remove warnings
[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 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 int video_codec_id = CODEC_ID_NONE;
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 int audio_codec_id = CODEC_ID_NONE;
150 static int audio_codec_tag = 0;
151 static char *audio_language = NULL;
152
153 static int subtitle_codec_id = CODEC_ID_NONE;
154 static char *subtitle_language = NULL;
155
156 static float mux_preload= 0.5;
157 static float mux_max_delay= 0.7;
158
159 static int64_t recording_time = 0;
160 static int64_t start_time = 0;
161 static int64_t rec_timestamp = 0;
162 static int64_t input_ts_offset = 0;
163 static int file_overwrite = 0;
164 static char *str_title = NULL;
165 static char *str_author = NULL;
166 static char *str_copyright = NULL;
167 static char *str_comment = NULL;
168 static char *str_album = NULL;
169 static int do_benchmark = 0;
170 static int do_hex_dump = 0;
171 static int do_pkt_dump = 0;
172 static int do_psnr = 0;
173 static int do_pass = 0;
174 static char *pass_logfilename = NULL;
175 static int audio_stream_copy = 0;
176 static int video_stream_copy = 0;
177 static int subtitle_stream_copy = 0;
178 static int video_sync_method= 1;
179 static int audio_sync_method= 0;
180 static int copy_ts= 0;
181 static int opt_shortest = 0; //
182 static int video_global_header = 0;
183 static char *vstats_filename;
184 static FILE *fvstats;
185
186 static int rate_emu = 0;
187
188 static int video_channel = 0;
189 static char *video_standard;
190
191 static int audio_volume = 256;
192
193 static int using_stdin = 0;
194 static int using_vhook = 0;
195 static int verbose = 1;
196 static int thread_count= 1;
197 static int q_pressed = 0;
198 static int64_t video_size = 0;
199 static int64_t audio_size = 0;
200 static int64_t extra_size = 0;
201 static int nb_frames_dup = 0;
202 static int nb_frames_drop = 0;
203 static int input_sync;
204 static uint64_t limit_filesize = 0; //
205
206 static int pgmyuv_compatibility_hack=0;
207 static int dts_delta_threshold = 10;
208
209 static int sws_flags = SWS_BICUBIC;
210
211 static const char **opt_names;
212 static int opt_name_count;
213 static AVCodecContext *avctx_opts[CODEC_TYPE_NB];
214 static AVFormatContext *avformat_opts;
215 static struct SwsContext *sws_opts;
216 static int64_t timer_start;
217
218 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
219 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
220 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
221
222 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
223
224 struct AVInputStream;
225
226 typedef struct AVOutputStream {
227 int file_index; /* file index */
228 int index; /* stream index in the output file */
229 int source_index; /* AVInputStream index */
230 AVStream *st; /* stream in the output file */
231 int encoding_needed; /* true if encoding needed for this stream */
232 int frame_number;
233 /* input pts and corresponding output pts
234 for A/V sync */
235 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
236 struct AVInputStream *sync_ist; /* input stream to sync against */
237 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
238 /* video only */
239 int video_resample;
240 AVFrame pict_tmp; /* temporary image for resampling */
241 struct SwsContext *img_resample_ctx; /* for image resampling */
242 int resample_height;
243
244 int video_crop;
245 int topBand; /* cropping area sizes */
246 int leftBand;
247
248 int video_pad;
249 int padtop; /* padding area sizes */
250 int padbottom;
251 int padleft;
252 int padright;
253
254 /* audio only */
255 int audio_resample;
256 ReSampleContext *resample; /* for audio resampling */
257 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
258 FILE *logfile;
259 } AVOutputStream;
260
261 typedef struct AVInputStream {
262 int file_index;
263 int index;
264 AVStream *st;
265 int discard; /* true if stream data should be discarded */
266 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
267 int64_t sample_index; /* current sample */
268
269 int64_t start; /* time when read started */
270 unsigned long frame; /* current frame */
271 int64_t next_pts; /* synthetic pts for cases where pkt.pts
272 is not defined */
273 int64_t pts; /* current pts */
274 int is_start; /* is 1 at the start and after a discontinuity */
275 } AVInputStream;
276
277 typedef struct AVInputFile {
278 int eof_reached; /* true if eof reached */
279 int ist_index; /* index of first stream in ist_table */
280 int buffer_size; /* current total buffer size */
281 int nb_streams; /* nb streams we are aware of */
282 } AVInputFile;
283
284 #ifdef HAVE_TERMIOS_H
285
286 /* init terminal so that we can grab keys */
287 static struct termios oldtty;
288 #endif
289
290 static void term_exit(void)
291 {
292 #ifdef HAVE_TERMIOS_H
293 tcsetattr (0, TCSANOW, &oldtty);
294 #endif
295 }
296
297 static volatile sig_atomic_t received_sigterm = 0;
298
299 static void
300 sigterm_handler(int sig)
301 {
302 received_sigterm = sig;
303 term_exit();
304 }
305
306 static void term_init(void)
307 {
308 #ifdef HAVE_TERMIOS_H
309 struct termios tty;
310
311 tcgetattr (0, &tty);
312 oldtty = tty;
313
314 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
315 |INLCR|IGNCR|ICRNL|IXON);
316 tty.c_oflag |= OPOST;
317 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
318 tty.c_cflag &= ~(CSIZE|PARENB);
319 tty.c_cflag |= CS8;
320 tty.c_cc[VMIN] = 1;
321 tty.c_cc[VTIME] = 0;
322
323 tcsetattr (0, TCSANOW, &tty);
324 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
325 #endif
326
327 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
328 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
329 /*
330 register a function to be called at normal program termination
331 */
332 atexit(term_exit);
333 #ifdef CONFIG_BEOS_NETSERVER
334 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
335 #endif
336 }
337
338 /* read a key without blocking */
339 static int read_key(void)
340 {
341 #if defined(HAVE_TERMIOS_H)
342 int n = 1;
343 unsigned char ch;
344 #ifndef CONFIG_BEOS_NETSERVER
345 struct timeval tv;
346 fd_set rfds;
347
348 FD_ZERO(&rfds);
349 FD_SET(0, &rfds);
350 tv.tv_sec = 0;
351 tv.tv_usec = 0;
352 n = select(1, &rfds, NULL, NULL, &tv);
353 #endif
354 if (n > 0) {
355 n = read(0, &ch, 1);
356 if (n == 1)
357 return ch;
358
359 return n;
360 }
361 #elif defined(HAVE_CONIO_H)
362 if(kbhit())
363 return(getch());
364 #endif
365 return -1;
366 }
367
368 static int decode_interrupt_cb(void)
369 {
370 return q_pressed || (q_pressed = read_key() == 'q');
371 }
372
373 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
374 {
375 int i, err;
376 AVFormatContext *ic;
377
378 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
379 if (err < 0)
380 return err;
381 /* copy stream format */
382 s->nb_streams = ic->nb_streams;
383 for(i=0;i<ic->nb_streams;i++) {
384 AVStream *st;
385
386 // FIXME: a more elegant solution is needed
387 st = av_mallocz(sizeof(AVStream));
388 memcpy(st, ic->streams[i], sizeof(AVStream));
389 st->codec = avcodec_alloc_context();
390 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
391 s->streams[i] = st;
392 }
393
394 av_close_input_file(ic);
395 return 0;
396 }
397
398 static double
399 get_sync_ipts(const AVOutputStream *ost)
400 {
401 const AVInputStream *ist = ost->sync_ist;
402 return (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/AV_TIME_BASE;
403 }
404
405 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
406 while(bsfc){
407 AVPacket new_pkt= *pkt;
408 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
409 &new_pkt.data, &new_pkt.size,
410 pkt->data, pkt->size,
411 pkt->flags & PKT_FLAG_KEY);
412 if(a){
413 av_free_packet(pkt);
414 new_pkt.destruct= av_destruct_packet;
415 }
416 *pkt= new_pkt;
417
418 bsfc= bsfc->next;
419 }
420
421 av_interleaved_write_frame(s, pkt);
422 }
423
424 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
425
426 static void do_audio_out(AVFormatContext *s,
427 AVOutputStream *ost,
428 AVInputStream *ist,
429 unsigned char *buf, int size)
430 {
431 uint8_t *buftmp;
432 static uint8_t *audio_buf = NULL;
433 static uint8_t *audio_out = NULL;
434 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
435
436 int size_out, frame_bytes, ret;
437 AVCodecContext *enc= ost->st->codec;
438
439 /* SC: dynamic allocation of buffers */
440 if (!audio_buf)
441 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
442 if (!audio_out)
443 audio_out = av_malloc(audio_out_size);
444 if (!audio_buf || !audio_out)
445 return; /* Should signal an error ! */
446
447 if(audio_sync_method){
448 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
449 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
450 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
451 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
452
453 //FIXME resample delay
454 if(fabs(delta) > 50){
455 if(ist->is_start){
456 if(byte_delta < 0){
457 byte_delta= FFMAX(byte_delta, -size);
458 size += byte_delta;
459 buf -= byte_delta;
460 if(verbose > 2)
461 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
462 if(!size)
463 return;
464 ist->is_start=0;
465 }else{
466 static uint8_t *input_tmp= NULL;
467 input_tmp= av_realloc(input_tmp, byte_delta + size);
468
469 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
470 ist->is_start=0;
471 else
472 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
473
474 memset(input_tmp, 0, byte_delta);
475 memcpy(input_tmp + byte_delta, buf, size);
476 buf= input_tmp;
477 size += byte_delta;
478 if(verbose > 2)
479 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
480 }
481 }else if(audio_sync_method>1){
482 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
483 assert(ost->audio_resample);
484 if(verbose > 2)
485 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
486 // 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));
487 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
488 }
489 }
490 }else
491 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
492 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
493
494 if (ost->audio_resample) {
495 buftmp = audio_buf;
496 size_out = audio_resample(ost->resample,
497 (short *)buftmp, (short *)buf,
498 size / (ist->st->codec->channels * 2));
499 size_out = size_out * enc->channels * 2;
500 } else {
501 buftmp = buf;
502 size_out = size;
503 }
504
505 /* now encode as many frames as possible */
506 if (enc->frame_size > 1) {
507 /* output resampled raw samples */
508 av_fifo_write(&ost->fifo, buftmp, size_out);
509
510 frame_bytes = enc->frame_size * 2 * enc->channels;
511
512 while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
513 AVPacket pkt;
514 av_init_packet(&pkt);
515
516 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
517 (short *)audio_buf);
518 audio_size += ret;
519 pkt.stream_index= ost->index;
520 pkt.data= audio_out;
521 pkt.size= ret;
522 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
523 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
524 pkt.flags |= PKT_FLAG_KEY;
525 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
526
527 ost->sync_opts += enc->frame_size;
528 }
529 } else {
530 AVPacket pkt;
531 av_init_packet(&pkt);
532
533 ost->sync_opts += size_out / (2 * enc->channels);
534
535 /* output a pcm frame */
536 /* XXX: change encoding codec API to avoid this ? */
537 switch(enc->codec->id) {
538 case CODEC_ID_PCM_S32LE:
539 case CODEC_ID_PCM_S32BE:
540 case CODEC_ID_PCM_U32LE:
541 case CODEC_ID_PCM_U32BE:
542 size_out = size_out << 1;
543 break;
544 case CODEC_ID_PCM_S24LE:
545 case CODEC_ID_PCM_S24BE:
546 case CODEC_ID_PCM_U24LE:
547 case CODEC_ID_PCM_U24BE:
548 case CODEC_ID_PCM_S24DAUD:
549 size_out = size_out / 2 * 3;
550 break;
551 case CODEC_ID_PCM_S16LE:
552 case CODEC_ID_PCM_S16BE:
553 case CODEC_ID_PCM_U16LE:
554 case CODEC_ID_PCM_U16BE:
555 break;
556 default:
557 size_out = size_out >> 1;
558 break;
559 }
560 ret = avcodec_encode_audio(enc, audio_out, size_out,
561 (short *)buftmp);
562 audio_size += ret;
563 pkt.stream_index= ost->index;
564 pkt.data= audio_out;
565 pkt.size= ret;
566 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
567 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
568 pkt.flags |= PKT_FLAG_KEY;
569 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
570 }
571 }
572
573 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
574 {
575 AVCodecContext *dec;
576 AVPicture *picture2;
577 AVPicture picture_tmp;
578 uint8_t *buf = 0;
579
580 dec = ist->st->codec;
581
582 /* deinterlace : must be done before any resize */
583 if (do_deinterlace || using_vhook) {
584 int size;
585
586 /* create temporary picture */
587 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
588 buf = av_malloc(size);
589 if (!buf)
590 return;
591
592 picture2 = &picture_tmp;
593 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
594
595 if (do_deinterlace){
596 if(avpicture_deinterlace(picture2, picture,
597 dec->pix_fmt, dec->width, dec->height) < 0) {
598 /* if error, do not deinterlace */
599 av_free(buf);
600 buf = NULL;
601 picture2 = picture;
602 }
603 } else {
604 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
605 }
606 } else {
607 picture2 = picture;
608 }
609
610 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
611 1000000 * ist->pts / AV_TIME_BASE);
612
613 if (picture != picture2)
614 *picture = *picture2;
615 *bufp = buf;
616 }
617
618 /* we begin to correct av delay at this threshold */
619 #define AV_DELAY_MAX 0.100
620
621 static void do_subtitle_out(AVFormatContext *s,
622 AVOutputStream *ost,
623 AVInputStream *ist,
624 AVSubtitle *sub,
625 int64_t pts)
626 {
627 static uint8_t *subtitle_out = NULL;
628 int subtitle_out_max_size = 65536;
629 int subtitle_out_size, nb, i;
630 AVCodecContext *enc;
631 AVPacket pkt;
632
633 if (pts == AV_NOPTS_VALUE) {
634 fprintf(stderr, "Subtitle packets must have a pts\n");
635 return;
636 }
637
638 enc = ost->st->codec;
639
640 if (!subtitle_out) {
641 subtitle_out = av_malloc(subtitle_out_max_size);
642 }
643
644 /* Note: DVB subtitle need one packet to draw them and one other
645 packet to clear them */
646 /* XXX: signal it in the codec context ? */
647 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
648 nb = 2;
649 else
650 nb = 1;
651
652 for(i = 0; i < nb; i++) {
653 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
654 subtitle_out_max_size, sub);
655
656 av_init_packet(&pkt);
657 pkt.stream_index = ost->index;
658 pkt.data = subtitle_out;
659 pkt.size = subtitle_out_size;
660 pkt.pts = av_rescale_q(av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q) + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
661 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
662 /* XXX: the pts correction is handled here. Maybe handling
663 it in the codec would be better */
664 if (i == 0)
665 pkt.pts += 90 * sub->start_display_time;
666 else
667 pkt.pts += 90 * sub->end_display_time;
668 }
669 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
670 }
671 }
672
673 static int bit_buffer_size= 1024*256;
674 static uint8_t *bit_buffer= NULL;
675
676 static void do_video_out(AVFormatContext *s,
677 AVOutputStream *ost,
678 AVInputStream *ist,
679 AVFrame *in_picture,
680 int *frame_size)
681 {
682 int nb_frames, i, ret;
683 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
684 AVFrame picture_crop_temp, picture_pad_temp;
685 AVCodecContext *enc, *dec;
686
687 avcodec_get_frame_defaults(&picture_crop_temp);
688 avcodec_get_frame_defaults(&picture_pad_temp);
689
690 enc = ost->st->codec;
691 dec = ist->st->codec;
692
693 /* by default, we output a single frame */
694 nb_frames = 1;
695
696 *frame_size = 0;
697
698 if(video_sync_method){
699 double vdelta;
700 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
701 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
702 if (vdelta < -1.1)
703 nb_frames = 0;
704 else if (vdelta > 1.1)
705 nb_frames = lrintf(vdelta);
706 //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);
707 if (nb_frames == 0){
708 ++nb_frames_drop;
709 if (verbose>2)
710 fprintf(stderr, "*** drop!\n");
711 }else if (nb_frames > 1) {
712 nb_frames_dup += nb_frames;
713 if (verbose>2)
714 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
715 }
716 }else
717 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
718
719 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
720 if (nb_frames <= 0)
721 return;
722
723 if (ost->video_crop) {
724 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
725 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
726 return;
727 }
728 formatted_picture = &picture_crop_temp;
729 } else {
730 formatted_picture = in_picture;
731 }
732
733 final_picture = formatted_picture;
734 padding_src = formatted_picture;
735 resampling_dst = &ost->pict_tmp;
736 if (ost->video_pad) {
737 final_picture = &ost->pict_tmp;
738 if (ost->video_resample) {
739 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
740 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
741 return;
742 }
743 resampling_dst = &picture_pad_temp;
744 }
745 }
746
747 if (ost->video_resample) {
748 padding_src = NULL;
749 final_picture = &ost->pict_tmp;
750 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
751 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
752 }
753
754 if (ost->video_pad) {
755 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
756 enc->height, enc->width, enc->pix_fmt,
757 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
758 }
759
760 /* duplicates frame if needed */
761 for(i=0;i<nb_frames;i++) {
762 AVPacket pkt;
763 av_init_packet(&pkt);
764 pkt.stream_index= ost->index;
765
766 if (s->oformat->flags & AVFMT_RAWPICTURE) {
767 /* raw pictures are written as AVPicture structure to
768 avoid any copies. We support temorarily the older
769 method. */
770 AVFrame* old_frame = enc->coded_frame;
771 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
772 pkt.data= (uint8_t *)final_picture;
773 pkt.size= sizeof(AVPicture);
774 if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
775 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
776 if(dec->coded_frame && dec->coded_frame->key_frame)
777 pkt.flags |= PKT_FLAG_KEY;
778
779 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
780 enc->coded_frame = old_frame;
781 } else {
782 AVFrame big_picture;
783
784 big_picture= *final_picture;
785 /* better than nothing: use input picture interlaced
786 settings */
787 big_picture.interlaced_frame = in_picture->interlaced_frame;
788 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
789 if(top_field_first == -1)
790 big_picture.top_field_first = in_picture->top_field_first;
791 else
792 big_picture.top_field_first = top_field_first;
793 }
794
795 /* handles sameq here. This is not correct because it may
796 not be a global option */
797 if (same_quality) {
798 big_picture.quality = ist->st->quality;
799 }else
800 big_picture.quality = ost->st->quality;
801 if(!me_threshold)
802 big_picture.pict_type = 0;
803 // big_picture.pts = AV_NOPTS_VALUE;
804 big_picture.pts= ost->sync_opts;
805 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
806 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
807 ret = avcodec_encode_video(enc,
808 bit_buffer, bit_buffer_size,
809 &big_picture);
810 if (ret == -1) {
811 fprintf(stderr, "Video encoding failed\n");
812 exit(1);
813 }
814 //enc->frame_number = enc->real_pict_num;
815 if(ret>0){
816 pkt.data= bit_buffer;
817 pkt.size= ret;
818 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
819 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
820 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
821 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
822 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
823
824 if(enc->coded_frame && enc->coded_frame->key_frame)
825 pkt.flags |= PKT_FLAG_KEY;
826 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
827 *frame_size = ret;
828 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
829 // enc->frame_number-1, enc->real_pict_num, ret,
830 // enc->pict_type);
831 /* if two pass, output log */
832 if (ost->logfile && enc->stats_out) {
833 fprintf(ost->logfile, "%s", enc->stats_out);
834 }
835 }
836 }
837 ost->sync_opts++;
838 ost->frame_number++;
839 }
840 }
841
842 static double psnr(double d){
843 if(d==0) return INFINITY;
844 return -10.0*log(d)/log(10.0);
845 }
846
847 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
848 int frame_size)
849 {
850 AVCodecContext *enc;
851 int frame_number;
852 int64_t ti;
853 double ti1, bitrate, avg_bitrate;
854
855 /* this is executed just the first time do_video_stats is called */
856 if (!fvstats) {
857 fvstats = fopen(vstats_filename, "w");
858 if (!fvstats) {
859 perror("fopen");
860 exit(1);
861 }
862 }
863
864 ti = INT64_MAX;
865 enc = ost->st->codec;
866 if (enc->codec_type == CODEC_TYPE_VIDEO) {
867 frame_number = ost->frame_number;
868 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
869 if (enc->flags&CODEC_FLAG_PSNR)
870 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
871
872 fprintf(fvstats,"f_size= %6d ", frame_size);
873 /* compute pts value */
874 ti1 = ost->sync_opts * av_q2d(enc->time_base);
875 if (ti1 < 0.01)
876 ti1 = 0.01;
877
878 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
879 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
880 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
881 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
882 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
883 }
884 }
885
886 static void print_report(AVFormatContext **output_files,
887 AVOutputStream **ost_table, int nb_ostreams,
888 int is_last_report)
889 {
890 char buf[1024];
891 AVOutputStream *ost;
892 AVFormatContext *oc, *os;
893 int64_t total_size;
894 AVCodecContext *enc;
895 int frame_number, vid, i;
896 double bitrate, ti1, pts;
897 static int64_t last_time = -1;
898 static int qp_histogram[52];
899
900 if (!is_last_report) {
901 int64_t cur_time;
902 /* display the report every 0.5 seconds */
903 cur_time = av_gettime();
904 if (last_time == -1) {
905 last_time = cur_time;
906 return;
907 }
908 if ((cur_time - last_time) < 500000)
909 return;
910 last_time = cur_time;
911 }
912
913
914 oc = output_files[0];
915
916 total_size = url_fsize(&oc->pb);
917 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
918 total_size= url_ftell(&oc->pb);
919
920 buf[0] = '\0';
921 ti1 = 1e10;
922 vid = 0;
923 for(i=0;i<nb_ostreams;i++) {
924 ost = ost_table[i];
925 os = output_files[ost->file_index];
926 enc = ost->st->codec;
927 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
928 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
929 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
930 }
931 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
932 float t = (av_gettime()-timer_start) / 1000000.0;
933
934 frame_number = ost->frame_number;
935 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
936 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
937 enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
938 if(is_last_report)
939 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
940 if(qp_hist && enc->coded_frame){
941 int j;
942 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
943 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
944 qp_histogram[qp]++;
945 for(j=0; j<32; j++)
946 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
947 }
948 if (enc->flags&CODEC_FLAG_PSNR){
949 int j;
950 double error, error_sum=0;
951 double scale, scale_sum=0;
952 char type[3]= {'Y','U','V'};
953 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
954 for(j=0; j<3; j++){
955 if(is_last_report){
956 error= enc->error[j];
957 scale= enc->width*enc->height*255.0*255.0*frame_number;
958 }else{
959 error= enc->coded_frame->error[j];
960 scale= enc->width*enc->height*255.0*255.0;
961 }
962 if(j) scale/=4;
963 error_sum += error;
964 scale_sum += scale;
965 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
966 }
967 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
968 }
969 vid = 1;
970 }
971 /* compute min output value */
972 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
973 if ((pts < ti1) && (pts > 0))
974 ti1 = pts;
975 }
976 if (ti1 < 0.01)
977 ti1 = 0.01;
978
979 if (verbose || is_last_report) {
980 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
981
982 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
983 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
984 (double)total_size / 1024, ti1, bitrate);
985
986 if (verbose > 1)
987 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
988 nb_frames_dup, nb_frames_drop);
989
990 if (verbose >= 0)
991 fprintf(stderr, "%s \r", buf);
992
993 fflush(stderr);
994 }
995
996 if (is_last_report && verbose >= 0){
997 int64_t raw= audio_size + video_size + extra_size;
998 fprintf(stderr, "\n");
999 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1000 video_size/1024.0,
1001 audio_size/1024.0,
1002 extra_size/1024.0,
1003 100.0*(total_size - raw)/raw
1004 );
1005 }
1006 }
1007
1008 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1009 static int output_packet(AVInputStream *ist, int ist_index,
1010 AVOutputStream **ost_table, int nb_ostreams,
1011 const AVPacket *pkt)
1012 {
1013 AVFormatContext *os;
1014 AVOutputStream *ost;
1015 uint8_t *ptr;
1016 int len, ret, i;
1017 uint8_t *data_buf;
1018 int data_size, got_picture;
1019 AVFrame picture;
1020 void *buffer_to_free;
1021 static unsigned int samples_size= 0;
1022 static short *samples= NULL;
1023 AVSubtitle subtitle, *subtitle_to_free;
1024 int got_subtitle;
1025
1026 if(!pkt){
1027 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1028 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1029 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1030 } else {
1031 // assert(ist->pts == ist->next_pts);
1032 }
1033
1034 if (pkt == NULL) {
1035 /* EOF handling */
1036 ptr = NULL;
1037 len = 0;
1038 goto handle_eof;
1039 }
1040
1041 len = pkt->size;
1042 ptr = pkt->data;
1043 while (len > 0) {
1044 handle_eof:
1045 /* decode the packet if needed */
1046 data_buf = NULL; /* fail safe */
1047 data_size = 0;
1048 subtitle_to_free = NULL;
1049 if (ist->decoding_needed) {
1050 switch(ist->st->codec->codec_type) {
1051 case CODEC_TYPE_AUDIO:{
1052 if(pkt)
1053 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1054 data_size= samples_size;
1055 /* XXX: could avoid copy if PCM 16 bits with same
1056 endianness as CPU */
1057 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1058 ptr, len);
1059 if (ret < 0)
1060 goto fail_decode;
1061 ptr += ret;
1062 len -= ret;
1063 /* Some bug in mpeg audio decoder gives */
1064 /* data_size < 0, it seems they are overflows */
1065 if (data_size <= 0) {
1066 /* no audio frame */
1067 continue;
1068 }
1069 data_buf = (uint8_t *)samples;
1070 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1071 (ist->st->codec->sample_rate * ist->st->codec->channels);
1072 break;}
1073 case CODEC_TYPE_VIDEO:
1074 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1075 /* XXX: allocate picture correctly */
1076 avcodec_get_frame_defaults(&picture);
1077
1078 ret = avcodec_decode_video(ist->st->codec,
1079 &picture, &got_picture, ptr, len);
1080 ist->st->quality= picture.quality;
1081 if (ret < 0)
1082 goto fail_decode;
1083 if (!got_picture) {
1084 /* no picture yet */
1085 goto discard_packet;
1086 }
1087 if (ist->st->codec->time_base.num != 0) {
1088 ist->next_pts += ((int64_t)AV_TIME_BASE *
1089 ist->st->codec->time_base.num) /
1090 ist->st->codec->time_base.den;
1091 }
1092 len = 0;
1093 break;
1094 case CODEC_TYPE_SUBTITLE:
1095 ret = avcodec_decode_subtitle(ist->st->codec,
1096 &subtitle, &got_subtitle, ptr, len);
1097 if (ret < 0)
1098 goto fail_decode;
1099 if (!got_subtitle) {
1100 goto discard_packet;
1101 }
1102 subtitle_to_free = &subtitle;
1103 len = 0;
1104 break;
1105 default:
1106 goto fail_decode;
1107 }
1108 } else {
1109 switch(ist->st->codec->codec_type) {
1110 case CODEC_TYPE_AUDIO:
1111 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1112 (ist->st->codec->sample_rate * ist->st->codec->channels);
1113 break;
1114 case CODEC_TYPE_VIDEO:
1115 if (ist->st->codec->time_base.num != 0) {
1116 ist->next_pts += ((int64_t)AV_TIME_BASE *
1117 ist->st->codec->time_base.num) /
1118 ist->st->codec->time_base.den;
1119 }
1120 break;
1121 }
1122 data_buf = ptr;
1123 data_size = len;
1124 ret = len;
1125 len = 0;
1126 }
1127
1128 buffer_to_free = NULL;
1129 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1130 pre_process_video_frame(ist, (AVPicture *)&picture,
1131 &buffer_to_free);
1132 }
1133
1134 // preprocess audio (volume)
1135 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1136 if (audio_volume != 256) {
1137 short *volp;
1138 volp = samples;
1139 for(i=0;i<(data_size / sizeof(short));i++) {
1140 int v = ((*volp) * audio_volume + 128) >> 8;
1141 if (v < -32768) v = -32768;
1142 if (v > 32767) v = 32767;
1143 *volp++ = v;
1144 }
1145 }
1146 }
1147
1148 /* frame rate emulation */
1149 if (ist->st->codec->rate_emu) {
1150 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1151 int64_t now = av_gettime() - ist->start;
1152 if (pts > now)
1153 usleep(pts - now);
1154
1155 ist->frame++;
1156 }
1157
1158 #if 0
1159 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1160 is the one of the next displayed one */
1161 /* XXX: add mpeg4 too ? */
1162 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1163 if (ist->st->codec->pict_type != B_TYPE) {
1164 int64_t tmp;
1165 tmp = ist->last_ip_pts;
1166 ist->last_ip_pts = ist->frac_pts.val;
1167 ist->frac_pts.val = tmp;
1168 }
1169 }
1170 #endif
1171 /* if output time reached then transcode raw format,
1172 encode packets and output them */
1173 if (start_time == 0 || ist->pts >= start_time)
1174 for(i=0;i<nb_ostreams;i++) {
1175 int frame_size;
1176
1177 ost = ost_table[i];
1178 if (ost->source_index == ist_index) {
1179 os = output_files[ost->file_index];
1180
1181 #if 0
1182 printf("%d: got pts=%0.3f %0.3f\n", i,
1183 (double)pkt->pts / AV_TIME_BASE,
1184 ((double)ist->pts / AV_TIME_BASE) -
1185 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1186 #endif
1187 /* set the input output pts pairs */
1188 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1189
1190 if (ost->encoding_needed) {
1191 switch(ost->st->codec->codec_type) {
1192 case CODEC_TYPE_AUDIO:
1193 do_audio_out(os, ost, ist, data_buf, data_size);
1194 break;
1195 case CODEC_TYPE_VIDEO:
1196 do_video_out(os, ost, ist, &picture, &frame_size);
1197 video_size += frame_size;
1198 if (vstats_filename && frame_size)
1199 do_video_stats(os, ost, frame_size);
1200 break;
1201 case CODEC_TYPE_SUBTITLE:
1202 do_subtitle_out(os, ost, ist, &subtitle,
1203 pkt->pts);
1204 break;
1205 default:
1206 abort();
1207 }
1208 } else {
1209 AVFrame avframe; //FIXME/XXX remove this
1210 AVPacket opkt;
1211 av_init_packet(&opkt);
1212
1213 /* no reencoding needed : output the packet directly */
1214 /* force the input stream PTS */
1215
1216 avcodec_get_frame_defaults(&avframe);
1217 ost->st->codec->coded_frame= &avframe;
1218 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1219
1220 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1221 audio_size += data_size;
1222 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1223 video_size += data_size;
1224 ost->sync_opts++;
1225 }
1226
1227 opkt.stream_index= ost->index;
1228 if(pkt->pts != AV_NOPTS_VALUE)
1229 opkt.pts= av_rescale_q(av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q) + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1230 else
1231 opkt.pts= AV_NOPTS_VALUE;
1232
1233 {
1234 int64_t dts;
1235 if (pkt->dts == AV_NOPTS_VALUE)
1236 dts = ist->next_pts;
1237 else
1238 dts= av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1239 opkt.dts= av_rescale_q(dts + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1240 }
1241 opkt.flags= pkt->flags;
1242
1243 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1244 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1245 opkt.destruct= av_destruct_packet;
1246
1247 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][pkt->stream_index]);
1248 ost->st->codec->frame_number++;
1249 ost->frame_number++;
1250 av_free_packet(&opkt);
1251 }
1252 }
1253 }
1254 av_free(buffer_to_free);
1255 /* XXX: allocate the subtitles in the codec ? */
1256 if (subtitle_to_free) {
1257 if (subtitle_to_free->rects != NULL) {
1258 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1259 av_free(subtitle_to_free->rects[i].bitmap);
1260 av_free(subtitle_to_free->rects[i].rgba_palette);
1261 }
1262 av_freep(&subtitle_to_free->rects);
1263 }
1264 subtitle_to_free->num_rects = 0;
1265 subtitle_to_free = NULL;
1266 }
1267 }
1268 discard_packet:
1269 if (pkt == NULL) {
1270 /* EOF handling */
1271
1272 for(i=0;i<nb_ostreams;i++) {
1273 ost = ost_table[i];
1274 if (ost->source_index == ist_index) {
1275 AVCodecContext *enc= ost->st->codec;
1276 os = output_files[ost->file_index];
1277
1278 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1279 continue;
1280 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1281 continue;
1282
1283 if (ost->encoding_needed) {
1284 for(;;) {
1285 AVPacket pkt;
1286 int fifo_bytes;
1287 av_init_packet(&pkt);
1288 pkt.stream_index= ost->index;
1289
1290 switch(ost->st->codec->codec_type) {
1291 case CODEC_TYPE_AUDIO:
1292 fifo_bytes = av_fifo_size(&ost->fifo);
1293 ret = 0;
1294 /* encode any samples remaining in fifo */
1295 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1296 int fs_tmp = enc->frame_size;
1297 enc->frame_size = fifo_bytes / (2 * enc->channels);
1298 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1299 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1300 }
1301 enc->frame_size = fs_tmp;
1302 }
1303 if(ret <= 0) {
1304 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1305 }
1306 audio_size += ret;
1307 pkt.flags |= PKT_FLAG_KEY;
1308 break;
1309 case CODEC_TYPE_VIDEO:
1310 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1311 video_size += ret;
1312 if(enc->coded_frame && enc->coded_frame->key_frame)
1313 pkt.flags |= PKT_FLAG_KEY;
1314 if (ost->logfile && enc->stats_out) {
1315 fprintf(ost->logfile, "%s", enc->stats_out);
1316 }
1317 break;
1318 default:
1319 ret=-1;
1320 }
1321
1322 if(ret<=0)
1323 break;
1324 pkt.data= bit_buffer;
1325 pkt.size= ret;
1326 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1327 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1328 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1329 }
1330 }
1331 }
1332 }
1333 }
1334
1335 return 0;
1336 fail_decode:
1337 return -1;
1338 }
1339
1340
1341 /*
1342 * The following code is the main loop of the file converter
1343 */
1344 static int av_encode(AVFormatContext **output_files,
1345 int nb_output_files,
1346 AVFormatContext **input_files,
1347 int nb_input_files,
1348 AVStreamMap *stream_maps, int nb_stream_maps)
1349 {
1350 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1351 AVFormatContext *is, *os;
1352 AVCodecContext *codec, *icodec;
1353 AVOutputStream *ost, **ost_table = NULL;
1354 AVInputStream *ist, **ist_table = NULL;
1355 AVInputFile *file_table;
1356 int key;
1357
1358 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1359 if (!file_table)
1360 goto fail;
1361
1362 /* input stream init */
1363 j = 0;
1364 for(i=0;i<nb_input_files;i++) {
1365 is = input_files[i];
1366 file_table[i].ist_index = j;
1367 file_table[i].nb_streams = is->nb_streams;
1368 j += is->nb_streams;
1369 }
1370 nb_istreams = j;
1371
1372 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1373 if (!ist_table)
1374 goto fail;
1375
1376 for(i=0;i<nb_istreams;i++) {
1377 ist = av_mallocz(sizeof(AVInputStream));
1378 if (!ist)
1379 goto fail;
1380 ist_table[i] = ist;
1381 }
1382 j = 0;
1383 for(i=0;i<nb_input_files;i++) {
1384 is = input_files[i];
1385 for(k=0;k<is->nb_streams;k++) {
1386 ist = ist_table[j++];
1387 ist->st = is->streams[k];
1388 ist->file_index = i;
1389 ist->index = k;
1390 ist->discard = 1; /* the stream is discarded by default
1391 (changed later) */
1392
1393 if (ist->st->codec->rate_emu) {
1394 ist->start = av_gettime();
1395 ist->frame = 0;
1396 }
1397 }
1398 }
1399
1400 /* output stream init */
1401 nb_ostreams = 0;
1402 for(i=0;i<nb_output_files;i++) {
1403 os = output_files[i];
1404 if (!os->nb_streams) {
1405 fprintf(stderr, "Output file does not contain any stream\n");
1406 exit(1);
1407 }
1408 nb_ostreams += os->nb_streams;
1409 }
1410 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1411 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1412 exit(1);
1413 }
1414
1415 /* Sanity check the mapping args -- do the input files & streams exist? */
1416 for(i=0;i<nb_stream_maps;i++) {
1417 int fi = stream_maps[i].file_index;
1418 int si = stream_maps[i].stream_index;
1419
1420 if (fi < 0 || fi > nb_input_files - 1 ||
1421 si < 0 || si > file_table[fi].nb_streams - 1) {
1422 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1423 exit(1);
1424 }
1425 fi = stream_maps[i].sync_file_index;
1426 si = stream_maps[i].sync_stream_index;
1427 if (fi < 0 || fi > nb_input_files - 1 ||
1428 si < 0 || si > file_table[fi].nb_streams - 1) {
1429 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1430 exit(1);
1431 }
1432 }
1433
1434 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1435 if (!ost_table)
1436 goto fail;
1437 for(i=0;i<nb_ostreams;i++) {
1438 ost = av_mallocz(sizeof(AVOutputStream));
1439 if (!ost)
1440 goto fail;
1441 ost_table[i] = ost;
1442 }
1443
1444 n = 0;
1445 for(k=0;k<nb_output_files;k++) {
1446 os = output_files[k];
1447 for(i=0;i<os->nb_streams;i++) {
1448 int found;
1449 ost = ost_table[n++];
1450 ost->file_index = k;
1451 ost->index = i;
1452 ost->st = os->streams[i];
1453 if (nb_stream_maps > 0) {
1454 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1455 stream_maps[n-1].stream_index;
1456
1457 /* Sanity check that the stream types match */
1458 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1459 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1460 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1461 ost->file_index, ost->index);
1462 exit(1);
1463 }
1464
1465 } else {
1466 /* get corresponding input stream index : we select the first one with the right type */
1467 found = 0;
1468 for(j=0;j<nb_istreams;j++) {
1469 ist = ist_table[j];
1470 if (ist->discard &&
1471 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1472 ost->source_index = j;
1473 found = 1;
1474 break;
1475 }
1476 }
1477
1478 if (!found) {
1479 /* try again and reuse existing stream */
1480 for(j=0;j<nb_istreams;j++) {
1481 ist = ist_table[j];
1482 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1483 ost->source_index = j;
1484 found = 1;
1485 }
1486 }
1487 if (!found) {
1488 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1489 ost->file_index, ost->index);
1490 exit(1);
1491 }
1492 }
1493 }
1494 ist = ist_table[ost->source_index];
1495 ist->discard = 0;
1496 ost->sync_ist = (nb_stream_maps > 0) ?
1497 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1498 stream_maps[n-1].sync_stream_index] : ist;
1499 }
1500 }
1501
1502 /* for each output stream, we compute the right encoding parameters */
1503 for(i=0;i<nb_ostreams;i++) {
1504 ost = ost_table[i];
1505 ist = ist_table[ost->source_index];
1506
1507 codec = ost->st->codec;
1508 icodec = ist->st->codec;
1509
1510 if (ost->st->stream_copy) {
1511 /* if stream_copy is selected, no need to decode or encode */
1512 codec->codec_id = icodec->codec_id;
1513 codec->codec_type = icodec->codec_type;
1514 if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1515 codec->bit_rate = icodec->bit_rate;
1516 codec->extradata= icodec->extradata;
1517 codec->extradata_size= icodec->extradata_size;
1518 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1519 codec->time_base = icodec->time_base;
1520 else
1521 codec->time_base = ist->st->time_base;
1522 switch(codec->codec_type) {
1523 case CODEC_TYPE_AUDIO:
1524 codec->sample_rate = icodec->sample_rate;
1525 codec->channels = icodec->channels;
1526 codec->frame_size = icodec->frame_size;
1527 codec->block_align= icodec->block_align;
1528 break;
1529 case CODEC_TYPE_VIDEO:
1530 if(using_vhook) {
1531 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1532 exit(1);
1533 }
1534 codec->pix_fmt = icodec->pix_fmt;
1535 codec->width = icodec->width;
1536 codec->height = icodec->height;
1537 codec->has_b_frames = icodec->has_b_frames;
1538 break;
1539 case CODEC_TYPE_SUBTITLE:
1540 break;
1541 default:
1542 abort();
1543 }
1544 } else {
1545 switch(codec->codec_type) {
1546 case CODEC_TYPE_AUDIO:
1547 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1548 goto fail;
1549
1550 if (codec->channels == icodec->channels &&
1551 codec->sample_rate == icodec->sample_rate) {
1552 ost->audio_resample = 0;
1553 } else {
1554 if (codec->channels != icodec->channels &&
1555 (icodec->codec_id == CODEC_ID_AC3 ||
1556 icodec->codec_id == CODEC_ID_DTS)) {
1557 /* Special case for 5:1 AC3 and DTS input */
1558 /* and mono or stereo output */
1559 /* Request specific number of channels */
1560 icodec->channels = codec->channels;
1561 if (codec->sample_rate == icodec->sample_rate)
1562 ost->audio_resample = 0;
1563 else {
1564 ost->audio_resample = 1;
1565 }
1566 } else {
1567 ost->audio_resample = 1;
1568 }
1569 }
1570 if(audio_sync_method>1)
1571 ost->audio_resample = 1;
1572
1573 if(ost->audio_resample){
1574 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1575 codec->sample_rate, icodec->sample_rate);
1576 if(!ost->resample){
1577 printf("Can't resample. Aborting.\n");
1578 abort();
1579 }
1580 }
1581 ist->decoding_needed = 1;
1582 ost->encoding_needed = 1;
1583 break;
1584 case CODEC_TYPE_VIDEO:
1585 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1586 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1587 ost->video_resample = ((codec->width != icodec->width -
1588 (frame_leftBand + frame_rightBand) +
1589 (frame_padleft + frame_padright)) ||
1590 (codec->height != icodec->height -
1591 (frame_topBand + frame_bottomBand) +
1592 (frame_padtop + frame_padbottom)) ||
1593 (codec->pix_fmt != icodec->pix_fmt));
1594 if (ost->video_crop) {
1595 ost->topBand = frame_topBand;
1596 ost->leftBand = frame_leftBand;
1597 }
1598 if (ost->video_pad) {
1599 ost->padtop = frame_padtop;
1600 ost->padleft = frame_padleft;
1601 ost->padbottom = frame_padbottom;
1602 ost->padright = frame_padright;
1603 if (!ost->video_resample) {
1604 avcodec_get_frame_defaults(&ost->pict_tmp);
1605 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1606 codec->width, codec->height ) )
1607 goto fail;
1608 }
1609 }
1610 if (ost->video_resample) {
1611 avcodec_get_frame_defaults(&ost->pict_tmp);
1612 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1613 codec->width, codec->height ) ) {
1614 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1615 exit(1);
1616 }
1617 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1618 ost->img_resample_ctx = sws_getContext(
1619 icodec->width - (frame_leftBand + frame_rightBand),
1620 icodec->height - (frame_topBand + frame_bottomBand),
1621 icodec->pix_fmt,
1622 codec->width - (frame_padleft + frame_padright),
1623 codec->height - (frame_padtop + frame_padbottom),
1624 codec->pix_fmt,
1625 sws_flags, NULL, NULL, NULL);
1626 if (ost->img_resample_ctx == NULL) {
1627 fprintf(stderr, "Cannot get resampling context\n");
1628 exit(1);
1629 }
1630 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1631 }
1632 ost->encoding_needed = 1;
1633 ist->decoding_needed = 1;
1634 break;
1635 case CODEC_TYPE_SUBTITLE:
1636 ost->encoding_needed = 1;
1637 ist->decoding_needed = 1;
1638 break;
1639 default:
1640 abort();
1641 break;
1642 }
1643 /* two pass mode */
1644 if (ost->encoding_needed &&
1645 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1646 char logfilename[1024];
1647 FILE *f;
1648 int size;
1649 char *logbuffer;
1650
1651 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1652 pass_logfilename ?
1653 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1654 if (codec->flags & CODEC_FLAG_PASS1) {
1655 f = fopen(logfilename, "w");
1656 if (!f) {
1657 perror(logfilename);
1658 exit(1);
1659 }
1660 ost->logfile = f;
1661 } else {
1662 /* read the log file */
1663 f = fopen(logfilename, "r");
1664 if (!f) {
1665 perror(logfilename);
1666 exit(1);
1667 }
1668 fseek(f, 0, SEEK_END);
1669 size = ftell(f);
1670 fseek(f, 0, SEEK_SET);
1671 logbuffer = av_malloc(size + 1);
1672 if (!logbuffer) {
1673 fprintf(stderr, "Could not allocate log buffer\n");
1674 exit(1);
1675 }
1676 size = fread(logbuffer, 1, size, f);
1677 fclose(f);
1678 logbuffer[size] = '\0';
1679 codec->stats_in = logbuffer;
1680 }
1681 }
1682 }
1683 if(codec->codec_type == CODEC_TYPE_VIDEO){
1684 int size= codec->width * codec->height;
1685 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1686 }
1687 }
1688
1689 if (!bit_buffer)
1690 bit_buffer = av_malloc(bit_buffer_size);
1691 if (!bit_buffer)
1692 goto fail;
1693
1694 /* dump the file output parameters - cannot be done before in case
1695 of stream copy */
1696 for(i=0;i<nb_output_files;i++) {
1697 dump_format(output_files[i], i, output_files[i]->filename, 1);
1698 }
1699
1700 /* dump the stream mapping */
1701 if (verbose >= 0) {
1702 fprintf(stderr, "Stream mapping:\n");
1703 for(i=0;i<nb_ostreams;i++) {
1704 ost = ost_table[i];
1705 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1706 ist_table[ost->source_index]->file_index,
1707 ist_table[ost->source_index]->index,
1708 ost->file_index,
1709 ost->index);
1710 if (ost->sync_ist != ist_table[ost->source_index])
1711 fprintf(stderr, " [sync #%d.%d]",
1712 ost->sync_ist->file_index,
1713 ost->sync_ist->index);
1714 fprintf(stderr, "\n");
1715 }
1716 }
1717
1718 /* open each encoder */
1719 for(i=0;i<nb_ostreams;i++) {
1720 ost = ost_table[i];
1721 if (ost->encoding_needed) {
1722 AVCodec *codec;
1723 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1724 if (!codec) {
1725 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1726 ost->file_index, ost->index);
1727 exit(1);
1728 }
1729 if (avcodec_open(ost->st->codec, codec) < 0) {
1730 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1731 ost->file_index, ost->index);
1732 exit(1);
1733 }
1734 extra_size += ost->st->codec->extradata_size;
1735 }
1736 }
1737
1738 /* open each decoder */
1739 for(i=0;i<nb_istreams;i++) {
1740 ist = ist_table[i];
1741 if (ist->decoding_needed) {
1742 AVCodec *codec;
1743 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1744 if (!codec) {
1745 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1746 ist->st->codec->codec_id, ist->file_index, ist->index);
1747 exit(1);
1748 }
1749 if (avcodec_open(ist->st->codec, codec) < 0) {
1750 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1751 ist->file_index, ist->index);
1752 exit(1);
1753 }
1754 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1755 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1756 }
1757 }
1758
1759 /* init pts */
1760 for(i=0;i<nb_istreams;i++) {
1761 ist = ist_table[i];
1762 is = input_files[ist->file_index];
1763 ist->pts = 0;
1764 ist->next_pts = av_rescale_q(ist->st->start_time, ist->st->time_base, AV_TIME_BASE_Q);
1765 if(ist->st->start_time == AV_NOPTS_VALUE)
1766 ist->next_pts=0;
1767 if(input_files_ts_offset[ist->file_index])
1768 ist->next_pts= AV_NOPTS_VALUE;
1769 ist->is_start = 1;
1770 }
1771
1772 /* set meta data information from input file if required */
1773 for (i=0;i<nb_meta_data_maps;i++) {
1774 AVFormatContext *out_file;
1775 AVFormatContext *in_file;
1776
1777 int out_file_index = meta_data_maps[i].out_file;
1778 int in_file_index = meta_data_maps[i].in_file;
1779 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1780 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1781 ret = AVERROR(EINVAL);
1782 goto fail;
1783 }
1784 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1785 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1786 ret = AVERROR(EINVAL);
1787 goto fail;
1788 }
1789
1790 out_file = output_files[out_file_index];
1791 in_file = input_files[in_file_index];
1792
1793 strcpy(out_file->title, in_file->title);
1794 strcpy(out_file->author, in_file->author);
1795 strcpy(out_file->copyright, in_file->copyright);
1796 strcpy(out_file->comment, in_file->comment);
1797 strcpy(out_file->album, in_file->album);
1798 out_file->year = in_file->year;
1799 out_file->track = in_file->track;
1800 strcpy(out_file->genre, in_file->genre);
1801 }
1802
1803 /* open files and write file headers */
1804 for(i=0;i<nb_output_files;i++) {
1805 os = output_files[i];
1806 if (av_write_header(os) < 0) {
1807 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1808 ret = AVERROR(EINVAL);
1809 goto fail;
1810 }
1811 }
1812
1813 if ( !using_stdin && verbose >= 0) {
1814 fprintf(stderr, "Press [q] to stop encoding\n");
1815 url_set_interrupt_cb(decode_interrupt_cb);
1816 }
1817 term_init();
1818
1819 key = -1;
1820 timer_start = av_gettime();
1821
1822 for(; received_sigterm == 0;) {
1823 int file_index, ist_index;
1824 AVPacket pkt;
1825 double ipts_min;
1826 double opts_min;
1827
1828 redo:
1829 ipts_min= 1e100;
1830 opts_min= 1e100;
1831 /* if 'q' pressed, exits */
1832 if (!using_stdin) {
1833 if (q_pressed)
1834 break;
1835 /* read_key() returns 0 on EOF */
1836 key = read_key();
1837 if (key == 'q')
1838 break;
1839 }
1840
1841 /* select the stream that we must read now by looking at the
1842 smallest output pts */
1843 file_index = -1;
1844 for(i=0;i<nb_ostreams;i++) {
1845 double ipts, opts;
1846 ost = ost_table[i];
1847 os = output_files[ost->file_index];
1848 ist = ist_table[ost->source_index];
1849 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1850 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1851 else
1852 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1853 ipts = (double)ist->pts;
1854 if (!file_table[ist->file_index].eof_reached){
1855 if(ipts < ipts_min) {
1856 ipts_min = ipts;
1857 if(input_sync ) file_index = ist->file_index;
1858 }
1859 if(opts < opts_min) {
1860 opts_min = opts;
1861 if(!input_sync) file_index = ist->file_index;
1862 }
1863 }
1864 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1865 file_index= -1;
1866 break;
1867 }
1868 }
1869 /* if none, if is finished */
1870 if (file_index < 0) {
1871 break;
1872 }
1873
1874 /* finish if recording time exhausted */
1875 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1876 break;
1877
1878 /* finish if limit size exhausted */
1879 if (limit_filesize != 0 && limit_filesize < url_ftell(&output_files[0]->pb))
1880 break;
1881
1882 /* read a frame from it and output it in the fifo */
1883 is = input_files[file_index];
1884 if (av_read_frame(is, &pkt) < 0) {
1885 file_table[file_index].eof_reached = 1;
1886 if (opt_shortest) break; else continue; //
1887 }
1888
1889 if (do_pkt_dump) {
1890 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1891 }
1892 /* the following test is needed in case new streams appear
1893 dynamically in stream : we ignore them */
1894 if (pkt.stream_index >= file_table[file_index].nb_streams)
1895 goto discard_packet;
1896 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1897 ist = ist_table[ist_index];
1898 if (ist->discard)
1899 goto discard_packet;
1900
1901 // 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);
1902 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1903 int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
1904 if(FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE && !copy_ts){
1905 input_files_ts_offset[ist->file_index]-= delta;
1906 if (verbose > 2)
1907 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1908 for(i=0; i<file_table[file_index].nb_streams; i++){
1909 int index= file_table[file_index].ist_index + i;
1910 ist_table[index]->next_pts += delta;
1911 ist_table[index]->is_start=1;
1912 }
1913 }
1914 }
1915
1916 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1917 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1918
1919 if (verbose >= 0)
1920 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1921 ist->file_index, ist->index);
1922
1923 av_free_packet(&pkt);
1924 goto redo;
1925 }
1926
1927 discard_packet:
1928 av_free_packet(&pkt);
1929
1930 /* dump report by using the output first video and audio streams */
1931 print_report(output_files, ost_table, nb_ostreams, 0);
1932 }
1933
1934 /* at the end of stream, we must flush the decoder buffers */
1935 for(i=0;i<nb_istreams;i++) {
1936 ist = ist_table[i];
1937 if (ist->decoding_needed) {
1938 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1939 }
1940 }
1941
1942 term_exit();
1943
1944 /* write the trailer if needed and close file */
1945 for(i=0;i<nb_output_files;i++) {
1946 os = output_files[i];
1947 av_write_trailer(os);
1948 }
1949
1950 /* dump report by using the first video and audio streams */
1951 print_report(output_files, ost_table, nb_ostreams, 1);
1952
1953 /* close each encoder */
1954 for(i=0;i<nb_ostreams;i++) {
1955 ost = ost_table[i];
1956 if (ost->encoding_needed) {
1957 av_freep(&ost->st->codec->stats_in);
1958 avcodec_close(ost->st->codec);
1959 }
1960 }
1961
1962 /* close each decoder */
1963 for(i=0;i<nb_istreams;i++) {
1964 ist = ist_table[i];
1965 if (ist->decoding_needed) {
1966 avcodec_close(ist->st->codec);
1967 }
1968 }
1969
1970 /* finished ! */
1971
1972 ret = 0;
1973 fail1:
1974 av_freep(&bit_buffer);
1975 av_free(file_table);
1976
1977 if (ist_table) {
1978 for(i=0;i<nb_istreams;i++) {
1979 ist = ist_table[i];
1980 av_free(ist);
1981 }
1982 av_free(ist_table);
1983 }
1984 if (ost_table) {
1985 for(i=0;i<nb_ostreams;i++) {
1986 ost = ost_table[i];
1987 if (ost) {
1988 if (ost->logfile) {
1989 fclose(ost->logfile);
1990 ost->logfile = NULL;
1991 }
1992 av_fifo_free(&ost->fifo); /* works even if fifo is not
1993 initialized but set to zero */
1994 av_free(ost->pict_tmp.data[0]);
1995 if (ost->video_resample)
1996 sws_freeContext(ost->img_resample_ctx);
1997 if (ost->audio_resample)
1998 audio_resample_close(ost->resample);
1999 av_free(ost);
2000 }
2001 }
2002 av_free(ost_table);
2003 }
2004 return ret;
2005 fail:
2006 ret = AVERROR(ENOMEM);
2007 goto fail1;
2008 }
2009
2010 #if 0
2011 int file_read(const char *filename)
2012 {
2013 URLContext *h;
2014 unsigned char buffer[1024];
2015 int len, i;
2016
2017 if (url_open(&h, filename, O_RDONLY) < 0) {
2018 printf("could not open '%s'\n", filename);
2019 return -1;
2020 }
2021 for(;;) {
2022 len = url_read(h, buffer, sizeof(buffer));
2023 if (len <= 0)
2024 break;
2025 for(i=0;i<len;i++) putchar(buffer[i]);
2026 }
2027 url_close(h);
2028 return 0;
2029 }
2030 #endif
2031
2032 static void opt_format(const char *arg)
2033 {
2034 /* compatibility stuff for pgmyuv */
2035 if (!strcmp(arg, "pgmyuv")) {
2036 pgmyuv_compatibility_hack=1;
2037 // opt_image_format(arg);
2038 arg = "image2";
2039 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2040 }
2041
2042 file_iformat = av_find_input_format(arg);
2043 file_oformat = guess_format(arg, NULL, NULL);
2044 if (!file_iformat && !file_oformat) {
2045 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2046 exit(1);
2047 }
2048 }
2049
2050 static void opt_video_rc_eq(char *arg)
2051 {
2052 video_rc_eq = arg;
2053 }
2054
2055 static void opt_video_rc_override_string(char *arg)
2056 {
2057 video_rc_override_string = arg;
2058 }
2059
2060 static void opt_me_threshold(const char *arg)
2061 {
2062 me_threshold = atoi(arg);
2063 }
2064
2065 static void opt_verbose(const char *arg)
2066 {
2067 verbose = atoi(arg);
2068 av_log_level = atoi(arg);
2069 }
2070
2071 static void opt_frame_rate(const char *arg)
2072 {
2073 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2074 fprintf(stderr, "Incorrect frame rate\n");
2075 exit(1);
2076 }
2077 }
2078
2079 static void opt_frame_crop_top(const char *arg)
2080 {
2081 frame_topBand = atoi(arg);
2082 if (frame_topBand < 0) {
2083 fprintf(stderr, "Incorrect top crop size\n");
2084 exit(1);
2085 }
2086 if ((frame_topBand % 2) != 0) {
2087 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2088 exit(1);
2089 }
2090 if ((frame_topBand) >= frame_height){
2091 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2092 exit(1);
2093 }
2094 frame_height -= frame_topBand;
2095 }
2096
2097 static void opt_frame_crop_bottom(const char *arg)
2098 {
2099 frame_bottomBand = atoi(arg);
2100 if (frame_bottomBand < 0) {
2101 fprintf(stderr, "Incorrect bottom crop size\n");
2102 exit(1);
2103 }
2104 if ((frame_bottomBand % 2) != 0) {
2105 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2106 exit(1);
2107 }
2108 if ((frame_bottomBand) >= frame_height){
2109 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2110 exit(1);
2111 }
2112 frame_height -= frame_bottomBand;
2113 }
2114
2115 static void opt_frame_crop_left(const char *arg)
2116 {
2117 frame_leftBand = atoi(arg);
2118 if (frame_leftBand < 0) {
2119 fprintf(stderr, "Incorrect left crop size\n");
2120 exit(1);
2121 }
2122 if ((frame_leftBand % 2) != 0) {
2123 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2124 exit(1);
2125 }
2126 if ((frame_leftBand) >= frame_width){
2127 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2128 exit(1);
2129 }
2130 frame_width -= frame_leftBand;
2131 }
2132
2133 static void opt_frame_crop_right(const char *arg)
2134 {
2135 frame_rightBand = atoi(arg);
2136 if (frame_rightBand < 0) {
2137 fprintf(stderr, "Incorrect right crop size\n");
2138 exit(1);
2139 }
2140 if ((frame_rightBand % 2) != 0) {
2141 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2142 exit(1);
2143 }
2144 if ((frame_rightBand) >= frame_width){
2145 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2146 exit(1);
2147 }
2148 frame_width -= frame_rightBand;
2149 }
2150
2151 static void opt_frame_size(const char *arg)
2152 {
2153 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2154 fprintf(stderr, "Incorrect frame size\n");
2155 exit(1);
2156 }
2157 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2158 fprintf(stderr, "Frame size must be a multiple of 2\n");
2159 exit(1);
2160 }
2161 }
2162
2163
2164 #define SCALEBITS 10
2165 #define ONE_HALF (1 << (SCALEBITS - 1))
2166 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2167
2168 #define RGB_TO_Y(r, g, b) \
2169 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2170 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2171
2172 #define RGB_TO_U(r1, g1, b1, shift)\
2173 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2174 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2175
2176 #define RGB_TO_V(r1, g1, b1, shift)\
2177 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2178 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2179
2180 static void opt_pad_color(const char *arg) {
2181 /* Input is expected to be six hex digits similar to
2182 how colors are expressed in html tags (but without the #) */
2183 int rgb = strtol(arg, NULL, 16);
2184 int r,g,b;
2185
2186 r = (rgb >> 16);
2187 g = ((rgb >> 8) & 255);
2188 b = (rgb & 255);
2189
2190 padcolor[0] = RGB_TO_Y(r,g,b);
2191 padcolor[1] = RGB_TO_U(r,g,b,0);
2192 padcolor[2] = RGB_TO_V(r,g,b,0);
2193 }
2194
2195 static void opt_frame_pad_top(const char *arg)
2196 {
2197 frame_padtop = atoi(arg);
2198 if (frame_padtop < 0) {
2199 fprintf(stderr, "Incorrect top pad size\n");
2200 exit(1);
2201 }
2202 if ((frame_padtop % 2) != 0) {
2203 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2204 exit(1);
2205 }
2206 }
2207
2208 static void opt_frame_pad_bottom(const char *arg)
2209 {
2210 frame_padbottom = atoi(arg);
2211 if (frame_padbottom < 0) {
2212 fprintf(stderr, "Incorrect bottom pad size\n");
2213 exit(1);
2214 }
2215 if ((frame_padbottom % 2) != 0) {
2216 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2217 exit(1);
2218 }
2219 }
2220
2221
2222 static void opt_frame_pad_left(const char *arg)
2223 {
2224 frame_padleft = atoi(arg);
2225 if (frame_padleft < 0) {
2226 fprintf(stderr, "Incorrect left pad size\n");
2227 exit(1);
2228 }
2229 if ((frame_padleft % 2) != 0) {
2230 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2231 exit(1);
2232 }
2233 }
2234
2235
2236 static void opt_frame_pad_right(const char *arg)
2237 {
2238 frame_padright = atoi(arg);
2239 if (frame_padright < 0) {
2240 fprintf(stderr, "Incorrect right pad size\n");
2241 exit(1);
2242 }
2243 if ((frame_padright % 2) != 0) {
2244 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2245 exit(1);
2246 }
2247 }
2248
2249 void list_pix_fmts(void)
2250 {
2251 int i;
2252 char pix_fmt_str[128];
2253 for (i=-1; i < PIX_FMT_NB; i++) {
2254 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2255 fprintf(stdout, "%s\n", pix_fmt_str);
2256 }
2257 }
2258
2259 static void opt_frame_pix_fmt(const char *arg)
2260 {
2261 if (strcmp(arg, "list"))
2262 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2263 else {
2264 list_pix_fmts();
2265 exit(0);
2266 }
2267 }
2268
2269 static void opt_frame_aspect_ratio(const char *arg)
2270 {
2271 int x = 0, y = 0;
2272 double ar = 0;
2273 const char *p;
2274
2275 p = strchr(arg, ':');
2276 if (p) {
2277 x = strtol(arg, (char **)&arg, 10);
2278 if (arg == p)
2279 y = strtol(arg+1, (char **)&arg, 10);
2280 if (x > 0 && y > 0)
2281 ar = (double)x / (double)y;
2282 } else
2283 ar = strtod(arg, (char **)&arg);
2284
2285 if (!ar) {
2286 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2287 exit(1);
2288 }
2289 frame_aspect_ratio = ar;
2290 }
2291
2292 static void opt_qscale(const char *arg)
2293 {
2294 video_qscale = atof(arg);
2295 if (video_qscale <= 0 ||
2296 video_qscale > 255) {
2297 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2298 exit(1);
2299 }
2300 }
2301
2302 static void opt_qdiff(const char *arg)
2303 {
2304 video_qdiff = atoi(arg);
2305 if (video_qdiff < 0 ||
2306 video_qdiff > 31) {
2307 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2308 exit(1);
2309 }
2310 }
2311
2312 static void opt_strict(const char *arg)
2313 {
2314 strict= atoi(arg);
2315 }
2316
2317 static void opt_top_field_first(const char *arg)
2318 {
2319 top_field_first= atoi(arg);
2320 }
2321
2322 static void opt_thread_count(const char *arg)
2323 {
2324 thread_count= atoi(arg);
2325 #if !defined(HAVE_THREADS)
2326 if (verbose >= 0)
2327 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2328 #endif
2329 }
2330
2331 static void opt_audio_rate(const char *arg)
2332 {
2333 audio_sample_rate = atoi(arg);
2334 }
2335
2336 static void opt_audio_channels(const char *arg)
2337 {
2338 audio_channels = atoi(arg);
2339 }
2340
2341 static void opt_video_channel(const char *arg)
2342 {
2343 video_channel = strtol(arg, NULL, 0);
2344 }
2345
2346 static void opt_video_standard(const char *arg)
2347 {
2348 video_standard = av_strdup(arg);
2349 }
2350
2351 static void opt_codec(int *pstream_copy, int *pcodec_id,
2352 int codec_type, const char *arg)
2353 {
2354 AVCodec *p;
2355
2356 if (!strcmp(arg, "copy")) {
2357 *pstream_copy = 1;
2358 } else {
2359 p = first_avcodec;
2360 while (p) {
2361 if (!strcmp(p->name, arg) && p->type == codec_type)
2362 break;
2363 p = p->next;
2364 }
2365 if (p == NULL) {
2366 fprintf(stderr, "Unknown codec '%s'\n", arg);
2367 exit(1);
2368 } else {
2369 *pcodec_id = p->id;
2370 }
2371 }
2372 }
2373
2374 static void opt_audio_codec(const char *arg)
2375 {
2376 opt_codec(&audio_stream_copy, &audio_codec_id, CODEC_TYPE_AUDIO, arg);
2377 }
2378
2379 static void opt_audio_tag(const char *arg)
2380 {
2381 char *tail;
2382 audio_codec_tag= strtol(arg, &tail, 0);
2383
2384 if(!tail || *tail)
2385 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2386 }
2387
2388 static void opt_video_tag(const char *arg)
2389 {
2390 char *tail;
2391 video_codec_tag= strtol(arg, &tail, 0);
2392
2393 if(!tail || *tail)
2394 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2395 }
2396
2397 static void add_frame_hooker(const char *arg)
2398 {
2399 int argc = 0;
2400 char *argv[64];
2401 int i;
2402 char *args = av_strdup(arg);
2403
2404 using_vhook = 1;
2405
2406 argv[0] = strtok(args, " ");
2407 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2408 }
2409
2410 i = frame_hook_add(argc, argv);
2411
2412 if (i != 0) {
2413 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2414 exit(1);
2415 }
2416 }
2417
2418 static void opt_video_codec(const char *arg)
2419 {
2420 opt_codec(&video_stream_copy, &video_codec_id, CODEC_TYPE_VIDEO, arg);
2421 }
2422
2423 static void opt_subtitle_codec(const char *arg)
2424 {
2425 opt_codec(&subtitle_stream_copy, &subtitle_codec_id, CODEC_TYPE_SUBTITLE, arg);
2426 }
2427
2428 static void opt_map(const char *arg)
2429 {
2430 AVStreamMap *m;
2431 const char *p;
2432
2433 p = arg;
2434 m = &stream_maps[nb_stream_maps++];
2435
2436 m->file_index = strtol(arg, (char **)&p, 0);
2437 if (*p)
2438 p++;
2439
2440 m->stream_index = strtol(p, (char **)&p, 0);
2441 if (*p) {
2442 p++;
2443 m->sync_file_index = strtol(p, (char **)&p, 0);
2444 if (*p)
2445 p++;
2446 m->sync_stream_index = strtol(p, (char **)&p, 0);
2447 } else {
2448 m->sync_file_index = m->file_index;
2449 m->sync_stream_index = m->stream_index;
2450 }
2451 }
2452
2453 static void opt_map_meta_data(const char *arg)
2454 {
2455 AVMetaDataMap *m;
2456 const char *p;
2457
2458 p = arg;
2459 m = &meta_data_maps[nb_meta_data_maps++];
2460
2461 m->out_file = strtol(arg, (char **)&p, 0);
2462 if (*p)
2463 p++;
2464
2465 m->in_file = strtol(p, (char **)&p, 0);
2466 }
2467
2468 static void opt_recording_time(const char *arg)
2469 {
2470 recording_time = parse_date(arg, 1);
2471 }
2472
2473 static void opt_start_time(const char *arg)
2474 {
2475 start_time = parse_date(arg, 1);
2476 }
2477
2478 static void opt_rec_timestamp(const char *arg)
2479 {
2480 rec_timestamp = parse_date(arg, 0) / 1000000;
2481 }
2482
2483 static void opt_input_ts_offset(const char *arg)
2484 {
2485 input_ts_offset = parse_date(arg, 1);
2486 }
2487
2488 static void opt_input_file(const char *filename)
2489 {
2490 AVFormatContext *ic;
2491 AVFormatParameters params, *ap = &params;
2492 int err, i, ret, rfps, rfps_base;
2493 int64_t timestamp;
2494
2495 if (!strcmp(filename, "-"))
2496 filename = "pipe:";
2497
2498 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2499 !strcmp( filename, "/dev/stdin" );
2500
2501 /* get default parameters from command line */
2502 ic = av_alloc_format_context();
2503
2504 memset(ap, 0, sizeof(*ap));
2505 ap->prealloced_context = 1;
2506 ap->sample_rate = audio_sample_rate;
2507 ap->channels = audio_channels;
2508 ap->time_base.den = frame_rate.num;
2509 ap->time_base.num = frame_rate.den;
2510 ap->width = frame_width + frame_padleft + frame_padright;
2511 ap->height = frame_height + frame_padtop + frame_padbottom;
2512 ap->pix_fmt = frame_pix_fmt;
2513 ap->channel = video_channel;
2514 ap->standard = video_standard;
2515 ap->video_codec_id = video_codec_id;
2516 ap->audio_codec_id = audio_codec_id;
2517 if(pgmyuv_compatibility_hack)
2518 ap->video_codec_id= CODEC_ID_PGMYUV;
2519
2520 for(i=0; i<opt_name_count; i++){
2521 const AVOption *opt;
2522 double d= av_get_double(avformat_opts, opt_names[i], &opt);
2523 if(d==d && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2524 av_set_double(ic, opt_names[i], d);
2525 }
2526 /* open the input file with generic libav function */
2527 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2528 if (err < 0) {
2529 print_error(filename, err);
2530 exit(1);
2531 }
2532
2533 ic->loop_input = loop_input;
2534
2535 /* If not enough info to get the stream parameters, we decode the
2536 first frames to get it. (used in mpeg case for example) */
2537 ret = av_find_stream_info(ic);
2538 if (ret < 0 && verbose >= 0) {
2539 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2540 exit(1);
2541 }
2542
2543 timestamp = start_time;
2544 /* add the stream start time */
2545 if (ic->start_time != AV_NOPTS_VALUE)
2546 timestamp += ic->start_time;
2547
2548 /* if seeking requested, we execute it */
2549 if (start_time != 0) {
2550 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2551 if (ret < 0) {
2552 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2553 filename, (double)timestamp / AV_TIME_BASE);
2554 }
2555 /* reset seek info */
2556 start_time = 0;
2557 }
2558
2559 /* update the current parameters so that they match the one of the input stream */
2560 for(i=0;i<ic->nb_streams;i++) {
2561 int j;
2562 AVCodecContext *enc = ic->streams[i]->codec;
2563 if(thread_count>1)
2564 avcodec_thread_init(enc, thread_count);
2565 enc->thread_count= thread_count;
2566 switch(enc->codec_type) {
2567 case CODEC_TYPE_AUDIO:
2568 for(j=0; j<opt_name_count; j++){
2569 const AVOption *opt;
2570 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt);
2571 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2572 av_set_double(enc, opt_names[j], d);
2573 }
2574 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2575 audio_channels = enc->channels;
2576 audio_sample_rate = enc->sample_rate;
2577 if(audio_disable)
2578 ic->streams[i]->discard= AVDISCARD_ALL;
2579 break;
2580 case CODEC_TYPE_VIDEO:
2581 for(j=0; j<opt_name_count; j++){
2582 const AVOption *opt;
2583 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt);
2584 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2585 av_set_double(enc, opt_names[j], d);
2586 }
2587 frame_height = enc->height;
2588 frame_width = enc->width;
2589 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2590 frame_pix_fmt = enc->pix_fmt;
2591 rfps = ic->streams[i]->r_frame_rate.num;
2592 rfps_base = ic->streams[i]->r_frame_rate.den;
2593 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2594 if(me_threshold)
2595 enc->debug |= FF_DEBUG_MV;
2596
2597 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2598
2599 if (verbose >= 0)
2600 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2601 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2602
2603 (float)rfps / rfps_base, rfps, rfps_base);
2604 }
2605 /* update the current frame rate to match the stream frame rate */
2606 frame_rate.num = rfps;
2607 frame_rate.den = rfps_base;
2608
2609 enc->rate_emu = rate_emu;
2610 if(video_disable)
2611 ic->streams[i]->discard= AVDISCARD_ALL;
2612 else if(video_discard)
2613 ic->streams[i]->discard= video_discard;
2614 break;
2615 case CODEC_TYPE_DATA:
2616 break;
2617 case CODEC_TYPE_SUBTITLE:
2618 break;
2619 case CODEC_TYPE_UNKNOWN:
2620 break;
2621 default:
2622 abort();
2623 }
2624 }
2625
2626 input_files[nb_input_files] = ic;
2627 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2628 /* dump the file content */
2629 if (verbose >= 0)
2630 dump_format(ic, nb_input_files, filename, 0);
2631
2632 nb_input_files++;
2633 file_iformat = NULL;
2634 file_oformat = NULL;
2635
2636 video_channel = 0;
2637
2638 rate_emu = 0;
2639 }
2640
2641 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2642 {
2643 int has_video, has_audio, i, j;
2644 AVFormatContext *ic;
2645
2646 has_video = 0;
2647 has_audio = 0;
2648 for(j=0;j<nb_input_files;j++) {
2649 ic = input_files[j];
2650 for(i=0;i<ic->nb_streams;i++) {
2651 AVCodecContext *enc = ic->streams[i]->codec;
2652 switch(enc->codec_type) {
2653 case CODEC_TYPE_AUDIO:
2654 has_audio = 1;
2655 break;
2656 case CODEC_TYPE_VIDEO:
2657 has_video = 1;
2658 break;
2659 case CODEC_TYPE_DATA:
2660 case CODEC_TYPE_UNKNOWN:
2661 case CODEC_TYPE_SUBTITLE:
2662 break;
2663 default:
2664 abort();
2665 }
2666 }
2667 }
2668 *has_video_ptr = has_video;
2669 *has_audio_ptr = has_audio;
2670 }
2671
2672 static void new_video_stream(AVFormatContext *oc)
2673 {
2674 AVStream *st;
2675 AVCodecContext *video_enc;
2676 int codec_id;
2677
2678 st = av_new_stream(oc, oc->nb_streams);
2679 if (!st) {
2680 fprintf(stderr, "Could not alloc stream\n");
2681 exit(1);
2682 }
2683 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2684 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2685 video_bitstream_filters= NULL;
2686
2687 if(thread_count>1)
2688 avcodec_thread_init(st->codec, thread_count);
2689
2690 video_enc = st->codec;
2691
2692 if(video_codec_tag)
2693 video_enc->codec_tag= video_codec_tag;
2694
2695 if( (video_global_header&1)
2696 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2697 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2698 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2699 }
2700 if(video_global_header&2){
2701 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2702 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2703 }
2704
2705 if (video_stream_copy) {
2706 st->stream_copy = 1;
2707 video_enc->codec_type = CODEC_TYPE_VIDEO;
2708 } else {
2709 char *p;
2710 int i;
2711 AVCodec *codec;
2712
2713 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2714 if (video_codec_id != CODEC_ID_NONE)
2715 codec_id = video_codec_id;
2716
2717 video_enc->codec_id = codec_id;
2718 codec = avcodec_find_encoder(codec_id);
2719
2720 for(i=0; i<opt_name_count; i++){
2721 const AVOption *opt;
2722 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt);
2723 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2724 av_set_double(video_enc, opt_names[i], d);
2725 }
2726
2727 video_enc->time_base.den = frame_rate.num;
2728 video_enc->time_base.num = frame_rate.den;
2729 if(codec && codec->supported_framerates){
2730 const AVRational *p= codec->supported_framerates;
2731 AVRational req= (AVRational){frame_rate.num, frame_rate.den};
2732 const AVRational *best=NULL;
2733 AVRational best_error= (AVRational){INT_MAX, 1};
2734 for(; p->den!=0; p++){
2735 AVRational error= av_sub_q(req, *p);
2736 if(error.num <0) error.num *= -1;
2737 if(av_cmp_q(error, best_error) < 0){
2738 best_error= error;
2739 best= p;
2740 }
2741 }
2742 video_enc->time_base.den= best->num;
2743 video_enc->time_base.num= best->den;
2744 }
2745
2746 video_enc->width = frame_width + frame_padright + frame_padleft;
2747 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2748 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2749 video_enc->pix_fmt = frame_pix_fmt;
2750
2751 if(codec && codec->pix_fmts){
2752 const enum PixelFormat *p= codec->pix_fmts;
2753 for(; *p!=-1; p++){
2754 if(*p == video_enc->pix_fmt)
2755 break;
2756 }
2757 if(*p == -1)
2758 video_enc->pix_fmt = codec->pix_fmts[0];
2759 }
2760
2761 if (intra_only)
2762 video_enc->gop_size = 0;
2763 if (video_qscale || same_quality) {
2764 video_enc->flags |= CODEC_FLAG_QSCALE;
2765 video_enc->global_quality=
2766 st->quality = FF_QP2LAMBDA * video_qscale;
2767 }
2768
2769 if(intra_matrix)
2770 video_enc->intra_matrix = intra_matrix;
2771 if(inter_matrix)
2772 video_enc->inter_matrix = inter_matrix;
2773
2774 video_enc->max_qdiff = video_qdiff;
2775 video_enc->rc_eq = video_rc_eq;
2776 video_enc->thread_count = thread_count;
2777 p= video_rc_override_string;
2778 for(i=0; p; i++){
2779 int start, end, q;
2780 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2781 if(e!=3){
2782 fprintf(stderr, "error parsing rc_override\n");
2783 exit(1);
2784 }
2785 video_enc->rc_override=
2786 av_realloc(video_enc->rc_override,
2787 sizeof(RcOverride)*(i+1));
2788 video_enc->rc_override[i].start_frame= start;
2789 video_enc->rc_override[i].end_frame = end;
2790 if(q>0){
2791 video_enc->rc_override[i].qscale= q;
2792 video_enc->rc_override[i].quality_factor= 1.0;
2793 }
2794 else{
2795 video_enc->rc_override[i].qscale= 0;
2796 video_enc->rc_override[i].quality_factor= -q/100.0;
2797 }
2798 p= strchr(p, '/');
2799 if(p) p++;
2800 }
2801 video_enc->rc_override_count=i;
2802 if (!video_enc->rc_initial_buffer_occupancy)
2803 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2804 video_enc->me_threshold= me_threshold;
2805 video_enc->intra_dc_precision= intra_dc_precision - 8;
2806 video_enc->strict_std_compliance = strict;
2807
2808 if (do_psnr)
2809 video_enc->flags|= CODEC_FLAG_PSNR;
2810
2811 /* two pass mode */
2812 if (do_pass) {
2813 if (do_pass == 1) {
2814 video_enc->flags |= CODEC_FLAG_PASS1;
2815 } else {
2816 video_enc->flags |= CODEC_FLAG_PASS2;
2817 }
2818 }
2819 }
2820
2821 /* reset some key parameters */
2822 video_disable = 0;
2823 video_codec_id = CODEC_ID_NONE;
2824 video_stream_copy = 0;
2825 }
2826
2827 static void new_audio_stream(AVFormatContext *oc)
2828 {
2829 AVStream *st;
2830 AVCodecContext *audio_enc;
2831 int codec_id, i;
2832
2833 st = av_new_stream(oc, oc->nb_streams);
2834 if (!st) {
2835 fprintf(stderr, "Could not alloc stream\n");
2836 exit(1);
2837 }
2838 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
2839
2840 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
2841 audio_bitstream_filters= NULL;
2842
2843 if(thread_count>1)
2844 avcodec_thread_init(st->codec, thread_count);
2845
2846 audio_enc = st->codec;
2847 audio_enc->codec_type = CODEC_TYPE_AUDIO;
2848 audio_enc->strict_std_compliance = strict;
2849
2850 if(audio_codec_tag)
2851 audio_enc->codec_tag= audio_codec_tag;
2852
2853 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
2854 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2855 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2856 }
2857 if (audio_stream_copy) {
2858 st->stream_copy = 1;
2859 audio_enc->channels = audio_channels;
2860 } else {
2861 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
2862
2863 for(i=0; i<opt_name_count; i++){
2864 const AVOption *opt;
2865 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt);
2866 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2867 av_set_double(audio_enc, opt_names[i], d);
2868 }
2869
2870 if (audio_codec_id != CODEC_ID_NONE)
2871 codec_id = audio_codec_id;
2872 audio_enc->codec_id = codec_id;
2873
2874 if (audio_qscale > QSCALE_NONE) {
2875 audio_enc->flags |= CODEC_FLAG_QSCALE;
2876 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
2877 }
2878 audio_enc->thread_count = thread_count;
2879 audio_enc->channels = audio_channels;
2880 }
2881 audio_enc->sample_rate = audio_sample_rate;
2882 audio_enc->time_base= (AVRational){1, audio_sample_rate};
2883 if (audio_language) {
2884 av_strlcpy(st->language, audio_language, sizeof(st->language));
2885 av_free(audio_language);
2886 audio_language = NULL;
2887 }
2888
2889 /* reset some key parameters */
2890 audio_disable = 0;
2891 audio_codec_id = CODEC_ID_NONE;
2892 audio_stream_copy = 0;
2893 }
2894
2895 static void opt_new_subtitle_stream(void)
2896 {
2897 AVFormatContext *oc;
2898 AVStream *st;
2899 AVCodecContext *subtitle_enc;
2900 int i;
2901
2902 if (nb_output_files <= 0) {
2903 fprintf(stderr, "At least one output file must be specified\n");
2904 exit(1);
2905 }
2906 oc = output_files[nb_output_files - 1];
2907
2908 st = av_new_stream(oc, oc->nb_streams);
2909 if (!st) {
2910 fprintf(stderr, "Could not alloc stream\n");
2911 exit(1);
2912 }
2913 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
2914
2915 subtitle_enc = st->codec;
2916 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
2917 if (subtitle_stream_copy) {
2918 st->stream_copy = 1;
2919 } else {
2920 for(i=0; i<opt_name_count; i++){
2921 const AVOption *opt;
2922 double d= av_get_double(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt);
2923 if(d==d && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2924 av_set_double(subtitle_enc, opt_names[i], d);
2925 }
2926 subtitle_enc->codec_id = subtitle_codec_id;
2927 }
2928
2929 if (subtitle_language) {
2930 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
2931 av_free(subtitle_language);
2932 subtitle_language = NULL;
2933 }
2934
2935 subtitle_codec_id = CODEC_ID_NONE;
2936 subtitle_stream_copy = 0;
2937 }
2938
2939 static void opt_new_audio_stream(void)
2940 {
2941 AVFormatContext *oc;
2942 if (nb_output_files <= 0) {
2943 fprintf(stderr, "At least one output file must be specified\n");
2944 exit(1);
2945 }
2946 oc = output_files[nb_output_files - 1];
2947 new_audio_stream(oc);
2948 }
2949
2950 static void opt_new_video_stream(void)
2951 {
2952 AVFormatContext *oc;
2953 if (nb_output_files <= 0) {
2954 fprintf(stderr, "At least one output file must be specified\n");
2955 exit(1);
2956 }
2957 oc = output_files[nb_output_files - 1];
2958 new_video_stream(oc);
2959 }
2960
2961 static void opt_output_file(const char *filename)
2962 {
2963 AVFormatContext *oc;
2964 int use_video, use_audio, input_has_video, input_has_audio, i;
2965 AVFormatParameters params, *ap = &params;
2966
2967 if (!strcmp(filename, "-"))
2968 filename = "pipe:";
2969
2970 oc = av_alloc_format_context();
2971
2972 if (!file_oformat) {
2973 file_oformat = guess_format(NULL, filename, NULL);
2974 if (!file_oformat) {
2975 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
2976 filename);
2977 exit(1);
2978 }
2979 }
2980
2981 oc->oformat = file_oformat;
2982 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
2983
2984 if (!strcmp(file_oformat->name, "ffm") &&
2985 av_strstart(filename, "http:", NULL)) {
2986 /* special case for files sent to ffserver: we get the stream
2987 parameters from ffserver */
2988 if (read_ffserver_streams(oc, filename) < 0) {
2989 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
2990 exit(1);
2991 }
2992 } else {
2993 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_id != CODEC_ID_NONE;
2994 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_id != CODEC_ID_NONE;
2995
2996 /* disable if no corresponding type found and at least one
2997 input file */
2998 if (nb_input_files > 0) {
2999 check_audio_video_inputs(&input_has_video, &input_has_audio);
3000 if (!input_has_video)
3001 use_video = 0;
3002 if (!input_has_audio)
3003 use_audio = 0;
3004 }
3005
3006 /* manual disable */
3007 if (audio_disable) {
3008 use_audio = 0;
3009 }
3010 if (video_disable) {
3011 use_video = 0;
3012 }
3013
3014 if (use_video) {
3015 new_video_stream(oc);
3016 }
3017
3018 if (use_audio) {
3019 new_audio_stream(oc);
3020 }
3021
3022 oc->timestamp = rec_timestamp;
3023
3024 if (str_title)
3025 av_strlcpy(oc->title, str_title, sizeof(oc->title));
3026 if (str_author)
3027 av_strlcpy(oc->author, str_author, sizeof(oc->author));
3028 if (str_copyright)
3029 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
3030 if (str_comment)
3031 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
3032 if (str_album)
3033 av_strlcpy(oc->album, str_album, sizeof(oc->album));
3034 }
3035
3036 output_files[nb_output_files++] = oc;
3037
3038 /* check filename in case of an image number is expected */
3039 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3040 if (!av_filename_number_test(oc->filename)) {
3041 print_error(oc->filename, AVERROR_NUMEXPECTED);
3042 exit(1);
3043 }
3044 }
3045
3046 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3047 /* test if it already exists to avoid loosing precious files */
3048 if (!file_overwrite &&
3049 (strchr(filename, ':') == NULL ||
3050 av_strstart(filename, "file:", NULL))) {
3051 if (url_exist(filename)) {
3052 int c;
3053
3054 if ( !using_stdin ) {
3055 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3056 fflush(stderr);
3057 c = getchar();
3058 if (toupper(c) != 'Y') {
3059 fprintf(stderr, "Not overwriting - exiting\n");
3060 exit(1);
3061 }
3062 }
3063 else {
3064 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3065 exit(1);
3066 }
3067 }
3068 }
3069
3070 /* open the file */
3071 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3072 fprintf(stderr, "Could not open '%s'\n", filename);
3073 exit(1);
3074 }
3075 }
3076
3077 memset(ap, 0, sizeof(*ap));
3078 if (av_set_parameters(oc, ap) < 0) {
3079 fprintf(stderr, "%s: Invalid encoding parameters\n",
3080 oc->filename);
3081 exit(1);
3082 }
3083
3084 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3085 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3086 oc->loop_output = loop_output;
3087
3088 for(i=0; i<opt_name_count; i++){
3089 const AVOption *opt;
3090 double d = av_get_double(avformat_opts, opt_names[i], &opt);
3091 if(d==d && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3092 av_set_double(oc, opt_names[i], d);
3093 }
3094
3095 /* reset some options */
3096 file_oformat = NULL;
3097 file_iformat = NULL;
3098 }
3099
3100 /* same option as mencoder */
3101 static void opt_pass(const char *pass_str)
3102 {
3103 int pass;
3104 pass = atoi(pass_str);
3105 if (pass != 1 && pass != 2) {
3106 fprintf(stderr, "pass number can be only 1 or 2\n");
3107 exit(1);
3108 }
3109 do_pass = pass;
3110 }
3111
3112 static int64_t getutime(void)
3113 {
3114 #ifdef HAVE_GETRUSAGE
3115 struct rusage rusage;
3116
3117 getrusage(RUSAGE_SELF, &rusage);
3118 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3119 #elif defined(HAVE_GETPROCESSTIMES)
3120 HANDLE proc;
3121 FILETIME c, e, k, u;
3122 proc = GetCurrentProcess();
3123 GetProcessTimes(proc, &c, &e, &k, &u);
3124 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3125 #else
3126 return av_gettime();
3127 #endif
3128 }
3129
3130 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3131 extern int ffm_nopts;
3132 #endif
3133
3134 static void show_formats(void)
3135 {
3136 AVInputFormat *ifmt;
3137 AVOutputFormat *ofmt;
3138 URLProtocol *up;
3139 AVCodec *p, *p2;
3140 const char *last_name;
3141
3142 printf("File formats:\n");
3143 last_name= "000";
3144 for(;;){
3145 int decode=0;
3146 int encode=0;
3147 const char *name=NULL;
3148 const char *long_name=NULL;
3149
3150 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3151 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3152 strcmp(ofmt->name, last_name)>0){
3153 name= ofmt->name;
3154 long_name= ofmt->long_name;
3155 encode=1;
3156 }
3157 }
3158 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3159 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3160 strcmp(ifmt->name, last_name)>0){
3161 name= ifmt->name;
3162 long_name= ifmt->long_name;
3163 encode=0;
3164 }
3165 if(name && strcmp(ifmt->name, name)==0)
3166 decode=1;
3167 }
3168 if(name==NULL)
3169 break;
3170 last_name= name;
3171
3172 printf(
3173 " %s%s %-15s %s\n",
3174 decode ? "D":" ",
3175 encode ? "E":" ",
3176 name,
3177 long_name ? long_name:" ");
3178 }
3179 printf("\n");
3180
3181 printf("Codecs:\n");
3182 last_name= "000";
3183 for(;;){
3184 int decode=0;
3185 int encode=0;
3186 int cap=0;
3187 const char *type_str;
3188
3189 p2=NULL;
3190 for(p = first_avcodec; p != NULL; p = p->next) {
3191 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3192 strcmp(p->name, last_name)>0){
3193 p2= p;
3194 decode= encode= cap=0;
3195 }
3196 if(p2 && strcmp(p->name, p2->name)==0){
3197 if(p->decode) decode=1;
3198 if(p->encode) encode=1;
3199 cap |= p->capabilities;
3200 }
3201 }
3202 if(p2==NULL)
3203 break;
3204 last_name= p2->name;
3205
3206 switch(p2->type) {
3207 case CODEC_TYPE_VIDEO:
3208 type_str = "V";
3209 break;
3210 case CODEC_TYPE_AUDIO:
3211 type_str = "A";
3212 break;
3213 case CODEC_TYPE_SUBTITLE:
3214 type_str = "S";
3215 break;
3216 default:
3217 type_str = "?";
3218 break;
3219 }
3220 printf(
3221 " %s%s%s%s%s%s %s",
3222 decode ? "D": (/*p2->decoder ? "d":*/" "),
3223 encode ? "E":" ",
3224 type_str,
3225 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3226 cap & CODEC_CAP_DR1 ? "D":" ",
3227 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3228 p2->name);
3229 /* if(p2->decoder && decode==0)
3230 printf(" use %s for decoding", p2->decoder->name);*/
3231 printf("\n");
3232 }
3233 printf("\n");
3234
3235 printf("Supported file protocols:\n");
3236 for(up = first_protocol; up != NULL; up = up->next)
3237 printf(" %s:", up->name);
3238 printf("\n");
3239
3240 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3241 printf("\n");
3242 printf(
3243 "Note, the names of encoders and decoders do not always match, so there are\n"