10l (fix reordering when B-frames are not present)
[libav.git] / ffmpeg.c
1 /*
2 * FFmpeg main
3 * Copyright (c) 2000-2003 Fabrice Bellard
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19 #define HAVE_AV_CONFIG_H
20 #include <limits.h>
21 #include "avformat.h"
22 #include "framehook.h"
23 #include "dsputil.h"
24
25 #ifndef CONFIG_WIN32
26 #include <unistd.h>
27 #include <fcntl.h>
28 #include <sys/ioctl.h>
29 #include <sys/time.h>
30 #include <termios.h>
31 #include <sys/resource.h>
32 #include <signal.h>
33 #endif
34 #ifdef CONFIG_OS2
35 #include <sys/types.h>
36 #include <sys/select.h>
37 #include <stdlib.h>
38 #endif
39 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
40 #include <time.h>
41
42 #include "cmdutils.h"
43
44 #undef NDEBUG
45 #include <assert.h>
46
47 #if !defined(INFINITY) && defined(HUGE_VAL)
48 #define INFINITY HUGE_VAL
49 #endif
50
51 /* select an input stream for an output stream */
52 typedef struct AVStreamMap {
53 int file_index;
54 int stream_index;
55 } AVStreamMap;
56
57 /** select an input file for an output file */
58 typedef struct AVMetaDataMap {
59 int out_file;
60 int in_file;
61 } AVMetaDataMap;
62
63 extern const OptionDef options[];
64
65 static void show_help(void);
66 static void show_license(void);
67
68 #define MAX_FILES 20
69
70 static AVFormatContext *input_files[MAX_FILES];
71 static int64_t input_files_ts_offset[MAX_FILES];
72 static int nb_input_files = 0;
73
74 static AVFormatContext *output_files[MAX_FILES];
75 static int nb_output_files = 0;
76
77 static AVStreamMap stream_maps[MAX_FILES];
78 static int nb_stream_maps;
79
80 static AVMetaDataMap meta_data_maps[MAX_FILES];
81 static int nb_meta_data_maps;
82
83 static AVInputFormat *file_iformat;
84 static AVOutputFormat *file_oformat;
85 static AVImageFormat *image_format;
86 static int frame_width = 0;
87 static int frame_height = 0;
88 static float frame_aspect_ratio = 0;
89 static enum PixelFormat frame_pix_fmt = PIX_FMT_YUV420P;
90 static int frame_padtop = 0;
91 static int frame_padbottom = 0;
92 static int frame_padleft = 0;
93 static int frame_padright = 0;
94 static int padcolor[3] = {16,128,128}; /* default to black */
95 static int frame_topBand = 0;
96 static int frame_bottomBand = 0;
97 static int frame_leftBand = 0;
98 static int frame_rightBand = 0;
99 static int max_frames[3] = {INT_MAX, INT_MAX, INT_MAX};
100 static int frame_rate = 25;
101 static int frame_rate_base = 1;
102 static int video_bit_rate = 200*1000;
103 static int video_bit_rate_tolerance = 4000*1000;
104 static float video_qscale = 0;
105 static int video_qmin = 2;
106 static int video_qmax = 31;
107 static int video_lmin = 2*FF_QP2LAMBDA;
108 static int video_lmax = 31*FF_QP2LAMBDA;
109 static int video_mb_lmin = 2*FF_QP2LAMBDA;
110 static int video_mb_lmax = 31*FF_QP2LAMBDA;
111 static int video_qdiff = 3;
112 static int video_lelim = 0;
113 static int video_celim = 0;
114 static float video_qblur = 0.5;
115 static float video_qsquish = 0.0;
116 static float video_qcomp = 0.5;
117 static uint16_t *intra_matrix = NULL;
118 static uint16_t *inter_matrix = NULL;
119 #if 0 //experimental, (can be removed)
120 static float video_rc_qsquish=1.0;
121 static float video_rc_qmod_amp=0;
122 static int video_rc_qmod_freq=0;
123 #endif
124 static char *video_rc_override_string=NULL;
125 static char *video_rc_eq="tex^qComp";
126 static int video_rc_buffer_size=0;
127 static float video_rc_buffer_aggressivity=1.0;
128 static int video_rc_max_rate=0;
129 static int video_rc_min_rate=0;
130 static float video_rc_initial_cplx=0;
131 static float video_b_qfactor = 1.25;
132 static float video_b_qoffset = 1.25;
133 static float video_i_qfactor = -0.8;
134 static float video_i_qoffset = 0.0;
135 static int video_intra_quant_bias= FF_DEFAULT_QUANT_BIAS;
136 static int video_inter_quant_bias= FF_DEFAULT_QUANT_BIAS;
137 static int me_method = ME_EPZS;
138 static int video_disable = 0;
139 static int video_codec_id = CODEC_ID_NONE;
140 static int video_codec_tag = 0;
141 static int same_quality = 0;
142 static int b_frames = 0;
143 static int mb_decision = FF_MB_DECISION_SIMPLE;
144 static int ildct_cmp = FF_CMP_VSAD;
145 static int mb_cmp = FF_CMP_SAD;
146 static int sub_cmp = FF_CMP_SAD;
147 static int cmp = FF_CMP_SAD;
148 static int pre_cmp = FF_CMP_SAD;
149 static int pre_me = 0;
150 static float lumi_mask = 0;
151 static float dark_mask = 0;
152 static float scplx_mask = 0;
153 static float tcplx_mask = 0;
154 static float p_mask = 0;
155 static int use_4mv = 0;
156 static int use_obmc = 0;
157 static int use_loop = 0;
158 static int use_aic = 0;
159 static int use_aiv = 0;
160 static int use_umv = 0;
161 static int use_ss = 0;
162 static int use_alt_scan = 0;
163 static int use_trell = 0;
164 static int use_scan_offset = 0;
165 static int use_qpel = 0;
166 static int use_qprd = 0;
167 static int use_cbprd = 0;
168 static int use_mv0 = 0;
169 static int do_normalize_aqp = 0;
170 static int qns = 0;
171 static int closed_gop = 0;
172 static int strict_gop = 0;
173 static int no_output = 0;
174 static int do_deinterlace = 0;
175 static int do_interlace_dct = 0;
176 static int do_interlace_me = 0;
177 static int workaround_bugs = FF_BUG_AUTODETECT;
178 static int error_resilience = 2;
179 static int error_concealment = 3;
180 static int dct_algo = 0;
181 static int idct_algo = 0;
182 static int use_part = 0;
183 static int packet_size = 0;
184 static int error_rate = 0;
185 static int strict = 0;
186 static int top_field_first = -1;
187 static int noise_reduction = 0;
188 static int sc_threshold = 0;
189 static int debug = 0;
190 static int debug_mv = 0;
191 static int me_threshold = 0;
192 static int mb_threshold = 0;
193 static int intra_dc_precision = 8;
194 static int coder = 0;
195 static int context = 0;
196 static int predictor = 0;
197 static int video_profile = FF_PROFILE_UNKNOWN;
198 static int video_level = FF_LEVEL_UNKNOWN;
199 static int nsse_weight = 8;
200 static int subpel_quality= 8;
201 static int lowres= 0;
202 static int frame_skip_threshold= 0;
203 static int frame_skip_factor= 0;
204 static int frame_skip_exp= 0;
205 static int frame_skip_cmp= FF_CMP_DCTMAX;
206 extern int loop_input; /* currently a hack */
207
208 static int gop_size = 12;
209 static int intra_only = 0;
210 static int audio_sample_rate = 44100;
211 static int audio_bit_rate = 64000;
212 static int audio_disable = 0;
213 static int audio_channels = 1;
214 static int audio_codec_id = CODEC_ID_NONE;
215 static int audio_codec_tag = 0;
216
217 static int mux_rate= 0;
218 static int mux_packet_size= 0;
219 static float mux_preload= 0.5;
220 static float mux_max_delay= 0.7;
221
222 static int64_t recording_time = 0;
223 static int64_t start_time = 0;
224 static int64_t rec_timestamp = 0;
225 static int64_t input_ts_offset = 0;
226 static int file_overwrite = 0;
227 static char *str_title = NULL;
228 static char *str_author = NULL;
229 static char *str_copyright = NULL;
230 static char *str_comment = NULL;
231 static int do_benchmark = 0;
232 static int do_hex_dump = 0;
233 static int do_pkt_dump = 0;
234 static int do_psnr = 0;
235 static int do_vstats = 0;
236 static int do_pass = 0;
237 static int bitexact = 0;
238 static char *pass_logfilename = NULL;
239 static int audio_stream_copy = 0;
240 static int video_stream_copy = 0;
241 static int video_sync_method= 1;
242 static int audio_sync_method= 0;
243 static int copy_ts= 0;
244
245 static int rate_emu = 0;
246
247 static char *video_grab_format = "video4linux";
248 static char *video_device = NULL;
249 static char *grab_device = NULL;
250 static int video_channel = 0;
251 static char *video_standard = "ntsc";
252
253 static char *audio_grab_format = "audio_device";
254 static char *audio_device = NULL;
255
256 static int using_stdin = 0;
257 static int using_vhook = 0;
258 static int verbose = 1;
259 static int thread_count= 1;
260 static int q_pressed = 0;
261 static int me_range = 0;
262 static int64_t video_size = 0;
263 static int64_t audio_size = 0;
264 static int64_t extra_size = 0;
265 static int nb_frames_dup = 0;
266 static int nb_frames_drop = 0;
267 static int input_sync;
268
269 static int pgmyuv_compatibility_hack=0;
270
271
272 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
273
274 typedef struct AVOutputStream {
275 int file_index; /* file index */
276 int index; /* stream index in the output file */
277 int source_index; /* AVInputStream index */
278 AVStream *st; /* stream in the output file */
279 int encoding_needed; /* true if encoding needed for this stream */
280 int frame_number;
281 /* input pts and corresponding output pts
282 for A/V sync */
283 double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
284 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
285 /* video only */
286 int video_resample; /* video_resample and video_crop are mutually exclusive */
287 AVFrame pict_tmp; /* temporary image for resampling */
288 ImgReSampleContext *img_resample_ctx; /* for image resampling */
289
290 int video_crop; /* video_resample and video_crop are mutually exclusive */
291 int topBand; /* cropping area sizes */
292 int leftBand;
293
294 int video_pad; /* video_resample and video_pad are mutually exclusive */
295 int padtop; /* padding area sizes */
296 int padbottom;
297 int padleft;
298 int padright;
299
300 /* audio only */
301 int audio_resample;
302 ReSampleContext *resample; /* for audio resampling */
303 FifoBuffer fifo; /* for compression: one audio fifo per codec */
304 FILE *logfile;
305 } AVOutputStream;
306
307 typedef struct AVInputStream {
308 int file_index;
309 int index;
310 AVStream *st;
311 int discard; /* true if stream data should be discarded */
312 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
313 int64_t sample_index; /* current sample */
314
315 int64_t start; /* time when read started */
316 unsigned long frame; /* current frame */
317 int64_t next_pts; /* synthetic pts for cases where pkt.pts
318 is not defined */
319 int64_t pts; /* current pts */
320 int is_start; /* is 1 at the start and after a discontinuity */
321 } AVInputStream;
322
323 typedef struct AVInputFile {
324 int eof_reached; /* true if eof reached */
325 int ist_index; /* index of first stream in ist_table */
326 int buffer_size; /* current total buffer size */
327 int buffer_size_max; /* buffer size at which we consider we can stop
328 buffering */
329 int nb_streams; /* nb streams we are aware of */
330 } AVInputFile;
331
332 #ifndef CONFIG_WIN32
333
334 /* init terminal so that we can grab keys */
335 static struct termios oldtty;
336
337 static void term_exit(void)
338 {
339 tcsetattr (0, TCSANOW, &oldtty);
340 }
341
342 static volatile sig_atomic_t received_sigterm = 0;
343
344 static void
345 sigterm_handler(int sig)
346 {
347 received_sigterm = sig;
348 term_exit();
349 }
350
351 static void term_init(void)
352 {
353 struct termios tty;
354
355 tcgetattr (0, &tty);
356 oldtty = tty;
357
358 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
359 |INLCR|IGNCR|ICRNL|IXON);
360 tty.c_oflag |= OPOST;
361 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
362 tty.c_cflag &= ~(CSIZE|PARENB);
363 tty.c_cflag |= CS8;
364 tty.c_cc[VMIN] = 1;
365 tty.c_cc[VTIME] = 0;
366
367 tcsetattr (0, TCSANOW, &tty);
368
369 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
370 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
371 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
372 /*
373 register a function to be called at normal program termination
374 */
375 atexit(term_exit);
376 #ifdef CONFIG_BEOS_NETSERVER
377 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
378 #endif
379 }
380
381 /* read a key without blocking */
382 static int read_key(void)
383 {
384 int n = 1;
385 unsigned char ch;
386 #ifndef CONFIG_BEOS_NETSERVER
387 struct timeval tv;
388 fd_set rfds;
389
390 FD_ZERO(&rfds);
391 FD_SET(0, &rfds);
392 tv.tv_sec = 0;
393 tv.tv_usec = 0;
394 n = select(1, &rfds, NULL, NULL, &tv);
395 #endif
396 if (n > 0) {
397 n = read(0, &ch, 1);
398 if (n == 1)
399 return ch;
400
401 return n;
402 }
403 return -1;
404 }
405
406 static int decode_interrupt_cb(void)
407 {
408 return q_pressed || (q_pressed = read_key() == 'q');
409 }
410
411 #else
412
413 static volatile int received_sigterm = 0;
414
415 /* no interactive support */
416 static void term_exit(void)
417 {
418 }
419
420 static void term_init(void)
421 {
422 }
423
424 static int read_key(void)
425 {
426 return 0;
427 }
428
429 #endif
430
431 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
432 {
433 int i, err;
434 AVFormatContext *ic;
435
436 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
437 if (err < 0)
438 return err;
439 /* copy stream format */
440 s->nb_streams = ic->nb_streams;
441 for(i=0;i<ic->nb_streams;i++) {
442 AVStream *st;
443
444 st = av_mallocz(sizeof(AVStream));
445 memcpy(st, ic->streams[i], sizeof(AVStream));
446 s->streams[i] = st;
447 }
448
449 av_close_input_file(ic);
450 return 0;
451 }
452
453 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
454
455 static void do_audio_out(AVFormatContext *s,
456 AVOutputStream *ost,
457 AVInputStream *ist,
458 unsigned char *buf, int size)
459 {
460 uint8_t *buftmp;
461 static uint8_t *audio_buf = NULL;
462 static uint8_t *audio_out = NULL;
463 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
464
465 int size_out, frame_bytes, ret;
466 AVCodecContext *enc= &ost->st->codec;
467
468 /* SC: dynamic allocation of buffers */
469 if (!audio_buf)
470 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
471 if (!audio_out)
472 audio_out = av_malloc(audio_out_size);
473 if (!audio_buf || !audio_out)
474 return; /* Should signal an error ! */
475
476 if(audio_sync_method){
477 double delta = ost->sync_ipts * enc->sample_rate - ost->sync_opts
478 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2);
479 double idelta= delta*ist->st->codec.sample_rate / enc->sample_rate;
480 int byte_delta= ((int)idelta)*2*ist->st->codec.channels;
481
482 //FIXME resample delay
483 if(fabs(delta) > 50){
484 if(ist->is_start){
485 if(byte_delta < 0){
486 byte_delta= FFMAX(byte_delta, -size);
487 size += byte_delta;
488 buf -= byte_delta;
489 if(verbose > 2)
490 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
491 if(!size)
492 return;
493 ist->is_start=0;
494 }else{
495 static uint8_t *input_tmp= NULL;
496 input_tmp= av_realloc(input_tmp, byte_delta + size);
497
498 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
499 ist->is_start=0;
500 else
501 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
502
503 memset(input_tmp, 0, byte_delta);
504 memcpy(input_tmp + byte_delta, buf, size);
505 buf= input_tmp;
506 size += byte_delta;
507 if(verbose > 2)
508 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
509 }
510 }else if(audio_sync_method>1){
511 int comp= clip(delta, -audio_sync_method, audio_sync_method);
512 assert(ost->audio_resample);
513 if(verbose > 2)
514 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
515 // fprintf(stderr, "drift:%f len:%d opts:%lld ipts:%lld fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(ost->sync_ipts * enc->sample_rate), fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2));
516 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
517 }
518 }
519 }else
520 ost->sync_opts= lrintf(ost->sync_ipts * enc->sample_rate)
521 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2); //FIXME wrong
522
523 if (ost->audio_resample) {
524 buftmp = audio_buf;
525 size_out = audio_resample(ost->resample,
526 (short *)buftmp, (short *)buf,
527 size / (ist->st->codec.channels * 2));
528 size_out = size_out * enc->channels * 2;
529 } else {
530 buftmp = buf;
531 size_out = size;
532 }
533
534 /* now encode as many frames as possible */
535 if (enc->frame_size > 1) {
536 /* output resampled raw samples */
537 fifo_write(&ost->fifo, buftmp, size_out,
538 &ost->fifo.wptr);
539
540 frame_bytes = enc->frame_size * 2 * enc->channels;
541
542 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
543 &ost->fifo.rptr) == 0) {
544 AVPacket pkt;
545 av_init_packet(&pkt);
546
547 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
548 (short *)audio_buf);
549 audio_size += ret;
550 pkt.stream_index= ost->index;
551 pkt.data= audio_out;
552 pkt.size= ret;
553 if(enc->coded_frame)
554 pkt.pts= enc->coded_frame->pts;
555 pkt.flags |= PKT_FLAG_KEY;
556 av_interleaved_write_frame(s, &pkt);
557
558 ost->sync_opts += enc->frame_size;
559 }
560 } else {
561 AVPacket pkt;
562 av_init_packet(&pkt);
563
564 ost->sync_opts += size_out / (2 * enc->channels);
565
566 /* output a pcm frame */
567 /* XXX: change encoding codec API to avoid this ? */
568 switch(enc->codec->id) {
569 case CODEC_ID_PCM_S16LE:
570 case CODEC_ID_PCM_S16BE:
571 case CODEC_ID_PCM_U16LE:
572 case CODEC_ID_PCM_U16BE:
573 break;
574 default:
575 size_out = size_out >> 1;
576 break;
577 }
578 ret = avcodec_encode_audio(enc, audio_out, size_out,
579 (short *)buftmp);
580 audio_size += ret;
581 pkt.stream_index= ost->index;
582 pkt.data= audio_out;
583 pkt.size= ret;
584 if(enc->coded_frame)
585 pkt.pts= enc->coded_frame->pts;
586 pkt.flags |= PKT_FLAG_KEY;
587 av_interleaved_write_frame(s, &pkt);
588 }
589 }
590
591 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
592 {
593 AVCodecContext *dec;
594 AVPicture *picture2;
595 AVPicture picture_tmp;
596 uint8_t *buf = 0;
597
598 dec = &ist->st->codec;
599
600 /* deinterlace : must be done before any resize */
601 if (do_deinterlace || using_vhook) {
602 int size;
603
604 /* create temporary picture */
605 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
606 buf = av_malloc(size);
607 if (!buf)
608 return;
609
610 picture2 = &picture_tmp;
611 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
612
613 if (do_deinterlace){
614 if(avpicture_deinterlace(picture2, picture,
615 dec->pix_fmt, dec->width, dec->height) < 0) {
616 /* if error, do not deinterlace */
617 av_free(buf);
618 buf = NULL;
619 picture2 = picture;
620 }
621 } else {
622 if (img_convert(picture2, dec->pix_fmt, picture,
623 dec->pix_fmt, dec->width, dec->height) < 0) {
624 /* if error, do not copy */
625 av_free(buf);
626 buf = NULL;
627 picture2 = picture;
628 }
629 }
630 } else {
631 picture2 = picture;
632 }
633
634 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
635
636 if (picture != picture2)
637 *picture = *picture2;
638 *bufp = buf;
639 }
640
641 /* we begin to correct av delay at this threshold */
642 #define AV_DELAY_MAX 0.100
643
644
645 /* Expects img to be yuv420 */
646 static void fill_pad_region(AVPicture* img, int height, int width,
647 int padtop, int padbottom, int padleft, int padright, int *color) {
648
649 int i, y, shift;
650 uint8_t *optr;
651
652 for (i = 0; i < 3; i++) {
653 shift = (i == 0) ? 0 : 1;
654
655 if (padtop || padleft) {
656 memset(img->data[i], color[i], (((img->linesize[i] * padtop) +
657 padleft) >> shift));
658 }
659
660 if (padleft || padright) {
661 optr = img->data[i] + (img->linesize[i] * (padtop >> shift)) +
662 (img->linesize[i] - (padright >> shift));
663
664 for (y = 0; y < ((height - (padtop + padbottom) - 1) >> shift); y++) {
665 memset(optr, color[i], (padleft + padright) >> shift);
666 optr += img->linesize[i];
667 }
668 }
669
670 if (padbottom || padright) {
671 optr = img->data[i] + (((img->linesize[i] * (height - padbottom)) - padright) >> shift);
672 memset(optr, color[i], (((img->linesize[i] * padbottom) + padright) >> shift));
673 }
674 }
675 }
676
677 static int bit_buffer_size= 1024*256;
678 static uint8_t *bit_buffer= NULL;
679
680 static void do_video_out(AVFormatContext *s,
681 AVOutputStream *ost,
682 AVInputStream *ist,
683 AVFrame *in_picture,
684 int *frame_size)
685 {
686 int nb_frames, i, ret;
687 AVFrame *final_picture, *formatted_picture;
688 AVFrame picture_format_temp, picture_crop_temp;
689 uint8_t *buf = NULL, *buf1 = NULL;
690 AVCodecContext *enc, *dec;
691 enum PixelFormat target_pixfmt;
692
693 avcodec_get_frame_defaults(&picture_format_temp);
694 avcodec_get_frame_defaults(&picture_crop_temp);
695
696 enc = &ost->st->codec;
697 dec = &ist->st->codec;
698
699 /* by default, we output a single frame */
700 nb_frames = 1;
701
702 *frame_size = 0;
703
704 if(video_sync_method){
705 double vdelta;
706 vdelta = ost->sync_ipts * enc->frame_rate / enc->frame_rate_base - ost->sync_opts;
707 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
708 if (vdelta < -1.1)
709 nb_frames = 0;
710 else if (vdelta > 1.1)
711 nb_frames = lrintf(vdelta);
712 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%lld, ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, ost->sync_ipts, nb_frames);
713 if (nb_frames == 0){
714 ++nb_frames_drop;
715 if (verbose>2)
716 fprintf(stderr, "*** drop!\n");
717 }else if (nb_frames > 1) {
718 nb_frames_dup += nb_frames;
719 if (verbose>2)
720 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
721 }
722 }else
723 ost->sync_opts= lrintf(ost->sync_ipts * enc->frame_rate / enc->frame_rate_base);
724
725 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
726 if (nb_frames <= 0)
727 return;
728
729 /* convert pixel format if needed */
730 target_pixfmt = ost->video_resample || ost->video_pad
731 ? PIX_FMT_YUV420P : enc->pix_fmt;
732 if (dec->pix_fmt != target_pixfmt) {
733 int size;
734
735 /* create temporary picture */
736 size = avpicture_get_size(target_pixfmt, dec->width, dec->height);
737 buf = av_malloc(size);
738 if (!buf)
739 return;
740 formatted_picture = &picture_format_temp;
741 avpicture_fill((AVPicture*)formatted_picture, buf, target_pixfmt, dec->width, dec->height);
742
743 if (img_convert((AVPicture*)formatted_picture, target_pixfmt,
744 (AVPicture *)in_picture, dec->pix_fmt,
745 dec->width, dec->height) < 0) {
746
747 if (verbose >= 0)
748 fprintf(stderr, "pixel format conversion not handled\n");
749
750 goto the_end;
751 }
752 } else {
753 formatted_picture = in_picture;
754 }
755
756 /* XXX: resampling could be done before raw format conversion in
757 some cases to go faster */
758 /* XXX: only works for YUV420P */
759 if (ost->video_resample) {
760 final_picture = &ost->pict_tmp;
761 img_resample(ost->img_resample_ctx, (AVPicture*)final_picture, (AVPicture*)formatted_picture);
762
763 if (ost->padtop || ost->padbottom || ost->padleft || ost->padright) {
764 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
765 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
766 padcolor);
767 }
768
769 if (enc->pix_fmt != PIX_FMT_YUV420P) {
770 int size;
771
772 av_free(buf);
773 /* create temporary picture */
774 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
775 buf = av_malloc(size);
776 if (!buf)
777 return;
778 final_picture = &picture_format_temp;
779 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
780
781 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
782 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
783 enc->width, enc->height) < 0) {
784
785 if (verbose >= 0)
786 fprintf(stderr, "pixel format conversion not handled\n");
787
788 goto the_end;
789 }
790 }
791 } else if (ost->video_crop) {
792 picture_crop_temp.data[0] = formatted_picture->data[0] +
793 (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
794
795 picture_crop_temp.data[1] = formatted_picture->data[1] +
796 ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
797 (ost->leftBand >> 1);
798
799 picture_crop_temp.data[2] = formatted_picture->data[2] +
800 ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
801 (ost->leftBand >> 1);
802
803 picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
804 picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
805 picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
806 final_picture = &picture_crop_temp;
807 } else if (ost->video_pad) {
808 final_picture = &ost->pict_tmp;
809
810 for (i = 0; i < 3; i++) {
811 uint8_t *optr, *iptr;
812 int shift = (i == 0) ? 0 : 1;
813 int y, yheight;
814
815 /* set offset to start writing image into */
816 optr = final_picture->data[i] + (((final_picture->linesize[i] *
817 ost->padtop) + ost->padleft) >> shift);
818 iptr = formatted_picture->data[i];
819
820 yheight = (enc->height - ost->padtop - ost->padbottom) >> shift;
821 for (y = 0; y < yheight; y++) {
822 /* copy unpadded image row into padded image row */
823 memcpy(optr, iptr, formatted_picture->linesize[i]);
824 optr += final_picture->linesize[i];
825 iptr += formatted_picture->linesize[i];
826 }
827 }
828
829 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
830 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
831 padcolor);
832
833 if (enc->pix_fmt != PIX_FMT_YUV420P) {
834 int size;
835
836 av_free(buf);
837 /* create temporary picture */
838 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
839 buf = av_malloc(size);
840 if (!buf)
841 return;
842 final_picture = &picture_format_temp;
843 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
844
845 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
846 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
847 enc->width, enc->height) < 0) {
848
849 if (verbose >= 0)
850 fprintf(stderr, "pixel format conversion not handled\n");
851
852 goto the_end;
853 }
854 }
855 } else {
856 final_picture = formatted_picture;
857 }
858 /* duplicates frame if needed */
859 for(i=0;i<nb_frames;i++) {
860 AVPacket pkt;
861 av_init_packet(&pkt);
862 pkt.stream_index= ost->index;
863
864 if (s->oformat->flags & AVFMT_RAWPICTURE) {
865 /* raw pictures are written as AVPicture structure to
866 avoid any copies. We support temorarily the older
867 method. */
868 AVFrame* old_frame = enc->coded_frame;
869 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
870 pkt.data= (uint8_t *)final_picture;
871 pkt.size= sizeof(AVPicture);
872 if(dec->coded_frame)
873 pkt.pts= dec->coded_frame->pts;
874 if(dec->coded_frame && dec->coded_frame->key_frame)
875 pkt.flags |= PKT_FLAG_KEY;
876
877 av_interleaved_write_frame(s, &pkt);
878 enc->coded_frame = old_frame;
879 } else {
880 AVFrame big_picture;
881
882 big_picture= *final_picture;
883 /* better than nothing: use input picture interlaced
884 settings */
885 big_picture.interlaced_frame = in_picture->interlaced_frame;
886 if(do_interlace_me || do_interlace_dct){
887 if(top_field_first == -1)
888 big_picture.top_field_first = in_picture->top_field_first;
889 else
890 big_picture.top_field_first = top_field_first;
891 }
892
893 /* handles sameq here. This is not correct because it may
894 not be a global option */
895 if (same_quality) {
896 big_picture.quality = ist->st->quality;
897 }else
898 big_picture.quality = ost->st->quality;
899 if(!me_threshold)
900 big_picture.pict_type = 0;
901 // big_picture.pts = AV_NOPTS_VALUE;
902 big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->frame_rate_base, enc->frame_rate);
903 //av_log(NULL, AV_LOG_DEBUG, "%lld -> encoder\n", ost->sync_opts);
904 ret = avcodec_encode_video(enc,
905 bit_buffer, bit_buffer_size,
906 &big_picture);
907 //enc->frame_number = enc->real_pict_num;
908 if(ret>0){
909 pkt.data= bit_buffer;
910 pkt.size= ret;
911 if(enc->coded_frame)
912 pkt.pts= enc->coded_frame->pts;
913 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %lld/%lld\n",
914 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->frame_rate, AV_TIME_BASE*(int64_t)enc->frame_rate_base) : -1,
915 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->frame_rate, AV_TIME_BASE*(int64_t)enc->frame_rate_base) : -1);*/
916
917 if(enc->coded_frame && enc->coded_frame->key_frame)
918 pkt.flags |= PKT_FLAG_KEY;
919 av_interleaved_write_frame(s, &pkt);
920 *frame_size = ret;
921 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
922 // enc->frame_number-1, enc->real_pict_num, ret,
923 // enc->pict_type);
924 /* if two pass, output log */
925 if (ost->logfile && enc->stats_out) {
926 fprintf(ost->logfile, "%s", enc->stats_out);
927 }
928 }
929 }
930 ost->sync_opts++;
931 ost->frame_number++;
932 }
933 the_end:
934 av_free(buf);
935 av_free(buf1);
936 }
937
938 static double psnr(double d){
939 if(d==0) return INFINITY;
940 return -10.0*log(d)/log(10.0);
941 }
942
943 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
944 int frame_size)
945 {
946 static FILE *fvstats=NULL;
947 char filename[40];
948 time_t today2;
949 struct tm *today;
950 AVCodecContext *enc;
951 int frame_number;
952 int64_t ti;
953 double ti1, bitrate, avg_bitrate;
954
955 if (!fvstats) {
956 today2 = time(NULL);
957 today = localtime(&today2);
958 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour,
959 today->tm_min,
960 today->tm_sec);
961 fvstats = fopen(filename,"w");
962 if (!fvstats) {
963 perror("fopen");
964 exit(1);
965 }
966 }
967
968 ti = MAXINT64;
969 enc = &ost->st->codec;
970 if (enc->codec_type == CODEC_TYPE_VIDEO) {
971 frame_number = ost->frame_number;
972 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
973 if (enc->flags&CODEC_FLAG_PSNR)
974 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
975
976 fprintf(fvstats,"f_size= %6d ", frame_size);
977 /* compute pts value */
978 ti1 = (double)ost->sync_opts *enc->frame_rate_base / enc->frame_rate;
979 if (ti1 < 0.01)
980 ti1 = 0.01;
981
982 bitrate = (double)(frame_size * 8) * enc->frame_rate / enc->frame_rate_base / 1000.0;
983 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
984 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
985 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
986 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
987 }
988 }
989
990 static void print_report(AVFormatContext **output_files,
991 AVOutputStream **ost_table, int nb_ostreams,
992 int is_last_report)
993 {
994 char buf[1024];
995 AVOutputStream *ost;
996 AVFormatContext *oc, *os;
997 int64_t total_size;
998 AVCodecContext *enc;
999 int frame_number, vid, i;
1000 double bitrate, ti1, pts;
1001 static int64_t last_time = -1;
1002
1003 if (!is_last_report) {
1004 int64_t cur_time;
1005 /* display the report every 0.5 seconds */
1006 cur_time = av_gettime();
1007 if (last_time == -1) {
1008 last_time = cur_time;
1009 return;
1010 }
1011 if ((cur_time - last_time) < 500000)
1012 return;
1013 last_time = cur_time;
1014 }
1015
1016
1017 oc = output_files[0];
1018
1019 total_size = url_ftell(&oc->pb);
1020
1021 buf[0] = '\0';
1022 ti1 = 1e10;
1023 vid = 0;
1024 for(i=0;i<nb_ostreams;i++) {
1025 ost = ost_table[i];
1026 os = output_files[ost->file_index];
1027 enc = &ost->st->codec;
1028 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1029 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1030 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1031 }
1032 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1033 frame_number = ost->frame_number;
1034 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d q=%2.1f ",
1035 frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : 0);
1036 if(is_last_report)
1037 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1038 if (enc->flags&CODEC_FLAG_PSNR){
1039 int j;
1040 double error, error_sum=0;
1041 double scale, scale_sum=0;
1042 char type[3]= {'Y','U','V'};
1043 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1044 for(j=0; j<3; j++){
1045 if(is_last_report){
1046 error= enc->error[j];
1047 scale= enc->width*enc->height*255.0*255.0*frame_number;
1048 }else{
1049 error= enc->coded_frame->error[j];
1050 scale= enc->width*enc->height*255.0*255.0;
1051 }
1052 if(j) scale/=4;
1053 error_sum += error;
1054 scale_sum += scale;
1055 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1056 }
1057 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1058 }
1059 vid = 1;
1060 }
1061 /* compute min output value */
1062 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1063 if ((pts < ti1) && (pts > 0))
1064 ti1 = pts;
1065 }
1066 if (ti1 < 0.01)
1067 ti1 = 0.01;
1068
1069 if (verbose || is_last_report) {
1070 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1071
1072 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1073 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1074 (double)total_size / 1024, ti1, bitrate);
1075
1076 if (verbose > 1)
1077 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1078 nb_frames_dup, nb_frames_drop);
1079
1080 if (verbose >= 0)
1081 fprintf(stderr, "%s \r", buf);
1082
1083 fflush(stderr);
1084 }
1085
1086 if (is_last_report && verbose >= 0){
1087 int64_t raw= audio_size + video_size + extra_size;
1088 fprintf(stderr, "\n");
1089 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1090 video_size/1024.0,
1091 audio_size/1024.0,
1092 extra_size/1024.0,
1093 100.0*(total_size - raw)/raw
1094 );
1095 }
1096 }
1097
1098 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1099 static int output_packet(AVInputStream *ist, int ist_index,
1100 AVOutputStream **ost_table, int nb_ostreams,
1101 const AVPacket *pkt)
1102 {
1103 AVFormatContext *os;
1104 AVOutputStream *ost;
1105 uint8_t *ptr;
1106 int len, ret, i;
1107 uint8_t *data_buf;
1108 int data_size, got_picture;
1109 AVFrame picture;
1110 void *buffer_to_free;
1111 static int samples_size= 0;
1112 static short *samples= NULL;
1113
1114 if(!pkt){
1115 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1116 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1117 ist->next_pts = ist->pts = pkt->dts;
1118 } else {
1119 // assert(ist->pts == ist->next_pts);
1120 }
1121
1122 if (pkt == NULL) {
1123 /* EOF handling */
1124 ptr = NULL;
1125 len = 0;
1126 goto handle_eof;
1127 }
1128
1129 len = pkt->size;
1130 ptr = pkt->data;
1131 while (len > 0) {
1132 handle_eof:
1133 /* decode the packet if needed */
1134 data_buf = NULL; /* fail safe */
1135 data_size = 0;
1136 if (ist->decoding_needed) {
1137 switch(ist->st->codec.codec_type) {
1138 case CODEC_TYPE_AUDIO:{
1139 if(pkt)
1140 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size, AVCODEC_MAX_AUDIO_FRAME_SIZE));
1141 /* XXX: could avoid copy if PCM 16 bits with same
1142 endianness as CPU */
1143 ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
1144 ptr, len);
1145 if (ret < 0)
1146 goto fail_decode;
1147 ptr += ret;
1148 len -= ret;
1149 /* Some bug in mpeg audio decoder gives */
1150 /* data_size < 0, it seems they are overflows */
1151 if (data_size <= 0) {
1152 /* no audio frame */
1153 continue;
1154 }
1155 data_buf = (uint8_t *)samples;
1156 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1157 (ist->st->codec.sample_rate * ist->st->codec.channels);
1158 break;}
1159 case CODEC_TYPE_VIDEO:
1160 data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
1161 /* XXX: allocate picture correctly */
1162 avcodec_get_frame_defaults(&picture);
1163
1164 ret = avcodec_decode_video(&ist->st->codec,
1165 &picture, &got_picture, ptr, len);
1166 ist->st->quality= picture.quality;
1167 if (ret < 0)
1168 goto fail_decode;
1169 if (!got_picture) {
1170 /* no picture yet */
1171 goto discard_packet;
1172 }
1173 if (ist->st->codec.frame_rate_base != 0) {
1174 ist->next_pts += ((int64_t)AV_TIME_BASE *
1175 ist->st->codec.frame_rate_base) /
1176 ist->st->codec.frame_rate;
1177 }
1178 len = 0;
1179 break;
1180 default:
1181 goto fail_decode;
1182 }
1183 } else {
1184 switch(ist->st->codec.codec_type) {
1185 case CODEC_TYPE_AUDIO:
1186 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec.frame_size) /
1187 (ist->st->codec.sample_rate * ist->st->codec.channels);
1188 break;
1189 case CODEC_TYPE_VIDEO:
1190 if (ist->st->codec.frame_rate_base != 0) {
1191 ist->next_pts += ((int64_t)AV_TIME_BASE *
1192 ist->st->codec.frame_rate_base) /
1193 ist->st->codec.frame_rate;
1194 }
1195 break;
1196 }
1197 data_buf = ptr;
1198 data_size = len;
1199 ret = len;
1200 len = 0;
1201 }
1202
1203 buffer_to_free = NULL;
1204 if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1205 pre_process_video_frame(ist, (AVPicture *)&picture,
1206 &buffer_to_free);
1207 }
1208
1209 /* frame rate emulation */
1210 if (ist->st->codec.rate_emu) {
1211 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec.frame_rate_base, 1000000, ist->st->codec.frame_rate);
1212 int64_t now = av_gettime() - ist->start;
1213 if (pts > now)
1214 usleep(pts - now);
1215
1216 ist->frame++;
1217 }
1218
1219 #if 0
1220 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1221 is the one of the next displayed one */
1222 /* XXX: add mpeg4 too ? */
1223 if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
1224 if (ist->st->codec.pict_type != B_TYPE) {
1225 int64_t tmp;
1226 tmp = ist->last_ip_pts;
1227 ist->last_ip_pts = ist->frac_pts.val;
1228 ist->frac_pts.val = tmp;
1229 }
1230 }
1231 #endif
1232 /* if output time reached then transcode raw format,
1233 encode packets and output them */
1234 if (start_time == 0 || ist->pts >= start_time)
1235 for(i=0;i<nb_ostreams;i++) {
1236 int frame_size;
1237
1238 ost = ost_table[i];
1239 if (ost->source_index == ist_index) {
1240 os = output_files[ost->file_index];
1241
1242 #if 0
1243 printf("%d: got pts=%0.3f %0.3f\n", i,
1244 (double)pkt->pts / AV_TIME_BASE,
1245 ((double)ist->pts / AV_TIME_BASE) -
1246 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1247 #endif
1248 /* set the input output pts pairs */
1249 ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index])/ AV_TIME_BASE;
1250
1251 if (ost->encoding_needed) {
1252 switch(ost->st->codec.codec_type) {
1253 case CODEC_TYPE_AUDIO:
1254 do_audio_out(os, ost, ist, data_buf, data_size);
1255 break;
1256 case CODEC_TYPE_VIDEO:
1257 do_video_out(os, ost, ist, &picture, &frame_size);
1258 video_size += frame_size;
1259 if (do_vstats && frame_size)
1260 do_video_stats(os, ost, frame_size);
1261 break;
1262 default:
1263 av_abort();
1264 }
1265 } else {
1266 AVFrame avframe; //FIXME/XXX remove this
1267 AVPacket opkt;
1268 av_init_packet(&opkt);
1269
1270 /* no reencoding needed : output the packet directly */
1271 /* force the input stream PTS */
1272
1273 avcodec_get_frame_defaults(&avframe);
1274 ost->st->codec.coded_frame= &avframe;
1275 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1276
1277 if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO)
1278 audio_size += data_size;
1279 else if (ost->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1280 video_size += data_size;
1281 ost->sync_opts++;
1282 }
1283
1284 opkt.stream_index= ost->index;
1285 opkt.data= data_buf;
1286 opkt.size= data_size;
1287 if(pkt->pts != AV_NOPTS_VALUE)
1288 opkt.pts= pkt->pts + input_files_ts_offset[ist->file_index];
1289 else
1290 opkt.pts= AV_NOPTS_VALUE;
1291 opkt.dts= pkt->dts + input_files_ts_offset[ist->file_index];
1292 opkt.flags= pkt->flags;
1293
1294 av_interleaved_write_frame(os, &opkt);
1295 ost->st->codec.frame_number++;
1296 ost->frame_number++;
1297 }
1298 }
1299 }
1300 av_free(buffer_to_free);
1301 }
1302 discard_packet:
1303 if (pkt == NULL) {
1304 /* EOF handling */
1305
1306 for(i=0;i<nb_ostreams;i++) {
1307 ost = ost_table[i];
1308 if (ost->source_index == ist_index) {
1309 AVCodecContext *enc= &ost->st->codec;
1310 os = output_files[ost->file_index];
1311
1312 if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1313 continue;
1314 if(ost->st->codec.codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1315 continue;
1316
1317 if (ost->encoding_needed) {
1318 for(;;) {
1319 AVPacket pkt;
1320 av_init_packet(&pkt);
1321 pkt.stream_index= ost->index;
1322
1323 switch(ost->st->codec.codec_type) {
1324 case CODEC_TYPE_AUDIO:
1325 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1326 audio_size += ret;
1327 pkt.flags |= PKT_FLAG_KEY;
1328 break;
1329 case CODEC_TYPE_VIDEO:
1330 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1331 video_size += ret;
1332 if(enc->coded_frame && enc->coded_frame->key_frame)
1333 pkt.flags |= PKT_FLAG_KEY;
1334 if (ost->logfile && enc->stats_out) {
1335 fprintf(ost->logfile, "%s", enc->stats_out);
1336 }
1337 break;
1338 default:
1339 ret=-1;
1340 }
1341
1342 if(ret<=0)
1343 break;
1344 pkt.data= bit_buffer;
1345 pkt.size= ret;
1346 if(enc->coded_frame)
1347 pkt.pts= enc->coded_frame->pts;
1348 av_interleaved_write_frame(os, &pkt);
1349 }
1350 }
1351 }
1352 }
1353 }
1354
1355 return 0;
1356 fail_decode:
1357 return -1;
1358 }
1359
1360
1361 /*
1362 * The following code is the main loop of the file converter
1363 */
1364 static int av_encode(AVFormatContext **output_files,
1365 int nb_output_files,
1366 AVFormatContext **input_files,
1367 int nb_input_files,
1368 AVStreamMap *stream_maps, int nb_stream_maps)
1369 {
1370 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1371 AVFormatContext *is, *os;
1372 AVCodecContext *codec, *icodec;
1373 AVOutputStream *ost, **ost_table = NULL;
1374 AVInputStream *ist, **ist_table = NULL;
1375 AVInputFile *file_table;
1376 AVFormatContext *stream_no_data;
1377 int key;
1378
1379 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1380 if (!file_table)
1381 goto fail;
1382
1383 /* input stream init */
1384 j = 0;
1385 for(i=0;i<nb_input_files;i++) {
1386 is = input_files[i];
1387 file_table[i].ist_index = j;
1388 file_table[i].nb_streams = is->nb_streams;
1389 j += is->nb_streams;
1390 }
1391 nb_istreams = j;
1392
1393 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1394 if (!ist_table)
1395 goto fail;
1396
1397 for(i=0;i<nb_istreams;i++) {
1398 ist = av_mallocz(sizeof(AVInputStream));
1399 if (!ist)
1400 goto fail;
1401 ist_table[i] = ist;
1402 }
1403 j = 0;
1404 for(i=0;i<nb_input_files;i++) {
1405 is = input_files[i];
1406 for(k=0;k<is->nb_streams;k++) {
1407 ist = ist_table[j++];
1408 ist->st = is->streams[k];
1409 ist->file_index = i;
1410 ist->index = k;
1411 ist->discard = 1; /* the stream is discarded by default
1412 (changed later) */
1413
1414 if (ist->st->codec.rate_emu) {
1415 ist->start = av_gettime();
1416 ist->frame = 0;
1417 }
1418 }
1419 }
1420
1421 /* output stream init */
1422 nb_ostreams = 0;
1423 for(i=0;i<nb_output_files;i++) {
1424 os = output_files[i];
1425 nb_ostreams += os->nb_streams;
1426 }
1427 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1428 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1429 exit(1);
1430 }
1431
1432 /* Sanity check the mapping args -- do the input files & streams exist? */
1433 for(i=0;i<nb_stream_maps;i++) {
1434 int fi = stream_maps[i].file_index;
1435 int si = stream_maps[i].stream_index;
1436
1437 if (fi < 0 || fi > nb_input_files - 1 ||
1438 si < 0 || si > file_table[fi].nb_streams - 1) {
1439 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1440 exit(1);
1441 }
1442 }
1443
1444 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1445 if (!ost_table)
1446 goto fail;
1447 for(i=0;i<nb_ostreams;i++) {
1448 ost = av_mallocz(sizeof(AVOutputStream));
1449 if (!ost)
1450 goto fail;
1451 ost_table[i] = ost;
1452 }
1453
1454 n = 0;
1455 for(k=0;k<nb_output_files;k++) {
1456 os = output_files[k];
1457 for(i=0;i<os->nb_streams;i++) {
1458 int found;
1459 ost = ost_table[n++];
1460 ost->file_index = k;
1461 ost->index = i;
1462 ost->st = os->streams[i];
1463 if (nb_stream_maps > 0) {
1464 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1465 stream_maps[n-1].stream_index;
1466
1467 /* Sanity check that the stream types match */
1468 if (ist_table[ost->source_index]->st->codec.codec_type != ost->st->codec.codec_type) {
1469 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1470 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1471 ost->file_index, ost->index);
1472 exit(1);
1473 }
1474
1475 } else {
1476 /* get corresponding input stream index : we select the first one with the right type */
1477 found = 0;
1478 for(j=0;j<nb_istreams;j++) {
1479 ist = ist_table[j];
1480 if (ist->discard &&
1481 ist->st->codec.codec_type == ost->st->codec.codec_type) {
1482 ost->source_index = j;
1483 found = 1;
1484 break;
1485 }
1486 }
1487
1488 if (!found) {
1489 /* try again and reuse existing stream */
1490 for(j=0;j<nb_istreams;j++) {
1491 ist = ist_table[j];
1492 if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
1493 ost->source_index = j;
1494 found = 1;
1495 }
1496 }
1497 if (!found) {
1498 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1499 ost->file_index, ost->index);
1500 exit(1);
1501 }
1502 }
1503 }
1504 ist = ist_table[ost->source_index];
1505 ist->discard = 0;
1506 }
1507 }
1508
1509 /* for each output stream, we compute the right encoding parameters */
1510 for(i=0;i<nb_ostreams;i++) {
1511 ost = ost_table[i];
1512 ist = ist_table[ost->source_index];
1513
1514 codec = &ost->st->codec;
1515 icodec = &ist->st->codec;
1516
1517 if (ost->st->stream_copy) {
1518 /* if stream_copy is selected, no need to decode or encode */
1519 codec->codec_id = icodec->codec_id;
1520 codec->codec_type = icodec->codec_type;
1521 if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1522 codec->bit_rate = icodec->bit_rate;
1523 switch(codec->codec_type) {
1524 case CODEC_TYPE_AUDIO:
1525 codec->sample_rate = icodec->sample_rate;
1526 codec->channels = icodec->channels;
1527 codec->frame_size = icodec->frame_size;
1528 codec->block_align= icodec->block_align;
1529 break;
1530 case CODEC_TYPE_VIDEO:
1531 codec->frame_rate = icodec->frame_rate;
1532 codec->frame_rate_base = icodec->frame_rate_base;
1533 codec->width = icodec->width;
1534 codec->height = icodec->height;
1535 break;
1536 default:
1537 av_abort();
1538 }
1539 } else {
1540 switch(codec->codec_type) {
1541 case CODEC_TYPE_AUDIO:
1542 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1543 goto fail;
1544
1545 if (codec->channels == icodec->channels &&
1546 codec->sample_rate == icodec->sample_rate) {
1547 ost->audio_resample = 0;
1548 } else {
1549 if (codec->channels != icodec->channels &&
1550 (icodec->codec_id == CODEC_ID_AC3 ||
1551 icodec->codec_id == CODEC_ID_DTS)) {
1552 /* Special case for 5:1 AC3 and DTS input */
1553 /* and mono or stereo output */
1554 /* Request specific number of channels */
1555 icodec->channels = codec->channels;
1556 if (codec->sample_rate == icodec->sample_rate)
1557 ost->audio_resample = 0;
1558 else {
1559 ost->audio_resample = 1;
1560 }
1561 } else {
1562 ost->audio_resample = 1;
1563 }
1564 }
1565 if(audio_sync_method>1)
1566 ost->audio_resample = 1;
1567
1568 if(ost->audio_resample){
1569 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1570 codec->sample_rate, icodec->sample_rate);
1571 if(!ost->resample){
1572 printf("Can't resample. Aborting.\n");
1573 av_abort();
1574 }
1575 }
1576 ist->decoding_needed = 1;
1577 ost->encoding_needed = 1;
1578 break;
1579 case CODEC_TYPE_VIDEO:
1580 if (codec->width == icodec->width &&
1581 codec->height == icodec->height &&
1582 frame_topBand == 0 &&
1583 frame_bottomBand == 0 &&
1584 frame_leftBand == 0 &&
1585 frame_rightBand == 0 &&
1586 frame_padtop == 0 &&
1587 frame_padbottom == 0 &&
1588 frame_padleft == 0 &&
1589 frame_padright == 0)
1590 {
1591 ost->video_resample = 0;
1592 ost->video_crop = 0;
1593 ost->video_pad = 0;
1594 } else if ((codec->width == icodec->width -
1595 (frame_leftBand + frame_rightBand)) &&
1596 (codec->height == icodec->height -
1597 (frame_topBand + frame_bottomBand)))
1598 {
1599 ost->video_resample = 0;
1600 ost->video_crop = 1;
1601 ost->topBand = frame_topBand;
1602 ost->leftBand = frame_leftBand;
1603 } else if ((codec->width == icodec->width +
1604 (frame_padleft + frame_padright)) &&
1605 (codec->height == icodec->height +
1606 (frame_padtop + frame_padbottom))) {
1607 ost->video_resample = 0;
1608 ost->video_crop = 0;
1609 ost->video_pad = 1;
1610 ost->padtop = frame_padtop;
1611 ost->padleft = frame_padleft;
1612 ost->padbottom = frame_padbottom;
1613 ost->padright = frame_padright;
1614 avcodec_get_frame_defaults(&ost->pict_tmp);
1615 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1616 codec->width, codec->height ) )
1617 goto fail;
1618 } else {
1619 ost->video_resample = 1;
1620 ost->video_crop = 0; // cropping is handled as part of resample
1621 avcodec_get_frame_defaults(&ost->pict_tmp);
1622 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1623 codec->width, codec->height ) )
1624 goto fail;
1625
1626 ost->img_resample_ctx = img_resample_full_init(
1627 ost->st->codec.width, ost->st->codec.height,
1628 ist->st->codec.width, ist->st->codec.height,
1629 frame_topBand, frame_bottomBand,
1630 frame_leftBand, frame_rightBand,
1631 frame_padtop, frame_padbottom,
1632 frame_padleft, frame_padright);
1633
1634 ost->padtop = frame_padtop;
1635 ost->padleft = frame_padleft;
1636 ost->padbottom = frame_padbottom;
1637 ost->padright = frame_padright;
1638
1639 }
1640 ost->encoding_needed = 1;
1641 ist->decoding_needed = 1;
1642 break;
1643 default:
1644 av_abort();
1645 }
1646 /* two pass mode */
1647 if (ost->encoding_needed &&
1648 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1649 char logfilename[1024];
1650 FILE *f;
1651 int size;
1652 char *logbuffer;
1653
1654 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1655 pass_logfilename ?
1656 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1657 if (codec->flags & CODEC_FLAG_PASS1) {
1658 f = fopen(logfilename, "w");
1659 if (!f) {
1660 perror(logfilename);
1661 exit(1);
1662 }
1663 ost->logfile = f;
1664 } else {
1665 /* read the log file */
1666 f = fopen(logfilename, "r");
1667 if (!f) {
1668 perror(logfilename);
1669 exit(1);
1670 }
1671 fseek(f, 0, SEEK_END);
1672 size = ftell(f);
1673 fseek(f, 0, SEEK_SET);
1674 logbuffer = av_malloc(size + 1);
1675 if (!logbuffer) {
1676 fprintf(stderr, "Could not allocate log buffer\n");
1677 exit(1);
1678 }
1679 size = fread(logbuffer, 1, size, f);
1680 fclose(f);
1681 logbuffer[size] = '\0';
1682 codec->stats_in = logbuffer;
1683 }
1684 }
1685 }
1686 if(codec->codec_type == CODEC_TYPE_VIDEO){
1687 int size= codec->width * codec->height;
1688 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1689 }
1690 }
1691
1692 if (!bit_buffer)
1693 bit_buffer = av_malloc(bit_buffer_size);
1694 if (!bit_buffer)
1695 goto fail;
1696
1697 /* dump the file output parameters - cannot be done before in case
1698 of stream copy */
1699 for(i=0;i<nb_output_files;i++) {
1700 dump_format(output_files[i], i, output_files[i]->filename, 1);
1701 }
1702
1703 /* dump the stream mapping */
1704 if (verbose >= 0) {
1705 fprintf(stderr, "Stream mapping:\n");
1706 for(i=0;i<nb_ostreams;i++) {
1707 ost = ost_table[i];
1708 fprintf(stderr, " Stream #%d.%d -> #%d.%d\n",
1709 ist_table[ost->source_index]->file_index,
1710 ist_table[ost->source_index]->index,
1711 ost->file_index,
1712 ost->index);
1713 }
1714 }
1715
1716 /* open each encoder */
1717 for(i=0;i<nb_ostreams;i++) {
1718 ost = ost_table[i];
1719 if (ost->encoding_needed) {
1720 AVCodec *codec;
1721 codec = avcodec_find_encoder(ost->st->codec.codec_id);
1722 if (!codec) {
1723 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1724 ost->file_index, ost->index);
1725 exit(1);
1726 }
1727 if (avcodec_open(&ost->st->codec, codec) < 0) {
1728 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1729 ost->file_index, ost->index);
1730 exit(1);
1731 }
1732 extra_size += ost->st->codec.extradata_size;
1733 }
1734 }
1735
1736 /* open each decoder */
1737 for(i=0;i<nb_istreams;i++) {
1738 ist = ist_table[i];
1739 if (ist->decoding_needed) {
1740 AVCodec *codec;
1741 codec = avcodec_find_decoder(ist->st->codec.codec_id);
1742 if (!codec) {
1743 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1744 ist->st->codec.codec_id, ist->file_index, ist->index);
1745 exit(1);
1746 }
1747 if (avcodec_open(&ist->st->codec, codec) < 0) {
1748 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1749 ist->file_index, ist->index);
1750 exit(1);
1751 }
1752 //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1753 // ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1754 }
1755 }
1756
1757 /* init pts */
1758 for(i=0;i<nb_istreams;i++) {
1759 ist = ist_table[i];
1760 is = input_files[ist->file_index];
1761 ist->pts = 0;
1762 ist->next_pts = ist->st->start_time;
1763 if(ist->next_pts == AV_NOPTS_VALUE)
1764 ist->next_pts=0;
1765 if(input_files_ts_offset[ist->file_index])
1766 ist->next_pts= AV_NOPTS_VALUE;
1767 ist->is_start = 1;
1768 }
1769
1770 /* compute buffer size max (should use a complete heuristic) */
1771 for(i=0;i<nb_input_files;i++) {
1772 file_table[i].buffer_size_max = 2048;
1773 }
1774
1775 /* set meta data information from input file if required */
1776 for (i=0;i<nb_meta_data_maps;i++) {
1777 AVFormatContext *out_file;
1778 AVFormatContext *in_file;
1779
1780 int out_file_index = meta_data_maps[i].out_file;
1781 int in_file_index = meta_data_maps[i].in_file;
1782 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1783 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1784 ret = -EINVAL;
1785 goto fail;
1786 }
1787 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1788 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1789 ret = -EINVAL;
1790 goto fail;
1791 }
1792
1793 out_file = output_files[out_file_index];
1794 in_file = input_files[in_file_index];
1795
1796 strcpy(out_file->title, in_file->title);
1797 strcpy(out_file->author, in_file->author);
1798 strcpy(out_file->copyright, in_file->copyright);
1799 strcpy(out_file->comment, in_file->comment);
1800 strcpy(out_file->album, in_file->album);
1801 out_file->year = in_file->year;
1802 out_file->track = in_file->track;
1803 strcpy(out_file->genre, in_file->genre);
1804 }
1805
1806 /* open files and write file headers */
1807 for(i=0;i<nb_output_files;i++) {
1808 os = output_files[i];
1809 if (av_write_header(os) < 0) {
1810 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1811 ret = -EINVAL;
1812 goto fail;
1813 }
1814 }
1815
1816 #ifndef CONFIG_WIN32
1817 if ( !using_stdin && verbose >= 0) {
1818 fprintf(stderr, "Press [q] to stop encoding\n");
1819 url_set_interrupt_cb(decode_interrupt_cb);
1820 }
1821 #endif
1822 term_init();
1823
1824 stream_no_data = 0;
1825 key = -1;
1826
1827 for(; received_sigterm == 0;) {
1828 int file_index, ist_index;
1829 AVPacket pkt;
1830 double ipts_min;
1831 double opts_min;
1832
1833 redo:
1834 ipts_min= 1e100;
1835 opts_min= 1e100;
1836 /* if 'q' pressed, exits */
1837 if (!using_stdin) {
1838 if (q_pressed)
1839 break;
1840 /* read_key() returns 0 on EOF */
1841 key = read_key();
1842 if (key == 'q')
1843 break;
1844 }
1845
1846 /* select the stream that we must read now by looking at the
1847 smallest output pts */
1848 file_index = -1;
1849 for(i=0;i<nb_ostreams;i++) {
1850 double ipts, opts;
1851 ost = ost_table[i];
1852 os = output_files[ost->file_index];
1853 ist = ist_table[ost->source_index];
1854 if(ost->st->codec.codec_type == CODEC_TYPE_VIDEO)
1855 opts = (double)ost->sync_opts * ost->st->codec.frame_rate_base / ost->st->codec.frame_rate;
1856 else
1857 opts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1858 ipts = (double)ist->pts;
1859 if (!file_table[ist->file_index].eof_reached){
1860 if(ipts < ipts_min) {
1861 ipts_min = ipts;
1862 if(input_sync ) file_index = ist->file_index;
1863 }
1864 if(opts < opts_min) {
1865 opts_min = opts;
1866 if(!input_sync) file_index = ist->file_index;
1867 }
1868 }
1869 if(ost->frame_number >= max_frames[ost->st->codec.codec_type]){
1870 file_index= -1;
1871 break;
1872 }
1873 }
1874 /* if none, if is finished */
1875 if (file_index < 0) {
1876 break;
1877 }
1878
1879 /* finish if recording time exhausted */
1880 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1881 break;
1882
1883 /* read a frame from it and output it in the fifo */
1884 is = input_files[file_index];
1885 if (av_read_frame(is, &pkt) < 0) {
1886 file_table[file_index].eof_reached = 1;
1887 continue;
1888 }
1889
1890 if (!pkt.size) {
1891 stream_no_data = is;
1892 } else {
1893 stream_no_data = 0;
1894 }
1895 if (do_pkt_dump) {
1896 av_pkt_dump(stdout, &pkt, do_hex_dump);
1897 }
1898 /* the following test is needed in case new streams appear
1899 dynamically in stream : we ignore them */
1900 if (pkt.stream_index >= file_table[file_index].nb_streams)
1901 goto discard_packet;
1902 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1903 ist = ist_table[ist_index];
1904 if (ist->discard)
1905 goto discard_packet;
1906
1907 // fprintf(stderr, "next:%lld dts:%lld off:%lld %d\n", ist->next_pts, pkt.dts, input_files_ts_offset[ist->file_index], ist->st->codec.codec_type);
1908 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1909 int64_t delta= pkt.dts - ist->next_pts;
1910 if(ABS(delta) > 10LL*AV_TIME_BASE && !copy_ts){
1911 input_files_ts_offset[ist->file_index]-= delta;
1912 if (verbose > 2)
1913 fprintf(stderr, "timestamp discontinuity %lld, new offset= %lld\n", delta, input_files_ts_offset[ist->file_index]);
1914 for(i=0; i<file_table[file_index].nb_streams; i++){
1915 int index= file_table[file_index].ist_index + i;
1916 ist_table[index]->next_pts += delta;
1917 ist_table[index]->is_start=1;
1918 }
1919 }
1920 }
1921
1922 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1923 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1924
1925 if (verbose >= 0)
1926 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1927 ist->file_index, ist->index);
1928
1929 av_free_packet(&pkt);
1930 goto redo;
1931 }
1932
1933 discard_packet:
1934 av_free_packet(&pkt);
1935
1936 /* dump report by using the output first video and audio streams */
1937 print_report(output_files, ost_table, nb_ostreams, 0);
1938 }
1939
1940 /* at the end of stream, we must flush the decoder buffers */
1941 for(i=0;i<nb_istreams;i++) {
1942 ist = ist_table[i];
1943 if (ist->decoding_needed) {
1944 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1945 }
1946 }
1947
1948 term_exit();
1949
1950 /* write the trailer if needed and close file */
1951 for(i=0;i<nb_output_files;i++) {
1952 os = output_files[i];
1953 av_write_trailer(os);
1954 }
1955
1956 /* dump report by using the first video and audio streams */
1957 print_report(output_files, ost_table, nb_ostreams, 1);
1958
1959 /* close each encoder */
1960 for(i=0;i<nb_ostreams;i++) {
1961 ost = ost_table[i];
1962 if (ost->encoding_needed) {
1963 av_freep(&ost->st->codec.stats_in);
1964 avcodec_close(&ost->st->codec);
1965 }
1966 }
1967
1968 /* close each decoder */
1969 for(i=0;i<nb_istreams;i++) {
1970 ist = ist_table[i];
1971 if (ist->decoding_needed) {
1972 avcodec_close(&ist->st->codec);
1973 }
1974 }
1975
1976 /* finished ! */
1977
1978 ret = 0;
1979 fail1:
1980 av_freep(&bit_buffer);
1981 av_free(file_table);
1982
1983 if (ist_table) {
1984 for(i=0;i<nb_istreams;i++) {
1985 ist = ist_table[i];
1986 av_free(ist);
1987 }
1988 av_free(ist_table);
1989 }
1990 if (ost_table) {
1991 for(i=0;i<nb_ostreams;i++) {
1992 ost = ost_table[i];
1993 if (ost) {
1994 if (ost->logfile) {
1995 fclose(ost->logfile);
1996 ost->logfile = NULL;
1997 }
1998 fifo_free(&ost->fifo); /* works even if fifo is not
1999 initialized but set to zero */
2000 av_free(ost->pict_tmp.data[0]);
2001 if (ost->video_resample)
2002 img_resample_close(ost->img_resample_ctx);
2003 if (ost->audio_resample)
2004 audio_resample_close(ost->resample);
2005 av_free(ost);
2006 }
2007 }
2008 av_free(ost_table);
2009 }
2010 return ret;
2011 fail:
2012 ret = -ENOMEM;
2013 goto fail1;
2014 }
2015
2016 #if 0
2017 int file_read(const char *filename)
2018 {
2019 URLContext *h;
2020 unsigned char buffer[1024];
2021 int len, i;
2022
2023 if (url_open(&h, filename, O_RDONLY) < 0) {
2024 printf("could not open '%s'\n", filename);
2025 return -1;
2026 }
2027 for(;;) {
2028 len = url_read(h, buffer, sizeof(buffer));
2029 if (len <= 0)
2030 break;
2031 for(i=0;i<len;i++) putchar(buffer[i]);
2032 }
2033 url_close(h);
2034 return 0;
2035 }
2036 #endif
2037
2038 static void opt_image_format(const char *arg)
2039 {
2040 AVImageFormat *f;
2041
2042 for(f = first_image_format; f != NULL; f = f->next) {
2043 if (!strcmp(arg, f->name))
2044 break;
2045 }
2046 if (!f) {
2047 fprintf(stderr, "Unknown image format: '%s'\n", arg);
2048 exit(1);
2049 }
2050 image_format = f;
2051 }
2052
2053 static void opt_format(const char *arg)
2054 {
2055 /* compatibility stuff for pgmyuv */
2056 if (!strcmp(arg, "pgmyuv")) {
2057 pgmyuv_compatibility_hack=1;
2058 // opt_image_format(arg);
2059 arg = "image2";
2060 }
2061
2062 file_iformat = av_find_input_format(arg);
2063 file_oformat = guess_format(arg, NULL, NULL);
2064 if (!file_iformat && !file_oformat) {
2065 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2066 exit(1);
2067 }
2068 }
2069
2070 static void opt_video_bitrate(const char *arg)
2071 {
2072 video_bit_rate = atoi(arg) * 1000;
2073 }
2074
2075 static void opt_video_bitrate_tolerance(const char *arg)
2076 {
2077 video_bit_rate_tolerance = atoi(arg) * 1000;
2078 }
2079
2080 static void opt_video_bitrate_max(const char *arg)
2081 {
2082 video_rc_max_rate = atoi(arg) * 1000;
2083 }
2084
2085 static void opt_video_bitrate_min(const char *arg)
2086 {
2087 video_rc_min_rate = atoi(arg) * 1000;
2088 }
2089
2090 static void opt_video_buffer_size(const char *arg)
2091 {
2092 video_rc_buffer_size = atoi(arg) * 8*1024;
2093 }
2094
2095 static void opt_video_rc_eq(char *arg)
2096 {
2097 video_rc_eq = arg;
2098 }
2099
2100 static void opt_video_rc_override_string(char *arg)
2101 {
2102 video_rc_override_string = arg;
2103 }
2104
2105
2106 static void opt_workaround_bugs(const char *arg)
2107 {
2108 workaround_bugs = atoi(arg);
2109 }
2110
2111 static void opt_dct_algo(const char *arg)
2112 {
2113 dct_algo = atoi(arg);
2114 }
2115
2116 static void opt_idct_algo(const char *arg)
2117 {
2118 idct_algo = atoi(arg);
2119 }
2120
2121 static void opt_me_threshold(const char *arg)
2122 {
2123 me_threshold = atoi(arg);
2124 }
2125
2126 static void opt_mb_threshold(const char *arg)
2127 {
2128 mb_threshold = atoi(arg);
2129 }
2130
2131 static void opt_error_resilience(const char *arg)
2132 {
2133 error_resilience = atoi(arg);
2134 }
2135
2136 static void opt_error_concealment(const char *arg)
2137 {
2138 error_concealment = atoi(arg);
2139 }
2140
2141 static void opt_debug(const char *arg)
2142 {
2143 debug = atoi(arg);
2144 }
2145
2146 static void opt_vismv(const char *arg)
2147 {
2148 debug_mv = atoi(arg);
2149 }
2150
2151 static void opt_verbose(const char *arg)
2152 {
2153 verbose = atoi(arg);
2154 av_log_set_level(atoi(arg));
2155 }
2156
2157 static void opt_frame_rate(const char *arg)
2158 {
2159 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2160 fprintf(stderr, "Incorrect frame rate\n");
2161 exit(1);
2162 }
2163 }
2164
2165 static void opt_frame_crop_top(const char *arg)
2166 {
2167 frame_topBand = atoi(arg);
2168 if (frame_topBand < 0) {
2169 fprintf(stderr, "Incorrect top crop size\n");
2170 exit(1);
2171 }
2172 if ((frame_topBand % 2) != 0) {
2173 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2174 exit(1);
2175 }
2176 if ((frame_topBand) >= frame_height){
2177 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2178 exit(1);
2179 }
2180 frame_height -= frame_topBand;
2181 }
2182
2183 static void opt_frame_crop_bottom(const char *arg)
2184 {
2185 frame_bottomBand = atoi(arg);
2186 if (frame_bottomBand < 0) {
2187 fprintf(stderr, "Incorrect bottom crop size\n");
2188 exit(1);
2189 }
2190 if ((frame_bottomBand % 2) != 0) {
2191 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2192 exit(1);
2193 }
2194 if ((frame_bottomBand) >= frame_height){
2195 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2196 exit(1);
2197 }
2198 frame_height -= frame_bottomBand;
2199 }
2200
2201 static void opt_frame_crop_left(const char *arg)
2202 {
2203 frame_leftBand = atoi(arg);
2204 if (frame_leftBand < 0) {
2205 fprintf(stderr, "Incorrect left crop size\n");
2206 exit(1);
2207 }
2208 if ((frame_leftBand % 2) != 0) {
2209 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2210 exit(1);
2211 }
2212 if ((frame_leftBand) >= frame_width){
2213 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2214 exit(1);
2215 }
2216 frame_width -= frame_leftBand;
2217 }
2218
2219 static void opt_frame_crop_right(const char *arg)
2220 {
2221 frame_rightBand = atoi(arg);
2222 if (frame_rightBand < 0) {
2223 fprintf(stderr, "Incorrect right crop size\n");
2224 exit(1);
2225 }
2226 if ((frame_rightBand % 2) != 0) {
2227 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2228 exit(1);
2229 }
2230 if ((frame_rightBand) >= frame_width){
2231 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2232 exit(1);
2233 }
2234 frame_width -= frame_rightBand;
2235 }
2236
2237 static void opt_frame_size(const char *arg)
2238 {
2239 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2240 fprintf(stderr, "Incorrect frame size\n");
2241 exit(1);
2242 }
2243 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2244 fprintf(stderr, "Frame size must be a multiple of 2\n");
2245 exit(1);
2246 }
2247 }
2248
2249
2250 #define SCALEBITS 10
2251 #define ONE_HALF (1 << (SCALEBITS - 1))
2252 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2253
2254 #define RGB_TO_Y(r, g, b) \
2255 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2256 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2257
2258 #define RGB_TO_U(r1, g1, b1, shift)\
2259 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2260 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2261
2262 #define RGB_TO_V(r1, g1, b1, shift)\
2263 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2264 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2265
2266 static void opt_pad_color(const char *arg) {
2267 /* Input is expected to be six hex digits similar to
2268 how colors are expressed in html tags (but without the #) */
2269 int rgb = strtol(arg, NULL, 16);
2270 int r,g,b;
2271
2272 r = (rgb >> 16);
2273 g = ((rgb >> 8) & 255);
2274 b = (rgb & 255);
2275
2276 padcolor[0] = RGB_TO_Y(r,g,b);
2277 padcolor[1] = RGB_TO_U(r,g,b,0);
2278 padcolor[2] = RGB_TO_V(r,g,b,0);
2279 }
2280
2281 static void opt_frame_pad_top(const char *arg)
2282 {
2283 frame_padtop = atoi(arg);
2284 if (frame_padtop < 0) {
2285 fprintf(stderr, "Incorrect top pad size\n");
2286 exit(1);
2287 }
2288 if ((frame_padtop % 2) != 0) {
2289 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2290 exit(1);
2291 }
2292 }
2293
2294 static void opt_frame_pad_bottom(const char *arg)
2295 {
2296 frame_padbottom = atoi(arg);
2297 if (frame_padbottom < 0) {
2298 fprintf(stderr, "Incorrect bottom pad size\n");
2299 exit(1);
2300 }
2301 if ((frame_padbottom % 2) != 0) {
2302 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2303 exit(1);
2304 }
2305 }
2306
2307
2308 static void opt_frame_pad_left(const char *arg)
2309 {
2310 frame_padleft = atoi(arg);
2311 if (frame_padleft < 0) {
2312 fprintf(stderr, "Incorrect left pad size\n");
2313 exit(1);
2314 }
2315 if ((frame_padleft % 2) != 0) {
2316 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2317 exit(1);
2318 }
2319 }
2320
2321
2322 static void opt_frame_pad_right(const char *arg)
2323 {
2324 frame_padright = atoi(arg);
2325 if (frame_padright < 0) {
2326 fprintf(stderr, "Incorrect right pad size\n");
2327 exit(1);
2328 }
2329 if ((frame_padright % 2) != 0) {
2330 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2331 exit(1);
2332 }
2333 }
2334
2335
2336 static void opt_frame_pix_fmt(const char *arg)
2337 {
2338 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2339 }
2340
2341 static void opt_frame_aspect_ratio(const char *arg)
2342 {
2343 int x = 0, y = 0;
2344 double ar = 0;
2345 const char *p;
2346
2347 p = strchr(arg, ':');
2348 if (p) {
2349 x = strtol(arg, (char **)&arg, 10);
2350 if (arg == p)
2351 y = strtol(arg+1, (char **)&arg, 10);
2352 if (x > 0 && y > 0)
2353 ar = (double)x / (double)y;
2354 } else
2355 ar = strtod(arg, (char **)&arg);
2356
2357 if (!ar) {
2358 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2359 exit(1);
2360 }
2361 frame_aspect_ratio = ar;
2362 }
2363
2364 static void opt_gop_size(const char *arg)
2365 {
2366 gop_size = atoi(arg);
2367 }
2368
2369 static void opt_b_frames(const char *arg)
2370 {
2371 b_frames = atoi(arg);
2372 if (b_frames > FF_MAX_B_FRAMES) {
2373 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
2374 exit(1);
2375 } else if (b_frames < 1) {
2376 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
2377 exit(1);
2378 }
2379 }
2380
2381 static void opt_mb_decision(const char *arg)
2382 {
2383 mb_decision = atoi(arg);
2384 }
2385
2386 static void opt_mb_cmp(const char *arg)
2387 {
2388 mb_cmp = atoi(arg);
2389 }
2390
2391 static void opt_ildct_cmp(const char *arg)
2392 {
2393 ildct_cmp = atoi(arg);
2394 }
2395
2396 static void opt_sub_cmp(const char *arg)
2397 {
2398 sub_cmp = atoi(arg);
2399 }
2400
2401 static void opt_cmp(const char *arg)
2402 {
2403 cmp = atoi(arg);
2404 }
2405
2406 static void opt_pre_cmp(const char *arg)
2407 {
2408 pre_cmp = atoi(arg);
2409 }
2410
2411 static void opt_pre_me(const char *arg)
2412 {
2413 pre_me = atoi(arg);
2414 }
2415
2416 static void opt_lumi_mask(const char *arg)
2417 {
2418 lumi_mask = atof(arg);
2419 }
2420
2421 static void opt_dark_mask(const char *arg)
2422 {
2423 dark_mask = atof(arg);
2424 }
2425
2426 static void opt_scplx_mask(const char *arg)
2427 {
2428 scplx_mask = atof(arg);
2429 }
2430
2431 static void opt_tcplx_mask(const char *arg)
2432 {
2433 tcplx_mask = atof(arg);
2434 }
2435
2436 static void opt_p_mask(const char *arg)
2437 {
2438 p_mask = atof(arg);
2439 }
2440
2441 static void opt_qscale(const char *arg)
2442 {
2443 video_qscale = atof(arg);
2444 if (video_qscale < 0.01 ||
2445 video_qscale > 255) {
2446 fprintf(stderr, "qscale must be >= 0.01 and <= 255\n");
2447 exit(1);
2448 }
2449 }
2450
2451 static void opt_qsquish(const char *arg)
2452 {
2453 video_qsquish = atof(arg);
2454 if (video_qsquish < 0.0 ||
2455 video_qsquish > 99.0) {
2456 fprintf(stderr, "qsquish must be >= 0.0 and <= 99.0\n");
2457 exit(1);
2458 }
2459 }
2460
2461 static void opt_lelim(const char *arg)
2462 {
2463 video_lelim = atoi(arg);
2464 if (video_lelim < -99 ||
2465 video_lelim > 99) {
2466 fprintf(stderr, "lelim must be >= -99 and <= 99\n");
2467 exit(1);
2468 }
2469 }
2470
2471 static void opt_celim(const char *arg)
2472 {
2473 video_celim = atoi(arg);
2474 if (video_celim < -99 ||
2475 video_celim > 99) {
2476 fprintf(stderr, "celim must be >= -99 and <= 99\n");
2477 exit(1);
2478 }
2479 }
2480
2481 static void opt_lmax(const char *arg)
2482 {
2483 video_lmax = atof(arg)*FF_QP2LAMBDA;
2484 }
2485
2486 static void opt_lmin(const char *arg)
2487 {
2488 video_lmin = atof(arg)*FF_QP2LAMBDA;
2489 }
2490
2491 static void opt_qmin(const char *arg)
2492 {
2493 video_qmin = atoi(arg);
2494 if (video_qmin < 1 ||
2495 video_qmin > 31) {
2496 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
2497 exit(1);
2498 }
2499 }
2500
2501 static void opt_qmax(const char *arg)
2502 {
2503 video_qmax = atoi(arg);
2504 if (video_qmax < 1 ||
2505 video_qmax > 31) {
2506 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
2507 exit(1);
2508 }
2509 }
2510
2511 static void opt_mb_lmin(const char *arg)
2512 {
2513 video_mb_lmin = atof(arg)*FF_QP2LAMBDA;
2514 if (video_mb_lmin < 1 ||
2515 video_mb_lmin > FF_LAMBDA_MAX) {
2516 fprintf(stderr, "mblmin must be >= 1 and <= %d\n", FF_LAMBDA_MAX / FF_QP2LAMBDA);
2517 exit(1);
2518 }
2519 }
2520
2521 static void opt_mb_lmax(const char *arg)
2522 {
2523 video_mb_lmax = atof(arg)*FF_QP2LAMBDA;
2524 if (video_mb_lmax < 1 ||
2525 video_mb_lmax > FF_LAMBDA_MAX) {
2526 fprintf(stderr, "mblmax must be >= 1 and <= %d\n", FF_LAMBDA_MAX / FF_QP2LAMBDA);
2527 exit(1);
2528 }
2529 }
2530
2531 static void opt_qdiff(const char *arg)
2532 {
2533 video_qdiff = atoi(arg);
2534 if (video_qdiff < 0 ||
2535 video_qdiff > 31) {
2536 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2537 exit(1);
2538 }
2539 }
2540
2541 static void opt_qblur(const char *arg)
2542 {
2543 video_qblur = atof(arg);
2544 }
2545
2546 static void opt_qcomp(const char *arg)
2547 {
2548 video_qcomp = atof(arg);
2549 }
2550
2551 static void opt_rc_initial_cplx(const char *arg)
2552 {
2553 video_rc_initial_cplx = atof(arg);
2554 }
2555 static void opt_b_qfactor(const char *arg)
2556 {
2557 video_b_qfactor = atof(arg);
2558 }
2559 static void opt_i_qfactor(const char *arg)
2560 {
2561 video_i_qfactor = atof(arg);
2562 }
2563 static void opt_b_qoffset(const char *arg)
2564 {
2565 video_b_qoffset = atof(arg);
2566 }
2567 static void opt_i_qoffset(const char *arg)
2568 {
2569 video_i_qoffset = atof(arg);
2570 }
2571
2572 static void opt_ibias(const char *arg)
2573 {
2574 video_intra_quant_bias = atoi(arg);
2575 }
2576 static void opt_pbias(const char *arg)
2577 {
2578 video_inter_quant_bias = atoi(arg);
2579 }
2580
2581 static void opt_packet_size(const char *arg)
2582 {
2583 packet_size= atoi(arg);
2584 }
2585
2586 static void opt_error_rate(const char *arg)
2587 {
2588 error_rate= atoi(arg);
2589 }
2590
2591 static void opt_strict(const char *arg)
2592 {
2593 strict= atoi(arg);
2594 }
2595
2596 static void opt_top_field_first(const char *arg)
2597 {
2598 top_field_first= atoi(arg);
2599 }
2600
2601 static void opt_noise_reduction(const char *arg)
2602 {
2603 noise_reduction= atoi(arg);
2604 }
2605
2606 static void opt_qns(const char *arg)
2607 {
2608 qns= atoi(arg);
2609 }
2610
2611 static void opt_sc_threshold(const char *arg)
2612 {
2613 sc_threshold= atoi(arg);
2614 }
2615
2616 static void opt_me_range(const char *arg)
2617 {
2618 me_range = atoi(arg);
2619 }
2620
2621 static void opt_thread_count(const char *arg)
2622 {
2623 thread_count= atoi(arg);
2624 #if !defined(HAVE_THREADS)
2625 if (verbose >= 0)
2626 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2627 #endif
2628 }
2629
2630 static void opt_audio_bitrate(const char *arg)
2631 {
2632 audio_bit_rate = atoi(arg) * 1000;
2633 }
2634
2635 static void opt_audio_rate(const char *arg)
2636 {
2637 audio_sample_rate = atoi(arg);
2638 }
2639
2640 static void opt_audio_channels(const char *arg)
2641 {
2642 audio_channels = atoi(arg);
2643 }
2644
2645 static void opt_video_device(const char *arg)
2646 {
2647 video_device = av_strdup(arg);
2648 }
2649
2650 static void opt_grab_device(const char *arg)
2651 {
2652 grab_device = av_strdup(arg);
2653 }
2654
2655 static void opt_video_channel(const char *arg)
2656 {
2657 video_channel = strtol(arg, NULL, 0);
2658 }
2659
2660 static void opt_video_standard(const char *arg)
2661 {
2662 video_standard = av_strdup(arg);
2663 }
2664
2665 static void opt_audio_device(const char *arg)
2666 {
2667 audio_device = av_strdup(arg);
2668 }
2669
2670 static void opt_audio_codec(const char *arg)
2671 {
2672 AVCodec *p;
2673
2674 if (!strcmp(arg, "copy")) {
2675 audio_stream_copy = 1;
2676 } else {
2677 p = first_avcodec;
2678 while (p) {
2679 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
2680 break;
2681 p = p->next;
2682 }
2683 if (p == NULL) {
2684 fprintf(stderr, "Unknown audio codec '%s'\n", arg);
2685 exit(1);
2686 } else {
2687 audio_codec_id = p->id;
2688 }
2689 }
2690 }
2691
2692 static void opt_audio_tag(const char *arg)
2693 {
2694 char *tail;
2695 audio_codec_tag= strtol(arg, &tail, 0);
2696
2697 if(!tail || *tail)
2698 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2699 }
2700
2701 static void opt_video_tag(const char *arg)
2702 {
2703 char *tail;
2704 video_codec_tag= strtol(arg, &tail, 0);
2705
2706 if(!tail || *tail)
2707 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2708 }
2709
2710 static void add_frame_hooker(const char *arg)
2711 {
2712 int argc = 0;
2713 char *argv[64];
2714 int i;
2715 char *args = av_strdup(arg);
2716
2717 using_vhook = 1;
2718
2719 argv[0] = strtok(args, " ");
2720 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2721 }
2722
2723 i = frame_hook_add(argc, argv);
2724
2725 if (i != 0) {
2726 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2727 exit(1);
2728 }
2729 }
2730
2731 const char *motion_str[] = {
2732 "zero",
2733 "full",
2734 "log",
2735 "phods",
2736 "epzs",
2737 "x1",
2738 NULL,
2739 };
2740
2741 static void opt_motion_estimation(const char *arg)
2742 {
2743 const char **p;
2744 p = motion_str;
2745 for(;;) {
2746 if (!*p) {
2747 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2748 exit(1);
2749 }
2750 if (!strcmp(*p, arg))
2751 break;
2752 p++;
2753 }
2754 me_method = (p - motion_str) + 1;
2755 }
2756
2757 static void opt_video_codec(const char *arg)
2758 {
2759 AVCodec *p;
2760
2761 if (!strcmp(arg, "copy")) {
2762 video_stream_copy = 1;
2763 } else {
2764 p = first_avcodec;
2765 while (p) {
2766 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
2767 break;
2768 p = p->next;
2769 }
2770 if (p == NULL) {
2771 fprintf(stderr, "Unknown video codec '%s'\n", arg);
2772 exit(1);
2773 } else {
2774 video_codec_id = p->id;
2775 }
2776 }
2777 }
2778
2779 static void opt_map(const char *arg)
2780 {
2781 AVStreamMap *m;
2782 const char *p;
2783
2784 p = arg;
2785 m = &stream_maps[nb_stream_maps++];
2786
2787 m->file_index = strtol(arg, (char **)&p, 0);
2788 if (*p)
2789 p++;
2790
2791 m->stream_index = strtol(p, (char **)&p, 0);
2792 }
2793
2794 static void opt_map_meta_data(const char *arg)
2795 {
2796 AVMetaDataMap *m;
2797 const char *p;
2798
2799 p = arg;
2800 m = &meta_data_maps[nb_meta_data_maps++];
2801
2802 m->out_file = strtol(arg, (char **)&p, 0);
2803 if (*p)
2804 p++;
2805
2806 m->in_file = strtol(p, (char **)&p, 0);
2807 }
2808
2809 static void opt_recording_time(const char *arg)
2810 {
2811 recording_time = parse_date(arg, 1);
2812 }
2813
2814 static void opt_start_time(const char *arg)
2815 {
2816 start_time = parse_date(arg, 1);
2817 }
2818
2819 static void opt_rec_timestamp(const char *arg)
2820 {
2821 rec_timestamp = parse_date(arg, 0) / 1000000;
2822 }
2823
2824 static void opt_input_ts_offset(const char *arg)
2825 {
2826 input_ts_offset = parse_date(arg, 1);
2827 }
2828
2829 static void opt_input_file(const char *filename)
2830 {
2831 AVFormatContext *ic;
2832 AVFormatParameters params, *ap = &params;
2833 int err, i, ret, rfps, rfps_base;
2834 int64_t timestamp;
2835
2836 if (!strcmp(filename, "-"))
2837 filename = "pipe:";
2838
2839 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2840 !strcmp( filename, "/dev/stdin" );
2841
2842 /* get default parameters from command line */
2843 memset(ap, 0, sizeof(*ap));
2844 ap->sample_rate = audio_sample_rate;
2845 ap->channels = audio_channels;
2846 ap->frame_rate = frame_rate;
2847 ap->frame_rate_base = frame_rate_base;
2848 ap->width = frame_width + frame_padleft + frame_padright;
2849 ap->height = frame_height + frame_padtop + frame_padbottom;
2850 ap->image_format = image_format;
2851 ap->pix_fmt = frame_pix_fmt;
2852 ap->device = grab_device;
2853 ap->channel = video_channel;
2854 ap->standard = video_standard;
2855 ap->video_codec_id = video_codec_id;
2856 ap->audio_codec_id = audio_codec_id;
2857 if(pgmyuv_compatibility_hack)
2858 ap->video_codec_id= CODEC_ID_PGMYUV;
2859
2860 /* open the input file with generic libav function */
2861 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2862 if (err < 0) {
2863 print_error(filename, err);
2864 exit(1);
2865 }
2866
2867 /* If not enough info to get the stream parameters, we decode the
2868 first frames to get it. (used in mpeg case for example) */
2869 ret = av_find_stream_info(ic);
2870 if (ret < 0 && verbose >= 0) {
2871 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2872 exit(1);
2873 }
2874
2875 timestamp = start_time;
2876 /* add the stream start time */
2877 if (ic->start_time != AV_NOPTS_VALUE)
2878 timestamp += ic->start_time;
2879
2880 /* if seeking requested, we execute it */
2881 if (start_time != 0) {
2882 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2883 if (ret < 0) {
2884 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2885 filename, (double)timestamp / AV_TIME_BASE);
2886 }
2887 /* reset seek info */
2888 start_time = 0;
2889 }
2890
2891 /* update the current parameters so that they match the one of the input stream */
2892 for(i=0;i<ic->nb_streams;i++) {
2893 AVCodecContext *enc = &ic->streams[i]->codec;
2894 #if defined(HAVE_THREADS)
2895 if(thread_count>1)
2896 avcodec_thread_init(enc, thread_count);
2897 #endif
2898 enc->thread_count= thread_count;
2899 switch(enc->codec_type) {
2900 case CODEC_TYPE_AUDIO:
2901 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2902 audio_channels = enc->channels;
2903 audio_sample_rate = enc->sample_rate;
2904 if(audio_disable)
2905 ic->streams[i]->discard= 1;
2906 break;
2907 case CODEC_TYPE_VIDEO:
2908 frame_height = enc->height;
2909 frame_width = enc->width;
2910 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2911 frame_pix_fmt = enc->pix_fmt;
2912 rfps = ic->streams[i]->r_frame_rate;
2913 rfps_base = ic->streams[i]->r_frame_rate_base;
2914 enc->workaround_bugs = workaround_bugs;
2915 enc->error_resilience = error_resilience;
2916 enc->error_concealment = error_concealment;
2917 enc->idct_algo = idct_algo;
2918 enc->debug = debug;
2919 enc->debug_mv = debug_mv;
2920 enc->lowres= lowres;
2921 if(bitexact)
2922 enc->flags|= CODEC_FLAG_BITEXACT;
2923 if(me_threshold)
2924 enc->debug |= FF_DEBUG_MV;
2925
2926 if (enc->frame_rate != rfps || enc->frame_rate_base != rfps_base) {
2927
2928 if (verbose >= 0)
2929 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2930 i, (float)enc->frame_rate / enc->frame_rate_base, enc->frame_rate, enc->frame_rate_base,
2931
2932 (float)rfps / rfps_base, rfps, rfps_base);
2933 }
2934 /* update the current frame rate to match the stream frame rate */
2935 frame_rate = rfps;
2936 frame_rate_base = rfps_base;
2937
2938 enc->rate_emu = rate_emu;
2939 if(video_disable)
2940 ic->streams[i]->discard= 1;
2941 break;
2942 case CODEC_TYPE_DATA:
2943 break;
2944 default:
2945 av_abort();
2946 }
2947 }
2948
2949 input_files[nb_input_files] = ic;
2950 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2951 /* dump the file content */
2952 if (verbose >= 0)
2953 dump_format(ic, nb_input_files, filename, 0);
2954
2955 nb_input_files++;
2956 file_iformat = NULL;
2957 file_oformat = NULL;
2958 image_format = NULL;
2959
2960 grab_device = NULL;
2961 video_channel = 0;
2962
2963 rate_emu = 0;
2964 }
2965
2966 static void opt_grab(const char *arg)
2967 {
2968 file_iformat = av_find_input_format(arg);
2969 opt_input_file("");
2970 }
2971
2972 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2973 {
2974 int has_video, has_audio, i, j;
2975 AVFormatContext *ic;
2976
2977 has_video = 0;
2978 has_audio = 0;
2979 for(j=0;j<nb_input_files;j++) {
2980 ic = input_files[j];
2981 for(i=0;i<ic->nb_streams;i++) {
2982 AVCodecContext *enc = &ic->streams[i]->codec;
2983 switch(enc->codec_type) {
2984 case CODEC_TYPE_AUDIO:
2985 has_audio = 1;
2986 break;
2987 case CODEC_TYPE_VIDEO:
2988 has_video = 1;
2989 break;
2990 case CODEC_TYPE_DATA:
2991 break;
2992 default:
2993 av_abort();
2994 }
2995 }
2996 }
2997 *has_video_ptr = has_video;
2998 *has_audio_ptr = has_audio;
2999 }
3000
3001 static void opt_output_file(const char *filename)
3002 {
3003 AVStream *st;
3004 AVFormatContext *oc;
3005 int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
3006 int codec_id;
3007 AVFormatParameters params, *ap = &params;
3008
3009 if (!strcmp(filename, "-"))
3010 filename = "pipe:";
3011
3012 oc = av_alloc_format_context();
3013
3014 if (!file_oformat) {
3015 file_oformat = guess_format(NULL, filename, NULL);
3016 if (!file_oformat) {
3017 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
3018 filename);
3019 exit(1);
3020 }
3021 }
3022
3023 oc->oformat = file_oformat;
3024
3025 if (!strcmp(file_oformat->name, "ffm") &&
3026 strstart(filename, "http:", NULL)) {
3027 /* special case for files sent to ffserver: we get the stream
3028 parameters from ffserver */
3029 if (read_ffserver_streams(oc, filename) < 0) {
3030 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3031 exit(1);
3032 }
3033 } else {
3034 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy;
3035 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy;
3036
3037 /* disable if no corresponding type found and at least one
3038 input file */
3039 if (nb_input_files > 0) {
3040 check_audio_video_inputs(&input_has_video, &input_has_audio);
3041 if (!input_has_video)
3042 use_video = 0;
3043 if (!input_has_audio)
3044 use_audio = 0;
3045 }
3046
3047 /* manual disable */
3048 if (audio_disable) {
3049 use_audio = 0;
3050 }
3051 if (video_disable) {
3052 use_video = 0;
3053 }
3054
3055 nb_streams = 0;
3056 if (use_video) {
3057 AVCodecContext *video_enc;
3058
3059 st = av_new_stream(oc, nb_streams++);
3060 if (!st) {
3061 fprintf(stderr, "Could not alloc stream\n");
3062 exit(1);
3063 }
3064 #if defined(HAVE_THREADS)
3065 if(thread_count>1)
3066 avcodec_thread_init(&st->codec, thread_count);
3067 #endif
3068
3069 video_enc = &st->codec;
3070
3071 if(video_codec_tag)
3072 video_enc->codec_tag= video_codec_tag;
3073
3074 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
3075 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3076 if (video_stream_copy) {
3077 st->stream_copy = 1;
3078 video_enc->codec_type = CODEC_TYPE_VIDEO;
3079 } else {
3080 char *p;
3081 int i;
3082 AVCodec *codec;
3083
3084 codec_id = av_guess_codec(file_oformat, NULL, filename, NULL, CODEC_TYPE_VIDEO);
3085 if (video_codec_id != CODEC_ID_NONE)
3086 codec_id = video_codec_id;
3087
3088 video_enc->codec_id = codec_id;
3089 codec = avcodec_find_encoder(codec_id);
3090
3091 video_enc->bit_rate = video_bit_rate;
3092 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
3093 video_enc->frame_rate = frame_rate;
3094 video_enc->frame_rate_base = frame_rate_base;
3095 if(codec && codec->supported_framerates){
3096 const AVRational *p= codec->supported_framerates;
3097 AVRational req= (AVRational){frame_rate, frame_rate_base};
3098 const AVRational *best=NULL;
3099 AVRational best_error= (AVRational){INT_MAX, 1};
3100 for(; p->den!=0; p++){
3101 AVRational error= av_sub_q(req, *p);
3102 if(error.num <0) error.num *= -1;
3103 if(av_cmp_q(error, best_error) < 0){
3104 best_error= error;
3105 best= p;
3106 }
3107 }
3108 video_enc->frame_rate = best->num;
3109 video_enc->frame_rate_base= best->den;
3110 }
3111
3112 video_enc->width = frame_width + frame_padright + frame_padleft;
3113 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3114 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3115 video_enc->pix_fmt = frame_pix_fmt;
3116
3117 if(codec && codec->pix_fmts){
3118 const enum PixelFormat *p= codec->pix_fmts;
3119 for(; *p!=-1; p++){
3120 if(*p == video_enc->pix_fmt)
3121 break;
3122 }
3123 if(*p == -1)
3124 video_enc->pix_fmt = codec->pix_fmts[0];
3125 }
3126
3127 if (!intra_only)
3128 video_enc->gop_size = gop_size;
3129 else
3130 video_enc->gop_size = 0;
3131 if (video_qscale || same_quality) {
3132 video_enc->flags |= CODEC_FLAG_QSCALE;
3133 st->quality = FF_QP2LAMBDA * video_qscale;
3134 }
3135
3136 if(intra_matrix)
3137 video_enc->intra_matrix = intra_matrix;
3138 if(inter_matrix)
3139 video_enc->inter_matrix = inter_matrix;
3140
3141 if(bitexact)
3142 video_enc->flags |= CODEC_FLAG_BITEXACT;
3143
3144 video_enc->mb_decision = mb_decision;
3145 video_enc->mb_cmp = mb_cmp;
3146 video_enc->ildct_cmp = ildct_cmp;
3147 video_enc->me_sub_cmp = sub_cmp;
3148 video_enc->me_cmp = cmp;
3149 video_enc->me_pre_cmp = pre_cmp;
3150 video_enc->pre_me = pre_me;
3151 video_enc->lumi_masking = lumi_mask;
3152 video_enc->dark_masking = dark_mask;
3153 video_enc->spatial_cplx_masking = scplx_mask;
3154 video_enc->temporal_cplx_masking = tcplx_mask;
3155 video_enc->p_masking = p_mask;
3156 video_enc->quantizer_noise_shaping= qns;
3157
3158 if (use_umv) {
3159 video_enc->flags |= CODEC_FLAG_H263P_UMV;
3160 }
3161 if (use_ss) {
3162 video_enc->flags |= CODEC_FLAG_H263P_SLICE_STRUCT;
3163 }
3164 if (use_aic) {
3165 video_enc->flags |= CODEC_FLAG_H263P_AIC;
3166 }
3167 if (use_aiv) {
3168 video_enc->flags |= CODEC_FLAG_H263P_AIV;
3169 }
3170 if (use_4mv) {
3171 video_enc->flags |= CODEC_FLAG_4MV;
3172 }
3173 if (use_obmc) {
3174 video_enc->flags |= CODEC_FLAG_OBMC;
3175 }
3176 if (use_loop) {
3177 video_enc->flags |= CODEC_FLAG_LOOP_FILTER;
3178 }
3179
3180 if(use_part) {
3181 video_enc->flags |= CODEC_FLAG_PART;
3182 }
3183 if (use_alt_scan) {
3184 video_enc->flags |= CODEC_FLAG_ALT_SCAN;
3185 }
3186 if (use_trell) {
3187 video_enc->flags |= CODEC_FLAG_TRELLIS_QUANT;
3188 }
3189 if (use_mv0) {
3190 video_enc->flags |= CODEC_FLAG_MV0;
3191 }
3192 if (do_normalize_aqp) {
3193 video_enc->flags |= CODEC_FLAG_NORMALIZE_AQP;
3194 }
3195 if (use_scan_offset) {
3196 video_enc->flags |= CODEC_FLAG_SVCD_SCAN_OFFSET;
3197 }
3198 if (closed_gop) {
3199 video_enc->flags |= CODEC_FLAG_CLOSED_GOP;
3200 }
3201 if (strict_gop) {
3202 video_enc->flags2 |= CODEC_FLAG2_STRICT_GOP;
3203 }
3204 if (use_qpel) {
3205 video_enc->flags |= CODEC_FLAG_QPEL;
3206 }
3207 if (use_qprd) {
3208 video_enc->flags |= CODEC_FLAG_QP_RD;
3209 }
3210 if (use_cbprd) {
3211 video_enc->flags |= CODEC_FLAG_CBP_RD;
3212 }
3213 if (b_frames) {
3214 video_enc->max_b_frames = b_frames;
3215 video_enc->b_frame_strategy = 0;
3216 video_enc->b_quant_factor = 2.0;
3217 }
3218 if (do_interlace_dct) {
3219 video_enc->flags |= CODEC_FLAG_INTERLACED_DCT;
3220 }
3221 if (do_interlace_me) {
3222 video_enc->flags |= CODEC_FLAG_INTERLACED_ME;
3223 }
3224 if (no_output) {
3225 video_enc->flags2 |= CODEC_FLAG2_NO_OUTPUT;
3226 }
3227 video_enc->qmin = video_qmin;
3228 video_enc->qmax = video_qmax;
3229 video_enc->lmin = video_lmin;
3230 video_enc->lmax = video_lmax;
3231 video_enc->rc_qsquish = video_qsquish;
3232 video_enc->luma_elim_threshold = video_lelim;
3233 video_enc->chroma_elim_threshold = video_celim;
3234 video_enc->mb_lmin = video_mb_lmin;
3235 video_enc->mb_lmax = video_mb_lmax;
3236 video_enc->max_qdiff = video_qdiff;
3237 video_enc->qblur = video_qblur;
3238 video_enc->qcompress = video_qcomp;
3239 video_enc->rc_eq = video_rc_eq;
3240 video_enc->debug = debug;
3241 video_enc->debug_mv = debug_mv;
3242 video_enc->thread_count = thread_count;
3243 p= video_rc_override_string;
3244 for(i=0; p; i++){
3245 int start, end, q;
3246 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3247 if(e!=3){
3248 fprintf(stderr, "error parsing rc_override\n");
3249 exit(1);
3250 }
3251 video_enc->rc_override=
3252 av_realloc(video_enc->rc_override,
3253 sizeof(RcOverride)*(i+1));
3254 video_enc->rc_override[i].start_frame= start;
3255 video_enc->rc_override[i].end_frame = end;
3256 if(q>0){
3257 video_enc->rc_override[i].qscale= q;
3258 video_enc->rc_override[i].quality_factor= 1.0;
3259 }
3260 else{
3261 video_enc->rc_override[i].qscale= 0;
3262 video_enc->rc_override[i].quality_factor= -q/100.0;
3263 }
3264 p= strchr(p, '/');
3265 if(p) p++;
3266 }
3267 video_enc->rc_override_count=i;
3268
3269 video_enc->rc_max_rate = video_rc_max_rate;
3270 video_enc->rc_min_rate = video_rc_min_rate;
3271 video_enc->rc_buffer_size = video_rc_buffer_size;
3272 video_enc->rc_initial_buffer_occupancy = video_rc_buffer_size*3/4;
3273 video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
3274 video_enc->rc_initial_cplx= video_rc_initial_cplx;
3275 video_enc->i_quant_factor = video_i_qfactor;
3276 video_enc->b_quant_factor = video_b_qfactor;
3277 video_enc->i_quant_offset = video_i_qoffset;
3278 video_enc->b_quant_offset = video_b_qoffset;
3279 video_enc->intra_quant_bias = video_intra_quant_bias;
3280 video_enc->inter_quant_bias = video_inter_quant_bias;
3281 video_enc->dct_algo = dct_algo;
3282 video_enc->idct_algo = idct_algo;
3283 video_enc->me_threshold= me_threshold;
3284 video_enc->mb_threshold= mb_threshold;
3285 video_enc->intra_dc_precision= intra_dc_precision - 8;
3286 video_enc->strict_std_compliance = strict;
3287 video_enc->error_rate = error_rate;
3288 video_enc->noise_reduction= noise_reduction;
3289 video_enc->scenechange_threshold= sc_threshold;
3290 video_enc->me_range = me_range;
3291 video_enc->coder_type= coder;
3292 video_enc->context_model= context;
3293 video_enc->prediction_method= predictor;
3294 video_enc->profile= video_profile;
3295 video_enc->level= video_level;
3296 video_enc->nsse_weight= nsse_weight;
3297 video_enc->me_subpel_quality= subpel_quality;
3298 video_enc->frame_skip_threshold= frame_skip_threshold;
3299 video_enc->frame_skip_factor= frame_skip_factor;
3300 video_enc->frame_skip_exp= frame_skip_exp;
3301 video_enc->frame_skip_cmp= frame_skip_cmp;
3302
3303 if(packet_size){
3304 video_enc->rtp_mode= 1;