avconv: make timer_start a local var in transcode().
[libav.git] / avconv.c
1 /*
2 * avconv main
3 * Copyright (c) 2000-2011 The libav developers.
4 *
5 * This file is part of Libav.
6 *
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #include "config.h"
23 #include <ctype.h>
24 #include <string.h>
25 #include <math.h>
26 #include <stdlib.h>
27 #include <errno.h>
28 #include <signal.h>
29 #include <limits.h>
30 #include <unistd.h>
31 #include "libavformat/avformat.h"
32 #include "libavdevice/avdevice.h"
33 #include "libswscale/swscale.h"
34 #include "libavutil/opt.h"
35 #include "libavcodec/audioconvert.h"
36 #include "libavutil/audioconvert.h"
37 #include "libavutil/parseutils.h"
38 #include "libavutil/samplefmt.h"
39 #include "libavutil/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/dict.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/libm.h"
47 #include "libavformat/os_support.h"
48
49 #if CONFIG_AVFILTER
50 # include "libavfilter/avfilter.h"
51 # include "libavfilter/avfiltergraph.h"
52 # include "libavfilter/vsrc_buffer.h"
53 #endif
54
55 #if HAVE_SYS_RESOURCE_H
56 #include <sys/types.h>
57 #include <sys/time.h>
58 #include <sys/resource.h>
59 #elif HAVE_GETPROCESSTIMES
60 #include <windows.h>
61 #endif
62 #if HAVE_GETPROCESSMEMORYINFO
63 #include <windows.h>
64 #include <psapi.h>
65 #endif
66
67 #if HAVE_SYS_SELECT_H
68 #include <sys/select.h>
69 #endif
70
71 #include <time.h>
72
73 #include "cmdutils.h"
74
75 #include "libavutil/avassert.h"
76
77 const char program_name[] = "avconv";
78 const int program_birth_year = 2000;
79
80 /* select an input stream for an output stream */
81 typedef struct StreamMap {
82 int disabled; /** 1 is this mapping is disabled by a negative map */
83 int file_index;
84 int stream_index;
85 int sync_file_index;
86 int sync_stream_index;
87 } StreamMap;
88
89 /**
90 * select an input file for an output file
91 */
92 typedef struct MetadataMap {
93 int file; //< file index
94 char type; //< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
95 int index; //< stream/chapter/program number
96 } MetadataMap;
97
98 static const OptionDef options[];
99
100 static const char *last_asked_format = NULL;
101 static AVDictionary *ts_scale;
102
103 static StreamMap *stream_maps = NULL;
104 static int nb_stream_maps;
105
106 static AVDictionary *codec_names;
107
108 /* first item specifies output metadata, second is input */
109 static MetadataMap (*meta_data_maps)[2] = NULL;
110 static int nb_meta_data_maps;
111 static int metadata_global_autocopy = 1;
112 static int metadata_streams_autocopy = 1;
113 static int metadata_chapters_autocopy = 1;
114
115 static int chapters_input_file = INT_MAX;
116
117 /* indexed by output file stream index */
118 static int *streamid_map = NULL;
119 static int nb_streamid_map = 0;
120
121 static int frame_width = 0;
122 static int frame_height = 0;
123 static float frame_aspect_ratio = 0;
124 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
125 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
126 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
127 static AVRational frame_rate;
128 static float video_qscale = 0;
129 static uint16_t *intra_matrix = NULL;
130 static uint16_t *inter_matrix = NULL;
131 static const char *video_rc_override_string=NULL;
132 static int video_disable = 0;
133 static int video_discard = 0;
134 static unsigned int video_codec_tag = 0;
135 static char *video_language = NULL;
136 static int same_quant = 0;
137 static int do_deinterlace = 0;
138 static int top_field_first = -1;
139 static int me_threshold = 0;
140 static int intra_dc_precision = 8;
141 static int qp_hist = 0;
142 #if CONFIG_AVFILTER
143 static char *vfilters = NULL;
144 #endif
145
146 static int intra_only = 0;
147 static int audio_sample_rate = 0;
148 #define QSCALE_NONE -99999
149 static float audio_qscale = QSCALE_NONE;
150 static int audio_disable = 0;
151 static int audio_channels = 0;
152 static unsigned int audio_codec_tag = 0;
153 static char *audio_language = NULL;
154
155 static int subtitle_disable = 0;
156 static char *subtitle_language = NULL;
157 static unsigned int subtitle_codec_tag = 0;
158
159 static int data_disable = 0;
160 static unsigned int data_codec_tag = 0;
161
162 static float mux_preload= 0.5;
163 static float mux_max_delay= 0.7;
164
165 static int64_t recording_time = INT64_MAX;
166 static int64_t start_time = 0;
167 static int64_t input_ts_offset = 0;
168 static int file_overwrite = 0;
169 static AVDictionary *metadata;
170 static int do_benchmark = 0;
171 static int do_hex_dump = 0;
172 static int do_pkt_dump = 0;
173 static int do_psnr = 0;
174 static int do_pass = 0;
175 static char *pass_logfilename_prefix = NULL;
176 static int video_sync_method= -1;
177 static int audio_sync_method= 0;
178 static float audio_drift_threshold= 0.1;
179 static int copy_ts= 0;
180 static int copy_tb;
181 static int opt_shortest = 0;
182 static char *vstats_filename;
183 static FILE *vstats_file;
184 static int opt_programid = 0;
185 static int copy_initial_nonkeyframes = 0;
186
187 static int rate_emu = 0;
188
189 static int audio_volume = 256;
190
191 static int exit_on_error = 0;
192 static int using_stdin = 0;
193 static int verbose = 1;
194 static int thread_count= 1;
195 static int64_t video_size = 0;
196 static int64_t audio_size = 0;
197 static int64_t extra_size = 0;
198 static int nb_frames_dup = 0;
199 static int nb_frames_drop = 0;
200 static int input_sync;
201 static uint64_t limit_filesize = 0;
202 static int force_fps = 0;
203 static char *forced_key_frames = NULL;
204
205 static float dts_delta_threshold = 10;
206
207 static uint8_t *audio_buf;
208 static uint8_t *audio_out;
209 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
210
211 static short *samples;
212
213 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
214 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
215 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
216
217 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
218
219 typedef struct InputStream {
220 int file_index;
221 AVStream *st;
222 int discard; /* true if stream data should be discarded */
223 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
224 AVCodec *dec;
225
226 int64_t start; /* time when read started */
227 int64_t next_pts; /* synthetic pts for cases where pkt.pts
228 is not defined */
229 int64_t pts; /* current pts */
230 PtsCorrectionContext pts_ctx;
231 double ts_scale;
232 int is_start; /* is 1 at the start and after a discontinuity */
233 int showed_multi_packet_warning;
234 AVDictionary *opts;
235 } InputStream;
236
237 typedef struct InputFile {
238 AVFormatContext *ctx;
239 int eof_reached; /* true if eof reached */
240 int ist_index; /* index of first stream in ist_table */
241 int buffer_size; /* current total buffer size */
242 int64_t ts_offset;
243 } InputFile;
244
245 typedef struct OutputStream {
246 int file_index; /* file index */
247 int index; /* stream index in the output file */
248 int source_index; /* InputStream index */
249 AVStream *st; /* stream in the output file */
250 int encoding_needed; /* true if encoding needed for this stream */
251 int frame_number;
252 /* input pts and corresponding output pts
253 for A/V sync */
254 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
255 struct InputStream *sync_ist; /* input stream to sync against */
256 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
257 AVBitStreamFilterContext *bitstream_filters;
258 AVCodec *enc;
259
260 /* video only */
261 int video_resample;
262 AVFrame pict_tmp; /* temporary image for resampling */
263 struct SwsContext *img_resample_ctx; /* for image resampling */
264 int resample_height;
265 int resample_width;
266 int resample_pix_fmt;
267 AVRational frame_rate;
268
269 float frame_aspect_ratio;
270
271 /* forced key frames */
272 int64_t *forced_kf_pts;
273 int forced_kf_count;
274 int forced_kf_index;
275
276 /* audio only */
277 int audio_resample;
278 ReSampleContext *resample; /* for audio resampling */
279 int resample_sample_fmt;
280 int resample_channels;
281 int resample_sample_rate;
282 int reformat_pair;
283 AVAudioConvert *reformat_ctx;
284 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
285 FILE *logfile;
286
287 #if CONFIG_AVFILTER
288 AVFilterContext *output_video_filter;
289 AVFilterContext *input_video_filter;
290 AVFilterBufferRef *picref;
291 char *avfilter;
292 AVFilterGraph *graph;
293 #endif
294
295 int sws_flags;
296 AVDictionary *opts;
297 int is_past_recording_time;
298 } OutputStream;
299
300
301 typedef struct OutputFile {
302 AVFormatContext *ctx;
303 AVDictionary *opts;
304 int ost_index; /* index of the first stream in output_streams */
305 int64_t recording_time; /* desired length of the resulting file in microseconds */
306 int64_t start_time; /* start time in microseconds */
307 } OutputFile;
308
309 static InputStream *input_streams = NULL;
310 static int nb_input_streams = 0;
311 static InputFile *input_files = NULL;
312 static int nb_input_files = 0;
313
314 static OutputStream *output_streams = NULL;
315 static int nb_output_streams = 0;
316 static OutputFile *output_files = NULL;
317 static int nb_output_files = 0;
318
319 #if CONFIG_AVFILTER
320
321 static int configure_video_filters(InputStream *ist, OutputStream *ost)
322 {
323 AVFilterContext *last_filter, *filter;
324 /** filter graph containing all filters including input & output */
325 AVCodecContext *codec = ost->st->codec;
326 AVCodecContext *icodec = ist->st->codec;
327 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
328 AVRational sample_aspect_ratio;
329 char args[255];
330 int ret;
331
332 ost->graph = avfilter_graph_alloc();
333
334 if (ist->st->sample_aspect_ratio.num){
335 sample_aspect_ratio = ist->st->sample_aspect_ratio;
336 }else
337 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
338
339 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
340 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
341 sample_aspect_ratio.num, sample_aspect_ratio.den);
342
343 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
344 "src", args, NULL, ost->graph);
345 if (ret < 0)
346 return ret;
347 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
348 "out", NULL, &ffsink_ctx, ost->graph);
349 if (ret < 0)
350 return ret;
351 last_filter = ost->input_video_filter;
352
353 if (codec->width != icodec->width || codec->height != icodec->height) {
354 snprintf(args, 255, "%d:%d:flags=0x%X",
355 codec->width,
356 codec->height,
357 ost->sws_flags);
358 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
359 NULL, args, NULL, ost->graph)) < 0)
360 return ret;
361 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
362 return ret;
363 last_filter = filter;
364 }
365
366 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
367 ost->graph->scale_sws_opts = av_strdup(args);
368
369 if (ost->avfilter) {
370 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
371 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
372
373 outputs->name = av_strdup("in");
374 outputs->filter_ctx = last_filter;
375 outputs->pad_idx = 0;
376 outputs->next = NULL;
377
378 inputs->name = av_strdup("out");
379 inputs->filter_ctx = ost->output_video_filter;
380 inputs->pad_idx = 0;
381 inputs->next = NULL;
382
383 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
384 return ret;
385 av_freep(&ost->avfilter);
386 } else {
387 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
388 return ret;
389 }
390
391 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
392 return ret;
393
394 codec->width = ost->output_video_filter->inputs[0]->w;
395 codec->height = ost->output_video_filter->inputs[0]->h;
396 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
397 ost->frame_aspect_ratio ? // overriden by the -aspect cli option
398 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
399 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
400
401 return 0;
402 }
403 #endif /* CONFIG_AVFILTER */
404
405 static void term_exit(void)
406 {
407 av_log(NULL, AV_LOG_QUIET, "");
408 }
409
410 static volatile int received_sigterm = 0;
411 static volatile int received_nb_signals = 0;
412
413 static void
414 sigterm_handler(int sig)
415 {
416 received_sigterm = sig;
417 received_nb_signals++;
418 term_exit();
419 }
420
421 static void term_init(void)
422 {
423 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
424 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
425 #ifdef SIGXCPU
426 signal(SIGXCPU, sigterm_handler);
427 #endif
428 }
429
430 static int decode_interrupt_cb(void)
431 {
432 return received_nb_signals > 1;
433 }
434
435 static int exit_program(int ret)
436 {
437 int i;
438
439 /* close files */
440 for(i=0;i<nb_output_files;i++) {
441 AVFormatContext *s = output_files[i].ctx;
442 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
443 avio_close(s->pb);
444 avformat_free_context(s);
445 av_dict_free(&output_files[i].opts);
446 }
447 for(i=0;i<nb_input_files;i++) {
448 av_close_input_file(input_files[i].ctx);
449 }
450 for (i = 0; i < nb_input_streams; i++)
451 av_dict_free(&input_streams[i].opts);
452
453 av_free(intra_matrix);
454 av_free(inter_matrix);
455
456 if (vstats_file)
457 fclose(vstats_file);
458 av_free(vstats_filename);
459
460 av_free(streamid_map);
461 av_free(meta_data_maps);
462
463 av_freep(&input_streams);
464 av_freep(&input_files);
465 av_freep(&output_streams);
466 av_freep(&output_files);
467
468 uninit_opts();
469 av_free(audio_buf);
470 av_free(audio_out);
471 allocated_audio_buf_size= allocated_audio_out_size= 0;
472 av_free(samples);
473
474 #if CONFIG_AVFILTER
475 avfilter_uninit();
476 #endif
477
478 if (received_sigterm) {
479 fprintf(stderr,
480 "Received signal %d: terminating.\n",
481 (int) received_sigterm);
482 exit (255);
483 }
484
485 exit(ret); /* not all OS-es handle main() return value */
486 return ret;
487 }
488
489 static void assert_avoptions(AVDictionary *m)
490 {
491 AVDictionaryEntry *t;
492 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
493 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
494 exit_program(1);
495 }
496 }
497
498 static void assert_codec_experimental(AVCodecContext *c, int encoder)
499 {
500 const char *codec_string = encoder ? "encoder" : "decoder";
501 AVCodec *codec;
502 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
503 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
504 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
505 "results.\nAdd '-strict experimental' if you want to use it.\n",
506 codec_string, c->codec->name);
507 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
508 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
509 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
510 codec_string, codec->name);
511 exit_program(1);
512 }
513 }
514
515 /* similar to ff_dynarray_add() and av_fast_realloc() */
516 static void *grow_array(void *array, int elem_size, int *size, int new_size)
517 {
518 if (new_size >= INT_MAX / elem_size) {
519 fprintf(stderr, "Array too big.\n");
520 exit_program(1);
521 }
522 if (*size < new_size) {
523 uint8_t *tmp = av_realloc(array, new_size*elem_size);
524 if (!tmp) {
525 fprintf(stderr, "Could not alloc buffer.\n");
526 exit_program(1);
527 }
528 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
529 *size = new_size;
530 return tmp;
531 }
532 return array;
533 }
534
535 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
536 {
537 if(codec && codec->sample_fmts){
538 const enum AVSampleFormat *p= codec->sample_fmts;
539 for(; *p!=-1; p++){
540 if(*p == st->codec->sample_fmt)
541 break;
542 }
543 if (*p == -1) {
544 av_log(NULL, AV_LOG_WARNING,
545 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
546 av_get_sample_fmt_name(st->codec->sample_fmt),
547 codec->name,
548 av_get_sample_fmt_name(codec->sample_fmts[0]));
549 st->codec->sample_fmt = codec->sample_fmts[0];
550 }
551 }
552 }
553
554 /**
555 * Update the requested input sample format based on the output sample format.
556 * This is currently only used to request float output from decoders which
557 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
558 * Ideally this will be removed in the future when decoders do not do format
559 * conversion and only output in their native format.
560 */
561 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
562 AVCodecContext *enc)
563 {
564 /* if sample formats match or a decoder sample format has already been
565 requested, just return */
566 if (enc->sample_fmt == dec->sample_fmt ||
567 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
568 return;
569
570 /* if decoder supports more than one output format */
571 if (dec_codec && dec_codec->sample_fmts &&
572 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
573 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
574 const enum AVSampleFormat *p;
575 int min_dec = -1, min_inc = -1;
576
577 /* find a matching sample format in the encoder */
578 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
579 if (*p == enc->sample_fmt) {
580 dec->request_sample_fmt = *p;
581 return;
582 } else if (*p > enc->sample_fmt) {
583 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
584 } else
585 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
586 }
587
588 /* if none match, provide the one that matches quality closest */
589 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
590 enc->sample_fmt - min_dec;
591 }
592 }
593
594 static void choose_sample_rate(AVStream *st, AVCodec *codec)
595 {
596 if(codec && codec->supported_samplerates){
597 const int *p= codec->supported_samplerates;
598 int best=0;
599 int best_dist=INT_MAX;
600 for(; *p; p++){
601 int dist= abs(st->codec->sample_rate - *p);
602 if(dist < best_dist){
603 best_dist= dist;
604 best= *p;
605 }
606 }
607 if(best_dist){
608 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
609 }
610 st->codec->sample_rate= best;
611 }
612 }
613
614 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
615 {
616 if(codec && codec->pix_fmts){
617 const enum PixelFormat *p= codec->pix_fmts;
618 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
619 if(st->codec->codec_id==CODEC_ID_MJPEG){
620 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
621 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
622 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};
623 }
624 }
625 for(; *p!=-1; p++){
626 if(*p == st->codec->pix_fmt)
627 break;
628 }
629 if (*p == -1) {
630 if(st->codec->pix_fmt != PIX_FMT_NONE)
631 av_log(NULL, AV_LOG_WARNING,
632 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
633 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
634 codec->name,
635 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
636 st->codec->pix_fmt = codec->pix_fmts[0];
637 }
638 }
639 }
640
641 static double
642 get_sync_ipts(const OutputStream *ost)
643 {
644 const InputStream *ist = ost->sync_ist;
645 OutputFile *of = &output_files[ost->file_index];
646 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
647 }
648
649 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
650 int ret;
651
652 while(bsfc){
653 AVPacket new_pkt= *pkt;
654 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
655 &new_pkt.data, &new_pkt.size,
656 pkt->data, pkt->size,
657 pkt->flags & AV_PKT_FLAG_KEY);
658 if(a>0){
659 av_free_packet(pkt);
660 new_pkt.destruct= av_destruct_packet;
661 } else if(a<0){
662 fprintf(stderr, "%s failed for stream %d, codec %s",
663 bsfc->filter->name, pkt->stream_index,
664 avctx->codec ? avctx->codec->name : "copy");
665 print_error("", a);
666 if (exit_on_error)
667 exit_program(1);
668 }
669 *pkt= new_pkt;
670
671 bsfc= bsfc->next;
672 }
673
674 ret= av_interleaved_write_frame(s, pkt);
675 if(ret < 0){
676 print_error("av_interleaved_write_frame()", ret);
677 exit_program(1);
678 }
679 }
680
681 static void do_audio_out(AVFormatContext *s,
682 OutputStream *ost,
683 InputStream *ist,
684 unsigned char *buf, int size)
685 {
686 uint8_t *buftmp;
687 int64_t audio_out_size, audio_buf_size;
688 int64_t allocated_for_size= size;
689
690 int size_out, frame_bytes, ret, resample_changed;
691 AVCodecContext *enc= ost->st->codec;
692 AVCodecContext *dec= ist->st->codec;
693 int osize = av_get_bytes_per_sample(enc->sample_fmt);
694 int isize = av_get_bytes_per_sample(dec->sample_fmt);
695 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
696
697 need_realloc:
698 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
699 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
700 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
701 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
702 audio_buf_size*= osize*enc->channels;
703
704 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
705 if(coded_bps > 8*osize)
706 audio_out_size= audio_out_size * coded_bps / (8*osize);
707 audio_out_size += FF_MIN_BUFFER_SIZE;
708
709 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
710 fprintf(stderr, "Buffer sizes too large\n");
711 exit_program(1);
712 }
713
714 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
715 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
716 if (!audio_buf || !audio_out){
717 fprintf(stderr, "Out of memory in do_audio_out\n");
718 exit_program(1);
719 }
720
721 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
722 ost->audio_resample = 1;
723
724 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
725 ost->resample_channels != dec->channels ||
726 ost->resample_sample_rate != dec->sample_rate;
727
728 if ((ost->audio_resample && !ost->resample) || resample_changed) {
729 if (resample_changed) {
730 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",
731 ist->file_index, ist->st->index,
732 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
733 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
734 ost->resample_sample_fmt = dec->sample_fmt;
735 ost->resample_channels = dec->channels;
736 ost->resample_sample_rate = dec->sample_rate;
737 if (ost->resample)
738 audio_resample_close(ost->resample);
739 }
740 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
741 if (audio_sync_method <= 1 &&
742 ost->resample_sample_fmt == enc->sample_fmt &&
743 ost->resample_channels == enc->channels &&
744 ost->resample_sample_rate == enc->sample_rate) {
745 ost->resample = NULL;
746 ost->audio_resample = 0;
747 } else if (ost->audio_resample) {
748 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
749 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
750 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
751 enc->sample_rate, dec->sample_rate,
752 enc->sample_fmt, dec->sample_fmt,
753 16, 10, 0, 0.8);
754 if (!ost->resample) {
755 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
756 dec->channels, dec->sample_rate,
757 enc->channels, enc->sample_rate);
758 exit_program(1);
759 }
760 }
761 }
762
763 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
764 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
765 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
766 if (ost->reformat_ctx)
767 av_audio_convert_free(ost->reformat_ctx);
768 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
769 dec->sample_fmt, 1, NULL, 0);
770 if (!ost->reformat_ctx) {
771 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
772 av_get_sample_fmt_name(dec->sample_fmt),
773 av_get_sample_fmt_name(enc->sample_fmt));
774 exit_program(1);
775 }
776 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
777 }
778
779 if(audio_sync_method){
780 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
781 - av_fifo_size(ost->fifo)/(enc->channels * 2);
782 double idelta= delta*dec->sample_rate / enc->sample_rate;
783 int byte_delta= ((int)idelta)*2*dec->channels;
784
785 //FIXME resample delay
786 if(fabs(delta) > 50){
787 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
788 if(byte_delta < 0){
789 byte_delta= FFMAX(byte_delta, -size);
790 size += byte_delta;
791 buf -= byte_delta;
792 if(verbose > 2)
793 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
794 if(!size)
795 return;
796 ist->is_start=0;
797 }else{
798 static uint8_t *input_tmp= NULL;
799 input_tmp= av_realloc(input_tmp, byte_delta + size);
800
801 if(byte_delta > allocated_for_size - size){
802 allocated_for_size= byte_delta + (int64_t)size;
803 goto need_realloc;
804 }
805 ist->is_start=0;
806
807 memset(input_tmp, 0, byte_delta);
808 memcpy(input_tmp + byte_delta, buf, size);
809 buf= input_tmp;
810 size += byte_delta;
811 if(verbose > 2)
812 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
813 }
814 }else if(audio_sync_method>1){
815 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
816 av_assert0(ost->audio_resample);
817 if(verbose > 2)
818 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
819 // 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));
820 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
821 }
822 }
823 }else
824 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
825 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
826
827 if (ost->audio_resample) {
828 buftmp = audio_buf;
829 size_out = audio_resample(ost->resample,
830 (short *)buftmp, (short *)buf,
831 size / (dec->channels * isize));
832 size_out = size_out * enc->channels * osize;
833 } else {
834 buftmp = buf;
835 size_out = size;
836 }
837
838 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
839 const void *ibuf[6]= {buftmp};
840 void *obuf[6]= {audio_buf};
841 int istride[6]= {isize};
842 int ostride[6]= {osize};
843 int len= size_out/istride[0];
844 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
845 printf("av_audio_convert() failed\n");
846 if (exit_on_error)
847 exit_program(1);
848 return;
849 }
850 buftmp = audio_buf;
851 size_out = len*osize;
852 }
853
854 /* now encode as many frames as possible */
855 if (enc->frame_size > 1) {
856 /* output resampled raw samples */
857 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
858 fprintf(stderr, "av_fifo_realloc2() failed\n");
859 exit_program(1);
860 }
861 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
862
863 frame_bytes = enc->frame_size * osize * enc->channels;
864
865 while (av_fifo_size(ost->fifo) >= frame_bytes) {
866 AVPacket pkt;
867 av_init_packet(&pkt);
868
869 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
870
871 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
872
873 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
874 (short *)audio_buf);
875 if (ret < 0) {
876 fprintf(stderr, "Audio encoding failed\n");
877 exit_program(1);
878 }
879 audio_size += ret;
880 pkt.stream_index= ost->index;
881 pkt.data= audio_out;
882 pkt.size= ret;
883 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
884 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
885 pkt.flags |= AV_PKT_FLAG_KEY;
886 write_frame(s, &pkt, enc, ost->bitstream_filters);
887
888 ost->sync_opts += enc->frame_size;
889 }
890 } else {
891 AVPacket pkt;
892 av_init_packet(&pkt);
893
894 ost->sync_opts += size_out / (osize * enc->channels);
895
896 /* output a pcm frame */
897 /* determine the size of the coded buffer */
898 size_out /= osize;
899 if (coded_bps)
900 size_out = size_out*coded_bps/8;
901
902 if(size_out > audio_out_size){
903 fprintf(stderr, "Internal error, buffer size too small\n");
904 exit_program(1);
905 }
906
907 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
908 ret = avcodec_encode_audio(enc, audio_out, size_out,
909 (short *)buftmp);
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 }
924
925 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
926 {
927 AVCodecContext *dec;
928 AVPicture *picture2;
929 AVPicture picture_tmp;
930 uint8_t *buf = 0;
931
932 dec = ist->st->codec;
933
934 /* deinterlace : must be done before any resize */
935 if (do_deinterlace) {
936 int size;
937
938 /* create temporary picture */
939 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
940 buf = av_malloc(size);
941 if (!buf)
942 return;
943
944 picture2 = &picture_tmp;
945 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
946
947 if(avpicture_deinterlace(picture2, picture,
948 dec->pix_fmt, dec->width, dec->height) < 0) {
949 /* if error, do not deinterlace */
950 fprintf(stderr, "Deinterlacing failed\n");
951 av_free(buf);
952 buf = NULL;
953 picture2 = picture;
954 }
955 } else {
956 picture2 = picture;
957 }
958
959 if (picture != picture2)
960 *picture = *picture2;
961 *bufp = buf;
962 }
963
964 static void do_subtitle_out(AVFormatContext *s,
965 OutputStream *ost,
966 InputStream *ist,
967 AVSubtitle *sub,
968 int64_t pts)
969 {
970 static uint8_t *subtitle_out = NULL;
971 int subtitle_out_max_size = 1024 * 1024;
972 int subtitle_out_size, nb, i;
973 AVCodecContext *enc;
974 AVPacket pkt;
975
976 if (pts == AV_NOPTS_VALUE) {
977 fprintf(stderr, "Subtitle packets must have a pts\n");
978 if (exit_on_error)
979 exit_program(1);
980 return;
981 }
982
983 enc = ost->st->codec;
984
985 if (!subtitle_out) {
986 subtitle_out = av_malloc(subtitle_out_max_size);
987 }
988
989 /* Note: DVB subtitle need one packet to draw them and one other
990 packet to clear them */
991 /* XXX: signal it in the codec context ? */
992 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
993 nb = 2;
994 else
995 nb = 1;
996
997 for(i = 0; i < nb; i++) {
998 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
999 // start_display_time is required to be 0
1000 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1001 sub->end_display_time -= sub->start_display_time;
1002 sub->start_display_time = 0;
1003 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1004 subtitle_out_max_size, sub);
1005 if (subtitle_out_size < 0) {
1006 fprintf(stderr, "Subtitle encoding failed\n");
1007 exit_program(1);
1008 }
1009
1010 av_init_packet(&pkt);
1011 pkt.stream_index = ost->index;
1012 pkt.data = subtitle_out;
1013 pkt.size = subtitle_out_size;
1014 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1015 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1016 /* XXX: the pts correction is handled here. Maybe handling
1017 it in the codec would be better */
1018 if (i == 0)
1019 pkt.pts += 90 * sub->start_display_time;
1020 else
1021 pkt.pts += 90 * sub->end_display_time;
1022 }
1023 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1024 }
1025 }
1026
1027 static int bit_buffer_size= 1024*256;
1028 static uint8_t *bit_buffer= NULL;
1029
1030 static void do_video_resample(OutputStream *ost,
1031 InputStream *ist,
1032 AVFrame *in_picture,
1033 AVFrame **out_picture)
1034 {
1035 int resample_changed = 0;
1036 AVCodecContext *dec = ist->st->codec;
1037 *out_picture = in_picture;
1038
1039 resample_changed = ost->resample_width != dec->width ||
1040 ost->resample_height != dec->height ||
1041 ost->resample_pix_fmt != dec->pix_fmt;
1042
1043 if (resample_changed) {
1044 av_log(NULL, AV_LOG_INFO,
1045 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1046 ist->file_index, ist->st->index,
1047 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1048 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1049 if(!ost->video_resample)
1050 ost->video_resample = 1;
1051 }
1052
1053 #if !CONFIG_AVFILTER
1054 if (ost->video_resample) {
1055 *out_picture = &ost->pict_tmp;
1056 if (resample_changed) {
1057 /* initialize a new scaler context */
1058 sws_freeContext(ost->img_resample_ctx);
1059 ost->img_resample_ctx = sws_getContext(
1060 ist->st->codec->width,
1061 ist->st->codec->height,
1062 ist->st->codec->pix_fmt,
1063 ost->st->codec->width,
1064 ost->st->codec->height,
1065 ost->st->codec->pix_fmt,
1066 ost->sws_flags, NULL, NULL, NULL);
1067 if (ost->img_resample_ctx == NULL) {
1068 fprintf(stderr, "Cannot get resampling context\n");
1069 exit_program(1);
1070 }
1071 }
1072 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1073 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1074 }
1075 #else
1076 if (resample_changed) {
1077 avfilter_graph_free(&ost->graph);
1078 if (configure_video_filters(ist, ost)) {
1079 fprintf(stderr, "Error reinitialising filters!\n");
1080 exit_program(1);
1081 }
1082 }
1083 #endif
1084 if (resample_changed) {
1085 ost->resample_width = dec->width;
1086 ost->resample_height = dec->height;
1087 ost->resample_pix_fmt = dec->pix_fmt;
1088 }
1089 }
1090
1091
1092 static void do_video_out(AVFormatContext *s,
1093 OutputStream *ost,
1094 InputStream *ist,
1095 AVFrame *in_picture,
1096 int *frame_size, float quality)
1097 {
1098 int nb_frames, i, ret, format_video_sync;
1099 AVFrame *final_picture;
1100 AVCodecContext *enc, *dec;
1101 double sync_ipts;
1102
1103 enc = ost->st->codec;
1104 dec = ist->st->codec;
1105
1106 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1107
1108 /* by default, we output a single frame */
1109 nb_frames = 1;
1110
1111 *frame_size = 0;
1112
1113 format_video_sync = video_sync_method;
1114 if (format_video_sync < 0)
1115 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1116
1117 if (format_video_sync) {
1118 double vdelta = sync_ipts - ost->sync_opts;
1119 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1120 if (vdelta < -1.1)
1121 nb_frames = 0;
1122 else if (format_video_sync == 2) {
1123 if(vdelta<=-0.6){
1124 nb_frames=0;
1125 }else if(vdelta>0.6)
1126 ost->sync_opts= lrintf(sync_ipts);
1127 }else if (vdelta > 1.1)
1128 nb_frames = lrintf(vdelta);
1129 //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);
1130 if (nb_frames == 0){
1131 ++nb_frames_drop;
1132 if (verbose>2)
1133 fprintf(stderr, "*** drop!\n");
1134 }else if (nb_frames > 1) {
1135 nb_frames_dup += nb_frames - 1;
1136 if (verbose>2)
1137 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1138 }
1139 }else
1140 ost->sync_opts= lrintf(sync_ipts);
1141
1142 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1143 if (nb_frames <= 0)
1144 return;
1145
1146 do_video_resample(ost, ist, in_picture, &final_picture);
1147
1148 /* duplicates frame if needed */
1149 for(i=0;i<nb_frames;i++) {
1150 AVPacket pkt;
1151 av_init_packet(&pkt);
1152 pkt.stream_index= ost->index;
1153
1154 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1155 /* raw pictures are written as AVPicture structure to
1156 avoid any copies. We support temorarily the older
1157 method. */
1158 AVFrame* old_frame = enc->coded_frame;
1159 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1160 pkt.data= (uint8_t *)final_picture;
1161 pkt.size= sizeof(AVPicture);
1162 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1163 pkt.flags |= AV_PKT_FLAG_KEY;
1164
1165 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1166 enc->coded_frame = old_frame;
1167 } else {
1168 AVFrame big_picture;
1169
1170 big_picture= *final_picture;
1171 /* better than nothing: use input picture interlaced
1172 settings */
1173 big_picture.interlaced_frame = in_picture->interlaced_frame;
1174 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1175 if(top_field_first == -1)
1176 big_picture.top_field_first = in_picture->top_field_first;
1177 else
1178 big_picture.top_field_first = top_field_first;
1179 }
1180
1181 /* handles same_quant here. This is not correct because it may
1182 not be a global option */
1183 big_picture.quality = quality;
1184 if(!me_threshold)
1185 big_picture.pict_type = 0;
1186 // big_picture.pts = AV_NOPTS_VALUE;
1187 big_picture.pts= ost->sync_opts;
1188 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1189 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1190 if (ost->forced_kf_index < ost->forced_kf_count &&
1191 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1192 big_picture.pict_type = AV_PICTURE_TYPE_I;
1193 ost->forced_kf_index++;
1194 }
1195 ret = avcodec_encode_video(enc,
1196 bit_buffer, bit_buffer_size,
1197 &big_picture);
1198 if (ret < 0) {
1199 fprintf(stderr, "Video encoding failed\n");
1200 exit_program(1);
1201 }
1202
1203 if(ret>0){
1204 pkt.data= bit_buffer;
1205 pkt.size= ret;
1206 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1207 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1208 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1209 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1210 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1211
1212 if(enc->coded_frame->key_frame)
1213 pkt.flags |= AV_PKT_FLAG_KEY;
1214 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1215 *frame_size = ret;
1216 video_size += ret;
1217 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1218 // enc->frame_number-1, ret, enc->pict_type);
1219 /* if two pass, output log */
1220 if (ost->logfile && enc->stats_out) {
1221 fprintf(ost->logfile, "%s", enc->stats_out);
1222 }
1223 }
1224 }
1225 ost->sync_opts++;
1226 ost->frame_number++;
1227 }
1228 }
1229
1230 static double psnr(double d){
1231 return -10.0*log(d)/log(10.0);
1232 }
1233
1234 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1235 int frame_size)
1236 {
1237 AVCodecContext *enc;
1238 int frame_number;
1239 double ti1, bitrate, avg_bitrate;
1240
1241 /* this is executed just the first time do_video_stats is called */
1242 if (!vstats_file) {
1243 vstats_file = fopen(vstats_filename, "w");
1244 if (!vstats_file) {
1245 perror("fopen");
1246 exit_program(1);
1247 }
1248 }
1249
1250 enc = ost->st->codec;
1251 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1252 frame_number = ost->frame_number;
1253 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1254 if (enc->flags&CODEC_FLAG_PSNR)
1255 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1256
1257 fprintf(vstats_file,"f_size= %6d ", frame_size);
1258 /* compute pts value */
1259 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1260 if (ti1 < 0.01)
1261 ti1 = 0.01;
1262
1263 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1264 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1265 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1266 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1267 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1268 }
1269 }
1270
1271 static void print_report(OutputFile *output_files,
1272 OutputStream *ost_table, int nb_ostreams,
1273 int is_last_report, int64_t timer_start)
1274 {
1275 char buf[1024];
1276 OutputStream *ost;
1277 AVFormatContext *oc;
1278 int64_t total_size;
1279 AVCodecContext *enc;
1280 int frame_number, vid, i;
1281 double bitrate, ti1, pts;
1282 static int64_t last_time = -1;
1283 static int qp_histogram[52];
1284
1285 if (!is_last_report) {
1286 int64_t cur_time;
1287 /* display the report every 0.5 seconds */
1288 cur_time = av_gettime();
1289 if (last_time == -1) {
1290 last_time = cur_time;
1291 return;
1292 }
1293 if ((cur_time - last_time) < 500000)
1294 return;
1295 last_time = cur_time;
1296 }
1297
1298
1299 oc = output_files[0].ctx;
1300
1301 total_size = avio_size(oc->pb);
1302 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1303 total_size= avio_tell(oc->pb);
1304
1305 buf[0] = '\0';
1306 ti1 = 1e10;
1307 vid = 0;
1308 for(i=0;i<nb_ostreams;i++) {
1309 float q = -1;
1310 ost = &ost_table[i];
1311 enc = ost->st->codec;
1312 if (!ost->st->stream_copy && enc->coded_frame)
1313 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1314 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1315 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1316 }
1317 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1318 float t = (av_gettime()-timer_start) / 1000000.0;
1319
1320 frame_number = ost->frame_number;
1321 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1322 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1323 if(is_last_report)
1324 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1325 if(qp_hist){
1326 int j;
1327 int qp = lrintf(q);
1328 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1329 qp_histogram[qp]++;
1330 for(j=0; j<32; j++)
1331 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1332 }
1333 if (enc->flags&CODEC_FLAG_PSNR){
1334 int j;
1335 double error, error_sum=0;
1336 double scale, scale_sum=0;
1337 char type[3]= {'Y','U','V'};
1338 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1339 for(j=0; j<3; j++){
1340 if(is_last_report){
1341 error= enc->error[j];
1342 scale= enc->width*enc->height*255.0*255.0*frame_number;
1343 }else{
1344 error= enc->coded_frame->error[j];
1345 scale= enc->width*enc->height*255.0*255.0;
1346 }
1347 if(j) scale/=4;
1348 error_sum += error;
1349 scale_sum += scale;
1350 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1351 }
1352 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1353 }
1354 vid = 1;
1355 }
1356 /* compute min output value */
1357 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1358 if ((pts < ti1) && (pts > 0))
1359 ti1 = pts;
1360 }
1361 if (ti1 < 0.01)
1362 ti1 = 0.01;
1363
1364 if (verbose > 0 || is_last_report) {
1365 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1366
1367 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1368 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1369 (double)total_size / 1024, ti1, bitrate);
1370
1371 if (nb_frames_dup || nb_frames_drop)
1372 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1373 nb_frames_dup, nb_frames_drop);
1374
1375 if (verbose >= 0)
1376 fprintf(stderr, "%s \r", buf);
1377
1378 fflush(stderr);
1379 }
1380
1381 if (is_last_report && verbose >= 0){
1382 int64_t raw= audio_size + video_size + extra_size;
1383 fprintf(stderr, "\n");
1384 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1385 video_size/1024.0,
1386 audio_size/1024.0,
1387 extra_size/1024.0,
1388 100.0*(total_size - raw)/raw
1389 );
1390 }
1391 }
1392
1393 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1394 {
1395 int fill_char = 0x00;
1396 if (sample_fmt == AV_SAMPLE_FMT_U8)
1397 fill_char = 0x80;
1398 memset(buf, fill_char, size);
1399 }
1400
1401 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1402 static int output_packet(InputStream *ist, int ist_index,
1403 OutputStream *ost_table, int nb_ostreams,
1404 const AVPacket *pkt)
1405 {
1406 AVFormatContext *os;
1407 OutputStream *ost;
1408 int ret, i;
1409 int got_output;
1410 AVFrame picture;
1411 void *buffer_to_free = NULL;
1412 static unsigned int samples_size= 0;
1413 AVSubtitle subtitle, *subtitle_to_free;
1414 int64_t pkt_pts = AV_NOPTS_VALUE;
1415 #if CONFIG_AVFILTER
1416 int frame_available;
1417 #endif
1418 float quality;
1419
1420 AVPacket avpkt;
1421 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1422
1423 if(ist->next_pts == AV_NOPTS_VALUE)
1424 ist->next_pts= ist->pts;
1425
1426 if (pkt == NULL) {
1427 /* EOF handling */
1428 av_init_packet(&avpkt);
1429 avpkt.data = NULL;
1430 avpkt.size = 0;
1431 goto handle_eof;
1432 } else {
1433 avpkt = *pkt;
1434 }
1435
1436 if(pkt->dts != AV_NOPTS_VALUE)
1437 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1438 if(pkt->pts != AV_NOPTS_VALUE)
1439 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1440
1441 //while we have more to decode or while the decoder did output something on EOF
1442 while (avpkt.size > 0 || (!pkt && got_output)) {
1443 uint8_t *data_buf, *decoded_data_buf;
1444 int data_size, decoded_data_size;
1445 handle_eof:
1446 ist->pts= ist->next_pts;
1447
1448 if(avpkt.size && avpkt.size != pkt->size &&
1449 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1450 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1451 ist->showed_multi_packet_warning=1;
1452 }
1453
1454 /* decode the packet if needed */
1455 decoded_data_buf = NULL; /* fail safe */
1456 decoded_data_size= 0;
1457 data_buf = avpkt.data;
1458 data_size = avpkt.size;
1459 subtitle_to_free = NULL;
1460 if (ist->decoding_needed) {
1461 switch(ist->st->codec->codec_type) {
1462 case AVMEDIA_TYPE_AUDIO:{
1463 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1464 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1465 av_free(samples);
1466 samples= av_malloc(samples_size);
1467 }
1468 decoded_data_size= samples_size;
1469 /* XXX: could avoid copy if PCM 16 bits with same
1470 endianness as CPU */
1471 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1472 &avpkt);
1473 if (ret < 0)
1474 return ret;
1475 avpkt.data += ret;
1476 avpkt.size -= ret;
1477 data_size = ret;
1478 got_output = decoded_data_size > 0;
1479 /* Some bug in mpeg audio decoder gives */
1480 /* decoded_data_size < 0, it seems they are overflows */
1481 if (!got_output) {
1482 /* no audio frame */
1483 continue;
1484 }
1485 decoded_data_buf = (uint8_t *)samples;
1486 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1487 (ist->st->codec->sample_rate * ist->st->codec->channels);
1488 break;}
1489 case AVMEDIA_TYPE_VIDEO:
1490 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1491 /* XXX: allocate picture correctly */
1492 avcodec_get_frame_defaults(&picture);
1493 avpkt.pts = pkt_pts;
1494 avpkt.dts = ist->pts;
1495 pkt_pts = AV_NOPTS_VALUE;
1496
1497 ret = avcodec_decode_video2(ist->st->codec,
1498 &picture, &got_output, &avpkt);
1499 quality = same_quant ? picture.quality : 0;
1500 if (ret < 0)
1501 return ret;
1502 if (!got_output) {
1503 /* no picture yet */
1504 goto discard_packet;
1505 }
1506 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1507 if (ist->st->codec->time_base.num != 0) {
1508 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1509 ist->next_pts += ((int64_t)AV_TIME_BASE *
1510 ist->st->codec->time_base.num * ticks) /
1511 ist->st->codec->time_base.den;
1512 }
1513 avpkt.size = 0;
1514 buffer_to_free = NULL;
1515 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1516 break;
1517 case AVMEDIA_TYPE_SUBTITLE:
1518 ret = avcodec_decode_subtitle2(ist->st->codec,
1519 &subtitle, &got_output, &avpkt);
1520 if (ret < 0)
1521 return ret;
1522 if (!got_output) {
1523 goto discard_packet;
1524 }
1525 subtitle_to_free = &subtitle;
1526 avpkt.size = 0;
1527 break;
1528 default:
1529 return -1;
1530 }
1531 } else {
1532 switch(ist->st->codec->codec_type) {
1533 case AVMEDIA_TYPE_AUDIO:
1534 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1535 ist->st->codec->sample_rate;
1536 break;
1537 case AVMEDIA_TYPE_VIDEO:
1538 if (ist->st->codec->time_base.num != 0) {
1539 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1540 ist->next_pts += ((int64_t)AV_TIME_BASE *
1541 ist->st->codec->time_base.num * ticks) /
1542 ist->st->codec->time_base.den;
1543 }
1544 break;
1545 }
1546 ret = avpkt.size;
1547 avpkt.size = 0;
1548 }
1549
1550 // preprocess audio (volume)
1551 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1552 if (audio_volume != 256) {
1553 short *volp;
1554 volp = samples;
1555 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1556 int v = ((*volp) * audio_volume + 128) >> 8;
1557 if (v < -32768) v = -32768;
1558 if (v > 32767) v = 32767;
1559 *volp++ = v;
1560 }
1561 }
1562 }
1563
1564 /* frame rate emulation */
1565 if (rate_emu) {
1566 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1567 int64_t now = av_gettime() - ist->start;
1568 if (pts > now)
1569 usleep(pts - now);
1570 }
1571 /* if output time reached then transcode raw format,
1572 encode packets and output them */
1573 for (i = 0; i < nb_ostreams; i++) {
1574 OutputFile *of = &output_files[ost_table[i].file_index];
1575 int frame_size;
1576
1577 ost = &ost_table[i];
1578 if (ost->source_index != ist_index)
1579 continue;
1580
1581 if (of->start_time && ist->pts < of->start_time)
1582 continue;
1583
1584 if (of->recording_time != INT64_MAX &&
1585 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1586 (AVRational){1, 1000000}) >= 0) {
1587 ost->is_past_recording_time = 1;
1588 continue;
1589 }
1590
1591 #if CONFIG_AVFILTER
1592 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1593 ost->input_video_filter) {
1594 AVRational sar;
1595 if (ist->st->sample_aspect_ratio.num)
1596 sar = ist->st->sample_aspect_ratio;
1597 else
1598 sar = ist->st->codec->sample_aspect_ratio;
1599 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, ist->pts, sar);
1600 }
1601 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1602 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1603 while (frame_available) {
1604 AVRational ist_pts_tb;
1605 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1606 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1607 if (ost->picref)
1608 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1609 #endif
1610 os = output_files[ost->file_index].ctx;
1611
1612 /* set the input output pts pairs */
1613 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1614
1615 if (ost->encoding_needed) {
1616 av_assert0(ist->decoding_needed);
1617 switch(ost->st->codec->codec_type) {
1618 case AVMEDIA_TYPE_AUDIO:
1619 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1620 break;
1621 case AVMEDIA_TYPE_VIDEO:
1622 #if CONFIG_AVFILTER
1623 if (ost->picref->video && !ost->frame_aspect_ratio)
1624 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1625 #endif
1626 do_video_out(os, ost, ist, &picture, &frame_size,
1627 same_quant ? quality : ost->st->codec->global_quality);
1628 if (vstats_filename && frame_size)
1629 do_video_stats(os, ost, frame_size);
1630 break;
1631 case AVMEDIA_TYPE_SUBTITLE:
1632 do_subtitle_out(os, ost, ist, &subtitle,
1633 pkt->pts);
1634 break;
1635 default:
1636 abort();
1637 }
1638 } else {
1639 AVFrame avframe; //FIXME/XXX remove this
1640 AVPacket opkt;
1641 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1642
1643 av_init_packet(&opkt);
1644
1645 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1646 #if !CONFIG_AVFILTER
1647 continue;
1648 #else
1649 goto cont;
1650 #endif
1651
1652 /* no reencoding needed : output the packet directly */
1653 /* force the input stream PTS */
1654
1655 avcodec_get_frame_defaults(&avframe);
1656 ost->st->codec->coded_frame= &avframe;
1657 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1658
1659 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1660 audio_size += data_size;
1661 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1662 video_size += data_size;
1663 ost->sync_opts++;
1664 }
1665
1666 opkt.stream_index= ost->index;
1667 if(pkt->pts != AV_NOPTS_VALUE)
1668 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1669 else
1670 opkt.pts= AV_NOPTS_VALUE;
1671
1672 if (pkt->dts == AV_NOPTS_VALUE)
1673 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1674 else
1675 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1676 opkt.dts -= ost_tb_start_time;
1677
1678 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1679 opkt.flags= pkt->flags;
1680
1681 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1682 if( ost->st->codec->codec_id != CODEC_ID_H264
1683 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1684 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1685 ) {
1686 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1687 opkt.destruct= av_destruct_packet;
1688 } else {
1689 opkt.data = data_buf;
1690 opkt.size = data_size;
1691 }
1692
1693 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1694 ost->st->codec->frame_number++;
1695 ost->frame_number++;
1696 av_free_packet(&opkt);
1697 }
1698 #if CONFIG_AVFILTER
1699 cont:
1700 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1701 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1702 if (ost->picref)
1703 avfilter_unref_buffer(ost->picref);
1704 }
1705 #endif
1706 }
1707
1708 av_free(buffer_to_free);
1709 /* XXX: allocate the subtitles in the codec ? */
1710 if (subtitle_to_free) {
1711 avsubtitle_free(subtitle_to_free);
1712 subtitle_to_free = NULL;
1713 }
1714 }
1715 discard_packet:
1716 if (pkt == NULL) {
1717 /* EOF handling */
1718
1719 for(i=0;i<nb_ostreams;i++) {
1720 ost = &ost_table[i];
1721 if (ost->source_index == ist_index) {
1722 AVCodecContext *enc= ost->st->codec;
1723 os = output_files[ost->file_index].ctx;
1724
1725 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1726 continue;
1727 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1728 continue;
1729
1730 if (ost->encoding_needed) {
1731 for(;;) {
1732 AVPacket pkt;
1733 int fifo_bytes;
1734 av_init_packet(&pkt);
1735 pkt.stream_index= ost->index;
1736
1737 switch(ost->st->codec->codec_type) {
1738 case AVMEDIA_TYPE_AUDIO:
1739 fifo_bytes = av_fifo_size(ost->fifo);
1740 ret = 0;
1741 /* encode any samples remaining in fifo */
1742 if (fifo_bytes > 0) {
1743 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1744 int fs_tmp = enc->frame_size;
1745
1746 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1747 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1748 enc->frame_size = fifo_bytes / (osize * enc->channels);
1749 } else { /* pad */
1750 int frame_bytes = enc->frame_size*osize*enc->channels;
1751 if (allocated_audio_buf_size < frame_bytes)
1752 exit_program(1);
1753 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1754 }
1755
1756 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1757 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1758 ost->st->time_base.num, enc->sample_rate);
1759 enc->frame_size = fs_tmp;
1760 }
1761 if(ret <= 0) {
1762 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1763 }
1764 if (ret < 0) {
1765 fprintf(stderr, "Audio encoding failed\n");
1766 exit_program(1);
1767 }
1768 audio_size += ret;
1769 pkt.flags |= AV_PKT_FLAG_KEY;
1770 break;
1771 case AVMEDIA_TYPE_VIDEO:
1772 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1773 if (ret < 0) {
1774 fprintf(stderr, "Video encoding failed\n");
1775 exit_program(1);
1776 }
1777 video_size += ret;
1778 if(enc->coded_frame && enc->coded_frame->key_frame)
1779 pkt.flags |= AV_PKT_FLAG_KEY;
1780 if (ost->logfile && enc->stats_out) {
1781 fprintf(ost->logfile, "%s", enc->stats_out);
1782 }
1783 break;
1784 default:
1785 ret=-1;
1786 }
1787
1788 if(ret<=0)
1789 break;
1790 pkt.data= bit_buffer;
1791 pkt.size= ret;
1792 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1793 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1794 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1795 }
1796 }
1797 }
1798 }
1799 }
1800
1801 return 0;
1802 }
1803
1804 static void print_sdp(OutputFile *output_files, int n)
1805 {
1806 char sdp[2048];
1807 int i;
1808 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1809
1810 if (!avc)
1811 exit_program(1);
1812 for (i = 0; i < n; i++)
1813 avc[i] = output_files[i].ctx;
1814
1815 av_sdp_create(avc, n, sdp, sizeof(sdp));
1816 printf("SDP:\n%s\n", sdp);
1817 fflush(stdout);
1818 av_freep(&avc);
1819 }
1820
1821 /*
1822 * The following code is the main loop of the file converter
1823 */
1824 static int transcode(OutputFile *output_files,
1825 int nb_output_files,
1826 InputFile *input_files,
1827 int nb_input_files)
1828 {
1829 int ret = 0, i, j;
1830 AVFormatContext *is, *os;
1831 AVCodecContext *codec, *icodec;
1832 OutputStream *ost;
1833 InputStream *ist;
1834 char error[1024];
1835 int want_sdp = 1;
1836 uint8_t *no_packet;
1837 int no_packet_count=0;
1838 int64_t timer_start;
1839
1840 if (!(no_packet = av_mallocz(nb_input_files)))
1841 exit_program(1);
1842
1843 if (rate_emu)
1844 for (i = 0; i < nb_input_streams; i++)
1845 input_streams[i].start = av_gettime();
1846
1847 /* output stream init */
1848 for(i=0;i<nb_output_files;i++) {
1849 os = output_files[i].ctx;
1850 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1851 av_dump_format(os, i, os->filename, 1);
1852 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1853 ret = AVERROR(EINVAL);
1854 goto fail;
1855 }
1856 }
1857
1858 /* for each output stream, we compute the right encoding parameters */
1859 for (i = 0; i < nb_output_streams; i++) {
1860 ost = &output_streams[i];
1861 os = output_files[ost->file_index].ctx;
1862 ist = &input_streams[ost->source_index];
1863
1864 codec = ost->st->codec;
1865 icodec = ist->st->codec;
1866
1867 ost->st->disposition = ist->st->disposition;
1868 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1869 codec->chroma_sample_location = icodec->chroma_sample_location;
1870
1871 if (ost->st->stream_copy) {
1872 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1873
1874 if (extra_size > INT_MAX)
1875 goto fail;
1876
1877 /* if stream_copy is selected, no need to decode or encode */
1878 codec->codec_id = icodec->codec_id;
1879 codec->codec_type = icodec->codec_type;
1880
1881 if(!codec->codec_tag){
1882 if( !os->oformat->codec_tag
1883 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1884 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1885 codec->codec_tag = icodec->codec_tag;
1886 }
1887
1888 codec->bit_rate = icodec->bit_rate;
1889 codec->rc_max_rate = icodec->rc_max_rate;
1890 codec->rc_buffer_size = icodec->rc_buffer_size;
1891 codec->extradata= av_mallocz(extra_size);
1892 if (!codec->extradata)
1893 goto fail;
1894 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1895 codec->extradata_size= icodec->extradata_size;
1896 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){
1897 codec->time_base = icodec->time_base;
1898 codec->time_base.num *= icodec->ticks_per_frame;
1899 av_reduce(&codec->time_base.num, &codec->time_base.den,
1900 codec->time_base.num, codec->time_base.den, INT_MAX);
1901 }else
1902 codec->time_base = ist->st->time_base;
1903 switch(codec->codec_type) {
1904 case AVMEDIA_TYPE_AUDIO:
1905 if(audio_volume != 256) {
1906 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1907 exit_program(1);
1908 }
1909 codec->channel_layout = icodec->channel_layout;
1910 codec->sample_rate = icodec->sample_rate;
1911 codec->channels = icodec->channels;
1912 codec->frame_size = icodec->frame_size;
1913 codec->audio_service_type = icodec->audio_service_type;
1914 codec->block_align= icodec->block_align;
1915 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1916 codec->block_align= 0;
1917 if(codec->codec_id == CODEC_ID_AC3)
1918 codec->block_align= 0;
1919 break;
1920 case AVMEDIA_TYPE_VIDEO:
1921 codec->pix_fmt = icodec->pix_fmt;
1922 codec->width = icodec->width;
1923 codec->height = icodec->height;
1924 codec->has_b_frames = icodec->has_b_frames;
1925 if (!codec->sample_aspect_ratio.num) {
1926 codec->sample_aspect_ratio =
1927 ost->st->sample_aspect_ratio =
1928 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1929 ist->st->codec->sample_aspect_ratio.num ?
1930 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1931 }
1932 break;
1933 case AVMEDIA_TYPE_SUBTITLE:
1934 codec->width = icodec->width;
1935 codec->height = icodec->height;
1936 break;
1937 case AVMEDIA_TYPE_DATA:
1938 break;
1939 default:
1940 abort();
1941 }
1942 } else {
1943 if (!ost->enc)
1944 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
1945 switch(codec->codec_type) {
1946 case AVMEDIA_TYPE_AUDIO:
1947 ost->fifo= av_fifo_alloc(1024);
1948 if(!ost->fifo)
1949 goto fail;
1950 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
1951 if (!codec->sample_rate) {
1952 codec->sample_rate = icodec->sample_rate;
1953 if (icodec->lowres)
1954 codec->sample_rate >>= icodec->lowres;
1955 }
1956 choose_sample_rate(ost->st, ost->enc);
1957 codec->time_base = (AVRational){1, codec->sample_rate};
1958 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
1959 codec->sample_fmt = icodec->sample_fmt;
1960 choose_sample_fmt(ost->st, ost->enc);
1961 if (!codec->channels)
1962 codec->channels = icodec->channels;
1963 codec->channel_layout = icodec->channel_layout;
1964 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
1965 codec->channel_layout = 0;
1966 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1967 icodec->request_channels = codec->channels;
1968 ist->decoding_needed = 1;
1969 ost->encoding_needed = 1;
1970 ost->resample_sample_fmt = icodec->sample_fmt;
1971 ost->resample_sample_rate = icodec->sample_rate;
1972 ost->resample_channels = icodec->channels;
1973 break;
1974 case AVMEDIA_TYPE_VIDEO:
1975 if (codec->pix_fmt == PIX_FMT_NONE)
1976 codec->pix_fmt = icodec->pix_fmt;
1977 choose_pixel_fmt(ost->st, ost->enc);
1978
1979 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
1980 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
1981 exit_program(1);
1982 }
1983
1984 if (!codec->width || !codec->height) {
1985 codec->width = icodec->width;
1986 codec->height = icodec->height;
1987 }
1988
1989 ost->video_resample = codec->width != icodec->width ||
1990 codec->height != icodec->height ||
1991 codec->pix_fmt != icodec->pix_fmt;
1992 if (ost->video_resample) {
1993 #if !CONFIG_AVFILTER
1994 avcodec_get_frame_defaults(&ost->pict_tmp);
1995 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1996 codec->width, codec->height)) {
1997 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1998 exit_program(1);
1999 }
2000 ost->img_resample_ctx = sws_getContext(
2001 icodec->width,
2002 icodec->height,
2003 icodec->pix_fmt,
2004 codec->width,
2005 codec->height,
2006 codec->pix_fmt,
2007 ost->sws_flags, NULL, NULL, NULL);
2008 if (ost->img_resample_ctx == NULL) {
2009 fprintf(stderr, "Cannot get resampling context\n");
2010 exit_program(1);
2011 }
2012 #endif
2013 codec->bits_per_raw_sample= 0;
2014 }
2015
2016 ost->resample_height = icodec->height;
2017 ost->resample_width = icodec->width;
2018 ost->resample_pix_fmt= icodec->pix_fmt;
2019 ost->encoding_needed = 1;
2020 ist->decoding_needed = 1;
2021
2022 if (!ost->frame_rate.num)
2023 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2024 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2025 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2026 ost->frame_rate = ost->enc->supported_framerates[idx];
2027 }
2028 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2029
2030 #if CONFIG_AVFILTER
2031 if (configure_video_filters(ist, ost)) {
2032 fprintf(stderr, "Error opening filters!\n");
2033 exit(1);
2034 }
2035 #endif
2036 break;
2037 case AVMEDIA_TYPE_SUBTITLE:
2038 ost->encoding_needed = 1;
2039 ist->decoding_needed = 1;
2040 break;
2041 default:
2042 abort();
2043 break;
2044 }
2045 /* two pass mode */
2046 if (ost->encoding_needed &&
2047 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2048 char logfilename[1024];
2049 FILE *f;
2050
2051 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2052 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2053 i);
2054 if (codec->flags & CODEC_FLAG_PASS1) {
2055 f = fopen(logfilename, "wb");
2056 if (!f) {
2057 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2058 exit_program(1);
2059 }
2060 ost->logfile = f;
2061 } else {
2062 char *logbuffer;
2063 size_t logbuffer_size;
2064 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2065 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2066 exit_program(1);
2067 }
2068 codec->stats_in = logbuffer;
2069 }
2070 }
2071 }
2072 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2073 int size= codec->width * codec->height;
2074 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2075 }
2076 }
2077
2078 if (!bit_buffer)
2079 bit_buffer = av_malloc(bit_buffer_size);
2080 if (!bit_buffer) {
2081 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2082 bit_buffer_size);
2083 ret = AVERROR(ENOMEM);
2084 goto fail;
2085 }
2086
2087 /* open each encoder */
2088 for (i = 0; i < nb_output_streams; i++) {
2089 ost = &output_streams[i];
2090 if (ost->encoding_needed) {
2091 AVCodec *codec = ost->enc;
2092 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2093 if (!codec) {
2094 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2095 ost->st->codec->codec_id, ost->file_index, ost->index);
2096 ret = AVERROR(EINVAL);
2097 goto dump_format;
2098 }
2099 if (dec->subtitle_header) {
2100 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2101 if (!ost->st->codec->subtitle_header) {
2102 ret = AVERROR(ENOMEM);
2103 goto dump_format;
2104 }
2105 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2106 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2107 }
2108 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2109 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2110 ost->file_index, ost->index);
2111 ret = AVERROR(EINVAL);
2112 goto dump_format;
2113 }
2114 assert_codec_experimental(ost->st->codec, 1);
2115 assert_avoptions(ost->opts);
2116 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2117 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2118 "It takes bits/s as argument, not kbits/s\n");
2119 extra_size += ost->st->codec->extradata_size;
2120 }
2121 }
2122
2123 /* open each decoder */
2124 for (i = 0; i < nb_input_streams; i++) {
2125 ist = &input_streams[i];
2126 if (ist->decoding_needed) {
2127 AVCodec *codec = ist->dec;
2128 if (!codec)
2129 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2130 if (!codec) {
2131 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2132 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2133 ret = AVERROR(EINVAL);
2134 goto dump_format;
2135 }
2136
2137 /* update requested sample format for the decoder based on the
2138 corresponding encoder sample format */
2139 for (j = 0; j < nb_output_streams; j++) {
2140 ost = &output_streams[j];
2141 if (ost->source_index == i) {
2142 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2143 break;
2144 }
2145 }
2146
2147 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2148 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2149 ist->file_index, ist->st->index);
2150 ret = AVERROR(EINVAL);
2151 goto dump_format;
2152 }
2153 assert_codec_experimental(ist->st->codec, 0);
2154 assert_avoptions(ost->opts);
2155 }
2156 }
2157
2158 /* init pts */
2159 for (i = 0; i < nb_input_streams; i++) {
2160 AVStream *st;
2161 ist = &input_streams[i];
2162 st= ist->st;
2163 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2164 ist->next_pts = AV_NOPTS_VALUE;
2165 init_pts_correction(&ist->pts_ctx);
2166 ist->is_start = 1;
2167 }
2168
2169 /* open files and write file headers */
2170 for (i = 0; i < nb_output_files; i++) {
2171 os = output_files[i].ctx;
2172 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2173 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2174 ret = AVERROR(EINVAL);
2175 goto dump_format;
2176 }
2177 assert_avoptions(output_files[i].opts);
2178 if (strcmp(os->oformat->name, "rtp")) {
2179 want_sdp = 0;
2180 }
2181 }
2182
2183 dump_format:
2184 /* dump the file output parameters - cannot be done before in case
2185 of stream copy */
2186 for(i=0;i<nb_output_files;i++) {
2187 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2188 }
2189
2190 /* dump the stream mapping */
2191 if (verbose >= 0) {
2192 fprintf(stderr, "Stream mapping:\n");
2193 for (i = 0; i < nb_output_streams;i ++) {
2194 ost = &output_streams[i];
2195 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2196 input_streams[ost->source_index].file_index,
2197 input_streams[ost->source_index].st->index,
2198 ost->file_index,
2199 ost->index);
2200 if (ost->sync_ist != &input_streams[ost->source_index])
2201 fprintf(stderr, " [sync #%d.%d]",
2202 ost->sync_ist->file_index,
2203 ost->sync_ist->st->index);
2204 if (ost->st->stream_copy)
2205 fprintf(stderr, " (copy)");
2206 fprintf(stderr, "\n");
2207 }
2208 }
2209
2210 if (ret) {
2211 fprintf(stderr, "%s\n", error);
2212 goto fail;
2213 }
2214
2215 if (want_sdp) {
2216 print_sdp(output_files, nb_output_files);
2217 }
2218
2219 if (verbose >= 0)
2220 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2221 term_init();
2222
2223 timer_start = av_gettime();
2224
2225 for(; received_sigterm == 0;) {
2226 int file_index, ist_index;
2227 AVPacket pkt;
2228 int64_t ipts_min;
2229 double opts_min;
2230
2231 redo:
2232 ipts_min = INT64_MAX;
2233 opts_min= 1e100;
2234
2235 /* select the stream that we must read now by looking at the
2236 smallest output pts */
2237 file_index = -1;
2238 for (i = 0; i < nb_output_streams; i++) {
2239 int64_t ipts;
2240 double opts;
2241 ost = &output_streams[i];
2242 os = output_files[ost->file_index].ctx;
2243 ist = &input_streams[ost->source_index];
2244 if(ost->is_past_recording_time || no_packet[ist->file_index])
2245 continue;
2246 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2247 ipts = ist->pts;
2248 if (!input_files[ist->file_index].eof_reached){
2249 if(ipts < ipts_min) {
2250 ipts_min = ipts;
2251 if(input_sync ) file_index = ist->file_index;
2252 }
2253 if(opts < opts_min) {
2254 opts_min = opts;
2255 if(!input_sync) file_index = ist->file_index;
2256 }
2257 }
2258 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2259 file_index= -1;
2260 break;
2261 }
2262 }
2263 /* if none, if is finished */
2264 if (file_index < 0) {
2265 if(no_packet_count){
2266 no_packet_count=0;
2267 memset(no_packet, 0, nb_input_files);
2268 usleep(10000);
2269 continue;
2270 }
2271 break;
2272 }
2273
2274 /* finish if limit size exhausted */
2275 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0].ctx->pb))
2276 break;
2277
2278 /* read a frame from it and output it in the fifo */
2279 is = input_files[file_index].ctx;
2280 ret= av_read_frame(is, &pkt);
2281 if(ret == AVERROR(EAGAIN)){
2282 no_packet[file_index]=1;
2283 no_packet_count++;
2284 continue;
2285 }
2286 if (ret < 0) {
2287 input_files[file_index].eof_reached = 1;
2288 if (opt_shortest)
2289 break;
2290 else
2291 continue;
2292 }
2293
2294 no_packet_count=0;
2295 memset(no_packet, 0, nb_input_files);
2296
2297 if (do_pkt_dump) {
2298 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2299 is->streams[pkt.stream_index]);
2300 }
2301 /* the following test is needed in case new streams appear
2302 dynamically in stream : we ignore them */
2303 if (pkt.stream_index >= input_files[file_index].ctx->nb_streams)
2304 goto discard_packet;
2305 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2306 ist = &input_streams[ist_index];
2307 if (ist->discard)
2308 goto discard_packet;
2309
2310 if (pkt.dts != AV_NOPTS_VALUE)
2311 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2312 if (pkt.pts != AV_NOPTS_VALUE)
2313 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2314
2315 if (ist->ts_scale) {
2316 if(pkt.pts != AV_NOPTS_VALUE)
2317 pkt.pts *= ist->ts_scale;
2318 if(pkt.dts != AV_NOPTS_VALUE)
2319 pkt.dts *= ist->ts_scale;
2320 }
2321
2322 // 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);
2323 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2324 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2325 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2326 int64_t delta= pkt_dts - ist->next_pts;
2327 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2328 input_files[ist->file_index].ts_offset -= delta;
2329 if (verbose > 2)
2330 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2331 delta, input_files[ist->file_index].ts_offset);
2332 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2333 if(pkt.pts != AV_NOPTS_VALUE)
2334 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2335 }
2336 }
2337
2338 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2339 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2340
2341 if (verbose >= 0)
2342 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2343 ist->file_index, ist->st->index);
2344 if (exit_on_error)
2345 exit_program(1);
2346 av_free_packet(&pkt);
2347 goto redo;
2348 }
2349
2350 discard_packet:
2351 av_free_packet(&pkt);
2352
2353 /* dump report by using the output first video and audio streams */
2354 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2355 }
2356
2357 /* at the end of stream, we must flush the decoder buffers */
2358 for (i = 0; i < nb_input_streams; i++) {
2359 ist = &input_streams[i];
2360 if (ist->decoding_needed) {
2361 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2362 }
2363 }
2364
2365 term_exit();
2366
2367 /* write the trailer if needed and close file */
2368 for(i=0;i<nb_output_files;i++) {
2369 os = output_files[i].ctx;
2370 av_write_trailer(os);
2371 }
2372
2373 /* dump report by using the first video and audio streams */
2374 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2375
2376 /* close each encoder */
2377 for (i = 0; i < nb_output_streams; i++) {
2378 ost = &output_streams[i];
2379 if (ost->encoding_needed) {
2380 av_freep(&ost->st->codec->stats_in);
2381 avcodec_close(ost->st->codec);
2382 }
2383 #if CONFIG_AVFILTER
2384 avfilter_graph_free(&ost->graph);
2385 #endif
2386 }
2387
2388 /* close each decoder */
2389 for (i = 0; i < nb_input_streams; i++) {
2390 ist = &input_streams[i];
2391 if (ist->decoding_needed) {
2392 avcodec_close(ist->st->codec);
2393 }
2394 }
2395
2396 /* finished ! */
2397 ret = 0;
2398
2399 fail:
2400 av_freep(&bit_buffer);
2401 av_freep(&no_packet);
2402
2403 if (output_streams) {
2404 for (i = 0; i < nb_output_streams; i++) {
2405 ost = &output_streams[i];
2406 if (ost) {
2407 if (ost->st->stream_copy)
2408 av_freep(&ost->st->codec->extradata);
2409 if (ost->logfile) {
2410 fclose(ost->logfile);
2411 ost->logfile = NULL;
2412 }
2413 av_fifo_free(ost->fifo); /* works even if fifo is not
2414 initialized but set to zero */
2415 av_freep(&ost->st->codec->subtitle_header);
2416 av_free(ost->pict_tmp.data[0]);
2417 av_free(ost->forced_kf_pts);
2418 if (ost->video_resample)
2419 sws_freeContext(ost->img_resample_ctx);
2420 if (ost->resample)
2421 audio_resample_close(ost->resample);
2422 if (ost->reformat_ctx)
2423 av_audio_convert_free(ost->reformat_ctx);
2424 av_dict_free(&ost->opts);
2425 }
2426 }
2427 }
2428 return ret;
2429 }
2430
2431 static int opt_format(const char *opt, const char *arg)
2432 {
2433 last_asked_format = arg;
2434 return 0;
2435 }
2436
2437 static int opt_video_rc_override_string(const char *opt, const char *arg)
2438 {
2439 video_rc_override_string = arg;
2440 return 0;
2441 }
2442
2443 static int opt_me_threshold(const char *opt, const char *arg)
2444 {
2445 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2446 return 0;
2447 }
2448
2449 static int opt_verbose(const char *opt, const char *arg)
2450 {
2451 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2452 return 0;
2453 }
2454
2455 static int opt_frame_rate(const char *opt, const char *arg)
2456 {
2457 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2458 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2459 exit_program(1);
2460 }
2461 return 0;
2462 }
2463
2464 static int opt_frame_crop(const char *opt, const char *arg)
2465 {
2466 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2467 return AVERROR(EINVAL);
2468 }
2469
2470 static int opt_frame_size(const char *opt, const char *arg)
2471 {
2472 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2473 fprintf(stderr, "Incorrect frame size\n");
2474 return AVERROR(EINVAL);
2475 }
2476 return 0;
2477 }
2478
2479 static int opt_pad(const char *opt, const char *arg) {
2480 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2481 return -1;
2482 }
2483
2484 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2485 {
2486 if (strcmp(arg, "list")) {
2487 frame_pix_fmt = av_get_pix_fmt(arg);
2488 if (frame_pix_fmt == PIX_FMT_NONE) {
2489 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2490 return AVERROR(EINVAL);
2491 }
2492 } else {
2493 show_pix_fmts();
2494 exit_program(0);
2495 }
2496 return 0;
2497 }
2498
2499 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2500 {
2501 int x = 0, y = 0;
2502 double ar = 0;
2503 const char *p;
2504 char *end;
2505
2506 p = strchr(arg, ':');
2507 if (p) {
2508 x = strtol(arg, &end, 10);
2509 if (end == p)
2510 y = strtol(end+1, &end, 10);
2511 if (x > 0 && y > 0)
2512 ar = (double)x / (double)y;
2513 } else
2514 ar = strtod(arg, NULL);
2515
2516 if (!ar) {
2517 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2518 return AVERROR(EINVAL);
2519 }
2520 frame_aspect_ratio = ar;
2521 return 0;
2522 }
2523
2524 static int opt_metadata(const char *opt, const char *arg)
2525 {
2526 char *mid= strchr(arg, '=');
2527
2528 if(!mid){
2529 fprintf(stderr, "Missing =\n");
2530 exit_program(1);
2531 }
2532 *mid++= 0;
2533
2534 av_dict_set(&metadata, arg, mid, 0);
2535
2536 return 0;
2537 }
2538
2539 static int opt_qscale(const char *opt, const char *arg)
2540 {
2541 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2542 if (video_qscale == 0) {
2543 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2544 return AVERROR(EINVAL);
2545 }
2546 return 0;
2547 }
2548
2549 static int opt_top_field_first(const char *opt, const char *arg)
2550 {
2551 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2552 return 0;
2553 }
2554
2555 static int opt_thread_count(const char *opt, const char *arg)
2556 {
2557 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2558 #if !HAVE_THREADS
2559 if (verbose >= 0)
2560 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2561 #endif
2562 return 0;
2563 }
2564
2565 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2566 {
2567 if (strcmp(arg, "list")) {
2568 audio_sample_fmt = av_get_sample_fmt(arg);
2569 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2570 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2571 return AVERROR(EINVAL);
2572 }
2573 } else {
2574 int i;
2575 char fmt_str[128];
2576 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2577 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2578 exit_program(0);
2579 }
2580 return 0;
2581 }
2582
2583 static int opt_audio_rate(const char *opt, const char *arg)
2584 {
2585 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2586 return 0;
2587 }
2588
2589 static int opt_audio_channels(const char *opt, const char *arg)
2590 {
2591 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2592 return 0;
2593 }
2594
2595 static int opt_codec(const char *opt, const char *arg)
2596 {
2597 return av_dict_set(&codec_names, opt, arg, 0);
2598 }
2599
2600 static int opt_audio_codec(const char *opt, const char *arg)
2601 {
2602 return opt_codec("codec:a", arg);
2603 }
2604
2605 static int opt_video_codec(const char *opt, const char *arg)
2606 {
2607 return opt_codec("codec:v", arg);
2608 }
2609
2610 static int opt_subtitle_codec(const char *opt, const char *arg)
2611 {
2612 return opt_codec("codec:s", arg);
2613 }
2614
2615 static int opt_data_codec(const char *opt, const char *arg)
2616 {
2617 return opt_codec("codec:d", arg);
2618 }
2619
2620 static int opt_codec_tag(const char *opt, const char *arg)
2621 {
2622 char *tail;
2623 uint32_t *codec_tag;
2624
2625 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2626 !strcmp(opt, "vtag") ? &video_codec_tag :
2627 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2628 if (!codec_tag)
2629 return -1;
2630
2631 *codec_tag = strtol(arg, &tail, 0);
2632 if (!tail || *tail)
2633 *codec_tag = AV_RL32(arg);
2634
2635 return 0;
2636 }
2637
2638 static int opt_map(const char *opt, const char *arg)
2639 {
2640 StreamMap *m = NULL;
2641 int i, negative = 0, file_idx;
2642 int sync_file_idx = -1, sync_stream_idx;
2643 char *p, *sync;
2644 char *map;
2645
2646 if (*arg == '-') {
2647 negative = 1;
2648 arg++;
2649 }
2650 map = av_strdup(arg);
2651
2652 /* parse sync stream first, just pick first matching stream */
2653 if (sync = strchr(map, ',')) {
2654 *sync = 0;
2655 sync_file_idx = strtol(sync + 1, &sync, 0);
2656 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2657 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2658 exit_program(1);
2659 }
2660 if (*sync)
2661 sync++;
2662 for (i = 0; i < input_files[sync_file_idx].ctx->nb_streams; i++)
2663 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2664 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2665 sync_stream_idx = i;
2666 break;
2667 }
2668 if (i == input_files[sync_file_idx].ctx->nb_streams) {
2669 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2670 "match any streams.\n", arg);
2671 exit_program(1);
2672 }
2673 }
2674
2675
2676 file_idx = strtol(map, &p, 0);
2677 if (file_idx >= nb_input_files || file_idx < 0) {
2678 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2679 exit_program(1);
2680 }
2681 if (negative)
2682 /* disable some already defined maps */
2683 for (i = 0; i < nb_stream_maps; i++) {
2684 m = &stream_maps[i];
2685 if (check_stream_specifier(input_files[m->file_index].ctx,
2686 input_files[m->file_index].ctx->streams[m->stream_index],
2687 *p == ':' ? p + 1 : p) > 0)
2688 m->disabled = 1;
2689 }
2690 else
2691 for (i = 0; i < input_files[file_idx].ctx->nb_streams; i++) {
2692 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2693 *p == ':' ? p + 1 : p) <= 0)
2694 continue;
2695 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2696 m = &stream_maps[nb_stream_maps - 1];
2697
2698 m->file_index = file_idx;
2699 m->stream_index = i;
2700
2701 if (sync_file_idx >= 0) {
2702 m->sync_file_index = sync_file_idx;
2703 m->sync_stream_index = sync_stream_idx;
2704 } else {
2705 m->sync_file_index = file_idx;
2706 m->sync_stream_index = i;
2707 }
2708 }
2709
2710 if (!m) {
2711 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2712 exit_program(1);
2713 }
2714
2715 av_freep(&map);
2716 return 0;
2717 }
2718
2719 static void parse_meta_type(char *arg, char *type, int *index)
2720 {
2721 if (*arg == ':') {
2722 *type = *(++arg);
2723 switch (*arg) {
2724 case 'g':
2725 break;
2726 case 's':
2727 case 'c':
2728 case 'p':
2729 if (*(++arg) == ':')
2730 *index = strtol(++arg, NULL, 0);
2731 break;
2732 default:
2733 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2734 exit_program(1);
2735 }
2736 } else
2737 *type = 'g';
2738 }
2739
2740 static int opt_map_metadata(const char *opt, const char *arg)
2741 {
2742 MetadataMap *m, *m1;
2743 char *p;
2744
2745 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2746 &nb_meta_data_maps, nb_meta_data_maps + 1);
2747
2748 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2749 m->file = strtol(arg, &p, 0);
2750 parse_meta_type(p, &m->type, &m->index);
2751
2752 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2753 if (p = strchr(opt, ':'))
2754 parse_meta_type(p, &m1->type, &m1->index);
2755 else
2756 m1->type = 'g';
2757
2758 if (m->type == 'g' || m1->type == 'g')
2759 metadata_global_autocopy = 0;
2760 if (m->type == 's' || m1->type == 's')
2761 metadata_streams_autocopy = 0;
2762 if (m->type == 'c' || m1->type == 'c')
2763 metadata_chapters_autocopy = 0;
2764
2765 return 0;
2766 }
2767
2768 static int opt_input_ts_scale(const char *opt, const char *arg)
2769 {
2770 return av_dict_set(&ts_scale, opt, arg, 0);
2771 }
2772
2773 static int opt_recording_time(const char *opt, const char *arg)
2774 {
2775 recording_time = parse_time_or_die(opt, arg, 1);
2776 return 0;
2777 }
2778
2779 static int opt_start_time(const char *opt, const char *arg)
2780 {
2781 start_time = parse_time_or_die(opt, arg, 1);
2782 return 0;
2783 }
2784
2785 static int opt_input_ts_offset(const char *opt, const char *arg)
2786 {
2787 input_ts_offset = parse_time_or_die(opt, arg, 1);
2788 return 0;
2789 }
2790
2791 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2792 {
2793 const char *codec_string = encoder ? "encoder" : "decoder";
2794 AVCodec *codec;
2795
2796 if(!name)
2797 return CODEC_ID_NONE;
2798 codec = encoder ?
2799 avcodec_find_encoder_by_name(name) :
2800 avcodec_find_decoder_by_name(name);
2801 if(!codec) {
2802 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2803 exit_program(1);
2804 }
2805 if(codec->type != type) {
2806 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2807 exit_program(1);
2808 }
2809 return codec->id;
2810 }
2811
2812 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
2813 {
2814 AVDictionaryEntry *e = NULL;
2815 char *codec_name = NULL;
2816 int ret;
2817
2818 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
2819 char *p = strchr(e->key, ':');
2820
2821 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
2822 codec_name = e->value;
2823 else if (ret < 0)
2824 exit_program(1);
2825 }
2826
2827 if (!codec_name) {
2828 if (s->oformat) {
2829 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2830 return avcodec_find_encoder(st->codec->codec_id);
2831 }
2832 } else if (!strcmp(codec_name, "copy"))
2833 st->stream_copy = 1;
2834 else {
2835 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2836 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2837 avcodec_find_decoder_by_name(codec_name);
2838 }
2839
2840 return NULL;
2841 }
2842
2843 /**
2844 * Add all the streams from the given input file to the global
2845 * list of input streams.
2846 */
2847 static void add_input_streams(AVFormatContext *ic)
2848 {
2849 int i, rfps, rfps_base, ret;
2850
2851 for (i = 0; i < ic->nb_streams; i++) {
2852 AVStream *st = ic->streams[i];
2853 AVCodecContext *dec = st->codec;
2854 AVDictionaryEntry *e = NULL;
2855 InputStream *ist;
2856 char *scale = NULL;
2857
2858 dec->thread_count = thread_count;
2859
2860 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2861 ist = &input_streams[nb_input_streams - 1];
2862 ist->st = st;
2863 ist->file_index = nb_input_files;
2864 ist->discard = 1;
2865 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2866
2867 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
2868 char *p = strchr(e->key, ':');
2869
2870 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
2871 scale = e->value;
2872 else if (ret < 0)
2873 exit_program(1);
2874 }
2875 if (scale)
2876 ist->ts_scale = strtod(scale, NULL);
2877
2878 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
2879
2880 switch (dec->codec_type) {
2881 case AVMEDIA_TYPE_AUDIO:
2882 if(audio_disable)
2883 st->discard= AVDISCARD_ALL;
2884 break;
2885 case AVMEDIA_TYPE_VIDEO:
2886 rfps = ic->streams[i]->r_frame_rate.num;
2887 rfps_base = ic->streams[i]->r_frame_rate.den;
2888 if (dec->lowres) {
2889 dec->flags |= CODEC_FLAG_EMU_EDGE;
2890 dec->height >>= dec->lowres;
2891 dec->width >>= dec->lowres;
2892 }
2893 if(me_threshold)
2894 dec->debug |= FF_DEBUG_MV;
2895
2896 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2897
2898 if (verbose >= 0)
2899 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2900 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2901
2902 (float)rfps / rfps_base, rfps, rfps_base);
2903 }
2904
2905 if(video_disable)
2906 st->discard= AVDISCARD_ALL;
2907 else if(video_discard)
2908 st->discard= video_discard;
2909 break;
2910 case AVMEDIA_TYPE_DATA:
2911 break;
2912 case AVMEDIA_TYPE_SUBTITLE:
2913 if(subtitle_disable)
2914 st->discard = AVDISCARD_ALL;
2915 break;
2916 case AVMEDIA_TYPE_ATTACHMENT:
2917 case AVMEDIA_TYPE_UNKNOWN:
2918 break;
2919 default:
2920 abort();
2921 }
2922 }
2923 }
2924
2925 static int opt_input_file(const char *opt, const char *filename)
2926 {
2927 AVFormatContext *ic;
2928 AVInputFormat *file_iformat = NULL;
2929 int err, i, ret;
2930 int64_t timestamp;
2931 uint8_t buf[128];
2932 AVDictionary **opts;
2933 int orig_nb_streams; // number of streams before avformat_find_stream_info
2934
2935 if (last_asked_format) {
2936 if (!(file_iformat = av_find_input_format(last_asked_format))) {
2937 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
2938 exit_program(1);
2939 }
2940 last_asked_format = NULL;
2941 }
2942
2943 if (!strcmp(filename, "-"))
2944 filename = "pipe:";
2945
2946 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2947 !strcmp(filename, "/dev/stdin");
2948
2949 /* get default parameters from command line */
2950 ic = avformat_alloc_context();
2951 if (!ic) {
2952 print_error(filename, AVERROR(ENOMEM));
2953 exit_program(1);
2954 }
2955 if (audio_sample_rate) {
2956 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
2957 av_dict_set(&format_opts, "sample_rate", buf, 0);
2958 }
2959 if (audio_channels) {
2960 snprintf(buf, sizeof(buf), "%d", audio_channels);
2961 av_dict_set(&format_opts, "channels", buf, 0);
2962 }
2963 if (frame_rate.num) {
2964 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
2965 av_dict_set(&format_opts, "framerate", buf, 0);
2966 }
2967 if (frame_width && frame_height) {
2968 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
2969 av_dict_set(&format_opts, "video_size", buf, 0);
2970 }
2971 if (frame_pix_fmt != PIX_FMT_NONE)
2972 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
2973
2974 ic->flags |= AVFMT_FLAG_NONBLOCK;
2975
2976 /* open the input file with generic libav function */
2977 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2978 if (err < 0) {
2979 print_error(filename, err);
2980 exit_program(1);
2981 }
2982 assert_avoptions(format_opts);
2983
2984 if(opt_programid) {
2985 int i, j;
2986 int found=0;
2987 for(i=0; i<ic->nb_streams; i++){
2988 ic->streams[i]->discard= AVDISCARD_ALL;
2989 }
2990 for(i=0; i<ic->nb_programs; i++){
2991 AVProgram *p= ic->programs[i];
2992 if(p->id != opt_programid){
2993 p->discard = AVDISCARD_ALL;
2994 }else{
2995 found=1;
2996 for(j=0; j<p->nb_stream_indexes; j++){
2997 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
2998 }
2999 }
3000 }
3001 if(!found){
3002 fprintf(stderr, "Specified program id not found\n");
3003 exit_program(1);
3004 }
3005 opt_programid=0;
3006 }
3007
3008 /* apply forced codec ids */
3009 for (i = 0; i < ic->nb_streams; i++)
3010 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
3011
3012 /* Set AVCodecContext options for avformat_find_stream_info */
3013 opts = setup_find_stream_info_opts(ic, codec_opts);
3014 orig_nb_streams = ic->nb_streams;
3015
3016 /* If not enough info to get the stream parameters, we decode the
3017 first frames to get it. (used in mpeg case for example) */
3018 ret = avformat_find_stream_info(ic, opts);
3019 if (ret < 0 && verbose >= 0) {
3020 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3021 av_close_input_file(ic);
3022 exit_program(1);
3023 }
3024
3025 timestamp = start_time;
3026 /* add the stream start time */
3027 if (ic->start_time != AV_NOPTS_VALUE)
3028 timestamp += ic->start_time;
3029
3030 /* if seeking requested, we execute it */
3031 if (start_time != 0) {
3032 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3033 if (ret < 0) {
3034 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3035 filename, (double)timestamp / AV_TIME_BASE);
3036 }
3037 /* reset seek info */
3038 start_time = 0;
3039 }
3040
3041 /* update the current parameters so that they match the one of the input stream */
3042 add_input_streams(ic);
3043
3044 /* dump the file content */
3045 if (verbose >= 0)
3046 av_dump_format(ic, nb_input_files, filename, 0);
3047
3048 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3049 input_files[nb_input_files - 1].ctx = ic;
3050 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3051 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3052
3053 frame_rate = (AVRational){0, 0};
3054 frame_pix_fmt = PIX_FMT_NONE;
3055 frame_height = 0;
3056 frame_width = 0;
3057 audio_sample_rate = 0;
3058 audio_channels = 0;
3059 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3060 av_dict_free(&ts_scale);
3061
3062 for (i = 0; i < orig_nb_streams; i++)
3063 av_dict_free(&opts[i]);
3064 av_freep(&opts);
3065 av_dict_free(&codec_names);
3066 uninit_opts();
3067 init_opts();
3068 return 0;
3069 }
3070
3071 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3072 AVCodecContext *avctx)
3073 {
3074 char *p;
3075 int n = 1, i;
3076 int64_t t;
3077
3078 for (p = kf; *p; p++)
3079 if (*p == ',')
3080 n++;
3081 ost->forced_kf_count = n;
3082 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3083 if (!ost->forced_kf_pts) {
3084 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3085 exit_program(1);
3086 }
3087 for (i = 0; i < n; i++) {
3088 p = i ? strchr(p, ',') + 1 : kf;
3089 t = parse_time_or_die("force_key_frames", p, 1);
3090 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3091 }
3092 }
3093
3094 static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type)
3095 {
3096 OutputStream *ost;
3097 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3098 int idx = oc->nb_streams - 1;
3099
3100 if (!st) {
3101 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3102 exit_program(1);
3103 }
3104
3105 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3106 nb_output_streams + 1);
3107 ost = &output_streams[nb_output_streams - 1];
3108 ost->file_index = nb_output_files;
3109 ost->index = idx;
3110 ost->st = st;
3111 st->codec->codec_type = type;
3112 ost->enc = choose_codec(oc, st, type, codec_names);
3113 if (ost->enc) {
3114 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3115 }
3116
3117 avcodec_get_context_defaults3(st->codec, ost->enc);
3118 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3119
3120 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3121 return ost;
3122 }
3123
3124 static OutputStream *new_video_stream(AVFormatContext *oc)
3125 {
3126 AVStream *st;
3127 OutputStream *ost;
3128 AVCodecContext *video_enc;
3129
3130 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO);
3131 st = ost->st;
3132 if (!st->stream_copy) {
3133 ost->frame_aspect_ratio = frame_aspect_ratio;
3134 frame_aspect_ratio = 0;
3135 #if CONFIG_AVFILTER
3136 ost->avfilter= vfilters;
3137 vfilters = NULL;
3138 #endif
3139 }
3140
3141 ost->bitstream_filters = video_bitstream_filters;
3142 video_bitstream_filters= NULL;
3143
3144 st->codec->thread_count= thread_count;
3145
3146 video_enc = st->codec;
3147
3148 if(video_codec_tag)
3149 video_enc->codec_tag= video_codec_tag;
3150
3151 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3152 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3153 }
3154
3155 if (st->stream_copy) {
3156 video_enc->sample_aspect_ratio =
3157 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3158 } else {
3159 const char *p;
3160 int i;
3161
3162 if (frame_rate.num)
3163 ost->frame_rate = frame_rate;
3164
3165 video_enc->width = frame_width;
3166 video_enc->height = frame_height;
3167 video_enc->pix_fmt = frame_pix_fmt;
3168 st->sample_aspect_ratio = video_enc-></