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avconv: remove two unused macros.
[libav.git] / avconv.c
1 /*
2 * avconv main
3 * Copyright (c) 2000-2011 The libav developers.
4 *
5 * This file is part of Libav.
6 *
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #include "config.h"
23 #include <ctype.h>
24 #include <string.h>
25 #include <math.h>
26 #include <stdlib.h>
27 #include <errno.h>
28 #include <signal.h>
29 #include <limits.h>
30 #include <unistd.h>
31 #include "libavformat/avformat.h"
32 #include "libavdevice/avdevice.h"
33 #include "libswscale/swscale.h"
34 #include "libavutil/opt.h"
35 #include "libavcodec/audioconvert.h"
36 #include "libavutil/audioconvert.h"
37 #include "libavutil/parseutils.h"
38 #include "libavutil/samplefmt.h"
39 #include "libavutil/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/dict.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/libm.h"
47 #include "libavformat/os_support.h"
48
49 #if CONFIG_AVFILTER
50 # include "libavfilter/avfilter.h"
51 # include "libavfilter/avfiltergraph.h"
52 # include "libavfilter/vsrc_buffer.h"
53 #endif
54
55 #if HAVE_SYS_RESOURCE_H
56 #include <sys/types.h>
57 #include <sys/time.h>
58 #include <sys/resource.h>
59 #elif HAVE_GETPROCESSTIMES
60 #include <windows.h>
61 #endif
62 #if HAVE_GETPROCESSMEMORYINFO
63 #include <windows.h>
64 #include <psapi.h>
65 #endif
66
67 #if HAVE_SYS_SELECT_H
68 #include <sys/select.h>
69 #endif
70
71 #include <time.h>
72
73 #include "cmdutils.h"
74
75 #include "libavutil/avassert.h"
76
77 const char program_name[] = "avconv";
78 const int program_birth_year = 2000;
79
80 /* select an input stream for an output stream */
81 typedef struct StreamMap {
82 int disabled; /** 1 is this mapping is disabled by a negative map */
83 int file_index;
84 int stream_index;
85 int sync_file_index;
86 int sync_stream_index;
87 } StreamMap;
88
89 /**
90 * select an input file for an output file
91 */
92 typedef struct MetadataMap {
93 int file; //< file index
94 char type; //< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
95 int index; //< stream/chapter/program number
96 } MetadataMap;
97
98 static const OptionDef options[];
99
100 static const char *last_asked_format = NULL;
101 static AVDictionary *ts_scale;
102
103 static StreamMap *stream_maps = NULL;
104 static int nb_stream_maps;
105
106 static AVDictionary *codec_names;
107
108 /* first item specifies output metadata, second is input */
109 static MetadataMap (*meta_data_maps)[2] = NULL;
110 static int nb_meta_data_maps;
111 static int metadata_global_autocopy = 1;
112 static int metadata_streams_autocopy = 1;
113 static int metadata_chapters_autocopy = 1;
114
115 static int chapters_input_file = INT_MAX;
116
117 /* indexed by output file stream index */
118 static int *streamid_map = NULL;
119 static int nb_streamid_map = 0;
120
121 static int frame_width = 0;
122 static int frame_height = 0;
123 static float frame_aspect_ratio = 0;
124 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
125 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
126 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
127 static AVRational frame_rate;
128 static float video_qscale = 0;
129 static uint16_t *intra_matrix = NULL;
130 static uint16_t *inter_matrix = NULL;
131 static const char *video_rc_override_string=NULL;
132 static int video_disable = 0;
133 static int video_discard = 0;
134 static unsigned int video_codec_tag = 0;
135 static char *video_language = NULL;
136 static int same_quant = 0;
137 static int do_deinterlace = 0;
138 static int top_field_first = -1;
139 static int me_threshold = 0;
140 static int intra_dc_precision = 8;
141 static int qp_hist = 0;
142 #if CONFIG_AVFILTER
143 static char *vfilters = NULL;
144 #endif
145
146 static int intra_only = 0;
147 static int audio_sample_rate = 0;
148 #define QSCALE_NONE -99999
149 static float audio_qscale = QSCALE_NONE;
150 static int audio_disable = 0;
151 static int audio_channels = 0;
152 static unsigned int audio_codec_tag = 0;
153 static char *audio_language = NULL;
154
155 static int subtitle_disable = 0;
156 static char *subtitle_language = NULL;
157 static unsigned int subtitle_codec_tag = 0;
158
159 static int data_disable = 0;
160 static unsigned int data_codec_tag = 0;
161
162 static float mux_preload= 0.5;
163 static float mux_max_delay= 0.7;
164
165 static int64_t recording_time = INT64_MAX;
166 static int64_t start_time = 0;
167 static int64_t input_ts_offset = 0;
168 static int file_overwrite = 0;
169 static AVDictionary *metadata;
170 static int do_benchmark = 0;
171 static int do_hex_dump = 0;
172 static int do_pkt_dump = 0;
173 static int do_psnr = 0;
174 static int do_pass = 0;
175 static char *pass_logfilename_prefix = NULL;
176 static int video_sync_method= -1;
177 static int audio_sync_method= 0;
178 static float audio_drift_threshold= 0.1;
179 static int copy_ts= 0;
180 static int copy_tb;
181 static int opt_shortest = 0;
182 static char *vstats_filename;
183 static FILE *vstats_file;
184 static int opt_programid = 0;
185 static int copy_initial_nonkeyframes = 0;
186
187 static int rate_emu = 0;
188
189 static int audio_volume = 256;
190
191 static int exit_on_error = 0;
192 static int using_stdin = 0;
193 static int verbose = 1;
194 static int thread_count= 1;
195 static int64_t video_size = 0;
196 static int64_t audio_size = 0;
197 static int64_t extra_size = 0;
198 static int nb_frames_dup = 0;
199 static int nb_frames_drop = 0;
200 static int input_sync;
201 static uint64_t limit_filesize = 0;
202 static int force_fps = 0;
203 static char *forced_key_frames = NULL;
204
205 static float dts_delta_threshold = 10;
206
207 static int64_t timer_start;
208
209 static uint8_t *audio_buf;
210 static uint8_t *audio_out;
211 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
212
213 static short *samples;
214
215 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
216 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
217 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
218
219 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
220
221 struct InputStream;
222
223 typedef struct OutputStream {
224 int file_index; /* file index */
225 int index; /* stream index in the output file */
226 int source_index; /* InputStream index */
227 AVStream *st; /* stream in the output file */
228 int encoding_needed; /* true if encoding needed for this stream */
229 int frame_number;
230 /* input pts and corresponding output pts
231 for A/V sync */
232 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
233 struct InputStream *sync_ist; /* input stream to sync against */
234 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
235 AVBitStreamFilterContext *bitstream_filters;
236 AVCodec *enc;
237
238 /* video only */
239 int video_resample;
240 AVFrame pict_tmp; /* temporary image for resampling */
241 struct SwsContext *img_resample_ctx; /* for image resampling */
242 int resample_height;
243 int resample_width;
244 int resample_pix_fmt;
245 AVRational frame_rate;
246
247 float frame_aspect_ratio;
248
249 /* forced key frames */
250 int64_t *forced_kf_pts;
251 int forced_kf_count;
252 int forced_kf_index;
253
254 /* audio only */
255 int audio_resample;
256 ReSampleContext *resample; /* for audio resampling */
257 int resample_sample_fmt;
258 int resample_channels;
259 int resample_sample_rate;
260 int reformat_pair;
261 AVAudioConvert *reformat_ctx;
262 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
263 FILE *logfile;
264
265 #if CONFIG_AVFILTER
266 AVFilterContext *output_video_filter;
267 AVFilterContext *input_video_filter;
268 AVFilterBufferRef *picref;
269 char *avfilter;
270 AVFilterGraph *graph;
271 #endif
272
273 int sws_flags;
274 AVDictionary *opts;
275 int is_past_recording_time;
276 } OutputStream;
277
278 typedef struct InputStream {
279 int file_index;
280 AVStream *st;
281 int discard; /* true if stream data should be discarded */
282 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
283 AVCodec *dec;
284
285 int64_t start; /* time when read started */
286 int64_t next_pts; /* synthetic pts for cases where pkt.pts
287 is not defined */
288 int64_t pts; /* current pts */
289 PtsCorrectionContext pts_ctx;
290 double ts_scale;
291 int is_start; /* is 1 at the start and after a discontinuity */
292 int showed_multi_packet_warning;
293 AVDictionary *opts;
294 } InputStream;
295
296 typedef struct InputFile {
297 AVFormatContext *ctx;
298 int eof_reached; /* true if eof reached */
299 int ist_index; /* index of first stream in ist_table */
300 int buffer_size; /* current total buffer size */
301 int64_t ts_offset;
302 } InputFile;
303
304 typedef struct OutputFile {
305 AVFormatContext *ctx;
306 AVDictionary *opts;
307 int ost_index; /* index of the first stream in output_streams */
308 int64_t recording_time; /* desired length of the resulting file in microseconds */
309 int64_t start_time; /* start time in microseconds */
310 } OutputFile;
311
312 static InputStream *input_streams = NULL;
313 static int nb_input_streams = 0;
314 static InputFile *input_files = NULL;
315 static int nb_input_files = 0;
316
317 static OutputStream *output_streams = NULL;
318 static int nb_output_streams = 0;
319 static OutputFile *output_files = NULL;
320 static int nb_output_files = 0;
321
322 #if CONFIG_AVFILTER
323
324 static int configure_video_filters(InputStream *ist, OutputStream *ost)
325 {
326 AVFilterContext *last_filter, *filter;
327 /** filter graph containing all filters including input & output */
328 AVCodecContext *codec = ost->st->codec;
329 AVCodecContext *icodec = ist->st->codec;
330 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
331 AVRational sample_aspect_ratio;
332 char args[255];
333 int ret;
334
335 ost->graph = avfilter_graph_alloc();
336
337 if (ist->st->sample_aspect_ratio.num){
338 sample_aspect_ratio = ist->st->sample_aspect_ratio;
339 }else
340 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
341
342 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
343 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
344 sample_aspect_ratio.num, sample_aspect_ratio.den);
345
346 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
347 "src", args, NULL, ost->graph);
348 if (ret < 0)
349 return ret;
350 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
351 "out", NULL, &ffsink_ctx, ost->graph);
352 if (ret < 0)
353 return ret;
354 last_filter = ost->input_video_filter;
355
356 if (codec->width != icodec->width || codec->height != icodec->height) {
357 snprintf(args, 255, "%d:%d:flags=0x%X",
358 codec->width,
359 codec->height,
360 ost->sws_flags);
361 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
362 NULL, args, NULL, ost->graph)) < 0)
363 return ret;
364 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
365 return ret;
366 last_filter = filter;
367 }
368
369 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
370 ost->graph->scale_sws_opts = av_strdup(args);
371
372 if (ost->avfilter) {
373 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
374 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
375
376 outputs->name = av_strdup("in");
377 outputs->filter_ctx = last_filter;
378 outputs->pad_idx = 0;
379 outputs->next = NULL;
380
381 inputs->name = av_strdup("out");
382 inputs->filter_ctx = ost->output_video_filter;
383 inputs->pad_idx = 0;
384 inputs->next = NULL;
385
386 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
387 return ret;
388 av_freep(&ost->avfilter);
389 } else {
390 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
391 return ret;
392 }
393
394 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
395 return ret;
396
397 codec->width = ost->output_video_filter->inputs[0]->w;
398 codec->height = ost->output_video_filter->inputs[0]->h;
399 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
400 ost->frame_aspect_ratio ? // overriden by the -aspect cli option
401 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
402 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
403
404 return 0;
405 }
406 #endif /* CONFIG_AVFILTER */
407
408 static void term_exit(void)
409 {
410 av_log(NULL, AV_LOG_QUIET, "");
411 }
412
413 static volatile int received_sigterm = 0;
414 static volatile int received_nb_signals = 0;
415
416 static void
417 sigterm_handler(int sig)
418 {
419 received_sigterm = sig;
420 received_nb_signals++;
421 term_exit();
422 }
423
424 static void term_init(void)
425 {
426 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
427 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
428 #ifdef SIGXCPU
429 signal(SIGXCPU, sigterm_handler);
430 #endif
431 }
432
433 static int decode_interrupt_cb(void)
434 {
435 return received_nb_signals > 1;
436 }
437
438 static int exit_program(int ret)
439 {
440 int i;
441
442 /* close files */
443 for(i=0;i<nb_output_files;i++) {
444 AVFormatContext *s = output_files[i].ctx;
445 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
446 avio_close(s->pb);
447 avformat_free_context(s);
448 av_dict_free(&output_files[i].opts);
449 }
450 for(i=0;i<nb_input_files;i++) {
451 av_close_input_file(input_files[i].ctx);
452 }
453 for (i = 0; i < nb_input_streams; i++)
454 av_dict_free(&input_streams[i].opts);
455
456 av_free(intra_matrix);
457 av_free(inter_matrix);
458
459 if (vstats_file)
460 fclose(vstats_file);
461 av_free(vstats_filename);
462
463 av_free(streamid_map);
464 av_free(meta_data_maps);
465
466 av_freep(&input_streams);
467 av_freep(&input_files);
468 av_freep(&output_streams);
469 av_freep(&output_files);
470
471 uninit_opts();
472 av_free(audio_buf);
473 av_free(audio_out);
474 allocated_audio_buf_size= allocated_audio_out_size= 0;
475 av_free(samples);
476
477 #if CONFIG_AVFILTER
478 avfilter_uninit();
479 #endif
480
481 if (received_sigterm) {
482 fprintf(stderr,
483 "Received signal %d: terminating.\n",
484 (int) received_sigterm);
485 exit (255);
486 }
487
488 exit(ret); /* not all OS-es handle main() return value */
489 return ret;
490 }
491
492 static void assert_avoptions(AVDictionary *m)
493 {
494 AVDictionaryEntry *t;
495 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
496 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
497 exit_program(1);
498 }
499 }
500
501 static void assert_codec_experimental(AVCodecContext *c, int encoder)
502 {
503 const char *codec_string = encoder ? "encoder" : "decoder";
504 AVCodec *codec;
505 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
506 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
507 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
508 "results.\nAdd '-strict experimental' if you want to use it.\n",
509 codec_string, c->codec->name);
510 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
511 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
512 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
513 codec_string, codec->name);
514 exit_program(1);
515 }
516 }
517
518 /* similar to ff_dynarray_add() and av_fast_realloc() */
519 static void *grow_array(void *array, int elem_size, int *size, int new_size)
520 {
521 if (new_size >= INT_MAX / elem_size) {
522 fprintf(stderr, "Array too big.\n");
523 exit_program(1);
524 }
525 if (*size < new_size) {
526 uint8_t *tmp = av_realloc(array, new_size*elem_size);
527 if (!tmp) {
528 fprintf(stderr, "Could not alloc buffer.\n");
529 exit_program(1);
530 }
531 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
532 *size = new_size;
533 return tmp;
534 }
535 return array;
536 }
537
538 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
539 {
540 if(codec && codec->sample_fmts){
541 const enum AVSampleFormat *p= codec->sample_fmts;
542 for(; *p!=-1; p++){
543 if(*p == st->codec->sample_fmt)
544 break;
545 }
546 if (*p == -1) {
547 av_log(NULL, AV_LOG_WARNING,
548 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
549 av_get_sample_fmt_name(st->codec->sample_fmt),
550 codec->name,
551 av_get_sample_fmt_name(codec->sample_fmts[0]));
552 st->codec->sample_fmt = codec->sample_fmts[0];
553 }
554 }
555 }
556
557 /**
558 * Update the requested input sample format based on the output sample format.
559 * This is currently only used to request float output from decoders which
560 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
561 * Ideally this will be removed in the future when decoders do not do format
562 * conversion and only output in their native format.
563 */
564 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
565 AVCodecContext *enc)
566 {
567 /* if sample formats match or a decoder sample format has already been
568 requested, just return */
569 if (enc->sample_fmt == dec->sample_fmt ||
570 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
571 return;
572
573 /* if decoder supports more than one output format */
574 if (dec_codec && dec_codec->sample_fmts &&
575 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
576 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
577 const enum AVSampleFormat *p;
578 int min_dec = -1, min_inc = -1;
579
580 /* find a matching sample format in the encoder */
581 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
582 if (*p == enc->sample_fmt) {
583 dec->request_sample_fmt = *p;
584 return;
585 } else if (*p > enc->sample_fmt) {
586 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
587 } else
588 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
589 }
590
591 /* if none match, provide the one that matches quality closest */
592 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
593 enc->sample_fmt - min_dec;
594 }
595 }
596
597 static void choose_sample_rate(AVStream *st, AVCodec *codec)
598 {
599 if(codec && codec->supported_samplerates){
600 const int *p= codec->supported_samplerates;
601 int best=0;
602 int best_dist=INT_MAX;
603 for(; *p; p++){
604 int dist= abs(st->codec->sample_rate - *p);
605 if(dist < best_dist){
606 best_dist= dist;
607 best= *p;
608 }
609 }
610 if(best_dist){
611 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
612 }
613 st->codec->sample_rate= best;
614 }
615 }
616
617 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
618 {
619 if(codec && codec->pix_fmts){
620 const enum PixelFormat *p= codec->pix_fmts;
621 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
622 if(st->codec->codec_id==CODEC_ID_MJPEG){
623 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
624 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
625 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};
626 }
627 }
628 for(; *p!=-1; p++){
629 if(*p == st->codec->pix_fmt)
630 break;
631 }
632 if (*p == -1) {
633 if(st->codec->pix_fmt != PIX_FMT_NONE)
634 av_log(NULL, AV_LOG_WARNING,
635 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
636 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
637 codec->name,
638 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
639 st->codec->pix_fmt = codec->pix_fmts[0];
640 }
641 }
642 }
643
644 static double
645 get_sync_ipts(const OutputStream *ost)
646 {
647 const InputStream *ist = ost->sync_ist;
648 OutputFile *of = &output_files[ost->file_index];
649 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
650 }
651
652 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
653 int ret;
654
655 while(bsfc){
656 AVPacket new_pkt= *pkt;
657 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
658 &new_pkt.data, &new_pkt.size,
659 pkt->data, pkt->size,
660 pkt->flags & AV_PKT_FLAG_KEY);
661 if(a>0){
662 av_free_packet(pkt);
663 new_pkt.destruct= av_destruct_packet;
664 } else if(a<0){
665 fprintf(stderr, "%s failed for stream %d, codec %s",
666 bsfc->filter->name, pkt->stream_index,
667 avctx->codec ? avctx->codec->name : "copy");
668 print_error("", a);
669 if (exit_on_error)
670 exit_program(1);
671 }
672 *pkt= new_pkt;
673
674 bsfc= bsfc->next;
675 }
676
677 ret= av_interleaved_write_frame(s, pkt);
678 if(ret < 0){
679 print_error("av_interleaved_write_frame()", ret);
680 exit_program(1);
681 }
682 }
683
684 static void do_audio_out(AVFormatContext *s,
685 OutputStream *ost,
686 InputStream *ist,
687 unsigned char *buf, int size)
688 {
689 uint8_t *buftmp;
690 int64_t audio_out_size, audio_buf_size;
691 int64_t allocated_for_size= size;
692
693 int size_out, frame_bytes, ret, resample_changed;
694 AVCodecContext *enc= ost->st->codec;
695 AVCodecContext *dec= ist->st->codec;
696 int osize = av_get_bytes_per_sample(enc->sample_fmt);
697 int isize = av_get_bytes_per_sample(dec->sample_fmt);
698 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
699
700 need_realloc:
701 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
702 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
703 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
704 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
705 audio_buf_size*= osize*enc->channels;
706
707 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
708 if(coded_bps > 8*osize)
709 audio_out_size= audio_out_size * coded_bps / (8*osize);
710 audio_out_size += FF_MIN_BUFFER_SIZE;
711
712 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
713 fprintf(stderr, "Buffer sizes too large\n");
714 exit_program(1);
715 }
716
717 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
718 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
719 if (!audio_buf || !audio_out){
720 fprintf(stderr, "Out of memory in do_audio_out\n");
721 exit_program(1);
722 }
723
724 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
725 ost->audio_resample = 1;
726
727 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
728 ost->resample_channels != dec->channels ||
729 ost->resample_sample_rate != dec->sample_rate;
730
731 if ((ost->audio_resample && !ost->resample) || resample_changed) {
732 if (resample_changed) {
733 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",
734 ist->file_index, ist->st->index,
735 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
736 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
737 ost->resample_sample_fmt = dec->sample_fmt;
738 ost->resample_channels = dec->channels;
739 ost->resample_sample_rate = dec->sample_rate;
740 if (ost->resample)
741 audio_resample_close(ost->resample);
742 }
743 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
744 if (audio_sync_method <= 1 &&
745 ost->resample_sample_fmt == enc->sample_fmt &&
746 ost->resample_channels == enc->channels &&
747 ost->resample_sample_rate == enc->sample_rate) {
748 ost->resample = NULL;
749 ost->audio_resample = 0;
750 } else if (ost->audio_resample) {
751 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
752 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
753 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
754 enc->sample_rate, dec->sample_rate,
755 enc->sample_fmt, dec->sample_fmt,
756 16, 10, 0, 0.8);
757 if (!ost->resample) {
758 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
759 dec->channels, dec->sample_rate,
760 enc->channels, enc->sample_rate);
761 exit_program(1);
762 }
763 }
764 }
765
766 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
767 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
768 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
769 if (ost->reformat_ctx)
770 av_audio_convert_free(ost->reformat_ctx);
771 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
772 dec->sample_fmt, 1, NULL, 0);
773 if (!ost->reformat_ctx) {
774 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
775 av_get_sample_fmt_name(dec->sample_fmt),
776 av_get_sample_fmt_name(enc->sample_fmt));
777 exit_program(1);
778 }
779 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
780 }
781
782 if(audio_sync_method){
783 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
784 - av_fifo_size(ost->fifo)/(enc->channels * 2);
785 double idelta= delta*dec->sample_rate / enc->sample_rate;
786 int byte_delta= ((int)idelta)*2*dec->channels;
787
788 //FIXME resample delay
789 if(fabs(delta) > 50){
790 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
791 if(byte_delta < 0){
792 byte_delta= FFMAX(byte_delta, -size);
793 size += byte_delta;
794 buf -= byte_delta;
795 if(verbose > 2)
796 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
797 if(!size)
798 return;
799 ist->is_start=0;
800 }else{
801 static uint8_t *input_tmp= NULL;
802 input_tmp= av_realloc(input_tmp, byte_delta + size);
803
804 if(byte_delta > allocated_for_size - size){
805 allocated_for_size= byte_delta + (int64_t)size;
806 goto need_realloc;
807 }
808 ist->is_start=0;
809
810 memset(input_tmp, 0, byte_delta);
811 memcpy(input_tmp + byte_delta, buf, size);
812 buf= input_tmp;
813 size += byte_delta;
814 if(verbose > 2)
815 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
816 }
817 }else if(audio_sync_method>1){
818 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
819 av_assert0(ost->audio_resample);
820 if(verbose > 2)
821 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
822 // 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));
823 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
824 }
825 }
826 }else
827 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
828 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
829
830 if (ost->audio_resample) {
831 buftmp = audio_buf;
832 size_out = audio_resample(ost->resample,
833 (short *)buftmp, (short *)buf,
834 size / (dec->channels * isize));
835 size_out = size_out * enc->channels * osize;
836 } else {
837 buftmp = buf;
838 size_out = size;
839 }
840
841 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
842 const void *ibuf[6]= {buftmp};
843 void *obuf[6]= {audio_buf};
844 int istride[6]= {isize};
845 int ostride[6]= {osize};
846 int len= size_out/istride[0];
847 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
848 printf("av_audio_convert() failed\n");
849 if (exit_on_error)
850 exit_program(1);
851 return;
852 }
853 buftmp = audio_buf;
854 size_out = len*osize;
855 }
856
857 /* now encode as many frames as possible */
858 if (enc->frame_size > 1) {
859 /* output resampled raw samples */
860 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
861 fprintf(stderr, "av_fifo_realloc2() failed\n");
862 exit_program(1);
863 }
864 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
865
866 frame_bytes = enc->frame_size * osize * enc->channels;
867
868 while (av_fifo_size(ost->fifo) >= frame_bytes) {
869 AVPacket pkt;
870 av_init_packet(&pkt);
871
872 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
873
874 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
875
876 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
877 (short *)audio_buf);
878 if (ret < 0) {
879 fprintf(stderr, "Audio encoding failed\n");
880 exit_program(1);
881 }
882 audio_size += ret;
883 pkt.stream_index= ost->index;
884 pkt.data= audio_out;
885 pkt.size= ret;
886 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
887 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
888 pkt.flags |= AV_PKT_FLAG_KEY;
889 write_frame(s, &pkt, enc, ost->bitstream_filters);
890
891 ost->sync_opts += enc->frame_size;
892 }
893 } else {
894 AVPacket pkt;
895 av_init_packet(&pkt);
896
897 ost->sync_opts += size_out / (osize * enc->channels);
898
899 /* output a pcm frame */
900 /* determine the size of the coded buffer */
901 size_out /= osize;
902 if (coded_bps)
903 size_out = size_out*coded_bps/8;
904
905 if(size_out > audio_out_size){
906 fprintf(stderr, "Internal error, buffer size too small\n");
907 exit_program(1);
908 }
909
910 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
911 ret = avcodec_encode_audio(enc, audio_out, size_out,
912 (short *)buftmp);
913 if (ret < 0) {
914 fprintf(stderr, "Audio encoding failed\n");
915 exit_program(1);
916 }
917 audio_size += ret;
918 pkt.stream_index= ost->index;
919 pkt.data= audio_out;
920 pkt.size= ret;
921 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
922 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
923 pkt.flags |= AV_PKT_FLAG_KEY;
924 write_frame(s, &pkt, enc, ost->bitstream_filters);
925 }
926 }
927
928 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
929 {
930 AVCodecContext *dec;
931 AVPicture *picture2;
932 AVPicture picture_tmp;
933 uint8_t *buf = 0;
934
935 dec = ist->st->codec;
936
937 /* deinterlace : must be done before any resize */
938 if (do_deinterlace) {
939 int size;
940
941 /* create temporary picture */
942 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
943 buf = av_malloc(size);
944 if (!buf)
945 return;
946
947 picture2 = &picture_tmp;
948 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
949
950 if(avpicture_deinterlace(picture2, picture,
951 dec->pix_fmt, dec->width, dec->height) < 0) {
952 /* if error, do not deinterlace */
953 fprintf(stderr, "Deinterlacing failed\n");
954 av_free(buf);
955 buf = NULL;
956 picture2 = picture;
957 }
958 } else {
959 picture2 = picture;
960 }
961
962 if (picture != picture2)
963 *picture = *picture2;
964 *bufp = buf;
965 }
966
967 static void do_subtitle_out(AVFormatContext *s,
968 OutputStream *ost,
969 InputStream *ist,
970 AVSubtitle *sub,
971 int64_t pts)
972 {
973 static uint8_t *subtitle_out = NULL;
974 int subtitle_out_max_size = 1024 * 1024;
975 int subtitle_out_size, nb, i;
976 AVCodecContext *enc;
977 AVPacket pkt;
978
979 if (pts == AV_NOPTS_VALUE) {
980 fprintf(stderr, "Subtitle packets must have a pts\n");
981 if (exit_on_error)
982 exit_program(1);
983 return;
984 }
985
986 enc = ost->st->codec;
987
988 if (!subtitle_out) {
989 subtitle_out = av_malloc(subtitle_out_max_size);
990 }
991
992 /* Note: DVB subtitle need one packet to draw them and one other
993 packet to clear them */
994 /* XXX: signal it in the codec context ? */
995 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
996 nb = 2;
997 else
998 nb = 1;
999
1000 for(i = 0; i < nb; i++) {
1001 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1002 // start_display_time is required to be 0
1003 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1004 sub->end_display_time -= sub->start_display_time;
1005 sub->start_display_time = 0;
1006 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1007 subtitle_out_max_size, sub);
1008 if (subtitle_out_size < 0) {
1009 fprintf(stderr, "Subtitle encoding failed\n");
1010 exit_program(1);
1011 }
1012
1013 av_init_packet(&pkt);
1014 pkt.stream_index = ost->index;
1015 pkt.data = subtitle_out;
1016 pkt.size = subtitle_out_size;
1017 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1018 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1019 /* XXX: the pts correction is handled here. Maybe handling
1020 it in the codec would be better */
1021 if (i == 0)
1022 pkt.pts += 90 * sub->start_display_time;
1023 else
1024 pkt.pts += 90 * sub->end_display_time;
1025 }
1026 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1027 }
1028 }
1029
1030 static int bit_buffer_size= 1024*256;
1031 static uint8_t *bit_buffer= NULL;
1032
1033 static void do_video_resample(OutputStream *ost,
1034 InputStream *ist,
1035 AVFrame *in_picture,
1036 AVFrame **out_picture)
1037 {
1038 int resample_changed = 0;
1039 AVCodecContext *dec = ist->st->codec;
1040 *out_picture = in_picture;
1041
1042 resample_changed = ost->resample_width != dec->width ||
1043 ost->resample_height != dec->height ||
1044 ost->resample_pix_fmt != dec->pix_fmt;
1045
1046 if (resample_changed) {
1047 av_log(NULL, AV_LOG_INFO,
1048 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1049 ist->file_index, ist->st->index,
1050 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1051 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1052 if(!ost->video_resample)
1053 ost->video_resample = 1;
1054 }
1055
1056 #if !CONFIG_AVFILTER
1057 if (ost->video_resample) {
1058 *out_picture = &ost->pict_tmp;
1059 if (resample_changed) {
1060 /* initialize a new scaler context */
1061 sws_freeContext(ost->img_resample_ctx);
1062 ost->img_resample_ctx = sws_getContext(
1063 ist->st->codec->width,
1064 ist->st->codec->height,
1065 ist->st->codec->pix_fmt,
1066 ost->st->codec->width,
1067 ost->st->codec->height,
1068 ost->st->codec->pix_fmt,
1069 ost->sws_flags, NULL, NULL, NULL);
1070 if (ost->img_resample_ctx == NULL) {
1071 fprintf(stderr, "Cannot get resampling context\n");
1072 exit_program(1);
1073 }
1074 }
1075 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1076 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1077 }
1078 #else
1079 if (resample_changed) {
1080 avfilter_graph_free(&ost->graph);
1081 if (configure_video_filters(ist, ost)) {
1082 fprintf(stderr, "Error reinitialising filters!\n");
1083 exit_program(1);
1084 }
1085 }
1086 #endif
1087 if (resample_changed) {
1088 ost->resample_width = dec->width;
1089 ost->resample_height = dec->height;
1090 ost->resample_pix_fmt = dec->pix_fmt;
1091 }
1092 }
1093
1094
1095 static void do_video_out(AVFormatContext *s,
1096 OutputStream *ost,
1097 InputStream *ist,
1098 AVFrame *in_picture,
1099 int *frame_size, float quality)
1100 {
1101 int nb_frames, i, ret, format_video_sync;
1102 AVFrame *final_picture;
1103 AVCodecContext *enc, *dec;
1104 double sync_ipts;
1105
1106 enc = ost->st->codec;
1107 dec = ist->st->codec;
1108
1109 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1110
1111 /* by default, we output a single frame */
1112 nb_frames = 1;
1113
1114 *frame_size = 0;
1115
1116 format_video_sync = video_sync_method;
1117 if (format_video_sync < 0)
1118 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1119
1120 if (format_video_sync) {
1121 double vdelta = sync_ipts - ost->sync_opts;
1122 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1123 if (vdelta < -1.1)
1124 nb_frames = 0;
1125 else if (format_video_sync == 2) {
1126 if(vdelta<=-0.6){
1127 nb_frames=0;
1128 }else if(vdelta>0.6)
1129 ost->sync_opts= lrintf(sync_ipts);
1130 }else if (vdelta > 1.1)
1131 nb_frames = lrintf(vdelta);
1132 //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);
1133 if (nb_frames == 0){
1134 ++nb_frames_drop;
1135 if (verbose>2)
1136 fprintf(stderr, "*** drop!\n");
1137 }else if (nb_frames > 1) {
1138 nb_frames_dup += nb_frames - 1;
1139 if (verbose>2)
1140 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1141 }
1142 }else
1143 ost->sync_opts= lrintf(sync_ipts);
1144
1145 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1146 if (nb_frames <= 0)
1147 return;
1148
1149 do_video_resample(ost, ist, in_picture, &final_picture);
1150
1151 /* duplicates frame if needed */
1152 for(i=0;i<nb_frames;i++) {
1153 AVPacket pkt;
1154 av_init_packet(&pkt);
1155 pkt.stream_index= ost->index;
1156
1157 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1158 /* raw pictures are written as AVPicture structure to
1159 avoid any copies. We support temorarily the older
1160 method. */
1161 AVFrame* old_frame = enc->coded_frame;
1162 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1163 pkt.data= (uint8_t *)final_picture;
1164 pkt.size= sizeof(AVPicture);
1165 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1166 pkt.flags |= AV_PKT_FLAG_KEY;
1167
1168 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1169 enc->coded_frame = old_frame;
1170 } else {
1171 AVFrame big_picture;
1172
1173 big_picture= *final_picture;
1174 /* better than nothing: use input picture interlaced
1175 settings */
1176 big_picture.interlaced_frame = in_picture->interlaced_frame;
1177 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1178 if(top_field_first == -1)
1179 big_picture.top_field_first = in_picture->top_field_first;
1180 else
1181 big_picture.top_field_first = top_field_first;
1182 }
1183
1184 /* handles same_quant here. This is not correct because it may
1185 not be a global option */
1186 big_picture.quality = quality;
1187 if(!me_threshold)
1188 big_picture.pict_type = 0;
1189 // big_picture.pts = AV_NOPTS_VALUE;
1190 big_picture.pts= ost->sync_opts;
1191 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1192 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1193 if (ost->forced_kf_index < ost->forced_kf_count &&
1194 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1195 big_picture.pict_type = AV_PICTURE_TYPE_I;
1196 ost->forced_kf_index++;
1197 }
1198 ret = avcodec_encode_video(enc,
1199 bit_buffer, bit_buffer_size,
1200 &big_picture);
1201 if (ret < 0) {
1202 fprintf(stderr, "Video encoding failed\n");
1203 exit_program(1);
1204 }
1205
1206 if(ret>0){
1207 pkt.data= bit_buffer;
1208 pkt.size= ret;
1209 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1210 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1211 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1212 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1213 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1214
1215 if(enc->coded_frame->key_frame)
1216 pkt.flags |= AV_PKT_FLAG_KEY;
1217 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1218 *frame_size = ret;
1219 video_size += ret;
1220 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1221 // enc->frame_number-1, ret, enc->pict_type);
1222 /* if two pass, output log */
1223 if (ost->logfile && enc->stats_out) {
1224 fprintf(ost->logfile, "%s", enc->stats_out);
1225 }
1226 }
1227 }
1228 ost->sync_opts++;
1229 ost->frame_number++;
1230 }
1231 }
1232
1233 static double psnr(double d){
1234 return -10.0*log(d)/log(10.0);
1235 }
1236
1237 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1238 int frame_size)
1239 {
1240 AVCodecContext *enc;
1241 int frame_number;
1242 double ti1, bitrate, avg_bitrate;
1243
1244 /* this is executed just the first time do_video_stats is called */
1245 if (!vstats_file) {
1246 vstats_file = fopen(vstats_filename, "w");
1247 if (!vstats_file) {
1248 perror("fopen");
1249 exit_program(1);
1250 }
1251 }
1252
1253 enc = ost->st->codec;
1254 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1255 frame_number = ost->frame_number;
1256 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1257 if (enc->flags&CODEC_FLAG_PSNR)
1258 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1259
1260 fprintf(vstats_file,"f_size= %6d ", frame_size);
1261 /* compute pts value */
1262 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1263 if (ti1 < 0.01)
1264 ti1 = 0.01;
1265
1266 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1267 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1268 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1269 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1270 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1271 }
1272 }
1273
1274 static void print_report(OutputFile *output_files,
1275 OutputStream *ost_table, int nb_ostreams,
1276 int is_last_report)
1277 {
1278 char buf[1024];
1279 OutputStream *ost;
1280 AVFormatContext *oc;
1281 int64_t total_size;
1282 AVCodecContext *enc;
1283 int frame_number, vid, i;
1284 double bitrate, ti1, pts;
1285 static int64_t last_time = -1;
1286 static int qp_histogram[52];
1287
1288 if (!is_last_report) {
1289 int64_t cur_time;
1290 /* display the report every 0.5 seconds */
1291 cur_time = av_gettime();
1292 if (last_time == -1) {
1293 last_time = cur_time;
1294 return;
1295 }
1296 if ((cur_time - last_time) < 500000)
1297 return;
1298 last_time = cur_time;
1299 }
1300
1301
1302 oc = output_files[0].ctx;
1303
1304 total_size = avio_size(oc->pb);
1305 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1306 total_size= avio_tell(oc->pb);
1307
1308 buf[0] = '\0';
1309 ti1 = 1e10;
1310 vid = 0;
1311 for(i=0;i<nb_ostreams;i++) {
1312 float q = -1;
1313 ost = &ost_table[i];
1314 enc = ost->st->codec;
1315 if (!ost->st->stream_copy && enc->coded_frame)
1316 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1317 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1318 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1319 }
1320 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1321 float t = (av_gettime()-timer_start) / 1000000.0;
1322
1323 frame_number = ost->frame_number;
1324 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1325 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1326 if(is_last_report)
1327 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1328 if(qp_hist){
1329 int j;
1330 int qp = lrintf(q);
1331 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1332 qp_histogram[qp]++;
1333 for(j=0; j<32; j++)
1334 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1335 }
1336 if (enc->flags&CODEC_FLAG_PSNR){
1337 int j;
1338 double error, error_sum=0;
1339 double scale, scale_sum=0;
1340 char type[3]= {'Y','U','V'};
1341 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1342 for(j=0; j<3; j++){
1343 if(is_last_report){
1344 error= enc->error[j];
1345 scale= enc->width*enc->height*255.0*255.0*frame_number;
1346 }else{
1347 error= enc->coded_frame->error[j];
1348 scale= enc->width*enc->height*255.0*255.0;
1349 }
1350 if(j) scale/=4;
1351 error_sum += error;
1352 scale_sum += scale;
1353 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1354 }
1355 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1356 }
1357 vid = 1;
1358 }
1359 /* compute min output value */
1360 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1361 if ((pts < ti1) && (pts > 0))
1362 ti1 = pts;
1363 }
1364 if (ti1 < 0.01)
1365 ti1 = 0.01;
1366
1367 if (verbose > 0 || is_last_report) {
1368 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1369
1370 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1371 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1372 (double)total_size / 1024, ti1, bitrate);
1373
1374 if (nb_frames_dup || nb_frames_drop)
1375 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1376 nb_frames_dup, nb_frames_drop);
1377
1378 if (verbose >= 0)
1379 fprintf(stderr, "%s \r", buf);
1380
1381 fflush(stderr);
1382 }
1383
1384 if (is_last_report && verbose >= 0){
1385 int64_t raw= audio_size + video_size + extra_size;
1386 fprintf(stderr, "\n");
1387 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1388 video_size/1024.0,
1389 audio_size/1024.0,
1390 extra_size/1024.0,
1391 100.0*(total_size - raw)/raw
1392 );
1393 }
1394 }
1395
1396 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1397 {
1398 int fill_char = 0x00;
1399 if (sample_fmt == AV_SAMPLE_FMT_U8)
1400 fill_char = 0x80;
1401 memset(buf, fill_char, size);
1402 }
1403
1404 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1405 static int output_packet(InputStream *ist, int ist_index,
1406 OutputStream *ost_table, int nb_ostreams,
1407 const AVPacket *pkt)
1408 {
1409 AVFormatContext *os;
1410 OutputStream *ost;
1411 int ret, i;
1412 int got_output;
1413 AVFrame picture;
1414 void *buffer_to_free = NULL;
1415 static unsigned int samples_size= 0;
1416 AVSubtitle subtitle, *subtitle_to_free;
1417 int64_t pkt_pts = AV_NOPTS_VALUE;
1418 #if CONFIG_AVFILTER
1419 int frame_available;
1420 #endif
1421 float quality;
1422
1423 AVPacket avpkt;
1424 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1425
1426 if(ist->next_pts == AV_NOPTS_VALUE)
1427 ist->next_pts= ist->pts;
1428
1429 if (pkt == NULL) {
1430 /* EOF handling */
1431 av_init_packet(&avpkt);
1432 avpkt.data = NULL;
1433 avpkt.size = 0;
1434 goto handle_eof;
1435 } else {
1436 avpkt = *pkt;
1437 }
1438
1439 if(pkt->dts != AV_NOPTS_VALUE)
1440 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1441 if(pkt->pts != AV_NOPTS_VALUE)
1442 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1443
1444 //while we have more to decode or while the decoder did output something on EOF
1445 while (avpkt.size > 0 || (!pkt && got_output)) {
1446 uint8_t *data_buf, *decoded_data_buf;
1447 int data_size, decoded_data_size;
1448 handle_eof:
1449 ist->pts= ist->next_pts;
1450
1451 if(avpkt.size && avpkt.size != pkt->size &&
1452 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1453 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1454 ist->showed_multi_packet_warning=1;
1455 }
1456
1457 /* decode the packet if needed */
1458 decoded_data_buf = NULL; /* fail safe */
1459 decoded_data_size= 0;
1460 data_buf = avpkt.data;
1461 data_size = avpkt.size;
1462 subtitle_to_free = NULL;
1463 if (ist->decoding_needed) {
1464 switch(ist->st->codec->codec_type) {
1465 case AVMEDIA_TYPE_AUDIO:{
1466 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1467 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1468 av_free(samples);
1469 samples= av_malloc(samples_size);
1470 }
1471 decoded_data_size= samples_size;
1472 /* XXX: could avoid copy if PCM 16 bits with same
1473 endianness as CPU */
1474 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1475 &avpkt);
1476 if (ret < 0)
1477 return ret;
1478 avpkt.data += ret;
1479 avpkt.size -= ret;
1480 data_size = ret;
1481 got_output = decoded_data_size > 0;
1482 /* Some bug in mpeg audio decoder gives */
1483 /* decoded_data_size < 0, it seems they are overflows */
1484 if (!got_output) {
1485 /* no audio frame */
1486 continue;
1487 }
1488 decoded_data_buf = (uint8_t *)samples;
1489 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1490 (ist->st->codec->sample_rate * ist->st->codec->channels);
1491 break;}
1492 case AVMEDIA_TYPE_VIDEO:
1493 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1494 /* XXX: allocate picture correctly */
1495 avcodec_get_frame_defaults(&picture);
1496 avpkt.pts = pkt_pts;
1497 avpkt.dts = ist->pts;
1498 pkt_pts = AV_NOPTS_VALUE;
1499
1500 ret = avcodec_decode_video2(ist->st->codec,
1501 &picture, &got_output, &avpkt);
1502 quality = same_quant ? picture.quality : 0;
1503 if (ret < 0)
1504 return ret;
1505 if (!got_output) {
1506 /* no picture yet */
1507 goto discard_packet;
1508 }
1509 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1510 if (ist->st->codec->time_base.num != 0) {
1511 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1512 ist->next_pts += ((int64_t)AV_TIME_BASE *
1513 ist->st->codec->time_base.num * ticks) /
1514 ist->st->codec->time_base.den;
1515 }
1516 avpkt.size = 0;
1517 buffer_to_free = NULL;
1518 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1519 break;
1520 case AVMEDIA_TYPE_SUBTITLE:
1521 ret = avcodec_decode_subtitle2(ist->st->codec,
1522 &subtitle, &got_output, &avpkt);
1523 if (ret < 0)
1524 return ret;
1525 if (!got_output) {
1526 goto discard_packet;
1527 }
1528 subtitle_to_free = &subtitle;
1529 avpkt.size = 0;
1530 break;
1531 default:
1532 return -1;
1533 }
1534 } else {
1535 switch(ist->st->codec->codec_type) {
1536 case AVMEDIA_TYPE_AUDIO:
1537 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1538 ist->st->codec->sample_rate;
1539 break;
1540 case AVMEDIA_TYPE_VIDEO:
1541 if (ist->st->codec->time_base.num != 0) {
1542 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1543 ist->next_pts += ((int64_t)AV_TIME_BASE *
1544 ist->st->codec->time_base.num * ticks) /
1545 ist->st->codec->time_base.den;
1546 }
1547 break;
1548 }
1549 ret = avpkt.size;
1550 avpkt.size = 0;
1551 }
1552
1553 // preprocess audio (volume)
1554 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1555 if (audio_volume != 256) {
1556 short *volp;
1557 volp = samples;
1558 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1559 int v = ((*volp) * audio_volume + 128) >> 8;
1560 if (v < -32768) v = -32768;
1561 if (v > 32767) v = 32767;
1562 *volp++ = v;
1563 }
1564 }
1565 }
1566
1567 /* frame rate emulation */
1568 if (rate_emu) {
1569 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1570 int64_t now = av_gettime() - ist->start;
1571 if (pts > now)
1572 usleep(pts - now);
1573 }
1574 /* if output time reached then transcode raw format,
1575 encode packets and output them */
1576 for (i = 0; i < nb_ostreams; i++) {
1577 OutputFile *of = &output_files[ost_table[i].file_index];
1578 int frame_size;
1579
1580 ost = &ost_table[i];
1581 if (ost->source_index != ist_index)
1582 continue;
1583
1584 if (of->start_time && ist->pts < of->start_time)
1585 continue;
1586
1587 if (of->recording_time != INT64_MAX &&
1588 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1589 (AVRational){1, 1000000}) >= 0) {
1590 ost->is_past_recording_time = 1;
1591 continue;
1592 }
1593
1594 #if CONFIG_AVFILTER
1595 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1596 ost->input_video_filter) {
1597 AVRational sar;
1598 if (ist->st->sample_aspect_ratio.num)
1599 sar = ist->st->sample_aspect_ratio;
1600 else
1601 sar = ist->st->codec->sample_aspect_ratio;
1602 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, ist->pts, sar);
1603 }
1604 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1605 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1606 while (frame_available) {
1607 AVRational ist_pts_tb;
1608 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1609 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1610 if (ost->picref)
1611 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1612 #endif
1613 os = output_files[ost->file_index].ctx;
1614
1615 /* set the input output pts pairs */
1616 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1617
1618 if (ost->encoding_needed) {
1619 av_assert0(ist->decoding_needed);
1620 switch(ost->st->codec->codec_type) {
1621 case AVMEDIA_TYPE_AUDIO:
1622 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1623 break;
1624 case AVMEDIA_TYPE_VIDEO:
1625 #if CONFIG_AVFILTER
1626 if (ost->picref->video && !ost->frame_aspect_ratio)
1627 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1628 #endif
1629 do_video_out(os, ost, ist, &picture, &frame_size,
1630 same_quant ? quality : ost->st->codec->global_quality);
1631 if (vstats_filename && frame_size)
1632 do_video_stats(os, ost, frame_size);
1633 break;
1634 case AVMEDIA_TYPE_SUBTITLE:
1635 do_subtitle_out(os, ost, ist, &subtitle,
1636 pkt->pts);
1637 break;
1638 default:
1639 abort();
1640 }
1641 } else {
1642 AVFrame avframe; //FIXME/XXX remove this
1643 AVPacket opkt;
1644 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1645
1646 av_init_packet(&opkt);
1647
1648 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1649 #if !CONFIG_AVFILTER
1650 continue;
1651 #else
1652 goto cont;
1653 #endif
1654
1655 /* no reencoding needed : output the packet directly */
1656 /* force the input stream PTS */
1657
1658 avcodec_get_frame_defaults(&avframe);
1659 ost->st->codec->coded_frame= &avframe;
1660 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1661
1662 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1663 audio_size += data_size;
1664 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1665 video_size += data_size;
1666 ost->sync_opts++;
1667 }
1668
1669 opkt.stream_index= ost->index;
1670 if(pkt->pts != AV_NOPTS_VALUE)
1671 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1672 else
1673 opkt.pts= AV_NOPTS_VALUE;
1674
1675 if (pkt->dts == AV_NOPTS_VALUE)
1676 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1677 else
1678 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1679 opkt.dts -= ost_tb_start_time;
1680
1681 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1682 opkt.flags= pkt->flags;
1683
1684 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1685 if( ost->st->codec->codec_id != CODEC_ID_H264
1686 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1687 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1688 ) {
1689 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1690 opkt.destruct= av_destruct_packet;
1691 } else {
1692 opkt.data = data_buf;
1693 opkt.size = data_size;
1694 }
1695
1696 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1697 ost->st->codec->frame_number++;
1698 ost->frame_number++;
1699 av_free_packet(&opkt);
1700 }
1701 #if CONFIG_AVFILTER
1702 cont:
1703 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1704 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1705 if (ost->picref)
1706 avfilter_unref_buffer(ost->picref);
1707 }
1708 #endif
1709 }
1710
1711 av_free(buffer_to_free);
1712 /* XXX: allocate the subtitles in the codec ? */
1713 if (subtitle_to_free) {
1714 avsubtitle_free(subtitle_to_free);
1715 subtitle_to_free = NULL;
1716 }
1717 }
1718 discard_packet:
1719 if (pkt == NULL) {
1720 /* EOF handling */
1721
1722 for(i=0;i<nb_ostreams;i++) {
1723 ost = &ost_table[i];
1724 if (ost->source_index == ist_index) {
1725 AVCodecContext *enc= ost->st->codec;
1726 os = output_files[ost->file_index].ctx;
1727
1728 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1729 continue;
1730 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1731 continue;
1732
1733 if (ost->encoding_needed) {
1734 for(;;) {
1735 AVPacket pkt;
1736 int fifo_bytes;
1737 av_init_packet(&pkt);
1738 pkt.stream_index= ost->index;
1739
1740 switch(ost->st->codec->codec_type) {
1741 case AVMEDIA_TYPE_AUDIO:
1742 fifo_bytes = av_fifo_size(ost->fifo);
1743 ret = 0;
1744 /* encode any samples remaining in fifo */
1745 if (fifo_bytes > 0) {
1746 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1747 int fs_tmp = enc->frame_size;
1748
1749 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1750 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1751 enc->frame_size = fifo_bytes / (osize * enc->channels);
1752 } else { /* pad */
1753 int frame_bytes = enc->frame_size*osize*enc->channels;
1754 if (allocated_audio_buf_size < frame_bytes)
1755 exit_program(1);
1756 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1757 }
1758
1759 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1760 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1761 ost->st->time_base.num, enc->sample_rate);
1762 enc->frame_size = fs_tmp;
1763 }
1764 if(ret <= 0) {
1765 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1766 }
1767 if (ret < 0) {
1768 fprintf(stderr, "Audio encoding failed\n");
1769 exit_program(1);
1770 }
1771 audio_size += ret;
1772 pkt.flags |= AV_PKT_FLAG_KEY;
1773 break;
1774 case AVMEDIA_TYPE_VIDEO:
1775 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1776 if (ret < 0) {
1777 fprintf(stderr, "Video encoding failed\n");
1778 exit_program(1);
1779 }
1780 video_size += ret;
1781 if(enc->coded_frame && enc->coded_frame->key_frame)
1782 pkt.flags |= AV_PKT_FLAG_KEY;
1783 if (ost->logfile && enc->stats_out) {
1784 fprintf(ost->logfile, "%s", enc->stats_out);
1785 }
1786 break;
1787 default:
1788 ret=-1;
1789 }
1790
1791 if(ret<=0)
1792 break;
1793 pkt.data= bit_buffer;
1794 pkt.size= ret;
1795 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1796 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1797 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1798 }
1799 }
1800 }
1801 }
1802 }
1803
1804 return 0;
1805 }
1806
1807 static void print_sdp(OutputFile *output_files, int n)
1808 {
1809 char sdp[2048];
1810 int i;
1811 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1812
1813 if (!avc)
1814 exit_program(1);
1815 for (i = 0; i < n; i++)
1816 avc[i] = output_files[i].ctx;
1817
1818 av_sdp_create(avc, n, sdp, sizeof(sdp));
1819 printf("SDP:\n%s\n", sdp);
1820 fflush(stdout);
1821 av_freep(&avc);
1822 }
1823
1824 /*
1825 * The following code is the main loop of the file converter
1826 */
1827 static int transcode(OutputFile *output_files,
1828 int nb_output_files,
1829 InputFile *input_files,
1830 int nb_input_files)
1831 {
1832 int ret = 0, i, j;
1833 AVFormatContext *is, *os;
1834 AVCodecContext *codec, *icodec;
1835 OutputStream *ost;
1836 InputStream *ist;
1837 char error[1024];
1838 int want_sdp = 1;
1839 uint8_t *no_packet;
1840 int no_packet_count=0;
1841
1842 if (!(no_packet = av_mallocz(nb_input_files)))
1843 exit_program(1);
1844
1845 if (rate_emu)
1846 for (i = 0; i < nb_input_streams; i++)
1847 input_streams[i].start = av_gettime();
1848
1849 /* output stream init */
1850 for(i=0;i<nb_output_files;i++) {
1851 os = output_files[i].ctx;
1852 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1853 av_dump_format(os, i, os->filename, 1);
1854 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1855 ret = AVERROR(EINVAL);
1856 goto fail;
1857 }
1858 }
1859
1860 /* for each output stream, we compute the right encoding parameters */
1861 for (i = 0; i < nb_output_streams; i++) {
1862 ost = &output_streams[i];
1863 os = output_files[ost->file_index].ctx;
1864 ist = &input_streams[ost->source_index];
1865
1866 codec = ost->st->codec;
1867 icodec = ist->st->codec;
1868
1869 ost->st->disposition = ist->st->disposition;
1870 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1871 codec->chroma_sample_location = icodec->chroma_sample_location;
1872
1873 if (ost->st->stream_copy) {
1874 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1875
1876 if (extra_size > INT_MAX)
1877 goto fail;
1878
1879 /* if stream_copy is selected, no need to decode or encode */
1880 codec->codec_id = icodec->codec_id;
1881 codec->codec_type = icodec->codec_type;
1882
1883 if(!codec->codec_tag){
1884 if( !os->oformat->codec_tag
1885 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1886 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1887 codec->codec_tag = icodec->codec_tag;
1888 }
1889
1890 codec->bit_rate = icodec->bit_rate;
1891 codec->rc_max_rate = icodec->rc_max_rate;
1892 codec->rc_buffer_size = icodec->rc_buffer_size;
1893 codec->extradata= av_mallocz(extra_size);
1894 if (!codec->extradata)
1895 goto fail;
1896 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1897 codec->extradata_size= icodec->extradata_size;
1898 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){
1899 codec->time_base = icodec->time_base;
1900 codec->time_base.num *= icodec->ticks_per_frame;
1901 av_reduce(&codec->time_base.num, &codec->time_base.den,
1902 codec->time_base.num, codec->time_base.den, INT_MAX);
1903 }else
1904 codec->time_base = ist->st->time_base;
1905 switch(codec->codec_type) {
1906 case AVMEDIA_TYPE_AUDIO:
1907 if(audio_volume != 256) {
1908 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1909 exit_program(1);
1910 }
1911 codec->channel_layout = icodec->channel_layout;
1912 codec->sample_rate = icodec->sample_rate;
1913 codec->channels = icodec->channels;
1914 codec->frame_size = icodec->frame_size;
1915 codec->audio_service_type = icodec->audio_service_type;
1916 codec->block_align= icodec->block_align;
1917 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1918 codec->block_align= 0;
1919 if(codec->codec_id == CODEC_ID_AC3)
1920 codec->block_align= 0;
1921 break;
1922 case AVMEDIA_TYPE_VIDEO:
1923 codec->pix_fmt = icodec->pix_fmt;
1924 codec->width = icodec->width;
1925 codec->height = icodec->height;
1926 codec->has_b_frames = icodec->has_b_frames;
1927 if (!codec->sample_aspect_ratio.num) {
1928 codec->sample_aspect_ratio =
1929 ost->st->sample_aspect_ratio =
1930 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1931 ist->st->codec->sample_aspect_ratio.num ?
1932 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1933 }
1934 break;
1935 case AVMEDIA_TYPE_SUBTITLE:
1936 codec->width = icodec->width;
1937 codec->height = icodec->height;
1938 break;
1939 case AVMEDIA_TYPE_DATA:
1940 break;
1941 default:
1942 abort();
1943 }
1944 } else {
1945 if (!ost->enc)
1946 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
1947 switch(codec->codec_type) {
1948 case AVMEDIA_TYPE_AUDIO:
1949 ost->fifo= av_fifo_alloc(1024);
1950 if(!ost->fifo)
1951 goto fail;
1952 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
1953 if (!codec->sample_rate) {
1954 codec->sample_rate = icodec->sample_rate;
1955 if (icodec->lowres)
1956 codec->sample_rate >>= icodec->lowres;
1957 }
1958 choose_sample_rate(ost->st, ost->enc);
1959 codec->time_base = (AVRational){1, codec->sample_rate};
1960 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
1961 codec->sample_fmt = icodec->sample_fmt;
1962 choose_sample_fmt(ost->st, ost->enc);
1963 if (!codec->channels)
1964 codec->channels = icodec->channels;
1965 codec->channel_layout = icodec->channel_layout;
1966 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
1967 codec->channel_layout = 0;
1968 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1969 icodec->request_channels = codec->channels;
1970 ist->decoding_needed = 1;
1971 ost->encoding_needed = 1;
1972 ost->resample_sample_fmt = icodec->sample_fmt;
1973 ost->resample_sample_rate = icodec->sample_rate;
1974 ost->resample_channels = icodec->channels;
1975 break;
1976 case AVMEDIA_TYPE_VIDEO:
1977 if (codec->pix_fmt == PIX_FMT_NONE)
1978 codec->pix_fmt = icodec->pix_fmt;
1979 choose_pixel_fmt(ost->st, ost->enc);
1980
1981 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
1982 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
1983 exit_program(1);
1984 }
1985
1986 if (!codec->width || !codec->height) {
1987 codec->width = icodec->width;
1988 codec->height = icodec->height;
1989 }
1990
1991 ost->video_resample = codec->width != icodec->width ||
1992 codec->height != icodec->height ||
1993 codec->pix_fmt != icodec->pix_fmt;
1994 if (ost->video_resample) {
1995 #if !CONFIG_AVFILTER
1996 avcodec_get_frame_defaults(&ost->pict_tmp);
1997 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1998 codec->width, codec->height)) {
1999 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2000 exit_program(1);
2001 }
2002 ost->img_resample_ctx = sws_getContext(
2003 icodec->width,
2004 icodec->height,
2005 icodec->pix_fmt,
2006 codec->width,
2007 codec->height,
2008 codec->pix_fmt,
2009 ost->sws_flags, NULL, NULL, NULL);
2010 if (ost->img_resample_ctx == NULL) {
2011 fprintf(stderr, "Cannot get resampling context\n");
2012 exit_program(1);
2013 }
2014 #endif
2015 codec->bits_per_raw_sample= 0;
2016 }
2017
2018 ost->resample_height = icodec->height;
2019 ost->resample_width = icodec->width;
2020 ost->resample_pix_fmt= icodec->pix_fmt;
2021 ost->encoding_needed = 1;
2022 ist->decoding_needed = 1;
2023
2024 if (!ost->frame_rate.num)
2025 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2026 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2027 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2028 ost->frame_rate = ost->enc->supported_framerates[idx];
2029 }
2030 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2031
2032 #if CONFIG_AVFILTER
2033 if (configure_video_filters(ist, ost)) {
2034 fprintf(stderr, "Error opening filters!\n");
2035 exit(1);
2036 }
2037 #endif
2038 break;
2039 case AVMEDIA_TYPE_SUBTITLE:
2040 ost->encoding_needed = 1;
2041 ist->decoding_needed = 1;
2042 break;
2043 default:
2044 abort();
2045 break;
2046 }
2047 /* two pass mode */
2048 if (ost->encoding_needed &&
2049 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2050 char logfilename[1024];
2051 FILE *f;
2052
2053 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2054 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2055 i);
2056 if (codec->flags & CODEC_FLAG_PASS1) {
2057 f = fopen(logfilename, "wb");
2058 if (!f) {
2059 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2060 exit_program(1);
2061 }
2062 ost->logfile = f;
2063 } else {
2064 char *logbuffer;
2065 size_t logbuffer_size;
2066 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2067 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2068 exit_program(1);
2069 }
2070 codec->stats_in = logbuffer;
2071 }
2072 }
2073 }
2074 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2075 int size= codec->width * codec->height;
2076 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2077 }
2078 }
2079
2080 if (!bit_buffer)
2081 bit_buffer = av_malloc(bit_buffer_size);
2082 if (!bit_buffer) {
2083 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2084 bit_buffer_size);
2085 ret = AVERROR(ENOMEM);
2086 goto fail;
2087 }
2088
2089 /* open each encoder */
2090 for (i = 0; i < nb_output_streams; i++) {
2091 ost = &output_streams[i];
2092 if (ost->encoding_needed) {
2093 AVCodec *codec = ost->enc;
2094 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2095 if (!codec) {
2096 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2097 ost->st->codec->codec_id, ost->file_index, ost->index);
2098 ret = AVERROR(EINVAL);
2099 goto dump_format;
2100 }
2101 if (dec->subtitle_header) {
2102 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2103 if (!ost->st->codec->subtitle_header) {
2104 ret = AVERROR(ENOMEM);
2105 goto dump_format;
2106 }
2107 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2108 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2109 }
2110 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2111 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2112 ost->file_index, ost->index);
2113 ret = AVERROR(EINVAL);
2114 goto dump_format;
2115 }
2116 assert_codec_experimental(ost->st->codec, 1);
2117 assert_avoptions(ost->opts);
2118 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2119 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2120 "It takes bits/s as argument, not kbits/s\n");
2121 extra_size += ost->st->codec->extradata_size;
2122 }
2123 }
2124
2125 /* open each decoder */
2126 for (i = 0; i < nb_input_streams; i++) {
2127 ist = &input_streams[i];
2128 if (ist->decoding_needed) {
2129 AVCodec *codec = ist->dec;
2130 if (!codec)
2131 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2132 if (!codec) {
2133 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2134 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2135 ret = AVERROR(EINVAL);
2136 goto dump_format;
2137 }
2138
2139 /* update requested sample format for the decoder based on the
2140 corresponding encoder sample format */
2141 for (j = 0; j < nb_output_streams; j++) {
2142 ost = &output_streams[j];
2143 if (ost->source_index == i) {
2144 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2145 break;
2146 }
2147 }
2148
2149 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2150 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2151 ist->file_index, ist->st->index);
2152 ret = AVERROR(EINVAL);
2153 goto dump_format;
2154 }
2155 assert_codec_experimental(ist->st->codec, 0);
2156 assert_avoptions(ost->opts);
2157 }
2158 }
2159
2160 /* init pts */
2161 for (i = 0; i < nb_input_streams; i++) {
2162 AVStream *st;
2163 ist = &input_streams[i];
2164 st= ist->st;
2165 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2166 ist->next_pts = AV_NOPTS_VALUE;
2167 init_pts_correction(&ist->pts_ctx);
2168 ist->is_start = 1;
2169 }
2170
2171 /* open files and write file headers */
2172 for (i = 0; i < nb_output_files; i++) {
2173 os = output_files[i].ctx;
2174 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2175 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2176 ret = AVERROR(EINVAL);
2177 goto dump_format;
2178 }
2179 assert_avoptions(output_files[i].opts);
2180 if (strcmp(os->oformat->name, "rtp")) {
2181 want_sdp = 0;
2182 }
2183 }
2184
2185 dump_format:
2186 /* dump the file output parameters - cannot be done before in case
2187 of stream copy */
2188 for(i=0;i<nb_output_files;i++) {
2189 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2190 }
2191
2192 /* dump the stream mapping */
2193 if (verbose >= 0) {
2194 fprintf(stderr, "Stream mapping:\n");
2195 for (i = 0; i < nb_output_streams;i ++) {
2196 ost = &output_streams[i];
2197 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2198 input_streams[ost->source_index].file_index,
2199 input_streams[ost->source_index].st->index,
2200 ost->file_index,
2201 ost->index);
2202 if (ost->sync_ist != &input_streams[ost->source_index])
2203 fprintf(stderr, " [sync #%d.%d]",
2204 ost->sync_ist->file_index,
2205 ost->sync_ist->st->index);
2206 if (ost->st->stream_copy)
2207 fprintf(stderr, " (copy)");
2208 fprintf(stderr, "\n");
2209 }
2210 }
2211
2212 if (ret) {
2213 fprintf(stderr, "%s\n", error);
2214 goto fail;
2215 }
2216
2217 if (want_sdp) {
2218 print_sdp(output_files, nb_output_files);
2219 }
2220
2221 if (verbose >= 0)
2222 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2223 term_init();
2224
2225 timer_start = av_gettime();
2226
2227 for(; received_sigterm == 0;) {
2228 int file_index, ist_index;
2229 AVPacket pkt;
2230 int64_t ipts_min;
2231 double opts_min;
2232
2233 redo:
2234 ipts_min = INT64_MAX;
2235 opts_min= 1e100;
2236
2237 /* select the stream that we must read now by looking at the
2238 smallest output pts */
2239 file_index = -1;
2240 for (i = 0; i < nb_output_streams; i++) {
2241 int64_t ipts;
2242 double opts;
2243 ost = &output_streams[i];
2244 os = output_files[ost->file_index].ctx;
2245 ist = &input_streams[ost->source_index];
2246 if(ost->is_past_recording_time || no_packet[ist->file_index])
2247 continue;
2248 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2249 ipts = ist->pts;
2250 if (!input_files[ist->file_index].eof_reached){
2251 if(ipts < ipts_min) {
2252 ipts_min = ipts;
2253 if(input_sync ) file_index = ist->file_index;
2254 }
2255 if(opts < opts_min) {
2256 opts_min = opts;
2257 if(!input_sync) file_index = ist->file_index;
2258 }
2259 }
2260 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2261 file_index= -1;
2262 break;
2263 }
2264 }
2265 /* if none, if is finished */
2266 if (file_index < 0) {
2267 if(no_packet_count){
2268 no_packet_count=0;
2269 memset(no_packet, 0, nb_input_files);
2270 usleep(10000);
2271 continue;
2272 }
2273 break;
2274 }
2275
2276 /* finish if limit size exhausted */
2277 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0].ctx->pb))
2278 break;
2279
2280 /* read a frame from it and output it in the fifo */
2281 is = input_files[file_index].ctx;
2282 ret= av_read_frame(is, &pkt);
2283 if(ret == AVERROR(EAGAIN)){
2284 no_packet[file_index]=1;
2285 no_packet_count++;
2286 continue;
2287 }
2288 if (ret < 0) {
2289 input_files[file_index].eof_reached = 1;
2290 if (opt_shortest)
2291 break;
2292 else
2293 continue;
2294 }
2295
2296 no_packet_count=0;
2297 memset(no_packet, 0, nb_input_files);
2298
2299 if (do_pkt_dump) {
2300 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2301 is->streams[pkt.stream_index]);
2302 }
2303 /* the following test is needed in case new streams appear
2304 dynamically in stream : we ignore them */
2305 if (pkt.stream_index >= input_files[file_index].ctx->nb_streams)
2306 goto discard_packet;
2307 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2308 ist = &input_streams[ist_index];
2309 if (ist->discard)
2310 goto discard_packet;
2311
2312 if (pkt.dts != AV_NOPTS_VALUE)
2313 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2314 if (pkt.pts != AV_NOPTS_VALUE)
2315 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2316
2317 if (ist->ts_scale) {
2318 if(pkt.pts != AV_NOPTS_VALUE)
2319 pkt.pts *= ist->ts_scale;
2320 if(pkt.dts != AV_NOPTS_VALUE)
2321 pkt.dts *= ist->ts_scale;
2322 }
2323
2324 // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files[ist->file_index].ts_offset, ist->st->codec->codec_type);
2325 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2326 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2327 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2328 int64_t delta= pkt_dts - ist->next_pts;
2329 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2330 input_files[ist->file_index].ts_offset -= delta;
2331 if (verbose > 2)
2332 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2333 delta, input_files[ist->file_index].ts_offset);
2334 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2335 if(pkt.pts != AV_NOPTS_VALUE)
2336 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2337 }
2338 }
2339
2340 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2341 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2342
2343 if (verbose >= 0)
2344 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2345 ist->file_index, ist->st->index);
2346 if (exit_on_error)
2347 exit_program(1);
2348 av_free_packet(&pkt);
2349 goto redo;
2350 }
2351
2352 discard_packet:
2353 av_free_packet(&pkt);
2354
2355 /* dump report by using the output first video and audio streams */
2356 print_report(output_files, output_streams, nb_output_streams, 0);
2357 }
2358
2359 /* at the end of stream, we must flush the decoder buffers */
2360 for (i = 0; i < nb_input_streams; i++) {
2361 ist = &input_streams[i];
2362 if (ist->decoding_needed) {
2363 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2364 }
2365 }
2366
2367 term_exit();
2368
2369 /* write the trailer if needed and close file */
2370 for(i=0;i<nb_output_files;i++) {
2371 os = output_files[i].ctx;
2372 av_write_trailer(os);
2373 }
2374
2375 /* dump report by using the first video and audio streams */
2376 print_report(output_files, output_streams, nb_output_streams, 1);
2377
2378 /* close each encoder */
2379 for (i = 0; i < nb_output_streams; i++) {
2380 ost = &output_streams[i];
2381 if (ost->encoding_needed) {
2382 av_freep(&ost->st->codec->stats_in);
2383 avcodec_close(ost->st->codec);
2384 }
2385 #if CONFIG_AVFILTER
2386 avfilter_graph_free(&ost->graph);
2387 #endif
2388 }
2389
2390 /* close each decoder */
2391 for (i = 0; i < nb_input_streams; i++) {
2392 ist = &input_streams[i];
2393 if (ist->decoding_needed) {
2394 avcodec_close(ist->st->codec);
2395 }
2396 }
2397
2398 /* finished ! */
2399 ret = 0;
2400
2401 fail:
2402 av_freep(&bit_buffer);
2403 av_freep(&no_packet);
2404
2405 if (output_streams) {
2406 for (i = 0; i < nb_output_streams; i++) {
2407 ost = &output_streams[i];
2408 if (ost) {
2409 if (ost->st->stream_copy)
2410 av_freep(&ost->st->codec->extradata);
2411 if (ost->logfile) {
2412 fclose(ost->logfile);
2413 ost->logfile = NULL;
2414 }
2415 av_fifo_free(ost->fifo); /* works even if fifo is not
2416 initialized but set to zero */
2417 av_freep(&ost->st->codec->subtitle_header);
2418 av_free(ost->pict_tmp.data[0]);
2419 av_free(ost->forced_kf_pts);
2420 if (ost->video_resample)
2421 sws_freeContext(ost->img_resample_ctx);
2422 if (ost->resample)
2423 audio_resample_close(ost->resample);
2424 if (ost->reformat_ctx)
2425 av_audio_convert_free(ost->reformat_ctx);
2426 av_dict_free(&ost->opts);
2427 }
2428 }
2429 }
2430 return ret;
2431 }
2432
2433 static int opt_format(const char *opt, const char *arg)
2434 {
2435 last_asked_format = arg;
2436 return 0;
2437 }
2438
2439 static int opt_video_rc_override_string(const char *opt, const char *arg)
2440 {
2441 video_rc_override_string = arg;
2442 return 0;
2443 }
2444
2445 static int opt_me_threshold(const char *opt, const char *arg)
2446 {
2447 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2448 return 0;
2449 }
2450
2451 static int opt_verbose(const char *opt, const char *arg)
2452 {
2453 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2454 return 0;
2455 }
2456
2457 static int opt_frame_rate(const char *opt, const char *arg)
2458 {
2459 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2460 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2461 exit_program(1);
2462 }
2463 return 0;
2464 }
2465
2466 static int opt_frame_crop(const char *opt, const char *arg)
2467 {
2468 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2469 return AVERROR(EINVAL);
2470 }
2471
2472 static int opt_frame_size(const char *opt, const char *arg)
2473 {
2474 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2475 fprintf(stderr, "Incorrect frame size\n");
2476 return AVERROR(EINVAL);
2477 }
2478 return 0;
2479 }
2480
2481 static int opt_pad(const char *opt, const char *arg) {
2482 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2483 return -1;
2484 }
2485
2486 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2487 {
2488 if (strcmp(arg, "list")) {
2489 frame_pix_fmt = av_get_pix_fmt(arg);
2490 if (frame_pix_fmt == PIX_FMT_NONE) {
2491 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2492 return AVERROR(EINVAL);
2493 }
2494 } else {
2495 show_pix_fmts();
2496 exit_program(0);
2497 }
2498 return 0;
2499 }
2500
2501 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2502 {
2503 int x = 0, y = 0;
2504 double ar = 0;
2505 const char *p;
2506 char *end;
2507
2508 p = strchr(arg, ':');
2509 if (p) {
2510 x = strtol(arg, &end, 10);
2511 if (end == p)
2512 y = strtol(end+1, &end, 10);
2513 if (x > 0 && y > 0)
2514 ar = (double)x / (double)y;
2515 } else
2516 ar = strtod(arg, NULL);
2517
2518 if (!ar) {
2519 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2520 return AVERROR(EINVAL);
2521 }
2522 frame_aspect_ratio = ar;
2523 return 0;
2524 }
2525
2526 static int opt_metadata(const char *opt, const char *arg)
2527 {
2528 char *mid= strchr(arg, '=');
2529
2530 if(!mid){
2531 fprintf(stderr, "Missing =\n");
2532 exit_program(1);
2533 }
2534 *mid++= 0;
2535
2536 av_dict_set(&metadata, arg, mid, 0);
2537
2538 return 0;
2539 }
2540
2541 static int opt_qscale(const char *opt, const char *arg)
2542 {
2543 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2544 if (video_qscale == 0) {
2545 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2546 return AVERROR(EINVAL);
2547 }
2548 return 0;
2549 }
2550
2551 static int opt_top_field_first(const char *opt, const char *arg)
2552 {
2553 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2554 return 0;
2555 }
2556
2557 static int opt_thread_count(const char *opt, const char *arg)
2558 {
2559 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2560 #if !HAVE_THREADS
2561 if (verbose >= 0)
2562 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2563 #endif
2564 return 0;
2565 }
2566
2567 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2568 {
2569 if (strcmp(arg, "list")) {
2570 audio_sample_fmt = av_get_sample_fmt(arg);
2571 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2572 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2573 return AVERROR(EINVAL);
2574 }
2575 } else {
2576 int i;
2577 char fmt_str[128];
2578 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2579 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2580 exit_program(0);
2581 }
2582 return 0;
2583 }
2584
2585 static int opt_audio_rate(const char *opt, const char *arg)
2586 {
2587 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2588 return 0;
2589 }
2590
2591 static int opt_audio_channels(const char *opt, const char *arg)
2592 {
2593 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2594 return 0;
2595 }
2596
2597 static int opt_codec(const char *opt, const char *arg)
2598 {
2599 return av_dict_set(&codec_names, opt, arg, 0);
2600 }
2601
2602 static int opt_audio_codec(const char *opt, const char *arg)
2603 {
2604 return opt_codec("codec:a", arg);
2605 }
2606
2607 static int opt_video_codec(const char *opt, const char *arg)
2608 {
2609 return opt_codec("codec:v", arg);
2610 }
2611
2612 static int opt_subtitle_codec(const char *opt, const char *arg)
2613 {
2614 return opt_codec("codec:s", arg);
2615 }
2616
2617 static int opt_data_codec(const char *opt, const char *arg)
2618 {
2619 return opt_codec("codec:d", arg);
2620 }
2621
2622 static int opt_codec_tag(const char *opt, const char *arg)
2623 {
2624 char *tail;
2625 uint32_t *codec_tag;
2626
2627 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2628 !strcmp(opt, "vtag") ? &video_codec_tag :
2629 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2630 if (!codec_tag)
2631 return -1;
2632
2633 *codec_tag = strtol(arg, &tail, 0);
2634 if (!tail || *tail)
2635 *codec_tag = AV_RL32(arg);
2636
2637 return 0;
2638 }
2639
2640 static int opt_map(const char *opt, const char *arg)
2641 {
2642 StreamMap *m = NULL;
2643 int i, negative = 0, file_idx;
2644 int sync_file_idx = -1, sync_stream_idx;
2645 char *p, *sync;
2646 char *map;
2647
2648 if (*arg == '-') {
2649 negative = 1;
2650 arg++;
2651 }
2652 map = av_strdup(arg);
2653
2654 /* parse sync stream first, just pick first matching stream */
2655 if (sync = strchr(map, ',')) {
2656 *sync = 0;
2657 sync_file_idx = strtol(sync + 1, &sync, 0);
2658 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2659 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2660 exit_program(1);
2661 }
2662 if (*sync)
2663 sync++;
2664 for (i = 0; i < input_files[sync_file_idx].ctx->nb_streams; i++)
2665 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2666 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2667 sync_stream_idx = i;
2668 break;
2669 }
2670 if (i == input_files[sync_file_idx].ctx->nb_streams) {
2671 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2672 "match any streams.\n", arg);
2673 exit_program(1);
2674 }
2675 }
2676
2677
2678 file_idx = strtol(map, &p, 0);
2679 if (file_idx >= nb_input_files || file_idx < 0) {
2680 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2681 exit_program(1);
2682 }
2683 if (negative)
2684 /* disable some already defined maps */
2685 for (i = 0; i < nb_stream_maps; i++) {
2686 m = &stream_maps[i];
2687 if (check_stream_specifier(input_files[m->file_index].ctx,
2688 input_files[m->file_index].ctx->streams[m->stream_index],
2689 *p == ':' ? p + 1 : p) > 0)
2690 m->disabled = 1;
2691 }
2692 else
2693 for (i = 0; i < input_files[file_idx].ctx->nb_streams; i++) {
2694 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2695 *p == ':' ? p + 1 : p) <= 0)
2696 continue;
2697 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2698 m = &stream_maps[nb_stream_maps - 1];
2699
2700 m->file_index = file_idx;
2701 m->stream_index = i;
2702
2703 if (sync_file_idx >= 0) {
2704 m->sync_file_index = sync_file_idx;
2705 m->sync_stream_index = sync_stream_idx;
2706 } else {
2707 m->sync_file_index = file_idx;
2708 m->sync_stream_index = i;
2709 }
2710 }
2711
2712 if (!m) {
2713 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2714 exit_program(1);
2715 }
2716
2717 av_freep(&map);
2718 return 0;
2719 }
2720
2721 static void parse_meta_type(char *arg, char *type, int *index)
2722 {
2723 if (*arg == ':') {
2724 *type = *(++arg);
2725 switch (*arg) {
2726 case 'g':
2727 break;
2728 case 's':
2729 case 'c':
2730 case 'p':
2731 if (*(++arg) == ':')
2732 *index = strtol(++arg, NULL, 0);
2733 break;
2734 default:
2735 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2736 exit_program(1);
2737 }
2738 } else
2739 *type = 'g';
2740 }
2741
2742 static int opt_map_metadata(const char *opt, const char *arg)
2743 {
2744 MetadataMap *m, *m1;
2745 char *p;
2746
2747 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2748 &nb_meta_data_maps, nb_meta_data_maps + 1);
2749
2750 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2751 m->file = strtol(arg, &p, 0);
2752 parse_meta_type(p, &m->type, &m->index);
2753
2754 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2755 if (p = strchr(opt, ':'))
2756 parse_meta_type(p, &m1->type, &m1->index);
2757 else
2758 m1->type = 'g';
2759
2760 if (m->type == 'g' || m1->type == 'g')
2761 metadata_global_autocopy = 0;
2762 if (m->type == 's' || m1->type == 's')
2763 metadata_streams_autocopy = 0;
2764 if (m->type == 'c' || m1->type == 'c')
2765 metadata_chapters_autocopy = 0;
2766
2767 return 0;
2768 }
2769
2770 static int opt_input_ts_scale(const char *opt, const char *arg)
2771 {
2772 return av_dict_set(&ts_scale, opt, arg, 0);
2773 }
2774
2775 static int opt_recording_time(const char *opt, const char *arg)
2776 {
2777 recording_time = parse_time_or_die(opt, arg, 1);
2778 return 0;
2779 }
2780
2781 static int opt_start_time(const char *opt, const char *arg)
2782 {
2783 start_time = parse_time_or_die(opt, arg, 1);
2784 return 0;
2785 }
2786
2787 static int opt_input_ts_offset(const char *opt, const char *arg)
2788 {
2789 input_ts_offset = parse_time_or_die(opt, arg, 1);
2790 return 0;
2791 }
2792
2793 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2794 {
2795 const char *codec_string = encoder ? "encoder" : "decoder";
2796 AVCodec *codec;
2797
2798 if(!name)
2799 return CODEC_ID_NONE;
2800 codec = encoder ?
2801 avcodec_find_encoder_by_name(name) :
2802 avcodec_find_decoder_by_name(name);
2803 if(!codec) {
2804 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2805 exit_program(1);
2806 }
2807 if(codec->type != type) {
2808 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2809 exit_program(1);
2810 }
2811 return codec->id;
2812 }
2813
2814 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
2815 {
2816 AVDictionaryEntry *e = NULL;
2817 char *codec_name = NULL;
2818 int ret;
2819
2820 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
2821 char *p = strchr(e->key, ':');
2822
2823 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
2824 codec_name = e->value;
2825 else if (ret < 0)
2826 exit_program(1);
2827 }
2828
2829 if (!codec_name) {
2830 if (s->oformat) {
2831 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2832 return avcodec_find_encoder(st->codec->codec_id);
2833 }
2834 } else if (!strcmp(codec_name, "copy"))
2835 st->stream_copy = 1;
2836 else {
2837 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2838 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2839 avcodec_find_decoder_by_name(codec_name);
2840 }
2841
2842 return NULL;
2843 }
2844
2845 /**
2846 * Add all the streams from the given input file to the global
2847 * list of input streams.
2848 */
2849 static void add_input_streams(AVFormatContext *ic)
2850 {
2851 int i, rfps, rfps_base, ret;
2852
2853 for (i = 0; i < ic->nb_streams; i++) {
2854 AVStream *st = ic->streams[i];
2855 AVCodecContext *dec = st->codec;
2856 AVDictionaryEntry *e = NULL;
2857 InputStream *ist;
2858 char *scale = NULL;
2859
2860 dec->thread_count = thread_count;
2861
2862 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2863 ist = &input_streams[nb_input_streams - 1];
2864 ist->st = st;
2865 ist->file_index = nb_input_files;
2866 ist->discard = 1;
2867 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2868
2869 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
2870 char *p = strchr(e->key, ':');
2871
2872 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
2873 scale = e->value;
2874 else if (ret < 0)
2875 exit_program(1);
2876 }
2877 if (scale)
2878 ist->ts_scale = strtod(scale, NULL);
2879
2880 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
2881
2882 switch (dec->codec_type) {
2883 case AVMEDIA_TYPE_AUDIO:
2884 if(audio_disable)
2885 st->discard= AVDISCARD_ALL;
2886 break;
2887 case AVMEDIA_TYPE_VIDEO:
2888 rfps = ic->streams[i]->r_frame_rate.num;
2889 rfps_base = ic->streams[i]->r_frame_rate.den;
2890 if (dec->lowres) {
2891 dec->flags |= CODEC_FLAG_EMU_EDGE;
2892 dec->height >>= dec->lowres;
2893 dec->width >>= dec->lowres;
2894 }
2895 if(me_threshold)
2896 dec->debug |= FF_DEBUG_MV;
2897
2898 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2899
2900 if (verbose >= 0)
2901 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2902 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2903
2904 (float)rfps / rfps_base, rfps, rfps_base);
2905 }
2906
2907 if(video_disable)
2908 st->discard= AVDISCARD_ALL;
2909 else if(video_discard)
2910 st->discard= video_discard;
2911 break;
2912 case AVMEDIA_TYPE_DATA:
2913 break;
2914 case AVMEDIA_TYPE_SUBTITLE:
2915 if(subtitle_disable)
2916 st->discard = AVDISCARD_ALL;
2917 break;
2918 case AVMEDIA_TYPE_ATTACHMENT:
2919 case AVMEDIA_TYPE_UNKNOWN:
2920 break;
2921 default:
2922 abort();
2923 }
2924 }
2925 }
2926
2927 static int opt_input_file(const char *opt, const char *filename)
2928 {
2929 AVFormatContext *ic;
2930 AVInputFormat *file_iformat = NULL;
2931 int err, i, ret;
2932 int64_t timestamp;
2933 uint8_t buf[128];
2934 AVDictionary **opts;
2935 int orig_nb_streams; // number of streams before avformat_find_stream_info
2936
2937 if (last_asked_format) {
2938 if (!(file_iformat = av_find_input_format(last_asked_format))) {
2939 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
2940 exit_program(1);
2941 }
2942 last_asked_format = NULL;
2943 }
2944
2945 if (!strcmp(filename, "-"))
2946 filename = "pipe:";
2947
2948 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2949 !strcmp(filename, "/dev/stdin");
2950
2951 /* get default parameters from command line */
2952 ic = avformat_alloc_context();
2953 if (!ic) {
2954 print_error(filename, AVERROR(ENOMEM));
2955 exit_program(1);
2956 }
2957 if (audio_sample_rate) {
2958 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
2959 av_dict_set(&format_opts, "sample_rate", buf, 0);
2960 }
2961 if (audio_channels) {
2962 snprintf(buf, sizeof(buf), "%d", audio_channels);
2963 av_dict_set(&format_opts, "channels", buf, 0);
2964 }
2965 if (frame_rate.num) {
2966 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
2967 av_dict_set(&format_opts, "framerate", buf, 0);
2968 }
2969 if (frame_width && frame_height) {
2970 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
2971 av_dict_set(&format_opts, "video_size", buf, 0);
2972 }
2973 if (frame_pix_fmt != PIX_FMT_NONE)
2974 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
2975
2976 ic->flags |= AVFMT_FLAG_NONBLOCK;
2977
2978 /* open the input file with generic libav function */
2979 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2980 if (err < 0) {
2981 print_error(filename, err);
2982 exit_program(1);
2983 }
2984 assert_avoptions(format_opts);
2985
2986 if(opt_programid) {
2987 int i, j;
2988 int found=0;
2989 for(i=0; i<ic->nb_streams; i++){
2990 ic->streams[i]->discard= AVDISCARD_ALL;
2991 }
2992 for(i=0; i<ic->nb_programs; i++){
2993 AVProgram *p= ic->programs[i];
2994 if(p->id != opt_programid){
2995 p->discard = AVDISCARD_ALL;
2996 }else{
2997 found=1;
2998 for(j=0; j<p->nb_stream_indexes; j++){
2999 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3000 }
3001 }
3002 }
3003 if(!found){
3004 fprintf(stderr, "Specified program id not found\n");
3005 exit_program(1);
3006 }
3007 opt_programid=0;
3008 }
3009
3010 /* apply forced codec ids */
3011 for (i = 0; i < ic->nb_streams; i++)
3012 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
3013
3014 /* Set AVCodecContext options for avformat_find_stream_info */
3015 opts = setup_find_stream_info_opts(ic, codec_opts);
3016 orig_nb_streams = ic->nb_streams;
3017
3018 /* If not enough info to get the stream parameters, we decode the
3019 first frames to get it. (used in mpeg case for example) */
3020 ret = avformat_find_stream_info(ic, opts);
3021 if (ret < 0 && verbose >= 0) {
3022 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3023 av_close_input_file(ic);
3024 exit_program(1);
3025 }
3026
3027 timestamp = start_time;
3028 /* add the stream start time */
3029 if (ic->start_time != AV_NOPTS_VALUE)
3030 timestamp += ic->start_time;
3031
3032 /* if seeking requested, we execute it */
3033 if (start_time != 0) {
3034 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3035 if (ret < 0) {
3036 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3037 filename, (double)timestamp / AV_TIME_BASE);
3038 }
3039 /* reset seek info */
3040 start_time = 0;
3041 }
3042
3043 /* update the current parameters so that they match the one of the input stream */
3044 add_input_streams(ic);
3045
3046 /* dump the file content */
3047 if (verbose >= 0)
3048 av_dump_format(ic, nb_input_files, filename, 0);
3049
3050 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3051 input_files[nb_input_files - 1].ctx = ic;
3052 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3053 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3054
3055 frame_rate = (AVRational){0, 0};
3056 frame_pix_fmt = PIX_FMT_NONE;
3057 frame_height = 0;
3058 frame_width = 0;
3059 audio_sample_rate = 0;
3060 audio_channels = 0;
3061 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3062 av_dict_free(&ts_scale);
3063
3064 for (i = 0; i < orig_nb_streams; i++)
3065 av_dict_free(&opts[i]);
3066 av_freep(&opts);
3067 av_dict_free(&codec_names);
3068 uninit_opts();
3069 init_opts();
3070 return 0;
3071 }
3072
3073 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3074 AVCodecContext *avctx)
3075 {
3076 char *p;
3077 int n = 1, i;
3078 int64_t t;
3079
3080 for (p = kf; *p; p++)
3081 if (*p == ',')
3082 n++;
3083 ost->forced_kf_count = n;
3084 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3085 if (!ost->forced_kf_pts) {
3086 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3087 exit_program(1);
3088 }
3089 for (i = 0; i < n; i++) {
3090 p = i ? strchr(p, ',') + 1 : kf;
3091 t = parse_time_or_die("force_key_frames", p, 1);
3092 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3093 }
3094 }
3095
3096 static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type)
3097 {
3098 OutputStream *ost;
3099 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3100 int idx = oc->nb_streams - 1;
3101
3102 if (!st) {
3103 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3104 exit_program(1);
3105 }
3106
3107 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3108 nb_output_streams + 1);
3109 ost = &output_streams[nb_output_streams - 1];
3110 ost->file_index = nb_output_files;
3111 ost->index = idx;
3112 ost->st = st;
3113 st->codec->codec_type = type;
3114 ost->enc = choose_codec(oc, st, type, codec_names);
3115 if (ost->enc) {
3116 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3117 }
3118
3119 avcodec_get_context_defaults3(st->codec, ost->enc);
3120 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3121
3122 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3123 return ost;
3124 }
3125
3126 static OutputStream *new_video_stream(AVFormatContext *oc)
3127 {
3128 AVStream *st;
3129 OutputStream *ost;
3130 AVCodecContext *video_enc;
3131
3132 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO);
3133 st = ost->st;
3134 if (!st->stream_copy) {
3135 ost->frame_aspect_ratio = frame_aspect_ratio;
3136 frame_aspect_ratio = 0;
3137 #if CONFIG_AVFILTER
3138 ost->avfilter= vfilters;
3139 vfilters = NULL;
3140 #endif
3141 }
3142
3143 ost->bitstream_filters = video_bitstream_filters;
3144 video_bitstream_filters= NULL;
3145
3146 st->codec->thread_count= thread_count;
3147
3148 video_enc = st->codec;
3149
3150 if(video_codec_tag)
3151 video_enc->codec_tag= video_codec_tag;
3152
3153 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3154 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3155 }
3156
3157 if (st->stream_copy) {
3158 video_enc->sample_aspect_ratio =
3159 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3160 } else {
3161 const char *p;
3162 int i;
3163
3164 if (frame_rate.num)
3165 ost->frame_rate = frame_rate;
3166
3167 video_enc->width = frame_width;
3168 video_enc->height = frame_height;
3169 video_enc->pix_fmt = frame_pix_fmt;