changes some function declarations from () to (void) as per ansi c.
[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 uint64_t 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 1000000 * ist->pts / AV_TIME_BASE);
606
607 if (picture != picture2)
608 *picture = *picture2;
609 *bufp = buf;
610 }
611
612 /* we begin to correct av delay at this threshold */
613 #define AV_DELAY_MAX 0.100
614
615 static void do_subtitle_out(AVFormatContext *s,
616 AVOutputStream *ost,
617 AVInputStream *ist,
618 AVSubtitle *sub,
619 int64_t pts)
620 {
621 static uint8_t *subtitle_out = NULL;
622 int subtitle_out_max_size = 65536;
623 int subtitle_out_size, nb, i;
624 AVCodecContext *enc;
625 AVPacket pkt;
626
627 if (pts == AV_NOPTS_VALUE) {
628 fprintf(stderr, "Subtitle packets must have a pts\n");
629 return;
630 }
631
632 enc = ost->st->codec;
633
634 if (!subtitle_out) {
635 subtitle_out = av_malloc(subtitle_out_max_size);
636 }
637
638 /* Note: DVB subtitle need one packet to draw them and one other
639 packet to clear them */
640 /* XXX: signal it in the codec context ? */
641 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
642 nb = 2;
643 else
644 nb = 1;
645
646 for(i = 0; i < nb; i++) {
647 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
648 subtitle_out_max_size, sub);
649
650 av_init_packet(&pkt);
651 pkt.stream_index = ost->index;
652 pkt.data = subtitle_out;
653 pkt.size = subtitle_out_size;
654 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);
655 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
656 /* XXX: the pts correction is handled here. Maybe handling
657 it in the codec would be better */
658 if (i == 0)
659 pkt.pts += 90 * sub->start_display_time;
660 else
661 pkt.pts += 90 * sub->end_display_time;
662 }
663 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
664 }
665 }
666
667 static int bit_buffer_size= 1024*256;
668 static uint8_t *bit_buffer= NULL;
669
670 static void do_video_out(AVFormatContext *s,
671 AVOutputStream *ost,
672 AVInputStream *ist,
673 AVFrame *in_picture,
674 int *frame_size)
675 {
676 int nb_frames, i, ret;
677 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
678 AVFrame picture_crop_temp, picture_pad_temp;
679 AVCodecContext *enc, *dec;
680
681 avcodec_get_frame_defaults(&picture_crop_temp);
682 avcodec_get_frame_defaults(&picture_pad_temp);
683
684 enc = ost->st->codec;
685 dec = ist->st->codec;
686
687 /* by default, we output a single frame */
688 nb_frames = 1;
689
690 *frame_size = 0;
691
692 if(video_sync_method){
693 double vdelta;
694 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
695 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
696 if (vdelta < -1.1)
697 nb_frames = 0;
698 else if (vdelta > 1.1)
699 nb_frames = lrintf(vdelta);
700 //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);
701 if (nb_frames == 0){
702 ++nb_frames_drop;
703 if (verbose>2)
704 fprintf(stderr, "*** drop!\n");
705 }else if (nb_frames > 1) {
706 nb_frames_dup += nb_frames;
707 if (verbose>2)
708 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
709 }
710 }else
711 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
712
713 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
714 if (nb_frames <= 0)
715 return;
716
717 if (ost->video_crop) {
718 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
719 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
720 return;
721 }
722 formatted_picture = &picture_crop_temp;
723 } else {
724 formatted_picture = in_picture;
725 }
726
727 final_picture = formatted_picture;
728 padding_src = formatted_picture;
729 resampling_dst = &ost->pict_tmp;
730 if (ost->video_pad) {
731 final_picture = &ost->pict_tmp;
732 if (ost->video_resample) {
733 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
734 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
735 return;
736 }
737 resampling_dst = &picture_pad_temp;
738 }
739 }
740
741 if (ost->video_resample) {
742 padding_src = NULL;
743 final_picture = &ost->pict_tmp;
744 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
745 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
746 }
747
748 if (ost->video_pad) {
749 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
750 enc->height, enc->width, enc->pix_fmt,
751 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
752 }
753
754 /* duplicates frame if needed */
755 for(i=0;i<nb_frames;i++) {
756 AVPacket pkt;
757 av_init_packet(&pkt);
758 pkt.stream_index= ost->index;
759
760 if (s->oformat->flags & AVFMT_RAWPICTURE) {
761 /* raw pictures are written as AVPicture structure to
762 avoid any copies. We support temorarily the older
763 method. */
764 AVFrame* old_frame = enc->coded_frame;
765 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
766 pkt.data= (uint8_t *)final_picture;
767 pkt.size= sizeof(AVPicture);
768 if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
769 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
770 if(dec->coded_frame && dec->coded_frame->key_frame)
771 pkt.flags |= PKT_FLAG_KEY;
772
773 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
774 enc->coded_frame = old_frame;
775 } else {
776 AVFrame big_picture;
777
778 big_picture= *final_picture;
779 /* better than nothing: use input picture interlaced
780 settings */
781 big_picture.interlaced_frame = in_picture->interlaced_frame;
782 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
783 if(top_field_first == -1)
784 big_picture.top_field_first = in_picture->top_field_first;
785 else
786 big_picture.top_field_first = top_field_first;
787 }
788
789 /* handles sameq here. This is not correct because it may
790 not be a global option */
791 if (same_quality) {
792 big_picture.quality = ist->st->quality;
793 }else
794 big_picture.quality = ost->st->quality;
795 if(!me_threshold)
796 big_picture.pict_type = 0;
797 // big_picture.pts = AV_NOPTS_VALUE;
798 big_picture.pts= ost->sync_opts;
799 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
800 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
801 ret = avcodec_encode_video(enc,
802 bit_buffer, bit_buffer_size,
803 &big_picture);
804 if (ret == -1) {
805 fprintf(stderr, "Video encoding failed\n");
806 exit(1);
807 }
808 //enc->frame_number = enc->real_pict_num;
809 if(ret>0){
810 pkt.data= bit_buffer;
811 pkt.size= ret;
812 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
813 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
814 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
815 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
816 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
817
818 if(enc->coded_frame && enc->coded_frame->key_frame)
819 pkt.flags |= PKT_FLAG_KEY;
820 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
821 *frame_size = ret;
822 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
823 // enc->frame_number-1, enc->real_pict_num, ret,
824 // enc->pict_type);
825 /* if two pass, output log */
826 if (ost->logfile && enc->stats_out) {
827 fprintf(ost->logfile, "%s", enc->stats_out);
828 }
829 }
830 }
831 ost->sync_opts++;
832 ost->frame_number++;
833 }
834 }
835
836 static double psnr(double d){
837 if(d==0) return INFINITY;
838 return -10.0*log(d)/log(10.0);
839 }
840
841 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
842 int frame_size)
843 {
844 static FILE *fvstats=NULL;
845 char filename[40];
846 time_t today2;
847 struct tm *today;
848 AVCodecContext *enc;
849 int frame_number;
850 int64_t ti;
851 double ti1, bitrate, avg_bitrate;
852
853 if (!fvstats) {
854 today2 = time(NULL);
855 today = localtime(&today2);
856 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour,
857 today->tm_min,
858 today->tm_sec);
859 fvstats = fopen(filename,"w");
860 if (!fvstats) {
861 perror("fopen");
862 exit(1);
863 }
864 }
865
866 ti = INT64_MAX;
867 enc = ost->st->codec;
868 if (enc->codec_type == CODEC_TYPE_VIDEO) {
869 frame_number = ost->frame_number;
870 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
871 if (enc->flags&CODEC_FLAG_PSNR)
872 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
873
874 fprintf(fvstats,"f_size= %6d ", frame_size);
875 /* compute pts value */
876 ti1 = ost->sync_opts * av_q2d(enc->time_base);
877 if (ti1 < 0.01)
878 ti1 = 0.01;
879
880 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
881 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
882 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
883 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
884 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
885 }
886 }
887
888 static void print_report(AVFormatContext **output_files,
889 AVOutputStream **ost_table, int nb_ostreams,
890 int is_last_report)
891 {
892 char buf[1024];
893 AVOutputStream *ost;
894 AVFormatContext *oc, *os;
895 int64_t total_size;
896 AVCodecContext *enc;
897 int frame_number, vid, i;
898 double bitrate, ti1, pts;
899 static int64_t last_time = -1;
900 static int qp_histogram[52];
901
902 if (!is_last_report) {
903 int64_t cur_time;
904 /* display the report every 0.5 seconds */
905 cur_time = av_gettime();
906 if (last_time == -1) {
907 last_time = cur_time;
908 return;
909 }
910 if ((cur_time - last_time) < 500000)
911 return;
912 last_time = cur_time;
913 }
914
915
916 oc = output_files[0];
917
918 total_size = url_ftell(&oc->pb);
919
920 buf[0] = '\0';
921 ti1 = 1e10;
922 vid = 0;
923 for(i=0;i<nb_ostreams;i++) {
924 ost = ost_table[i];
925 os = output_files[ost->file_index];
926 enc = ost->st->codec;
927 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
928 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
929 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
930 }
931 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
932 float t = (av_gettime()-timer_start) / 1000000.0;
933
934 frame_number = ost->frame_number;
935 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
936 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
937 enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
938 if(is_last_report)
939 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
940 if(qp_hist && enc->coded_frame){
941 int j;
942 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
943 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
944 qp_histogram[qp]++;
945 for(j=0; j<32; j++)
946 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
947 }
948 if (enc->flags&CODEC_FLAG_PSNR){
949 int j;
950 double error, error_sum=0;
951 double scale, scale_sum=0;
952 char type[3]= {'Y','U','V'};
953 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
954 for(j=0; j<3; j++){
955 if(is_last_report){
956 error= enc->error[j];
957 scale= enc->width*enc->height*255.0*255.0*frame_number;
958 }else{
959 error= enc->coded_frame->error[j];
960 scale= enc->width*enc->height*255.0*255.0;
961 }
962 if(j) scale/=4;
963 error_sum += error;
964 scale_sum += scale;
965 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
966 }
967 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
968 }
969 vid = 1;
970 }
971 /* compute min output value */
972 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
973 if ((pts < ti1) && (pts > 0))
974 ti1 = pts;
975 }
976 if (ti1 < 0.01)
977 ti1 = 0.01;
978
979 if (verbose || is_last_report) {
980 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
981
982 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
983 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
984 (double)total_size / 1024, ti1, bitrate);
985
986 if (verbose > 1)
987 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
988 nb_frames_dup, nb_frames_drop);
989
990 if (verbose >= 0)
991 fprintf(stderr, "%s \r", buf);
992
993 fflush(stderr);
994 }
995
996 if (is_last_report && verbose >= 0){
997 int64_t raw= audio_size + video_size + extra_size;
998 fprintf(stderr, "\n");
999 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1000 video_size/1024.0,
1001 audio_size/1024.0,
1002 extra_size/1024.0,
1003 100.0*(total_size - raw)/raw
1004 );
1005 }
1006 }
1007
1008 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1009 static int output_packet(AVInputStream *ist, int ist_index,
1010 AVOutputStream **ost_table, int nb_ostreams,
1011 const AVPacket *pkt)
1012 {
1013 AVFormatContext *os;
1014 AVOutputStream *ost;
1015 uint8_t *ptr;
1016 int len, ret, i;
1017 uint8_t *data_buf;
1018 int data_size, got_picture;
1019 AVFrame picture;
1020 void *buffer_to_free;
1021 static unsigned int samples_size= 0;
1022 static short *samples= NULL;
1023 AVSubtitle subtitle, *subtitle_to_free;
1024 int got_subtitle;
1025
1026 if(!pkt){
1027 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1028 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1029 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1030 } else {
1031 // assert(ist->pts == ist->next_pts);
1032 }
1033
1034 if (pkt == NULL) {
1035 /* EOF handling */
1036 ptr = NULL;
1037 len = 0;
1038 goto handle_eof;
1039 }
1040
1041 len = pkt->size;
1042 ptr = pkt->data;
1043 while (len > 0) {
1044 handle_eof:
1045 /* decode the packet if needed */
1046 data_buf = NULL; /* fail safe */
1047 data_size = 0;
1048 subtitle_to_free = NULL;
1049 if (ist->decoding_needed) {
1050 switch(ist->st->codec->codec_type) {
1051 case CODEC_TYPE_AUDIO:{
1052 if(pkt)
1053 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
1054 data_size= samples_size;
1055 /* XXX: could avoid copy if PCM 16 bits with same
1056 endianness as CPU */
1057 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
1058 ptr, len);
1059 if (ret < 0)
1060 goto fail_decode;
1061 ptr += ret;
1062 len -= ret;
1063 /* Some bug in mpeg audio decoder gives */
1064 /* data_size < 0, it seems they are overflows */
1065 if (data_size <= 0) {
1066 /* no audio frame */
1067 continue;
1068 }
1069 data_buf = (uint8_t *)samples;
1070 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1071 (ist->st->codec->sample_rate * ist->st->codec->channels);
1072 break;}
1073 case CODEC_TYPE_VIDEO:
1074 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1075 /* XXX: allocate picture correctly */
1076 avcodec_get_frame_defaults(&picture);
1077
1078 ret = avcodec_decode_video(ist->st->codec,
1079 &picture, &got_picture, ptr, len);
1080 ist->st->quality= picture.quality;
1081 if (ret < 0)
1082 goto fail_decode;
1083 if (!got_picture) {
1084 /* no picture yet */
1085 goto discard_packet;
1086 }
1087 if (ist->st->codec->time_base.num != 0) {
1088 ist->next_pts += ((int64_t)AV_TIME_BASE *
1089 ist->st->codec->time_base.num) /
1090 ist->st->codec->time_base.den;
1091 }
1092 len = 0;
1093 break;
1094 case CODEC_TYPE_SUBTITLE:
1095 ret = avcodec_decode_subtitle(ist->st->codec,
1096 &subtitle, &got_subtitle, ptr, len);
1097 if (ret < 0)
1098 goto fail_decode;
1099 if (!got_subtitle) {
1100 goto discard_packet;
1101 }
1102 subtitle_to_free = &subtitle;
1103 len = 0;
1104 break;
1105 default:
1106 goto fail_decode;
1107 }
1108 } else {
1109 switch(ist->st->codec->codec_type) {
1110 case CODEC_TYPE_AUDIO:
1111 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1112 (ist->st->codec->sample_rate * ist->st->codec->channels);
1113 break;
1114 case CODEC_TYPE_VIDEO:
1115 if (ist->st->codec->time_base.num != 0) {
1116 ist->next_pts += ((int64_t)AV_TIME_BASE *
1117 ist->st->codec->time_base.num) /
1118 ist->st->codec->time_base.den;
1119 }
1120 break;
1121 }
1122 data_buf = ptr;
1123 data_size = len;
1124 ret = len;
1125 len = 0;
1126 }
1127
1128 buffer_to_free = NULL;
1129 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1130 pre_process_video_frame(ist, (AVPicture *)&picture,
1131 &buffer_to_free);
1132 }
1133
1134 // preprocess audio (volume)
1135 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1136 if (audio_volume != 256) {
1137 short *volp;
1138 volp = samples;
1139 for(i=0;i<(data_size / sizeof(short));i++) {
1140 int v = ((*volp) * audio_volume + 128) >> 8;
1141 if (v < -32768) v = -32768;
1142 if (v > 32767) v = 32767;
1143 *volp++ = v;
1144 }
1145 }
1146 }
1147
1148 /* frame rate emulation */
1149 if (ist->st->codec->rate_emu) {
1150 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1151 int64_t now = av_gettime() - ist->start;
1152 if (pts > now)
1153 usleep(pts - now);
1154
1155 ist->frame++;
1156 }
1157
1158 #if 0
1159 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1160 is the one of the next displayed one */
1161 /* XXX: add mpeg4 too ? */
1162 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1163 if (ist->st->codec->pict_type != B_TYPE) {
1164 int64_t tmp;
1165 tmp = ist->last_ip_pts;
1166 ist->last_ip_pts = ist->frac_pts.val;
1167 ist->frac_pts.val = tmp;
1168 }
1169 }
1170 #endif
1171 /* if output time reached then transcode raw format,
1172 encode packets and output them */
1173 if (start_time == 0 || ist->pts >= start_time)
1174 for(i=0;i<nb_ostreams;i++) {
1175 int frame_size;
1176
1177 ost = ost_table[i];
1178 if (ost->source_index == ist_index) {
1179 os = output_files[ost->file_index];
1180
1181 #if 0
1182 printf("%d: got pts=%0.3f %0.3f\n", i,
1183 (double)pkt->pts / AV_TIME_BASE,
1184 ((double)ist->pts / AV_TIME_BASE) -
1185 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1186 #endif
1187 /* set the input output pts pairs */
1188 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1189
1190 if (ost->encoding_needed) {
1191 switch(ost->st->codec->codec_type) {
1192 case CODEC_TYPE_AUDIO:
1193 do_audio_out(os, ost, ist, data_buf, data_size);
1194 break;
1195 case CODEC_TYPE_VIDEO:
1196 do_video_out(os, ost, ist, &picture, &frame_size);
1197 video_size += frame_size;
1198 if (do_vstats && frame_size)
1199 do_video_stats(os, ost, frame_size);
1200 break;
1201 case CODEC_TYPE_SUBTITLE:
1202 do_subtitle_out(os, ost, ist, &subtitle,
1203 pkt->pts);
1204 break;
1205 default:
1206 av_abort();
1207 }
1208 } else {
1209 AVFrame avframe; //FIXME/XXX remove this
1210 AVPacket opkt;
1211 av_init_packet(&opkt);
1212
1213 /* no reencoding needed : output the packet directly */
1214 /* force the input stream PTS */
1215
1216 avcodec_get_frame_defaults(&avframe);
1217 ost->st->codec->coded_frame= &avframe;
1218 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1219
1220 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1221 audio_size += data_size;
1222 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1223 video_size += data_size;
1224 ost->sync_opts++;
1225 }
1226
1227 opkt.stream_index= ost->index;
1228 if(pkt->pts != AV_NOPTS_VALUE)
1229 opkt.pts= av_rescale_q(av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q) + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1230 else
1231 opkt.pts= AV_NOPTS_VALUE;
1232
1233 {
1234 int64_t dts;
1235 if (pkt->dts == AV_NOPTS_VALUE)
1236 dts = ist->next_pts;
1237 else
1238 dts= av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1239 opkt.dts= av_rescale_q(dts + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1240 }
1241 opkt.flags= pkt->flags;
1242
1243 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1244 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1245 opkt.destruct= av_destruct_packet;
1246
1247 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][pkt->stream_index]);
1248 ost->st->codec->frame_number++;
1249 ost->frame_number++;
1250 av_free_packet(&opkt);
1251 }
1252 }
1253 }
1254 av_free(buffer_to_free);
1255 /* XXX: allocate the subtitles in the codec ? */
1256 if (subtitle_to_free) {
1257 if (subtitle_to_free->rects != NULL) {
1258 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1259 av_free(subtitle_to_free->rects[i].bitmap);
1260 av_free(subtitle_to_free->rects[i].rgba_palette);
1261 }
1262 av_freep(&subtitle_to_free->rects);
1263 }
1264 subtitle_to_free->num_rects = 0;
1265 subtitle_to_free = NULL;
1266 }
1267 }
1268 discard_packet:
1269 if (pkt == NULL) {
1270 /* EOF handling */
1271
1272 for(i=0;i<nb_ostreams;i++) {
1273 ost = ost_table[i];
1274 if (ost->source_index == ist_index) {
1275 AVCodecContext *enc= ost->st->codec;
1276 os = output_files[ost->file_index];
1277
1278 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1279 continue;
1280 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1281 continue;
1282
1283 if (ost->encoding_needed) {
1284 for(;;) {
1285 AVPacket pkt;
1286 int fifo_bytes;
1287 av_init_packet(&pkt);
1288 pkt.stream_index= ost->index;
1289
1290 switch(ost->st->codec->codec_type) {
1291 case CODEC_TYPE_AUDIO:
1292 fifo_bytes = av_fifo_size(&ost->fifo);
1293 ret = 0;
1294 /* encode any samples remaining in fifo */
1295 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1296 int fs_tmp = enc->frame_size;
1297 enc->frame_size = fifo_bytes / (2 * enc->channels);
1298 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
1299 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1300 }
1301 enc->frame_size = fs_tmp;
1302 }
1303 if(ret <= 0) {
1304 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1305 }
1306 audio_size += ret;
1307 pkt.flags |= PKT_FLAG_KEY;
1308 break;
1309 case CODEC_TYPE_VIDEO:
1310 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1311 video_size += ret;
1312 if(enc->coded_frame && enc->coded_frame->key_frame)
1313 pkt.flags |= PKT_FLAG_KEY;
1314 if (ost->logfile && enc->stats_out) {
1315 fprintf(ost->logfile, "%s", enc->stats_out);
1316 }
1317 break;
1318 default:
1319 ret=-1;
1320 }
1321
1322 if(ret<=0)
1323 break;
1324 pkt.data= bit_buffer;
1325 pkt.size= ret;
1326 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1327 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1328 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1329 }
1330 }
1331 }
1332 }
1333 }
1334
1335 return 0;
1336 fail_decode:
1337 return -1;
1338 }
1339
1340
1341 /*
1342 * The following code is the main loop of the file converter
1343 */
1344 static int av_encode(AVFormatContext **output_files,
1345 int nb_output_files,
1346 AVFormatContext **input_files,
1347 int nb_input_files,
1348 AVStreamMap *stream_maps, int nb_stream_maps)
1349 {
1350 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1351 AVFormatContext *is, *os;
1352 AVCodecContext *codec, *icodec;
1353 AVOutputStream *ost, **ost_table = NULL;
1354 AVInputStream *ist, **ist_table = NULL;
1355 AVInputFile *file_table;
1356 int key;
1357
1358 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1359 if (!file_table)
1360 goto fail;
1361
1362 /* input stream init */
1363 j = 0;
1364 for(i=0;i<nb_input_files;i++) {
1365 is = input_files[i];
1366 file_table[i].ist_index = j;
1367 file_table[i].nb_streams = is->nb_streams;
1368 j += is->nb_streams;
1369 }
1370 nb_istreams = j;
1371
1372 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1373 if (!ist_table)
1374 goto fail;
1375
1376 for(i=0;i<nb_istreams;i++) {
1377 ist = av_mallocz(sizeof(AVInputStream));
1378 if (!ist)
1379 goto fail;
1380 ist_table[i] = ist;
1381 }
1382 j = 0;
1383 for(i=0;i<nb_input_files;i++) {
1384 is = input_files[i];
1385 for(k=0;k<is->nb_streams;k++) {
1386 ist = ist_table[j++];
1387 ist->st = is->streams[k];
1388 ist->file_index = i;
1389 ist->index = k;
1390 ist->discard = 1; /* the stream is discarded by default
1391 (changed later) */
1392
1393 if (ist->st->codec->rate_emu) {
1394 ist->start = av_gettime();
1395 ist->frame = 0;
1396 }
1397 }
1398 }
1399
1400 /* output stream init */
1401 nb_ostreams = 0;
1402 for(i=0;i<nb_output_files;i++) {
1403 os = output_files[i];
1404 if (!os->nb_streams) {
1405 fprintf(stderr, "Output file does not contain any stream\n");
1406 exit(1);
1407 }
1408 nb_ostreams += os->nb_streams;
1409 }
1410 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1411 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1412 exit(1);
1413 }
1414
1415 /* Sanity check the mapping args -- do the input files & streams exist? */
1416 for(i=0;i<nb_stream_maps;i++) {
1417 int fi = stream_maps[i].file_index;
1418 int si = stream_maps[i].stream_index;
1419
1420 if (fi < 0 || fi > nb_input_files - 1 ||
1421 si < 0 || si > file_table[fi].nb_streams - 1) {
1422 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1423 exit(1);
1424 }
1425 fi = stream_maps[i].sync_file_index;
1426 si = stream_maps[i].sync_stream_index;
1427 if (fi < 0 || fi > nb_input_files - 1 ||
1428 si < 0 || si > file_table[fi].nb_streams - 1) {
1429 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1430 exit(1);
1431 }
1432 }
1433
1434 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1435 if (!ost_table)
1436 goto fail;
1437 for(i=0;i<nb_ostreams;i++) {
1438 ost = av_mallocz(sizeof(AVOutputStream));
1439 if (!ost)
1440 goto fail;
1441 ost_table[i] = ost;
1442 }
1443
1444 n = 0;
1445 for(k=0;k<nb_output_files;k++) {
1446 os = output_files[k];
1447 for(i=0;i<os->nb_streams;i++) {
1448 int found;
1449 ost = ost_table[n++];
1450 ost->file_index = k;
1451 ost->index = i;
1452 ost->st = os->streams[i];
1453 if (nb_stream_maps > 0) {
1454 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1455 stream_maps[n-1].stream_index;
1456
1457 /* Sanity check that the stream types match */
1458 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1459 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1460 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1461 ost->file_index, ost->index);
1462 exit(1);
1463 }
1464
1465 } else {
1466 /* get corresponding input stream index : we select the first one with the right type */
1467 found = 0;
1468 for(j=0;j<nb_istreams;j++) {
1469 ist = ist_table[j];
1470 if (ist->discard &&
1471 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1472 ost->source_index = j;
1473 found = 1;
1474 break;
1475 }
1476 }
1477
1478 if (!found) {
1479 /* try again and reuse existing stream */
1480 for(j=0;j<nb_istreams;j++) {
1481 ist = ist_table[j];
1482 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1483 ost->source_index = j;
1484 found = 1;
1485 }
1486 }
1487 if (!found) {
1488 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1489 ost->file_index, ost->index);
1490 exit(1);
1491 }
1492 }
1493 }
1494 ist = ist_table[ost->source_index];
1495 ist->discard = 0;
1496 ost->sync_ist = (nb_stream_maps > 0) ?
1497 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1498 stream_maps[n-1].sync_stream_index] : ist;
1499 }
1500 }
1501
1502 /* for each output stream, we compute the right encoding parameters */
1503 for(i=0;i<nb_ostreams;i++) {
1504 ost = ost_table[i];
1505 ist = ist_table[ost->source_index];
1506
1507 codec = ost->st->codec;
1508 icodec = ist->st->codec;
1509
1510 if (ost->st->stream_copy) {
1511 /* if stream_copy is selected, no need to decode or encode */
1512 codec->codec_id = icodec->codec_id;
1513 codec->codec_type = icodec->codec_type;
1514 if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1515 codec->bit_rate = icodec->bit_rate;
1516 codec->extradata= icodec->extradata;
1517 codec->extradata_size= icodec->extradata_size;
1518 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
1519 codec->time_base = icodec->time_base;
1520 else
1521 codec->time_base = ist->st->time_base;
1522 switch(codec->codec_type) {
1523 case CODEC_TYPE_AUDIO:
1524 codec->sample_rate = icodec->sample_rate;
1525 codec->channels = icodec->channels;
1526 codec->frame_size = icodec->frame_size;
1527 codec->block_align= icodec->block_align;
1528 break;
1529 case CODEC_TYPE_VIDEO:
1530 if(using_vhook) {
1531 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1532 exit(1);
1533 }
1534 codec->pix_fmt = icodec->pix_fmt;
1535 codec->width = icodec->width;
1536 codec->height = icodec->height;
1537 codec->has_b_frames = icodec->has_b_frames;
1538 break;
1539 case CODEC_TYPE_SUBTITLE:
1540 break;
1541 default:
1542 av_abort();
1543 }
1544 } else {
1545 switch(codec->codec_type) {
1546 case CODEC_TYPE_AUDIO:
1547 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1548 goto fail;
1549
1550 if (codec->channels == icodec->channels &&
1551 codec->sample_rate == icodec->sample_rate) {
1552 ost->audio_resample = 0;
1553 } else {
1554 if (codec->channels != icodec->channels &&
1555 (icodec->codec_id == CODEC_ID_AC3 ||
1556 icodec->codec_id == CODEC_ID_DTS)) {
1557 /* Special case for 5:1 AC3 and DTS input */
1558 /* and mono or stereo output */
1559 /* Request specific number of channels */
1560 icodec->channels = codec->channels;
1561 if (codec->sample_rate == icodec->sample_rate)
1562 ost->audio_resample = 0;
1563 else {
1564 ost->audio_resample = 1;
1565 }
1566 } else {
1567 ost->audio_resample = 1;
1568 }
1569 }
1570 if(audio_sync_method>1)
1571 ost->audio_resample = 1;
1572
1573 if(ost->audio_resample){
1574 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1575 codec->sample_rate, icodec->sample_rate);
1576 if(!ost->resample){
1577 printf("Can't resample. Aborting.\n");
1578 av_abort();
1579 }
1580 }
1581 ist->decoding_needed = 1;
1582 ost->encoding_needed = 1;
1583 break;
1584 case CODEC_TYPE_VIDEO:
1585 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1586 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1587 ost->video_resample = ((codec->width != icodec->width -
1588 (frame_leftBand + frame_rightBand) +
1589 (frame_padleft + frame_padright)) ||
1590 (codec->height != icodec->height -
1591 (frame_topBand + frame_bottomBand) +
1592 (frame_padtop + frame_padbottom)) ||
1593 (codec->pix_fmt != icodec->pix_fmt));
1594 if (ost->video_crop) {
1595 ost->topBand = frame_topBand;
1596 ost->leftBand = frame_leftBand;
1597 }
1598 if (ost->video_pad) {
1599 ost->padtop = frame_padtop;
1600 ost->padleft = frame_padleft;
1601 ost->padbottom = frame_padbottom;
1602 ost->padright = frame_padright;
1603 if (!ost->video_resample) {
1604 avcodec_get_frame_defaults(&ost->pict_tmp);
1605 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1606 codec->width, codec->height ) )
1607 goto fail;
1608 }
1609 }
1610 if (ost->video_resample) {
1611 avcodec_get_frame_defaults(&ost->pict_tmp);
1612 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1613 codec->width, codec->height ) ) {
1614 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1615 exit(1);
1616 }
1617 ost->img_resample_ctx = sws_getContext(
1618 icodec->width - (frame_leftBand + frame_rightBand),
1619 icodec->height - (frame_topBand + frame_bottomBand),
1620 icodec->pix_fmt,
1621 codec->width - (frame_padleft + frame_padright),
1622 codec->height - (frame_padtop + frame_padbottom),
1623 codec->pix_fmt,
1624 sws_flags, NULL, NULL, NULL);
1625 if (ost->img_resample_ctx == NULL) {
1626 fprintf(stderr, "Cannot get resampling context\n");
1627 exit(1);
1628 }
1629 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1630 }
1631 ost->encoding_needed = 1;
1632 ist->decoding_needed = 1;
1633 break;
1634 case CODEC_TYPE_SUBTITLE:
1635 ost->encoding_needed = 1;
1636 ist->decoding_needed = 1;
1637 break;
1638 default:
1639 av_abort();
1640 break;
1641 }
1642 /* two pass mode */
1643 if (ost->encoding_needed &&
1644 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1645 char logfilename[1024];
1646 FILE *f;
1647 int size;
1648 char *logbuffer;
1649
1650 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1651 pass_logfilename ?
1652 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1653 if (codec->flags & CODEC_FLAG_PASS1) {
1654 f = fopen(logfilename, "w");
1655 if (!f) {
1656 perror(logfilename);
1657 exit(1);
1658 }
1659 ost->logfile = f;
1660 } else {
1661 /* read the log file */
1662 f = fopen(logfilename, "r");
1663 if (!f) {
1664 perror(logfilename);
1665 exit(1);
1666 }
1667 fseek(f, 0, SEEK_END);
1668 size = ftell(f);
1669 fseek(f, 0, SEEK_SET);
1670 logbuffer = av_malloc(size + 1);
1671 if (!logbuffer) {
1672 fprintf(stderr, "Could not allocate log buffer\n");
1673 exit(1);
1674 }
1675 size = fread(logbuffer, 1, size, f);
1676 fclose(f);
1677 logbuffer[size] = '\0';
1678 codec->stats_in = logbuffer;
1679 }
1680 }
1681 }
1682 if(codec->codec_type == CODEC_TYPE_VIDEO){
1683 int size= codec->width * codec->height;
1684 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1685 }
1686 }
1687
1688 if (!bit_buffer)
1689 bit_buffer = av_malloc(bit_buffer_size);
1690 if (!bit_buffer)
1691 goto fail;
1692
1693 /* dump the file output parameters - cannot be done before in case
1694 of stream copy */
1695 for(i=0;i<nb_output_files;i++) {
1696 dump_format(output_files[i], i, output_files[i]->filename, 1);
1697 }
1698
1699 /* dump the stream mapping */
1700 if (verbose >= 0) {
1701 fprintf(stderr, "Stream mapping:\n");
1702 for(i=0;i<nb_ostreams;i++) {
1703 ost = ost_table[i];
1704 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1705 ist_table[ost->source_index]->file_index,
1706 ist_table[ost->source_index]->index,
1707 ost->file_index,
1708 ost->index);
1709 if (ost->sync_ist != ist_table[ost->source_index])
1710 fprintf(stderr, " [sync #%d.%d]",
1711 ost->sync_ist->file_index,
1712 ost->sync_ist->index);
1713 fprintf(stderr, "\n");
1714 }
1715 }
1716
1717 /* open each encoder */
1718 for(i=0;i<nb_ostreams;i++) {
1719 ost = ost_table[i];
1720 if (ost->encoding_needed) {
1721 AVCodec *codec;
1722 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1723 if (!codec) {
1724 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1725 ost->file_index, ost->index);
1726 exit(1);
1727 }
1728 if (avcodec_open(ost->st->codec, codec) < 0) {
1729 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1730 ost->file_index, ost->index);
1731 exit(1);
1732 }
1733 extra_size += ost->st->codec->extradata_size;
1734 }
1735 }
1736
1737 /* open each decoder */
1738 for(i=0;i<nb_istreams;i++) {
1739 ist = ist_table[i];
1740 if (ist->decoding_needed) {
1741 AVCodec *codec;
1742 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1743 if (!codec) {
1744 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1745 ist->st->codec->codec_id, ist->file_index, ist->index);
1746 exit(1);
1747 }
1748 if (avcodec_open(ist->st->codec, codec) < 0) {
1749 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1750 ist->file_index, ist->index);
1751 exit(1);
1752 }
1753 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1754 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1755 }
1756 }
1757
1758 /* init pts */
1759 for(i=0;i<nb_istreams;i++) {
1760 ist = ist_table[i];
1761 is = input_files[ist->file_index];
1762 ist->pts = 0;
1763 ist->next_pts = av_rescale_q(ist->st->start_time, ist->st->time_base, AV_TIME_BASE_Q);
1764 if(ist->st->start_time == AV_NOPTS_VALUE)
1765 ist->next_pts=0;
1766 if(input_files_ts_offset[ist->file_index])
1767 ist->next_pts= AV_NOPTS_VALUE;
1768 ist->is_start = 1;
1769 }
1770
1771 /* set meta data information from input file if required */
1772 for (i=0;i<nb_meta_data_maps;i++) {
1773 AVFormatContext *out_file;
1774 AVFormatContext *in_file;
1775
1776 int out_file_index = meta_data_maps[i].out_file;
1777 int in_file_index = meta_data_maps[i].in_file;
1778 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1779 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1780 ret = AVERROR(EINVAL);
1781 goto fail;
1782 }
1783 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1784 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1785 ret = AVERROR(EINVAL);
1786 goto fail;
1787 }
1788
1789 out_file = output_files[out_file_index];
1790 in_file = input_files[in_file_index];
1791
1792 strcpy(out_file->title, in_file->title);
1793 strcpy(out_file->author, in_file->author);
1794 strcpy(out_file->copyright, in_file->copyright);
1795 strcpy(out_file->comment, in_file->comment);
1796 strcpy(out_file->album, in_file->album);
1797 out_file->year = in_file->year;
1798 out_file->track = in_file->track;
1799 strcpy(out_file->genre, in_file->genre);
1800 }
1801
1802 /* open files and write file headers */
1803 for(i=0;i<nb_output_files;i++) {
1804 os = output_files[i];
1805 if (av_write_header(os) < 0) {
1806 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1807 ret = AVERROR(EINVAL);
1808 goto fail;
1809 }
1810 }
1811
1812 if ( !using_stdin && verbose >= 0) {
1813 fprintf(stderr, "Press [q] to stop encoding\n");
1814 url_set_interrupt_cb(decode_interrupt_cb);
1815 }
1816 term_init();
1817
1818 key = -1;
1819 timer_start = av_gettime();
1820
1821 for(; received_sigterm == 0;) {
1822 int file_index, ist_index;
1823 AVPacket pkt;
1824 double ipts_min;
1825 double opts_min;
1826
1827 redo:
1828 ipts_min= 1e100;
1829 opts_min= 1e100;
1830 /* if 'q' pressed, exits */
1831 if (!using_stdin) {
1832 if (q_pressed)
1833 break;
1834 /* read_key() returns 0 on EOF */
1835 key = read_key();
1836 if (key == 'q')
1837 break;
1838 }
1839
1840 /* select the stream that we must read now by looking at the
1841 smallest output pts */
1842 file_index = -1;
1843 for(i=0;i<nb_ostreams;i++) {
1844 double ipts, opts;
1845 ost = ost_table[i];
1846 os = output_files[ost->file_index];
1847 ist = ist_table[ost->source_index];
1848 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1849 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1850 else
1851 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1852 ipts = (double)ist->pts;
1853 if (!file_table[ist->file_index].eof_reached){
1854 if(ipts < ipts_min) {
1855 ipts_min = ipts;
1856 if(input_sync ) file_index = ist->file_index;
1857 }
1858 if(opts < opts_min) {
1859 opts_min = opts;
1860 if(!input_sync) file_index = ist->file_index;
1861 }
1862 }
1863 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1864 file_index= -1;
1865 break;
1866 }
1867 }
1868 /* if none, if is finished */
1869 if (file_index < 0) {
1870 break;
1871 }
1872
1873 /* finish if recording time exhausted */
1874 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1875 break;
1876
1877 /* finish if limit size exhausted */
1878 if (limit_filesize != 0 && limit_filesize < url_ftell(&output_files[0]->pb))
1879 break;
1880
1881 /* read a frame from it and output it in the fifo */
1882 is = input_files[file_index];
1883 if (av_read_frame(is, &pkt) < 0) {
1884 file_table[file_index].eof_reached = 1;
1885 if (opt_shortest) break; else continue; //
1886 }
1887
1888 if (do_pkt_dump) {
1889 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
1890 }
1891 /* the following test is needed in case new streams appear
1892 dynamically in stream : we ignore them */
1893 if (pkt.stream_index >= file_table[file_index].nb_streams)
1894 goto discard_packet;
1895 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1896 ist = ist_table[ist_index];
1897 if (ist->discard)
1898 goto discard_packet;
1899
1900 // 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);
1901 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1902 int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
1903 if(FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE && !copy_ts){
1904 input_files_ts_offset[ist->file_index]-= delta;
1905 if (verbose > 2)
1906 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1907 for(i=0; i<file_table[file_index].nb_streams; i++){
1908 int index= file_table[file_index].ist_index + i;
1909 ist_table[index]->next_pts += delta;
1910 ist_table[index]->is_start=1;
1911 }
1912 }
1913 }
1914
1915 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1916 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1917
1918 if (verbose >= 0)
1919 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1920 ist->file_index, ist->index);
1921
1922 av_free_packet(&pkt);
1923 goto redo;
1924 }
1925
1926 discard_packet:
1927 av_free_packet(&pkt);
1928
1929 /* dump report by using the output first video and audio streams */
1930 print_report(output_files, ost_table, nb_ostreams, 0);
1931 }
1932
1933 /* at the end of stream, we must flush the decoder buffers */
1934 for(i=0;i<nb_istreams;i++) {
1935 ist = ist_table[i];
1936 if (ist->decoding_needed) {
1937 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1938 }
1939 }
1940
1941 term_exit();
1942
1943 /* write the trailer if needed and close file */
1944 for(i=0;i<nb_output_files;i++) {
1945 os = output_files[i];
1946 av_write_trailer(os);
1947 }
1948
1949 /* dump report by using the first video and audio streams */
1950 print_report(output_files, ost_table, nb_ostreams, 1);
1951
1952 /* close each encoder */
1953 for(i=0;i<nb_ostreams;i++) {
1954 ost = ost_table[i];
1955 if (ost->encoding_needed) {
1956 av_freep(&ost->st->codec->stats_in);
1957 avcodec_close(ost->st->codec);
1958 }
1959 }
1960
1961 /* close each decoder */
1962 for(i=0;i<nb_istreams;i++) {
1963 ist = ist_table[i];
1964 if (ist->decoding_needed) {
1965 avcodec_close(ist->st->codec);
1966 }
1967 }
1968
1969 /* finished ! */
1970
1971 ret = 0;
1972 fail1:
1973 av_freep(&bit_buffer);
1974 av_free(file_table);
1975
1976 if (ist_table) {
1977 for(i=0;i<nb_istreams;i++) {
1978 ist = ist_table[i];
1979 av_free(ist);
1980 }
1981 av_free(ist_table);
1982 }
1983 if (ost_table) {
1984 for(i=0;i<nb_ostreams;i++) {
1985 ost = ost_table[i];
1986 if (ost) {
1987 if (ost->logfile) {
1988 fclose(ost->logfile);
1989 ost->logfile = NULL;
1990 }
1991 av_fifo_free(&ost->fifo); /* works even if fifo is not
1992 initialized but set to zero */
1993 av_free(ost->pict_tmp.data[0]);
1994 if (ost->video_resample)
1995 sws_freeContext(ost->img_resample_ctx);
1996 if (ost->audio_resample)
1997 audio_resample_close(ost->resample);
1998 av_free(ost);
1999 }
2000 }
2001 av_free(ost_table);
2002 }
2003 return ret;
2004 fail:
2005 ret = AVERROR(ENOMEM);
2006 goto fail1;
2007 }
2008
2009 #if 0
2010 int file_read(const char *filename)
2011 {
2012 URLContext *h;
2013 unsigned char buffer[1024];
2014 int len, i;
2015
2016 if (url_open(&h, filename, O_RDONLY) < 0) {
2017 printf("could not open '%s'\n", filename);
2018 return -1;
2019 }
2020 for(;;) {
2021 len = url_read(h, buffer, sizeof(buffer));
2022 if (len <= 0)
2023 break;
2024 for(i=0;i<len;i++) putchar(buffer[i]);
2025 }
2026 url_close(h);
2027 return 0;
2028 }
2029 #endif
2030
2031 static void opt_format(const char *arg)
2032 {
2033 /* compatibility stuff for pgmyuv */
2034 if (!strcmp(arg, "pgmyuv")) {
2035 pgmyuv_compatibility_hack=1;
2036 // opt_image_format(arg);
2037 arg = "image2";
2038 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2039 }
2040
2041 file_iformat = av_find_input_format(arg);
2042 file_oformat = guess_format(arg, NULL, NULL);
2043 if (!file_iformat && !file_oformat) {
2044 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2045 exit(1);
2046 }
2047 }
2048
2049 static void opt_video_rc_eq(char *arg)
2050 {
2051 video_rc_eq = arg;
2052 }
2053
2054 static void opt_video_rc_override_string(char *arg)
2055 {
2056 video_rc_override_string = arg;
2057 }
2058
2059 static void opt_me_threshold(const char *arg)
2060 {
2061 me_threshold = atoi(arg);
2062 }
2063
2064 static void opt_verbose(const char *arg)
2065 {
2066 verbose = atoi(arg);
2067 av_log_level = atoi(arg);
2068 }
2069
2070 static void opt_frame_rate(const char *arg)
2071 {
2072 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2073 fprintf(stderr, "Incorrect frame rate\n");
2074 exit(1);
2075 }
2076 }
2077
2078 static void opt_frame_crop_top(const char *arg)
2079 {
2080 frame_topBand = atoi(arg);
2081 if (frame_topBand < 0) {
2082 fprintf(stderr, "Incorrect top crop size\n");
2083 exit(1);
2084 }
2085 if ((frame_topBand % 2) != 0) {
2086 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2087 exit(1);
2088 }
2089 if ((frame_topBand) >= frame_height){
2090 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2091 exit(1);
2092 }
2093 frame_height -= frame_topBand;
2094 }
2095
2096 static void opt_frame_crop_bottom(const char *arg)
2097 {
2098 frame_bottomBand = atoi(arg);
2099 if (frame_bottomBand < 0) {
2100 fprintf(stderr, "Incorrect bottom crop size\n");
2101 exit(1);
2102 }
2103 if ((frame_bottomBand % 2) != 0) {
2104 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2105 exit(1);
2106 }
2107 if ((frame_bottomBand) >= frame_height){
2108 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2109 exit(1);
2110 }
2111 frame_height -= frame_bottomBand;
2112 }
2113
2114 static void opt_frame_crop_left(const char *arg)
2115 {
2116 frame_leftBand = atoi(arg);
2117 if (frame_leftBand < 0) {
2118 fprintf(stderr, "Incorrect left crop size\n");
2119 exit(1);
2120 }
2121 if ((frame_leftBand % 2) != 0) {
2122 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2123 exit(1);
2124 }
2125 if ((frame_leftBand) >= frame_width){
2126 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2127 exit(1);
2128 }
2129 frame_width -= frame_leftBand;
2130 }
2131
2132 static void opt_frame_crop_right(const char *arg)
2133 {
2134 frame_rightBand = atoi(arg);
2135 if (frame_rightBand < 0) {
2136 fprintf(stderr, "Incorrect right crop size\n");
2137 exit(1);
2138 }
2139 if ((frame_rightBand % 2) != 0) {
2140 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2141 exit(1);
2142 }
2143 if ((frame_rightBand) >= frame_width){
2144 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2145 exit(1);
2146 }
2147 frame_width -= frame_rightBand;
2148 }
2149
2150 static void opt_frame_size(const char *arg)
2151 {
2152 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2153 fprintf(stderr, "Incorrect frame size\n");
2154 exit(1);
2155 }
2156 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2157 fprintf(stderr, "Frame size must be a multiple of 2\n");
2158 exit(1);
2159 }
2160 }
2161
2162
2163 #define SCALEBITS 10
2164 #define ONE_HALF (1 << (SCALEBITS - 1))
2165 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2166
2167 #define RGB_TO_Y(r, g, b) \
2168 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2169 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2170
2171 #define RGB_TO_U(r1, g1, b1, shift)\
2172 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2173 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2174
2175 #define RGB_TO_V(r1, g1, b1, shift)\
2176 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2177 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2178
2179 static void opt_pad_color(const char *arg) {
2180 /* Input is expected to be six hex digits similar to
2181 how colors are expressed in html tags (but without the #) */
2182 int rgb = strtol(arg, NULL, 16);
2183 int r,g,b;
2184
2185 r = (rgb >> 16);
2186 g = ((rgb >> 8) & 255);
2187 b = (rgb & 255);
2188
2189 padcolor[0] = RGB_TO_Y(r,g,b);
2190 padcolor[1] = RGB_TO_U(r,g,b,0);
2191 padcolor[2] = RGB_TO_V(r,g,b,0);
2192 }
2193
2194 static void opt_frame_pad_top(const char *arg)
2195 {
2196 frame_padtop = atoi(arg);
2197 if (frame_padtop < 0) {
2198 fprintf(stderr, "Incorrect top pad size\n");
2199 exit(1);
2200 }
2201 if ((frame_padtop % 2) != 0) {
2202 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2203 exit(1);
2204 }
2205 }
2206
2207 static void opt_frame_pad_bottom(const char *arg)
2208 {
2209 frame_padbottom = atoi(arg);
2210 if (frame_padbottom < 0) {
2211 fprintf(stderr, "Incorrect bottom pad size\n");
2212 exit(1);
2213 }
2214 if ((frame_padbottom % 2) != 0) {
2215 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2216 exit(1);
2217 }
2218 }
2219
2220
2221 static void opt_frame_pad_left(const char *arg)
2222 {
2223 frame_padleft = atoi(arg);
2224 if (frame_padleft < 0) {
2225 fprintf(stderr, "Incorrect left pad size\n");
2226 exit(1);
2227 }
2228 if ((frame_padleft % 2) != 0) {
2229 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2230 exit(1);
2231 }
2232 }
2233
2234
2235 static void opt_frame_pad_right(const char *arg)
2236 {
2237 frame_padright = atoi(arg);
2238 if (frame_padright < 0) {
2239 fprintf(stderr, "Incorrect right pad size\n");
2240 exit(1);
2241 }
2242 if ((frame_padright % 2) != 0) {
2243 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2244 exit(1);
2245 }
2246 }
2247
2248
2249 static void opt_frame_pix_fmt(const char *arg)
2250 {
2251 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2252 }
2253
2254 static void opt_frame_aspect_ratio(const char *arg)
2255 {
2256 int x = 0, y = 0;
2257 double ar = 0;
2258 const char *p;
2259
2260 p = strchr(arg, ':');
2261 if (p) {
2262 x = strtol(arg, (char **)&arg, 10);
2263 if (arg == p)
2264 y = strtol(arg+1, (char **)&arg, 10);
2265 if (x > 0 && y > 0)
2266 ar = (double)x / (double)y;
2267 } else
2268 ar = strtod(arg, (char **)&arg);
2269
2270 if (!ar) {
2271 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2272 exit(1);
2273 }
2274 frame_aspect_ratio = ar;
2275 }
2276
2277 static void opt_qscale(const char *arg)
2278 {
2279 video_qscale = atof(arg);
2280 if (video_qscale <= 0 ||
2281 video_qscale > 255) {
2282 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2283 exit(1);
2284 }
2285 }
2286
2287 static void opt_qdiff(const char *arg)
2288 {
2289 video_qdiff = atoi(arg);
2290 if (video_qdiff < 0 ||
2291 video_qdiff > 31) {
2292 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2293 exit(1);
2294 }
2295 }
2296
2297 static void opt_strict(const char *arg)
2298 {
2299 strict= atoi(arg);
2300 }
2301
2302 static void opt_top_field_first(const char *arg)
2303 {
2304 top_field_first= atoi(arg);
2305 }
2306
2307 static void opt_thread_count(const char *arg)
2308 {
2309 thread_count= atoi(arg);
2310 #if !defined(HAVE_THREADS)
2311 if (verbose >= 0)
2312 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2313 #endif
2314 }
2315
2316 static void opt_audio_rate(const char *arg)
2317 {
2318 audio_sample_rate = atoi(arg);
2319 }
2320
2321 static void opt_audio_channels(const char *arg)
2322 {
2323 audio_channels = atoi(arg);
2324 }
2325
2326 static void opt_video_channel(const char *arg)
2327 {
2328 video_channel = strtol(arg, NULL, 0);
2329 }
2330
2331 static void opt_video_standard(const char *arg)
2332 {
2333 video_standard = av_strdup(arg);
2334 }
2335
2336 static void opt_codec(int *pstream_copy, int *pcodec_id,
2337 int codec_type, const char *arg)
2338 {
2339 AVCodec *p;
2340
2341 if (!strcmp(arg, "copy")) {
2342 *pstream_copy = 1;
2343 } else {
2344 p = first_avcodec;
2345 while (p) {
2346 if (!strcmp(p->name, arg) && p->type == codec_type)
2347 break;
2348 p = p->next;
2349 }
2350 if (p == NULL) {
2351 fprintf(stderr, "Unknown codec '%s'\n", arg);
2352 exit(1);
2353 } else {
2354 *pcodec_id = p->id;
2355 }
2356 }
2357 }
2358
2359 static void opt_audio_codec(const char *arg)
2360 {
2361 opt_codec(&audio_stream_copy, &audio_codec_id, CODEC_TYPE_AUDIO, arg);
2362 }
2363
2364 static void opt_audio_tag(const char *arg)
2365 {
2366 char *tail;
2367 audio_codec_tag= strtol(arg, &tail, 0);
2368
2369 if(!tail || *tail)
2370 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2371 }
2372
2373 static void opt_video_tag(const char *arg)
2374 {
2375 char *tail;
2376 video_codec_tag= strtol(arg, &tail, 0);
2377
2378 if(!tail || *tail)
2379 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2380 }
2381
2382 static void add_frame_hooker(const char *arg)
2383 {
2384 int argc = 0;
2385 char *argv[64];
2386 int i;
2387 char *args = av_strdup(arg);
2388
2389 using_vhook = 1;
2390
2391 argv[0] = strtok(args, " ");
2392 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2393 }
2394
2395 i = frame_hook_add(argc, argv);
2396
2397 if (i != 0) {
2398 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2399 exit(1);
2400 }
2401 }
2402
2403 const char *motion_str[] = {
2404 "zero",
2405 "full",
2406 "log",
2407 "phods",
2408 "epzs",
2409 "x1",
2410 "hex",
2411 "umh",
2412 "iter",
2413 NULL,
2414 };
2415
2416 static void opt_motion_estimation(const char *arg)
2417 {
2418 const char **p;
2419 p = motion_str;
2420 for(;;) {
2421 if (!*p) {
2422 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2423 exit(1);
2424 }
2425 if (!strcmp(*p, arg))
2426 break;
2427 p++;
2428 }
2429 me_method = (p - motion_str) + 1;
2430 }
2431
2432 static void opt_video_codec(const char *arg)
2433 {
2434 opt_codec(&video_stream_copy, &video_codec_id, CODEC_TYPE_VIDEO, arg);
2435 }
2436
2437 static void opt_subtitle_codec(const char *arg)
2438 {
2439 opt_codec(&subtitle_stream_copy, &subtitle_codec_id, CODEC_TYPE_SUBTITLE, arg);
2440 }
2441
2442 static void opt_map(const char *arg)
2443 {
2444 AVStreamMap *m;
2445 const char *p;
2446
2447 p = arg;
2448 m = &stream_maps[nb_stream_maps++];
2449
2450 m->file_index = strtol(arg, (char **)&p, 0);
2451 if (*p)
2452 p++;
2453
2454 m->stream_index = strtol(p, (char **)&p, 0);
2455 if (*p) {
2456 p++;
2457 m->sync_file_index = strtol(p, (char **)&p, 0);
2458 if (*p)
2459 p++;
2460 m->sync_stream_index = strtol(p, (char **)&p, 0);
2461 } else {
2462 m->sync_file_index = m->file_index;
2463 m->sync_stream_index = m->stream_index;
2464 }
2465 }
2466
2467 static void opt_map_meta_data(const char *arg)
2468 {
2469 AVMetaDataMap *m;
2470 const char *p;
2471
2472 p = arg;
2473 m = &meta_data_maps[nb_meta_data_maps++];
2474
2475 m->out_file = strtol(arg, (char **)&p, 0);
2476 if (*p)
2477 p++;
2478
2479 m->in_file = strtol(p, (char **)&p, 0);
2480 }
2481
2482 static void opt_recording_time(const char *arg)
2483 {
2484 recording_time = parse_date(arg, 1);
2485 }
2486
2487 static void opt_start_time(const char *arg)
2488 {
2489 start_time = parse_date(arg, 1);
2490 }
2491
2492 static void opt_rec_timestamp(const char *arg)
2493 {
2494 rec_timestamp = parse_date(arg, 0) / 1000000;
2495 }
2496
2497 static void opt_input_ts_offset(const char *arg)
2498 {
2499 input_ts_offset = parse_date(arg, 1);
2500 }
2501
2502 static void opt_input_file(const char *filename)
2503 {
2504 AVFormatContext *ic;
2505 AVFormatParameters params, *ap = &params;
2506 int err, i, ret, rfps, rfps_base;
2507 int64_t timestamp;
2508
2509 if (!strcmp(filename, "-"))
2510 filename = "pipe:";
2511
2512 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2513 !strcmp( filename, "/dev/stdin" );
2514
2515 /* get default parameters from command line */
2516 ic = av_alloc_format_context();
2517
2518 memset(ap, 0, sizeof(*ap));
2519 ap->prealloced_context = 1;
2520 ap->sample_rate = audio_sample_rate;
2521 ap->channels = audio_channels;
2522 ap->time_base.den = frame_rate;
2523 ap->time_base.num = frame_rate_base;
2524 ap->width = frame_width + frame_padleft + frame_padright;
2525 ap->height = frame_height + frame_padtop + frame_padbottom;
2526 ap->pix_fmt = frame_pix_fmt;
2527 ap->channel = video_channel;
2528 ap->standard = video_standard;
2529 ap->video_codec_id = video_codec_id;
2530 ap->audio_codec_id = audio_codec_id;
2531 if(pgmyuv_compatibility_hack)
2532 ap->video_codec_id= CODEC_ID_PGMYUV;
2533
2534 for(i=0; i<opt_name_count; i++){
2535 const AVOption *opt;
2536 double d= av_get_double(avformat_opts, opt_names[i], &opt);
2537 if(d==d && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2538 av_set_double(ic, opt_names[i], d);
2539 }
2540 /* open the input file with generic libav function */
2541 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2542 if (err < 0) {
2543 print_error(filename, err);
2544 exit(1);
2545 }
2546
2547 ic->loop_input = loop_input;
2548
2549 /* If not enough info to get the stream parameters, we decode the
2550 first frames to get it. (used in mpeg case for example) */
2551 ret = av_find_stream_info(ic);
2552 if (ret < 0 && verbose >= 0) {
2553 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2554 exit(1);
2555 }
2556
2557 timestamp = start_time;
2558 /* add the stream start time */
2559 if (ic->start_time != AV_NOPTS_VALUE)
2560 timestamp += ic->start_time;
2561
2562 /* if seeking requested, we execute it */
2563 if (start_time != 0) {
2564 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2565 if (ret < 0) {
2566 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2567 filename, (double)timestamp / AV_TIME_BASE);
2568 }
2569 /* reset seek info */
2570 start_time = 0;
2571 }
2572
2573 /* update the current parameters so that they match the one of the input stream */
2574 for(i=0;i<ic->nb_streams;i++) {
2575 int j;
2576 AVCodecContext *enc = ic->streams[i]->codec;
2577 if(thread_count>1)
2578 avcodec_thread_init(enc, thread_count);
2579 enc->thread_count= thread_count;
2580 switch(enc->codec_type) {
2581 case CODEC_TYPE_AUDIO:
2582 for(j=0; j<opt_name_count; j++){
2583 const AVOption *opt;
2584 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt);
2585 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2586 av_set_double(enc, opt_names[j], d);
2587 }
2588 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2589 audio_channels = enc->channels;
2590 audio_sample_rate = enc->sample_rate;
2591 if(audio_disable)
2592 ic->streams[i]->discard= AVDISCARD_ALL;
2593 break;
2594 case CODEC_TYPE_VIDEO:
2595 for(j=0; j<opt_name_count; j++){
2596 const AVOption *opt;
2597 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt);
2598 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2599 av_set_double(enc, opt_names[j], d);
2600 }
2601 frame_height = enc->height;
2602 frame_width = enc->width;
2603 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2604 frame_pix_fmt = enc->pix_fmt;
2605 rfps = ic->streams[i]->r_frame_rate.num;
2606 rfps_base = ic->streams[i]->r_frame_rate.den;
2607 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2608 if(me_threshold)
2609 enc->debug |= FF_DEBUG_MV;
2610
2611 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2612
2613 if (verbose >= 0)
2614 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2615 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2616
2617 (float)rfps / rfps_base, rfps, rfps_base);
2618 }
2619 /* update the current frame rate to match the stream frame rate */
2620 frame_rate = rfps;
2621 frame_rate_base = rfps_base;
2622
2623 enc->rate_emu = rate_emu;
2624 if(video_disable)
2625 ic->streams[i]->discard= AVDISCARD_ALL;
2626 else if(video_discard)
2627 ic->streams[i]->discard= video_discard;
2628 break;
2629 case CODEC_TYPE_DATA:
2630 break;
2631 case CODEC_TYPE_SUBTITLE:
2632 break;
2633 case CODEC_TYPE_UNKNOWN:
2634 break;
2635 default:
2636 av_abort();
2637 }
2638 }
2639
2640 input_files[nb_input_files] = ic;
2641 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2642 /* dump the file content */
2643 if (verbose >= 0)
2644 dump_format(ic, nb_input_files, filename, 0);
2645
2646 nb_input_files++;
2647 file_iformat = NULL;
2648 file_oformat = NULL;
2649
2650 video_channel = 0;
2651
2652 rate_emu = 0;
2653 }
2654
2655 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2656 {
2657 int has_video, has_audio, i, j;
2658 AVFormatContext *ic;
2659
2660 has_video = 0;
2661 has_audio = 0;
2662 for(j=0;j<nb_input_files;j++) {
2663 ic = input_files[j];
2664 for(i=0;i<ic->nb_streams;i++) {
2665 AVCodecContext *enc = ic->streams[i]->codec;
2666 switch(enc->codec_type) {
2667 case CODEC_TYPE_AUDIO:
2668 has_audio = 1;
2669 break;
2670 case CODEC_TYPE_VIDEO:
2671 has_video = 1;
2672 break;
2673 case CODEC_TYPE_DATA:
2674 case CODEC_TYPE_UNKNOWN:
2675 case CODEC_TYPE_SUBTITLE:
2676 break;
2677 default:
2678 av_abort();
2679 }
2680 }
2681 }
2682 *has_video_ptr = has_video;
2683 *has_audio_ptr = has_audio;
2684 }
2685
2686 static void new_video_stream(AVFormatContext *oc)
2687 {
2688 AVStream *st;
2689 AVCodecContext *video_enc;
2690 int codec_id;
2691
2692 st = av_new_stream(oc, oc->nb_streams);
2693 if (!st) {
2694 fprintf(stderr, "Could not alloc stream\n");
2695 exit(1);
2696 }
2697 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
2698 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2699 video_bitstream_filters= NULL;
2700
2701 if(thread_count>1)
2702 avcodec_thread_init(st->codec, thread_count);
2703
2704 video_enc = st->codec;
2705
2706 if(video_codec_tag)
2707 video_enc->codec_tag= video_codec_tag;
2708
2709 if( (video_global_header&1)
2710 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2711 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2712 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2713 }
2714 if(video_global_header&2){
2715 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2716 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2717 }
2718
2719 if (video_stream_copy) {
2720 st->stream_copy = 1;
2721 video_enc->codec_type = CODEC_TYPE_VIDEO;
2722 } else {
2723 char *p;
2724 int i;
2725 AVCodec *codec;
2726
2727 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2728 if (video_codec_id != CODEC_ID_NONE)
2729 codec_id = video_codec_id;
2730
2731 video_enc->codec_id = codec_id;
2732 codec = avcodec_find_encoder(codec_id);
2733
2734 for(i=0; i<opt_name_count; i++){
2735 const AVOption *opt;
2736 double d= av_get_double(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt);
2737 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2738 av_set_double(video_enc, opt_names[i], d);
2739 }
2740
2741 video_enc->time_base.den = frame_rate;
2742 video_enc->time_base.num = frame_rate_base;
2743 if(codec && codec->supported_framerates){
2744 const AVRational *p= codec->supported_framerates;
2745 AVRational req= (AVRational){frame_rate, frame_rate_base};
2746 const AVRational *best=NULL;
2747 AVRational best_error= (AVRational){INT_MAX, 1};
2748 for(; p->den!=0; p++){
2749 AVRational error= av_sub_q(req, *p);
2750 if(error.num <0) error.num *= -1;
2751 if(av_cmp_q(error, best_error) < 0){
2752 best_error= error;
2753 best= p;
2754 }
2755 }
2756 video_enc->time_base.den= best->num;
2757 video_enc->time_base.num= best->den;
2758 }
2759
2760 video_enc->width = frame_width + frame_padright + frame_padleft;
2761 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2762 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
2763 video_enc->pix_fmt = frame_pix_fmt;
2764
2765 if(codec && codec->pix_fmts){
2766 const enum PixelFormat *p= codec->pix_fmts;
2767 for(; *p!=-1; p++){
2768 if(*p == video_enc->pix_fmt)
2769 break;
2770 }
2771 if(*p == -1)
2772 video_enc->pix_fmt = codec->pix_fmts[0];
2773 }
2774
2775 if (intra_only)
2776 video_enc->gop_size = 0;
2777 if (video_qscale || same_quality) {
2778 video_enc->flags |= CODEC_FLAG_QSCALE;
2779 video_enc->global_quality=
2780 st->quality = FF_QP2LAMBDA * video_qscale;
2781 }
2782
2783 if(intra_matrix)
2784 video_enc->intra_matrix = intra_matrix;
2785 if(inter_matrix)
2786 video_enc->inter_matrix = inter_matrix;
2787
2788 video_enc->max_qdiff = video_qdiff;
2789 video_enc->rc_eq = video_rc_eq;
2790 video_enc->thread_count = thread_count;
2791 p= video_rc_override_string;
2792 for(i=0; p; i++){
2793 int start, end, q;
2794 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2795 if(e!=3){
2796 fprintf(stderr, "error parsing rc_override\n");
2797 exit(1);
2798 }
2799 video_enc->rc_override=
2800 av_realloc(video_enc->rc_override,
2801 sizeof(RcOverride)*(i+1));
2802 video_enc->rc_override[i].start_frame= start;
2803 video_enc->rc_override[i].end_frame = end;
2804 if(q>0){
2805 video_enc->rc_override[i].qscale= q;
2806 video_enc->rc_override[i].quality_factor= 1.0;
2807 }
2808 else{
2809 video_enc->rc_override[i].qscale= 0;
2810 video_enc->rc_override[i].quality_factor= -q/100.0;
2811 }
2812 p= strchr(p, '/');
2813 if(p) p++;
2814 }
2815 video_enc->rc_override_count=i;
2816 if (!video_enc->rc_initial_buffer_occupancy)
2817 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
2818 video_enc->me_threshold= me_threshold;
2819 video_enc->intra_dc_precision= intra_dc_precision - 8;
2820 video_enc->strict_std_compliance = strict;
2821
2822 if (do_psnr)
2823 video_enc->flags|= CODEC_FLAG_PSNR;
2824
2825 video_enc->me_method = me_method;
2826
2827 /* two pass mode */
2828 if (do_pass) {
2829 if (do_pass == 1) {
2830 video_enc->flags |= CODEC_FLAG_PASS1;
2831 } else {
2832 video_enc->flags |= CODEC_FLAG_PASS2;
2833 }
2834 }
2835 }
2836
2837 /* reset some key parameters */
2838 video_disable = 0;
2839 video_codec_id = CODEC_ID_NONE;
2840 video_stream_copy = 0;
2841 }
2842
2843 static void new_audio_stream(AVFormatContext *oc)
2844 {
2845 AVStream *st;
2846 AVCodecContext *audio_enc;
2847 int codec_id, i;
2848
2849 st = av_new_stream(oc, oc->nb_streams);
2850 if (!st) {
2851 fprintf(stderr, "Could not alloc stream\n");
2852 exit(1);
2853 }
2854 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
2855
2856 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
2857 audio_bitstream_filters= NULL;
2858
2859 if(thread_count>1)
2860 avcodec_thread_init(st->codec, thread_count);
2861
2862 audio_enc = st->codec;
2863 audio_enc->codec_type = CODEC_TYPE_AUDIO;
2864 audio_enc->strict_std_compliance = strict;
2865
2866 if(audio_codec_tag)
2867 audio_enc->codec_tag= audio_codec_tag;
2868
2869 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
2870 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2871 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
2872 }
2873 if (audio_stream_copy) {
2874 st->stream_copy = 1;
2875 audio_enc->channels = audio_channels;
2876 } else {
2877 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
2878
2879 for(i=0; i<opt_name_count; i++){
2880 const AVOption *opt;
2881 double d= av_get_double(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt);
2882 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2883 av_set_double(audio_enc, opt_names[i], d);
2884 }
2885
2886 if (audio_codec_id != CODEC_ID_NONE)
2887 codec_id = audio_codec_id;
2888 audio_enc->codec_id = codec_id;
2889
2890 if (audio_qscale > QSCALE_NONE) {
2891 audio_enc->flags |= CODEC_FLAG_QSCALE;
2892 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
2893 }
2894 audio_enc->thread_count = thread_count;
2895 audio_enc->channels = audio_channels;
2896 }
2897 audio_enc->sample_rate = audio_sample_rate;
2898 audio_enc->time_base= (AVRational){1, audio_sample_rate};
2899 if (audio_language) {
2900 pstrcpy(st->language, sizeof(st->language), audio_language);
2901 av_free(audio_language);
2902 audio_language = NULL;
2903 }
2904
2905 /* reset some key parameters */
2906 audio_disable = 0;
2907 audio_codec_id = CODEC_ID_NONE;
2908 audio_stream_copy = 0;
2909 }
2910
2911 static void opt_new_subtitle_stream(void)
2912 {
2913 AVFormatContext *oc;
2914 AVStream *st;
2915 AVCodecContext *subtitle_enc;
2916 int i;
2917
2918 if (nb_output_files <= 0) {
2919 fprintf(stderr, "At least one output file must be specified\n");
2920 exit(1);
2921 }
2922 oc = output_files[nb_output_files - 1];
2923
2924 st = av_new_stream(oc, oc->nb_streams);
2925 if (!st) {
2926 fprintf(stderr, "Could not alloc stream\n");
2927 exit(1);
2928 }
2929 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
2930
2931 subtitle_enc = st->codec;
2932 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
2933 if (subtitle_stream_copy) {
2934 st->stream_copy = 1;
2935 } else {
2936 for(i=0; i<opt_name_count; i++){
2937 const AVOption *opt;
2938 double d= av_get_double(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt);
2939 if(d==d && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2940 av_set_double(subtitle_enc, opt_names[i], d);
2941 }
2942 subtitle_enc->codec_id = subtitle_codec_id;
2943 }
2944
2945 if (subtitle_language) {
2946 pstrcpy(st->language, sizeof(st->language), subtitle_language);
2947 av_free(subtitle_language);
2948 subtitle_language = NULL;
2949 }
2950
2951 subtitle_codec_id = CODEC_ID_NONE;
2952 subtitle_stream_copy = 0;
2953 }
2954
2955 static void opt_new_audio_stream(void)
2956 {
2957 AVFormatContext *oc;
2958 if (nb_output_files <= 0) {
2959 fprintf(stderr, "At least one output file must be specified\n");
2960 exit(1);
2961 }
2962 oc = output_files[nb_output_files - 1];
2963 new_audio_stream(oc);
2964 }
2965
2966 static void opt_new_video_stream(void)
2967 {
2968 AVFormatContext *oc;
2969 if (nb_output_files <= 0) {
2970 fprintf(stderr, "At least one output file must be specified\n");
2971 exit(1);
2972 }
2973 oc = output_files[nb_output_files - 1];
2974 new_video_stream(oc);
2975 }
2976
2977 static void opt_output_file(const char *filename)
2978 {
2979 AVFormatContext *oc;
2980 int use_video, use_audio, input_has_video, input_has_audio, i;
2981 AVFormatParameters params, *ap = &params;
2982
2983 if (!strcmp(filename, "-"))
2984 filename = "pipe:";
2985
2986 oc = av_alloc_format_context();
2987
2988 if (!file_oformat) {
2989 file_oformat = guess_format(NULL, filename, NULL);
2990 if (!file_oformat) {
2991 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
2992 filename);
2993 exit(1);
2994 }
2995 }
2996
2997 oc->oformat = file_oformat;
2998 pstrcpy(oc->filename, sizeof(oc->filename), filename);
2999
3000 if (!strcmp(file_oformat->name, "ffm") &&
3001 strstart(filename, "http:", NULL)) {
3002 /* special case for files sent to ffserver: we get the stream
3003 parameters from ffserver */
3004 if (read_ffserver_streams(oc, filename) < 0) {
3005 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3006 exit(1);
3007 }
3008 } else {
3009 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_id != CODEC_ID_NONE;
3010 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_id != CODEC_ID_NONE;
3011
3012 /* disable if no corresponding type found and at least one
3013 input file */
3014 if (nb_input_files > 0) {
3015 check_audio_video_inputs(&input_has_video, &input_has_audio);
3016 if (!input_has_video)
3017 use_video = 0;
3018 if (!input_has_audio)
3019 use_audio = 0;
3020 }
3021
3022 /* manual disable */
3023 if (audio_disable) {
3024 use_audio = 0;
3025 }
3026 if (video_disable) {
3027 use_video = 0;
3028 }
3029
3030 if (use_video) {
3031 new_video_stream(oc);
3032 }
3033
3034 if (use_audio) {
3035 new_audio_stream(oc);
3036 }
3037
3038 oc->timestamp = rec_timestamp;
3039
3040 if (str_title)
3041 pstrcpy(oc->title, sizeof(oc->title), str_title);
3042 if (str_author)
3043 pstrcpy(oc->author, sizeof(oc->author), str_author);
3044 if (str_copyright)
3045 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
3046 if (str_comment)
3047 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
3048 if (str_album)
3049 pstrcpy(oc->album, sizeof(oc->album), str_album);
3050 }
3051
3052 output_files[nb_output_files++] = oc;
3053
3054 /* check filename in case of an image number is expected */
3055 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3056 if (!av_filename_number_test(oc->filename)) {
3057 print_error(oc->filename, AVERROR_NUMEXPECTED);
3058 exit(1);
3059 }
3060 }
3061
3062 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3063 /* test if it already exists to avoid loosing precious files */
3064 if (!file_overwrite &&
3065 (strchr(filename, ':') == NULL ||
3066 strstart(filename, "file:", NULL))) {
3067 if (url_exist(filename)) {
3068 int c;
3069
3070 if ( !using_stdin ) {
3071 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3072 fflush(stderr);
3073 c = getchar();
3074 if (toupper(c) != 'Y') {
3075 fprintf(stderr, "Not overwriting - exiting\n");
3076 exit(1);
3077 }
3078 }
3079 else {
3080 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3081 exit(1);
3082 }
3083 }
3084 }
3085
3086 /* open the file */
3087 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3088 fprintf(stderr, "Could not open '%s'\n", filename);
3089 exit(1);
3090 }
3091 }
3092
3093 memset(ap, 0, sizeof(*ap));
3094 if (av_set_parameters(oc, ap) < 0) {
3095 fprintf(stderr, "%s: Invalid encoding parameters\n",
3096 oc->filename);
3097 exit(1);
3098 }
3099
3100 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3101 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3102 oc->loop_output = loop_output;
3103
3104 for(i=0; i<opt_name_count; i++){
3105 const AVOption *opt;
3106 double d = av_get_double(avformat_opts, opt_names[i], &opt);
3107 if(d==d && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3108 av_set_double(oc, opt_names[i], d);
3109 }
3110
3111 /* reset some options */
3112 file_oformat = NULL;
3113 file_iformat = NULL;
3114 }
3115
3116 /* same option as mencoder */
3117 static void opt_pass(const char *pass_str)
3118 {
3119 int pass;
3120 pass = atoi(pass_str);
3121 if (pass != 1 && pass != 2) {
3122 fprintf(stderr, "pass number can be only 1 or 2\n");
3123 exit(1);
3124 }
3125 do_pass = pass;
3126 }
3127
3128 #if defined(__MINGW32__) || defined(CONFIG_OS2)
3129 static int64_t getutime(void)
3130 {
3131 return av_gettime();
3132 }
3133 #else
3134 static int64_t getutime(void)
3135 {
3136 struct rusage rusage;
3137
3138 getrusage(RUSAGE_SELF, &rusage);
3139 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3140 }
3141 #endif
3142
3143 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3144 extern int ffm_nopts;
3145 #endif
3146
3147 static void show_formats(void)
3148 {
3149 AVInputFormat *ifmt;
3150 AVOutputFormat *ofmt;
3151 URLProtocol *up;
3152 AVCodec *p, *p2;
3153 const char **pp, *last_name;
3154
3155 printf("File formats:\n");
3156 last_name= "000";
3157 for(;;){
3158 int decode=0;
3159 int encode=0;
3160 const char *name=NULL;
3161 const char *long_name=NULL;
3162
3163 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3164 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3165 strcmp(ofmt->name, last_name)>0){
3166 name= ofmt->name;
3167 long_name= ofmt->long_name;
3168 encode=1;
3169 }
3170 }
3171 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3172 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3173 strcmp(ifmt->name, last_name)>0){
3174 name= ifmt->name;
3175 long_name= ifmt->long_name;
3176 encode=0;
3177 }
3178 if(name && strcmp(ifmt->name, name)==0)
3179 decode=1;
3180 }
3181 if(name==NULL)
3182 break;
3183 last_name= name;
3184
3185 printf(
3186 " %s%s %-15s %s\n",
3187 decode ? "D":" ",
3188 encode ? "E":" ",
3189 name,
3190 long_name ? long_name:" ");
3191 }
3192 printf("\n");
3193
3194 printf("Codecs:\n");
3195 last_name= "000";
3196 for(;;){
3197 int decode=0;
3198 int encode=0;
3199 int cap=0;
3200 const char *type_str;
3201
3202 p2=NULL;
3203 for(p = first_avcodec; p != NULL; p = p->next) {
3204 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3205 strcmp(p->name, last_name)>0){
3206 p2= p;
3207 decode= encode= cap=0;
3208 }
3209 if(p2 && strcmp(p->name, p2->name)==0){
3210 if(p->decode) decode=1;
3211 if(p->encode) encode=1;
3212 cap |= p->capabilities;
3213 }
3214 }
3215 if(p2==NULL)
3216 break;
3217 last_name= p2->name;
3218
3219 switch(p2->type) {
3220 case CODEC_TYPE_VIDEO:
3221 type_str = "V";
3222 break;
3223 case CODEC_TYPE_AUDIO:
3224 type_str = "A";
3225 break;
3226 case CODEC_TYPE_SUBTITLE:
3227 type_str = "S";
3228 break;
3229 default:
3230 type_str = "?";
3231 break;
3232 }
3233 printf(
3234 " %s%s%s%s%s%s %s",
3235 decode ? "D": (/*p2->decoder ? "d":*/" "),
3236 encode ? "E":" ",
3237 type_str,
3238 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3239 cap & CODEC_CAP_DR1 ? "D":" ",
3240 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3241 p2->name);
3242 /* if(p2->decoder && decode==0)
3243 printf(" use %s for decoding", p2->decoder->name);*/
3244 printf("\n");
3245 }
3246 printf("\n");
3247
3248 printf("Supported file protocols:\n");
3249 for(up = first_protocol; up != NULL