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 ? // overriden 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 reinitialising 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 temorarily 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 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1400 static int output_packet(InputStream *ist, int ist_index,
1401 OutputStream *ost_table, int nb_ostreams,
1402 const AVPacket *pkt)
1404 AVFormatContext *os;
1409 void *buffer_to_free = NULL;
1410 static unsigned int samples_size= 0;
1411 AVSubtitle subtitle, *subtitle_to_free;
1412 int64_t pkt_pts = AV_NOPTS_VALUE;
1414 int frame_available;
1419 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1421 if(ist->next_pts == AV_NOPTS_VALUE)
1422 ist->next_pts= ist->pts;
1426 av_init_packet(&avpkt);
1434 if(pkt->dts != AV_NOPTS_VALUE)
1435 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1436 if(pkt->pts != AV_NOPTS_VALUE)
1437 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1439 //while we have more to decode or while the decoder did output something on EOF
1440 while (avpkt.size > 0 || (!pkt && got_output)) {
1441 uint8_t *data_buf, *decoded_data_buf;
1442 int data_size, decoded_data_size;
1444 ist->pts= ist->next_pts;
1446 if(avpkt.size && avpkt.size != pkt->size &&
1447 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1448 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1449 ist->showed_multi_packet_warning=1;
1452 /* decode the packet if needed */
1453 decoded_data_buf = NULL; /* fail safe */
1454 decoded_data_size= 0;
1455 data_buf = avpkt.data;
1456 data_size = avpkt.size;
1457 subtitle_to_free = NULL;
1458 if (ist->decoding_needed) {
1459 switch(ist->st->codec->codec_type) {
1460 case AVMEDIA_TYPE_AUDIO:{
1461 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1462 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1464 samples= av_malloc(samples_size);
1466 decoded_data_size= samples_size;
1467 /* XXX: could avoid copy if PCM 16 bits with same
1468 endianness as CPU */
1469 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1476 got_output = decoded_data_size > 0;
1477 /* Some bug in mpeg audio decoder gives */
1478 /* decoded_data_size < 0, it seems they are overflows */
1480 /* no audio frame */
1483 decoded_data_buf = (uint8_t *)samples;
1484 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1485 (ist->st->codec->sample_rate * ist->st->codec->channels);
1487 case AVMEDIA_TYPE_VIDEO:
1488 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1489 /* XXX: allocate picture correctly */
1490 avcodec_get_frame_defaults(&picture);
1491 avpkt.pts = pkt_pts;
1492 avpkt.dts = ist->pts;
1493 pkt_pts = AV_NOPTS_VALUE;
1495 ret = avcodec_decode_video2(ist->st->codec,
1496 &picture, &got_output, &avpkt);
1497 quality = same_quant ? picture.quality : 0;
1501 /* no picture yet */
1502 goto discard_packet;
1504 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1505 if (ist->st->codec->time_base.num != 0) {
1506 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1507 ist->next_pts += ((int64_t)AV_TIME_BASE *
1508 ist->st->codec->time_base.num * ticks) /
1509 ist->st->codec->time_base.den;
1512 buffer_to_free = NULL;
1513 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1515 case AVMEDIA_TYPE_SUBTITLE:
1516 ret = avcodec_decode_subtitle2(ist->st->codec,
1517 &subtitle, &got_output, &avpkt);
1521 goto discard_packet;
1523 subtitle_to_free = &subtitle;
1530 switch(ist->st->codec->codec_type) {
1531 case AVMEDIA_TYPE_AUDIO:
1532 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1533 ist->st->codec->sample_rate;
1535 case AVMEDIA_TYPE_VIDEO:
1536 if (ist->st->codec->time_base.num != 0) {
1537 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1538 ist->next_pts += ((int64_t)AV_TIME_BASE *
1539 ist->st->codec->time_base.num * ticks) /
1540 ist->st->codec->time_base.den;
1548 // preprocess audio (volume)
1549 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1550 if (audio_volume != 256) {
1553 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1554 int v = ((*volp) * audio_volume + 128) >> 8;
1555 if (v < -32768) v = -32768;
1556 if (v > 32767) v = 32767;
1562 /* frame rate emulation */
1564 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1565 int64_t now = av_gettime() - ist->start;
1569 /* if output time reached then transcode raw format,
1570 encode packets and output them */
1571 for (i = 0; i < nb_ostreams; i++) {
1572 OutputFile *of = &output_files[ost_table[i].file_index];
1575 ost = &ost_table[i];
1576 if (ost->source_index != ist_index)
1579 if (of->start_time && ist->pts < of->start_time)
1582 if (of->recording_time != INT64_MAX &&
1583 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1584 (AVRational){1, 1000000}) >= 0) {
1585 ost->is_past_recording_time = 1;
1590 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1591 ost->input_video_filter) {
1593 if (ist->st->sample_aspect_ratio.num)
1594 sar = ist->st->sample_aspect_ratio;
1596 sar = ist->st->codec->sample_aspect_ratio;
1597 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, ist->pts, sar);
1599 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1600 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1601 while (frame_available) {
1602 AVRational ist_pts_tb;
1603 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1604 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1606 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1608 os = output_files[ost->file_index].ctx;
1610 /* set the input output pts pairs */
1611 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1613 if (ost->encoding_needed) {
1614 av_assert0(ist->decoding_needed);
1615 switch(ost->st->codec->codec_type) {
1616 case AVMEDIA_TYPE_AUDIO:
1617 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1619 case AVMEDIA_TYPE_VIDEO:
1621 if (ost->picref->video && !ost->frame_aspect_ratio)
1622 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1624 do_video_out(os, ost, ist, &picture, &frame_size,
1625 same_quant ? quality : ost->st->codec->global_quality);
1626 if (vstats_filename && frame_size)
1627 do_video_stats(os, ost, frame_size);
1629 case AVMEDIA_TYPE_SUBTITLE:
1630 do_subtitle_out(os, ost, ist, &subtitle,
1637 AVFrame avframe; //FIXME/XXX remove this
1639 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1641 av_init_packet(&opkt);
1643 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1644 #if !CONFIG_AVFILTER
1650 /* no reencoding needed : output the packet directly */
1651 /* force the input stream PTS */
1653 avcodec_get_frame_defaults(&avframe);
1654 ost->st->codec->coded_frame= &avframe;
1655 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1657 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1658 audio_size += data_size;
1659 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1660 video_size += data_size;
1664 opkt.stream_index= ost->index;
1665 if(pkt->pts != AV_NOPTS_VALUE)
1666 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1668 opkt.pts= AV_NOPTS_VALUE;
1670 if (pkt->dts == AV_NOPTS_VALUE)
1671 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1673 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1674 opkt.dts -= ost_tb_start_time;
1676 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1677 opkt.flags= pkt->flags;
1679 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1680 if( ost->st->codec->codec_id != CODEC_ID_H264
1681 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1682 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1684 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1685 opkt.destruct= av_destruct_packet;
1687 opkt.data = data_buf;
1688 opkt.size = data_size;
1691 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1692 ost->st->codec->frame_number++;
1693 ost->frame_number++;
1694 av_free_packet(&opkt);
1698 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1699 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1701 avfilter_unref_buffer(ost->picref);
1706 av_free(buffer_to_free);
1707 /* XXX: allocate the subtitles in the codec ? */
1708 if (subtitle_to_free) {
1709 avsubtitle_free(subtitle_to_free);
1710 subtitle_to_free = NULL;
1717 for(i=0;i<nb_ostreams;i++) {
1718 ost = &ost_table[i];
1719 if (ost->source_index == ist_index) {
1720 AVCodecContext *enc= ost->st->codec;
1721 os = output_files[ost->file_index].ctx;
1723 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1725 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1728 if (ost->encoding_needed) {
1732 av_init_packet(&pkt);
1733 pkt.stream_index= ost->index;
1735 switch(ost->st->codec->codec_type) {
1736 case AVMEDIA_TYPE_AUDIO:
1737 fifo_bytes = av_fifo_size(ost->fifo);
1739 /* encode any samples remaining in fifo */
1740 if (fifo_bytes > 0) {
1741 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1742 int fs_tmp = enc->frame_size;
1744 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1745 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1746 enc->frame_size = fifo_bytes / (osize * enc->channels);
1748 int frame_bytes = enc->frame_size*osize*enc->channels;
1749 if (allocated_audio_buf_size < frame_bytes)
1751 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1754 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1755 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1756 ost->st->time_base.num, enc->sample_rate);
1757 enc->frame_size = fs_tmp;
1760 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1763 fprintf(stderr, "Audio encoding failed\n");
1767 pkt.flags |= AV_PKT_FLAG_KEY;
1769 case AVMEDIA_TYPE_VIDEO:
1770 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1772 fprintf(stderr, "Video encoding failed\n");
1776 if(enc->coded_frame && enc->coded_frame->key_frame)
1777 pkt.flags |= AV_PKT_FLAG_KEY;
1778 if (ost->logfile && enc->stats_out) {
1779 fprintf(ost->logfile, "%s", enc->stats_out);
1788 pkt.data= bit_buffer;
1790 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1791 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1792 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1802 static void print_sdp(OutputFile *output_files, int n)
1806 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1810 for (i = 0; i < n; i++)
1811 avc[i] = output_files[i].ctx;
1813 av_sdp_create(avc, n, sdp, sizeof(sdp));
1814 printf("SDP:\n%s\n", sdp);
1819 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1820 char *error, int error_len)
1823 InputStream *ist = &input_streams[ist_index];
1824 if (ist->decoding_needed) {
1825 AVCodec *codec = ist->dec;
1827 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1829 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
1830 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1831 return AVERROR(EINVAL);
1834 /* update requested sample format for the decoder based on the
1835 corresponding encoder sample format */
1836 for (i = 0; i < nb_output_streams; i++) {
1837 OutputStream *ost = &output_streams[i];
1838 if (ost->source_index == ist_index) {
1839 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1844 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1845 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
1846 ist->file_index, ist->st->index);
1847 return AVERROR(EINVAL);
1849 assert_codec_experimental(ist->st->codec, 0);
1850 assert_avoptions(ist->opts);
1853 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;
1854 ist->next_pts = AV_NOPTS_VALUE;
1855 init_pts_correction(&ist->pts_ctx);
1862 * The following code is the main loop of the file converter
1864 static int transcode(OutputFile *output_files,
1865 int nb_output_files,
1866 InputFile *input_files,
1870 AVFormatContext *is, *os;
1871 AVCodecContext *codec, *icodec;
1877 int no_packet_count=0;
1878 int64_t timer_start;
1880 if (!(no_packet = av_mallocz(nb_input_files)))
1884 for (i = 0; i < nb_input_streams; i++)
1885 input_streams[i].start = av_gettime();
1887 /* output stream init */
1888 for(i=0;i<nb_output_files;i++) {
1889 os = output_files[i].ctx;
1890 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1891 av_dump_format(os, i, os->filename, 1);
1892 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1893 ret = AVERROR(EINVAL);
1898 /* for each output stream, we compute the right encoding parameters */
1899 for (i = 0; i < nb_output_streams; i++) {
1900 ost = &output_streams[i];
1901 os = output_files[ost->file_index].ctx;
1902 ist = &input_streams[ost->source_index];
1904 codec = ost->st->codec;
1905 icodec = ist->st->codec;
1907 ost->st->disposition = ist->st->disposition;
1908 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1909 codec->chroma_sample_location = icodec->chroma_sample_location;
1911 if (ost->st->stream_copy) {
1912 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1914 if (extra_size > INT_MAX)
1917 /* if stream_copy is selected, no need to decode or encode */
1918 codec->codec_id = icodec->codec_id;
1919 codec->codec_type = icodec->codec_type;
1921 if(!codec->codec_tag){
1922 if( !os->oformat->codec_tag
1923 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1924 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1925 codec->codec_tag = icodec->codec_tag;
1928 codec->bit_rate = icodec->bit_rate;
1929 codec->rc_max_rate = icodec->rc_max_rate;
1930 codec->rc_buffer_size = icodec->rc_buffer_size;
1931 codec->extradata= av_mallocz(extra_size);
1932 if (!codec->extradata)
1934 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1935 codec->extradata_size= icodec->extradata_size;
1936 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){
1937 codec->time_base = icodec->time_base;
1938 codec->time_base.num *= icodec->ticks_per_frame;
1939 av_reduce(&codec->time_base.num, &codec->time_base.den,
1940 codec->time_base.num, codec->time_base.den, INT_MAX);
1942 codec->time_base = ist->st->time_base;
1943 switch(codec->codec_type) {
1944 case AVMEDIA_TYPE_AUDIO:
1945 if(audio_volume != 256) {
1946 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1949 codec->channel_layout = icodec->channel_layout;
1950 codec->sample_rate = icodec->sample_rate;
1951 codec->channels = icodec->channels;
1952 codec->frame_size = icodec->frame_size;
1953 codec->audio_service_type = icodec->audio_service_type;
1954 codec->block_align= icodec->block_align;
1955 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1956 codec->block_align= 0;
1957 if(codec->codec_id == CODEC_ID_AC3)
1958 codec->block_align= 0;
1960 case AVMEDIA_TYPE_VIDEO:
1961 codec->pix_fmt = icodec->pix_fmt;
1962 codec->width = icodec->width;
1963 codec->height = icodec->height;
1964 codec->has_b_frames = icodec->has_b_frames;
1965 if (!codec->sample_aspect_ratio.num) {
1966 codec->sample_aspect_ratio =
1967 ost->st->sample_aspect_ratio =
1968 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1969 ist->st->codec->sample_aspect_ratio.num ?
1970 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1973 case AVMEDIA_TYPE_SUBTITLE:
1974 codec->width = icodec->width;
1975 codec->height = icodec->height;
1977 case AVMEDIA_TYPE_DATA:
1984 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
1985 switch(codec->codec_type) {
1986 case AVMEDIA_TYPE_AUDIO:
1987 ost->fifo= av_fifo_alloc(1024);
1990 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
1991 if (!codec->sample_rate) {
1992 codec->sample_rate = icodec->sample_rate;
1994 codec->sample_rate >>= icodec->lowres;
1996 choose_sample_rate(ost->st, ost->enc);
1997 codec->time_base = (AVRational){1, codec->sample_rate};
1998 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
1999 codec->sample_fmt = icodec->sample_fmt;
2000 choose_sample_fmt(ost->st, ost->enc);
2001 if (!codec->channels)
2002 codec->channels = icodec->channels;
2003 codec->channel_layout = icodec->channel_layout;
2004 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2005 codec->channel_layout = 0;
2006 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2007 icodec->request_channels = codec->channels;
2008 ist->decoding_needed = 1;
2009 ost->encoding_needed = 1;
2010 ost->resample_sample_fmt = icodec->sample_fmt;
2011 ost->resample_sample_rate = icodec->sample_rate;
2012 ost->resample_channels = icodec->channels;
2014 case AVMEDIA_TYPE_VIDEO:
2015 if (codec->pix_fmt == PIX_FMT_NONE)
2016 codec->pix_fmt = icodec->pix_fmt;
2017 choose_pixel_fmt(ost->st, ost->enc);
2019 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2020 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2024 if (!codec->width || !codec->height) {
2025 codec->width = icodec->width;
2026 codec->height = icodec->height;
2029 ost->video_resample = codec->width != icodec->width ||
2030 codec->height != icodec->height ||
2031 codec->pix_fmt != icodec->pix_fmt;
2032 if (ost->video_resample) {
2033 #if !CONFIG_AVFILTER
2034 avcodec_get_frame_defaults(&ost->pict_tmp);
2035 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2036 codec->width, codec->height)) {
2037 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2040 ost->img_resample_ctx = sws_getContext(
2047 ost->sws_flags, NULL, NULL, NULL);
2048 if (ost->img_resample_ctx == NULL) {
2049 fprintf(stderr, "Cannot get resampling context\n");
2053 codec->bits_per_raw_sample= 0;
2056 ost->resample_height = icodec->height;
2057 ost->resample_width = icodec->width;
2058 ost->resample_pix_fmt= icodec->pix_fmt;
2059 ost->encoding_needed = 1;
2060 ist->decoding_needed = 1;
2062 if (!ost->frame_rate.num)
2063 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2064 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2065 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2066 ost->frame_rate = ost->enc->supported_framerates[idx];
2068 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2071 if (configure_video_filters(ist, ost)) {
2072 fprintf(stderr, "Error opening filters!\n");
2077 case AVMEDIA_TYPE_SUBTITLE:
2078 ost->encoding_needed = 1;
2079 ist->decoding_needed = 1;
2086 if (ost->encoding_needed &&
2087 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2088 char logfilename[1024];
2091 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2092 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2094 if (codec->flags & CODEC_FLAG_PASS1) {
2095 f = fopen(logfilename, "wb");
2097 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2103 size_t logbuffer_size;
2104 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2105 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2108 codec->stats_in = logbuffer;
2112 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2113 int size= codec->width * codec->height;
2114 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2119 bit_buffer = av_malloc(bit_buffer_size);
2121 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2123 ret = AVERROR(ENOMEM);
2127 /* open each encoder */
2128 for (i = 0; i < nb_output_streams; i++) {
2129 ost = &output_streams[i];
2130 if (ost->encoding_needed) {
2131 AVCodec *codec = ost->enc;
2132 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2134 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2135 ost->st->codec->codec_id, ost->file_index, ost->index);
2136 ret = AVERROR(EINVAL);
2139 if (dec->subtitle_header) {
2140 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2141 if (!ost->st->codec->subtitle_header) {
2142 ret = AVERROR(ENOMEM);
2145 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2146 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2148 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2149 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2150 ost->file_index, ost->index);
2151 ret = AVERROR(EINVAL);
2154 assert_codec_experimental(ost->st->codec, 1);
2155 assert_avoptions(ost->opts);
2156 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2157 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2158 "It takes bits/s as argument, not kbits/s\n");
2159 extra_size += ost->st->codec->extradata_size;
2163 /* init input streams */
2164 for (i = 0; i < nb_input_streams; i++)
2165 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error)) < 0))
2168 /* open files and write file headers */
2169 for (i = 0; i < nb_output_files; i++) {
2170 os = output_files[i].ctx;
2171 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2172 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2173 ret = AVERROR(EINVAL);
2176 assert_avoptions(output_files[i].opts);
2177 if (strcmp(os->oformat->name, "rtp")) {
2183 /* dump the file output parameters - cannot be done before in case
2185 for(i=0;i<nb_output_files;i++) {
2186 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2189 /* dump the stream mapping */
2191 fprintf(stderr, "Stream mapping:\n");
2192 for (i = 0; i < nb_output_streams;i ++) {
2193 ost = &output_streams[i];
2194 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2195 input_streams[ost->source_index].file_index,
2196 input_streams[ost->source_index].st->index,
2199 if (ost->sync_ist != &input_streams[ost->source_index])
2200 fprintf(stderr, " [sync #%d.%d]",
2201 ost->sync_ist->file_index,
2202 ost->sync_ist->st->index);
2203 if (ost->st->stream_copy)
2204 fprintf(stderr, " (copy)");
2205 fprintf(stderr, "\n");
2210 fprintf(stderr, "%s\n", error);
2215 print_sdp(output_files, nb_output_files);
2219 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2222 timer_start = av_gettime();
2224 for(; received_sigterm == 0;) {
2225 int file_index, ist_index;
2231 ipts_min = INT64_MAX;
2234 /* select the stream that we must read now by looking at the
2235 smallest output pts */
2237 for (i = 0; i < nb_output_streams; i++) {
2240 ost = &output_streams[i];
2241 os = output_files[ost->file_index].ctx;
2242 ist = &input_streams[ost->source_index];
2243 if(ost->is_past_recording_time || no_packet[ist->file_index])
2245 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2247 if (!input_files[ist->file_index].eof_reached){
2248 if(ipts < ipts_min) {
2250 if(input_sync ) file_index = ist->file_index;
2252 if(opts < opts_min) {
2254 if(!input_sync) file_index = ist->file_index;
2257 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2262 /* if none, if is finished */
2263 if (file_index < 0) {
2264 if(no_packet_count){
2266 memset(no_packet, 0, nb_input_files);
2273 /* finish if limit size exhausted */
2274 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0].ctx->pb))
2277 /* read a frame from it and output it in the fifo */
2278 is = input_files[file_index].ctx;
2279 ret= av_read_frame(is, &pkt);
2280 if(ret == AVERROR(EAGAIN)){
2281 no_packet[file_index]=1;
2286 input_files[file_index].eof_reached = 1;
2294 memset(no_packet, 0, nb_input_files);
2297 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2298 is->streams[pkt.stream_index]);
2300 /* the following test is needed in case new streams appear
2301 dynamically in stream : we ignore them */
2302 if (pkt.stream_index >= input_files[file_index].ctx->nb_streams)
2303 goto discard_packet;
2304 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2305 ist = &input_streams[ist_index];
2307 goto discard_packet;
2309 if (pkt.dts != AV_NOPTS_VALUE)
2310 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2311 if (pkt.pts != AV_NOPTS_VALUE)
2312 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2314 if (ist->ts_scale) {
2315 if(pkt.pts != AV_NOPTS_VALUE)
2316 pkt.pts *= ist->ts_scale;
2317 if(pkt.dts != AV_NOPTS_VALUE)
2318 pkt.dts *= ist->ts_scale;
2321 // 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);
2322 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2323 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2324 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2325 int64_t delta= pkt_dts - ist->next_pts;
2326 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2327 input_files[ist->file_index].ts_offset -= delta;
2329 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2330 delta, input_files[ist->file_index].ts_offset);
2331 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2332 if(pkt.pts != AV_NOPTS_VALUE)
2333 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2337 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2338 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2341 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2342 ist->file_index, ist->st->index);
2345 av_free_packet(&pkt);
2350 av_free_packet(&pkt);
2352 /* dump report by using the output first video and audio streams */
2353 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2356 /* at the end of stream, we must flush the decoder buffers */
2357 for (i = 0; i < nb_input_streams; i++) {
2358 ist = &input_streams[i];
2359 if (ist->decoding_needed) {
2360 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2366 /* write the trailer if needed and close file */
2367 for(i=0;i<nb_output_files;i++) {
2368 os = output_files[i].ctx;
2369 av_write_trailer(os);
2372 /* dump report by using the first video and audio streams */
2373 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2375 /* close each encoder */
2376 for (i = 0; i < nb_output_streams; i++) {
2377 ost = &output_streams[i];
2378 if (ost->encoding_needed) {
2379 av_freep(&ost->st->codec->stats_in);
2380 avcodec_close(ost->st->codec);
2383 avfilter_graph_free(&ost->graph);
2387 /* close each decoder */
2388 for (i = 0; i < nb_input_streams; i++) {
2389 ist = &input_streams[i];
2390 if (ist->decoding_needed) {
2391 avcodec_close(ist->st->codec);
2399 av_freep(&bit_buffer);
2400 av_freep(&no_packet);
2402 if (output_streams) {
2403 for (i = 0; i < nb_output_streams; i++) {
2404 ost = &output_streams[i];
2406 if (ost->st->stream_copy)
2407 av_freep(&ost->st->codec->extradata);
2409 fclose(ost->logfile);
2410 ost->logfile = NULL;
2412 av_fifo_free(ost->fifo); /* works even if fifo is not
2413 initialized but set to zero */
2414 av_freep(&ost->st->codec->subtitle_header);
2415 av_free(ost->pict_tmp.data[0]);
2416 av_free(ost->forced_kf_pts);
2417 if (ost->video_resample)
2418 sws_freeContext(ost->img_resample_ctx);
2420 audio_resample_close(ost->resample);
2421 if (ost->reformat_ctx)
2422 av_audio_convert_free(ost->reformat_ctx);
2423 av_dict_free(&ost->opts);
2430 static int opt_format(const char *opt, const char *arg)
2432 last_asked_format = arg;
2436 static int opt_video_rc_override_string(const char *opt, const char *arg)
2438 video_rc_override_string = arg;
2442 static int opt_me_threshold(const char *opt, const char *arg)
2444 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2448 static int opt_verbose(const char *opt, const char *arg)
2450 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2454 static int opt_frame_rate(const char *opt, const char *arg)
2456 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2457 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2463 static int opt_frame_crop(const char *opt, const char *arg)
2465 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2466 return AVERROR(EINVAL);
2469 static int opt_frame_size(const char *opt, const char *arg)
2471 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2472 fprintf(stderr, "Incorrect frame size\n");
2473 return AVERROR(EINVAL);
2478 static int opt_pad(const char *opt, const char *arg) {
2479 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2483 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2485 if (strcmp(arg, "list")) {
2486 frame_pix_fmt = av_get_pix_fmt(arg);
2487 if (frame_pix_fmt == PIX_FMT_NONE) {
2488 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2489 return AVERROR(EINVAL);
2498 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2505 p = strchr(arg, ':');
2507 x = strtol(arg, &end, 10);
2509 y = strtol(end+1, &end, 10);
2511 ar = (double)x / (double)y;
2513 ar = strtod(arg, NULL);
2516 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2517 return AVERROR(EINVAL);
2519 frame_aspect_ratio = ar;
2523 static int opt_metadata(const char *opt, const char *arg)
2525 char *mid= strchr(arg, '=');
2528 fprintf(stderr, "Missing =\n");
2533 av_dict_set(&metadata, arg, mid, 0);
2538 static int opt_qscale(const char *opt, const char *arg)
2540 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2541 if (video_qscale == 0) {
2542 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2543 return AVERROR(EINVAL);
2548 static int opt_top_field_first(const char *opt, const char *arg)
2550 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2554 static int opt_thread_count(const char *opt, const char *arg)
2556 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2559 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2564 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2566 if (strcmp(arg, "list")) {
2567 audio_sample_fmt = av_get_sample_fmt(arg);
2568 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2569 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2570 return AVERROR(EINVAL);
2575 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2576 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2582 static int opt_audio_rate(const char *opt, const char *arg)
2584 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2588 static int opt_audio_channels(const char *opt, const char *arg)
2590 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2594 static int opt_codec(const char *opt, const char *arg)
2596 return av_dict_set(&codec_names, opt, arg, 0);
2599 static int opt_audio_codec(const char *opt, const char *arg)
2601 return opt_codec("codec:a", arg);
2604 static int opt_video_codec(const char *opt, const char *arg)
2606 return opt_codec("codec:v", arg);
2609 static int opt_subtitle_codec(const char *opt, const char *arg)
2611 return opt_codec("codec:s", arg);
2614 static int opt_data_codec(const char *opt, const char *arg)
2616 return opt_codec("codec:d", arg);
2619 static int opt_codec_tag(const char *opt, const char *arg)
2622 uint32_t *codec_tag;
2624 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2625 !strcmp(opt, "vtag") ? &video_codec_tag :
2626 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2630 *codec_tag = strtol(arg, &tail, 0);
2632 *codec_tag = AV_RL32(arg);
2637 static int opt_map(const char *opt, const char *arg)
2639 StreamMap *m = NULL;
2640 int i, negative = 0, file_idx;
2641 int sync_file_idx = -1, sync_stream_idx;
2649 map = av_strdup(arg);
2651 /* parse sync stream first, just pick first matching stream */
2652 if (sync = strchr(map, ',')) {
2654 sync_file_idx = strtol(sync + 1, &sync, 0);
2655 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2656 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2661 for (i = 0; i < input_files[sync_file_idx].ctx->nb_streams; i++)
2662 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2663 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2664 sync_stream_idx = i;
2667 if (i == input_files[sync_file_idx].ctx->nb_streams) {
2668 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2669 "match any streams.\n", arg);
2675 file_idx = strtol(map, &p, 0);
2676 if (file_idx >= nb_input_files || file_idx < 0) {
2677 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2681 /* disable some already defined maps */
2682 for (i = 0; i < nb_stream_maps; i++) {
2683 m = &stream_maps[i];
2684 if (check_stream_specifier(input_files[m->file_index].ctx,
2685 input_files[m->file_index].ctx->streams[m->stream_index],
2686 *p == ':' ? p + 1 : p) > 0)
2690 for (i = 0; i < input_files[file_idx].ctx->nb_streams; i++) {
2691 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2692 *p == ':' ? p + 1 : p) <= 0)
2694 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2695 m = &stream_maps[nb_stream_maps - 1];
2697 m->file_index = file_idx;
2698 m->stream_index = i;
2700 if (sync_file_idx >= 0) {
2701 m->sync_file_index = sync_file_idx;
2702 m->sync_stream_index = sync_stream_idx;
2704 m->sync_file_index = file_idx;
2705 m->sync_stream_index = i;
2710 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2718 static void parse_meta_type(char *arg, char *type, int *index)
2728 if (*(++arg) == ':')
2729 *index = strtol(++arg, NULL, 0);
2732 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2739 static int opt_map_metadata(const char *opt, const char *arg)
2741 MetadataMap *m, *m1;
2744 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2745 &nb_meta_data_maps, nb_meta_data_maps + 1);
2747 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2748 m->file = strtol(arg, &p, 0);
2749 parse_meta_type(p, &m->type, &m->index);
2751 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2752 if (p = strchr(opt, ':'))
2753 parse_meta_type(p, &m1->type, &m1->index);
2757 if (m->type == 'g' || m1->type == 'g')
2758 metadata_global_autocopy = 0;
2759 if (m->type == 's' || m1->type == 's')
2760 metadata_streams_autocopy = 0;
2761 if (m->type == 'c' || m1->type == 'c')
2762 metadata_chapters_autocopy = 0;
2767 static int opt_input_ts_scale(const char *opt, const char *arg)
2769 return av_dict_set(&ts_scale, opt, arg, 0);
2772 static int opt_recording_time(const char *opt, const char *arg)
2774 recording_time = parse_time_or_die(opt, arg, 1);
2778 static int opt_start_time(const char *opt, const char *arg)
2780 start_time = parse_time_or_die(opt, arg, 1);
2784 static int opt_input_ts_offset(const char *opt, const char *arg)
2786 input_ts_offset = parse_time_or_die(opt, arg, 1);
2790 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2792 const char *codec_string = encoder ? "encoder" : "decoder";
2796 return CODEC_ID_NONE;
2798 avcodec_find_encoder_by_name(name) :
2799 avcodec_find_decoder_by_name(name);
2801 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2804 if(codec->type != type) {
2805 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2811 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
2813 AVDictionaryEntry *e = NULL;
2814 char *codec_name = NULL;
2817 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
2818 char *p = strchr(e->key, ':');
2820 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
2821 codec_name = e->value;
2828 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2829 return avcodec_find_encoder(st->codec->codec_id);
2831 } else if (!strcmp(codec_name, "copy"))
2832 st->stream_copy = 1;
2834 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2835 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2836 avcodec_find_decoder_by_name(codec_name);
2843 * Add all the streams from the given input file to the global
2844 * list of input streams.
2846 static void add_input_streams(AVFormatContext *ic)
2848 int i, rfps, rfps_base, ret;
2850 for (i = 0; i < ic->nb_streams; i++) {
2851 AVStream *st = ic->streams[i];
2852 AVCodecContext *dec = st->codec;
2853 AVDictionaryEntry *e = NULL;
2857 dec->thread_count = thread_count;
2859 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2860 ist = &input_streams[nb_input_streams - 1];
2862 ist->file_index = nb_input_files;
2864 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2866 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
2867 char *p = strchr(e->key, ':');
2869 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
2875 ist->ts_scale = strtod(scale, NULL);
2877 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
2879 switch (dec->codec_type) {
2880 case AVMEDIA_TYPE_AUDIO:
2882 st->discard= AVDISCARD_ALL;
2884 case AVMEDIA_TYPE_VIDEO:
2885 rfps = ic->streams[i]->r_frame_rate.num;
2886 rfps_base = ic->streams[i]->r_frame_rate.den;
2888 dec->flags |= CODEC_FLAG_EMU_EDGE;
2889 dec->height >>= dec->lowres;
2890 dec->width >>= dec->lowres;
2893 dec->debug |= FF_DEBUG_MV;
2895 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2898 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2899 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2901 (float)rfps / rfps_base, rfps, rfps_base);
2905 st->discard= AVDISCARD_ALL;
2906 else if(video_discard)
2907 st->discard= video_discard;
2909 case AVMEDIA_TYPE_DATA:
2911 case AVMEDIA_TYPE_SUBTITLE:
2912 if(subtitle_disable)
2913 st->discard = AVDISCARD_ALL;
2915 case AVMEDIA_TYPE_ATTACHMENT:
2916 case AVMEDIA_TYPE_UNKNOWN:
2924 static int opt_input_file(const char *opt, const char *filename)
2926 AVFormatContext *ic;
2927 AVInputFormat *file_iformat = NULL;
2931 AVDictionary **opts;
2932 int orig_nb_streams; // number of streams before avformat_find_stream_info
2934 if (last_asked_format) {
2935 if (!(file_iformat = av_find_input_format(last_asked_format))) {
2936 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
2939 last_asked_format = NULL;
2942 if (!strcmp(filename, "-"))
2945 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2946 !strcmp(filename, "/dev/stdin");
2948 /* get default parameters from command line */
2949 ic = avformat_alloc_context();
2951 print_error(filename, AVERROR(ENOMEM));
2954 if (audio_sample_rate) {
2955 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
2956 av_dict_set(&format_opts, "sample_rate", buf, 0);
2958 if (audio_channels) {
2959 snprintf(buf, sizeof(buf), "%d", audio_channels);
2960 av_dict_set(&format_opts, "channels", buf, 0);
2962 if (frame_rate.num) {
2963 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
2964 av_dict_set(&format_opts, "framerate", buf, 0);
2966 if (frame_width && frame_height) {
2967 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
2968 av_dict_set(&format_opts, "video_size", buf, 0);
2970 if (frame_pix_fmt != PIX_FMT_NONE)
2971 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
2973 ic->flags |= AVFMT_FLAG_NONBLOCK;
2975 /* open the input file with generic libav function */
2976 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2978 print_error(filename, err);
2981 assert_avoptions(format_opts);
2986 for(i=0; i<ic->nb_streams; i++){
2987 ic->streams[i]->discard= AVDISCARD_ALL;
2989 for(i=0; i<ic->nb_programs; i++){
2990 AVProgram *p= ic->programs[i];
2991 if(p->id != opt_programid){
2992 p->discard = AVDISCARD_ALL;
2995 for(j=0; j<p->nb_stream_indexes; j++){
2996 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3001 fprintf(stderr, "Specified program id not found\n");
3007 /* apply forced codec ids */
3008 for (i = 0; i < ic->nb_streams; i++)
3009 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
3011 /* Set AVCodecContext options for avformat_find_stream_info */
3012 opts = setup_find_stream_info_opts(ic, codec_opts);
3013 orig_nb_streams = ic->nb_streams;
3015 /* If not enough info to get the stream parameters, we decode the
3016 first frames to get it. (used in mpeg case for example) */
3017 ret = avformat_find_stream_info(ic, opts);
3018 if (ret < 0 && verbose >= 0) {
3019 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3020 av_close_input_file(ic);
3024 timestamp = start_time;
3025 /* add the stream start time */
3026 if (ic->start_time != AV_NOPTS_VALUE)
3027 timestamp += ic->start_time;
3029 /* if seeking requested, we execute it */
3030 if (start_time != 0) {
3031 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3033 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3034 filename, (double)timestamp / AV_TIME_BASE);
3036 /* reset seek info */
3040 /* update the current parameters so that they match the one of the input stream */
3041 add_input_streams(ic);
3043 /* dump the file content */
3045 av_dump_format(ic, nb_input_files, filename, 0);
3047 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3048 input_files[nb_input_files - 1].ctx = ic;
3049 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3050 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3052 frame_rate = (AVRational){0, 0};
3053 frame_pix_fmt = PIX_FMT_NONE;
3056 audio_sample_rate = 0;
3058 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3059 av_dict_free(&ts_scale);
3061 for (i = 0; i < orig_nb_streams; i++)
3062 av_dict_free(&opts[i]);
3064 av_dict_free(&codec_names);
3070 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3071 AVCodecContext *avctx)
3077 for (p = kf; *p; p++)
3080 ost->forced_kf_count = n;
3081 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3082 if (!ost->forced_kf_pts) {
3083 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3086 for (i = 0; i < n; i++) {
3087 p = i ? strchr(p, ',') + 1 : kf;
3088 t = parse_time_or_die("force_key_frames", p, 1);
3089 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3093 static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type)
3096 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3097 int idx = oc->nb_streams - 1;
3100 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3104 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3105 nb_output_streams + 1);
3106 ost = &output_streams[nb_output_streams - 1];
3107 ost->file_index = nb_output_files;
3110 st->codec->codec_type = type;
3111 ost->enc = choose_codec(oc, st, type, codec_names);
3113 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3116 avcodec_get_context_defaults3(st->codec, ost->enc);
3117 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3119 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3123 static OutputStream *new_video_stream(AVFormatContext *oc)
3127 AVCodecContext *video_enc;
3129 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO);
3131 if (!st->stream_copy) {
3132 ost->frame_aspect_ratio = frame_aspect_ratio;
3133 frame_aspect_ratio = 0;
3135 ost->avfilter= vfilters;
3140 ost->bitstream_filters = video_bitstream_filters;
3141 video_bitstream_filters= NULL;
3143 st->codec->thread_count= thread_count;
3145 video_enc = st->codec;
3148 video_enc->codec_tag= video_codec_tag;
3150 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3151 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3154 if (st->stream_copy) {
3155 video_enc->sample_aspect_ratio =
3156 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3162 ost->frame_rate = frame_rate;
3164 video_enc->width = frame_width;
3165 video_enc->height = frame_height;
3166 video_enc->pix_fmt = frame_pix_fmt;
3167 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3169 if (video_qscale || same_quant) {
3170 video_enc->flags |= CODEC_FLAG_QSCALE;
3171 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3175 video_enc->intra_matrix = intra_matrix;
3177 video_enc->inter_matrix = inter_matrix;
3179 p= video_rc_override_string;
3182 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3184 fprintf(stderr, "error parsing rc_override\n");
3187 video_enc->rc_override=
3188 av_realloc(video_enc->rc_override,
3189 sizeof(RcOverride)*(i+1));
3190 video_enc->rc_override[i].start_frame= start;
3191 video_enc->rc_override[i].end_frame = end;
3193 video_enc->rc_override[i].qscale= q;
3194 video_enc->rc_override[i].quality_factor= 1.0;
3197 video_enc->rc_override[i].qscale= 0;
3198 video_enc->rc_override[i].quality_factor= -q/100.0;
3203 video_enc->rc_override_count=i;
3204 if (!video_enc->rc_initial_buffer_occupancy)
3205 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3206 video_enc->me_threshold= me_threshold;
3207 video_enc->intra_dc_precision= intra_dc_precision - 8;
3210 video_enc->flags|= CODEC_FLAG_PSNR;
3215 video_enc->flags |= CODEC_FLAG_PASS1;
3217 video_enc->flags |= CODEC_FLAG_PASS2;
3221 if (forced_key_frames)
3222 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3224 if (video_language) {
3225 av_dict_set(&st->metadata, "language", video_language, 0);
3226 av_freep(&video_language);
3229 /* reset some key parameters */
3231 av_freep(&forced_key_frames);
3232 frame_pix_fmt = PIX_FMT_NONE;
3236 static OutputStream *new_audio_stream(AVFormatContext *oc)
3240 AVCodecContext *audio_enc;
3242 ost = new_output_stream(oc, AVMEDIA_TYPE_AUDIO);
3245 ost->bitstream_filters = audio_bitstream_filters;
3246 audio_bitstream_filters= NULL;
3248 st->codec->thread_count= thread_count;
3250 audio_enc = st->codec;
3251 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3254 audio_enc->codec_tag= audio_codec_tag;
3256 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3257 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3259 if (!st->stream_copy) {
3260 if (audio_qscale > QSCALE_NONE) {
3261 audio_enc->flags |= CODEC_FLAG_QSCALE;
3262 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3265 audio_enc->channels = audio_channels;
3266 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3267 audio_enc->sample_fmt = audio_sample_fmt;
3268 if (audio_sample_rate)
3269 audio_enc->sample_rate = audio_sample_rate;
3271 if (audio_language) {
3272 av_dict_set(&st->metadata, "language", audio_language, 0);
3273 av_freep(&audio_language);
3276 /* reset some key parameters */
3282 static OutputStream *new_data_stream(AVFormatContext *oc)
3286 AVCodecContext *data_enc;
3288 ost = new_output_stream(oc, AVMEDIA_TYPE_DATA);
3290 data_enc = st->codec;
3291 if (!st->stream_copy) {
3292 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3297 data_enc->codec_tag= data_codec_tag;
3299 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3300 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3307 static OutputStream *new_subtitle_stream(AVFormatContext *oc)
3311 AVCodecContext *subtitle_enc;
3313 ost = new_output_stream(oc, AVMEDIA_TYPE_SUBTITLE);
3315 subtitle_enc = st->codec;
3317 ost->bitstream_filters = subtitle_bitstream_filters;
3318 subtitle_bitstream_filters= NULL;
3320 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3322 if(subtitle_codec_tag)
3323 subtitle_enc->codec_tag= subtitle_codec_tag;
3325 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3326 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3329 if (subtitle_language) {
3330 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3331 av_freep(&subtitle_language);
3334 subtitle_disable = 0;
3338 /* arg format is "output-stream-index:streamid-value". */
3339 static int opt_streamid(const char *opt, const char *arg)
3345 av_strlcpy(idx_str, arg, sizeof(idx_str));
3346 p = strchr(idx_str, ':');
3349 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3354 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3355 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3356 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3360 static int copy_chapters(int infile, int outfile)
3362 AVFormatContext *is = input_files[infile].ctx;
3363 AVFormatContext *os = output_files[outfile].ctx;
3366 for (i = 0; i < is->nb_chapters; i++) {
3367 AVChapter *in_ch = is->chapters[i], *out_ch;
3368 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
3369 AV_TIME_BASE_Q, in_ch->time_base);
3370 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
3371 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3374 if (in_ch->end < ts_off)
3376 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3379 out_ch = av_mallocz(sizeof(AVChapter));
3381 return AVERROR(ENOMEM);
3383 out_ch->id = in_ch->id;
3384 out_ch->time_base = in_ch->time_base;
3385 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3386 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3388 if (metadata_chapters_autocopy)
3389 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3392 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3394 return AVERROR(ENOMEM);
3395 os->chapters[os->nb_chapters - 1] = out_ch;
3400 static int read_avserver_streams(AVFormatContext *s, const char *filename)
3403 AVFormatContext *ic = NULL;
3405 err = avformat_open_input(&ic, filename, NULL, NULL);
3408 /* copy stream format */
3409 for(i=0;i<ic->nb_streams;i++) {
3414 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3415 ost = new_output_stream(s, codec->type);
3418 // FIXME: a more elegant solution is needed
3419 memcpy(st, ic->streams[i], sizeof(AVStream));
3421 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3423 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3424 choose_sample_fmt(st, codec);
3425 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3426 choose_pixel_fmt(st, codec);
3429 av_close_input_file(ic);
3433 static void opt_output_file(const char *filename)
3435 AVFormatContext *oc;
3437 AVOutputFormat *file_oformat;
3441 if (!strcmp(filename, "-"))
3444 oc = avformat_alloc_context();
3446 print_error(filename, AVERROR(ENOMEM));
3450 if (last_asked_format) {
3451 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3452 if (!file_oformat) {
3453 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3456 last_asked_format = NULL;
3458 file_oformat = av_guess_format(NULL, filename, NULL);
3459 if (!file_oformat) {
3460 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3466 oc->oformat = file_oformat;
3467 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3469 if (!strcmp(file_oformat->name, "ffm") &&
3470 av_strstart(filename, "http:", NULL)) {
3471 /* special case for files sent to avserver: we get the stream
3472 parameters from avserver */
3473 int err = read_avserver_streams(oc, filename);
3475 print_error(filename, err);
3478 } else if (!nb_stream_maps) {
3479 /* pick the "best" stream of each type */
3480 #define NEW_STREAM(type, index)\
3482 ost = new_ ## type ## _stream(oc);\
3483 ost->source_index = index;\
3484 ost->sync_ist = &input_streams[index];\
3485 input_streams[index].discard = 0;\
3488 /* video: highest resolution */
3489 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3490 int area = 0, idx = -1;
3491 for (i = 0; i < nb_input_streams; i++) {
3492 ist = &input_streams[i];
3493 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3494 ist->st->codec->width * ist->st->codec->height > area) {
3495 area = ist->st->codec->width * ist->st->codec->height;
3499 NEW_STREAM(video, idx);
3502 /* audio: most channels */
3503 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3504 int channels = 0, idx = -1;
3505 for (i = 0; i < nb_input_streams; i++) {
3506 ist = &input_streams[i];
3507 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3508 ist->st->codec->channels > channels) {
3509 channels = ist->st->codec->channels;
3513 NEW_STREAM(audio, idx);
3516 /* subtitles: pick first */
3517 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3518 for (i = 0; i < nb_input_streams; i++)
3519 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3520 NEW_STREAM(subtitle, i);
3524 /* do something with data? */
3526 for (i = 0; i < nb_stream_maps; i++) {
3527 StreamMap *map = &stream_maps[i];
3532 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3533 switch (ist->st->codec->codec_type) {
3534 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc); break;
3535 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc); break;
3536 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc); break;
3537 case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc); break;
3539 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3540 map->file_index, map->stream_index);
3544 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3545 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3546 map->sync_stream_index];
3551 av_dict_copy(&oc->metadata, metadata, 0);
3552 av_dict_free(&metadata);
3555 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3556 output_files[nb_output_files - 1].ctx = oc;
3557 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3558 output_files[nb_output_files - 1].recording_time = recording_time;
3559 output_files[nb_output_files - 1].start_time = start_time;
3560 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3562 /* check filename in case of an image number is expected */
3563 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3564 if (!av_filename_number_test(oc->filename)) {
3565 print_error(oc->filename, AVERROR(EINVAL));
3570 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3571 /* test if it already exists to avoid loosing precious files */
3572 if (!file_overwrite &&
3573 (strchr(filename, ':') == NULL ||
3574 filename[1] == ':' ||
3575 av_strstart(filename, "file:", NULL))) {
3576 if (avio_check(filename, 0) == 0) {
3578 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3580 if (!read_yesno()) {
3581 fprintf(stderr, "Not overwriting - exiting\n");
3586 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3593 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3594 print_error(filename, err);
3599 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3600 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3601 oc->flags |= AVFMT_FLAG_NONBLOCK;
3604 if (chapters_input_file >= nb_input_files) {
3605 if (chapters_input_file == INT_MAX) {
3606 /* copy chapters from the first input file that has them*/
3607 chapters_input_file = -1;
3608 for (i = 0; i < nb_input_files; i++)
3609 if (input_files[i].ctx->nb_chapters) {
3610 chapters_input_file = i;
3614 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3615 chapters_input_file);
3619 if (chapters_input_file >= 0)
3620 copy_chapters(chapters_input_file, nb_output_files - 1);
3623 for (i = 0; i < nb_meta_data_maps; i++) {
3624 AVFormatContext *files[2];
3625 AVDictionary **meta[2];
3628 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3629 if ((index) < 0 || (index) >= (nb_elems)) {\
3630 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3635 int in_file_index = meta_data_maps[i][1].file;
3636 if (in_file_index < 0)
3638 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3641 files[1] = input_files[in_file_index].ctx;
3643 for (j = 0; j < 2; j++) {
3644 MetadataMap *map = &meta_data_maps[i][j];
3646 switch (map->type) {
3648 meta[j] = &files[j]->metadata;
3651 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3652 meta[j] = &files[j]->streams[map->index]->metadata;
3655 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3656 meta[j] = &files[j]->chapters[map->index]->metadata;
3659 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3660 meta[j] = &files[j]->programs[map->index]->metadata;
3665 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3668 /* copy global metadata by default */
3669 if (metadata_global_autocopy && nb_input_files)
3670 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3671 AV_DICT_DONT_OVERWRITE);
3672 if (metadata_streams_autocopy)
3673 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3674 InputStream *ist = &input_streams[output_streams[i].source_index];
3675 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3678 frame_rate = (AVRational){0, 0};
3681 audio_sample_rate = 0;
3683 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3684 chapters_input_file = INT_MAX;
3685 recording_time = INT64_MAX;
3688 av_freep(&meta_data_maps);
3689 nb_meta_data_maps = 0;
3690 metadata_global_autocopy = 1;
3691 metadata_streams_autocopy = 1;
3692 metadata_chapters_autocopy = 1;
3693 av_freep(&stream_maps);
3695 av_freep(&streamid_map);
3696 nb_streamid_map = 0;
3698 av_dict_free(&codec_names);
3700 av_freep(&forced_key_frames);
3705 /* same option as mencoder */
3706 static int opt_pass(const char *opt, const char *arg)
3708 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3712 static int64_t getutime(void)
3715 struct rusage rusage;
3717 getrusage(RUSAGE_SELF, &rusage);
3718 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3719 #elif HAVE_GETPROCESSTIMES
3721 FILETIME c, e, k, u;
3722 proc = GetCurrentProcess();
3723 GetProcessTimes(proc, &c, &e, &k, &u);
3724 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3726 return av_gettime();
3730 static int64_t getmaxrss(void)
3732 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3733 struct rusage rusage;
3734 getrusage(RUSAGE_SELF, &rusage);
3735 return (int64_t)rusage.ru_maxrss * 1024;
3736 #elif HAVE_GETPROCESSMEMORYINFO
3738 PROCESS_MEMORY_COUNTERS memcounters;
3739 proc = GetCurrentProcess();
3740 memcounters.cb = sizeof(memcounters);
3741 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3742 return memcounters.PeakPagefileUsage;
3748 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3751 const char *p = str;
3758 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3765 static void opt_inter_matrix(const char *arg)
3767 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3768 parse_matrix_coeffs(inter_matrix, arg);
3771 static void opt_intra_matrix(const char *arg)
3773 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3774 parse_matrix_coeffs(intra_matrix, arg);
3777 static void show_usage(void)
3779 printf("Hyper fast Audio and Video encoder\n");
3780 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3784 static void show_help(void)
3787 AVOutputFormat *oformat = NULL;
3788 AVInputFormat *iformat = NULL;
3790 av_log_set_callback(log_callback_help);
3792 show_help_options(options, "Main options:\n",
3793 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3794 show_help_options(options, "\nAdvanced options:\n",
3795 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3797 show_help_options(options, "\nVideo options:\n",
3798 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3800 show_help_options(options, "\nAdvanced Video options:\n",
3801 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3802 OPT_VIDEO | OPT_EXPERT);
3803 show_help_options(options, "\nAudio options:\n",
3804 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3806 show_help_options(options, "\nAdvanced Audio options:\n",
3807 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3808 OPT_AUDIO | OPT_EXPERT);
3809 show_help_options(options, "\nSubtitle options:\n",
3810 OPT_SUBTITLE | OPT_GRAB,
3812 show_help_options(options, "\nAudio/Video grab options:\n",
3816 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3819 /* individual codec options */
3821 while ((c = av_codec_next(c))) {
3822 if (c->priv_class) {
3823 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3828 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3831 /* individual muxer options */
3832 while ((oformat = av_oformat_next(oformat))) {
3833 if (oformat->priv_class) {
3834 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3839 /* individual demuxer options */
3840 while ((iformat = av_iformat_next(iformat))) {
3841 if (iformat->priv_class) {
3842 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3847 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3850 static int opt_target(const char *opt, const char *arg)
3852 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3853 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3855 if(!strncmp(arg, "pal-", 4)) {
3858 } else if(!strncmp(arg, "ntsc-", 5)) {
3861 } else if(!strncmp(arg, "film-", 5)) {
3866 /* Calculate FR via float to avoid int overflow */
3867 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3870 } else if((fr == 29970) || (fr == 23976)) {
3873 /* Try to determine PAL/NTSC by peeking in the input files */
3874 if(nb_input_files) {
3876 for (j = 0; j < nb_input_files; j++) {
3877 for (i = 0; i < input_files[j].ctx->nb_streams; i++) {
3878 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
3879 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3881 fr = c->time_base.den * 1000 / c->time_base.num;
3885 } else if((fr == 29970) || (fr == 23976)) {
3895 if(verbose > 0 && norm != UNKNOWN)
3896 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3899 if(norm == UNKNOWN) {
3900 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3901 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3902 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3906 if(!strcmp(arg, "vcd")) {
3907 opt_codec("c:v", "mpeg1video");
3908 opt_codec("c:a", "mp2");
3909 opt_format("f", "vcd");
3911 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
3912 opt_frame_rate("r", frame_rates[norm]);
3913 opt_default("g", norm == PAL ? "15" : "18");
3915 opt_default("b", "1150000");
3916 opt_default("maxrate", "1150000");
3917 opt_default("minrate", "1150000");
3918 opt_default("bufsize", "327680"); // 40*1024*8;
3920 opt_default("b:a", "224000");
3921 audio_sample_rate = 44100;
3924 opt_default("packetsize", "2324");
3925 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3927 /* We have to offset the PTS, so that it is consistent with the SCR.
3928 SCR starts at 36000, but the first two packs contain only padding
3929 and the first pack from the other stream, respectively, may also have
3930 been written before.
3931 So the real data starts at SCR 36000+3*1200. */
3932 mux_preload= (36000+3*1200) / 90000.0; //0.44
3933 } else if(!strcmp(arg, "svcd")) {
3935 opt_codec("c:v", "mpeg2video");
3936 opt_codec("c:a", "mp2");
3937 opt_format("f", "svcd");
3939 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
3940 opt_frame_rate("r", frame_rates[norm]);
3941 opt_default("g", norm == PAL ? "15" : "18");
3943 opt_default("b", "2040000");
3944 opt_default("maxrate", "2516000");
3945 opt_default("minrate", "0"); //1145000;
3946 opt_default("bufsize", "1835008"); //224*1024*8;
3947 opt_default("flags", "+scan_offset");
3950 opt_default("b:a", "224000");
3951 audio_sample_rate = 44100;
3953 opt_default("packetsize", "2324");
3955 } else if(!strcmp(arg, "dvd")) {
3957 opt_codec("c:v", "mpeg2video");
3958 opt_codec("c:a", "ac3");
3959 opt_format("f", "dvd");
3961 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
3962 opt_frame_rate("r", frame_rates[norm]);
3963 opt_default("g", norm == PAL ? "15" : "18");
3965 opt_default("b", "6000000");
3966 opt_default("maxrate", "9000000");
3967 opt_default("minrate", "0"); //1500000;
3968 opt_default("bufsize", "1835008"); //224*1024*8;
3970 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3971 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3973 opt_default("b:a", "448000");
3974 audio_sample_rate = 48000;
3976 } else if(!strncmp(arg, "dv", 2)) {
3978 opt_format("f", "dv");
3980 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
3981 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
3982 norm == PAL ? "yuv420p" : "yuv411p");
3983 opt_frame_rate("r", frame_rates[norm]);
3985 audio_sample_rate = 48000;
3989 fprintf(stderr, "Unknown target: %s\n", arg);
3990 return AVERROR(EINVAL);
3995 static int opt_vstats_file(const char *opt, const char *arg)
3997 av_free (vstats_filename);
3998 vstats_filename=av_strdup (arg);
4002 static int opt_vstats(const char *opt, const char *arg)
4005 time_t today2 = time(NULL);
4006 struct tm *today = localtime(&today2);
4008 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4010 return opt_vstats_file(opt, filename);
4013 static int opt_bsf(const char *opt, const char *arg)
4015 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4016 AVBitStreamFilterContext **bsfp;
4019 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4023 bsfp= *opt == 'v' ? &video_bitstream_filters :
4024 *opt == 'a' ? &audio_bitstream_filters :
4025 &subtitle_bitstream_filters;
4027 bsfp= &(*bsfp)->next;
4034 static const OptionDef options[] = {
4036 #include "cmdutils_common_opts.h"
4037 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4038 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4039 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4040 { "c", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4041 { "codec", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4042 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4043 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4044 "outfile[,metadata]:infile[,metadata]" },
4045 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&chapters_input_file}, "set chapters mapping", "input_file_index" },
4046 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4047 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4048 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4049 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4050 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "scale" },
4051 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4052 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4053 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4054 "add timings for benchmarking" },
4055 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4056 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4057 "dump each input packet" },
4058 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4059 "when dumping packets, also dump the payload" },
4060 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4061 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4062 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4063 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4064 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4065 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4066 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4067 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4068 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4069 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4070 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4071 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4072 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4073 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4076 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4077 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4078 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4079 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4080 { "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" },
4081 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4082 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4083 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4084 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4085 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4086 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4087 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4088 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4089 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4090 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4091 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4092 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4093 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4094 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4095 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
4096 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4097 "use same quantizer as source (implies VBR)" },
4098 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4099 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4100 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4101 "deinterlace pictures" },
4102 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4103 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4104 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4106 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4108 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4109 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4110 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4111 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4112 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4113 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4114 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4115 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4116 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4117 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4120 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4121 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4122 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4123 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4124 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4125 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4126 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4127 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4128 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4129 { "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" },
4131 /* subtitle options */
4132 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4133 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4134 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4135 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4138 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4141 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4142 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4144 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4145 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4146 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4148 /* data codec support */
4149 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4151 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4155 int main(int argc, char **argv)
4159 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4161 avcodec_register_all();
4163 avdevice_register_all();
4166 avfilter_register_all();
4170 avio_set_interrupt_cb(decode_interrupt_cb);
4177 parse_options(argc, argv, options, opt_output_file);
4179 if(nb_output_files <= 0 && nb_input_files == 0) {
4181 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4185 /* file converter / grab */
4186 if (nb_output_files <= 0) {
4187 fprintf(stderr, "At least one output file must be specified\n");
4191 if (nb_input_files == 0) {
4192 fprintf(stderr, "At least one input file must be specified\n");
4197 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4199 ti = getutime() - ti;
4201 int maxrss = getmaxrss() / 1024;
4202 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4205 return exit_program(0);