3 * Copyright (c) 2000-2011 The libav developers.
5 * This file is part of Libav.
7 * Libav 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 * Libav 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 Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
31 #include "libavformat/avformat.h"
32 #include "libavdevice/avdevice.h"
33 #include "libswscale/swscale.h"
34 #include "libavutil/opt.h"
35 #include "libavcodec/audioconvert.h"
36 #include "libavutil/audioconvert.h"
37 #include "libavutil/parseutils.h"
38 #include "libavutil/samplefmt.h"
39 #include "libavutil/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/dict.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/libm.h"
47 #include "libavformat/os_support.h"
50 # include "libavfilter/avfilter.h"
51 # include "libavfilter/avfiltergraph.h"
52 # include "libavfilter/vsrc_buffer.h"
55 #if HAVE_SYS_RESOURCE_H
56 #include <sys/types.h>
58 #include <sys/resource.h>
59 #elif HAVE_GETPROCESSTIMES
62 #if HAVE_GETPROCESSMEMORYINFO
68 #include <sys/select.h>
75 #include "libavutil/avassert.h"
77 const char program_name[] = "avconv";
78 const int program_birth_year = 2000;
80 /* select an input stream for an output stream */
81 typedef struct StreamMap {
82 int disabled; /** 1 is this mapping is disabled by a negative map */
86 int sync_stream_index;
90 * select an input file for an output file
92 typedef struct MetadataMap {
93 int file; //< file index
94 char type; //< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
95 int index; //< stream/chapter/program number
98 static const OptionDef options[];
100 static const char *last_asked_format = NULL;
101 static AVDictionary *ts_scale;
103 static StreamMap *stream_maps = NULL;
104 static int nb_stream_maps;
106 static AVDictionary *codec_names;
108 /* first item specifies output metadata, second is input */
109 static MetadataMap (*meta_data_maps)[2] = NULL;
110 static int nb_meta_data_maps;
111 static int metadata_global_autocopy = 1;
112 static int metadata_streams_autocopy = 1;
113 static int metadata_chapters_autocopy = 1;
115 static int chapters_input_file = INT_MAX;
117 /* indexed by output file stream index */
118 static int *streamid_map = NULL;
119 static int nb_streamid_map = 0;
121 static int frame_width = 0;
122 static int frame_height = 0;
123 static float frame_aspect_ratio = 0;
124 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
125 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
126 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
127 static AVRational frame_rate;
128 static float video_qscale = 0;
129 static uint16_t *intra_matrix = NULL;
130 static uint16_t *inter_matrix = NULL;
131 static const char *video_rc_override_string=NULL;
132 static int video_disable = 0;
133 static int video_discard = 0;
134 static unsigned int video_codec_tag = 0;
135 static char *video_language = NULL;
136 static int same_quant = 0;
137 static int do_deinterlace = 0;
138 static int top_field_first = -1;
139 static int me_threshold = 0;
140 static int intra_dc_precision = 8;
141 static int qp_hist = 0;
143 static char *vfilters = NULL;
146 static int audio_sample_rate = 0;
147 #define QSCALE_NONE -99999
148 static float audio_qscale = QSCALE_NONE;
149 static int audio_disable = 0;
150 static int audio_channels = 0;
151 static unsigned int audio_codec_tag = 0;
152 static char *audio_language = NULL;
154 static int subtitle_disable = 0;
155 static char *subtitle_language = NULL;
156 static unsigned int subtitle_codec_tag = 0;
158 static int data_disable = 0;
159 static unsigned int data_codec_tag = 0;
161 static float mux_preload= 0.5;
162 static float mux_max_delay= 0.7;
164 static int64_t recording_time = INT64_MAX;
165 static int64_t start_time = 0;
166 static int64_t input_ts_offset = 0;
167 static int file_overwrite = 0;
168 static AVDictionary *metadata;
169 static int do_benchmark = 0;
170 static int do_hex_dump = 0;
171 static int do_pkt_dump = 0;
172 static int do_psnr = 0;
173 static int do_pass = 0;
174 static char *pass_logfilename_prefix = NULL;
175 static int video_sync_method= -1;
176 static int audio_sync_method= 0;
177 static float audio_drift_threshold= 0.1;
178 static int copy_ts= 0;
180 static int opt_shortest = 0;
181 static char *vstats_filename;
182 static FILE *vstats_file;
183 static int opt_programid = 0;
184 static int copy_initial_nonkeyframes = 0;
186 static int rate_emu = 0;
188 static int audio_volume = 256;
190 static int exit_on_error = 0;
191 static int using_stdin = 0;
192 static int verbose = 1;
193 static int thread_count= 1;
194 static int64_t video_size = 0;
195 static int64_t audio_size = 0;
196 static int64_t extra_size = 0;
197 static int nb_frames_dup = 0;
198 static int nb_frames_drop = 0;
199 static int input_sync;
200 static uint64_t limit_filesize = 0;
201 static int force_fps = 0;
202 static char *forced_key_frames = NULL;
204 static float dts_delta_threshold = 10;
206 static uint8_t *audio_buf;
207 static uint8_t *audio_out;
208 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
210 static short *samples;
212 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
213 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
214 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
216 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
218 typedef struct InputStream {
221 int discard; /* true if stream data should be discarded */
222 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
225 int64_t start; /* time when read started */
226 int64_t next_pts; /* synthetic pts for cases where pkt.pts
228 int64_t pts; /* current pts */
229 PtsCorrectionContext pts_ctx;
231 int is_start; /* is 1 at the start and after a discontinuity */
232 int showed_multi_packet_warning;
236 typedef struct InputFile {
237 AVFormatContext *ctx;
238 int eof_reached; /* true if eof reached */
239 int ist_index; /* index of first stream in ist_table */
240 int buffer_size; /* current total buffer size */
244 typedef struct OutputStream {
245 int file_index; /* file index */
246 int index; /* stream index in the output file */
247 int source_index; /* InputStream index */
248 AVStream *st; /* stream in the output file */
249 int encoding_needed; /* true if encoding needed for this stream */
251 /* input pts and corresponding output pts
253 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
254 struct InputStream *sync_ist; /* input stream to sync against */
255 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
256 AVBitStreamFilterContext *bitstream_filters;
261 AVFrame pict_tmp; /* temporary image for resampling */
262 struct SwsContext *img_resample_ctx; /* for image resampling */
265 int resample_pix_fmt;
266 AVRational frame_rate;
268 float frame_aspect_ratio;
270 /* forced key frames */
271 int64_t *forced_kf_pts;
277 ReSampleContext *resample; /* for audio resampling */
278 int resample_sample_fmt;
279 int resample_channels;
280 int resample_sample_rate;
282 AVAudioConvert *reformat_ctx;
283 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
287 AVFilterContext *output_video_filter;
288 AVFilterContext *input_video_filter;
289 AVFilterBufferRef *picref;
291 AVFilterGraph *graph;
296 int is_past_recording_time;
300 typedef struct OutputFile {
301 AVFormatContext *ctx;
303 int ost_index; /* index of the first stream in output_streams */
304 int64_t recording_time; /* desired length of the resulting file in microseconds */
305 int64_t start_time; /* start time in microseconds */
308 static InputStream *input_streams = NULL;
309 static int nb_input_streams = 0;
310 static InputFile *input_files = NULL;
311 static int nb_input_files = 0;
313 static OutputStream *output_streams = NULL;
314 static int nb_output_streams = 0;
315 static OutputFile *output_files = NULL;
316 static int nb_output_files = 0;
320 static int configure_video_filters(InputStream *ist, OutputStream *ost)
322 AVFilterContext *last_filter, *filter;
323 /** filter graph containing all filters including input & output */
324 AVCodecContext *codec = ost->st->codec;
325 AVCodecContext *icodec = ist->st->codec;
326 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
327 AVRational sample_aspect_ratio;
331 ost->graph = avfilter_graph_alloc();
333 if (ist->st->sample_aspect_ratio.num){
334 sample_aspect_ratio = ist->st->sample_aspect_ratio;
336 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
338 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
339 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
340 sample_aspect_ratio.num, sample_aspect_ratio.den);
342 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
343 "src", args, NULL, ost->graph);
346 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
347 "out", NULL, &ffsink_ctx, ost->graph);
350 last_filter = ost->input_video_filter;
352 if (codec->width != icodec->width || codec->height != icodec->height) {
353 snprintf(args, 255, "%d:%d:flags=0x%X",
357 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
358 NULL, args, NULL, ost->graph)) < 0)
360 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
362 last_filter = filter;
365 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
366 ost->graph->scale_sws_opts = av_strdup(args);
369 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
370 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
372 outputs->name = av_strdup("in");
373 outputs->filter_ctx = last_filter;
374 outputs->pad_idx = 0;
375 outputs->next = NULL;
377 inputs->name = av_strdup("out");
378 inputs->filter_ctx = ost->output_video_filter;
382 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
384 av_freep(&ost->avfilter);
386 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
390 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
393 codec->width = ost->output_video_filter->inputs[0]->w;
394 codec->height = ost->output_video_filter->inputs[0]->h;
395 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
396 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
397 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
398 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
402 #endif /* CONFIG_AVFILTER */
404 static void term_exit(void)
406 av_log(NULL, AV_LOG_QUIET, "");
409 static volatile int received_sigterm = 0;
410 static volatile int received_nb_signals = 0;
413 sigterm_handler(int sig)
415 received_sigterm = sig;
416 received_nb_signals++;
420 static void term_init(void)
422 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
423 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
425 signal(SIGXCPU, sigterm_handler);
429 static int decode_interrupt_cb(void)
431 return received_nb_signals > 1;
434 static int exit_program(int ret)
439 for(i=0;i<nb_output_files;i++) {
440 AVFormatContext *s = output_files[i].ctx;
441 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
443 avformat_free_context(s);
444 av_dict_free(&output_files[i].opts);
446 for(i=0;i<nb_input_files;i++) {
447 av_close_input_file(input_files[i].ctx);
449 for (i = 0; i < nb_input_streams; i++)
450 av_dict_free(&input_streams[i].opts);
452 av_free(intra_matrix);
453 av_free(inter_matrix);
457 av_free(vstats_filename);
459 av_free(meta_data_maps);
461 av_freep(&input_streams);
462 av_freep(&input_files);
463 av_freep(&output_streams);
464 av_freep(&output_files);
469 allocated_audio_buf_size= allocated_audio_out_size= 0;
476 if (received_sigterm) {
478 "Received signal %d: terminating.\n",
479 (int) received_sigterm);
483 exit(ret); /* not all OS-es handle main() return value */
487 static void assert_avoptions(AVDictionary *m)
489 AVDictionaryEntry *t;
490 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
491 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
496 static void assert_codec_experimental(AVCodecContext *c, int encoder)
498 const char *codec_string = encoder ? "encoder" : "decoder";
500 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
501 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
502 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
503 "results.\nAdd '-strict experimental' if you want to use it.\n",
504 codec_string, c->codec->name);
505 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
506 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
507 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
508 codec_string, codec->name);
513 /* similar to ff_dynarray_add() and av_fast_realloc() */
514 static void *grow_array(void *array, int elem_size, int *size, int new_size)
516 if (new_size >= INT_MAX / elem_size) {
517 fprintf(stderr, "Array too big.\n");
520 if (*size < new_size) {
521 uint8_t *tmp = av_realloc(array, new_size*elem_size);
523 fprintf(stderr, "Could not alloc buffer.\n");
526 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
533 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
535 if(codec && codec->sample_fmts){
536 const enum AVSampleFormat *p= codec->sample_fmts;
538 if(*p == st->codec->sample_fmt)
542 av_log(NULL, AV_LOG_WARNING,
543 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
544 av_get_sample_fmt_name(st->codec->sample_fmt),
546 av_get_sample_fmt_name(codec->sample_fmts[0]));
547 st->codec->sample_fmt = codec->sample_fmts[0];
553 * Update the requested input sample format based on the output sample format.
554 * This is currently only used to request float output from decoders which
555 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
556 * Ideally this will be removed in the future when decoders do not do format
557 * conversion and only output in their native format.
559 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
562 /* if sample formats match or a decoder sample format has already been
563 requested, just return */
564 if (enc->sample_fmt == dec->sample_fmt ||
565 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
568 /* if decoder supports more than one output format */
569 if (dec_codec && dec_codec->sample_fmts &&
570 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
571 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
572 const enum AVSampleFormat *p;
573 int min_dec = -1, min_inc = -1;
575 /* find a matching sample format in the encoder */
576 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
577 if (*p == enc->sample_fmt) {
578 dec->request_sample_fmt = *p;
580 } else if (*p > enc->sample_fmt) {
581 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
583 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
586 /* if none match, provide the one that matches quality closest */
587 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
588 enc->sample_fmt - min_dec;
592 static void choose_sample_rate(AVStream *st, AVCodec *codec)
594 if(codec && codec->supported_samplerates){
595 const int *p= codec->supported_samplerates;
597 int best_dist=INT_MAX;
599 int dist= abs(st->codec->sample_rate - *p);
600 if(dist < best_dist){
606 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
608 st->codec->sample_rate= best;
612 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
614 if(codec && codec->pix_fmts){
615 const enum PixelFormat *p= codec->pix_fmts;
616 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
617 if(st->codec->codec_id==CODEC_ID_MJPEG){
618 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
619 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
620 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};
624 if(*p == st->codec->pix_fmt)
628 if(st->codec->pix_fmt != PIX_FMT_NONE)
629 av_log(NULL, AV_LOG_WARNING,
630 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
631 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
633 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
634 st->codec->pix_fmt = codec->pix_fmts[0];
640 get_sync_ipts(const OutputStream *ost)
642 const InputStream *ist = ost->sync_ist;
643 OutputFile *of = &output_files[ost->file_index];
644 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
647 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
651 AVPacket new_pkt= *pkt;
652 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
653 &new_pkt.data, &new_pkt.size,
654 pkt->data, pkt->size,
655 pkt->flags & AV_PKT_FLAG_KEY);
658 new_pkt.destruct= av_destruct_packet;
660 fprintf(stderr, "%s failed for stream %d, codec %s",
661 bsfc->filter->name, pkt->stream_index,
662 avctx->codec ? avctx->codec->name : "copy");
672 ret= av_interleaved_write_frame(s, pkt);
674 print_error("av_interleaved_write_frame()", ret);
679 static void do_audio_out(AVFormatContext *s,
682 unsigned char *buf, int size)
685 int64_t audio_out_size, audio_buf_size;
686 int64_t allocated_for_size= size;
688 int size_out, frame_bytes, ret, resample_changed;
689 AVCodecContext *enc= ost->st->codec;
690 AVCodecContext *dec= ist->st->codec;
691 int osize = av_get_bytes_per_sample(enc->sample_fmt);
692 int isize = av_get_bytes_per_sample(dec->sample_fmt);
693 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
696 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
697 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
698 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
699 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
700 audio_buf_size*= osize*enc->channels;
702 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
703 if(coded_bps > 8*osize)
704 audio_out_size= audio_out_size * coded_bps / (8*osize);
705 audio_out_size += FF_MIN_BUFFER_SIZE;
707 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
708 fprintf(stderr, "Buffer sizes too large\n");
712 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
713 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
714 if (!audio_buf || !audio_out){
715 fprintf(stderr, "Out of memory in do_audio_out\n");
719 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
720 ost->audio_resample = 1;
722 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
723 ost->resample_channels != dec->channels ||
724 ost->resample_sample_rate != dec->sample_rate;
726 if ((ost->audio_resample && !ost->resample) || resample_changed) {
727 if (resample_changed) {
728 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",
729 ist->file_index, ist->st->index,
730 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
731 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
732 ost->resample_sample_fmt = dec->sample_fmt;
733 ost->resample_channels = dec->channels;
734 ost->resample_sample_rate = dec->sample_rate;
736 audio_resample_close(ost->resample);
738 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
739 if (audio_sync_method <= 1 &&
740 ost->resample_sample_fmt == enc->sample_fmt &&
741 ost->resample_channels == enc->channels &&
742 ost->resample_sample_rate == enc->sample_rate) {
743 ost->resample = NULL;
744 ost->audio_resample = 0;
745 } else if (ost->audio_resample) {
746 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
747 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
748 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
749 enc->sample_rate, dec->sample_rate,
750 enc->sample_fmt, dec->sample_fmt,
752 if (!ost->resample) {
753 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
754 dec->channels, dec->sample_rate,
755 enc->channels, enc->sample_rate);
761 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
762 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
763 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
764 if (ost->reformat_ctx)
765 av_audio_convert_free(ost->reformat_ctx);
766 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
767 dec->sample_fmt, 1, NULL, 0);
768 if (!ost->reformat_ctx) {
769 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
770 av_get_sample_fmt_name(dec->sample_fmt),
771 av_get_sample_fmt_name(enc->sample_fmt));
774 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
777 if(audio_sync_method){
778 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
779 - av_fifo_size(ost->fifo)/(enc->channels * 2);
780 double idelta= delta*dec->sample_rate / enc->sample_rate;
781 int byte_delta= ((int)idelta)*2*dec->channels;
783 //FIXME resample delay
784 if(fabs(delta) > 50){
785 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
787 byte_delta= FFMAX(byte_delta, -size);
791 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
796 static uint8_t *input_tmp= NULL;
797 input_tmp= av_realloc(input_tmp, byte_delta + size);
799 if(byte_delta > allocated_for_size - size){
800 allocated_for_size= byte_delta + (int64_t)size;
805 memset(input_tmp, 0, byte_delta);
806 memcpy(input_tmp + byte_delta, buf, size);
810 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
812 }else if(audio_sync_method>1){
813 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
814 av_assert0(ost->audio_resample);
816 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
817 // 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));
818 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
822 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
823 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
825 if (ost->audio_resample) {
827 size_out = audio_resample(ost->resample,
828 (short *)buftmp, (short *)buf,
829 size / (dec->channels * isize));
830 size_out = size_out * enc->channels * osize;
836 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
837 const void *ibuf[6]= {buftmp};
838 void *obuf[6]= {audio_buf};
839 int istride[6]= {isize};
840 int ostride[6]= {osize};
841 int len= size_out/istride[0];
842 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
843 printf("av_audio_convert() failed\n");
849 size_out = len*osize;
852 /* now encode as many frames as possible */
853 if (enc->frame_size > 1) {
854 /* output resampled raw samples */
855 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
856 fprintf(stderr, "av_fifo_realloc2() failed\n");
859 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
861 frame_bytes = enc->frame_size * osize * enc->channels;
863 while (av_fifo_size(ost->fifo) >= frame_bytes) {
865 av_init_packet(&pkt);
867 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
869 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
871 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
874 fprintf(stderr, "Audio encoding failed\n");
878 pkt.stream_index= ost->index;
881 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
882 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
883 pkt.flags |= AV_PKT_FLAG_KEY;
884 write_frame(s, &pkt, enc, ost->bitstream_filters);
886 ost->sync_opts += enc->frame_size;
890 av_init_packet(&pkt);
892 ost->sync_opts += size_out / (osize * enc->channels);
894 /* output a pcm frame */
895 /* determine the size of the coded buffer */
898 size_out = size_out*coded_bps/8;
900 if(size_out > audio_out_size){
901 fprintf(stderr, "Internal error, buffer size too small\n");
905 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
906 ret = avcodec_encode_audio(enc, audio_out, size_out,
909 fprintf(stderr, "Audio encoding failed\n");
913 pkt.stream_index= ost->index;
916 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
917 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
918 pkt.flags |= AV_PKT_FLAG_KEY;
919 write_frame(s, &pkt, enc, ost->bitstream_filters);
923 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
927 AVPicture picture_tmp;
930 dec = ist->st->codec;
932 /* deinterlace : must be done before any resize */
933 if (do_deinterlace) {
936 /* create temporary picture */
937 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
938 buf = av_malloc(size);
942 picture2 = &picture_tmp;
943 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
945 if(avpicture_deinterlace(picture2, picture,
946 dec->pix_fmt, dec->width, dec->height) < 0) {
947 /* if error, do not deinterlace */
948 fprintf(stderr, "Deinterlacing failed\n");
957 if (picture != picture2)
958 *picture = *picture2;
962 static void do_subtitle_out(AVFormatContext *s,
968 static uint8_t *subtitle_out = NULL;
969 int subtitle_out_max_size = 1024 * 1024;
970 int subtitle_out_size, nb, i;
974 if (pts == AV_NOPTS_VALUE) {
975 fprintf(stderr, "Subtitle packets must have a pts\n");
981 enc = ost->st->codec;
984 subtitle_out = av_malloc(subtitle_out_max_size);
987 /* Note: DVB subtitle need one packet to draw them and one other
988 packet to clear them */
989 /* XXX: signal it in the codec context ? */
990 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
995 for(i = 0; i < nb; i++) {
996 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
997 // start_display_time is required to be 0
998 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
999 sub->end_display_time -= sub->start_display_time;
1000 sub->start_display_time = 0;
1001 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1002 subtitle_out_max_size, sub);
1003 if (subtitle_out_size < 0) {
1004 fprintf(stderr, "Subtitle encoding failed\n");
1008 av_init_packet(&pkt);
1009 pkt.stream_index = ost->index;
1010 pkt.data = subtitle_out;
1011 pkt.size = subtitle_out_size;
1012 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1013 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1014 /* XXX: the pts correction is handled here. Maybe handling
1015 it in the codec would be better */
1017 pkt.pts += 90 * sub->start_display_time;
1019 pkt.pts += 90 * sub->end_display_time;
1021 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1025 static int bit_buffer_size= 1024*256;
1026 static uint8_t *bit_buffer= NULL;
1028 static void do_video_resample(OutputStream *ost,
1030 AVFrame *in_picture,
1031 AVFrame **out_picture)
1033 int resample_changed = 0;
1034 AVCodecContext *dec = ist->st->codec;
1035 *out_picture = in_picture;
1037 resample_changed = ost->resample_width != dec->width ||
1038 ost->resample_height != dec->height ||
1039 ost->resample_pix_fmt != dec->pix_fmt;
1041 if (resample_changed) {
1042 av_log(NULL, AV_LOG_INFO,
1043 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1044 ist->file_index, ist->st->index,
1045 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1046 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1047 if(!ost->video_resample)
1048 ost->video_resample = 1;
1051 #if !CONFIG_AVFILTER
1052 if (ost->video_resample) {
1053 *out_picture = &ost->pict_tmp;
1054 if (resample_changed) {
1055 /* initialize a new scaler context */
1056 sws_freeContext(ost->img_resample_ctx);
1057 ost->img_resample_ctx = sws_getContext(
1058 ist->st->codec->width,
1059 ist->st->codec->height,
1060 ist->st->codec->pix_fmt,
1061 ost->st->codec->width,
1062 ost->st->codec->height,
1063 ost->st->codec->pix_fmt,
1064 ost->sws_flags, NULL, NULL, NULL);
1065 if (ost->img_resample_ctx == NULL) {
1066 fprintf(stderr, "Cannot get resampling context\n");
1070 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1071 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1074 if (resample_changed) {
1075 avfilter_graph_free(&ost->graph);
1076 if (configure_video_filters(ist, ost)) {
1077 fprintf(stderr, "Error reinitializing filters!\n");
1082 if (resample_changed) {
1083 ost->resample_width = dec->width;
1084 ost->resample_height = dec->height;
1085 ost->resample_pix_fmt = dec->pix_fmt;
1090 static void do_video_out(AVFormatContext *s,
1093 AVFrame *in_picture,
1094 int *frame_size, float quality)
1096 int nb_frames, i, ret, format_video_sync;
1097 AVFrame *final_picture;
1098 AVCodecContext *enc, *dec;
1101 enc = ost->st->codec;
1102 dec = ist->st->codec;
1104 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1106 /* by default, we output a single frame */
1111 format_video_sync = video_sync_method;
1112 if (format_video_sync < 0)
1113 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1115 if (format_video_sync) {
1116 double vdelta = sync_ipts - ost->sync_opts;
1117 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1120 else if (format_video_sync == 2) {
1123 }else if(vdelta>0.6)
1124 ost->sync_opts= lrintf(sync_ipts);
1125 }else if (vdelta > 1.1)
1126 nb_frames = lrintf(vdelta);
1127 //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);
1128 if (nb_frames == 0){
1131 fprintf(stderr, "*** drop!\n");
1132 }else if (nb_frames > 1) {
1133 nb_frames_dup += nb_frames - 1;
1135 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1138 ost->sync_opts= lrintf(sync_ipts);
1140 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1144 do_video_resample(ost, ist, in_picture, &final_picture);
1146 /* duplicates frame if needed */
1147 for(i=0;i<nb_frames;i++) {
1149 av_init_packet(&pkt);
1150 pkt.stream_index= ost->index;
1152 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1153 /* raw pictures are written as AVPicture structure to
1154 avoid any copies. We support temporarily the older
1156 AVFrame* old_frame = enc->coded_frame;
1157 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1158 pkt.data= (uint8_t *)final_picture;
1159 pkt.size= sizeof(AVPicture);
1160 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1161 pkt.flags |= AV_PKT_FLAG_KEY;
1163 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1164 enc->coded_frame = old_frame;
1166 AVFrame big_picture;
1168 big_picture= *final_picture;
1169 /* better than nothing: use input picture interlaced
1171 big_picture.interlaced_frame = in_picture->interlaced_frame;
1172 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1173 if(top_field_first == -1)
1174 big_picture.top_field_first = in_picture->top_field_first;
1176 big_picture.top_field_first = top_field_first;
1179 /* handles same_quant here. This is not correct because it may
1180 not be a global option */
1181 big_picture.quality = quality;
1183 big_picture.pict_type = 0;
1184 // big_picture.pts = AV_NOPTS_VALUE;
1185 big_picture.pts= ost->sync_opts;
1186 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1187 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1188 if (ost->forced_kf_index < ost->forced_kf_count &&
1189 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1190 big_picture.pict_type = AV_PICTURE_TYPE_I;
1191 ost->forced_kf_index++;
1193 ret = avcodec_encode_video(enc,
1194 bit_buffer, bit_buffer_size,
1197 fprintf(stderr, "Video encoding failed\n");
1202 pkt.data= bit_buffer;
1204 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1205 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1206 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1207 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1208 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1210 if(enc->coded_frame->key_frame)
1211 pkt.flags |= AV_PKT_FLAG_KEY;
1212 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1215 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1216 // enc->frame_number-1, ret, enc->pict_type);
1217 /* if two pass, output log */
1218 if (ost->logfile && enc->stats_out) {
1219 fprintf(ost->logfile, "%s", enc->stats_out);
1224 ost->frame_number++;
1228 static double psnr(double d){
1229 return -10.0*log(d)/log(10.0);
1232 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1235 AVCodecContext *enc;
1237 double ti1, bitrate, avg_bitrate;
1239 /* this is executed just the first time do_video_stats is called */
1241 vstats_file = fopen(vstats_filename, "w");
1248 enc = ost->st->codec;
1249 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1250 frame_number = ost->frame_number;
1251 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1252 if (enc->flags&CODEC_FLAG_PSNR)
1253 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1255 fprintf(vstats_file,"f_size= %6d ", frame_size);
1256 /* compute pts value */
1257 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1261 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1262 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1263 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1264 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1265 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1269 static void print_report(OutputFile *output_files,
1270 OutputStream *ost_table, int nb_ostreams,
1271 int is_last_report, int64_t timer_start)
1275 AVFormatContext *oc;
1277 AVCodecContext *enc;
1278 int frame_number, vid, i;
1279 double bitrate, ti1, pts;
1280 static int64_t last_time = -1;
1281 static int qp_histogram[52];
1283 if (!is_last_report) {
1285 /* display the report every 0.5 seconds */
1286 cur_time = av_gettime();
1287 if (last_time == -1) {
1288 last_time = cur_time;
1291 if ((cur_time - last_time) < 500000)
1293 last_time = cur_time;
1297 oc = output_files[0].ctx;
1299 total_size = avio_size(oc->pb);
1300 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1301 total_size= avio_tell(oc->pb);
1306 for(i=0;i<nb_ostreams;i++) {
1308 ost = &ost_table[i];
1309 enc = ost->st->codec;
1310 if (!ost->st->stream_copy && enc->coded_frame)
1311 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1312 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1313 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1315 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1316 float t = (av_gettime()-timer_start) / 1000000.0;
1318 frame_number = ost->frame_number;
1319 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1320 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1322 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1326 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1329 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1331 if (enc->flags&CODEC_FLAG_PSNR){
1333 double error, error_sum=0;
1334 double scale, scale_sum=0;
1335 char type[3]= {'Y','U','V'};
1336 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1339 error= enc->error[j];
1340 scale= enc->width*enc->height*255.0*255.0*frame_number;
1342 error= enc->coded_frame->error[j];
1343 scale= enc->width*enc->height*255.0*255.0;
1348 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1350 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1354 /* compute min output value */
1355 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1356 if ((pts < ti1) && (pts > 0))
1362 if (verbose > 0 || is_last_report) {
1363 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1365 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1366 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1367 (double)total_size / 1024, ti1, bitrate);
1369 if (nb_frames_dup || nb_frames_drop)
1370 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1371 nb_frames_dup, nb_frames_drop);
1374 fprintf(stderr, "%s \r", buf);
1379 if (is_last_report && verbose >= 0){
1380 int64_t raw= audio_size + video_size + extra_size;
1381 fprintf(stderr, "\n");
1382 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1386 100.0*(total_size - raw)/raw
1391 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1393 int fill_char = 0x00;
1394 if (sample_fmt == AV_SAMPLE_FMT_U8)
1396 memset(buf, fill_char, size);
1399 static void flush_encoders(int ist_index, OutputStream *ost_table, int nb_ostreams)
1403 for (i = 0; i < nb_ostreams; i++) {
1404 OutputStream *ost = &ost_table[i];
1405 AVCodecContext *enc = ost->st->codec;
1406 AVFormatContext *os = output_files[ost->file_index].ctx;
1408 if (ost->source_index != ist_index || !ost->encoding_needed)
1411 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1413 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1419 av_init_packet(&pkt);
1420 pkt.stream_index= ost->index;
1422 switch (ost->st->codec->codec_type) {
1423 case AVMEDIA_TYPE_AUDIO:
1424 fifo_bytes = av_fifo_size(ost->fifo);
1426 /* encode any samples remaining in fifo */
1427 if (fifo_bytes > 0) {
1428 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1429 int fs_tmp = enc->frame_size;
1431 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1432 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1433 enc->frame_size = fifo_bytes / (osize * enc->channels);
1435 int frame_bytes = enc->frame_size*osize*enc->channels;
1436 if (allocated_audio_buf_size < frame_bytes)
1438 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1441 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1442 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1443 ost->st->time_base.num, enc->sample_rate);
1444 enc->frame_size = fs_tmp;
1447 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1450 fprintf(stderr, "Audio encoding failed\n");
1454 pkt.flags |= AV_PKT_FLAG_KEY;
1456 case AVMEDIA_TYPE_VIDEO:
1457 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1459 fprintf(stderr, "Video encoding failed\n");
1463 if(enc->coded_frame && enc->coded_frame->key_frame)
1464 pkt.flags |= AV_PKT_FLAG_KEY;
1465 if (ost->logfile && enc->stats_out) {
1466 fprintf(ost->logfile, "%s", enc->stats_out);
1475 pkt.data = bit_buffer;
1477 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1478 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1479 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1484 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1485 static int output_packet(InputStream *ist, int ist_index,
1486 OutputStream *ost_table, int nb_ostreams,
1487 const AVPacket *pkt)
1489 AVFormatContext *os;
1494 void *buffer_to_free = NULL;
1495 static unsigned int samples_size= 0;
1496 AVSubtitle subtitle, *subtitle_to_free;
1497 int64_t pkt_pts = AV_NOPTS_VALUE;
1499 int frame_available;
1504 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1506 if(ist->next_pts == AV_NOPTS_VALUE)
1507 ist->next_pts= ist->pts;
1511 av_init_packet(&avpkt);
1519 if(pkt->dts != AV_NOPTS_VALUE)
1520 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1521 if(pkt->pts != AV_NOPTS_VALUE)
1522 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1524 //while we have more to decode or while the decoder did output something on EOF
1525 while (avpkt.size > 0 || (!pkt && got_output)) {
1526 uint8_t *data_buf, *decoded_data_buf;
1527 int data_size, decoded_data_size;
1529 ist->pts= ist->next_pts;
1531 if(avpkt.size && avpkt.size != pkt->size &&
1532 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1533 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1534 ist->showed_multi_packet_warning=1;
1537 /* decode the packet if needed */
1538 decoded_data_buf = NULL; /* fail safe */
1539 decoded_data_size= 0;
1540 data_buf = avpkt.data;
1541 data_size = avpkt.size;
1542 subtitle_to_free = NULL;
1543 if (ist->decoding_needed) {
1544 switch(ist->st->codec->codec_type) {
1545 case AVMEDIA_TYPE_AUDIO:{
1546 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1547 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1549 samples= av_malloc(samples_size);
1551 decoded_data_size= samples_size;
1552 /* XXX: could avoid copy if PCM 16 bits with same
1553 endianness as CPU */
1554 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1561 got_output = decoded_data_size > 0;
1562 /* Some bug in mpeg audio decoder gives */
1563 /* decoded_data_size < 0, it seems they are overflows */
1565 /* no audio frame */
1568 decoded_data_buf = (uint8_t *)samples;
1569 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1570 (ist->st->codec->sample_rate * ist->st->codec->channels);
1572 case AVMEDIA_TYPE_VIDEO:
1573 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1574 /* XXX: allocate picture correctly */
1575 avcodec_get_frame_defaults(&picture);
1576 avpkt.pts = pkt_pts;
1577 avpkt.dts = ist->pts;
1578 pkt_pts = AV_NOPTS_VALUE;
1580 ret = avcodec_decode_video2(ist->st->codec,
1581 &picture, &got_output, &avpkt);
1582 quality = same_quant ? picture.quality : 0;
1586 /* no picture yet */
1587 goto discard_packet;
1589 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1590 if (ist->st->codec->time_base.num != 0) {
1591 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1592 ist->next_pts += ((int64_t)AV_TIME_BASE *
1593 ist->st->codec->time_base.num * ticks) /
1594 ist->st->codec->time_base.den;
1597 buffer_to_free = NULL;
1598 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1600 case AVMEDIA_TYPE_SUBTITLE:
1601 ret = avcodec_decode_subtitle2(ist->st->codec,
1602 &subtitle, &got_output, &avpkt);
1606 goto discard_packet;
1608 subtitle_to_free = &subtitle;
1615 switch(ist->st->codec->codec_type) {
1616 case AVMEDIA_TYPE_AUDIO:
1617 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1618 ist->st->codec->sample_rate;
1620 case AVMEDIA_TYPE_VIDEO:
1621 if (ist->st->codec->time_base.num != 0) {
1622 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1623 ist->next_pts += ((int64_t)AV_TIME_BASE *
1624 ist->st->codec->time_base.num * ticks) /
1625 ist->st->codec->time_base.den;
1633 // preprocess audio (volume)
1634 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1635 if (audio_volume != 256) {
1638 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1639 int v = ((*volp) * audio_volume + 128) >> 8;
1640 if (v < -32768) v = -32768;
1641 if (v > 32767) v = 32767;
1647 /* frame rate emulation */
1649 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1650 int64_t now = av_gettime() - ist->start;
1654 /* if output time reached then transcode raw format,
1655 encode packets and output them */
1656 for (i = 0; i < nb_ostreams; i++) {
1657 OutputFile *of = &output_files[ost_table[i].file_index];
1660 ost = &ost_table[i];
1661 if (ost->source_index != ist_index)
1664 if (of->start_time && ist->pts < of->start_time)
1667 if (of->recording_time != INT64_MAX &&
1668 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1669 (AVRational){1, 1000000}) >= 0) {
1670 ost->is_past_recording_time = 1;
1675 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1676 ost->input_video_filter) {
1678 if (ist->st->sample_aspect_ratio.num)
1679 sar = ist->st->sample_aspect_ratio;
1681 sar = ist->st->codec->sample_aspect_ratio;
1682 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, ist->pts, sar);
1684 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1685 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1686 while (frame_available) {
1687 AVRational ist_pts_tb;
1688 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1689 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1691 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1693 os = output_files[ost->file_index].ctx;
1695 /* set the input output pts pairs */
1696 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1698 if (ost->encoding_needed) {
1699 av_assert0(ist->decoding_needed);
1700 switch(ost->st->codec->codec_type) {
1701 case AVMEDIA_TYPE_AUDIO:
1702 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1704 case AVMEDIA_TYPE_VIDEO:
1706 if (ost->picref->video && !ost->frame_aspect_ratio)
1707 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1709 do_video_out(os, ost, ist, &picture, &frame_size,
1710 same_quant ? quality : ost->st->codec->global_quality);
1711 if (vstats_filename && frame_size)
1712 do_video_stats(os, ost, frame_size);
1714 case AVMEDIA_TYPE_SUBTITLE:
1715 do_subtitle_out(os, ost, ist, &subtitle,
1722 AVFrame avframe; //FIXME/XXX remove this
1724 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1726 av_init_packet(&opkt);
1728 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1729 #if !CONFIG_AVFILTER
1735 /* no reencoding needed : output the packet directly */
1736 /* force the input stream PTS */
1738 avcodec_get_frame_defaults(&avframe);
1739 ost->st->codec->coded_frame= &avframe;
1740 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1742 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1743 audio_size += data_size;
1744 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1745 video_size += data_size;
1749 opkt.stream_index= ost->index;
1750 if(pkt->pts != AV_NOPTS_VALUE)
1751 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1753 opkt.pts= AV_NOPTS_VALUE;
1755 if (pkt->dts == AV_NOPTS_VALUE)
1756 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1758 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1759 opkt.dts -= ost_tb_start_time;
1761 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1762 opkt.flags= pkt->flags;
1764 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1765 if( ost->st->codec->codec_id != CODEC_ID_H264
1766 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1767 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1769 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1770 opkt.destruct= av_destruct_packet;
1772 opkt.data = data_buf;
1773 opkt.size = data_size;
1776 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1777 ost->st->codec->frame_number++;
1778 ost->frame_number++;
1779 av_free_packet(&opkt);
1783 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1784 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1786 avfilter_unref_buffer(ost->picref);
1791 av_free(buffer_to_free);
1792 /* XXX: allocate the subtitles in the codec ? */
1793 if (subtitle_to_free) {
1794 avsubtitle_free(subtitle_to_free);
1795 subtitle_to_free = NULL;
1801 flush_encoders(ist_index, ost_table, nb_ostreams);
1807 static void print_sdp(OutputFile *output_files, int n)
1811 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1815 for (i = 0; i < n; i++)
1816 avc[i] = output_files[i].ctx;
1818 av_sdp_create(avc, n, sdp, sizeof(sdp));
1819 printf("SDP:\n%s\n", sdp);
1824 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1825 char *error, int error_len)
1828 InputStream *ist = &input_streams[ist_index];
1829 if (ist->decoding_needed) {
1830 AVCodec *codec = ist->dec;
1832 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1834 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
1835 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1836 return AVERROR(EINVAL);
1839 /* update requested sample format for the decoder based on the
1840 corresponding encoder sample format */
1841 for (i = 0; i < nb_output_streams; i++) {
1842 OutputStream *ost = &output_streams[i];
1843 if (ost->source_index == ist_index) {
1844 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1849 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1850 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
1851 ist->file_index, ist->st->index);
1852 return AVERROR(EINVAL);
1854 assert_codec_experimental(ist->st->codec, 0);
1855 assert_avoptions(ist->opts);
1858 ist->pts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames*AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
1859 ist->next_pts = AV_NOPTS_VALUE;
1860 init_pts_correction(&ist->pts_ctx);
1867 * The following code is the main loop of the file converter
1869 static int transcode(OutputFile *output_files,
1870 int nb_output_files,
1871 InputFile *input_files,
1875 AVFormatContext *is, *os;
1876 AVCodecContext *codec, *icodec;
1882 int no_packet_count=0;
1883 int64_t timer_start;
1885 if (!(no_packet = av_mallocz(nb_input_files)))
1889 for (i = 0; i < nb_input_streams; i++)
1890 input_streams[i].start = av_gettime();
1892 /* output stream init */
1893 for(i=0;i<nb_output_files;i++) {
1894 os = output_files[i].ctx;
1895 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1896 av_dump_format(os, i, os->filename, 1);
1897 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1898 ret = AVERROR(EINVAL);
1903 /* for each output stream, we compute the right encoding parameters */
1904 for (i = 0; i < nb_output_streams; i++) {
1905 ost = &output_streams[i];
1906 os = output_files[ost->file_index].ctx;
1907 ist = &input_streams[ost->source_index];
1909 codec = ost->st->codec;
1910 icodec = ist->st->codec;
1912 ost->st->disposition = ist->st->disposition;
1913 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1914 codec->chroma_sample_location = icodec->chroma_sample_location;
1916 if (ost->st->stream_copy) {
1917 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1919 if (extra_size > INT_MAX) {
1920 ret = AVERROR(EINVAL);
1924 /* if stream_copy is selected, no need to decode or encode */
1925 codec->codec_id = icodec->codec_id;
1926 codec->codec_type = icodec->codec_type;
1928 if(!codec->codec_tag){
1929 if( !os->oformat->codec_tag
1930 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1931 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1932 codec->codec_tag = icodec->codec_tag;
1935 codec->bit_rate = icodec->bit_rate;
1936 codec->rc_max_rate = icodec->rc_max_rate;
1937 codec->rc_buffer_size = icodec->rc_buffer_size;
1938 codec->extradata= av_mallocz(extra_size);
1939 if (!codec->extradata) {
1940 ret = AVERROR(ENOMEM);
1943 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1944 codec->extradata_size= icodec->extradata_size;
1945 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){
1946 codec->time_base = icodec->time_base;
1947 codec->time_base.num *= icodec->ticks_per_frame;
1948 av_reduce(&codec->time_base.num, &codec->time_base.den,
1949 codec->time_base.num, codec->time_base.den, INT_MAX);
1951 codec->time_base = ist->st->time_base;
1952 switch(codec->codec_type) {
1953 case AVMEDIA_TYPE_AUDIO:
1954 if(audio_volume != 256) {
1955 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1958 codec->channel_layout = icodec->channel_layout;
1959 codec->sample_rate = icodec->sample_rate;
1960 codec->channels = icodec->channels;
1961 codec->frame_size = icodec->frame_size;
1962 codec->audio_service_type = icodec->audio_service_type;
1963 codec->block_align= icodec->block_align;
1964 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1965 codec->block_align= 0;
1966 if(codec->codec_id == CODEC_ID_AC3)
1967 codec->block_align= 0;
1969 case AVMEDIA_TYPE_VIDEO:
1970 codec->pix_fmt = icodec->pix_fmt;
1971 codec->width = icodec->width;
1972 codec->height = icodec->height;
1973 codec->has_b_frames = icodec->has_b_frames;
1974 if (!codec->sample_aspect_ratio.num) {
1975 codec->sample_aspect_ratio =
1976 ost->st->sample_aspect_ratio =
1977 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1978 ist->st->codec->sample_aspect_ratio.num ?
1979 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1982 case AVMEDIA_TYPE_SUBTITLE:
1983 codec->width = icodec->width;
1984 codec->height = icodec->height;
1986 case AVMEDIA_TYPE_DATA:
1993 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
1994 switch(codec->codec_type) {
1995 case AVMEDIA_TYPE_AUDIO:
1996 ost->fifo= av_fifo_alloc(1024);
1998 ret = AVERROR(ENOMEM);
2001 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2002 if (!codec->sample_rate) {
2003 codec->sample_rate = icodec->sample_rate;
2005 codec->sample_rate >>= icodec->lowres;
2007 choose_sample_rate(ost->st, ost->enc);
2008 codec->time_base = (AVRational){1, codec->sample_rate};
2009 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2010 codec->sample_fmt = icodec->sample_fmt;
2011 choose_sample_fmt(ost->st, ost->enc);
2012 if (!codec->channels)
2013 codec->channels = icodec->channels;
2014 codec->channel_layout = icodec->channel_layout;
2015 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2016 codec->channel_layout = 0;
2017 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2018 icodec->request_channels = codec->channels;
2019 ist->decoding_needed = 1;
2020 ost->encoding_needed = 1;
2021 ost->resample_sample_fmt = icodec->sample_fmt;
2022 ost->resample_sample_rate = icodec->sample_rate;
2023 ost->resample_channels = icodec->channels;
2025 case AVMEDIA_TYPE_VIDEO:
2026 if (codec->pix_fmt == PIX_FMT_NONE)
2027 codec->pix_fmt = icodec->pix_fmt;
2028 choose_pixel_fmt(ost->st, ost->enc);
2030 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2031 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2035 if (!codec->width || !codec->height) {
2036 codec->width = icodec->width;
2037 codec->height = icodec->height;
2040 ost->video_resample = codec->width != icodec->width ||
2041 codec->height != icodec->height ||
2042 codec->pix_fmt != icodec->pix_fmt;
2043 if (ost->video_resample) {
2044 #if !CONFIG_AVFILTER
2045 avcodec_get_frame_defaults(&ost->pict_tmp);
2046 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2047 codec->width, codec->height)) {
2048 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2051 ost->img_resample_ctx = sws_getContext(
2058 ost->sws_flags, NULL, NULL, NULL);
2059 if (ost->img_resample_ctx == NULL) {
2060 fprintf(stderr, "Cannot get resampling context\n");
2064 codec->bits_per_raw_sample= 0;
2067 ost->resample_height = icodec->height;
2068 ost->resample_width = icodec->width;
2069 ost->resample_pix_fmt= icodec->pix_fmt;
2070 ost->encoding_needed = 1;
2071 ist->decoding_needed = 1;
2073 if (!ost->frame_rate.num)
2074 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2075 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2076 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2077 ost->frame_rate = ost->enc->supported_framerates[idx];
2079 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2082 if (configure_video_filters(ist, ost)) {
2083 fprintf(stderr, "Error opening filters!\n");
2088 case AVMEDIA_TYPE_SUBTITLE:
2089 ost->encoding_needed = 1;
2090 ist->decoding_needed = 1;
2097 if (ost->encoding_needed &&
2098 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2099 char logfilename[1024];
2102 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2103 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2105 if (codec->flags & CODEC_FLAG_PASS1) {
2106 f = fopen(logfilename, "wb");
2108 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2114 size_t logbuffer_size;
2115 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2116 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2119 codec->stats_in = logbuffer;
2123 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2124 int size= codec->width * codec->height;
2125 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2130 bit_buffer = av_malloc(bit_buffer_size);
2132 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2134 ret = AVERROR(ENOMEM);
2138 /* open each encoder */
2139 for (i = 0; i < nb_output_streams; i++) {
2140 ost = &output_streams[i];
2141 if (ost->encoding_needed) {
2142 AVCodec *codec = ost->enc;
2143 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2145 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2146 ost->st->codec->codec_id, ost->file_index, ost->index);
2147 ret = AVERROR(EINVAL);
2150 if (dec->subtitle_header) {
2151 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2152 if (!ost->st->codec->subtitle_header) {
2153 ret = AVERROR(ENOMEM);
2156 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2157 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2159 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2160 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2161 ost->file_index, ost->index);
2162 ret = AVERROR(EINVAL);
2165 assert_codec_experimental(ost->st->codec, 1);
2166 assert_avoptions(ost->opts);
2167 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2168 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2169 "It takes bits/s as argument, not kbits/s\n");
2170 extra_size += ost->st->codec->extradata_size;
2174 /* init input streams */
2175 for (i = 0; i < nb_input_streams; i++)
2176 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error)) < 0))
2179 /* open files and write file headers */
2180 for (i = 0; i < nb_output_files; i++) {
2181 os = output_files[i].ctx;
2182 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2183 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2184 ret = AVERROR(EINVAL);
2187 assert_avoptions(output_files[i].opts);
2188 if (strcmp(os->oformat->name, "rtp")) {
2194 /* dump the file output parameters - cannot be done before in case
2196 for(i=0;i<nb_output_files;i++) {
2197 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2200 /* dump the stream mapping */
2202 fprintf(stderr, "Stream mapping:\n");
2203 for (i = 0; i < nb_output_streams;i ++) {
2204 ost = &output_streams[i];
2205 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2206 input_streams[ost->source_index].file_index,
2207 input_streams[ost->source_index].st->index,
2210 if (ost->sync_ist != &input_streams[ost->source_index])
2211 fprintf(stderr, " [sync #%d.%d]",
2212 ost->sync_ist->file_index,
2213 ost->sync_ist->st->index);
2214 if (ost->st->stream_copy)
2215 fprintf(stderr, " (copy)");
2216 fprintf(stderr, "\n");
2221 fprintf(stderr, "%s\n", error);
2226 print_sdp(output_files, nb_output_files);
2230 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2233 timer_start = av_gettime();
2235 for(; received_sigterm == 0;) {
2236 int file_index, ist_index;
2242 ipts_min = INT64_MAX;
2245 /* select the stream that we must read now by looking at the
2246 smallest output pts */
2248 for (i = 0; i < nb_output_streams; i++) {
2251 ost = &output_streams[i];
2252 os = output_files[ost->file_index].ctx;
2253 ist = &input_streams[ost->source_index];
2254 if(ost->is_past_recording_time || no_packet[ist->file_index])
2256 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2258 if (!input_files[ist->file_index].eof_reached){
2259 if(ipts < ipts_min) {
2261 if(input_sync ) file_index = ist->file_index;
2263 if(opts < opts_min) {
2265 if(!input_sync) file_index = ist->file_index;
2268 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2273 /* if none, if is finished */
2274 if (file_index < 0) {
2275 if(no_packet_count){
2277 memset(no_packet, 0, nb_input_files);
2284 /* finish if limit size exhausted */
2285 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0].ctx->pb))
2288 /* read a frame from it and output it in the fifo */
2289 is = input_files[file_index].ctx;
2290 ret= av_read_frame(is, &pkt);
2291 if(ret == AVERROR(EAGAIN)){
2292 no_packet[file_index]=1;
2297 input_files[file_index].eof_reached = 1;
2305 memset(no_packet, 0, nb_input_files);
2308 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2309 is->streams[pkt.stream_index]);
2311 /* the following test is needed in case new streams appear
2312 dynamically in stream : we ignore them */
2313 if (pkt.stream_index >= input_files[file_index].ctx->nb_streams)
2314 goto discard_packet;
2315 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2316 ist = &input_streams[ist_index];
2318 goto discard_packet;
2320 if (pkt.dts != AV_NOPTS_VALUE)
2321 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2322 if (pkt.pts != AV_NOPTS_VALUE)
2323 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2325 if (ist->ts_scale) {
2326 if(pkt.pts != AV_NOPTS_VALUE)
2327 pkt.pts *= ist->ts_scale;
2328 if(pkt.dts != AV_NOPTS_VALUE)
2329 pkt.dts *= ist->ts_scale;
2332 // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files[ist->file_index].ts_offset, ist->st->codec->codec_type);
2333 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2334 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2335 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2336 int64_t delta= pkt_dts - ist->next_pts;
2337 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2338 input_files[ist->file_index].ts_offset -= delta;
2340 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2341 delta, input_files[ist->file_index].ts_offset);
2342 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2343 if(pkt.pts != AV_NOPTS_VALUE)
2344 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2348 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2349 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2352 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2353 ist->file_index, ist->st->index);
2356 av_free_packet(&pkt);
2361 av_free_packet(&pkt);
2363 /* dump report by using the output first video and audio streams */
2364 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2367 /* at the end of stream, we must flush the decoder buffers */
2368 for (i = 0; i < nb_input_streams; i++) {
2369 ist = &input_streams[i];
2370 if (ist->decoding_needed) {
2371 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2377 /* write the trailer if needed and close file */
2378 for(i=0;i<nb_output_files;i++) {
2379 os = output_files[i].ctx;
2380 av_write_trailer(os);
2383 /* dump report by using the first video and audio streams */
2384 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2386 /* close each encoder */
2387 for (i = 0; i < nb_output_streams; i++) {
2388 ost = &output_streams[i];
2389 if (ost->encoding_needed) {
2390 av_freep(&ost->st->codec->stats_in);
2391 avcodec_close(ost->st->codec);
2394 avfilter_graph_free(&ost->graph);
2398 /* close each decoder */
2399 for (i = 0; i < nb_input_streams; i++) {
2400 ist = &input_streams[i];
2401 if (ist->decoding_needed) {
2402 avcodec_close(ist->st->codec);
2410 av_freep(&bit_buffer);
2411 av_freep(&no_packet);
2413 if (output_streams) {
2414 for (i = 0; i < nb_output_streams; i++) {
2415 ost = &output_streams[i];
2417 if (ost->st->stream_copy)
2418 av_freep(&ost->st->codec->extradata);
2420 fclose(ost->logfile);
2421 ost->logfile = NULL;
2423 av_fifo_free(ost->fifo); /* works even if fifo is not
2424 initialized but set to zero */
2425 av_freep(&ost->st->codec->subtitle_header);
2426 av_free(ost->pict_tmp.data[0]);
2427 av_free(ost->forced_kf_pts);
2428 if (ost->video_resample)
2429 sws_freeContext(ost->img_resample_ctx);
2431 audio_resample_close(ost->resample);
2432 if (ost->reformat_ctx)
2433 av_audio_convert_free(ost->reformat_ctx);
2434 av_dict_free(&ost->opts);
2441 static int opt_format(const char *opt, const char *arg)
2443 last_asked_format = arg;
2447 static int opt_video_rc_override_string(const char *opt, const char *arg)
2449 video_rc_override_string = arg;
2453 static int opt_me_threshold(const char *opt, const char *arg)
2455 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2459 static int opt_verbose(const char *opt, const char *arg)
2461 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2465 static int opt_frame_rate(const char *opt, const char *arg)
2467 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2468 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2474 static int opt_frame_crop(const char *opt, const char *arg)
2476 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2477 return AVERROR(EINVAL);
2480 static int opt_frame_size(const char *opt, const char *arg)
2482 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2483 fprintf(stderr, "Incorrect frame size\n");
2484 return AVERROR(EINVAL);
2489 static int opt_pad(const char *opt, const char *arg) {
2490 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2494 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2496 if (strcmp(arg, "list")) {
2497 frame_pix_fmt = av_get_pix_fmt(arg);
2498 if (frame_pix_fmt == PIX_FMT_NONE) {
2499 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2500 return AVERROR(EINVAL);
2509 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2516 p = strchr(arg, ':');
2518 x = strtol(arg, &end, 10);
2520 y = strtol(end+1, &end, 10);
2522 ar = (double)x / (double)y;
2524 ar = strtod(arg, NULL);
2527 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2528 return AVERROR(EINVAL);
2530 frame_aspect_ratio = ar;
2534 static int opt_metadata(const char *opt, const char *arg)
2536 char *mid= strchr(arg, '=');
2539 fprintf(stderr, "Missing =\n");
2544 av_dict_set(&metadata, arg, mid, 0);
2549 static int opt_qscale(const char *opt, const char *arg)
2551 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2552 if (video_qscale == 0) {
2553 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2554 return AVERROR(EINVAL);
2559 static int opt_top_field_first(const char *opt, const char *arg)
2561 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2565 static int opt_thread_count(const char *opt, const char *arg)
2567 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2570 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2575 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2577 if (strcmp(arg, "list")) {
2578 audio_sample_fmt = av_get_sample_fmt(arg);
2579 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2580 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2581 return AVERROR(EINVAL);
2586 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2587 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2593 static int opt_audio_rate(const char *opt, const char *arg)
2595 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2599 static int opt_audio_channels(const char *opt, const char *arg)
2601 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2605 static int opt_codec(const char *opt, const char *arg)
2607 return av_dict_set(&codec_names, opt, arg, 0);
2610 static int opt_audio_codec(const char *opt, const char *arg)
2612 return opt_codec("codec:a", arg);
2615 static int opt_video_codec(const char *opt, const char *arg)
2617 return opt_codec("codec:v", arg);
2620 static int opt_subtitle_codec(const char *opt, const char *arg)
2622 return opt_codec("codec:s", arg);
2625 static int opt_data_codec(const char *opt, const char *arg)
2627 return opt_codec("codec:d", arg);
2630 static int opt_codec_tag(const char *opt, const char *arg)
2633 uint32_t *codec_tag;
2635 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2636 !strcmp(opt, "vtag") ? &video_codec_tag :
2637 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2641 *codec_tag = strtol(arg, &tail, 0);
2643 *codec_tag = AV_RL32(arg);
2648 static int opt_map(const char *opt, const char *arg)
2650 StreamMap *m = NULL;
2651 int i, negative = 0, file_idx;
2652 int sync_file_idx = -1, sync_stream_idx;
2660 map = av_strdup(arg);
2662 /* parse sync stream first, just pick first matching stream */
2663 if (sync = strchr(map, ',')) {
2665 sync_file_idx = strtol(sync + 1, &sync, 0);
2666 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2667 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2672 for (i = 0; i < input_files[sync_file_idx].ctx->nb_streams; i++)
2673 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2674 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2675 sync_stream_idx = i;
2678 if (i == input_files[sync_file_idx].ctx->nb_streams) {
2679 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2680 "match any streams.\n", arg);
2686 file_idx = strtol(map, &p, 0);
2687 if (file_idx >= nb_input_files || file_idx < 0) {
2688 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2692 /* disable some already defined maps */
2693 for (i = 0; i < nb_stream_maps; i++) {
2694 m = &stream_maps[i];
2695 if (check_stream_specifier(input_files[m->file_index].ctx,
2696 input_files[m->file_index].ctx->streams[m->stream_index],
2697 *p == ':' ? p + 1 : p) > 0)
2701 for (i = 0; i < input_files[file_idx].ctx->nb_streams; i++) {
2702 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2703 *p == ':' ? p + 1 : p) <= 0)
2705 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2706 m = &stream_maps[nb_stream_maps - 1];
2708 m->file_index = file_idx;
2709 m->stream_index = i;
2711 if (sync_file_idx >= 0) {
2712 m->sync_file_index = sync_file_idx;
2713 m->sync_stream_index = sync_stream_idx;
2715 m->sync_file_index = file_idx;
2716 m->sync_stream_index = i;
2721 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2729 static void parse_meta_type(char *arg, char *type, int *index)
2739 if (*(++arg) == ':')
2740 *index = strtol(++arg, NULL, 0);
2743 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2750 static int opt_map_metadata(const char *opt, const char *arg)
2752 MetadataMap *m, *m1;
2755 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2756 &nb_meta_data_maps, nb_meta_data_maps + 1);
2758 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2759 m->file = strtol(arg, &p, 0);
2760 parse_meta_type(p, &m->type, &m->index);
2762 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2763 if (p = strchr(opt, ':'))
2764 parse_meta_type(p, &m1->type, &m1->index);
2768 if (m->type == 'g' || m1->type == 'g')
2769 metadata_global_autocopy = 0;
2770 if (m->type == 's' || m1->type == 's')
2771 metadata_streams_autocopy = 0;
2772 if (m->type == 'c' || m1->type == 'c')
2773 metadata_chapters_autocopy = 0;
2778 static int opt_input_ts_scale(const char *opt, const char *arg)
2780 return av_dict_set(&ts_scale, opt, arg, 0);
2783 static int opt_recording_time(const char *opt, const char *arg)
2785 recording_time = parse_time_or_die(opt, arg, 1);
2789 static int opt_start_time(const char *opt, const char *arg)
2791 start_time = parse_time_or_die(opt, arg, 1);
2795 static int opt_input_ts_offset(const char *opt, const char *arg)
2797 input_ts_offset = parse_time_or_die(opt, arg, 1);
2801 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2803 const char *codec_string = encoder ? "encoder" : "decoder";
2807 return CODEC_ID_NONE;
2809 avcodec_find_encoder_by_name(name) :
2810 avcodec_find_decoder_by_name(name);
2812 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2815 if(codec->type != type) {
2816 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2822 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
2824 AVDictionaryEntry *e = NULL;
2825 char *codec_name = NULL;
2828 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
2829 char *p = strchr(e->key, ':');
2831 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
2832 codec_name = e->value;
2839 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2840 return avcodec_find_encoder(st->codec->codec_id);
2842 } else if (!strcmp(codec_name, "copy"))
2843 st->stream_copy = 1;
2845 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2846 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2847 avcodec_find_decoder_by_name(codec_name);
2854 * Add all the streams from the given input file to the global
2855 * list of input streams.
2857 static void add_input_streams(AVFormatContext *ic)
2859 int i, rfps, rfps_base, ret;
2861 for (i = 0; i < ic->nb_streams; i++) {
2862 AVStream *st = ic->streams[i];
2863 AVCodecContext *dec = st->codec;
2864 AVDictionaryEntry *e = NULL;
2868 dec->thread_count = thread_count;
2870 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2871 ist = &input_streams[nb_input_streams - 1];
2873 ist->file_index = nb_input_files;
2875 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2877 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
2878 char *p = strchr(e->key, ':');
2880 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
2886 ist->ts_scale = strtod(scale, NULL);
2888 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
2890 switch (dec->codec_type) {
2891 case AVMEDIA_TYPE_AUDIO:
2893 st->discard= AVDISCARD_ALL;
2895 case AVMEDIA_TYPE_VIDEO:
2896 rfps = ic->streams[i]->r_frame_rate.num;
2897 rfps_base = ic->streams[i]->r_frame_rate.den;
2899 dec->flags |= CODEC_FLAG_EMU_EDGE;
2900 dec->height >>= dec->lowres;
2901 dec->width >>= dec->lowres;
2904 dec->debug |= FF_DEBUG_MV;
2906 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2909 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2910 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2912 (float)rfps / rfps_base, rfps, rfps_base);
2916 st->discard= AVDISCARD_ALL;
2917 else if(video_discard)
2918 st->discard= video_discard;
2920 case AVMEDIA_TYPE_DATA:
2922 case AVMEDIA_TYPE_SUBTITLE:
2923 if(subtitle_disable)
2924 st->discard = AVDISCARD_ALL;
2926 case AVMEDIA_TYPE_ATTACHMENT:
2927 case AVMEDIA_TYPE_UNKNOWN:
2935 static int opt_input_file(const char *opt, const char *filename)
2937 AVFormatContext *ic;
2938 AVInputFormat *file_iformat = NULL;
2942 AVDictionary **opts;
2943 int orig_nb_streams; // number of streams before avformat_find_stream_info
2945 if (last_asked_format) {
2946 if (!(file_iformat = av_find_input_format(last_asked_format))) {
2947 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
2950 last_asked_format = NULL;
2953 if (!strcmp(filename, "-"))
2956 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2957 !strcmp(filename, "/dev/stdin");
2959 /* get default parameters from command line */
2960 ic = avformat_alloc_context();
2962 print_error(filename, AVERROR(ENOMEM));
2965 if (audio_sample_rate) {
2966 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
2967 av_dict_set(&format_opts, "sample_rate", buf, 0);
2969 if (audio_channels) {
2970 snprintf(buf, sizeof(buf), "%d", audio_channels);
2971 av_dict_set(&format_opts, "channels", buf, 0);
2973 if (frame_rate.num) {
2974 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
2975 av_dict_set(&format_opts, "framerate", buf, 0);
2977 if (frame_width && frame_height) {
2978 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
2979 av_dict_set(&format_opts, "video_size", buf, 0);
2981 if (frame_pix_fmt != PIX_FMT_NONE)
2982 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
2984 ic->flags |= AVFMT_FLAG_NONBLOCK;
2986 /* open the input file with generic libav function */
2987 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2989 print_error(filename, err);
2992 assert_avoptions(format_opts);
2997 for(i=0; i<ic->nb_streams; i++){
2998 ic->streams[i]->discard= AVDISCARD_ALL;
3000 for(i=0; i<ic->nb_programs; i++){
3001 AVProgram *p= ic->programs[i];
3002 if(p->id != opt_programid){
3003 p->discard = AVDISCARD_ALL;
3006 for(j=0; j<p->nb_stream_indexes; j++){
3007 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3012 fprintf(stderr, "Specified program id not found\n");
3018 /* apply forced codec ids */
3019 for (i = 0; i < ic->nb_streams; i++)
3020 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
3022 /* Set AVCodecContext options for avformat_find_stream_info */
3023 opts = setup_find_stream_info_opts(ic, codec_opts);
3024 orig_nb_streams = ic->nb_streams;
3026 /* If not enough info to get the stream parameters, we decode the
3027 first frames to get it. (used in mpeg case for example) */
3028 ret = avformat_find_stream_info(ic, opts);
3029 if (ret < 0 && verbose >= 0) {
3030 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3031 av_close_input_file(ic);
3035 timestamp = start_time;
3036 /* add the stream start time */
3037 if (ic->start_time != AV_NOPTS_VALUE)
3038 timestamp += ic->start_time;
3040 /* if seeking requested, we execute it */
3041 if (start_time != 0) {
3042 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3044 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3045 filename, (double)timestamp / AV_TIME_BASE);
3047 /* reset seek info */
3051 /* update the current parameters so that they match the one of the input stream */
3052 add_input_streams(ic);
3054 /* dump the file content */
3056 av_dump_format(ic, nb_input_files, filename, 0);
3058 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3059 input_files[nb_input_files - 1].ctx = ic;
3060 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3061 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3063 frame_rate = (AVRational){0, 0};
3064 frame_pix_fmt = PIX_FMT_NONE;
3067 audio_sample_rate = 0;
3069 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3070 av_dict_free(&ts_scale);
3072 for (i = 0; i < orig_nb_streams; i++)
3073 av_dict_free(&opts[i]);
3075 av_dict_free(&codec_names);
3081 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3082 AVCodecContext *avctx)
3088 for (p = kf; *p; p++)
3091 ost->forced_kf_count = n;
3092 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3093 if (!ost->forced_kf_pts) {
3094 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3097 for (i = 0; i < n; i++) {
3098 p = i ? strchr(p, ',') + 1 : kf;
3099 t = parse_time_or_die("force_key_frames", p, 1);
3100 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3104 static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type)
3107 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3108 int idx = oc->nb_streams - 1;
3111 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3115 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3116 nb_output_streams + 1);
3117 ost = &output_streams[nb_output_streams - 1];
3118 ost->file_index = nb_output_files;
3121 st->codec->codec_type = type;
3122 ost->enc = choose_codec(oc, st, type, codec_names);
3124 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3127 avcodec_get_context_defaults3(st->codec, ost->enc);
3128 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3130 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3134 static OutputStream *new_video_stream(AVFormatContext *oc)
3138 AVCodecContext *video_enc;
3140 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO);
3142 if (!st->stream_copy) {
3143 ost->frame_aspect_ratio = frame_aspect_ratio;
3144 frame_aspect_ratio = 0;
3146 ost->avfilter= vfilters;
3151 ost->bitstream_filters = video_bitstream_filters;
3152 video_bitstream_filters= NULL;
3154 st->codec->thread_count= thread_count;
3156 video_enc = st->codec;
3159 video_enc->codec_tag= video_codec_tag;
3161 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3162 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3165 if (st->stream_copy) {
3166 video_enc->sample_aspect_ratio =
3167 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3173 ost->frame_rate = frame_rate;
3175 video_enc->width = frame_width;
3176 video_enc->height = frame_height;
3177 video_enc->pix_fmt = frame_pix_fmt;
3178 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3180 if (video_qscale || same_quant) {
3181 video_enc->flags |= CODEC_FLAG_QSCALE;
3182 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3186 video_enc->intra_matrix = intra_matrix;
3188 video_enc->inter_matrix = inter_matrix;
3190 p= video_rc_override_string;
3193 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3195 fprintf(stderr, "error parsing rc_override\n");
3198 video_enc->rc_override=
3199 av_realloc(video_enc->rc_override,
3200 sizeof(RcOverride)*(i+1));
3201 video_enc->rc_override[i].start_frame= start;
3202 video_enc->rc_override[i].end_frame = end;
3204 video_enc->rc_override[i].qscale= q;
3205 video_enc->rc_override[i].quality_factor= 1.0;
3208 video_enc->rc_override[i].qscale= 0;
3209 video_enc->rc_override[i].quality_factor= -q/100.0;
3214 video_enc->rc_override_count=i;
3215 if (!video_enc->rc_initial_buffer_occupancy)
3216 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3217 video_enc->me_threshold= me_threshold;
3218 video_enc->intra_dc_precision= intra_dc_precision - 8;
3221 video_enc->flags|= CODEC_FLAG_PSNR;
3226 video_enc->flags |= CODEC_FLAG_PASS1;
3228 video_enc->flags |= CODEC_FLAG_PASS2;
3232 if (forced_key_frames)
3233 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3235 if (video_language) {
3236 av_dict_set(&st->metadata, "language", video_language, 0);
3237 av_freep(&video_language);
3240 /* reset some key parameters */
3242 av_freep(&forced_key_frames);
3243 frame_pix_fmt = PIX_FMT_NONE;
3247 static OutputStream *new_audio_stream(AVFormatContext *oc)
3251 AVCodecContext *audio_enc;
3253 ost = new_output_stream(oc, AVMEDIA_TYPE_AUDIO);
3256 ost->bitstream_filters = audio_bitstream_filters;
3257 audio_bitstream_filters= NULL;
3259 st->codec->thread_count= thread_count;
3261 audio_enc = st->codec;
3262 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3265 audio_enc->codec_tag= audio_codec_tag;
3267 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3268 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3270 if (!st->stream_copy) {
3271 if (audio_qscale > QSCALE_NONE) {
3272 audio_enc->flags |= CODEC_FLAG_QSCALE;
3273 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3276 audio_enc->channels = audio_channels;
3277 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3278 audio_enc->sample_fmt = audio_sample_fmt;
3279 if (audio_sample_rate)
3280 audio_enc->sample_rate = audio_sample_rate;
3282 if (audio_language) {
3283 av_dict_set(&st->metadata, "language", audio_language, 0);
3284 av_freep(&audio_language);
3287 /* reset some key parameters */
3293 static OutputStream *new_data_stream(AVFormatContext *oc)
3297 AVCodecContext *data_enc;
3299 ost = new_output_stream(oc, AVMEDIA_TYPE_DATA);
3301 data_enc = st->codec;
3302 if (!st->stream_copy) {
3303 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3308 data_enc->codec_tag= data_codec_tag;
3310 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3311 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3318 static OutputStream *new_subtitle_stream(AVFormatContext *oc)
3322 AVCodecContext *subtitle_enc;
3324 ost = new_output_stream(oc, AVMEDIA_TYPE_SUBTITLE);
3326 subtitle_enc = st->codec;
3328 ost->bitstream_filters = subtitle_bitstream_filters;
3329 subtitle_bitstream_filters= NULL;
3331 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3333 if(subtitle_codec_tag)
3334 subtitle_enc->codec_tag= subtitle_codec_tag;
3336 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3337 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3340 if (subtitle_language) {
3341 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3342 av_freep(&subtitle_language);
3345 subtitle_disable = 0;
3349 /* arg format is "output-stream-index:streamid-value". */
3350 static int opt_streamid(const char *opt, const char *arg)
3356 av_strlcpy(idx_str, arg, sizeof(idx_str));
3357 p = strchr(idx_str, ':');
3360 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3365 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3366 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3367 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3371 static int copy_chapters(int infile, int outfile)
3373 AVFormatContext *is = input_files[infile].ctx;
3374 AVFormatContext *os = output_files[outfile].ctx;
3377 for (i = 0; i < is->nb_chapters; i++) {
3378 AVChapter *in_ch = is->chapters[i], *out_ch;
3379 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
3380 AV_TIME_BASE_Q, in_ch->time_base);
3381 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
3382 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3385 if (in_ch->end < ts_off)
3387 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3390 out_ch = av_mallocz(sizeof(AVChapter));
3392 return AVERROR(ENOMEM);
3394 out_ch->id = in_ch->id;
3395 out_ch->time_base = in_ch->time_base;
3396 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3397 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3399 if (metadata_chapters_autocopy)
3400 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3403 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3405 return AVERROR(ENOMEM);
3406 os->chapters[os->nb_chapters - 1] = out_ch;
3411 static int read_avserver_streams(AVFormatContext *s, const char *filename)
3414 AVFormatContext *ic = NULL;
3416 err = avformat_open_input(&ic, filename, NULL, NULL);
3419 /* copy stream format */
3420 for(i=0;i<ic->nb_streams;i++) {
3425 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3426 ost = new_output_stream(s, codec->type);
3429 // FIXME: a more elegant solution is needed
3430 memcpy(st, ic->streams[i], sizeof(AVStream));
3432 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3434 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3435 choose_sample_fmt(st, codec);
3436 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3437 choose_pixel_fmt(st, codec);
3440 av_close_input_file(ic);
3444 static void opt_output_file(const char *filename)
3446 AVFormatContext *oc;
3448 AVOutputFormat *file_oformat;
3452 if (!strcmp(filename, "-"))
3455 oc = avformat_alloc_context();
3457 print_error(filename, AVERROR(ENOMEM));
3461 if (last_asked_format) {
3462 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3463 if (!file_oformat) {
3464 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3467 last_asked_format = NULL;
3469 file_oformat = av_guess_format(NULL, filename, NULL);
3470 if (!file_oformat) {
3471 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3477 oc->oformat = file_oformat;
3478 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3480 if (!strcmp(file_oformat->name, "ffm") &&
3481 av_strstart(filename, "http:", NULL)) {
3482 /* special case for files sent to avserver: we get the stream
3483 parameters from avserver */
3484 int err = read_avserver_streams(oc, filename);
3486 print_error(filename, err);
3489 } else if (!nb_stream_maps) {
3490 /* pick the "best" stream of each type */
3491 #define NEW_STREAM(type, index)\
3493 ost = new_ ## type ## _stream(oc);\
3494 ost->source_index = index;\
3495 ost->sync_ist = &input_streams[index];\
3496 input_streams[index].discard = 0;\
3499 /* video: highest resolution */
3500 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3501 int area = 0, idx = -1;
3502 for (i = 0; i < nb_input_streams; i++) {
3503 ist = &input_streams[i];
3504 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3505 ist->st->codec->width * ist->st->codec->height > area) {
3506 area = ist->st->codec->width * ist->st->codec->height;
3510 NEW_STREAM(video, idx);
3513 /* audio: most channels */
3514 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3515 int channels = 0, idx = -1;
3516 for (i = 0; i < nb_input_streams; i++) {
3517 ist = &input_streams[i];
3518 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3519 ist->st->codec->channels > channels) {
3520 channels = ist->st->codec->channels;
3524 NEW_STREAM(audio, idx);
3527 /* subtitles: pick first */
3528 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3529 for (i = 0; i < nb_input_streams; i++)
3530 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3531 NEW_STREAM(subtitle, i);
3535 /* do something with data? */
3537 for (i = 0; i < nb_stream_maps; i++) {
3538 StreamMap *map = &stream_maps[i];
3543 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3544 switch (ist->st->codec->codec_type) {
3545 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc); break;
3546 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc); break;
3547 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc); break;
3548 case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc); break;
3550 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3551 map->file_index, map->stream_index);
3555 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3556 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3557 map->sync_stream_index];
3562 av_dict_copy(&oc->metadata, metadata, 0);
3563 av_dict_free(&metadata);
3566 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3567 output_files[nb_output_files - 1].ctx = oc;
3568 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3569 output_files[nb_output_files - 1].recording_time = recording_time;
3570 output_files[nb_output_files - 1].start_time = start_time;
3571 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3573 /* check filename in case of an image number is expected */
3574 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3575 if (!av_filename_number_test(oc->filename)) {
3576 print_error(oc->filename, AVERROR(EINVAL));
3581 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3582 /* test if it already exists to avoid loosing precious files */
3583 if (!file_overwrite &&
3584 (strchr(filename, ':') == NULL ||
3585 filename[1] == ':' ||
3586 av_strstart(filename, "file:", NULL))) {
3587 if (avio_check(filename, 0) == 0) {
3589 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3591 if (!read_yesno()) {
3592 fprintf(stderr, "Not overwriting - exiting\n");
3597 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3604 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3605 print_error(filename, err);
3610 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3611 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3612 oc->flags |= AVFMT_FLAG_NONBLOCK;
3615 if (chapters_input_file >= nb_input_files) {
3616 if (chapters_input_file == INT_MAX) {
3617 /* copy chapters from the first input file that has them*/
3618 chapters_input_file = -1;
3619 for (i = 0; i < nb_input_files; i++)
3620 if (input_files[i].ctx->nb_chapters) {
3621 chapters_input_file = i;
3625 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3626 chapters_input_file);
3630 if (chapters_input_file >= 0)
3631 copy_chapters(chapters_input_file, nb_output_files - 1);
3634 for (i = 0; i < nb_meta_data_maps; i++) {
3635 AVFormatContext *files[2];
3636 AVDictionary **meta[2];
3639 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3640 if ((index) < 0 || (index) >= (nb_elems)) {\
3641 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3646 int in_file_index = meta_data_maps[i][1].file;
3647 if (in_file_index < 0)
3649 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3652 files[1] = input_files[in_file_index].ctx;
3654 for (j = 0; j < 2; j++) {
3655 MetadataMap *map = &meta_data_maps[i][j];
3657 switch (map->type) {
3659 meta[j] = &files[j]->metadata;
3662 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3663 meta[j] = &files[j]->streams[map->index]->metadata;
3666 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3667 meta[j] = &files[j]->chapters[map->index]->metadata;
3670 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3671 meta[j] = &files[j]->programs[map->index]->metadata;
3676 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3679 /* copy global metadata by default */
3680 if (metadata_global_autocopy && nb_input_files)
3681 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3682 AV_DICT_DONT_OVERWRITE);
3683 if (metadata_streams_autocopy)
3684 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3685 InputStream *ist = &input_streams[output_streams[i].source_index];
3686 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3689 frame_rate = (AVRational){0, 0};
3692 audio_sample_rate = 0;
3694 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3695 chapters_input_file = INT_MAX;
3696 recording_time = INT64_MAX;
3699 av_freep(&meta_data_maps);
3700 nb_meta_data_maps = 0;
3701 metadata_global_autocopy = 1;
3702 metadata_streams_autocopy = 1;
3703 metadata_chapters_autocopy = 1;
3704 av_freep(&stream_maps);
3706 av_freep(&streamid_map);
3707 nb_streamid_map = 0;
3709 av_dict_free(&codec_names);
3711 av_freep(&forced_key_frames);
3716 /* same option as mencoder */
3717 static int opt_pass(const char *opt, const char *arg)
3719 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3723 static int64_t getutime(void)
3726 struct rusage rusage;
3728 getrusage(RUSAGE_SELF, &rusage);
3729 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3730 #elif HAVE_GETPROCESSTIMES
3732 FILETIME c, e, k, u;
3733 proc = GetCurrentProcess();
3734 GetProcessTimes(proc, &c, &e, &k, &u);
3735 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3737 return av_gettime();
3741 static int64_t getmaxrss(void)
3743 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3744 struct rusage rusage;
3745 getrusage(RUSAGE_SELF, &rusage);
3746 return (int64_t)rusage.ru_maxrss * 1024;
3747 #elif HAVE_GETPROCESSMEMORYINFO
3749 PROCESS_MEMORY_COUNTERS memcounters;
3750 proc = GetCurrentProcess();
3751 memcounters.cb = sizeof(memcounters);
3752 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3753 return memcounters.PeakPagefileUsage;
3759 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3762 const char *p = str;
3769 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3776 static void opt_inter_matrix(const char *arg)
3778 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3779 parse_matrix_coeffs(inter_matrix, arg);
3782 static void opt_intra_matrix(const char *arg)
3784 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3785 parse_matrix_coeffs(intra_matrix, arg);
3788 static void show_usage(void)
3790 printf("Hyper fast Audio and Video encoder\n");
3791 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3795 static void show_help(void)
3798 AVOutputFormat *oformat = NULL;
3799 AVInputFormat *iformat = NULL;
3801 av_log_set_callback(log_callback_help);
3803 show_help_options(options, "Main options:\n",
3804 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3805 show_help_options(options, "\nAdvanced options:\n",
3806 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3808 show_help_options(options, "\nVideo options:\n",
3809 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3811 show_help_options(options, "\nAdvanced Video options:\n",
3812 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3813 OPT_VIDEO | OPT_EXPERT);
3814 show_help_options(options, "\nAudio options:\n",
3815 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3817 show_help_options(options, "\nAdvanced Audio options:\n",
3818 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3819 OPT_AUDIO | OPT_EXPERT);
3820 show_help_options(options, "\nSubtitle options:\n",
3821 OPT_SUBTITLE | OPT_GRAB,
3823 show_help_options(options, "\nAudio/Video grab options:\n",
3827 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3830 /* individual codec options */
3832 while ((c = av_codec_next(c))) {
3833 if (c->priv_class) {
3834 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3839 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3842 /* individual muxer options */
3843 while ((oformat = av_oformat_next(oformat))) {
3844 if (oformat->priv_class) {
3845 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3850 /* individual demuxer options */
3851 while ((iformat = av_iformat_next(iformat))) {
3852 if (iformat->priv_class) {
3853 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3858 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3861 static int opt_target(const char *opt, const char *arg)
3863 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3864 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3866 if(!strncmp(arg, "pal-", 4)) {
3869 } else if(!strncmp(arg, "ntsc-", 5)) {
3872 } else if(!strncmp(arg, "film-", 5)) {
3877 /* Calculate FR via float to avoid int overflow */
3878 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3881 } else if((fr == 29970) || (fr == 23976)) {
3884 /* Try to determine PAL/NTSC by peeking in the input files */
3885 if(nb_input_files) {
3887 for (j = 0; j < nb_input_files; j++) {
3888 for (i = 0; i < input_files[j].ctx->nb_streams; i++) {
3889 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
3890 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3892 fr = c->time_base.den * 1000 / c->time_base.num;
3896 } else if((fr == 29970) || (fr == 23976)) {
3906 if(verbose > 0 && norm != UNKNOWN)
3907 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3910 if(norm == UNKNOWN) {
3911 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3912 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3913 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3917 if(!strcmp(arg, "vcd")) {
3918 opt_codec("c:v", "mpeg1video");
3919 opt_codec("c:a", "mp2");
3920 opt_format("f", "vcd");
3922 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
3923 opt_frame_rate("r", frame_rates[norm]);
3924 opt_default("g", norm == PAL ? "15" : "18");
3926 opt_default("b", "1150000");
3927 opt_default("maxrate", "1150000");
3928 opt_default("minrate", "1150000");
3929 opt_default("bufsize", "327680"); // 40*1024*8;
3931 opt_default("b:a", "224000");
3932 audio_sample_rate = 44100;
3935 opt_default("packetsize", "2324");
3936 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3938 /* We have to offset the PTS, so that it is consistent with the SCR.
3939 SCR starts at 36000, but the first two packs contain only padding
3940 and the first pack from the other stream, respectively, may also have
3941 been written before.
3942 So the real data starts at SCR 36000+3*1200. */
3943 mux_preload= (36000+3*1200) / 90000.0; //0.44
3944 } else if(!strcmp(arg, "svcd")) {
3946 opt_codec("c:v", "mpeg2video");
3947 opt_codec("c:a", "mp2");
3948 opt_format("f", "svcd");
3950 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
3951 opt_frame_rate("r", frame_rates[norm]);
3952 opt_default("g", norm == PAL ? "15" : "18");
3954 opt_default("b", "2040000");
3955 opt_default("maxrate", "2516000");
3956 opt_default("minrate", "0"); //1145000;
3957 opt_default("bufsize", "1835008"); //224*1024*8;
3958 opt_default("flags", "+scan_offset");
3961 opt_default("b:a", "224000");
3962 audio_sample_rate = 44100;
3964 opt_default("packetsize", "2324");
3966 } else if(!strcmp(arg, "dvd")) {
3968 opt_codec("c:v", "mpeg2video");
3969 opt_codec("c:a", "ac3");
3970 opt_format("f", "dvd");
3972 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
3973 opt_frame_rate("r", frame_rates[norm]);
3974 opt_default("g", norm == PAL ? "15" : "18");
3976 opt_default("b", "6000000");
3977 opt_default("maxrate", "9000000");
3978 opt_default("minrate", "0"); //1500000;
3979 opt_default("bufsize", "1835008"); //224*1024*8;
3981 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3982 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3984 opt_default("b:a", "448000");
3985 audio_sample_rate = 48000;
3987 } else if(!strncmp(arg, "dv", 2)) {
3989 opt_format("f", "dv");
3991 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
3992 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
3993 norm == PAL ? "yuv420p" : "yuv411p");
3994 opt_frame_rate("r", frame_rates[norm]);
3996 audio_sample_rate = 48000;
4000 fprintf(stderr, "Unknown target: %s\n", arg);
4001 return AVERROR(EINVAL);
4006 static int opt_vstats_file(const char *opt, const char *arg)
4008 av_free (vstats_filename);
4009 vstats_filename=av_strdup (arg);
4013 static int opt_vstats(const char *opt, const char *arg)
4016 time_t today2 = time(NULL);
4017 struct tm *today = localtime(&today2);
4019 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4021 return opt_vstats_file(opt, filename);
4024 static int opt_bsf(const char *opt, const char *arg)
4026 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4027 AVBitStreamFilterContext **bsfp;
4030 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4034 bsfp= *opt == 'v' ? &video_bitstream_filters :
4035 *opt == 'a' ? &audio_bitstream_filters :
4036 &subtitle_bitstream_filters;
4038 bsfp= &(*bsfp)->next;
4045 static const OptionDef options[] = {
4047 #include "cmdutils_common_opts.h"
4048 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4049 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4050 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4051 { "c", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4052 { "codec", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4053 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4054 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4055 "outfile[,metadata]:infile[,metadata]" },
4056 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&chapters_input_file}, "set chapters mapping", "input_file_index" },
4057 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4058 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4059 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4060 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4061 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "scale" },
4062 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4063 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4064 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4065 "add timings for benchmarking" },
4066 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4067 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4068 "dump each input packet" },
4069 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4070 "when dumping packets, also dump the payload" },
4071 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4072 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4073 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4074 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4075 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4076 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4077 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4078 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4079 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4080 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4081 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4082 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4083 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4084 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4087 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4088 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4089 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4090 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4091 { "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" },
4092 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4093 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4094 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4095 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4096 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4097 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4098 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4099 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4100 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4101 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4102 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4103 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4104 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4105 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4106 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimation threshold", "threshold" },
4107 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4108 "use same quantizer as source (implies VBR)" },
4109 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4110 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4111 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4112 "deinterlace pictures" },
4113 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4114 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4115 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4117 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4119 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4120 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4121 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4122 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4123 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4124 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4125 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4126 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4127 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4128 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4131 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4132 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4133 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4134 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4135 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4136 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4137 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4138 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4139 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4140 { "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" },
4142 /* subtitle options */
4143 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4144 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4145 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4146 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4149 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4152 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4153 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4155 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4156 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4157 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4159 /* data codec support */
4160 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4162 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4166 int main(int argc, char **argv)
4170 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4172 avcodec_register_all();
4174 avdevice_register_all();
4177 avfilter_register_all();
4181 avio_set_interrupt_cb(decode_interrupt_cb);
4188 parse_options(argc, argv, options, opt_output_file);
4190 if(nb_output_files <= 0 && nb_input_files == 0) {
4192 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4196 /* file converter / grab */
4197 if (nb_output_files <= 0) {
4198 fprintf(stderr, "At least one output file must be specified\n");
4202 if (nb_input_files == 0) {
4203 fprintf(stderr, "At least one input file must be specified\n");
4208 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4210 ti = getutime() - ti;
4212 int maxrss = getmaxrss() / 1024;
4213 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4216 return exit_program(0);