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/pixdesc.h"
44 #include "libavutil/avstring.h"
45 #include "libavutil/libm.h"
46 #include "libavformat/os_support.h"
48 #include "libavformat/ffm.h" // not public API
51 # include "libavfilter/avcodec.h"
52 # include "libavfilter/avfilter.h"
53 # include "libavfilter/avfiltergraph.h"
54 # include "libavfilter/vsrc_buffer.h"
57 #if HAVE_SYS_RESOURCE_H
58 #include <sys/types.h>
60 #include <sys/resource.h>
61 #elif HAVE_GETPROCESSTIMES
64 #if HAVE_GETPROCESSMEMORYINFO
70 #include <sys/select.h>
75 #include <sys/ioctl.h>
85 #include "libavutil/avassert.h"
87 const char program_name[] = "ffmpeg";
88 const int program_birth_year = 2000;
90 /* select an input stream for an output stream */
91 typedef struct AVStreamMap {
95 int sync_stream_index;
99 * select an input file for an output file
101 typedef struct AVMetaDataMap {
102 int file; //< file index
103 char type; //< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
104 int index; //< stream/chapter/program number
107 typedef struct AVChapterMap {
112 static const OptionDef options[];
114 #define MAX_FILES 100
115 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
117 static const char *last_asked_format = NULL;
118 static int64_t input_files_ts_offset[MAX_FILES];
119 static double *input_files_ts_scale[MAX_FILES] = {NULL};
120 static AVCodec **input_codecs = NULL;
121 static int nb_input_codecs = 0;
122 static int nb_input_files_ts_scale[MAX_FILES] = {0};
124 static AVFormatContext *output_files[MAX_FILES];
125 static AVCodec **output_codecs = NULL;
126 static int nb_output_files = 0;
127 static int nb_output_codecs = 0;
129 static AVStreamMap *stream_maps = NULL;
130 static int nb_stream_maps;
132 /* first item specifies output metadata, second is input */
133 static AVMetaDataMap (*meta_data_maps)[2] = NULL;
134 static int nb_meta_data_maps;
135 static int metadata_global_autocopy = 1;
136 static int metadata_streams_autocopy = 1;
137 static int metadata_chapters_autocopy = 1;
139 static AVChapterMap *chapter_maps = NULL;
140 static int nb_chapter_maps;
142 /* indexed by output file stream index */
143 static int *streamid_map = NULL;
144 static int nb_streamid_map = 0;
146 static int frame_width = 0;
147 static int frame_height = 0;
148 static float frame_aspect_ratio = 0;
149 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
150 static int frame_bits_per_raw_sample = 0;
151 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
152 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
153 static AVRational frame_rate;
154 static float video_qscale = 0;
155 static uint16_t *intra_matrix = NULL;
156 static uint16_t *inter_matrix = NULL;
157 static const char *video_rc_override_string=NULL;
158 static int video_disable = 0;
159 static int video_discard = 0;
160 static char *video_codec_name = NULL;
161 static unsigned int video_codec_tag = 0;
162 static char *video_language = NULL;
163 static int same_quality = 0;
164 static int do_deinterlace = 0;
165 static int top_field_first = -1;
166 static int me_threshold = 0;
167 static int intra_dc_precision = 8;
168 static int loop_input = 0;
169 static int loop_output = AVFMT_NOOUTPUTLOOP;
170 static int qp_hist = 0;
172 static char *vfilters = NULL;
175 static int intra_only = 0;
176 static int audio_sample_rate = 44100;
177 static int64_t channel_layout = 0;
178 #define QSCALE_NONE -99999
179 static float audio_qscale = QSCALE_NONE;
180 static int audio_disable = 0;
181 static int audio_channels = 1;
182 static char *audio_codec_name = NULL;
183 static unsigned int audio_codec_tag = 0;
184 static char *audio_language = NULL;
186 static int subtitle_disable = 0;
187 static char *subtitle_codec_name = NULL;
188 static char *subtitle_language = NULL;
189 static unsigned int subtitle_codec_tag = 0;
191 static int data_disable = 0;
192 static char *data_codec_name = NULL;
193 static unsigned int data_codec_tag = 0;
195 static float mux_preload= 0.5;
196 static float mux_max_delay= 0.7;
198 static int64_t recording_time = INT64_MAX;
199 static int64_t start_time = 0;
200 static int64_t recording_timestamp = 0;
201 static int64_t input_ts_offset = 0;
202 static int file_overwrite = 0;
203 static AVDictionary *metadata;
204 static int do_benchmark = 0;
205 static int do_hex_dump = 0;
206 static int do_pkt_dump = 0;
207 static int do_psnr = 0;
208 static int do_pass = 0;
209 static const char *pass_logfilename_prefix;
210 static int audio_stream_copy = 0;
211 static int video_stream_copy = 0;
212 static int subtitle_stream_copy = 0;
213 static int data_stream_copy = 0;
214 static int video_sync_method= -1;
215 static int audio_sync_method= 0;
216 static float audio_drift_threshold= 0.1;
217 static int copy_ts= 0;
218 static int copy_tb= 0;
219 static int opt_shortest = 0;
220 static char *vstats_filename;
221 static FILE *vstats_file;
222 static int opt_programid = 0;
223 static int copy_initial_nonkeyframes = 0;
225 static int rate_emu = 0;
227 static int video_channel = 0;
228 static char *video_standard;
230 static int audio_volume = 256;
232 static int exit_on_error = 0;
233 static int using_stdin = 0;
234 static int verbose = 1;
235 static int run_as_daemon = 0;
236 static int thread_count= 1;
237 static int q_pressed = 0;
238 static int64_t video_size = 0;
239 static int64_t audio_size = 0;
240 static int64_t extra_size = 0;
241 static int nb_frames_dup = 0;
242 static int nb_frames_drop = 0;
243 static int input_sync;
244 static uint64_t limit_filesize = 0;
245 static int force_fps = 0;
246 static char *forced_key_frames = NULL;
248 static float dts_delta_threshold = 10;
250 static int64_t timer_start;
252 static uint8_t *audio_buf;
253 static uint8_t *audio_out;
254 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
256 static short *samples;
258 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
259 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
260 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
262 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
264 struct AVInputStream;
266 typedef struct AVOutputStream {
267 int file_index; /* file index */
268 int index; /* stream index in the output file */
269 int source_index; /* AVInputStream index */
270 AVStream *st; /* stream in the output file */
271 int encoding_needed; /* true if encoding needed for this stream */
273 /* input pts and corresponding output pts
275 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
276 struct AVInputStream *sync_ist; /* input stream to sync against */
277 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
278 AVBitStreamFilterContext *bitstream_filters;
281 AVFrame resample_frame; /* temporary frame for image resampling */
282 struct SwsContext *img_resample_ctx; /* for image resampling */
285 int resample_pix_fmt;
287 float frame_aspect_ratio;
289 /* forced key frames */
290 int64_t *forced_kf_pts;
296 ReSampleContext *resample; /* for audio resampling */
297 int resample_sample_fmt;
298 int resample_channels;
299 int resample_sample_rate;
301 AVAudioConvert *reformat_ctx;
302 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
306 AVFilterContext *output_video_filter;
307 AVFilterContext *input_video_filter;
308 AVFilterBufferRef *picref;
310 AVFilterGraph *graph;
316 static AVOutputStream **output_streams_for_file[MAX_FILES] = { NULL };
317 static int nb_output_streams_for_file[MAX_FILES] = { 0 };
319 typedef struct AVInputStream {
322 int discard; /* true if stream data should be discarded */
323 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
324 int64_t sample_index; /* current sample */
326 int64_t start; /* time when read started */
327 int64_t next_pts; /* synthetic pts for cases where pkt.pts
329 int64_t pts; /* current pts */
330 int is_start; /* is 1 at the start and after a discontinuity */
331 int showed_multi_packet_warning;
332 int is_past_recording_time;
334 AVFrame *filter_frame;
335 int has_filter_frame;
339 typedef struct AVInputFile {
340 AVFormatContext *ctx;
341 int eof_reached; /* true if eof reached */
342 int ist_index; /* index of first stream in ist_table */
343 int buffer_size; /* current total buffer size */
348 /* init terminal so that we can grab keys */
349 static struct termios oldtty;
352 static AVInputStream *input_streams = NULL;
353 static int nb_input_streams = 0;
354 static AVInputFile *input_files = NULL;
355 static int nb_input_files = 0;
359 static int configure_video_filters(AVInputStream *ist, AVOutputStream *ost)
361 AVFilterContext *last_filter, *filter;
362 /** filter graph containing all filters including input & output */
363 AVCodecContext *codec = ost->st->codec;
364 AVCodecContext *icodec = ist->st->codec;
365 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
366 AVRational sample_aspect_ratio;
370 ost->graph = avfilter_graph_alloc();
372 if (ist->st->sample_aspect_ratio.num){
373 sample_aspect_ratio = ist->st->sample_aspect_ratio;
375 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
377 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
378 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
379 sample_aspect_ratio.num, sample_aspect_ratio.den);
381 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
382 "src", args, NULL, ost->graph);
385 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
386 "out", NULL, &ffsink_ctx, ost->graph);
389 last_filter = ost->input_video_filter;
391 if (codec->width != icodec->width || codec->height != icodec->height) {
392 snprintf(args, 255, "%d:%d:flags=0x%X",
396 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
397 NULL, args, NULL, ost->graph)) < 0)
399 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
401 last_filter = filter;
404 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
405 ost->graph->scale_sws_opts = av_strdup(args);
408 AVFilterInOut *outputs = avfilter_inout_alloc();
409 AVFilterInOut *inputs = avfilter_inout_alloc();
411 outputs->name = av_strdup("in");
412 outputs->filter_ctx = last_filter;
413 outputs->pad_idx = 0;
414 outputs->next = NULL;
416 inputs->name = av_strdup("out");
417 inputs->filter_ctx = ost->output_video_filter;
421 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
423 av_freep(&ost->avfilter);
425 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
429 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
432 codec->width = ost->output_video_filter->inputs[0]->w;
433 codec->height = ost->output_video_filter->inputs[0]->h;
434 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
435 ost->frame_aspect_ratio ? // overriden by the -aspect cli option
436 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
437 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
441 #endif /* CONFIG_AVFILTER */
443 static void term_exit(void)
445 av_log(NULL, AV_LOG_QUIET, "");
448 tcsetattr (0, TCSANOW, &oldtty);
452 static volatile int received_sigterm = 0;
455 sigterm_handler(int sig)
457 received_sigterm = sig;
462 static void term_init(void)
472 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
473 |INLCR|IGNCR|ICRNL|IXON);
474 tty.c_oflag |= OPOST;
475 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
476 tty.c_cflag &= ~(CSIZE|PARENB);
481 tcsetattr (0, TCSANOW, &tty);
482 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
486 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
487 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
489 signal(SIGXCPU, sigterm_handler);
493 /* read a key without blocking */
494 static int read_key(void)
509 n = select(1, &rfds, NULL, NULL, &tv);
524 static int decode_interrupt_cb(void)
526 q_pressed += read_key() == 'q';
527 return q_pressed > 1;
530 static int ffmpeg_exit(int ret)
535 for(i=0;i<nb_output_files;i++) {
536 AVFormatContext *s = output_files[i];
537 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
539 avformat_free_context(s);
540 av_free(output_streams_for_file[i]);
542 for(i=0;i<nb_input_files;i++) {
543 av_close_input_file(input_files[i].ctx);
544 av_free(input_files_ts_scale[i]);
547 av_free(intra_matrix);
548 av_free(inter_matrix);
552 av_free(vstats_filename);
554 av_free(streamid_map);
555 av_free(input_codecs);
556 av_free(output_codecs);
557 av_free(stream_maps);
558 av_free(meta_data_maps);
560 av_freep(&input_streams);
561 av_freep(&input_files);
563 av_free(video_codec_name);
564 av_free(audio_codec_name);
565 av_free(subtitle_codec_name);
566 av_free(data_codec_name);
568 av_free(video_standard);
573 allocated_audio_buf_size= allocated_audio_out_size= 0;
580 if (received_sigterm) {
582 "Received signal %d: terminating.\n",
583 (int) received_sigterm);
587 exit(ret); /* not all OS-es handle main() return value */
591 /* similar to ff_dynarray_add() and av_fast_realloc() */
592 static void *grow_array(void *array, int elem_size, int *size, int new_size)
594 if (new_size >= INT_MAX / elem_size) {
595 fprintf(stderr, "Array too big.\n");
598 if (*size < new_size) {
599 uint8_t *tmp = av_realloc(array, new_size*elem_size);
601 fprintf(stderr, "Could not alloc buffer.\n");
604 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
611 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
613 if(codec && codec->sample_fmts){
614 const enum AVSampleFormat *p= codec->sample_fmts;
616 if(*p == st->codec->sample_fmt)
620 av_log(NULL, AV_LOG_WARNING,
621 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
622 av_get_sample_fmt_name(st->codec->sample_fmt),
624 av_get_sample_fmt_name(codec->sample_fmts[0]));
625 st->codec->sample_fmt = codec->sample_fmts[0];
630 static void choose_sample_rate(AVStream *st, AVCodec *codec)
632 if(codec && codec->supported_samplerates){
633 const int *p= codec->supported_samplerates;
635 int best_dist=INT_MAX;
637 int dist= abs(st->codec->sample_rate - *p);
638 if(dist < best_dist){
644 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
646 st->codec->sample_rate= best;
650 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
652 if(codec && codec->pix_fmts){
653 const enum PixelFormat *p= codec->pix_fmts;
654 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
655 if(st->codec->codec_id==CODEC_ID_MJPEG){
656 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
657 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
658 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};
662 if(*p == st->codec->pix_fmt)
666 if(st->codec->pix_fmt != PIX_FMT_NONE)
667 av_log(NULL, AV_LOG_WARNING,
668 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
669 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
671 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
672 st->codec->pix_fmt = codec->pix_fmts[0];
677 static AVOutputStream *new_output_stream(AVFormatContext *oc, int file_idx)
679 int idx = oc->nb_streams - 1;
682 output_streams_for_file[file_idx] =
683 grow_array(output_streams_for_file[file_idx],
684 sizeof(*output_streams_for_file[file_idx]),
685 &nb_output_streams_for_file[file_idx],
687 ost = output_streams_for_file[file_idx][idx] =
688 av_mallocz(sizeof(AVOutputStream));
690 fprintf(stderr, "Could not alloc output stream\n");
693 ost->file_index = file_idx;
696 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
700 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
706 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
709 /* copy stream format */
711 s->streams = av_mallocz(sizeof(AVStream *) * ic->nb_streams);
712 for(i=0;i<ic->nb_streams;i++) {
718 // FIXME: a more elegant solution is needed
719 st = av_mallocz(sizeof(AVStream));
720 memcpy(st, ic->streams[i], sizeof(AVStream));
721 st->info = av_malloc(sizeof(*st->info));
722 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
723 st->codec = avcodec_alloc_context();
725 print_error(filename, AVERROR(ENOMEM));
728 avcodec_copy_context(st->codec, ic->streams[i]->codec);
731 codec = avcodec_find_encoder(st->codec->codec_id);
732 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
733 if (audio_stream_copy) {
736 choose_sample_fmt(st, codec);
737 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
738 if (video_stream_copy) {
741 choose_pixel_fmt(st, codec);
744 if(st->codec->flags & CODEC_FLAG_BITEXACT)
747 new_output_stream(s, nb_output_files);
751 s->timestamp = av_gettime();
753 av_close_input_file(ic);
758 get_sync_ipts(const AVOutputStream *ost)
760 const AVInputStream *ist = ost->sync_ist;
761 return (double)(ist->pts - start_time)/AV_TIME_BASE;
764 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
768 AVPacket new_pkt= *pkt;
769 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
770 &new_pkt.data, &new_pkt.size,
771 pkt->data, pkt->size,
772 pkt->flags & AV_PKT_FLAG_KEY);
775 new_pkt.destruct= av_destruct_packet;
777 fprintf(stderr, "%s failed for stream %d, codec %s",
778 bsfc->filter->name, pkt->stream_index,
779 avctx->codec ? avctx->codec->name : "copy");
789 ret= av_interleaved_write_frame(s, pkt);
791 print_error("av_interleaved_write_frame()", ret);
796 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
798 static void do_audio_out(AVFormatContext *s,
801 unsigned char *buf, int size)
804 int64_t audio_out_size, audio_buf_size;
805 int64_t allocated_for_size= size;
807 int size_out, frame_bytes, ret, resample_changed;
808 AVCodecContext *enc= ost->st->codec;
809 AVCodecContext *dec= ist->st->codec;
810 int osize= av_get_bits_per_sample_fmt(enc->sample_fmt)/8;
811 int isize= av_get_bits_per_sample_fmt(dec->sample_fmt)/8;
812 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
815 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
816 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
817 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
818 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
819 audio_buf_size*= osize*enc->channels;
821 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
822 if(coded_bps > 8*osize)
823 audio_out_size= audio_out_size * coded_bps / (8*osize);
824 audio_out_size += FF_MIN_BUFFER_SIZE;
826 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
827 fprintf(stderr, "Buffer sizes too large\n");
831 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
832 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
833 if (!audio_buf || !audio_out){
834 fprintf(stderr, "Out of memory in do_audio_out\n");
838 if (enc->channels != dec->channels)
839 ost->audio_resample = 1;
841 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
842 ost->resample_channels != dec->channels ||
843 ost->resample_sample_rate != dec->sample_rate;
845 if ((ost->audio_resample && !ost->resample) || resample_changed) {
846 if (resample_changed) {
847 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",
848 ist->file_index, ist->st->index,
849 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
850 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
851 ost->resample_sample_fmt = dec->sample_fmt;
852 ost->resample_channels = dec->channels;
853 ost->resample_sample_rate = dec->sample_rate;
855 audio_resample_close(ost->resample);
857 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
858 if (audio_sync_method <= 1 &&
859 ost->resample_sample_fmt == enc->sample_fmt &&
860 ost->resample_channels == enc->channels &&
861 ost->resample_sample_rate == enc->sample_rate) {
862 ost->resample = NULL;
863 ost->audio_resample = 0;
865 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
866 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
867 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
868 enc->sample_rate, dec->sample_rate,
869 enc->sample_fmt, dec->sample_fmt,
871 if (!ost->resample) {
872 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
873 dec->channels, dec->sample_rate,
874 enc->channels, enc->sample_rate);
880 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
881 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
882 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
883 if (ost->reformat_ctx)
884 av_audio_convert_free(ost->reformat_ctx);
885 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
886 dec->sample_fmt, 1, NULL, 0);
887 if (!ost->reformat_ctx) {
888 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
889 av_get_sample_fmt_name(dec->sample_fmt),
890 av_get_sample_fmt_name(enc->sample_fmt));
893 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
896 if(audio_sync_method){
897 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
898 - av_fifo_size(ost->fifo)/(enc->channels * 2);
899 double idelta= delta*dec->sample_rate / enc->sample_rate;
900 int byte_delta= ((int)idelta)*2*dec->channels;
902 //FIXME resample delay
903 if(fabs(delta) > 50){
904 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
906 byte_delta= FFMAX(byte_delta, -size);
910 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
915 static uint8_t *input_tmp= NULL;
916 input_tmp= av_realloc(input_tmp, byte_delta + size);
918 if(byte_delta > allocated_for_size - size){
919 allocated_for_size= byte_delta + (int64_t)size;
924 memset(input_tmp, 0, byte_delta);
925 memcpy(input_tmp + byte_delta, buf, size);
929 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
931 }else if(audio_sync_method>1){
932 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
933 av_assert0(ost->audio_resample);
935 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
936 // 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));
937 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
941 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
942 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
944 if (ost->audio_resample) {
946 size_out = audio_resample(ost->resample,
947 (short *)buftmp, (short *)buf,
948 size / (dec->channels * isize));
949 size_out = size_out * enc->channels * osize;
955 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
956 const void *ibuf[6]= {buftmp};
957 void *obuf[6]= {audio_buf};
958 int istride[6]= {isize};
959 int ostride[6]= {osize};
960 int len= size_out/istride[0];
961 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
962 printf("av_audio_convert() failed\n");
968 size_out = len*osize;
971 /* now encode as many frames as possible */
972 if (enc->frame_size > 1) {
973 /* output resampled raw samples */
974 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
975 fprintf(stderr, "av_fifo_realloc2() failed\n");
978 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
980 frame_bytes = enc->frame_size * osize * enc->channels;
982 while (av_fifo_size(ost->fifo) >= frame_bytes) {
984 av_init_packet(&pkt);
986 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
988 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
990 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
993 fprintf(stderr, "Audio encoding failed\n");
997 pkt.stream_index= ost->index;
1000 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1001 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1002 pkt.flags |= AV_PKT_FLAG_KEY;
1003 write_frame(s, &pkt, enc, ost->bitstream_filters);
1005 ost->sync_opts += enc->frame_size;
1009 av_init_packet(&pkt);
1011 ost->sync_opts += size_out / (osize * enc->channels);
1013 /* output a pcm frame */
1014 /* determine the size of the coded buffer */
1017 size_out = size_out*coded_bps/8;
1019 if(size_out > audio_out_size){
1020 fprintf(stderr, "Internal error, buffer size too small\n");
1024 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1025 ret = avcodec_encode_audio(enc, audio_out, size_out,
1028 fprintf(stderr, "Audio encoding failed\n");
1032 pkt.stream_index= ost->index;
1033 pkt.data= audio_out;
1035 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1036 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1037 pkt.flags |= AV_PKT_FLAG_KEY;
1038 write_frame(s, &pkt, enc, ost->bitstream_filters);
1042 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
1044 AVCodecContext *dec;
1045 AVPicture *picture2;
1046 AVPicture picture_tmp;
1049 dec = ist->st->codec;
1051 /* deinterlace : must be done before any resize */
1052 if (do_deinterlace) {
1055 /* create temporary picture */
1056 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1057 buf = av_malloc(size);
1061 picture2 = &picture_tmp;
1062 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1064 if(avpicture_deinterlace(picture2, picture,
1065 dec->pix_fmt, dec->width, dec->height) < 0) {
1066 /* if error, do not deinterlace */
1067 fprintf(stderr, "Deinterlacing failed\n");
1076 if (picture != picture2)
1077 *picture = *picture2;
1081 /* we begin to correct av delay at this threshold */
1082 #define AV_DELAY_MAX 0.100
1084 static void do_subtitle_out(AVFormatContext *s,
1085 AVOutputStream *ost,
1090 static uint8_t *subtitle_out = NULL;
1091 int subtitle_out_max_size = 1024 * 1024;
1092 int subtitle_out_size, nb, i;
1093 AVCodecContext *enc;
1096 if (pts == AV_NOPTS_VALUE) {
1097 fprintf(stderr, "Subtitle packets must have a pts\n");
1103 enc = ost->st->codec;
1105 if (!subtitle_out) {
1106 subtitle_out = av_malloc(subtitle_out_max_size);
1109 /* Note: DVB subtitle need one packet to draw them and one other
1110 packet to clear them */
1111 /* XXX: signal it in the codec context ? */
1112 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1117 for(i = 0; i < nb; i++) {
1118 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1119 // start_display_time is required to be 0
1120 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1121 sub->end_display_time -= sub->start_display_time;
1122 sub->start_display_time = 0;
1123 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1124 subtitle_out_max_size, sub);
1125 if (subtitle_out_size < 0) {
1126 fprintf(stderr, "Subtitle encoding failed\n");
1130 av_init_packet(&pkt);
1131 pkt.stream_index = ost->index;
1132 pkt.data = subtitle_out;
1133 pkt.size = subtitle_out_size;
1134 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1135 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1136 /* XXX: the pts correction is handled here. Maybe handling
1137 it in the codec would be better */
1139 pkt.pts += 90 * sub->start_display_time;
1141 pkt.pts += 90 * sub->end_display_time;
1143 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1147 static int bit_buffer_size= 1024*256;
1148 static uint8_t *bit_buffer= NULL;
1150 static void do_video_out(AVFormatContext *s,
1151 AVOutputStream *ost,
1153 AVFrame *in_picture,
1156 int nb_frames, i, ret, av_unused resample_changed;
1157 AVFrame *final_picture, *formatted_picture;
1158 AVCodecContext *enc, *dec;
1161 enc = ost->st->codec;
1162 dec = ist->st->codec;
1164 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1166 /* by default, we output a single frame */
1171 if(video_sync_method){
1172 double vdelta = sync_ipts - ost->sync_opts;
1173 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1176 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1179 }else if(vdelta>0.6)
1180 ost->sync_opts= lrintf(sync_ipts);
1181 }else if (vdelta > 1.1)
1182 nb_frames = lrintf(vdelta);
1183 //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);
1184 if (nb_frames == 0){
1187 fprintf(stderr, "*** drop!\n");
1188 }else if (nb_frames > 1) {
1189 nb_frames_dup += nb_frames - 1;
1191 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1194 ost->sync_opts= lrintf(sync_ipts);
1196 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1200 formatted_picture = in_picture;
1201 final_picture = formatted_picture;
1203 #if !CONFIG_AVFILTER
1204 resample_changed = ost->resample_width != dec->width ||
1205 ost->resample_height != dec->height ||
1206 ost->resample_pix_fmt != dec->pix_fmt;
1208 if (resample_changed) {
1209 av_log(NULL, AV_LOG_INFO,
1210 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1211 ist->file_index, ist->st->index,
1212 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1213 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1214 ost->resample_width = dec->width;
1215 ost->resample_height = dec->height;
1216 ost->resample_pix_fmt = dec->pix_fmt;
1219 ost->video_resample = dec->width != enc->width ||
1220 dec->height != enc->height ||
1221 dec->pix_fmt != enc->pix_fmt;
1223 if (ost->video_resample) {
1224 final_picture = &ost->resample_frame;
1225 if (!ost->img_resample_ctx || resample_changed) {
1226 /* initialize the destination picture */
1227 if (!ost->resample_frame.data[0]) {
1228 avcodec_get_frame_defaults(&ost->resample_frame);
1229 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1230 enc->width, enc->height)) {
1231 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1235 /* initialize a new scaler context */
1236 sws_freeContext(ost->img_resample_ctx);
1237 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1238 enc->width, enc->height, enc->pix_fmt,
1239 ost->sws_flags, NULL, NULL, NULL);
1240 if (ost->img_resample_ctx == NULL) {
1241 fprintf(stderr, "Cannot get resampling context\n");
1245 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1246 0, ost->resample_height, final_picture->data, final_picture->linesize);
1250 /* duplicates frame if needed */
1251 for(i=0;i<nb_frames;i++) {
1253 av_init_packet(&pkt);
1254 pkt.stream_index= ost->index;
1256 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1257 /* raw pictures are written as AVPicture structure to
1258 avoid any copies. We support temorarily the older
1260 AVFrame* old_frame = enc->coded_frame;
1261 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1262 pkt.data= (uint8_t *)final_picture;
1263 pkt.size= sizeof(AVPicture);
1264 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1265 pkt.flags |= AV_PKT_FLAG_KEY;
1267 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1268 enc->coded_frame = old_frame;
1270 AVFrame big_picture;
1272 big_picture= *final_picture;
1273 /* better than nothing: use input picture interlaced
1275 big_picture.interlaced_frame = in_picture->interlaced_frame;
1276 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1277 if(top_field_first == -1)
1278 big_picture.top_field_first = in_picture->top_field_first;
1280 big_picture.top_field_first = top_field_first;
1283 /* handles sameq here. This is not correct because it may
1284 not be a global option */
1285 big_picture.quality = same_quality ? ist->st->quality : ost->st->quality;
1287 big_picture.pict_type = 0;
1288 // big_picture.pts = AV_NOPTS_VALUE;
1289 big_picture.pts= ost->sync_opts;
1290 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1291 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1292 if (ost->forced_kf_index < ost->forced_kf_count &&
1293 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1294 big_picture.pict_type = AV_PICTURE_TYPE_I;
1295 ost->forced_kf_index++;
1297 ret = avcodec_encode_video(enc,
1298 bit_buffer, bit_buffer_size,
1301 fprintf(stderr, "Video encoding failed\n");
1306 pkt.data= bit_buffer;
1308 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1309 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1310 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1311 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1312 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1314 if(enc->coded_frame->key_frame)
1315 pkt.flags |= AV_PKT_FLAG_KEY;
1316 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1319 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1320 // enc->frame_number-1, ret, enc->pict_type);
1321 /* if two pass, output log */
1322 if (ost->logfile && enc->stats_out) {
1323 fprintf(ost->logfile, "%s", enc->stats_out);
1328 ost->frame_number++;
1332 static double psnr(double d){
1333 return -10.0*log(d)/log(10.0);
1336 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1339 AVCodecContext *enc;
1341 double ti1, bitrate, avg_bitrate;
1343 /* this is executed just the first time do_video_stats is called */
1345 vstats_file = fopen(vstats_filename, "w");
1352 enc = ost->st->codec;
1353 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1354 frame_number = ost->frame_number;
1355 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1356 if (enc->flags&CODEC_FLAG_PSNR)
1357 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1359 fprintf(vstats_file,"f_size= %6d ", frame_size);
1360 /* compute pts value */
1361 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1365 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1366 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1367 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1368 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1369 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1373 static void print_report(AVFormatContext **output_files,
1374 AVOutputStream **ost_table, int nb_ostreams,
1378 AVOutputStream *ost;
1379 AVFormatContext *oc;
1381 AVCodecContext *enc;
1382 int frame_number, vid, i;
1384 int64_t pts = INT64_MAX;
1385 static int64_t last_time = -1;
1386 static int qp_histogram[52];
1388 if (!is_last_report) {
1390 /* display the report every 0.5 seconds */
1391 cur_time = av_gettime();
1392 if (last_time == -1) {
1393 last_time = cur_time;
1396 if ((cur_time - last_time) < 500000)
1398 last_time = cur_time;
1402 oc = output_files[0];
1404 total_size = avio_size(oc->pb);
1405 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1406 total_size= avio_tell(oc->pb);
1410 for(i=0;i<nb_ostreams;i++) {
1413 enc = ost->st->codec;
1414 if (!ost->st->stream_copy && enc->coded_frame)
1415 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1416 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1417 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1419 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1420 float t = (av_gettime()-timer_start) / 1000000.0;
1422 frame_number = ost->frame_number;
1423 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1424 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1426 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1430 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1433 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1435 if (enc->flags&CODEC_FLAG_PSNR){
1437 double error, error_sum=0;
1438 double scale, scale_sum=0;
1439 char type[3]= {'Y','U','V'};
1440 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1443 error= enc->error[j];
1444 scale= enc->width*enc->height*255.0*255.0*frame_number;
1446 error= enc->coded_frame->error[j];
1447 scale= enc->width*enc->height*255.0*255.0;
1452 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1454 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1458 /* compute min output value */
1459 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1460 ost->st->time_base, AV_TIME_BASE_Q));
1463 if (verbose > 0 || is_last_report) {
1464 int hours, mins, secs, us;
1465 secs = pts / AV_TIME_BASE;
1466 us = pts % AV_TIME_BASE;
1472 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1474 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1475 "size=%8.0fkB time=", total_size / 1024.0);
1476 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1477 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1478 (100 * us) / AV_TIME_BASE);
1479 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1480 "bitrate=%6.1fkbits/s", bitrate);
1482 if (nb_frames_dup || nb_frames_drop)
1483 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1484 nb_frames_dup, nb_frames_drop);
1487 fprintf(stderr, "%s \r", buf);
1492 if (is_last_report && verbose >= 0){
1493 int64_t raw= audio_size + video_size + extra_size;
1494 fprintf(stderr, "\n");
1495 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1499 100.0*(total_size - raw)/raw
1504 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1506 int fill_char = 0x00;
1507 if (sample_fmt == AV_SAMPLE_FMT_U8)
1509 memset(buf, fill_char, size);
1512 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1513 static int output_packet(AVInputStream *ist, int ist_index,
1514 AVOutputStream **ost_table, int nb_ostreams,
1515 const AVPacket *pkt)
1517 AVFormatContext *os;
1518 AVOutputStream *ost;
1522 void *buffer_to_free = NULL;
1523 static unsigned int samples_size= 0;
1524 AVSubtitle subtitle, *subtitle_to_free;
1525 int64_t pkt_pts = AV_NOPTS_VALUE;
1527 int frame_available;
1531 int bps = av_get_bits_per_sample_fmt(ist->st->codec->sample_fmt)>>3;
1533 if(ist->next_pts == AV_NOPTS_VALUE)
1534 ist->next_pts= ist->pts;
1538 av_init_packet(&avpkt);
1546 if(pkt->dts != AV_NOPTS_VALUE)
1547 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1548 if(pkt->pts != AV_NOPTS_VALUE)
1549 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1551 //while we have more to decode or while the decoder did output something on EOF
1552 while (avpkt.size > 0 || (!pkt && got_output)) {
1553 uint8_t *data_buf, *decoded_data_buf;
1554 int data_size, decoded_data_size;
1556 ist->pts= ist->next_pts;
1558 if(avpkt.size && avpkt.size != pkt->size &&
1559 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1560 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1561 ist->showed_multi_packet_warning=1;
1564 /* decode the packet if needed */
1565 decoded_data_buf = NULL; /* fail safe */
1566 decoded_data_size= 0;
1567 data_buf = avpkt.data;
1568 data_size = avpkt.size;
1569 subtitle_to_free = NULL;
1570 if (ist->decoding_needed) {
1571 switch(ist->st->codec->codec_type) {
1572 case AVMEDIA_TYPE_AUDIO:{
1573 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1574 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1576 samples= av_malloc(samples_size);
1578 decoded_data_size= samples_size;
1579 /* XXX: could avoid copy if PCM 16 bits with same
1580 endianness as CPU */
1581 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1588 got_output = decoded_data_size > 0;
1589 /* Some bug in mpeg audio decoder gives */
1590 /* decoded_data_size < 0, it seems they are overflows */
1592 /* no audio frame */
1595 decoded_data_buf = (uint8_t *)samples;
1596 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1597 (ist->st->codec->sample_rate * ist->st->codec->channels);
1599 case AVMEDIA_TYPE_VIDEO:
1600 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1601 /* XXX: allocate picture correctly */
1602 avcodec_get_frame_defaults(&picture);
1603 avpkt.pts = pkt_pts;
1604 avpkt.dts = ist->pts;
1605 pkt_pts = AV_NOPTS_VALUE;
1607 ret = avcodec_decode_video2(ist->st->codec,
1608 &picture, &got_output, &avpkt);
1609 ist->st->quality= picture.quality;
1613 /* no picture yet */
1614 goto discard_packet;
1616 ist->next_pts = ist->pts = picture.best_effort_timestamp;
1617 if (ist->st->codec->time_base.num != 0) {
1618 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1619 ist->next_pts += ((int64_t)AV_TIME_BASE *
1620 ist->st->codec->time_base.num * ticks) /
1621 ist->st->codec->time_base.den;
1624 buffer_to_free = NULL;
1625 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1627 case AVMEDIA_TYPE_SUBTITLE:
1628 ret = avcodec_decode_subtitle2(ist->st->codec,
1629 &subtitle, &got_output, &avpkt);
1633 goto discard_packet;
1635 subtitle_to_free = &subtitle;
1642 switch(ist->st->codec->codec_type) {
1643 case AVMEDIA_TYPE_AUDIO:
1644 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1645 ist->st->codec->sample_rate;
1647 case AVMEDIA_TYPE_VIDEO:
1648 if (ist->st->codec->time_base.num != 0) {
1649 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1650 ist->next_pts += ((int64_t)AV_TIME_BASE *
1651 ist->st->codec->time_base.num * ticks) /
1652 ist->st->codec->time_base.den;
1661 if(ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1662 if (start_time == 0 || ist->pts >= start_time) {
1663 for(i=0;i<nb_ostreams;i++) {
1665 if (ost->input_video_filter && ost->source_index == ist_index) {
1666 if (!picture.sample_aspect_ratio.num)
1667 picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
1668 picture.pts = ist->pts;
1670 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, AV_VSRC_BUF_FLAG_OVERWRITE);
1676 // preprocess audio (volume)
1677 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1678 if (audio_volume != 256) {
1681 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1682 int v = ((*volp) * audio_volume + 128) >> 8;
1683 if (v < -32768) v = -32768;
1684 if (v > 32767) v = 32767;
1690 /* frame rate emulation */
1692 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1693 int64_t now = av_gettime() - ist->start;
1697 /* if output time reached then transcode raw format,
1698 encode packets and output them */
1699 if (start_time == 0 || ist->pts >= start_time)
1700 for(i=0;i<nb_ostreams;i++) {
1704 if (ost->source_index == ist_index) {
1706 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1707 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1708 while (frame_available) {
1709 AVRational ist_pts_tb;
1710 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1711 if (get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb) < 0)
1714 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1716 os = output_files[ost->file_index];
1718 /* set the input output pts pairs */
1719 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1721 if (ost->encoding_needed) {
1722 av_assert0(ist->decoding_needed);
1723 switch(ost->st->codec->codec_type) {
1724 case AVMEDIA_TYPE_AUDIO:
1725 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1727 case AVMEDIA_TYPE_VIDEO:
1729 if (ost->picref->video && !ost->frame_aspect_ratio)
1730 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1732 do_video_out(os, ost, ist, &picture, &frame_size);
1733 if (vstats_filename && frame_size)
1734 do_video_stats(os, ost, frame_size);
1736 case AVMEDIA_TYPE_SUBTITLE:
1737 do_subtitle_out(os, ost, ist, &subtitle,
1744 AVFrame avframe; //FIXME/XXX remove this
1747 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1749 av_init_packet(&opkt);
1751 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1752 #if !CONFIG_AVFILTER
1758 /* no reencoding needed : output the packet directly */
1759 /* force the input stream PTS */
1761 avcodec_get_frame_defaults(&avframe);
1762 ost->st->codec->coded_frame= &avframe;
1763 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1765 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1766 audio_size += data_size;
1767 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1768 video_size += data_size;
1772 opkt.stream_index= ost->index;
1773 if(pkt->pts != AV_NOPTS_VALUE)
1774 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1776 opkt.pts= AV_NOPTS_VALUE;
1778 if (pkt->dts == AV_NOPTS_VALUE)
1779 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1781 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1782 opkt.dts -= ost_tb_start_time;
1784 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1785 opkt.flags= pkt->flags;
1787 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1788 if( ost->st->codec->codec_id != CODEC_ID_H264
1789 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1790 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1792 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1793 opkt.destruct= av_destruct_packet;
1795 opkt.data = data_buf;
1796 opkt.size = data_size;
1799 if (os->oformat->flags & AVFMT_RAWPICTURE) {
1800 /* store AVPicture in AVPacket, as expected by the output format */
1801 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1802 opkt.data = (uint8_t *)&pict;
1803 opkt.size = sizeof(AVPicture);
1804 opkt.flags |= AV_PKT_FLAG_KEY;
1806 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1807 ost->st->codec->frame_number++;
1808 ost->frame_number++;
1809 av_free_packet(&opkt);
1813 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1814 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1815 avfilter_unref_buffer(ost->picref);
1821 av_free(buffer_to_free);
1822 /* XXX: allocate the subtitles in the codec ? */
1823 if (subtitle_to_free) {
1824 avsubtitle_free(subtitle_to_free);
1825 subtitle_to_free = NULL;
1832 for(i=0;i<nb_ostreams;i++) {
1834 if (ost->source_index == ist_index) {
1835 AVCodecContext *enc= ost->st->codec;
1836 os = output_files[ost->file_index];
1838 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1840 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1843 if (ost->encoding_needed) {
1847 av_init_packet(&pkt);
1848 pkt.stream_index= ost->index;
1850 switch(ost->st->codec->codec_type) {
1851 case AVMEDIA_TYPE_AUDIO:
1852 fifo_bytes = av_fifo_size(ost->fifo);
1854 /* encode any samples remaining in fifo */
1855 if (fifo_bytes > 0) {
1856 int osize = av_get_bits_per_sample_fmt(enc->sample_fmt) >> 3;
1857 int fs_tmp = enc->frame_size;
1859 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1860 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1861 enc->frame_size = fifo_bytes / (osize * enc->channels);
1863 int frame_bytes = enc->frame_size*osize*enc->channels;
1864 if (allocated_audio_buf_size < frame_bytes)
1866 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1869 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1870 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1871 ost->st->time_base.num, enc->sample_rate);
1872 enc->frame_size = fs_tmp;
1875 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1878 fprintf(stderr, "Audio encoding failed\n");
1882 pkt.flags |= AV_PKT_FLAG_KEY;
1884 case AVMEDIA_TYPE_VIDEO:
1885 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1887 fprintf(stderr, "Video encoding failed\n");
1891 if(enc->coded_frame && enc->coded_frame->key_frame)
1892 pkt.flags |= AV_PKT_FLAG_KEY;
1893 if (ost->logfile && enc->stats_out) {
1894 fprintf(ost->logfile, "%s", enc->stats_out);
1903 pkt.data= bit_buffer;
1905 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1906 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1907 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1919 static void print_sdp(AVFormatContext **avc, int n)
1923 av_sdp_create(avc, n, sdp, sizeof(sdp));
1924 printf("SDP:\n%s\n", sdp);
1928 static int copy_chapters(int infile, int outfile)
1930 AVFormatContext *is = input_files[infile].ctx;
1931 AVFormatContext *os = output_files[outfile];
1934 for (i = 0; i < is->nb_chapters; i++) {
1935 AVChapter *in_ch = is->chapters[i], *out_ch;
1936 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
1937 AV_TIME_BASE_Q, in_ch->time_base);
1938 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1939 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1942 if (in_ch->end < ts_off)
1944 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1947 out_ch = av_mallocz(sizeof(AVChapter));
1949 return AVERROR(ENOMEM);
1951 out_ch->id = in_ch->id;
1952 out_ch->time_base = in_ch->time_base;
1953 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1954 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1956 if (metadata_chapters_autocopy)
1957 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
1960 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1962 return AVERROR(ENOMEM);
1963 os->chapters[os->nb_chapters - 1] = out_ch;
1968 static void parse_forced_key_frames(char *kf, AVOutputStream *ost,
1969 AVCodecContext *avctx)
1975 for (p = kf; *p; p++)
1978 ost->forced_kf_count = n;
1979 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1980 if (!ost->forced_kf_pts) {
1981 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1984 for (i = 0; i < n; i++) {
1985 p = i ? strchr(p, ',') + 1 : kf;
1986 t = parse_time_or_die("force_key_frames", p, 1);
1987 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1992 * The following code is the main loop of the file converter
1994 static int transcode(AVFormatContext **output_files,
1995 int nb_output_files,
1996 AVInputFile *input_files,
1998 AVStreamMap *stream_maps, int nb_stream_maps)
2000 int ret = 0, i, j, k, n, nb_ostreams = 0, step;
2002 AVFormatContext *is, *os;
2003 AVCodecContext *codec, *icodec;
2004 AVOutputStream *ost, **ost_table = NULL;
2009 uint8_t no_packet[MAX_FILES]={0};
2010 int no_packet_count=0;
2011 int nb_frame_threshold[AVMEDIA_TYPE_NB]={0};
2012 int nb_streams[AVMEDIA_TYPE_NB]={0};
2015 for (i = 0; i < nb_input_streams; i++)
2016 input_streams[i].start = av_gettime();
2018 /* output stream init */
2020 for(i=0;i<nb_output_files;i++) {
2021 os = output_files[i];
2022 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
2023 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2024 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
2025 ret = AVERROR(EINVAL);
2028 nb_ostreams += os->nb_streams;
2030 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
2031 fprintf(stderr, "Number of stream maps must match number of output streams\n");
2032 ret = AVERROR(EINVAL);
2036 /* Sanity check the mapping args -- do the input files & streams exist? */
2037 for(i=0;i<nb_stream_maps;i++) {
2038 int fi = stream_maps[i].file_index;
2039 int si = stream_maps[i].stream_index;
2041 if (fi < 0 || fi > nb_input_files - 1 ||
2042 si < 0 || si > input_files[fi].ctx->nb_streams - 1) {
2043 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
2044 ret = AVERROR(EINVAL);
2047 fi = stream_maps[i].sync_file_index;
2048 si = stream_maps[i].sync_stream_index;
2049 if (fi < 0 || fi > nb_input_files - 1 ||
2050 si < 0 || si > input_files[fi].ctx->nb_streams - 1) {
2051 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
2052 ret = AVERROR(EINVAL);
2057 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
2061 for(k=0;k<nb_output_files;k++) {
2062 os = output_files[k];
2063 for(i=0;i<os->nb_streams;i++,n++) {
2064 nb_streams[os->streams[i]->codec->codec_type]++;
2067 for(step=1<<30; step; step>>=1){
2068 int found_streams[AVMEDIA_TYPE_NB]={0};
2069 for(j=0; j<AVMEDIA_TYPE_NB; j++)
2070 nb_frame_threshold[j] += step;
2072 for(j=0; j<nb_input_streams; j++) {
2074 ist = &input_streams[j];
2077 AVFormatContext *f= input_files[ ist->file_index ].ctx;
2079 for(pi=0; pi<f->nb_programs; pi++){
2080 AVProgram *p= f->programs[pi];
2081 if(p->id == opt_programid)
2082 for(si=0; si<p->nb_stream_indexes; si++){
2083 if(f->streams[ p->stream_index[si] ] == ist->st)
2088 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip
2089 && nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames){
2090 found_streams[ist->st->codec->codec_type]++;
2093 for(j=0; j<AVMEDIA_TYPE_NB; j++)
2094 if(found_streams[j] < nb_streams[j])
2095 nb_frame_threshold[j] -= step;
2098 for(k=0;k<nb_output_files;k++) {
2099 os = output_files[k];
2100 for(i=0;i<os->nb_streams;i++,n++) {
2102 ost = ost_table[n] = output_streams_for_file[k][i];
2103 ost->st = os->streams[i];
2104 if (nb_stream_maps > 0) {
2105 ost->source_index = input_files[stream_maps[n].file_index].ist_index +
2106 stream_maps[n].stream_index;
2108 /* Sanity check that the stream types match */
2109 if (input_streams[ost->source_index].st->codec->codec_type != ost->st->codec->codec_type) {
2110 int i= ost->file_index;
2111 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2112 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2113 stream_maps[n].file_index, stream_maps[n].stream_index,
2114 ost->file_index, ost->index);
2119 /* get corresponding input stream index : we select the first one with the right type */
2121 for (j = 0; j < nb_input_streams; j++) {
2123 ist = &input_streams[j];
2126 AVFormatContext *f = input_files[ist->file_index].ctx;
2128 for(pi=0; pi<f->nb_programs; pi++){
2129 AVProgram *p= f->programs[pi];
2130 if(p->id == opt_programid)
2131 for(si=0; si<p->nb_stream_indexes; si++){
2132 if(f->streams[ p->stream_index[si] ] == ist->st)
2137 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2138 ist->st->codec->codec_type == ost->st->codec->codec_type &&
2139 nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames) {
2140 ost->source_index = j;
2147 if(! opt_programid) {
2148 /* try again and reuse existing stream */
2149 for (j = 0; j < nb_input_streams; j++) {
2150 ist = &input_streams[j];
2151 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2152 && ist->st->discard != AVDISCARD_ALL) {
2153 ost->source_index = j;
2159 int i= ost->file_index;
2160 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2161 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2162 ost->file_index, ost->index);
2167 ist = &input_streams[ost->source_index];
2169 ost->sync_ist = (nb_stream_maps > 0) ?
2170 &input_streams[input_files[stream_maps[n].sync_file_index].ist_index +
2171 stream_maps[n].sync_stream_index] : ist;
2175 /* for each output stream, we compute the right encoding parameters */
2176 for(i=0;i<nb_ostreams;i++) {
2178 os = output_files[ost->file_index];
2179 ist = &input_streams[ost->source_index];
2181 codec = ost->st->codec;
2182 icodec = ist->st->codec;
2184 if (metadata_streams_autocopy)
2185 av_dict_copy(&ost->st->metadata, ist->st->metadata,
2186 AV_DICT_DONT_OVERWRITE);
2188 ost->st->disposition = ist->st->disposition;
2189 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2190 codec->chroma_sample_location = icodec->chroma_sample_location;
2192 if (ost->st->stream_copy) {
2193 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2195 if (extra_size > INT_MAX)
2198 /* if stream_copy is selected, no need to decode or encode */
2199 codec->codec_id = icodec->codec_id;
2200 codec->codec_type = icodec->codec_type;
2202 if(!codec->codec_tag){
2203 if( !os->oformat->codec_tag
2204 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2205 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2206 codec->codec_tag = icodec->codec_tag;
2209 codec->bit_rate = icodec->bit_rate;
2210 codec->rc_max_rate = icodec->rc_max_rate;
2211 codec->rc_buffer_size = icodec->rc_buffer_size;
2212 codec->extradata= av_mallocz(extra_size);
2213 if (!codec->extradata)
2215 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2216 codec->extradata_size= icodec->extradata_size;
2217 if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
2218 codec->time_base = icodec->time_base;
2219 codec->time_base.num *= icodec->ticks_per_frame;
2220 av_reduce(&codec->time_base.num, &codec->time_base.den,
2221 codec->time_base.num, codec->time_base.den, INT_MAX);
2223 codec->time_base = ist->st->time_base;
2224 switch(codec->codec_type) {
2225 case AVMEDIA_TYPE_AUDIO:
2226 if(audio_volume != 256) {
2227 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2230 codec->channel_layout = icodec->channel_layout;
2231 codec->sample_rate = icodec->sample_rate;
2232 codec->channels = icodec->channels;
2233 codec->frame_size = icodec->frame_size;
2234 codec->audio_service_type = icodec->audio_service_type;
2235 codec->block_align= icodec->block_align;
2236 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2237 codec->block_align= 0;
2238 if(codec->codec_id == CODEC_ID_AC3)
2239 codec->block_align= 0;
2241 case AVMEDIA_TYPE_VIDEO:
2242 codec->pix_fmt = icodec->pix_fmt;
2243 codec->width = icodec->width;
2244 codec->height = icodec->height;
2245 codec->has_b_frames = icodec->has_b_frames;
2246 if (!codec->sample_aspect_ratio.num) {
2247 codec->sample_aspect_ratio =
2248 ost->st->sample_aspect_ratio =
2249 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2250 ist->st->codec->sample_aspect_ratio.num ?
2251 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2254 case AVMEDIA_TYPE_SUBTITLE:
2255 codec->width = icodec->width;
2256 codec->height = icodec->height;
2258 case AVMEDIA_TYPE_DATA:
2264 switch(codec->codec_type) {
2265 case AVMEDIA_TYPE_AUDIO:
2266 ost->fifo= av_fifo_alloc(1024);
2269 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2270 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2271 icodec->request_channels = codec->channels;
2272 ist->decoding_needed = 1;
2273 ost->encoding_needed = 1;
2274 ost->resample_sample_fmt = icodec->sample_fmt;
2275 ost->resample_sample_rate = icodec->sample_rate;
2276 ost->resample_channels = icodec->channels;
2278 case AVMEDIA_TYPE_VIDEO:
2279 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2280 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2283 ost->video_resample = codec->width != icodec->width ||
2284 codec->height != icodec->height ||
2285 codec->pix_fmt != icodec->pix_fmt;
2286 if (ost->video_resample) {
2287 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2289 ost->resample_height = icodec->height;
2290 ost->resample_width = icodec->width;
2291 ost->resample_pix_fmt= icodec->pix_fmt;
2292 ost->encoding_needed = 1;
2293 ist->decoding_needed = 1;
2296 if (configure_video_filters(ist, ost)) {
2297 fprintf(stderr, "Error opening filters!\n");
2302 case AVMEDIA_TYPE_SUBTITLE:
2303 ost->encoding_needed = 1;
2304 ist->decoding_needed = 1;
2311 if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
2312 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2313 char logfilename[1024];
2316 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2317 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2319 if (codec->flags & CODEC_FLAG_PASS1) {
2320 f = fopen(logfilename, "wb");
2322 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2328 size_t logbuffer_size;
2329 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2330 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2333 codec->stats_in = logbuffer;
2337 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2338 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2339 int size= codec->width * codec->height;
2340 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2345 bit_buffer = av_malloc(bit_buffer_size);
2347 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2349 ret = AVERROR(ENOMEM);
2353 /* open each encoder */
2354 for(i=0;i<nb_ostreams;i++) {
2356 if (ost->encoding_needed) {
2357 AVCodec *codec = i < nb_output_codecs ? output_codecs[i] : NULL;
2358 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2360 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2362 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2363 ost->st->codec->codec_id, ost->file_index, ost->index);
2364 ret = AVERROR(EINVAL);
2367 if (dec->subtitle_header) {
2368 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2369 if (!ost->st->codec->subtitle_header) {
2370 ret = AVERROR(ENOMEM);
2373 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2374 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2376 if (avcodec_open(ost->st->codec, codec) < 0) {
2377 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2378 ost->file_index, ost->index);
2379 ret = AVERROR(EINVAL);
2382 extra_size += ost->st->codec->extradata_size;
2386 /* open each decoder */
2387 for (i = 0; i < nb_input_streams; i++) {
2388 ist = &input_streams[i];
2389 if (ist->decoding_needed) {
2390 AVCodec *codec = i < nb_input_codecs ? input_codecs[i] : NULL;
2392 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2394 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2395 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2396 ret = AVERROR(EINVAL);
2399 if (avcodec_open(ist->st->codec, codec) < 0) {
2400 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2401 ist->file_index, ist->st->index);
2402 ret = AVERROR(EINVAL);
2405 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2406 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2411 for (i = 0; i < nb_input_streams; i++) {
2413 ist = &input_streams[i];
2415 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2416 ist->next_pts = AV_NOPTS_VALUE;
2420 /* set meta data information from input file if required */
2421 for (i=0;i<nb_meta_data_maps;i++) {
2422 AVFormatContext *files[2];
2423 AVDictionary **meta[2];
2426 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
2427 if ((index) < 0 || (index) >= (nb_elems)) {\
2428 snprintf(error, sizeof(error), "Invalid %s index %d while processing metadata maps\n",\
2430 ret = AVERROR(EINVAL);\
2434 int out_file_index = meta_data_maps[i][0].file;
2435 int in_file_index = meta_data_maps[i][1].file;
2436 if (in_file_index < 0 || out_file_index < 0)
2438 METADATA_CHECK_INDEX(out_file_index, nb_output_files, "output file")
2439 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
2441 files[0] = output_files[out_file_index];
2442 files[1] = input_files[in_file_index].ctx;
2444 for (j = 0; j < 2; j++) {
2445 AVMetaDataMap *map = &meta_data_maps[i][j];
2447 switch (map->type) {
2449 meta[j] = &files[j]->metadata;
2452 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
2453 meta[j] = &files[j]->streams[map->index]->metadata;
2456 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
2457 meta[j] = &files[j]->chapters[map->index]->metadata;
2460 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
2461 meta[j] = &files[j]->programs[map->index]->metadata;
2466 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
2469 /* copy global metadata by default */
2470 if (metadata_global_autocopy) {
2472 for (i = 0; i < nb_output_files; i++)
2473 av_dict_copy(&output_files[i]->metadata, input_files[0].ctx->metadata,
2474 AV_DICT_DONT_OVERWRITE);
2477 /* copy chapters according to chapter maps */
2478 for (i = 0; i < nb_chapter_maps; i++) {
2479 int infile = chapter_maps[i].in_file;
2480 int outfile = chapter_maps[i].out_file;
2482 if (infile < 0 || outfile < 0)
2484 if (infile >= nb_input_files) {
2485 snprintf(error, sizeof(error), "Invalid input file index %d in chapter mapping.\n", infile);
2486 ret = AVERROR(EINVAL);
2489 if (outfile >= nb_output_files) {
2490 snprintf(error, sizeof(error), "Invalid output file index %d in chapter mapping.\n",outfile);
2491 ret = AVERROR(EINVAL);
2494 copy_chapters(infile, outfile);
2497 /* copy chapters from the first input file that has them*/
2498 if (!nb_chapter_maps)
2499 for (i = 0; i < nb_input_files; i++) {
2500 if (!input_files[i].ctx->nb_chapters)
2503 for (j = 0; j < nb_output_files; j++)
2504 if ((ret = copy_chapters(i, j)) < 0)
2509 /* open files and write file headers */
2510 for(i=0;i<nb_output_files;i++) {
2511 os = output_files[i];
2512 if (av_write_header(os) < 0) {
2513 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2514 ret = AVERROR(EINVAL);
2517 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2523 /* dump the file output parameters - cannot be done before in case
2525 for(i=0;i<nb_output_files;i++) {
2526 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2529 /* dump the stream mapping */
2531 fprintf(stderr, "Stream mapping:\n");
2532 for(i=0;i<nb_ostreams;i++) {
2534 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2535 input_streams[ost->source_index].file_index,
2536 input_streams[ost->source_index].st->index,
2539 if (ost->sync_ist != &input_streams[ost->source_index])
2540 fprintf(stderr, " [sync #%d.%d]",
2541 ost->sync_ist->file_index,
2542 ost->sync_ist->st->index);
2543 fprintf(stderr, "\n");
2548 fprintf(stderr, "%s\n", error);
2553 print_sdp(output_files, nb_output_files);
2558 fprintf(stderr, "Press [q] to stop, [?] for help\n");
2559 avio_set_interrupt_cb(decode_interrupt_cb);
2563 timer_start = av_gettime();
2565 for(; received_sigterm == 0;) {
2566 int file_index, ist_index;
2574 /* if 'q' pressed, exits */
2578 /* read_key() returns 0 on EOF */
2582 if (key == '+') verbose++;
2583 if (key == '-') verbose--;
2584 if (key == 's') qp_hist ^= 1;
2587 do_hex_dump = do_pkt_dump = 0;
2588 } else if(do_pkt_dump){
2592 av_log_set_level(AV_LOG_DEBUG);
2594 if (key == 'd' || key == 'D'){
2597 debug = input_streams[0].st->codec->debug<<1;
2598 if(!debug) debug = 1;
2599 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2602 scanf("%d", &debug);
2603 for(i=0;i<nb_input_streams;i++) {
2604 input_streams[i].st->codec->debug = debug;
2606 for(i=0;i<nb_ostreams;i++) {
2608 ost->st->codec->debug = debug;
2610 if(debug) av_log_set_level(AV_LOG_DEBUG);
2611 fprintf(stderr,"debug=%d\n", debug);
2614 fprintf(stderr, "key function\n"
2615 "? show this help\n"
2616 "+ increase verbosity\n"
2617 "- decrease verbosity\n"
2618 "D cycle through available debug modes\n"
2619 "h dump packets/hex press to cycle through the 3 states\n"
2621 "s Show QP histogram\n"
2626 /* select the stream that we must read now by looking at the
2627 smallest output pts */
2629 for(i=0;i<nb_ostreams;i++) {
2632 os = output_files[ost->file_index];
2633 ist = &input_streams[ost->source_index];
2634 if(ist->is_past_recording_time || no_packet[ist->file_index])
2636 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2637 ipts = (double)ist->pts;
2638 if (!input_files[ist->file_index].eof_reached){
2639 if(ipts < ipts_min) {
2641 if(input_sync ) file_index = ist->file_index;
2643 if(opts < opts_min) {
2645 if(!input_sync) file_index = ist->file_index;
2648 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2653 /* if none, if is finished */
2654 if (file_index < 0) {
2655 if(no_packet_count){
2657 memset(no_packet, 0, sizeof(no_packet));
2664 /* finish if limit size exhausted */
2665 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
2668 /* read a frame from it and output it in the fifo */
2669 is = input_files[file_index].ctx;
2670 ret= av_read_frame(is, &pkt);
2671 if(ret == AVERROR(EAGAIN)){
2672 no_packet[file_index]=1;
2677 input_files[file_index].eof_reached = 1;
2685 memset(no_packet, 0, sizeof(no_packet));
2688 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2689 is->streams[pkt.stream_index]);
2691 /* the following test is needed in case new streams appear
2692 dynamically in stream : we ignore them */
2693 if (pkt.stream_index >= input_files[file_index].ctx->nb_streams)
2694 goto discard_packet;
2695 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2696 ist = &input_streams[ist_index];
2698 goto discard_packet;
2700 if (pkt.dts != AV_NOPTS_VALUE)
2701 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2702 if (pkt.pts != AV_NOPTS_VALUE)
2703 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2705 if (pkt.stream_index < nb_input_files_ts_scale[file_index]
2706 && input_files_ts_scale[file_index][pkt.stream_index]){
2707 if(pkt.pts != AV_NOPTS_VALUE)
2708 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2709 if(pkt.dts != AV_NOPTS_VALUE)
2710 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2713 // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files_ts_offset[ist->file_index], ist->st->codec->codec_type);
2714 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2715 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2716 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2717 int64_t delta= pkt_dts - ist->next_pts;
2718 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2719 input_files_ts_offset[ist->file_index]-= delta;
2721 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2722 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2723 if(pkt.pts != AV_NOPTS_VALUE)
2724 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2728 /* finish if recording time exhausted */
2729 if (recording_time != INT64_MAX &&
2730 (pkt.pts != AV_NOPTS_VALUE ?
2731 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000})
2733 av_compare_ts(ist->pts, AV_TIME_BASE_Q, recording_time + start_time, (AVRational){1, 1000000})
2735 ist->is_past_recording_time = 1;
2736 goto discard_packet;
2739 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2740 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2743 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2744 ist->file_index, ist->st->index);
2747 av_free_packet(&pkt);
2752 av_free_packet(&pkt);
2754 /* dump report by using the output first video and audio streams */
2755 print_report(output_files, ost_table, nb_ostreams, 0);
2758 /* at the end of stream, we must flush the decoder buffers */
2759 for (i = 0; i < nb_input_streams; i++) {
2760 ist = &input_streams[i];
2761 if (ist->decoding_needed) {
2762 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2768 /* write the trailer if needed and close file */
2769 for(i=0;i<nb_output_files;i++) {
2770 os = output_files[i];
2771 av_write_trailer(os);
2774 /* dump report by using the first video and audio streams */
2775 print_report(output_files, ost_table, nb_ostreams, 1);
2777 /* close each encoder */
2778 for(i=0;i<nb_ostreams;i++) {
2780 if (ost->encoding_needed) {
2781 av_freep(&ost->st->codec->stats_in);
2782 avcodec_close(ost->st->codec);
2785 avfilter_graph_free(&ost->graph);
2789 /* close each decoder */
2790 for (i = 0; i < nb_input_streams; i++) {
2791 ist = &input_streams[i];
2792 if (ist->decoding_needed) {
2793 avcodec_close(ist->st->codec);
2801 av_freep(&bit_buffer);
2804 for(i=0;i<nb_ostreams;i++) {
2807 if (ost->st->stream_copy)
2808 av_freep(&ost->st->codec->extradata);
2810 fclose(ost->logfile);
2811 ost->logfile = NULL;
2813 av_fifo_free(ost->fifo); /* works even if fifo is not
2814 initialized but set to zero */
2815 av_freep(&ost->st->codec->subtitle_header);
2816 av_free(ost->resample_frame.data[0]);
2817 av_free(ost->forced_kf_pts);
2818 if (ost->video_resample)
2819 sws_freeContext(ost->img_resample_ctx);
2821 audio_resample_close(ost->resample);
2822 if (ost->reformat_ctx)
2823 av_audio_convert_free(ost->reformat_ctx);
2832 static int opt_format(const char *opt, const char *arg)
2834 last_asked_format = arg;
2838 static int opt_video_rc_override_string(const char *opt, const char *arg)
2840 video_rc_override_string = arg;
2844 static int opt_me_threshold(const char *opt, const char *arg)
2846 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2850 static int opt_verbose(const char *opt, const char *arg)
2852 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2856 static int opt_frame_rate(const char *opt, const char *arg)
2858 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2859 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2865 static int opt_bitrate(const char *opt, const char *arg)
2867 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2869 opt_default(opt, arg);
2871 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2872 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2877 static int opt_frame_crop(const char *opt, const char *arg)
2879 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2880 return AVERROR(EINVAL);
2883 static int opt_frame_size(const char *opt, const char *arg)
2885 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2886 fprintf(stderr, "Incorrect frame size\n");
2887 return AVERROR(EINVAL);
2892 static int opt_pad(const char *opt, const char *arg) {
2893 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2897 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2899 if (strcmp(arg, "list")) {
2900 frame_pix_fmt = av_get_pix_fmt(arg);
2901 if (frame_pix_fmt == PIX_FMT_NONE) {
2902 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2903 return AVERROR(EINVAL);
2912 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2919 p = strchr(arg, ':');
2921 x = strtol(arg, &end, 10);
2923 y = strtol(end+1, &end, 10);
2925 ar = (double)x / (double)y;
2927 ar = strtod(arg, NULL);
2930 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2931 return AVERROR(EINVAL);
2933 frame_aspect_ratio = ar;
2937 static int opt_metadata(const char *opt, const char *arg)
2939 char *mid= strchr(arg, '=');
2942 fprintf(stderr, "Missing =\n");
2947 av_dict_set(&metadata, arg, mid, 0);
2952 static int opt_qscale(const char *opt, const char *arg)
2954 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2955 if (video_qscale <= 0 || video_qscale > 255) {
2956 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2957 return AVERROR(EINVAL);
2962 static int opt_top_field_first(const char *opt, const char *arg)
2964 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2965 opt_default(opt, arg);
2969 static int opt_thread_count(const char *opt, const char *arg)
2971 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2974 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2979 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2981 if (strcmp(arg, "list")) {
2982 audio_sample_fmt = av_get_sample_fmt(arg);
2983 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2984 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2985 return AVERROR(EINVAL);
2990 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2991 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2997 static int opt_audio_rate(const char *opt, const char *arg)
2999 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3003 static int opt_audio_channels(const char *opt, const char *arg)
3005 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3009 static int opt_video_channel(const char *opt, const char *arg)
3011 video_channel = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3015 static int opt_video_standard(const char *opt, const char *arg)
3017 video_standard = av_strdup(arg);
3021 static int opt_codec(const char *opt, const char *arg)
3023 int *pstream_copy; char **pcodec_name; enum AVMediaType codec_type;
3025 if (!strcmp(opt, "acodec")) { pstream_copy = &audio_stream_copy; pcodec_name = &audio_codec_name; codec_type = AVMEDIA_TYPE_AUDIO; }
3026 else if (!strcmp(opt, "vcodec")) { pstream_copy = &video_stream_copy; pcodec_name = &video_codec_name; codec_type = AVMEDIA_TYPE_VIDEO; }
3027 else if (!strcmp(opt, "scodec")) { pstream_copy = &subtitle_stream_copy; pcodec_name = &subtitle_codec_name; codec_type = AVMEDIA_TYPE_SUBTITLE; }
3028 else if (!strcmp(opt, "dcodec")) { pstream_copy = &data_stream_copy; pcodec_name = &data_codec_name; codec_type = AVMEDIA_TYPE_DATA; }
3030 av_freep(pcodec_name);
3031 if (!strcmp(arg, "copy")) {
3034 *pcodec_name = av_strdup(arg);
3039 static int opt_codec_tag(const char *opt, const char *arg)
3042 uint32_t *codec_tag;
3044 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
3045 !strcmp(opt, "vtag") ? &video_codec_tag :
3046 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
3050 *codec_tag = strtol(arg, &tail, 0);
3052 *codec_tag = AV_RL32(arg);
3057 static int opt_map(const char *opt, const char *arg)
3062 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
3063 m = &stream_maps[nb_stream_maps-1];
3065 m->file_index = strtol(arg, &p, 0);
3069 m->stream_index = strtol(p, &p, 0);
3072 m->sync_file_index = strtol(p, &p, 0);
3075 m->sync_stream_index = strtol(p, &p, 0);
3077 m->sync_file_index = m->file_index;
3078 m->sync_stream_index = m->stream_index;
3083 static void parse_meta_type(char *arg, char *type, int *index, char **endptr)
3094 *index = strtol(++arg, endptr, 0);
3097 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
3104 static int opt_map_metadata(const char *opt, const char *arg)
3106 AVMetaDataMap *m, *m1;
3109 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
3110 &nb_meta_data_maps, nb_meta_data_maps + 1);
3112 m = &meta_data_maps[nb_meta_data_maps - 1][0];
3113 m->file = strtol(arg, &p, 0);
3114 parse_meta_type(p, &m->type, &m->index, &p);
3118 m1 = &meta_data_maps[nb_meta_data_maps - 1][1];
3119 m1->file = strtol(p, &p, 0);
3120 parse_meta_type(p, &m1->type, &m1->index, &p);
3122 if (m->type == 'g' || m1->type == 'g')
3123 metadata_global_autocopy = 0;
3124 if (m->type == 's' || m1->type == 's')
3125 metadata_streams_autocopy = 0;
3126 if (m->type == 'c' || m1->type == 'c')
3127 metadata_chapters_autocopy = 0;
3132 static int opt_map_meta_data(const char *opt, const char *arg)
3134 fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
3135 "Use -map_metadata instead.\n");
3136 return opt_map_metadata(opt, arg);
3139 static int opt_map_chapters(const char *opt, const char *arg)
3144 chapter_maps = grow_array(chapter_maps, sizeof(*chapter_maps), &nb_chapter_maps,
3145 nb_chapter_maps + 1);
3146 c = &chapter_maps[nb_chapter_maps - 1];
3147 c->out_file = strtol(arg, &p, 0);
3151 c->in_file = strtol(p, &p, 0);
3155 static int opt_input_ts_scale(const char *opt, const char *arg)
3157 unsigned int stream;
3161 stream = strtol(arg, &p, 0);
3164 scale= strtod(p, &p);
3166 if(stream >= MAX_STREAMS)
3169 input_files_ts_scale[nb_input_files] = grow_array(input_files_ts_scale[nb_input_files], sizeof(*input_files_ts_scale[nb_input_files]), &nb_input_files_ts_scale[nb_input_files], stream + 1);
3170 input_files_ts_scale[nb_input_files][stream]= scale;
3174 static int opt_recording_time(const char *opt, const char *arg)
3176 recording_time = parse_time_or_die(opt, arg, 1);
3180 static int opt_start_time(const char *opt, const char *arg)
3182 start_time = parse_time_or_die(opt, arg, 1);
3186 static int opt_recording_timestamp(const char *opt, const char *arg)
3188 recording_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
3192 static int opt_input_ts_offset(const char *opt, const char *arg)
3194 input_ts_offset = parse_time_or_die(opt, arg, 1);
3198 static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
3200 const char *codec_string = encoder ? "encoder" : "decoder";
3204 return CODEC_ID_NONE;
3206 avcodec_find_encoder_by_name(name) :
3207 avcodec_find_decoder_by_name(name);
3209 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
3212 if(codec->type != type) {
3213 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
3216 if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
3217 strict > FF_COMPLIANCE_EXPERIMENTAL) {
3218 fprintf(stderr, "%s '%s' is experimental and might produce bad "
3219 "results.\nAdd '-strict experimental' if you want to use it.\n",
3220 codec_string, codec->name);
3222 avcodec_find_encoder(codec->id) :
3223 avcodec_find_decoder(codec->id);
3224 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
3225 fprintf(stderr, "Or use the non experimental %s '%s'.\n",
3226 codec_string, codec->name);
3232 static int opt_input_file(const char *opt, const char *filename)
3234 AVFormatContext *ic;
3235 AVFormatParameters params, *ap = ¶ms;
3236 AVInputFormat *file_iformat = NULL;
3237 int err, i, ret, rfps, rfps_base;
3240 if (last_asked_format) {
3241 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3242 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3245 last_asked_format = NULL;
3248 if (!strcmp(filename, "-"))
3251 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3252 !strcmp(filename, "/dev/stdin");
3254 /* get default parameters from command line */
3255 ic = avformat_alloc_context();
3257 print_error(filename, AVERROR(ENOMEM));
3261 memset(ap, 0, sizeof(*ap));
3262 ap->prealloced_context = 1;
3263 ap->sample_rate = audio_sample_rate;
3264 ap->channels = audio_channels;
3265 ap->time_base.den = frame_rate.num;
3266 ap->time_base.num = frame_rate.den;
3267 ap->width = frame_width;
3268 ap->height = frame_height;
3269 ap->pix_fmt = frame_pix_fmt;
3270 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
3271 ap->channel = video_channel;
3272 ap->standard = video_standard;
3274 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
3276 ic->video_codec_id =
3277 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
3278 avcodec_opts[AVMEDIA_TYPE_VIDEO ]->strict_std_compliance);
3279 ic->audio_codec_id =
3280 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0,
3281 avcodec_opts[AVMEDIA_TYPE_AUDIO ]->strict_std_compliance);
3282 ic->subtitle_codec_id=
3283 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
3284 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3285 ic->flags |= AVFMT_FLAG_NONBLOCK | AVFMT_FLAG_PRIV_OPT;
3287 /* open the input file with generic libav function */
3288 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
3290 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
3291 err = av_demuxer_open(ic, ap);
3293 avformat_free_context(ic);
3296 print_error(filename, err);
3302 for(i=0; i<ic->nb_streams; i++){
3303 ic->streams[i]->discard= AVDISCARD_ALL;
3305 for(i=0; i<ic->nb_programs; i++){
3306 AVProgram *p= ic->programs[i];
3307 if(p->id != opt_programid){
3308 p->discard = AVDISCARD_ALL;
3311 for(j=0; j<p->nb_stream_indexes; j++){
3312 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3317 fprintf(stderr, "Specified program id not found\n");
3323 ic->loop_input = loop_input;
3325 /* If not enough info to get the stream parameters, we decode the
3326 first frames to get it. (used in mpeg case for example) */
3327 ret = av_find_stream_info(ic);
3328 if (ret < 0 && verbose >= 0) {
3329 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3330 av_close_input_file(ic);
3334 timestamp = start_time;
3335 /* add the stream start time */
3336 if (ic->start_time != AV_NOPTS_VALUE)
3337 timestamp += ic->start_time;
3339 /* if seeking requested, we execute it */
3340 if (start_time != 0) {
3341 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3343 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3344 filename, (double)timestamp / AV_TIME_BASE);
3346 /* reset seek info */
3350 /* update the current parameters so that they match the one of the input stream */
3351 for(i=0;i<ic->nb_streams;i++) {
3352 AVStream *st = ic->streams[i];
3353 AVCodecContext *dec = st->codec;
3356 dec->thread_count = thread_count;
3357 input_codecs = grow_array(input_codecs, sizeof(*input_codecs), &nb_input_codecs, nb_input_codecs + 1);
3359 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3360 ist = &input_streams[nb_input_streams - 1];
3362 ist->file_index = nb_input_files;
3365 switch (dec->codec_type) {
3366 case AVMEDIA_TYPE_AUDIO:
3367 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(audio_codec_name);
3368 if(!input_codecs[nb_input_codecs-1])
3369 input_codecs[nb_input_codecs-1] = avcodec_find_decoder(dec->codec_id);
3370 set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM, input_codecs[nb_input_codecs-1]);
3371 channel_layout = dec->channel_layout;
3372 audio_channels = dec->channels;
3373 audio_sample_rate = dec->sample_rate;
3374 audio_sample_fmt = dec->sample_fmt;
3376 st->discard= AVDISCARD_ALL;
3377 /* Note that av_find_stream_info can add more streams, and we
3378 * currently have no chance of setting up lowres decoding
3379 * early enough for them. */
3381 audio_sample_rate >>= dec->lowres;
3383 case AVMEDIA_TYPE_VIDEO:
3384 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(video_codec_name);
3385 if(!input_codecs[nb_input_codecs-1])
3386 input_codecs[nb_input_codecs-1] = avcodec_find_decoder(dec->codec_id);
3387 set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM, input_codecs[nb_input_codecs-1]);
3388 frame_height = dec->height;
3389 frame_width = dec->width;
3390 frame_pix_fmt = dec->pix_fmt;
3391 rfps = ic->streams[i]->r_frame_rate.num;
3392 rfps_base = ic->streams[i]->r_frame_rate.den;
3394 dec->flags |= CODEC_FLAG_EMU_EDGE;
3395 frame_height >>= dec->lowres;
3396 frame_width >>= dec->lowres;
3397 dec->height = frame_height;
3398 dec->width = frame_width;
3401 dec->debug |= FF_DEBUG_MV;
3403 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3406 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3407 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3409 (float)rfps / rfps_base, rfps, rfps_base);
3411 /* update the current frame rate to match the stream frame rate */
3412 frame_rate.num = rfps;
3413 frame_rate.den = rfps_base;
3416 st->discard= AVDISCARD_ALL;
3417 else if(video_discard)
3418 st->discard= video_discard;
3420 case AVMEDIA_TYPE_DATA:
3422 case AVMEDIA_TYPE_SUBTITLE:
3423 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(subtitle_codec_name);
3424 if(!input_codecs[nb_input_codecs-1])
3425 input_codecs[nb_input_codecs-1] = avcodec_find_decoder(dec->codec_id);
3426 if(subtitle_disable)
3427 st->discard = AVDISCARD_ALL;
3429 case AVMEDIA_TYPE_ATTACHMENT:
3430 case AVMEDIA_TYPE_UNKNOWN:
3437 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3438 /* dump the file content */
3440 av_dump_format(ic, nb_input_files, filename, 0);
3442 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3443 input_files[nb_input_files - 1].ctx = ic;
3444 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3447 top_field_first = -1;
3449 av_freep(&video_codec_name);
3450 av_freep(&audio_codec_name);
3451 av_freep(&subtitle_codec_name);
3457 static void check_inputs(int *has_video_ptr,
3459 int *has_subtitle_ptr,
3462 int has_video, has_audio, has_subtitle, has_data, i, j;
3463 AVFormatContext *ic;
3470 for(j=0;j<nb_input_files;j++) {
3471 ic = input_files[j].ctx;
3472 for(i=0;i<ic->nb_streams;i++) {
3473 AVCodecContext *enc = ic->streams[i]->codec;
3474 switch(enc->codec_type) {
3475 case AVMEDIA_TYPE_AUDIO:
3478 case AVMEDIA_TYPE_VIDEO:
3481 case AVMEDIA_TYPE_SUBTITLE:
3484 case AVMEDIA_TYPE_DATA:
3485 case AVMEDIA_TYPE_ATTACHMENT:
3486 case AVMEDIA_TYPE_UNKNOWN:
3494 *has_video_ptr = has_video;
3495 *has_audio_ptr = has_audio;
3496 *has_subtitle_ptr = has_subtitle;
3497 *has_data_ptr = has_data;
3500 static void new_video_stream(AVFormatContext *oc, int file_idx)
3503 AVOutputStream *ost;
3504 AVCodecContext *video_enc;
3505 enum CodecID codec_id = CODEC_ID_NONE;
3506 AVCodec *codec= NULL;
3508 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3510 fprintf(stderr, "Could not alloc stream\n");
3513 ost = new_output_stream(oc, file_idx);
3515 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3516 if(!video_stream_copy){
3517 if (video_codec_name) {
3518 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
3519 avcodec_opts[AVMEDIA_TYPE_VIDEO]->strict_std_compliance);
3520 codec = avcodec_find_encoder_by_name(video_codec_name);
3521 output_codecs[nb_output_codecs-1] = codec;
3523 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3524 codec = avcodec_find_encoder(codec_id);
3526 ost->frame_aspect_ratio = frame_aspect_ratio;
3527 frame_aspect_ratio = 0;
3529 ost->avfilter = vfilters;
3534 avcodec_get_context_defaults3(st->codec, codec);
3535 ost->bitstream_filters = video_bitstream_filters;
3536 video_bitstream_filters= NULL;
3538 st->codec->thread_count= thread_count;
3540 video_enc = st->codec;
3543 video_enc->codec_tag= video_codec_tag;
3545 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3546 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3547 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3550 if (video_stream_copy) {
3551 st->stream_copy = 1;
3552 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3553 video_enc->sample_aspect_ratio =
3554 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3558 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3560 video_enc->codec_id = codec_id;
3561 set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3563 if (codec && codec->supported_framerates && !force_fps)
3564 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3565 video_enc->time_base.den = fps.num;
3566 video_enc->time_base.num = fps.den;
3568 video_enc->width = frame_width;
3569 video_enc->height = frame_height;
3570 video_enc->pix_fmt = frame_pix_fmt;
3571 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3572 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3574 choose_pixel_fmt(st, codec);
3577 video_enc->gop_size = 0;
3578 if (video_qscale || same_quality) {
3579 video_enc->flags |= CODEC_FLAG_QSCALE;
3580 video_enc->global_quality=
3581 st->quality = FF_QP2LAMBDA * video_qscale;
3585 video_enc->intra_matrix = intra_matrix;
3587 video_enc->inter_matrix = inter_matrix;
3589 p= video_rc_override_string;
3592 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3594 fprintf(stderr, "error parsing rc_override\n");
3597 video_enc->rc_override=
3598 av_realloc(video_enc->rc_override,
3599 sizeof(RcOverride)*(i+1));
3600 video_enc->rc_override[i].start_frame= start;
3601 video_enc->rc_override[i].end_frame = end;
3603 video_enc->rc_override[i].qscale= q;
3604 video_enc->rc_override[i].quality_factor= 1.0;
3607 video_enc->rc_override[i].qscale= 0;
3608 video_enc->rc_override[i].quality_factor= -q/100.0;
3613 video_enc->rc_override_count=i;
3614 if (!video_enc->rc_initial_buffer_occupancy)
3615 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3616 video_enc->me_threshold= me_threshold;
3617 video_enc->intra_dc_precision= intra_dc_precision - 8;
3620 video_enc->flags|= CODEC_FLAG_PSNR;
3625 video_enc->flags |= CODEC_FLAG_PASS1;
3627 video_enc->flags |= CODEC_FLAG_PASS2;
3631 if (forced_key_frames)
3632 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3634 if (video_language) {
3635 av_dict_set(&st->metadata, "language", video_language, 0);
3636 av_freep(&video_language);
3639 /* reset some key parameters */
3641 av_freep(&video_codec_name);
3642 av_freep(&forced_key_frames);
3643 video_stream_copy = 0;
3644 frame_pix_fmt = PIX_FMT_NONE;
3647 static void new_audio_stream(AVFormatContext *oc, int file_idx)
3650 AVOutputStream *ost;
3651 AVCodec *codec= NULL;
3652 AVCodecContext *audio_enc;
3653 enum CodecID codec_id = CODEC_ID_NONE;
3655 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3657 fprintf(stderr, "Could not alloc stream\n");
3660 ost = new_output_stream(oc, file_idx);
3662 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3663 if(!audio_stream_copy){
3664 if (audio_codec_name) {
3665 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
3666 avcodec_opts[AVMEDIA_TYPE_AUDIO]->strict_std_compliance);
3667 codec = avcodec_find_encoder_by_name(audio_codec_name);
3668 output_codecs[nb_output_codecs-1] = codec;
3670 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
3671 codec = avcodec_find_encoder(codec_id);
3675 avcodec_get_context_defaults3(st->codec, codec);
3677 ost->bitstream_filters = audio_bitstream_filters;
3678 audio_bitstream_filters= NULL;
3680 st->codec->thread_count= thread_count;
3682 audio_enc = st->codec;
3683 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3686 audio_enc->codec_tag= audio_codec_tag;
3688 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3689 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3690 avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3692 if (audio_stream_copy) {
3693 st->stream_copy = 1;
3694 audio_enc->channels = audio_channels;
3695 audio_enc->sample_rate = audio_sample_rate;
3697 audio_enc->codec_id = codec_id;
3698 set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3700 if (audio_qscale > QSCALE_NONE) {
3701 audio_enc->flags |= CODEC_FLAG_QSCALE;
3702 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3704 audio_enc->channels = audio_channels;
3705 audio_enc->sample_fmt = audio_sample_fmt;
3706 audio_enc->sample_rate = audio_sample_rate;
3707 audio_enc->channel_layout = channel_layout;
3708 if (av_get_channel_layout_nb_channels(channel_layout) != audio_channels)
3709 audio_enc->channel_layout = 0;
3710 choose_sample_fmt(st, codec);
3711 choose_sample_rate(st, codec);
3713 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3714 if (audio_language) {
3715 av_dict_set(&st->metadata, "language", audio_language, 0);
3716 av_freep(&audio_language);
3719 /* reset some key parameters */
3721 av_freep(&audio_codec_name);
3722 audio_stream_copy = 0;
3725 static void new_data_stream(AVFormatContext *oc, int file_idx)
3728 AVCodec *codec=NULL;
3729 AVCodecContext *data_enc;
3731 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3733 fprintf(stderr, "Could not alloc stream\n");
3736 new_output_stream(oc, file_idx);
3737 data_enc = st->codec;
3738 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3739 if (!data_stream_copy) {
3740 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3743 avcodec_get_context_defaults3(st->codec, codec);
3745 data_enc->codec_type = AVMEDIA_TYPE_DATA;
3748 data_enc->codec_tag= data_codec_tag;
3750 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3751 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3752 avcodec_opts[AVMEDIA_TYPE_DATA]->flags |= CODEC_FLAG_GLOBAL_HEADER;
3754 if (data_stream_copy) {
3755 st->stream_copy = 1;
3759 av_freep(&data_codec_name);
3760 data_stream_copy = 0;
3763 static void new_subtitle_stream(AVFormatContext *oc, int file_idx)
3766 AVOutputStream *ost;
3767 AVCodec *codec=NULL;
3768 AVCodecContext *subtitle_enc;
3769 enum CodecID codec_id = CODEC_ID_NONE;
3771 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3773 fprintf(stderr, "Could not alloc stream\n");
3776 ost = new_output_stream(oc, file_idx);
3777 subtitle_enc = st->codec;
3778 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3779 if(!subtitle_stream_copy){
3780 if (subtitle_codec_name) {
3781 codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
3782 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3783 codec= output_codecs[nb_output_codecs-1] = avcodec_find_encoder_by_name(subtitle_codec_name);
3785 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_SUBTITLE);
3786 codec = avcodec_find_encoder(codec_id);
3789 avcodec_get_context_defaults3(st->codec, codec);
3791 ost->bitstream_filters = subtitle_bitstream_filters;
3792 subtitle_bitstream_filters= NULL;
3794 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3796 if(subtitle_codec_tag)
3797 subtitle_enc->codec_tag= subtitle_codec_tag;
3799 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3800 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3801 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->flags |= CODEC_FLAG_GLOBAL_HEADER;
3803 if (subtitle_stream_copy) {
3804 st->stream_copy = 1;
3806 subtitle_enc->codec_id = codec_id;
3807 set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3810 if (subtitle_language) {
3811 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3812 av_freep(&subtitle_language);
3815 subtitle_disable = 0;
3816 av_freep(&subtitle_codec_name);
3817 subtitle_stream_copy = 0;
3820 static int opt_new_stream(const char *opt, const char *arg)
3822 AVFormatContext *oc;
3823 int file_idx = nb_output_files - 1;
3824 if (nb_output_files <= 0) {
3825 fprintf(stderr, "At least one output file must be specified\n");
3828 oc = output_files[file_idx];
3830 if (!strcmp(opt, "newvideo" )) new_video_stream (oc, file_idx);
3831 else if (!strcmp(opt, "newaudio" )) new_audio_stream (oc, file_idx);
3832 else if (!strcmp(opt, "newsubtitle")) new_subtitle_stream(oc, file_idx);
3833 else if (!strcmp(opt, "newdata" )) new_data_stream (oc, file_idx);
3838 /* arg format is "output-stream-index:streamid-value". */
3839 static int opt_streamid(const char *opt, const char *arg)
3845 av_strlcpy(idx_str, arg, sizeof(idx_str));
3846 p = strchr(idx_str, ':');
3849 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3854 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3855 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3856 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3860 static int opt_output_file(const char *opt, const char *filename)
3862 AVFormatContext *oc;
3863 int err, use_video, use_audio, use_subtitle, use_data;
3864 int input_has_video, input_has_audio, input_has_subtitle, input_has_data;
3865 AVFormatParameters params, *ap = ¶ms;
3866 AVOutputFormat *file_oformat;
3868 if(nb_output_files >= FF_ARRAY_ELEMS(output_files)){
3869 fprintf(stderr, "Too many output files\n");
3873 if (!strcmp(filename, "-"))
3876 err = avformat_alloc_output_context2(&oc, NULL, last_asked_format, filename);
3877 last_asked_format = NULL;
3879 print_error(filename, err);
3882 file_oformat= oc->oformat;
3884 if (!strcmp(file_oformat->name, "ffm") &&
3885 av_strstart(filename, "http:", NULL)) {
3886 /* special case for files sent to ffserver: we get the stream
3887 parameters from ffserver */
3888 int err = read_ffserver_streams(oc, filename);
3890 print_error(filename, err);
3894 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3895 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3896 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3897 use_data = data_stream_copy || data_codec_name; /* XXX once generic data codec will be available add a ->data_codec reference and use it here */
3899 /* disable if no corresponding type found and at least one
3901 if (nb_input_files > 0) {
3902 check_inputs(&input_has_video,
3904 &input_has_subtitle,
3907 if (!input_has_video)
3909 if (!input_has_audio)
3911 if (!input_has_subtitle)
3913 if (!input_has_data)
3917 /* manual disable */
3918 if (audio_disable) use_audio = 0;
3919 if (video_disable) use_video = 0;
3920 if (subtitle_disable) use_subtitle = 0;
3921 if (data_disable) use_data = 0;
3923 if (use_video) new_video_stream(oc, nb_output_files);
3924 if (use_audio) new_audio_stream(oc, nb_output_files);
3925 if (use_subtitle) new_subtitle_stream(oc, nb_output_files);
3926 if (use_data) new_data_stream(oc, nb_output_files);
3928 oc->timestamp = recording_timestamp;
3930 av_dict_copy(&oc->metadata, metadata, 0);
3931 av_dict_free(&metadata);
3934 output_files[nb_output_files++] = oc;
3936 /* check filename in case of an image number is expected */
3937 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3938 if (!av_filename_number_test(oc->filename)) {
3939 print_error(oc->filename, AVERROR(EINVAL));
3944 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3945 /* test if it already exists to avoid loosing precious files */
3946 if (!file_overwrite &&
3947 (strchr(filename, ':') == NULL ||
3948 filename[1] == ':' ||
3949 av_strstart(filename, "file:", NULL))) {
3950 if (avio_check(filename, 0) == 0) {
3952 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3954 if (!read_yesno()) {
3955 fprintf(stderr, "Not overwriting - exiting\n");
3960 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3967 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3968 print_error(filename, err);
3973 memset(ap, 0, sizeof(*ap));
3974 if (av_set_parameters(oc, ap) < 0) {
3975 fprintf(stderr, "%s: Invalid encoding parameters\n",
3980 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3981 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3982 oc->loop_output = loop_output;
3984 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM, NULL);
3986 av_freep(&forced_key_frames);
3992 /* same option as mencoder */
3993 static int opt_pass(const char *opt, const char *arg)
3995 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3999 static int64_t getutime(void)
4002 struct rusage rusage;
4004 getrusage(RUSAGE_SELF, &rusage);
4005 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4006 #elif HAVE_GETPROCESSTIMES
4008 FILETIME c, e, k, u;
4009 proc = GetCurrentProcess();
4010 GetProcessTimes(proc, &c, &e, &k, &u);
4011 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4013 return av_gettime();
4017 static int64_t getmaxrss(void)
4019 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4020 struct rusage rusage;
4021 getrusage(RUSAGE_SELF, &rusage);
4022 return (int64_t)rusage.ru_maxrss * 1024;
4023 #elif HAVE_GETPROCESSMEMORYINFO
4025 PROCESS_MEMORY_COUNTERS memcounters;
4026 proc = GetCurrentProcess();
4027 memcounters.cb = sizeof(memcounters);
4028 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4029 return memcounters.PeakPagefileUsage;
4035 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
4038 const char *p = str;
4045 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
4052 static void opt_inter_matrix(const char *arg)
4054 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
4055 parse_matrix_coeffs(inter_matrix, arg);
4058 static void opt_intra_matrix(const char *arg)
4060 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
4061 parse_matrix_coeffs(intra_matrix, arg);
4064 static void show_usage(void)
4066 printf("Hyper fast Audio and Video encoder\n");
4067 printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n");
4071 static void show_help(void)
4074 AVOutputFormat *oformat = NULL;
4076 av_log_set_callback(log_callback_help);
4078 show_help_options(options, "Main options:\n",
4079 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4080 show_help_options(options, "\nAdvanced options:\n",
4081 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4083 show_help_options(options, "\nVideo options:\n",
4084 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4086 show_help_options(options, "\nAdvanced Video options:\n",
4087 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4088 OPT_VIDEO | OPT_EXPERT);
4089 show_help_options(options, "\nAudio options:\n",
4090 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4092 show_help_options(options, "\nAdvanced Audio options:\n",
4093 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4094 OPT_AUDIO | OPT_EXPERT);
4095 show_help_options(options, "\nSubtitle options:\n",
4096 OPT_SUBTITLE | OPT_GRAB,
4098 show_help_options(options, "\nAudio/Video grab options:\n",
4102 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4105 /* individual codec options */
4107 while ((c = av_codec_next(c))) {
4108 if (c->priv_class) {
4109 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4114 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4117 /* individual muxer options */
4118 while ((oformat = av_oformat_next(oformat))) {
4119 if (oformat->priv_class) {
4120 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
4125 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4128 static int opt_target(const char *opt, const char *arg)
4130 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4131 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
4133 if(!strncmp(arg, "pal-", 4)) {
4136 } else if(!strncmp(arg, "ntsc-", 5)) {
4139 } else if(!strncmp(arg, "film-", 5)) {
4144 /* Calculate FR via float to avoid int overflow */
4145 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
4148 } else if((fr == 29970) || (fr == 23976)) {
4151 /* Try to determine PAL/NTSC by peeking in the input files */
4152 if(nb_input_files) {
4154 for (j = 0; j < nb_input_files; j++) {
4155 for (i = 0; i < input_files[j].ctx->nb_streams; i++) {
4156 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4157 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4159 fr = c->time_base.den * 1000 / c->time_base.num;
4163 } else if((fr == 29970) || (fr == 23976)) {
4173 if(verbose > 0 && norm != UNKNOWN)
4174 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4177 if(norm == UNKNOWN) {
4178 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4179 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4180 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
4184 if(!strcmp(arg, "vcd")) {
4185 opt_codec("vcodec", "mpeg1video");
4186 opt_codec("acodec", "mp2");
4187 opt_format("f", "vcd");
4189 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
4190 opt_frame_rate("r", frame_rates[norm]);
4191 opt_default("g", norm == PAL ? "15" : "18");
4193 opt_default("b", "1150000");
4194 opt_default("maxrate", "1150000");
4195 opt_default("minrate", "1150000");
4196 opt_default("bufsize", "327680"); // 40*1024*8;
4198 opt_default("ab", "224000");
4199 audio_sample_rate = 44100;
4202 opt_default("packetsize", "2324");
4203 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4205 /* We have to offset the PTS, so that it is consistent with the SCR.
4206 SCR starts at 36000, but the first two packs contain only padding
4207 and the first pack from the other stream, respectively, may also have
4208 been written before.
4209 So the real data starts at SCR 36000+3*1200. */
4210 mux_preload= (36000+3*1200) / 90000.0; //0.44
4211 } else if(!strcmp(arg, "svcd")) {
4213 opt_codec("vcodec", "mpeg2video");
4214 opt_codec("acodec", "mp2");
4215 opt_format("f", "svcd");
4217 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
4218 opt_frame_rate("r", frame_rates[norm]);
4219 opt_default("g", norm == PAL ? "15" : "18");
4221 opt_default("b", "2040000");
4222 opt_default("maxrate", "2516000");
4223 opt_default("minrate", "0"); //1145000;
4224 opt_default("bufsize", "1835008"); //224*1024*8;
4225 opt_default("flags", "+scan_offset");
4228 opt_default("ab", "224000");
4229 audio_sample_rate = 44100;
4231 opt_default("packetsize", "2324");
4233 } else if(!strcmp(arg, "dvd")) {
4235 opt_codec("vcodec", "mpeg2video");
4236 opt_codec("acodec", "ac3");
4237 opt_format("f", "dvd");
4239 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
4240 opt_frame_rate("r", frame_rates[norm]);
4241 opt_default("g", norm == PAL ? "15" : "18");
4243 opt_default("b", "6000000");
4244 opt_default("maxrate", "9000000");
4245 opt_default("minrate", "0"); //1500000;
4246 opt_default("bufsize", "1835008"); //224*1024*8;
4248 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4249 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4251 opt_default("ab", "448000");
4252 audio_sample_rate = 48000;
4254 } else if(!strncmp(arg, "dv", 2)) {
4256 opt_format("f", "dv");
4258 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
4259 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4260 norm == PAL ? "yuv420p" : "yuv411p");
4261 opt_frame_rate("r", frame_rates[norm]);
4263 audio_sample_rate = 48000;
4267 fprintf(stderr, "Unknown target: %s\n", arg);
4268 return AVERROR(EINVAL);
4273 static int opt_vstats_file(const char *opt, const char *arg)
4275 av_free (vstats_filename);
4276 vstats_filename=av_strdup (arg);
4280 static int opt_vstats(const char *opt, const char *arg)
4283 time_t today2 = time(NULL);
4284 struct tm *today = localtime(&today2);
4286 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4288 return opt_vstats_file(opt, filename);
4291 static int opt_bsf(const char *opt, const char *arg)
4293 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4294 AVBitStreamFilterContext **bsfp;
4297 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4301 bsfp= *opt == 'v' ? &video_bitstream_filters :
4302 *opt == 'a' ? &audio_bitstream_filters :
4303 &subtitle_bitstream_filters;
4305 bsfp= &(*bsfp)->next;
4312 static int opt_preset(const char *opt, const char *arg)
4315 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4316 char *codec_name = *opt == 'v' ? video_codec_name :
4317 *opt == 'a' ? audio_codec_name :
4318 subtitle_codec_name;
4320 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4321 fprintf(stderr, "File for preset '%s' not found\n", arg);
4326 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4327 if(line[0] == '#' && !e)
4329 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4331 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
4334 if (!strcmp(tmp, "acodec") ||
4335 !strcmp(tmp, "vcodec") ||
4336 !strcmp(tmp, "scodec") ||
4337 !strcmp(tmp, "dcodec")) {
4338 opt_codec(tmp, tmp2);
4339 }else if(opt_default(tmp, tmp2) < 0){
4340 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4350 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
4354 static void opt_passlogfile(const char *arg)
4356 pass_logfilename_prefix = arg;
4357 opt_default("passlogfile", arg);
4360 static const OptionDef options[] = {
4362 #include "cmdutils_common_opts.h"
4363 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4364 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4365 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4366 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4367 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile",
4368 "outfile[,metadata]:infile[,metadata]" },
4369 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4370 "outfile[,metadata]:infile[,metadata]" },
4371 { "map_chapters", HAS_ARG | OPT_EXPERT, {(void*)opt_map_chapters}, "set chapters mapping", "outfile:infile" },
4372 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4373 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4374 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4375 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4376 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
4377 { "timestamp", HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4378 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4379 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4380 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4381 "add timings for benchmarking" },
4382 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4383 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4384 "dump each input packet" },
4385 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4386 "when dumping packets, also dump the payload" },
4387 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4388 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
4389 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "number of times to loop output in formats that support looping (0 loops forever)", "" },
4390 { "v", HAS_ARG, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
4391 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4392 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4393 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4394 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4395 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4396 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4397 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4398 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4399 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4400 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4401 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4402 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4405 { "b", HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4406 { "vb", HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4407 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4408 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4409 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4410 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4411 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format, 'list' as argument shows all the pixel formats supported", "format" },
4412 { "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" },
4413 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4414 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4415 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4416 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4417 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4418 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4419 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4420 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4421 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4422 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4423 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4424 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4425 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4426 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4427 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_codec}, "force video codec ('copy' to copy stream)", "codec" },
4428 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
4429 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
4430 "use same quantizer as source (implies VBR)" },
4431 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4432 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4433 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4434 "deinterlace pictures" },
4435 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4436 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4437 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4439 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4441 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4442 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4443 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4444 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4445 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4446 { "newvideo", OPT_VIDEO, {(void*)opt_new_stream}, "add a new video stream to the current output stream" },
4447 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4448 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4449 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4450 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4451 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4454 { "ab", HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4455 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4456 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4457 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4458 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4459 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4460 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4461 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4462 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4463 { "newaudio", OPT_AUDIO, {(void*)opt_new_stream}, "add a new audio stream to the current output stream" },
4464 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4465 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_sample_fmt}, "set sample format, 'list' as argument shows all the sample formats supported", "format" },
4467 /* subtitle options */
4468 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4469 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4470 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_stream}, "add a new subtitle stream to the current output stream" },
4471 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4472 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4475 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
4476 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
4477 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4480 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4481 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4483 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4484 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4485 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4487 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4488 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4489 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4490 { "fpre", HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
4491 /* data codec support */
4492 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_codec}, "force data codec ('copy' to copy stream)", "codec" },
4494 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4498 int main(int argc, char **argv)
4502 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4504 if(argc>1 && !strcmp(argv[1], "-d")){
4507 av_log_set_callback(log_callback_null);
4512 avcodec_register_all();
4514 avdevice_register_all();
4517 avfilter_register_all();
4522 if(isatty(STDIN_FILENO))
4523 avio_set_interrupt_cb(decode_interrupt_cb);
4532 parse_options(argc, argv, options, opt_output_file);
4534 if(nb_output_files <= 0 && nb_input_files == 0) {
4536 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffmpeg'\n");
4540 /* file converter / grab */
4541 if (nb_output_files <= 0) {
4542 fprintf(stderr, "At least one output file must be specified\n");
4546 if (nb_input_files == 0) {
4547 fprintf(stderr, "At least one input file must be specified\n");
4552 if (transcode(output_files, nb_output_files, input_files, nb_input_files,
4553 stream_maps, nb_stream_maps) < 0)
4555 ti = getutime() - ti;
4557 int maxrss = getmaxrss() / 1024;
4558 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4561 return ffmpeg_exit(0);