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avconv: always print stats with AV_LOG_INFO
[libav.git] / avconv.c
1 /*
2 * avconv main
3 * Copyright (c) 2000-2011 The libav developers.
4 *
5 * This file is part of Libav.
6 *
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.
11 *
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.
16 *
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
20 */
21
22 #include "config.h"
23 #include <ctype.h>
24 #include <string.h>
25 #include <math.h>
26 #include <stdlib.h>
27 #include <errno.h>
28 #include <signal.h>
29 #include <limits.h>
30 #include <unistd.h>
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"
48
49 #if CONFIG_AVFILTER
50 # include "libavfilter/avfilter.h"
51 # include "libavfilter/avfiltergraph.h"
52 # include "libavfilter/vsrc_buffer.h"
53 #endif
54
55 #if HAVE_SYS_RESOURCE_H
56 #include <sys/types.h>
57 #include <sys/time.h>
58 #include <sys/resource.h>
59 #elif HAVE_GETPROCESSTIMES
60 #include <windows.h>
61 #endif
62 #if HAVE_GETPROCESSMEMORYINFO
63 #include <windows.h>
64 #include <psapi.h>
65 #endif
66
67 #if HAVE_SYS_SELECT_H
68 #include <sys/select.h>
69 #endif
70
71 #include <time.h>
72
73 #include "cmdutils.h"
74
75 #include "libavutil/avassert.h"
76
77 const char program_name[] = "avconv";
78 const int program_birth_year = 2000;
79
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 */
83 int file_index;
84 int stream_index;
85 int sync_file_index;
86 int sync_stream_index;
87 } StreamMap;
88
89 /**
90 * select an input file for an output file
91 */
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
96 } MetadataMap;
97
98 static const OptionDef options[];
99
100 static int video_discard = 0;
101 static int same_quant = 0;
102 static int do_deinterlace = 0;
103 static int intra_dc_precision = 8;
104 static int qp_hist = 0;
105
106 static int file_overwrite = 0;
107 static int do_benchmark = 0;
108 static int do_hex_dump = 0;
109 static int do_pkt_dump = 0;
110 static int do_pass = 0;
111 static char *pass_logfilename_prefix = NULL;
112 static int video_sync_method= -1;
113 static int audio_sync_method= 0;
114 static float audio_drift_threshold= 0.1;
115 static int copy_ts= 0;
116 static int copy_tb;
117 static int opt_shortest = 0;
118 static char *vstats_filename;
119 static FILE *vstats_file;
120 static int copy_initial_nonkeyframes = 0;
121
122 static int audio_volume = 256;
123
124 static int exit_on_error = 0;
125 static int using_stdin = 0;
126 static int64_t video_size = 0;
127 static int64_t audio_size = 0;
128 static int64_t extra_size = 0;
129 static int nb_frames_dup = 0;
130 static int nb_frames_drop = 0;
131 static int input_sync;
132
133 static float dts_delta_threshold = 10;
134
135 static int print_stats = 1;
136
137 static uint8_t *audio_buf;
138 static uint8_t *audio_out;
139 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
140
141 static void *samples;
142
143 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
144
145 typedef struct InputStream {
146 int file_index;
147 AVStream *st;
148 int discard; /* true if stream data should be discarded */
149 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
150 AVCodec *dec;
151
152 int64_t start; /* time when read started */
153 int64_t next_pts; /* synthetic pts for cases where pkt.pts
154 is not defined */
155 int64_t pts; /* current pts */
156 PtsCorrectionContext pts_ctx;
157 double ts_scale;
158 int is_start; /* is 1 at the start and after a discontinuity */
159 int showed_multi_packet_warning;
160 AVDictionary *opts;
161 } InputStream;
162
163 typedef struct InputFile {
164 AVFormatContext *ctx;
165 int eof_reached; /* true if eof reached */
166 int ist_index; /* index of first stream in ist_table */
167 int buffer_size; /* current total buffer size */
168 int64_t ts_offset;
169 int nb_streams; /* number of stream that avconv is aware of; may be different
170 from ctx.nb_streams if new streams appear during av_read_frame() */
171 int rate_emu;
172 } InputFile;
173
174 typedef struct OutputStream {
175 int file_index; /* file index */
176 int index; /* stream index in the output file */
177 int source_index; /* InputStream index */
178 AVStream *st; /* stream in the output file */
179 int encoding_needed; /* true if encoding needed for this stream */
180 int frame_number;
181 /* input pts and corresponding output pts
182 for A/V sync */
183 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
184 struct InputStream *sync_ist; /* input stream to sync against */
185 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
186 AVBitStreamFilterContext *bitstream_filters;
187 AVCodec *enc;
188 int64_t max_frames;
189
190 /* video only */
191 int video_resample;
192 AVFrame pict_tmp; /* temporary image for resampling */
193 struct SwsContext *img_resample_ctx; /* for image resampling */
194 int resample_height;
195 int resample_width;
196 int resample_pix_fmt;
197 AVRational frame_rate;
198 int force_fps;
199 int top_field_first;
200
201 float frame_aspect_ratio;
202
203 /* forced key frames */
204 int64_t *forced_kf_pts;
205 int forced_kf_count;
206 int forced_kf_index;
207
208 /* audio only */
209 int audio_resample;
210 ReSampleContext *resample; /* for audio resampling */
211 int resample_sample_fmt;
212 int resample_channels;
213 int resample_sample_rate;
214 int reformat_pair;
215 AVAudioConvert *reformat_ctx;
216 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
217 FILE *logfile;
218
219 #if CONFIG_AVFILTER
220 AVFilterContext *output_video_filter;
221 AVFilterContext *input_video_filter;
222 AVFilterBufferRef *picref;
223 char *avfilter;
224 AVFilterGraph *graph;
225 #endif
226
227 int sws_flags;
228 AVDictionary *opts;
229 int is_past_recording_time;
230 } OutputStream;
231
232
233 typedef struct OutputFile {
234 AVFormatContext *ctx;
235 AVDictionary *opts;
236 int ost_index; /* index of the first stream in output_streams */
237 int64_t recording_time; /* desired length of the resulting file in microseconds */
238 int64_t start_time; /* start time in microseconds */
239 uint64_t limit_filesize;
240 } OutputFile;
241
242 static InputStream *input_streams = NULL;
243 static int nb_input_streams = 0;
244 static InputFile *input_files = NULL;
245 static int nb_input_files = 0;
246
247 static OutputStream *output_streams = NULL;
248 static int nb_output_streams = 0;
249 static OutputFile *output_files = NULL;
250 static int nb_output_files = 0;
251
252 typedef struct OptionsContext {
253 /* input/output options */
254 int64_t start_time;
255 const char *format;
256
257 SpecifierOpt *codec_names;
258 int nb_codec_names;
259 SpecifierOpt *audio_channels;
260 int nb_audio_channels;
261 SpecifierOpt *audio_sample_rate;
262 int nb_audio_sample_rate;
263 SpecifierOpt *frame_rates;
264 int nb_frame_rates;
265 SpecifierOpt *frame_sizes;
266 int nb_frame_sizes;
267 SpecifierOpt *frame_pix_fmts;
268 int nb_frame_pix_fmts;
269
270 /* input options */
271 int64_t input_ts_offset;
272 int rate_emu;
273
274 SpecifierOpt *ts_scale;
275 int nb_ts_scale;
276
277 /* output options */
278 StreamMap *stream_maps;
279 int nb_stream_maps;
280 /* first item specifies output metadata, second is input */
281 MetadataMap (*meta_data_maps)[2];
282 int nb_meta_data_maps;
283 int metadata_global_manual;
284 int metadata_streams_manual;
285 int metadata_chapters_manual;
286
287 int chapters_input_file;
288
289 int64_t recording_time;
290 uint64_t limit_filesize;
291 float mux_preload;
292 float mux_max_delay;
293
294 int video_disable;
295 int audio_disable;
296 int subtitle_disable;
297 int data_disable;
298
299 /* indexed by output file stream index */
300 int *streamid_map;
301 int nb_streamid_map;
302
303 SpecifierOpt *metadata;
304 int nb_metadata;
305 SpecifierOpt *max_frames;
306 int nb_max_frames;
307 SpecifierOpt *bitstream_filters;
308 int nb_bitstream_filters;
309 SpecifierOpt *codec_tags;
310 int nb_codec_tags;
311 SpecifierOpt *sample_fmts;
312 int nb_sample_fmts;
313 SpecifierOpt *qscale;
314 int nb_qscale;
315 SpecifierOpt *forced_key_frames;
316 int nb_forced_key_frames;
317 SpecifierOpt *force_fps;
318 int nb_force_fps;
319 SpecifierOpt *frame_aspect_ratios;
320 int nb_frame_aspect_ratios;
321 SpecifierOpt *rc_overrides;
322 int nb_rc_overrides;
323 SpecifierOpt *intra_matrices;
324 int nb_intra_matrices;
325 SpecifierOpt *inter_matrices;
326 int nb_inter_matrices;
327 SpecifierOpt *top_field_first;
328 int nb_top_field_first;
329 #if CONFIG_AVFILTER
330 SpecifierOpt *filters;
331 int nb_filters;
332 #endif
333 } OptionsContext;
334
335 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
336 {\
337 int i, ret;\
338 for (i = 0; i < o->nb_ ## name; i++) {\
339 char *spec = o->name[i].specifier;\
340 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
341 outvar = o->name[i].u.type;\
342 else if (ret < 0)\
343 exit_program(1);\
344 }\
345 }
346
347 static void reset_options(OptionsContext *o)
348 {
349 const OptionDef *po = options;
350
351 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
352 while (po->name) {
353 void *dst = (uint8_t*)o + po->u.off;
354
355 if (po->flags & OPT_SPEC) {
356 SpecifierOpt **so = dst;
357 int i, *count = (int*)(so + 1);
358 for (i = 0; i < *count; i++) {
359 av_freep(&(*so)[i].specifier);
360 if (po->flags & OPT_STRING)
361 av_freep(&(*so)[i].u.str);
362 }
363 av_freep(so);
364 *count = 0;
365 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
366 av_freep(dst);
367 po++;
368 }
369
370 av_freep(&o->stream_maps);
371 av_freep(&o->meta_data_maps);
372 av_freep(&o->streamid_map);
373
374 memset(o, 0, sizeof(*o));
375
376 o->mux_preload = 0.5;
377 o->mux_max_delay = 0.7;
378 o->recording_time = INT64_MAX;
379 o->limit_filesize = UINT64_MAX;
380 o->chapters_input_file = INT_MAX;
381
382 uninit_opts();
383 init_opts();
384 }
385
386 #if CONFIG_AVFILTER
387
388 static int configure_video_filters(InputStream *ist, OutputStream *ost)
389 {
390 AVFilterContext *last_filter, *filter;
391 /** filter graph containing all filters including input & output */
392 AVCodecContext *codec = ost->st->codec;
393 AVCodecContext *icodec = ist->st->codec;
394 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
395 AVRational sample_aspect_ratio;
396 char args[255];
397 int ret;
398
399 ost->graph = avfilter_graph_alloc();
400
401 if (ist->st->sample_aspect_ratio.num){
402 sample_aspect_ratio = ist->st->sample_aspect_ratio;
403 }else
404 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
405
406 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
407 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
408 sample_aspect_ratio.num, sample_aspect_ratio.den);
409
410 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
411 "src", args, NULL, ost->graph);
412 if (ret < 0)
413 return ret;
414 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
415 "out", NULL, &ffsink_ctx, ost->graph);
416 if (ret < 0)
417 return ret;
418 last_filter = ost->input_video_filter;
419
420 if (codec->width != icodec->width || codec->height != icodec->height) {
421 snprintf(args, 255, "%d:%d:flags=0x%X",
422 codec->width,
423 codec->height,
424 ost->sws_flags);
425 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
426 NULL, args, NULL, ost->graph)) < 0)
427 return ret;
428 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
429 return ret;
430 last_filter = filter;
431 }
432
433 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
434 ost->graph->scale_sws_opts = av_strdup(args);
435
436 if (ost->avfilter) {
437 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
438 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
439
440 outputs->name = av_strdup("in");
441 outputs->filter_ctx = last_filter;
442 outputs->pad_idx = 0;
443 outputs->next = NULL;
444
445 inputs->name = av_strdup("out");
446 inputs->filter_ctx = ost->output_video_filter;
447 inputs->pad_idx = 0;
448 inputs->next = NULL;
449
450 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
451 return ret;
452 av_freep(&ost->avfilter);
453 } else {
454 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
455 return ret;
456 }
457
458 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
459 return ret;
460
461 codec->width = ost->output_video_filter->inputs[0]->w;
462 codec->height = ost->output_video_filter->inputs[0]->h;
463 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
464 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
465 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
466 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
467
468 return 0;
469 }
470 #endif /* CONFIG_AVFILTER */
471
472 static void term_exit(void)
473 {
474 av_log(NULL, AV_LOG_QUIET, "");
475 }
476
477 static volatile int received_sigterm = 0;
478 static volatile int received_nb_signals = 0;
479
480 static void
481 sigterm_handler(int sig)
482 {
483 received_sigterm = sig;
484 received_nb_signals++;
485 term_exit();
486 }
487
488 static void term_init(void)
489 {
490 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
491 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
492 #ifdef SIGXCPU
493 signal(SIGXCPU, sigterm_handler);
494 #endif
495 }
496
497 static int decode_interrupt_cb(void)
498 {
499 return received_nb_signals > 1;
500 }
501
502 void exit_program(int ret)
503 {
504 int i;
505
506 /* close files */
507 for(i=0;i<nb_output_files;i++) {
508 AVFormatContext *s = output_files[i].ctx;
509 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
510 avio_close(s->pb);
511 avformat_free_context(s);
512 av_dict_free(&output_files[i].opts);
513 }
514 for(i=0;i<nb_input_files;i++) {
515 av_close_input_file(input_files[i].ctx);
516 }
517 for (i = 0; i < nb_input_streams; i++)
518 av_dict_free(&input_streams[i].opts);
519
520 if (vstats_file)
521 fclose(vstats_file);
522 av_free(vstats_filename);
523
524 av_freep(&input_streams);
525 av_freep(&input_files);
526 av_freep(&output_streams);
527 av_freep(&output_files);
528
529 uninit_opts();
530 av_free(audio_buf);
531 av_free(audio_out);
532 allocated_audio_buf_size= allocated_audio_out_size= 0;
533 av_free(samples);
534
535 #if CONFIG_AVFILTER
536 avfilter_uninit();
537 #endif
538
539 if (received_sigterm) {
540 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
541 (int) received_sigterm);
542 exit (255);
543 }
544
545 exit(ret); /* not all OS-es handle main() return value */
546 }
547
548 static void assert_avoptions(AVDictionary *m)
549 {
550 AVDictionaryEntry *t;
551 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
552 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
553 exit_program(1);
554 }
555 }
556
557 static void assert_codec_experimental(AVCodecContext *c, int encoder)
558 {
559 const char *codec_string = encoder ? "encoder" : "decoder";
560 AVCodec *codec;
561 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
562 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
563 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
564 "results.\nAdd '-strict experimental' if you want to use it.\n",
565 codec_string, c->codec->name);
566 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
567 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
568 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
569 codec_string, codec->name);
570 exit_program(1);
571 }
572 }
573
574 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
575 {
576 if(codec && codec->sample_fmts){
577 const enum AVSampleFormat *p= codec->sample_fmts;
578 for(; *p!=-1; p++){
579 if(*p == st->codec->sample_fmt)
580 break;
581 }
582 if (*p == -1) {
583 av_log(NULL, AV_LOG_WARNING,
584 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
585 av_get_sample_fmt_name(st->codec->sample_fmt),
586 codec->name,
587 av_get_sample_fmt_name(codec->sample_fmts[0]));
588 st->codec->sample_fmt = codec->sample_fmts[0];
589 }
590 }
591 }
592
593 /**
594 * Update the requested input sample format based on the output sample format.
595 * This is currently only used to request float output from decoders which
596 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
597 * Ideally this will be removed in the future when decoders do not do format
598 * conversion and only output in their native format.
599 */
600 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
601 AVCodecContext *enc)
602 {
603 /* if sample formats match or a decoder sample format has already been
604 requested, just return */
605 if (enc->sample_fmt == dec->sample_fmt ||
606 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
607 return;
608
609 /* if decoder supports more than one output format */
610 if (dec_codec && dec_codec->sample_fmts &&
611 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
612 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
613 const enum AVSampleFormat *p;
614 int min_dec = -1, min_inc = -1;
615
616 /* find a matching sample format in the encoder */
617 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
618 if (*p == enc->sample_fmt) {
619 dec->request_sample_fmt = *p;
620 return;
621 } else if (*p > enc->sample_fmt) {
622 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
623 } else
624 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
625 }
626
627 /* if none match, provide the one that matches quality closest */
628 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
629 enc->sample_fmt - min_dec;
630 }
631 }
632
633 static void choose_sample_rate(AVStream *st, AVCodec *codec)
634 {
635 if(codec && codec->supported_samplerates){
636 const int *p= codec->supported_samplerates;
637 int best=0;
638 int best_dist=INT_MAX;
639 for(; *p; p++){
640 int dist= abs(st->codec->sample_rate - *p);
641 if(dist < best_dist){
642 best_dist= dist;
643 best= *p;
644 }
645 }
646 if(best_dist){
647 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
648 }
649 st->codec->sample_rate= best;
650 }
651 }
652
653 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
654 {
655 if(codec && codec->pix_fmts){
656 const enum PixelFormat *p= codec->pix_fmts;
657 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
658 if(st->codec->codec_id==CODEC_ID_MJPEG){
659 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
660 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
661 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};
662 }
663 }
664 for(; *p!=-1; p++){
665 if(*p == st->codec->pix_fmt)
666 break;
667 }
668 if (*p == -1) {
669 if(st->codec->pix_fmt != PIX_FMT_NONE)
670 av_log(NULL, AV_LOG_WARNING,
671 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
672 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
673 codec->name,
674 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
675 st->codec->pix_fmt = codec->pix_fmts[0];
676 }
677 }
678 }
679
680 static double
681 get_sync_ipts(const OutputStream *ost)
682 {
683 const InputStream *ist = ost->sync_ist;
684 OutputFile *of = &output_files[ost->file_index];
685 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
686 }
687
688 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
689 int ret;
690
691 while(bsfc){
692 AVPacket new_pkt= *pkt;
693 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
694 &new_pkt.data, &new_pkt.size,
695 pkt->data, pkt->size,
696 pkt->flags & AV_PKT_FLAG_KEY);
697 if(a>0){
698 av_free_packet(pkt);
699 new_pkt.destruct= av_destruct_packet;
700 } else if(a<0){
701 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
702 bsfc->filter->name, pkt->stream_index,
703 avctx->codec ? avctx->codec->name : "copy");
704 print_error("", a);
705 if (exit_on_error)
706 exit_program(1);
707 }
708 *pkt= new_pkt;
709
710 bsfc= bsfc->next;
711 }
712
713 ret= av_interleaved_write_frame(s, pkt);
714 if(ret < 0){
715 print_error("av_interleaved_write_frame()", ret);
716 exit_program(1);
717 }
718 }
719
720 static void do_audio_out(AVFormatContext *s,
721 OutputStream *ost,
722 InputStream *ist,
723 unsigned char *buf, int size)
724 {
725 uint8_t *buftmp;
726 int64_t audio_out_size, audio_buf_size;
727 int64_t allocated_for_size= size;
728
729 int size_out, frame_bytes, ret, resample_changed;
730 AVCodecContext *enc= ost->st->codec;
731 AVCodecContext *dec= ist->st->codec;
732 int osize = av_get_bytes_per_sample(enc->sample_fmt);
733 int isize = av_get_bytes_per_sample(dec->sample_fmt);
734 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
735
736 need_realloc:
737 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
738 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
739 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
740 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
741 audio_buf_size*= osize*enc->channels;
742
743 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
744 if(coded_bps > 8*osize)
745 audio_out_size= audio_out_size * coded_bps / (8*osize);
746 audio_out_size += FF_MIN_BUFFER_SIZE;
747
748 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
749 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
750 exit_program(1);
751 }
752
753 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
754 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
755 if (!audio_buf || !audio_out){
756 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
757 exit_program(1);
758 }
759
760 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
761 ost->audio_resample = 1;
762
763 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
764 ost->resample_channels != dec->channels ||
765 ost->resample_sample_rate != dec->sample_rate;
766
767 if ((ost->audio_resample && !ost->resample) || resample_changed) {
768 if (resample_changed) {
769 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",
770 ist->file_index, ist->st->index,
771 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
772 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
773 ost->resample_sample_fmt = dec->sample_fmt;
774 ost->resample_channels = dec->channels;
775 ost->resample_sample_rate = dec->sample_rate;
776 if (ost->resample)
777 audio_resample_close(ost->resample);
778 }
779 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
780 if (audio_sync_method <= 1 &&
781 ost->resample_sample_fmt == enc->sample_fmt &&
782 ost->resample_channels == enc->channels &&
783 ost->resample_sample_rate == enc->sample_rate) {
784 ost->resample = NULL;
785 ost->audio_resample = 0;
786 } else if (ost->audio_resample) {
787 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
788 av_log(NULL, AV_LOG_WARNING, "Using s16 intermediate sample format for resampling\n");
789 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
790 enc->sample_rate, dec->sample_rate,
791 enc->sample_fmt, dec->sample_fmt,
792 16, 10, 0, 0.8);
793 if (!ost->resample) {
794 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
795 dec->channels, dec->sample_rate,
796 enc->channels, enc->sample_rate);
797 exit_program(1);
798 }
799 }
800 }
801
802 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
803 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
804 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
805 if (ost->reformat_ctx)
806 av_audio_convert_free(ost->reformat_ctx);
807 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
808 dec->sample_fmt, 1, NULL, 0);
809 if (!ost->reformat_ctx) {
810 av_log(NULL, AV_LOG_FATAL, "Cannot convert %s sample format to %s sample format\n",
811 av_get_sample_fmt_name(dec->sample_fmt),
812 av_get_sample_fmt_name(enc->sample_fmt));
813 exit_program(1);
814 }
815 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
816 }
817
818 if(audio_sync_method){
819 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
820 - av_fifo_size(ost->fifo)/(enc->channels * 2);
821 double idelta= delta*dec->sample_rate / enc->sample_rate;
822 int byte_delta= ((int)idelta)*2*dec->channels;
823
824 //FIXME resample delay
825 if(fabs(delta) > 50){
826 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
827 if(byte_delta < 0){
828 byte_delta= FFMAX(byte_delta, -size);
829 size += byte_delta;
830 buf -= byte_delta;
831 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n", (int)-delta);
832 if(!size)
833 return;
834 ist->is_start=0;
835 }else{
836 static uint8_t *input_tmp= NULL;
837 input_tmp= av_realloc(input_tmp, byte_delta + size);
838
839 if(byte_delta > allocated_for_size - size){
840 allocated_for_size= byte_delta + (int64_t)size;
841 goto need_realloc;
842 }
843 ist->is_start=0;
844
845 memset(input_tmp, 0, byte_delta);
846 memcpy(input_tmp + byte_delta, buf, size);
847 buf= input_tmp;
848 size += byte_delta;
849 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", (int)delta);
850 }
851 }else if(audio_sync_method>1){
852 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
853 av_assert0(ost->audio_resample);
854 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
855 delta, comp, enc->sample_rate);
856 // 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));
857 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
858 }
859 }
860 }else
861 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
862 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
863
864 if (ost->audio_resample) {
865 buftmp = audio_buf;
866 size_out = audio_resample(ost->resample,
867 (short *)buftmp, (short *)buf,
868 size / (dec->channels * isize));
869 size_out = size_out * enc->channels * osize;
870 } else {
871 buftmp = buf;
872 size_out = size;
873 }
874
875 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
876 const void *ibuf[6]= {buftmp};
877 void *obuf[6]= {audio_buf};
878 int istride[6]= {isize};
879 int ostride[6]= {osize};
880 int len= size_out/istride[0];
881 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
882 printf("av_audio_convert() failed\n");
883 if (exit_on_error)
884 exit_program(1);
885 return;
886 }
887 buftmp = audio_buf;
888 size_out = len*osize;
889 }
890
891 /* now encode as many frames as possible */
892 if (enc->frame_size > 1) {
893 /* output resampled raw samples */
894 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
895 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
896 exit_program(1);
897 }
898 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
899
900 frame_bytes = enc->frame_size * osize * enc->channels;
901
902 while (av_fifo_size(ost->fifo) >= frame_bytes) {
903 AVPacket pkt;
904 av_init_packet(&pkt);
905
906 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
907
908 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
909
910 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
911 (short *)audio_buf);
912 if (ret < 0) {
913 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
914 exit_program(1);
915 }
916 audio_size += ret;
917 pkt.stream_index= ost->index;
918 pkt.data= audio_out;
919 pkt.size= ret;
920 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
921 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
922 pkt.flags |= AV_PKT_FLAG_KEY;
923 write_frame(s, &pkt, enc, ost->bitstream_filters);
924
925 ost->sync_opts += enc->frame_size;
926 }
927 } else {
928 AVPacket pkt;
929 av_init_packet(&pkt);
930
931 ost->sync_opts += size_out / (osize * enc->channels);
932
933 /* output a pcm frame */
934 /* determine the size of the coded buffer */
935 size_out /= osize;
936 if (coded_bps)
937 size_out = size_out*coded_bps/8;
938
939 if(size_out > audio_out_size){
940 av_log(NULL, AV_LOG_FATAL, "Internal error, buffer size too small\n");
941 exit_program(1);
942 }
943
944 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
945 ret = avcodec_encode_audio(enc, audio_out, size_out,
946 (short *)buftmp);
947 if (ret < 0) {
948 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
949 exit_program(1);
950 }
951 audio_size += ret;
952 pkt.stream_index= ost->index;
953 pkt.data= audio_out;
954 pkt.size= ret;
955 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
956 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
957 pkt.flags |= AV_PKT_FLAG_KEY;
958 write_frame(s, &pkt, enc, ost->bitstream_filters);
959 }
960 }
961
962 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
963 {
964 AVCodecContext *dec;
965 AVPicture *picture2;
966 AVPicture picture_tmp;
967 uint8_t *buf = 0;
968
969 dec = ist->st->codec;
970
971 /* deinterlace : must be done before any resize */
972 if (do_deinterlace) {
973 int size;
974
975 /* create temporary picture */
976 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
977 buf = av_malloc(size);
978 if (!buf)
979 return;
980
981 picture2 = &picture_tmp;
982 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
983
984 if(avpicture_deinterlace(picture2, picture,
985 dec->pix_fmt, dec->width, dec->height) < 0) {
986 /* if error, do not deinterlace */
987 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
988 av_free(buf);
989 buf = NULL;
990 picture2 = picture;
991 }
992 } else {
993 picture2 = picture;
994 }
995
996 if (picture != picture2)
997 *picture = *picture2;
998 *bufp = buf;
999 }
1000
1001 static void do_subtitle_out(AVFormatContext *s,
1002 OutputStream *ost,
1003 InputStream *ist,
1004 AVSubtitle *sub,
1005 int64_t pts)
1006 {
1007 static uint8_t *subtitle_out = NULL;
1008 int subtitle_out_max_size = 1024 * 1024;
1009 int subtitle_out_size, nb, i;
1010 AVCodecContext *enc;
1011 AVPacket pkt;
1012
1013 if (pts == AV_NOPTS_VALUE) {
1014 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1015 if (exit_on_error)
1016 exit_program(1);
1017 return;
1018 }
1019
1020 enc = ost->st->codec;
1021
1022 if (!subtitle_out) {
1023 subtitle_out = av_malloc(subtitle_out_max_size);
1024 }
1025
1026 /* Note: DVB subtitle need one packet to draw them and one other
1027 packet to clear them */
1028 /* XXX: signal it in the codec context ? */
1029 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1030 nb = 2;
1031 else
1032 nb = 1;
1033
1034 for(i = 0; i < nb; i++) {
1035 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1036 // start_display_time is required to be 0
1037 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1038 sub->end_display_time -= sub->start_display_time;
1039 sub->start_display_time = 0;
1040 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1041 subtitle_out_max_size, sub);
1042 if (subtitle_out_size < 0) {
1043 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1044 exit_program(1);
1045 }
1046
1047 av_init_packet(&pkt);
1048 pkt.stream_index = ost->index;
1049 pkt.data = subtitle_out;
1050 pkt.size = subtitle_out_size;
1051 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1052 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1053 /* XXX: the pts correction is handled here. Maybe handling
1054 it in the codec would be better */
1055 if (i == 0)
1056 pkt.pts += 90 * sub->start_display_time;
1057 else
1058 pkt.pts += 90 * sub->end_display_time;
1059 }
1060 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1061 }
1062 }
1063
1064 static int bit_buffer_size= 1024*256;
1065 static uint8_t *bit_buffer= NULL;
1066
1067 static void do_video_resample(OutputStream *ost,
1068 InputStream *ist,
1069 AVFrame *in_picture,
1070 AVFrame **out_picture)
1071 {
1072 int resample_changed = 0;
1073 AVCodecContext *dec = ist->st->codec;
1074 *out_picture = in_picture;
1075
1076 resample_changed = ost->resample_width != dec->width ||
1077 ost->resample_height != dec->height ||
1078 ost->resample_pix_fmt != dec->pix_fmt;
1079
1080 if (resample_changed) {
1081 av_log(NULL, AV_LOG_INFO,
1082 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1083 ist->file_index, ist->st->index,
1084 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1085 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1086 if(!ost->video_resample)
1087 ost->video_resample = 1;
1088 }
1089
1090 #if !CONFIG_AVFILTER
1091 if (ost->video_resample) {
1092 *out_picture = &ost->pict_tmp;
1093 if (resample_changed) {
1094 /* initialize a new scaler context */
1095 sws_freeContext(ost->img_resample_ctx);
1096 ost->img_resample_ctx = sws_getContext(
1097 ist->st->codec->width,
1098 ist->st->codec->height,
1099 ist->st->codec->pix_fmt,
1100 ost->st->codec->width,
1101 ost->st->codec->height,
1102 ost->st->codec->pix_fmt,
1103 ost->sws_flags, NULL, NULL, NULL);
1104 if (ost->img_resample_ctx == NULL) {
1105 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
1106 exit_program(1);
1107 }
1108 }
1109 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1110 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1111 }
1112 #else
1113 if (resample_changed) {
1114 avfilter_graph_free(&ost->graph);
1115 if (configure_video_filters(ist, ost)) {
1116 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1117 exit_program(1);
1118 }
1119 }
1120 #endif
1121 if (resample_changed) {
1122 ost->resample_width = dec->width;
1123 ost->resample_height = dec->height;
1124 ost->resample_pix_fmt = dec->pix_fmt;
1125 }
1126 }
1127
1128
1129 static void do_video_out(AVFormatContext *s,
1130 OutputStream *ost,
1131 InputStream *ist,
1132 AVFrame *in_picture,
1133 int *frame_size, float quality)
1134 {
1135 int nb_frames, i, ret, format_video_sync;
1136 AVFrame *final_picture;
1137 AVCodecContext *enc;
1138 double sync_ipts;
1139
1140 enc = ost->st->codec;
1141
1142 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1143
1144 /* by default, we output a single frame */
1145 nb_frames = 1;
1146
1147 *frame_size = 0;
1148
1149 format_video_sync = video_sync_method;
1150 if (format_video_sync < 0)
1151 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1152
1153 if (format_video_sync) {
1154 double vdelta = sync_ipts - ost->sync_opts;
1155 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1156 if (vdelta < -1.1)
1157 nb_frames = 0;
1158 else if (format_video_sync == 2) {
1159 if(vdelta<=-0.6){
1160 nb_frames=0;
1161 }else if(vdelta>0.6)
1162 ost->sync_opts= lrintf(sync_ipts);
1163 }else if (vdelta > 1.1)
1164 nb_frames = lrintf(vdelta);
1165 //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);
1166 if (nb_frames == 0){
1167 ++nb_frames_drop;
1168 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1169 }else if (nb_frames > 1) {
1170 nb_frames_dup += nb_frames - 1;
1171 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames-1);
1172 }
1173 }else
1174 ost->sync_opts= lrintf(sync_ipts);
1175
1176 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1177 if (nb_frames <= 0)
1178 return;
1179
1180 do_video_resample(ost, ist, in_picture, &final_picture);
1181
1182 /* duplicates frame if needed */
1183 for(i=0;i<nb_frames;i++) {
1184 AVPacket pkt;
1185 av_init_packet(&pkt);
1186 pkt.stream_index= ost->index;
1187
1188 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1189 /* raw pictures are written as AVPicture structure to
1190 avoid any copies. We support temporarily the older
1191 method. */
1192 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1193 enc->coded_frame->top_field_first = in_picture->top_field_first;
1194 pkt.data= (uint8_t *)final_picture;
1195 pkt.size= sizeof(AVPicture);
1196 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1197 pkt.flags |= AV_PKT_FLAG_KEY;
1198
1199 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1200 } else {
1201 AVFrame big_picture;
1202
1203 big_picture= *final_picture;
1204 /* better than nothing: use input picture interlaced
1205 settings */
1206 big_picture.interlaced_frame = in_picture->interlaced_frame;
1207 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1208 if (ost->top_field_first == -1)
1209 big_picture.top_field_first = in_picture->top_field_first;
1210 else
1211 big_picture.top_field_first = !!ost->top_field_first;
1212 }
1213
1214 /* handles same_quant here. This is not correct because it may
1215 not be a global option */
1216 big_picture.quality = quality;
1217 if (!enc->me_threshold)
1218 big_picture.pict_type = 0;
1219 // big_picture.pts = AV_NOPTS_VALUE;
1220 big_picture.pts= ost->sync_opts;
1221 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1222 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1223 if (ost->forced_kf_index < ost->forced_kf_count &&
1224 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1225 big_picture.pict_type = AV_PICTURE_TYPE_I;
1226 ost->forced_kf_index++;
1227 }
1228 ret = avcodec_encode_video(enc,
1229 bit_buffer, bit_buffer_size,
1230 &big_picture);
1231 if (ret < 0) {
1232 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1233 exit_program(1);
1234 }
1235
1236 if(ret>0){
1237 pkt.data= bit_buffer;
1238 pkt.size= ret;
1239 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1240 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1241 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1242 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1243 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1244
1245 if(enc->coded_frame->key_frame)
1246 pkt.flags |= AV_PKT_FLAG_KEY;
1247 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1248 *frame_size = ret;
1249 video_size += ret;
1250 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1251 // enc->frame_number-1, ret, enc->pict_type);
1252 /* if two pass, output log */
1253 if (ost->logfile && enc->stats_out) {
1254 fprintf(ost->logfile, "%s", enc->stats_out);
1255 }
1256 }
1257 }
1258 ost->sync_opts++;
1259 ost->frame_number++;
1260 }
1261 }
1262
1263 static double psnr(double d){
1264 return -10.0*log(d)/log(10.0);
1265 }
1266
1267 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1268 int frame_size)
1269 {
1270 AVCodecContext *enc;
1271 int frame_number;
1272 double ti1, bitrate, avg_bitrate;
1273
1274 /* this is executed just the first time do_video_stats is called */
1275 if (!vstats_file) {
1276 vstats_file = fopen(vstats_filename, "w");
1277 if (!vstats_file) {
1278 perror("fopen");
1279 exit_program(1);
1280 }
1281 }
1282
1283 enc = ost->st->codec;
1284 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1285 frame_number = ost->frame_number;
1286 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1287 if (enc->flags&CODEC_FLAG_PSNR)
1288 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1289
1290 fprintf(vstats_file,"f_size= %6d ", frame_size);
1291 /* compute pts value */
1292 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1293 if (ti1 < 0.01)
1294 ti1 = 0.01;
1295
1296 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1297 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1298 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1299 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1300 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1301 }
1302 }
1303
1304 static void print_report(OutputFile *output_files,
1305 OutputStream *ost_table, int nb_ostreams,
1306 int is_last_report, int64_t timer_start)
1307 {
1308 char buf[1024];
1309 OutputStream *ost;
1310 AVFormatContext *oc;
1311 int64_t total_size;
1312 AVCodecContext *enc;
1313 int frame_number, vid, i;
1314 double bitrate, ti1, pts;
1315 static int64_t last_time = -1;
1316 static int qp_histogram[52];
1317
1318 if (!print_stats && !is_last_report)
1319 return;
1320
1321 if (!is_last_report) {
1322 int64_t cur_time;
1323 /* display the report every 0.5 seconds */
1324 cur_time = av_gettime();
1325 if (last_time == -1) {
1326 last_time = cur_time;
1327 return;
1328 }
1329 if ((cur_time - last_time) < 500000)
1330 return;
1331 last_time = cur_time;
1332 }
1333
1334
1335 oc = output_files[0].ctx;
1336
1337 total_size = avio_size(oc->pb);
1338 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1339 total_size= avio_tell(oc->pb);
1340
1341 buf[0] = '\0';
1342 ti1 = 1e10;
1343 vid = 0;
1344 for(i=0;i<nb_ostreams;i++) {
1345 float q = -1;
1346 ost = &ost_table[i];
1347 enc = ost->st->codec;
1348 if (!ost->st->stream_copy && enc->coded_frame)
1349 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1350 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1351 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1352 }
1353 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1354 float t = (av_gettime()-timer_start) / 1000000.0;
1355
1356 frame_number = ost->frame_number;
1357 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1358 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1359 if(is_last_report)
1360 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1361 if(qp_hist){
1362 int j;
1363 int qp = lrintf(q);
1364 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1365 qp_histogram[qp]++;
1366 for(j=0; j<32; j++)
1367 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1368 }
1369 if (enc->flags&CODEC_FLAG_PSNR){
1370 int j;
1371 double error, error_sum=0;
1372 double scale, scale_sum=0;
1373 char type[3]= {'Y','U','V'};
1374 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1375 for(j=0; j<3; j++){
1376 if(is_last_report){
1377 error= enc->error[j];
1378 scale= enc->width*enc->height*255.0*255.0*frame_number;
1379 }else{
1380 error= enc->coded_frame->error[j];
1381 scale= enc->width*enc->height*255.0*255.0;
1382 }
1383 if(j) scale/=4;
1384 error_sum += error;
1385 scale_sum += scale;
1386 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1387 }
1388 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1389 }
1390 vid = 1;
1391 }
1392 /* compute min output value */
1393 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1394 if ((pts < ti1) && (pts > 0))
1395 ti1 = pts;
1396 }
1397 if (ti1 < 0.01)
1398 ti1 = 0.01;
1399
1400 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1401
1402 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1403 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1404 (double)total_size / 1024, ti1, bitrate);
1405
1406 if (nb_frames_dup || nb_frames_drop)
1407 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1408 nb_frames_dup, nb_frames_drop);
1409
1410 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1411
1412 fflush(stderr);
1413
1414 if (is_last_report) {
1415 int64_t raw= audio_size + video_size + extra_size;
1416 av_log(NULL, AV_LOG_INFO, "\n");
1417 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1418 video_size/1024.0,
1419 audio_size/1024.0,
1420 extra_size/1024.0,
1421 100.0*(total_size - raw)/raw
1422 );
1423 }
1424 }
1425
1426 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1427 {
1428 int fill_char = 0x00;
1429 if (sample_fmt == AV_SAMPLE_FMT_U8)
1430 fill_char = 0x80;
1431 memset(buf, fill_char, size);
1432 }
1433
1434 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1435 {
1436 int i, ret;
1437
1438 for (i = 0; i < nb_ostreams; i++) {
1439 OutputStream *ost = &ost_table[i];
1440 AVCodecContext *enc = ost->st->codec;
1441 AVFormatContext *os = output_files[ost->file_index].ctx;
1442
1443 if (!ost->encoding_needed)
1444 continue;
1445
1446 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1447 continue;
1448 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1449 continue;
1450
1451 for(;;) {
1452 AVPacket pkt;
1453 int fifo_bytes;
1454 av_init_packet(&pkt);
1455 pkt.stream_index= ost->index;
1456
1457 switch (ost->st->codec->codec_type) {
1458 case AVMEDIA_TYPE_AUDIO:
1459 fifo_bytes = av_fifo_size(ost->fifo);
1460 ret = 0;
1461 /* encode any samples remaining in fifo */
1462 if (fifo_bytes > 0) {
1463 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1464 int fs_tmp = enc->frame_size;
1465
1466 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1467 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1468 enc->frame_size = fifo_bytes / (osize * enc->channels);
1469 } else { /* pad */
1470 int frame_bytes = enc->frame_size*osize*enc->channels;
1471 if (allocated_audio_buf_size < frame_bytes)
1472 exit_program(1);
1473 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1474 }
1475
1476 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1477 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1478 ost->st->time_base.num, enc->sample_rate);
1479 enc->frame_size = fs_tmp;
1480 }
1481 if (ret <= 0) {
1482 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1483 }
1484 if (ret < 0) {
1485 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1486 exit_program(1);
1487 }
1488 audio_size += ret;
1489 pkt.flags |= AV_PKT_FLAG_KEY;
1490 break;
1491 case AVMEDIA_TYPE_VIDEO:
1492 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1493 if (ret < 0) {
1494 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1495 exit_program(1);
1496 }
1497 video_size += ret;
1498 if(enc->coded_frame && enc->coded_frame->key_frame)
1499 pkt.flags |= AV_PKT_FLAG_KEY;
1500 if (ost->logfile && enc->stats_out) {
1501 fprintf(ost->logfile, "%s", enc->stats_out);
1502 }
1503 break;
1504 default:
1505 ret=-1;
1506 }
1507
1508 if (ret <= 0)
1509 break;
1510 pkt.data = bit_buffer;
1511 pkt.size = ret;
1512 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1513 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1514 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1515 }
1516 }
1517 }
1518
1519 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1520 static int output_packet(InputStream *ist, int ist_index,
1521 OutputStream *ost_table, int nb_ostreams,
1522 const AVPacket *pkt)
1523 {
1524 AVFormatContext *os;
1525 OutputStream *ost;
1526 int ret = 0, i;
1527 int got_output;
1528 void *buffer_to_free = NULL;
1529 static unsigned int samples_size= 0;
1530 AVSubtitle subtitle, *subtitle_to_free;
1531 int64_t pkt_pts = AV_NOPTS_VALUE;
1532 #if CONFIG_AVFILTER
1533 int frame_available;
1534 #endif
1535 float quality;
1536
1537 AVPacket avpkt;
1538 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1539
1540 if(ist->next_pts == AV_NOPTS_VALUE)
1541 ist->next_pts= ist->pts;
1542
1543 if (pkt == NULL) {
1544 /* EOF handling */
1545 av_init_packet(&avpkt);
1546 avpkt.data = NULL;
1547 avpkt.size = 0;
1548 goto handle_eof;
1549 } else {
1550 avpkt = *pkt;
1551 }
1552
1553 if(pkt->dts != AV_NOPTS_VALUE)
1554 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1555 if(pkt->pts != AV_NOPTS_VALUE)
1556 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1557
1558 //while we have more to decode or while the decoder did output something on EOF
1559 while (avpkt.size > 0 || (!pkt && got_output)) {
1560 uint8_t *data_buf, *decoded_data_buf;
1561 int data_size, decoded_data_size;
1562 AVFrame *decoded_frame, *filtered_frame;
1563 handle_eof:
1564 ist->pts= ist->next_pts;
1565
1566 if(avpkt.size && avpkt.size != pkt->size)
1567 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1568 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1569 ist->showed_multi_packet_warning=1;
1570
1571 /* decode the packet if needed */
1572 decoded_frame = filtered_frame = NULL;
1573 decoded_data_buf = NULL; /* fail safe */
1574 decoded_data_size= 0;
1575 data_buf = avpkt.data;
1576 data_size = avpkt.size;
1577 subtitle_to_free = NULL;
1578 if (ist->decoding_needed) {
1579 switch(ist->st->codec->codec_type) {
1580 case AVMEDIA_TYPE_AUDIO:{
1581 if(pkt && samples_size < FFMAX(pkt->size * bps, AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1582 samples_size = FFMAX(pkt->size * bps, AVCODEC_MAX_AUDIO_FRAME_SIZE);
1583 av_free(samples);
1584 samples= av_malloc(samples_size);
1585 }
1586 decoded_data_size= samples_size;
1587 /* XXX: could avoid copy if PCM 16 bits with same
1588 endianness as CPU */
1589 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1590 &avpkt);
1591 if (ret < 0)
1592 return ret;
1593 avpkt.data += ret;
1594 avpkt.size -= ret;
1595 data_size = ret;
1596 got_output = decoded_data_size > 0;
1597 /* Some bug in mpeg audio decoder gives */
1598 /* decoded_data_size < 0, it seems they are overflows */
1599 if (!got_output) {
1600 /* no audio frame */
1601 continue;
1602 }
1603 decoded_data_buf = (uint8_t *)samples;
1604 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1605 (ist->st->codec->sample_rate * ist->st->codec->channels);
1606 break;}
1607 case AVMEDIA_TYPE_VIDEO:
1608 if (!(decoded_frame = avcodec_alloc_frame()))
1609 return AVERROR(ENOMEM);
1610 avpkt.pts = pkt_pts;
1611 avpkt.dts = ist->pts;
1612 pkt_pts = AV_NOPTS_VALUE;
1613
1614 ret = avcodec_decode_video2(ist->st->codec,
1615 decoded_frame, &got_output, &avpkt);
1616 quality = same_quant ? decoded_frame->quality : 0;
1617 if (ret < 0)
1618 goto fail;
1619 if (!got_output) {
1620 /* no picture yet */
1621 av_freep(&decoded_frame);
1622 goto discard_packet;
1623 }
1624 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1625 decoded_frame->pkt_dts);
1626 if (ist->st->codec->time_base.num != 0) {
1627 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1628 ist->next_pts += ((int64_t)AV_TIME_BASE *
1629 ist->st->codec->time_base.num * ticks) /
1630 ist->st->codec->time_base.den;
1631 }
1632 avpkt.size = 0;
1633 buffer_to_free = NULL;
1634 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1635 break;
1636 case AVMEDIA_TYPE_SUBTITLE:
1637 ret = avcodec_decode_subtitle2(ist->st->codec,
1638 &subtitle, &got_output, &avpkt);
1639 if (ret < 0)
1640 return ret;
1641 if (!got_output) {
1642 goto discard_packet;
1643 }
1644 subtitle_to_free = &subtitle;
1645 avpkt.size = 0;
1646 break;
1647 default:
1648 return -1;
1649 }
1650 } else {
1651 switch(ist->st->codec->codec_type) {
1652 case AVMEDIA_TYPE_AUDIO:
1653 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1654 ist->st->codec->sample_rate;
1655 break;
1656 case AVMEDIA_TYPE_VIDEO:
1657 if (ist->st->codec->time_base.num != 0) {
1658 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1659 ist->next_pts += ((int64_t)AV_TIME_BASE *
1660 ist->st->codec->time_base.num * ticks) /
1661 ist->st->codec->time_base.den;
1662 }
1663 break;
1664 }
1665 avpkt.size = 0;
1666 }
1667
1668 // preprocess audio (volume)
1669 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1670 if (audio_volume != 256) {
1671 switch (ist->st->codec->sample_fmt) {
1672 case AV_SAMPLE_FMT_U8:
1673 {
1674 uint8_t *volp = samples;
1675 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1676 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1677 *volp++ = av_clip_uint8(v);
1678 }
1679 break;
1680 }
1681 case AV_SAMPLE_FMT_S16:
1682 {
1683 int16_t *volp = samples;
1684 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1685 int v = ((*volp) * audio_volume + 128) >> 8;
1686 *volp++ = av_clip_int16(v);
1687 }
1688 break;
1689 }
1690 case AV_SAMPLE_FMT_S32:
1691 {
1692 int32_t *volp = samples;
1693 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1694 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1695 *volp++ = av_clipl_int32(v);
1696 }
1697 break;
1698 }
1699 case AV_SAMPLE_FMT_FLT:
1700 {
1701 float *volp = samples;
1702 float scale = audio_volume / 256.f;
1703 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1704 *volp++ *= scale;
1705 }
1706 break;
1707 }
1708 case AV_SAMPLE_FMT_DBL:
1709 {
1710 double *volp = samples;
1711 double scale = audio_volume / 256.;
1712 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1713 *volp++ *= scale;
1714 }
1715 break;
1716 }
1717 default:
1718 av_log(NULL, AV_LOG_FATAL,
1719 "Audio volume adjustment on sample format %s is not supported.\n",
1720 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1721 exit_program(1);
1722 }
1723 }
1724 }
1725
1726 /* frame rate emulation */
1727 if (input_files[ist->file_index].rate_emu) {
1728 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1729 int64_t now = av_gettime() - ist->start;
1730 if (pts > now)
1731 usleep(pts - now);
1732 }
1733 /* if output time reached then transcode raw format,
1734 encode packets and output them */
1735 for (i = 0; i < nb_ostreams; i++) {
1736 OutputFile *of = &output_files[ost_table[i].file_index];
1737 int frame_size;
1738
1739 ost = &ost_table[i];
1740 if (ost->source_index != ist_index)
1741 continue;
1742
1743 if (of->start_time && ist->pts < of->start_time)
1744 continue;
1745
1746 if (of->recording_time != INT64_MAX &&
1747 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1748 (AVRational){1, 1000000}) >= 0) {
1749 ost->is_past_recording_time = 1;
1750 continue;
1751 }
1752
1753 #if CONFIG_AVFILTER
1754 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1755 ost->input_video_filter) {
1756 AVRational sar;
1757 if (ist->st->sample_aspect_ratio.num)
1758 sar = ist->st->sample_aspect_ratio;
1759 else
1760 sar = ist->st->codec->sample_aspect_ratio;
1761 av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame, ist->pts, sar);
1762 if (!(filtered_frame = avcodec_alloc_frame())) {
1763 ret = AVERROR(ENOMEM);
1764 goto fail;
1765 }
1766 }
1767 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1768 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1769 while (frame_available) {
1770 AVRational ist_pts_tb;
1771 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1772 get_filtered_video_frame(ost->output_video_filter, filtered_frame, &ost->picref, &ist_pts_tb);
1773 if (ost->picref)
1774 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1775 #else
1776 filtered_frame = decoded_frame;
1777 #endif
1778 os = output_files[ost->file_index].ctx;
1779
1780 /* set the input output pts pairs */
1781 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1782
1783 if (ost->encoding_needed) {
1784 av_assert0(ist->decoding_needed);
1785 switch(ost->st->codec->codec_type) {
1786 case AVMEDIA_TYPE_AUDIO:
1787 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1788 break;
1789 case AVMEDIA_TYPE_VIDEO:
1790 #if CONFIG_AVFILTER
1791 if (ost->picref->video && !ost->frame_aspect_ratio)
1792 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1793 #endif
1794 do_video_out(os, ost, ist, filtered_frame, &frame_size,
1795 same_quant ? quality : ost->st->codec->global_quality);
1796 if (vstats_filename && frame_size)
1797 do_video_stats(os, ost, frame_size);
1798 break;
1799 case AVMEDIA_TYPE_SUBTITLE:
1800 do_subtitle_out(os, ost, ist, &subtitle,
1801 pkt->pts);
1802 break;
1803 default:
1804 abort();
1805 }
1806 } else {
1807 AVPacket opkt;
1808 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1809
1810 av_init_packet(&opkt);
1811
1812 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1813 #if !CONFIG_AVFILTER
1814 continue;
1815 #else
1816 goto cont;
1817 #endif
1818
1819 /* no reencoding needed : output the packet directly */
1820 /* force the input stream PTS */
1821
1822 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1823 audio_size += data_size;
1824 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1825 video_size += data_size;
1826 ost->sync_opts++;
1827 }
1828
1829 opkt.stream_index= ost->index;
1830 if(pkt->pts != AV_NOPTS_VALUE)
1831 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1832 else
1833 opkt.pts= AV_NOPTS_VALUE;
1834
1835 if (pkt->dts == AV_NOPTS_VALUE)
1836 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1837 else
1838 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1839 opkt.dts -= ost_tb_start_time;
1840
1841 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1842 opkt.flags= pkt->flags;
1843
1844 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1845 if( ost->st->codec->codec_id != CODEC_ID_H264
1846 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1847 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1848 ) {
1849 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1850 opkt.destruct= av_destruct_packet;
1851 } else {
1852 opkt.data = data_buf;
1853 opkt.size = data_size;
1854 }
1855
1856 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1857 ost->st->codec->frame_number++;
1858 ost->frame_number++;
1859 av_free_packet(&opkt);
1860 }
1861 #if CONFIG_AVFILTER
1862 cont:
1863 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1864 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1865 if (ost->picref)
1866 avfilter_unref_buffer(ost->picref);
1867 }
1868 av_freep(&filtered_frame);
1869 #endif
1870 }
1871
1872 fail:
1873 av_free(buffer_to_free);
1874 /* XXX: allocate the subtitles in the codec ? */
1875 if (subtitle_to_free) {
1876 avsubtitle_free(subtitle_to_free);
1877 subtitle_to_free = NULL;
1878 }
1879 av_freep(&decoded_frame);
1880 if (ret < 0)
1881 return ret;
1882 }
1883 discard_packet:
1884
1885 return 0;
1886 }
1887
1888 static void print_sdp(OutputFile *output_files, int n)
1889 {
1890 char sdp[2048];
1891 int i;
1892 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1893
1894 if (!avc)
1895 exit_program(1);
1896 for (i = 0; i < n; i++)
1897 avc[i] = output_files[i].ctx;
1898
1899 av_sdp_create(avc, n, sdp, sizeof(sdp));
1900 printf("SDP:\n%s\n", sdp);
1901 fflush(stdout);
1902 av_freep(&avc);
1903 }
1904
1905 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1906 char *error, int error_len)
1907 {
1908 int i;
1909 InputStream *ist = &input_streams[ist_index];
1910 if (ist->decoding_needed) {
1911 AVCodec *codec = ist->dec;
1912 if (!codec) {
1913 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d.%d",
1914 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1915 return AVERROR(EINVAL);
1916 }
1917
1918 /* update requested sample format for the decoder based on the
1919 corresponding encoder sample format */
1920 for (i = 0; i < nb_output_streams; i++) {
1921 OutputStream *ost = &output_streams[i];
1922 if (ost->source_index == ist_index) {
1923 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1924 break;
1925 }
1926 }
1927
1928 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1929 snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
1930 ist->file_index, ist->st->index);
1931 return AVERROR(EINVAL);
1932 }
1933 assert_codec_experimental(ist->st->codec, 0);
1934 assert_avoptions(ist->opts);
1935 }
1936
1937 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;
1938 ist->next_pts = AV_NOPTS_VALUE;
1939 init_pts_correction(&ist->pts_ctx);
1940 ist->is_start = 1;
1941
1942 return 0;
1943 }
1944
1945 static int transcode_init(OutputFile *output_files,
1946 int nb_output_files,
1947 InputFile *input_files,
1948 int nb_input_files)
1949 {
1950 int ret = 0, i, j, k;
1951 AVFormatContext *os;
1952 AVCodecContext *codec, *icodec;
1953 OutputStream *ost;
1954 InputStream *ist;
1955 char error[1024];
1956 int want_sdp = 1;
1957
1958 /* init framerate emulation */
1959 for (i = 0; i < nb_input_files; i++) {
1960 InputFile *ifile = &input_files[i];
1961 if (ifile->rate_emu)
1962 for (j = 0; j < ifile->nb_streams; j++)
1963 input_streams[j + ifile->ist_index].start = av_gettime();
1964 }
1965
1966 /* output stream init */
1967 for(i=0;i<nb_output_files;i++) {
1968 os = output_files[i].ctx;
1969 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1970 av_dump_format(os, i, os->filename, 1);
1971 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
1972 return AVERROR(EINVAL);
1973 }
1974 }
1975
1976 /* for each output stream, we compute the right encoding parameters */
1977 for (i = 0; i < nb_output_streams; i++) {
1978 ost = &output_streams[i];
1979 os = output_files[ost->file_index].ctx;
1980 ist = &input_streams[ost->source_index];
1981
1982 codec = ost->st->codec;
1983 icodec = ist->st->codec;
1984
1985 ost->st->disposition = ist->st->disposition;
1986 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1987 codec->chroma_sample_location = icodec->chroma_sample_location;
1988
1989 if (ost->st->stream_copy) {
1990 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1991
1992 if (extra_size > INT_MAX) {
1993 return AVERROR(EINVAL);
1994 }
1995
1996 /* if stream_copy is selected, no need to decode or encode */
1997 codec->codec_id = icodec->codec_id;
1998 codec->codec_type = icodec->codec_type;
1999
2000 if(!codec->codec_tag){
2001 if( !os->oformat->codec_tag
2002 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2003 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2004 codec->codec_tag = icodec->codec_tag;
2005 }
2006
2007 codec->bit_rate = icodec->bit_rate;
2008 codec->rc_max_rate = icodec->rc_max_rate;
2009 codec->rc_buffer_size = icodec->rc_buffer_size;
2010 codec->extradata= av_mallocz(extra_size);
2011 if (!codec->extradata) {
2012 return AVERROR(ENOMEM);
2013 }
2014 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2015 codec->extradata_size= icodec->extradata_size;
2016 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){
2017 codec->time_base = icodec->time_base;
2018 codec->time_base.num *= icodec->ticks_per_frame;
2019 av_reduce(&codec->time_base.num, &codec->time_base.den,
2020 codec->time_base.num, codec->time_base.den, INT_MAX);
2021 }else
2022 codec->time_base = ist->st->time_base;
2023 switch(codec->codec_type) {
2024 case AVMEDIA_TYPE_AUDIO:
2025 if(audio_volume != 256) {
2026 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2027 exit_program(1);
2028 }
2029 codec->channel_layout = icodec->channel_layout;
2030 codec->sample_rate = icodec->sample_rate;
2031 codec->channels = icodec->channels;
2032 codec->frame_size = icodec->frame_size;
2033 codec->audio_service_type = icodec->audio_service_type;
2034 codec->block_align= icodec->block_align;
2035 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2036 codec->block_align= 0;
2037 if(codec->codec_id == CODEC_ID_AC3)
2038 codec->block_align= 0;
2039 break;
2040 case AVMEDIA_TYPE_VIDEO:
2041 codec->pix_fmt = icodec->pix_fmt;
2042 codec->width = icodec->width;
2043 codec->height = icodec->height;
2044 codec->has_b_frames = icodec->has_b_frames;
2045 if (!codec->sample_aspect_ratio.num) {
2046 codec->sample_aspect_ratio =
2047 ost->st->sample_aspect_ratio =
2048 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2049 ist->st->codec->sample_aspect_ratio.num ?
2050 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2051 }
2052 break;
2053 case AVMEDIA_TYPE_SUBTITLE:
2054 codec->width = icodec->width;
2055 codec->height = icodec->height;
2056 break;
2057 case AVMEDIA_TYPE_DATA:
2058 case AVMEDIA_TYPE_ATTACHMENT:
2059 break;
2060 default:
2061 abort();
2062 }
2063 } else {
2064 if (!ost->enc)
2065 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2066 ist->decoding_needed = 1;
2067 ost->encoding_needed = 1;
2068 switch(codec->codec_type) {
2069 case AVMEDIA_TYPE_AUDIO:
2070 ost->fifo= av_fifo_alloc(1024);
2071 if (!ost->fifo) {
2072 return AVERROR(ENOMEM);
2073 }
2074 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2075 if (!codec->sample_rate) {
2076 codec->sample_rate = icodec->sample_rate;
2077 if (icodec->lowres)
2078 codec->sample_rate >>= icodec->lowres;
2079 }
2080 choose_sample_rate(ost->st, ost->enc);
2081 codec->time_base = (AVRational){1, codec->sample_rate};
2082 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2083 codec->sample_fmt = icodec->sample_fmt;
2084 choose_sample_fmt(ost->st, ost->enc);
2085 if (!codec->channels)
2086 codec->channels = icodec->channels;
2087 codec->channel_layout = icodec->channel_layout;
2088 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2089 codec->channel_layout = 0;
2090 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2091 icodec->request_channels = codec->channels;
2092 ost->resample_sample_fmt = icodec->sample_fmt;
2093 ost->resample_sample_rate = icodec->sample_rate;
2094 ost->resample_channels = icodec->channels;
2095 break;
2096 case AVMEDIA_TYPE_VIDEO:
2097 if (codec->pix_fmt == PIX_FMT_NONE)
2098 codec->pix_fmt = icodec->pix_fmt;
2099 choose_pixel_fmt(ost->st, ost->enc);
2100
2101 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2102 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2103 exit_program(1);
2104 }
2105
2106 if (!codec->width || !codec->height) {
2107 codec->width = icodec->width;
2108 codec->height = icodec->height;
2109 }
2110
2111 ost->video_resample = codec->width != icodec->width ||
2112 codec->height != icodec->height ||
2113 codec->pix_fmt != icodec->pix_fmt;
2114 if (ost->video_resample) {
2115 #if !CONFIG_AVFILTER
2116 avcodec_get_frame_defaults(&ost->pict_tmp);
2117 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2118 codec->width, codec->height)) {
2119 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
2120 exit_program(1);
2121 }
2122 ost->img_resample_ctx = sws_getContext(
2123 icodec->width,
2124 icodec->height,
2125 icodec->pix_fmt,
2126 codec->width,
2127 codec->height,
2128 codec->pix_fmt,
2129 ost->sws_flags, NULL, NULL, NULL);
2130 if (ost->img_resample_ctx == NULL) {
2131 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
2132 exit_program(1);
2133 }
2134 #endif
2135 codec->bits_per_raw_sample= 0;
2136 }
2137
2138 ost->resample_height = icodec->height;
2139 ost->resample_width = icodec->width;
2140 ost->resample_pix_fmt= icodec->pix_fmt;
2141
2142 if (!ost->frame_rate.num)
2143 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2144 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2145 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2146 ost->frame_rate = ost->enc->supported_framerates[idx];
2147 }
2148 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2149
2150 #if CONFIG_AVFILTER
2151 if (configure_video_filters(ist, ost)) {
2152 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2153 exit(1);
2154 }
2155 #endif
2156 break;
2157 case AVMEDIA_TYPE_SUBTITLE:
2158 break;
2159 default:
2160 abort();
2161 break;
2162 }
2163 /* two pass mode */
2164 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2165 char logfilename[1024];
2166 FILE *f;
2167
2168 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2169 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2170 i);
2171 if (codec->flags & CODEC_FLAG_PASS1) {
2172 f = fopen(logfilename, "wb");
2173 if (!f) {
2174 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2175 logfilename, strerror(errno));
2176 exit_program(1);
2177 }
2178 ost->logfile = f;
2179 } else {
2180 char *logbuffer;
2181 size_t logbuffer_size;
2182 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2183 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2184 logfilename);
2185 exit_program(1);
2186 }
2187 codec->stats_in = logbuffer;
2188 }
2189 }
2190 }
2191 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2192 int size= codec->width * codec->height;
2193 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2194 }
2195 }
2196
2197 if (!bit_buffer)
2198 bit_buffer = av_malloc(bit_buffer_size);
2199 if (!bit_buffer) {
2200 av_log(NULL, AV_LOG_ERROR, "Cannot allocate %d bytes output buffer\n",
2201 bit_buffer_size);
2202 return AVERROR(ENOMEM);
2203 }
2204
2205 /* open each encoder */
2206 for (i = 0; i < nb_output_streams; i++) {
2207 ost = &output_streams[i];
2208 if (ost->encoding_needed) {
2209 AVCodec *codec = ost->enc;
2210 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2211 if (!codec) {
2212 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2213 ost->st->codec->codec_id, ost->file_index, ost->index);
2214 ret = AVERROR(EINVAL);
2215 goto dump_format;
2216 }
2217 if (dec->subtitle_header) {
2218 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2219 if (!ost->st->codec->subtitle_header) {
2220 ret = AVERROR(ENOMEM);
2221 goto dump_format;
2222 }
2223 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2224 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2225 }
2226 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2227 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2228 ost->file_index, ost->index);
2229 ret = AVERROR(EINVAL);
2230 goto dump_format;
2231 }
2232 assert_codec_experimental(ost->st->codec, 1);
2233 assert_avoptions(ost->opts);
2234 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2235 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2236 "It takes bits/s as argument, not kbits/s\n");
2237 extra_size += ost->st->codec->extradata_size;
2238
2239 if (ost->st->codec->me_threshold)
2240 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2241 }
2242 }
2243
2244 /* init input streams */
2245 for (i = 0; i < nb_input_streams; i++)
2246 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2247 goto dump_format;
2248
2249 /* discard unused programs */
2250 for (i = 0; i < nb_input_files; i++) {
2251 InputFile *ifile = &input_files[i];
2252 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2253 AVProgram *p = ifile->ctx->programs[j];
2254 int discard = AVDISCARD_ALL;
2255
2256 for (k = 0; k < p->nb_stream_indexes; k++)
2257 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2258 discard = AVDISCARD_DEFAULT;
2259 break;
2260 }
2261 p->discard = discard;
2262 }
2263 }
2264
2265 /* open files and write file headers */
2266 for (i = 0; i < nb_output_files; i++) {
2267 os = output_files[i].ctx;
2268 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2269 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2270 ret = AVERROR(EINVAL);
2271 goto dump_format;
2272 }
2273 assert_avoptions(output_files[i].opts);
2274 if (strcmp(os->oformat->name, "rtp")) {
2275 want_sdp = 0;
2276 }
2277 }
2278
2279 dump_format:
2280 /* dump the file output parameters - cannot be done before in case
2281 of stream copy */
2282 for(i=0;i<nb_output_files;i++) {
2283 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2284 }
2285
2286 /* dump the stream mapping */
2287 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2288 for (i = 0; i < nb_output_streams; i++) {
2289 ost = &output_streams[i];
2290 av_log(NULL, AV_LOG_INFO, " Stream #%d.%d -> #%d.%d",
2291 input_streams[ost->source_index].file_index,
2292 input_streams[ost->source_index].st->index,
2293 ost->file_index,
2294 ost->index);
2295 if (ost->sync_ist != &input_streams[ost->source_index])
2296 av_log(NULL, AV_LOG_INFO, " [sync #%d.%d]",
2297 ost->sync_ist->file_index,
2298 ost->sync_ist->st->index);
2299 if (ost->st->stream_copy)
2300 av_log(NULL, AV_LOG_INFO, " (copy)");
2301 else
2302 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2303 input_streams[ost->source_index].dec->name : "?",
2304 ost->enc ? ost->enc->name : "?");
2305 av_log(NULL, AV_LOG_INFO, "\n");
2306 }
2307
2308 if (ret) {
2309 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2310 return ret;
2311 }
2312
2313 if (want_sdp) {
2314 print_sdp(output_files, nb_output_files);
2315 }
2316
2317 return 0;
2318 }
2319
2320 /*
2321 * The following code is the main loop of the file converter
2322 */
2323 static int transcode(OutputFile *output_files,
2324 int nb_output_files,
2325 InputFile *input_files,
2326 int nb_input_files)
2327 {
2328 int ret, i;
2329 AVFormatContext *is, *os;
2330 OutputStream *ost;
2331 InputStream *ist;
2332 uint8_t *no_packet;
2333 int no_packet_count=0;
2334 int64_t timer_start;
2335
2336 if (!(no_packet = av_mallocz(nb_input_files)))
2337 exit_program(1);
2338
2339 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2340 if (ret < 0)
2341 goto fail;
2342
2343 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
2344 term_init();
2345
2346 timer_start = av_gettime();
2347
2348 for(; received_sigterm == 0;) {
2349 int file_index, ist_index;
2350 AVPacket pkt;
2351 int64_t ipts_min;
2352 double opts_min;
2353
2354 ipts_min = INT64_MAX;
2355 opts_min= 1e100;
2356
2357 /* select the stream that we must read now by looking at the
2358 smallest output pts */
2359 file_index = -1;
2360 for (i = 0; i < nb_output_streams; i++) {
2361 OutputFile *of;
2362 int64_t ipts;
2363 double opts;
2364 ost = &output_streams[i];
2365 of = &output_files[ost->file_index];
2366 os = output_files[ost->file_index].ctx;
2367 ist = &input_streams[ost->source_index];
2368 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2369 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2370 continue;
2371 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2372 ipts = ist->pts;
2373 if (!input_files[ist->file_index].eof_reached){
2374 if(ipts < ipts_min) {
2375 ipts_min = ipts;
2376 if(input_sync ) file_index = ist->file_index;
2377 }
2378 if(opts < opts_min) {
2379 opts_min = opts;
2380 if(!input_sync) file_index = ist->file_index;
2381 }
2382 }
2383 if (ost->frame_number >= ost->max_frames) {
2384 int j;
2385 for (j = 0; j < of->ctx->nb_streams; j++)
2386 output_streams[of->ost_index + j].is_past_recording_time = 1;
2387 continue;
2388 }
2389 }
2390 /* if none, if is finished */
2391 if (file_index < 0) {
2392 if(no_packet_count){
2393 no_packet_count=0;
2394 memset(no_packet, 0, nb_input_files);
2395 usleep(10000);
2396 continue;
2397 }
2398 break;
2399 }
2400
2401 /* read a frame from it and output it in the fifo */
2402 is = input_files[file_index].ctx;
2403 ret= av_read_frame(is, &pkt);
2404 if(ret == AVERROR(EAGAIN)){
2405 no_packet[file_index]=1;
2406 no_packet_count++;
2407 continue;
2408 }
2409 if (ret < 0) {
2410 input_files[file_index].eof_reached = 1;
2411 if (opt_shortest)
2412 break;
2413 else
2414 continue;
2415 }
2416
2417 no_packet_count=0;
2418 memset(no_packet, 0, nb_input_files);
2419
2420 if (do_pkt_dump) {
2421 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2422 is->streams[pkt.stream_index]);
2423 }
2424 /* the following test is needed in case new streams appear
2425 dynamically in stream : we ignore them */
2426 if (pkt.stream_index >= input_files[file_index].nb_streams)
2427 goto discard_packet;
2428 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2429 ist = &input_streams[ist_index];
2430 if (ist->discard)
2431 goto discard_packet;
2432
2433 if (pkt.dts != AV_NOPTS_VALUE)
2434 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2435 if (pkt.pts != AV_NOPTS_VALUE)
2436 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2437
2438 if(pkt.pts != AV_NOPTS_VALUE)
2439 pkt.pts *= ist->ts_scale;
2440 if(pkt.dts != AV_NOPTS_VALUE)
2441 pkt.dts *= ist->ts_scale;
2442
2443 // 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);
2444 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2445 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2446 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2447 int64_t delta= pkt_dts - ist->next_pts;
2448 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2449 input_files[ist->file_index].ts_offset -= delta;
2450 av_log(NULL, AV_LOG_DEBUG, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2451 delta, input_files[ist->file_index].ts_offset);
2452 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2453 if(pkt.pts != AV_NOPTS_VALUE)
2454 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2455 }
2456 }
2457
2458 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2459 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2460
2461 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d.%d\n",
2462 ist->file_index, ist->st->index);
2463 if (exit_on_error)
2464 exit_program(1);
2465 av_free_packet(&pkt);
2466 continue;
2467 }
2468
2469 discard_packet:
2470 av_free_packet(&pkt);
2471
2472 /* dump report by using the output first video and audio streams */
2473 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2474 }
2475
2476 /* at the end of stream, we must flush the decoder buffers */
2477 for (i = 0; i < nb_input_streams; i++) {
2478 ist = &input_streams[i];
2479 if (ist->decoding_needed) {
2480 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2481 }
2482 }
2483 flush_encoders(output_streams, nb_output_streams);
2484
2485 term_exit();
2486
2487 /* write the trailer if needed and close file */
2488 for(i=0;i<nb_output_files;i++) {
2489 os = output_files[i].ctx;
2490 av_write_trailer(os);
2491 }
2492
2493 /* dump report by using the first video and audio streams */
2494 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2495
2496 /* close each encoder */
2497 for (i = 0; i < nb_output_streams; i++) {
2498 ost = &output_streams[i];
2499 if (ost->encoding_needed) {
2500 av_freep(&ost->st->codec->stats_in);
2501 avcodec_close(ost->st->codec);
2502 }
2503 #if CONFIG_AVFILTER
2504 avfilter_graph_free(&ost->graph);
2505 #endif
2506 }
2507
2508 /* close each decoder */
2509 for (i = 0; i < nb_input_streams; i++) {
2510 ist = &input_streams[i];
2511 if (ist->decoding_needed) {
2512 avcodec_close(ist->st->codec);
2513 }
2514 }
2515
2516 /* finished ! */
2517 ret = 0;
2518
2519 fail:
2520 av_freep(&bit_buffer);
2521 av_freep(&no_packet);
2522
2523 if (output_streams) {
2524 for (i = 0; i < nb_output_streams; i++) {
2525 ost = &output_streams[i];
2526 if (ost) {
2527 if (ost->st->stream_copy)
2528 av_freep(&ost->st->codec->extradata);
2529 if (ost->logfile) {
2530 fclose(ost->logfile);
2531 ost->logfile = NULL;
2532 }
2533 av_fifo_free(ost->fifo); /* works even if fifo is not
2534 initialized but set to zero */
2535 av_freep(&ost->st->codec->subtitle_header);
2536 av_free(ost->pict_tmp.data[0]);
2537 av_free(ost->forced_kf_pts);
2538 if (ost->video_resample)
2539 sws_freeContext(ost->img_resample_ctx);
2540 if (ost->resample)
2541 audio_resample_close(ost->resample);
2542 if (ost->reformat_ctx)
2543 av_audio_convert_free(ost->reformat_ctx);
2544 av_dict_free(&ost->opts);
2545 }
2546 }
2547 }
2548 return ret;
2549 }
2550
2551 static int opt_verbose(const char *opt, const char *arg)
2552 {
2553 av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -loglevel\n", opt);
2554 return 0;
2555 }
2556
2557 static double parse_frame_aspect_ratio(const char *arg)
2558 {
2559 int x = 0, y = 0;
2560 double ar = 0;
2561 const char *p;
2562 char *end;
2563
2564 p = strchr(arg, ':');
2565 if (p) {
2566 x = strtol(arg, &end, 10);
2567 if (end == p)
2568 y = strtol(end+1, &end, 10);
2569 if (x > 0 && y > 0)
2570 ar = (double)x / (double)y;
2571 } else
2572 ar = strtod(arg, NULL);
2573
2574 if (!ar) {
2575 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
2576 exit_program(1);
2577 }
2578 return ar;
2579 }
2580
2581 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2582 {
2583 return parse_option(o, "codec:a", arg, options);
2584 }
2585
2586 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2587 {
2588 return parse_option(o, "codec:v", arg, options);
2589 }
2590
2591 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2592 {
2593 return parse_option(o, "codec:s", arg, options);
2594 }
2595
2596 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2597 {
2598 return parse_option(o, "codec:d", arg, options);
2599 }
2600
2601 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2602 {
2603 StreamMap *m = NULL;
2604 int i, negative = 0, file_idx;
2605 int sync_file_idx = -1, sync_stream_idx;
2606 char *p, *sync;
2607 char *map;
2608
2609 if (*arg == '-') {
2610 negative = 1;
2611 arg++;
2612 }
2613 map = av_strdup(arg);
2614
2615 /* parse sync stream first, just pick first matching stream */
2616 if (sync = strchr(map, ',')) {
2617 *sync = 0;
2618 sync_file_idx = strtol(sync + 1, &sync, 0);
2619 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2620 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
2621 exit_program(1);
2622 }
2623 if (*sync)
2624 sync++;
2625 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2626 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2627 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2628 sync_stream_idx = i;
2629 break;
2630 }
2631 if (i == input_files[sync_file_idx].nb_streams) {
2632 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
2633 "match any streams.\n", arg);
2634 exit_program(1);
2635 }
2636 }
2637
2638
2639 file_idx = strtol(map, &p, 0);
2640 if (file_idx >= nb_input_files || file_idx < 0) {
2641 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
2642 exit_program(1);
2643 }
2644 if (negative)
2645 /* disable some already defined maps */
2646 for (i = 0; i < o->nb_stream_maps; i++) {
2647 m = &o->stream_maps[i];
2648 if (check_stream_specifier(input_files[m->file_index].ctx,
2649 input_files[m->file_index].ctx->streams[m->stream_index],
2650 *p == ':' ? p + 1 : p) > 0)
2651 m->disabled = 1;
2652 }
2653 else
2654 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2655 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2656 *p == ':' ? p + 1 : p) <= 0)
2657 continue;
2658 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2659 &o->nb_stream_maps, o->nb_stream_maps + 1);
2660 m = &o->stream_maps[o->nb_stream_maps - 1];
2661
2662 m->file_index = file_idx;
2663 m->stream_index = i;
2664
2665 if (sync_file_idx >= 0) {
2666 m->sync_file_index = sync_file_idx;
2667 m->sync_stream_index = sync_stream_idx;
2668 } else {
2669 m->sync_file_index = file_idx;
2670 m->sync_stream_index = i;
2671 }
2672 }
2673
2674 if (!m) {
2675 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
2676 exit_program(1);
2677 }
2678
2679 av_freep(&map);
2680 return 0;
2681 }
2682
2683 static void parse_meta_type(char *arg, char *type, int *index)
2684 {
2685 if (*arg) {
2686 *type = *arg;
2687 switch (*arg) {
2688 case 'g':
2689 break;
2690 case 's':
2691 case 'c':
2692 case 'p':
2693 if (*(++arg) == ':')
2694 *index = strtol(++arg, NULL, 0);
2695 break;
2696 default:
2697 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
2698 exit_program(1);
2699 }
2700 } else
2701 *type = 'g';
2702 }
2703
2704 static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
2705 {
2706 MetadataMap *m, *m1;
2707 char *p;
2708
2709 o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
2710 &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
2711
2712 m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
2713 m->file = strtol(arg, &p, 0);
2714 parse_meta_type(*p ? p + 1 : p, &m->type, &m->index);
2715
2716 m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
2717 if (p = strchr(opt, ':'))
2718 parse_meta_type(p + 1, &m1->type, &m1->index);
2719 else
2720 m1->type = 'g';
2721
2722 if (m->type == 'g' || m1->type == 'g')
2723 o->metadata_global_manual = 1;
2724 if (m->type == 's' || m1->type == 's')
2725 o->metadata_streams_manual = 1;
2726 if (m->type == 'c' || m1->type == 'c')
2727 o->metadata_chapters_manual = 1;
2728
2729 return 0;
2730 }
2731
2732 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2733 {
2734 const char *codec_string = encoder ? "encoder" : "decoder";
2735 AVCodec *codec;
2736
2737 if(!name)
2738 return CODEC_ID_NONE;
2739 codec = encoder ?
2740 avcodec_find_encoder_by_name(name) :
2741 avcodec_find_decoder_by_name(name);
2742 if(!codec) {
2743 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
2744 exit_program(1);
2745 }
2746 if(codec->type != type) {
2747 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
2748 exit_program(1);
2749 }
2750 return codec->id;
2751 }
2752
2753 static AVCodec *choose_codec(OptionsContext *o, AVFormatContext *s, AVStream *st, enum AVMediaType type)
2754 {
2755 char *codec_name = NULL;
2756
2757 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
2758
2759 if (!codec_name) {
2760 if (s->oformat) {
2761 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2762 return avcodec_find_encoder(st->codec->codec_id);
2763 }
2764 } else if (!strcmp(codec_name, "copy"))
2765 st->stream_copy = 1;
2766 else {
2767 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2768 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2769 avcodec_find_decoder_by_name(codec_name);
2770 }
2771
2772 return NULL;
2773 }
2774
2775 /**
2776 * Add all the streams from the given input file to the global
2777 * list of input streams.
2778 */
2779 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
2780 {
2781 int i, rfps, rfps_base;
2782
2783 for (i = 0; i < ic->nb_streams; i++) {
2784 AVStream *st = ic->streams[i];
2785 AVCodecContext *dec = st->codec;
2786 InputStream *ist;
2787 double scale = 1.0;
2788
2789 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2790 ist = &input_streams[nb_input_streams - 1];
2791 ist->st = st;
2792 ist->file_index = nb_input_files;
2793 ist->discard = 1;
2794 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2795
2796 MATCH_PER_STREAM_OPT(ts_scale, dbl, scale, ic, st);
2797 ist->ts_scale = scale;
2798
2799 ist->dec = choose_codec(o, ic, st, dec->codec_type);
2800 if (!ist->dec)
2801 ist->dec = avcodec_find_decoder(dec->codec_id);
2802
2803 switch (dec->codec_type) {
2804 case AVMEDIA_TYPE_AUDIO:
2805 if (o->audio_disable)
2806 st->discard= AVDISCARD_ALL;
2807 break;
2808 case AVMEDIA_TYPE_VIDEO:
2809 rfps = ic->streams[i]->r_frame_rate.num;
2810 rfps_base = ic->streams[i]->r_frame_rate.den;
2811 if (dec->lowres) {
2812 dec->flags |= CODEC_FLAG_EMU_EDGE;
2813 dec->height >>= dec->lowres;
2814 dec->width >>= dec->lowres;
2815 }
2816
2817 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2818
2819 av_log(NULL, AV_LOG_INFO,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2820 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2821 (float)rfps / rfps_base, rfps, rfps_base);
2822 }
2823
2824 if (o->video_disable)
2825 st->discard= AVDISCARD_ALL;
2826 else if(video_discard)
2827 st->discard= video_discard;
2828 break;
2829 case AVMEDIA_TYPE_DATA:
2830 break;
2831 case AVMEDIA_TYPE_SUBTITLE:
2832 if (o->subtitle_disable)
2833 st->discard = AVDISCARD_ALL;
2834 break;
2835 case AVMEDIA_TYPE_ATTACHMENT:
2836 case AVMEDIA_TYPE_UNKNOWN:
2837 break;
2838 default:
2839 abort();
2840 }
2841 }
2842 }
2843
2844 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
2845 {
2846 AVFormatContext *ic;
2847 AVInputFormat *file_iformat = NULL;
2848 int err, i, ret;
2849 int64_t timestamp;
2850 uint8_t buf[128];
2851 AVDictionary **opts;
2852 int orig_nb_streams; // number of streams before avformat_find_stream_info
2853
2854 if (o->format) {
2855 if (!(file_iformat = av_find_input_format(o->format))) {
2856 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
2857 exit_program(1);
2858 }
2859 }
2860
2861 if (!strcmp(filename, "-"))
2862 filename = "pipe:";
2863
2864 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2865 !strcmp(filename, "/dev/stdin");
2866
2867 /* get default parameters from command line */
2868 ic = avformat_alloc_context();
2869 if (!ic) {
2870 print_error(filename, AVERROR(ENOMEM));
2871 exit_program(1);
2872 }
2873 if (o->nb_audio_sample_rate) {
2874 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
2875 av_dict_set(&format_opts, "sample_rate", buf, 0);
2876 }
2877 if (o->nb_audio_channels) {
2878 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
2879 av_dict_set(&format_opts, "channels", buf, 0);
2880 }
2881 if (o->nb_frame_rates) {
2882 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
2883 }
2884 if (o->nb_frame_sizes) {
2885 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
2886 }
2887 if (o->nb_frame_pix_fmts)
2888 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
2889
2890 ic->flags |= AVFMT_FLAG_NONBLOCK;
2891
2892 /* open the input file with generic libav function */
2893 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2894 if (err < 0) {
2895 print_error(filename, err);
2896 exit_program(1);
2897 }
2898 assert_avoptions(format_opts);
2899
2900 /* apply forced codec ids */
2901 for (i = 0; i < ic->nb_streams; i++)
2902 choose_codec(o, ic, ic->streams[i], ic->streams[i]->codec->codec_type);
2903
2904 /* Set AVCodecContext options for avformat_find_stream_info */
2905 opts = setup_find_stream_info_opts(ic, codec_opts);
2906 orig_nb_streams = ic->nb_streams;
2907
2908 /* If not enough info to get the stream parameters, we decode the
2909 first frames to get it. (used in mpeg case for example) */
2910 ret = avformat_find_stream_info(ic, opts);
2911 if (ret < 0) {
2912 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
2913 av_close_input_file(ic);
2914 exit_program(1);
2915 }
2916
2917 timestamp = o->start_time;
2918 /* add the stream start time */
2919 if (ic->start_time != AV_NOPTS_VALUE)
2920 timestamp += ic->start_time;
2921
2922 /* if seeking requested, we execute it */
2923 if (o->start_time != 0) {
2924 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2925 if (ret < 0) {
2926 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
2927 filename, (double)timestamp / AV_TIME_BASE);
2928 }
2929 }
2930
2931 /* update the current parameters so that they match the one of the input stream */
2932 add_input_streams(o, ic);
2933
2934 /* dump the file content */
2935 av_dump_format(ic, nb_input_files, filename, 0);
2936
2937 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
2938 input_files[nb_input_files - 1].ctx = ic;
2939 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
2940 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
2941 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
2942 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
2943
2944 for (i = 0; i < orig_nb_streams; i++)
2945 av_dict_free(&opts[i]);
2946 av_freep(&opts);
2947
2948 reset_options(o);
2949 return 0;
2950 }
2951
2952 static void parse_forced_key_frames(char *kf, OutputStream *ost,
2953 AVCodecContext *avctx)
2954 {
2955 char *p;
2956 int n = 1, i;
2957 int64_t t;
2958
2959 for (p = kf; *p; p++)
2960 if (*p == ',')
2961 n++;
2962 ost->forced_kf_count = n;
2963 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
2964 if (!ost->forced_kf_pts) {
2965 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2966 exit_program(1);
2967 }
2968 for (i = 0; i < n; i++) {
2969 p = i ? strchr(p, ',') + 1 : kf;
2970 t = parse_time_or_die("force_key_frames", p, 1);
2971 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2972 }
2973 }
2974
2975 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
2976 {
2977 OutputStream *ost;
2978 AVStream *st = av_new_stream(oc, oc->nb_streams < o->nb_streamid_map ? o->streamid_map[oc->nb_streams] : 0);
2979 int idx = oc->nb_streams - 1;
2980 int64_t max_frames = INT64_MAX;
2981 char *bsf = NULL, *next, *codec_tag = NULL;
2982 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
2983 double qscale = -1;
2984
2985 if (!st) {
2986 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
2987 exit_program(1);
2988 }
2989
2990 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
2991 nb_output_streams + 1);
2992 ost = &output_streams[nb_output_streams - 1];
2993 ost->file_index = nb_output_files;
2994 ost->index = idx;
2995 ost->st = st;
2996 st->codec->codec_type = type;
2997 ost->enc = choose_codec(o, oc, st, type);
2998 if (ost->enc) {
2999 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3000 }
3001
3002 avcodec_get_context_defaults3(st->codec, ost->enc);
3003 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3004
3005 MATCH_PER_STREAM_OPT(max_frames, i64, max_frames, oc, st);
3006 ost->max_frames = max_frames;
3007
3008 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3009 while (bsf) {
3010 if (next = strchr(bsf, ','))
3011 *next++ = 0;
3012 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3013 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3014 exit_program(1);
3015 }
3016 if (bsfc_prev)
3017 bsfc_prev->next = bsfc;
3018 else
3019 ost->bitstream_filters = bsfc;
3020
3021 bsfc_prev = bsfc;
3022 bsf = next;
3023 }
3024
3025 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3026 if (codec_tag) {
3027 uint32_t tag = strtol(codec_tag, &next, 0);
3028 if (*next)
3029 tag = AV_RL32(codec_tag);
3030 st->codec->codec_tag = tag;
3031 }
3032
3033 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3034 if (qscale >= 0 || same_quant) {
3035 st->codec->flags |= CODEC_FLAG_QSCALE;
3036 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3037 }
3038
3039 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3040 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3041
3042 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3043 return ost;
3044 }
3045
3046 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3047 {
3048 int i;
3049 const char *p = str;
3050 for(i = 0;; i++) {
3051 dest[i] = atoi(p);
3052 if(i == 63)
3053 break;
3054 p = strchr(p, ',');
3055 if(!p) {
3056 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3057 exit_program(1);
3058 }
3059 p++;
3060 }
3061 }
3062
3063 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3064 {
3065 AVStream *st;
3066 OutputStream *ost;
3067 AVCodecContext *video_enc;
3068
3069 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3070 st = ost->st;
3071 video_enc = st->codec;
3072
3073 if (!st->stream_copy) {
3074 const char *p = NULL;
3075 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3076 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3077 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3078 int i, force_fps = 0, top_field_first = -1;
3079
3080 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3081 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3082 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
3083 exit_program(1);
3084 }
3085
3086 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3087 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3088 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
3089 exit_program(1);
3090 }
3091
3092 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3093 if (frame_aspect_ratio)
3094 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3095
3096 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3097 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
3098 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
3099 exit_program(1);
3100 }
3101 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3102
3103 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
3104 if (intra_matrix) {
3105 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
3106 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
3107 exit_program(1);
3108 }
3109 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
3110 }
3111 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
3112 if (inter_matrix) {
3113 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
3114 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
3115 exit_program(1);
3116 }
3117 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
3118 }
3119
3120 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
3121 for(i=0; p; i++){
3122 int start, end, q;
3123 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3124 if(e!=3){
3125 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
3126 exit_program(1);
3127 }
3128 video_enc->rc_override=
3129 av_realloc(video_enc->rc_override,
3130 sizeof(RcOverride)*(i+1));
3131 video_enc->rc_override[i].start_frame= start;
3132 video_enc->rc_override[i].end_frame = end;
3133 if(q>0){
3134 video_enc->rc_override[i].qscale= q;
3135 video_enc->rc_override[i].quality_factor= 1.0;
3136 }
3137 else{
3138 video_enc->rc_override[i].qscale= 0;
3139 video_enc->rc_override[i].quality_factor= -q/100.0;
3140 }
3141 p= strchr(p, '/');
3142 if(p) p++;
3143 }
3144 video_enc->rc_override_count=i;
3145 if (!video_enc->rc_initial_buffer_occupancy)
3146 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3147 video_enc->intra_dc_precision= intra_dc_precision - 8;
3148
3149 /* two pass mode */
3150 if (do_pass) {
3151 if (do_pass == 1) {
3152 video_enc->flags |= CODEC_FLAG_PASS1;
3153 } else {
3154 video_enc->flags |= CODEC_FLAG_PASS2;
3155 }
3156 }
3157
3158