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
22 /* needed for usleep() */
23 #define _XOPEN_SOURCE 600
34 #include "libavformat/avformat.h"
35 #include "libavdevice/avdevice.h"
36 #include "libswscale/swscale.h"
37 #include "libavutil/opt.h"
38 #include "libavcodec/audioconvert.h"
39 #include "libavutil/audioconvert.h"
40 #include "libavutil/parseutils.h"
41 #include "libavutil/samplefmt.h"
42 #include "libavutil/colorspace.h"
43 #include "libavutil/fifo.h"
44 #include "libavutil/intreadwrite.h"
45 #include "libavutil/pixdesc.h"
46 #include "libavutil/avstring.h"
47 #include "libavutil/libm.h"
48 #include "libavformat/os_support.h"
50 #include "libavformat/ffm.h" // not public API
53 # include "libavfilter/avfilter.h"
54 # include "libavfilter/avfiltergraph.h"
55 # include "libavfilter/vsrc_buffer.h"
58 #if HAVE_SYS_RESOURCE_H
59 #include <sys/types.h>
61 #include <sys/resource.h>
62 #elif HAVE_GETPROCESSTIMES
65 #if HAVE_GETPROCESSMEMORYINFO
71 #include <sys/select.h>
76 #include <sys/ioctl.h>
86 #include "libavutil/avassert.h"
88 const char program_name[] = "ffmpeg";
89 const int program_birth_year = 2000;
91 /* select an input stream for an output stream */
92 typedef struct AVStreamMap {
96 int sync_stream_index;
100 * select an input file for an output file
102 typedef struct AVMetaDataMap {
103 int file; //< file index
104 char type; //< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
105 int index; //< stream/chapter/program number
108 typedef struct AVChapterMap {
113 static const OptionDef options[];
115 #define MAX_FILES 100
116 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
118 static const char *last_asked_format = NULL;
119 static AVFormatContext *input_files[MAX_FILES];
120 static int64_t input_files_ts_offset[MAX_FILES];
121 static double *input_files_ts_scale[MAX_FILES] = {NULL};
122 static AVCodec **input_codecs = NULL;
123 static int nb_input_files = 0;
124 static int nb_input_codecs = 0;
125 static int nb_input_files_ts_scale[MAX_FILES] = {0};
127 static AVFormatContext *output_files[MAX_FILES];
128 static AVCodec **output_codecs = NULL;
129 static int nb_output_files = 0;
130 static int nb_output_codecs = 0;
132 static AVStreamMap *stream_maps = NULL;
133 static int nb_stream_maps;
135 /* first item specifies output metadata, second is input */
136 static AVMetaDataMap (*meta_data_maps)[2] = NULL;
137 static int nb_meta_data_maps;
138 static int metadata_global_autocopy = 1;
139 static int metadata_streams_autocopy = 1;
140 static int metadata_chapters_autocopy = 1;
142 static AVChapterMap *chapter_maps = NULL;
143 static int nb_chapter_maps;
145 /* indexed by output file stream index */
146 static int *streamid_map = NULL;
147 static int nb_streamid_map = 0;
149 static int frame_width = 0;
150 static int frame_height = 0;
151 static float frame_aspect_ratio = 0;
152 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
153 static int frame_bits_per_raw_sample = 0;
154 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
155 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
156 static AVRational frame_rate;
157 static float video_qscale = 0;
158 static uint16_t *intra_matrix = NULL;
159 static uint16_t *inter_matrix = NULL;
160 static const char *video_rc_override_string=NULL;
161 static int video_disable = 0;
162 static int video_discard = 0;
163 static char *video_codec_name = NULL;
164 static unsigned int video_codec_tag = 0;
165 static char *video_language = NULL;
166 static int same_quality = 0;
167 static int do_deinterlace = 0;
168 static int top_field_first = -1;
169 static int me_threshold = 0;
170 static int intra_dc_precision = 8;
171 static int loop_input = 0;
172 static int loop_output = AVFMT_NOOUTPUTLOOP;
173 static int qp_hist = 0;
175 static char *vfilters = NULL;
177 static unsigned int sws_flags = SWS_BICUBIC;
180 static int intra_only = 0;
181 static int audio_sample_rate = 44100;
182 static int64_t channel_layout = 0;
183 #define QSCALE_NONE -99999
184 static float audio_qscale = QSCALE_NONE;
185 static int audio_disable = 0;
186 static int audio_channels = 1;
187 static char *audio_codec_name = NULL;
188 static unsigned int audio_codec_tag = 0;
189 static char *audio_language = NULL;
191 static int subtitle_disable = 0;
192 static char *subtitle_codec_name = NULL;
193 static char *subtitle_language = NULL;
194 static unsigned int subtitle_codec_tag = 0;
196 static int data_disable = 0;
197 static char *data_codec_name = NULL;
198 static unsigned int data_codec_tag = 0;
200 static float mux_preload= 0.5;
201 static float mux_max_delay= 0.7;
203 static int64_t recording_time = INT64_MAX;
204 static int64_t start_time = 0;
205 static int64_t recording_timestamp = 0;
206 static int64_t input_ts_offset = 0;
207 static int file_overwrite = 0;
208 static AVMetadata *metadata;
209 static int do_benchmark = 0;
210 static int do_hex_dump = 0;
211 static int do_pkt_dump = 0;
212 static int do_psnr = 0;
213 static int do_pass = 0;
214 static const char *pass_logfilename_prefix;
215 static int audio_stream_copy = 0;
216 static int video_stream_copy = 0;
217 static int subtitle_stream_copy = 0;
218 static int data_stream_copy = 0;
219 static int video_sync_method= -1;
220 static int audio_sync_method= 0;
221 static float audio_drift_threshold= 0.1;
222 static int copy_ts= 0;
224 static int opt_shortest = 0;
225 static int video_global_header = 0;
226 static char *vstats_filename;
227 static FILE *vstats_file;
228 static int opt_programid = 0;
229 static int copy_initial_nonkeyframes = 0;
231 static int rate_emu = 0;
233 static int video_channel = 0;
234 static char *video_standard;
236 static int audio_volume = 256;
238 static int exit_on_error = 0;
239 static int using_stdin = 0;
240 static int verbose = 1;
241 static int run_as_daemon = 0;
242 static int thread_count= 1;
243 static int q_pressed = 0;
244 static int64_t video_size = 0;
245 static int64_t audio_size = 0;
246 static int64_t extra_size = 0;
247 static int nb_frames_dup = 0;
248 static int nb_frames_drop = 0;
249 static int input_sync;
250 static uint64_t limit_filesize = 0;
251 static int force_fps = 0;
252 static char *forced_key_frames = NULL;
254 static float dts_delta_threshold = 10;
256 static int64_t timer_start;
258 static uint8_t *audio_buf;
259 static uint8_t *audio_out;
260 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
262 static short *samples;
264 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
265 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
266 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
268 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
270 struct AVInputStream;
272 typedef struct AVOutputStream {
273 int file_index; /* file index */
274 int index; /* stream index in the output file */
275 int source_index; /* AVInputStream index */
276 AVStream *st; /* stream in the output file */
277 int encoding_needed; /* true if encoding needed for this stream */
279 /* input pts and corresponding output pts
281 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
282 struct AVInputStream *sync_ist; /* input stream to sync against */
283 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
284 AVBitStreamFilterContext *bitstream_filters;
287 AVFrame pict_tmp; /* temporary image for resampling */
288 struct SwsContext *img_resample_ctx; /* for image resampling */
291 int resample_pix_fmt;
293 float frame_aspect_ratio;
295 /* forced key frames */
296 int64_t *forced_kf_pts;
302 ReSampleContext *resample; /* for audio resampling */
303 int resample_sample_fmt;
304 int resample_channels;
305 int resample_sample_rate;
307 AVAudioConvert *reformat_ctx;
308 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
312 AVFilterContext *output_video_filter;
313 AVFilterContext *input_video_filter;
314 AVFilterBufferRef *picref;
316 AVFilterGraph *graph;
320 static AVOutputStream **output_streams_for_file[MAX_FILES] = { NULL };
321 static int nb_output_streams_for_file[MAX_FILES] = { 0 };
323 typedef struct AVInputStream {
327 int discard; /* true if stream data should be discarded */
328 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
329 int64_t sample_index; /* current sample */
331 int64_t start; /* time when read started */
332 int64_t next_pts; /* synthetic pts for cases where pkt.pts
334 int64_t pts; /* current pts */
335 int is_start; /* is 1 at the start and after a discontinuity */
336 int showed_multi_packet_warning;
337 int is_past_recording_time;
339 AVFrame *filter_frame;
340 int has_filter_frame;
344 typedef struct AVInputFile {
345 int eof_reached; /* true if eof reached */
346 int ist_index; /* index of first stream in ist_table */
347 int buffer_size; /* current total buffer size */
348 int nb_streams; /* nb streams we are aware of */
353 /* init terminal so that we can grab keys */
354 static struct termios oldtty;
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",
395 (int)av_get_int(sws_opts, "sws_flags", NULL));
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", (int)av_get_int(sws_opts, "sws_flags", NULL));
405 ost->graph->scale_sws_opts = av_strdup(args);
408 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
409 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
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]);
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_free(video_codec_name);
561 av_free(audio_codec_name);
562 av_free(subtitle_codec_name);
563 av_free(data_codec_name);
565 av_free(video_standard);
570 allocated_audio_buf_size= allocated_audio_out_size= 0;
577 if (received_sigterm) {
579 "Received signal %d: terminating.\n",
580 (int) received_sigterm);
584 exit(ret); /* not all OS-es handle main() return value */
588 /* similar to ff_dynarray_add() and av_fast_realloc() */
589 static void *grow_array(void *array, int elem_size, int *size, int new_size)
591 if (new_size >= INT_MAX / elem_size) {
592 fprintf(stderr, "Array too big.\n");
595 if (*size < new_size) {
596 uint8_t *tmp = av_realloc(array, new_size*elem_size);
598 fprintf(stderr, "Could not alloc buffer.\n");
601 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
608 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
610 if(codec && codec->sample_fmts){
611 const enum AVSampleFormat *p= codec->sample_fmts;
613 if(*p == st->codec->sample_fmt)
617 av_log(NULL, AV_LOG_WARNING,
618 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
619 av_get_sample_fmt_name(st->codec->sample_fmt),
621 av_get_sample_fmt_name(codec->sample_fmts[0]));
622 st->codec->sample_fmt = codec->sample_fmts[0];
627 static void choose_sample_rate(AVStream *st, AVCodec *codec)
629 if(codec && codec->supported_samplerates){
630 const int *p= codec->supported_samplerates;
632 int best_dist=INT_MAX;
634 int dist= abs(st->codec->sample_rate - *p);
635 if(dist < best_dist){
641 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
643 st->codec->sample_rate= best;
647 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
649 if(codec && codec->pix_fmts){
650 const enum PixelFormat *p= codec->pix_fmts;
651 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
652 if(st->codec->codec_id==CODEC_ID_MJPEG){
653 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
654 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
655 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};
659 if(*p == st->codec->pix_fmt)
663 if(st->codec->pix_fmt != PIX_FMT_NONE)
664 av_log(NULL, AV_LOG_WARNING,
665 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
666 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
668 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
669 st->codec->pix_fmt = codec->pix_fmts[0];
674 static AVOutputStream *new_output_stream(AVFormatContext *oc, int file_idx)
676 int idx = oc->nb_streams - 1;
679 output_streams_for_file[file_idx] =
680 grow_array(output_streams_for_file[file_idx],
681 sizeof(*output_streams_for_file[file_idx]),
682 &nb_output_streams_for_file[file_idx],
684 ost = output_streams_for_file[file_idx][idx] =
685 av_mallocz(sizeof(AVOutputStream));
687 fprintf(stderr, "Could not alloc output stream\n");
690 ost->file_index = file_idx;
695 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
701 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
704 /* copy stream format */
706 for(i=0;i<ic->nb_streams;i++) {
712 // FIXME: a more elegant solution is needed
713 st = av_mallocz(sizeof(AVStream));
714 memcpy(st, ic->streams[i], sizeof(AVStream));
715 st->codec = avcodec_alloc_context();
717 print_error(filename, AVERROR(ENOMEM));
720 avcodec_copy_context(st->codec, ic->streams[i]->codec);
723 codec = avcodec_find_encoder(st->codec->codec_id);
724 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
725 if (audio_stream_copy) {
728 choose_sample_fmt(st, codec);
729 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
730 if (video_stream_copy) {
733 choose_pixel_fmt(st, codec);
736 if(st->codec->flags & CODEC_FLAG_BITEXACT)
739 new_output_stream(s, nb_output_files);
743 s->timestamp = av_gettime();
745 av_close_input_file(ic);
750 get_sync_ipts(const AVOutputStream *ost)
752 const AVInputStream *ist = ost->sync_ist;
753 return (double)(ist->pts - start_time)/AV_TIME_BASE;
756 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
760 AVPacket new_pkt= *pkt;
761 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
762 &new_pkt.data, &new_pkt.size,
763 pkt->data, pkt->size,
764 pkt->flags & AV_PKT_FLAG_KEY);
767 new_pkt.destruct= av_destruct_packet;
769 fprintf(stderr, "%s failed for stream %d, codec %s",
770 bsfc->filter->name, pkt->stream_index,
771 avctx->codec ? avctx->codec->name : "copy");
781 ret= av_interleaved_write_frame(s, pkt);
783 print_error("av_interleaved_write_frame()", ret);
788 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
790 static void do_audio_out(AVFormatContext *s,
793 unsigned char *buf, int size)
796 int64_t audio_out_size, audio_buf_size;
797 int64_t allocated_for_size= size;
799 int size_out, frame_bytes, ret, resample_changed;
800 AVCodecContext *enc= ost->st->codec;
801 AVCodecContext *dec= ist->st->codec;
802 int osize= av_get_bits_per_sample_fmt(enc->sample_fmt)/8;
803 int isize= av_get_bits_per_sample_fmt(dec->sample_fmt)/8;
804 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
807 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
808 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
809 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
810 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
811 audio_buf_size*= osize*enc->channels;
813 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
814 if(coded_bps > 8*osize)
815 audio_out_size= audio_out_size * coded_bps / (8*osize);
816 audio_out_size += FF_MIN_BUFFER_SIZE;
818 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
819 fprintf(stderr, "Buffer sizes too large\n");
823 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
824 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
825 if (!audio_buf || !audio_out){
826 fprintf(stderr, "Out of memory in do_audio_out\n");
830 if (enc->channels != dec->channels)
831 ost->audio_resample = 1;
833 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
834 ost->resample_channels != dec->channels ||
835 ost->resample_sample_rate != dec->sample_rate;
837 if ((ost->audio_resample && !ost->resample) || resample_changed) {
838 if (resample_changed) {
839 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",
840 ist->file_index, ist->index,
841 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
842 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
843 ost->resample_sample_fmt = dec->sample_fmt;
844 ost->resample_channels = dec->channels;
845 ost->resample_sample_rate = dec->sample_rate;
847 audio_resample_close(ost->resample);
849 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
850 if (audio_sync_method <= 1 &&
851 ost->resample_sample_fmt == enc->sample_fmt &&
852 ost->resample_channels == enc->channels &&
853 ost->resample_sample_rate == enc->sample_rate) {
854 ost->resample = NULL;
855 ost->audio_resample = 0;
857 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
858 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
859 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
860 enc->sample_rate, dec->sample_rate,
861 enc->sample_fmt, dec->sample_fmt,
863 if (!ost->resample) {
864 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
865 dec->channels, dec->sample_rate,
866 enc->channels, enc->sample_rate);
872 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
873 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
874 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
875 if (ost->reformat_ctx)
876 av_audio_convert_free(ost->reformat_ctx);
877 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
878 dec->sample_fmt, 1, NULL, 0);
879 if (!ost->reformat_ctx) {
880 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
881 av_get_sample_fmt_name(dec->sample_fmt),
882 av_get_sample_fmt_name(enc->sample_fmt));
885 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
888 if(audio_sync_method){
889 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
890 - av_fifo_size(ost->fifo)/(enc->channels * 2);
891 double idelta= delta*dec->sample_rate / enc->sample_rate;
892 int byte_delta= ((int)idelta)*2*dec->channels;
894 //FIXME resample delay
895 if(fabs(delta) > 50){
896 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
898 byte_delta= FFMAX(byte_delta, -size);
902 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
907 static uint8_t *input_tmp= NULL;
908 input_tmp= av_realloc(input_tmp, byte_delta + size);
910 if(byte_delta > allocated_for_size - size){
911 allocated_for_size= byte_delta + (int64_t)size;
916 memset(input_tmp, 0, byte_delta);
917 memcpy(input_tmp + byte_delta, buf, size);
921 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
923 }else if(audio_sync_method>1){
924 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
925 av_assert0(ost->audio_resample);
927 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
928 // 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));
929 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
933 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
934 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
936 if (ost->audio_resample) {
938 size_out = audio_resample(ost->resample,
939 (short *)buftmp, (short *)buf,
940 size / (dec->channels * isize));
941 size_out = size_out * enc->channels * osize;
947 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
948 const void *ibuf[6]= {buftmp};
949 void *obuf[6]= {audio_buf};
950 int istride[6]= {isize};
951 int ostride[6]= {osize};
952 int len= size_out/istride[0];
953 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
954 printf("av_audio_convert() failed\n");
960 size_out = len*osize;
963 /* now encode as many frames as possible */
964 if (enc->frame_size > 1) {
965 /* output resampled raw samples */
966 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
967 fprintf(stderr, "av_fifo_realloc2() failed\n");
970 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
972 frame_bytes = enc->frame_size * osize * enc->channels;
974 while (av_fifo_size(ost->fifo) >= frame_bytes) {
976 av_init_packet(&pkt);
978 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
980 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
982 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
985 fprintf(stderr, "Audio encoding failed\n");
989 pkt.stream_index= ost->index;
992 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
993 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
994 pkt.flags |= AV_PKT_FLAG_KEY;
995 write_frame(s, &pkt, enc, ost->bitstream_filters);
997 ost->sync_opts += enc->frame_size;
1001 av_init_packet(&pkt);
1003 ost->sync_opts += size_out / (osize * enc->channels);
1005 /* output a pcm frame */
1006 /* determine the size of the coded buffer */
1009 size_out = size_out*coded_bps/8;
1011 if(size_out > audio_out_size){
1012 fprintf(stderr, "Internal error, buffer size too small\n");
1016 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1017 ret = avcodec_encode_audio(enc, audio_out, size_out,
1020 fprintf(stderr, "Audio encoding failed\n");
1024 pkt.stream_index= ost->index;
1025 pkt.data= audio_out;
1027 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1028 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1029 pkt.flags |= AV_PKT_FLAG_KEY;
1030 write_frame(s, &pkt, enc, ost->bitstream_filters);
1034 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
1036 AVCodecContext *dec;
1037 AVPicture *picture2;
1038 AVPicture picture_tmp;
1041 dec = ist->st->codec;
1043 /* deinterlace : must be done before any resize */
1044 if (do_deinterlace) {
1047 /* create temporary picture */
1048 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1049 buf = av_malloc(size);
1053 picture2 = &picture_tmp;
1054 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1056 if(avpicture_deinterlace(picture2, picture,
1057 dec->pix_fmt, dec->width, dec->height) < 0) {
1058 /* if error, do not deinterlace */
1059 fprintf(stderr, "Deinterlacing failed\n");
1068 if (picture != picture2)
1069 *picture = *picture2;
1073 /* we begin to correct av delay at this threshold */
1074 #define AV_DELAY_MAX 0.100
1076 static void do_subtitle_out(AVFormatContext *s,
1077 AVOutputStream *ost,
1082 static uint8_t *subtitle_out = NULL;
1083 int subtitle_out_max_size = 1024 * 1024;
1084 int subtitle_out_size, nb, i;
1085 AVCodecContext *enc;
1088 if (pts == AV_NOPTS_VALUE) {
1089 fprintf(stderr, "Subtitle packets must have a pts\n");
1095 enc = ost->st->codec;
1097 if (!subtitle_out) {
1098 subtitle_out = av_malloc(subtitle_out_max_size);
1101 /* Note: DVB subtitle need one packet to draw them and one other
1102 packet to clear them */
1103 /* XXX: signal it in the codec context ? */
1104 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1109 for(i = 0; i < nb; i++) {
1110 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1111 // start_display_time is required to be 0
1112 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1113 sub->end_display_time -= sub->start_display_time;
1114 sub->start_display_time = 0;
1115 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1116 subtitle_out_max_size, sub);
1117 if (subtitle_out_size < 0) {
1118 fprintf(stderr, "Subtitle encoding failed\n");
1122 av_init_packet(&pkt);
1123 pkt.stream_index = ost->index;
1124 pkt.data = subtitle_out;
1125 pkt.size = subtitle_out_size;
1126 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1127 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1128 /* XXX: the pts correction is handled here. Maybe handling
1129 it in the codec would be better */
1131 pkt.pts += 90 * sub->start_display_time;
1133 pkt.pts += 90 * sub->end_display_time;
1135 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1139 static int bit_buffer_size= 1024*256;
1140 static uint8_t *bit_buffer= NULL;
1142 static void do_video_out(AVFormatContext *s,
1143 AVOutputStream *ost,
1145 AVFrame *in_picture,
1148 int nb_frames, i, ret, resample_changed;
1149 AVFrame *final_picture, *formatted_picture, *resampling_dst;
1150 AVCodecContext *enc, *dec;
1153 enc = ost->st->codec;
1154 dec = ist->st->codec;
1156 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1158 /* by default, we output a single frame */
1163 if(video_sync_method){
1164 double vdelta = sync_ipts - ost->sync_opts;
1165 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1168 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1171 }else if(vdelta>0.6)
1172 ost->sync_opts= lrintf(sync_ipts);
1173 }else if (vdelta > 1.1)
1174 nb_frames = lrintf(vdelta);
1175 //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);
1176 if (nb_frames == 0){
1179 fprintf(stderr, "*** drop!\n");
1180 }else if (nb_frames > 1) {
1181 nb_frames_dup += nb_frames - 1;
1183 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1186 ost->sync_opts= lrintf(sync_ipts);
1188 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1192 formatted_picture = in_picture;
1193 final_picture = formatted_picture;
1194 resampling_dst = &ost->pict_tmp;
1196 resample_changed = ost->resample_width != dec->width ||
1197 ost->resample_height != dec->height ||
1198 ost->resample_pix_fmt != dec->pix_fmt;
1200 if (resample_changed) {
1201 av_log(NULL, AV_LOG_INFO,
1202 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1203 ist->file_index, ist->index,
1204 ost->resample_width, ost->resample_height, avcodec_get_pix_fmt_name(ost->resample_pix_fmt),
1205 dec->width , dec->height , avcodec_get_pix_fmt_name(dec->pix_fmt));
1206 if(!ost->video_resample)
1210 #if !CONFIG_AVFILTER
1211 if (ost->video_resample) {
1212 final_picture = &ost->pict_tmp;
1213 if (resample_changed) {
1214 /* initialize a new scaler context */
1215 sws_freeContext(ost->img_resample_ctx);
1216 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1217 ost->img_resample_ctx = sws_getContext(
1218 ist->st->codec->width,
1219 ist->st->codec->height,
1220 ist->st->codec->pix_fmt,
1221 ost->st->codec->width,
1222 ost->st->codec->height,
1223 ost->st->codec->pix_fmt,
1224 sws_flags, NULL, NULL, NULL);
1225 if (ost->img_resample_ctx == NULL) {
1226 fprintf(stderr, "Cannot get resampling context\n");
1230 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1231 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1235 /* duplicates frame if needed */
1236 for(i=0;i<nb_frames;i++) {
1238 av_init_packet(&pkt);
1239 pkt.stream_index= ost->index;
1241 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1242 /* raw pictures are written as AVPicture structure to
1243 avoid any copies. We support temorarily the older
1245 AVFrame* old_frame = enc->coded_frame;
1246 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1247 pkt.data= (uint8_t *)final_picture;
1248 pkt.size= sizeof(AVPicture);
1249 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1250 pkt.flags |= AV_PKT_FLAG_KEY;
1252 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1253 enc->coded_frame = old_frame;
1255 AVFrame big_picture;
1257 big_picture= *final_picture;
1258 /* better than nothing: use input picture interlaced
1260 big_picture.interlaced_frame = in_picture->interlaced_frame;
1261 if(avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1262 if(top_field_first == -1)
1263 big_picture.top_field_first = in_picture->top_field_first;
1265 big_picture.top_field_first = top_field_first;
1268 /* handles sameq here. This is not correct because it may
1269 not be a global option */
1270 big_picture.quality = same_quality ? ist->st->quality : ost->st->quality;
1272 big_picture.pict_type = 0;
1273 // big_picture.pts = AV_NOPTS_VALUE;
1274 big_picture.pts= ost->sync_opts;
1275 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1276 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1277 if (ost->forced_kf_index < ost->forced_kf_count &&
1278 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1279 big_picture.pict_type = AV_PICTURE_TYPE_I;
1280 ost->forced_kf_index++;
1282 ret = avcodec_encode_video(enc,
1283 bit_buffer, bit_buffer_size,
1286 fprintf(stderr, "Video encoding failed\n");
1291 pkt.data= bit_buffer;
1293 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1294 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1295 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1296 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1297 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1299 if(enc->coded_frame->key_frame)
1300 pkt.flags |= AV_PKT_FLAG_KEY;
1301 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1304 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1305 // enc->frame_number-1, ret, enc->pict_type);
1306 /* if two pass, output log */
1307 if (ost->logfile && enc->stats_out) {
1308 fprintf(ost->logfile, "%s", enc->stats_out);
1313 ost->frame_number++;
1317 static double psnr(double d){
1318 return -10.0*log(d)/log(10.0);
1321 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1324 AVCodecContext *enc;
1326 double ti1, bitrate, avg_bitrate;
1328 /* this is executed just the first time do_video_stats is called */
1330 vstats_file = fopen(vstats_filename, "w");
1337 enc = ost->st->codec;
1338 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1339 frame_number = ost->frame_number;
1340 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1341 if (enc->flags&CODEC_FLAG_PSNR)
1342 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1344 fprintf(vstats_file,"f_size= %6d ", frame_size);
1345 /* compute pts value */
1346 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1350 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1351 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1352 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1353 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1354 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1358 static void print_report(AVFormatContext **output_files,
1359 AVOutputStream **ost_table, int nb_ostreams,
1363 AVOutputStream *ost;
1364 AVFormatContext *oc;
1366 AVCodecContext *enc;
1367 int frame_number, vid, i;
1368 double bitrate, ti1, pts;
1369 static int64_t last_time = -1;
1370 static int qp_histogram[52];
1372 if (!is_last_report) {
1374 /* display the report every 0.5 seconds */
1375 cur_time = av_gettime();
1376 if (last_time == -1) {
1377 last_time = cur_time;
1380 if ((cur_time - last_time) < 500000)
1382 last_time = cur_time;
1386 oc = output_files[0];
1388 total_size = avio_size(oc->pb);
1389 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1390 total_size= avio_tell(oc->pb);
1395 for(i=0;i<nb_ostreams;i++) {
1398 enc = ost->st->codec;
1399 if(!ost->st->stream_copy && enc->coded_frame)
1400 q= enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1401 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1402 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1404 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1405 float t = (av_gettime()-timer_start) / 1000000.0;
1407 frame_number = ost->frame_number;
1408 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1409 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1411 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1415 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1418 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1420 if (enc->flags&CODEC_FLAG_PSNR){
1422 double error, error_sum=0;
1423 double scale, scale_sum=0;
1424 char type[3]= {'Y','U','V'};
1425 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1428 error= enc->error[j];
1429 scale= enc->width*enc->height*255.0*255.0*frame_number;
1431 error= enc->coded_frame->error[j];
1432 scale= enc->width*enc->height*255.0*255.0;
1437 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1439 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1443 /* compute min output value */
1444 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1445 if ((pts < ti1) && (pts > 0))
1451 if (verbose > 0 || is_last_report) {
1452 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1454 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1455 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1456 (double)total_size / 1024, ti1, bitrate);
1458 if (nb_frames_dup || nb_frames_drop)
1459 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1460 nb_frames_dup, nb_frames_drop);
1463 fprintf(stderr, "%s \r", buf);
1468 if (is_last_report && verbose >= 0){
1469 int64_t raw= audio_size + video_size + extra_size;
1470 fprintf(stderr, "\n");
1471 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1475 100.0*(total_size - raw)/raw
1480 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1482 int fill_char = 0x00;
1483 if (sample_fmt == AV_SAMPLE_FMT_U8)
1485 memset(buf, fill_char, size);
1488 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1489 static int output_packet(AVInputStream *ist, int ist_index,
1490 AVOutputStream **ost_table, int nb_ostreams,
1491 const AVPacket *pkt)
1493 AVFormatContext *os;
1494 AVOutputStream *ost;
1498 void *buffer_to_free = NULL;
1499 static unsigned int samples_size= 0;
1500 AVSubtitle subtitle, *subtitle_to_free;
1501 int64_t pkt_pts = AV_NOPTS_VALUE;
1503 int frame_available;
1507 int bps = av_get_bits_per_sample_fmt(ist->st->codec->sample_fmt)>>3;
1509 if(ist->next_pts == AV_NOPTS_VALUE)
1510 ist->next_pts= ist->pts;
1514 av_init_packet(&avpkt);
1522 if(pkt->dts != AV_NOPTS_VALUE)
1523 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1524 if(pkt->pts != AV_NOPTS_VALUE)
1525 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1527 //while we have more to decode or while the decoder did output something on EOF
1528 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1529 uint8_t *data_buf, *decoded_data_buf;
1530 int data_size, decoded_data_size;
1532 ist->pts= ist->next_pts;
1534 if(avpkt.size && avpkt.size != pkt->size &&
1535 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1536 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1537 ist->showed_multi_packet_warning=1;
1540 /* decode the packet if needed */
1541 decoded_data_buf = NULL; /* fail safe */
1542 decoded_data_size= 0;
1543 data_buf = avpkt.data;
1544 data_size = avpkt.size;
1545 subtitle_to_free = NULL;
1546 if (ist->decoding_needed) {
1547 switch(ist->st->codec->codec_type) {
1548 case AVMEDIA_TYPE_AUDIO:{
1549 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1550 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1552 samples= av_malloc(samples_size);
1554 decoded_data_size= samples_size;
1555 /* XXX: could avoid copy if PCM 16 bits with same
1556 endianness as CPU */
1557 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1564 /* Some bug in mpeg audio decoder gives */
1565 /* decoded_data_size < 0, it seems they are overflows */
1566 if (decoded_data_size <= 0) {
1567 /* no audio frame */
1570 decoded_data_buf = (uint8_t *)samples;
1571 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1572 (ist->st->codec->sample_rate * ist->st->codec->channels);
1574 case AVMEDIA_TYPE_VIDEO:
1575 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1576 /* XXX: allocate picture correctly */
1577 avcodec_get_frame_defaults(&picture);
1578 avpkt.pts = pkt_pts;
1579 avpkt.dts = ist->pts;
1580 pkt_pts = AV_NOPTS_VALUE;
1582 ret = avcodec_decode_video2(ist->st->codec,
1583 &picture, &got_picture, &avpkt);
1584 ist->st->quality= picture.quality;
1588 /* no picture yet */
1589 goto discard_packet;
1591 ist->next_pts = ist->pts = picture.best_effort_timestamp;
1592 if (ist->st->codec->time_base.num != 0) {
1593 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1594 ist->next_pts += ((int64_t)AV_TIME_BASE *
1595 ist->st->codec->time_base.num * ticks) /
1596 ist->st->codec->time_base.den;
1599 buffer_to_free = NULL;
1600 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1602 case AVMEDIA_TYPE_SUBTITLE:
1603 ret = avcodec_decode_subtitle2(ist->st->codec,
1604 &subtitle, &got_picture, &avpkt);
1608 goto discard_packet;
1610 subtitle_to_free = &subtitle;
1617 switch(ist->st->codec->codec_type) {
1618 case AVMEDIA_TYPE_AUDIO:
1619 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1620 ist->st->codec->sample_rate;
1622 case AVMEDIA_TYPE_VIDEO:
1623 if (ist->st->codec->time_base.num != 0) {
1624 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1625 ist->next_pts += ((int64_t)AV_TIME_BASE *
1626 ist->st->codec->time_base.num * ticks) /
1627 ist->st->codec->time_base.den;
1636 if(ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO){
1637 for(i=0;i<nb_ostreams;i++) {
1639 if (ost->input_video_filter && ost->source_index == ist_index) {
1640 if (!picture.sample_aspect_ratio.num)
1641 picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
1642 // add it to be filtered
1643 av_vsrc_buffer_add_frame2(ost->input_video_filter, &picture,
1645 ist->st->codec->width, ist->st->codec->height,
1646 ist->st->codec->pix_fmt, ""); //TODO user setable params
1652 // preprocess audio (volume)
1653 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1654 if (audio_volume != 256) {
1657 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1658 int v = ((*volp) * audio_volume + 128) >> 8;
1659 if (v < -32768) v = -32768;
1660 if (v > 32767) v = 32767;
1666 /* frame rate emulation */
1668 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1669 int64_t now = av_gettime() - ist->start;
1673 /* if output time reached then transcode raw format,
1674 encode packets and output them */
1675 if (start_time == 0 || ist->pts >= start_time)
1676 for(i=0;i<nb_ostreams;i++) {
1680 if (ost->source_index == ist_index) {
1682 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1683 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1684 while (frame_available) {
1685 AVRational ist_pts_tb;
1686 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1687 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1689 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1691 os = output_files[ost->file_index];
1693 /* set the input output pts pairs */
1694 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1696 if (ost->encoding_needed) {
1697 av_assert0(ist->decoding_needed);
1698 switch(ost->st->codec->codec_type) {
1699 case AVMEDIA_TYPE_AUDIO:
1700 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1702 case AVMEDIA_TYPE_VIDEO:
1704 if (ost->picref->video && !ost->frame_aspect_ratio)
1705 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1707 do_video_out(os, ost, ist, &picture, &frame_size);
1708 if (vstats_filename && frame_size)
1709 do_video_stats(os, ost, frame_size);
1711 case AVMEDIA_TYPE_SUBTITLE:
1712 do_subtitle_out(os, ost, ist, &subtitle,
1719 AVFrame avframe; //FIXME/XXX remove this
1721 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1723 av_init_packet(&opkt);
1725 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1726 #if !CONFIG_AVFILTER
1732 /* no reencoding needed : output the packet directly */
1733 /* force the input stream PTS */
1735 avcodec_get_frame_defaults(&avframe);
1736 ost->st->codec->coded_frame= &avframe;
1737 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1739 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1740 audio_size += data_size;
1741 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1742 video_size += data_size;
1746 opkt.stream_index= ost->index;
1747 if(pkt->pts != AV_NOPTS_VALUE)
1748 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1750 opkt.pts= AV_NOPTS_VALUE;
1752 if (pkt->dts == AV_NOPTS_VALUE)
1753 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1755 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1756 opkt.dts -= ost_tb_start_time;
1758 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1759 opkt.flags= pkt->flags;
1761 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1762 if( ost->st->codec->codec_id != CODEC_ID_H264
1763 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1764 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1766 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1767 opkt.destruct= av_destruct_packet;
1769 opkt.data = data_buf;
1770 opkt.size = data_size;
1773 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1774 ost->st->codec->frame_number++;
1775 ost->frame_number++;
1776 av_free_packet(&opkt);
1780 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1781 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1783 avfilter_unref_buffer(ost->picref);
1789 av_free(buffer_to_free);
1790 /* XXX: allocate the subtitles in the codec ? */
1791 if (subtitle_to_free) {
1792 avsubtitle_free(subtitle_to_free);
1793 subtitle_to_free = NULL;
1800 for(i=0;i<nb_ostreams;i++) {
1802 if (ost->source_index == ist_index) {
1803 AVCodecContext *enc= ost->st->codec;
1804 os = output_files[ost->file_index];
1806 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1808 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1811 if (ost->encoding_needed) {
1815 av_init_packet(&pkt);
1816 pkt.stream_index= ost->index;
1818 switch(ost->st->codec->codec_type) {
1819 case AVMEDIA_TYPE_AUDIO:
1820 fifo_bytes = av_fifo_size(ost->fifo);
1822 /* encode any samples remaining in fifo */
1823 if (fifo_bytes > 0) {
1824 int osize = av_get_bits_per_sample_fmt(enc->sample_fmt) >> 3;
1825 int fs_tmp = enc->frame_size;
1827 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1828 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1829 enc->frame_size = fifo_bytes / (osize * enc->channels);
1831 int frame_bytes = enc->frame_size*osize*enc->channels;
1832 if (allocated_audio_buf_size < frame_bytes)
1834 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1837 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1838 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1839 ost->st->time_base.num, enc->sample_rate);
1840 enc->frame_size = fs_tmp;
1843 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1846 fprintf(stderr, "Audio encoding failed\n");
1850 pkt.flags |= AV_PKT_FLAG_KEY;
1852 case AVMEDIA_TYPE_VIDEO:
1853 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1855 fprintf(stderr, "Video encoding failed\n");
1859 if(enc->coded_frame && enc->coded_frame->key_frame)
1860 pkt.flags |= AV_PKT_FLAG_KEY;
1861 if (ost->logfile && enc->stats_out) {
1862 fprintf(ost->logfile, "%s", enc->stats_out);
1871 pkt.data= bit_buffer;
1873 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1874 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1875 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1887 static void print_sdp(AVFormatContext **avc, int n)
1891 av_sdp_create(avc, n, sdp, sizeof(sdp));
1892 printf("SDP:\n%s\n", sdp);
1896 static int copy_chapters(int infile, int outfile)
1898 AVFormatContext *is = input_files[infile];
1899 AVFormatContext *os = output_files[outfile];
1902 for (i = 0; i < is->nb_chapters; i++) {
1903 AVChapter *in_ch = is->chapters[i], *out_ch;
1904 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
1905 AV_TIME_BASE_Q, in_ch->time_base);
1906 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1907 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1910 if (in_ch->end < ts_off)
1912 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1915 out_ch = av_mallocz(sizeof(AVChapter));
1917 return AVERROR(ENOMEM);
1919 out_ch->id = in_ch->id;
1920 out_ch->time_base = in_ch->time_base;
1921 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1922 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1924 if (metadata_chapters_autocopy)
1925 av_metadata_copy(&out_ch->metadata, in_ch->metadata, 0);
1928 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1930 return AVERROR(ENOMEM);
1931 os->chapters[os->nb_chapters - 1] = out_ch;
1936 static void parse_forced_key_frames(char *kf, AVOutputStream *ost,
1937 AVCodecContext *avctx)
1943 for (p = kf; *p; p++)
1946 ost->forced_kf_count = n;
1947 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1948 if (!ost->forced_kf_pts) {
1949 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1952 for (i = 0; i < n; i++) {
1953 p = i ? strchr(p, ',') + 1 : kf;
1954 t = parse_time_or_die("force_key_frames", p, 1);
1955 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1960 * The following code is the main loop of the file converter
1962 static int transcode(AVFormatContext **output_files,
1963 int nb_output_files,
1964 AVFormatContext **input_files,
1966 AVStreamMap *stream_maps, int nb_stream_maps)
1968 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0, step;
1969 AVFormatContext *is, *os;
1970 AVCodecContext *codec, *icodec;
1971 AVOutputStream *ost, **ost_table = NULL;
1972 AVInputStream *ist, **ist_table = NULL;
1973 AVInputFile *file_table;
1977 uint8_t no_packet[MAX_FILES]={0};
1978 int no_packet_count=0;
1979 int nb_frame_threshold[AVMEDIA_TYPE_NB]={0};
1980 int nb_streams[AVMEDIA_TYPE_NB]={0};
1982 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1986 /* input stream init */
1988 for(i=0;i<nb_input_files;i++) {
1989 is = input_files[i];
1990 file_table[i].ist_index = j;
1991 file_table[i].nb_streams = is->nb_streams;
1992 j += is->nb_streams;
1996 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
2000 for(i=0;i<nb_istreams;i++) {
2001 ist = av_mallocz(sizeof(AVInputStream));
2007 for(i=0;i<nb_input_files;i++) {
2008 is = input_files[i];
2009 for(k=0;k<is->nb_streams;k++) {
2010 ist = ist_table[j++];
2011 ist->st = is->streams[k];
2012 ist->file_index = i;
2014 ist->discard = 1; /* the stream is discarded by default
2018 ist->start = av_gettime();
2023 /* output stream init */
2025 for(i=0;i<nb_output_files;i++) {
2026 os = output_files[i];
2027 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
2028 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2029 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
2030 ret = AVERROR(EINVAL);
2033 nb_ostreams += os->nb_streams;
2035 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
2036 fprintf(stderr, "Number of stream maps must match number of output streams\n");
2037 ret = AVERROR(EINVAL);
2041 /* Sanity check the mapping args -- do the input files & streams exist? */
2042 for(i=0;i<nb_stream_maps;i++) {
2043 int fi = stream_maps[i].file_index;
2044 int si = stream_maps[i].stream_index;
2046 if (fi < 0 || fi > nb_input_files - 1 ||
2047 si < 0 || si > file_table[fi].nb_streams - 1) {
2048 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
2049 ret = AVERROR(EINVAL);
2052 fi = stream_maps[i].sync_file_index;
2053 si = stream_maps[i].sync_stream_index;
2054 if (fi < 0 || fi > nb_input_files - 1 ||
2055 si < 0 || si > file_table[fi].nb_streams - 1) {
2056 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
2057 ret = AVERROR(EINVAL);
2062 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
2066 for(k=0;k<nb_output_files;k++) {
2067 os = output_files[k];
2068 for(i=0;i<os->nb_streams;i++,n++) {
2069 nb_streams[os->streams[i]->codec->codec_type]++;
2072 for(step=1<<30; step; step>>=1){
2073 int found_streams[AVMEDIA_TYPE_NB]={0};
2074 for(j=0; j<AVMEDIA_TYPE_NB; j++)
2075 nb_frame_threshold[j] += step;
2077 for(j=0; j<nb_istreams; j++) {
2082 AVFormatContext *f= input_files[ ist->file_index ];
2084 for(pi=0; pi<f->nb_programs; pi++){
2085 AVProgram *p= f->programs[pi];
2086 if(p->id == opt_programid)
2087 for(si=0; si<p->nb_stream_indexes; si++){
2088 if(f->streams[ p->stream_index[si] ] == ist->st)
2093 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip
2094 && nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames){
2095 found_streams[ist->st->codec->codec_type]++;
2098 for(j=0; j<AVMEDIA_TYPE_NB; j++)
2099 if(found_streams[j] < nb_streams[j])
2100 nb_frame_threshold[j] -= step;
2103 for(k=0;k<nb_output_files;k++) {
2104 os = output_files[k];
2105 for(i=0;i<os->nb_streams;i++,n++) {
2107 ost = ost_table[n] = output_streams_for_file[k][i];
2108 ost->st = os->streams[i];
2109 if (nb_stream_maps > 0) {
2110 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
2111 stream_maps[n].stream_index;
2113 /* Sanity check that the stream types match */
2114 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
2115 int i= ost->file_index;
2116 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2117 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2118 stream_maps[n].file_index, stream_maps[n].stream_index,
2119 ost->file_index, ost->index);
2124 /* get corresponding input stream index : we select the first one with the right type */
2126 for(j=0;j<nb_istreams;j++) {
2131 AVFormatContext *f= input_files[ ist->file_index ];
2133 for(pi=0; pi<f->nb_programs; pi++){
2134 AVProgram *p= f->programs[pi];
2135 if(p->id == opt_programid)
2136 for(si=0; si<p->nb_stream_indexes; si++){
2137 if(f->streams[ p->stream_index[si] ] == ist->st)
2142 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2143 ist->st->codec->codec_type == ost->st->codec->codec_type &&
2144 nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames) {
2145 ost->source_index = j;
2152 if(! opt_programid) {
2153 /* try again and reuse existing stream */
2154 for(j=0;j<nb_istreams;j++) {
2156 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2157 && ist->st->discard != AVDISCARD_ALL) {
2158 ost->source_index = j;
2164 int i= ost->file_index;
2165 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2166 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2167 ost->file_index, ost->index);
2172 ist = ist_table[ost->source_index];
2174 ost->sync_ist = (nb_stream_maps > 0) ?
2175 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
2176 stream_maps[n].sync_stream_index] : ist;
2180 /* for each output stream, we compute the right encoding parameters */
2181 for(i=0;i<nb_ostreams;i++) {
2183 os = output_files[ost->file_index];
2184 ist = ist_table[ost->source_index];
2186 codec = ost->st->codec;
2187 icodec = ist->st->codec;
2189 if (metadata_streams_autocopy)
2190 av_metadata_copy(&ost->st->metadata, ist->st->metadata,
2191 AV_METADATA_DONT_OVERWRITE);
2193 ost->st->disposition = ist->st->disposition;
2194 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2195 codec->chroma_sample_location = icodec->chroma_sample_location;
2197 if (ost->st->stream_copy) {
2198 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2200 if (extra_size > INT_MAX)
2203 /* if stream_copy is selected, no need to decode or encode */
2204 codec->codec_id = icodec->codec_id;
2205 codec->codec_type = icodec->codec_type;
2207 if(!codec->codec_tag){
2208 if( !os->oformat->codec_tag
2209 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2210 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2211 codec->codec_tag = icodec->codec_tag;
2214 codec->bit_rate = icodec->bit_rate;
2215 codec->rc_max_rate = icodec->rc_max_rate;
2216 codec->rc_buffer_size = icodec->rc_buffer_size;
2217 codec->extradata= av_mallocz(extra_size);
2218 if (!codec->extradata)
2220 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2221 codec->extradata_size= icodec->extradata_size;
2222 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){
2223 codec->time_base = icodec->time_base;
2224 codec->time_base.num *= icodec->ticks_per_frame;
2225 av_reduce(&codec->time_base.num, &codec->time_base.den,
2226 codec->time_base.num, codec->time_base.den, INT_MAX);
2228 codec->time_base = ist->st->time_base;
2229 switch(codec->codec_type) {
2230 case AVMEDIA_TYPE_AUDIO:
2231 if(audio_volume != 256) {
2232 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2235 codec->channel_layout = icodec->channel_layout;
2236 codec->sample_rate = icodec->sample_rate;
2237 codec->channels = icodec->channels;
2238 codec->frame_size = icodec->frame_size;
2239 codec->audio_service_type = icodec->audio_service_type;
2240 codec->block_align= icodec->block_align;
2241 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2242 codec->block_align= 0;
2243 if(codec->codec_id == CODEC_ID_AC3)
2244 codec->block_align= 0;
2246 case AVMEDIA_TYPE_VIDEO:
2247 codec->pix_fmt = icodec->pix_fmt;
2248 codec->width = icodec->width;
2249 codec->height = icodec->height;
2250 codec->has_b_frames = icodec->has_b_frames;
2251 if (!codec->sample_aspect_ratio.num) {
2252 codec->sample_aspect_ratio =
2253 ost->st->sample_aspect_ratio =
2254 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2255 ist->st->codec->sample_aspect_ratio.num ?
2256 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2259 case AVMEDIA_TYPE_SUBTITLE:
2260 codec->width = icodec->width;
2261 codec->height = icodec->height;
2263 case AVMEDIA_TYPE_DATA:
2269 switch(codec->codec_type) {
2270 case AVMEDIA_TYPE_AUDIO:
2271 ost->fifo= av_fifo_alloc(1024);
2274 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2275 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2276 icodec->request_channels = codec->channels;
2277 ist->decoding_needed = 1;
2278 ost->encoding_needed = 1;
2279 ost->resample_sample_fmt = icodec->sample_fmt;
2280 ost->resample_sample_rate = icodec->sample_rate;
2281 ost->resample_channels = icodec->channels;
2283 case AVMEDIA_TYPE_VIDEO:
2284 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2285 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2288 ost->video_resample = codec->width != icodec->width ||
2289 codec->height != icodec->height ||
2290 codec->pix_fmt != icodec->pix_fmt;
2291 if (ost->video_resample) {
2292 #if !CONFIG_AVFILTER
2293 avcodec_get_frame_defaults(&ost->pict_tmp);
2294 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2295 codec->width, codec->height)) {
2296 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2299 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
2300 ost->img_resample_ctx = sws_getContext(
2307 sws_flags, NULL, NULL, NULL);
2308 if (ost->img_resample_ctx == NULL) {
2309 fprintf(stderr, "Cannot get resampling context\n");
2313 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2315 ost->resample_height = icodec->height;
2316 ost->resample_width = icodec->width;
2317 ost->resample_pix_fmt= icodec->pix_fmt;
2318 ost->encoding_needed = 1;
2319 ist->decoding_needed = 1;
2322 if (configure_video_filters(ist, ost)) {
2323 fprintf(stderr, "Error opening filters!\n");
2328 case AVMEDIA_TYPE_SUBTITLE:
2329 ost->encoding_needed = 1;
2330 ist->decoding_needed = 1;
2337 if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
2338 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2339 char logfilename[1024];
2342 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2343 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2345 if (codec->flags & CODEC_FLAG_PASS1) {
2346 f = fopen(logfilename, "wb");
2348 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2354 size_t logbuffer_size;
2355 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2356 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2359 codec->stats_in = logbuffer;
2363 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2364 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2365 int size= codec->width * codec->height;
2366 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2371 bit_buffer = av_malloc(bit_buffer_size);
2373 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2375 ret = AVERROR(ENOMEM);
2379 /* open each encoder */
2380 for(i=0;i<nb_ostreams;i++) {
2382 if (ost->encoding_needed) {
2383 AVCodec *codec = i < nb_output_codecs ? output_codecs[i] : NULL;
2384 AVCodecContext *dec = ist_table[ost->source_index]->st->codec;
2386 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2388 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2389 ost->st->codec->codec_id, ost->file_index, ost->index);
2390 ret = AVERROR(EINVAL);
2393 if (dec->subtitle_header) {
2394 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2395 if (!ost->st->codec->subtitle_header) {
2396 ret = AVERROR(ENOMEM);
2399 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2400 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2402 if (avcodec_open(ost->st->codec, codec) < 0) {
2403 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2404 ost->file_index, ost->index);
2405 ret = AVERROR(EINVAL);
2408 extra_size += ost->st->codec->extradata_size;
2412 /* open each decoder */
2413 for(i=0;i<nb_istreams;i++) {
2415 if (ist->decoding_needed) {
2416 AVCodec *codec = i < nb_input_codecs ? input_codecs[i] : NULL;
2418 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2420 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2421 ist->st->codec->codec_id, ist->file_index, ist->index);
2422 ret = AVERROR(EINVAL);
2425 if (avcodec_open(ist->st->codec, codec) < 0) {
2426 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2427 ist->file_index, ist->index);
2428 ret = AVERROR(EINVAL);
2431 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2432 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2437 for(i=0;i<nb_istreams;i++) {
2441 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2442 ist->next_pts = AV_NOPTS_VALUE;
2446 /* set meta data information from input file if required */
2447 for (i=0;i<nb_meta_data_maps;i++) {
2448 AVFormatContext *files[2];
2449 AVMetadata **meta[2];
2452 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
2453 if ((index) < 0 || (index) >= (nb_elems)) {\
2454 snprintf(error, sizeof(error), "Invalid %s index %d while processing metadata maps\n",\
2456 ret = AVERROR(EINVAL);\
2460 int out_file_index = meta_data_maps[i][0].file;
2461 int in_file_index = meta_data_maps[i][1].file;
2462 if (in_file_index < 0 || out_file_index < 0)
2464 METADATA_CHECK_INDEX(out_file_index, nb_output_files, "output file")
2465 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
2467 files[0] = output_files[out_file_index];
2468 files[1] = input_files[in_file_index];
2470 for (j = 0; j < 2; j++) {
2471 AVMetaDataMap *map = &meta_data_maps[i][j];
2473 switch (map->type) {
2475 meta[j] = &files[j]->metadata;
2478 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
2479 meta[j] = &files[j]->streams[map->index]->metadata;
2482 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
2483 meta[j] = &files[j]->chapters[map->index]->metadata;
2486 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
2487 meta[j] = &files[j]->programs[map->index]->metadata;
2492 av_metadata_copy(meta[0], *meta[1], AV_METADATA_DONT_OVERWRITE);
2495 /* copy global metadata by default */
2496 if (metadata_global_autocopy) {
2498 for (i = 0; i < nb_output_files; i++)
2499 av_metadata_copy(&output_files[i]->metadata, input_files[0]->metadata,
2500 AV_METADATA_DONT_OVERWRITE);
2503 /* copy chapters according to chapter maps */
2504 for (i = 0; i < nb_chapter_maps; i++) {
2505 int infile = chapter_maps[i].in_file;
2506 int outfile = chapter_maps[i].out_file;
2508 if (infile < 0 || outfile < 0)
2510 if (infile >= nb_input_files) {
2511 snprintf(error, sizeof(error), "Invalid input file index %d in chapter mapping.\n", infile);
2512 ret = AVERROR(EINVAL);
2515 if (outfile >= nb_output_files) {
2516 snprintf(error, sizeof(error), "Invalid output file index %d in chapter mapping.\n",outfile);
2517 ret = AVERROR(EINVAL);
2520 copy_chapters(infile, outfile);
2523 /* copy chapters from the first input file that has them*/
2524 if (!nb_chapter_maps)
2525 for (i = 0; i < nb_input_files; i++) {
2526 if (!input_files[i]->nb_chapters)
2529 for (j = 0; j < nb_output_files; j++)
2530 if ((ret = copy_chapters(i, j)) < 0)
2535 /* open files and write file headers */
2536 for(i=0;i<nb_output_files;i++) {
2537 os = output_files[i];
2538 if (av_write_header(os) < 0) {
2539 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2540 ret = AVERROR(EINVAL);
2543 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2549 /* dump the file output parameters - cannot be done before in case
2551 for(i=0;i<nb_output_files;i++) {
2552 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2555 /* dump the stream mapping */
2557 fprintf(stderr, "Stream mapping:\n");
2558 for(i=0;i<nb_ostreams;i++) {
2560 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2561 ist_table[ost->source_index]->file_index,
2562 ist_table[ost->source_index]->index,
2565 if (ost->sync_ist != ist_table[ost->source_index])
2566 fprintf(stderr, " [sync #%d.%d]",
2567 ost->sync_ist->file_index,
2568 ost->sync_ist->index);
2569 fprintf(stderr, "\n");
2574 fprintf(stderr, "%s\n", error);
2579 print_sdp(output_files, nb_output_files);
2584 fprintf(stderr, "Press [q] to stop encoding\n");
2585 avio_set_interrupt_cb(decode_interrupt_cb);
2589 timer_start = av_gettime();
2591 for(; received_sigterm == 0;) {
2592 int file_index, ist_index;
2600 /* if 'q' pressed, exits */
2604 /* read_key() returns 0 on EOF */
2610 /* select the stream that we must read now by looking at the
2611 smallest output pts */
2613 for(i=0;i<nb_ostreams;i++) {
2616 os = output_files[ost->file_index];
2617 ist = ist_table[ost->source_index];
2618 if(ist->is_past_recording_time || no_packet[ist->file_index])
2620 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2621 ipts = (double)ist->pts;
2622 if (!file_table[ist->file_index].eof_reached){
2623 if(ipts < ipts_min) {
2625 if(input_sync ) file_index = ist->file_index;
2627 if(opts < opts_min) {
2629 if(!input_sync) file_index = ist->file_index;
2632 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2637 /* if none, if is finished */
2638 if (file_index < 0) {
2639 if(no_packet_count){
2641 memset(no_packet, 0, sizeof(no_packet));
2648 /* finish if limit size exhausted */
2649 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
2652 /* read a frame from it and output it in the fifo */
2653 is = input_files[file_index];
2654 ret= av_read_frame(is, &pkt);
2655 if(ret == AVERROR(EAGAIN)){
2656 no_packet[file_index]=1;
2661 file_table[file_index].eof_reached = 1;
2669 memset(no_packet, 0, sizeof(no_packet));
2672 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2673 is->streams[pkt.stream_index]);
2675 /* the following test is needed in case new streams appear
2676 dynamically in stream : we ignore them */
2677 if (pkt.stream_index >= file_table[file_index].nb_streams)
2678 goto discard_packet;
2679 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2680 ist = ist_table[ist_index];
2682 goto discard_packet;
2684 if (pkt.dts != AV_NOPTS_VALUE)
2685 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2686 if (pkt.pts != AV_NOPTS_VALUE)
2687 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2689 if (pkt.stream_index < nb_input_files_ts_scale[file_index]
2690 && input_files_ts_scale[file_index][pkt.stream_index]){
2691 if(pkt.pts != AV_NOPTS_VALUE)
2692 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2693 if(pkt.dts != AV_NOPTS_VALUE)
2694 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2697 // 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);
2698 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2699 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2700 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2701 int64_t delta= pkt_dts - ist->next_pts;
2702 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2703 input_files_ts_offset[ist->file_index]-= delta;
2705 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2706 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2707 if(pkt.pts != AV_NOPTS_VALUE)
2708 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2712 /* finish if recording time exhausted */
2713 if (recording_time != INT64_MAX &&
2714 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2715 ist->is_past_recording_time = 1;
2716 goto discard_packet;
2719 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2720 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2723 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2724 ist->file_index, ist->index);
2727 av_free_packet(&pkt);
2732 av_free_packet(&pkt);
2734 /* dump report by using the output first video and audio streams */
2735 print_report(output_files, ost_table, nb_ostreams, 0);
2738 /* at the end of stream, we must flush the decoder buffers */
2739 for(i=0;i<nb_istreams;i++) {
2741 if (ist->decoding_needed) {
2742 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2748 /* write the trailer if needed and close file */
2749 for(i=0;i<nb_output_files;i++) {
2750 os = output_files[i];
2751 av_write_trailer(os);
2754 /* dump report by using the first video and audio streams */
2755 print_report(output_files, ost_table, nb_ostreams, 1);
2757 /* close each encoder */
2758 for(i=0;i<nb_ostreams;i++) {
2760 if (ost->encoding_needed) {
2761 av_freep(&ost->st->codec->stats_in);
2762 avcodec_close(ost->st->codec);
2765 avfilter_graph_free(&ost->graph);
2769 /* close each decoder */
2770 for(i=0;i<nb_istreams;i++) {
2772 if (ist->decoding_needed) {
2773 avcodec_close(ist->st->codec);
2781 av_freep(&bit_buffer);
2782 av_free(file_table);
2785 for(i=0;i<nb_istreams;i++) {
2792 for(i=0;i<nb_ostreams;i++) {
2795 if (ost->st->stream_copy)
2796 av_freep(&ost->st->codec->extradata);
2798 fclose(ost->logfile);
2799 ost->logfile = NULL;
2801 av_fifo_free(ost->fifo); /* works even if fifo is not
2802 initialized but set to zero */
2803 av_freep(&ost->st->codec->subtitle_header);
2804 av_free(ost->pict_tmp.data[0]);
2805 av_free(ost->forced_kf_pts);
2806 if (ost->video_resample)
2807 sws_freeContext(ost->img_resample_ctx);
2809 audio_resample_close(ost->resample);
2810 if (ost->reformat_ctx)
2811 av_audio_convert_free(ost->reformat_ctx);
2820 static void opt_format(const char *arg)
2822 last_asked_format = arg;
2825 static void opt_video_rc_override_string(const char *arg)
2827 video_rc_override_string = arg;
2830 static int opt_me_threshold(const char *opt, const char *arg)
2832 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2836 static int opt_verbose(const char *opt, const char *arg)
2838 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2842 static int opt_frame_rate(const char *opt, const char *arg)
2844 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2845 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2851 static int opt_bitrate(const char *opt, const char *arg)
2853 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2855 opt_default(opt, arg);
2857 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2858 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2863 static int opt_frame_crop(const char *opt, const char *arg)
2865 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2866 return AVERROR(EINVAL);
2869 static void opt_frame_size(const char *arg)
2871 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2872 fprintf(stderr, "Incorrect frame size\n");
2877 static int opt_pad(const char *opt, const char *arg) {
2878 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2882 static void opt_frame_pix_fmt(const char *arg)
2884 if (strcmp(arg, "list")) {
2885 frame_pix_fmt = av_get_pix_fmt(arg);
2886 if (frame_pix_fmt == PIX_FMT_NONE) {
2887 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2896 static void opt_frame_aspect_ratio(const char *arg)
2903 p = strchr(arg, ':');
2905 x = strtol(arg, &end, 10);
2907 y = strtol(end+1, &end, 10);
2909 ar = (double)x / (double)y;
2911 ar = strtod(arg, NULL);
2914 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2917 frame_aspect_ratio = ar;
2920 static int opt_metadata(const char *opt, const char *arg)
2922 char *mid= strchr(arg, '=');
2925 fprintf(stderr, "Missing =\n");
2930 av_metadata_set2(&metadata, arg, mid, 0);
2935 static int opt_qscale(const char *opt, const char *arg)
2937 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2938 if (video_qscale <= 0 || video_qscale > 255) {
2939 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2940 return AVERROR(EINVAL);
2945 static int opt_top_field_first(const char *opt, const char *arg)
2947 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2951 static int opt_thread_count(const char *opt, const char *arg)
2953 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2956 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2961 static void opt_audio_sample_fmt(const char *arg)
2963 if (strcmp(arg, "list")) {
2964 audio_sample_fmt = av_get_sample_fmt(arg);
2965 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2966 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2972 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2973 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2978 static int opt_audio_rate(const char *opt, const char *arg)
2980 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2984 static int opt_audio_channels(const char *opt, const char *arg)
2986 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2990 static int opt_video_channel(const char *opt, const char *arg)
2992 video_channel = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2996 static void opt_video_standard(const char *arg)
2998 video_standard = av_strdup(arg);
3001 static void opt_codec(int *pstream_copy, char **pcodec_name,
3002 int codec_type, const char *arg)
3004 av_freep(pcodec_name);
3005 if (!strcmp(arg, "copy")) {
3008 *pcodec_name = av_strdup(arg);
3012 static void opt_audio_codec(const char *arg)
3014 opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
3017 static void opt_video_codec(const char *arg)
3019 opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
3022 static void opt_subtitle_codec(const char *arg)
3024 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
3027 static void opt_data_codec(const char *arg)
3029 opt_codec(&data_stream_copy, &data_codec_name, AVMEDIA_TYPE_DATA, arg);
3032 static int opt_codec_tag(const char *opt, const char *arg)
3035 uint32_t *codec_tag;
3037 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
3038 !strcmp(opt, "vtag") ? &video_codec_tag :
3039 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
3043 *codec_tag = strtol(arg, &tail, 0);
3045 *codec_tag = AV_RL32(arg);
3050 static void opt_map(const char *arg)
3055 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
3056 m = &stream_maps[nb_stream_maps-1];
3058 m->file_index = strtol(arg, &p, 0);
3062 m->stream_index = strtol(p, &p, 0);
3065 m->sync_file_index = strtol(p, &p, 0);
3068 m->sync_stream_index = strtol(p, &p, 0);
3070 m->sync_file_index = m->file_index;
3071 m->sync_stream_index = m->stream_index;
3075 static void parse_meta_type(char *arg, char *type, int *index, char **endptr)
3086 *index = strtol(++arg, endptr, 0);
3089 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
3096 static void opt_map_metadata(const char *arg)
3098 AVMetaDataMap *m, *m1;
3101 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
3102 &nb_meta_data_maps, nb_meta_data_maps + 1);
3104 m = &meta_data_maps[nb_meta_data_maps - 1][0];
3105 m->file = strtol(arg, &p, 0);
3106 parse_meta_type(p, &m->type, &m->index, &p);
3110 m1 = &meta_data_maps[nb_meta_data_maps - 1][1];
3111 m1->file = strtol(p, &p, 0);
3112 parse_meta_type(p, &m1->type, &m1->index, &p);
3114 if (m->type == 'g' || m1->type == 'g')
3115 metadata_global_autocopy = 0;
3116 if (m->type == 's' || m1->type == 's')
3117 metadata_streams_autocopy = 0;
3118 if (m->type == 'c' || m1->type == 'c')
3119 metadata_chapters_autocopy = 0;
3122 static void opt_map_meta_data(const char *arg)
3124 fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
3125 "Use -map_metadata instead.\n");
3126 opt_map_metadata(arg);
3129 static void opt_map_chapters(const char *arg)
3134 chapter_maps = grow_array(chapter_maps, sizeof(*chapter_maps), &nb_chapter_maps,
3135 nb_chapter_maps + 1);
3136 c = &chapter_maps[nb_chapter_maps - 1];
3137 c->out_file = strtol(arg, &p, 0);
3141 c->in_file = strtol(p, &p, 0);
3144 static void opt_input_ts_scale(const char *arg)
3146 unsigned int stream;
3150 stream = strtol(arg, &p, 0);
3153 scale= strtod(p, &p);
3155 if(stream >= MAX_STREAMS)
3158 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);
3159 input_files_ts_scale[nb_input_files][stream]= scale;
3162 static int opt_recording_time(const char *opt, const char *arg)
3164 recording_time = parse_time_or_die(opt, arg, 1);
3168 static int opt_start_time(const char *opt, const char *arg)
3170 start_time = parse_time_or_die(opt, arg, 1);
3174 static int opt_recording_timestamp(const char *opt, const char *arg)
3176 recording_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
3180 static int opt_input_ts_offset(const char *opt, const char *arg)
3182 input_ts_offset = parse_time_or_die(opt, arg, 1);
3186 static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
3188 const char *codec_string = encoder ? "encoder" : "decoder";
3192 return CODEC_ID_NONE;
3194 avcodec_find_encoder_by_name(name) :
3195 avcodec_find_decoder_by_name(name);
3197 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
3200 if(codec->type != type) {
3201 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
3204 if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
3205 strict > FF_COMPLIANCE_EXPERIMENTAL) {
3206 fprintf(stderr, "%s '%s' is experimental and might produce bad "
3207 "results.\nAdd '-strict experimental' if you want to use it.\n",
3208 codec_string, codec->name);
3210 avcodec_find_encoder(codec->id) :
3211 avcodec_find_decoder(codec->id);
3212 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
3213 fprintf(stderr, "Or use the non experimental %s '%s'.\n",
3214 codec_string, codec->name);
3220 static void opt_input_file(const char *filename)
3222 AVFormatContext *ic;
3223 AVFormatParameters params, *ap = ¶ms;
3224 AVInputFormat *file_iformat = NULL;
3225 int err, i, ret, rfps, rfps_base;
3228 if (last_asked_format) {
3229 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3230 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3233 last_asked_format = NULL;
3236 if (!strcmp(filename, "-"))
3239 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3240 !strcmp(filename, "/dev/stdin");
3242 /* get default parameters from command line */
3243 ic = avformat_alloc_context();
3245 print_error(filename, AVERROR(ENOMEM));
3249 memset(ap, 0, sizeof(*ap));
3250 ap->prealloced_context = 1;
3251 ap->sample_rate = audio_sample_rate;
3252 ap->channels = audio_channels;
3253 ap->time_base.den = frame_rate.num;
3254 ap->time_base.num = frame_rate.den;
3255 ap->width = frame_width;
3256 ap->height = frame_height;
3257 ap->pix_fmt = frame_pix_fmt;
3258 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
3259 ap->channel = video_channel;
3260 ap->standard = video_standard;
3262 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
3264 ic->video_codec_id =
3265 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
3266 avcodec_opts[AVMEDIA_TYPE_VIDEO ]->strict_std_compliance);
3267 ic->audio_codec_id =
3268 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0,
3269 avcodec_opts[AVMEDIA_TYPE_AUDIO ]->strict_std_compliance);
3270 ic->subtitle_codec_id=
3271 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
3272 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3273 ic->flags |= AVFMT_FLAG_NONBLOCK | AVFMT_FLAG_PRIV_OPT;
3275 /* open the input file with generic libav function */
3276 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
3278 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
3279 err = av_demuxer_open(ic, ap);
3281 avformat_free_context(ic);
3284 print_error(filename, err);
3290 for(i=0; i<ic->nb_streams; i++){
3291 ic->streams[i]->discard= AVDISCARD_ALL;
3293 for(i=0; i<ic->nb_programs; i++){
3294 AVProgram *p= ic->programs[i];
3295 if(p->id != opt_programid){
3296 p->discard = AVDISCARD_ALL;
3299 for(j=0; j<p->nb_stream_indexes; j++){
3300 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3305 fprintf(stderr, "Specified program id not found\n");
3311 ic->loop_input = loop_input;
3313 /* If not enough info to get the stream parameters, we decode the
3314 first frames to get it. (used in mpeg case for example) */
3315 ret = av_find_stream_info(ic);
3316 if (ret < 0 && verbose >= 0) {
3317 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3318 av_close_input_file(ic);
3322 timestamp = start_time;
3323 /* add the stream start time */
3324 if (ic->start_time != AV_NOPTS_VALUE)
3325 timestamp += ic->start_time;
3327 /* if seeking requested, we execute it */
3328 if (start_time != 0) {
3329 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3331 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3332 filename, (double)timestamp / AV_TIME_BASE);
3334 /* reset seek info */
3338 /* update the current parameters so that they match the one of the input stream */
3339 for(i=0;i<ic->nb_streams;i++) {
3340 AVStream *st = ic->streams[i];
3341 AVCodecContext *dec = st->codec;
3342 dec->thread_count = thread_count;
3343 input_codecs = grow_array(input_codecs, sizeof(*input_codecs), &nb_input_codecs, nb_input_codecs + 1);
3344 switch (dec->codec_type) {
3345 case AVMEDIA_TYPE_AUDIO:
3346 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(audio_codec_name);
3347 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]);
3348 channel_layout = dec->channel_layout;
3349 audio_channels = dec->channels;
3350 audio_sample_rate = dec->sample_rate;
3351 audio_sample_fmt = dec->sample_fmt;
3353 st->discard= AVDISCARD_ALL;
3354 /* Note that av_find_stream_info can add more streams, and we
3355 * currently have no chance of setting up lowres decoding
3356 * early enough for them. */
3358 audio_sample_rate >>= dec->lowres;
3360 case AVMEDIA_TYPE_VIDEO:
3361 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(video_codec_name);
3362 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]);
3363 frame_height = dec->height;
3364 frame_width = dec->width;
3365 frame_pix_fmt = dec->pix_fmt;
3366 rfps = ic->streams[i]->r_frame_rate.num;
3367 rfps_base = ic->streams[i]->r_frame_rate.den;
3369 dec->flags |= CODEC_FLAG_EMU_EDGE;
3370 frame_height >>= dec->lowres;
3371 frame_width >>= dec->lowres;
3372 dec->height = frame_height;
3373 dec->width = frame_width;
3376 dec->debug |= FF_DEBUG_MV;
3378 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3381 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3382 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3384 (float)rfps / rfps_base, rfps, rfps_base);
3386 /* update the current frame rate to match the stream frame rate */
3387 frame_rate.num = rfps;
3388 frame_rate.den = rfps_base;
3391 st->discard= AVDISCARD_ALL;
3392 else if(video_discard)
3393 st->discard= video_discard;
3395 case AVMEDIA_TYPE_DATA:
3397 case AVMEDIA_TYPE_SUBTITLE:
3398 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(subtitle_codec_name);
3399 if(subtitle_disable)
3400 st->discard = AVDISCARD_ALL;
3402 case AVMEDIA_TYPE_ATTACHMENT:
3403 case AVMEDIA_TYPE_UNKNOWN:
3410 input_files[nb_input_files] = ic;
3411 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3412 /* dump the file content */
3414 av_dump_format(ic, nb_input_files, filename, 0);
3420 av_freep(&video_codec_name);
3421 av_freep(&audio_codec_name);
3422 av_freep(&subtitle_codec_name);
3425 static void check_inputs(int *has_video_ptr,
3427 int *has_subtitle_ptr,
3430 int has_video, has_audio, has_subtitle, has_data, i, j;
3431 AVFormatContext *ic;
3438 for(j=0;j<nb_input_files;j++) {
3439 ic = input_files[j];
3440 for(i=0;i<ic->nb_streams;i++) {
3441 AVCodecContext *enc = ic->streams[i]->codec;
3442 switch(enc->codec_type) {
3443 case AVMEDIA_TYPE_AUDIO:
3446 case AVMEDIA_TYPE_VIDEO:
3449 case AVMEDIA_TYPE_SUBTITLE:
3452 case AVMEDIA_TYPE_DATA:
3453 case AVMEDIA_TYPE_ATTACHMENT:
3454 case AVMEDIA_TYPE_UNKNOWN:
3462 *has_video_ptr = has_video;
3463 *has_audio_ptr = has_audio;
3464 *has_subtitle_ptr = has_subtitle;
3465 *has_data_ptr = has_data;
3468 static void new_video_stream(AVFormatContext *oc, int file_idx)
3471 AVOutputStream *ost;
3472 AVCodecContext *video_enc;
3473 enum CodecID codec_id = CODEC_ID_NONE;
3474 AVCodec *codec= NULL;
3476 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3478 fprintf(stderr, "Could not alloc stream\n");
3481 ost = new_output_stream(oc, file_idx);
3483 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3484 if(!video_stream_copy){
3485 if (video_codec_name) {
3486 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
3487 avcodec_opts[AVMEDIA_TYPE_VIDEO]->strict_std_compliance);
3488 codec = avcodec_find_encoder_by_name(video_codec_name);
3489 output_codecs[nb_output_codecs-1] = codec;
3491 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3492 codec = avcodec_find_encoder(codec_id);
3494 ost->frame_aspect_ratio = frame_aspect_ratio;
3495 frame_aspect_ratio = 0;
3497 ost->avfilter= vfilters;
3502 avcodec_get_context_defaults3(st->codec, codec);
3503 ost->bitstream_filters = video_bitstream_filters;
3504 video_bitstream_filters= NULL;
3506 st->codec->thread_count= thread_count;
3508 video_enc = st->codec;
3511 video_enc->codec_tag= video_codec_tag;
3513 if( (video_global_header&1)
3514 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3515 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3516 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3518 if(video_global_header&2){
3519 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3520 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3523 if (video_stream_copy) {
3524 st->stream_copy = 1;
3525 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3526 video_enc->sample_aspect_ratio =
3527 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3531 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3533 video_enc->codec_id = codec_id;
3534 set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3536 if (codec && codec->supported_framerates && !force_fps)
3537 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3538 video_enc->time_base.den = fps.num;
3539 video_enc->time_base.num = fps.den;
3541 video_enc->width = frame_width;
3542 video_enc->height = frame_height;
3543 video_enc->pix_fmt = frame_pix_fmt;
3544 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3545 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3547 choose_pixel_fmt(st, codec);
3550 video_enc->gop_size = 0;
3551 if (video_qscale || same_quality) {
3552 video_enc->flags |= CODEC_FLAG_QSCALE;
3553 video_enc->global_quality=
3554 st->quality = FF_QP2LAMBDA * video_qscale;
3558 video_enc->intra_matrix = intra_matrix;
3560 video_enc->inter_matrix = inter_matrix;
3562 p= video_rc_override_string;
3565 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3567 fprintf(stderr, "error parsing rc_override\n");
3570 video_enc->rc_override=
3571 av_realloc(video_enc->rc_override,
3572 sizeof(RcOverride)*(i+1));
3573 video_enc->rc_override[i].start_frame= start;
3574 video_enc->rc_override[i].end_frame = end;
3576 video_enc->rc_override[i].qscale= q;
3577 video_enc->rc_override[i].quality_factor= 1.0;
3580 video_enc->rc_override[i].qscale= 0;
3581 video_enc->rc_override[i].quality_factor= -q/100.0;
3586 video_enc->rc_override_count=i;
3587 if (!video_enc->rc_initial_buffer_occupancy)
3588 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3589 video_enc->me_threshold= me_threshold;
3590 video_enc->intra_dc_precision= intra_dc_precision - 8;
3593 video_enc->flags|= CODEC_FLAG_PSNR;
3598 video_enc->flags |= CODEC_FLAG_PASS1;
3600 video_enc->flags |= CODEC_FLAG_PASS2;
3604 if (forced_key_frames)
3605 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3607 if (video_language) {
3608 av_metadata_set2(&st->metadata, "language", video_language, 0);
3609 av_freep(&video_language);
3612 /* reset some key parameters */
3614 av_freep(&video_codec_name);
3615 av_freep(&forced_key_frames);
3616 video_stream_copy = 0;
3617 frame_pix_fmt = PIX_FMT_NONE;
3620 static void new_audio_stream(AVFormatContext *oc, int file_idx)
3623 AVOutputStream *ost;
3624 AVCodec *codec= NULL;
3625 AVCodecContext *audio_enc;
3626 enum CodecID codec_id = CODEC_ID_NONE;
3628 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3630 fprintf(stderr, "Could not alloc stream\n");
3633 ost = new_output_stream(oc, file_idx);
3635 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3636 if(!audio_stream_copy){
3637 if (audio_codec_name) {
3638 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
3639 avcodec_opts[AVMEDIA_TYPE_AUDIO]->strict_std_compliance);
3640 codec = avcodec_find_encoder_by_name(audio_codec_name);
3641 output_codecs[nb_output_codecs-1] = codec;
3643 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
3644 codec = avcodec_find_encoder(codec_id);
3648 avcodec_get_context_defaults3(st->codec, codec);
3650 ost->bitstream_filters = audio_bitstream_filters;
3651 audio_bitstream_filters= NULL;
3653 st->codec->thread_count= thread_count;
3655 audio_enc = st->codec;
3656 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3659 audio_enc->codec_tag= audio_codec_tag;
3661 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3662 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3663 avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3665 if (audio_stream_copy) {
3666 st->stream_copy = 1;
3667 audio_enc->channels = audio_channels;
3668 audio_enc->sample_rate = audio_sample_rate;
3670 audio_enc->codec_id = codec_id;
3671 set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3673 if (audio_qscale > QSCALE_NONE) {
3674 audio_enc->flags |= CODEC_FLAG_QSCALE;
3675 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3677 audio_enc->channels = audio_channels;
3678 audio_enc->sample_fmt = audio_sample_fmt;
3679 audio_enc->sample_rate = audio_sample_rate;
3680 audio_enc->channel_layout = channel_layout;
3681 if (av_get_channel_layout_nb_channels(channel_layout) != audio_channels)
3682 audio_enc->channel_layout = 0;
3683 choose_sample_fmt(st, codec);
3684 choose_sample_rate(st, codec);
3686 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3687 if (audio_language) {
3688 av_metadata_set2(&st->metadata, "language", audio_language, 0);
3689 av_freep(&audio_language);
3692 /* reset some key parameters */
3694 av_freep(&audio_codec_name);
3695 audio_stream_copy = 0;
3698 static void new_data_stream(AVFormatContext *oc, int file_idx)
3701 AVOutputStream *ost;
3702 AVCodec *codec=NULL;
3703 AVCodecContext *data_enc;
3705 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3707 fprintf(stderr, "Could not alloc stream\n");
3710 ost = new_output_stream(oc, file_idx);
3711 data_enc = st->codec;
3712 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3713 if (!data_stream_copy) {
3714 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3717 avcodec_get_context_defaults3(st->codec, codec);
3719 data_enc->codec_type = AVMEDIA_TYPE_DATA;
3722 data_enc->codec_tag= data_codec_tag;
3724 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3725 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3726 avcodec_opts[AVMEDIA_TYPE_DATA]->flags |= CODEC_FLAG_GLOBAL_HEADER;
3728 if (data_stream_copy) {
3729 st->stream_copy = 1;
3733 av_freep(&data_codec_name);
3734 data_stream_copy = 0;
3737 static void new_subtitle_stream(AVFormatContext *oc, int file_idx)
3740 AVOutputStream *ost;
3741 AVCodec *codec=NULL;
3742 AVCodecContext *subtitle_enc;
3743 enum CodecID codec_id = CODEC_ID_NONE;
3745 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3747 fprintf(stderr, "Could not alloc stream\n");
3750 ost = new_output_stream(oc, file_idx);
3751 subtitle_enc = st->codec;
3752 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3753 if(!subtitle_stream_copy){
3754 if (subtitle_codec_name) {
3755 codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
3756 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3757 codec= output_codecs[nb_output_codecs-1] = avcodec_find_encoder_by_name(subtitle_codec_name);
3759 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_SUBTITLE);
3760 codec = avcodec_find_encoder(codec_id);
3763 avcodec_get_context_defaults3(st->codec, codec);
3765 ost->bitstream_filters = subtitle_bitstream_filters;
3766 subtitle_bitstream_filters= NULL;
3768 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3770 if(subtitle_codec_tag)
3771 subtitle_enc->codec_tag= subtitle_codec_tag;
3773 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3774 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3775 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->flags |= CODEC_FLAG_GLOBAL_HEADER;
3777 if (subtitle_stream_copy) {
3778 st->stream_copy = 1;
3780 subtitle_enc->codec_id = codec_id;
3781 set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3784 if (subtitle_language) {
3785 av_metadata_set2(&st->metadata, "language", subtitle_language, 0);
3786 av_freep(&subtitle_language);
3789 subtitle_disable = 0;
3790 av_freep(&subtitle_codec_name);
3791 subtitle_stream_copy = 0;
3794 static int opt_new_stream(const char *opt, const char *arg)
3796 AVFormatContext *oc;
3797 int file_idx = nb_output_files - 1;
3798 if (nb_output_files <= 0) {
3799 fprintf(stderr, "At least one output file must be specified\n");
3802 oc = output_files[file_idx];
3804 if (!strcmp(opt, "newvideo" )) new_video_stream (oc, file_idx);
3805 else if (!strcmp(opt, "newaudio" )) new_audio_stream (oc, file_idx);
3806 else if (!strcmp(opt, "newsubtitle")) new_subtitle_stream(oc, file_idx);
3807 else if (!strcmp(opt, "newdata" )) new_data_stream (oc, file_idx);
3812 /* arg format is "output-stream-index:streamid-value". */
3813 static int opt_streamid(const char *opt, const char *arg)
3819 av_strlcpy(idx_str, arg, sizeof(idx_str));
3820 p = strchr(idx_str, ':');
3823 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3828 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3829 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3830 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3834 static void opt_output_file(const char *filename)
3836 AVFormatContext *oc;
3837 int err, use_video, use_audio, use_subtitle, use_data;
3838 int input_has_video, input_has_audio, input_has_subtitle, input_has_data;
3839 AVFormatParameters params, *ap = ¶ms;
3840 AVOutputFormat *file_oformat;
3842 if (!strcmp(filename, "-"))
3845 oc = avformat_alloc_output_context(last_asked_format, NULL, filename);
3846 last_asked_format = NULL;
3848 print_error(filename, AVERROR(ENOMEM));
3851 file_oformat= oc->oformat;
3853 if (!strcmp(file_oformat->name, "ffm") &&
3854 av_strstart(filename, "http:", NULL)) {
3855 /* special case for files sent to ffserver: we get the stream
3856 parameters from ffserver */
3857 int err = read_ffserver_streams(oc, filename);
3859 print_error(filename, err);
3863 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3864 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3865 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3866 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 */
3868 /* disable if no corresponding type found and at least one
3870 if (nb_input_files > 0) {
3871 check_inputs(&input_has_video,
3873 &input_has_subtitle,
3876 if (!input_has_video)
3878 if (!input_has_audio)
3880 if (!input_has_subtitle)
3882 if (!input_has_data)
3886 /* manual disable */
3887 if (audio_disable) use_audio = 0;
3888 if (video_disable) use_video = 0;
3889 if (subtitle_disable) use_subtitle = 0;
3890 if (data_disable) use_data = 0;
3892 if (use_video) new_video_stream(oc, nb_output_files);
3893 if (use_audio) new_audio_stream(oc, nb_output_files);
3894 if (use_subtitle) new_subtitle_stream(oc, nb_output_files);
3895 if (use_data) new_data_stream(oc, nb_output_files);
3897 oc->timestamp = recording_timestamp;
3899 av_metadata_copy(&oc->metadata, metadata, 0);
3900 av_metadata_free(&metadata);
3903 output_files[nb_output_files++] = oc;
3905 /* check filename in case of an image number is expected */
3906 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3907 if (!av_filename_number_test(oc->filename)) {
3908 print_error(oc->filename, AVERROR(EINVAL));
3913 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3914 /* test if it already exists to avoid loosing precious files */
3915 if (!file_overwrite &&
3916 (strchr(filename, ':') == NULL ||
3917 filename[1] == ':' ||
3918 av_strstart(filename, "file:", NULL))) {
3919 if (avio_check(filename, 0) == 0) {
3921 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3923 if (!read_yesno()) {
3924 fprintf(stderr, "Not overwriting - exiting\n");
3929 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3936 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3937 print_error(filename, err);
3942 memset(ap, 0, sizeof(*ap));
3943 if (av_set_parameters(oc, ap) < 0) {
3944 fprintf(stderr, "%s: Invalid encoding parameters\n",
3949 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3950 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3951 oc->loop_output = loop_output;
3953 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM, NULL);
3955 av_freep(&forced_key_frames);
3958 /* same option as mencoder */
3959 static int opt_pass(const char *opt, const char *arg)
3961 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3965 static int64_t getutime(void)
3968 struct rusage rusage;
3970 getrusage(RUSAGE_SELF, &rusage);
3971 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3972 #elif HAVE_GETPROCESSTIMES
3974 FILETIME c, e, k, u;
3975 proc = GetCurrentProcess();
3976 GetProcessTimes(proc, &c, &e, &k, &u);
3977 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3979 return av_gettime();
3983 static int64_t getmaxrss(void)
3985 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3986 struct rusage rusage;
3987 getrusage(RUSAGE_SELF, &rusage);
3988 return (int64_t)rusage.ru_maxrss * 1024;
3989 #elif HAVE_GETPROCESSMEMORYINFO
3991 PROCESS_MEMORY_COUNTERS memcounters;
3992 proc = GetCurrentProcess();
3993 memcounters.cb = sizeof(memcounters);
3994 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3995 return memcounters.PeakPagefileUsage;
4001 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
4004 const char *p = str;
4011 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
4018 static void opt_inter_matrix(const char *arg)
4020 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
4021 parse_matrix_coeffs(inter_matrix, arg);
4024 static void opt_intra_matrix(const char *arg)
4026 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
4027 parse_matrix_coeffs(intra_matrix, arg);
4030 static void show_usage(void)
4032 printf("Hyper fast Audio and Video encoder\n");
4033 printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n");
4037 static void show_help(void)
4040 AVOutputFormat *oformat = NULL;
4042 av_log_set_callback(log_callback_help);
4044 show_help_options(options, "Main options:\n",
4045 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4046 show_help_options(options, "\nAdvanced options:\n",
4047 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4049 show_help_options(options, "\nVideo options:\n",
4050 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4052 show_help_options(options, "\nAdvanced Video options:\n",
4053 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4054 OPT_VIDEO | OPT_EXPERT);
4055 show_help_options(options, "\nAudio options:\n",
4056 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4058 show_help_options(options, "\nAdvanced Audio options:\n",
4059 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4060 OPT_AUDIO | OPT_EXPERT);
4061 show_help_options(options, "\nSubtitle options:\n",
4062 OPT_SUBTITLE | OPT_GRAB,
4064 show_help_options(options, "\nAudio/Video grab options:\n",
4068 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4071 /* individual codec options */
4073 while ((c = av_codec_next(c))) {
4074 if (c->priv_class) {
4075 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4080 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4083 /* individual muxer options */
4084 while ((oformat = av_oformat_next(oformat))) {
4085 if (oformat->priv_class) {
4086 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
4091 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4094 static void opt_target(const char *arg)
4096 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4097 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
4099 if(!strncmp(arg, "pal-", 4)) {
4102 } else if(!strncmp(arg, "ntsc-", 5)) {
4105 } else if(!strncmp(arg, "film-", 5)) {
4110 /* Calculate FR via float to avoid int overflow */
4111 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
4114 } else if((fr == 29970) || (fr == 23976)) {
4117 /* Try to determine PAL/NTSC by peeking in the input files */
4118 if(nb_input_files) {
4120 for(j = 0; j < nb_input_files; j++) {
4121 for(i = 0; i < input_files[j]->nb_streams; i++) {
4122 AVCodecContext *c = input_files[j]->streams[i]->codec;
4123 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4125 fr = c->time_base.den * 1000 / c->time_base.num;
4129 } else if((fr == 29970) || (fr == 23976)) {
4139 if(verbose > 0 && norm != UNKNOWN)
4140 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4143 if(norm == UNKNOWN) {
4144 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4145 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4146 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
4150 if(!strcmp(arg, "vcd")) {
4152 opt_video_codec("mpeg1video");
4153 opt_audio_codec("mp2");
4156 opt_frame_size(norm == PAL ? "352x288" : "352x240");
4157 opt_frame_rate(NULL, frame_rates[norm]);
4158 opt_default("g", norm == PAL ? "15" : "18");
4160 opt_default("b", "1150000");
4161 opt_default("maxrate", "1150000");
4162 opt_default("minrate", "1150000");
4163 opt_default("bufsize", "327680"); // 40*1024*8;
4165 opt_default("ab", "224000");
4166 audio_sample_rate = 44100;
4169 opt_default("packetsize", "2324");
4170 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4172 /* We have to offset the PTS, so that it is consistent with the SCR.
4173 SCR starts at 36000, but the first two packs contain only padding
4174 and the first pack from the other stream, respectively, may also have
4175 been written before.
4176 So the real data starts at SCR 36000+3*1200. */
4177 mux_preload= (36000+3*1200) / 90000.0; //0.44
4178 } else if(!strcmp(arg, "svcd")) {
4180 opt_video_codec("mpeg2video");
4181 opt_audio_codec("mp2");
4184 opt_frame_size(norm == PAL ? "480x576" : "480x480");
4185 opt_frame_rate(NULL, frame_rates[norm]);
4186 opt_default("g", norm == PAL ? "15" : "18");
4188 opt_default("b", "2040000");
4189 opt_default("maxrate", "2516000");
4190 opt_default("minrate", "0"); //1145000;
4191 opt_default("bufsize", "1835008"); //224*1024*8;
4192 opt_default("flags", "+scan_offset");
4195 opt_default("ab", "224000");
4196 audio_sample_rate = 44100;
4198 opt_default("packetsize", "2324");
4200 } else if(!strcmp(arg, "dvd")) {
4202 opt_video_codec("mpeg2video");
4203 opt_audio_codec("ac3");
4206 opt_frame_size(norm == PAL ? "720x576" : "720x480");
4207 opt_frame_rate(NULL, frame_rates[norm]);
4208 opt_default("g", norm == PAL ? "15" : "18");
4210 opt_default("b", "6000000");
4211 opt_default("maxrate", "9000000");
4212 opt_default("minrate", "0"); //1500000;
4213 opt_default("bufsize", "1835008"); //224*1024*8;
4215 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4216 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4218 opt_default("ab", "448000");
4219 audio_sample_rate = 48000;
4221 } else if(!strncmp(arg, "dv", 2)) {
4225 opt_frame_size(norm == PAL ? "720x576" : "720x480");
4226 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
4227 (norm == PAL ? "yuv420p" : "yuv411p"));
4228 opt_frame_rate(NULL, frame_rates[norm]);
4230 audio_sample_rate = 48000;
4234 fprintf(stderr, "Unknown target: %s\n", arg);
4239 static void opt_vstats_file (const char *arg)
4241 av_free (vstats_filename);
4242 vstats_filename=av_strdup (arg);
4245 static void opt_vstats (void)
4248 time_t today2 = time(NULL);
4249 struct tm *today = localtime(&today2);
4251 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4253 opt_vstats_file(filename);
4256 static int opt_bsf(const char *opt, const char *arg)
4258 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4259 AVBitStreamFilterContext **bsfp;
4262 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4266 bsfp= *opt == 'v' ? &video_bitstream_filters :
4267 *opt == 'a' ? &audio_bitstream_filters :
4268 &subtitle_bitstream_filters;
4270 bsfp= &(*bsfp)->next;
4277 static int opt_preset(const char *opt, const char *arg)
4280 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4281 char *codec_name = *opt == 'v' ? video_codec_name :
4282 *opt == 'a' ? audio_codec_name :
4283 subtitle_codec_name;
4285 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4286 fprintf(stderr, "File for preset '%s' not found\n", arg);
4291 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4292 if(line[0] == '#' && !e)
4294 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4296 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
4299 if(!strcmp(tmp, "acodec")){
4300 opt_audio_codec(tmp2);
4301 }else if(!strcmp(tmp, "vcodec")){
4302 opt_video_codec(tmp2);
4303 }else if(!strcmp(tmp, "scodec")){
4304 opt_subtitle_codec(tmp2);
4305 }else if(!strcmp(tmp, "dcodec")){
4306 opt_data_codec(tmp2);
4307 }else if(opt_default(tmp, tmp2) < 0){
4308 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4318 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
4322 static void opt_passlogfile(const char *arg)
4324 pass_logfilename_prefix = arg;
4325 opt_default("passlogfile", arg);
4328 static const OptionDef options[] = {
4330 #include "cmdutils_common_opts.h"
4331 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4332 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4333 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4334 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4335 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile",
4336 "outfile[,metadata]:infile[,metadata]" },
4337 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4338 "outfile[,metadata]:infile[,metadata]" },
4339 { "map_chapters", HAS_ARG | OPT_EXPERT, {(void*)opt_map_chapters}, "set chapters mapping", "outfile:infile" },
4340 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4341 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4342 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4343 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4344 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
4345 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4346 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4347 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4348 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4349 "add timings for benchmarking" },
4350 { "timelimit", OPT_FUNC2 | HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4351 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4352 "dump each input packet" },
4353 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4354 "when dumping packets, also dump the payload" },
4355 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4356 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
4357 { "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)", "" },
4358 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
4359 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4360 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4361 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4362 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4363 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4364 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
4365 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4366 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4367 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4368 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4369 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4370 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4371 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4374 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4375 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4376 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4377 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4378 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4379 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4380 { "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" },
4381 { "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" },
4382 { "croptop", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4383 { "cropbottom", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4384 { "cropleft", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4385 { "cropright", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4386 { "padtop", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4387 { "padbottom", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4388 { "padleft", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4389 { "padright", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4390 { "padcolor", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4391 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4392 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4393 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4394 { "qscale", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4395 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4396 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4397 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
4398 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
4399 "use same quantizer as source (implies VBR)" },
4400 { "pass", HAS_ARG | OPT_FUNC2 | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4401 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4402 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4403 "deinterlace pictures" },
4404 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4405 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4406 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4408 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4410 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4411 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4412 { "top", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4413 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4414 { "vtag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4415 { "newvideo", OPT_VIDEO | OPT_FUNC2, {(void*)opt_new_stream}, "add a new video stream to the current output stream" },
4416 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4417 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4418 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4419 { "streamid", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4420 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4423 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4424 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4425 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4426 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4427 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4428 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4429 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4430 { "atag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4431 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4432 { "newaudio", OPT_AUDIO | OPT_FUNC2, {(void*)opt_new_stream}, "add a new audio stream to the current output stream" },
4433 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4434 { "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" },
4436 /* subtitle options */
4437 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4438 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4439 { "newsubtitle", OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_new_stream}, "add a new subtitle stream to the current output stream" },
4440 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4441 { "stag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4444 { "vc", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
4445 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
4446 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4449 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4450 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4452 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4453 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4454 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4456 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4457 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4458 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4459 { "fpre", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
4460 /* data codec support */
4461 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4463 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4467 int main(int argc, char **argv)
4471 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4473 if(argc>1 && !strcmp(argv[1], "-d")){
4476 av_log_set_callback(log_callback_null);
4481 avcodec_register_all();
4483 avdevice_register_all();
4486 avfilter_register_all();
4491 if(isatty(STDIN_FILENO))
4492 avio_set_interrupt_cb(decode_interrupt_cb);
4500 parse_options(argc, argv, options, opt_output_file);
4502 if(nb_output_files <= 0 && nb_input_files == 0) {
4504 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffmpeg'\n");
4508 /* file converter / grab */
4509 if (nb_output_files <= 0) {
4510 fprintf(stderr, "At least one output file must be specified\n");
4514 if (nb_input_files == 0) {
4515 fprintf(stderr, "At least one input file must be specified\n");
4520 if (transcode(output_files, nb_output_files, input_files, nb_input_files,
4521 stream_maps, nb_stream_maps) < 0)
4523 ti = getutime() - ti;
4525 int maxrss = getmaxrss() / 1024;
4526 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4529 return ffmpeg_exit(0);