Fix bug causing conversion to stop when output_packet() fails patch by (Patrice Benso...
[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 /** select an input file for an output file */
55 typedef struct AVMetaDataMap {
56 int out_file;
57 int in_file;
58 } AVMetaDataMap;
59
60 extern const OptionDef options[];
61
62 static void show_help(void);
63 static void show_license(void);
64
65 #define MAX_FILES 20
66
67 static AVFormatContext *input_files[MAX_FILES];
68 static int64_t input_files_ts_offset[MAX_FILES];
69 static int nb_input_files = 0;
70
71 static AVFormatContext *output_files[MAX_FILES];
72 static int nb_output_files = 0;
73
74 static AVStreamMap stream_maps[MAX_FILES];
75 static int nb_stream_maps;
76
77 static AVMetaDataMap meta_data_maps[MAX_FILES];
78 static int nb_meta_data_maps;
79
80 static AVInputFormat *file_iformat;
81 static AVOutputFormat *file_oformat;
82 static AVImageFormat *image_format;
83 static int frame_width = 160;
84 static int frame_height = 128;
85 static float frame_aspect_ratio = 0;
86 static enum PixelFormat frame_pix_fmt = PIX_FMT_YUV420P;
87 static int frame_padtop = 0;
88 static int frame_padbottom = 0;
89 static int frame_padleft = 0;
90 static int frame_padright = 0;
91 static int padcolor[3] = {16,128,128}; /* default to black */
92 static int frame_topBand = 0;
93 static int frame_bottomBand = 0;
94 static int frame_leftBand = 0;
95 static int frame_rightBand = 0;
96 static int frame_rate = 25;
97 static int frame_rate_base = 1;
98 static int video_bit_rate = 200*1000;
99 static int video_bit_rate_tolerance = 4000*1000;
100 static float video_qscale = 0;
101 static int video_qmin = 2;
102 static int video_qmax = 31;
103 static int video_lmin = 2*FF_QP2LAMBDA;
104 static int video_lmax = 31*FF_QP2LAMBDA;
105 static int video_mb_qmin = 2;
106 static int video_mb_qmax = 31;
107 static int video_qdiff = 3;
108 static float video_qblur = 0.5;
109 static float video_qcomp = 0.5;
110 static uint16_t *intra_matrix = NULL;
111 static uint16_t *inter_matrix = NULL;
112 #if 0 //experimental, (can be removed)
113 static float video_rc_qsquish=1.0;
114 static float video_rc_qmod_amp=0;
115 static int video_rc_qmod_freq=0;
116 #endif
117 static char *video_rc_override_string=NULL;
118 static char *video_rc_eq="tex^qComp";
119 static int video_rc_buffer_size=0;
120 static float video_rc_buffer_aggressivity=1.0;
121 static int video_rc_max_rate=0;
122 static int video_rc_min_rate=0;
123 static float video_rc_initial_cplx=0;
124 static float video_b_qfactor = 1.25;
125 static float video_b_qoffset = 1.25;
126 static float video_i_qfactor = -0.8;
127 static float video_i_qoffset = 0.0;
128 static int video_intra_quant_bias= FF_DEFAULT_QUANT_BIAS;
129 static int video_inter_quant_bias= FF_DEFAULT_QUANT_BIAS;
130 static int me_method = ME_EPZS;
131 static int video_disable = 0;
132 static int video_codec_id = CODEC_ID_NONE;
133 static int same_quality = 0;
134 static int b_frames = 0;
135 static int mb_decision = FF_MB_DECISION_SIMPLE;
136 static int ildct_cmp = FF_CMP_VSAD;
137 static int mb_cmp = FF_CMP_SAD;
138 static int sub_cmp = FF_CMP_SAD;
139 static int cmp = FF_CMP_SAD;
140 static int pre_cmp = FF_CMP_SAD;
141 static int pre_me = 0;
142 static float lumi_mask = 0;
143 static float dark_mask = 0;
144 static float scplx_mask = 0;
145 static float tcplx_mask = 0;
146 static float p_mask = 0;
147 static int use_4mv = 0;
148 static int use_obmc = 0;
149 static int use_loop = 0;
150 static int use_aic = 0;
151 static int use_aiv = 0;
152 static int use_umv = 0;
153 static int use_ss = 0;
154 static int use_alt_scan = 0;
155 static int use_trell = 0;
156 static int use_scan_offset = 0;
157 static int use_qpel = 0;
158 static int use_qprd = 0;
159 static int use_cbprd = 0;
160 static int qns = 0;
161 static int closed_gop = 0;
162 static int do_deinterlace = 0;
163 static int do_interlace_dct = 0;
164 static int do_interlace_me = 0;
165 static int workaround_bugs = FF_BUG_AUTODETECT;
166 static int error_resilience = 2;
167 static int error_concealment = 3;
168 static int dct_algo = 0;
169 static int idct_algo = 0;
170 static int use_part = 0;
171 static int packet_size = 0;
172 static int error_rate = 0;
173 static int strict = 0;
174 static int top_field_first = -1;
175 static int noise_reduction = 0;
176 static int sc_threshold = 0;
177 static int debug = 0;
178 static int debug_mv = 0;
179 static int me_threshold = 0;
180 static int mb_threshold = 0;
181 static int intra_dc_precision = 8;
182 static int coder = 0;
183 static int context = 0;
184 static int predictor = 0;
185 extern int loop_input; /* currently a hack */
186
187 static int gop_size = 12;
188 static int intra_only = 0;
189 static int audio_sample_rate = 44100;
190 static int audio_bit_rate = 64000;
191 static int audio_disable = 0;
192 static int audio_channels = 1;
193 static int audio_codec_id = CODEC_ID_NONE;
194
195 static int64_t recording_time = 0;
196 static int64_t start_time = 0;
197 static int64_t rec_timestamp = 0;
198 static int64_t input_ts_offset = 0;
199 static int file_overwrite = 0;
200 static char *str_title = NULL;
201 static char *str_author = NULL;
202 static char *str_copyright = NULL;
203 static char *str_comment = NULL;
204 static int do_benchmark = 0;
205 static int do_hex_dump = 0;
206 static int do_pkt_dump = 0;
207 static int do_psnr = 0;
208 static int do_vstats = 0;
209 static int do_pass = 0;
210 static int bitexact = 0;
211 static char *pass_logfilename = NULL;
212 static int audio_stream_copy = 0;
213 static int video_stream_copy = 0;
214 static int video_sync_method= 1;
215 static int audio_sync_method= 0;
216 static int copy_ts= 0;
217
218 static int rate_emu = 0;
219
220 static char *video_grab_format = "video4linux";
221 static char *video_device = NULL;
222 static int video_channel = 0;
223 static char *video_standard = "ntsc";
224
225 static char *audio_grab_format = "audio_device";
226 static char *audio_device = NULL;
227
228 static int using_stdin = 0;
229 static int using_vhook = 0;
230 static int verbose = 1;
231 static int thread_count= 1;
232 static int q_pressed = 0;
233 static int me_range = 0;
234 static int64_t video_size = 0;
235 static int64_t audio_size = 0;
236 static int64_t extra_size = 0;
237 static int nb_frames_dup = 0;
238 static int nb_frames_drop = 0;
239 static int input_sync;
240
241 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
242
243 typedef struct AVOutputStream {
244 int file_index; /* file index */
245 int index; /* stream index in the output file */
246 int source_index; /* AVInputStream index */
247 AVStream *st; /* stream in the output file */
248 int encoding_needed; /* true if encoding needed for this stream */
249 int frame_number;
250 /* input pts and corresponding output pts
251 for A/V sync */
252 double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
253 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
254 /* video only */
255 int video_resample; /* video_resample and video_crop are mutually exclusive */
256 AVFrame pict_tmp; /* temporary image for resampling */
257 ImgReSampleContext *img_resample_ctx; /* for image resampling */
258
259 int video_crop; /* video_resample and video_crop are mutually exclusive */
260 int topBand; /* cropping area sizes */
261 int leftBand;
262
263 int video_pad; /* video_resample and video_pad are mutually exclusive */
264 int padtop; /* padding area sizes */
265 int padbottom;
266 int padleft;
267 int padright;
268
269 /* audio only */
270 int audio_resample;
271 ReSampleContext *resample; /* for audio resampling */
272 FifoBuffer fifo; /* for compression: one audio fifo per codec */
273 FILE *logfile;
274 } AVOutputStream;
275
276 typedef struct AVInputStream {
277 int file_index;
278 int index;
279 AVStream *st;
280 int discard; /* true if stream data should be discarded */
281 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
282 int64_t sample_index; /* current sample */
283
284 int64_t start; /* time when read started */
285 unsigned long frame; /* current frame */
286 int64_t next_pts; /* synthetic pts for cases where pkt.pts
287 is not defined */
288 int64_t pts; /* current pts */
289 int is_start; /* is 1 at the start and after a discontinuity */
290 } AVInputStream;
291
292 typedef struct AVInputFile {
293 int eof_reached; /* true if eof reached */
294 int ist_index; /* index of first stream in ist_table */
295 int buffer_size; /* current total buffer size */
296 int buffer_size_max; /* buffer size at which we consider we can stop
297 buffering */
298 int nb_streams; /* nb streams we are aware of */
299 } AVInputFile;
300
301 #ifndef CONFIG_WIN32
302
303 /* init terminal so that we can grab keys */
304 static struct termios oldtty;
305
306 static void term_exit(void)
307 {
308 tcsetattr (0, TCSANOW, &oldtty);
309 }
310
311 static volatile sig_atomic_t received_sigterm = 0;
312
313 static void
314 sigterm_handler(int sig)
315 {
316 received_sigterm = sig;
317 term_exit();
318 }
319
320 static void term_init(void)
321 {
322 struct termios tty;
323
324 tcgetattr (0, &tty);
325 oldtty = tty;
326
327 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
328 |INLCR|IGNCR|ICRNL|IXON);
329 tty.c_oflag |= OPOST;
330 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
331 tty.c_cflag &= ~(CSIZE|PARENB);
332 tty.c_cflag |= CS8;
333 tty.c_cc[VMIN] = 1;
334 tty.c_cc[VTIME] = 0;
335
336 tcsetattr (0, TCSANOW, &tty);
337
338 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
339 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
340 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
341 /*
342 register a function to be called at normal program termination
343 */
344 atexit(term_exit);
345 #ifdef CONFIG_BEOS_NETSERVER
346 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
347 #endif
348 }
349
350 /* read a key without blocking */
351 static int read_key(void)
352 {
353 int n = 1;
354 unsigned char ch;
355 #ifndef CONFIG_BEOS_NETSERVER
356 struct timeval tv;
357 fd_set rfds;
358
359 FD_ZERO(&rfds);
360 FD_SET(0, &rfds);
361 tv.tv_sec = 0;
362 tv.tv_usec = 0;
363 n = select(1, &rfds, NULL, NULL, &tv);
364 #endif
365 if (n > 0) {
366 n = read(0, &ch, 1);
367 if (n == 1)
368 return ch;
369
370 return n;
371 }
372 return -1;
373 }
374
375 static int decode_interrupt_cb(void)
376 {
377 return q_pressed || (q_pressed = read_key() == 'q');
378 }
379
380 #else
381
382 static volatile int received_sigterm = 0;
383
384 /* no interactive support */
385 static void term_exit(void)
386 {
387 }
388
389 static void term_init(void)
390 {
391 }
392
393 static int read_key(void)
394 {
395 return 0;
396 }
397
398 #endif
399
400 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
401 {
402 int i, err;
403 AVFormatContext *ic;
404
405 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
406 if (err < 0)
407 return err;
408 /* copy stream format */
409 s->nb_streams = ic->nb_streams;
410 for(i=0;i<ic->nb_streams;i++) {
411 AVStream *st;
412
413 st = av_mallocz(sizeof(AVStream));
414 memcpy(st, ic->streams[i], sizeof(AVStream));
415 s->streams[i] = st;
416 }
417
418 av_close_input_file(ic);
419 return 0;
420 }
421
422 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
423
424 static void do_audio_out(AVFormatContext *s,
425 AVOutputStream *ost,
426 AVInputStream *ist,
427 unsigned char *buf, int size)
428 {
429 uint8_t *buftmp;
430 static uint8_t *audio_buf = NULL;
431 static uint8_t *audio_out = NULL;
432 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
433
434 int size_out, frame_bytes, ret;
435 AVCodecContext *enc= &ost->st->codec;
436
437 /* SC: dynamic allocation of buffers */
438 if (!audio_buf)
439 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
440 if (!audio_out)
441 audio_out = av_malloc(audio_out_size);
442 if (!audio_buf || !audio_out)
443 return; /* Should signal an error ! */
444
445 if(audio_sync_method){
446 double delta = ost->sync_ipts * enc->sample_rate - ost->sync_opts
447 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2);
448 double idelta= delta*ist->st->codec.sample_rate / enc->sample_rate;
449 int byte_delta= ((int)idelta)*2*ist->st->codec.channels;
450
451 //FIXME resample delay
452 if(fabs(delta) > 50){
453 if(ist->is_start){
454 if(byte_delta < 0){
455 byte_delta= FFMAX(byte_delta, -size);
456 size += byte_delta;
457 buf -= byte_delta;
458 if(verbose > 2)
459 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
460 if(!size)
461 return;
462 ist->is_start=0;
463 }else{
464 static uint8_t *input_tmp= NULL;
465 input_tmp= av_realloc(input_tmp, byte_delta + size);
466
467 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
468 ist->is_start=0;
469 else
470 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
471
472 memset(input_tmp, 0, byte_delta);
473 memcpy(input_tmp + byte_delta, buf, size);
474 buf= input_tmp;
475 size += byte_delta;
476 if(verbose > 2)
477 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
478 }
479 }else if(audio_sync_method>1){
480 int comp= clip(delta, -audio_sync_method, audio_sync_method);
481 assert(ost->audio_resample);
482 if(verbose > 2)
483 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
484 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));
485 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
486 }
487 }
488 }else
489 ost->sync_opts= lrintf(ost->sync_ipts * enc->sample_rate)
490 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2); //FIXME wrong
491
492 if (ost->audio_resample) {
493 buftmp = audio_buf;
494 size_out = audio_resample(ost->resample,
495 (short *)buftmp, (short *)buf,
496 size / (ist->st->codec.channels * 2));
497 size_out = size_out * enc->channels * 2;
498 } else {
499 buftmp = buf;
500 size_out = size;
501 }
502
503 /* now encode as many frames as possible */
504 if (enc->frame_size > 1) {
505 /* output resampled raw samples */
506 fifo_write(&ost->fifo, buftmp, size_out,
507 &ost->fifo.wptr);
508
509 frame_bytes = enc->frame_size * 2 * enc->channels;
510
511 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
512 &ost->fifo.rptr) == 0) {
513 AVPacket pkt;
514 av_init_packet(&pkt);
515
516 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
517 (short *)audio_buf);
518 audio_size += ret;
519 pkt.stream_index= ost->index;
520 pkt.data= audio_out;
521 pkt.size= ret;
522 if(enc->coded_frame)
523 pkt.pts= enc->coded_frame->pts;
524 pkt.flags |= PKT_FLAG_KEY;
525 av_interleaved_write_frame(s, &pkt);
526
527 ost->sync_opts += enc->frame_size;
528 }
529 } else {
530 AVPacket pkt;
531 av_init_packet(&pkt);
532
533 ost->sync_opts += size_out / (2 * enc->channels);
534
535 /* output a pcm frame */
536 /* XXX: change encoding codec API to avoid this ? */
537 switch(enc->codec->id) {
538 case CODEC_ID_PCM_S16LE:
539 case CODEC_ID_PCM_S16BE:
540 case CODEC_ID_PCM_U16LE:
541 case CODEC_ID_PCM_U16BE:
542 break;
543 default:
544 size_out = size_out >> 1;
545 break;
546 }
547 ret = avcodec_encode_audio(enc, audio_out, size_out,
548 (short *)buftmp);
549 audio_size += ret;
550 pkt.stream_index= ost->index;
551 pkt.data= audio_out;
552 pkt.size= ret;
553 if(enc->coded_frame)
554 pkt.pts= enc->coded_frame->pts;
555 pkt.flags |= PKT_FLAG_KEY;
556 av_interleaved_write_frame(s, &pkt);
557 }
558 }
559
560 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
561 {
562 AVCodecContext *dec;
563 AVPicture *picture2;
564 AVPicture picture_tmp;
565 uint8_t *buf = 0;
566
567 dec = &ist->st->codec;
568
569 /* deinterlace : must be done before any resize */
570 if (do_deinterlace || using_vhook) {
571 int size;
572
573 /* create temporary picture */
574 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
575 buf = av_malloc(size);
576 if (!buf)
577 return;
578
579 picture2 = &picture_tmp;
580 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
581
582 if (do_deinterlace){
583 if(avpicture_deinterlace(picture2, picture,
584 dec->pix_fmt, dec->width, dec->height) < 0) {
585 /* if error, do not deinterlace */
586 av_free(buf);
587 buf = NULL;
588 picture2 = picture;
589 }
590 } else {
591 if (img_convert(picture2, dec->pix_fmt, picture,
592 dec->pix_fmt, dec->width, dec->height) < 0) {
593 /* if error, do not copy */
594 av_free(buf);
595 buf = NULL;
596 picture2 = picture;
597 }
598 }
599 } else {
600 picture2 = picture;
601 }
602
603 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
604
605 if (picture != picture2)
606 *picture = *picture2;
607 *bufp = buf;
608 }
609
610 /* we begin to correct av delay at this threshold */
611 #define AV_DELAY_MAX 0.100
612
613
614 /* Expects img to be yuv420 */
615 static void fill_pad_region(AVPicture* img, int height, int width,
616 int padtop, int padbottom, int padleft, int padright, int *color) {
617
618 int i, y, shift;
619 uint8_t *optr;
620
621 for (i = 0; i < 3; i++) {
622 shift = (i == 0) ? 0 : 1;
623
624 if (padtop || padleft) {
625 memset(img->data[i], color[i], (((img->linesize[i] * padtop) +
626 padleft) >> shift));
627 }
628
629 if (padleft || padright) {
630 optr = img->data[i] + (img->linesize[i] * (padtop >> shift)) +
631 (img->linesize[i] - (padright >> shift));
632
633 for (y = 0; y < ((height - (padtop + padbottom)) >> shift); y++) {
634 memset(optr, color[i], (padleft + padright) >> shift);
635 optr += img->linesize[i];
636 }
637 }
638
639 if (padbottom) {
640 optr = img->data[i] + (img->linesize[i] * ((height - padbottom) >> shift));
641 memset(optr, color[i], ((img->linesize[i] * padbottom) >> shift));
642 }
643 }
644 }
645
646 static uint8_t *bit_buffer= NULL;
647
648 static void do_video_out(AVFormatContext *s,
649 AVOutputStream *ost,
650 AVInputStream *ist,
651 AVFrame *in_picture,
652 int *frame_size)
653 {
654 int nb_frames, i, ret;
655 AVFrame *final_picture, *formatted_picture;
656 AVFrame picture_format_temp, picture_crop_temp;
657 uint8_t *buf = NULL, *buf1 = NULL;
658 AVCodecContext *enc, *dec;
659 enum PixelFormat target_pixfmt;
660
661 #define VIDEO_BUFFER_SIZE (1024*1024)
662
663 avcodec_get_frame_defaults(&picture_format_temp);
664 avcodec_get_frame_defaults(&picture_crop_temp);
665
666 enc = &ost->st->codec;
667 dec = &ist->st->codec;
668
669 /* by default, we output a single frame */
670 nb_frames = 1;
671
672 *frame_size = 0;
673
674 if(video_sync_method){
675 double vdelta;
676 vdelta = ost->sync_ipts * enc->frame_rate / enc->frame_rate_base - ost->sync_opts;
677 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
678 if (vdelta < -1.1)
679 nb_frames = 0;
680 else if (vdelta > 1.1)
681 nb_frames = 2;
682 //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);
683 if (nb_frames == 0){
684 ++nb_frames_drop;
685 if (verbose>2)
686 fprintf(stderr, "*** drop!\n");
687 }else if (nb_frames == 2) {
688 ++nb_frames_dup;
689 if (verbose>2)
690 fprintf(stderr, "*** dup!\n");
691 }
692 }else
693 ost->sync_opts= lrintf(ost->sync_ipts * enc->frame_rate / enc->frame_rate_base);
694
695 if (nb_frames <= 0)
696 return;
697
698 /* convert pixel format if needed */
699 target_pixfmt = ost->video_resample || ost->video_pad
700 ? PIX_FMT_YUV420P : enc->pix_fmt;
701 if (dec->pix_fmt != target_pixfmt) {
702 int size;
703
704 /* create temporary picture */
705 size = avpicture_get_size(target_pixfmt, dec->width, dec->height);
706 buf = av_malloc(size);
707 if (!buf)
708 return;
709 formatted_picture = &picture_format_temp;
710 avpicture_fill((AVPicture*)formatted_picture, buf, target_pixfmt, dec->width, dec->height);
711
712 if (img_convert((AVPicture*)formatted_picture, target_pixfmt,
713 (AVPicture *)in_picture, dec->pix_fmt,
714 dec->width, dec->height) < 0) {
715
716 if (verbose >= 0)
717 fprintf(stderr, "pixel format conversion not handled\n");
718
719 goto the_end;
720 }
721 } else {
722 formatted_picture = in_picture;
723 }
724
725 /* XXX: resampling could be done before raw format conversion in
726 some cases to go faster */
727 /* XXX: only works for YUV420P */
728 if (ost->video_resample) {
729 final_picture = &ost->pict_tmp;
730 img_resample(ost->img_resample_ctx, (AVPicture*)final_picture, (AVPicture*)formatted_picture);
731
732 if (ost->padtop || ost->padbottom || ost->padleft || ost->padright) {
733 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
734 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
735 padcolor);
736 }
737
738 if (enc->pix_fmt != PIX_FMT_YUV420P) {
739 int size;
740
741 av_free(buf);
742 /* create temporary picture */
743 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
744 buf = av_malloc(size);
745 if (!buf)
746 return;
747 final_picture = &picture_format_temp;
748 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
749
750 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
751 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
752 enc->width, enc->height) < 0) {
753
754 if (verbose >= 0)
755 fprintf(stderr, "pixel format conversion not handled\n");
756
757 goto the_end;
758 }
759 }
760 } else if (ost->video_crop) {
761 picture_crop_temp.data[0] = formatted_picture->data[0] +
762 (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
763
764 picture_crop_temp.data[1] = formatted_picture->data[1] +
765 ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
766 (ost->leftBand >> 1);
767
768 picture_crop_temp.data[2] = formatted_picture->data[2] +
769 ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
770 (ost->leftBand >> 1);
771
772 picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
773 picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
774 picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
775 final_picture = &picture_crop_temp;
776 } else if (ost->video_pad) {
777 final_picture = &ost->pict_tmp;
778
779 for (i = 0; i < 3; i++) {
780 uint8_t *optr, *iptr;
781 int shift = (i == 0) ? 0 : 1;
782 int y, yheight;
783
784 /* set offset to start writing image into */
785 optr = final_picture->data[i] + (((final_picture->linesize[i] *
786 ost->padtop) + ost->padleft) >> shift);
787 iptr = formatted_picture->data[i];
788
789 yheight = (enc->height - ost->padtop - ost->padbottom) >> shift;
790 for (y = 0; y < yheight; y++) {
791 /* copy unpadded image row into padded image row */
792 memcpy(optr, iptr, formatted_picture->linesize[i]);
793 optr += final_picture->linesize[i];
794 iptr += formatted_picture->linesize[i];
795 }
796 }
797
798 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
799 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
800 padcolor);
801
802 if (enc->pix_fmt != PIX_FMT_YUV420P) {
803 int size;
804
805 av_free(buf);
806 /* create temporary picture */
807 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
808 buf = av_malloc(size);
809 if (!buf)
810 return;
811 final_picture = &picture_format_temp;
812 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
813
814 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
815 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
816 enc->width, enc->height) < 0) {
817
818 if (verbose >= 0)
819 fprintf(stderr, "pixel format conversion not handled\n");
820
821 goto the_end;
822 }
823 }
824 } else {
825 final_picture = formatted_picture;
826 }
827 /* duplicates frame if needed */
828 for(i=0;i<nb_frames;i++) {
829 AVPacket pkt;
830 av_init_packet(&pkt);
831 pkt.stream_index= ost->index;
832
833 if (s->oformat->flags & AVFMT_RAWPICTURE) {
834 /* raw pictures are written as AVPicture structure to
835 avoid any copies. We support temorarily the older
836 method. */
837 AVFrame* old_frame = enc->coded_frame;
838 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
839 pkt.data= (uint8_t *)final_picture;
840 pkt.size= sizeof(AVPicture);
841 if(dec->coded_frame)
842 pkt.pts= dec->coded_frame->pts;
843 if(dec->coded_frame && dec->coded_frame->key_frame)
844 pkt.flags |= PKT_FLAG_KEY;
845
846 av_interleaved_write_frame(s, &pkt);
847 enc->coded_frame = old_frame;
848 } else {
849 AVFrame big_picture;
850
851 big_picture= *final_picture;
852 /* better than nothing: use input picture interlaced
853 settings */
854 big_picture.interlaced_frame = in_picture->interlaced_frame;
855 if(do_interlace_me || do_interlace_dct){
856 if(top_field_first == -1)
857 big_picture.top_field_first = in_picture->top_field_first;
858 else
859 big_picture.top_field_first = top_field_first;
860 }
861
862 /* handles sameq here. This is not correct because it may
863 not be a global option */
864 if (same_quality) {
865 big_picture.quality = ist->st->quality;
866 }else
867 big_picture.quality = ost->st->quality;
868 if(!me_threshold)
869 big_picture.pict_type = 0;
870 // big_picture.pts = AV_NOPTS_VALUE;
871 big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->frame_rate_base, enc->frame_rate);
872 //av_log(NULL, AV_LOG_DEBUG, "%lld -> encoder\n", ost->sync_opts);
873 ret = avcodec_encode_video(enc,
874 bit_buffer, VIDEO_BUFFER_SIZE,
875 &big_picture);
876 //enc->frame_number = enc->real_pict_num;
877 if(ret){
878 pkt.data= bit_buffer;
879 pkt.size= ret;
880 if(enc->coded_frame)
881 pkt.pts= enc->coded_frame->pts;
882 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %lld/%lld\n",
883 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->frame_rate, AV_TIME_BASE*(int64_t)enc->frame_rate_base) : -1,
884 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->frame_rate, AV_TIME_BASE*(int64_t)enc->frame_rate_base) : -1);*/
885
886 if(enc->coded_frame && enc->coded_frame->key_frame)
887 pkt.flags |= PKT_FLAG_KEY;
888 av_interleaved_write_frame(s, &pkt);
889 *frame_size = ret;
890 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
891 // enc->frame_number-1, enc->real_pict_num, ret,
892 // enc->pict_type);
893 /* if two pass, output log */
894 if (ost->logfile && enc->stats_out) {
895 fprintf(ost->logfile, "%s", enc->stats_out);
896 }
897 }
898 }
899 ost->sync_opts++;
900 ost->frame_number++;
901 }
902 the_end:
903 av_free(buf);
904 av_free(buf1);
905 }
906
907 static double psnr(double d){
908 if(d==0) return INFINITY;
909 return -10.0*log(d)/log(10.0);
910 }
911
912 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
913 int frame_size)
914 {
915 static FILE *fvstats=NULL;
916 char filename[40];
917 time_t today2;
918 struct tm *today;
919 AVCodecContext *enc;
920 int frame_number;
921 int64_t ti;
922 double ti1, bitrate, avg_bitrate;
923
924 if (!fvstats) {
925 today2 = time(NULL);
926 today = localtime(&today2);
927 sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour,
928 today->tm_min,
929 today->tm_sec);
930 fvstats = fopen(filename,"w");
931 if (!fvstats) {
932 perror("fopen");
933 exit(1);
934 }
935 }
936
937 ti = MAXINT64;
938 enc = &ost->st->codec;
939 if (enc->codec_type == CODEC_TYPE_VIDEO) {
940 frame_number = ost->frame_number;
941 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
942 if (enc->flags&CODEC_FLAG_PSNR)
943 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
944
945 fprintf(fvstats,"f_size= %6d ", frame_size);
946 /* compute pts value */
947 ti1 = (double)ost->sync_opts *enc->frame_rate_base / enc->frame_rate;
948 if (ti1 < 0.01)
949 ti1 = 0.01;
950
951 bitrate = (double)(frame_size * 8) * enc->frame_rate / enc->frame_rate_base / 1000.0;
952 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
953 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
954 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
955 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
956 }
957 }
958
959 static void print_report(AVFormatContext **output_files,
960 AVOutputStream **ost_table, int nb_ostreams,
961 int is_last_report)
962 {
963 char buf[1024];
964 AVOutputStream *ost;
965 AVFormatContext *oc, *os;
966 int64_t total_size;
967 AVCodecContext *enc;
968 int frame_number, vid, i;
969 double bitrate, ti1, pts;
970 static int64_t last_time = -1;
971
972 if (!is_last_report) {
973 int64_t cur_time;
974 /* display the report every 0.5 seconds */
975 cur_time = av_gettime();
976 if (last_time == -1) {
977 last_time = cur_time;
978 return;
979 }
980 if ((cur_time - last_time) < 500000)
981 return;
982 last_time = cur_time;
983 }
984
985
986 oc = output_files[0];
987
988 total_size = url_ftell(&oc->pb);
989
990 buf[0] = '\0';
991 ti1 = 1e10;
992 vid = 0;
993 for(i=0;i<nb_ostreams;i++) {
994 ost = ost_table[i];
995 os = output_files[ost->file_index];
996 enc = &ost->st->codec;
997 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
998 sprintf(buf + strlen(buf), "q=%2.1f ",
999 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1000 }
1001 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1002 frame_number = ost->frame_number;
1003 sprintf(buf + strlen(buf), "frame=%5d q=%2.1f ",
1004 frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : 0);
1005 if(is_last_report)
1006 sprintf(buf + strlen(buf), "L");
1007 if (enc->flags&CODEC_FLAG_PSNR){
1008 int j;
1009 double error, error_sum=0;
1010 double scale, scale_sum=0;
1011 char type[3]= {'Y','U','V'};
1012 sprintf(buf + strlen(buf), "PSNR=");
1013 for(j=0; j<3; j++){
1014 if(is_last_report){
1015 error= enc->error[j];
1016 scale= enc->width*enc->height*255.0*255.0*frame_number;
1017 }else{
1018 error= enc->coded_frame->error[j];
1019 scale= enc->width*enc->height*255.0*255.0;
1020 }
1021 if(j) scale/=4;
1022 error_sum += error;
1023 scale_sum += scale;
1024 sprintf(buf + strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1025 }
1026 sprintf(buf + strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1027 }
1028 vid = 1;
1029 }
1030 /* compute min output value */
1031 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1032 if ((pts < ti1) && (pts > 0))
1033 ti1 = pts;
1034 }
1035 if (ti1 < 0.01)
1036 ti1 = 0.01;
1037
1038 if (verbose || is_last_report) {
1039 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1040
1041 sprintf(buf + strlen(buf),
1042 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1043 (double)total_size / 1024, ti1, bitrate);
1044
1045 if (verbose > 1)
1046 sprintf(buf + strlen(buf), " dup=%d drop=%d",
1047 nb_frames_dup, nb_frames_drop);
1048
1049 if (verbose >= 0)
1050 fprintf(stderr, "%s \r", buf);
1051
1052 fflush(stderr);
1053 }
1054
1055 if (is_last_report && verbose >= 0){
1056 int64_t raw= audio_size + video_size + extra_size;
1057 fprintf(stderr, "\n");
1058 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1059 video_size/1024.0,
1060 audio_size/1024.0,
1061 extra_size/1024.0,
1062 100.0*(total_size - raw)/raw
1063 );
1064 }
1065 }
1066
1067 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1068 static int output_packet(AVInputStream *ist, int ist_index,
1069 AVOutputStream **ost_table, int nb_ostreams,
1070 const AVPacket *pkt)
1071 {
1072 AVFormatContext *os;
1073 AVOutputStream *ost;
1074 uint8_t *ptr;
1075 int len, ret, i;
1076 uint8_t *data_buf;
1077 int data_size, got_picture;
1078 AVFrame picture;
1079 short samples[pkt && pkt->size > AVCODEC_MAX_AUDIO_FRAME_SIZE/2 ? pkt->size : AVCODEC_MAX_AUDIO_FRAME_SIZE/2];
1080 void *buffer_to_free;
1081
1082 if (pkt && pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1083 ist->next_pts = ist->pts = pkt->dts;
1084 } else {
1085 assert(ist->pts == ist->next_pts);
1086 }
1087
1088 if (pkt == NULL) {
1089 /* EOF handling */
1090 ptr = NULL;
1091 len = 0;
1092 goto handle_eof;
1093 }
1094
1095 len = pkt->size;
1096 ptr = pkt->data;
1097 while (len > 0) {
1098 handle_eof:
1099 /* decode the packet if needed */
1100 data_buf = NULL; /* fail safe */
1101 data_size = 0;
1102 if (ist->decoding_needed) {
1103 switch(ist->st->codec.codec_type) {
1104 case CODEC_TYPE_AUDIO:
1105 /* XXX: could avoid copy if PCM 16 bits with same
1106 endianness as CPU */
1107 ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
1108 ptr, len);
1109 if (ret < 0)
1110 goto fail_decode;
1111 ptr += ret;
1112 len -= ret;
1113 /* Some bug in mpeg audio decoder gives */
1114 /* data_size < 0, it seems they are overflows */
1115 if (data_size <= 0) {
1116 /* no audio frame */
1117 continue;
1118 }
1119 data_buf = (uint8_t *)samples;
1120 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1121 (ist->st->codec.sample_rate * ist->st->codec.channels);
1122 break;
1123 case CODEC_TYPE_VIDEO:
1124 data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
1125 /* XXX: allocate picture correctly */
1126 avcodec_get_frame_defaults(&picture);
1127
1128 ret = avcodec_decode_video(&ist->st->codec,
1129 &picture, &got_picture, ptr, len);
1130 ist->st->quality= picture.quality;
1131 if (ret < 0)
1132 goto fail_decode;
1133 if (!got_picture) {
1134 /* no picture yet */
1135 goto discard_packet;
1136 }
1137 if (ist->st->codec.frame_rate_base != 0) {
1138 ist->next_pts += ((int64_t)AV_TIME_BASE *
1139 ist->st->codec.frame_rate_base) /
1140 ist->st->codec.frame_rate;
1141 }
1142 len = 0;
1143 break;
1144 default:
1145 goto fail_decode;
1146 }
1147 } else {
1148 data_buf = ptr;
1149 data_size = len;
1150 ret = len;
1151 len = 0;
1152 }
1153
1154 buffer_to_free = NULL;
1155 if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1156 pre_process_video_frame(ist, (AVPicture *)&picture,
1157 &buffer_to_free);
1158 }
1159
1160 /* frame rate emulation */
1161 if (ist->st->codec.rate_emu) {
1162 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec.frame_rate_base, 1000000, ist->st->codec.frame_rate);
1163 int64_t now = av_gettime() - ist->start;
1164 if (pts > now)
1165 usleep(pts - now);
1166
1167 ist->frame++;
1168 }
1169
1170 #if 0
1171 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1172 is the one of the next displayed one */
1173 /* XXX: add mpeg4 too ? */
1174 if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
1175 if (ist->st->codec.pict_type != B_TYPE) {
1176 int64_t tmp;
1177 tmp = ist->last_ip_pts;
1178 ist->last_ip_pts = ist->frac_pts.val;
1179 ist->frac_pts.val = tmp;
1180 }
1181 }
1182 #endif
1183 /* if output time reached then transcode raw format,
1184 encode packets and output them */
1185 if (start_time == 0 || ist->pts >= start_time)
1186 for(i=0;i<nb_ostreams;i++) {
1187 int frame_size;
1188
1189 ost = ost_table[i];
1190 if (ost->source_index == ist_index) {
1191 os = output_files[ost->file_index];
1192
1193 #if 0
1194 printf("%d: got pts=%0.3f %0.3f\n", i,
1195 (double)pkt->pts / AV_TIME_BASE,
1196 ((double)ist->pts / AV_TIME_BASE) -
1197 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1198 #endif
1199 /* set the input output pts pairs */
1200 ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index])/ AV_TIME_BASE;
1201
1202 if (ost->encoding_needed) {
1203 switch(ost->st->codec.codec_type) {
1204 case CODEC_TYPE_AUDIO:
1205 do_audio_out(os, ost, ist, data_buf, data_size);
1206 break;
1207 case CODEC_TYPE_VIDEO:
1208 /* find an audio stream for synchro */
1209 {
1210 int i;
1211 AVOutputStream *audio_sync, *ost1;
1212 audio_sync = NULL;
1213 for(i=0;i<nb_ostreams;i++) {
1214 ost1 = ost_table[i];
1215 if (ost1->file_index == ost->file_index &&
1216 ost1->st->codec.codec_type == CODEC_TYPE_AUDIO) {
1217 audio_sync = ost1;
1218 break;
1219 }
1220 }
1221
1222 do_video_out(os, ost, ist, &picture, &frame_size);
1223 video_size += frame_size;
1224 if (do_vstats && frame_size)
1225 do_video_stats(os, ost, frame_size);
1226 }
1227 break;
1228 default:
1229 av_abort();
1230 }
1231 } else {
1232 AVFrame avframe; //FIXME/XXX remove this
1233 AVPacket opkt;
1234 av_init_packet(&opkt);
1235
1236 /* no reencoding needed : output the packet directly */
1237 /* force the input stream PTS */
1238
1239 avcodec_get_frame_defaults(&avframe);
1240 ost->st->codec.coded_frame= &avframe;
1241 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1242
1243 if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO)
1244 audio_size += data_size;
1245 else if (ost->st->codec.codec_type == CODEC_TYPE_VIDEO)
1246 video_size += data_size;
1247
1248 opkt.stream_index= ost->index;
1249 opkt.data= data_buf;
1250 opkt.size= data_size;
1251 opkt.pts= pkt->pts + input_files_ts_offset[ist->file_index];
1252 opkt.dts= pkt->dts + input_files_ts_offset[ist->file_index];
1253 opkt.flags= pkt->flags;
1254
1255 av_interleaved_write_frame(os, &opkt);
1256 ost->st->codec.frame_number++;
1257 ost->frame_number++;
1258 }
1259 }
1260 }
1261 av_free(buffer_to_free);
1262 }
1263 discard_packet:
1264 if (pkt == NULL) {
1265 /* EOF handling */
1266
1267 for(i=0;i<nb_ostreams;i++) {
1268 ost = ost_table[i];
1269 if (ost->source_index == ist_index) {
1270 AVCodecContext *enc= &ost->st->codec;
1271 os = output_files[ost->file_index];
1272
1273 if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1274 continue;
1275 if(ost->st->codec.codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1276 continue;
1277
1278 if (ost->encoding_needed) {
1279 for(;;) {
1280 AVPacket pkt;
1281 av_init_packet(&pkt);
1282 pkt.stream_index= ost->index;
1283
1284 switch(ost->st->codec.codec_type) {
1285 case CODEC_TYPE_AUDIO:
1286 ret = avcodec_encode_audio(enc, bit_buffer, VIDEO_BUFFER_SIZE, NULL);
1287 audio_size += ret;
1288 pkt.flags |= PKT_FLAG_KEY;
1289 break;
1290 case CODEC_TYPE_VIDEO:
1291 ret = avcodec_encode_video(enc, bit_buffer, VIDEO_BUFFER_SIZE, NULL);
1292 video_size += ret;
1293 if(enc->coded_frame && enc->coded_frame->key_frame)
1294 pkt.flags |= PKT_FLAG_KEY;
1295 if (ost->logfile && enc->stats_out) {
1296 fprintf(ost->logfile, "%s", enc->stats_out);
1297 }
1298 break;
1299 default:
1300 ret=-1;
1301 }
1302
1303 if(ret<=0)
1304 break;
1305 pkt.data= bit_buffer;
1306 pkt.size= ret;
1307 if(enc->coded_frame)
1308 pkt.pts= enc->coded_frame->pts;
1309 av_interleaved_write_frame(os, &pkt);
1310 }
1311 }
1312 }
1313 }
1314 }
1315
1316 return 0;
1317 fail_decode:
1318 return -1;
1319 }
1320
1321
1322 /*
1323 * The following code is the main loop of the file converter
1324 */
1325 static int av_encode(AVFormatContext **output_files,
1326 int nb_output_files,
1327 AVFormatContext **input_files,
1328 int nb_input_files,
1329 AVStreamMap *stream_maps, int nb_stream_maps)
1330 {
1331 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1332 AVFormatContext *is, *os;
1333 AVCodecContext *codec, *icodec;
1334 AVOutputStream *ost, **ost_table = NULL;
1335 AVInputStream *ist, **ist_table = NULL;
1336 AVInputFile *file_table;
1337 AVFormatContext *stream_no_data;
1338 int key;
1339
1340 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1341 if (!file_table)
1342 goto fail;
1343
1344 if (!bit_buffer)
1345 bit_buffer = av_malloc(VIDEO_BUFFER_SIZE);
1346 if (!bit_buffer)
1347 goto fail;
1348
1349 /* input stream init */
1350 j = 0;
1351 for(i=0;i<nb_input_files;i++) {
1352 is = input_files[i];
1353 file_table[i].ist_index = j;
1354 file_table[i].nb_streams = is->nb_streams;
1355 j += is->nb_streams;
1356 }
1357 nb_istreams = j;
1358
1359 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1360 if (!ist_table)
1361 goto fail;
1362
1363 for(i=0;i<nb_istreams;i++) {
1364 ist = av_mallocz(sizeof(AVInputStream));
1365 if (!ist)
1366 goto fail;
1367 ist_table[i] = ist;
1368 }
1369 j = 0;
1370 for(i=0;i<nb_input_files;i++) {
1371 is = input_files[i];
1372 for(k=0;k<is->nb_streams;k++) {
1373 ist = ist_table[j++];
1374 ist->st = is->streams[k];
1375 ist->file_index = i;
1376 ist->index = k;
1377 ist->discard = 1; /* the stream is discarded by default
1378 (changed later) */
1379
1380 if (ist->st->codec.rate_emu) {
1381 ist->start = av_gettime();
1382 ist->frame = 0;
1383 }
1384 }
1385 }
1386
1387 /* output stream init */
1388 nb_ostreams = 0;
1389 for(i=0;i<nb_output_files;i++) {
1390 os = output_files[i];
1391 nb_ostreams += os->nb_streams;
1392 }
1393 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1394 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1395 exit(1);
1396 }
1397
1398 /* Sanity check the mapping args -- do the input files & streams exist? */
1399 for(i=0;i<nb_stream_maps;i++) {
1400 int fi = stream_maps[i].file_index;
1401 int si = stream_maps[i].stream_index;
1402
1403 if (fi < 0 || fi > nb_input_files - 1 ||
1404 si < 0 || si > file_table[fi].nb_streams - 1) {
1405 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1406 exit(1);
1407 }
1408 }
1409
1410 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1411 if (!ost_table)
1412 goto fail;
1413 for(i=0;i<nb_ostreams;i++) {
1414 ost = av_mallocz(sizeof(AVOutputStream));
1415 if (!ost)
1416 goto fail;
1417 ost_table[i] = ost;
1418 }
1419
1420 n = 0;
1421 for(k=0;k<nb_output_files;k++) {
1422 os = output_files[k];
1423 for(i=0;i<os->nb_streams;i++) {
1424 int found;
1425 ost = ost_table[n++];
1426 ost->file_index = k;
1427 ost->index = i;
1428 ost->st = os->streams[i];
1429 if (nb_stream_maps > 0) {
1430 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1431 stream_maps[n-1].stream_index;
1432
1433 /* Sanity check that the stream types match */
1434 if (ist_table[ost->source_index]->st->codec.codec_type != ost->st->codec.codec_type) {
1435 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1436 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1437 ost->file_index, ost->index);
1438 exit(1);
1439 }
1440
1441 } else {
1442 /* get corresponding input stream index : we select the first one with the right type */
1443 found = 0;
1444 for(j=0;j<nb_istreams;j++) {
1445 ist = ist_table[j];
1446 if (ist->discard &&
1447 ist->st->codec.codec_type == ost->st->codec.codec_type) {
1448 ost->source_index = j;
1449 found = 1;
1450 }
1451 }
1452
1453 if (!found) {
1454 /* try again and reuse existing stream */
1455 for(j=0;j<nb_istreams;j++) {
1456 ist = ist_table[j];
1457 if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
1458 ost->source_index = j;
1459 found = 1;
1460 }
1461 }
1462 if (!found) {
1463 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1464 ost->file_index, ost->index);
1465 exit(1);
1466 }
1467 }
1468 }
1469 ist = ist_table[ost->source_index];
1470 ist->discard = 0;
1471 }
1472 }
1473
1474 /* for each output stream, we compute the right encoding parameters */
1475 for(i=0;i<nb_ostreams;i++) {
1476 ost = ost_table[i];
1477 ist = ist_table[ost->source_index];
1478
1479 codec = &ost->st->codec;
1480 icodec = &ist->st->codec;
1481
1482 if (ost->st->stream_copy) {
1483 /* if stream_copy is selected, no need to decode or encode */
1484 codec->codec_id = icodec->codec_id;
1485 codec->codec_type = icodec->codec_type;
1486 codec->codec_tag = icodec->codec_tag;
1487 codec->bit_rate = icodec->bit_rate;
1488 switch(codec->codec_type) {
1489 case CODEC_TYPE_AUDIO:
1490 codec->sample_rate = icodec->sample_rate;
1491 codec->channels = icodec->channels;
1492 codec->frame_size = icodec->frame_size;
1493 break;
1494 case CODEC_TYPE_VIDEO:
1495 codec->frame_rate = icodec->frame_rate;
1496 codec->frame_rate_base = icodec->frame_rate_base;
1497 codec->width = icodec->width;
1498 codec->height = icodec->height;
1499 break;
1500 default:
1501 av_abort();
1502 }
1503 } else {
1504 switch(codec->codec_type) {
1505 case CODEC_TYPE_AUDIO:
1506 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1507 goto fail;
1508
1509 if (codec->channels == icodec->channels &&
1510 codec->sample_rate == icodec->sample_rate) {
1511 ost->audio_resample = 0;
1512 } else {
1513 if (codec->channels != icodec->channels &&
1514 (icodec->codec_id == CODEC_ID_AC3 ||
1515 icodec->codec_id == CODEC_ID_DTS)) {
1516 /* Special case for 5:1 AC3 and DTS input */
1517 /* and mono or stereo output */
1518 /* Request specific number of channels */
1519 icodec->channels = codec->channels;
1520 if (codec->sample_rate == icodec->sample_rate)
1521 ost->audio_resample = 0;
1522 else {
1523 ost->audio_resample = 1;
1524 }
1525 } else {
1526 ost->audio_resample = 1;
1527 }
1528 }
1529 if(audio_sync_method>1)
1530 ost->audio_resample = 1;
1531
1532 if(ost->audio_resample){
1533 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1534 codec->sample_rate, icodec->sample_rate);
1535 if(!ost->resample){
1536 printf("Can't resample. Aborting.\n");
1537 av_abort();
1538 }
1539 }
1540 ist->decoding_needed = 1;
1541 ost->encoding_needed = 1;
1542 break;
1543 case CODEC_TYPE_VIDEO:
1544 if (codec->width == icodec->width &&
1545 codec->height == icodec->height &&
1546 frame_topBand == 0 &&
1547 frame_bottomBand == 0 &&
1548 frame_leftBand == 0 &&
1549 frame_rightBand == 0 &&
1550 frame_padtop == 0 &&
1551 frame_padbottom == 0 &&
1552 frame_padleft == 0 &&
1553 frame_padright == 0)
1554 {
1555 ost->video_resample = 0;
1556 ost->video_crop = 0;
1557 ost->video_pad = 0;
1558 } else if ((codec->width == icodec->width -
1559 (frame_leftBand + frame_rightBand)) &&
1560 (codec->height == icodec->height -
1561 (frame_topBand + frame_bottomBand)))
1562 {
1563 ost->video_resample = 0;
1564 ost->video_crop = 1;
1565 ost->topBand = frame_topBand;
1566 ost->leftBand = frame_leftBand;
1567 } else if ((codec->width == icodec->width +
1568 (frame_padleft + frame_padright)) &&
1569 (codec->height == icodec->height +
1570 (frame_padtop + frame_padbottom))) {
1571 ost->video_resample = 0;
1572 ost->video_crop = 0;
1573 ost->video_pad = 1;
1574 ost->padtop = frame_padtop;
1575 ost->padleft = frame_padleft;
1576 ost->padbottom = frame_padbottom;
1577 ost->padright = frame_padright;
1578 avcodec_get_frame_defaults(&ost->pict_tmp);
1579 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1580 codec->width, codec->height ) )
1581 goto fail;
1582 } else {
1583 ost->video_resample = 1;
1584 ost->video_crop = 0; // cropping is handled as part of resample
1585 avcodec_get_frame_defaults(&ost->pict_tmp);
1586 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1587 codec->width, codec->height ) )
1588 goto fail;
1589
1590 ost->img_resample_ctx = img_resample_full_init(
1591 ost->st->codec.width, ost->st->codec.height,
1592 ist->st->codec.width, ist->st->codec.height,
1593 frame_topBand, frame_bottomBand,
1594 frame_leftBand, frame_rightBand,
1595 frame_padtop, frame_padbottom,
1596 frame_padleft, frame_padright);
1597
1598 ost->padtop = frame_padtop;
1599 ost->padleft = frame_padleft;
1600 ost->padbottom = frame_padbottom;
1601 ost->padright = frame_padright;
1602
1603 }
1604 ost->encoding_needed = 1;
1605 ist->decoding_needed = 1;
1606 break;
1607 default:
1608 av_abort();
1609 }
1610 /* two pass mode */
1611 if (ost->encoding_needed &&
1612 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1613 char logfilename[1024];
1614 FILE *f;
1615 int size;
1616 char *logbuffer;
1617
1618 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1619 pass_logfilename ?
1620 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1621 if (codec->flags & CODEC_FLAG_PASS1) {
1622 f = fopen(logfilename, "w");
1623 if (!f) {
1624 perror(logfilename);
1625 exit(1);
1626 }
1627 ost->logfile = f;
1628 } else {
1629 /* read the log file */
1630 f = fopen(logfilename, "r");
1631 if (!f) {
1632 perror(logfilename);
1633 exit(1);
1634 }
1635 fseek(f, 0, SEEK_END);
1636 size = ftell(f);
1637 fseek(f, 0, SEEK_SET);
1638 logbuffer = av_malloc(size + 1);
1639 if (!logbuffer) {
1640 fprintf(stderr, "Could not allocate log buffer\n");
1641 exit(1);
1642 }
1643 size = fread(logbuffer, 1, size, f);
1644 fclose(f);
1645 logbuffer[size] = '\0';
1646 codec->stats_in = logbuffer;
1647 }
1648 }
1649 }
1650 }
1651
1652 /* dump the file output parameters - cannot be done before in case
1653 of stream copy */
1654 for(i=0;i<nb_output_files;i++) {
1655 dump_format(output_files[i], i, output_files[i]->filename, 1);
1656 }
1657
1658 /* dump the stream mapping */
1659 if (verbose >= 0) {
1660 fprintf(stderr, "Stream mapping:\n");
1661 for(i=0;i<nb_ostreams;i++) {
1662 ost = ost_table[i];
1663 fprintf(stderr, " Stream #%d.%d -> #%d.%d\n",
1664 ist_table[ost->source_index]->file_index,
1665 ist_table[ost->source_index]->index,
1666 ost->file_index,
1667 ost->index);
1668 }
1669 }
1670
1671 /* open each encoder */
1672 for(i=0;i<nb_ostreams;i++) {
1673 ost = ost_table[i];
1674 if (ost->encoding_needed) {
1675 AVCodec *codec;
1676 codec = avcodec_find_encoder(ost->st->codec.codec_id);
1677 if (!codec) {
1678 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1679 ost->file_index, ost->index);
1680 exit(1);
1681 }
1682 if (avcodec_open(&ost->st->codec, codec) < 0) {
1683 fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1684 ost->file_index, ost->index);
1685 exit(1);
1686 }
1687 extra_size += ost->st->codec.extradata_size;
1688 }
1689 }
1690
1691 /* open each decoder */
1692 for(i=0;i<nb_istreams;i++) {
1693 ist = ist_table[i];
1694 if (ist->decoding_needed) {
1695 AVCodec *codec;
1696 codec = avcodec_find_decoder(ist->st->codec.codec_id);
1697 if (!codec) {
1698 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1699 ist->st->codec.codec_id, ist->file_index, ist->index);
1700 exit(1);
1701 }
1702 if (avcodec_open(&ist->st->codec, codec) < 0) {
1703 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1704 ist->file_index, ist->index);
1705 exit(1);
1706 }
1707 //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1708 // ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1709 }
1710 }
1711
1712 /* init pts */
1713 for(i=0;i<nb_istreams;i++) {
1714 ist = ist_table[i];
1715 is = input_files[ist->file_index];
1716 ist->pts = 0;
1717 ist->next_pts = 0;
1718 ist->is_start = 1;
1719 }
1720
1721 /* compute buffer size max (should use a complete heuristic) */
1722 for(i=0;i<nb_input_files;i++) {
1723 file_table[i].buffer_size_max = 2048;
1724 }
1725
1726 /* set meta data information from input file if required */
1727 for (i=0;i<nb_meta_data_maps;i++) {
1728 AVFormatContext *out_file;
1729 AVFormatContext *in_file;
1730
1731 int out_file_index = meta_data_maps[i].out_file;
1732 int in_file_index = meta_data_maps[i].in_file;
1733 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1734 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1735 ret = -EINVAL;
1736 goto fail;
1737 }
1738 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1739 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1740 ret = -EINVAL;
1741 goto fail;
1742 }
1743
1744 out_file = output_files[out_file_index];
1745 in_file = input_files[in_file_index];
1746
1747 strcpy(out_file->title, in_file->title);
1748 strcpy(out_file->author, in_file->author);
1749 strcpy(out_file->copyright, in_file->copyright);
1750 strcpy(out_file->comment, in_file->comment);
1751 strcpy(out_file->album, in_file->album);
1752 out_file->year = in_file->year;
1753 out_file->track = in_file->track;
1754 strcpy(out_file->genre, in_file->genre);
1755 }
1756
1757 /* open files and write file headers */
1758 for(i=0;i<nb_output_files;i++) {
1759 os = output_files[i];
1760 if (av_write_header(os) < 0) {
1761 fprintf(stderr, "Could not write header for output file #%d (incorrect codec paramters ?)\n", i);
1762 ret = -EINVAL;
1763 goto fail;
1764 }
1765 }
1766
1767 #ifndef CONFIG_WIN32
1768 if ( !using_stdin && verbose >= 0) {
1769 fprintf(stderr, "Press [q] to stop encoding\n");
1770 url_set_interrupt_cb(decode_interrupt_cb);
1771 }
1772 #endif
1773 term_init();
1774
1775 stream_no_data = 0;
1776 key = -1;
1777
1778 for(; received_sigterm == 0;) {
1779 int file_index, ist_index;
1780 AVPacket pkt;
1781 double ipts_min;
1782 double opts_min;
1783
1784 redo:
1785 ipts_min= 1e100;
1786 opts_min= 1e100;
1787 /* if 'q' pressed, exits */
1788 if (!using_stdin) {
1789 if (q_pressed)
1790 break;
1791 /* read_key() returns 0 on EOF */
1792 key = read_key();
1793 if (key == 'q')
1794 break;
1795 }
1796
1797 /* select the stream that we must read now by looking at the
1798 smallest output pts */
1799 file_index = -1;
1800 for(i=0;i<nb_ostreams;i++) {
1801 double ipts, opts;
1802 ost = ost_table[i];
1803 os = output_files[ost->file_index];
1804 ist = ist_table[ost->source_index];
1805 if(ost->st->codec.codec_type == CODEC_TYPE_VIDEO)
1806 opts = (double)ost->sync_opts * ost->st->codec.frame_rate_base / ost->st->codec.frame_rate;
1807 else
1808 opts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1809 ipts = (double)ist->pts;
1810 if (!file_table[ist->file_index].eof_reached){
1811 if(ipts < ipts_min) {
1812 ipts_min = ipts;
1813 if(input_sync ) file_index = ist->file_index;
1814 }
1815 if(opts < opts_min) {
1816 opts_min = opts;
1817 if(!input_sync) file_index = ist->file_index;
1818 }
1819 }
1820 }
1821 /* if none, if is finished */
1822 if (file_index < 0) {
1823 break;
1824 }
1825
1826 /* finish if recording time exhausted */
1827 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1828 break;
1829
1830 /* read a frame from it and output it in the fifo */
1831 is = input_files[file_index];
1832 if (av_read_frame(is, &pkt) < 0) {
1833 file_table[file_index].eof_reached = 1;
1834 continue;
1835 }
1836
1837 if (!pkt.size) {
1838 stream_no_data = is;
1839 } else {
1840 stream_no_data = 0;
1841 }
1842 if (do_pkt_dump) {
1843 av_pkt_dump(stdout, &pkt, do_hex_dump);
1844 }
1845 /* the following test is needed in case new streams appear
1846 dynamically in stream : we ignore them */
1847 if (pkt.stream_index >= file_table[file_index].nb_streams)
1848 goto discard_packet;
1849 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1850 ist = ist_table[ist_index];
1851 if (ist->discard)
1852 goto discard_packet;
1853
1854 // 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);
1855 if (pkt.dts != AV_NOPTS_VALUE) {
1856 int64_t delta= pkt.dts - ist->next_pts;
1857 if(ABS(delta) > 10LL*AV_TIME_BASE && !copy_ts){
1858 input_files_ts_offset[ist->file_index]-= delta;
1859 if (verbose > 2)
1860 fprintf(stderr, "timestamp discontinuity %lld, new offset= %lld\n", delta, input_files_ts_offset[ist->file_index]);
1861 for(i=0; i<file_table[file_index].nb_streams; i++){
1862 int index= file_table[file_index].ist_index + i;
1863 ist_table[index]->next_pts += delta;
1864 ist_table[index]->is_start=1;
1865 }
1866 }
1867 }
1868
1869 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1870 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1871
1872 if (verbose >= 0)
1873 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1874 ist->file_index, ist->index);
1875
1876 av_free_packet(&pkt);
1877 goto redo;
1878 }
1879
1880 discard_packet:
1881 av_free_packet(&pkt);
1882
1883 /* dump report by using the output first video and audio streams */
1884 print_report(output_files, ost_table, nb_ostreams, 0);
1885 }
1886
1887 /* at the end of stream, we must flush the decoder buffers */
1888 for(i=0;i<nb_istreams;i++) {
1889 ist = ist_table[i];
1890 if (ist->decoding_needed) {
1891 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1892 }
1893 }
1894
1895 term_exit();
1896
1897 /* write the trailer if needed and close file */
1898 for(i=0;i<nb_output_files;i++) {
1899 os = output_files[i];
1900 av_write_trailer(os);
1901 }
1902
1903 /* dump report by using the first video and audio streams */
1904 print_report(output_files, ost_table, nb_ostreams, 1);
1905
1906 /* close each encoder */
1907 for(i=0;i<nb_ostreams;i++) {
1908 ost = ost_table[i];
1909 if (ost->encoding_needed) {
1910 av_freep(&ost->st->codec.stats_in);
1911 avcodec_close(&ost->st->codec);
1912 }
1913 }
1914
1915 /* close each decoder */
1916 for(i=0;i<nb_istreams;i++) {
1917 ist = ist_table[i];
1918 if (ist->decoding_needed) {
1919 avcodec_close(&ist->st->codec);
1920 }
1921 }
1922
1923 /* finished ! */
1924
1925 ret = 0;
1926 fail1:
1927 av_free(file_table);
1928
1929 if (ist_table) {
1930 for(i=0;i<nb_istreams;i++) {
1931 ist = ist_table[i];
1932 av_free(ist);
1933 }
1934 av_free(ist_table);
1935 }
1936 if (ost_table) {
1937 for(i=0;i<nb_ostreams;i++) {
1938 ost = ost_table[i];
1939 if (ost) {
1940 if (ost->logfile) {
1941 fclose(ost->logfile);
1942 ost->logfile = NULL;
1943 }
1944 fifo_free(&ost->fifo); /* works even if fifo is not
1945 initialized but set to zero */
1946 av_free(ost->pict_tmp.data[0]);
1947 if (ost->video_resample)
1948 img_resample_close(ost->img_resample_ctx);
1949 if (ost->audio_resample)
1950 audio_resample_close(ost->resample);
1951 av_free(ost);
1952 }
1953 }
1954 av_free(ost_table);
1955 }
1956 return ret;
1957 fail:
1958 ret = -ENOMEM;
1959 goto fail1;
1960 }
1961
1962 #if 0
1963 int file_read(const char *filename)
1964 {
1965 URLContext *h;
1966 unsigned char buffer[1024];
1967 int len, i;
1968
1969 if (url_open(&h, filename, O_RDONLY) < 0) {
1970 printf("could not open '%s'\n", filename);
1971 return -1;
1972 }
1973 for(;;) {
1974 len = url_read(h, buffer, sizeof(buffer));
1975 if (len <= 0)
1976 break;
1977 for(i=0;i<len;i++) putchar(buffer[i]);
1978 }
1979 url_close(h);
1980 return 0;
1981 }
1982 #endif
1983
1984 static void opt_image_format(const char *arg)
1985 {
1986 AVImageFormat *f;
1987
1988 for(f = first_image_format; f != NULL; f = f->next) {
1989 if (!strcmp(arg, f->name))
1990 break;
1991 }
1992 if (!f) {
1993 fprintf(stderr, "Unknown image format: '%s'\n", arg);
1994 exit(1);
1995 }
1996 image_format = f;
1997 }
1998
1999 static void opt_format(const char *arg)
2000 {
2001 /* compatibility stuff for pgmyuv */
2002 if (!strcmp(arg, "pgmyuv")) {
2003 opt_image_format(arg);
2004 arg = "image";
2005 }
2006
2007 file_iformat = av_find_input_format(arg);
2008 file_oformat = guess_format(arg, NULL, NULL);
2009 if (!file_iformat && !file_oformat) {
2010 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2011 exit(1);
2012 }
2013 }
2014
2015 static void opt_video_bitrate(const char *arg)
2016 {
2017 video_bit_rate = atoi(arg) * 1000;
2018 }
2019
2020 static void opt_video_bitrate_tolerance(const char *arg)
2021 {
2022 video_bit_rate_tolerance = atoi(arg) * 1000;
2023 }
2024
2025 static void opt_video_bitrate_max(const char *arg)
2026 {
2027 video_rc_max_rate = atoi(arg) * 1000;
2028 }
2029
2030 static void opt_video_bitrate_min(const char *arg)
2031 {
2032 video_rc_min_rate = atoi(arg) * 1000;
2033 }
2034
2035 static void opt_video_buffer_size(const char *arg)
2036 {
2037 video_rc_buffer_size = atoi(arg) * 8*1024;
2038 }
2039
2040 static void opt_video_rc_eq(char *arg)
2041 {
2042 video_rc_eq = arg;
2043 }
2044
2045 static void opt_video_rc_override_string(char *arg)
2046 {
2047 video_rc_override_string = arg;
2048 }
2049
2050
2051 static void opt_workaround_bugs(const char *arg)
2052 {
2053 workaround_bugs = atoi(arg);
2054 }
2055
2056 static void opt_dct_algo(const char *arg)
2057 {
2058 dct_algo = atoi(arg);
2059 }
2060
2061 static void opt_idct_algo(const char *arg)
2062 {
2063 idct_algo = atoi(arg);
2064 }
2065
2066 static void opt_me_threshold(const char *arg)
2067 {
2068 me_threshold = atoi(arg);
2069 }
2070
2071 static void opt_mb_threshold(const char *arg)
2072 {
2073 mb_threshold = atoi(arg);
2074 }
2075
2076 static void opt_error_resilience(const char *arg)
2077 {
2078 error_resilience = atoi(arg);
2079 }
2080
2081 static void opt_error_concealment(const char *arg)
2082 {
2083 error_concealment = atoi(arg);
2084 }
2085
2086 static void opt_debug(const char *arg)
2087 {
2088 debug = atoi(arg);
2089 }
2090
2091 static void opt_vismv(const char *arg)
2092 {
2093 debug_mv = atoi(arg);
2094 }
2095
2096 static void opt_verbose(const char *arg)
2097 {
2098 verbose = atoi(arg);
2099 av_log_set_level(atoi(arg));
2100 }
2101
2102 static void opt_frame_rate(const char *arg)
2103 {
2104 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2105 fprintf(stderr, "Incorrect frame rate\n");
2106 exit(1);
2107 }
2108 }
2109
2110 static void opt_frame_crop_top(const char *arg)
2111 {
2112 frame_topBand = atoi(arg);
2113 if (frame_topBand < 0) {
2114 fprintf(stderr, "Incorrect top crop size\n");
2115 exit(1);
2116 }
2117 if ((frame_topBand % 2) != 0) {
2118 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2119 exit(1);
2120 }
2121 if ((frame_topBand) >= frame_height){
2122 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2123 exit(1);
2124 }
2125 frame_height -= frame_topBand;
2126 }
2127
2128 static void opt_frame_crop_bottom(const char *arg)
2129 {
2130 frame_bottomBand = atoi(arg);
2131 if (frame_bottomBand < 0) {
2132 fprintf(stderr, "Incorrect bottom crop size\n");
2133 exit(1);
2134 }
2135 if ((frame_bottomBand % 2) != 0) {
2136 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2137 exit(1);
2138 }
2139 if ((frame_bottomBand) >= frame_height){
2140 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2141 exit(1);
2142 }
2143 frame_height -= frame_bottomBand;
2144 }
2145
2146 static void opt_frame_crop_left(const char *arg)
2147 {
2148 frame_leftBand = atoi(arg);
2149 if (frame_leftBand < 0) {
2150 fprintf(stderr, "Incorrect left crop size\n");
2151 exit(1);
2152 }
2153 if ((frame_leftBand % 2) != 0) {
2154 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2155 exit(1);
2156 }
2157 if ((frame_leftBand) >= frame_width){
2158 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2159 exit(1);
2160 }
2161 frame_width -= frame_leftBand;
2162 }
2163
2164 static void opt_frame_crop_right(const char *arg)
2165 {
2166 frame_rightBand = atoi(arg);
2167 if (frame_rightBand < 0) {
2168 fprintf(stderr, "Incorrect right crop size\n");
2169 exit(1);
2170 }
2171 if ((frame_rightBand % 2) != 0) {
2172 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2173 exit(1);
2174 }
2175 if ((frame_rightBand) >= frame_width){
2176 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2177 exit(1);
2178 }
2179 frame_width -= frame_rightBand;
2180 }
2181
2182 static void opt_frame_size(const char *arg)
2183 {
2184 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2185 fprintf(stderr, "Incorrect frame size\n");
2186 exit(1);
2187 }
2188 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2189 fprintf(stderr, "Frame size must be a multiple of 2\n");
2190 exit(1);
2191 }
2192 }
2193
2194
2195 #define SCALEBITS 10
2196 #define ONE_HALF (1 << (SCALEBITS - 1))
2197 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2198
2199 #define RGB_TO_Y(r, g, b) \
2200 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2201 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2202
2203 #define RGB_TO_U(r1, g1, b1, shift)\
2204 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2205 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2206
2207 #define RGB_TO_V(r1, g1, b1, shift)\
2208 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2209 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2210
2211 static void opt_pad_color(const char *arg) {
2212 /* Input is expected to be six hex digits similar to
2213 how colors are expressed in html tags (but without the #) */
2214 int rgb = strtol(arg, NULL, 16);
2215 int r,g,b;
2216
2217 r = (rgb >> 16);
2218 g = ((rgb >> 8) & 255);
2219 b = (rgb & 255);
2220
2221 padcolor[0] = RGB_TO_Y(r,g,b);
2222 padcolor[1] = RGB_TO_U(r,g,b,0);
2223 padcolor[2] = RGB_TO_V(r,g,b,0);
2224 }
2225
2226 static void opt_frame_pad_top(const char *arg)
2227 {
2228 frame_padtop = atoi(arg);
2229 if (frame_padtop < 0) {
2230 fprintf(stderr, "Incorrect top pad size\n");
2231 exit(1);
2232 }
2233 if ((frame_padtop % 2) != 0) {
2234 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2235 exit(1);
2236 }
2237 }
2238
2239 static void opt_frame_pad_bottom(const char *arg)
2240 {
2241 frame_padbottom = atoi(arg);
2242 if (frame_padbottom < 0) {
2243 fprintf(stderr, "Incorrect bottom pad size\n");
2244 exit(1);
2245 }
2246 if ((frame_padbottom % 2) != 0) {
2247 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2248 exit(1);
2249 }
2250 }
2251
2252
2253 static void opt_frame_pad_left(const char *arg)
2254 {
2255 frame_padleft = atoi(arg);
2256 if (frame_padleft < 0) {
2257 fprintf(stderr, "Incorrect left pad size\n");
2258 exit(1);
2259 }
2260 if ((frame_padleft % 2) != 0) {
2261 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2262 exit(1);
2263 }
2264 }
2265
2266
2267 static void opt_frame_pad_right(const char *arg)
2268 {
2269 frame_padright = atoi(arg);
2270 if (frame_padright < 0) {
2271 fprintf(stderr, "Incorrect right pad size\n");
2272 exit(1);
2273 }
2274 if ((frame_padright % 2) != 0) {
2275 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2276 exit(1);
2277 }
2278 }
2279
2280
2281 static void opt_frame_pix_fmt(const char *arg)
2282 {
2283 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2284 }
2285
2286 static void opt_frame_aspect_ratio(const char *arg)
2287 {
2288 int x = 0, y = 0;
2289 double ar = 0;
2290 const char *p;
2291
2292 p = strchr(arg, ':');
2293 if (p) {
2294 x = strtol(arg, (char **)&arg, 10);
2295 if (arg == p)
2296 y = strtol(arg+1, (char **)&arg, 10);
2297 if (x > 0 && y > 0)
2298 ar = (double)x / (double)y;
2299 } else
2300 ar = strtod(arg, (char **)&arg);
2301
2302 if (!ar) {
2303 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2304 exit(1);
2305 }
2306 frame_aspect_ratio = ar;
2307 }
2308
2309 static void opt_gop_size(const char *arg)
2310 {
2311 gop_size = atoi(arg);
2312 }
2313
2314 static void opt_b_frames(const char *arg)
2315 {
2316 b_frames = atoi(arg);
2317 if (b_frames > FF_MAX_B_FRAMES) {
2318 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
2319 exit(1);
2320 } else if (b_frames < 1) {
2321 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
2322 exit(1);
2323 }
2324 }
2325
2326 static void opt_mb_decision(const char *arg)
2327 {
2328 mb_decision = atoi(arg);
2329 }
2330
2331 static void opt_mb_cmp(const char *arg)
2332 {
2333 mb_cmp = atoi(arg);
2334 }
2335
2336 static void opt_ildct_cmp(const char *arg)
2337 {
2338 ildct_cmp = atoi(arg);
2339 }
2340
2341 static void opt_sub_cmp(const char *arg)
2342 {
2343 sub_cmp = atoi(arg);
2344 }
2345
2346 static void opt_cmp(const char *arg)
2347 {
2348 cmp = atoi(arg);
2349 }
2350
2351 static void opt_pre_cmp(const char *arg)
2352 {
2353 pre_cmp = atoi(arg);
2354 }
2355
2356 static void opt_pre_me(const char *arg)
2357 {
2358 pre_me = atoi(arg);
2359 }
2360
2361 static void opt_lumi_mask(const char *arg)
2362 {
2363 lumi_mask = atof(arg);
2364 }
2365
2366 static void opt_dark_mask(const char *arg)
2367 {
2368 dark_mask = atof(arg);
2369 }
2370
2371 static void opt_scplx_mask(const char *arg)
2372 {
2373 scplx_mask = atof(arg);
2374 }
2375
2376 static void opt_tcplx_mask(const char *arg)
2377 {
2378 tcplx_mask = atof(arg);
2379 }
2380
2381 static void opt_p_mask(const char *arg)
2382 {
2383 p_mask = atof(arg);
2384 }
2385
2386 static void opt_qscale(const char *arg)
2387 {
2388 video_qscale = atof(arg);
2389 if (video_qscale < 0.01 ||
2390 video_qscale > 255) {
2391 fprintf(stderr, "qscale must be >= 0.01 and <= 255\n");
2392 exit(1);
2393 }
2394 }
2395
2396 static void opt_lmax(const char *arg)
2397 {
2398 video_lmax = atof(arg)*FF_QP2LAMBDA;
2399 }
2400
2401 static void opt_lmin(const char *arg)
2402 {
2403 video_lmin = atof(arg)*FF_QP2LAMBDA;
2404 }
2405
2406 static void opt_qmin(const char *arg)
2407 {
2408 video_qmin = atoi(arg);
2409 if (video_qmin < 0 ||
2410 video_qmin > 31) {
2411 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
2412 exit(1);
2413 }
2414 }
2415
2416 static void opt_qmax(const char *arg)
2417 {
2418 video_qmax = atoi(arg);
2419 if (video_qmax < 0 ||
2420 video_qmax > 31) {
2421 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
2422 exit(1);
2423 }
2424 }
2425
2426 static void opt_mb_qmin(const char *arg)
2427 {
2428 video_mb_qmin = atoi(arg);
2429 if (video_mb_qmin < 0 ||
2430 video_mb_qmin > 31) {
2431 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
2432 exit(1);
2433 }
2434 }
2435
2436 static void opt_mb_qmax(const char *arg)
2437 {
2438 video_mb_qmax = atoi(arg);
2439 if (video_mb_qmax < 0 ||
2440 video_mb_qmax > 31) {
2441 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
2442 exit(1);
2443 }
2444 }
2445
2446 static void opt_qdiff(const char *arg)
2447 {
2448 video_qdiff = atoi(arg);
2449 if (video_qdiff < 0 ||
2450 video_qdiff > 31) {
2451 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2452 exit(1);
2453 }
2454 }
2455
2456 static void opt_qblur(const char *arg)
2457 {
2458 video_qblur = atof(arg);
2459 }
2460
2461 static void opt_qcomp(const char *arg)
2462 {
2463 video_qcomp = atof(arg);
2464 }
2465
2466 static void opt_rc_initial_cplx(const char *arg)
2467 {
2468 video_rc_initial_cplx = atof(arg);
2469 }
2470 static void opt_b_qfactor(const char *arg)
2471 {
2472 video_b_qfactor = atof(arg);
2473 }
2474 static void opt_i_qfactor(const char *arg)
2475 {
2476 video_i_qfactor = atof(arg);
2477 }
2478 static void opt_b_qoffset(const char *arg)
2479 {
2480 video_b_qoffset = atof(arg);
2481 }
2482 static void opt_i_qoffset(const char *arg)
2483 {
2484 video_i_qoffset = atof(arg);
2485 }
2486
2487 static void opt_ibias(const char *arg)
2488 {
2489 video_intra_quant_bias = atoi(arg);
2490 }
2491 static void opt_pbias(const char *arg)
2492 {
2493 video_inter_quant_bias = atoi(arg);
2494 }
2495
2496 static void opt_packet_size(const char *arg)
2497 {
2498 packet_size= atoi(arg);
2499 }
2500
2501 static void opt_error_rate(const char *arg)
2502 {
2503 error_rate= atoi(arg);
2504 }
2505
2506 static void opt_strict(const char *arg)
2507 {
2508 strict= atoi(arg);
2509 }
2510
2511 static void opt_top_field_first(const char *arg)
2512 {
2513 top_field_first= atoi(arg);
2514 }
2515
2516 static void opt_noise_reduction(const char *arg)
2517 {
2518 noise_reduction= atoi(arg);
2519 }
2520
2521 static void opt_qns(const char *arg)
2522 {
2523 qns= atoi(arg);
2524 }
2525
2526 static void opt_sc_threshold(const char *arg)
2527 {
2528 sc_threshold= atoi(arg);
2529 }
2530
2531 static void opt_me_range(const char *arg)
2532 {
2533 me_range = atoi(arg);
2534 }
2535
2536 static void opt_thread_count(const char *arg)
2537 {
2538 thread_count= atoi(arg);
2539 #if !defined(HAVE_PTHREADS) && !defined(HAVE_W32THREADS)
2540 if (verbose >= 0)
2541 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2542 #endif
2543 }
2544
2545 static void opt_audio_bitrate(const char *arg)
2546 {
2547 audio_bit_rate = atoi(arg) * 1000;
2548 }
2549
2550 static void opt_audio_rate(const char *arg)
2551 {
2552 audio_sample_rate = atoi(arg);
2553 }
2554
2555 static void opt_audio_channels(const char *arg)
2556 {
2557 audio_channels = atoi(arg);
2558 }
2559
2560 static void opt_video_device(const char *arg)
2561 {
2562 video_device = av_strdup(arg);
2563 }
2564
2565 static void opt_video_channel(const char *arg)
2566 {
2567 video_channel = strtol(arg, NULL, 0);
2568 }
2569
2570 static void opt_video_standard(const char *arg)
2571 {
2572 video_standard = av_strdup(arg);
2573 }
2574
2575 static void opt_audio_device(const char *arg)
2576 {
2577 audio_device = av_strdup(arg);
2578 }
2579
2580 static void opt_dv1394(const char *arg)
2581 {
2582 video_grab_format = "dv1394";
2583 audio_grab_format = NULL;
2584 }
2585
2586 static void opt_audio_codec(const char *arg)
2587 {
2588 AVCodec *p;
2589
2590 if (!strcmp(arg, "copy")) {
2591 audio_stream_copy = 1;
2592 } else {
2593 p = first_avcodec;
2594 while (p) {
2595 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
2596 break;
2597 p = p->next;
2598 }
2599 if (p == NULL) {
2600 fprintf(stderr, "Unknown audio codec '%s'\n", arg);
2601 exit(1);
2602 } else {
2603 audio_codec_id = p->id;
2604 }
2605 }
2606 }
2607
2608 static void add_frame_hooker(const char *arg)
2609 {
2610 int argc = 0;
2611 char *argv[64];
2612 int i;
2613 char *args = av_strdup(arg);
2614
2615 using_vhook = 1;
2616
2617 argv[0] = strtok(args, " ");
2618 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2619 }
2620
2621 i = frame_hook_add(argc, argv);
2622
2623 if (i != 0) {
2624 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2625 exit(1);
2626 }
2627 }
2628
2629 const char *motion_str[] = {
2630 "zero",
2631 "full",
2632 "log",
2633 "phods",
2634 "epzs",
2635 "x1",
2636 NULL,
2637 };
2638
2639 static void opt_motion_estimation(const char *arg)
2640 {
2641 const char **p;
2642 p = motion_str;
2643 for(;;) {
2644 if (!*p) {
2645 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2646 exit(1);
2647 }
2648 if (!strcmp(*p, arg))
2649 break;
2650 p++;
2651 }
2652 me_method = (p - motion_str) + 1;
2653 }
2654
2655 static void opt_video_codec(const char *arg)
2656 {
2657 AVCodec *p;
2658
2659 if (!strcmp(arg, "copy")) {
2660 video_stream_copy = 1;
2661 } else {
2662 p = first_avcodec;
2663 while (p) {
2664 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
2665 break;
2666 p = p->next;
2667 }
2668 if (p == NULL) {
2669 fprintf(stderr, "Unknown video codec '%s'\n", arg);
2670 exit(1);
2671 } else {
2672 video_codec_id = p->id;
2673 }
2674 }
2675 }
2676
2677 static void opt_map(const char *arg)
2678 {
2679 AVStreamMap *m;
2680 const char *p;
2681
2682 p = arg;
2683 m = &stream_maps[nb_stream_maps++];
2684
2685 m->file_index = strtol(arg, (char **)&p, 0);
2686 if (*p)
2687 p++;
2688
2689 m->stream_index = strtol(p, (char **)&p, 0);
2690 }
2691
2692 static void opt_map_meta_data(const char *arg)
2693 {
2694 AVMetaDataMap *m;
2695 const char *p;
2696
2697 p = arg;
2698 m = &meta_data_maps[nb_meta_data_maps++];
2699
2700 m->out_file = strtol(arg, (char **)&p, 0);
2701 if (*p)
2702 p++;
2703
2704 m->in_file = strtol(p, (char **)&p, 0);
2705 }
2706
2707 static void opt_recording_time(const char *arg)
2708 {
2709 recording_time = parse_date(arg, 1);
2710 }
2711
2712 static void opt_start_time(const char *arg)
2713 {
2714 start_time = parse_date(arg, 1);
2715 }
2716
2717 static void opt_rec_timestamp(const char *arg)
2718 {
2719 rec_timestamp = parse_date(arg, 0) / 1000000;
2720 }
2721
2722 static void opt_input_ts_offset(const char *arg)
2723 {
2724 input_ts_offset = parse_date(arg, 1);
2725 }
2726
2727 static void opt_input_file(const char *filename)
2728 {
2729 AVFormatContext *ic;
2730 AVFormatParameters params, *ap = &params;
2731 int err, i, ret, rfps, rfps_base;
2732
2733 if (!strcmp(filename, "-"))
2734 filename = "pipe:";
2735
2736 using_stdin |= !strcmp(filename, "pipe:" ) ||
2737 !strcmp( filename, "/dev/stdin" );
2738
2739 /* get default parameters from command line */
2740 memset(ap, 0, sizeof(*ap));
2741 ap->sample_rate = audio_sample_rate;
2742 ap->channels = audio_channels;
2743 ap->frame_rate = frame_rate;
2744 ap->frame_rate_base = frame_rate_base;
2745 ap->width = frame_width + frame_padleft + frame_padright;
2746 ap->height = frame_height + frame_padtop + frame_padbottom;
2747 ap->image_format = image_format;
2748 ap->pix_fmt = frame_pix_fmt;
2749
2750 /* open the input file with generic libav function */
2751 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2752 if (err < 0) {
2753 print_error(filename, err);
2754 exit(1);
2755 }
2756
2757 /* If not enough info to get the stream parameters, we decode the
2758 first frames to get it. (used in mpeg case for example) */
2759 ret = av_find_stream_info(ic);
2760 if (ret < 0 && verbose >= 0) {
2761 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2762 exit(1);
2763 }
2764
2765 /* if seeking requested, we execute it */
2766 if (start_time != 0) {
2767 int64_t timestamp;
2768
2769 timestamp = start_time;
2770 /* add the stream start time */
2771 if (ic->start_time != AV_NOPTS_VALUE)
2772 timestamp += ic->start_time;
2773 ret = av_seek_frame(ic, -1, timestamp);
2774 if (ret < 0) {
2775 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2776 filename, (double)timestamp / AV_TIME_BASE);
2777 }
2778 /* reset seek info */
2779 start_time = 0;
2780 }
2781
2782 /* update the current parameters so that they match the one of the input stream */
2783 for(i=0;i<ic->nb_streams;i++) {
2784 AVCodecContext *enc = &ic->streams[i]->codec;
2785 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
2786 if(thread_count>1)
2787 avcodec_thread_init(enc, thread_count);
2788 #endif
2789 enc->thread_count= thread_count;
2790 switch(enc->codec_type) {
2791 case CODEC_TYPE_AUDIO:
2792 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2793 audio_channels = enc->channels;
2794 audio_sample_rate = enc->sample_rate;
2795 break;
2796 case CODEC_TYPE_VIDEO:
2797 frame_height = enc->height;
2798 frame_width = enc->width;
2799 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2800 frame_pix_fmt = enc->pix_fmt;
2801 rfps = ic->streams[i]->r_frame_rate;
2802 rfps_base = ic->streams[i]->r_frame_rate_base;
2803 enc->workaround_bugs = workaround_bugs;
2804 enc->error_resilience = error_resilience;
2805 enc->error_concealment = error_concealment;
2806 enc->idct_algo = idct_algo;
2807 enc->debug = debug;
2808 enc->debug_mv = debug_mv;
2809 if(bitexact)
2810 enc->flags|= CODEC_FLAG_BITEXACT;
2811 if(me_threshold)
2812 enc->debug |= FF_DEBUG_MV;
2813
2814 assert(enc->frame_rate_base == rfps_base); // should be true for now
2815 if (enc->frame_rate != rfps) {
2816
2817 if (verbose >= 0)
2818 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n",
2819 i, (float)enc->frame_rate / enc->frame_rate_base,
2820
2821 (float)rfps / rfps_base);
2822 }
2823 /* update the current frame rate to match the stream frame rate */
2824 frame_rate = rfps;
2825 frame_rate_base = rfps_base;
2826
2827 enc->rate_emu = rate_emu;
2828 break;
2829 case CODEC_TYPE_DATA:
2830 break;
2831 default:
2832 av_abort();
2833 }
2834 }
2835
2836 input_files[nb_input_files] = ic;
2837 input_files_ts_offset[nb_input_files] = input_ts_offset;
2838 /* dump the file content */
2839 if (verbose >= 0)
2840 dump_format(ic, nb_input_files, filename, 0);
2841
2842 nb_input_files++;
2843 file_iformat = NULL;
2844 file_oformat = NULL;
2845 image_format = NULL;
2846
2847 rate_emu = 0;
2848 }
2849
2850 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2851 {
2852 int has_video, has_audio, i, j;
2853 AVFormatContext *ic;
2854
2855 has_video = 0;
2856 has_audio = 0;
2857 for(j=0;j<nb_input_files;j++) {
2858 ic = input_files[j];
2859 for(i=0;i<ic->nb_streams;i++) {
2860 AVCodecContext *enc = &ic->streams[i]->codec;
2861 switch(enc->codec_type) {
2862 case CODEC_TYPE_AUDIO:
2863 has_audio = 1;
2864 break;
2865 case CODEC_TYPE_VIDEO:
2866 has_video = 1;
2867 break;
2868 case CODEC_TYPE_DATA:
2869 break;
2870 default:
2871 av_abort();
2872 }
2873 }
2874 }
2875 *has_video_ptr = has_video;
2876 *has_audio_ptr = has_audio;
2877 }
2878
2879 static void opt_output_file(const char *filename)
2880 {
2881 AVStream *st;
2882 AVFormatContext *oc;
2883 int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
2884 int codec_id;
2885 AVFormatParameters params, *ap = &params;
2886
2887 if (!strcmp(filename, "-"))
2888 filename = "pipe:";
2889
2890 oc = av_alloc_format_context();
2891
2892 if (!file_oformat) {
2893 file_oformat = guess_format(NULL, filename, NULL);
2894 if (!file_oformat) {
2895 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
2896 filename);
2897 exit(1);
2898 }
2899 }
2900
2901 oc->oformat = file_oformat;
2902
2903 if (!strcmp(file_oformat->name, "ffm") &&
2904 strstart(filename, "http:", NULL)) {
2905 /* special case for files sent to ffserver: we get the stream
2906 parameters from ffserver */
2907 if (read_ffserver_streams(oc, filename) < 0) {
2908 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
2909 exit(1);
2910 }
2911 } else {
2912 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy;
2913 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy;
2914
2915 /* disable if no corresponding type found and at least one
2916 input file */
2917 if (nb_input_files > 0) {
2918 check_audio_video_inputs(&input_has_video, &input_has_audio);
2919 if (!input_has_video)
2920 use_video = 0;
2921 if (!input_has_audio)
2922 use_audio = 0;
2923 }
2924
2925 /* manual disable */
2926 if (audio_disable) {
2927 use_audio = 0;
2928 }
2929 if (video_disable) {
2930 use_video = 0;
2931 }
2932
2933 nb_streams = 0;
2934 if (use_video) {
2935 AVCodecContext *video_enc;
2936
2937 st = av_new_stream(oc, nb_streams++);
2938 if (!st) {
2939 fprintf(stderr, "Could not alloc stream\n");
2940 exit(1);
2941 }
2942 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
2943 if(thread_count>1)
2944 avcodec_thread_init(&st->codec, thread_count);
2945 #endif
2946
2947 video_enc = &st->codec;
2948
2949 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
2950 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2951 if (video_stream_copy) {
2952 st->stream_copy = 1;
2953 video_enc->codec_type = CODEC_TYPE_VIDEO;
2954 } else {
2955 char *p;
2956 int i;
2957 AVCodec *codec;
2958
2959 codec_id = file_oformat->video_codec;
2960 if (video_codec_id != CODEC_ID_NONE)
2961 codec_id = video_codec_id;
2962
2963 video_enc->codec_id = codec_id;
2964 codec = avcodec_find_encoder(codec_id);
2965
2966 video_enc->bit_rate = video_bit_rate;
2967 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
2968 video_enc->frame_rate = frame_rate;
2969 video_enc->frame_rate_base = frame_rate_base;
2970 if(codec && codec->supported_framerates){
2971 const AVRational *p= codec->supported_framerates;
2972 AVRational req= (AVRational){frame_rate, frame_rate_base};
2973 const AVRational *best=NULL;
2974 AVRational best_error= (AVRational){INT_MAX, 1};
2975 for(; p->den!=0; p++){
2976 AVRational error= av_sub_q(req, *p);
2977 if(error.num <0) error.num *= -1;
2978 if(av_cmp_q(error, best_error) < 0){
2979 best_error= error;
2980 best= p;
2981 }
2982 }
2983 video_enc->frame_rate = best->num;
2984 video_enc->frame_rate_base= best->den;
2985 }
2986
2987 video_enc->width = frame_width + frame_padright + frame_padleft;
2988 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2989 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
2990 video_enc->pix_fmt = frame_pix_fmt;
2991
2992 if(codec && codec->pix_fmts){
2993 const enum PixelFormat *p= codec->pix_fmts;
2994 for(; *p!=-1; p++){
2995 if(*p == video_enc->pix_fmt)
2996 break;
2997 }
2998 if(*p == -1)
2999 video_enc->pix_fmt = codec->pix_fmts[0];
3000 }
3001
3002 if (!intra_only)
3003 video_enc->gop_size = gop_size;
3004 else
3005 video_enc->gop_size = 0;
3006 if (video_qscale || same_quality) {
3007 video_enc->flags |= CODEC_FLAG_QSCALE;
3008 st->quality = FF_QP2LAMBDA * video_qscale;
3009 }
3010
3011 if(intra_matrix)
3012 video_enc->intra_matrix = intra_matrix;
3013 if(inter_matrix)
3014 video_enc->inter_matrix = inter_matrix;
3015
3016 if(bitexact)
3017 video_enc->flags |= CODEC_FLAG_BITEXACT;
3018
3019 video_enc->mb_decision = mb_decision;
3020 video_enc->mb_cmp = mb_cmp;
3021 video_enc->ildct_cmp = ildct_cmp;
3022 video_enc->me_sub_cmp = sub_cmp;
3023 video_enc->me_cmp = cmp;
3024 video_enc->me_pre_cmp = pre_cmp;
3025 video_enc->pre_me = pre_me;
3026 video_enc->lumi_masking = lumi_mask;
3027 video_enc->dark_masking = dark_mask;
3028 video_enc->spatial_cplx_masking = scplx_mask;
3029 video_enc->temporal_cplx_masking = tcplx_mask;
3030 video_enc->p_masking = p_mask;
3031 video_enc->quantizer_noise_shaping= qns;
3032
3033 if (use_umv) {
3034 video_enc->flags |= CODEC_FLAG_H263P_UMV;
3035 }
3036 if (use_ss) {
3037 video_enc->flags |= CODEC_FLAG_H263P_SLICE_STRUCT;
3038 }
3039 if (use_aic) {
3040 video_enc->flags |= CODEC_FLAG_H263P_AIC;
3041 }
3042 if (use_aiv) {
3043 video_enc->flags |= CODEC_FLAG_H263P_AIV;
3044 }
3045 if (use_4mv) {
3046 video_enc->flags |= CODEC_FLAG_4MV;
3047 }
3048 if (use_obmc) {
3049 video_enc->flags |= CODEC_FLAG_OBMC;
3050 }
3051 if (use_loop) {
3052 video_enc->flags |= CODEC_FLAG_LOOP_FILTER;
3053 }
3054
3055 if(use_part) {
3056 video_enc->flags |= CODEC_FLAG_PART;
3057 }
3058 if (use_alt_scan) {
3059 video_enc->flags |= CODEC_FLAG_ALT_SCAN;
3060 }
3061 if (use_trell) {
3062 video_enc->flags |= CODEC_FLAG_TRELLIS_QUANT;
3063 }
3064 if (use_scan_offset) {
3065 video_enc->flags |= CODEC_FLAG_SVCD_SCAN_OFFSET;
3066 }
3067 if (closed_gop) {
3068 video_enc->flags |= CODEC_FLAG_CLOSED_GOP;
3069 }
3070 if (use_qpel) {
3071 video_enc->flags |= CODEC_FLAG_QPEL;
3072 }
3073 if (use_qprd) {
3074 video_enc->flags |= CODEC_FLAG_QP_RD;
3075 }
3076 if (use_cbprd) {
3077 video_enc->flags |= CODEC_FLAG_CBP_RD;
3078 }
3079 if (b_frames) {
3080 video_enc->max_b_frames = b_frames;
3081 video_enc->b_frame_strategy = 0;
3082 video_enc->b_quant_factor = 2.0;
3083 }
3084 if (do_interlace_dct) {
3085 video_enc->flags |= CODEC_FLAG_INTERLACED_DCT;
3086 }
3087 if (do_interlace_me) {
3088 video_enc->flags |= CODEC_FLAG_INTERLACED_ME;
3089 }
3090 video_enc->qmin = video_qmin;
3091 video_enc->qmax = video_qmax;
3092 video_enc->lmin = video_lmin;
3093 video_enc->lmax = video_lmax;
3094 video_enc->mb_qmin = video_mb_qmin;
3095 video_enc->mb_qmax = video_mb_qmax;
3096 video_enc->max_qdiff = video_qdiff;
3097 video_enc->qblur = video_qblur;
3098 video_enc->qcompress = video_qcomp;
3099 video_enc->rc_eq = video_rc_eq;
3100 video_enc->debug = debug;
3101 video_enc->debug_mv = debug_mv;
3102 video_enc->thread_count = thread_count;
3103 p= video_rc_override_string;
3104 for(i=0; p; i++){
3105 int start, end, q;
3106 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3107 if(e!=3){
3108 fprintf(stderr, "error parsing rc_override\n");
3109 exit(1);
3110 }
3111 video_enc->rc_override=
3112 av_realloc(video_enc->rc_override,
3113 sizeof(RcOverride)*(i+1));
3114 video_enc->rc_override[i].start_frame= start;
3115 video_enc->rc_override[i].end_frame = end;
3116 if(q>0){
3117 video_enc->rc_override[i].qscale= q;
3118 video_enc->rc_override[i].quality_factor= 1.0;
3119 }
3120 else{
3121 video_enc->rc_override[i].qscale= 0;
3122 video_enc->rc_override[i].quality_factor= -q/100.0;
3123 }
3124 p= strchr(p, '/');
3125 if(p) p++;
3126 }
3127 video_enc->rc_override_count=i;
3128
3129 video_enc->rc_max_rate = video_rc_max_rate;
3130 video_enc->rc_min_rate = video_rc_min_rate;
3131 video_enc->rc_buffer_size = video_rc_buffer_size;
3132 video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
3133 video_enc->rc_initial_cplx= video_rc_initial_cplx;
3134 video_enc->i_quant_factor = video_i_qfactor;
3135 video_enc->b_quant_factor = video_b_qfactor;
3136 video_enc->i_quant_offset = video_i_qoffset;
3137 video_enc->b_quant_offset = video_b_qoffset;
3138 video_enc->intra_quant_bias = video_intra_quant_bias;
3139 video_enc->inter_quant_bias = video_inter_quant_bias;
3140 video_enc->dct_algo = dct_algo;
3141 video_enc->idct_algo = idct_algo;
3142 video_enc->me_threshold= me_threshold;
3143 video_enc->mb_threshold= mb_threshold;
3144 video_enc->intra_dc_precision= intra_dc_precision - 8;
3145 video_enc->strict_std_compliance = strict;
3146 video_enc->error_rate = error_rate;
3147 video_enc->noise_reduction= noise_reduction;
3148 video_enc->scenechange_threshold= sc_threshold;
3149 video_enc->me_range = me_range;
3150 video_enc->coder_type= coder;
3151 video_enc->context_model= context;
3152 video_enc->prediction_method= predictor;
3153
3154 if(packet_size){
3155 video_enc->rtp_mode= 1;
3156 video_enc->rtp_payload_size= packet_size;
3157 }
3158
3159 if (do_psnr)
3160 video_enc->flags|= CODEC_FLAG_PSNR;
3161
3162 video_enc->me_method = me_method;
3163
3164 /* two pass mode */
3165 if (do_pass) {
3166 if (do_pass == 1) {
3167 video_enc->flags |= CODEC_FLAG_PASS1;
3168 } else {
3169 video_enc->flags |= CODEC_FLAG_PASS2;
3170 }
3171 }
3172 }
3173 }
3174
3175 if (use_audio) {
3176 AVCodecContext *audio_enc;
3177
3178 st = av_new_stream(oc, nb_streams++);
3179 if (!st) {
3180 fprintf(stderr, "Could not alloc stream\n");
3181 exit(1);
3182 }
3183 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
3184 if(thread_count>1)
3185 avcodec_thread_init(&st->codec, thread_count);
3186 #endif
3187
3188 audio_enc = &st->codec;
3189 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3190
3191 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
3192 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3193 if (audio_stream_copy) {
3194 st->stream_copy = 1;
3195 audio_enc->channels = audio_channels;
3196 } else {
3197 codec_id = file_oformat->audio_codec;
3198 if (audio_codec_id != CODEC_ID_NONE)
3199 codec_id = audio_codec_id;
3200 audio_enc->codec_id = codec_id;
3201
3202 audio_enc->bit_rate = audio_bit_rate;
3203 audio_enc->strict_std_compliance = strict;
3204 audio_enc->thread_count = thread_count;
3205 /* For audio codecs other than AC3 or DTS we limit */
3206 /* the number of coded channels to stereo */
3207 if (audio_channels > 2 && codec_id != CODEC_ID_AC3
3208 && codec_id != CODEC_ID_DTS) {
3209 audio_enc->channels = 2;
3210 } else
3211 audio_enc->channels = audio_channels;
3212 }
3213 audio_enc->sample_rate = audio_sample_rate;
3214 }
3215
3216 oc->nb_streams = nb_streams;
3217
3218 if (!nb_streams) {
3219 fprintf(stderr, "No audio or video streams available\n");
3220 exit(1);
3221 }
3222
3223 oc->timestamp = rec_timestamp;
3224
3225 if (str_title)
3226 pstrcpy(oc->title, sizeof(oc->title), str_title);
3227 if (str_author)
3228 pstrcpy(oc->author, sizeof(oc->author), str_author);
3229 if (str_copyright)
3230 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
3231 if (str_comment)
3232 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
3233 }
3234
3235 output_files[nb_output_files++] = oc;
3236
3237 strcpy(oc->filename, filename);
3238
3239 /* check filename in case of an image number is expected */
3240 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3241 if (filename_number_test(oc->filename) < 0) {
3242 print_error(oc->filename, AVERROR_NUMEXPECTED);
3243 exit(1);
3244 }
3245 }
3246
3247 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3248 /* test if it already exists to avoid loosing precious files */
3249 if (!file_overwrite &&
3250 (strchr(filename, ':') == NULL ||
3251 strstart(filename, "file:", NULL))) {
3252 if (url_exist(filename)) {
3253 int c;
3254
3255 if ( !using_stdin ) {
3256 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3257 fflush(stderr);
3258 c = getchar();
3259 if (toupper(c) != 'Y') {
3260 fprintf(stderr, "Not overwriting - exiting\n");
3261 exit(1);
3262 }
3263 }
3264 else {
3265 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3266 exit(1);
3267 }
3268 }
3269 }
3270
3271 /* open the file */
3272 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3273 fprintf(stderr, "Could not open '%s'\n", filename);
3274 exit(1);
3275 }
3276 }
3277
3278 memset(ap, 0, sizeof(*ap));
3279 ap->image_format = image_format;
3280 if (av_set_parameters(oc, ap) < 0) {
3281 fprintf(stderr, "%s: Invalid encoding parameters\n",
3282 oc->filename);
3283 exit(1);
3284 }
3285
3286 /* reset some options */
3287 file_oformat = NULL;
3288 file_iformat = NULL;
3289 image_format = NULL;
3290 audio_disable = 0;
3291 video_disable = 0;
3292 audio_codec_id = CODEC_ID_NONE;
3293 video_codec_id = CODEC_ID_NONE;
3294 audio_stream_copy = 0;
3295 video_stream_copy = 0;
3296 }
3297
3298 /* prepare dummy protocols for grab */
3299 static void prepare_grab(void)
3300 {
3301 int has_video, has_audio, i, j;
3302 AVFormatContext *oc;
3303 AVFormatContext *ic;
3304 AVFormatParameters vp1, *vp = &vp1;
3305 AVFormatParameters ap1, *ap = &ap1;
3306
3307 /* see if audio/video inputs are needed */
3308 has_video = 0;
3309 has_audio = 0;
3310 memset(ap, 0, sizeof(*ap));
3311 memset(vp, 0, sizeof(*vp));
3312 for(j=0;j<nb_output_files;j++) {
3313 oc = output_files[j];
3314 for(i=0;i<oc->nb_streams;i++) {
3315 AVCodecContext *enc = &oc->streams[i]->codec;
3316 switch(enc->codec_type) {