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[libav.git] / ffmpeg.c
1 /*
2 * FFmpeg main
3 * Copyright (c) 2000-2003 Fabrice Bellard
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19 #define HAVE_AV_CONFIG_H
20 #include <limits.h>
21 #include "avformat.h"
22 #include "framehook.h"
23 #include "dsputil.h"
24
25 #ifndef CONFIG_WIN32
26 #include <unistd.h>
27 #include <fcntl.h>
28 #include <sys/ioctl.h>
29 #include <sys/time.h>
30 #include <termios.h>
31 #include <sys/resource.h>
32 #include <signal.h>
33 #endif
34 #ifdef CONFIG_OS2
35 #include <sys/types.h>
36 #include <sys/select.h>
37 #include <stdlib.h>
38 #endif
39 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
40 #include <time.h>
41
42 #include "cmdutils.h"
43
44 #undef NDEBUG
45 #include <assert.h>
46
47 #if !defined(INFINITY) && defined(HUGE_VAL)
48 #define INFINITY HUGE_VAL
49 #endif
50
51 /* select an input stream for an output stream */
52 typedef struct AVStreamMap {
53 int file_index;
54 int stream_index;
55 } AVStreamMap;
56
57 /** select an input file for an output file */
58 typedef struct AVMetaDataMap {
59 int out_file;
60 int in_file;
61 } AVMetaDataMap;
62
63 extern const OptionDef options[];
64
65 static void show_help(void);
66 static void show_license(void);
67
68 #define MAX_FILES 20
69
70 static AVFormatContext *input_files[MAX_FILES];
71 static int64_t input_files_ts_offset[MAX_FILES];
72 static int nb_input_files = 0;
73
74 static AVFormatContext *output_files[MAX_FILES];
75 static int nb_output_files = 0;
76
77 static AVStreamMap stream_maps[MAX_FILES];
78 static int nb_stream_maps;
79
80 static AVMetaDataMap meta_data_maps[MAX_FILES];
81 static int nb_meta_data_maps;
82
83 static AVInputFormat *file_iformat;
84 static AVOutputFormat *file_oformat;
85 static AVImageFormat *image_format;
86 static int frame_width = 160;
87 static int frame_height = 128;
88 static float frame_aspect_ratio = 0;
89 static enum PixelFormat frame_pix_fmt = PIX_FMT_YUV420P;
90 static int frame_padtop = 0;
91 static int frame_padbottom = 0;
92 static int frame_padleft = 0;
93 static int frame_padright = 0;
94 static int padcolor[3] = {16,128,128}; /* default to black */
95 static int frame_topBand = 0;
96 static int frame_bottomBand = 0;
97 static int frame_leftBand = 0;
98 static int frame_rightBand = 0;
99 static int frame_rate = 25;
100 static int frame_rate_base = 1;
101 static int video_bit_rate = 200*1000;
102 static int video_bit_rate_tolerance = 4000*1000;
103 static float video_qscale = 0;
104 static int video_qmin = 2;
105 static int video_qmax = 31;
106 static int video_lmin = 2*FF_QP2LAMBDA;
107 static int video_lmax = 31*FF_QP2LAMBDA;
108 static int video_mb_qmin = 2;
109 static int video_mb_qmax = 31;
110 static int video_qdiff = 3;
111 static float video_qblur = 0.5;
112 static float video_qcomp = 0.5;
113 static uint16_t *intra_matrix = NULL;
114 static uint16_t *inter_matrix = NULL;
115 #if 0 //experimental, (can be removed)
116 static float video_rc_qsquish=1.0;
117 static float video_rc_qmod_amp=0;
118 static int video_rc_qmod_freq=0;
119 #endif
120 static char *video_rc_override_string=NULL;
121 static char *video_rc_eq="tex^qComp";
122 static int video_rc_buffer_size=0;
123 static float video_rc_buffer_aggressivity=1.0;
124 static int video_rc_max_rate=0;
125 static int video_rc_min_rate=0;
126 static float video_rc_initial_cplx=0;
127 static float video_b_qfactor = 1.25;
128 static float video_b_qoffset = 1.25;
129 static float video_i_qfactor = -0.8;
130 static float video_i_qoffset = 0.0;
131 static int video_intra_quant_bias= FF_DEFAULT_QUANT_BIAS;
132 static int video_inter_quant_bias= FF_DEFAULT_QUANT_BIAS;
133 static int me_method = ME_EPZS;
134 static int video_disable = 0;
135 static int video_codec_id = CODEC_ID_NONE;
136 static int same_quality = 0;
137 static int b_frames = 0;
138 static int mb_decision = FF_MB_DECISION_SIMPLE;
139 static int ildct_cmp = FF_CMP_VSAD;
140 static int mb_cmp = FF_CMP_SAD;
141 static int sub_cmp = FF_CMP_SAD;
142 static int cmp = FF_CMP_SAD;
143 static int pre_cmp = FF_CMP_SAD;
144 static int pre_me = 0;
145 static float lumi_mask = 0;
146 static float dark_mask = 0;
147 static float scplx_mask = 0;
148 static float tcplx_mask = 0;
149 static float p_mask = 0;
150 static int use_4mv = 0;
151 static int use_obmc = 0;
152 static int use_loop = 0;
153 static int use_aic = 0;
154 static int use_aiv = 0;
155 static int use_umv = 0;
156 static int use_ss = 0;
157 static int use_alt_scan = 0;
158 static int use_trell = 0;
159 static int use_scan_offset = 0;
160 static int use_qpel = 0;
161 static int use_qprd = 0;
162 static int use_cbprd = 0;
163 static int qns = 0;
164 static int closed_gop = 0;
165 static int do_deinterlace = 0;
166 static int do_interlace_dct = 0;
167 static int do_interlace_me = 0;
168 static int workaround_bugs = FF_BUG_AUTODETECT;
169 static int error_resilience = 2;
170 static int error_concealment = 3;
171 static int dct_algo = 0;
172 static int idct_algo = 0;
173 static int use_part = 0;
174 static int packet_size = 0;
175 static int error_rate = 0;
176 static int strict = 0;
177 static int top_field_first = -1;
178 static int noise_reduction = 0;
179 static int sc_threshold = 0;
180 static int debug = 0;
181 static int debug_mv = 0;
182 static int me_threshold = 0;
183 static int mb_threshold = 0;
184 static int intra_dc_precision = 8;
185 static int coder = 0;
186 static int context = 0;
187 static int predictor = 0;
188 static int video_profile = FF_PROFILE_UNKNOWN;
189 static int video_level = FF_LEVEL_UNKNOWN;
190 static int nsse_weight = 8;
191 extern int loop_input; /* currently a hack */
192
193 static int gop_size = 12;
194 static int intra_only = 0;
195 static int audio_sample_rate = 44100;
196 static int audio_bit_rate = 64000;
197 static int audio_disable = 0;
198 static int audio_channels = 1;
199 static int audio_codec_id = CODEC_ID_NONE;
200
201 static int64_t recording_time = 0;
202 static int64_t start_time = 0;
203 static int64_t rec_timestamp = 0;
204 static int64_t input_ts_offset = 0;
205 static int file_overwrite = 0;
206 static char *str_title = NULL;
207 static char *str_author = NULL;
208 static char *str_copyright = NULL;
209 static char *str_comment = NULL;
210 static int do_benchmark = 0;
211 static int do_hex_dump = 0;
212 static int do_pkt_dump = 0;
213 static int do_psnr = 0;
214 static int do_vstats = 0;
215 static int do_pass = 0;
216 static int bitexact = 0;
217 static char *pass_logfilename = NULL;
218 static int audio_stream_copy = 0;
219 static int video_stream_copy = 0;
220 static int video_sync_method= 1;
221 static int audio_sync_method= 0;
222 static int copy_ts= 0;
223
224 static int rate_emu = 0;
225
226 static char *video_grab_format = "video4linux";
227 static char *video_device = NULL;
228 static int video_channel = 0;
229 static char *video_standard = "ntsc";
230
231 static char *audio_grab_format = "audio_device";
232 static char *audio_device = NULL;
233
234 static int using_stdin = 0;
235 static int using_vhook = 0;
236 static int verbose = 1;
237 static int thread_count= 1;
238 static int q_pressed = 0;
239 static int me_range = 0;
240 static int64_t video_size = 0;
241 static int64_t audio_size = 0;
242 static int64_t extra_size = 0;
243 static int nb_frames_dup = 0;
244 static int nb_frames_drop = 0;
245 static int input_sync;
246
247 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
248
249 typedef struct AVOutputStream {
250 int file_index; /* file index */
251 int index; /* stream index in the output file */
252 int source_index; /* AVInputStream index */
253 AVStream *st; /* stream in the output file */
254 int encoding_needed; /* true if encoding needed for this stream */
255 int frame_number;
256 /* input pts and corresponding output pts
257 for A/V sync */
258 double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
259 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
260 /* video only */
261 int video_resample; /* video_resample and video_crop are mutually exclusive */
262 AVFrame pict_tmp; /* temporary image for resampling */
263 ImgReSampleContext *img_resample_ctx; /* for image resampling */
264
265 int video_crop; /* video_resample and video_crop are mutually exclusive */
266 int topBand; /* cropping area sizes */
267 int leftBand;
268
269 int video_pad; /* video_resample and video_pad are mutually exclusive */
270 int padtop; /* padding area sizes */
271 int padbottom;
272 int padleft;
273 int padright;
274
275 /* audio only */
276 int audio_resample;
277 ReSampleContext *resample; /* for audio resampling */
278 FifoBuffer fifo; /* for compression: one audio fifo per codec */
279 FILE *logfile;
280 } AVOutputStream;
281
282 typedef struct AVInputStream {
283 int file_index;
284 int index;
285 AVStream *st;
286 int discard; /* true if stream data should be discarded */
287 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
288 int64_t sample_index; /* current sample */
289
290 int64_t start; /* time when read started */
291 unsigned long frame; /* current frame */
292 int64_t next_pts; /* synthetic pts for cases where pkt.pts
293 is not defined */
294 int64_t pts; /* current pts */
295 int is_start; /* is 1 at the start and after a discontinuity */
296 } AVInputStream;
297
298 typedef struct AVInputFile {
299 int eof_reached; /* true if eof reached */
300 int ist_index; /* index of first stream in ist_table */
301 int buffer_size; /* current total buffer size */
302 int buffer_size_max; /* buffer size at which we consider we can stop
303 buffering */
304 int nb_streams; /* nb streams we are aware of */
305 } AVInputFile;
306
307 #ifndef CONFIG_WIN32
308
309 /* init terminal so that we can grab keys */
310 static struct termios oldtty;
311
312 static void term_exit(void)
313 {
314 tcsetattr (0, TCSANOW, &oldtty);
315 }
316
317 static volatile sig_atomic_t received_sigterm = 0;
318
319 static void
320 sigterm_handler(int sig)
321 {
322 received_sigterm = sig;
323 term_exit();
324 }
325
326 static void term_init(void)
327 {
328 struct termios tty;
329
330 tcgetattr (0, &tty);
331 oldtty = tty;
332
333 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
334 |INLCR|IGNCR|ICRNL|IXON);
335 tty.c_oflag |= OPOST;
336 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
337 tty.c_cflag &= ~(CSIZE|PARENB);
338 tty.c_cflag |= CS8;
339 tty.c_cc[VMIN] = 1;
340 tty.c_cc[VTIME] = 0;
341
342 tcsetattr (0, TCSANOW, &tty);
343
344 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
345 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
346 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
347 /*
348 register a function to be called at normal program termination
349 */
350 atexit(term_exit);
351 #ifdef CONFIG_BEOS_NETSERVER
352 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
353 #endif
354 }
355
356 /* read a key without blocking */
357 static int read_key(void)
358 {
359 int n = 1;
360 unsigned char ch;
361 #ifndef CONFIG_BEOS_NETSERVER
362 struct timeval tv;
363 fd_set rfds;
364
365 FD_ZERO(&rfds);
366 FD_SET(0, &rfds);
367 tv.tv_sec = 0;
368 tv.tv_usec = 0;
369 n = select(1, &rfds, NULL, NULL, &tv);
370 #endif
371 if (n > 0) {
372 n = read(0, &ch, 1);
373 if (n == 1)
374 return ch;
375
376 return n;
377 }
378 return -1;
379 }
380
381 static int decode_interrupt_cb(void)
382 {
383 return q_pressed || (q_pressed = read_key() == 'q');
384 }
385
386 #else
387
388 static volatile int received_sigterm = 0;
389
390 /* no interactive support */
391 static void term_exit(void)
392 {
393 }
394
395 static void term_init(void)
396 {
397 }
398
399 static int read_key(void)
400 {
401 return 0;
402 }
403
404 #endif
405
406 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
407 {
408 int i, err;
409 AVFormatContext *ic;
410
411 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
412 if (err < 0)
413 return err;
414 /* copy stream format */
415 s->nb_streams = ic->nb_streams;
416 for(i=0;i<ic->nb_streams;i++) {
417 AVStream *st;
418
419 st = av_mallocz(sizeof(AVStream));
420 memcpy(st, ic->streams[i], sizeof(AVStream));
421 s->streams[i] = st;
422 }
423
424 av_close_input_file(ic);
425 return 0;
426 }
427
428 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
429
430 static void do_audio_out(AVFormatContext *s,
431 AVOutputStream *ost,
432 AVInputStream *ist,
433 unsigned char *buf, int size)
434 {
435 uint8_t *buftmp;
436 static uint8_t *audio_buf = NULL;
437 static uint8_t *audio_out = NULL;
438 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
439
440 int size_out, frame_bytes, ret;
441 AVCodecContext *enc= &ost->st->codec;
442
443 /* SC: dynamic allocation of buffers */
444 if (!audio_buf)
445 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
446 if (!audio_out)
447 audio_out = av_malloc(audio_out_size);
448 if (!audio_buf || !audio_out)
449 return; /* Should signal an error ! */
450
451 if(audio_sync_method){
452 double delta = ost->sync_ipts * enc->sample_rate - ost->sync_opts
453 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2);
454 double idelta= delta*ist->st->codec.sample_rate / enc->sample_rate;
455 int byte_delta= ((int)idelta)*2*ist->st->codec.channels;
456
457 //FIXME resample delay
458 if(fabs(delta) > 50){
459 if(ist->is_start){
460 if(byte_delta < 0){
461 byte_delta= FFMAX(byte_delta, -size);
462 size += byte_delta;
463 buf -= byte_delta;
464 if(verbose > 2)
465 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
466 if(!size)
467 return;
468 ist->is_start=0;
469 }else{
470 static uint8_t *input_tmp= NULL;
471 input_tmp= av_realloc(input_tmp, byte_delta + size);
472
473 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
474 ist->is_start=0;
475 else
476 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
477
478 memset(input_tmp, 0, byte_delta);
479 memcpy(input_tmp + byte_delta, buf, size);
480 buf= input_tmp;
481 size += byte_delta;
482 if(verbose > 2)
483 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
484 }
485 }else if(audio_sync_method>1){
486 int comp= clip(delta, -audio_sync_method, audio_sync_method);
487 assert(ost->audio_resample);
488 if(verbose > 2)
489 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
490 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));
491 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
492 }
493 }
494 }else
495 ost->sync_opts= lrintf(ost->sync_ipts * enc->sample_rate)
496 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2); //FIXME wrong
497
498 if (ost->audio_resample) {
499 buftmp = audio_buf;
500 size_out = audio_resample(ost->resample,
501 (short *)buftmp, (short *)buf,
502 size / (ist->st->codec.channels * 2));
503 size_out = size_out * enc->channels * 2;
504 } else {
505 buftmp = buf;
506 size_out = size;
507 }
508
509 /* now encode as many frames as possible */
510 if (enc->frame_size > 1) {
511 /* output resampled raw samples */
512 fifo_write(&ost->fifo, buftmp, size_out,
513 &ost->fifo.wptr);
514
515 frame_bytes = enc->frame_size * 2 * enc->channels;
516
517 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
518 &ost->fifo.rptr) == 0) {
519 AVPacket pkt;
520 av_init_packet(&pkt);
521
522 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
523 (short *)audio_buf);
524 audio_size += ret;
525 pkt.stream_index= ost->index;
526 pkt.data= audio_out;
527 pkt.size= ret;
528 if(enc->coded_frame)
529 pkt.pts= enc->coded_frame->pts;
530 pkt.flags |= PKT_FLAG_KEY;
531 av_interleaved_write_frame(s, &pkt);
532
533 ost->sync_opts += enc->frame_size;
534 }
535 } else {
536 AVPacket pkt;
537 av_init_packet(&pkt);
538
539 ost->sync_opts += size_out / (2 * enc->channels);
540
541 /* output a pcm frame */
542 /* XXX: change encoding codec API to avoid this ? */
543 switch(enc->codec->id) {
544 case CODEC_ID_PCM_S16LE:
545 case CODEC_ID_PCM_S16BE:
546 case CODEC_ID_PCM_U16LE:
547 case CODEC_ID_PCM_U16BE:
548 break;
549 default:
550 size_out = size_out >> 1;
551 break;
552 }
553 ret = avcodec_encode_audio(enc, audio_out, size_out,
554 (short *)buftmp);
555 audio_size += ret;
556 pkt.stream_index= ost->index;
557 pkt.data= audio_out;
558 pkt.size= ret;
559 if(enc->coded_frame)
560 pkt.pts= enc->coded_frame->pts;
561 pkt.flags |= PKT_FLAG_KEY;
562 av_interleaved_write_frame(s, &pkt);
563 }
564 }
565
566 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
567 {
568 AVCodecContext *dec;
569 AVPicture *picture2;
570 AVPicture picture_tmp;
571 uint8_t *buf = 0;
572
573 dec = &ist->st->codec;
574
575 /* deinterlace : must be done before any resize */
576 if (do_deinterlace || using_vhook) {
577 int size;
578
579 /* create temporary picture */
580 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
581 buf = av_malloc(size);
582 if (!buf)
583 return;
584
585 picture2 = &picture_tmp;
586 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
587
588 if (do_deinterlace){
589 if(avpicture_deinterlace(picture2, picture,
590 dec->pix_fmt, dec->width, dec->height) < 0) {
591 /* if error, do not deinterlace */
592 av_free(buf);
593 buf = NULL;
594 picture2 = picture;
595 }
596 } else {
597 if (img_convert(picture2, dec->pix_fmt, picture,
598 dec->pix_fmt, dec->width, dec->height) < 0) {
599 /* if error, do not copy */
600 av_free(buf);
601 buf = NULL;
602 picture2 = picture;
603 }
604 }
605 } else {
606 picture2 = picture;
607 }
608
609 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
610
611 if (picture != picture2)
612 *picture = *picture2;
613 *bufp = buf;
614 }
615
616 /* we begin to correct av delay at this threshold */
617 #define AV_DELAY_MAX 0.100
618
619
620 /* Expects img to be yuv420 */
621 static void fill_pad_region(AVPicture* img, int height, int width,
622 int padtop, int padbottom, int padleft, int padright, int *color) {
623
624 int i, y, shift;
625 uint8_t *optr;
626
627 for (i = 0; i < 3; i++) {
628 shift = (i == 0) ? 0 : 1;
629
630 if (padtop || padleft) {
631 memset(img->data[i], color[i], (((img->linesize[i] * padtop) +
632 padleft) >> shift));
633 }
634
635 if (padleft || padright) {
636 optr = img->data[i] + (img->linesize[i] * (padtop >> shift)) +
637 (img->linesize[i] - (padright >> shift));
638
639 for (y = 0; y < ((height - (padtop + padbottom)) >> shift); y++) {
640 memset(optr, color[i], (padleft + padright) >> shift);
641 optr += img->linesize[i];
642 }
643 }
644
645 if (padbottom) {
646 optr = img->data[i] + (img->linesize[i] * ((height - padbottom) >> shift));
647 memset(optr, color[i], ((img->linesize[i] * padbottom) >> shift));
648 }
649 }
650 }
651
652 static uint8_t *bit_buffer= NULL;
653
654 static void do_video_out(AVFormatContext *s,
655 AVOutputStream *ost,
656 AVInputStream *ist,
657 AVFrame *in_picture,
658 int *frame_size)
659 {
660 int nb_frames, i, ret;
661 AVFrame *final_picture, *formatted_picture;
662 AVFrame picture_format_temp, picture_crop_temp;
663 uint8_t *buf = NULL, *buf1 = NULL;
664 AVCodecContext *enc, *dec;
665 enum PixelFormat target_pixfmt;
666
667 #define VIDEO_BUFFER_SIZE (1024*1024)
668
669 avcodec_get_frame_defaults(&picture_format_temp);
670 avcodec_get_frame_defaults(&picture_crop_temp);
671
672 enc = &ost->st->codec;
673 dec = &ist->st->codec;
674
675 /* by default, we output a single frame */
676 nb_frames = 1;
677
678 *frame_size = 0;
679
680 if(video_sync_method){
681 double vdelta;
682 vdelta = ost->sync_ipts * enc->frame_rate / enc->frame_rate_base - ost->sync_opts;
683 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
684 if (vdelta < -1.1)
685 nb_frames = 0;
686 else if (vdelta > 1.1)
687 nb_frames = lrintf(vdelta - 1.1 + 0.5);
688 //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);
689 if (nb_frames == 0){
690 ++nb_frames_drop;
691 if (verbose>2)
692 fprintf(stderr, "*** drop!\n");
693 }else if (nb_frames > 1) {
694 nb_frames_dup += nb_frames;
695 if (verbose>2)
696 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
697 }
698 }else
699 ost->sync_opts= lrintf(ost->sync_ipts * enc->frame_rate / enc->frame_rate_base);
700
701 if (nb_frames <= 0)
702 return;
703
704 /* convert pixel format if needed */
705 target_pixfmt = ost->video_resample || ost->video_pad
706 ? PIX_FMT_YUV420P : enc->pix_fmt;
707 if (dec->pix_fmt != target_pixfmt) {
708 int size;
709
710 /* create temporary picture */
711 size = avpicture_get_size(target_pixfmt, dec->width, dec->height);
712 buf = av_malloc(size);
713 if (!buf)
714 return;
715 formatted_picture = &picture_format_temp;
716 avpicture_fill((AVPicture*)formatted_picture, buf, target_pixfmt, dec->width, dec->height);
717
718 if (img_convert((AVPicture*)formatted_picture, target_pixfmt,
719 (AVPicture *)in_picture, dec->pix_fmt,
720 dec->width, dec->height) < 0) {
721
722 if (verbose >= 0)
723 fprintf(stderr, "pixel format conversion not handled\n");
724
725 goto the_end;
726 }
727 } else {
728 formatted_picture = in_picture;
729 }
730
731 /* XXX: resampling could be done before raw format conversion in
732 some cases to go faster */
733 /* XXX: only works for YUV420P */
734 if (ost->video_resample) {
735 final_picture = &ost->pict_tmp;
736 img_resample(ost->img_resample_ctx, (AVPicture*)final_picture, (AVPicture*)formatted_picture);
737
738 if (ost->padtop || ost->padbottom || ost->padleft || ost->padright) {
739 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
740 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
741 padcolor);
742 }
743
744 if (enc->pix_fmt != PIX_FMT_YUV420P) {
745 int size;
746
747 av_free(buf);
748 /* create temporary picture */
749 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
750 buf = av_malloc(size);
751 if (!buf)
752 return;
753 final_picture = &picture_format_temp;
754 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
755
756 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
757 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
758 enc->width, enc->height) < 0) {
759
760 if (verbose >= 0)
761 fprintf(stderr, "pixel format conversion not handled\n");
762
763 goto the_end;
764 }
765 }
766 } else if (ost->video_crop) {
767 picture_crop_temp.data[0] = formatted_picture->data[0] +
768 (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
769
770 picture_crop_temp.data[1] = formatted_picture->data[1] +
771 ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
772 (ost->leftBand >> 1);
773
774 picture_crop_temp.data[2] = formatted_picture->data[2] +
775 ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
776 (ost->leftBand >> 1);
777
778 picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
779 picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
780 picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
781 final_picture = &picture_crop_temp;
782 } else if (ost->video_pad) {
783 final_picture = &ost->pict_tmp;
784
785 for (i = 0; i < 3; i++) {
786 uint8_t *optr, *iptr;
787 int shift = (i == 0) ? 0 : 1;
788 int y, yheight;
789
790 /* set offset to start writing image into */
791 optr = final_picture->data[i] + (((final_picture->linesize[i] *
792 ost->padtop) + ost->padleft) >> shift);
793 iptr = formatted_picture->data[i];
794
795 yheight = (enc->height - ost->padtop - ost->padbottom) >> shift;
796 for (y = 0; y < yheight; y++) {
797 /* copy unpadded image row into padded image row */
798 memcpy(optr, iptr, formatted_picture->linesize[i]);
799 optr += final_picture->linesize[i];
800 iptr += formatted_picture->linesize[i];
801 }
802 }
803
804 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
805 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
806 padcolor);
807
808 if (enc->pix_fmt != PIX_FMT_YUV420P) {
809 int size;
810
811 av_free(buf);
812 /* create temporary picture */
813 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
814 buf = av_malloc(size);
815 if (!buf)
816 return;
817 final_picture = &picture_format_temp;
818 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
819
820 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
821 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
822 enc->width, enc->height) < 0) {
823
824 if (verbose >= 0)
825 fprintf(stderr, "pixel format conversion not handled\n");
826
827 goto the_end;
828 }
829 }
830 } else {
831 final_picture = formatted_picture;
832 }
833 /* duplicates frame if needed */
834 for(i=0;i<nb_frames;i++) {
835 AVPacket pkt;
836 av_init_packet(&pkt);
837 pkt.stream_index= ost->index;
838
839 if (s->oformat->flags & AVFMT_RAWPICTURE) {
840 /* raw pictures are written as AVPicture structure to
841 avoid any copies. We support temorarily the older
842 method. */
843 AVFrame* old_frame = enc->coded_frame;
844 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
845 pkt.data= (uint8_t *)final_picture;
846 pkt.size= sizeof(AVPicture);
847 if(dec->coded_frame)
848 pkt.pts= dec->coded_frame->pts;
849 if(dec->coded_frame && dec->coded_frame->key_frame)
850 pkt.flags |= PKT_FLAG_KEY;
851
852 av_interleaved_write_frame(s, &pkt);
853 enc->coded_frame = old_frame;
854 } else {
855 AVFrame big_picture;
856
857 big_picture= *final_picture;
858 /* better than nothing: use input picture interlaced
859 settings */
860 big_picture.interlaced_frame = in_picture->interlaced_frame;
861 if(do_interlace_me || do_interlace_dct){
862 if(top_field_first == -1)
863 big_picture.top_field_first = in_picture->top_field_first;
864 else
865 big_picture.top_field_first = top_field_first;
866 }
867
868 /* handles sameq here. This is not correct because it may
869 not be a global option */
870 if (same_quality) {
871 big_picture.quality = ist->st->quality;
872 }else
873 big_picture.quality = ost->st->quality;
874 if(!me_threshold)
875 big_picture.pict_type = 0;
876 // big_picture.pts = AV_NOPTS_VALUE;
877 big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->frame_rate_base, enc->frame_rate);
878 //av_log(NULL, AV_LOG_DEBUG, "%lld -> encoder\n", ost->sync_opts);
879 ret = avcodec_encode_video(enc,
880 bit_buffer, VIDEO_BUFFER_SIZE,
881 &big_picture);
882 //enc->frame_number = enc->real_pict_num;
883 if(ret){
884 pkt.data= bit_buffer;
885 pkt.size= ret;
886 if(enc->coded_frame)
887 pkt.pts= enc->coded_frame->pts;
888 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %lld/%lld\n",
889 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->frame_rate, AV_TIME_BASE*(int64_t)enc->frame_rate_base) : -1,
890 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->frame_rate, AV_TIME_BASE*(int64_t)enc->frame_rate_base) : -1);*/
891
892 if(enc->coded_frame && enc->coded_frame->key_frame)
893 pkt.flags |= PKT_FLAG_KEY;
894 av_interleaved_write_frame(s, &pkt);
895 *frame_size = ret;
896 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
897 // enc->frame_number-1, enc->real_pict_num, ret,
898 // enc->pict_type);
899 /* if two pass, output log */
900 if (ost->logfile && enc->stats_out) {
901 fprintf(ost->logfile, "%s", enc->stats_out);
902 }
903 }
904 }
905 ost->sync_opts++;
906 ost->frame_number++;
907 }
908 the_end:
909 av_free(buf);
910 av_free(buf1);
911 }
912
913 static double psnr(double d){
914 if(d==0) return INFINITY;
915 return -10.0*log(d)/log(10.0);
916 }
917
918 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
919 int frame_size)
920 {
921 static FILE *fvstats=NULL;
922 char filename[40];
923 time_t today2;
924 struct tm *today;
925 AVCodecContext *enc;
926 int frame_number;
927 int64_t ti;
928 double ti1, bitrate, avg_bitrate;
929
930 if (!fvstats) {
931 today2 = time(NULL);
932 today = localtime(&today2);
933 sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour,
934 today->tm_min,
935 today->tm_sec);
936 fvstats = fopen(filename,"w");
937 if (!fvstats) {
938 perror("fopen");
939 exit(1);
940 }
941 }
942
943 ti = MAXINT64;
944 enc = &ost->st->codec;
945 if (enc->codec_type == CODEC_TYPE_VIDEO) {
946 frame_number = ost->frame_number;
947 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
948 if (enc->flags&CODEC_FLAG_PSNR)
949 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
950
951 fprintf(fvstats,"f_size= %6d ", frame_size);
952 /* compute pts value */
953 ti1 = (double)ost->sync_opts *enc->frame_rate_base / enc->frame_rate;
954 if (ti1 < 0.01)
955 ti1 = 0.01;
956
957 bitrate = (double)(frame_size * 8) * enc->frame_rate / enc->frame_rate_base / 1000.0;
958 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
959 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
960 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
961 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
962 }
963 }
964
965 static void print_report(AVFormatContext **output_files,
966 AVOutputStream **ost_table, int nb_ostreams,
967 int is_last_report)
968 {
969 char buf[1024];
970 AVOutputStream *ost;
971 AVFormatContext *oc, *os;
972 int64_t total_size;
973 AVCodecContext *enc;
974 int frame_number, vid, i;
975 double bitrate, ti1, pts;
976 static int64_t last_time = -1;
977
978 if (!is_last_report) {
979 int64_t cur_time;
980 /* display the report every 0.5 seconds */
981 cur_time = av_gettime();
982 if (last_time == -1) {
983 last_time = cur_time;
984 return;
985 }
986 if ((cur_time - last_time) < 500000)
987 return;
988 last_time = cur_time;
989 }
990
991
992 oc = output_files[0];
993
994 total_size = url_ftell(&oc->pb);
995
996 buf[0] = '\0';
997 ti1 = 1e10;
998 vid = 0;
999 for(i=0;i<nb_ostreams;i++) {
1000 ost = ost_table[i];
1001 os = output_files[ost->file_index];
1002 enc = &ost->st->codec;
1003 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1004 sprintf(buf + strlen(buf), "q=%2.1f ",
1005 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1006 }
1007 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1008 frame_number = ost->frame_number;
1009 sprintf(buf + strlen(buf), "frame=%5d q=%2.1f ",
1010 frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : 0);
1011 if(is_last_report)
1012 sprintf(buf + strlen(buf), "L");
1013 if (enc->flags&CODEC_FLAG_PSNR){
1014 int j;
1015 double error, error_sum=0;
1016 double scale, scale_sum=0;
1017 char type[3]= {'Y','U','V'};
1018 sprintf(buf + strlen(buf), "PSNR=");
1019 for(j=0; j<3; j++){
1020 if(is_last_report){
1021 error= enc->error[j];
1022 scale= enc->width*enc->height*255.0*255.0*frame_number;
1023 }else{
1024 error= enc->coded_frame->error[j];
1025 scale= enc->width*enc->height*255.0*255.0;
1026 }
1027 if(j) scale/=4;
1028 error_sum += error;
1029 scale_sum += scale;
1030 sprintf(buf + strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1031 }
1032 sprintf(buf + strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1033 }
1034 vid = 1;
1035 }
1036 /* compute min output value */
1037 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1038 if ((pts < ti1) && (pts > 0))
1039 ti1 = pts;
1040 }
1041 if (ti1 < 0.01)
1042 ti1 = 0.01;
1043
1044 if (verbose || is_last_report) {
1045 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1046
1047 sprintf(buf + strlen(buf),
1048 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1049 (double)total_size / 1024, ti1, bitrate);
1050
1051 if (verbose > 1)
1052 sprintf(buf + strlen(buf), " dup=%d drop=%d",
1053 nb_frames_dup, nb_frames_drop);
1054
1055 if (verbose >= 0)
1056 fprintf(stderr, "%s \r", buf);
1057
1058 fflush(stderr);
1059 }
1060
1061 if (is_last_report && verbose >= 0){
1062 int64_t raw= audio_size + video_size + extra_size;
1063 fprintf(stderr, "\n");
1064 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1065 video_size/1024.0,
1066 audio_size/1024.0,
1067 extra_size/1024.0,
1068 100.0*(total_size - raw)/raw
1069 );
1070 }
1071 }
1072
1073 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1074 static int output_packet(AVInputStream *ist, int ist_index,
1075 AVOutputStream **ost_table, int nb_ostreams,
1076 const AVPacket *pkt)
1077 {
1078 AVFormatContext *os;
1079 AVOutputStream *ost;
1080 uint8_t *ptr;
1081 int len, ret, i;
1082 uint8_t *data_buf;
1083 int data_size, got_picture;
1084 AVFrame picture;
1085 void *buffer_to_free;
1086
1087 if(!pkt){
1088 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1089 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1090 ist->next_pts = ist->pts = pkt->dts;
1091 } else {
1092 assert(ist->pts == ist->next_pts);
1093 }
1094
1095 if (pkt == NULL) {
1096 /* EOF handling */
1097 ptr = NULL;
1098 len = 0;
1099 goto handle_eof;
1100 }
1101
1102 len = pkt->size;
1103 ptr = pkt->data;
1104 while (len > 0) {
1105 handle_eof:
1106 /* decode the packet if needed */
1107 data_buf = NULL; /* fail safe */
1108 data_size = 0;
1109 if (ist->decoding_needed) {
1110 switch(ist->st->codec.codec_type) {
1111 case CODEC_TYPE_AUDIO:{
1112 /* XXX: could avoid copy if PCM 16 bits with same
1113 endianness as CPU */
1114 short samples[pkt && pkt->size > AVCODEC_MAX_AUDIO_FRAME_SIZE/2 ? pkt->size : AVCODEC_MAX_AUDIO_FRAME_SIZE/2];
1115 ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
1116 ptr, len);
1117 if (ret < 0)
1118 goto fail_decode;
1119 ptr += ret;
1120 len -= ret;
1121 /* Some bug in mpeg audio decoder gives */
1122 /* data_size < 0, it seems they are overflows */
1123 if (data_size <= 0) {
1124 /* no audio frame */
1125 continue;
1126 }
1127 data_buf = (uint8_t *)samples;
1128 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1129 (ist->st->codec.sample_rate * ist->st->codec.channels);
1130 break;}
1131 case CODEC_TYPE_VIDEO:
1132 data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
1133 /* XXX: allocate picture correctly */
1134 avcodec_get_frame_defaults(&picture);
1135
1136 ret = avcodec_decode_video(&ist->st->codec,
1137 &picture, &got_picture, ptr, len);
1138 ist->st->quality= picture.quality;
1139 if (ret < 0)
1140 goto fail_decode;
1141 if (!got_picture) {
1142 /* no picture yet */
1143 goto discard_packet;
1144 }
1145 if (ist->st->codec.frame_rate_base != 0) {
1146 ist->next_pts += ((int64_t)AV_TIME_BASE *
1147 ist->st->codec.frame_rate_base) /
1148 ist->st->codec.frame_rate;
1149 }
1150 len = 0;
1151 break;
1152 default:
1153 goto fail_decode;
1154 }
1155 } else {
1156 data_buf = ptr;
1157 data_size = len;
1158 ret = len;
1159 len = 0;
1160 }
1161
1162 buffer_to_free = NULL;
1163 if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1164 pre_process_video_frame(ist, (AVPicture *)&picture,
1165 &buffer_to_free);
1166 }
1167
1168 /* frame rate emulation */
1169 if (ist->st->codec.rate_emu) {
1170 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec.frame_rate_base, 1000000, ist->st->codec.frame_rate);
1171 int64_t now = av_gettime() - ist->start;
1172 if (pts > now)
1173 usleep(pts - now);
1174
1175 ist->frame++;
1176 }
1177
1178 #if 0
1179 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1180 is the one of the next displayed one */
1181 /* XXX: add mpeg4 too ? */
1182 if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
1183 if (ist->st->codec.pict_type != B_TYPE) {
1184 int64_t tmp;
1185 tmp = ist->last_ip_pts;
1186 ist->last_ip_pts = ist->frac_pts.val;
1187 ist->frac_pts.val = tmp;
1188 }
1189 }
1190 #endif
1191 /* if output time reached then transcode raw format,
1192 encode packets and output them */
1193 if (start_time == 0 || ist->pts >= start_time)
1194 for(i=0;i<nb_ostreams;i++) {
1195 int frame_size;
1196
1197 ost = ost_table[i];
1198 if (ost->source_index == ist_index) {
1199 os = output_files[ost->file_index];
1200
1201 #if 0
1202 printf("%d: got pts=%0.3f %0.3f\n", i,
1203 (double)pkt->pts / AV_TIME_BASE,
1204 ((double)ist->pts / AV_TIME_BASE) -
1205 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1206 #endif
1207 /* set the input output pts pairs */
1208 ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index])/ AV_TIME_BASE;
1209
1210 if (ost->encoding_needed) {
1211 switch(ost->st->codec.codec_type) {
1212 case CODEC_TYPE_AUDIO:
1213 do_audio_out(os, ost, ist, data_buf, data_size);
1214 break;
1215 case CODEC_TYPE_VIDEO:
1216 /* find an audio stream for synchro */
1217 {
1218 int i;
1219 AVOutputStream *audio_sync, *ost1;
1220 audio_sync = NULL;
1221 for(i=0;i<nb_ostreams;i++) {
1222 ost1 = ost_table[i];
1223 if (ost1->file_index == ost->file_index &&
1224 ost1->st->codec.codec_type == CODEC_TYPE_AUDIO) {
1225 audio_sync = ost1;
1226 break;
1227 }
1228 }
1229
1230 do_video_out(os, ost, ist, &picture, &frame_size);
1231 video_size += frame_size;
1232 if (do_vstats && frame_size)
1233 do_video_stats(os, ost, frame_size);
1234 }
1235 break;
1236 default:
1237 av_abort();
1238 }
1239 } else {
1240 AVFrame avframe; //FIXME/XXX remove this
1241 AVPacket opkt;
1242 av_init_packet(&opkt);
1243
1244 /* no reencoding needed : output the packet directly */
1245 /* force the input stream PTS */
1246
1247 avcodec_get_frame_defaults(&avframe);
1248 ost->st->codec.coded_frame= &avframe;
1249 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1250
1251 if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO)
1252 audio_size += data_size;
1253 else if (ost->st->codec.codec_type == CODEC_TYPE_VIDEO)
1254 video_size += data_size;
1255
1256 opkt.stream_index= ost->index;
1257 opkt.data= data_buf;
1258 opkt.size= data_size;
1259 opkt.pts= pkt->pts + input_files_ts_offset[ist->file_index];
1260 opkt.dts= pkt->dts + input_files_ts_offset[ist->file_index];
1261 opkt.flags= pkt->flags;
1262
1263 av_interleaved_write_frame(os, &opkt);
1264 ost->st->codec.frame_number++;
1265 ost->frame_number++;
1266 }
1267 }
1268 }
1269 av_free(buffer_to_free);
1270 }
1271 discard_packet:
1272 if (pkt == NULL) {
1273 /* EOF handling */
1274
1275 for(i=0;i<nb_ostreams;i++) {
1276 ost = ost_table[i];
1277 if (ost->source_index == ist_index) {
1278 AVCodecContext *enc= &ost->st->codec;
1279 os = output_files[ost->file_index];
1280
1281 if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1282 continue;
1283 if(ost->st->codec.codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1284 continue;
1285
1286 if (ost->encoding_needed) {
1287 for(;;) {
1288 AVPacket pkt;
1289 av_init_packet(&pkt);
1290 pkt.stream_index= ost->index;
1291
1292 switch(ost->st->codec.codec_type) {
1293 case CODEC_TYPE_AUDIO:
1294 ret = avcodec_encode_audio(enc, bit_buffer, VIDEO_BUFFER_SIZE, NULL);
1295 audio_size += ret;
1296 pkt.flags |= PKT_FLAG_KEY;
1297 break;
1298 case CODEC_TYPE_VIDEO:
1299 ret = avcodec_encode_video(enc, bit_buffer, VIDEO_BUFFER_SIZE, NULL);
1300 video_size += ret;
1301 if(enc->coded_frame && enc->coded_frame->key_frame)
1302 pkt.flags |= PKT_FLAG_KEY;
1303 if (ost->logfile && enc->stats_out) {
1304 fprintf(ost->logfile, "%s", enc->stats_out);
1305 }
1306 break;
1307 default:
1308 ret=-1;
1309 }
1310
1311 if(ret<=0)
1312 break;
1313 pkt.data= bit_buffer;
1314 pkt.size= ret;
1315 if(enc->coded_frame)
1316 pkt.pts= enc->coded_frame->pts;
1317 av_interleaved_write_frame(os, &pkt);
1318 }
1319 }
1320 }
1321 }
1322 }
1323
1324 return 0;
1325 fail_decode:
1326 return -1;
1327 }
1328
1329
1330 /*
1331 * The following code is the main loop of the file converter
1332 */
1333 static int av_encode(AVFormatContext **output_files,
1334 int nb_output_files,
1335 AVFormatContext **input_files,
1336 int nb_input_files,
1337 AVStreamMap *stream_maps, int nb_stream_maps)
1338 {
1339 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1340 AVFormatContext *is, *os;
1341 AVCodecContext *codec, *icodec;
1342 AVOutputStream *ost, **ost_table = NULL;
1343 AVInputStream *ist, **ist_table = NULL;
1344 AVInputFile *file_table;
1345 AVFormatContext *stream_no_data;
1346 int key;
1347
1348 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1349 if (!file_table)
1350 goto fail;
1351
1352 if (!bit_buffer)
1353 bit_buffer = av_malloc(VIDEO_BUFFER_SIZE);
1354 if (!bit_buffer)
1355 goto fail;
1356
1357 /* input stream init */
1358 j = 0;
1359 for(i=0;i<nb_input_files;i++) {
1360 is = input_files[i];
1361 file_table[i].ist_index = j;
1362 file_table[i].nb_streams = is->nb_streams;
1363 j += is->nb_streams;
1364 }
1365 nb_istreams = j;
1366
1367 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1368 if (!ist_table)
1369 goto fail;
1370
1371 for(i=0;i<nb_istreams;i++) {
1372 ist = av_mallocz(sizeof(AVInputStream));
1373 if (!ist)
1374 goto fail;
1375 ist_table[i] = ist;
1376 }
1377 j = 0;
1378 for(i=0;i<nb_input_files;i++) {
1379 is = input_files[i];
1380 for(k=0;k<is->nb_streams;k++) {
1381 ist = ist_table[j++];
1382 ist->st = is->streams[k];
1383 ist->file_index = i;
1384 ist->index = k;
1385 ist->discard = 1; /* the stream is discarded by default
1386 (changed later) */
1387
1388 if (ist->st->codec.rate_emu) {
1389 ist->start = av_gettime();
1390 ist->frame = 0;
1391 }
1392 }
1393 }
1394
1395 /* output stream init */
1396 nb_ostreams = 0;
1397 for(i=0;i<nb_output_files;i++) {
1398 os = output_files[i];
1399 nb_ostreams += os->nb_streams;
1400 }
1401 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1402 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1403 exit(1);
1404 }
1405
1406 /* Sanity check the mapping args -- do the input files & streams exist? */
1407 for(i=0;i<nb_stream_maps;i++) {
1408 int fi = stream_maps[i].file_index;
1409 int si = stream_maps[i].stream_index;
1410
1411 if (fi < 0 || fi > nb_input_files - 1 ||
1412 si < 0 || si > file_table[fi].nb_streams - 1) {
1413 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1414 exit(1);
1415 }
1416 }
1417
1418 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1419 if (!ost_table)
1420 goto fail;
1421 for(i=0;i<nb_ostreams;i++) {
1422 ost = av_mallocz(sizeof(AVOutputStream));
1423 if (!ost)
1424 goto fail;
1425 ost_table[i] = ost;
1426 }
1427
1428 n = 0;
1429 for(k=0;k<nb_output_files;k++) {
1430 os = output_files[k];
1431 for(i=0;i<os->nb_streams;i++) {
1432 int found;
1433 ost = ost_table[n++];
1434 ost->file_index = k;
1435 ost->index = i;
1436 ost->st = os->streams[i];
1437 if (nb_stream_maps > 0) {
1438 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1439 stream_maps[n-1].stream_index;
1440
1441 /* Sanity check that the stream types match */
1442 if (ist_table[ost->source_index]->st->codec.codec_type != ost->st->codec.codec_type) {
1443 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1444 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1445 ost->file_index, ost->index);
1446 exit(1);
1447 }
1448
1449 } else {
1450 /* get corresponding input stream index : we select the first one with the right type */
1451 found = 0;
1452 for(j=0;j<nb_istreams;j++) {
1453 ist = ist_table[j];
1454 if (ist->discard &&
1455 ist->st->codec.codec_type == ost->st->codec.codec_type) {
1456 ost->source_index = j;
1457 found = 1;
1458 }
1459 }
1460
1461 if (!found) {
1462 /* try again and reuse existing stream */
1463 for(j=0;j<nb_istreams;j++) {
1464 ist = ist_table[j];
1465 if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
1466 ost->source_index = j;
1467 found = 1;
1468 }
1469 }
1470 if (!found) {
1471 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1472 ost->file_index, ost->index);
1473 exit(1);
1474 }
1475 }
1476 }
1477 ist = ist_table[ost->source_index];
1478 ist->discard = 0;
1479 }
1480 }
1481
1482 /* for each output stream, we compute the right encoding parameters */
1483 for(i=0;i<nb_ostreams;i++) {
1484 ost = ost_table[i];
1485 ist = ist_table[ost->source_index];
1486
1487 codec = &ost->st->codec;
1488 icodec = &ist->st->codec;
1489
1490 if (ost->st->stream_copy) {
1491 /* if stream_copy is selected, no need to decode or encode */
1492 codec->codec_id = icodec->codec_id;
1493 codec->codec_type = icodec->codec_type;
1494 codec->codec_tag = icodec->codec_tag;
1495 codec->bit_rate = icodec->bit_rate;
1496 switch(codec->codec_type) {
1497 case CODEC_TYPE_AUDIO:
1498 codec->sample_rate = icodec->sample_rate;
1499 codec->channels = icodec->channels;
1500 codec->frame_size = icodec->frame_size;
1501 break;
1502 case CODEC_TYPE_VIDEO:
1503 codec->frame_rate = icodec->frame_rate;
1504 codec->frame_rate_base = icodec->frame_rate_base;
1505 codec->width = icodec->width;
1506 codec->height = icodec->height;
1507 break;
1508 default:
1509 av_abort();
1510 }
1511 } else {
1512 switch(codec->codec_type) {
1513 case CODEC_TYPE_AUDIO:
1514 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1515 goto fail;
1516
1517 if (codec->channels == icodec->channels &&
1518 codec->sample_rate == icodec->sample_rate) {
1519 ost->audio_resample = 0;
1520 } else {
1521 if (codec->channels != icodec->channels &&
1522 (icodec->codec_id == CODEC_ID_AC3 ||
1523 icodec->codec_id == CODEC_ID_DTS)) {
1524 /* Special case for 5:1 AC3 and DTS input */
1525 /* and mono or stereo output */
1526 /* Request specific number of channels */
1527 icodec->channels = codec->channels;
1528 if (codec->sample_rate == icodec->sample_rate)
1529 ost->audio_resample = 0;
1530 else {
1531 ost->audio_resample = 1;
1532 }
1533 } else {
1534 ost->audio_resample = 1;
1535 }
1536 }
1537 if(audio_sync_method>1)
1538 ost->audio_resample = 1;
1539
1540 if(ost->audio_resample){
1541 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1542 codec->sample_rate, icodec->sample_rate);
1543 if(!ost->resample){
1544 printf("Can't resample. Aborting.\n");
1545 av_abort();
1546 }
1547 }
1548 ist->decoding_needed = 1;
1549 ost->encoding_needed = 1;
1550 break;
1551 case CODEC_TYPE_VIDEO:
1552 if (codec->width == icodec->width &&
1553 codec->height == icodec->height &&
1554 frame_topBand == 0 &&
1555 frame_bottomBand == 0 &&
1556 frame_leftBand == 0 &&
1557 frame_rightBand == 0 &&
1558 frame_padtop == 0 &&
1559 frame_padbottom == 0 &&
1560 frame_padleft == 0 &&
1561 frame_padright == 0)
1562 {
1563 ost->video_resample = 0;
1564 ost->video_crop = 0;
1565 ost->video_pad = 0;
1566 } else if ((codec->width == icodec->width -
1567 (frame_leftBand + frame_rightBand)) &&
1568 (codec->height == icodec->height -
1569 (frame_topBand + frame_bottomBand)))
1570 {
1571 ost->video_resample = 0;
1572 ost->video_crop = 1;
1573 ost->topBand = frame_topBand;
1574 ost->leftBand = frame_leftBand;
1575 } else if ((codec->width == icodec->width +
1576 (frame_padleft + frame_padright)) &&
1577 (codec->height == icodec->height +
1578 (frame_padtop + frame_padbottom))) {
1579 ost->video_resample = 0;
1580 ost->video_crop = 0;
1581 ost->video_pad = 1;
1582 ost->padtop = frame_padtop;
1583 ost->padleft = frame_padleft;
1584 ost->padbottom = frame_padbottom;
1585 ost->padright = frame_padright;
1586 avcodec_get_frame_defaults(&ost->pict_tmp);
1587 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1588 codec->width, codec->height ) )
1589 goto fail;
1590 } else {
1591 ost->video_resample = 1;
1592 ost->video_crop = 0; // cropping is handled as part of resample
1593 avcodec_get_frame_defaults(&ost->pict_tmp);
1594 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1595 codec->width, codec->height ) )
1596 goto fail;
1597
1598 ost->img_resample_ctx = img_resample_full_init(
1599 ost->st->codec.width, ost->st->codec.height,
1600 ist->st->codec.width, ist->st->codec.height,
1601 frame_topBand, frame_bottomBand,
1602 frame_leftBand, frame_rightBand,
1603 frame_padtop, frame_padbottom,
1604 frame_padleft, frame_padright);
1605
1606 ost->padtop = frame_padtop;
1607 ost->padleft = frame_padleft;
1608 ost->padbottom = frame_padbottom;
1609 ost->padright = frame_padright;
1610
1611 }
1612 ost->encoding_needed = 1;
1613 ist->decoding_needed = 1;
1614 break;
1615 default:
1616 av_abort();
1617 }
1618 /* two pass mode */
1619 if (ost->encoding_needed &&
1620 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1621 char logfilename[1024];
1622 FILE *f;
1623 int size;
1624 char *logbuffer;
1625
1626 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1627 pass_logfilename ?
1628 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1629 if (codec->flags & CODEC_FLAG_PASS1) {
1630 f = fopen(logfilename, "w");
1631 if (!f) {
1632 perror(logfilename);
1633 exit(1);
1634 }
1635 ost->logfile = f;
1636 } else {
1637 /* read the log file */
1638 f = fopen(logfilename, "r");
1639 if (!f) {
1640 perror(logfilename);
1641 exit(1);
1642 }
1643 fseek(f, 0, SEEK_END);
1644 size = ftell(f);
1645 fseek(f, 0, SEEK_SET);
1646 logbuffer = av_malloc(size + 1);
1647 if (!logbuffer) {
1648 fprintf(stderr, "Could not allocate log buffer\n");
1649 exit(1);
1650 }
1651 size = fread(logbuffer, 1, size, f);
1652 fclose(f);
1653 logbuffer[size] = '\0';
1654 codec->stats_in = logbuffer;
1655 }
1656 }
1657 }
1658 }
1659
1660 /* dump the file output parameters - cannot be done before in case
1661 of stream copy */
1662 for(i=0;i<nb_output_files;i++) {
1663 dump_format(output_files[i], i, output_files[i]->filename, 1);
1664 }
1665
1666 /* dump the stream mapping */
1667 if (verbose >= 0) {
1668 fprintf(stderr, "Stream mapping:\n");
1669 for(i=0;i<nb_ostreams;i++) {
1670 ost = ost_table[i];
1671 fprintf(stderr, " Stream #%d.%d -> #%d.%d\n",
1672 ist_table[ost->source_index]->file_index,
1673 ist_table[ost->source_index]->index,
1674 ost->file_index,
1675 ost->index);
1676 }
1677 }
1678
1679 /* open each encoder */
1680 for(i=0;i<nb_ostreams;i++) {
1681 ost = ost_table[i];
1682 if (ost->encoding_needed) {
1683 AVCodec *codec;
1684 codec = avcodec_find_encoder(ost->st->codec.codec_id);
1685 if (!codec) {
1686 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1687 ost->file_index, ost->index);
1688 exit(1);
1689 }
1690 if (avcodec_open(&ost->st->codec, codec) < 0) {
1691 fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1692 ost->file_index, ost->index);
1693 exit(1);
1694 }
1695 extra_size += ost->st->codec.extradata_size;
1696 }
1697 }
1698
1699 /* open each decoder */
1700 for(i=0;i<nb_istreams;i++) {
1701 ist = ist_table[i];
1702 if (ist->decoding_needed) {
1703 AVCodec *codec;
1704 codec = avcodec_find_decoder(ist->st->codec.codec_id);
1705 if (!codec) {
1706 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1707 ist->st->codec.codec_id, ist->file_index, ist->index);
1708 exit(1);
1709 }
1710 if (avcodec_open(&ist->st->codec, codec) < 0) {
1711 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1712 ist->file_index, ist->index);
1713 exit(1);
1714 }
1715 //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1716 // ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1717 }
1718 }
1719
1720 /* init pts */
1721 for(i=0;i<nb_istreams;i++) {
1722 ist = ist_table[i];
1723 is = input_files[ist->file_index];
1724 ist->pts = 0;
1725 ist->next_pts = ist->st->start_time;
1726 if(ist->next_pts == AV_NOPTS_VALUE)
1727 ist->next_pts=0;
1728 ist->is_start = 1;
1729 }
1730
1731 /* compute buffer size max (should use a complete heuristic) */
1732 for(i=0;i<nb_input_files;i++) {
1733 file_table[i].buffer_size_max = 2048;
1734 }
1735
1736 /* set meta data information from input file if required */
1737 for (i=0;i<nb_meta_data_maps;i++) {
1738 AVFormatContext *out_file;
1739 AVFormatContext *in_file;
1740
1741 int out_file_index = meta_data_maps[i].out_file;
1742 int in_file_index = meta_data_maps[i].in_file;
1743 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1744 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1745 ret = -EINVAL;
1746 goto fail;
1747 }
1748 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1749 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1750 ret = -EINVAL;
1751 goto fail;
1752 }
1753
1754 out_file = output_files[out_file_index];
1755 in_file = input_files[in_file_index];
1756
1757 strcpy(out_file->title, in_file->title);
1758 strcpy(out_file->author, in_file->author);
1759 strcpy(out_file->copyright, in_file->copyright);
1760 strcpy(out_file->comment, in_file->comment);
1761 strcpy(out_file->album, in_file->album);
1762 out_file->year = in_file->year;
1763 out_file->track = in_file->track;
1764 strcpy(out_file->genre, in_file->genre);
1765 }
1766
1767 /* open files and write file headers */
1768 for(i=0;i<nb_output_files;i++) {
1769 os = output_files[i];
1770 if (av_write_header(os) < 0) {
1771 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1772 ret = -EINVAL;
1773 goto fail;
1774 }
1775 }
1776
1777 #ifndef CONFIG_WIN32
1778 if ( !using_stdin && verbose >= 0) {
1779 fprintf(stderr, "Press [q] to stop encoding\n");
1780 url_set_interrupt_cb(decode_interrupt_cb);
1781 }
1782 #endif
1783 term_init();
1784
1785 stream_no_data = 0;
1786 key = -1;
1787
1788 for(; received_sigterm == 0;) {
1789 int file_index, ist_index;
1790 AVPacket pkt;
1791 double ipts_min;
1792 double opts_min;
1793
1794 redo:
1795 ipts_min= 1e100;
1796 opts_min= 1e100;
1797 /* if 'q' pressed, exits */
1798 if (!using_stdin) {
1799 if (q_pressed)
1800 break;
1801 /* read_key() returns 0 on EOF */
1802 key = read_key();
1803 if (key == 'q')
1804 break;
1805 }
1806
1807 /* select the stream that we must read now by looking at the
1808 smallest output pts */
1809 file_index = -1;
1810 for(i=0;i<nb_ostreams;i++) {
1811 double ipts, opts;
1812 ost = ost_table[i];
1813 os = output_files[ost->file_index];
1814 ist = ist_table[ost->source_index];
1815 if(ost->st->codec.codec_type == CODEC_TYPE_VIDEO)
1816 opts = (double)ost->sync_opts * ost->st->codec.frame_rate_base / ost->st->codec.frame_rate;
1817 else
1818 opts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1819 ipts = (double)ist->pts;
1820 if (!file_table[ist->file_index].eof_reached){
1821 if(ipts < ipts_min) {
1822 ipts_min = ipts;
1823 if(input_sync ) file_index = ist->file_index;
1824 }
1825 if(opts < opts_min) {
1826 opts_min = opts;
1827 if(!input_sync) file_index = ist->file_index;
1828 }
1829 }
1830 }
1831 /* if none, if is finished */
1832 if (file_index < 0) {
1833 break;
1834 }
1835
1836 /* finish if recording time exhausted */
1837 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1838 break;
1839
1840 /* read a frame from it and output it in the fifo */
1841 is = input_files[file_index];
1842 if (av_read_frame(is, &pkt) < 0) {
1843 file_table[file_index].eof_reached = 1;
1844 continue;
1845 }
1846
1847 if (!pkt.size) {
1848 stream_no_data = is;
1849 } else {
1850 stream_no_data = 0;
1851 }
1852 if (do_pkt_dump) {
1853 av_pkt_dump(stdout, &pkt, do_hex_dump);
1854 }
1855 /* the following test is needed in case new streams appear
1856 dynamically in stream : we ignore them */
1857 if (pkt.stream_index >= file_table[file_index].nb_streams)
1858 goto discard_packet;
1859 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1860 ist = ist_table[ist_index];
1861 if (ist->discard)
1862 goto discard_packet;
1863
1864 // 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);
1865 if (pkt.dts != AV_NOPTS_VALUE) {
1866 int64_t delta= pkt.dts - ist->next_pts;
1867 if(ABS(delta) > 10LL*AV_TIME_BASE && !copy_ts){
1868 input_files_ts_offset[ist->file_index]-= delta;
1869 if (verbose > 2)
1870 fprintf(stderr, "timestamp discontinuity %lld, new offset= %lld\n", delta, input_files_ts_offset[ist->file_index]);
1871 for(i=0; i<file_table[file_index].nb_streams; i++){
1872 int index= file_table[file_index].ist_index + i;
1873 ist_table[index]->next_pts += delta;
1874 ist_table[index]->is_start=1;
1875 }
1876 }
1877 }
1878
1879 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1880 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1881
1882 if (verbose >= 0)
1883 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1884 ist->file_index, ist->index);
1885
1886 av_free_packet(&pkt);
1887 goto redo;
1888 }
1889
1890 discard_packet:
1891 av_free_packet(&pkt);
1892
1893 /* dump report by using the output first video and audio streams */
1894 print_report(output_files, ost_table, nb_ostreams, 0);
1895 }
1896
1897 /* at the end of stream, we must flush the decoder buffers */
1898 for(i=0;i<nb_istreams;i++) {
1899 ist = ist_table[i];
1900 if (ist->decoding_needed) {
1901 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1902 }
1903 }
1904
1905 term_exit();
1906
1907 /* write the trailer if needed and close file */
1908 for(i=0;i<nb_output_files;i++) {
1909 os = output_files[i];
1910 av_write_trailer(os);
1911 }
1912
1913 /* dump report by using the first video and audio streams */
1914 print_report(output_files, ost_table, nb_ostreams, 1);
1915
1916 /* close each encoder */
1917 for(i=0;i<nb_ostreams;i++) {
1918 ost = ost_table[i];
1919 if (ost->encoding_needed) {
1920 av_freep(&ost->st->codec.stats_in);
1921 avcodec_close(&ost->st->codec);
1922 }
1923 }
1924
1925 /* close each decoder */
1926 for(i=0;i<nb_istreams;i++) {
1927 ist = ist_table[i];
1928 if (ist->decoding_needed) {
1929 avcodec_close(&ist->st->codec);
1930 }
1931 }
1932
1933 /* finished ! */
1934
1935 ret = 0;
1936 fail1:
1937 av_free(file_table);
1938
1939 if (ist_table) {
1940 for(i=0;i<nb_istreams;i++) {
1941 ist = ist_table[i];
1942 av_free(ist);
1943 }
1944 av_free(ist_table);
1945 }
1946 if (ost_table) {
1947 for(i=0;i<nb_ostreams;i++) {
1948 ost = ost_table[i];
1949 if (ost) {
1950 if (ost->logfile) {
1951 fclose(ost->logfile);
1952 ost->logfile = NULL;
1953 }
1954 fifo_free(&ost->fifo); /* works even if fifo is not
1955 initialized but set to zero */
1956 av_free(ost->pict_tmp.data[0]);
1957 if (ost->video_resample)
1958 img_resample_close(ost->img_resample_ctx);
1959 if (ost->audio_resample)
1960 audio_resample_close(ost->resample);
1961 av_free(ost);
1962 }
1963 }
1964 av_free(ost_table);
1965 }
1966 return ret;
1967 fail:
1968 ret = -ENOMEM;
1969 goto fail1;
1970 }
1971
1972 #if 0
1973 int file_read(const char *filename)
1974 {
1975 URLContext *h;
1976 unsigned char buffer[1024];
1977 int len, i;
1978
1979 if (url_open(&h, filename, O_RDONLY) < 0) {
1980 printf("could not open '%s'\n", filename);
1981 return -1;
1982 }
1983 for(;;) {
1984 len = url_read(h, buffer, sizeof(buffer));
1985 if (len <= 0)
1986 break;
1987 for(i=0;i<len;i++) putchar(buffer[i]);
1988 }
1989 url_close(h);
1990 return 0;
1991 }
1992 #endif
1993
1994 static void opt_image_format(const char *arg)
1995 {
1996 AVImageFormat *f;
1997
1998 for(f = first_image_format; f != NULL; f = f->next) {
1999 if (!strcmp(arg, f->name))
2000 break;
2001 }
2002 if (!f) {
2003 fprintf(stderr, "Unknown image format: '%s'\n", arg);
2004 exit(1);
2005 }
2006 image_format = f;
2007 }
2008
2009 static void opt_format(const char *arg)
2010 {
2011 /* compatibility stuff for pgmyuv */
2012 if (!strcmp(arg, "pgmyuv")) {
2013 opt_image_format(arg);
2014 arg = "image";
2015 }
2016
2017 file_iformat = av_find_input_format(arg);
2018 file_oformat = guess_format(arg, NULL, NULL);
2019 if (!file_iformat && !file_oformat) {
2020 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2021 exit(1);
2022 }
2023 }
2024
2025 static void opt_video_bitrate(const char *arg)
2026 {
2027 video_bit_rate = atoi(arg) * 1000;
2028 }
2029
2030 static void opt_video_bitrate_tolerance(const char *arg)
2031 {
2032 video_bit_rate_tolerance = atoi(arg) * 1000;
2033 }
2034
2035 static void opt_video_bitrate_max(const char *arg)
2036 {
2037 video_rc_max_rate = atoi(arg) * 1000;
2038 }
2039
2040 static void opt_video_bitrate_min(const char *arg)
2041 {
2042 video_rc_min_rate = atoi(arg) * 1000;
2043 }
2044
2045 static void opt_video_buffer_size(const char *arg)
2046 {
2047 video_rc_buffer_size = atoi(arg) * 8*1024;
2048 }
2049
2050 static void opt_video_rc_eq(char *arg)
2051 {
2052 video_rc_eq = arg;
2053 }
2054
2055 static void opt_video_rc_override_string(char *arg)
2056 {
2057 video_rc_override_string = arg;
2058 }
2059
2060
2061 static void opt_workaround_bugs(const char *arg)
2062 {
2063 workaround_bugs = atoi(arg);
2064 }
2065
2066 static void opt_dct_algo(const char *arg)
2067 {
2068 dct_algo = atoi(arg);
2069 }
2070
2071 static void opt_idct_algo(const char *arg)
2072 {
2073 idct_algo = atoi(arg);
2074 }
2075
2076 static void opt_me_threshold(const char *arg)
2077 {
2078 me_threshold = atoi(arg);
2079 }
2080
2081 static void opt_mb_threshold(const char *arg)
2082 {
2083 mb_threshold = atoi(arg);
2084 }
2085
2086 static void opt_error_resilience(const char *arg)
2087 {
2088 error_resilience = atoi(arg);
2089 }
2090
2091 static void opt_error_concealment(const char *arg)
2092 {
2093 error_concealment = atoi(arg);
2094 }
2095
2096 static void opt_debug(const char *arg)
2097 {
2098 debug = atoi(arg);
2099 }
2100
2101 static void opt_vismv(const char *arg)
2102 {
2103 debug_mv = atoi(arg);
2104 }
2105
2106 static void opt_verbose(const char *arg)
2107 {
2108 verbose = atoi(arg);
2109 av_log_set_level(atoi(arg));
2110 }
2111
2112 static void opt_frame_rate(const char *arg)
2113 {
2114 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2115 fprintf(stderr, "Incorrect frame rate\n");
2116 exit(1);
2117 }
2118 }
2119
2120 static void opt_frame_crop_top(const char *arg)
2121 {
2122 frame_topBand = atoi(arg);
2123 if (frame_topBand < 0) {
2124 fprintf(stderr, "Incorrect top crop size\n");
2125 exit(1);
2126 }
2127 if ((frame_topBand % 2) != 0) {
2128 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2129 exit(1);
2130 }
2131 if ((frame_topBand) >= frame_height){
2132 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2133 exit(1);
2134 }
2135 frame_height -= frame_topBand;
2136 }
2137
2138 static void opt_frame_crop_bottom(const char *arg)
2139 {
2140 frame_bottomBand = atoi(arg);
2141 if (frame_bottomBand < 0) {
2142 fprintf(stderr, "Incorrect bottom crop size\n");
2143 exit(1);
2144 }
2145 if ((frame_bottomBand % 2) != 0) {
2146 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2147 exit(1);
2148 }
2149 if ((frame_bottomBand) >= frame_height){
2150 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2151 exit(1);
2152 }
2153 frame_height -= frame_bottomBand;
2154 }
2155
2156 static void opt_frame_crop_left(const char *arg)
2157 {
2158 frame_leftBand = atoi(arg);
2159 if (frame_leftBand < 0) {
2160 fprintf(stderr, "Incorrect left crop size\n");
2161 exit(1);
2162 }
2163 if ((frame_leftBand % 2) != 0) {
2164 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2165 exit(1);
2166 }
2167 if ((frame_leftBand) >= frame_width){
2168 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2169 exit(1);
2170 }
2171 frame_width -= frame_leftBand;
2172 }
2173
2174 static void opt_frame_crop_right(const char *arg)
2175 {
2176 frame_rightBand = atoi(arg);
2177 if (frame_rightBand < 0) {
2178 fprintf(stderr, "Incorrect right crop size\n");
2179 exit(1);
2180 }
2181 if ((frame_rightBand % 2) != 0) {
2182 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2183 exit(1);
2184 }
2185 if ((frame_rightBand) >= frame_width){
2186 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2187 exit(1);
2188 }
2189 frame_width -= frame_rightBand;
2190 }
2191
2192 static void opt_frame_size(const char *arg)
2193 {
2194 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2195 fprintf(stderr, "Incorrect frame size\n");
2196 exit(1);
2197 }
2198 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2199 fprintf(stderr, "Frame size must be a multiple of 2\n");
2200 exit(1);
2201 }
2202 }
2203
2204
2205 #define SCALEBITS 10
2206 #define ONE_HALF (1 << (SCALEBITS - 1))
2207 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2208
2209 #define RGB_TO_Y(r, g, b) \
2210 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2211 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2212
2213 #define RGB_TO_U(r1, g1, b1, shift)\
2214 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2215 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2216
2217 #define RGB_TO_V(r1, g1, b1, shift)\
2218 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2219 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2220
2221 static void opt_pad_color(const char *arg) {
2222 /* Input is expected to be six hex digits similar to
2223 how colors are expressed in html tags (but without the #) */
2224 int rgb = strtol(arg, NULL, 16);
2225 int r,g,b;
2226
2227 r = (rgb >> 16);
2228 g = ((rgb >> 8) & 255);
2229 b = (rgb & 255);
2230
2231 padcolor[0] = RGB_TO_Y(r,g,b);
2232 padcolor[1] = RGB_TO_U(r,g,b,0);
2233 padcolor[2] = RGB_TO_V(r,g,b,0);
2234 }
2235
2236 static void opt_frame_pad_top(const char *arg)
2237 {
2238 frame_padtop = atoi(arg);
2239 if (frame_padtop < 0) {
2240 fprintf(stderr, "Incorrect top pad size\n");
2241 exit(1);
2242 }
2243 if ((frame_padtop % 2) != 0) {
2244 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2245 exit(1);
2246 }
2247 }
2248
2249 static void opt_frame_pad_bottom(const char *arg)
2250 {
2251 frame_padbottom = atoi(arg);
2252 if (frame_padbottom < 0) {
2253 fprintf(stderr, "Incorrect bottom pad size\n");
2254 exit(1);
2255 }
2256 if ((frame_padbottom % 2) != 0) {
2257 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2258 exit(1);
2259 }
2260 }
2261
2262
2263 static void opt_frame_pad_left(const char *arg)
2264 {
2265 frame_padleft = atoi(arg);
2266 if (frame_padleft < 0) {
2267 fprintf(stderr, "Incorrect left pad size\n");
2268 exit(1);
2269 }
2270 if ((frame_padleft % 2) != 0) {
2271 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2272 exit(1);
2273 }
2274 }
2275
2276
2277 static void opt_frame_pad_right(const char *arg)
2278 {
2279 frame_padright = atoi(arg);
2280 if (frame_padright < 0) {
2281 fprintf(stderr, "Incorrect right pad size\n");
2282 exit(1);
2283 }
2284 if ((frame_padright % 2) != 0) {
2285 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2286 exit(1);
2287 }
2288 }
2289
2290
2291 static void opt_frame_pix_fmt(const char *arg)
2292 {
2293 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2294 }
2295
2296 static void opt_frame_aspect_ratio(const char *arg)
2297 {
2298 int x = 0, y = 0;
2299 double ar = 0;
2300 const char *p;
2301
2302 p = strchr(arg, ':');
2303 if (p) {
2304 x = strtol(arg, (char **)&arg, 10);
2305 if (arg == p)
2306 y = strtol(arg+1, (char **)&arg, 10);
2307 if (x > 0 && y > 0)
2308 ar = (double)x / (double)y;
2309 } else
2310 ar = strtod(arg, (char **)&arg);
2311
2312 if (!ar) {
2313 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2314 exit(1);
2315 }
2316 frame_aspect_ratio = ar;
2317 }
2318
2319 static void opt_gop_size(const char *arg)
2320 {
2321 gop_size = atoi(arg);
2322 }
2323
2324 static void opt_b_frames(const char *arg)
2325 {
2326 b_frames = atoi(arg);
2327 if (b_frames > FF_MAX_B_FRAMES) {
2328 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
2329 exit(1);
2330 } else if (b_frames < 1) {
2331 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
2332 exit(1);
2333 }
2334 }
2335
2336 static void opt_mb_decision(const char *arg)
2337 {
2338 mb_decision = atoi(arg);
2339 }
2340
2341 static void opt_mb_cmp(const char *arg)
2342 {
2343 mb_cmp = atoi(arg);
2344 }
2345
2346 static void opt_ildct_cmp(const char *arg)
2347 {
2348 ildct_cmp = atoi(arg);
2349 }
2350
2351 static void opt_sub_cmp(const char *arg)
2352 {
2353 sub_cmp = atoi(arg);
2354 }
2355
2356 static void opt_cmp(const char *arg)
2357 {
2358 cmp = atoi(arg);
2359 }
2360
2361 static void opt_pre_cmp(const char *arg)
2362 {
2363 pre_cmp = atoi(arg);
2364 }
2365
2366 static void opt_pre_me(const char *arg)
2367 {
2368 pre_me = atoi(arg);
2369 }
2370
2371 static void opt_lumi_mask(const char *arg)
2372 {
2373 lumi_mask = atof(arg);
2374 }
2375
2376 static void opt_dark_mask(const char *arg)
2377 {
2378 dark_mask = atof(arg);
2379 }
2380
2381 static void opt_scplx_mask(const char *arg)
2382 {
2383 scplx_mask = atof(arg);
2384 }
2385
2386 static void opt_tcplx_mask(const char *arg)
2387 {
2388 tcplx_mask = atof(arg);
2389 }
2390
2391 static void opt_p_mask(const char *arg)
2392 {
2393 p_mask = atof(arg);
2394 }
2395
2396 static void opt_qscale(const char *arg)
2397 {
2398 video_qscale = atof(arg);
2399 if (video_qscale < 0.01 ||
2400 video_qscale > 255) {
2401 fprintf(stderr, "qscale must be >= 0.01 and <= 255\n");
2402 exit(1);
2403 }
2404 }
2405
2406 static void opt_lmax(const char *arg)
2407 {
2408 video_lmax = atof(arg)*FF_QP2LAMBDA;
2409 }
2410
2411 static void opt_lmin(const char *arg)
2412 {
2413 video_lmin = atof(arg)*FF_QP2LAMBDA;
2414 }
2415
2416 static void opt_qmin(const char *arg)
2417 {
2418 video_qmin = atoi(arg);
2419 if (video_qmin < 0 ||
2420 video_qmin > 31) {
2421 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
2422 exit(1);
2423 }
2424 }
2425
2426 static void opt_qmax(const char *arg)
2427 {
2428 video_qmax = atoi(arg);
2429 if (video_qmax < 0 ||
2430 video_qmax > 31) {
2431 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
2432 exit(1);
2433 }
2434 }
2435
2436 static void opt_mb_qmin(const char *arg)
2437 {
2438 video_mb_qmin = atoi(arg);
2439 if (video_mb_qmin < 0 ||
2440 video_mb_qmin > 31) {
2441 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
2442 exit(1);
2443 }
2444 }
2445
2446 static void opt_mb_qmax(const char *arg)
2447 {
2448 video_mb_qmax = atoi(arg);
2449 if (video_mb_qmax < 0 ||
2450 video_mb_qmax > 31) {
2451 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
2452 exit(1);
2453 }
2454 }
2455
2456 static void opt_qdiff(const char *arg)
2457 {
2458 video_qdiff = atoi(arg);
2459 if (video_qdiff < 0 ||
2460 video_qdiff > 31) {
2461 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2462 exit(1);
2463 }
2464 }
2465
2466 static void opt_qblur(const char *arg)
2467 {
2468 video_qblur = atof(arg);
2469 }
2470
2471 static void opt_qcomp(const char *arg)
2472 {
2473 video_qcomp = atof(arg);
2474 }
2475
2476 static void opt_rc_initial_cplx(const char *arg)
2477 {
2478 video_rc_initial_cplx = atof(arg);
2479 }
2480 static void opt_b_qfactor(const char *arg)
2481 {
2482 video_b_qfactor = atof(arg);
2483 }
2484 static void opt_i_qfactor(const char *arg)
2485 {
2486 video_i_qfactor = atof(arg);
2487 }
2488 static void opt_b_qoffset(const char *arg)
2489 {
2490 video_b_qoffset = atof(arg);
2491 }
2492 static void opt_i_qoffset(const char *arg)
2493 {
2494 video_i_qoffset = atof(arg);
2495 }
2496
2497 static void opt_ibias(const char *arg)
2498 {
2499 video_intra_quant_bias = atoi(arg);
2500 }
2501 static void opt_pbias(const char *arg)
2502 {
2503 video_inter_quant_bias = atoi(arg);
2504 }
2505
2506 static void opt_packet_size(const char *arg)
2507 {
2508 packet_size= atoi(arg);
2509 }
2510
2511 static void opt_error_rate(const char *arg)
2512 {
2513 error_rate= atoi(arg);
2514 }
2515
2516 static void opt_strict(const char *arg)
2517 {
2518 strict= atoi(arg);
2519 }
2520
2521 static void opt_top_field_first(const char *arg)
2522 {
2523 top_field_first= atoi(arg);
2524 }
2525
2526 static void opt_noise_reduction(const char *arg)
2527 {
2528 noise_reduction= atoi(arg);
2529 }
2530
2531 static void opt_qns(const char *arg)
2532 {
2533 qns= atoi(arg);
2534 }
2535
2536 static void opt_sc_threshold(const char *arg)
2537 {
2538 sc_threshold= atoi(arg);
2539 }
2540
2541 static void opt_me_range(const char *arg)
2542 {
2543 me_range = atoi(arg);
2544 }
2545
2546 static void opt_thread_count(const char *arg)
2547 {
2548 thread_count= atoi(arg);
2549 #if !defined(HAVE_PTHREADS) && !defined(HAVE_W32THREADS)
2550 if (verbose >= 0)
2551 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2552 #endif
2553 }
2554
2555 static void opt_audio_bitrate(const char *arg)
2556 {
2557 audio_bit_rate = atoi(arg) * 1000;
2558 }
2559
2560 static void opt_audio_rate(const char *arg)
2561 {
2562 audio_sample_rate = atoi(arg);
2563 }
2564
2565 static void opt_audio_channels(const char *arg)
2566 {
2567 audio_channels = atoi(arg);
2568 }
2569
2570 static void opt_video_device(const char *arg)
2571 {
2572 video_device = av_strdup(arg);
2573 }
2574
2575 static void opt_video_channel(const char *arg)
2576 {
2577 video_channel = strtol(arg, NULL, 0);
2578 }
2579
2580 static void opt_video_standard(const char *arg)
2581 {
2582 video_standard = av_strdup(arg);
2583 }
2584
2585 static void opt_audio_device(const char *arg)
2586 {
2587 audio_device = av_strdup(arg);
2588 }
2589
2590 static void opt_dv1394(const char *arg)
2591 {
2592 video_grab_format = "dv1394";
2593 audio_grab_format = NULL;
2594 }
2595
2596 static void opt_audio_codec(const char *arg)
2597 {
2598 AVCodec *p;
2599
2600 if (!strcmp(arg, "copy")) {
2601 audio_stream_copy = 1;
2602 } else {
2603 p = first_avcodec;
2604 while (p) {
2605 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
2606 break;
2607 p = p->next;
2608 }
2609 if (p == NULL) {
2610 fprintf(stderr, "Unknown audio codec '%s'\n", arg);
2611 exit(1);
2612 } else {
2613 audio_codec_id = p->id;
2614 }
2615 }
2616 }
2617
2618 static void add_frame_hooker(const char *arg)
2619 {
2620 int argc = 0;
2621 char *argv[64];
2622 int i;
2623 char *args = av_strdup(arg);
2624
2625 using_vhook = 1;
2626
2627 argv[0] = strtok(args, " ");
2628 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2629 }
2630
2631 i = frame_hook_add(argc, argv);
2632
2633 if (i != 0) {
2634 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2635 exit(1);
2636 }
2637 }
2638
2639 const char *motion_str[] = {
2640 "zero",
2641 "full",
2642 "log",
2643 "phods",
2644 "epzs",
2645 "x1",
2646 NULL,
2647 };
2648
2649 static void opt_motion_estimation(const char *arg)
2650 {
2651 const char **p;
2652 p = motion_str;
2653 for(;;) {
2654 if (!*p) {
2655 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2656 exit(1);
2657 }
2658 if (!strcmp(*p, arg))
2659 break;
2660 p++;
2661 }
2662 me_method = (p - motion_str) + 1;
2663 }
2664
2665 static void opt_video_codec(const char *arg)
2666 {
2667 AVCodec *p;
2668
2669 if (!strcmp(arg, "copy")) {
2670 video_stream_copy = 1;
2671 } else {
2672 p = first_avcodec;
2673 while (p) {
2674 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
2675 break;
2676 p = p->next;
2677 }
2678 if (p == NULL) {
2679 fprintf(stderr, "Unknown video codec '%s'\n", arg);
2680 exit(1);
2681 } else {
2682 video_codec_id = p->id;
2683 }
2684 }
2685 }
2686
2687 static void opt_map(const char *arg)
2688 {
2689 AVStreamMap *m;
2690 const char *p;
2691
2692 p = arg;
2693 m = &stream_maps[nb_stream_maps++];
2694
2695 m->file_index = strtol(arg, (char **)&p, 0);
2696 if (*p)
2697 p++;
2698
2699 m->stream_index = strtol(p, (char **)&p, 0);
2700 }
2701
2702 static void opt_map_meta_data(const char *arg)
2703 {
2704 AVMetaDataMap *m;
2705 const char *p;
2706
2707 p = arg;
2708 m = &meta_data_maps[nb_meta_data_maps++];
2709
2710 m->out_file = strtol(arg, (char **)&p, 0);
2711 if (*p)
2712 p++;
2713
2714 m->in_file = strtol(p, (char **)&p, 0);
2715 }
2716
2717 static void opt_recording_time(const char *arg)
2718 {
2719 recording_time = parse_date(arg, 1);
2720 }
2721
2722 static void opt_start_time(const char *arg)
2723 {
2724 start_time = parse_date(arg, 1);
2725 }
2726
2727 static void opt_rec_timestamp(const char *arg)
2728 {
2729 rec_timestamp = parse_date(arg, 0) / 1000000;
2730 }
2731
2732 static void opt_input_ts_offset(const char *arg)
2733 {
2734 input_ts_offset = parse_date(arg, 1);
2735 }
2736
2737 static void opt_input_file(const char *filename)
2738 {
2739 AVFormatContext *ic;
2740 AVFormatParameters params, *ap = &params;
2741 int err, i, ret, rfps, rfps_base;
2742 int64_t timestamp;
2743
2744 if (!strcmp(filename, "-"))
2745 filename = "pipe:";
2746
2747 using_stdin |= !strcmp(filename, "pipe:" ) ||
2748 !strcmp( filename, "/dev/stdin" );
2749
2750 /* get default parameters from command line */
2751 memset(ap, 0, sizeof(*ap));
2752 ap->sample_rate = audio_sample_rate;
2753 ap->channels = audio_channels;
2754 ap->frame_rate = frame_rate;
2755 ap->frame_rate_base = frame_rate_base;
2756 ap->width = frame_width + frame_padleft + frame_padright;
2757 ap->height = frame_height + frame_padtop + frame_padbottom;
2758 ap->image_format = image_format;
2759 ap->pix_fmt = frame_pix_fmt;
2760
2761 /* open the input file with generic libav function */
2762 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2763 if (err < 0) {
2764 print_error(filename, err);
2765 exit(1);
2766 }
2767
2768 /* If not enough info to get the stream parameters, we decode the
2769 first frames to get it. (used in mpeg case for example) */
2770 ret = av_find_stream_info(ic);
2771 if (ret < 0 && verbose >= 0) {
2772 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2773 exit(1);
2774 }
2775
2776 timestamp = start_time;
2777 /* add the stream start time */
2778 if (ic->start_time != AV_NOPTS_VALUE)
2779 timestamp += ic->start_time;
2780
2781 /* if seeking requested, we execute it */
2782 if (start_time != 0) {
2783 ret = av_seek_frame(ic, -1, timestamp);
2784 if (ret < 0) {
2785 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2786 filename, (double)timestamp / AV_TIME_BASE);
2787 }
2788 /* reset seek info */
2789 start_time = 0;
2790 }
2791
2792 /* update the current parameters so that they match the one of the input stream */
2793 for(i=0;i<ic->nb_streams;i++) {
2794 AVCodecContext *enc = &ic->streams[i]->codec;
2795 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
2796 if(thread_count>1)
2797 avcodec_thread_init(enc, thread_count);
2798 #endif
2799 enc->thread_count= thread_count;
2800 switch(enc->codec_type) {
2801 case CODEC_TYPE_AUDIO:
2802 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2803 audio_channels = enc->channels;
2804 audio_sample_rate = enc->sample_rate;
2805 break;
2806 case CODEC_TYPE_VIDEO:
2807 frame_height = enc->height;
2808 frame_width = enc->width;
2809 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2810 frame_pix_fmt = enc->pix_fmt;
2811 rfps = ic->streams[i]->r_frame_rate;
2812 rfps_base = ic->streams[i]->r_frame_rate_base;
2813 enc->workaround_bugs = workaround_bugs;
2814 enc->error_resilience = error_resilience;
2815 enc->error_concealment = error_concealment;
2816 enc->idct_algo = idct_algo;
2817 enc->debug = debug;
2818 enc->debug_mv = debug_mv;
2819 if(bitexact)
2820 enc->flags|= CODEC_FLAG_BITEXACT;
2821 if(me_threshold)
2822 enc->debug |= FF_DEBUG_MV;
2823
2824 assert(enc->frame_rate_base == rfps_base); // should be true for now
2825 if (enc->frame_rate != rfps) {
2826
2827 if (verbose >= 0)
2828 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n",
2829 i, (float)enc->frame_rate / enc->frame_rate_base,
2830
2831 (float)rfps / rfps_base);
2832 }
2833 /* update the current frame rate to match the stream frame rate */
2834 frame_rate = rfps;
2835 frame_rate_base = rfps_base;
2836
2837 enc->rate_emu = rate_emu;
2838 break;
2839 case CODEC_TYPE_DATA:
2840 break;
2841 default:
2842 av_abort();
2843 }
2844 }
2845
2846 input_files[nb_input_files] = ic;
2847 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2848 /* dump the file content */
2849 if (verbose >= 0)
2850 dump_format(ic, nb_input_files, filename, 0);
2851
2852 nb_input_files++;
2853 file_iformat = NULL;
2854 file_oformat = NULL;
2855 image_format = NULL;
2856
2857 rate_emu = 0;
2858 }
2859
2860 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2861 {
2862 int has_video, has_audio, i, j;
2863 AVFormatContext *ic;
2864
2865 has_video = 0;
2866 has_audio = 0;
2867 for(j=0;j<nb_input_files;j++) {
2868 ic = input_files[j];
2869 for(i=0;i<ic->nb_streams;i++) {
2870 AVCodecContext *enc = &ic->streams[i]->codec;
2871 switch(enc->codec_type) {
2872 case CODEC_TYPE_AUDIO:
2873 has_audio = 1;
2874 break;
2875 case CODEC_TYPE_VIDEO:
2876 has_video = 1;
2877 break;
2878 case CODEC_TYPE_DATA:
2879 break;
2880 default:
2881 av_abort();
2882 }
2883 }
2884 }
2885 *has_video_ptr = has_video;
2886 *has_audio_ptr = has_audio;
2887 }
2888
2889 static void opt_output_file(const char *filename)
2890 {
2891 AVStream *st;
2892 AVFormatContext *oc;
2893 int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
2894 int codec_id;
2895 AVFormatParameters params, *ap = &params;
2896
2897 if (!strcmp(filename, "-"))
2898 filename = "pipe:";
2899
2900 oc = av_alloc_format_context();
2901
2902 if (!file_oformat) {
2903 file_oformat = guess_format(NULL, filename, NULL);
2904 if (!file_oformat) {
2905 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
2906 filename);
2907 exit(1);
2908 }
2909 }
2910
2911 oc->oformat = file_oformat;
2912
2913 if (!strcmp(file_oformat->name, "ffm") &&
2914 strstart(filename, "http:", NULL)) {
2915 /* special case for files sent to ffserver: we get the stream
2916 parameters from ffserver */
2917 if (read_ffserver_streams(oc, filename) < 0) {
2918 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
2919 exit(1);
2920 }
2921 } else {
2922 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy;
2923 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy;
2924
2925 /* disable if no corresponding type found and at least one
2926 input file */
2927 if (nb_input_files > 0) {
2928 check_audio_video_inputs(&input_has_video, &input_has_audio);
2929 if (!input_has_video)
2930 use_video = 0;
2931 if (!input_has_audio)
2932 use_audio = 0;
2933 }
2934
2935 /* manual disable */
2936 if (audio_disable) {
2937 use_audio = 0;
2938 }
2939 if (video_disable) {
2940 use_video = 0;
2941 }
2942
2943 nb_streams = 0;
2944 if (use_video) {
2945 AVCodecContext *video_enc;
2946
2947 st = av_new_stream(oc, nb_streams++);
2948 if (!st) {
2949 fprintf(stderr, "Could not alloc stream\n");
2950 exit(1);
2951 }
2952 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
2953 if(thread_count>1)
2954 avcodec_thread_init(&st->codec, thread_count);
2955 #endif
2956
2957 video_enc = &st->codec;
2958
2959 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
2960 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2961 if (video_stream_copy) {
2962 st->stream_copy = 1;
2963 video_enc->codec_type = CODEC_TYPE_VIDEO;
2964 } else {
2965 char *p;
2966 int i;
2967 AVCodec *codec;
2968
2969 codec_id = file_oformat->video_codec;
2970 if (video_codec_id != CODEC_ID_NONE)
2971 codec_id = video_codec_id;
2972
2973 video_enc->codec_id = codec_id;
2974 codec = avcodec_find_encoder(codec_id);
2975
2976 video_enc->bit_rate = video_bit_rate;
2977 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
2978 video_enc->frame_rate = frame_rate;
2979 video_enc->frame_rate_base = frame_rate_base;
2980 if(codec && codec->supported_framerates){
2981 const AVRational *p= codec->supported_framerates;
2982 AVRational req= (AVRational){frame_rate, frame_rate_base};
2983 const AVRational *best=NULL;
2984 AVRational best_error= (AVRational){INT_MAX, 1};
2985 for(; p->den!=0; p++){
2986 AVRational error= av_sub_q(req, *p);
2987 if(error.num <0) error.num *= -1;
2988 if(av_cmp_q(error, best_error) < 0){
2989 best_error= error;
2990 best= p;
2991 }
2992 }
2993 video_enc->frame_rate = best->num;
2994 video_enc->frame_rate_base= best->den;
2995 }
2996
2997 video_enc->width = frame_width + frame_padright + frame_padleft;
2998 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2999 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3000 video_enc->pix_fmt = frame_pix_fmt;
3001
3002 if(codec && codec->pix_fmts){
3003 const enum PixelFormat *p= codec->pix_fmts;
3004 for(; *p!=-1; p++){
3005 if(*p == video_enc->pix_fmt)
3006 break;
3007 }
3008 if(*p == -1)
3009 video_enc->pix_fmt = codec->pix_fmts[0];
3010 }
3011
3012 if (!intra_only)
3013 video_enc->gop_size = gop_size;
3014 else
3015 video_enc->gop_size = 0;
3016 if (video_qscale || same_quality) {
3017 video_enc->flags |= CODEC_FLAG_QSCALE;
3018 st->quality = FF_QP2LAMBDA * video_qscale;
3019 }
3020
3021 if(intra_matrix)
3022 video_enc->intra_matrix = intra_matrix;
3023 if(inter_matrix)
3024 video_enc->inter_matrix = inter_matrix;
3025
3026 if(bitexact)
3027 video_enc->flags |= CODEC_FLAG_BITEXACT;
3028
3029 video_enc->mb_decision = mb_decision;
3030 video_enc->mb_cmp = mb_cmp;
3031 video_enc->ildct_cmp = ildct_cmp;
3032 video_enc->me_sub_cmp = sub_cmp;
3033 video_enc->me_cmp = cmp;
3034 video_enc->me_pre_cmp = pre_cmp;
3035 video_enc->pre_me = pre_me;
3036 video_enc->lumi_masking = lumi_mask;
3037 video_enc->dark_masking = dark_mask;
3038 video_enc->spatial_cplx_masking = scplx_mask;
3039 video_enc->temporal_cplx_masking = tcplx_mask;
3040 video_enc->p_masking = p_mask;
3041 video_enc->quantizer_noise_shaping= qns;
3042
3043 if (use_umv) {
3044 video_enc->flags |= CODEC_FLAG_H263P_UMV;
3045 }
3046 if (use_ss) {
3047 video_enc->flags |= CODEC_FLAG_H263P_SLICE_STRUCT;
3048 }
3049 if (use_aic) {
3050 video_enc->flags |= CODEC_FLAG_H263P_AIC;
3051 }
3052 if (use_aiv) {
3053 video_enc->flags |= CODEC_FLAG_H263P_AIV;
3054 }
3055 if (use_4mv) {
3056 video_enc->flags |= CODEC_FLAG_4MV;
3057 }
3058 if (use_obmc) {
3059 video_enc->flags |= CODEC_FLAG_OBMC;
3060 }
3061 if (use_loop) {
3062 video_enc->flags |= CODEC_FLAG_LOOP_FILTER;
3063 }
3064
3065 if(use_part) {
3066 video_enc->flags |= CODEC_FLAG_PART;
3067 }
3068 if (use_alt_scan) {
3069 video_enc->flags |= CODEC_FLAG_ALT_SCAN;
3070 }
3071 if (use_trell) {
3072 video_enc->flags |= CODEC_FLAG_TRELLIS_QUANT;
3073 }
3074 if (use_scan_offset) {
3075 video_enc->flags |= CODEC_FLAG_SVCD_SCAN_OFFSET;
3076 }
3077 if (closed_gop) {
3078 video_enc->flags |= CODEC_FLAG_CLOSED_GOP;
3079 }
3080 if (use_qpel) {
3081 video_enc->flags |= CODEC_FLAG_QPEL;
3082 }
3083 if (use_qprd) {
3084 video_enc->flags |= CODEC_FLAG_QP_RD;
3085 }
3086 if (use_cbprd) {
3087 video_enc->flags |= CODEC_FLAG_CBP_RD;
3088 }
3089 if (b_frames) {
3090 video_enc->max_b_frames = b_frames;
3091 video_enc->b_frame_strategy = 0;
3092 video_enc->b_quant_factor = 2.0;
3093 }
3094 if (do_interlace_dct) {
3095 video_enc->flags |= CODEC_FLAG_INTERLACED_DCT;
3096 }
3097 if (do_interlace_me) {
3098 video_enc->flags |= CODEC_FLAG_INTERLACED_ME;
3099 }
3100 video_enc->qmin = video_qmin;
3101 video_enc->qmax = video_qmax;
3102 video_enc->lmin = video_lmin;
3103 video_enc->lmax = video_lmax;
3104 video_enc->mb_qmin = video_mb_qmin;
3105 video_enc->mb_qmax = video_mb_qmax;
3106 video_enc->max_qdiff = video_qdiff;
3107 video_enc->qblur = video_qblur;
3108 video_enc->qcompress = video_qcomp;
3109 video_enc->rc_eq = video_rc_eq;
3110 video_enc->debug = debug;
3111 video_enc->debug_mv = debug_mv;
3112 video_enc->thread_count = thread_count;
3113 p= video_rc_override_string;
3114 for(i=0; p; i++){
3115 int start, end, q;
3116 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3117 if(e!=3){
3118 fprintf(stderr, "error parsing rc_override\n");
3119 exit(1);
3120 }
3121 video_enc->rc_override=
3122 av_realloc(video_enc->rc_override,
3123 sizeof(RcOverride)*(i+1));
3124 video_enc->rc_override[i].start_frame= start;
3125 video_enc->rc_override[i].end_frame = end;
3126 if(q>0){
3127 video_enc->rc_override[i].qscale= q;
3128 video_enc->rc_override[i].quality_factor= 1.0;
3129 }
3130 else{
3131 video_enc->rc_override[i].qscale= 0;
3132 video_enc->rc_override[i].quality_factor= -q/100.0;
3133 }
3134 p= strchr(p, '/');
3135 if(p) p++;
3136 }
3137 video_enc->rc_override_count=i;
3138
3139 video_enc->rc_max_rate = video_rc_max_rate;
3140 video_enc->rc_min_rate = video_rc_min_rate;
3141 video_enc->rc_buffer_size = video_rc_buffer_size;
3142 video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
3143 video_enc->rc_initial_cplx= video_rc_initial_cplx;
3144 video_enc->i_quant_factor = video_i_qfactor;
3145 video_enc->b_quant_factor = video_b_qfactor;
3146 video_enc->i_quant_offset = video_i_qoffset;
3147 video_enc->b_quant_offset = video_b_qoffset;
3148 video_enc->intra_quant_bias = video_intra_quant_bias;
3149 video_enc->inter_quant_bias = video_inter_quant_bias;
3150 video_enc->dct_algo = dct_algo;
3151 video_enc->idct_algo = idct_algo;
3152 video_enc->me_threshold= me_threshold;
3153 video_enc->mb_threshold= mb_threshold;
3154 video_enc->intra_dc_precision= intra_dc_precision - 8;
3155 video_enc->strict_std_compliance = strict;
3156 video_enc->error_rate = error_rate;
3157 video_enc->noise_reduction= noise_reduction;
3158 video_enc->scenechange_threshold= sc_threshold;
3159 video_enc->me_range = me_range;
3160 video_enc->coder_type= coder;
3161 video_enc->context_model= context;
3162 video_enc->prediction_method= predictor;
3163 video_enc->profile= video_profile;
3164 video_enc->level= video_level;
3165 video_enc->nsse_weight= nsse_weight;
3166
3167 if(packet_size){
3168 video_enc->rtp_mode= 1;
3169 video_enc->rtp_payload_size= packet_size;
3170 }
3171
3172 if (do_psnr)
3173 video_enc->flags|= CODEC_FLAG_PSNR;
3174
3175 video_enc->me_method = me_method;
3176
3177 /* two pass mode */
3178 if (do_pass) {
3179 if (do_pass == 1) {
3180 video_enc->flags |= CODEC_FLAG_PASS1;
3181 } else {
3182 video_enc->flags |= CODEC_FLAG_PASS2;
3183 }
3184 }
3185 }
3186 }
3187
3188 if (use_audio) {
3189 AVCodecContext *audio_enc;
3190
3191 st = av_new_stream(oc, nb_streams++);
3192 if (!st) {
3193 fprintf(stderr, "Could not alloc stream\n");
3194 exit(1);
3195 }
3196 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
3197 if(thread_count>1)
3198 avcodec_thread_init(&st->codec, thread_count);
3199 #endif
3200
3201 audio_enc = &st->codec;
3202 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3203
3204 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
3205 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3206 if (audio_stream_copy) {
3207 st->stream_copy = 1;
3208 audio_enc->channels = audio_channels;
3209 } else {
3210 codec_id = file_oformat->audio_codec;
3211 if (audio_codec_id != CODEC_ID_NONE)
3212 codec_id = audio_codec_id;
3213 audio_enc->codec_id = codec_id;
3214
3215 audio_enc->bit_rate = audio_bit_rate;
3216 audio_enc->strict_std_compliance = strict;
3217 audio_enc->thread_count = thread_count;
3218 /* For audio codecs other than AC3 or DTS we limit */
3219 /* the number of coded channels to stereo */
3220 if (audio_channels > 2 && codec_id != CODEC_ID_AC3
3221 && codec_id != CODEC_ID_DTS) {
3222 audio_enc->channels = 2;
3223 } else
3224 audio_enc->channels = audio_channels;
3225 }
3226 audio_enc->sample_rate = audio_sample_rate;
3227 }
3228
3229 oc->nb_streams = nb_streams;
3230
3231 if (!nb_streams) {
3232 fprintf(stderr, "No audio or video streams available\n");
3233 exit(1);
3234 }
3235
3236 oc->timestamp = rec_timestamp;
3237
3238 if (str_title)
3239 pstrcpy(oc->title, sizeof(oc->title), str_title);
3240 if (str_author)
3241 pstrcpy(oc->author, sizeof(oc->author), str_author);
3242 if (str_copyright)
3243 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
3244 if (str_comment)
3245 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
3246 }
3247
3248 output_files[nb_output_files++] = oc;
3249
3250 strcpy(oc->filename, filename);
3251
3252 /* check filename in case of an image number is expected */
3253 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3254 if (filename_number_test(oc->filename) < 0) {
3255 print_error(oc->filename, AVERROR_NUMEXPECTED);
3256 exit(1);
3257 }
3258 }
3259
3260 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3261 /* test if it already exists to avoid loosing precious files */
3262 if (!file_overwrite &&
3263 (strchr(filename, ':') == NULL ||
3264 strstart(filename, "file:", NULL))) {
3265 if (url_exist(filename)) {
3266 int c;
3267
3268 if ( !using_stdin ) {
3269 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3270 fflush(stderr);
3271 c = getchar();
3272 if (toupper(c) != 'Y') {
3273 fprintf(stderr, "Not overwriting - exiting\n");
3274 exit(1);
3275 }
3276 }
3277 else {
3278 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3279 exit(1);
3280 }
3281 }
3282 }
3283
3284 /* open the file */
3285 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3286 fprintf(stderr, "Could not open '%s'\n", filename);
3287 exit(1);
3288 }
3289 }
3290
3291 memset(ap, 0, sizeof(*ap));
3292 ap->image_format = image_format;
3293 if (av_set_parameters(oc, ap) < 0) {
3294 fprintf(stderr, "%s: Invalid encoding parameters\n",
3295 oc->filename);
3296 exit(1);
3297 }
3298
3299 /* reset some options */
3300 file_oformat = NULL;
3301 file_iformat = NULL;
3302 image_format = NULL;
3303 audio_disable = 0;
3304 video_disable = 0;
3305 audio_codec_id = CODEC_ID_NONE;
3306 video_codec_id = CODEC_ID_NONE;
3307 audio_stream_copy = 0;
3308 video_stream_copy = 0;
3309 }
3310
3311 /* prepare dummy protocols for grab */
3312 static void prepare_grab(void)
3313 {
3314 int has_video, has_audio, i, j;
3315 AVFormatContext *oc;
3316 AVFormatContext *ic;
3317 AVFormatParameters vp1, *vp = &vp1;