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[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 #define HAVE_AV_CONFIG_H
22 #include <signal.h>
23 #include <limits.h>
24 #include "avformat.h"
25 #include "swscale.h"
26 #include "framehook.h"
27 #include "opt.h"
28 #include "fifo.h"
29
30 #ifdef __MINGW32__
31 #include <conio.h>
32 #else
33 #include <unistd.h>
34 #include <fcntl.h>
35 #include <sys/ioctl.h>
36 #include <sys/time.h>
37 #include <termios.h>
38 #include <sys/resource.h>
39 #endif
40 #ifdef CONFIG_OS2
41 #include <sys/types.h>
42 #include <sys/select.h>
43 #include <stdlib.h>
44 #endif
45 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
46 #include <time.h>
47
48 #include "version.h"
49 #include "cmdutils.h"
50
51 #undef NDEBUG
52 #include <assert.h>
53
54 #if !defined(INFINITY) && defined(HUGE_VAL)
55 #define INFINITY HUGE_VAL
56 #endif
57
58 #undef exit
59
60 /* select an input stream for an output stream */
61 typedef struct AVStreamMap {
62 int file_index;
63 int stream_index;
64 int sync_file_index;
65 int sync_stream_index;
66 } AVStreamMap;
67
68 /** select an input file for an output file */
69 typedef struct AVMetaDataMap {
70 int out_file;
71 int in_file;
72 } AVMetaDataMap;
73
74 extern const OptionDef options[];
75
76 static void show_help(void);
77 static void show_license(void);
78 static int opt_default(const char *opt, const char *arg);
79
80 #define MAX_FILES 20
81
82 static AVFormatContext *input_files[MAX_FILES];
83 static int64_t input_files_ts_offset[MAX_FILES];
84 static int nb_input_files = 0;
85
86 static AVFormatContext *output_files[MAX_FILES];
87 static int nb_output_files = 0;
88
89 static AVStreamMap stream_maps[MAX_FILES];
90 static int nb_stream_maps;
91
92 static AVMetaDataMap meta_data_maps[MAX_FILES];
93 static int nb_meta_data_maps;
94
95 static AVInputFormat *file_iformat;
96 static AVOutputFormat *file_oformat;
97 static int frame_width = 0;
98 static int frame_height = 0;
99 static float frame_aspect_ratio = 0;
100 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
101 static int frame_padtop = 0;
102 static int frame_padbottom = 0;
103 static int frame_padleft = 0;
104 static int frame_padright = 0;
105 static int padcolor[3] = {16,128,128}; /* default to black */
106 static int frame_topBand = 0;
107 static int frame_bottomBand = 0;
108 static int frame_leftBand = 0;
109 static int frame_rightBand = 0;
110 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
111 static int frame_rate = 25;
112 static int frame_rate_base = 1;
113 static float video_qscale = 0;
114 static int video_qdiff = 3;
115 static uint16_t *intra_matrix = NULL;
116 static uint16_t *inter_matrix = NULL;
117 #if 0 //experimental, (can be removed)
118 static float video_rc_qsquish=1.0;
119 static float video_rc_qmod_amp=0;
120 static int video_rc_qmod_freq=0;
121 #endif
122 static char *video_rc_override_string=NULL;
123 static char *video_rc_eq="tex^qComp";
124 static int me_method = ME_EPZS;
125 static int video_disable = 0;
126 static int video_discard = 0;
127 static int video_codec_id = CODEC_ID_NONE;
128 static int video_codec_tag = 0;
129 static int same_quality = 0;
130 static int do_deinterlace = 0;
131 static int strict = 0;
132 static int top_field_first = -1;
133 static int me_threshold = 0;
134 static int intra_dc_precision = 8;
135 static int loop_input = 0;
136 static int loop_output = AVFMT_NOOUTPUTLOOP;
137 static int qp_hist = 0;
138
139 static int intra_only = 0;
140 static int audio_sample_rate = 44100;
141 #define QSCALE_NONE -99999
142 static float audio_qscale = QSCALE_NONE;
143 static int audio_disable = 0;
144 static int audio_channels = 1;
145 static int audio_codec_id = CODEC_ID_NONE;
146 static int audio_codec_tag = 0;
147 static char *audio_language = NULL;
148
149 static int subtitle_codec_id = CODEC_ID_NONE;
150 static char *subtitle_language = NULL;
151
152 static float mux_preload= 0.5;
153 static float mux_max_delay= 0.7;
154
155 static int64_t recording_time = 0;
156 static int64_t start_time = 0;
157 static int64_t rec_timestamp = 0;
158 static int64_t input_ts_offset = 0;
159 static int file_overwrite = 0;
160 static char *str_title = NULL;
161 static char *str_author = NULL;
162 static char *str_copyright = NULL;
163 static char *str_comment = NULL;
164 static char *str_album = NULL;
165 static int do_benchmark = 0;
166 static int do_hex_dump = 0;
167 static int do_pkt_dump = 0;
168 static int do_psnr = 0;
169 static int do_vstats = 0;
170 static int do_pass = 0;
171 static char *pass_logfilename = NULL;
172 static int audio_stream_copy = 0;
173 static int video_stream_copy = 0;
174 static int subtitle_stream_copy = 0;
175 static int video_sync_method= 1;
176 static int audio_sync_method= 0;
177 static int copy_ts= 0;
178 static int opt_shortest = 0; //
179 static int video_global_header = 0;
180
181 static int rate_emu = 0;
182
183 static int video_channel = 0;
184 static char *video_standard = "ntsc";
185
186 static int audio_volume = 256;
187
188 static int using_stdin = 0;
189 static int using_vhook = 0;
190 static int verbose = 1;
191 static int thread_count= 1;
192 static int q_pressed = 0;
193 static int64_t video_size = 0;
194 static int64_t audio_size = 0;
195 static int64_t extra_size = 0;
196 static int nb_frames_dup = 0;
197 static int nb_frames_drop = 0;
198 static int input_sync;
199 static int limit_filesize = 0; //
200
201 static int pgmyuv_compatibility_hack=0;
202 static int dts_delta_threshold = 10;
203
204 static int sws_flags = SWS_BICUBIC;
205
206 const char **opt_names=NULL;
207 int opt_name_count=0;
208 AVCodecContext *avctx_opts[CODEC_TYPE_NB];
209 AVFormatContext *avformat_opts;
210 static int64_t timer_start = 0;
211
212 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
213 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
214 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
215
216 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
217
218 struct AVInputStream;
219
220 typedef struct AVOutputStream {
221 int file_index; /* file index */
222 int index; /* stream index in the output file */
223 int source_index; /* AVInputStream index */
224 AVStream *st; /* stream in the output file */
225 int encoding_needed; /* true if encoding needed for this stream */
226 int frame_number;
227 /* input pts and corresponding output pts
228 for A/V sync */
229 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
230 struct AVInputStream *sync_ist; /* input stream to sync against */
231 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
232 /* video only */
233 int video_resample;
234 AVFrame pict_tmp; /* temporary image for resampling */
235 struct SwsContext *img_resample_ctx; /* for image resampling */
236 int resample_height;
237
238 int video_crop;
239 int topBand; /* cropping area sizes */
240 int leftBand;
241
242 int video_pad;
243 int padtop; /* padding area sizes */
244 int padbottom;
245 int padleft;
246 int padright;
247
248 /* audio only */
249 int audio_resample;
250 ReSampleContext *resample; /* for audio resampling */
251 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
252 FILE *logfile;
253 } AVOutputStream;
254
255 typedef struct AVInputStream {
256 int file_index;
257 int index;
258 AVStream *st;
259 int discard; /* true if stream data should be discarded */
260 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
261 int64_t sample_index; /* current sample */
262
263 int64_t start; /* time when read started */
264 unsigned long frame; /* current frame */
265 int64_t next_pts; /* synthetic pts for cases where pkt.pts
266 is not defined */
267 int64_t pts; /* current pts */
268 int is_start; /* is 1 at the start and after a discontinuity */
269 } AVInputStream;
270
271 typedef struct AVInputFile {
272 int eof_reached; /* true if eof reached */
273 int ist_index; /* index of first stream in ist_table */
274 int buffer_size; /* current total buffer size */
275 int nb_streams; /* nb streams we are aware of */
276 } AVInputFile;
277
278 #ifndef __MINGW32__
279
280 /* init terminal so that we can grab keys */
281 static struct termios oldtty;
282 #endif
283
284 static void term_exit(void)
285 {
286 #ifndef __MINGW32__
287 tcsetattr (0, TCSANOW, &oldtty);
288 #endif
289 }
290
291 static volatile sig_atomic_t received_sigterm = 0;
292
293 static void
294 sigterm_handler(int sig)
295 {
296 received_sigterm = sig;
297 term_exit();
298 }
299
300 static void term_init(void)
301 {
302 #ifndef __MINGW32__
303 struct termios tty;
304
305 tcgetattr (0, &tty);
306 oldtty = tty;
307
308 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
309 |INLCR|IGNCR|ICRNL|IXON);
310 tty.c_oflag |= OPOST;
311 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
312 tty.c_cflag &= ~(CSIZE|PARENB);
313 tty.c_cflag |= CS8;
314 tty.c_cc[VMIN] = 1;
315 tty.c_cc[VTIME] = 0;
316
317 tcsetattr (0, TCSANOW, &tty);
318 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
319 #endif
320
321 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
322 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
323 /*
324 register a function to be called at normal program termination
325 */
326 atexit(term_exit);
327 #ifdef CONFIG_BEOS_NETSERVER
328 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
329 #endif
330 }
331
332 /* read a key without blocking */
333 static int read_key(void)
334 {
335 #ifdef __MINGW32__
336 if(kbhit())
337 return(getch());
338 #else
339 int n = 1;
340 unsigned char ch;
341 #ifndef CONFIG_BEOS_NETSERVER
342 struct timeval tv;
343 fd_set rfds;
344
345 FD_ZERO(&rfds);
346 FD_SET(0, &rfds);
347 tv.tv_sec = 0;
348 tv.tv_usec = 0;
349 n = select(1, &rfds, NULL, NULL, &tv);
350 #endif
351 if (n > 0) {
352 n = read(0, &ch, 1);
353 if (n == 1)
354 return ch;
355
356 return n;
357 }
358 #endif
359 return -1;
360 }
361
362 static int decode_interrupt_cb(void)
363 {
364 return q_pressed || (q_pressed = read_key() == 'q');
365 }
366
367 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
368 {
369 int i, err;
370 AVFormatContext *ic;
371
372 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
373 if (err < 0)
374 return err;
375 /* copy stream format */
376 s->nb_streams = ic->nb_streams;
377 for(i=0;i<ic->nb_streams;i++) {
378 AVStream *st;
379
380 // FIXME: a more elegant solution is needed
381 st = av_mallocz(sizeof(AVStream));
382 memcpy(st, ic->streams[i], sizeof(AVStream));
383 st->codec = avcodec_alloc_context();
384 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
385 s->streams[i] = st;
386 }
387
388 av_close_input_file(ic);
389 return 0;
390 }
391
392 static double
393 get_sync_ipts(const AVOutputStream *ost)
394 {
395 const AVInputStream *ist = ost->sync_ist;
396 return (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/AV_TIME_BASE;
397 }
398
399 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
400 while(bsfc){
401 AVPacket new_pkt= *pkt;
402 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
403 &new_pkt.data, &new_pkt.size,
404 pkt->data, pkt->size,
405 pkt->flags & PKT_FLAG_KEY);
406 if(a){
407 av_free_packet(pkt);
408 new_pkt.destruct= av_destruct_packet;
409 }
410 *pkt= new_pkt;
411
412 bsfc= bsfc->next;
413 }
414
415 av_interleaved_write_frame(s, pkt);
416 }
417
418 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
419
420 static void do_audio_out(AVFormatContext *s,
421 AVOutputStream *ost,
422 AVInputStream *ist,
423 unsigned char *buf, int size)
424 {
425 uint8_t *buftmp;
426 static uint8_t *audio_buf = NULL;
427 static uint8_t *audio_out = NULL;
428 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
429
430 int size_out, frame_bytes, ret;
431 AVCodecContext *enc= ost->st->codec;
432
433 /* SC: dynamic allocation of buffers */
434 if (!audio_buf)
435 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
436 if (!audio_out)
437 audio_out = av_malloc(audio_out_size);
438 if (!audio_buf || !audio_out)
439 return; /* Should signal an error ! */
440
441 if(audio_sync_method){
442 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
443 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
444 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
445 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
446
447 //FIXME resample delay
448 if(fabs(delta) > 50){
449 if(ist->is_start){
450 if(byte_delta < 0){
451 byte_delta= FFMAX(byte_delta, -size);
452 size += byte_delta;
453 buf -= byte_delta;
454 if(verbose > 2)
455 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
456 if(!size)
457 return;
458 ist->is_start=0;
459 }else{
460 static uint8_t *input_tmp= NULL;
461 input_tmp= av_realloc(input_tmp, byte_delta + size);
462
463 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
464 ist->is_start=0;
465 else
466 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
467
468 memset(input_tmp, 0, byte_delta);
469 memcpy(input_tmp + byte_delta, buf, size);
470 buf= input_tmp;
471 size += byte_delta;
472 if(verbose > 2)
473 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
474 }
475 }else if(audio_sync_method>1){
476 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
477 assert(ost->audio_resample);
478 if(verbose > 2)
479 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
480 // 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));
481 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
482 }
483 }
484 }else
485 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
486 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
487
488 if (ost->audio_resample) {
489 buftmp = audio_buf;
490 size_out = audio_resample(ost->resample,
491 (short *)buftmp, (short *)buf,
492 size / (ist->st->codec->channels * 2));
493 size_out = size_out * enc->channels * 2;
494 } else {
495 buftmp = buf;
496 size_out = size;
497 }
498
499 /* now encode as many frames as possible */
500 if (enc->frame_size > 1) {
501 /* output resampled raw samples */
502 av_fifo_write(&ost->fifo, buftmp, size_out);
503
504 frame_bytes = enc->frame_size * 2 * enc->channels;
505
506 while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
507 AVPacket pkt;
508 av_init_packet(&pkt);
509
510 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
511 (short *)audio_buf);
512 audio_size += ret;
513 pkt.stream_index= ost->index;
514 pkt.data= audio_out;
515 pkt.size= ret;
516 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
517 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
518 pkt.flags |= PKT_FLAG_KEY;
519 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
520
521 ost->sync_opts += enc->frame_size;
522 }
523 } else {
524 AVPacket pkt;
525 av_init_packet(&pkt);
526
527 ost->sync_opts += size_out / (2 * enc->channels);
528
529 /* output a pcm frame */
530 /* XXX: change encoding codec API to avoid this ? */
531 switch(enc->codec->id) {
532 case CODEC_ID_PCM_S32LE:
533 case CODEC_ID_PCM_S32BE:
534 case CODEC_ID_PCM_U32LE:
535 case CODEC_ID_PCM_U32BE:
536 size_out = size_out << 1;
537 break;
538 case CODEC_ID_PCM_S24LE:
539 case CODEC_ID_PCM_S24BE:
540 case CODEC_ID_PCM_U24LE:
541 case CODEC_ID_PCM_U24BE:
542 case CODEC_ID_PCM_S24DAUD:
543 size_out = size_out / 2 * 3;
544 break;
545 case CODEC_ID_PCM_S16LE:
546 case CODEC_ID_PCM_S16BE:
547 case CODEC_ID_PCM_U16LE:
548 case CODEC_ID_PCM_U16BE:
549 break;
550 default:
551 size_out = size_out >> 1;
552 break;
553 }
554 ret = avcodec_encode_audio(enc, audio_out, size_out,
555 (short *)buftmp);
556 audio_size += ret;
557 pkt.stream_index= ost->index;
558 pkt.data= audio_out;
559 pkt.size= ret;
560 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
561 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
562 pkt.flags |= PKT_FLAG_KEY;
563 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
564 }
565 }
566
567 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
568 {
569 AVCodecContext *dec;
570 AVPicture *picture2;
571 AVPicture picture_tmp;
572 uint8_t *buf = 0;
573
574 dec = ist->st->codec;
575
576 /* deinterlace : must be done before any resize */
577 if (do_deinterlace || using_vhook) {
578 int size;
579
580 /* create temporary picture */
581 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
582 buf = av_malloc(size);
583 if (!buf)
584 return;
585
586 picture2 = &picture_tmp;
587 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
588
589 if (do_deinterlace){
590 if(avpicture_deinterlace(picture2, picture,
591 dec->pix_fmt, dec->width, dec->height) < 0) {
592 /* if error, do not deinterlace */
593 av_free(buf);
594 buf = NULL;
595 picture2 = picture;
596 }
597 } else {
598 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
599 }
600 } else {
601 picture2 = picture;
602 }
603
604 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
605
606 if (picture != picture2)
607 *picture = *picture2;
608 *bufp = buf;
609 }
610
611 /* we begin to correct av delay at this threshold */
612 #define AV_DELAY_MAX 0.100
613
614 static void do_subtitle_out(AVFormatContext *s,
615 AVOutputStream *ost,
616 AVInputStream *ist,
617 AVSubtitle *sub,
618 int64_t pts)
619 {
620 static uint8_t *subtitle_out = NULL;
621 int subtitle_out_max_size = 65536;
622 int subtitle_out_size, nb, i;
623 AVCodecContext *enc;
624 AVPacket pkt;
625
626 if (pts == AV_NOPTS_VALUE) {
627 fprintf(stderr, "Subtitle packets must have a pts\n");
628 return;
629 }
630
631 enc = ost->st->codec;
632
633 if (!subtitle_out) {
634 subtitle_out = av_malloc(subtitle_out_max_size);
635 }
636
637 /* Note: DVB subtitle need one packet to draw them and one other
638 packet to clear them */
639 /* XXX: signal it in the codec context ? */
640 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
641 nb = 2;
642 else
643 nb = 1;
644
645 for(i = 0; i < nb; i++) {
646 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
647 subtitle_out_max_size, sub);
648
649 av_init_packet(&pkt);
650 pkt.stream_index = ost->index;
651 pkt.data = subtitle_out;
652 pkt.size = subtitle_out_size;
653 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);
654 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
655 /* XXX: the pts correction is handled here. Maybe handling
656 it in the codec would be better */
657 if (i == 0)
658 pkt.pts += 90 * sub->start_display_time;
659 else
660 pkt.pts += 90 * sub->end_display_time;
661 }
662 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
663 }
664 }
665
666 static int bit_buffer_size= 1024*256;
667 static uint8_t *bit_buffer= NULL;
668
669 static void do_video_out(AVFormatContext *s,
670 AVOutputStream *ost,
671 AVInputStream *ist,
672 AVFrame *in_picture,
673 int *frame_size)
674 {
675 int nb_frames, i, ret;
676 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
677 AVFrame picture_crop_temp, picture_pad_temp;
678 AVCodecContext *enc, *dec;
679
680 avcodec_get_frame_defaults(&picture_crop_temp);
681 avcodec_get_frame_defaults(&picture_pad_temp);
682
683 enc = ost->st->codec;
684 dec = ist->st->codec;
685
686 /* by default, we output a single frame */
687 nb_frames = 1;
688
689 *frame_size = 0;
690
691 if(video_sync_method){
692 double vdelta;
693 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
694 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
695 if (vdelta < -1.1)
696 nb_frames = 0;
697 else if (vdelta > 1.1)
698 nb_frames = lrintf(vdelta);
699 //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);
700 if (nb_frames == 0){
701 ++nb_frames_drop;
702 if (verbose>2)
703 fprintf(stderr, "*** drop!\n");
704 }else if (nb_frames > 1) {
705 nb_frames_dup += nb_frames;
706 if (verbose>2)
707 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
708 }
709 }else
710 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
711
712 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
713 if (nb_frames <= 0)
714 return;
715
716 if (ost->video_crop) {
717 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
718 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
719 return;
720 }
721 formatted_picture = &picture_crop_temp;
722 } else {
723 formatted_picture = in_picture;
724 }
725
726 final_picture = formatted_picture;
727 padding_src = formatted_picture;
728 resampling_dst = &ost->pict_tmp;
729 if (ost->video_pad) {
730 final_picture = &ost->pict_tmp;
731 if (ost->video_resample) {
732 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
733 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
734 return;
735 }
736 resampling_dst = &picture_pad_temp;
737 }
738 }
739
740 if (ost->video_resample) {
741 padding_src = NULL;
742 final_picture = &ost->pict_tmp;
743 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
744 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
745 }
746
747 if (ost->video_pad) {
748 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
749 enc->height, enc->width, enc->pix_fmt,
750 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
751 }
752
753 /* duplicates frame if needed */
754 for(i=0;i<nb_frames;i++) {
755 AVPacket pkt;
756 av_init_packet(&pkt);
757 pkt.stream_index= ost->index;
758
759 if (s->oformat->flags & AVFMT_RAWPICTURE) {
760 /* raw pictures are written as AVPicture structure to
761 avoid any copies. We support temorarily the older
762 method. */
763 AVFrame* old_frame = enc->coded_frame;
764 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
765 pkt.data= (uint8_t *)final_picture;
766 pkt.size= sizeof(AVPicture);
767 if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
768 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
769 if(dec->coded_frame && dec->coded_frame->key_frame)
770 pkt.flags |= PKT_FLAG_KEY;
771
772 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
773 enc->coded_frame = old_frame;
774 } else {
775 AVFrame big_picture;
776
777 big_picture= *final_picture;
778 /* better than nothing: use input picture interlaced
779 settings */
780 big_picture.interlaced_frame = in_picture->interlaced_frame;
781 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
782 if(top_field_first == -1)
783 big_picture.top_field_first = in_picture->top_field_first;
784 else
785 big_picture.top_field_first = top_field_first;
786 }
787
788 /* handles sameq here. This is not correct because it may
789 not be a global option */
790 if (same_quality) {
791 big_picture.quality = ist->st->quality;
792 }else
793 big_picture.quality = ost->st->quality;
794 if(!me_threshold)
795 big_picture.pict_type = 0;
796 // big_picture.pts = AV_NOPTS_VALUE;
797 big_picture.pts= ost->sync_opts;
798 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
799 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
800 ret = avcodec_encode_video(enc,
801 bit_buffer, bit_buffer_size,
802 &big_picture);
803 if (ret == -1) {
804 fprintf(stderr, "Video encoding failed\n");
805 exit(1);
806 }
807 //enc->frame_number = enc->real_pict_num;
808 if(ret>0){
809 pkt.data= bit_buffer;
810 pkt.size= ret;
811 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
812 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
813 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
814 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
815 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
816
817 if(enc->coded_frame && enc->coded_frame->key_frame)
818 pkt.flags |= PKT_FLAG_KEY;
819 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
820 *frame_size = ret;
821 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
822 // enc->frame_number-1, enc->real_pict_num, ret,
823 // enc->pict_type);
824 /* if two pass, output log */
825 if (ost->logfile && enc->stats_out) {
826 fprintf(ost->logfile, "%s", enc->stats_out);
827 }
828 }
829 }
830 ost->sync_opts++;
831 ost->frame_number++;
832 }
833 }
834
835 static double psnr(double d){
836 if(d==0) return INFINITY;
837 return -10.0*log(d)/log(10.0);
838 }
839
840 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
841 int frame_size)
842 {
843 static FILE *fvstats=NULL;
844 char filename[40];
845 time_t today2;
846 struct tm *today;
847 AVCodecContext *enc;
848 int frame_number;
849 int64_t ti;
850 double ti1, bitrate, avg_bitrate;
851
852 if (!fvstats) {
853 today2 = time(NULL);
854 today = localtime(&today2);
855 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour,
856 today->tm_min,
857 today->tm_sec);
858 fvstats = fopen(filename,"w");
859 if (!fvstats) {
860 perror("fopen");
861 exit(1);
862 }
863 }
864
865 ti = INT64_MAX;
866 enc = ost->st->codec;
867 if (enc->codec_type == CODEC_TYPE_VIDEO) {
868 frame_number = ost->frame_number;
869 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
870 if (enc->flags&CODEC_FLAG_PSNR)
871 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
872
873 fprintf(fvstats,"f_size= %6d ", frame_size);
874 /* compute pts value */
875 ti1 = ost->sync_opts * av_q2d(enc->time_base);
876 if (ti1 < 0.01)
877 ti1 = 0.01;
878
879 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
880 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
881 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
882 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
883 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
884 }
885 }
886
887 static void print_report(AVFormatContext **output_files,
888 AVOutputStream **ost_table, int nb_ostreams,
889 int is_last_report)
890 {
891 char buf[1024];
892 AVOutputStream *ost;
893 AVFormatContext *oc, *os;
894 int64_t total_size;
895 AVCodecContext *enc;
896 int frame_number, vid, i;
897 double bitrate, ti1, pts;
898 static int64_t last_time = -1;
899 static int qp_histogram[52];
900
901 if (!is_last_report) {
902 int64_t cur_time;
903 /* display the report every 0.5 seconds */
904 cur_time = av_gettime();
905 if (last_time == -1) {
906 last_time = cur_time;
907 return;
908 }
909 if ((cur_time - last_time) < 500000)
910 return;
911 last_time = cur_time;
912 }
913
914
915 oc = output_files[0];
916
917 total_size = url_ftell(&oc->pb);
918
919 buf[0] = '\0';
920 ti1 = 1e10;
921 vid = 0;
922 for(i=0;i<nb_ostreams;i++) {
923 ost = ost_table[i];
924 os = output_files[ost->file_index];
925 enc = ost->st->codec;
926 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
927 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
928 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
929 }
930 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
931 float t = (av_gettime()-timer_start) / 1000000.0;
932
933 frame_number = ost->frame_number;
934 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
935 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
936 enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
937 if(is_last_report)
938 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
939 if(qp_hist && enc->coded_frame){
940 int j;
941 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
942 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
943 qp_histogram[qp]++;
944 for(j=0; j<32; j++)
945 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
946 }
947 if (enc->flags&CODEC_FLAG_PSNR){
948 int j;
949 double error, error_sum=0;
950 double scale, scale_sum=0;
951 char type[3]= {'Y','U','V'};
952 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
953 for(j=0; j<3; j++){
954 if(is_last_report){
955 error= enc->error[j];
956 scale= enc->width*enc->height*255.0*255.0*frame_number;
957 }else{
958 error= enc->coded_frame->error[j];
959 scale= enc->width*enc->height*255.0*255.0;
960 }
961 if(j) scale/=4;
962 error_sum += error;
963 scale_sum += scale;
964 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
965 }
966 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
967 }
968 vid = 1;
969 }
970 /* compute min output value */
971 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
972 if ((pts < ti1) && (pts > 0))
973 ti1 = pts;
974 }
975 if (ti1 < 0.01)
976 ti1 = 0.01;
977
978 if (verbose || is_last_report) {
979 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
980
981 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
982 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
983 (double)total_size / 1024, ti1, bitrate);
984
985 if (verbose > 1)
986 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
987 nb_frames_dup, nb_frames_drop);
988
989 if (verbose >= 0)
990 fprintf(stderr, "%s \r", buf);
991
992 fflush(stderr);
993 }
994
995 if (is_last_report && verbose >= 0){
996 int64_t raw= audio_size + video_size + extra_size;
997 fprintf(stderr, "\n");
998 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
999 video_size/1024.0,
1000 audio_size/1024.0,
1001 extra_size/1024.0,
1002 100.0*(total_size - raw)/raw
1003 );
1004 }
1005 }
1006
1007 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1008 static int output_packet(AVInputStream *ist, int ist_index,
1009 AVOutputStream **ost_table, int nb_ostreams,
1010 const AVPacket *pkt)
1011 {
1012 AVFormatContext *os;
1013 AVOutputStream *ost;
1014 uint8_t *ptr;
1015 int len, ret, i;
1016 uint8_t *data_buf;
1017 int data_size, got_picture;
1018 AVFrame picture;
1019 void *buffer_to_free;
1020 static unsigned int samples_size= 0;
1021 static short *samples= NULL;
1022 AVSubtitle subtitle, *subtitle_to_free;
1023 int got_subtitle;
1024
1025 if(!pkt){
1026 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1027 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1028 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1029 } else {
1030 // assert(ist->pts == ist->next_pts);
1031 }
1032
1033 if (pkt == NULL) {
1034 /* EOF handling */
1035 ptr = NULL;
1036 len = 0;
1037 goto handle_eof;
1038 }
1039
1040 len = pkt->size;
1041 ptr = pkt->data;
1042 while (len > 0) {
1043 handle_eof:
1044 /* decode the packet if needed */
1045 data_buf = NULL; /* fail safe */
1046 data_size = 0;
1047 subtitle_to_free = NULL;
1048 if (ist->decoding_needed) {
1049 switch(ist->st->codec->codec_type) {
1050 case CODEC_TYPE_AUDIO:{
1051 if(pkt)
1052 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size, AVCODEC_MAX_AUDIO_FRAME_SIZE));
1053 data_size= samples_size;
1054 /* XXX: could avoid copy if PCM 16 bits with same
1055 endianness as CPU */
1056 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1057 ptr, len);
1058 if (ret < 0)
1059 goto fail_decode;
1060 ptr += ret;
1061 len -= ret;
1062 /* Some bug in mpeg audio decoder gives */
1063 /* data_size < 0, it seems they are overflows */
1064 if (data_size <= 0) {
1065 /* no audio frame */
1066 continue;
1067 }
1068 data_buf = (uint8_t *)samples;
1069 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1070 (ist->st->codec->sample_rate * ist->st->codec->channels);
1071 break;}
1072 case CODEC_TYPE_VIDEO:
1073 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1074 /* XXX: allocate picture correctly */
1075 avcodec_get_frame_defaults(&picture);
1076
1077 ret = avcodec_decode_video(ist->st->codec,
1078 &picture, &got_picture, ptr, len);
1079 ist->st->quality= picture.quality;
1080 if (ret < 0)
1081 goto fail_decode;
1082 if (!got_picture) {
1083 /* no picture yet */
1084 goto discard_packet;
1085 }
1086 if (ist->st->codec->time_base.num != 0) {
1087 ist->next_pts += ((int64_t)AV_TIME_BASE *
1088 ist->st->codec->time_base.num) /
1089 ist->st->codec->time_base.den;
1090 }
1091 len = 0;
1092 break;
1093 case CODEC_TYPE_SUBTITLE:
1094 ret = avcodec_decode_subtitle(ist->st->codec,
1095 &subtitle, &got_subtitle, ptr, len);
1096 if (ret < 0)
1097 goto fail_decode;
1098 if (!got_subtitle) {
1099 goto discard_packet;
1100 }
1101 subtitle_to_free = &subtitle;
1102 len = 0;
1103 break;
1104 default:
1105 goto fail_decode;
1106 }
1107 } else {
1108 switch(ist->st->codec->codec_type) {
1109 case CODEC_TYPE_AUDIO:
1110 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1111 (ist->st->codec->sample_rate * ist->st->codec->channels);
1112 break;
1113 case CODEC_TYPE_VIDEO:
1114 if (ist->st->codec->time_base.num != 0) {
1115 ist->next_pts += ((int64_t)AV_TIME_BASE *
1116 ist->st->codec->time_base.num) /
1117 ist->st->codec->time_base.den;
1118 }
1119 break;
1120 }
1121 data_buf = ptr;
1122 data_size = len;
1123 ret = len;
1124 len = 0;
1125 }
1126
1127 buffer_to_free = NULL;
1128 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1129 pre_process_video_frame(ist, (AVPicture *)&picture,
1130 &buffer_to_free);
1131 }
1132
1133 // preprocess audio (volume)
1134 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1135 if (audio_volume != 256) {
1136 short *volp;
1137 volp = samples;
1138 for(i=0;i<(data_size / sizeof(short));i++) {
1139 int v = ((*volp) * audio_volume + 128) >> 8;
1140 if (v < -32768) v = -32768;
1141 if (v > 32767) v = 32767;
1142 *volp++ = v;
1143 }
1144 }
1145 }
1146
1147 /* frame rate emulation */
1148 if (ist->st->codec->rate_emu) {
1149 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1150 int64_t now = av_gettime() - ist->start;
1151 if (pts > now)
1152 usleep(pts - now);
1153
1154 ist->frame++;
1155 }
1156
1157 #if 0
1158 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1159 is the one of the next displayed one */
1160 /* XXX: add mpeg4 too ? */
1161 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1162 if (ist->st->codec->pict_type != B_TYPE) {
1163 int64_t tmp;
1164 tmp = ist->last_ip_pts;
1165 ist->last_ip_pts = ist->frac_pts.val;
1166 ist->frac_pts.val = tmp;
1167 }
1168 }
1169 #endif
1170 /* if output time reached then transcode raw format,
1171 encode packets and output them */
1172 if (start_time == 0 || ist->pts >= start_time)
1173 for(i=0;i<nb_ostreams;i++) {
1174 int frame_size;
1175
1176 ost = ost_table[i];
1177 if (ost->source_index == ist_index) {
1178 os = output_files[ost->file_index];
1179
1180 #if 0
1181 printf("%d: got pts=%0.3f %0.3f\n", i,
1182 (double)pkt->pts / AV_TIME_BASE,
1183 ((double)ist->pts / AV_TIME_BASE) -
1184 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1185 #endif
1186 /* set the input output pts pairs */
1187 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1188
1189 if (ost->encoding_needed) {
1190 switch(ost->st->codec->codec_type) {
1191 case CODEC_TYPE_AUDIO:
1192 do_audio_out(os, ost, ist, data_buf, data_size);
1193 break;
1194 case CODEC_TYPE_VIDEO:
1195 do_video_out(os, ost, ist, &picture, &frame_size);
1196 video_size += frame_size;
1197 if (do_vstats && frame_size)
1198 do_video_stats(os, ost, frame_size);
1199 break;
1200 case CODEC_TYPE_SUBTITLE:
1201 do_subtitle_out(os, ost, ist, &subtitle,
1202 pkt->pts);
1203 break;
1204 default:
1205 av_abort();
1206 }
1207 } else {
1208 AVFrame avframe; //FIXME/XXX remove this
1209 AVPacket opkt;
1210 av_init_packet(&opkt);
1211
1212 /* no reencoding needed : output the packet directly */
1213 /* force the input stream PTS */
1214
1215 avcodec_get_frame_defaults(&avframe);
1216 ost->st->codec->coded_frame= &avframe;
1217 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1218
1219 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1220 audio_size += data_size;
1221 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1222 video_size += data_size;
1223 ost->sync_opts++;
1224 }
1225
1226 opkt.stream_index= ost->index;
1227 if(pkt->pts != AV_NOPTS_VALUE)
1228 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);
1229 else
1230 opkt.pts= AV_NOPTS_VALUE;
1231
1232 {
1233 int64_t dts;
1234 if (pkt->dts == AV_NOPTS_VALUE)
1235 dts = ist->next_pts;
1236 else
1237 dts= av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1238 opkt.dts= av_rescale_q(dts + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1239 }
1240 opkt.flags= pkt->flags;
1241
1242 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1243 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1244 opkt.destruct= av_destruct_packet;
1245
1246 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][pkt->stream_index]);
1247 ost->st->codec->frame_number++;
1248 ost->frame_number++;
1249 av_free_packet(&opkt);
1250 }
1251 }
1252 }
1253 av_free(buffer_to_free);
1254 /* XXX: allocate the subtitles in the codec ? */
1255 if (subtitle_to_free) {
1256 if (subtitle_to_free->rects != NULL) {
1257 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1258 av_free(subtitle_to_free->rects[i].bitmap);
1259 av_free(subtitle_to_free->rects[i].rgba_palette);
1260 }
1261 av_freep(&subtitle_to_free->rects);
1262 }
1263 subtitle_to_free->num_rects = 0;
1264 subtitle_to_free = NULL;
1265 }
1266 }
1267 discard_packet:
1268 if (pkt == NULL) {
1269 /* EOF handling */
1270
1271 for(i=0;i<nb_ostreams;i++) {
1272 ost = ost_table[i];
1273 if (ost->source_index == ist_index) {
1274 AVCodecContext *enc= ost->st->codec;
1275 os = output_files[ost->file_index];
1276
1277 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1278 continue;
1279 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1280 continue;
1281
1282 if (ost->encoding_needed) {
1283 for(;;) {
1284 AVPacket pkt;
1285 int fifo_bytes;
1286 av_init_packet(&pkt);
1287 pkt.stream_index= ost->index;
1288
1289 switch(ost->st->codec->codec_type) {
1290 case CODEC_TYPE_AUDIO:
1291 fifo_bytes = av_fifo_size(&ost->fifo);
1292 ret = 0;
1293 /* encode any samples remaining in fifo */
1294 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1295 int fs_tmp = enc->frame_size;
1296 enc->frame_size = fifo_bytes / (2 * enc->channels);
1297 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1298 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1299 }
1300 enc->frame_size = fs_tmp;
1301 }
1302 if(ret <= 0) {
1303 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1304 }
1305 audio_size += ret;
1306 pkt.flags |= PKT_FLAG_KEY;
1307 break;
1308 case CODEC_TYPE_VIDEO:
1309 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1310 video_size += ret;
1311 if(enc->coded_frame && enc->coded_frame->key_frame)
1312 pkt.flags |= PKT_FLAG_KEY;
1313 if (ost->logfile && enc->stats_out) {
1314 fprintf(ost->logfile, "%s", enc->stats_out);
1315 }
1316 break;
1317 default:
1318 ret=-1;
1319 }
1320
1321 if(ret<=0)
1322 break;
1323 pkt.data= bit_buffer;
1324 pkt.size= ret;
1325 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1326 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1327 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1328 }
1329 }
1330 }
1331 }
1332 }
1333
1334 return 0;
1335 fail_decode:
1336 return -1;
1337 }
1338
1339
1340 /*
1341 * The following code is the main loop of the file converter
1342 */
1343 static int av_encode(AVFormatContext **output_files,
1344 int nb_output_files,
1345 AVFormatContext **input_files,
1346 int nb_input_files,
1347 AVStreamMap *stream_maps, int nb_stream_maps)
1348 {
1349 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1350 AVFormatContext *is, *os;
1351 AVCodecContext *codec, *icodec;
1352 AVOutputStream *ost, **ost_table = NULL;
1353 AVInputStream *ist, **ist_table = NULL;
1354 AVInputFile *file_table;
1355 int key;
1356
1357 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1358 if (!file_table)
1359 goto fail;
1360
1361 /* input stream init */
1362 j = 0;
1363 for(i=0;i<nb_input_files;i++) {
1364 is = input_files[i];
1365 file_table[i].ist_index = j;
1366 file_table[i].nb_streams = is->nb_streams;
1367 j += is->nb_streams;
1368 }
1369 nb_istreams = j;
1370
1371 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1372 if (!ist_table)
1373 goto fail;
1374
1375 for(i=0;i<nb_istreams;i++) {
1376 ist = av_mallocz(sizeof(AVInputStream));
1377 if (!ist)
1378 goto fail;
1379 ist_table[i] = ist;
1380 }
1381 j = 0;
1382 for(i=0;i<nb_input_files;i++) {
1383 is = input_files[i];
1384 for(k=0;k<is->nb_streams;k++) {
1385 ist = ist_table[j++];
1386 ist->st = is->streams[k];
1387 ist->file_index = i;
1388 ist->index = k;
1389 ist->discard = 1; /* the stream is discarded by default
1390 (changed later) */
1391
1392 if (ist->st->codec->rate_emu) {
1393 ist->start = av_gettime();
1394 ist->frame = 0;
1395 }
1396 }
1397 }
1398
1399 /* output stream init */
1400 nb_ostreams = 0;
1401 for(i=0;i<nb_output_files;i++) {
1402 os = output_files[i];
1403 if (!os->nb_streams) {
1404 fprintf(stderr, "Output file does not contain any stream\n");
1405 exit(1);
1406 }
1407 nb_ostreams += os->nb_streams;
1408 }
1409 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1410 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1411 exit(1);
1412 }
1413
1414 /* Sanity check the mapping args -- do the input files & streams exist? */
1415 for(i=0;i<nb_stream_maps;i++) {
1416 int fi = stream_maps[i].file_index;
1417 int si = stream_maps[i].stream_index;
1418
1419 if (fi < 0 || fi > nb_input_files - 1 ||
1420 si < 0 || si > file_table[fi].nb_streams - 1) {
1421 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1422 exit(1);
1423 }
1424 fi = stream_maps[i].sync_file_index;
1425 si = stream_maps[i].sync_stream_index;
1426 if (fi < 0 || fi > nb_input_files - 1 ||
1427 si < 0 || si > file_table[fi].nb_streams - 1) {
1428 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1429 exit(1);
1430 }
1431 }
1432
1433 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1434 if (!ost_table)
1435 goto fail;
1436 for(i=0;i<nb_ostreams;i++) {
1437 ost = av_mallocz(sizeof(AVOutputStream));
1438 if (!ost)
1439 goto fail;
1440 ost_table[i] = ost;
1441 }
1442
1443 n = 0;
1444 for(k=0;k<nb_output_files;k++) {
1445 os = output_files[k];
1446 for(i=0;i<os->nb_streams;i++) {
1447 int found;
1448 ost = ost_table[n++];
1449 ost->file_index = k;
1450 ost->index = i;
1451 ost->st = os->streams[i];
1452 if (nb_stream_maps > 0) {
1453 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1454 stream_maps[n-1].stream_index;
1455
1456 /* Sanity check that the stream types match */
1457 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1458 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1459 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1460 ost->file_index, ost->index);
1461 exit(1);
1462 }
1463
1464 } else {
1465 /* get corresponding input stream index : we select the first one with the right type */
1466 found = 0;
1467 for(j=0;j<nb_istreams;j++) {
1468 ist = ist_table[j];
1469 if (ist->discard &&
1470 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1471 ost->source_index = j;
1472 found = 1;
1473 break;
1474 }
1475 }
1476
1477 if (!found) {
1478 /* try again and reuse existing stream */
1479 for(j=0;j<nb_istreams;j++) {
1480 ist = ist_table[j];
1481 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1482 ost->source_index = j;
1483 found = 1;
1484 }
1485 }
1486 if (!found) {
1487 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1488 ost->file_index, ost->index);
1489 exit(1);
1490 }
1491 }
1492 }
1493 ist = ist_table[ost->source_index];
1494 ist->discard = 0;
1495 ost->sync_ist = (nb_stream_maps > 0) ?
1496 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1497 stream_maps[n-1].sync_stream_index] : ist;
1498 }
1499 }
1500
1501 /* for each output stream, we compute the right encoding parameters */
1502 for(i=0;i<nb_ostreams;i++) {
1503 ost = ost_table[i];
1504 ist = ist_table[ost->source_index];
1505
1506 codec = ost->st->codec;
1507 icodec = ist->st->codec;
1508
1509 if (ost->st->stream_copy) {
1510 /* if stream_copy is selected, no need to decode or encode */
1511 codec->codec_id = icodec->codec_id;
1512 codec->codec_type = icodec->codec_type;
1513 if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1514 codec->bit_rate = icodec->bit_rate;
1515 codec->extradata= icodec->extradata;
1516 codec->extradata_size= icodec->extradata_size;
1517 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1518 codec->time_base = icodec->time_base;
1519 else
1520 codec->time_base = ist->st->time_base;
1521 switch(codec->codec_type) {
1522 case CODEC_TYPE_AUDIO:
1523 codec->sample_rate = icodec->sample_rate;
1524 codec->channels = icodec->channels;
1525 codec->frame_size = icodec->frame_size;
1526 codec->block_align= icodec->block_align;
1527 break;
1528 case CODEC_TYPE_VIDEO:
1529 if(using_vhook) {
1530 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1531 exit(1);
1532 }
1533 codec->pix_fmt = icodec->pix_fmt;
1534 codec->width = icodec->width;
1535 codec->height = icodec->height;
1536 codec->has_b_frames = icodec->has_b_frames;
1537 break;
1538 case CODEC_TYPE_SUBTITLE:
1539 break;
1540 default:
1541 av_abort();
1542 }
1543 } else {
1544 switch(codec->codec_type) {
1545 case CODEC_TYPE_AUDIO:
1546 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1547 goto fail;
1548
1549 if (codec->channels == icodec->channels &&
1550 codec->sample_rate == icodec->sample_rate) {
1551 ost->audio_resample = 0;
1552 } else {
1553 if (codec->channels != icodec->channels &&
1554 (icodec->codec_id == CODEC_ID_AC3 ||
1555 icodec->codec_id == CODEC_ID_DTS)) {
1556 /* Special case for 5:1 AC3 and DTS input */
1557 /* and mono or stereo output */
1558 /* Request specific number of channels */
1559 icodec->channels = codec->channels;
1560 if (codec->sample_rate == icodec->sample_rate)
1561 ost->audio_resample = 0;
1562 else {
1563 ost->audio_resample = 1;
1564 }
1565 } else {
1566 ost->audio_resample = 1;
1567 }
1568 }
1569 if(audio_sync_method>1)
1570 ost->audio_resample = 1;
1571
1572 if(ost->audio_resample){
1573 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1574 codec->sample_rate, icodec->sample_rate);
1575 if(!ost->resample){
1576 printf("Can't resample. Aborting.\n");
1577 av_abort();
1578 }
1579 }
1580 ist->decoding_needed = 1;
1581 ost->encoding_needed = 1;
1582 break;
1583 case CODEC_TYPE_VIDEO:
1584 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1585 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1586 ost->video_resample = ((codec->width != icodec->width -
1587 (frame_leftBand + frame_rightBand) +
1588 (frame_padleft + frame_padright)) ||
1589 (codec->height != icodec->height -
1590 (frame_topBand + frame_bottomBand) +
1591 (frame_padtop + frame_padbottom)) ||
1592 (codec->pix_fmt != icodec->pix_fmt));
1593 if (ost->video_crop) {
1594 ost->topBand = frame_topBand;
1595 ost->leftBand = frame_leftBand;
1596 }
1597 if (ost->video_pad) {
1598 ost->padtop = frame_padtop;
1599 ost->padleft = frame_padleft;
1600 ost->padbottom = frame_padbottom;
1601 ost->padright = frame_padright;
1602 if (!ost->video_resample) {
1603 avcodec_get_frame_defaults(&ost->pict_tmp);
1604 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1605 codec->width, codec->height ) )
1606 goto fail;
1607 }
1608 }
1609 if (ost->video_resample) {
1610 avcodec_get_frame_defaults(&ost->pict_tmp);
1611 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1612 codec->width, codec->height ) )
1613 exit(1);
1614
1615 ost->img_resample_ctx = sws_getContext(
1616 icodec->width - (frame_leftBand + frame_rightBand),
1617 icodec->height - (frame_topBand + frame_bottomBand),
1618 icodec->pix_fmt,
1619 codec->width - (frame_padleft + frame_padright),
1620 codec->height - (frame_padtop + frame_padbottom),
1621 codec->pix_fmt,
1622 sws_flags, NULL, NULL, NULL);
1623 if (ost->img_resample_ctx == NULL) {
1624 fprintf(stderr, "Cannot get resampling context\n");
1625 exit(1);
1626 }
1627 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1628 }
1629 ost->encoding_needed = 1;
1630 ist->decoding_needed = 1;
1631 break;
1632 case CODEC_TYPE_SUBTITLE:
1633 ost->encoding_needed = 1;
1634 ist->decoding_needed = 1;
1635 break;
1636 default:
1637 av_abort();
1638 break;
1639 }
1640 /* two pass mode */
1641 if (ost->encoding_needed &&
1642 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1643 char logfilename[1024];
1644 FILE *f;
1645 int size;
1646 char *logbuffer;
1647
1648 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1649 pass_logfilename ?
1650 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1651 if (codec->flags & CODEC_FLAG_PASS1) {
1652 f = fopen(logfilename, "w");
1653 if (!f) {
1654 perror(logfilename);
1655 exit(1);
1656 }
1657 ost->logfile = f;
1658 } else {
1659 /* read the log file */
1660 f = fopen(logfilename, "r");
1661 if (!f) {
1662 perror(logfilename);
1663 exit(1);
1664 }
1665 fseek(f, 0, SEEK_END);
1666 size = ftell(f);
1667 fseek(f, 0, SEEK_SET);
1668 logbuffer = av_malloc(size + 1);
1669 if (!logbuffer) {
1670 fprintf(stderr, "Could not allocate log buffer\n");
1671 exit(1);
1672 }
1673 size = fread(logbuffer, 1, size, f);
1674 fclose(f);
1675 logbuffer[size] = '\0';
1676 codec->stats_in = logbuffer;
1677 }
1678 }
1679 }
1680 if(codec->codec_type == CODEC_TYPE_VIDEO){
1681 int size= codec->width * codec->height;
1682 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1683 }
1684 }
1685
1686 if (!bit_buffer)
1687 bit_buffer = av_malloc(bit_buffer_size);
1688 if (!bit_buffer)
1689 goto fail;
1690
1691 /* dump the file output parameters - cannot be done before in case
1692 of stream copy */
1693 for(i=0;i<nb_output_files;i++) {
1694 dump_format(output_files[i], i, output_files[i]->filename, 1);
1695 }
1696
1697 /* dump the stream mapping */
1698 if (verbose >= 0) {
1699 fprintf(stderr, "Stream mapping:\n");
1700 for(i=0;i<nb_ostreams;i++) {
1701 ost = ost_table[i];
1702 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1703 ist_table[ost->source_index]->file_index,
1704 ist_table[ost->source_index]->index,
1705 ost->file_index,
1706 ost->index);
1707 if (ost->sync_ist != ist_table[ost->source_index])
1708 fprintf(stderr, " [sync #%d.%d]",
1709 ost->sync_ist->file_index,
1710 ost->sync_ist->index);
1711 fprintf(stderr, "\n");
1712 }
1713 }
1714
1715 /* open each encoder */
1716 for(i=0;i<nb_ostreams;i++) {
1717 ost = ost_table[i];
1718 if (ost->encoding_needed) {
1719 AVCodec *codec;
1720 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1721 if (!codec) {
1722 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1723 ost->file_index, ost->index);
1724 exit(1);
1725 }
1726 if (avcodec_open(ost->st->codec, codec) < 0) {
1727 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1728 ost->file_index, ost->index);
1729 exit(1);
1730 }
1731 extra_size += ost->st->codec->extradata_size;
1732 }
1733 }
1734
1735 /* open each decoder */
1736 for(i=0;i<nb_istreams;i++) {
1737 ist = ist_table[i];
1738 if (ist->decoding_needed) {
1739 AVCodec *codec;
1740 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1741 if (!codec) {
1742 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1743 ist->st->codec->codec_id, ist->file_index, ist->index);
1744 exit(1);
1745 }
1746 if (avcodec_open(ist->st->codec, codec) < 0) {
1747 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1748 ist->file_index, ist->index);
1749 exit(1);
1750 }
1751 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1752 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1753 }
1754 }
1755
1756 /* init pts */
1757 for(i=0;i<nb_istreams;i++) {
1758 ist = ist_table[i];
1759 is = input_files[ist->file_index];
1760 ist->pts = 0;
1761 ist->next_pts = av_rescale_q(ist->st->start_time, ist->st->time_base, AV_TIME_BASE_Q);
1762 if(ist->st->start_time == AV_NOPTS_VALUE)
1763 ist->next_pts=0;
1764 if(input_files_ts_offset[ist->file_index])
1765 ist->next_pts= AV_NOPTS_VALUE;
1766 ist->is_start = 1;
1767 }
1768
1769 /* set meta data information from input file if required */
1770 for (i=0;i<nb_meta_data_maps;i++) {
1771 AVFormatContext *out_file;
1772 AVFormatContext *in_file;
1773
1774 int out_file_index = meta_data_maps[i].out_file;
1775 int in_file_index = meta_data_maps[i].in_file;
1776 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1777 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1778 ret = AVERROR(EINVAL);
1779 goto fail;
1780 }
1781 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1782 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1783 ret = AVERROR(EINVAL);
1784 goto fail;
1785 }
1786
1787 out_file = output_files[out_file_index];
1788 in_file = input_files[in_file_index];
1789
1790 strcpy(out_file->title, in_file->title);
1791 strcpy(out_file->author, in_file->author);
1792 strcpy(out_file->copyright, in_file->copyright);
1793 strcpy(out_file->comment, in_file->comment);
1794 strcpy(out_file->album, in_file->album);
1795 out_file->year = in_file->year;
1796 out_file->track = in_file->track;
1797 strcpy(out_file->genre, in_file->genre);
1798 }
1799
1800 /* open files and write file headers */
1801 for(i=0;i<nb_output_files;i++) {
1802 os = output_files[i];
1803 if (av_write_header(os) < 0) {
1804 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1805 ret = AVERROR(EINVAL);
1806 goto fail;
1807 }
1808 }
1809
1810 if ( !using_stdin && verbose >= 0) {
1811 fprintf(stderr, "Press [q] to stop encoding\n");
1812 url_set_interrupt_cb(decode_interrupt_cb);
1813 }
1814 term_init();
1815
1816 key = -1;
1817 timer_start = av_gettime();
1818
1819 for(; received_sigterm == 0;) {
1820 int file_index, ist_index;
1821 AVPacket pkt;
1822 double ipts_min;
1823 double opts_min;
1824
1825 redo:
1826 ipts_min= 1e100;
1827 opts_min= 1e100;
1828 /* if 'q' pressed, exits */
1829 if (!using_stdin) {
1830 if (q_pressed)
1831 break;
1832 /* read_key() returns 0 on EOF */
1833 key = read_key();
1834 if (key == 'q')
1835 break;
1836 }
1837
1838 /* select the stream that we must read now by looking at the
1839 smallest output pts */
1840 file_index = -1;
1841 for(i=0;i<nb_ostreams;i++) {
1842 double ipts, opts;
1843 ost = ost_table[i];
1844 os = output_files[ost->file_index];
1845 ist = ist_table[ost->source_index];
1846 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1847 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1848 else
1849 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1850 ipts = (double)ist->pts;
1851 if (!file_table[ist->file_index].eof_reached){
1852 if(ipts < ipts_min) {
1853 ipts_min = ipts;
1854 if(input_sync ) file_index = ist->file_index;
1855 }
1856 if(opts < opts_min) {
1857 opts_min = opts;
1858 if(!input_sync) file_index = ist->file_index;
1859 }
1860 }
1861 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1862 file_index= -1;
1863 break;
1864 }
1865 }
1866 /* if none, if is finished */
1867 if (file_index < 0) {
1868 break;
1869 }
1870
1871 /* finish if recording time exhausted */
1872 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1873 break;
1874
1875 /* finish if limit size exhausted */
1876 if (limit_filesize != 0 && (limit_filesize * 1024) < url_ftell(&output_files[0]->pb))
1877 break;
1878
1879 /* read a frame from it and output it in the fifo */
1880 is = input_files[file_index];
1881 if (av_read_frame(is, &pkt) < 0) {
1882 file_table[file_index].eof_reached = 1;
1883 if (opt_shortest) break; else continue; //
1884 }
1885
1886 if (do_pkt_dump) {
1887 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1888 }
1889 /* the following test is needed in case new streams appear
1890 dynamically in stream : we ignore them */
1891 if (pkt.stream_index >= file_table[file_index].nb_streams)
1892 goto discard_packet;
1893 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1894 ist = ist_table[ist_index];
1895 if (ist->discard)
1896 goto discard_packet;
1897
1898 // 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);
1899 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1900 int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
1901 if(FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE && !copy_ts){
1902 input_files_ts_offset[ist->file_index]-= delta;
1903 if (verbose > 2)
1904 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1905 for(i=0; i<file_table[file_index].nb_streams; i++){
1906 int index= file_table[file_index].ist_index + i;
1907 ist_table[index]->next_pts += delta;
1908 ist_table[index]->is_start=1;
1909 }
1910 }
1911 }
1912
1913 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1914 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1915
1916 if (verbose >= 0)
1917 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1918 ist->file_index, ist->index);
1919
1920 av_free_packet(&pkt);
1921 goto redo;
1922 }
1923
1924 discard_packet:
1925 av_free_packet(&pkt);
1926
1927 /* dump report by using the output first video and audio streams */
1928 print_report(output_files, ost_table, nb_ostreams, 0);
1929 }
1930
1931 /* at the end of stream, we must flush the decoder buffers */
1932 for(i=0;i<nb_istreams;i++) {
1933 ist = ist_table[i];
1934 if (ist->decoding_needed) {
1935 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1936 }
1937 }
1938
1939 term_exit();
1940
1941 /* write the trailer if needed and close file */
1942 for(i=0;i<nb_output_files;i++) {
1943 os = output_files[i];
1944 av_write_trailer(os);
1945 }
1946
1947 /* dump report by using the first video and audio streams */
1948 print_report(output_files, ost_table, nb_ostreams, 1);
1949
1950 /* close each encoder */
1951 for(i=0;i<nb_ostreams;i++) {
1952 ost = ost_table[i];
1953 if (ost->encoding_needed) {
1954 av_freep(&ost->st->codec->stats_in);
1955 avcodec_close(ost->st->codec);
1956 }
1957 }
1958
1959 /* close each decoder */
1960 for(i=0;i<nb_istreams;i++) {
1961 ist = ist_table[i];
1962 if (ist->decoding_needed) {
1963 avcodec_close(ist->st->codec);
1964 }
1965 }
1966
1967 /* finished ! */
1968
1969 ret = 0;
1970 fail1:
1971 av_freep(&bit_buffer);
1972 av_free(file_table);
1973
1974 if (ist_table) {
1975 for(i=0;i<nb_istreams;i++) {
1976 ist = ist_table[i];
1977 av_free(ist);
1978 }
1979 av_free(ist_table);
1980 }
1981 if (ost_table) {
1982 for(i=0;i<nb_ostreams;i++) {
1983 ost = ost_table[i];
1984 if (ost) {
1985 if (ost->logfile) {
1986 fclose(ost->logfile);
1987 ost->logfile = NULL;
1988 }
1989 av_fifo_free(&ost->fifo); /* works even if fifo is not
1990 initialized but set to zero */
1991 av_free(ost->pict_tmp.data[0]);
1992 if (ost->video_resample)
1993 sws_freeContext(ost->img_resample_ctx);
1994 if (ost->audio_resample)
1995 audio_resample_close(ost->resample);
1996 av_free(ost);
1997 }
1998 }
1999 av_free(ost_table);
2000 }
2001 return ret;
2002 fail:
2003 ret = AVERROR(ENOMEM);
2004 goto fail1;
2005 }
2006
2007 #if 0
2008 int file_read(const char *filename)
2009 {
2010 URLContext *h;
2011 unsigned char buffer[1024];
2012 int len, i;
2013
2014 if (url_open(&h, filename, O_RDONLY) < 0) {
2015 printf("could not open '%s'\n", filename);
2016 return -1;
2017 }
2018 for(;;) {
2019 len = url_read(h, buffer, sizeof(buffer));
2020 if (len <= 0)
2021 break;
2022 for(i=0;i<len;i++) putchar(buffer[i]);
2023 }
2024 url_close(h);
2025 return 0;
2026 }
2027 #endif
2028
2029 static void opt_format(const char *arg)
2030 {
2031 /* compatibility stuff for pgmyuv */
2032 if (!strcmp(arg, "pgmyuv")) {
2033 pgmyuv_compatibility_hack=1;
2034 // opt_image_format(arg);
2035 arg = "image2";
2036 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2037 }
2038
2039 file_iformat = av_find_input_format(arg);
2040 file_oformat = guess_format(arg, NULL, NULL);
2041 if (!file_iformat && !file_oformat) {
2042 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2043 exit(1);
2044 }
2045 }
2046
2047 static void opt_video_rc_eq(char *arg)
2048 {
2049 video_rc_eq = arg;
2050 }
2051
2052 static void opt_video_rc_override_string(char *arg)
2053 {
2054 video_rc_override_string = arg;
2055 }
2056
2057 static void opt_me_threshold(const char *arg)
2058 {
2059 me_threshold = atoi(arg);
2060 }
2061
2062 static void opt_verbose(const char *arg)
2063 {
2064 verbose = atoi(arg);
2065 av_log_level = atoi(arg);
2066 }
2067
2068 static void opt_frame_rate(const char *arg)
2069 {
2070 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2071 fprintf(stderr, "Incorrect frame rate\n");
2072 exit(1);
2073 }
2074 }
2075
2076 static void opt_frame_crop_top(const char *arg)
2077 {
2078 frame_topBand = atoi(arg);
2079 if (frame_topBand < 0) {
2080 fprintf(stderr, "Incorrect top crop size\n");
2081 exit(1);
2082 }
2083 if ((frame_topBand % 2) != 0) {
2084 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2085 exit(1);
2086 }
2087 if ((frame_topBand) >= frame_height){
2088 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2089 exit(1);
2090 }
2091 frame_height -= frame_topBand;
2092 }
2093
2094 static void opt_frame_crop_bottom(const char *arg)
2095 {
2096 frame_bottomBand = atoi(arg);
2097 if (frame_bottomBand < 0) {
2098 fprintf(stderr, "Incorrect bottom crop size\n");
2099 exit(1);
2100 }
2101 if ((frame_bottomBand % 2) != 0) {
2102 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2103 exit(1);
2104 }
2105 if ((frame_bottomBand) >= frame_height){
2106 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2107 exit(1);
2108 }
2109 frame_height -= frame_bottomBand;
2110 }
2111
2112 static void opt_frame_crop_left(const char *arg)
2113 {
2114 frame_leftBand = atoi(arg);
2115 if (frame_leftBand < 0) {
2116 fprintf(stderr, "Incorrect left crop size\n");
2117 exit(1);
2118 }
2119 if ((frame_leftBand % 2) != 0) {
2120 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2121 exit(1);
2122 }
2123 if ((frame_leftBand) >= frame_width){
2124 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2125 exit(1);
2126 }
2127 frame_width -= frame_leftBand;
2128 }
2129
2130 static void opt_frame_crop_right(const char *arg)
2131 {
2132 frame_rightBand = atoi(arg);
2133 if (frame_rightBand < 0) {
2134 fprintf(stderr, "Incorrect right crop size\n");
2135 exit(1);
2136 }
2137 if ((frame_rightBand % 2) != 0) {
2138 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2139 exit(1);
2140 }
2141 if ((frame_rightBand) >= frame_width){
2142 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2143 exit(1);
2144 }
2145 frame_width -= frame_rightBand;
2146 }
2147
2148 static void opt_frame_size(const char *arg)
2149 {
2150 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2151 fprintf(stderr, "Incorrect frame size\n");
2152 exit(1);
2153 }
2154 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2155 fprintf(stderr, "Frame size must be a multiple of 2\n");
2156 exit(1);
2157 }
2158 }
2159
2160
2161 #define SCALEBITS 10
2162 #define ONE_HALF (1 << (SCALEBITS - 1))
2163 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2164
2165 #define RGB_TO_Y(r, g, b) \
2166 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2167 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2168
2169 #define RGB_TO_U(r1, g1, b1, shift)\
2170 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2171 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2172
2173 #define RGB_TO_V(r1, g1, b1, shift)\
2174 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2175 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2176
2177 static void opt_pad_color(const char *arg) {
2178 /* Input is expected to be six hex digits similar to
2179 how colors are expressed in html tags (but without the #) */
2180 int rgb = strtol(arg, NULL, 16);
2181 int r,g,b;
2182
2183 r = (rgb >> 16);
2184 g = ((rgb >> 8) & 255);
2185 b = (rgb & 255);
2186
2187 padcolor[0] = RGB_TO_Y(r,g,b);
2188 padcolor[1] = RGB_TO_U(r,g,b,0);
2189 padcolor[2] = RGB_TO_V(r,g,b,0);
2190 }
2191
2192 static void opt_frame_pad_top(const char *arg)
2193 {
2194 frame_padtop = atoi(arg);
2195 if (frame_padtop < 0) {
2196 fprintf(stderr, "Incorrect top pad size\n");
2197 exit(1);
2198 }
2199 if ((frame_padtop % 2) != 0) {
2200 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2201 exit(1);
2202 }
2203 }
2204
2205 static void opt_frame_pad_bottom(const char *arg)
2206 {
2207 frame_padbottom = atoi(arg);
2208 if (frame_padbottom < 0) {
2209 fprintf(stderr, "Incorrect bottom pad size\n");
2210 exit(1);
2211 }
2212 if ((frame_padbottom % 2) != 0) {
2213 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2214 exit(1);
2215 }
2216 }
2217
2218
2219 static void opt_frame_pad_left(const char *arg)
2220 {
2221 frame_padleft = atoi(arg);
2222 if (frame_padleft < 0) {
2223 fprintf(stderr, "Incorrect left pad size\n");
2224 exit(1);
2225 }
2226 if ((frame_padleft % 2) != 0) {
2227 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2228 exit(1);
2229 }
2230 }
2231
2232
2233 static void opt_frame_pad_right(const char *arg)
2234 {
2235 frame_padright = atoi(arg);
2236 if (frame_padright < 0) {
2237 fprintf(stderr, "Incorrect right pad size\n");
2238 exit(1);
2239 }
2240 if ((frame_padright % 2) != 0) {
2241 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2242 exit(1);
2243 }
2244 }
2245
2246
2247 static void opt_frame_pix_fmt(const char *arg)
2248 {
2249 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2250 }
2251
2252 static void opt_frame_aspect_ratio(const char *arg)
2253 {
2254 int x = 0, y = 0;
2255 double ar = 0;
2256 const char *p;
2257
2258 p = strchr(arg, ':');
2259 if (p) {
2260 x = strtol(arg, (char **)&arg, 10);
2261 if (arg == p)
2262 y = strtol(arg+1, (char **)&arg, 10);
2263 if (x > 0 && y > 0)
2264 ar = (double)x / (double)y;
2265 } else
2266 ar = strtod(arg, (char **)&arg);
2267
2268 if (!ar) {
2269 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2270 exit(1);
2271 }
2272 frame_aspect_ratio = ar;
2273 }
2274
2275 static void opt_qscale(const char *arg)
2276 {
2277 video_qscale = atof(arg);
2278 if (video_qscale <= 0 ||
2279 video_qscale > 255) {
2280 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2281 exit(1);
2282 }
2283 }
2284
2285 static void opt_qdiff(const char *arg)
2286 {
2287 video_qdiff = atoi(arg);
2288 if (video_qdiff < 0 ||
2289 video_qdiff > 31) {
2290 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2291 exit(1);
2292 }
2293 }
2294
2295 static void opt_strict(const char *arg)
2296 {
2297 strict= atoi(arg);
2298 }
2299
2300 static void opt_top_field_first(const char *arg)
2301 {
2302 top_field_first= atoi(arg);
2303 }
2304
2305 static void opt_thread_count(const char *arg)
2306 {
2307 thread_count= atoi(arg);
2308 #if !defined(HAVE_THREADS)
2309 if (verbose >= 0)
2310 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2311 #endif
2312 }
2313
2314 static void opt_audio_rate(const char *arg)
2315 {
2316 audio_sample_rate = atoi(arg);
2317 }
2318
2319 static void opt_audio_channels(const char *arg)
2320 {
2321 audio_channels = atoi(arg);
2322 }
2323
2324 static void opt_video_channel(const char *arg)
2325 {
2326 video_channel = strtol(arg, NULL, 0);
2327 }
2328
2329 static void opt_video_standard(const char *arg)
2330 {
2331 video_standard = av_strdup(arg);
2332 }
2333
2334 static void opt_codec(int *pstream_copy, int *pcodec_id,
2335 int codec_type, const char *arg)
2336 {
2337 AVCodec *p;
2338
2339 if (!strcmp(arg, "copy")) {
2340 *pstream_copy = 1;
2341 } else {
2342 p = first_avcodec;
2343 while (p) {
2344 if (!strcmp(p->name, arg) && p->type == codec_type)
2345 break;
2346 p = p->next;
2347 }
2348 if (p == NULL) {
2349 fprintf(stderr, "Unknown codec '%s'\n", arg);
2350 exit(1);
2351 } else {
2352 *pcodec_id = p->id;
2353 }
2354 }
2355 }
2356
2357 static void opt_audio_codec(const char *arg)
2358 {
2359 opt_codec(&audio_stream_copy, &audio_codec_id, CODEC_TYPE_AUDIO, arg);
2360 }
2361
2362 static void opt_audio_tag(const char *arg)
2363 {
2364 char *tail;
2365 audio_codec_tag= strtol(arg, &tail, 0);
2366
2367 if(!tail || *tail)
2368 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2369 }
2370
2371 static void opt_video_tag(const char *arg)
2372 {
2373 char *tail;
2374 video_codec_tag= strtol(arg, &tail, 0);
2375
2376 if(!tail || *tail)
2377 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2378 }
2379
2380 static void add_frame_hooker(const char *arg)
2381 {
2382 int argc = 0;
2383 char *argv[64];
2384 int i;
2385 char *args = av_strdup(arg);
2386
2387 using_vhook = 1;
2388
2389 argv[0] = strtok(args, " ");
2390 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2391 }
2392
2393 i = frame_hook_add(argc, argv);
2394
2395 if (i != 0) {
2396 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2397 exit(1);
2398 }
2399 }
2400
2401 const char *motion_str[] = {
2402 "zero",
2403 "full",
2404 "log",
2405 "phods",
2406 "epzs",
2407 "x1",
2408 "hex",
2409 "umh",
2410 "iter",
2411 NULL,
2412 };
2413
2414 static void opt_motion_estimation(const char *arg)
2415 {
2416 const char **p;
2417 p = motion_str;
2418 for(;;) {
2419 if (!*p) {
2420 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2421 exit(1);
2422 }
2423 if (!strcmp(*p, arg))
2424 break;
2425 p++;
2426 }
2427 me_method = (p - motion_str) + 1;
2428 }
2429
2430 static void opt_video_codec(const char *arg)
2431 {
2432 opt_codec(&video_stream_copy, &video_codec_id, CODEC_TYPE_VIDEO, arg);
2433 }
2434
2435 static void opt_subtitle_codec(const char *arg)
2436 {
2437 opt_codec(&subtitle_stream_copy, &subtitle_codec_id, CODEC_TYPE_SUBTITLE, arg);
2438 }
2439
2440 static void opt_map(const char *arg)
2441 {
2442 AVStreamMap *m;
2443 const char *p;
2444
2445 p = arg;
2446 m = &stream_maps[nb_stream_maps++];
2447
2448 m->file_index = strtol(arg, (char **)&p, 0);
2449 if (*p)
2450 p++;
2451
2452 m->stream_index = strtol(p, (char **)&p, 0);
2453 if (*p) {
2454 p++;
2455 m->sync_file_index = strtol(p, (char **)&p, 0);
2456 if (*p)
2457 p++;
2458 m->sync_stream_index = strtol(p, (char **)&p, 0);
2459 } else {
2460 m->sync_file_index = m->file_index;
2461 m->sync_stream_index = m->stream_index;
2462 }
2463 }
2464
2465 static void opt_map_meta_data(const char *arg)
2466 {
2467 AVMetaDataMap *m;
2468 const char *p;
2469
2470 p = arg;
2471 m = &meta_data_maps[nb_meta_data_maps++];
2472
2473 m->out_file = strtol(arg, (char **)&p, 0);
2474 if (*p)
2475 p++;
2476
2477 m->in_file = strtol(p, (char **)&p, 0);
2478 }
2479
2480 static void opt_recording_time(const char *arg)
2481 {
2482 recording_time = parse_date(arg, 1);
2483 }
2484
2485 static void opt_start_time(const char *arg)
2486 {
2487 start_time = parse_date(arg, 1);
2488 }
2489
2490 static void opt_rec_timestamp(const char *arg)
2491 {
2492 rec_timestamp = parse_date(arg, 0) / 1000000;
2493 }
2494
2495 static void opt_input_ts_offset(const char *arg)
2496 {
2497 input_ts_offset = parse_date(arg, 1);
2498 }
2499
2500 static void opt_input_file(const char *filename)
2501 {
2502 AVFormatContext *ic;
2503 AVFormatParameters params, *ap = &params;
2504 int err, i, ret, rfps, rfps_base;
2505 int64_t timestamp;
2506
2507 if (!strcmp(filename, "-"))
2508 filename = "pipe:";
2509
2510 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2511 !strcmp( filename, "/dev/stdin" );
2512
2513 /* get default parameters from command line */
2514 ic = av_alloc_format_context();
2515
2516 memset(ap, 0, sizeof(*ap));
2517 ap->prealloced_context = 1;
2518 ap->sample_rate = audio_sample_rate;
2519 ap->channels = audio_channels;
2520 ap->time_base.den = frame_rate;
2521 ap->time_base.num = frame_rate_base;
2522 ap->width = frame_width + frame_padleft + frame_padright;
2523 ap->height = frame_height + frame_padtop + frame_padbottom;
2524 ap->pix_fmt = frame_pix_fmt;
2525 ap->channel = video_channel;
2526 ap->standard = video_standard;
2527 ap->video_codec_id = video_codec_id;
2528 ap->audio_codec_id = audio_codec_id;
2529 if(pgmyuv_compatibility_hack)
2530 ap->video_codec_id= CODEC_ID_PGMYUV;
2531
2532 for(i=0; i<opt_name_count; i++){
2533 const AVOption *opt;
2534 double d= av_get_double(avformat_opts, opt_names[i], &opt);
2535 if(d==d && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2536 av_set_double(ic, opt_names[i], d);
2537 }
2538 /* open the input file with generic libav function */
2539 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2540 if (err < 0) {
2541 print_error(filename, err);
2542 exit(1);
2543 }
2544
2545 ic->loop_input = loop_input;
2546
2547 /* If not enough info to get the stream parameters, we decode the
2548 first frames to get it. (used in mpeg case for example) */
2549 ret = av_find_stream_info(ic);
2550 if (ret < 0 && verbose >= 0) {
2551 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2552 exit(1);
2553 }
2554
2555 timestamp = start_time;
2556 /* add the stream start time */
2557 if (ic->start_time != AV_NOPTS_VALUE)
2558 timestamp += ic->start_time;
2559
2560 /* if seeking requested, we execute it */
2561 if (start_time != 0) {
2562 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2563 if (ret < 0) {
2564 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2565 filename, (double)timestamp / AV_TIME_BASE);
2566 }
2567 /* reset seek info */
2568 start_time = 0;
2569 }
2570
2571 /* update the current parameters so that they match the one of the input stream */
2572 for(i=0;i<ic->nb_streams;i++) {
2573 int j;
2574 AVCodecContext *enc = ic->streams[i]->codec;
2575 if(thread_count>1)
2576 avcodec_thread_init(enc, thread_count);
2577 enc->thread_count= thread_count;
2578 switch(enc->codec_type) {
2579 case CODEC_TYPE_AUDIO:
2580 for(j=0; j<opt_name_count; j++){
2581 const AVOption *opt;
2582 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt);
2583 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2584 av_set_double(enc, opt_names[j], d);
2585 }
2586 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2587 audio_channels = enc->channels;
2588 audio_sample_rate = enc->sample_rate;
2589 if(audio_disable)
2590 ic->streams[i]->discard= AVDISCARD_ALL;
2591 break;
2592 case CODEC_TYPE_VIDEO:
2593 for(j=0; j<opt_name_count; j++){
2594 const AVOption *opt;
2595 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt);
2596 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2597 av_set_double(enc, opt_names[j], d);
2598 }
2599 frame_height = enc->height;
2600 frame_width = enc->width;
2601 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2602 frame_pix_fmt = enc->pix_fmt;
2603 rfps = ic->streams[i]->r_frame_rate.num;
2604 rfps_base = ic->streams[i]->r_frame_rate.den;
2605 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2606 if(me_threshold)
2607 enc->debug |= FF_DEBUG_MV;
2608
2609 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2610
2611 if (verbose >= 0)
2612 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2613 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2614
2615 (float)rfps / rfps_base, rfps, rfps_base);
2616 }
2617 /* update the current frame rate to match the stream frame rate */
2618 frame_rate = rfps;
2619 frame_rate_base = rfps_base;
2620
2621 enc->rate_emu = rate_emu;
2622 if(video_disable)
2623 ic->streams[i]->discard= AVDISCARD_ALL;
2624 else if(video_discard)
2625 ic->streams[i]->discard= video_discard;
2626 break;
2627 case CODEC_TYPE_DATA:
2628 break;
2629 case CODEC_TYPE_SUBTITLE:
2630 break;
2631 case CODEC_TYPE_UNKNOWN:
2632 break;
2633 default:
2634 av_abort();
2635 }
2636 }
2637
2638 input_files[nb_input_files] = ic;
2639 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2640 /* dump the file content */
2641 if (verbose >= 0)
2642 dump_format(ic, nb_input_files, filename, 0);
2643
2644 nb_input_files++;
2645 file_iformat = NULL;
2646 file_oformat = NULL;
2647
2648 video_channel = 0;
2649
2650 rate_emu = 0;
2651 }
2652
2653 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2654 {
2655 int has_video, has_audio, i, j;
2656 AVFormatContext *ic;
2657
2658 has_video = 0;
2659 has_audio = 0;
2660 for(j=0;j<nb_input_files;j++) {
2661 ic = input_files[j];
2662 for(i=0;i<ic->nb_streams;i++) {
2663 AVCodecContext *enc = ic->streams[i]->codec;
2664 switch(enc->codec_type) {
2665 case CODEC_TYPE_AUDIO:
2666 has_audio = 1;
2667 break;
2668 case CODEC_TYPE_VIDEO:
2669 has_video = 1;
2670 break;
2671 case CODEC_TYPE_DATA:
2672 case CODEC_TYPE_UNKNOWN:
2673 case CODEC_TYPE_SUBTITLE:
2674 break;
2675 default:
2676 av_abort();
2677 }
2678 }
2679 }
2680 *has_video_ptr = has_video;
2681 *has_audio_ptr = has_audio;
2682 }
2683
2684 static void new_video_stream(AVFormatContext *oc)
2685 {
2686 AVStream *st;
2687 AVCodecContext *video_enc;
2688 int codec_id;
2689
2690 st = av_new_stream(oc, oc->nb_streams);
2691 if (!st) {
2692 fprintf(stderr, "Could not alloc stream\n");
2693 exit(1);
2694 }
2695 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2696 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2697 video_bitstream_filters= NULL;
2698
2699 if(thread_count>1)
2700 avcodec_thread_init(st->codec, thread_count);
2701
2702 video_enc = st->codec;
2703
2704 if(video_codec_tag)
2705 video_enc->codec_tag= video_codec_tag;
2706
2707 if( (video_global_header&1)
2708 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2709 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2710 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2711 }
2712 if(video_global_header&2){
2713 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2714 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2715 }
2716
2717 if (video_stream_copy) {
2718 st->stream_copy = 1;
2719 video_enc->codec_type = CODEC_TYPE_VIDEO;
2720 } else {
2721 char *p;
2722 int i;
2723 AVCodec *codec;
2724
2725 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2726 if (video_codec_id != CODEC_ID_NONE)
2727 codec_id = video_codec_id;
2728
2729 video_enc->codec_id = codec_id;
2730 codec = avcodec_find_encoder(codec_id);
2731
2732 for(i=0; i<opt_name_count; i++){
2733 const AVOption *opt;
2734 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt);
2735 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2736 av_set_double(video_enc, opt_names[i], d);
2737 }
2738
2739 video_enc->time_base.den = frame_rate;
2740 video_enc->time_base.num = frame_rate_base;
2741 if(codec && codec->supported_framerates){
2742 const AVRational *p= codec->supported_framerates;
2743 AVRational req= (AVRational){frame_rate, frame_rate_base};
2744 const AVRational *best=NULL;
2745 AVRational best_error= (AVRational){INT_MAX, 1};
2746 for(; p->den!=0; p++){
2747 AVRational error= av_sub_q(req, *p);
2748 if(error.num <0) error.num *= -1;
2749 if(av_cmp_q(error, best_error) < 0){
2750 best_error= error;
2751 best= p;
2752 }
2753 }
2754 video_enc->time_base.den= best->num;
2755 video_enc->time_base.num= best->den;
2756 }
2757
2758 video_enc->width = frame_width + frame_padright + frame_padleft;
2759 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2760 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2761 video_enc->pix_fmt = frame_pix_fmt;
2762
2763 if(codec && codec->pix_fmts){
2764 const enum PixelFormat *p= codec->pix_fmts;
2765 for(; *p!=-1; p++){
2766 if(*p == video_enc->pix_fmt)
2767 break;
2768 }
2769 if(*p == -1)
2770 video_enc->pix_fmt = codec->pix_fmts[0];
2771 }
2772
2773 if (intra_only)
2774 video_enc->gop_size = 0;
2775 if (video_qscale || same_quality) {
2776 video_enc->flags |= CODEC_FLAG_QSCALE;
2777 video_enc->global_quality=
2778 st->quality = FF_QP2LAMBDA * video_qscale;
2779 }
2780
2781 if(intra_matrix)
2782 video_enc->intra_matrix = intra_matrix;
2783 if(inter_matrix)
2784 video_enc->inter_matrix = inter_matrix;
2785
2786 video_enc->max_qdiff = video_qdiff;
2787 video_enc->rc_eq = video_rc_eq;
2788 video_enc->thread_count = thread_count;
2789 p= video_rc_override_string;
2790 for(i=0; p; i++){
2791 int start, end, q;
2792 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2793 if(e!=3){
2794 fprintf(stderr, "error parsing rc_override\n");
2795 exit(1);
2796 }
2797 video_enc->rc_override=
2798 av_realloc(video_enc->rc_override,
2799 sizeof(RcOverride)*(i+1));
2800 video_enc->rc_override[i].start_frame= start;
2801 video_enc->rc_override[i].end_frame = end;
2802 if(q>0){
2803 video_enc->rc_override[i].qscale= q;
2804 video_enc->rc_override[i].quality_factor= 1.0;
2805 }
2806 else{
2807 video_enc->rc_override[i].qscale= 0;
2808 video_enc->rc_override[i].quality_factor= -q/100.0;
2809 }
2810 p= strchr(p, '/');
2811 if(p) p++;
2812 }
2813 video_enc->rc_override_count=i;
2814 if (!video_enc->rc_initial_buffer_occupancy)
2815 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2816 video_enc->me_threshold= me_threshold;
2817 video_enc->intra_dc_precision= intra_dc_precision - 8;
2818 video_enc->strict_std_compliance = strict;
2819
2820 if (do_psnr)
2821 video_enc->flags|= CODEC_FLAG_PSNR;
2822
2823 video_enc->me_method = me_method;
2824
2825 /* two pass mode */
2826 if (do_pass) {
2827 if (do_pass == 1) {
2828 video_enc->flags |= CODEC_FLAG_PASS1;
2829 } else {
2830 video_enc->flags |= CODEC_FLAG_PASS2;
2831 }
2832 }
2833 }
2834
2835 /* reset some key parameters */
2836 video_disable = 0;
2837 video_codec_id = CODEC_ID_NONE;
2838 video_stream_copy = 0;
2839 }
2840
2841 static void new_audio_stream(AVFormatContext *oc)
2842 {
2843 AVStream *st;
2844 AVCodecContext *audio_enc;
2845 int codec_id, i;
2846
2847 st = av_new_stream(oc, oc->nb_streams);
2848 if (!st) {
2849 fprintf(stderr, "Could not alloc stream\n");
2850 exit(1);
2851 }
2852 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
2853
2854 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
2855 audio_bitstream_filters= NULL;
2856
2857 if(thread_count>1)
2858 avcodec_thread_init(st->codec, thread_count);
2859
2860 audio_enc = st->codec;
2861 audio_enc->codec_type = CODEC_TYPE_AUDIO;
2862 audio_enc->strict_std_compliance = strict;
2863
2864 if(audio_codec_tag)
2865 audio_enc->codec_tag= audio_codec_tag;
2866
2867 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
2868 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2869 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2870 }
2871 if (audio_stream_copy) {
2872 st->stream_copy = 1;
2873 audio_enc->channels = audio_channels;
2874 } else {
2875 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
2876
2877 for(i=0; i<opt_name_count; i++){
2878 const AVOption *opt;
2879 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt);
2880 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2881 av_set_double(audio_enc, opt_names[i], d);
2882 }
2883
2884 if (audio_codec_id != CODEC_ID_NONE)
2885 codec_id = audio_codec_id;
2886 audio_enc->codec_id = codec_id;
2887
2888 if (audio_qscale > QSCALE_NONE) {
2889 audio_enc->flags |= CODEC_FLAG_QSCALE;
2890 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
2891 }
2892 audio_enc->thread_count = thread_count;
2893 audio_enc->channels = audio_channels;
2894 }
2895 audio_enc->sample_rate = audio_sample_rate;
2896 audio_enc->time_base= (AVRational){1, audio_sample_rate};
2897 if (audio_language) {
2898 pstrcpy(st->language, sizeof(st->language), audio_language);
2899 av_free(audio_language);
2900 audio_language = NULL;
2901 }
2902
2903 /* reset some key parameters */
2904 audio_disable = 0;
2905 audio_codec_id = CODEC_ID_NONE;
2906 audio_stream_copy = 0;
2907 }
2908
2909 static void opt_new_subtitle_stream(void)
2910 {
2911 AVFormatContext *oc;
2912 AVStream *st;
2913 AVCodecContext *subtitle_enc;
2914 int i;
2915
2916 if (nb_output_files <= 0) {
2917 fprintf(stderr, "At least one output file must be specified\n");
2918 exit(1);
2919 }
2920 oc = output_files[nb_output_files - 1];
2921
2922 st = av_new_stream(oc, oc->nb_streams);
2923 if (!st) {
2924 fprintf(stderr, "Could not alloc stream\n");
2925 exit(1);
2926 }
2927 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
2928
2929 subtitle_enc = st->codec;
2930 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
2931 if (subtitle_stream_copy) {
2932 st->stream_copy = 1;
2933 } else {
2934 for(i=0; i<opt_name_count; i++){
2935 const AVOption *opt;
2936 double d= av_get_double(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt);
2937 if(d==d && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2938 av_set_double(subtitle_enc, opt_names[i], d);
2939 }
2940 subtitle_enc->codec_id = subtitle_codec_id;
2941 }
2942
2943 if (subtitle_language) {
2944 pstrcpy(st->language, sizeof(st->language), subtitle_language);
2945 av_free(subtitle_language);
2946 subtitle_language = NULL;
2947 }
2948
2949 subtitle_codec_id = CODEC_ID_NONE;
2950 subtitle_stream_copy = 0;
2951 }
2952
2953 static void opt_new_audio_stream(void)
2954 {
2955 AVFormatContext *oc;
2956 if (nb_output_files <= 0) {
2957 fprintf(stderr, "At least one output file must be specified\n");
2958 exit(1);
2959 }
2960 oc = output_files[nb_output_files - 1];
2961 new_audio_stream(oc);
2962 }
2963
2964 static void opt_new_video_stream(void)
2965 {
2966 AVFormatContext *oc;
2967 if (nb_output_files <= 0) {
2968 fprintf(stderr, "At least one output file must be specified\n");
2969 exit(1);
2970 }
2971 oc = output_files[nb_output_files - 1];
2972 new_video_stream(oc);
2973 }
2974
2975 static void opt_output_file(const char *filename)
2976 {
2977 AVFormatContext *oc;
2978 int use_video, use_audio, input_has_video, input_has_audio, i;
2979 AVFormatParameters params, *ap = &params;
2980
2981 if (!strcmp(filename, "-"))
2982 filename = "pipe:";
2983
2984 oc = av_alloc_format_context();
2985
2986 if (!file_oformat) {
2987 file_oformat = guess_format(NULL, filename, NULL);
2988 if (!file_oformat) {
2989 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
2990 filename);
2991 exit(1);
2992 }
2993 }
2994
2995 oc->oformat = file_oformat;
2996 pstrcpy(oc->filename, sizeof(oc->filename), filename);
2997
2998 if (!strcmp(file_oformat->name, "ffm") &&
2999 strstart(filename, "http:", NULL)) {
3000 /* special case for files sent to ffserver: we get the stream
3001 parameters from ffserver */
3002 if (read_ffserver_streams(oc, filename) < 0) {
3003 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3004 exit(1);
3005 }
3006 } else {
3007 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_id != CODEC_ID_NONE;
3008 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_id != CODEC_ID_NONE;
3009
3010 /* disable if no corresponding type found and at least one
3011 input file */
3012 if (nb_input_files > 0) {
3013 check_audio_video_inputs(&input_has_video, &input_has_audio);
3014 if (!input_has_video)
3015 use_video = 0;
3016 if (!input_has_audio)
3017 use_audio = 0;
3018 }
3019
3020 /* manual disable */
3021 if (audio_disable) {
3022 use_audio = 0;
3023 }
3024 if (video_disable) {
3025 use_video = 0;
3026 }
3027
3028 if (use_video) {
3029 new_video_stream(oc);
3030 }
3031
3032 if (use_audio) {
3033 new_audio_stream(oc);
3034 }
3035
3036 oc->timestamp = rec_timestamp;
3037
3038 if (str_title)
3039 pstrcpy(oc->title, sizeof(oc->title), str_title);
3040 if (str_author)
3041 pstrcpy(oc->author, sizeof(oc->author), str_author);
3042 if (str_copyright)
3043 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
3044 if (str_comment)
3045 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
3046 if (str_album)
3047 pstrcpy(oc->album, sizeof(oc->album), str_album);
3048 }
3049
3050 output_files[nb_output_files++] = oc;
3051
3052 /* check filename in case of an image number is expected */
3053 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3054 if (!av_filename_number_test(oc->filename)) {
3055 print_error(oc->filename, AVERROR_NUMEXPECTED);
3056 exit(1);
3057 }
3058 }
3059
3060 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3061 /* test if it already exists to avoid loosing precious files */
3062 if (!file_overwrite &&
3063 (strchr(filename, ':') == NULL ||
3064 strstart(filename, "file:", NULL))) {
3065 if (url_exist(filename)) {
3066 int c;
3067
3068 if ( !using_stdin ) {
3069 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3070 fflush(stderr);
3071 c = getchar();
3072 if (toupper(c) != 'Y') {
3073 fprintf(stderr, "Not overwriting - exiting\n");
3074 exit(1);
3075 }
3076 }
3077 else {
3078 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3079 exit(1);
3080 }
3081 }
3082 }
3083
3084 /* open the file */
3085 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3086 fprintf(stderr, "Could not open '%s'\n", filename);
3087 exit(1);
3088 }
3089 }
3090
3091 memset(ap, 0, sizeof(*ap));
3092 if (av_set_parameters(oc, ap) < 0) {
3093 fprintf(stderr, "%s: Invalid encoding parameters\n",
3094 oc->filename);
3095 exit(1);
3096 }
3097
3098 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3099 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3100 oc->loop_output = loop_output;
3101
3102 for(i=0; i<opt_name_count; i++){
3103 const AVOption *opt;
3104 double d = av_get_double(avformat_opts, opt_names[i], &opt);
3105 if(d==d && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3106 av_set_double(oc, opt_names[i], d);
3107 }
3108
3109 /* reset some options */
3110 file_oformat = NULL;
3111 file_iformat = NULL;
3112 }
3113
3114 /* same option as mencoder */
3115 static void opt_pass(const char *pass_str)
3116 {
3117 int pass;
3118 pass = atoi(pass_str);
3119 if (pass != 1 && pass != 2) {
3120 fprintf(stderr, "pass number can be only 1 or 2\n");
3121 exit(1);
3122 }
3123 do_pass = pass;
3124 }
3125
3126 #if defined(__MINGW32__) || defined(CONFIG_OS2)
3127 static int64_t getutime(void)
3128 {
3129 return av_gettime();
3130 }
3131 #else
3132 static int64_t getutime(void)
3133 {
3134 struct rusage rusage;
3135
3136 getrusage(RUSAGE_SELF, &rusage);
3137 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3138 }
3139 #endif
3140
3141 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3142 extern int ffm_nopts;
3143 #endif
3144
3145 static void show_formats(void)
3146 {
3147 AVInputFormat *ifmt;
3148 AVOutputFormat *ofmt;
3149 URLProtocol *up;
3150 AVCodec *p, *p2;
3151 const char **pp, *last_name;
3152
3153 printf("File formats:\n");
3154 last_name= "000";
3155 for(;;){
3156 int decode=0;
3157 int encode=0;
3158 const char *name=NULL;
3159 const char *long_name=NULL;
3160
3161 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3162 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3163 strcmp(ofmt->name, last_name)>0){
3164 name= ofmt->name;
3165 long_name= ofmt->long_name;
3166 encode=1;
3167 }
3168 }
3169 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3170 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3171 strcmp(ifmt->name, last_name)>0){
3172 name= ifmt->name;
3173 long_name= ifmt->long_name;
3174 encode=0;
3175 }
3176 if(name && strcmp(ifmt->name, name)==0)
3177 decode=1;
3178 }
3179 if(name==NULL)
3180 break;
3181 last_name= name;
3182
3183 printf(
3184 " %s%s %-15s %s\n",
3185 decode ? "D":" ",
3186 encode ? "E":" ",
3187 name,
3188 long_name ? long_name:" ");
3189 }
3190 printf("\n");
3191
3192 printf("Codecs:\n");
3193 last_name= "000";
3194 for(;;){
3195 int decode=0;
3196 int encode=0;
3197 int cap=0;
3198 const char *type_str;
3199
3200 p2=NULL;
3201 for(p = first_avcodec; p != NULL; p = p->next) {
3202 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3203 strcmp(p->name, last_name)>0){
3204 p2= p;
3205 decode= encode= cap=0;
3206 }
3207 if(p2 && strcmp(p->name, p2->name)==0){
3208 if(p->decode) decode=1;
3209 if(p->encode) encode=1;
3210 cap |= p->capabilities;
3211 }
3212 }
3213 if(p2==NULL)
3214 break;
3215 last_name= p2->name;
3216
3217 switch(p2->type) {
3218 case CODEC_TYPE_VIDEO:
3219 type_str = "V";
3220 break;
3221 case CODEC_TYPE_AUDIO:
3222 type_str = "A";
3223 break;
3224 case CODEC_TYPE_SUBTITLE:
3225 type_str = "S";
3226 break;
3227 default:
3228 type_str = "?";
3229 break;
3230 }
3231 printf(
3232 " %s%s%s%s%s%s %s",
3233 decode ? "D": (/*p2->decoder ? "d":*/" "),
3234 encode ? "E":" ",
3235 type_str,
3236 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3237 cap & CODEC_CAP_DR1 ? "D":" ",
3238 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3239 p2->name);
3240 /* if(p2->decoder && decode==0)
3241 printf(" use %s for decoding", p2->decoder->name);*/
3242 printf("\n");
3243 }
3244 printf("\n");
3245
3246 printf("Supported file protocols:\n");
3247 for(up = first_protocol; up != NULL; up = up->next)
3248 printf(" %s:", up->name);
3249 printf("\n");