RTMP needs tcp_protocol
[libav.git] / ffmpeg.c
1 /*
2 * FFmpeg main
3 * Copyright (c) 2000-2003 Fabrice Bellard
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg 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 * FFmpeg 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 FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 /* needed for usleep() */
23 #define _XOPEN_SOURCE 600
24
25 #include "config.h"
26 #include <ctype.h>
27 #include <string.h>
28 #include <math.h>
29 #include <stdlib.h>
30 #include <errno.h>
31 #include <signal.h>
32 #include <limits.h>
33 #include <unistd.h>
34 #include "libavformat/avformat.h"
35 #include "libavdevice/avdevice.h"
36 #include "libswscale/swscale.h"
37 #include "libavcodec/opt.h"
38 #include "libavcodec/audioconvert.h"
39 #include "libavcodec/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/avstring.h"
42 #include "libavformat/os_support.h"
43
44 #if HAVE_SYS_RESOURCE_H
45 #include <sys/types.h>
46 #include <sys/resource.h>
47 #elif HAVE_GETPROCESSTIMES
48 #include <windows.h>
49 #endif
50
51 #if HAVE_SYS_SELECT_H
52 #include <sys/select.h>
53 #endif
54
55 #if HAVE_TERMIOS_H
56 #include <fcntl.h>
57 #include <sys/ioctl.h>
58 #include <sys/time.h>
59 #include <termios.h>
60 #elif HAVE_CONIO_H
61 #include <conio.h>
62 #endif
63 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
64 #include <time.h>
65
66 #include "cmdutils.h"
67
68 #undef NDEBUG
69 #include <assert.h>
70
71 #undef exit
72
73 const char program_name[] = "FFmpeg";
74 const int program_birth_year = 2000;
75
76 /* select an input stream for an output stream */
77 typedef struct AVStreamMap {
78 int file_index;
79 int stream_index;
80 int sync_file_index;
81 int sync_stream_index;
82 } AVStreamMap;
83
84 /** select an input file for an output file */
85 typedef struct AVMetaDataMap {
86 int out_file;
87 int in_file;
88 } AVMetaDataMap;
89
90 static const OptionDef options[];
91
92 #define MAX_FILES 20
93
94 static AVFormatContext *input_files[MAX_FILES];
95 static int64_t input_files_ts_offset[MAX_FILES];
96 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
97 static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
98 static int nb_input_files = 0;
99 static int nb_icodecs;
100
101 static AVFormatContext *output_files[MAX_FILES];
102 static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
103 static int nb_output_files = 0;
104 static int nb_ocodecs;
105
106 static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
107 static int nb_stream_maps;
108
109 static AVMetaDataMap meta_data_maps[MAX_FILES];
110 static int nb_meta_data_maps;
111
112 static AVInputFormat *file_iformat;
113 static AVOutputFormat *file_oformat;
114 static int frame_width = 0;
115 static int frame_height = 0;
116 static float frame_aspect_ratio = 0;
117 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
118 static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
119 static int frame_padtop = 0;
120 static int frame_padbottom = 0;
121 static int frame_padleft = 0;
122 static int frame_padright = 0;
123 static int padcolor[3] = {16,128,128}; /* default to black */
124 static int frame_topBand = 0;
125 static int frame_bottomBand = 0;
126 static int frame_leftBand = 0;
127 static int frame_rightBand = 0;
128 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
129 static AVRational frame_rate;
130 static float video_qscale = 0;
131 static uint16_t *intra_matrix = NULL;
132 static uint16_t *inter_matrix = NULL;
133 #if 0 //experimental, (can be removed)
134 static float video_rc_qsquish=1.0;
135 static float video_rc_qmod_amp=0;
136 static int video_rc_qmod_freq=0;
137 #endif
138 static const char *video_rc_override_string=NULL;
139 static int video_disable = 0;
140 static int video_discard = 0;
141 static char *video_codec_name = NULL;
142 static int video_codec_tag = 0;
143 static int same_quality = 0;
144 static int do_deinterlace = 0;
145 static int top_field_first = -1;
146 static int me_threshold = 0;
147 static int intra_dc_precision = 8;
148 static int loop_input = 0;
149 static int loop_output = AVFMT_NOOUTPUTLOOP;
150 static int qp_hist = 0;
151
152 static int intra_only = 0;
153 static int audio_sample_rate = 44100;
154 static int64_t channel_layout = 0;
155 #define QSCALE_NONE -99999
156 static float audio_qscale = QSCALE_NONE;
157 static int audio_disable = 0;
158 static int audio_channels = 1;
159 static char *audio_codec_name = NULL;
160 static int audio_codec_tag = 0;
161 static char *audio_language = NULL;
162
163 static int subtitle_disable = 0;
164 static char *subtitle_codec_name = NULL;
165 static char *subtitle_language = NULL;
166 static int subtitle_codec_tag = 0;
167
168 static float mux_preload= 0.5;
169 static float mux_max_delay= 0.7;
170
171 static int64_t recording_time = INT64_MAX;
172 static int64_t start_time = 0;
173 static int64_t rec_timestamp = 0;
174 static int64_t input_ts_offset = 0;
175 static int file_overwrite = 0;
176 static int metadata_count;
177 static AVMetadataTag *metadata;
178 static int do_benchmark = 0;
179 static int do_hex_dump = 0;
180 static int do_pkt_dump = 0;
181 static int do_psnr = 0;
182 static int do_pass = 0;
183 static char *pass_logfilename_prefix = NULL;
184 static int audio_stream_copy = 0;
185 static int video_stream_copy = 0;
186 static int subtitle_stream_copy = 0;
187 static int video_sync_method= -1;
188 static int audio_sync_method= 0;
189 static float audio_drift_threshold= 0.1;
190 static int copy_ts= 0;
191 static int opt_shortest = 0;
192 static int video_global_header = 0;
193 static char *vstats_filename;
194 static FILE *vstats_file;
195 static int opt_programid = 0;
196 static int copy_initial_nonkeyframes = 0;
197
198 static int rate_emu = 0;
199
200 static int video_channel = 0;
201 static char *video_standard;
202
203 static int audio_volume = 256;
204
205 static int exit_on_error = 0;
206 static int using_stdin = 0;
207 static int verbose = 1;
208 static int thread_count= 1;
209 static int q_pressed = 0;
210 static int64_t video_size = 0;
211 static int64_t audio_size = 0;
212 static int64_t extra_size = 0;
213 static int nb_frames_dup = 0;
214 static int nb_frames_drop = 0;
215 static int input_sync;
216 static uint64_t limit_filesize = 0;
217 static int force_fps = 0;
218
219 static int pgmyuv_compatibility_hack=0;
220 static float dts_delta_threshold = 10;
221
222 static unsigned int sws_flags = SWS_BICUBIC;
223
224 static int64_t timer_start;
225
226 static uint8_t *audio_buf;
227 static uint8_t *audio_out;
228 static uint8_t *audio_out2;
229
230 static short *samples;
231
232 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
233 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
234 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
235 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
236
237 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
238
239 struct AVInputStream;
240
241 typedef struct AVOutputStream {
242 int file_index; /* file index */
243 int index; /* stream index in the output file */
244 int source_index; /* AVInputStream index */
245 AVStream *st; /* stream in the output file */
246 int encoding_needed; /* true if encoding needed for this stream */
247 int frame_number;
248 /* input pts and corresponding output pts
249 for A/V sync */
250 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
251 struct AVInputStream *sync_ist; /* input stream to sync against */
252 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
253 /* video only */
254 int video_resample;
255 AVFrame pict_tmp; /* temporary image for resampling */
256 struct SwsContext *img_resample_ctx; /* for image resampling */
257 int resample_height;
258 int resample_width;
259 int resample_pix_fmt;
260
261 /* full frame size of first frame */
262 int original_height;
263 int original_width;
264
265 /* cropping area sizes */
266 int video_crop;
267 int topBand;
268 int bottomBand;
269 int leftBand;
270 int rightBand;
271
272 /* cropping area of first frame */
273 int original_topBand;
274 int original_bottomBand;
275 int original_leftBand;
276 int original_rightBand;
277
278 /* padding area sizes */
279 int video_pad;
280 int padtop;
281 int padbottom;
282 int padleft;
283 int padright;
284
285 /* audio only */
286 int audio_resample;
287 ReSampleContext *resample; /* for audio resampling */
288 int reformat_pair;
289 AVAudioConvert *reformat_ctx;
290 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
291 FILE *logfile;
292 } AVOutputStream;
293
294 typedef struct AVInputStream {
295 int file_index;
296 int index;
297 AVStream *st;
298 int discard; /* true if stream data should be discarded */
299 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
300 int64_t sample_index; /* current sample */
301
302 int64_t start; /* time when read started */
303 int64_t next_pts; /* synthetic pts for cases where pkt.pts
304 is not defined */
305 int64_t pts; /* current pts */
306 int is_start; /* is 1 at the start and after a discontinuity */
307 } AVInputStream;
308
309 typedef struct AVInputFile {
310 int eof_reached; /* true if eof reached */
311 int ist_index; /* index of first stream in ist_table */
312 int buffer_size; /* current total buffer size */
313 int nb_streams; /* nb streams we are aware of */
314 } AVInputFile;
315
316 #if HAVE_TERMIOS_H
317
318 /* init terminal so that we can grab keys */
319 static struct termios oldtty;
320 #endif
321
322 static void term_exit(void)
323 {
324 #if HAVE_TERMIOS_H
325 tcsetattr (0, TCSANOW, &oldtty);
326 #endif
327 }
328
329 static volatile int received_sigterm = 0;
330
331 static void
332 sigterm_handler(int sig)
333 {
334 received_sigterm = sig;
335 term_exit();
336 }
337
338 static void term_init(void)
339 {
340 #if HAVE_TERMIOS_H
341 struct termios tty;
342
343 tcgetattr (0, &tty);
344 oldtty = tty;
345
346 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
347 |INLCR|IGNCR|ICRNL|IXON);
348 tty.c_oflag |= OPOST;
349 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
350 tty.c_cflag &= ~(CSIZE|PARENB);
351 tty.c_cflag |= CS8;
352 tty.c_cc[VMIN] = 1;
353 tty.c_cc[VTIME] = 0;
354
355 tcsetattr (0, TCSANOW, &tty);
356 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
357 #endif
358
359 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
360 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
361 /*
362 register a function to be called at normal program termination
363 */
364 atexit(term_exit);
365 #if CONFIG_BEOS_NETSERVER
366 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
367 #endif
368 }
369
370 /* read a key without blocking */
371 static int read_key(void)
372 {
373 #if HAVE_TERMIOS_H
374 int n = 1;
375 unsigned char ch;
376 #if !CONFIG_BEOS_NETSERVER
377 struct timeval tv;
378 fd_set rfds;
379
380 FD_ZERO(&rfds);
381 FD_SET(0, &rfds);
382 tv.tv_sec = 0;
383 tv.tv_usec = 0;
384 n = select(1, &rfds, NULL, NULL, &tv);
385 #endif
386 if (n > 0) {
387 n = read(0, &ch, 1);
388 if (n == 1)
389 return ch;
390
391 return n;
392 }
393 #elif HAVE_CONIO_H
394 if(kbhit())
395 return(getch());
396 #endif
397 return -1;
398 }
399
400 static int decode_interrupt_cb(void)
401 {
402 return q_pressed || (q_pressed = read_key() == 'q');
403 }
404
405 static int av_exit(int ret)
406 {
407 int i;
408
409 /* close files */
410 for(i=0;i<nb_output_files;i++) {
411 /* maybe av_close_output_file ??? */
412 AVFormatContext *s = output_files[i];
413 int j;
414 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
415 url_fclose(s->pb);
416 for(j=0;j<s->nb_streams;j++) {
417 av_metadata_free(&s->streams[j]->metadata);
418 av_free(s->streams[j]->codec);
419 av_free(s->streams[j]);
420 }
421 for(j=0;j<s->nb_programs;j++) {
422 av_metadata_free(&s->programs[j]->metadata);
423 }
424 for(j=0;j<s->nb_chapters;j++) {
425 av_metadata_free(&s->chapters[j]->metadata);
426 }
427 av_metadata_free(&s->metadata);
428 av_free(s);
429 }
430 for(i=0;i<nb_input_files;i++)
431 av_close_input_file(input_files[i]);
432
433 av_free(intra_matrix);
434 av_free(inter_matrix);
435
436 if (vstats_file)
437 fclose(vstats_file);
438 av_free(vstats_filename);
439
440 av_free(opt_names);
441
442 av_free(video_codec_name);
443 av_free(audio_codec_name);
444 av_free(subtitle_codec_name);
445
446 av_free(video_standard);
447
448 #if CONFIG_POWERPC_PERF
449 void powerpc_display_perf_report(void);
450 powerpc_display_perf_report();
451 #endif /* CONFIG_POWERPC_PERF */
452
453 for (i=0;i<CODEC_TYPE_NB;i++)
454 av_free(avcodec_opts[i]);
455 av_free(avformat_opts);
456 av_free(sws_opts);
457 av_free(audio_buf);
458 av_free(audio_out);
459 av_free(audio_out2);
460 av_free(samples);
461
462 if (received_sigterm) {
463 fprintf(stderr,
464 "Received signal %d: terminating.\n",
465 (int) received_sigterm);
466 exit (255);
467 }
468
469 exit(ret); /* not all OS-es handle main() return value */
470 return ret;
471 }
472
473 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
474 {
475 int i, err;
476 AVFormatContext *ic;
477 int nopts = 0;
478
479 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
480 if (err < 0)
481 return err;
482 /* copy stream format */
483 s->nb_streams = ic->nb_streams;
484 for(i=0;i<ic->nb_streams;i++) {
485 AVStream *st;
486
487 // FIXME: a more elegant solution is needed
488 st = av_mallocz(sizeof(AVStream));
489 memcpy(st, ic->streams[i], sizeof(AVStream));
490 st->codec = avcodec_alloc_context();
491 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
492 s->streams[i] = st;
493
494 if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
495 st->stream_copy = 1;
496 else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
497 st->stream_copy = 1;
498
499 if(!st->codec->thread_count)
500 st->codec->thread_count = 1;
501 if(st->codec->thread_count>1)
502 avcodec_thread_init(st->codec, st->codec->thread_count);
503
504 if(st->codec->flags & CODEC_FLAG_BITEXACT)
505 nopts = 1;
506 }
507
508 if (!nopts)
509 s->timestamp = av_gettime();
510
511 av_close_input_file(ic);
512 return 0;
513 }
514
515 static double
516 get_sync_ipts(const AVOutputStream *ost)
517 {
518 const AVInputStream *ist = ost->sync_ist;
519 return (double)(ist->pts - start_time)/AV_TIME_BASE;
520 }
521
522 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
523 int ret;
524
525 while(bsfc){
526 AVPacket new_pkt= *pkt;
527 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
528 &new_pkt.data, &new_pkt.size,
529 pkt->data, pkt->size,
530 pkt->flags & PKT_FLAG_KEY);
531 if(a>0){
532 av_free_packet(pkt);
533 new_pkt.destruct= av_destruct_packet;
534 } else if(a<0){
535 fprintf(stderr, "%s failed for stream %d, codec %s",
536 bsfc->filter->name, pkt->stream_index,
537 avctx->codec ? avctx->codec->name : "copy");
538 print_error("", a);
539 if (exit_on_error)
540 av_exit(1);
541 }
542 *pkt= new_pkt;
543
544 bsfc= bsfc->next;
545 }
546
547 ret= av_interleaved_write_frame(s, pkt);
548 if(ret < 0){
549 print_error("av_interleaved_write_frame()", ret);
550 av_exit(1);
551 }
552 }
553
554 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
555
556 static void do_audio_out(AVFormatContext *s,
557 AVOutputStream *ost,
558 AVInputStream *ist,
559 unsigned char *buf, int size)
560 {
561 uint8_t *buftmp;
562 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
563
564 int size_out, frame_bytes, ret;
565 AVCodecContext *enc= ost->st->codec;
566 AVCodecContext *dec= ist->st->codec;
567 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
568 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
569
570 /* SC: dynamic allocation of buffers */
571 if (!audio_buf)
572 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
573 if (!audio_out)
574 audio_out = av_malloc(audio_out_size);
575 if (!audio_buf || !audio_out)
576 return; /* Should signal an error ! */
577
578 if (enc->channels != dec->channels)
579 ost->audio_resample = 1;
580
581 if (ost->audio_resample && !ost->resample) {
582 if (dec->sample_fmt != SAMPLE_FMT_S16)
583 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
584 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
585 enc->sample_rate, dec->sample_rate,
586 enc->sample_fmt, dec->sample_fmt,
587 16, 10, 0, 0.8);
588 if (!ost->resample) {
589 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
590 dec->channels, dec->sample_rate,
591 enc->channels, enc->sample_rate);
592 av_exit(1);
593 }
594 }
595
596 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
597 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
598 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
599 if (!audio_out2)
600 audio_out2 = av_malloc(audio_out_size);
601 if (!audio_out2)
602 av_exit(1);
603 if (ost->reformat_ctx)
604 av_audio_convert_free(ost->reformat_ctx);
605 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
606 dec->sample_fmt, 1, NULL, 0);
607 if (!ost->reformat_ctx) {
608 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
609 avcodec_get_sample_fmt_name(dec->sample_fmt),
610 avcodec_get_sample_fmt_name(enc->sample_fmt));
611 av_exit(1);
612 }
613 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
614 }
615
616 if(audio_sync_method){
617 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
618 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
619 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
620 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
621
622 //FIXME resample delay
623 if(fabs(delta) > 50){
624 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
625 if(byte_delta < 0){
626 byte_delta= FFMAX(byte_delta, -size);
627 size += byte_delta;
628 buf -= byte_delta;
629 if(verbose > 2)
630 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
631 if(!size)
632 return;
633 ist->is_start=0;
634 }else{
635 static uint8_t *input_tmp= NULL;
636 input_tmp= av_realloc(input_tmp, byte_delta + size);
637
638 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
639 ist->is_start=0;
640 else
641 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
642
643 memset(input_tmp, 0, byte_delta);
644 memcpy(input_tmp + byte_delta, buf, size);
645 buf= input_tmp;
646 size += byte_delta;
647 if(verbose > 2)
648 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
649 }
650 }else if(audio_sync_method>1){
651 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
652 assert(ost->audio_resample);
653 if(verbose > 2)
654 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
655 // 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));
656 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
657 }
658 }
659 }else
660 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
661 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
662
663 if (ost->audio_resample) {
664 buftmp = audio_buf;
665 size_out = audio_resample(ost->resample,
666 (short *)buftmp, (short *)buf,
667 size / (ist->st->codec->channels * isize));
668 size_out = size_out * enc->channels * osize;
669 } else {
670 buftmp = buf;
671 size_out = size;
672 }
673
674 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
675 const void *ibuf[6]= {buftmp};
676 void *obuf[6]= {audio_out2};
677 int istride[6]= {isize};
678 int ostride[6]= {osize};
679 int len= size_out/istride[0];
680 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
681 printf("av_audio_convert() failed\n");
682 if (exit_on_error)
683 av_exit(1);
684 return;
685 }
686 buftmp = audio_out2;
687 size_out = len*osize;
688 }
689
690 /* now encode as many frames as possible */
691 if (enc->frame_size > 1) {
692 /* output resampled raw samples */
693 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
694 fprintf(stderr, "av_fifo_realloc2() failed\n");
695 av_exit(1);
696 }
697 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
698
699 frame_bytes = enc->frame_size * osize * enc->channels;
700
701 while (av_fifo_size(ost->fifo) >= frame_bytes) {
702 AVPacket pkt;
703 av_init_packet(&pkt);
704
705 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
706
707 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
708
709 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
710 (short *)audio_buf);
711 if (ret < 0) {
712 fprintf(stderr, "Audio encoding failed\n");
713 av_exit(1);
714 }
715 audio_size += ret;
716 pkt.stream_index= ost->index;
717 pkt.data= audio_out;
718 pkt.size= ret;
719 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
720 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
721 pkt.flags |= PKT_FLAG_KEY;
722 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
723
724 ost->sync_opts += enc->frame_size;
725 }
726 } else {
727 AVPacket pkt;
728 int coded_bps = av_get_bits_per_sample(enc->codec->id)/8;
729 av_init_packet(&pkt);
730
731 ost->sync_opts += size_out / (osize * enc->channels);
732
733 /* output a pcm frame */
734 /* determine the size of the coded buffer */
735 size_out /= osize;
736 if (coded_bps)
737 size_out *= coded_bps;
738
739 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
740 ret = avcodec_encode_audio(enc, audio_out, size_out,
741 (short *)buftmp);
742 if (ret < 0) {
743 fprintf(stderr, "Audio encoding failed\n");
744 av_exit(1);
745 }
746 audio_size += ret;
747 pkt.stream_index= ost->index;
748 pkt.data= audio_out;
749 pkt.size= ret;
750 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
751 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
752 pkt.flags |= PKT_FLAG_KEY;
753 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
754 }
755 }
756
757 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
758 {
759 AVCodecContext *dec;
760 AVPicture *picture2;
761 AVPicture picture_tmp;
762 uint8_t *buf = 0;
763
764 dec = ist->st->codec;
765
766 /* deinterlace : must be done before any resize */
767 if (do_deinterlace) {
768 int size;
769
770 /* create temporary picture */
771 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
772 buf = av_malloc(size);
773 if (!buf)
774 return;
775
776 picture2 = &picture_tmp;
777 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
778
779 if(avpicture_deinterlace(picture2, picture,
780 dec->pix_fmt, dec->width, dec->height) < 0) {
781 /* if error, do not deinterlace */
782 fprintf(stderr, "Deinterlacing failed\n");
783 av_free(buf);
784 buf = NULL;
785 picture2 = picture;
786 }
787 } else {
788 picture2 = picture;
789 }
790
791 if (picture != picture2)
792 *picture = *picture2;
793 *bufp = buf;
794 }
795
796 /* we begin to correct av delay at this threshold */
797 #define AV_DELAY_MAX 0.100
798
799 static void do_subtitle_out(AVFormatContext *s,
800 AVOutputStream *ost,
801 AVInputStream *ist,
802 AVSubtitle *sub,
803 int64_t pts)
804 {
805 static uint8_t *subtitle_out = NULL;
806 int subtitle_out_max_size = 65536;
807 int subtitle_out_size, nb, i;
808 AVCodecContext *enc;
809 AVPacket pkt;
810
811 if (pts == AV_NOPTS_VALUE) {
812 fprintf(stderr, "Subtitle packets must have a pts\n");
813 if (exit_on_error)
814 av_exit(1);
815 return;
816 }
817
818 enc = ost->st->codec;
819
820 if (!subtitle_out) {
821 subtitle_out = av_malloc(subtitle_out_max_size);
822 }
823
824 /* Note: DVB subtitle need one packet to draw them and one other
825 packet to clear them */
826 /* XXX: signal it in the codec context ? */
827 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
828 nb = 2;
829 else
830 nb = 1;
831
832 for(i = 0; i < nb; i++) {
833 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
834 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
835 subtitle_out_max_size, sub);
836
837 av_init_packet(&pkt);
838 pkt.stream_index = ost->index;
839 pkt.data = subtitle_out;
840 pkt.size = subtitle_out_size;
841 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
842 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
843 /* XXX: the pts correction is handled here. Maybe handling
844 it in the codec would be better */
845 if (i == 0)
846 pkt.pts += 90 * sub->start_display_time;
847 else
848 pkt.pts += 90 * sub->end_display_time;
849 }
850 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
851 }
852 }
853
854 static int bit_buffer_size= 1024*256;
855 static uint8_t *bit_buffer= NULL;
856
857 static void do_video_out(AVFormatContext *s,
858 AVOutputStream *ost,
859 AVInputStream *ist,
860 AVFrame *in_picture,
861 int *frame_size)
862 {
863 int nb_frames, i, ret;
864 int64_t topBand, bottomBand, leftBand, rightBand;
865 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
866 AVFrame picture_crop_temp, picture_pad_temp;
867 AVCodecContext *enc, *dec;
868
869 avcodec_get_frame_defaults(&picture_crop_temp);
870 avcodec_get_frame_defaults(&picture_pad_temp);
871
872 enc = ost->st->codec;
873 dec = ist->st->codec;
874
875 /* by default, we output a single frame */
876 nb_frames = 1;
877
878 *frame_size = 0;
879
880 if(video_sync_method>0 || (video_sync_method && av_q2d(enc->time_base) > 0.001)){
881 double vdelta;
882 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
883 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
884 if (vdelta < -1.1)
885 nb_frames = 0;
886 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
887 if(vdelta<=-0.6){
888 nb_frames=0;
889 }else if(vdelta>0.6)
890 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
891 }else if (vdelta > 1.1)
892 nb_frames = lrintf(vdelta);
893 //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);
894 if (nb_frames == 0){
895 ++nb_frames_drop;
896 if (verbose>2)
897 fprintf(stderr, "*** drop!\n");
898 }else if (nb_frames > 1) {
899 nb_frames_dup += nb_frames;
900 if (verbose>2)
901 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
902 }
903 }else
904 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
905
906 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
907 if (nb_frames <= 0)
908 return;
909
910 if (ost->video_crop) {
911 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
912 fprintf(stderr, "error cropping picture\n");
913 if (exit_on_error)
914 av_exit(1);
915 return;
916 }
917 formatted_picture = &picture_crop_temp;
918 } else {
919 formatted_picture = in_picture;
920 }
921
922 final_picture = formatted_picture;
923 padding_src = formatted_picture;
924 resampling_dst = &ost->pict_tmp;
925 if (ost->video_pad) {
926 final_picture = &ost->pict_tmp;
927 if (ost->video_resample) {
928 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
929 fprintf(stderr, "error padding picture\n");
930 if (exit_on_error)
931 av_exit(1);
932 return;
933 }
934 resampling_dst = &picture_pad_temp;
935 }
936 }
937
938 if (ost->video_resample) {
939 padding_src = NULL;
940 final_picture = &ost->pict_tmp;
941 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
942 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
943 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
944
945 fprintf(stderr,"Input Stream #%d.%d frame size changed to %dx%d, %s\n", ist->file_index, ist->index, ist->st->codec->width, ist->st->codec->height,avcodec_get_pix_fmt_name(ist->st->codec->pix_fmt));
946 /* keep bands proportional to the frame size */
947 topBand = ((int64_t)ist->st->codec->height * ost->original_topBand / ost->original_height) & ~1;
948 bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
949 leftBand = ((int64_t)ist->st->codec->width * ost->original_leftBand / ost->original_width) & ~1;
950 rightBand = ((int64_t)ist->st->codec->width * ost->original_rightBand / ost->original_width) & ~1;
951
952 /* sanity check to ensure no bad band sizes sneak in */
953 assert(topBand <= INT_MAX && topBand >= 0);
954 assert(bottomBand <= INT_MAX && bottomBand >= 0);
955 assert(leftBand <= INT_MAX && leftBand >= 0);
956 assert(rightBand <= INT_MAX && rightBand >= 0);
957
958 ost->topBand = topBand;
959 ost->bottomBand = bottomBand;
960 ost->leftBand = leftBand;
961 ost->rightBand = rightBand;
962
963 ost->resample_height = ist->st->codec->height - (ost->topBand + ost->bottomBand);
964 ost->resample_width = ist->st->codec->width - (ost->leftBand + ost->rightBand);
965 ost->resample_pix_fmt= ist->st->codec->pix_fmt;
966
967 /* initialize a new scaler context */
968 sws_freeContext(ost->img_resample_ctx);
969 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
970 ost->img_resample_ctx = sws_getContext(
971 ist->st->codec->width - (ost->leftBand + ost->rightBand),
972 ist->st->codec->height - (ost->topBand + ost->bottomBand),
973 ist->st->codec->pix_fmt,
974 ost->st->codec->width - (ost->padleft + ost->padright),
975 ost->st->codec->height - (ost->padtop + ost->padbottom),
976 ost->st->codec->pix_fmt,
977 sws_flags, NULL, NULL, NULL);
978 if (ost->img_resample_ctx == NULL) {
979 fprintf(stderr, "Cannot get resampling context\n");
980 av_exit(1);
981 }
982 }
983 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
984 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
985 }
986
987 if (ost->video_pad) {
988 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
989 enc->height, enc->width, enc->pix_fmt,
990 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
991 }
992
993 /* duplicates frame if needed */
994 for(i=0;i<nb_frames;i++) {
995 AVPacket pkt;
996 av_init_packet(&pkt);
997 pkt.stream_index= ost->index;
998
999 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1000 /* raw pictures are written as AVPicture structure to
1001 avoid any copies. We support temorarily the older
1002 method. */
1003 AVFrame* old_frame = enc->coded_frame;
1004 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1005 pkt.data= (uint8_t *)final_picture;
1006 pkt.size= sizeof(AVPicture);
1007 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1008 pkt.flags |= PKT_FLAG_KEY;
1009
1010 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1011 enc->coded_frame = old_frame;
1012 } else {
1013 AVFrame big_picture;
1014
1015 big_picture= *final_picture;
1016 /* better than nothing: use input picture interlaced
1017 settings */
1018 big_picture.interlaced_frame = in_picture->interlaced_frame;
1019 if(avcodec_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1020 if(top_field_first == -1)
1021 big_picture.top_field_first = in_picture->top_field_first;
1022 else
1023 big_picture.top_field_first = top_field_first;
1024 }
1025
1026 /* handles sameq here. This is not correct because it may
1027 not be a global option */
1028 if (same_quality) {
1029 big_picture.quality = ist->st->quality;
1030 }else
1031 big_picture.quality = ost->st->quality;
1032 if(!me_threshold)
1033 big_picture.pict_type = 0;
1034 // big_picture.pts = AV_NOPTS_VALUE;
1035 big_picture.pts= ost->sync_opts;
1036 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1037 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1038 ret = avcodec_encode_video(enc,
1039 bit_buffer, bit_buffer_size,
1040 &big_picture);
1041 if (ret < 0) {
1042 fprintf(stderr, "Video encoding failed\n");
1043 av_exit(1);
1044 }
1045
1046 if(ret>0){
1047 pkt.data= bit_buffer;
1048 pkt.size= ret;
1049 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1050 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1051 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1052 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1053 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1054
1055 if(enc->coded_frame->key_frame)
1056 pkt.flags |= PKT_FLAG_KEY;
1057 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1058 *frame_size = ret;
1059 video_size += ret;
1060 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1061 // enc->frame_number-1, ret, enc->pict_type);
1062 /* if two pass, output log */
1063 if (ost->logfile && enc->stats_out) {
1064 fprintf(ost->logfile, "%s", enc->stats_out);
1065 }
1066 }
1067 }
1068 ost->sync_opts++;
1069 ost->frame_number++;
1070 }
1071 }
1072
1073 static double psnr(double d){
1074 return -10.0*log(d)/log(10.0);
1075 }
1076
1077 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1078 int frame_size)
1079 {
1080 AVCodecContext *enc;
1081 int frame_number;
1082 double ti1, bitrate, avg_bitrate;
1083
1084 /* this is executed just the first time do_video_stats is called */
1085 if (!vstats_file) {
1086 vstats_file = fopen(vstats_filename, "w");
1087 if (!vstats_file) {
1088 perror("fopen");
1089 av_exit(1);
1090 }
1091 }
1092
1093 enc = ost->st->codec;
1094 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1095 frame_number = ost->frame_number;
1096 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1097 if (enc->flags&CODEC_FLAG_PSNR)
1098 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1099
1100 fprintf(vstats_file,"f_size= %6d ", frame_size);
1101 /* compute pts value */
1102 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1103 if (ti1 < 0.01)
1104 ti1 = 0.01;
1105
1106 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1107 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1108 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1109 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1110 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1111 }
1112 }
1113
1114 static void print_report(AVFormatContext **output_files,
1115 AVOutputStream **ost_table, int nb_ostreams,
1116 int is_last_report)
1117 {
1118 char buf[1024];
1119 AVOutputStream *ost;
1120 AVFormatContext *oc;
1121 int64_t total_size;
1122 AVCodecContext *enc;
1123 int frame_number, vid, i;
1124 double bitrate, ti1, pts;
1125 static int64_t last_time = -1;
1126 static int qp_histogram[52];
1127
1128 if (!is_last_report) {
1129 int64_t cur_time;
1130 /* display the report every 0.5 seconds */
1131 cur_time = av_gettime();
1132 if (last_time == -1) {
1133 last_time = cur_time;
1134 return;
1135 }
1136 if ((cur_time - last_time) < 500000)
1137 return;
1138 last_time = cur_time;
1139 }
1140
1141
1142 oc = output_files[0];
1143
1144 total_size = url_fsize(oc->pb);
1145 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1146 total_size= url_ftell(oc->pb);
1147
1148 buf[0] = '\0';
1149 ti1 = 1e10;
1150 vid = 0;
1151 for(i=0;i<nb_ostreams;i++) {
1152 ost = ost_table[i];
1153 enc = ost->st->codec;
1154 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1155 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1156 !ost->st->stream_copy ?
1157 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1158 }
1159 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1160 float t = (av_gettime()-timer_start) / 1000000.0;
1161
1162 frame_number = ost->frame_number;
1163 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1164 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1165 !ost->st->stream_copy ?
1166 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1167 if(is_last_report)
1168 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1169 if(qp_hist){
1170 int j;
1171 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1172 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1173 qp_histogram[qp]++;
1174 for(j=0; j<32; j++)
1175 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1176 }
1177 if (enc->flags&CODEC_FLAG_PSNR){
1178 int j;
1179 double error, error_sum=0;
1180 double scale, scale_sum=0;
1181 char type[3]= {'Y','U','V'};
1182 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1183 for(j=0; j<3; j++){
1184 if(is_last_report){
1185 error= enc->error[j];
1186 scale= enc->width*enc->height*255.0*255.0*frame_number;
1187 }else{
1188 error= enc->coded_frame->error[j];
1189 scale= enc->width*enc->height*255.0*255.0;
1190 }
1191 if(j) scale/=4;
1192 error_sum += error;
1193 scale_sum += scale;
1194 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1195 }
1196 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1197 }
1198 vid = 1;
1199 }
1200 /* compute min output value */
1201 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1202 if ((pts < ti1) && (pts > 0))
1203 ti1 = pts;
1204 }
1205 if (ti1 < 0.01)
1206 ti1 = 0.01;
1207
1208 if (verbose || is_last_report) {
1209 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1210
1211 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1212 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1213 (double)total_size / 1024, ti1, bitrate);
1214
1215 if (verbose > 1)
1216 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1217 nb_frames_dup, nb_frames_drop);
1218
1219 if (verbose >= 0)
1220 fprintf(stderr, "%s \r", buf);
1221
1222 fflush(stderr);
1223 }
1224
1225 if (is_last_report && verbose >= 0){
1226 int64_t raw= audio_size + video_size + extra_size;
1227 fprintf(stderr, "\n");
1228 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1229 video_size/1024.0,
1230 audio_size/1024.0,
1231 extra_size/1024.0,
1232 100.0*(total_size - raw)/raw
1233 );
1234 }
1235 }
1236
1237 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1238 static int output_packet(AVInputStream *ist, int ist_index,
1239 AVOutputStream **ost_table, int nb_ostreams,
1240 const AVPacket *pkt)
1241 {
1242 AVFormatContext *os;
1243 AVOutputStream *ost;
1244 int ret, i;
1245 uint8_t *data_buf;
1246 int data_size, got_picture;
1247 AVFrame picture;
1248 void *buffer_to_free;
1249 static unsigned int samples_size= 0;
1250 AVSubtitle subtitle, *subtitle_to_free;
1251 int got_subtitle;
1252 AVPacket avpkt;
1253
1254 if(ist->next_pts == AV_NOPTS_VALUE)
1255 ist->next_pts= ist->pts;
1256
1257 if (pkt == NULL) {
1258 /* EOF handling */
1259 av_init_packet(&avpkt);
1260 avpkt.data = NULL;
1261 avpkt.size = 0;
1262 goto handle_eof;
1263 } else {
1264 avpkt = *pkt;
1265 }
1266
1267 if(pkt->dts != AV_NOPTS_VALUE)
1268 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1269
1270 //while we have more to decode or while the decoder did output something on EOF
1271 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1272 handle_eof:
1273 ist->pts= ist->next_pts;
1274
1275 if(avpkt.size && avpkt.size != pkt->size && verbose>0)
1276 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1277
1278 /* decode the packet if needed */
1279 data_buf = NULL; /* fail safe */
1280 data_size = 0;
1281 subtitle_to_free = NULL;
1282 if (ist->decoding_needed) {
1283 switch(ist->st->codec->codec_type) {
1284 case CODEC_TYPE_AUDIO:{
1285 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1286 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1287 av_free(samples);
1288 samples= av_malloc(samples_size);
1289 }
1290 data_size= samples_size;
1291 /* XXX: could avoid copy if PCM 16 bits with same
1292 endianness as CPU */
1293 ret = avcodec_decode_audio3(ist->st->codec, samples, &data_size,
1294 &avpkt);
1295 if (ret < 0)
1296 goto fail_decode;
1297 avpkt.data += ret;
1298 avpkt.size -= ret;
1299 /* Some bug in mpeg audio decoder gives */
1300 /* data_size < 0, it seems they are overflows */
1301 if (data_size <= 0) {
1302 /* no audio frame */
1303 continue;
1304 }
1305 data_buf = (uint8_t *)samples;
1306 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1307 (ist->st->codec->sample_rate * ist->st->codec->channels);
1308 break;}
1309 case CODEC_TYPE_VIDEO:
1310 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1311 /* XXX: allocate picture correctly */
1312 avcodec_get_frame_defaults(&picture);
1313
1314 ret = avcodec_decode_video2(ist->st->codec,
1315 &picture, &got_picture, &avpkt);
1316 ist->st->quality= picture.quality;
1317 if (ret < 0)
1318 goto fail_decode;
1319 if (!got_picture) {
1320 /* no picture yet */
1321 goto discard_packet;
1322 }
1323 if (ist->st->codec->time_base.num != 0) {
1324 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1325 ist->next_pts += ((int64_t)AV_TIME_BASE *
1326 ist->st->codec->time_base.num * ticks) /
1327 ist->st->codec->time_base.den;
1328 }
1329 avpkt.size = 0;
1330 break;
1331 case CODEC_TYPE_SUBTITLE:
1332 ret = avcodec_decode_subtitle2(ist->st->codec,
1333 &subtitle, &got_subtitle, &avpkt);
1334 if (ret < 0)
1335 goto fail_decode;
1336 if (!got_subtitle) {
1337 goto discard_packet;
1338 }
1339 subtitle_to_free = &subtitle;
1340 avpkt.size = 0;
1341 break;
1342 default:
1343 goto fail_decode;
1344 }
1345 } else {
1346 switch(ist->st->codec->codec_type) {
1347 case CODEC_TYPE_AUDIO:
1348 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1349 ist->st->codec->sample_rate;
1350 break;
1351 case CODEC_TYPE_VIDEO:
1352 if (ist->st->codec->time_base.num != 0) {
1353 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1354 ist->next_pts += ((int64_t)AV_TIME_BASE *
1355 ist->st->codec->time_base.num * ticks) /
1356 ist->st->codec->time_base.den;
1357 }
1358 break;
1359 }
1360 data_buf = avpkt.data;
1361 data_size = avpkt.size;
1362 ret = avpkt.size;
1363 avpkt.size = 0;
1364 }
1365
1366 buffer_to_free = NULL;
1367 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1368 pre_process_video_frame(ist, (AVPicture *)&picture,
1369 &buffer_to_free);
1370 }
1371
1372 // preprocess audio (volume)
1373 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1374 if (audio_volume != 256) {
1375 short *volp;
1376 volp = samples;
1377 for(i=0;i<(data_size / sizeof(short));i++) {
1378 int v = ((*volp) * audio_volume + 128) >> 8;
1379 if (v < -32768) v = -32768;
1380 if (v > 32767) v = 32767;
1381 *volp++ = v;
1382 }
1383 }
1384 }
1385
1386 /* frame rate emulation */
1387 if (rate_emu) {
1388 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1389 int64_t now = av_gettime() - ist->start;
1390 if (pts > now)
1391 usleep(pts - now);
1392 }
1393
1394 /* if output time reached then transcode raw format,
1395 encode packets and output them */
1396 if (start_time == 0 || ist->pts >= start_time)
1397 for(i=0;i<nb_ostreams;i++) {
1398 int frame_size;
1399
1400 ost = ost_table[i];
1401 if (ost->source_index == ist_index) {
1402 os = output_files[ost->file_index];
1403
1404 #if 0
1405 printf("%d: got pts=%0.3f %0.3f\n", i,
1406 (double)pkt->pts / AV_TIME_BASE,
1407 ((double)ist->pts / AV_TIME_BASE) -
1408 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1409 #endif
1410 /* set the input output pts pairs */
1411 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1412
1413 if (ost->encoding_needed) {
1414 switch(ost->st->codec->codec_type) {
1415 case CODEC_TYPE_AUDIO:
1416 do_audio_out(os, ost, ist, data_buf, data_size);
1417 break;
1418 case CODEC_TYPE_VIDEO:
1419 do_video_out(os, ost, ist, &picture, &frame_size);
1420 if (vstats_filename && frame_size)
1421 do_video_stats(os, ost, frame_size);
1422 break;
1423 case CODEC_TYPE_SUBTITLE:
1424 do_subtitle_out(os, ost, ist, &subtitle,
1425 pkt->pts);
1426 break;
1427 default:
1428 abort();
1429 }
1430 } else {
1431 AVFrame avframe; //FIXME/XXX remove this
1432 AVPacket opkt;
1433 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1434
1435 av_init_packet(&opkt);
1436
1437 if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1438 continue;
1439
1440 /* no reencoding needed : output the packet directly */
1441 /* force the input stream PTS */
1442
1443 avcodec_get_frame_defaults(&avframe);
1444 ost->st->codec->coded_frame= &avframe;
1445 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1446
1447 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1448 audio_size += data_size;
1449 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1450 video_size += data_size;
1451 ost->sync_opts++;
1452 }
1453
1454 opkt.stream_index= ost->index;
1455 if(pkt->pts != AV_NOPTS_VALUE)
1456 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1457 else
1458 opkt.pts= AV_NOPTS_VALUE;
1459
1460 if (pkt->dts == AV_NOPTS_VALUE)
1461 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1462 else
1463 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1464 opkt.dts -= ost_tb_start_time;
1465
1466 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1467 opkt.flags= pkt->flags;
1468
1469 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1470 if(ost->st->codec->codec_id != CODEC_ID_H264) {
1471 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1472 opkt.destruct= av_destruct_packet;
1473 } else {
1474 opkt.data = data_buf;
1475 opkt.size = data_size;
1476 }
1477
1478 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1479 ost->st->codec->frame_number++;
1480 ost->frame_number++;
1481 av_free_packet(&opkt);
1482 }
1483 }
1484 }
1485 av_free(buffer_to_free);
1486 /* XXX: allocate the subtitles in the codec ? */
1487 if (subtitle_to_free) {
1488 if (subtitle_to_free->rects != NULL) {
1489 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1490 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1491 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1492 av_freep(&subtitle_to_free->rects[i]);
1493 }
1494 av_freep(&subtitle_to_free->rects);
1495 }
1496 subtitle_to_free->num_rects = 0;
1497 subtitle_to_free = NULL;
1498 }
1499 }
1500 discard_packet:
1501 if (pkt == NULL) {
1502 /* EOF handling */
1503
1504 for(i=0;i<nb_ostreams;i++) {
1505 ost = ost_table[i];
1506 if (ost->source_index == ist_index) {
1507 AVCodecContext *enc= ost->st->codec;
1508 os = output_files[ost->file_index];
1509
1510 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1511 continue;
1512 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1513 continue;
1514
1515 if (ost->encoding_needed) {
1516 for(;;) {
1517 AVPacket pkt;
1518 int fifo_bytes;
1519 av_init_packet(&pkt);
1520 pkt.stream_index= ost->index;
1521
1522 switch(ost->st->codec->codec_type) {
1523 case CODEC_TYPE_AUDIO:
1524 fifo_bytes = av_fifo_size(ost->fifo);
1525 ret = 0;
1526 /* encode any samples remaining in fifo */
1527 if (fifo_bytes > 0) {
1528 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1529 int fs_tmp = enc->frame_size;
1530
1531 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1532 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1533 enc->frame_size = fifo_bytes / (osize * enc->channels);
1534 } else { /* pad */
1535 int frame_bytes = enc->frame_size*osize*enc->channels;
1536 if (samples_size < frame_bytes)
1537 av_exit(1);
1538 memset((uint8_t*)samples+fifo_bytes, 0, frame_bytes - fifo_bytes);
1539 }
1540
1541 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1542 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1543 ost->st->time_base.num, enc->sample_rate);
1544 enc->frame_size = fs_tmp;
1545 }
1546 if(ret <= 0) {
1547 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1548 }
1549 if (ret < 0) {
1550 fprintf(stderr, "Audio encoding failed\n");
1551 av_exit(1);
1552 }
1553 audio_size += ret;
1554 pkt.flags |= PKT_FLAG_KEY;
1555 break;
1556 case CODEC_TYPE_VIDEO:
1557 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1558 if (ret < 0) {
1559 fprintf(stderr, "Video encoding failed\n");
1560 av_exit(1);
1561 }
1562 video_size += ret;
1563 if(enc->coded_frame && enc->coded_frame->key_frame)
1564 pkt.flags |= PKT_FLAG_KEY;
1565 if (ost->logfile && enc->stats_out) {
1566 fprintf(ost->logfile, "%s", enc->stats_out);
1567 }
1568 break;
1569 default:
1570 ret=-1;
1571 }
1572
1573 if(ret<=0)
1574 break;
1575 pkt.data= bit_buffer;
1576 pkt.size= ret;
1577 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1578 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1579 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1580 }
1581 }
1582 }
1583 }
1584 }
1585
1586 return 0;
1587 fail_decode:
1588 return -1;
1589 }
1590
1591 static void print_sdp(AVFormatContext **avc, int n)
1592 {
1593 char sdp[2048];
1594
1595 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1596 printf("SDP:\n%s\n", sdp);
1597 fflush(stdout);
1598 }
1599
1600 static int stream_index_from_inputs(AVFormatContext **input_files,
1601 int nb_input_files,
1602 AVInputFile *file_table,
1603 AVInputStream **ist_table,
1604 enum CodecType type,
1605 int programid)
1606 {
1607 int p, q, z;
1608 for(z=0; z<nb_input_files; z++) {
1609 AVFormatContext *ic = input_files[z];
1610 for(p=0; p<ic->nb_programs; p++) {
1611 AVProgram *program = ic->programs[p];
1612 if(program->id != programid)
1613 continue;
1614 for(q=0; q<program->nb_stream_indexes; q++) {
1615 int sidx = program->stream_index[q];
1616 int ris = file_table[z].ist_index + sidx;
1617 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1618 return ris;
1619 }
1620 }
1621 }
1622
1623 return -1;
1624 }
1625
1626 /*
1627 * The following code is the main loop of the file converter
1628 */
1629 static int av_encode(AVFormatContext **output_files,
1630 int nb_output_files,
1631 AVFormatContext **input_files,
1632 int nb_input_files,
1633 AVStreamMap *stream_maps, int nb_stream_maps)
1634 {
1635 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1636 AVFormatContext *is, *os;
1637 AVCodecContext *codec, *icodec;
1638 AVOutputStream *ost, **ost_table = NULL;
1639 AVInputStream *ist, **ist_table = NULL;
1640 AVInputFile *file_table;
1641 char error[1024];
1642 int key;
1643 int want_sdp = 1;
1644 uint8_t no_packet[MAX_FILES]={0};
1645 int no_packet_count=0;
1646
1647 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1648 if (!file_table)
1649 goto fail;
1650
1651 /* input stream init */
1652 j = 0;
1653 for(i=0;i<nb_input_files;i++) {
1654 is = input_files[i];
1655 file_table[i].ist_index = j;
1656 file_table[i].nb_streams = is->nb_streams;
1657 j += is->nb_streams;
1658 }
1659 nb_istreams = j;
1660
1661 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1662 if (!ist_table)
1663 goto fail;
1664
1665 for(i=0;i<nb_istreams;i++) {
1666 ist = av_mallocz(sizeof(AVInputStream));
1667 if (!ist)
1668 goto fail;
1669 ist_table[i] = ist;
1670 }
1671 j = 0;
1672 for(i=0;i<nb_input_files;i++) {
1673 is = input_files[i];
1674 for(k=0;k<is->nb_streams;k++) {
1675 ist = ist_table[j++];
1676 ist->st = is->streams[k];
1677 ist->file_index = i;
1678 ist->index = k;
1679 ist->discard = 1; /* the stream is discarded by default
1680 (changed later) */
1681
1682 if (rate_emu) {
1683 ist->start = av_gettime();
1684 }
1685 }
1686 }
1687
1688 /* output stream init */
1689 nb_ostreams = 0;
1690 for(i=0;i<nb_output_files;i++) {
1691 os = output_files[i];
1692 if (!os->nb_streams) {
1693 dump_format(output_files[i], i, output_files[i]->filename, 1);
1694 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1695 av_exit(1);
1696 }
1697 nb_ostreams += os->nb_streams;
1698 }
1699 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1700 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1701 av_exit(1);
1702 }
1703
1704 /* Sanity check the mapping args -- do the input files & streams exist? */
1705 for(i=0;i<nb_stream_maps;i++) {
1706 int fi = stream_maps[i].file_index;
1707 int si = stream_maps[i].stream_index;
1708
1709 if (fi < 0 || fi > nb_input_files - 1 ||
1710 si < 0 || si > file_table[fi].nb_streams - 1) {
1711 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1712 av_exit(1);
1713 }
1714 fi = stream_maps[i].sync_file_index;
1715 si = stream_maps[i].sync_stream_index;
1716 if (fi < 0 || fi > nb_input_files - 1 ||
1717 si < 0 || si > file_table[fi].nb_streams - 1) {
1718 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1719 av_exit(1);
1720 }
1721 }
1722
1723 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1724 if (!ost_table)
1725 goto fail;
1726 for(i=0;i<nb_ostreams;i++) {
1727 ost = av_mallocz(sizeof(AVOutputStream));
1728 if (!ost)
1729 goto fail;
1730 ost_table[i] = ost;
1731 }
1732
1733 n = 0;
1734 for(k=0;k<nb_output_files;k++) {
1735 os = output_files[k];
1736 for(i=0;i<os->nb_streams;i++,n++) {
1737 int found;
1738 ost = ost_table[n];
1739 ost->file_index = k;
1740 ost->index = i;
1741 ost->st = os->streams[i];
1742 if (nb_stream_maps > 0) {
1743 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1744 stream_maps[n].stream_index;
1745
1746 /* Sanity check that the stream types match */
1747 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1748 int i= ost->file_index;
1749 dump_format(output_files[i], i, output_files[i]->filename, 1);
1750 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1751 stream_maps[n].file_index, stream_maps[n].stream_index,
1752 ost->file_index, ost->index);
1753 av_exit(1);
1754 }
1755
1756 } else {
1757 if(opt_programid) {
1758 found = 0;
1759 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1760 if(j != -1) {
1761 ost->source_index = j;
1762 found = 1;
1763 }
1764 } else {
1765 /* get corresponding input stream index : we select the first one with the right type */
1766 found = 0;
1767 for(j=0;j<nb_istreams;j++) {
1768 ist = ist_table[j];
1769 if (ist->discard &&
1770 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1771 ost->source_index = j;
1772 found = 1;
1773 break;
1774 }
1775 }
1776 }
1777
1778 if (!found) {
1779 if(! opt_programid) {
1780 /* try again and reuse existing stream */
1781 for(j=0;j<nb_istreams;j++) {
1782 ist = ist_table[j];
1783 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1784 ost->source_index = j;
1785 found = 1;
1786 }
1787 }
1788 }
1789 if (!found) {
1790 int i= ost->file_index;
1791 dump_format(output_files[i], i, output_files[i]->filename, 1);
1792 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1793 ost->file_index, ost->index);
1794 av_exit(1);
1795 }
1796 }
1797 }
1798 ist = ist_table[ost->source_index];
1799 ist->discard = 0;
1800 ost->sync_ist = (nb_stream_maps > 0) ?
1801 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1802 stream_maps[n].sync_stream_index] : ist;
1803 }
1804 }
1805
1806 /* for each output stream, we compute the right encoding parameters */
1807 for(i=0;i<nb_ostreams;i++) {
1808 AVMetadataTag *lang;
1809 ost = ost_table[i];
1810 os = output_files[ost->file_index];
1811 ist = ist_table[ost->source_index];
1812
1813 codec = ost->st->codec;
1814 icodec = ist->st->codec;
1815
1816 if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
1817 && !av_metadata_get(ost->st->metadata, "language", NULL, 0))
1818 av_metadata_set(&ost->st->metadata, "language", lang->value);
1819
1820 ost->st->disposition = ist->st->disposition;
1821 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1822 codec->chroma_sample_location = icodec->chroma_sample_location;
1823
1824 if (ost->st->stream_copy) {
1825 /* if stream_copy is selected, no need to decode or encode */
1826 codec->codec_id = icodec->codec_id;
1827 codec->codec_type = icodec->codec_type;
1828
1829 if(!codec->codec_tag){
1830 if( !os->oformat->codec_tag
1831 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1832 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1833 codec->codec_tag = icodec->codec_tag;
1834 }
1835
1836 codec->bit_rate = icodec->bit_rate;
1837 codec->extradata= icodec->extradata;
1838 codec->extradata_size= icodec->extradata_size;
1839 if(av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000){
1840 codec->time_base = icodec->time_base;
1841 codec->time_base.num *= icodec->ticks_per_frame;
1842 }else
1843 codec->time_base = ist->st->time_base;
1844 switch(codec->codec_type) {
1845 case CODEC_TYPE_AUDIO:
1846 if(audio_volume != 256) {
1847 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1848 av_exit(1);
1849 }
1850 codec->channel_layout = icodec->channel_layout;
1851 codec->sample_rate = icodec->sample_rate;
1852 codec->channels = icodec->channels;
1853 codec->frame_size = icodec->frame_size;
1854 codec->block_align= icodec->block_align;
1855 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1856 codec->block_align= 0;
1857 if(codec->codec_id == CODEC_ID_AC3)
1858 codec->block_align= 0;
1859 break;
1860 case CODEC_TYPE_VIDEO:
1861 codec->pix_fmt = icodec->pix_fmt;
1862 codec->width = icodec->width;
1863 codec->height = icodec->height;
1864 codec->has_b_frames = icodec->has_b_frames;
1865 break;
1866 case CODEC_TYPE_SUBTITLE:
1867 codec->width = icodec->width;
1868 codec->height = icodec->height;
1869 break;
1870 default:
1871 abort();
1872 }
1873 } else {
1874 switch(codec->codec_type) {
1875 case CODEC_TYPE_AUDIO:
1876 ost->fifo= av_fifo_alloc(1024);
1877 if(!ost->fifo)
1878 goto fail;
1879 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1880 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1881 icodec->request_channels = codec->channels;
1882 ist->decoding_needed = 1;
1883 ost->encoding_needed = 1;
1884 break;
1885 case CODEC_TYPE_VIDEO:
1886 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
1887 fprintf(stderr, "Video pixel format is unknown, stream cannot be decoded\n");
1888 av_exit(1);
1889 }
1890 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1891 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1892 ost->video_resample = ((codec->width != icodec->width -
1893 (frame_leftBand + frame_rightBand) +
1894 (frame_padleft + frame_padright)) ||
1895 (codec->height != icodec->height -
1896 (frame_topBand + frame_bottomBand) +
1897 (frame_padtop + frame_padbottom)) ||
1898 (codec->pix_fmt != icodec->pix_fmt));
1899 if (ost->video_crop) {
1900 ost->topBand = ost->original_topBand = frame_topBand;
1901 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
1902 ost->leftBand = ost->original_leftBand = frame_leftBand;
1903 ost->rightBand = ost->original_rightBand = frame_rightBand;
1904 }
1905 if (ost->video_pad) {
1906 ost->padtop = frame_padtop;
1907 ost->padleft = frame_padleft;
1908 ost->padbottom = frame_padbottom;
1909 ost->padright = frame_padright;
1910 if (!ost->video_resample) {
1911 avcodec_get_frame_defaults(&ost->pict_tmp);
1912 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1913 codec->width, codec->height))
1914 goto fail;
1915 }
1916 }
1917 if (ost->video_resample) {
1918 avcodec_get_frame_defaults(&ost->pict_tmp);
1919 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1920 codec->width, codec->height)) {
1921 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1922 av_exit(1);
1923 }
1924 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1925 ost->img_resample_ctx = sws_getContext(
1926 icodec->width - (frame_leftBand + frame_rightBand),
1927 icodec->height - (frame_topBand + frame_bottomBand),
1928 icodec->pix_fmt,
1929 codec->width - (frame_padleft + frame_padright),
1930 codec->height - (frame_padtop + frame_padbottom),
1931 codec->pix_fmt,
1932 sws_flags, NULL, NULL, NULL);
1933 if (ost->img_resample_ctx == NULL) {
1934 fprintf(stderr, "Cannot get resampling context\n");
1935 av_exit(1);
1936 }
1937
1938 ost->original_height = icodec->height;
1939 ost->original_width = icodec->width;
1940
1941 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1942 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
1943 ost->resample_pix_fmt= icodec->pix_fmt;
1944 codec->bits_per_raw_sample= 0;
1945 }
1946 ost->encoding_needed = 1;
1947 ist->decoding_needed = 1;
1948 break;
1949 case CODEC_TYPE_SUBTITLE:
1950 ost->encoding_needed = 1;
1951 ist->decoding_needed = 1;
1952 break;
1953 default:
1954 abort();
1955 break;
1956 }
1957 /* two pass mode */
1958 if (ost->encoding_needed &&
1959 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1960 char logfilename[1024];
1961 FILE *f;
1962 int size;
1963 char *logbuffer;
1964
1965 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1966 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1967 i);
1968 if (codec->flags & CODEC_FLAG_PASS1) {
1969 f = fopen(logfilename, "w");
1970 if (!f) {
1971 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1972 av_exit(1);
1973 }
1974 ost->logfile = f;
1975 } else {
1976 /* read the log file */
1977 f = fopen(logfilename, "r");
1978 if (!f) {
1979 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1980 av_exit(1);
1981 }
1982 fseek(f, 0, SEEK_END);
1983 size = ftell(f);
1984 fseek(f, 0, SEEK_SET);
1985 logbuffer = av_malloc(size + 1);
1986 if (!logbuffer) {
1987 fprintf(stderr, "Could not allocate log buffer\n");
1988 av_exit(1);
1989 }
1990 size = fread(logbuffer, 1, size, f);
1991 fclose(f);
1992 logbuffer[size] = '\0';
1993 codec->stats_in = logbuffer;
1994 }
1995 }
1996 }
1997 if(codec->codec_type == CODEC_TYPE_VIDEO){
1998 int size= codec->width * codec->height;
1999 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2000 }
2001 }
2002
2003 if (!bit_buffer)
2004 bit_buffer = av_malloc(bit_buffer_size);
2005 if (!bit_buffer) {
2006 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2007 bit_buffer_size);
2008 ret = AVERROR(ENOMEM);
2009 goto fail;
2010 }
2011
2012 /* open each encoder */
2013 for(i=0;i<nb_ostreams;i++) {
2014 ost = ost_table[i];
2015 if (ost->encoding_needed) {
2016 AVCodec *codec = output_codecs[i];
2017 if (!codec)
2018 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2019 if (!codec) {
2020 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2021 ost->st->codec->codec_id, ost->file_index, ost->index);
2022 ret = AVERROR(EINVAL);
2023 goto dump_format;
2024 }
2025 if (avcodec_open(ost->st->codec, codec) < 0) {
2026 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2027 ost->file_index, ost->index);
2028 ret = AVERROR(EINVAL);
2029 goto dump_format;
2030 }
2031 extra_size += ost->st->codec->extradata_size;
2032 }
2033 }
2034
2035 /* open each decoder */
2036 for(i=0;i<nb_istreams;i++) {
2037 ist = ist_table[i];
2038 if (ist->decoding_needed) {
2039 AVCodec *codec = input_codecs[i];
2040 if (!codec)
2041 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2042 if (!codec) {
2043 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2044 ist->st->codec->codec_id, ist->file_index, ist->index);
2045 ret = AVERROR(EINVAL);
2046 goto dump_format;
2047 }
2048 if (avcodec_open(ist->st->codec, codec) < 0) {
2049 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2050 ist->file_index, ist->index);
2051 ret = AVERROR(EINVAL);
2052 goto dump_format;
2053 }
2054 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
2055 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2056 }
2057 }
2058
2059 /* init pts */
2060 for(i=0;i<nb_istreams;i++) {
2061 ist = ist_table[i];
2062 ist->pts = 0;
2063 ist->next_pts = AV_NOPTS_VALUE;
2064 ist->is_start = 1;
2065 }
2066
2067 /* set meta data information from input file if required */
2068 for (i=0;i<nb_meta_data_maps;i++) {
2069 AVFormatContext *out_file;
2070 AVFormatContext *in_file;
2071 AVMetadataTag *mtag;
2072
2073 int out_file_index = meta_data_maps[i].out_file;
2074 int in_file_index = meta_data_maps[i].in_file;
2075 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2076 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2077 out_file_index, out_file_index, in_file_index);
2078 ret = AVERROR(EINVAL);
2079 goto dump_format;
2080 }
2081 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2082 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2083 in_file_index, out_file_index, in_file_index);
2084 ret = AVERROR(EINVAL);
2085 goto dump_format;
2086 }
2087
2088 out_file = output_files[out_file_index];
2089 in_file = input_files[in_file_index];
2090
2091
2092 mtag=NULL;
2093 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2094 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2095 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2096 in_file->iformat->metadata_conv);
2097 }
2098
2099 /* open files and write file headers */
2100 for(i=0;i<nb_output_files;i++) {
2101 os = output_files[i];
2102 if (av_write_header(os) < 0) {
2103 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2104 ret = AVERROR(EINVAL);
2105 goto dump_format;
2106 }
2107 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2108 want_sdp = 0;
2109 }
2110 }
2111
2112 dump_format:
2113 /* dump the file output parameters - cannot be done before in case
2114 of stream copy */
2115 for(i=0;i<nb_output_files;i++) {
2116 dump_format(output_files[i], i, output_files[i]->filename, 1);
2117 }
2118
2119 /* dump the stream mapping */
2120 if (verbose >= 0) {
2121 fprintf(stderr, "Stream mapping:\n");
2122 for(i=0;i<nb_ostreams;i++) {
2123 ost = ost_table[i];
2124 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2125 ist_table[ost->source_index]->file_index,
2126 ist_table[ost->source_index]->index,
2127 ost->file_index,
2128 ost->index);
2129 if (ost->sync_ist != ist_table[ost->source_index])
2130 fprintf(stderr, " [sync #%d.%d]",
2131 ost->sync_ist->file_index,
2132 ost->sync_ist->index);
2133 fprintf(stderr, "\n");
2134 }
2135 }
2136
2137 if (ret) {
2138 fprintf(stderr, "%s\n", error);
2139 goto fail;
2140 }
2141
2142 if (want_sdp) {
2143 print_sdp(output_files, nb_output_files);
2144 }
2145
2146 if (!using_stdin && verbose >= 0) {
2147 fprintf(stderr, "Press [q] to stop encoding\n");
2148 url_set_interrupt_cb(decode_interrupt_cb);
2149 }
2150 term_init();
2151
2152 timer_start = av_gettime();
2153
2154 for(; received_sigterm == 0;) {
2155 int file_index, ist_index;
2156 AVPacket pkt;
2157 double ipts_min;
2158 double opts_min;
2159
2160 redo:
2161 ipts_min= 1e100;
2162 opts_min= 1e100;
2163 /* if 'q' pressed, exits */
2164 if (!using_stdin) {
2165 if (q_pressed)
2166 break;
2167 /* read_key() returns 0 on EOF */
2168 key = read_key();
2169 if (key == 'q')
2170 break;
2171 }
2172
2173 /* select the stream that we must read now by looking at the
2174 smallest output pts */
2175 file_index = -1;
2176 for(i=0;i<nb_ostreams;i++) {
2177 double ipts, opts;
2178 ost = ost_table[i];
2179 os = output_files[ost->file_index];
2180 ist = ist_table[ost->source_index];
2181 if(no_packet[ist->file_index])
2182 continue;
2183 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2184 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2185 else
2186 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2187 ipts = (double)ist->pts;
2188 if (!file_table[ist->file_index].eof_reached){
2189 if(ipts < ipts_min) {
2190 ipts_min = ipts;
2191 if(input_sync ) file_index = ist->file_index;
2192 }
2193 if(opts < opts_min) {
2194 opts_min = opts;
2195 if(!input_sync) file_index = ist->file_index;
2196 }
2197 }
2198 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2199 file_index= -1;
2200 break;
2201 }
2202 }
2203 /* if none, if is finished */
2204 if (file_index < 0) {
2205 if(no_packet_count){
2206 no_packet_count=0;
2207 memset(no_packet, 0, sizeof(no_packet));
2208 usleep(10000);
2209 continue;
2210 }
2211 break;
2212 }
2213
2214 /* finish if recording time exhausted */
2215 if (opts_min >= (recording_time / 1000000.0))
2216 break;
2217
2218 /* finish if limit size exhausted */
2219 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2220 break;
2221
2222 /* read a frame from it and output it in the fifo */
2223 is = input_files[file_index];
2224 ret= av_read_frame(is, &pkt);
2225 if(ret == AVERROR(EAGAIN)){
2226 no_packet[file_index]=1;
2227 no_packet_count++;
2228 continue;
2229 }
2230 if (ret < 0) {
2231 file_table[file_index].eof_reached = 1;
2232 if (opt_shortest)
2233 break;
2234 else
2235 continue;
2236 }
2237
2238 no_packet_count=0;
2239 memset(no_packet, 0, sizeof(no_packet));
2240
2241 if (do_pkt_dump) {
2242 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2243 }
2244 /* the following test is needed in case new streams appear
2245 dynamically in stream : we ignore them */
2246 if (pkt.stream_index >= file_table[file_index].nb_streams)
2247 goto discard_packet;
2248 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2249 ist = ist_table[ist_index];
2250 if (ist->discard)
2251 goto discard_packet;
2252
2253 if (pkt.dts != AV_NOPTS_VALUE)
2254 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2255 if (pkt.pts != AV_NOPTS_VALUE)
2256 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2257
2258 if(input_files_ts_scale[file_index][pkt.stream_index]){
2259 if(pkt.pts != AV_NOPTS_VALUE)
2260 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2261 if(pkt.dts != AV_NOPTS_VALUE)
2262 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2263 }
2264
2265 // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files_ts_offset[ist->file_index], ist->st->codec->codec_type);
2266 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2267 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2268 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2269 int64_t delta= pkt_dts - ist->next_pts;
2270 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2271 input_files_ts_offset[ist->file_index]-= delta;
2272 if (verbose > 2)
2273 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2274 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2275 if(pkt.pts != AV_NOPTS_VALUE)
2276 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2277 }
2278 }
2279
2280 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2281 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2282
2283 if (verbose >= 0)
2284 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2285 ist->file_index, ist->index);
2286 if (exit_on_error)
2287 av_exit(1);
2288 av_free_packet(&pkt);
2289 goto redo;
2290 }
2291
2292 discard_packet:
2293 av_free_packet(&pkt);
2294
2295 /* dump report by using the output first video and audio streams */
2296 print_report(output_files, ost_table, nb_ostreams, 0);
2297 }
2298
2299 /* at the end of stream, we must flush the decoder buffers */
2300 for(i=0;i<nb_istreams;i++) {
2301 ist = ist_table[i];
2302 if (ist->decoding_needed) {
2303 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2304 }
2305 }
2306
2307 term_exit();
2308
2309 /* write the trailer if needed and close file */
2310 for(i=0;i<nb_output_files;i++) {
2311 os = output_files[i];
2312 av_write_trailer(os);
2313 }
2314
2315 /* dump report by using the first video and audio streams */
2316 print_report(output_files, ost_table, nb_ostreams, 1);
2317
2318 /* close each encoder */
2319 for(i=0;i<nb_ostreams;i++) {
2320 ost = ost_table[i];
2321 if (ost->encoding_needed) {
2322 av_freep(&ost->st->codec->stats_in);
2323 avcodec_close(ost->st->codec);
2324 }
2325 }
2326
2327 /* close each decoder */
2328 for(i=0;i<nb_istreams;i++) {
2329 ist = ist_table[i];
2330 if (ist->decoding_needed) {
2331 avcodec_close(ist->st->codec);
2332 }
2333 }
2334
2335 /* finished ! */
2336 ret = 0;
2337
2338 fail:
2339 av_freep(&bit_buffer);
2340 av_free(file_table);
2341
2342 if (ist_table) {
2343 for(i=0;i<nb_istreams;i++) {
2344 ist = ist_table[i];
2345 av_free(ist);
2346 }
2347 av_free(ist_table);
2348 }
2349 if (ost_table) {
2350 for(i=0;i<nb_ostreams;i++) {
2351 ost = ost_table[i];
2352 if (ost) {
2353 if (ost->logfile) {
2354 fclose(ost->logfile);
2355 ost->logfile = NULL;
2356 }
2357 av_fifo_free(ost->fifo); /* works even if fifo is not
2358 initialized but set to zero */
2359 av_free(ost->pict_tmp.data[0]);
2360 if (ost->video_resample)
2361 sws_freeContext(ost->img_resample_ctx);
2362 if (ost->resample)
2363 audio_resample_close(ost->resample);
2364 if (ost->reformat_ctx)
2365 av_audio_convert_free(ost->reformat_ctx);
2366 av_free(ost);
2367 }
2368 }
2369 av_free(ost_table);
2370 }
2371 return ret;
2372 }
2373
2374 #if 0
2375 int file_read(const char *filename)
2376 {
2377 URLContext *h;
2378 unsigned char buffer[1024];
2379 int len, i;
2380
2381 if (url_open(&h, filename, O_RDONLY) < 0) {
2382 printf("could not open '%s'\n", filename);
2383 return -1;
2384 }
2385 for(;;) {
2386 len = url_read(h, buffer, sizeof(buffer));
2387 if (len <= 0)
2388 break;
2389 for(i=0;i<len;i++) putchar(buffer[i]);
2390 }
2391 url_close(h);
2392 return 0;
2393 }
2394 #endif
2395
2396 static void opt_format(const char *arg)
2397 {
2398 /* compatibility stuff for pgmyuv */
2399 if (!strcmp(arg, "pgmyuv")) {
2400 pgmyuv_compatibility_hack=1;
2401 // opt_image_format(arg);
2402 arg = "image2";
2403 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2404 }
2405
2406 file_iformat = av_find_input_format(arg);
2407 file_oformat = guess_format(arg, NULL, NULL);
2408 if (!file_iformat && !file_oformat) {
2409 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2410 av_exit(1);
2411 }
2412 }
2413
2414 static void opt_video_rc_override_string(const char *arg)
2415 {
2416 video_rc_override_string = arg;
2417 }
2418
2419 static int opt_me_threshold(const char *opt, const char *arg)
2420 {
2421 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2422 return 0;
2423 }
2424
2425 static int opt_verbose(const char *opt, const char *arg)
2426 {
2427 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2428 return 0;
2429 }
2430
2431 static int opt_frame_rate(const char *opt, const char *arg)
2432 {
2433 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2434 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2435 av_exit(1);
2436 }
2437 return 0;
2438 }
2439
2440 static int opt_bitrate(const char *opt, const char *arg)
2441 {
2442 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2443
2444 opt_default(opt, arg);
2445
2446 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2447 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2448
2449 return 0;
2450 }
2451
2452 static void opt_frame_crop_top(const char *arg)
2453 {
2454 frame_topBand = atoi(arg);
2455 if (frame_topBand < 0) {
2456 fprintf(stderr, "Incorrect top crop size\n");
2457 av_exit(1);
2458 }
2459 if ((frame_topBand) >= frame_height){
2460 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2461 av_exit(1);
2462 }
2463 frame_height -= frame_topBand;
2464 }
2465
2466 static void opt_frame_crop_bottom(const char *arg)
2467 {
2468 frame_bottomBand = atoi(arg);
2469 if (frame_bottomBand < 0) {
2470 fprintf(stderr, "Incorrect bottom crop size\n");
2471 av_exit(1);
2472 }
2473 if ((frame_bottomBand) >= frame_height){
2474 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2475 av_exit(1);
2476 }
2477 frame_height -= frame_bottomBand;
2478 }
2479
2480 static void opt_frame_crop_left(const char *arg)
2481 {
2482 frame_leftBand = atoi(arg);
2483 if (frame_leftBand < 0) {
2484 fprintf(stderr, "Incorrect left crop size\n");
2485 av_exit(1);
2486 }
2487 if ((frame_leftBand) >= frame_width){
2488 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2489 av_exit(1);
2490 }
2491 frame_width -= frame_leftBand;
2492 }
2493
2494 static void opt_frame_crop_right(const char *arg)
2495 {
2496 frame_rightBand = atoi(arg);
2497 if (frame_rightBand < 0) {
2498 fprintf(stderr, "Incorrect right crop size\n");
2499 av_exit(1);
2500 }
2501 if ((frame_rightBand) >= frame_width){
2502 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2503 av_exit(1);
2504 }
2505 frame_width -= frame_rightBand;
2506 }
2507
2508 static void opt_frame_size(const char *arg)
2509 {
2510 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2511 fprintf(stderr, "Incorrect frame size\n");
2512 av_exit(1);
2513 }
2514 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2515 fprintf(stderr, "Frame size must be a multiple of 2\n");
2516 av_exit(1);
2517 }
2518 }
2519
2520 static void opt_pad_color(const char *arg) {
2521 /* Input is expected to be six hex digits similar to
2522 how colors are expressed in html tags (but without the #) */
2523 int rgb = strtol(arg, NULL, 16);
2524 int r,g,b;
2525
2526 r = (rgb >> 16);
2527 g = ((rgb >> 8) & 255);
2528 b = (rgb & 255);
2529
2530 padcolor[0] = RGB_TO_Y(r,g,b);
2531 padcolor[1] = RGB_TO_U(r,g,b,0);
2532 padcolor[2] = RGB_TO_V(r,g,b,0);
2533 }
2534
2535 static void opt_frame_pad_top(const char *arg)
2536 {
2537 frame_padtop = atoi(arg);
2538 if (frame_padtop < 0) {
2539 fprintf(stderr, "Incorrect top pad size\n");
2540 av_exit(1);
2541 }
2542 }
2543
2544 static void opt_frame_pad_bottom(const char *arg)
2545 {
2546 frame_padbottom = atoi(arg);
2547 if (frame_padbottom < 0) {
2548 fprintf(stderr, "Incorrect bottom pad size\n");
2549 av_exit(1);
2550 }
2551 }
2552
2553
2554 static void opt_frame_pad_left(const char *arg)
2555 {
2556 frame_padleft = atoi(arg);
2557 if (frame_padleft < 0) {
2558 fprintf(stderr, "Incorrect left pad size\n");
2559 av_exit(1);
2560 }
2561 }
2562
2563
2564 static void opt_frame_pad_right(const char *arg)
2565 {
2566 frame_padright = atoi(arg);
2567 if (frame_padright < 0) {
2568 fprintf(stderr, "Incorrect right pad size\n");
2569 av_exit(1);
2570 }
2571 }
2572
2573 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2574 {
2575 int i;
2576 char fmt_str[128];
2577 for (i=-1; i < nb_fmts; i++) {
2578 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2579 fprintf(stdout, "%s\n", fmt_str);
2580 }
2581 }
2582
2583 static void opt_frame_pix_fmt(const char *arg)
2584 {
2585 if (strcmp(arg, "list")) {
2586 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2587 if (frame_pix_fmt == PIX_FMT_NONE) {
2588 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2589 av_exit(1);
2590 }
2591 } else {
2592 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2593 av_exit(0);
2594 }
2595 }
2596
2597 static void opt_frame_aspect_ratio(const char *arg)
2598 {
2599 int x = 0, y = 0;
2600 double ar = 0;
2601 const char *p;
2602 char *end;
2603
2604 p = strchr(arg, ':');
2605 if (p) {
2606 x = strtol(arg, &end, 10);
2607 if (end == p)
2608 y = strtol(end+1, &end, 10);
2609 if (x > 0 && y > 0)
2610 ar = (double)x / (double)y;
2611 } else
2612 ar = strtod(arg, NULL);
2613
2614 if (!ar) {
2615 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2616 av_exit(1);
2617 }
2618 frame_aspect_ratio = ar;
2619 }
2620
2621 static int opt_metadata(const char *opt, const char *arg)
2622 {
2623 char *mid= strchr(arg, '=');
2624
2625 if(!mid){
2626 fprintf(stderr, "Missing =\n");
2627 av_exit(1);
2628 }
2629 *mid++= 0;
2630
2631 metadata_count++;
2632 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2633 metadata[metadata_count-1].key = av_strdup(arg);
2634 metadata[metadata_count-1].value= av_strdup(mid);
2635
2636 return 0;
2637 }
2638
2639 static void opt_qscale(const char *arg)
2640 {
2641 video_qscale = atof(arg);
2642 if (video_qscale <= 0 ||
2643 video_qscale > 255) {
2644 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2645 av_exit(1);
2646 }
2647 }
2648
2649 static void opt_top_field_first(const char *arg)
2650 {
2651 top_field_first= atoi(arg);
2652 }
2653
2654 static int opt_thread_count(const char *opt, const char *arg)
2655 {
2656 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2657 #if !HAVE_THREADS
2658 if (verbose >= 0)
2659 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2660 #endif
2661 return 0;
2662 }
2663
2664 static void opt_audio_sample_fmt(const char *arg)
2665 {
2666 if (strcmp(arg, "list"))
2667 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2668 else {
2669 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2670 av_exit(0);
2671 }
2672 }
2673
2674 static int opt_audio_rate(const char *opt, const char *arg)
2675 {
2676 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2677 return 0;
2678 }
2679
2680 static int opt_audio_channels(const char *opt, const char *arg)
2681 {
2682 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2683 return 0;
2684 }
2685
2686 static void opt_video_channel(const char *arg)
2687 {
2688 video_channel = strtol(arg, NULL, 0);
2689 }
2690
2691 static void opt_video_standard(const char *arg)
2692 {
2693 video_standard = av_strdup(arg);
2694 }
2695
2696 static void opt_codec(int *pstream_copy, char **pcodec_name,
2697 int codec_type, const char *arg)
2698 {
2699 av_freep(pcodec_name);
2700 if (!strcmp(arg, "copy")) {
2701 *pstream_copy = 1;
2702 } else {
2703 *pcodec_name = av_strdup(arg);
2704 }
2705 }
2706
2707 static void opt_audio_codec(const char *arg)
2708 {
2709 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2710 }
2711
2712 static void opt_audio_tag(const char *arg)
2713 {
2714 char *tail;
2715 audio_codec_tag= strtol(arg, &tail, 0);
2716
2717 if(!tail || *tail)
2718 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2719 }
2720
2721 static void opt_video_tag(const char *arg)
2722 {
2723 char *tail;
2724 video_codec_tag= strtol(arg, &tail, 0);
2725
2726 if(!tail || *tail)
2727 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2728 }
2729
2730 static void opt_video_codec(const char *arg)
2731 {
2732 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2733 }
2734
2735 static void opt_subtitle_codec(const char *arg)
2736 {
2737 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2738 }
2739
2740 static void opt_subtitle_tag(const char *arg)
2741 {
2742 char *tail;
2743 subtitle_codec_tag= strtol(arg, &tail, 0);
2744
2745 if(!tail || *tail)
2746 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2747 }
2748
2749 static void opt_map(const char *arg)
2750 {
2751 AVStreamMap *m;
2752 char *p;
2753
2754 m = &stream_maps[nb_stream_maps++];
2755
2756 m->file_index = strtol(arg, &p, 0);
2757 if (*p)
2758 p++;
2759
2760 m->stream_index = strtol(p, &p, 0);
2761 if (*p) {
2762 p++;
2763 m->sync_file_index = strtol(p, &p, 0);
2764 if (*p)
2765 p++;
2766 m->sync_stream_index = strtol(p, &p, 0);
2767 } else {
2768 m->sync_file_index = m->file_index;
2769 m->sync_stream_index = m->stream_index;
2770 }
2771 }
2772
2773 static void opt_map_meta_data(const char *arg)
2774 {
2775 AVMetaDataMap *m;
2776 char *p;
2777
2778 m = &meta_data_maps[nb_meta_data_maps++];
2779
2780 m->out_file = strtol(arg, &p, 0);
2781 if (*p)
2782 p++;
2783
2784 m->in_file = strtol(p, &p, 0);
2785 }
2786
2787 static void opt_input_ts_scale(const char *arg)
2788 {
2789 unsigned int stream;
2790 double scale;
2791 char *p;
2792
2793 stream = strtol(arg, &p, 0);
2794 if (*p)
2795 p++;
2796 scale= strtod(p, &p);
2797
2798 if(stream >= MAX_STREAMS)
2799 av_exit(1);
2800
2801 input_files_ts_scale[nb_input_files][stream]= scale;
2802 }
2803
2804 static int opt_recording_time(const char *opt, const char *arg)
2805 {
2806 recording_time = parse_time_or_die(opt, arg, 1);
2807 return 0;
2808 }
2809
2810 static int opt_start_time(const char *opt, const char *arg)
2811 {
2812 start_time = parse_time_or_die(opt, arg, 1);
2813 return 0;
2814 }
2815
2816 static int opt_rec_timestamp(const char *opt, const char *arg)
2817 {
2818 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2819 return 0;
2820 }
2821
2822 static int opt_input_ts_offset(const char *opt, const char *arg)
2823 {
2824 input_ts_offset = parse_time_or_die(opt, arg, 1);
2825 return 0;
2826 }
2827
2828 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2829 {
2830 const char *codec_string = encoder ? "encoder" : "decoder";
2831 AVCodec *codec;
2832
2833 if(!name)
2834 return CODEC_ID_NONE;
2835 codec = encoder ?
2836 avcodec_find_encoder_by_name(name) :
2837 avcodec_find_decoder_by_name(name);
2838 if(!codec) {
2839 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2840 av_exit(1);
2841 }
2842 if(codec->type != type) {
2843 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2844 av_exit(1);
2845 }
2846 return codec->id;
2847 }
2848
2849 static void opt_input_file(const char *filename)
2850 {
2851 AVFormatContext *ic;
2852 AVFormatParameters params, *ap = &params;
2853 int err, i, ret, rfps, rfps_base;
2854 int64_t timestamp;
2855
2856 if (!strcmp(filename, "-"))
2857 filename = "pipe:";
2858
2859 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2860 !strcmp(filename, "/dev/stdin");
2861
2862 /* get default parameters from command line */
2863 ic = avformat_alloc_context();
2864
2865 memset(ap, 0, sizeof(*ap));
2866 ap->prealloced_context = 1;
2867 ap->sample_rate = audio_sample_rate;
2868 ap->channels = audio_channels;
2869 ap->time_base.den = frame_rate.num;
2870 ap->time_base.num = frame_rate.den;
2871 ap->width = frame_width + frame_padleft + frame_padright;
2872 ap->height = frame_height + frame_padtop + frame_padbottom;
2873 ap->pix_fmt = frame_pix_fmt;
2874 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2875 ap->channel = video_channel;
2876 ap->standard = video_standard;
2877 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2878 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2879 if(pgmyuv_compatibility_hack)
2880 ap->video_codec_id= CODEC_ID_PGMYUV;
2881
2882 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2883
2884 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2885 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2886 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2887 ic->flags |= AVFMT_FLAG_NONBLOCK;
2888
2889 /* open the input file with generic libav function */
2890 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2891 if (err < 0) {
2892 print_error(filename, err);
2893 av_exit(1);
2894 }
2895 if(opt_programid) {
2896 int i;
2897 for(i=0; i<ic->nb_programs; i++)
2898 if(ic->programs[i]->id != opt_programid)
2899 ic->programs[i]->discard = AVDISCARD_ALL;
2900 }
2901
2902 ic->loop_input = loop_input;
2903
2904 /* If not enough info to get the stream parameters, we decode the
2905 first frames to get it. (used in mpeg case for example) */
2906 ret = av_find_stream_info(ic);
2907 if (ret < 0 && verbose >= 0) {
2908 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2909 av_exit(1);
2910 }
2911
2912 timestamp = start_time;
2913 /* add the stream start time */
2914 if (ic->start_time != AV_NOPTS_VALUE)
2915 timestamp += ic->start_time;
2916
2917 /* if seeking requested, we execute it */
2918 if (start_time != 0) {
2919 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2920 if (ret < 0) {
2921 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2922 filename, (double)timestamp / AV_TIME_BASE);
2923 }
2924 /* reset seek info */
2925 start_time = 0;
2926 }
2927
2928 /* update the current parameters so that they match the one of the input stream */
2929 for(i=0;i<ic->nb_streams;i++) {
2930 AVCodecContext *enc = ic->streams[i]->codec;
2931 if(thread_count>1)
2932 avcodec_thread_init(enc, thread_count);
2933 enc->thread_count= thread_count;
2934 switch(enc->codec_type) {
2935 case CODEC_TYPE_AUDIO:
2936 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2937 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2938 channel_layout = enc->channel_layout;
2939 audio_channels = enc->channels;
2940 audio_sample_rate = enc->sample_rate;
2941 audio_sample_fmt = enc->sample_fmt;
2942 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2943 if(audio_disable)
2944 ic->streams[i]->discard= AVDISCARD_ALL;
2945 break;
2946 case CODEC_TYPE_VIDEO:
2947 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2948 frame_height = enc->height;
2949 frame_width = enc->width;
2950 if(ic->streams[i]->sample_aspect_ratio.num)
2951 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2952 else
2953 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2954 frame_aspect_ratio *= (float) enc->width / enc->height;
2955 frame_pix_fmt = enc->pix_fmt;
2956 rfps = ic->streams[i]->r_frame_rate.num;
2957 rfps_base = ic->streams[i]->r_frame_rate.den;
2958 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2959 if(me_threshold)
2960 enc->debug |= FF_DEBUG_MV;
2961
2962 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2963
2964 if (verbose >= 0)
2965 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2966 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2967
2968 (float)rfps / rfps_base, rfps, rfps_base);
2969 }
2970 /* update the current frame rate to match the stream frame rate */
2971 frame_rate.num = rfps;
2972 frame_rate.den = rfps_base;
2973
2974 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2975 if(video_disable)
2976 ic->streams[i]->discard= AVDISCARD_ALL;
2977 else if(video_discard)
2978 ic->streams[i]->discard= video_discard;
2979 break;
2980 case CODEC_TYPE_DATA:
2981 break;
2982 case CODEC_TYPE_SUBTITLE:
2983 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2984 if(subtitle_disable)
2985 ic->streams[i]->discard = AVDISCARD_ALL;
2986 break;
2987 case CODEC_TYPE_ATTACHMENT:
2988 case CODEC_TYPE_UNKNOWN:
2989 nb_icodecs++;
2990 break;
2991 default:
2992 abort();
2993 }
2994 }
2995
2996 input_files[nb_input_files] = ic;
2997 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2998 /* dump the file content */
2999 if (verbose >= 0)
3000 dump_format(ic, nb_input_files, filename, 0);
3001
3002 nb_input_files++;
3003 file_iformat = NULL;
3004 file_oformat = NULL;
3005
3006 video_channel = 0;
3007
3008 av_freep(&video_codec_name);
3009 av_freep(&audio_codec_name);
3010 av_freep(&subtitle_codec_name);
3011 }
3012
3013 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
3014 int *has_subtitle_ptr)
3015 {
3016 int has_video, has_audio, has_subtitle, i, j;
3017 AVFormatContext *ic;
3018
3019 has_video = 0;
3020 has_audio = 0;
3021 has_subtitle = 0;
3022 for(j=0;j<nb_input_files;j++) {
3023 ic = input_files[j];
3024 for(i=0;i<ic->nb_streams;i++) {
3025 AVCodecContext *enc = ic->streams[i]->codec;
3026 switch(enc->codec_type) {
3027 case CODEC_TYPE_AUDIO:
3028 has_audio = 1;
3029 break;
3030 case CODEC_TYPE_VIDEO:
3031 has_video = 1;
3032 break;
3033 case CODEC_TYPE_SUBTITLE:
3034 has_subtitle = 1;
3035 break;
3036 case CODEC_TYPE_DATA:
3037 case CODEC_TYPE_ATTACHMENT:
3038 case CODEC_TYPE_UNKNOWN:
3039 break;
3040 default:
3041 abort();
3042 }
3043 }
3044 }
3045 *has_video_ptr = has_video;
3046 *has_audio_ptr = has_audio;
3047 *has_subtitle_ptr = has_subtitle;
3048 }
3049
3050 static void new_video_stream(AVFormatContext *oc)
3051 {
3052 AVStream *st;
3053 AVCodecContext *video_enc;
3054 enum CodecID codec_id;
3055
3056 st = av_new_stream(oc, oc->nb_streams);
3057 if (!st) {
3058 fprintf(stderr, "Could not alloc stream\n");
3059 av_exit(1);
3060 }
3061 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
3062 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3063 video_bitstream_filters= NULL;
3064
3065 if(thread_count>1)
3066 avcodec_thread_init(st->codec, thread_count);
3067
3068 video_enc = st->codec;
3069
3070 if(video_codec_tag)
3071 video_enc->codec_tag= video_codec_tag;
3072
3073 if( (video_global_header&1)
3074 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3075 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3076 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3077 }
3078 if(video_global_header&2){
3079 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3080 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3081 }
3082
3083 if (video_stream_copy) {
3084 st->stream_copy = 1;
3085 video_enc->codec_type = CODEC_TYPE_VIDEO;
3086 video_enc->sample_aspect_ratio =
3087 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3088 } else {
3089 const char *p;
3090 int i;
3091 AVCodec *codec;
3092 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3093
3094 if (video_codec_name) {
3095 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3096 codec = avcodec_find_encoder_by_name(video_codec_name);
3097 output_codecs[nb_ocodecs] = codec;
3098 } else {
3099 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3100 codec = avcodec_find_encoder(codec_id);
3101 }
3102
3103 video_enc->codec_id = codec_id;
3104
3105 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3106
3107 if (codec && codec->supported_framerates && !force_fps)
3108 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3109 video_enc->time_base.den = fps.num;
3110 video_enc->time_base.num = fps.den;
3111
3112 video_enc->width = frame_width + frame_padright + frame_padleft;
3113 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3114 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3115 video_enc->pix_fmt = frame_pix_fmt;
3116 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3117
3118 if(codec && codec->pix_fmts){
3119 const enum PixelFormat *p= codec->pix_fmts;
3120 for(; *p!=-1; p++){
3121 if(*p == video_enc->pix_fmt)
3122 break;
3123 }
3124 if(*p == -1)
3125 video_enc->pix_fmt = codec->pix_fmts[0];
3126 }
3127
3128 if (intra_only)
3129 video_enc->gop_size = 0;
3130 if (video_qscale || same_quality) {
3131 video_enc->flags |= CODEC_FLAG_QSCALE;
3132 video_enc->global_quality=
3133 st->quality = FF_QP2LAMBDA * video_qscale;
3134 }
3135
3136 if(intra_matrix)
3137 video_enc->intra_matrix = intra_matrix;
3138 if(inter_matrix)
3139 video_enc->inter_matrix = inter_matrix;
3140
3141 video_enc->thread_count = thread_count;
3142 p= video_rc_override_string;
3143 for(i=0; p; i++){
3144 int start, end, q;
3145 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3146 if(e!=3){
3147 fprintf(stderr, "error parsing rc_override\n");
3148 av_exit(1);
3149 }
3150 video_enc->rc_override=
3151 av_realloc(video_enc->rc_override,
3152 sizeof(RcOverride)*(i+1));
3153 video_enc->rc_override[i].start_frame= start;
3154 video_enc->rc_override[i].end_frame = end;
3155 if(q>0){
3156 video_enc->rc_override[i].qscale= q;
3157 video_enc->rc_override[i].quality_factor= 1.0;
3158 }
3159 else{
3160 video_enc->rc_override[i].qscale= 0;
3161 video_enc->rc_override[i].quality_factor= -q/100.0;
3162 }
3163 p= strchr(p, '/');
3164 if(p) p++;
3165 }
3166 video_enc->rc_override_count=i;
3167 if (!video_enc->rc_initial_buffer_occupancy)
3168 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3169 video_enc->me_threshold= me_threshold;
3170 video_enc->intra_dc_precision= intra_dc_precision - 8;
3171
3172 if (do_psnr)
3173 video_enc->flags|= CODEC_FLAG_PSNR;
3174
3175 /* two pass mode */
3176 if (do_pass) {
3177 if (do_pass == 1) {
3178 video_enc->flags |= CODEC_FLAG_PASS1;
3179 } else {
3180 video_enc->flags |= CODEC_FLAG_PASS2;
3181 }
3182 }
3183 }
3184 nb_ocodecs++;
3185
3186 /* reset some key parameters */
3187 video_disable = 0;
3188 av_freep(&video_codec_name);
3189 video_stream_copy = 0;
3190 }
3191
3192 static void new_audio_stream(AVFormatContext *oc)
3193 {