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[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 #if !defined(INFINITY) && defined(HUGE_VAL)
45 #define INFINITY HUGE_VAL
46 #endif
47
48 /* select an input stream for an output stream */
49 typedef struct AVStreamMap {
50 int file_index;
51 int stream_index;
52 } AVStreamMap;
53
54 extern const OptionDef options[];
55
56 static void show_help(void);
57 static void show_license(void);
58
59 #define MAX_FILES 20
60
61 static AVFormatContext *input_files[MAX_FILES];
62 static int64_t input_files_ts_offset[MAX_FILES];
63 static int nb_input_files = 0;
64
65 static AVFormatContext *output_files[MAX_FILES];
66 static int nb_output_files = 0;
67
68 static AVStreamMap stream_maps[MAX_FILES];
69 static int nb_stream_maps;
70
71 static AVInputFormat *file_iformat;
72 static AVOutputFormat *file_oformat;
73 static AVImageFormat *image_format;
74 static int frame_width = 160;
75 static int frame_height = 128;
76 static float frame_aspect_ratio = 0;
77 static enum PixelFormat frame_pix_fmt = PIX_FMT_YUV420P;
78 static int frame_padtop = 0;
79 static int frame_padbottom = 0;
80 static int frame_padleft = 0;
81 static int frame_padright = 0;
82 static int padcolor[3] = {16,128,128}; /* default to black */
83 static int frame_topBand = 0;
84 static int frame_bottomBand = 0;
85 static int frame_leftBand = 0;
86 static int frame_rightBand = 0;
87 static int frame_rate = 25;
88 static int frame_rate_base = 1;
89 static int video_bit_rate = 200*1000;
90 static int video_bit_rate_tolerance = 4000*1000;
91 static float video_qscale = 0;
92 static int video_qmin = 2;
93 static int video_qmax = 31;
94 static int video_lmin = 2*FF_QP2LAMBDA;
95 static int video_lmax = 31*FF_QP2LAMBDA;
96 static int video_mb_qmin = 2;
97 static int video_mb_qmax = 31;
98 static int video_qdiff = 3;
99 static float video_qblur = 0.5;
100 static float video_qcomp = 0.5;
101 static uint16_t *intra_matrix = NULL;
102 static uint16_t *inter_matrix = NULL;
103 #if 0 //experimental, (can be removed)
104 static float video_rc_qsquish=1.0;
105 static float video_rc_qmod_amp=0;
106 static int video_rc_qmod_freq=0;
107 #endif
108 static char *video_rc_override_string=NULL;
109 static char *video_rc_eq="tex^qComp";
110 static int video_rc_buffer_size=0;
111 static float video_rc_buffer_aggressivity=1.0;
112 static int video_rc_max_rate=0;
113 static int video_rc_min_rate=0;
114 static float video_rc_initial_cplx=0;
115 static float video_b_qfactor = 1.25;
116 static float video_b_qoffset = 1.25;
117 static float video_i_qfactor = -0.8;
118 static float video_i_qoffset = 0.0;
119 static int video_intra_quant_bias= FF_DEFAULT_QUANT_BIAS;
120 static int video_inter_quant_bias= FF_DEFAULT_QUANT_BIAS;
121 static int me_method = ME_EPZS;
122 static int video_disable = 0;
123 static int video_codec_id = CODEC_ID_NONE;
124 static int same_quality = 0;
125 static int b_frames = 0;
126 static int mb_decision = FF_MB_DECISION_SIMPLE;
127 static int ildct_cmp = FF_CMP_VSAD;
128 static int mb_cmp = FF_CMP_SAD;
129 static int sub_cmp = FF_CMP_SAD;
130 static int cmp = FF_CMP_SAD;
131 static int pre_cmp = FF_CMP_SAD;
132 static int pre_me = 0;
133 static float lumi_mask = 0;
134 static float dark_mask = 0;
135 static float scplx_mask = 0;
136 static float tcplx_mask = 0;
137 static float p_mask = 0;
138 static int use_4mv = 0;
139 static int use_obmc = 0;
140 static int use_loop = 0;
141 static int use_aic = 0;
142 static int use_aiv = 0;
143 static int use_umv = 0;
144 static int use_ss = 0;
145 static int use_alt_scan = 0;
146 static int use_trell = 0;
147 static int use_scan_offset = 0;
148 static int use_qpel = 0;
149 static int use_qprd = 0;
150 static int use_cbprd = 0;
151 static int qns = 0;
152 static int closed_gop = 0;
153 static int do_deinterlace = 0;
154 static int do_interlace_dct = 0;
155 static int do_interlace_me = 0;
156 static int workaround_bugs = FF_BUG_AUTODETECT;
157 static int error_resilience = 2;
158 static int error_concealment = 3;
159 static int dct_algo = 0;
160 static int idct_algo = 0;
161 static int use_part = 0;
162 static int packet_size = 0;
163 static int error_rate = 0;
164 static int strict = 0;
165 static int top_field_first = -1;
166 static int noise_reduction = 0;
167 static int sc_threshold = 0;
168 static int debug = 0;
169 static int debug_mv = 0;
170 static int me_threshold = 0;
171 static int mb_threshold = 0;
172 static int intra_dc_precision = 8;
173 static int coder = 0;
174 static int context = 0;
175 static int predictor = 0;
176 extern int loop_input; /* currently a hack */
177
178 static int gop_size = 12;
179 static int intra_only = 0;
180 static int audio_sample_rate = 44100;
181 static int audio_bit_rate = 64000;
182 static int audio_disable = 0;
183 static int audio_channels = 1;
184 static int audio_codec_id = CODEC_ID_NONE;
185
186 static int64_t recording_time = 0;
187 static int64_t start_time = 0;
188 static int64_t rec_timestamp = 0;
189 static int64_t input_ts_offset = 0;
190 static int file_overwrite = 0;
191 static char *str_title = NULL;
192 static char *str_author = NULL;
193 static char *str_copyright = NULL;
194 static char *str_comment = NULL;
195 static int do_benchmark = 0;
196 static int do_hex_dump = 0;
197 static int do_pkt_dump = 0;
198 static int do_psnr = 0;
199 static int do_vstats = 0;
200 static int do_pass = 0;
201 static int bitexact = 0;
202 static char *pass_logfilename = NULL;
203 static int audio_stream_copy = 0;
204 static int video_stream_copy = 0;
205 static int video_sync_method= 1;
206 static int audio_sync_method= 0;
207 static int copy_ts= 0;
208
209 static int rate_emu = 0;
210
211 static char *video_grab_format = "video4linux";
212 static char *video_device = NULL;
213 static int video_channel = 0;
214 static char *video_standard = "ntsc";
215
216 static char *audio_grab_format = "audio_device";
217 static char *audio_device = NULL;
218
219 static int using_stdin = 0;
220 static int using_vhook = 0;
221 static int verbose = 1;
222 static int thread_count= 1;
223 static int q_pressed = 0;
224 static int me_range = 0;
225 static int64_t video_size = 0;
226 static int64_t audio_size = 0;
227 static int64_t extra_size = 0;
228 static int nb_frames_dup = 0;
229 static int nb_frames_drop = 0;
230 static int input_sync;
231
232 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
233
234 typedef struct AVOutputStream {
235 int file_index; /* file index */
236 int index; /* stream index in the output file */
237 int source_index; /* AVInputStream index */
238 AVStream *st; /* stream in the output file */
239 int encoding_needed; /* true if encoding needed for this stream */
240 int frame_number;
241 /* input pts and corresponding output pts
242 for A/V sync */
243 double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
244 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
245 /* video only */
246 int video_resample; /* video_resample and video_crop are mutually exclusive */
247 AVFrame pict_tmp; /* temporary image for resampling */
248 ImgReSampleContext *img_resample_ctx; /* for image resampling */
249
250 int video_crop; /* video_resample and video_crop are mutually exclusive */
251 int topBand; /* cropping area sizes */
252 int leftBand;
253
254 int video_pad; /* video_resample and video_pad are mutually exclusive */
255 int padtop; /* padding area sizes */
256 int padbottom;
257 int padleft;
258 int padright;
259
260 /* audio only */
261 int audio_resample;
262 ReSampleContext *resample; /* for audio resampling */
263 FifoBuffer fifo; /* for compression: one audio fifo per codec */
264 FILE *logfile;
265 } AVOutputStream;
266
267 typedef struct AVInputStream {
268 int file_index;
269 int index;
270 AVStream *st;
271 int discard; /* true if stream data should be discarded */
272 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
273 int64_t sample_index; /* current sample */
274
275 int64_t start; /* time when read started */
276 unsigned long frame; /* current frame */
277 int64_t next_pts; /* synthetic pts for cases where pkt.pts
278 is not defined */
279 int64_t pts; /* current pts */
280 int is_start; /* is 1 at the start and after a discontinuity */
281 } AVInputStream;
282
283 typedef struct AVInputFile {
284 int eof_reached; /* true if eof reached */
285 int ist_index; /* index of first stream in ist_table */
286 int buffer_size; /* current total buffer size */
287 int buffer_size_max; /* buffer size at which we consider we can stop
288 buffering */
289 int nb_streams; /* nb streams we are aware of */
290 } AVInputFile;
291
292 #ifndef CONFIG_WIN32
293
294 /* init terminal so that we can grab keys */
295 static struct termios oldtty;
296
297 static void term_exit(void)
298 {
299 tcsetattr (0, TCSANOW, &oldtty);
300 }
301
302 static volatile sig_atomic_t received_sigterm = 0;
303
304 static void
305 sigterm_handler(int sig)
306 {
307 received_sigterm = sig;
308 term_exit();
309 }
310
311 static void term_init(void)
312 {
313 struct termios tty;
314
315 tcgetattr (0, &tty);
316 oldtty = tty;
317
318 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
319 |INLCR|IGNCR|ICRNL|IXON);
320 tty.c_oflag |= OPOST;
321 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
322 tty.c_cflag &= ~(CSIZE|PARENB);
323 tty.c_cflag |= CS8;
324 tty.c_cc[VMIN] = 1;
325 tty.c_cc[VTIME] = 0;
326
327 tcsetattr (0, TCSANOW, &tty);
328
329 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
330 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
331 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
332 /*
333 register a function to be called at normal program termination
334 */
335 atexit(term_exit);
336 #ifdef CONFIG_BEOS_NETSERVER
337 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
338 #endif
339 }
340
341 /* read a key without blocking */
342 static int read_key(void)
343 {
344 int n = 1;
345 unsigned char ch;
346 #ifndef CONFIG_BEOS_NETSERVER
347 struct timeval tv;
348 fd_set rfds;
349
350 FD_ZERO(&rfds);
351 FD_SET(0, &rfds);
352 tv.tv_sec = 0;
353 tv.tv_usec = 0;
354 n = select(1, &rfds, NULL, NULL, &tv);
355 #endif
356 if (n > 0) {
357 n = read(0, &ch, 1);
358 if (n == 1)
359 return ch;
360
361 return n;
362 }
363 return -1;
364 }
365
366 static int decode_interrupt_cb(void)
367 {
368 return q_pressed || (q_pressed = read_key() == 'q');
369 }
370
371 #else
372
373 static volatile int received_sigterm = 0;
374
375 /* no interactive support */
376 static void term_exit(void)
377 {
378 }
379
380 static void term_init(void)
381 {
382 }
383
384 static int read_key(void)
385 {
386 return 0;
387 }
388
389 #endif
390
391 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
392 {
393 int i, err;
394 AVFormatContext *ic;
395
396 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
397 if (err < 0)
398 return err;
399 /* copy stream format */
400 s->nb_streams = ic->nb_streams;
401 for(i=0;i<ic->nb_streams;i++) {
402 AVStream *st;
403
404 st = av_mallocz(sizeof(AVStream));
405 memcpy(st, ic->streams[i], sizeof(AVStream));
406 s->streams[i] = st;
407 }
408
409 av_close_input_file(ic);
410 return 0;
411 }
412
413 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
414
415 static void do_audio_out(AVFormatContext *s,
416 AVOutputStream *ost,
417 AVInputStream *ist,
418 unsigned char *buf, int size)
419 {
420 uint8_t *buftmp;
421 static uint8_t *audio_buf = NULL;
422 static uint8_t *audio_out = NULL;
423 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
424
425 int size_out, frame_bytes, ret;
426 AVCodecContext *enc= &ost->st->codec;
427
428 /* SC: dynamic allocation of buffers */
429 if (!audio_buf)
430 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
431 if (!audio_out)
432 audio_out = av_malloc(audio_out_size);
433 if (!audio_buf || !audio_out)
434 return; /* Should signal an error ! */
435
436 if(audio_sync_method){
437 double delta = ost->sync_ipts * enc->sample_rate - ost->sync_opts
438 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2);
439 double idelta= delta*ist->st->codec.sample_rate / enc->sample_rate;
440 int byte_delta= ((int)idelta)*2*ist->st->codec.channels;
441
442 //FIXME resample delay
443 if(fabs(delta) > 50){
444 if(ist->is_start){
445 if(byte_delta < 0){
446 byte_delta= FFMAX(byte_delta, -size);
447 size += byte_delta;
448 buf -= byte_delta;
449 if(verbose > 2)
450 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
451 if(!size)
452 return;
453 ist->is_start=0;
454 }else{
455 static uint8_t *input_tmp= NULL;
456 input_tmp= av_realloc(input_tmp, byte_delta + size);
457
458 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
459 ist->is_start=0;
460 else
461 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
462
463 memset(input_tmp, 0, byte_delta);
464 memcpy(input_tmp + byte_delta, buf, size);
465 buf= input_tmp;
466 size += byte_delta;
467 if(verbose > 2)
468 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
469 }
470 }else if(audio_sync_method>1){
471 int comp= clip(delta, -audio_sync_method, audio_sync_method);
472 assert(ost->audio_resample);
473 if(verbose > 2)
474 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
475 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));
476 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
477 }
478 }
479 }else
480 ost->sync_opts= lrintf(ost->sync_ipts * enc->sample_rate)
481 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2); //FIXME wrong
482
483 if (ost->audio_resample) {
484 buftmp = audio_buf;
485 size_out = audio_resample(ost->resample,
486 (short *)buftmp, (short *)buf,
487 size / (ist->st->codec.channels * 2));
488 size_out = size_out * enc->channels * 2;
489 } else {
490 buftmp = buf;
491 size_out = size;
492 }
493
494 /* now encode as many frames as possible */
495 if (enc->frame_size > 1) {
496 /* output resampled raw samples */
497 fifo_write(&ost->fifo, buftmp, size_out,
498 &ost->fifo.wptr);
499
500 frame_bytes = enc->frame_size * 2 * enc->channels;
501
502 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
503 &ost->fifo.rptr) == 0) {
504 AVPacket pkt;
505 av_init_packet(&pkt);
506
507 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
508 (short *)audio_buf);
509 audio_size += ret;
510 pkt.stream_index= ost->index;
511 pkt.data= audio_out;
512 pkt.size= ret;
513 if(enc->coded_frame)
514 pkt.pts= enc->coded_frame->pts;
515 pkt.flags |= PKT_FLAG_KEY;
516 av_interleaved_write_frame(s, &pkt);
517
518 ost->sync_opts += enc->frame_size;
519 }
520 } else {
521 AVPacket pkt;
522 av_init_packet(&pkt);
523
524 ost->sync_opts += size_out / (2 * enc->channels);
525
526 /* output a pcm frame */
527 /* XXX: change encoding codec API to avoid this ? */
528 switch(enc->codec->id) {
529 case CODEC_ID_PCM_S16LE:
530 case CODEC_ID_PCM_S16BE:
531 case CODEC_ID_PCM_U16LE:
532 case CODEC_ID_PCM_U16BE:
533 break;
534 default:
535 size_out = size_out >> 1;
536 break;
537 }
538 ret = avcodec_encode_audio(enc, audio_out, size_out,
539 (short *)buftmp);
540 audio_size += ret;
541 pkt.stream_index= ost->index;
542 pkt.data= audio_out;
543 pkt.size= ret;
544 if(enc->coded_frame)
545 pkt.pts= enc->coded_frame->pts;
546 pkt.flags |= PKT_FLAG_KEY;
547 av_interleaved_write_frame(s, &pkt);
548 }
549 }
550
551 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
552 {
553 AVCodecContext *dec;
554 AVPicture *picture2;
555 AVPicture picture_tmp;
556 uint8_t *buf = 0;
557
558 dec = &ist->st->codec;
559
560 /* deinterlace : must be done before any resize */
561 if (do_deinterlace || using_vhook) {
562 int size;
563
564 /* create temporary picture */
565 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
566 buf = av_malloc(size);
567 if (!buf)
568 return;
569
570 picture2 = &picture_tmp;
571 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
572
573 if (do_deinterlace){
574 if(avpicture_deinterlace(picture2, picture,
575 dec->pix_fmt, dec->width, dec->height) < 0) {
576 /* if error, do not deinterlace */
577 av_free(buf);
578 buf = NULL;
579 picture2 = picture;
580 }
581 } else {
582 if (img_convert(picture2, dec->pix_fmt, picture,
583 dec->pix_fmt, dec->width, dec->height) < 0) {
584 /* if error, do not copy */
585 av_free(buf);
586 buf = NULL;
587 picture2 = picture;
588 }
589 }
590 } else {
591 picture2 = picture;
592 }
593
594 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
595
596 if (picture != picture2)
597 *picture = *picture2;
598 *bufp = buf;
599 }
600
601 /* we begin to correct av delay at this threshold */
602 #define AV_DELAY_MAX 0.100
603
604
605 /* Expects img to be yuv420 */
606 static void fill_pad_region(AVPicture* img, int height, int width,
607 int padtop, int padbottom, int padleft, int padright, int *color) {
608
609 int i, y, shift;
610 uint8_t *optr;
611
612 for (i = 0; i < 3; i++) {
613 shift = (i == 0) ? 0 : 1;
614
615 if (padtop || padleft) {
616 memset(img->data[i], color[i], (((img->linesize[i] * padtop) +
617 padleft) >> shift));
618 }
619
620 if (padleft || padright) {
621 optr = img->data[i] + (img->linesize[i] * (padtop >> shift)) +
622 (img->linesize[i] - (padright >> shift));
623
624 for (y = 0; y < ((height - (padtop + padbottom)) >> shift); y++) {
625 memset(optr, color[i], (padleft + padright) >> shift);
626 optr += img->linesize[i];
627 }
628 }
629
630 if (padbottom) {
631 optr = img->data[i] + (img->linesize[i] * ((height - padbottom) >> shift));
632 memset(optr, color[i], ((img->linesize[i] * padbottom) >> shift));
633 }
634 }
635 }
636
637 static uint8_t *bit_buffer= NULL;
638
639 static void do_video_out(AVFormatContext *s,
640 AVOutputStream *ost,
641 AVInputStream *ist,
642 AVFrame *in_picture,
643 int *frame_size)
644 {
645 int nb_frames, i, ret;
646 AVFrame *final_picture, *formatted_picture;
647 AVFrame picture_format_temp, picture_crop_temp;
648 uint8_t *buf = NULL, *buf1 = NULL;
649 AVCodecContext *enc, *dec;
650 enum PixelFormat target_pixfmt;
651
652 #define VIDEO_BUFFER_SIZE (1024*1024)
653
654 avcodec_get_frame_defaults(&picture_format_temp);
655 avcodec_get_frame_defaults(&picture_crop_temp);
656
657 enc = &ost->st->codec;
658 dec = &ist->st->codec;
659
660 /* by default, we output a single frame */
661 nb_frames = 1;
662
663 *frame_size = 0;
664
665 if(video_sync_method){
666 double vdelta;
667 vdelta = ost->sync_ipts * enc->frame_rate / enc->frame_rate_base - ost->sync_opts;
668 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
669 if (vdelta < -1.1)
670 nb_frames = 0;
671 else if (vdelta > 1.1)
672 nb_frames = 2;
673 //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);
674 if (nb_frames == 0){
675 ++nb_frames_drop;
676 if (verbose>2)
677 fprintf(stderr, "*** drop!\n");
678 }else if (nb_frames == 2) {
679 ++nb_frames_dup;
680 if (verbose>2)
681 fprintf(stderr, "*** dup!\n");
682 }
683 }else
684 ost->sync_opts= lrintf(ost->sync_ipts * enc->frame_rate / enc->frame_rate_base);
685
686 if (nb_frames <= 0)
687 return;
688
689 /* convert pixel format if needed */
690 target_pixfmt = ost->video_resample || ost->video_pad
691 ? PIX_FMT_YUV420P : enc->pix_fmt;
692 if (dec->pix_fmt != target_pixfmt) {
693 int size;
694
695 /* create temporary picture */
696 size = avpicture_get_size(target_pixfmt, dec->width, dec->height);
697 buf = av_malloc(size);
698 if (!buf)
699 return;
700 formatted_picture = &picture_format_temp;
701 avpicture_fill((AVPicture*)formatted_picture, buf, target_pixfmt, dec->width, dec->height);
702
703 if (img_convert((AVPicture*)formatted_picture, target_pixfmt,
704 (AVPicture *)in_picture, dec->pix_fmt,
705 dec->width, dec->height) < 0) {
706
707 if (verbose >= 0)
708 fprintf(stderr, "pixel format conversion not handled\n");
709
710 goto the_end;
711 }
712 } else {
713 formatted_picture = in_picture;
714 }
715
716 /* XXX: resampling could be done before raw format conversion in
717 some cases to go faster */
718 /* XXX: only works for YUV420P */
719 if (ost->video_resample) {
720 final_picture = &ost->pict_tmp;
721 img_resample(ost->img_resample_ctx, (AVPicture*)final_picture, (AVPicture*)formatted_picture);
722
723 if (ost->padtop || ost->padbottom || ost->padleft || ost->padright) {
724 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
725 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
726 padcolor);
727 }
728
729 if (enc->pix_fmt != PIX_FMT_YUV420P) {
730 int size;
731
732 av_free(buf);
733 /* create temporary picture */
734 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
735 buf = av_malloc(size);
736 if (!buf)
737 return;
738 final_picture = &picture_format_temp;
739 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
740
741 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
742 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
743 enc->width, enc->height) < 0) {
744
745 if (verbose >= 0)
746 fprintf(stderr, "pixel format conversion not handled\n");
747
748 goto the_end;
749 }
750 }
751 } else if (ost->video_crop) {
752 picture_crop_temp.data[0] = formatted_picture->data[0] +
753 (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
754
755 picture_crop_temp.data[1] = formatted_picture->data[1] +
756 ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
757 (ost->leftBand >> 1);
758
759 picture_crop_temp.data[2] = formatted_picture->data[2] +
760 ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
761 (ost->leftBand >> 1);
762
763 picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
764 picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
765 picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
766 final_picture = &picture_crop_temp;
767 } else if (ost->video_pad) {
768 final_picture = &ost->pict_tmp;
769
770 for (i = 0; i < 3; i++) {
771 uint8_t *optr, *iptr;
772 int shift = (i == 0) ? 0 : 1;
773 int y, yheight;
774
775 /* set offset to start writing image into */
776 optr = final_picture->data[i] + (((final_picture->linesize[i] *
777 ost->padtop) + ost->padleft) >> shift);
778 iptr = formatted_picture->data[i];
779
780 yheight = (enc->height - ost->padtop - ost->padbottom) >> shift;
781 for (y = 0; y < yheight; y++) {
782 /* copy unpadded image row into padded image row */
783 memcpy(optr, iptr, formatted_picture->linesize[i]);
784 optr += final_picture->linesize[i];
785 iptr += formatted_picture->linesize[i];
786 }
787 }
788
789 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
790 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
791 padcolor);
792
793 if (enc->pix_fmt != PIX_FMT_YUV420P) {
794 int size;
795
796 av_free(buf);
797 /* create temporary picture */
798 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
799 buf = av_malloc(size);
800 if (!buf)
801 return;
802 final_picture = &picture_format_temp;
803 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
804
805 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
806 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
807 enc->width, enc->height) < 0) {
808
809 if (verbose >= 0)
810 fprintf(stderr, "pixel format conversion not handled\n");
811
812 goto the_end;
813 }
814 }
815 } else {
816 final_picture = formatted_picture;
817 }
818 /* duplicates frame if needed */
819 for(i=0;i<nb_frames;i++) {
820 AVPacket pkt;
821 av_init_packet(&pkt);
822 pkt.stream_index= ost->index;
823
824 if (s->oformat->flags & AVFMT_RAWPICTURE) {
825 /* raw pictures are written as AVPicture structure to
826 avoid any copies. We support temorarily the older
827 method. */
828 AVFrame* old_frame = enc->coded_frame;
829 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
830 pkt.data= (uint8_t *)final_picture;
831 pkt.size= sizeof(AVPicture);
832 if(dec->coded_frame)
833 pkt.pts= dec->coded_frame->pts;
834 if(dec->coded_frame && dec->coded_frame->key_frame)
835 pkt.flags |= PKT_FLAG_KEY;
836
837 av_interleaved_write_frame(s, &pkt);
838 enc->coded_frame = old_frame;
839 } else {
840 AVFrame big_picture;
841
842 big_picture= *final_picture;
843 /* better than nothing: use input picture interlaced
844 settings */
845 big_picture.interlaced_frame = in_picture->interlaced_frame;
846 if(do_interlace_me || do_interlace_dct){
847 if(top_field_first == -1)
848 big_picture.top_field_first = in_picture->top_field_first;
849 else
850 big_picture.top_field_first = top_field_first;
851 }
852
853 /* handles sameq here. This is not correct because it may
854 not be a global option */
855 if (same_quality) {
856 big_picture.quality = ist->st->quality;
857 }else
858 big_picture.quality = ost->st->quality;
859 if(!me_threshold)
860 big_picture.pict_type = 0;
861 // big_picture.pts = AV_NOPTS_VALUE;
862 big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->frame_rate_base, enc->frame_rate);
863 //av_log(NULL, AV_LOG_DEBUG, "%lld -> encoder\n", ost->sync_opts);
864 ret = avcodec_encode_video(enc,
865 bit_buffer, VIDEO_BUFFER_SIZE,
866 &big_picture);
867 //enc->frame_number = enc->real_pict_num;
868 if(ret){
869 pkt.data= bit_buffer;
870 pkt.size= ret;
871 if(enc->coded_frame)
872 pkt.pts= enc->coded_frame->pts;
873 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %lld/%lld\n",
874 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->frame_rate, AV_TIME_BASE*(int64_t)enc->frame_rate_base) : -1,
875 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->frame_rate, AV_TIME_BASE*(int64_t)enc->frame_rate_base) : -1);*/
876
877 if(enc->coded_frame && enc->coded_frame->key_frame)
878 pkt.flags |= PKT_FLAG_KEY;
879 av_interleaved_write_frame(s, &pkt);
880 *frame_size = ret;
881 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
882 // enc->frame_number-1, enc->real_pict_num, ret,
883 // enc->pict_type);
884 /* if two pass, output log */
885 if (ost->logfile && enc->stats_out) {
886 fprintf(ost->logfile, "%s", enc->stats_out);
887 }
888 }
889 }
890 ost->sync_opts++;
891 ost->frame_number++;
892 }
893 the_end:
894 av_free(buf);
895 av_free(buf1);
896 }
897
898 static double psnr(double d){
899 if(d==0) return INFINITY;
900 return -10.0*log(d)/log(10.0);
901 }
902
903 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
904 int frame_size)
905 {
906 static FILE *fvstats=NULL;
907 char filename[40];
908 time_t today2;
909 struct tm *today;
910 AVCodecContext *enc;
911 int frame_number;
912 int64_t ti;
913 double ti1, bitrate, avg_bitrate;
914
915 if (!fvstats) {
916 today2 = time(NULL);
917 today = localtime(&today2);
918 sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour,
919 today->tm_min,
920 today->tm_sec);
921 fvstats = fopen(filename,"w");
922 if (!fvstats) {
923 perror("fopen");
924 exit(1);
925 }
926 }
927
928 ti = MAXINT64;
929 enc = &ost->st->codec;
930 if (enc->codec_type == CODEC_TYPE_VIDEO) {
931 frame_number = ost->frame_number;
932 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
933 if (enc->flags&CODEC_FLAG_PSNR)
934 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
935
936 fprintf(fvstats,"f_size= %6d ", frame_size);
937 /* compute pts value */
938 ti1 = (double)ost->sync_opts *enc->frame_rate_base / enc->frame_rate;
939 if (ti1 < 0.01)
940 ti1 = 0.01;
941
942 bitrate = (double)(frame_size * 8) * enc->frame_rate / enc->frame_rate_base / 1000.0;
943 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
944 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
945 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
946 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
947 }
948 }
949
950 static void print_report(AVFormatContext **output_files,
951 AVOutputStream **ost_table, int nb_ostreams,
952 int is_last_report)
953 {
954 char buf[1024];
955 AVOutputStream *ost;
956 AVFormatContext *oc, *os;
957 int64_t total_size;
958 AVCodecContext *enc;
959 int frame_number, vid, i;
960 double bitrate, ti1, pts;
961 static int64_t last_time = -1;
962
963 if (!is_last_report) {
964 int64_t cur_time;
965 /* display the report every 0.5 seconds */
966 cur_time = av_gettime();
967 if (last_time == -1) {
968 last_time = cur_time;
969 return;
970 }
971 if ((cur_time - last_time) < 500000)
972 return;
973 last_time = cur_time;
974 }
975
976
977 oc = output_files[0];
978
979 total_size = url_ftell(&oc->pb);
980
981 buf[0] = '\0';
982 ti1 = 1e10;
983 vid = 0;
984 for(i=0;i<nb_ostreams;i++) {
985 ost = ost_table[i];
986 os = output_files[ost->file_index];
987 enc = &ost->st->codec;
988 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
989 sprintf(buf + strlen(buf), "q=%2.1f ",
990 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
991 }
992 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
993 frame_number = ost->frame_number;
994 sprintf(buf + strlen(buf), "frame=%5d q=%2.1f ",
995 frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : 0);
996 if(is_last_report)
997 sprintf(buf + strlen(buf), "L");
998 if (enc->flags&CODEC_FLAG_PSNR){
999 int j;
1000 double error, error_sum=0;
1001 double scale, scale_sum=0;
1002 char type[3]= {'Y','U','V'};
1003 sprintf(buf + strlen(buf), "PSNR=");
1004 for(j=0; j<3; j++){
1005 if(is_last_report){
1006 error= enc->error[j];
1007 scale= enc->width*enc->height*255.0*255.0*frame_number;
1008 }else{
1009 error= enc->coded_frame->error[j];
1010 scale= enc->width*enc->height*255.0*255.0;
1011 }
1012 if(j) scale/=4;
1013 error_sum += error;
1014 scale_sum += scale;
1015 sprintf(buf + strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1016 }
1017 sprintf(buf + strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1018 }
1019 vid = 1;
1020 }
1021 /* compute min output value */
1022 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1023 if ((pts < ti1) && (pts > 0))
1024 ti1 = pts;
1025 }
1026 if (ti1 < 0.01)
1027 ti1 = 0.01;
1028
1029 if (verbose || is_last_report) {
1030 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1031
1032 sprintf(buf + strlen(buf),
1033 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1034 (double)total_size / 1024, ti1, bitrate);
1035
1036 if (verbose > 1)
1037 sprintf(buf + strlen(buf), " dup=%d drop=%d",
1038 nb_frames_dup, nb_frames_drop);
1039
1040 if (verbose >= 0)
1041 fprintf(stderr, "%s \r", buf);
1042
1043 fflush(stderr);
1044 }
1045
1046 if (is_last_report && verbose >= 0){
1047 int64_t raw= audio_size + video_size + extra_size;
1048 fprintf(stderr, "\n");
1049 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1050 video_size/1024.0,
1051 audio_size/1024.0,
1052 extra_size/1024.0,
1053 100.0*(total_size - raw)/raw
1054 );
1055 }
1056 }
1057
1058 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1059 static int output_packet(AVInputStream *ist, int ist_index,
1060 AVOutputStream **ost_table, int nb_ostreams,
1061 const AVPacket *pkt)
1062 {
1063 AVFormatContext *os;
1064 AVOutputStream *ost;
1065 uint8_t *ptr;
1066 int len, ret, i;
1067 uint8_t *data_buf;
1068 int data_size, got_picture;
1069 AVFrame picture;
1070 short samples[AVCODEC_MAX_AUDIO_FRAME_SIZE / 2];
1071 void *buffer_to_free;
1072
1073 if (pkt && pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1074 ist->next_pts = ist->pts = pkt->dts;
1075 } else {
1076 assert(ist->pts == ist->next_pts);
1077 }
1078
1079 if (pkt == NULL) {
1080 /* EOF handling */
1081 ptr = NULL;
1082 len = 0;
1083 goto handle_eof;
1084 }
1085
1086 len = pkt->size;
1087 ptr = pkt->data;
1088 while (len > 0) {
1089 handle_eof:
1090 /* decode the packet if needed */
1091 data_buf = NULL; /* fail safe */
1092 data_size = 0;
1093 if (ist->decoding_needed) {
1094 switch(ist->st->codec.codec_type) {
1095 case CODEC_TYPE_AUDIO:
1096 /* XXX: could avoid copy if PCM 16 bits with same
1097 endianness as CPU */
1098 ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
1099 ptr, len);
1100 if (ret < 0)
1101 goto fail_decode;
1102 ptr += ret;
1103 len -= ret;
1104 /* Some bug in mpeg audio decoder gives */
1105 /* data_size < 0, it seems they are overflows */
1106 if (data_size <= 0) {
1107 /* no audio frame */
1108 continue;
1109 }
1110 data_buf = (uint8_t *)samples;
1111 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1112 (ist->st->codec.sample_rate * ist->st->codec.channels);
1113 break;
1114 case CODEC_TYPE_VIDEO:
1115 data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
1116 /* XXX: allocate picture correctly */
1117 avcodec_get_frame_defaults(&picture);
1118
1119 ret = avcodec_decode_video(&ist->st->codec,
1120 &picture, &got_picture, ptr, len);
1121 ist->st->quality= picture.quality;
1122 if (ret < 0)
1123 goto fail_decode;
1124 if (!got_picture) {
1125 /* no picture yet */
1126 goto discard_packet;
1127 }
1128 if (ist->st->codec.frame_rate_base != 0) {
1129 ist->next_pts += ((int64_t)AV_TIME_BASE *
1130 ist->st->codec.frame_rate_base) /
1131 ist->st->codec.frame_rate;
1132 }
1133 len = 0;
1134 break;
1135 default:
1136 goto fail_decode;
1137 }
1138 } else {
1139 data_buf = ptr;
1140 data_size = len;
1141 ret = len;
1142 len = 0;
1143 }
1144
1145 buffer_to_free = NULL;
1146 if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1147 pre_process_video_frame(ist, (AVPicture *)&picture,
1148 &buffer_to_free);
1149 }
1150
1151 /* frame rate emulation */
1152 if (ist->st->codec.rate_emu) {
1153 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec.frame_rate_base, 1000000, ist->st->codec.frame_rate);
1154 int64_t now = av_gettime() - ist->start;
1155 if (pts > now)
1156 usleep(pts - now);
1157
1158 ist->frame++;
1159 }
1160
1161 #if 0
1162 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1163 is the one of the next displayed one */
1164 /* XXX: add mpeg4 too ? */
1165 if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
1166 if (ist->st->codec.pict_type != B_TYPE) {
1167 int64_t tmp;
1168 tmp = ist->last_ip_pts;
1169 ist->last_ip_pts = ist->frac_pts.val;
1170 ist->frac_pts.val = tmp;
1171 }
1172 }
1173 #endif
1174 /* if output time reached then transcode raw format,
1175 encode packets and output them */
1176 if (start_time == 0 || ist->pts >= start_time)
1177 for(i=0;i<nb_ostreams;i++) {
1178 int frame_size;
1179
1180 ost = ost_table[i];
1181 if (ost->source_index == ist_index) {
1182 os = output_files[ost->file_index];
1183
1184 #if 0
1185 printf("%d: got pts=%0.3f %0.3f\n", i,
1186 (double)pkt->pts / AV_TIME_BASE,
1187 ((double)ist->pts / AV_TIME_BASE) -
1188 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1189 #endif
1190 /* set the input output pts pairs */
1191 ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index])/ AV_TIME_BASE;
1192
1193 if (ost->encoding_needed) {
1194 switch(ost->st->codec.codec_type) {
1195 case CODEC_TYPE_AUDIO:
1196 do_audio_out(os, ost, ist, data_buf, data_size);
1197 break;
1198 case CODEC_TYPE_VIDEO:
1199 /* find an audio stream for synchro */
1200 {
1201 int i;
1202 AVOutputStream *audio_sync, *ost1;
1203 audio_sync = NULL;
1204 for(i=0;i<nb_ostreams;i++) {
1205 ost1 = ost_table[i];
1206 if (ost1->file_index == ost->file_index &&
1207 ost1->st->codec.codec_type == CODEC_TYPE_AUDIO) {
1208 audio_sync = ost1;
1209 break;
1210 }
1211 }
1212
1213 do_video_out(os, ost, ist, &picture, &frame_size);
1214 video_size += frame_size;
1215 if (do_vstats && frame_size)
1216 do_video_stats(os, ost, frame_size);
1217 }
1218 break;
1219 default:
1220 av_abort();
1221 }
1222 } else {
1223 AVFrame avframe; //FIXME/XXX remove this
1224 AVPacket opkt;
1225 av_init_packet(&opkt);
1226
1227 /* no reencoding needed : output the packet directly */
1228 /* force the input stream PTS */
1229
1230 avcodec_get_frame_defaults(&avframe);
1231 ost->st->codec.coded_frame= &avframe;
1232 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1233
1234 if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO)
1235 audio_size += data_size;
1236 else if (ost->st->codec.codec_type == CODEC_TYPE_VIDEO)
1237 video_size += data_size;
1238
1239 opkt.stream_index= ost->index;
1240 opkt.data= data_buf;
1241 opkt.size= data_size;
1242 opkt.pts= pkt->pts + input_files_ts_offset[ist->file_index];
1243 opkt.dts= pkt->dts + input_files_ts_offset[ist->file_index];
1244 opkt.flags= pkt->flags;
1245
1246 av_interleaved_write_frame(os, &opkt);
1247 ost->st->codec.frame_number++;
1248 ost->frame_number++;
1249 }
1250 }
1251 }
1252 av_free(buffer_to_free);
1253 }
1254 discard_packet:
1255 if (pkt == NULL) {
1256 /* EOF handling */
1257
1258 for(i=0;i<nb_ostreams;i++) {
1259 ost = ost_table[i];
1260 if (ost->source_index == ist_index) {
1261 AVCodecContext *enc= &ost->st->codec;
1262 os = output_files[ost->file_index];
1263
1264 if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1265 continue;
1266 if(ost->st->codec.codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1267 continue;
1268
1269 if (ost->encoding_needed) {
1270 for(;;) {
1271 AVPacket pkt;
1272 av_init_packet(&pkt);
1273 pkt.stream_index= ost->index;
1274
1275 switch(ost->st->codec.codec_type) {
1276 case CODEC_TYPE_AUDIO:
1277 ret = avcodec_encode_audio(enc, bit_buffer, VIDEO_BUFFER_SIZE, NULL);
1278 audio_size += ret;
1279 pkt.flags |= PKT_FLAG_KEY;
1280 break;
1281 case CODEC_TYPE_VIDEO:
1282 ret = avcodec_encode_video(enc, bit_buffer, VIDEO_BUFFER_SIZE, NULL);
1283 video_size += ret;
1284 if(enc->coded_frame && enc->coded_frame->key_frame)
1285 pkt.flags |= PKT_FLAG_KEY;
1286 if (ost->logfile && enc->stats_out) {
1287 fprintf(ost->logfile, "%s", enc->stats_out);
1288 }
1289 break;
1290 default:
1291 ret=-1;
1292 }
1293
1294 if(ret<=0)
1295 break;
1296 pkt.data= bit_buffer;
1297 pkt.size= ret;
1298 if(enc->coded_frame)
1299 pkt.pts= enc->coded_frame->pts;
1300 av_interleaved_write_frame(os, &pkt);
1301 }
1302 }
1303 }
1304 }
1305 }
1306
1307 return 0;
1308 fail_decode:
1309 return -1;
1310 }
1311
1312
1313 /*
1314 * The following code is the main loop of the file converter
1315 */
1316 static int av_encode(AVFormatContext **output_files,
1317 int nb_output_files,
1318 AVFormatContext **input_files,
1319 int nb_input_files,
1320 AVStreamMap *stream_maps, int nb_stream_maps)
1321 {
1322 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1323 AVFormatContext *is, *os;
1324 AVCodecContext *codec, *icodec;
1325 AVOutputStream *ost, **ost_table = NULL;
1326 AVInputStream *ist, **ist_table = NULL;
1327 AVInputFile *file_table;
1328 AVFormatContext *stream_no_data;
1329 int key;
1330
1331 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1332 if (!file_table)
1333 goto fail;
1334
1335 if (!bit_buffer)
1336 bit_buffer = av_malloc(VIDEO_BUFFER_SIZE);
1337 if (!bit_buffer)
1338 goto fail;
1339
1340 /* input stream init */
1341 j = 0;
1342 for(i=0;i<nb_input_files;i++) {
1343 is = input_files[i];
1344 file_table[i].ist_index = j;
1345 file_table[i].nb_streams = is->nb_streams;
1346 j += is->nb_streams;
1347 }
1348 nb_istreams = j;
1349
1350 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1351 if (!ist_table)
1352 goto fail;
1353
1354 for(i=0;i<nb_istreams;i++) {
1355 ist = av_mallocz(sizeof(AVInputStream));
1356 if (!ist)
1357 goto fail;
1358 ist_table[i] = ist;
1359 }
1360 j = 0;
1361 for(i=0;i<nb_input_files;i++) {
1362 is = input_files[i];
1363 for(k=0;k<is->nb_streams;k++) {
1364 ist = ist_table[j++];
1365 ist->st = is->streams[k];
1366 ist->file_index = i;
1367 ist->index = k;
1368 ist->discard = 1; /* the stream is discarded by default
1369 (changed later) */
1370
1371 if (ist->st->codec.rate_emu) {
1372 ist->start = av_gettime();
1373 ist->frame = 0;
1374 }
1375 }
1376 }
1377
1378 /* output stream init */
1379 nb_ostreams = 0;
1380 for(i=0;i<nb_output_files;i++) {
1381 os = output_files[i];
1382 nb_ostreams += os->nb_streams;
1383 }
1384 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1385 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1386 exit(1);
1387 }
1388
1389 /* Sanity check the mapping args -- do the input files & streams exist? */
1390 for(i=0;i<nb_stream_maps;i++) {
1391 int fi = stream_maps[i].file_index;
1392 int si = stream_maps[i].stream_index;
1393
1394 if (fi < 0 || fi > nb_input_files - 1 ||
1395 si < 0 || si > file_table[fi].nb_streams - 1) {
1396 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1397 exit(1);
1398 }
1399 }
1400
1401 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1402 if (!ost_table)
1403 goto fail;
1404 for(i=0;i<nb_ostreams;i++) {
1405 ost = av_mallocz(sizeof(AVOutputStream));
1406 if (!ost)
1407 goto fail;
1408 ost_table[i] = ost;
1409 }
1410
1411 n = 0;
1412 for(k=0;k<nb_output_files;k++) {
1413 os = output_files[k];
1414 for(i=0;i<os->nb_streams;i++) {
1415 int found;
1416 ost = ost_table[n++];
1417 ost->file_index = k;
1418 ost->index = i;
1419 ost->st = os->streams[i];
1420 if (nb_stream_maps > 0) {
1421 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1422 stream_maps[n-1].stream_index;
1423
1424 /* Sanity check that the stream types match */
1425 if (ist_table[ost->source_index]->st->codec.codec_type != ost->st->codec.codec_type) {
1426 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1427 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1428 ost->file_index, ost->index);
1429 exit(1);
1430 }
1431
1432 } else {
1433 /* get corresponding input stream index : we select the first one with the right type */
1434 found = 0;
1435 for(j=0;j<nb_istreams;j++) {
1436 ist = ist_table[j];
1437 if (ist->discard &&
1438 ist->st->codec.codec_type == ost->st->codec.codec_type) {
1439 ost->source_index = j;
1440 found = 1;
1441 }
1442 }
1443
1444 if (!found) {
1445 /* try again and reuse existing stream */
1446 for(j=0;j<nb_istreams;j++) {
1447 ist = ist_table[j];
1448 if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
1449 ost->source_index = j;
1450 found = 1;
1451 }
1452 }
1453 if (!found) {
1454 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1455 ost->file_index, ost->index);
1456 exit(1);
1457 }
1458 }
1459 }
1460 ist = ist_table[ost->source_index];
1461 ist->discard = 0;
1462 }
1463 }
1464
1465 /* for each output stream, we compute the right encoding parameters */
1466 for(i=0;i<nb_ostreams;i++) {
1467 ost = ost_table[i];
1468 ist = ist_table[ost->source_index];
1469
1470 codec = &ost->st->codec;
1471 icodec = &ist->st->codec;
1472
1473 if (ost->st->stream_copy) {
1474 /* if stream_copy is selected, no need to decode or encode */
1475 codec->codec_id = icodec->codec_id;
1476 codec->codec_type = icodec->codec_type;
1477 codec->codec_tag = icodec->codec_tag;
1478 codec->bit_rate = icodec->bit_rate;
1479 switch(codec->codec_type) {
1480 case CODEC_TYPE_AUDIO:
1481 codec->sample_rate = icodec->sample_rate;
1482 codec->channels = icodec->channels;
1483 codec->frame_size = icodec->frame_size;
1484 break;
1485 case CODEC_TYPE_VIDEO:
1486 codec->frame_rate = icodec->frame_rate;
1487 codec->frame_rate_base = icodec->frame_rate_base;
1488 codec->width = icodec->width;
1489 codec->height = icodec->height;
1490 break;
1491 default:
1492 av_abort();
1493 }
1494 } else {
1495 switch(codec->codec_type) {
1496 case CODEC_TYPE_AUDIO:
1497 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1498 goto fail;
1499
1500 if (codec->channels == icodec->channels &&
1501 codec->sample_rate == icodec->sample_rate) {
1502 ost->audio_resample = 0;
1503 } else {
1504 if (codec->channels != icodec->channels &&
1505 (icodec->codec_id == CODEC_ID_AC3 ||
1506 icodec->codec_id == CODEC_ID_DTS)) {
1507 /* Special case for 5:1 AC3 and DTS input */
1508 /* and mono or stereo output */
1509 /* Request specific number of channels */
1510 icodec->channels = codec->channels;
1511 if (codec->sample_rate == icodec->sample_rate)
1512 ost->audio_resample = 0;
1513 else {
1514 ost->audio_resample = 1;
1515 }
1516 } else {
1517 ost->audio_resample = 1;
1518 }
1519 }
1520 if(audio_sync_method>1)
1521 ost->audio_resample = 1;
1522
1523 if(ost->audio_resample){
1524 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1525 codec->sample_rate, icodec->sample_rate);
1526 if(!ost->resample){
1527 printf("Can't resample. Aborting.\n");
1528 av_abort();
1529 }
1530 }
1531 ist->decoding_needed = 1;
1532 ost->encoding_needed = 1;
1533 break;
1534 case CODEC_TYPE_VIDEO:
1535 if (codec->width == icodec->width &&
1536 codec->height == icodec->height &&
1537 frame_topBand == 0 &&
1538 frame_bottomBand == 0 &&
1539 frame_leftBand == 0 &&
1540 frame_rightBand == 0 &&
1541 frame_padtop == 0 &&
1542 frame_padbottom == 0 &&
1543 frame_padleft == 0 &&
1544 frame_padright == 0)
1545 {
1546 ost->video_resample = 0;
1547 ost->video_crop = 0;
1548 ost->video_pad = 0;
1549 } else if ((codec->width == icodec->width -
1550 (frame_leftBand + frame_rightBand)) &&
1551 (codec->height == icodec->height -
1552 (frame_topBand + frame_bottomBand)))
1553 {
1554 ost->video_resample = 0;
1555 ost->video_crop = 1;
1556 ost->topBand = frame_topBand;
1557 ost->leftBand = frame_leftBand;
1558 } else if ((codec->width == icodec->width +
1559 (frame_padleft + frame_padright)) &&
1560 (codec->height == icodec->height +
1561 (frame_padtop + frame_padbottom))) {
1562 ost->video_resample = 0;
1563 ost->video_crop = 0;
1564 ost->video_pad = 1;
1565 ost->padtop = frame_padtop;
1566 ost->padleft = frame_padleft;
1567 ost->padbottom = frame_padbottom;
1568 ost->padright = frame_padright;
1569 avcodec_get_frame_defaults(&ost->pict_tmp);
1570 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1571 codec->width, codec->height ) )
1572 goto fail;
1573 } else {
1574 ost->video_resample = 1;
1575 ost->video_crop = 0; // cropping is handled as part of resample
1576 avcodec_get_frame_defaults(&ost->pict_tmp);
1577 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1578 codec->width, codec->height ) )
1579 goto fail;
1580
1581 ost->img_resample_ctx = img_resample_full_init(
1582 ost->st->codec.width, ost->st->codec.height,
1583 ist->st->codec.width, ist->st->codec.height,
1584 frame_topBand, frame_bottomBand,
1585 frame_leftBand, frame_rightBand,
1586 frame_padtop, frame_padbottom,
1587 frame_padleft, frame_padright);
1588
1589 ost->padtop = frame_padtop;
1590 ost->padleft = frame_padleft;
1591 ost->padbottom = frame_padbottom;
1592 ost->padright = frame_padright;
1593
1594 }
1595 ost->encoding_needed = 1;
1596 ist->decoding_needed = 1;
1597 break;
1598 default:
1599 av_abort();
1600 }
1601 /* two pass mode */
1602 if (ost->encoding_needed &&
1603 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1604 char logfilename[1024];
1605 FILE *f;
1606 int size;
1607 char *logbuffer;
1608
1609 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1610 pass_logfilename ?
1611 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1612 if (codec->flags & CODEC_FLAG_PASS1) {
1613 f = fopen(logfilename, "w");
1614 if (!f) {
1615 perror(logfilename);
1616 exit(1);
1617 }
1618 ost->logfile = f;
1619 } else {
1620 /* read the log file */
1621 f = fopen(logfilename, "r");
1622 if (!f) {
1623 perror(logfilename);
1624 exit(1);
1625 }
1626 fseek(f, 0, SEEK_END);
1627 size = ftell(f);
1628 fseek(f, 0, SEEK_SET);
1629 logbuffer = av_malloc(size + 1);
1630 if (!logbuffer) {
1631 fprintf(stderr, "Could not allocate log buffer\n");
1632 exit(1);
1633 }
1634 size = fread(logbuffer, 1, size, f);
1635 fclose(f);
1636 logbuffer[size] = '\0';
1637 codec->stats_in = logbuffer;
1638 }
1639 }
1640 }
1641 }
1642
1643 /* dump the file output parameters - cannot be done before in case
1644 of stream copy */
1645 for(i=0;i<nb_output_files;i++) {
1646 dump_format(output_files[i], i, output_files[i]->filename, 1);
1647 }
1648
1649 /* dump the stream mapping */
1650 if (verbose >= 0) {
1651 fprintf(stderr, "Stream mapping:\n");
1652 for(i=0;i<nb_ostreams;i++) {
1653 ost = ost_table[i];
1654 fprintf(stderr, " Stream #%d.%d -> #%d.%d\n",
1655 ist_table[ost->source_index]->file_index,
1656 ist_table[ost->source_index]->index,
1657 ost->file_index,
1658 ost->index);
1659 }
1660 }
1661
1662 /* open each encoder */
1663 for(i=0;i<nb_ostreams;i++) {
1664 ost = ost_table[i];
1665 if (ost->encoding_needed) {
1666 AVCodec *codec;
1667 codec = avcodec_find_encoder(ost->st->codec.codec_id);
1668 if (!codec) {
1669 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1670 ost->file_index, ost->index);
1671 exit(1);
1672 }
1673 if (avcodec_open(&ost->st->codec, codec) < 0) {
1674 fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1675 ost->file_index, ost->index);
1676 exit(1);
1677 }
1678 extra_size += ost->st->codec.extradata_size;
1679 }
1680 }
1681
1682 /* open each decoder */
1683 for(i=0;i<nb_istreams;i++) {
1684 ist = ist_table[i];
1685 if (ist->decoding_needed) {
1686 AVCodec *codec;
1687 codec = avcodec_find_decoder(ist->st->codec.codec_id);
1688 if (!codec) {
1689 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1690 ist->st->codec.codec_id, ist->file_index, ist->index);
1691 exit(1);
1692 }
1693 if (avcodec_open(&ist->st->codec, codec) < 0) {
1694 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1695 ist->file_index, ist->index);
1696 exit(1);
1697 }
1698 //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1699 // ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1700 }
1701 }
1702
1703 /* init pts */
1704 for(i=0;i<nb_istreams;i++) {
1705 ist = ist_table[i];
1706 is = input_files[ist->file_index];
1707 ist->pts = 0;
1708 ist->next_pts = 0;
1709 ist->is_start = 1;
1710 }
1711
1712 /* compute buffer size max (should use a complete heuristic) */
1713 for(i=0;i<nb_input_files;i++) {
1714 file_table[i].buffer_size_max = 2048;
1715 }
1716
1717 /* open files and write file headers */
1718 for(i=0;i<nb_output_files;i++) {
1719 os = output_files[i];
1720 if (av_write_header(os) < 0) {
1721 fprintf(stderr, "Could not write header for output file #%d (incorrect codec paramters ?)\n", i);
1722 ret = -EINVAL;
1723 goto fail;
1724 }
1725 }
1726
1727 #ifndef CONFIG_WIN32
1728 if ( !using_stdin && verbose >= 0) {
1729 fprintf(stderr, "Press [q] to stop encoding\n");
1730 url_set_interrupt_cb(decode_interrupt_cb);
1731 }
1732 #endif
1733 term_init();
1734
1735 stream_no_data = 0;
1736 key = -1;
1737
1738 for(; received_sigterm == 0;) {
1739 int file_index, ist_index;
1740 AVPacket pkt;
1741 double ipts_min= 1e100;
1742 double opts_min= 1e100;
1743
1744 redo:
1745 /* if 'q' pressed, exits */
1746 if (!using_stdin) {
1747 if (q_pressed)
1748 break;
1749 /* read_key() returns 0 on EOF */
1750 key = read_key();
1751 if (key == 'q')
1752 break;
1753 }
1754
1755 /* select the stream that we must read now by looking at the
1756 smallest output pts */
1757 file_index = -1;
1758 for(i=0;i<nb_ostreams;i++) {
1759 double ipts, opts;
1760 ost = ost_table[i];
1761 os = output_files[ost->file_index];
1762 ist = ist_table[ost->source_index];
1763 if(ost->st->codec.codec_type == CODEC_TYPE_VIDEO)
1764 opts = (double)ost->sync_opts * ost->st->codec.frame_rate_base / ost->st->codec.frame_rate;
1765 else
1766 opts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1767 ipts = (double)ist->pts;
1768 if (!file_table[ist->file_index].eof_reached){
1769 if(ipts < ipts_min) {
1770 ipts_min = ipts;
1771 if(input_sync ) file_index = ist->file_index;
1772 }
1773 if(opts < opts_min) {
1774 opts_min = opts;
1775 if(!input_sync) file_index = ist->file_index;
1776 }
1777 }
1778 }
1779 /* if none, if is finished */
1780 if (file_index < 0) {
1781 break;
1782 }
1783
1784 /* finish if recording time exhausted */
1785 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1786 break;
1787
1788 /* read a frame from it and output it in the fifo */
1789 is = input_files[file_index];
1790 if (av_read_frame(is, &pkt) < 0) {
1791 file_table[file_index].eof_reached = 1;
1792 continue;
1793 }
1794
1795 if (!pkt.size) {
1796 stream_no_data = is;
1797 } else {
1798 stream_no_data = 0;
1799 }
1800 if (do_pkt_dump) {
1801 av_pkt_dump(stdout, &pkt, do_hex_dump);
1802 }
1803 /* the following test is needed in case new streams appear
1804 dynamically in stream : we ignore them */
1805 if (pkt.stream_index >= file_table[file_index].nb_streams)
1806 goto discard_packet;
1807 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1808 ist = ist_table[ist_index];
1809 if (ist->discard)
1810 goto discard_packet;
1811
1812 // 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);
1813 if (pkt.dts != AV_NOPTS_VALUE) {
1814 int64_t delta= pkt.dts - ist->next_pts;
1815 if(ABS(delta) > 10LL*AV_TIME_BASE && !copy_ts){
1816 input_files_ts_offset[ist->file_index]-= delta;
1817 if (verbose > 2)
1818 fprintf(stderr, "timestamp discontinuity %lld, new offset= %lld\n", delta, input_files_ts_offset[ist->file_index]);
1819 for(i=0; i<file_table[file_index].nb_streams; i++){
1820 int index= file_table[file_index].ist_index + i;
1821 ist_table[index]->next_pts += delta;
1822 ist_table[index]->is_start=1;
1823 }
1824 }
1825 }
1826
1827 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1828 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1829
1830 if (verbose >= 0)
1831 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1832 ist->file_index, ist->index);
1833
1834 av_free_packet(&pkt);
1835 goto redo;
1836 }
1837
1838 discard_packet:
1839 av_free_packet(&pkt);
1840
1841 /* dump report by using the output first video and audio streams */
1842 print_report(output_files, ost_table, nb_ostreams, 0);
1843 }
1844
1845 /* at the end of stream, we must flush the decoder buffers */
1846 for(i=0;i<nb_istreams;i++) {
1847 ist = ist_table[i];
1848 if (ist->decoding_needed) {
1849 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1850 }
1851 }
1852
1853 term_exit();
1854
1855 /* write the trailer if needed and close file */
1856 for(i=0;i<nb_output_files;i++) {
1857 os = output_files[i];
1858 av_write_trailer(os);
1859 }
1860
1861 /* dump report by using the first video and audio streams */
1862 print_report(output_files, ost_table, nb_ostreams, 1);
1863
1864 /* close each encoder */
1865 for(i=0;i<nb_ostreams;i++) {
1866 ost = ost_table[i];
1867 if (ost->encoding_needed) {
1868 av_freep(&ost->st->codec.stats_in);
1869 avcodec_close(&ost->st->codec);
1870 }
1871 }
1872
1873 /* close each decoder */
1874 for(i=0;i<nb_istreams;i++) {
1875 ist = ist_table[i];
1876 if (ist->decoding_needed) {
1877 avcodec_close(&ist->st->codec);
1878 }
1879 }
1880
1881 /* finished ! */
1882
1883 ret = 0;
1884 fail1:
1885 av_free(file_table);
1886
1887 if (ist_table) {
1888 for(i=0;i<nb_istreams;i++) {
1889 ist = ist_table[i];
1890 av_free(ist);
1891 }
1892 av_free(ist_table);
1893 }
1894 if (ost_table) {
1895 for(i=0;i<nb_ostreams;i++) {
1896 ost = ost_table[i];
1897 if (ost) {
1898 if (ost->logfile) {
1899 fclose(ost->logfile);
1900 ost->logfile = NULL;
1901 }
1902 fifo_free(&ost->fifo); /* works even if fifo is not
1903 initialized but set to zero */
1904 av_free(ost->pict_tmp.data[0]);
1905 if (ost->video_resample)
1906 img_resample_close(ost->img_resample_ctx);
1907 if (ost->audio_resample)
1908 audio_resample_close(ost->resample);
1909 av_free(ost);
1910 }
1911 }
1912 av_free(ost_table);
1913 }
1914 return ret;
1915 fail:
1916 ret = -ENOMEM;
1917 goto fail1;
1918 }
1919
1920 #if 0
1921 int file_read(const char *filename)
1922 {
1923 URLContext *h;
1924 unsigned char buffer[1024];
1925 int len, i;
1926
1927 if (url_open(&h, filename, O_RDONLY) < 0) {
1928 printf("could not open '%s'\n", filename);
1929 return -1;
1930 }
1931 for(;;) {
1932 len = url_read(h, buffer, sizeof(buffer));
1933 if (len <= 0)
1934 break;
1935 for(i=0;i<len;i++) putchar(buffer[i]);
1936 }
1937 url_close(h);
1938 return 0;
1939 }
1940 #endif
1941
1942 static void opt_image_format(const char *arg)
1943 {
1944 AVImageFormat *f;
1945
1946 for(f = first_image_format; f != NULL; f = f->next) {
1947 if (!strcmp(arg, f->name))
1948 break;
1949 }
1950 if (!f) {
1951 fprintf(stderr, "Unknown image format: '%s'\n", arg);
1952 exit(1);
1953 }
1954 image_format = f;
1955 }
1956
1957 static void opt_format(const char *arg)
1958 {
1959 /* compatibility stuff for pgmyuv */
1960 if (!strcmp(arg, "pgmyuv")) {
1961 opt_image_format(arg);
1962 arg = "image";
1963 }
1964
1965 file_iformat = av_find_input_format(arg);
1966 file_oformat = guess_format(arg, NULL, NULL);
1967 if (!file_iformat && !file_oformat) {
1968 fprintf(stderr, "Unknown input or output format: %s\n", arg);
1969 exit(1);
1970 }
1971 }
1972
1973 static void opt_video_bitrate(const char *arg)
1974 {
1975 video_bit_rate = atoi(arg) * 1000;
1976 }
1977
1978 static void opt_video_bitrate_tolerance(const char *arg)
1979 {
1980 video_bit_rate_tolerance = atoi(arg) * 1000;
1981 }
1982
1983 static void opt_video_bitrate_max(const char *arg)
1984 {
1985 video_rc_max_rate = atoi(arg) * 1000;
1986 }
1987
1988 static void opt_video_bitrate_min(const char *arg)
1989 {
1990 video_rc_min_rate = atoi(arg) * 1000;
1991 }
1992
1993 static void opt_video_buffer_size(const char *arg)
1994 {
1995 video_rc_buffer_size = atoi(arg) * 8*1024;
1996 }
1997
1998 static void opt_video_rc_eq(char *arg)
1999 {
2000 video_rc_eq = arg;
2001 }
2002
2003 static void opt_video_rc_override_string(char *arg)
2004 {
2005 video_rc_override_string = arg;
2006 }
2007
2008
2009 static void opt_workaround_bugs(const char *arg)
2010 {
2011 workaround_bugs = atoi(arg);
2012 }
2013
2014 static void opt_dct_algo(const char *arg)
2015 {
2016 dct_algo = atoi(arg);
2017 }
2018
2019 static void opt_idct_algo(const char *arg)
2020 {
2021 idct_algo = atoi(arg);
2022 }
2023
2024 static void opt_me_threshold(const char *arg)
2025 {
2026 me_threshold = atoi(arg);
2027 }
2028
2029 static void opt_mb_threshold(const char *arg)
2030 {
2031 mb_threshold = atoi(arg);
2032 }
2033
2034 static void opt_error_resilience(const char *arg)
2035 {
2036 error_resilience = atoi(arg);
2037 }
2038
2039 static void opt_error_concealment(const char *arg)
2040 {
2041 error_concealment = atoi(arg);
2042 }
2043
2044 static void opt_debug(const char *arg)
2045 {
2046 debug = atoi(arg);
2047 }
2048
2049 static void opt_vismv(const char *arg)
2050 {
2051 debug_mv = atoi(arg);
2052 }
2053
2054 static void opt_verbose(const char *arg)
2055 {
2056 verbose = atoi(arg);
2057 av_log_set_level(atoi(arg));
2058 }
2059
2060 static void opt_frame_rate(const char *arg)
2061 {
2062 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2063 fprintf(stderr, "Incorrect frame rate\n");
2064 exit(1);
2065 }
2066 }
2067
2068 static void opt_frame_crop_top(const char *arg)
2069 {
2070 frame_topBand = atoi(arg);
2071 if (frame_topBand < 0) {
2072 fprintf(stderr, "Incorrect top crop size\n");
2073 exit(1);
2074 }
2075 if ((frame_topBand % 2) != 0) {
2076 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2077 exit(1);
2078 }
2079 if ((frame_topBand) >= frame_height){
2080 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2081 exit(1);
2082 }
2083 frame_height -= frame_topBand;
2084 }
2085
2086 static void opt_frame_crop_bottom(const char *arg)
2087 {
2088 frame_bottomBand = atoi(arg);
2089 if (frame_bottomBand < 0) {
2090 fprintf(stderr, "Incorrect bottom crop size\n");
2091 exit(1);
2092 }
2093 if ((frame_bottomBand % 2) != 0) {
2094 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2095 exit(1);
2096 }
2097 if ((frame_bottomBand) >= frame_height){
2098 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2099 exit(1);
2100 }
2101 frame_height -= frame_bottomBand;
2102 }
2103
2104 static void opt_frame_crop_left(const char *arg)
2105 {
2106 frame_leftBand = atoi(arg);
2107 if (frame_leftBand < 0) {
2108 fprintf(stderr, "Incorrect left crop size\n");
2109 exit(1);
2110 }
2111 if ((frame_leftBand % 2) != 0) {
2112 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2113 exit(1);
2114 }
2115 if ((frame_leftBand) >= frame_width){
2116 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2117 exit(1);
2118 }
2119 frame_width -= frame_leftBand;
2120 }
2121
2122 static void opt_frame_crop_right(const char *arg)
2123 {
2124 frame_rightBand = atoi(arg);
2125 if (frame_rightBand < 0) {
2126 fprintf(stderr, "Incorrect right crop size\n");
2127 exit(1);
2128 }
2129 if ((frame_rightBand % 2) != 0) {
2130 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2131 exit(1);
2132 }
2133 if ((frame_rightBand) >= frame_width){
2134 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2135 exit(1);
2136 }
2137 frame_width -= frame_rightBand;
2138 }
2139
2140 static void opt_frame_size(const char *arg)
2141 {
2142 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2143 fprintf(stderr, "Incorrect frame size\n");
2144 exit(1);
2145 }
2146 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2147 fprintf(stderr, "Frame size must be a multiple of 2\n");
2148 exit(1);
2149 }
2150 }
2151
2152
2153 #define SCALEBITS 10
2154 #define ONE_HALF (1 << (SCALEBITS - 1))
2155 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2156
2157 #define RGB_TO_Y(r, g, b) \
2158 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2159 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2160
2161 #define RGB_TO_U(r1, g1, b1, shift)\
2162 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2163 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2164
2165 #define RGB_TO_V(r1, g1, b1, shift)\
2166 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2167 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2168
2169 static void opt_pad_color(const char *arg) {
2170 /* Input is expected to be six hex digits similar to
2171 how colors are expressed in html tags (but without the #) */
2172 int rgb = strtol(arg, NULL, 16);
2173 int r,g,b;
2174
2175 r = (rgb >> 16);
2176 g = ((rgb >> 8) & 255);
2177 b = (rgb & 255);
2178
2179 padcolor[0] = RGB_TO_Y(r,g,b);
2180 padcolor[1] = RGB_TO_U(r,g,b,0);
2181 padcolor[2] = RGB_TO_V(r,g,b,0);
2182 }
2183
2184 static void opt_frame_pad_top(const char *arg)
2185 {
2186 frame_padtop = atoi(arg);
2187 if (frame_padtop < 0) {
2188 fprintf(stderr, "Incorrect top pad size\n");
2189 exit(1);
2190 }
2191 if ((frame_padtop % 2) != 0) {
2192 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2193 exit(1);
2194 }
2195 }
2196
2197 static void opt_frame_pad_bottom(const char *arg)
2198 {
2199 frame_padbottom = atoi(arg);
2200 if (frame_padbottom < 0) {
2201 fprintf(stderr, "Incorrect bottom pad size\n");
2202 exit(1);
2203 }
2204 if ((frame_padbottom % 2) != 0) {
2205 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2206 exit(1);
2207 }
2208 }
2209
2210
2211 static void opt_frame_pad_left(const char *arg)
2212 {
2213 frame_padleft = atoi(arg);
2214 if (frame_padleft < 0) {
2215 fprintf(stderr, "Incorrect left pad size\n");
2216 exit(1);
2217 }
2218 if ((frame_padleft % 2) != 0) {
2219 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2220 exit(1);
2221 }
2222 }
2223
2224
2225 static void opt_frame_pad_right(const char *arg)
2226 {
2227 frame_padright = atoi(arg);
2228 if (frame_padright < 0) {
2229 fprintf(stderr, "Incorrect right pad size\n");
2230 exit(1);
2231 }
2232 if ((frame_padright % 2) != 0) {
2233 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2234 exit(1);
2235 }
2236 }
2237
2238
2239 static void opt_frame_pix_fmt(const char *arg)
2240 {
2241 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2242 }
2243
2244 static void opt_frame_aspect_ratio(const char *arg)
2245 {
2246 int x = 0, y = 0;
2247 double ar = 0;
2248 const char *p;
2249
2250 p = strchr(arg, ':');
2251 if (p) {
2252 x = strtol(arg, (char **)&arg, 10);
2253 if (arg == p)
2254 y = strtol(arg+1, (char **)&arg, 10);
2255 if (x > 0 && y > 0)
2256 ar = (double)x / (double)y;
2257 } else
2258 ar = strtod(arg, (char **)&arg);
2259
2260 if (!ar) {
2261 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2262 exit(1);
2263 }
2264 frame_aspect_ratio = ar;
2265 }
2266
2267 static void opt_gop_size(const char *arg)
2268 {
2269 gop_size = atoi(arg);
2270 }
2271
2272 static void opt_b_frames(const char *arg)
2273 {
2274 b_frames = atoi(arg);
2275 if (b_frames > FF_MAX_B_FRAMES) {
2276 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
2277 exit(1);
2278 } else if (b_frames < 1) {
2279 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
2280 exit(1);
2281 }
2282 }
2283
2284 static void opt_mb_decision(const char *arg)
2285 {
2286 mb_decision = atoi(arg);
2287 }
2288
2289 static void opt_mb_cmp(const char *arg)
2290 {
2291 mb_cmp = atoi(arg);
2292 }
2293
2294 static void opt_ildct_cmp(const char *arg)
2295 {
2296 ildct_cmp = atoi(arg);
2297 }
2298
2299 static void opt_sub_cmp(const char *arg)
2300 {
2301 sub_cmp = atoi(arg);
2302 }
2303
2304 static void opt_cmp(const char *arg)
2305 {
2306 cmp = atoi(arg);
2307 }
2308
2309 static void opt_pre_cmp(const char *arg)
2310 {
2311 pre_cmp = atoi(arg);
2312 }
2313
2314 static void opt_pre_me(const char *arg)
2315 {
2316 pre_me = atoi(arg);
2317 }
2318
2319 static void opt_lumi_mask(const char *arg)
2320 {
2321 lumi_mask = atof(arg);
2322 }
2323
2324 static void opt_dark_mask(const char *arg)
2325 {
2326 dark_mask = atof(arg);
2327 }
2328
2329 static void opt_scplx_mask(const char *arg)
2330 {
2331 scplx_mask = atof(arg);
2332 }
2333
2334 static void opt_tcplx_mask(const char *arg)
2335 {
2336 tcplx_mask = atof(arg);
2337 }
2338
2339 static void opt_p_mask(const char *arg)
2340 {
2341 p_mask = atof(arg);
2342 }
2343
2344 static void opt_qscale(const char *arg)
2345 {
2346 video_qscale = atof(arg);
2347 if (video_qscale < 0.01 ||
2348 video_qscale > 255) {
2349 fprintf(stderr, "qscale must be >= 0.01 and <= 255\n");
2350 exit(1);
2351 }
2352 }
2353
2354 static void opt_lmax(const char *arg)
2355 {
2356 video_lmax = atof(arg)*FF_QP2LAMBDA;
2357 }
2358
2359 static void opt_lmin(const char *arg)
2360 {
2361 video_lmin = atof(arg)*FF_QP2LAMBDA;
2362 }
2363
2364 static void opt_qmin(const char *arg)
2365 {
2366 video_qmin = atoi(arg);
2367 if (video_qmin < 0 ||
2368 video_qmin > 31) {
2369 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
2370 exit(1);
2371 }
2372 }
2373
2374 static void opt_qmax(const char *arg)
2375 {
2376 video_qmax = atoi(arg);
2377 if (video_qmax < 0 ||
2378 video_qmax > 31) {
2379 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
2380 exit(1);
2381 }
2382 }
2383
2384 static void opt_mb_qmin(const char *arg)
2385 {
2386 video_mb_qmin = atoi(arg);
2387 if (video_mb_qmin < 0 ||
2388 video_mb_qmin > 31) {
2389 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
2390 exit(1);
2391 }
2392 }
2393
2394 static void opt_mb_qmax(const char *arg)
2395 {
2396 video_mb_qmax = atoi(arg);
2397 if (video_mb_qmax < 0 ||
2398 video_mb_qmax > 31) {
2399 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
2400 exit(1);
2401 }
2402 }
2403
2404 static void opt_qdiff(const char *arg)
2405 {
2406 video_qdiff = atoi(arg);
2407 if (video_qdiff < 0 ||
2408 video_qdiff > 31) {
2409 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2410 exit(1);
2411 }
2412 }
2413
2414 static void opt_qblur(const char *arg)
2415 {
2416 video_qblur = atof(arg);
2417 }
2418
2419 static void opt_qcomp(const char *arg)
2420 {
2421 video_qcomp = atof(arg);
2422 }
2423
2424 static void opt_rc_initial_cplx(const char *arg)
2425 {
2426 video_rc_initial_cplx = atof(arg);
2427 }
2428 static void opt_b_qfactor(const char *arg)
2429 {
2430 video_b_qfactor = atof(arg);
2431 }
2432 static void opt_i_qfactor(const char *arg)
2433 {
2434 video_i_qfactor = atof(arg);
2435 }
2436 static void opt_b_qoffset(const char *arg)
2437 {
2438 video_b_qoffset = atof(arg);
2439 }
2440 static void opt_i_qoffset(const char *arg)
2441 {
2442 video_i_qoffset = atof(arg);
2443 }
2444
2445 static void opt_ibias(const char *arg)
2446 {
2447 video_intra_quant_bias = atoi(arg);
2448 }
2449 static void opt_pbias(const char *arg)
2450 {
2451 video_inter_quant_bias = atoi(arg);
2452 }
2453
2454 static void opt_packet_size(const char *arg)
2455 {
2456 packet_size= atoi(arg);
2457 }
2458
2459 static void opt_error_rate(const char *arg)
2460 {
2461 error_rate= atoi(arg);
2462 }
2463
2464 static void opt_strict(const char *arg)
2465 {
2466 strict= atoi(arg);
2467 }
2468
2469 static void opt_top_field_first(const char *arg)
2470 {
2471 top_field_first= atoi(arg);
2472 }
2473
2474 static void opt_noise_reduction(const char *arg)
2475 {
2476 noise_reduction= atoi(arg);
2477 }
2478
2479 static void opt_qns(const char *arg)
2480 {
2481 qns= atoi(arg);
2482 }
2483
2484 static void opt_sc_threshold(const char *arg)
2485 {
2486 sc_threshold= atoi(arg);
2487 }
2488
2489 static void opt_me_range(const char *arg)
2490 {
2491 me_range = atoi(arg);
2492 }
2493
2494 static void opt_thread_count(const char *arg)
2495 {
2496 thread_count= atoi(arg);
2497 #if !defined(HAVE_PTHREADS) && !defined(HAVE_W32THREADS)
2498 if (verbose >= 0)
2499 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2500 #endif
2501 }
2502
2503 static void opt_audio_bitrate(const char *arg)
2504 {
2505 audio_bit_rate = atoi(arg) * 1000;
2506 }
2507
2508 static void opt_audio_rate(const char *arg)
2509 {
2510 audio_sample_rate = atoi(arg);
2511 }
2512
2513 static void opt_audio_channels(const char *arg)
2514 {
2515 audio_channels = atoi(arg);
2516 }
2517
2518 static void opt_video_device(const char *arg)
2519 {
2520 video_device = av_strdup(arg);
2521 }
2522
2523 static void opt_video_channel(const char *arg)
2524 {
2525 video_channel = strtol(arg, NULL, 0);
2526 }
2527
2528 static void opt_video_standard(const char *arg)
2529 {
2530 video_standard = av_strdup(arg);
2531 }
2532
2533 static void opt_audio_device(const char *arg)
2534 {
2535 audio_device = av_strdup(arg);
2536 }
2537
2538 static void opt_dv1394(const char *arg)
2539 {
2540 video_grab_format = "dv1394";
2541 audio_grab_format = NULL;
2542 }
2543
2544 static void opt_audio_codec(const char *arg)
2545 {
2546 AVCodec *p;
2547
2548 if (!strcmp(arg, "copy")) {
2549 audio_stream_copy = 1;
2550 } else {
2551 p = first_avcodec;
2552 while (p) {
2553 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
2554 break;
2555 p = p->next;
2556 }
2557 if (p == NULL) {
2558 fprintf(stderr, "Unknown audio codec '%s'\n", arg);
2559 exit(1);
2560 } else {
2561 audio_codec_id = p->id;
2562 }
2563 }
2564 }
2565
2566 static void add_frame_hooker(const char *arg)
2567 {
2568 int argc = 0;
2569 char *argv[64];
2570 int i;
2571 char *args = av_strdup(arg);
2572
2573 using_vhook = 1;
2574
2575 argv[0] = strtok(args, " ");
2576 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2577 }
2578
2579 i = frame_hook_add(argc, argv);
2580
2581 if (i != 0) {
2582 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2583 exit(1);
2584 }
2585 }
2586
2587 const char *motion_str[] = {
2588 "zero",
2589 "full",
2590 "log",
2591 "phods",
2592 "epzs",
2593 "x1",
2594 NULL,
2595 };
2596
2597 static void opt_motion_estimation(const char *arg)
2598 {
2599 const char **p;
2600 p = motion_str;
2601 for(;;) {
2602 if (!*p) {
2603 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2604 exit(1);
2605 }
2606 if (!strcmp(*p, arg))
2607 break;
2608 p++;
2609 }
2610 me_method = (p - motion_str) + 1;
2611 }
2612
2613 static void opt_video_codec(const char *arg)
2614 {
2615 AVCodec *p;
2616
2617 if (!strcmp(arg, "copy")) {
2618 video_stream_copy = 1;
2619 } else {
2620 p = first_avcodec;
2621 while (p) {
2622 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
2623 break;
2624 p = p->next;
2625 }
2626 if (p == NULL) {
2627 fprintf(stderr, "Unknown video codec '%s'\n", arg);
2628 exit(1);
2629 } else {
2630 video_codec_id = p->id;
2631 }
2632 }
2633 }
2634
2635 static void opt_map(const char *arg)
2636 {
2637 AVStreamMap *m;
2638 const char *p;
2639
2640 p = arg;
2641 m = &stream_maps[nb_stream_maps++];
2642
2643 m->file_index = strtol(arg, (char **)&p, 0);
2644 if (*p)
2645 p++;
2646
2647 m->stream_index = strtol(p, (char **)&p, 0);
2648 }
2649
2650 static void opt_recording_time(const char *arg)
2651 {
2652 recording_time = parse_date(arg, 1);
2653 }
2654
2655 static void opt_start_time(const char *arg)
2656 {
2657 start_time = parse_date(arg, 1);
2658 }
2659
2660 static void opt_rec_timestamp(const char *arg)
2661 {
2662 rec_timestamp = parse_date(arg, 0) / 1000000;
2663 }
2664
2665 static void opt_input_ts_offset(const char *arg)
2666 {
2667 input_ts_offset = parse_date(arg, 1);
2668 }
2669
2670 static void opt_input_file(const char *filename)
2671 {
2672 AVFormatContext *ic;
2673 AVFormatParameters params, *ap = &params;
2674 int err, i, ret, rfps, rfps_base;
2675
2676 if (!strcmp(filename, "-"))
2677 filename = "pipe:";
2678
2679 using_stdin |= !strcmp(filename, "pipe:" ) ||
2680 !strcmp( filename, "/dev/stdin" );
2681
2682 /* get default parameters from command line */
2683 memset(ap, 0, sizeof(*ap));
2684 ap->sample_rate = audio_sample_rate;
2685 ap->channels = audio_channels;
2686 ap->frame_rate = frame_rate;
2687 ap->frame_rate_base = frame_rate_base;
2688 ap->width = frame_width + frame_padleft + frame_padright;
2689 ap->height = frame_height + frame_padtop + frame_padbottom;
2690 ap->image_format = image_format;
2691 ap->pix_fmt = frame_pix_fmt;
2692
2693 /* open the input file with generic libav function */
2694 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2695 if (err < 0) {
2696 print_error(filename, err);
2697 exit(1);
2698 }
2699
2700 /* If not enough info to get the stream parameters, we decode the
2701 first frames to get it. (used in mpeg case for example) */
2702 ret = av_find_stream_info(ic);
2703 if (ret < 0 && verbose >= 0) {
2704 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2705 exit(1);
2706 }
2707
2708 /* if seeking requested, we execute it */
2709 if (start_time != 0) {
2710 int64_t timestamp;
2711
2712 timestamp = start_time;
2713 /* add the stream start time */
2714 if (ic->start_time != AV_NOPTS_VALUE)
2715 timestamp += ic->start_time;
2716 ret = av_seek_frame(ic, -1, timestamp);
2717 if (ret < 0) {
2718 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2719 filename, (double)timestamp / AV_TIME_BASE);
2720 }
2721 /* reset seek info */
2722 start_time = 0;
2723 }
2724
2725 /* update the current parameters so that they match the one of the input stream */
2726 for(i=0;i<ic->nb_streams;i++) {
2727 AVCodecContext *enc = &ic->streams[i]->codec;
2728 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
2729 if(thread_count>1)
2730 avcodec_thread_init(enc, thread_count);
2731 #endif
2732 enc->thread_count= thread_count;
2733 switch(enc->codec_type) {
2734 case CODEC_TYPE_AUDIO:
2735 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2736 audio_channels = enc->channels;
2737 audio_sample_rate = enc->sample_rate;
2738 break;
2739 case CODEC_TYPE_VIDEO:
2740 frame_height = enc->height;
2741 frame_width = enc->width;
2742 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2743 frame_pix_fmt = enc->pix_fmt;
2744 rfps = ic->streams[i]->r_frame_rate;
2745 rfps_base = ic->streams[i]->r_frame_rate_base;
2746 enc->workaround_bugs = workaround_bugs;
2747 enc->error_resilience = error_resilience;
2748 enc->error_concealment = error_concealment;
2749 enc->idct_algo = idct_algo;
2750 enc->debug = debug;
2751 enc->debug_mv = debug_mv;
2752 if(bitexact)
2753 enc->flags|= CODEC_FLAG_BITEXACT;
2754 if(me_threshold)
2755 enc->debug |= FF_DEBUG_MV;
2756
2757 assert(enc->frame_rate_base == rfps_base); // should be true for now
2758 if (enc->frame_rate != rfps) {
2759
2760 if (verbose >= 0)
2761 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n",
2762 i, (float)enc->frame_rate / enc->frame_rate_base,
2763
2764 (float)rfps / rfps_base);
2765 }
2766 /* update the current frame rate to match the stream frame rate */
2767 frame_rate = rfps;
2768 frame_rate_base = rfps_base;
2769
2770 enc->rate_emu = rate_emu;
2771 break;
2772 case CODEC_TYPE_DATA:
2773 break;
2774 default:
2775 av_abort();
2776 }
2777 }
2778
2779 input_files[nb_input_files] = ic;
2780 input_files_ts_offset[nb_input_files] = input_ts_offset;
2781 /* dump the file content */
2782 if (verbose >= 0)
2783 dump_format(ic, nb_input_files, filename, 0);
2784
2785 nb_input_files++;
2786 file_iformat = NULL;
2787 file_oformat = NULL;
2788 image_format = NULL;
2789
2790 rate_emu = 0;
2791 }
2792
2793 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2794 {
2795 int has_video, has_audio, i, j;
2796 AVFormatContext *ic;
2797
2798 has_video = 0;
2799 has_audio = 0;
2800 for(j=0;j<nb_input_files;j++) {
2801 ic = input_files[j];
2802 for(i=0;i<ic->nb_streams;i++) {
2803 AVCodecContext *enc = &ic->streams[i]->codec;
2804 switch(enc->codec_type) {
2805 case CODEC_TYPE_AUDIO:
2806 has_audio = 1;
2807 break;
2808 case CODEC_TYPE_VIDEO:
2809 has_video = 1;
2810 break;
2811 case CODEC_TYPE_DATA:
2812 break;
2813 default:
2814 av_abort();
2815 }
2816 }
2817 }
2818 *has_video_ptr = has_video;
2819 *has_audio_ptr = has_audio;
2820 }
2821
2822 static void opt_output_file(const char *filename)
2823 {
2824 AVStream *st;
2825 AVFormatContext *oc;
2826 int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
2827 int codec_id;
2828 AVFormatParameters params, *ap = &params;
2829
2830 if (!strcmp(filename, "-"))
2831 filename = "pipe:";
2832
2833 oc = av_alloc_format_context();
2834
2835 if (!file_oformat) {
2836 file_oformat = guess_format(NULL, filename, NULL);
2837 if (!file_oformat) {
2838 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
2839 filename);
2840 exit(1);
2841 }
2842 }
2843
2844 oc->oformat = file_oformat;
2845
2846 if (!strcmp(file_oformat->name, "ffm") &&
2847 strstart(filename, "http:", NULL)) {
2848 /* special case for files sent to ffserver: we get the stream
2849 parameters from ffserver */
2850 if (read_ffserver_streams(oc, filename) < 0) {
2851 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
2852 exit(1);
2853 }
2854 } else {
2855 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy;
2856 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy;
2857
2858 /* disable if no corresponding type found and at least one
2859 input file */
2860 if (nb_input_files > 0) {
2861 check_audio_video_inputs(&input_has_video, &input_has_audio);
2862 if (!input_has_video)
2863 use_video = 0;
2864 if (!input_has_audio)
2865 use_audio = 0;
2866 }
2867
2868 /* manual disable */
2869 if (audio_disable) {
2870 use_audio = 0;
2871 }
2872 if (video_disable) {
2873 use_video = 0;
2874 }
2875
2876 nb_streams = 0;
2877 if (use_video) {
2878 AVCodecContext *video_enc;
2879
2880 st = av_new_stream(oc, nb_streams++);
2881 if (!st) {
2882 fprintf(stderr, "Could not alloc stream\n");
2883 exit(1);
2884 }
2885 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
2886 if(thread_count>1)
2887 avcodec_thread_init(&st->codec, thread_count);
2888 #endif
2889
2890 video_enc = &st->codec;
2891
2892 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
2893 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2894 if (video_stream_copy) {
2895 st->stream_copy = 1;
2896 video_enc->codec_type = CODEC_TYPE_VIDEO;
2897 } else {
2898 char *p;
2899 int i;
2900 AVCodec *codec;
2901
2902 codec_id = file_oformat->video_codec;
2903 if (video_codec_id != CODEC_ID_NONE)
2904 codec_id = video_codec_id;
2905
2906 video_enc->codec_id = codec_id;
2907 codec = avcodec_find_encoder(codec_id);
2908
2909 video_enc->bit_rate = video_bit_rate;
2910 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
2911 video_enc->frame_rate = frame_rate;
2912 video_enc->frame_rate_base = frame_rate_base;
2913 if(codec && codec->supported_framerates){
2914 const AVRational *p= codec->supported_framerates;
2915 AVRational req= (AVRational){frame_rate, frame_rate_base};
2916 const AVRational *best=NULL;
2917 AVRational best_error= (AVRational){INT_MAX, 1};
2918 for(; p->den!=0; p++){
2919 AVRational error= av_sub_q(req, *p);
2920 if(error.num <0) error.num *= -1;
2921 if(av_cmp_q(error, best_error) < 0){
2922 best_error= error;
2923 best= p;
2924 }
2925 }
2926 video_enc->frame_rate = best->num;
2927 video_enc->frame_rate_base= best->den;
2928 }
2929
2930 video_enc->width = frame_width + frame_padright + frame_padleft;
2931 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2932 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
2933 video_enc->pix_fmt = frame_pix_fmt;
2934
2935 if(codec && codec->pix_fmts){
2936 const enum PixelFormat *p= codec->pix_fmts;
2937 for(; *p!=-1; p++){
2938 if(*p == video_enc->pix_fmt)
2939 break;
2940 }
2941 if(*p == -1)
2942 video_enc->pix_fmt = codec->pix_fmts[0];
2943 }
2944
2945 if (!intra_only)
2946 video_enc->gop_size = gop_size;
2947 else
2948 video_enc->gop_size = 0;
2949 if (video_qscale || same_quality) {
2950 video_enc->flags |= CODEC_FLAG_QSCALE;
2951 st->quality = FF_QP2LAMBDA * video_qscale;
2952 }
2953
2954 if(intra_matrix)
2955 video_enc->intra_matrix = intra_matrix;
2956 if(inter_matrix)
2957 video_enc->inter_matrix = inter_matrix;
2958
2959 if(bitexact)
2960 video_enc->flags |= CODEC_FLAG_BITEXACT;
2961
2962 video_enc->mb_decision = mb_decision;
2963 video_enc->mb_cmp = mb_cmp;
2964 video_enc->ildct_cmp = ildct_cmp;
2965 video_enc->me_sub_cmp = sub_cmp;
2966 video_enc->me_cmp = cmp;
2967 video_enc->me_pre_cmp = pre_cmp;
2968 video_enc->pre_me = pre_me;
2969 video_enc->lumi_masking = lumi_mask;
2970 video_enc->dark_masking = dark_mask;
2971 video_enc->spatial_cplx_masking = scplx_mask;
2972 video_enc->temporal_cplx_masking = tcplx_mask;
2973 video_enc->p_masking = p_mask;
2974 video_enc->quantizer_noise_shaping= qns;
2975
2976 if (use_umv) {
2977 video_enc->flags |= CODEC_FLAG_H263P_UMV;
2978 }
2979 if (use_ss) {
2980 video_enc->flags |= CODEC_FLAG_H263P_SLICE_STRUCT;
2981 }
2982 if (use_aic) {
2983 video_enc->flags |= CODEC_FLAG_H263P_AIC;
2984 }
2985 if (use_aiv) {
2986 video_enc->flags |= CODEC_FLAG_H263P_AIV;
2987 }
2988 if (use_4mv) {
2989 video_enc->flags |= CODEC_FLAG_4MV;
2990 }
2991 if (use_obmc) {
2992 video_enc->flags |= CODEC_FLAG_OBMC;
2993 }
2994 if (use_loop) {
2995 video_enc->flags |= CODEC_FLAG_LOOP_FILTER;
2996 }
2997
2998 if(use_part) {
2999 video_enc->flags |= CODEC_FLAG_PART;
3000 }
3001 if (use_alt_scan) {
3002 video_enc->flags |= CODEC_FLAG_ALT_SCAN;
3003 }
3004 if (use_trell) {
3005 video_enc->flags |= CODEC_FLAG_TRELLIS_QUANT;
3006 }
3007 if (use_scan_offset) {
3008 video_enc->flags |= CODEC_FLAG_SVCD_SCAN_OFFSET;
3009 }
3010 if (closed_gop) {
3011 video_enc->flags |= CODEC_FLAG_CLOSED_GOP;
3012 }
3013 if (use_qpel) {
3014 video_enc->flags |= CODEC_FLAG_QPEL;
3015 }
3016 if (use_qprd) {
3017 video_enc->flags |= CODEC_FLAG_QP_RD;
3018 }
3019 if (use_cbprd) {
3020 video_enc->flags |= CODEC_FLAG_CBP_RD;
3021 }
3022 if (b_frames) {
3023 video_enc->max_b_frames = b_frames;
3024 video_enc->b_frame_strategy = 0;
3025 video_enc->b_quant_factor = 2.0;
3026 }
3027 if (do_interlace_dct) {
3028 video_enc->flags |= CODEC_FLAG_INTERLACED_DCT;
3029 }
3030 if (do_interlace_me) {
3031 video_enc->flags |= CODEC_FLAG_INTERLACED_ME;
3032 }
3033 video_enc->qmin = video_qmin;
3034 video_enc->qmax = video_qmax;
3035 video_enc->lmin = video_lmin;
3036 video_enc->lmax = video_lmax;
3037 video_enc->mb_qmin = video_mb_qmin;
3038 video_enc->mb_qmax = video_mb_qmax;
3039 video_enc->max_qdiff = video_qdiff;
3040 video_enc->qblur = video_qblur;
3041 video_enc->qcompress = video_qcomp;
3042 video_enc->rc_eq = video_rc_eq;
3043 video_enc->debug = debug;
3044 video_enc->debug_mv = debug_mv;
3045 video_enc->thread_count = thread_count;
3046 p= video_rc_override_string;
3047 for(i=0; p; i++){
3048 int start, end, q;
3049 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3050 if(e!=3){
3051 fprintf(stderr, "error parsing rc_override\n");
3052 exit(1);
3053 }
3054 video_enc->rc_override=
3055 av_realloc(video_enc->rc_override,
3056 sizeof(RcOverride)*(i+1));
3057 video_enc->rc_override[i].start_frame= start;
3058 video_enc->rc_override[i].end_frame = end;
3059 if(q>0){
3060 video_enc->rc_override[i].qscale= q;
3061 video_enc->rc_override[i].quality_factor= 1.0;
3062 }
3063 else{
3064 video_enc->rc_override[i].qscale= 0;
3065 video_enc->rc_override[i].quality_factor= -q/100.0;
3066 }
3067 p= strchr(p, '/');
3068 if(p) p++;
3069 }
3070 video_enc->rc_override_count=i;
3071
3072 video_enc->rc_max_rate = video_rc_max_rate;
3073 video_enc->rc_min_rate = video_rc_min_rate;
3074 video_enc->rc_buffer_size = video_rc_buffer_size;
3075 video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
3076 video_enc->rc_initial_cplx= video_rc_initial_cplx;
3077 video_enc->i_quant_factor = video_i_qfactor;
3078 video_enc->b_quant_factor = video_b_qfactor;
3079 video_enc->i_quant_offset = video_i_qoffset;
3080 video_enc->b_quant_offset = video_b_qoffset;
3081 video_enc->intra_quant_bias = video_intra_quant_bias;
3082 video_enc->inter_quant_bias = video_inter_quant_bias;
3083 video_enc->dct_algo = dct_algo;
3084 video_enc->idct_algo = idct_algo;
3085 video_enc->me_threshold= me_threshold;
3086 video_enc->mb_threshold= mb_threshold;
3087 video_enc->intra_dc_precision= intra_dc_precision - 8;
3088 video_enc->strict_std_compliance = strict;
3089 video_enc->error_rate = error_rate;
3090 video_enc->noise_reduction= noise_reduction;
3091 video_enc->scenechange_threshold= sc_threshold;
3092 video_enc->me_range = me_range;
3093 video_enc->coder_type= coder;
3094 video_enc->context_model= context;
3095 video_enc->prediction_method= predictor;
3096
3097 if(packet_size){
3098 video_enc->rtp_mode= 1;
3099 video_enc->rtp_payload_size= packet_size;
3100 }
3101
3102 if (do_psnr)
3103 video_enc->flags|= CODEC_FLAG_PSNR;
3104
3105 video_enc->me_method = me_method;
3106
3107 /* two pass mode */
3108 if (do_pass) {
3109 if (do_pass == 1) {
3110 video_enc->flags |= CODEC_FLAG_PASS1;
3111 } else {
3112 video_enc->flags |= CODEC_FLAG_PASS2;
3113 }
3114 }
3115 }
3116 }
3117
3118 if (use_audio) {
3119 AVCodecContext *audio_enc;
3120
3121 st = av_new_stream(oc, nb_streams++);
3122 if (!st) {
3123 fprintf(stderr, "Could not alloc stream\n");
3124 exit(1);
3125 }
3126 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
3127 if(thread_count>1)
3128 avcodec_thread_init(&st->codec, thread_count);
3129 #endif
3130
3131 audio_enc = &st->codec;
3132 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3133
3134 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
3135 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3136 if (audio_stream_copy) {
3137 st->stream_copy = 1;
3138 audio_enc->channels = audio_channels;
3139 } else {
3140 codec_id = file_oformat->audio_codec;
3141 if (audio_codec_id != CODEC_ID_NONE)
3142 codec_id = audio_codec_id;
3143 audio_enc->codec_id = codec_id;
3144
3145 audio_enc->bit_rate = audio_bit_rate;
3146 audio_enc->strict_std_compliance = strict;
3147 audio_enc->thread_count = thread_count;
3148 /* For audio codecs other than AC3 or DTS we limit */
3149 /* the number of coded channels to stereo */
3150 if (audio_channels > 2 && codec_id != CODEC_ID_AC3
3151 && codec_id != CODEC_ID_DTS) {
3152 audio_enc->channels = 2;
3153 } else
3154 audio_enc->channels = audio_channels;
3155 }
3156 audio_enc->sample_rate = audio_sample_rate;
3157 }
3158
3159 oc->nb_streams = nb_streams;
3160
3161 if (!nb_streams) {
3162 fprintf(stderr, "No audio or video streams available\n");
3163 exit(1);
3164 }
3165
3166 oc->timestamp = rec_timestamp;
3167
3168 if (str_title)
3169 pstrcpy(oc->title, sizeof(oc->title), str_title);
3170 if (str_author)
3171 pstrcpy(oc->author, sizeof(oc->author), str_author);
3172 if (str_copyright)
3173 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
3174 if (str_comment)
3175 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
3176 }
3177
3178 output_files[nb_output_files++] = oc;
3179
3180 strcpy(oc->filename, filename);
3181
3182 /* check filename in case of an image number is expected */
3183 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3184 if (filename_number_test(oc->filename) < 0) {
3185 print_error(oc->filename, AVERROR_NUMEXPECTED);
3186 exit(1);
3187 }
3188 }
3189
3190 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3191 /* test if it already exists to avoid loosing precious files */
3192 if (!file_overwrite &&
3193 (strchr(filename, ':') == NULL ||
3194 strstart(filename, "file:", NULL))) {
3195 if (url_exist(filename)) {
3196 int c;
3197
3198 if ( !using_stdin ) {
3199 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3200 fflush(stderr);
3201 c = getchar();
3202 if (toupper(c) != 'Y') {
3203 fprintf(stderr, "Not overwriting - exiting\n");
3204 exit(1);
3205 }
3206 }
3207 else {
3208 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3209 exit(1);
3210 }
3211 }
3212 }
3213
3214 /* open the file */
3215 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3216 fprintf(stderr, "Could not open '%s'\n", filename);
3217 exit(1);
3218 }
3219 }
3220
3221 memset(ap, 0, sizeof(*ap));
3222 ap->image_format = image_format;
3223 if (av_set_parameters(oc, ap) < 0) {
3224 fprintf(stderr, "%s: Invalid encoding parameters\n",
3225 oc->filename);
3226 exit(1);
3227 }
3228
3229 /* reset some options */
3230 file_oformat = NULL;
3231 file_iformat = NULL;
3232 image_format = NULL;
3233 audio_disable = 0;
3234 video_disable = 0;
3235 audio_codec_id = CODEC_ID_NONE;
3236 video_codec_id = CODEC_ID_NONE;
3237 audio_stream_copy = 0;
3238 video_stream_copy = 0;
3239 }
3240
3241 /* prepare dummy protocols for grab */
3242 static void prepare_grab(void)
3243 {
3244 int has_video, has_audio, i, j;
3245 AVFormatContext *oc;
3246 AVFormatContext *ic;
3247 AVFormatParameters vp1, *vp = &vp1;
3248 AVFormatParameters ap1, *ap = &ap1;
3249
3250 /* see if audio/video inputs are needed */
3251 has_video = 0;
3252 has_audio = 0;
3253 memset(ap, 0, sizeof(*ap));
3254 memset(vp, 0, sizeof(*vp));
3255 for(j=0;j<nb_output_files;j++) {
3256 oc = output_files[j];
3257 for(i=0;i<oc->nb_streams;i++) {
3258 AVCodecContext *enc = &oc->streams[i]->codec;
3259 switch(enc->codec_type) {
3260 case CODEC_TYPE_AUDIO:
3261 if (enc->sample_rate > ap->sample_rate)
3262 ap->sample_rate = enc->sample_rate;
3263 if (enc->channels > ap->channels)
3264 ap->channels = enc->channels;
3265 has_audio = 1;
3266 break;
3267 case CODEC_TYPE_VIDEO:
3268 if (enc->width > vp->width)
3269 vp->width = enc->width;
3270 if (enc->height > vp->height)
3271 vp->height = enc->height;
3272
3273 assert(enc->frame_rate_base == DEFAULT_FRAME_RATE_BASE);
3274 if (enc->frame_rate > vp->frame_rate){
3275 vp->frame_rate = enc->frame_rate;
3276 vp->frame_rate_base = enc->frame_rate_base;
3277 }
3278 has_video = 1;
3279 break;
3280 default:
3281 av_abort();
3282 }
3283 }
3284 }
3285
3286 if (has_video == 0 && has_audio == 0) {
3287 fprintf(stderr, "Output file must have at least one audio or video stream\n");
3288 exit(1);
3289 }
3290
3291 if (has_video) {
3292 AVInputFormat *fmt1;
3293 fmt1 = av_find_input_format(video_grab_format);
3294 vp->device = video_device;
3295 vp->channel = video_channel;
3296 vp->standard = video_standard;
3297 if (av_open_input_file(&ic, "", fmt1, 0, vp) < 0) {
3298 fprintf(stderr, "Could not find video grab device\n");
3299 exit(1);
3300 }
3301 /* If not enough info to get the stream parameters, we decode the
3302 first frames to get it. */
3303 if ((ic->ctx_flags & AVFMTCTX_NOHEADER) && av_find_stream_info(ic) < 0) {
3304 fprintf(stderr, "Could not find video grab parameters\n");
3305 exit(1);
3306 }
3307 /* by now video grab has one stream */
3308 ic->streams[0]->r_frame_rate = vp->frame_rate;
3309 ic->streams[0]->r_frame_rate_base = vp->frame_rate_base;
3310 input_files[nb_input_files] = ic;
3311
3312 if (verbose >= 0)
3313 dump_format(ic, nb_input_files, "", 0);