3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
31 #include "libavformat/avformat.h"
32 #include "libavdevice/avdevice.h"
33 #include "libswscale/swscale.h"
34 #include "libavutil/opt.h"
35 #include "libavcodec/audioconvert.h"
36 #include "libavutil/audioconvert.h"
37 #include "libavutil/parseutils.h"
38 #include "libavutil/samplefmt.h"
39 #include "libavutil/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/dict.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/libm.h"
47 #include "libavformat/os_support.h"
49 #include "libavformat/ffm.h" // not public API
52 # include "libavfilter/avcodec.h"
53 # include "libavfilter/avfilter.h"
54 # include "libavfilter/avfiltergraph.h"
55 # include "libavfilter/buffersink.h"
56 # include "libavfilter/vsrc_buffer.h"
59 #if HAVE_SYS_RESOURCE_H
60 #include <sys/types.h>
62 #include <sys/resource.h>
63 #elif HAVE_GETPROCESSTIMES
66 #if HAVE_GETPROCESSMEMORYINFO
72 #include <sys/select.h>
77 #include <sys/ioctl.h>
87 #include "libavutil/avassert.h"
89 const char program_name[] = "avconv";
90 const int program_birth_year = 2000;
92 /* select an input stream for an output stream */
93 typedef struct StreamMap {
94 int disabled; /** 1 is this mapping is disabled by a negative map */
98 int sync_stream_index;
102 * select an input file for an output file
104 typedef struct MetadataMap {
105 int file; ///< file index
106 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
107 int index; ///< stream/chapter/program number
110 static const OptionDef options[];
112 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
114 static int frame_bits_per_raw_sample = 0;
115 static int video_discard = 0;
116 static int same_quant = 0;
117 static int do_deinterlace = 0;
118 static int intra_dc_precision = 8;
119 static int qp_hist = 0;
121 static int file_overwrite = 0;
122 static int no_file_overwrite = 0;
123 static int do_benchmark = 0;
124 static int do_hex_dump = 0;
125 static int do_pkt_dump = 0;
126 static int do_pass = 0;
127 static const char *pass_logfilename_prefix;
128 static int video_sync_method= -1;
129 static int audio_sync_method= 0;
130 static float audio_drift_threshold= 0.1;
131 static int copy_ts= 0;
132 static int copy_tb = 1;
133 static int opt_shortest = 0;
134 static char *vstats_filename;
135 static FILE *vstats_file;
137 static int audio_volume = 256;
139 static int exit_on_error = 0;
140 static int using_stdin = 0;
141 static int run_as_daemon = 0;
142 static int q_pressed = 0;
143 static int64_t video_size = 0;
144 static int64_t audio_size = 0;
145 static int64_t extra_size = 0;
146 static int nb_frames_dup = 0;
147 static int nb_frames_drop = 0;
148 static int input_sync;
150 static float dts_delta_threshold = 10;
152 static int print_stats = 1;
154 static uint8_t *audio_buf;
155 static uint8_t *audio_out;
156 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
158 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
160 typedef struct InputStream {
163 int discard; /* true if stream data should be discarded */
164 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
166 AVFrame *decoded_frame;
167 AVFrame *filtered_frame;
169 int64_t start; /* time when read started */
170 int64_t next_pts; /* synthetic pts for cases where pkt.pts
172 int64_t pts; /* current pts */
174 int is_start; /* is 1 at the start and after a discontinuity */
175 int showed_multi_packet_warning;
179 typedef struct InputFile {
180 AVFormatContext *ctx;
181 int eof_reached; /* true if eof reached */
182 int ist_index; /* index of first stream in ist_table */
183 int buffer_size; /* current total buffer size */
185 int nb_streams; /* number of stream that avconv is aware of; may be different
186 from ctx.nb_streams if new streams appear during av_read_frame() */
190 typedef struct OutputStream {
191 int file_index; /* file index */
192 int index; /* stream index in the output file */
193 int source_index; /* InputStream index */
194 AVStream *st; /* stream in the output file */
195 int encoding_needed; /* true if encoding needed for this stream */
197 /* input pts and corresponding output pts
199 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
200 struct InputStream *sync_ist; /* input stream to sync against */
201 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
202 AVBitStreamFilterContext *bitstream_filters;
208 AVFrame resample_frame; /* temporary frame for image resampling */
209 struct SwsContext *img_resample_ctx; /* for image resampling */
212 int resample_pix_fmt;
213 AVRational frame_rate;
217 float frame_aspect_ratio;
219 /* forced key frames */
220 int64_t *forced_kf_pts;
226 ReSampleContext *resample; /* for audio resampling */
227 int resample_sample_fmt;
228 int resample_channels;
229 int resample_sample_rate;
231 AVAudioConvert *reformat_ctx;
232 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
236 AVFilterContext *output_video_filter;
237 AVFilterContext *input_video_filter;
238 AVFilterBufferRef *picref;
240 AVFilterGraph *graph;
245 int is_past_recording_time;
247 const char *attachment_filename;
248 int copy_initial_nonkeyframes;
253 /* init terminal so that we can grab keys */
254 static struct termios oldtty;
257 typedef struct OutputFile {
258 AVFormatContext *ctx;
260 int ost_index; /* index of the first stream in output_streams */
261 int64_t recording_time; /* desired length of the resulting file in microseconds */
262 int64_t start_time; /* start time in microseconds */
263 uint64_t limit_filesize;
266 static InputStream *input_streams = NULL;
267 static int nb_input_streams = 0;
268 static InputFile *input_files = NULL;
269 static int nb_input_files = 0;
271 static OutputStream *output_streams = NULL;
272 static int nb_output_streams = 0;
273 static OutputFile *output_files = NULL;
274 static int nb_output_files = 0;
276 typedef struct OptionsContext {
277 /* input/output options */
281 SpecifierOpt *codec_names;
283 SpecifierOpt *audio_channels;
284 int nb_audio_channels;
285 SpecifierOpt *audio_sample_rate;
286 int nb_audio_sample_rate;
287 SpecifierOpt *frame_rates;
289 SpecifierOpt *frame_sizes;
291 SpecifierOpt *frame_pix_fmts;
292 int nb_frame_pix_fmts;
295 int64_t input_ts_offset;
298 SpecifierOpt *ts_scale;
300 SpecifierOpt *dump_attachment;
301 int nb_dump_attachment;
304 StreamMap *stream_maps;
306 /* first item specifies output metadata, second is input */
307 MetadataMap (*meta_data_maps)[2];
308 int nb_meta_data_maps;
309 int metadata_global_manual;
310 int metadata_streams_manual;
311 int metadata_chapters_manual;
312 const char **attachments;
315 int chapters_input_file;
317 int64_t recording_time;
318 uint64_t limit_filesize;
324 int subtitle_disable;
327 /* indexed by output file stream index */
331 SpecifierOpt *metadata;
333 SpecifierOpt *max_frames;
335 SpecifierOpt *bitstream_filters;
336 int nb_bitstream_filters;
337 SpecifierOpt *codec_tags;
339 SpecifierOpt *sample_fmts;
341 SpecifierOpt *qscale;
343 SpecifierOpt *forced_key_frames;
344 int nb_forced_key_frames;
345 SpecifierOpt *force_fps;
347 SpecifierOpt *frame_aspect_ratios;
348 int nb_frame_aspect_ratios;
349 SpecifierOpt *rc_overrides;
351 SpecifierOpt *intra_matrices;
352 int nb_intra_matrices;
353 SpecifierOpt *inter_matrices;
354 int nb_inter_matrices;
355 SpecifierOpt *top_field_first;
356 int nb_top_field_first;
357 SpecifierOpt *metadata_map;
359 SpecifierOpt *presets;
361 SpecifierOpt *copy_initial_nonkeyframes;
362 int nb_copy_initial_nonkeyframes;
364 SpecifierOpt *filters;
369 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
372 for (i = 0; i < o->nb_ ## name; i++) {\
373 char *spec = o->name[i].specifier;\
374 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
375 outvar = o->name[i].u.type;\
381 static void reset_options(OptionsContext *o)
383 const OptionDef *po = options;
385 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
387 void *dst = (uint8_t*)o + po->u.off;
389 if (po->flags & OPT_SPEC) {
390 SpecifierOpt **so = dst;
391 int i, *count = (int*)(so + 1);
392 for (i = 0; i < *count; i++) {
393 av_freep(&(*so)[i].specifier);
394 if (po->flags & OPT_STRING)
395 av_freep(&(*so)[i].u.str);
399 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
404 av_freep(&o->stream_maps);
405 av_freep(&o->meta_data_maps);
406 av_freep(&o->streamid_map);
408 memset(o, 0, sizeof(*o));
410 o->mux_max_delay = 0.7;
411 o->recording_time = INT64_MAX;
412 o->limit_filesize = UINT64_MAX;
413 o->chapters_input_file = INT_MAX;
421 static int configure_video_filters(InputStream *ist, OutputStream *ost)
423 AVFilterContext *last_filter, *filter;
424 /** filter graph containing all filters including input & output */
425 AVCodecContext *codec = ost->st->codec;
426 AVCodecContext *icodec = ist->st->codec;
427 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
428 AVBufferSinkParams *buffersink_params = av_buffersink_params_alloc();
429 AVRational sample_aspect_ratio;
433 ost->graph = avfilter_graph_alloc();
435 if (ist->st->sample_aspect_ratio.num){
436 sample_aspect_ratio = ist->st->sample_aspect_ratio;
438 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
440 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
441 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
442 sample_aspect_ratio.num, sample_aspect_ratio.den);
444 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
445 "src", args, NULL, ost->graph);
448 #if FF_API_OLD_VSINK_API
449 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
450 "out", NULL, pix_fmts, ost->graph);
452 buffersink_params->pixel_fmts = pix_fmts;
453 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
454 "out", NULL, buffersink_params, ost->graph);
456 av_freep(&buffersink_params);
459 last_filter = ost->input_video_filter;
461 if (codec->width != icodec->width || codec->height != icodec->height) {
462 snprintf(args, 255, "%d:%d:flags=0x%X",
465 (unsigned)ost->sws_flags);
466 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
467 NULL, args, NULL, ost->graph)) < 0)
469 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
471 last_filter = filter;
474 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
475 ost->graph->scale_sws_opts = av_strdup(args);
478 AVFilterInOut *outputs = avfilter_inout_alloc();
479 AVFilterInOut *inputs = avfilter_inout_alloc();
481 outputs->name = av_strdup("in");
482 outputs->filter_ctx = last_filter;
483 outputs->pad_idx = 0;
484 outputs->next = NULL;
486 inputs->name = av_strdup("out");
487 inputs->filter_ctx = ost->output_video_filter;
491 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
493 av_freep(&ost->avfilter);
495 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
499 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
502 codec->width = ost->output_video_filter->inputs[0]->w;
503 codec->height = ost->output_video_filter->inputs[0]->h;
504 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
505 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
506 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
507 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
511 #endif /* CONFIG_AVFILTER */
513 static void term_exit(void)
515 av_log(NULL, AV_LOG_QUIET, "%s", "");
518 tcsetattr (0, TCSANOW, &oldtty);
522 static volatile int received_sigterm = 0;
525 sigterm_handler(int sig)
527 received_sigterm = sig;
532 static void term_init(void)
542 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
543 |INLCR|IGNCR|ICRNL|IXON);
544 tty.c_oflag |= OPOST;
545 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
546 tty.c_cflag &= ~(CSIZE|PARENB);
551 tcsetattr (0, TCSANOW, &tty);
552 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
556 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
557 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
559 signal(SIGXCPU, sigterm_handler);
563 /* read a key without blocking */
564 static int read_key(void)
579 n = select(1, &rfds, NULL, NULL, &tv);
594 static int decode_interrupt_cb(void *ctx)
596 q_pressed += read_key() == 'q';
597 return q_pressed > 1;
600 static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
602 void exit_program(int ret)
607 for(i=0;i<nb_output_files;i++) {
608 AVFormatContext *s = output_files[i].ctx;
609 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
611 avformat_free_context(s);
612 av_dict_free(&output_files[i].opts);
614 for(i=0;i<nb_input_files;i++) {
615 avformat_close_input(&input_files[i].ctx);
617 for (i = 0; i < nb_input_streams; i++) {
618 av_freep(&input_streams[i].decoded_frame);
619 av_freep(&input_streams[i].filtered_frame);
620 av_dict_free(&input_streams[i].opts);
625 av_free(vstats_filename);
627 av_freep(&input_streams);
628 av_freep(&input_files);
629 av_freep(&output_streams);
630 av_freep(&output_files);
635 allocated_audio_buf_size= allocated_audio_out_size= 0;
640 avformat_network_deinit();
642 if (received_sigterm) {
643 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
644 (int) received_sigterm);
651 static void assert_avoptions(AVDictionary *m)
653 AVDictionaryEntry *t;
654 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
655 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
660 static void assert_codec_experimental(AVCodecContext *c, int encoder)
662 const char *codec_string = encoder ? "encoder" : "decoder";
664 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
665 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
666 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
667 "results.\nAdd '-strict experimental' if you want to use it.\n",
668 codec_string, c->codec->name);
669 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
670 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
671 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
672 codec_string, codec->name);
677 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
679 if(codec && codec->sample_fmts){
680 const enum AVSampleFormat *p= codec->sample_fmts;
682 if(*p == st->codec->sample_fmt)
686 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
687 av_log(NULL, AV_LOG_ERROR, "Convertion will not be lossless'\n");
688 if(av_get_sample_fmt_name(st->codec->sample_fmt))
689 av_log(NULL, AV_LOG_WARNING,
690 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
691 av_get_sample_fmt_name(st->codec->sample_fmt),
693 av_get_sample_fmt_name(codec->sample_fmts[0]));
694 st->codec->sample_fmt = codec->sample_fmts[0];
699 static void choose_sample_rate(AVStream *st, AVCodec *codec)
701 if(codec && codec->supported_samplerates){
702 const int *p= codec->supported_samplerates;
704 int best_dist=INT_MAX;
706 int dist= abs(st->codec->sample_rate - *p);
707 if(dist < best_dist){
713 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
715 st->codec->sample_rate= best;
719 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
721 if(codec && codec->pix_fmts){
722 const enum PixelFormat *p= codec->pix_fmts;
723 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
724 if(st->codec->codec_id==CODEC_ID_MJPEG){
725 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
726 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
727 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE};
730 for (; *p != PIX_FMT_NONE; p++) {
731 if(*p == st->codec->pix_fmt)
734 if (*p == PIX_FMT_NONE) {
735 if(st->codec->pix_fmt != PIX_FMT_NONE)
736 av_log(NULL, AV_LOG_WARNING,
737 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
738 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
740 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
741 st->codec->pix_fmt = codec->pix_fmts[0];
747 get_sync_ipts(const OutputStream *ost)
749 const InputStream *ist = ost->sync_ist;
750 OutputFile *of = &output_files[ost->file_index];
751 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
754 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
758 AVPacket new_pkt= *pkt;
759 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
760 &new_pkt.data, &new_pkt.size,
761 pkt->data, pkt->size,
762 pkt->flags & AV_PKT_FLAG_KEY);
765 new_pkt.destruct= av_destruct_packet;
767 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
768 bsfc->filter->name, pkt->stream_index,
769 avctx->codec ? avctx->codec->name : "copy");
779 ret= av_interleaved_write_frame(s, pkt);
781 print_error("av_interleaved_write_frame()", ret);
786 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
788 int fill_char = 0x00;
789 if (sample_fmt == AV_SAMPLE_FMT_U8)
791 memset(buf, fill_char, size);
794 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
795 InputStream *ist, AVFrame *decoded_frame)
798 int64_t audio_out_size, audio_buf_size;
800 int size_out, frame_bytes, ret, resample_changed;
801 AVCodecContext *enc= ost->st->codec;
802 AVCodecContext *dec= ist->st->codec;
803 int osize = av_get_bytes_per_sample(enc->sample_fmt);
804 int isize = av_get_bytes_per_sample(dec->sample_fmt);
805 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
806 uint8_t *buf = decoded_frame->data[0];
807 int size = decoded_frame->nb_samples * dec->channels * isize;
808 int64_t allocated_for_size = size;
811 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
812 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
813 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
814 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
815 audio_buf_size*= osize*enc->channels;
817 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
818 if(coded_bps > 8*osize)
819 audio_out_size= audio_out_size * coded_bps / (8*osize);
820 audio_out_size += FF_MIN_BUFFER_SIZE;
822 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
823 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
827 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
828 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
829 if (!audio_buf || !audio_out){
830 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
834 if (enc->channels != dec->channels)
835 ost->audio_resample = 1;
837 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
838 ost->resample_channels != dec->channels ||
839 ost->resample_sample_rate != dec->sample_rate;
841 if ((ost->audio_resample && !ost->resample) || resample_changed) {
842 if (resample_changed) {
843 av_log(NULL, AV_LOG_INFO, "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n",
844 ist->file_index, ist->st->index,
845 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
846 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
847 ost->resample_sample_fmt = dec->sample_fmt;
848 ost->resample_channels = dec->channels;
849 ost->resample_sample_rate = dec->sample_rate;
851 audio_resample_close(ost->resample);
853 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
854 if (audio_sync_method <= 1 &&
855 ost->resample_sample_fmt == enc->sample_fmt &&
856 ost->resample_channels == enc->channels &&
857 ost->resample_sample_rate == enc->sample_rate) {
858 ost->resample = NULL;
859 ost->audio_resample = 0;
861 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
862 av_log(NULL, AV_LOG_WARNING, "Using s16 intermediate sample format for resampling\n");
863 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
864 enc->sample_rate, dec->sample_rate,
865 enc->sample_fmt, dec->sample_fmt,
867 if (!ost->resample) {
868 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
869 dec->channels, dec->sample_rate,
870 enc->channels, enc->sample_rate);
876 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
877 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
878 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
879 if (ost->reformat_ctx)
880 av_audio_convert_free(ost->reformat_ctx);
881 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
882 dec->sample_fmt, 1, NULL, 0);
883 if (!ost->reformat_ctx) {
884 av_log(NULL, AV_LOG_FATAL, "Cannot convert %s sample format to %s sample format\n",
885 av_get_sample_fmt_name(dec->sample_fmt),
886 av_get_sample_fmt_name(enc->sample_fmt));
889 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
892 if(audio_sync_method){
893 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
894 - av_fifo_size(ost->fifo)/(enc->channels * osize);
895 int idelta = delta * dec->sample_rate / enc->sample_rate;
896 int byte_delta = idelta * isize * dec->channels;
898 //FIXME resample delay
899 if(fabs(delta) > 50){
900 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
902 byte_delta= FFMAX(byte_delta, -size);
905 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
906 -byte_delta / (isize * dec->channels));
911 static uint8_t *input_tmp= NULL;
912 input_tmp= av_realloc(input_tmp, byte_delta + size);
914 if(byte_delta > allocated_for_size - size){
915 allocated_for_size= byte_delta + (int64_t)size;
920 generate_silence(input_tmp, dec->sample_fmt, byte_delta);
921 memcpy(input_tmp + byte_delta, buf, size);
924 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
926 }else if(audio_sync_method>1){
927 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
928 av_assert0(ost->audio_resample);
929 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
930 delta, comp, enc->sample_rate);
931 // fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2));
932 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
936 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
937 - av_fifo_size(ost->fifo)/(enc->channels * osize); //FIXME wrong
939 if (ost->audio_resample) {
941 size_out = audio_resample(ost->resample,
942 (short *)buftmp, (short *)buf,
943 size / (dec->channels * isize));
944 size_out = size_out * enc->channels * osize;
950 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
951 const void *ibuf[6]= {buftmp};
952 void *obuf[6]= {audio_buf};
953 int istride[6]= {isize};
954 int ostride[6]= {osize};
955 int len= size_out/istride[0];
956 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
957 printf("av_audio_convert() failed\n");
963 size_out = len*osize;
966 /* now encode as many frames as possible */
967 if (enc->frame_size > 1) {
968 /* output resampled raw samples */
969 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
970 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
973 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
975 frame_bytes = enc->frame_size * osize * enc->channels;
977 while (av_fifo_size(ost->fifo) >= frame_bytes) {
979 av_init_packet(&pkt);
981 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
983 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
985 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
988 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
992 pkt.stream_index= ost->index;
995 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
996 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
997 pkt.flags |= AV_PKT_FLAG_KEY;
998 write_frame(s, &pkt, enc, ost->bitstream_filters);
1000 ost->sync_opts += enc->frame_size;
1004 av_init_packet(&pkt);
1006 ost->sync_opts += size_out / (osize * enc->channels);
1008 /* output a pcm frame */
1009 /* determine the size of the coded buffer */
1012 size_out = size_out*coded_bps/8;
1014 if(size_out > audio_out_size){
1015 av_log(NULL, AV_LOG_FATAL, "Internal error, buffer size too small\n");
1019 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1020 ret = avcodec_encode_audio(enc, audio_out, size_out,
1023 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1027 pkt.stream_index= ost->index;
1028 pkt.data= audio_out;
1030 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1031 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1032 pkt.flags |= AV_PKT_FLAG_KEY;
1033 write_frame(s, &pkt, enc, ost->bitstream_filters);
1037 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1039 AVCodecContext *dec;
1040 AVPicture *picture2;
1041 AVPicture picture_tmp;
1044 dec = ist->st->codec;
1046 /* deinterlace : must be done before any resize */
1047 if (do_deinterlace) {
1050 /* create temporary picture */
1051 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1052 buf = av_malloc(size);
1056 picture2 = &picture_tmp;
1057 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1059 if(avpicture_deinterlace(picture2, picture,
1060 dec->pix_fmt, dec->width, dec->height) < 0) {
1061 /* if error, do not deinterlace */
1062 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1071 if (picture != picture2)
1072 *picture = *picture2;
1076 static void do_subtitle_out(AVFormatContext *s,
1082 static uint8_t *subtitle_out = NULL;
1083 int subtitle_out_max_size = 1024 * 1024;
1084 int subtitle_out_size, nb, i;
1085 AVCodecContext *enc;
1088 if (pts == AV_NOPTS_VALUE) {
1089 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1095 enc = ost->st->codec;
1097 if (!subtitle_out) {
1098 subtitle_out = av_malloc(subtitle_out_max_size);
1101 /* Note: DVB subtitle need one packet to draw them and one other
1102 packet to clear them */
1103 /* XXX: signal it in the codec context ? */
1104 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1109 for(i = 0; i < nb; i++) {
1110 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1111 // start_display_time is required to be 0
1112 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1113 sub->end_display_time -= sub->start_display_time;
1114 sub->start_display_time = 0;
1115 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1116 subtitle_out_max_size, sub);
1117 if (subtitle_out_size < 0) {
1118 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1122 av_init_packet(&pkt);
1123 pkt.stream_index = ost->index;
1124 pkt.data = subtitle_out;
1125 pkt.size = subtitle_out_size;
1126 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1127 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1128 /* XXX: the pts correction is handled here. Maybe handling
1129 it in the codec would be better */
1131 pkt.pts += 90 * sub->start_display_time;
1133 pkt.pts += 90 * sub->end_display_time;
1135 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1139 static int bit_buffer_size= 1024*256;
1140 static uint8_t *bit_buffer= NULL;
1142 static void do_video_resample(OutputStream *ost,
1144 AVFrame *in_picture,
1145 AVFrame **out_picture)
1147 int resample_changed = 0;
1148 AVCodecContext *dec = ist->st->codec;
1149 AVCodecContext *enc = ost->st->codec;
1150 *out_picture = in_picture;
1152 resample_changed = ost->resample_width != dec->width ||
1153 ost->resample_height != dec->height ||
1154 ost->resample_pix_fmt != dec->pix_fmt;
1156 #if !CONFIG_AVFILTER
1157 if (resample_changed) {
1158 av_log(NULL, AV_LOG_INFO,
1159 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1160 ist->file_index, ist->st->index,
1161 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1162 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1163 ost->resample_width = dec->width;
1164 ost->resample_height = dec->height;
1165 ost->resample_pix_fmt = dec->pix_fmt;
1168 ost->video_resample = dec->width != enc->width ||
1169 dec->height != enc->height ||
1170 dec->pix_fmt != enc->pix_fmt;
1172 if (ost->video_resample) {
1173 *out_picture = &ost->resample_frame;
1174 if (!ost->img_resample_ctx || resample_changed) {
1175 /* initialize the destination picture */
1176 if (!ost->resample_frame.data[0]) {
1177 avcodec_get_frame_defaults(&ost->resample_frame);
1178 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1179 enc->width, enc->height)) {
1180 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1184 /* initialize a new scaler context */
1185 sws_freeContext(ost->img_resample_ctx);
1186 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1187 enc->width, enc->height, enc->pix_fmt,
1188 ost->sws_flags, NULL, NULL, NULL);
1189 if (ost->img_resample_ctx == NULL) {
1190 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
1194 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1195 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1198 if (resample_changed) {
1199 avfilter_graph_free(&ost->graph);
1200 if (configure_video_filters(ist, ost)) {
1201 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1206 if (resample_changed) {
1207 ost->resample_width = dec->width;
1208 ost->resample_height = dec->height;
1209 ost->resample_pix_fmt = dec->pix_fmt;
1214 static void do_video_out(AVFormatContext *s,
1217 AVFrame *in_picture,
1218 int *frame_size, float quality)
1220 int nb_frames, i, ret, format_video_sync;
1221 AVFrame *final_picture;
1222 AVCodecContext *enc;
1225 enc = ost->st->codec;
1227 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1229 /* by default, we output a single frame */
1234 format_video_sync = video_sync_method;
1235 if (format_video_sync < 0)
1236 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? 0 :
1237 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1239 if (format_video_sync) {
1240 double vdelta = sync_ipts - ost->sync_opts;
1241 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1244 else if (format_video_sync == 2) {
1247 }else if(vdelta>0.6)
1248 ost->sync_opts= lrintf(sync_ipts);
1249 }else if (vdelta > 1.1)
1250 nb_frames = lrintf(vdelta);
1251 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
1252 if (nb_frames == 0){
1254 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1255 }else if (nb_frames > 1) {
1256 nb_frames_dup += nb_frames - 1;
1257 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames-1);
1260 ost->sync_opts= lrintf(sync_ipts);
1262 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1266 do_video_resample(ost, ist, in_picture, &final_picture);
1268 /* duplicates frame if needed */
1269 for(i=0;i<nb_frames;i++) {
1271 av_init_packet(&pkt);
1272 pkt.stream_index= ost->index;
1274 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1275 enc->codec->id == CODEC_ID_RAWVIDEO) {
1276 /* raw pictures are written as AVPicture structure to
1277 avoid any copies. We support temporarily the older
1279 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1280 enc->coded_frame->top_field_first = in_picture->top_field_first;
1281 pkt.data= (uint8_t *)final_picture;
1282 pkt.size= sizeof(AVPicture);
1283 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1284 pkt.flags |= AV_PKT_FLAG_KEY;
1286 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1288 AVFrame big_picture;
1290 big_picture= *final_picture;
1291 /* better than nothing: use input picture interlaced
1293 big_picture.interlaced_frame = in_picture->interlaced_frame;
1294 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1295 if (ost->top_field_first == -1)
1296 big_picture.top_field_first = in_picture->top_field_first;
1298 big_picture.top_field_first = !!ost->top_field_first;
1301 /* handles same_quant here. This is not correct because it may
1302 not be a global option */
1303 big_picture.quality = quality;
1304 if (!enc->me_threshold)
1305 big_picture.pict_type = 0;
1306 // big_picture.pts = AV_NOPTS_VALUE;
1307 big_picture.pts= ost->sync_opts;
1308 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1309 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1310 if (ost->forced_kf_index < ost->forced_kf_count &&
1311 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1312 big_picture.pict_type = AV_PICTURE_TYPE_I;
1313 ost->forced_kf_index++;
1315 ret = avcodec_encode_video(enc,
1316 bit_buffer, bit_buffer_size,
1319 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1324 pkt.data= bit_buffer;
1326 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1327 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1328 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1329 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1330 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1332 if(enc->coded_frame->key_frame)
1333 pkt.flags |= AV_PKT_FLAG_KEY;
1334 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1337 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1338 // enc->frame_number-1, ret, enc->pict_type);
1339 /* if two pass, output log */
1340 if (ost->logfile && enc->stats_out) {
1341 fprintf(ost->logfile, "%s", enc->stats_out);
1346 ost->frame_number++;
1350 static double psnr(double d){
1351 return -10.0*log(d)/log(10.0);
1354 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1357 AVCodecContext *enc;
1359 double ti1, bitrate, avg_bitrate;
1361 /* this is executed just the first time do_video_stats is called */
1363 vstats_file = fopen(vstats_filename, "w");
1370 enc = ost->st->codec;
1371 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1372 frame_number = ost->frame_number;
1373 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1374 if (enc->flags&CODEC_FLAG_PSNR)
1375 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1377 fprintf(vstats_file,"f_size= %6d ", frame_size);
1378 /* compute pts value */
1379 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1383 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1384 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1385 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1386 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1387 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1391 static void print_report(OutputFile *output_files,
1392 OutputStream *ost_table, int nb_ostreams,
1393 int is_last_report, int64_t timer_start)
1397 AVFormatContext *oc;
1399 AVCodecContext *enc;
1400 int frame_number, vid, i;
1402 int64_t pts = INT64_MAX;
1403 static int64_t last_time = -1;
1404 static int qp_histogram[52];
1405 int hours, mins, secs, us;
1407 if (!print_stats && !is_last_report)
1410 if (!is_last_report) {
1412 /* display the report every 0.5 seconds */
1413 cur_time = av_gettime();
1414 if (last_time == -1) {
1415 last_time = cur_time;
1418 if ((cur_time - last_time) < 500000)
1420 last_time = cur_time;
1424 oc = output_files[0].ctx;
1426 total_size = avio_size(oc->pb);
1427 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1428 total_size= avio_tell(oc->pb);
1432 for(i=0;i<nb_ostreams;i++) {
1434 ost = &ost_table[i];
1435 enc = ost->st->codec;
1436 if (!ost->stream_copy && enc->coded_frame)
1437 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1438 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1439 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1441 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1442 float t = (av_gettime()-timer_start) / 1000000.0;
1444 frame_number = ost->frame_number;
1445 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1446 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1448 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1452 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1455 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1457 if (enc->flags&CODEC_FLAG_PSNR){
1459 double error, error_sum=0;
1460 double scale, scale_sum=0;
1461 char type[3]= {'Y','U','V'};
1462 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1465 error= enc->error[j];
1466 scale= enc->width*enc->height*255.0*255.0*frame_number;
1468 error= enc->coded_frame->error[j];
1469 scale= enc->width*enc->height*255.0*255.0;
1474 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1476 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1480 /* compute min output value */
1481 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1482 ost->st->time_base, AV_TIME_BASE_Q));
1485 secs = pts / AV_TIME_BASE;
1486 us = pts % AV_TIME_BASE;
1492 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1494 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1495 "size=%8.0fkB time=", total_size / 1024.0);
1496 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1497 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1498 (100 * us) / AV_TIME_BASE);
1499 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1500 "bitrate=%6.1fkbits/s", bitrate);
1502 if (nb_frames_dup || nb_frames_drop)
1503 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1504 nb_frames_dup, nb_frames_drop);
1506 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1510 if (is_last_report) {
1511 int64_t raw= audio_size + video_size + extra_size;
1512 av_log(NULL, AV_LOG_INFO, "\n");
1513 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1517 100.0*(total_size - raw)/raw
1522 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1526 for (i = 0; i < nb_ostreams; i++) {
1527 OutputStream *ost = &ost_table[i];
1528 AVCodecContext *enc = ost->st->codec;
1529 AVFormatContext *os = output_files[ost->file_index].ctx;
1531 if (!ost->encoding_needed)
1534 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1536 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
1542 av_init_packet(&pkt);
1543 pkt.stream_index= ost->index;
1545 switch (ost->st->codec->codec_type) {
1546 case AVMEDIA_TYPE_AUDIO:
1547 fifo_bytes = av_fifo_size(ost->fifo);
1549 /* encode any samples remaining in fifo */
1550 if (fifo_bytes > 0) {
1551 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1552 int fs_tmp = enc->frame_size;
1554 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1555 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1556 enc->frame_size = fifo_bytes / (osize * enc->channels);
1558 int frame_bytes = enc->frame_size*osize*enc->channels;
1559 if (allocated_audio_buf_size < frame_bytes)
1561 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1564 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1565 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1566 ost->st->time_base.num, enc->sample_rate);
1567 enc->frame_size = fs_tmp;
1570 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1573 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1577 pkt.flags |= AV_PKT_FLAG_KEY;
1579 case AVMEDIA_TYPE_VIDEO:
1580 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1582 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1586 if(enc->coded_frame && enc->coded_frame->key_frame)
1587 pkt.flags |= AV_PKT_FLAG_KEY;
1588 if (ost->logfile && enc->stats_out) {
1589 fprintf(ost->logfile, "%s", enc->stats_out);
1598 pkt.data = bit_buffer;
1600 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1601 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1602 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1608 * Check whether a packet from ist should be written into ost at this time
1610 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1612 OutputFile *of = &output_files[ost->file_index];
1613 int ist_index = ist - input_streams;
1615 if (ost->source_index != ist_index)
1618 if (of->start_time && ist->pts < of->start_time)
1621 if (of->recording_time != INT64_MAX &&
1622 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1623 (AVRational){1, 1000000}) >= 0) {
1624 ost->is_past_recording_time = 1;
1631 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1633 OutputFile *of = &output_files[ost->file_index];
1634 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1638 av_init_packet(&opkt);
1640 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1641 !ost->copy_initial_nonkeyframes)
1644 /* force the input stream PTS */
1645 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1646 audio_size += pkt->size;
1647 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1648 video_size += pkt->size;
1652 opkt.stream_index = ost->index;
1653 if (pkt->pts != AV_NOPTS_VALUE)
1654 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1656 opkt.pts = AV_NOPTS_VALUE;
1658 if (pkt->dts == AV_NOPTS_VALUE)
1659 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1661 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1662 opkt.dts -= ost_tb_start_time;
1664 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1665 opkt.flags = pkt->flags;
1667 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1668 if( ost->st->codec->codec_id != CODEC_ID_H264
1669 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1670 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1672 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1673 opkt.destruct = av_destruct_packet;
1675 opkt.data = pkt->data;
1676 opkt.size = pkt->size;
1678 if (of->ctx->oformat->flags & AVFMT_RAWPICTURE) {
1679 /* store AVPicture in AVPacket, as expected by the output format */
1680 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1681 opkt.data = (uint8_t *)&pict;
1682 opkt.size = sizeof(AVPicture);
1683 opkt.flags |= AV_PKT_FLAG_KEY;
1686 write_frame(of->ctx, &opkt, ost->st->codec, ost->bitstream_filters);
1687 ost->st->codec->frame_number++;
1688 ost->frame_number++;
1689 av_free_packet(&opkt);
1692 static void rate_emu_sleep(InputStream *ist)
1694 if (input_files[ist->file_index].rate_emu) {
1695 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1696 int64_t now = av_gettime() - ist->start;
1702 static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1704 AVFrame *decoded_frame;
1705 AVCodecContext *avctx = ist->st->codec;
1706 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1709 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1710 return AVERROR(ENOMEM);
1712 avcodec_get_frame_defaults(ist->decoded_frame);
1713 decoded_frame = ist->decoded_frame;
1715 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1721 /* no audio frame */
1725 /* if the decoder provides a pts, use it instead of the last packet pts.
1726 the decoder could be delaying output by a packet or more. */
1727 if (decoded_frame->pts != AV_NOPTS_VALUE)
1728 ist->next_pts = decoded_frame->pts;
1730 /* increment next_pts to use for the case where the input stream does not
1731 have timestamps or there are multiple frames in the packet */
1732 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1735 // preprocess audio (volume)
1736 if (audio_volume != 256) {
1737 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
1738 void *samples = decoded_frame->data[0];
1739 switch (avctx->sample_fmt) {
1740 case AV_SAMPLE_FMT_U8:
1742 uint8_t *volp = samples;
1743 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1744 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1745 *volp++ = av_clip_uint8(v);
1749 case AV_SAMPLE_FMT_S16:
1751 int16_t *volp = samples;
1752 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1753 int v = ((*volp) * audio_volume + 128) >> 8;
1754 *volp++ = av_clip_int16(v);
1758 case AV_SAMPLE_FMT_S32:
1760 int32_t *volp = samples;
1761 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1762 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1763 *volp++ = av_clipl_int32(v);
1767 case AV_SAMPLE_FMT_FLT:
1769 float *volp = samples;
1770 float scale = audio_volume / 256.f;
1771 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1776 case AV_SAMPLE_FMT_DBL:
1778 double *volp = samples;
1779 double scale = audio_volume / 256.;
1780 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1786 av_log(NULL, AV_LOG_FATAL,
1787 "Audio volume adjustment on sample format %s is not supported.\n",
1788 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1793 rate_emu_sleep(ist);
1795 for (i = 0; i < nb_output_streams; i++) {
1796 OutputStream *ost = &output_streams[i];
1798 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1800 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
1806 static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
1808 AVFrame *decoded_frame, *filtered_frame = NULL;
1809 void *buffer_to_free = NULL;
1813 int frame_available = 1;
1816 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1817 return AVERROR(ENOMEM);
1819 avcodec_get_frame_defaults(ist->decoded_frame);
1820 decoded_frame = ist->decoded_frame;
1821 pkt->pts = *pkt_pts;
1822 pkt->dts = ist->pts;
1823 *pkt_pts = AV_NOPTS_VALUE;
1825 ret = avcodec_decode_video2(ist->st->codec,
1826 decoded_frame, got_output, pkt);
1830 quality = same_quant ? decoded_frame->quality : 0;
1832 /* no picture yet */
1835 ist->next_pts = ist->pts = decoded_frame->best_effort_timestamp;
1837 ist->next_pts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
1838 else if (ist->st->codec->time_base.num != 0) {
1839 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
1840 ist->st->codec->ticks_per_frame;
1841 ist->next_pts += ((int64_t)AV_TIME_BASE *
1842 ist->st->codec->time_base.num * ticks) /
1843 ist->st->codec->time_base.den;
1846 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1848 rate_emu_sleep(ist);
1850 for (i = 0; i < nb_output_streams; i++) {
1851 OutputStream *ost = &output_streams[i];
1854 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1858 if (ost->input_video_filter) {
1859 if (!decoded_frame->sample_aspect_ratio.num)
1860 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1861 decoded_frame->pts = ist->pts;
1863 av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame, AV_VSRC_BUF_FLAG_OVERWRITE);
1864 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
1865 av_free(buffer_to_free);
1866 return AVERROR(ENOMEM);
1868 avcodec_get_frame_defaults(ist->filtered_frame);
1869 filtered_frame = ist->filtered_frame;
1870 frame_available = avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1872 while (frame_available) {
1873 if (ost->output_video_filter) {
1874 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
1875 if (av_buffersink_get_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
1878 avfilter_fill_frame_from_video_buffer_ref(filtered_frame, ost->picref);
1879 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1882 if (ost->picref->video && !ost->frame_aspect_ratio)
1883 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1885 filtered_frame = decoded_frame;
1888 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame, &frame_size,
1889 same_quant ? quality : ost->st->codec->global_quality);
1890 if (vstats_filename && frame_size)
1891 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
1894 frame_available = ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1896 avfilter_unref_buffer(ost->picref);
1901 av_free(buffer_to_free);
1905 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1907 AVSubtitle subtitle;
1908 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1909 &subtitle, got_output, pkt);
1915 rate_emu_sleep(ist);
1917 for (i = 0; i < nb_output_streams; i++) {
1918 OutputStream *ost = &output_streams[i];
1920 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1923 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
1926 avsubtitle_free(&subtitle);
1930 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1931 static int output_packet(InputStream *ist,
1932 OutputStream *ost_table, int nb_ostreams,
1933 const AVPacket *pkt)
1937 int64_t pkt_pts = AV_NOPTS_VALUE;
1940 if (ist->next_pts == AV_NOPTS_VALUE)
1941 ist->next_pts = ist->pts;
1945 av_init_packet(&avpkt);
1953 if(pkt->dts != AV_NOPTS_VALUE)
1954 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1955 if(pkt->pts != AV_NOPTS_VALUE)
1956 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1958 //while we have more to decode or while the decoder did output something on EOF
1959 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
1963 ist->pts = ist->next_pts;
1965 if (avpkt.size && avpkt.size != pkt->size) {
1966 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1967 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1968 ist->showed_multi_packet_warning = 1;
1971 switch(ist->st->codec->codec_type) {
1972 case AVMEDIA_TYPE_AUDIO:
1973 ret = transcode_audio (ist, &avpkt, &got_output);
1975 case AVMEDIA_TYPE_VIDEO:
1976 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
1978 case AVMEDIA_TYPE_SUBTITLE:
1979 ret = transcode_subtitles(ist, &avpkt, &got_output);
1987 // touch data and size only if not EOF
1997 /* handle stream copy */
1998 if (!ist->decoding_needed) {
1999 rate_emu_sleep(ist);
2000 ist->pts = ist->next_pts;
2001 switch (ist->st->codec->codec_type) {
2002 case AVMEDIA_TYPE_AUDIO:
2003 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2004 ist->st->codec->sample_rate;
2006 case AVMEDIA_TYPE_VIDEO:
2007 if (ist->st->codec->time_base.num != 0) {
2008 int ticks = ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
2009 ist->next_pts += ((int64_t)AV_TIME_BASE *
2010 ist->st->codec->time_base.num * ticks) /
2011 ist->st->codec->time_base.den;
2016 for (i = 0; pkt && i < nb_ostreams; i++) {
2017 OutputStream *ost = &ost_table[i];
2019 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2022 do_streamcopy(ist, ost, pkt);
2028 static void print_sdp(OutputFile *output_files, int n)
2032 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
2036 for (i = 0; i < n; i++)
2037 avc[i] = output_files[i].ctx;
2039 av_sdp_create(avc, n, sdp, sizeof(sdp));
2040 printf("SDP:\n%s\n", sdp);
2045 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2046 char *error, int error_len)
2049 InputStream *ist = &input_streams[ist_index];
2050 if (ist->decoding_needed) {
2051 AVCodec *codec = ist->dec;
2053 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
2054 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2055 return AVERROR(EINVAL);
2058 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2059 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2060 ist->file_index, ist->st->index);
2061 return AVERROR(EINVAL);
2063 assert_codec_experimental(ist->st->codec, 0);
2064 assert_avoptions(ist->opts);
2067 ist->pts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames*AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
2068 ist->next_pts = AV_NOPTS_VALUE;
2074 static int transcode_init(OutputFile *output_files,
2075 int nb_output_files,
2076 InputFile *input_files,
2079 int ret = 0, i, j, k;
2080 AVFormatContext *oc;
2081 AVCodecContext *codec, *icodec;
2087 /* init framerate emulation */
2088 for (i = 0; i < nb_input_files; i++) {
2089 InputFile *ifile = &input_files[i];
2090 if (ifile->rate_emu)
2091 for (j = 0; j < ifile->nb_streams; j++)
2092 input_streams[j + ifile->ist_index].start = av_gettime();
2095 /* output stream init */
2096 for (i = 0; i < nb_output_files; i++) {
2097 oc = output_files[i].ctx;
2098 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2099 av_dump_format(oc, i, oc->filename, 1);
2100 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2101 return AVERROR(EINVAL);
2105 /* for each output stream, we compute the right encoding parameters */
2106 for (i = 0; i < nb_output_streams; i++) {
2107 ost = &output_streams[i];
2108 oc = output_files[ost->file_index].ctx;
2109 ist = &input_streams[ost->source_index];
2111 if (ost->attachment_filename)
2114 codec = ost->st->codec;
2115 icodec = ist->st->codec;
2117 ost->st->disposition = ist->st->disposition;
2118 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2119 codec->chroma_sample_location = icodec->chroma_sample_location;
2121 if (ost->stream_copy) {
2122 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2124 if (extra_size > INT_MAX) {
2125 return AVERROR(EINVAL);
2128 /* if stream_copy is selected, no need to decode or encode */
2129 codec->codec_id = icodec->codec_id;
2130 codec->codec_type = icodec->codec_type;
2132 if (!codec->codec_tag) {
2133 if (!oc->oformat->codec_tag ||
2134 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2135 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2136 codec->codec_tag = icodec->codec_tag;
2139 codec->bit_rate = icodec->bit_rate;
2140 codec->rc_max_rate = icodec->rc_max_rate;
2141 codec->rc_buffer_size = icodec->rc_buffer_size;
2142 codec->field_order = icodec->field_order;
2143 codec->extradata = av_mallocz(extra_size);
2144 if (!codec->extradata) {
2145 return AVERROR(ENOMEM);
2147 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2149 codec->extradata_size = icodec->extradata_size;
2151 codec->time_base = icodec->time_base;
2152 codec->time_base.num *= icodec->ticks_per_frame;
2153 av_reduce(&codec->time_base.num, &codec->time_base.den,
2154 codec->time_base.num, codec->time_base.den, INT_MAX);
2156 codec->time_base = ist->st->time_base;
2158 switch(codec->codec_type) {
2159 case AVMEDIA_TYPE_AUDIO:
2160 if(audio_volume != 256) {
2161 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2164 codec->channel_layout = icodec->channel_layout;
2165 codec->sample_rate = icodec->sample_rate;
2166 codec->channels = icodec->channels;
2167 codec->frame_size = icodec->frame_size;
2168 codec->audio_service_type = icodec->audio_service_type;
2169 codec->block_align = icodec->block_align;
2171 case AVMEDIA_TYPE_VIDEO:
2172 codec->pix_fmt = icodec->pix_fmt;
2173 codec->width = icodec->width;
2174 codec->height = icodec->height;
2175 codec->has_b_frames = icodec->has_b_frames;
2176 if (!codec->sample_aspect_ratio.num) {
2177 codec->sample_aspect_ratio =
2178 ost->st->sample_aspect_ratio =
2179 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2180 ist->st->codec->sample_aspect_ratio.num ?
2181 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2184 case AVMEDIA_TYPE_SUBTITLE:
2185 codec->width = icodec->width;
2186 codec->height = icodec->height;
2188 case AVMEDIA_TYPE_DATA:
2189 case AVMEDIA_TYPE_ATTACHMENT:
2196 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2198 ist->decoding_needed = 1;
2199 ost->encoding_needed = 1;
2201 switch(codec->codec_type) {
2202 case AVMEDIA_TYPE_AUDIO:
2203 ost->fifo = av_fifo_alloc(1024);
2205 return AVERROR(ENOMEM);
2207 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2209 if (!codec->sample_rate)
2210 codec->sample_rate = icodec->sample_rate;
2211 choose_sample_rate(ost->st, ost->enc);
2212 codec->time_base = (AVRational){1, codec->sample_rate};
2214 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2215 codec->sample_fmt = icodec->sample_fmt;
2216 choose_sample_fmt(ost->st, ost->enc);
2218 if (!codec->channels) {
2219 codec->channels = icodec->channels;
2220 codec->channel_layout = icodec->channel_layout;
2222 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2223 codec->channel_layout = 0;
2225 ost->audio_resample = codec-> sample_rate != icodec->sample_rate || audio_sync_method > 1;
2226 icodec->request_channels = codec-> channels;
2227 ost->resample_sample_fmt = icodec->sample_fmt;
2228 ost->resample_sample_rate = icodec->sample_rate;
2229 ost->resample_channels = icodec->channels;
2231 case AVMEDIA_TYPE_VIDEO:
2232 if (codec->pix_fmt == PIX_FMT_NONE)
2233 codec->pix_fmt = icodec->pix_fmt;
2234 choose_pixel_fmt(ost->st, ost->enc);
2236 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2237 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2241 if (!codec->width || !codec->height) {
2242 codec->width = icodec->width;
2243 codec->height = icodec->height;
2246 ost->video_resample = codec->width != icodec->width ||
2247 codec->height != icodec->height ||
2248 codec->pix_fmt != icodec->pix_fmt;
2249 if (ost->video_resample) {
2250 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2253 ost->resample_height = icodec->height;
2254 ost->resample_width = icodec->width;
2255 ost->resample_pix_fmt = icodec->pix_fmt;
2257 if (!ost->frame_rate.num)
2258 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2259 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2260 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2261 ost->frame_rate = ost->enc->supported_framerates[idx];
2263 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2264 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2265 && (video_sync_method==1 || (video_sync_method<0 && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2266 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2267 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2271 if (configure_video_filters(ist, ost)) {
2272 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2277 case AVMEDIA_TYPE_SUBTITLE:
2284 if (codec->codec_id != CODEC_ID_H264 &&
2285 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2286 char logfilename[1024];
2289 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2290 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2292 if (codec->flags & CODEC_FLAG_PASS1) {
2293 f = fopen(logfilename, "wb");
2295 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2296 logfilename, strerror(errno));
2302 size_t logbuffer_size;
2303 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2304 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2308 codec->stats_in = logbuffer;
2312 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2313 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2314 int size = codec->width * codec->height;
2315 bit_buffer_size = FFMAX(bit_buffer_size, 6*size + 1664);
2320 bit_buffer = av_malloc(bit_buffer_size);
2322 av_log(NULL, AV_LOG_ERROR, "Cannot allocate %d bytes output buffer\n",
2324 return AVERROR(ENOMEM);
2327 /* open each encoder */
2328 for (i = 0; i < nb_output_streams; i++) {
2329 ost = &output_streams[i];
2330 if (ost->encoding_needed) {
2331 AVCodec *codec = ost->enc;
2332 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2334 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d:%d",
2335 ost->st->codec->codec_id, ost->file_index, ost->index);
2336 ret = AVERROR(EINVAL);
2339 if (dec->subtitle_header) {
2340 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2341 if (!ost->st->codec->subtitle_header) {
2342 ret = AVERROR(ENOMEM);
2345 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2346 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2348 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2349 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2350 ost->file_index, ost->index);
2351 ret = AVERROR(EINVAL);
2354 assert_codec_experimental(ost->st->codec, 1);
2355 assert_avoptions(ost->opts);
2356 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2357 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2358 "It takes bits/s as argument, not kbits/s\n");
2359 extra_size += ost->st->codec->extradata_size;
2361 if (ost->st->codec->me_threshold)
2362 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2366 /* init input streams */
2367 for (i = 0; i < nb_input_streams; i++)
2368 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2371 /* discard unused programs */
2372 for (i = 0; i < nb_input_files; i++) {
2373 InputFile *ifile = &input_files[i];
2374 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2375 AVProgram *p = ifile->ctx->programs[j];
2376 int discard = AVDISCARD_ALL;
2378 for (k = 0; k < p->nb_stream_indexes; k++)
2379 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2380 discard = AVDISCARD_DEFAULT;
2383 p->discard = discard;
2387 /* open files and write file headers */
2388 for (i = 0; i < nb_output_files; i++) {
2389 oc = output_files[i].ctx;
2390 oc->interrupt_callback = int_cb;
2391 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
2392 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2393 ret = AVERROR(EINVAL);
2396 // assert_avoptions(output_files[i].opts);
2397 if (strcmp(oc->oformat->name, "rtp")) {
2403 /* dump the file output parameters - cannot be done before in case
2405 for (i = 0; i < nb_output_files; i++) {
2406 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2409 /* dump the stream mapping */
2410 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2411 for (i = 0; i < nb_output_streams; i++) {
2412 ost = &output_streams[i];
2414 if (ost->attachment_filename) {
2415 /* an attached file */
2416 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2417 ost->attachment_filename, ost->file_index, ost->index);
2420 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2421 input_streams[ost->source_index].file_index,
2422 input_streams[ost->source_index].st->index,
2425 if (ost->sync_ist != &input_streams[ost->source_index])
2426 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2427 ost->sync_ist->file_index,
2428 ost->sync_ist->st->index);
2429 if (ost->stream_copy)
2430 av_log(NULL, AV_LOG_INFO, " (copy)");
2432 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2433 input_streams[ost->source_index].dec->name : "?",
2434 ost->enc ? ost->enc->name : "?");
2435 av_log(NULL, AV_LOG_INFO, "\n");
2439 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2444 print_sdp(output_files, nb_output_files);
2451 * The following code is the main loop of the file converter
2453 static int transcode(OutputFile *output_files,
2454 int nb_output_files,
2455 InputFile *input_files,
2459 AVFormatContext *is, *os;
2463 int no_packet_count=0;
2464 int64_t timer_start;
2467 if (!(no_packet = av_mallocz(nb_input_files)))
2470 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2475 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
2476 avio_set_interrupt_cb(decode_interrupt_cb);
2480 timer_start = av_gettime();
2482 for(; received_sigterm == 0;) {
2483 int file_index, ist_index;
2488 ipts_min = INT64_MAX;
2490 /* if 'q' pressed, exits */
2494 /* read_key() returns 0 on EOF */
2498 if (key == '+') av_log_set_level(av_log_get_level()+10);
2499 if (key == '-') av_log_set_level(av_log_get_level()-10);
2500 if (key == 's') qp_hist ^= 1;
2503 do_hex_dump = do_pkt_dump = 0;
2504 } else if(do_pkt_dump){
2508 av_log_set_level(AV_LOG_DEBUG);
2510 if (key == 'd' || key == 'D'){
2513 debug = input_streams[0].st->codec->debug<<1;
2514 if(!debug) debug = 1;
2515 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2518 scanf("%d", &debug);
2519 for(i=0;i<nb_input_streams;i++) {
2520 input_streams[i].st->codec->debug = debug;
2522 for(i=0;i<nb_output_streams;i++) {
2523 ost = &output_streams[i];
2524 ost->st->codec->debug = debug;
2526 if(debug) av_log_set_level(AV_LOG_DEBUG);
2527 fprintf(stderr,"debug=%d\n", debug);
2530 fprintf(stderr, "key function\n"
2531 "? show this help\n"
2532 "+ increase verbosity\n"
2533 "- decrease verbosity\n"
2534 "D cycle through available debug modes\n"
2535 "h dump packets/hex press to cycle through the 3 states\n"
2537 "s Show QP histogram\n"
2542 /* select the stream that we must read now by looking at the
2543 smallest output pts */
2545 for (i = 0; i < nb_output_streams; i++) {
2549 ost = &output_streams[i];
2550 of = &output_files[ost->file_index];
2551 os = output_files[ost->file_index].ctx;
2552 ist = &input_streams[ost->source_index];
2553 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2554 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2556 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2558 if (!input_files[ist->file_index].eof_reached){
2559 if(ipts < ipts_min) {
2561 if(input_sync ) file_index = ist->file_index;
2563 if(opts < opts_min) {
2565 if(!input_sync) file_index = ist->file_index;
2568 if (ost->frame_number >= ost->max_frames) {
2570 for (j = 0; j < of->ctx->nb_streams; j++)
2571 output_streams[of->ost_index + j].is_past_recording_time = 1;
2575 /* if none, if is finished */
2576 if (file_index < 0) {
2577 if(no_packet_count){
2579 memset(no_packet, 0, nb_input_files);
2586 /* read a frame from it and output it in the fifo */
2587 is = input_files[file_index].ctx;
2588 ret= av_read_frame(is, &pkt);
2589 if(ret == AVERROR(EAGAIN)){
2590 no_packet[file_index]=1;
2595 input_files[file_index].eof_reached = 1;
2603 memset(no_packet, 0, nb_input_files);
2606 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2607 is->streams[pkt.stream_index]);
2609 /* the following test is needed in case new streams appear
2610 dynamically in stream : we ignore them */
2611 if (pkt.stream_index >= input_files[file_index].nb_streams)
2612 goto discard_packet;
2613 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2614 ist = &input_streams[ist_index];
2616 goto discard_packet;
2618 if (pkt.dts != AV_NOPTS_VALUE)
2619 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2620 if (pkt.pts != AV_NOPTS_VALUE)
2621 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2623 if(pkt.pts != AV_NOPTS_VALUE)
2624 pkt.pts *= ist->ts_scale;
2625 if(pkt.dts != AV_NOPTS_VALUE)
2626 pkt.dts *= ist->ts_scale;
2628 // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files[ist->file_index].ts_offset, ist->st->codec->codec_type);
2629 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2630 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2631 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2632 int64_t delta= pkt_dts - ist->next_pts;
2633 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2634 input_files[ist->file_index].ts_offset -= delta;
2635 av_log(NULL, AV_LOG_DEBUG, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2636 delta, input_files[ist->file_index].ts_offset);
2637 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2638 if(pkt.pts != AV_NOPTS_VALUE)
2639 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2643 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2644 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
2646 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
2647 ist->file_index, ist->st->index);
2650 av_free_packet(&pkt);
2655 av_free_packet(&pkt);
2657 /* dump report by using the output first video and audio streams */
2658 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2661 /* at the end of stream, we must flush the decoder buffers */
2662 for (i = 0; i < nb_input_streams; i++) {
2663 ist = &input_streams[i];
2664 if (ist->decoding_needed) {
2665 output_packet(ist, output_streams, nb_output_streams, NULL);
2668 flush_encoders(output_streams, nb_output_streams);
2672 /* write the trailer if needed and close file */
2673 for(i=0;i<nb_output_files;i++) {
2674 os = output_files[i].ctx;
2675 av_write_trailer(os);
2678 /* dump report by using the first video and audio streams */
2679 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2681 /* close each encoder */
2682 for (i = 0; i < nb_output_streams; i++) {
2683 ost = &output_streams[i];
2684 if (ost->encoding_needed) {
2685 av_freep(&ost->st->codec->stats_in);
2686 avcodec_close(ost->st->codec);
2689 avfilter_graph_free(&ost->graph);
2693 /* close each decoder */
2694 for (i = 0; i < nb_input_streams; i++) {
2695 ist = &input_streams[i];
2696 if (ist->decoding_needed) {
2697 avcodec_close(ist->st->codec);
2705 av_freep(&bit_buffer);
2706 av_freep(&no_packet);
2708 if (output_streams) {
2709 for (i = 0; i < nb_output_streams; i++) {
2710 ost = &output_streams[i];
2712 if (ost->stream_copy)
2713 av_freep(&ost->st->codec->extradata);
2715 fclose(ost->logfile);
2716 ost->logfile = NULL;
2718 av_fifo_free(ost->fifo); /* works even if fifo is not
2719 initialized but set to zero */
2720 av_freep(&ost->st->codec->subtitle_header);
2721 av_free(ost->resample_frame.data[0]);
2722 av_free(ost->forced_kf_pts);
2723 if (ost->video_resample)
2724 sws_freeContext(ost->img_resample_ctx);
2726 audio_resample_close(ost->resample);
2727 if (ost->reformat_ctx)
2728 av_audio_convert_free(ost->reformat_ctx);
2729 av_dict_free(&ost->opts);
2736 static double parse_frame_aspect_ratio(const char *arg)
2743 p = strchr(arg, ':');
2745 x = strtol(arg, &end, 10);
2747 y = strtol(end+1, &end, 10);
2749 ar = (double)x / (double)y;
2751 ar = strtod(arg, NULL);
2754 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
2760 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2762 return parse_option(o, "codec:a", arg, options);
2765 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2767 return parse_option(o, "codec:v", arg, options);
2770 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2772 return parse_option(o, "codec:s", arg, options);
2775 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2777 return parse_option(o, "codec:d", arg, options);
2780 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2782 StreamMap *m = NULL;
2783 int i, negative = 0, file_idx;
2784 int sync_file_idx = -1, sync_stream_idx;
2792 map = av_strdup(arg);
2794 /* parse sync stream first, just pick first matching stream */
2795 if (sync = strchr(map, ',')) {
2797 sync_file_idx = strtol(sync + 1, &sync, 0);
2798 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2799 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
2804 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2805 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2806 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2807 sync_stream_idx = i;
2810 if (i == input_files[sync_file_idx].nb_streams) {
2811 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
2812 "match any streams.\n", arg);
2818 file_idx = strtol(map, &p, 0);
2819 if (file_idx >= nb_input_files || file_idx < 0) {
2820 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
2824 /* disable some already defined maps */
2825 for (i = 0; i < o->nb_stream_maps; i++) {
2826 m = &o->stream_maps[i];
2827 if (file_idx == m->file_index &&
2828 check_stream_specifier(input_files[m->file_index].ctx,
2829 input_files[m->file_index].ctx->streams[m->stream_index],
2830 *p == ':' ? p + 1 : p) > 0)
2834 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2835 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2836 *p == ':' ? p + 1 : p) <= 0)
2838 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2839 &o->nb_stream_maps, o->nb_stream_maps + 1);
2840 m = &o->stream_maps[o->nb_stream_maps - 1];
2842 m->file_index = file_idx;
2843 m->stream_index = i;
2845 if (sync_file_idx >= 0) {
2846 m->sync_file_index = sync_file_idx;
2847 m->sync_stream_index = sync_stream_idx;
2849 m->sync_file_index = file_idx;
2850 m->sync_stream_index = i;
2855 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
2863 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
2865 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
2866 &o->nb_attachments, o->nb_attachments + 1);
2867 o->attachments[o->nb_attachments - 1] = arg;
2872 * Parse a metadata specifier in arg.
2873 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
2874 * @param index for type c/p, chapter/program index is written here
2875 * @param stream_spec for type s, the stream specifier is written here
2877 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
2885 if (*(++arg) && *arg != ':') {
2886 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
2889 *stream_spec = *arg == ':' ? arg + 1 : "";
2893 if (*(++arg) == ':')
2894 *index = strtol(++arg, NULL, 0);
2897 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
2904 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
2906 AVDictionary **meta_in = NULL;
2907 AVDictionary **meta_out;
2909 char type_in, type_out;
2910 const char *istream_spec = NULL, *ostream_spec = NULL;
2911 int idx_in = 0, idx_out = 0;
2913 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
2914 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
2916 if (type_in == 'g' || type_out == 'g')
2917 o->metadata_global_manual = 1;
2918 if (type_in == 's' || type_out == 's')
2919 o->metadata_streams_manual = 1;
2920 if (type_in == 'c' || type_out == 'c')
2921 o->metadata_chapters_manual = 1;
2923 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
2924 if ((index) < 0 || (index) >= (nb_elems)) {\
2925 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
2930 #define SET_DICT(type, meta, context, index)\
2933 meta = &context->metadata;\
2936 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
2937 meta = &context->chapters[index]->metadata;\
2940 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
2941 meta = &context->programs[index]->metadata;\
2945 SET_DICT(type_in, meta_in, ic, idx_in);
2946 SET_DICT(type_out, meta_out, oc, idx_out);
2948 /* for input streams choose first matching stream */
2949 if (type_in == 's') {
2950 for (i = 0; i < ic->nb_streams; i++) {
2951 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
2952 meta_in = &ic->streams[i]->metadata;
2958 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
2963 if (type_out == 's') {
2964 for (i = 0; i < oc->nb_streams; i++) {
2965 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
2966 meta_out = &oc->streams[i]->metadata;
2967 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
2972 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
2977 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2979 const char *codec_string = encoder ? "encoder" : "decoder";
2983 avcodec_find_encoder_by_name(name) :
2984 avcodec_find_decoder_by_name(name);
2986 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
2989 if(codec->type != type) {
2990 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
2996 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
2998 char *codec_name = NULL;
3000 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3002 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3003 st->codec->codec_id = codec->id;
3006 return avcodec_find_decoder(st->codec->codec_id);
3010 * Add all the streams from the given input file to the global
3011 * list of input streams.
3013 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3015 int i, rfps, rfps_base;
3017 for (i = 0; i < ic->nb_streams; i++) {
3018 AVStream *st = ic->streams[i];
3019 AVCodecContext *dec = st->codec;
3022 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3023 ist = &input_streams[nb_input_streams - 1];
3025 ist->file_index = nb_input_files;
3027 ist->opts = filter_codec_opts(codec_opts, choose_decoder(o, ic, st), ic, st);
3029 ist->ts_scale = 1.0;
3030 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
3032 ist->dec = choose_decoder(o, ic, st);
3034 switch (dec->codec_type) {
3035 case AVMEDIA_TYPE_AUDIO:
3037 ist->dec = avcodec_find_decoder(dec->codec_id);
3038 if(o->audio_disable)
3039 st->discard= AVDISCARD_ALL;
3041 case AVMEDIA_TYPE_VIDEO:
3043 ist->dec = avcodec_find_decoder(dec->codec_id);
3044 rfps = ic->streams[i]->r_frame_rate.num;
3045 rfps_base = ic->streams[i]->r_frame_rate.den;
3047 dec->flags |= CODEC_FLAG_EMU_EDGE;
3050 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3052 av_log(NULL, AV_LOG_INFO,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3053 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3054 (float)rfps / rfps_base, rfps, rfps_base);
3057 if (o->video_disable)
3058 st->discard= AVDISCARD_ALL;
3059 else if(video_discard)
3060 st->discard= video_discard;
3062 case AVMEDIA_TYPE_DATA:
3064 case AVMEDIA_TYPE_SUBTITLE:
3066 ist->dec = avcodec_find_decoder(dec->codec_id);
3067 if(o->subtitle_disable)
3068 st->discard = AVDISCARD_ALL;
3070 case AVMEDIA_TYPE_ATTACHMENT:
3071 case AVMEDIA_TYPE_UNKNOWN:
3079 static void assert_file_overwrite(const char *filename)
3081 if ((!file_overwrite || no_file_overwrite) &&
3082 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3083 av_strstart(filename, "file:", NULL))) {
3084 if (avio_check(filename, 0) == 0) {
3085 if (!using_stdin && (!no_file_overwrite || file_overwrite)) {
3086 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3088 if (!read_yesno()) {
3089 fprintf(stderr, "Not overwriting - exiting\n");
3094 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3101 static void dump_attachment(AVStream *st, const char *filename)
3104 AVIOContext *out = NULL;
3105 AVDictionaryEntry *e;
3107 if (!st->codec->extradata_size) {
3108 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3109 nb_input_files - 1, st->index);
3112 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3113 filename = e->value;
3115 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3116 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3120 assert_file_overwrite(filename);
3122 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
3123 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3128 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3133 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3135 AVFormatContext *ic;
3136 AVInputFormat *file_iformat = NULL;
3140 AVDictionary **opts;
3141 int orig_nb_streams; // number of streams before avformat_find_stream_info
3144 if (!(file_iformat = av_find_input_format(o->format))) {
3145 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3150 if (!strcmp(filename, "-"))
3153 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3154 !strcmp(filename, "/dev/stdin");
3156 /* get default parameters from command line */
3157 ic = avformat_alloc_context();
3159 print_error(filename, AVERROR(ENOMEM));
3162 if (o->nb_audio_sample_rate) {
3163 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3164 av_dict_set(&format_opts, "sample_rate", buf, 0);
3166 if (o->nb_audio_channels) {
3167 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3168 av_dict_set(&format_opts, "channels", buf, 0);
3170 if (o->nb_frame_rates) {
3171 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3173 if (o->nb_frame_sizes) {
3174 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3176 if (o->nb_frame_pix_fmts)
3177 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3179 ic->flags |= AVFMT_FLAG_NONBLOCK;
3180 ic->interrupt_callback = int_cb;
3182 /* open the input file with generic avformat function */
3183 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3185 print_error(filename, err);
3188 assert_avoptions(format_opts);
3190 /* apply forced codec ids */
3191 for (i = 0; i < ic->nb_streams; i++)
3192 choose_decoder(o, ic, ic->streams[i]);
3194 /* Set AVCodecContext options for avformat_find_stream_info */
3195 opts = setup_find_stream_info_opts(ic, codec_opts);
3196 orig_nb_streams = ic->nb_streams;
3198 /* If not enough info to get the stream parameters, we decode the
3199 first frames to get it. (used in mpeg case for example) */
3200 ret = avformat_find_stream_info(ic, opts);
3202 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3203 avformat_close_input(&ic);
3207 timestamp = o->start_time;
3208 /* add the stream start time */
3209 if (ic->start_time != AV_NOPTS_VALUE)
3210 timestamp += ic->start_time;
3212 /* if seeking requested, we execute it */
3213 if (o->start_time != 0) {
3214 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3216 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3217 filename, (double)timestamp / AV_TIME_BASE);
3221 /* update the current parameters so that they match the one of the input stream */
3222 add_input_streams(o, ic);
3224 /* dump the file content */
3225 av_dump_format(ic, nb_input_files, filename, 0);
3227 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3228 input_files[nb_input_files - 1].ctx = ic;
3229 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3230 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3231 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3232 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3234 for (i = 0; i < o->nb_dump_attachment; i++) {
3237 for (j = 0; j < ic->nb_streams; j++) {
3238 AVStream *st = ic->streams[j];
3240 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3241 dump_attachment(st, o->dump_attachment[i].u.str);
3245 for (i = 0; i < orig_nb_streams; i++)
3246 av_dict_free(&opts[i]);
3253 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3254 AVCodecContext *avctx)
3260 for (p = kf; *p; p++)
3263 ost->forced_kf_count = n;
3264 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3265 if (!ost->forced_kf_pts) {
3266 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3269 for (i = 0; i < n; i++) {
3270 p = i ? strchr(p, ',') + 1 : kf;
3271 t = parse_time_or_die("force_key_frames", p, 1);
3272 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3276 static uint8_t *get_line(AVIOContext *s)
3282 if (avio_open_dyn_buf(&line) < 0) {
3283 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3287 while ((c = avio_r8(s)) && c != '\n')
3290 avio_close_dyn_buf(line, &buf);
3295 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3298 char filename[1000];
3299 const char *base[3] = { getenv("AVCONV_DATADIR"),
3304 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3308 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3309 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3310 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3313 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3314 i != 1 ? "" : "/.avconv", preset_name);
3315 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3321 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3323 char *codec_name = NULL;
3325 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3327 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3328 NULL, ost->st->codec->codec_type);
3329 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3330 } else if (!strcmp(codec_name, "copy"))
3331 ost->stream_copy = 1;
3333 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3334 ost->st->codec->codec_id = ost->enc->id;
3338 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3341 AVStream *st = avformat_new_stream(oc, NULL);
3342 int idx = oc->nb_streams - 1, ret = 0;
3343 char *bsf = NULL, *next, *codec_tag = NULL;
3344 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3346 char *buf = NULL, *arg = NULL, *preset = NULL;
3347 AVIOContext *s = NULL;
3350 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3354 if (oc->nb_streams - 1 < o->nb_streamid_map)
3355 st->id = o->streamid_map[oc->nb_streams - 1];
3357 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3358 nb_output_streams + 1);
3359 ost = &output_streams[nb_output_streams - 1];
3360 ost->file_index = nb_output_files;
3363 st->codec->codec_type = type;
3364 choose_encoder(o, oc, ost);
3366 ost->opts = filter_codec_opts(codec_opts, ost->enc, oc, st);
3369 avcodec_get_context_defaults3(st->codec, ost->enc);
3370 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3372 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3373 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3376 if (!buf[0] || buf[0] == '#') {
3380 if (!(arg = strchr(buf, '='))) {
3381 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3385 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3387 } while (!s->eof_reached);
3391 av_log(NULL, AV_LOG_FATAL,
3392 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3393 preset, ost->file_index, ost->index);
3397 ost->max_frames = INT64_MAX;
3398 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
3400 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3402 if (next = strchr(bsf, ','))
3404 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3405 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3409 bsfc_prev->next = bsfc;
3411 ost->bitstream_filters = bsfc;
3417 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3419 uint32_t tag = strtol(codec_tag, &next, 0);
3421 tag = AV_RL32(codec_tag);
3422 st->codec->codec_tag = tag;
3425 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3426 if (qscale >= 0 || same_quant) {
3427 st->codec->flags |= CODEC_FLAG_QSCALE;
3428 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3431 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3432 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3434 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3438 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3441 const char *p = str;
3448 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3455 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3459 AVCodecContext *video_enc;
3461 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3463 video_enc = st->codec;
3465 if (!ost->stream_copy) {
3466 const char *p = NULL;
3467 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3468 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3469 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3472 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3473 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3474 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
3478 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3479 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3480 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
3484 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3485 if (frame_aspect_ratio)
3486 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3488 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3489 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
3490 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
3493 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3495 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
3497 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
3498 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
3501 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
3503 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
3505 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
3506 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
3509 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
3512 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
3515 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3517 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
3520 video_enc->rc_override=
3521 av_realloc(video_enc->rc_override,
3522 sizeof(RcOverride)*(i+1));
3523 video_enc->rc_override[i].start_frame= start;
3524 video_enc->rc_override[i].end_frame = end;
3526 video_enc->rc_override[i].qscale= q;
3527 video_enc->rc_override[i].quality_factor= 1.0;
3530 video_enc->rc_override[i].qscale= 0;
3531 video_enc->rc_override[i].quality_factor= -q/100.0;
3536 video_enc->rc_override_count=i;
3537 if (!video_enc->rc_initial_buffer_occupancy)
3538 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3539 video_enc->intra_dc_precision= intra_dc_precision - 8;
3544 video_enc->flags |= CODEC_FLAG_PASS1;
3546 video_enc->flags |= CODEC_FLAG_PASS2;
3550 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
3551 if (forced_key_frames)
3552 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3554 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
3556 ost->top_field_first = -1;
3557 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
3559 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
3562 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
3564 ost->avfilter = av_strdup(filters);
3571 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
3575 AVCodecContext *audio_enc;
3577 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
3580 audio_enc = st->codec;
3581 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3583 if (!ost->stream_copy) {
3584 char *sample_fmt = NULL;
3586 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3588 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3590 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
3591 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
3595 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
3601 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
3605 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3606 if (!ost->stream_copy) {
3607 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
3614 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
3616 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
3617 ost->stream_copy = 1;
3621 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
3625 AVCodecContext *subtitle_enc;
3627 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
3629 subtitle_enc = st->codec;
3631 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3636 /* arg format is "output-stream-index:streamid-value". */
3637 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
3643 av_strlcpy(idx_str, arg, sizeof(idx_str));
3644 p = strchr(idx_str, ':');
3646 av_log(NULL, AV_LOG_FATAL,
3647 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3652 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3653 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
3654 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3658 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
3660 AVFormatContext *is = ifile->ctx;
3661 AVFormatContext *os = ofile->ctx;
3664 for (i = 0; i < is->nb_chapters; i++) {
3665 AVChapter *in_ch = is->chapters[i], *out_ch;
3666 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
3667 AV_TIME_BASE_Q, in_ch->time_base);
3668 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3669 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3672 if (in_ch->end < ts_off)
3674 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3677 out_ch = av_mallocz(sizeof(AVChapter));
3679 return AVERROR(ENOMEM);
3681 out_ch->id = in_ch->id;
3682 out_ch->time_base = in_ch->time_base;
3683 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3684 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3687 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3690 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3692 return AVERROR(ENOMEM);
3693 os->chapters[os->nb_chapters - 1] = out_ch;
3698 static void opt_output_file(void *optctx, const char *filename)
3700 OptionsContext *o = optctx;
3701 AVFormatContext *oc;
3703 AVOutputFormat *file_oformat;
3707 if (!strcmp(filename, "-"))
3710 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
3712 print_error(filename, err);
3716 file_oformat= oc->oformat;
3717 oc->interrupt_callback = int_cb;
3719 if (!o->nb_stream_maps) {
3720 /* pick the "best" stream of each type */
3721 #define NEW_STREAM(type, index)\
3723 ost = new_ ## type ## _stream(o, oc);\
3724 ost->source_index = index;\
3725 ost->sync_ist = &input_streams[index];\
3726 input_streams[index].discard = 0;\
3729 /* video: highest resolution */
3730 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3731 int area = 0, idx = -1;
3732 for (i = 0; i < nb_input_streams; i++) {
3733 ist = &input_streams[i];
3734 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3735 ist->st->codec->width * ist->st->codec->height > area) {
3736 area = ist->st->codec->width * ist->st->codec->height;
3740 NEW_STREAM(video, idx);
3743 /* audio: most channels */
3744 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3745 int channels = 0, idx = -1;
3746 for (i = 0; i < nb_input_streams; i++) {
3747 ist = &input_streams[i];
3748 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3749 ist->st->codec->channels > channels) {
3750 channels = ist->st->codec->channels;
3754 NEW_STREAM(audio, idx);
3757 /* subtitles: pick first */
3758 if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3759 for (i = 0; i < nb_input_streams; i++)
3760 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3761 NEW_STREAM(subtitle, i);
3765 /* do something with data? */
3767 for (i = 0; i < o->nb_stream_maps; i++) {
3768 StreamMap *map = &o->stream_maps[i];
3773 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3774 switch (ist->st->codec->codec_type) {
3775 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3776 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3777 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3778 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3779 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
3781 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
3782 map->file_index, map->stream_index);
3786 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3787 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3788 map->sync_stream_index];
3793 /* handle attached files */
3794 for (i = 0; i < o->nb_attachments; i++) {
3796 uint8_t *attachment;
3800 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
3801 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
3805 if ((len = avio_size(pb)) <= 0) {
3806 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
3810 if (!(attachment = av_malloc(len))) {
3811 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
3815 avio_read(pb, attachment, len);
3817 ost = new_attachment_stream(o, oc);
3818 ost->stream_copy = 0;
3819 ost->source_index = -1;
3820 ost->attachment_filename = o->attachments[i];
3821 ost->st->codec->extradata = attachment;
3822 ost->st->codec->extradata_size = len;
3824 p = strrchr(o->attachments[i], '/');
3825 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
3829 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3830 output_files[nb_output_files - 1].ctx = oc;
3831 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3832 output_files[nb_output_files - 1].recording_time = o->recording_time;
3833 output_files[nb_output_files - 1].start_time = o->start_time;
3834 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
3835 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3837 /* check filename in case of an image number is expected */
3838 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3839 if (!av_filename_number_test(oc->filename)) {
3840 print_error(oc->filename, AVERROR(EINVAL));
3845 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3846 /* test if it already exists to avoid losing precious files */
3847 assert_file_overwrite(filename);
3850 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
3851 &oc->interrupt_callback,
3852 &output_files[nb_output_files - 1].opts)) < 0) {
3853 print_error(filename, err);
3858 if (o->mux_preload) {
3860 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
3861 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
3863 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
3866 for (i = 0; i < o->nb_metadata_map; i++) {
3868 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
3870 if (in_file_index < 0)
3872 if (in_file_index >= nb_input_files) {
3873 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
3876 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index].ctx, o);
3880 if (o->chapters_input_file >= nb_input_files) {
3881 if (o->chapters_input_file == INT_MAX) {
3882 /* copy chapters from the first input file that has them*/
3883 o->chapters_input_file = -1;
3884 for (i = 0; i < nb_input_files; i++)
3885 if (input_files[i].ctx->nb_chapters) {
3886 o->chapters_input_file = i;
3890 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
3891 o->chapters_input_file);
3895 if (o->chapters_input_file >= 0)
3896 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
3897 !o->metadata_chapters_manual);
3899 /* copy global metadata by default */
3900 if (!o->metadata_global_manual && nb_input_files)
3901 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3902 AV_DICT_DONT_OVERWRITE);
3903 if (!o->metadata_streams_manual)
3904 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3906 if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */
3908 ist = &input_streams[output_streams[i].source_index];
3909 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3912 /* process manually set metadata */
3913 for (i = 0; i < o->nb_metadata; i++) {
3916 const char *stream_spec;
3917 int index = 0, j, ret;
3919 val = strchr(o->metadata[i].u.str, '=');
3921 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
3922 o->metadata[i].u.str);
3927 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
3929 for (j = 0; j < oc->nb_streams; j++) {
3930 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
3931 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
3935 printf("ret %d, stream_spec %s\n", ret, stream_spec);
3943 if (index < 0 || index >= oc->nb_chapters) {
3944 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
3947 m = &oc->chapters[index]->metadata;
3950 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
3953 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
3960 /* same option as mencoder */
3961 static int opt_pass(const char *opt, const char *arg)
3963 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3967 static int64_t getutime(void)
3970 struct rusage rusage;
3972 getrusage(RUSAGE_SELF, &rusage);
3973 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3974 #elif HAVE_GETPROCESSTIMES
3976 FILETIME c, e, k, u;
3977 proc = GetCurrentProcess();
3978 GetProcessTimes(proc, &c, &e, &k, &u);
3979 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3981 return av_gettime();
3985 static int64_t getmaxrss(void)
3987 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3988 struct rusage rusage;
3989 getrusage(RUSAGE_SELF, &rusage);
3990 return (int64_t)rusage.ru_maxrss * 1024;
3991 #elif HAVE_GETPROCESSMEMORYINFO
3993 PROCESS_MEMORY_COUNTERS memcounters;
3994 proc = GetCurrentProcess();
3995 memcounters.cb = sizeof(memcounters);
3996 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3997 return memcounters.PeakPagefileUsage;
4003 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4005 return parse_option(o, "q:a", arg, options);
4008 static void show_usage(void)
4010 printf("Hyper fast Audio and Video encoder\n");
4011 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4015 static int opt_help(const char *opt, const char *arg)
4017 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4018 av_log_set_callback(log_callback_help);
4020 show_help_options(options, "Main options:\n",
4021 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4022 show_help_options(options, "\nAdvanced options:\n",
4023 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4025 show_help_options(options, "\nVideo options:\n",
4026 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4028 show_help_options(options, "\nAdvanced Video options:\n",
4029 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4030 OPT_VIDEO | OPT_EXPERT);
4031 show_help_options(options, "\nAudio options:\n",
4032 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4034 show_help_options(options, "\nAdvanced Audio options:\n",
4035 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4036 OPT_AUDIO | OPT_EXPERT);
4037 show_help_options(options, "\nSubtitle options:\n",
4038 OPT_SUBTITLE | OPT_GRAB,
4040 show_help_options(options, "\nAudio/Video grab options:\n",
4044 show_help_children(avcodec_get_class(), flags);
4045 show_help_children(avformat_get_class(), flags);
4046 show_help_children(sws_get_class(), flags);
4051 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4053 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4054 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
4056 if(!strncmp(arg, "pal-", 4)) {
4059 } else if(!strncmp(arg, "ntsc-", 5)) {
4062 } else if(!strncmp(arg, "film-", 5)) {
4066 /* Try to determine PAL/NTSC by peeking in the input files */
4067 if(nb_input_files) {
4069 for (j = 0; j < nb_input_files; j++) {
4070 for (i = 0; i < input_files[j].nb_streams; i++) {
4071 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4072 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4074 fr = c->time_base.den * 1000 / c->time_base.num;
4078 } else if((fr == 29970) || (fr == 23976)) {
4087 if (norm != UNKNOWN)
4088 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4091 if(norm == UNKNOWN) {
4092 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4093 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4094 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4098 if(!strcmp(arg, "vcd")) {
4099 opt_video_codec(o, "c:v", "mpeg1video");
4100 opt_audio_codec(o, "c:a", "mp2");
4101 parse_option(o, "f", "vcd", options);
4103 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4104 parse_option(o, "r", frame_rates[norm], options);
4105 opt_default("g", norm == PAL ? "15" : "18");
4107 opt_default("b", "1150000");
4108 opt_default("maxrate", "1150000");
4109 opt_default("minrate", "1150000");
4110 opt_default("bufsize", "327680"); // 40*1024*8;
4112 opt_default("b:a", "224000");
4113 parse_option(o, "ar", "44100", options);
4114 parse_option(o, "ac", "2", options);
4116 opt_default("packetsize", "2324");
4117 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4119 /* We have to offset the PTS, so that it is consistent with the SCR.
4120 SCR starts at 36000, but the first two packs contain only padding
4121 and the first pack from the other stream, respectively, may also have
4122 been written before.
4123 So the real data starts at SCR 36000+3*1200. */
4124 o->mux_preload = (36000+3*1200) / 90000.0; //0.44
4125 } else if(!strcmp(arg, "svcd")) {
4127 opt_video_codec(o, "c:v", "mpeg2video");
4128 opt_audio_codec(o, "c:a", "mp2");
4129 parse_option(o, "f", "svcd", options);
4131 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4132 parse_option(o, "r", frame_rates[norm], options);
4133 opt_default("g", norm == PAL ? "15" : "18");
4135 opt_default("b", "2040000");
4136 opt_default("maxrate", "2516000");
4137 opt_default("minrate", "0"); //1145000;
4138 opt_default("bufsize", "1835008"); //224*1024*8;
4139 opt_default("flags", "+scan_offset");
4142 opt_default("b:a", "224000");
4143 parse_option(o, "ar", "44100", options);
4145 opt_default("packetsize", "2324");
4147 } else if(!strcmp(arg, "dvd")) {
4149 opt_video_codec(o, "c:v", "mpeg2video");
4150 opt_audio_codec(o, "c:a", "ac3");
4151 parse_option(o, "f", "dvd", options);
4153 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4154 parse_option(o, "r", frame_rates[norm], options);
4155 opt_default("g", norm == PAL ? "15" : "18");
4157 opt_default("b", "6000000");
4158 opt_default("maxrate", "9000000");
4159 opt_default("minrate", "0"); //1500000;
4160 opt_default("bufsize", "1835008"); //224*1024*8;
4162 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4163 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4165 opt_default("b:a", "448000");
4166 parse_option(o, "ar", "48000", options);
4168 } else if(!strncmp(arg, "dv", 2)) {
4170 parse_option(o, "f", "dv", options);
4172 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4173 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4174 norm == PAL ? "yuv420p" : "yuv411p", options);
4175 parse_option(o, "r", frame_rates[norm], options);
4177 parse_option(o, "ar", "48000", options);
4178 parse_option(o, "ac", "2", options);
4181 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4182 return AVERROR(EINVAL);
4187 static int opt_vstats_file(const char *opt, const char *arg)
4189 av_free (vstats_filename);
4190 vstats_filename=av_strdup (arg);
4194 static int opt_vstats(const char *opt, const char *arg)
4197 time_t today2 = time(NULL);
4198 struct tm *today = localtime(&today2);
4200 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4202 return opt_vstats_file(opt, filename);
4205 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4207 return parse_option(o, "frames:v", arg, options);
4210 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4212 return parse_option(o, "frames:a", arg, options);
4215 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4217 return parse_option(o, "frames:d", arg, options);
4220 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
4224 static int opt_passlogfile(const char *opt, const char *arg)
4226 pass_logfilename_prefix = arg;
4227 #if CONFIG_LIBX264_ENCODER
4228 return opt_default("passlogfile", arg);
4234 static int opt_video_tag(OptionsContext *o, const char *opt, const char *arg)
4236 return parse_option(o, "tag:v", arg, options);
4239 static int opt_audio_tag(OptionsContext *o, const char *opt, const char *arg)
4241 return parse_option(o, "tag:a", arg, options);
4244 static int opt_subtitle_tag(OptionsContext *o, const char *opt, const char *arg)
4246 return parse_option(o, "tag:s", arg, options);
4249 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4251 return parse_option(o, "filter:v", arg, options);
4254 #define OFFSET(x) offsetof(OptionsContext, x)
4255 static const OptionDef options[] = {
4257 #include "cmdutils_common_opts.h"
4258 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4259 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4260 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4261 { "n", OPT_BOOL, {(void*)&no_file_overwrite}, "do not overwrite output files" },
4262 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4263 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4264 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
4265 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
4266 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
4267 "outfile[,metadata]:infile[,metadata]" },
4268 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
4269 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4270 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4271 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4272 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4273 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
4274 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
4275 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
4276 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4277 "add timings for benchmarking" },
4278 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4279 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4280 "dump each input packet" },
4281 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4282 "when dumping packets, also dump the payload" },
4283 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
4284 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4285 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4286 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4287 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4288 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4289 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4290 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4291 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4292 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4293 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
4294 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
4295 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
4296 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4297 { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4299 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
4301 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
4302 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
4303 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
4306 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
4307 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4308 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
4309 { "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" },
4310 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
4311 { "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" },
4312 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
4313 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4314 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
4315 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4316 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4317 "use same quantizer as source (implies VBR)" },
4318 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4319 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4320 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4321 "deinterlace pictures" },
4322 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4323 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4325 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
4327 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
4328 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
4329 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
4330 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4331 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
4332 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4333 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
4334 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4335 { "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" },
4338 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
4339 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
4340 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
4341 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
4342 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
4343 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4344 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4345 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4346 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
4348 /* subtitle options */
4349 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
4350 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4351 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4354 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4357 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
4358 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
4360 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
4362 /* data codec support */
4363 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4365 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4369 int main(int argc, char **argv)
4371 OptionsContext o = { 0 };
4376 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4377 parse_loglevel(argc, argv, options);
4379 if(argc>1 && !strcmp(argv[1], "-d")){
4381 av_log_set_callback(log_callback_null);
4386 avcodec_register_all();
4388 avdevice_register_all();
4391 avfilter_register_all();
4394 avformat_network_init();
4396 show_banner(argc, argv, options);
4399 parse_options(&o, argc, argv, options, opt_output_file);
4401 if(nb_output_files <= 0 && nb_input_files == 0) {
4403 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4407 /* file converter / grab */
4408 if (nb_output_files <= 0) {
4409 fprintf(stderr, "At least one output file must be specified\n");
4413 if (nb_input_files == 0) {
4414 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4419 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4421 ti = getutime() - ti;
4423 int maxrss = getmaxrss() / 1024;
4424 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);