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avconv: move codec tags to options context.
[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 /* indexed by output file stream index */
101 static int *streamid_map = NULL;
102 static int nb_streamid_map = 0;
103
104 static int frame_width = 0;
105 static int frame_height = 0;
106 static float frame_aspect_ratio = 0;
107 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
108 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
109 static AVRational frame_rate;
110 static float video_qscale = 0;
111 static uint16_t *intra_matrix = NULL;
112 static uint16_t *inter_matrix = NULL;
113 static const char *video_rc_override_string=NULL;
114 static int video_disable = 0;
115 static int video_discard = 0;
116 static char *video_language = NULL;
117 static int same_quant = 0;
118 static int do_deinterlace = 0;
119 static int top_field_first = -1;
120 static int me_threshold = 0;
121 static int intra_dc_precision = 8;
122 static int qp_hist = 0;
123 #if CONFIG_AVFILTER
124 static char *vfilters = NULL;
125 #endif
126
127 static int audio_sample_rate = 0;
128 #define QSCALE_NONE -99999
129 static float audio_qscale = QSCALE_NONE;
130 static int audio_disable = 0;
131 static int audio_channels = 0;
132 static char *audio_language = NULL;
133
134 static int subtitle_disable = 0;
135 static char *subtitle_language = NULL;
136
137 static int data_disable = 0;
138
139 static int file_overwrite = 0;
140 static int do_benchmark = 0;
141 static int do_hex_dump = 0;
142 static int do_pkt_dump = 0;
143 static int do_psnr = 0;
144 static int do_pass = 0;
145 static char *pass_logfilename_prefix = NULL;
146 static int video_sync_method= -1;
147 static int audio_sync_method= 0;
148 static float audio_drift_threshold= 0.1;
149 static int copy_ts= 0;
150 static int copy_tb;
151 static int opt_shortest = 0;
152 static char *vstats_filename;
153 static FILE *vstats_file;
154 static int opt_programid = 0;
155 static int copy_initial_nonkeyframes = 0;
156
157 static int audio_volume = 256;
158
159 static int exit_on_error = 0;
160 static int using_stdin = 0;
161 static int verbose = 1;
162 static int64_t video_size = 0;
163 static int64_t audio_size = 0;
164 static int64_t extra_size = 0;
165 static int nb_frames_dup = 0;
166 static int nb_frames_drop = 0;
167 static int input_sync;
168 static int force_fps = 0;
169 static char *forced_key_frames = NULL;
170
171 static float dts_delta_threshold = 10;
172
173 static uint8_t *audio_buf;
174 static uint8_t *audio_out;
175 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
176
177 static short *samples;
178
179 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
180
181 typedef struct InputStream {
182 int file_index;
183 AVStream *st;
184 int discard; /* true if stream data should be discarded */
185 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
186 AVCodec *dec;
187
188 int64_t start; /* time when read started */
189 int64_t next_pts; /* synthetic pts for cases where pkt.pts
190 is not defined */
191 int64_t pts; /* current pts */
192 PtsCorrectionContext pts_ctx;
193 double ts_scale;
194 int is_start; /* is 1 at the start and after a discontinuity */
195 int showed_multi_packet_warning;
196 AVDictionary *opts;
197 } InputStream;
198
199 typedef struct InputFile {
200 AVFormatContext *ctx;
201 int eof_reached; /* true if eof reached */
202 int ist_index; /* index of first stream in ist_table */
203 int buffer_size; /* current total buffer size */
204 int64_t ts_offset;
205 int nb_streams; /* number of stream that avconv is aware of; may be different
206 from ctx.nb_streams if new streams appear during av_read_frame() */
207 int rate_emu;
208 } InputFile;
209
210 typedef struct OutputStream {
211 int file_index; /* file index */
212 int index; /* stream index in the output file */
213 int source_index; /* InputStream index */
214 AVStream *st; /* stream in the output file */
215 int encoding_needed; /* true if encoding needed for this stream */
216 int frame_number;
217 /* input pts and corresponding output pts
218 for A/V sync */
219 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
220 struct InputStream *sync_ist; /* input stream to sync against */
221 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
222 AVBitStreamFilterContext *bitstream_filters;
223 AVCodec *enc;
224 int64_t max_frames;
225
226 /* video only */
227 int video_resample;
228 AVFrame pict_tmp; /* temporary image for resampling */
229 struct SwsContext *img_resample_ctx; /* for image resampling */
230 int resample_height;
231 int resample_width;
232 int resample_pix_fmt;
233 AVRational frame_rate;
234
235 float frame_aspect_ratio;
236
237 /* forced key frames */
238 int64_t *forced_kf_pts;
239 int forced_kf_count;
240 int forced_kf_index;
241
242 /* audio only */
243 int audio_resample;
244 ReSampleContext *resample; /* for audio resampling */
245 int resample_sample_fmt;
246 int resample_channels;
247 int resample_sample_rate;
248 int reformat_pair;
249 AVAudioConvert *reformat_ctx;
250 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
251 FILE *logfile;
252
253 #if CONFIG_AVFILTER
254 AVFilterContext *output_video_filter;
255 AVFilterContext *input_video_filter;
256 AVFilterBufferRef *picref;
257 char *avfilter;
258 AVFilterGraph *graph;
259 #endif
260
261 int sws_flags;
262 AVDictionary *opts;
263 int is_past_recording_time;
264 } OutputStream;
265
266
267 typedef struct OutputFile {
268 AVFormatContext *ctx;
269 AVDictionary *opts;
270 int ost_index; /* index of the first stream in output_streams */
271 int64_t recording_time; /* desired length of the resulting file in microseconds */
272 int64_t start_time; /* start time in microseconds */
273 uint64_t limit_filesize;
274 } OutputFile;
275
276 static InputStream *input_streams = NULL;
277 static int nb_input_streams = 0;
278 static InputFile *input_files = NULL;
279 static int nb_input_files = 0;
280
281 static OutputStream *output_streams = NULL;
282 static int nb_output_streams = 0;
283 static OutputFile *output_files = NULL;
284 static int nb_output_files = 0;
285
286 typedef struct OptionsContext {
287 /* input/output options */
288 int64_t start_time;
289 const char *format;
290
291 SpecifierOpt *codec_names;
292 int nb_codec_names;
293
294 /* input options */
295 int64_t input_ts_offset;
296 int rate_emu;
297
298 SpecifierOpt *ts_scale;
299 int nb_ts_scale;
300
301 /* output options */
302 StreamMap *stream_maps;
303 int nb_stream_maps;
304 /* first item specifies output metadata, second is input */
305 MetadataMap (*meta_data_maps)[2];
306 int nb_meta_data_maps;
307 int metadata_global_manual;
308 int metadata_streams_manual;
309 int metadata_chapters_manual;
310
311 int chapters_input_file;
312
313 int64_t recording_time;
314 uint64_t limit_filesize;
315 float mux_preload;
316 float mux_max_delay;
317
318 SpecifierOpt *metadata;
319 int nb_metadata;
320 SpecifierOpt *max_frames;
321 int nb_max_frames;
322 SpecifierOpt *bitstream_filters;
323 int nb_bitstream_filters;
324 SpecifierOpt *codec_tags;
325 int nb_codec_tags;
326 } OptionsContext;
327
328 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
329 {\
330 int i, ret;\
331 for (i = 0; i < o->nb_ ## name; i++) {\
332 char *spec = o->name[i].specifier;\
333 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
334 outvar = o->name[i].u.type;\
335 else if (ret < 0)\
336 exit_program(1);\
337 }\
338 }
339
340 static void reset_options(OptionsContext *o)
341 {
342 const OptionDef *po = options;
343
344 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
345 while (po->name) {
346 void *dst = (uint8_t*)o + po->u.off;
347
348 if (po->flags & OPT_SPEC) {
349 SpecifierOpt **so = dst;
350 int i, *count = (int*)(so + 1);
351 for (i = 0; i < *count; i++) {
352 av_freep(&(*so)[i].specifier);
353 if (po->flags & OPT_STRING)
354 av_freep(&(*so)[i].u.str);
355 }
356 av_freep(so);
357 *count = 0;
358 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
359 av_freep(dst);
360 po++;
361 }
362
363 av_freep(&o->stream_maps);
364 av_freep(&o->meta_data_maps);
365
366 memset(o, 0, sizeof(*o));
367
368 o->mux_preload = 0.5;
369 o->mux_max_delay = 0.7;
370 o->recording_time = INT64_MAX;
371 o->limit_filesize = UINT64_MAX;
372 o->chapters_input_file = INT_MAX;
373
374 uninit_opts();
375 init_opts();
376 }
377
378 #if CONFIG_AVFILTER
379
380 static int configure_video_filters(InputStream *ist, OutputStream *ost)
381 {
382 AVFilterContext *last_filter, *filter;
383 /** filter graph containing all filters including input & output */
384 AVCodecContext *codec = ost->st->codec;
385 AVCodecContext *icodec = ist->st->codec;
386 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
387 AVRational sample_aspect_ratio;
388 char args[255];
389 int ret;
390
391 ost->graph = avfilter_graph_alloc();
392
393 if (ist->st->sample_aspect_ratio.num){
394 sample_aspect_ratio = ist->st->sample_aspect_ratio;
395 }else
396 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
397
398 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
399 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
400 sample_aspect_ratio.num, sample_aspect_ratio.den);
401
402 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
403 "src", args, NULL, ost->graph);
404 if (ret < 0)
405 return ret;
406 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
407 "out", NULL, &ffsink_ctx, ost->graph);
408 if (ret < 0)
409 return ret;
410 last_filter = ost->input_video_filter;
411
412 if (codec->width != icodec->width || codec->height != icodec->height) {
413 snprintf(args, 255, "%d:%d:flags=0x%X",
414 codec->width,
415 codec->height,
416 ost->sws_flags);
417 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
418 NULL, args, NULL, ost->graph)) < 0)
419 return ret;
420 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
421 return ret;
422 last_filter = filter;
423 }
424
425 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
426 ost->graph->scale_sws_opts = av_strdup(args);
427
428 if (ost->avfilter) {
429 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
430 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
431
432 outputs->name = av_strdup("in");
433 outputs->filter_ctx = last_filter;
434 outputs->pad_idx = 0;
435 outputs->next = NULL;
436
437 inputs->name = av_strdup("out");
438 inputs->filter_ctx = ost->output_video_filter;
439 inputs->pad_idx = 0;
440 inputs->next = NULL;
441
442 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
443 return ret;
444 av_freep(&ost->avfilter);
445 } else {
446 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
447 return ret;
448 }
449
450 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
451 return ret;
452
453 codec->width = ost->output_video_filter->inputs[0]->w;
454 codec->height = ost->output_video_filter->inputs[0]->h;
455 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
456 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
457 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
458 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
459
460 return 0;
461 }
462 #endif /* CONFIG_AVFILTER */
463
464 static void term_exit(void)
465 {
466 av_log(NULL, AV_LOG_QUIET, "");
467 }
468
469 static volatile int received_sigterm = 0;
470 static volatile int received_nb_signals = 0;
471
472 static void
473 sigterm_handler(int sig)
474 {
475 received_sigterm = sig;
476 received_nb_signals++;
477 term_exit();
478 }
479
480 static void term_init(void)
481 {
482 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
483 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
484 #ifdef SIGXCPU
485 signal(SIGXCPU, sigterm_handler);
486 #endif
487 }
488
489 static int decode_interrupt_cb(void)
490 {
491 return received_nb_signals > 1;
492 }
493
494 void exit_program(int ret)
495 {
496 int i;
497
498 /* close files */
499 for(i=0;i<nb_output_files;i++) {
500 AVFormatContext *s = output_files[i].ctx;
501 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
502 avio_close(s->pb);
503 avformat_free_context(s);
504 av_dict_free(&output_files[i].opts);
505 }
506 for(i=0;i<nb_input_files;i++) {
507 av_close_input_file(input_files[i].ctx);
508 }
509 for (i = 0; i < nb_input_streams; i++)
510 av_dict_free(&input_streams[i].opts);
511
512 av_free(intra_matrix);
513 av_free(inter_matrix);
514
515 if (vstats_file)
516 fclose(vstats_file);
517 av_free(vstats_filename);
518
519 av_freep(&input_streams);
520 av_freep(&input_files);
521 av_freep(&output_streams);
522 av_freep(&output_files);
523
524 uninit_opts();
525 av_free(audio_buf);
526 av_free(audio_out);
527 allocated_audio_buf_size= allocated_audio_out_size= 0;
528 av_free(samples);
529
530 #if CONFIG_AVFILTER
531 avfilter_uninit();
532 #endif
533
534 if (received_sigterm) {
535 fprintf(stderr,
536 "Received signal %d: terminating.\n",
537 (int) received_sigterm);
538 exit (255);
539 }
540
541 exit(ret); /* not all OS-es handle main() return value */
542 }
543
544 static void assert_avoptions(AVDictionary *m)
545 {
546 AVDictionaryEntry *t;
547 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
548 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
549 exit_program(1);
550 }
551 }
552
553 static void assert_codec_experimental(AVCodecContext *c, int encoder)
554 {
555 const char *codec_string = encoder ? "encoder" : "decoder";
556 AVCodec *codec;
557 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
558 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
559 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
560 "results.\nAdd '-strict experimental' if you want to use it.\n",
561 codec_string, c->codec->name);
562 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
563 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
564 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
565 codec_string, codec->name);
566 exit_program(1);
567 }
568 }
569
570 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
571 {
572 if(codec && codec->sample_fmts){
573 const enum AVSampleFormat *p= codec->sample_fmts;
574 for(; *p!=-1; p++){
575 if(*p == st->codec->sample_fmt)
576 break;
577 }
578 if (*p == -1) {
579 av_log(NULL, AV_LOG_WARNING,
580 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
581 av_get_sample_fmt_name(st->codec->sample_fmt),
582 codec->name,
583 av_get_sample_fmt_name(codec->sample_fmts[0]));
584 st->codec->sample_fmt = codec->sample_fmts[0];
585 }
586 }
587 }
588
589 /**
590 * Update the requested input sample format based on the output sample format.
591 * This is currently only used to request float output from decoders which
592 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
593 * Ideally this will be removed in the future when decoders do not do format
594 * conversion and only output in their native format.
595 */
596 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
597 AVCodecContext *enc)
598 {
599 /* if sample formats match or a decoder sample format has already been
600 requested, just return */
601 if (enc->sample_fmt == dec->sample_fmt ||
602 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
603 return;
604
605 /* if decoder supports more than one output format */
606 if (dec_codec && dec_codec->sample_fmts &&
607 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
608 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
609 const enum AVSampleFormat *p;
610 int min_dec = -1, min_inc = -1;
611
612 /* find a matching sample format in the encoder */
613 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
614 if (*p == enc->sample_fmt) {
615 dec->request_sample_fmt = *p;
616 return;
617 } else if (*p > enc->sample_fmt) {
618 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
619 } else
620 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
621 }
622
623 /* if none match, provide the one that matches quality closest */
624 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
625 enc->sample_fmt - min_dec;
626 }
627 }
628
629 static void choose_sample_rate(AVStream *st, AVCodec *codec)
630 {
631 if(codec && codec->supported_samplerates){
632 const int *p= codec->supported_samplerates;
633 int best=0;
634 int best_dist=INT_MAX;
635 for(; *p; p++){
636 int dist= abs(st->codec->sample_rate - *p);
637 if(dist < best_dist){
638 best_dist= dist;
639 best= *p;
640 }
641 }
642 if(best_dist){
643 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
644 }
645 st->codec->sample_rate= best;
646 }
647 }
648
649 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
650 {
651 if(codec && codec->pix_fmts){
652 const enum PixelFormat *p= codec->pix_fmts;
653 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
654 if(st->codec->codec_id==CODEC_ID_MJPEG){
655 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
656 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
657 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};
658 }
659 }
660 for(; *p!=-1; p++){
661 if(*p == st->codec->pix_fmt)
662 break;
663 }
664 if (*p == -1) {
665 if(st->codec->pix_fmt != PIX_FMT_NONE)
666 av_log(NULL, AV_LOG_WARNING,
667 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
668 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
669 codec->name,
670 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
671 st->codec->pix_fmt = codec->pix_fmts[0];
672 }
673 }
674 }
675
676 static double
677 get_sync_ipts(const OutputStream *ost)
678 {
679 const InputStream *ist = ost->sync_ist;
680 OutputFile *of = &output_files[ost->file_index];
681 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
682 }
683
684 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
685 int ret;
686
687 while(bsfc){
688 AVPacket new_pkt= *pkt;
689 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
690 &new_pkt.data, &new_pkt.size,
691 pkt->data, pkt->size,
692 pkt->flags & AV_PKT_FLAG_KEY);
693 if(a>0){
694 av_free_packet(pkt);
695 new_pkt.destruct= av_destruct_packet;
696 } else if(a<0){
697 fprintf(stderr, "%s failed for stream %d, codec %s",
698 bsfc->filter->name, pkt->stream_index,
699 avctx->codec ? avctx->codec->name : "copy");
700 print_error("", a);
701 if (exit_on_error)
702 exit_program(1);
703 }
704 *pkt= new_pkt;
705
706 bsfc= bsfc->next;
707 }
708
709 ret= av_interleaved_write_frame(s, pkt);
710 if(ret < 0){
711 print_error("av_interleaved_write_frame()", ret);
712 exit_program(1);
713 }
714 }
715
716 static void do_audio_out(AVFormatContext *s,
717 OutputStream *ost,
718 InputStream *ist,
719 unsigned char *buf, int size)
720 {
721 uint8_t *buftmp;
722 int64_t audio_out_size, audio_buf_size;
723 int64_t allocated_for_size= size;
724
725 int size_out, frame_bytes, ret, resample_changed;
726 AVCodecContext *enc= ost->st->codec;
727 AVCodecContext *dec= ist->st->codec;
728 int osize = av_get_bytes_per_sample(enc->sample_fmt);
729 int isize = av_get_bytes_per_sample(dec->sample_fmt);
730 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
731
732 need_realloc:
733 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
734 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
735 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
736 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
737 audio_buf_size*= osize*enc->channels;
738
739 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
740 if(coded_bps > 8*osize)
741 audio_out_size= audio_out_size * coded_bps / (8*osize);
742 audio_out_size += FF_MIN_BUFFER_SIZE;
743
744 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
745 fprintf(stderr, "Buffer sizes too large\n");
746 exit_program(1);
747 }
748
749 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
750 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
751 if (!audio_buf || !audio_out){
752 fprintf(stderr, "Out of memory in do_audio_out\n");
753 exit_program(1);
754 }
755
756 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
757 ost->audio_resample = 1;
758
759 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
760 ost->resample_channels != dec->channels ||
761 ost->resample_sample_rate != dec->sample_rate;
762
763 if ((ost->audio_resample && !ost->resample) || resample_changed) {
764 if (resample_changed) {
765 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",
766 ist->file_index, ist->st->index,
767 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
768 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
769 ost->resample_sample_fmt = dec->sample_fmt;
770 ost->resample_channels = dec->channels;
771 ost->resample_sample_rate = dec->sample_rate;
772 if (ost->resample)
773 audio_resample_close(ost->resample);
774 }
775 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
776 if (audio_sync_method <= 1 &&
777 ost->resample_sample_fmt == enc->sample_fmt &&
778 ost->resample_channels == enc->channels &&
779 ost->resample_sample_rate == enc->sample_rate) {
780 ost->resample = NULL;
781 ost->audio_resample = 0;
782 } else if (ost->audio_resample) {
783 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
784 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
785 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
786 enc->sample_rate, dec->sample_rate,
787 enc->sample_fmt, dec->sample_fmt,
788 16, 10, 0, 0.8);
789 if (!ost->resample) {
790 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
791 dec->channels, dec->sample_rate,
792 enc->channels, enc->sample_rate);
793 exit_program(1);
794 }
795 }
796 }
797
798 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
799 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
800 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
801 if (ost->reformat_ctx)
802 av_audio_convert_free(ost->reformat_ctx);
803 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
804 dec->sample_fmt, 1, NULL, 0);
805 if (!ost->reformat_ctx) {
806 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
807 av_get_sample_fmt_name(dec->sample_fmt),
808 av_get_sample_fmt_name(enc->sample_fmt));
809 exit_program(1);
810 }
811 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
812 }
813
814 if(audio_sync_method){
815 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
816 - av_fifo_size(ost->fifo)/(enc->channels * 2);
817 double idelta= delta*dec->sample_rate / enc->sample_rate;
818 int byte_delta= ((int)idelta)*2*dec->channels;
819
820 //FIXME resample delay
821 if(fabs(delta) > 50){
822 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
823 if(byte_delta < 0){
824 byte_delta= FFMAX(byte_delta, -size);
825 size += byte_delta;
826 buf -= byte_delta;
827 if(verbose > 2)
828 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
829 if(!size)
830 return;
831 ist->is_start=0;
832 }else{
833 static uint8_t *input_tmp= NULL;
834 input_tmp= av_realloc(input_tmp, byte_delta + size);
835
836 if(byte_delta > allocated_for_size - size){
837 allocated_for_size= byte_delta + (int64_t)size;
838 goto need_realloc;
839 }
840 ist->is_start=0;
841
842 memset(input_tmp, 0, byte_delta);
843 memcpy(input_tmp + byte_delta, buf, size);
844 buf= input_tmp;
845 size += byte_delta;
846 if(verbose > 2)
847 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
848 }
849 }else if(audio_sync_method>1){
850 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
851 av_assert0(ost->audio_resample);
852 if(verbose > 2)
853 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
854 // 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));
855 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
856 }
857 }
858 }else
859 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
860 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
861
862 if (ost->audio_resample) {
863 buftmp = audio_buf;
864 size_out = audio_resample(ost->resample,
865 (short *)buftmp, (short *)buf,
866 size / (dec->channels * isize));
867 size_out = size_out * enc->channels * osize;
868 } else {
869 buftmp = buf;
870 size_out = size;
871 }
872
873 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
874 const void *ibuf[6]= {buftmp};
875 void *obuf[6]= {audio_buf};
876 int istride[6]= {isize};
877 int ostride[6]= {osize};
878 int len= size_out/istride[0];
879 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
880 printf("av_audio_convert() failed\n");
881 if (exit_on_error)
882 exit_program(1);
883 return;
884 }
885 buftmp = audio_buf;
886 size_out = len*osize;
887 }
888
889 /* now encode as many frames as possible */
890 if (enc->frame_size > 1) {
891 /* output resampled raw samples */
892 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
893 fprintf(stderr, "av_fifo_realloc2() failed\n");
894 exit_program(1);
895 }
896 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
897
898 frame_bytes = enc->frame_size * osize * enc->channels;
899
900 while (av_fifo_size(ost->fifo) >= frame_bytes) {
901 AVPacket pkt;
902 av_init_packet(&pkt);
903
904 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
905
906 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
907
908 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
909 (short *)audio_buf);
910 if (ret < 0) {
911 fprintf(stderr, "Audio encoding failed\n");
912 exit_program(1);
913 }
914 audio_size += ret;
915 pkt.stream_index= ost->index;
916 pkt.data= audio_out;
917 pkt.size= ret;
918 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
919 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
920 pkt.flags |= AV_PKT_FLAG_KEY;
921 write_frame(s, &pkt, enc, ost->bitstream_filters);
922
923 ost->sync_opts += enc->frame_size;
924 }
925 } else {
926 AVPacket pkt;
927 av_init_packet(&pkt);
928
929 ost->sync_opts += size_out / (osize * enc->channels);
930
931 /* output a pcm frame */
932 /* determine the size of the coded buffer */
933 size_out /= osize;
934 if (coded_bps)
935 size_out = size_out*coded_bps/8;
936
937 if(size_out > audio_out_size){
938 fprintf(stderr, "Internal error, buffer size too small\n");
939 exit_program(1);
940 }
941
942 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
943 ret = avcodec_encode_audio(enc, audio_out, size_out,
944 (short *)buftmp);
945 if (ret < 0) {
946 fprintf(stderr, "Audio encoding failed\n");
947 exit_program(1);
948 }
949 audio_size += ret;
950 pkt.stream_index= ost->index;
951 pkt.data= audio_out;
952 pkt.size= ret;
953 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
954 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
955 pkt.flags |= AV_PKT_FLAG_KEY;
956 write_frame(s, &pkt, enc, ost->bitstream_filters);
957 }
958 }
959
960 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
961 {
962 AVCodecContext *dec;
963 AVPicture *picture2;
964 AVPicture picture_tmp;
965 uint8_t *buf = 0;
966
967 dec = ist->st->codec;
968
969 /* deinterlace : must be done before any resize */
970 if (do_deinterlace) {
971 int size;
972
973 /* create temporary picture */
974 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
975 buf = av_malloc(size);
976 if (!buf)
977 return;
978
979 picture2 = &picture_tmp;
980 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
981
982 if(avpicture_deinterlace(picture2, picture,
983 dec->pix_fmt, dec->width, dec->height) < 0) {
984 /* if error, do not deinterlace */
985 fprintf(stderr, "Deinterlacing failed\n");
986 av_free(buf);
987 buf = NULL;
988 picture2 = picture;
989 }
990 } else {
991 picture2 = picture;
992 }
993
994 if (picture != picture2)
995 *picture = *picture2;
996 *bufp = buf;
997 }
998
999 static void do_subtitle_out(AVFormatContext *s,
1000 OutputStream *ost,
1001 InputStream *ist,
1002 AVSubtitle *sub,
1003 int64_t pts)
1004 {
1005 static uint8_t *subtitle_out = NULL;
1006 int subtitle_out_max_size = 1024 * 1024;
1007 int subtitle_out_size, nb, i;
1008 AVCodecContext *enc;
1009 AVPacket pkt;
1010
1011 if (pts == AV_NOPTS_VALUE) {
1012 fprintf(stderr, "Subtitle packets must have a pts\n");
1013 if (exit_on_error)
1014 exit_program(1);
1015 return;
1016 }
1017
1018 enc = ost->st->codec;
1019
1020 if (!subtitle_out) {
1021 subtitle_out = av_malloc(subtitle_out_max_size);
1022 }
1023
1024 /* Note: DVB subtitle need one packet to draw them and one other
1025 packet to clear them */
1026 /* XXX: signal it in the codec context ? */
1027 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1028 nb = 2;
1029 else
1030 nb = 1;
1031
1032 for(i = 0; i < nb; i++) {
1033 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1034 // start_display_time is required to be 0
1035 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1036 sub->end_display_time -= sub->start_display_time;
1037 sub->start_display_time = 0;
1038 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1039 subtitle_out_max_size, sub);
1040 if (subtitle_out_size < 0) {
1041 fprintf(stderr, "Subtitle encoding failed\n");
1042 exit_program(1);
1043 }
1044
1045 av_init_packet(&pkt);
1046 pkt.stream_index = ost->index;
1047 pkt.data = subtitle_out;
1048 pkt.size = subtitle_out_size;
1049 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1050 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1051 /* XXX: the pts correction is handled here. Maybe handling
1052 it in the codec would be better */
1053 if (i == 0)
1054 pkt.pts += 90 * sub->start_display_time;
1055 else
1056 pkt.pts += 90 * sub->end_display_time;
1057 }
1058 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1059 }
1060 }
1061
1062 static int bit_buffer_size= 1024*256;
1063 static uint8_t *bit_buffer= NULL;
1064
1065 static void do_video_resample(OutputStream *ost,
1066 InputStream *ist,
1067 AVFrame *in_picture,
1068 AVFrame **out_picture)
1069 {
1070 int resample_changed = 0;
1071 AVCodecContext *dec = ist->st->codec;
1072 *out_picture = in_picture;
1073
1074 resample_changed = ost->resample_width != dec->width ||
1075 ost->resample_height != dec->height ||
1076 ost->resample_pix_fmt != dec->pix_fmt;
1077
1078 if (resample_changed) {
1079 av_log(NULL, AV_LOG_INFO,
1080 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1081 ist->file_index, ist->st->index,
1082 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1083 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1084 if(!ost->video_resample)
1085 ost->video_resample = 1;
1086 }
1087
1088 #if !CONFIG_AVFILTER
1089 if (ost->video_resample) {
1090 *out_picture = &ost->pict_tmp;
1091 if (resample_changed) {
1092 /* initialize a new scaler context */
1093 sws_freeContext(ost->img_resample_ctx);
1094 ost->img_resample_ctx = sws_getContext(
1095 ist->st->codec->width,
1096 ist->st->codec->height,
1097 ist->st->codec->pix_fmt,
1098 ost->st->codec->width,
1099 ost->st->codec->height,
1100 ost->st->codec->pix_fmt,
1101 ost->sws_flags, NULL, NULL, NULL);
1102 if (ost->img_resample_ctx == NULL) {
1103 fprintf(stderr, "Cannot get resampling context\n");
1104 exit_program(1);
1105 }
1106 }
1107 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1108 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1109 }
1110 #else
1111 if (resample_changed) {
1112 avfilter_graph_free(&ost->graph);
1113 if (configure_video_filters(ist, ost)) {
1114 fprintf(stderr, "Error reinitializing filters!\n");
1115 exit_program(1);
1116 }
1117 }
1118 #endif
1119 if (resample_changed) {
1120 ost->resample_width = dec->width;
1121 ost->resample_height = dec->height;
1122 ost->resample_pix_fmt = dec->pix_fmt;
1123 }
1124 }
1125
1126
1127 static void do_video_out(AVFormatContext *s,
1128 OutputStream *ost,
1129 InputStream *ist,
1130 AVFrame *in_picture,
1131 int *frame_size, float quality)
1132 {
1133 int nb_frames, i, ret, format_video_sync;
1134 AVFrame *final_picture;
1135 AVCodecContext *enc;
1136 double sync_ipts;
1137
1138 enc = ost->st->codec;
1139
1140 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1141
1142 /* by default, we output a single frame */
1143 nb_frames = 1;
1144
1145 *frame_size = 0;
1146
1147 format_video_sync = video_sync_method;
1148 if (format_video_sync < 0)
1149 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1150
1151 if (format_video_sync) {
1152 double vdelta = sync_ipts - ost->sync_opts;
1153 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1154 if (vdelta < -1.1)
1155 nb_frames = 0;
1156 else if (format_video_sync == 2) {
1157 if(vdelta<=-0.6){
1158 nb_frames=0;
1159 }else if(vdelta>0.6)
1160 ost->sync_opts= lrintf(sync_ipts);
1161 }else if (vdelta > 1.1)
1162 nb_frames = lrintf(vdelta);
1163 //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);
1164 if (nb_frames == 0){
1165 ++nb_frames_drop;
1166 if (verbose>2)
1167 fprintf(stderr, "*** drop!\n");
1168 }else if (nb_frames > 1) {
1169 nb_frames_dup += nb_frames - 1;
1170 if (verbose>2)
1171 fprintf(stderr, "*** %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(top_field_first == -1)
1209 big_picture.top_field_first = in_picture->top_field_first;
1210 else
1211 big_picture.top_field_first = 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(!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 fprintf(stderr, "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 (!is_last_report) {
1319 int64_t cur_time;
1320 /* display the report every 0.5 seconds */
1321 cur_time = av_gettime();
1322 if (last_time == -1) {
1323 last_time = cur_time;
1324 return;
1325 }
1326 if ((cur_time - last_time) < 500000)
1327 return;
1328 last_time = cur_time;
1329 }
1330
1331
1332 oc = output_files[0].ctx;
1333
1334 total_size = avio_size(oc->pb);
1335 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1336 total_size= avio_tell(oc->pb);
1337
1338 buf[0] = '\0';
1339 ti1 = 1e10;
1340 vid = 0;
1341 for(i=0;i<nb_ostreams;i++) {
1342 float q = -1;
1343 ost = &ost_table[i];
1344 enc = ost->st->codec;
1345 if (!ost->st->stream_copy && enc->coded_frame)
1346 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1347 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1348 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1349 }
1350 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1351 float t = (av_gettime()-timer_start) / 1000000.0;
1352
1353 frame_number = ost->frame_number;
1354 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1355 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1356 if(is_last_report)
1357 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1358 if(qp_hist){
1359 int j;
1360 int qp = lrintf(q);
1361 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1362 qp_histogram[qp]++;
1363 for(j=0; j<32; j++)
1364 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1365 }
1366 if (enc->flags&CODEC_FLAG_PSNR){
1367 int j;
1368 double error, error_sum=0;
1369 double scale, scale_sum=0;
1370 char type[3]= {'Y','U','V'};
1371 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1372 for(j=0; j<3; j++){
1373 if(is_last_report){
1374 error= enc->error[j];
1375 scale= enc->width*enc->height*255.0*255.0*frame_number;
1376 }else{
1377 error= enc->coded_frame->error[j];
1378 scale= enc->width*enc->height*255.0*255.0;
1379 }
1380 if(j) scale/=4;
1381 error_sum += error;
1382 scale_sum += scale;
1383 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1384 }
1385 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1386 }
1387 vid = 1;
1388 }
1389 /* compute min output value */
1390 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1391 if ((pts < ti1) && (pts > 0))
1392 ti1 = pts;
1393 }
1394 if (ti1 < 0.01)
1395 ti1 = 0.01;
1396
1397 if (verbose > 0 || is_last_report) {
1398 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1399
1400 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1401 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1402 (double)total_size / 1024, ti1, bitrate);
1403
1404 if (nb_frames_dup || nb_frames_drop)
1405 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1406 nb_frames_dup, nb_frames_drop);
1407
1408 if (verbose >= 0)
1409 fprintf(stderr, "%s \r", buf);
1410
1411 fflush(stderr);
1412 }
1413
1414 if (is_last_report && verbose >= 0){
1415 int64_t raw= audio_size + video_size + extra_size;
1416 fprintf(stderr, "\n");
1417 fprintf(stderr, "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 fprintf(stderr, "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 fprintf(stderr, "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, i;
1527 int got_output;
1528 AVFrame picture;
1529 void *buffer_to_free = NULL;
1530 static unsigned int samples_size= 0;
1531 AVSubtitle subtitle, *subtitle_to_free;
1532 int64_t pkt_pts = AV_NOPTS_VALUE;
1533 #if CONFIG_AVFILTER
1534 int frame_available;
1535 #endif
1536 float quality;
1537
1538 AVPacket avpkt;
1539 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1540
1541 if(ist->next_pts == AV_NOPTS_VALUE)
1542 ist->next_pts= ist->pts;
1543
1544 if (pkt == NULL) {
1545 /* EOF handling */
1546 av_init_packet(&avpkt);
1547 avpkt.data = NULL;
1548 avpkt.size = 0;
1549 goto handle_eof;
1550 } else {
1551 avpkt = *pkt;
1552 }
1553
1554 if(pkt->dts != AV_NOPTS_VALUE)
1555 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1556 if(pkt->pts != AV_NOPTS_VALUE)
1557 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1558
1559 //while we have more to decode or while the decoder did output something on EOF
1560 while (avpkt.size > 0 || (!pkt && got_output)) {
1561 uint8_t *data_buf, *decoded_data_buf;
1562 int data_size, decoded_data_size;
1563 handle_eof:
1564 ist->pts= ist->next_pts;
1565
1566 if(avpkt.size && avpkt.size != pkt->size &&
1567 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1568 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1569 ist->showed_multi_packet_warning=1;
1570 }
1571
1572 /* decode the packet if needed */
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*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1582 samples_size = FFMAX(pkt->size*sizeof(*samples), 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 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1609 /* XXX: allocate picture correctly */
1610 avcodec_get_frame_defaults(&picture);
1611 avpkt.pts = pkt_pts;
1612 avpkt.dts = ist->pts;
1613 pkt_pts = AV_NOPTS_VALUE;
1614
1615 ret = avcodec_decode_video2(ist->st->codec,
1616 &picture, &got_output, &avpkt);
1617 quality = same_quant ? picture.quality : 0;
1618 if (ret < 0)
1619 return ret;
1620 if (!got_output) {
1621 /* no picture yet */
1622 goto discard_packet;
1623 }
1624 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1625 if (ist->st->codec->time_base.num != 0) {
1626 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1627 ist->next_pts += ((int64_t)AV_TIME_BASE *
1628 ist->st->codec->time_base.num * ticks) /
1629 ist->st->codec->time_base.den;
1630 }
1631 avpkt.size = 0;
1632 buffer_to_free = NULL;
1633 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1634 break;
1635 case AVMEDIA_TYPE_SUBTITLE:
1636 ret = avcodec_decode_subtitle2(ist->st->codec,
1637 &subtitle, &got_output, &avpkt);
1638 if (ret < 0)
1639 return ret;
1640 if (!got_output) {
1641 goto discard_packet;
1642 }
1643 subtitle_to_free = &subtitle;
1644 avpkt.size = 0;
1645 break;
1646 default:
1647 return -1;
1648 }
1649 } else {
1650 switch(ist->st->codec->codec_type) {
1651 case AVMEDIA_TYPE_AUDIO:
1652 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1653 ist->st->codec->sample_rate;
1654 break;
1655 case AVMEDIA_TYPE_VIDEO:
1656 if (ist->st->codec->time_base.num != 0) {
1657 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1658 ist->next_pts += ((int64_t)AV_TIME_BASE *
1659 ist->st->codec->time_base.num * ticks) /
1660 ist->st->codec->time_base.den;
1661 }
1662 break;
1663 }
1664 avpkt.size = 0;
1665 }
1666
1667 // preprocess audio (volume)
1668 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1669 if (audio_volume != 256) {
1670 short *volp;
1671 volp = samples;
1672 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1673 int v = ((*volp) * audio_volume + 128) >> 8;
1674 *volp++ = av_clip_int16(v);
1675 }
1676 }
1677 }
1678
1679 /* frame rate emulation */
1680 if (input_files[ist->file_index].rate_emu) {
1681 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1682 int64_t now = av_gettime() - ist->start;
1683 if (pts > now)
1684 usleep(pts - now);
1685 }
1686 /* if output time reached then transcode raw format,
1687 encode packets and output them */
1688 for (i = 0; i < nb_ostreams; i++) {
1689 OutputFile *of = &output_files[ost_table[i].file_index];
1690 int frame_size;
1691
1692 ost = &ost_table[i];
1693 if (ost->source_index != ist_index)
1694 continue;
1695
1696 if (of->start_time && ist->pts < of->start_time)
1697 continue;
1698
1699 if (of->recording_time != INT64_MAX &&
1700 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1701 (AVRational){1, 1000000}) >= 0) {
1702 ost->is_past_recording_time = 1;
1703 continue;
1704 }
1705
1706 #if CONFIG_AVFILTER
1707 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1708 ost->input_video_filter) {
1709 AVRational sar;
1710 if (ist->st->sample_aspect_ratio.num)
1711 sar = ist->st->sample_aspect_ratio;
1712 else
1713 sar = ist->st->codec->sample_aspect_ratio;
1714 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, ist->pts, sar);
1715 }
1716 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1717 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1718 while (frame_available) {
1719 AVRational ist_pts_tb;
1720 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1721 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1722 if (ost->picref)
1723 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1724 #endif
1725 os = output_files[ost->file_index].ctx;
1726
1727 /* set the input output pts pairs */
1728 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1729
1730 if (ost->encoding_needed) {
1731 av_assert0(ist->decoding_needed);
1732 switch(ost->st->codec->codec_type) {
1733 case AVMEDIA_TYPE_AUDIO:
1734 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1735 break;
1736 case AVMEDIA_TYPE_VIDEO:
1737 #if CONFIG_AVFILTER
1738 if (ost->picref->video && !ost->frame_aspect_ratio)
1739 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1740 #endif
1741 do_video_out(os, ost, ist, &picture, &frame_size,
1742 same_quant ? quality : ost->st->codec->global_quality);
1743 if (vstats_filename && frame_size)
1744 do_video_stats(os, ost, frame_size);
1745 break;
1746 case AVMEDIA_TYPE_SUBTITLE:
1747 do_subtitle_out(os, ost, ist, &subtitle,
1748 pkt->pts);
1749 break;
1750 default:
1751 abort();
1752 }
1753 } else {
1754 AVFrame avframe; //FIXME/XXX remove this
1755 AVPacket opkt;
1756 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1757
1758 av_init_packet(&opkt);
1759
1760 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1761 #if !CONFIG_AVFILTER
1762 continue;
1763 #else
1764 goto cont;
1765 #endif
1766
1767 /* no reencoding needed : output the packet directly */
1768 /* force the input stream PTS */
1769
1770 avcodec_get_frame_defaults(&avframe);
1771 ost->st->codec->coded_frame= &avframe;
1772 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1773
1774 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1775 audio_size += data_size;
1776 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1777 video_size += data_size;
1778 ost->sync_opts++;
1779 }
1780
1781 opkt.stream_index= ost->index;
1782 if(pkt->pts != AV_NOPTS_VALUE)
1783 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1784 else
1785 opkt.pts= AV_NOPTS_VALUE;
1786
1787 if (pkt->dts == AV_NOPTS_VALUE)
1788 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1789 else
1790 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1791 opkt.dts -= ost_tb_start_time;
1792
1793 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1794 opkt.flags= pkt->flags;
1795
1796 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1797 if( ost->st->codec->codec_id != CODEC_ID_H264
1798 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1799 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1800 ) {
1801 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1802 opkt.destruct= av_destruct_packet;
1803 } else {
1804 opkt.data = data_buf;
1805 opkt.size = data_size;
1806 }
1807
1808 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1809 ost->st->codec->frame_number++;
1810 ost->frame_number++;
1811 av_free_packet(&opkt);
1812 }
1813 #if CONFIG_AVFILTER
1814 cont:
1815 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1816 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1817 if (ost->picref)
1818 avfilter_unref_buffer(ost->picref);
1819 }
1820 #endif
1821 }
1822
1823 av_free(buffer_to_free);
1824 /* XXX: allocate the subtitles in the codec ? */
1825 if (subtitle_to_free) {
1826 avsubtitle_free(subtitle_to_free);
1827 subtitle_to_free = NULL;
1828 }
1829 }
1830 discard_packet:
1831
1832 return 0;
1833 }
1834
1835 static void print_sdp(OutputFile *output_files, int n)
1836 {
1837 char sdp[2048];
1838 int i;
1839 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1840
1841 if (!avc)
1842 exit_program(1);
1843 for (i = 0; i < n; i++)
1844 avc[i] = output_files[i].ctx;
1845
1846 av_sdp_create(avc, n, sdp, sizeof(sdp));
1847 printf("SDP:\n%s\n", sdp);
1848 fflush(stdout);
1849 av_freep(&avc);
1850 }
1851
1852 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1853 char *error, int error_len)
1854 {
1855 int i;
1856 InputStream *ist = &input_streams[ist_index];
1857 if (ist->decoding_needed) {
1858 AVCodec *codec = ist->dec;
1859 if (!codec) {
1860 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d.%d",
1861 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1862 return AVERROR(EINVAL);
1863 }
1864
1865 /* update requested sample format for the decoder based on the
1866 corresponding encoder sample format */
1867 for (i = 0; i < nb_output_streams; i++) {
1868 OutputStream *ost = &output_streams[i];
1869 if (ost->source_index == ist_index) {
1870 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1871 break;
1872 }
1873 }
1874
1875 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1876 snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
1877 ist->file_index, ist->st->index);
1878 return AVERROR(EINVAL);
1879 }
1880 assert_codec_experimental(ist->st->codec, 0);
1881 assert_avoptions(ist->opts);
1882 }
1883
1884 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;
1885 ist->next_pts = AV_NOPTS_VALUE;
1886 init_pts_correction(&ist->pts_ctx);
1887 ist->is_start = 1;
1888
1889 return 0;
1890 }
1891
1892 static int transcode_init(OutputFile *output_files,
1893 int nb_output_files,
1894 InputFile *input_files,
1895 int nb_input_files)
1896 {
1897 int ret = 0, i, j;
1898 AVFormatContext *os;
1899 AVCodecContext *codec, *icodec;
1900 OutputStream *ost;
1901 InputStream *ist;
1902 char error[1024];
1903 int want_sdp = 1;
1904
1905 /* init framerate emulation */
1906 for (i = 0; i < nb_input_files; i++) {
1907 InputFile *ifile = &input_files[i];
1908 if (ifile->rate_emu)
1909 for (j = 0; j < ifile->nb_streams; j++)
1910 input_streams[j + ifile->ist_index].start = av_gettime();
1911 }
1912
1913 /* output stream init */
1914 for(i=0;i<nb_output_files;i++) {
1915 os = output_files[i].ctx;
1916 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1917 av_dump_format(os, i, os->filename, 1);
1918 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1919 return AVERROR(EINVAL);
1920 }
1921 }
1922
1923 /* for each output stream, we compute the right encoding parameters */
1924 for (i = 0; i < nb_output_streams; i++) {
1925 ost = &output_streams[i];
1926 os = output_files[ost->file_index].ctx;
1927 ist = &input_streams[ost->source_index];
1928
1929 codec = ost->st->codec;
1930 icodec = ist->st->codec;
1931
1932 ost->st->disposition = ist->st->disposition;
1933 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1934 codec->chroma_sample_location = icodec->chroma_sample_location;
1935
1936 if (ost->st->stream_copy) {
1937 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1938
1939 if (extra_size > INT_MAX) {
1940 return AVERROR(EINVAL);
1941 }
1942
1943 /* if stream_copy is selected, no need to decode or encode */
1944 codec->codec_id = icodec->codec_id;
1945 codec->codec_type = icodec->codec_type;
1946
1947 if(!codec->codec_tag){
1948 if( !os->oformat->codec_tag
1949 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1950 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1951 codec->codec_tag = icodec->codec_tag;
1952 }
1953
1954 codec->bit_rate = icodec->bit_rate;
1955 codec->rc_max_rate = icodec->rc_max_rate;
1956 codec->rc_buffer_size = icodec->rc_buffer_size;
1957 codec->extradata= av_mallocz(extra_size);
1958 if (!codec->extradata) {
1959 return AVERROR(ENOMEM);
1960 }
1961 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1962 codec->extradata_size= icodec->extradata_size;
1963 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){
1964 codec->time_base = icodec->time_base;
1965 codec->time_base.num *= icodec->ticks_per_frame;
1966 av_reduce(&codec->time_base.num, &codec->time_base.den,
1967 codec->time_base.num, codec->time_base.den, INT_MAX);
1968 }else
1969 codec->time_base = ist->st->time_base;
1970 switch(codec->codec_type) {
1971 case AVMEDIA_TYPE_AUDIO:
1972 if(audio_volume != 256) {
1973 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1974 exit_program(1);
1975 }
1976 codec->channel_layout = icodec->channel_layout;
1977 codec->sample_rate = icodec->sample_rate;
1978 codec->channels = icodec->channels;
1979 codec->frame_size = icodec->frame_size;
1980 codec->audio_service_type = icodec->audio_service_type;
1981 codec->block_align= icodec->block_align;
1982 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1983 codec->block_align= 0;
1984 if(codec->codec_id == CODEC_ID_AC3)
1985 codec->block_align= 0;
1986 break;
1987 case AVMEDIA_TYPE_VIDEO:
1988 codec->pix_fmt = icodec->pix_fmt;
1989 codec->width = icodec->width;
1990 codec->height = icodec->height;
1991 codec->has_b_frames = icodec->has_b_frames;
1992 if (!codec->sample_aspect_ratio.num) {
1993 codec->sample_aspect_ratio =
1994 ost->st->sample_aspect_ratio =
1995 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1996 ist->st->codec->sample_aspect_ratio.num ?
1997 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1998 }
1999 break;
2000 case AVMEDIA_TYPE_SUBTITLE:
2001 codec->width = icodec->width;
2002 codec->height = icodec->height;
2003 break;
2004 case AVMEDIA_TYPE_DATA:
2005 break;
2006 default:
2007 abort();
2008 }
2009 } else {
2010 if (!ost->enc)
2011 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2012 switch(codec->codec_type) {
2013 case AVMEDIA_TYPE_AUDIO:
2014 ost->fifo= av_fifo_alloc(1024);
2015 if (!ost->fifo) {
2016 return AVERROR(ENOMEM);
2017 }
2018 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2019 if (!codec->sample_rate) {
2020 codec->sample_rate = icodec->sample_rate;
2021 if (icodec->lowres)
2022 codec->sample_rate >>= icodec->lowres;
2023 }
2024 choose_sample_rate(ost->st, ost->enc);
2025 codec->time_base = (AVRational){1, codec->sample_rate};
2026 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2027 codec->sample_fmt = icodec->sample_fmt;
2028 choose_sample_fmt(ost->st, ost->enc);
2029 if (!codec->channels)
2030 codec->channels = icodec->channels;
2031 codec->channel_layout = icodec->channel_layout;
2032 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2033 codec->channel_layout = 0;
2034 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2035 icodec->request_channels = codec->channels;
2036 ist->decoding_needed = 1;
2037 ost->encoding_needed = 1;
2038 ost->resample_sample_fmt = icodec->sample_fmt;
2039 ost->resample_sample_rate = icodec->sample_rate;
2040 ost->resample_channels = icodec->channels;
2041 break;
2042 case AVMEDIA_TYPE_VIDEO:
2043 if (codec->pix_fmt == PIX_FMT_NONE)
2044 codec->pix_fmt = icodec->pix_fmt;
2045 choose_pixel_fmt(ost->st, ost->enc);
2046
2047 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2048 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2049 exit_program(1);
2050 }
2051
2052 if (!codec->width || !codec->height) {
2053 codec->width = icodec->width;
2054 codec->height = icodec->height;
2055 }
2056
2057 ost->video_resample = codec->width != icodec->width ||
2058 codec->height != icodec->height ||
2059 codec->pix_fmt != icodec->pix_fmt;
2060 if (ost->video_resample) {
2061 #if !CONFIG_AVFILTER
2062 avcodec_get_frame_defaults(&ost->pict_tmp);
2063 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2064 codec->width, codec->height)) {
2065 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2066 exit_program(1);
2067 }
2068 ost->img_resample_ctx = sws_getContext(
2069 icodec->width,
2070 icodec->height,
2071 icodec->pix_fmt,
2072 codec->width,
2073 codec->height,
2074 codec->pix_fmt,
2075 ost->sws_flags, NULL, NULL, NULL);
2076 if (ost->img_resample_ctx == NULL) {
2077 fprintf(stderr, "Cannot get resampling context\n");
2078 exit_program(1);
2079 }
2080 #endif
2081 codec->bits_per_raw_sample= 0;
2082 }
2083
2084 ost->resample_height = icodec->height;
2085 ost->resample_width = icodec->width;
2086 ost->resample_pix_fmt= icodec->pix_fmt;
2087 ost->encoding_needed = 1;
2088 ist->decoding_needed = 1;
2089
2090 if (!ost->frame_rate.num)
2091 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2092 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2093 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2094 ost->frame_rate = ost->enc->supported_framerates[idx];
2095 }
2096 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2097
2098 #if CONFIG_AVFILTER
2099 if (configure_video_filters(ist, ost)) {
2100 fprintf(stderr, "Error opening filters!\n");
2101 exit(1);
2102 }
2103 #endif
2104 break;
2105 case AVMEDIA_TYPE_SUBTITLE:
2106 ost->encoding_needed = 1;
2107 ist->decoding_needed = 1;
2108 break;
2109 default:
2110 abort();
2111 break;
2112 }
2113 /* two pass mode */
2114 if (ost->encoding_needed &&
2115 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2116 char logfilename[1024];
2117 FILE *f;
2118
2119 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2120 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2121 i);
2122 if (codec->flags & CODEC_FLAG_PASS1) {
2123 f = fopen(logfilename, "wb");
2124 if (!f) {
2125 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2126 exit_program(1);
2127 }
2128 ost->logfile = f;
2129 } else {
2130 char *logbuffer;
2131 size_t logbuffer_size;
2132 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2133 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2134 exit_program(1);
2135 }
2136 codec->stats_in = logbuffer;
2137 }
2138 }
2139 }
2140 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2141 int size= codec->width * codec->height;
2142 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2143 }
2144 }
2145
2146 if (!bit_buffer)
2147 bit_buffer = av_malloc(bit_buffer_size);
2148 if (!bit_buffer) {
2149 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2150 bit_buffer_size);
2151 return AVERROR(ENOMEM);
2152 }
2153
2154 /* open each encoder */
2155 for (i = 0; i < nb_output_streams; i++) {
2156 ost = &output_streams[i];
2157 if (ost->encoding_needed) {
2158 AVCodec *codec = ost->enc;
2159 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2160 if (!codec) {
2161 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2162 ost->st->codec->codec_id, ost->file_index, ost->index);
2163 ret = AVERROR(EINVAL);
2164 goto dump_format;
2165 }
2166 if (dec->subtitle_header) {
2167 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2168 if (!ost->st->codec->subtitle_header) {
2169 ret = AVERROR(ENOMEM);
2170 goto dump_format;
2171 }
2172 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2173 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2174 }
2175 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2176 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2177 ost->file_index, ost->index);
2178 ret = AVERROR(EINVAL);
2179 goto dump_format;
2180 }
2181 assert_codec_experimental(ost->st->codec, 1);
2182 assert_avoptions(ost->opts);
2183 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2184 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2185 "It takes bits/s as argument, not kbits/s\n");
2186 extra_size += ost->st->codec->extradata_size;
2187 }
2188 }
2189
2190 /* init input streams */
2191 for (i = 0; i < nb_input_streams; i++)
2192 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2193 goto dump_format;
2194
2195 /* open files and write file headers */
2196 for (i = 0; i < nb_output_files; i++) {
2197 os = output_files[i].ctx;
2198 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2199 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2200 ret = AVERROR(EINVAL);
2201 goto dump_format;
2202 }
2203 assert_avoptions(output_files[i].opts);
2204 if (strcmp(os->oformat->name, "rtp")) {
2205 want_sdp = 0;
2206 }
2207 }
2208
2209 dump_format:
2210 /* dump the file output parameters - cannot be done before in case
2211 of stream copy */
2212 for(i=0;i<nb_output_files;i++) {
2213 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2214 }
2215
2216 /* dump the stream mapping */
2217 if (verbose >= 0) {
2218 fprintf(stderr, "Stream mapping:\n");
2219 for (i = 0; i < nb_output_streams;i ++) {
2220 ost = &output_streams[i];
2221 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2222 input_streams[ost->source_index].file_index,
2223 input_streams[ost->source_index].st->index,
2224 ost->file_index,
2225 ost->index);
2226 if (ost->sync_ist != &input_streams[ost->source_index])
2227 fprintf(stderr, " [sync #%d.%d]",
2228 ost->sync_ist->file_index,
2229 ost->sync_ist->st->index);
2230 if (ost->st->stream_copy)
2231 fprintf(stderr, " (copy)");
2232 else
2233 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2234 input_streams[ost->source_index].dec->name : "?",
2235 ost->enc ? ost->enc->name : "?");
2236 fprintf(stderr, "\n");
2237 }
2238 }
2239
2240 if (ret) {
2241 fprintf(stderr, "%s\n", error);
2242 return ret;
2243 }
2244
2245 if (want_sdp) {
2246 print_sdp(output_files, nb_output_files);
2247 }
2248
2249 return 0;
2250 }
2251
2252 /*
2253 * The following code is the main loop of the file converter
2254 */
2255 static int transcode(OutputFile *output_files,
2256 int nb_output_files,
2257 InputFile *input_files,
2258 int nb_input_files)
2259 {
2260 int ret, i;
2261 AVFormatContext *is, *os;
2262 OutputStream *ost;
2263 InputStream *ist;
2264 uint8_t *no_packet;
2265 int no_packet_count=0;
2266 int64_t timer_start;
2267
2268 if (!(no_packet = av_mallocz(nb_input_files)))
2269 exit_program(1);
2270
2271 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2272 if (ret < 0)
2273 goto fail;
2274
2275 if (verbose >= 0)
2276 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2277 term_init();
2278
2279 timer_start = av_gettime();
2280
2281 for(; received_sigterm == 0;) {
2282 int file_index, ist_index;
2283 AVPacket pkt;
2284 int64_t ipts_min;
2285 double opts_min;
2286
2287 ipts_min = INT64_MAX;
2288 opts_min= 1e100;
2289
2290 /* select the stream that we must read now by looking at the
2291 smallest output pts */
2292 file_index = -1;
2293 for (i = 0; i < nb_output_streams; i++) {
2294 OutputFile *of;
2295 int64_t ipts;
2296 double opts;
2297 ost = &output_streams[i];
2298 of = &output_files[ost->file_index];
2299 os = output_files[ost->file_index].ctx;
2300 ist = &input_streams[ost->source_index];
2301 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2302 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2303 continue;
2304 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2305 ipts = ist->pts;
2306 if (!input_files[ist->file_index].eof_reached){
2307 if(ipts < ipts_min) {
2308 ipts_min = ipts;
2309 if(input_sync ) file_index = ist->file_index;
2310 }
2311 if(opts < opts_min) {
2312 opts_min = opts;
2313 if(!input_sync) file_index = ist->file_index;
2314 }
2315 }
2316 if (ost->frame_number >= ost->max_frames) {
2317 int j;
2318 for (j = of->ost_index; j < of->ctx->nb_streams; j++)
2319 output_streams[j].is_past_recording_time = 1;
2320 continue;
2321 }
2322 }
2323 /* if none, if is finished */
2324 if (file_index < 0) {
2325 if(no_packet_count){
2326 no_packet_count=0;
2327 memset(no_packet, 0, nb_input_files);
2328 usleep(10000);
2329 continue;
2330 }
2331 break;
2332 }
2333
2334 /* read a frame from it and output it in the fifo */
2335 is = input_files[file_index].ctx;
2336 ret= av_read_frame(is, &pkt);
2337 if(ret == AVERROR(EAGAIN)){
2338 no_packet[file_index]=1;
2339 no_packet_count++;
2340 continue;
2341 }
2342 if (ret < 0) {
2343 input_files[file_index].eof_reached = 1;
2344 if (opt_shortest)
2345 break;
2346 else
2347 continue;
2348 }
2349
2350 no_packet_count=0;
2351 memset(no_packet, 0, nb_input_files);
2352
2353 if (do_pkt_dump) {
2354 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2355 is->streams[pkt.stream_index]);
2356 }
2357 /* the following test is needed in case new streams appear
2358 dynamically in stream : we ignore them */
2359 if (pkt.stream_index >= input_files[file_index].nb_streams)
2360 goto discard_packet;
2361 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2362 ist = &input_streams[ist_index];
2363 if (ist->discard)
2364 goto discard_packet;
2365
2366 if (pkt.dts != AV_NOPTS_VALUE)
2367 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2368 if (pkt.pts != AV_NOPTS_VALUE)
2369 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2370
2371 if(pkt.pts != AV_NOPTS_VALUE)
2372 pkt.pts *= ist->ts_scale;
2373 if(pkt.dts != AV_NOPTS_VALUE)
2374 pkt.dts *= ist->ts_scale;
2375
2376 // 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);
2377 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2378 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2379 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2380 int64_t delta= pkt_dts - ist->next_pts;
2381 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2382 input_files[ist->file_index].ts_offset -= delta;
2383 if (verbose > 2)
2384 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2385 delta, input_files[ist->file_index].ts_offset);
2386 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2387 if(pkt.pts != AV_NOPTS_VALUE)
2388 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2389 }
2390 }
2391
2392 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2393 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2394
2395 if (verbose >= 0)
2396 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2397 ist->file_index, ist->st->index);
2398 if (exit_on_error)
2399 exit_program(1);
2400 av_free_packet(&pkt);
2401 continue;
2402 }
2403
2404 discard_packet:
2405 av_free_packet(&pkt);
2406
2407 /* dump report by using the output first video and audio streams */
2408 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2409 }
2410
2411 /* at the end of stream, we must flush the decoder buffers */
2412 for (i = 0; i < nb_input_streams; i++) {
2413 ist = &input_streams[i];
2414 if (ist->decoding_needed) {
2415 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2416 }
2417 }
2418 flush_encoders(output_streams, nb_output_streams);
2419
2420 term_exit();
2421
2422 /* write the trailer if needed and close file */
2423 for(i=0;i<nb_output_files;i++) {
2424 os = output_files[i].ctx;
2425 av_write_trailer(os);
2426 }
2427
2428 /* dump report by using the first video and audio streams */
2429 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2430
2431 /* close each encoder */
2432 for (i = 0; i < nb_output_streams; i++) {
2433 ost = &output_streams[i];
2434 if (ost->encoding_needed) {
2435 av_freep(&ost->st->codec->stats_in);
2436 avcodec_close(ost->st->codec);
2437 }
2438 #if CONFIG_AVFILTER
2439 avfilter_graph_free(&ost->graph);
2440 #endif
2441 }
2442
2443 /* close each decoder */
2444 for (i = 0; i < nb_input_streams; i++) {
2445 ist = &input_streams[i];
2446 if (ist->decoding_needed) {
2447 avcodec_close(ist->st->codec);
2448 }
2449 }
2450
2451 /* finished ! */
2452 ret = 0;
2453
2454 fail:
2455 av_freep(&bit_buffer);
2456 av_freep(&no_packet);
2457
2458 if (output_streams) {
2459 for (i = 0; i < nb_output_streams; i++) {
2460 ost = &output_streams[i];
2461 if (ost) {
2462 if (ost->st->stream_copy)
2463 av_freep(&ost->st->codec->extradata);
2464 if (ost->logfile) {
2465 fclose(ost->logfile);
2466 ost->logfile = NULL;
2467 }
2468 av_fifo_free(ost->fifo); /* works even if fifo is not
2469 initialized but set to zero */
2470 av_freep(&ost->st->codec->subtitle_header);
2471 av_free(ost->pict_tmp.data[0]);
2472 av_free(ost->forced_kf_pts);
2473 if (ost->video_resample)
2474 sws_freeContext(ost->img_resample_ctx);
2475 if (ost->resample)
2476 audio_resample_close(ost->resample);
2477 if (ost->reformat_ctx)
2478 av_audio_convert_free(ost->reformat_ctx);
2479 av_dict_free(&ost->opts);
2480 }
2481 }
2482 }
2483 return ret;
2484 }
2485
2486 static int opt_video_rc_override_string(const char *opt, const char *arg)
2487 {
2488 video_rc_override_string = arg;
2489 return 0;
2490 }
2491
2492 static int opt_me_threshold(const char *opt, const char *arg)
2493 {
2494 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2495 return 0;
2496 }
2497
2498 static int opt_verbose(const char *opt, const char *arg)
2499 {
2500 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2501 return 0;
2502 }
2503
2504 static int opt_frame_rate(const char *opt, const char *arg)
2505 {
2506 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2507 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2508 exit_program(1);
2509 }
2510 return 0;
2511 }
2512
2513 static int opt_frame_size(const char *opt, const char *arg)
2514 {
2515 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2516 fprintf(stderr, "Incorrect frame size\n");
2517 return AVERROR(EINVAL);
2518 }
2519 return 0;
2520 }
2521
2522 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2523 {
2524 if (strcmp(arg, "list")) {
2525 frame_pix_fmt = av_get_pix_fmt(arg);
2526 if (frame_pix_fmt == PIX_FMT_NONE) {
2527 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2528 return AVERROR(EINVAL);
2529 }
2530 } else {
2531 show_pix_fmts();
2532 exit_program(0);
2533 }
2534 return 0;
2535 }
2536
2537 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2538 {
2539 int x = 0, y = 0;
2540 double ar = 0;
2541 const char *p;
2542 char *end;
2543
2544 p = strchr(arg, ':');
2545 if (p) {
2546 x = strtol(arg, &end, 10);
2547 if (end == p)
2548 y = strtol(end+1, &end, 10);
2549 if (x > 0 && y > 0)
2550 ar = (double)x / (double)y;
2551 } else
2552 ar = strtod(arg, NULL);
2553
2554 if (!ar) {
2555 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2556 return AVERROR(EINVAL);
2557 }
2558 frame_aspect_ratio = ar;
2559 return 0;
2560 }
2561
2562 static int opt_qscale(const char *opt, const char *arg)
2563 {
2564 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2565 if (video_qscale == 0) {
2566 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2567 return AVERROR(EINVAL);
2568 }
2569 return 0;
2570 }
2571
2572 static int opt_top_field_first(const char *opt, const char *arg)
2573 {
2574 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2575 return 0;
2576 }
2577
2578 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2579 {
2580 if (strcmp(arg, "list")) {
2581 audio_sample_fmt = av_get_sample_fmt(arg);
2582 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2583 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2584 return AVERROR(EINVAL);
2585 }
2586 } else {
2587 int i;
2588 char fmt_str[128];
2589 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2590 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2591 exit_program(0);
2592 }
2593 return 0;
2594 }
2595
2596 static int opt_audio_rate(const char *opt, const char *arg)
2597 {
2598 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2599 return 0;
2600 }
2601
2602 static int opt_audio_channels(const char *opt, const char *arg)
2603 {
2604 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2605 return 0;
2606 }
2607
2608 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2609 {
2610 return parse_option(o, "codec:a", arg, options);
2611 }
2612
2613 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2614 {
2615 return parse_option(o, "codec:v", arg, options);
2616 }
2617
2618 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2619 {
2620 return parse_option(o, "codec:s", arg, options);
2621 }
2622
2623 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2624 {
2625 return parse_option(o, "codec:d", arg, options);
2626 }
2627
2628 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2629 {
2630 StreamMap *m = NULL;
2631 int i, negative = 0, file_idx;
2632 int sync_file_idx = -1, sync_stream_idx;
2633 char *p, *sync;
2634 char *map;
2635
2636 if (*arg == '-') {
2637 negative = 1;
2638 arg++;
2639 }
2640 map = av_strdup(arg);
2641
2642 /* parse sync stream first, just pick first matching stream */
2643 if (sync = strchr(map, ',')) {
2644 *sync = 0;
2645 sync_file_idx = strtol(sync + 1, &sync, 0);
2646 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2647 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2648 exit_program(1);
2649 }
2650 if (*sync)
2651 sync++;
2652 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2653 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2654 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2655 sync_stream_idx = i;
2656 break;
2657 }
2658 if (i == input_files[sync_file_idx].nb_streams) {
2659 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2660 "match any streams.\n", arg);
2661 exit_program(1);
2662 }
2663 }
2664
2665
2666 file_idx = strtol(map, &p, 0);
2667 if (file_idx >= nb_input_files || file_idx < 0) {
2668 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2669 exit_program(1);
2670 }
2671 if (negative)
2672 /* disable some already defined maps */
2673 for (i = 0; i < o->nb_stream_maps; i++) {
2674 m = &o->stream_maps[i];
2675 if (check_stream_specifier(input_files[m->file_index].ctx,
2676 input_files[m->file_index].ctx->streams[m->stream_index],
2677 *p == ':' ? p + 1 : p) > 0)
2678 m->disabled = 1;
2679 }
2680 else
2681 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2682 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2683 *p == ':' ? p + 1 : p) <= 0)
2684 continue;
2685 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2686 &o->nb_stream_maps, o->nb_stream_maps + 1);
2687 m = &o->stream_maps[o->nb_stream_maps - 1];
2688
2689 m->file_index = file_idx;
2690 m->stream_index = i;
2691
2692 if (sync_file_idx >= 0) {
2693 m->sync_file_index = sync_file_idx;
2694 m->sync_stream_index = sync_stream_idx;
2695 } else {
2696 m->sync_file_index = file_idx;
2697 m->sync_stream_index = i;
2698 }
2699 }
2700
2701 if (!m) {
2702 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2703 exit_program(1);
2704 }
2705
2706 av_freep(&map);
2707 return 0;
2708 }
2709
2710 static void parse_meta_type(char *arg, char *type, int *index)
2711 {
2712 if (*arg) {
2713 *type = *arg;
2714 switch (*arg) {
2715 case 'g':
2716 break;
2717 case 's':
2718 case 'c':
2719 case 'p':
2720 if (*(++arg) == ':')
2721 *index = strtol(++arg, NULL, 0);
2722 break;
2723 default:
2724 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2725 exit_program(1);
2726 }
2727 } else
2728 *type = 'g';
2729 }
2730
2731 static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
2732 {
2733 MetadataMap *m, *m1;
2734 char *p;
2735
2736 o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
2737 &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
2738
2739 m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
2740 m->file = strtol(arg, &p, 0);
2741 parse_meta_type(*p ? p + 1 : p, &m->type, &m->index);
2742
2743 m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
2744 if (p = strchr(opt, ':'))
2745 parse_meta_type(p + 1, &m1->type, &m1->index);
2746 else
2747 m1->type = 'g';
2748
2749 if (m->type == 'g' || m1->type == 'g')
2750 o->metadata_global_manual = 1;
2751 if (m->type == 's' || m1->type == 's')
2752 o->metadata_streams_manual = 1;
2753 if (m->type == 'c' || m1->type == 'c')
2754 o->metadata_chapters_manual = 1;
2755
2756 return 0;
2757 }
2758
2759 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2760 {
2761 const char *codec_string = encoder ? "encoder" : "decoder";
2762 AVCodec *codec;
2763
2764 if(!name)
2765 return CODEC_ID_NONE;
2766 codec = encoder ?
2767 avcodec_find_encoder_by_name(name) :
2768 avcodec_find_decoder_by_name(name);
2769 if(!codec) {
2770 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2771 exit_program(1);
2772 }
2773 if(codec->type != type) {
2774 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2775 exit_program(1);
2776 }
2777 return codec->id;
2778 }
2779
2780 static AVCodec *choose_codec(OptionsContext *o, AVFormatContext *s, AVStream *st, enum AVMediaType type)
2781 {
2782 char *codec_name = NULL;
2783
2784 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
2785
2786 if (!codec_name) {
2787 if (s->oformat) {
2788 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2789 return avcodec_find_encoder(st->codec->codec_id);
2790 }
2791 } else if (!strcmp(codec_name, "copy"))
2792 st->stream_copy = 1;
2793 else {
2794 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2795 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2796 avcodec_find_decoder_by_name(codec_name);
2797 }
2798
2799 return NULL;
2800 }
2801
2802 /**
2803 * Add all the streams from the given input file to the global
2804 * list of input streams.
2805 */
2806 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
2807 {
2808 int i, rfps, rfps_base;
2809
2810 for (i = 0; i < ic->nb_streams; i++) {
2811 AVStream *st = ic->streams[i];
2812 AVCodecContext *dec = st->codec;
2813 InputStream *ist;
2814 double scale = 1.0;
2815
2816 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2817 ist = &input_streams[nb_input_streams - 1];
2818 ist->st = st;
2819 ist->file_index = nb_input_files;
2820 ist->discard = 1;
2821 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2822
2823 MATCH_PER_STREAM_OPT(ts_scale, dbl, scale, ic, st);
2824 ist->ts_scale = scale;
2825
2826 ist->dec = choose_codec(o, ic, st, dec->codec_type);
2827 if (!ist->dec)
2828 ist->dec = avcodec_find_decoder(dec->codec_id);
2829
2830 switch (dec->codec_type) {
2831 case AVMEDIA_TYPE_AUDIO:
2832 if(audio_disable)
2833 st->discard= AVDISCARD_ALL;
2834 break;
2835 case AVMEDIA_TYPE_VIDEO:
2836 rfps = ic->streams[i]->r_frame_rate.num;
2837 rfps_base = ic->streams[i]->r_frame_rate.den;
2838 if (dec->lowres) {
2839 dec->flags |= CODEC_FLAG_EMU_EDGE;
2840 dec->height >>= dec->lowres;
2841 dec->width >>= dec->lowres;
2842 }
2843 if(me_threshold)
2844 dec->debug |= FF_DEBUG_MV;
2845
2846 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2847
2848 if (verbose >= 0)
2849 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2850 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2851
2852 (float)rfps / rfps_base, rfps, rfps_base);
2853 }
2854
2855 if(video_disable)
2856 st->discard= AVDISCARD_ALL;
2857 else if(video_discard)
2858 st->discard= video_discard;
2859 break;
2860 case AVMEDIA_TYPE_DATA:
2861 break;
2862 case AVMEDIA_TYPE_SUBTITLE:
2863 if(subtitle_disable)
2864 st->discard = AVDISCARD_ALL;
2865 break;
2866 case AVMEDIA_TYPE_ATTACHMENT:
2867 case AVMEDIA_TYPE_UNKNOWN:
2868 break;
2869 default:
2870 abort();
2871 }
2872 }
2873 }
2874
2875 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
2876 {
2877 AVFormatContext *ic;
2878 AVInputFormat *file_iformat = NULL;
2879 int err, i, ret;
2880 int64_t timestamp;
2881 uint8_t buf[128];
2882 AVDictionary **opts;
2883 int orig_nb_streams; // number of streams before avformat_find_stream_info
2884
2885 if (o->format) {
2886 if (!(file_iformat = av_find_input_format(o->format))) {
2887 fprintf(stderr, "Unknown input format: '%s'\n", o->format);
2888 exit_program(1);
2889 }
2890 }
2891
2892 if (!strcmp(filename, "-"))
2893 filename = "pipe:";
2894
2895 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2896 !strcmp(filename, "/dev/stdin");
2897
2898 /* get default parameters from command line */
2899 ic = avformat_alloc_context();
2900 if (!ic) {
2901 print_error(filename, AVERROR(ENOMEM));
2902 exit_program(1);
2903 }
2904 if (audio_sample_rate) {
2905 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
2906 av_dict_set(&format_opts, "sample_rate", buf, 0);
2907 }
2908 if (audio_channels) {
2909 snprintf(buf, sizeof(buf), "%d", audio_channels);
2910 av_dict_set(&format_opts, "channels", buf, 0);
2911 }
2912 if (frame_rate.num) {
2913 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
2914 av_dict_set(&format_opts, "framerate", buf, 0);
2915 }
2916 if (frame_width && frame_height) {
2917 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
2918 av_dict_set(&format_opts, "video_size", buf, 0);
2919 }
2920 if (frame_pix_fmt != PIX_FMT_NONE)
2921 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
2922
2923 ic->flags |= AVFMT_FLAG_NONBLOCK;
2924
2925 /* open the input file with generic libav function */
2926 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2927 if (err < 0) {
2928 print_error(filename, err);
2929 exit_program(1);
2930 }
2931 assert_avoptions(format_opts);
2932
2933 if(opt_programid) {
2934 int i, j;
2935 int found=0;
2936 for(i=0; i<ic->nb_streams; i++){
2937 ic->streams[i]->discard= AVDISCARD_ALL;
2938 }
2939 for(i=0; i<ic->nb_programs; i++){
2940 AVProgram *p= ic->programs[i];
2941 if(p->id != opt_programid){
2942 p->discard = AVDISCARD_ALL;
2943 }else{
2944 found=1;
2945 for(j=0; j<p->nb_stream_indexes; j++){
2946 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
2947 }
2948 }
2949 }
2950 if(!found){
2951 fprintf(stderr, "Specified program id not found\n");
2952 exit_program(1);
2953 }
2954 opt_programid=0;
2955 }
2956
2957 /* apply forced codec ids */
2958 for (i = 0; i < ic->nb_streams; i++)
2959 choose_codec(o, ic, ic->streams[i], ic->streams[i]->codec->codec_type);
2960
2961 /* Set AVCodecContext options for avformat_find_stream_info */
2962 opts = setup_find_stream_info_opts(ic, codec_opts);
2963 orig_nb_streams = ic->nb_streams;
2964
2965 /* If not enough info to get the stream parameters, we decode the
2966 first frames to get it. (used in mpeg case for example) */
2967 ret = avformat_find_stream_info(ic, opts);
2968 if (ret < 0 && verbose >= 0) {
2969 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2970 av_close_input_file(ic);
2971 exit_program(1);
2972 }
2973
2974 timestamp = o->start_time;
2975 /* add the stream start time */
2976 if (ic->start_time != AV_NOPTS_VALUE)
2977 timestamp += ic->start_time;
2978
2979 /* if seeking requested, we execute it */
2980 if (o->start_time != 0) {
2981 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2982 if (ret < 0) {
2983 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2984 filename, (double)timestamp / AV_TIME_BASE);
2985 }
2986 }
2987
2988 /* update the current parameters so that they match the one of the input stream */
2989 add_input_streams(o, ic);
2990
2991 /* dump the file content */
2992 if (verbose >= 0)
2993 av_dump_format(ic, nb_input_files, filename, 0);
2994
2995 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
2996 input_files[nb_input_files - 1].ctx = ic;
2997 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
2998 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
2999 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3000
3001 frame_rate = (AVRational){0, 0};
3002 frame_pix_fmt = PIX_FMT_NONE;
3003 frame_height = 0;
3004 frame_width = 0;
3005 audio_sample_rate = 0;
3006 audio_channels = 0;
3007 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3008
3009 for (i = 0; i < orig_nb_streams; i++)
3010 av_dict_free(&opts[i]);
3011 av_freep(&opts);
3012
3013 reset_options(o);
3014 return 0;
3015 }
3016
3017 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3018 AVCodecContext *avctx)
3019 {
3020 char *p;
3021 int n = 1, i;
3022 int64_t t;
3023
3024 for (p = kf; *p; p++)
3025 if (*p == ',')
3026 n++;
3027 ost->forced_kf_count = n;
3028 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3029 if (!ost->forced_kf_pts) {
3030 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3031 exit_program(1);
3032 }
3033 for (i = 0; i < n; i++) {
3034 p = i ? strchr(p, ',') + 1 : kf;
3035 t = parse_time_or_die("force_key_frames", p, 1);
3036 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3037 }
3038 }
3039
3040 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3041 {
3042 OutputStream *ost;
3043 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3044 int idx = oc->nb_streams - 1;
3045 int64_t max_frames = INT64_MAX;
3046 char *bsf = NULL, *next, *codec_tag = NULL;
3047 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3048
3049 if (!st) {
3050 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3051 exit_program(1);
3052 }
3053
3054 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3055 nb_output_streams + 1);
3056 ost = &output_streams[nb_output_streams - 1];
3057 ost->file_index = nb_output_files;
3058 ost->index = idx;
3059 ost->st = st;
3060 st->codec->codec_type = type;
3061 ost->enc = choose_codec(o, oc, st, type);
3062 if (ost->enc) {
3063 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3064 }
3065
3066 avcodec_get_context_defaults3(st->codec, ost->enc);
3067 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3068
3069 MATCH_PER_STREAM_OPT(max_frames, i64, max_frames, oc, st);
3070 ost->max_frames = max_frames;
3071
3072 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3073 while (bsf) {
3074 if (next = strchr(bsf, ','))
3075 *next++ = 0;
3076 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3077 av_log(NULL, AV_LOG_ERROR, "Unknown bitstream filter %s\n", bsf);
3078 exit_program(1);
3079 }
3080 if (bsfc_prev)
3081 bsfc_prev->next = bsfc;
3082 else
3083 ost->bitstream_filters = bsfc;
3084
3085 bsfc_prev = bsfc;
3086 bsf = next;
3087 }
3088
3089 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3090 if (codec_tag) {
3091 uint32_t tag = strtol(codec_tag, &next, 0);
3092 if (*next)
3093 tag = AV_RL32(codec_tag);
3094 st->codec->codec_tag = tag;
3095 }
3096
3097 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3098 return ost;
3099 }
3100
3101 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3102 {
3103 AVStream *st;
3104 OutputStream *ost;
3105 AVCodecContext *video_enc;
3106
3107 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3108 st = ost->st;
3109 if (!st->stream_copy) {
3110 ost->frame_aspect_ratio = frame_aspect_ratio;
3111 frame_aspect_ratio = 0;
3112 #if CONFIG_AVFILTER
3113 ost->avfilter= vfilters;
3114 vfilters = NULL;
3115 #endif
3116 }
3117
3118 video_enc = st->codec;
3119
3120 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3121 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3122 }
3123
3124 if (st->stream_copy) {
3125 video_enc->sample_aspect_ratio =
3126 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3127 } else {
3128 const char *p;
3129 int i;
3130
3131 if (frame_rate.num)
3132 ost->frame_rate = frame_rate;
3133
3134 video_enc->width = frame_width;
3135 video_enc->height = frame_height;
3136 video_enc->pix_fmt = frame_pix_fmt;
3137 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3138
3139 if (video_qscale || same_quant) {
3140 video_enc->flags |= CODEC_FLAG_QSCALE;
3141 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3142 }
3143
3144 if(intra_matrix)
3145 video_enc->intra_matrix = intra_matrix;
3146 if(inter_matrix)
3147 video_enc->inter_matrix = inter_matrix;
3148
3149 p= video_rc_override_string;
3150 for(i=0; p; i++){
3151 int start, end, q;
3152 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3153 if(e!=3){
3154 fprintf(stderr, "error parsing rc_override\n");
3155 exit_program(1);
3156 }
3157 video_enc->rc_override=
3158 av_realloc(video_enc->rc_override,
3159 sizeof(RcOverride)*(i+1));
3160 video_enc->rc_override[i].start_frame= start;
3161 video_enc->rc_override[i].end_frame = end;
3162 if(q>0){
3163 video_enc->rc_override[i].qscale= q;
3164 video_enc->rc_override[i].quality_factor= 1.0;
3165 }
3166 else{
3167 video_enc->rc_override[i].qscale= 0;
3168 video_enc->rc_override[i].quality_factor= -q/100.0;
3169 }
3170 p= strchr(p, '/');
3171 if(p