avconv: factor out initializing input streams.
[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 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1400 static int output_packet(InputStream *ist, int ist_index,
1401 OutputStream *ost_table, int nb_ostreams,
1402 const AVPacket *pkt)
1403 {
1404 AVFormatContext *os;
1405 OutputStream *ost;
1406 int ret, i;
1407 int got_output;
1408 AVFrame picture;
1409 void *buffer_to_free = NULL;
1410 static unsigned int samples_size= 0;
1411 AVSubtitle subtitle, *subtitle_to_free;
1412 int64_t pkt_pts = AV_NOPTS_VALUE;
1413 #if CONFIG_AVFILTER
1414 int frame_available;
1415 #endif
1416 float quality;
1417
1418 AVPacket avpkt;
1419 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1420
1421 if(ist->next_pts == AV_NOPTS_VALUE)
1422 ist->next_pts= ist->pts;
1423
1424 if (pkt == NULL) {
1425 /* EOF handling */
1426 av_init_packet(&avpkt);
1427 avpkt.data = NULL;
1428 avpkt.size = 0;
1429 goto handle_eof;
1430 } else {
1431 avpkt = *pkt;
1432 }
1433
1434 if(pkt->dts != AV_NOPTS_VALUE)
1435 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1436 if(pkt->pts != AV_NOPTS_VALUE)
1437 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1438
1439 //while we have more to decode or while the decoder did output something on EOF
1440 while (avpkt.size > 0 || (!pkt && got_output)) {
1441 uint8_t *data_buf, *decoded_data_buf;
1442 int data_size, decoded_data_size;
1443 handle_eof:
1444 ist->pts= ist->next_pts;
1445
1446 if(avpkt.size && avpkt.size != pkt->size &&
1447 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1448 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1449 ist->showed_multi_packet_warning=1;
1450 }
1451
1452 /* decode the packet if needed */
1453 decoded_data_buf = NULL; /* fail safe */
1454 decoded_data_size= 0;
1455 data_buf = avpkt.data;
1456 data_size = avpkt.size;
1457 subtitle_to_free = NULL;
1458 if (ist->decoding_needed) {
1459 switch(ist->st->codec->codec_type) {
1460 case AVMEDIA_TYPE_AUDIO:{
1461 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1462 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1463 av_free(samples);
1464 samples= av_malloc(samples_size);
1465 }
1466 decoded_data_size= samples_size;
1467 /* XXX: could avoid copy if PCM 16 bits with same
1468 endianness as CPU */
1469 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1470 &avpkt);
1471 if (ret < 0)
1472 return ret;
1473 avpkt.data += ret;
1474 avpkt.size -= ret;
1475 data_size = ret;
1476 got_output = decoded_data_size > 0;
1477 /* Some bug in mpeg audio decoder gives */
1478 /* decoded_data_size < 0, it seems they are overflows */
1479 if (!got_output) {
1480 /* no audio frame */
1481 continue;
1482 }
1483 decoded_data_buf = (uint8_t *)samples;
1484 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1485 (ist->st->codec->sample_rate * ist->st->codec->channels);
1486 break;}
1487 case AVMEDIA_TYPE_VIDEO:
1488 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1489 /* XXX: allocate picture correctly */
1490 avcodec_get_frame_defaults(&picture);
1491 avpkt.pts = pkt_pts;
1492 avpkt.dts = ist->pts;
1493 pkt_pts = AV_NOPTS_VALUE;
1494
1495 ret = avcodec_decode_video2(ist->st->codec,
1496 &picture, &got_output, &avpkt);
1497 quality = same_quant ? picture.quality : 0;
1498 if (ret < 0)
1499 return ret;
1500 if (!got_output) {
1501 /* no picture yet */
1502 goto discard_packet;
1503 }
1504 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1505 if (ist->st->codec->time_base.num != 0) {
1506 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1507 ist->next_pts += ((int64_t)AV_TIME_BASE *
1508 ist->st->codec->time_base.num * ticks) /
1509 ist->st->codec->time_base.den;
1510 }
1511 avpkt.size = 0;
1512 buffer_to_free = NULL;
1513 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1514 break;
1515 case AVMEDIA_TYPE_SUBTITLE:
1516 ret = avcodec_decode_subtitle2(ist->st->codec,
1517 &subtitle, &got_output, &avpkt);
1518 if (ret < 0)
1519 return ret;
1520 if (!got_output) {
1521 goto discard_packet;
1522 }
1523 subtitle_to_free = &subtitle;
1524 avpkt.size = 0;
1525 break;
1526 default:
1527 return -1;
1528 }
1529 } else {
1530 switch(ist->st->codec->codec_type) {
1531 case AVMEDIA_TYPE_AUDIO:
1532 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1533 ist->st->codec->sample_rate;
1534 break;
1535 case AVMEDIA_TYPE_VIDEO:
1536 if (ist->st->codec->time_base.num != 0) {
1537 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1538 ist->next_pts += ((int64_t)AV_TIME_BASE *
1539 ist->st->codec->time_base.num * ticks) /
1540 ist->st->codec->time_base.den;
1541 }
1542 break;
1543 }
1544 ret = avpkt.size;
1545 avpkt.size = 0;
1546 }
1547
1548 // preprocess audio (volume)
1549 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1550 if (audio_volume != 256) {
1551 short *volp;
1552 volp = samples;
1553 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1554 int v = ((*volp) * audio_volume + 128) >> 8;
1555 if (v < -32768) v = -32768;
1556 if (v > 32767) v = 32767;
1557 *volp++ = v;
1558 }
1559 }
1560 }
1561
1562 /* frame rate emulation */
1563 if (rate_emu) {
1564 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1565 int64_t now = av_gettime() - ist->start;
1566 if (pts > now)
1567 usleep(pts - now);
1568 }
1569 /* if output time reached then transcode raw format,
1570 encode packets and output them */
1571 for (i = 0; i < nb_ostreams; i++) {
1572 OutputFile *of = &output_files[ost_table[i].file_index];
1573 int frame_size;
1574
1575 ost = &ost_table[i];
1576 if (ost->source_index != ist_index)
1577 continue;
1578
1579 if (of->start_time && ist->pts < of->start_time)
1580 continue;
1581
1582 if (of->recording_time != INT64_MAX &&
1583 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1584 (AVRational){1, 1000000}) >= 0) {
1585 ost->is_past_recording_time = 1;
1586 continue;
1587 }
1588
1589 #if CONFIG_AVFILTER
1590 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1591 ost->input_video_filter) {
1592 AVRational sar;
1593 if (ist->st->sample_aspect_ratio.num)
1594 sar = ist->st->sample_aspect_ratio;
1595 else
1596 sar = ist->st->codec->sample_aspect_ratio;
1597 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, ist->pts, sar);
1598 }
1599 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1600 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1601 while (frame_available) {
1602 AVRational ist_pts_tb;
1603 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1604 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1605 if (ost->picref)
1606 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1607 #endif
1608 os = output_files[ost->file_index].ctx;
1609
1610 /* set the input output pts pairs */
1611 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1612
1613 if (ost->encoding_needed) {
1614 av_assert0(ist->decoding_needed);
1615 switch(ost->st->codec->codec_type) {
1616 case AVMEDIA_TYPE_AUDIO:
1617 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1618 break;
1619 case AVMEDIA_TYPE_VIDEO:
1620 #if CONFIG_AVFILTER
1621 if (ost->picref->video && !ost->frame_aspect_ratio)
1622 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1623 #endif
1624 do_video_out(os, ost, ist, &picture, &frame_size,
1625 same_quant ? quality : ost->st->codec->global_quality);
1626 if (vstats_filename && frame_size)
1627 do_video_stats(os, ost, frame_size);
1628 break;
1629 case AVMEDIA_TYPE_SUBTITLE:
1630 do_subtitle_out(os, ost, ist, &subtitle,
1631 pkt->pts);
1632 break;
1633 default:
1634 abort();
1635 }
1636 } else {
1637 AVFrame avframe; //FIXME/XXX remove this
1638 AVPacket opkt;
1639 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1640
1641 av_init_packet(&opkt);
1642
1643 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1644 #if !CONFIG_AVFILTER
1645 continue;
1646 #else
1647 goto cont;
1648 #endif
1649
1650 /* no reencoding needed : output the packet directly */
1651 /* force the input stream PTS */
1652
1653 avcodec_get_frame_defaults(&avframe);
1654 ost->st->codec->coded_frame= &avframe;
1655 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1656
1657 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1658 audio_size += data_size;
1659 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1660 video_size += data_size;
1661 ost->sync_opts++;
1662 }
1663
1664 opkt.stream_index= ost->index;
1665 if(pkt->pts != AV_NOPTS_VALUE)
1666 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1667 else
1668 opkt.pts= AV_NOPTS_VALUE;
1669
1670 if (pkt->dts == AV_NOPTS_VALUE)
1671 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1672 else
1673 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1674 opkt.dts -= ost_tb_start_time;
1675
1676 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1677 opkt.flags= pkt->flags;
1678
1679 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1680 if( ost->st->codec->codec_id != CODEC_ID_H264
1681 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1682 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1683 ) {
1684 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1685 opkt.destruct= av_destruct_packet;
1686 } else {
1687 opkt.data = data_buf;
1688 opkt.size = data_size;
1689 }
1690
1691 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1692 ost->st->codec->frame_number++;
1693 ost->frame_number++;
1694 av_free_packet(&opkt);
1695 }
1696 #if CONFIG_AVFILTER
1697 cont:
1698 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1699 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1700 if (ost->picref)
1701 avfilter_unref_buffer(ost->picref);
1702 }
1703 #endif
1704 }
1705
1706 av_free(buffer_to_free);
1707 /* XXX: allocate the subtitles in the codec ? */
1708 if (subtitle_to_free) {
1709 avsubtitle_free(subtitle_to_free);
1710 subtitle_to_free = NULL;
1711 }
1712 }
1713 discard_packet:
1714 if (pkt == NULL) {
1715 /* EOF handling */
1716
1717 for(i=0;i<nb_ostreams;i++) {
1718 ost = &ost_table[i];
1719 if (ost->source_index == ist_index) {
1720 AVCodecContext *enc= ost->st->codec;
1721 os = output_files[ost->file_index].ctx;
1722
1723 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1724 continue;
1725 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1726 continue;
1727
1728 if (ost->encoding_needed) {
1729 for(;;) {
1730 AVPacket pkt;
1731 int fifo_bytes;
1732 av_init_packet(&pkt);
1733 pkt.stream_index= ost->index;
1734
1735 switch(ost->st->codec->codec_type) {
1736 case AVMEDIA_TYPE_AUDIO:
1737 fifo_bytes = av_fifo_size(ost->fifo);
1738 ret = 0;
1739 /* encode any samples remaining in fifo */
1740 if (fifo_bytes > 0) {
1741 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1742 int fs_tmp = enc->frame_size;
1743
1744 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1745 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1746 enc->frame_size = fifo_bytes / (osize * enc->channels);
1747 } else { /* pad */
1748 int frame_bytes = enc->frame_size*osize*enc->channels;
1749 if (allocated_audio_buf_size < frame_bytes)
1750 exit_program(1);
1751 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1752 }
1753
1754 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1755 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1756 ost->st->time_base.num, enc->sample_rate);
1757 enc->frame_size = fs_tmp;
1758 }
1759 if(ret <= 0) {
1760 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1761 }
1762 if (ret < 0) {
1763 fprintf(stderr, "Audio encoding failed\n");
1764 exit_program(1);
1765 }
1766 audio_size += ret;
1767 pkt.flags |= AV_PKT_FLAG_KEY;
1768 break;
1769 case AVMEDIA_TYPE_VIDEO:
1770 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1771 if (ret < 0) {
1772 fprintf(stderr, "Video encoding failed\n");
1773 exit_program(1);
1774 }
1775 video_size += ret;
1776 if(enc->coded_frame && enc->coded_frame->key_frame)
1777 pkt.flags |= AV_PKT_FLAG_KEY;
1778 if (ost->logfile && enc->stats_out) {
1779 fprintf(ost->logfile, "%s", enc->stats_out);
1780 }
1781 break;
1782 default:
1783 ret=-1;
1784 }
1785
1786 if(ret<=0)
1787 break;
1788 pkt.data= bit_buffer;
1789 pkt.size= ret;
1790 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1791 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1792 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1793 }
1794 }
1795 }
1796 }
1797 }
1798
1799 return 0;
1800 }
1801
1802 static void print_sdp(OutputFile *output_files, int n)
1803 {
1804 char sdp[2048];
1805 int i;
1806 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1807
1808 if (!avc)
1809 exit_program(1);
1810 for (i = 0; i < n; i++)
1811 avc[i] = output_files[i].ctx;
1812
1813 av_sdp_create(avc, n, sdp, sizeof(sdp));
1814 printf("SDP:\n%s\n", sdp);
1815 fflush(stdout);
1816 av_freep(&avc);
1817 }
1818
1819 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1820 char *error, int error_len)
1821 {
1822 int i;
1823 InputStream *ist = &input_streams[ist_index];
1824 if (ist->decoding_needed) {
1825 AVCodec *codec = ist->dec;
1826 if (!codec)
1827 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1828 if (!codec) {
1829 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
1830 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1831 return AVERROR(EINVAL);
1832 }
1833
1834 /* update requested sample format for the decoder based on the
1835 corresponding encoder sample format */
1836 for (i = 0; i < nb_output_streams; i++) {
1837 OutputStream *ost = &output_streams[i];
1838 if (ost->source_index == ist_index) {
1839 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1840 break;
1841 }
1842 }
1843
1844 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1845 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
1846 ist->file_index, ist->st->index);
1847 return AVERROR(EINVAL);
1848 }
1849 assert_codec_experimental(ist->st->codec, 0);
1850 assert_avoptions(ist->opts);
1851 }
1852
1853 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;
1854 ist->next_pts = AV_NOPTS_VALUE;
1855 init_pts_correction(&ist->pts_ctx);
1856 ist->is_start = 1;
1857
1858 return 0;
1859 }
1860
1861 /*
1862 * The following code is the main loop of the file converter
1863 */
1864 static int transcode(OutputFile *output_files,
1865 int nb_output_files,
1866 InputFile *input_files,
1867 int nb_input_files)
1868 {
1869 int ret = 0, i;
1870 AVFormatContext *is, *os;
1871 AVCodecContext *codec, *icodec;
1872 OutputStream *ost;
1873 InputStream *ist;
1874 char error[1024];
1875 int want_sdp = 1;
1876 uint8_t *no_packet;
1877 int no_packet_count=0;
1878 int64_t timer_start;
1879
1880 if (!(no_packet = av_mallocz(nb_input_files)))
1881 exit_program(1);
1882
1883 if (rate_emu)
1884 for (i = 0; i < nb_input_streams; i++)
1885 input_streams[i].start = av_gettime();
1886
1887 /* output stream init */
1888 for(i=0;i<nb_output_files;i++) {
1889 os = output_files[i].ctx;
1890 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1891 av_dump_format(os, i, os->filename, 1);
1892 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1893 ret = AVERROR(EINVAL);
1894 goto fail;
1895 }
1896 }
1897
1898 /* for each output stream, we compute the right encoding parameters */
1899 for (i = 0; i < nb_output_streams; i++) {
1900 ost = &output_streams[i];
1901 os = output_files[ost->file_index].ctx;
1902 ist = &input_streams[ost->source_index];
1903
1904 codec = ost->st->codec;
1905 icodec = ist->st->codec;
1906
1907 ost->st->disposition = ist->st->disposition;
1908 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1909 codec->chroma_sample_location = icodec->chroma_sample_location;
1910
1911 if (ost->st->stream_copy) {
1912 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1913
1914 if (extra_size > INT_MAX)
1915 goto fail;
1916
1917 /* if stream_copy is selected, no need to decode or encode */
1918 codec->codec_id = icodec->codec_id;
1919 codec->codec_type = icodec->codec_type;
1920
1921 if(!codec->codec_tag){
1922 if( !os->oformat->codec_tag
1923 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1924 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1925 codec->codec_tag = icodec->codec_tag;
1926 }
1927
1928 codec->bit_rate = icodec->bit_rate;
1929 codec->rc_max_rate = icodec->rc_max_rate;
1930 codec->rc_buffer_size = icodec->rc_buffer_size;
1931 codec->extradata= av_mallocz(extra_size);
1932 if (!codec->extradata)
1933 goto fail;
1934 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1935 codec->extradata_size= icodec->extradata_size;
1936 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){
1937 codec->time_base = icodec->time_base;
1938 codec->time_base.num *= icodec->ticks_per_frame;
1939 av_reduce(&codec->time_base.num, &codec->time_base.den,
1940 codec->time_base.num, codec->time_base.den, INT_MAX);
1941 }else
1942 codec->time_base = ist->st->time_base;
1943 switch(codec->codec_type) {
1944 case AVMEDIA_TYPE_AUDIO:
1945 if(audio_volume != 256) {
1946 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1947 exit_program(1);
1948 }
1949 codec->channel_layout = icodec->channel_layout;
1950 codec->sample_rate = icodec->sample_rate;
1951 codec->channels = icodec->channels;
1952 codec->frame_size = icodec->frame_size;
1953 codec->audio_service_type = icodec->audio_service_type;
1954 codec->block_align= icodec->block_align;
1955 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1956 codec->block_align= 0;
1957 if(codec->codec_id == CODEC_ID_AC3)
1958 codec->block_align= 0;
1959 break;
1960 case AVMEDIA_TYPE_VIDEO:
1961 codec->pix_fmt = icodec->pix_fmt;
1962 codec->width = icodec->width;
1963 codec->height = icodec->height;
1964 codec->has_b_frames = icodec->has_b_frames;
1965 if (!codec->sample_aspect_ratio.num) {
1966 codec->sample_aspect_ratio =
1967 ost->st->sample_aspect_ratio =
1968 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1969 ist->st->codec->sample_aspect_ratio.num ?
1970 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1971 }
1972 break;
1973 case AVMEDIA_TYPE_SUBTITLE:
1974 codec->width = icodec->width;
1975 codec->height = icodec->height;
1976 break;
1977 case AVMEDIA_TYPE_DATA:
1978 break;
1979 default:
1980 abort();
1981 }
1982 } else {
1983 if (!ost->enc)
1984 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
1985 switch(codec->codec_type) {
1986 case AVMEDIA_TYPE_AUDIO:
1987 ost->fifo= av_fifo_alloc(1024);
1988 if(!ost->fifo)
1989 goto fail;
1990 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
1991 if (!codec->sample_rate) {
1992 codec->sample_rate = icodec->sample_rate;
1993 if (icodec->lowres)
1994 codec->sample_rate >>= icodec->lowres;
1995 }
1996 choose_sample_rate(ost->st, ost->enc);
1997 codec->time_base = (AVRational){1, codec->sample_rate};
1998 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
1999 codec->sample_fmt = icodec->sample_fmt;
2000 choose_sample_fmt(ost->st, ost->enc);
2001 if (!codec->channels)
2002 codec->channels = icodec->channels;
2003 codec->channel_layout = icodec->channel_layout;
2004 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2005 codec->channel_layout = 0;
2006 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2007 icodec->request_channels = codec->channels;
2008 ist->decoding_needed = 1;
2009 ost->encoding_needed = 1;
2010 ost->resample_sample_fmt = icodec->sample_fmt;
2011 ost->resample_sample_rate = icodec->sample_rate;
2012 ost->resample_channels = icodec->channels;
2013 break;
2014 case AVMEDIA_TYPE_VIDEO:
2015 if (codec->pix_fmt == PIX_FMT_NONE)
2016 codec->pix_fmt = icodec->pix_fmt;
2017 choose_pixel_fmt(ost->st, ost->enc);
2018
2019 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2020 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2021 exit_program(1);
2022 }
2023
2024 if (!codec->width || !codec->height) {
2025 codec->width = icodec->width;
2026 codec->height = icodec->height;
2027 }
2028
2029 ost->video_resample = codec->width != icodec->width ||
2030 codec->height != icodec->height ||
2031 codec->pix_fmt != icodec->pix_fmt;
2032 if (ost->video_resample) {
2033 #if !CONFIG_AVFILTER
2034 avcodec_get_frame_defaults(&ost->pict_tmp);
2035 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2036 codec->width, codec->height)) {
2037 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2038 exit_program(1);
2039 }
2040 ost->img_resample_ctx = sws_getContext(
2041 icodec->width,
2042 icodec->height,
2043 icodec->pix_fmt,
2044 codec->width,
2045 codec->height,
2046 codec->pix_fmt,
2047 ost->sws_flags, NULL, NULL, NULL);
2048 if (ost->img_resample_ctx == NULL) {
2049 fprintf(stderr, "Cannot get resampling context\n");
2050 exit_program(1);
2051 }
2052 #endif
2053 codec->bits_per_raw_sample= 0;
2054 }
2055
2056 ost->resample_height = icodec->height;
2057 ost->resample_width = icodec->width;
2058 ost->resample_pix_fmt= icodec->pix_fmt;
2059 ost->encoding_needed = 1;
2060 ist->decoding_needed = 1;
2061
2062 if (!ost->frame_rate.num)
2063 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2064 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2065 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2066 ost->frame_rate = ost->enc->supported_framerates[idx];
2067 }
2068 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2069
2070 #if CONFIG_AVFILTER
2071 if (configure_video_filters(ist, ost)) {
2072 fprintf(stderr, "Error opening filters!\n");
2073 exit(1);
2074 }
2075 #endif
2076 break;
2077 case AVMEDIA_TYPE_SUBTITLE:
2078 ost->encoding_needed = 1;
2079 ist->decoding_needed = 1;
2080 break;
2081 default:
2082 abort();
2083 break;
2084 }
2085 /* two pass mode */
2086 if (ost->encoding_needed &&
2087 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2088 char logfilename[1024];
2089 FILE *f;
2090
2091 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2092 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2093 i);
2094 if (codec->flags & CODEC_FLAG_PASS1) {
2095 f = fopen(logfilename, "wb");
2096 if (!f) {
2097 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2098 exit_program(1);
2099 }
2100 ost->logfile = f;
2101 } else {
2102 char *logbuffer;
2103 size_t logbuffer_size;
2104 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2105 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2106 exit_program(1);
2107 }
2108 codec->stats_in = logbuffer;
2109 }
2110 }
2111 }
2112 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2113 int size= codec->width * codec->height;
2114 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2115 }
2116 }
2117
2118 if (!bit_buffer)
2119 bit_buffer = av_malloc(bit_buffer_size);
2120 if (!bit_buffer) {
2121 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2122 bit_buffer_size);
2123 ret = AVERROR(ENOMEM);
2124 goto fail;
2125 }
2126
2127 /* open each encoder */
2128 for (i = 0; i < nb_output_streams; i++) {
2129 ost = &output_streams[i];
2130 if (ost->encoding_needed) {
2131 AVCodec *codec = ost->enc;
2132 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2133 if (!codec) {
2134 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2135 ost->st->codec->codec_id, ost->file_index, ost->index);
2136 ret = AVERROR(EINVAL);
2137 goto dump_format;
2138 }
2139 if (dec->subtitle_header) {
2140 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2141 if (!ost->st->codec->subtitle_header) {
2142 ret = AVERROR(ENOMEM);
2143 goto dump_format;
2144 }
2145 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2146 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2147 }
2148 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2149 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2150 ost->file_index, ost->index);
2151 ret = AVERROR(EINVAL);
2152 goto dump_format;
2153 }
2154 assert_codec_experimental(ost->st->codec, 1);
2155 assert_avoptions(ost->opts);
2156 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2157 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2158 "It takes bits/s as argument, not kbits/s\n");
2159 extra_size += ost->st->codec->extradata_size;
2160 }
2161 }
2162
2163 /* init input streams */
2164 for (i = 0; i < nb_input_streams; i++)
2165 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error)) < 0))
2166 goto dump_format;
2167
2168 /* open files and write file headers */
2169 for (i = 0; i < nb_output_files; i++) {
2170 os = output_files[i].ctx;
2171 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2172 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2173 ret = AVERROR(EINVAL);
2174 goto dump_format;
2175 }
2176 assert_avoptions(output_files[i].opts);
2177 if (strcmp(os->oformat->name, "rtp")) {
2178 want_sdp = 0;
2179 }
2180 }
2181
2182 dump_format:
2183 /* dump the file output parameters - cannot be done before in case
2184 of stream copy */
2185 for(i=0;i<nb_output_files;i++) {
2186 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2187 }
2188
2189 /* dump the stream mapping */
2190 if (verbose >= 0) {
2191 fprintf(stderr, "Stream mapping:\n");
2192 for (i = 0; i < nb_output_streams;i ++) {
2193 ost = &output_streams[i];
2194 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2195 input_streams[ost->source_index].file_index,
2196 input_streams[ost->source_index].st->index,
2197 ost->file_index,
2198 ost->index);
2199 if (ost->sync_ist != &input_streams[ost->source_index])
2200 fprintf(stderr, " [sync #%d.%d]",
2201 ost->sync_ist->file_index,
2202 ost->sync_ist->st->index);
2203 if (ost->st->stream_copy)
2204 fprintf(stderr, " (copy)");
2205 fprintf(stderr, "\n");
2206 }
2207 }
2208
2209 if (ret) {
2210 fprintf(stderr, "%s\n", error);
2211 goto fail;
2212 }
2213
2214 if (want_sdp) {
2215 print_sdp(output_files, nb_output_files);
2216 }
2217
2218 if (verbose >= 0)
2219 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2220 term_init();
2221
2222 timer_start = av_gettime();
2223
2224 for(; received_sigterm == 0;) {
2225 int file_index, ist_index;
2226 AVPacket pkt;
2227 int64_t ipts_min;
2228 double opts_min;
2229
2230 redo:
2231 ipts_min = INT64_MAX;
2232 opts_min= 1e100;
2233
2234 /* select the stream that we must read now by looking at the
2235 smallest output pts */
2236 file_index = -1;
2237 for (i = 0; i < nb_output_streams; i++) {
2238 int64_t ipts;
2239 double opts;
2240 ost = &output_streams[i];
2241 os = output_files[ost->file_index].ctx;
2242 ist = &input_streams[ost->source_index];
2243 if(ost->is_past_recording_time || no_packet[ist->file_index])
2244 continue;
2245 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2246 ipts = ist->pts;
2247 if (!input_files[ist->file_index].eof_reached){
2248 if(ipts < ipts_min) {
2249 ipts_min = ipts;
2250 if(input_sync ) file_index = ist->file_index;
2251 }
2252 if(opts < opts_min) {
2253 opts_min = opts;
2254 if(!input_sync) file_index = ist->file_index;
2255 }
2256 }
2257 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2258 file_index= -1;
2259 break;
2260 }
2261 }
2262 /* if none, if is finished */
2263 if (file_index < 0) {
2264 if(no_packet_count){
2265 no_packet_count=0;
2266 memset(no_packet, 0, nb_input_files);
2267 usleep(10000);
2268 continue;
2269 }
2270 break;
2271 }
2272
2273 /* finish if limit size exhausted */
2274 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0].ctx->pb))
2275 break;
2276
2277 /* read a frame from it and output it in the fifo */
2278 is = input_files[file_index].ctx;
2279 ret= av_read_frame(is, &pkt);
2280 if(ret == AVERROR(EAGAIN)){
2281 no_packet[file_index]=1;
2282 no_packet_count++;
2283 continue;
2284 }
2285 if (ret < 0) {
2286 input_files[file_index].eof_reached = 1;
2287 if (opt_shortest)
2288 break;
2289 else
2290 continue;
2291 }
2292
2293 no_packet_count=0;
2294 memset(no_packet, 0, nb_input_files);
2295
2296 if (do_pkt_dump) {
2297 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2298 is->streams[pkt.stream_index]);
2299 }
2300 /* the following test is needed in case new streams appear
2301 dynamically in stream : we ignore them */
2302 if (pkt.stream_index >= input_files[file_index].ctx->nb_streams)
2303 goto discard_packet;
2304 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2305 ist = &input_streams[ist_index];
2306 if (ist->discard)
2307 goto discard_packet;
2308
2309 if (pkt.dts != AV_NOPTS_VALUE)
2310 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2311 if (pkt.pts != AV_NOPTS_VALUE)
2312 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2313
2314 if (ist->ts_scale) {
2315 if(pkt.pts != AV_NOPTS_VALUE)
2316 pkt.pts *= ist->ts_scale;
2317 if(pkt.dts != AV_NOPTS_VALUE)
2318 pkt.dts *= ist->ts_scale;
2319 }
2320
2321 // 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);
2322 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2323 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2324 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2325 int64_t delta= pkt_dts - ist->next_pts;
2326 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2327 input_files[ist->file_index].ts_offset -= delta;
2328 if (verbose > 2)
2329 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2330 delta, input_files[ist->file_index].ts_offset);
2331 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2332 if(pkt.pts != AV_NOPTS_VALUE)
2333 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2334 }
2335 }
2336
2337 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2338 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2339
2340 if (verbose >= 0)
2341 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2342 ist->file_index, ist->st->index);
2343 if (exit_on_error)
2344 exit_program(1);
2345 av_free_packet(&pkt);
2346 goto redo;
2347 }
2348
2349 discard_packet:
2350 av_free_packet(&pkt);
2351
2352 /* dump report by using the output first video and audio streams */
2353 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2354 }
2355
2356 /* at the end of stream, we must flush the decoder buffers */
2357 for (i = 0; i < nb_input_streams; i++) {
2358 ist = &input_streams[i];
2359 if (ist->decoding_needed) {
2360 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2361 }
2362 }
2363
2364 term_exit();
2365
2366 /* write the trailer if needed and close file */
2367 for(i=0;i<nb_output_files;i++) {
2368 os = output_files[i].ctx;
2369 av_write_trailer(os);
2370 }
2371
2372 /* dump report by using the first video and audio streams */
2373 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2374
2375 /* close each encoder */
2376 for (i = 0; i < nb_output_streams; i++) {
2377 ost = &output_streams[i];
2378 if (ost->encoding_needed) {
2379 av_freep(&ost->st->codec->stats_in);
2380 avcodec_close(ost->st->codec);
2381 }
2382 #if CONFIG_AVFILTER
2383 avfilter_graph_free(&ost->graph);
2384 #endif
2385 }
2386
2387 /* close each decoder */
2388 for (i = 0; i < nb_input_streams; i++) {
2389 ist = &input_streams[i];
2390 if (ist->decoding_needed) {
2391 avcodec_close(ist->st->codec);
2392 }
2393 }
2394
2395 /* finished ! */
2396 ret = 0;
2397
2398 fail:
2399 av_freep(&bit_buffer);
2400 av_freep(&no_packet);
2401
2402 if (output_streams) {
2403 for (i = 0; i < nb_output_streams; i++) {
2404 ost = &output_streams[i];
2405 if (ost) {
2406 if (ost->st->stream_copy)
2407 av_freep(&ost->st->codec->extradata);
2408 if (ost->logfile) {
2409 fclose(ost->logfile);
2410 ost->logfile = NULL;
2411 }
2412 av_fifo_free(ost->fifo); /* works even if fifo is not
2413 initialized but set to zero */
2414 av_freep(&ost->st->codec->subtitle_header);
2415 av_free(ost->pict_tmp.data[0]);
2416 av_free(ost->forced_kf_pts);
2417 if (ost->video_resample)
2418 sws_freeContext(ost->img_resample_ctx);
2419 if (ost->resample)
2420 audio_resample_close(ost->resample);
2421 if (ost->reformat_ctx)
2422 av_audio_convert_free(ost->reformat_ctx);
2423 av_dict_free(&ost->opts);
2424 }
2425 }
2426 }
2427 return ret;
2428 }
2429
2430 static int opt_format(const char *opt, const char *arg)
2431 {
2432 last_asked_format = arg;
2433 return 0;
2434 }
2435
2436 static int opt_video_rc_override_string(const char *opt, const char *arg)
2437 {
2438 video_rc_override_string = arg;
2439 return 0;
2440 }
2441
2442 static int opt_me_threshold(const char *opt, const char *arg)
2443 {
2444 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2445 return 0;
2446 }
2447
2448 static int opt_verbose(const char *opt, const char *arg)
2449 {
2450 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2451 return 0;
2452 }
2453
2454 static int opt_frame_rate(const char *opt, const char *arg)
2455 {
2456 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2457 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2458 exit_program(1);
2459 }
2460 return 0;
2461 }
2462
2463 static int opt_frame_crop(const char *opt, const char *arg)
2464 {
2465 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2466 return AVERROR(EINVAL);
2467 }
2468
2469 static int opt_frame_size(const char *opt, const char *arg)
2470 {
2471 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2472 fprintf(stderr, "Incorrect frame size\n");
2473 return AVERROR(EINVAL);
2474 }
2475 return 0;
2476 }
2477
2478 static int opt_pad(const char *opt, const char *arg) {
2479 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2480 return -1;
2481 }
2482
2483 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2484 {
2485 if (strcmp(arg, "list")) {
2486 frame_pix_fmt = av_get_pix_fmt(arg);
2487 if (frame_pix_fmt == PIX_FMT_NONE) {
2488 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2489 return AVERROR(EINVAL);
2490 }
2491 } else {
2492 show_pix_fmts();
2493 exit_program(0);
2494 }
2495 return 0;
2496 }
2497
2498 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2499 {
2500 int x = 0, y = 0;
2501 double ar = 0;
2502 const char *p;
2503 char *end;
2504
2505 p = strchr(arg, ':');
2506 if (p) {
2507 x = strtol(arg, &end, 10);
2508 if (end == p)
2509 y = strtol(end+1, &end, 10);
2510 if (x > 0 && y > 0)
2511 ar = (double)x / (double)y;
2512 } else
2513 ar = strtod(arg, NULL);
2514
2515 if (!ar) {
2516 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2517 return AVERROR(EINVAL);
2518 }
2519 frame_aspect_ratio = ar;
2520 return 0;
2521 }
2522
2523 static int opt_metadata(const char *opt, const char *arg)
2524 {
2525 char *mid= strchr(arg, '=');
2526
2527 if(!mid){
2528 fprintf(stderr, "Missing =\n");
2529 exit_program(1);
2530 }
2531 *mid++= 0;
2532
2533 av_dict_set(&metadata, arg, mid, 0);
2534
2535 return 0;
2536 }
2537
2538 static int opt_qscale(const char *opt, const char *arg)
2539 {
2540 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2541 if (video_qscale == 0) {
2542 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2543 return AVERROR(EINVAL);
2544 }
2545 return 0;
2546 }
2547
2548 static int opt_top_field_first(const char *opt, const char *arg)
2549 {
2550 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2551 return 0;
2552 }
2553
2554 static int opt_thread_count(const char *opt, const char *arg)
2555 {
2556 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2557 #if !HAVE_THREADS
2558 if (verbose >= 0)
2559 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2560 #endif
2561 return 0;
2562 }
2563
2564 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2565 {
2566 if (strcmp(arg, "list")) {
2567 audio_sample_fmt = av_get_sample_fmt(arg);
2568 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2569 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2570 return AVERROR(EINVAL);
2571 }
2572 } else {
2573 int i;
2574 char fmt_str[128];
2575 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2576 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2577 exit_program(0);
2578 }
2579 return 0;
2580 }
2581
2582 static int opt_audio_rate(const char *opt, const char *arg)
2583 {
2584 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2585 return 0;
2586 }
2587
2588 static int opt_audio_channels(const char *opt, const char *arg)
2589 {
2590 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2591 return 0;
2592 }
2593
2594 static int opt_codec(const char *opt, const char *arg)
2595 {
2596 return av_dict_set(&codec_names, opt, arg, 0);
2597 }
2598
2599 static int opt_audio_codec(const char *opt, const char *arg)
2600 {
2601 return opt_codec("codec:a", arg);
2602 }
2603
2604 static int opt_video_codec(const char *opt, const char *arg)
2605 {
2606 return opt_codec("codec:v", arg);
2607 }
2608
2609 static int opt_subtitle_codec(const char *opt, const char *arg)
2610 {
2611 return opt_codec("codec:s", arg);
2612 }
2613
2614 static int opt_data_codec(const char *opt, const char *arg)
2615 {
2616 return opt_codec("codec:d", arg);
2617 }
2618
2619 static int opt_codec_tag(const char *opt, const char *arg)
2620 {
2621 char *tail;
2622 uint32_t *codec_tag;
2623
2624 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2625 !strcmp(opt, "vtag") ? &video_codec_tag :
2626 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2627 if (!codec_tag)
2628 return -1;
2629
2630 *codec_tag = strtol(arg, &tail, 0);
2631 if (!tail || *tail)
2632 *codec_tag = AV_RL32(arg);
2633
2634 return 0;
2635 }
2636
2637 static int opt_map(const char *opt, const char *arg)
2638 {
2639 StreamMap *m = NULL;
2640 int i, negative = 0, file_idx;
2641 int sync_file_idx = -1, sync_stream_idx;
2642 char *p, *sync;
2643 char *map;
2644
2645 if (*arg == '-') {
2646 negative = 1;
2647 arg++;
2648 }
2649 map = av_strdup(arg);
2650
2651 /* parse sync stream first, just pick first matching stream */
2652 if (sync = strchr(map, ',')) {
2653 *sync = 0;
2654 sync_file_idx = strtol(sync + 1, &sync, 0);
2655 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2656 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2657 exit_program(1);
2658 }
2659 if (*sync)
2660 sync++;
2661 for (i = 0; i < input_files[sync_file_idx].ctx->nb_streams; i++)
2662 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2663 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2664 sync_stream_idx = i;
2665 break;
2666 }
2667 if (i == input_files[sync_file_idx].ctx->nb_streams) {
2668 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2669 "match any streams.\n", arg);
2670 exit_program(1);
2671 }
2672 }
2673
2674
2675 file_idx = strtol(map, &p, 0);
2676 if (file_idx >= nb_input_files || file_idx < 0) {
2677 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2678 exit_program(1);
2679 }
2680 if (negative)
2681 /* disable some already defined maps */
2682 for (i = 0; i < nb_stream_maps; i++) {
2683 m = &stream_maps[i];
2684 if (check_stream_specifier(input_files[m->file_index].ctx,
2685 input_files[m->file_index].ctx->streams[m->stream_index],
2686 *p == ':' ? p + 1 : p) > 0)
2687 m->disabled = 1;
2688 }
2689 else
2690 for (i = 0; i < input_files[file_idx].ctx->nb_streams; i++) {
2691 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2692 *p == ':' ? p + 1 : p) <= 0)
2693 continue;
2694 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2695 m = &stream_maps[nb_stream_maps - 1];
2696
2697 m->file_index = file_idx;
2698 m->stream_index = i;
2699
2700 if (sync_file_idx >= 0) {
2701 m->sync_file_index = sync_file_idx;
2702 m->sync_stream_index = sync_stream_idx;
2703 } else {
2704 m->sync_file_index = file_idx;
2705 m->sync_stream_index = i;
2706 }
2707 }
2708
2709 if (!m) {
2710 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2711 exit_program(1);
2712 }
2713
2714 av_freep(&map);
2715 return 0;
2716 }
2717
2718 static void parse_meta_type(char *arg, char *type, int *index)
2719 {
2720 if (*arg == ':') {
2721 *type = *(++arg);
2722 switch (*arg) {
2723 case 'g':
2724 break;
2725 case 's':
2726 case 'c':
2727 case 'p':
2728 if (*(++arg) == ':')
2729 *index = strtol(++arg, NULL, 0);
2730 break;
2731 default:
2732 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2733 exit_program(1);
2734 }
2735 } else
2736 *type = 'g';
2737 }
2738
2739 static int opt_map_metadata(const char *opt, const char *arg)
2740 {
2741 MetadataMap *m, *m1;
2742 char *p;
2743
2744 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2745 &nb_meta_data_maps, nb_meta_data_maps + 1);
2746
2747 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2748 m->file = strtol(arg, &p, 0);
2749 parse_meta_type(p, &m->type, &m->index);
2750
2751 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2752 if (p = strchr(opt, ':'))
2753 parse_meta_type(p, &m1->type, &m1->index);
2754 else
2755 m1->type = 'g';
2756
2757 if (m->type == 'g' || m1->type == 'g')
2758 metadata_global_autocopy = 0;
2759 if (m->type == 's' || m1->type == 's')
2760 metadata_streams_autocopy = 0;
2761 if (m->type == 'c' || m1->type == 'c')
2762 metadata_chapters_autocopy = 0;
2763
2764 return 0;
2765 }
2766
2767 static int opt_input_ts_scale(const char *opt, const char *arg)
2768 {
2769 return av_dict_set(&ts_scale, opt, arg, 0);
2770 }
2771
2772 static int opt_recording_time(const char *opt, const char *arg)
2773 {
2774 recording_time = parse_time_or_die(opt, arg, 1);
2775 return 0;
2776 }
2777
2778 static int opt_start_time(const char *opt, const char *arg)
2779 {
2780 start_time = parse_time_or_die(opt, arg, 1);
2781 return 0;
2782 }
2783
2784 static int opt_input_ts_offset(const char *opt, const char *arg)
2785 {
2786 input_ts_offset = parse_time_or_die(opt, arg, 1);
2787 return 0;
2788 }
2789
2790 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2791 {
2792 const char *codec_string = encoder ? "encoder" : "decoder";
2793 AVCodec *codec;
2794
2795 if(!name)
2796 return CODEC_ID_NONE;
2797 codec = encoder ?
2798 avcodec_find_encoder_by_name(name) :
2799 avcodec_find_decoder_by_name(name);
2800 if(!codec) {
2801 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2802 exit_program(1);
2803 }
2804 if(codec->type != type) {
2805 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2806 exit_program(1);
2807 }
2808 return codec->id;
2809 }
2810
2811 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
2812 {
2813 AVDictionaryEntry *e = NULL;
2814 char *codec_name = NULL;
2815 int ret;
2816
2817 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
2818 char *p = strchr(e->key, ':');
2819
2820 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
2821 codec_name = e->value;
2822 else if (ret < 0)
2823 exit_program(1);
2824 }
2825
2826 if (!codec_name) {
2827 if (s->oformat) {
2828 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2829 return avcodec_find_encoder(st->codec->codec_id);
2830 }
2831 } else if (!strcmp(codec_name, "copy"))
2832 st->stream_copy = 1;
2833 else {
2834 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2835 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2836 avcodec_find_decoder_by_name(codec_name);
2837 }
2838
2839 return NULL;
2840 }
2841
2842 /**
2843 * Add all the streams from the given input file to the global
2844 * list of input streams.
2845 */
2846 static void add_input_streams(AVFormatContext *ic)
2847 {
2848 int i, rfps, rfps_base, ret;
2849
2850 for (i = 0; i < ic->nb_streams; i++) {
2851 AVStream *st = ic->streams[i];
2852 AVCodecContext *dec = st->codec;
2853 AVDictionaryEntry *e = NULL;
2854 InputStream *ist;
2855 char *scale = NULL;
2856
2857 dec->thread_count = thread_count;
2858
2859 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2860 ist = &input_streams[nb_input_streams - 1];
2861 ist->st = st;
2862 ist->file_index = nb_input_files;
2863 ist->discard = 1;
2864 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2865
2866 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
2867 char *p = strchr(e->key, ':');
2868
2869 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
2870 scale = e->value;
2871 else if (ret < 0)
2872 exit_program(1);
2873 }
2874 if (scale)
2875 ist->ts_scale = strtod(scale, NULL);
2876
2877 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
2878
2879 switch (dec->codec_type) {
2880 case AVMEDIA_TYPE_AUDIO:
2881 if(audio_disable)
2882 st->discard= AVDISCARD_ALL;
2883 break;
2884 case AVMEDIA_TYPE_VIDEO:
2885 rfps = ic->streams[i]->r_frame_rate.num;
2886 rfps_base = ic->streams[i]->r_frame_rate.den;
2887 if (dec->lowres) {
2888 dec->flags |= CODEC_FLAG_EMU_EDGE;
2889 dec->height >>= dec->lowres;
2890 dec->width >>= dec->lowres;
2891 }
2892 if(me_threshold)
2893 dec->debug |= FF_DEBUG_MV;
2894
2895 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2896
2897 if (verbose >= 0)
2898 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2899 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2900
2901 (float)rfps / rfps_base, rfps, rfps_base);
2902 }
2903
2904 if(video_disable)
2905 st->discard= AVDISCARD_ALL;
2906 else if(video_discard)
2907 st->discard= video_discard;
2908 break;
2909 case AVMEDIA_TYPE_DATA:
2910 break;
2911 case AVMEDIA_TYPE_SUBTITLE:
2912 if(subtitle_disable)
2913 st->discard = AVDISCARD_ALL;
2914 break;
2915 case AVMEDIA_TYPE_ATTACHMENT:
2916 case AVMEDIA_TYPE_UNKNOWN:
2917 break;
2918 default:
2919 abort();
2920 }
2921 }
2922 }
2923
2924 static int opt_input_file(const char *opt, const char *filename)
2925 {
2926 AVFormatContext *ic;
2927 AVInputFormat *file_iformat = NULL;
2928 int err, i, ret;
2929 int64_t timestamp;
2930 uint8_t buf[128];
2931 AVDictionary **opts;
2932 int orig_nb_streams; // number of streams before avformat_find_stream_info
2933
2934 if (last_asked_format) {
2935 if (!(file_iformat = av_find_input_format(last_asked_format))) {
2936 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
2937 exit_program(1);
2938 }
2939 last_asked_format = NULL;
2940 }
2941
2942 if (!strcmp(filename, "-"))
2943 filename = "pipe:";
2944
2945 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2946 !strcmp(filename, "/dev/stdin");
2947
2948 /* get default parameters from command line */
2949 ic = avformat_alloc_context();
2950 if (!ic) {
2951 print_error(filename, AVERROR(ENOMEM));
2952 exit_program(1);
2953 }
2954 if (audio_sample_rate) {
2955 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
2956 av_dict_set(&format_opts, "sample_rate", buf, 0);
2957 }
2958 if (audio_channels) {
2959 snprintf(buf, sizeof(buf), "%d", audio_channels);
2960 av_dict_set(&format_opts, "channels", buf, 0);
2961 }
2962 if (frame_rate.num) {
2963 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
2964 av_dict_set(&format_opts, "framerate", buf, 0);
2965 }
2966 if (frame_width && frame_height) {
2967 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
2968 av_dict_set(&format_opts, "video_size", buf, 0);
2969 }
2970 if (frame_pix_fmt != PIX_FMT_NONE)
2971 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
2972
2973 ic->flags |= AVFMT_FLAG_NONBLOCK;
2974
2975 /* open the input file with generic libav function */
2976 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2977 if (err < 0) {
2978 print_error(filename, err);
2979 exit_program(1);
2980 }
2981 assert_avoptions(format_opts);
2982
2983 if(opt_programid) {
2984 int i, j;
2985 int found=0;
2986 for(i=0; i<ic->nb_streams; i++){
2987 ic->streams[i]->discard= AVDISCARD_ALL;
2988 }
2989 for(i=0; i<ic->nb_programs; i++){
2990 AVProgram *p= ic->programs[i];
2991 if(p->id != opt_programid){
2992 p->discard = AVDISCARD_ALL;
2993 }else{
2994 found=1;
2995 for(j=0; j<p->nb_stream_indexes; j++){
2996 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
2997 }
2998 }
2999 }
3000 if(!found){
3001 fprintf(stderr, "Specified program id not found\n");
3002 exit_program(1);
3003 }
3004 opt_programid=0;
3005 }
3006
3007 /* apply forced codec ids */
3008 for (i = 0; i < ic->nb_streams; i++)
3009 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
3010
3011 /* Set AVCodecContext options for avformat_find_stream_info */
3012 opts = setup_find_stream_info_opts(ic, codec_opts);
3013 orig_nb_streams = ic->nb_streams;
3014
3015 /* If not enough info to get the stream parameters, we decode the
3016 first frames to get it. (used in mpeg case for example) */
3017 ret = avformat_find_stream_info(ic, opts);
3018 if (ret < 0 && verbose >= 0) {
3019 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3020 av_close_input_file(ic);
3021 exit_program(1);
3022 }
3023
3024 timestamp = start_time;
3025 /* add the stream start time */
3026 if (ic->start_time != AV_NOPTS_VALUE)
3027 timestamp += ic->start_time;
3028
3029 /* if seeking requested, we execute it */
3030 if (start_time != 0) {
3031 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3032 if (ret < 0) {
3033 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3034 filename, (double)timestamp / AV_TIME_BASE);
3035 }
3036 /* reset seek info */
3037 start_time = 0;
3038 }
3039
3040 /* update the current parameters so that they match the one of the input stream */
3041 add_input_streams(ic);
3042
3043 /* dump the file content */
3044 if (verbose >= 0)
3045 av_dump_format(ic, nb_input_files, filename, 0);
3046
3047 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3048 input_files[nb_input_files - 1].ctx = ic;
3049 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3050 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3051
3052 frame_rate = (AVRational){0, 0};
3053 frame_pix_fmt = PIX_FMT_NONE;
3054 frame_height = 0;
3055 frame_width = 0;
3056 audio_sample_rate = 0;
3057 audio_channels = 0;
3058 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3059 av_dict_free(&ts_scale);
3060
3061 for (i = 0; i < orig_nb_streams; i++)
3062 av_dict_free(&opts[i]);
3063 av_freep(&opts);
3064 av_dict_free(&codec_names);
3065 uninit_opts();
3066 init_opts();
3067 return 0;
3068 }
3069
3070 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3071 AVCodecContext *avctx)
3072 {
3073 char *p;
3074 int n = 1, i;
3075 int64_t t;
3076
3077 for (p = kf; *p; p++)
3078 if (*p == ',')
3079 n++;
3080 ost->forced_kf_count = n;
3081 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3082 if (!ost->forced_kf_pts) {
3083 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3084 exit_program(1);
3085 }
3086 for (i = 0; i < n; i++) {
3087 p = i ? strchr(p, ',') + 1 : kf;
3088 t = parse_time_or_die("force_key_frames", p, 1);
3089 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3090 }
3091 }
3092
3093 static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type)
3094 {
3095 OutputStream *ost;
3096 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3097 int idx = oc->nb_streams - 1;
3098
3099 if (!st) {
3100 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3101 exit_program(1);
3102 }
3103
3104 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3105 nb_output_streams + 1);
3106 ost = &output_streams[nb_output_streams - 1];
3107 ost->file_index = nb_output_files;
3108 ost->index = idx;
3109 ost->st = st;
3110 st->codec->codec_type = type;
3111 ost->enc = choose_codec(oc, st, type, codec_names);
3112 if (ost->enc) {
3113 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3114 }
3115
3116 avcodec_get_context_defaults3(st->codec, ost->enc);
3117 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3118
3119 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3120 return ost;
3121 }
3122
3123 static OutputStream *new_video_stream(AVFormatContext *oc)
3124 {
3125 AVStream *st;
3126 OutputStream *ost;
3127 AVCodecContext *video_enc;
3128
3129 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO);
3130 st = ost->st;
3131 if (!st->stream_copy) {
3132 ost->frame_aspect_ratio = frame_aspect_ratio;
3133 frame_aspect_ratio = 0;
3134 #if CONFIG_AVFILTER
3135 ost->avfilter= vfilters;
3136 vfilters = NULL;
3137 #endif
3138 }
3139
3140 ost->bitstream_filters = video_bitstream_filters;
3141 video_bitstream_filters= NULL;
3142
3143 st->codec->thread_count= thread_count;
3144
3145 video_enc = st->codec;
3146
3147 if(video_codec_tag)
3148 video_enc->codec_tag= video_codec_tag;
3149
3150 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3151 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3152 }
3153
3154 if (st->stream_copy) {
3155 video_enc->sample_aspect_ratio =
3156 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3157 } else {
3158 const char *p;
3159 int i;
3160
3161 if (frame_rate.num)
3162 ost->frame_rate = frame_rate;
3163
3164 video_enc->width = frame_width;
3165 video_enc->height = frame_height;
3166 video_enc->pix_fmt = frame_pix_fmt;
3167 st->