cmdutils: remove OPT_FUNC2
[libav.git] / ffmpeg.c
1 /*
2 * ffmpeg main
3 * Copyright (c) 2000-2003 Fabrice Bellard
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/pixdesc.h"
43 #include "libavutil/avstring.h"
44 #include "libavutil/libm.h"
45 #include "libavformat/os_support.h"
46
47 #if CONFIG_AVFILTER
48 # include "libavfilter/avfilter.h"
49 # include "libavfilter/avfiltergraph.h"
50 # include "libavfilter/vsrc_buffer.h"
51 #endif
52
53 #if HAVE_SYS_RESOURCE_H
54 #include <sys/types.h>
55 #include <sys/time.h>
56 #include <sys/resource.h>
57 #elif HAVE_GETPROCESSTIMES
58 #include <windows.h>
59 #endif
60 #if HAVE_GETPROCESSMEMORYINFO
61 #include <windows.h>
62 #include <psapi.h>
63 #endif
64
65 #if HAVE_SYS_SELECT_H
66 #include <sys/select.h>
67 #endif
68
69 #include <time.h>
70
71 #include "cmdutils.h"
72
73 #include "libavutil/avassert.h"
74
75 const char program_name[] = "ffmpeg";
76 const int program_birth_year = 2000;
77
78 /* select an input stream for an output stream */
79 typedef struct AVStreamMap {
80 int file_index;
81 int stream_index;
82 int sync_file_index;
83 int sync_stream_index;
84 } AVStreamMap;
85
86 /**
87 * select an input file for an output file
88 */
89 typedef struct AVMetaDataMap {
90 int file; //< file index
91 char type; //< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
92 int index; //< stream/chapter/program number
93 } AVMetaDataMap;
94
95 typedef struct AVChapterMap {
96 int in_file;
97 int out_file;
98 } AVChapterMap;
99
100 static const OptionDef options[];
101
102 #define MAX_FILES 100
103 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
104
105 #define FFM_PACKET_SIZE 4096 //XXX a duplicate of the line in ffm.h
106
107 static const char *last_asked_format = NULL;
108 static int64_t input_files_ts_offset[MAX_FILES];
109 static double *input_files_ts_scale[MAX_FILES] = {NULL};
110 static AVCodec **input_codecs = NULL;
111 static int nb_input_codecs = 0;
112 static int nb_input_files_ts_scale[MAX_FILES] = {0};
113
114 static AVFormatContext *output_files[MAX_FILES];
115 static AVCodec **output_codecs = NULL;
116 static int nb_output_files = 0;
117 static int nb_output_codecs = 0;
118
119 static AVStreamMap *stream_maps = NULL;
120 static int nb_stream_maps;
121
122 /* first item specifies output metadata, second is input */
123 static AVMetaDataMap (*meta_data_maps)[2] = NULL;
124 static int nb_meta_data_maps;
125 static int metadata_global_autocopy = 1;
126 static int metadata_streams_autocopy = 1;
127 static int metadata_chapters_autocopy = 1;
128
129 static AVChapterMap *chapter_maps = NULL;
130 static int nb_chapter_maps;
131
132 /* indexed by output file stream index */
133 static int *streamid_map = NULL;
134 static int nb_streamid_map = 0;
135
136 static int frame_width = 0;
137 static int frame_height = 0;
138 static float frame_aspect_ratio = 0;
139 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
140 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
141 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
142 static AVRational frame_rate;
143 static float video_qscale = 0;
144 static uint16_t *intra_matrix = NULL;
145 static uint16_t *inter_matrix = NULL;
146 static const char *video_rc_override_string=NULL;
147 static int video_disable = 0;
148 static int video_discard = 0;
149 static char *video_codec_name = NULL;
150 static unsigned int video_codec_tag = 0;
151 static char *video_language = NULL;
152 static int same_quality = 0;
153 static int do_deinterlace = 0;
154 static int top_field_first = -1;
155 static int me_threshold = 0;
156 static int intra_dc_precision = 8;
157 static int loop_input = 0;
158 static int loop_output = AVFMT_NOOUTPUTLOOP;
159 static int qp_hist = 0;
160 #if CONFIG_AVFILTER
161 static char *vfilters = NULL;
162 #endif
163
164 static int intra_only = 0;
165 static int audio_sample_rate = 44100;
166 static int64_t channel_layout = 0;
167 #define QSCALE_NONE -99999
168 static float audio_qscale = QSCALE_NONE;
169 static int audio_disable = 0;
170 static int audio_channels = 1;
171 static char *audio_codec_name = NULL;
172 static unsigned int audio_codec_tag = 0;
173 static char *audio_language = NULL;
174
175 static int subtitle_disable = 0;
176 static char *subtitle_codec_name = NULL;
177 static char *subtitle_language = NULL;
178 static unsigned int subtitle_codec_tag = 0;
179
180 static int data_disable = 0;
181 static char *data_codec_name = NULL;
182 static unsigned int data_codec_tag = 0;
183
184 static float mux_preload= 0.5;
185 static float mux_max_delay= 0.7;
186
187 static int64_t recording_time = INT64_MAX;
188 static int64_t start_time = 0;
189 static int64_t recording_timestamp = 0;
190 static int64_t input_ts_offset = 0;
191 static int file_overwrite = 0;
192 static AVMetadata *metadata;
193 static int do_benchmark = 0;
194 static int do_hex_dump = 0;
195 static int do_pkt_dump = 0;
196 static int do_psnr = 0;
197 static int do_pass = 0;
198 static char *pass_logfilename_prefix = NULL;
199 static int audio_stream_copy = 0;
200 static int video_stream_copy = 0;
201 static int subtitle_stream_copy = 0;
202 static int data_stream_copy = 0;
203 static int video_sync_method= -1;
204 static int audio_sync_method= 0;
205 static float audio_drift_threshold= 0.1;
206 static int copy_ts= 0;
207 static int copy_tb;
208 static int opt_shortest = 0;
209 static char *vstats_filename;
210 static FILE *vstats_file;
211 static int opt_programid = 0;
212 static int copy_initial_nonkeyframes = 0;
213
214 static int rate_emu = 0;
215
216 static int video_channel = 0;
217 static char *video_standard;
218
219 static int audio_volume = 256;
220
221 static int exit_on_error = 0;
222 static int using_stdin = 0;
223 static int verbose = 1;
224 static int thread_count= 1;
225 static int64_t video_size = 0;
226 static int64_t audio_size = 0;
227 static int64_t extra_size = 0;
228 static int nb_frames_dup = 0;
229 static int nb_frames_drop = 0;
230 static int input_sync;
231 static uint64_t limit_filesize = 0;
232 static int force_fps = 0;
233 static char *forced_key_frames = NULL;
234
235 static float dts_delta_threshold = 10;
236
237 static int64_t timer_start;
238
239 static uint8_t *audio_buf;
240 static uint8_t *audio_out;
241 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
242
243 static short *samples;
244
245 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
246 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
247 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
248
249 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
250
251 struct AVInputStream;
252
253 typedef struct AVOutputStream {
254 int file_index; /* file index */
255 int index; /* stream index in the output file */
256 int source_index; /* AVInputStream index */
257 AVStream *st; /* stream in the output file */
258 int encoding_needed; /* true if encoding needed for this stream */
259 int frame_number;
260 /* input pts and corresponding output pts
261 for A/V sync */
262 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
263 struct AVInputStream *sync_ist; /* input stream to sync against */
264 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
265 AVBitStreamFilterContext *bitstream_filters;
266 /* video only */
267 int video_resample;
268 AVFrame pict_tmp; /* temporary image for resampling */
269 struct SwsContext *img_resample_ctx; /* for image resampling */
270 int resample_height;
271 int resample_width;
272 int resample_pix_fmt;
273
274 float frame_aspect_ratio;
275
276 /* forced key frames */
277 int64_t *forced_kf_pts;
278 int forced_kf_count;
279 int forced_kf_index;
280
281 /* audio only */
282 int audio_resample;
283 ReSampleContext *resample; /* for audio resampling */
284 int resample_sample_fmt;
285 int resample_channels;
286 int resample_sample_rate;
287 int reformat_pair;
288 AVAudioConvert *reformat_ctx;
289 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
290 FILE *logfile;
291
292 #if CONFIG_AVFILTER
293 AVFilterContext *output_video_filter;
294 AVFilterContext *input_video_filter;
295 AVFilterBufferRef *picref;
296 char *avfilter;
297 AVFilterGraph *graph;
298 #endif
299
300 int sws_flags;
301 } AVOutputStream;
302
303 static AVOutputStream **output_streams_for_file[MAX_FILES] = { NULL };
304 static int nb_output_streams_for_file[MAX_FILES] = { 0 };
305
306 typedef struct AVInputStream {
307 int file_index;
308 AVStream *st;
309 int discard; /* true if stream data should be discarded */
310 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
311 int64_t sample_index; /* current sample */
312
313 int64_t start; /* time when read started */
314 int64_t next_pts; /* synthetic pts for cases where pkt.pts
315 is not defined */
316 int64_t pts; /* current pts */
317 PtsCorrectionContext pts_ctx;
318 int is_start; /* is 1 at the start and after a discontinuity */
319 int showed_multi_packet_warning;
320 int is_past_recording_time;
321 #if CONFIG_AVFILTER
322 AVFrame *filter_frame;
323 int has_filter_frame;
324 #endif
325 } AVInputStream;
326
327 typedef struct AVInputFile {
328 AVFormatContext *ctx;
329 int eof_reached; /* true if eof reached */
330 int ist_index; /* index of first stream in ist_table */
331 int buffer_size; /* current total buffer size */
332 } AVInputFile;
333
334 static AVInputStream *input_streams = NULL;
335 static int nb_input_streams = 0;
336 static AVInputFile *input_files = NULL;
337 static int nb_input_files = 0;
338
339 #if CONFIG_AVFILTER
340
341 static int configure_video_filters(AVInputStream *ist, AVOutputStream *ost)
342 {
343 AVFilterContext *last_filter, *filter;
344 /** filter graph containing all filters including input & output */
345 AVCodecContext *codec = ost->st->codec;
346 AVCodecContext *icodec = ist->st->codec;
347 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
348 AVRational sample_aspect_ratio;
349 char args[255];
350 int ret;
351
352 ost->graph = avfilter_graph_alloc();
353
354 if (ist->st->sample_aspect_ratio.num){
355 sample_aspect_ratio = ist->st->sample_aspect_ratio;
356 }else
357 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
358
359 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
360 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
361 sample_aspect_ratio.num, sample_aspect_ratio.den);
362
363 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
364 "src", args, NULL, ost->graph);
365 if (ret < 0)
366 return ret;
367 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
368 "out", NULL, &ffsink_ctx, ost->graph);
369 if (ret < 0)
370 return ret;
371 last_filter = ost->input_video_filter;
372
373 if (codec->width != icodec->width || codec->height != icodec->height) {
374 snprintf(args, 255, "%d:%d:flags=0x%X",
375 codec->width,
376 codec->height,
377 ost->sws_flags);
378 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
379 NULL, args, NULL, ost->graph)) < 0)
380 return ret;
381 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
382 return ret;
383 last_filter = filter;
384 }
385
386 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
387 ost->graph->scale_sws_opts = av_strdup(args);
388
389 if (ost->avfilter) {
390 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
391 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
392
393 outputs->name = av_strdup("in");
394 outputs->filter_ctx = last_filter;
395 outputs->pad_idx = 0;
396 outputs->next = NULL;
397
398 inputs->name = av_strdup("out");
399 inputs->filter_ctx = ost->output_video_filter;
400 inputs->pad_idx = 0;
401 inputs->next = NULL;
402
403 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
404 return ret;
405 av_freep(&ost->avfilter);
406 } else {
407 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
408 return ret;
409 }
410
411 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
412 return ret;
413
414 codec->width = ost->output_video_filter->inputs[0]->w;
415 codec->height = ost->output_video_filter->inputs[0]->h;
416 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
417 ost->frame_aspect_ratio ? // overriden by the -aspect cli option
418 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
419 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
420
421 return 0;
422 }
423 #endif /* CONFIG_AVFILTER */
424
425 static void term_exit(void)
426 {
427 av_log(NULL, AV_LOG_QUIET, "");
428 }
429
430 static volatile int received_sigterm = 0;
431 static volatile int received_nb_signals = 0;
432
433 static void
434 sigterm_handler(int sig)
435 {
436 received_sigterm = sig;
437 received_nb_signals++;
438 term_exit();
439 }
440
441 static void term_init(void)
442 {
443 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
444 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
445 #ifdef SIGXCPU
446 signal(SIGXCPU, sigterm_handler);
447 #endif
448 }
449
450 static int decode_interrupt_cb(void)
451 {
452 return received_nb_signals > 1;
453 }
454
455 static int ffmpeg_exit(int ret)
456 {
457 int i;
458
459 /* close files */
460 for(i=0;i<nb_output_files;i++) {
461 AVFormatContext *s = output_files[i];
462 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
463 avio_close(s->pb);
464 avformat_free_context(s);
465 av_free(output_streams_for_file[i]);
466 }
467 for(i=0;i<nb_input_files;i++) {
468 av_close_input_file(input_files[i].ctx);
469 av_free(input_files_ts_scale[i]);
470 }
471
472 av_free(intra_matrix);
473 av_free(inter_matrix);
474
475 if (vstats_file)
476 fclose(vstats_file);
477 av_free(vstats_filename);
478
479 av_free(streamid_map);
480 av_free(input_codecs);
481 av_free(output_codecs);
482 av_free(stream_maps);
483 av_free(meta_data_maps);
484
485 av_freep(&input_streams);
486 av_freep(&input_files);
487
488 av_free(video_codec_name);
489 av_free(audio_codec_name);
490 av_free(subtitle_codec_name);
491 av_free(data_codec_name);
492
493 av_free(video_standard);
494
495 uninit_opts();
496 av_free(audio_buf);
497 av_free(audio_out);
498 allocated_audio_buf_size= allocated_audio_out_size= 0;
499 av_free(samples);
500
501 #if CONFIG_AVFILTER
502 avfilter_uninit();
503 #endif
504
505 if (received_sigterm) {
506 fprintf(stderr,
507 "Received signal %d: terminating.\n",
508 (int) received_sigterm);
509 exit (255);
510 }
511
512 exit(ret); /* not all OS-es handle main() return value */
513 return ret;
514 }
515
516 /* similar to ff_dynarray_add() and av_fast_realloc() */
517 static void *grow_array(void *array, int elem_size, int *size, int new_size)
518 {
519 if (new_size >= INT_MAX / elem_size) {
520 fprintf(stderr, "Array too big.\n");
521 ffmpeg_exit(1);
522 }
523 if (*size < new_size) {
524 uint8_t *tmp = av_realloc(array, new_size*elem_size);
525 if (!tmp) {
526 fprintf(stderr, "Could not alloc buffer.\n");
527 ffmpeg_exit(1);
528 }
529 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
530 *size = new_size;
531 return tmp;
532 }
533 return array;
534 }
535
536 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
537 {
538 if(codec && codec->sample_fmts){
539 const enum AVSampleFormat *p= codec->sample_fmts;
540 for(; *p!=-1; p++){
541 if(*p == st->codec->sample_fmt)
542 break;
543 }
544 if (*p == -1) {
545 av_log(NULL, AV_LOG_WARNING,
546 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
547 av_get_sample_fmt_name(st->codec->sample_fmt),
548 codec->name,
549 av_get_sample_fmt_name(codec->sample_fmts[0]));
550 st->codec->sample_fmt = codec->sample_fmts[0];
551 }
552 }
553 }
554
555 /**
556 * Update the requested input sample format based on the output sample format.
557 * This is currently only used to request float output from decoders which
558 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
559 * Ideally this will be removed in the future when decoders do not do format
560 * conversion and only output in their native format.
561 */
562 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
563 AVCodecContext *enc)
564 {
565 /* if sample formats match or a decoder sample format has already been
566 requested, just return */
567 if (enc->sample_fmt == dec->sample_fmt ||
568 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
569 return;
570
571 /* if decoder supports more than one output format */
572 if (dec_codec && dec_codec->sample_fmts &&
573 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
574 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
575 enum AVSampleFormat *p;
576 int min_dec = -1, min_inc = -1;
577
578 /* find a matching sample format in the encoder */
579 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
580 if (*p == enc->sample_fmt) {
581 dec->request_sample_fmt = *p;
582 return;
583 } else if (*p > enc->sample_fmt) {
584 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
585 } else
586 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
587 }
588
589 /* if none match, provide the one that matches quality closest */
590 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
591 enc->sample_fmt - min_dec;
592 }
593 }
594
595 static void choose_sample_rate(AVStream *st, AVCodec *codec)
596 {
597 if(codec && codec->supported_samplerates){
598 const int *p= codec->supported_samplerates;
599 int best=0;
600 int best_dist=INT_MAX;
601 for(; *p; p++){
602 int dist= abs(st->codec->sample_rate - *p);
603 if(dist < best_dist){
604 best_dist= dist;
605 best= *p;
606 }
607 }
608 if(best_dist){
609 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
610 }
611 st->codec->sample_rate= best;
612 }
613 }
614
615 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
616 {
617 if(codec && codec->pix_fmts){
618 const enum PixelFormat *p= codec->pix_fmts;
619 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
620 if(st->codec->codec_id==CODEC_ID_MJPEG){
621 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
622 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
623 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};
624 }
625 }
626 for(; *p!=-1; p++){
627 if(*p == st->codec->pix_fmt)
628 break;
629 }
630 if (*p == -1) {
631 if(st->codec->pix_fmt != PIX_FMT_NONE)
632 av_log(NULL, AV_LOG_WARNING,
633 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
634 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
635 codec->name,
636 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
637 st->codec->pix_fmt = codec->pix_fmts[0];
638 }
639 }
640 }
641
642 static AVOutputStream *new_output_stream(AVFormatContext *oc, int file_idx)
643 {
644 int idx = oc->nb_streams - 1;
645 AVOutputStream *ost;
646
647 output_streams_for_file[file_idx] =
648 grow_array(output_streams_for_file[file_idx],
649 sizeof(*output_streams_for_file[file_idx]),
650 &nb_output_streams_for_file[file_idx],
651 oc->nb_streams);
652 ost = output_streams_for_file[file_idx][idx] =
653 av_mallocz(sizeof(AVOutputStream));
654 if (!ost) {
655 fprintf(stderr, "Could not alloc output stream\n");
656 ffmpeg_exit(1);
657 }
658 ost->file_index = file_idx;
659 ost->index = idx;
660
661 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
662 return ost;
663 }
664
665 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
666 {
667 int i, err;
668 AVFormatContext *ic;
669 int nopts = 0;
670
671 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
672 if (err < 0)
673 return err;
674 /* copy stream format */
675 s->nb_streams = 0;
676 s->streams = av_mallocz(sizeof(AVStream *) * ic->nb_streams);
677 for(i=0;i<ic->nb_streams;i++) {
678 AVStream *st;
679 AVCodec *codec;
680
681 s->nb_streams++;
682
683 // FIXME: a more elegant solution is needed
684 st = av_mallocz(sizeof(AVStream));
685 memcpy(st, ic->streams[i], sizeof(AVStream));
686 st->codec = avcodec_alloc_context();
687 if (!st->codec) {
688 print_error(filename, AVERROR(ENOMEM));
689 ffmpeg_exit(1);
690 }
691 avcodec_copy_context(st->codec, ic->streams[i]->codec);
692 s->streams[i] = st;
693
694 codec = avcodec_find_encoder(st->codec->codec_id);
695 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
696 if (audio_stream_copy) {
697 st->stream_copy = 1;
698 } else
699 choose_sample_fmt(st, codec);
700 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
701 if (video_stream_copy) {
702 st->stream_copy = 1;
703 } else
704 choose_pixel_fmt(st, codec);
705 }
706
707 if(st->codec->flags & CODEC_FLAG_BITEXACT)
708 nopts = 1;
709
710 new_output_stream(s, nb_output_files);
711 }
712
713 if (!nopts)
714 s->timestamp = av_gettime();
715
716 av_close_input_file(ic);
717 return 0;
718 }
719
720 static double
721 get_sync_ipts(const AVOutputStream *ost)
722 {
723 const AVInputStream *ist = ost->sync_ist;
724 return (double)(ist->pts - start_time)/AV_TIME_BASE;
725 }
726
727 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
728 int ret;
729
730 while(bsfc){
731 AVPacket new_pkt= *pkt;
732 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
733 &new_pkt.data, &new_pkt.size,
734 pkt->data, pkt->size,
735 pkt->flags & AV_PKT_FLAG_KEY);
736 if(a>0){
737 av_free_packet(pkt);
738 new_pkt.destruct= av_destruct_packet;
739 } else if(a<0){
740 fprintf(stderr, "%s failed for stream %d, codec %s",
741 bsfc->filter->name, pkt->stream_index,
742 avctx->codec ? avctx->codec->name : "copy");
743 print_error("", a);
744 if (exit_on_error)
745 ffmpeg_exit(1);
746 }
747 *pkt= new_pkt;
748
749 bsfc= bsfc->next;
750 }
751
752 ret= av_interleaved_write_frame(s, pkt);
753 if(ret < 0){
754 print_error("av_interleaved_write_frame()", ret);
755 ffmpeg_exit(1);
756 }
757 }
758
759 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
760
761 static void do_audio_out(AVFormatContext *s,
762 AVOutputStream *ost,
763 AVInputStream *ist,
764 unsigned char *buf, int size)
765 {
766 uint8_t *buftmp;
767 int64_t audio_out_size, audio_buf_size;
768 int64_t allocated_for_size= size;
769
770 int size_out, frame_bytes, ret, resample_changed;
771 AVCodecContext *enc= ost->st->codec;
772 AVCodecContext *dec= ist->st->codec;
773 int osize= av_get_bits_per_sample_fmt(enc->sample_fmt)/8;
774 int isize= av_get_bits_per_sample_fmt(dec->sample_fmt)/8;
775 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
776
777 need_realloc:
778 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
779 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
780 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
781 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
782 audio_buf_size*= osize*enc->channels;
783
784 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
785 if(coded_bps > 8*osize)
786 audio_out_size= audio_out_size * coded_bps / (8*osize);
787 audio_out_size += FF_MIN_BUFFER_SIZE;
788
789 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
790 fprintf(stderr, "Buffer sizes too large\n");
791 ffmpeg_exit(1);
792 }
793
794 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
795 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
796 if (!audio_buf || !audio_out){
797 fprintf(stderr, "Out of memory in do_audio_out\n");
798 ffmpeg_exit(1);
799 }
800
801 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
802 ost->audio_resample = 1;
803
804 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
805 ost->resample_channels != dec->channels ||
806 ost->resample_sample_rate != dec->sample_rate;
807
808 if ((ost->audio_resample && !ost->resample) || resample_changed) {
809 if (resample_changed) {
810 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",
811 ist->file_index, ist->st->index,
812 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
813 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
814 ost->resample_sample_fmt = dec->sample_fmt;
815 ost->resample_channels = dec->channels;
816 ost->resample_sample_rate = dec->sample_rate;
817 if (ost->resample)
818 audio_resample_close(ost->resample);
819 }
820 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
821 if (audio_sync_method <= 1 &&
822 ost->resample_sample_fmt == enc->sample_fmt &&
823 ost->resample_channels == enc->channels &&
824 ost->resample_sample_rate == enc->sample_rate) {
825 ost->resample = NULL;
826 ost->audio_resample = 0;
827 } else if (ost->audio_resample) {
828 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
829 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
830 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
831 enc->sample_rate, dec->sample_rate,
832 enc->sample_fmt, dec->sample_fmt,
833 16, 10, 0, 0.8);
834 if (!ost->resample) {
835 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
836 dec->channels, dec->sample_rate,
837 enc->channels, enc->sample_rate);
838 ffmpeg_exit(1);
839 }
840 }
841 }
842
843 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
844 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
845 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
846 if (ost->reformat_ctx)
847 av_audio_convert_free(ost->reformat_ctx);
848 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
849 dec->sample_fmt, 1, NULL, 0);
850 if (!ost->reformat_ctx) {
851 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
852 av_get_sample_fmt_name(dec->sample_fmt),
853 av_get_sample_fmt_name(enc->sample_fmt));
854 ffmpeg_exit(1);
855 }
856 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
857 }
858
859 if(audio_sync_method){
860 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
861 - av_fifo_size(ost->fifo)/(enc->channels * 2);
862 double idelta= delta*dec->sample_rate / enc->sample_rate;
863 int byte_delta= ((int)idelta)*2*dec->channels;
864
865 //FIXME resample delay
866 if(fabs(delta) > 50){
867 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
868 if(byte_delta < 0){
869 byte_delta= FFMAX(byte_delta, -size);
870 size += byte_delta;
871 buf -= byte_delta;
872 if(verbose > 2)
873 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
874 if(!size)
875 return;
876 ist->is_start=0;
877 }else{
878 static uint8_t *input_tmp= NULL;
879 input_tmp= av_realloc(input_tmp, byte_delta + size);
880
881 if(byte_delta > allocated_for_size - size){
882 allocated_for_size= byte_delta + (int64_t)size;
883 goto need_realloc;
884 }
885 ist->is_start=0;
886
887 memset(input_tmp, 0, byte_delta);
888 memcpy(input_tmp + byte_delta, buf, size);
889 buf= input_tmp;
890 size += byte_delta;
891 if(verbose > 2)
892 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
893 }
894 }else if(audio_sync_method>1){
895 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
896 av_assert0(ost->audio_resample);
897 if(verbose > 2)
898 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
899 // 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));
900 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
901 }
902 }
903 }else
904 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
905 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
906
907 if (ost->audio_resample) {
908 buftmp = audio_buf;
909 size_out = audio_resample(ost->resample,
910 (short *)buftmp, (short *)buf,
911 size / (dec->channels * isize));
912 size_out = size_out * enc->channels * osize;
913 } else {
914 buftmp = buf;
915 size_out = size;
916 }
917
918 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
919 const void *ibuf[6]= {buftmp};
920 void *obuf[6]= {audio_buf};
921 int istride[6]= {isize};
922 int ostride[6]= {osize};
923 int len= size_out/istride[0];
924 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
925 printf("av_audio_convert() failed\n");
926 if (exit_on_error)
927 ffmpeg_exit(1);
928 return;
929 }
930 buftmp = audio_buf;
931 size_out = len*osize;
932 }
933
934 /* now encode as many frames as possible */
935 if (enc->frame_size > 1) {
936 /* output resampled raw samples */
937 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
938 fprintf(stderr, "av_fifo_realloc2() failed\n");
939 ffmpeg_exit(1);
940 }
941 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
942
943 frame_bytes = enc->frame_size * osize * enc->channels;
944
945 while (av_fifo_size(ost->fifo) >= frame_bytes) {
946 AVPacket pkt;
947 av_init_packet(&pkt);
948
949 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
950
951 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
952
953 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
954 (short *)audio_buf);
955 if (ret < 0) {
956 fprintf(stderr, "Audio encoding failed\n");
957 ffmpeg_exit(1);
958 }
959 audio_size += ret;
960 pkt.stream_index= ost->index;
961 pkt.data= audio_out;
962 pkt.size= ret;
963 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
964 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
965 pkt.flags |= AV_PKT_FLAG_KEY;
966 write_frame(s, &pkt, enc, ost->bitstream_filters);
967
968 ost->sync_opts += enc->frame_size;
969 }
970 } else {
971 AVPacket pkt;
972 av_init_packet(&pkt);
973
974 ost->sync_opts += size_out / (osize * enc->channels);
975
976 /* output a pcm frame */
977 /* determine the size of the coded buffer */
978 size_out /= osize;
979 if (coded_bps)
980 size_out = size_out*coded_bps/8;
981
982 if(size_out > audio_out_size){
983 fprintf(stderr, "Internal error, buffer size too small\n");
984 ffmpeg_exit(1);
985 }
986
987 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
988 ret = avcodec_encode_audio(enc, audio_out, size_out,
989 (short *)buftmp);
990 if (ret < 0) {
991 fprintf(stderr, "Audio encoding failed\n");
992 ffmpeg_exit(1);
993 }
994 audio_size += ret;
995 pkt.stream_index= ost->index;
996 pkt.data= audio_out;
997 pkt.size= ret;
998 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
999 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1000 pkt.flags |= AV_PKT_FLAG_KEY;
1001 write_frame(s, &pkt, enc, ost->bitstream_filters);
1002 }
1003 }
1004
1005 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
1006 {
1007 AVCodecContext *dec;
1008 AVPicture *picture2;
1009 AVPicture picture_tmp;
1010 uint8_t *buf = 0;
1011
1012 dec = ist->st->codec;
1013
1014 /* deinterlace : must be done before any resize */
1015 if (do_deinterlace) {
1016 int size;
1017
1018 /* create temporary picture */
1019 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1020 buf = av_malloc(size);
1021 if (!buf)
1022 return;
1023
1024 picture2 = &picture_tmp;
1025 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1026
1027 if(avpicture_deinterlace(picture2, picture,
1028 dec->pix_fmt, dec->width, dec->height) < 0) {
1029 /* if error, do not deinterlace */
1030 fprintf(stderr, "Deinterlacing failed\n");
1031 av_free(buf);
1032 buf = NULL;
1033 picture2 = picture;
1034 }
1035 } else {
1036 picture2 = picture;
1037 }
1038
1039 if (picture != picture2)
1040 *picture = *picture2;
1041 *bufp = buf;
1042 }
1043
1044 /* we begin to correct av delay at this threshold */
1045 #define AV_DELAY_MAX 0.100
1046
1047 static void do_subtitle_out(AVFormatContext *s,
1048 AVOutputStream *ost,
1049 AVInputStream *ist,
1050 AVSubtitle *sub,
1051 int64_t pts)
1052 {
1053 static uint8_t *subtitle_out = NULL;
1054 int subtitle_out_max_size = 1024 * 1024;
1055 int subtitle_out_size, nb, i;
1056 AVCodecContext *enc;
1057 AVPacket pkt;
1058
1059 if (pts == AV_NOPTS_VALUE) {
1060 fprintf(stderr, "Subtitle packets must have a pts\n");
1061 if (exit_on_error)
1062 ffmpeg_exit(1);
1063 return;
1064 }
1065
1066 enc = ost->st->codec;
1067
1068 if (!subtitle_out) {
1069 subtitle_out = av_malloc(subtitle_out_max_size);
1070 }
1071
1072 /* Note: DVB subtitle need one packet to draw them and one other
1073 packet to clear them */
1074 /* XXX: signal it in the codec context ? */
1075 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1076 nb = 2;
1077 else
1078 nb = 1;
1079
1080 for(i = 0; i < nb; i++) {
1081 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1082 // start_display_time is required to be 0
1083 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1084 sub->end_display_time -= sub->start_display_time;
1085 sub->start_display_time = 0;
1086 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1087 subtitle_out_max_size, sub);
1088 if (subtitle_out_size < 0) {
1089 fprintf(stderr, "Subtitle encoding failed\n");
1090 ffmpeg_exit(1);
1091 }
1092
1093 av_init_packet(&pkt);
1094 pkt.stream_index = ost->index;
1095 pkt.data = subtitle_out;
1096 pkt.size = subtitle_out_size;
1097 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1098 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1099 /* XXX: the pts correction is handled here. Maybe handling
1100 it in the codec would be better */
1101 if (i == 0)
1102 pkt.pts += 90 * sub->start_display_time;
1103 else
1104 pkt.pts += 90 * sub->end_display_time;
1105 }
1106 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1107 }
1108 }
1109
1110 static int bit_buffer_size= 1024*256;
1111 static uint8_t *bit_buffer= NULL;
1112
1113 static void do_video_out(AVFormatContext *s,
1114 AVOutputStream *ost,
1115 AVInputStream *ist,
1116 AVFrame *in_picture,
1117 int *frame_size)
1118 {
1119 int nb_frames, i, ret, resample_changed;
1120 AVFrame *final_picture, *formatted_picture, *resampling_dst;
1121 AVCodecContext *enc, *dec;
1122 double sync_ipts;
1123
1124 enc = ost->st->codec;
1125 dec = ist->st->codec;
1126
1127 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1128
1129 /* by default, we output a single frame */
1130 nb_frames = 1;
1131
1132 *frame_size = 0;
1133
1134 if(video_sync_method){
1135 double vdelta = sync_ipts - ost->sync_opts;
1136 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1137 if (vdelta < -1.1)
1138 nb_frames = 0;
1139 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1140 if(vdelta<=-0.6){
1141 nb_frames=0;
1142 }else if(vdelta>0.6)
1143 ost->sync_opts= lrintf(sync_ipts);
1144 }else if (vdelta > 1.1)
1145 nb_frames = lrintf(vdelta);
1146 //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);
1147 if (nb_frames == 0){
1148 ++nb_frames_drop;
1149 if (verbose>2)
1150 fprintf(stderr, "*** drop!\n");
1151 }else if (nb_frames > 1) {
1152 nb_frames_dup += nb_frames - 1;
1153 if (verbose>2)
1154 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1155 }
1156 }else
1157 ost->sync_opts= lrintf(sync_ipts);
1158
1159 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1160 if (nb_frames <= 0)
1161 return;
1162
1163 formatted_picture = in_picture;
1164 final_picture = formatted_picture;
1165 resampling_dst = &ost->pict_tmp;
1166
1167 resample_changed = ost->resample_width != dec->width ||
1168 ost->resample_height != dec->height ||
1169 ost->resample_pix_fmt != dec->pix_fmt;
1170
1171 if (resample_changed) {
1172 av_log(NULL, AV_LOG_INFO,
1173 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1174 ist->file_index, ist->st->index,
1175 ost->resample_width, ost->resample_height, avcodec_get_pix_fmt_name(ost->resample_pix_fmt),
1176 dec->width , dec->height , avcodec_get_pix_fmt_name(dec->pix_fmt));
1177 if(!ost->video_resample)
1178 ffmpeg_exit(1);
1179 }
1180
1181 #if !CONFIG_AVFILTER
1182 if (ost->video_resample) {
1183 final_picture = &ost->pict_tmp;
1184 if (resample_changed) {
1185 /* initialize a new scaler context */
1186 sws_freeContext(ost->img_resample_ctx);
1187 ost->img_resample_ctx = sws_getContext(
1188 ist->st->codec->width,
1189 ist->st->codec->height,
1190 ist->st->codec->pix_fmt,
1191 ost->st->codec->width,
1192 ost->st->codec->height,
1193 ost->st->codec->pix_fmt,
1194 ost->sws_flags, NULL, NULL, NULL);
1195 if (ost->img_resample_ctx == NULL) {
1196 fprintf(stderr, "Cannot get resampling context\n");
1197 ffmpeg_exit(1);
1198 }
1199 }
1200 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1201 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
1202 }
1203 #endif
1204
1205 /* duplicates frame if needed */
1206 for(i=0;i<nb_frames;i++) {
1207 AVPacket pkt;
1208 av_init_packet(&pkt);
1209 pkt.stream_index= ost->index;
1210
1211 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1212 /* raw pictures are written as AVPicture structure to
1213 avoid any copies. We support temorarily the older
1214 method. */
1215 AVFrame* old_frame = enc->coded_frame;
1216 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1217 pkt.data= (uint8_t *)final_picture;
1218 pkt.size= sizeof(AVPicture);
1219 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1220 pkt.flags |= AV_PKT_FLAG_KEY;
1221
1222 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1223 enc->coded_frame = old_frame;
1224 } else {
1225 AVFrame big_picture;
1226
1227 big_picture= *final_picture;
1228 /* better than nothing: use input picture interlaced
1229 settings */
1230 big_picture.interlaced_frame = in_picture->interlaced_frame;
1231 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1232 if(top_field_first == -1)
1233 big_picture.top_field_first = in_picture->top_field_first;
1234 else
1235 big_picture.top_field_first = top_field_first;
1236 }
1237
1238 /* handles sameq here. This is not correct because it may
1239 not be a global option */
1240 big_picture.quality = same_quality ? ist->st->quality : ost->st->quality;
1241 if(!me_threshold)
1242 big_picture.pict_type = 0;
1243 // big_picture.pts = AV_NOPTS_VALUE;
1244 big_picture.pts= ost->sync_opts;
1245 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1246 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1247 if (ost->forced_kf_index < ost->forced_kf_count &&
1248 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1249 big_picture.pict_type = AV_PICTURE_TYPE_I;
1250 ost->forced_kf_index++;
1251 }
1252 ret = avcodec_encode_video(enc,
1253 bit_buffer, bit_buffer_size,
1254 &big_picture);
1255 if (ret < 0) {
1256 fprintf(stderr, "Video encoding failed\n");
1257 ffmpeg_exit(1);
1258 }
1259
1260 if(ret>0){
1261 pkt.data= bit_buffer;
1262 pkt.size= ret;
1263 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1264 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1265 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1266 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1267 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1268
1269 if(enc->coded_frame->key_frame)
1270 pkt.flags |= AV_PKT_FLAG_KEY;
1271 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1272 *frame_size = ret;
1273 video_size += ret;
1274 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1275 // enc->frame_number-1, ret, enc->pict_type);
1276 /* if two pass, output log */
1277 if (ost->logfile && enc->stats_out) {
1278 fprintf(ost->logfile, "%s", enc->stats_out);
1279 }
1280 }
1281 }
1282 ost->sync_opts++;
1283 ost->frame_number++;
1284 }
1285 }
1286
1287 static double psnr(double d){
1288 return -10.0*log(d)/log(10.0);
1289 }
1290
1291 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1292 int frame_size)
1293 {
1294 AVCodecContext *enc;
1295 int frame_number;
1296 double ti1, bitrate, avg_bitrate;
1297
1298 /* this is executed just the first time do_video_stats is called */
1299 if (!vstats_file) {
1300 vstats_file = fopen(vstats_filename, "w");
1301 if (!vstats_file) {
1302 perror("fopen");
1303 ffmpeg_exit(1);
1304 }
1305 }
1306
1307 enc = ost->st->codec;
1308 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1309 frame_number = ost->frame_number;
1310 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1311 if (enc->flags&CODEC_FLAG_PSNR)
1312 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1313
1314 fprintf(vstats_file,"f_size= %6d ", frame_size);
1315 /* compute pts value */
1316 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1317 if (ti1 < 0.01)
1318 ti1 = 0.01;
1319
1320 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1321 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1322 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1323 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1324 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1325 }
1326 }
1327
1328 static void print_report(AVFormatContext **output_files,
1329 AVOutputStream **ost_table, int nb_ostreams,
1330 int is_last_report)
1331 {
1332 char buf[1024];
1333 AVOutputStream *ost;
1334 AVFormatContext *oc;
1335 int64_t total_size;
1336 AVCodecContext *enc;
1337 int frame_number, vid, i;
1338 double bitrate, ti1, pts;
1339 static int64_t last_time = -1;
1340 static int qp_histogram[52];
1341
1342 if (!is_last_report) {
1343 int64_t cur_time;
1344 /* display the report every 0.5 seconds */
1345 cur_time = av_gettime();
1346 if (last_time == -1) {
1347 last_time = cur_time;
1348 return;
1349 }
1350 if ((cur_time - last_time) < 500000)
1351 return;
1352 last_time = cur_time;
1353 }
1354
1355
1356 oc = output_files[0];
1357
1358 total_size = avio_size(oc->pb);
1359 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1360 total_size= avio_tell(oc->pb);
1361
1362 buf[0] = '\0';
1363 ti1 = 1e10;
1364 vid = 0;
1365 for(i=0;i<nb_ostreams;i++) {
1366 float q = -1;
1367 ost = ost_table[i];
1368 enc = ost->st->codec;
1369 if (!ost->st->stream_copy && enc->coded_frame)
1370 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1371 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1372 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1373 }
1374 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1375 float t = (av_gettime()-timer_start) / 1000000.0;
1376
1377 frame_number = ost->frame_number;
1378 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1379 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1380 if(is_last_report)
1381 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1382 if(qp_hist){
1383 int j;
1384 int qp = lrintf(q);
1385 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1386 qp_histogram[qp]++;
1387 for(j=0; j<32; j++)
1388 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1389 }
1390 if (enc->flags&CODEC_FLAG_PSNR){
1391 int j;
1392 double error, error_sum=0;
1393 double scale, scale_sum=0;
1394 char type[3]= {'Y','U','V'};
1395 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1396 for(j=0; j<3; j++){
1397 if(is_last_report){
1398 error= enc->error[j];
1399 scale= enc->width*enc->height*255.0*255.0*frame_number;
1400 }else{
1401 error= enc->coded_frame->error[j];
1402 scale= enc->width*enc->height*255.0*255.0;
1403 }
1404 if(j) scale/=4;
1405 error_sum += error;
1406 scale_sum += scale;
1407 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1408 }
1409 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1410 }
1411 vid = 1;
1412 }
1413 /* compute min output value */
1414 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1415 if ((pts < ti1) && (pts > 0))
1416 ti1 = pts;
1417 }
1418 if (ti1 < 0.01)
1419 ti1 = 0.01;
1420
1421 if (verbose > 0 || is_last_report) {
1422 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1423
1424 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1425 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1426 (double)total_size / 1024, ti1, bitrate);
1427
1428 if (nb_frames_dup || nb_frames_drop)
1429 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1430 nb_frames_dup, nb_frames_drop);
1431
1432 if (verbose >= 0)
1433 fprintf(stderr, "%s \r", buf);
1434
1435 fflush(stderr);
1436 }
1437
1438 if (is_last_report && verbose >= 0){
1439 int64_t raw= audio_size + video_size + extra_size;
1440 fprintf(stderr, "\n");
1441 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1442 video_size/1024.0,
1443 audio_size/1024.0,
1444 extra_size/1024.0,
1445 100.0*(total_size - raw)/raw
1446 );
1447 }
1448 }
1449
1450 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1451 {
1452 int fill_char = 0x00;
1453 if (sample_fmt == AV_SAMPLE_FMT_U8)
1454 fill_char = 0x80;
1455 memset(buf, fill_char, size);
1456 }
1457
1458 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1459 static int output_packet(AVInputStream *ist, int ist_index,
1460 AVOutputStream **ost_table, int nb_ostreams,
1461 const AVPacket *pkt)
1462 {
1463 AVFormatContext *os;
1464 AVOutputStream *ost;
1465 int ret, i;
1466 int got_output;
1467 AVFrame picture;
1468 void *buffer_to_free = NULL;
1469 static unsigned int samples_size= 0;
1470 AVSubtitle subtitle, *subtitle_to_free;
1471 int64_t pkt_pts = AV_NOPTS_VALUE;
1472 #if CONFIG_AVFILTER
1473 int frame_available;
1474 #endif
1475
1476 AVPacket avpkt;
1477 int bps = av_get_bits_per_sample_fmt(ist->st->codec->sample_fmt)>>3;
1478
1479 if(ist->next_pts == AV_NOPTS_VALUE)
1480 ist->next_pts= ist->pts;
1481
1482 if (pkt == NULL) {
1483 /* EOF handling */
1484 av_init_packet(&avpkt);
1485 avpkt.data = NULL;
1486 avpkt.size = 0;
1487 goto handle_eof;
1488 } else {
1489 avpkt = *pkt;
1490 }
1491
1492 if(pkt->dts != AV_NOPTS_VALUE)
1493 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1494 if(pkt->pts != AV_NOPTS_VALUE)
1495 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1496
1497 //while we have more to decode or while the decoder did output something on EOF
1498 while (avpkt.size > 0 || (!pkt && got_output)) {
1499 uint8_t *data_buf, *decoded_data_buf;
1500 int data_size, decoded_data_size;
1501 handle_eof:
1502 ist->pts= ist->next_pts;
1503
1504 if(avpkt.size && avpkt.size != pkt->size &&
1505 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1506 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1507 ist->showed_multi_packet_warning=1;
1508 }
1509
1510 /* decode the packet if needed */
1511 decoded_data_buf = NULL; /* fail safe */
1512 decoded_data_size= 0;
1513 data_buf = avpkt.data;
1514 data_size = avpkt.size;
1515 subtitle_to_free = NULL;
1516 if (ist->decoding_needed) {
1517 switch(ist->st->codec->codec_type) {
1518 case AVMEDIA_TYPE_AUDIO:{
1519 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1520 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1521 av_free(samples);
1522 samples= av_malloc(samples_size);
1523 }
1524 decoded_data_size= samples_size;
1525 /* XXX: could avoid copy if PCM 16 bits with same
1526 endianness as CPU */
1527 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1528 &avpkt);
1529 if (ret < 0)
1530 goto fail_decode;
1531 avpkt.data += ret;
1532 avpkt.size -= ret;
1533 data_size = ret;
1534 got_output = decoded_data_size > 0;
1535 /* Some bug in mpeg audio decoder gives */
1536 /* decoded_data_size < 0, it seems they are overflows */
1537 if (!got_output) {
1538 /* no audio frame */
1539 continue;
1540 }
1541 decoded_data_buf = (uint8_t *)samples;
1542 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1543 (ist->st->codec->sample_rate * ist->st->codec->channels);
1544 break;}
1545 case AVMEDIA_TYPE_VIDEO:
1546 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1547 /* XXX: allocate picture correctly */
1548 avcodec_get_frame_defaults(&picture);
1549 avpkt.pts = pkt_pts;
1550 avpkt.dts = ist->pts;
1551 pkt_pts = AV_NOPTS_VALUE;
1552
1553 ret = avcodec_decode_video2(ist->st->codec,
1554 &picture, &got_output, &avpkt);
1555 ist->st->quality= picture.quality;
1556 if (ret < 0)
1557 goto fail_decode;
1558 if (!got_output) {
1559 /* no picture yet */
1560 goto discard_packet;
1561 }
1562 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1563 if (ist->st->codec->time_base.num != 0) {
1564 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1565 ist->next_pts += ((int64_t)AV_TIME_BASE *
1566 ist->st->codec->time_base.num * ticks) /
1567 ist->st->codec->time_base.den;
1568 }
1569 avpkt.size = 0;
1570 buffer_to_free = NULL;
1571 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1572 break;
1573 case AVMEDIA_TYPE_SUBTITLE:
1574 ret = avcodec_decode_subtitle2(ist->st->codec,
1575 &subtitle, &got_output, &avpkt);
1576 if (ret < 0)
1577 goto fail_decode;
1578 if (!got_output) {
1579 goto discard_packet;
1580 }
1581 subtitle_to_free = &subtitle;
1582 avpkt.size = 0;
1583 break;
1584 default:
1585 goto fail_decode;
1586 }
1587 } else {
1588 switch(ist->st->codec->codec_type) {
1589 case AVMEDIA_TYPE_AUDIO:
1590 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1591 ist->st->codec->sample_rate;
1592 break;
1593 case AVMEDIA_TYPE_VIDEO:
1594 if (ist->st->codec->time_base.num != 0) {
1595 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1596 ist->next_pts += ((int64_t)AV_TIME_BASE *
1597 ist->st->codec->time_base.num * ticks) /
1598 ist->st->codec->time_base.den;
1599 }
1600 break;
1601 }
1602 ret = avpkt.size;
1603 avpkt.size = 0;
1604 }
1605
1606 #if CONFIG_AVFILTER
1607 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1608 for (i = 0; i < nb_ostreams; i++) {
1609 ost = ost_table[i];
1610 if (ost->input_video_filter && ost->source_index == ist_index) {
1611 AVRational sar;
1612 if (ist->st->sample_aspect_ratio.num)
1613 sar = ist->st->sample_aspect_ratio;
1614 else
1615 sar = ist->st->codec->sample_aspect_ratio;
1616 // add it to be filtered
1617 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture,
1618 ist->pts,
1619 sar);
1620 }
1621 }
1622 }
1623 #endif
1624
1625 // preprocess audio (volume)
1626 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1627 if (audio_volume != 256) {
1628 short *volp;
1629 volp = samples;
1630 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1631 int v = ((*volp) * audio_volume + 128) >> 8;
1632 if (v < -32768) v = -32768;
1633 if (v > 32767) v = 32767;
1634 *volp++ = v;
1635 }
1636 }
1637 }
1638
1639 /* frame rate emulation */
1640 if (rate_emu) {
1641 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1642 int64_t now = av_gettime() - ist->start;
1643 if (pts > now)
1644 usleep(pts - now);
1645 }
1646 /* if output time reached then transcode raw format,
1647 encode packets and output them */
1648 if (start_time == 0 || ist->pts >= start_time)
1649 for(i=0;i<nb_ostreams;i++) {
1650 int frame_size;
1651
1652 ost = ost_table[i];
1653 if (ost->source_index == ist_index) {
1654 #if CONFIG_AVFILTER
1655 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1656 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1657 while (frame_available) {
1658 AVRational ist_pts_tb;
1659 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1660 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1661 if (ost->picref)
1662 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1663 #endif
1664 os = output_files[ost->file_index];
1665
1666 /* set the input output pts pairs */
1667 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1668
1669 if (ost->encoding_needed) {
1670 av_assert0(ist->decoding_needed);
1671 switch(ost->st->codec->codec_type) {
1672 case AVMEDIA_TYPE_AUDIO:
1673 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1674 break;
1675 case AVMEDIA_TYPE_VIDEO:
1676 #if CONFIG_AVFILTER
1677 if (ost->picref->video && !ost->frame_aspect_ratio)
1678 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1679 #endif
1680 do_video_out(os, ost, ist, &picture, &frame_size);
1681 if (vstats_filename && frame_size)
1682 do_video_stats(os, ost, frame_size);
1683 break;
1684 case AVMEDIA_TYPE_SUBTITLE:
1685 do_subtitle_out(os, ost, ist, &subtitle,
1686 pkt->pts);
1687 break;
1688 default:
1689 abort();
1690 }
1691 } else {
1692 AVFrame avframe; //FIXME/XXX remove this
1693 AVPacket opkt;
1694 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1695
1696 av_init_packet(&opkt);
1697
1698 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1699 #if !CONFIG_AVFILTER
1700 continue;
1701 #else
1702 goto cont;
1703 #endif
1704
1705 /* no reencoding needed : output the packet directly */
1706 /* force the input stream PTS */
1707
1708 avcodec_get_frame_defaults(&avframe);
1709 ost->st->codec->coded_frame= &avframe;
1710 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1711
1712 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1713 audio_size += data_size;
1714 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1715 video_size += data_size;
1716 ost->sync_opts++;
1717 }
1718
1719 opkt.stream_index= ost->index;
1720 if(pkt->pts != AV_NOPTS_VALUE)
1721 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1722 else
1723 opkt.pts= AV_NOPTS_VALUE;
1724
1725 if (pkt->dts == AV_NOPTS_VALUE)
1726 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1727 else
1728 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1729 opkt.dts -= ost_tb_start_time;
1730
1731 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1732 opkt.flags= pkt->flags;
1733
1734 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1735 if( ost->st->codec->codec_id != CODEC_ID_H264
1736 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1737 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1738 ) {
1739 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1740 opkt.destruct= av_destruct_packet;
1741 } else {
1742 opkt.data = data_buf;
1743 opkt.size = data_size;
1744 }
1745
1746 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1747 ost->st->codec->frame_number++;
1748 ost->frame_number++;
1749 av_free_packet(&opkt);
1750 }
1751 #if CONFIG_AVFILTER
1752 cont:
1753 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1754 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1755 if (ost->picref)
1756 avfilter_unref_buffer(ost->picref);
1757 }
1758 #endif
1759 }
1760 }
1761
1762 av_free(buffer_to_free);
1763 /* XXX: allocate the subtitles in the codec ? */
1764 if (subtitle_to_free) {
1765 avsubtitle_free(subtitle_to_free);
1766 subtitle_to_free = NULL;
1767 }
1768 }
1769 discard_packet:
1770 if (pkt == NULL) {
1771 /* EOF handling */
1772
1773 for(i=0;i<nb_ostreams;i++) {
1774 ost = ost_table[i];
1775 if (ost->source_index == ist_index) {
1776 AVCodecContext *enc= ost->st->codec;
1777 os = output_files[ost->file_index];
1778
1779 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1780 continue;
1781 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1782 continue;
1783
1784 if (ost->encoding_needed) {
1785 for(;;) {
1786 AVPacket pkt;
1787 int fifo_bytes;
1788 av_init_packet(&pkt);
1789 pkt.stream_index= ost->index;
1790
1791 switch(ost->st->codec->codec_type) {
1792 case AVMEDIA_TYPE_AUDIO:
1793 fifo_bytes = av_fifo_size(ost->fifo);
1794 ret = 0;
1795 /* encode any samples remaining in fifo */
1796 if (fifo_bytes > 0) {
1797 int osize = av_get_bits_per_sample_fmt(enc->sample_fmt) >> 3;
1798 int fs_tmp = enc->frame_size;
1799
1800 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1801 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1802 enc->frame_size = fifo_bytes / (osize * enc->channels);
1803 } else { /* pad */
1804 int frame_bytes = enc->frame_size*osize*enc->channels;
1805 if (allocated_audio_buf_size < frame_bytes)
1806 ffmpeg_exit(1);
1807 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1808 }
1809
1810 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1811 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1812 ost->st->time_base.num, enc->sample_rate);
1813 enc->frame_size = fs_tmp;
1814 }
1815 if(ret <= 0) {
1816 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1817 }
1818 if (ret < 0) {
1819 fprintf(stderr, "Audio encoding failed\n");
1820 ffmpeg_exit(1);
1821 }
1822 audio_size += ret;
1823 pkt.flags |= AV_PKT_FLAG_KEY;
1824 break;
1825 case AVMEDIA_TYPE_VIDEO:
1826 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1827 if (ret < 0) {
1828 fprintf(stderr, "Video encoding failed\n");
1829 ffmpeg_exit(1);
1830 }
1831 video_size += ret;
1832 if(enc->coded_frame && enc->coded_frame->key_frame)
1833 pkt.flags |= AV_PKT_FLAG_KEY;
1834 if (ost->logfile && enc->stats_out) {
1835 fprintf(ost->logfile, "%s", enc->stats_out);
1836 }
1837 break;
1838 default:
1839 ret=-1;
1840 }
1841
1842 if(ret<=0)
1843 break;
1844 pkt.data= bit_buffer;
1845 pkt.size= ret;
1846 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1847 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1848 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1849 }
1850 }
1851 }
1852 }
1853 }
1854
1855 return 0;
1856 fail_decode:
1857 return -1;
1858 }
1859
1860 static void print_sdp(AVFormatContext **avc, int n)
1861 {
1862 char sdp[2048];
1863
1864 av_sdp_create(avc, n, sdp, sizeof(sdp));
1865 printf("SDP:\n%s\n", sdp);
1866 fflush(stdout);
1867 }
1868
1869 static int copy_chapters(int infile, int outfile)
1870 {
1871 AVFormatContext *is = input_files[infile].ctx;
1872 AVFormatContext *os = output_files[outfile];
1873 int i;
1874
1875 for (i = 0; i < is->nb_chapters; i++) {
1876 AVChapter *in_ch = is->chapters[i], *out_ch;
1877 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
1878 AV_TIME_BASE_Q, in_ch->time_base);
1879 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1880 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1881
1882
1883 if (in_ch->end < ts_off)
1884 continue;
1885 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1886 break;
1887
1888 out_ch = av_mallocz(sizeof(AVChapter));
1889 if (!out_ch)
1890 return AVERROR(ENOMEM);
1891
1892 out_ch->id = in_ch->id;
1893 out_ch->time_base = in_ch->time_base;
1894 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1895 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1896
1897 if (metadata_chapters_autocopy)
1898 av_metadata_copy(&out_ch->metadata, in_ch->metadata, 0);
1899
1900 os->nb_chapters++;
1901 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1902 if (!os->chapters)
1903 return AVERROR(ENOMEM);
1904 os->chapters[os->nb_chapters - 1] = out_ch;
1905 }
1906 return 0;
1907 }
1908
1909 static void parse_forced_key_frames(char *kf, AVOutputStream *ost,
1910 AVCodecContext *avctx)
1911 {
1912 char *p;
1913 int n = 1, i;
1914 int64_t t;
1915
1916 for (p = kf; *p; p++)
1917 if (*p == ',')
1918 n++;
1919 ost->forced_kf_count = n;
1920 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1921 if (!ost->forced_kf_pts) {
1922 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1923 ffmpeg_exit(1);
1924 }
1925 for (i = 0; i < n; i++) {
1926 p = i ? strchr(p, ',') + 1 : kf;
1927 t = parse_time_or_die("force_key_frames", p, 1);
1928 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1929 }
1930 }
1931
1932 /*
1933 * The following code is the main loop of the file converter
1934 */
1935 static int transcode(AVFormatContext **output_files,
1936 int nb_output_files,
1937 AVInputFile *input_files,
1938 int nb_input_files,
1939 AVStreamMap *stream_maps, int nb_stream_maps)
1940 {
1941 int ret = 0, i, j, k, n, nb_ostreams = 0;
1942 AVFormatContext *is, *os;
1943 AVCodecContext *codec, *icodec;
1944 AVOutputStream *ost, **ost_table = NULL;
1945 AVInputStream *ist;
1946 char error[1024];
1947 int want_sdp = 1;
1948 uint8_t no_packet[MAX_FILES]={0};
1949 int no_packet_count=0;
1950
1951 if (rate_emu)
1952 for (i = 0; i < nb_input_streams; i++)
1953 input_streams[i].start = av_gettime();
1954
1955 /* output stream init */
1956 nb_ostreams = 0;
1957 for(i=0;i<nb_output_files;i++) {
1958 os = output_files[i];
1959 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1960 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
1961 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1962 ret = AVERROR(EINVAL);
1963 goto fail;
1964 }
1965 nb_ostreams += os->nb_streams;
1966 }
1967 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1968 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1969 ret = AVERROR(EINVAL);
1970 goto fail;
1971 }
1972
1973 /* Sanity check the mapping args -- do the input files & streams exist? */
1974 for(i=0;i<nb_stream_maps;i++) {
1975 int fi = stream_maps[i].file_index;
1976 int si = stream_maps[i].stream_index;
1977
1978 if (fi < 0 || fi > nb_input_files - 1 ||
1979 si < 0 || si > input_files[fi].ctx->nb_streams - 1) {
1980 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1981 ret = AVERROR(EINVAL);
1982 goto fail;
1983 }
1984 fi = stream_maps[i].sync_file_index;
1985 si = stream_maps[i].sync_stream_index;
1986 if (fi < 0 || fi > nb_input_files - 1 ||
1987 si < 0 || si > input_files[fi].ctx->nb_streams - 1) {
1988 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1989 ret = AVERROR(EINVAL);
1990 goto fail;
1991 }
1992 }
1993
1994 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1995 if (!ost_table)
1996 goto fail;
1997 n = 0;
1998 for(k=0;k<nb_output_files;k++) {
1999 os = output_files[k];
2000 for(i=0;i<os->nb_streams;i++,n++) {
2001 int found;
2002 ost = ost_table[n] = output_streams_for_file[k][i];
2003 ost->st = os->streams[i];
2004 if (nb_stream_maps > 0) {
2005 ost->source_index = input_files[stream_maps[n].file_index].ist_index +
2006 stream_maps[n].stream_index;
2007
2008 /* Sanity check that the stream types match */
2009 if (input_streams[ost->source_index].st->codec->codec_type != ost->st->codec->codec_type) {
2010 int i= ost->file_index;
2011 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2012 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
2013 stream_maps[n].file_index, stream_maps[n].stream_index,
2014 ost->file_index, ost->index);
2015 ffmpeg_exit(1);
2016 }
2017
2018 } else {
2019 int best_nb_frames=-1;
2020 /* get corresponding input stream index : we select the first one with the right type */
2021 found = 0;
2022 for (j = 0; j < nb_input_streams; j++) {
2023 int skip=0;
2024 ist = &input_streams[j];
2025 if(opt_programid){
2026 int pi,si;
2027 AVFormatContext *f = input_files[ist->file_index].ctx;
2028 skip=1;
2029 for(pi=0; pi<f->nb_programs; pi++){
2030 AVProgram *p= f->programs[pi];
2031 if(p->id == opt_programid)
2032 for(si=0; si<p->nb_stream_indexes; si++){
2033 if(f->streams[ p->stream_index[si] ] == ist->st)
2034 skip=0;
2035 }
2036 }
2037 }
2038 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2039 ist->st->codec->codec_type == ost->st->codec->codec_type) {
2040 if(best_nb_frames < ist->st->codec_info_nb_frames){
2041 best_nb_frames= ist->st->codec_info_nb_frames;
2042 ost->source_index = j;
2043 found = 1;
2044 }
2045 }
2046 }
2047
2048 if (!found) {
2049 if(! opt_programid) {
2050 /* try again and reuse existing stream */
2051 for (j = 0; j < nb_input_streams; j++) {
2052 ist = &input_streams[j];
2053 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2054 && ist->st->discard != AVDISCARD_ALL) {
2055 ost->source_index = j;
2056 found = 1;
2057 }
2058 }
2059 }
2060 if (!found) {
2061 int i= ost->file_index;
2062 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2063 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2064 ost->file_index, ost->index);
2065 ffmpeg_exit(1);
2066 }
2067 }
2068 }
2069 ist = &input_streams[ost->source_index];
2070 ist->discard = 0;
2071 ost->sync_ist = (nb_stream_maps > 0) ?
2072 &input_streams[input_files[stream_maps[n].sync_file_index].ist_index +
2073 stream_maps[n].sync_stream_index] : ist;
2074 }
2075 }
2076
2077 /* for each output stream, we compute the right encoding parameters */
2078 for(i=0;i<nb_ostreams;i++) {
2079 ost = ost_table[i];
2080 os = output_files[ost->file_index];
2081 ist = &input_streams[ost->source_index];
2082
2083 codec = ost->st->codec;
2084 icodec = ist->st->codec;
2085
2086 if (metadata_streams_autocopy)
2087 av_metadata_copy(&ost->st->metadata, ist->st->metadata,
2088 AV_METADATA_DONT_OVERWRITE);
2089
2090 ost->st->disposition = ist->st->disposition;
2091 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
2092 codec->chroma_sample_location = icodec->chroma_sample_location;
2093
2094 if (ost->st->stream_copy) {
2095 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2096
2097 if (extra_size > INT_MAX)
2098 goto fail;
2099
2100 /* if stream_copy is selected, no need to decode or encode */
2101 codec->codec_id = icodec->codec_id;
2102 codec->codec_type = icodec->codec_type;
2103
2104 if(!codec->codec_tag){
2105 if( !os->oformat->codec_tag
2106 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
2107 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2108 codec->codec_tag = icodec->codec_tag;
2109 }
2110
2111 codec->bit_rate = icodec->bit_rate;
2112 codec->rc_max_rate = icodec->rc_max_rate;
2113 codec->rc_buffer_size = icodec->rc_buffer_size;
2114 codec->extradata= av_mallocz(extra_size);
2115 if (!codec->extradata)
2116 goto fail;
2117 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2118 codec->extradata_size= icodec->extradata_size;
2119 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){
2120 codec->time_base = icodec->time_base;
2121 codec->time_base.num *= icodec->ticks_per_frame;
2122 av_reduce(&codec->time_base.num, &codec->time_base.den,
2123 codec->time_base.num, codec->time_base.den, INT_MAX);
2124 }else
2125 codec->time_base = ist->st->time_base;
2126 switch(codec->codec_type) {
2127 case AVMEDIA_TYPE_AUDIO:
2128 if(audio_volume != 256) {
2129 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2130 ffmpeg_exit(1);
2131 }
2132 codec->channel_layout = icodec->channel_layout;
2133 codec->sample_rate = icodec->sample_rate;
2134 codec->channels = icodec->channels;
2135 codec->frame_size = icodec->frame_size;
2136 codec->audio_service_type = icodec->audio_service_type;
2137 codec->block_align= icodec->block_align;
2138 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2139 codec->block_align= 0;
2140 if(codec->codec_id == CODEC_ID_AC3)
2141 codec->block_align= 0;
2142 break;
2143 case AVMEDIA_TYPE_VIDEO:
2144 codec->pix_fmt = icodec->pix_fmt;
2145 codec->width = icodec->width;
2146 codec->height = icodec->height;
2147 codec->has_b_frames = icodec->has_b_frames;
2148 if (!codec->sample_aspect_ratio.num) {
2149 codec->sample_aspect_ratio =
2150 ost->st->sample_aspect_ratio =
2151 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2152 ist->st->codec->sample_aspect_ratio.num ?
2153 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2154 }
2155 break;
2156 case AVMEDIA_TYPE_SUBTITLE:
2157 codec->width = icodec->width;
2158 codec->height = icodec->height;
2159 break;
2160 case AVMEDIA_TYPE_DATA:
2161 break;
2162 default:
2163 abort();
2164 }
2165 } else {
2166 switch(codec->codec_type) {
2167 case AVMEDIA_TYPE_AUDIO:
2168 ost->fifo= av_fifo_alloc(1024);
2169 if(!ost->fifo)
2170 goto fail;
2171 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2172 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2173 icodec->request_channels = codec->channels;
2174 ist->decoding_needed = 1;
2175 ost->encoding_needed = 1;
2176 ost->resample_sample_fmt = icodec->sample_fmt;
2177 ost->resample_sample_rate = icodec->sample_rate;
2178 ost->resample_channels = icodec->channels;
2179 break;
2180 case AVMEDIA_TYPE_VIDEO:
2181 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2182 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2183 ffmpeg_exit(1);
2184 }
2185 ost->video_resample = codec->width != icodec->width ||
2186 codec->height != icodec->height ||
2187 codec->pix_fmt != icodec->pix_fmt;
2188 if (ost->video_resample) {
2189 #if !CONFIG_AVFILTER
2190 avcodec_get_frame_defaults(&ost->pict_tmp);
2191 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2192 codec->width, codec->height)) {
2193 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2194 ffmpeg_exit(1);
2195 }
2196 ost->img_resample_ctx = sws_getContext(
2197 icodec->width,
2198 icodec->height,
2199 icodec->pix_fmt,
2200 codec->width,
2201 codec->height,
2202 codec->pix_fmt,
2203 ost->sws_flags, NULL, NULL, NULL);
2204 if (ost->img_resample_ctx == NULL) {
2205 fprintf(stderr, "Cannot get resampling context\n");
2206 ffmpeg_exit(1);
2207 }
2208 #endif
2209 codec->bits_per_raw_sample= 0;
2210 }
2211 ost->resample_height = icodec->height;
2212 ost->resample_width = icodec->width;
2213 ost->resample_pix_fmt= icodec->pix_fmt;
2214 ost->encoding_needed = 1;
2215 ist->decoding_needed = 1;
2216
2217 #if CONFIG_AVFILTER
2218 if (configure_video_filters(ist, ost)) {
2219 fprintf(stderr, "Error opening filters!\n");
2220 exit(1);
2221 }
2222 #endif
2223 break;
2224 case AVMEDIA_TYPE_SUBTITLE:
2225 ost->encoding_needed = 1;
2226 ist->decoding_needed = 1;
2227 break;
2228 default:
2229 abort();
2230 break;
2231 }
2232 /* two pass mode */
2233 if (ost->encoding_needed &&
2234 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2235 char logfilename[1024];
2236 FILE *f;
2237
2238 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2239 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2240 i);
2241 if (codec->flags & CODEC_FLAG_PASS1) {
2242 f = fopen(logfilename, "wb");
2243 if (!f) {
2244 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2245 ffmpeg_exit(1);
2246 }
2247 ost->logfile = f;
2248 } else {
2249 char *logbuffer;
2250 size_t logbuffer_size;
2251 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2252 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2253 ffmpeg_exit(1);
2254 }
2255 codec->stats_in = logbuffer;
2256 }
2257 }
2258 }
2259 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2260 int size= codec->width * codec->height;
2261 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2262 }
2263 }
2264
2265 if (!bit_buffer)
2266 bit_buffer = av_malloc(bit_buffer_size);
2267 if (!bit_buffer) {
2268 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2269 bit_buffer_size);
2270 ret = AVERROR(ENOMEM);
2271 goto fail;
2272 }
2273
2274 /* open each encoder */
2275 for(i=0;i<nb_ostreams;i++) {
2276 ost = ost_table[i];
2277 if (ost->encoding_needed) {
2278 AVCodec *codec = i < nb_output_codecs ? output_codecs[i] : NULL;
2279 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2280 if (!codec)
2281 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2282 if (!codec) {
2283 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2284 ost->st->codec->codec_id, ost->file_index, ost->index);
2285 ret = AVERROR(EINVAL);
2286 goto dump_format;
2287 }
2288 if (dec->subtitle_header) {
2289 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2290 if (!ost->st->codec->subtitle_header) {
2291 ret = AVERROR(ENOMEM);
2292 goto dump_format;
2293 }
2294 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2295 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2296 }
2297 if (avcodec_open(ost->st->codec, codec) < 0) {
2298 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2299 ost->file_index, ost->index);
2300 ret = AVERROR(EINVAL);
2301 goto dump_format;
2302 }
2303 extra_size += ost->st->codec->extradata_size;
2304 }
2305 }
2306
2307 /* open each decoder */
2308 for (i = 0; i < nb_input_streams; i++) {
2309 ist = &input_streams[i];
2310 if (ist->decoding_needed) {
2311 AVCodec *codec = i < nb_input_codecs ? input_codecs[i] : NULL;
2312 if (!codec)
2313 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2314 if (!codec) {
2315 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2316 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2317 ret = AVERROR(EINVAL);
2318 goto dump_format;
2319 }
2320
2321 /* update requested sample format for the decoder based on the
2322 corresponding encoder sample format */
2323 for (j = 0; j < nb_ostreams; j++) {
2324 ost = ost_table[j];
2325 if (ost->source_index == i) {
2326 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2327 break;
2328 }
2329 }
2330
2331 if (avcodec_open(ist->st->codec, codec) < 0) {
2332 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2333 ist->file_index, ist->st->index);
2334 ret = AVERROR(EINVAL);
2335 goto dump_format;
2336 }
2337 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
2338 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2339 }
2340 }
2341
2342 /* init pts */
2343 for (i = 0; i < nb_input_streams; i++) {
2344 AVStream *st;
2345 ist = &input_streams[i];
2346 st= ist->st;
2347 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2348 ist->next_pts = AV_NOPTS_VALUE;
2349 init_pts_correction(&ist->pts_ctx);
2350 ist->is_start = 1;
2351 }
2352
2353 /* set meta data information from input file if required */
2354 for (i=0;i<nb_meta_data_maps;i++) {
2355 AVFormatContext *files[2];
2356 AVMetadata **meta[2];
2357 int j;
2358
2359 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
2360 if ((index) < 0 || (index) >= (nb_elems)) {\
2361 snprintf(error, sizeof(error), "Invalid %s index %d while processing metadata maps\n",\
2362 (desc), (index));\
2363 ret = AVERROR(EINVAL);\
2364 goto dump_format;\
2365 }
2366
2367 int out_file_index = meta_data_maps[i][0].file;
2368 int in_file_index = meta_data_maps[i][1].file;
2369 if (in_file_index < 0 || out_file_index < 0)
2370 continue;
2371 METADATA_CHECK_INDEX(out_file_index, nb_output_files, "output file")
2372 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
2373
2374 files[0] = output_files[out_file_index];
2375 files[1] = input_files[in_file_index].ctx;
2376
2377 for (j = 0; j < 2; j++) {
2378 AVMetaDataMap *map = &meta_data_maps[i][j];
2379
2380 switch (map->type) {
2381 case 'g':
2382 meta[j] = &files[j]->metadata;
2383 break;
2384 case 's':
2385 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
2386 meta[j] = &files[j]->streams[map->index]->metadata;
2387 break;
2388 case 'c':
2389 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
2390 meta[j] = &files[j]->chapters[map->index]->metadata;
2391 break;
2392 case 'p':
2393 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
2394 meta[j] = &files[j]->programs[map->index]->metadata;
2395 break;
2396 }
2397 }
2398
2399 av_metadata_copy(meta[0], *meta[1], AV_METADATA_DONT_OVERWRITE);
2400 }
2401
2402 /* copy global metadata by default */
2403 if (metadata_global_autocopy) {
2404
2405 for (i = 0; i < nb_output_files; i++)
2406 av_metadata_copy(&output_files[i]->metadata, input_files[0].ctx->metadata,
2407 AV_METADATA_DONT_OVERWRITE);
2408 }
2409
2410 /* copy chapters according to chapter maps */
2411 for (i = 0; i < nb_chapter_maps; i++) {
2412 int infile = chapter_maps[i].in_file;
2413 int outfile = chapter_maps[i].out_file;
2414
2415 if (infile < 0 || outfile < 0)
2416 continue;
2417 if (infile >= nb_input_files) {
2418 snprintf(error, sizeof(error), "Invalid input file index %d in chapter mapping.\n", infile);
2419 ret = AVERROR(EINVAL);
2420 goto dump_format;
2421 }
2422 if (outfile >= nb_output_files) {
2423 snprintf(error, sizeof(error), "Invalid output file index %d in chapter mapping.\n",outfile);
2424 ret = AVERROR(EINVAL);
2425 goto dump_format;
2426 }
2427 copy_chapters(infile, outfile);
2428 }
2429
2430 /* copy chapters from the first input file that has them*/
2431 if (!nb_chapter_maps)
2432 for (i = 0; i < nb_input_files; i++) {
2433 if (!input_files[i].ctx->nb_chapters)
2434 continue;
2435
2436 for (j = 0; j < nb_output_files; j++)
2437 if ((ret = copy_chapters(i, j)) < 0)
2438 goto dump_format;
2439 break;
2440 }
2441
2442 /* open files and write file headers */
2443 for(i=0;i<nb_output_files;i++) {
2444 os = output_files[i];
2445 if (av_write_header(os) < 0) {
2446 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2447 ret = AVERROR(EINVAL);
2448 goto dump_format;
2449 }
2450 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2451 want_sdp = 0;
2452 }
2453 }
2454
2455 dump_format:
2456 /* dump the file output parameters - cannot be done before in case
2457 of stream copy */
2458 for(i=0;i<nb_output_files;i++) {
2459 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2460 }
2461
2462 /* dump the stream mapping */
2463 if (verbose >= 0) {
2464 fprintf(stderr, "Stream mapping:\n");
2465 for(i=0;i<nb_ostreams;i++) {
2466 ost = ost_table[i];
2467 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2468 input_streams[ost->source_index].file_index,
2469 input_streams[ost->source_index].st->index,
2470 ost->file_index,
2471 ost->index);
2472 if (ost->sync_ist != &input_streams[ost->source_index])
2473 fprintf(stderr, " [sync #%d.%d]",
2474 ost->sync_ist->file_index,
2475 ost->sync_ist->st->index);
2476 fprintf(stderr, "\n");
2477 }
2478 }
2479
2480 if (ret) {
2481 fprintf(stderr, "%s\n", error);
2482 goto fail;
2483 }
2484
2485 if (want_sdp) {
2486 print_sdp(output_files, nb_output_files);
2487 }
2488
2489 if (verbose >= 0)
2490 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2491 term_init();
2492
2493 timer_start = av_gettime();
2494
2495 for(; received_sigterm == 0;) {
2496 int file_index, ist_index;
2497 AVPacket pkt;
2498 double ipts_min;
2499 double opts_min;
2500
2501 redo:
2502 ipts_min= 1e100;
2503 opts_min= 1e100;
2504
2505 /* select the stream that we must read now by looking at the
2506 smallest output pts */
2507 file_index = -1;
2508 for(i=0;i<nb_ostreams;i++) {
2509 double ipts, opts;
2510 ost = ost_table[i];
2511 os = output_files[ost->file_index];
2512 ist = &input_streams[ost->source_index];
2513 if(ist->is_past_recording_time || no_packet[ist->file_index])
2514 continue;
2515 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2516 ipts = (double)ist->pts;
2517 if (!input_files[ist->file_index].eof_reached){
2518 if(ipts < ipts_min) {
2519 ipts_min = ipts;
2520 if(input_sync ) file_index = ist->file_index;
2521 }
2522 if(opts < opts_min) {
2523 opts_min = opts;
2524 if(!input_sync) file_index = ist->file_index;
2525 }
2526 }
2527 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2528 file_index= -1;
2529 break;
2530 }
2531 }
2532 /* if none, if is finished */
2533 if (file_index < 0) {
2534 if(no_packet_count){
2535 no_packet_count=0;
2536 memset(no_packet, 0, sizeof(no_packet));
2537 usleep(10000);
2538 continue;
2539 }
2540 break;
2541 }
2542
2543 /* finish if limit size exhausted */
2544 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
2545 break;
2546
2547 /* read a frame from it and output it in the fifo */
2548 is = input_files[file_index].ctx;
2549 ret= av_read_frame(is, &pkt);
2550 if(ret == AVERROR(EAGAIN)){
2551 no_packet[file_index]=1;
2552 no_packet_count++;
2553 continue;
2554 }
2555 if (ret < 0) {
2556 input_files[file_index].eof_reached = 1;
2557 if (opt_shortest)
2558 break;
2559 else
2560 continue;
2561 }
2562
2563 no_packet_count=0;
2564 memset(no_packet, 0, sizeof(no_packet));
2565
2566 if (do_pkt_dump) {
2567 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2568 is->streams[pkt.stream_index]);
2569 }
2570 /* the following test is needed in case new streams appear
2571 dynamically in stream : we ignore them */
2572 if (pkt.stream_index >= input_files[file_index].ctx->nb_streams)
2573 goto discard_packet;
2574 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2575 ist = &input_streams[ist_index];
2576 if (ist->discard)
2577 goto discard_packet;
2578
2579 if (pkt.dts != AV_NOPTS_VALUE)
2580 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2581 if (pkt.pts != AV_NOPTS_VALUE)
2582 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2583
2584 if (pkt.stream_index < nb_input_files_ts_scale[file_index]
2585 && input_files_ts_scale[file_index][pkt.stream_index]){
2586 if(pkt.pts != AV_NOPTS_VALUE)
2587 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2588 if(pkt.dts != AV_NOPTS_VALUE)
2589 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2590 }
2591
2592 // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files_ts_offset[ist->file_index], ist->st->codec->codec_type);
2593 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2594 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2595 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2596 int64_t delta= pkt_dts - ist->next_pts;
2597 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2598 input_files_ts_offset[ist->file_index]-= delta;
2599 if (verbose > 2)
2600 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2601 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2602 if(pkt.pts != AV_NOPTS_VALUE)
2603 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2604 }
2605 }
2606
2607 /* finish if recording time exhausted */
2608 if (recording_time != INT64_MAX &&
2609 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
2610 ist->is_past_recording_time = 1;
2611 goto discard_packet;
2612 }
2613
2614 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2615 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2616
2617 if (verbose >= 0)
2618 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2619 ist->file_index, ist->st->index);
2620 if (exit_on_error)
2621 ffmpeg_exit(1);
2622 av_free_packet(&pkt);
2623 goto redo;
2624 }
2625
2626 discard_packet:
2627 av_free_packet(&pkt);
2628
2629 /* dump report by using the output first video and audio streams */
2630 print_report(output_files, ost_table, nb_ostreams, 0);
2631 }
2632
2633 /* at the end of stream, we must flush the decoder buffers */
2634 for (i = 0; i < nb_input_streams; i++) {
2635 ist = &input_streams[i];
2636 if (ist->decoding_needed) {
2637 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2638 }
2639 }
2640
2641 term_exit();
2642
2643 /* write the trailer if needed and close file */
2644 for(i=0;i<nb_output_files;i++) {
2645 os = output_files[i];
2646 av_write_trailer(os);
2647 }
2648
2649 /* dump report by using the first video and audio streams */
2650 print_report(output_files, ost_table, nb_ostreams, 1);
2651
2652 /* close each encoder */
2653 for(i=0;i<nb_ostreams;i++) {
2654 ost = ost_table[i];
2655 if (ost->encoding_needed) {
2656 av_freep(&ost->st->codec->stats_in);
2657 avcodec_close(ost->st->codec);
2658 }
2659 #if CONFIG_AVFILTER
2660 avfilter_graph_free(&ost->graph);
2661 #endif
2662 }
2663
2664 /* close each decoder */
2665 for (i = 0; i < nb_input_streams; i++) {
2666 ist = &input_streams[i];
2667 if (ist->decoding_needed) {
2668 avcodec_close(ist->st->codec);
2669 }
2670 }
2671
2672 /* finished ! */
2673 ret = 0;
2674
2675 fail:
2676 av_freep(&bit_buffer);
2677
2678 if (ost_table) {
2679 for(i=0;i<nb_ostreams;i++) {
2680 ost = ost_table[i];
2681 if (ost) {
2682 if (ost->st->stream_copy)
2683 av_freep(&ost->st->codec->extradata);
2684 if (ost->logfile) {
2685 fclose(ost->logfile);
2686 ost->logfile = NULL;
2687 }
2688 av_fifo_free(ost->fifo); /* works even if fifo is not
2689 initialized but set to zero */
2690 av_freep(&ost->st->codec->subtitle_header);
2691 av_free(ost->pict_tmp.data[0]);
2692 av_free(ost->forced_kf_pts);
2693 if (ost->video_resample)
2694 sws_freeContext(ost->img_resample_ctx);
2695 if (ost->resample)
2696 audio_resample_close(ost->resample);
2697 if (ost->reformat_ctx)
2698 av_audio_convert_free(ost->reformat_ctx);
2699 av_free(ost);
2700 }
2701 }
2702 av_free(ost_table);
2703 }
2704 return ret;
2705 }
2706
2707 static int opt_format(const char *opt, const char *arg)
2708 {
2709 last_asked_format = arg;
2710 return 0;
2711 }
2712
2713 static int opt_video_rc_override_string(const char *opt, const char *arg)
2714 {
2715 video_rc_override_string = arg;
2716 return 0;
2717 }
2718
2719 static int opt_me_threshold(const char *opt, const char *arg)
2720 {
2721 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2722 return 0;
2723 }
2724
2725 static int opt_verbose(const char *opt, const char *arg)
2726 {
2727 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2728 return 0;
2729 }
2730
2731 static int opt_frame_rate(const char *opt, const char *arg)
2732 {
2733 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2734 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2735 ffmpeg_exit(1);
2736 }
2737 return 0;
2738 }
2739
2740 static int opt_bitrate(const char *opt, const char *arg)
2741 {
2742 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
2743
2744 opt_default(opt, arg);
2745
2746 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2747 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2748
2749 return 0;
2750 }
2751
2752 static int opt_frame_crop(const char *opt, const char *arg)
2753 {
2754 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2755 return AVERROR(EINVAL);
2756 }
2757
2758 static int opt_frame_size(const char *opt, const char *arg)
2759 {
2760 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2761 fprintf(stderr, "Incorrect frame size\n");
2762 return AVERROR(EINVAL);
2763 }
2764 return 0;
2765 }
2766
2767 static int opt_pad(const char *opt, const char *arg) {
2768 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2769 return -1;
2770 }
2771
2772 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2773 {
2774 if (strcmp(arg, "list")) {
2775 frame_pix_fmt = av_get_pix_fmt(arg);
2776 if (frame_pix_fmt == PIX_FMT_NONE) {
2777 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2778 return AVERROR(EINVAL);
2779 }
2780 } else {
2781 show_pix_fmts();
2782 ffmpeg_exit(0);
2783 }
2784 return 0;
2785 }
2786
2787 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2788 {
2789 int x = 0, y = 0;
2790 double ar = 0;
2791 const char *p;
2792 char *end;
2793
2794 p = strchr(arg, ':');
2795 if (p) {
2796 x = strtol(arg, &end, 10);
2797 if (end == p)
2798 y = strtol(end+1, &end, 10);
2799 if (x > 0 && y > 0)
2800 ar = (double)x / (double)y;
2801 } else
2802 ar = strtod(arg, NULL);
2803
2804 if (!ar) {
2805 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2806 return AVERROR(EINVAL);
2807 }
2808 frame_aspect_ratio = ar;
2809 return 0;
2810 }
2811
2812 static int opt_metadata(const char *opt, const char *arg)
2813 {
2814 char *mid= strchr(arg, '=');
2815
2816 if(!mid){
2817 fprintf(stderr, "Missing =\n");
2818 ffmpeg_exit(1);
2819 }
2820 *mid++= 0;
2821
2822 av_metadata_set2(&metadata, arg, mid, 0);
2823
2824 return 0;
2825 }
2826
2827 static int opt_qscale(const char *opt, const char *arg)
2828 {
2829 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2830 if (video_qscale == 0) {
2831 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2832 return AVERROR(EINVAL);
2833 }
2834 return 0;
2835 }
2836
2837 static int opt_top_field_first(const char *opt, const char *arg)
2838 {
2839 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2840 return 0;
2841 }
2842
2843 static int opt_thread_count(const char *opt, const char *arg)
2844 {
2845 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2846 #if !HAVE_THREADS
2847 if (verbose >= 0)
2848 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2849 #endif
2850 return 0;
2851 }
2852
2853 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2854 {
2855 if (strcmp(arg, "list")) {
2856 audio_sample_fmt = av_get_sample_fmt(arg);
2857 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2858 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2859 return AVERROR(EINVAL);
2860 }
2861 } else {
2862 int i;
2863 char fmt_str[128];
2864 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2865 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2866 ffmpeg_exit(0);
2867 }
2868 return 0;
2869 }
2870
2871 static int opt_audio_rate(const char *opt, const char *arg)
2872 {
2873 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2874 return 0;
2875 }
2876
2877 static int opt_audio_channels(const char *opt, const char *arg)
2878 {
2879 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2880 return 0;
2881 }
2882
2883 static int opt_video_channel(const char *opt, const char *arg)
2884 {
2885 video_channel = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2886 return 0;
2887 }
2888
2889 static int opt_video_standard(const char *opt, const char *arg)
2890 {
2891 video_standard = av_strdup(arg);
2892 return 0;
2893 }
2894
2895 static int opt_codec(int *pstream_copy, char **pcodec_name,
2896 int codec_type, const char *arg)
2897 {
2898 av_freep(pcodec_name);
2899 if (!strcmp(arg, "copy")) {
2900 *pstream_copy = 1;
2901 } else {
2902 *pcodec_name = av_strdup(arg);
2903 }
2904 return 0;
2905 }
2906
2907 static int opt_audio_codec(const char *opt, const char *arg)
2908 {
2909 return opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
2910 }
2911
2912 static int opt_video_codec(const char *opt, const char *arg)
2913 {
2914 return opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
2915 }
2916
2917 static int opt_subtitle_codec(const char *opt, const char *arg)
2918 {
2919 return opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
2920 }
2921
2922 static int opt_data_codec(const char *opt, const char *arg)
2923 {
2924 return opt_codec(&data_stream_copy, &data_codec_name, AVMEDIA_TYPE_DATA, arg);
2925 }
2926
2927 static int opt_codec_tag(const char *opt, const char *arg)
2928 {
2929 char *tail;
2930 uint32_t *codec_tag;
2931
2932 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2933 !strcmp(opt, "vtag") ? &video_codec_tag :
2934 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2935 if (!codec_tag)
2936 return -1;
2937
2938 *codec_tag = strtol(arg, &tail, 0);
2939 if (!tail || *tail)
2940 *codec_tag = AV_RL32(arg);
2941
2942 return 0;
2943 }
2944
2945 static int opt_map(const char *opt, const char *arg)
2946 {
2947 AVStreamMap *m;
2948 char *p;
2949
2950 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2951 m = &stream_maps[nb_stream_maps-1];
2952
2953 m->file_index = strtol(arg, &p, 0);
2954 if (*p)
2955 p++;
2956
2957 m->stream_index = strtol(p, &p, 0);
2958 if (*p) {
2959 p++;
2960 m->sync_file_index = strtol(p, &p, 0);
2961 if (*p)
2962 p++;
2963 m->sync_stream_index = strtol(p, &p, 0);
2964 } else {
2965 m->sync_file_index = m->file_index;
2966 m->sync_stream_index = m->stream_index;
2967 }
2968 return 0;
2969 }
2970
2971 static void parse_meta_type(char *arg, char *type, int *index, char **endptr)
2972 {
2973 *endptr = arg;
2974 if (*arg == ',') {
2975 *type = *(++arg);
2976 switch (*arg) {
2977 case 'g':
2978 break;
2979 case 's':
2980 case 'c':
2981 case 'p':
2982 *index = strtol(++arg, endptr, 0);
2983 break;
2984 default:
2985 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2986 ffmpeg_exit(1);
2987 }
2988 } else
2989 *type = 'g';
2990 }
2991
2992 static int opt_map_metadata(const char *opt, const char *arg)
2993 {
2994 AVMetaDataMap *m, *m1;
2995 char *p;
2996
2997 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2998 &nb_meta_data_maps, nb_meta_data_maps + 1);
2999
3000 m = &meta_data_maps[nb_meta_data_maps - 1][0];
3001 m->file = strtol(arg, &p, 0);
3002 parse_meta_type(p, &m->type, &m->index, &p);
3003 if (*p)
3004 p++;
3005
3006 m1 = &meta_data_maps[nb_meta_data_maps - 1][1];
3007 m1->file = strtol(p, &p, 0);
3008 parse_meta_type(p, &m1->type, &m1->index, &p);
3009
3010 if (m->type == 'g' || m1->type == 'g')
3011 metadata_global_autocopy = 0;
3012 if (m->type == 's' || m1->type == 's')
3013 metadata_streams_autocopy = 0;
3014 if (m->type == 'c' || m1->type == 'c')
3015 metadata_chapters_autocopy = 0;
3016
3017 return 0;
3018 }
3019
3020 static int opt_map_meta_data(const char *opt, const char *arg)
3021 {
3022 fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
3023 "Use -map_metadata instead.\n");
3024 return opt_map_metadata(opt, arg);
3025 }
3026
3027 static int opt_map_chapters(const char *opt, const char *arg)
3028 {
3029 AVChapterMap *c;
3030 char *p;
3031
3032 chapter_maps = grow_array(chapter_maps, sizeof(*chapter_maps), &nb_chapter_maps,
3033 nb_chapter_maps + 1);
3034 c = &chapter_maps[nb_chapter_maps - 1];
3035 c->out_file = strtol(arg, &p, 0);
3036 if (*p)
3037 p++;
3038
3039 c->in_file = strtol(p, &p, 0);
3040 return 0;
3041 }
3042
3043 static int opt_input_ts_scale(const char *opt, const char *arg)
3044 {
3045 unsigned int stream;
3046 double scale;
3047 char *p;
3048
3049 stream = strtol(arg, &p, 0);
3050 if (*p)
3051 p++;
3052 scale= strtod(p, &p);
3053
3054 if(stream >= MAX_STREAMS)
3055 ffmpeg_exit(1);
3056
3057 input_files_ts_scale[nb_input_files] = grow_array(input_files_ts_scale[nb_input_files], sizeof(*input_files_ts_scale[nb_input_files]), &nb_input_files_ts_scale[nb_input_files], stream + 1);
3058 input_files_ts_scale[nb_input_files][stream]= scale;
3059 return 0;
3060 }
3061
3062 static int opt_recording_time(const char *opt, const char *arg)
3063 {
3064 recording_time = parse_time_or_die(opt, arg, 1);
3065 return 0;
3066 }
3067
3068 static int opt_start_time(const char *opt, const char *arg)
3069 {
3070 start_time = parse_time_or_die(opt, arg, 1);
3071 return 0;
3072 }
3073
3074 static int opt_recording_timestamp(const char *opt, const char *arg)
3075 {
3076 recording_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
3077 return 0;
3078 }
3079
3080 static int opt_input_ts_offset(const char *opt, const char *arg)
3081 {
3082 input_ts_offset = parse_time_or_die(opt, arg, 1);
3083 return 0;
3084 }
3085
3086 static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
3087 {
3088 const char *codec_string = encoder ? "encoder" : "decoder";
3089 AVCodec *codec;
3090
3091 if(!name)
3092 return CODEC_ID_NONE;
3093 codec = encoder ?
3094 avcodec_find_encoder_by_name(name) :
3095 avcodec_find_decoder_by_name(name);
3096 if(!codec) {
3097 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
3098 ffmpeg_exit(1);
3099 }
3100 if(codec->type != type) {
3101 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
3102 ffmpeg_exit(1);
3103 }
3104 if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
3105 strict > FF_COMPLIANCE_EXPERIMENTAL) {
3106 fprintf(stderr, "%s '%s' is experimental and might produce bad "
3107 "results.\nAdd '-strict experimental' if you want to use it.\n",
3108 codec_string, codec->name);
3109 codec = encoder ?
3110 avcodec_find_encoder(codec->id) :
3111 avcodec_find_decoder(codec->id);
3112 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
3113 fprintf(stderr, "Or use the non experimental %s '%s'.\n",
3114 codec_string, codec->name);
3115 ffmpeg_exit(1);
3116 }
3117 return codec->id;
3118 }
3119
3120 static int opt_input_file(const char *opt, const char *filename)
3121 {
3122 AVFormatContext *ic;
3123 AVFormatParameters params, *ap = &params;
3124 AVInputFormat *file_iformat = NULL;
3125 int err, i, ret, rfps, rfps_base;
3126 int64_t timestamp;
3127
3128 if (last_asked_format) {
3129 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3130 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3131 ffmpeg_exit(1);
3132 }
3133 last_asked_format = NULL;
3134 }
3135
3136 if (!strcmp(filename, "-"))
3137 filename = "pipe:";
3138
3139 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3140 !strcmp(filename, "/dev/stdin");
3141
3142 /* get default parameters from command line */
3143 ic = avformat_alloc_context();
3144 if (!ic) {
3145 print_error(filename, AVERROR(ENOMEM));
3146 ffmpeg_exit(1);
3147 }
3148
3149 memset(ap, 0, sizeof(*ap));
3150 ap->prealloced_context = 1;
3151 ap->sample_rate = audio_sample_rate;
3152 ap->channels = audio_channels;
3153 ap->time_base.den = frame_rate.num;
3154 ap->time_base.num = frame_rate.den;
3155 ap->width = frame_width;
3156 ap->height = frame_height;
3157 ap->pix_fmt = frame_pix_fmt;
3158 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
3159 ap->channel = video_channel;
3160 ap->standard = video_standard;
3161
3162 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM, NULL);
3163
3164 ic->video_codec_id =
3165 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0,
3166 avcodec_opts[AVMEDIA_TYPE_VIDEO ]->strict_std_compliance);
3167 ic->audio_codec_id =
3168 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0,
3169 avcodec_opts[AVMEDIA_TYPE_AUDIO ]->strict_std_compliance);
3170 ic->subtitle_codec_id=
3171 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
3172 avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->str