avconv: save two levels of indentation in flush_encoders()
[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 audio_sample_rate = 0;
147 #define QSCALE_NONE -99999
148 static float audio_qscale = QSCALE_NONE;
149 static int audio_disable = 0;
150 static int audio_channels = 0;
151 static unsigned int audio_codec_tag = 0;
152 static char *audio_language = NULL;
153
154 static int subtitle_disable = 0;
155 static char *subtitle_language = NULL;
156 static unsigned int subtitle_codec_tag = 0;
157
158 static int data_disable = 0;
159 static unsigned int data_codec_tag = 0;
160
161 static float mux_preload= 0.5;
162 static float mux_max_delay= 0.7;
163
164 static int64_t recording_time = INT64_MAX;
165 static int64_t start_time = 0;
166 static int64_t input_ts_offset = 0;
167 static int file_overwrite = 0;
168 static AVDictionary *metadata;
169 static int do_benchmark = 0;
170 static int do_hex_dump = 0;
171 static int do_pkt_dump = 0;
172 static int do_psnr = 0;
173 static int do_pass = 0;
174 static char *pass_logfilename_prefix = NULL;
175 static int video_sync_method= -1;
176 static int audio_sync_method= 0;
177 static float audio_drift_threshold= 0.1;
178 static int copy_ts= 0;
179 static int copy_tb;
180 static int opt_shortest = 0;
181 static char *vstats_filename;
182 static FILE *vstats_file;
183 static int opt_programid = 0;
184 static int copy_initial_nonkeyframes = 0;
185
186 static int rate_emu = 0;
187
188 static int audio_volume = 256;
189
190 static int exit_on_error = 0;
191 static int using_stdin = 0;
192 static int verbose = 1;
193 static int thread_count= 1;
194 static int64_t video_size = 0;
195 static int64_t audio_size = 0;
196 static int64_t extra_size = 0;
197 static int nb_frames_dup = 0;
198 static int nb_frames_drop = 0;
199 static int input_sync;
200 static uint64_t limit_filesize = 0;
201 static int force_fps = 0;
202 static char *forced_key_frames = NULL;
203
204 static float dts_delta_threshold = 10;
205
206 static uint8_t *audio_buf;
207 static uint8_t *audio_out;
208 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
209
210 static short *samples;
211
212 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
213 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
214 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
215
216 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
217
218 typedef struct InputStream {
219 int file_index;
220 AVStream *st;
221 int discard; /* true if stream data should be discarded */
222 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
223 AVCodec *dec;
224
225 int64_t start; /* time when read started */
226 int64_t next_pts; /* synthetic pts for cases where pkt.pts
227 is not defined */
228 int64_t pts; /* current pts */
229 PtsCorrectionContext pts_ctx;
230 double ts_scale;
231 int is_start; /* is 1 at the start and after a discontinuity */
232 int showed_multi_packet_warning;
233 AVDictionary *opts;
234 } InputStream;
235
236 typedef struct InputFile {
237 AVFormatContext *ctx;
238 int eof_reached; /* true if eof reached */
239 int ist_index; /* index of first stream in ist_table */
240 int buffer_size; /* current total buffer size */
241 int64_t ts_offset;
242 } InputFile;
243
244 typedef struct OutputStream {
245 int file_index; /* file index */
246 int index; /* stream index in the output file */
247 int source_index; /* InputStream index */
248 AVStream *st; /* stream in the output file */
249 int encoding_needed; /* true if encoding needed for this stream */
250 int frame_number;
251 /* input pts and corresponding output pts
252 for A/V sync */
253 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
254 struct InputStream *sync_ist; /* input stream to sync against */
255 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
256 AVBitStreamFilterContext *bitstream_filters;
257 AVCodec *enc;
258
259 /* video only */
260 int video_resample;
261 AVFrame pict_tmp; /* temporary image for resampling */
262 struct SwsContext *img_resample_ctx; /* for image resampling */
263 int resample_height;
264 int resample_width;
265 int resample_pix_fmt;
266 AVRational frame_rate;
267
268 float frame_aspect_ratio;
269
270 /* forced key frames */
271 int64_t *forced_kf_pts;
272 int forced_kf_count;
273 int forced_kf_index;
274
275 /* audio only */
276 int audio_resample;
277 ReSampleContext *resample; /* for audio resampling */
278 int resample_sample_fmt;
279 int resample_channels;
280 int resample_sample_rate;
281 int reformat_pair;
282 AVAudioConvert *reformat_ctx;
283 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
284 FILE *logfile;
285
286 #if CONFIG_AVFILTER
287 AVFilterContext *output_video_filter;
288 AVFilterContext *input_video_filter;
289 AVFilterBufferRef *picref;
290 char *avfilter;
291 AVFilterGraph *graph;
292 #endif
293
294 int sws_flags;
295 AVDictionary *opts;
296 int is_past_recording_time;
297 } OutputStream;
298
299
300 typedef struct OutputFile {
301 AVFormatContext *ctx;
302 AVDictionary *opts;
303 int ost_index; /* index of the first stream in output_streams */
304 int64_t recording_time; /* desired length of the resulting file in microseconds */
305 int64_t start_time; /* start time in microseconds */
306 } OutputFile;
307
308 static InputStream *input_streams = NULL;
309 static int nb_input_streams = 0;
310 static InputFile *input_files = NULL;
311 static int nb_input_files = 0;
312
313 static OutputStream *output_streams = NULL;
314 static int nb_output_streams = 0;
315 static OutputFile *output_files = NULL;
316 static int nb_output_files = 0;
317
318 #if CONFIG_AVFILTER
319
320 static int configure_video_filters(InputStream *ist, OutputStream *ost)
321 {
322 AVFilterContext *last_filter, *filter;
323 /** filter graph containing all filters including input & output */
324 AVCodecContext *codec = ost->st->codec;
325 AVCodecContext *icodec = ist->st->codec;
326 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
327 AVRational sample_aspect_ratio;
328 char args[255];
329 int ret;
330
331 ost->graph = avfilter_graph_alloc();
332
333 if (ist->st->sample_aspect_ratio.num){
334 sample_aspect_ratio = ist->st->sample_aspect_ratio;
335 }else
336 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
337
338 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
339 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
340 sample_aspect_ratio.num, sample_aspect_ratio.den);
341
342 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
343 "src", args, NULL, ost->graph);
344 if (ret < 0)
345 return ret;
346 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
347 "out", NULL, &ffsink_ctx, ost->graph);
348 if (ret < 0)
349 return ret;
350 last_filter = ost->input_video_filter;
351
352 if (codec->width != icodec->width || codec->height != icodec->height) {
353 snprintf(args, 255, "%d:%d:flags=0x%X",
354 codec->width,
355 codec->height,
356 ost->sws_flags);
357 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
358 NULL, args, NULL, ost->graph)) < 0)
359 return ret;
360 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
361 return ret;
362 last_filter = filter;
363 }
364
365 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
366 ost->graph->scale_sws_opts = av_strdup(args);
367
368 if (ost->avfilter) {
369 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
370 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
371
372 outputs->name = av_strdup("in");
373 outputs->filter_ctx = last_filter;
374 outputs->pad_idx = 0;
375 outputs->next = NULL;
376
377 inputs->name = av_strdup("out");
378 inputs->filter_ctx = ost->output_video_filter;
379 inputs->pad_idx = 0;
380 inputs->next = NULL;
381
382 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
383 return ret;
384 av_freep(&ost->avfilter);
385 } else {
386 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
387 return ret;
388 }
389
390 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
391 return ret;
392
393 codec->width = ost->output_video_filter->inputs[0]->w;
394 codec->height = ost->output_video_filter->inputs[0]->h;
395 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
396 ost->frame_aspect_ratio ? // overriden by the -aspect cli option
397 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
398 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
399
400 return 0;
401 }
402 #endif /* CONFIG_AVFILTER */
403
404 static void term_exit(void)
405 {
406 av_log(NULL, AV_LOG_QUIET, "");
407 }
408
409 static volatile int received_sigterm = 0;
410 static volatile int received_nb_signals = 0;
411
412 static void
413 sigterm_handler(int sig)
414 {
415 received_sigterm = sig;
416 received_nb_signals++;
417 term_exit();
418 }
419
420 static void term_init(void)
421 {
422 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
423 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
424 #ifdef SIGXCPU
425 signal(SIGXCPU, sigterm_handler);
426 #endif
427 }
428
429 static int decode_interrupt_cb(void)
430 {
431 return received_nb_signals > 1;
432 }
433
434 static int exit_program(int ret)
435 {
436 int i;
437
438 /* close files */
439 for(i=0;i<nb_output_files;i++) {
440 AVFormatContext *s = output_files[i].ctx;
441 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
442 avio_close(s->pb);
443 avformat_free_context(s);
444 av_dict_free(&output_files[i].opts);
445 }
446 for(i=0;i<nb_input_files;i++) {
447 av_close_input_file(input_files[i].ctx);
448 }
449 for (i = 0; i < nb_input_streams; i++)
450 av_dict_free(&input_streams[i].opts);
451
452 av_free(intra_matrix);
453 av_free(inter_matrix);
454
455 if (vstats_file)
456 fclose(vstats_file);
457 av_free(vstats_filename);
458
459 av_free(meta_data_maps);
460
461 av_freep(&input_streams);
462 av_freep(&input_files);
463 av_freep(&output_streams);
464 av_freep(&output_files);
465
466 uninit_opts();
467 av_free(audio_buf);
468 av_free(audio_out);
469 allocated_audio_buf_size= allocated_audio_out_size= 0;
470 av_free(samples);
471
472 #if CONFIG_AVFILTER
473 avfilter_uninit();
474 #endif
475
476 if (received_sigterm) {
477 fprintf(stderr,
478 "Received signal %d: terminating.\n",
479 (int) received_sigterm);
480 exit (255);
481 }
482
483 exit(ret); /* not all OS-es handle main() return value */
484 return ret;
485 }
486
487 static void assert_avoptions(AVDictionary *m)
488 {
489 AVDictionaryEntry *t;
490 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
491 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
492 exit_program(1);
493 }
494 }
495
496 static void assert_codec_experimental(AVCodecContext *c, int encoder)
497 {
498 const char *codec_string = encoder ? "encoder" : "decoder";
499 AVCodec *codec;
500 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
501 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
502 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
503 "results.\nAdd '-strict experimental' if you want to use it.\n",
504 codec_string, c->codec->name);
505 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
506 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
507 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
508 codec_string, codec->name);
509 exit_program(1);
510 }
511 }
512
513 /* similar to ff_dynarray_add() and av_fast_realloc() */
514 static void *grow_array(void *array, int elem_size, int *size, int new_size)
515 {
516 if (new_size >= INT_MAX / elem_size) {
517 fprintf(stderr, "Array too big.\n");
518 exit_program(1);
519 }
520 if (*size < new_size) {
521 uint8_t *tmp = av_realloc(array, new_size*elem_size);
522 if (!tmp) {
523 fprintf(stderr, "Could not alloc buffer.\n");
524 exit_program(1);
525 }
526 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
527 *size = new_size;
528 return tmp;
529 }
530 return array;
531 }
532
533 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
534 {
535 if(codec && codec->sample_fmts){
536 const enum AVSampleFormat *p= codec->sample_fmts;
537 for(; *p!=-1; p++){
538 if(*p == st->codec->sample_fmt)
539 break;
540 }
541 if (*p == -1) {
542 av_log(NULL, AV_LOG_WARNING,
543 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
544 av_get_sample_fmt_name(st->codec->sample_fmt),
545 codec->name,
546 av_get_sample_fmt_name(codec->sample_fmts[0]));
547 st->codec->sample_fmt = codec->sample_fmts[0];
548 }
549 }
550 }
551
552 /**
553 * Update the requested input sample format based on the output sample format.
554 * This is currently only used to request float output from decoders which
555 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
556 * Ideally this will be removed in the future when decoders do not do format
557 * conversion and only output in their native format.
558 */
559 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
560 AVCodecContext *enc)
561 {
562 /* if sample formats match or a decoder sample format has already been
563 requested, just return */
564 if (enc->sample_fmt == dec->sample_fmt ||
565 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
566 return;
567
568 /* if decoder supports more than one output format */
569 if (dec_codec && dec_codec->sample_fmts &&
570 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
571 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
572 const enum AVSampleFormat *p;
573 int min_dec = -1, min_inc = -1;
574
575 /* find a matching sample format in the encoder */
576 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
577 if (*p == enc->sample_fmt) {
578 dec->request_sample_fmt = *p;
579 return;
580 } else if (*p > enc->sample_fmt) {
581 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
582 } else
583 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
584 }
585
586 /* if none match, provide the one that matches quality closest */
587 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
588 enc->sample_fmt - min_dec;
589 }
590 }
591
592 static void choose_sample_rate(AVStream *st, AVCodec *codec)
593 {
594 if(codec && codec->supported_samplerates){
595 const int *p= codec->supported_samplerates;
596 int best=0;
597 int best_dist=INT_MAX;
598 for(; *p; p++){
599 int dist= abs(st->codec->sample_rate - *p);
600 if(dist < best_dist){
601 best_dist= dist;
602 best= *p;
603 }
604 }
605 if(best_dist){
606 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
607 }
608 st->codec->sample_rate= best;
609 }
610 }
611
612 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
613 {
614 if(codec && codec->pix_fmts){
615 const enum PixelFormat *p= codec->pix_fmts;
616 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
617 if(st->codec->codec_id==CODEC_ID_MJPEG){
618 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
619 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
620 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};
621 }
622 }
623 for(; *p!=-1; p++){
624 if(*p == st->codec->pix_fmt)
625 break;
626 }
627 if (*p == -1) {
628 if(st->codec->pix_fmt != PIX_FMT_NONE)
629 av_log(NULL, AV_LOG_WARNING,
630 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
631 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
632 codec->name,
633 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
634 st->codec->pix_fmt = codec->pix_fmts[0];
635 }
636 }
637 }
638
639 static double
640 get_sync_ipts(const OutputStream *ost)
641 {
642 const InputStream *ist = ost->sync_ist;
643 OutputFile *of = &output_files[ost->file_index];
644 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
645 }
646
647 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
648 int ret;
649
650 while(bsfc){
651 AVPacket new_pkt= *pkt;
652 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
653 &new_pkt.data, &new_pkt.size,
654 pkt->data, pkt->size,
655 pkt->flags & AV_PKT_FLAG_KEY);
656 if(a>0){
657 av_free_packet(pkt);
658 new_pkt.destruct= av_destruct_packet;
659 } else if(a<0){
660 fprintf(stderr, "%s failed for stream %d, codec %s",
661 bsfc->filter->name, pkt->stream_index,
662 avctx->codec ? avctx->codec->name : "copy");
663 print_error("", a);
664 if (exit_on_error)
665 exit_program(1);
666 }
667 *pkt= new_pkt;
668
669 bsfc= bsfc->next;
670 }
671
672 ret= av_interleaved_write_frame(s, pkt);
673 if(ret < 0){
674 print_error("av_interleaved_write_frame()", ret);
675 exit_program(1);
676 }
677 }
678
679 static void do_audio_out(AVFormatContext *s,
680 OutputStream *ost,
681 InputStream *ist,
682 unsigned char *buf, int size)
683 {
684 uint8_t *buftmp;
685 int64_t audio_out_size, audio_buf_size;
686 int64_t allocated_for_size= size;
687
688 int size_out, frame_bytes, ret, resample_changed;
689 AVCodecContext *enc= ost->st->codec;
690 AVCodecContext *dec= ist->st->codec;
691 int osize = av_get_bytes_per_sample(enc->sample_fmt);
692 int isize = av_get_bytes_per_sample(dec->sample_fmt);
693 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
694
695 need_realloc:
696 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
697 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
698 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
699 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
700 audio_buf_size*= osize*enc->channels;
701
702 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
703 if(coded_bps > 8*osize)
704 audio_out_size= audio_out_size * coded_bps / (8*osize);
705 audio_out_size += FF_MIN_BUFFER_SIZE;
706
707 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
708 fprintf(stderr, "Buffer sizes too large\n");
709 exit_program(1);
710 }
711
712 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
713 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
714 if (!audio_buf || !audio_out){
715 fprintf(stderr, "Out of memory in do_audio_out\n");
716 exit_program(1);
717 }
718
719 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
720 ost->audio_resample = 1;
721
722 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
723 ost->resample_channels != dec->channels ||
724 ost->resample_sample_rate != dec->sample_rate;
725
726 if ((ost->audio_resample && !ost->resample) || resample_changed) {
727 if (resample_changed) {
728 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",
729 ist->file_index, ist->st->index,
730 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
731 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
732 ost->resample_sample_fmt = dec->sample_fmt;
733 ost->resample_channels = dec->channels;
734 ost->resample_sample_rate = dec->sample_rate;
735 if (ost->resample)
736 audio_resample_close(ost->resample);
737 }
738 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
739 if (audio_sync_method <= 1 &&
740 ost->resample_sample_fmt == enc->sample_fmt &&
741 ost->resample_channels == enc->channels &&
742 ost->resample_sample_rate == enc->sample_rate) {
743 ost->resample = NULL;
744 ost->audio_resample = 0;
745 } else if (ost->audio_resample) {
746 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
747 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
748 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
749 enc->sample_rate, dec->sample_rate,
750 enc->sample_fmt, dec->sample_fmt,
751 16, 10, 0, 0.8);
752 if (!ost->resample) {
753 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
754 dec->channels, dec->sample_rate,
755 enc->channels, enc->sample_rate);
756 exit_program(1);
757 }
758 }
759 }
760
761 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
762 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
763 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
764 if (ost->reformat_ctx)
765 av_audio_convert_free(ost->reformat_ctx);
766 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
767 dec->sample_fmt, 1, NULL, 0);
768 if (!ost->reformat_ctx) {
769 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
770 av_get_sample_fmt_name(dec->sample_fmt),
771 av_get_sample_fmt_name(enc->sample_fmt));
772 exit_program(1);
773 }
774 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
775 }
776
777 if(audio_sync_method){
778 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
779 - av_fifo_size(ost->fifo)/(enc->channels * 2);
780 double idelta= delta*dec->sample_rate / enc->sample_rate;
781 int byte_delta= ((int)idelta)*2*dec->channels;
782
783 //FIXME resample delay
784 if(fabs(delta) > 50){
785 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
786 if(byte_delta < 0){
787 byte_delta= FFMAX(byte_delta, -size);
788 size += byte_delta;
789 buf -= byte_delta;
790 if(verbose > 2)
791 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
792 if(!size)
793 return;
794 ist->is_start=0;
795 }else{
796 static uint8_t *input_tmp= NULL;
797 input_tmp= av_realloc(input_tmp, byte_delta + size);
798
799 if(byte_delta > allocated_for_size - size){
800 allocated_for_size= byte_delta + (int64_t)size;
801 goto need_realloc;
802 }
803 ist->is_start=0;
804
805 memset(input_tmp, 0, byte_delta);
806 memcpy(input_tmp + byte_delta, buf, size);
807 buf= input_tmp;
808 size += byte_delta;
809 if(verbose > 2)
810 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
811 }
812 }else if(audio_sync_method>1){
813 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
814 av_assert0(ost->audio_resample);
815 if(verbose > 2)
816 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
817 // 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));
818 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
819 }
820 }
821 }else
822 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
823 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
824
825 if (ost->audio_resample) {
826 buftmp = audio_buf;
827 size_out = audio_resample(ost->resample,
828 (short *)buftmp, (short *)buf,
829 size / (dec->channels * isize));
830 size_out = size_out * enc->channels * osize;
831 } else {
832 buftmp = buf;
833 size_out = size;
834 }
835
836 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
837 const void *ibuf[6]= {buftmp};
838 void *obuf[6]= {audio_buf};
839 int istride[6]= {isize};
840 int ostride[6]= {osize};
841 int len= size_out/istride[0];
842 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
843 printf("av_audio_convert() failed\n");
844 if (exit_on_error)
845 exit_program(1);
846 return;
847 }
848 buftmp = audio_buf;
849 size_out = len*osize;
850 }
851
852 /* now encode as many frames as possible */
853 if (enc->frame_size > 1) {
854 /* output resampled raw samples */
855 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
856 fprintf(stderr, "av_fifo_realloc2() failed\n");
857 exit_program(1);
858 }
859 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
860
861 frame_bytes = enc->frame_size * osize * enc->channels;
862
863 while (av_fifo_size(ost->fifo) >= frame_bytes) {
864 AVPacket pkt;
865 av_init_packet(&pkt);
866
867 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
868
869 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
870
871 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
872 (short *)audio_buf);
873 if (ret < 0) {
874 fprintf(stderr, "Audio encoding failed\n");
875 exit_program(1);
876 }
877 audio_size += ret;
878 pkt.stream_index= ost->index;
879 pkt.data= audio_out;
880 pkt.size= ret;
881 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
882 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
883 pkt.flags |= AV_PKT_FLAG_KEY;
884 write_frame(s, &pkt, enc, ost->bitstream_filters);
885
886 ost->sync_opts += enc->frame_size;
887 }
888 } else {
889 AVPacket pkt;
890 av_init_packet(&pkt);
891
892 ost->sync_opts += size_out / (osize * enc->channels);
893
894 /* output a pcm frame */
895 /* determine the size of the coded buffer */
896 size_out /= osize;
897 if (coded_bps)
898 size_out = size_out*coded_bps/8;
899
900 if(size_out > audio_out_size){
901 fprintf(stderr, "Internal error, buffer size too small\n");
902 exit_program(1);
903 }
904
905 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
906 ret = avcodec_encode_audio(enc, audio_out, size_out,
907 (short *)buftmp);
908 if (ret < 0) {
909 fprintf(stderr, "Audio encoding failed\n");
910 exit_program(1);
911 }
912 audio_size += ret;
913 pkt.stream_index= ost->index;
914 pkt.data= audio_out;
915 pkt.size= ret;
916 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
917 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
918 pkt.flags |= AV_PKT_FLAG_KEY;
919 write_frame(s, &pkt, enc, ost->bitstream_filters);
920 }
921 }
922
923 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
924 {
925 AVCodecContext *dec;
926 AVPicture *picture2;
927 AVPicture picture_tmp;
928 uint8_t *buf = 0;
929
930 dec = ist->st->codec;
931
932 /* deinterlace : must be done before any resize */
933 if (do_deinterlace) {
934 int size;
935
936 /* create temporary picture */
937 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
938 buf = av_malloc(size);
939 if (!buf)
940 return;
941
942 picture2 = &picture_tmp;
943 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
944
945 if(avpicture_deinterlace(picture2, picture,
946 dec->pix_fmt, dec->width, dec->height) < 0) {
947 /* if error, do not deinterlace */
948 fprintf(stderr, "Deinterlacing failed\n");
949 av_free(buf);
950 buf = NULL;
951 picture2 = picture;
952 }
953 } else {
954 picture2 = picture;
955 }
956
957 if (picture != picture2)
958 *picture = *picture2;
959 *bufp = buf;
960 }
961
962 static void do_subtitle_out(AVFormatContext *s,
963 OutputStream *ost,
964 InputStream *ist,
965 AVSubtitle *sub,
966 int64_t pts)
967 {
968 static uint8_t *subtitle_out = NULL;
969 int subtitle_out_max_size = 1024 * 1024;
970 int subtitle_out_size, nb, i;
971 AVCodecContext *enc;
972 AVPacket pkt;
973
974 if (pts == AV_NOPTS_VALUE) {
975 fprintf(stderr, "Subtitle packets must have a pts\n");
976 if (exit_on_error)
977 exit_program(1);
978 return;
979 }
980
981 enc = ost->st->codec;
982
983 if (!subtitle_out) {
984 subtitle_out = av_malloc(subtitle_out_max_size);
985 }
986
987 /* Note: DVB subtitle need one packet to draw them and one other
988 packet to clear them */
989 /* XXX: signal it in the codec context ? */
990 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
991 nb = 2;
992 else
993 nb = 1;
994
995 for(i = 0; i < nb; i++) {
996 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
997 // start_display_time is required to be 0
998 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
999 sub->end_display_time -= sub->start_display_time;
1000 sub->start_display_time = 0;
1001 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1002 subtitle_out_max_size, sub);
1003 if (subtitle_out_size < 0) {
1004 fprintf(stderr, "Subtitle encoding failed\n");
1005 exit_program(1);
1006 }
1007
1008 av_init_packet(&pkt);
1009 pkt.stream_index = ost->index;
1010 pkt.data = subtitle_out;
1011 pkt.size = subtitle_out_size;
1012 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1013 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1014 /* XXX: the pts correction is handled here. Maybe handling
1015 it in the codec would be better */
1016 if (i == 0)
1017 pkt.pts += 90 * sub->start_display_time;
1018 else
1019 pkt.pts += 90 * sub->end_display_time;
1020 }
1021 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1022 }
1023 }
1024
1025 static int bit_buffer_size= 1024*256;
1026 static uint8_t *bit_buffer= NULL;
1027
1028 static void do_video_resample(OutputStream *ost,
1029 InputStream *ist,
1030 AVFrame *in_picture,
1031 AVFrame **out_picture)
1032 {
1033 int resample_changed = 0;
1034 AVCodecContext *dec = ist->st->codec;
1035 *out_picture = in_picture;
1036
1037 resample_changed = ost->resample_width != dec->width ||
1038 ost->resample_height != dec->height ||
1039 ost->resample_pix_fmt != dec->pix_fmt;
1040
1041 if (resample_changed) {
1042 av_log(NULL, AV_LOG_INFO,
1043 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1044 ist->file_index, ist->st->index,
1045 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1046 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1047 if(!ost->video_resample)
1048 ost->video_resample = 1;
1049 }
1050
1051 #if !CONFIG_AVFILTER
1052 if (ost->video_resample) {
1053 *out_picture = &ost->pict_tmp;
1054 if (resample_changed) {
1055 /* initialize a new scaler context */
1056 sws_freeContext(ost->img_resample_ctx);
1057 ost->img_resample_ctx = sws_getContext(
1058 ist->st->codec->width,
1059 ist->st->codec->height,
1060 ist->st->codec->pix_fmt,
1061 ost->st->codec->width,
1062 ost->st->codec->height,
1063 ost->st->codec->pix_fmt,
1064 ost->sws_flags, NULL, NULL, NULL);
1065 if (ost->img_resample_ctx == NULL) {
1066 fprintf(stderr, "Cannot get resampling context\n");
1067 exit_program(1);
1068 }
1069 }
1070 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1071 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1072 }
1073 #else
1074 if (resample_changed) {
1075 avfilter_graph_free(&ost->graph);
1076 if (configure_video_filters(ist, ost)) {
1077 fprintf(stderr, "Error reinitialising filters!\n");
1078 exit_program(1);
1079 }
1080 }
1081 #endif
1082 if (resample_changed) {
1083 ost->resample_width = dec->width;
1084 ost->resample_height = dec->height;
1085 ost->resample_pix_fmt = dec->pix_fmt;
1086 }
1087 }
1088
1089
1090 static void do_video_out(AVFormatContext *s,
1091 OutputStream *ost,
1092 InputStream *ist,
1093 AVFrame *in_picture,
1094 int *frame_size, float quality)
1095 {
1096 int nb_frames, i, ret, format_video_sync;
1097 AVFrame *final_picture;
1098 AVCodecContext *enc, *dec;
1099 double sync_ipts;
1100
1101 enc = ost->st->codec;
1102 dec = ist->st->codec;
1103
1104 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1105
1106 /* by default, we output a single frame */
1107 nb_frames = 1;
1108
1109 *frame_size = 0;
1110
1111 format_video_sync = video_sync_method;
1112 if (format_video_sync < 0)
1113 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1114
1115 if (format_video_sync) {
1116 double vdelta = sync_ipts - ost->sync_opts;
1117 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1118 if (vdelta < -1.1)
1119 nb_frames = 0;
1120 else if (format_video_sync == 2) {
1121 if(vdelta<=-0.6){
1122 nb_frames=0;
1123 }else if(vdelta>0.6)
1124 ost->sync_opts= lrintf(sync_ipts);
1125 }else if (vdelta > 1.1)
1126 nb_frames = lrintf(vdelta);
1127 //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);
1128 if (nb_frames == 0){
1129 ++nb_frames_drop;
1130 if (verbose>2)
1131 fprintf(stderr, "*** drop!\n");
1132 }else if (nb_frames > 1) {
1133 nb_frames_dup += nb_frames - 1;
1134 if (verbose>2)
1135 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1136 }
1137 }else
1138 ost->sync_opts= lrintf(sync_ipts);
1139
1140 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1141 if (nb_frames <= 0)
1142 return;
1143
1144 do_video_resample(ost, ist, in_picture, &final_picture);
1145
1146 /* duplicates frame if needed */
1147 for(i=0;i<nb_frames;i++) {
1148 AVPacket pkt;
1149 av_init_packet(&pkt);
1150 pkt.stream_index= ost->index;
1151
1152 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1153 /* raw pictures are written as AVPicture structure to
1154 avoid any copies. We support temorarily the older
1155 method. */
1156 AVFrame* old_frame = enc->coded_frame;
1157 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1158 pkt.data= (uint8_t *)final_picture;
1159 pkt.size= sizeof(AVPicture);
1160 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1161 pkt.flags |= AV_PKT_FLAG_KEY;
1162
1163 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1164 enc->coded_frame = old_frame;
1165 } else {
1166 AVFrame big_picture;
1167
1168 big_picture= *final_picture;
1169 /* better than nothing: use input picture interlaced
1170 settings */
1171 big_picture.interlaced_frame = in_picture->interlaced_frame;
1172 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1173 if(top_field_first == -1)
1174 big_picture.top_field_first = in_picture->top_field_first;
1175 else
1176 big_picture.top_field_first = top_field_first;
1177 }
1178
1179 /* handles same_quant here. This is not correct because it may
1180 not be a global option */
1181 big_picture.quality = quality;
1182 if(!me_threshold)
1183 big_picture.pict_type = 0;
1184 // big_picture.pts = AV_NOPTS_VALUE;
1185 big_picture.pts= ost->sync_opts;
1186 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1187 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1188 if (ost->forced_kf_index < ost->forced_kf_count &&
1189 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1190 big_picture.pict_type = AV_PICTURE_TYPE_I;
1191 ost->forced_kf_index++;
1192 }
1193 ret = avcodec_encode_video(enc,
1194 bit_buffer, bit_buffer_size,
1195 &big_picture);
1196 if (ret < 0) {
1197 fprintf(stderr, "Video encoding failed\n");
1198 exit_program(1);
1199 }
1200
1201 if(ret>0){
1202 pkt.data= bit_buffer;
1203 pkt.size= ret;
1204 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1205 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1206 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1207 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1208 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1209
1210 if(enc->coded_frame->key_frame)
1211 pkt.flags |= AV_PKT_FLAG_KEY;
1212 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1213 *frame_size = ret;
1214 video_size += ret;
1215 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1216 // enc->frame_number-1, ret, enc->pict_type);
1217 /* if two pass, output log */
1218 if (ost->logfile && enc->stats_out) {
1219 fprintf(ost->logfile, "%s", enc->stats_out);
1220 }
1221 }
1222 }
1223 ost->sync_opts++;
1224 ost->frame_number++;
1225 }
1226 }
1227
1228 static double psnr(double d){
1229 return -10.0*log(d)/log(10.0);
1230 }
1231
1232 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1233 int frame_size)
1234 {
1235 AVCodecContext *enc;
1236 int frame_number;
1237 double ti1, bitrate, avg_bitrate;
1238
1239 /* this is executed just the first time do_video_stats is called */
1240 if (!vstats_file) {
1241 vstats_file = fopen(vstats_filename, "w");
1242 if (!vstats_file) {
1243 perror("fopen");
1244 exit_program(1);
1245 }
1246 }
1247
1248 enc = ost->st->codec;
1249 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1250 frame_number = ost->frame_number;
1251 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1252 if (enc->flags&CODEC_FLAG_PSNR)
1253 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1254
1255 fprintf(vstats_file,"f_size= %6d ", frame_size);
1256 /* compute pts value */
1257 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1258 if (ti1 < 0.01)
1259 ti1 = 0.01;
1260
1261 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1262 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1263 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1264 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1265 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1266 }
1267 }
1268
1269 static void print_report(OutputFile *output_files,
1270 OutputStream *ost_table, int nb_ostreams,
1271 int is_last_report, int64_t timer_start)
1272 {
1273 char buf[1024];
1274 OutputStream *ost;
1275 AVFormatContext *oc;
1276 int64_t total_size;
1277 AVCodecContext *enc;
1278 int frame_number, vid, i;
1279 double bitrate, ti1, pts;
1280 static int64_t last_time = -1;
1281 static int qp_histogram[52];
1282
1283 if (!is_last_report) {
1284 int64_t cur_time;
1285 /* display the report every 0.5 seconds */
1286 cur_time = av_gettime();
1287 if (last_time == -1) {
1288 last_time = cur_time;
1289 return;
1290 }
1291 if ((cur_time - last_time) < 500000)
1292 return;
1293 last_time = cur_time;
1294 }
1295
1296
1297 oc = output_files[0].ctx;
1298
1299 total_size = avio_size(oc->pb);
1300 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1301 total_size= avio_tell(oc->pb);
1302
1303 buf[0] = '\0';
1304 ti1 = 1e10;
1305 vid = 0;
1306 for(i=0;i<nb_ostreams;i++) {
1307 float q = -1;
1308 ost = &ost_table[i];
1309 enc = ost->st->codec;
1310 if (!ost->st->stream_copy && enc->coded_frame)
1311 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1312 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1313 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1314 }
1315 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1316 float t = (av_gettime()-timer_start) / 1000000.0;
1317
1318 frame_number = ost->frame_number;
1319 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1320 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1321 if(is_last_report)
1322 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1323 if(qp_hist){
1324 int j;
1325 int qp = lrintf(q);
1326 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1327 qp_histogram[qp]++;
1328 for(j=0; j<32; j++)
1329 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1330 }
1331 if (enc->flags&CODEC_FLAG_PSNR){
1332 int j;
1333 double error, error_sum=0;
1334 double scale, scale_sum=0;
1335 char type[3]= {'Y','U','V'};
1336 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1337 for(j=0; j<3; j++){
1338 if(is_last_report){
1339 error= enc->error[j];
1340 scale= enc->width*enc->height*255.0*255.0*frame_number;
1341 }else{
1342 error= enc->coded_frame->error[j];
1343 scale= enc->width*enc->height*255.0*255.0;
1344 }
1345 if(j) scale/=4;
1346 error_sum += error;
1347 scale_sum += scale;
1348 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1349 }
1350 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1351 }
1352 vid = 1;
1353 }
1354 /* compute min output value */
1355 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1356 if ((pts < ti1) && (pts > 0))
1357 ti1 = pts;
1358 }
1359 if (ti1 < 0.01)
1360 ti1 = 0.01;
1361
1362 if (verbose > 0 || is_last_report) {
1363 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1364
1365 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1366 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1367 (double)total_size / 1024, ti1, bitrate);
1368
1369 if (nb_frames_dup || nb_frames_drop)
1370 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1371 nb_frames_dup, nb_frames_drop);
1372
1373 if (verbose >= 0)
1374 fprintf(stderr, "%s \r", buf);
1375
1376 fflush(stderr);
1377 }
1378
1379 if (is_last_report && verbose >= 0){
1380 int64_t raw= audio_size + video_size + extra_size;
1381 fprintf(stderr, "\n");
1382 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1383 video_size/1024.0,
1384 audio_size/1024.0,
1385 extra_size/1024.0,
1386 100.0*(total_size - raw)/raw
1387 );
1388 }
1389 }
1390
1391 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1392 {
1393 int fill_char = 0x00;
1394 if (sample_fmt == AV_SAMPLE_FMT_U8)
1395 fill_char = 0x80;
1396 memset(buf, fill_char, size);
1397 }
1398
1399 static void flush_encoders(int ist_index, OutputStream *ost_table, int nb_ostreams)
1400 {
1401 int i, ret;
1402
1403 for (i = 0; i < nb_ostreams; i++) {
1404 OutputStream *ost = &ost_table[i];
1405 AVCodecContext *enc = ost->st->codec;
1406 AVFormatContext *os = output_files[ost->file_index].ctx;
1407
1408 if (ost->source_index != ist_index || !ost->encoding_needed)
1409 continue;
1410
1411 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1412 continue;
1413 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1414 continue;
1415
1416 for(;;) {
1417 AVPacket pkt;
1418 int fifo_bytes;
1419 av_init_packet(&pkt);
1420 pkt.stream_index= ost->index;
1421
1422 switch (ost->st->codec->codec_type) {
1423 case AVMEDIA_TYPE_AUDIO:
1424 fifo_bytes = av_fifo_size(ost->fifo);
1425 ret = 0;
1426 /* encode any samples remaining in fifo */
1427 if (fifo_bytes > 0) {
1428 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1429 int fs_tmp = enc->frame_size;
1430
1431 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1432 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1433 enc->frame_size = fifo_bytes / (osize * enc->channels);
1434 } else { /* pad */
1435 int frame_bytes = enc->frame_size*osize*enc->channels;
1436 if (allocated_audio_buf_size < frame_bytes)
1437 exit_program(1);
1438 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1439 }
1440
1441 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1442 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1443 ost->st->time_base.num, enc->sample_rate);
1444 enc->frame_size = fs_tmp;
1445 }
1446 if (ret <= 0) {
1447 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1448 }
1449 if (ret < 0) {
1450 fprintf(stderr, "Audio encoding failed\n");
1451 exit_program(1);
1452 }
1453 audio_size += ret;
1454 pkt.flags |= AV_PKT_FLAG_KEY;
1455 break;
1456 case AVMEDIA_TYPE_VIDEO:
1457 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1458 if (ret < 0) {
1459 fprintf(stderr, "Video encoding failed\n");
1460 exit_program(1);
1461 }
1462 video_size += ret;
1463 if(enc->coded_frame && enc->coded_frame->key_frame)
1464 pkt.flags |= AV_PKT_FLAG_KEY;
1465 if (ost->logfile && enc->stats_out) {
1466 fprintf(ost->logfile, "%s", enc->stats_out);
1467 }
1468 break;
1469 default:
1470 ret=-1;
1471 }
1472
1473 if (ret <= 0)
1474 break;
1475 pkt.data = bit_buffer;
1476 pkt.size = ret;
1477 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1478 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1479 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1480 }
1481 }
1482 }
1483
1484 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1485 static int output_packet(InputStream *ist, int ist_index,
1486 OutputStream *ost_table, int nb_ostreams,
1487 const AVPacket *pkt)
1488 {
1489 AVFormatContext *os;
1490 OutputStream *ost;
1491 int ret, i;
1492 int got_output;
1493 AVFrame picture;
1494 void *buffer_to_free = NULL;
1495 static unsigned int samples_size= 0;
1496 AVSubtitle subtitle, *subtitle_to_free;
1497 int64_t pkt_pts = AV_NOPTS_VALUE;
1498 #if CONFIG_AVFILTER
1499 int frame_available;
1500 #endif
1501 float quality;
1502
1503 AVPacket avpkt;
1504 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1505
1506 if(ist->next_pts == AV_NOPTS_VALUE)
1507 ist->next_pts= ist->pts;
1508
1509 if (pkt == NULL) {
1510 /* EOF handling */
1511 av_init_packet(&avpkt);
1512 avpkt.data = NULL;
1513 avpkt.size = 0;
1514 goto handle_eof;
1515 } else {
1516 avpkt = *pkt;
1517 }
1518
1519 if(pkt->dts != AV_NOPTS_VALUE)
1520 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1521 if(pkt->pts != AV_NOPTS_VALUE)
1522 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1523
1524 //while we have more to decode or while the decoder did output something on EOF
1525 while (avpkt.size > 0 || (!pkt && got_output)) {
1526 uint8_t *data_buf, *decoded_data_buf;
1527 int data_size, decoded_data_size;
1528 handle_eof:
1529 ist->pts= ist->next_pts;
1530
1531 if(avpkt.size && avpkt.size != pkt->size &&
1532 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1533 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1534 ist->showed_multi_packet_warning=1;
1535 }
1536
1537 /* decode the packet if needed */
1538 decoded_data_buf = NULL; /* fail safe */
1539 decoded_data_size= 0;
1540 data_buf = avpkt.data;
1541 data_size = avpkt.size;
1542 subtitle_to_free = NULL;
1543 if (ist->decoding_needed) {
1544 switch(ist->st->codec->codec_type) {
1545 case AVMEDIA_TYPE_AUDIO:{
1546 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1547 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1548 av_free(samples);
1549 samples= av_malloc(samples_size);
1550 }
1551 decoded_data_size= samples_size;
1552 /* XXX: could avoid copy if PCM 16 bits with same
1553 endianness as CPU */
1554 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1555 &avpkt);
1556 if (ret < 0)
1557 return ret;
1558 avpkt.data += ret;
1559 avpkt.size -= ret;
1560 data_size = ret;
1561 got_output = decoded_data_size > 0;
1562 /* Some bug in mpeg audio decoder gives */
1563 /* decoded_data_size < 0, it seems they are overflows */
1564 if (!got_output) {
1565 /* no audio frame */
1566 continue;
1567 }
1568 decoded_data_buf = (uint8_t *)samples;
1569 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1570 (ist->st->codec->sample_rate * ist->st->codec->channels);
1571 break;}
1572 case AVMEDIA_TYPE_VIDEO:
1573 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1574 /* XXX: allocate picture correctly */
1575 avcodec_get_frame_defaults(&picture);
1576 avpkt.pts = pkt_pts;
1577 avpkt.dts = ist->pts;
1578 pkt_pts = AV_NOPTS_VALUE;
1579
1580 ret = avcodec_decode_video2(ist->st->codec,
1581 &picture, &got_output, &avpkt);
1582 quality = same_quant ? picture.quality : 0;
1583 if (ret < 0)
1584 return ret;
1585 if (!got_output) {
1586 /* no picture yet */
1587 goto discard_packet;
1588 }
1589 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1590 if (ist->st->codec->time_base.num != 0) {
1591 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1592 ist->next_pts += ((int64_t)AV_TIME_BASE *
1593 ist->st->codec->time_base.num * ticks) /
1594 ist->st->codec->time_base.den;
1595 }
1596 avpkt.size = 0;
1597 buffer_to_free = NULL;
1598 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1599 break;
1600 case AVMEDIA_TYPE_SUBTITLE:
1601 ret = avcodec_decode_subtitle2(ist->st->codec,
1602 &subtitle, &got_output, &avpkt);
1603 if (ret < 0)
1604 return ret;
1605 if (!got_output) {
1606 goto discard_packet;
1607 }
1608 subtitle_to_free = &subtitle;
1609 avpkt.size = 0;
1610 break;
1611 default:
1612 return -1;
1613 }
1614 } else {
1615 switch(ist->st->codec->codec_type) {
1616 case AVMEDIA_TYPE_AUDIO:
1617 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1618 ist->st->codec->sample_rate;
1619 break;
1620 case AVMEDIA_TYPE_VIDEO:
1621 if (ist->st->codec->time_base.num != 0) {
1622 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1623 ist->next_pts += ((int64_t)AV_TIME_BASE *
1624 ist->st->codec->time_base.num * ticks) /
1625 ist->st->codec->time_base.den;
1626 }
1627 break;
1628 }
1629 ret = avpkt.size;
1630 avpkt.size = 0;
1631 }
1632
1633 // preprocess audio (volume)
1634 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1635 if (audio_volume != 256) {
1636 short *volp;
1637 volp = samples;
1638 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1639 int v = ((*volp) * audio_volume + 128) >> 8;
1640 if (v < -32768) v = -32768;
1641 if (v > 32767) v = 32767;
1642 *volp++ = v;
1643 }
1644 }
1645 }
1646
1647 /* frame rate emulation */
1648 if (rate_emu) {
1649 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1650 int64_t now = av_gettime() - ist->start;
1651 if (pts > now)
1652 usleep(pts - now);
1653 }
1654 /* if output time reached then transcode raw format,
1655 encode packets and output them */
1656 for (i = 0; i < nb_ostreams; i++) {
1657 OutputFile *of = &output_files[ost_table[i].file_index];
1658 int frame_size;
1659
1660 ost = &ost_table[i];
1661 if (ost->source_index != ist_index)
1662 continue;
1663
1664 if (of->start_time && ist->pts < of->start_time)
1665 continue;
1666
1667 if (of->recording_time != INT64_MAX &&
1668 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1669 (AVRational){1, 1000000}) >= 0) {
1670 ost->is_past_recording_time = 1;
1671 continue;
1672 }
1673
1674 #if CONFIG_AVFILTER
1675 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1676 ost->input_video_filter) {
1677 AVRational sar;
1678 if (ist->st->sample_aspect_ratio.num)
1679 sar = ist->st->sample_aspect_ratio;
1680 else
1681 sar = ist->st->codec->sample_aspect_ratio;
1682 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, ist->pts, sar);
1683 }
1684 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1685 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1686 while (frame_available) {
1687 AVRational ist_pts_tb;
1688 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1689 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1690 if (ost->picref)
1691 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1692 #endif
1693 os = output_files[ost->file_index].ctx;
1694
1695 /* set the input output pts pairs */
1696 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1697
1698 if (ost->encoding_needed) {
1699 av_assert0(ist->decoding_needed);
1700 switch(ost->st->codec->codec_type) {
1701 case AVMEDIA_TYPE_AUDIO:
1702 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1703 break;
1704 case AVMEDIA_TYPE_VIDEO:
1705 #if CONFIG_AVFILTER
1706 if (ost->picref->video && !ost->frame_aspect_ratio)
1707 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1708 #endif
1709 do_video_out(os, ost, ist, &picture, &frame_size,
1710 same_quant ? quality : ost->st->codec->global_quality);
1711 if (vstats_filename && frame_size)
1712 do_video_stats(os, ost, frame_size);
1713 break;
1714 case AVMEDIA_TYPE_SUBTITLE:
1715 do_subtitle_out(os, ost, ist, &subtitle,
1716 pkt->pts);
1717 break;
1718 default:
1719 abort();
1720 }
1721 } else {
1722 AVFrame avframe; //FIXME/XXX remove this
1723 AVPacket opkt;
1724 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1725
1726 av_init_packet(&opkt);
1727
1728 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1729 #if !CONFIG_AVFILTER
1730 continue;
1731 #else
1732 goto cont;
1733 #endif
1734
1735 /* no reencoding needed : output the packet directly */
1736 /* force the input stream PTS */
1737
1738 avcodec_get_frame_defaults(&avframe);
1739 ost->st->codec->coded_frame= &avframe;
1740 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1741
1742 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1743 audio_size += data_size;
1744 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1745 video_size += data_size;
1746 ost->sync_opts++;
1747 }
1748
1749 opkt.stream_index= ost->index;
1750 if(pkt->pts != AV_NOPTS_VALUE)
1751 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1752 else
1753 opkt.pts= AV_NOPTS_VALUE;
1754
1755 if (pkt->dts == AV_NOPTS_VALUE)
1756 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1757 else
1758 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1759 opkt.dts -= ost_tb_start_time;
1760
1761 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1762 opkt.flags= pkt->flags;
1763
1764 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1765 if( ost->st->codec->codec_id != CODEC_ID_H264
1766 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1767 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1768 ) {
1769 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1770 opkt.destruct= av_destruct_packet;
1771 } else {
1772 opkt.data = data_buf;
1773 opkt.size = data_size;
1774 }
1775
1776 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1777 ost->st->codec->frame_number++;
1778 ost->frame_number++;
1779 av_free_packet(&opkt);
1780 }
1781 #if CONFIG_AVFILTER
1782 cont:
1783 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1784 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1785 if (ost->picref)
1786 avfilter_unref_buffer(ost->picref);
1787 }
1788 #endif
1789 }
1790
1791 av_free(buffer_to_free);
1792 /* XXX: allocate the subtitles in the codec ? */
1793 if (subtitle_to_free) {
1794 avsubtitle_free(subtitle_to_free);
1795 subtitle_to_free = NULL;
1796 }
1797 }
1798 discard_packet:
1799 if (pkt == NULL) {
1800 /* EOF handling */
1801 flush_encoders(ist_index, ost_table, nb_ostreams);
1802 }
1803
1804 return 0;
1805 }
1806
1807 static void print_sdp(OutputFile *output_files, int n)
1808 {
1809 char sdp[2048];
1810 int i;
1811 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1812
1813 if (!avc)
1814 exit_program(1);
1815 for (i = 0; i < n; i++)
1816 avc[i] = output_files[i].ctx;
1817
1818 av_sdp_create(avc, n, sdp, sizeof(sdp));
1819 printf("SDP:\n%s\n", sdp);
1820 fflush(stdout);
1821 av_freep(&avc);
1822 }
1823
1824 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1825 char *error, int error_len)
1826 {
1827 int i;
1828 InputStream *ist = &input_streams[ist_index];
1829 if (ist->decoding_needed) {
1830 AVCodec *codec = ist->dec;
1831 if (!codec)
1832 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1833 if (!codec) {
1834 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
1835 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1836 return AVERROR(EINVAL);
1837 }
1838
1839 /* update requested sample format for the decoder based on the
1840 corresponding encoder sample format */
1841 for (i = 0; i < nb_output_streams; i++) {
1842 OutputStream *ost = &output_streams[i];
1843 if (ost->source_index == ist_index) {
1844 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1845 break;
1846 }
1847 }
1848
1849 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1850 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
1851 ist->file_index, ist->st->index);
1852 return AVERROR(EINVAL);
1853 }
1854 assert_codec_experimental(ist->st->codec, 0);
1855 assert_avoptions(ist->opts);
1856 }
1857
1858 ist->pts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames*AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
1859 ist->next_pts = AV_NOPTS_VALUE;
1860 init_pts_correction(&ist->pts_ctx);
1861 ist->is_start = 1;
1862
1863 return 0;
1864 }
1865
1866 /*
1867 * The following code is the main loop of the file converter
1868 */
1869 static int transcode(OutputFile *output_files,
1870 int nb_output_files,
1871 InputFile *input_files,
1872 int nb_input_files)
1873 {
1874 int ret = 0, i;
1875 AVFormatContext *is, *os;
1876 AVCodecContext *codec, *icodec;
1877 OutputStream *ost;
1878 InputStream *ist;
1879 char error[1024];
1880 int want_sdp = 1;
1881 uint8_t *no_packet;
1882 int no_packet_count=0;
1883 int64_t timer_start;
1884
1885 if (!(no_packet = av_mallocz(nb_input_files)))
1886 exit_program(1);
1887
1888 if (rate_emu)
1889 for (i = 0; i < nb_input_streams; i++)
1890 input_streams[i].start = av_gettime();
1891
1892 /* output stream init */
1893 for(i=0;i<nb_output_files;i++) {
1894 os = output_files[i].ctx;
1895 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1896 av_dump_format(os, i, os->filename, 1);
1897 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1898 ret = AVERROR(EINVAL);
1899 goto fail;
1900 }
1901 }
1902
1903 /* for each output stream, we compute the right encoding parameters */
1904 for (i = 0; i < nb_output_streams; i++) {
1905 ost = &output_streams[i];
1906 os = output_files[ost->file_index].ctx;
1907 ist = &input_streams[ost->source_index];
1908
1909 codec = ost->st->codec;
1910 icodec = ist->st->codec;
1911
1912 ost->st->disposition = ist->st->disposition;
1913 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1914 codec->chroma_sample_location = icodec->chroma_sample_location;
1915
1916 if (ost->st->stream_copy) {
1917 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1918
1919 if (extra_size > INT_MAX)
1920 goto fail;
1921
1922 /* if stream_copy is selected, no need to decode or encode */
1923 codec->codec_id = icodec->codec_id;
1924 codec->codec_type = icodec->codec_type;
1925
1926 if(!codec->codec_tag){
1927 if( !os->oformat->codec_tag
1928 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1929 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1930 codec->codec_tag = icodec->codec_tag;
1931 }
1932
1933 codec->bit_rate = icodec->bit_rate;
1934 codec->rc_max_rate = icodec->rc_max_rate;
1935 codec->rc_buffer_size = icodec->rc_buffer_size;
1936 codec->extradata= av_mallocz(extra_size);
1937 if (!codec->extradata)
1938 goto fail;
1939 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1940 codec->extradata_size= icodec->extradata_size;
1941 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){
1942 codec->time_base = icodec->time_base;
1943 codec->time_base.num *= icodec->ticks_per_frame;
1944 av_reduce(&codec->time_base.num, &codec->time_base.den,
1945 codec->time_base.num, codec->time_base.den, INT_MAX);
1946 }else
1947 codec->time_base = ist->st->time_base;
1948 switch(codec->codec_type) {
1949 case AVMEDIA_TYPE_AUDIO:
1950 if(audio_volume != 256) {
1951 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1952 exit_program(1);
1953 }
1954 codec->channel_layout = icodec->channel_layout;
1955 codec->sample_rate = icodec->sample_rate;
1956 codec->channels = icodec->channels;
1957 codec->frame_size = icodec->frame_size;
1958 codec->audio_service_type = icodec->audio_service_type;
1959 codec->block_align= icodec->block_align;
1960 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1961 codec->block_align= 0;
1962 if(codec->codec_id == CODEC_ID_AC3)
1963 codec->block_align= 0;
1964 break;
1965 case AVMEDIA_TYPE_VIDEO:
1966 codec->pix_fmt = icodec->pix_fmt;
1967 codec->width = icodec->width;
1968 codec->height = icodec->height;
1969 codec->has_b_frames = icodec->has_b_frames;
1970 if (!codec->sample_aspect_ratio.num) {
1971 codec->sample_aspect_ratio =
1972 ost->st->sample_aspect_ratio =
1973 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1974 ist->st->codec->sample_aspect_ratio.num ?
1975 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1976 }
1977 break;
1978 case AVMEDIA_TYPE_SUBTITLE:
1979 codec->width = icodec->width;
1980 codec->height = icodec->height;
1981 break;
1982 case AVMEDIA_TYPE_DATA:
1983 break;
1984 default:
1985 abort();
1986 }
1987 } else {
1988 if (!ost->enc)
1989 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
1990 switch(codec->codec_type) {
1991 case AVMEDIA_TYPE_AUDIO:
1992 ost->fifo= av_fifo_alloc(1024);
1993 if(!ost->fifo)
1994 goto fail;
1995 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
1996 if (!codec->sample_rate) {
1997 codec->sample_rate = icodec->sample_rate;
1998 if (icodec->lowres)
1999 codec->sample_rate >>= icodec->lowres;
2000 }
2001 choose_sample_rate(ost->st, ost->enc);
2002 codec->time_base = (AVRational){1, codec->sample_rate};
2003 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2004 codec->sample_fmt = icodec->sample_fmt;
2005 choose_sample_fmt(ost->st, ost->enc);
2006 if (!codec->channels)
2007 codec->channels = icodec->channels;
2008 codec->channel_layout = icodec->channel_layout;
2009 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2010 codec->channel_layout = 0;
2011 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2012 icodec->request_channels = codec->channels;
2013 ist->decoding_needed = 1;
2014 ost->encoding_needed = 1;
2015 ost->resample_sample_fmt = icodec->sample_fmt;
2016 ost->resample_sample_rate = icodec->sample_rate;
2017 ost->resample_channels = icodec->channels;
2018 break;
2019 case AVMEDIA_TYPE_VIDEO:
2020 if (codec->pix_fmt == PIX_FMT_NONE)
2021 codec->pix_fmt = icodec->pix_fmt;
2022 choose_pixel_fmt(ost->st, ost->enc);
2023
2024 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2025 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2026 exit_program(1);
2027 }
2028
2029 if (!codec->width || !codec->height) {
2030 codec->width = icodec->width;
2031 codec->height = icodec->height;
2032 }
2033
2034 ost->video_resample = codec->width != icodec->width ||
2035 codec->height != icodec->height ||
2036 codec->pix_fmt != icodec->pix_fmt;
2037 if (ost->video_resample) {
2038 #if !CONFIG_AVFILTER
2039 avcodec_get_frame_defaults(&ost->pict_tmp);
2040 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2041 codec->width, codec->height)) {
2042 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2043 exit_program(1);
2044 }
2045 ost->img_resample_ctx = sws_getContext(
2046 icodec->width,
2047 icodec->height,
2048 icodec->pix_fmt,
2049 codec->width,
2050 codec->height,
2051 codec->pix_fmt,
2052 ost->sws_flags, NULL, NULL, NULL);
2053 if (ost->img_resample_ctx == NULL) {
2054 fprintf(stderr, "Cannot get resampling context\n");
2055 exit_program(1);
2056 }
2057 #endif
2058 codec->bits_per_raw_sample= 0;
2059 }
2060
2061 ost->resample_height = icodec->height;
2062 ost->resample_width = icodec->width;
2063 ost->resample_pix_fmt= icodec->pix_fmt;
2064 ost->encoding_needed = 1;
2065 ist->decoding_needed = 1;
2066
2067 if (!ost->frame_rate.num)
2068 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2069 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2070 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2071 ost->frame_rate = ost->enc->supported_framerates[idx];
2072 }
2073 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2074
2075 #if CONFIG_AVFILTER
2076 if (configure_video_filters(ist, ost)) {
2077 fprintf(stderr, "Error opening filters!\n");
2078 exit(1);
2079 }
2080 #endif
2081 break;
2082 case AVMEDIA_TYPE_SUBTITLE:
2083 ost->encoding_needed = 1;
2084 ist->decoding_needed = 1;
2085 break;
2086 default:
2087 abort();
2088 break;
2089 }
2090 /* two pass mode */
2091 if (ost->encoding_needed &&
2092 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2093 char logfilename[1024];
2094 FILE *f;
2095
2096 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2097 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2098 i);
2099 if (codec->flags & CODEC_FLAG_PASS1) {
2100 f = fopen(logfilename, "wb");
2101 if (!f) {
2102 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2103 exit_program(1);
2104 }
2105 ost->logfile = f;
2106 } else {
2107 char *logbuffer;
2108 size_t logbuffer_size;
2109 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2110 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2111 exit_program(1);
2112 }
2113 codec->stats_in = logbuffer;
2114 }
2115 }
2116 }
2117 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2118 int size= codec->width * codec->height;
2119 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2120 }
2121 }
2122
2123 if (!bit_buffer)
2124 bit_buffer = av_malloc(bit_buffer_size);
2125 if (!bit_buffer) {
2126 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2127 bit_buffer_size);
2128 ret = AVERROR(ENOMEM);
2129 goto fail;
2130 }
2131
2132 /* open each encoder */
2133 for (i = 0; i < nb_output_streams; i++) {
2134 ost = &output_streams[i];
2135 if (ost->encoding_needed) {
2136 AVCodec *codec = ost->enc;
2137 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2138 if (!codec) {
2139 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2140 ost->st->codec->codec_id, ost->file_index, ost->index);
2141 ret = AVERROR(EINVAL);
2142 goto dump_format;
2143 }
2144 if (dec->subtitle_header) {
2145 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2146 if (!ost->st->codec->subtitle_header) {
2147 ret = AVERROR(ENOMEM);
2148 goto dump_format;
2149 }
2150 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2151 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2152 }
2153 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2154 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2155 ost->file_index, ost->index);
2156 ret = AVERROR(EINVAL);
2157 goto dump_format;
2158 }
2159 assert_codec_experimental(ost->st->codec, 1);
2160 assert_avoptions(ost->opts);
2161 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2162 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2163 "It takes bits/s as argument, not kbits/s\n");
2164 extra_size += ost->st->codec->extradata_size;
2165 }
2166 }
2167
2168 /* init input streams */
2169 for (i = 0; i < nb_input_streams; i++)
2170 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error)) < 0))
2171 goto dump_format;
2172
2173 /* open files and write file headers */
2174 for (i = 0; i < nb_output_files; i++) {
2175 os = output_files[i].ctx;
2176 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2177 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2178 ret = AVERROR(EINVAL);
2179 goto dump_format;
2180 }
2181 assert_avoptions(output_files[i].opts);
2182 if (strcmp(os->oformat->name, "rtp")) {
2183 want_sdp = 0;
2184 }
2185 }
2186
2187 dump_format:
2188 /* dump the file output parameters - cannot be done before in case
2189 of stream copy */
2190 for(i=0;i<nb_output_files;i++) {
2191 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2192 }
2193
2194 /* dump the stream mapping */
2195 if (verbose >= 0) {
2196 fprintf(stderr, "Stream mapping:\n");
2197 for (i = 0; i < nb_output_streams;i ++) {
2198 ost = &output_streams[i];
2199 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2200 input_streams[ost->source_index].file_index,
2201 input_streams[ost->source_index].st->index,
2202 ost->file_index,
2203 ost->index);
2204 if (ost->sync_ist != &input_streams[ost->source_index])
2205 fprintf(stderr, " [sync #%d.%d]",
2206 ost->sync_ist->file_index,
2207 ost->sync_ist->st->index);
2208 if (ost->st->stream_copy)
2209 fprintf(stderr, " (copy)");
2210 fprintf(stderr, "\n");
2211 }
2212 }
2213
2214 if (ret) {
2215 fprintf(stderr, "%s\n", error);
2216 goto fail;
2217 }
2218
2219 if (want_sdp) {
2220 print_sdp(output_files, nb_output_files);
2221 }
2222
2223 if (verbose >= 0)
2224 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2225 term_init();
2226
2227 timer_start = av_gettime();
2228
2229 for(; received_sigterm == 0;) {
2230 int file_index, ist_index;
2231 AVPacket pkt;
2232 int64_t ipts_min;
2233 double opts_min;
2234
2235 redo:
2236 ipts_min = INT64_MAX;
2237 opts_min= 1e100;
2238
2239 /* select the stream that we must read now by looking at the
2240 smallest output pts */
2241 file_index = -1;
2242 for (i = 0; i < nb_output_streams; i++) {
2243 int64_t ipts;
2244 double opts;
2245 ost = &output_streams[i];
2246 os = output_files[ost->file_index].ctx;
2247 ist = &input_streams[ost->source_index];
2248 if(ost->is_past_recording_time || no_packet[ist->file_index])
2249 continue;
2250 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2251 ipts = ist->pts;
2252 if (!input_files[ist->file_index].eof_reached){
2253 if(ipts < ipts_min) {
2254 ipts_min = ipts;
2255 if(input_sync ) file_index = ist->file_index;
2256 }
2257 if(opts < opts_min) {
2258 opts_min = opts;
2259 if(!input_sync) file_index = ist->file_index;
2260 }
2261 }
2262 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2263 file_index= -1;
2264 break;
2265 }
2266 }
2267 /* if none, if is finished */
2268 if (file_index < 0) {
2269 if(no_packet_count){
2270 no_packet_count=0;
2271 memset(no_packet, 0, nb_input_files);
2272 usleep(10000);
2273 continue;
2274 }
2275 break;
2276 }
2277
2278 /* finish if limit size exhausted */
2279 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0].ctx->pb))
2280 break;
2281
2282 /* read a frame from it and output it in the fifo */
2283 is = input_files[file_index].ctx;
2284 ret= av_read_frame(is, &pkt);
2285 if(ret == AVERROR(EAGAIN)){
2286 no_packet[file_index]=1;
2287 no_packet_count++;
2288 continue;
2289 }
2290 if (ret < 0) {
2291 input_files[file_index].eof_reached = 1;
2292 if (opt_shortest)
2293 break;
2294 else
2295 continue;
2296 }
2297
2298 no_packet_count=0;
2299 memset(no_packet, 0, nb_input_files);
2300
2301 if (do_pkt_dump) {
2302 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2303 is->streams[pkt.stream_index]);
2304 }
2305 /* the following test is needed in case new streams appear
2306 dynamically in stream : we ignore them */
2307 if (pkt.stream_index >= input_files[file_index].ctx->nb_streams)
2308 goto discard_packet;
2309 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2310 ist = &input_streams[ist_index];
2311 if (ist->discard)
2312 goto discard_packet;
2313
2314 if (pkt.dts != AV_NOPTS_VALUE)
2315 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2316 if (pkt.pts != AV_NOPTS_VALUE)
2317 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2318
2319 if (ist->ts_scale) {
2320 if(pkt.pts != AV_NOPTS_VALUE)
2321 pkt.pts *= ist->ts_scale;
2322 if(pkt.dts != AV_NOPTS_VALUE)
2323 pkt.dts *= ist->ts_scale;
2324 }
2325
2326 // 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);
2327 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2328 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2329 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2330 int64_t delta= pkt_dts - ist->next_pts;
2331 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2332 input_files[ist->file_index].ts_offset -= delta;
2333 if (verbose > 2)
2334 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2335 delta, input_files[ist->file_index].ts_offset);
2336 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2337 if(pkt.pts != AV_NOPTS_VALUE)
2338 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2339 }
2340 }
2341
2342 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2343 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2344
2345 if (verbose >= 0)
2346 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2347 ist->file_index, ist->st->index);
2348 if (exit_on_error)
2349 exit_program(1);
2350 av_free_packet(&pkt);
2351 goto redo;
2352 }
2353
2354 discard_packet:
2355 av_free_packet(&pkt);
2356
2357 /* dump report by using the output first video and audio streams */
2358 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2359 }
2360
2361 /* at the end of stream, we must flush the decoder buffers */
2362 for (i = 0; i < nb_input_streams; i++) {
2363 ist = &input_streams[i];
2364 if (ist->decoding_needed) {
2365 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2366 }
2367 }
2368
2369 term_exit();
2370
2371 /* write the trailer if needed and close file */
2372 for(i=0;i<nb_output_files;i++) {
2373 os = output_files[i].ctx;
2374 av_write_trailer(os);
2375 }
2376
2377 /* dump report by using the first video and audio streams */
2378 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2379
2380 /* close each encoder */
2381 for (i = 0; i < nb_output_streams; i++) {
2382 ost = &output_streams[i];
2383 if (ost->encoding_needed) {
2384 av_freep(&ost->st->codec->stats_in);
2385 avcodec_close(ost->st->codec);
2386 }
2387 #if CONFIG_AVFILTER
2388 avfilter_graph_free(&ost->graph);
2389 #endif
2390 }
2391
2392 /* close each decoder */
2393 for (i = 0; i < nb_input_streams; i++) {
2394 ist = &input_streams[i];
2395 if (ist->decoding_needed) {
2396 avcodec_close(ist->st->codec);
2397 }
2398 }
2399
2400 /* finished ! */
2401 ret = 0;
2402
2403 fail:
2404 av_freep(&bit_buffer);
2405 av_freep(&no_packet);
2406
2407 if (output_streams) {
2408 for (i = 0; i < nb_output_streams; i++) {
2409 ost = &output_streams[i];
2410 if (ost) {
2411 if (ost->st->stream_copy)
2412 av_freep(&ost->st->codec->extradata);
2413 if (ost->logfile) {
2414 fclose(ost->logfile);
2415 ost->logfile = NULL;
2416 }
2417 av_fifo_free(ost->fifo); /* works even if fifo is not
2418 initialized but set to zero */
2419 av_freep(&ost->st->codec->subtitle_header);
2420 av_free(ost->pict_tmp.data[0]);
2421 av_free(ost->forced_kf_pts);
2422 if (ost->video_resample)
2423 sws_freeContext(ost->img_resample_ctx);
2424 if (ost->resample)
2425 audio_resample_close(ost->resample);
2426 if (ost->reformat_ctx)
2427 av_audio_convert_free(ost->reformat_ctx);
2428 av_dict_free(&ost->opts);
2429 }
2430 }
2431 }
2432 return ret;
2433 }
2434
2435 static int opt_format(const char *opt, const char *arg)
2436 {
2437 last_asked_format = arg;
2438 return 0;
2439 }
2440
2441 static int opt_video_rc_override_string(const char *opt, const char *arg)
2442 {
2443 video_rc_override_string = arg;
2444 return 0;
2445 }
2446
2447 static int opt_me_threshold(const char *opt, const char *arg)
2448 {
2449 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2450 return 0;
2451 }
2452
2453 static int opt_verbose(const char *opt, const char *arg)
2454 {
2455 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2456 return 0;
2457 }
2458
2459 static int opt_frame_rate(const char *opt, const char *arg)
2460 {
2461 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2462 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2463 exit_program(1);
2464 }
2465 return 0;
2466 }
2467
2468 static int opt_frame_crop(const char *opt, const char *arg)
2469 {
2470 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2471 return AVERROR(EINVAL);
2472 }
2473
2474 static int opt_frame_size(const char *opt, const char *arg)
2475 {
2476 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2477 fprintf(stderr, "Incorrect frame size\n");
2478 return AVERROR(EINVAL);
2479 }
2480 return 0;
2481 }
2482
2483 static int opt_pad(const char *opt, const char *arg) {
2484 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2485 return -1;
2486 }
2487
2488 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2489 {
2490 if (strcmp(arg, "list")) {
2491 frame_pix_fmt = av_get_pix_fmt(arg);
2492 if (frame_pix_fmt == PIX_FMT_NONE) {
2493 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2494 return AVERROR(EINVAL);
2495 }
2496 } else {
2497 show_pix_fmts();
2498 exit_program(0);
2499 }
2500 return 0;
2501 }
2502
2503 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2504 {
2505 int x = 0, y = 0;
2506 double ar = 0;
2507 const char *p;
2508 char *end;
2509
2510 p = strchr(arg, ':');
2511 if (p) {
2512 x = strtol(arg, &end, 10);
2513 if (end == p)
2514 y = strtol(end+1, &end, 10);
2515 if (x > 0 && y > 0)
2516 ar = (double)x / (double)y;
2517 } else
2518 ar = strtod(arg, NULL);
2519
2520 if (!ar) {
2521 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2522 return AVERROR(EINVAL);
2523 }
2524 frame_aspect_ratio = ar;
2525 return 0;
2526 }
2527
2528 static int opt_metadata(const char *opt, const char *arg)
2529 {
2530 char *mid= strchr(arg, '=');
2531
2532 if(!mid){
2533 fprintf(stderr, "Missing =\n");
2534 exit_program(1);
2535 }
2536 *mid++= 0;
2537
2538 av_dict_set(&metadata, arg, mid, 0);
2539
2540 return 0;
2541 }
2542
2543 static int opt_qscale(const char *opt, const char *arg)
2544 {
2545 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2546 if (video_qscale == 0) {
2547 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2548 return AVERROR(EINVAL);
2549 }
2550 return 0;
2551 }
2552
2553 static int opt_top_field_first(const char *opt, const char *arg)
2554 {
2555 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2556 return 0;
2557 }
2558
2559 static int opt_thread_count(const char *opt, const char *arg)
2560 {
2561 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2562 #if !HAVE_THREADS
2563 if (verbose >= 0)
2564 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2565 #endif
2566 return 0;
2567 }
2568
2569 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2570 {
2571 if (strcmp(arg, "list")) {
2572 audio_sample_fmt = av_get_sample_fmt(arg);
2573 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2574 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2575 return AVERROR(EINVAL);
2576 }
2577 } else {
2578 int i;
2579 char fmt_str[128];
2580 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2581 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2582 exit_program(0);
2583 }
2584 return 0;
2585 }
2586
2587 static int opt_audio_rate(const char *opt, const char *arg)
2588 {
2589 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2590 return 0;
2591 }
2592
2593 static int opt_audio_channels(const char *opt, const char *arg)
2594 {
2595 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2596 return 0;
2597 }
2598
2599 static int opt_codec(const char *opt, const char *arg)
2600 {
2601 return av_dict_set(&codec_names, opt, arg, 0);
2602 }
2603
2604 static int opt_audio_codec(const char *opt, const char *arg)
2605 {
2606 return opt_codec("codec:a", arg);
2607 }
2608
2609 static int opt_video_codec(const char *opt, const char *arg)
2610 {
2611 return opt_codec("codec:v", arg);
2612 }
2613
2614 static int opt_subtitle_codec(const char *opt, const char *arg)
2615 {
2616 return opt_codec("codec:s", arg);
2617 }
2618
2619 static int opt_data_codec(const char *opt, const char *arg)
2620 {
2621 return opt_codec("codec:d", arg);
2622 }
2623
2624 static int opt_codec_tag(const char *opt, const char *arg)
2625 {
2626 char *tail;
2627 uint32_t *codec_tag;
2628
2629 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2630 !strcmp(opt, "vtag") ? &video_codec_tag :
2631 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2632 if (!codec_tag)
2633 return -1;
2634
2635 *codec_tag = strtol(arg, &tail, 0);
2636 if (!tail || *tail)
2637 *codec_tag = AV_RL32(arg);
2638
2639 return 0;
2640 }
2641
2642 static int opt_map(const char *opt, const char *arg)
2643 {
2644 StreamMap *m = NULL;
2645 int i, negative = 0, file_idx;
2646 int sync_file_idx = -1, sync_stream_idx;
2647 char *p, *sync;
2648 char *map;
2649
2650 if (*arg == '-') {
2651 negative = 1;
2652 arg++;
2653 }
2654 map = av_strdup(arg);
2655
2656 /* parse sync stream first, just pick first matching stream */
2657 if (sync = strchr(map, ',')) {
2658 *sync = 0;
2659 sync_file_idx = strtol(sync + 1, &sync, 0);
2660 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2661 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2662 exit_program(1);
2663 }
2664 if (*sync)
2665 sync++;
2666 for (i = 0; i < input_files[sync_file_idx].ctx->nb_streams; i++)
2667 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2668 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2669 sync_stream_idx = i;
2670 break;
2671 }
2672 if (i == input_files[sync_file_idx].ctx->nb_streams) {
2673 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2674 "match any streams.\n", arg);
2675 exit_program(1);
2676 }
2677 }
2678
2679
2680 file_idx = strtol(map, &p, 0);
2681 if (file_idx >= nb_input_files || file_idx < 0) {
2682 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2683 exit_program(1);
2684 }
2685 if (negative)
2686 /* disable some already defined maps */
2687 for (i = 0; i < nb_stream_maps; i++) {
2688 m = &stream_maps[i];
2689 if (check_stream_specifier(input_files[m->file_index].ctx,
2690 input_files[m->file_index].ctx->streams[m->stream_index],
2691 *p == ':' ? p + 1 : p) > 0)
2692 m->disabled = 1;
2693 }
2694 else
2695 for (i = 0; i < input_files[file_idx].ctx->nb_streams; i++) {
2696 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2697 *p == ':' ? p + 1 : p) <= 0)
2698 continue;
2699 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2700 m = &stream_maps[nb_stream_maps - 1];
2701
2702 m->file_index = file_idx;
2703 m->stream_index = i;
2704
2705 if (sync_file_idx >= 0) {
2706 m->sync_file_index = sync_file_idx;
2707 m->sync_stream_index = sync_stream_idx;
2708 } else {
2709 m->sync_file_index = file_idx;
2710 m->sync_stream_index = i;
2711 }
2712 }
2713
2714 if (!m) {
2715 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2716 exit_program(1);
2717 }
2718
2719 av_freep(&map);
2720 return 0;
2721 }
2722
2723 static void parse_meta_type(char *arg, char *type, int *index)
2724 {
2725 if (*arg == ':') {
2726 *type = *(++arg);
2727 switch (*arg) {
2728 case 'g':
2729 break;
2730 case 's':
2731 case 'c':
2732 case 'p':
2733 if (*(++arg) == ':')
2734 *index = strtol(++arg, NULL, 0);
2735 break;
2736 default:
2737 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2738 exit_program(1);
2739 }
2740 } else
2741 *type = 'g';
2742 }
2743
2744 static int opt_map_metadata(const char *opt, const char *arg)
2745 {
2746 MetadataMap *m, *m1;
2747 char *p;
2748
2749 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2750 &nb_meta_data_maps, nb_meta_data_maps + 1);
2751
2752 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2753 m->file = strtol(arg, &p, 0);
2754 parse_meta_type(p, &m->type, &m->index);
2755
2756 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2757 if (p = strchr(opt, ':'))
2758 parse_meta_type(p, &m1->type, &m1->index);
2759 else
2760 m1->type = 'g';
2761
2762 if (m->type == 'g' || m1->type == 'g')
2763 metadata_global_autocopy = 0;
2764 if (m->type == 's' || m1->type == 's')
2765 metadata_streams_autocopy = 0;
2766 if (m->type == 'c' || m1->type == 'c')
2767 metadata_chapters_autocopy = 0;
2768
2769 return 0;
2770 }
2771
2772 static int opt_input_ts_scale(const char *opt, const char *arg)
2773 {
2774 return av_dict_set(&ts_scale, opt, arg, 0);
2775 }
2776
2777 static int opt_recording_time(const char *opt, const char *arg)
2778 {
2779 recording_time = parse_time_or_die(opt, arg, 1);
2780 return 0;
2781 }
2782
2783 static int opt_start_time(const char *opt, const char *arg)
2784 {
2785 start_time = parse_time_or_die(opt, arg, 1);
2786 return 0;
2787 }
2788
2789 static int opt_input_ts_offset(const char *opt, const char *arg)
2790 {
2791 input_ts_offset = parse_time_or_die(opt, arg, 1);
2792 return 0;
2793 }
2794
2795 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2796 {
2797 const char *codec_string = encoder ? "encoder" : "decoder";
2798 AVCodec *codec;
2799
2800 if(!name)
2801 return CODEC_ID_NONE;
2802 codec = encoder ?
2803 avcodec_find_encoder_by_name(name) :
2804 avcodec_find_decoder_by_name(name);
2805 if(!codec) {
2806 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2807 exit_program(1);
2808 }
2809 if(codec->type != type) {
2810 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2811 exit_program(1);
2812 }
2813 return codec->id;
2814 }
2815
2816 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
2817 {
2818 AVDictionaryEntry *e = NULL;
2819 char *codec_name = NULL;
2820 int ret;
2821
2822 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
2823 char *p = strchr(e->key, ':');
2824
2825 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
2826 codec_name = e->value;
2827 else if (ret < 0)
2828 exit_program(1);
2829 }
2830
2831 if (!codec_name) {
2832 if (s->oformat) {
2833 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2834 return avcodec_find_encoder(st->codec->codec_id);
2835 }
2836 } else if (!strcmp(codec_name, "copy"))
2837 st->stream_copy = 1;
2838 else {
2839 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2840 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2841 avcodec_find_decoder_by_name(codec_name);
2842 }
2843
2844 return NULL;
2845 }
2846
2847 /**
2848 * Add all the streams from the given input file to the global
2849 * list of input streams.
2850 */
2851 static void add_input_streams(AVFormatContext *ic)
2852 {
2853 int i, rfps, rfps_base, ret;
2854
2855 for (i = 0; i < ic->nb_streams; i++) {
2856 AVStream *st = ic->streams[i];
2857 AVCodecContext *dec = st->codec;
2858 AVDictionaryEntry *e = NULL;
2859 InputStream *ist;
2860 char *scale = NULL;
2861
2862 dec->thread_count = thread_count;
2863
2864 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2865 ist = &input_streams[nb_input_streams - 1];
2866 ist->st = st;
2867 ist->file_index = nb_input_files;
2868 ist->discard = 1;
2869 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2870
2871 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
2872 char *p = strchr(e->key, ':');
2873
2874 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
2875 scale = e->value;
2876 else if (ret < 0)
2877 exit_program(1);
2878 }
2879 if (scale)
2880 ist->ts_scale = strtod(scale, NULL);
2881
2882 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
2883
2884 switch (dec->codec_type) {
2885 case AVMEDIA_TYPE_AUDIO:
2886 if(audio_disable)
2887 st->discard= AVDISCARD_ALL;
2888 break;
2889 case AVMEDIA_TYPE_VIDEO:
2890 rfps = ic->streams[i]->r_frame_rate.num;
2891 rfps_base = ic->streams[i]->r_frame_rate.den;
2892 if (dec->lowres) {
2893 dec->flags |= CODEC_FLAG_EMU_EDGE;
2894 dec->height >>= dec->lowres;
2895 dec->width >>= dec->lowres;
2896 }
2897 if(me_threshold)
2898 dec->debug |= FF_DEBUG_MV;
2899
2900 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2901
2902 if (verbose >= 0)
2903 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2904 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2905
2906 (float)rfps / rfps_base, rfps, rfps_base);
2907 }
2908
2909 if(video_disable)
2910 st->discard= AVDISCARD_ALL;
2911 else if(video_discard)
2912 st->discard= video_discard;
2913 break;
2914 case AVMEDIA_TYPE_DATA:
2915 break;
2916 case AVMEDIA_TYPE_SUBTITLE:
2917 if(subtitle_disable)
2918 st->discard = AVDISCARD_ALL;
2919 break;
2920 case AVMEDIA_TYPE_ATTACHMENT:
2921 case AVMEDIA_TYPE_UNKNOWN:
2922 break;
2923 default:
2924 abort();
2925 }
2926 }
2927 }
2928
2929 static int opt_input_file(const char *opt, const char *filename)
2930 {
2931 AVFormatContext *ic;
2932 AVInputFormat *file_iformat = NULL;
2933 int err, i, ret;
2934 int64_t timestamp;
2935 uint8_t buf[128];
2936 AVDictionary **opts;
2937 int orig_nb_streams; // number of streams before avformat_find_stream_info
2938
2939 if (last_asked_format) {
2940 if (!(file_iformat = av_find_input_format(last_asked_format))) {
2941 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
2942 exit_program(1);
2943 }
2944 last_asked_format = NULL;
2945 }
2946
2947 if (!strcmp(filename, "-"))
2948 filename = "pipe:";
2949
2950 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2951 !strcmp(filename, "/dev/stdin");
2952
2953 /* get default parameters from command line */
2954 ic = avformat_alloc_context();
2955 if (!ic) {
2956 print_error(filename, AVERROR(ENOMEM));
2957 exit_program(1);
2958 }
2959 if (audio_sample_rate) {
2960 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
2961 av_dict_set(&format_opts, "sample_rate", buf, 0);
2962 }
2963 if (audio_channels) {
2964 snprintf(buf, sizeof(buf), "%d", audio_channels);
2965 av_dict_set(&format_opts, "channels", buf, 0);
2966 }
2967 if (frame_rate.num) {
2968 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
2969 av_dict_set(&format_opts, "framerate", buf, 0);
2970 }
2971 if (frame_width && frame_height) {
2972 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
2973 av_dict_set(&format_opts, "video_size", buf, 0);
2974 }
2975 if (frame_pix_fmt != PIX_FMT_NONE)
2976 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
2977
2978 ic->flags |= AVFMT_FLAG_NONBLOCK;
2979
2980 /* open the input file with generic libav function */
2981 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2982 if (err < 0) {
2983 print_error(filename, err);
2984 exit_program(1);
2985 }
2986 assert_avoptions(format_opts);
2987
2988 if(opt_programid) {
2989 int i, j;
2990 int found=0;
2991 for(i=0; i<ic->nb_streams; i++){
2992 ic->streams[i]->discard= AVDISCARD_ALL;
2993 }
2994 for(i=0; i<ic->nb_programs; i++){
2995 AVProgram *p= ic->programs[i];
2996 if(p->id != opt_programid){
2997 p->discard = AVDISCARD_ALL;
2998 }else{
2999 found=1;
3000 for(j=0; j<p->nb_stream_indexes; j++){
3001 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3002 }
3003 }
3004 }
3005 if(!found){
3006 fprintf(stderr, "Specified program id not found\n");
3007 exit_program(1);
3008 }
3009 opt_programid=0;
3010 }
3011
3012 /* apply forced codec ids */
3013 for (i = 0; i < ic->nb_streams; i++)
3014 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
3015
3016 /* Set AVCodecContext options for avformat_find_stream_info */
3017 opts = setup_find_stream_info_opts(ic, codec_opts);
3018 orig_nb_streams = ic->nb_streams;
3019
3020 /* If not enough info to get the stream parameters, we decode the
3021 first frames to get it. (used in mpeg case for example) */
3022 ret = avformat_find_stream_info(ic, opts);
3023 if (ret < 0 && verbose >= 0) {
3024 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3025 av_close_input_file(ic);
3026 exit_program(1);
3027 }
3028
3029 timestamp = start_time;
3030 /* add the stream start time */
3031 if (ic->start_time != AV_NOPTS_VALUE)
3032 timestamp += ic->start_time;
3033
3034 /* if seeking requested, we execute it */
3035 if (start_time != 0) {
3036 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3037 if (ret < 0) {
3038 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3039 filename, (double)timestamp / AV_TIME_BASE);
3040 }
3041 /* reset seek info */
3042 start_time = 0;
3043 }
3044
3045 /* update the current parameters so that they match the one of the input stream */
3046 add_input_streams(ic);
3047
3048 /* dump the file content */
3049 if (verbose >= 0)
3050 av_dump_format(ic, nb_input_files, filename, 0);
3051
3052 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3053 input_files[nb_input_files - 1].ctx = ic;
3054 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3055 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3056
3057 frame_rate = (AVRational){0, 0};
3058 frame_pix_fmt = PIX_FMT_NONE;
3059 frame_height = 0;
3060 frame_width = 0;
3061 audio_sample_rate = 0;
3062 audio_channels = 0;
3063 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3064 av_dict_free(&ts_scale);
3065
3066 for (i = 0; i < orig_nb_streams; i++)
3067 av_dict_free(&opts[i]);
3068 av_freep(&opts);
3069 av_dict_free(&codec_names);
3070 uninit_opts();
3071 init_opts();
3072 return 0;
3073 }
3074
3075 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3076 AVCodecContext *avctx)
3077 {
3078 char *p;
3079 int n = 1, i;
3080 int64_t t;
3081
3082 for (p = kf; *p; p++)
3083 if (*p == ',')
3084 n++;
3085 ost->forced_kf_count = n;
3086 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3087 if (!ost->forced_kf_pts) {
3088 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3089 exit_program(1);
3090 }
3091 for (i = 0; i < n; i++) {
3092 p = i ? strchr(p, ',') + 1 : kf;
3093 t = parse_time_or_die("force_key_frames", p, 1);
3094 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3095 }
3096 }
3097
3098 static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type)
3099 {
3100 OutputStream *ost;
3101 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3102 int idx = oc->nb_streams - 1;
3103
3104 if (!st) {
3105 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3106 exit_program(1);
3107 }
3108
3109 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3110 nb_output_streams + 1);
3111 ost = &output_streams[nb_output_streams - 1];
3112 ost->file_index = nb_output_files;
3113 ost->index = idx;
3114 ost->st = st;
3115 st->codec->codec_type = type;
3116 ost->enc = choose_codec(oc, st, type, codec_names);
3117 if (ost->enc) {
3118 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3119 }
3120
3121 avcodec_get_context_defaults3(st->codec, ost->enc);
3122 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3123
3124 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3125 return ost;
3126 }
3127
3128 static OutputStream *new_video_stream(AVFormatContext *oc)
3129 {
3130 AVStream *st;
3131 OutputStream *ost;
3132 AVCodecContext *video_enc;
3133
3134 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO);
3135 st = ost->st;
3136 if (!st->stream_copy) {
3137 ost->frame_aspect_ratio = frame_aspect_ratio;
3138 frame_aspect_ratio = 0;
3139 #if CONFIG_AVFILTER
3140 ost->avfilter= vfilters;
3141 vfilters = NULL;
3142 #endif
3143 }
3144
3145 ost->bitstream_filters = video_bitstream_filters;
3146 video_bitstream_filters= NULL;
3147
3148 st->codec->thread_count= thread_count;
3149
3150 video_enc = st->codec;
3151
3152 if(video_codec_tag)
3153 video_enc->codec_tag= video_codec_tag;
3154
3155 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3156 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3157 }
3158
3159 if (st->stream_copy) {
3160 video_enc->sample_aspect_ratio =
3161 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3162 } else {
3163 const char *p;
3164 int i;
3165
3166 if (frame_rate.num)
3167 ost->frame_rate = frame_rate;
3168
3169 video_enc->width = frame_width