Make cmdutils.c:parse_options accept as argument a function to parse
[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 #include "config.h"
23 #include <ctype.h>
24 #include <string.h>
25 #include <math.h>
26 #include <stdlib.h>
27 #include <errno.h>
28 #include <signal.h>
29 #include <limits.h>
30 #include "avformat.h"
31 #include "swscale.h"
32 #include "framehook.h"
33 #include "opt.h"
34 #include "fifo.h"
35 #include "avstring.h"
36
37 #if !defined(HAVE_GETRUSAGE) && defined(HAVE_GETPROCESSTIMES)
38 #include <windows.h>
39 #endif
40
41 #if defined(HAVE_TERMIOS_H)
42 #include <unistd.h>
43 #include <fcntl.h>
44 #include <sys/ioctl.h>
45 #include <sys/time.h>
46 #include <termios.h>
47 #include <sys/resource.h>
48 #elif defined(HAVE_CONIO_H)
49 #include <conio.h>
50 #endif
51 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
52 #include <time.h>
53
54 #include "version.h"
55 #include "cmdutils.h"
56
57 #undef NDEBUG
58 #include <assert.h>
59
60 #if !defined(INFINITY) && defined(HUGE_VAL)
61 #define INFINITY HUGE_VAL
62 #endif
63
64 #undef exit
65
66 /* select an input stream for an output stream */
67 typedef struct AVStreamMap {
68 int file_index;
69 int stream_index;
70 int sync_file_index;
71 int sync_stream_index;
72 } AVStreamMap;
73
74 /** select an input file for an output file */
75 typedef struct AVMetaDataMap {
76 int out_file;
77 int in_file;
78 } AVMetaDataMap;
79
80 extern const OptionDef options[];
81
82 static void show_help(void);
83 static void opt_show_license(void);
84 static int opt_default(const char *opt, const char *arg);
85
86 #define MAX_FILES 20
87
88 static AVFormatContext *input_files[MAX_FILES];
89 static int64_t input_files_ts_offset[MAX_FILES];
90 static int nb_input_files = 0;
91
92 static AVFormatContext *output_files[MAX_FILES];
93 static int nb_output_files = 0;
94
95 static AVStreamMap stream_maps[MAX_FILES];
96 static int nb_stream_maps;
97
98 static AVMetaDataMap meta_data_maps[MAX_FILES];
99 static int nb_meta_data_maps;
100
101 static AVInputFormat *file_iformat;
102 static AVOutputFormat *file_oformat;
103 static int frame_width = 0;
104 static int frame_height = 0;
105 static float frame_aspect_ratio = 0;
106 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
107 static int frame_padtop = 0;
108 static int frame_padbottom = 0;
109 static int frame_padleft = 0;
110 static int frame_padright = 0;
111 static int padcolor[3] = {16,128,128}; /* default to black */
112 static int frame_topBand = 0;
113 static int frame_bottomBand = 0;
114 static int frame_leftBand = 0;
115 static int frame_rightBand = 0;
116 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
117 static AVRational frame_rate = (AVRational) {25,1};
118 static float video_qscale = 0;
119 static int video_qdiff = 3;
120 static uint16_t *intra_matrix = NULL;
121 static uint16_t *inter_matrix = NULL;
122 #if 0 //experimental, (can be removed)
123 static float video_rc_qsquish=1.0;
124 static float video_rc_qmod_amp=0;
125 static int video_rc_qmod_freq=0;
126 #endif
127 static char *video_rc_override_string=NULL;
128 static char *video_rc_eq="tex^qComp";
129 static int video_disable = 0;
130 static int video_discard = 0;
131 static char *video_codec_name = NULL;
132 static int video_codec_tag = 0;
133 static int same_quality = 0;
134 static int do_deinterlace = 0;
135 static int strict = 0;
136 static int top_field_first = -1;
137 static int me_threshold = 0;
138 static int intra_dc_precision = 8;
139 static int loop_input = 0;
140 static int loop_output = AVFMT_NOOUTPUTLOOP;
141 static int qp_hist = 0;
142
143 static int intra_only = 0;
144 static int audio_sample_rate = 44100;
145 #define QSCALE_NONE -99999
146 static float audio_qscale = QSCALE_NONE;
147 static int audio_disable = 0;
148 static int audio_channels = 1;
149 static char *audio_codec_name = NULL;
150 static int audio_codec_tag = 0;
151 static char *audio_language = NULL;
152
153 static int subtitle_disable = 0;
154 static char *subtitle_codec_name = NULL;
155 static char *subtitle_language = NULL;
156
157 static float mux_preload= 0.5;
158 static float mux_max_delay= 0.7;
159
160 static int64_t recording_time = 0;
161 static int64_t start_time = 0;
162 static int64_t rec_timestamp = 0;
163 static int64_t input_ts_offset = 0;
164 static int file_overwrite = 0;
165 static char *str_title = NULL;
166 static char *str_author = NULL;
167 static char *str_copyright = NULL;
168 static char *str_comment = NULL;
169 static char *str_album = NULL;
170 static int do_benchmark = 0;
171 static int do_hex_dump = 0;
172 static int do_pkt_dump = 0;
173 static int do_psnr = 0;
174 static int do_pass = 0;
175 static char *pass_logfilename = NULL;
176 static int audio_stream_copy = 0;
177 static int video_stream_copy = 0;
178 static int subtitle_stream_copy = 0;
179 static int video_sync_method= 1;
180 static int audio_sync_method= 0;
181 static float audio_drift_threshold= 0.1;
182 static int copy_ts= 0;
183 static int opt_shortest = 0; //
184 static int video_global_header = 0;
185 static char *vstats_filename;
186 static FILE *fvstats;
187
188 static int rate_emu = 0;
189
190 static int video_channel = 0;
191 static char *video_standard;
192
193 static int audio_volume = 256;
194
195 static int using_stdin = 0;
196 static int using_vhook = 0;
197 static int verbose = 1;
198 static int thread_count= 1;
199 static int q_pressed = 0;
200 static int64_t video_size = 0;
201 static int64_t audio_size = 0;
202 static int64_t extra_size = 0;
203 static int nb_frames_dup = 0;
204 static int nb_frames_drop = 0;
205 static int input_sync;
206 static uint64_t limit_filesize = 0; //
207
208 static int pgmyuv_compatibility_hack=0;
209 static float dts_delta_threshold = 10;
210
211 static int sws_flags = SWS_BICUBIC;
212
213 static const char **opt_names;
214 static int opt_name_count;
215 static AVCodecContext *avctx_opts[CODEC_TYPE_NB];
216 static AVFormatContext *avformat_opts;
217 static struct SwsContext *sws_opts;
218 static int64_t timer_start;
219
220 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
221 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
222 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
223
224 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
225
226 struct AVInputStream;
227
228 typedef struct AVOutputStream {
229 int file_index; /* file index */
230 int index; /* stream index in the output file */
231 int source_index; /* AVInputStream index */
232 AVStream *st; /* stream in the output file */
233 int encoding_needed; /* true if encoding needed for this stream */
234 int frame_number;
235 /* input pts and corresponding output pts
236 for A/V sync */
237 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
238 struct AVInputStream *sync_ist; /* input stream to sync against */
239 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
240 /* video only */
241 int video_resample;
242 AVFrame pict_tmp; /* temporary image for resampling */
243 struct SwsContext *img_resample_ctx; /* for image resampling */
244 int resample_height;
245
246 int video_crop;
247 int topBand; /* cropping area sizes */
248 int leftBand;
249
250 int video_pad;
251 int padtop; /* padding area sizes */
252 int padbottom;
253 int padleft;
254 int padright;
255
256 /* audio only */
257 int audio_resample;
258 ReSampleContext *resample; /* for audio resampling */
259 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
260 FILE *logfile;
261 } AVOutputStream;
262
263 typedef struct AVInputStream {
264 int file_index;
265 int index;
266 AVStream *st;
267 int discard; /* true if stream data should be discarded */
268 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
269 int64_t sample_index; /* current sample */
270
271 int64_t start; /* time when read started */
272 unsigned long frame; /* current frame */
273 int64_t next_pts; /* synthetic pts for cases where pkt.pts
274 is not defined */
275 int64_t pts; /* current pts */
276 int is_start; /* is 1 at the start and after a discontinuity */
277 } AVInputStream;
278
279 typedef struct AVInputFile {
280 int eof_reached; /* true if eof reached */
281 int ist_index; /* index of first stream in ist_table */
282 int buffer_size; /* current total buffer size */
283 int nb_streams; /* nb streams we are aware of */
284 } AVInputFile;
285
286 #ifdef HAVE_TERMIOS_H
287
288 /* init terminal so that we can grab keys */
289 static struct termios oldtty;
290 #endif
291
292 static void term_exit(void)
293 {
294 #ifdef HAVE_TERMIOS_H
295 tcsetattr (0, TCSANOW, &oldtty);
296 #endif
297 }
298
299 static volatile sig_atomic_t received_sigterm = 0;
300
301 static void
302 sigterm_handler(int sig)
303 {
304 received_sigterm = sig;
305 term_exit();
306 }
307
308 static void term_init(void)
309 {
310 #ifdef HAVE_TERMIOS_H
311 struct termios tty;
312
313 tcgetattr (0, &tty);
314 oldtty = tty;
315
316 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
317 |INLCR|IGNCR|ICRNL|IXON);
318 tty.c_oflag |= OPOST;
319 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
320 tty.c_cflag &= ~(CSIZE|PARENB);
321 tty.c_cflag |= CS8;
322 tty.c_cc[VMIN] = 1;
323 tty.c_cc[VTIME] = 0;
324
325 tcsetattr (0, TCSANOW, &tty);
326 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
327 #endif
328
329 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
330 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
331 /*
332 register a function to be called at normal program termination
333 */
334 atexit(term_exit);
335 #ifdef CONFIG_BEOS_NETSERVER
336 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
337 #endif
338 }
339
340 /* read a key without blocking */
341 static int read_key(void)
342 {
343 #if defined(HAVE_TERMIOS_H)
344 int n = 1;
345 unsigned char ch;
346 #ifndef CONFIG_BEOS_NETSERVER
347 struct timeval tv;
348 fd_set rfds;
349
350 FD_ZERO(&rfds);
351 FD_SET(0, &rfds);
352 tv.tv_sec = 0;
353 tv.tv_usec = 0;
354 n = select(1, &rfds, NULL, NULL, &tv);
355 #endif
356 if (n > 0) {
357 n = read(0, &ch, 1);
358 if (n == 1)
359 return ch;
360
361 return n;
362 }
363 #elif defined(HAVE_CONIO_H)
364 if(kbhit())
365 return(getch());
366 #endif
367 return -1;
368 }
369
370 static int decode_interrupt_cb(void)
371 {
372 return q_pressed || (q_pressed = read_key() == 'q');
373 }
374
375 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
376 {
377 int i, err;
378 AVFormatContext *ic;
379
380 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
381 if (err < 0)
382 return err;
383 /* copy stream format */
384 s->nb_streams = ic->nb_streams;
385 for(i=0;i<ic->nb_streams;i++) {
386 AVStream *st;
387
388 // FIXME: a more elegant solution is needed
389 st = av_mallocz(sizeof(AVStream));
390 memcpy(st, ic->streams[i], sizeof(AVStream));
391 st->codec = avcodec_alloc_context();
392 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
393 s->streams[i] = st;
394 }
395
396 av_close_input_file(ic);
397 return 0;
398 }
399
400 static double
401 get_sync_ipts(const AVOutputStream *ost)
402 {
403 const AVInputStream *ist = ost->sync_ist;
404 return (double)(ist->pts - start_time)/AV_TIME_BASE;
405 }
406
407 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
408 while(bsfc){
409 AVPacket new_pkt= *pkt;
410 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
411 &new_pkt.data, &new_pkt.size,
412 pkt->data, pkt->size,
413 pkt->flags & PKT_FLAG_KEY);
414 if(a){
415 av_free_packet(pkt);
416 new_pkt.destruct= av_destruct_packet;
417 }
418 *pkt= new_pkt;
419
420 bsfc= bsfc->next;
421 }
422
423 av_interleaved_write_frame(s, pkt);
424 }
425
426 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
427
428 static void do_audio_out(AVFormatContext *s,
429 AVOutputStream *ost,
430 AVInputStream *ist,
431 unsigned char *buf, int size)
432 {
433 uint8_t *buftmp;
434 static uint8_t *audio_buf = NULL;
435 static uint8_t *audio_out = NULL;
436 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
437
438 int size_out, frame_bytes, ret;
439 AVCodecContext *enc= ost->st->codec;
440
441 /* SC: dynamic allocation of buffers */
442 if (!audio_buf)
443 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
444 if (!audio_out)
445 audio_out = av_malloc(audio_out_size);
446 if (!audio_buf || !audio_out)
447 return; /* Should signal an error ! */
448
449 if(audio_sync_method){
450 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
451 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
452 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
453 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
454
455 //FIXME resample delay
456 if(fabs(delta) > 50){
457 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
458 if(byte_delta < 0){
459 byte_delta= FFMAX(byte_delta, -size);
460 size += byte_delta;
461 buf -= byte_delta;
462 if(verbose > 2)
463 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
464 if(!size)
465 return;
466 ist->is_start=0;
467 }else{
468 static uint8_t *input_tmp= NULL;
469 input_tmp= av_realloc(input_tmp, byte_delta + size);
470
471 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
472 ist->is_start=0;
473 else
474 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
475
476 memset(input_tmp, 0, byte_delta);
477 memcpy(input_tmp + byte_delta, buf, size);
478 buf= input_tmp;
479 size += byte_delta;
480 if(verbose > 2)
481 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
482 }
483 }else if(audio_sync_method>1){
484 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
485 assert(ost->audio_resample);
486 if(verbose > 2)
487 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
488 // 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));
489 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
490 }
491 }
492 }else
493 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
494 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
495
496 if (ost->audio_resample) {
497 buftmp = audio_buf;
498 size_out = audio_resample(ost->resample,
499 (short *)buftmp, (short *)buf,
500 size / (ist->st->codec->channels * 2));
501 size_out = size_out * enc->channels * 2;
502 } else {
503 buftmp = buf;
504 size_out = size;
505 }
506
507 /* now encode as many frames as possible */
508 if (enc->frame_size > 1) {
509 /* output resampled raw samples */
510 av_fifo_write(&ost->fifo, buftmp, size_out);
511
512 frame_bytes = enc->frame_size * 2 * enc->channels;
513
514 while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
515 AVPacket pkt;
516 av_init_packet(&pkt);
517
518 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
519 (short *)audio_buf);
520 audio_size += ret;
521 pkt.stream_index= ost->index;
522 pkt.data= audio_out;
523 pkt.size= ret;
524 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
525 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
526 pkt.flags |= PKT_FLAG_KEY;
527 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
528
529 ost->sync_opts += enc->frame_size;
530 }
531 } else {
532 AVPacket pkt;
533 av_init_packet(&pkt);
534
535 ost->sync_opts += size_out / (2 * enc->channels);
536
537 /* output a pcm frame */
538 /* XXX: change encoding codec API to avoid this ? */
539 switch(enc->codec->id) {
540 case CODEC_ID_PCM_S32LE:
541 case CODEC_ID_PCM_S32BE:
542 case CODEC_ID_PCM_U32LE:
543 case CODEC_ID_PCM_U32BE:
544 size_out = size_out << 1;
545 break;
546 case CODEC_ID_PCM_S24LE:
547 case CODEC_ID_PCM_S24BE:
548 case CODEC_ID_PCM_U24LE:
549 case CODEC_ID_PCM_U24BE:
550 case CODEC_ID_PCM_S24DAUD:
551 size_out = size_out / 2 * 3;
552 break;
553 case CODEC_ID_PCM_S16LE:
554 case CODEC_ID_PCM_S16BE:
555 case CODEC_ID_PCM_U16LE:
556 case CODEC_ID_PCM_U16BE:
557 break;
558 default:
559 size_out = size_out >> 1;
560 break;
561 }
562 ret = avcodec_encode_audio(enc, audio_out, size_out,
563 (short *)buftmp);
564 audio_size += ret;
565 pkt.stream_index= ost->index;
566 pkt.data= audio_out;
567 pkt.size= ret;
568 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
569 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
570 pkt.flags |= PKT_FLAG_KEY;
571 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
572 }
573 }
574
575 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
576 {
577 AVCodecContext *dec;
578 AVPicture *picture2;
579 AVPicture picture_tmp;
580 uint8_t *buf = 0;
581
582 dec = ist->st->codec;
583
584 /* deinterlace : must be done before any resize */
585 if (do_deinterlace || using_vhook) {
586 int size;
587
588 /* create temporary picture */
589 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
590 buf = av_malloc(size);
591 if (!buf)
592 return;
593
594 picture2 = &picture_tmp;
595 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
596
597 if (do_deinterlace){
598 if(avpicture_deinterlace(picture2, picture,
599 dec->pix_fmt, dec->width, dec->height) < 0) {
600 /* if error, do not deinterlace */
601 av_free(buf);
602 buf = NULL;
603 picture2 = picture;
604 }
605 } else {
606 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
607 }
608 } else {
609 picture2 = picture;
610 }
611
612 if (ENABLE_VHOOK)
613 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
614 1000000 * ist->pts / AV_TIME_BASE);
615
616 if (picture != picture2)
617 *picture = *picture2;
618 *bufp = buf;
619 }
620
621 /* we begin to correct av delay at this threshold */
622 #define AV_DELAY_MAX 0.100
623
624 static void do_subtitle_out(AVFormatContext *s,
625 AVOutputStream *ost,
626 AVInputStream *ist,
627 AVSubtitle *sub,
628 int64_t pts)
629 {
630 static uint8_t *subtitle_out = NULL;
631 int subtitle_out_max_size = 65536;
632 int subtitle_out_size, nb, i;
633 AVCodecContext *enc;
634 AVPacket pkt;
635
636 if (pts == AV_NOPTS_VALUE) {
637 fprintf(stderr, "Subtitle packets must have a pts\n");
638 return;
639 }
640
641 enc = ost->st->codec;
642
643 if (!subtitle_out) {
644 subtitle_out = av_malloc(subtitle_out_max_size);
645 }
646
647 /* Note: DVB subtitle need one packet to draw them and one other
648 packet to clear them */
649 /* XXX: signal it in the codec context ? */
650 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
651 nb = 2;
652 else
653 nb = 1;
654
655 for(i = 0; i < nb; i++) {
656 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
657 subtitle_out_max_size, sub);
658
659 av_init_packet(&pkt);
660 pkt.stream_index = ost->index;
661 pkt.data = subtitle_out;
662 pkt.size = subtitle_out_size;
663 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
664 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
665 /* XXX: the pts correction is handled here. Maybe handling
666 it in the codec would be better */
667 if (i == 0)
668 pkt.pts += 90 * sub->start_display_time;
669 else
670 pkt.pts += 90 * sub->end_display_time;
671 }
672 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
673 }
674 }
675
676 static int bit_buffer_size= 1024*256;
677 static uint8_t *bit_buffer= NULL;
678
679 static void do_video_out(AVFormatContext *s,
680 AVOutputStream *ost,
681 AVInputStream *ist,
682 AVFrame *in_picture,
683 int *frame_size)
684 {
685 int nb_frames, i, ret;
686 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
687 AVFrame picture_crop_temp, picture_pad_temp;
688 AVCodecContext *enc, *dec;
689
690 avcodec_get_frame_defaults(&picture_crop_temp);
691 avcodec_get_frame_defaults(&picture_pad_temp);
692
693 enc = ost->st->codec;
694 dec = ist->st->codec;
695
696 /* by default, we output a single frame */
697 nb_frames = 1;
698
699 *frame_size = 0;
700
701 if(video_sync_method){
702 double vdelta;
703 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
704 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
705 if (vdelta < -1.1)
706 nb_frames = 0;
707 else if (vdelta > 1.1)
708 nb_frames = lrintf(vdelta);
709 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, ost->sync_ipts, nb_frames);
710 if (nb_frames == 0){
711 ++nb_frames_drop;
712 if (verbose>2)
713 fprintf(stderr, "*** drop!\n");
714 }else if (nb_frames > 1) {
715 nb_frames_dup += nb_frames;
716 if (verbose>2)
717 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
718 }
719 }else
720 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
721
722 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
723 if (nb_frames <= 0)
724 return;
725
726 if (ost->video_crop) {
727 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
728 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
729 return;
730 }
731 formatted_picture = &picture_crop_temp;
732 } else {
733 formatted_picture = in_picture;
734 }
735
736 final_picture = formatted_picture;
737 padding_src = formatted_picture;
738 resampling_dst = &ost->pict_tmp;
739 if (ost->video_pad) {
740 final_picture = &ost->pict_tmp;
741 if (ost->video_resample) {
742 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
743 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
744 return;
745 }
746 resampling_dst = &picture_pad_temp;
747 }
748 }
749
750 if (ost->video_resample) {
751 padding_src = NULL;
752 final_picture = &ost->pict_tmp;
753 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
754 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
755 }
756
757 if (ost->video_pad) {
758 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
759 enc->height, enc->width, enc->pix_fmt,
760 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
761 }
762
763 /* duplicates frame if needed */
764 for(i=0;i<nb_frames;i++) {
765 AVPacket pkt;
766 av_init_packet(&pkt);
767 pkt.stream_index= ost->index;
768
769 if (s->oformat->flags & AVFMT_RAWPICTURE) {
770 /* raw pictures are written as AVPicture structure to
771 avoid any copies. We support temorarily the older
772 method. */
773 AVFrame* old_frame = enc->coded_frame;
774 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
775 pkt.data= (uint8_t *)final_picture;
776 pkt.size= sizeof(AVPicture);
777 if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
778 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
779 if(dec->coded_frame && dec->coded_frame->key_frame)
780 pkt.flags |= PKT_FLAG_KEY;
781
782 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
783 enc->coded_frame = old_frame;
784 } else {
785 AVFrame big_picture;
786
787 big_picture= *final_picture;
788 /* better than nothing: use input picture interlaced
789 settings */
790 big_picture.interlaced_frame = in_picture->interlaced_frame;
791 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
792 if(top_field_first == -1)
793 big_picture.top_field_first = in_picture->top_field_first;
794 else
795 big_picture.top_field_first = top_field_first;
796 }
797
798 /* handles sameq here. This is not correct because it may
799 not be a global option */
800 if (same_quality) {
801 big_picture.quality = ist->st->quality;
802 }else
803 big_picture.quality = ost->st->quality;
804 if(!me_threshold)
805 big_picture.pict_type = 0;
806 // big_picture.pts = AV_NOPTS_VALUE;
807 big_picture.pts= ost->sync_opts;
808 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
809 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
810 ret = avcodec_encode_video(enc,
811 bit_buffer, bit_buffer_size,
812 &big_picture);
813 if (ret == -1) {
814 fprintf(stderr, "Video encoding failed\n");
815 exit(1);
816 }
817 //enc->frame_number = enc->real_pict_num;
818 if(ret>0){
819 pkt.data= bit_buffer;
820 pkt.size= ret;
821 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
822 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
823 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
824 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
825 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
826
827 if(enc->coded_frame && enc->coded_frame->key_frame)
828 pkt.flags |= PKT_FLAG_KEY;
829 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
830 *frame_size = ret;
831 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
832 // enc->frame_number-1, enc->real_pict_num, ret,
833 // enc->pict_type);
834 /* if two pass, output log */
835 if (ost->logfile && enc->stats_out) {
836 fprintf(ost->logfile, "%s", enc->stats_out);
837 }
838 }
839 }
840 ost->sync_opts++;
841 ost->frame_number++;
842 }
843 }
844
845 static double psnr(double d){
846 if(d==0) return INFINITY;
847 return -10.0*log(d)/log(10.0);
848 }
849
850 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
851 int frame_size)
852 {
853 AVCodecContext *enc;
854 int frame_number;
855 double ti1, bitrate, avg_bitrate;
856
857 /* this is executed just the first time do_video_stats is called */
858 if (!fvstats) {
859 fvstats = fopen(vstats_filename, "w");
860 if (!fvstats) {
861 perror("fopen");
862 exit(1);
863 }
864 }
865
866 enc = ost->st->codec;
867 if (enc->codec_type == CODEC_TYPE_VIDEO) {
868 frame_number = ost->frame_number;
869 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
870 if (enc->flags&CODEC_FLAG_PSNR)
871 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
872
873 fprintf(fvstats,"f_size= %6d ", frame_size);
874 /* compute pts value */
875 ti1 = ost->sync_opts * av_q2d(enc->time_base);
876 if (ti1 < 0.01)
877 ti1 = 0.01;
878
879 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
880 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
881 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
882 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
883 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
884 }
885 }
886
887 static void print_report(AVFormatContext **output_files,
888 AVOutputStream **ost_table, int nb_ostreams,
889 int is_last_report)
890 {
891 char buf[1024];
892 AVOutputStream *ost;
893 AVFormatContext *oc, *os;
894 int64_t total_size;
895 AVCodecContext *enc;
896 int frame_number, vid, i;
897 double bitrate, ti1, pts;
898 static int64_t last_time = -1;
899 static int qp_histogram[52];
900
901 if (!is_last_report) {
902 int64_t cur_time;
903 /* display the report every 0.5 seconds */
904 cur_time = av_gettime();
905 if (last_time == -1) {
906 last_time = cur_time;
907 return;
908 }
909 if ((cur_time - last_time) < 500000)
910 return;
911 last_time = cur_time;
912 }
913
914
915 oc = output_files[0];
916
917 total_size = url_fsize(&oc->pb);
918 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
919 total_size= url_ftell(&oc->pb);
920
921 buf[0] = '\0';
922 ti1 = 1e10;
923 vid = 0;
924 for(i=0;i<nb_ostreams;i++) {
925 ost = ost_table[i];
926 os = output_files[ost->file_index];
927 enc = ost->st->codec;
928 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
929 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
930 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
931 }
932 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
933 float t = (av_gettime()-timer_start) / 1000000.0;
934
935 frame_number = ost->frame_number;
936 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
937 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
938 enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
939 if(is_last_report)
940 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
941 if(qp_hist && enc->coded_frame){
942 int j;
943 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
944 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
945 qp_histogram[qp]++;
946 for(j=0; j<32; j++)
947 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
948 }
949 if (enc->flags&CODEC_FLAG_PSNR){
950 int j;
951 double error, error_sum=0;
952 double scale, scale_sum=0;
953 char type[3]= {'Y','U','V'};
954 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
955 for(j=0; j<3; j++){
956 if(is_last_report){
957 error= enc->error[j];
958 scale= enc->width*enc->height*255.0*255.0*frame_number;
959 }else{
960 error= enc->coded_frame->error[j];
961 scale= enc->width*enc->height*255.0*255.0;
962 }
963 if(j) scale/=4;
964 error_sum += error;
965 scale_sum += scale;
966 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
967 }
968 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
969 }
970 vid = 1;
971 }
972 /* compute min output value */
973 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
974 if ((pts < ti1) && (pts > 0))
975 ti1 = pts;
976 }
977 if (ti1 < 0.01)
978 ti1 = 0.01;
979
980 if (verbose || is_last_report) {
981 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
982
983 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
984 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
985 (double)total_size / 1024, ti1, bitrate);
986
987 if (verbose > 1)
988 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
989 nb_frames_dup, nb_frames_drop);
990
991 if (verbose >= 0)
992 fprintf(stderr, "%s \r", buf);
993
994 fflush(stderr);
995 }
996
997 if (is_last_report && verbose >= 0){
998 int64_t raw= audio_size + video_size + extra_size;
999 fprintf(stderr, "\n");
1000 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1001 video_size/1024.0,
1002 audio_size/1024.0,
1003 extra_size/1024.0,
1004 100.0*(total_size - raw)/raw
1005 );
1006 }
1007 }
1008
1009 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1010 static int output_packet(AVInputStream *ist, int ist_index,
1011 AVOutputStream **ost_table, int nb_ostreams,
1012 const AVPacket *pkt)
1013 {
1014 AVFormatContext *os;
1015 AVOutputStream *ost;
1016 uint8_t *ptr;
1017 int len, ret, i;
1018 uint8_t *data_buf;
1019 int data_size, got_picture;
1020 AVFrame picture;
1021 void *buffer_to_free;
1022 static unsigned int samples_size= 0;
1023 static short *samples= NULL;
1024 AVSubtitle subtitle, *subtitle_to_free;
1025 int got_subtitle;
1026
1027 if(!pkt){
1028 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1029 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1030 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1031 } else {
1032 // assert(ist->pts == ist->next_pts);
1033 }
1034
1035 if (pkt == NULL) {
1036 /* EOF handling */
1037 ptr = NULL;
1038 len = 0;
1039 goto handle_eof;
1040 }
1041
1042 len = pkt->size;
1043 ptr = pkt->data;
1044 while (len > 0) {
1045 handle_eof:
1046 /* decode the packet if needed */
1047 data_buf = NULL; /* fail safe */
1048 data_size = 0;
1049 subtitle_to_free = NULL;
1050 if (ist->decoding_needed) {
1051 switch(ist->st->codec->codec_type) {
1052 case CODEC_TYPE_AUDIO:{
1053 if(pkt)
1054 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1055 data_size= samples_size;
1056 /* XXX: could avoid copy if PCM 16 bits with same
1057 endianness as CPU */
1058 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1059 ptr, len);
1060 if (ret < 0)
1061 goto fail_decode;
1062 ptr += ret;
1063 len -= ret;
1064 /* Some bug in mpeg audio decoder gives */
1065 /* data_size < 0, it seems they are overflows */
1066 if (data_size <= 0) {
1067 /* no audio frame */
1068 continue;
1069 }
1070 data_buf = (uint8_t *)samples;
1071 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1072 (ist->st->codec->sample_rate * ist->st->codec->channels);
1073 break;}
1074 case CODEC_TYPE_VIDEO:
1075 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1076 /* XXX: allocate picture correctly */
1077 avcodec_get_frame_defaults(&picture);
1078
1079 ret = avcodec_decode_video(ist->st->codec,
1080 &picture, &got_picture, ptr, len);
1081 ist->st->quality= picture.quality;
1082 if (ret < 0)
1083 goto fail_decode;
1084 if (!got_picture) {
1085 /* no picture yet */
1086 goto discard_packet;
1087 }
1088 if (ist->st->codec->time_base.num != 0) {
1089 ist->next_pts += ((int64_t)AV_TIME_BASE *
1090 ist->st->codec->time_base.num) /
1091 ist->st->codec->time_base.den;
1092 }
1093 len = 0;
1094 break;
1095 case CODEC_TYPE_SUBTITLE:
1096 ret = avcodec_decode_subtitle(ist->st->codec,
1097 &subtitle, &got_subtitle, ptr, len);
1098 if (ret < 0)
1099 goto fail_decode;
1100 if (!got_subtitle) {
1101 goto discard_packet;
1102 }
1103 subtitle_to_free = &subtitle;
1104 len = 0;
1105 break;
1106 default:
1107 goto fail_decode;
1108 }
1109 } else {
1110 switch(ist->st->codec->codec_type) {
1111 case CODEC_TYPE_AUDIO:
1112 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1113 (ist->st->codec->sample_rate * ist->st->codec->channels);
1114 break;
1115 case CODEC_TYPE_VIDEO:
1116 if (ist->st->codec->time_base.num != 0) {
1117 ist->next_pts += ((int64_t)AV_TIME_BASE *
1118 ist->st->codec->time_base.num) /
1119 ist->st->codec->time_base.den;
1120 }
1121 break;
1122 }
1123 data_buf = ptr;
1124 data_size = len;
1125 ret = len;
1126 len = 0;
1127 }
1128
1129 buffer_to_free = NULL;
1130 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1131 pre_process_video_frame(ist, (AVPicture *)&picture,
1132 &buffer_to_free);
1133 }
1134
1135 // preprocess audio (volume)
1136 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1137 if (audio_volume != 256) {
1138 short *volp;
1139 volp = samples;
1140 for(i=0;i<(data_size / sizeof(short));i++) {
1141 int v = ((*volp) * audio_volume + 128) >> 8;
1142 if (v < -32768) v = -32768;
1143 if (v > 32767) v = 32767;
1144 *volp++ = v;
1145 }
1146 }
1147 }
1148
1149 /* frame rate emulation */
1150 if (ist->st->codec->rate_emu) {
1151 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1152 int64_t now = av_gettime() - ist->start;
1153 if (pts > now)
1154 usleep(pts - now);
1155
1156 ist->frame++;
1157 }
1158
1159 #if 0
1160 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1161 is the one of the next displayed one */
1162 /* XXX: add mpeg4 too ? */
1163 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1164 if (ist->st->codec->pict_type != B_TYPE) {
1165 int64_t tmp;
1166 tmp = ist->last_ip_pts;
1167 ist->last_ip_pts = ist->frac_pts.val;
1168 ist->frac_pts.val = tmp;
1169 }
1170 }
1171 #endif
1172 /* if output time reached then transcode raw format,
1173 encode packets and output them */
1174 if (start_time == 0 || ist->pts >= start_time)
1175 for(i=0;i<nb_ostreams;i++) {
1176 int frame_size;
1177
1178 ost = ost_table[i];
1179 if (ost->source_index == ist_index) {
1180 os = output_files[ost->file_index];
1181
1182 #if 0
1183 printf("%d: got pts=%0.3f %0.3f\n", i,
1184 (double)pkt->pts / AV_TIME_BASE,
1185 ((double)ist->pts / AV_TIME_BASE) -
1186 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1187 #endif
1188 /* set the input output pts pairs */
1189 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1190
1191 if (ost->encoding_needed) {
1192 switch(ost->st->codec->codec_type) {
1193 case CODEC_TYPE_AUDIO:
1194 do_audio_out(os, ost, ist, data_buf, data_size);
1195 break;
1196 case CODEC_TYPE_VIDEO:
1197 do_video_out(os, ost, ist, &picture, &frame_size);
1198 video_size += frame_size;
1199 if (vstats_filename && frame_size)
1200 do_video_stats(os, ost, frame_size);
1201 break;
1202 case CODEC_TYPE_SUBTITLE:
1203 do_subtitle_out(os, ost, ist, &subtitle,
1204 pkt->pts);
1205 break;
1206 default:
1207 abort();
1208 }
1209 } else {
1210 AVFrame avframe; //FIXME/XXX remove this
1211 AVPacket opkt;
1212 av_init_packet(&opkt);
1213
1214 if (!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY))
1215 continue;
1216
1217 /* no reencoding needed : output the packet directly */
1218 /* force the input stream PTS */
1219
1220 avcodec_get_frame_defaults(&avframe);
1221 ost->st->codec->coded_frame= &avframe;
1222 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1223
1224 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1225 audio_size += data_size;
1226 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1227 video_size += data_size;
1228 ost->sync_opts++;
1229 }
1230
1231 opkt.stream_index= ost->index;
1232 if(pkt->pts != AV_NOPTS_VALUE)
1233 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
1234 else
1235 opkt.pts= AV_NOPTS_VALUE;
1236
1237 if (pkt->dts == AV_NOPTS_VALUE)
1238 opkt.dts = av_rescale_q(ist->next_pts, AV_TIME_BASE_Q, ost->st->time_base);
1239 else
1240 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1241
1242 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1243 opkt.flags= pkt->flags;
1244
1245 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1246 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1247 opkt.destruct= av_destruct_packet;
1248
1249 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][pkt->stream_index]);
1250 ost->st->codec->frame_number++;
1251 ost->frame_number++;
1252 av_free_packet(&opkt);
1253 }
1254 }
1255 }
1256 av_free(buffer_to_free);
1257 /* XXX: allocate the subtitles in the codec ? */
1258 if (subtitle_to_free) {
1259 if (subtitle_to_free->rects != NULL) {
1260 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1261 av_free(subtitle_to_free->rects[i].bitmap);
1262 av_free(subtitle_to_free->rects[i].rgba_palette);
1263 }
1264 av_freep(&subtitle_to_free->rects);
1265 }
1266 subtitle_to_free->num_rects = 0;
1267 subtitle_to_free = NULL;
1268 }
1269 }
1270 discard_packet:
1271 if (pkt == NULL) {
1272 /* EOF handling */
1273
1274 for(i=0;i<nb_ostreams;i++) {
1275 ost = ost_table[i];
1276 if (ost->source_index == ist_index) {
1277 AVCodecContext *enc= ost->st->codec;
1278 os = output_files[ost->file_index];
1279
1280 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1281 continue;
1282 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1283 continue;
1284
1285 if (ost->encoding_needed) {
1286 for(;;) {
1287 AVPacket pkt;
1288 int fifo_bytes;
1289 av_init_packet(&pkt);
1290 pkt.stream_index= ost->index;
1291
1292 switch(ost->st->codec->codec_type) {
1293 case CODEC_TYPE_AUDIO:
1294 fifo_bytes = av_fifo_size(&ost->fifo);
1295 ret = 0;
1296 /* encode any samples remaining in fifo */
1297 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1298 int fs_tmp = enc->frame_size;
1299 enc->frame_size = fifo_bytes / (2 * enc->channels);
1300 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1301 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1302 }
1303 enc->frame_size = fs_tmp;
1304 }
1305 if(ret <= 0) {
1306 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1307 }
1308 audio_size += ret;
1309 pkt.flags |= PKT_FLAG_KEY;
1310 break;
1311 case CODEC_TYPE_VIDEO:
1312 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1313 video_size += ret;
1314 if(enc->coded_frame && enc->coded_frame->key_frame)
1315 pkt.flags |= PKT_FLAG_KEY;
1316 if (ost->logfile && enc->stats_out) {
1317 fprintf(ost->logfile, "%s", enc->stats_out);
1318 }
1319 break;
1320 default:
1321 ret=-1;
1322 }
1323
1324 if(ret<=0)
1325 break;
1326 pkt.data= bit_buffer;
1327 pkt.size= ret;
1328 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1329 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1330 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1331 }
1332 }
1333 }
1334 }
1335 }
1336
1337 return 0;
1338 fail_decode:
1339 return -1;
1340 }
1341
1342
1343 /*
1344 * The following code is the main loop of the file converter
1345 */
1346 static int av_encode(AVFormatContext **output_files,
1347 int nb_output_files,
1348 AVFormatContext **input_files,
1349 int nb_input_files,
1350 AVStreamMap *stream_maps, int nb_stream_maps)
1351 {
1352 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1353 AVFormatContext *is, *os;
1354 AVCodecContext *codec, *icodec;
1355 AVOutputStream *ost, **ost_table = NULL;
1356 AVInputStream *ist, **ist_table = NULL;
1357 AVInputFile *file_table;
1358 int key;
1359
1360 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1361 if (!file_table)
1362 goto fail;
1363
1364 /* input stream init */
1365 j = 0;
1366 for(i=0;i<nb_input_files;i++) {
1367 is = input_files[i];
1368 file_table[i].ist_index = j;
1369 file_table[i].nb_streams = is->nb_streams;
1370 j += is->nb_streams;
1371 }
1372 nb_istreams = j;
1373
1374 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1375 if (!ist_table)
1376 goto fail;
1377
1378 for(i=0;i<nb_istreams;i++) {
1379 ist = av_mallocz(sizeof(AVInputStream));
1380 if (!ist)
1381 goto fail;
1382 ist_table[i] = ist;
1383 }
1384 j = 0;
1385 for(i=0;i<nb_input_files;i++) {
1386 is = input_files[i];
1387 for(k=0;k<is->nb_streams;k++) {
1388 ist = ist_table[j++];
1389 ist->st = is->streams[k];
1390 ist->file_index = i;
1391 ist->index = k;
1392 ist->discard = 1; /* the stream is discarded by default
1393 (changed later) */
1394
1395 if (ist->st->codec->rate_emu) {
1396 ist->start = av_gettime();
1397 ist->frame = 0;
1398 }
1399 }
1400 }
1401
1402 /* output stream init */
1403 nb_ostreams = 0;
1404 for(i=0;i<nb_output_files;i++) {
1405 os = output_files[i];
1406 if (!os->nb_streams) {
1407 fprintf(stderr, "Output file does not contain any stream\n");
1408 exit(1);
1409 }
1410 nb_ostreams += os->nb_streams;
1411 }
1412 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1413 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1414 exit(1);
1415 }
1416
1417 /* Sanity check the mapping args -- do the input files & streams exist? */
1418 for(i=0;i<nb_stream_maps;i++) {
1419 int fi = stream_maps[i].file_index;
1420 int si = stream_maps[i].stream_index;
1421
1422 if (fi < 0 || fi > nb_input_files - 1 ||
1423 si < 0 || si > file_table[fi].nb_streams - 1) {
1424 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1425 exit(1);
1426 }
1427 fi = stream_maps[i].sync_file_index;
1428 si = stream_maps[i].sync_stream_index;
1429 if (fi < 0 || fi > nb_input_files - 1 ||
1430 si < 0 || si > file_table[fi].nb_streams - 1) {
1431 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1432 exit(1);
1433 }
1434 }
1435
1436 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1437 if (!ost_table)
1438 goto fail;
1439 for(i=0;i<nb_ostreams;i++) {
1440 ost = av_mallocz(sizeof(AVOutputStream));
1441 if (!ost)
1442 goto fail;
1443 ost_table[i] = ost;
1444 }
1445
1446 n = 0;
1447 for(k=0;k<nb_output_files;k++) {
1448 os = output_files[k];
1449 for(i=0;i<os->nb_streams;i++) {
1450 int found;
1451 ost = ost_table[n++];
1452 ost->file_index = k;
1453 ost->index = i;
1454 ost->st = os->streams[i];
1455 if (nb_stream_maps > 0) {
1456 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1457 stream_maps[n-1].stream_index;
1458
1459 /* Sanity check that the stream types match */
1460 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1461 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1462 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1463 ost->file_index, ost->index);
1464 exit(1);
1465 }
1466
1467 } else {
1468 /* get corresponding input stream index : we select the first one with the right type */
1469 found = 0;
1470 for(j=0;j<nb_istreams;j++) {
1471 ist = ist_table[j];
1472 if (ist->discard &&
1473 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1474 ost->source_index = j;
1475 found = 1;
1476 break;
1477 }
1478 }
1479
1480 if (!found) {
1481 /* try again and reuse existing stream */
1482 for(j=0;j<nb_istreams;j++) {
1483 ist = ist_table[j];
1484 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1485 ost->source_index = j;
1486 found = 1;
1487 }
1488 }
1489 if (!found) {
1490 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1491 ost->file_index, ost->index);
1492 exit(1);
1493 }
1494 }
1495 }
1496 ist = ist_table[ost->source_index];
1497 ist->discard = 0;
1498 ost->sync_ist = (nb_stream_maps > 0) ?
1499 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1500 stream_maps[n-1].sync_stream_index] : ist;
1501 }
1502 }
1503
1504 /* for each output stream, we compute the right encoding parameters */
1505 for(i=0;i<nb_ostreams;i++) {
1506 ost = ost_table[i];
1507 os = output_files[ost->file_index];
1508 ist = ist_table[ost->source_index];
1509
1510 codec = ost->st->codec;
1511 icodec = ist->st->codec;
1512
1513 if (!ost->st->language[0])
1514 av_strlcpy(ost->st->language, ist->st->language,
1515 sizeof(ost->st->language));
1516
1517 if (ost->st->stream_copy) {
1518 /* if stream_copy is selected, no need to decode or encode */
1519 codec->codec_id = icodec->codec_id;
1520 codec->codec_type = icodec->codec_type;
1521
1522 if(!codec->codec_tag){
1523 if( !os->oformat->codec_tag
1524 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1525 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1526 codec->codec_tag = icodec->codec_tag;
1527 }
1528
1529 codec->bit_rate = icodec->bit_rate;
1530 codec->extradata= icodec->extradata;
1531 codec->extradata_size= icodec->extradata_size;
1532 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1533 codec->time_base = icodec->time_base;
1534 else
1535 codec->time_base = ist->st->time_base;
1536 switch(codec->codec_type) {
1537 case CODEC_TYPE_AUDIO:
1538 codec->sample_rate = icodec->sample_rate;
1539 codec->channels = icodec->channels;
1540 codec->frame_size = icodec->frame_size;
1541 codec->block_align= icodec->block_align;
1542 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1543 codec->block_align= 0;
1544 break;
1545 case CODEC_TYPE_VIDEO:
1546 if(using_vhook) {
1547 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1548 exit(1);
1549 }
1550 codec->pix_fmt = icodec->pix_fmt;
1551 codec->width = icodec->width;
1552 codec->height = icodec->height;
1553 codec->has_b_frames = icodec->has_b_frames;
1554 break;
1555 case CODEC_TYPE_SUBTITLE:
1556 break;
1557 default:
1558 abort();
1559 }
1560 } else {
1561 switch(codec->codec_type) {
1562 case CODEC_TYPE_AUDIO:
1563 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1564 goto fail;
1565
1566 if (codec->channels == icodec->channels &&
1567 codec->sample_rate == icodec->sample_rate) {
1568 ost->audio_resample = 0;
1569 } else {
1570 if (codec->channels != icodec->channels &&
1571 (icodec->codec_id == CODEC_ID_AC3 ||
1572 icodec->codec_id == CODEC_ID_DTS)) {
1573 /* Special case for 5:1 AC3 and DTS input */
1574 /* and mono or stereo output */
1575 /* Request specific number of channels */
1576 icodec->channels = codec->channels;
1577 if (codec->sample_rate == icodec->sample_rate)
1578 ost->audio_resample = 0;
1579 else {
1580 ost->audio_resample = 1;
1581 }
1582 } else {
1583 ost->audio_resample = 1;
1584 }
1585 }
1586 if(audio_sync_method>1)
1587 ost->audio_resample = 1;
1588
1589 if(ost->audio_resample){
1590 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1591 codec->sample_rate, icodec->sample_rate);
1592 if(!ost->resample){
1593 printf("Can't resample. Aborting.\n");
1594 abort();
1595 }
1596 }
1597 ist->decoding_needed = 1;
1598 ost->encoding_needed = 1;
1599 break;
1600 case CODEC_TYPE_VIDEO:
1601 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1602 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1603 ost->video_resample = ((codec->width != icodec->width -
1604 (frame_leftBand + frame_rightBand) +
1605 (frame_padleft + frame_padright)) ||
1606 (codec->height != icodec->height -
1607 (frame_topBand + frame_bottomBand) +
1608 (frame_padtop + frame_padbottom)) ||
1609 (codec->pix_fmt != icodec->pix_fmt));
1610 if (ost->video_crop) {
1611 ost->topBand = frame_topBand;
1612 ost->leftBand = frame_leftBand;
1613 }
1614 if (ost->video_pad) {
1615 ost->padtop = frame_padtop;
1616 ost->padleft = frame_padleft;
1617 ost->padbottom = frame_padbottom;
1618 ost->padright = frame_padright;
1619 if (!ost->video_resample) {
1620 avcodec_get_frame_defaults(&ost->pict_tmp);
1621 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1622 codec->width, codec->height ) )
1623 goto fail;
1624 }
1625 }
1626 if (ost->video_resample) {
1627 avcodec_get_frame_defaults(&ost->pict_tmp);
1628 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1629 codec->width, codec->height ) ) {
1630 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1631 exit(1);
1632 }
1633 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1634 ost->img_resample_ctx = sws_getContext(
1635 icodec->width - (frame_leftBand + frame_rightBand),
1636 icodec->height - (frame_topBand + frame_bottomBand),
1637 icodec->pix_fmt,
1638 codec->width - (frame_padleft + frame_padright),
1639 codec->height - (frame_padtop + frame_padbottom),
1640 codec->pix_fmt,
1641 sws_flags, NULL, NULL, NULL);
1642 if (ost->img_resample_ctx == NULL) {
1643 fprintf(stderr, "Cannot get resampling context\n");
1644 exit(1);
1645 }
1646 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1647 }
1648 ost->encoding_needed = 1;
1649 ist->decoding_needed = 1;
1650 break;
1651 case CODEC_TYPE_SUBTITLE:
1652 ost->encoding_needed = 1;
1653 ist->decoding_needed = 1;
1654 break;
1655 default:
1656 abort();
1657 break;
1658 }
1659 /* two pass mode */
1660 if (ost->encoding_needed &&
1661 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1662 char logfilename[1024];
1663 FILE *f;
1664 int size;
1665 char *logbuffer;
1666
1667 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1668 pass_logfilename ?
1669 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1670 if (codec->flags & CODEC_FLAG_PASS1) {
1671 f = fopen(logfilename, "w");
1672 if (!f) {
1673 perror(logfilename);
1674 exit(1);
1675 }
1676 ost->logfile = f;
1677 } else {
1678 /* read the log file */
1679 f = fopen(logfilename, "r");
1680 if (!f) {
1681 perror(logfilename);
1682 exit(1);
1683 }
1684 fseek(f, 0, SEEK_END);
1685 size = ftell(f);
1686 fseek(f, 0, SEEK_SET);
1687 logbuffer = av_malloc(size + 1);
1688 if (!logbuffer) {
1689 fprintf(stderr, "Could not allocate log buffer\n");
1690 exit(1);
1691 }
1692 size = fread(logbuffer, 1, size, f);
1693 fclose(f);
1694 logbuffer[size] = '\0';
1695 codec->stats_in = logbuffer;
1696 }
1697 }
1698 }
1699 if(codec->codec_type == CODEC_TYPE_VIDEO){
1700 int size= codec->width * codec->height;
1701 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1702 }
1703 }
1704
1705 if (!bit_buffer)
1706 bit_buffer = av_malloc(bit_buffer_size);
1707 if (!bit_buffer)
1708 goto fail;
1709
1710 /* dump the file output parameters - cannot be done before in case
1711 of stream copy */
1712 for(i=0;i<nb_output_files;i++) {
1713 dump_format(output_files[i], i, output_files[i]->filename, 1);
1714 }
1715
1716 /* dump the stream mapping */
1717 if (verbose >= 0) {
1718 fprintf(stderr, "Stream mapping:\n");
1719 for(i=0;i<nb_ostreams;i++) {
1720 ost = ost_table[i];
1721 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1722 ist_table[ost->source_index]->file_index,
1723 ist_table[ost->source_index]->index,
1724 ost->file_index,
1725 ost->index);
1726 if (ost->sync_ist != ist_table[ost->source_index])
1727 fprintf(stderr, " [sync #%d.%d]",
1728 ost->sync_ist->file_index,
1729 ost->sync_ist->index);
1730 fprintf(stderr, "\n");
1731 }
1732 }
1733
1734 /* open each encoder */
1735 for(i=0;i<nb_ostreams;i++) {
1736 ost = ost_table[i];
1737 if (ost->encoding_needed) {
1738 AVCodec *codec;
1739 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1740 if (!codec) {
1741 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1742 ost->file_index, ost->index);
1743 exit(1);
1744 }
1745 if (avcodec_open(ost->st->codec, codec) < 0) {
1746 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1747 ost->file_index, ost->index);
1748 exit(1);
1749 }
1750 extra_size += ost->st->codec->extradata_size;
1751 }
1752 }
1753
1754 /* open each decoder */
1755 for(i=0;i<nb_istreams;i++) {
1756 ist = ist_table[i];
1757 if (ist->decoding_needed) {
1758 AVCodec *codec;
1759 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1760 if (!codec) {
1761 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1762 ist->st->codec->codec_id, ist->file_index, ist->index);
1763 exit(1);
1764 }
1765 if (avcodec_open(ist->st->codec, codec) < 0) {
1766 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1767 ist->file_index, ist->index);
1768 exit(1);
1769 }
1770 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1771 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1772 }
1773 }
1774
1775 /* init pts */
1776 for(i=0;i<nb_istreams;i++) {
1777 ist = ist_table[i];
1778 is = input_files[ist->file_index];
1779 ist->pts = 0;
1780 ist->next_pts=0;
1781 if( input_files_ts_offset[ist->file_index] != -is->start_time
1782 && !(is->start_time == AV_NOPTS_VALUE && input_files_ts_offset[ist->file_index]==0))
1783 ist->next_pts= AV_NOPTS_VALUE;
1784 ist->is_start = 1;
1785 }
1786
1787 /* set meta data information from input file if required */
1788 for (i=0;i<nb_meta_data_maps;i++) {
1789 AVFormatContext *out_file;
1790 AVFormatContext *in_file;
1791
1792 int out_file_index = meta_data_maps[i].out_file;
1793 int in_file_index = meta_data_maps[i].in_file;
1794 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1795 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1796 ret = AVERROR(EINVAL);
1797 goto fail;
1798 }
1799 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1800 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1801 ret = AVERROR(EINVAL);
1802 goto fail;
1803 }
1804
1805 out_file = output_files[out_file_index];
1806 in_file = input_files[in_file_index];
1807
1808 strcpy(out_file->title, in_file->title);
1809 strcpy(out_file->author, in_file->author);
1810 strcpy(out_file->copyright, in_file->copyright);
1811 strcpy(out_file->comment, in_file->comment);
1812 strcpy(out_file->album, in_file->album);
1813 out_file->year = in_file->year;
1814 out_file->track = in_file->track;
1815 strcpy(out_file->genre, in_file->genre);
1816 }
1817
1818 /* open files and write file headers */
1819 for(i=0;i<nb_output_files;i++) {
1820 os = output_files[i];
1821 if (av_write_header(os) < 0) {
1822 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1823 ret = AVERROR(EINVAL);
1824 goto fail;
1825 }
1826 }
1827
1828 if ( !using_stdin && verbose >= 0) {
1829 fprintf(stderr, "Press [q] to stop encoding\n");
1830 url_set_interrupt_cb(decode_interrupt_cb);
1831 }
1832 term_init();
1833
1834 key = -1;
1835 timer_start = av_gettime();
1836
1837 for(; received_sigterm == 0;) {
1838 int file_index, ist_index;
1839 AVPacket pkt;
1840 double ipts_min;
1841 double opts_min;
1842
1843 redo:
1844 ipts_min= 1e100;
1845 opts_min= 1e100;
1846 /* if 'q' pressed, exits */
1847 if (!using_stdin) {
1848 if (q_pressed)
1849 break;
1850 /* read_key() returns 0 on EOF */
1851 key = read_key();
1852 if (key == 'q')
1853 break;
1854 }
1855
1856 /* select the stream that we must read now by looking at the
1857 smallest output pts */
1858 file_index = -1;
1859 for(i=0;i<nb_ostreams;i++) {
1860 double ipts, opts;
1861 ost = ost_table[i];
1862 os = output_files[ost->file_index];
1863 ist = ist_table[ost->source_index];
1864 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1865 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1866 else
1867 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1868 ipts = (double)ist->pts;
1869 if (!file_table[ist->file_index].eof_reached){
1870 if(ipts < ipts_min) {
1871 ipts_min = ipts;
1872 if(input_sync ) file_index = ist->file_index;
1873 }
1874 if(opts < opts_min) {
1875 opts_min = opts;
1876 if(!input_sync) file_index = ist->file_index;
1877 }
1878 }
1879 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1880 file_index= -1;
1881 break;
1882 }
1883 }
1884 /* if none, if is finished */
1885 if (file_index < 0) {
1886 break;
1887 }
1888
1889 /* finish if recording time exhausted */
1890 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1891 break;
1892
1893 /* finish if limit size exhausted */
1894 if (limit_filesize != 0 && limit_filesize < url_ftell(&output_files[0]->pb))
1895 break;
1896
1897 /* read a frame from it and output it in the fifo */
1898 is = input_files[file_index];
1899 if (av_read_frame(is, &pkt) < 0) {
1900 file_table[file_index].eof_reached = 1;
1901 if (opt_shortest)
1902 break;
1903 else
1904 continue;
1905 }
1906
1907 if (do_pkt_dump) {
1908 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1909 }
1910 /* the following test is needed in case new streams appear
1911 dynamically in stream : we ignore them */
1912 if (pkt.stream_index >= file_table[file_index].nb_streams)
1913 goto discard_packet;
1914 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1915 ist = ist_table[ist_index];
1916 if (ist->discard)
1917 goto discard_packet;
1918
1919 if (pkt.dts != AV_NOPTS_VALUE)
1920 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1921 if (pkt.pts != AV_NOPTS_VALUE)
1922 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1923
1924 // 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);
1925 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1926 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
1927 int64_t delta= pkt_dts - ist->next_pts;
1928 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
1929 input_files_ts_offset[ist->file_index]-= delta;
1930 if (verbose > 2)
1931 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1932 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1933 if(pkt.pts != AV_NOPTS_VALUE)
1934 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1935 }
1936 }
1937
1938 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1939 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1940
1941 if (verbose >= 0)
1942 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1943 ist->file_index, ist->index);
1944
1945 av_free_packet(&pkt);
1946 goto redo;
1947 }
1948
1949 discard_packet:
1950 av_free_packet(&pkt);
1951
1952 /* dump report by using the output first video and audio streams */
1953 print_report(output_files, ost_table, nb_ostreams, 0);
1954 }
1955
1956 /* at the end of stream, we must flush the decoder buffers */
1957 for(i=0;i<nb_istreams;i++) {
1958 ist = ist_table[i];
1959 if (ist->decoding_needed) {
1960 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1961 }
1962 }
1963
1964 term_exit();
1965
1966 /* write the trailer if needed and close file */
1967 for(i=0;i<nb_output_files;i++) {
1968 os = output_files[i];
1969 av_write_trailer(os);
1970 }
1971
1972 /* dump report by using the first video and audio streams */
1973 print_report(output_files, ost_table, nb_ostreams, 1);
1974
1975 /* close each encoder */
1976 for(i=0;i<nb_ostreams;i++) {
1977 ost = ost_table[i];
1978 if (ost->encoding_needed) {
1979 av_freep(&ost->st->codec->stats_in);
1980 avcodec_close(ost->st->codec);
1981 }
1982 }
1983
1984 /* close each decoder */
1985 for(i=0;i<nb_istreams;i++) {
1986 ist = ist_table[i];
1987 if (ist->decoding_needed) {
1988 avcodec_close(ist->st->codec);
1989 }
1990 }
1991
1992 /* finished ! */
1993
1994 ret = 0;
1995 fail1:
1996 av_freep(&bit_buffer);
1997 av_free(file_table);
1998
1999 if (ist_table) {
2000 for(i=0;i<nb_istreams;i++) {
2001 ist = ist_table[i];
2002 av_free(ist);
2003 }
2004 av_free(ist_table);
2005 }
2006 if (ost_table) {
2007 for(i=0;i<nb_ostreams;i++) {
2008 ost = ost_table[i];
2009 if (ost) {
2010 if (ost->logfile) {
2011 fclose(ost->logfile);
2012 ost->logfile = NULL;
2013 }
2014 av_fifo_free(&ost->fifo); /* works even if fifo is not
2015 initialized but set to zero */
2016 av_free(ost->pict_tmp.data[0]);
2017 if (ost->video_resample)
2018 sws_freeContext(ost->img_resample_ctx);
2019 if (ost->audio_resample)
2020 audio_resample_close(ost->resample);
2021 av_free(ost);
2022 }
2023 }
2024 av_free(ost_table);
2025 }
2026 return ret;
2027 fail:
2028 ret = AVERROR(ENOMEM);
2029 goto fail1;
2030 }
2031
2032 #if 0
2033 int file_read(const char *filename)
2034 {
2035 URLContext *h;
2036 unsigned char buffer[1024];
2037 int len, i;
2038
2039 if (url_open(&h, filename, O_RDONLY) < 0) {
2040 printf("could not open '%s'\n", filename);
2041 return -1;
2042 }
2043 for(;;) {
2044 len = url_read(h, buffer, sizeof(buffer));
2045 if (len <= 0)
2046 break;
2047 for(i=0;i<len;i++) putchar(buffer[i]);
2048 }
2049 url_close(h);
2050 return 0;
2051 }
2052 #endif
2053
2054 static void opt_format(const char *arg)
2055 {
2056 /* compatibility stuff for pgmyuv */
2057 if (!strcmp(arg, "pgmyuv")) {
2058 pgmyuv_compatibility_hack=1;
2059 // opt_image_format(arg);
2060 arg = "image2";
2061 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2062 }
2063
2064 file_iformat = av_find_input_format(arg);
2065 file_oformat = guess_format(arg, NULL, NULL);
2066 if (!file_iformat && !file_oformat) {
2067 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2068 exit(1);
2069 }
2070 }
2071
2072 static void opt_video_rc_eq(char *arg)
2073 {
2074 video_rc_eq = arg;
2075 }
2076
2077 static void opt_video_rc_override_string(char *arg)
2078 {
2079 video_rc_override_string = arg;
2080 }
2081
2082 static void opt_me_threshold(const char *arg)
2083 {
2084 me_threshold = atoi(arg);
2085 }
2086
2087 static void opt_verbose(const char *arg)
2088 {
2089 verbose = atoi(arg);
2090 av_log_level = atoi(arg);
2091 }
2092
2093 static void opt_frame_rate(const char *arg)
2094 {
2095 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2096 fprintf(stderr, "Incorrect frame rate\n");
2097 exit(1);
2098 }
2099 }
2100
2101 static void opt_frame_crop_top(const char *arg)
2102 {
2103 frame_topBand = atoi(arg);
2104 if (frame_topBand < 0) {
2105 fprintf(stderr, "Incorrect top crop size\n");
2106 exit(1);
2107 }
2108 if ((frame_topBand % 2) != 0) {
2109 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2110 exit(1);
2111 }
2112 if ((frame_topBand) >= frame_height){
2113 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2114 exit(1);
2115 }
2116 frame_height -= frame_topBand;
2117 }
2118
2119 static void opt_frame_crop_bottom(const char *arg)
2120 {
2121 frame_bottomBand = atoi(arg);
2122 if (frame_bottomBand < 0) {
2123 fprintf(stderr, "Incorrect bottom crop size\n");
2124 exit(1);
2125 }
2126 if ((frame_bottomBand % 2) != 0) {
2127 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2128 exit(1);
2129 }
2130 if ((frame_bottomBand) >= frame_height){
2131 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2132 exit(1);
2133 }
2134 frame_height -= frame_bottomBand;
2135 }
2136
2137 static void opt_frame_crop_left(const char *arg)
2138 {
2139 frame_leftBand = atoi(arg);
2140 if (frame_leftBand < 0) {
2141 fprintf(stderr, "Incorrect left crop size\n");
2142 exit(1);
2143 }
2144 if ((frame_leftBand % 2) != 0) {
2145 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2146 exit(1);
2147 }
2148 if ((frame_leftBand) >= frame_width){
2149 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2150 exit(1);
2151 }
2152 frame_width -= frame_leftBand;
2153 }
2154
2155 static void opt_frame_crop_right(const char *arg)
2156 {
2157 frame_rightBand = atoi(arg);
2158 if (frame_rightBand < 0) {
2159 fprintf(stderr, "Incorrect right crop size\n");
2160 exit(1);
2161 }
2162 if ((frame_rightBand % 2) != 0) {
2163 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2164 exit(1);
2165 }
2166 if ((frame_rightBand) >= frame_width){
2167 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2168 exit(1);
2169 }
2170 frame_width -= frame_rightBand;
2171 }
2172
2173 static void opt_frame_size(const char *arg)
2174 {
2175 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2176 fprintf(stderr, "Incorrect frame size\n");
2177 exit(1);
2178 }
2179 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2180 fprintf(stderr, "Frame size must be a multiple of 2\n");
2181 exit(1);
2182 }
2183 }
2184
2185
2186 #define SCALEBITS 10
2187 #define ONE_HALF (1 << (SCALEBITS - 1))
2188 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2189
2190 #define RGB_TO_Y(r, g, b) \
2191 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2192 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2193
2194 #define RGB_TO_U(r1, g1, b1, shift)\
2195 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2196 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2197
2198 #define RGB_TO_V(r1, g1, b1, shift)\
2199 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2200 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2201
2202 static void opt_pad_color(const char *arg) {
2203 /* Input is expected to be six hex digits similar to
2204 how colors are expressed in html tags (but without the #) */
2205 int rgb = strtol(arg, NULL, 16);
2206 int r,g,b;
2207
2208 r = (rgb >> 16);
2209 g = ((rgb >> 8) & 255);
2210 b = (rgb & 255);
2211
2212 padcolor[0] = RGB_TO_Y(r,g,b);
2213 padcolor[1] = RGB_TO_U(r,g,b,0);
2214 padcolor[2] = RGB_TO_V(r,g,b,0);
2215 }
2216
2217 static void opt_frame_pad_top(const char *arg)
2218 {
2219 frame_padtop = atoi(arg);
2220 if (frame_padtop < 0) {
2221 fprintf(stderr, "Incorrect top pad size\n");
2222 exit(1);
2223 }
2224 if ((frame_padtop % 2) != 0) {
2225 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2226 exit(1);
2227 }
2228 }
2229
2230 static void opt_frame_pad_bottom(const char *arg)
2231 {
2232 frame_padbottom = atoi(arg);
2233 if (frame_padbottom < 0) {
2234 fprintf(stderr, "Incorrect bottom pad size\n");
2235 exit(1);
2236 }
2237 if ((frame_padbottom % 2) != 0) {
2238 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2239 exit(1);
2240 }
2241 }
2242
2243
2244 static void opt_frame_pad_left(const char *arg)
2245 {
2246 frame_padleft = atoi(arg);
2247 if (frame_padleft < 0) {
2248 fprintf(stderr, "Incorrect left pad size\n");
2249 exit(1);
2250 }
2251 if ((frame_padleft % 2) != 0) {
2252 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2253 exit(1);
2254 }
2255 }
2256
2257
2258 static void opt_frame_pad_right(const char *arg)
2259 {
2260 frame_padright = atoi(arg);
2261 if (frame_padright < 0) {
2262 fprintf(stderr, "Incorrect right pad size\n");
2263 exit(1);
2264 }
2265 if ((frame_padright % 2) != 0) {
2266 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2267 exit(1);
2268 }
2269 }
2270
2271 void list_pix_fmts(void)
2272 {
2273 int i;
2274 char pix_fmt_str[128];
2275 for (i=-1; i < PIX_FMT_NB; i++) {
2276 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2277 fprintf(stdout, "%s\n", pix_fmt_str);
2278 }
2279 }
2280
2281 static void opt_frame_pix_fmt(const char *arg)
2282 {
2283 if (strcmp(arg, "list"))
2284 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2285 else {
2286 list_pix_fmts();
2287 exit(0);
2288 }
2289 }
2290
2291 static void opt_frame_aspect_ratio(const char *arg)
2292 {
2293 int x = 0, y = 0;
2294 double ar = 0;
2295 const char *p;
2296
2297 p = strchr(arg, ':');
2298 if (p) {
2299 x = strtol(arg, (char **)&arg, 10);
2300 if (arg == p)
2301 y = strtol(arg+1, (char **)&arg, 10);
2302 if (x > 0 && y > 0)
2303 ar = (double)x / (double)y;
2304 } else
2305 ar = strtod(arg, (char **)&arg);
2306
2307 if (!ar) {
2308 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2309 exit(1);
2310 }
2311 frame_aspect_ratio = ar;
2312 }
2313
2314 static void opt_qscale(const char *arg)
2315 {
2316 video_qscale = atof(arg);
2317 if (video_qscale <= 0 ||
2318 video_qscale > 255) {
2319 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2320 exit(1);
2321 }
2322 }
2323
2324 static void opt_qdiff(const char *arg)
2325 {
2326 video_qdiff = atoi(arg);
2327 if (video_qdiff < 0 ||
2328 video_qdiff > 31) {
2329 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2330 exit(1);
2331 }
2332 }
2333
2334 static void opt_strict(const char *arg)
2335 {
2336 strict= atoi(arg);
2337 }
2338
2339 static void opt_top_field_first(const char *arg)
2340 {
2341 top_field_first= atoi(arg);
2342 }
2343
2344 static void opt_thread_count(const char *arg)
2345 {
2346 thread_count= atoi(arg);
2347 #if !defined(HAVE_THREADS)
2348 if (verbose >= 0)
2349 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2350 #endif
2351 }
2352
2353 static void opt_audio_rate(const char *arg)
2354 {
2355 audio_sample_rate = atoi(arg);
2356 }
2357
2358 static void opt_audio_channels(const char *arg)
2359 {
2360 audio_channels = atoi(arg);
2361 }
2362
2363 static void opt_video_channel(const char *arg)
2364 {
2365 video_channel = strtol(arg, NULL, 0);
2366 }
2367
2368 static void opt_video_standard(const char *arg)
2369 {
2370 video_standard = av_strdup(arg);
2371 }
2372
2373 static void opt_codec(int *pstream_copy, char **pcodec_name,
2374 int codec_type, const char *arg)
2375 {
2376 av_freep(pcodec_name);
2377 if (!strcmp(arg, "copy")) {
2378 *pstream_copy = 1;
2379 } else {
2380 *pcodec_name = av_strdup(arg);
2381 }
2382 }
2383
2384 static void opt_audio_codec(const char *arg)
2385 {
2386 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2387 }
2388
2389 static void opt_audio_tag(const char *arg)
2390 {
2391 char *tail;
2392 audio_codec_tag= strtol(arg, &tail, 0);
2393
2394 if(!tail || *tail)
2395 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2396 }
2397
2398 static void opt_video_tag(const char *arg)
2399 {
2400 char *tail;
2401 video_codec_tag= strtol(arg, &tail, 0);
2402
2403 if(!tail || *tail)
2404 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2405 }
2406
2407 #ifdef CONFIG_VHOOK
2408 static void add_frame_hooker(const char *arg)
2409 {
2410 int argc = 0;
2411 char *argv[64];
2412 int i;
2413 char *args = av_strdup(arg);
2414
2415 using_vhook = 1;
2416
2417 argv[0] = strtok(args, " ");
2418 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2419 }
2420
2421 i = frame_hook_add(argc, argv);
2422
2423 if (i != 0) {
2424 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2425 exit(1);
2426 }
2427 }
2428 #endif
2429
2430 static void opt_video_codec(const char *arg)
2431 {
2432 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2433 }
2434
2435 static void opt_subtitle_codec(const char *arg)
2436 {
2437 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2438 }
2439
2440 static void opt_map(const char *arg)
2441 {
2442 AVStreamMap *m;
2443 const char *p;
2444
2445 p = arg;
2446 m = &stream_maps[nb_stream_maps++];
2447
2448 m->file_index = strtol(arg, (char **)&p, 0);
2449 if (*p)
2450 p++;
2451
2452 m->stream_index = strtol(p, (char **)&p, 0);
2453 if (*p) {
2454 p++;
2455 m->sync_file_index = strtol(p, (char **)&p, 0);
2456 if (*p)
2457 p++;
2458 m->sync_stream_index = strtol(p, (char **)&p, 0);
2459 } else {
2460 m->sync_file_index = m->file_index;
2461 m->sync_stream_index = m->stream_index;
2462 }
2463 }
2464
2465 static void opt_map_meta_data(const char *arg)
2466 {
2467 AVMetaDataMap *m;
2468 const char *p;
2469
2470 p = arg;
2471 m = &meta_data_maps[nb_meta_data_maps++];
2472
2473 m->out_file = strtol(arg, (char **)&p, 0);
2474 if (*p)
2475 p++;
2476
2477 m->in_file = strtol(p, (char **)&p, 0);
2478 }
2479
2480 static void opt_recording_time(const char *arg)
2481 {
2482 recording_time = parse_date(arg, 1);
2483 }
2484
2485 static void opt_start_time(const char *arg)
2486 {
2487 start_time = parse_date(arg, 1);
2488 }
2489
2490 static void opt_rec_timestamp(const char *arg)
2491 {
2492 rec_timestamp = parse_date(arg, 0) / 1000000;
2493 }
2494
2495 static void opt_input_ts_offset(const char *arg)
2496 {
2497 input_ts_offset = parse_date(arg, 1);
2498 }
2499
2500 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2501 {
2502 AVCodec *codec;
2503
2504 if(!name)
2505 return CODEC_ID_NONE;
2506 codec = encoder ?
2507 avcodec_find_encoder_by_name(name) :
2508 avcodec_find_decoder_by_name(name);
2509 if(!codec) {
2510 av_log(NULL, AV_LOG_ERROR, "Unknown codec '%s'\n", name);
2511 exit(1);
2512 }
2513 if(codec->type != type) {
2514 av_log(NULL, AV_LOG_ERROR, "Invalid codec type '%s'\n", name);
2515 exit(1);
2516 }
2517 return codec->id;
2518 }
2519
2520 static void opt_input_file(const char *filename)
2521 {
2522 AVFormatContext *ic;
2523 AVFormatParameters params, *ap = &params;
2524 int err, i, ret, rfps, rfps_base;
2525 int64_t timestamp;
2526
2527 if (!strcmp(filename, "-"))
2528 filename = "pipe:";
2529
2530 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2531 !strcmp( filename, "/dev/stdin" );
2532
2533 /* get default parameters from command line */
2534 ic = av_alloc_format_context();
2535
2536 memset(ap, 0, sizeof(*ap));
2537 ap->prealloced_context = 1;
2538 ap->sample_rate = audio_sample_rate;
2539 ap->channels = audio_channels;
2540 ap->time_base.den = frame_rate.num;
2541 ap->time_base.num = frame_rate.den;
2542 ap->width = frame_width + frame_padleft + frame_padright;
2543 ap->height = frame_height + frame_padtop + frame_padbottom;
2544 ap->pix_fmt = frame_pix_fmt;
2545 ap->channel = video_channel;
2546 ap->standard = video_standard;
2547 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2548 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2549 if(pgmyuv_compatibility_hack)
2550 ap->video_codec_id= CODEC_ID_PGMYUV;
2551
2552 for(i=0; i<opt_name_count; i++){
2553 const AVOption *opt;
2554 double d= av_get_double(avformat_opts, opt_names[i], &opt);
2555 if(d==d && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2556 av_set_double(ic, opt_names[i], d);
2557 }
2558 /* open the input file with generic libav function */
2559 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2560 if (err < 0) {
2561 print_error(filename, err);
2562 exit(1);
2563 }
2564
2565 ic->loop_input = loop_input;
2566
2567 /* If not enough info to get the stream parameters, we decode the
2568 first frames to get it. (used in mpeg case for example) */
2569 ret = av_find_stream_info(ic);
2570 if (ret < 0 && verbose >= 0) {
2571 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2572 exit(1);
2573 }
2574
2575 timestamp = start_time;
2576 /* add the stream start time */
2577 if (ic->start_time != AV_NOPTS_VALUE)
2578 timestamp += ic->start_time;
2579
2580 /* if seeking requested, we execute it */
2581 if (start_time != 0) {
2582 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2583 if (ret < 0) {
2584 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2585 filename, (double)timestamp / AV_TIME_BASE);
2586 }
2587 /* reset seek info */
2588 start_time = 0;
2589 }
2590
2591 /* update the current parameters so that they match the one of the input stream */
2592 for(i=0;i<ic->nb_streams;i++) {
2593 int j;
2594 AVCodecContext *enc = ic->streams[i]->codec;
2595 if(thread_count>1)
2596 avcodec_thread_init(enc, thread_count);
2597 enc->thread_count= thread_count;
2598 switch(enc->codec_type) {
2599 case CODEC_TYPE_AUDIO:
2600 for(j=0; j<opt_name_count; j++){
2601 const AVOption *opt;
2602 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt);
2603 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2604 av_set_double(enc, opt_names[j], d);
2605 }
2606 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2607 audio_channels = enc->channels;
2608 audio_sample_rate = enc->sample_rate;
2609 if(audio_disable)
2610 ic->streams[i]->discard= AVDISCARD_ALL;
2611 break;
2612 case CODEC_TYPE_VIDEO:
2613 for(j=0; j<opt_name_count; j++){
2614 const AVOption *opt;
2615 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt);
2616 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2617 av_set_double(enc, opt_names[j], d);
2618 }
2619 frame_height = enc->height;
2620 frame_width = enc->width;
2621 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2622 frame_pix_fmt = enc->pix_fmt;
2623 rfps = ic->streams[i]->r_frame_rate.num;
2624 rfps_base = ic->streams[i]->r_frame_rate.den;
2625 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2626 if(me_threshold)
2627 enc->debug |= FF_DEBUG_MV;
2628
2629 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2630
2631 if (verbose >= 0)
2632 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2633 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2634
2635 (float)rfps / rfps_base, rfps, rfps_base);
2636 }
2637 /* update the current frame rate to match the stream frame rate */
2638 frame_rate.num = rfps;
2639 frame_rate.den = rfps_base;
2640
2641 enc->rate_emu = rate_emu;
2642 if(video_disable)
2643 ic->streams[i]->discard= AVDISCARD_ALL;
2644 else if(video_discard)
2645 ic->streams[i]->discard= video_discard;
2646 break;
2647 case CODEC_TYPE_DATA:
2648 break;
2649 case CODEC_TYPE_SUBTITLE:
2650 if(subtitle_disable)
2651 ic->streams[i]->discard = AVDISCARD_ALL;
2652 break;
2653 case CODEC_TYPE_UNKNOWN:
2654 break;
2655 default:
2656 abort();
2657 }
2658 }
2659
2660 input_files[nb_input_files] = ic;
2661 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2662 /* dump the file content */
2663 if (verbose >= 0)
2664 dump_format(ic, nb_input_files, filename, 0);
2665
2666 nb_input_files++;
2667 file_iformat = NULL;
2668 file_oformat = NULL;
2669
2670 video_channel = 0;
2671
2672 rate_emu = 0;
2673 }
2674
2675 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2676 int *has_subtitle_ptr)
2677 {
2678 int has_video, has_audio, has_subtitle, i, j;
2679 AVFormatContext *ic;
2680
2681 has_video = 0;
2682 has_audio = 0;
2683 has_subtitle = 0;
2684 for(j=0;j<nb_input_files;j++) {
2685 ic = input_files[j];
2686 for(i=0;i<ic->nb_streams;i++) {
2687 AVCodecContext *enc = ic->streams[i]->codec;
2688 switch(enc->codec_type) {
2689 case CODEC_TYPE_AUDIO:
2690 has_audio = 1;
2691 break;
2692 case CODEC_TYPE_VIDEO:
2693 has_video = 1;
2694 break;
2695 case CODEC_TYPE_SUBTITLE:
2696 has_subtitle = 1;
2697 break;
2698 case CODEC_TYPE_DATA:
2699 case CODEC_TYPE_UNKNOWN:
2700 break;
2701 default:
2702 abort();
2703 }
2704 }
2705 }
2706 *has_video_ptr = has_video;
2707 *has_audio_ptr = has_audio;
2708 *has_subtitle_ptr = has_subtitle;
2709 }
2710
2711 static void new_video_stream(AVFormatContext *oc)
2712 {
2713 AVStream *st;
2714 AVCodecContext *video_enc;
2715 int codec_id;
2716
2717 st = av_new_stream(oc, oc->nb_streams);
2718 if (!st) {
2719 fprintf(stderr, "Could not alloc stream\n");
2720 exit(1);
2721 }
2722 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2723 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2724 video_bitstream_filters= NULL;
2725
2726 if(thread_count>1)
2727 avcodec_thread_init(st->codec, thread_count);
2728
2729 video_enc = st->codec;
2730
2731 if(video_codec_tag)
2732 video_enc->codec_tag= video_codec_tag;
2733
2734 if( (video_global_header&1)
2735 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2736 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2737 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2738 }
2739 if(video_global_header&2){
2740 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2741 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2742 }
2743
2744 if (video_stream_copy) {
2745 st->stream_copy = 1;
2746 video_enc->codec_type = CODEC_TYPE_VIDEO;
2747 } else {
2748 char *p;
2749 int i;
2750 AVCodec *codec;
2751
2752 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2753 if (video_codec_name)
2754 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
2755
2756 video_enc->codec_id = codec_id;
2757 codec = avcodec_find_encoder(codec_id);
2758
2759 for(i=0; i<opt_name_count; i++){
2760 const AVOption *opt;
2761 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt);
2762 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2763 av_set_double(video_enc, opt_names[i], d);
2764 }
2765
2766 video_enc->time_base.den = frame_rate.num;
2767 video_enc->time_base.num = frame_rate.den;
2768 if(codec && codec->supported_framerates){
2769 const AVRational *p= codec->supported_framerates;
2770 AVRational req= (AVRational){frame_rate.num, frame_rate.den};
2771 const AVRational *best=NULL;
2772 AVRational best_error= (AVRational){INT_MAX, 1};
2773 for(; p->den!=0; p++){
2774 AVRational error= av_sub_q(req, *p);
2775 if(error.num <0) error.num *= -1;
2776 if(av_cmp_q(error, best_error) < 0){
2777 best_error= error;
2778 best= p;
2779 }
2780 }
2781 video_enc->time_base.den= best->num;
2782 video_enc->time_base.num= best->den;
2783 }
2784
2785 video_enc->width = frame_width + frame_padright + frame_padleft;
2786 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2787 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2788 video_enc->pix_fmt = frame_pix_fmt;
2789
2790 if(codec && codec->pix_fmts){
2791 const enum PixelFormat *p= codec->pix_fmts;
2792 for(; *p!=-1; p++){
2793 if(*p == video_enc->pix_fmt)
2794 break;
2795 }
2796 if(*p == -1)
2797 video_enc->pix_fmt = codec->pix_fmts[0];
2798 }
2799
2800 if (intra_only)
2801 video_enc->gop_size = 0;
2802 if (video_qscale || same_quality) {
2803 video_enc->flags |= CODEC_FLAG_QSCALE;
2804 video_enc->global_quality=
2805 st->quality = FF_QP2LAMBDA * video_qscale;
2806 }
2807
2808 if(intra_matrix)
2809 video_enc->intra_matrix = intra_matrix;
2810 if(inter_matrix)
2811 video_enc->inter_matrix = inter_matrix;
2812
2813 video_enc->max_qdiff = video_qdiff;
2814 video_enc->rc_eq = video_rc_eq;
2815 video_enc->thread_count = thread_count;
2816 p= video_rc_override_string;
2817 for(i=0; p; i++){
2818 int start, end, q;
2819 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2820 if(e!=3){
2821 fprintf(stderr, "error parsing rc_override\n");
2822 exit(1);
2823 }
2824 video_enc->rc_override=
2825 av_realloc(video_enc->rc_override,
2826 sizeof(RcOverride)*(i+1));
2827 video_enc->rc_override[i].start_frame= start;
2828 video_enc->rc_override[i].end_frame = end;
2829 if(q>0){
2830 video_enc->rc_override[i].qscale= q;
2831 video_enc->rc_override[i].quality_factor= 1.0;
2832 }
2833 else{
2834 video_enc->rc_override[i].qscale= 0;
2835 video_enc->rc_override[i].quality_factor= -q/100.0;
2836 }
2837 p= strchr(p, '/');
2838 if(p) p++;
2839 }
2840 video_enc->rc_override_count=i;
2841 if (!video_enc->rc_initial_buffer_occupancy)
2842 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2843 video_enc->me_threshold= me_threshold;
2844 video_enc->intra_dc_precision= intra_dc_precision - 8;
2845 video_enc->strict_std_compliance = strict;
2846
2847 if (do_psnr)
2848 video_enc->flags|= CODEC_FLAG_PSNR;
2849
2850 /* two pass mode */
2851 if (do_pass) {
2852 if (do_pass == 1) {
2853 video_enc->flags |= CODEC_FLAG_PASS1;
2854 } else {
2855 video_enc->flags |= CODEC_FLAG_PASS2;
2856 }
2857 }
2858 }
2859
2860 /* reset some key parameters */
2861 video_disable = 0;
2862 av_freep(&video_codec_name);
2863 video_stream_copy = 0;
2864 }
2865
2866 static void new_audio_stream(AVFormatContext *oc)
2867 {
2868 AVStream *st;
2869 AVCodecContext *audio_enc;
2870 int codec_id, i;
2871
2872 st = av_new_stream(oc, oc->nb_streams);
2873 if (!st) {
2874 fprintf(stderr, "Could not alloc stream\n");
2875 exit(1);
2876 }
2877 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
2878
2879 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
2880 audio_bitstream_filters= NULL;
2881
2882 if(thread_count>1)
2883 avcodec_thread_init(st->codec, thread_count);
2884
2885 audio_enc = st->codec;
2886 audio_enc->codec_type = CODEC_TYPE_AUDIO;
2887 audio_enc->strict_std_compliance = strict;
2888
2889 if(audio_codec_tag)
2890 audio_enc->codec_tag= audio_codec_tag;
2891
2892 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
2893 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2894 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2895 }
2896 if (audio_stream_copy) {
2897 st->stream_copy = 1;
2898 audio_enc->channels = audio_channels;
2899 } else {
2900 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
2901
2902 for(i=0; i<opt_name_count; i++){
2903 const AVOption *opt;
2904 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt);
2905 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2906 av_set_double(audio_enc, opt_names[i], d);
2907 }
2908
2909 if (audio_codec_name)
2910 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
2911 audio_enc->codec_id = codec_id;
2912
2913 if (audio_qscale > QSCALE_NONE) {
2914 audio_enc->flags |= CODEC_FLAG_QSCALE;
2915 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
2916 }
2917 audio_enc->thread_count = thread_count;
2918 audio_enc->channels = audio_channels;
2919 }
2920 audio_enc->sample_rate = audio_sample_rate;
2921 audio_enc->time_base= (AVRational){1, audio_sample_rate};
2922 if (audio_language) {
2923 av_strlcpy(st->language, audio_language, sizeof(st->language));
2924 av_free(audio_language);
2925 audio_language = NULL;
2926 }
2927
2928 /* reset some key parameters */
2929 audio_disable = 0;
2930 av_freep(&audio_codec_name);
2931 audio_stream_copy = 0;
2932 }
2933
2934 static void new_subtitle_stream(AVFormatContext *oc)
2935 {
2936 AVStream *st;
2937 AVCodecContext *subtitle_enc;
2938 int i;
2939
2940 st = av_new_stream(oc, oc->nb_streams);
2941 if (!st) {
2942 fprintf(stderr, "Could not alloc stream\n");
2943 exit(1);
2944 }
2945 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
2946
2947 subtitle_enc = st->codec;
2948 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
2949 if (subtitle_stream_copy) {
2950 st->stream_copy = 1;
2951 } else {
2952 for(i=0; i<opt_name_count; i++){
2953 const AVOption *opt;
2954 double d= av_get_double(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt);
2955 if(d==d && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2956 av_set_double(subtitle_enc, opt_names[i], d);
2957 }
2958 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
2959 }
2960
2961 if (subtitle_language) {
2962 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
2963 av_free(subtitle_language);
2964 subtitle_language = NULL;
2965 }
2966
2967 subtitle_disable = 0;
2968 av_freep(&subtitle_codec_name);
2969 subtitle_stream_copy = 0;
2970 }
2971
2972 static void opt_new_audio_stream(void)
2973 {
2974 AVFormatContext *oc;
2975 if (nb_output_files <= 0) {
2976 fprintf(stderr, "At least one output file must be specified\n");
2977 exit(1);
2978 }
2979 oc = output_files[nb_output_files - 1];
2980 new_audio_stream(oc);
2981 }
2982
2983 static void opt_new_video_stream(void)
2984 {
2985 AVFormatContext *oc;
2986 if (nb_output_files <= 0) {
2987 fprintf(stderr, "At least one output file must be specified\n");
2988 exit(1);
2989 }
2990 oc = output_files[nb_output_files - 1];
2991 new_video_stream(oc);
2992 }
2993
2994 static void opt_new_subtitle_stream(void)
2995 {
2996 AVFormatContext *oc;
2997 if (nb_output_files <= 0) {
2998 fprintf(stderr, "At least one output file must be specified\n");
2999 exit(1);
3000 }
3001 oc = output_files[nb_output_files - 1];
3002 new_subtitle_stream(oc);
3003 }
3004
3005 static void opt_output_file(const char *filename)
3006 {
3007 AVFormatContext *oc;
3008 int use_video, use_audio, use_subtitle;
3009 int input_has_video, input_has_audio, input_has_subtitle, i;
3010 AVFormatParameters params, *ap = &params;
3011
3012 if (!strcmp(filename, "-"))
3013 filename = "pipe:";
3014
3015 oc = av_alloc_format_context();
3016
3017 if (!file_oformat) {
3018 file_oformat = guess_format(NULL, filename, NULL);
3019 if (!file_oformat) {
3020 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3021 filename);
3022 exit(1);
3023 }
3024 }
3025
3026 oc->oformat = file_oformat;
3027 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3028
3029 if (!strcmp(file_oformat->name, "ffm") &&
3030 av_strstart(filename, "http:", NULL)) {
3031 /* special case for files sent to ffserver: we get the stream
3032 parameters from ffserver */
3033 if (read_ffserver_streams(oc, filename) < 0) {
3034 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3035 exit(1);
3036 }
3037 } else {
3038 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3039 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3040 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3041
3042 /* disable if no corresponding type found and at least one
3043 input file */
3044 if (nb_input_files > 0) {
3045 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3046 &input_has_subtitle);
3047 if (!input_has_video)
3048 use_video = 0;
3049 if (!input_has_audio)
3050 use_audio = 0;
3051 if (!input_has_subtitle)
3052 use_subtitle = 0;
3053 }
3054
3055 /* manual disable */
3056 if (audio_disable) {
3057 use_audio = 0;
3058 }
3059 if (video_disable) {
3060 use_video = 0;
3061 }
3062 if (subtitle_disable) {
3063 use_subtitle = 0;
3064 }
3065
3066 if (use_video) {
3067 new_video_stream(oc);
3068 }
3069
3070 if (use_audio) {
3071 new_audio_stream(oc);
3072 }
3073
3074 if (use_subtitle) {
3075 new_subtitle_stream(oc);
3076 }
3077
3078 oc->timestamp = rec_timestamp;
3079
3080 if (str_title)
3081 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3082 if (str_author)
3083 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3084 if (str_copyright)
3085 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3086 if (str_comment)
3087 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3088 if (str_album)
3089 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3090 }
3091
3092 output_files[nb_output_files++] = oc;
3093
3094 /* check filename in case of an image number is expected */
3095 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3096 if (!av_filename_number_test(oc->filename)) {
3097 print_error(oc->filename, AVERROR_NUMEXPECTED);
3098 exit(1);
3099 }
3100 }
3101
3102 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3103 /* test if it already exists to avoid loosing precious files */
3104 if (!file_overwrite &&
3105 (strchr(filename, ':') == NULL ||
3106 av_strstart(filename, "file:", NULL))) {
3107 if (url_exist(filename)) {
3108 int c;
3109
3110 if ( !using_stdin ) {
3111 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3112 fflush(stderr);
3113 c = getchar();
3114 if (toupper(c) != 'Y') {
3115 fprintf(stderr, "Not overwriting - exiting\n");
3116 exit(1);
3117 }
3118 }
3119 else {
3120 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3121 exit(1);
3122 }
3123 }
3124 }
3125
3126 /* open the file */
3127 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3128 fprintf(stderr, "Could not open '%s'\n", filename);
3129 exit(1);
3130 }
3131 }
3132
3133 memset(ap, 0, sizeof(*ap));
3134 if (av_set_parameters(oc, ap) < 0) {
3135 fprintf(stderr, "%s: Invalid encoding parameters\n",
3136 oc->filename);
3137 exit(1);
3138 }
3139
3140 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3141 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3142 oc->loop_output = loop_output;
3143
3144 for(i=0; i<opt_name_count; i++){
3145 const AVOption *opt;
3146 double d = av_get_double(avformat_opts, opt_names[i], &opt);
3147 if(d==d && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3148 av_set_double(oc, opt_names[i], d);
3149 }
3150
3151 /* reset some options */
3152 file_oformat = NULL;
3153 file_iformat = NULL;
3154 }
3155
3156 /* same option as mencoder */
3157 static void opt_pass(const char *pass_str)
3158 {
3159 int pass;
3160 pass = atoi(pass_str);
3161 if (pass != 1 && pass != 2) {
3162 fprintf(stderr, "pass number can be only 1 or 2\n");
3163 exit(1);
3164 }
3165 do_pass = pass;
3166 }
3167
3168 static int64_t getutime(void)
3169 {
3170 #ifdef HAVE_GETRUSAGE
3171 struct rusage rusage;
3172
3173 getrusage(RUSAGE_SELF, &rusage);
3174 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3175 #elif defined(HAVE_GETPROCESSTIMES)
3176 HANDLE proc;
3177 FILETIME c, e, k, u;
3178 proc = GetCurrentProcess();
3179 GetProcessTimes(proc, &c, &e, &k, &u);
3180 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3181 #else
3182 return av_gettime();
3183 #endif
3184 }
3185
3186 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3187 extern int ffm_nopts;
3188 #endif
3189
3190 static void opt_show_formats(void)
3191 {
3192 AVInputFormat *ifmt;
3193 AVOutputFormat *ofmt;
3194 URLProtocol *up;
3195 AVCodec *p, *p2;
3196 const char *last_name;
3197
3198 printf("File formats:\n");
3199 last_name= "000";
3200 for(;;){
3201 int decode=0;
3202 int encode=0;
3203 const char *name=NULL;
3204 const char *long_name=NULL;
3205
3206 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3207 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3208 strcmp(ofmt->name, last_name)>0){
3209 name= ofmt->name;
3210 long_name= ofmt->long_name;
3211 encode=1;
3212 }
3213 }
3214 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3215 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3216 strcmp(ifmt->name, last_name)>0){
3217 name= ifmt->name;
3218 long_name= ifmt->long_name;
3219 encode=0;
3220 }
3221 if(name && strcmp(ifmt->name, name)==0)
3222 decode=1;
3223 }
3224 if(name==NULL)
3225 break;
3226 last_name= name;
3227
3228 printf(
3229 " %s%s %-15s %s\n",
3230 decode ? "D":" ",
3231 encode ? "E":" ",
3232 name,
3233 long_name ? long_name:" ");
3234 }
3235 printf("\n");
3236
3237 printf("Codecs:\n");
3238 last_name= "000";
3239 for(;;){
3240 int decode=0;