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(int ist_index, 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->source_index != ist_index || !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 if (v < -32768) v = -32768;
1642 if (v > 32767) v = 32767;
1648 /* frame rate emulation */
1650 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1651 int64_t now = av_gettime() - ist->start;
1655 /* if output time reached then transcode raw format,
1656 encode packets and output them */
1657 for (i = 0; i < nb_ostreams; i++) {
1658 OutputFile *of = &output_files[ost_table[i].file_index];
1661 ost = &ost_table[i];
1662 if (ost->source_index != ist_index)
1665 if (of->start_time && ist->pts < of->start_time)
1668 if (of->recording_time != INT64_MAX &&
1669 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1670 (AVRational){1, 1000000}) >= 0) {
1671 ost->is_past_recording_time = 1;
1676 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1677 ost->input_video_filter) {
1679 if (ist->st->sample_aspect_ratio.num)
1680 sar = ist->st->sample_aspect_ratio;
1682 sar = ist->st->codec->sample_aspect_ratio;
1683 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, ist->pts, sar);
1685 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1686 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1687 while (frame_available) {
1688 AVRational ist_pts_tb;
1689 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1690 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1692 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1694 os = output_files[ost->file_index].ctx;
1696 /* set the input output pts pairs */
1697 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1699 if (ost->encoding_needed) {
1700 av_assert0(ist->decoding_needed);
1701 switch(ost->st->codec->codec_type) {
1702 case AVMEDIA_TYPE_AUDIO:
1703 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1705 case AVMEDIA_TYPE_VIDEO:
1707 if (ost->picref->video && !ost->frame_aspect_ratio)
1708 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1710 do_video_out(os, ost, ist, &picture, &frame_size,
1711 same_quant ? quality : ost->st->codec->global_quality);
1712 if (vstats_filename && frame_size)
1713 do_video_stats(os, ost, frame_size);
1715 case AVMEDIA_TYPE_SUBTITLE:
1716 do_subtitle_out(os, ost, ist, &subtitle,
1723 AVFrame avframe; //FIXME/XXX remove this
1725 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1727 av_init_packet(&opkt);
1729 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1730 #if !CONFIG_AVFILTER
1736 /* no reencoding needed : output the packet directly */
1737 /* force the input stream PTS */
1739 avcodec_get_frame_defaults(&avframe);
1740 ost->st->codec->coded_frame= &avframe;
1741 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1743 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1744 audio_size += data_size;
1745 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1746 video_size += data_size;
1750 opkt.stream_index= ost->index;
1751 if(pkt->pts != AV_NOPTS_VALUE)
1752 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1754 opkt.pts= AV_NOPTS_VALUE;
1756 if (pkt->dts == AV_NOPTS_VALUE)
1757 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1759 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1760 opkt.dts -= ost_tb_start_time;
1762 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1763 opkt.flags= pkt->flags;
1765 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1766 if( ost->st->codec->codec_id != CODEC_ID_H264
1767 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1768 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1770 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1771 opkt.destruct= av_destruct_packet;
1773 opkt.data = data_buf;
1774 opkt.size = data_size;
1777 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1778 ost->st->codec->frame_number++;
1779 ost->frame_number++;
1780 av_free_packet(&opkt);
1784 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1785 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1787 avfilter_unref_buffer(ost->picref);
1792 av_free(buffer_to_free);
1793 /* XXX: allocate the subtitles in the codec ? */
1794 if (subtitle_to_free) {
1795 avsubtitle_free(subtitle_to_free);
1796 subtitle_to_free = NULL;
1802 flush_encoders(ist_index, ost_table, nb_ostreams);
1808 static void print_sdp(OutputFile *output_files, int n)
1812 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1816 for (i = 0; i < n; i++)
1817 avc[i] = output_files[i].ctx;
1819 av_sdp_create(avc, n, sdp, sizeof(sdp));
1820 printf("SDP:\n%s\n", sdp);
1825 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1826 char *error, int error_len)
1829 InputStream *ist = &input_streams[ist_index];
1830 if (ist->decoding_needed) {
1831 AVCodec *codec = ist->dec;
1833 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1835 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
1836 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1837 return AVERROR(EINVAL);
1840 /* update requested sample format for the decoder based on the
1841 corresponding encoder sample format */
1842 for (i = 0; i < nb_output_streams; i++) {
1843 OutputStream *ost = &output_streams[i];
1844 if (ost->source_index == ist_index) {
1845 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1850 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1851 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
1852 ist->file_index, ist->st->index);
1853 return AVERROR(EINVAL);
1855 assert_codec_experimental(ist->st->codec, 0);
1856 assert_avoptions(ist->opts);
1859 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;
1860 ist->next_pts = AV_NOPTS_VALUE;
1861 init_pts_correction(&ist->pts_ctx);
1868 * The following code is the main loop of the file converter
1870 static int transcode(OutputFile *output_files,
1871 int nb_output_files,
1872 InputFile *input_files,
1876 AVFormatContext *is, *os;
1877 AVCodecContext *codec, *icodec;
1883 int no_packet_count=0;
1884 int64_t timer_start;
1886 if (!(no_packet = av_mallocz(nb_input_files)))
1890 for (i = 0; i < nb_input_streams; i++)
1891 input_streams[i].start = av_gettime();
1893 /* output stream init */
1894 for(i=0;i<nb_output_files;i++) {
1895 os = output_files[i].ctx;
1896 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1897 av_dump_format(os, i, os->filename, 1);
1898 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1899 ret = AVERROR(EINVAL);
1904 /* for each output stream, we compute the right encoding parameters */
1905 for (i = 0; i < nb_output_streams; i++) {
1906 ost = &output_streams[i];
1907 os = output_files[ost->file_index].ctx;
1908 ist = &input_streams[ost->source_index];
1910 codec = ost->st->codec;
1911 icodec = ist->st->codec;
1913 ost->st->disposition = ist->st->disposition;
1914 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1915 codec->chroma_sample_location = icodec->chroma_sample_location;
1917 if (ost->st->stream_copy) {
1918 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1920 if (extra_size > INT_MAX) {
1921 ret = AVERROR(EINVAL);
1925 /* if stream_copy is selected, no need to decode or encode */
1926 codec->codec_id = icodec->codec_id;
1927 codec->codec_type = icodec->codec_type;
1929 if(!codec->codec_tag){
1930 if( !os->oformat->codec_tag
1931 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1932 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1933 codec->codec_tag = icodec->codec_tag;
1936 codec->bit_rate = icodec->bit_rate;
1937 codec->rc_max_rate = icodec->rc_max_rate;
1938 codec->rc_buffer_size = icodec->rc_buffer_size;
1939 codec->extradata= av_mallocz(extra_size);
1940 if (!codec->extradata) {
1941 ret = AVERROR(ENOMEM);
1944 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1945 codec->extradata_size= icodec->extradata_size;
1946 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){
1947 codec->time_base = icodec->time_base;
1948 codec->time_base.num *= icodec->ticks_per_frame;
1949 av_reduce(&codec->time_base.num, &codec->time_base.den,
1950 codec->time_base.num, codec->time_base.den, INT_MAX);
1952 codec->time_base = ist->st->time_base;
1953 switch(codec->codec_type) {
1954 case AVMEDIA_TYPE_AUDIO:
1955 if(audio_volume != 256) {
1956 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1959 codec->channel_layout = icodec->channel_layout;
1960 codec->sample_rate = icodec->sample_rate;
1961 codec->channels = icodec->channels;
1962 codec->frame_size = icodec->frame_size;
1963 codec->audio_service_type = icodec->audio_service_type;
1964 codec->block_align= icodec->block_align;
1965 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1966 codec->block_align= 0;
1967 if(codec->codec_id == CODEC_ID_AC3)
1968 codec->block_align= 0;
1970 case AVMEDIA_TYPE_VIDEO:
1971 codec->pix_fmt = icodec->pix_fmt;
1972 codec->width = icodec->width;
1973 codec->height = icodec->height;
1974 codec->has_b_frames = icodec->has_b_frames;
1975 if (!codec->sample_aspect_ratio.num) {
1976 codec->sample_aspect_ratio =
1977 ost->st->sample_aspect_ratio =
1978 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1979 ist->st->codec->sample_aspect_ratio.num ?
1980 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1983 case AVMEDIA_TYPE_SUBTITLE:
1984 codec->width = icodec->width;
1985 codec->height = icodec->height;
1987 case AVMEDIA_TYPE_DATA:
1994 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
1995 switch(codec->codec_type) {
1996 case AVMEDIA_TYPE_AUDIO:
1997 ost->fifo= av_fifo_alloc(1024);
1999 ret = AVERROR(ENOMEM);
2002 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2003 if (!codec->sample_rate) {
2004 codec->sample_rate = icodec->sample_rate;
2006 codec->sample_rate >>= icodec->lowres;
2008 choose_sample_rate(ost->st, ost->enc);
2009 codec->time_base = (AVRational){1, codec->sample_rate};
2010 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2011 codec->sample_fmt = icodec->sample_fmt;
2012 choose_sample_fmt(ost->st, ost->enc);
2013 if (!codec->channels)
2014 codec->channels = icodec->channels;
2015 codec->channel_layout = icodec->channel_layout;
2016 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2017 codec->channel_layout = 0;
2018 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2019 icodec->request_channels = codec->channels;
2020 ist->decoding_needed = 1;
2021 ost->encoding_needed = 1;
2022 ost->resample_sample_fmt = icodec->sample_fmt;
2023 ost->resample_sample_rate = icodec->sample_rate;
2024 ost->resample_channels = icodec->channels;
2026 case AVMEDIA_TYPE_VIDEO:
2027 if (codec->pix_fmt == PIX_FMT_NONE)
2028 codec->pix_fmt = icodec->pix_fmt;
2029 choose_pixel_fmt(ost->st, ost->enc);
2031 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2032 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2036 if (!codec->width || !codec->height) {
2037 codec->width = icodec->width;
2038 codec->height = icodec->height;
2041 ost->video_resample = codec->width != icodec->width ||
2042 codec->height != icodec->height ||
2043 codec->pix_fmt != icodec->pix_fmt;
2044 if (ost->video_resample) {
2045 #if !CONFIG_AVFILTER
2046 avcodec_get_frame_defaults(&ost->pict_tmp);
2047 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2048 codec->width, codec->height)) {
2049 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2052 ost->img_resample_ctx = sws_getContext(
2059 ost->sws_flags, NULL, NULL, NULL);
2060 if (ost->img_resample_ctx == NULL) {
2061 fprintf(stderr, "Cannot get resampling context\n");
2065 codec->bits_per_raw_sample= 0;
2068 ost->resample_height = icodec->height;
2069 ost->resample_width = icodec->width;
2070 ost->resample_pix_fmt= icodec->pix_fmt;
2071 ost->encoding_needed = 1;
2072 ist->decoding_needed = 1;
2074 if (!ost->frame_rate.num)
2075 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2076 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2077 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2078 ost->frame_rate = ost->enc->supported_framerates[idx];
2080 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2083 if (configure_video_filters(ist, ost)) {
2084 fprintf(stderr, "Error opening filters!\n");
2089 case AVMEDIA_TYPE_SUBTITLE:
2090 ost->encoding_needed = 1;
2091 ist->decoding_needed = 1;
2098 if (ost->encoding_needed &&
2099 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2100 char logfilename[1024];
2103 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2104 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2106 if (codec->flags & CODEC_FLAG_PASS1) {
2107 f = fopen(logfilename, "wb");
2109 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2115 size_t logbuffer_size;
2116 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2117 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2120 codec->stats_in = logbuffer;
2124 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2125 int size= codec->width * codec->height;
2126 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2131 bit_buffer = av_malloc(bit_buffer_size);
2133 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2135 ret = AVERROR(ENOMEM);
2139 /* open each encoder */
2140 for (i = 0; i < nb_output_streams; i++) {
2141 ost = &output_streams[i];
2142 if (ost->encoding_needed) {
2143 AVCodec *codec = ost->enc;
2144 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2146 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2147 ost->st->codec->codec_id, ost->file_index, ost->index);
2148 ret = AVERROR(EINVAL);
2151 if (dec->subtitle_header) {
2152 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2153 if (!ost->st->codec->subtitle_header) {
2154 ret = AVERROR(ENOMEM);
2157 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2158 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2160 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2161 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2162 ost->file_index, ost->index);
2163 ret = AVERROR(EINVAL);
2166 assert_codec_experimental(ost->st->codec, 1);
2167 assert_avoptions(ost->opts);
2168 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2169 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2170 "It takes bits/s as argument, not kbits/s\n");
2171 extra_size += ost->st->codec->extradata_size;
2175 /* init input streams */
2176 for (i = 0; i < nb_input_streams; i++)
2177 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error)) < 0))
2180 /* open files and write file headers */
2181 for (i = 0; i < nb_output_files; i++) {
2182 os = output_files[i].ctx;
2183 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2184 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2185 ret = AVERROR(EINVAL);
2188 assert_avoptions(output_files[i].opts);
2189 if (strcmp(os->oformat->name, "rtp")) {
2195 /* dump the file output parameters - cannot be done before in case
2197 for(i=0;i<nb_output_files;i++) {
2198 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2201 /* dump the stream mapping */
2203 fprintf(stderr, "Stream mapping:\n");
2204 for (i = 0; i < nb_output_streams;i ++) {
2205 ost = &output_streams[i];
2206 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2207 input_streams[ost->source_index].file_index,
2208 input_streams[ost->source_index].st->index,
2211 if (ost->sync_ist != &input_streams[ost->source_index])
2212 fprintf(stderr, " [sync #%d.%d]",
2213 ost->sync_ist->file_index,
2214 ost->sync_ist->st->index);
2215 if (ost->st->stream_copy)
2216 fprintf(stderr, " (copy)");
2217 fprintf(stderr, "\n");
2222 fprintf(stderr, "%s\n", error);
2227 print_sdp(output_files, nb_output_files);
2231 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2234 timer_start = av_gettime();
2236 for(; received_sigterm == 0;) {
2237 int file_index, ist_index;
2243 ipts_min = INT64_MAX;
2246 /* select the stream that we must read now by looking at the
2247 smallest output pts */
2249 for (i = 0; i < nb_output_streams; i++) {
2253 ost = &output_streams[i];
2254 of = &output_files[ost->file_index];
2255 os = output_files[ost->file_index].ctx;
2256 ist = &input_streams[ost->source_index];
2257 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2258 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2260 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2262 if (!input_files[ist->file_index].eof_reached){
2263 if(ipts < ipts_min) {
2265 if(input_sync ) file_index = ist->file_index;
2267 if(opts < opts_min) {
2269 if(!input_sync) file_index = ist->file_index;
2272 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2277 /* if none, if is finished */
2278 if (file_index < 0) {
2279 if(no_packet_count){
2281 memset(no_packet, 0, nb_input_files);
2288 /* read a frame from it and output it in the fifo */
2289 is = input_files[file_index].ctx;
2290 ret= av_read_frame(is, &pkt);
2291 if(ret == AVERROR(EAGAIN)){
2292 no_packet[file_index]=1;
2297 input_files[file_index].eof_reached = 1;
2305 memset(no_packet, 0, nb_input_files);
2308 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2309 is->streams[pkt.stream_index]);
2311 /* the following test is needed in case new streams appear
2312 dynamically in stream : we ignore them */
2313 if (pkt.stream_index >= input_files[file_index].ctx->nb_streams)
2314 goto discard_packet;
2315 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2316 ist = &input_streams[ist_index];
2318 goto discard_packet;
2320 if (pkt.dts != AV_NOPTS_VALUE)
2321 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2322 if (pkt.pts != AV_NOPTS_VALUE)
2323 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2325 if (ist->ts_scale) {
2326 if(pkt.pts != AV_NOPTS_VALUE)
2327 pkt.pts *= ist->ts_scale;
2328 if(pkt.dts != AV_NOPTS_VALUE)
2329 pkt.dts *= ist->ts_scale;
2332 // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files[ist->file_index].ts_offset, ist->st->codec->codec_type);
2333 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2334 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2335 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2336 int64_t delta= pkt_dts - ist->next_pts;
2337 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2338 input_files[ist->file_index].ts_offset -= delta;
2340 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2341 delta, input_files[ist->file_index].ts_offset);
2342 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2343 if(pkt.pts != AV_NOPTS_VALUE)
2344 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2348 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2349 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2352 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2353 ist->file_index, ist->st->index);
2356 av_free_packet(&pkt);
2361 av_free_packet(&pkt);
2363 /* dump report by using the output first video and audio streams */
2364 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2367 /* at the end of stream, we must flush the decoder buffers */
2368 for (i = 0; i < nb_input_streams; i++) {
2369 ist = &input_streams[i];
2370 if (ist->decoding_needed) {
2371 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2377 /* write the trailer if needed and close file */
2378 for(i=0;i<nb_output_files;i++) {
2379 os = output_files[i].ctx;
2380 av_write_trailer(os);
2383 /* dump report by using the first video and audio streams */
2384 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2386 /* close each encoder */
2387 for (i = 0; i < nb_output_streams; i++) {
2388 ost = &output_streams[i];
2389 if (ost->encoding_needed) {
2390 av_freep(&ost->st->codec->stats_in);
2391 avcodec_close(ost->st->codec);
2394 avfilter_graph_free(&ost->graph);
2398 /* close each decoder */
2399 for (i = 0; i < nb_input_streams; i++) {
2400 ist = &input_streams[i];
2401 if (ist->decoding_needed) {
2402 avcodec_close(ist->st->codec);
2410 av_freep(&bit_buffer);
2411 av_freep(&no_packet);
2413 if (output_streams) {
2414 for (i = 0; i < nb_output_streams; i++) {
2415 ost = &output_streams[i];
2417 if (ost->st->stream_copy)
2418 av_freep(&ost->st->codec->extradata);
2420 fclose(ost->logfile);
2421 ost->logfile = NULL;
2423 av_fifo_free(ost->fifo); /* works even if fifo is not
2424 initialized but set to zero */
2425 av_freep(&ost->st->codec->subtitle_header);
2426 av_free(ost->pict_tmp.data[0]);
2427 av_free(ost->forced_kf_pts);
2428 if (ost->video_resample)
2429 sws_freeContext(ost->img_resample_ctx);
2431 audio_resample_close(ost->resample);
2432 if (ost->reformat_ctx)
2433 av_audio_convert_free(ost->reformat_ctx);
2434 av_dict_free(&ost->opts);
2441 static int opt_format(const char *opt, const char *arg)
2443 last_asked_format = arg;
2447 static int opt_video_rc_override_string(const char *opt, const char *arg)
2449 video_rc_override_string = arg;
2453 static int opt_me_threshold(const char *opt, const char *arg)
2455 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2459 static int opt_verbose(const char *opt, const char *arg)
2461 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2465 static int opt_frame_rate(const char *opt, const char *arg)
2467 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2468 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2474 static int opt_frame_crop(const char *opt, const char *arg)
2476 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2477 return AVERROR(EINVAL);
2480 static int opt_frame_size(const char *opt, const char *arg)
2482 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2483 fprintf(stderr, "Incorrect frame size\n");
2484 return AVERROR(EINVAL);
2489 static int opt_pad(const char *opt, const char *arg) {
2490 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2494 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2496 if (strcmp(arg, "list")) {
2497 frame_pix_fmt = av_get_pix_fmt(arg);
2498 if (frame_pix_fmt == PIX_FMT_NONE) {
2499 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2500 return AVERROR(EINVAL);
2509 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2516 p = strchr(arg, ':');
2518 x = strtol(arg, &end, 10);
2520 y = strtol(end+1, &end, 10);
2522 ar = (double)x / (double)y;
2524 ar = strtod(arg, NULL);
2527 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2528 return AVERROR(EINVAL);
2530 frame_aspect_ratio = ar;
2534 static int opt_metadata(const char *opt, const char *arg)
2536 char *mid= strchr(arg, '=');
2539 fprintf(stderr, "Missing =\n");
2544 av_dict_set(&metadata, arg, mid, 0);
2549 static int opt_qscale(const char *opt, const char *arg)
2551 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2552 if (video_qscale == 0) {
2553 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2554 return AVERROR(EINVAL);
2559 static int opt_top_field_first(const char *opt, const char *arg)
2561 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2565 static int opt_thread_count(const char *opt, const char *arg)
2567 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2570 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2575 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2577 if (strcmp(arg, "list")) {
2578 audio_sample_fmt = av_get_sample_fmt(arg);
2579 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2580 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2581 return AVERROR(EINVAL);
2586 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2587 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2593 static int opt_audio_rate(const char *opt, const char *arg)
2595 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2599 static int opt_audio_channels(const char *opt, const char *arg)
2601 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2605 static int opt_codec(const char *opt, const char *arg)
2607 return av_dict_set(&codec_names, opt, arg, 0);
2610 static int opt_audio_codec(const char *opt, const char *arg)
2612 return opt_codec("codec:a", arg);
2615 static int opt_video_codec(const char *opt, const char *arg)
2617 return opt_codec("codec:v", arg);
2620 static int opt_subtitle_codec(const char *opt, const char *arg)
2622 return opt_codec("codec:s", arg);
2625 static int opt_data_codec(const char *opt, const char *arg)
2627 return opt_codec("codec:d", arg);
2630 static int opt_codec_tag(const char *opt, const char *arg)
2633 uint32_t *codec_tag;
2635 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2636 !strcmp(opt, "vtag") ? &video_codec_tag :
2637 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2641 *codec_tag = strtol(arg, &tail, 0);
2643 *codec_tag = AV_RL32(arg);
2648 static int opt_map(const char *opt, const char *arg)
2650 StreamMap *m = NULL;
2651 int i, negative = 0, file_idx;
2652 int sync_file_idx = -1, sync_stream_idx;
2660 map = av_strdup(arg);
2662 /* parse sync stream first, just pick first matching stream */
2663 if (sync = strchr(map, ',')) {
2665 sync_file_idx = strtol(sync + 1, &sync, 0);
2666 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2667 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2672 for (i = 0; i < input_files[sync_file_idx].ctx->nb_streams; i++)
2673 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2674 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2675 sync_stream_idx = i;
2678 if (i == input_files[sync_file_idx].ctx->nb_streams) {
2679 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2680 "match any streams.\n", arg);
2686 file_idx = strtol(map, &p, 0);
2687 if (file_idx >= nb_input_files || file_idx < 0) {
2688 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2692 /* disable some already defined maps */
2693 for (i = 0; i < nb_stream_maps; i++) {
2694 m = &stream_maps[i];
2695 if (check_stream_specifier(input_files[m->file_index].ctx,
2696 input_files[m->file_index].ctx->streams[m->stream_index],
2697 *p == ':' ? p + 1 : p) > 0)
2701 for (i = 0; i < input_files[file_idx].ctx->nb_streams; i++) {
2702 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2703 *p == ':' ? p + 1 : p) <= 0)
2705 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2706 m = &stream_maps[nb_stream_maps - 1];
2708 m->file_index = file_idx;
2709 m->stream_index = i;
2711 if (sync_file_idx >= 0) {
2712 m->sync_file_index = sync_file_idx;
2713 m->sync_stream_index = sync_stream_idx;
2715 m->sync_file_index = file_idx;
2716 m->sync_stream_index = i;
2721 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2729 static void parse_meta_type(char *arg, char *type, int *index)
2739 if (*(++arg) == ':')
2740 *index = strtol(++arg, NULL, 0);
2743 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2750 static int opt_map_metadata(const char *opt, const char *arg)
2752 MetadataMap *m, *m1;
2755 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2756 &nb_meta_data_maps, nb_meta_data_maps + 1);
2758 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2759 m->file = strtol(arg, &p, 0);
2760 parse_meta_type(p, &m->type, &m->index);
2762 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2763 if (p = strchr(opt, ':'))
2764 parse_meta_type(p, &m1->type, &m1->index);
2768 if (m->type == 'g' || m1->type == 'g')
2769 metadata_global_autocopy = 0;
2770 if (m->type == 's' || m1->type == 's')
2771 metadata_streams_autocopy = 0;
2772 if (m->type == 'c' || m1->type == 'c')
2773 metadata_chapters_autocopy = 0;
2778 static int opt_input_ts_scale(const char *opt, const char *arg)
2780 return av_dict_set(&ts_scale, opt, arg, 0);
2783 static int opt_recording_time(const char *opt, const char *arg)
2785 recording_time = parse_time_or_die(opt, arg, 1);
2789 static int opt_start_time(const char *opt, const char *arg)
2791 start_time = parse_time_or_die(opt, arg, 1);
2795 static int opt_input_ts_offset(const char *opt, const char *arg)
2797 input_ts_offset = parse_time_or_die(opt, arg, 1);
2801 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2803 const char *codec_string = encoder ? "encoder" : "decoder";
2807 return CODEC_ID_NONE;
2809 avcodec_find_encoder_by_name(name) :
2810 avcodec_find_decoder_by_name(name);
2812 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2815 if(codec->type != type) {
2816 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2822 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
2824 AVDictionaryEntry *e = NULL;
2825 char *codec_name = NULL;
2828 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
2829 char *p = strchr(e->key, ':');
2831 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
2832 codec_name = e->value;
2839 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2840 return avcodec_find_encoder(st->codec->codec_id);
2842 } else if (!strcmp(codec_name, "copy"))
2843 st->stream_copy = 1;
2845 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2846 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2847 avcodec_find_decoder_by_name(codec_name);
2854 * Add all the streams from the given input file to the global
2855 * list of input streams.
2857 static void add_input_streams(AVFormatContext *ic)
2859 int i, rfps, rfps_base, ret;
2861 for (i = 0; i < ic->nb_streams; i++) {
2862 AVStream *st = ic->streams[i];
2863 AVCodecContext *dec = st->codec;
2864 AVDictionaryEntry *e = NULL;
2868 dec->thread_count = thread_count;
2870 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2871 ist = &input_streams[nb_input_streams - 1];
2873 ist->file_index = nb_input_files;
2875 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2877 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
2878 char *p = strchr(e->key, ':');
2880 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
2886 ist->ts_scale = strtod(scale, NULL);
2888 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
2890 switch (dec->codec_type) {
2891 case AVMEDIA_TYPE_AUDIO:
2893 st->discard= AVDISCARD_ALL;
2895 case AVMEDIA_TYPE_VIDEO:
2896 rfps = ic->streams[i]->r_frame_rate.num;
2897 rfps_base = ic->streams[i]->r_frame_rate.den;
2899 dec->flags |= CODEC_FLAG_EMU_EDGE;
2900 dec->height >>= dec->lowres;
2901 dec->width >>= dec->lowres;
2904 dec->debug |= FF_DEBUG_MV;
2906 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2909 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2910 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2912 (float)rfps / rfps_base, rfps, rfps_base);
2916 st->discard= AVDISCARD_ALL;
2917 else if(video_discard)
2918 st->discard= video_discard;
2920 case AVMEDIA_TYPE_DATA:
2922 case AVMEDIA_TYPE_SUBTITLE:
2923 if(subtitle_disable)
2924 st->discard = AVDISCARD_ALL;
2926 case AVMEDIA_TYPE_ATTACHMENT:
2927 case AVMEDIA_TYPE_UNKNOWN:
2935 static int opt_input_file(const char *opt, const char *filename)
2937 AVFormatContext *ic;
2938 AVInputFormat *file_iformat = NULL;
2942 AVDictionary **opts;
2943 int orig_nb_streams; // number of streams before avformat_find_stream_info
2945 if (last_asked_format) {
2946 if (!(file_iformat = av_find_input_format(last_asked_format))) {
2947 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
2950 last_asked_format = NULL;
2953 if (!strcmp(filename, "-"))
2956 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2957 !strcmp(filename, "/dev/stdin");
2959 /* get default parameters from command line */
2960 ic = avformat_alloc_context();
2962 print_error(filename, AVERROR(ENOMEM));
2965 if (audio_sample_rate) {
2966 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
2967 av_dict_set(&format_opts, "sample_rate", buf, 0);
2969 if (audio_channels) {
2970 snprintf(buf, sizeof(buf), "%d", audio_channels);
2971 av_dict_set(&format_opts, "channels", buf, 0);
2973 if (frame_rate.num) {
2974 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
2975 av_dict_set(&format_opts, "framerate", buf, 0);
2977 if (frame_width && frame_height) {
2978 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
2979 av_dict_set(&format_opts, "video_size", buf, 0);
2981 if (frame_pix_fmt != PIX_FMT_NONE)
2982 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
2984 ic->flags |= AVFMT_FLAG_NONBLOCK;
2986 /* open the input file with generic libav function */
2987 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2989 print_error(filename, err);
2992 assert_avoptions(format_opts);
2997 for(i=0; i<ic->nb_streams; i++){
2998 ic->streams[i]->discard= AVDISCARD_ALL;
3000 for(i=0; i<ic->nb_programs; i++){
3001 AVProgram *p= ic->programs[i];
3002 if(p->id != opt_programid){
3003 p->discard = AVDISCARD_ALL;
3006 for(j=0; j<p->nb_stream_indexes; j++){
3007 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3012 fprintf(stderr, "Specified program id not found\n");
3018 /* apply forced codec ids */
3019 for (i = 0; i < ic->nb_streams; i++)
3020 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
3022 /* Set AVCodecContext options for avformat_find_stream_info */
3023 opts = setup_find_stream_info_opts(ic, codec_opts);
3024 orig_nb_streams = ic->nb_streams;
3026 /* If not enough info to get the stream parameters, we decode the
3027 first frames to get it. (used in mpeg case for example) */
3028 ret = avformat_find_stream_info(ic, opts);
3029 if (ret < 0 && verbose >= 0) {
3030 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3031 av_close_input_file(ic);
3035 timestamp = start_time;
3036 /* add the stream start time */
3037 if (ic->start_time != AV_NOPTS_VALUE)
3038 timestamp += ic->start_time;
3040 /* if seeking requested, we execute it */
3041 if (start_time != 0) {
3042 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3044 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3045 filename, (double)timestamp / AV_TIME_BASE);
3047 /* reset seek info */
3051 /* update the current parameters so that they match the one of the input stream */
3052 add_input_streams(ic);
3054 /* dump the file content */
3056 av_dump_format(ic, nb_input_files, filename, 0);
3058 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3059 input_files[nb_input_files - 1].ctx = ic;
3060 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3061 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3063 frame_rate = (AVRational){0, 0};
3064 frame_pix_fmt = PIX_FMT_NONE;
3067 audio_sample_rate = 0;
3069 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3070 av_dict_free(&ts_scale);
3072 for (i = 0; i < orig_nb_streams; i++)
3073 av_dict_free(&opts[i]);
3075 av_dict_free(&codec_names);
3081 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3082 AVCodecContext *avctx)
3088 for (p = kf; *p; p++)
3091 ost->forced_kf_count = n;
3092 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3093 if (!ost->forced_kf_pts) {
3094 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3097 for (i = 0; i < n; i++) {
3098 p = i ? strchr(p, ',') + 1 : kf;
3099 t = parse_time_or_die("force_key_frames", p, 1);
3100 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3104 static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type)
3107 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3108 int idx = oc->nb_streams - 1;
3111 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3115 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3116 nb_output_streams + 1);
3117 ost = &output_streams[nb_output_streams - 1];
3118 ost->file_index = nb_output_files;
3121 st->codec->codec_type = type;
3122 ost->enc = choose_codec(oc, st, type, codec_names);
3124 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3127 avcodec_get_context_defaults3(st->codec, ost->enc);
3128 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3130 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3134 static OutputStream *new_video_stream(AVFormatContext *oc)
3138 AVCodecContext *video_enc;
3140 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO);
3142 if (!st->stream_copy) {
3143 ost->frame_aspect_ratio = frame_aspect_ratio;
3144 frame_aspect_ratio = 0;
3146 ost->avfilter= vfilters;
3151 ost->bitstream_filters = video_bitstream_filters;
3152 video_bitstream_filters= NULL;
3154 st->codec->thread_count= thread_count;
3156 video_enc = st->codec;
3159 video_enc->codec_tag= video_codec_tag;
3161 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3162 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3165 if (st->stream_copy) {
3166 video_enc->sample_aspect_ratio =
3167 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3173 ost->frame_rate = frame_rate;
3175 video_enc->width = frame_width;
3176 video_enc->height = frame_height;
3177 video_enc->pix_fmt = frame_pix_fmt;
3178 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3180 if (video_qscale || same_quant) {
3181 video_enc->flags |= CODEC_FLAG_QSCALE;
3182 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3186 video_enc->intra_matrix = intra_matrix;
3188 video_enc->inter_matrix = inter_matrix;
3190 p= video_rc_override_string;
3193 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3195 fprintf(stderr, "error parsing rc_override\n");
3198 video_enc->rc_override=
3199 av_realloc(video_enc->rc_override,
3200 sizeof(RcOverride)*(i+1));
3201 video_enc->rc_override[i].start_frame= start;
3202 video_enc->rc_override[i].end_frame = end;
3204 video_enc->rc_override[i].qscale= q;
3205 video_enc->rc_override[i].quality_factor= 1.0;
3208 video_enc->rc_override[i].qscale= 0;
3209 video_enc->rc_override[i].quality_factor= -q/100.0;
3214 video_enc->rc_override_count=i;
3215 if (!video_enc->rc_initial_buffer_occupancy)
3216 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3217 video_enc->me_threshold= me_threshold;
3218 video_enc->intra_dc_precision= intra_dc_precision - 8;
3221 video_enc->flags|= CODEC_FLAG_PSNR;
3226 video_enc->flags |= CODEC_FLAG_PASS1;
3228 video_enc->flags |= CODEC_FLAG_PASS2;
3232 if (forced_key_frames)
3233 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3235 if (video_language) {
3236 av_dict_set(&st->metadata, "language", video_language, 0);
3237 av_freep(&video_language);
3240 /* reset some key parameters */
3242 av_freep(&forced_key_frames);
3243 frame_pix_fmt = PIX_FMT_NONE;
3247 static OutputStream *new_audio_stream(AVFormatContext *oc)
3251 AVCodecContext *audio_enc;
3253 ost = new_output_stream(oc, AVMEDIA_TYPE_AUDIO);
3256 ost->bitstream_filters = audio_bitstream_filters;
3257 audio_bitstream_filters= NULL;
3259 st->codec->thread_count= thread_count;
3261 audio_enc = st->codec;
3262 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3265 audio_enc->codec_tag= audio_codec_tag;
3267 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3268 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3270 if (!st->stream_copy) {
3271 if (audio_qscale > QSCALE_NONE) {
3272 audio_enc->flags |= CODEC_FLAG_QSCALE;
3273 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3276 audio_enc->channels = audio_channels;
3277 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3278 audio_enc->sample_fmt = audio_sample_fmt;
3279 if (audio_sample_rate)
3280 audio_enc->sample_rate = audio_sample_rate;
3282 if (audio_language) {
3283 av_dict_set(&st->metadata, "language", audio_language, 0);
3284 av_freep(&audio_language);
3287 /* reset some key parameters */
3293 static OutputStream *new_data_stream(AVFormatContext *oc)
3297 AVCodecContext *data_enc;
3299 ost = new_output_stream(oc, AVMEDIA_TYPE_DATA);
3301 data_enc = st->codec;
3302 if (!st->stream_copy) {
3303 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3308 data_enc->codec_tag= data_codec_tag;
3310 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3311 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3318 static OutputStream *new_subtitle_stream(AVFormatContext *oc)
3322 AVCodecContext *subtitle_enc;
3324 ost = new_output_stream(oc, AVMEDIA_TYPE_SUBTITLE);
3326 subtitle_enc = st->codec;
3328 ost->bitstream_filters = subtitle_bitstream_filters;
3329 subtitle_bitstream_filters= NULL;
3331 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3333 if(subtitle_codec_tag)
3334 subtitle_enc->codec_tag= subtitle_codec_tag;
3336 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3337 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3340 if (subtitle_language) {
3341 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3342 av_freep(&subtitle_language);
3345 subtitle_disable = 0;
3349 /* arg format is "output-stream-index:streamid-value". */
3350 static int opt_streamid(const char *opt, const char *arg)
3356 av_strlcpy(idx_str, arg, sizeof(idx_str));
3357 p = strchr(idx_str, ':');
3360 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3365 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3366 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3367 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3371 static int copy_chapters(int infile, int outfile)
3373 AVFormatContext *is = input_files[infile].ctx;
3374 AVFormatContext *os = output_files[outfile].ctx;
3377 for (i = 0; i < is->nb_chapters; i++) {
3378 AVChapter *in_ch = is->chapters[i], *out_ch;
3379 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
3380 AV_TIME_BASE_Q, in_ch->time_base);
3381 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
3382 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3385 if (in_ch->end < ts_off)
3387 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3390 out_ch = av_mallocz(sizeof(AVChapter));
3392 return AVERROR(ENOMEM);
3394 out_ch->id = in_ch->id;
3395 out_ch->time_base = in_ch->time_base;
3396 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3397 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3399 if (metadata_chapters_autocopy)
3400 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3403 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3405 return AVERROR(ENOMEM);
3406 os->chapters[os->nb_chapters - 1] = out_ch;
3411 static int read_avserver_streams(AVFormatContext *s, const char *filename)
3414 AVFormatContext *ic = NULL;
3416 err = avformat_open_input(&ic, filename, NULL, NULL);
3419 /* copy stream format */
3420 for(i=0;i<ic->nb_streams;i++) {
3425 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3426 ost = new_output_stream(s, codec->type);
3429 // FIXME: a more elegant solution is needed
3430 memcpy(st, ic->streams[i], sizeof(AVStream));
3432 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3434 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3435 choose_sample_fmt(st, codec);
3436 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3437 choose_pixel_fmt(st, codec);
3440 av_close_input_file(ic);
3444 static void opt_output_file(const char *filename)
3446 AVFormatContext *oc;
3448 AVOutputFormat *file_oformat;
3452 if (!strcmp(filename, "-"))
3455 oc = avformat_alloc_context();
3457 print_error(filename, AVERROR(ENOMEM));
3461 if (last_asked_format) {
3462 file_oformat = av_guess_format(last_asked_format, NULL, NULL);
3463 if (!file_oformat) {
3464 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
3467 last_asked_format = NULL;
3469 file_oformat = av_guess_format(NULL, filename, NULL);
3470 if (!file_oformat) {
3471 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3477 oc->oformat = file_oformat;
3478 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3480 if (!strcmp(file_oformat->name, "ffm") &&
3481 av_strstart(filename, "http:", NULL)) {
3482 /* special case for files sent to avserver: we get the stream
3483 parameters from avserver */
3484 int err = read_avserver_streams(oc, filename);
3486 print_error(filename, err);
3489 } else if (!nb_stream_maps) {
3490 /* pick the "best" stream of each type */
3491 #define NEW_STREAM(type, index)\
3493 ost = new_ ## type ## _stream(oc);\
3494 ost->source_index = index;\
3495 ost->sync_ist = &input_streams[index];\
3496 input_streams[index].discard = 0;\
3499 /* video: highest resolution */
3500 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3501 int area = 0, idx = -1;
3502 for (i = 0; i < nb_input_streams; i++) {
3503 ist = &input_streams[i];
3504 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3505 ist->st->codec->width * ist->st->codec->height > area) {
3506 area = ist->st->codec->width * ist->st->codec->height;
3510 NEW_STREAM(video, idx);
3513 /* audio: most channels */
3514 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3515 int channels = 0, idx = -1;
3516 for (i = 0; i < nb_input_streams; i++) {
3517 ist = &input_streams[i];
3518 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3519 ist->st->codec->channels > channels) {
3520 channels = ist->st->codec->channels;
3524 NEW_STREAM(audio, idx);
3527 /* subtitles: pick first */
3528 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3529 for (i = 0; i < nb_input_streams; i++)
3530 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3531 NEW_STREAM(subtitle, i);
3535 /* do something with data? */
3537 for (i = 0; i < nb_stream_maps; i++) {
3538 StreamMap *map = &stream_maps[i];
3543 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3544 switch (ist->st->codec->codec_type) {
3545 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc); break;
3546 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc); break;
3547 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc); break;
3548 case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc); break;
3550 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3551 map->file_index, map->stream_index);
3555 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3556 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3557 map->sync_stream_index];
3562 av_dict_copy(&oc->metadata, metadata, 0);
3563 av_dict_free(&metadata);
3566 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3567 output_files[nb_output_files - 1].ctx = oc;
3568 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3569 output_files[nb_output_files - 1].recording_time = recording_time;
3570 output_files[nb_output_files - 1].start_time = start_time;
3571 output_files[nb_output_files - 1].limit_filesize = limit_filesize;
3572 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3574 /* check filename in case of an image number is expected */
3575 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3576 if (!av_filename_number_test(oc->filename)) {
3577 print_error(oc->filename, AVERROR(EINVAL));
3582 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3583 /* test if it already exists to avoid loosing precious files */
3584 if (!file_overwrite &&
3585 (strchr(filename, ':') == NULL ||
3586 filename[1] == ':' ||
3587 av_strstart(filename, "file:", NULL))) {
3588 if (avio_check(filename, 0) == 0) {
3590 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3592 if (!read_yesno()) {
3593 fprintf(stderr, "Not overwriting - exiting\n");
3598 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3605 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3606 print_error(filename, err);
3611 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3612 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3613 oc->flags |= AVFMT_FLAG_NONBLOCK;
3616 if (chapters_input_file >= nb_input_files) {
3617 if (chapters_input_file == INT_MAX) {
3618 /* copy chapters from the first input file that has them*/
3619 chapters_input_file = -1;
3620 for (i = 0; i < nb_input_files; i++)
3621 if (input_files[i].ctx->nb_chapters) {
3622 chapters_input_file = i;
3626 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3627 chapters_input_file);
3631 if (chapters_input_file >= 0)
3632 copy_chapters(chapters_input_file, nb_output_files - 1);
3635 for (i = 0; i < nb_meta_data_maps; i++) {
3636 AVFormatContext *files[2];
3637 AVDictionary **meta[2];
3640 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3641 if ((index) < 0 || (index) >= (nb_elems)) {\
3642 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3647 int in_file_index = meta_data_maps[i][1].file;
3648 if (in_file_index < 0)
3650 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3653 files[1] = input_files[in_file_index].ctx;
3655 for (j = 0; j < 2; j++) {
3656 MetadataMap *map = &meta_data_maps[i][j];
3658 switch (map->type) {
3660 meta[j] = &files[j]->metadata;
3663 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3664 meta[j] = &files[j]->streams[map->index]->metadata;
3667 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3668 meta[j] = &files[j]->chapters[map->index]->metadata;
3671 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3672 meta[j] = &files[j]->programs[map->index]->metadata;
3677 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3680 /* copy global metadata by default */
3681 if (metadata_global_autocopy && nb_input_files)
3682 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3683 AV_DICT_DONT_OVERWRITE);
3684 if (metadata_streams_autocopy)
3685 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3686 InputStream *ist = &input_streams[output_streams[i].source_index];
3687 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3690 frame_rate = (AVRational){0, 0};
3693 audio_sample_rate = 0;
3695 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3696 chapters_input_file = INT_MAX;
3697 recording_time = INT64_MAX;
3699 limit_filesize = UINT64_MAX;
3701 av_freep(&meta_data_maps);
3702 nb_meta_data_maps = 0;
3703 metadata_global_autocopy = 1;
3704 metadata_streams_autocopy = 1;
3705 metadata_chapters_autocopy = 1;
3706 av_freep(&stream_maps);
3708 av_freep(&streamid_map);
3709 nb_streamid_map = 0;
3711 av_dict_free(&codec_names);
3713 av_freep(&forced_key_frames);
3718 /* same option as mencoder */
3719 static int opt_pass(const char *opt, const char *arg)
3721 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3725 static int64_t getutime(void)
3728 struct rusage rusage;
3730 getrusage(RUSAGE_SELF, &rusage);
3731 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3732 #elif HAVE_GETPROCESSTIMES
3734 FILETIME c, e, k, u;
3735 proc = GetCurrentProcess();
3736 GetProcessTimes(proc, &c, &e, &k, &u);
3737 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3739 return av_gettime();
3743 static int64_t getmaxrss(void)
3745 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3746 struct rusage rusage;
3747 getrusage(RUSAGE_SELF, &rusage);
3748 return (int64_t)rusage.ru_maxrss * 1024;
3749 #elif HAVE_GETPROCESSMEMORYINFO
3751 PROCESS_MEMORY_COUNTERS memcounters;
3752 proc = GetCurrentProcess();
3753 memcounters.cb = sizeof(memcounters);
3754 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3755 return memcounters.PeakPagefileUsage;
3761 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3764 const char *p = str;
3771 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3778 static void opt_inter_matrix(const char *arg)
3780 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3781 parse_matrix_coeffs(inter_matrix, arg);
3784 static void opt_intra_matrix(const char *arg)
3786 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3787 parse_matrix_coeffs(intra_matrix, arg);
3790 static void show_usage(void)
3792 printf("Hyper fast Audio and Video encoder\n");
3793 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3797 static void show_help(void)
3800 AVOutputFormat *oformat = NULL;
3801 AVInputFormat *iformat = NULL;
3803 av_log_set_callback(log_callback_help);
3805 show_help_options(options, "Main options:\n",
3806 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3807 show_help_options(options, "\nAdvanced options:\n",
3808 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3810 show_help_options(options, "\nVideo options:\n",
3811 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3813 show_help_options(options, "\nAdvanced Video options:\n",
3814 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3815 OPT_VIDEO | OPT_EXPERT);
3816 show_help_options(options, "\nAudio options:\n",
3817 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3819 show_help_options(options, "\nAdvanced Audio options:\n",
3820 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3821 OPT_AUDIO | OPT_EXPERT);
3822 show_help_options(options, "\nSubtitle options:\n",
3823 OPT_SUBTITLE | OPT_GRAB,
3825 show_help_options(options, "\nAudio/Video grab options:\n",
3829 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3832 /* individual codec options */
3834 while ((c = av_codec_next(c))) {
3835 if (c->priv_class) {
3836 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3841 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3844 /* individual muxer options */
3845 while ((oformat = av_oformat_next(oformat))) {
3846 if (oformat->priv_class) {
3847 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3852 /* individual demuxer options */
3853 while ((iformat = av_iformat_next(iformat))) {
3854 if (iformat->priv_class) {
3855 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3860 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3863 static int opt_target(const char *opt, const char *arg)
3865 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3866 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3868 if(!strncmp(arg, "pal-", 4)) {
3871 } else if(!strncmp(arg, "ntsc-", 5)) {
3874 } else if(!strncmp(arg, "film-", 5)) {
3879 /* Calculate FR via float to avoid int overflow */
3880 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3883 } else if((fr == 29970) || (fr == 23976)) {
3886 /* Try to determine PAL/NTSC by peeking in the input files */
3887 if(nb_input_files) {
3889 for (j = 0; j < nb_input_files; j++) {
3890 for (i = 0; i < input_files[j].ctx->nb_streams; i++) {
3891 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
3892 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3894 fr = c->time_base.den * 1000 / c->time_base.num;
3898 } else if((fr == 29970) || (fr == 23976)) {
3908 if(verbose > 0 && norm != UNKNOWN)
3909 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3912 if(norm == UNKNOWN) {
3913 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3914 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3915 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3919 if(!strcmp(arg, "vcd")) {
3920 opt_codec("c:v", "mpeg1video");
3921 opt_codec("c:a", "mp2");
3922 opt_format("f", "vcd");
3924 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
3925 opt_frame_rate("r", frame_rates[norm]);
3926 opt_default("g", norm == PAL ? "15" : "18");
3928 opt_default("b", "1150000");
3929 opt_default("maxrate", "1150000");
3930 opt_default("minrate", "1150000");
3931 opt_default("bufsize", "327680"); // 40*1024*8;
3933 opt_default("b:a", "224000");
3934 audio_sample_rate = 44100;
3937 opt_default("packetsize", "2324");
3938 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3940 /* We have to offset the PTS, so that it is consistent with the SCR.
3941 SCR starts at 36000, but the first two packs contain only padding
3942 and the first pack from the other stream, respectively, may also have
3943 been written before.
3944 So the real data starts at SCR 36000+3*1200. */
3945 mux_preload= (36000+3*1200) / 90000.0; //0.44
3946 } else if(!strcmp(arg, "svcd")) {
3948 opt_codec("c:v", "mpeg2video");
3949 opt_codec("c:a", "mp2");
3950 opt_format("f", "svcd");
3952 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
3953 opt_frame_rate("r", frame_rates[norm]);
3954 opt_default("g", norm == PAL ? "15" : "18");
3956 opt_default("b", "2040000");
3957 opt_default("maxrate", "2516000");
3958 opt_default("minrate", "0"); //1145000;
3959 opt_default("bufsize", "1835008"); //224*1024*8;
3960 opt_default("flags", "+scan_offset");
3963 opt_default("b:a", "224000");
3964 audio_sample_rate = 44100;
3966 opt_default("packetsize", "2324");
3968 } else if(!strcmp(arg, "dvd")) {
3970 opt_codec("c:v", "mpeg2video");
3971 opt_codec("c:a", "ac3");
3972 opt_format("f", "dvd");
3974 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
3975 opt_frame_rate("r", frame_rates[norm]);
3976 opt_default("g", norm == PAL ? "15" : "18");
3978 opt_default("b", "6000000");
3979 opt_default("maxrate", "9000000");
3980 opt_default("minrate", "0"); //1500000;
3981 opt_default("bufsize", "1835008"); //224*1024*8;
3983 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3984 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3986 opt_default("b:a", "448000");
3987 audio_sample_rate = 48000;
3989 } else if(!strncmp(arg, "dv", 2)) {
3991 opt_format("f", "dv");
3993 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
3994 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
3995 norm == PAL ? "yuv420p" : "yuv411p");
3996 opt_frame_rate("r", frame_rates[norm]);
3998 audio_sample_rate = 48000;
4002 fprintf(stderr, "Unknown target: %s\n", arg);
4003 return AVERROR(EINVAL);
4008 static int opt_vstats_file(const char *opt, const char *arg)
4010 av_free (vstats_filename);
4011 vstats_filename=av_strdup (arg);
4015 static int opt_vstats(const char *opt, const char *arg)
4018 time_t today2 = time(NULL);
4019 struct tm *today = localtime(&today2);
4021 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4023 return opt_vstats_file(opt, filename);
4026 static int opt_bsf(const char *opt, const char *arg)
4028 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4029 AVBitStreamFilterContext **bsfp;
4032 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4036 bsfp= *opt == 'v' ? &video_bitstream_filters :
4037 *opt == 'a' ? &audio_bitstream_filters :
4038 &subtitle_bitstream_filters;
4040 bsfp= &(*bsfp)->next;
4047 static const OptionDef options[] = {
4049 #include "cmdutils_common_opts.h"
4050 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4051 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4052 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4053 { "c", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4054 { "codec", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4055 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4056 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4057 "outfile[,metadata]:infile[,metadata]" },
4058 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&chapters_input_file}, "set chapters mapping", "input_file_index" },
4059 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4060 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4061 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4062 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4063 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "scale" },
4064 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4065 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4066 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4067 "add timings for benchmarking" },
4068 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4069 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4070 "dump each input packet" },
4071 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4072 "when dumping packets, also dump the payload" },
4073 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4074 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4075 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4076 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4077 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4078 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4079 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4080 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4081 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4082 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4083 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4084 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4085 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4086 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4089 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4090 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4091 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4092 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4093 { "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" },
4094 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4095 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4096 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4097 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4098 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4099 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4100 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4101 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4102 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4103 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4104 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4105 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4106 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4107 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4108 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimation threshold", "threshold" },
4109 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4110 "use same quantizer as source (implies VBR)" },
4111 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4112 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4113 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4114 "deinterlace pictures" },
4115 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4116 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4117 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4119 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4121 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4122 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4123 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4124 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4125 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4126 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4127 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4128 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4129 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4130 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4133 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4134 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4135 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4136 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4137 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4138 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4139 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4140 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4141 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4142 { "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" },
4144 /* subtitle options */
4145 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4146 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4147 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4148 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4151 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4154 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4155 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4157 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4158 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4159 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4161 /* data codec support */
4162 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4164 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4168 int main(int argc, char **argv)
4172 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4174 avcodec_register_all();
4176 avdevice_register_all();
4179 avfilter_register_all();
4183 avio_set_interrupt_cb(decode_interrupt_cb);
4190 parse_options(argc, argv, options, opt_output_file);
4192 if(nb_output_files <= 0 && nb_input_files == 0) {
4194 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4198 /* file converter / grab */
4199 if (nb_output_files <= 0) {
4200 fprintf(stderr, "At least one output file must be specified\n");
4204 if (nb_input_files == 0) {
4205 fprintf(stderr, "At least one input file must be specified\n");
4210 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4212 ti = getutime() - ti;
4214 int maxrss = getmaxrss() / 1024;
4215 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4218 return exit_program(0);