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 = UINT64_MAX;
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 */
242 int nb_streams; /* number of stream that avconv is aware of; may be different
243 from ctx.nb_streams if new streams appear during av_read_frame() */
246 typedef struct OutputStream {
247 int file_index; /* file index */
248 int index; /* stream index in the output file */
249 int source_index; /* InputStream index */
250 AVStream *st; /* stream in the output file */
251 int encoding_needed; /* true if encoding needed for this stream */
253 /* input pts and corresponding output pts
255 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
256 struct InputStream *sync_ist; /* input stream to sync against */
257 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
258 AVBitStreamFilterContext *bitstream_filters;
263 AVFrame pict_tmp; /* temporary image for resampling */
264 struct SwsContext *img_resample_ctx; /* for image resampling */
267 int resample_pix_fmt;
268 AVRational frame_rate;
270 float frame_aspect_ratio;
272 /* forced key frames */
273 int64_t *forced_kf_pts;
279 ReSampleContext *resample; /* for audio resampling */
280 int resample_sample_fmt;
281 int resample_channels;
282 int resample_sample_rate;
284 AVAudioConvert *reformat_ctx;
285 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
289 AVFilterContext *output_video_filter;
290 AVFilterContext *input_video_filter;
291 AVFilterBufferRef *picref;
293 AVFilterGraph *graph;
298 int is_past_recording_time;
302 typedef struct OutputFile {
303 AVFormatContext *ctx;
305 int ost_index; /* index of the first stream in output_streams */
306 int64_t recording_time; /* desired length of the resulting file in microseconds */
307 int64_t start_time; /* start time in microseconds */
308 uint64_t limit_filesize;
311 static InputStream *input_streams = NULL;
312 static int nb_input_streams = 0;
313 static InputFile *input_files = NULL;
314 static int nb_input_files = 0;
316 static OutputStream *output_streams = NULL;
317 static int nb_output_streams = 0;
318 static OutputFile *output_files = NULL;
319 static int nb_output_files = 0;
323 static int configure_video_filters(InputStream *ist, OutputStream *ost)
325 AVFilterContext *last_filter, *filter;
326 /** filter graph containing all filters including input & output */
327 AVCodecContext *codec = ost->st->codec;
328 AVCodecContext *icodec = ist->st->codec;
329 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
330 AVRational sample_aspect_ratio;
334 ost->graph = avfilter_graph_alloc();
336 if (ist->st->sample_aspect_ratio.num){
337 sample_aspect_ratio = ist->st->sample_aspect_ratio;
339 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
341 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
342 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
343 sample_aspect_ratio.num, sample_aspect_ratio.den);
345 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
346 "src", args, NULL, ost->graph);
349 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
350 "out", NULL, &ffsink_ctx, ost->graph);
353 last_filter = ost->input_video_filter;
355 if (codec->width != icodec->width || codec->height != icodec->height) {
356 snprintf(args, 255, "%d:%d:flags=0x%X",
360 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
361 NULL, args, NULL, ost->graph)) < 0)
363 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
365 last_filter = filter;
368 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
369 ost->graph->scale_sws_opts = av_strdup(args);
372 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
373 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
375 outputs->name = av_strdup("in");
376 outputs->filter_ctx = last_filter;
377 outputs->pad_idx = 0;
378 outputs->next = NULL;
380 inputs->name = av_strdup("out");
381 inputs->filter_ctx = ost->output_video_filter;
385 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
387 av_freep(&ost->avfilter);
389 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
393 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
396 codec->width = ost->output_video_filter->inputs[0]->w;
397 codec->height = ost->output_video_filter->inputs[0]->h;
398 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
399 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
400 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
401 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
405 #endif /* CONFIG_AVFILTER */
407 static void term_exit(void)
409 av_log(NULL, AV_LOG_QUIET, "");
412 static volatile int received_sigterm = 0;
413 static volatile int received_nb_signals = 0;
416 sigterm_handler(int sig)
418 received_sigterm = sig;
419 received_nb_signals++;
423 static void term_init(void)
425 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
426 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
428 signal(SIGXCPU, sigterm_handler);
432 static int decode_interrupt_cb(void)
434 return received_nb_signals > 1;
437 static int exit_program(int ret)
442 for(i=0;i<nb_output_files;i++) {
443 AVFormatContext *s = output_files[i].ctx;
444 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
446 avformat_free_context(s);
447 av_dict_free(&output_files[i].opts);
449 for(i=0;i<nb_input_files;i++) {
450 av_close_input_file(input_files[i].ctx);
452 for (i = 0; i < nb_input_streams; i++)
453 av_dict_free(&input_streams[i].opts);
455 av_free(intra_matrix);
456 av_free(inter_matrix);
460 av_free(vstats_filename);
462 av_free(meta_data_maps);
464 av_freep(&input_streams);
465 av_freep(&input_files);
466 av_freep(&output_streams);
467 av_freep(&output_files);
472 allocated_audio_buf_size= allocated_audio_out_size= 0;
479 if (received_sigterm) {
481 "Received signal %d: terminating.\n",
482 (int) received_sigterm);
486 exit(ret); /* not all OS-es handle main() return value */
490 static void assert_avoptions(AVDictionary *m)
492 AVDictionaryEntry *t;
493 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
494 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
499 static void assert_codec_experimental(AVCodecContext *c, int encoder)
501 const char *codec_string = encoder ? "encoder" : "decoder";
503 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
504 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
505 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
506 "results.\nAdd '-strict experimental' if you want to use it.\n",
507 codec_string, c->codec->name);
508 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
509 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
510 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
511 codec_string, codec->name);
516 /* similar to ff_dynarray_add() and av_fast_realloc() */
517 static void *grow_array(void *array, int elem_size, int *size, int new_size)
519 if (new_size >= INT_MAX / elem_size) {
520 fprintf(stderr, "Array too big.\n");
523 if (*size < new_size) {
524 uint8_t *tmp = av_realloc(array, new_size*elem_size);
526 fprintf(stderr, "Could not alloc buffer.\n");
529 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
536 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
538 if(codec && codec->sample_fmts){
539 const enum AVSampleFormat *p= codec->sample_fmts;
541 if(*p == st->codec->sample_fmt)
545 av_log(NULL, AV_LOG_WARNING,
546 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
547 av_get_sample_fmt_name(st->codec->sample_fmt),
549 av_get_sample_fmt_name(codec->sample_fmts[0]));
550 st->codec->sample_fmt = codec->sample_fmts[0];
556 * Update the requested input sample format based on the output sample format.
557 * This is currently only used to request float output from decoders which
558 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
559 * Ideally this will be removed in the future when decoders do not do format
560 * conversion and only output in their native format.
562 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
565 /* if sample formats match or a decoder sample format has already been
566 requested, just return */
567 if (enc->sample_fmt == dec->sample_fmt ||
568 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
571 /* if decoder supports more than one output format */
572 if (dec_codec && dec_codec->sample_fmts &&
573 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
574 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
575 const enum AVSampleFormat *p;
576 int min_dec = -1, min_inc = -1;
578 /* find a matching sample format in the encoder */
579 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
580 if (*p == enc->sample_fmt) {
581 dec->request_sample_fmt = *p;
583 } else if (*p > enc->sample_fmt) {
584 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
586 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
589 /* if none match, provide the one that matches quality closest */
590 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
591 enc->sample_fmt - min_dec;
595 static void choose_sample_rate(AVStream *st, AVCodec *codec)
597 if(codec && codec->supported_samplerates){
598 const int *p= codec->supported_samplerates;
600 int best_dist=INT_MAX;
602 int dist= abs(st->codec->sample_rate - *p);
603 if(dist < best_dist){
609 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
611 st->codec->sample_rate= best;
615 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
617 if(codec && codec->pix_fmts){
618 const enum PixelFormat *p= codec->pix_fmts;
619 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
620 if(st->codec->codec_id==CODEC_ID_MJPEG){
621 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
622 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
623 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};
627 if(*p == st->codec->pix_fmt)
631 if(st->codec->pix_fmt != PIX_FMT_NONE)
632 av_log(NULL, AV_LOG_WARNING,
633 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
634 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
636 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
637 st->codec->pix_fmt = codec->pix_fmts[0];
643 get_sync_ipts(const OutputStream *ost)
645 const InputStream *ist = ost->sync_ist;
646 OutputFile *of = &output_files[ost->file_index];
647 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
650 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
654 AVPacket new_pkt= *pkt;
655 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
656 &new_pkt.data, &new_pkt.size,
657 pkt->data, pkt->size,
658 pkt->flags & AV_PKT_FLAG_KEY);
661 new_pkt.destruct= av_destruct_packet;
663 fprintf(stderr, "%s failed for stream %d, codec %s",
664 bsfc->filter->name, pkt->stream_index,
665 avctx->codec ? avctx->codec->name : "copy");
675 ret= av_interleaved_write_frame(s, pkt);
677 print_error("av_interleaved_write_frame()", ret);
682 static void do_audio_out(AVFormatContext *s,
685 unsigned char *buf, int size)
688 int64_t audio_out_size, audio_buf_size;
689 int64_t allocated_for_size= size;
691 int size_out, frame_bytes, ret, resample_changed;
692 AVCodecContext *enc= ost->st->codec;
693 AVCodecContext *dec= ist->st->codec;
694 int osize = av_get_bytes_per_sample(enc->sample_fmt);
695 int isize = av_get_bytes_per_sample(dec->sample_fmt);
696 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
699 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
700 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
701 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
702 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
703 audio_buf_size*= osize*enc->channels;
705 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
706 if(coded_bps > 8*osize)
707 audio_out_size= audio_out_size * coded_bps / (8*osize);
708 audio_out_size += FF_MIN_BUFFER_SIZE;
710 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
711 fprintf(stderr, "Buffer sizes too large\n");
715 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
716 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
717 if (!audio_buf || !audio_out){
718 fprintf(stderr, "Out of memory in do_audio_out\n");
722 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
723 ost->audio_resample = 1;
725 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
726 ost->resample_channels != dec->channels ||
727 ost->resample_sample_rate != dec->sample_rate;
729 if ((ost->audio_resample && !ost->resample) || resample_changed) {
730 if (resample_changed) {
731 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",
732 ist->file_index, ist->st->index,
733 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
734 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
735 ost->resample_sample_fmt = dec->sample_fmt;
736 ost->resample_channels = dec->channels;
737 ost->resample_sample_rate = dec->sample_rate;
739 audio_resample_close(ost->resample);
741 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
742 if (audio_sync_method <= 1 &&
743 ost->resample_sample_fmt == enc->sample_fmt &&
744 ost->resample_channels == enc->channels &&
745 ost->resample_sample_rate == enc->sample_rate) {
746 ost->resample = NULL;
747 ost->audio_resample = 0;
748 } else if (ost->audio_resample) {
749 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
750 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
751 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
752 enc->sample_rate, dec->sample_rate,
753 enc->sample_fmt, dec->sample_fmt,
755 if (!ost->resample) {
756 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
757 dec->channels, dec->sample_rate,
758 enc->channels, enc->sample_rate);
764 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
765 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
766 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
767 if (ost->reformat_ctx)
768 av_audio_convert_free(ost->reformat_ctx);
769 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
770 dec->sample_fmt, 1, NULL, 0);
771 if (!ost->reformat_ctx) {
772 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
773 av_get_sample_fmt_name(dec->sample_fmt),
774 av_get_sample_fmt_name(enc->sample_fmt));
777 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
780 if(audio_sync_method){
781 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
782 - av_fifo_size(ost->fifo)/(enc->channels * 2);
783 double idelta= delta*dec->sample_rate / enc->sample_rate;
784 int byte_delta= ((int)idelta)*2*dec->channels;
786 //FIXME resample delay
787 if(fabs(delta) > 50){
788 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
790 byte_delta= FFMAX(byte_delta, -size);
794 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
799 static uint8_t *input_tmp= NULL;
800 input_tmp= av_realloc(input_tmp, byte_delta + size);
802 if(byte_delta > allocated_for_size - size){
803 allocated_for_size= byte_delta + (int64_t)size;
808 memset(input_tmp, 0, byte_delta);
809 memcpy(input_tmp + byte_delta, buf, size);
813 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
815 }else if(audio_sync_method>1){
816 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
817 av_assert0(ost->audio_resample);
819 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
820 // 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));
821 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
825 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
826 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
828 if (ost->audio_resample) {
830 size_out = audio_resample(ost->resample,
831 (short *)buftmp, (short *)buf,
832 size / (dec->channels * isize));
833 size_out = size_out * enc->channels * osize;
839 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
840 const void *ibuf[6]= {buftmp};
841 void *obuf[6]= {audio_buf};
842 int istride[6]= {isize};
843 int ostride[6]= {osize};
844 int len= size_out/istride[0];
845 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
846 printf("av_audio_convert() failed\n");
852 size_out = len*osize;
855 /* now encode as many frames as possible */
856 if (enc->frame_size > 1) {
857 /* output resampled raw samples */
858 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
859 fprintf(stderr, "av_fifo_realloc2() failed\n");
862 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
864 frame_bytes = enc->frame_size * osize * enc->channels;
866 while (av_fifo_size(ost->fifo) >= frame_bytes) {
868 av_init_packet(&pkt);
870 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
872 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
874 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
877 fprintf(stderr, "Audio encoding failed\n");
881 pkt.stream_index= ost->index;
884 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
885 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
886 pkt.flags |= AV_PKT_FLAG_KEY;
887 write_frame(s, &pkt, enc, ost->bitstream_filters);
889 ost->sync_opts += enc->frame_size;
893 av_init_packet(&pkt);
895 ost->sync_opts += size_out / (osize * enc->channels);
897 /* output a pcm frame */
898 /* determine the size of the coded buffer */
901 size_out = size_out*coded_bps/8;
903 if(size_out > audio_out_size){
904 fprintf(stderr, "Internal error, buffer size too small\n");
908 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
909 ret = avcodec_encode_audio(enc, audio_out, size_out,
912 fprintf(stderr, "Audio encoding failed\n");
916 pkt.stream_index= ost->index;
919 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
920 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
921 pkt.flags |= AV_PKT_FLAG_KEY;
922 write_frame(s, &pkt, enc, ost->bitstream_filters);
926 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
930 AVPicture picture_tmp;
933 dec = ist->st->codec;
935 /* deinterlace : must be done before any resize */
936 if (do_deinterlace) {
939 /* create temporary picture */
940 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
941 buf = av_malloc(size);
945 picture2 = &picture_tmp;
946 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
948 if(avpicture_deinterlace(picture2, picture,
949 dec->pix_fmt, dec->width, dec->height) < 0) {
950 /* if error, do not deinterlace */
951 fprintf(stderr, "Deinterlacing failed\n");
960 if (picture != picture2)
961 *picture = *picture2;
965 static void do_subtitle_out(AVFormatContext *s,
971 static uint8_t *subtitle_out = NULL;
972 int subtitle_out_max_size = 1024 * 1024;
973 int subtitle_out_size, nb, i;
977 if (pts == AV_NOPTS_VALUE) {
978 fprintf(stderr, "Subtitle packets must have a pts\n");
984 enc = ost->st->codec;
987 subtitle_out = av_malloc(subtitle_out_max_size);
990 /* Note: DVB subtitle need one packet to draw them and one other
991 packet to clear them */
992 /* XXX: signal it in the codec context ? */
993 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
998 for(i = 0; i < nb; i++) {
999 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1000 // start_display_time is required to be 0
1001 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1002 sub->end_display_time -= sub->start_display_time;
1003 sub->start_display_time = 0;
1004 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1005 subtitle_out_max_size, sub);
1006 if (subtitle_out_size < 0) {
1007 fprintf(stderr, "Subtitle encoding failed\n");
1011 av_init_packet(&pkt);
1012 pkt.stream_index = ost->index;
1013 pkt.data = subtitle_out;
1014 pkt.size = subtitle_out_size;
1015 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1016 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1017 /* XXX: the pts correction is handled here. Maybe handling
1018 it in the codec would be better */
1020 pkt.pts += 90 * sub->start_display_time;
1022 pkt.pts += 90 * sub->end_display_time;
1024 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1028 static int bit_buffer_size= 1024*256;
1029 static uint8_t *bit_buffer= NULL;
1031 static void do_video_resample(OutputStream *ost,
1033 AVFrame *in_picture,
1034 AVFrame **out_picture)
1036 int resample_changed = 0;
1037 AVCodecContext *dec = ist->st->codec;
1038 *out_picture = in_picture;
1040 resample_changed = ost->resample_width != dec->width ||
1041 ost->resample_height != dec->height ||
1042 ost->resample_pix_fmt != dec->pix_fmt;
1044 if (resample_changed) {
1045 av_log(NULL, AV_LOG_INFO,
1046 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1047 ist->file_index, ist->st->index,
1048 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1049 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1050 if(!ost->video_resample)
1051 ost->video_resample = 1;
1054 #if !CONFIG_AVFILTER
1055 if (ost->video_resample) {
1056 *out_picture = &ost->pict_tmp;
1057 if (resample_changed) {
1058 /* initialize a new scaler context */
1059 sws_freeContext(ost->img_resample_ctx);
1060 ost->img_resample_ctx = sws_getContext(
1061 ist->st->codec->width,
1062 ist->st->codec->height,
1063 ist->st->codec->pix_fmt,
1064 ost->st->codec->width,
1065 ost->st->codec->height,
1066 ost->st->codec->pix_fmt,
1067 ost->sws_flags, NULL, NULL, NULL);
1068 if (ost->img_resample_ctx == NULL) {
1069 fprintf(stderr, "Cannot get resampling context\n");
1073 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1074 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1077 if (resample_changed) {
1078 avfilter_graph_free(&ost->graph);
1079 if (configure_video_filters(ist, ost)) {
1080 fprintf(stderr, "Error reinitializing filters!\n");
1085 if (resample_changed) {
1086 ost->resample_width = dec->width;
1087 ost->resample_height = dec->height;
1088 ost->resample_pix_fmt = dec->pix_fmt;
1093 static void do_video_out(AVFormatContext *s,
1096 AVFrame *in_picture,
1097 int *frame_size, float quality)
1099 int nb_frames, i, ret, format_video_sync;
1100 AVFrame *final_picture;
1101 AVCodecContext *enc, *dec;
1104 enc = ost->st->codec;
1105 dec = ist->st->codec;
1107 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1109 /* by default, we output a single frame */
1114 format_video_sync = video_sync_method;
1115 if (format_video_sync < 0)
1116 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1118 if (format_video_sync) {
1119 double vdelta = sync_ipts - ost->sync_opts;
1120 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1123 else if (format_video_sync == 2) {
1126 }else if(vdelta>0.6)
1127 ost->sync_opts= lrintf(sync_ipts);
1128 }else if (vdelta > 1.1)
1129 nb_frames = lrintf(vdelta);
1130 //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);
1131 if (nb_frames == 0){
1134 fprintf(stderr, "*** drop!\n");
1135 }else if (nb_frames > 1) {
1136 nb_frames_dup += nb_frames - 1;
1138 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1141 ost->sync_opts= lrintf(sync_ipts);
1143 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1147 do_video_resample(ost, ist, in_picture, &final_picture);
1149 /* duplicates frame if needed */
1150 for(i=0;i<nb_frames;i++) {
1152 av_init_packet(&pkt);
1153 pkt.stream_index= ost->index;
1155 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1156 /* raw pictures are written as AVPicture structure to
1157 avoid any copies. We support temporarily the older
1159 AVFrame* old_frame = enc->coded_frame;
1160 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1161 pkt.data= (uint8_t *)final_picture;
1162 pkt.size= sizeof(AVPicture);
1163 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1164 pkt.flags |= AV_PKT_FLAG_KEY;
1166 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1167 enc->coded_frame = old_frame;
1169 AVFrame big_picture;
1171 big_picture= *final_picture;
1172 /* better than nothing: use input picture interlaced
1174 big_picture.interlaced_frame = in_picture->interlaced_frame;
1175 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1176 if(top_field_first == -1)
1177 big_picture.top_field_first = in_picture->top_field_first;
1179 big_picture.top_field_first = top_field_first;
1182 /* handles same_quant here. This is not correct because it may
1183 not be a global option */
1184 big_picture.quality = quality;
1186 big_picture.pict_type = 0;
1187 // big_picture.pts = AV_NOPTS_VALUE;
1188 big_picture.pts= ost->sync_opts;
1189 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1190 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1191 if (ost->forced_kf_index < ost->forced_kf_count &&
1192 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1193 big_picture.pict_type = AV_PICTURE_TYPE_I;
1194 ost->forced_kf_index++;
1196 ret = avcodec_encode_video(enc,
1197 bit_buffer, bit_buffer_size,
1200 fprintf(stderr, "Video encoding failed\n");
1205 pkt.data= bit_buffer;
1207 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1208 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1209 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1210 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1211 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1213 if(enc->coded_frame->key_frame)
1214 pkt.flags |= AV_PKT_FLAG_KEY;
1215 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1218 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1219 // enc->frame_number-1, ret, enc->pict_type);
1220 /* if two pass, output log */
1221 if (ost->logfile && enc->stats_out) {
1222 fprintf(ost->logfile, "%s", enc->stats_out);
1227 ost->frame_number++;
1231 static double psnr(double d){
1232 return -10.0*log(d)/log(10.0);
1235 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1238 AVCodecContext *enc;
1240 double ti1, bitrate, avg_bitrate;
1242 /* this is executed just the first time do_video_stats is called */
1244 vstats_file = fopen(vstats_filename, "w");
1251 enc = ost->st->codec;
1252 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1253 frame_number = ost->frame_number;
1254 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1255 if (enc->flags&CODEC_FLAG_PSNR)
1256 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1258 fprintf(vstats_file,"f_size= %6d ", frame_size);
1259 /* compute pts value */
1260 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1264 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1265 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1266 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1267 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1268 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1272 static void print_report(OutputFile *output_files,
1273 OutputStream *ost_table, int nb_ostreams,
1274 int is_last_report, int64_t timer_start)
1278 AVFormatContext *oc;
1280 AVCodecContext *enc;
1281 int frame_number, vid, i;
1282 double bitrate, ti1, pts;
1283 static int64_t last_time = -1;
1284 static int qp_histogram[52];
1286 if (!is_last_report) {
1288 /* display the report every 0.5 seconds */
1289 cur_time = av_gettime();
1290 if (last_time == -1) {
1291 last_time = cur_time;
1294 if ((cur_time - last_time) < 500000)
1296 last_time = cur_time;
1300 oc = output_files[0].ctx;
1302 total_size = avio_size(oc->pb);
1303 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1304 total_size= avio_tell(oc->pb);
1309 for(i=0;i<nb_ostreams;i++) {
1311 ost = &ost_table[i];
1312 enc = ost->st->codec;
1313 if (!ost->st->stream_copy && enc->coded_frame)
1314 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1315 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1316 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1318 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1319 float t = (av_gettime()-timer_start) / 1000000.0;
1321 frame_number = ost->frame_number;
1322 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1323 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1325 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1329 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1332 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1334 if (enc->flags&CODEC_FLAG_PSNR){
1336 double error, error_sum=0;
1337 double scale, scale_sum=0;
1338 char type[3]= {'Y','U','V'};
1339 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1342 error= enc->error[j];
1343 scale= enc->width*enc->height*255.0*255.0*frame_number;
1345 error= enc->coded_frame->error[j];
1346 scale= enc->width*enc->height*255.0*255.0;
1351 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1353 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1357 /* compute min output value */
1358 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1359 if ((pts < ti1) && (pts > 0))
1365 if (verbose > 0 || is_last_report) {
1366 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1368 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1369 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1370 (double)total_size / 1024, ti1, bitrate);
1372 if (nb_frames_dup || nb_frames_drop)
1373 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1374 nb_frames_dup, nb_frames_drop);
1377 fprintf(stderr, "%s \r", buf);
1382 if (is_last_report && verbose >= 0){
1383 int64_t raw= audio_size + video_size + extra_size;
1384 fprintf(stderr, "\n");
1385 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1389 100.0*(total_size - raw)/raw
1394 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1396 int fill_char = 0x00;
1397 if (sample_fmt == AV_SAMPLE_FMT_U8)
1399 memset(buf, fill_char, size);
1402 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1406 for (i = 0; i < nb_ostreams; i++) {
1407 OutputStream *ost = &ost_table[i];
1408 AVCodecContext *enc = ost->st->codec;
1409 AVFormatContext *os = output_files[ost->file_index].ctx;
1411 if (!ost->encoding_needed)
1414 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1416 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1422 av_init_packet(&pkt);
1423 pkt.stream_index= ost->index;
1425 switch (ost->st->codec->codec_type) {
1426 case AVMEDIA_TYPE_AUDIO:
1427 fifo_bytes = av_fifo_size(ost->fifo);
1429 /* encode any samples remaining in fifo */
1430 if (fifo_bytes > 0) {
1431 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1432 int fs_tmp = enc->frame_size;
1434 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1435 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1436 enc->frame_size = fifo_bytes / (osize * enc->channels);
1438 int frame_bytes = enc->frame_size*osize*enc->channels;
1439 if (allocated_audio_buf_size < frame_bytes)
1441 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1444 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1445 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1446 ost->st->time_base.num, enc->sample_rate);
1447 enc->frame_size = fs_tmp;
1450 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1453 fprintf(stderr, "Audio encoding failed\n");
1457 pkt.flags |= AV_PKT_FLAG_KEY;
1459 case AVMEDIA_TYPE_VIDEO:
1460 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1462 fprintf(stderr, "Video encoding failed\n");
1466 if(enc->coded_frame && enc->coded_frame->key_frame)
1467 pkt.flags |= AV_PKT_FLAG_KEY;
1468 if (ost->logfile && enc->stats_out) {
1469 fprintf(ost->logfile, "%s", enc->stats_out);
1478 pkt.data = bit_buffer;
1480 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1481 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1482 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1487 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1488 static int output_packet(InputStream *ist, int ist_index,
1489 OutputStream *ost_table, int nb_ostreams,
1490 const AVPacket *pkt)
1492 AVFormatContext *os;
1497 void *buffer_to_free = NULL;
1498 static unsigned int samples_size= 0;
1499 AVSubtitle subtitle, *subtitle_to_free;
1500 int64_t pkt_pts = AV_NOPTS_VALUE;
1502 int frame_available;
1507 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1509 if(ist->next_pts == AV_NOPTS_VALUE)
1510 ist->next_pts= ist->pts;
1514 av_init_packet(&avpkt);
1522 if(pkt->dts != AV_NOPTS_VALUE)
1523 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1524 if(pkt->pts != AV_NOPTS_VALUE)
1525 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1527 //while we have more to decode or while the decoder did output something on EOF
1528 while (avpkt.size > 0 || (!pkt && got_output)) {
1529 uint8_t *data_buf, *decoded_data_buf;
1530 int data_size, decoded_data_size;
1532 ist->pts= ist->next_pts;
1534 if(avpkt.size && avpkt.size != pkt->size &&
1535 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1536 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1537 ist->showed_multi_packet_warning=1;
1540 /* decode the packet if needed */
1541 decoded_data_buf = NULL; /* fail safe */
1542 decoded_data_size= 0;
1543 data_buf = avpkt.data;
1544 data_size = avpkt.size;
1545 subtitle_to_free = NULL;
1546 if (ist->decoding_needed) {
1547 switch(ist->st->codec->codec_type) {
1548 case AVMEDIA_TYPE_AUDIO:{
1549 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1550 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1552 samples= av_malloc(samples_size);
1554 decoded_data_size= samples_size;
1555 /* XXX: could avoid copy if PCM 16 bits with same
1556 endianness as CPU */
1557 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1564 got_output = decoded_data_size > 0;
1565 /* Some bug in mpeg audio decoder gives */
1566 /* decoded_data_size < 0, it seems they are overflows */
1568 /* no audio frame */
1571 decoded_data_buf = (uint8_t *)samples;
1572 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1573 (ist->st->codec->sample_rate * ist->st->codec->channels);
1575 case AVMEDIA_TYPE_VIDEO:
1576 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1577 /* XXX: allocate picture correctly */
1578 avcodec_get_frame_defaults(&picture);
1579 avpkt.pts = pkt_pts;
1580 avpkt.dts = ist->pts;
1581 pkt_pts = AV_NOPTS_VALUE;
1583 ret = avcodec_decode_video2(ist->st->codec,
1584 &picture, &got_output, &avpkt);
1585 quality = same_quant ? picture.quality : 0;
1589 /* no picture yet */
1590 goto discard_packet;
1592 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1593 if (ist->st->codec->time_base.num != 0) {
1594 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1595 ist->next_pts += ((int64_t)AV_TIME_BASE *
1596 ist->st->codec->time_base.num * ticks) /
1597 ist->st->codec->time_base.den;
1600 buffer_to_free = NULL;
1601 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1603 case AVMEDIA_TYPE_SUBTITLE:
1604 ret = avcodec_decode_subtitle2(ist->st->codec,
1605 &subtitle, &got_output, &avpkt);
1609 goto discard_packet;
1611 subtitle_to_free = &subtitle;
1618 switch(ist->st->codec->codec_type) {
1619 case AVMEDIA_TYPE_AUDIO:
1620 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1621 ist->st->codec->sample_rate;
1623 case AVMEDIA_TYPE_VIDEO:
1624 if (ist->st->codec->time_base.num != 0) {
1625 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1626 ist->next_pts += ((int64_t)AV_TIME_BASE *
1627 ist->st->codec->time_base.num * ticks) /
1628 ist->st->codec->time_base.den;
1635 // preprocess audio (volume)
1636 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1637 if (audio_volume != 256) {
1640 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1641 int v = ((*volp) * audio_volume + 128) >> 8;
1642 *volp++ = av_clip_int16(v);
1647 /* frame rate emulation */
1649 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1650 int64_t now = av_gettime() - ist->start;
1654 /* if output time reached then transcode raw format,
1655 encode packets and output them */
1656 for (i = 0; i < nb_ostreams; i++) {
1657 OutputFile *of = &output_files[ost_table[i].file_index];
1660 ost = &ost_table[i];
1661 if (ost->source_index != ist_index)
1664 if (of->start_time && ist->pts < of->start_time)
1667 if (of->recording_time != INT64_MAX &&
1668 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1669 (AVRational){1, 1000000}) >= 0) {
1670 ost->is_past_recording_time = 1;
1675 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1676 ost->input_video_filter) {
1678 if (ist->st->sample_aspect_ratio.num)
1679 sar = ist->st->sample_aspect_ratio;
1681 sar = ist->st->codec->sample_aspect_ratio;
1682 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, ist->pts, sar);
1684 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1685 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1686 while (frame_available) {
1687 AVRational ist_pts_tb;
1688 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1689 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1691 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1693 os = output_files[ost->file_index].ctx;
1695 /* set the input output pts pairs */
1696 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1698 if (ost->encoding_needed) {
1699 av_assert0(ist->decoding_needed);
1700 switch(ost->st->codec->codec_type) {
1701 case AVMEDIA_TYPE_AUDIO:
1702 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1704 case AVMEDIA_TYPE_VIDEO:
1706 if (ost->picref->video && !ost->frame_aspect_ratio)
1707 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1709 do_video_out(os, ost, ist, &picture, &frame_size,
1710 same_quant ? quality : ost->st->codec->global_quality);
1711 if (vstats_filename && frame_size)
1712 do_video_stats(os, ost, frame_size);
1714 case AVMEDIA_TYPE_SUBTITLE:
1715 do_subtitle_out(os, ost, ist, &subtitle,
1722 AVFrame avframe; //FIXME/XXX remove this
1724 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1726 av_init_packet(&opkt);
1728 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1729 #if !CONFIG_AVFILTER
1735 /* no reencoding needed : output the packet directly */
1736 /* force the input stream PTS */
1738 avcodec_get_frame_defaults(&avframe);
1739 ost->st->codec->coded_frame= &avframe;
1740 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1742 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1743 audio_size += data_size;
1744 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1745 video_size += data_size;
1749 opkt.stream_index= ost->index;
1750 if(pkt->pts != AV_NOPTS_VALUE)
1751 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1753 opkt.pts= AV_NOPTS_VALUE;
1755 if (pkt->dts == AV_NOPTS_VALUE)
1756 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1758 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1759 opkt.dts -= ost_tb_start_time;
1761 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1762 opkt.flags= pkt->flags;
1764 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1765 if( ost->st->codec->codec_id != CODEC_ID_H264
1766 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1767 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1769 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1770 opkt.destruct= av_destruct_packet;
1772 opkt.data = data_buf;
1773 opkt.size = data_size;
1776 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1777 ost->st->codec->frame_number++;
1778 ost->frame_number++;
1779 av_free_packet(&opkt);
1783 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1784 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1786 avfilter_unref_buffer(ost->picref);
1791 av_free(buffer_to_free);
1792 /* XXX: allocate the subtitles in the codec ? */
1793 if (subtitle_to_free) {
1794 avsubtitle_free(subtitle_to_free);
1795 subtitle_to_free = NULL;
1803 static void print_sdp(OutputFile *output_files, int n)
1807 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1811 for (i = 0; i < n; i++)
1812 avc[i] = output_files[i].ctx;
1814 av_sdp_create(avc, n, sdp, sizeof(sdp));
1815 printf("SDP:\n%s\n", sdp);
1820 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1821 char *error, int error_len)
1824 InputStream *ist = &input_streams[ist_index];
1825 if (ist->decoding_needed) {
1826 AVCodec *codec = ist->dec;
1828 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
1829 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1830 return AVERROR(EINVAL);
1833 /* update requested sample format for the decoder based on the
1834 corresponding encoder sample format */
1835 for (i = 0; i < nb_output_streams; i++) {
1836 OutputStream *ost = &output_streams[i];
1837 if (ost->source_index == ist_index) {
1838 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1843 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1844 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
1845 ist->file_index, ist->st->index);
1846 return AVERROR(EINVAL);
1848 assert_codec_experimental(ist->st->codec, 0);
1849 assert_avoptions(ist->opts);
1852 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;
1853 ist->next_pts = AV_NOPTS_VALUE;
1854 init_pts_correction(&ist->pts_ctx);
1860 static int transcode_init(OutputFile *output_files,
1861 int nb_output_files,
1862 InputFile *input_files,
1866 AVFormatContext *os;
1867 AVCodecContext *codec, *icodec;
1874 for (i = 0; i < nb_input_streams; i++)
1875 input_streams[i].start = av_gettime();
1877 /* output stream init */
1878 for(i=0;i<nb_output_files;i++) {
1879 os = output_files[i].ctx;
1880 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1881 av_dump_format(os, i, os->filename, 1);
1882 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1883 return AVERROR(EINVAL);
1887 /* for each output stream, we compute the right encoding parameters */
1888 for (i = 0; i < nb_output_streams; i++) {
1889 ost = &output_streams[i];
1890 os = output_files[ost->file_index].ctx;
1891 ist = &input_streams[ost->source_index];
1893 codec = ost->st->codec;
1894 icodec = ist->st->codec;
1896 ost->st->disposition = ist->st->disposition;
1897 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1898 codec->chroma_sample_location = icodec->chroma_sample_location;
1900 if (ost->st->stream_copy) {
1901 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1903 if (extra_size > INT_MAX) {
1904 return AVERROR(EINVAL);
1907 /* if stream_copy is selected, no need to decode or encode */
1908 codec->codec_id = icodec->codec_id;
1909 codec->codec_type = icodec->codec_type;
1911 if(!codec->codec_tag){
1912 if( !os->oformat->codec_tag
1913 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1914 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1915 codec->codec_tag = icodec->codec_tag;
1918 codec->bit_rate = icodec->bit_rate;
1919 codec->rc_max_rate = icodec->rc_max_rate;
1920 codec->rc_buffer_size = icodec->rc_buffer_size;
1921 codec->extradata= av_mallocz(extra_size);
1922 if (!codec->extradata) {
1923 return AVERROR(ENOMEM);
1925 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1926 codec->extradata_size= icodec->extradata_size;
1927 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){
1928 codec->time_base = icodec->time_base;
1929 codec->time_base.num *= icodec->ticks_per_frame;
1930 av_reduce(&codec->time_base.num, &codec->time_base.den,
1931 codec->time_base.num, codec->time_base.den, INT_MAX);
1933 codec->time_base = ist->st->time_base;
1934 switch(codec->codec_type) {
1935 case AVMEDIA_TYPE_AUDIO:
1936 if(audio_volume != 256) {
1937 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1940 codec->channel_layout = icodec->channel_layout;
1941 codec->sample_rate = icodec->sample_rate;
1942 codec->channels = icodec->channels;
1943 codec->frame_size = icodec->frame_size;
1944 codec->audio_service_type = icodec->audio_service_type;
1945 codec->block_align= icodec->block_align;
1946 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1947 codec->block_align= 0;
1948 if(codec->codec_id == CODEC_ID_AC3)
1949 codec->block_align= 0;
1951 case AVMEDIA_TYPE_VIDEO:
1952 codec->pix_fmt = icodec->pix_fmt;
1953 codec->width = icodec->width;
1954 codec->height = icodec->height;
1955 codec->has_b_frames = icodec->has_b_frames;
1956 if (!codec->sample_aspect_ratio.num) {
1957 codec->sample_aspect_ratio =
1958 ost->st->sample_aspect_ratio =
1959 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1960 ist->st->codec->sample_aspect_ratio.num ?
1961 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1964 case AVMEDIA_TYPE_SUBTITLE:
1965 codec->width = icodec->width;
1966 codec->height = icodec->height;
1968 case AVMEDIA_TYPE_DATA:
1975 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
1976 switch(codec->codec_type) {
1977 case AVMEDIA_TYPE_AUDIO:
1978 ost->fifo= av_fifo_alloc(1024);
1980 return AVERROR(ENOMEM);
1982 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
1983 if (!codec->sample_rate) {
1984 codec->sample_rate = icodec->sample_rate;
1986 codec->sample_rate >>= icodec->lowres;
1988 choose_sample_rate(ost->st, ost->enc);
1989 codec->time_base = (AVRational){1, codec->sample_rate};
1990 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
1991 codec->sample_fmt = icodec->sample_fmt;
1992 choose_sample_fmt(ost->st, ost->enc);
1993 if (!codec->channels)
1994 codec->channels = icodec->channels;
1995 codec->channel_layout = icodec->channel_layout;
1996 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
1997 codec->channel_layout = 0;
1998 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1999 icodec->request_channels = codec->channels;
2000 ist->decoding_needed = 1;
2001 ost->encoding_needed = 1;
2002 ost->resample_sample_fmt = icodec->sample_fmt;
2003 ost->resample_sample_rate = icodec->sample_rate;
2004 ost->resample_channels = icodec->channels;
2006 case AVMEDIA_TYPE_VIDEO:
2007 if (codec->pix_fmt == PIX_FMT_NONE)
2008 codec->pix_fmt = icodec->pix_fmt;
2009 choose_pixel_fmt(ost->st, ost->enc);
2011 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2012 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2016 if (!codec->width || !codec->height) {
2017 codec->width = icodec->width;
2018 codec->height = icodec->height;
2021 ost->video_resample = codec->width != icodec->width ||
2022 codec->height != icodec->height ||
2023 codec->pix_fmt != icodec->pix_fmt;
2024 if (ost->video_resample) {
2025 #if !CONFIG_AVFILTER
2026 avcodec_get_frame_defaults(&ost->pict_tmp);
2027 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2028 codec->width, codec->height)) {
2029 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2032 ost->img_resample_ctx = sws_getContext(
2039 ost->sws_flags, NULL, NULL, NULL);
2040 if (ost->img_resample_ctx == NULL) {
2041 fprintf(stderr, "Cannot get resampling context\n");
2045 codec->bits_per_raw_sample= 0;
2048 ost->resample_height = icodec->height;
2049 ost->resample_width = icodec->width;
2050 ost->resample_pix_fmt= icodec->pix_fmt;
2051 ost->encoding_needed = 1;
2052 ist->decoding_needed = 1;
2054 if (!ost->frame_rate.num)
2055 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2056 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2057 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2058 ost->frame_rate = ost->enc->supported_framerates[idx];
2060 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2063 if (configure_video_filters(ist, ost)) {
2064 fprintf(stderr, "Error opening filters!\n");
2069 case AVMEDIA_TYPE_SUBTITLE:
2070 ost->encoding_needed = 1;
2071 ist->decoding_needed = 1;
2078 if (ost->encoding_needed &&
2079 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2080 char logfilename[1024];
2083 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2084 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2086 if (codec->flags & CODEC_FLAG_PASS1) {
2087 f = fopen(logfilename, "wb");
2089 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2095 size_t logbuffer_size;
2096 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2097 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2100 codec->stats_in = logbuffer;
2104 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2105 int size= codec->width * codec->height;
2106 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2111 bit_buffer = av_malloc(bit_buffer_size);
2113 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2115 return AVERROR(ENOMEM);
2118 /* open each encoder */
2119 for (i = 0; i < nb_output_streams; i++) {
2120 ost = &output_streams[i];
2121 if (ost->encoding_needed) {
2122 AVCodec *codec = ost->enc;
2123 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2125 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2126 ost->st->codec->codec_id, ost->file_index, ost->index);
2127 ret = AVERROR(EINVAL);
2130 if (dec->subtitle_header) {
2131 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2132 if (!ost->st->codec->subtitle_header) {
2133 ret = AVERROR(ENOMEM);
2136 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2137 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2139 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2140 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2141 ost->file_index, ost->index);
2142 ret = AVERROR(EINVAL);
2145 assert_codec_experimental(ost->st->codec, 1);
2146 assert_avoptions(ost->opts);
2147 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2148 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2149 "It takes bits/s as argument, not kbits/s\n");
2150 extra_size += ost->st->codec->extradata_size;
2154 /* init input streams */
2155 for (i = 0; i < nb_input_streams; i++)
2156 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error)) < 0))
2159 /* open files and write file headers */
2160 for (i = 0; i < nb_output_files; i++) {
2161 os = output_files[i].ctx;
2162 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2163 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2164 ret = AVERROR(EINVAL);
2167 assert_avoptions(output_files[i].opts);
2168 if (strcmp(os->oformat->name, "rtp")) {
2174 /* dump the file output parameters - cannot be done before in case
2176 for(i=0;i<nb_output_files;i++) {
2177 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2180 /* dump the stream mapping */
2182 fprintf(stderr, "Stream mapping:\n");
2183 for (i = 0; i < nb_output_streams;i ++) {
2184 ost = &output_streams[i];
2185 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2186 input_streams[ost->source_index].file_index,
2187 input_streams[ost->source_index].st->index,
2190 if (ost->sync_ist != &input_streams[ost->source_index])
2191 fprintf(stderr, " [sync #%d.%d]",
2192 ost->sync_ist->file_index,
2193 ost->sync_ist->st->index);
2194 if (ost->st->stream_copy)
2195 fprintf(stderr, " (copy)");
2197 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2198 input_streams[ost->source_index].dec->name : "?",
2199 ost->enc ? ost->enc->name : "?");
2200 fprintf(stderr, "\n");
2205 fprintf(stderr, "%s\n", error);
2210 print_sdp(output_files, nb_output_files);
2217 * The following code is the main loop of the file converter
2219 static int transcode(OutputFile *output_files,
2220 int nb_output_files,
2221 InputFile *input_files,
2225 AVFormatContext *is, *os;
2229 int no_packet_count=0;
2230 int64_t timer_start;
2232 if (!(no_packet = av_mallocz(nb_input_files)))
2235 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2240 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2243 timer_start = av_gettime();
2245 for(; received_sigterm == 0;) {
2246 int file_index, ist_index;
2251 ipts_min = INT64_MAX;
2254 /* select the stream that we must read now by looking at the
2255 smallest output pts */
2257 for (i = 0; i < nb_output_streams; i++) {
2261 ost = &output_streams[i];
2262 of = &output_files[ost->file_index];
2263 os = output_files[ost->file_index].ctx;
2264 ist = &input_streams[ost->source_index];
2265 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2266 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2268 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2270 if (!input_files[ist->file_index].eof_reached){
2271 if(ipts < ipts_min) {
2273 if(input_sync ) file_index = ist->file_index;
2275 if(opts < opts_min) {
2277 if(!input_sync) file_index = ist->file_index;
2280 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2285 /* if none, if is finished */
2286 if (file_index < 0) {
2287 if(no_packet_count){
2289 memset(no_packet, 0, nb_input_files);
2296 /* read a frame from it and output it in the fifo */
2297 is = input_files[file_index].ctx;
2298 ret= av_read_frame(is, &pkt);
2299 if(ret == AVERROR(EAGAIN)){
2300 no_packet[file_index]=1;
2305 input_files[file_index].eof_reached = 1;
2313 memset(no_packet, 0, nb_input_files);
2316 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2317 is->streams[pkt.stream_index]);
2319 /* the following test is needed in case new streams appear
2320 dynamically in stream : we ignore them */
2321 if (pkt.stream_index >= input_files[file_index].nb_streams)
2322 goto discard_packet;
2323 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2324 ist = &input_streams[ist_index];
2326 goto discard_packet;
2328 if (pkt.dts != AV_NOPTS_VALUE)
2329 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2330 if (pkt.pts != AV_NOPTS_VALUE)
2331 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2333 if (ist->ts_scale) {
2334 if(pkt.pts != AV_NOPTS_VALUE)
2335 pkt.pts *= ist->ts_scale;
2336 if(pkt.dts != AV_NOPTS_VALUE)
2337 pkt.dts *= ist->ts_scale;
2340 // 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);
2341 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2342 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2343 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2344 int64_t delta= pkt_dts - ist->next_pts;
2345 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2346 input_files[ist->file_index].ts_offset -= delta;
2348 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2349 delta, input_files[ist->file_index].ts_offset);
2350 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2351 if(pkt.pts != AV_NOPTS_VALUE)
2352 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2356 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2357 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2360 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2361 ist->file_index, ist->st->index);
2364 av_free_packet(&pkt);
2369 av_free_packet(&pkt);
2371 /* dump report by using the output first video and audio streams */
2372 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2375 /* at the end of stream, we must flush the decoder buffers */
2376 for (i = 0; i < nb_input_streams; i++) {
2377 ist = &input_streams[i];
2378 if (ist->decoding_needed) {
2379 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2382 flush_encoders(output_streams, nb_output_streams);
2386 /* write the trailer if needed and close file */
2387 for(i=0;i<nb_output_files;i++) {
2388 os = output_files[i].ctx;
2389 av_write_trailer(os);
2392 /* dump report by using the first video and audio streams */
2393 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2395 /* close each encoder */
2396 for (i = 0; i < nb_output_streams; i++) {
2397 ost = &output_streams[i];
2398 if (ost->encoding_needed) {
2399 av_freep(&ost->st->codec->stats_in);
2400 avcodec_close(ost->st->codec);
2403 avfilter_graph_free(&ost->graph);
2407 /* close each decoder */
2408 for (i = 0; i < nb_input_streams; i++) {
2409 ist = &input_streams[i];
2410 if (ist->decoding_needed) {
2411 avcodec_close(ist->st->codec);
2419 av_freep(&bit_buffer);
2420 av_freep(&no_packet);
2422 if (output_streams) {
2423 for (i = 0; i < nb_output_streams; i++) {
2424 ost = &output_streams[i];
2426 if (ost->st->stream_copy)
2427 av_freep(&ost->st->codec->extradata);
2429 fclose(ost->logfile);
2430 ost->logfile = NULL;
2432 av_fifo_free(ost->fifo); /* works even if fifo is not
2433 initialized but set to zero */
2434 av_freep(&ost->st->codec->subtitle_header);
2435 av_free(ost->pict_tmp.data[0]);
2436 av_free(ost->forced_kf_pts);
2437 if (ost->video_resample)
2438 sws_freeContext(ost->img_resample_ctx);
2440 audio_resample_close(ost->resample);
2441 if (ost->reformat_ctx)
2442 av_audio_convert_free(ost->reformat_ctx);
2443 av_dict_free(&ost->opts);
2450 static int opt_format(const char *opt, const char *arg)
2452 last_asked_format = arg;
2456 static int opt_video_rc_override_string(const char *opt, const char *arg)
2458 video_rc_override_string = arg;
2462 static int opt_me_threshold(const char *opt, const char *arg)
2464 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2468 static int opt_verbose(const char *opt, const char *arg)
2470 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2474 static int opt_frame_rate(const char *opt, const char *arg)
2476 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2477 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2483 static int opt_frame_crop(const char *opt, const char *arg)
2485 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2486 return AVERROR(EINVAL);
2489 static int opt_frame_size(const char *opt, const char *arg)
2491 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2492 fprintf(stderr, "Incorrect frame size\n");
2493 return AVERROR(EINVAL);
2498 static int opt_pad(const char *opt, const char *arg) {
2499 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2503 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2505 if (strcmp(arg, "list")) {
2506 frame_pix_fmt = av_get_pix_fmt(arg);
2507 if (frame_pix_fmt == PIX_FMT_NONE) {
2508 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2509 return AVERROR(EINVAL);
2518 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2525 p = strchr(arg, ':');
2527 x = strtol(arg, &end, 10);
2529 y = strtol(end+1, &end, 10);
2531 ar = (double)x / (double)y;
2533 ar = strtod(arg, NULL);
2536 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2537 return AVERROR(EINVAL);
2539 frame_aspect_ratio = ar;
2543 static int opt_metadata(const char *opt, const char *arg)
2545 char *mid= strchr(arg, '=');
2548 fprintf(stderr, "Missing =\n");
2553 av_dict_set(&metadata, arg, mid, 0);
2558 static int opt_qscale(const char *opt, const char *arg)
2560 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2561 if (video_qscale == 0) {
2562 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2563 return AVERROR(EINVAL);
2568 static int opt_top_field_first(const char *opt, const char *arg)
2570 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2574 static int opt_thread_count(const char *opt, const char *arg)
2576 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2579 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2584 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2586 if (strcmp(arg, "list")) {
2587 audio_sample_fmt = av_get_sample_fmt(arg);
2588 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2589 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2590 return AVERROR(EINVAL);
2595 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2596 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2602 static int opt_audio_rate(const char *opt, const char *arg)
2604 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2608 static int opt_audio_channels(const char *opt, const char *arg)
2610 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2614 static int opt_codec(const char *opt, const char *arg)
2616 return av_dict_set(&codec_names, opt, arg, 0);
2619 static int opt_audio_codec(const char *opt, const char *arg)
2621 return opt_codec("codec:a", arg);
2624 static int opt_video_codec(const char *opt, const char *arg)
2626 return opt_codec("codec:v", arg);
2629 static int opt_subtitle_codec(const char *opt, const char *arg)
2631 return opt_codec("codec:s", arg);
2634 static int opt_data_codec(const char *opt, const char *arg)
2636 return opt_codec("codec:d", arg);
2639 static int opt_codec_tag(const char *opt, const char *arg)
2642 uint32_t *codec_tag;
2644 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2645 !strcmp(opt, "vtag") ? &video_codec_tag :
2646 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2650 *codec_tag = strtol(arg, &tail, 0);
2652 *codec_tag = AV_RL32(arg);
2657 static int opt_map(const char *opt, const char *arg)
2659 StreamMap *m = NULL;
2660 int i, negative = 0, file_idx;
2661 int sync_file_idx = -1, sync_stream_idx;
2669 map = av_strdup(arg);
2671 /* parse sync stream first, just pick first matching stream */
2672 if (sync = strchr(map, ',')) {
2674 sync_file_idx = strtol(sync + 1, &sync, 0);
2675 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2676 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2681 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2682 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2683 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2684 sync_stream_idx = i;
2687 if (i == input_files[sync_file_idx].nb_streams) {
2688 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2689 "match any streams.\n", arg);
2695 file_idx = strtol(map, &p, 0);
2696 if (file_idx >= nb_input_files || file_idx < 0) {
2697 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2701 /* disable some already defined maps */
2702 for (i = 0; i < nb_stream_maps; i++) {
2703 m = &stream_maps[i];
2704 if (check_stream_specifier(input_files[m->file_index].ctx,
2705 input_files[m->file_index].ctx->streams[m->stream_index],
2706 *p == ':' ? p + 1 : p) > 0)
2710 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2711 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2712 *p == ':' ? p + 1 : p) <= 0)
2714 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2715 m = &stream_maps[nb_stream_maps - 1];
2717 m->file_index = file_idx;
2718 m->stream_index = i;
2720 if (sync_file_idx >= 0) {
2721 m->sync_file_index = sync_file_idx;
2722 m->sync_stream_index = sync_stream_idx;
2724 m->sync_file_index = file_idx;
2725 m->sync_stream_index = i;
2730 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2738 static void parse_meta_type(char *arg, char *type, int *index)
2748 if (*(++arg) == ':')
2749 *index = strtol(++arg, NULL, 0);
2752 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2759 static int opt_map_metadata(const char *opt, const char *arg)
2761 MetadataMap *m, *m1;
2764 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2765 &nb_meta_data_maps, nb_meta_data_maps + 1);
2767 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2768 m->file = strtol(arg, &p, 0);
2769 parse_meta_type(p, &m->type, &m->index);
2771 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2772 if (p = strchr(opt, ':'))
2773 parse_meta_type(p, &m1->type, &m1->index);
2777 if (m->type == 'g' || m1->type == 'g')
2778 metadata_global_autocopy = 0;
2779 if (m->type == 's' || m1->type == 's')
2780 metadata_streams_autocopy = 0;
2781 if (m->type == 'c' || m1->type == 'c')
2782 metadata_chapters_autocopy = 0;
2787 static int opt_input_ts_scale(const char *opt, const char *arg)
2789 return av_dict_set(&ts_scale, opt, arg, 0);
2792 static int opt_recording_time(const char *opt, const char *arg)
2794 recording_time = parse_time_or_die(opt, arg, 1);
2798 static int opt_start_time(const char *opt, const char *arg)
2800 start_time = parse_time_or_die(opt, arg, 1);
2804 static int opt_input_ts_offset(const char *opt, const char *arg)
2806 input_ts_offset = parse_time_or_die(opt, arg, 1);
2810 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2812 const char *codec_string = encoder ? "encoder" : "decoder";
2816 return CODEC_ID_NONE;
2818 avcodec_find_encoder_by_name(name) :
2819 avcodec_find_decoder_by_name(name);
2821 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2824 if(codec->type != type) {
2825 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2831 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
2833 AVDictionaryEntry *e = NULL;
2834 char *codec_name = NULL;
2837 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
2838 char *p = strchr(e->key, ':');
2840 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
2841 codec_name = e->value;
2848 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2849 return avcodec_find_encoder(st->codec->codec_id);
2851 } else if (!strcmp(codec_name, "copy"))
2852 st->stream_copy = 1;
2854 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2855 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2856 avcodec_find_decoder_by_name(codec_name);
2863 * Add all the streams from the given input file to the global
2864 * list of input streams.
2866 static void add_input_streams(AVFormatContext *ic)
2868 int i, rfps, rfps_base, ret;
2870 for (i = 0; i < ic->nb_streams; i++) {
2871 AVStream *st = ic->streams[i];
2872 AVCodecContext *dec = st->codec;
2873 AVDictionaryEntry *e = NULL;
2877 dec->thread_count = thread_count;
2879 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2880 ist = &input_streams[nb_input_streams - 1];
2882 ist->file_index = nb_input_files;
2884 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2886 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
2887 char *p = strchr(e->key, ':');
2889 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
2895 ist->ts_scale = strtod(scale, NULL);
2897 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
2899 ist->dec = avcodec_find_decoder(dec->codec_id);
2901 switch (dec->codec_type) {
2902 case AVMEDIA_TYPE_AUDIO:
2904 st->discard= AVDISCARD_ALL;
2906 case AVMEDIA_TYPE_VIDEO:
2907 rfps = ic->streams[i]->r_frame_rate.num;
2908 rfps_base = ic->streams[i]->r_frame_rate.den;
2910 dec->flags |= CODEC_FLAG_EMU_EDGE;
2911 dec->height >>= dec->lowres;
2912 dec->width >>= dec->lowres;
2915 dec->debug |= FF_DEBUG_MV;
2917 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2920 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2921 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2923 (float)rfps / rfps_base, rfps, rfps_base);
2927 st->discard= AVDISCARD_ALL;
2928 else if(video_discard)
2929 st->discard= video_discard;
2931 case AVMEDIA_TYPE_DATA:
2933 case AVMEDIA_TYPE_SUBTITLE:
2934 if(subtitle_disable)
2935 st->discard = AVDISCARD_ALL;
2937 case AVMEDIA_TYPE_ATTACHMENT:
2938 case AVMEDIA_TYPE_UNKNOWN:
2946 static int opt_input_file(const char *opt, const char *filename)
2948 AVFormatContext *ic;
2949 AVInputFormat *file_iformat = NULL;
2953 AVDictionary **opts;
2954 int orig_nb_streams; // number of streams before avformat_find_stream_info
2956 if (last_asked_format) {
2957 if (!(file_iformat = av_find_input_format(last_asked_format))) {
2958 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
2961 last_asked_format = NULL;
2964 if (!strcmp(filename, "-"))
2967 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2968 !strcmp(filename, "/dev/stdin");
2970 /* get default parameters from command line */
2971 ic = avformat_alloc_context();
2973 print_error(filename, AVERROR(ENOMEM));
2976 if (audio_sample_rate) {
2977 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
2978 av_dict_set(&format_opts, "sample_rate", buf, 0);
2980 if (audio_channels) {
2981 snprintf(buf, sizeof(buf), "%d", audio_channels);
2982 av_dict_set(&format_opts, "channels", buf, 0);
2984 if (frame_rate.num) {
2985 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
2986 av_dict_set(&format_opts, "framerate", buf, 0);
2988 if (frame_width && frame_height) {
2989 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
2990 av_dict_set(&format_opts, "video_size", buf, 0);
2992 if (frame_pix_fmt != PIX_FMT_NONE)
2993 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
2995 ic->flags |= AVFMT_FLAG_NONBLOCK;
2997 /* open the input file with generic libav function */
2998 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3000 print_error(filename, err);
3003 assert_avoptions(format_opts);
3008 for(i=0; i<ic->nb_streams; i++){
3009 ic->streams[i]->discard= AVDISCARD_ALL;
3011 for(i=0; i<ic->nb_programs; i++){
3012 AVProgram *p= ic->programs[i];
3013 if(p->id != opt_programid){
3014 p->discard = AVDISCARD_ALL;
3017 for(j=0; j<p->nb_stream_indexes; j++){
3018 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3023 fprintf(stderr, "Specified program id not found\n");
3029 /* apply forced codec ids */
3030 for (i = 0; i < ic->nb_streams; i++)
3031 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
3033 /* Set AVCodecContext options for avformat_find_stream_info */
3034 opts = setup_find_stream_info_opts(ic, codec_opts);
3035 orig_nb_streams = ic->nb_streams;
3037 /* If not enough info to get the stream parameters, we decode the
3038 first frames to get it. (used in mpeg case for example) */
3039 ret = avformat_find_stream_info(ic, opts);
3040 if (ret < 0 && verbose >= 0) {
3041 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3042 av_close_input_file(ic);
3046 timestamp = start_time;
3047 /* add the stream start time */
3048 if (ic->start_time != AV_NOPTS_VALUE)
3049 timestamp += ic->start_time;
3051 /* if seeking requested, we execute it */
3052 if (start_time != 0) {
3053 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3055 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3056 filename, (double)timestamp / AV_TIME_BASE);
3058 /* reset seek info */
3062 /* update the current parameters so that they match the one of the input stream */
3063 add_input_streams(ic);
3065 /* dump the file content */
3067 av_dump_format(ic, nb_input_files, filename, 0);
3069 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3070 input_files[nb_input_files - 1].ctx = ic;
3071 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3072 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3073 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3075 frame_rate = (AVRational){0, 0};
3076 frame_pix_fmt = PIX_FMT_NONE;
3079 audio_sample_rate = 0;
3081 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3082 av_dict_free(&ts_scale);
3083 input_ts_offset = 0;
3085 for (i = 0; i < orig_nb_streams; i++)
3086 av_dict_free(&opts[i]);
3088 av_dict_free(&codec_names);
3094 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3095 AVCodecContext *avctx)
3101 for (p = kf; *p; p++)
3104 ost->forced_kf_count = n;
3105 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3106 if (!ost->forced_kf_pts) {
3107 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3110 for (i = 0; i < n; i++) {
3111 p = i ? strchr(p, ',') + 1 : kf;
3112 t = parse_time_or_die("force_key_frames", p, 1);
3113 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3117 static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type)
3120 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3121 int idx = oc->nb_streams - 1;
3124 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3128 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3129 nb_output_streams + 1);
3130 ost = &output_streams[nb_output_streams - 1];
3131 ost->file_index = nb_output_files;
3134 st->codec->codec_type = type;
3135 ost->enc = choose_codec(oc, st, type, codec_names);
3137 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3140 avcodec_get_context_defaults3(st->codec, ost->enc);
3141 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3143 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3147 static OutputStream *new_video_stream(AVFormatContext *oc)
3151 AVCodecContext *video_enc;
3153 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO);
3155 if (!st->stream_copy) {
3156 ost->frame_aspect_ratio = frame_aspect_ratio;
3157 frame_aspect_ratio = 0;
3159 ost->avfilter= vfilters;
3164 ost->bitstream_filters = video_bitstream_filters;
3165 video_bitstream_filters= NULL;
3167 st->codec->thread_count= thread_count;
3169 video_enc = st->codec;
3172 video_enc->codec_tag= video_codec_tag;
3174 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3175 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3178 if (st->stream_copy) {
3179 video_enc->sample_aspect_ratio =
3180 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3186 ost->frame_rate = frame_rate;
3188 video_enc->width = frame_width;
3189 video_enc->height = frame_height;
3190 video_enc->pix_fmt = frame_pix_fmt;
3191 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3193 if (video_qscale || same_quant) {
3194 video_enc->flags |= CODEC_FLAG_QSCALE;
3195 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3199 video_enc->intra_matrix = intra_matrix;
3201 video_enc->inter_matrix = inter_matrix;
3203 p= video_rc_override_string;
3206 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3208 fprintf(stderr, "error parsing rc_override\n");
3211 video_enc->rc_override=
3212 av_realloc(video_enc->rc_override,
3213 sizeof(RcOverride)*(i+1));
3214 video_enc->rc_override[i].start_frame= start;
3215 video_enc->rc_override[i].end_frame = end;
3217 video_enc->rc_override[i].qscale= q;
3218 video_enc->rc_override[i].quality_factor= 1.0;
3221 video_enc->rc_override[i].qscale= 0;
3222 video_enc->rc_override[i].quality_factor= -q/100.0;
3227 video_enc->rc_override_count=i;
3228 if (!video_enc->rc_initial_buffer_occupancy)
3229 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3230 video_enc->me_threshold= me_threshold;
3231 video_enc->intra_dc_precision= intra_dc_precision - 8;
3234 video_enc->flags|= CODEC_FLAG_PSNR;
3239 video_enc->flags |= CODEC_FLAG_PASS1;
3241 video_enc->flags |= CODEC_FLAG_PASS2;
3245 if (forced_key_frames)
3246 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3248 if (video_language) {
3249 av_dict_set(&st->metadata, "language", video_language, 0);
3250 av_freep(&video_language);
3253 /* reset some key parameters */
3255 av_freep(&forced_key_frames);
3256 frame_pix_fmt = PIX_FMT_NONE;
3260 static OutputStream *new_audio_stream(AVFormatContext *oc)
3264 AVCodecContext *audio_enc;
3266 ost = new_output_stream(oc, AVMEDIA_TYPE_AUDIO);
3269 ost->bitstream_filters = audio_bitstream_filters;
3270 audio_bitstream_filters= NULL;
3272 st->codec->thread_count= thread_count;
3274 audio_enc = st->codec;
3275 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3278 audio_enc->codec_tag= audio_codec_tag;
3280 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3281 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3283 if (!st->stream_copy) {
3284 if (audio_qscale > QSCALE_NONE) {
3285 audio_enc->flags |= CODEC_FLAG_QSCALE;
3286 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3289 audio_enc->channels = audio_channels;
3290 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3291 audio_enc->sample_fmt = audio_sample_fmt;
3292 if (audio_sample_rate)
3293 audio_enc->sample_rate = audio_sample_rate;
3295 if (audio_language) {
3296 av_dict_set(&st->metadata, "language", audio_language, 0);
3297 av_freep(&audio_language);
3300 /* reset some key parameters */
3306 static OutputStream *new_data_stream(AVFormatContext *oc)
3310 AVCodecContext *data_enc;
3312 ost = new_output_stream(oc, AVMEDIA_TYPE_DATA);
3314 data_enc = st->codec;
3315 if (!st->stream_copy) {
3316 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3321 data_enc->codec_tag= data_codec_tag;
3323 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3324 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3331 static OutputStream *new_subtitle_stream(AVFormatContext *oc)
3335 AVCodecContext *subtitle_enc;
3337 ost = new_output_stream(oc, AVMEDIA_TYPE_SUBTITLE);
3339 subtitle_enc = st->codec;
3341 ost->bitstream_filters = subtitle_bitstream_filters;
3342 subtitle_bitstream_filters= NULL;
3344 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3346 if(subtitle_codec_tag)
3347 subtitle_enc->codec_tag= subtitle_codec_tag;
3349 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3350 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3353 if (subtitle_language) {
3354 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3355 av_freep(&subtitle_language);
3358 subtitle_disable = 0;
3362 /* arg format is "output-stream-index:streamid-value". */
3363 static int opt_streamid(const char *opt, const char *arg)
3369 av_strlcpy(idx_str, arg, sizeof(idx_str));
3370 p = strchr(idx_str, ':');
3373 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3378 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3379 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3380 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3384 static int copy_chapters(int infile, int outfile)
3386 AVFormatContext *is = input_files[infile].ctx;
3387 AVFormatContext *os = output_files[outfile].ctx;
3390 for (i = 0; i < is->nb_chapters; i++) {
3391 AVChapter *in_ch = is->chapters[i], *out_ch;
3392 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
3393 AV_TIME_BASE_Q, in_ch->time_base);
3394 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
3395 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3398 if (in_ch->end < ts_off)
3400 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3403 out_ch = av_mallocz(sizeof(AVChapter));
3405 return AVERROR(ENOMEM);
3407 out_ch->id = in_ch->id;
3408 out_ch->time_base = in_ch->time_base;
3409 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3410 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3412 if (metadata_chapters_autocopy)
3413 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3416 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3418 return AVERROR(ENOMEM);
3419 os->chapters[os->nb_chapters - 1] = out_ch;
3424 static int read_avserver_streams(AVFormatContext *s, const char *filename)
3427 AVFormatContext *ic = NULL;
3429 err = avformat_open_input(&ic, filename, NULL, NULL);
3432 /* copy stream format */
3433 for(i=0;i<ic->nb_streams;i++) {
3438 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3439 ost = new_output_stream(s, codec->type);
3442 // FIXME: a more elegant solution is needed
3443 memcpy(st, ic->streams[i], sizeof(AVStream));
3445 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3447 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3448 choose_sample_fmt(st, codec);
3449 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3450 choose_pixel_fmt(st, codec);
3453 av_close_input_file(ic);
3457 static void opt_output_file(const char *filename)
3459 AVFormatContext *oc;
3461 AVOutputFormat *file_oformat;
3465 if (!strcmp(filename, "-"))
3468 oc = avformat_alloc_context();
3470 print_error(filename, AVERROR(ENOMEM));
3474 if (last_asked_format) {
3475 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3476 if (!file_oformat) {
3477 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3480 last_asked_format = NULL;
3482 file_oformat = av_guess_format(NULL, filename, NULL);
3483 if (!file_oformat) {
3484 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3490 oc->oformat = file_oformat;
3491 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3493 if (!strcmp(file_oformat->name, "ffm") &&
3494 av_strstart(filename, "http:", NULL)) {
3495 /* special case for files sent to avserver: we get the stream
3496 parameters from avserver */
3497 int err = read_avserver_streams(oc, filename);
3499 print_error(filename, err);
3502 } else if (!nb_stream_maps) {
3503 /* pick the "best" stream of each type */
3504 #define NEW_STREAM(type, index)\
3506 ost = new_ ## type ## _stream(oc);\
3507 ost->source_index = index;\
3508 ost->sync_ist = &input_streams[index];\
3509 input_streams[index].discard = 0;\
3512 /* video: highest resolution */
3513 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3514 int area = 0, idx = -1;
3515 for (i = 0; i < nb_input_streams; i++) {
3516 ist = &input_streams[i];
3517 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3518 ist->st->codec->width * ist->st->codec->height > area) {
3519 area = ist->st->codec->width * ist->st->codec->height;
3523 NEW_STREAM(video, idx);
3526 /* audio: most channels */
3527 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3528 int channels = 0, idx = -1;
3529 for (i = 0; i < nb_input_streams; i++) {
3530 ist = &input_streams[i];
3531 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3532 ist->st->codec->channels > channels) {
3533 channels = ist->st->codec->channels;
3537 NEW_STREAM(audio, idx);
3540 /* subtitles: pick first */
3541 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3542 for (i = 0; i < nb_input_streams; i++)
3543 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3544 NEW_STREAM(subtitle, i);
3548 /* do something with data? */
3550 for (i = 0; i < nb_stream_maps; i++) {
3551 StreamMap *map = &stream_maps[i];
3556 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3557 switch (ist->st->codec->codec_type) {
3558 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc); break;
3559 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc); break;
3560 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc); break;
3561 case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc); break;
3563 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3564 map->file_index, map->stream_index);
3568 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3569 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3570 map->sync_stream_index];
3575 av_dict_copy(&oc->metadata, metadata, 0);
3576 av_dict_free(&metadata);
3579 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3580 output_files[nb_output_files - 1].ctx = oc;
3581 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3582 output_files[nb_output_files - 1].recording_time = recording_time;
3583 output_files[nb_output_files - 1].start_time = start_time;
3584 output_files[nb_output_files - 1].limit_filesize = limit_filesize;
3585 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3587 /* check filename in case of an image number is expected */
3588 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3589 if (!av_filename_number_test(oc->filename)) {
3590 print_error(oc->filename, AVERROR(EINVAL));
3595 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3596 /* test if it already exists to avoid loosing precious files */
3597 if (!file_overwrite &&
3598 (strchr(filename, ':') == NULL ||
3599 filename[1] == ':' ||
3600 av_strstart(filename, "file:", NULL))) {
3601 if (avio_check(filename, 0) == 0) {
3603 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3605 if (!read_yesno()) {
3606 fprintf(stderr, "Not overwriting - exiting\n");
3611 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3618 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3619 print_error(filename, err);
3624 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3625 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3626 oc->flags |= AVFMT_FLAG_NONBLOCK;
3629 if (chapters_input_file >= nb_input_files) {
3630 if (chapters_input_file == INT_MAX) {
3631 /* copy chapters from the first input file that has them*/
3632 chapters_input_file = -1;
3633 for (i = 0; i < nb_input_files; i++)
3634 if (input_files[i].ctx->nb_chapters) {
3635 chapters_input_file = i;
3639 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3640 chapters_input_file);
3644 if (chapters_input_file >= 0)
3645 copy_chapters(chapters_input_file, nb_output_files - 1);
3648 for (i = 0; i < nb_meta_data_maps; i++) {
3649 AVFormatContext *files[2];
3650 AVDictionary **meta[2];
3653 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3654 if ((index) < 0 || (index) >= (nb_elems)) {\
3655 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3660 int in_file_index = meta_data_maps[i][1].file;
3661 if (in_file_index < 0)
3663 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3666 files[1] = input_files[in_file_index].ctx;
3668 for (j = 0; j < 2; j++) {
3669 MetadataMap *map = &meta_data_maps[i][j];
3671 switch (map->type) {
3673 meta[j] = &files[j]->metadata;
3676 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3677 meta[j] = &files[j]->streams[map->index]->metadata;
3680 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3681 meta[j] = &files[j]->chapters[map->index]->metadata;
3684 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3685 meta[j] = &files[j]->programs[map->index]->metadata;
3690 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3693 /* copy global metadata by default */
3694 if (metadata_global_autocopy && nb_input_files)
3695 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3696 AV_DICT_DONT_OVERWRITE);
3697 if (metadata_streams_autocopy)
3698 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3699 InputStream *ist = &input_streams[output_streams[i].source_index];
3700 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3703 frame_rate = (AVRational){0, 0};
3706 audio_sample_rate = 0;
3708 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3709 chapters_input_file = INT_MAX;
3710 recording_time = INT64_MAX;
3712 limit_filesize = UINT64_MAX;
3714 av_freep(&meta_data_maps);
3715 nb_meta_data_maps = 0;
3716 metadata_global_autocopy = 1;
3717 metadata_streams_autocopy = 1;
3718 metadata_chapters_autocopy = 1;
3719 av_freep(&stream_maps);
3721 av_freep(&streamid_map);
3722 nb_streamid_map = 0;
3724 av_dict_free(&codec_names);
3726 av_freep(&forced_key_frames);
3731 /* same option as mencoder */
3732 static int opt_pass(const char *opt, const char *arg)
3734 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3738 static int64_t getutime(void)
3741 struct rusage rusage;
3743 getrusage(RUSAGE_SELF, &rusage);
3744 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3745 #elif HAVE_GETPROCESSTIMES
3747 FILETIME c, e, k, u;
3748 proc = GetCurrentProcess();
3749 GetProcessTimes(proc, &c, &e, &k, &u);
3750 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3752 return av_gettime();
3756 static int64_t getmaxrss(void)
3758 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3759 struct rusage rusage;
3760 getrusage(RUSAGE_SELF, &rusage);
3761 return (int64_t)rusage.ru_maxrss * 1024;
3762 #elif HAVE_GETPROCESSMEMORYINFO
3764 PROCESS_MEMORY_COUNTERS memcounters;
3765 proc = GetCurrentProcess();
3766 memcounters.cb = sizeof(memcounters);
3767 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3768 return memcounters.PeakPagefileUsage;
3774 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3777 const char *p = str;
3784 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3791 static void opt_inter_matrix(const char *arg)
3793 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3794 parse_matrix_coeffs(inter_matrix, arg);
3797 static void opt_intra_matrix(const char *arg)
3799 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3800 parse_matrix_coeffs(intra_matrix, arg);
3803 static void show_usage(void)
3805 printf("Hyper fast Audio and Video encoder\n");
3806 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3810 static void show_help(void)
3813 AVOutputFormat *oformat = NULL;
3814 AVInputFormat *iformat = NULL;
3816 av_log_set_callback(log_callback_help);
3818 show_help_options(options, "Main options:\n",
3819 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3820 show_help_options(options, "\nAdvanced options:\n",
3821 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3823 show_help_options(options, "\nVideo options:\n",
3824 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3826 show_help_options(options, "\nAdvanced Video options:\n",
3827 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3828 OPT_VIDEO | OPT_EXPERT);
3829 show_help_options(options, "\nAudio options:\n",
3830 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3832 show_help_options(options, "\nAdvanced Audio options:\n",
3833 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3834 OPT_AUDIO | OPT_EXPERT);
3835 show_help_options(options, "\nSubtitle options:\n",
3836 OPT_SUBTITLE | OPT_GRAB,
3838 show_help_options(options, "\nAudio/Video grab options:\n",
3842 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3845 /* individual codec options */
3847 while ((c = av_codec_next(c))) {
3848 if (c->priv_class) {
3849 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3854 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3857 /* individual muxer options */
3858 while ((oformat = av_oformat_next(oformat))) {
3859 if (oformat->priv_class) {
3860 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3865 /* individual demuxer options */
3866 while ((iformat = av_iformat_next(iformat))) {
3867 if (iformat->priv_class) {
3868 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3873 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3876 static int opt_target(const char *opt, const char *arg)
3878 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3879 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3881 if(!strncmp(arg, "pal-", 4)) {
3884 } else if(!strncmp(arg, "ntsc-", 5)) {
3887 } else if(!strncmp(arg, "film-", 5)) {
3892 /* Calculate FR via float to avoid int overflow */
3893 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3896 } else if((fr == 29970) || (fr == 23976)) {
3899 /* Try to determine PAL/NTSC by peeking in the input files */
3900 if(nb_input_files) {
3902 for (j = 0; j < nb_input_files; j++) {
3903 for (i = 0; i < input_files[j].nb_streams; i++) {
3904 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
3905 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3907 fr = c->time_base.den * 1000 / c->time_base.num;
3911 } else if((fr == 29970) || (fr == 23976)) {
3921 if(verbose > 0 && norm != UNKNOWN)
3922 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3925 if(norm == UNKNOWN) {
3926 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3927 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3928 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3932 if(!strcmp(arg, "vcd")) {
3933 opt_codec("c:v", "mpeg1video");
3934 opt_codec("c:a", "mp2");
3935 opt_format("f", "vcd");
3937 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
3938 opt_frame_rate("r", frame_rates[norm]);
3939 opt_default("g", norm == PAL ? "15" : "18");
3941 opt_default("b", "1150000");
3942 opt_default("maxrate", "1150000");
3943 opt_default("minrate", "1150000");
3944 opt_default("bufsize", "327680"); // 40*1024*8;
3946 opt_default("b:a", "224000");
3947 audio_sample_rate = 44100;
3950 opt_default("packetsize", "2324");
3951 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3953 /* We have to offset the PTS, so that it is consistent with the SCR.
3954 SCR starts at 36000, but the first two packs contain only padding
3955 and the first pack from the other stream, respectively, may also have
3956 been written before.
3957 So the real data starts at SCR 36000+3*1200. */
3958 mux_preload= (36000+3*1200) / 90000.0; //0.44
3959 } else if(!strcmp(arg, "svcd")) {
3961 opt_codec("c:v", "mpeg2video");
3962 opt_codec("c:a", "mp2");
3963 opt_format("f", "svcd");
3965 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
3966 opt_frame_rate("r", frame_rates[norm]);
3967 opt_default("g", norm == PAL ? "15" : "18");
3969 opt_default("b", "2040000");
3970 opt_default("maxrate", "2516000");
3971 opt_default("minrate", "0"); //1145000;
3972 opt_default("bufsize", "1835008"); //224*1024*8;
3973 opt_default("flags", "+scan_offset");
3976 opt_default("b:a", "224000");
3977 audio_sample_rate = 44100;
3979 opt_default("packetsize", "2324");
3981 } else if(!strcmp(arg, "dvd")) {
3983 opt_codec("c:v", "mpeg2video");
3984 opt_codec("c:a", "ac3");
3985 opt_format("f", "dvd");
3987 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
3988 opt_frame_rate("r", frame_rates[norm]);
3989 opt_default("g", norm == PAL ? "15" : "18");
3991 opt_default("b", "6000000");
3992 opt_default("maxrate", "9000000");
3993 opt_default("minrate", "0"); //1500000;
3994 opt_default("bufsize", "1835008"); //224*1024*8;
3996 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3997 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3999 opt_default("b:a", "448000");
4000 audio_sample_rate = 48000;
4002 } else if(!strncmp(arg, "dv", 2)) {
4004 opt_format("f", "dv");
4006 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
4007 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4008 norm == PAL ? "yuv420p" : "yuv411p");
4009 opt_frame_rate("r", frame_rates[norm]);
4011 audio_sample_rate = 48000;
4015 fprintf(stderr, "Unknown target: %s\n", arg);
4016 return AVERROR(EINVAL);
4021 static int opt_vstats_file(const char *opt, const char *arg)
4023 av_free (vstats_filename);
4024 vstats_filename=av_strdup (arg);
4028 static int opt_vstats(const char *opt, const char *arg)
4031 time_t today2 = time(NULL);
4032 struct tm *today = localtime(&today2);
4034 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4036 return opt_vstats_file(opt, filename);
4039 static int opt_bsf(const char *opt, const char *arg)
4041 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4042 AVBitStreamFilterContext **bsfp;
4045 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4049 bsfp= *opt == 'v' ? &video_bitstream_filters :
4050 *opt == 'a' ? &audio_bitstream_filters :
4051 &subtitle_bitstream_filters;
4053 bsfp= &(*bsfp)->next;
4060 static const OptionDef options[] = {
4062 #include "cmdutils_common_opts.h"
4063 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4064 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4065 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4066 { "c", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4067 { "codec", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4068 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4069 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4070 "outfile[,metadata]:infile[,metadata]" },
4071 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&chapters_input_file}, "set chapters mapping", "input_file_index" },
4072 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4073 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4074 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4075 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4076 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "scale" },
4077 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4078 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4079 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4080 "add timings for benchmarking" },
4081 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4082 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4083 "dump each input packet" },
4084 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4085 "when dumping packets, also dump the payload" },
4086 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4087 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4088 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4089 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4090 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4091 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4092 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4093 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4094 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4095 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4096 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4097 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4098 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4099 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4102 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4103 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4104 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4105 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4106 { "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" },
4107 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4108 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4109 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4110 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4111 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4112 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4113 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4114 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4115 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4116 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4117 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4118 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4119 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4120 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4121 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimation threshold", "threshold" },
4122 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4123 "use same quantizer as source (implies VBR)" },
4124 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4125 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4126 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4127 "deinterlace pictures" },
4128 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4129 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4130 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4132 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4134 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4135 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4136 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4137 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4138 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4139 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4140 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4141 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4142 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4143 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4146 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4147 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4148 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4149 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4150 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4151 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4152 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4153 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4154 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4155 { "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" },
4157 /* subtitle options */
4158 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4159 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4160 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4161 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4164 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4167 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4168 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4170 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4171 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4172 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4174 /* data codec support */
4175 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4177 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4181 int main(int argc, char **argv)
4185 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4187 avcodec_register_all();
4189 avdevice_register_all();
4192 avfilter_register_all();
4196 avio_set_interrupt_cb(decode_interrupt_cb);
4203 parse_options(argc, argv, options, opt_output_file);
4205 if(nb_output_files <= 0 && nb_input_files == 0) {
4207 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4211 /* file converter / grab */
4212 if (nb_output_files <= 0) {
4213 fprintf(stderr, "At least one output file must be specified\n");
4217 if (nb_input_files == 0) {
4218 fprintf(stderr, "At least one input file must be specified\n");
4223 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4225 ti = getutime() - ti;
4227 int maxrss = getmaxrss() / 1024;
4228 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4231 return exit_program(0);