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 "libavcodec/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 #if !FF_API_MAX_STREAMS
117 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
120 static const char *last_asked_format = NULL;
121 static AVFormatContext *input_files[MAX_FILES];
122 static int64_t input_files_ts_offset[MAX_FILES];
123 static double *input_files_ts_scale[MAX_FILES] = {NULL};
124 static AVCodec **input_codecs = NULL;
125 static int nb_input_files = 0;
126 static int nb_input_codecs = 0;
127 static int nb_input_files_ts_scale[MAX_FILES] = {0};
129 static AVFormatContext *output_files[MAX_FILES];
130 static AVCodec **output_codecs = NULL;
131 static int nb_output_files = 0;
132 static int nb_output_codecs = 0;
134 static AVStreamMap *stream_maps = NULL;
135 static int nb_stream_maps;
137 /* first item specifies output metadata, second is input */
138 static AVMetaDataMap (*meta_data_maps)[2] = NULL;
139 static int nb_meta_data_maps;
140 static int metadata_global_autocopy = 1;
141 static int metadata_streams_autocopy = 1;
142 static int metadata_chapters_autocopy = 1;
144 static AVChapterMap *chapter_maps = NULL;
145 static int nb_chapter_maps;
147 /* indexed by output file stream index */
148 static int *streamid_map = NULL;
149 static int nb_streamid_map = 0;
151 static int frame_width = 0;
152 static int frame_height = 0;
153 static float frame_aspect_ratio = 0;
154 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
155 static int frame_bits_per_raw_sample = 0;
156 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
157 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
158 static AVRational frame_rate;
159 static float video_qscale = 0;
160 static uint16_t *intra_matrix = NULL;
161 static uint16_t *inter_matrix = NULL;
162 static const char *video_rc_override_string=NULL;
163 static int video_disable = 0;
164 static int video_discard = 0;
165 static char *video_codec_name = NULL;
166 static unsigned int video_codec_tag = 0;
167 static char *video_language = NULL;
168 static int same_quality = 0;
169 static int do_deinterlace = 0;
170 static int top_field_first = -1;
171 static int me_threshold = 0;
172 static int intra_dc_precision = 8;
173 static int loop_input = 0;
174 static int loop_output = AVFMT_NOOUTPUTLOOP;
175 static int qp_hist = 0;
177 static char *vfilters = NULL;
179 static unsigned int sws_flags = SWS_BICUBIC;
182 static int intra_only = 0;
183 static int audio_sample_rate = 44100;
184 static int64_t channel_layout = 0;
185 #define QSCALE_NONE -99999
186 static float audio_qscale = QSCALE_NONE;
187 static int audio_disable = 0;
188 static int audio_channels = 1;
189 static char *audio_codec_name = NULL;
190 static unsigned int audio_codec_tag = 0;
191 static char *audio_language = NULL;
193 static int subtitle_disable = 0;
194 static char *subtitle_codec_name = NULL;
195 static char *subtitle_language = NULL;
196 static unsigned int subtitle_codec_tag = 0;
198 static float mux_preload= 0.5;
199 static float mux_max_delay= 0.7;
201 static int64_t recording_time = INT64_MAX;
202 static int64_t start_time = 0;
203 static int64_t recording_timestamp = 0;
204 static int64_t input_ts_offset = 0;
205 static int file_overwrite = 0;
206 static AVMetadata *metadata;
207 static int do_benchmark = 0;
208 static int do_hex_dump = 0;
209 static int do_pkt_dump = 0;
210 static int do_psnr = 0;
211 static int do_pass = 0;
212 static char *pass_logfilename_prefix = NULL;
213 static int audio_stream_copy = 0;
214 static int video_stream_copy = 0;
215 static int subtitle_stream_copy = 0;
216 static int video_sync_method= -1;
217 static int audio_sync_method= 0;
218 static float audio_drift_threshold= 0.1;
219 static int copy_ts= 0;
221 static int opt_shortest = 0;
222 static int video_global_header = 0;
223 static char *vstats_filename;
224 static FILE *vstats_file;
225 static int opt_programid = 0;
226 static int copy_initial_nonkeyframes = 0;
228 static int rate_emu = 0;
230 static int video_channel = 0;
231 static char *video_standard;
233 static int audio_volume = 256;
235 static int exit_on_error = 0;
236 static int using_stdin = 0;
237 static int verbose = 1;
238 static int daemon = 0;
239 static int thread_count= 1;
240 static int q_pressed = 0;
241 static int64_t video_size = 0;
242 static int64_t audio_size = 0;
243 static int64_t extra_size = 0;
244 static int nb_frames_dup = 0;
245 static int nb_frames_drop = 0;
246 static int input_sync;
247 static uint64_t limit_filesize = 0;
248 static int force_fps = 0;
249 static char *forced_key_frames = NULL;
251 static float dts_delta_threshold = 10;
253 static int64_t timer_start;
255 static uint8_t *audio_buf;
256 static uint8_t *audio_out;
257 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
259 static short *samples;
261 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
262 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
263 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
265 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
267 struct AVInputStream;
269 typedef struct AVOutputStream {
270 int file_index; /* file index */
271 int index; /* stream index in the output file */
272 int source_index; /* AVInputStream index */
273 AVStream *st; /* stream in the output file */
274 int encoding_needed; /* true if encoding needed for this stream */
276 /* input pts and corresponding output pts
278 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
279 struct AVInputStream *sync_ist; /* input stream to sync against */
280 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
281 AVBitStreamFilterContext *bitstream_filters;
284 AVFrame pict_tmp; /* temporary image for resampling */
285 struct SwsContext *img_resample_ctx; /* for image resampling */
288 int resample_pix_fmt;
290 float frame_aspect_ratio;
292 /* forced key frames */
293 int64_t *forced_kf_pts;
299 ReSampleContext *resample; /* for audio resampling */
300 int resample_sample_fmt;
301 int resample_channels;
302 int resample_sample_rate;
304 AVAudioConvert *reformat_ctx;
305 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
309 AVFilterContext *output_video_filter;
310 AVFilterContext *input_video_filter;
311 AVFilterBufferRef *picref;
313 AVFilterGraph *graph;
317 static AVOutputStream **output_streams_for_file[MAX_FILES] = { NULL };
318 static int nb_output_streams_for_file[MAX_FILES] = { 0 };
320 typedef struct AVInputStream {
324 int discard; /* true if stream data should be discarded */
325 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
326 int64_t sample_index; /* current sample */
328 int64_t start; /* time when read started */
329 int64_t next_pts; /* synthetic pts for cases where pkt.pts
331 int64_t pts; /* current pts */
332 int is_start; /* is 1 at the start and after a discontinuity */
333 int showed_multi_packet_warning;
334 int is_past_recording_time;
336 AVFrame *filter_frame;
337 int has_filter_frame;
341 typedef struct AVInputFile {
342 int eof_reached; /* true if eof reached */
343 int ist_index; /* index of first stream in ist_table */
344 int buffer_size; /* current total buffer size */
345 int nb_streams; /* nb streams we are aware of */
350 /* init terminal so that we can grab keys */
351 static struct termios oldtty;
356 static int configure_video_filters(AVInputStream *ist, AVOutputStream *ost)
358 AVFilterContext *last_filter, *filter;
359 /** filter graph containing all filters including input & output */
360 AVCodecContext *codec = ost->st->codec;
361 AVCodecContext *icodec = ist->st->codec;
362 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
363 AVRational sample_aspect_ratio;
367 ost->graph = avfilter_graph_alloc();
369 if (ist->st->sample_aspect_ratio.num){
370 sample_aspect_ratio = ist->st->sample_aspect_ratio;
372 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
374 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
375 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
376 sample_aspect_ratio.num, sample_aspect_ratio.den);
378 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
379 "src", args, NULL, ost->graph);
382 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
383 "out", NULL, &ffsink_ctx, ost->graph);
386 last_filter = ost->input_video_filter;
388 if (codec->width != icodec->width || codec->height != icodec->height) {
389 snprintf(args, 255, "%d:%d:flags=0x%X",
392 (int)av_get_int(sws_opts, "sws_flags", NULL));
393 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
394 NULL, args, NULL, ost->graph)) < 0)
396 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
398 last_filter = filter;
401 snprintf(args, sizeof(args), "flags=0x%X", (int)av_get_int(sws_opts, "sws_flags", NULL));
402 ost->graph->scale_sws_opts = av_strdup(args);
405 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
406 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
408 outputs->name = av_strdup("in");
409 outputs->filter_ctx = last_filter;
410 outputs->pad_idx = 0;
411 outputs->next = NULL;
413 inputs->name = av_strdup("out");
414 inputs->filter_ctx = ost->output_video_filter;
418 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
420 av_freep(&ost->avfilter);
422 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
426 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
429 codec->width = ost->output_video_filter->inputs[0]->w;
430 codec->height = ost->output_video_filter->inputs[0]->h;
431 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
432 ost->frame_aspect_ratio ? // overriden by the -aspect cli option
433 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
434 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
438 #endif /* CONFIG_AVFILTER */
440 static void term_exit(void)
442 av_log(NULL, AV_LOG_QUIET, "");
445 tcsetattr (0, TCSANOW, &oldtty);
449 static volatile int received_sigterm = 0;
452 sigterm_handler(int sig)
454 received_sigterm = sig;
459 static void term_init(void)
469 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
470 |INLCR|IGNCR|ICRNL|IXON);
471 tty.c_oflag |= OPOST;
472 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
473 tty.c_cflag &= ~(CSIZE|PARENB);
478 tcsetattr (0, TCSANOW, &tty);
479 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
483 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
484 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
486 signal(SIGXCPU, sigterm_handler);
490 /* read a key without blocking */
491 static int read_key(void)
506 n = select(1, &rfds, NULL, NULL, &tv);
521 static int decode_interrupt_cb(void)
523 q_pressed += read_key() == 'q';
524 return q_pressed > 1;
527 static int ffmpeg_exit(int ret)
532 for(i=0;i<nb_output_files;i++) {
533 AVFormatContext *s = output_files[i];
534 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
536 avformat_free_context(s);
537 av_free(output_streams_for_file[i]);
539 for(i=0;i<nb_input_files;i++) {
540 av_close_input_file(input_files[i]);
541 av_free(input_files_ts_scale[i]);
544 av_free(intra_matrix);
545 av_free(inter_matrix);
549 av_free(vstats_filename);
551 av_free(streamid_map);
552 av_free(input_codecs);
553 av_free(output_codecs);
554 av_free(stream_maps);
555 av_free(meta_data_maps);
557 av_free(video_codec_name);
558 av_free(audio_codec_name);
559 av_free(subtitle_codec_name);
561 av_free(video_standard);
566 allocated_audio_buf_size= allocated_audio_out_size= 0;
573 if (received_sigterm) {
575 "Received signal %d: terminating.\n",
576 (int) received_sigterm);
580 exit(ret); /* not all OS-es handle main() return value */
584 /* similar to ff_dynarray_add() and av_fast_realloc() */
585 static void *grow_array(void *array, int elem_size, int *size, int new_size)
587 if (new_size >= INT_MAX / elem_size) {
588 fprintf(stderr, "Array too big.\n");
591 if (*size < new_size) {
592 uint8_t *tmp = av_realloc(array, new_size*elem_size);
594 fprintf(stderr, "Could not alloc buffer.\n");
597 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
604 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
606 if(codec && codec->sample_fmts){
607 const enum AVSampleFormat *p= codec->sample_fmts;
609 if(*p == st->codec->sample_fmt)
613 av_log(NULL, AV_LOG_WARNING,
614 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
615 av_get_sample_fmt_name(st->codec->sample_fmt),
617 av_get_sample_fmt_name(codec->sample_fmts[0]));
618 st->codec->sample_fmt = codec->sample_fmts[0];
623 static void choose_sample_rate(AVStream *st, AVCodec *codec)
625 if(codec && codec->supported_samplerates){
626 const int *p= codec->supported_samplerates;
628 int best_dist=INT_MAX;
630 int dist= abs(st->codec->sample_rate - *p);
631 if(dist < best_dist){
637 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
639 st->codec->sample_rate= best;
643 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
645 if(codec && codec->pix_fmts){
646 const enum PixelFormat *p= codec->pix_fmts;
647 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
648 if(st->codec->codec_id==CODEC_ID_MJPEG){
649 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
650 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
651 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};
655 if(*p == st->codec->pix_fmt)
659 if(st->codec->pix_fmt != PIX_FMT_NONE)
660 av_log(NULL, AV_LOG_WARNING,
661 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
662 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
664 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
665 st->codec->pix_fmt = codec->pix_fmts[0];
670 static AVOutputStream *new_output_stream(AVFormatContext *oc, int file_idx)
672 int idx = oc->nb_streams - 1;
675 output_streams_for_file[file_idx] =
676 grow_array(output_streams_for_file[file_idx],
677 sizeof(*output_streams_for_file[file_idx]),
678 &nb_output_streams_for_file[file_idx],
680 ost = output_streams_for_file[file_idx][idx] =
681 av_mallocz(sizeof(AVOutputStream));
683 fprintf(stderr, "Could not alloc output stream\n");
686 ost->file_index = file_idx;
691 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
697 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
700 /* copy stream format */
702 for(i=0;i<ic->nb_streams;i++) {
708 // FIXME: a more elegant solution is needed
709 st = av_mallocz(sizeof(AVStream));
710 memcpy(st, ic->streams[i], sizeof(AVStream));
711 st->codec = avcodec_alloc_context();
713 print_error(filename, AVERROR(ENOMEM));
716 avcodec_copy_context(st->codec, ic->streams[i]->codec);
719 codec = avcodec_find_encoder(st->codec->codec_id);
720 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
721 if (audio_stream_copy) {
724 choose_sample_fmt(st, codec);
725 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
726 if (video_stream_copy) {
729 choose_pixel_fmt(st, codec);
732 if(st->codec->flags & CODEC_FLAG_BITEXACT)
735 new_output_stream(s, nb_output_files);
739 s->timestamp = av_gettime();
741 av_close_input_file(ic);
746 get_sync_ipts(const AVOutputStream *ost)
748 const AVInputStream *ist = ost->sync_ist;
749 return (double)(ist->pts - start_time)/AV_TIME_BASE;
752 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
756 AVPacket new_pkt= *pkt;
757 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
758 &new_pkt.data, &new_pkt.size,
759 pkt->data, pkt->size,
760 pkt->flags & AV_PKT_FLAG_KEY);
763 new_pkt.destruct= av_destruct_packet;
765 fprintf(stderr, "%s failed for stream %d, codec %s",
766 bsfc->filter->name, pkt->stream_index,
767 avctx->codec ? avctx->codec->name : "copy");
777 ret= av_interleaved_write_frame(s, pkt);
779 print_error("av_interleaved_write_frame()", ret);
784 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
786 static void do_audio_out(AVFormatContext *s,
789 unsigned char *buf, int size)
792 int64_t audio_out_size, audio_buf_size;
793 int64_t allocated_for_size= size;
795 int size_out, frame_bytes, ret, resample_changed;
796 AVCodecContext *enc= ost->st->codec;
797 AVCodecContext *dec= ist->st->codec;
798 int osize= av_get_bits_per_sample_fmt(enc->sample_fmt)/8;
799 int isize= av_get_bits_per_sample_fmt(dec->sample_fmt)/8;
800 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
803 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
804 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
805 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
806 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
807 audio_buf_size*= osize*enc->channels;
809 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
810 if(coded_bps > 8*osize)
811 audio_out_size= audio_out_size * coded_bps / (8*osize);
812 audio_out_size += FF_MIN_BUFFER_SIZE;
814 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
815 fprintf(stderr, "Buffer sizes too large\n");
819 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
820 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
821 if (!audio_buf || !audio_out){
822 fprintf(stderr, "Out of memory in do_audio_out\n");
826 if (enc->channels != dec->channels)
827 ost->audio_resample = 1;
829 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
830 ost->resample_channels != dec->channels ||
831 ost->resample_sample_rate != dec->sample_rate;
833 if ((ost->audio_resample && !ost->resample) || resample_changed) {
834 if (resample_changed) {
835 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",
836 ist->file_index, ist->index,
837 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
838 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
839 ost->resample_sample_fmt = dec->sample_fmt;
840 ost->resample_channels = dec->channels;
841 ost->resample_sample_rate = dec->sample_rate;
843 audio_resample_close(ost->resample);
845 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
846 if (audio_sync_method <= 1 &&
847 ost->resample_sample_fmt == enc->sample_fmt &&
848 ost->resample_channels == enc->channels &&
849 ost->resample_sample_rate == enc->sample_rate) {
850 ost->resample = NULL;
851 ost->audio_resample = 0;
853 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
854 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
855 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
856 enc->sample_rate, dec->sample_rate,
857 enc->sample_fmt, dec->sample_fmt,
859 if (!ost->resample) {
860 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
861 dec->channels, dec->sample_rate,
862 enc->channels, enc->sample_rate);
868 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
869 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
870 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
871 if (ost->reformat_ctx)
872 av_audio_convert_free(ost->reformat_ctx);
873 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
874 dec->sample_fmt, 1, NULL, 0);
875 if (!ost->reformat_ctx) {
876 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
877 av_get_sample_fmt_name(dec->sample_fmt),
878 av_get_sample_fmt_name(enc->sample_fmt));
881 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
884 if(audio_sync_method){
885 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
886 - av_fifo_size(ost->fifo)/(enc->channels * 2);
887 double idelta= delta*dec->sample_rate / enc->sample_rate;
888 int byte_delta= ((int)idelta)*2*dec->channels;
890 //FIXME resample delay
891 if(fabs(delta) > 50){
892 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
894 byte_delta= FFMAX(byte_delta, -size);
898 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
903 static uint8_t *input_tmp= NULL;
904 input_tmp= av_realloc(input_tmp, byte_delta + size);
906 if(byte_delta > allocated_for_size - size){
907 allocated_for_size= byte_delta + (int64_t)size;
912 memset(input_tmp, 0, byte_delta);
913 memcpy(input_tmp + byte_delta, buf, size);
917 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
919 }else if(audio_sync_method>1){
920 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
921 av_assert0(ost->audio_resample);
923 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
924 // 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));
925 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
929 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
930 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
932 if (ost->audio_resample) {
934 size_out = audio_resample(ost->resample,
935 (short *)buftmp, (short *)buf,
936 size / (dec->channels * isize));
937 size_out = size_out * enc->channels * osize;
943 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
944 const void *ibuf[6]= {buftmp};
945 void *obuf[6]= {audio_buf};
946 int istride[6]= {isize};
947 int ostride[6]= {osize};
948 int len= size_out/istride[0];
949 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
950 printf("av_audio_convert() failed\n");
956 size_out = len*osize;
959 /* now encode as many frames as possible */
960 if (enc->frame_size > 1) {
961 /* output resampled raw samples */
962 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
963 fprintf(stderr, "av_fifo_realloc2() failed\n");
966 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
968 frame_bytes = enc->frame_size * osize * enc->channels;
970 while (av_fifo_size(ost->fifo) >= frame_bytes) {
972 av_init_packet(&pkt);
974 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
976 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
978 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
981 fprintf(stderr, "Audio encoding failed\n");
985 pkt.stream_index= ost->index;
988 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
989 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
990 pkt.flags |= AV_PKT_FLAG_KEY;
991 write_frame(s, &pkt, enc, ost->bitstream_filters);
993 ost->sync_opts += enc->frame_size;
997 av_init_packet(&pkt);
999 ost->sync_opts += size_out / (osize * enc->channels);
1001 /* output a pcm frame */
1002 /* determine the size of the coded buffer */
1005 size_out = size_out*coded_bps/8;
1007 if(size_out > audio_out_size){
1008 fprintf(stderr, "Internal error, buffer size too small\n");
1012 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1013 ret = avcodec_encode_audio(enc, audio_out, size_out,
1016 fprintf(stderr, "Audio encoding failed\n");
1020 pkt.stream_index= ost->index;
1021 pkt.data= audio_out;
1023 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1024 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1025 pkt.flags |= AV_PKT_FLAG_KEY;
1026 write_frame(s, &pkt, enc, ost->bitstream_filters);
1030 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
1032 AVCodecContext *dec;
1033 AVPicture *picture2;
1034 AVPicture picture_tmp;
1037 dec = ist->st->codec;
1039 /* deinterlace : must be done before any resize */
1040 if (do_deinterlace) {
1043 /* create temporary picture */
1044 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1045 buf = av_malloc(size);
1049 picture2 = &picture_tmp;
1050 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1052 if(avpicture_deinterlace(picture2, picture,
1053 dec->pix_fmt, dec->width, dec->height) < 0) {
1054 /* if error, do not deinterlace */
1055 fprintf(stderr, "Deinterlacing failed\n");
1064 if (picture != picture2)
1065 *picture = *picture2;
1069 /* we begin to correct av delay at this threshold */
1070 #define AV_DELAY_MAX 0.100
1072 static void do_subtitle_out(AVFormatContext *s,
1073 AVOutputStream *ost,
1078 static uint8_t *subtitle_out = NULL;
1079 int subtitle_out_max_size = 1024 * 1024;
1080 int subtitle_out_size, nb, i;
1081 AVCodecContext *enc;
1084 if (pts == AV_NOPTS_VALUE) {
1085 fprintf(stderr, "Subtitle packets must have a pts\n");
1091 enc = ost->st->codec;
1093 if (!subtitle_out) {
1094 subtitle_out = av_malloc(subtitle_out_max_size);
1097 /* Note: DVB subtitle need one packet to draw them and one other
1098 packet to clear them */
1099 /* XXX: signal it in the codec context ? */
1100 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1105 for(i = 0; i < nb; i++) {
1106 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1107 // start_display_time is required to be 0
1108 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1109 sub->end_display_time -= sub->start_display_time;
1110 sub->start_display_time = 0;
1111 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1112 subtitle_out_max_size, sub);
1113 if (subtitle_out_size < 0) {
1114 fprintf(stderr, "Subtitle encoding failed\n");
1118 av_init_packet(&pkt);
1119 pkt.stream_index = ost->index;
1120 pkt.data = subtitle_out;
1121 pkt.size = subtitle_out_size;
1122 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1123 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1124 /* XXX: the pts correction is handled here. Maybe handling
1125 it in the codec would be better */
1127 pkt.pts += 90 * sub->start_display_time;
1129 pkt.pts += 90 * sub->end_display_time;
1131 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1135 static int bit_buffer_size= 1024*256;
1136 static uint8_t *bit_buffer= NULL;
1138 static void do_video_out(AVFormatContext *s,
1139 AVOutputStream *ost,
1141 AVFrame *in_picture,
1144 int nb_frames, i, ret, resample_changed;
1145 AVFrame *final_picture, *formatted_picture, *resampling_dst;
1146 AVCodecContext *enc, *dec;
1149 enc = ost->st->codec;
1150 dec = ist->st->codec;
1152 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1154 /* by default, we output a single frame */
1159 if(video_sync_method){
1160 double vdelta = sync_ipts - ost->sync_opts;
1161 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1164 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1167 }else if(vdelta>0.6)
1168 ost->sync_opts= lrintf(sync_ipts);
1169 }else if (vdelta > 1.1)
1170 nb_frames = lrintf(vdelta);
1171 //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);
1172 if (nb_frames == 0){
1175 fprintf(stderr, "*** drop!\n");
1176 }else if (nb_frames > 1) {
1177 nb_frames_dup += nb_frames - 1;
1179 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1182 ost->sync_opts= lrintf(sync_ipts);
1184 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1188 formatted_picture = in_picture;
1189 final_picture = formatted_picture;
1190 resampling_dst = &ost->pict_tmp;
1192 resample_changed = ost->resample_width != dec->width ||
1193 ost->resample_height != dec->height ||
1194 ost->resample_pix_fmt != dec->pix_fmt;
1196 if (resample_changed) {
1197 av_log(NULL, AV_LOG_INFO,
1198 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1199 ist->file_index, ist->index,
1200 ost->resample_width, ost->resample_height, avcodec_get_pix_fmt_name(ost->resample_pix_fmt),
1201 dec->width , dec->height , avcodec_get_pix_fmt_name(dec->pix_fmt));
1202 if(!ost->video_resample)
1206 #if !CONFIG_AVFILTER
1207 if (ost->video_resample) {
1208 final_picture = &ost->pict_tmp;
1209 if (resample_changed) {
1210 /* initialize a new scaler context */
1211 sws_freeContext(ost->img_resample_ctx);
1212 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1213 ost->img_resample_ctx = sws_getContext(
1214 ist->st->codec->width,
1215 ist->st->codec->height,
1216 ist->st->codec->pix_fmt,
1217 ost->st->codec->width,
1218 ost->st->codec->height,
1219 ost->st->codec->pix_fmt,
1220 sws_flags, NULL, NULL, NULL);
1221 if (ost->img_resample_ctx == NULL) {
1222 fprintf(stderr, "Cannot get resampling context\n");
1226 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1227 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1231 /* duplicates frame if needed */
1232 for(i=0;i<nb_frames;i++) {
1234 av_init_packet(&pkt);
1235 pkt.stream_index= ost->index;
1237 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1238 /* raw pictures are written as AVPicture structure to
1239 avoid any copies. We support temorarily the older
1241 AVFrame* old_frame = enc->coded_frame;
1242 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1243 pkt.data= (uint8_t *)final_picture;
1244 pkt.size= sizeof(AVPicture);
1245 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1246 pkt.flags |= AV_PKT_FLAG_KEY;
1248 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1249 enc->coded_frame = old_frame;
1251 AVFrame big_picture;
1253 big_picture= *final_picture;
1254 /* better than nothing: use input picture interlaced
1256 big_picture.interlaced_frame = in_picture->interlaced_frame;
1257 if(avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1258 if(top_field_first == -1)
1259 big_picture.top_field_first = in_picture->top_field_first;
1261 big_picture.top_field_first = top_field_first;
1264 /* handles sameq here. This is not correct because it may
1265 not be a global option */
1266 big_picture.quality = same_quality ? ist->st->quality : ost->st->quality;
1268 big_picture.pict_type = 0;
1269 // big_picture.pts = AV_NOPTS_VALUE;
1270 big_picture.pts= ost->sync_opts;
1271 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1272 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1273 if (ost->forced_kf_index < ost->forced_kf_count &&
1274 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1275 big_picture.pict_type = FF_I_TYPE;
1276 ost->forced_kf_index++;
1278 ret = avcodec_encode_video(enc,
1279 bit_buffer, bit_buffer_size,
1282 fprintf(stderr, "Video encoding failed\n");
1287 pkt.data= bit_buffer;
1289 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1290 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1291 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1292 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1293 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1295 if(enc->coded_frame->key_frame)
1296 pkt.flags |= AV_PKT_FLAG_KEY;
1297 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1300 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1301 // enc->frame_number-1, ret, enc->pict_type);
1302 /* if two pass, output log */
1303 if (ost->logfile && enc->stats_out) {
1304 fprintf(ost->logfile, "%s", enc->stats_out);
1309 ost->frame_number++;
1313 static double psnr(double d){
1314 return -10.0*log(d)/log(10.0);
1317 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1320 AVCodecContext *enc;
1322 double ti1, bitrate, avg_bitrate;
1324 /* this is executed just the first time do_video_stats is called */
1326 vstats_file = fopen(vstats_filename, "w");
1333 enc = ost->st->codec;
1334 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1335 frame_number = ost->frame_number;
1336 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1337 if (enc->flags&CODEC_FLAG_PSNR)
1338 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1340 fprintf(vstats_file,"f_size= %6d ", frame_size);
1341 /* compute pts value */
1342 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1346 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1347 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1348 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1349 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1350 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1354 static void print_report(AVFormatContext **output_files,
1355 AVOutputStream **ost_table, int nb_ostreams,
1359 AVOutputStream *ost;
1360 AVFormatContext *oc;
1362 AVCodecContext *enc;
1363 int frame_number, vid, i;
1364 double bitrate, ti1, pts;
1365 static int64_t last_time = -1;
1366 static int qp_histogram[52];
1368 if (!is_last_report) {
1370 /* display the report every 0.5 seconds */
1371 cur_time = av_gettime();
1372 if (last_time == -1) {
1373 last_time = cur_time;
1376 if ((cur_time - last_time) < 500000)
1378 last_time = cur_time;
1382 oc = output_files[0];
1384 total_size = avio_size(oc->pb);
1385 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1386 total_size= avio_tell(oc->pb);
1391 for(i=0;i<nb_ostreams;i++) {
1394 enc = ost->st->codec;
1395 if(!ost->st->stream_copy && enc->coded_frame)
1396 q= enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1397 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1398 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1400 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1401 float t = (av_gettime()-timer_start) / 1000000.0;
1403 frame_number = ost->frame_number;
1404 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1405 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1407 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1411 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1414 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1416 if (enc->flags&CODEC_FLAG_PSNR){
1418 double error, error_sum=0;
1419 double scale, scale_sum=0;
1420 char type[3]= {'Y','U','V'};
1421 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1424 error= enc->error[j];
1425 scale= enc->width*enc->height*255.0*255.0*frame_number;
1427 error= enc->coded_frame->error[j];
1428 scale= enc->width*enc->height*255.0*255.0;
1433 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1435 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1439 /* compute min output value */
1440 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1441 if ((pts < ti1) && (pts > 0))
1447 if (verbose > 0 || is_last_report) {
1448 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1450 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1451 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1452 (double)total_size / 1024, ti1, bitrate);
1454 if (nb_frames_dup || nb_frames_drop)
1455 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1456 nb_frames_dup, nb_frames_drop);
1459 fprintf(stderr, "%s \r", buf);
1464 if (is_last_report && verbose >= 0){
1465 int64_t raw= audio_size + video_size + extra_size;
1466 fprintf(stderr, "\n");
1467 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1471 100.0*(total_size - raw)/raw
1476 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1478 int fill_char = 0x00;
1479 if (sample_fmt == AV_SAMPLE_FMT_U8)
1481 memset(buf, fill_char, size);
1484 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1485 static int output_packet(AVInputStream *ist, int ist_index,
1486 AVOutputStream **ost_table, int nb_ostreams,
1487 const AVPacket *pkt)
1489 AVFormatContext *os;
1490 AVOutputStream *ost;
1494 void *buffer_to_free;
1495 static unsigned int samples_size= 0;
1496 AVSubtitle subtitle, *subtitle_to_free;
1497 int64_t pkt_pts = AV_NOPTS_VALUE;
1499 int frame_available;
1503 int bps = av_get_bits_per_sample_fmt(ist->st->codec->sample_fmt)>>3;
1505 if(ist->next_pts == AV_NOPTS_VALUE)
1506 ist->next_pts= ist->pts;
1510 av_init_packet(&avpkt);
1518 if(pkt->dts != AV_NOPTS_VALUE)
1519 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1520 if(pkt->pts != AV_NOPTS_VALUE)
1521 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1523 //while we have more to decode or while the decoder did output something on EOF
1524 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1525 uint8_t *data_buf, *decoded_data_buf;
1526 int data_size, decoded_data_size;
1528 ist->pts= ist->next_pts;
1530 if(avpkt.size && avpkt.size != pkt->size &&
1531 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1532 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1533 ist->showed_multi_packet_warning=1;
1536 /* decode the packet if needed */
1537 decoded_data_buf = NULL; /* fail safe */
1538 decoded_data_size= 0;
1539 data_buf = avpkt.data;
1540 data_size = avpkt.size;
1541 subtitle_to_free = NULL;
1542 if (ist->decoding_needed) {
1543 switch(ist->st->codec->codec_type) {
1544 case AVMEDIA_TYPE_AUDIO:{
1545 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1546 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1548 samples= av_malloc(samples_size);
1550 decoded_data_size= samples_size;
1551 /* XXX: could avoid copy if PCM 16 bits with same
1552 endianness as CPU */
1553 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1560 /* Some bug in mpeg audio decoder gives */
1561 /* decoded_data_size < 0, it seems they are overflows */
1562 if (decoded_data_size <= 0) {
1563 /* no audio frame */
1566 decoded_data_buf = (uint8_t *)samples;
1567 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1568 (ist->st->codec->sample_rate * ist->st->codec->channels);
1570 case AVMEDIA_TYPE_VIDEO:
1571 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1572 /* XXX: allocate picture correctly */
1573 avcodec_get_frame_defaults(&picture);
1574 avpkt.pts = pkt_pts;
1575 avpkt.dts = ist->pts;
1576 pkt_pts = AV_NOPTS_VALUE;
1578 ret = avcodec_decode_video2(ist->st->codec,
1579 &picture, &got_picture, &avpkt);
1580 ist->st->quality= picture.quality;
1584 /* no picture yet */
1585 goto discard_packet;
1587 ist->next_pts = ist->pts = picture.best_effort_timestamp;
1588 if (ist->st->codec->time_base.num != 0) {
1589 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1590 ist->next_pts += ((int64_t)AV_TIME_BASE *
1591 ist->st->codec->time_base.num * ticks) /
1592 ist->st->codec->time_base.den;
1596 case AVMEDIA_TYPE_SUBTITLE:
1597 ret = avcodec_decode_subtitle2(ist->st->codec,
1598 &subtitle, &got_picture, &avpkt);
1602 goto discard_packet;
1604 subtitle_to_free = &subtitle;
1611 switch(ist->st->codec->codec_type) {
1612 case AVMEDIA_TYPE_AUDIO:
1613 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1614 ist->st->codec->sample_rate;
1616 case AVMEDIA_TYPE_VIDEO:
1617 if (ist->st->codec->time_base.num != 0) {
1618 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1619 ist->next_pts += ((int64_t)AV_TIME_BASE *
1620 ist->st->codec->time_base.num * ticks) /
1621 ist->st->codec->time_base.den;
1629 buffer_to_free = NULL;
1630 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1631 pre_process_video_frame(ist, (AVPicture *)&picture,
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) {
1641 if (ist->st->sample_aspect_ratio.num) sar = ist->st->sample_aspect_ratio;
1642 else sar = ist->st->codec->sample_aspect_ratio;
1643 // add it to be filtered
1644 av_vsrc_buffer_add_frame2(ost->input_video_filter, &picture,
1646 sar, ist->st->codec->width, ist->st->codec->height,
1647 ist->st->codec->pix_fmt, "0:0"); //TODO user setable params
1653 // preprocess audio (volume)
1654 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1655 if (audio_volume != 256) {
1658 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1659 int v = ((*volp) * audio_volume + 128) >> 8;
1660 if (v < -32768) v = -32768;
1661 if (v > 32767) v = 32767;
1667 /* frame rate emulation */
1669 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1670 int64_t now = av_gettime() - ist->start;
1674 /* if output time reached then transcode raw format,
1675 encode packets and output them */
1676 if (start_time == 0 || ist->pts >= start_time)
1677 for(i=0;i<nb_ostreams;i++) {
1681 if (ost->source_index == ist_index) {
1683 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1684 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1685 while (frame_available) {
1686 AVRational ist_pts_tb;
1687 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1688 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1690 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1692 os = output_files[ost->file_index];
1694 /* set the input output pts pairs */
1695 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1697 if (ost->encoding_needed) {
1698 av_assert0(ist->decoding_needed);
1699 switch(ost->st->codec->codec_type) {
1700 case AVMEDIA_TYPE_AUDIO:
1701 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1703 case AVMEDIA_TYPE_VIDEO:
1705 if (ost->picref->video && !ost->frame_aspect_ratio)
1706 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1708 do_video_out(os, ost, ist, &picture, &frame_size);
1709 if (vstats_filename && frame_size)
1710 do_video_stats(os, ost, frame_size);
1712 case AVMEDIA_TYPE_SUBTITLE:
1713 do_subtitle_out(os, ost, ist, &subtitle,
1720 AVFrame avframe; //FIXME/XXX remove this
1722 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1724 av_init_packet(&opkt);
1726 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1727 #if !CONFIG_AVFILTER
1733 /* no reencoding needed : output the packet directly */
1734 /* force the input stream PTS */
1736 avcodec_get_frame_defaults(&avframe);
1737 ost->st->codec->coded_frame= &avframe;
1738 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1740 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1741 audio_size += data_size;
1742 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1743 video_size += data_size;
1747 opkt.stream_index= ost->index;
1748 if(pkt->pts != AV_NOPTS_VALUE)
1749 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1751 opkt.pts= AV_NOPTS_VALUE;
1753 if (pkt->dts == AV_NOPTS_VALUE)
1754 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1756 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1757 opkt.dts -= ost_tb_start_time;
1759 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1760 opkt.flags= pkt->flags;
1762 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1763 if( ost->st->codec->codec_id != CODEC_ID_H264
1764 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1765 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1767 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1768 opkt.destruct= av_destruct_packet;
1770 opkt.data = data_buf;
1771 opkt.size = data_size;
1774 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1775 ost->st->codec->frame_number++;
1776 ost->frame_number++;
1777 av_free_packet(&opkt);
1781 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1782 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1784 avfilter_unref_buffer(ost->picref);
1790 av_free(buffer_to_free);
1791 /* XXX: allocate the subtitles in the codec ? */
1792 if (subtitle_to_free) {
1793 avsubtitle_free(subtitle_to_free);
1794 subtitle_to_free = NULL;
1801 for(i=0;i<nb_ostreams;i++) {
1803 if (ost->source_index == ist_index) {
1804 AVCodecContext *enc= ost->st->codec;
1805 os = output_files[ost->file_index];
1807 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1809 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1812 if (ost->encoding_needed) {
1816 av_init_packet(&pkt);
1817 pkt.stream_index= ost->index;
1819 switch(ost->st->codec->codec_type) {
1820 case AVMEDIA_TYPE_AUDIO:
1821 fifo_bytes = av_fifo_size(ost->fifo);
1823 /* encode any samples remaining in fifo */
1824 if (fifo_bytes > 0) {
1825 int osize = av_get_bits_per_sample_fmt(enc->sample_fmt) >> 3;
1826 int fs_tmp = enc->frame_size;
1828 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1829 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1830 enc->frame_size = fifo_bytes / (osize * enc->channels);
1832 int frame_bytes = enc->frame_size*osize*enc->channels;
1833 if (allocated_audio_buf_size < frame_bytes)
1835 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1838 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1839 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1840 ost->st->time_base.num, enc->sample_rate);
1841 enc->frame_size = fs_tmp;
1844 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1847 fprintf(stderr, "Audio encoding failed\n");
1851 pkt.flags |= AV_PKT_FLAG_KEY;
1853 case AVMEDIA_TYPE_VIDEO:
1854 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1856 fprintf(stderr, "Video encoding failed\n");
1860 if(enc->coded_frame && enc->coded_frame->key_frame)
1861 pkt.flags |= AV_PKT_FLAG_KEY;
1862 if (ost->logfile && enc->stats_out) {
1863 fprintf(ost->logfile, "%s", enc->stats_out);
1872 pkt.data= bit_buffer;
1874 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1875 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1876 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1888 static void print_sdp(AVFormatContext **avc, int n)
1892 av_sdp_create(avc, n, sdp, sizeof(sdp));
1893 printf("SDP:\n%s\n", sdp);
1897 static int copy_chapters(int infile, int outfile)
1899 AVFormatContext *is = input_files[infile];
1900 AVFormatContext *os = output_files[outfile];
1903 for (i = 0; i < is->nb_chapters; i++) {
1904 AVChapter *in_ch = is->chapters[i], *out_ch;
1905 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
1906 AV_TIME_BASE_Q, in_ch->time_base);
1907 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1908 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1911 if (in_ch->end < ts_off)
1913 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1916 out_ch = av_mallocz(sizeof(AVChapter));
1918 return AVERROR(ENOMEM);
1920 out_ch->id = in_ch->id;
1921 out_ch->time_base = in_ch->time_base;
1922 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1923 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1925 if (metadata_chapters_autocopy)
1926 av_metadata_copy(&out_ch->metadata, in_ch->metadata, 0);
1929 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1931 return AVERROR(ENOMEM);
1932 os->chapters[os->nb_chapters - 1] = out_ch;
1937 static void parse_forced_key_frames(char *kf, AVOutputStream *ost,
1938 AVCodecContext *avctx)
1944 for (p = kf; *p; p++)
1947 ost->forced_kf_count = n;
1948 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1949 if (!ost->forced_kf_pts) {
1950 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1953 for (i = 0; i < n; i++) {
1954 p = i ? strchr(p, ',') + 1 : kf;
1955 t = parse_time_or_die("force_key_frames", p, 1);
1956 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1961 * The following code is the main loop of the file converter
1963 static int transcode(AVFormatContext **output_files,
1964 int nb_output_files,
1965 AVFormatContext **input_files,
1967 AVStreamMap *stream_maps, int nb_stream_maps)
1969 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0, step;
1970 AVFormatContext *is, *os;
1971 AVCodecContext *codec, *icodec;
1972 AVOutputStream *ost, **ost_table = NULL;
1973 AVInputStream *ist, **ist_table = NULL;
1974 AVInputFile *file_table;
1978 uint8_t no_packet[MAX_FILES]={0};
1979 int no_packet_count=0;
1980 int nb_frame_threshold[AVMEDIA_TYPE_NB]={0};
1981 int nb_streams[AVMEDIA_TYPE_NB]={0};
1983 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1987 /* input stream init */
1989 for(i=0;i<nb_input_files;i++) {
1990 is = input_files[i];
1991 file_table[i].ist_index = j;
1992 file_table[i].nb_streams = is->nb_streams;
1993 j += is->nb_streams;
1997 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
2001 for(i=0;i<nb_istreams;i++) {
2002 ist = av_mallocz(sizeof(AVInputStream));
2008 for(i=0;i<nb_input_files;i++) {
2009 is = input_files[i];
2010 for(k=0;k<is->nb_streams;k++) {
2011 ist = ist_table[j++];
2012 ist->st = is->streams[k];
2013 ist->file_index = i;
2015 ist->discard = 1; /* the stream is discarded by default
2019 ist->start = av_gettime();
2024 /* output stream init */
2026 for(i=0;i<nb_output_files;i++) {
2027 os = output_files[i];
2028 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
2029 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2030 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
2031 ret = AVERROR(EINVAL);
2034 nb_ostreams += os->nb_streams;
2036 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
2037 fprintf(stderr, "Number of stream maps must match number of output streams\n");
2038 ret = AVERROR(EINVAL);
2042 /* Sanity check the mapping args -- do the input files & streams exist? */
2043 for(i=0;i<nb_stream_maps;i++) {
2044 int fi = stream_maps[i].file_index;
2045 int si = stream_maps[i].stream_index;
2047 if (fi < 0 || fi > nb_input_files - 1 ||
2048 si < 0 || si > file_table[fi].nb_streams - 1) {
2049 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
2050 ret = AVERROR(EINVAL);
2053 fi = stream_maps[i].sync_file_index;
2054 si = stream_maps[i].sync_stream_index;
2055 if (fi < 0 || fi > nb_input_files - 1 ||
2056 si < 0 || si > file_table[fi].nb_streams - 1) {
2057 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
2058 ret = AVERROR(EINVAL);
2063 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
2067 for(k=0;k<nb_output_files;k++) {
2068 os = output_files[k];
2069 for(i=0;i<os->nb_streams;i++,n++) {
2070 nb_streams[os->streams[i]->codec->codec_type]++;
2073 for(step=1<<30; step; step>>=1){
2074 int found_streams[AVMEDIA_TYPE_NB]={0};
2075 for(j=0; j<AVMEDIA_TYPE_NB; j++)
2076 nb_frame_threshold[j] += step;
2078 for(j=0; j<nb_istreams; j++) {
2083 AVFormatContext *f= input_files[ ist->file_index ];
2085 for(pi=0; pi<f->nb_programs; pi++){
2086 AVProgram *p= f->programs[pi];
2087 if(p->id == opt_programid)
2088 for(si=0; si<p->nb_stream_indexes; si++){
2089 if(f->streams[ p->stream_index[si] ] == ist->st)
2094 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip
2095 && nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames){
2096 found_streams[ist->st->codec->codec_type]++;
2099 for(j=0; j<AVMEDIA_TYPE_NB; j++)
2100 if(found_streams[j] < nb_streams[j])
2101 nb_frame_threshold[j] -= step;
2104 for(k=0;k<nb_output_files;k++) {
2105 os = output_files[k];
2106 for(i=0;i<os->nb_streams;i++,n++) {
2108 ost = ost_table[n] = output_streams_for_file[k][i];
2109 ost->st = os->streams[i];
2110 if (nb_stream_maps > 0) {
2111 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
2112 stream_maps[n].stream_index;
2114 /* Sanity check that the stream types match */
2115 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
2116 int i= ost->file_index;
2117 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2118 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2119 stream_maps[n].file_index, stream_maps[n].stream_index,
2120 ost->file_index, ost->index);
2125 /* get corresponding input stream index : we select the first one with the right type */
2127 for(j=0;j<nb_istreams;j++) {
2132 AVFormatContext *f= input_files[ ist->file_index ];
2134 for(pi=0; pi<f->nb_programs; pi++){
2135 AVProgram *p= f->programs[pi];
2136 if(p->id == opt_programid)
2137 for(si=0; si<p->nb_stream_indexes; si++){
2138 if(f->streams[ p->stream_index[si] ] == ist->st)
2143 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2144 ist->st->codec->codec_type == ost->st->codec->codec_type &&
2145 nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames) {
2146 ost->source_index = j;
2153 if(! opt_programid) {
2154 /* try again and reuse existing stream */
2155 for(j=0;j<nb_istreams;j++) {
2157 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2158 && ist->st->discard != AVDISCARD_ALL) {
2159 ost->source_index = j;
2165 int i= ost->file_index;
2166 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2167 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2168 ost->file_index, ost->index);
2173 ist = ist_table[ost->source_index];
2175 ost->sync_ist = (nb_stream_maps > 0) ?
2176 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
2177 stream_maps[n].sync_stream_index] : ist;
2181 /* for each output stream, we compute the right encoding parameters */
2182 for(i=0;i<nb_ostreams;i++) {
2184 os = output_files[ost->file_index];
2185 ist = ist_table[ost->source_index];
2187 codec = ost->st->codec;
2188 icodec = ist->st->codec;
2190 if (metadata_streams_autocopy)
2191 av_metadata_copy(&ost->st->metadata, ist->st->metadata,
2192 AV_METADATA_DONT_OVERWRITE);
2194 ost->st->disposition = ist->st->disposition;
2195 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2196 codec->chroma_sample_location = icodec->chroma_sample_location;
2198 if (ost->st->stream_copy) {
2199 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2201 if (extra_size > INT_MAX)
2204 /* if stream_copy is selected, no need to decode or encode */
2205 codec->codec_id = icodec->codec_id;
2206 codec->codec_type = icodec->codec_type;
2208 if(!codec->codec_tag){
2209 if( !os->oformat->codec_tag
2210 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2211 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2212 codec->codec_tag = icodec->codec_tag;
2215 codec->bit_rate = icodec->bit_rate;
2216 codec->rc_max_rate = icodec->rc_max_rate;
2217 codec->rc_buffer_size = icodec->rc_buffer_size;
2218 codec->extradata= av_mallocz(extra_size);
2219 if (!codec->extradata)
2221 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2222 codec->extradata_size= icodec->extradata_size;
2223 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){
2224 codec->time_base = icodec->time_base;
2225 codec->time_base.num *= icodec->ticks_per_frame;
2226 av_reduce(&codec->time_base.num, &codec->time_base.den,
2227 codec->time_base.num, codec->time_base.den, INT_MAX);
2229 codec->time_base = ist->st->time_base;
2230 switch(codec->codec_type) {
2231 case AVMEDIA_TYPE_AUDIO:
2232 if(audio_volume != 256) {
2233 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2236 codec->channel_layout = icodec->channel_layout;
2237 codec->sample_rate = icodec->sample_rate;
2238 codec->channels = icodec->channels;
2239 codec->frame_size = icodec->frame_size;
2240 codec->audio_service_type = icodec->audio_service_type;
2241 codec->block_align= icodec->block_align;
2242 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2243 codec->block_align= 0;
2244 if(codec->codec_id == CODEC_ID_AC3)
2245 codec->block_align= 0;
2247 case AVMEDIA_TYPE_VIDEO:
2248 codec->pix_fmt = icodec->pix_fmt;
2249 codec->width = icodec->width;
2250 codec->height = icodec->height;
2251 codec->has_b_frames = icodec->has_b_frames;
2252 if (!codec->sample_aspect_ratio.num) {
2253 codec->sample_aspect_ratio =
2254 ost->st->sample_aspect_ratio =
2255 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2256 ist->st->codec->sample_aspect_ratio.num ?
2257 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2260 case AVMEDIA_TYPE_SUBTITLE:
2261 codec->width = icodec->width;
2262 codec->height = icodec->height;
2268 switch(codec->codec_type) {
2269 case AVMEDIA_TYPE_AUDIO:
2270 ost->fifo= av_fifo_alloc(1024);
2273 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2274 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2275 icodec->request_channels = codec->channels;
2276 ist->decoding_needed = 1;
2277 ost->encoding_needed = 1;
2278 ost->resample_sample_fmt = icodec->sample_fmt;
2279 ost->resample_sample_rate = icodec->sample_rate;
2280 ost->resample_channels = icodec->channels;
2282 case AVMEDIA_TYPE_VIDEO:
2283 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2284 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2287 ost->video_resample = codec->width != icodec->width ||
2288 codec->height != icodec->height ||
2289 codec->pix_fmt != icodec->pix_fmt;
2290 if (ost->video_resample) {
2291 #if !CONFIG_AVFILTER
2292 avcodec_get_frame_defaults(&ost->pict_tmp);
2293 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2294 codec->width, codec->height)) {
2295 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2298 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
2299 ost->img_resample_ctx = sws_getContext(
2306 sws_flags, NULL, NULL, NULL);
2307 if (ost->img_resample_ctx == NULL) {
2308 fprintf(stderr, "Cannot get resampling context\n");
2312 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2314 ost->resample_height = icodec->height;
2315 ost->resample_width = icodec->width;
2316 ost->resample_pix_fmt= icodec->pix_fmt;
2317 ost->encoding_needed = 1;
2318 ist->decoding_needed = 1;
2321 if (configure_video_filters(ist, ost)) {
2322 fprintf(stderr, "Error opening filters!\n");
2327 case AVMEDIA_TYPE_SUBTITLE:
2328 ost->encoding_needed = 1;
2329 ist->decoding_needed = 1;
2336 if (ost->encoding_needed &&
2337 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2338 char logfilename[1024];
2341 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2342 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2344 if (codec->flags & CODEC_FLAG_PASS1) {
2345 f = fopen(logfilename, "wb");
2347 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2353 size_t logbuffer_size;
2354 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2355 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2358 codec->stats_in = logbuffer;
2362 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2363 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2364 int size= codec->width * codec->height;
2365 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2370 bit_buffer = av_malloc(bit_buffer_size);
2372 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2374 ret = AVERROR(ENOMEM);
2378 /* open each encoder */
2379 for(i=0;i<nb_ostreams;i++) {
2381 if (ost->encoding_needed) {
2382 AVCodec *codec = i < nb_output_codecs ? output_codecs[i] : NULL;
2383 AVCodecContext *dec = ist_table[ost->source_index]->st->codec;
2385 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2387 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2388 ost->st->codec->codec_id, ost->file_index, ost->index);
2389 ret = AVERROR(EINVAL);
2392 if (dec->subtitle_header) {
2393 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2394 if (!ost->st->codec->subtitle_header) {
2395 ret = AVERROR(ENOMEM);
2398 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2399 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2401 if (avcodec_open(ost->st->codec, codec) < 0) {
2402 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2403 ost->file_index, ost->index);
2404 ret = AVERROR(EINVAL);
2407 extra_size += ost->st->codec->extradata_size;
2411 /* open each decoder */
2412 for(i=0;i<nb_istreams;i++) {
2414 if (ist->decoding_needed) {
2415 AVCodec *codec = i < nb_input_codecs ? input_codecs[i] : NULL;
2417 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2419 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2420 ist->st->codec->codec_id, ist->file_index, ist->index);
2421 ret = AVERROR(EINVAL);
2424 if (avcodec_open(ist->st->codec, codec) < 0) {
2425 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2426 ist->file_index, ist->index);
2427 ret = AVERROR(EINVAL);
2430 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2431 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2436 for(i=0;i<nb_istreams;i++) {
2440 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2441 ist->next_pts = AV_NOPTS_VALUE;
2445 /* set meta data information from input file if required */
2446 for (i=0;i<nb_meta_data_maps;i++) {
2447 AVFormatContext *files[2];
2448 AVMetadata **meta[2];
2451 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
2452 if ((index) < 0 || (index) >= (nb_elems)) {\
2453 snprintf(error, sizeof(error), "Invalid %s index %d while processing metadata maps\n",\
2455 ret = AVERROR(EINVAL);\
2459 int out_file_index = meta_data_maps[i][0].file;
2460 int in_file_index = meta_data_maps[i][1].file;
2461 if (in_file_index < 0 || out_file_index < 0)
2463 METADATA_CHECK_INDEX(out_file_index, nb_output_files, "output file")
2464 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
2466 files[0] = output_files[out_file_index];
2467 files[1] = input_files[in_file_index];
2469 for (j = 0; j < 2; j++) {
2470 AVMetaDataMap *map = &meta_data_maps[i][j];
2472 switch (map->type) {
2474 meta[j] = &files[j]->metadata;
2477 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
2478 meta[j] = &files[j]->streams[map->index]->metadata;
2481 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
2482 meta[j] = &files[j]->chapters[map->index]->metadata;
2485 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
2486 meta[j] = &files[j]->programs[map->index]->metadata;
2491 av_metadata_copy(meta[0], *meta[1], AV_METADATA_DONT_OVERWRITE);
2494 /* copy global metadata by default */
2495 if (metadata_global_autocopy) {
2497 for (i = 0; i < nb_output_files; i++)
2498 av_metadata_copy(&output_files[i]->metadata, input_files[0]->metadata,
2499 AV_METADATA_DONT_OVERWRITE);
2502 /* copy chapters according to chapter maps */
2503 for (i = 0; i < nb_chapter_maps; i++) {
2504 int infile = chapter_maps[i].in_file;
2505 int outfile = chapter_maps[i].out_file;
2507 if (infile < 0 || outfile < 0)
2509 if (infile >= nb_input_files) {
2510 snprintf(error, sizeof(error), "Invalid input file index %d in chapter mapping.\n", infile);
2511 ret = AVERROR(EINVAL);
2514 if (outfile >= nb_output_files) {
2515 snprintf(error, sizeof(error), "Invalid output file index %d in chapter mapping.\n",outfile);
2516 ret = AVERROR(EINVAL);
2519 copy_chapters(infile, outfile);
2522 /* copy chapters from the first input file that has them*/
2523 if (!nb_chapter_maps)
2524 for (i = 0; i < nb_input_files; i++) {
2525 if (!input_files[i]->nb_chapters)
2528 for (j = 0; j < nb_output_files; j++)
2529 if ((ret = copy_chapters(i, j)) < 0)
2534 /* open files and write file headers */
2535 for(i=0;i<nb_output_files;i++) {
2536 os = output_files[i];
2537 if (av_write_header(os) < 0) {
2538 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2539 ret = AVERROR(EINVAL);
2542 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2548 /* dump the file output parameters - cannot be done before in case
2550 for(i=0;i<nb_output_files;i++) {
2551 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2554 /* dump the stream mapping */
2556 fprintf(stderr, "Stream mapping:\n");
2557 for(i=0;i<nb_ostreams;i++) {
2559 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2560 ist_table[ost->source_index]->file_index,
2561 ist_table[ost->source_index]->index,
2564 if (ost->sync_ist != ist_table[ost->source_index])
2565 fprintf(stderr, " [sync #%d.%d]",
2566 ost->sync_ist->file_index,
2567 ost->sync_ist->index);
2568 fprintf(stderr, "\n");
2573 fprintf(stderr, "%s\n", error);
2578 print_sdp(output_files, nb_output_files);
2583 fprintf(stderr, "Press [q] to stop encoding\n");
2584 avio_set_interrupt_cb(decode_interrupt_cb);
2588 timer_start = av_gettime();
2590 for(; received_sigterm == 0;) {
2591 int file_index, ist_index;
2599 /* if 'q' pressed, exits */
2603 /* read_key() returns 0 on EOF */
2609 /* select the stream that we must read now by looking at the
2610 smallest output pts */
2612 for(i=0;i<nb_ostreams;i++) {
2615 os = output_files[ost->file_index];
2616 ist = ist_table[ost->source_index];
2617 if(ist->is_past_recording_time || no_packet[ist->file_index])
2619 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2620 ipts = (double)ist->pts;
2621 if (!file_table[ist->file_index].eof_reached){
2622 if(ipts < ipts_min) {
2624 if(input_sync ) file_index = ist->file_index;
2626 if(opts < opts_min) {
2628 if(!input_sync) file_index = ist->file_index;
2631 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2636 /* if none, if is finished */
2637 if (file_index < 0) {
2638 if(no_packet_count){
2640 memset(no_packet, 0, sizeof(no_packet));
2647 /* finish if limit size exhausted */
2648 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
2651 /* read a frame from it and output it in the fifo */
2652 is = input_files[file_index];
2653 ret= av_read_frame(is, &pkt);
2654 if(ret == AVERROR(EAGAIN)){
2655 no_packet[file_index]=1;
2660 file_table[file_index].eof_reached = 1;
2668 memset(no_packet, 0, sizeof(no_packet));
2671 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2672 is->streams[pkt.stream_index]);
2674 /* the following test is needed in case new streams appear
2675 dynamically in stream : we ignore them */
2676 if (pkt.stream_index >= file_table[file_index].nb_streams)
2677 goto discard_packet;
2678 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2679 ist = ist_table[ist_index];
2681 goto discard_packet;
2683 if (pkt.dts != AV_NOPTS_VALUE)
2684 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2685 if (pkt.pts != AV_NOPTS_VALUE)
2686 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2688 if (pkt.stream_index < nb_input_files_ts_scale[file_index]
2689 && input_files_ts_scale[file_index][pkt.stream_index]){
2690 if(pkt.pts != AV_NOPTS_VALUE)
2691 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2692 if(pkt.dts != AV_NOPTS_VALUE)
2693 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2696 // 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);
2697 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2698 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2699 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2700 int64_t delta= pkt_dts - ist->next_pts;
2701 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2702 input_files_ts_offset[ist->file_index]-= delta;
2704 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2705 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2706 if(pkt.pts != AV_NOPTS_VALUE)
2707 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2711 /* finish if recording time exhausted */
2712 if (recording_time != INT64_MAX &&
2713 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2714 ist->is_past_recording_time = 1;
2715 goto discard_packet;
2718 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2719 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2722 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2723 ist->file_index, ist->index);
2726 av_free_packet(&pkt);
2731 av_free_packet(&pkt);
2733 /* dump report by using the output first video and audio streams */
2734 print_report(output_files, ost_table, nb_ostreams, 0);
2737 /* at the end of stream, we must flush the decoder buffers */
2738 for(i=0;i<nb_istreams;i++) {
2740 if (ist->decoding_needed) {
2741 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2747 /* write the trailer if needed and close file */
2748 for(i=0;i<nb_output_files;i++) {
2749 os = output_files[i];
2750 av_write_trailer(os);
2753 /* dump report by using the first video and audio streams */
2754 print_report(output_files, ost_table, nb_ostreams, 1);
2756 /* close each encoder */
2757 for(i=0;i<nb_ostreams;i++) {
2759 if (ost->encoding_needed) {
2760 av_freep(&ost->st->codec->stats_in);
2761 avcodec_close(ost->st->codec);
2764 avfilter_graph_free(&ost->graph);
2768 /* close each decoder */
2769 for(i=0;i<nb_istreams;i++) {
2771 if (ist->decoding_needed) {
2772 avcodec_close(ist->st->codec);
2780 av_freep(&bit_buffer);
2781 av_free(file_table);
2784 for(i=0;i<nb_istreams;i++) {
2791 for(i=0;i<nb_ostreams;i++) {
2794 if (ost->st->stream_copy)
2795 av_freep(&ost->st->codec->extradata);
2797 fclose(ost->logfile);
2798 ost->logfile = NULL;
2800 av_fifo_free(ost->fifo); /* works even if fifo is not
2801 initialized but set to zero */
2802 av_freep(&ost->st->codec->subtitle_header);
2803 av_free(ost->pict_tmp.data[0]);
2804 av_free(ost->forced_kf_pts);
2805 if (ost->video_resample)
2806 sws_freeContext(ost->img_resample_ctx);
2808 audio_resample_close(ost->resample);
2809 if (ost->reformat_ctx)
2810 av_audio_convert_free(ost->reformat_ctx);
2819 static void opt_format(const char *arg)
2821 last_asked_format = arg;
2824 static void opt_video_rc_override_string(const char *arg)
2826 video_rc_override_string = arg;
2829 static int opt_me_threshold(const char *opt, const char *arg)
2831 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2835 static int opt_verbose(const char *opt, const char *arg)
2837 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2841 static int opt_frame_rate(const char *opt, const char *arg)
2843 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2844 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2850 static int opt_bitrate(const char *opt, const char *arg)
2852 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2854 opt_default(opt, arg);
2856 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2857 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2862 static int opt_frame_crop(const char *opt, const char *arg)
2864 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2865 return AVERROR(EINVAL);
2868 static void opt_frame_size(const char *arg)
2870 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2871 fprintf(stderr, "Incorrect frame size\n");
2876 static int opt_pad(const char *opt, const char *arg) {
2877 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2881 static void opt_frame_pix_fmt(const char *arg)
2883 if (strcmp(arg, "list")) {
2884 frame_pix_fmt = av_get_pix_fmt(arg);
2885 if (frame_pix_fmt == PIX_FMT_NONE) {
2886 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2895 static void opt_frame_aspect_ratio(const char *arg)
2902 p = strchr(arg, ':');
2904 x = strtol(arg, &end, 10);
2906 y = strtol(end+1, &end, 10);
2908 ar = (double)x / (double)y;
2910 ar = strtod(arg, NULL);
2913 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2916 frame_aspect_ratio = ar;
2919 static int opt_metadata(const char *opt, const char *arg)
2921 char *mid= strchr(arg, '=');
2924 fprintf(stderr, "Missing =\n");
2929 av_metadata_set2(&metadata, arg, mid, 0);
2934 static int opt_qscale(const char *opt, const char *arg)
2936 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2937 if (video_qscale <= 0 || video_qscale > 255) {
2938 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2939 return AVERROR(EINVAL);
2944 static int opt_top_field_first(const char *opt, const char *arg)
2946 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2950 static int opt_thread_count(const char *opt, const char *arg)
2952 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2955 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2960 static void opt_audio_sample_fmt(const char *arg)
2962 if (strcmp(arg, "list")) {
2963 audio_sample_fmt = av_get_sample_fmt(arg);
2964 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2965 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2971 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2972 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2977 static int opt_audio_rate(const char *opt, const char *arg)
2979 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2983 static int opt_audio_channels(const char *opt, const char *arg)
2985 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2989 static int opt_video_channel(const char *opt, const char *arg)
2991 video_channel = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2995 static void opt_video_standard(const char *arg)
2997 video_standard = av_strdup(arg);
3000 static void opt_codec(int *pstream_copy, char **pcodec_name,
3001 int codec_type, const char *arg)
3003 av_freep(pcodec_name);
3004 if (!strcmp(arg, "copy")) {
3007 *pcodec_name = av_strdup(arg);
3011 static void opt_audio_codec(const char *arg)
3013 opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
3016 static void opt_video_codec(const char *arg)
3018 opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
3021 static void opt_subtitle_codec(const char *arg)
3023 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
3026 static int opt_codec_tag(const char *opt, const char *arg)
3029 uint32_t *codec_tag;
3031 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
3032 !strcmp(opt, "vtag") ? &video_codec_tag :
3033 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
3037 *codec_tag = strtol(arg, &tail, 0);
3039 *codec_tag = AV_RL32(arg);
3044 static void opt_map(const char *arg)
3049 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
3050 m = &stream_maps[nb_stream_maps-1];
3052 m->file_index = strtol(arg, &p, 0);
3056 m->stream_index = strtol(p, &p, 0);
3059 m->sync_file_index = strtol(p, &p, 0);
3062 m->sync_stream_index = strtol(p, &p, 0);
3064 m->sync_file_index = m->file_index;
3065 m->sync_stream_index = m->stream_index;
3069 static void parse_meta_type(char *arg, char *type, int *index, char **endptr)
3080 *index = strtol(++arg, endptr, 0);
3083 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
3090 static void opt_map_metadata(const char *arg)
3092 AVMetaDataMap *m, *m1;
3095 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
3096 &nb_meta_data_maps, nb_meta_data_maps + 1);
3098 m = &meta_data_maps[nb_meta_data_maps - 1][0];
3099 m->file = strtol(arg, &p, 0);
3100 parse_meta_type(p, &m->type, &m->index, &p);
3104 m1 = &meta_data_maps[nb_meta_data_maps - 1][1];
3105 m1->file = strtol(p, &p, 0);
3106 parse_meta_type(p, &m1->type, &m1->index, &p);
3108 if (m->type == 'g' || m1->type == 'g')
3109 metadata_global_autocopy = 0;
3110 if (m->type == 's' || m1->type == 's')
3111 metadata_streams_autocopy = 0;
3112 if (m->type == 'c' || m1->type == 'c')
3113 metadata_chapters_autocopy = 0;
3116 static void opt_map_meta_data(const char *arg)
3118 fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
3119 "Use -map_metadata instead.\n");
3120 opt_map_metadata(arg);
3123 static void opt_map_chapters(const char *arg)
3128 chapter_maps = grow_array(chapter_maps, sizeof(*chapter_maps), &nb_chapter_maps,
3129 nb_chapter_maps + 1);
3130 c = &chapter_maps[nb_chapter_maps - 1];
3131 c->out_file = strtol(arg, &p, 0);
3135 c->in_file = strtol(p, &p, 0);
3138 static void opt_input_ts_scale(const char *arg)
3140 unsigned int stream;
3144 stream = strtol(arg, &p, 0);
3147 scale= strtod(p, &p);
3149 if(stream >= MAX_STREAMS)
3152 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);
3153 input_files_ts_scale[nb_input_files][stream]= scale;
3156 static int opt_recording_time(const char *opt, const char *arg)
3158 recording_time = parse_time_or_die(opt, arg, 1);
3162 static int opt_start_time(const char *opt, const char *arg)
3164 start_time = parse_time_or_die(opt, arg, 1);
3168 static int opt_recording_timestamp(const char *opt, const char *arg)
3170 recording_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
3174 static int opt_input_ts_offset(const char *opt, const char *arg)
3176 input_ts_offset = parse_time_or_die(opt, arg, 1);
3180 static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
3182 const char *codec_string = encoder ? "encoder" : "decoder";
3186 return CODEC_ID_NONE;
3188 avcodec_find_encoder_by_name(name) :
3189 avcodec_find_decoder_by_name(name);
3191 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
3194 if(codec->type != type) {
3195 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
3198 if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
3199 strict > FF_COMPLIANCE_EXPERIMENTAL) {
3200 fprintf(stderr, "%s '%s' is experimental and might produce bad "
3201 "results.\nAdd '-strict experimental' if you want to use it.\n",
3202 codec_string, codec->name);
3204 avcodec_find_encoder(codec->id) :
3205 avcodec_find_decoder(codec->id);
3206 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
3207 fprintf(stderr, "Or use the non experimental %s '%s'.\n",
3208 codec_string, codec->name);
3214 static void opt_input_file(const char *filename)
3216 AVFormatContext *ic;
3217 AVFormatParameters params, *ap = ¶ms;
3218 AVInputFormat *file_iformat = NULL;
3219 int err, i, ret, rfps, rfps_base;
3222 if (last_asked_format) {
3223 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3224 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3227 last_asked_format = NULL;
3230 if (!strcmp(filename, "-"))
3233 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3234 !strcmp(filename, "/dev/stdin");
3236 /* get default parameters from command line */
3237 ic = avformat_alloc_context();
3239 print_error(filename, AVERROR(ENOMEM));
3243 memset(ap, 0, sizeof(*ap));
3244 ap->prealloced_context = 1;
3245 ap->sample_rate = audio_sample_rate;
3246 ap->channels = audio_channels;
3247 ap->time_base.den = frame_rate.num;
3248 ap->time_base.num = frame_rate.den;
3249 ap->width = frame_width;
3250 ap->height = frame_height;
3251 ap->pix_fmt = frame_pix_fmt;
3252 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
3253 ap->channel = video_channel;
3254 ap->standard = video_standard;
3256 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
3258 ic->video_codec_id =
3259 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
3260 avcodec_opts[AVMEDIA_TYPE_VIDEO ]->strict_std_compliance);
3261 ic->audio_codec_id =
3262 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0,
3263 avcodec_opts[AVMEDIA_TYPE_AUDIO ]->strict_std_compliance);
3264 ic->subtitle_codec_id=
3265 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
3266 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3267 ic->flags |= AVFMT_FLAG_NONBLOCK;
3269 /* open the input file with generic libav function */
3270 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
3272 print_error(filename, err);
3278 for(i=0; i<ic->nb_streams; i++){
3279 ic->streams[i]->discard= AVDISCARD_ALL;
3281 for(i=0; i<ic->nb_programs; i++){
3282 AVProgram *p= ic->programs[i];
3283 if(p->id != opt_programid){
3284 p->discard = AVDISCARD_ALL;
3287 for(j=0; j<p->nb_stream_indexes; j++){
3288 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3293 fprintf(stderr, "Specified program id not found\n");
3299 ic->loop_input = loop_input;
3301 /* If not enough info to get the stream parameters, we decode the
3302 first frames to get it. (used in mpeg case for example) */
3303 ret = av_find_stream_info(ic);
3304 if (ret < 0 && verbose >= 0) {
3305 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3306 av_close_input_file(ic);
3310 timestamp = start_time;
3311 /* add the stream start time */
3312 if (ic->start_time != AV_NOPTS_VALUE)
3313 timestamp += ic->start_time;
3315 /* if seeking requested, we execute it */
3316 if (start_time != 0) {
3317 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3319 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3320 filename, (double)timestamp / AV_TIME_BASE);
3322 /* reset seek info */
3326 /* update the current parameters so that they match the one of the input stream */
3327 for(i=0;i<ic->nb_streams;i++) {
3328 AVStream *st = ic->streams[i];
3329 AVCodecContext *dec = st->codec;
3330 dec->thread_count = thread_count;
3331 input_codecs = grow_array(input_codecs, sizeof(*input_codecs), &nb_input_codecs, nb_input_codecs + 1);
3332 switch (dec->codec_type) {
3333 case AVMEDIA_TYPE_AUDIO:
3334 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(audio_codec_name);
3335 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]);
3336 //fprintf(stderr, "\nInput Audio channels: %d", dec->channels);
3337 channel_layout = dec->channel_layout;
3338 audio_channels = dec->channels;
3339 audio_sample_rate = dec->sample_rate;
3340 audio_sample_fmt = dec->sample_fmt;
3342 st->discard= AVDISCARD_ALL;
3343 /* Note that av_find_stream_info can add more streams, and we
3344 * currently have no chance of setting up lowres decoding
3345 * early enough for them. */
3347 audio_sample_rate >>= dec->lowres;
3349 case AVMEDIA_TYPE_VIDEO:
3350 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(video_codec_name);
3351 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]);
3352 frame_height = dec->height;
3353 frame_width = dec->width;
3354 frame_pix_fmt = dec->pix_fmt;
3355 rfps = ic->streams[i]->r_frame_rate.num;
3356 rfps_base = ic->streams[i]->r_frame_rate.den;
3358 dec->flags |= CODEC_FLAG_EMU_EDGE;
3359 frame_height >>= dec->lowres;
3360 frame_width >>= dec->lowres;
3361 dec->height = frame_height;
3362 dec->width = frame_width;
3365 dec->debug |= FF_DEBUG_MV;
3367 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3370 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3371 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3373 (float)rfps / rfps_base, rfps, rfps_base);
3375 /* update the current frame rate to match the stream frame rate */
3376 frame_rate.num = rfps;
3377 frame_rate.den = rfps_base;
3380 st->discard= AVDISCARD_ALL;
3381 else if(video_discard)
3382 st->discard= video_discard;
3384 case AVMEDIA_TYPE_DATA:
3386 case AVMEDIA_TYPE_SUBTITLE:
3387 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(subtitle_codec_name);
3388 if(subtitle_disable)
3389 st->discard = AVDISCARD_ALL;
3391 case AVMEDIA_TYPE_ATTACHMENT:
3392 case AVMEDIA_TYPE_UNKNOWN:
3399 input_files[nb_input_files] = ic;
3400 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3401 /* dump the file content */
3403 av_dump_format(ic, nb_input_files, filename, 0);
3409 av_freep(&video_codec_name);
3410 av_freep(&audio_codec_name);
3411 av_freep(&subtitle_codec_name);
3414 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
3415 int *has_subtitle_ptr)
3417 int has_video, has_audio, has_subtitle, i, j;
3418 AVFormatContext *ic;
3423 for(j=0;j<nb_input_files;j++) {
3424 ic = input_files[j];
3425 for(i=0;i<ic->nb_streams;i++) {
3426 AVCodecContext *enc = ic->streams[i]->codec;
3427 switch(enc->codec_type) {
3428 case AVMEDIA_TYPE_AUDIO:
3431 case AVMEDIA_TYPE_VIDEO:
3434 case AVMEDIA_TYPE_SUBTITLE:
3437 case AVMEDIA_TYPE_DATA:
3438 case AVMEDIA_TYPE_ATTACHMENT:
3439 case AVMEDIA_TYPE_UNKNOWN:
3446 *has_video_ptr = has_video;
3447 *has_audio_ptr = has_audio;
3448 *has_subtitle_ptr = has_subtitle;
3451 static void new_video_stream(AVFormatContext *oc, int file_idx)
3454 AVOutputStream *ost;
3455 AVCodecContext *video_enc;
3456 enum CodecID codec_id = CODEC_ID_NONE;
3457 AVCodec *codec= NULL;
3459 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3461 fprintf(stderr, "Could not alloc stream\n");
3464 ost = new_output_stream(oc, file_idx);
3466 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3467 if(!video_stream_copy){
3468 if (video_codec_name) {
3469 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
3470 avcodec_opts[AVMEDIA_TYPE_VIDEO]->strict_std_compliance);
3471 codec = avcodec_find_encoder_by_name(video_codec_name);
3472 output_codecs[nb_output_codecs-1] = codec;
3474 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3475 codec = avcodec_find_encoder(codec_id);
3477 ost->frame_aspect_ratio = frame_aspect_ratio;
3478 frame_aspect_ratio = 0;
3480 ost->avfilter= vfilters;
3485 avcodec_get_context_defaults3(st->codec, codec);
3486 ost->bitstream_filters = video_bitstream_filters;
3487 video_bitstream_filters= NULL;
3489 st->codec->thread_count= thread_count;
3491 video_enc = st->codec;
3494 video_enc->codec_tag= video_codec_tag;
3496 if( (video_global_header&1)
3497 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3498 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3499 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3501 if(video_global_header&2){
3502 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3503 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3506 if (video_stream_copy) {
3507 st->stream_copy = 1;
3508 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3509 video_enc->sample_aspect_ratio =
3510 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3514 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3516 video_enc->codec_id = codec_id;
3517 set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3519 if (codec && codec->supported_framerates && !force_fps)
3520 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3521 video_enc->time_base.den = fps.num;
3522 video_enc->time_base.num = fps.den;
3524 video_enc->width = frame_width;
3525 video_enc->height = frame_height;
3526 video_enc->pix_fmt = frame_pix_fmt;
3527 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3528 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3530 choose_pixel_fmt(st, codec);
3533 video_enc->gop_size = 0;
3534 if (video_qscale || same_quality) {
3535 video_enc->flags |= CODEC_FLAG_QSCALE;
3536 video_enc->global_quality=
3537 st->quality = FF_QP2LAMBDA * video_qscale;
3541 video_enc->intra_matrix = intra_matrix;
3543 video_enc->inter_matrix = inter_matrix;
3545 p= video_rc_override_string;
3548 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3550 fprintf(stderr, "error parsing rc_override\n");
3553 video_enc->rc_override=
3554 av_realloc(video_enc->rc_override,
3555 sizeof(RcOverride)*(i+1));
3556 video_enc->rc_override[i].start_frame= start;
3557 video_enc->rc_override[i].end_frame = end;
3559 video_enc->rc_override[i].qscale= q;
3560 video_enc->rc_override[i].quality_factor= 1.0;
3563 video_enc->rc_override[i].qscale= 0;
3564 video_enc->rc_override[i].quality_factor= -q/100.0;
3569 video_enc->rc_override_count=i;
3570 if (!video_enc->rc_initial_buffer_occupancy)
3571 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3572 video_enc->me_threshold= me_threshold;
3573 video_enc->intra_dc_precision= intra_dc_precision - 8;
3576 video_enc->flags|= CODEC_FLAG_PSNR;
3581 video_enc->flags |= CODEC_FLAG_PASS1;
3583 video_enc->flags |= CODEC_FLAG_PASS2;
3587 if (forced_key_frames)
3588 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3590 if (video_language) {
3591 av_metadata_set2(&st->metadata, "language", video_language, 0);
3592 av_freep(&video_language);
3595 /* reset some key parameters */
3597 av_freep(&video_codec_name);
3598 av_freep(&forced_key_frames);
3599 video_stream_copy = 0;
3600 frame_pix_fmt = PIX_FMT_NONE;
3603 static void new_audio_stream(AVFormatContext *oc, int file_idx)
3606 AVOutputStream *ost;
3607 AVCodec *codec= NULL;
3608 AVCodecContext *audio_enc;
3609 enum CodecID codec_id = CODEC_ID_NONE;
3611 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3613 fprintf(stderr, "Could not alloc stream\n");
3616 ost = new_output_stream(oc, file_idx);
3618 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3619 if(!audio_stream_copy){
3620 if (audio_codec_name) {
3621 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
3622 avcodec_opts[AVMEDIA_TYPE_AUDIO]->strict_std_compliance);
3623 codec = avcodec_find_encoder_by_name(audio_codec_name);
3624 output_codecs[nb_output_codecs-1] = codec;
3626 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
3627 codec = avcodec_find_encoder(codec_id);
3631 avcodec_get_context_defaults3(st->codec, codec);
3633 ost->bitstream_filters = audio_bitstream_filters;
3634 audio_bitstream_filters= NULL;
3636 st->codec->thread_count= thread_count;
3638 audio_enc = st->codec;
3639 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3642 audio_enc->codec_tag= audio_codec_tag;
3644 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3645 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3646 avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3648 if (audio_stream_copy) {
3649 st->stream_copy = 1;
3650 audio_enc->channels = audio_channels;
3651 audio_enc->sample_rate = audio_sample_rate;
3653 audio_enc->codec_id = codec_id;
3654 set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3656 if (audio_qscale > QSCALE_NONE) {
3657 audio_enc->flags |= CODEC_FLAG_QSCALE;
3658 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3660 audio_enc->channels = audio_channels;
3661 audio_enc->sample_fmt = audio_sample_fmt;
3662 audio_enc->sample_rate = audio_sample_rate;
3663 audio_enc->channel_layout = channel_layout;
3664 if (av_get_channel_layout_nb_channels(channel_layout) != audio_channels)
3665 audio_enc->channel_layout = 0;
3666 choose_sample_fmt(st, codec);
3667 choose_sample_rate(st, codec);
3669 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3670 if (audio_language) {
3671 av_metadata_set2(&st->metadata, "language", audio_language, 0);
3672 av_freep(&audio_language);
3675 /* reset some key parameters */
3677 av_freep(&audio_codec_name);
3678 audio_stream_copy = 0;
3681 static void new_subtitle_stream(AVFormatContext *oc, int file_idx)
3684 AVOutputStream *ost;
3685 AVCodec *codec=NULL;
3686 AVCodecContext *subtitle_enc;
3687 enum CodecID codec_id = CODEC_ID_NONE;
3689 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3691 fprintf(stderr, "Could not alloc stream\n");
3694 ost = new_output_stream(oc, file_idx);
3695 subtitle_enc = st->codec;
3696 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3697 if(!subtitle_stream_copy){
3698 if (subtitle_codec_name) {
3699 codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
3700 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3701 codec= output_codecs[nb_output_codecs-1] = avcodec_find_encoder_by_name(subtitle_codec_name);
3703 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_SUBTITLE);
3704 codec = avcodec_find_encoder(codec_id);
3707 avcodec_get_context_defaults3(st->codec, codec);
3709 ost->bitstream_filters = subtitle_bitstream_filters;
3710 subtitle_bitstream_filters= NULL;
3712 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3714 if(subtitle_codec_tag)
3715 subtitle_enc->codec_tag= subtitle_codec_tag;
3717 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3718 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3719 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->flags |= CODEC_FLAG_GLOBAL_HEADER;
3721 if (subtitle_stream_copy) {
3722 st->stream_copy = 1;
3724 subtitle_enc->codec_id = codec_id;
3725 set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3728 if (subtitle_language) {
3729 av_metadata_set2(&st->metadata, "language", subtitle_language, 0);
3730 av_freep(&subtitle_language);
3733 subtitle_disable = 0;
3734 av_freep(&subtitle_codec_name);
3735 subtitle_stream_copy = 0;
3738 static int opt_new_stream(const char *opt, const char *arg)
3740 AVFormatContext *oc;
3741 int file_idx = nb_output_files - 1;
3742 if (nb_output_files <= 0) {
3743 fprintf(stderr, "At least one output file must be specified\n");
3746 oc = output_files[file_idx];
3748 if (!strcmp(opt, "newvideo" )) new_video_stream (oc, file_idx);
3749 else if (!strcmp(opt, "newaudio" )) new_audio_stream (oc, file_idx);
3750 else if (!strcmp(opt, "newsubtitle")) new_subtitle_stream(oc, file_idx);
3755 /* arg format is "output-stream-index:streamid-value". */
3756 static int opt_streamid(const char *opt, const char *arg)
3762 strncpy(idx_str, arg, sizeof(idx_str));
3763 idx_str[sizeof(idx_str)-1] = '\0';
3764 p = strchr(idx_str, ':');
3767 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3772 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3773 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3774 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3778 static void opt_output_file(const char *filename)
3780 AVFormatContext *oc;
3781 int err, use_video, use_audio, use_subtitle;
3782 int input_has_video, input_has_audio, input_has_subtitle;
3783 AVFormatParameters params, *ap = ¶ms;
3784 AVOutputFormat *file_oformat;
3786 if (!strcmp(filename, "-"))
3789 oc = avformat_alloc_context();
3791 print_error(filename, AVERROR(ENOMEM));
3795 if (last_asked_format) {
3796 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3797 if (!file_oformat) {
3798 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3801 last_asked_format = NULL;
3803 file_oformat = av_guess_format(NULL, filename, NULL);
3804 if (!file_oformat) {
3805 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3811 oc->oformat = file_oformat;
3812 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3814 if (!strcmp(file_oformat->name, "ffm") &&
3815 av_strstart(filename, "http:", NULL)) {
3816 /* special case for files sent to ffserver: we get the stream
3817 parameters from ffserver */
3818 int err = read_ffserver_streams(oc, filename);
3820 print_error(filename, err);
3824 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3825 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3826 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3828 /* disable if no corresponding type found and at least one
3830 if (nb_input_files > 0) {
3831 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3832 &input_has_subtitle);
3833 if (!input_has_video)
3835 if (!input_has_audio)
3837 if (!input_has_subtitle)
3841 /* manual disable */
3842 if (audio_disable) use_audio = 0;
3843 if (video_disable) use_video = 0;
3844 if (subtitle_disable) use_subtitle = 0;
3846 if (use_video) new_video_stream(oc, nb_output_files);
3847 if (use_audio) new_audio_stream(oc, nb_output_files);
3848 if (use_subtitle) new_subtitle_stream(oc, nb_output_files);
3850 oc->timestamp = recording_timestamp;
3852 av_metadata_copy(&oc->metadata, metadata, 0);
3853 av_metadata_free(&metadata);
3856 output_files[nb_output_files++] = oc;
3858 /* check filename in case of an image number is expected */
3859 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3860 if (!av_filename_number_test(oc->filename)) {
3861 print_error(oc->filename, AVERROR_NUMEXPECTED);
3866 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3867 /* test if it already exists to avoid loosing precious files */
3868 if (!file_overwrite &&
3869 (strchr(filename, ':') == NULL ||
3870 filename[1] == ':' ||
3871 av_strstart(filename, "file:", NULL))) {
3872 if (url_exist(filename)) {
3874 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3876 if (!read_yesno()) {
3877 fprintf(stderr, "Not overwriting - exiting\n");
3882 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3889 if ((err = avio_open(&oc->pb, filename, AVIO_WRONLY)) < 0) {
3890 print_error(filename, err);
3895 memset(ap, 0, sizeof(*ap));
3896 if (av_set_parameters(oc, ap) < 0) {
3897 fprintf(stderr, "%s: Invalid encoding parameters\n",
3902 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3903 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3904 oc->loop_output = loop_output;
3906 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM, NULL);
3908 av_freep(&forced_key_frames);
3911 /* same option as mencoder */
3912 static int opt_pass(const char *opt, const char *arg)
3914 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3918 static int64_t getutime(void)
3921 struct rusage rusage;
3923 getrusage(RUSAGE_SELF, &rusage);
3924 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3925 #elif HAVE_GETPROCESSTIMES
3927 FILETIME c, e, k, u;
3928 proc = GetCurrentProcess();
3929 GetProcessTimes(proc, &c, &e, &k, &u);
3930 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3932 return av_gettime();
3936 static int64_t getmaxrss(void)
3938 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3939 struct rusage rusage;
3940 getrusage(RUSAGE_SELF, &rusage);
3941 return (int64_t)rusage.ru_maxrss * 1024;
3942 #elif HAVE_GETPROCESSMEMORYINFO
3944 PROCESS_MEMORY_COUNTERS memcounters;
3945 proc = GetCurrentProcess();
3946 memcounters.cb = sizeof(memcounters);
3947 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3948 return memcounters.PeakPagefileUsage;
3954 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3957 const char *p = str;
3964 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3971 static void opt_inter_matrix(const char *arg)
3973 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3974 parse_matrix_coeffs(inter_matrix, arg);
3977 static void opt_intra_matrix(const char *arg)
3979 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3980 parse_matrix_coeffs(intra_matrix, arg);
3983 static void show_usage(void)
3985 printf("Hyper fast Audio and Video encoder\n");
3986 printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n");
3990 static void show_help(void)
3993 AVOutputFormat *oformat = NULL;
3995 av_log_set_callback(log_callback_help);
3997 show_help_options(options, "Main options:\n",
3998 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3999 show_help_options(options, "\nAdvanced options:\n",
4000 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4002 show_help_options(options, "\nVideo options:\n",
4003 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4005 show_help_options(options, "\nAdvanced Video options:\n",
4006 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4007 OPT_VIDEO | OPT_EXPERT);
4008 show_help_options(options, "\nAudio options:\n",
4009 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4011 show_help_options(options, "\nAdvanced Audio options:\n",
4012 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4013 OPT_AUDIO | OPT_EXPERT);
4014 show_help_options(options, "\nSubtitle options:\n",
4015 OPT_SUBTITLE | OPT_GRAB,
4017 show_help_options(options, "\nAudio/Video grab options:\n",
4021 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4024 /* individual codec options */
4026 while ((c = av_codec_next(c))) {
4027 if (c->priv_class) {
4028 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4033 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4036 /* individual muxer options */
4037 while ((oformat = av_oformat_next(oformat))) {
4038 if (oformat->priv_class) {
4039 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
4044 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4047 static void opt_target(const char *arg)
4049 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4050 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
4052 if(!strncmp(arg, "pal-", 4)) {
4055 } else if(!strncmp(arg, "ntsc-", 5)) {
4058 } else if(!strncmp(arg, "film-", 5)) {
4063 /* Calculate FR via float to avoid int overflow */
4064 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
4067 } else if((fr == 29970) || (fr == 23976)) {
4070 /* Try to determine PAL/NTSC by peeking in the input files */
4071 if(nb_input_files) {
4073 for(j = 0; j < nb_input_files; j++) {
4074 for(i = 0; i < input_files[j]->nb_streams; i++) {
4075 AVCodecContext *c = input_files[j]->streams[i]->codec;
4076 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4078 fr = c->time_base.den * 1000 / c->time_base.num;
4082 } else if((fr == 29970) || (fr == 23976)) {
4092 if(verbose > 0 && norm != UNKNOWN)
4093 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4096 if(norm == UNKNOWN) {
4097 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4098 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4099 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
4103 if(!strcmp(arg, "vcd")) {
4105 opt_video_codec("mpeg1video");
4106 opt_audio_codec("mp2");
4109 opt_frame_size(norm == PAL ? "352x288" : "352x240");
4110 opt_frame_rate(NULL, frame_rates[norm]);
4111 opt_default("g", norm == PAL ? "15" : "18");
4113 opt_default("b", "1150000");
4114 opt_default("maxrate", "1150000");
4115 opt_default("minrate", "1150000");
4116 opt_default("bufsize", "327680"); // 40*1024*8;
4118 opt_default("ab", "224000");
4119 audio_sample_rate = 44100;
4122 opt_default("packetsize", "2324");
4123 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4125 /* We have to offset the PTS, so that it is consistent with the SCR.
4126 SCR starts at 36000, but the first two packs contain only padding
4127 and the first pack from the other stream, respectively, may also have
4128 been written before.
4129 So the real data starts at SCR 36000+3*1200. */
4130 mux_preload= (36000+3*1200) / 90000.0; //0.44
4131 } else if(!strcmp(arg, "svcd")) {
4133 opt_video_codec("mpeg2video");
4134 opt_audio_codec("mp2");
4137 opt_frame_size(norm == PAL ? "480x576" : "480x480");
4138 opt_frame_rate(NULL, frame_rates[norm]);
4139 opt_default("g", norm == PAL ? "15" : "18");
4141 opt_default("b", "2040000");
4142 opt_default("maxrate", "2516000");
4143 opt_default("minrate", "0"); //1145000;
4144 opt_default("bufsize", "1835008"); //224*1024*8;
4145 opt_default("flags", "+scan_offset");
4148 opt_default("ab", "224000");
4149 audio_sample_rate = 44100;
4151 opt_default("packetsize", "2324");
4153 } else if(!strcmp(arg, "dvd")) {
4155 opt_video_codec("mpeg2video");
4156 opt_audio_codec("ac3");
4159 opt_frame_size(norm == PAL ? "720x576" : "720x480");
4160 opt_frame_rate(NULL, frame_rates[norm]);
4161 opt_default("g", norm == PAL ? "15" : "18");
4163 opt_default("b", "6000000");
4164 opt_default("maxrate", "9000000");
4165 opt_default("minrate", "0"); //1500000;
4166 opt_default("bufsize", "1835008"); //224*1024*8;
4168 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4169 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4171 opt_default("ab", "448000");
4172 audio_sample_rate = 48000;
4174 } else if(!strncmp(arg, "dv", 2)) {
4178 opt_frame_size(norm == PAL ? "720x576" : "720x480");
4179 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
4180 (norm == PAL ? "yuv420p" : "yuv411p"));
4181 opt_frame_rate(NULL, frame_rates[norm]);
4183 audio_sample_rate = 48000;
4187 fprintf(stderr, "Unknown target: %s\n", arg);
4192 static void opt_vstats_file (const char *arg)
4194 av_free (vstats_filename);
4195 vstats_filename=av_strdup (arg);
4198 static void opt_vstats (void)
4201 time_t today2 = time(NULL);
4202 struct tm *today = localtime(&today2);
4204 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4206 opt_vstats_file(filename);
4209 static int opt_bsf(const char *opt, const char *arg)
4211 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4212 AVBitStreamFilterContext **bsfp;
4215 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4219 bsfp= *opt == 'v' ? &video_bitstream_filters :
4220 *opt == 'a' ? &audio_bitstream_filters :
4221 &subtitle_bitstream_filters;
4223 bsfp= &(*bsfp)->next;
4230 static int opt_preset(const char *opt, const char *arg)
4233 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4234 char *codec_name = *opt == 'v' ? video_codec_name :
4235 *opt == 'a' ? audio_codec_name :
4236 subtitle_codec_name;
4238 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4239 fprintf(stderr, "File for preset '%s' not found\n", arg);
4244 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4245 if(line[0] == '#' && !e)
4247 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4249 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
4252 if(!strcmp(tmp, "acodec")){
4253 opt_audio_codec(tmp2);
4254 }else if(!strcmp(tmp, "vcodec")){
4255 opt_video_codec(tmp2);
4256 }else if(!strcmp(tmp, "scodec")){
4257 opt_subtitle_codec(tmp2);
4258 }else if(opt_default(tmp, tmp2) < 0){
4259 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4269 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
4273 static const OptionDef options[] = {
4275 #include "cmdutils_common_opts.h"
4276 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4277 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4278 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4279 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4280 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile",
4281 "outfile[,metadata]:infile[,metadata]" },
4282 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4283 "outfile[,metadata]:infile[,metadata]" },
4284 { "map_chapters", HAS_ARG | OPT_EXPERT, {(void*)opt_map_chapters}, "set chapters mapping", "outfile:infile" },
4285 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4286 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4287 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4288 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4289 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
4290 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4291 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4292 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4293 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4294 "add timings for benchmarking" },
4295 { "timelimit", OPT_FUNC2 | HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4296 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4297 "dump each input packet" },
4298 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4299 "when dumping packets, also dump the payload" },
4300 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4301 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
4302 { "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)", "" },
4303 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
4304 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4305 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4306 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4307 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4308 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4309 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
4310 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4311 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4312 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4313 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4314 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4315 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4316 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4319 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4320 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4321 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4322 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4323 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4324 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4325 { "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" },
4326 { "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" },
4327 { "croptop", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4328 { "cropbottom", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4329 { "cropleft", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4330 { "cropright", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4331 { "padtop", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4332 { "padbottom", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4333 { "padleft", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4334 { "padright", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4335 { "padcolor", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4336 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4337 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4338 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4339 { "qscale", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4340 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4341 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4342 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
4343 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
4344 "use same quantizer as source (implies VBR)" },
4345 { "pass", HAS_ARG | OPT_FUNC2 | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4346 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4347 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4348 "deinterlace pictures" },
4349 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4350 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4351 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4353 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4355 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4356 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4357 { "top", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4358 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4359 { "vtag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4360 { "newvideo", OPT_VIDEO | OPT_FUNC2, {(void*)opt_new_stream}, "add a new video stream to the current output stream" },
4361 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4362 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4363 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4364 { "streamid", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4365 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4368 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4369 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4370 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4371 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4372 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4373 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4374 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4375 { "atag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4376 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4377 { "newaudio", OPT_AUDIO | OPT_FUNC2, {(void*)opt_new_stream}, "add a new audio stream to the current output stream" },
4378 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4379 { "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" },
4381 /* subtitle options */
4382 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4383 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4384 { "newsubtitle", OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_new_stream}, "add a new subtitle stream to the current output stream" },
4385 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4386 { "stag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4389 { "vc", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
4390 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
4391 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4394 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4395 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4397 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4398 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4399 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4401 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4402 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4403 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4404 { "fpre", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
4406 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4410 int main(int argc, char **argv)
4414 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4416 if(argc>1 && !strcmp(argv[1], "-d")){
4419 av_log_set_callback(log_callback_null);
4424 avcodec_register_all();
4426 avdevice_register_all();
4429 avfilter_register_all();
4434 if(isatty(STDIN_FILENO))
4435 avio_set_interrupt_cb(decode_interrupt_cb);
4443 parse_options(argc, argv, options, opt_output_file);
4445 if(nb_output_files <= 0 && nb_input_files == 0) {
4447 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffmpeg'\n");
4451 /* file converter / grab */
4452 if (nb_output_files <= 0) {
4453 fprintf(stderr, "At least one output file must be specified\n");
4457 if (nb_input_files == 0) {
4458 fprintf(stderr, "At least one input file must be specified\n");
4463 if (transcode(output_files, nb_output_files, input_files, nb_input_files,
4464 stream_maps, nb_stream_maps) < 0)
4466 ti = getutime() - ti;
4468 int maxrss = getmaxrss() / 1024;
4469 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4472 return ffmpeg_exit(0);