2316 lines
90 KiB
C
2316 lines
90 KiB
C
/*
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* ffmpeg option parsing
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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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#include <stdint.h>
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#include "ffmpeg.h"
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#include "cmdutils.h"
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#include "libavformat/avformat.h"
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#include "libavcodec/avcodec.h"
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#include "libavfilter/avfilter.h"
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#include "libavfilter/avfiltergraph.h"
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#include "libavutil/audioconvert.h"
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#include "libavutil/avassert.h"
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#include "libavutil/avstring.h"
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#include "libavutil/avutil.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/fifo.h"
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#include "libavutil/mathematics.h"
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#include "libavutil/opt.h"
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#include "libavutil/parseutils.h"
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#include "libavutil/pixdesc.h"
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#include "libavutil/pixfmt.h"
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#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
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{\
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int i, ret;\
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for (i = 0; i < o->nb_ ## name; i++) {\
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char *spec = o->name[i].specifier;\
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if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
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outvar = o->name[i].u.type;\
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else if (ret < 0)\
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exit_program(1);\
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}\
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}
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const char *pass_logfilename_prefix;
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char *vstats_filename;
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float audio_drift_threshold = 0.1;
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float dts_delta_threshold = 10;
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float dts_error_threshold = 3600*30;
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int audio_volume = 256;
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int audio_sync_method = 0;
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int video_sync_method = VSYNC_AUTO;
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int do_deinterlace = 0;
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int do_benchmark = 0;
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int do_benchmark_all = 0;
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int do_hex_dump = 0;
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int do_pkt_dump = 0;
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int copy_ts = 0;
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int copy_tb = -1;
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int debug_ts = 0;
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int opt_shortest = 0;
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int exit_on_error = 0;
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int print_stats = 1;
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int qp_hist = 0;
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int same_quant = 0;
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int stdin_interaction = 1;
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int frame_bits_per_raw_sample = 0;
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static int intra_only = 0;
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static const char *video_codec_name = NULL;
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static const char *audio_codec_name = NULL;
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static const char *subtitle_codec_name = NULL;
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static int file_overwrite = 0;
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static int no_file_overwrite = 0;
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static int video_discard = 0;
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static int intra_dc_precision = 8;
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static int do_psnr = 0;
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static int do_pass = 0;
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static int input_sync;
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void reset_options(OptionsContext *o, int is_input)
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{
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const OptionDef *po = options;
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OptionsContext bak= *o;
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int i;
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/* all OPT_SPEC and OPT_STRING can be freed in generic way */
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while (po->name) {
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void *dst = (uint8_t*)o + po->u.off;
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if (po->flags & OPT_SPEC) {
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SpecifierOpt **so = dst;
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int i, *count = (int*)(so + 1);
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for (i = 0; i < *count; i++) {
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av_freep(&(*so)[i].specifier);
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if (po->flags & OPT_STRING)
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av_freep(&(*so)[i].u.str);
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}
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av_freep(so);
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*count = 0;
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} else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
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av_freep(dst);
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po++;
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}
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for (i = 0; i < o->nb_stream_maps; i++)
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av_freep(&o->stream_maps[i].linklabel);
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av_freep(&o->stream_maps);
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av_freep(&o->audio_channel_maps);
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av_freep(&o->streamid_map);
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memset(o, 0, sizeof(*o));
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if (is_input) {
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o->recording_time = bak.recording_time;
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if (o->recording_time != INT64_MAX)
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av_log(NULL, AV_LOG_WARNING,
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"-t is not an input option, keeping it for the next output;"
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" consider fixing your command line.\n");
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} else
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o->recording_time = INT64_MAX;
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o->mux_max_delay = 0.7;
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o->limit_filesize = UINT64_MAX;
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o->chapters_input_file = INT_MAX;
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uninit_opts();
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init_opts();
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}
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static int opt_frame_crop(const char *opt, const char *arg)
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{
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av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
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return AVERROR(EINVAL);
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}
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static int opt_pad(const char *opt, const char *arg)
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{
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av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt);
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return -1;
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}
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static int opt_video_channel(const char *opt, const char *arg)
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{
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av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
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return opt_default("channel", arg);
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}
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static int opt_video_standard(const char *opt, const char *arg)
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{
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av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
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return opt_default("standard", arg);
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}
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static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
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{
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audio_codec_name = arg;
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return parse_option(o, "codec:a", arg, options);
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}
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static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
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{
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video_codec_name = arg;
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return parse_option(o, "codec:v", arg, options);
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}
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static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
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{
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subtitle_codec_name = arg;
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return parse_option(o, "codec:s", arg, options);
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}
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static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
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{
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return parse_option(o, "codec:d", arg, options);
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}
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static int opt_map(OptionsContext *o, const char *opt, const char *arg)
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{
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StreamMap *m = NULL;
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int i, negative = 0, file_idx;
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int sync_file_idx = -1, sync_stream_idx = 0;
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char *p, *sync;
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char *map;
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if (*arg == '-') {
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negative = 1;
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arg++;
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}
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map = av_strdup(arg);
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/* parse sync stream first, just pick first matching stream */
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if (sync = strchr(map, ',')) {
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*sync = 0;
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sync_file_idx = strtol(sync + 1, &sync, 0);
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if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
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av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
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exit_program(1);
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}
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if (*sync)
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sync++;
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for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
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if (check_stream_specifier(input_files[sync_file_idx]->ctx,
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input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
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sync_stream_idx = i;
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break;
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}
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if (i == input_files[sync_file_idx]->nb_streams) {
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av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
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"match any streams.\n", arg);
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exit_program(1);
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}
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}
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if (map[0] == '[') {
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/* this mapping refers to lavfi output */
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const char *c = map + 1;
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o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
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&o->nb_stream_maps, o->nb_stream_maps + 1);
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m = &o->stream_maps[o->nb_stream_maps - 1];
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m->linklabel = av_get_token(&c, "]");
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if (!m->linklabel) {
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av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
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exit_program(1);
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}
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} else {
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file_idx = strtol(map, &p, 0);
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if (file_idx >= nb_input_files || file_idx < 0) {
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av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
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exit_program(1);
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}
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if (negative)
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/* disable some already defined maps */
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for (i = 0; i < o->nb_stream_maps; i++) {
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m = &o->stream_maps[i];
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if (file_idx == m->file_index &&
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check_stream_specifier(input_files[m->file_index]->ctx,
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input_files[m->file_index]->ctx->streams[m->stream_index],
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*p == ':' ? p + 1 : p) > 0)
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m->disabled = 1;
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}
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else
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for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
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if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
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*p == ':' ? p + 1 : p) <= 0)
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continue;
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o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
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&o->nb_stream_maps, o->nb_stream_maps + 1);
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m = &o->stream_maps[o->nb_stream_maps - 1];
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m->file_index = file_idx;
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m->stream_index = i;
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if (sync_file_idx >= 0) {
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m->sync_file_index = sync_file_idx;
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m->sync_stream_index = sync_stream_idx;
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} else {
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m->sync_file_index = file_idx;
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m->sync_stream_index = i;
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}
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}
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}
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if (!m) {
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av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
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exit_program(1);
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}
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av_freep(&map);
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return 0;
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}
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static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
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{
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o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
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&o->nb_attachments, o->nb_attachments + 1);
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o->attachments[o->nb_attachments - 1] = arg;
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return 0;
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}
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static int opt_map_channel(OptionsContext *o, const char *opt, const char *arg)
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{
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int n;
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AVStream *st;
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AudioChannelMap *m;
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o->audio_channel_maps =
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grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
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&o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
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m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
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/* muted channel syntax */
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n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
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if ((n == 1 || n == 3) && m->channel_idx == -1) {
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m->file_idx = m->stream_idx = -1;
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if (n == 1)
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m->ofile_idx = m->ostream_idx = -1;
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return 0;
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}
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/* normal syntax */
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n = sscanf(arg, "%d.%d.%d:%d.%d",
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&m->file_idx, &m->stream_idx, &m->channel_idx,
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&m->ofile_idx, &m->ostream_idx);
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if (n != 3 && n != 5) {
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av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
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"[file.stream.channel|-1][:syncfile:syncstream]\n");
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exit_program(1);
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}
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if (n != 5) // only file.stream.channel specified
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m->ofile_idx = m->ostream_idx = -1;
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/* check input */
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if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
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av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
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m->file_idx);
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exit_program(1);
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}
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if (m->stream_idx < 0 ||
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m->stream_idx >= input_files[m->file_idx]->nb_streams) {
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av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
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m->file_idx, m->stream_idx);
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exit_program(1);
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}
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st = input_files[m->file_idx]->ctx->streams[m->stream_idx];
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if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
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av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
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m->file_idx, m->stream_idx);
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exit_program(1);
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}
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if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
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av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
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m->file_idx, m->stream_idx, m->channel_idx);
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exit_program(1);
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}
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return 0;
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}
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/**
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* Parse a metadata specifier in arg.
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* @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
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* @param index for type c/p, chapter/program index is written here
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* @param stream_spec for type s, the stream specifier is written here
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*/
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static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
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{
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if (*arg) {
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*type = *arg;
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switch (*arg) {
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case 'g':
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break;
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case 's':
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if (*(++arg) && *arg != ':') {
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av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
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exit_program(1);
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}
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*stream_spec = *arg == ':' ? arg + 1 : "";
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break;
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case 'c':
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case 'p':
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if (*(++arg) == ':')
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*index = strtol(++arg, NULL, 0);
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break;
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default:
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av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
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exit_program(1);
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}
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} else
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*type = 'g';
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}
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static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
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{
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AVDictionary **meta_in = NULL;
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AVDictionary **meta_out = NULL;
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int i, ret = 0;
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char type_in, type_out;
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const char *istream_spec = NULL, *ostream_spec = NULL;
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int idx_in = 0, idx_out = 0;
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parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
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parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
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if (!ic) {
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if (type_out == 'g' || !*outspec)
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o->metadata_global_manual = 1;
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if (type_out == 's' || !*outspec)
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o->metadata_streams_manual = 1;
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if (type_out == 'c' || !*outspec)
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o->metadata_chapters_manual = 1;
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return 0;
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}
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if (type_in == 'g' || type_out == 'g')
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o->metadata_global_manual = 1;
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if (type_in == 's' || type_out == 's')
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o->metadata_streams_manual = 1;
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if (type_in == 'c' || type_out == 'c')
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o->metadata_chapters_manual = 1;
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#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
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if ((index) < 0 || (index) >= (nb_elems)) {\
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av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
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(desc), (index));\
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exit_program(1);\
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}
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#define SET_DICT(type, meta, context, index)\
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switch (type) {\
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case 'g':\
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meta = &context->metadata;\
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break;\
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case 'c':\
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METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
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meta = &context->chapters[index]->metadata;\
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break;\
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case 'p':\
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METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
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meta = &context->programs[index]->metadata;\
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break;\
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default: av_assert0(0);\
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}\
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SET_DICT(type_in, meta_in, ic, idx_in);
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SET_DICT(type_out, meta_out, oc, idx_out);
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/* for input streams choose first matching stream */
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if (type_in == 's') {
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for (i = 0; i < ic->nb_streams; i++) {
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if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
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meta_in = &ic->streams[i]->metadata;
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break;
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} else if (ret < 0)
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exit_program(1);
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}
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if (!meta_in) {
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av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
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exit_program(1);
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}
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}
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if (type_out == 's') {
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for (i = 0; i < oc->nb_streams; i++) {
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if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
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meta_out = &oc->streams[i]->metadata;
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av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
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} else if (ret < 0)
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exit_program(1);
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}
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} else
|
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av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
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|
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return 0;
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}
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|
|
static int opt_recording_timestamp(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
char buf[128];
|
|
int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
|
|
struct tm time = *gmtime((time_t*)&recording_timestamp);
|
|
strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
|
|
parse_option(o, "metadata", buf, options);
|
|
|
|
av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
|
|
"tag instead.\n", opt);
|
|
return 0;
|
|
}
|
|
|
|
static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
|
|
{
|
|
const char *codec_string = encoder ? "encoder" : "decoder";
|
|
AVCodec *codec;
|
|
|
|
codec = encoder ?
|
|
avcodec_find_encoder_by_name(name) :
|
|
avcodec_find_decoder_by_name(name);
|
|
if (!codec) {
|
|
av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
|
|
exit_program(1);
|
|
}
|
|
if (codec->type != type) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
|
|
exit_program(1);
|
|
}
|
|
return codec;
|
|
}
|
|
|
|
static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
|
|
{
|
|
char *codec_name = NULL;
|
|
|
|
MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
|
|
if (codec_name) {
|
|
AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
|
|
st->codec->codec_id = codec->id;
|
|
return codec;
|
|
} else
|
|
return avcodec_find_decoder(st->codec->codec_id);
|
|
}
|
|
|
|
/**
|
|
* Add all the streams from the given input file to the global
|
|
* list of input streams.
|
|
*/
|
|
static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
|
|
{
|
|
int i;
|
|
char *next, *codec_tag = NULL;
|
|
|
|
for (i = 0; i < ic->nb_streams; i++) {
|
|
AVStream *st = ic->streams[i];
|
|
AVCodecContext *dec = st->codec;
|
|
InputStream *ist = av_mallocz(sizeof(*ist));
|
|
char *framerate = NULL;
|
|
|
|
if (!ist)
|
|
exit_program(1);
|
|
|
|
input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
|
|
input_streams[nb_input_streams - 1] = ist;
|
|
|
|
ist->st = st;
|
|
ist->file_index = nb_input_files;
|
|
ist->discard = 1;
|
|
st->discard = AVDISCARD_ALL;
|
|
ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st, choose_decoder(o, ic, st));
|
|
|
|
ist->ts_scale = 1.0;
|
|
MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
|
|
|
|
MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
|
|
if (codec_tag) {
|
|
uint32_t tag = strtol(codec_tag, &next, 0);
|
|
if (*next)
|
|
tag = AV_RL32(codec_tag);
|
|
st->codec->codec_tag = tag;
|
|
}
|
|
|
|
ist->dec = choose_decoder(o, ic, st);
|
|
|
|
switch (dec->codec_type) {
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
if(!ist->dec)
|
|
ist->dec = avcodec_find_decoder(dec->codec_id);
|
|
if (dec->lowres) {
|
|
dec->flags |= CODEC_FLAG_EMU_EDGE;
|
|
}
|
|
|
|
ist->resample_height = dec->height;
|
|
ist->resample_width = dec->width;
|
|
ist->resample_pix_fmt = dec->pix_fmt;
|
|
|
|
MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st);
|
|
if (framerate && av_parse_video_rate(&ist->framerate,
|
|
framerate) < 0) {
|
|
av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n",
|
|
framerate);
|
|
exit_program(1);
|
|
}
|
|
|
|
ist->top_field_first = -1;
|
|
MATCH_PER_STREAM_OPT(top_field_first, i, ist->top_field_first, ic, st);
|
|
|
|
break;
|
|
case AVMEDIA_TYPE_AUDIO:
|
|
guess_input_channel_layout(ist);
|
|
|
|
ist->resample_sample_fmt = dec->sample_fmt;
|
|
ist->resample_sample_rate = dec->sample_rate;
|
|
ist->resample_channels = dec->channels;
|
|
ist->resample_channel_layout = dec->channel_layout;
|
|
|
|
break;
|
|
case AVMEDIA_TYPE_DATA:
|
|
case AVMEDIA_TYPE_SUBTITLE:
|
|
if(!ist->dec)
|
|
ist->dec = avcodec_find_decoder(dec->codec_id);
|
|
MATCH_PER_STREAM_OPT(fix_sub_duration, i, ist->fix_sub_duration, ic, st);
|
|
break;
|
|
case AVMEDIA_TYPE_ATTACHMENT:
|
|
case AVMEDIA_TYPE_UNKNOWN:
|
|
break;
|
|
default:
|
|
abort();
|
|
}
|
|
}
|
|
}
|
|
|
|
static void assert_file_overwrite(const char *filename)
|
|
{
|
|
if ((!file_overwrite || no_file_overwrite) &&
|
|
(strchr(filename, ':') == NULL || filename[1] == ':' ||
|
|
av_strstart(filename, "file:", NULL))) {
|
|
if (avio_check(filename, 0) == 0) {
|
|
if (stdin_interaction && (!no_file_overwrite || file_overwrite)) {
|
|
fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
|
|
fflush(stderr);
|
|
term_exit();
|
|
signal(SIGINT, SIG_DFL);
|
|
if (!read_yesno()) {
|
|
av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
|
|
exit_program(1);
|
|
}
|
|
term_init();
|
|
}
|
|
else {
|
|
av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void dump_attachment(AVStream *st, const char *filename)
|
|
{
|
|
int ret;
|
|
AVIOContext *out = NULL;
|
|
AVDictionaryEntry *e;
|
|
|
|
if (!st->codec->extradata_size) {
|
|
av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
|
|
nb_input_files - 1, st->index);
|
|
return;
|
|
}
|
|
if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
|
|
filename = e->value;
|
|
if (!*filename) {
|
|
av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
|
|
"in stream #%d:%d.\n", nb_input_files - 1, st->index);
|
|
exit_program(1);
|
|
}
|
|
|
|
assert_file_overwrite(filename);
|
|
|
|
if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
|
|
filename);
|
|
exit_program(1);
|
|
}
|
|
|
|
avio_write(out, st->codec->extradata, st->codec->extradata_size);
|
|
avio_flush(out);
|
|
avio_close(out);
|
|
}
|
|
|
|
static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
|
|
{
|
|
AVFormatContext *ic;
|
|
AVInputFormat *file_iformat = NULL;
|
|
int err, i, ret;
|
|
int64_t timestamp;
|
|
uint8_t buf[128];
|
|
AVDictionary **opts;
|
|
int orig_nb_streams; // number of streams before avformat_find_stream_info
|
|
|
|
if (o->format) {
|
|
if (!(file_iformat = av_find_input_format(o->format))) {
|
|
av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
if (!strcmp(filename, "-"))
|
|
filename = "pipe:";
|
|
|
|
stdin_interaction &= strncmp(filename, "pipe:", 5) &&
|
|
strcmp(filename, "/dev/stdin");
|
|
|
|
/* get default parameters from command line */
|
|
ic = avformat_alloc_context();
|
|
if (!ic) {
|
|
print_error(filename, AVERROR(ENOMEM));
|
|
exit_program(1);
|
|
}
|
|
if (o->nb_audio_sample_rate) {
|
|
snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
|
|
av_dict_set(&format_opts, "sample_rate", buf, 0);
|
|
}
|
|
if (o->nb_audio_channels) {
|
|
/* because we set audio_channels based on both the "ac" and
|
|
* "channel_layout" options, we need to check that the specified
|
|
* demuxer actually has the "channels" option before setting it */
|
|
if (file_iformat && file_iformat->priv_class &&
|
|
av_opt_find(&file_iformat->priv_class, "channels", NULL, 0,
|
|
AV_OPT_SEARCH_FAKE_OBJ)) {
|
|
snprintf(buf, sizeof(buf), "%d",
|
|
o->audio_channels[o->nb_audio_channels - 1].u.i);
|
|
av_dict_set(&format_opts, "channels", buf, 0);
|
|
}
|
|
}
|
|
if (o->nb_frame_rates) {
|
|
/* set the format-level framerate option;
|
|
* this is important for video grabbers, e.g. x11 */
|
|
if (file_iformat && file_iformat->priv_class &&
|
|
av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0,
|
|
AV_OPT_SEARCH_FAKE_OBJ)) {
|
|
av_dict_set(&format_opts, "framerate",
|
|
o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
|
|
}
|
|
}
|
|
if (o->nb_frame_sizes) {
|
|
av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
|
|
}
|
|
if (o->nb_frame_pix_fmts)
|
|
av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
|
|
|
|
ic->video_codec_id = video_codec_name ?
|
|
find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : AV_CODEC_ID_NONE;
|
|
ic->audio_codec_id = audio_codec_name ?
|
|
find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : AV_CODEC_ID_NONE;
|
|
ic->subtitle_codec_id= subtitle_codec_name ?
|
|
find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : AV_CODEC_ID_NONE;
|
|
ic->flags |= AVFMT_FLAG_NONBLOCK;
|
|
ic->interrupt_callback = int_cb;
|
|
|
|
/* open the input file with generic avformat function */
|
|
err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
|
|
if (err < 0) {
|
|
print_error(filename, err);
|
|
exit_program(1);
|
|
}
|
|
assert_avoptions(format_opts);
|
|
|
|
/* apply forced codec ids */
|
|
for (i = 0; i < ic->nb_streams; i++)
|
|
choose_decoder(o, ic, ic->streams[i]);
|
|
|
|
/* Set AVCodecContext options for avformat_find_stream_info */
|
|
opts = setup_find_stream_info_opts(ic, codec_opts);
|
|
orig_nb_streams = ic->nb_streams;
|
|
|
|
/* If not enough info to get the stream parameters, we decode the
|
|
first frames to get it. (used in mpeg case for example) */
|
|
ret = avformat_find_stream_info(ic, opts);
|
|
if (ret < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
|
|
avformat_close_input(&ic);
|
|
exit_program(1);
|
|
}
|
|
|
|
timestamp = o->start_time;
|
|
/* add the stream start time */
|
|
if (ic->start_time != AV_NOPTS_VALUE)
|
|
timestamp += ic->start_time;
|
|
|
|
/* if seeking requested, we execute it */
|
|
if (o->start_time != 0) {
|
|
ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
|
|
if (ret < 0) {
|
|
av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
|
|
filename, (double)timestamp / AV_TIME_BASE);
|
|
}
|
|
}
|
|
|
|
/* update the current parameters so that they match the one of the input stream */
|
|
add_input_streams(o, ic);
|
|
|
|
/* dump the file content */
|
|
av_dump_format(ic, nb_input_files, filename, 0);
|
|
|
|
input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
|
|
if (!(input_files[nb_input_files - 1] = av_mallocz(sizeof(*input_files[0]))))
|
|
exit_program(1);
|
|
|
|
input_files[nb_input_files - 1]->ctx = ic;
|
|
input_files[nb_input_files - 1]->ist_index = nb_input_streams - ic->nb_streams;
|
|
input_files[nb_input_files - 1]->ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
|
|
input_files[nb_input_files - 1]->nb_streams = ic->nb_streams;
|
|
input_files[nb_input_files - 1]->rate_emu = o->rate_emu;
|
|
|
|
for (i = 0; i < o->nb_dump_attachment; i++) {
|
|
int j;
|
|
|
|
for (j = 0; j < ic->nb_streams; j++) {
|
|
AVStream *st = ic->streams[j];
|
|
|
|
if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
|
|
dump_attachment(st, o->dump_attachment[i].u.str);
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < orig_nb_streams; i++)
|
|
av_dict_free(&opts[i]);
|
|
av_freep(&opts);
|
|
|
|
reset_options(o, 1);
|
|
return 0;
|
|
}
|
|
|
|
static uint8_t *get_line(AVIOContext *s)
|
|
{
|
|
AVIOContext *line;
|
|
uint8_t *buf;
|
|
char c;
|
|
|
|
if (avio_open_dyn_buf(&line) < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
while ((c = avio_r8(s)) && c != '\n')
|
|
avio_w8(line, c);
|
|
avio_w8(line, 0);
|
|
avio_close_dyn_buf(line, &buf);
|
|
|
|
return buf;
|
|
}
|
|
|
|
static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
|
|
{
|
|
int i, ret = 1;
|
|
char filename[1000];
|
|
const char *base[3] = { getenv("AVCONV_DATADIR"),
|
|
getenv("HOME"),
|
|
AVCONV_DATADIR,
|
|
};
|
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
|
|
if (!base[i])
|
|
continue;
|
|
if (codec_name) {
|
|
snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
|
|
i != 1 ? "" : "/.avconv", codec_name, preset_name);
|
|
ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
|
|
}
|
|
if (ret) {
|
|
snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
|
|
i != 1 ? "" : "/.avconv", preset_name);
|
|
ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
|
|
{
|
|
char *codec_name = NULL;
|
|
|
|
MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
|
|
if (!codec_name) {
|
|
ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
|
|
NULL, ost->st->codec->codec_type);
|
|
ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
|
|
} else if (!strcmp(codec_name, "copy"))
|
|
ost->stream_copy = 1;
|
|
else {
|
|
ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
|
|
ost->st->codec->codec_id = ost->enc->id;
|
|
}
|
|
}
|
|
|
|
static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type, int source_index)
|
|
{
|
|
OutputStream *ost;
|
|
AVStream *st = avformat_new_stream(oc, NULL);
|
|
int idx = oc->nb_streams - 1, ret = 0;
|
|
char *bsf = NULL, *next, *codec_tag = NULL;
|
|
AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
|
|
double qscale = -1;
|
|
char *buf = NULL, *arg = NULL, *preset = NULL;
|
|
AVIOContext *s = NULL;
|
|
|
|
if (!st) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
if (oc->nb_streams - 1 < o->nb_streamid_map)
|
|
st->id = o->streamid_map[oc->nb_streams - 1];
|
|
|
|
output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
|
|
nb_output_streams + 1);
|
|
if (!(ost = av_mallocz(sizeof(*ost))))
|
|
exit_program(1);
|
|
output_streams[nb_output_streams - 1] = ost;
|
|
|
|
ost->file_index = nb_output_files;
|
|
ost->index = idx;
|
|
ost->st = st;
|
|
st->codec->codec_type = type;
|
|
choose_encoder(o, oc, ost);
|
|
if (ost->enc) {
|
|
ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st, ost->enc);
|
|
}
|
|
|
|
avcodec_get_context_defaults3(st->codec, ost->enc);
|
|
st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
|
|
|
|
MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
|
|
if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
|
|
do {
|
|
buf = get_line(s);
|
|
if (!buf[0] || buf[0] == '#') {
|
|
av_free(buf);
|
|
continue;
|
|
}
|
|
if (!(arg = strchr(buf, '='))) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
|
|
exit_program(1);
|
|
}
|
|
*arg++ = 0;
|
|
av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
|
|
av_free(buf);
|
|
} while (!s->eof_reached);
|
|
avio_close(s);
|
|
}
|
|
if (ret) {
|
|
av_log(NULL, AV_LOG_FATAL,
|
|
"Preset %s specified for stream %d:%d, but could not be opened.\n",
|
|
preset, ost->file_index, ost->index);
|
|
exit_program(1);
|
|
}
|
|
|
|
ost->max_frames = INT64_MAX;
|
|
MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
|
|
|
|
MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
|
|
while (bsf) {
|
|
if (next = strchr(bsf, ','))
|
|
*next++ = 0;
|
|
if (!(bsfc = av_bitstream_filter_init(bsf))) {
|
|
av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
|
|
exit_program(1);
|
|
}
|
|
if (bsfc_prev)
|
|
bsfc_prev->next = bsfc;
|
|
else
|
|
ost->bitstream_filters = bsfc;
|
|
|
|
bsfc_prev = bsfc;
|
|
bsf = next;
|
|
}
|
|
|
|
MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
|
|
if (codec_tag) {
|
|
uint32_t tag = strtol(codec_tag, &next, 0);
|
|
if (*next)
|
|
tag = AV_RL32(codec_tag);
|
|
st->codec->codec_tag = tag;
|
|
}
|
|
|
|
MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
|
|
if (qscale >= 0 || same_quant) {
|
|
st->codec->flags |= CODEC_FLAG_QSCALE;
|
|
st->codec->global_quality = FF_QP2LAMBDA * qscale;
|
|
}
|
|
|
|
if (oc->oformat->flags & AVFMT_GLOBALHEADER)
|
|
st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
|
|
|
|
av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
|
|
av_opt_get_int (swr_opts, "dither_method", 0, &ost->swr_dither_method);
|
|
av_opt_get_double(swr_opts, "dither_scale" , 0, &ost->swr_dither_scale);
|
|
|
|
ost->source_index = source_index;
|
|
if (source_index >= 0) {
|
|
ost->sync_ist = input_streams[source_index];
|
|
input_streams[source_index]->discard = 0;
|
|
input_streams[source_index]->st->discard = AVDISCARD_NONE;
|
|
}
|
|
|
|
return ost;
|
|
}
|
|
|
|
static void parse_matrix_coeffs(uint16_t *dest, const char *str)
|
|
{
|
|
int i;
|
|
const char *p = str;
|
|
for (i = 0;; i++) {
|
|
dest[i] = atoi(p);
|
|
if (i == 63)
|
|
break;
|
|
p = strchr(p, ',');
|
|
if (!p) {
|
|
av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
|
|
exit_program(1);
|
|
}
|
|
p++;
|
|
}
|
|
}
|
|
|
|
static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
|
|
{
|
|
AVStream *st;
|
|
OutputStream *ost;
|
|
AVCodecContext *video_enc;
|
|
char *frame_rate = NULL;
|
|
|
|
ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO, source_index);
|
|
st = ost->st;
|
|
video_enc = st->codec;
|
|
|
|
MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
|
|
if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
|
|
exit_program(1);
|
|
}
|
|
|
|
if (!ost->stream_copy) {
|
|
const char *p = NULL;
|
|
char *frame_size = NULL;
|
|
char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
|
|
char *intra_matrix = NULL, *inter_matrix = NULL;
|
|
const char *filters = "null";
|
|
int i;
|
|
|
|
MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
|
|
if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
|
|
exit_program(1);
|
|
}
|
|
|
|
MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
|
|
if (frame_aspect_ratio) {
|
|
AVRational q;
|
|
if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
|
|
q.num <= 0 || q.den <= 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
|
|
exit_program(1);
|
|
}
|
|
ost->frame_aspect_ratio = av_q2d(q);
|
|
}
|
|
|
|
video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
|
|
MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
|
|
if (frame_pix_fmt && *frame_pix_fmt == '+') {
|
|
ost->keep_pix_fmt = 1;
|
|
if (!*++frame_pix_fmt)
|
|
frame_pix_fmt = NULL;
|
|
}
|
|
if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
|
|
av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
|
|
exit_program(1);
|
|
}
|
|
st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
|
|
|
|
if (intra_only)
|
|
video_enc->gop_size = 0;
|
|
MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
|
|
if (intra_matrix) {
|
|
if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
|
|
exit_program(1);
|
|
}
|
|
parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
|
|
}
|
|
MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
|
|
if (inter_matrix) {
|
|
if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
|
|
exit_program(1);
|
|
}
|
|
parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
|
|
}
|
|
|
|
MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
|
|
for (i = 0; p; i++) {
|
|
int start, end, q;
|
|
int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
|
|
if (e != 3) {
|
|
av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
|
|
exit_program(1);
|
|
}
|
|
/* FIXME realloc failure */
|
|
video_enc->rc_override =
|
|
av_realloc(video_enc->rc_override,
|
|
sizeof(RcOverride) * (i + 1));
|
|
video_enc->rc_override[i].start_frame = start;
|
|
video_enc->rc_override[i].end_frame = end;
|
|
if (q > 0) {
|
|
video_enc->rc_override[i].qscale = q;
|
|
video_enc->rc_override[i].quality_factor = 1.0;
|
|
}
|
|
else {
|
|
video_enc->rc_override[i].qscale = 0;
|
|
video_enc->rc_override[i].quality_factor = -q/100.0;
|
|
}
|
|
p = strchr(p, '/');
|
|
if (p) p++;
|
|
}
|
|
video_enc->rc_override_count = i;
|
|
if (!video_enc->rc_initial_buffer_occupancy)
|
|
video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
|
|
video_enc->intra_dc_precision = intra_dc_precision - 8;
|
|
|
|
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;
|
|
}
|
|
if (do_pass & 2) {
|
|
video_enc->flags |= CODEC_FLAG_PASS2;
|
|
}
|
|
}
|
|
|
|
MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st);
|
|
if (ost->forced_keyframes)
|
|
ost->forced_keyframes = av_strdup(ost->forced_keyframes);
|
|
|
|
MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
|
|
|
|
ost->top_field_first = -1;
|
|
MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
|
|
|
|
MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
|
|
ost->avfilter = av_strdup(filters);
|
|
} else {
|
|
MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
|
|
}
|
|
|
|
return ost;
|
|
}
|
|
|
|
static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
|
|
{
|
|
int n;
|
|
AVStream *st;
|
|
OutputStream *ost;
|
|
AVCodecContext *audio_enc;
|
|
|
|
ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO, source_index);
|
|
st = ost->st;
|
|
|
|
audio_enc = st->codec;
|
|
audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
|
|
|
|
if (!ost->stream_copy) {
|
|
char *sample_fmt = NULL;
|
|
const char *filters = "anull";
|
|
|
|
MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
|
|
|
|
MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
|
|
if (sample_fmt &&
|
|
(audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
|
|
exit_program(1);
|
|
}
|
|
|
|
MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
|
|
|
|
MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
|
|
|
|
av_assert1(filters);
|
|
ost->avfilter = av_strdup(filters);
|
|
|
|
/* check for channel mapping for this audio stream */
|
|
for (n = 0; n < o->nb_audio_channel_maps; n++) {
|
|
AudioChannelMap *map = &o->audio_channel_maps[n];
|
|
InputStream *ist = input_streams[ost->source_index];
|
|
if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
|
|
(map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
|
|
(map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
|
|
if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
|
|
ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
|
|
else
|
|
av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
|
|
ost->file_index, ost->st->index);
|
|
}
|
|
}
|
|
}
|
|
|
|
return ost;
|
|
}
|
|
|
|
static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
|
|
{
|
|
OutputStream *ost;
|
|
|
|
ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA, source_index);
|
|
if (!ost->stream_copy) {
|
|
av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
return ost;
|
|
}
|
|
|
|
static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
|
|
{
|
|
OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT, source_index);
|
|
ost->stream_copy = 1;
|
|
return ost;
|
|
}
|
|
|
|
static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
|
|
{
|
|
AVStream *st;
|
|
OutputStream *ost;
|
|
AVCodecContext *subtitle_enc;
|
|
|
|
ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE, source_index);
|
|
st = ost->st;
|
|
subtitle_enc = st->codec;
|
|
|
|
subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
|
|
|
|
MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc, st);
|
|
|
|
if (!ost->stream_copy) {
|
|
char *frame_size = NULL;
|
|
|
|
MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
|
|
if (frame_size && av_parse_video_size(&subtitle_enc->width, &subtitle_enc->height, frame_size) < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
return ost;
|
|
}
|
|
|
|
/* arg format is "output-stream-index:streamid-value". */
|
|
static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
int idx;
|
|
char *p;
|
|
char idx_str[16];
|
|
|
|
av_strlcpy(idx_str, arg, sizeof(idx_str));
|
|
p = strchr(idx_str, ':');
|
|
if (!p) {
|
|
av_log(NULL, AV_LOG_FATAL,
|
|
"Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
|
|
arg, opt);
|
|
exit_program(1);
|
|
}
|
|
*p++ = '\0';
|
|
idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
|
|
o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
|
|
o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
|
|
return 0;
|
|
}
|
|
|
|
static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
|
|
{
|
|
AVFormatContext *is = ifile->ctx;
|
|
AVFormatContext *os = ofile->ctx;
|
|
int i;
|
|
|
|
for (i = 0; i < is->nb_chapters; i++) {
|
|
AVChapter *in_ch = is->chapters[i], *out_ch;
|
|
int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
|
|
AV_TIME_BASE_Q, in_ch->time_base);
|
|
int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
|
|
av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
|
|
|
|
|
|
if (in_ch->end < ts_off)
|
|
continue;
|
|
if (rt != INT64_MAX && in_ch->start > rt + ts_off)
|
|
break;
|
|
|
|
out_ch = av_mallocz(sizeof(AVChapter));
|
|
if (!out_ch)
|
|
return AVERROR(ENOMEM);
|
|
|
|
out_ch->id = in_ch->id;
|
|
out_ch->time_base = in_ch->time_base;
|
|
out_ch->start = FFMAX(0, in_ch->start - ts_off);
|
|
out_ch->end = FFMIN(rt, in_ch->end - ts_off);
|
|
|
|
if (copy_metadata)
|
|
av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
|
|
|
|
os->nb_chapters++;
|
|
os->chapters = av_realloc_f(os->chapters, os->nb_chapters, sizeof(AVChapter));
|
|
if (!os->chapters)
|
|
return AVERROR(ENOMEM);
|
|
os->chapters[os->nb_chapters - 1] = out_ch;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
|
|
{
|
|
int i, err;
|
|
AVFormatContext *ic = avformat_alloc_context();
|
|
|
|
ic->interrupt_callback = int_cb;
|
|
err = avformat_open_input(&ic, filename, NULL, NULL);
|
|
if (err < 0)
|
|
return err;
|
|
/* copy stream format */
|
|
for(i=0;i<ic->nb_streams;i++) {
|
|
AVStream *st;
|
|
OutputStream *ost;
|
|
AVCodec *codec;
|
|
AVCodecContext *avctx;
|
|
|
|
codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
|
|
ost = new_output_stream(o, s, codec->type, -1);
|
|
st = ost->st;
|
|
avctx = st->codec;
|
|
ost->enc = codec;
|
|
|
|
// FIXME: a more elegant solution is needed
|
|
memcpy(st, ic->streams[i], sizeof(AVStream));
|
|
st->cur_dts = 0;
|
|
st->info = av_malloc(sizeof(*st->info));
|
|
memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
|
|
st->codec= avctx;
|
|
avcodec_copy_context(st->codec, ic->streams[i]->codec);
|
|
|
|
if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
|
|
choose_sample_fmt(st, codec);
|
|
else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
|
|
choose_pixel_fmt(st, codec, st->codec->pix_fmt);
|
|
}
|
|
|
|
avformat_close_input(&ic);
|
|
return 0;
|
|
}
|
|
|
|
static void init_output_filter(OutputFilter *ofilter, OptionsContext *o,
|
|
AVFormatContext *oc)
|
|
{
|
|
OutputStream *ost;
|
|
|
|
switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
|
|
ofilter->out_tmp->pad_idx)) {
|
|
case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc, -1); break;
|
|
case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc, -1); break;
|
|
default:
|
|
av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported "
|
|
"currently.\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
ost->source_index = -1;
|
|
ost->filter = ofilter;
|
|
|
|
ofilter->ost = ost;
|
|
|
|
if (ost->stream_copy) {
|
|
av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, "
|
|
"which is fed from a complex filtergraph. Filtering and streamcopy "
|
|
"cannot be used together.\n", ost->file_index, ost->index);
|
|
exit_program(1);
|
|
}
|
|
if (o->recording_time != INT64_MAX)
|
|
av_log(NULL, AV_LOG_WARNING,
|
|
"-t does not work with -filter_complex (yet).\n");
|
|
|
|
if (configure_output_filter(ofilter->graph, ofilter, ofilter->out_tmp) < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Error configuring filter.\n");
|
|
exit_program(1);
|
|
}
|
|
avfilter_inout_free(&ofilter->out_tmp);
|
|
}
|
|
|
|
static int configure_complex_filters(void)
|
|
{
|
|
int i, ret = 0;
|
|
|
|
for (i = 0; i < nb_filtergraphs; i++)
|
|
if (!filtergraphs[i]->graph &&
|
|
(ret = configure_filtergraph(filtergraphs[i])) < 0)
|
|
return ret;
|
|
return 0;
|
|
}
|
|
|
|
void opt_output_file(void *optctx, const char *filename)
|
|
{
|
|
OptionsContext *o = optctx;
|
|
AVFormatContext *oc;
|
|
int i, j, err;
|
|
AVOutputFormat *file_oformat;
|
|
OutputStream *ost;
|
|
InputStream *ist;
|
|
|
|
if (configure_complex_filters() < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Error configuring filters.\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
if (!strcmp(filename, "-"))
|
|
filename = "pipe:";
|
|
|
|
err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
|
|
if (!oc) {
|
|
print_error(filename, err);
|
|
exit_program(1);
|
|
}
|
|
file_oformat= oc->oformat;
|
|
oc->interrupt_callback = int_cb;
|
|
|
|
/* create streams for all unlabeled output pads */
|
|
for (i = 0; i < nb_filtergraphs; i++) {
|
|
FilterGraph *fg = filtergraphs[i];
|
|
for (j = 0; j < fg->nb_outputs; j++) {
|
|
OutputFilter *ofilter = fg->outputs[j];
|
|
|
|
if (!ofilter->out_tmp || ofilter->out_tmp->name)
|
|
continue;
|
|
|
|
switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
|
|
ofilter->out_tmp->pad_idx)) {
|
|
case AVMEDIA_TYPE_VIDEO: o->video_disable = 1; break;
|
|
case AVMEDIA_TYPE_AUDIO: o->audio_disable = 1; break;
|
|
case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break;
|
|
}
|
|
init_output_filter(ofilter, o, oc);
|
|
}
|
|
}
|
|
|
|
if (!strcmp(file_oformat->name, "ffm") &&
|
|
av_strstart(filename, "http:", NULL)) {
|
|
int j;
|
|
/* special case for files sent to ffserver: we get the stream
|
|
parameters from ffserver */
|
|
int err = read_ffserver_streams(o, oc, filename);
|
|
if (err < 0) {
|
|
print_error(filename, err);
|
|
exit_program(1);
|
|
}
|
|
for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
|
|
ost = output_streams[j];
|
|
for (i = 0; i < nb_input_streams; i++) {
|
|
ist = input_streams[i];
|
|
if(ist->st->codec->codec_type == ost->st->codec->codec_type){
|
|
ost->sync_ist= ist;
|
|
ost->source_index= i;
|
|
if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) ost->avfilter = av_strdup("anull");
|
|
if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) ost->avfilter = av_strdup("null");
|
|
ist->discard = 0;
|
|
ist->st->discard = AVDISCARD_NONE;
|
|
break;
|
|
}
|
|
}
|
|
if(!ost->sync_ist){
|
|
av_log(NULL, AV_LOG_FATAL, "Missing %s stream which is required by this ffm\n", av_get_media_type_string(ost->st->codec->codec_type));
|
|
exit_program(1);
|
|
}
|
|
}
|
|
} else if (!o->nb_stream_maps) {
|
|
/* pick the "best" stream of each type */
|
|
|
|
/* video: highest resolution */
|
|
if (!o->video_disable && oc->oformat->video_codec != AV_CODEC_ID_NONE) {
|
|
int area = 0, idx = -1;
|
|
int qcr = avformat_query_codec(oc->oformat, oc->oformat->video_codec, 0);
|
|
for (i = 0; i < nb_input_streams; i++) {
|
|
ist = input_streams[i];
|
|
if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
|
|
ist->st->codec->width * ist->st->codec->height > area) {
|
|
if((qcr==MKTAG('A', 'P', 'I', 'C')) && !(ist->st->disposition & AV_DISPOSITION_ATTACHED_PIC))
|
|
continue;
|
|
area = ist->st->codec->width * ist->st->codec->height;
|
|
idx = i;
|
|
}
|
|
}
|
|
if (idx >= 0)
|
|
new_video_stream(o, oc, idx);
|
|
}
|
|
|
|
/* audio: most channels */
|
|
if (!o->audio_disable && oc->oformat->audio_codec != AV_CODEC_ID_NONE) {
|
|
int channels = 0, idx = -1;
|
|
for (i = 0; i < nb_input_streams; i++) {
|
|
ist = input_streams[i];
|
|
if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
|
|
ist->st->codec->channels > channels) {
|
|
channels = ist->st->codec->channels;
|
|
idx = i;
|
|
}
|
|
}
|
|
if (idx >= 0)
|
|
new_audio_stream(o, oc, idx);
|
|
}
|
|
|
|
/* subtitles: pick first */
|
|
if (!o->subtitle_disable && (oc->oformat->subtitle_codec != AV_CODEC_ID_NONE || subtitle_codec_name)) {
|
|
for (i = 0; i < nb_input_streams; i++)
|
|
if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
|
|
new_subtitle_stream(o, oc, i);
|
|
break;
|
|
}
|
|
}
|
|
/* do something with data? */
|
|
} else {
|
|
for (i = 0; i < o->nb_stream_maps; i++) {
|
|
StreamMap *map = &o->stream_maps[i];
|
|
int src_idx = input_files[map->file_index]->ist_index + map->stream_index;
|
|
|
|
if (map->disabled)
|
|
continue;
|
|
|
|
if (map->linklabel) {
|
|
FilterGraph *fg;
|
|
OutputFilter *ofilter = NULL;
|
|
int j, k;
|
|
|
|
for (j = 0; j < nb_filtergraphs; j++) {
|
|
fg = filtergraphs[j];
|
|
for (k = 0; k < fg->nb_outputs; k++) {
|
|
AVFilterInOut *out = fg->outputs[k]->out_tmp;
|
|
if (out && !strcmp(out->name, map->linklabel)) {
|
|
ofilter = fg->outputs[k];
|
|
goto loop_end;
|
|
}
|
|
}
|
|
}
|
|
loop_end:
|
|
if (!ofilter) {
|
|
av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
|
|
"in any defined filter graph.\n", map->linklabel);
|
|
exit_program(1);
|
|
}
|
|
init_output_filter(ofilter, o, oc);
|
|
} else {
|
|
ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
|
|
if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
|
|
continue;
|
|
if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
|
|
continue;
|
|
if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
|
|
continue;
|
|
if(o-> data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA)
|
|
continue;
|
|
|
|
switch (ist->st->codec->codec_type) {
|
|
case AVMEDIA_TYPE_VIDEO: ost = new_video_stream (o, oc, src_idx); break;
|
|
case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream (o, oc, src_idx); break;
|
|
case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream (o, oc, src_idx); break;
|
|
case AVMEDIA_TYPE_DATA: ost = new_data_stream (o, oc, src_idx); break;
|
|
case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break;
|
|
default:
|
|
av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
|
|
map->file_index, map->stream_index);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
|
|
AVDictionaryEntry *e;
|
|
ost = output_streams[i];
|
|
|
|
if ( ost->stream_copy
|
|
&& (e = av_dict_get(codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
|
|
&& (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
|
|
if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
|
|
exit_program(1);
|
|
}
|
|
|
|
/* handle attached files */
|
|
for (i = 0; i < o->nb_attachments; i++) {
|
|
AVIOContext *pb;
|
|
uint8_t *attachment;
|
|
const char *p;
|
|
int64_t len;
|
|
|
|
if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
|
|
o->attachments[i]);
|
|
exit_program(1);
|
|
}
|
|
if ((len = avio_size(pb)) <= 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
|
|
o->attachments[i]);
|
|
exit_program(1);
|
|
}
|
|
if (!(attachment = av_malloc(len))) {
|
|
av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
|
|
o->attachments[i]);
|
|
exit_program(1);
|
|
}
|
|
avio_read(pb, attachment, len);
|
|
|
|
ost = new_attachment_stream(o, oc, -1);
|
|
ost->stream_copy = 0;
|
|
ost->attachment_filename = o->attachments[i];
|
|
ost->st->codec->extradata = attachment;
|
|
ost->st->codec->extradata_size = len;
|
|
|
|
p = strrchr(o->attachments[i], '/');
|
|
av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
|
|
avio_close(pb);
|
|
}
|
|
|
|
output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
|
|
if (!(output_files[nb_output_files - 1] = av_mallocz(sizeof(*output_files[0]))))
|
|
exit_program(1);
|
|
|
|
output_files[nb_output_files - 1]->ctx = oc;
|
|
output_files[nb_output_files - 1]->ost_index = nb_output_streams - oc->nb_streams;
|
|
output_files[nb_output_files - 1]->recording_time = o->recording_time;
|
|
if (o->recording_time != INT64_MAX)
|
|
oc->duration = o->recording_time;
|
|
output_files[nb_output_files - 1]->start_time = o->start_time;
|
|
output_files[nb_output_files - 1]->limit_filesize = o->limit_filesize;
|
|
av_dict_copy(&output_files[nb_output_files - 1]->opts, format_opts, 0);
|
|
|
|
/* check filename in case of an image number is expected */
|
|
if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
|
|
if (!av_filename_number_test(oc->filename)) {
|
|
print_error(oc->filename, AVERROR(EINVAL));
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
if (!(oc->oformat->flags & AVFMT_NOFILE)) {
|
|
/* test if it already exists to avoid losing precious files */
|
|
assert_file_overwrite(filename);
|
|
|
|
/* open the file */
|
|
if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
|
|
&oc->interrupt_callback,
|
|
&output_files[nb_output_files - 1]->opts)) < 0) {
|
|
print_error(filename, err);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
if (o->mux_preload) {
|
|
uint8_t buf[64];
|
|
snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
|
|
av_dict_set(&output_files[nb_output_files - 1]->opts, "preload", buf, 0);
|
|
}
|
|
oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
|
|
|
|
/* copy metadata */
|
|
for (i = 0; i < o->nb_metadata_map; i++) {
|
|
char *p;
|
|
int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
|
|
|
|
if (in_file_index >= nb_input_files) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
|
|
exit_program(1);
|
|
}
|
|
copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, in_file_index >= 0 ? input_files[in_file_index]->ctx : NULL, o);
|
|
}
|
|
|
|
/* copy chapters */
|
|
if (o->chapters_input_file >= nb_input_files) {
|
|
if (o->chapters_input_file == INT_MAX) {
|
|
/* copy chapters from the first input file that has them*/
|
|
o->chapters_input_file = -1;
|
|
for (i = 0; i < nb_input_files; i++)
|
|
if (input_files[i]->ctx->nb_chapters) {
|
|
o->chapters_input_file = i;
|
|
break;
|
|
}
|
|
} else {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
|
|
o->chapters_input_file);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
if (o->chapters_input_file >= 0)
|
|
copy_chapters(input_files[o->chapters_input_file], output_files[nb_output_files - 1],
|
|
!o->metadata_chapters_manual);
|
|
|
|
/* copy global metadata by default */
|
|
if (!o->metadata_global_manual && nb_input_files){
|
|
av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata,
|
|
AV_DICT_DONT_OVERWRITE);
|
|
if(o->recording_time != INT64_MAX)
|
|
av_dict_set(&oc->metadata, "duration", NULL, 0);
|
|
av_dict_set(&oc->metadata, "creation_time", NULL, 0);
|
|
}
|
|
if (!o->metadata_streams_manual)
|
|
for (i = output_files[nb_output_files - 1]->ost_index; i < nb_output_streams; i++) {
|
|
InputStream *ist;
|
|
if (output_streams[i]->source_index < 0) /* this is true e.g. for attached files */
|
|
continue;
|
|
ist = input_streams[output_streams[i]->source_index];
|
|
av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
|
|
}
|
|
|
|
/* process manually set metadata */
|
|
for (i = 0; i < o->nb_metadata; i++) {
|
|
AVDictionary **m;
|
|
char type, *val;
|
|
const char *stream_spec;
|
|
int index = 0, j, ret = 0;
|
|
|
|
val = strchr(o->metadata[i].u.str, '=');
|
|
if (!val) {
|
|
av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
|
|
o->metadata[i].u.str);
|
|
exit_program(1);
|
|
}
|
|
*val++ = 0;
|
|
|
|
parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
|
|
if (type == 's') {
|
|
for (j = 0; j < oc->nb_streams; j++) {
|
|
if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
|
|
av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
|
|
} else if (ret < 0)
|
|
exit_program(1);
|
|
}
|
|
}
|
|
else {
|
|
switch (type) {
|
|
case 'g':
|
|
m = &oc->metadata;
|
|
break;
|
|
case 'c':
|
|
if (index < 0 || index >= oc->nb_chapters) {
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
|
|
exit_program(1);
|
|
}
|
|
m = &oc->chapters[index]->metadata;
|
|
break;
|
|
default:
|
|
av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
|
|
exit_program(1);
|
|
}
|
|
av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
|
|
}
|
|
}
|
|
|
|
reset_options(o, 0);
|
|
}
|
|
|
|
/* same option as mencoder */
|
|
static int opt_pass(const char *opt, const char *arg)
|
|
{
|
|
do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 3);
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int opt_target(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
|
|
static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
|
|
|
|
if (!strncmp(arg, "pal-", 4)) {
|
|
norm = PAL;
|
|
arg += 4;
|
|
} else if (!strncmp(arg, "ntsc-", 5)) {
|
|
norm = NTSC;
|
|
arg += 5;
|
|
} else if (!strncmp(arg, "film-", 5)) {
|
|
norm = FILM;
|
|
arg += 5;
|
|
} else {
|
|
/* Try to determine PAL/NTSC by peeking in the input files */
|
|
if (nb_input_files) {
|
|
int i, j, fr;
|
|
for (j = 0; j < nb_input_files; j++) {
|
|
for (i = 0; i < input_files[j]->nb_streams; i++) {
|
|
AVCodecContext *c = input_files[j]->ctx->streams[i]->codec;
|
|
if (c->codec_type != AVMEDIA_TYPE_VIDEO)
|
|
continue;
|
|
fr = c->time_base.den * 1000 / c->time_base.num;
|
|
if (fr == 25000) {
|
|
norm = PAL;
|
|
break;
|
|
} else if ((fr == 29970) || (fr == 23976)) {
|
|
norm = NTSC;
|
|
break;
|
|
}
|
|
}
|
|
if (norm != UNKNOWN)
|
|
break;
|
|
}
|
|
}
|
|
if (norm != UNKNOWN)
|
|
av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
|
|
}
|
|
|
|
if (norm == UNKNOWN) {
|
|
av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
|
|
av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
|
|
av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
|
|
exit_program(1);
|
|
}
|
|
|
|
if (!strcmp(arg, "vcd")) {
|
|
opt_video_codec(o, "c:v", "mpeg1video");
|
|
opt_audio_codec(o, "c:a", "mp2");
|
|
parse_option(o, "f", "vcd", options);
|
|
|
|
parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
|
|
parse_option(o, "r", frame_rates[norm], options);
|
|
opt_default("g", norm == PAL ? "15" : "18");
|
|
|
|
opt_default("b:v", "1150000");
|
|
opt_default("maxrate", "1150000");
|
|
opt_default("minrate", "1150000");
|
|
opt_default("bufsize", "327680"); // 40*1024*8;
|
|
|
|
opt_default("b:a", "224000");
|
|
parse_option(o, "ar", "44100", options);
|
|
parse_option(o, "ac", "2", options);
|
|
|
|
opt_default("packetsize", "2324");
|
|
opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
|
|
|
|
/* We have to offset the PTS, so that it is consistent with the SCR.
|
|
SCR starts at 36000, but the first two packs contain only padding
|
|
and the first pack from the other stream, respectively, may also have
|
|
been written before.
|
|
So the real data starts at SCR 36000+3*1200. */
|
|
o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
|
|
} else if (!strcmp(arg, "svcd")) {
|
|
|
|
opt_video_codec(o, "c:v", "mpeg2video");
|
|
opt_audio_codec(o, "c:a", "mp2");
|
|
parse_option(o, "f", "svcd", options);
|
|
|
|
parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
|
|
parse_option(o, "r", frame_rates[norm], options);
|
|
parse_option(o, "pix_fmt", "yuv420p", options);
|
|
opt_default("g", norm == PAL ? "15" : "18");
|
|
|
|
opt_default("b:v", "2040000");
|
|
opt_default("maxrate", "2516000");
|
|
opt_default("minrate", "0"); // 1145000;
|
|
opt_default("bufsize", "1835008"); // 224*1024*8;
|
|
opt_default("scan_offset", "1");
|
|
|
|
|
|
opt_default("b:a", "224000");
|
|
parse_option(o, "ar", "44100", options);
|
|
|
|
opt_default("packetsize", "2324");
|
|
|
|
} else if (!strcmp(arg, "dvd")) {
|
|
|
|
opt_video_codec(o, "c:v", "mpeg2video");
|
|
opt_audio_codec(o, "c:a", "ac3");
|
|
parse_option(o, "f", "dvd", options);
|
|
|
|
parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
|
|
parse_option(o, "r", frame_rates[norm], options);
|
|
parse_option(o, "pix_fmt", "yuv420p", options);
|
|
opt_default("g", norm == PAL ? "15" : "18");
|
|
|
|
opt_default("b:v", "6000000");
|
|
opt_default("maxrate", "9000000");
|
|
opt_default("minrate", "0"); // 1500000;
|
|
opt_default("bufsize", "1835008"); // 224*1024*8;
|
|
|
|
opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
|
|
opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
|
|
|
|
opt_default("b:a", "448000");
|
|
parse_option(o, "ar", "48000", options);
|
|
|
|
} else if (!strncmp(arg, "dv", 2)) {
|
|
|
|
parse_option(o, "f", "dv", options);
|
|
|
|
parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
|
|
parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
|
|
norm == PAL ? "yuv420p" : "yuv411p", options);
|
|
parse_option(o, "r", frame_rates[norm], options);
|
|
|
|
parse_option(o, "ar", "48000", options);
|
|
parse_option(o, "ac", "2", options);
|
|
|
|
} else {
|
|
av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int opt_vstats_file(const char *opt, const char *arg)
|
|
{
|
|
av_free (vstats_filename);
|
|
vstats_filename = av_strdup (arg);
|
|
return 0;
|
|
}
|
|
|
|
static int opt_vstats(const char *opt, const char *arg)
|
|
{
|
|
char filename[40];
|
|
time_t today2 = time(NULL);
|
|
struct tm *today = localtime(&today2);
|
|
|
|
snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
|
|
today->tm_sec);
|
|
return opt_vstats_file(opt, filename);
|
|
}
|
|
|
|
static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
return parse_option(o, "frames:v", arg, options);
|
|
}
|
|
|
|
static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
return parse_option(o, "frames:a", arg, options);
|
|
}
|
|
|
|
static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
return parse_option(o, "frames:d", arg, options);
|
|
}
|
|
|
|
static int opt_preset(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
FILE *f=NULL;
|
|
char filename[1000], line[1000], tmp_line[1000];
|
|
const char *codec_name = *opt == 'v' ? video_codec_name :
|
|
*opt == 'a' ? audio_codec_name :
|
|
subtitle_codec_name;
|
|
|
|
if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
|
|
if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
|
|
av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
|
|
}else
|
|
av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
|
|
exit_program(1);
|
|
}
|
|
|
|
while (fgets(line, sizeof(line), f)) {
|
|
char *key = tmp_line, *value, *endptr;
|
|
|
|
if (strcspn(line, "#\n\r") == 0)
|
|
continue;
|
|
strcpy(tmp_line, line);
|
|
if (!av_strtok(key, "=", &value) ||
|
|
!av_strtok(value, "\r\n", &endptr)) {
|
|
av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
|
|
exit_program(1);
|
|
}
|
|
av_log(NULL, AV_LOG_DEBUG, "ffpreset[%s]: set '%s' = '%s'\n", filename, key, value);
|
|
|
|
if (!strcmp(key, "acodec")) opt_audio_codec (o, key, value);
|
|
else if (!strcmp(key, "vcodec")) opt_video_codec (o, key, value);
|
|
else if (!strcmp(key, "scodec")) opt_subtitle_codec(o, key, value);
|
|
else if (!strcmp(key, "dcodec")) opt_data_codec (o, key, value);
|
|
else if (opt_default(key, value) < 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n",
|
|
filename, line, key, value);
|
|
exit_program(1);
|
|
}
|
|
}
|
|
|
|
fclose(f);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int opt_passlogfile(const char *opt, const char *arg)
|
|
{
|
|
pass_logfilename_prefix = arg;
|
|
#if CONFIG_LIBX264_ENCODER
|
|
return opt_default(opt, arg);
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
static int opt_old2new(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
char *s = av_asprintf("%s:%c", opt + 1, *opt);
|
|
int ret = parse_option(o, s, arg, options);
|
|
av_free(s);
|
|
return ret;
|
|
}
|
|
|
|
static int opt_bitrate(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
if(!strcmp(opt, "b")){
|
|
av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
|
|
return parse_option(o, "b:v", arg, options);
|
|
}
|
|
return opt_default(opt, arg);
|
|
}
|
|
|
|
static int opt_qscale(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
char *s;
|
|
int ret;
|
|
if(!strcmp(opt, "qscale")){
|
|
av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
|
|
return parse_option(o, "q:v", arg, options);
|
|
}
|
|
s = av_asprintf("q%s", opt + 6);
|
|
ret = parse_option(o, s, arg, options);
|
|
av_free(s);
|
|
return ret;
|
|
}
|
|
|
|
static int opt_profile(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
if(!strcmp(opt, "profile")){
|
|
av_log(NULL, AV_LOG_WARNING, "Please use -profile:a or -profile:v, -profile is ambiguous\n");
|
|
return parse_option(o, "profile:v", arg, options);
|
|
}
|
|
return opt_default(opt, arg);
|
|
}
|
|
|
|
static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
return parse_option(o, "filter:v", arg, options);
|
|
}
|
|
|
|
static int opt_audio_filters(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
return parse_option(o, "filter:a", arg, options);
|
|
}
|
|
|
|
static int opt_vsync(const char *opt, const char *arg)
|
|
{
|
|
if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
|
|
else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
|
|
else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
|
|
else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
|
|
|
|
if (video_sync_method == VSYNC_AUTO)
|
|
video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
|
|
return 0;
|
|
}
|
|
|
|
static int opt_deinterlace(const char *opt, const char *arg)
|
|
{
|
|
av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
|
|
do_deinterlace = 1;
|
|
return 0;
|
|
}
|
|
|
|
static int opt_timecode(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
char *tcr = av_asprintf("timecode=%s", arg);
|
|
int ret = parse_option(o, "metadata:g", tcr, options);
|
|
if (ret >= 0)
|
|
ret = opt_default("gop_timecode", arg);
|
|
av_free(tcr);
|
|
return ret;
|
|
}
|
|
|
|
static int opt_channel_layout(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
char layout_str[32];
|
|
char *stream_str;
|
|
char *ac_str;
|
|
int ret, channels, ac_str_size;
|
|
uint64_t layout;
|
|
|
|
layout = av_get_channel_layout(arg);
|
|
if (!layout) {
|
|
av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout);
|
|
ret = opt_default(opt, layout_str);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
/* set 'ac' option based on channel layout */
|
|
channels = av_get_channel_layout_nb_channels(layout);
|
|
snprintf(layout_str, sizeof(layout_str), "%d", channels);
|
|
stream_str = strchr(opt, ':');
|
|
ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0);
|
|
ac_str = av_mallocz(ac_str_size);
|
|
if (!ac_str)
|
|
return AVERROR(ENOMEM);
|
|
av_strlcpy(ac_str, "ac", 3);
|
|
if (stream_str)
|
|
av_strlcat(ac_str, stream_str, ac_str_size);
|
|
ret = parse_option(o, ac_str, layout_str, options);
|
|
av_free(ac_str);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
|
|
{
|
|
return parse_option(o, "q:a", arg, options);
|
|
}
|
|
|
|
static int opt_filter_complex(const char *opt, const char *arg)
|
|
{
|
|
filtergraphs = grow_array(filtergraphs, sizeof(*filtergraphs),
|
|
&nb_filtergraphs, nb_filtergraphs + 1);
|
|
if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
|
|
return AVERROR(ENOMEM);
|
|
filtergraphs[nb_filtergraphs - 1]->index = nb_filtergraphs - 1;
|
|
filtergraphs[nb_filtergraphs - 1]->graph_desc = arg;
|
|
return 0;
|
|
}
|
|
|
|
static int opt_help(const char *opt, const char *arg)
|
|
{
|
|
int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
|
|
av_log_set_callback(log_callback_help);
|
|
show_usage();
|
|
show_help_options(options, "Main options:\n",
|
|
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
|
|
show_help_options(options, "\nAdvanced options:\n",
|
|
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
|
|
OPT_EXPERT);
|
|
show_help_options(options, "\nVideo options:\n",
|
|
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
|
|
OPT_VIDEO);
|
|
show_help_options(options, "\nAdvanced Video options:\n",
|
|
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
|
|
OPT_VIDEO | OPT_EXPERT);
|
|
show_help_options(options, "\nAudio options:\n",
|
|
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
|
|
OPT_AUDIO);
|
|
show_help_options(options, "\nAdvanced Audio options:\n",
|
|
OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
|
|
OPT_AUDIO | OPT_EXPERT);
|
|
show_help_options(options, "\nSubtitle options:\n",
|
|
OPT_SUBTITLE | OPT_GRAB,
|
|
OPT_SUBTITLE);
|
|
show_help_options(options, "\nAudio/Video grab options:\n",
|
|
OPT_GRAB,
|
|
OPT_GRAB);
|
|
printf("\n");
|
|
show_help_children(avcodec_get_class(), flags);
|
|
show_help_children(avformat_get_class(), flags);
|
|
show_help_children(sws_get_class(), flags);
|
|
show_help_children(swr_get_class(), AV_OPT_FLAG_AUDIO_PARAM);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void show_usage(void)
|
|
{
|
|
av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
|
|
av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
|
|
av_log(NULL, AV_LOG_INFO, "\n");
|
|
}
|
|
|
|
|
|
static int opt_progress(const char *opt, const char *arg)
|
|
{
|
|
AVIOContext *avio = NULL;
|
|
int ret;
|
|
|
|
if (!strcmp(arg, "-"))
|
|
arg = "pipe:";
|
|
ret = avio_open2(&avio, arg, AVIO_FLAG_WRITE, &int_cb, NULL);
|
|
if (ret < 0) {
|
|
av_log(0, AV_LOG_ERROR, "Failed to open progress URL \"%s\": %s\n",
|
|
arg, av_err2str(ret));
|
|
return ret;
|
|
}
|
|
progress_avio = avio;
|
|
return 0;
|
|
}
|
|
|
|
#define OFFSET(x) offsetof(OptionsContext, x)
|
|
const OptionDef options[] = {
|
|
/* main options */
|
|
#include "cmdutils_common_opts.h"
|
|
{ "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
|
|
{ "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
|
|
{ "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
|
|
{ "n", OPT_BOOL, {(void*)&no_file_overwrite}, "do not overwrite output files" },
|
|
{ "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
|
|
{ "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
|
|
{ "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
|
|
{ "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
|
|
{ "map_channel", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_channel}, "map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" },
|
|
{ "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
|
|
"outfile[,metadata]:infile[,metadata]" },
|
|
{ "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
|
|
{ "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
|
|
{ "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
|
|
{ "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
|
|
{ "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
|
|
{ "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
|
|
{ "timestamp", HAS_ARG | OPT_FUNC2, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
|
|
{ "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
|
|
{ "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
|
|
{ "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
|
|
"add timings for benchmarking" },
|
|
{ "benchmark_all", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark_all},
|
|
"add timings for each task" },
|
|
{ "progress", HAS_ARG | OPT_EXPERT, {(void*)opt_progress},
|
|
"write program-readable progress information", "url" },
|
|
{ "stdin", OPT_BOOL | OPT_EXPERT, {(void*)&stdin_interaction},
|
|
"enable or disable interaction on standard input" },
|
|
{ "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
|
|
{ "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
|
|
"dump each input packet" },
|
|
{ "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
|
|
"when dumping packets, also dump the payload" },
|
|
{ "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
|
|
{ "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
|
|
{ "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
|
|
{ "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
|
|
{ "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
|
|
{ "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
|
|
{ "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying", "mode" },
|
|
{ "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" },
|
|
{ "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_error_threshold}, "timestamp error delta threshold", "threshold" },
|
|
{ "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
|
|
{ "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
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{ "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
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{ "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
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{ "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
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{ "qscale", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_qscale}, "use fixed quality scale (VBR)", "q" },
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{ "profile", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_profile}, "set profile", "profile" },
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{ "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
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{ "filter_complex", HAS_ARG | OPT_EXPERT, {(void*)opt_filter_complex}, "create a complex filtergraph", "graph_description" },
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{ "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
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{ "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
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|
{ "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
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{ "debug_ts", OPT_BOOL | OPT_EXPERT, {&debug_ts}, "print timestamp debugging info" },
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|
|
|
/* video options */
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|
{ "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
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{ "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
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{ "s", HAS_ARG | OPT_VIDEO | OPT_SUBTITLE | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
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{ "aspect", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_aspect_ratios)}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
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{ "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
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|
{ "bits_per_raw_sample", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&frame_bits_per_raw_sample}, "set the number of bits per raw sample", "number" },
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|
{ "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
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{ "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
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|
{ "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
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|
{ "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
|
|
{ "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
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|
{ "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
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|
{ "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
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|
{ "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
|
|
{ "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
|
|
{ "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "deprecated use -g 1"},
|
|
{ "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
|
|
{ "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
|
|
{ "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
|
|
{ "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
|
|
{ "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
|
|
{ "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
|
|
"use same quantizer as source (implies VBR)" },
|
|
{ "timecode", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_timecode}, "set initial TimeCode value.", "hh:mm:ss[:;.]ff" },
|
|
{ "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
|
|
{ "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
|
|
{ "deinterlace", OPT_EXPERT | OPT_VIDEO, {(void*)opt_deinterlace},
|
|
"this option is deprecated, use the yadif filter instead" },
|
|
{ "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" },
|
|
{ "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
|
|
{ "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
|
|
{ "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
|
|
{ "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
|
|
{ "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
|
|
{ "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_old2new}, "force video tag/fourcc", "fourcc/tag" },
|
|
{ "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
|
|
{ "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
|
|
{ "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
|
|
{ "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(forced_key_frames)}, "force key frames at specified timestamps", "timestamps" },
|
|
{ "b", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_bitrate}, "video bitrate (please use -b:v)", "bitrate" },
|
|
|
|
/* audio options */
|
|
{ "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
|
|
{ "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
|
|
{ "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
|
|
{ "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
|
|
{ "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
|
|
{ "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
|
|
{ "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_old2new}, "force audio tag/fourcc", "fourcc/tag" },
|
|
{ "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
|
|
{ "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
|
|
{ "channel_layout", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_channel_layout}, "set channel layout", "layout" },
|
|
{ "af", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_filters}, "audio filters", "filter list" },
|
|
|
|
/* subtitle options */
|
|
{ "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
|
|
{ "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
|
|
{ "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_old2new}, "force subtitle tag/fourcc", "fourcc/tag" },
|
|
{ "fix_sub_duration", OPT_BOOL | OPT_EXPERT | OPT_SUBTITLE | OPT_SPEC, {.off = OFFSET(fix_sub_duration)}, "fix subtitles duration" },
|
|
|
|
/* grab options */
|
|
{ "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
|
|
{ "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
|
|
{ "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
|
|
|
|
/* muxer options */
|
|
{ "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
|
|
{ "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
|
|
|
|
{ "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
|
|
{ "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "audio bitstream_filters" },
|
|
{ "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "video bitstream_filters" },
|
|
|
|
{ "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
|
|
{ "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
|
|
{ "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
|
|
{ "fpre", HAS_ARG | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
|
|
/* data codec support */
|
|
{ "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
|
|
{ "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(data_disable)}, "disable data" },
|
|
|
|
{ "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
|
|
{ NULL, },
|
|
};
|