3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
31 #include "libavformat/avformat.h"
32 #include "libavdevice/avdevice.h"
33 #include "libswscale/swscale.h"
34 #include "libavutil/opt.h"
35 #include "libavcodec/audioconvert.h"
36 #include "libavutil/audioconvert.h"
37 #include "libavutil/parseutils.h"
38 #include "libavutil/samplefmt.h"
39 #include "libavutil/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/pixdesc.h"
43 #include "libavutil/avstring.h"
44 #include "libavutil/libm.h"
45 #include "libavformat/os_support.h"
47 #include "libavformat/ffm.h" // not public API
50 # include "libavfilter/avcodec.h"
51 # include "libavfilter/avfilter.h"
52 # include "libavfilter/avfiltergraph.h"
53 # include "libavfilter/vsrc_buffer.h"
56 #if HAVE_SYS_RESOURCE_H
57 #include <sys/types.h>
59 #include <sys/resource.h>
60 #elif HAVE_GETPROCESSTIMES
63 #if HAVE_GETPROCESSMEMORYINFO
69 #include <sys/select.h>
74 #include <sys/ioctl.h>
84 #include "libavutil/avassert.h"
86 const char program_name[] = "ffmpeg";
87 const int program_birth_year = 2000;
89 /* select an input stream for an output stream */
90 typedef struct AVStreamMap {
94 int sync_stream_index;
98 * select an input file for an output file
100 typedef struct AVMetaDataMap {
101 int file; //< file index
102 char type; //< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
103 int index; //< stream/chapter/program number
106 typedef struct AVChapterMap {
111 static const OptionDef options[];
113 #define MAX_FILES 100
114 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
116 static const char *last_asked_format = NULL;
117 static AVFormatContext *input_files[MAX_FILES];
118 static int64_t input_files_ts_offset[MAX_FILES];
119 static double *input_files_ts_scale[MAX_FILES] = {NULL};
120 static AVCodec **input_codecs = NULL;
121 static int nb_input_files = 0;
122 static int nb_input_codecs = 0;
123 static int nb_input_files_ts_scale[MAX_FILES] = {0};
125 static AVFormatContext *output_files[MAX_FILES];
126 static AVCodec **output_codecs = NULL;
127 static int nb_output_files = 0;
128 static int nb_output_codecs = 0;
130 static AVStreamMap *stream_maps = NULL;
131 static int nb_stream_maps;
133 /* first item specifies output metadata, second is input */
134 static AVMetaDataMap (*meta_data_maps)[2] = NULL;
135 static int nb_meta_data_maps;
136 static int metadata_global_autocopy = 1;
137 static int metadata_streams_autocopy = 1;
138 static int metadata_chapters_autocopy = 1;
140 static AVChapterMap *chapter_maps = NULL;
141 static int nb_chapter_maps;
143 /* indexed by output file stream index */
144 static int *streamid_map = NULL;
145 static int nb_streamid_map = 0;
147 static int frame_width = 0;
148 static int frame_height = 0;
149 static float frame_aspect_ratio = 0;
150 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
151 static int frame_bits_per_raw_sample = 0;
152 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
153 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
154 static AVRational frame_rate;
155 static float video_qscale = 0;
156 static uint16_t *intra_matrix = NULL;
157 static uint16_t *inter_matrix = NULL;
158 static const char *video_rc_override_string=NULL;
159 static int video_disable = 0;
160 static int video_discard = 0;
161 static char *video_codec_name = NULL;
162 static unsigned int video_codec_tag = 0;
163 static char *video_language = NULL;
164 static int same_quality = 0;
165 static int do_deinterlace = 0;
166 static int top_field_first = -1;
167 static int me_threshold = 0;
168 static int intra_dc_precision = 8;
169 static int loop_input = 0;
170 static int loop_output = AVFMT_NOOUTPUTLOOP;
171 static int qp_hist = 0;
173 static char *vfilters = NULL;
176 static int intra_only = 0;
177 static int audio_sample_rate = 44100;
178 static int64_t channel_layout = 0;
179 #define QSCALE_NONE -99999
180 static float audio_qscale = QSCALE_NONE;
181 static int audio_disable = 0;
182 static int audio_channels = 1;
183 static char *audio_codec_name = NULL;
184 static unsigned int audio_codec_tag = 0;
185 static char *audio_language = NULL;
187 static int subtitle_disable = 0;
188 static char *subtitle_codec_name = NULL;
189 static char *subtitle_language = NULL;
190 static unsigned int subtitle_codec_tag = 0;
192 static int data_disable = 0;
193 static char *data_codec_name = NULL;
194 static unsigned int data_codec_tag = 0;
196 static float mux_preload= 0.5;
197 static float mux_max_delay= 0.7;
199 static int64_t recording_time = INT64_MAX;
200 static int64_t start_time = 0;
201 static int64_t recording_timestamp = 0;
202 static int64_t input_ts_offset = 0;
203 static int file_overwrite = 0;
204 static AVMetadata *metadata;
205 static int do_benchmark = 0;
206 static int do_hex_dump = 0;
207 static int do_pkt_dump = 0;
208 static int do_psnr = 0;
209 static int do_pass = 0;
210 static const char *pass_logfilename_prefix;
211 static int audio_stream_copy = 0;
212 static int video_stream_copy = 0;
213 static int subtitle_stream_copy = 0;
214 static int data_stream_copy = 0;
215 static int video_sync_method= -1;
216 static int audio_sync_method= 0;
217 static float audio_drift_threshold= 0.1;
218 static int copy_ts= 0;
219 static int copy_tb= 0;
220 static int opt_shortest = 0;
221 static char *vstats_filename;
222 static FILE *vstats_file;
223 static int opt_programid = 0;
224 static int copy_initial_nonkeyframes = 0;
226 static int rate_emu = 0;
228 static int video_channel = 0;
229 static char *video_standard;
231 static int audio_volume = 256;
233 static int exit_on_error = 0;
234 static int using_stdin = 0;
235 static int verbose = 1;
236 static int run_as_daemon = 0;
237 static int thread_count= 1;
238 static int q_pressed = 0;
239 static int64_t video_size = 0;
240 static int64_t audio_size = 0;
241 static int64_t extra_size = 0;
242 static int nb_frames_dup = 0;
243 static int nb_frames_drop = 0;
244 static int input_sync;
245 static uint64_t limit_filesize = 0;
246 static int force_fps = 0;
247 static char *forced_key_frames = NULL;
249 static float dts_delta_threshold = 10;
251 static int64_t timer_start;
253 static uint8_t *audio_buf;
254 static uint8_t *audio_out;
255 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
257 static short *samples;
259 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
260 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
261 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
263 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
265 struct AVInputStream;
267 typedef struct AVOutputStream {
268 int file_index; /* file index */
269 int index; /* stream index in the output file */
270 int source_index; /* AVInputStream index */
271 AVStream *st; /* stream in the output file */
272 int encoding_needed; /* true if encoding needed for this stream */
274 /* input pts and corresponding output pts
276 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
277 struct AVInputStream *sync_ist; /* input stream to sync against */
278 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
279 AVBitStreamFilterContext *bitstream_filters;
282 AVFrame resample_frame; /* temporary frame for image resampling */
283 struct SwsContext *img_resample_ctx; /* for image resampling */
286 int resample_pix_fmt;
288 float frame_aspect_ratio;
290 /* forced key frames */
291 int64_t *forced_kf_pts;
297 ReSampleContext *resample; /* for audio resampling */
298 int resample_sample_fmt;
299 int resample_channels;
300 int resample_sample_rate;
302 AVAudioConvert *reformat_ctx;
303 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
307 AVFilterContext *output_video_filter;
308 AVFilterContext *input_video_filter;
309 AVFilterBufferRef *picref;
311 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",
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", ost->sws_flags);
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);
560 av_free(data_codec_name);
562 av_free(video_standard);
567 allocated_audio_buf_size= allocated_audio_out_size= 0;
574 if (received_sigterm) {
576 "Received signal %d: terminating.\n",
577 (int) received_sigterm);
581 exit(ret); /* not all OS-es handle main() return value */
585 /* similar to ff_dynarray_add() and av_fast_realloc() */
586 static void *grow_array(void *array, int elem_size, int *size, int new_size)
588 if (new_size >= INT_MAX / elem_size) {
589 fprintf(stderr, "Array too big.\n");
592 if (*size < new_size) {
593 uint8_t *tmp = av_realloc(array, new_size*elem_size);
595 fprintf(stderr, "Could not alloc buffer.\n");
598 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
605 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
607 if(codec && codec->sample_fmts){
608 const enum AVSampleFormat *p= codec->sample_fmts;
610 if(*p == st->codec->sample_fmt)
614 av_log(NULL, AV_LOG_WARNING,
615 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
616 av_get_sample_fmt_name(st->codec->sample_fmt),
618 av_get_sample_fmt_name(codec->sample_fmts[0]));
619 st->codec->sample_fmt = codec->sample_fmts[0];
624 static void choose_sample_rate(AVStream *st, AVCodec *codec)
626 if(codec && codec->supported_samplerates){
627 const int *p= codec->supported_samplerates;
629 int best_dist=INT_MAX;
631 int dist= abs(st->codec->sample_rate - *p);
632 if(dist < best_dist){
638 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
640 st->codec->sample_rate= best;
644 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
646 if(codec && codec->pix_fmts){
647 const enum PixelFormat *p= codec->pix_fmts;
648 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
649 if(st->codec->codec_id==CODEC_ID_MJPEG){
650 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
651 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
652 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};
656 if(*p == st->codec->pix_fmt)
660 if(st->codec->pix_fmt != PIX_FMT_NONE)
661 av_log(NULL, AV_LOG_WARNING,
662 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
663 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
665 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
666 st->codec->pix_fmt = codec->pix_fmts[0];
671 static AVOutputStream *new_output_stream(AVFormatContext *oc, int file_idx)
673 int idx = oc->nb_streams - 1;
676 output_streams_for_file[file_idx] =
677 grow_array(output_streams_for_file[file_idx],
678 sizeof(*output_streams_for_file[file_idx]),
679 &nb_output_streams_for_file[file_idx],
681 ost = output_streams_for_file[file_idx][idx] =
682 av_mallocz(sizeof(AVOutputStream));
684 fprintf(stderr, "Could not alloc output stream\n");
687 ost->file_index = file_idx;
690 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
694 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
700 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
703 /* copy stream format */
705 s->streams = av_mallocz(sizeof(*s->streams) * ic->nb_streams);
706 for(i=0;i<ic->nb_streams;i++) {
712 // FIXME: a more elegant solution is needed
713 st = av_mallocz(sizeof(AVStream));
714 memcpy(st, ic->streams[i], sizeof(AVStream));
715 st->info = av_malloc(sizeof(*st->info));
716 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
717 st->codec = avcodec_alloc_context();
719 print_error(filename, AVERROR(ENOMEM));
722 avcodec_copy_context(st->codec, ic->streams[i]->codec);
725 codec = avcodec_find_encoder(st->codec->codec_id);
726 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
727 if (audio_stream_copy) {
730 choose_sample_fmt(st, codec);
731 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
732 if (video_stream_copy) {
735 choose_pixel_fmt(st, codec);
738 if(st->codec->flags & CODEC_FLAG_BITEXACT)
741 new_output_stream(s, nb_output_files);
745 s->timestamp = av_gettime();
747 av_close_input_file(ic);
752 get_sync_ipts(const AVOutputStream *ost)
754 const AVInputStream *ist = ost->sync_ist;
755 return (double)(ist->pts - start_time)/AV_TIME_BASE;
758 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
762 AVPacket new_pkt= *pkt;
763 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
764 &new_pkt.data, &new_pkt.size,
765 pkt->data, pkt->size,
766 pkt->flags & AV_PKT_FLAG_KEY);
769 new_pkt.destruct= av_destruct_packet;
771 fprintf(stderr, "%s failed for stream %d, codec %s",
772 bsfc->filter->name, pkt->stream_index,
773 avctx->codec ? avctx->codec->name : "copy");
783 ret= av_interleaved_write_frame(s, pkt);
785 print_error("av_interleaved_write_frame()", ret);
790 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
792 static void do_audio_out(AVFormatContext *s,
795 unsigned char *buf, int size)
798 int64_t audio_out_size, audio_buf_size;
799 int64_t allocated_for_size= size;
801 int size_out, frame_bytes, ret, resample_changed;
802 AVCodecContext *enc= ost->st->codec;
803 AVCodecContext *dec= ist->st->codec;
804 int osize= av_get_bits_per_sample_fmt(enc->sample_fmt)/8;
805 int isize= av_get_bits_per_sample_fmt(dec->sample_fmt)/8;
806 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
809 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
810 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
811 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
812 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
813 audio_buf_size*= osize*enc->channels;
815 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
816 if(coded_bps > 8*osize)
817 audio_out_size= audio_out_size * coded_bps / (8*osize);
818 audio_out_size += FF_MIN_BUFFER_SIZE;
820 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
821 fprintf(stderr, "Buffer sizes too large\n");
825 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
826 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
827 if (!audio_buf || !audio_out){
828 fprintf(stderr, "Out of memory in do_audio_out\n");
832 if (enc->channels != dec->channels)
833 ost->audio_resample = 1;
835 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
836 ost->resample_channels != dec->channels ||
837 ost->resample_sample_rate != dec->sample_rate;
839 if ((ost->audio_resample && !ost->resample) || resample_changed) {
840 if (resample_changed) {
841 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",
842 ist->file_index, ist->index,
843 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
844 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
845 ost->resample_sample_fmt = dec->sample_fmt;
846 ost->resample_channels = dec->channels;
847 ost->resample_sample_rate = dec->sample_rate;
849 audio_resample_close(ost->resample);
851 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
852 if (audio_sync_method <= 1 &&
853 ost->resample_sample_fmt == enc->sample_fmt &&
854 ost->resample_channels == enc->channels &&
855 ost->resample_sample_rate == enc->sample_rate) {
856 ost->resample = NULL;
857 ost->audio_resample = 0;
859 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
860 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
861 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
862 enc->sample_rate, dec->sample_rate,
863 enc->sample_fmt, dec->sample_fmt,
865 if (!ost->resample) {
866 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
867 dec->channels, dec->sample_rate,
868 enc->channels, enc->sample_rate);
874 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
875 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
876 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
877 if (ost->reformat_ctx)
878 av_audio_convert_free(ost->reformat_ctx);
879 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
880 dec->sample_fmt, 1, NULL, 0);
881 if (!ost->reformat_ctx) {
882 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
883 av_get_sample_fmt_name(dec->sample_fmt),
884 av_get_sample_fmt_name(enc->sample_fmt));
887 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
890 if(audio_sync_method){
891 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
892 - av_fifo_size(ost->fifo)/(enc->channels * 2);
893 double idelta= delta*dec->sample_rate / enc->sample_rate;
894 int byte_delta= ((int)idelta)*2*dec->channels;
896 //FIXME resample delay
897 if(fabs(delta) > 50){
898 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
900 byte_delta= FFMAX(byte_delta, -size);
904 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
909 static uint8_t *input_tmp= NULL;
910 input_tmp= av_realloc(input_tmp, byte_delta + size);
912 if(byte_delta > allocated_for_size - size){
913 allocated_for_size= byte_delta + (int64_t)size;
918 memset(input_tmp, 0, byte_delta);
919 memcpy(input_tmp + byte_delta, buf, size);
923 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
925 }else if(audio_sync_method>1){
926 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
927 av_assert0(ost->audio_resample);
929 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
930 // 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));
931 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
935 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
936 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
938 if (ost->audio_resample) {
940 size_out = audio_resample(ost->resample,
941 (short *)buftmp, (short *)buf,
942 size / (dec->channels * isize));
943 size_out = size_out * enc->channels * osize;
949 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
950 const void *ibuf[6]= {buftmp};
951 void *obuf[6]= {audio_buf};
952 int istride[6]= {isize};
953 int ostride[6]= {osize};
954 int len= size_out/istride[0];
955 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
956 printf("av_audio_convert() failed\n");
962 size_out = len*osize;
965 /* now encode as many frames as possible */
966 if (enc->frame_size > 1) {
967 /* output resampled raw samples */
968 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
969 fprintf(stderr, "av_fifo_realloc2() failed\n");
972 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
974 frame_bytes = enc->frame_size * osize * enc->channels;
976 while (av_fifo_size(ost->fifo) >= frame_bytes) {
978 av_init_packet(&pkt);
980 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
982 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
984 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
987 fprintf(stderr, "Audio encoding failed\n");
991 pkt.stream_index= ost->index;
994 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
995 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
996 pkt.flags |= AV_PKT_FLAG_KEY;
997 write_frame(s, &pkt, enc, ost->bitstream_filters);
999 ost->sync_opts += enc->frame_size;
1003 av_init_packet(&pkt);
1005 ost->sync_opts += size_out / (osize * enc->channels);
1007 /* output a pcm frame */
1008 /* determine the size of the coded buffer */
1011 size_out = size_out*coded_bps/8;
1013 if(size_out > audio_out_size){
1014 fprintf(stderr, "Internal error, buffer size too small\n");
1018 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1019 ret = avcodec_encode_audio(enc, audio_out, size_out,
1022 fprintf(stderr, "Audio encoding failed\n");
1026 pkt.stream_index= ost->index;
1027 pkt.data= audio_out;
1029 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1030 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1031 pkt.flags |= AV_PKT_FLAG_KEY;
1032 write_frame(s, &pkt, enc, ost->bitstream_filters);
1036 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
1038 AVCodecContext *dec;
1039 AVPicture *picture2;
1040 AVPicture picture_tmp;
1043 dec = ist->st->codec;
1045 /* deinterlace : must be done before any resize */
1046 if (do_deinterlace) {
1049 /* create temporary picture */
1050 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1051 buf = av_malloc(size);
1055 picture2 = &picture_tmp;
1056 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1058 if(avpicture_deinterlace(picture2, picture,
1059 dec->pix_fmt, dec->width, dec->height) < 0) {
1060 /* if error, do not deinterlace */
1061 fprintf(stderr, "Deinterlacing failed\n");
1070 if (picture != picture2)
1071 *picture = *picture2;
1075 /* we begin to correct av delay at this threshold */
1076 #define AV_DELAY_MAX 0.100
1078 static void do_subtitle_out(AVFormatContext *s,
1079 AVOutputStream *ost,
1084 static uint8_t *subtitle_out = NULL;
1085 int subtitle_out_max_size = 1024 * 1024;
1086 int subtitle_out_size, nb, i;
1087 AVCodecContext *enc;
1090 if (pts == AV_NOPTS_VALUE) {
1091 fprintf(stderr, "Subtitle packets must have a pts\n");
1097 enc = ost->st->codec;
1099 if (!subtitle_out) {
1100 subtitle_out = av_malloc(subtitle_out_max_size);
1103 /* Note: DVB subtitle need one packet to draw them and one other
1104 packet to clear them */
1105 /* XXX: signal it in the codec context ? */
1106 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1111 for(i = 0; i < nb; i++) {
1112 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1113 // start_display_time is required to be 0
1114 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1115 sub->end_display_time -= sub->start_display_time;
1116 sub->start_display_time = 0;
1117 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1118 subtitle_out_max_size, sub);
1119 if (subtitle_out_size < 0) {
1120 fprintf(stderr, "Subtitle encoding failed\n");
1124 av_init_packet(&pkt);
1125 pkt.stream_index = ost->index;
1126 pkt.data = subtitle_out;
1127 pkt.size = subtitle_out_size;
1128 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1129 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1130 /* XXX: the pts correction is handled here. Maybe handling
1131 it in the codec would be better */
1133 pkt.pts += 90 * sub->start_display_time;
1135 pkt.pts += 90 * sub->end_display_time;
1137 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1141 static int bit_buffer_size= 1024*256;
1142 static uint8_t *bit_buffer= NULL;
1144 static void do_video_out(AVFormatContext *s,
1145 AVOutputStream *ost,
1147 AVFrame *in_picture,
1150 int nb_frames, i, ret, av_unused resample_changed;
1151 AVFrame *final_picture, *formatted_picture;
1152 AVCodecContext *enc, *dec;
1155 enc = ost->st->codec;
1156 dec = ist->st->codec;
1158 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1160 /* by default, we output a single frame */
1165 if(video_sync_method){
1166 double vdelta = sync_ipts - ost->sync_opts;
1167 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1170 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1173 }else if(vdelta>0.6)
1174 ost->sync_opts= lrintf(sync_ipts);
1175 }else if (vdelta > 1.1)
1176 nb_frames = lrintf(vdelta);
1177 //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);
1178 if (nb_frames == 0){
1181 fprintf(stderr, "*** drop!\n");
1182 }else if (nb_frames > 1) {
1183 nb_frames_dup += nb_frames - 1;
1185 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1188 ost->sync_opts= lrintf(sync_ipts);
1190 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1194 formatted_picture = in_picture;
1195 final_picture = formatted_picture;
1197 #if !CONFIG_AVFILTER
1198 resample_changed = ost->resample_width != dec->width ||
1199 ost->resample_height != dec->height ||
1200 ost->resample_pix_fmt != dec->pix_fmt;
1202 if (resample_changed) {
1203 av_log(NULL, AV_LOG_INFO,
1204 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1205 ist->file_index, ist->index,
1206 ost->resample_width, ost->resample_height, avcodec_get_pix_fmt_name(ost->resample_pix_fmt),
1207 dec->width , dec->height , avcodec_get_pix_fmt_name(dec->pix_fmt));
1208 ost->resample_width = dec->width;
1209 ost->resample_height = dec->height;
1210 ost->resample_pix_fmt = dec->pix_fmt;
1213 ost->video_resample = dec->width != enc->width ||
1214 dec->height != enc->height ||
1215 dec->pix_fmt != enc->pix_fmt;
1217 if (ost->video_resample) {
1218 final_picture = &ost->resample_frame;
1219 if (!ost->img_resample_ctx || resample_changed) {
1220 /* initialize the destination picture */
1221 if (!ost->resample_frame.data[0]) {
1222 avcodec_get_frame_defaults(&ost->resample_frame);
1223 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1224 enc->width, enc->height)) {
1225 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1229 /* initialize a new scaler context */
1230 sws_freeContext(ost->img_resample_ctx);
1231 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1232 enc->width, enc->height, enc->pix_fmt,
1233 ost->sws_flags, NULL, NULL, NULL);
1234 if (ost->img_resample_ctx == NULL) {
1235 fprintf(stderr, "Cannot get resampling context\n");
1239 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1240 0, ost->resample_height, ost->resample_frame.data, ost->resample_frame.linesize);
1244 /* duplicates frame if needed */
1245 for(i=0;i<nb_frames;i++) {
1247 av_init_packet(&pkt);
1248 pkt.stream_index= ost->index;
1250 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1251 /* raw pictures are written as AVPicture structure to
1252 avoid any copies. We support temorarily the older
1254 AVFrame* old_frame = enc->coded_frame;
1255 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1256 pkt.data= (uint8_t *)final_picture;
1257 pkt.size= sizeof(AVPicture);
1258 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1259 pkt.flags |= AV_PKT_FLAG_KEY;
1261 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1262 enc->coded_frame = old_frame;
1264 AVFrame big_picture;
1266 big_picture= *final_picture;
1267 /* better than nothing: use input picture interlaced
1269 big_picture.interlaced_frame = in_picture->interlaced_frame;
1270 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1271 if(top_field_first == -1)
1272 big_picture.top_field_first = in_picture->top_field_first;
1274 big_picture.top_field_first = top_field_first;
1277 /* handles sameq here. This is not correct because it may
1278 not be a global option */
1279 big_picture.quality = same_quality ? ist->st->quality : ost->st->quality;
1281 big_picture.pict_type = 0;
1282 // big_picture.pts = AV_NOPTS_VALUE;
1283 big_picture.pts= ost->sync_opts;
1284 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1285 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1286 if (ost->forced_kf_index < ost->forced_kf_count &&
1287 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1288 big_picture.pict_type = AV_PICTURE_TYPE_I;
1289 ost->forced_kf_index++;
1291 ret = avcodec_encode_video(enc,
1292 bit_buffer, bit_buffer_size,
1295 fprintf(stderr, "Video encoding failed\n");
1300 pkt.data= bit_buffer;
1302 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1303 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1304 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1305 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1306 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1308 if(enc->coded_frame->key_frame)
1309 pkt.flags |= AV_PKT_FLAG_KEY;
1310 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1313 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1314 // enc->frame_number-1, ret, enc->pict_type);
1315 /* if two pass, output log */
1316 if (ost->logfile && enc->stats_out) {
1317 fprintf(ost->logfile, "%s", enc->stats_out);
1322 ost->frame_number++;
1326 static double psnr(double d){
1327 return -10.0*log(d)/log(10.0);
1330 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1333 AVCodecContext *enc;
1335 double ti1, bitrate, avg_bitrate;
1337 /* this is executed just the first time do_video_stats is called */
1339 vstats_file = fopen(vstats_filename, "w");
1346 enc = ost->st->codec;
1347 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1348 frame_number = ost->frame_number;
1349 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1350 if (enc->flags&CODEC_FLAG_PSNR)
1351 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1353 fprintf(vstats_file,"f_size= %6d ", frame_size);
1354 /* compute pts value */
1355 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1359 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1360 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1361 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1362 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1363 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1367 static void print_report(AVFormatContext **output_files,
1368 AVOutputStream **ost_table, int nb_ostreams,
1372 AVOutputStream *ost;
1373 AVFormatContext *oc;
1375 AVCodecContext *enc;
1376 int frame_number, vid, i;
1377 double bitrate, ti1, pts;
1378 static int64_t last_time = -1;
1379 static int qp_histogram[52];
1381 if (!is_last_report) {
1383 /* display the report every 0.5 seconds */
1384 cur_time = av_gettime();
1385 if (last_time == -1) {
1386 last_time = cur_time;
1389 if ((cur_time - last_time) < 500000)
1391 last_time = cur_time;
1395 oc = output_files[0];
1397 total_size = avio_size(oc->pb);
1398 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1399 total_size= avio_tell(oc->pb);
1404 for(i=0;i<nb_ostreams;i++) {
1407 enc = ost->st->codec;
1408 if (!ost->st->stream_copy && enc->coded_frame)
1409 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1410 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1411 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1413 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1414 float t = (av_gettime()-timer_start) / 1000000.0;
1416 frame_number = ost->frame_number;
1417 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1418 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1420 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1424 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1427 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1429 if (enc->flags&CODEC_FLAG_PSNR){
1431 double error, error_sum=0;
1432 double scale, scale_sum=0;
1433 char type[3]= {'Y','U','V'};
1434 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1437 error= enc->error[j];
1438 scale= enc->width*enc->height*255.0*255.0*frame_number;
1440 error= enc->coded_frame->error[j];
1441 scale= enc->width*enc->height*255.0*255.0;
1446 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1448 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1452 /* compute min output value */
1453 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1454 if ((pts < ti1) && (pts > 0))
1460 if (verbose > 0 || is_last_report) {
1461 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1463 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1464 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1465 (double)total_size / 1024, ti1, bitrate);
1467 if (nb_frames_dup || nb_frames_drop)
1468 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1469 nb_frames_dup, nb_frames_drop);
1472 fprintf(stderr, "%s \r", buf);
1477 if (is_last_report && verbose >= 0){
1478 int64_t raw= audio_size + video_size + extra_size;
1479 fprintf(stderr, "\n");
1480 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1484 100.0*(total_size - raw)/raw
1489 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1491 int fill_char = 0x00;
1492 if (sample_fmt == AV_SAMPLE_FMT_U8)
1494 memset(buf, fill_char, size);
1497 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1498 static int output_packet(AVInputStream *ist, int ist_index,
1499 AVOutputStream **ost_table, int nb_ostreams,
1500 const AVPacket *pkt)
1502 AVFormatContext *os;
1503 AVOutputStream *ost;
1507 void *buffer_to_free = NULL;
1508 static unsigned int samples_size= 0;
1509 AVSubtitle subtitle, *subtitle_to_free;
1510 int64_t pkt_pts = AV_NOPTS_VALUE;
1512 int frame_available;
1516 int bps = av_get_bits_per_sample_fmt(ist->st->codec->sample_fmt)>>3;
1518 if(ist->next_pts == AV_NOPTS_VALUE)
1519 ist->next_pts= ist->pts;
1523 av_init_packet(&avpkt);
1531 if(pkt->dts != AV_NOPTS_VALUE)
1532 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1533 if(pkt->pts != AV_NOPTS_VALUE)
1534 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1536 //while we have more to decode or while the decoder did output something on EOF
1537 while (avpkt.size > 0 || (!pkt && got_output)) {
1538 uint8_t *data_buf, *decoded_data_buf;
1539 int data_size, decoded_data_size;
1541 ist->pts= ist->next_pts;
1543 if(avpkt.size && avpkt.size != pkt->size &&
1544 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1545 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1546 ist->showed_multi_packet_warning=1;
1549 /* decode the packet if needed */
1550 decoded_data_buf = NULL; /* fail safe */
1551 decoded_data_size= 0;
1552 data_buf = avpkt.data;
1553 data_size = avpkt.size;
1554 subtitle_to_free = NULL;
1555 if (ist->decoding_needed) {
1556 switch(ist->st->codec->codec_type) {
1557 case AVMEDIA_TYPE_AUDIO:{
1558 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1559 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1561 samples= av_malloc(samples_size);
1563 decoded_data_size= samples_size;
1564 /* XXX: could avoid copy if PCM 16 bits with same
1565 endianness as CPU */
1566 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1573 got_output = decoded_data_size > 0;
1574 /* Some bug in mpeg audio decoder gives */
1575 /* decoded_data_size < 0, it seems they are overflows */
1577 /* no audio frame */
1580 decoded_data_buf = (uint8_t *)samples;
1581 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1582 (ist->st->codec->sample_rate * ist->st->codec->channels);
1584 case AVMEDIA_TYPE_VIDEO:
1585 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1586 /* XXX: allocate picture correctly */
1587 avcodec_get_frame_defaults(&picture);
1588 avpkt.pts = pkt_pts;
1589 avpkt.dts = ist->pts;
1590 pkt_pts = AV_NOPTS_VALUE;
1592 ret = avcodec_decode_video2(ist->st->codec,
1593 &picture, &got_output, &avpkt);
1594 ist->st->quality= picture.quality;
1598 /* no picture yet */
1599 goto discard_packet;
1601 ist->next_pts = ist->pts = picture.best_effort_timestamp;
1602 if (ist->st->codec->time_base.num != 0) {
1603 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1604 ist->next_pts += ((int64_t)AV_TIME_BASE *
1605 ist->st->codec->time_base.num * ticks) /
1606 ist->st->codec->time_base.den;
1609 buffer_to_free = NULL;
1610 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1612 case AVMEDIA_TYPE_SUBTITLE:
1613 ret = avcodec_decode_subtitle2(ist->st->codec,
1614 &subtitle, &got_output, &avpkt);
1618 goto discard_packet;
1620 subtitle_to_free = &subtitle;
1627 switch(ist->st->codec->codec_type) {
1628 case AVMEDIA_TYPE_AUDIO:
1629 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1630 ist->st->codec->sample_rate;
1632 case AVMEDIA_TYPE_VIDEO:
1633 if (ist->st->codec->time_base.num != 0) {
1634 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1635 ist->next_pts += ((int64_t)AV_TIME_BASE *
1636 ist->st->codec->time_base.num * ticks) /
1637 ist->st->codec->time_base.den;
1646 if(ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1647 for(i=0;i<nb_ostreams;i++) {
1649 if (ost->input_video_filter && ost->source_index == ist_index) {
1650 if (!picture.sample_aspect_ratio.num)
1651 picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
1652 picture.pts = ist->pts;
1654 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture);
1660 // preprocess audio (volume)
1661 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1662 if (audio_volume != 256) {
1665 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1666 int v = ((*volp) * audio_volume + 128) >> 8;
1667 if (v < -32768) v = -32768;
1668 if (v > 32767) v = 32767;
1674 /* frame rate emulation */
1676 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1677 int64_t now = av_gettime() - ist->start;
1681 /* if output time reached then transcode raw format,
1682 encode packets and output them */
1683 if (start_time == 0 || ist->pts >= start_time)
1684 for(i=0;i<nb_ostreams;i++) {
1688 if (ost->source_index == ist_index) {
1690 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1691 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1692 while (frame_available) {
1693 AVRational ist_pts_tb;
1694 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1695 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1697 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1699 os = output_files[ost->file_index];
1701 /* set the input output pts pairs */
1702 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1704 if (ost->encoding_needed) {
1705 av_assert0(ist->decoding_needed);
1706 switch(ost->st->codec->codec_type) {
1707 case AVMEDIA_TYPE_AUDIO:
1708 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1710 case AVMEDIA_TYPE_VIDEO:
1712 if (ost->picref->video && !ost->frame_aspect_ratio)
1713 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1715 do_video_out(os, ost, ist, &picture, &frame_size);
1716 if (vstats_filename && frame_size)
1717 do_video_stats(os, ost, frame_size);
1719 case AVMEDIA_TYPE_SUBTITLE:
1720 do_subtitle_out(os, ost, ist, &subtitle,
1727 AVFrame avframe; //FIXME/XXX remove this
1729 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1731 av_init_packet(&opkt);
1733 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1734 #if !CONFIG_AVFILTER
1740 /* no reencoding needed : output the packet directly */
1741 /* force the input stream PTS */
1743 avcodec_get_frame_defaults(&avframe);
1744 ost->st->codec->coded_frame= &avframe;
1745 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1747 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1748 audio_size += data_size;
1749 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1750 video_size += data_size;
1754 opkt.stream_index= ost->index;
1755 if(pkt->pts != AV_NOPTS_VALUE)
1756 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1758 opkt.pts= AV_NOPTS_VALUE;
1760 if (pkt->dts == AV_NOPTS_VALUE)
1761 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1763 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1764 opkt.dts -= ost_tb_start_time;
1766 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1767 opkt.flags= pkt->flags;
1769 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1770 if( ost->st->codec->codec_id != CODEC_ID_H264
1771 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1772 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1774 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1775 opkt.destruct= av_destruct_packet;
1777 opkt.data = data_buf;
1778 opkt.size = data_size;
1781 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1782 ost->st->codec->frame_number++;
1783 ost->frame_number++;
1784 av_free_packet(&opkt);
1788 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1789 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1790 avfilter_unref_buffer(ost->picref);
1796 av_free(buffer_to_free);
1797 /* XXX: allocate the subtitles in the codec ? */
1798 if (subtitle_to_free) {
1799 avsubtitle_free(subtitle_to_free);
1800 subtitle_to_free = NULL;
1807 for(i=0;i<nb_ostreams;i++) {
1809 if (ost->source_index == ist_index) {
1810 AVCodecContext *enc= ost->st->codec;
1811 os = output_files[ost->file_index];
1813 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1815 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1818 if (ost->encoding_needed) {
1822 av_init_packet(&pkt);
1823 pkt.stream_index= ost->index;
1825 switch(ost->st->codec->codec_type) {
1826 case AVMEDIA_TYPE_AUDIO:
1827 fifo_bytes = av_fifo_size(ost->fifo);
1829 /* encode any samples remaining in fifo */
1830 if (fifo_bytes > 0) {
1831 int osize = av_get_bits_per_sample_fmt(enc->sample_fmt) >> 3;
1832 int fs_tmp = enc->frame_size;
1834 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1835 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1836 enc->frame_size = fifo_bytes / (osize * enc->channels);
1838 int frame_bytes = enc->frame_size*osize*enc->channels;
1839 if (allocated_audio_buf_size < frame_bytes)
1841 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1844 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1845 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1846 ost->st->time_base.num, enc->sample_rate);
1847 enc->frame_size = fs_tmp;
1850 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1853 fprintf(stderr, "Audio encoding failed\n");
1857 pkt.flags |= AV_PKT_FLAG_KEY;
1859 case AVMEDIA_TYPE_VIDEO:
1860 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1862 fprintf(stderr, "Video encoding failed\n");
1866 if(enc->coded_frame && enc->coded_frame->key_frame)
1867 pkt.flags |= AV_PKT_FLAG_KEY;
1868 if (ost->logfile && enc->stats_out) {
1869 fprintf(ost->logfile, "%s", enc->stats_out);
1878 pkt.data= bit_buffer;
1880 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1881 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1882 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1894 static void print_sdp(AVFormatContext **avc, int n)
1898 av_sdp_create(avc, n, sdp, sizeof(sdp));
1899 printf("SDP:\n%s\n", sdp);
1903 static int copy_chapters(int infile, int outfile)
1905 AVFormatContext *is = input_files[infile];
1906 AVFormatContext *os = output_files[outfile];
1909 for (i = 0; i < is->nb_chapters; i++) {
1910 AVChapter *in_ch = is->chapters[i], *out_ch;
1911 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
1912 AV_TIME_BASE_Q, in_ch->time_base);
1913 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1914 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1917 if (in_ch->end < ts_off)
1919 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1922 out_ch = av_mallocz(sizeof(AVChapter));
1924 return AVERROR(ENOMEM);
1926 out_ch->id = in_ch->id;
1927 out_ch->time_base = in_ch->time_base;
1928 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1929 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1931 if (metadata_chapters_autocopy)
1932 av_metadata_copy(&out_ch->metadata, in_ch->metadata, 0);
1935 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1937 return AVERROR(ENOMEM);
1938 os->chapters[os->nb_chapters - 1] = out_ch;
1943 static void parse_forced_key_frames(char *kf, AVOutputStream *ost,
1944 AVCodecContext *avctx)
1950 for (p = kf; *p; p++)
1953 ost->forced_kf_count = n;
1954 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1955 if (!ost->forced_kf_pts) {
1956 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1959 for (i = 0; i < n; i++) {
1960 p = i ? strchr(p, ',') + 1 : kf;
1961 t = parse_time_or_die("force_key_frames", p, 1);
1962 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1967 * The following code is the main loop of the file converter
1969 static int transcode(AVFormatContext **output_files,
1970 int nb_output_files,
1971 AVFormatContext **input_files,
1973 AVStreamMap *stream_maps, int nb_stream_maps)
1975 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0, step;
1976 AVFormatContext *is, *os;
1977 AVCodecContext *codec, *icodec;
1978 AVOutputStream *ost, **ost_table = NULL;
1979 AVInputStream *ist, **ist_table = NULL;
1980 AVInputFile *file_table;
1984 uint8_t no_packet[MAX_FILES]={0};
1985 int no_packet_count=0;
1986 int nb_frame_threshold[AVMEDIA_TYPE_NB]={0};
1987 int nb_streams[AVMEDIA_TYPE_NB]={0};
1989 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1993 /* input stream init */
1995 for(i=0;i<nb_input_files;i++) {
1996 is = input_files[i];
1997 file_table[i].ist_index = j;
1998 file_table[i].nb_streams = is->nb_streams;
1999 j += is->nb_streams;
2003 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
2007 for(i=0;i<nb_istreams;i++) {
2008 ist = av_mallocz(sizeof(AVInputStream));
2014 for(i=0;i<nb_input_files;i++) {
2015 is = input_files[i];
2016 for(k=0;k<is->nb_streams;k++) {
2017 ist = ist_table[j++];
2018 ist->st = is->streams[k];
2019 ist->file_index = i;
2021 ist->discard = 1; /* the stream is discarded by default
2025 ist->start = av_gettime();
2030 /* output stream init */
2032 for(i=0;i<nb_output_files;i++) {
2033 os = output_files[i];
2034 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
2035 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2036 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
2037 ret = AVERROR(EINVAL);
2040 nb_ostreams += os->nb_streams;
2042 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
2043 fprintf(stderr, "Number of stream maps must match number of output streams\n");
2044 ret = AVERROR(EINVAL);
2048 /* Sanity check the mapping args -- do the input files & streams exist? */
2049 for(i=0;i<nb_stream_maps;i++) {
2050 int fi = stream_maps[i].file_index;
2051 int si = stream_maps[i].stream_index;
2053 if (fi < 0 || fi > nb_input_files - 1 ||
2054 si < 0 || si > file_table[fi].nb_streams - 1) {
2055 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
2056 ret = AVERROR(EINVAL);
2059 fi = stream_maps[i].sync_file_index;
2060 si = stream_maps[i].sync_stream_index;
2061 if (fi < 0 || fi > nb_input_files - 1 ||
2062 si < 0 || si > file_table[fi].nb_streams - 1) {
2063 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
2064 ret = AVERROR(EINVAL);
2069 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
2073 for(k=0;k<nb_output_files;k++) {
2074 os = output_files[k];
2075 for(i=0;i<os->nb_streams;i++,n++) {
2076 nb_streams[os->streams[i]->codec->codec_type]++;
2079 for(step=1<<30; step; step>>=1){
2080 int found_streams[AVMEDIA_TYPE_NB]={0};
2081 for(j=0; j<AVMEDIA_TYPE_NB; j++)
2082 nb_frame_threshold[j] += step;
2084 for(j=0; j<nb_istreams; j++) {
2089 AVFormatContext *f= input_files[ ist->file_index ];
2091 for(pi=0; pi<f->nb_programs; pi++){
2092 AVProgram *p= f->programs[pi];
2093 if(p->id == opt_programid)
2094 for(si=0; si<p->nb_stream_indexes; si++){
2095 if(f->streams[ p->stream_index[si] ] == ist->st)
2100 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip
2101 && nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames){
2102 found_streams[ist->st->codec->codec_type]++;
2105 for(j=0; j<AVMEDIA_TYPE_NB; j++)
2106 if(found_streams[j] < nb_streams[j])
2107 nb_frame_threshold[j] -= step;
2110 for(k=0;k<nb_output_files;k++) {
2111 os = output_files[k];
2112 for(i=0;i<os->nb_streams;i++,n++) {
2114 ost = ost_table[n] = output_streams_for_file[k][i];
2115 ost->st = os->streams[i];
2116 if (nb_stream_maps > 0) {
2117 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
2118 stream_maps[n].stream_index;
2120 /* Sanity check that the stream types match */
2121 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
2122 int i= ost->file_index;
2123 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2124 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2125 stream_maps[n].file_index, stream_maps[n].stream_index,
2126 ost->file_index, ost->index);
2131 /* get corresponding input stream index : we select the first one with the right type */
2133 for(j=0;j<nb_istreams;j++) {
2138 AVFormatContext *f= input_files[ ist->file_index ];
2140 for(pi=0; pi<f->nb_programs; pi++){
2141 AVProgram *p= f->programs[pi];
2142 if(p->id == opt_programid)
2143 for(si=0; si<p->nb_stream_indexes; si++){
2144 if(f->streams[ p->stream_index[si] ] == ist->st)
2149 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2150 ist->st->codec->codec_type == ost->st->codec->codec_type &&
2151 nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames) {
2152 ost->source_index = j;
2159 if(! opt_programid) {
2160 /* try again and reuse existing stream */
2161 for(j=0;j<nb_istreams;j++) {
2163 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2164 && ist->st->discard != AVDISCARD_ALL) {
2165 ost->source_index = j;
2171 int i= ost->file_index;
2172 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2173 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2174 ost->file_index, ost->index);
2179 ist = ist_table[ost->source_index];
2181 ost->sync_ist = (nb_stream_maps > 0) ?
2182 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
2183 stream_maps[n].sync_stream_index] : ist;
2187 /* for each output stream, we compute the right encoding parameters */
2188 for(i=0;i<nb_ostreams;i++) {
2190 os = output_files[ost->file_index];
2191 ist = ist_table[ost->source_index];
2193 codec = ost->st->codec;
2194 icodec = ist->st->codec;
2196 if (metadata_streams_autocopy)
2197 av_metadata_copy(&ost->st->metadata, ist->st->metadata,
2198 AV_METADATA_DONT_OVERWRITE);
2200 ost->st->disposition = ist->st->disposition;
2201 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2202 codec->chroma_sample_location = icodec->chroma_sample_location;
2204 if (ost->st->stream_copy) {
2205 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2207 if (extra_size > INT_MAX)
2210 /* if stream_copy is selected, no need to decode or encode */
2211 codec->codec_id = icodec->codec_id;
2212 codec->codec_type = icodec->codec_type;
2214 if(!codec->codec_tag){
2215 if( !os->oformat->codec_tag
2216 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2217 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2218 codec->codec_tag = icodec->codec_tag;
2221 codec->bit_rate = icodec->bit_rate;
2222 codec->rc_max_rate = icodec->rc_max_rate;
2223 codec->rc_buffer_size = icodec->rc_buffer_size;
2224 codec->extradata= av_mallocz(extra_size);
2225 if (!codec->extradata)
2227 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2228 codec->extradata_size= icodec->extradata_size;
2229 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){
2230 codec->time_base = icodec->time_base;
2231 codec->time_base.num *= icodec->ticks_per_frame;
2232 av_reduce(&codec->time_base.num, &codec->time_base.den,
2233 codec->time_base.num, codec->time_base.den, INT_MAX);
2235 codec->time_base = ist->st->time_base;
2236 switch(codec->codec_type) {
2237 case AVMEDIA_TYPE_AUDIO:
2238 if(audio_volume != 256) {
2239 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2242 codec->channel_layout = icodec->channel_layout;
2243 codec->sample_rate = icodec->sample_rate;
2244 codec->channels = icodec->channels;
2245 codec->frame_size = icodec->frame_size;
2246 codec->audio_service_type = icodec->audio_service_type;
2247 codec->block_align= icodec->block_align;
2248 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2249 codec->block_align= 0;
2250 if(codec->codec_id == CODEC_ID_AC3)
2251 codec->block_align= 0;
2253 case AVMEDIA_TYPE_VIDEO:
2254 codec->pix_fmt = icodec->pix_fmt;
2255 codec->width = icodec->width;
2256 codec->height = icodec->height;
2257 codec->has_b_frames = icodec->has_b_frames;
2258 if (!codec->sample_aspect_ratio.num) {
2259 codec->sample_aspect_ratio =
2260 ost->st->sample_aspect_ratio =
2261 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2262 ist->st->codec->sample_aspect_ratio.num ?
2263 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2266 case AVMEDIA_TYPE_SUBTITLE:
2267 codec->width = icodec->width;
2268 codec->height = icodec->height;
2270 case AVMEDIA_TYPE_DATA:
2276 switch(codec->codec_type) {
2277 case AVMEDIA_TYPE_AUDIO:
2278 ost->fifo= av_fifo_alloc(1024);
2281 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2282 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2283 icodec->request_channels = codec->channels;
2284 ist->decoding_needed = 1;
2285 ost->encoding_needed = 1;
2286 ost->resample_sample_fmt = icodec->sample_fmt;
2287 ost->resample_sample_rate = icodec->sample_rate;
2288 ost->resample_channels = icodec->channels;
2290 case AVMEDIA_TYPE_VIDEO:
2291 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2292 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2295 ost->video_resample = codec->width != icodec->width ||
2296 codec->height != icodec->height ||
2297 codec->pix_fmt != icodec->pix_fmt;
2298 if (ost->video_resample) {
2299 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2301 ost->resample_height = icodec->height;
2302 ost->resample_width = icodec->width;
2303 ost->resample_pix_fmt= icodec->pix_fmt;
2304 ost->encoding_needed = 1;
2305 ist->decoding_needed = 1;
2308 if (configure_video_filters(ist, ost)) {
2309 fprintf(stderr, "Error opening filters!\n");
2314 case AVMEDIA_TYPE_SUBTITLE:
2315 ost->encoding_needed = 1;
2316 ist->decoding_needed = 1;
2323 if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
2324 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2325 char logfilename[1024];
2328 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2329 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2331 if (codec->flags & CODEC_FLAG_PASS1) {
2332 f = fopen(logfilename, "wb");
2334 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2340 size_t logbuffer_size;
2341 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2342 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2345 codec->stats_in = logbuffer;
2349 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2350 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2351 int size= codec->width * codec->height;
2352 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2357 bit_buffer = av_malloc(bit_buffer_size);
2359 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2361 ret = AVERROR(ENOMEM);
2365 /* open each encoder */
2366 for(i=0;i<nb_ostreams;i++) {
2368 if (ost->encoding_needed) {
2369 AVCodec *codec = i < nb_output_codecs ? output_codecs[i] : NULL;
2370 AVCodecContext *dec = ist_table[ost->source_index]->st->codec;
2372 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2374 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2375 ost->st->codec->codec_id, ost->file_index, ost->index);
2376 ret = AVERROR(EINVAL);
2379 if (dec->subtitle_header) {
2380 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2381 if (!ost->st->codec->subtitle_header) {
2382 ret = AVERROR(ENOMEM);
2385 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2386 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2388 if (avcodec_open(ost->st->codec, codec) < 0) {
2389 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2390 ost->file_index, ost->index);
2391 ret = AVERROR(EINVAL);
2394 extra_size += ost->st->codec->extradata_size;
2398 /* open each decoder */
2399 for(i=0;i<nb_istreams;i++) {
2401 if (ist->decoding_needed) {
2402 AVCodec *codec = i < nb_input_codecs ? input_codecs[i] : NULL;
2404 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2406 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2407 ist->st->codec->codec_id, ist->file_index, ist->index);
2408 ret = AVERROR(EINVAL);
2411 if (avcodec_open(ist->st->codec, codec) < 0) {
2412 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2413 ist->file_index, ist->index);
2414 ret = AVERROR(EINVAL);
2417 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2418 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2423 for(i=0;i<nb_istreams;i++) {
2427 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2428 ist->next_pts = AV_NOPTS_VALUE;
2432 /* set meta data information from input file if required */
2433 for (i=0;i<nb_meta_data_maps;i++) {
2434 AVFormatContext *files[2];
2435 AVMetadata **meta[2];
2438 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
2439 if ((index) < 0 || (index) >= (nb_elems)) {\
2440 snprintf(error, sizeof(error), "Invalid %s index %d while processing metadata maps\n",\
2442 ret = AVERROR(EINVAL);\
2446 int out_file_index = meta_data_maps[i][0].file;
2447 int in_file_index = meta_data_maps[i][1].file;
2448 if (in_file_index < 0 || out_file_index < 0)
2450 METADATA_CHECK_INDEX(out_file_index, nb_output_files, "output file")
2451 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
2453 files[0] = output_files[out_file_index];
2454 files[1] = input_files[in_file_index];
2456 for (j = 0; j < 2; j++) {
2457 AVMetaDataMap *map = &meta_data_maps[i][j];
2459 switch (map->type) {
2461 meta[j] = &files[j]->metadata;
2464 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
2465 meta[j] = &files[j]->streams[map->index]->metadata;
2468 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
2469 meta[j] = &files[j]->chapters[map->index]->metadata;
2472 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
2473 meta[j] = &files[j]->programs[map->index]->metadata;
2478 av_metadata_copy(meta[0], *meta[1], AV_METADATA_DONT_OVERWRITE);
2481 /* copy global metadata by default */
2482 if (metadata_global_autocopy) {
2484 for (i = 0; i < nb_output_files; i++)
2485 av_metadata_copy(&output_files[i]->metadata, input_files[0]->metadata,
2486 AV_METADATA_DONT_OVERWRITE);
2489 /* copy chapters according to chapter maps */
2490 for (i = 0; i < nb_chapter_maps; i++) {
2491 int infile = chapter_maps[i].in_file;
2492 int outfile = chapter_maps[i].out_file;
2494 if (infile < 0 || outfile < 0)
2496 if (infile >= nb_input_files) {
2497 snprintf(error, sizeof(error), "Invalid input file index %d in chapter mapping.\n", infile);
2498 ret = AVERROR(EINVAL);
2501 if (outfile >= nb_output_files) {
2502 snprintf(error, sizeof(error), "Invalid output file index %d in chapter mapping.\n",outfile);
2503 ret = AVERROR(EINVAL);
2506 copy_chapters(infile, outfile);
2509 /* copy chapters from the first input file that has them*/
2510 if (!nb_chapter_maps)
2511 for (i = 0; i < nb_input_files; i++) {
2512 if (!input_files[i]->nb_chapters)
2515 for (j = 0; j < nb_output_files; j++)
2516 if ((ret = copy_chapters(i, j)) < 0)
2521 /* open files and write file headers */
2522 for(i=0;i<nb_output_files;i++) {
2523 os = output_files[i];
2524 if (av_write_header(os) < 0) {
2525 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2526 ret = AVERROR(EINVAL);
2529 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2535 /* dump the file output parameters - cannot be done before in case
2537 for(i=0;i<nb_output_files;i++) {
2538 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2541 /* dump the stream mapping */
2543 fprintf(stderr, "Stream mapping:\n");
2544 for(i=0;i<nb_ostreams;i++) {
2546 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2547 ist_table[ost->source_index]->file_index,
2548 ist_table[ost->source_index]->index,
2551 if (ost->sync_ist != ist_table[ost->source_index])
2552 fprintf(stderr, " [sync #%d.%d]",
2553 ost->sync_ist->file_index,
2554 ost->sync_ist->index);
2555 fprintf(stderr, "\n");
2560 fprintf(stderr, "%s\n", error);
2565 print_sdp(output_files, nb_output_files);
2570 fprintf(stderr, "Press [q] to stop, [?] for help\n");
2571 avio_set_interrupt_cb(decode_interrupt_cb);
2575 timer_start = av_gettime();
2577 for(; received_sigterm == 0;) {
2578 int file_index, ist_index;
2586 /* if 'q' pressed, exits */
2590 /* read_key() returns 0 on EOF */
2594 if (key == '+') verbose++;
2595 if (key == '-') verbose--;
2596 if (key == 's') qp_hist ^= 1;
2599 do_hex_dump = do_pkt_dump = 0;
2600 } else if(do_pkt_dump){
2604 av_log_set_level(AV_LOG_DEBUG);
2606 if (key == 'd' || key == 'D'){
2610 debug = ist->st->codec->debug<<1;
2611 if(!debug) debug = 1;
2612 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2615 scanf("%d", &debug);
2616 for(i=0;i<nb_istreams;i++) {
2618 ist->st->codec->debug = debug;
2620 for(i=0;i<nb_ostreams;i++) {
2622 ost->st->codec->debug = debug;
2624 if(debug) av_log_set_level(AV_LOG_DEBUG);
2625 fprintf(stderr,"debug=%d\n", debug);
2628 fprintf(stderr, "key function\n"
2629 "? show this help\n"
2630 "+ increase verbosity\n"
2631 "- decrease verbosity\n"
2632 "D cycle through available debug modes\n"
2633 "h dump packets/hex press to cycle through the 3 states\n"
2635 "s Show QP histogram\n"
2640 /* select the stream that we must read now by looking at the
2641 smallest output pts */
2643 for(i=0;i<nb_ostreams;i++) {
2646 os = output_files[ost->file_index];
2647 ist = ist_table[ost->source_index];
2648 if(ist->is_past_recording_time || no_packet[ist->file_index])
2650 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2651 ipts = (double)ist->pts;
2652 if (!file_table[ist->file_index].eof_reached){
2653 if(ipts < ipts_min) {
2655 if(input_sync ) file_index = ist->file_index;
2657 if(opts < opts_min) {
2659 if(!input_sync) file_index = ist->file_index;
2662 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2667 /* if none, if is finished */
2668 if (file_index < 0) {
2669 if(no_packet_count){
2671 memset(no_packet, 0, sizeof(no_packet));
2678 /* finish if limit size exhausted */
2679 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
2682 /* read a frame from it and output it in the fifo */
2683 is = input_files[file_index];
2684 ret= av_read_frame(is, &pkt);
2685 if(ret == AVERROR(EAGAIN)){
2686 no_packet[file_index]=1;
2691 file_table[file_index].eof_reached = 1;
2699 memset(no_packet, 0, sizeof(no_packet));
2702 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2703 is->streams[pkt.stream_index]);
2705 /* the following test is needed in case new streams appear
2706 dynamically in stream : we ignore them */
2707 if (pkt.stream_index >= file_table[file_index].nb_streams)
2708 goto discard_packet;
2709 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2710 ist = ist_table[ist_index];
2712 goto discard_packet;
2714 if (pkt.dts != AV_NOPTS_VALUE)
2715 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2716 if (pkt.pts != AV_NOPTS_VALUE)
2717 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2719 if (pkt.stream_index < nb_input_files_ts_scale[file_index]
2720 && input_files_ts_scale[file_index][pkt.stream_index]){
2721 if(pkt.pts != AV_NOPTS_VALUE)
2722 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2723 if(pkt.dts != AV_NOPTS_VALUE)
2724 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2727 // 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);
2728 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2729 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2730 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2731 int64_t delta= pkt_dts - ist->next_pts;
2732 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2733 input_files_ts_offset[ist->file_index]-= delta;
2735 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2736 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2737 if(pkt.pts != AV_NOPTS_VALUE)
2738 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2742 /* finish if recording time exhausted */
2743 if (recording_time != INT64_MAX &&
2744 (pkt.pts != AV_NOPTS_VALUE || pkt.dts != AV_NOPTS_VALUE ?
2745 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000})
2747 av_compare_ts(ist->pts, AV_TIME_BASE_Q, recording_time + start_time, (AVRational){1, 1000000})
2749 ist->is_past_recording_time = 1;
2750 goto discard_packet;
2753 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2754 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2757 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2758 ist->file_index, ist->index);
2761 av_free_packet(&pkt);
2766 av_free_packet(&pkt);
2768 /* dump report by using the output first video and audio streams */
2769 print_report(output_files, ost_table, nb_ostreams, 0);
2772 /* at the end of stream, we must flush the decoder buffers */
2773 for(i=0;i<nb_istreams;i++) {
2775 if (ist->decoding_needed) {
2776 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2782 /* write the trailer if needed and close file */
2783 for(i=0;i<nb_output_files;i++) {
2784 os = output_files[i];
2785 av_write_trailer(os);
2788 /* dump report by using the first video and audio streams */
2789 print_report(output_files, ost_table, nb_ostreams, 1);
2791 /* close each encoder */
2792 for(i=0;i<nb_ostreams;i++) {
2794 if (ost->encoding_needed) {
2795 av_freep(&ost->st->codec->stats_in);
2796 avcodec_close(ost->st->codec);
2799 avfilter_graph_free(&ost->graph);
2803 /* close each decoder */
2804 for(i=0;i<nb_istreams;i++) {
2806 if (ist->decoding_needed) {
2807 avcodec_close(ist->st->codec);
2815 av_freep(&bit_buffer);
2816 av_free(file_table);
2819 for(i=0;i<nb_istreams;i++) {
2826 for(i=0;i<nb_ostreams;i++) {
2829 if (ost->st->stream_copy)
2830 av_freep(&ost->st->codec->extradata);
2832 fclose(ost->logfile);
2833 ost->logfile = NULL;
2835 av_fifo_free(ost->fifo); /* works even if fifo is not
2836 initialized but set to zero */
2837 av_freep(&ost->st->codec->subtitle_header);
2838 av_free(ost->resample_frame.data[0]);
2839 av_free(ost->forced_kf_pts);
2840 if (ost->video_resample)
2841 sws_freeContext(ost->img_resample_ctx);
2843 audio_resample_close(ost->resample);
2844 if (ost->reformat_ctx)
2845 av_audio_convert_free(ost->reformat_ctx);
2854 static void opt_format(const char *arg)
2856 last_asked_format = arg;
2859 static void opt_video_rc_override_string(const char *arg)
2861 video_rc_override_string = arg;
2864 static int opt_me_threshold(const char *opt, const char *arg)
2866 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2870 static int opt_verbose(const char *opt, const char *arg)
2872 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2876 static int opt_frame_rate(const char *opt, const char *arg)
2878 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2879 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2885 static int opt_bitrate(const char *opt, const char *arg)
2887 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2889 opt_default(opt, arg);
2891 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2892 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2897 static int opt_frame_crop(const char *opt, const char *arg)
2899 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2900 return AVERROR(EINVAL);
2903 static void opt_frame_size(const char *arg)
2905 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2906 fprintf(stderr, "Incorrect frame size\n");
2911 static int opt_pad(const char *opt, const char *arg) {
2912 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2916 static void opt_frame_pix_fmt(const char *arg)
2918 if (strcmp(arg, "list")) {
2919 frame_pix_fmt = av_get_pix_fmt(arg);
2920 if (frame_pix_fmt == PIX_FMT_NONE) {
2921 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2930 static void opt_frame_aspect_ratio(const char *arg)
2937 p = strchr(arg, ':');
2939 x = strtol(arg, &end, 10);
2941 y = strtol(end+1, &end, 10);
2943 ar = (double)x / (double)y;
2945 ar = strtod(arg, NULL);
2948 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2951 frame_aspect_ratio = ar;
2954 static int opt_metadata(const char *opt, const char *arg)
2956 char *mid= strchr(arg, '=');
2959 fprintf(stderr, "Missing =\n");
2964 av_metadata_set2(&metadata, arg, mid, 0);
2969 static int opt_qscale(const char *opt, const char *arg)
2971 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2972 if (video_qscale <= 0 || video_qscale > 255) {
2973 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2974 return AVERROR(EINVAL);
2979 static int opt_top_field_first(const char *opt, const char *arg)
2981 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2982 opt_default(opt, arg);
2986 static int opt_thread_count(const char *opt, const char *arg)
2988 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2991 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2996 static void opt_audio_sample_fmt(const char *arg)
2998 if (strcmp(arg, "list")) {
2999 audio_sample_fmt = av_get_sample_fmt(arg);
3000 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
3001 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
3007 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
3008 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
3013 static int opt_audio_rate(const char *opt, const char *arg)
3015 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3019 static int opt_audio_channels(const char *opt, const char *arg)
3021 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3025 static int opt_video_channel(const char *opt, const char *arg)
3027 video_channel = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
3031 static void opt_video_standard(const char *arg)
3033 video_standard = av_strdup(arg);
3036 static void opt_codec(int *pstream_copy, char **pcodec_name,
3037 int codec_type, const char *arg)
3039 av_freep(pcodec_name);
3040 if (!strcmp(arg, "copy")) {
3043 *pcodec_name = av_strdup(arg);
3047 static void opt_audio_codec(const char *arg)
3049 opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
3052 static void opt_video_codec(const char *arg)
3054 opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
3057 static void opt_subtitle_codec(const char *arg)
3059 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
3062 static void opt_data_codec(const char *arg)
3064 opt_codec(&data_stream_copy, &data_codec_name, AVMEDIA_TYPE_DATA, arg);
3067 static int opt_codec_tag(const char *opt, const char *arg)
3070 uint32_t *codec_tag;
3072 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
3073 !strcmp(opt, "vtag") ? &video_codec_tag :
3074 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
3078 *codec_tag = strtol(arg, &tail, 0);
3080 *codec_tag = AV_RL32(arg);
3085 static void opt_map(const char *arg)
3090 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
3091 m = &stream_maps[nb_stream_maps-1];
3093 m->file_index = strtol(arg, &p, 0);
3097 m->stream_index = strtol(p, &p, 0);
3100 m->sync_file_index = strtol(p, &p, 0);
3103 m->sync_stream_index = strtol(p, &p, 0);
3105 m->sync_file_index = m->file_index;
3106 m->sync_stream_index = m->stream_index;
3110 static void parse_meta_type(char *arg, char *type, int *index, char **endptr)
3121 *index = strtol(++arg, endptr, 0);
3124 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
3131 static void opt_map_metadata(const char *arg)
3133 AVMetaDataMap *m, *m1;
3136 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
3137 &nb_meta_data_maps, nb_meta_data_maps + 1);
3139 m = &meta_data_maps[nb_meta_data_maps - 1][0];
3140 m->file = strtol(arg, &p, 0);
3141 parse_meta_type(p, &m->type, &m->index, &p);
3145 m1 = &meta_data_maps[nb_meta_data_maps - 1][1];
3146 m1->file = strtol(p, &p, 0);
3147 parse_meta_type(p, &m1->type, &m1->index, &p);
3149 if (m->type == 'g' || m1->type == 'g')
3150 metadata_global_autocopy = 0;
3151 if (m->type == 's' || m1->type == 's')
3152 metadata_streams_autocopy = 0;
3153 if (m->type == 'c' || m1->type == 'c')
3154 metadata_chapters_autocopy = 0;
3157 static void opt_map_meta_data(const char *arg)
3159 fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
3160 "Use -map_metadata instead.\n");
3161 opt_map_metadata(arg);
3164 static void opt_map_chapters(const char *arg)
3169 chapter_maps = grow_array(chapter_maps, sizeof(*chapter_maps), &nb_chapter_maps,
3170 nb_chapter_maps + 1);
3171 c = &chapter_maps[nb_chapter_maps - 1];
3172 c->out_file = strtol(arg, &p, 0);
3176 c->in_file = strtol(p, &p, 0);
3179 static void opt_input_ts_scale(const char *arg)
3181 unsigned int stream;
3185 stream = strtol(arg, &p, 0);
3188 scale= strtod(p, &p);
3190 if(stream >= MAX_STREAMS)
3193 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);
3194 input_files_ts_scale[nb_input_files][stream]= scale;
3197 static int opt_recording_time(const char *opt, const char *arg)
3199 recording_time = parse_time_or_die(opt, arg, 1);
3203 static int opt_start_time(const char *opt, const char *arg)
3205 start_time = parse_time_or_die(opt, arg, 1);
3209 static int opt_recording_timestamp(const char *opt, const char *arg)
3211 recording_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
3215 static int opt_input_ts_offset(const char *opt, const char *arg)
3217 input_ts_offset = parse_time_or_die(opt, arg, 1);
3221 static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
3223 const char *codec_string = encoder ? "encoder" : "decoder";
3227 return CODEC_ID_NONE;
3229 avcodec_find_encoder_by_name(name) :
3230 avcodec_find_decoder_by_name(name);
3232 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
3235 if(codec->type != type) {
3236 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
3239 if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
3240 strict > FF_COMPLIANCE_EXPERIMENTAL) {
3241 fprintf(stderr, "%s '%s' is experimental and might produce bad "
3242 "results.\nAdd '-strict experimental' if you want to use it.\n",
3243 codec_string, codec->name);
3245 avcodec_find_encoder(codec->id) :
3246 avcodec_find_decoder(codec->id);
3247 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
3248 fprintf(stderr, "Or use the non experimental %s '%s'.\n",
3249 codec_string, codec->name);
3255 static void opt_input_file(const char *filename)
3257 AVFormatContext *ic;
3258 AVFormatParameters params, *ap = ¶ms;
3259 AVInputFormat *file_iformat = NULL;
3260 int err, i, ret, rfps, rfps_base;
3263 if (last_asked_format) {
3264 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3265 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3268 last_asked_format = NULL;
3271 if (!strcmp(filename, "-"))
3274 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3275 !strcmp(filename, "/dev/stdin");
3277 /* get default parameters from command line */
3278 ic = avformat_alloc_context();
3280 print_error(filename, AVERROR(ENOMEM));
3284 memset(ap, 0, sizeof(*ap));
3285 ap->prealloced_context = 1;
3286 ap->sample_rate = audio_sample_rate;
3287 ap->channels = audio_channels;
3288 ap->time_base.den = frame_rate.num;
3289 ap->time_base.num = frame_rate.den;
3290 ap->width = frame_width;
3291 ap->height = frame_height;
3292 ap->pix_fmt = frame_pix_fmt;
3293 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
3294 ap->channel = video_channel;
3295 ap->standard = video_standard;
3297 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
3299 ic->video_codec_id =
3300 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
3301 avcodec_opts[AVMEDIA_TYPE_VIDEO ]->strict_std_compliance);
3302 ic->audio_codec_id =
3303 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0,
3304 avcodec_opts[AVMEDIA_TYPE_AUDIO ]->strict_std_compliance);
3305 ic->subtitle_codec_id=
3306 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
3307 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3308 ic->flags |= AVFMT_FLAG_NONBLOCK | AVFMT_FLAG_PRIV_OPT;
3310 /* open the input file with generic libav function */
3311 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
3313 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
3314 err = av_demuxer_open(ic, ap);
3316 avformat_free_context(ic);
3319 print_error(filename, err);
3325 for(i=0; i<ic->nb_streams; i++){
3326 ic->streams[i]->discard= AVDISCARD_ALL;
3328 for(i=0; i<ic->nb_programs; i++){
3329 AVProgram *p= ic->programs[i];
3330 if(p->id != opt_programid){
3331 p->discard = AVDISCARD_ALL;
3334 for(j=0; j<p->nb_stream_indexes; j++){
3335 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3340 fprintf(stderr, "Specified program id not found\n");
3346 ic->loop_input = loop_input;
3348 /* If not enough info to get the stream parameters, we decode the
3349 first frames to get it. (used in mpeg case for example) */
3350 ret = av_find_stream_info(ic);
3351 if (ret < 0 && verbose >= 0) {
3352 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3353 av_close_input_file(ic);
3357 timestamp = start_time;
3358 /* add the stream start time */
3359 if (ic->start_time != AV_NOPTS_VALUE)
3360 timestamp += ic->start_time;
3362 /* if seeking requested, we execute it */
3363 if (start_time != 0) {
3364 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3366 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3367 filename, (double)timestamp / AV_TIME_BASE);
3369 /* reset seek info */
3373 /* update the current parameters so that they match the one of the input stream */
3374 for(i=0;i<ic->nb_streams;i++) {
3375 AVStream *st = ic->streams[i];
3376 AVCodecContext *dec = st->codec;
3377 dec->thread_count = thread_count;
3378 input_codecs = grow_array(input_codecs, sizeof(*input_codecs), &nb_input_codecs, nb_input_codecs + 1);
3379 switch (dec->codec_type) {
3380 case AVMEDIA_TYPE_AUDIO:
3381 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(audio_codec_name);
3382 if(!input_codecs[nb_input_codecs-1])
3383 input_codecs[nb_input_codecs-1] = avcodec_find_decoder(dec->codec_id);
3384 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]);
3385 channel_layout = dec->channel_layout;
3386 audio_channels = dec->channels;
3387 audio_sample_rate = dec->sample_rate;
3388 audio_sample_fmt = dec->sample_fmt;
3390 st->discard= AVDISCARD_ALL;
3391 /* Note that av_find_stream_info can add more streams, and we
3392 * currently have no chance of setting up lowres decoding
3393 * early enough for them. */
3395 audio_sample_rate >>= dec->lowres;
3397 case AVMEDIA_TYPE_VIDEO:
3398 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(video_codec_name);
3399 if(!input_codecs[nb_input_codecs-1])
3400 input_codecs[nb_input_codecs-1] = avcodec_find_decoder(dec->codec_id);
3401 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]);
3402 frame_height = dec->height;
3403 frame_width = dec->width;
3404 frame_pix_fmt = dec->pix_fmt;
3405 rfps = ic->streams[i]->r_frame_rate.num;
3406 rfps_base = ic->streams[i]->r_frame_rate.den;
3408 dec->flags |= CODEC_FLAG_EMU_EDGE;
3409 frame_height >>= dec->lowres;
3410 frame_width >>= dec->lowres;
3411 dec->height = frame_height;
3412 dec->width = frame_width;
3415 dec->debug |= FF_DEBUG_MV;
3417 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3420 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3421 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3423 (float)rfps / rfps_base, rfps, rfps_base);
3425 /* update the current frame rate to match the stream frame rate */
3426 frame_rate.num = rfps;
3427 frame_rate.den = rfps_base;
3430 st->discard= AVDISCARD_ALL;
3431 else if(video_discard)
3432 st->discard= video_discard;
3434 case AVMEDIA_TYPE_DATA:
3436 case AVMEDIA_TYPE_SUBTITLE:
3437 input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(subtitle_codec_name);
3438 if(!input_codecs[nb_input_codecs-1])
3439 input_codecs[nb_input_codecs-1] = avcodec_find_decoder(dec->codec_id);
3440 if(subtitle_disable)
3441 st->discard = AVDISCARD_ALL;
3443 case AVMEDIA_TYPE_ATTACHMENT:
3444 case AVMEDIA_TYPE_UNKNOWN:
3451 input_files[nb_input_files] = ic;
3452 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3453 /* dump the file content */
3455 av_dump_format(ic, nb_input_files, filename, 0);
3460 top_field_first = -1;
3462 av_freep(&video_codec_name);
3463 av_freep(&audio_codec_name);
3464 av_freep(&subtitle_codec_name);
3469 static void check_inputs(int *has_video_ptr,
3471 int *has_subtitle_ptr,
3474 int has_video, has_audio, has_subtitle, has_data, i, j;
3475 AVFormatContext *ic;
3482 for(j=0;j<nb_input_files;j++) {
3483 ic = input_files[j];
3484 for(i=0;i<ic->nb_streams;i++) {
3485 AVCodecContext *enc = ic->streams[i]->codec;
3486 switch(enc->codec_type) {
3487 case AVMEDIA_TYPE_AUDIO:
3490 case AVMEDIA_TYPE_VIDEO:
3493 case AVMEDIA_TYPE_SUBTITLE:
3496 case AVMEDIA_TYPE_DATA:
3497 case AVMEDIA_TYPE_ATTACHMENT:
3498 case AVMEDIA_TYPE_UNKNOWN:
3506 *has_video_ptr = has_video;
3507 *has_audio_ptr = has_audio;
3508 *has_subtitle_ptr = has_subtitle;
3509 *has_data_ptr = has_data;
3512 static void new_video_stream(AVFormatContext *oc, int file_idx)
3515 AVOutputStream *ost;
3516 AVCodecContext *video_enc;
3517 enum CodecID codec_id = CODEC_ID_NONE;
3518 AVCodec *codec= NULL;
3520 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3522 fprintf(stderr, "Could not alloc stream\n");
3525 ost = new_output_stream(oc, file_idx);
3527 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3528 if(!video_stream_copy){
3529 if (video_codec_name) {
3530 codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
3531 avcodec_opts[AVMEDIA_TYPE_VIDEO]->strict_std_compliance);
3532 codec = avcodec_find_encoder_by_name(video_codec_name);
3533 output_codecs[nb_output_codecs-1] = codec;
3535 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
3536 codec = avcodec_find_encoder(codec_id);
3538 ost->frame_aspect_ratio = frame_aspect_ratio;
3539 frame_aspect_ratio = 0;
3541 ost->avfilter = vfilters;
3546 avcodec_get_context_defaults3(st->codec, codec);
3547 ost->bitstream_filters = video_bitstream_filters;
3548 video_bitstream_filters= NULL;
3550 st->codec->thread_count= thread_count;
3552 video_enc = st->codec;
3555 video_enc->codec_tag= video_codec_tag;
3557 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3558 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3559 avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3562 if (video_stream_copy) {
3563 st->stream_copy = 1;
3564 video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
3565 video_enc->sample_aspect_ratio =
3566 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3570 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3572 video_enc->codec_id = codec_id;
3573 set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3575 if (codec && codec->supported_framerates && !force_fps)
3576 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3577 video_enc->time_base.den = fps.num;
3578 video_enc->time_base.num = fps.den;
3580 video_enc->width = frame_width;
3581 video_enc->height = frame_height;
3582 video_enc->pix_fmt = frame_pix_fmt;
3583 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3584 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3586 choose_pixel_fmt(st, codec);
3589 video_enc->gop_size = 0;
3590 if (video_qscale || same_quality) {
3591 video_enc->flags |= CODEC_FLAG_QSCALE;
3592 video_enc->global_quality=
3593 st->quality = FF_QP2LAMBDA * video_qscale;
3597 video_enc->intra_matrix = intra_matrix;
3599 video_enc->inter_matrix = inter_matrix;
3601 p= video_rc_override_string;
3604 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3606 fprintf(stderr, "error parsing rc_override\n");
3609 video_enc->rc_override=
3610 av_realloc(video_enc->rc_override,
3611 sizeof(RcOverride)*(i+1));
3612 video_enc->rc_override[i].start_frame= start;
3613 video_enc->rc_override[i].end_frame = end;
3615 video_enc->rc_override[i].qscale= q;
3616 video_enc->rc_override[i].quality_factor= 1.0;
3619 video_enc->rc_override[i].qscale= 0;
3620 video_enc->rc_override[i].quality_factor= -q/100.0;
3625 video_enc->rc_override_count=i;
3626 if (!video_enc->rc_initial_buffer_occupancy)
3627 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3628 video_enc->me_threshold= me_threshold;
3629 video_enc->intra_dc_precision= intra_dc_precision - 8;
3632 video_enc->flags|= CODEC_FLAG_PSNR;
3637 video_enc->flags |= CODEC_FLAG_PASS1;
3639 video_enc->flags |= CODEC_FLAG_PASS2;
3643 if (forced_key_frames)
3644 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3646 if (video_language) {
3647 av_metadata_set2(&st->metadata, "language", video_language, 0);
3648 av_freep(&video_language);
3651 /* reset some key parameters */
3653 av_freep(&video_codec_name);
3654 av_freep(&forced_key_frames);
3655 video_stream_copy = 0;
3656 frame_pix_fmt = PIX_FMT_NONE;
3659 static void new_audio_stream(AVFormatContext *oc, int file_idx)
3662 AVOutputStream *ost;
3663 AVCodec *codec= NULL;
3664 AVCodecContext *audio_enc;
3665 enum CodecID codec_id = CODEC_ID_NONE;
3667 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3669 fprintf(stderr, "Could not alloc stream\n");
3672 ost = new_output_stream(oc, file_idx);
3674 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3675 if(!audio_stream_copy){
3676 if (audio_codec_name) {
3677 codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
3678 avcodec_opts[AVMEDIA_TYPE_AUDIO]->strict_std_compliance);
3679 codec = avcodec_find_encoder_by_name(audio_codec_name);
3680 output_codecs[nb_output_codecs-1] = codec;
3682 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
3683 codec = avcodec_find_encoder(codec_id);
3687 avcodec_get_context_defaults3(st->codec, codec);
3689 ost->bitstream_filters = audio_bitstream_filters;
3690 audio_bitstream_filters= NULL;
3692 st->codec->thread_count= thread_count;
3694 audio_enc = st->codec;
3695 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3698 audio_enc->codec_tag= audio_codec_tag;
3700 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3701 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3702 avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3704 if (audio_stream_copy) {
3705 st->stream_copy = 1;
3706 audio_enc->channels = audio_channels;
3707 audio_enc->sample_rate = audio_sample_rate;
3709 audio_enc->codec_id = codec_id;
3710 set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3712 if (audio_qscale > QSCALE_NONE) {
3713 audio_enc->flags |= CODEC_FLAG_QSCALE;
3714 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3716 audio_enc->channels = audio_channels;
3717 audio_enc->sample_fmt = audio_sample_fmt;
3718 audio_enc->sample_rate = audio_sample_rate;
3719 audio_enc->channel_layout = channel_layout;
3720 if (av_get_channel_layout_nb_channels(channel_layout) != audio_channels)
3721 audio_enc->channel_layout = 0;
3722 choose_sample_fmt(st, codec);
3723 choose_sample_rate(st, codec);
3725 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3726 if (audio_language) {
3727 av_metadata_set2(&st->metadata, "language", audio_language, 0);
3728 av_freep(&audio_language);
3731 /* reset some key parameters */
3733 av_freep(&audio_codec_name);
3734 audio_stream_copy = 0;
3737 static void new_data_stream(AVFormatContext *oc, int file_idx)
3740 AVOutputStream *ost;
3741 AVCodec *codec=NULL;
3742 AVCodecContext *data_enc;
3744 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3746 fprintf(stderr, "Could not alloc stream\n");
3749 ost = new_output_stream(oc, file_idx);
3750 data_enc = st->codec;
3751 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3752 if (!data_stream_copy) {
3753 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3756 avcodec_get_context_defaults3(st->codec, codec);
3758 data_enc->codec_type = AVMEDIA_TYPE_DATA;
3761 data_enc->codec_tag= data_codec_tag;
3763 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3764 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3765 avcodec_opts[AVMEDIA_TYPE_DATA]->flags |= CODEC_FLAG_GLOBAL_HEADER;
3767 if (data_stream_copy) {
3768 st->stream_copy = 1;
3772 av_freep(&data_codec_name);
3773 data_stream_copy = 0;
3776 static void new_subtitle_stream(AVFormatContext *oc, int file_idx)
3779 AVOutputStream *ost;
3780 AVCodec *codec=NULL;
3781 AVCodecContext *subtitle_enc;
3782 enum CodecID codec_id = CODEC_ID_NONE;
3784 st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3786 fprintf(stderr, "Could not alloc stream\n");
3789 ost = new_output_stream(oc, file_idx);
3790 subtitle_enc = st->codec;
3791 output_codecs = grow_array(output_codecs, sizeof(*output_codecs), &nb_output_codecs, nb_output_codecs + 1);
3792 if(!subtitle_stream_copy){
3793 if (subtitle_codec_name) {
3794 codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
3795 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
3796 codec= output_codecs[nb_output_codecs-1] = avcodec_find_encoder_by_name(subtitle_codec_name);
3798 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_SUBTITLE);
3799 codec = avcodec_find_encoder(codec_id);
3802 avcodec_get_context_defaults3(st->codec, codec);
3804 ost->bitstream_filters = subtitle_bitstream_filters;
3805 subtitle_bitstream_filters= NULL;
3807 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3809 if(subtitle_codec_tag)
3810 subtitle_enc->codec_tag= subtitle_codec_tag;
3812 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3813 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3814 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->flags |= CODEC_FLAG_GLOBAL_HEADER;
3816 if (subtitle_stream_copy) {
3817 st->stream_copy = 1;
3819 subtitle_enc->codec_id = codec_id;
3820 set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
3823 if (subtitle_language) {
3824 av_metadata_set2(&st->metadata, "language", subtitle_language, 0);
3825 av_freep(&subtitle_language);
3828 subtitle_disable = 0;
3829 av_freep(&subtitle_codec_name);
3830 subtitle_stream_copy = 0;
3833 static int opt_new_stream(const char *opt, const char *arg)
3835 AVFormatContext *oc;
3836 int file_idx = nb_output_files - 1;
3837 if (nb_output_files <= 0) {
3838 fprintf(stderr, "At least one output file must be specified\n");
3841 oc = output_files[file_idx];
3843 if (!strcmp(opt, "newvideo" )) new_video_stream (oc, file_idx);
3844 else if (!strcmp(opt, "newaudio" )) new_audio_stream (oc, file_idx);
3845 else if (!strcmp(opt, "newsubtitle")) new_subtitle_stream(oc, file_idx);
3846 else if (!strcmp(opt, "newdata" )) new_data_stream (oc, file_idx);
3851 /* arg format is "output-stream-index:streamid-value". */
3852 static int opt_streamid(const char *opt, const char *arg)
3858 av_strlcpy(idx_str, arg, sizeof(idx_str));
3859 p = strchr(idx_str, ':');
3862 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3867 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3868 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3869 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3873 static void opt_output_file(const char *filename)
3875 AVFormatContext *oc;
3876 int err, use_video, use_audio, use_subtitle, use_data;
3877 int input_has_video, input_has_audio, input_has_subtitle, input_has_data;
3878 AVFormatParameters params, *ap = ¶ms;
3879 AVOutputFormat *file_oformat;
3881 if (!strcmp(filename, "-"))
3884 err = avformat_alloc_output_context2(&oc, NULL, last_asked_format, filename);
3885 last_asked_format = NULL;
3887 print_error(filename, err);
3890 file_oformat= oc->oformat;
3892 if (!strcmp(file_oformat->name, "ffm") &&
3893 av_strstart(filename, "http:", NULL)) {
3894 /* special case for files sent to ffserver: we get the stream
3895 parameters from ffserver */
3896 int err = read_ffserver_streams(oc, filename);
3898 print_error(filename, err);
3902 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3903 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3904 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3905 use_data = data_stream_copy || data_codec_name; /* XXX once generic data codec will be available add a ->data_codec reference and use it here */
3907 /* disable if no corresponding type found and at least one
3909 if (nb_input_files > 0) {
3910 check_inputs(&input_has_video,
3912 &input_has_subtitle,
3915 if (!input_has_video)
3917 if (!input_has_audio)
3919 if (!input_has_subtitle)
3921 if (!input_has_data)
3925 /* manual disable */
3926 if (audio_disable) use_audio = 0;
3927 if (video_disable) use_video = 0;
3928 if (subtitle_disable) use_subtitle = 0;
3929 if (data_disable) use_data = 0;
3931 if (use_video) new_video_stream(oc, nb_output_files);
3932 if (use_audio) new_audio_stream(oc, nb_output_files);
3933 if (use_subtitle) new_subtitle_stream(oc, nb_output_files);
3934 if (use_data) new_data_stream(oc, nb_output_files);
3936 oc->timestamp = recording_timestamp;
3938 av_metadata_copy(&oc->metadata, metadata, 0);
3939 av_metadata_free(&metadata);
3942 output_files[nb_output_files++] = oc;
3944 /* check filename in case of an image number is expected */
3945 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3946 if (!av_filename_number_test(oc->filename)) {
3947 print_error(oc->filename, AVERROR(EINVAL));
3952 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3953 /* test if it already exists to avoid loosing precious files */
3954 if (!file_overwrite &&
3955 (strchr(filename, ':') == NULL ||
3956 filename[1] == ':' ||
3957 av_strstart(filename, "file:", NULL))) {
3958 if (avio_check(filename, 0) == 0) {
3960 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3962 if (!read_yesno()) {
3963 fprintf(stderr, "Not overwriting - exiting\n");
3968 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3975 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3976 print_error(filename, err);
3981 memset(ap, 0, sizeof(*ap));
3982 if (av_set_parameters(oc, ap) < 0) {
3983 fprintf(stderr, "%s: Invalid encoding parameters\n",
3988 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3989 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3990 oc->loop_output = loop_output;
3992 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM, NULL);
3994 av_freep(&forced_key_frames);
3999 /* same option as mencoder */
4000 static int opt_pass(const char *opt, const char *arg)
4002 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
4006 static int64_t getutime(void)
4009 struct rusage rusage;
4011 getrusage(RUSAGE_SELF, &rusage);
4012 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4013 #elif HAVE_GETPROCESSTIMES
4015 FILETIME c, e, k, u;
4016 proc = GetCurrentProcess();
4017 GetProcessTimes(proc, &c, &e, &k, &u);
4018 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4020 return av_gettime();
4024 static int64_t getmaxrss(void)
4026 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4027 struct rusage rusage;
4028 getrusage(RUSAGE_SELF, &rusage);
4029 return (int64_t)rusage.ru_maxrss * 1024;
4030 #elif HAVE_GETPROCESSMEMORYINFO
4032 PROCESS_MEMORY_COUNTERS memcounters;
4033 proc = GetCurrentProcess();
4034 memcounters.cb = sizeof(memcounters);
4035 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4036 return memcounters.PeakPagefileUsage;
4042 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
4045 const char *p = str;
4052 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
4059 static void opt_inter_matrix(const char *arg)
4061 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
4062 parse_matrix_coeffs(inter_matrix, arg);
4065 static void opt_intra_matrix(const char *arg)
4067 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
4068 parse_matrix_coeffs(intra_matrix, arg);
4071 static void show_usage(void)
4073 printf("Hyper fast Audio and Video encoder\n");
4074 printf("usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...\n");
4078 static void show_help(void)
4081 AVOutputFormat *oformat = NULL;
4083 av_log_set_callback(log_callback_help);
4085 show_help_options(options, "Main options:\n",
4086 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4087 show_help_options(options, "\nAdvanced options:\n",
4088 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4090 show_help_options(options, "\nVideo options:\n",
4091 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4093 show_help_options(options, "\nAdvanced Video options:\n",
4094 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4095 OPT_VIDEO | OPT_EXPERT);
4096 show_help_options(options, "\nAudio options:\n",
4097 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4099 show_help_options(options, "\nAdvanced Audio options:\n",
4100 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4101 OPT_AUDIO | OPT_EXPERT);
4102 show_help_options(options, "\nSubtitle options:\n",
4103 OPT_SUBTITLE | OPT_GRAB,
4105 show_help_options(options, "\nAudio/Video grab options:\n",
4109 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4112 /* individual codec options */
4114 while ((c = av_codec_next(c))) {
4115 if (c->priv_class) {
4116 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4121 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4124 /* individual muxer options */
4125 while ((oformat = av_oformat_next(oformat))) {
4126 if (oformat->priv_class) {
4127 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
4132 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4135 static void opt_target(const char *arg)
4137 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4138 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
4140 if(!strncmp(arg, "pal-", 4)) {
4143 } else if(!strncmp(arg, "ntsc-", 5)) {
4146 } else if(!strncmp(arg, "film-", 5)) {
4151 /* Calculate FR via float to avoid int overflow */
4152 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
4155 } else if((fr == 29970) || (fr == 23976)) {
4158 /* Try to determine PAL/NTSC by peeking in the input files */
4159 if(nb_input_files) {
4161 for(j = 0; j < nb_input_files; j++) {
4162 for(i = 0; i < input_files[j]->nb_streams; i++) {
4163 AVCodecContext *c = input_files[j]->streams[i]->codec;
4164 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4166 fr = c->time_base.den * 1000 / c->time_base.num;
4170 } else if((fr == 29970) || (fr == 23976)) {
4180 if(verbose > 0 && norm != UNKNOWN)
4181 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4184 if(norm == UNKNOWN) {
4185 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4186 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4187 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
4191 if(!strcmp(arg, "vcd")) {
4193 opt_video_codec("mpeg1video");
4194 opt_audio_codec("mp2");
4197 opt_frame_size(norm == PAL ? "352x288" : "352x240");
4198 opt_frame_rate(NULL, frame_rates[norm]);
4199 opt_default("g", norm == PAL ? "15" : "18");
4201 opt_default("b", "1150000");
4202 opt_default("maxrate", "1150000");
4203 opt_default("minrate", "1150000");
4204 opt_default("bufsize", "327680"); // 40*1024*8;
4206 opt_default("ab", "224000");
4207 audio_sample_rate = 44100;
4210 opt_default("packetsize", "2324");
4211 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4213 /* We have to offset the PTS, so that it is consistent with the SCR.
4214 SCR starts at 36000, but the first two packs contain only padding
4215 and the first pack from the other stream, respectively, may also have
4216 been written before.
4217 So the real data starts at SCR 36000+3*1200. */
4218 mux_preload= (36000+3*1200) / 90000.0; //0.44
4219 } else if(!strcmp(arg, "svcd")) {
4221 opt_video_codec("mpeg2video");
4222 opt_audio_codec("mp2");
4225 opt_frame_size(norm == PAL ? "480x576" : "480x480");
4226 opt_frame_rate(NULL, frame_rates[norm]);
4227 opt_default("g", norm == PAL ? "15" : "18");
4229 opt_default("b", "2040000");
4230 opt_default("maxrate", "2516000");
4231 opt_default("minrate", "0"); //1145000;
4232 opt_default("bufsize", "1835008"); //224*1024*8;
4233 opt_default("flags", "+scan_offset");
4236 opt_default("ab", "224000");
4237 audio_sample_rate = 44100;
4239 opt_default("packetsize", "2324");
4241 } else if(!strcmp(arg, "dvd")) {
4243 opt_video_codec("mpeg2video");
4244 opt_audio_codec("ac3");
4247 opt_frame_size(norm == PAL ? "720x576" : "720x480");
4248 opt_frame_rate(NULL, frame_rates[norm]);
4249 opt_default("g", norm == PAL ? "15" : "18");
4251 opt_default("b", "6000000");
4252 opt_default("maxrate", "9000000");
4253 opt_default("minrate", "0"); //1500000;
4254 opt_default("bufsize", "1835008"); //224*1024*8;
4256 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4257 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4259 opt_default("ab", "448000");
4260 audio_sample_rate = 48000;
4262 } else if(!strncmp(arg, "dv", 2)) {
4266 opt_frame_size(norm == PAL ? "720x576" : "720x480");
4267 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
4268 (norm == PAL ? "yuv420p" : "yuv411p"));
4269 opt_frame_rate(NULL, frame_rates[norm]);
4271 audio_sample_rate = 48000;
4275 fprintf(stderr, "Unknown target: %s\n", arg);
4280 static void opt_vstats_file (const char *arg)
4282 av_free (vstats_filename);
4283 vstats_filename=av_strdup (arg);
4286 static void opt_vstats (void)
4289 time_t today2 = time(NULL);
4290 struct tm *today = localtime(&today2);
4292 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4294 opt_vstats_file(filename);
4297 static int opt_bsf(const char *opt, const char *arg)
4299 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4300 AVBitStreamFilterContext **bsfp;
4303 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4307 bsfp= *opt == 'v' ? &video_bitstream_filters :
4308 *opt == 'a' ? &audio_bitstream_filters :
4309 &subtitle_bitstream_filters;
4311 bsfp= &(*bsfp)->next;
4318 static int opt_preset(const char *opt, const char *arg)
4321 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4322 char *codec_name = *opt == 'v' ? video_codec_name :
4323 *opt == 'a' ? audio_codec_name :
4324 subtitle_codec_name;
4326 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4327 fprintf(stderr, "File for preset '%s' not found\n", arg);
4332 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4333 if(line[0] == '#' && !e)
4335 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4337 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
4340 if(!strcmp(tmp, "acodec")){
4341 opt_audio_codec(tmp2);
4342 }else if(!strcmp(tmp, "vcodec")){
4343 opt_video_codec(tmp2);
4344 }else if(!strcmp(tmp, "scodec")){
4345 opt_subtitle_codec(tmp2);
4346 }else if(!strcmp(tmp, "dcodec")){
4347 opt_data_codec(tmp2);
4348 }else if(opt_default(tmp, tmp2) < 0){
4349 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4359 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
4363 static void opt_passlogfile(const char *arg)
4365 pass_logfilename_prefix = arg;
4366 opt_default("passlogfile", arg);
4369 static const OptionDef options[] = {
4371 #include "cmdutils_common_opts.h"
4372 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4373 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4374 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4375 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4376 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile",
4377 "outfile[,metadata]:infile[,metadata]" },
4378 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4379 "outfile[,metadata]:infile[,metadata]" },
4380 { "map_chapters", HAS_ARG | OPT_EXPERT, {(void*)opt_map_chapters}, "set chapters mapping", "outfile:infile" },
4381 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4382 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4383 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4384 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4385 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
4386 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4387 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4388 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4389 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4390 "add timings for benchmarking" },
4391 { "timelimit", OPT_FUNC2 | HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4392 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4393 "dump each input packet" },
4394 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4395 "when dumping packets, also dump the payload" },
4396 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4397 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
4398 { "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)", "" },
4399 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
4400 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4401 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4402 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4403 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4404 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4405 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4406 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4407 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4408 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4409 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4410 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4411 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4414 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4415 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4416 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4417 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4418 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4419 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4420 { "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" },
4421 { "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" },
4422 { "croptop", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4423 { "cropbottom", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4424 { "cropleft", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4425 { "cropright", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4426 { "padtop", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4427 { "padbottom", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4428 { "padleft", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4429 { "padright", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4430 { "padcolor", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4431 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4432 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4433 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4434 { "qscale", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4435 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4436 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4437 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
4438 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
4439 "use same quantizer as source (implies VBR)" },
4440 { "pass", HAS_ARG | OPT_FUNC2 | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4441 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4442 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4443 "deinterlace pictures" },
4444 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4445 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4446 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4448 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4450 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4451 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4452 { "top", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4453 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4454 { "vtag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4455 { "newvideo", OPT_VIDEO | OPT_FUNC2, {(void*)opt_new_stream}, "add a new video stream to the current output stream" },
4456 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4457 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4458 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4459 { "streamid", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4460 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4463 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
4464 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4465 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4466 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4467 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4468 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4469 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4470 { "atag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4471 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4472 { "newaudio", OPT_AUDIO | OPT_FUNC2, {(void*)opt_new_stream}, "add a new audio stream to the current output stream" },
4473 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4474 { "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" },
4476 /* subtitle options */
4477 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4478 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4479 { "newsubtitle", OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_new_stream}, "add a new subtitle stream to the current output stream" },
4480 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4481 { "stag", OPT_FUNC2 | HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4484 { "vc", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
4485 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
4486 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4489 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4490 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4492 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4493 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4494 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4496 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4497 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4498 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4499 { "fpre", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
4500 /* data codec support */
4501 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4503 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4507 int main(int argc, char **argv)
4511 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4513 if(argc>1 && !strcmp(argv[1], "-d")){
4516 av_log_set_callback(log_callback_null);
4521 avcodec_register_all();
4523 avdevice_register_all();
4526 avfilter_register_all();
4531 if(isatty(STDIN_FILENO))
4532 avio_set_interrupt_cb(decode_interrupt_cb);
4541 parse_options(argc, argv, options, opt_output_file);
4543 if(nb_output_files <= 0 && nb_input_files == 0) {
4545 fprintf(stderr, "Use -h to get full help or, even better, run 'man ffmpeg'\n");
4549 /* file converter / grab */
4550 if (nb_output_files <= 0) {
4551 fprintf(stderr, "At least one output file must be specified\n");
4555 if (nb_input_files == 0) {
4556 fprintf(stderr, "At least one input file must be specified\n");
4561 if (transcode(output_files, nb_output_files, input_files, nb_input_files,
4562 stream_maps, nb_stream_maps) < 0)
4564 ti = getutime() - ti;
4566 int maxrss = getmaxrss() / 1024;
4567 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4570 return ffmpeg_exit(0);