c29c1a1b6b
The warning silenced was: avconv.c: In function ‘opt_output_file’: avconv.c:3380:21: warning: ‘meta_out’ may be used uninitialized in this function [-Wuninitialized] avconv.c:3315:20: note: ‘meta_out’ was declared here
5007 lines
177 KiB
C
5007 lines
177 KiB
C
/*
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* avconv main
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* Copyright (c) 2000-2011 The libav developers.
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "config.h"
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#include <ctype.h>
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#include <string.h>
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#include <math.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <signal.h>
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#include <limits.h>
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#include "libavformat/avformat.h"
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#include "libavdevice/avdevice.h"
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#include "libswscale/swscale.h"
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#include "libavresample/avresample.h"
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#include "libavutil/opt.h"
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#include "libavutil/audioconvert.h"
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#include "libavutil/parseutils.h"
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#include "libavutil/samplefmt.h"
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#include "libavutil/colorspace.h"
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#include "libavutil/fifo.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/dict.h"
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#include "libavutil/mathematics.h"
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#include "libavutil/pixdesc.h"
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#include "libavutil/avstring.h"
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#include "libavutil/libm.h"
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#include "libavutil/imgutils.h"
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#include "libavutil/time.h"
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#include "libavformat/os_support.h"
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# include "libavfilter/avfilter.h"
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# include "libavfilter/avfiltergraph.h"
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# include "libavfilter/buffersrc.h"
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# include "libavfilter/buffersink.h"
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#if HAVE_SYS_RESOURCE_H
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#include <sys/types.h>
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#include <sys/resource.h>
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#elif HAVE_GETPROCESSTIMES
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#include <windows.h>
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#endif
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#if HAVE_GETPROCESSMEMORYINFO
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#include <windows.h>
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#include <psapi.h>
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#endif
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#if HAVE_SYS_SELECT_H
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#include <sys/select.h>
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#endif
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#if HAVE_PTHREADS
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#include <pthread.h>
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#endif
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#include <time.h>
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#include "cmdutils.h"
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#include "libavutil/avassert.h"
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#define VSYNC_AUTO -1
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#define VSYNC_PASSTHROUGH 0
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#define VSYNC_CFR 1
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#define VSYNC_VFR 2
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const char program_name[] = "avconv";
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const int program_birth_year = 2000;
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/* select an input stream for an output stream */
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typedef struct StreamMap {
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int disabled; /** 1 is this mapping is disabled by a negative map */
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int file_index;
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int stream_index;
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int sync_file_index;
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int sync_stream_index;
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char *linklabel; /** name of an output link, for mapping lavfi outputs */
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} StreamMap;
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/**
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* select an input file for an output file
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*/
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typedef struct MetadataMap {
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int file; ///< file index
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char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
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int index; ///< stream/chapter/program number
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} MetadataMap;
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static const OptionDef options[];
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static int video_discard = 0;
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static int same_quant = 0;
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static int do_deinterlace = 0;
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static int intra_dc_precision = 8;
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static int qp_hist = 0;
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static int file_overwrite = 0;
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static int do_benchmark = 0;
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static int do_hex_dump = 0;
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static int do_pkt_dump = 0;
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static int do_pass = 0;
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static char *pass_logfilename_prefix = NULL;
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static int video_sync_method = VSYNC_AUTO;
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static int audio_sync_method = 0;
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static float audio_drift_threshold = 0.1;
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static int copy_ts = 0;
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static int copy_tb = 1;
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static int opt_shortest = 0;
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static char *vstats_filename;
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static FILE *vstats_file;
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static int audio_volume = 256;
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static int exit_on_error = 0;
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static int using_stdin = 0;
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static int64_t video_size = 0;
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static int64_t audio_size = 0;
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static int64_t extra_size = 0;
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static int nb_frames_dup = 0;
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static int nb_frames_drop = 0;
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static int input_sync;
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static float dts_delta_threshold = 10;
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static int print_stats = 1;
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#if HAVE_PTHREADS
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/* signal to input threads that they should exit; set by the main thread */
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static int transcoding_finished;
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#endif
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#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
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typedef struct InputFilter {
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AVFilterContext *filter;
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struct InputStream *ist;
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struct FilterGraph *graph;
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uint8_t *name;
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} InputFilter;
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typedef struct OutputFilter {
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AVFilterContext *filter;
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struct OutputStream *ost;
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struct FilterGraph *graph;
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uint8_t *name;
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/* temporary storage until stream maps are processed */
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AVFilterInOut *out_tmp;
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} OutputFilter;
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typedef struct FilterGraph {
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int index;
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const char *graph_desc;
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AVFilterGraph *graph;
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InputFilter **inputs;
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int nb_inputs;
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OutputFilter **outputs;
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int nb_outputs;
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} FilterGraph;
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typedef struct InputStream {
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int file_index;
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AVStream *st;
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int discard; /* true if stream data should be discarded */
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int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
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AVCodec *dec;
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AVFrame *decoded_frame;
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int64_t start; /* time when read started */
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/* predicted dts of the next packet read for this stream or (when there are
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* several frames in a packet) of the next frame in current packet */
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int64_t next_dts;
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/* dts of the last packet read for this stream */
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int64_t last_dts;
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PtsCorrectionContext pts_ctx;
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double ts_scale;
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int is_start; /* is 1 at the start and after a discontinuity */
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int showed_multi_packet_warning;
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AVDictionary *opts;
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AVRational framerate; /* framerate forced with -r */
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int resample_height;
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int resample_width;
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int resample_pix_fmt;
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int resample_sample_fmt;
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int resample_sample_rate;
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int resample_channels;
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uint64_t resample_channel_layout;
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/* a pool of free buffers for decoded data */
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FrameBuffer *buffer_pool;
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/* decoded data from this stream goes into all those filters
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* currently video and audio only */
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InputFilter **filters;
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int nb_filters;
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} InputStream;
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typedef struct InputFile {
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AVFormatContext *ctx;
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int eof_reached; /* true if eof reached */
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int ist_index; /* index of first stream in ist_table */
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int buffer_size; /* current total buffer size */
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int64_t ts_offset;
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int nb_streams; /* number of stream that avconv is aware of; may be different
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from ctx.nb_streams if new streams appear during av_read_frame() */
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int rate_emu;
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#if HAVE_PTHREADS
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pthread_t thread; /* thread reading from this file */
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int finished; /* the thread has exited */
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int joined; /* the thread has been joined */
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pthread_mutex_t fifo_lock; /* lock for access to fifo */
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pthread_cond_t fifo_cond; /* the main thread will signal on this cond after reading from fifo */
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AVFifoBuffer *fifo; /* demuxed packets are stored here; freed by the main thread */
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#endif
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} InputFile;
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typedef struct OutputStream {
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int file_index; /* file index */
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int index; /* stream index in the output file */
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int source_index; /* InputStream index */
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AVStream *st; /* stream in the output file */
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int encoding_needed; /* true if encoding needed for this stream */
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int frame_number;
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/* input pts and corresponding output pts
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for A/V sync */
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// double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
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struct InputStream *sync_ist; /* input stream to sync against */
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int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
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/* pts of the first frame encoded for this stream, used for limiting
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* recording time */
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int64_t first_pts;
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AVBitStreamFilterContext *bitstream_filters;
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AVCodec *enc;
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int64_t max_frames;
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AVFrame *filtered_frame;
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/* video only */
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AVRational frame_rate;
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int force_fps;
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int top_field_first;
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float frame_aspect_ratio;
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float last_quality;
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/* forced key frames */
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int64_t *forced_kf_pts;
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int forced_kf_count;
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int forced_kf_index;
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char *forced_keyframes;
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FILE *logfile;
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OutputFilter *filter;
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char *avfilter;
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int64_t sws_flags;
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AVDictionary *opts;
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int is_past_recording_time;
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int stream_copy;
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const char *attachment_filename;
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int copy_initial_nonkeyframes;
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enum PixelFormat pix_fmts[2];
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} OutputStream;
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typedef struct OutputFile {
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AVFormatContext *ctx;
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AVDictionary *opts;
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int ost_index; /* index of the first stream in output_streams */
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int64_t recording_time; /* desired length of the resulting file in microseconds */
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int64_t start_time; /* start time in microseconds */
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uint64_t limit_filesize;
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} OutputFile;
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static InputStream **input_streams = NULL;
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static int nb_input_streams = 0;
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static InputFile **input_files = NULL;
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static int nb_input_files = 0;
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static OutputStream **output_streams = NULL;
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static int nb_output_streams = 0;
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static OutputFile **output_files = NULL;
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static int nb_output_files = 0;
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static FilterGraph **filtergraphs;
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int nb_filtergraphs;
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typedef struct OptionsContext {
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/* input/output options */
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int64_t start_time;
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const char *format;
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SpecifierOpt *codec_names;
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int nb_codec_names;
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SpecifierOpt *audio_channels;
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int nb_audio_channels;
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SpecifierOpt *audio_sample_rate;
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int nb_audio_sample_rate;
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SpecifierOpt *frame_rates;
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int nb_frame_rates;
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SpecifierOpt *frame_sizes;
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int nb_frame_sizes;
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SpecifierOpt *frame_pix_fmts;
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int nb_frame_pix_fmts;
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/* input options */
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int64_t input_ts_offset;
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int rate_emu;
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SpecifierOpt *ts_scale;
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int nb_ts_scale;
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SpecifierOpt *dump_attachment;
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int nb_dump_attachment;
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/* output options */
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StreamMap *stream_maps;
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int nb_stream_maps;
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/* first item specifies output metadata, second is input */
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MetadataMap (*meta_data_maps)[2];
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int nb_meta_data_maps;
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int metadata_global_manual;
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int metadata_streams_manual;
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int metadata_chapters_manual;
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const char **attachments;
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int nb_attachments;
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int chapters_input_file;
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int64_t recording_time;
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uint64_t limit_filesize;
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float mux_preload;
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float mux_max_delay;
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int video_disable;
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int audio_disable;
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int subtitle_disable;
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int data_disable;
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/* indexed by output file stream index */
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int *streamid_map;
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int nb_streamid_map;
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SpecifierOpt *metadata;
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int nb_metadata;
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SpecifierOpt *max_frames;
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int nb_max_frames;
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SpecifierOpt *bitstream_filters;
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int nb_bitstream_filters;
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SpecifierOpt *codec_tags;
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int nb_codec_tags;
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SpecifierOpt *sample_fmts;
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int nb_sample_fmts;
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SpecifierOpt *qscale;
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int nb_qscale;
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SpecifierOpt *forced_key_frames;
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int nb_forced_key_frames;
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SpecifierOpt *force_fps;
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int nb_force_fps;
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SpecifierOpt *frame_aspect_ratios;
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int nb_frame_aspect_ratios;
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SpecifierOpt *rc_overrides;
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int nb_rc_overrides;
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SpecifierOpt *intra_matrices;
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int nb_intra_matrices;
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SpecifierOpt *inter_matrices;
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int nb_inter_matrices;
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SpecifierOpt *top_field_first;
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int nb_top_field_first;
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SpecifierOpt *metadata_map;
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int nb_metadata_map;
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SpecifierOpt *presets;
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int nb_presets;
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SpecifierOpt *copy_initial_nonkeyframes;
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int nb_copy_initial_nonkeyframes;
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SpecifierOpt *filters;
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int nb_filters;
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} OptionsContext;
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#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
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{\
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int i, ret;\
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for (i = 0; i < o->nb_ ## name; i++) {\
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char *spec = o->name[i].specifier;\
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if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
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outvar = o->name[i].u.type;\
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else if (ret < 0)\
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exit_program(1);\
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}\
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}
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static void reset_options(OptionsContext *o)
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{
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const OptionDef *po = options;
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int i;
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/* all OPT_SPEC and OPT_STRING can be freed in generic way */
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while (po->name) {
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void *dst = (uint8_t*)o + po->u.off;
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if (po->flags & OPT_SPEC) {
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SpecifierOpt **so = dst;
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int i, *count = (int*)(so + 1);
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for (i = 0; i < *count; i++) {
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av_freep(&(*so)[i].specifier);
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if (po->flags & OPT_STRING)
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av_freep(&(*so)[i].u.str);
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}
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av_freep(so);
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*count = 0;
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} else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
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av_freep(dst);
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po++;
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}
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for (i = 0; i < o->nb_stream_maps; i++)
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av_freep(&o->stream_maps[i].linklabel);
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av_freep(&o->stream_maps);
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av_freep(&o->meta_data_maps);
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av_freep(&o->streamid_map);
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memset(o, 0, sizeof(*o));
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o->mux_max_delay = 0.7;
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o->recording_time = INT64_MAX;
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o->limit_filesize = UINT64_MAX;
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o->chapters_input_file = INT_MAX;
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uninit_opts();
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init_opts();
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}
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|
|
/**
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* Define a function for building a string containing a list of
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* allowed formats,
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*/
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#define DEF_CHOOSE_FORMAT(type, var, supported_list, none, get_name, separator) \
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static char *choose_ ## var ## s(OutputStream *ost) \
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{ \
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if (ost->st->codec->var != none) { \
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get_name(ost->st->codec->var); \
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return av_strdup(name); \
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} else if (ost->enc->supported_list) { \
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const type *p; \
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AVIOContext *s = NULL; \
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uint8_t *ret; \
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int len; \
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\
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if (avio_open_dyn_buf(&s) < 0) \
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exit_program(1); \
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\
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for (p = ost->enc->supported_list; *p != none; p++) { \
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get_name(*p); \
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avio_printf(s, "%s" separator, name); \
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} \
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len = avio_close_dyn_buf(s, &ret); \
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ret[len - 1] = 0; \
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return ret; \
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} else \
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return NULL; \
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}
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|
|
#define GET_PIX_FMT_NAME(pix_fmt)\
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const char *name = av_get_pix_fmt_name(pix_fmt);
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|
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DEF_CHOOSE_FORMAT(enum PixelFormat, pix_fmt, pix_fmts, PIX_FMT_NONE,
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GET_PIX_FMT_NAME, ":")
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|
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#define GET_SAMPLE_FMT_NAME(sample_fmt)\
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const char *name = av_get_sample_fmt_name(sample_fmt)
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|
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DEF_CHOOSE_FORMAT(enum AVSampleFormat, sample_fmt, sample_fmts,
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AV_SAMPLE_FMT_NONE, GET_SAMPLE_FMT_NAME, ",")
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|
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#define GET_SAMPLE_RATE_NAME(rate)\
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char name[16];\
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snprintf(name, sizeof(name), "%d", rate);
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|
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DEF_CHOOSE_FORMAT(int, sample_rate, supported_samplerates, 0,
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GET_SAMPLE_RATE_NAME, ",")
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|
|
#define GET_CH_LAYOUT_NAME(ch_layout)\
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char name[16];\
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snprintf(name, sizeof(name), "0x%"PRIx64, ch_layout);
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|
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DEF_CHOOSE_FORMAT(uint64_t, channel_layout, channel_layouts, 0,
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GET_CH_LAYOUT_NAME, ",")
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|
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static FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost)
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|
{
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FilterGraph *fg = av_mallocz(sizeof(*fg));
|
|
|
|
if (!fg)
|
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exit_program(1);
|
|
fg->index = nb_filtergraphs;
|
|
|
|
fg->outputs = grow_array(fg->outputs, sizeof(*fg->outputs), &fg->nb_outputs,
|
|
fg->nb_outputs + 1);
|
|
if (!(fg->outputs[0] = av_mallocz(sizeof(*fg->outputs[0]))))
|
|
exit_program(1);
|
|
fg->outputs[0]->ost = ost;
|
|
fg->outputs[0]->graph = fg;
|
|
|
|
ost->filter = fg->outputs[0];
|
|
|
|
fg->inputs = grow_array(fg->inputs, sizeof(*fg->inputs), &fg->nb_inputs,
|
|
fg->nb_inputs + 1);
|
|
if (!(fg->inputs[0] = av_mallocz(sizeof(*fg->inputs[0]))))
|
|
exit_program(1);
|
|
fg->inputs[0]->ist = ist;
|
|
fg->inputs[0]->graph = fg;
|
|
|
|
ist->filters = grow_array(ist->filters, sizeof(*ist->filters),
|
|
&ist->nb_filters, ist->nb_filters + 1);
|
|
ist->filters[ist->nb_filters - 1] = fg->inputs[0];
|
|
|
|
filtergraphs = grow_array(filtergraphs, sizeof(*filtergraphs),
|
|
&nb_filtergraphs, nb_filtergraphs + 1);
|
|
filtergraphs[nb_filtergraphs - 1] = fg;
|
|
|
|
return fg;
|
|
}
|
|
|
|
static void init_input_filter(FilterGraph *fg, AVFilterInOut *in)
|
|
{
|
|
InputStream *ist = NULL;
|
|
enum AVMediaType type = avfilter_pad_get_type(in->filter_ctx->input_pads, in->pad_idx);
|
|
int i;
|
|
|
|
// TODO: support other filter types
|
|
if (type != AVMEDIA_TYPE_VIDEO && type != AVMEDIA_TYPE_AUDIO) {
|
|
av_log(NULL, AV_LOG_FATAL, "Only video and audio filters supported "
|
|
"currently.\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
if (in->name) {
|
|
AVFormatContext *s;
|
|
AVStream *st = NULL;
|
|
char *p;
|
|
int file_idx = strtol(in->name, &p, 0);
|
|
|
|
if (file_idx < 0 || file_idx >= nb_input_files) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid file index %d in filtegraph description %s.\n",
|
|
file_idx, fg->graph_desc);
|
|
exit_program(1);
|
|
}
|
|
s = input_files[file_idx]->ctx;
|
|
|
|
for (i = 0; i < s->nb_streams; i++) {
|
|
if (s->streams[i]->codec->codec_type != type)
|
|
continue;
|
|
if (check_stream_specifier(s, s->streams[i], *p == ':' ? p + 1 : p) == 1) {
|
|
st = s->streams[i];
|
|
break;
|
|
}
|
|
}
|
|
if (!st) {
|
|
av_log(NULL, AV_LOG_FATAL, "Stream specifier '%s' in filtergraph description %s "
|
|
"matches no streams.\n", p, fg->graph_desc);
|
|
exit_program(1);
|
|
}
|
|
ist = input_streams[input_files[file_idx]->ist_index + st->index];
|
|
} else {
|
|
/* find the first unused stream of corresponding type */
|
|
for (i = 0; i < nb_input_streams; i++) {
|
|
ist = input_streams[i];
|
|
if (ist->st->codec->codec_type == type && ist->discard)
|
|
break;
|
|
}
|
|
if (i == nb_input_streams) {
|
|
av_log(NULL, AV_LOG_FATAL, "Cannot find a matching stream for "
|
|
"unlabeled input pad %d on filter %s", in->pad_idx,
|
|
in->filter_ctx->name);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
av_assert0(ist);
|
|
|
|
ist->discard = 0;
|
|
ist->decoding_needed = 1;
|
|
ist->st->discard = AVDISCARD_NONE;
|
|
|
|
fg->inputs = grow_array(fg->inputs, sizeof(*fg->inputs),
|
|
&fg->nb_inputs, fg->nb_inputs + 1);
|
|
if (!(fg->inputs[fg->nb_inputs - 1] = av_mallocz(sizeof(*fg->inputs[0]))))
|
|
exit_program(1);
|
|
fg->inputs[fg->nb_inputs - 1]->ist = ist;
|
|
fg->inputs[fg->nb_inputs - 1]->graph = fg;
|
|
|
|
ist->filters = grow_array(ist->filters, sizeof(*ist->filters),
|
|
&ist->nb_filters, ist->nb_filters + 1);
|
|
ist->filters[ist->nb_filters - 1] = fg->inputs[fg->nb_inputs - 1];
|
|
}
|
|
|
|
static int configure_output_video_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
|
|
{
|
|
char *pix_fmts;
|
|
OutputStream *ost = ofilter->ost;
|
|
AVCodecContext *codec = ost->st->codec;
|
|
AVFilterContext *last_filter = out->filter_ctx;
|
|
int pad_idx = out->pad_idx;
|
|
int ret;
|
|
char name[255];
|
|
|
|
snprintf(name, sizeof(name), "output stream %d:%d", ost->file_index, ost->index);
|
|
ret = avfilter_graph_create_filter(&ofilter->filter,
|
|
avfilter_get_by_name("buffersink"),
|
|
name, NULL, pix_fmts, fg->graph);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (codec->width || codec->height) {
|
|
char args[255];
|
|
AVFilterContext *filter;
|
|
|
|
snprintf(args, sizeof(args), "%d:%d:flags=0x%X",
|
|
codec->width,
|
|
codec->height,
|
|
(unsigned)ost->sws_flags);
|
|
snprintf(name, sizeof(name), "scaler for output stream %d:%d",
|
|
ost->file_index, ost->index);
|
|
if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
|
|
name, args, NULL, fg->graph)) < 0)
|
|
return ret;
|
|
if ((ret = avfilter_link(last_filter, pad_idx, filter, 0)) < 0)
|
|
return ret;
|
|
|
|
last_filter = filter;
|
|
pad_idx = 0;
|
|
}
|
|
|
|
if ((pix_fmts = choose_pix_fmts(ost))) {
|
|
AVFilterContext *filter;
|
|
snprintf(name, sizeof(name), "pixel format for output stream %d:%d",
|
|
ost->file_index, ost->index);
|
|
if ((ret = avfilter_graph_create_filter(&filter,
|
|
avfilter_get_by_name("format"),
|
|
"format", pix_fmts, NULL,
|
|
fg->graph)) < 0)
|
|
return ret;
|
|
if ((ret = avfilter_link(last_filter, pad_idx, filter, 0)) < 0)
|
|
return ret;
|
|
|
|
last_filter = filter;
|
|
pad_idx = 0;
|
|
av_freep(&pix_fmts);
|
|
}
|
|
|
|
if (ost->frame_rate.num) {
|
|
AVFilterContext *fps;
|
|
char args[255];
|
|
|
|
snprintf(args, sizeof(args), "fps=%d/%d", ost->frame_rate.num,
|
|
ost->frame_rate.den);
|
|
snprintf(name, sizeof(name), "fps for output stream %d:%d",
|
|
ost->file_index, ost->index);
|
|
ret = avfilter_graph_create_filter(&fps, avfilter_get_by_name("fps"),
|
|
name, args, NULL, fg->graph);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = avfilter_link(last_filter, pad_idx, fps, 0);
|
|
if (ret < 0)
|
|
return ret;
|
|
last_filter = fps;
|
|
pad_idx = 0;
|
|
}
|
|
|
|
if ((ret = avfilter_link(last_filter, pad_idx, ofilter->filter, 0)) < 0)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int configure_output_audio_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
|
|
{
|
|
OutputStream *ost = ofilter->ost;
|
|
AVCodecContext *codec = ost->st->codec;
|
|
AVFilterContext *last_filter = out->filter_ctx;
|
|
int pad_idx = out->pad_idx;
|
|
char *sample_fmts, *sample_rates, *channel_layouts;
|
|
char name[255];
|
|
int ret;
|
|
|
|
|
|
snprintf(name, sizeof(name), "output stream %d:%d", ost->file_index, ost->index);
|
|
ret = avfilter_graph_create_filter(&ofilter->filter,
|
|
avfilter_get_by_name("abuffersink"),
|
|
name, NULL, NULL, fg->graph);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (codec->channels && !codec->channel_layout)
|
|
codec->channel_layout = av_get_default_channel_layout(codec->channels);
|
|
|
|
sample_fmts = choose_sample_fmts(ost);
|
|
sample_rates = choose_sample_rates(ost);
|
|
channel_layouts = choose_channel_layouts(ost);
|
|
if (sample_fmts || sample_rates || channel_layouts) {
|
|
AVFilterContext *format;
|
|
char args[256];
|
|
int len = 0;
|
|
|
|
if (sample_fmts)
|
|
len += snprintf(args + len, sizeof(args) - len, "sample_fmts=%s:",
|
|
sample_fmts);
|
|
if (sample_rates)
|
|
len += snprintf(args + len, sizeof(args) - len, "sample_rates=%s:",
|
|
sample_rates);
|
|
if (channel_layouts)
|
|
len += snprintf(args + len, sizeof(args) - len, "channel_layouts=%s:",
|
|
channel_layouts);
|
|
args[len - 1] = 0;
|
|
|
|
av_freep(&sample_fmts);
|
|
av_freep(&sample_rates);
|
|
av_freep(&channel_layouts);
|
|
|
|
snprintf(name, sizeof(name), "audio format for output stream %d:%d",
|
|
ost->file_index, ost->index);
|
|
ret = avfilter_graph_create_filter(&format,
|
|
avfilter_get_by_name("aformat"),
|
|
name, args, NULL, fg->graph);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = avfilter_link(last_filter, pad_idx, format, 0);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
last_filter = format;
|
|
pad_idx = 0;
|
|
}
|
|
|
|
if ((ret = avfilter_link(last_filter, pad_idx, ofilter->filter, 0)) < 0)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define DESCRIBE_FILTER_LINK(f, inout, in) \
|
|
{ \
|
|
AVFilterContext *ctx = inout->filter_ctx; \
|
|
AVFilterPad *pads = in ? ctx->input_pads : ctx->output_pads; \
|
|
int nb_pads = in ? ctx->input_count : ctx->output_count; \
|
|
AVIOContext *pb; \
|
|
\
|
|
if (avio_open_dyn_buf(&pb) < 0) \
|
|
exit_program(1); \
|
|
\
|
|
avio_printf(pb, "%s", ctx->filter->name); \
|
|
if (nb_pads > 1) \
|
|
avio_printf(pb, ":%s", avfilter_pad_get_name(pads, inout->pad_idx));\
|
|
avio_w8(pb, 0); \
|
|
avio_close_dyn_buf(pb, &f->name); \
|
|
}
|
|
|
|
static int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
|
|
{
|
|
av_freep(&ofilter->name);
|
|
DESCRIBE_FILTER_LINK(ofilter, out, 0);
|
|
|
|
switch (avfilter_pad_get_type(out->filter_ctx->output_pads, out->pad_idx)) {
|
|
case AVMEDIA_TYPE_VIDEO: return configure_output_video_filter(fg, ofilter, out);
|
|
case AVMEDIA_TYPE_AUDIO: return configure_output_audio_filter(fg, ofilter, out);
|
|
default: av_assert0(0);
|
|
}
|
|
}
|
|
|
|
static int configure_input_video_filter(FilterGraph *fg, InputFilter *ifilter,
|
|
AVFilterInOut *in)
|
|
{
|
|
AVFilterContext *first_filter = in->filter_ctx;
|
|
AVFilter *filter = avfilter_get_by_name("buffer");
|
|
InputStream *ist = ifilter->ist;
|
|
AVRational tb = ist->framerate.num ? (AVRational){ist->framerate.den,
|
|
ist->framerate.num} :
|
|
ist->st->time_base;
|
|
AVRational sar;
|
|
char args[255], name[255];
|
|
int pad_idx = in->pad_idx;
|
|
int ret;
|
|
|
|
sar = ist->st->sample_aspect_ratio.num ?
|
|
ist->st->sample_aspect_ratio :
|
|
ist->st->codec->sample_aspect_ratio;
|
|
snprintf(args, sizeof(args), "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
|
|
ist->st->codec->height, ist->st->codec->pix_fmt,
|
|
tb.num, tb.den, sar.num, sar.den);
|
|
snprintf(name, sizeof(name), "graph %d input from stream %d:%d", fg->index,
|
|
ist->file_index, ist->st->index);
|
|
|
|
if ((ret = avfilter_graph_create_filter(&ifilter->filter, filter, name,
|
|
args, NULL, fg->graph)) < 0)
|
|
return ret;
|
|
|
|
if (ist->framerate.num) {
|
|
AVFilterContext *setpts;
|
|
|
|
snprintf(name, sizeof(name), "force CFR for input from stream %d:%d",
|
|
ist->file_index, ist->st->index);
|
|
if ((ret = avfilter_graph_create_filter(&setpts,
|
|
avfilter_get_by_name("setpts"),
|
|
name, "N", NULL,
|
|
fg->graph)) < 0)
|
|
return ret;
|
|
|
|
if ((ret = avfilter_link(setpts, 0, first_filter, pad_idx)) < 0)
|
|
return ret;
|
|
|
|
first_filter = setpts;
|
|
pad_idx = 0;
|
|
}
|
|
|
|
if ((ret = avfilter_link(ifilter->filter, 0, first_filter, pad_idx)) < 0)
|
|
return ret;
|
|
return 0;
|
|
}
|
|
|
|
static int configure_input_audio_filter(FilterGraph *fg, InputFilter *ifilter,
|
|
AVFilterInOut *in)
|
|
{
|
|
AVFilterContext *first_filter = in->filter_ctx;
|
|
AVFilter *filter = avfilter_get_by_name("abuffer");
|
|
InputStream *ist = ifilter->ist;
|
|
int pad_idx = in->pad_idx;
|
|
char args[255], name[255];
|
|
int ret;
|
|
|
|
snprintf(args, sizeof(args), "time_base=%d/%d:sample_rate=%d:sample_fmt=%s"
|
|
":channel_layout=0x%"PRIx64,
|
|
ist->st->time_base.num, ist->st->time_base.den,
|
|
ist->st->codec->sample_rate,
|
|
av_get_sample_fmt_name(ist->st->codec->sample_fmt),
|
|
ist->st->codec->channel_layout);
|
|
snprintf(name, sizeof(name), "graph %d input from stream %d:%d", fg->index,
|
|
ist->file_index, ist->st->index);
|
|
|
|
if ((ret = avfilter_graph_create_filter(&ifilter->filter, filter,
|
|
name, args, NULL,
|
|
fg->graph)) < 0)
|
|
return ret;
|
|
|
|
if (audio_sync_method > 0) {
|
|
AVFilterContext *async;
|
|
char args[256];
|
|
int len = 0;
|
|
|
|
av_log(NULL, AV_LOG_WARNING, "-async has been deprecated. Used the "
|
|
"asyncts audio filter instead.\n");
|
|
|
|
if (audio_sync_method > 1)
|
|
len += snprintf(args + len, sizeof(args) - len, "compensate=1:"
|
|
"max_comp=%d:", audio_sync_method);
|
|
snprintf(args + len, sizeof(args) - len, "min_delta=%f",
|
|
audio_drift_threshold);
|
|
|
|
snprintf(name, sizeof(name), "graph %d audio sync for input stream %d:%d",
|
|
fg->index, ist->file_index, ist->st->index);
|
|
ret = avfilter_graph_create_filter(&async,
|
|
avfilter_get_by_name("asyncts"),
|
|
name, args, NULL, fg->graph);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = avfilter_link(async, 0, first_filter, pad_idx);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
first_filter = async;
|
|
pad_idx = 0;
|
|
}
|
|
if ((ret = avfilter_link(ifilter->filter, 0, first_filter, pad_idx)) < 0)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int configure_input_filter(FilterGraph *fg, InputFilter *ifilter,
|
|
AVFilterInOut *in)
|
|
{
|
|
av_freep(&ifilter->name);
|
|
DESCRIBE_FILTER_LINK(ifilter, in, 1);
|
|
|
|
switch (avfilter_pad_get_type(in->filter_ctx->input_pads, in->pad_idx)) {
|
|
case AVMEDIA_TYPE_VIDEO: return configure_input_video_filter(fg, ifilter, in);
|
|
case AVMEDIA_TYPE_AUDIO: return configure_input_audio_filter(fg, ifilter, in);
|
|
default: av_assert0(0);
|
|
}
|
|
}
|
|
|
|
static int configure_filtergraph(FilterGraph *fg)
|
|
{
|
|
AVFilterInOut *inputs, *outputs, *cur;
|
|
int ret, i, init = !fg->graph, simple = !fg->graph_desc;
|
|
const char *graph_desc = simple ? fg->outputs[0]->ost->avfilter :
|
|
fg->graph_desc;
|
|
|
|
avfilter_graph_free(&fg->graph);
|
|
if (!(fg->graph = avfilter_graph_alloc()))
|
|
return AVERROR(ENOMEM);
|
|
|
|
if (simple) {
|
|
OutputStream *ost = fg->outputs[0]->ost;
|
|
char args[255];
|
|
snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
|
|
fg->graph->scale_sws_opts = av_strdup(args);
|
|
}
|
|
|
|
if ((ret = avfilter_graph_parse2(fg->graph, graph_desc, &inputs, &outputs)) < 0)
|
|
return ret;
|
|
|
|
if (simple && (!inputs || inputs->next || !outputs || outputs->next)) {
|
|
av_log(NULL, AV_LOG_ERROR, "Simple filtergraph '%s' does not have "
|
|
"exactly one input and output.\n", graph_desc);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
for (cur = inputs; !simple && init && cur; cur = cur->next)
|
|
init_input_filter(fg, cur);
|
|
|
|
for (cur = inputs, i = 0; cur; cur = cur->next, i++)
|
|
if ((ret = configure_input_filter(fg, fg->inputs[i], cur)) < 0)
|
|
return ret;
|
|
avfilter_inout_free(&inputs);
|
|
|
|
if (!init || simple) {
|
|
/* we already know the mappings between lavfi outputs and output streams,
|
|
* so we can finish the setup */
|
|
for (cur = outputs, i = 0; cur; cur = cur->next, i++)
|
|
configure_output_filter(fg, fg->outputs[i], cur);
|
|
avfilter_inout_free(&outputs);
|
|
|
|
if ((ret = avfilter_graph_config(fg->graph, NULL)) < 0)
|
|
return ret;
|
|
} else {
|
|
/* wait until output mappings are processed */
|
|
for (cur = outputs; cur;) {
|
|
fg->outputs = grow_array(fg->outputs, sizeof(*fg->outputs),
|
|
&fg->nb_outputs, fg->nb_outputs + 1);
|
|
if (!(fg->outputs[fg->nb_outputs - 1] = av_mallocz(sizeof(*fg->outputs[0]))))
|
|
exit_program(1);
|
|
fg->outputs[fg->nb_outputs - 1]->graph = fg;
|
|
fg->outputs[fg->nb_outputs - 1]->out_tmp = cur;
|
|
cur = cur->next;
|
|
fg->outputs[fg->nb_outputs - 1]->out_tmp->next = NULL;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int configure_complex_filters(void)
|
|
{
|
|
int i, ret = 0;
|
|
|
|
for (i = 0; i < nb_filtergraphs; i++)
|
|
if (!filtergraphs[i]->graph &&
|
|
(ret = configure_filtergraph(filtergraphs[i])) < 0)
|
|
return ret;
|
|
return 0;
|
|
}
|
|
|
|
static int ist_in_filtergraph(FilterGraph *fg, InputStream *ist)
|
|
{
|
|
int i;
|
|
for (i = 0; i < fg->nb_inputs; i++)
|
|
if (fg->inputs[i]->ist == ist)
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
static void term_exit(void)
|
|
{
|
|
av_log(NULL, AV_LOG_QUIET, "");
|
|
}
|
|
|
|
static volatile int received_sigterm = 0;
|
|
static volatile int received_nb_signals = 0;
|
|
|
|
static void
|
|
sigterm_handler(int sig)
|
|
{
|
|
received_sigterm = sig;
|
|
received_nb_signals++;
|
|
term_exit();
|
|
}
|
|
|
|
static void term_init(void)
|
|
{
|
|
signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
|
|
signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
|
|
#ifdef SIGXCPU
|
|
signal(SIGXCPU, sigterm_handler);
|
|
#endif
|
|
}
|
|
|
|
static int decode_interrupt_cb(void *ctx)
|
|
{
|
|
return received_nb_signals > 1;
|
|
}
|
|
|
|
static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
|
|
|
|
void exit_program(int ret)
|
|
{
|
|
int i, j;
|
|
|
|
for (i = 0; i < nb_filtergraphs; i++) {
|
|
avfilter_graph_free(&filtergraphs[i]->graph);
|
|
for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
|
|
av_freep(&filtergraphs[i]->inputs[j]->name);
|
|
av_freep(&filtergraphs[i]->inputs[j]);
|
|
}
|
|
av_freep(&filtergraphs[i]->inputs);
|
|
for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
|
|
av_freep(&filtergraphs[i]->outputs[j]->name);
|
|
av_freep(&filtergraphs[i]->outputs[j]);
|
|
}
|
|
av_freep(&filtergraphs[i]->outputs);
|
|
av_freep(&filtergraphs[i]);
|
|
}
|
|
av_freep(&filtergraphs);
|
|
|
|
/* close files */
|
|
for (i = 0; i < nb_output_files; i++) {
|
|
AVFormatContext *s = output_files[i]->ctx;
|
|
if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
|
|
avio_close(s->pb);
|
|
avformat_free_context(s);
|
|
av_dict_free(&output_files[i]->opts);
|
|
av_freep(&output_files[i]);
|
|
}
|
|
for (i = 0; i < nb_output_streams; i++) {
|
|
AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
|
|
while (bsfc) {
|
|
AVBitStreamFilterContext *next = bsfc->next;
|
|
av_bitstream_filter_close(bsfc);
|
|
bsfc = next;
|
|
}
|
|
output_streams[i]->bitstream_filters = NULL;
|
|
|
|
av_freep(&output_streams[i]->forced_keyframes);
|
|
av_freep(&output_streams[i]->avfilter);
|
|
av_freep(&output_streams[i]->filtered_frame);
|
|
av_freep(&output_streams[i]);
|
|
}
|
|
for (i = 0; i < nb_input_files; i++) {
|
|
avformat_close_input(&input_files[i]->ctx);
|
|
av_freep(&input_files[i]);
|
|
}
|
|
for (i = 0; i < nb_input_streams; i++) {
|
|
av_freep(&input_streams[i]->decoded_frame);
|
|
av_dict_free(&input_streams[i]->opts);
|
|
free_buffer_pool(&input_streams[i]->buffer_pool);
|
|
av_freep(&input_streams[i]->filters);
|
|
av_freep(&input_streams[i]);
|
|
}
|
|
|
|
if (vstats_file)
|
|
fclose(vstats_file);
|
|
av_free(vstats_filename);
|
|
|
|
av_freep(&input_streams);
|
|
av_freep(&input_files);
|
|
av_freep(&output_streams);
|
|
av_freep(&output_files);
|
|
|
|
uninit_opts();
|
|
|
|
avfilter_uninit();
|
|
avformat_network_deinit();
|
|
|
|
if (received_sigterm) {
|
|
av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
|
|
(int) received_sigterm);
|
|
exit (255);
|
|
}
|
|
|
|
exit(ret);
|
|
}
|
|
|
|
static void assert_avoptions(AVDictionary *m)
|
|
{
|
|
AVDictionaryEntry *t;
|
|
if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
|
|
av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
static void assert_codec_experimental(AVCodecContext *c, int encoder)
|
|
{
|
|
const char *codec_string = encoder ? "encoder" : "decoder";
|
|
AVCodec *codec;
|
|
if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
|
|
c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
|
|
av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
|
|
"results.\nAdd '-strict experimental' if you want to use it.\n",
|
|
codec_string, c->codec->name);
|
|
codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
|
|
if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
|
|
av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
|
|
codec_string, codec->name);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Update the requested input sample format based on the output sample format.
|
|
* This is currently only used to request float output from decoders which
|
|
* support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
|
|
* Ideally this will be removed in the future when decoders do not do format
|
|
* conversion and only output in their native format.
|
|
*/
|
|
static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
|
|
AVCodecContext *enc)
|
|
{
|
|
/* if sample formats match or a decoder sample format has already been
|
|
requested, just return */
|
|
if (enc->sample_fmt == dec->sample_fmt ||
|
|
dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
|
|
return;
|
|
|
|
/* if decoder supports more than one output format */
|
|
if (dec_codec && dec_codec->sample_fmts &&
|
|
dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
|
|
dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
|
|
const enum AVSampleFormat *p;
|
|
int min_dec = -1, min_inc = -1;
|
|
|
|
/* find a matching sample format in the encoder */
|
|
for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
|
|
if (*p == enc->sample_fmt) {
|
|
dec->request_sample_fmt = *p;
|
|
return;
|
|
} else if (*p > enc->sample_fmt) {
|
|
min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
|
|
} else
|
|
min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
|
|
}
|
|
|
|
/* if none match, provide the one that matches quality closest */
|
|
dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
|
|
enc->sample_fmt - min_dec;
|
|
}
|
|
}
|
|
|
|
static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
|
|
{
|
|
AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
|
|
AVCodecContext *avctx = ost->st->codec;
|
|
int ret;
|
|
|
|
/*
|
|
* Audio encoders may split the packets -- #frames in != #packets out.
|
|
* But there is no reordering, so we can limit the number of output packets
|
|
* by simply dropping them here.
|
|
* Counting encoded video frames needs to be done separately because of
|
|
* reordering, see do_video_out()
|
|
*/
|
|
if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
|
|
if (ost->frame_number >= ost->max_frames) {
|
|
av_free_packet(pkt);
|
|
return;
|
|
}
|
|
ost->frame_number++;
|
|
}
|
|
|
|
while (bsfc) {
|
|
AVPacket new_pkt = *pkt;
|
|
int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
|
|
&new_pkt.data, &new_pkt.size,
|
|
pkt->data, pkt->size,
|
|
pkt->flags & AV_PKT_FLAG_KEY);
|
|
if (a > 0) {
|
|
av_free_packet(pkt);
|
|
new_pkt.destruct = av_destruct_packet;
|
|
} else if (a < 0) {
|
|
av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
|
|
bsfc->filter->name, pkt->stream_index,
|
|
avctx->codec ? avctx->codec->name : "copy");
|
|
print_error("", a);
|
|
if (exit_on_error)
|
|
exit_program(1);
|
|
}
|
|
*pkt = new_pkt;
|
|
|
|
bsfc = bsfc->next;
|
|
}
|
|
|
|
pkt->stream_index = ost->index;
|
|
ret = av_interleaved_write_frame(s, pkt);
|
|
if (ret < 0) {
|
|
print_error("av_interleaved_write_frame()", ret);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
static int check_recording_time(OutputStream *ost)
|
|
{
|
|
OutputFile *of = output_files[ost->file_index];
|
|
|
|
if (of->recording_time != INT64_MAX &&
|
|
av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
|
|
AV_TIME_BASE_Q) >= 0) {
|
|
ost->is_past_recording_time = 1;
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static void do_audio_out(AVFormatContext *s, OutputStream *ost,
|
|
AVFrame *frame)
|
|
{
|
|
AVCodecContext *enc = ost->st->codec;
|
|
AVPacket pkt;
|
|
int got_packet = 0;
|
|
|
|
av_init_packet(&pkt);
|
|
pkt.data = NULL;
|
|
pkt.size = 0;
|
|
|
|
if (!check_recording_time(ost))
|
|
return;
|
|
|
|
if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
|
|
frame->pts = ost->sync_opts;
|
|
ost->sync_opts = frame->pts + frame->nb_samples;
|
|
|
|
if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
if (got_packet) {
|
|
if (pkt.pts != AV_NOPTS_VALUE)
|
|
pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
|
|
if (pkt.dts != AV_NOPTS_VALUE)
|
|
pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
|
|
if (pkt.duration > 0)
|
|
pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
|
|
|
|
write_frame(s, &pkt, ost);
|
|
|
|
audio_size += pkt.size;
|
|
}
|
|
}
|
|
|
|
static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
|
|
{
|
|
AVCodecContext *dec;
|
|
AVPicture *picture2;
|
|
AVPicture picture_tmp;
|
|
uint8_t *buf = 0;
|
|
|
|
dec = ist->st->codec;
|
|
|
|
/* deinterlace : must be done before any resize */
|
|
if (do_deinterlace) {
|
|
int size;
|
|
|
|
/* create temporary picture */
|
|
size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
|
|
buf = av_malloc(size);
|
|
if (!buf)
|
|
return;
|
|
|
|
picture2 = &picture_tmp;
|
|
avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
|
|
|
|
if (avpicture_deinterlace(picture2, picture,
|
|
dec->pix_fmt, dec->width, dec->height) < 0) {
|
|
/* if error, do not deinterlace */
|
|
av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
|
|
av_free(buf);
|
|
buf = NULL;
|
|
picture2 = picture;
|
|
}
|
|
} else {
|
|
picture2 = picture;
|
|
}
|
|
|
|
if (picture != picture2)
|
|
*picture = *picture2;
|
|
*bufp = buf;
|
|
}
|
|
|
|
static void do_subtitle_out(AVFormatContext *s,
|
|
OutputStream *ost,
|
|
InputStream *ist,
|
|
AVSubtitle *sub,
|
|
int64_t pts)
|
|
{
|
|
static uint8_t *subtitle_out = NULL;
|
|
int subtitle_out_max_size = 1024 * 1024;
|
|
int subtitle_out_size, nb, i;
|
|
AVCodecContext *enc;
|
|
AVPacket pkt;
|
|
|
|
if (pts == AV_NOPTS_VALUE) {
|
|
av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
|
|
if (exit_on_error)
|
|
exit_program(1);
|
|
return;
|
|
}
|
|
|
|
enc = ost->st->codec;
|
|
|
|
if (!subtitle_out) {
|
|
subtitle_out = av_malloc(subtitle_out_max_size);
|
|
}
|
|
|
|
/* Note: DVB subtitle need one packet to draw them and one other
|
|
packet to clear them */
|
|
/* XXX: signal it in the codec context ? */
|
|
if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
|
|
nb = 2;
|
|
else
|
|
nb = 1;
|
|
|
|
for (i = 0; i < nb; i++) {
|
|
ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
|
|
if (!check_recording_time(ost))
|
|
return;
|
|
|
|
sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
|
|
// start_display_time is required to be 0
|
|
sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
|
|
sub->end_display_time -= sub->start_display_time;
|
|
sub->start_display_time = 0;
|
|
subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
|
|
subtitle_out_max_size, sub);
|
|
if (subtitle_out_size < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
av_init_packet(&pkt);
|
|
pkt.data = subtitle_out;
|
|
pkt.size = subtitle_out_size;
|
|
pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
|
|
if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
|
|
/* XXX: the pts correction is handled here. Maybe handling
|
|
it in the codec would be better */
|
|
if (i == 0)
|
|
pkt.pts += 90 * sub->start_display_time;
|
|
else
|
|
pkt.pts += 90 * sub->end_display_time;
|
|
}
|
|
write_frame(s, &pkt, ost);
|
|
}
|
|
}
|
|
|
|
static void do_video_out(AVFormatContext *s,
|
|
OutputStream *ost,
|
|
AVFrame *in_picture,
|
|
int *frame_size, float quality)
|
|
{
|
|
int ret, format_video_sync;
|
|
AVPacket pkt;
|
|
AVCodecContext *enc = ost->st->codec;
|
|
|
|
*frame_size = 0;
|
|
|
|
format_video_sync = video_sync_method;
|
|
if (format_video_sync == VSYNC_AUTO)
|
|
format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
|
|
(s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
|
|
if (format_video_sync != VSYNC_PASSTHROUGH &&
|
|
ost->frame_number &&
|
|
in_picture->pts != AV_NOPTS_VALUE &&
|
|
in_picture->pts < ost->sync_opts) {
|
|
nb_frames_drop++;
|
|
av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
|
|
return;
|
|
}
|
|
|
|
if (in_picture->pts == AV_NOPTS_VALUE)
|
|
in_picture->pts = ost->sync_opts;
|
|
ost->sync_opts = in_picture->pts;
|
|
|
|
|
|
if (!ost->frame_number)
|
|
ost->first_pts = in_picture->pts;
|
|
|
|
av_init_packet(&pkt);
|
|
pkt.data = NULL;
|
|
pkt.size = 0;
|
|
|
|
if (!check_recording_time(ost) ||
|
|
ost->frame_number >= ost->max_frames)
|
|
return;
|
|
|
|
if (s->oformat->flags & AVFMT_RAWPICTURE &&
|
|
enc->codec->id == CODEC_ID_RAWVIDEO) {
|
|
/* raw pictures are written as AVPicture structure to
|
|
avoid any copies. We support temporarily the older
|
|
method. */
|
|
enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
|
|
enc->coded_frame->top_field_first = in_picture->top_field_first;
|
|
pkt.data = (uint8_t *)in_picture;
|
|
pkt.size = sizeof(AVPicture);
|
|
pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
|
|
pkt.flags |= AV_PKT_FLAG_KEY;
|
|
|
|
write_frame(s, &pkt, ost);
|
|
} else {
|
|
int got_packet;
|
|
AVFrame big_picture;
|
|
|
|
big_picture = *in_picture;
|
|
/* better than nothing: use input picture interlaced
|
|
settings */
|
|
big_picture.interlaced_frame = in_picture->interlaced_frame;
|
|
if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
|
|
if (ost->top_field_first == -1)
|
|
big_picture.top_field_first = in_picture->top_field_first;
|
|
else
|
|
big_picture.top_field_first = !!ost->top_field_first;
|
|
}
|
|
|
|
/* handles same_quant here. This is not correct because it may
|
|
not be a global option */
|
|
big_picture.quality = quality;
|
|
if (!enc->me_threshold)
|
|
big_picture.pict_type = 0;
|
|
if (ost->forced_kf_index < ost->forced_kf_count &&
|
|
big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
|
|
big_picture.pict_type = AV_PICTURE_TYPE_I;
|
|
ost->forced_kf_index++;
|
|
}
|
|
ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
|
|
if (ret < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
if (got_packet) {
|
|
if (pkt.pts != AV_NOPTS_VALUE)
|
|
pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
|
|
if (pkt.dts != AV_NOPTS_VALUE)
|
|
pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
|
|
|
|
write_frame(s, &pkt, ost);
|
|
*frame_size = pkt.size;
|
|
video_size += pkt.size;
|
|
|
|
/* if two pass, output log */
|
|
if (ost->logfile && enc->stats_out) {
|
|
fprintf(ost->logfile, "%s", enc->stats_out);
|
|
}
|
|
}
|
|
}
|
|
ost->sync_opts++;
|
|
/*
|
|
* For video, number of frames in == number of packets out.
|
|
* But there may be reordering, so we can't throw away frames on encoder
|
|
* flush, we need to limit them here, before they go into encoder.
|
|
*/
|
|
ost->frame_number++;
|
|
}
|
|
|
|
static double psnr(double d)
|
|
{
|
|
return -10.0 * log(d) / log(10.0);
|
|
}
|
|
|
|
static void do_video_stats(AVFormatContext *os, OutputStream *ost,
|
|
int frame_size)
|
|
{
|
|
AVCodecContext *enc;
|
|
int frame_number;
|
|
double ti1, bitrate, avg_bitrate;
|
|
|
|
/* this is executed just the first time do_video_stats is called */
|
|
if (!vstats_file) {
|
|
vstats_file = fopen(vstats_filename, "w");
|
|
if (!vstats_file) {
|
|
perror("fopen");
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
enc = ost->st->codec;
|
|
if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
|
|
frame_number = ost->frame_number;
|
|
fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
|
|
if (enc->flags&CODEC_FLAG_PSNR)
|
|
fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
|
|
|
|
fprintf(vstats_file,"f_size= %6d ", frame_size);
|
|
/* compute pts value */
|
|
ti1 = ost->sync_opts * av_q2d(enc->time_base);
|
|
if (ti1 < 0.01)
|
|
ti1 = 0.01;
|
|
|
|
bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
|
|
avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
|
|
fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
|
|
(double)video_size / 1024, ti1, bitrate, avg_bitrate);
|
|
fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
|
|
}
|
|
}
|
|
|
|
/* check for new output on any of the filtergraphs */
|
|
static int poll_filters(void)
|
|
{
|
|
AVFilterBufferRef *picref;
|
|
AVFrame *filtered_frame = NULL;
|
|
int i, frame_size;
|
|
|
|
for (i = 0; i < nb_output_streams; i++) {
|
|
OutputStream *ost = output_streams[i];
|
|
OutputFile *of = output_files[ost->file_index];
|
|
int ret = 0;
|
|
|
|
if (!ost->filter)
|
|
continue;
|
|
|
|
if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
|
|
return AVERROR(ENOMEM);
|
|
} else
|
|
avcodec_get_frame_defaults(ost->filtered_frame);
|
|
filtered_frame = ost->filtered_frame;
|
|
|
|
while (ret >= 0 && !ost->is_past_recording_time) {
|
|
if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
|
|
!(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
|
|
ret = av_buffersink_read_samples(ost->filter->filter, &picref,
|
|
ost->st->codec->frame_size);
|
|
else
|
|
ret = av_buffersink_read(ost->filter->filter, &picref);
|
|
|
|
if (ret < 0)
|
|
break;
|
|
|
|
avfilter_copy_buf_props(filtered_frame, picref);
|
|
if (picref->pts != AV_NOPTS_VALUE)
|
|
filtered_frame->pts = av_rescale_q(picref->pts,
|
|
ost->filter->filter->inputs[0]->time_base,
|
|
ost->st->codec->time_base) -
|
|
av_rescale_q(of->start_time,
|
|
AV_TIME_BASE_Q,
|
|
ost->st->codec->time_base);
|
|
|
|
if (of->start_time && filtered_frame->pts < of->start_time) {
|
|
avfilter_unref_buffer(picref);
|
|
continue;
|
|
}
|
|
|
|
switch (ost->filter->filter->inputs[0]->type) {
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
if (!ost->frame_aspect_ratio)
|
|
ost->st->codec->sample_aspect_ratio = picref->video->pixel_aspect;
|
|
|
|
do_video_out(of->ctx, ost, filtered_frame, &frame_size,
|
|
same_quant ? ost->last_quality :
|
|
ost->st->codec->global_quality);
|
|
if (vstats_filename && frame_size)
|
|
do_video_stats(of->ctx, ost, frame_size);
|
|
break;
|
|
case AVMEDIA_TYPE_AUDIO:
|
|
do_audio_out(of->ctx, ost, filtered_frame);
|
|
break;
|
|
default:
|
|
// TODO support subtitle filters
|
|
av_assert0(0);
|
|
}
|
|
|
|
avfilter_unref_buffer(picref);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void print_report(int is_last_report, int64_t timer_start)
|
|
{
|
|
char buf[1024];
|
|
OutputStream *ost;
|
|
AVFormatContext *oc;
|
|
int64_t total_size;
|
|
AVCodecContext *enc;
|
|
int frame_number, vid, i;
|
|
double bitrate, ti1, pts;
|
|
static int64_t last_time = -1;
|
|
static int qp_histogram[52];
|
|
|
|
if (!print_stats && !is_last_report)
|
|
return;
|
|
|
|
if (!is_last_report) {
|
|
int64_t cur_time;
|
|
/* display the report every 0.5 seconds */
|
|
cur_time = av_gettime();
|
|
if (last_time == -1) {
|
|
last_time = cur_time;
|
|
return;
|
|
}
|
|
if ((cur_time - last_time) < 500000)
|
|
return;
|
|
last_time = cur_time;
|
|
}
|
|
|
|
|
|
oc = output_files[0]->ctx;
|
|
|
|
total_size = avio_size(oc->pb);
|
|
if (total_size < 0) // FIXME improve avio_size() so it works with non seekable output too
|
|
total_size = avio_tell(oc->pb);
|
|
|
|
buf[0] = '\0';
|
|
ti1 = 1e10;
|
|
vid = 0;
|
|
for (i = 0; i < nb_output_streams; i++) {
|
|
float q = -1;
|
|
ost = output_streams[i];
|
|
enc = ost->st->codec;
|
|
if (!ost->stream_copy && enc->coded_frame)
|
|
q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
|
|
if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
|
|
}
|
|
if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
|
|
float t = (av_gettime() - timer_start) / 1000000.0;
|
|
|
|
frame_number = ost->frame_number;
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
|
|
frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
|
|
if (is_last_report)
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
|
|
if (qp_hist) {
|
|
int j;
|
|
int qp = lrintf(q);
|
|
if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
|
|
qp_histogram[qp]++;
|
|
for (j = 0; j < 32; j++)
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
|
|
}
|
|
if (enc->flags&CODEC_FLAG_PSNR) {
|
|
int j;
|
|
double error, error_sum = 0;
|
|
double scale, scale_sum = 0;
|
|
char type[3] = { 'Y','U','V' };
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
|
|
for (j = 0; j < 3; j++) {
|
|
if (is_last_report) {
|
|
error = enc->error[j];
|
|
scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
|
|
} else {
|
|
error = enc->coded_frame->error[j];
|
|
scale = enc->width * enc->height * 255.0 * 255.0;
|
|
}
|
|
if (j)
|
|
scale /= 4;
|
|
error_sum += error;
|
|
scale_sum += scale;
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
|
|
}
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
|
|
}
|
|
vid = 1;
|
|
}
|
|
/* compute min output value */
|
|
pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
|
|
if ((pts < ti1) && (pts > 0))
|
|
ti1 = pts;
|
|
}
|
|
if (ti1 < 0.01)
|
|
ti1 = 0.01;
|
|
|
|
bitrate = (double)(total_size * 8) / ti1 / 1000.0;
|
|
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
|
|
"size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
|
|
(double)total_size / 1024, ti1, bitrate);
|
|
|
|
if (nb_frames_dup || nb_frames_drop)
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
|
|
nb_frames_dup, nb_frames_drop);
|
|
|
|
av_log(NULL, AV_LOG_INFO, "%s \r", buf);
|
|
|
|
fflush(stderr);
|
|
|
|
if (is_last_report) {
|
|
int64_t raw= audio_size + video_size + extra_size;
|
|
av_log(NULL, AV_LOG_INFO, "\n");
|
|
av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
|
|
video_size / 1024.0,
|
|
audio_size / 1024.0,
|
|
extra_size / 1024.0,
|
|
100.0 * (total_size - raw) / raw
|
|
);
|
|
}
|
|
}
|
|
|
|
static void flush_encoders(void)
|
|
{
|
|
int i, ret;
|
|
|
|
for (i = 0; i < nb_output_streams; i++) {
|
|
OutputStream *ost = output_streams[i];
|
|
AVCodecContext *enc = ost->st->codec;
|
|
AVFormatContext *os = output_files[ost->file_index]->ctx;
|
|
int stop_encoding = 0;
|
|
|
|
if (!ost->encoding_needed)
|
|
continue;
|
|
|
|
if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
|
|
continue;
|
|
if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
|
|
continue;
|
|
|
|
for (;;) {
|
|
int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
|
|
const char *desc;
|
|
int64_t *size;
|
|
|
|
switch (ost->st->codec->codec_type) {
|
|
case AVMEDIA_TYPE_AUDIO:
|
|
encode = avcodec_encode_audio2;
|
|
desc = "Audio";
|
|
size = &audio_size;
|
|
break;
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
encode = avcodec_encode_video2;
|
|
desc = "Video";
|
|
size = &video_size;
|
|
break;
|
|
default:
|
|
stop_encoding = 1;
|
|
}
|
|
|
|
if (encode) {
|
|
AVPacket pkt;
|
|
int got_packet;
|
|
av_init_packet(&pkt);
|
|
pkt.data = NULL;
|
|
pkt.size = 0;
|
|
|
|
ret = encode(enc, &pkt, NULL, &got_packet);
|
|
if (ret < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
|
|
exit_program(1);
|
|
}
|
|
*size += ret;
|
|
if (ost->logfile && enc->stats_out) {
|
|
fprintf(ost->logfile, "%s", enc->stats_out);
|
|
}
|
|
if (!got_packet) {
|
|
stop_encoding = 1;
|
|
break;
|
|
}
|
|
if (pkt.pts != AV_NOPTS_VALUE)
|
|
pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
|
|
if (pkt.dts != AV_NOPTS_VALUE)
|
|
pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
|
|
write_frame(os, &pkt, ost);
|
|
}
|
|
|
|
if (stop_encoding)
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Check whether a packet from ist should be written into ost at this time
|
|
*/
|
|
static int check_output_constraints(InputStream *ist, OutputStream *ost)
|
|
{
|
|
OutputFile *of = output_files[ost->file_index];
|
|
int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
|
|
|
|
if (ost->source_index != ist_index)
|
|
return 0;
|
|
|
|
if (of->start_time && ist->last_dts < of->start_time)
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
|
|
{
|
|
OutputFile *of = output_files[ost->file_index];
|
|
int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
|
|
AVPacket opkt;
|
|
|
|
av_init_packet(&opkt);
|
|
|
|
if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
|
|
!ost->copy_initial_nonkeyframes)
|
|
return;
|
|
|
|
if (of->recording_time != INT64_MAX &&
|
|
ist->last_dts >= of->recording_time + of->start_time) {
|
|
ost->is_past_recording_time = 1;
|
|
return;
|
|
}
|
|
|
|
/* force the input stream PTS */
|
|
if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
|
|
audio_size += pkt->size;
|
|
else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
|
|
video_size += pkt->size;
|
|
ost->sync_opts++;
|
|
}
|
|
|
|
if (pkt->pts != AV_NOPTS_VALUE)
|
|
opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
|
|
else
|
|
opkt.pts = AV_NOPTS_VALUE;
|
|
|
|
if (pkt->dts == AV_NOPTS_VALUE)
|
|
opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base);
|
|
else
|
|
opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
|
|
opkt.dts -= ost_tb_start_time;
|
|
|
|
opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
|
|
opkt.flags = pkt->flags;
|
|
|
|
// FIXME remove the following 2 lines they shall be replaced by the bitstream filters
|
|
if ( ost->st->codec->codec_id != CODEC_ID_H264
|
|
&& ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
|
|
&& ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
|
|
&& ost->st->codec->codec_id != CODEC_ID_VC1
|
|
) {
|
|
if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
|
|
opkt.destruct = av_destruct_packet;
|
|
} else {
|
|
opkt.data = pkt->data;
|
|
opkt.size = pkt->size;
|
|
}
|
|
|
|
write_frame(of->ctx, &opkt, ost);
|
|
ost->st->codec->frame_number++;
|
|
av_free_packet(&opkt);
|
|
}
|
|
|
|
static void rate_emu_sleep(InputStream *ist)
|
|
{
|
|
if (input_files[ist->file_index]->rate_emu) {
|
|
int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
|
|
int64_t now = av_gettime() - ist->start;
|
|
if (pts > now)
|
|
av_usleep(pts - now);
|
|
}
|
|
}
|
|
|
|
static int guess_input_channel_layout(InputStream *ist)
|
|
{
|
|
AVCodecContext *dec = ist->st->codec;
|
|
|
|
if (!dec->channel_layout) {
|
|
char layout_name[256];
|
|
|
|
dec->channel_layout = av_get_default_channel_layout(dec->channels);
|
|
if (!dec->channel_layout)
|
|
return 0;
|
|
av_get_channel_layout_string(layout_name, sizeof(layout_name),
|
|
dec->channels, dec->channel_layout);
|
|
av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
|
|
"#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
|
|
{
|
|
AVFrame *decoded_frame;
|
|
AVCodecContext *avctx = ist->st->codec;
|
|
int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
|
|
int i, ret, resample_changed;
|
|
|
|
if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
|
|
return AVERROR(ENOMEM);
|
|
else
|
|
avcodec_get_frame_defaults(ist->decoded_frame);
|
|
decoded_frame = ist->decoded_frame;
|
|
|
|
ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
|
|
if (ret < 0) {
|
|
return ret;
|
|
}
|
|
|
|
if (!*got_output) {
|
|
/* no audio frame */
|
|
if (!pkt->size)
|
|
for (i = 0; i < ist->nb_filters; i++)
|
|
av_buffersrc_buffer(ist->filters[i]->filter, NULL);
|
|
return ret;
|
|
}
|
|
|
|
/* if the decoder provides a pts, use it instead of the last packet pts.
|
|
the decoder could be delaying output by a packet or more. */
|
|
if (decoded_frame->pts != AV_NOPTS_VALUE)
|
|
ist->next_dts = decoded_frame->pts;
|
|
else if (pkt->pts != AV_NOPTS_VALUE) {
|
|
decoded_frame->pts = pkt->pts;
|
|
pkt->pts = AV_NOPTS_VALUE;
|
|
}
|
|
|
|
// preprocess audio (volume)
|
|
if (audio_volume != 256) {
|
|
int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
|
|
void *samples = decoded_frame->data[0];
|
|
switch (avctx->sample_fmt) {
|
|
case AV_SAMPLE_FMT_U8:
|
|
{
|
|
uint8_t *volp = samples;
|
|
for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
|
|
int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
|
|
*volp++ = av_clip_uint8(v);
|
|
}
|
|
break;
|
|
}
|
|
case AV_SAMPLE_FMT_S16:
|
|
{
|
|
int16_t *volp = samples;
|
|
for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
|
|
int v = ((*volp) * audio_volume + 128) >> 8;
|
|
*volp++ = av_clip_int16(v);
|
|
}
|
|
break;
|
|
}
|
|
case AV_SAMPLE_FMT_S32:
|
|
{
|
|
int32_t *volp = samples;
|
|
for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
|
|
int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
|
|
*volp++ = av_clipl_int32(v);
|
|
}
|
|
break;
|
|
}
|
|
case AV_SAMPLE_FMT_FLT:
|
|
{
|
|
float *volp = samples;
|
|
float scale = audio_volume / 256.f;
|
|
for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
|
|
*volp++ *= scale;
|
|
}
|
|
break;
|
|
}
|
|
case AV_SAMPLE_FMT_DBL:
|
|
{
|
|
double *volp = samples;
|
|
double scale = audio_volume / 256.;
|
|
for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
|
|
*volp++ *= scale;
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
av_log(NULL, AV_LOG_FATAL,
|
|
"Audio volume adjustment on sample format %s is not supported.\n",
|
|
av_get_sample_fmt_name(ist->st->codec->sample_fmt));
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
rate_emu_sleep(ist);
|
|
|
|
resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
|
|
ist->resample_channels != avctx->channels ||
|
|
ist->resample_channel_layout != decoded_frame->channel_layout ||
|
|
ist->resample_sample_rate != decoded_frame->sample_rate;
|
|
if (resample_changed) {
|
|
char layout1[64], layout2[64];
|
|
|
|
if (!guess_input_channel_layout(ist)) {
|
|
av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
|
|
"layout for Input Stream #%d.%d\n", ist->file_index,
|
|
ist->st->index);
|
|
exit_program(1);
|
|
}
|
|
decoded_frame->channel_layout = avctx->channel_layout;
|
|
|
|
av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
|
|
ist->resample_channel_layout);
|
|
av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
|
|
decoded_frame->channel_layout);
|
|
|
|
av_log(NULL, AV_LOG_INFO,
|
|
"Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d chl:%s to rate:%d fmt:%s ch:%d chl:%s\n",
|
|
ist->file_index, ist->st->index,
|
|
ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
|
|
ist->resample_channels, layout1,
|
|
decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
|
|
avctx->channels, layout2);
|
|
|
|
ist->resample_sample_fmt = decoded_frame->format;
|
|
ist->resample_sample_rate = decoded_frame->sample_rate;
|
|
ist->resample_channel_layout = decoded_frame->channel_layout;
|
|
ist->resample_channels = avctx->channels;
|
|
|
|
for (i = 0; i < nb_filtergraphs; i++)
|
|
if (ist_in_filtergraph(filtergraphs[i], ist) &&
|
|
configure_filtergraph(filtergraphs[i]) < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < ist->nb_filters; i++)
|
|
av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
|
|
{
|
|
AVFrame *decoded_frame;
|
|
void *buffer_to_free = NULL;
|
|
int i, ret = 0, resample_changed;
|
|
float quality;
|
|
|
|
if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
|
|
return AVERROR(ENOMEM);
|
|
else
|
|
avcodec_get_frame_defaults(ist->decoded_frame);
|
|
decoded_frame = ist->decoded_frame;
|
|
|
|
ret = avcodec_decode_video2(ist->st->codec,
|
|
decoded_frame, got_output, pkt);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
quality = same_quant ? decoded_frame->quality : 0;
|
|
if (!*got_output) {
|
|
/* no picture yet */
|
|
if (!pkt->size)
|
|
for (i = 0; i < ist->nb_filters; i++)
|
|
av_buffersrc_buffer(ist->filters[i]->filter, NULL);
|
|
return ret;
|
|
}
|
|
decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
|
|
decoded_frame->pkt_dts);
|
|
pkt->size = 0;
|
|
pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
|
|
|
|
rate_emu_sleep(ist);
|
|
|
|
if (ist->st->sample_aspect_ratio.num)
|
|
decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
|
|
|
|
resample_changed = ist->resample_width != decoded_frame->width ||
|
|
ist->resample_height != decoded_frame->height ||
|
|
ist->resample_pix_fmt != decoded_frame->format;
|
|
if (resample_changed) {
|
|
av_log(NULL, AV_LOG_INFO,
|
|
"Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
|
|
ist->file_index, ist->st->index,
|
|
ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
|
|
decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
|
|
|
|
ist->resample_width = decoded_frame->width;
|
|
ist->resample_height = decoded_frame->height;
|
|
ist->resample_pix_fmt = decoded_frame->format;
|
|
|
|
for (i = 0; i < nb_filtergraphs; i++)
|
|
if (ist_in_filtergraph(filtergraphs[i], ist) &&
|
|
configure_filtergraph(filtergraphs[i]) < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < ist->nb_filters; i++) {
|
|
// XXX what an ugly hack
|
|
if (ist->filters[i]->graph->nb_outputs == 1)
|
|
ist->filters[i]->graph->outputs[0]->ost->last_quality = quality;
|
|
|
|
if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) {
|
|
FrameBuffer *buf = decoded_frame->opaque;
|
|
AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
|
|
decoded_frame->data, decoded_frame->linesize,
|
|
AV_PERM_READ | AV_PERM_PRESERVE,
|
|
ist->st->codec->width, ist->st->codec->height,
|
|
ist->st->codec->pix_fmt);
|
|
|
|
avfilter_copy_frame_props(fb, decoded_frame);
|
|
fb->buf->priv = buf;
|
|
fb->buf->free = filter_release_buffer;
|
|
|
|
buf->refcount++;
|
|
av_buffersrc_buffer(ist->filters[i]->filter, fb);
|
|
} else
|
|
av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame);
|
|
}
|
|
|
|
av_free(buffer_to_free);
|
|
return ret;
|
|
}
|
|
|
|
static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
|
|
{
|
|
AVSubtitle subtitle;
|
|
int i, ret = avcodec_decode_subtitle2(ist->st->codec,
|
|
&subtitle, got_output, pkt);
|
|
if (ret < 0)
|
|
return ret;
|
|
if (!*got_output)
|
|
return ret;
|
|
|
|
rate_emu_sleep(ist);
|
|
|
|
for (i = 0; i < nb_output_streams; i++) {
|
|
OutputStream *ost = output_streams[i];
|
|
|
|
if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
|
|
continue;
|
|
|
|
do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
|
|
}
|
|
|
|
avsubtitle_free(&subtitle);
|
|
return ret;
|
|
}
|
|
|
|
/* pkt = NULL means EOF (needed to flush decoder buffers) */
|
|
static int output_packet(InputStream *ist, const AVPacket *pkt)
|
|
{
|
|
int i;
|
|
int got_output;
|
|
AVPacket avpkt;
|
|
|
|
if (ist->next_dts == AV_NOPTS_VALUE)
|
|
ist->next_dts = ist->last_dts;
|
|
|
|
if (pkt == NULL) {
|
|
/* EOF handling */
|
|
av_init_packet(&avpkt);
|
|
avpkt.data = NULL;
|
|
avpkt.size = 0;
|
|
goto handle_eof;
|
|
} else {
|
|
avpkt = *pkt;
|
|
}
|
|
|
|
if (pkt->dts != AV_NOPTS_VALUE)
|
|
ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
|
|
|
|
// while we have more to decode or while the decoder did output something on EOF
|
|
while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
|
|
int ret = 0;
|
|
handle_eof:
|
|
|
|
ist->last_dts = ist->next_dts;
|
|
|
|
if (avpkt.size && avpkt.size != pkt->size) {
|
|
av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
|
|
"Multiple frames in a packet from stream %d\n", pkt->stream_index);
|
|
ist->showed_multi_packet_warning = 1;
|
|
}
|
|
|
|
switch (ist->st->codec->codec_type) {
|
|
case AVMEDIA_TYPE_AUDIO:
|
|
ret = decode_audio (ist, &avpkt, &got_output);
|
|
break;
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
ret = decode_video (ist, &avpkt, &got_output);
|
|
if (avpkt.duration)
|
|
ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
|
|
else if (ist->st->r_frame_rate.num)
|
|
ist->next_dts += av_rescale_q(1, (AVRational){ist->st->r_frame_rate.den,
|
|
ist->st->r_frame_rate.num},
|
|
AV_TIME_BASE_Q);
|
|
else if (ist->st->codec->time_base.num != 0) {
|
|
int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
|
|
ist->st->codec->ticks_per_frame;
|
|
ist->next_dts += av_rescale_q(ticks, ist->st->codec->time_base, AV_TIME_BASE_Q);
|
|
}
|
|
break;
|
|
case AVMEDIA_TYPE_SUBTITLE:
|
|
ret = transcode_subtitles(ist, &avpkt, &got_output);
|
|
break;
|
|
default:
|
|
return -1;
|
|
}
|
|
|
|
if (ret < 0)
|
|
return ret;
|
|
// touch data and size only if not EOF
|
|
if (pkt) {
|
|
avpkt.data += ret;
|
|
avpkt.size -= ret;
|
|
}
|
|
if (!got_output) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
/* handle stream copy */
|
|
if (!ist->decoding_needed) {
|
|
rate_emu_sleep(ist);
|
|
ist->last_dts = ist->next_dts;
|
|
switch (ist->st->codec->codec_type) {
|
|
case AVMEDIA_TYPE_AUDIO:
|
|
ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
|
|
ist->st->codec->sample_rate;
|
|
break;
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
if (ist->st->codec->time_base.num != 0) {
|
|
int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
|
|
ist->next_dts += ((int64_t)AV_TIME_BASE *
|
|
ist->st->codec->time_base.num * ticks) /
|
|
ist->st->codec->time_base.den;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
for (i = 0; pkt && i < nb_output_streams; i++) {
|
|
OutputStream *ost = output_streams[i];
|
|
|
|
if (!check_output_constraints(ist, ost) || ost->encoding_needed)
|
|
continue;
|
|
|
|
do_streamcopy(ist, ost, pkt);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void print_sdp(void)
|
|
{
|
|
char sdp[2048];
|
|
int i;
|
|
AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
|
|
|
|
if (!avc)
|
|
exit_program(1);
|
|
for (i = 0; i < nb_output_files; i++)
|
|
avc[i] = output_files[i]->ctx;
|
|
|
|
av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
|
|
printf("SDP:\n%s\n", sdp);
|
|
fflush(stdout);
|
|
av_freep(&avc);
|
|
}
|
|
|
|
static int init_input_stream(int ist_index, char *error, int error_len)
|
|
{
|
|
int i;
|
|
InputStream *ist = input_streams[ist_index];
|
|
if (ist->decoding_needed) {
|
|
AVCodec *codec = ist->dec;
|
|
if (!codec) {
|
|
snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
|
|
ist->st->codec->codec_id, ist->file_index, ist->st->index);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
/* update requested sample format for the decoder based on the
|
|
corresponding encoder sample format */
|
|
for (i = 0; i < nb_output_streams; i++) {
|
|
OutputStream *ost = output_streams[i];
|
|
if (ost->source_index == ist_index) {
|
|
update_sample_fmt(ist->st->codec, codec, ost->st->codec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
|
|
ist->st->codec->get_buffer = codec_get_buffer;
|
|
ist->st->codec->release_buffer = codec_release_buffer;
|
|
ist->st->codec->opaque = &ist->buffer_pool;
|
|
}
|
|
|
|
if (!av_dict_get(ist->opts, "threads", NULL, 0))
|
|
av_dict_set(&ist->opts, "threads", "auto", 0);
|
|
if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
|
|
snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
|
|
ist->file_index, ist->st->index);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
assert_codec_experimental(ist->st->codec, 0);
|
|
assert_avoptions(ist->opts);
|
|
}
|
|
|
|
ist->last_dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
|
|
ist->next_dts = AV_NOPTS_VALUE;
|
|
init_pts_correction(&ist->pts_ctx);
|
|
ist->is_start = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static InputStream *get_input_stream(OutputStream *ost)
|
|
{
|
|
if (ost->source_index >= 0)
|
|
return input_streams[ost->source_index];
|
|
|
|
if (ost->filter) {
|
|
FilterGraph *fg = ost->filter->graph;
|
|
int i;
|
|
|
|
for (i = 0; i < fg->nb_inputs; i++)
|
|
if (fg->inputs[i]->ist->st->codec->codec_type == ost->st->codec->codec_type)
|
|
return fg->inputs[i]->ist;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void parse_forced_key_frames(char *kf, OutputStream *ost,
|
|
AVCodecContext *avctx)
|
|
{
|
|
char *p;
|
|
int n = 1, i;
|
|
int64_t t;
|
|
|
|
for (p = kf; *p; p++)
|
|
if (*p == ',')
|
|
n++;
|
|
ost->forced_kf_count = n;
|
|
ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
|
|
if (!ost->forced_kf_pts) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
|
|
exit_program(1);
|
|
}
|
|
for (i = 0; i < n; i++) {
|
|
p = i ? strchr(p, ',') + 1 : kf;
|
|
t = parse_time_or_die("force_key_frames", p, 1);
|
|
ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
|
|
}
|
|
}
|
|
|
|
static int transcode_init(void)
|
|
{
|
|
int ret = 0, i, j, k;
|
|
AVFormatContext *oc;
|
|
AVCodecContext *codec, *icodec;
|
|
OutputStream *ost;
|
|
InputStream *ist;
|
|
char error[1024];
|
|
int want_sdp = 1;
|
|
|
|
/* init framerate emulation */
|
|
for (i = 0; i < nb_input_files; i++) {
|
|
InputFile *ifile = input_files[i];
|
|
if (ifile->rate_emu)
|
|
for (j = 0; j < ifile->nb_streams; j++)
|
|
input_streams[j + ifile->ist_index]->start = av_gettime();
|
|
}
|
|
|
|
/* output stream init */
|
|
for (i = 0; i < nb_output_files; i++) {
|
|
oc = output_files[i]->ctx;
|
|
if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
|
|
av_dump_format(oc, i, oc->filename, 1);
|
|
av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
}
|
|
|
|
/* init complex filtergraphs */
|
|
for (i = 0; i < nb_filtergraphs; i++)
|
|
if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
|
|
return ret;
|
|
|
|
/* for each output stream, we compute the right encoding parameters */
|
|
for (i = 0; i < nb_output_streams; i++) {
|
|
ost = output_streams[i];
|
|
oc = output_files[ost->file_index]->ctx;
|
|
ist = get_input_stream(ost);
|
|
|
|
if (ost->attachment_filename)
|
|
continue;
|
|
|
|
codec = ost->st->codec;
|
|
|
|
if (ist) {
|
|
icodec = ist->st->codec;
|
|
|
|
ost->st->disposition = ist->st->disposition;
|
|
codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
|
|
codec->chroma_sample_location = icodec->chroma_sample_location;
|
|
}
|
|
|
|
if (ost->stream_copy) {
|
|
uint64_t extra_size;
|
|
|
|
av_assert0(ist && !ost->filter);
|
|
|
|
extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
|
|
|
|
if (extra_size > INT_MAX) {
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
/* if stream_copy is selected, no need to decode or encode */
|
|
codec->codec_id = icodec->codec_id;
|
|
codec->codec_type = icodec->codec_type;
|
|
|
|
if (!codec->codec_tag) {
|
|
if (!oc->oformat->codec_tag ||
|
|
av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
|
|
av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
|
|
codec->codec_tag = icodec->codec_tag;
|
|
}
|
|
|
|
codec->bit_rate = icodec->bit_rate;
|
|
codec->rc_max_rate = icodec->rc_max_rate;
|
|
codec->rc_buffer_size = icodec->rc_buffer_size;
|
|
codec->field_order = icodec->field_order;
|
|
codec->extradata = av_mallocz(extra_size);
|
|
if (!codec->extradata) {
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
|
|
codec->extradata_size = icodec->extradata_size;
|
|
if (!copy_tb) {
|
|
codec->time_base = icodec->time_base;
|
|
codec->time_base.num *= icodec->ticks_per_frame;
|
|
av_reduce(&codec->time_base.num, &codec->time_base.den,
|
|
codec->time_base.num, codec->time_base.den, INT_MAX);
|
|
} else
|
|
codec->time_base = ist->st->time_base;
|
|
|
|
switch (codec->codec_type) {
|
|
case AVMEDIA_TYPE_AUDIO:
|
|
if (audio_volume != 256) {
|
|
av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
|
|
exit_program(1);
|
|
}
|
|
codec->channel_layout = icodec->channel_layout;
|
|
codec->sample_rate = icodec->sample_rate;
|
|
codec->channels = icodec->channels;
|
|
codec->frame_size = icodec->frame_size;
|
|
codec->audio_service_type = icodec->audio_service_type;
|
|
codec->block_align = icodec->block_align;
|
|
break;
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
codec->pix_fmt = icodec->pix_fmt;
|
|
codec->width = icodec->width;
|
|
codec->height = icodec->height;
|
|
codec->has_b_frames = icodec->has_b_frames;
|
|
if (!codec->sample_aspect_ratio.num) {
|
|
codec->sample_aspect_ratio =
|
|
ost->st->sample_aspect_ratio =
|
|
ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
|
|
ist->st->codec->sample_aspect_ratio.num ?
|
|
ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
|
|
}
|
|
break;
|
|
case AVMEDIA_TYPE_SUBTITLE:
|
|
codec->width = icodec->width;
|
|
codec->height = icodec->height;
|
|
break;
|
|
case AVMEDIA_TYPE_DATA:
|
|
case AVMEDIA_TYPE_ATTACHMENT:
|
|
break;
|
|
default:
|
|
abort();
|
|
}
|
|
} else {
|
|
if (!ost->enc) {
|
|
/* should only happen when a default codec is not present. */
|
|
snprintf(error, sizeof(error), "Automatic encoder selection "
|
|
"failed for output stream #%d:%d. Default encoder for "
|
|
"format %s is probably disabled. Please choose an "
|
|
"encoder manually.\n", ost->file_index, ost->index,
|
|
oc->oformat->name);
|
|
ret = AVERROR(EINVAL);
|
|
goto dump_format;
|
|
}
|
|
|
|
if (ist)
|
|
ist->decoding_needed = 1;
|
|
ost->encoding_needed = 1;
|
|
|
|
/*
|
|
* We want CFR output if and only if one of those is true:
|
|
* 1) user specified output framerate with -r
|
|
* 2) user specified -vsync cfr
|
|
* 3) output format is CFR and the user didn't force vsync to
|
|
* something else than CFR
|
|
*
|
|
* in such a case, set ost->frame_rate
|
|
*/
|
|
if (codec->codec_type == AVMEDIA_TYPE_VIDEO &&
|
|
!ost->frame_rate.num && ist &&
|
|
(video_sync_method == VSYNC_CFR ||
|
|
(video_sync_method == VSYNC_AUTO &&
|
|
!(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
|
|
ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1};
|
|
if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
|
|
int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
|
|
ost->frame_rate = ost->enc->supported_framerates[idx];
|
|
}
|
|
}
|
|
|
|
if (!ost->filter &&
|
|
(codec->codec_type == AVMEDIA_TYPE_VIDEO ||
|
|
codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
|
|
FilterGraph *fg;
|
|
fg = init_simple_filtergraph(ist, ost);
|
|
if (configure_filtergraph(fg)) {
|
|
av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
switch (codec->codec_type) {
|
|
case AVMEDIA_TYPE_AUDIO:
|
|
codec->sample_fmt = ost->filter->filter->inputs[0]->format;
|
|
codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
|
|
codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
|
|
codec->channels = av_get_channel_layout_nb_channels(codec->channel_layout);
|
|
codec->time_base = (AVRational){ 1, codec->sample_rate };
|
|
break;
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
codec->time_base = ost->filter->filter->inputs[0]->time_base;
|
|
|
|
codec->width = ost->filter->filter->inputs[0]->w;
|
|
codec->height = ost->filter->filter->inputs[0]->h;
|
|
codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
|
|
ost->frame_aspect_ratio ? // overridden by the -aspect cli option
|
|
av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
|
|
ost->filter->filter->inputs[0]->sample_aspect_ratio;
|
|
codec->pix_fmt = ost->filter->filter->inputs[0]->format;
|
|
|
|
if (codec->width != icodec->width ||
|
|
codec->height != icodec->height ||
|
|
codec->pix_fmt != icodec->pix_fmt) {
|
|
codec->bits_per_raw_sample = 0;
|
|
}
|
|
|
|
if (ost->forced_keyframes)
|
|
parse_forced_key_frames(ost->forced_keyframes, ost,
|
|
ost->st->codec);
|
|
break;
|
|
case AVMEDIA_TYPE_SUBTITLE:
|
|
codec->time_base = (AVRational){1, 1000};
|
|
break;
|
|
default:
|
|
abort();
|
|
break;
|
|
}
|
|
/* two pass mode */
|
|
if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
|
|
char logfilename[1024];
|
|
FILE *f;
|
|
|
|
snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
|
|
pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
|
|
i);
|
|
if (!strcmp(ost->enc->name, "libx264")) {
|
|
av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
|
|
} else {
|
|
if (codec->flags & CODEC_FLAG_PASS1) {
|
|
f = fopen(logfilename, "wb");
|
|
if (!f) {
|
|
av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
|
|
logfilename, strerror(errno));
|
|
exit_program(1);
|
|
}
|
|
ost->logfile = f;
|
|
} else {
|
|
char *logbuffer;
|
|
size_t logbuffer_size;
|
|
if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
|
|
logfilename);
|
|
exit_program(1);
|
|
}
|
|
codec->stats_in = logbuffer;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* open each encoder */
|
|
for (i = 0; i < nb_output_streams; i++) {
|
|
ost = output_streams[i];
|
|
if (ost->encoding_needed) {
|
|
AVCodec *codec = ost->enc;
|
|
AVCodecContext *dec = NULL;
|
|
|
|
if ((ist = get_input_stream(ost)))
|
|
dec = ist->st->codec;
|
|
if (dec && dec->subtitle_header) {
|
|
ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
|
|
if (!ost->st->codec->subtitle_header) {
|
|
ret = AVERROR(ENOMEM);
|
|
goto dump_format;
|
|
}
|
|
memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
|
|
ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
|
|
}
|
|
if (!av_dict_get(ost->opts, "threads", NULL, 0))
|
|
av_dict_set(&ost->opts, "threads", "auto", 0);
|
|
if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
|
|
snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
|
|
ost->file_index, ost->index);
|
|
ret = AVERROR(EINVAL);
|
|
goto dump_format;
|
|
}
|
|
assert_codec_experimental(ost->st->codec, 1);
|
|
assert_avoptions(ost->opts);
|
|
if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
|
|
av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
|
|
"It takes bits/s as argument, not kbits/s\n");
|
|
extra_size += ost->st->codec->extradata_size;
|
|
|
|
if (ost->st->codec->me_threshold)
|
|
input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
|
|
}
|
|
}
|
|
|
|
/* init input streams */
|
|
for (i = 0; i < nb_input_streams; i++)
|
|
if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
|
|
goto dump_format;
|
|
|
|
/* discard unused programs */
|
|
for (i = 0; i < nb_input_files; i++) {
|
|
InputFile *ifile = input_files[i];
|
|
for (j = 0; j < ifile->ctx->nb_programs; j++) {
|
|
AVProgram *p = ifile->ctx->programs[j];
|
|
int discard = AVDISCARD_ALL;
|
|
|
|
for (k = 0; k < p->nb_stream_indexes; k++)
|
|
if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
|
|
discard = AVDISCARD_DEFAULT;
|
|
break;
|
|
}
|
|
p->discard = discard;
|
|
}
|
|
}
|
|
|
|
/* open files and write file headers */
|
|
for (i = 0; i < nb_output_files; i++) {
|
|
oc = output_files[i]->ctx;
|
|
oc->interrupt_callback = int_cb;
|
|
if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
|
|
char errbuf[128];
|
|
const char *errbuf_ptr = errbuf;
|
|
if (av_strerror(ret, errbuf, sizeof(errbuf)) < 0)
|
|
errbuf_ptr = strerror(AVUNERROR(ret));
|
|
snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?): %s", i, errbuf_ptr);
|
|
ret = AVERROR(EINVAL);
|
|
goto dump_format;
|
|
}
|
|
assert_avoptions(output_files[i]->opts);
|
|
if (strcmp(oc->oformat->name, "rtp")) {
|
|
want_sdp = 0;
|
|
}
|
|
}
|
|
|
|
dump_format:
|
|
/* dump the file output parameters - cannot be done before in case
|
|
of stream copy */
|
|
for (i = 0; i < nb_output_files; i++) {
|
|
av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
|
|
}
|
|
|
|
/* dump the stream mapping */
|
|
av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
|
|
for (i = 0; i < nb_input_streams; i++) {
|
|
ist = input_streams[i];
|
|
|
|
for (j = 0; j < ist->nb_filters; j++) {
|
|
if (ist->filters[j]->graph->graph_desc) {
|
|
av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
|
|
ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
|
|
ist->filters[j]->name);
|
|
if (nb_filtergraphs > 1)
|
|
av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
|
|
av_log(NULL, AV_LOG_INFO, "\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < nb_output_streams; i++) {
|
|
ost = output_streams[i];
|
|
|
|
if (ost->attachment_filename) {
|
|
/* an attached file */
|
|
av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
|
|
ost->attachment_filename, ost->file_index, ost->index);
|
|
continue;
|
|
}
|
|
|
|
if (ost->filter && ost->filter->graph->graph_desc) {
|
|
/* output from a complex graph */
|
|
av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
|
|
if (nb_filtergraphs > 1)
|
|
av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
|
|
|
|
av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
|
|
ost->index, ost->enc ? ost->enc->name : "?");
|
|
continue;
|
|
}
|
|
|
|
av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
|
|
input_streams[ost->source_index]->file_index,
|
|
input_streams[ost->source_index]->st->index,
|
|
ost->file_index,
|
|
ost->index);
|
|
if (ost->sync_ist != input_streams[ost->source_index])
|
|
av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
|
|
ost->sync_ist->file_index,
|
|
ost->sync_ist->st->index);
|
|
if (ost->stream_copy)
|
|
av_log(NULL, AV_LOG_INFO, " (copy)");
|
|
else
|
|
av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
|
|
input_streams[ost->source_index]->dec->name : "?",
|
|
ost->enc ? ost->enc->name : "?");
|
|
av_log(NULL, AV_LOG_INFO, "\n");
|
|
}
|
|
|
|
if (ret) {
|
|
av_log(NULL, AV_LOG_ERROR, "%s\n", error);
|
|
return ret;
|
|
}
|
|
|
|
if (want_sdp) {
|
|
print_sdp();
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* @return 1 if there are still streams where more output is wanted,
|
|
* 0 otherwise
|
|
*/
|
|
static int need_output(void)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < nb_output_streams; i++) {
|
|
OutputStream *ost = output_streams[i];
|
|
OutputFile *of = output_files[ost->file_index];
|
|
AVFormatContext *os = output_files[ost->file_index]->ctx;
|
|
|
|
if (ost->is_past_recording_time ||
|
|
(os->pb && avio_tell(os->pb) >= of->limit_filesize))
|
|
continue;
|
|
if (ost->frame_number >= ost->max_frames) {
|
|
int j;
|
|
for (j = 0; j < of->ctx->nb_streams; j++)
|
|
output_streams[of->ost_index + j]->is_past_recording_time = 1;
|
|
continue;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int select_input_file(uint8_t *no_packet)
|
|
{
|
|
int64_t ipts_min = INT64_MAX;
|
|
int i, file_index = -1;
|
|
|
|
for (i = 0; i < nb_input_streams; i++) {
|
|
InputStream *ist = input_streams[i];
|
|
int64_t ipts = ist->last_dts;
|
|
|
|
if (ist->discard || no_packet[ist->file_index])
|
|
continue;
|
|
if (!input_files[ist->file_index]->eof_reached) {
|
|
if (ipts < ipts_min) {
|
|
ipts_min = ipts;
|
|
file_index = ist->file_index;
|
|
}
|
|
}
|
|
}
|
|
|
|
return file_index;
|
|
}
|
|
|
|
#if HAVE_PTHREADS
|
|
static void *input_thread(void *arg)
|
|
{
|
|
InputFile *f = arg;
|
|
int ret = 0;
|
|
|
|
while (!transcoding_finished && ret >= 0) {
|
|
AVPacket pkt;
|
|
ret = av_read_frame(f->ctx, &pkt);
|
|
|
|
if (ret == AVERROR(EAGAIN)) {
|
|
av_usleep(10000);
|
|
ret = 0;
|
|
continue;
|
|
} else if (ret < 0)
|
|
break;
|
|
|
|
pthread_mutex_lock(&f->fifo_lock);
|
|
while (!av_fifo_space(f->fifo))
|
|
pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
|
|
|
|
av_dup_packet(&pkt);
|
|
av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
|
|
|
|
pthread_mutex_unlock(&f->fifo_lock);
|
|
}
|
|
|
|
f->finished = 1;
|
|
return NULL;
|
|
}
|
|
|
|
static void free_input_threads(void)
|
|
{
|
|
int i;
|
|
|
|
if (nb_input_files == 1)
|
|
return;
|
|
|
|
transcoding_finished = 1;
|
|
|
|
for (i = 0; i < nb_input_files; i++) {
|
|
InputFile *f = input_files[i];
|
|
AVPacket pkt;
|
|
|
|
if (!f->fifo || f->joined)
|
|
continue;
|
|
|
|
pthread_mutex_lock(&f->fifo_lock);
|
|
while (av_fifo_size(f->fifo)) {
|
|
av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
|
|
av_free_packet(&pkt);
|
|
}
|
|
pthread_cond_signal(&f->fifo_cond);
|
|
pthread_mutex_unlock(&f->fifo_lock);
|
|
|
|
pthread_join(f->thread, NULL);
|
|
f->joined = 1;
|
|
|
|
while (av_fifo_size(f->fifo)) {
|
|
av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
|
|
av_free_packet(&pkt);
|
|
}
|
|
av_fifo_free(f->fifo);
|
|
}
|
|
}
|
|
|
|
static int init_input_threads(void)
|
|
{
|
|
int i, ret;
|
|
|
|
if (nb_input_files == 1)
|
|
return 0;
|
|
|
|
for (i = 0; i < nb_input_files; i++) {
|
|
InputFile *f = input_files[i];
|
|
|
|
if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
|
|
return AVERROR(ENOMEM);
|
|
|
|
pthread_mutex_init(&f->fifo_lock, NULL);
|
|
pthread_cond_init (&f->fifo_cond, NULL);
|
|
|
|
if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
|
|
return AVERROR(ret);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
|
|
{
|
|
int ret = 0;
|
|
|
|
pthread_mutex_lock(&f->fifo_lock);
|
|
|
|
if (av_fifo_size(f->fifo)) {
|
|
av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
|
|
pthread_cond_signal(&f->fifo_cond);
|
|
} else {
|
|
if (f->finished)
|
|
ret = AVERROR_EOF;
|
|
else
|
|
ret = AVERROR(EAGAIN);
|
|
}
|
|
|
|
pthread_mutex_unlock(&f->fifo_lock);
|
|
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
static int get_input_packet(InputFile *f, AVPacket *pkt)
|
|
{
|
|
#if HAVE_PTHREADS
|
|
if (nb_input_files > 1)
|
|
return get_input_packet_mt(f, pkt);
|
|
#endif
|
|
return av_read_frame(f->ctx, pkt);
|
|
}
|
|
|
|
/*
|
|
* The following code is the main loop of the file converter
|
|
*/
|
|
static int transcode(void)
|
|
{
|
|
int ret, i;
|
|
AVFormatContext *is, *os;
|
|
OutputStream *ost;
|
|
InputStream *ist;
|
|
uint8_t *no_packet;
|
|
int no_packet_count = 0;
|
|
int64_t timer_start;
|
|
|
|
if (!(no_packet = av_mallocz(nb_input_files)))
|
|
exit_program(1);
|
|
|
|
ret = transcode_init();
|
|
if (ret < 0)
|
|
goto fail;
|
|
|
|
av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
|
|
term_init();
|
|
|
|
timer_start = av_gettime();
|
|
|
|
#if HAVE_PTHREADS
|
|
if ((ret = init_input_threads()) < 0)
|
|
goto fail;
|
|
#endif
|
|
|
|
for (; received_sigterm == 0;) {
|
|
int file_index, ist_index;
|
|
AVPacket pkt;
|
|
|
|
/* check if there's any stream where output is still needed */
|
|
if (!need_output()) {
|
|
av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
|
|
break;
|
|
}
|
|
|
|
/* select the stream that we must read now */
|
|
file_index = select_input_file(no_packet);
|
|
/* if none, if is finished */
|
|
if (file_index < 0) {
|
|
if (no_packet_count) {
|
|
no_packet_count = 0;
|
|
memset(no_packet, 0, nb_input_files);
|
|
av_usleep(10000);
|
|
continue;
|
|
}
|
|
av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
|
|
break;
|
|
}
|
|
|
|
is = input_files[file_index]->ctx;
|
|
ret = get_input_packet(input_files[file_index], &pkt);
|
|
|
|
if (ret == AVERROR(EAGAIN)) {
|
|
no_packet[file_index] = 1;
|
|
no_packet_count++;
|
|
continue;
|
|
}
|
|
if (ret < 0) {
|
|
input_files[file_index]->eof_reached = 1;
|
|
|
|
for (i = 0; i < input_files[file_index]->nb_streams; i++) {
|
|
ist = input_streams[input_files[file_index]->ist_index + i];
|
|
if (ist->decoding_needed)
|
|
output_packet(ist, NULL);
|
|
}
|
|
|
|
if (opt_shortest)
|
|
break;
|
|
else
|
|
continue;
|
|
}
|
|
|
|
no_packet_count = 0;
|
|
memset(no_packet, 0, nb_input_files);
|
|
|
|
if (do_pkt_dump) {
|
|
av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
|
|
is->streams[pkt.stream_index]);
|
|
}
|
|
/* the following test is needed in case new streams appear
|
|
dynamically in stream : we ignore them */
|
|
if (pkt.stream_index >= input_files[file_index]->nb_streams)
|
|
goto discard_packet;
|
|
ist_index = input_files[file_index]->ist_index + pkt.stream_index;
|
|
ist = input_streams[ist_index];
|
|
if (ist->discard)
|
|
goto discard_packet;
|
|
|
|
if (pkt.dts != AV_NOPTS_VALUE)
|
|
pkt.dts += av_rescale_q(input_files[ist->file_index]->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
|
|
if (pkt.pts != AV_NOPTS_VALUE)
|
|
pkt.pts += av_rescale_q(input_files[ist->file_index]->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
|
|
|
|
if (pkt.pts != AV_NOPTS_VALUE)
|
|
pkt.pts *= ist->ts_scale;
|
|
if (pkt.dts != AV_NOPTS_VALUE)
|
|
pkt.dts *= ist->ts_scale;
|
|
|
|
//fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n",
|
|
// ist->next_dts,
|
|
// pkt.dts, input_files[ist->file_index].ts_offset,
|
|
// ist->st->codec->codec_type);
|
|
if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE
|
|
&& (is->iformat->flags & AVFMT_TS_DISCONT)) {
|
|
int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
|
|
int64_t delta = pkt_dts - ist->next_dts;
|
|
if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
|
|
input_files[ist->file_index]->ts_offset -= delta;
|
|
av_log(NULL, AV_LOG_DEBUG,
|
|
"timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
|
|
delta, input_files[ist->file_index]->ts_offset);
|
|
pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
|
|
if (pkt.pts != AV_NOPTS_VALUE)
|
|
pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
|
|
}
|
|
}
|
|
|
|
// fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
|
|
if (output_packet(ist, &pkt) < 0 || poll_filters() < 0) {
|
|
av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
|
|
ist->file_index, ist->st->index);
|
|
if (exit_on_error)
|
|
exit_program(1);
|
|
av_free_packet(&pkt);
|
|
continue;
|
|
}
|
|
|
|
discard_packet:
|
|
av_free_packet(&pkt);
|
|
|
|
/* dump report by using the output first video and audio streams */
|
|
print_report(0, timer_start);
|
|
}
|
|
#if HAVE_PTHREADS
|
|
free_input_threads();
|
|
#endif
|
|
|
|
/* at the end of stream, we must flush the decoder buffers */
|
|
for (i = 0; i < nb_input_streams; i++) {
|
|
ist = input_streams[i];
|
|
if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
|
|
output_packet(ist, NULL);
|
|
}
|
|
}
|
|
poll_filters();
|
|
flush_encoders();
|
|
|
|
term_exit();
|
|
|
|
/* write the trailer if needed and close file */
|
|
for (i = 0; i < nb_output_files; i++) {
|
|
os = output_files[i]->ctx;
|
|
av_write_trailer(os);
|
|
}
|
|
|
|
/* dump report by using the first video and audio streams */
|
|
print_report(1, timer_start);
|
|
|
|
/* close each encoder */
|
|
for (i = 0; i < nb_output_streams; i++) {
|
|
ost = output_streams[i];
|
|
if (ost->encoding_needed) {
|
|
av_freep(&ost->st->codec->stats_in);
|
|
avcodec_close(ost->st->codec);
|
|
}
|
|
}
|
|
|
|
/* close each decoder */
|
|
for (i = 0; i < nb_input_streams; i++) {
|
|
ist = input_streams[i];
|
|
if (ist->decoding_needed) {
|
|
avcodec_close(ist->st->codec);
|
|
}
|
|
}
|
|
|
|
/* finished ! */
|
|
ret = 0;
|
|
|
|
fail:
|
|
av_freep(&no_packet);
|
|
#if HAVE_PTHREADS
|
|
free_input_threads();
|
|
#endif
|
|
|
|
if (output_streams) {
|
|
for (i = 0; i < nb_output_streams; i++) {
|
|
ost = output_streams[i];
|
|
if (ost) {
|
|
if (ost->stream_copy)
|
|
av_freep(&ost->st->codec->extradata);
|
|
if (ost->logfile) {
|
|
fclose(ost->logfile);
|
|
ost->logfile = NULL;
|
|
}
|
|
av_freep(&ost->st->codec->subtitle_header);
|
|
av_free(ost->forced_kf_pts);
|
|
av_dict_free(&ost->opts);
|
|
}
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static double parse_frame_aspect_ratio(const char *arg)
|
|
{
|
|
int x = 0, y = 0;
|
|
double ar = 0;
|
|
const char *p;
|
|
char *end;
|
|
|
|
p = strchr(arg, ':');
|
|
if (p) {
|
|
x = strtol(arg, &end, 10);
|
|
if (end == p)
|
|
y = strtol(end + 1, &end, 10);
|
|
if (x > 0 && y > 0)
|
|
ar = (double)x / (double)y;
|
|
} else
|
|
ar = strtod(arg, NULL);
|
|
|
|
if (!ar) {
|
|
av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
|
|
exit_program(1);
|
|
}
|
|
return ar;
|
|
}
|
|
|
|
static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
return parse_option(o, "codec:a", arg, options);
|
|
}
|
|
|
|
static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
return parse_option(o, "codec:v", arg, options);
|
|
}
|
|
|
|
static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
return parse_option(o, "codec:s", arg, options);
|
|
}
|
|
|
|
static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
return parse_option(o, "codec:d", arg, options);
|
|
}
|
|
|
|
static int opt_map(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
StreamMap *m = NULL;
|
|
int i, negative = 0, file_idx;
|
|
int sync_file_idx = -1, sync_stream_idx;
|
|
char *p, *sync;
|
|
char *map;
|
|
|
|
if (*arg == '-') {
|
|
negative = 1;
|
|
arg++;
|
|
}
|
|
map = av_strdup(arg);
|
|
|
|
/* parse sync stream first, just pick first matching stream */
|
|
if (sync = strchr(map, ',')) {
|
|
*sync = 0;
|
|
sync_file_idx = strtol(sync + 1, &sync, 0);
|
|
if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
|
|
exit_program(1);
|
|
}
|
|
if (*sync)
|
|
sync++;
|
|
for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
|
|
if (check_stream_specifier(input_files[sync_file_idx]->ctx,
|
|
input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
|
|
sync_stream_idx = i;
|
|
break;
|
|
}
|
|
if (i == input_files[sync_file_idx]->nb_streams) {
|
|
av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
|
|
"match any streams.\n", arg);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
|
|
if (map[0] == '[') {
|
|
/* this mapping refers to lavfi output */
|
|
const char *c = map + 1;
|
|
o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
|
|
&o->nb_stream_maps, o->nb_stream_maps + 1);
|
|
m = &o->stream_maps[o->nb_stream_maps - 1];
|
|
m->linklabel = av_get_token(&c, "]");
|
|
if (!m->linklabel) {
|
|
av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
|
|
exit_program(1);
|
|
}
|
|
} else {
|
|
file_idx = strtol(map, &p, 0);
|
|
if (file_idx >= nb_input_files || file_idx < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
|
|
exit_program(1);
|
|
}
|
|
if (negative)
|
|
/* disable some already defined maps */
|
|
for (i = 0; i < o->nb_stream_maps; i++) {
|
|
m = &o->stream_maps[i];
|
|
if (file_idx == m->file_index &&
|
|
check_stream_specifier(input_files[m->file_index]->ctx,
|
|
input_files[m->file_index]->ctx->streams[m->stream_index],
|
|
*p == ':' ? p + 1 : p) > 0)
|
|
m->disabled = 1;
|
|
}
|
|
else
|
|
for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
|
|
if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
|
|
*p == ':' ? p + 1 : p) <= 0)
|
|
continue;
|
|
o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
|
|
&o->nb_stream_maps, o->nb_stream_maps + 1);
|
|
m = &o->stream_maps[o->nb_stream_maps - 1];
|
|
|
|
m->file_index = file_idx;
|
|
m->stream_index = i;
|
|
|
|
if (sync_file_idx >= 0) {
|
|
m->sync_file_index = sync_file_idx;
|
|
m->sync_stream_index = sync_stream_idx;
|
|
} else {
|
|
m->sync_file_index = file_idx;
|
|
m->sync_stream_index = i;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!m) {
|
|
av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
|
|
exit_program(1);
|
|
}
|
|
|
|
av_freep(&map);
|
|
return 0;
|
|
}
|
|
|
|
static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
|
|
&o->nb_attachments, o->nb_attachments + 1);
|
|
o->attachments[o->nb_attachments - 1] = arg;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Parse a metadata specifier in arg.
|
|
* @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
|
|
* @param index for type c/p, chapter/program index is written here
|
|
* @param stream_spec for type s, the stream specifier is written here
|
|
*/
|
|
static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
|
|
{
|
|
if (*arg) {
|
|
*type = *arg;
|
|
switch (*arg) {
|
|
case 'g':
|
|
break;
|
|
case 's':
|
|
if (*(++arg) && *arg != ':') {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
|
|
exit_program(1);
|
|
}
|
|
*stream_spec = *arg == ':' ? arg + 1 : "";
|
|
break;
|
|
case 'c':
|
|
case 'p':
|
|
if (*(++arg) == ':')
|
|
*index = strtol(++arg, NULL, 0);
|
|
break;
|
|
default:
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
|
|
exit_program(1);
|
|
}
|
|
} else
|
|
*type = 'g';
|
|
}
|
|
|
|
static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
|
|
{
|
|
AVDictionary **meta_in = NULL;
|
|
AVDictionary **meta_out;
|
|
int i, ret = 0;
|
|
char type_in, type_out;
|
|
const char *istream_spec = NULL, *ostream_spec = NULL;
|
|
int idx_in = 0, idx_out = 0;
|
|
|
|
parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
|
|
parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
|
|
|
|
if (type_in == 'g' || type_out == 'g')
|
|
o->metadata_global_manual = 1;
|
|
if (type_in == 's' || type_out == 's')
|
|
o->metadata_streams_manual = 1;
|
|
if (type_in == 'c' || type_out == 'c')
|
|
o->metadata_chapters_manual = 1;
|
|
|
|
#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
|
|
if ((index) < 0 || (index) >= (nb_elems)) {\
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
|
|
(desc), (index));\
|
|
exit_program(1);\
|
|
}
|
|
|
|
#define SET_DICT(type, meta, context, index)\
|
|
switch (type) {\
|
|
case 'g':\
|
|
meta = &context->metadata;\
|
|
break;\
|
|
case 'c':\
|
|
METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
|
|
meta = &context->chapters[index]->metadata;\
|
|
break;\
|
|
case 'p':\
|
|
METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
|
|
meta = &context->programs[index]->metadata;\
|
|
break;\
|
|
default: av_assert0(0);\
|
|
}\
|
|
|
|
SET_DICT(type_in, meta_in, ic, idx_in);
|
|
SET_DICT(type_out, meta_out, oc, idx_out);
|
|
|
|
/* for input streams choose first matching stream */
|
|
if (type_in == 's') {
|
|
for (i = 0; i < ic->nb_streams; i++) {
|
|
if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
|
|
meta_in = &ic->streams[i]->metadata;
|
|
break;
|
|
} else if (ret < 0)
|
|
exit_program(1);
|
|
}
|
|
if (!meta_in) {
|
|
av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
if (type_out == 's') {
|
|
for (i = 0; i < oc->nb_streams; i++) {
|
|
if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
|
|
meta_out = &oc->streams[i]->metadata;
|
|
av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
|
|
} else if (ret < 0)
|
|
exit_program(1);
|
|
}
|
|
} else
|
|
av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
|
|
{
|
|
const char *codec_string = encoder ? "encoder" : "decoder";
|
|
AVCodec *codec;
|
|
|
|
codec = encoder ?
|
|
avcodec_find_encoder_by_name(name) :
|
|
avcodec_find_decoder_by_name(name);
|
|
if (!codec) {
|
|
av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
|
|
exit_program(1);
|
|
}
|
|
if (codec->type != type) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
|
|
exit_program(1);
|
|
}
|
|
return codec;
|
|
}
|
|
|
|
static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
|
|
{
|
|
char *codec_name = NULL;
|
|
|
|
MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
|
|
if (codec_name) {
|
|
AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
|
|
st->codec->codec_id = codec->id;
|
|
return codec;
|
|
} else
|
|
return avcodec_find_decoder(st->codec->codec_id);
|
|
}
|
|
|
|
/**
|
|
* Add all the streams from the given input file to the global
|
|
* list of input streams.
|
|
*/
|
|
static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < ic->nb_streams; i++) {
|
|
AVStream *st = ic->streams[i];
|
|
AVCodecContext *dec = st->codec;
|
|
InputStream *ist = av_mallocz(sizeof(*ist));
|
|
char *framerate = NULL;
|
|
|
|
if (!ist)
|
|
exit_program(1);
|
|
|
|
input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
|
|
input_streams[nb_input_streams - 1] = ist;
|
|
|
|
ist->st = st;
|
|
ist->file_index = nb_input_files;
|
|
ist->discard = 1;
|
|
st->discard = AVDISCARD_ALL;
|
|
ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
|
|
|
|
ist->ts_scale = 1.0;
|
|
MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
|
|
|
|
ist->dec = choose_decoder(o, ic, st);
|
|
|
|
switch (dec->codec_type) {
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
ist->resample_height = dec->height;
|
|
ist->resample_width = dec->width;
|
|
ist->resample_pix_fmt = dec->pix_fmt;
|
|
|
|
MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st);
|
|
if (framerate && av_parse_video_rate(&ist->framerate,
|
|
framerate) < 0) {
|
|
av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n",
|
|
framerate);
|
|
exit_program(1);
|
|
}
|
|
|
|
break;
|
|
case AVMEDIA_TYPE_AUDIO:
|
|
guess_input_channel_layout(ist);
|
|
|
|
ist->resample_sample_fmt = dec->sample_fmt;
|
|
ist->resample_sample_rate = dec->sample_rate;
|
|
ist->resample_channels = dec->channels;
|
|
ist->resample_channel_layout = dec->channel_layout;
|
|
|
|
break;
|
|
case AVMEDIA_TYPE_DATA:
|
|
case AVMEDIA_TYPE_SUBTITLE:
|
|
case AVMEDIA_TYPE_ATTACHMENT:
|
|
case AVMEDIA_TYPE_UNKNOWN:
|
|
break;
|
|
default:
|
|
abort();
|
|
}
|
|
}
|
|
}
|
|
|
|
static void assert_file_overwrite(const char *filename)
|
|
{
|
|
if (!file_overwrite &&
|
|
(strchr(filename, ':') == NULL || filename[1] == ':' ||
|
|
av_strstart(filename, "file:", NULL))) {
|
|
if (avio_check(filename, 0) == 0) {
|
|
if (!using_stdin) {
|
|
fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
|
|
fflush(stderr);
|
|
if (!read_yesno()) {
|
|
fprintf(stderr, "Not overwriting - exiting\n");
|
|
exit_program(1);
|
|
}
|
|
}
|
|
else {
|
|
fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void dump_attachment(AVStream *st, const char *filename)
|
|
{
|
|
int ret;
|
|
AVIOContext *out = NULL;
|
|
AVDictionaryEntry *e;
|
|
|
|
if (!st->codec->extradata_size) {
|
|
av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
|
|
nb_input_files - 1, st->index);
|
|
return;
|
|
}
|
|
if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
|
|
filename = e->value;
|
|
if (!*filename) {
|
|
av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
|
|
"in stream #%d:%d.\n", nb_input_files - 1, st->index);
|
|
exit_program(1);
|
|
}
|
|
|
|
assert_file_overwrite(filename);
|
|
|
|
if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
|
|
filename);
|
|
exit_program(1);
|
|
}
|
|
|
|
avio_write(out, st->codec->extradata, st->codec->extradata_size);
|
|
avio_flush(out);
|
|
avio_close(out);
|
|
}
|
|
|
|
static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
|
|
{
|
|
AVFormatContext *ic;
|
|
AVInputFormat *file_iformat = NULL;
|
|
int err, i, ret;
|
|
int64_t timestamp;
|
|
uint8_t buf[128];
|
|
AVDictionary **opts;
|
|
int orig_nb_streams; // number of streams before avformat_find_stream_info
|
|
|
|
if (o->format) {
|
|
if (!(file_iformat = av_find_input_format(o->format))) {
|
|
av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
if (!strcmp(filename, "-"))
|
|
filename = "pipe:";
|
|
|
|
using_stdin |= !strncmp(filename, "pipe:", 5) ||
|
|
!strcmp(filename, "/dev/stdin");
|
|
|
|
/* get default parameters from command line */
|
|
ic = avformat_alloc_context();
|
|
if (!ic) {
|
|
print_error(filename, AVERROR(ENOMEM));
|
|
exit_program(1);
|
|
}
|
|
if (o->nb_audio_sample_rate) {
|
|
snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
|
|
av_dict_set(&format_opts, "sample_rate", buf, 0);
|
|
}
|
|
if (o->nb_audio_channels) {
|
|
/* because we set audio_channels based on both the "ac" and
|
|
* "channel_layout" options, we need to check that the specified
|
|
* demuxer actually has the "channels" option before setting it */
|
|
if (file_iformat && file_iformat->priv_class &&
|
|
av_opt_find(&file_iformat->priv_class, "channels", NULL, 0,
|
|
AV_OPT_SEARCH_FAKE_OBJ)) {
|
|
snprintf(buf, sizeof(buf), "%d",
|
|
o->audio_channels[o->nb_audio_channels - 1].u.i);
|
|
av_dict_set(&format_opts, "channels", buf, 0);
|
|
}
|
|
}
|
|
if (o->nb_frame_rates) {
|
|
/* set the format-level framerate option;
|
|
* this is important for video grabbers, e.g. x11 */
|
|
if (file_iformat && file_iformat->priv_class &&
|
|
av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0,
|
|
AV_OPT_SEARCH_FAKE_OBJ)) {
|
|
av_dict_set(&format_opts, "framerate",
|
|
o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
|
|
}
|
|
}
|
|
if (o->nb_frame_sizes) {
|
|
av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
|
|
}
|
|
if (o->nb_frame_pix_fmts)
|
|
av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
|
|
|
|
ic->flags |= AVFMT_FLAG_NONBLOCK;
|
|
ic->interrupt_callback = int_cb;
|
|
|
|
/* open the input file with generic libav function */
|
|
err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
|
|
if (err < 0) {
|
|
print_error(filename, err);
|
|
exit_program(1);
|
|
}
|
|
assert_avoptions(format_opts);
|
|
|
|
/* apply forced codec ids */
|
|
for (i = 0; i < ic->nb_streams; i++)
|
|
choose_decoder(o, ic, ic->streams[i]);
|
|
|
|
/* Set AVCodecContext options for avformat_find_stream_info */
|
|
opts = setup_find_stream_info_opts(ic, codec_opts);
|
|
orig_nb_streams = ic->nb_streams;
|
|
|
|
/* If not enough info to get the stream parameters, we decode the
|
|
first frames to get it. (used in mpeg case for example) */
|
|
ret = avformat_find_stream_info(ic, opts);
|
|
if (ret < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
|
|
avformat_close_input(&ic);
|
|
exit_program(1);
|
|
}
|
|
|
|
timestamp = o->start_time;
|
|
/* add the stream start time */
|
|
if (ic->start_time != AV_NOPTS_VALUE)
|
|
timestamp += ic->start_time;
|
|
|
|
/* if seeking requested, we execute it */
|
|
if (o->start_time != 0) {
|
|
ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
|
|
if (ret < 0) {
|
|
av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
|
|
filename, (double)timestamp / AV_TIME_BASE);
|
|
}
|
|
}
|
|
|
|
/* update the current parameters so that they match the one of the input stream */
|
|
add_input_streams(o, ic);
|
|
|
|
/* dump the file content */
|
|
av_dump_format(ic, nb_input_files, filename, 0);
|
|
|
|
input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
|
|
if (!(input_files[nb_input_files - 1] = av_mallocz(sizeof(*input_files[0]))))
|
|
exit_program(1);
|
|
|
|
input_files[nb_input_files - 1]->ctx = ic;
|
|
input_files[nb_input_files - 1]->ist_index = nb_input_streams - ic->nb_streams;
|
|
input_files[nb_input_files - 1]->ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
|
|
input_files[nb_input_files - 1]->nb_streams = ic->nb_streams;
|
|
input_files[nb_input_files - 1]->rate_emu = o->rate_emu;
|
|
|
|
for (i = 0; i < o->nb_dump_attachment; i++) {
|
|
int j;
|
|
|
|
for (j = 0; j < ic->nb_streams; j++) {
|
|
AVStream *st = ic->streams[j];
|
|
|
|
if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
|
|
dump_attachment(st, o->dump_attachment[i].u.str);
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < orig_nb_streams; i++)
|
|
av_dict_free(&opts[i]);
|
|
av_freep(&opts);
|
|
|
|
reset_options(o);
|
|
return 0;
|
|
}
|
|
|
|
static uint8_t *get_line(AVIOContext *s)
|
|
{
|
|
AVIOContext *line;
|
|
uint8_t *buf;
|
|
char c;
|
|
|
|
if (avio_open_dyn_buf(&line) < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
while ((c = avio_r8(s)) && c != '\n')
|
|
avio_w8(line, c);
|
|
avio_w8(line, 0);
|
|
avio_close_dyn_buf(line, &buf);
|
|
|
|
return buf;
|
|
}
|
|
|
|
static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
|
|
{
|
|
int i, ret = 1;
|
|
char filename[1000];
|
|
const char *base[3] = { getenv("AVCONV_DATADIR"),
|
|
getenv("HOME"),
|
|
AVCONV_DATADIR,
|
|
};
|
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
|
|
if (!base[i])
|
|
continue;
|
|
if (codec_name) {
|
|
snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
|
|
i != 1 ? "" : "/.avconv", codec_name, preset_name);
|
|
ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
|
|
}
|
|
if (ret) {
|
|
snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
|
|
i != 1 ? "" : "/.avconv", preset_name);
|
|
ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
|
|
{
|
|
char *codec_name = NULL;
|
|
|
|
MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
|
|
if (!codec_name) {
|
|
ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
|
|
NULL, ost->st->codec->codec_type);
|
|
ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
|
|
} else if (!strcmp(codec_name, "copy"))
|
|
ost->stream_copy = 1;
|
|
else {
|
|
ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
|
|
ost->st->codec->codec_id = ost->enc->id;
|
|
}
|
|
}
|
|
|
|
static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
|
|
{
|
|
OutputStream *ost;
|
|
AVStream *st = avformat_new_stream(oc, NULL);
|
|
int idx = oc->nb_streams - 1, ret = 0;
|
|
char *bsf = NULL, *next, *codec_tag = NULL;
|
|
AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
|
|
double qscale = -1;
|
|
char *buf = NULL, *arg = NULL, *preset = NULL;
|
|
AVIOContext *s = NULL;
|
|
|
|
if (!st) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
if (oc->nb_streams - 1 < o->nb_streamid_map)
|
|
st->id = o->streamid_map[oc->nb_streams - 1];
|
|
|
|
output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
|
|
nb_output_streams + 1);
|
|
if (!(ost = av_mallocz(sizeof(*ost))))
|
|
exit_program(1);
|
|
output_streams[nb_output_streams - 1] = ost;
|
|
|
|
ost->file_index = nb_output_files;
|
|
ost->index = idx;
|
|
ost->st = st;
|
|
st->codec->codec_type = type;
|
|
choose_encoder(o, oc, ost);
|
|
if (ost->enc) {
|
|
ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
|
|
}
|
|
|
|
avcodec_get_context_defaults3(st->codec, ost->enc);
|
|
st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
|
|
|
|
MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
|
|
if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
|
|
do {
|
|
buf = get_line(s);
|
|
if (!buf[0] || buf[0] == '#') {
|
|
av_free(buf);
|
|
continue;
|
|
}
|
|
if (!(arg = strchr(buf, '='))) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
|
|
exit_program(1);
|
|
}
|
|
*arg++ = 0;
|
|
av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
|
|
av_free(buf);
|
|
} while (!s->eof_reached);
|
|
avio_close(s);
|
|
}
|
|
if (ret) {
|
|
av_log(NULL, AV_LOG_FATAL,
|
|
"Preset %s specified for stream %d:%d, but could not be opened.\n",
|
|
preset, ost->file_index, ost->index);
|
|
exit_program(1);
|
|
}
|
|
|
|
ost->max_frames = INT64_MAX;
|
|
MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
|
|
|
|
MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
|
|
while (bsf) {
|
|
if (next = strchr(bsf, ','))
|
|
*next++ = 0;
|
|
if (!(bsfc = av_bitstream_filter_init(bsf))) {
|
|
av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
|
|
exit_program(1);
|
|
}
|
|
if (bsfc_prev)
|
|
bsfc_prev->next = bsfc;
|
|
else
|
|
ost->bitstream_filters = bsfc;
|
|
|
|
bsfc_prev = bsfc;
|
|
bsf = next;
|
|
}
|
|
|
|
MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
|
|
if (codec_tag) {
|
|
uint32_t tag = strtol(codec_tag, &next, 0);
|
|
if (*next)
|
|
tag = AV_RL32(codec_tag);
|
|
st->codec->codec_tag = tag;
|
|
}
|
|
|
|
MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
|
|
if (qscale >= 0 || same_quant) {
|
|
st->codec->flags |= CODEC_FLAG_QSCALE;
|
|
st->codec->global_quality = FF_QP2LAMBDA * qscale;
|
|
}
|
|
|
|
if (oc->oformat->flags & AVFMT_GLOBALHEADER)
|
|
st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
|
|
|
|
av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
|
|
|
|
ost->pix_fmts[0] = ost->pix_fmts[1] = PIX_FMT_NONE;
|
|
|
|
return ost;
|
|
}
|
|
|
|
static void parse_matrix_coeffs(uint16_t *dest, const char *str)
|
|
{
|
|
int i;
|
|
const char *p = str;
|
|
for (i = 0;; i++) {
|
|
dest[i] = atoi(p);
|
|
if (i == 63)
|
|
break;
|
|
p = strchr(p, ',');
|
|
if (!p) {
|
|
av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
|
|
exit_program(1);
|
|
}
|
|
p++;
|
|
}
|
|
}
|
|
|
|
static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
|
|
{
|
|
AVStream *st;
|
|
OutputStream *ost;
|
|
AVCodecContext *video_enc;
|
|
|
|
ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
|
|
st = ost->st;
|
|
video_enc = st->codec;
|
|
|
|
if (!ost->stream_copy) {
|
|
const char *p = NULL;
|
|
char *frame_rate = NULL, *frame_size = NULL;
|
|
char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
|
|
char *intra_matrix = NULL, *inter_matrix = NULL;
|
|
const char *filters = "null";
|
|
int i;
|
|
|
|
MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
|
|
if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
|
|
exit_program(1);
|
|
}
|
|
|
|
MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
|
|
if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
|
|
exit_program(1);
|
|
}
|
|
|
|
MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
|
|
if (frame_aspect_ratio)
|
|
ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
|
|
|
|
MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
|
|
if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
|
|
av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
|
|
exit_program(1);
|
|
}
|
|
st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
|
|
|
|
MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
|
|
if (intra_matrix) {
|
|
if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
|
|
exit_program(1);
|
|
}
|
|
parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
|
|
}
|
|
MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
|
|
if (inter_matrix) {
|
|
if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
|
|
exit_program(1);
|
|
}
|
|
parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
|
|
}
|
|
|
|
MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
|
|
for (i = 0; p; i++) {
|
|
int start, end, q;
|
|
int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
|
|
if (e != 3) {
|
|
av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
|
|
exit_program(1);
|
|
}
|
|
video_enc->rc_override =
|
|
av_realloc(video_enc->rc_override,
|
|
sizeof(RcOverride) * (i + 1));
|
|
video_enc->rc_override[i].start_frame = start;
|
|
video_enc->rc_override[i].end_frame = end;
|
|
if (q > 0) {
|
|
video_enc->rc_override[i].qscale = q;
|
|
video_enc->rc_override[i].quality_factor = 1.0;
|
|
}
|
|
else {
|
|
video_enc->rc_override[i].qscale = 0;
|
|
video_enc->rc_override[i].quality_factor = -q/100.0;
|
|
}
|
|
p = strchr(p, '/');
|
|
if (p) p++;
|
|
}
|
|
video_enc->rc_override_count = i;
|
|
if (!video_enc->rc_initial_buffer_occupancy)
|
|
video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
|
|
video_enc->intra_dc_precision = intra_dc_precision - 8;
|
|
|
|
/* two pass mode */
|
|
if (do_pass) {
|
|
if (do_pass == 1) {
|
|
video_enc->flags |= CODEC_FLAG_PASS1;
|
|
} else {
|
|
video_enc->flags |= CODEC_FLAG_PASS2;
|
|
}
|
|
}
|
|
|
|
MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st);
|
|
if (ost->forced_keyframes)
|
|
ost->forced_keyframes = av_strdup(ost->forced_keyframes);
|
|
|
|
MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
|
|
|
|
ost->top_field_first = -1;
|
|
MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
|
|
|
|
MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
|
|
ost->avfilter = av_strdup(filters);
|
|
} else {
|
|
MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
|
|
}
|
|
|
|
return ost;
|
|
}
|
|
|
|
static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
|
|
{
|
|
AVStream *st;
|
|
OutputStream *ost;
|
|
AVCodecContext *audio_enc;
|
|
|
|
ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
|
|
st = ost->st;
|
|
|
|
audio_enc = st->codec;
|
|
audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
|
|
|
|
if (!ost->stream_copy) {
|
|
char *sample_fmt = NULL;
|
|
const char *filters = "anull";
|
|
|
|
MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
|
|
|
|
MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
|
|
if (sample_fmt &&
|
|
(audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
|
|
exit_program(1);
|
|
}
|
|
|
|
MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
|
|
|
|
MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
|
|
ost->avfilter = av_strdup(filters);
|
|
}
|
|
|
|
return ost;
|
|
}
|
|
|
|
static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
|
|
{
|
|
OutputStream *ost;
|
|
|
|
ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
|
|
if (!ost->stream_copy) {
|
|
av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
return ost;
|
|
}
|
|
|
|
static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
|
|
{
|
|
OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
|
|
ost->stream_copy = 1;
|
|
return ost;
|
|
}
|
|
|
|
static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
|
|
{
|
|
AVStream *st;
|
|
OutputStream *ost;
|
|
AVCodecContext *subtitle_enc;
|
|
|
|
ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
|
|
st = ost->st;
|
|
subtitle_enc = st->codec;
|
|
|
|
subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
|
|
|
|
return ost;
|
|
}
|
|
|
|
/* arg format is "output-stream-index:streamid-value". */
|
|
static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
int idx;
|
|
char *p;
|
|
char idx_str[16];
|
|
|
|
av_strlcpy(idx_str, arg, sizeof(idx_str));
|
|
p = strchr(idx_str, ':');
|
|
if (!p) {
|
|
av_log(NULL, AV_LOG_FATAL,
|
|
"Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
|
|
arg, opt);
|
|
exit_program(1);
|
|
}
|
|
*p++ = '\0';
|
|
idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
|
|
o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
|
|
o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
|
|
return 0;
|
|
}
|
|
|
|
static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
|
|
{
|
|
AVFormatContext *is = ifile->ctx;
|
|
AVFormatContext *os = ofile->ctx;
|
|
int i;
|
|
|
|
for (i = 0; i < is->nb_chapters; i++) {
|
|
AVChapter *in_ch = is->chapters[i], *out_ch;
|
|
int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
|
|
AV_TIME_BASE_Q, in_ch->time_base);
|
|
int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
|
|
av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
|
|
|
|
|
|
if (in_ch->end < ts_off)
|
|
continue;
|
|
if (rt != INT64_MAX && in_ch->start > rt + ts_off)
|
|
break;
|
|
|
|
out_ch = av_mallocz(sizeof(AVChapter));
|
|
if (!out_ch)
|
|
return AVERROR(ENOMEM);
|
|
|
|
out_ch->id = in_ch->id;
|
|
out_ch->time_base = in_ch->time_base;
|
|
out_ch->start = FFMAX(0, in_ch->start - ts_off);
|
|
out_ch->end = FFMIN(rt, in_ch->end - ts_off);
|
|
|
|
if (copy_metadata)
|
|
av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
|
|
|
|
os->nb_chapters++;
|
|
os->chapters = av_realloc(os->chapters, sizeof(AVChapter) * os->nb_chapters);
|
|
if (!os->chapters)
|
|
return AVERROR(ENOMEM);
|
|
os->chapters[os->nb_chapters - 1] = out_ch;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void init_output_filter(OutputFilter *ofilter, OptionsContext *o,
|
|
AVFormatContext *oc)
|
|
{
|
|
OutputStream *ost;
|
|
|
|
switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
|
|
ofilter->out_tmp->pad_idx)) {
|
|
case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
|
|
case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
|
|
default:
|
|
av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported "
|
|
"currently.\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
ost->source_index = -1;
|
|
ost->filter = ofilter;
|
|
|
|
ofilter->ost = ost;
|
|
|
|
if (ost->stream_copy) {
|
|
av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, "
|
|
"which is fed from a complex filtergraph. Filtering and streamcopy "
|
|
"cannot be used together.\n", ost->file_index, ost->index);
|
|
exit_program(1);
|
|
}
|
|
|
|
if (configure_output_filter(ofilter->graph, ofilter, ofilter->out_tmp) < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Error configuring filter.\n");
|
|
exit_program(1);
|
|
}
|
|
avfilter_inout_free(&ofilter->out_tmp);
|
|
}
|
|
|
|
static void opt_output_file(void *optctx, const char *filename)
|
|
{
|
|
OptionsContext *o = optctx;
|
|
AVFormatContext *oc;
|
|
int i, j, err;
|
|
AVOutputFormat *file_oformat;
|
|
OutputStream *ost;
|
|
InputStream *ist;
|
|
|
|
if (configure_complex_filters() < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Error configuring filters.\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
if (!strcmp(filename, "-"))
|
|
filename = "pipe:";
|
|
|
|
oc = avformat_alloc_context();
|
|
if (!oc) {
|
|
print_error(filename, AVERROR(ENOMEM));
|
|
exit_program(1);
|
|
}
|
|
|
|
if (o->format) {
|
|
file_oformat = av_guess_format(o->format, NULL, NULL);
|
|
if (!file_oformat) {
|
|
av_log(NULL, AV_LOG_FATAL, "Requested output format '%s' is not a suitable output format\n", o->format);
|
|
exit_program(1);
|
|
}
|
|
} else {
|
|
file_oformat = av_guess_format(NULL, filename, NULL);
|
|
if (!file_oformat) {
|
|
av_log(NULL, AV_LOG_FATAL, "Unable to find a suitable output format for '%s'\n",
|
|
filename);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
oc->oformat = file_oformat;
|
|
oc->interrupt_callback = int_cb;
|
|
av_strlcpy(oc->filename, filename, sizeof(oc->filename));
|
|
|
|
/* create streams for all unlabeled output pads */
|
|
for (i = 0; i < nb_filtergraphs; i++) {
|
|
FilterGraph *fg = filtergraphs[i];
|
|
for (j = 0; j < fg->nb_outputs; j++) {
|
|
OutputFilter *ofilter = fg->outputs[j];
|
|
|
|
if (!ofilter->out_tmp || ofilter->out_tmp->name)
|
|
continue;
|
|
|
|
switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
|
|
ofilter->out_tmp->pad_idx)) {
|
|
case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break;
|
|
case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break;
|
|
case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break;
|
|
}
|
|
init_output_filter(ofilter, o, oc);
|
|
}
|
|
}
|
|
|
|
if (!o->nb_stream_maps) {
|
|
/* pick the "best" stream of each type */
|
|
#define NEW_STREAM(type, index)\
|
|
if (index >= 0) {\
|
|
ost = new_ ## type ## _stream(o, oc);\
|
|
ost->source_index = index;\
|
|
ost->sync_ist = input_streams[index];\
|
|
input_streams[index]->discard = 0;\
|
|
input_streams[index]->st->discard = AVDISCARD_NONE;\
|
|
}
|
|
|
|
/* video: highest resolution */
|
|
if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
|
|
int area = 0, idx = -1;
|
|
for (i = 0; i < nb_input_streams; i++) {
|
|
ist = input_streams[i];
|
|
if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
|
|
ist->st->codec->width * ist->st->codec->height > area) {
|
|
area = ist->st->codec->width * ist->st->codec->height;
|
|
idx = i;
|
|
}
|
|
}
|
|
NEW_STREAM(video, idx);
|
|
}
|
|
|
|
/* audio: most channels */
|
|
if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
|
|
int channels = 0, idx = -1;
|
|
for (i = 0; i < nb_input_streams; i++) {
|
|
ist = input_streams[i];
|
|
if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
|
|
ist->st->codec->channels > channels) {
|
|
channels = ist->st->codec->channels;
|
|
idx = i;
|
|
}
|
|
}
|
|
NEW_STREAM(audio, idx);
|
|
}
|
|
|
|
/* subtitles: pick first */
|
|
if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
|
|
for (i = 0; i < nb_input_streams; i++)
|
|
if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
|
|
NEW_STREAM(subtitle, i);
|
|
break;
|
|
}
|
|
}
|
|
/* do something with data? */
|
|
} else {
|
|
for (i = 0; i < o->nb_stream_maps; i++) {
|
|
StreamMap *map = &o->stream_maps[i];
|
|
|
|
if (map->disabled)
|
|
continue;
|
|
|
|
if (map->linklabel) {
|
|
FilterGraph *fg;
|
|
OutputFilter *ofilter = NULL;
|
|
int j, k;
|
|
|
|
for (j = 0; j < nb_filtergraphs; j++) {
|
|
fg = filtergraphs[j];
|
|
for (k = 0; k < fg->nb_outputs; k++) {
|
|
AVFilterInOut *out = fg->outputs[k]->out_tmp;
|
|
if (out && !strcmp(out->name, map->linklabel)) {
|
|
ofilter = fg->outputs[k];
|
|
goto loop_end;
|
|
}
|
|
}
|
|
}
|
|
loop_end:
|
|
if (!ofilter) {
|
|
av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
|
|
"in any defined filter graph.\n", map->linklabel);
|
|
exit_program(1);
|
|
}
|
|
init_output_filter(ofilter, o, oc);
|
|
} else {
|
|
ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
|
|
switch (ist->st->codec->codec_type) {
|
|
case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
|
|
case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
|
|
case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
|
|
case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
|
|
case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
|
|
default:
|
|
av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
|
|
map->file_index, map->stream_index);
|
|
exit_program(1);
|
|
}
|
|
|
|
ost->source_index = input_files[map->file_index]->ist_index + map->stream_index;
|
|
ost->sync_ist = input_streams[input_files[map->sync_file_index]->ist_index +
|
|
map->sync_stream_index];
|
|
ist->discard = 0;
|
|
ist->st->discard = AVDISCARD_NONE;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* handle attached files */
|
|
for (i = 0; i < o->nb_attachments; i++) {
|
|
AVIOContext *pb;
|
|
uint8_t *attachment;
|
|
const char *p;
|
|
int64_t len;
|
|
|
|
if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
|
|
o->attachments[i]);
|
|
exit_program(1);
|
|
}
|
|
if ((len = avio_size(pb)) <= 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
|
|
o->attachments[i]);
|
|
exit_program(1);
|
|
}
|
|
if (!(attachment = av_malloc(len))) {
|
|
av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
|
|
o->attachments[i]);
|
|
exit_program(1);
|
|
}
|
|
avio_read(pb, attachment, len);
|
|
|
|
ost = new_attachment_stream(o, oc);
|
|
ost->stream_copy = 0;
|
|
ost->source_index = -1;
|
|
ost->attachment_filename = o->attachments[i];
|
|
ost->st->codec->extradata = attachment;
|
|
ost->st->codec->extradata_size = len;
|
|
|
|
p = strrchr(o->attachments[i], '/');
|
|
av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
|
|
avio_close(pb);
|
|
}
|
|
|
|
output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
|
|
if (!(output_files[nb_output_files - 1] = av_mallocz(sizeof(*output_files[0]))))
|
|
exit_program(1);
|
|
|
|
output_files[nb_output_files - 1]->ctx = oc;
|
|
output_files[nb_output_files - 1]->ost_index = nb_output_streams - oc->nb_streams;
|
|
output_files[nb_output_files - 1]->recording_time = o->recording_time;
|
|
if (o->recording_time != INT64_MAX)
|
|
oc->duration = o->recording_time;
|
|
output_files[nb_output_files - 1]->start_time = o->start_time;
|
|
output_files[nb_output_files - 1]->limit_filesize = o->limit_filesize;
|
|
av_dict_copy(&output_files[nb_output_files - 1]->opts, format_opts, 0);
|
|
|
|
/* check filename in case of an image number is expected */
|
|
if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
|
|
if (!av_filename_number_test(oc->filename)) {
|
|
print_error(oc->filename, AVERROR(EINVAL));
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
if (!(oc->oformat->flags & AVFMT_NOFILE)) {
|
|
/* test if it already exists to avoid losing precious files */
|
|
assert_file_overwrite(filename);
|
|
|
|
/* open the file */
|
|
if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
|
|
&oc->interrupt_callback,
|
|
&output_files[nb_output_files - 1]->opts)) < 0) {
|
|
print_error(filename, err);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
if (o->mux_preload) {
|
|
uint8_t buf[64];
|
|
snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
|
|
av_dict_set(&output_files[nb_output_files - 1]->opts, "preload", buf, 0);
|
|
}
|
|
oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
|
|
oc->flags |= AVFMT_FLAG_NONBLOCK;
|
|
|
|
/* copy metadata */
|
|
for (i = 0; i < o->nb_metadata_map; i++) {
|
|
char *p;
|
|
int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
|
|
|
|
if (in_file_index < 0)
|
|
continue;
|
|
if (in_file_index >= nb_input_files) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
|
|
exit_program(1);
|
|
}
|
|
copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index]->ctx, o);
|
|
}
|
|
|
|
/* copy chapters */
|
|
if (o->chapters_input_file >= nb_input_files) {
|
|
if (o->chapters_input_file == INT_MAX) {
|
|
/* copy chapters from the first input file that has them*/
|
|
o->chapters_input_file = -1;
|
|
for (i = 0; i < nb_input_files; i++)
|
|
if (input_files[i]->ctx->nb_chapters) {
|
|
o->chapters_input_file = i;
|
|
break;
|
|
}
|
|
} else {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
|
|
o->chapters_input_file);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
if (o->chapters_input_file >= 0)
|
|
copy_chapters(input_files[o->chapters_input_file], output_files[nb_output_files - 1],
|
|
!o->metadata_chapters_manual);
|
|
|
|
/* copy global metadata by default */
|
|
if (!o->metadata_global_manual && nb_input_files)
|
|
av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata,
|
|
AV_DICT_DONT_OVERWRITE);
|
|
if (!o->metadata_streams_manual)
|
|
for (i = output_files[nb_output_files - 1]->ost_index; i < nb_output_streams; i++) {
|
|
InputStream *ist;
|
|
if (output_streams[i]->source_index < 0) /* this is true e.g. for attached files */
|
|
continue;
|
|
ist = input_streams[output_streams[i]->source_index];
|
|
av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
|
|
}
|
|
|
|
/* process manually set metadata */
|
|
for (i = 0; i < o->nb_metadata; i++) {
|
|
AVDictionary **m;
|
|
char type, *val;
|
|
const char *stream_spec;
|
|
int index = 0, j, ret;
|
|
|
|
val = strchr(o->metadata[i].u.str, '=');
|
|
if (!val) {
|
|
av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
|
|
o->metadata[i].u.str);
|
|
exit_program(1);
|
|
}
|
|
*val++ = 0;
|
|
|
|
parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
|
|
if (type == 's') {
|
|
for (j = 0; j < oc->nb_streams; j++) {
|
|
if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
|
|
av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
|
|
} else if (ret < 0)
|
|
exit_program(1);
|
|
}
|
|
}
|
|
else {
|
|
switch (type) {
|
|
case 'g':
|
|
m = &oc->metadata;
|
|
break;
|
|
case 'c':
|
|
if (index < 0 || index >= oc->nb_chapters) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
|
|
exit_program(1);
|
|
}
|
|
m = &oc->chapters[index]->metadata;
|
|
break;
|
|
default:
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
|
|
exit_program(1);
|
|
}
|
|
av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
|
|
}
|
|
}
|
|
|
|
reset_options(o);
|
|
}
|
|
|
|
/* same option as mencoder */
|
|
static int opt_pass(const char *opt, const char *arg)
|
|
{
|
|
do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
|
|
return 0;
|
|
}
|
|
|
|
static int64_t getutime(void)
|
|
{
|
|
#if HAVE_GETRUSAGE
|
|
struct rusage rusage;
|
|
|
|
getrusage(RUSAGE_SELF, &rusage);
|
|
return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
|
|
#elif HAVE_GETPROCESSTIMES
|
|
HANDLE proc;
|
|
FILETIME c, e, k, u;
|
|
proc = GetCurrentProcess();
|
|
GetProcessTimes(proc, &c, &e, &k, &u);
|
|
return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
|
|
#else
|
|
return av_gettime();
|
|
#endif
|
|
}
|
|
|
|
static int64_t getmaxrss(void)
|
|
{
|
|
#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
|
|
struct rusage rusage;
|
|
getrusage(RUSAGE_SELF, &rusage);
|
|
return (int64_t)rusage.ru_maxrss * 1024;
|
|
#elif HAVE_GETPROCESSMEMORYINFO
|
|
HANDLE proc;
|
|
PROCESS_MEMORY_COUNTERS memcounters;
|
|
proc = GetCurrentProcess();
|
|
memcounters.cb = sizeof(memcounters);
|
|
GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
|
|
return memcounters.PeakPagefileUsage;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
return parse_option(o, "q:a", arg, options);
|
|
}
|
|
|
|
static void show_usage(void)
|
|
{
|
|
printf("Hyper fast Audio and Video encoder\n");
|
|
printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
|
|
printf("\n");
|
|
}
|
|
|
|
static void show_help(void)
|
|
{
|
|
int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
|
|
av_log_set_callback(log_callback_help);
|
|
show_usage();
|
|
show_help_options(options, "Main options:\n",
|
|
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
|
|
show_help_options(options, "\nAdvanced options:\n",
|
|
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
|
|
OPT_EXPERT);
|
|
show_help_options(options, "\nVideo options:\n",
|
|
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
|
|
OPT_VIDEO);
|
|
show_help_options(options, "\nAdvanced Video options:\n",
|
|
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
|
|
OPT_VIDEO | OPT_EXPERT);
|
|
show_help_options(options, "\nAudio options:\n",
|
|
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
|
|
OPT_AUDIO);
|
|
show_help_options(options, "\nAdvanced Audio options:\n",
|
|
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
|
|
OPT_AUDIO | OPT_EXPERT);
|
|
show_help_options(options, "\nSubtitle options:\n",
|
|
OPT_SUBTITLE | OPT_GRAB,
|
|
OPT_SUBTITLE);
|
|
show_help_options(options, "\nAudio/Video grab options:\n",
|
|
OPT_GRAB,
|
|
OPT_GRAB);
|
|
printf("\n");
|
|
show_help_children(avcodec_get_class(), flags);
|
|
show_help_children(avformat_get_class(), flags);
|
|
show_help_children(sws_get_class(), flags);
|
|
}
|
|
|
|
static int opt_target(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
|
|
static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
|
|
|
|
if (!strncmp(arg, "pal-", 4)) {
|
|
norm = PAL;
|
|
arg += 4;
|
|
} else if (!strncmp(arg, "ntsc-", 5)) {
|
|
norm = NTSC;
|
|
arg += 5;
|
|
} else if (!strncmp(arg, "film-", 5)) {
|
|
norm = FILM;
|
|
arg += 5;
|
|
} else {
|
|
/* Try to determine PAL/NTSC by peeking in the input files */
|
|
if (nb_input_files) {
|
|
int i, j, fr;
|
|
for (j = 0; j < nb_input_files; j++) {
|
|
for (i = 0; i < input_files[j]->nb_streams; i++) {
|
|
AVCodecContext *c = input_files[j]->ctx->streams[i]->codec;
|
|
if (c->codec_type != AVMEDIA_TYPE_VIDEO)
|
|
continue;
|
|
fr = c->time_base.den * 1000 / c->time_base.num;
|
|
if (fr == 25000) {
|
|
norm = PAL;
|
|
break;
|
|
} else if ((fr == 29970) || (fr == 23976)) {
|
|
norm = NTSC;
|
|
break;
|
|
}
|
|
}
|
|
if (norm != UNKNOWN)
|
|
break;
|
|
}
|
|
}
|
|
if (norm != UNKNOWN)
|
|
av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
|
|
}
|
|
|
|
if (norm == UNKNOWN) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
|
|
av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
|
|
av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
if (!strcmp(arg, "vcd")) {
|
|
opt_video_codec(o, "c:v", "mpeg1video");
|
|
opt_audio_codec(o, "c:a", "mp2");
|
|
parse_option(o, "f", "vcd", options);
|
|
|
|
parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
|
|
parse_option(o, "r", frame_rates[norm], options);
|
|
opt_default("g", norm == PAL ? "15" : "18");
|
|
|
|
opt_default("b", "1150000");
|
|
opt_default("maxrate", "1150000");
|
|
opt_default("minrate", "1150000");
|
|
opt_default("bufsize", "327680"); // 40*1024*8;
|
|
|
|
opt_default("b:a", "224000");
|
|
parse_option(o, "ar", "44100", options);
|
|
parse_option(o, "ac", "2", options);
|
|
|
|
opt_default("packetsize", "2324");
|
|
opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
|
|
|
|
/* We have to offset the PTS, so that it is consistent with the SCR.
|
|
SCR starts at 36000, but the first two packs contain only padding
|
|
and the first pack from the other stream, respectively, may also have
|
|
been written before.
|
|
So the real data starts at SCR 36000+3*1200. */
|
|
o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
|
|
} else if (!strcmp(arg, "svcd")) {
|
|
|
|
opt_video_codec(o, "c:v", "mpeg2video");
|
|
opt_audio_codec(o, "c:a", "mp2");
|
|
parse_option(o, "f", "svcd", options);
|
|
|
|
parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
|
|
parse_option(o, "r", frame_rates[norm], options);
|
|
opt_default("g", norm == PAL ? "15" : "18");
|
|
|
|
opt_default("b", "2040000");
|
|
opt_default("maxrate", "2516000");
|
|
opt_default("minrate", "0"); // 1145000;
|
|
opt_default("bufsize", "1835008"); // 224*1024*8;
|
|
opt_default("flags", "+scan_offset");
|
|
|
|
|
|
opt_default("b:a", "224000");
|
|
parse_option(o, "ar", "44100", options);
|
|
|
|
opt_default("packetsize", "2324");
|
|
|
|
} else if (!strcmp(arg, "dvd")) {
|
|
|
|
opt_video_codec(o, "c:v", "mpeg2video");
|
|
opt_audio_codec(o, "c:a", "ac3");
|
|
parse_option(o, "f", "dvd", options);
|
|
|
|
parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
|
|
parse_option(o, "r", frame_rates[norm], options);
|
|
opt_default("g", norm == PAL ? "15" : "18");
|
|
|
|
opt_default("b", "6000000");
|
|
opt_default("maxrate", "9000000");
|
|
opt_default("minrate", "0"); // 1500000;
|
|
opt_default("bufsize", "1835008"); // 224*1024*8;
|
|
|
|
opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
|
|
opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
|
|
|
|
opt_default("b:a", "448000");
|
|
parse_option(o, "ar", "48000", options);
|
|
|
|
} else if (!strncmp(arg, "dv", 2)) {
|
|
|
|
parse_option(o, "f", "dv", options);
|
|
|
|
parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
|
|
parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
|
|
norm == PAL ? "yuv420p" : "yuv411p", options);
|
|
parse_option(o, "r", frame_rates[norm], options);
|
|
|
|
parse_option(o, "ar", "48000", options);
|
|
parse_option(o, "ac", "2", options);
|
|
|
|
} else {
|
|
av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int opt_vstats_file(const char *opt, const char *arg)
|
|
{
|
|
av_free (vstats_filename);
|
|
vstats_filename = av_strdup (arg);
|
|
return 0;
|
|
}
|
|
|
|
static int opt_vstats(const char *opt, const char *arg)
|
|
{
|
|
char filename[40];
|
|
time_t today2 = time(NULL);
|
|
struct tm *today = localtime(&today2);
|
|
|
|
snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
|
|
today->tm_sec);
|
|
return opt_vstats_file(opt, filename);
|
|
}
|
|
|
|
static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
return parse_option(o, "frames:v", arg, options);
|
|
}
|
|
|
|
static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
return parse_option(o, "frames:a", arg, options);
|
|
}
|
|
|
|
static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
return parse_option(o, "frames:d", arg, options);
|
|
}
|
|
|
|
static int opt_video_tag(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
return parse_option(o, "tag:v", arg, options);
|
|
}
|
|
|
|
static int opt_audio_tag(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
return parse_option(o, "tag:a", arg, options);
|
|
}
|
|
|
|
static int opt_subtitle_tag(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
return parse_option(o, "tag:s", arg, options);
|
|
}
|
|
|
|
static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
return parse_option(o, "filter:v", arg, options);
|
|
}
|
|
|
|
static int opt_audio_filters(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
return parse_option(o, "filter:a", arg, options);
|
|
}
|
|
|
|
static int opt_vsync(const char *opt, const char *arg)
|
|
{
|
|
if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
|
|
else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
|
|
else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
|
|
|
|
if (video_sync_method == VSYNC_AUTO)
|
|
video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
|
|
return 0;
|
|
}
|
|
|
|
static int opt_deinterlace(const char *opt, const char *arg)
|
|
{
|
|
av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
|
|
do_deinterlace = 1;
|
|
return 0;
|
|
}
|
|
|
|
static int opt_cpuflags(const char *opt, const char *arg)
|
|
{
|
|
int flags = av_parse_cpu_flags(arg);
|
|
|
|
if (flags < 0)
|
|
return flags;
|
|
|
|
av_set_cpu_flags_mask(flags);
|
|
return 0;
|
|
}
|
|
|
|
static void parse_cpuflags(int argc, char **argv, const OptionDef *options)
|
|
{
|
|
int idx = locate_option(argc, argv, options, "cpuflags");
|
|
if (idx && argv[idx + 1])
|
|
opt_cpuflags("cpuflags", argv[idx + 1]);
|
|
}
|
|
|
|
static int opt_channel_layout(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
char layout_str[32];
|
|
char *stream_str;
|
|
char *ac_str;
|
|
int ret, channels, ac_str_size;
|
|
uint64_t layout;
|
|
|
|
layout = av_get_channel_layout(arg);
|
|
if (!layout) {
|
|
av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout);
|
|
ret = opt_default(opt, layout_str);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* set 'ac' option based on channel layout */
|
|
channels = av_get_channel_layout_nb_channels(layout);
|
|
snprintf(layout_str, sizeof(layout_str), "%d", channels);
|
|
stream_str = strchr(opt, ':');
|
|
ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0);
|
|
ac_str = av_mallocz(ac_str_size);
|
|
if (!ac_str)
|
|
return AVERROR(ENOMEM);
|
|
av_strlcpy(ac_str, "ac", 3);
|
|
if (stream_str)
|
|
av_strlcat(ac_str, stream_str, ac_str_size);
|
|
ret = parse_option(o, ac_str, layout_str, options);
|
|
av_free(ac_str);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int opt_filter_complex(const char *opt, const char *arg)
|
|
{
|
|
filtergraphs = grow_array(filtergraphs, sizeof(*filtergraphs),
|
|
&nb_filtergraphs, nb_filtergraphs + 1);
|
|
if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
|
|
return AVERROR(ENOMEM);
|
|
filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
|
|
filtergraphs[nb_filtergraphs - 1]->graph_desc = arg;
|
|
return 0;
|
|
}
|
|
|
|
#define OFFSET(x) offsetof(OptionsContext, x)
|
|
static const OptionDef options[] = {
|
|
/* main options */
|
|
#include "cmdutils_common_opts.h"
|
|
{ "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
|
|
{ "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
|
|
{ "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
|
|
{ "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
|
|
{ "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
|
|
{ "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
|
|
{ "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
|
|
{ "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
|
|
"outfile[,metadata]:infile[,metadata]" },
|
|
{ "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
|
|
{ "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
|
|
{ "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
|
|
{ "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
|
|
{ "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
|
|
{ "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
|
|
{ "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
|
|
{ "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
|
|
{ "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
|
|
"add timings for benchmarking" },
|
|
{ "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
|
|
{ "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
|
|
"dump each input packet" },
|
|
{ "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
|
|
"when dumping packets, also dump the payload" },
|
|
{ "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
|
|
{ "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
|
|
{ "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
|
|
{ "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
|
|
{ "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
|
|
{ "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
|
|
{ "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
|
|
{ "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
|
|
{ "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
|
|
{ "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
|
|
{ "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
|
|
{ "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
|
|
{ "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
|
|
{ "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
|
|
{ "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
|
|
{ "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
|
|
{ "filter_complex", HAS_ARG | OPT_EXPERT, {(void*)opt_filter_complex}, "create a complex filtergraph", "graph_description" },
|
|
{ "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
|
|
{ "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
|
|
{ "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
|
|
{ "cpuflags", HAS_ARG | OPT_EXPERT, {(void*)opt_cpuflags}, "set CPU flags mask", "mask" },
|
|
|
|
/* video options */
|
|
{ "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
|
|
{ "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
|
|
{ "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
|
|
{ "aspect", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_aspect_ratios)}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
|
|
{ "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
|
|
{ "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
|
|
{ "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
|
|
{ "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
|
|
{ "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
|
|
{ "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
|
|
"use same quantizer as source (implies VBR)" },
|
|
{ "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
|
|
{ "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
|
|
{ "deinterlace", OPT_EXPERT | OPT_VIDEO, {(void*)opt_deinterlace},
|
|
"this option is deprecated, use the yadif filter instead" },
|
|
{ "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
|
|
{ "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
|
|
{ "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
|
|
{ "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
|
|
{ "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
|
|
{ "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
|
|
{ "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
|
|
{ "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
|
|
{ "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
|
|
{ "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
|
|
{ "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
|
|
{ "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(forced_key_frames)}, "force key frames at specified timestamps", "timestamps" },
|
|
|
|
/* audio options */
|
|
{ "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
|
|
{ "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
|
|
{ "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
|
|
{ "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
|
|
{ "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
|
|
{ "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
|
|
{ "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
|
|
{ "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
|
|
{ "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
|
|
{ "channel_layout", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_channel_layout}, "set channel layout", "layout" },
|
|
{ "af", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_filters}, "audio filters", "filter list" },
|
|
|
|
/* subtitle options */
|
|
{ "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
|
|
{ "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
|
|
{ "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
|
|
|
|
/* grab options */
|
|
{ "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
|
|
|
|
/* muxer options */
|
|
{ "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
|
|
{ "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
|
|
|
|
{ "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
|
|
|
|
/* data codec support */
|
|
{ "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
|
|
|
|
{ "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
|
|
{ NULL, },
|
|
};
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
OptionsContext o = { 0 };
|
|
int64_t ti;
|
|
|
|
reset_options(&o);
|
|
|
|
av_log_set_flags(AV_LOG_SKIP_REPEATED);
|
|
parse_loglevel(argc, argv, options);
|
|
|
|
avcodec_register_all();
|
|
#if CONFIG_AVDEVICE
|
|
avdevice_register_all();
|
|
#endif
|
|
avfilter_register_all();
|
|
av_register_all();
|
|
avformat_network_init();
|
|
|
|
show_banner();
|
|
|
|
parse_cpuflags(argc, argv, options);
|
|
|
|
/* parse options */
|
|
parse_options(&o, argc, argv, options, opt_output_file);
|
|
|
|
if (nb_output_files <= 0 && nb_input_files == 0) {
|
|
show_usage();
|
|
av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
|
|
exit_program(1);
|
|
}
|
|
|
|
/* file converter / grab */
|
|
if (nb_output_files <= 0) {
|
|
fprintf(stderr, "At least one output file must be specified\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
if (nb_input_files == 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
ti = getutime();
|
|
if (transcode() < 0)
|
|
exit_program(1);
|
|
ti = getutime() - ti;
|
|
if (do_benchmark) {
|
|
int maxrss = getmaxrss() / 1024;
|
|
printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
|
|
}
|
|
|
|
exit_program(0);
|
|
return 0;
|
|
}
|