3967 lines
141 KiB
C
3967 lines
141 KiB
C
/*
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* FFmpeg main
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* Copyright (c) 2000-2003 Fabrice Bellard
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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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/* needed for usleep() */
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#define _XOPEN_SOURCE 600
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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 <unistd.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 "libavcodec/opt.h"
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#include "libavcodec/audioconvert.h"
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#include "libavcodec/colorspace.h"
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#include "libavutil/fifo.h"
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#include "libavutil/avstring.h"
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#include "libavformat/os_support.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_SYS_SELECT_H
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#include <sys/select.h>
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#endif
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#if HAVE_TERMIOS_H
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <sys/time.h>
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#include <termios.h>
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#elif HAVE_CONIO_H
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#include <conio.h>
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#endif
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#undef time //needed because HAVE_AV_CONFIG_H is defined on top
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#include <time.h>
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#include "cmdutils.h"
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#undef NDEBUG
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#include <assert.h>
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#undef exit
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const char program_name[] = "FFmpeg";
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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 AVStreamMap {
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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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} AVStreamMap;
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/** select an input file for an output file */
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typedef struct AVMetaDataMap {
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int out_file;
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int in_file;
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} AVMetaDataMap;
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static const OptionDef options[];
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#define MAX_FILES 20
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static AVFormatContext *input_files[MAX_FILES];
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static int64_t input_files_ts_offset[MAX_FILES];
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static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
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static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
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static int nb_input_files = 0;
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static int nb_icodecs;
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static AVFormatContext *output_files[MAX_FILES];
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static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
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static int nb_output_files = 0;
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static int nb_ocodecs;
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static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
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static int nb_stream_maps;
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static AVMetaDataMap meta_data_maps[MAX_FILES];
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static int nb_meta_data_maps;
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static AVInputFormat *file_iformat;
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static AVOutputFormat *file_oformat;
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static int frame_width = 0;
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static int frame_height = 0;
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static float frame_aspect_ratio = 0;
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static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
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static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
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static int frame_padtop = 0;
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static int frame_padbottom = 0;
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static int frame_padleft = 0;
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static int frame_padright = 0;
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static int padcolor[3] = {16,128,128}; /* default to black */
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static int frame_topBand = 0;
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static int frame_bottomBand = 0;
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static int frame_leftBand = 0;
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static int frame_rightBand = 0;
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static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
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static AVRational frame_rate;
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static float video_qscale = 0;
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static uint16_t *intra_matrix = NULL;
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static uint16_t *inter_matrix = NULL;
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#if 0 //experimental, (can be removed)
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static float video_rc_qsquish=1.0;
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static float video_rc_qmod_amp=0;
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static int video_rc_qmod_freq=0;
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#endif
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static const char *video_rc_override_string=NULL;
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static int video_disable = 0;
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static int video_discard = 0;
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static char *video_codec_name = NULL;
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static int video_codec_tag = 0;
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static int same_quality = 0;
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static int do_deinterlace = 0;
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static int top_field_first = -1;
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static int me_threshold = 0;
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static int intra_dc_precision = 8;
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static int loop_input = 0;
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static int loop_output = AVFMT_NOOUTPUTLOOP;
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static int qp_hist = 0;
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static int intra_only = 0;
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static int audio_sample_rate = 44100;
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static int64_t channel_layout = 0;
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#define QSCALE_NONE -99999
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static float audio_qscale = QSCALE_NONE;
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static int audio_disable = 0;
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static int audio_channels = 1;
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static char *audio_codec_name = NULL;
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static int audio_codec_tag = 0;
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static char *audio_language = NULL;
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static int subtitle_disable = 0;
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static char *subtitle_codec_name = NULL;
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static char *subtitle_language = NULL;
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static int subtitle_codec_tag = 0;
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static float mux_preload= 0.5;
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static float mux_max_delay= 0.7;
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static int64_t recording_time = INT64_MAX;
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static int64_t start_time = 0;
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static int64_t rec_timestamp = 0;
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static int64_t input_ts_offset = 0;
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static int file_overwrite = 0;
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static int metadata_count;
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static AVMetadataTag *metadata;
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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_psnr = 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 audio_stream_copy = 0;
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static int video_stream_copy = 0;
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static int subtitle_stream_copy = 0;
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static int video_sync_method= -1;
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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 opt_shortest = 0;
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static int video_global_header = 0;
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static char *vstats_filename;
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static FILE *vstats_file;
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static int opt_programid = 0;
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static int copy_initial_nonkeyframes = 0;
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static int rate_emu = 0;
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static int video_channel = 0;
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static char *video_standard;
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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 int verbose = 1;
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static int thread_count= 1;
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static int q_pressed = 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 uint64_t limit_filesize = 0;
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static int force_fps = 0;
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static int pgmyuv_compatibility_hack=0;
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static float dts_delta_threshold = 10;
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static unsigned int sws_flags = SWS_BICUBIC;
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static int64_t timer_start;
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static uint8_t *audio_buf;
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static uint8_t *audio_out;
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static uint8_t *audio_out2;
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static short *samples;
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static AVBitStreamFilterContext *video_bitstream_filters=NULL;
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static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
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static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
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static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
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#define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
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struct AVInputStream;
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typedef struct AVOutputStream {
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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; /* AVInputStream 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 AVInputStream *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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/* video only */
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int video_resample;
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AVFrame pict_tmp; /* temporary image for resampling */
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struct SwsContext *img_resample_ctx; /* for image resampling */
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int resample_height;
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int video_crop;
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int topBand; /* cropping area sizes */
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int leftBand;
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int video_pad;
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int padtop; /* padding area sizes */
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int padbottom;
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int padleft;
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int padright;
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/* audio only */
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int audio_resample;
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ReSampleContext *resample; /* for audio resampling */
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int reformat_pair;
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AVAudioConvert *reformat_ctx;
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AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
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FILE *logfile;
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} AVOutputStream;
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typedef struct AVInputStream {
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int file_index;
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int 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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int64_t sample_index; /* current sample */
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int64_t start; /* time when read started */
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int64_t next_pts; /* synthetic pts for cases where pkt.pts
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is not defined */
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int64_t pts; /* current pts */
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int is_start; /* is 1 at the start and after a discontinuity */
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} AVInputStream;
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typedef struct AVInputFile {
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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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int nb_streams; /* nb streams we are aware of */
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} AVInputFile;
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#if HAVE_TERMIOS_H
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/* init terminal so that we can grab keys */
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static struct termios oldtty;
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#endif
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static void term_exit(void)
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{
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#if HAVE_TERMIOS_H
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tcsetattr (0, TCSANOW, &oldtty);
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#endif
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}
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static volatile sig_atomic_t received_sigterm = 0;
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static void
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sigterm_handler(int sig)
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{
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received_sigterm = sig;
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term_exit();
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}
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static void term_init(void)
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{
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#if HAVE_TERMIOS_H
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struct termios tty;
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tcgetattr (0, &tty);
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oldtty = tty;
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tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
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|INLCR|IGNCR|ICRNL|IXON);
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tty.c_oflag |= OPOST;
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tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
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tty.c_cflag &= ~(CSIZE|PARENB);
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tty.c_cflag |= CS8;
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tty.c_cc[VMIN] = 1;
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tty.c_cc[VTIME] = 0;
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tcsetattr (0, TCSANOW, &tty);
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signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
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#endif
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signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
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signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
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/*
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register a function to be called at normal program termination
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*/
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atexit(term_exit);
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#if CONFIG_BEOS_NETSERVER
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fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
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#endif
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}
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/* read a key without blocking */
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static int read_key(void)
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{
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#if HAVE_TERMIOS_H
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int n = 1;
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unsigned char ch;
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#if !CONFIG_BEOS_NETSERVER
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struct timeval tv;
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fd_set rfds;
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FD_ZERO(&rfds);
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FD_SET(0, &rfds);
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tv.tv_sec = 0;
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tv.tv_usec = 0;
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n = select(1, &rfds, NULL, NULL, &tv);
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#endif
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if (n > 0) {
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n = read(0, &ch, 1);
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if (n == 1)
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return ch;
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return n;
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}
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#elif HAVE_CONIO_H
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if(kbhit())
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return(getch());
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#endif
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return -1;
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}
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static int decode_interrupt_cb(void)
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{
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return q_pressed || (q_pressed = read_key() == 'q');
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}
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static int av_exit(int ret)
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{
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int i;
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/* close files */
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for(i=0;i<nb_output_files;i++) {
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/* maybe av_close_output_file ??? */
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AVFormatContext *s = output_files[i];
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int j;
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if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
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url_fclose(s->pb);
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for(j=0;j<s->nb_streams;j++) {
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av_metadata_free(&s->streams[j]->metadata);
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av_free(s->streams[j]->codec);
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av_free(s->streams[j]);
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}
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for(j=0;j<s->nb_programs;j++) {
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av_metadata_free(&s->programs[j]->metadata);
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}
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for(j=0;j<s->nb_chapters;j++) {
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av_metadata_free(&s->chapters[j]->metadata);
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}
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av_metadata_free(&s->metadata);
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av_free(s);
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}
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for(i=0;i<nb_input_files;i++)
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av_close_input_file(input_files[i]);
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av_free(intra_matrix);
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av_free(inter_matrix);
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if (vstats_file)
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fclose(vstats_file);
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av_free(vstats_filename);
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av_free(opt_names);
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av_free(video_codec_name);
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av_free(audio_codec_name);
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av_free(subtitle_codec_name);
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av_free(video_standard);
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#if CONFIG_POWERPC_PERF
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void powerpc_display_perf_report(void);
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powerpc_display_perf_report();
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#endif /* CONFIG_POWERPC_PERF */
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for (i=0;i<CODEC_TYPE_NB;i++)
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av_free(avcodec_opts[i]);
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av_free(avformat_opts);
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av_free(sws_opts);
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av_free(audio_buf);
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av_free(audio_out);
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av_free(audio_out2);
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av_free(samples);
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if (received_sigterm) {
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fprintf(stderr,
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"Received signal %d: terminating.\n",
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(int) received_sigterm);
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exit (255);
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}
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exit(ret); /* not all OS-es handle main() return value */
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return ret;
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}
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static int read_ffserver_streams(AVFormatContext *s, const char *filename)
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{
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int i, err;
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AVFormatContext *ic;
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int nopts = 0;
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err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
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if (err < 0)
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return err;
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/* copy stream format */
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s->nb_streams = ic->nb_streams;
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for(i=0;i<ic->nb_streams;i++) {
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AVStream *st;
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// FIXME: a more elegant solution is needed
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st = av_mallocz(sizeof(AVStream));
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memcpy(st, ic->streams[i], sizeof(AVStream));
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st->codec = avcodec_alloc_context();
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memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
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s->streams[i] = st;
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if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
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st->stream_copy = 1;
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else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
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st->stream_copy = 1;
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if(!st->codec->thread_count)
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st->codec->thread_count = 1;
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if(st->codec->thread_count>1)
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avcodec_thread_init(st->codec, st->codec->thread_count);
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if(st->codec->flags & CODEC_FLAG_BITEXACT)
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nopts = 1;
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}
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if (!nopts)
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s->timestamp = av_gettime();
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av_close_input_file(ic);
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return 0;
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}
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|
|
static double
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get_sync_ipts(const AVOutputStream *ost)
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{
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const AVInputStream *ist = ost->sync_ist;
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return (double)(ist->pts - start_time)/AV_TIME_BASE;
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}
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|
|
static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
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int ret;
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|
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while(bsfc){
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AVPacket new_pkt= *pkt;
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int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
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&new_pkt.data, &new_pkt.size,
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pkt->data, pkt->size,
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pkt->flags & PKT_FLAG_KEY);
|
|
if(a>0){
|
|
av_free_packet(pkt);
|
|
new_pkt.destruct= av_destruct_packet;
|
|
} else if(a<0){
|
|
fprintf(stderr, "%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)
|
|
av_exit(1);
|
|
}
|
|
*pkt= new_pkt;
|
|
|
|
bsfc= bsfc->next;
|
|
}
|
|
|
|
ret= av_interleaved_write_frame(s, pkt);
|
|
if(ret < 0){
|
|
print_error("av_interleaved_write_frame()", ret);
|
|
av_exit(1);
|
|
}
|
|
}
|
|
|
|
#define MAX_AUDIO_PACKET_SIZE (128 * 1024)
|
|
|
|
static void do_audio_out(AVFormatContext *s,
|
|
AVOutputStream *ost,
|
|
AVInputStream *ist,
|
|
unsigned char *buf, int size)
|
|
{
|
|
uint8_t *buftmp;
|
|
const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
|
|
|
|
int size_out, frame_bytes, ret;
|
|
AVCodecContext *enc= ost->st->codec;
|
|
AVCodecContext *dec= ist->st->codec;
|
|
int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
|
|
int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
|
|
|
|
/* SC: dynamic allocation of buffers */
|
|
if (!audio_buf)
|
|
audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
|
|
if (!audio_out)
|
|
audio_out = av_malloc(audio_out_size);
|
|
if (!audio_buf || !audio_out)
|
|
return; /* Should signal an error ! */
|
|
|
|
if (enc->channels != dec->channels)
|
|
ost->audio_resample = 1;
|
|
|
|
if (ost->audio_resample && !ost->resample) {
|
|
if (dec->sample_fmt != SAMPLE_FMT_S16)
|
|
fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
|
|
ost->resample = av_audio_resample_init(enc->channels, dec->channels,
|
|
enc->sample_rate, dec->sample_rate,
|
|
enc->sample_fmt, dec->sample_fmt,
|
|
16, 10, 0, 0.8);
|
|
if (!ost->resample) {
|
|
fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
|
|
dec->channels, dec->sample_rate,
|
|
enc->channels, enc->sample_rate);
|
|
av_exit(1);
|
|
}
|
|
}
|
|
|
|
#define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
|
|
if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
|
|
MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
|
|
if (!audio_out2)
|
|
audio_out2 = av_malloc(audio_out_size);
|
|
if (!audio_out2)
|
|
av_exit(1);
|
|
if (ost->reformat_ctx)
|
|
av_audio_convert_free(ost->reformat_ctx);
|
|
ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
|
|
dec->sample_fmt, 1, NULL, 0);
|
|
if (!ost->reformat_ctx) {
|
|
fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
|
|
avcodec_get_sample_fmt_name(dec->sample_fmt),
|
|
avcodec_get_sample_fmt_name(enc->sample_fmt));
|
|
av_exit(1);
|
|
}
|
|
ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
|
|
}
|
|
|
|
if(audio_sync_method){
|
|
double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
|
|
- av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
|
|
double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
|
|
int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
|
|
|
|
//FIXME resample delay
|
|
if(fabs(delta) > 50){
|
|
if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
|
|
if(byte_delta < 0){
|
|
byte_delta= FFMAX(byte_delta, -size);
|
|
size += byte_delta;
|
|
buf -= byte_delta;
|
|
if(verbose > 2)
|
|
fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
|
|
if(!size)
|
|
return;
|
|
ist->is_start=0;
|
|
}else{
|
|
static uint8_t *input_tmp= NULL;
|
|
input_tmp= av_realloc(input_tmp, byte_delta + size);
|
|
|
|
if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
|
|
ist->is_start=0;
|
|
else
|
|
byte_delta= MAX_AUDIO_PACKET_SIZE - size;
|
|
|
|
memset(input_tmp, 0, byte_delta);
|
|
memcpy(input_tmp + byte_delta, buf, size);
|
|
buf= input_tmp;
|
|
size += byte_delta;
|
|
if(verbose > 2)
|
|
fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
|
|
}
|
|
}else if(audio_sync_method>1){
|
|
int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
|
|
assert(ost->audio_resample);
|
|
if(verbose > 2)
|
|
fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
|
|
// fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2));
|
|
av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
|
|
}
|
|
}
|
|
}else
|
|
ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
|
|
- av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
|
|
|
|
if (ost->audio_resample) {
|
|
buftmp = audio_buf;
|
|
size_out = audio_resample(ost->resample,
|
|
(short *)buftmp, (short *)buf,
|
|
size / (ist->st->codec->channels * isize));
|
|
size_out = size_out * enc->channels * osize;
|
|
} else {
|
|
buftmp = buf;
|
|
size_out = size;
|
|
}
|
|
|
|
if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
|
|
const void *ibuf[6]= {buftmp};
|
|
void *obuf[6]= {audio_out2};
|
|
int istride[6]= {isize};
|
|
int ostride[6]= {osize};
|
|
int len= size_out/istride[0];
|
|
if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
|
|
printf("av_audio_convert() failed\n");
|
|
if (exit_on_error)
|
|
av_exit(1);
|
|
return;
|
|
}
|
|
buftmp = audio_out2;
|
|
size_out = len*osize;
|
|
}
|
|
|
|
/* now encode as many frames as possible */
|
|
if (enc->frame_size > 1) {
|
|
/* output resampled raw samples */
|
|
if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
|
|
fprintf(stderr, "av_fifo_realloc2() failed\n");
|
|
av_exit(1);
|
|
}
|
|
av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
|
|
|
|
frame_bytes = enc->frame_size * osize * enc->channels;
|
|
|
|
while (av_fifo_size(ost->fifo) >= frame_bytes) {
|
|
AVPacket pkt;
|
|
av_init_packet(&pkt);
|
|
|
|
av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
|
|
|
|
//FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
|
|
|
|
ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
|
|
(short *)audio_buf);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "Audio encoding failed\n");
|
|
av_exit(1);
|
|
}
|
|
audio_size += ret;
|
|
pkt.stream_index= ost->index;
|
|
pkt.data= audio_out;
|
|
pkt.size= ret;
|
|
if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
|
|
pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
|
|
pkt.flags |= PKT_FLAG_KEY;
|
|
write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
|
|
|
|
ost->sync_opts += enc->frame_size;
|
|
}
|
|
} else {
|
|
AVPacket pkt;
|
|
int coded_bps = av_get_bits_per_sample(enc->codec->id)/8;
|
|
av_init_packet(&pkt);
|
|
|
|
ost->sync_opts += size_out / (osize * enc->channels);
|
|
|
|
/* output a pcm frame */
|
|
/* determine the size of the coded buffer */
|
|
size_out /= osize;
|
|
if (coded_bps)
|
|
size_out *= coded_bps;
|
|
|
|
//FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
|
|
ret = avcodec_encode_audio(enc, audio_out, size_out,
|
|
(short *)buftmp);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "Audio encoding failed\n");
|
|
av_exit(1);
|
|
}
|
|
audio_size += ret;
|
|
pkt.stream_index= ost->index;
|
|
pkt.data= audio_out;
|
|
pkt.size= ret;
|
|
if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
|
|
pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
|
|
pkt.flags |= PKT_FLAG_KEY;
|
|
write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
|
|
}
|
|
}
|
|
|
|
static void pre_process_video_frame(AVInputStream *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 */
|
|
fprintf(stderr, "Deinterlacing failed\n");
|
|
av_free(buf);
|
|
buf = NULL;
|
|
picture2 = picture;
|
|
}
|
|
} else {
|
|
picture2 = picture;
|
|
}
|
|
|
|
if (picture != picture2)
|
|
*picture = *picture2;
|
|
*bufp = buf;
|
|
}
|
|
|
|
/* we begin to correct av delay at this threshold */
|
|
#define AV_DELAY_MAX 0.100
|
|
|
|
static void do_subtitle_out(AVFormatContext *s,
|
|
AVOutputStream *ost,
|
|
AVInputStream *ist,
|
|
AVSubtitle *sub,
|
|
int64_t pts)
|
|
{
|
|
static uint8_t *subtitle_out = NULL;
|
|
int subtitle_out_max_size = 65536;
|
|
int subtitle_out_size, nb, i;
|
|
AVCodecContext *enc;
|
|
AVPacket pkt;
|
|
|
|
if (pts == AV_NOPTS_VALUE) {
|
|
fprintf(stderr, "Subtitle packets must have a pts\n");
|
|
if (exit_on_error)
|
|
av_exit(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++) {
|
|
subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
|
|
subtitle_out_max_size, sub);
|
|
|
|
av_init_packet(&pkt);
|
|
pkt.stream_index = ost->index;
|
|
pkt.data = subtitle_out;
|
|
pkt.size = subtitle_out_size;
|
|
pkt.pts = av_rescale_q(pts, ist->st->time_base, 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->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
|
|
}
|
|
}
|
|
|
|
static int bit_buffer_size= 1024*256;
|
|
static uint8_t *bit_buffer= NULL;
|
|
|
|
static void do_video_out(AVFormatContext *s,
|
|
AVOutputStream *ost,
|
|
AVInputStream *ist,
|
|
AVFrame *in_picture,
|
|
int *frame_size)
|
|
{
|
|
int nb_frames, i, ret;
|
|
AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
|
|
AVFrame picture_crop_temp, picture_pad_temp;
|
|
AVCodecContext *enc, *dec;
|
|
|
|
avcodec_get_frame_defaults(&picture_crop_temp);
|
|
avcodec_get_frame_defaults(&picture_pad_temp);
|
|
|
|
enc = ost->st->codec;
|
|
dec = ist->st->codec;
|
|
|
|
/* by default, we output a single frame */
|
|
nb_frames = 1;
|
|
|
|
*frame_size = 0;
|
|
|
|
if(video_sync_method>0 || (video_sync_method && av_q2d(enc->time_base) > 0.001)){
|
|
double vdelta;
|
|
vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
|
|
//FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
|
|
if (vdelta < -1.1)
|
|
nb_frames = 0;
|
|
else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
|
|
if(vdelta<=-0.6){
|
|
nb_frames=0;
|
|
}else if(vdelta>0.6)
|
|
ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
|
|
}else if (vdelta > 1.1)
|
|
nb_frames = lrintf(vdelta);
|
|
//fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
|
|
if (nb_frames == 0){
|
|
++nb_frames_drop;
|
|
if (verbose>2)
|
|
fprintf(stderr, "*** drop!\n");
|
|
}else if (nb_frames > 1) {
|
|
nb_frames_dup += nb_frames;
|
|
if (verbose>2)
|
|
fprintf(stderr, "*** %d dup!\n", nb_frames-1);
|
|
}
|
|
}else
|
|
ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
|
|
|
|
nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
|
|
if (nb_frames <= 0)
|
|
return;
|
|
|
|
if (ost->video_crop) {
|
|
if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
|
|
fprintf(stderr, "error cropping picture\n");
|
|
if (exit_on_error)
|
|
av_exit(1);
|
|
return;
|
|
}
|
|
formatted_picture = &picture_crop_temp;
|
|
} else {
|
|
formatted_picture = in_picture;
|
|
}
|
|
|
|
final_picture = formatted_picture;
|
|
padding_src = formatted_picture;
|
|
resampling_dst = &ost->pict_tmp;
|
|
if (ost->video_pad) {
|
|
final_picture = &ost->pict_tmp;
|
|
if (ost->video_resample) {
|
|
if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
|
|
fprintf(stderr, "error padding picture\n");
|
|
if (exit_on_error)
|
|
av_exit(1);
|
|
return;
|
|
}
|
|
resampling_dst = &picture_pad_temp;
|
|
}
|
|
}
|
|
|
|
if (ost->video_resample) {
|
|
padding_src = NULL;
|
|
final_picture = &ost->pict_tmp;
|
|
sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
|
|
0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
|
|
}
|
|
|
|
if (ost->video_pad) {
|
|
av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
|
|
enc->height, enc->width, enc->pix_fmt,
|
|
ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
|
|
}
|
|
|
|
/* duplicates frame if needed */
|
|
for(i=0;i<nb_frames;i++) {
|
|
AVPacket pkt;
|
|
av_init_packet(&pkt);
|
|
pkt.stream_index= ost->index;
|
|
|
|
if (s->oformat->flags & AVFMT_RAWPICTURE) {
|
|
/* raw pictures are written as AVPicture structure to
|
|
avoid any copies. We support temorarily the older
|
|
method. */
|
|
AVFrame* old_frame = enc->coded_frame;
|
|
enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
|
|
pkt.data= (uint8_t *)final_picture;
|
|
pkt.size= sizeof(AVPicture);
|
|
pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
|
|
pkt.flags |= PKT_FLAG_KEY;
|
|
|
|
write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
|
|
enc->coded_frame = old_frame;
|
|
} else {
|
|
AVFrame big_picture;
|
|
|
|
big_picture= *final_picture;
|
|
/* better than nothing: use input picture interlaced
|
|
settings */
|
|
big_picture.interlaced_frame = in_picture->interlaced_frame;
|
|
if(avcodec_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
|
|
if(top_field_first == -1)
|
|
big_picture.top_field_first = in_picture->top_field_first;
|
|
else
|
|
big_picture.top_field_first = top_field_first;
|
|
}
|
|
|
|
/* handles sameq here. This is not correct because it may
|
|
not be a global option */
|
|
if (same_quality) {
|
|
big_picture.quality = ist->st->quality;
|
|
}else
|
|
big_picture.quality = ost->st->quality;
|
|
if(!me_threshold)
|
|
big_picture.pict_type = 0;
|
|
// big_picture.pts = AV_NOPTS_VALUE;
|
|
big_picture.pts= ost->sync_opts;
|
|
// big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
|
|
//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
|
|
ret = avcodec_encode_video(enc,
|
|
bit_buffer, bit_buffer_size,
|
|
&big_picture);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "Video encoding failed\n");
|
|
av_exit(1);
|
|
}
|
|
|
|
if(ret>0){
|
|
pkt.data= bit_buffer;
|
|
pkt.size= ret;
|
|
if(enc->coded_frame->pts != AV_NOPTS_VALUE)
|
|
pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
|
|
/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
|
|
pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
|
|
pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
|
|
|
|
if(enc->coded_frame->key_frame)
|
|
pkt.flags |= PKT_FLAG_KEY;
|
|
write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
|
|
*frame_size = ret;
|
|
video_size += ret;
|
|
//fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
|
|
// enc->frame_number-1, ret, enc->pict_type);
|
|
/* if two pass, output log */
|
|
if (ost->logfile && enc->stats_out) {
|
|
fprintf(ost->logfile, "%s", enc->stats_out);
|
|
}
|
|
}
|
|
}
|
|
ost->sync_opts++;
|
|
ost->frame_number++;
|
|
}
|
|
}
|
|
|
|
static double psnr(double d){
|
|
return -10.0*log(d)/log(10.0);
|
|
}
|
|
|
|
static void do_video_stats(AVFormatContext *os, AVOutputStream *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");
|
|
av_exit(1);
|
|
}
|
|
}
|
|
|
|
enc = ost->st->codec;
|
|
if (enc->codec_type == CODEC_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_pict_type_char(enc->coded_frame->pict_type));
|
|
}
|
|
}
|
|
|
|
static void print_report(AVFormatContext **output_files,
|
|
AVOutputStream **ost_table, int nb_ostreams,
|
|
int is_last_report)
|
|
{
|
|
char buf[1024];
|
|
AVOutputStream *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 (!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];
|
|
|
|
total_size = url_fsize(oc->pb);
|
|
if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
|
|
total_size= url_ftell(oc->pb);
|
|
|
|
buf[0] = '\0';
|
|
ti1 = 1e10;
|
|
vid = 0;
|
|
for(i=0;i<nb_ostreams;i++) {
|
|
ost = ost_table[i];
|
|
enc = ost->st->codec;
|
|
if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
|
|
!ost->st->stream_copy ?
|
|
enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
|
|
}
|
|
if (!vid && enc->codec_type == CODEC_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,
|
|
!ost->st->stream_copy ?
|
|
enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
|
|
if(is_last_report)
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
|
|
if(qp_hist){
|
|
int j;
|
|
int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
|
|
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;
|
|
|
|
if (verbose || is_last_report) {
|
|
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 (verbose > 1)
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
|
|
nb_frames_dup, nb_frames_drop);
|
|
|
|
if (verbose >= 0)
|
|
fprintf(stderr, "%s \r", buf);
|
|
|
|
fflush(stderr);
|
|
}
|
|
|
|
if (is_last_report && verbose >= 0){
|
|
int64_t raw= audio_size + video_size + extra_size;
|
|
fprintf(stderr, "\n");
|
|
fprintf(stderr, "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
|
|
);
|
|
}
|
|
}
|
|
|
|
/* pkt = NULL means EOF (needed to flush decoder buffers) */
|
|
static int output_packet(AVInputStream *ist, int ist_index,
|
|
AVOutputStream **ost_table, int nb_ostreams,
|
|
const AVPacket *pkt)
|
|
{
|
|
AVFormatContext *os;
|
|
AVOutputStream *ost;
|
|
int ret, i;
|
|
uint8_t *data_buf;
|
|
int data_size, got_picture;
|
|
AVFrame picture;
|
|
void *buffer_to_free;
|
|
static unsigned int samples_size= 0;
|
|
AVSubtitle subtitle, *subtitle_to_free;
|
|
int got_subtitle;
|
|
AVPacket avpkt;
|
|
|
|
if(ist->next_pts == AV_NOPTS_VALUE)
|
|
ist->next_pts= ist->pts;
|
|
|
|
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_pts = ist->pts = 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 (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
|
|
handle_eof:
|
|
ist->pts= ist->next_pts;
|
|
|
|
if(avpkt.size && avpkt.size != pkt->size && verbose>0)
|
|
fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
|
|
|
|
/* decode the packet if needed */
|
|
data_buf = NULL; /* fail safe */
|
|
data_size = 0;
|
|
subtitle_to_free = NULL;
|
|
if (ist->decoding_needed) {
|
|
switch(ist->st->codec->codec_type) {
|
|
case CODEC_TYPE_AUDIO:{
|
|
if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
|
|
samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
|
|
av_free(samples);
|
|
samples= av_malloc(samples_size);
|
|
}
|
|
data_size= samples_size;
|
|
/* XXX: could avoid copy if PCM 16 bits with same
|
|
endianness as CPU */
|
|
ret = avcodec_decode_audio3(ist->st->codec, samples, &data_size,
|
|
&avpkt);
|
|
if (ret < 0)
|
|
goto fail_decode;
|
|
avpkt.data += ret;
|
|
avpkt.size -= ret;
|
|
/* Some bug in mpeg audio decoder gives */
|
|
/* data_size < 0, it seems they are overflows */
|
|
if (data_size <= 0) {
|
|
/* no audio frame */
|
|
continue;
|
|
}
|
|
data_buf = (uint8_t *)samples;
|
|
ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
|
|
(ist->st->codec->sample_rate * ist->st->codec->channels);
|
|
break;}
|
|
case CODEC_TYPE_VIDEO:
|
|
data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
|
|
/* XXX: allocate picture correctly */
|
|
avcodec_get_frame_defaults(&picture);
|
|
|
|
ret = avcodec_decode_video2(ist->st->codec,
|
|
&picture, &got_picture, &avpkt);
|
|
ist->st->quality= picture.quality;
|
|
if (ret < 0)
|
|
goto fail_decode;
|
|
if (!got_picture) {
|
|
/* no picture yet */
|
|
goto discard_packet;
|
|
}
|
|
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_pts += ((int64_t)AV_TIME_BASE *
|
|
ist->st->codec->time_base.num * ticks) /
|
|
ist->st->codec->time_base.den;
|
|
}
|
|
avpkt.size = 0;
|
|
break;
|
|
case CODEC_TYPE_SUBTITLE:
|
|
ret = avcodec_decode_subtitle2(ist->st->codec,
|
|
&subtitle, &got_subtitle, &avpkt);
|
|
if (ret < 0)
|
|
goto fail_decode;
|
|
if (!got_subtitle) {
|
|
goto discard_packet;
|
|
}
|
|
subtitle_to_free = &subtitle;
|
|
avpkt.size = 0;
|
|
break;
|
|
default:
|
|
goto fail_decode;
|
|
}
|
|
} else {
|
|
switch(ist->st->codec->codec_type) {
|
|
case CODEC_TYPE_AUDIO:
|
|
ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
|
|
ist->st->codec->sample_rate;
|
|
break;
|
|
case CODEC_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_pts += ((int64_t)AV_TIME_BASE *
|
|
ist->st->codec->time_base.num * ticks) /
|
|
ist->st->codec->time_base.den;
|
|
}
|
|
break;
|
|
}
|
|
data_buf = avpkt.data;
|
|
data_size = avpkt.size;
|
|
ret = avpkt.size;
|
|
avpkt.size = 0;
|
|
}
|
|
|
|
buffer_to_free = NULL;
|
|
if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
|
|
pre_process_video_frame(ist, (AVPicture *)&picture,
|
|
&buffer_to_free);
|
|
}
|
|
|
|
// preprocess audio (volume)
|
|
if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
|
|
if (audio_volume != 256) {
|
|
short *volp;
|
|
volp = samples;
|
|
for(i=0;i<(data_size / sizeof(short));i++) {
|
|
int v = ((*volp) * audio_volume + 128) >> 8;
|
|
if (v < -32768) v = -32768;
|
|
if (v > 32767) v = 32767;
|
|
*volp++ = v;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* frame rate emulation */
|
|
if (rate_emu) {
|
|
int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
|
|
int64_t now = av_gettime() - ist->start;
|
|
if (pts > now)
|
|
usleep(pts - now);
|
|
}
|
|
|
|
/* if output time reached then transcode raw format,
|
|
encode packets and output them */
|
|
if (start_time == 0 || ist->pts >= start_time)
|
|
for(i=0;i<nb_ostreams;i++) {
|
|
int frame_size;
|
|
|
|
ost = ost_table[i];
|
|
if (ost->source_index == ist_index) {
|
|
os = output_files[ost->file_index];
|
|
|
|
#if 0
|
|
printf("%d: got pts=%0.3f %0.3f\n", i,
|
|
(double)pkt->pts / AV_TIME_BASE,
|
|
((double)ist->pts / AV_TIME_BASE) -
|
|
((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
|
|
#endif
|
|
/* set the input output pts pairs */
|
|
//ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
|
|
|
|
if (ost->encoding_needed) {
|
|
switch(ost->st->codec->codec_type) {
|
|
case CODEC_TYPE_AUDIO:
|
|
do_audio_out(os, ost, ist, data_buf, data_size);
|
|
break;
|
|
case CODEC_TYPE_VIDEO:
|
|
do_video_out(os, ost, ist, &picture, &frame_size);
|
|
if (vstats_filename && frame_size)
|
|
do_video_stats(os, ost, frame_size);
|
|
break;
|
|
case CODEC_TYPE_SUBTITLE:
|
|
do_subtitle_out(os, ost, ist, &subtitle,
|
|
pkt->pts);
|
|
break;
|
|
default:
|
|
abort();
|
|
}
|
|
} else {
|
|
AVFrame avframe; //FIXME/XXX remove this
|
|
AVPacket opkt;
|
|
int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
|
|
|
|
av_init_packet(&opkt);
|
|
|
|
if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
|
|
continue;
|
|
|
|
/* no reencoding needed : output the packet directly */
|
|
/* force the input stream PTS */
|
|
|
|
avcodec_get_frame_defaults(&avframe);
|
|
ost->st->codec->coded_frame= &avframe;
|
|
avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
|
|
|
|
if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
|
|
audio_size += data_size;
|
|
else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
|
|
video_size += data_size;
|
|
ost->sync_opts++;
|
|
}
|
|
|
|
opkt.stream_index= ost->index;
|
|
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->pts, 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(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
|
|
opkt.destruct= av_destruct_packet;
|
|
|
|
write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
|
|
ost->st->codec->frame_number++;
|
|
ost->frame_number++;
|
|
av_free_packet(&opkt);
|
|
}
|
|
}
|
|
}
|
|
av_free(buffer_to_free);
|
|
/* XXX: allocate the subtitles in the codec ? */
|
|
if (subtitle_to_free) {
|
|
if (subtitle_to_free->rects != NULL) {
|
|
for (i = 0; i < subtitle_to_free->num_rects; i++) {
|
|
av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
|
|
av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
|
|
av_freep(&subtitle_to_free->rects[i]);
|
|
}
|
|
av_freep(&subtitle_to_free->rects);
|
|
}
|
|
subtitle_to_free->num_rects = 0;
|
|
subtitle_to_free = NULL;
|
|
}
|
|
}
|
|
discard_packet:
|
|
if (pkt == NULL) {
|
|
/* EOF handling */
|
|
|
|
for(i=0;i<nb_ostreams;i++) {
|
|
ost = ost_table[i];
|
|
if (ost->source_index == ist_index) {
|
|
AVCodecContext *enc= ost->st->codec;
|
|
os = output_files[ost->file_index];
|
|
|
|
if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
|
|
continue;
|
|
if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
|
|
continue;
|
|
|
|
if (ost->encoding_needed) {
|
|
for(;;) {
|
|
AVPacket pkt;
|
|
int fifo_bytes;
|
|
av_init_packet(&pkt);
|
|
pkt.stream_index= ost->index;
|
|
|
|
switch(ost->st->codec->codec_type) {
|
|
case CODEC_TYPE_AUDIO:
|
|
fifo_bytes = av_fifo_size(ost->fifo);
|
|
ret = 0;
|
|
/* encode any samples remaining in fifo */
|
|
if (fifo_bytes > 0) {
|
|
int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
|
|
int fs_tmp = enc->frame_size;
|
|
|
|
av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
|
|
if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
|
|
enc->frame_size = fifo_bytes / (osize * enc->channels);
|
|
} else { /* pad */
|
|
int frame_bytes = enc->frame_size*osize*enc->channels;
|
|
if (samples_size < frame_bytes)
|
|
av_exit(1);
|
|
memset((uint8_t*)samples+fifo_bytes, 0, frame_bytes - fifo_bytes);
|
|
}
|
|
|
|
ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
|
|
pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
|
|
ost->st->time_base.num, enc->sample_rate);
|
|
enc->frame_size = fs_tmp;
|
|
}
|
|
if(ret <= 0) {
|
|
ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
|
|
}
|
|
if (ret < 0) {
|
|
fprintf(stderr, "Audio encoding failed\n");
|
|
av_exit(1);
|
|
}
|
|
audio_size += ret;
|
|
pkt.flags |= PKT_FLAG_KEY;
|
|
break;
|
|
case CODEC_TYPE_VIDEO:
|
|
ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "Video encoding failed\n");
|
|
av_exit(1);
|
|
}
|
|
video_size += ret;
|
|
if(enc->coded_frame && enc->coded_frame->key_frame)
|
|
pkt.flags |= PKT_FLAG_KEY;
|
|
if (ost->logfile && enc->stats_out) {
|
|
fprintf(ost->logfile, "%s", enc->stats_out);
|
|
}
|
|
break;
|
|
default:
|
|
ret=-1;
|
|
}
|
|
|
|
if(ret<=0)
|
|
break;
|
|
pkt.data= bit_buffer;
|
|
pkt.size= ret;
|
|
if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
|
|
pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
|
|
write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
fail_decode:
|
|
return -1;
|
|
}
|
|
|
|
static void print_sdp(AVFormatContext **avc, int n)
|
|
{
|
|
char sdp[2048];
|
|
|
|
avf_sdp_create(avc, n, sdp, sizeof(sdp));
|
|
printf("SDP:\n%s\n", sdp);
|
|
fflush(stdout);
|
|
}
|
|
|
|
static int stream_index_from_inputs(AVFormatContext **input_files,
|
|
int nb_input_files,
|
|
AVInputFile *file_table,
|
|
AVInputStream **ist_table,
|
|
enum CodecType type,
|
|
int programid)
|
|
{
|
|
int p, q, z;
|
|
for(z=0; z<nb_input_files; z++) {
|
|
AVFormatContext *ic = input_files[z];
|
|
for(p=0; p<ic->nb_programs; p++) {
|
|
AVProgram *program = ic->programs[p];
|
|
if(program->id != programid)
|
|
continue;
|
|
for(q=0; q<program->nb_stream_indexes; q++) {
|
|
int sidx = program->stream_index[q];
|
|
int ris = file_table[z].ist_index + sidx;
|
|
if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
|
|
return ris;
|
|
}
|
|
}
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* The following code is the main loop of the file converter
|
|
*/
|
|
static int av_encode(AVFormatContext **output_files,
|
|
int nb_output_files,
|
|
AVFormatContext **input_files,
|
|
int nb_input_files,
|
|
AVStreamMap *stream_maps, int nb_stream_maps)
|
|
{
|
|
int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
|
|
AVFormatContext *is, *os;
|
|
AVCodecContext *codec, *icodec;
|
|
AVOutputStream *ost, **ost_table = NULL;
|
|
AVInputStream *ist, **ist_table = NULL;
|
|
AVInputFile *file_table;
|
|
char error[1024];
|
|
int key;
|
|
int want_sdp = 1;
|
|
uint8_t no_packet[MAX_FILES]={0};
|
|
int no_packet_count=0;
|
|
|
|
file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
|
|
if (!file_table)
|
|
goto fail;
|
|
|
|
/* input stream init */
|
|
j = 0;
|
|
for(i=0;i<nb_input_files;i++) {
|
|
is = input_files[i];
|
|
file_table[i].ist_index = j;
|
|
file_table[i].nb_streams = is->nb_streams;
|
|
j += is->nb_streams;
|
|
}
|
|
nb_istreams = j;
|
|
|
|
ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
|
|
if (!ist_table)
|
|
goto fail;
|
|
|
|
for(i=0;i<nb_istreams;i++) {
|
|
ist = av_mallocz(sizeof(AVInputStream));
|
|
if (!ist)
|
|
goto fail;
|
|
ist_table[i] = ist;
|
|
}
|
|
j = 0;
|
|
for(i=0;i<nb_input_files;i++) {
|
|
is = input_files[i];
|
|
for(k=0;k<is->nb_streams;k++) {
|
|
ist = ist_table[j++];
|
|
ist->st = is->streams[k];
|
|
ist->file_index = i;
|
|
ist->index = k;
|
|
ist->discard = 1; /* the stream is discarded by default
|
|
(changed later) */
|
|
|
|
if (rate_emu) {
|
|
ist->start = av_gettime();
|
|
}
|
|
}
|
|
}
|
|
|
|
/* output stream init */
|
|
nb_ostreams = 0;
|
|
for(i=0;i<nb_output_files;i++) {
|
|
os = output_files[i];
|
|
if (!os->nb_streams) {
|
|
dump_format(output_files[i], i, output_files[i]->filename, 1);
|
|
fprintf(stderr, "Output file #%d does not contain any stream\n", i);
|
|
av_exit(1);
|
|
}
|
|
nb_ostreams += os->nb_streams;
|
|
}
|
|
if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
|
|
fprintf(stderr, "Number of stream maps must match number of output streams\n");
|
|
av_exit(1);
|
|
}
|
|
|
|
/* Sanity check the mapping args -- do the input files & streams exist? */
|
|
for(i=0;i<nb_stream_maps;i++) {
|
|
int fi = stream_maps[i].file_index;
|
|
int si = stream_maps[i].stream_index;
|
|
|
|
if (fi < 0 || fi > nb_input_files - 1 ||
|
|
si < 0 || si > file_table[fi].nb_streams - 1) {
|
|
fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
|
|
av_exit(1);
|
|
}
|
|
fi = stream_maps[i].sync_file_index;
|
|
si = stream_maps[i].sync_stream_index;
|
|
if (fi < 0 || fi > nb_input_files - 1 ||
|
|
si < 0 || si > file_table[fi].nb_streams - 1) {
|
|
fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
|
|
av_exit(1);
|
|
}
|
|
}
|
|
|
|
ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
|
|
if (!ost_table)
|
|
goto fail;
|
|
for(i=0;i<nb_ostreams;i++) {
|
|
ost = av_mallocz(sizeof(AVOutputStream));
|
|
if (!ost)
|
|
goto fail;
|
|
ost_table[i] = ost;
|
|
}
|
|
|
|
n = 0;
|
|
for(k=0;k<nb_output_files;k++) {
|
|
os = output_files[k];
|
|
for(i=0;i<os->nb_streams;i++,n++) {
|
|
int found;
|
|
ost = ost_table[n];
|
|
ost->file_index = k;
|
|
ost->index = i;
|
|
ost->st = os->streams[i];
|
|
if (nb_stream_maps > 0) {
|
|
ost->source_index = file_table[stream_maps[n].file_index].ist_index +
|
|
stream_maps[n].stream_index;
|
|
|
|
/* Sanity check that the stream types match */
|
|
if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
|
|
int i= ost->file_index;
|
|
dump_format(output_files[i], i, output_files[i]->filename, 1);
|
|
fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
|
|
stream_maps[n].file_index, stream_maps[n].stream_index,
|
|
ost->file_index, ost->index);
|
|
av_exit(1);
|
|
}
|
|
|
|
} else {
|
|
if(opt_programid) {
|
|
found = 0;
|
|
j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
|
|
if(j != -1) {
|
|
ost->source_index = j;
|
|
found = 1;
|
|
}
|
|
} else {
|
|
/* get corresponding input stream index : we select the first one with the right type */
|
|
found = 0;
|
|
for(j=0;j<nb_istreams;j++) {
|
|
ist = ist_table[j];
|
|
if (ist->discard &&
|
|
ist->st->codec->codec_type == ost->st->codec->codec_type) {
|
|
ost->source_index = j;
|
|
found = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!found) {
|
|
if(! opt_programid) {
|
|
/* try again and reuse existing stream */
|
|
for(j=0;j<nb_istreams;j++) {
|
|
ist = ist_table[j];
|
|
if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
|
|
ost->source_index = j;
|
|
found = 1;
|
|
}
|
|
}
|
|
}
|
|
if (!found) {
|
|
int i= ost->file_index;
|
|
dump_format(output_files[i], i, output_files[i]->filename, 1);
|
|
fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
|
|
ost->file_index, ost->index);
|
|
av_exit(1);
|
|
}
|
|
}
|
|
}
|
|
ist = ist_table[ost->source_index];
|
|
ist->discard = 0;
|
|
ost->sync_ist = (nb_stream_maps > 0) ?
|
|
ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
|
|
stream_maps[n].sync_stream_index] : ist;
|
|
}
|
|
}
|
|
|
|
/* for each output stream, we compute the right encoding parameters */
|
|
for(i=0;i<nb_ostreams;i++) {
|
|
AVMetadataTag *lang;
|
|
ost = ost_table[i];
|
|
os = output_files[ost->file_index];
|
|
ist = ist_table[ost->source_index];
|
|
|
|
codec = ost->st->codec;
|
|
icodec = ist->st->codec;
|
|
|
|
if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
|
|
&& !av_metadata_get(ost->st->metadata, "language", NULL, 0))
|
|
av_metadata_set(&ost->st->metadata, "language", lang->value);
|
|
|
|
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->st->stream_copy) {
|
|
/* 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( !os->oformat->codec_tag
|
|
|| av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
|
|
|| av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
|
|
codec->codec_tag = icodec->codec_tag;
|
|
}
|
|
|
|
codec->bit_rate = icodec->bit_rate;
|
|
codec->extradata= icodec->extradata;
|
|
codec->extradata_size= icodec->extradata_size;
|
|
if(av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000){
|
|
codec->time_base = icodec->time_base;
|
|
codec->time_base.num *= icodec->ticks_per_frame;
|
|
}else
|
|
codec->time_base = ist->st->time_base;
|
|
switch(codec->codec_type) {
|
|
case CODEC_TYPE_AUDIO:
|
|
if(audio_volume != 256) {
|
|
fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
|
|
av_exit(1);
|
|
}
|
|
codec->channel_layout = icodec->channel_layout;
|
|
codec->sample_rate = icodec->sample_rate;
|
|
codec->channels = icodec->channels;
|
|
codec->frame_size = icodec->frame_size;
|
|
codec->block_align= icodec->block_align;
|
|
if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
|
|
codec->block_align= 0;
|
|
if(codec->codec_id == CODEC_ID_AC3)
|
|
codec->block_align= 0;
|
|
break;
|
|
case CODEC_TYPE_VIDEO:
|
|
codec->pix_fmt = icodec->pix_fmt;
|
|
codec->width = icodec->width;
|
|
codec->height = icodec->height;
|
|
codec->has_b_frames = icodec->has_b_frames;
|
|
break;
|
|
case CODEC_TYPE_SUBTITLE:
|
|
codec->width = icodec->width;
|
|
codec->height = icodec->height;
|
|
break;
|
|
default:
|
|
abort();
|
|
}
|
|
} else {
|
|
switch(codec->codec_type) {
|
|
case CODEC_TYPE_AUDIO:
|
|
ost->fifo= av_fifo_alloc(1024);
|
|
if(!ost->fifo)
|
|
goto fail;
|
|
ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
|
|
ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
|
|
icodec->request_channels = codec->channels;
|
|
ist->decoding_needed = 1;
|
|
ost->encoding_needed = 1;
|
|
break;
|
|
case CODEC_TYPE_VIDEO:
|
|
ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
|
|
ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
|
|
ost->video_resample = ((codec->width != icodec->width -
|
|
(frame_leftBand + frame_rightBand) +
|
|
(frame_padleft + frame_padright)) ||
|
|
(codec->height != icodec->height -
|
|
(frame_topBand + frame_bottomBand) +
|
|
(frame_padtop + frame_padbottom)) ||
|
|
(codec->pix_fmt != icodec->pix_fmt));
|
|
if (ost->video_crop) {
|
|
ost->topBand = frame_topBand;
|
|
ost->leftBand = frame_leftBand;
|
|
}
|
|
if (ost->video_pad) {
|
|
ost->padtop = frame_padtop;
|
|
ost->padleft = frame_padleft;
|
|
ost->padbottom = frame_padbottom;
|
|
ost->padright = frame_padright;
|
|
if (!ost->video_resample) {
|
|
avcodec_get_frame_defaults(&ost->pict_tmp);
|
|
if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
|
|
codec->width, codec->height))
|
|
goto fail;
|
|
}
|
|
}
|
|
if (ost->video_resample) {
|
|
avcodec_get_frame_defaults(&ost->pict_tmp);
|
|
if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
|
|
codec->width, codec->height)) {
|
|
fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
|
|
av_exit(1);
|
|
}
|
|
sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
|
|
ost->img_resample_ctx = sws_getContext(
|
|
icodec->width - (frame_leftBand + frame_rightBand),
|
|
icodec->height - (frame_topBand + frame_bottomBand),
|
|
icodec->pix_fmt,
|
|
codec->width - (frame_padleft + frame_padright),
|
|
codec->height - (frame_padtop + frame_padbottom),
|
|
codec->pix_fmt,
|
|
sws_flags, NULL, NULL, NULL);
|
|
if (ost->img_resample_ctx == NULL) {
|
|
fprintf(stderr, "Cannot get resampling context\n");
|
|
av_exit(1);
|
|
}
|
|
ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
|
|
codec->bits_per_raw_sample= 0;
|
|
}
|
|
ost->encoding_needed = 1;
|
|
ist->decoding_needed = 1;
|
|
break;
|
|
case CODEC_TYPE_SUBTITLE:
|
|
ost->encoding_needed = 1;
|
|
ist->decoding_needed = 1;
|
|
break;
|
|
default:
|
|
abort();
|
|
break;
|
|
}
|
|
/* two pass mode */
|
|
if (ost->encoding_needed &&
|
|
(codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
|
|
char logfilename[1024];
|
|
FILE *f;
|
|
int size;
|
|
char *logbuffer;
|
|
|
|
snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
|
|
pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
|
|
i);
|
|
if (codec->flags & CODEC_FLAG_PASS1) {
|
|
f = fopen(logfilename, "w");
|
|
if (!f) {
|
|
fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
|
|
av_exit(1);
|
|
}
|
|
ost->logfile = f;
|
|
} else {
|
|
/* read the log file */
|
|
f = fopen(logfilename, "r");
|
|
if (!f) {
|
|
fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
|
|
av_exit(1);
|
|
}
|
|
fseek(f, 0, SEEK_END);
|
|
size = ftell(f);
|
|
fseek(f, 0, SEEK_SET);
|
|
logbuffer = av_malloc(size + 1);
|
|
if (!logbuffer) {
|
|
fprintf(stderr, "Could not allocate log buffer\n");
|
|
av_exit(1);
|
|
}
|
|
size = fread(logbuffer, 1, size, f);
|
|
fclose(f);
|
|
logbuffer[size] = '\0';
|
|
codec->stats_in = logbuffer;
|
|
}
|
|
}
|
|
}
|
|
if(codec->codec_type == CODEC_TYPE_VIDEO){
|
|
int size= codec->width * codec->height;
|
|
bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
|
|
}
|
|
}
|
|
|
|
if (!bit_buffer)
|
|
bit_buffer = av_malloc(bit_buffer_size);
|
|
if (!bit_buffer) {
|
|
ret = AVERROR(ENOMEM);
|
|
goto fail;
|
|
}
|
|
|
|
/* open each encoder */
|
|
for(i=0;i<nb_ostreams;i++) {
|
|
ost = ost_table[i];
|
|
if (ost->encoding_needed) {
|
|
AVCodec *codec = output_codecs[i];
|
|
if (!codec)
|
|
codec = avcodec_find_encoder(ost->st->codec->codec_id);
|
|
if (!codec) {
|
|
snprintf(error, sizeof(error), "Unsupported codec for output stream #%d.%d",
|
|
ost->file_index, ost->index);
|
|
ret = AVERROR(EINVAL);
|
|
goto dump_format;
|
|
}
|
|
if (avcodec_open(ost->st->codec, codec) < 0) {
|
|
snprintf(error, sizeof(error), "Error while opening codec 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;
|
|
}
|
|
extra_size += ost->st->codec->extradata_size;
|
|
}
|
|
}
|
|
|
|
/* open each decoder */
|
|
for(i=0;i<nb_istreams;i++) {
|
|
ist = ist_table[i];
|
|
if (ist->decoding_needed) {
|
|
AVCodec *codec = input_codecs[i];
|
|
if (!codec)
|
|
codec = avcodec_find_decoder(ist->st->codec->codec_id);
|
|
if (!codec) {
|
|
snprintf(error, sizeof(error), "Unsupported codec (id=%d) for input stream #%d.%d",
|
|
ist->st->codec->codec_id, ist->file_index, ist->index);
|
|
ret = AVERROR(EINVAL);
|
|
goto dump_format;
|
|
}
|
|
if (avcodec_open(ist->st->codec, codec) < 0) {
|
|
snprintf(error, sizeof(error), "Error while opening codec for input stream #%d.%d",
|
|
ist->file_index, ist->index);
|
|
ret = AVERROR(EINVAL);
|
|
goto dump_format;
|
|
}
|
|
//if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
|
|
// ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
|
|
}
|
|
}
|
|
|
|
/* init pts */
|
|
for(i=0;i<nb_istreams;i++) {
|
|
ist = ist_table[i];
|
|
ist->pts = 0;
|
|
ist->next_pts = AV_NOPTS_VALUE;
|
|
ist->is_start = 1;
|
|
}
|
|
|
|
/* set meta data information from input file if required */
|
|
for (i=0;i<nb_meta_data_maps;i++) {
|
|
AVFormatContext *out_file;
|
|
AVFormatContext *in_file;
|
|
AVMetadataTag *mtag;
|
|
|
|
int out_file_index = meta_data_maps[i].out_file;
|
|
int in_file_index = meta_data_maps[i].in_file;
|
|
if (out_file_index < 0 || out_file_index >= nb_output_files) {
|
|
snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
|
|
out_file_index, out_file_index, in_file_index);
|
|
ret = AVERROR(EINVAL);
|
|
goto dump_format;
|
|
}
|
|
if (in_file_index < 0 || in_file_index >= nb_input_files) {
|
|
snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
|
|
in_file_index, out_file_index, in_file_index);
|
|
ret = AVERROR(EINVAL);
|
|
goto dump_format;
|
|
}
|
|
|
|
out_file = output_files[out_file_index];
|
|
in_file = input_files[in_file_index];
|
|
|
|
|
|
mtag=NULL;
|
|
while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
|
|
av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
|
|
av_metadata_conv(out_file, out_file->oformat->metadata_conv,
|
|
in_file->iformat->metadata_conv);
|
|
}
|
|
|
|
/* open files and write file headers */
|
|
for(i=0;i<nb_output_files;i++) {
|
|
os = output_files[i];
|
|
if (av_write_header(os) < 0) {
|
|
snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
|
|
ret = AVERROR(EINVAL);
|
|
goto dump_format;
|
|
}
|
|
if (strcmp(output_files[i]->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++) {
|
|
dump_format(output_files[i], i, output_files[i]->filename, 1);
|
|
}
|
|
|
|
/* dump the stream mapping */
|
|
if (verbose >= 0) {
|
|
fprintf(stderr, "Stream mapping:\n");
|
|
for(i=0;i<nb_ostreams;i++) {
|
|
ost = ost_table[i];
|
|
fprintf(stderr, " Stream #%d.%d -> #%d.%d",
|
|
ist_table[ost->source_index]->file_index,
|
|
ist_table[ost->source_index]->index,
|
|
ost->file_index,
|
|
ost->index);
|
|
if (ost->sync_ist != ist_table[ost->source_index])
|
|
fprintf(stderr, " [sync #%d.%d]",
|
|
ost->sync_ist->file_index,
|
|
ost->sync_ist->index);
|
|
fprintf(stderr, "\n");
|
|
}
|
|
}
|
|
|
|
if (ret) {
|
|
fprintf(stderr, "%s\n", error);
|
|
goto fail;
|
|
}
|
|
|
|
if (want_sdp) {
|
|
print_sdp(output_files, nb_output_files);
|
|
}
|
|
|
|
if (!using_stdin && verbose >= 0) {
|
|
fprintf(stderr, "Press [q] to stop encoding\n");
|
|
url_set_interrupt_cb(decode_interrupt_cb);
|
|
}
|
|
term_init();
|
|
|
|
timer_start = av_gettime();
|
|
|
|
for(; received_sigterm == 0;) {
|
|
int file_index, ist_index;
|
|
AVPacket pkt;
|
|
double ipts_min;
|
|
double opts_min;
|
|
|
|
redo:
|
|
ipts_min= 1e100;
|
|
opts_min= 1e100;
|
|
/* if 'q' pressed, exits */
|
|
if (!using_stdin) {
|
|
if (q_pressed)
|
|
break;
|
|
/* read_key() returns 0 on EOF */
|
|
key = read_key();
|
|
if (key == 'q')
|
|
break;
|
|
}
|
|
|
|
/* select the stream that we must read now by looking at the
|
|
smallest output pts */
|
|
file_index = -1;
|
|
for(i=0;i<nb_ostreams;i++) {
|
|
double ipts, opts;
|
|
ost = ost_table[i];
|
|
os = output_files[ost->file_index];
|
|
ist = ist_table[ost->source_index];
|
|
if(no_packet[ist->file_index])
|
|
continue;
|
|
if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
|
|
opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
|
|
else
|
|
opts = ost->st->pts.val * av_q2d(ost->st->time_base);
|
|
ipts = (double)ist->pts;
|
|
if (!file_table[ist->file_index].eof_reached){
|
|
if(ipts < ipts_min) {
|
|
ipts_min = ipts;
|
|
if(input_sync ) file_index = ist->file_index;
|
|
}
|
|
if(opts < opts_min) {
|
|
opts_min = opts;
|
|
if(!input_sync) file_index = ist->file_index;
|
|
}
|
|
}
|
|
if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
|
|
file_index= -1;
|
|
break;
|
|
}
|
|
}
|
|
/* if none, if is finished */
|
|
if (file_index < 0) {
|
|
if(no_packet_count){
|
|
no_packet_count=0;
|
|
memset(no_packet, 0, sizeof(no_packet));
|
|
usleep(10000);
|
|
continue;
|
|
}
|
|
break;
|
|
}
|
|
|
|
/* finish if recording time exhausted */
|
|
if (opts_min >= (recording_time / 1000000.0))
|
|
break;
|
|
|
|
/* finish if limit size exhausted */
|
|
if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
|
|
break;
|
|
|
|
/* read a frame from it and output it in the fifo */
|
|
is = input_files[file_index];
|
|
ret= av_read_frame(is, &pkt);
|
|
if(ret == AVERROR(EAGAIN)){
|
|
no_packet[file_index]=1;
|
|
no_packet_count++;
|
|
continue;
|
|
}
|
|
if (ret < 0) {
|
|
file_table[file_index].eof_reached = 1;
|
|
if (opt_shortest)
|
|
break;
|
|
else
|
|
continue;
|
|
}
|
|
|
|
no_packet_count=0;
|
|
memset(no_packet, 0, sizeof(no_packet));
|
|
|
|
if (do_pkt_dump) {
|
|
av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
|
|
}
|
|
/* the following test is needed in case new streams appear
|
|
dynamically in stream : we ignore them */
|
|
if (pkt.stream_index >= file_table[file_index].nb_streams)
|
|
goto discard_packet;
|
|
ist_index = file_table[file_index].ist_index + pkt.stream_index;
|
|
ist = ist_table[ist_index];
|
|
if (ist->discard)
|
|
goto discard_packet;
|
|
|
|
if (pkt.dts != AV_NOPTS_VALUE)
|
|
pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
|
|
if (pkt.pts != AV_NOPTS_VALUE)
|
|
pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
|
|
|
|
if(input_files_ts_scale[file_index][pkt.stream_index]){
|
|
if(pkt.pts != AV_NOPTS_VALUE)
|
|
pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
|
|
if(pkt.dts != AV_NOPTS_VALUE)
|
|
pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
|
|
}
|
|
|
|
// fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files_ts_offset[ist->file_index], ist->st->codec->codec_type);
|
|
if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != 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_pts;
|
|
if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
|
|
input_files_ts_offset[ist->file_index]-= delta;
|
|
if (verbose > 2)
|
|
fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
|
|
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->index, pkt.size);
|
|
if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
|
|
|
|
if (verbose >= 0)
|
|
fprintf(stderr, "Error while decoding stream #%d.%d\n",
|
|
ist->file_index, ist->index);
|
|
if (exit_on_error)
|
|
av_exit(1);
|
|
av_free_packet(&pkt);
|
|
goto redo;
|
|
}
|
|
|
|
discard_packet:
|
|
av_free_packet(&pkt);
|
|
|
|
/* dump report by using the output first video and audio streams */
|
|
print_report(output_files, ost_table, nb_ostreams, 0);
|
|
}
|
|
|
|
/* at the end of stream, we must flush the decoder buffers */
|
|
for(i=0;i<nb_istreams;i++) {
|
|
ist = ist_table[i];
|
|
if (ist->decoding_needed) {
|
|
output_packet(ist, i, ost_table, nb_ostreams, NULL);
|
|
}
|
|
}
|
|
|
|
term_exit();
|
|
|
|
/* write the trailer if needed and close file */
|
|
for(i=0;i<nb_output_files;i++) {
|
|
os = output_files[i];
|
|
av_write_trailer(os);
|
|
}
|
|
|
|
/* dump report by using the first video and audio streams */
|
|
print_report(output_files, ost_table, nb_ostreams, 1);
|
|
|
|
/* close each encoder */
|
|
for(i=0;i<nb_ostreams;i++) {
|
|
ost = ost_table[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_istreams;i++) {
|
|
ist = ist_table[i];
|
|
if (ist->decoding_needed) {
|
|
avcodec_close(ist->st->codec);
|
|
}
|
|
}
|
|
|
|
/* finished ! */
|
|
ret = 0;
|
|
|
|
fail:
|
|
av_freep(&bit_buffer);
|
|
av_free(file_table);
|
|
|
|
if (ist_table) {
|
|
for(i=0;i<nb_istreams;i++) {
|
|
ist = ist_table[i];
|
|
av_free(ist);
|
|
}
|
|
av_free(ist_table);
|
|
}
|
|
if (ost_table) {
|
|
for(i=0;i<nb_ostreams;i++) {
|
|
ost = ost_table[i];
|
|
if (ost) {
|
|
if (ost->logfile) {
|
|
fclose(ost->logfile);
|
|
ost->logfile = NULL;
|
|
}
|
|
av_fifo_free(ost->fifo); /* works even if fifo is not
|
|
initialized but set to zero */
|
|
av_free(ost->pict_tmp.data[0]);
|
|
if (ost->video_resample)
|
|
sws_freeContext(ost->img_resample_ctx);
|
|
if (ost->resample)
|
|
audio_resample_close(ost->resample);
|
|
if (ost->reformat_ctx)
|
|
av_audio_convert_free(ost->reformat_ctx);
|
|
av_free(ost);
|
|
}
|
|
}
|
|
av_free(ost_table);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
#if 0
|
|
int file_read(const char *filename)
|
|
{
|
|
URLContext *h;
|
|
unsigned char buffer[1024];
|
|
int len, i;
|
|
|
|
if (url_open(&h, filename, O_RDONLY) < 0) {
|
|
printf("could not open '%s'\n", filename);
|
|
return -1;
|
|
}
|
|
for(;;) {
|
|
len = url_read(h, buffer, sizeof(buffer));
|
|
if (len <= 0)
|
|
break;
|
|
for(i=0;i<len;i++) putchar(buffer[i]);
|
|
}
|
|
url_close(h);
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static void opt_format(const char *arg)
|
|
{
|
|
/* compatibility stuff for pgmyuv */
|
|
if (!strcmp(arg, "pgmyuv")) {
|
|
pgmyuv_compatibility_hack=1;
|
|
// opt_image_format(arg);
|
|
arg = "image2";
|
|
fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
|
|
}
|
|
|
|
file_iformat = av_find_input_format(arg);
|
|
file_oformat = guess_format(arg, NULL, NULL);
|
|
if (!file_iformat && !file_oformat) {
|
|
fprintf(stderr, "Unknown input or output format: %s\n", arg);
|
|
av_exit(1);
|
|
}
|
|
}
|
|
|
|
static void opt_video_rc_override_string(const char *arg)
|
|
{
|
|
video_rc_override_string = arg;
|
|
}
|
|
|
|
static int opt_me_threshold(const char *opt, const char *arg)
|
|
{
|
|
me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
|
|
return 0;
|
|
}
|
|
|
|
static int opt_loglevel(const char *opt, const char *arg)
|
|
{
|
|
int level = parse_number_or_die(opt, arg, OPT_INT, INT_MIN, INT_MAX);
|
|
av_log_set_level(level);
|
|
return 0;
|
|
}
|
|
|
|
static int opt_verbose(const char *opt, const char *arg)
|
|
{
|
|
verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
|
|
return 0;
|
|
}
|
|
|
|
static int opt_frame_rate(const char *opt, const char *arg)
|
|
{
|
|
if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
|
|
fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
|
|
av_exit(1);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int opt_bitrate(const char *opt, const char *arg)
|
|
{
|
|
int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
|
|
|
|
opt_default(opt, arg);
|
|
|
|
if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
|
|
fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void opt_frame_crop_top(const char *arg)
|
|
{
|
|
frame_topBand = atoi(arg);
|
|
if (frame_topBand < 0) {
|
|
fprintf(stderr, "Incorrect top crop size\n");
|
|
av_exit(1);
|
|
}
|
|
if ((frame_topBand % 2) != 0) {
|
|
fprintf(stderr, "Top crop size must be a multiple of 2\n");
|
|
av_exit(1);
|
|
}
|
|
if ((frame_topBand) >= frame_height){
|
|
fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
|
|
av_exit(1);
|
|
}
|
|
frame_height -= frame_topBand;
|
|
}
|
|
|
|
static void opt_frame_crop_bottom(const char *arg)
|
|
{
|
|
frame_bottomBand = atoi(arg);
|
|
if (frame_bottomBand < 0) {
|
|
fprintf(stderr, "Incorrect bottom crop size\n");
|
|
av_exit(1);
|
|
}
|
|
if ((frame_bottomBand % 2) != 0) {
|
|
fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
|
|
av_exit(1);
|
|
}
|
|
if ((frame_bottomBand) >= frame_height){
|
|
fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
|
|
av_exit(1);
|
|
}
|
|
frame_height -= frame_bottomBand;
|
|
}
|
|
|
|
static void opt_frame_crop_left(const char *arg)
|
|
{
|
|
frame_leftBand = atoi(arg);
|
|
if (frame_leftBand < 0) {
|
|
fprintf(stderr, "Incorrect left crop size\n");
|
|
av_exit(1);
|
|
}
|
|
if ((frame_leftBand % 2) != 0) {
|
|
fprintf(stderr, "Left crop size must be a multiple of 2\n");
|
|
av_exit(1);
|
|
}
|
|
if ((frame_leftBand) >= frame_width){
|
|
fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
|
|
av_exit(1);
|
|
}
|
|
frame_width -= frame_leftBand;
|
|
}
|
|
|
|
static void opt_frame_crop_right(const char *arg)
|
|
{
|
|
frame_rightBand = atoi(arg);
|
|
if (frame_rightBand < 0) {
|
|
fprintf(stderr, "Incorrect right crop size\n");
|
|
av_exit(1);
|
|
}
|
|
if ((frame_rightBand % 2) != 0) {
|
|
fprintf(stderr, "Right crop size must be a multiple of 2\n");
|
|
av_exit(1);
|
|
}
|
|
if ((frame_rightBand) >= frame_width){
|
|
fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
|
|
av_exit(1);
|
|
}
|
|
frame_width -= frame_rightBand;
|
|
}
|
|
|
|
static void opt_frame_size(const char *arg)
|
|
{
|
|
if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
|
|
fprintf(stderr, "Incorrect frame size\n");
|
|
av_exit(1);
|
|
}
|
|
if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
|
|
fprintf(stderr, "Frame size must be a multiple of 2\n");
|
|
av_exit(1);
|
|
}
|
|
}
|
|
|
|
static void opt_pad_color(const char *arg) {
|
|
/* Input is expected to be six hex digits similar to
|
|
how colors are expressed in html tags (but without the #) */
|
|
int rgb = strtol(arg, NULL, 16);
|
|
int r,g,b;
|
|
|
|
r = (rgb >> 16);
|
|
g = ((rgb >> 8) & 255);
|
|
b = (rgb & 255);
|
|
|
|
padcolor[0] = RGB_TO_Y(r,g,b);
|
|
padcolor[1] = RGB_TO_U(r,g,b,0);
|
|
padcolor[2] = RGB_TO_V(r,g,b,0);
|
|
}
|
|
|
|
static void opt_frame_pad_top(const char *arg)
|
|
{
|
|
frame_padtop = atoi(arg);
|
|
if (frame_padtop < 0) {
|
|
fprintf(stderr, "Incorrect top pad size\n");
|
|
av_exit(1);
|
|
}
|
|
if ((frame_padtop % 2) != 0) {
|
|
fprintf(stderr, "Top pad size must be a multiple of 2\n");
|
|
av_exit(1);
|
|
}
|
|
}
|
|
|
|
static void opt_frame_pad_bottom(const char *arg)
|
|
{
|
|
frame_padbottom = atoi(arg);
|
|
if (frame_padbottom < 0) {
|
|
fprintf(stderr, "Incorrect bottom pad size\n");
|
|
av_exit(1);
|
|
}
|
|
if ((frame_padbottom % 2) != 0) {
|
|
fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
|
|
av_exit(1);
|
|
}
|
|
}
|
|
|
|
|
|
static void opt_frame_pad_left(const char *arg)
|
|
{
|
|
frame_padleft = atoi(arg);
|
|
if (frame_padleft < 0) {
|
|
fprintf(stderr, "Incorrect left pad size\n");
|
|
av_exit(1);
|
|
}
|
|
if ((frame_padleft % 2) != 0) {
|
|
fprintf(stderr, "Left pad size must be a multiple of 2\n");
|
|
av_exit(1);
|
|
}
|
|
}
|
|
|
|
|
|
static void opt_frame_pad_right(const char *arg)
|
|
{
|
|
frame_padright = atoi(arg);
|
|
if (frame_padright < 0) {
|
|
fprintf(stderr, "Incorrect right pad size\n");
|
|
av_exit(1);
|
|
}
|
|
if ((frame_padright % 2) != 0) {
|
|
fprintf(stderr, "Right pad size must be a multiple of 2\n");
|
|
av_exit(1);
|
|
}
|
|
}
|
|
|
|
static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
|
|
{
|
|
int i;
|
|
char fmt_str[128];
|
|
for (i=-1; i < nb_fmts; i++) {
|
|
get_fmt_string (fmt_str, sizeof(fmt_str), i);
|
|
fprintf(stdout, "%s\n", fmt_str);
|
|
}
|
|
}
|
|
|
|
static void opt_frame_pix_fmt(const char *arg)
|
|
{
|
|
if (strcmp(arg, "list")) {
|
|
frame_pix_fmt = avcodec_get_pix_fmt(arg);
|
|
if (frame_pix_fmt == PIX_FMT_NONE) {
|
|
fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
|
|
av_exit(1);
|
|
}
|
|
} else {
|
|
list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
|
|
av_exit(0);
|
|
}
|
|
}
|
|
|
|
static void opt_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) {
|
|
fprintf(stderr, "Incorrect aspect ratio specification.\n");
|
|
av_exit(1);
|
|
}
|
|
frame_aspect_ratio = ar;
|
|
}
|
|
|
|
static int opt_metadata(const char *opt, const char *arg)
|
|
{
|
|
char *mid= strchr(arg, '=');
|
|
|
|
if(!mid){
|
|
fprintf(stderr, "Missing =\n");
|
|
av_exit(1);
|
|
}
|
|
*mid++= 0;
|
|
|
|
metadata_count++;
|
|
metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
|
|
metadata[metadata_count-1].key = av_strdup(arg);
|
|
metadata[metadata_count-1].value= av_strdup(mid);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void opt_qscale(const char *arg)
|
|
{
|
|
video_qscale = atof(arg);
|
|
if (video_qscale <= 0 ||
|
|
video_qscale > 255) {
|
|
fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
|
|
av_exit(1);
|
|
}
|
|
}
|
|
|
|
static void opt_top_field_first(const char *arg)
|
|
{
|
|
top_field_first= atoi(arg);
|
|
}
|
|
|
|
static int opt_thread_count(const char *opt, const char *arg)
|
|
{
|
|
thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
|
|
#if !HAVE_THREADS
|
|
if (verbose >= 0)
|
|
fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
static void opt_audio_sample_fmt(const char *arg)
|
|
{
|
|
if (strcmp(arg, "list"))
|
|
audio_sample_fmt = avcodec_get_sample_fmt(arg);
|
|
else {
|
|
list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
|
|
av_exit(0);
|
|
}
|
|
}
|
|
|
|
static int opt_audio_rate(const char *opt, const char *arg)
|
|
{
|
|
audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
|
|
return 0;
|
|
}
|
|
|
|
static int opt_audio_channels(const char *opt, const char *arg)
|
|
{
|
|
audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
|
|
return 0;
|
|
}
|
|
|
|
static void opt_video_channel(const char *arg)
|
|
{
|
|
video_channel = strtol(arg, NULL, 0);
|
|
}
|
|
|
|
static void opt_video_standard(const char *arg)
|
|
{
|
|
video_standard = av_strdup(arg);
|
|
}
|
|
|
|
static void opt_codec(int *pstream_copy, char **pcodec_name,
|
|
int codec_type, const char *arg)
|
|
{
|
|
av_freep(pcodec_name);
|
|
if (!strcmp(arg, "copy")) {
|
|
*pstream_copy = 1;
|
|
} else {
|
|
*pcodec_name = av_strdup(arg);
|
|
}
|
|
}
|
|
|
|
static void opt_audio_codec(const char *arg)
|
|
{
|
|
opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
|
|
}
|
|
|
|
static void opt_audio_tag(const char *arg)
|
|
{
|
|
char *tail;
|
|
audio_codec_tag= strtol(arg, &tail, 0);
|
|
|
|
if(!tail || *tail)
|
|
audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
|
|
}
|
|
|
|
static void opt_video_tag(const char *arg)
|
|
{
|
|
char *tail;
|
|
video_codec_tag= strtol(arg, &tail, 0);
|
|
|
|
if(!tail || *tail)
|
|
video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
|
|
}
|
|
|
|
static void opt_video_codec(const char *arg)
|
|
{
|
|
opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
|
|
}
|
|
|
|
static void opt_subtitle_codec(const char *arg)
|
|
{
|
|
opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
|
|
}
|
|
|
|
static void opt_subtitle_tag(const char *arg)
|
|
{
|
|
char *tail;
|
|
subtitle_codec_tag= strtol(arg, &tail, 0);
|
|
|
|
if(!tail || *tail)
|
|
subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
|
|
}
|
|
|
|
static void opt_map(const char *arg)
|
|
{
|
|
AVStreamMap *m;
|
|
char *p;
|
|
|
|
m = &stream_maps[nb_stream_maps++];
|
|
|
|
m->file_index = strtol(arg, &p, 0);
|
|
if (*p)
|
|
p++;
|
|
|
|
m->stream_index = strtol(p, &p, 0);
|
|
if (*p) {
|
|
p++;
|
|
m->sync_file_index = strtol(p, &p, 0);
|
|
if (*p)
|
|
p++;
|
|
m->sync_stream_index = strtol(p, &p, 0);
|
|
} else {
|
|
m->sync_file_index = m->file_index;
|
|
m->sync_stream_index = m->stream_index;
|
|
}
|
|
}
|
|
|
|
static void opt_map_meta_data(const char *arg)
|
|
{
|
|
AVMetaDataMap *m;
|
|
char *p;
|
|
|
|
m = &meta_data_maps[nb_meta_data_maps++];
|
|
|
|
m->out_file = strtol(arg, &p, 0);
|
|
if (*p)
|
|
p++;
|
|
|
|
m->in_file = strtol(p, &p, 0);
|
|
}
|
|
|
|
static void opt_input_ts_scale(const char *arg)
|
|
{
|
|
unsigned int stream;
|
|
double scale;
|
|
char *p;
|
|
|
|
stream = strtol(arg, &p, 0);
|
|
if (*p)
|
|
p++;
|
|
scale= strtod(p, &p);
|
|
|
|
if(stream >= MAX_STREAMS)
|
|
av_exit(1);
|
|
|
|
input_files_ts_scale[nb_input_files][stream]= scale;
|
|
}
|
|
|
|
static int opt_recording_time(const char *opt, const char *arg)
|
|
{
|
|
recording_time = parse_time_or_die(opt, arg, 1);
|
|
return 0;
|
|
}
|
|
|
|
static int opt_start_time(const char *opt, const char *arg)
|
|
{
|
|
start_time = parse_time_or_die(opt, arg, 1);
|
|
return 0;
|
|
}
|
|
|
|
static int opt_rec_timestamp(const char *opt, const char *arg)
|
|
{
|
|
rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
|
|
return 0;
|
|
}
|
|
|
|
static int opt_input_ts_offset(const char *opt, const char *arg)
|
|
{
|
|
input_ts_offset = parse_time_or_die(opt, arg, 1);
|
|
return 0;
|
|
}
|
|
|
|
static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
|
|
{
|
|
const char *codec_string = encoder ? "encoder" : "decoder";
|
|
AVCodec *codec;
|
|
|
|
if(!name)
|
|
return CODEC_ID_NONE;
|
|
codec = encoder ?
|
|
avcodec_find_encoder_by_name(name) :
|
|
avcodec_find_decoder_by_name(name);
|
|
if(!codec) {
|
|
fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
|
|
av_exit(1);
|
|
}
|
|
if(codec->type != type) {
|
|
fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
|
|
av_exit(1);
|
|
}
|
|
return codec->id;
|
|
}
|
|
|
|
static void opt_input_file(const char *filename)
|
|
{
|
|
AVFormatContext *ic;
|
|
AVFormatParameters params, *ap = ¶ms;
|
|
int err, i, ret, rfps, rfps_base;
|
|
int64_t timestamp;
|
|
|
|
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();
|
|
|
|
memset(ap, 0, sizeof(*ap));
|
|
ap->prealloced_context = 1;
|
|
ap->sample_rate = audio_sample_rate;
|
|
ap->channels = audio_channels;
|
|
ap->time_base.den = frame_rate.num;
|
|
ap->time_base.num = frame_rate.den;
|
|
ap->width = frame_width + frame_padleft + frame_padright;
|
|
ap->height = frame_height + frame_padtop + frame_padbottom;
|
|
ap->pix_fmt = frame_pix_fmt;
|
|
// ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
|
|
ap->channel = video_channel;
|
|
ap->standard = video_standard;
|
|
ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
|
|
ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
|
|
if(pgmyuv_compatibility_hack)
|
|
ap->video_codec_id= CODEC_ID_PGMYUV;
|
|
|
|
set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
|
|
|
|
ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
|
|
ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
|
|
ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
|
|
ic->flags |= AVFMT_FLAG_NONBLOCK;
|
|
|
|
/* open the input file with generic libav function */
|
|
err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
|
|
if (err < 0) {
|
|
print_error(filename, err);
|
|
av_exit(1);
|
|
}
|
|
if(opt_programid) {
|
|
int i;
|
|
for(i=0; i<ic->nb_programs; i++)
|
|
if(ic->programs[i]->id != opt_programid)
|
|
ic->programs[i]->discard = AVDISCARD_ALL;
|
|
}
|
|
|
|
ic->loop_input = loop_input;
|
|
|
|
/* If not enough info to get the stream parameters, we decode the
|
|
first frames to get it. (used in mpeg case for example) */
|
|
ret = av_find_stream_info(ic);
|
|
if (ret < 0 && verbose >= 0) {
|
|
fprintf(stderr, "%s: could not find codec parameters\n", filename);
|
|
av_exit(1);
|
|
}
|
|
|
|
timestamp = 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 (start_time != 0) {
|
|
ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "%s: could not seek to position %0.3f\n",
|
|
filename, (double)timestamp / AV_TIME_BASE);
|
|
}
|
|
/* reset seek info */
|
|
start_time = 0;
|
|
}
|
|
|
|
/* update the current parameters so that they match the one of the input stream */
|
|
for(i=0;i<ic->nb_streams;i++) {
|
|
AVCodecContext *enc = ic->streams[i]->codec;
|
|
if(thread_count>1)
|
|
avcodec_thread_init(enc, thread_count);
|
|
enc->thread_count= thread_count;
|
|
switch(enc->codec_type) {
|
|
case CODEC_TYPE_AUDIO:
|
|
set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
|
|
//fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
|
|
channel_layout = enc->channel_layout;
|
|
audio_channels = enc->channels;
|
|
audio_sample_rate = enc->sample_rate;
|
|
audio_sample_fmt = enc->sample_fmt;
|
|
input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
|
|
if(audio_disable)
|
|
ic->streams[i]->discard= AVDISCARD_ALL;
|
|
break;
|
|
case CODEC_TYPE_VIDEO:
|
|
set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
|
|
frame_height = enc->height;
|
|
frame_width = enc->width;
|
|
if(ic->streams[i]->sample_aspect_ratio.num)
|
|
frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
|
|
else
|
|
frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
|
|
frame_aspect_ratio *= (float) enc->width / enc->height;
|
|
frame_pix_fmt = enc->pix_fmt;
|
|
rfps = ic->streams[i]->r_frame_rate.num;
|
|
rfps_base = ic->streams[i]->r_frame_rate.den;
|
|
if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
|
|
if(me_threshold)
|
|
enc->debug |= FF_DEBUG_MV;
|
|
|
|
if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
|
|
|
|
if (verbose >= 0)
|
|
fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
|
|
i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
|
|
|
|
(float)rfps / rfps_base, rfps, rfps_base);
|
|
}
|
|
/* update the current frame rate to match the stream frame rate */
|
|
frame_rate.num = rfps;
|
|
frame_rate.den = rfps_base;
|
|
|
|
input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
|
|
if(video_disable)
|
|
ic->streams[i]->discard= AVDISCARD_ALL;
|
|
else if(video_discard)
|
|
ic->streams[i]->discard= video_discard;
|
|
break;
|
|
case CODEC_TYPE_DATA:
|
|
break;
|
|
case CODEC_TYPE_SUBTITLE:
|
|
input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
|
|
if(subtitle_disable)
|
|
ic->streams[i]->discard = AVDISCARD_ALL;
|
|
break;
|
|
case CODEC_TYPE_ATTACHMENT:
|
|
case CODEC_TYPE_UNKNOWN:
|
|
nb_icodecs++;
|
|
break;
|
|
default:
|
|
abort();
|
|
}
|
|
}
|
|
|
|
input_files[nb_input_files] = ic;
|
|
input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
|
|
/* dump the file content */
|
|
if (verbose >= 0)
|
|
dump_format(ic, nb_input_files, filename, 0);
|
|
|
|
nb_input_files++;
|
|
file_iformat = NULL;
|
|
file_oformat = NULL;
|
|
|
|
video_channel = 0;
|
|
|
|
av_freep(&video_codec_name);
|
|
av_freep(&audio_codec_name);
|
|
av_freep(&subtitle_codec_name);
|
|
}
|
|
|
|
static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
|
|
int *has_subtitle_ptr)
|
|
{
|
|
int has_video, has_audio, has_subtitle, i, j;
|
|
AVFormatContext *ic;
|
|
|
|
has_video = 0;
|
|
has_audio = 0;
|
|
has_subtitle = 0;
|
|
for(j=0;j<nb_input_files;j++) {
|
|
ic = input_files[j];
|
|
for(i=0;i<ic->nb_streams;i++) {
|
|
AVCodecContext *enc = ic->streams[i]->codec;
|
|
switch(enc->codec_type) {
|
|
case CODEC_TYPE_AUDIO:
|
|
has_audio = 1;
|
|
break;
|
|
case CODEC_TYPE_VIDEO:
|
|
has_video = 1;
|
|
break;
|
|
case CODEC_TYPE_SUBTITLE:
|
|
has_subtitle = 1;
|
|
break;
|
|
case CODEC_TYPE_DATA:
|
|
case CODEC_TYPE_ATTACHMENT:
|
|
case CODEC_TYPE_UNKNOWN:
|
|
break;
|
|
default:
|
|
abort();
|
|
}
|
|
}
|
|
}
|
|
*has_video_ptr = has_video;
|
|
*has_audio_ptr = has_audio;
|
|
*has_subtitle_ptr = has_subtitle;
|
|
}
|
|
|
|
static void new_video_stream(AVFormatContext *oc)
|
|
{
|
|
AVStream *st;
|
|
AVCodecContext *video_enc;
|
|
int codec_id;
|
|
|
|
st = av_new_stream(oc, oc->nb_streams);
|
|
if (!st) {
|
|
fprintf(stderr, "Could not alloc stream\n");
|
|
av_exit(1);
|
|
}
|
|
avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
|
|
bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
|
|
video_bitstream_filters= NULL;
|
|
|
|
if(thread_count>1)
|
|
avcodec_thread_init(st->codec, thread_count);
|
|
|
|
video_enc = st->codec;
|
|
|
|
if(video_codec_tag)
|
|
video_enc->codec_tag= video_codec_tag;
|
|
|
|
if( (video_global_header&1)
|
|
|| (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
|
|
video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
|
|
avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
|
|
}
|
|
if(video_global_header&2){
|
|
video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
|
|
avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
|
|
}
|
|
|
|
if (video_stream_copy) {
|
|
st->stream_copy = 1;
|
|
video_enc->codec_type = CODEC_TYPE_VIDEO;
|
|
video_enc->sample_aspect_ratio =
|
|
st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
|
|
} else {
|
|
const char *p;
|
|
int i;
|
|
AVCodec *codec;
|
|
AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
|
|
|
|
if (video_codec_name) {
|
|
codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
|
|
codec = avcodec_find_encoder_by_name(video_codec_name);
|
|
output_codecs[nb_ocodecs] = codec;
|
|
} else {
|
|
codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
|
|
codec = avcodec_find_encoder(codec_id);
|
|
}
|
|
|
|
video_enc->codec_id = codec_id;
|
|
|
|
set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
|
|
|
|
if (codec && codec->supported_framerates && !force_fps)
|
|
fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
|
|
video_enc->time_base.den = fps.num;
|
|
video_enc->time_base.num = fps.den;
|
|
|
|
video_enc->width = frame_width + frame_padright + frame_padleft;
|
|
video_enc->height = frame_height + frame_padtop + frame_padbottom;
|
|
video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
|
|
video_enc->pix_fmt = frame_pix_fmt;
|
|
st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
|
|
|
|
if(codec && codec->pix_fmts){
|
|
const enum PixelFormat *p= codec->pix_fmts;
|
|
for(; *p!=-1; p++){
|
|
if(*p == video_enc->pix_fmt)
|
|
break;
|
|
}
|
|
if(*p == -1)
|
|
video_enc->pix_fmt = codec->pix_fmts[0];
|
|
}
|
|
|
|
if (intra_only)
|
|
video_enc->gop_size = 0;
|
|
if (video_qscale || same_quality) {
|
|
video_enc->flags |= CODEC_FLAG_QSCALE;
|
|
video_enc->global_quality=
|
|
st->quality = FF_QP2LAMBDA * video_qscale;
|
|
}
|
|
|
|
if(intra_matrix)
|
|
video_enc->intra_matrix = intra_matrix;
|
|
if(inter_matrix)
|
|
video_enc->inter_matrix = inter_matrix;
|
|
|
|
video_enc->thread_count = thread_count;
|
|
p= video_rc_override_string;
|
|
for(i=0; p; i++){
|
|
int start, end, q;
|
|
int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
|
|
if(e!=3){
|
|
fprintf(stderr, "error parsing rc_override\n");
|
|
av_exit(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->me_threshold= me_threshold;
|
|
video_enc->intra_dc_precision= intra_dc_precision - 8;
|
|
|
|
if (do_psnr)
|
|
video_enc->flags|= CODEC_FLAG_PSNR;
|
|
|
|
/* two pass mode */
|
|
if (do_pass) {
|
|
if (do_pass == 1) {
|
|
video_enc->flags |= CODEC_FLAG_PASS1;
|
|
} else {
|
|
video_enc->flags |= CODEC_FLAG_PASS2;
|
|
}
|
|
}
|
|
}
|
|
nb_ocodecs++;
|
|
|
|
/* reset some key parameters */
|
|
video_disable = 0;
|
|
av_freep(&video_codec_name);
|
|
video_stream_copy = 0;
|
|
}
|
|
|
|
static void new_audio_stream(AVFormatContext *oc)
|
|
{
|
|
AVStream *st;
|
|
AVCodecContext *audio_enc;
|
|
int codec_id;
|
|
|
|
st = av_new_stream(oc, oc->nb_streams);
|
|
if (!st) {
|
|
fprintf(stderr, "Could not alloc stream\n");
|
|
av_exit(1);
|
|
}
|
|
avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
|
|
|
|
bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
|
|
audio_bitstream_filters= NULL;
|
|
|
|
if(thread_count>1)
|
|
avcodec_thread_init(st->codec, thread_count);
|
|
|
|
audio_enc = st->codec;
|
|
audio_enc->codec_type = CODEC_TYPE_AUDIO;
|
|
|
|
if(audio_codec_tag)
|
|
audio_enc->codec_tag= audio_codec_tag;
|
|
|
|
if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
|
|
audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
|
|
avcodec_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
|
|
}
|
|
if (audio_stream_copy) {
|
|
st->stream_copy = 1;
|
|
audio_enc->channels = audio_channels;
|
|
} else {
|
|
AVCodec *codec;
|
|
|
|
set_context_opts(audio_enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
|
|
|
|
if (audio_codec_name) {
|
|
codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
|
|
codec = avcodec_find_encoder_by_name(audio_codec_name);
|
|
output_codecs[nb_ocodecs] = codec;
|
|
} else {
|
|
codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
|
|
codec = avcodec_find_encoder(codec_id);
|
|
}
|
|
audio_enc->codec_id = codec_id;
|
|
|
|
if (audio_qscale > QSCALE_NONE) {
|
|
audio_enc->flags |= CODEC_FLAG_QSCALE;
|
|
audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
|
|
}
|
|
audio_enc->thread_count = thread_count;
|
|
audio_enc->channels = audio_channels;
|
|
audio_enc->sample_fmt = audio_sample_fmt;
|
|
audio_enc->channel_layout = channel_layout;
|
|
if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
|
|
audio_enc->channel_layout = 0;
|
|
|
|
if(codec && codec->sample_fmts){
|
|
const enum SampleFormat *p= codec->sample_fmts;
|
|
for(; *p!=-1; p++){
|
|
if(*p == audio_enc->sample_fmt)
|
|
break;
|
|
}
|
|
if(*p == -1)
|
|
audio_enc->sample_fmt = codec->sample_fmts[0];
|
|
}
|
|
}
|
|
nb_ocodecs++;
|
|
audio_enc->sample_rate = audio_sample_rate;
|
|
audio_enc->time_base= (AVRational){1, audio_sample_rate};
|
|
if (audio_language) {
|
|
av_metadata_set(&st->metadata, "language", audio_language);
|
|
av_free(audio_language);
|
|
audio_language = NULL;
|
|
}
|
|
|
|
/* reset some key parameters */
|
|
audio_disable = 0;
|
|
av_freep(&audio_codec_name);
|
|
audio_stream_copy = 0;
|
|
}
|
|
|
|
static void new_subtitle_stream(AVFormatContext *oc)
|
|
{
|
|
AVStream *st;
|
|
AVCodecContext *subtitle_enc;
|
|
|
|
st = av_new_stream(oc, oc->nb_streams);
|
|
if (!st) {
|
|
fprintf(stderr, "Could not alloc stream\n");
|
|
av_exit(1);
|
|
}
|
|
avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
|
|
|
|
bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
|
|
subtitle_bitstream_filters= NULL;
|
|
|
|
subtitle_enc = st->codec;
|
|
subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
|
|
|
|
if(subtitle_codec_tag)
|
|
subtitle_enc->codec_tag= subtitle_codec_tag;
|
|
|
|
if (subtitle_stream_copy) {
|
|
st->stream_copy = 1;
|
|
} else {
|
|
set_context_opts(avcodec_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
|
|
subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
|
|
output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
|
|
}
|
|
nb_ocodecs++;
|
|
|
|
if (subtitle_language) {
|
|
av_metadata_set(&st->metadata, "language", subtitle_language);
|
|
av_free(subtitle_language);
|
|
subtitle_language = NULL;
|
|
}
|
|
|
|
subtitle_disable = 0;
|
|
av_freep(&subtitle_codec_name);
|
|
subtitle_stream_copy = 0;
|
|
}
|
|
|
|
static void opt_new_audio_stream(void)
|
|
{
|
|
AVFormatContext *oc;
|
|
if (nb_output_files <= 0) {
|
|
fprintf(stderr, "At least one output file must be specified\n");
|
|
av_exit(1);
|
|
}
|
|
oc = output_files[nb_output_files - 1];
|
|
new_audio_stream(oc);
|
|
}
|
|
|
|
static void opt_new_video_stream(void)
|
|
{
|
|
AVFormatContext *oc;
|
|
if (nb_output_files <= 0) {
|
|
fprintf(stderr, "At least one output file must be specified\n");
|
|
av_exit(1);
|
|
}
|
|
oc = output_files[nb_output_files - 1];
|
|
new_video_stream(oc);
|
|
}
|
|
|
|
static void opt_new_subtitle_stream(void)
|
|
{
|
|
AVFormatContext *oc;
|
|
if (nb_output_files <= 0) {
|
|
fprintf(stderr, "At least one output file must be specified\n");
|
|
av_exit(1);
|
|
}
|
|
oc = output_files[nb_output_files - 1];
|
|
new_subtitle_stream(oc);
|
|
}
|
|
|
|
static void opt_output_file(const char *filename)
|
|
{
|
|
AVFormatContext *oc;
|
|
int use_video, use_audio, use_subtitle;
|
|
int input_has_video, input_has_audio, input_has_subtitle;
|
|
AVFormatParameters params, *ap = ¶ms;
|
|
|
|
if (!strcmp(filename, "-"))
|
|
filename = "pipe:";
|
|
|
|
oc = avformat_alloc_context();
|
|
|
|
if (!file_oformat) {
|
|
file_oformat = guess_format(NULL, filename, NULL);
|
|
if (!file_oformat) {
|
|
fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
|
|
filename);
|
|
av_exit(1);
|
|
}
|
|
}
|
|
|
|
oc->oformat = file_oformat;
|
|
av_strlcpy(oc->filename, filename, sizeof(oc->filename));
|
|
|
|
if (!strcmp(file_oformat->name, "ffm") &&
|
|
av_strstart(filename, "http:", NULL)) {
|
|
/* special case for files sent to ffserver: we get the stream
|
|
parameters from ffserver */
|
|
int err = read_ffserver_streams(oc, filename);
|
|
if (err < 0) {
|
|
print_error(filename, err);
|
|
av_exit(1);
|
|
}
|
|
} else {
|
|
use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
|
|
use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
|
|
use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
|
|
|
|
/* disable if no corresponding type found and at least one
|
|
input file */
|
|
if (nb_input_files > 0) {
|
|
check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
|
|
&input_has_subtitle);
|
|
if (!input_has_video)
|
|
use_video = 0;
|
|
if (!input_has_audio)
|
|
use_audio = 0;
|
|
if (!input_has_subtitle)
|
|
use_subtitle = 0;
|
|
}
|
|
|
|
/* manual disable */
|
|
if (audio_disable) {
|
|
use_audio = 0;
|
|
}
|
|
if (video_disable) {
|
|
use_video = 0;
|
|
}
|
|
if (subtitle_disable) {
|
|
use_subtitle = 0;
|
|
}
|
|
|
|
if (use_video) {
|
|
new_video_stream(oc);
|
|
}
|
|
|
|
if (use_audio) {
|
|
new_audio_stream(oc);
|
|
}
|
|
|
|
if (use_subtitle) {
|
|
new_subtitle_stream(oc);
|
|
}
|
|
|
|
oc->timestamp = rec_timestamp;
|
|
|
|
for(; metadata_count>0; metadata_count--){
|
|
av_metadata_set(&oc->metadata, metadata[metadata_count-1].key,
|
|
metadata[metadata_count-1].value);
|
|
}
|
|
av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
|
|
}
|
|
|
|
output_files[nb_output_files++] = oc;
|
|
|
|
/* 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_NUMEXPECTED);
|
|
av_exit(1);
|
|
}
|
|
}
|
|
|
|
if (!(oc->oformat->flags & AVFMT_NOFILE)) {
|
|
/* test if it already exists to avoid loosing precious files */
|
|
if (!file_overwrite &&
|
|
(strchr(filename, ':') == NULL ||
|
|
filename[1] == ':' ||
|
|
av_strstart(filename, "file:", NULL))) {
|
|
if (url_exist(filename)) {
|
|
if (!using_stdin) {
|
|
fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
|
|
fflush(stderr);
|
|
if (!read_yesno()) {
|
|
fprintf(stderr, "Not overwriting - exiting\n");
|
|
av_exit(1);
|
|
}
|
|
}
|
|
else {
|
|
fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
|
|
av_exit(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* open the file */
|
|
if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
|
|
fprintf(stderr, "Could not open '%s'\n", filename);
|
|
av_exit(1);
|
|
}
|
|
}
|
|
|
|
memset(ap, 0, sizeof(*ap));
|
|
if (av_set_parameters(oc, ap) < 0) {
|
|
fprintf(stderr, "%s: Invalid encoding parameters\n",
|
|
oc->filename);
|
|
av_exit(1);
|
|
}
|
|
|
|
oc->preload= (int)(mux_preload*AV_TIME_BASE);
|
|
oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
|
|
oc->loop_output = loop_output;
|
|
oc->flags |= AVFMT_FLAG_NONBLOCK;
|
|
|
|
set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
|
|
|
|
/* reset some options */
|
|
file_oformat = NULL;
|
|
file_iformat = NULL;
|
|
}
|
|
|
|
/* same option as mencoder */
|
|
static void opt_pass(const char *pass_str)
|
|
{
|
|
int pass;
|
|
pass = atoi(pass_str);
|
|
if (pass != 1 && pass != 2) {
|
|
fprintf(stderr, "pass number can be only 1 or 2\n");
|
|
av_exit(1);
|
|
}
|
|
do_pass = pass;
|
|
}
|
|
|
|
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 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) {
|
|
fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
|
|
av_exit(1);
|
|
}
|
|
p++;
|
|
}
|
|
}
|
|
|
|
static void opt_inter_matrix(const char *arg)
|
|
{
|
|
inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
|
|
parse_matrix_coeffs(inter_matrix, arg);
|
|
}
|
|
|
|
static void opt_intra_matrix(const char *arg)
|
|
{
|
|
intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
|
|
parse_matrix_coeffs(intra_matrix, arg);
|
|
}
|
|
|
|
/**
|
|
* Trivial log callback.
|
|
* Only suitable for show_help and similar since it lacks prefix handling.
|
|
*/
|
|
static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
|
|
{
|
|
vfprintf(stdout, fmt, vl);
|
|
}
|
|
|
|
static void show_help(void)
|
|
{
|
|
av_log_set_callback(log_callback_help);
|
|
printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
|
|
"Hyper fast Audio and Video encoder\n");
|
|
printf("\n");
|
|
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");
|
|
av_opt_show(avcodec_opts[0], NULL);
|
|
printf("\n");
|
|
av_opt_show(avformat_opts, NULL);
|
|
printf("\n");
|
|
av_opt_show(sws_opts, NULL);
|
|
}
|
|
|
|
static void opt_target(const char *arg)
|
|
{
|
|
int norm = -1;
|
|
static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
|
|
|
|
if(!strncmp(arg, "pal-", 4)) {
|
|
norm = 0;
|
|
arg += 4;
|
|
} else if(!strncmp(arg, "ntsc-", 5)) {
|
|
norm = 1;
|
|
arg += 5;
|
|
} else if(!strncmp(arg, "film-", 5)) {
|
|
norm = 2;
|
|
arg += 5;
|
|
} else {
|
|
int fr;
|
|
/* Calculate FR via float to avoid int overflow */
|
|
fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
|
|
if(fr == 25000) {
|
|
norm = 0;
|
|
} else if((fr == 29970) || (fr == 23976)) {
|
|
norm = 1;
|
|
} else {
|
|
/* Try to determine PAL/NTSC by peeking in the input files */
|
|
if(nb_input_files) {
|
|
int i, j;
|
|
for(j = 0; j < nb_input_files; j++) {
|
|
for(i = 0; i < input_files[j]->nb_streams; i++) {
|
|
AVCodecContext *c = input_files[j]->streams[i]->codec;
|
|
if(c->codec_type != CODEC_TYPE_VIDEO)
|
|
continue;
|
|
fr = c->time_base.den * 1000 / c->time_base.num;
|
|
if(fr == 25000) {
|
|
norm = 0;
|
|
break;
|
|
} else if((fr == 29970) || (fr == 23976)) {
|
|
norm = 1;
|
|
break;
|
|
}
|
|
}
|
|
if(norm >= 0)
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if(verbose && norm >= 0)
|
|
fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
|
|
}
|
|
|
|
if(norm < 0) {
|
|
fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
|
|
fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
|
|
fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
|
|
av_exit(1);
|
|
}
|
|
|
|
if(!strcmp(arg, "vcd")) {
|
|
|
|
opt_video_codec("mpeg1video");
|
|
opt_audio_codec("mp2");
|
|
opt_format("vcd");
|
|
|
|
opt_frame_size(norm ? "352x240" : "352x288");
|
|
opt_frame_rate(NULL, frame_rates[norm]);
|
|
opt_default("gop", norm ? "18" : "15");
|
|
|
|
opt_default("b", "1150000");
|
|
opt_default("maxrate", "1150000");
|
|
opt_default("minrate", "1150000");
|
|
opt_default("bufsize", "327680"); // 40*1024*8;
|
|
|
|
opt_default("ab", "224000");
|
|
audio_sample_rate = 44100;
|
|
audio_channels = 2;
|
|
|
|
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. */
|
|
mux_preload= (36000+3*1200) / 90000.0; //0.44
|
|
} else if(!strcmp(arg, "svcd")) {
|
|
|
|
opt_video_codec("mpeg2video");
|
|
opt_audio_codec("mp2");
|
|
opt_format("svcd");
|
|
|
|
opt_frame_size(norm ? "480x480" : "480x576");
|
|
opt_frame_rate(NULL, frame_rates[norm]);
|
|
opt_default("gop", norm ? "18" : "15");
|
|
|
|
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("ab", "224000");
|
|
audio_sample_rate = 44100;
|
|
|
|
opt_default("packetsize", "2324");
|
|
|
|
} else if(!strcmp(arg, "dvd")) {
|
|
|
|
opt_video_codec("mpeg2video");
|
|
opt_audio_codec("ac3");
|
|
opt_format("dvd");
|
|
|
|
opt_frame_size(norm ? "720x480" : "720x576");
|
|
opt_frame_rate(NULL, frame_rates[norm]);
|
|
opt_default("gop", norm ? "18" : "15");
|
|
|
|
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("ab", "448000");
|
|
audio_sample_rate = 48000;
|
|
|
|
} else if(!strncmp(arg, "dv", 2)) {
|
|
|
|
opt_format("dv");
|
|
|
|
opt_frame_size(norm ? "720x480" : "720x576");
|
|
opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
|
|
(norm ? "yuv411p" : "yuv420p"));
|
|
opt_frame_rate(NULL, frame_rates[norm]);
|
|
|
|
audio_sample_rate = 48000;
|
|
audio_channels = 2;
|
|
|
|
} else {
|
|
fprintf(stderr, "Unknown target: %s\n", arg);
|
|
av_exit(1);
|
|
}
|
|
}
|
|
|
|
static void opt_vstats_file (const char *arg)
|
|
{
|
|
av_free (vstats_filename);
|
|
vstats_filename=av_strdup (arg);
|
|
}
|
|
|
|
static void opt_vstats (void)
|
|
{
|
|
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);
|
|
opt_vstats_file(filename);
|
|
}
|
|
|
|
static int opt_bsf(const char *opt, const char *arg)
|
|
{
|
|
AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
|
|
AVBitStreamFilterContext **bsfp;
|
|
|
|
if(!bsfc){
|
|
fprintf(stderr, "Unknown bitstream filter %s\n", arg);
|
|
av_exit(1);
|
|
}
|
|
|
|
bsfp= *opt == 'v' ? &video_bitstream_filters :
|
|
*opt == 'a' ? &audio_bitstream_filters :
|
|
&subtitle_bitstream_filters;
|
|
while(*bsfp)
|
|
bsfp= &(*bsfp)->next;
|
|
|
|
*bsfp= bsfc;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int opt_preset(const char *opt, const char *arg)
|
|
{
|
|
FILE *f=NULL;
|
|
char filename[1000], tmp[1000], tmp2[1000], line[1000];
|
|
int i;
|
|
const char *base[2]= { getenv("HOME"),
|
|
FFMPEG_DATADIR,
|
|
};
|
|
|
|
for(i=!base[0]; i<2 && !f; i++){
|
|
snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i ? "" : "/.ffmpeg", arg);
|
|
f= fopen(filename, "r");
|
|
if(!f){
|
|
char *codec_name= *opt == 'v' ? video_codec_name :
|
|
*opt == 'a' ? audio_codec_name :
|
|
subtitle_codec_name;
|
|
snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i ? "" : "/.ffmpeg", codec_name, arg);
|
|
f= fopen(filename, "r");
|
|
}
|
|
}
|
|
if(!f && ((arg[0]=='.' && arg[1]=='/') || arg[0]=='/' ||
|
|
is_dos_path(arg))){
|
|
av_strlcpy(filename, arg, sizeof(filename));
|
|
f= fopen(filename, "r");
|
|
}
|
|
|
|
if(!f){
|
|
fprintf(stderr, "File for preset '%s' not found\n", arg);
|
|
av_exit(1);
|
|
}
|
|
|
|
while(!feof(f)){
|
|
int e= fscanf(f, "%999[^\n]\n", line) - 1;
|
|
if(line[0] == '#' && !e)
|
|
continue;
|
|
e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
|
|
if(e){
|
|
fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
|
|
av_exit(1);
|
|
}
|
|
if(!strcmp(tmp, "acodec")){
|
|
opt_audio_codec(tmp2);
|
|
}else if(!strcmp(tmp, "vcodec")){
|
|
opt_video_codec(tmp2);
|
|
}else if(!strcmp(tmp, "scodec")){
|
|
opt_subtitle_codec(tmp2);
|
|
}else if(opt_default(tmp, tmp2) < 0){
|
|
fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
|
|
av_exit(1);
|
|
}
|
|
}
|
|
|
|
fclose(f);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const OptionDef options[] = {
|
|
/* main options */
|
|
{ "L", OPT_EXIT, {(void*)show_license}, "show license" },
|
|
{ "h", OPT_EXIT, {(void*)show_help}, "show help" },
|
|
{ "version", OPT_EXIT, {(void*)show_version}, "show version" },
|
|
{ "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
|
|
{ "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
|
|
{ "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
|
|
{ "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
|
|
{ "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
|
|
{ "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
|
|
{ "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
|
|
{ "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
|
|
{ "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
|
|
{ "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
|
|
{ "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
|
|
{ "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
|
|
{ "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
|
|
{ "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
|
|
{ "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
|
|
"add timings for benchmarking" },
|
|
{ "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, {(void*)&rate_emu}, "read input at native frame rate", "" },
|
|
{ "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
|
|
{ "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "number of times to loop output in formats that support looping (0 loops forever)", "" },
|
|
{ "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
|
|
{ "loglevel", HAS_ARG | OPT_FUNC2, {(void*)opt_loglevel}, "set libav* logging level", "number" },
|
|
{ "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
|
|
{ "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
|
|
{ "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "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" },
|
|
{ "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
|
|
{ "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
|
|
{ "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" },
|
|
{ "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
|
|
{ "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
|
|
{ "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
|
|
|
|
/* video options */
|
|
{ "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
|
|
{ "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
|
|
{ "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
|
|
{ "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
|
|
{ "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
|
|
{ "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
|
|
{ "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format, 'list' as argument shows all the pixel formats supported", "format" },
|
|
{ "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
|
|
{ "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
|
|
{ "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
|
|
{ "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
|
|
{ "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
|
|
{ "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
|
|
{ "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
|
|
{ "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
|
|
{ "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
|
|
{ "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
|
|
{ "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
|
|
{ "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
|
|
{ "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
|
|
{ "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
|
|
{ "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
|
|
{ "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
|
|
{ "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
|
|
"use same video quality 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_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
|
|
"deinterlace pictures" },
|
|
{ "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
|
|
{ "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" },
|
|
{ "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
|
|
{ "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
|
|
{ "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_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, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
|
|
{ "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
|
|
{ "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
|
|
{ "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
|
|
|
|
/* audio options */
|
|
{ "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
|
|
{ "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
|
|
{ "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
|
|
{ "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
|
|
{ "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
|
|
{ "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
|
|
{ "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
|
|
{ "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(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" }, //
|
|
{ "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
|
|
{ "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
|
|
{ "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_sample_fmt}, "set sample format, 'list' as argument shows all the sample formats supported", "format" },
|
|
|
|
/* subtitle options */
|
|
{ "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
|
|
{ "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
|
|
{ "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
|
|
{ "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
|
|
{ "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
|
|
|
|
/* grab options */
|
|
{ "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
|
|
{ "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
|
|
{ "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
|
|
|
|
/* muxer options */
|
|
{ "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
|
|
{ "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
|
|
|
|
{ "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
|
|
{ "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
|
|
{ "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
|
|
|
|
{ "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
|
|
{ "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
|
|
{ "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
|
|
|
|
{ "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
|
|
{ NULL, },
|
|
};
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
int i;
|
|
int64_t ti;
|
|
|
|
avcodec_register_all();
|
|
avdevice_register_all();
|
|
av_register_all();
|
|
|
|
if(isatty(STDIN_FILENO))
|
|
url_set_interrupt_cb(decode_interrupt_cb);
|
|
|
|
for(i=0; i<CODEC_TYPE_NB; i++){
|
|
avcodec_opts[i]= avcodec_alloc_context2(i);
|
|
}
|
|
avformat_opts = avformat_alloc_context();
|
|
sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
|
|
|
|
show_banner();
|
|
|
|
/* parse options */
|
|
parse_options(argc, argv, options, opt_output_file);
|
|
|
|
/* file converter / grab */
|
|
if (nb_output_files <= 0) {
|
|
fprintf(stderr, "At least one output file must be specified\n");
|
|
av_exit(1);
|
|
}
|
|
|
|
if (nb_input_files == 0) {
|
|
fprintf(stderr, "At least one input file must be specified\n");
|
|
av_exit(1);
|
|
}
|
|
|
|
ti = getutime();
|
|
if (av_encode(output_files, nb_output_files, input_files, nb_input_files,
|
|
stream_maps, nb_stream_maps) < 0)
|
|
av_exit(1);
|
|
ti = getutime() - ti;
|
|
if (do_benchmark) {
|
|
printf("bench: utime=%0.3fs\n", ti / 1000000.0);
|
|
}
|
|
|
|
return av_exit(0);
|
|
}
|