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;
1634 // preprocess audio (volume)
1635 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1636 if (audio_volume != 256) {
1639 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1640 int v = ((*volp) * audio_volume + 128) >> 8;
1641 *volp++ = av_clip_int16(v);
1646 /* frame rate emulation */
1648 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1649 int64_t now = av_gettime() - ist->start;
1653 /* if output time reached then transcode raw format,
1654 encode packets and output them */
1655 for (i = 0; i < nb_ostreams; i++) {
1656 OutputFile *of = &output_files[ost_table[i].file_index];
1659 ost = &ost_table[i];
1660 if (ost->source_index != ist_index)
1663 if (of->start_time && ist->pts < of->start_time)
1666 if (of->recording_time != INT64_MAX &&
1667 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1668 (AVRational){1, 1000000}) >= 0) {
1669 ost->is_past_recording_time = 1;
1674 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1675 ost->input_video_filter) {
1677 if (ist->st->sample_aspect_ratio.num)
1678 sar = ist->st->sample_aspect_ratio;
1680 sar = ist->st->codec->sample_aspect_ratio;
1681 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, ist->pts, sar);
1683 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1684 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1685 while (frame_available) {
1686 AVRational ist_pts_tb;
1687 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1688 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1690 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1692 os = output_files[ost->file_index].ctx;
1694 /* set the input output pts pairs */
1695 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1697 if (ost->encoding_needed) {
1698 av_assert0(ist->decoding_needed);
1699 switch(ost->st->codec->codec_type) {
1700 case AVMEDIA_TYPE_AUDIO:
1701 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1703 case AVMEDIA_TYPE_VIDEO:
1705 if (ost->picref->video && !ost->frame_aspect_ratio)
1706 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1708 do_video_out(os, ost, ist, &picture, &frame_size,
1709 same_quant ? quality : ost->st->codec->global_quality);
1710 if (vstats_filename && frame_size)
1711 do_video_stats(os, ost, frame_size);
1713 case AVMEDIA_TYPE_SUBTITLE:
1714 do_subtitle_out(os, ost, ist, &subtitle,
1721 AVFrame avframe; //FIXME/XXX remove this
1723 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1725 av_init_packet(&opkt);
1727 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1728 #if !CONFIG_AVFILTER
1734 /* no reencoding needed : output the packet directly */
1735 /* force the input stream PTS */
1737 avcodec_get_frame_defaults(&avframe);
1738 ost->st->codec->coded_frame= &avframe;
1739 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1741 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1742 audio_size += data_size;
1743 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1744 video_size += data_size;
1748 opkt.stream_index= ost->index;
1749 if(pkt->pts != AV_NOPTS_VALUE)
1750 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1752 opkt.pts= AV_NOPTS_VALUE;
1754 if (pkt->dts == AV_NOPTS_VALUE)
1755 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1757 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1758 opkt.dts -= ost_tb_start_time;
1760 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1761 opkt.flags= pkt->flags;
1763 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1764 if( ost->st->codec->codec_id != CODEC_ID_H264
1765 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1766 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1768 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1769 opkt.destruct= av_destruct_packet;
1771 opkt.data = data_buf;
1772 opkt.size = data_size;
1775 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1776 ost->st->codec->frame_number++;
1777 ost->frame_number++;
1778 av_free_packet(&opkt);
1782 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1783 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1785 avfilter_unref_buffer(ost->picref);
1790 av_free(buffer_to_free);
1791 /* XXX: allocate the subtitles in the codec ? */
1792 if (subtitle_to_free) {
1793 avsubtitle_free(subtitle_to_free);
1794 subtitle_to_free = NULL;
1802 static void print_sdp(OutputFile *output_files, int n)
1806 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1810 for (i = 0; i < n; i++)
1811 avc[i] = output_files[i].ctx;
1813 av_sdp_create(avc, n, sdp, sizeof(sdp));
1814 printf("SDP:\n%s\n", sdp);
1819 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1820 char *error, int error_len)
1823 InputStream *ist = &input_streams[ist_index];
1824 if (ist->decoding_needed) {
1825 AVCodec *codec = ist->dec;
1827 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
1828 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1829 return AVERROR(EINVAL);
1832 /* update requested sample format for the decoder based on the
1833 corresponding encoder sample format */
1834 for (i = 0; i < nb_output_streams; i++) {
1835 OutputStream *ost = &output_streams[i];
1836 if (ost->source_index == ist_index) {
1837 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1842 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1843 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
1844 ist->file_index, ist->st->index);
1845 return AVERROR(EINVAL);
1847 assert_codec_experimental(ist->st->codec, 0);
1848 assert_avoptions(ist->opts);
1851 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;
1852 ist->next_pts = AV_NOPTS_VALUE;
1853 init_pts_correction(&ist->pts_ctx);
1859 static int transcode_init(OutputFile *output_files,
1860 int nb_output_files,
1861 InputFile *input_files,
1865 AVFormatContext *os;
1866 AVCodecContext *codec, *icodec;
1873 for (i = 0; i < nb_input_streams; i++)
1874 input_streams[i].start = av_gettime();
1876 /* output stream init */
1877 for(i=0;i<nb_output_files;i++) {
1878 os = output_files[i].ctx;
1879 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1880 av_dump_format(os, i, os->filename, 1);
1881 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1882 return AVERROR(EINVAL);
1886 /* for each output stream, we compute the right encoding parameters */
1887 for (i = 0; i < nb_output_streams; i++) {
1888 ost = &output_streams[i];
1889 os = output_files[ost->file_index].ctx;
1890 ist = &input_streams[ost->source_index];
1892 codec = ost->st->codec;
1893 icodec = ist->st->codec;
1895 ost->st->disposition = ist->st->disposition;
1896 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1897 codec->chroma_sample_location = icodec->chroma_sample_location;
1899 if (ost->st->stream_copy) {
1900 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1902 if (extra_size > INT_MAX) {
1903 return AVERROR(EINVAL);
1906 /* if stream_copy is selected, no need to decode or encode */
1907 codec->codec_id = icodec->codec_id;
1908 codec->codec_type = icodec->codec_type;
1910 if(!codec->codec_tag){
1911 if( !os->oformat->codec_tag
1912 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1913 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1914 codec->codec_tag = icodec->codec_tag;
1917 codec->bit_rate = icodec->bit_rate;
1918 codec->rc_max_rate = icodec->rc_max_rate;
1919 codec->rc_buffer_size = icodec->rc_buffer_size;
1920 codec->extradata= av_mallocz(extra_size);
1921 if (!codec->extradata) {
1922 return AVERROR(ENOMEM);
1924 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1925 codec->extradata_size= icodec->extradata_size;
1926 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){
1927 codec->time_base = icodec->time_base;
1928 codec->time_base.num *= icodec->ticks_per_frame;
1929 av_reduce(&codec->time_base.num, &codec->time_base.den,
1930 codec->time_base.num, codec->time_base.den, INT_MAX);
1932 codec->time_base = ist->st->time_base;
1933 switch(codec->codec_type) {
1934 case AVMEDIA_TYPE_AUDIO:
1935 if(audio_volume != 256) {
1936 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1939 codec->channel_layout = icodec->channel_layout;
1940 codec->sample_rate = icodec->sample_rate;
1941 codec->channels = icodec->channels;
1942 codec->frame_size = icodec->frame_size;
1943 codec->audio_service_type = icodec->audio_service_type;
1944 codec->block_align= icodec->block_align;
1945 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1946 codec->block_align= 0;
1947 if(codec->codec_id == CODEC_ID_AC3)
1948 codec->block_align= 0;
1950 case AVMEDIA_TYPE_VIDEO:
1951 codec->pix_fmt = icodec->pix_fmt;
1952 codec->width = icodec->width;
1953 codec->height = icodec->height;
1954 codec->has_b_frames = icodec->has_b_frames;
1955 if (!codec->sample_aspect_ratio.num) {
1956 codec->sample_aspect_ratio =
1957 ost->st->sample_aspect_ratio =
1958 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1959 ist->st->codec->sample_aspect_ratio.num ?
1960 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1963 case AVMEDIA_TYPE_SUBTITLE:
1964 codec->width = icodec->width;
1965 codec->height = icodec->height;
1967 case AVMEDIA_TYPE_DATA:
1974 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
1975 switch(codec->codec_type) {
1976 case AVMEDIA_TYPE_AUDIO:
1977 ost->fifo= av_fifo_alloc(1024);
1979 return AVERROR(ENOMEM);
1981 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
1982 if (!codec->sample_rate) {
1983 codec->sample_rate = icodec->sample_rate;
1985 codec->sample_rate >>= icodec->lowres;
1987 choose_sample_rate(ost->st, ost->enc);
1988 codec->time_base = (AVRational){1, codec->sample_rate};
1989 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
1990 codec->sample_fmt = icodec->sample_fmt;
1991 choose_sample_fmt(ost->st, ost->enc);
1992 if (!codec->channels)
1993 codec->channels = icodec->channels;
1994 codec->channel_layout = icodec->channel_layout;
1995 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
1996 codec->channel_layout = 0;
1997 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1998 icodec->request_channels = codec->channels;
1999 ist->decoding_needed = 1;
2000 ost->encoding_needed = 1;
2001 ost->resample_sample_fmt = icodec->sample_fmt;
2002 ost->resample_sample_rate = icodec->sample_rate;
2003 ost->resample_channels = icodec->channels;
2005 case AVMEDIA_TYPE_VIDEO:
2006 if (codec->pix_fmt == PIX_FMT_NONE)
2007 codec->pix_fmt = icodec->pix_fmt;
2008 choose_pixel_fmt(ost->st, ost->enc);
2010 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2011 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2015 if (!codec->width || !codec->height) {
2016 codec->width = icodec->width;
2017 codec->height = icodec->height;
2020 ost->video_resample = codec->width != icodec->width ||
2021 codec->height != icodec->height ||
2022 codec->pix_fmt != icodec->pix_fmt;
2023 if (ost->video_resample) {
2024 #if !CONFIG_AVFILTER
2025 avcodec_get_frame_defaults(&ost->pict_tmp);
2026 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2027 codec->width, codec->height)) {
2028 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2031 ost->img_resample_ctx = sws_getContext(
2038 ost->sws_flags, NULL, NULL, NULL);
2039 if (ost->img_resample_ctx == NULL) {
2040 fprintf(stderr, "Cannot get resampling context\n");
2044 codec->bits_per_raw_sample= 0;
2047 ost->resample_height = icodec->height;
2048 ost->resample_width = icodec->width;
2049 ost->resample_pix_fmt= icodec->pix_fmt;
2050 ost->encoding_needed = 1;
2051 ist->decoding_needed = 1;
2053 if (!ost->frame_rate.num)
2054 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2055 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2056 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2057 ost->frame_rate = ost->enc->supported_framerates[idx];
2059 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2062 if (configure_video_filters(ist, ost)) {
2063 fprintf(stderr, "Error opening filters!\n");
2068 case AVMEDIA_TYPE_SUBTITLE:
2069 ost->encoding_needed = 1;
2070 ist->decoding_needed = 1;
2077 if (ost->encoding_needed &&
2078 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2079 char logfilename[1024];
2082 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2083 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2085 if (codec->flags & CODEC_FLAG_PASS1) {
2086 f = fopen(logfilename, "wb");
2088 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2094 size_t logbuffer_size;
2095 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2096 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2099 codec->stats_in = logbuffer;
2103 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2104 int size= codec->width * codec->height;
2105 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2110 bit_buffer = av_malloc(bit_buffer_size);
2112 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2114 return AVERROR(ENOMEM);
2117 /* open each encoder */
2118 for (i = 0; i < nb_output_streams; i++) {
2119 ost = &output_streams[i];
2120 if (ost->encoding_needed) {
2121 AVCodec *codec = ost->enc;
2122 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2124 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2125 ost->st->codec->codec_id, ost->file_index, ost->index);
2126 ret = AVERROR(EINVAL);
2129 if (dec->subtitle_header) {
2130 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2131 if (!ost->st->codec->subtitle_header) {
2132 ret = AVERROR(ENOMEM);
2135 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2136 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2138 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2139 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2140 ost->file_index, ost->index);
2141 ret = AVERROR(EINVAL);
2144 assert_codec_experimental(ost->st->codec, 1);
2145 assert_avoptions(ost->opts);
2146 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2147 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2148 "It takes bits/s as argument, not kbits/s\n");
2149 extra_size += ost->st->codec->extradata_size;
2153 /* init input streams */
2154 for (i = 0; i < nb_input_streams; i++)
2155 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error)) < 0))
2158 /* open files and write file headers */
2159 for (i = 0; i < nb_output_files; i++) {
2160 os = output_files[i].ctx;
2161 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2162 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2163 ret = AVERROR(EINVAL);
2166 assert_avoptions(output_files[i].opts);
2167 if (strcmp(os->oformat->name, "rtp")) {
2173 /* dump the file output parameters - cannot be done before in case
2175 for(i=0;i<nb_output_files;i++) {
2176 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2179 /* dump the stream mapping */
2181 fprintf(stderr, "Stream mapping:\n");
2182 for (i = 0; i < nb_output_streams;i ++) {
2183 ost = &output_streams[i];
2184 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2185 input_streams[ost->source_index].file_index,
2186 input_streams[ost->source_index].st->index,
2189 if (ost->sync_ist != &input_streams[ost->source_index])
2190 fprintf(stderr, " [sync #%d.%d]",
2191 ost->sync_ist->file_index,
2192 ost->sync_ist->st->index);
2193 if (ost->st->stream_copy)
2194 fprintf(stderr, " (copy)");
2196 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2197 input_streams[ost->source_index].dec->name : "?",
2198 ost->enc ? ost->enc->name : "?");
2199 fprintf(stderr, "\n");
2204 fprintf(stderr, "%s\n", error);
2209 print_sdp(output_files, nb_output_files);
2216 * The following code is the main loop of the file converter
2218 static int transcode(OutputFile *output_files,
2219 int nb_output_files,
2220 InputFile *input_files,
2224 AVFormatContext *is, *os;
2228 int no_packet_count=0;
2229 int64_t timer_start;
2231 if (!(no_packet = av_mallocz(nb_input_files)))
2234 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2239 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2242 timer_start = av_gettime();
2244 for(; received_sigterm == 0;) {
2245 int file_index, ist_index;
2251 ipts_min = INT64_MAX;
2254 /* select the stream that we must read now by looking at the
2255 smallest output pts */
2257 for (i = 0; i < nb_output_streams; i++) {
2261 ost = &output_streams[i];
2262 of = &output_files[ost->file_index];
2263 os = output_files[ost->file_index].ctx;
2264 ist = &input_streams[ost->source_index];
2265 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2266 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2268 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2270 if (!input_files[ist->file_index].eof_reached){
2271 if(ipts < ipts_min) {
2273 if(input_sync ) file_index = ist->file_index;
2275 if(opts < opts_min) {
2277 if(!input_sync) file_index = ist->file_index;
2280 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2285 /* if none, if is finished */
2286 if (file_index < 0) {
2287 if(no_packet_count){
2289 memset(no_packet, 0, nb_input_files);
2296 /* read a frame from it and output it in the fifo */
2297 is = input_files[file_index].ctx;
2298 ret= av_read_frame(is, &pkt);
2299 if(ret == AVERROR(EAGAIN)){
2300 no_packet[file_index]=1;
2305 input_files[file_index].eof_reached = 1;
2313 memset(no_packet, 0, nb_input_files);
2316 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2317 is->streams[pkt.stream_index]);
2319 /* the following test is needed in case new streams appear
2320 dynamically in stream : we ignore them */
2321 if (pkt.stream_index >= input_files[file_index].ctx->nb_streams)
2322 goto discard_packet;
2323 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2324 ist = &input_streams[ist_index];
2326 goto discard_packet;
2328 if (pkt.dts != AV_NOPTS_VALUE)
2329 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2330 if (pkt.pts != AV_NOPTS_VALUE)
2331 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2333 if (ist->ts_scale) {
2334 if(pkt.pts != AV_NOPTS_VALUE)
2335 pkt.pts *= ist->ts_scale;
2336 if(pkt.dts != AV_NOPTS_VALUE)
2337 pkt.dts *= ist->ts_scale;
2340 // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files[ist->file_index].ts_offset, ist->st->codec->codec_type);
2341 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2342 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2343 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2344 int64_t delta= pkt_dts - ist->next_pts;
2345 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2346 input_files[ist->file_index].ts_offset -= delta;
2348 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2349 delta, input_files[ist->file_index].ts_offset);
2350 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2351 if(pkt.pts != AV_NOPTS_VALUE)
2352 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2356 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2357 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2360 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2361 ist->file_index, ist->st->index);
2364 av_free_packet(&pkt);
2369 av_free_packet(&pkt);
2371 /* dump report by using the output first video and audio streams */
2372 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2375 /* at the end of stream, we must flush the decoder buffers */
2376 for (i = 0; i < nb_input_streams; i++) {
2377 ist = &input_streams[i];
2378 if (ist->decoding_needed) {
2379 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2382 flush_encoders(output_streams, nb_output_streams);
2386 /* write the trailer if needed and close file */
2387 for(i=0;i<nb_output_files;i++) {
2388 os = output_files[i].ctx;
2389 av_write_trailer(os);
2392 /* dump report by using the first video and audio streams */
2393 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2395 /* close each encoder */
2396 for (i = 0; i < nb_output_streams; i++) {
2397 ost = &output_streams[i];
2398 if (ost->encoding_needed) {
2399 av_freep(&ost->st->codec->stats_in);
2400 avcodec_close(ost->st->codec);
2403 avfilter_graph_free(&ost->graph);
2407 /* close each decoder */
2408 for (i = 0; i < nb_input_streams; i++) {
2409 ist = &input_streams[i];
2410 if (ist->decoding_needed) {
2411 avcodec_close(ist->st->codec);
2419 av_freep(&bit_buffer);
2420 av_freep(&no_packet);
2422 if (output_streams) {
2423 for (i = 0; i < nb_output_streams; i++) {
2424 ost = &output_streams[i];
2426 if (ost->st->stream_copy)
2427 av_freep(&ost->st->codec->extradata);
2429 fclose(ost->logfile);
2430 ost->logfile = NULL;
2432 av_fifo_free(ost->fifo); /* works even if fifo is not
2433 initialized but set to zero */
2434 av_freep(&ost->st->codec->subtitle_header);
2435 av_free(ost->pict_tmp.data[0]);
2436 av_free(ost->forced_kf_pts);
2437 if (ost->video_resample)
2438 sws_freeContext(ost->img_resample_ctx);
2440 audio_resample_close(ost->resample);
2441 if (ost->reformat_ctx)
2442 av_audio_convert_free(ost->reformat_ctx);
2443 av_dict_free(&ost->opts);
2450 static int opt_format(const char *opt, const char *arg)
2452 last_asked_format = arg;
2456 static int opt_video_rc_override_string(const char *opt, const char *arg)
2458 video_rc_override_string = arg;
2462 static int opt_me_threshold(const char *opt, const char *arg)
2464 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2468 static int opt_verbose(const char *opt, const char *arg)
2470 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2474 static int opt_frame_rate(const char *opt, const char *arg)
2476 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2477 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2483 static int opt_frame_crop(const char *opt, const char *arg)
2485 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2486 return AVERROR(EINVAL);
2489 static int opt_frame_size(const char *opt, const char *arg)
2491 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2492 fprintf(stderr, "Incorrect frame size\n");
2493 return AVERROR(EINVAL);
2498 static int opt_pad(const char *opt, const char *arg) {
2499 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2503 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2505 if (strcmp(arg, "list")) {
2506 frame_pix_fmt = av_get_pix_fmt(arg);
2507 if (frame_pix_fmt == PIX_FMT_NONE) {
2508 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2509 return AVERROR(EINVAL);
2518 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2525 p = strchr(arg, ':');
2527 x = strtol(arg, &end, 10);
2529 y = strtol(end+1, &end, 10);
2531 ar = (double)x / (double)y;
2533 ar = strtod(arg, NULL);
2536 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2537 return AVERROR(EINVAL);
2539 frame_aspect_ratio = ar;
2543 static int opt_metadata(const char *opt, const char *arg)
2545 char *mid= strchr(arg, '=');
2548 fprintf(stderr, "Missing =\n");
2553 av_dict_set(&metadata, arg, mid, 0);
2558 static int opt_qscale(const char *opt, const char *arg)
2560 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2561 if (video_qscale == 0) {
2562 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2563 return AVERROR(EINVAL);
2568 static int opt_top_field_first(const char *opt, const char *arg)
2570 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2574 static int opt_thread_count(const char *opt, const char *arg)
2576 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2579 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2584 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2586 if (strcmp(arg, "list")) {
2587 audio_sample_fmt = av_get_sample_fmt(arg);
2588 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2589 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2590 return AVERROR(EINVAL);
2595 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2596 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2602 static int opt_audio_rate(const char *opt, const char *arg)
2604 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2608 static int opt_audio_channels(const char *opt, const char *arg)
2610 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2614 static int opt_codec(const char *opt, const char *arg)
2616 return av_dict_set(&codec_names, opt, arg, 0);
2619 static int opt_audio_codec(const char *opt, const char *arg)
2621 return opt_codec("codec:a", arg);
2624 static int opt_video_codec(const char *opt, const char *arg)
2626 return opt_codec("codec:v", arg);
2629 static int opt_subtitle_codec(const char *opt, const char *arg)
2631 return opt_codec("codec:s", arg);
2634 static int opt_data_codec(const char *opt, const char *arg)
2636 return opt_codec("codec:d", arg);
2639 static int opt_codec_tag(const char *opt, const char *arg)
2642 uint32_t *codec_tag;
2644 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2645 !strcmp(opt, "vtag") ? &video_codec_tag :
2646 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2650 *codec_tag = strtol(arg, &tail, 0);
2652 *codec_tag = AV_RL32(arg);
2657 static int opt_map(const char *opt, const char *arg)
2659 StreamMap *m = NULL;
2660 int i, negative = 0, file_idx;
2661 int sync_file_idx = -1, sync_stream_idx;
2669 map = av_strdup(arg);
2671 /* parse sync stream first, just pick first matching stream */
2672 if (sync = strchr(map, ',')) {
2674 sync_file_idx = strtol(sync + 1, &sync, 0);
2675 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2676 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2681 for (i = 0; i < input_files[sync_file_idx].ctx->nb_streams; i++)
2682 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2683 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2684 sync_stream_idx = i;
2687 if (i == input_files[sync_file_idx].ctx->nb_streams) {
2688 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2689 "match any streams.\n", arg);
2695 file_idx = strtol(map, &p, 0);
2696 if (file_idx >= nb_input_files || file_idx < 0) {
2697 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2701 /* disable some already defined maps */
2702 for (i = 0; i < nb_stream_maps; i++) {
2703 m = &stream_maps[i];
2704 if (check_stream_specifier(input_files[m->file_index].ctx,
2705 input_files[m->file_index].ctx->streams[m->stream_index],
2706 *p == ':' ? p + 1 : p) > 0)
2710 for (i = 0; i < input_files[file_idx].ctx->nb_streams; i++) {
2711 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2712 *p == ':' ? p + 1 : p) <= 0)
2714 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2715 m = &stream_maps[nb_stream_maps - 1];
2717 m->file_index = file_idx;
2718 m->stream_index = i;
2720 if (sync_file_idx >= 0) {
2721 m->sync_file_index = sync_file_idx;
2722 m->sync_stream_index = sync_stream_idx;
2724 m->sync_file_index = file_idx;
2725 m->sync_stream_index = i;
2730 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2738 static void parse_meta_type(char *arg, char *type, int *index)
2748 if (*(++arg) == ':')
2749 *index = strtol(++arg, NULL, 0);
2752 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2759 static int opt_map_metadata(const char *opt, const char *arg)
2761 MetadataMap *m, *m1;
2764 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2765 &nb_meta_data_maps, nb_meta_data_maps + 1);
2767 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2768 m->file = strtol(arg, &p, 0);
2769 parse_meta_type(p, &m->type, &m->index);
2771 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2772 if (p = strchr(opt, ':'))
2773 parse_meta_type(p, &m1->type, &m1->index);
2777 if (m->type == 'g' || m1->type == 'g')
2778 metadata_global_autocopy = 0;
2779 if (m->type == 's' || m1->type == 's')
2780 metadata_streams_autocopy = 0;
2781 if (m->type == 'c' || m1->type == 'c')
2782 metadata_chapters_autocopy = 0;
2787 static int opt_input_ts_scale(const char *opt, const char *arg)
2789 return av_dict_set(&ts_scale, opt, arg, 0);
2792 static int opt_recording_time(const char *opt, const char *arg)
2794 recording_time = parse_time_or_die(opt, arg, 1);
2798 static int opt_start_time(const char *opt, const char *arg)
2800 start_time = parse_time_or_die(opt, arg, 1);
2804 static int opt_input_ts_offset(const char *opt, const char *arg)
2806 input_ts_offset = parse_time_or_die(opt, arg, 1);
2810 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2812 const char *codec_string = encoder ? "encoder" : "decoder";
2816 return CODEC_ID_NONE;
2818 avcodec_find_encoder_by_name(name) :
2819 avcodec_find_decoder_by_name(name);
2821 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2824 if(codec->type != type) {
2825 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2831 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
2833 AVDictionaryEntry *e = NULL;
2834 char *codec_name = NULL;
2837 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
2838 char *p = strchr(e->key, ':');
2840 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
2841 codec_name = e->value;
2848 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2849 return avcodec_find_encoder(st->codec->codec_id);
2851 } else if (!strcmp(codec_name, "copy"))
2852 st->stream_copy = 1;
2854 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2855 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2856 avcodec_find_decoder_by_name(codec_name);
2863 * Add all the streams from the given input file to the global
2864 * list of input streams.
2866 static void add_input_streams(AVFormatContext *ic)
2868 int i, rfps, rfps_base, ret;
2870 for (i = 0; i < ic->nb_streams; i++) {
2871 AVStream *st = ic->streams[i];
2872 AVCodecContext *dec = st->codec;
2873 AVDictionaryEntry *e = NULL;
2877 dec->thread_count = thread_count;
2879 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2880 ist = &input_streams[nb_input_streams - 1];
2882 ist->file_index = nb_input_files;
2884 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2886 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
2887 char *p = strchr(e->key, ':');
2889 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
2895 ist->ts_scale = strtod(scale, NULL);
2897 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
2899 ist->dec = avcodec_find_decoder(dec->codec_id);
2901 switch (dec->codec_type) {
2902 case AVMEDIA_TYPE_AUDIO:
2904 st->discard= AVDISCARD_ALL;
2906 case AVMEDIA_TYPE_VIDEO:
2907 rfps = ic->streams[i]->r_frame_rate.num;
2908 rfps_base = ic->streams[i]->r_frame_rate.den;
2910 dec->flags |= CODEC_FLAG_EMU_EDGE;
2911 dec->height >>= dec->lowres;
2912 dec->width >>= dec->lowres;
2915 dec->debug |= FF_DEBUG_MV;
2917 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2920 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2921 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2923 (float)rfps / rfps_base, rfps, rfps_base);
2927 st->discard= AVDISCARD_ALL;
2928 else if(video_discard)
2929 st->discard= video_discard;
2931 case AVMEDIA_TYPE_DATA:
2933 case AVMEDIA_TYPE_SUBTITLE:
2934 if(subtitle_disable)
2935 st->discard = AVDISCARD_ALL;
2937 case AVMEDIA_TYPE_ATTACHMENT:
2938 case AVMEDIA_TYPE_UNKNOWN:
2946 static int opt_input_file(const char *opt, const char *filename)
2948 AVFormatContext *ic;
2949 AVInputFormat *file_iformat = NULL;
2953 AVDictionary **opts;
2954 int orig_nb_streams; // number of streams before avformat_find_stream_info
2956 if (last_asked_format) {
2957 if (!(file_iformat = av_find_input_format(last_asked_format))) {
2958 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
2961 last_asked_format = NULL;
2964 if (!strcmp(filename, "-"))
2967 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2968 !strcmp(filename, "/dev/stdin");
2970 /* get default parameters from command line */
2971 ic = avformat_alloc_context();
2973 print_error(filename, AVERROR(ENOMEM));
2976 if (audio_sample_rate) {
2977 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
2978 av_dict_set(&format_opts, "sample_rate", buf, 0);
2980 if (audio_channels) {
2981 snprintf(buf, sizeof(buf), "%d", audio_channels);
2982 av_dict_set(&format_opts, "channels", buf, 0);
2984 if (frame_rate.num) {
2985 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
2986 av_dict_set(&format_opts, "framerate", buf, 0);
2988 if (frame_width && frame_height) {
2989 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
2990 av_dict_set(&format_opts, "video_size", buf, 0);
2992 if (frame_pix_fmt != PIX_FMT_NONE)
2993 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
2995 ic->flags |= AVFMT_FLAG_NONBLOCK;
2997 /* open the input file with generic libav function */
2998 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3000 print_error(filename, err);
3003 assert_avoptions(format_opts);
3008 for(i=0; i<ic->nb_streams; i++){
3009 ic->streams[i]->discard= AVDISCARD_ALL;
3011 for(i=0; i<ic->nb_programs; i++){
3012 AVProgram *p= ic->programs[i];
3013 if(p->id != opt_programid){
3014 p->discard = AVDISCARD_ALL;
3017 for(j=0; j<p->nb_stream_indexes; j++){
3018 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3023 fprintf(stderr, "Specified program id not found\n");
3029 /* apply forced codec ids */
3030 for (i = 0; i < ic->nb_streams; i++)
3031 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
3033 /* Set AVCodecContext options for avformat_find_stream_info */
3034 opts = setup_find_stream_info_opts(ic, codec_opts);
3035 orig_nb_streams = ic->nb_streams;
3037 /* If not enough info to get the stream parameters, we decode the
3038 first frames to get it. (used in mpeg case for example) */
3039 ret = avformat_find_stream_info(ic, opts);
3040 if (ret < 0 && verbose >= 0) {
3041 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3042 av_close_input_file(ic);
3046 timestamp = start_time;
3047 /* add the stream start time */
3048 if (ic->start_time != AV_NOPTS_VALUE)
3049 timestamp += ic->start_time;
3051 /* if seeking requested, we execute it */
3052 if (start_time != 0) {
3053 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3055 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3056 filename, (double)timestamp / AV_TIME_BASE);
3058 /* reset seek info */
3062 /* update the current parameters so that they match the one of the input stream */
3063 add_input_streams(ic);
3065 /* dump the file content */
3067 av_dump_format(ic, nb_input_files, filename, 0);
3069 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3070 input_files[nb_input_files - 1].ctx = ic;
3071 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3072 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3074 frame_rate = (AVRational){0, 0};
3075 frame_pix_fmt = PIX_FMT_NONE;
3078 audio_sample_rate = 0;
3080 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3081 av_dict_free(&ts_scale);
3082 input_ts_offset = 0;
3084 for (i = 0; i < orig_nb_streams; i++)
3085 av_dict_free(&opts[i]);
3087 av_dict_free(&codec_names);
3093 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3094 AVCodecContext *avctx)
3100 for (p = kf; *p; p++)
3103 ost->forced_kf_count = n;
3104 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3105 if (!ost->forced_kf_pts) {
3106 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3109 for (i = 0; i < n; i++) {
3110 p = i ? strchr(p, ',') + 1 : kf;
3111 t = parse_time_or_die("force_key_frames", p, 1);
3112 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3116 static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type)
3119 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3120 int idx = oc->nb_streams - 1;
3123 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3127 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3128 nb_output_streams + 1);
3129 ost = &output_streams[nb_output_streams - 1];
3130 ost->file_index = nb_output_files;
3133 st->codec->codec_type = type;
3134 ost->enc = choose_codec(oc, st, type, codec_names);
3136 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3139 avcodec_get_context_defaults3(st->codec, ost->enc);
3140 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3142 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3146 static OutputStream *new_video_stream(AVFormatContext *oc)
3150 AVCodecContext *video_enc;
3152 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO);
3154 if (!st->stream_copy) {
3155 ost->frame_aspect_ratio = frame_aspect_ratio;
3156 frame_aspect_ratio = 0;
3158 ost->avfilter= vfilters;
3163 ost->bitstream_filters = video_bitstream_filters;
3164 video_bitstream_filters= NULL;
3166 st->codec->thread_count= thread_count;
3168 video_enc = st->codec;
3171 video_enc->codec_tag= video_codec_tag;
3173 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3174 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3177 if (st->stream_copy) {
3178 video_enc->sample_aspect_ratio =
3179 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3185 ost->frame_rate = frame_rate;
3187 video_enc->width = frame_width;
3188 video_enc->height = frame_height;
3189 video_enc->pix_fmt = frame_pix_fmt;
3190 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3192 if (video_qscale || same_quant) {
3193 video_enc->flags |= CODEC_FLAG_QSCALE;
3194 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3198 video_enc->intra_matrix = intra_matrix;
3200 video_enc->inter_matrix = inter_matrix;
3202 p= video_rc_override_string;
3205 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3207 fprintf(stderr, "error parsing rc_override\n");
3210 video_enc->rc_override=
3211 av_realloc(video_enc->rc_override,
3212 sizeof(RcOverride)*(i+1));
3213 video_enc->rc_override[i].start_frame= start;
3214 video_enc->rc_override[i].end_frame = end;
3216 video_enc->rc_override[i].qscale= q;
3217 video_enc->rc_override[i].quality_factor= 1.0;
3220 video_enc->rc_override[i].qscale= 0;
3221 video_enc->rc_override[i].quality_factor= -q/100.0;
3226 video_enc->rc_override_count=i;
3227 if (!video_enc->rc_initial_buffer_occupancy)
3228 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3229 video_enc->me_threshold= me_threshold;
3230 video_enc->intra_dc_precision= intra_dc_precision - 8;
3233 video_enc->flags|= CODEC_FLAG_PSNR;
3238 video_enc->flags |= CODEC_FLAG_PASS1;
3240 video_enc->flags |= CODEC_FLAG_PASS2;
3244 if (forced_key_frames)
3245 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3247 if (video_language) {
3248 av_dict_set(&st->metadata, "language", video_language, 0);
3249 av_freep(&video_language);
3252 /* reset some key parameters */
3254 av_freep(&forced_key_frames);
3255 frame_pix_fmt = PIX_FMT_NONE;
3259 static OutputStream *new_audio_stream(AVFormatContext *oc)
3263 AVCodecContext *audio_enc;
3265 ost = new_output_stream(oc, AVMEDIA_TYPE_AUDIO);
3268 ost->bitstream_filters = audio_bitstream_filters;
3269 audio_bitstream_filters= NULL;
3271 st->codec->thread_count= thread_count;
3273 audio_enc = st->codec;
3274 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3277 audio_enc->codec_tag= audio_codec_tag;
3279 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3280 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3282 if (!st->stream_copy) {
3283 if (audio_qscale > QSCALE_NONE) {
3284 audio_enc->flags |= CODEC_FLAG_QSCALE;
3285 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3288 audio_enc->channels = audio_channels;
3289 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3290 audio_enc->sample_fmt = audio_sample_fmt;
3291 if (audio_sample_rate)
3292 audio_enc->sample_rate = audio_sample_rate;
3294 if (audio_language) {
3295 av_dict_set(&st->metadata, "language", audio_language, 0);
3296 av_freep(&audio_language);
3299 /* reset some key parameters */
3305 static OutputStream *new_data_stream(AVFormatContext *oc)
3309 AVCodecContext *data_enc;
3311 ost = new_output_stream(oc, AVMEDIA_TYPE_DATA);
3313 data_enc = st->codec;
3314 if (!st->stream_copy) {
3315 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3320 data_enc->codec_tag= data_codec_tag;
3322 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3323 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3330 static OutputStream *new_subtitle_stream(AVFormatContext *oc)
3334 AVCodecContext *subtitle_enc;
3336 ost = new_output_stream(oc, AVMEDIA_TYPE_SUBTITLE);
3338 subtitle_enc = st->codec;
3340 ost->bitstream_filters = subtitle_bitstream_filters;
3341 subtitle_bitstream_filters= NULL;
3343 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3345 if(subtitle_codec_tag)
3346 subtitle_enc->codec_tag= subtitle_codec_tag;
3348 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3349 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3352 if (subtitle_language) {
3353 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3354 av_freep(&subtitle_language);
3357 subtitle_disable = 0;
3361 /* arg format is "output-stream-index:streamid-value". */
3362 static int opt_streamid(const char *opt, const char *arg)
3368 av_strlcpy(idx_str, arg, sizeof(idx_str));
3369 p = strchr(idx_str, ':');
3372 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3377 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3378 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3379 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3383 static int copy_chapters(int infile, int outfile)
3385 AVFormatContext *is = input_files[infile].ctx;
3386 AVFormatContext *os = output_files[outfile].ctx;
3389 for (i = 0; i < is->nb_chapters; i++) {
3390 AVChapter *in_ch = is->chapters[i], *out_ch;
3391 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
3392 AV_TIME_BASE_Q, in_ch->time_base);
3393 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
3394 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3397 if (in_ch->end < ts_off)
3399 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3402 out_ch = av_mallocz(sizeof(AVChapter));
3404 return AVERROR(ENOMEM);
3406 out_ch->id = in_ch->id;
3407 out_ch->time_base = in_ch->time_base;
3408 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3409 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3411 if (metadata_chapters_autocopy)
3412 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3415 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3417 return AVERROR(ENOMEM);
3418 os->chapters[os->nb_chapters - 1] = out_ch;
3423 static int read_avserver_streams(AVFormatContext *s, const char *filename)
3426 AVFormatContext *ic = NULL;
3428 err = avformat_open_input(&ic, filename, NULL, NULL);
3431 /* copy stream format */
3432 for(i=0;i<ic->nb_streams;i++) {
3437 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3438 ost = new_output_stream(s, codec->type);
3441 // FIXME: a more elegant solution is needed
3442 memcpy(st, ic->streams[i], sizeof(AVStream));
3444 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3446 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3447 choose_sample_fmt(st, codec);
3448 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3449 choose_pixel_fmt(st, codec);
3452 av_close_input_file(ic);
3456 static void opt_output_file(const char *filename)
3458 AVFormatContext *oc;
3460 AVOutputFormat *file_oformat;
3464 if (!strcmp(filename, "-"))
3467 oc = avformat_alloc_context();
3469 print_error(filename, AVERROR(ENOMEM));
3473 if (last_asked_format) {
3474 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3475 if (!file_oformat) {
3476 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3479 last_asked_format = NULL;
3481 file_oformat = av_guess_format(NULL, filename, NULL);
3482 if (!file_oformat) {
3483 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3489 oc->oformat = file_oformat;
3490 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3492 if (!strcmp(file_oformat->name, "ffm") &&
3493 av_strstart(filename, "http:", NULL)) {
3494 /* special case for files sent to avserver: we get the stream
3495 parameters from avserver */
3496 int err = read_avserver_streams(oc, filename);
3498 print_error(filename, err);
3501 } else if (!nb_stream_maps) {
3502 /* pick the "best" stream of each type */
3503 #define NEW_STREAM(type, index)\
3505 ost = new_ ## type ## _stream(oc);\
3506 ost->source_index = index;\
3507 ost->sync_ist = &input_streams[index];\
3508 input_streams[index].discard = 0;\
3511 /* video: highest resolution */
3512 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3513 int area = 0, idx = -1;
3514 for (i = 0; i < nb_input_streams; i++) {
3515 ist = &input_streams[i];
3516 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3517 ist->st->codec->width * ist->st->codec->height > area) {
3518 area = ist->st->codec->width * ist->st->codec->height;
3522 NEW_STREAM(video, idx);
3525 /* audio: most channels */
3526 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3527 int channels = 0, idx = -1;
3528 for (i = 0; i < nb_input_streams; i++) {
3529 ist = &input_streams[i];
3530 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3531 ist->st->codec->channels > channels) {
3532 channels = ist->st->codec->channels;
3536 NEW_STREAM(audio, idx);
3539 /* subtitles: pick first */
3540 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3541 for (i = 0; i < nb_input_streams; i++)
3542 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3543 NEW_STREAM(subtitle, i);
3547 /* do something with data? */
3549 for (i = 0; i < nb_stream_maps; i++) {
3550 StreamMap *map = &stream_maps[i];
3555 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3556 switch (ist->st->codec->codec_type) {
3557 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc); break;
3558 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc); break;
3559 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc); break;
3560 case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc); break;
3562 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3563 map->file_index, map->stream_index);
3567 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3568 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3569 map->sync_stream_index];
3574 av_dict_copy(&oc->metadata, metadata, 0);
3575 av_dict_free(&metadata);
3578 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3579 output_files[nb_output_files - 1].ctx = oc;
3580 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3581 output_files[nb_output_files - 1].recording_time = recording_time;
3582 output_files[nb_output_files - 1].start_time = start_time;
3583 output_files[nb_output_files - 1].limit_filesize = limit_filesize;
3584 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3586 /* check filename in case of an image number is expected */
3587 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3588 if (!av_filename_number_test(oc->filename)) {
3589 print_error(oc->filename, AVERROR(EINVAL));
3594 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3595 /* test if it already exists to avoid loosing precious files */
3596 if (!file_overwrite &&
3597 (strchr(filename, ':') == NULL ||
3598 filename[1] == ':' ||
3599 av_strstart(filename, "file:", NULL))) {
3600 if (avio_check(filename, 0) == 0) {
3602 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3604 if (!read_yesno()) {
3605 fprintf(stderr, "Not overwriting - exiting\n");
3610 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3617 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3618 print_error(filename, err);
3623 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3624 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3625 oc->flags |= AVFMT_FLAG_NONBLOCK;
3628 if (chapters_input_file >= nb_input_files) {
3629 if (chapters_input_file == INT_MAX) {
3630 /* copy chapters from the first input file that has them*/
3631 chapters_input_file = -1;
3632 for (i = 0; i < nb_input_files; i++)
3633 if (input_files[i].ctx->nb_chapters) {
3634 chapters_input_file = i;
3638 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3639 chapters_input_file);
3643 if (chapters_input_file >= 0)
3644 copy_chapters(chapters_input_file, nb_output_files - 1);
3647 for (i = 0; i < nb_meta_data_maps; i++) {
3648 AVFormatContext *files[2];
3649 AVDictionary **meta[2];
3652 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3653 if ((index) < 0 || (index) >= (nb_elems)) {\
3654 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3659 int in_file_index = meta_data_maps[i][1].file;
3660 if (in_file_index < 0)
3662 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3665 files[1] = input_files[in_file_index].ctx;
3667 for (j = 0; j < 2; j++) {
3668 MetadataMap *map = &meta_data_maps[i][j];
3670 switch (map->type) {
3672 meta[j] = &files[j]->metadata;
3675 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3676 meta[j] = &files[j]->streams[map->index]->metadata;
3679 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3680 meta[j] = &files[j]->chapters[map->index]->metadata;
3683 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3684 meta[j] = &files[j]->programs[map->index]->metadata;
3689 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3692 /* copy global metadata by default */
3693 if (metadata_global_autocopy && nb_input_files)
3694 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3695 AV_DICT_DONT_OVERWRITE);
3696 if (metadata_streams_autocopy)
3697 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3698 InputStream *ist = &input_streams[output_streams[i].source_index];
3699 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3702 frame_rate = (AVRational){0, 0};
3705 audio_sample_rate = 0;
3707 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3708 chapters_input_file = INT_MAX;
3709 recording_time = INT64_MAX;
3711 limit_filesize = UINT64_MAX;
3713 av_freep(&meta_data_maps);
3714 nb_meta_data_maps = 0;
3715 metadata_global_autocopy = 1;
3716 metadata_streams_autocopy = 1;
3717 metadata_chapters_autocopy = 1;
3718 av_freep(&stream_maps);
3720 av_freep(&streamid_map);
3721 nb_streamid_map = 0;
3723 av_dict_free(&codec_names);
3725 av_freep(&forced_key_frames);
3730 /* same option as mencoder */
3731 static int opt_pass(const char *opt, const char *arg)
3733 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3737 static int64_t getutime(void)
3740 struct rusage rusage;
3742 getrusage(RUSAGE_SELF, &rusage);
3743 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3744 #elif HAVE_GETPROCESSTIMES
3746 FILETIME c, e, k, u;
3747 proc = GetCurrentProcess();
3748 GetProcessTimes(proc, &c, &e, &k, &u);
3749 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3751 return av_gettime();
3755 static int64_t getmaxrss(void)
3757 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3758 struct rusage rusage;
3759 getrusage(RUSAGE_SELF, &rusage);
3760 return (int64_t)rusage.ru_maxrss * 1024;
3761 #elif HAVE_GETPROCESSMEMORYINFO
3763 PROCESS_MEMORY_COUNTERS memcounters;
3764 proc = GetCurrentProcess();
3765 memcounters.cb = sizeof(memcounters);
3766 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3767 return memcounters.PeakPagefileUsage;
3773 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3776 const char *p = str;
3783 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3790 static void opt_inter_matrix(const char *arg)
3792 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3793 parse_matrix_coeffs(inter_matrix, arg);
3796 static void opt_intra_matrix(const char *arg)
3798 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3799 parse_matrix_coeffs(intra_matrix, arg);
3802 static void show_usage(void)
3804 printf("Hyper fast Audio and Video encoder\n");
3805 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3809 static void show_help(void)
3812 AVOutputFormat *oformat = NULL;
3813 AVInputFormat *iformat = NULL;
3815 av_log_set_callback(log_callback_help);
3817 show_help_options(options, "Main options:\n",
3818 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3819 show_help_options(options, "\nAdvanced options:\n",
3820 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3822 show_help_options(options, "\nVideo options:\n",
3823 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3825 show_help_options(options, "\nAdvanced Video options:\n",
3826 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3827 OPT_VIDEO | OPT_EXPERT);
3828 show_help_options(options, "\nAudio options:\n",
3829 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3831 show_help_options(options, "\nAdvanced Audio options:\n",
3832 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3833 OPT_AUDIO | OPT_EXPERT);
3834 show_help_options(options, "\nSubtitle options:\n",
3835 OPT_SUBTITLE | OPT_GRAB,
3837 show_help_options(options, "\nAudio/Video grab options:\n",
3841 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3844 /* individual codec options */
3846 while ((c = av_codec_next(c))) {
3847 if (c->priv_class) {
3848 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3853 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3856 /* individual muxer options */
3857 while ((oformat = av_oformat_next(oformat))) {
3858 if (oformat->priv_class) {
3859 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3864 /* individual demuxer options */
3865 while ((iformat = av_iformat_next(iformat))) {
3866 if (iformat->priv_class) {
3867 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3872 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3875 static int opt_target(const char *opt, const char *arg)
3877 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3878 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3880 if(!strncmp(arg, "pal-", 4)) {
3883 } else if(!strncmp(arg, "ntsc-", 5)) {
3886 } else if(!strncmp(arg, "film-", 5)) {
3891 /* Calculate FR via float to avoid int overflow */
3892 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3895 } else if((fr == 29970) || (fr == 23976)) {
3898 /* Try to determine PAL/NTSC by peeking in the input files */
3899 if(nb_input_files) {
3901 for (j = 0; j < nb_input_files; j++) {
3902 for (i = 0; i < input_files[j].ctx->nb_streams; i++) {
3903 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
3904 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3906 fr = c->time_base.den * 1000 / c->time_base.num;
3910 } else if((fr == 29970) || (fr == 23976)) {
3920 if(verbose > 0 && norm != UNKNOWN)
3921 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3924 if(norm == UNKNOWN) {
3925 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3926 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3927 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3931 if(!strcmp(arg, "vcd")) {
3932 opt_codec("c:v", "mpeg1video");
3933 opt_codec("c:a", "mp2");
3934 opt_format("f", "vcd");
3936 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
3937 opt_frame_rate("r", frame_rates[norm]);
3938 opt_default("g", norm == PAL ? "15" : "18");
3940 opt_default("b", "1150000");
3941 opt_default("maxrate", "1150000");
3942 opt_default("minrate", "1150000");
3943 opt_default("bufsize", "327680"); // 40*1024*8;
3945 opt_default("b:a", "224000");
3946 audio_sample_rate = 44100;
3949 opt_default("packetsize", "2324");
3950 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3952 /* We have to offset the PTS, so that it is consistent with the SCR.
3953 SCR starts at 36000, but the first two packs contain only padding
3954 and the first pack from the other stream, respectively, may also have
3955 been written before.
3956 So the real data starts at SCR 36000+3*1200. */
3957 mux_preload= (36000+3*1200) / 90000.0; //0.44
3958 } else if(!strcmp(arg, "svcd")) {
3960 opt_codec("c:v", "mpeg2video");
3961 opt_codec("c:a", "mp2");
3962 opt_format("f", "svcd");
3964 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
3965 opt_frame_rate("r", frame_rates[norm]);
3966 opt_default("g", norm == PAL ? "15" : "18");
3968 opt_default("b", "2040000");
3969 opt_default("maxrate", "2516000");
3970 opt_default("minrate", "0"); //1145000;
3971 opt_default("bufsize", "1835008"); //224*1024*8;
3972 opt_default("flags", "+scan_offset");
3975 opt_default("b:a", "224000");
3976 audio_sample_rate = 44100;
3978 opt_default("packetsize", "2324");
3980 } else if(!strcmp(arg, "dvd")) {
3982 opt_codec("c:v", "mpeg2video");
3983 opt_codec("c:a", "ac3");
3984 opt_format("f", "dvd");
3986 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
3987 opt_frame_rate("r", frame_rates[norm]);
3988 opt_default("g", norm == PAL ? "15" : "18");
3990 opt_default("b", "6000000");
3991 opt_default("maxrate", "9000000");
3992 opt_default("minrate", "0"); //1500000;
3993 opt_default("bufsize", "1835008"); //224*1024*8;
3995 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3996 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3998 opt_default("b:a", "448000");
3999 audio_sample_rate = 48000;
4001 } else if(!strncmp(arg, "dv", 2)) {
4003 opt_format("f", "dv");
4005 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
4006 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4007 norm == PAL ? "yuv420p" : "yuv411p");
4008 opt_frame_rate("r", frame_rates[norm]);
4010 audio_sample_rate = 48000;
4014 fprintf(stderr, "Unknown target: %s\n", arg);
4015 return AVERROR(EINVAL);
4020 static int opt_vstats_file(const char *opt, const char *arg)
4022 av_free (vstats_filename);
4023 vstats_filename=av_strdup (arg);
4027 static int opt_vstats(const char *opt, const char *arg)
4030 time_t today2 = time(NULL);
4031 struct tm *today = localtime(&today2);
4033 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4035 return opt_vstats_file(opt, filename);
4038 static int opt_bsf(const char *opt, const char *arg)
4040 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4041 AVBitStreamFilterContext **bsfp;
4044 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4048 bsfp= *opt == 'v' ? &video_bitstream_filters :
4049 *opt == 'a' ? &audio_bitstream_filters :
4050 &subtitle_bitstream_filters;
4052 bsfp= &(*bsfp)->next;
4059 static const OptionDef options[] = {
4061 #include "cmdutils_common_opts.h"
4062 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4063 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4064 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4065 { "c", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4066 { "codec", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4067 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4068 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4069 "outfile[,metadata]:infile[,metadata]" },
4070 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&chapters_input_file}, "set chapters mapping", "input_file_index" },
4071 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4072 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4073 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4074 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4075 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "scale" },
4076 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4077 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4078 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4079 "add timings for benchmarking" },
4080 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4081 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4082 "dump each input packet" },
4083 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4084 "when dumping packets, also dump the payload" },
4085 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4086 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4087 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4088 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4089 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4090 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4091 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4092 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4093 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4094 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4095 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4096 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4097 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4098 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4101 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4102 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4103 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4104 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4105 { "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" },
4106 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4107 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4108 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4109 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4110 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4111 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4112 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4113 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4114 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4115 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4116 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4117 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4118 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4119 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4120 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimation threshold", "threshold" },
4121 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4122 "use same quantizer as source (implies VBR)" },
4123 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4124 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4125 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4126 "deinterlace pictures" },
4127 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4128 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4129 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4131 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4133 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4134 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4135 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4136 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4137 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4138 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4139 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4140 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4141 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4142 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4145 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4146 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4147 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4148 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4149 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4150 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4151 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4152 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4153 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4154 { "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" },
4156 /* subtitle options */
4157 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4158 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4159 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4160 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4163 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4166 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4167 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4169 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4170 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4171 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4173 /* data codec support */
4174 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4176 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4180 int main(int argc, char **argv)
4184 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4186 avcodec_register_all();
4188 avdevice_register_all();
4191 avfilter_register_all();
4195 avio_set_interrupt_cb(decode_interrupt_cb);
4202 parse_options(argc, argv, options, opt_output_file);
4204 if(nb_output_files <= 0 && nb_input_files == 0) {
4206 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4210 /* file converter / grab */
4211 if (nb_output_files <= 0) {
4212 fprintf(stderr, "At least one output file must be specified\n");
4216 if (nb_input_files == 0) {
4217 fprintf(stderr, "At least one input file must be specified\n");
4222 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4224 ti = getutime() - ti;
4226 int maxrss = getmaxrss() / 1024;
4227 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4230 return exit_program(0);