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 */
244 typedef struct OutputStream {
245 int file_index; /* file index */
246 int index; /* stream index in the output file */
247 int source_index; /* InputStream index */
248 AVStream *st; /* stream in the output file */
249 int encoding_needed; /* true if encoding needed for this stream */
251 /* input pts and corresponding output pts
253 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
254 struct InputStream *sync_ist; /* input stream to sync against */
255 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
256 AVBitStreamFilterContext *bitstream_filters;
261 AVFrame pict_tmp; /* temporary image for resampling */
262 struct SwsContext *img_resample_ctx; /* for image resampling */
265 int resample_pix_fmt;
266 AVRational frame_rate;
268 float frame_aspect_ratio;
270 /* forced key frames */
271 int64_t *forced_kf_pts;
277 ReSampleContext *resample; /* for audio resampling */
278 int resample_sample_fmt;
279 int resample_channels;
280 int resample_sample_rate;
282 AVAudioConvert *reformat_ctx;
283 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
287 AVFilterContext *output_video_filter;
288 AVFilterContext *input_video_filter;
289 AVFilterBufferRef *picref;
291 AVFilterGraph *graph;
296 int is_past_recording_time;
300 typedef struct OutputFile {
301 AVFormatContext *ctx;
303 int ost_index; /* index of the first stream in output_streams */
304 int64_t recording_time; /* desired length of the resulting file in microseconds */
305 int64_t start_time; /* start time in microseconds */
306 uint64_t limit_filesize;
309 static InputStream *input_streams = NULL;
310 static int nb_input_streams = 0;
311 static InputFile *input_files = NULL;
312 static int nb_input_files = 0;
314 static OutputStream *output_streams = NULL;
315 static int nb_output_streams = 0;
316 static OutputFile *output_files = NULL;
317 static int nb_output_files = 0;
321 static int configure_video_filters(InputStream *ist, OutputStream *ost)
323 AVFilterContext *last_filter, *filter;
324 /** filter graph containing all filters including input & output */
325 AVCodecContext *codec = ost->st->codec;
326 AVCodecContext *icodec = ist->st->codec;
327 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
328 AVRational sample_aspect_ratio;
332 ost->graph = avfilter_graph_alloc();
334 if (ist->st->sample_aspect_ratio.num){
335 sample_aspect_ratio = ist->st->sample_aspect_ratio;
337 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
339 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
340 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
341 sample_aspect_ratio.num, sample_aspect_ratio.den);
343 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
344 "src", args, NULL, ost->graph);
347 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
348 "out", NULL, &ffsink_ctx, ost->graph);
351 last_filter = ost->input_video_filter;
353 if (codec->width != icodec->width || codec->height != icodec->height) {
354 snprintf(args, 255, "%d:%d:flags=0x%X",
358 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
359 NULL, args, NULL, ost->graph)) < 0)
361 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
363 last_filter = filter;
366 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
367 ost->graph->scale_sws_opts = av_strdup(args);
370 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
371 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
373 outputs->name = av_strdup("in");
374 outputs->filter_ctx = last_filter;
375 outputs->pad_idx = 0;
376 outputs->next = NULL;
378 inputs->name = av_strdup("out");
379 inputs->filter_ctx = ost->output_video_filter;
383 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
385 av_freep(&ost->avfilter);
387 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
391 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
394 codec->width = ost->output_video_filter->inputs[0]->w;
395 codec->height = ost->output_video_filter->inputs[0]->h;
396 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
397 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
398 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
399 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
403 #endif /* CONFIG_AVFILTER */
405 static void term_exit(void)
407 av_log(NULL, AV_LOG_QUIET, "");
410 static volatile int received_sigterm = 0;
411 static volatile int received_nb_signals = 0;
414 sigterm_handler(int sig)
416 received_sigterm = sig;
417 received_nb_signals++;
421 static void term_init(void)
423 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
424 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
426 signal(SIGXCPU, sigterm_handler);
430 static int decode_interrupt_cb(void)
432 return received_nb_signals > 1;
435 static int exit_program(int ret)
440 for(i=0;i<nb_output_files;i++) {
441 AVFormatContext *s = output_files[i].ctx;
442 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
444 avformat_free_context(s);
445 av_dict_free(&output_files[i].opts);
447 for(i=0;i<nb_input_files;i++) {
448 av_close_input_file(input_files[i].ctx);
450 for (i = 0; i < nb_input_streams; i++)
451 av_dict_free(&input_streams[i].opts);
453 av_free(intra_matrix);
454 av_free(inter_matrix);
458 av_free(vstats_filename);
460 av_free(meta_data_maps);
462 av_freep(&input_streams);
463 av_freep(&input_files);
464 av_freep(&output_streams);
465 av_freep(&output_files);
470 allocated_audio_buf_size= allocated_audio_out_size= 0;
477 if (received_sigterm) {
479 "Received signal %d: terminating.\n",
480 (int) received_sigterm);
484 exit(ret); /* not all OS-es handle main() return value */
488 static void assert_avoptions(AVDictionary *m)
490 AVDictionaryEntry *t;
491 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
492 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
497 static void assert_codec_experimental(AVCodecContext *c, int encoder)
499 const char *codec_string = encoder ? "encoder" : "decoder";
501 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
502 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
503 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
504 "results.\nAdd '-strict experimental' if you want to use it.\n",
505 codec_string, c->codec->name);
506 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
507 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
508 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
509 codec_string, codec->name);
514 /* similar to ff_dynarray_add() and av_fast_realloc() */
515 static void *grow_array(void *array, int elem_size, int *size, int new_size)
517 if (new_size >= INT_MAX / elem_size) {
518 fprintf(stderr, "Array too big.\n");
521 if (*size < new_size) {
522 uint8_t *tmp = av_realloc(array, new_size*elem_size);
524 fprintf(stderr, "Could not alloc buffer.\n");
527 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
534 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
536 if(codec && codec->sample_fmts){
537 const enum AVSampleFormat *p= codec->sample_fmts;
539 if(*p == st->codec->sample_fmt)
543 av_log(NULL, AV_LOG_WARNING,
544 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
545 av_get_sample_fmt_name(st->codec->sample_fmt),
547 av_get_sample_fmt_name(codec->sample_fmts[0]));
548 st->codec->sample_fmt = codec->sample_fmts[0];
554 * Update the requested input sample format based on the output sample format.
555 * This is currently only used to request float output from decoders which
556 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
557 * Ideally this will be removed in the future when decoders do not do format
558 * conversion and only output in their native format.
560 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
563 /* if sample formats match or a decoder sample format has already been
564 requested, just return */
565 if (enc->sample_fmt == dec->sample_fmt ||
566 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
569 /* if decoder supports more than one output format */
570 if (dec_codec && dec_codec->sample_fmts &&
571 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
572 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
573 const enum AVSampleFormat *p;
574 int min_dec = -1, min_inc = -1;
576 /* find a matching sample format in the encoder */
577 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
578 if (*p == enc->sample_fmt) {
579 dec->request_sample_fmt = *p;
581 } else if (*p > enc->sample_fmt) {
582 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
584 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
587 /* if none match, provide the one that matches quality closest */
588 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
589 enc->sample_fmt - min_dec;
593 static void choose_sample_rate(AVStream *st, AVCodec *codec)
595 if(codec && codec->supported_samplerates){
596 const int *p= codec->supported_samplerates;
598 int best_dist=INT_MAX;
600 int dist= abs(st->codec->sample_rate - *p);
601 if(dist < best_dist){
607 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
609 st->codec->sample_rate= best;
613 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
615 if(codec && codec->pix_fmts){
616 const enum PixelFormat *p= codec->pix_fmts;
617 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
618 if(st->codec->codec_id==CODEC_ID_MJPEG){
619 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
620 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
621 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};
625 if(*p == st->codec->pix_fmt)
629 if(st->codec->pix_fmt != PIX_FMT_NONE)
630 av_log(NULL, AV_LOG_WARNING,
631 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
632 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
634 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
635 st->codec->pix_fmt = codec->pix_fmts[0];
641 get_sync_ipts(const OutputStream *ost)
643 const InputStream *ist = ost->sync_ist;
644 OutputFile *of = &output_files[ost->file_index];
645 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
648 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
652 AVPacket new_pkt= *pkt;
653 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
654 &new_pkt.data, &new_pkt.size,
655 pkt->data, pkt->size,
656 pkt->flags & AV_PKT_FLAG_KEY);
659 new_pkt.destruct= av_destruct_packet;
661 fprintf(stderr, "%s failed for stream %d, codec %s",
662 bsfc->filter->name, pkt->stream_index,
663 avctx->codec ? avctx->codec->name : "copy");
673 ret= av_interleaved_write_frame(s, pkt);
675 print_error("av_interleaved_write_frame()", ret);
680 static void do_audio_out(AVFormatContext *s,
683 unsigned char *buf, int size)
686 int64_t audio_out_size, audio_buf_size;
687 int64_t allocated_for_size= size;
689 int size_out, frame_bytes, ret, resample_changed;
690 AVCodecContext *enc= ost->st->codec;
691 AVCodecContext *dec= ist->st->codec;
692 int osize = av_get_bytes_per_sample(enc->sample_fmt);
693 int isize = av_get_bytes_per_sample(dec->sample_fmt);
694 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
697 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
698 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
699 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
700 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
701 audio_buf_size*= osize*enc->channels;
703 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
704 if(coded_bps > 8*osize)
705 audio_out_size= audio_out_size * coded_bps / (8*osize);
706 audio_out_size += FF_MIN_BUFFER_SIZE;
708 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
709 fprintf(stderr, "Buffer sizes too large\n");
713 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
714 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
715 if (!audio_buf || !audio_out){
716 fprintf(stderr, "Out of memory in do_audio_out\n");
720 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
721 ost->audio_resample = 1;
723 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
724 ost->resample_channels != dec->channels ||
725 ost->resample_sample_rate != dec->sample_rate;
727 if ((ost->audio_resample && !ost->resample) || resample_changed) {
728 if (resample_changed) {
729 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",
730 ist->file_index, ist->st->index,
731 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
732 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
733 ost->resample_sample_fmt = dec->sample_fmt;
734 ost->resample_channels = dec->channels;
735 ost->resample_sample_rate = dec->sample_rate;
737 audio_resample_close(ost->resample);
739 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
740 if (audio_sync_method <= 1 &&
741 ost->resample_sample_fmt == enc->sample_fmt &&
742 ost->resample_channels == enc->channels &&
743 ost->resample_sample_rate == enc->sample_rate) {
744 ost->resample = NULL;
745 ost->audio_resample = 0;
746 } else if (ost->audio_resample) {
747 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
748 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
749 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
750 enc->sample_rate, dec->sample_rate,
751 enc->sample_fmt, dec->sample_fmt,
753 if (!ost->resample) {
754 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
755 dec->channels, dec->sample_rate,
756 enc->channels, enc->sample_rate);
762 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
763 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
764 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
765 if (ost->reformat_ctx)
766 av_audio_convert_free(ost->reformat_ctx);
767 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
768 dec->sample_fmt, 1, NULL, 0);
769 if (!ost->reformat_ctx) {
770 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
771 av_get_sample_fmt_name(dec->sample_fmt),
772 av_get_sample_fmt_name(enc->sample_fmt));
775 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
778 if(audio_sync_method){
779 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
780 - av_fifo_size(ost->fifo)/(enc->channels * 2);
781 double idelta= delta*dec->sample_rate / enc->sample_rate;
782 int byte_delta= ((int)idelta)*2*dec->channels;
784 //FIXME resample delay
785 if(fabs(delta) > 50){
786 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
788 byte_delta= FFMAX(byte_delta, -size);
792 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
797 static uint8_t *input_tmp= NULL;
798 input_tmp= av_realloc(input_tmp, byte_delta + size);
800 if(byte_delta > allocated_for_size - size){
801 allocated_for_size= byte_delta + (int64_t)size;
806 memset(input_tmp, 0, byte_delta);
807 memcpy(input_tmp + byte_delta, buf, size);
811 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
813 }else if(audio_sync_method>1){
814 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
815 av_assert0(ost->audio_resample);
817 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
818 // 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));
819 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
823 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
824 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
826 if (ost->audio_resample) {
828 size_out = audio_resample(ost->resample,
829 (short *)buftmp, (short *)buf,
830 size / (dec->channels * isize));
831 size_out = size_out * enc->channels * osize;
837 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
838 const void *ibuf[6]= {buftmp};
839 void *obuf[6]= {audio_buf};
840 int istride[6]= {isize};
841 int ostride[6]= {osize};
842 int len= size_out/istride[0];
843 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
844 printf("av_audio_convert() failed\n");
850 size_out = len*osize;
853 /* now encode as many frames as possible */
854 if (enc->frame_size > 1) {
855 /* output resampled raw samples */
856 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
857 fprintf(stderr, "av_fifo_realloc2() failed\n");
860 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
862 frame_bytes = enc->frame_size * osize * enc->channels;
864 while (av_fifo_size(ost->fifo) >= frame_bytes) {
866 av_init_packet(&pkt);
868 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
870 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
872 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
875 fprintf(stderr, "Audio encoding failed\n");
879 pkt.stream_index= ost->index;
882 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
883 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
884 pkt.flags |= AV_PKT_FLAG_KEY;
885 write_frame(s, &pkt, enc, ost->bitstream_filters);
887 ost->sync_opts += enc->frame_size;
891 av_init_packet(&pkt);
893 ost->sync_opts += size_out / (osize * enc->channels);
895 /* output a pcm frame */
896 /* determine the size of the coded buffer */
899 size_out = size_out*coded_bps/8;
901 if(size_out > audio_out_size){
902 fprintf(stderr, "Internal error, buffer size too small\n");
906 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
907 ret = avcodec_encode_audio(enc, audio_out, size_out,
910 fprintf(stderr, "Audio encoding failed\n");
914 pkt.stream_index= ost->index;
917 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
918 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
919 pkt.flags |= AV_PKT_FLAG_KEY;
920 write_frame(s, &pkt, enc, ost->bitstream_filters);
924 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
928 AVPicture picture_tmp;
931 dec = ist->st->codec;
933 /* deinterlace : must be done before any resize */
934 if (do_deinterlace) {
937 /* create temporary picture */
938 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
939 buf = av_malloc(size);
943 picture2 = &picture_tmp;
944 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
946 if(avpicture_deinterlace(picture2, picture,
947 dec->pix_fmt, dec->width, dec->height) < 0) {
948 /* if error, do not deinterlace */
949 fprintf(stderr, "Deinterlacing failed\n");
958 if (picture != picture2)
959 *picture = *picture2;
963 static void do_subtitle_out(AVFormatContext *s,
969 static uint8_t *subtitle_out = NULL;
970 int subtitle_out_max_size = 1024 * 1024;
971 int subtitle_out_size, nb, i;
975 if (pts == AV_NOPTS_VALUE) {
976 fprintf(stderr, "Subtitle packets must have a pts\n");
982 enc = ost->st->codec;
985 subtitle_out = av_malloc(subtitle_out_max_size);
988 /* Note: DVB subtitle need one packet to draw them and one other
989 packet to clear them */
990 /* XXX: signal it in the codec context ? */
991 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
996 for(i = 0; i < nb; i++) {
997 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
998 // start_display_time is required to be 0
999 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1000 sub->end_display_time -= sub->start_display_time;
1001 sub->start_display_time = 0;
1002 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1003 subtitle_out_max_size, sub);
1004 if (subtitle_out_size < 0) {
1005 fprintf(stderr, "Subtitle encoding failed\n");
1009 av_init_packet(&pkt);
1010 pkt.stream_index = ost->index;
1011 pkt.data = subtitle_out;
1012 pkt.size = subtitle_out_size;
1013 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1014 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1015 /* XXX: the pts correction is handled here. Maybe handling
1016 it in the codec would be better */
1018 pkt.pts += 90 * sub->start_display_time;
1020 pkt.pts += 90 * sub->end_display_time;
1022 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1026 static int bit_buffer_size= 1024*256;
1027 static uint8_t *bit_buffer= NULL;
1029 static void do_video_resample(OutputStream *ost,
1031 AVFrame *in_picture,
1032 AVFrame **out_picture)
1034 int resample_changed = 0;
1035 AVCodecContext *dec = ist->st->codec;
1036 *out_picture = in_picture;
1038 resample_changed = ost->resample_width != dec->width ||
1039 ost->resample_height != dec->height ||
1040 ost->resample_pix_fmt != dec->pix_fmt;
1042 if (resample_changed) {
1043 av_log(NULL, AV_LOG_INFO,
1044 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1045 ist->file_index, ist->st->index,
1046 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1047 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1048 if(!ost->video_resample)
1049 ost->video_resample = 1;
1052 #if !CONFIG_AVFILTER
1053 if (ost->video_resample) {
1054 *out_picture = &ost->pict_tmp;
1055 if (resample_changed) {
1056 /* initialize a new scaler context */
1057 sws_freeContext(ost->img_resample_ctx);
1058 ost->img_resample_ctx = sws_getContext(
1059 ist->st->codec->width,
1060 ist->st->codec->height,
1061 ist->st->codec->pix_fmt,
1062 ost->st->codec->width,
1063 ost->st->codec->height,
1064 ost->st->codec->pix_fmt,
1065 ost->sws_flags, NULL, NULL, NULL);
1066 if (ost->img_resample_ctx == NULL) {
1067 fprintf(stderr, "Cannot get resampling context\n");
1071 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1072 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1075 if (resample_changed) {
1076 avfilter_graph_free(&ost->graph);
1077 if (configure_video_filters(ist, ost)) {
1078 fprintf(stderr, "Error reinitializing filters!\n");
1083 if (resample_changed) {
1084 ost->resample_width = dec->width;
1085 ost->resample_height = dec->height;
1086 ost->resample_pix_fmt = dec->pix_fmt;
1091 static void do_video_out(AVFormatContext *s,
1094 AVFrame *in_picture,
1095 int *frame_size, float quality)
1097 int nb_frames, i, ret, format_video_sync;
1098 AVFrame *final_picture;
1099 AVCodecContext *enc, *dec;
1102 enc = ost->st->codec;
1103 dec = ist->st->codec;
1105 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1107 /* by default, we output a single frame */
1112 format_video_sync = video_sync_method;
1113 if (format_video_sync < 0)
1114 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1116 if (format_video_sync) {
1117 double vdelta = sync_ipts - ost->sync_opts;
1118 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1121 else if (format_video_sync == 2) {
1124 }else if(vdelta>0.6)
1125 ost->sync_opts= lrintf(sync_ipts);
1126 }else if (vdelta > 1.1)
1127 nb_frames = lrintf(vdelta);
1128 //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);
1129 if (nb_frames == 0){
1132 fprintf(stderr, "*** drop!\n");
1133 }else if (nb_frames > 1) {
1134 nb_frames_dup += nb_frames - 1;
1136 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1139 ost->sync_opts= lrintf(sync_ipts);
1141 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1145 do_video_resample(ost, ist, in_picture, &final_picture);
1147 /* duplicates frame if needed */
1148 for(i=0;i<nb_frames;i++) {
1150 av_init_packet(&pkt);
1151 pkt.stream_index= ost->index;
1153 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1154 /* raw pictures are written as AVPicture structure to
1155 avoid any copies. We support temporarily the older
1157 AVFrame* old_frame = enc->coded_frame;
1158 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1159 pkt.data= (uint8_t *)final_picture;
1160 pkt.size= sizeof(AVPicture);
1161 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1162 pkt.flags |= AV_PKT_FLAG_KEY;
1164 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1165 enc->coded_frame = old_frame;
1167 AVFrame big_picture;
1169 big_picture= *final_picture;
1170 /* better than nothing: use input picture interlaced
1172 big_picture.interlaced_frame = in_picture->interlaced_frame;
1173 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1174 if(top_field_first == -1)
1175 big_picture.top_field_first = in_picture->top_field_first;
1177 big_picture.top_field_first = top_field_first;
1180 /* handles same_quant here. This is not correct because it may
1181 not be a global option */
1182 big_picture.quality = quality;
1184 big_picture.pict_type = 0;
1185 // big_picture.pts = AV_NOPTS_VALUE;
1186 big_picture.pts= ost->sync_opts;
1187 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1188 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1189 if (ost->forced_kf_index < ost->forced_kf_count &&
1190 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1191 big_picture.pict_type = AV_PICTURE_TYPE_I;
1192 ost->forced_kf_index++;
1194 ret = avcodec_encode_video(enc,
1195 bit_buffer, bit_buffer_size,
1198 fprintf(stderr, "Video encoding failed\n");
1203 pkt.data= bit_buffer;
1205 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1206 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1207 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1208 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1209 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1211 if(enc->coded_frame->key_frame)
1212 pkt.flags |= AV_PKT_FLAG_KEY;
1213 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1216 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1217 // enc->frame_number-1, ret, enc->pict_type);
1218 /* if two pass, output log */
1219 if (ost->logfile && enc->stats_out) {
1220 fprintf(ost->logfile, "%s", enc->stats_out);
1225 ost->frame_number++;
1229 static double psnr(double d){
1230 return -10.0*log(d)/log(10.0);
1233 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1236 AVCodecContext *enc;
1238 double ti1, bitrate, avg_bitrate;
1240 /* this is executed just the first time do_video_stats is called */
1242 vstats_file = fopen(vstats_filename, "w");
1249 enc = ost->st->codec;
1250 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1251 frame_number = ost->frame_number;
1252 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1253 if (enc->flags&CODEC_FLAG_PSNR)
1254 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1256 fprintf(vstats_file,"f_size= %6d ", frame_size);
1257 /* compute pts value */
1258 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1262 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1263 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1264 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1265 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1266 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1270 static void print_report(OutputFile *output_files,
1271 OutputStream *ost_table, int nb_ostreams,
1272 int is_last_report, int64_t timer_start)
1276 AVFormatContext *oc;
1278 AVCodecContext *enc;
1279 int frame_number, vid, i;
1280 double bitrate, ti1, pts;
1281 static int64_t last_time = -1;
1282 static int qp_histogram[52];
1284 if (!is_last_report) {
1286 /* display the report every 0.5 seconds */
1287 cur_time = av_gettime();
1288 if (last_time == -1) {
1289 last_time = cur_time;
1292 if ((cur_time - last_time) < 500000)
1294 last_time = cur_time;
1298 oc = output_files[0].ctx;
1300 total_size = avio_size(oc->pb);
1301 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1302 total_size= avio_tell(oc->pb);
1307 for(i=0;i<nb_ostreams;i++) {
1309 ost = &ost_table[i];
1310 enc = ost->st->codec;
1311 if (!ost->st->stream_copy && enc->coded_frame)
1312 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1313 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1314 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1316 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1317 float t = (av_gettime()-timer_start) / 1000000.0;
1319 frame_number = ost->frame_number;
1320 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1321 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1323 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1327 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1330 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1332 if (enc->flags&CODEC_FLAG_PSNR){
1334 double error, error_sum=0;
1335 double scale, scale_sum=0;
1336 char type[3]= {'Y','U','V'};
1337 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1340 error= enc->error[j];
1341 scale= enc->width*enc->height*255.0*255.0*frame_number;
1343 error= enc->coded_frame->error[j];
1344 scale= enc->width*enc->height*255.0*255.0;
1349 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1351 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1355 /* compute min output value */
1356 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1357 if ((pts < ti1) && (pts > 0))
1363 if (verbose > 0 || is_last_report) {
1364 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1366 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1367 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1368 (double)total_size / 1024, ti1, bitrate);
1370 if (nb_frames_dup || nb_frames_drop)
1371 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1372 nb_frames_dup, nb_frames_drop);
1375 fprintf(stderr, "%s \r", buf);
1380 if (is_last_report && verbose >= 0){
1381 int64_t raw= audio_size + video_size + extra_size;
1382 fprintf(stderr, "\n");
1383 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1387 100.0*(total_size - raw)/raw
1392 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1394 int fill_char = 0x00;
1395 if (sample_fmt == AV_SAMPLE_FMT_U8)
1397 memset(buf, fill_char, size);
1400 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1404 for (i = 0; i < nb_ostreams; i++) {
1405 OutputStream *ost = &ost_table[i];
1406 AVCodecContext *enc = ost->st->codec;
1407 AVFormatContext *os = output_files[ost->file_index].ctx;
1409 if (!ost->encoding_needed)
1412 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1414 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1420 av_init_packet(&pkt);
1421 pkt.stream_index= ost->index;
1423 switch (ost->st->codec->codec_type) {
1424 case AVMEDIA_TYPE_AUDIO:
1425 fifo_bytes = av_fifo_size(ost->fifo);
1427 /* encode any samples remaining in fifo */
1428 if (fifo_bytes > 0) {
1429 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1430 int fs_tmp = enc->frame_size;
1432 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1433 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1434 enc->frame_size = fifo_bytes / (osize * enc->channels);
1436 int frame_bytes = enc->frame_size*osize*enc->channels;
1437 if (allocated_audio_buf_size < frame_bytes)
1439 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1442 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1443 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1444 ost->st->time_base.num, enc->sample_rate);
1445 enc->frame_size = fs_tmp;
1448 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1451 fprintf(stderr, "Audio encoding failed\n");
1455 pkt.flags |= AV_PKT_FLAG_KEY;
1457 case AVMEDIA_TYPE_VIDEO:
1458 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1460 fprintf(stderr, "Video encoding failed\n");
1464 if(enc->coded_frame && enc->coded_frame->key_frame)
1465 pkt.flags |= AV_PKT_FLAG_KEY;
1466 if (ost->logfile && enc->stats_out) {
1467 fprintf(ost->logfile, "%s", enc->stats_out);
1476 pkt.data = bit_buffer;
1478 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1479 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1480 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1485 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1486 static int output_packet(InputStream *ist, int ist_index,
1487 OutputStream *ost_table, int nb_ostreams,
1488 const AVPacket *pkt)
1490 AVFormatContext *os;
1495 void *buffer_to_free = NULL;
1496 static unsigned int samples_size= 0;
1497 AVSubtitle subtitle, *subtitle_to_free;
1498 int64_t pkt_pts = AV_NOPTS_VALUE;
1500 int frame_available;
1505 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1507 if(ist->next_pts == AV_NOPTS_VALUE)
1508 ist->next_pts= ist->pts;
1512 av_init_packet(&avpkt);
1520 if(pkt->dts != AV_NOPTS_VALUE)
1521 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1522 if(pkt->pts != AV_NOPTS_VALUE)
1523 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1525 //while we have more to decode or while the decoder did output something on EOF
1526 while (avpkt.size > 0 || (!pkt && got_output)) {
1527 uint8_t *data_buf, *decoded_data_buf;
1528 int data_size, decoded_data_size;
1530 ist->pts= ist->next_pts;
1532 if(avpkt.size && avpkt.size != pkt->size &&
1533 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1534 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1535 ist->showed_multi_packet_warning=1;
1538 /* decode the packet if needed */
1539 decoded_data_buf = NULL; /* fail safe */
1540 decoded_data_size= 0;
1541 data_buf = avpkt.data;
1542 data_size = avpkt.size;
1543 subtitle_to_free = NULL;
1544 if (ist->decoding_needed) {
1545 switch(ist->st->codec->codec_type) {
1546 case AVMEDIA_TYPE_AUDIO:{
1547 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1548 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1550 samples= av_malloc(samples_size);
1552 decoded_data_size= samples_size;
1553 /* XXX: could avoid copy if PCM 16 bits with same
1554 endianness as CPU */
1555 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1562 got_output = decoded_data_size > 0;
1563 /* Some bug in mpeg audio decoder gives */
1564 /* decoded_data_size < 0, it seems they are overflows */
1566 /* no audio frame */
1569 decoded_data_buf = (uint8_t *)samples;
1570 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1571 (ist->st->codec->sample_rate * ist->st->codec->channels);
1573 case AVMEDIA_TYPE_VIDEO:
1574 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1575 /* XXX: allocate picture correctly */
1576 avcodec_get_frame_defaults(&picture);
1577 avpkt.pts = pkt_pts;
1578 avpkt.dts = ist->pts;
1579 pkt_pts = AV_NOPTS_VALUE;
1581 ret = avcodec_decode_video2(ist->st->codec,
1582 &picture, &got_output, &avpkt);
1583 quality = same_quant ? picture.quality : 0;
1587 /* no picture yet */
1588 goto discard_packet;
1590 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1591 if (ist->st->codec->time_base.num != 0) {
1592 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1593 ist->next_pts += ((int64_t)AV_TIME_BASE *
1594 ist->st->codec->time_base.num * ticks) /
1595 ist->st->codec->time_base.den;
1598 buffer_to_free = NULL;
1599 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1601 case AVMEDIA_TYPE_SUBTITLE:
1602 ret = avcodec_decode_subtitle2(ist->st->codec,
1603 &subtitle, &got_output, &avpkt);
1607 goto discard_packet;
1609 subtitle_to_free = &subtitle;
1616 switch(ist->st->codec->codec_type) {
1617 case AVMEDIA_TYPE_AUDIO:
1618 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1619 ist->st->codec->sample_rate;
1621 case AVMEDIA_TYPE_VIDEO:
1622 if (ist->st->codec->time_base.num != 0) {
1623 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1624 ist->next_pts += ((int64_t)AV_TIME_BASE *
1625 ist->st->codec->time_base.num * ticks) /
1626 ist->st->codec->time_base.den;
1633 // preprocess audio (volume)
1634 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1635 if (audio_volume != 256) {
1638 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1639 int v = ((*volp) * audio_volume + 128) >> 8;
1640 *volp++ = av_clip_int16(v);
1645 /* frame rate emulation */
1647 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1648 int64_t now = av_gettime() - ist->start;
1652 /* if output time reached then transcode raw format,
1653 encode packets and output them */
1654 for (i = 0; i < nb_ostreams; i++) {
1655 OutputFile *of = &output_files[ost_table[i].file_index];
1658 ost = &ost_table[i];
1659 if (ost->source_index != ist_index)
1662 if (of->start_time && ist->pts < of->start_time)
1665 if (of->recording_time != INT64_MAX &&
1666 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1667 (AVRational){1, 1000000}) >= 0) {
1668 ost->is_past_recording_time = 1;
1673 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1674 ost->input_video_filter) {
1676 if (ist->st->sample_aspect_ratio.num)
1677 sar = ist->st->sample_aspect_ratio;
1679 sar = ist->st->codec->sample_aspect_ratio;
1680 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, ist->pts, sar);
1682 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1683 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1684 while (frame_available) {
1685 AVRational ist_pts_tb;
1686 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1687 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1689 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1691 os = output_files[ost->file_index].ctx;
1693 /* set the input output pts pairs */
1694 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1696 if (ost->encoding_needed) {
1697 av_assert0(ist->decoding_needed);
1698 switch(ost->st->codec->codec_type) {
1699 case AVMEDIA_TYPE_AUDIO:
1700 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1702 case AVMEDIA_TYPE_VIDEO:
1704 if (ost->picref->video && !ost->frame_aspect_ratio)
1705 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1707 do_video_out(os, ost, ist, &picture, &frame_size,
1708 same_quant ? quality : ost->st->codec->global_quality);
1709 if (vstats_filename && frame_size)
1710 do_video_stats(os, ost, frame_size);
1712 case AVMEDIA_TYPE_SUBTITLE:
1713 do_subtitle_out(os, ost, ist, &subtitle,
1720 AVFrame avframe; //FIXME/XXX remove this
1722 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1724 av_init_packet(&opkt);
1726 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1727 #if !CONFIG_AVFILTER
1733 /* no reencoding needed : output the packet directly */
1734 /* force the input stream PTS */
1736 avcodec_get_frame_defaults(&avframe);
1737 ost->st->codec->coded_frame= &avframe;
1738 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1740 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1741 audio_size += data_size;
1742 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1743 video_size += data_size;
1747 opkt.stream_index= ost->index;
1748 if(pkt->pts != AV_NOPTS_VALUE)
1749 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1751 opkt.pts= AV_NOPTS_VALUE;
1753 if (pkt->dts == AV_NOPTS_VALUE)
1754 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1756 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1757 opkt.dts -= ost_tb_start_time;
1759 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1760 opkt.flags= pkt->flags;
1762 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1763 if( ost->st->codec->codec_id != CODEC_ID_H264
1764 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1765 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1767 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1768 opkt.destruct= av_destruct_packet;
1770 opkt.data = data_buf;
1771 opkt.size = data_size;
1774 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1775 ost->st->codec->frame_number++;
1776 ost->frame_number++;
1777 av_free_packet(&opkt);
1781 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1782 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1784 avfilter_unref_buffer(ost->picref);
1789 av_free(buffer_to_free);
1790 /* XXX: allocate the subtitles in the codec ? */
1791 if (subtitle_to_free) {
1792 avsubtitle_free(subtitle_to_free);
1793 subtitle_to_free = NULL;
1801 static void print_sdp(OutputFile *output_files, int n)
1805 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1809 for (i = 0; i < n; i++)
1810 avc[i] = output_files[i].ctx;
1812 av_sdp_create(avc, n, sdp, sizeof(sdp));
1813 printf("SDP:\n%s\n", sdp);
1818 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1819 char *error, int error_len)
1822 InputStream *ist = &input_streams[ist_index];
1823 if (ist->decoding_needed) {
1824 AVCodec *codec = ist->dec;
1826 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
1827 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1828 return AVERROR(EINVAL);
1831 /* update requested sample format for the decoder based on the
1832 corresponding encoder sample format */
1833 for (i = 0; i < nb_output_streams; i++) {
1834 OutputStream *ost = &output_streams[i];
1835 if (ost->source_index == ist_index) {
1836 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1841 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1842 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
1843 ist->file_index, ist->st->index);
1844 return AVERROR(EINVAL);
1846 assert_codec_experimental(ist->st->codec, 0);
1847 assert_avoptions(ist->opts);
1850 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;
1851 ist->next_pts = AV_NOPTS_VALUE;
1852 init_pts_correction(&ist->pts_ctx);
1858 static int transcode_init(OutputFile *output_files,
1859 int nb_output_files,
1860 InputFile *input_files,
1864 AVFormatContext *os;
1865 AVCodecContext *codec, *icodec;
1872 for (i = 0; i < nb_input_streams; i++)
1873 input_streams[i].start = av_gettime();
1875 /* output stream init */
1876 for(i=0;i<nb_output_files;i++) {
1877 os = output_files[i].ctx;
1878 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1879 av_dump_format(os, i, os->filename, 1);
1880 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1881 return AVERROR(EINVAL);
1885 /* for each output stream, we compute the right encoding parameters */
1886 for (i = 0; i < nb_output_streams; i++) {
1887 ost = &output_streams[i];
1888 os = output_files[ost->file_index].ctx;
1889 ist = &input_streams[ost->source_index];
1891 codec = ost->st->codec;
1892 icodec = ist->st->codec;
1894 ost->st->disposition = ist->st->disposition;
1895 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1896 codec->chroma_sample_location = icodec->chroma_sample_location;
1898 if (ost->st->stream_copy) {
1899 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1901 if (extra_size > INT_MAX) {
1902 return AVERROR(EINVAL);
1905 /* if stream_copy is selected, no need to decode or encode */
1906 codec->codec_id = icodec->codec_id;
1907 codec->codec_type = icodec->codec_type;
1909 if(!codec->codec_tag){
1910 if( !os->oformat->codec_tag
1911 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1912 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1913 codec->codec_tag = icodec->codec_tag;
1916 codec->bit_rate = icodec->bit_rate;
1917 codec->rc_max_rate = icodec->rc_max_rate;
1918 codec->rc_buffer_size = icodec->rc_buffer_size;
1919 codec->extradata= av_mallocz(extra_size);
1920 if (!codec->extradata) {
1921 return AVERROR(ENOMEM);
1923 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1924 codec->extradata_size= icodec->extradata_size;
1925 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){
1926 codec->time_base = icodec->time_base;
1927 codec->time_base.num *= icodec->ticks_per_frame;
1928 av_reduce(&codec->time_base.num, &codec->time_base.den,
1929 codec->time_base.num, codec->time_base.den, INT_MAX);
1931 codec->time_base = ist->st->time_base;
1932 switch(codec->codec_type) {
1933 case AVMEDIA_TYPE_AUDIO:
1934 if(audio_volume != 256) {
1935 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1938 codec->channel_layout = icodec->channel_layout;
1939 codec->sample_rate = icodec->sample_rate;
1940 codec->channels = icodec->channels;
1941 codec->frame_size = icodec->frame_size;
1942 codec->audio_service_type = icodec->audio_service_type;
1943 codec->block_align= icodec->block_align;
1944 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1945 codec->block_align= 0;
1946 if(codec->codec_id == CODEC_ID_AC3)
1947 codec->block_align= 0;
1949 case AVMEDIA_TYPE_VIDEO:
1950 codec->pix_fmt = icodec->pix_fmt;
1951 codec->width = icodec->width;
1952 codec->height = icodec->height;
1953 codec->has_b_frames = icodec->has_b_frames;
1954 if (!codec->sample_aspect_ratio.num) {
1955 codec->sample_aspect_ratio =
1956 ost->st->sample_aspect_ratio =
1957 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1958 ist->st->codec->sample_aspect_ratio.num ?
1959 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1962 case AVMEDIA_TYPE_SUBTITLE:
1963 codec->width = icodec->width;
1964 codec->height = icodec->height;
1966 case AVMEDIA_TYPE_DATA:
1973 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
1974 switch(codec->codec_type) {
1975 case AVMEDIA_TYPE_AUDIO:
1976 ost->fifo= av_fifo_alloc(1024);
1978 return AVERROR(ENOMEM);
1980 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
1981 if (!codec->sample_rate) {
1982 codec->sample_rate = icodec->sample_rate;
1984 codec->sample_rate >>= icodec->lowres;
1986 choose_sample_rate(ost->st, ost->enc);
1987 codec->time_base = (AVRational){1, codec->sample_rate};
1988 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
1989 codec->sample_fmt = icodec->sample_fmt;
1990 choose_sample_fmt(ost->st, ost->enc);
1991 if (!codec->channels)
1992 codec->channels = icodec->channels;
1993 codec->channel_layout = icodec->channel_layout;
1994 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
1995 codec->channel_layout = 0;
1996 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1997 icodec->request_channels = codec->channels;
1998 ist->decoding_needed = 1;
1999 ost->encoding_needed = 1;
2000 ost->resample_sample_fmt = icodec->sample_fmt;
2001 ost->resample_sample_rate = icodec->sample_rate;
2002 ost->resample_channels = icodec->channels;
2004 case AVMEDIA_TYPE_VIDEO:
2005 if (codec->pix_fmt == PIX_FMT_NONE)
2006 codec->pix_fmt = icodec->pix_fmt;
2007 choose_pixel_fmt(ost->st, ost->enc);
2009 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2010 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2014 if (!codec->width || !codec->height) {
2015 codec->width = icodec->width;
2016 codec->height = icodec->height;
2019 ost->video_resample = codec->width != icodec->width ||
2020 codec->height != icodec->height ||
2021 codec->pix_fmt != icodec->pix_fmt;
2022 if (ost->video_resample) {
2023 #if !CONFIG_AVFILTER
2024 avcodec_get_frame_defaults(&ost->pict_tmp);
2025 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2026 codec->width, codec->height)) {
2027 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2030 ost->img_resample_ctx = sws_getContext(
2037 ost->sws_flags, NULL, NULL, NULL);
2038 if (ost->img_resample_ctx == NULL) {
2039 fprintf(stderr, "Cannot get resampling context\n");
2043 codec->bits_per_raw_sample= 0;
2046 ost->resample_height = icodec->height;
2047 ost->resample_width = icodec->width;
2048 ost->resample_pix_fmt= icodec->pix_fmt;
2049 ost->encoding_needed = 1;
2050 ist->decoding_needed = 1;
2052 if (!ost->frame_rate.num)
2053 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2054 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2055 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2056 ost->frame_rate = ost->enc->supported_framerates[idx];
2058 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2061 if (configure_video_filters(ist, ost)) {
2062 fprintf(stderr, "Error opening filters!\n");
2067 case AVMEDIA_TYPE_SUBTITLE:
2068 ost->encoding_needed = 1;
2069 ist->decoding_needed = 1;
2076 if (ost->encoding_needed &&
2077 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2078 char logfilename[1024];
2081 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2082 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2084 if (codec->flags & CODEC_FLAG_PASS1) {
2085 f = fopen(logfilename, "wb");
2087 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2093 size_t logbuffer_size;
2094 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2095 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2098 codec->stats_in = logbuffer;
2102 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2103 int size= codec->width * codec->height;
2104 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2109 bit_buffer = av_malloc(bit_buffer_size);
2111 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2113 return AVERROR(ENOMEM);
2116 /* open each encoder */
2117 for (i = 0; i < nb_output_streams; i++) {
2118 ost = &output_streams[i];
2119 if (ost->encoding_needed) {
2120 AVCodec *codec = ost->enc;
2121 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2123 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2124 ost->st->codec->codec_id, ost->file_index, ost->index);
2125 ret = AVERROR(EINVAL);
2128 if (dec->subtitle_header) {
2129 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2130 if (!ost->st->codec->subtitle_header) {
2131 ret = AVERROR(ENOMEM);
2134 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2135 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2137 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2138 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2139 ost->file_index, ost->index);
2140 ret = AVERROR(EINVAL);
2143 assert_codec_experimental(ost->st->codec, 1);
2144 assert_avoptions(ost->opts);
2145 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2146 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2147 "It takes bits/s as argument, not kbits/s\n");
2148 extra_size += ost->st->codec->extradata_size;
2152 /* init input streams */
2153 for (i = 0; i < nb_input_streams; i++)
2154 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error)) < 0))
2157 /* open files and write file headers */
2158 for (i = 0; i < nb_output_files; i++) {
2159 os = output_files[i].ctx;
2160 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2161 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2162 ret = AVERROR(EINVAL);
2165 assert_avoptions(output_files[i].opts);
2166 if (strcmp(os->oformat->name, "rtp")) {
2172 /* dump the file output parameters - cannot be done before in case
2174 for(i=0;i<nb_output_files;i++) {
2175 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2178 /* dump the stream mapping */
2180 fprintf(stderr, "Stream mapping:\n");
2181 for (i = 0; i < nb_output_streams;i ++) {
2182 ost = &output_streams[i];
2183 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2184 input_streams[ost->source_index].file_index,
2185 input_streams[ost->source_index].st->index,
2188 if (ost->sync_ist != &input_streams[ost->source_index])
2189 fprintf(stderr, " [sync #%d.%d]",
2190 ost->sync_ist->file_index,
2191 ost->sync_ist->st->index);
2192 if (ost->st->stream_copy)
2193 fprintf(stderr, " (copy)");
2195 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2196 input_streams[ost->source_index].dec->name : "?",
2197 ost->enc ? ost->enc->name : "?");
2198 fprintf(stderr, "\n");
2203 fprintf(stderr, "%s\n", error);
2208 print_sdp(output_files, nb_output_files);
2215 * The following code is the main loop of the file converter
2217 static int transcode(OutputFile *output_files,
2218 int nb_output_files,
2219 InputFile *input_files,
2223 AVFormatContext *is, *os;
2227 int no_packet_count=0;
2228 int64_t timer_start;
2230 if (!(no_packet = av_mallocz(nb_input_files)))
2233 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2238 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2241 timer_start = av_gettime();
2243 for(; received_sigterm == 0;) {
2244 int file_index, ist_index;
2249 ipts_min = INT64_MAX;
2252 /* select the stream that we must read now by looking at the
2253 smallest output pts */
2255 for (i = 0; i < nb_output_streams; i++) {
2259 ost = &output_streams[i];
2260 of = &output_files[ost->file_index];
2261 os = output_files[ost->file_index].ctx;
2262 ist = &input_streams[ost->source_index];
2263 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2264 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2266 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2268 if (!input_files[ist->file_index].eof_reached){
2269 if(ipts < ipts_min) {
2271 if(input_sync ) file_index = ist->file_index;
2273 if(opts < opts_min) {
2275 if(!input_sync) file_index = ist->file_index;
2278 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2283 /* if none, if is finished */
2284 if (file_index < 0) {
2285 if(no_packet_count){
2287 memset(no_packet, 0, nb_input_files);
2294 /* read a frame from it and output it in the fifo */
2295 is = input_files[file_index].ctx;
2296 ret= av_read_frame(is, &pkt);
2297 if(ret == AVERROR(EAGAIN)){
2298 no_packet[file_index]=1;
2303 input_files[file_index].eof_reached = 1;
2311 memset(no_packet, 0, nb_input_files);
2314 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2315 is->streams[pkt.stream_index]);
2317 /* the following test is needed in case new streams appear
2318 dynamically in stream : we ignore them */
2319 if (pkt.stream_index >= input_files[file_index].ctx->nb_streams)
2320 goto discard_packet;
2321 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2322 ist = &input_streams[ist_index];
2324 goto discard_packet;
2326 if (pkt.dts != AV_NOPTS_VALUE)
2327 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2328 if (pkt.pts != AV_NOPTS_VALUE)
2329 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2331 if (ist->ts_scale) {
2332 if(pkt.pts != AV_NOPTS_VALUE)
2333 pkt.pts *= ist->ts_scale;
2334 if(pkt.dts != AV_NOPTS_VALUE)
2335 pkt.dts *= ist->ts_scale;
2338 // 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);
2339 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2340 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2341 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2342 int64_t delta= pkt_dts - ist->next_pts;
2343 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2344 input_files[ist->file_index].ts_offset -= delta;
2346 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2347 delta, input_files[ist->file_index].ts_offset);
2348 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2349 if(pkt.pts != AV_NOPTS_VALUE)
2350 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2354 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2355 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2358 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2359 ist->file_index, ist->st->index);
2362 av_free_packet(&pkt);
2367 av_free_packet(&pkt);
2369 /* dump report by using the output first video and audio streams */
2370 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2373 /* at the end of stream, we must flush the decoder buffers */
2374 for (i = 0; i < nb_input_streams; i++) {
2375 ist = &input_streams[i];
2376 if (ist->decoding_needed) {
2377 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2380 flush_encoders(output_streams, nb_output_streams);
2384 /* write the trailer if needed and close file */
2385 for(i=0;i<nb_output_files;i++) {
2386 os = output_files[i].ctx;
2387 av_write_trailer(os);
2390 /* dump report by using the first video and audio streams */
2391 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2393 /* close each encoder */
2394 for (i = 0; i < nb_output_streams; i++) {
2395 ost = &output_streams[i];
2396 if (ost->encoding_needed) {
2397 av_freep(&ost->st->codec->stats_in);
2398 avcodec_close(ost->st->codec);
2401 avfilter_graph_free(&ost->graph);
2405 /* close each decoder */
2406 for (i = 0; i < nb_input_streams; i++) {
2407 ist = &input_streams[i];
2408 if (ist->decoding_needed) {
2409 avcodec_close(ist->st->codec);
2417 av_freep(&bit_buffer);
2418 av_freep(&no_packet);
2420 if (output_streams) {
2421 for (i = 0; i < nb_output_streams; i++) {
2422 ost = &output_streams[i];
2424 if (ost->st->stream_copy)
2425 av_freep(&ost->st->codec->extradata);
2427 fclose(ost->logfile);
2428 ost->logfile = NULL;
2430 av_fifo_free(ost->fifo); /* works even if fifo is not
2431 initialized but set to zero */
2432 av_freep(&ost->st->codec->subtitle_header);
2433 av_free(ost->pict_tmp.data[0]);
2434 av_free(ost->forced_kf_pts);
2435 if (ost->video_resample)
2436 sws_freeContext(ost->img_resample_ctx);
2438 audio_resample_close(ost->resample);
2439 if (ost->reformat_ctx)
2440 av_audio_convert_free(ost->reformat_ctx);
2441 av_dict_free(&ost->opts);
2448 static int opt_format(const char *opt, const char *arg)
2450 last_asked_format = arg;
2454 static int opt_video_rc_override_string(const char *opt, const char *arg)
2456 video_rc_override_string = arg;
2460 static int opt_me_threshold(const char *opt, const char *arg)
2462 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2466 static int opt_verbose(const char *opt, const char *arg)
2468 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2472 static int opt_frame_rate(const char *opt, const char *arg)
2474 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2475 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2481 static int opt_frame_crop(const char *opt, const char *arg)
2483 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2484 return AVERROR(EINVAL);
2487 static int opt_frame_size(const char *opt, const char *arg)
2489 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2490 fprintf(stderr, "Incorrect frame size\n");
2491 return AVERROR(EINVAL);
2496 static int opt_pad(const char *opt, const char *arg) {
2497 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2501 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2503 if (strcmp(arg, "list")) {
2504 frame_pix_fmt = av_get_pix_fmt(arg);
2505 if (frame_pix_fmt == PIX_FMT_NONE) {
2506 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2507 return AVERROR(EINVAL);
2516 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2523 p = strchr(arg, ':');
2525 x = strtol(arg, &end, 10);
2527 y = strtol(end+1, &end, 10);
2529 ar = (double)x / (double)y;
2531 ar = strtod(arg, NULL);
2534 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2535 return AVERROR(EINVAL);
2537 frame_aspect_ratio = ar;
2541 static int opt_metadata(const char *opt, const char *arg)
2543 char *mid= strchr(arg, '=');
2546 fprintf(stderr, "Missing =\n");
2551 av_dict_set(&metadata, arg, mid, 0);
2556 static int opt_qscale(const char *opt, const char *arg)
2558 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2559 if (video_qscale == 0) {
2560 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2561 return AVERROR(EINVAL);
2566 static int opt_top_field_first(const char *opt, const char *arg)
2568 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2572 static int opt_thread_count(const char *opt, const char *arg)
2574 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2577 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2582 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2584 if (strcmp(arg, "list")) {
2585 audio_sample_fmt = av_get_sample_fmt(arg);
2586 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2587 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2588 return AVERROR(EINVAL);
2593 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2594 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2600 static int opt_audio_rate(const char *opt, const char *arg)
2602 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2606 static int opt_audio_channels(const char *opt, const char *arg)
2608 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2612 static int opt_codec(const char *opt, const char *arg)
2614 return av_dict_set(&codec_names, opt, arg, 0);
2617 static int opt_audio_codec(const char *opt, const char *arg)
2619 return opt_codec("codec:a", arg);
2622 static int opt_video_codec(const char *opt, const char *arg)
2624 return opt_codec("codec:v", arg);
2627 static int opt_subtitle_codec(const char *opt, const char *arg)
2629 return opt_codec("codec:s", arg);
2632 static int opt_data_codec(const char *opt, const char *arg)
2634 return opt_codec("codec:d", arg);
2637 static int opt_codec_tag(const char *opt, const char *arg)
2640 uint32_t *codec_tag;
2642 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2643 !strcmp(opt, "vtag") ? &video_codec_tag :
2644 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2648 *codec_tag = strtol(arg, &tail, 0);
2650 *codec_tag = AV_RL32(arg);
2655 static int opt_map(const char *opt, const char *arg)
2657 StreamMap *m = NULL;
2658 int i, negative = 0, file_idx;
2659 int sync_file_idx = -1, sync_stream_idx;
2667 map = av_strdup(arg);
2669 /* parse sync stream first, just pick first matching stream */
2670 if (sync = strchr(map, ',')) {
2672 sync_file_idx = strtol(sync + 1, &sync, 0);
2673 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2674 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2679 for (i = 0; i < input_files[sync_file_idx].ctx->nb_streams; i++)
2680 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2681 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2682 sync_stream_idx = i;
2685 if (i == input_files[sync_file_idx].ctx->nb_streams) {
2686 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2687 "match any streams.\n", arg);
2693 file_idx = strtol(map, &p, 0);
2694 if (file_idx >= nb_input_files || file_idx < 0) {
2695 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2699 /* disable some already defined maps */
2700 for (i = 0; i < nb_stream_maps; i++) {
2701 m = &stream_maps[i];
2702 if (check_stream_specifier(input_files[m->file_index].ctx,
2703 input_files[m->file_index].ctx->streams[m->stream_index],
2704 *p == ':' ? p + 1 : p) > 0)
2708 for (i = 0; i < input_files[file_idx].ctx->nb_streams; i++) {
2709 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2710 *p == ':' ? p + 1 : p) <= 0)
2712 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2713 m = &stream_maps[nb_stream_maps - 1];
2715 m->file_index = file_idx;
2716 m->stream_index = i;
2718 if (sync_file_idx >= 0) {
2719 m->sync_file_index = sync_file_idx;
2720 m->sync_stream_index = sync_stream_idx;
2722 m->sync_file_index = file_idx;
2723 m->sync_stream_index = i;
2728 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2736 static void parse_meta_type(char *arg, char *type, int *index)
2746 if (*(++arg) == ':')
2747 *index = strtol(++arg, NULL, 0);
2750 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2757 static int opt_map_metadata(const char *opt, const char *arg)
2759 MetadataMap *m, *m1;
2762 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2763 &nb_meta_data_maps, nb_meta_data_maps + 1);
2765 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2766 m->file = strtol(arg, &p, 0);
2767 parse_meta_type(p, &m->type, &m->index);
2769 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2770 if (p = strchr(opt, ':'))
2771 parse_meta_type(p, &m1->type, &m1->index);
2775 if (m->type == 'g' || m1->type == 'g')
2776 metadata_global_autocopy = 0;
2777 if (m->type == 's' || m1->type == 's')
2778 metadata_streams_autocopy = 0;
2779 if (m->type == 'c' || m1->type == 'c')
2780 metadata_chapters_autocopy = 0;
2785 static int opt_input_ts_scale(const char *opt, const char *arg)
2787 return av_dict_set(&ts_scale, opt, arg, 0);
2790 static int opt_recording_time(const char *opt, const char *arg)
2792 recording_time = parse_time_or_die(opt, arg, 1);
2796 static int opt_start_time(const char *opt, const char *arg)
2798 start_time = parse_time_or_die(opt, arg, 1);
2802 static int opt_input_ts_offset(const char *opt, const char *arg)
2804 input_ts_offset = parse_time_or_die(opt, arg, 1);
2808 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2810 const char *codec_string = encoder ? "encoder" : "decoder";
2814 return CODEC_ID_NONE;
2816 avcodec_find_encoder_by_name(name) :
2817 avcodec_find_decoder_by_name(name);
2819 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2822 if(codec->type != type) {
2823 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2829 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
2831 AVDictionaryEntry *e = NULL;
2832 char *codec_name = NULL;
2835 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
2836 char *p = strchr(e->key, ':');
2838 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
2839 codec_name = e->value;
2846 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2847 return avcodec_find_encoder(st->codec->codec_id);
2849 } else if (!strcmp(codec_name, "copy"))
2850 st->stream_copy = 1;
2852 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2853 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2854 avcodec_find_decoder_by_name(codec_name);
2861 * Add all the streams from the given input file to the global
2862 * list of input streams.
2864 static void add_input_streams(AVFormatContext *ic)
2866 int i, rfps, rfps_base, ret;
2868 for (i = 0; i < ic->nb_streams; i++) {
2869 AVStream *st = ic->streams[i];
2870 AVCodecContext *dec = st->codec;
2871 AVDictionaryEntry *e = NULL;
2875 dec->thread_count = thread_count;
2877 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2878 ist = &input_streams[nb_input_streams - 1];
2880 ist->file_index = nb_input_files;
2882 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2884 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
2885 char *p = strchr(e->key, ':');
2887 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
2893 ist->ts_scale = strtod(scale, NULL);
2895 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
2897 ist->dec = avcodec_find_decoder(dec->codec_id);
2899 switch (dec->codec_type) {
2900 case AVMEDIA_TYPE_AUDIO:
2902 st->discard= AVDISCARD_ALL;
2904 case AVMEDIA_TYPE_VIDEO:
2905 rfps = ic->streams[i]->r_frame_rate.num;
2906 rfps_base = ic->streams[i]->r_frame_rate.den;
2908 dec->flags |= CODEC_FLAG_EMU_EDGE;
2909 dec->height >>= dec->lowres;
2910 dec->width >>= dec->lowres;
2913 dec->debug |= FF_DEBUG_MV;
2915 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2918 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2919 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2921 (float)rfps / rfps_base, rfps, rfps_base);
2925 st->discard= AVDISCARD_ALL;
2926 else if(video_discard)
2927 st->discard= video_discard;
2929 case AVMEDIA_TYPE_DATA:
2931 case AVMEDIA_TYPE_SUBTITLE:
2932 if(subtitle_disable)
2933 st->discard = AVDISCARD_ALL;
2935 case AVMEDIA_TYPE_ATTACHMENT:
2936 case AVMEDIA_TYPE_UNKNOWN:
2944 static int opt_input_file(const char *opt, const char *filename)
2946 AVFormatContext *ic;
2947 AVInputFormat *file_iformat = NULL;
2951 AVDictionary **opts;
2952 int orig_nb_streams; // number of streams before avformat_find_stream_info
2954 if (last_asked_format) {
2955 if (!(file_iformat = av_find_input_format(last_asked_format))) {
2956 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
2959 last_asked_format = NULL;
2962 if (!strcmp(filename, "-"))
2965 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2966 !strcmp(filename, "/dev/stdin");
2968 /* get default parameters from command line */
2969 ic = avformat_alloc_context();
2971 print_error(filename, AVERROR(ENOMEM));
2974 if (audio_sample_rate) {
2975 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
2976 av_dict_set(&format_opts, "sample_rate", buf, 0);
2978 if (audio_channels) {
2979 snprintf(buf, sizeof(buf), "%d", audio_channels);
2980 av_dict_set(&format_opts, "channels", buf, 0);
2982 if (frame_rate.num) {
2983 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
2984 av_dict_set(&format_opts, "framerate", buf, 0);
2986 if (frame_width && frame_height) {
2987 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
2988 av_dict_set(&format_opts, "video_size", buf, 0);
2990 if (frame_pix_fmt != PIX_FMT_NONE)
2991 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
2993 ic->flags |= AVFMT_FLAG_NONBLOCK;
2995 /* open the input file with generic libav function */
2996 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2998 print_error(filename, err);
3001 assert_avoptions(format_opts);
3006 for(i=0; i<ic->nb_streams; i++){
3007 ic->streams[i]->discard= AVDISCARD_ALL;
3009 for(i=0; i<ic->nb_programs; i++){
3010 AVProgram *p= ic->programs[i];
3011 if(p->id != opt_programid){
3012 p->discard = AVDISCARD_ALL;
3015 for(j=0; j<p->nb_stream_indexes; j++){
3016 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3021 fprintf(stderr, "Specified program id not found\n");
3027 /* apply forced codec ids */
3028 for (i = 0; i < ic->nb_streams; i++)
3029 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
3031 /* Set AVCodecContext options for avformat_find_stream_info */
3032 opts = setup_find_stream_info_opts(ic, codec_opts);
3033 orig_nb_streams = ic->nb_streams;
3035 /* If not enough info to get the stream parameters, we decode the
3036 first frames to get it. (used in mpeg case for example) */
3037 ret = avformat_find_stream_info(ic, opts);
3038 if (ret < 0 && verbose >= 0) {
3039 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3040 av_close_input_file(ic);
3044 timestamp = start_time;
3045 /* add the stream start time */
3046 if (ic->start_time != AV_NOPTS_VALUE)
3047 timestamp += ic->start_time;
3049 /* if seeking requested, we execute it */
3050 if (start_time != 0) {
3051 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3053 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3054 filename, (double)timestamp / AV_TIME_BASE);
3056 /* reset seek info */
3060 /* update the current parameters so that they match the one of the input stream */
3061 add_input_streams(ic);
3063 /* dump the file content */
3065 av_dump_format(ic, nb_input_files, filename, 0);
3067 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3068 input_files[nb_input_files - 1].ctx = ic;
3069 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3070 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3072 frame_rate = (AVRational){0, 0};
3073 frame_pix_fmt = PIX_FMT_NONE;
3076 audio_sample_rate = 0;
3078 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3079 av_dict_free(&ts_scale);
3080 input_ts_offset = 0;
3082 for (i = 0; i < orig_nb_streams; i++)
3083 av_dict_free(&opts[i]);
3085 av_dict_free(&codec_names);
3091 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3092 AVCodecContext *avctx)
3098 for (p = kf; *p; p++)
3101 ost->forced_kf_count = n;
3102 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3103 if (!ost->forced_kf_pts) {
3104 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3107 for (i = 0; i < n; i++) {
3108 p = i ? strchr(p, ',') + 1 : kf;
3109 t = parse_time_or_die("force_key_frames", p, 1);
3110 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3114 static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type)
3117 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3118 int idx = oc->nb_streams - 1;
3121 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3125 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3126 nb_output_streams + 1);
3127 ost = &output_streams[nb_output_streams - 1];
3128 ost->file_index = nb_output_files;
3131 st->codec->codec_type = type;
3132 ost->enc = choose_codec(oc, st, type, codec_names);
3134 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3137 avcodec_get_context_defaults3(st->codec, ost->enc);
3138 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3140 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3144 static OutputStream *new_video_stream(AVFormatContext *oc)
3148 AVCodecContext *video_enc;
3150 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO);
3152 if (!st->stream_copy) {
3153 ost->frame_aspect_ratio = frame_aspect_ratio;
3154 frame_aspect_ratio = 0;
3156 ost->avfilter= vfilters;
3161 ost->bitstream_filters = video_bitstream_filters;
3162 video_bitstream_filters= NULL;
3164 st->codec->thread_count= thread_count;
3166 video_enc = st->codec;
3169 video_enc->codec_tag= video_codec_tag;
3171 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3172 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3175 if (st->stream_copy) {
3176 video_enc->sample_aspect_ratio =
3177 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3183 ost->frame_rate = frame_rate;
3185 video_enc->width = frame_width;
3186 video_enc->height = frame_height;
3187 video_enc->pix_fmt = frame_pix_fmt;
3188 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3190 if (video_qscale || same_quant) {
3191 video_enc->flags |= CODEC_FLAG_QSCALE;
3192 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3196 video_enc->intra_matrix = intra_matrix;
3198 video_enc->inter_matrix = inter_matrix;
3200 p= video_rc_override_string;
3203 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3205 fprintf(stderr, "error parsing rc_override\n");
3208 video_enc->rc_override=
3209 av_realloc(video_enc->rc_override,
3210 sizeof(RcOverride)*(i+1));
3211 video_enc->rc_override[i].start_frame= start;
3212 video_enc->rc_override[i].end_frame = end;
3214 video_enc->rc_override[i].qscale= q;
3215 video_enc->rc_override[i].quality_factor= 1.0;
3218 video_enc->rc_override[i].qscale= 0;
3219 video_enc->rc_override[i].quality_factor= -q/100.0;
3224 video_enc->rc_override_count=i;
3225 if (!video_enc->rc_initial_buffer_occupancy)
3226 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3227 video_enc->me_threshold= me_threshold;
3228 video_enc->intra_dc_precision= intra_dc_precision - 8;
3231 video_enc->flags|= CODEC_FLAG_PSNR;
3236 video_enc->flags |= CODEC_FLAG_PASS1;
3238 video_enc->flags |= CODEC_FLAG_PASS2;
3242 if (forced_key_frames)
3243 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3245 if (video_language) {
3246 av_dict_set(&st->metadata, "language", video_language, 0);
3247 av_freep(&video_language);
3250 /* reset some key parameters */
3252 av_freep(&forced_key_frames);
3253 frame_pix_fmt = PIX_FMT_NONE;
3257 static OutputStream *new_audio_stream(AVFormatContext *oc)
3261 AVCodecContext *audio_enc;
3263 ost = new_output_stream(oc, AVMEDIA_TYPE_AUDIO);
3266 ost->bitstream_filters = audio_bitstream_filters;
3267 audio_bitstream_filters= NULL;
3269 st->codec->thread_count= thread_count;
3271 audio_enc = st->codec;
3272 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3275 audio_enc->codec_tag= audio_codec_tag;
3277 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3278 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3280 if (!st->stream_copy) {
3281 if (audio_qscale > QSCALE_NONE) {
3282 audio_enc->flags |= CODEC_FLAG_QSCALE;
3283 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3286 audio_enc->channels = audio_channels;
3287 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3288 audio_enc->sample_fmt = audio_sample_fmt;
3289 if (audio_sample_rate)
3290 audio_enc->sample_rate = audio_sample_rate;
3292 if (audio_language) {
3293 av_dict_set(&st->metadata, "language", audio_language, 0);
3294 av_freep(&audio_language);
3297 /* reset some key parameters */
3303 static OutputStream *new_data_stream(AVFormatContext *oc)
3307 AVCodecContext *data_enc;
3309 ost = new_output_stream(oc, AVMEDIA_TYPE_DATA);
3311 data_enc = st->codec;
3312 if (!st->stream_copy) {
3313 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3318 data_enc->codec_tag= data_codec_tag;
3320 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3321 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3328 static OutputStream *new_subtitle_stream(AVFormatContext *oc)
3332 AVCodecContext *subtitle_enc;
3334 ost = new_output_stream(oc, AVMEDIA_TYPE_SUBTITLE);
3336 subtitle_enc = st->codec;
3338 ost->bitstream_filters = subtitle_bitstream_filters;
3339 subtitle_bitstream_filters= NULL;
3341 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3343 if(subtitle_codec_tag)
3344 subtitle_enc->codec_tag= subtitle_codec_tag;
3346 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3347 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3350 if (subtitle_language) {
3351 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3352 av_freep(&subtitle_language);
3355 subtitle_disable = 0;
3359 /* arg format is "output-stream-index:streamid-value". */
3360 static int opt_streamid(const char *opt, const char *arg)
3366 av_strlcpy(idx_str, arg, sizeof(idx_str));
3367 p = strchr(idx_str, ':');
3370 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3375 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3376 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3377 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3381 static int copy_chapters(int infile, int outfile)
3383 AVFormatContext *is = input_files[infile].ctx;
3384 AVFormatContext *os = output_files[outfile].ctx;
3387 for (i = 0; i < is->nb_chapters; i++) {
3388 AVChapter *in_ch = is->chapters[i], *out_ch;
3389 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
3390 AV_TIME_BASE_Q, in_ch->time_base);
3391 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
3392 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3395 if (in_ch->end < ts_off)
3397 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3400 out_ch = av_mallocz(sizeof(AVChapter));
3402 return AVERROR(ENOMEM);
3404 out_ch->id = in_ch->id;
3405 out_ch->time_base = in_ch->time_base;
3406 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3407 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3409 if (metadata_chapters_autocopy)
3410 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3413 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3415 return AVERROR(ENOMEM);
3416 os->chapters[os->nb_chapters - 1] = out_ch;
3421 static int read_avserver_streams(AVFormatContext *s, const char *filename)
3424 AVFormatContext *ic = NULL;
3426 err = avformat_open_input(&ic, filename, NULL, NULL);
3429 /* copy stream format */
3430 for(i=0;i<ic->nb_streams;i++) {
3435 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3436 ost = new_output_stream(s, codec->type);
3439 // FIXME: a more elegant solution is needed
3440 memcpy(st, ic->streams[i], sizeof(AVStream));
3442 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3444 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3445 choose_sample_fmt(st, codec);
3446 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3447 choose_pixel_fmt(st, codec);
3450 av_close_input_file(ic);
3454 static void opt_output_file(const char *filename)
3456 AVFormatContext *oc;
3458 AVOutputFormat *file_oformat;
3462 if (!strcmp(filename, "-"))
3465 oc = avformat_alloc_context();
3467 print_error(filename, AVERROR(ENOMEM));
3471 if (last_asked_format) {
3472 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3473 if (!file_oformat) {
3474 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3477 last_asked_format = NULL;
3479 file_oformat = av_guess_format(NULL, filename, NULL);
3480 if (!file_oformat) {
3481 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3487 oc->oformat = file_oformat;
3488 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3490 if (!strcmp(file_oformat->name, "ffm") &&
3491 av_strstart(filename, "http:", NULL)) {
3492 /* special case for files sent to avserver: we get the stream
3493 parameters from avserver */
3494 int err = read_avserver_streams(oc, filename);
3496 print_error(filename, err);
3499 } else if (!nb_stream_maps) {
3500 /* pick the "best" stream of each type */
3501 #define NEW_STREAM(type, index)\
3503 ost = new_ ## type ## _stream(oc);\
3504 ost->source_index = index;\
3505 ost->sync_ist = &input_streams[index];\
3506 input_streams[index].discard = 0;\
3509 /* video: highest resolution */
3510 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3511 int area = 0, idx = -1;
3512 for (i = 0; i < nb_input_streams; i++) {
3513 ist = &input_streams[i];
3514 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3515 ist->st->codec->width * ist->st->codec->height > area) {
3516 area = ist->st->codec->width * ist->st->codec->height;
3520 NEW_STREAM(video, idx);
3523 /* audio: most channels */
3524 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3525 int channels = 0, idx = -1;
3526 for (i = 0; i < nb_input_streams; i++) {
3527 ist = &input_streams[i];
3528 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3529 ist->st->codec->channels > channels) {
3530 channels = ist->st->codec->channels;
3534 NEW_STREAM(audio, idx);
3537 /* subtitles: pick first */
3538 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3539 for (i = 0; i < nb_input_streams; i++)
3540 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3541 NEW_STREAM(subtitle, i);
3545 /* do something with data? */
3547 for (i = 0; i < nb_stream_maps; i++) {
3548 StreamMap *map = &stream_maps[i];
3553 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3554 switch (ist->st->codec->codec_type) {
3555 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc); break;
3556 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc); break;
3557 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc); break;
3558 case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc); break;
3560 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3561 map->file_index, map->stream_index);
3565 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3566 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3567 map->sync_stream_index];
3572 av_dict_copy(&oc->metadata, metadata, 0);
3573 av_dict_free(&metadata);
3576 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3577 output_files[nb_output_files - 1].ctx = oc;
3578 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3579 output_files[nb_output_files - 1].recording_time = recording_time;
3580 output_files[nb_output_files - 1].start_time = start_time;
3581 output_files[nb_output_files - 1].limit_filesize = limit_filesize;
3582 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3584 /* check filename in case of an image number is expected */
3585 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3586 if (!av_filename_number_test(oc->filename)) {
3587 print_error(oc->filename, AVERROR(EINVAL));
3592 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3593 /* test if it already exists to avoid loosing precious files */
3594 if (!file_overwrite &&
3595 (strchr(filename, ':') == NULL ||
3596 filename[1] == ':' ||
3597 av_strstart(filename, "file:", NULL))) {
3598 if (avio_check(filename, 0) == 0) {
3600 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3602 if (!read_yesno()) {
3603 fprintf(stderr, "Not overwriting - exiting\n");
3608 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3615 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3616 print_error(filename, err);
3621 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3622 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3623 oc->flags |= AVFMT_FLAG_NONBLOCK;
3626 if (chapters_input_file >= nb_input_files) {
3627 if (chapters_input_file == INT_MAX) {
3628 /* copy chapters from the first input file that has them*/
3629 chapters_input_file = -1;
3630 for (i = 0; i < nb_input_files; i++)
3631 if (input_files[i].ctx->nb_chapters) {
3632 chapters_input_file = i;
3636 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3637 chapters_input_file);
3641 if (chapters_input_file >= 0)
3642 copy_chapters(chapters_input_file, nb_output_files - 1);
3645 for (i = 0; i < nb_meta_data_maps; i++) {
3646 AVFormatContext *files[2];
3647 AVDictionary **meta[2];
3650 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3651 if ((index) < 0 || (index) >= (nb_elems)) {\
3652 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3657 int in_file_index = meta_data_maps[i][1].file;
3658 if (in_file_index < 0)
3660 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3663 files[1] = input_files[in_file_index].ctx;
3665 for (j = 0; j < 2; j++) {
3666 MetadataMap *map = &meta_data_maps[i][j];
3668 switch (map->type) {
3670 meta[j] = &files[j]->metadata;
3673 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3674 meta[j] = &files[j]->streams[map->index]->metadata;
3677 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3678 meta[j] = &files[j]->chapters[map->index]->metadata;
3681 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3682 meta[j] = &files[j]->programs[map->index]->metadata;
3687 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3690 /* copy global metadata by default */
3691 if (metadata_global_autocopy && nb_input_files)
3692 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3693 AV_DICT_DONT_OVERWRITE);
3694 if (metadata_streams_autocopy)
3695 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3696 InputStream *ist = &input_streams[output_streams[i].source_index];
3697 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3700 frame_rate = (AVRational){0, 0};
3703 audio_sample_rate = 0;
3705 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3706 chapters_input_file = INT_MAX;
3707 recording_time = INT64_MAX;
3709 limit_filesize = UINT64_MAX;
3711 av_freep(&meta_data_maps);
3712 nb_meta_data_maps = 0;
3713 metadata_global_autocopy = 1;
3714 metadata_streams_autocopy = 1;
3715 metadata_chapters_autocopy = 1;
3716 av_freep(&stream_maps);
3718 av_freep(&streamid_map);
3719 nb_streamid_map = 0;
3721 av_dict_free(&codec_names);
3723 av_freep(&forced_key_frames);
3728 /* same option as mencoder */
3729 static int opt_pass(const char *opt, const char *arg)
3731 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3735 static int64_t getutime(void)
3738 struct rusage rusage;
3740 getrusage(RUSAGE_SELF, &rusage);
3741 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3742 #elif HAVE_GETPROCESSTIMES
3744 FILETIME c, e, k, u;
3745 proc = GetCurrentProcess();
3746 GetProcessTimes(proc, &c, &e, &k, &u);
3747 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3749 return av_gettime();
3753 static int64_t getmaxrss(void)
3755 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3756 struct rusage rusage;
3757 getrusage(RUSAGE_SELF, &rusage);
3758 return (int64_t)rusage.ru_maxrss * 1024;
3759 #elif HAVE_GETPROCESSMEMORYINFO
3761 PROCESS_MEMORY_COUNTERS memcounters;
3762 proc = GetCurrentProcess();
3763 memcounters.cb = sizeof(memcounters);
3764 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3765 return memcounters.PeakPagefileUsage;
3771 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3774 const char *p = str;
3781 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3788 static void opt_inter_matrix(const char *arg)
3790 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3791 parse_matrix_coeffs(inter_matrix, arg);
3794 static void opt_intra_matrix(const char *arg)
3796 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3797 parse_matrix_coeffs(intra_matrix, arg);
3800 static void show_usage(void)
3802 printf("Hyper fast Audio and Video encoder\n");
3803 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3807 static void show_help(void)
3810 AVOutputFormat *oformat = NULL;
3811 AVInputFormat *iformat = NULL;
3813 av_log_set_callback(log_callback_help);
3815 show_help_options(options, "Main options:\n",
3816 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3817 show_help_options(options, "\nAdvanced options:\n",
3818 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3820 show_help_options(options, "\nVideo options:\n",
3821 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3823 show_help_options(options, "\nAdvanced Video options:\n",
3824 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3825 OPT_VIDEO | OPT_EXPERT);
3826 show_help_options(options, "\nAudio options:\n",
3827 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3829 show_help_options(options, "\nAdvanced Audio options:\n",
3830 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3831 OPT_AUDIO | OPT_EXPERT);
3832 show_help_options(options, "\nSubtitle options:\n",
3833 OPT_SUBTITLE | OPT_GRAB,
3835 show_help_options(options, "\nAudio/Video grab options:\n",
3839 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3842 /* individual codec options */
3844 while ((c = av_codec_next(c))) {
3845 if (c->priv_class) {
3846 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3851 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3854 /* individual muxer options */
3855 while ((oformat = av_oformat_next(oformat))) {
3856 if (oformat->priv_class) {
3857 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3862 /* individual demuxer options */
3863 while ((iformat = av_iformat_next(iformat))) {
3864 if (iformat->priv_class) {
3865 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3870 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3873 static int opt_target(const char *opt, const char *arg)
3875 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3876 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3878 if(!strncmp(arg, "pal-", 4)) {
3881 } else if(!strncmp(arg, "ntsc-", 5)) {
3884 } else if(!strncmp(arg, "film-", 5)) {
3889 /* Calculate FR via float to avoid int overflow */
3890 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3893 } else if((fr == 29970) || (fr == 23976)) {
3896 /* Try to determine PAL/NTSC by peeking in the input files */
3897 if(nb_input_files) {
3899 for (j = 0; j < nb_input_files; j++) {
3900 for (i = 0; i < input_files[j].ctx->nb_streams; i++) {
3901 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
3902 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3904 fr = c->time_base.den * 1000 / c->time_base.num;
3908 } else if((fr == 29970) || (fr == 23976)) {
3918 if(verbose > 0 && norm != UNKNOWN)
3919 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3922 if(norm == UNKNOWN) {
3923 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3924 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3925 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3929 if(!strcmp(arg, "vcd")) {
3930 opt_codec("c:v", "mpeg1video");
3931 opt_codec("c:a", "mp2");
3932 opt_format("f", "vcd");
3934 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
3935 opt_frame_rate("r", frame_rates[norm]);
3936 opt_default("g", norm == PAL ? "15" : "18");
3938 opt_default("b", "1150000");
3939 opt_default("maxrate", "1150000");
3940 opt_default("minrate", "1150000");
3941 opt_default("bufsize", "327680"); // 40*1024*8;
3943 opt_default("b:a", "224000");
3944 audio_sample_rate = 44100;
3947 opt_default("packetsize", "2324");
3948 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3950 /* We have to offset the PTS, so that it is consistent with the SCR.
3951 SCR starts at 36000, but the first two packs contain only padding
3952 and the first pack from the other stream, respectively, may also have
3953 been written before.
3954 So the real data starts at SCR 36000+3*1200. */
3955 mux_preload= (36000+3*1200) / 90000.0; //0.44
3956 } else if(!strcmp(arg, "svcd")) {
3958 opt_codec("c:v", "mpeg2video");
3959 opt_codec("c:a", "mp2");
3960 opt_format("f", "svcd");
3962 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
3963 opt_frame_rate("r", frame_rates[norm]);
3964 opt_default("g", norm == PAL ? "15" : "18");
3966 opt_default("b", "2040000");
3967 opt_default("maxrate", "2516000");
3968 opt_default("minrate", "0"); //1145000;
3969 opt_default("bufsize", "1835008"); //224*1024*8;
3970 opt_default("flags", "+scan_offset");
3973 opt_default("b:a", "224000");
3974 audio_sample_rate = 44100;
3976 opt_default("packetsize", "2324");
3978 } else if(!strcmp(arg, "dvd")) {
3980 opt_codec("c:v", "mpeg2video");
3981 opt_codec("c:a", "ac3");
3982 opt_format("f", "dvd");
3984 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
3985 opt_frame_rate("r", frame_rates[norm]);
3986 opt_default("g", norm == PAL ? "15" : "18");
3988 opt_default("b", "6000000");
3989 opt_default("maxrate", "9000000");
3990 opt_default("minrate", "0"); //1500000;
3991 opt_default("bufsize", "1835008"); //224*1024*8;
3993 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3994 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3996 opt_default("b:a", "448000");
3997 audio_sample_rate = 48000;
3999 } else if(!strncmp(arg, "dv", 2)) {
4001 opt_format("f", "dv");
4003 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
4004 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4005 norm == PAL ? "yuv420p" : "yuv411p");
4006 opt_frame_rate("r", frame_rates[norm]);
4008 audio_sample_rate = 48000;
4012 fprintf(stderr, "Unknown target: %s\n", arg);
4013 return AVERROR(EINVAL);
4018 static int opt_vstats_file(const char *opt, const char *arg)
4020 av_free (vstats_filename);
4021 vstats_filename=av_strdup (arg);
4025 static int opt_vstats(const char *opt, const char *arg)
4028 time_t today2 = time(NULL);
4029 struct tm *today = localtime(&today2);
4031 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4033 return opt_vstats_file(opt, filename);
4036 static int opt_bsf(const char *opt, const char *arg)
4038 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4039 AVBitStreamFilterContext **bsfp;
4042 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4046 bsfp= *opt == 'v' ? &video_bitstream_filters :
4047 *opt == 'a' ? &audio_bitstream_filters :
4048 &subtitle_bitstream_filters;
4050 bsfp= &(*bsfp)->next;
4057 static const OptionDef options[] = {
4059 #include "cmdutils_common_opts.h"
4060 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4061 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4062 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4063 { "c", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4064 { "codec", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4065 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4066 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4067 "outfile[,metadata]:infile[,metadata]" },
4068 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&chapters_input_file}, "set chapters mapping", "input_file_index" },
4069 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4070 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4071 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4072 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4073 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "scale" },
4074 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4075 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4076 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4077 "add timings for benchmarking" },
4078 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4079 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4080 "dump each input packet" },
4081 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4082 "when dumping packets, also dump the payload" },
4083 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4084 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4085 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4086 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4087 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4088 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4089 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4090 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4091 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4092 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4093 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4094 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4095 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4096 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4099 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4100 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4101 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4102 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4103 { "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" },
4104 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4105 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4106 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4107 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4108 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4109 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4110 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4111 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4112 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4113 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4114 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4115 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4116 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4117 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4118 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimation threshold", "threshold" },
4119 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4120 "use same quantizer as source (implies VBR)" },
4121 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4122 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4123 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4124 "deinterlace pictures" },
4125 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4126 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4127 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4129 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4131 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4132 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4133 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4134 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4135 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4136 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4137 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4138 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4139 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4140 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4143 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4144 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4145 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4146 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4147 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4148 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4149 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4150 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4151 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4152 { "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" },
4154 /* subtitle options */
4155 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4156 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4157 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4158 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4161 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4164 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4165 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4167 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4168 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4169 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4171 /* data codec support */
4172 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4174 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4178 int main(int argc, char **argv)
4182 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4184 avcodec_register_all();
4186 avdevice_register_all();
4189 avfilter_register_all();
4193 avio_set_interrupt_cb(decode_interrupt_cb);
4200 parse_options(argc, argv, options, opt_output_file);
4202 if(nb_output_files <= 0 && nb_input_files == 0) {
4204 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4208 /* file converter / grab */
4209 if (nb_output_files <= 0) {
4210 fprintf(stderr, "At least one output file must be specified\n");
4214 if (nb_input_files == 0) {
4215 fprintf(stderr, "At least one input file must be specified\n");
4220 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4222 ti = getutime() - ti;
4224 int maxrss = getmaxrss() / 1024;
4225 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4228 return exit_program(0);