credits for Michel Bardiaux
[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 video_codec_tag = 0;
137 static int same_quality = 0;
138 static int b_frames = 0;
139 static int mb_decision = FF_MB_DECISION_SIMPLE;
140 static int ildct_cmp = FF_CMP_VSAD;
141 static int mb_cmp = FF_CMP_SAD;
142 static int sub_cmp = FF_CMP_SAD;
143 static int cmp = FF_CMP_SAD;
144 static int pre_cmp = FF_CMP_SAD;
145 static int pre_me = 0;
146 static float lumi_mask = 0;
147 static float dark_mask = 0;
148 static float scplx_mask = 0;
149 static float tcplx_mask = 0;
150 static float p_mask = 0;
151 static int use_4mv = 0;
152 static int use_obmc = 0;
153 static int use_loop = 0;
154 static int use_aic = 0;
155 static int use_aiv = 0;
156 static int use_umv = 0;
157 static int use_ss = 0;
158 static int use_alt_scan = 0;
159 static int use_trell = 0;
160 static int use_scan_offset = 0;
161 static int use_qpel = 0;
162 static int use_qprd = 0;
163 static int use_cbprd = 0;
164 static int qns = 0;
165 static int closed_gop = 0;
166 static int strict_gop = 0;
167 static int do_deinterlace = 0;
168 static int do_interlace_dct = 0;
169 static int do_interlace_me = 0;
170 static int workaround_bugs = FF_BUG_AUTODETECT;
171 static int error_resilience = 2;
172 static int error_concealment = 3;
173 static int dct_algo = 0;
174 static int idct_algo = 0;
175 static int use_part = 0;
176 static int packet_size = 0;
177 static int error_rate = 0;
178 static int strict = 0;
179 static int top_field_first = -1;
180 static int noise_reduction = 0;
181 static int sc_threshold = 0;
182 static int debug = 0;
183 static int debug_mv = 0;
184 static int me_threshold = 0;
185 static int mb_threshold = 0;
186 static int intra_dc_precision = 8;
187 static int coder = 0;
188 static int context = 0;
189 static int predictor = 0;
190 static int video_profile = FF_PROFILE_UNKNOWN;
191 static int video_level = FF_LEVEL_UNKNOWN;
192 static int nsse_weight = 8;
193 static int subpel_quality= 8;
194 static int lowres= 0;
195 extern int loop_input; /* currently a hack */
196
197 static int gop_size = 12;
198 static int intra_only = 0;
199 static int audio_sample_rate = 44100;
200 static int audio_bit_rate = 64000;
201 static int audio_disable = 0;
202 static int audio_channels = 1;
203 static int audio_codec_id = CODEC_ID_NONE;
204 static int audio_codec_tag = 0;
205
206 static int mux_rate= 0;
207 static int mux_packet_size= 0;
208 static float mux_preload= 0.5;
209 static float mux_max_delay= 0.7;
210
211 static int64_t recording_time = 0;
212 static int64_t start_time = 0;
213 static int64_t rec_timestamp = 0;
214 static int64_t input_ts_offset = 0;
215 static int file_overwrite = 0;
216 static char *str_title = NULL;
217 static char *str_author = NULL;
218 static char *str_copyright = NULL;
219 static char *str_comment = NULL;
220 static int do_benchmark = 0;
221 static int do_hex_dump = 0;
222 static int do_pkt_dump = 0;
223 static int do_psnr = 0;
224 static int do_vstats = 0;
225 static int do_pass = 0;
226 static int bitexact = 0;
227 static char *pass_logfilename = NULL;
228 static int audio_stream_copy = 0;
229 static int video_stream_copy = 0;
230 static int video_sync_method= 1;
231 static int audio_sync_method= 0;
232 static int copy_ts= 0;
233
234 static int rate_emu = 0;
235
236 static char *video_grab_format = "video4linux";
237 static char *video_device = NULL;
238 static char *grab_device = NULL;
239 static int video_channel = 0;
240 static char *video_standard = "ntsc";
241
242 static char *audio_grab_format = "audio_device";
243 static char *audio_device = NULL;
244
245 static int using_stdin = 0;
246 static int using_vhook = 0;
247 static int verbose = 1;
248 static int thread_count= 1;
249 static int q_pressed = 0;
250 static int me_range = 0;
251 static int64_t video_size = 0;
252 static int64_t audio_size = 0;
253 static int64_t extra_size = 0;
254 static int nb_frames_dup = 0;
255 static int nb_frames_drop = 0;
256 static int input_sync;
257
258 static int pgmyuv_compatibility_hack=0;
259
260
261 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
262
263 typedef struct AVOutputStream {
264 int file_index; /* file index */
265 int index; /* stream index in the output file */
266 int source_index; /* AVInputStream index */
267 AVStream *st; /* stream in the output file */
268 int encoding_needed; /* true if encoding needed for this stream */
269 int frame_number;
270 /* input pts and corresponding output pts
271 for A/V sync */
272 double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
273 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
274 /* video only */
275 int video_resample; /* video_resample and video_crop are mutually exclusive */
276 AVFrame pict_tmp; /* temporary image for resampling */
277 ImgReSampleContext *img_resample_ctx; /* for image resampling */
278
279 int video_crop; /* video_resample and video_crop are mutually exclusive */
280 int topBand; /* cropping area sizes */
281 int leftBand;
282
283 int video_pad; /* video_resample and video_pad are mutually exclusive */
284 int padtop; /* padding area sizes */
285 int padbottom;
286 int padleft;
287 int padright;
288
289 /* audio only */
290 int audio_resample;
291 ReSampleContext *resample; /* for audio resampling */
292 FifoBuffer fifo; /* for compression: one audio fifo per codec */
293 FILE *logfile;
294 } AVOutputStream;
295
296 typedef struct AVInputStream {
297 int file_index;
298 int index;
299 AVStream *st;
300 int discard; /* true if stream data should be discarded */
301 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
302 int64_t sample_index; /* current sample */
303
304 int64_t start; /* time when read started */
305 unsigned long frame; /* current frame */
306 int64_t next_pts; /* synthetic pts for cases where pkt.pts
307 is not defined */
308 int64_t pts; /* current pts */
309 int is_start; /* is 1 at the start and after a discontinuity */
310 } AVInputStream;
311
312 typedef struct AVInputFile {
313 int eof_reached; /* true if eof reached */
314 int ist_index; /* index of first stream in ist_table */
315 int buffer_size; /* current total buffer size */
316 int buffer_size_max; /* buffer size at which we consider we can stop
317 buffering */
318 int nb_streams; /* nb streams we are aware of */
319 } AVInputFile;
320
321 #ifndef CONFIG_WIN32
322
323 /* init terminal so that we can grab keys */
324 static struct termios oldtty;
325
326 static void term_exit(void)
327 {
328 tcsetattr (0, TCSANOW, &oldtty);
329 }
330
331 static volatile sig_atomic_t received_sigterm = 0;
332
333 static void
334 sigterm_handler(int sig)
335 {
336 received_sigterm = sig;
337 term_exit();
338 }
339
340 static void term_init(void)
341 {
342 struct termios tty;
343
344 tcgetattr (0, &tty);
345 oldtty = tty;
346
347 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
348 |INLCR|IGNCR|ICRNL|IXON);
349 tty.c_oflag |= OPOST;
350 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
351 tty.c_cflag &= ~(CSIZE|PARENB);
352 tty.c_cflag |= CS8;
353 tty.c_cc[VMIN] = 1;
354 tty.c_cc[VTIME] = 0;
355
356 tcsetattr (0, TCSANOW, &tty);
357
358 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
359 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
360 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
361 /*
362 register a function to be called at normal program termination
363 */
364 atexit(term_exit);
365 #ifdef CONFIG_BEOS_NETSERVER
366 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
367 #endif
368 }
369
370 /* read a key without blocking */
371 static int read_key(void)
372 {
373 int n = 1;
374 unsigned char ch;
375 #ifndef CONFIG_BEOS_NETSERVER
376 struct timeval tv;
377 fd_set rfds;
378
379 FD_ZERO(&rfds);
380 FD_SET(0, &rfds);
381 tv.tv_sec = 0;
382 tv.tv_usec = 0;
383 n = select(1, &rfds, NULL, NULL, &tv);
384 #endif
385 if (n > 0) {
386 n = read(0, &ch, 1);
387 if (n == 1)
388 return ch;
389
390 return n;
391 }
392 return -1;
393 }
394
395 static int decode_interrupt_cb(void)
396 {
397 return q_pressed || (q_pressed = read_key() == 'q');
398 }
399
400 #else
401
402 static volatile int received_sigterm = 0;
403
404 /* no interactive support */
405 static void term_exit(void)
406 {
407 }
408
409 static void term_init(void)
410 {
411 }
412
413 static int read_key(void)
414 {
415 return 0;
416 }
417
418 #endif
419
420 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
421 {
422 int i, err;
423 AVFormatContext *ic;
424
425 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
426 if (err < 0)
427 return err;
428 /* copy stream format */
429 s->nb_streams = ic->nb_streams;
430 for(i=0;i<ic->nb_streams;i++) {
431 AVStream *st;
432
433 st = av_mallocz(sizeof(AVStream));
434 memcpy(st, ic->streams[i], sizeof(AVStream));
435 s->streams[i] = st;
436 }
437
438 av_close_input_file(ic);
439 return 0;
440 }
441
442 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
443
444 static void do_audio_out(AVFormatContext *s,
445 AVOutputStream *ost,
446 AVInputStream *ist,
447 unsigned char *buf, int size)
448 {
449 uint8_t *buftmp;
450 static uint8_t *audio_buf = NULL;
451 static uint8_t *audio_out = NULL;
452 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
453
454 int size_out, frame_bytes, ret;
455 AVCodecContext *enc= &ost->st->codec;
456
457 /* SC: dynamic allocation of buffers */
458 if (!audio_buf)
459 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
460 if (!audio_out)
461 audio_out = av_malloc(audio_out_size);
462 if (!audio_buf || !audio_out)
463 return; /* Should signal an error ! */
464
465 if(audio_sync_method){
466 double delta = ost->sync_ipts * enc->sample_rate - ost->sync_opts
467 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2);
468 double idelta= delta*ist->st->codec.sample_rate / enc->sample_rate;
469 int byte_delta= ((int)idelta)*2*ist->st->codec.channels;
470
471 //FIXME resample delay
472 if(fabs(delta) > 50){
473 if(ist->is_start){
474 if(byte_delta < 0){
475 byte_delta= FFMAX(byte_delta, -size);
476 size += byte_delta;
477 buf -= byte_delta;
478 if(verbose > 2)
479 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
480 if(!size)
481 return;
482 ist->is_start=0;
483 }else{
484 static uint8_t *input_tmp= NULL;
485 input_tmp= av_realloc(input_tmp, byte_delta + size);
486
487 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
488 ist->is_start=0;
489 else
490 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
491
492 memset(input_tmp, 0, byte_delta);
493 memcpy(input_tmp + byte_delta, buf, size);
494 buf= input_tmp;
495 size += byte_delta;
496 if(verbose > 2)
497 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
498 }
499 }else if(audio_sync_method>1){
500 int comp= clip(delta, -audio_sync_method, audio_sync_method);
501 assert(ost->audio_resample);
502 if(verbose > 2)
503 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
504 // 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));
505 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
506 }
507 }
508 }else
509 ost->sync_opts= lrintf(ost->sync_ipts * enc->sample_rate)
510 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2); //FIXME wrong
511
512 if (ost->audio_resample) {
513 buftmp = audio_buf;
514 size_out = audio_resample(ost->resample,
515 (short *)buftmp, (short *)buf,
516 size / (ist->st->codec.channels * 2));
517 size_out = size_out * enc->channels * 2;
518 } else {
519 buftmp = buf;
520 size_out = size;
521 }
522
523 /* now encode as many frames as possible */
524 if (enc->frame_size > 1) {
525 /* output resampled raw samples */
526 fifo_write(&ost->fifo, buftmp, size_out,
527 &ost->fifo.wptr);
528
529 frame_bytes = enc->frame_size * 2 * enc->channels;
530
531 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
532 &ost->fifo.rptr) == 0) {
533 AVPacket pkt;
534 av_init_packet(&pkt);
535
536 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
537 (short *)audio_buf);
538 audio_size += ret;
539 pkt.stream_index= ost->index;
540 pkt.data= audio_out;
541 pkt.size= ret;
542 if(enc->coded_frame)
543 pkt.pts= enc->coded_frame->pts;
544 pkt.flags |= PKT_FLAG_KEY;
545 av_interleaved_write_frame(s, &pkt);
546
547 ost->sync_opts += enc->frame_size;
548 }
549 } else {
550 AVPacket pkt;
551 av_init_packet(&pkt);
552
553 ost->sync_opts += size_out / (2 * enc->channels);
554
555 /* output a pcm frame */
556 /* XXX: change encoding codec API to avoid this ? */
557 switch(enc->codec->id) {
558 case CODEC_ID_PCM_S16LE:
559 case CODEC_ID_PCM_S16BE:
560 case CODEC_ID_PCM_U16LE:
561 case CODEC_ID_PCM_U16BE:
562 break;
563 default:
564 size_out = size_out >> 1;
565 break;
566 }
567 ret = avcodec_encode_audio(enc, audio_out, size_out,
568 (short *)buftmp);
569 audio_size += ret;
570 pkt.stream_index= ost->index;
571 pkt.data= audio_out;
572 pkt.size= ret;
573 if(enc->coded_frame)
574 pkt.pts= enc->coded_frame->pts;
575 pkt.flags |= PKT_FLAG_KEY;
576 av_interleaved_write_frame(s, &pkt);
577 }
578 }
579
580 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
581 {
582 AVCodecContext *dec;
583 AVPicture *picture2;
584 AVPicture picture_tmp;
585 uint8_t *buf = 0;
586
587 dec = &ist->st->codec;
588
589 /* deinterlace : must be done before any resize */
590 if (do_deinterlace || using_vhook) {
591 int size;
592
593 /* create temporary picture */
594 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
595 buf = av_malloc(size);
596 if (!buf)
597 return;
598
599 picture2 = &picture_tmp;
600 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
601
602 if (do_deinterlace){
603 if(avpicture_deinterlace(picture2, picture,
604 dec->pix_fmt, dec->width, dec->height) < 0) {
605 /* if error, do not deinterlace */
606 av_free(buf);
607 buf = NULL;
608 picture2 = picture;
609 }
610 } else {
611 if (img_convert(picture2, dec->pix_fmt, picture,
612 dec->pix_fmt, dec->width, dec->height) < 0) {
613 /* if error, do not copy */
614 av_free(buf);
615 buf = NULL;
616 picture2 = picture;
617 }
618 }
619 } else {
620 picture2 = picture;
621 }
622
623 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
624
625 if (picture != picture2)
626 *picture = *picture2;
627 *bufp = buf;
628 }
629
630 /* we begin to correct av delay at this threshold */
631 #define AV_DELAY_MAX 0.100
632
633
634 /* Expects img to be yuv420 */
635 static void fill_pad_region(AVPicture* img, int height, int width,
636 int padtop, int padbottom, int padleft, int padright, int *color) {
637
638 int i, y, shift;
639 uint8_t *optr;
640
641 for (i = 0; i < 3; i++) {
642 shift = (i == 0) ? 0 : 1;
643
644 if (padtop || padleft) {
645 memset(img->data[i], color[i], (((img->linesize[i] * padtop) +
646 padleft) >> shift));
647 }
648
649 if (padleft || padright) {
650 optr = img->data[i] + (img->linesize[i] * (padtop >> shift)) +
651 (img->linesize[i] - (padright >> shift));
652
653 for (y = 0; y < ((height - (padtop + padbottom)) >> shift); y++) {
654 memset(optr, color[i], (padleft + padright) >> shift);
655 optr += img->linesize[i];
656 }
657 }
658
659 if (padbottom) {
660 optr = img->data[i] + (img->linesize[i] * ((height - padbottom) >> shift));
661 memset(optr, color[i], ((img->linesize[i] * padbottom) >> shift));
662 }
663 }
664 }
665
666 static uint8_t *bit_buffer= NULL;
667
668 static void do_video_out(AVFormatContext *s,
669 AVOutputStream *ost,
670 AVInputStream *ist,
671 AVFrame *in_picture,
672 int *frame_size)
673 {
674 int nb_frames, i, ret;
675 AVFrame *final_picture, *formatted_picture;
676 AVFrame picture_format_temp, picture_crop_temp;
677 uint8_t *buf = NULL, *buf1 = NULL;
678 AVCodecContext *enc, *dec;
679 enum PixelFormat target_pixfmt;
680
681 #define VIDEO_BUFFER_SIZE (1024*1024)
682
683 avcodec_get_frame_defaults(&picture_format_temp);
684 avcodec_get_frame_defaults(&picture_crop_temp);
685
686 enc = &ost->st->codec;
687 dec = &ist->st->codec;
688
689 /* by default, we output a single frame */
690 nb_frames = 1;
691
692 *frame_size = 0;
693
694 if(video_sync_method){
695 double vdelta;
696 vdelta = ost->sync_ipts * enc->frame_rate / enc->frame_rate_base - ost->sync_opts;
697 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
698 if (vdelta < -1.1)
699 nb_frames = 0;
700 else if (vdelta > 1.1)
701 nb_frames = lrintf(vdelta);
702 //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);
703 if (nb_frames == 0){
704 ++nb_frames_drop;
705 if (verbose>2)
706 fprintf(stderr, "*** drop!\n");
707 }else if (nb_frames > 1) {
708 nb_frames_dup += nb_frames;
709 if (verbose>2)
710 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
711 }
712 }else
713 ost->sync_opts= lrintf(ost->sync_ipts * enc->frame_rate / enc->frame_rate_base);
714
715 if (nb_frames <= 0)
716 return;
717
718 /* convert pixel format if needed */
719 target_pixfmt = ost->video_resample || ost->video_pad
720 ? PIX_FMT_YUV420P : enc->pix_fmt;
721 if (dec->pix_fmt != target_pixfmt) {
722 int size;
723
724 /* create temporary picture */
725 size = avpicture_get_size(target_pixfmt, dec->width, dec->height);
726 buf = av_malloc(size);
727 if (!buf)
728 return;
729 formatted_picture = &picture_format_temp;
730 avpicture_fill((AVPicture*)formatted_picture, buf, target_pixfmt, dec->width, dec->height);
731
732 if (img_convert((AVPicture*)formatted_picture, target_pixfmt,
733 (AVPicture *)in_picture, dec->pix_fmt,
734 dec->width, dec->height) < 0) {
735
736 if (verbose >= 0)
737 fprintf(stderr, "pixel format conversion not handled\n");
738
739 goto the_end;
740 }
741 } else {
742 formatted_picture = in_picture;
743 }
744
745 /* XXX: resampling could be done before raw format conversion in
746 some cases to go faster */
747 /* XXX: only works for YUV420P */
748 if (ost->video_resample) {
749 final_picture = &ost->pict_tmp;
750 img_resample(ost->img_resample_ctx, (AVPicture*)final_picture, (AVPicture*)formatted_picture);
751
752 if (ost->padtop || ost->padbottom || ost->padleft || ost->padright) {
753 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
754 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
755 padcolor);
756 }
757
758 if (enc->pix_fmt != PIX_FMT_YUV420P) {
759 int size;
760
761 av_free(buf);
762 /* create temporary picture */
763 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
764 buf = av_malloc(size);
765 if (!buf)
766 return;
767 final_picture = &picture_format_temp;
768 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
769
770 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
771 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
772 enc->width, enc->height) < 0) {
773
774 if (verbose >= 0)
775 fprintf(stderr, "pixel format conversion not handled\n");
776
777 goto the_end;
778 }
779 }
780 } else if (ost->video_crop) {
781 picture_crop_temp.data[0] = formatted_picture->data[0] +
782 (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
783
784 picture_crop_temp.data[1] = formatted_picture->data[1] +
785 ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
786 (ost->leftBand >> 1);
787
788 picture_crop_temp.data[2] = formatted_picture->data[2] +
789 ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
790 (ost->leftBand >> 1);
791
792 picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
793 picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
794 picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
795 final_picture = &picture_crop_temp;
796 } else if (ost->video_pad) {
797 final_picture = &ost->pict_tmp;
798
799 for (i = 0; i < 3; i++) {
800 uint8_t *optr, *iptr;
801 int shift = (i == 0) ? 0 : 1;
802 int y, yheight;
803
804 /* set offset to start writing image into */
805 optr = final_picture->data[i] + (((final_picture->linesize[i] *
806 ost->padtop) + ost->padleft) >> shift);
807 iptr = formatted_picture->data[i];
808
809 yheight = (enc->height - ost->padtop - ost->padbottom) >> shift;
810 for (y = 0; y < yheight; y++) {
811 /* copy unpadded image row into padded image row */
812 memcpy(optr, iptr, formatted_picture->linesize[i]);
813 optr += final_picture->linesize[i];
814 iptr += formatted_picture->linesize[i];
815 }
816 }
817
818 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
819 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
820 padcolor);
821
822 if (enc->pix_fmt != PIX_FMT_YUV420P) {
823 int size;
824
825 av_free(buf);
826 /* create temporary picture */
827 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
828 buf = av_malloc(size);
829 if (!buf)
830 return;
831 final_picture = &picture_format_temp;
832 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
833
834 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
835 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
836 enc->width, enc->height) < 0) {
837
838 if (verbose >= 0)
839 fprintf(stderr, "pixel format conversion not handled\n");
840
841 goto the_end;
842 }
843 }
844 } else {
845 final_picture = formatted_picture;
846 }
847 /* duplicates frame if needed */
848 for(i=0;i<nb_frames;i++) {
849 AVPacket pkt;
850 av_init_packet(&pkt);
851 pkt.stream_index= ost->index;
852
853 if (s->oformat->flags & AVFMT_RAWPICTURE) {
854 /* raw pictures are written as AVPicture structure to
855 avoid any copies. We support temorarily the older
856 method. */
857 AVFrame* old_frame = enc->coded_frame;
858 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
859 pkt.data= (uint8_t *)final_picture;
860 pkt.size= sizeof(AVPicture);
861 if(dec->coded_frame)
862 pkt.pts= dec->coded_frame->pts;
863 if(dec->coded_frame && dec->coded_frame->key_frame)
864 pkt.flags |= PKT_FLAG_KEY;
865
866 av_interleaved_write_frame(s, &pkt);
867 enc->coded_frame = old_frame;
868 } else {
869 AVFrame big_picture;
870
871 big_picture= *final_picture;
872 /* better than nothing: use input picture interlaced
873 settings */
874 big_picture.interlaced_frame = in_picture->interlaced_frame;
875 if(do_interlace_me || do_interlace_dct){
876 if(top_field_first == -1)
877 big_picture.top_field_first = in_picture->top_field_first;
878 else
879 big_picture.top_field_first = top_field_first;
880 }
881
882 /* handles sameq here. This is not correct because it may
883 not be a global option */
884 if (same_quality) {
885 big_picture.quality = ist->st->quality;
886 }else
887 big_picture.quality = ost->st->quality;
888 if(!me_threshold)
889 big_picture.pict_type = 0;
890 // big_picture.pts = AV_NOPTS_VALUE;
891 big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->frame_rate_base, enc->frame_rate);
892 //av_log(NULL, AV_LOG_DEBUG, "%lld -> encoder\n", ost->sync_opts);
893 ret = avcodec_encode_video(enc,
894 bit_buffer, VIDEO_BUFFER_SIZE,
895 &big_picture);
896 //enc->frame_number = enc->real_pict_num;
897 if(ret){
898 pkt.data= bit_buffer;
899 pkt.size= ret;
900 if(enc->coded_frame)
901 pkt.pts= enc->coded_frame->pts;
902 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %lld/%lld\n",
903 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->frame_rate, AV_TIME_BASE*(int64_t)enc->frame_rate_base) : -1,
904 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->frame_rate, AV_TIME_BASE*(int64_t)enc->frame_rate_base) : -1);*/
905
906 if(enc->coded_frame && enc->coded_frame->key_frame)
907 pkt.flags |= PKT_FLAG_KEY;
908 av_interleaved_write_frame(s, &pkt);
909 *frame_size = ret;
910 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
911 // enc->frame_number-1, enc->real_pict_num, ret,
912 // enc->pict_type);
913 /* if two pass, output log */
914 if (ost->logfile && enc->stats_out) {
915 fprintf(ost->logfile, "%s", enc->stats_out);
916 }
917 }
918 }
919 ost->sync_opts++;
920 ost->frame_number++;
921 }
922 the_end:
923 av_free(buf);
924 av_free(buf1);
925 }
926
927 static double psnr(double d){
928 if(d==0) return INFINITY;
929 return -10.0*log(d)/log(10.0);
930 }
931
932 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
933 int frame_size)
934 {
935 static FILE *fvstats=NULL;
936 char filename[40];
937 time_t today2;
938 struct tm *today;
939 AVCodecContext *enc;
940 int frame_number;
941 int64_t ti;
942 double ti1, bitrate, avg_bitrate;
943
944 if (!fvstats) {
945 today2 = time(NULL);
946 today = localtime(&today2);
947 sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour,
948 today->tm_min,
949 today->tm_sec);
950 fvstats = fopen(filename,"w");
951 if (!fvstats) {
952 perror("fopen");
953 exit(1);
954 }
955 }
956
957 ti = MAXINT64;
958 enc = &ost->st->codec;
959 if (enc->codec_type == CODEC_TYPE_VIDEO) {
960 frame_number = ost->frame_number;
961 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
962 if (enc->flags&CODEC_FLAG_PSNR)
963 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
964
965 fprintf(fvstats,"f_size= %6d ", frame_size);
966 /* compute pts value */
967 ti1 = (double)ost->sync_opts *enc->frame_rate_base / enc->frame_rate;
968 if (ti1 < 0.01)
969 ti1 = 0.01;
970
971 bitrate = (double)(frame_size * 8) * enc->frame_rate / enc->frame_rate_base / 1000.0;
972 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
973 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
974 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
975 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
976 }
977 }
978
979 static void print_report(AVFormatContext **output_files,
980 AVOutputStream **ost_table, int nb_ostreams,
981 int is_last_report)
982 {
983 char buf[1024];
984 AVOutputStream *ost;
985 AVFormatContext *oc, *os;
986 int64_t total_size;
987 AVCodecContext *enc;
988 int frame_number, vid, i;
989 double bitrate, ti1, pts;
990 static int64_t last_time = -1;
991
992 if (!is_last_report) {
993 int64_t cur_time;
994 /* display the report every 0.5 seconds */
995 cur_time = av_gettime();
996 if (last_time == -1) {
997 last_time = cur_time;
998 return;
999 }
1000 if ((cur_time - last_time) < 500000)
1001 return;
1002 last_time = cur_time;
1003 }
1004
1005
1006 oc = output_files[0];
1007
1008 total_size = url_ftell(&oc->pb);
1009
1010 buf[0] = '\0';
1011 ti1 = 1e10;
1012 vid = 0;
1013 for(i=0;i<nb_ostreams;i++) {
1014 ost = ost_table[i];
1015 os = output_files[ost->file_index];
1016 enc = &ost->st->codec;
1017 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1018 sprintf(buf + strlen(buf), "q=%2.1f ",
1019 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1020 }
1021 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1022 frame_number = ost->frame_number;
1023 sprintf(buf + strlen(buf), "frame=%5d q=%2.1f ",
1024 frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : 0);
1025 if(is_last_report)
1026 sprintf(buf + strlen(buf), "L");
1027 if (enc->flags&CODEC_FLAG_PSNR){
1028 int j;
1029 double error, error_sum=0;
1030 double scale, scale_sum=0;
1031 char type[3]= {'Y','U','V'};
1032 sprintf(buf + strlen(buf), "PSNR=");
1033 for(j=0; j<3; j++){
1034 if(is_last_report){
1035 error= enc->error[j];
1036 scale= enc->width*enc->height*255.0*255.0*frame_number;
1037 }else{
1038 error= enc->coded_frame->error[j];
1039 scale= enc->width*enc->height*255.0*255.0;
1040 }
1041 if(j) scale/=4;
1042 error_sum += error;
1043 scale_sum += scale;
1044 sprintf(buf + strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1045 }
1046 sprintf(buf + strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1047 }
1048 vid = 1;
1049 }
1050 /* compute min output value */
1051 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1052 if ((pts < ti1) && (pts > 0))
1053 ti1 = pts;
1054 }
1055 if (ti1 < 0.01)
1056 ti1 = 0.01;
1057
1058 if (verbose || is_last_report) {
1059 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1060
1061 sprintf(buf + strlen(buf),
1062 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1063 (double)total_size / 1024, ti1, bitrate);
1064
1065 if (verbose > 1)
1066 sprintf(buf + strlen(buf), " dup=%d drop=%d",
1067 nb_frames_dup, nb_frames_drop);
1068
1069 if (verbose >= 0)
1070 fprintf(stderr, "%s \r", buf);
1071
1072 fflush(stderr);
1073 }
1074
1075 if (is_last_report && verbose >= 0){
1076 int64_t raw= audio_size + video_size + extra_size;
1077 fprintf(stderr, "\n");
1078 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1079 video_size/1024.0,
1080 audio_size/1024.0,
1081 extra_size/1024.0,
1082 100.0*(total_size - raw)/raw
1083 );
1084 }
1085 }
1086
1087 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1088 static int output_packet(AVInputStream *ist, int ist_index,
1089 AVOutputStream **ost_table, int nb_ostreams,
1090 const AVPacket *pkt)
1091 {
1092 AVFormatContext *os;
1093 AVOutputStream *ost;
1094 uint8_t *ptr;
1095 int len, ret, i;
1096 uint8_t *data_buf;
1097 int data_size, got_picture;
1098 AVFrame picture;
1099 void *buffer_to_free;
1100 static int samples_size= 0;
1101 static short *samples= NULL;
1102
1103 if(!pkt){
1104 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1105 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1106 ist->next_pts = ist->pts = pkt->dts;
1107 } else {
1108 assert(ist->pts == ist->next_pts);
1109 }
1110
1111 if (pkt == NULL) {
1112 /* EOF handling */
1113 ptr = NULL;
1114 len = 0;
1115 goto handle_eof;
1116 }
1117
1118 len = pkt->size;
1119 ptr = pkt->data;
1120 while (len > 0) {
1121 handle_eof:
1122 /* decode the packet if needed */
1123 data_buf = NULL; /* fail safe */
1124 data_size = 0;
1125 if (ist->decoding_needed) {
1126 switch(ist->st->codec.codec_type) {
1127 case CODEC_TYPE_AUDIO:{
1128 if(pkt)
1129 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size, AVCODEC_MAX_AUDIO_FRAME_SIZE));
1130 /* XXX: could avoid copy if PCM 16 bits with same
1131 endianness as CPU */
1132 ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
1133 ptr, len);
1134 if (ret < 0)
1135 goto fail_decode;
1136 ptr += ret;
1137 len -= ret;
1138 /* Some bug in mpeg audio decoder gives */
1139 /* data_size < 0, it seems they are overflows */
1140 if (data_size <= 0) {
1141 /* no audio frame */
1142 continue;
1143 }
1144 data_buf = (uint8_t *)samples;
1145 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1146 (ist->st->codec.sample_rate * ist->st->codec.channels);
1147 break;}
1148 case CODEC_TYPE_VIDEO:
1149 data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
1150 /* XXX: allocate picture correctly */
1151 avcodec_get_frame_defaults(&picture);
1152
1153 ret = avcodec_decode_video(&ist->st->codec,
1154 &picture, &got_picture, ptr, len);
1155 ist->st->quality= picture.quality;
1156 if (ret < 0)
1157 goto fail_decode;
1158 if (!got_picture) {
1159 /* no picture yet */
1160 goto discard_packet;
1161 }
1162 if (ist->st->codec.frame_rate_base != 0) {
1163 ist->next_pts += ((int64_t)AV_TIME_BASE *
1164 ist->st->codec.frame_rate_base) /
1165 ist->st->codec.frame_rate;
1166 }
1167 len = 0;
1168 break;
1169 default:
1170 goto fail_decode;
1171 }
1172 } else {
1173 data_buf = ptr;
1174 data_size = len;
1175 ret = len;
1176 len = 0;
1177 }
1178
1179 buffer_to_free = NULL;
1180 if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1181 pre_process_video_frame(ist, (AVPicture *)&picture,
1182 &buffer_to_free);
1183 }
1184
1185 /* frame rate emulation */
1186 if (ist->st->codec.rate_emu) {
1187 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec.frame_rate_base, 1000000, ist->st->codec.frame_rate);
1188 int64_t now = av_gettime() - ist->start;
1189 if (pts > now)
1190 usleep(pts - now);
1191
1192 ist->frame++;
1193 }
1194
1195 #if 0
1196 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1197 is the one of the next displayed one */
1198 /* XXX: add mpeg4 too ? */
1199 if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
1200 if (ist->st->codec.pict_type != B_TYPE) {
1201 int64_t tmp;
1202 tmp = ist->last_ip_pts;
1203 ist->last_ip_pts = ist->frac_pts.val;
1204 ist->frac_pts.val = tmp;
1205 }
1206 }
1207 #endif
1208 /* if output time reached then transcode raw format,
1209 encode packets and output them */
1210 if (start_time == 0 || ist->pts >= start_time)
1211 for(i=0;i<nb_ostreams;i++) {
1212 int frame_size;
1213
1214 ost = ost_table[i];
1215 if (ost->source_index == ist_index) {
1216 os = output_files[ost->file_index];
1217
1218 #if 0
1219 printf("%d: got pts=%0.3f %0.3f\n", i,
1220 (double)pkt->pts / AV_TIME_BASE,
1221 ((double)ist->pts / AV_TIME_BASE) -
1222 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1223 #endif
1224 /* set the input output pts pairs */
1225 ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index])/ AV_TIME_BASE;
1226
1227 if (ost->encoding_needed) {
1228 switch(ost->st->codec.codec_type) {
1229 case CODEC_TYPE_AUDIO:
1230 do_audio_out(os, ost, ist, data_buf, data_size);
1231 break;
1232 case CODEC_TYPE_VIDEO:
1233 do_video_out(os, ost, ist, &picture, &frame_size);
1234 video_size += frame_size;
1235 if (do_vstats && frame_size)
1236 do_video_stats(os, ost, frame_size);
1237 break;
1238 default:
1239 av_abort();
1240 }
1241 } else {
1242 AVFrame avframe; //FIXME/XXX remove this
1243 AVPacket opkt;
1244 av_init_packet(&opkt);
1245
1246 /* no reencoding needed : output the packet directly */
1247 /* force the input stream PTS */
1248
1249 avcodec_get_frame_defaults(&avframe);
1250 ost->st->codec.coded_frame= &avframe;
1251 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1252
1253 if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO)
1254 audio_size += data_size;
1255 else if (ost->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1256 video_size += data_size;
1257 ost->sync_opts++;
1258 }
1259
1260 opkt.stream_index= ost->index;
1261 opkt.data= data_buf;
1262 opkt.size= data_size;
1263 if(pkt->pts != AV_NOPTS_VALUE)
1264 opkt.pts= pkt->pts + input_files_ts_offset[ist->file_index];
1265 else
1266 opkt.pts= AV_NOPTS_VALUE;
1267 opkt.dts= pkt->dts + input_files_ts_offset[ist->file_index];
1268 opkt.flags= pkt->flags;
1269
1270 av_interleaved_write_frame(os, &opkt);
1271 ost->st->codec.frame_number++;
1272 ost->frame_number++;
1273 }
1274 }
1275 }
1276 av_free(buffer_to_free);
1277 }
1278 discard_packet:
1279 if (pkt == NULL) {
1280 /* EOF handling */
1281
1282 for(i=0;i<nb_ostreams;i++) {
1283 ost = ost_table[i];
1284 if (ost->source_index == ist_index) {
1285 AVCodecContext *enc= &ost->st->codec;
1286 os = output_files[ost->file_index];
1287
1288 if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1289 continue;
1290 if(ost->st->codec.codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1291 continue;
1292
1293 if (ost->encoding_needed) {
1294 for(;;) {
1295 AVPacket pkt;
1296 av_init_packet(&pkt);
1297 pkt.stream_index= ost->index;
1298
1299 switch(ost->st->codec.codec_type) {
1300 case CODEC_TYPE_AUDIO:
1301 ret = avcodec_encode_audio(enc, bit_buffer, VIDEO_BUFFER_SIZE, NULL);
1302 audio_size += ret;
1303 pkt.flags |= PKT_FLAG_KEY;
1304 break;
1305 case CODEC_TYPE_VIDEO:
1306 ret = avcodec_encode_video(enc, bit_buffer, VIDEO_BUFFER_SIZE, NULL);
1307 video_size += ret;
1308 if(enc->coded_frame && enc->coded_frame->key_frame)
1309 pkt.flags |= PKT_FLAG_KEY;
1310 if (ost->logfile && enc->stats_out) {
1311 fprintf(ost->logfile, "%s", enc->stats_out);
1312 }
1313 break;
1314 default:
1315 ret=-1;
1316 }
1317
1318 if(ret<=0)
1319 break;
1320 pkt.data= bit_buffer;
1321 pkt.size= ret;
1322 if(enc->coded_frame)
1323 pkt.pts= enc->coded_frame->pts;
1324 av_interleaved_write_frame(os, &pkt);
1325 }
1326 }
1327 }
1328 }
1329 }
1330
1331 return 0;
1332 fail_decode:
1333 return -1;
1334 }
1335
1336
1337 /*
1338 * The following code is the main loop of the file converter
1339 */
1340 static int av_encode(AVFormatContext **output_files,
1341 int nb_output_files,
1342 AVFormatContext **input_files,
1343 int nb_input_files,
1344 AVStreamMap *stream_maps, int nb_stream_maps)
1345 {
1346 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1347 AVFormatContext *is, *os;
1348 AVCodecContext *codec, *icodec;
1349 AVOutputStream *ost, **ost_table = NULL;
1350 AVInputStream *ist, **ist_table = NULL;
1351 AVInputFile *file_table;
1352 AVFormatContext *stream_no_data;
1353 int key;
1354
1355 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1356 if (!file_table)
1357 goto fail;
1358
1359 if (!bit_buffer)
1360 bit_buffer = av_malloc(VIDEO_BUFFER_SIZE);
1361 if (!bit_buffer)
1362 goto fail;
1363
1364 /* input stream init */
1365 j = 0;
1366 for(i=0;i<nb_input_files;i++) {
1367 is = input_files[i];
1368 file_table[i].ist_index = j;
1369 file_table[i].nb_streams = is->nb_streams;
1370 j += is->nb_streams;
1371 }
1372 nb_istreams = j;
1373
1374 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1375 if (!ist_table)
1376 goto fail;
1377
1378 for(i=0;i<nb_istreams;i++) {
1379 ist = av_mallocz(sizeof(AVInputStream));
1380 if (!ist)
1381 goto fail;
1382 ist_table[i] = ist;
1383 }
1384 j = 0;
1385 for(i=0;i<nb_input_files;i++) {
1386 is = input_files[i];
1387 for(k=0;k<is->nb_streams;k++) {
1388 ist = ist_table[j++];
1389 ist->st = is->streams[k];
1390 ist->file_index = i;
1391 ist->index = k;
1392 ist->discard = 1; /* the stream is discarded by default
1393 (changed later) */
1394
1395 if (ist->st->codec.rate_emu) {
1396 ist->start = av_gettime();
1397 ist->frame = 0;
1398 }
1399 }
1400 }
1401
1402 /* output stream init */
1403 nb_ostreams = 0;
1404 for(i=0;i<nb_output_files;i++) {
1405 os = output_files[i];
1406 nb_ostreams += os->nb_streams;
1407 }
1408 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1409 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1410 exit(1);
1411 }
1412
1413 /* Sanity check the mapping args -- do the input files & streams exist? */
1414 for(i=0;i<nb_stream_maps;i++) {
1415 int fi = stream_maps[i].file_index;
1416 int si = stream_maps[i].stream_index;
1417
1418 if (fi < 0 || fi > nb_input_files - 1 ||
1419 si < 0 || si > file_table[fi].nb_streams - 1) {
1420 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1421 exit(1);
1422 }
1423 }
1424
1425 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1426 if (!ost_table)
1427 goto fail;
1428 for(i=0;i<nb_ostreams;i++) {
1429 ost = av_mallocz(sizeof(AVOutputStream));
1430 if (!ost)
1431 goto fail;
1432 ost_table[i] = ost;
1433 }
1434
1435 n = 0;
1436 for(k=0;k<nb_output_files;k++) {
1437 os = output_files[k];
1438 for(i=0;i<os->nb_streams;i++) {
1439 int found;
1440 ost = ost_table[n++];
1441 ost->file_index = k;
1442 ost->index = i;
1443 ost->st = os->streams[i];
1444 if (nb_stream_maps > 0) {
1445 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1446 stream_maps[n-1].stream_index;
1447
1448 /* Sanity check that the stream types match */
1449 if (ist_table[ost->source_index]->st->codec.codec_type != ost->st->codec.codec_type) {
1450 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1451 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1452 ost->file_index, ost->index);
1453 exit(1);
1454 }
1455
1456 } else {
1457 /* get corresponding input stream index : we select the first one with the right type */
1458 found = 0;
1459 for(j=0;j<nb_istreams;j++) {
1460 ist = ist_table[j];
1461 if (ist->discard &&
1462 ist->st->codec.codec_type == ost->st->codec.codec_type) {
1463 ost->source_index = j;
1464 found = 1;
1465 break;
1466 }
1467 }
1468
1469 if (!found) {
1470 /* try again and reuse existing stream */
1471 for(j=0;j<nb_istreams;j++) {
1472 ist = ist_table[j];
1473 if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
1474 ost->source_index = j;
1475 found = 1;
1476 }
1477 }
1478 if (!found) {
1479 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1480 ost->file_index, ost->index);
1481 exit(1);
1482 }
1483 }
1484 }
1485 ist = ist_table[ost->source_index];
1486 ist->discard = 0;
1487 }
1488 }
1489
1490 /* for each output stream, we compute the right encoding parameters */
1491 for(i=0;i<nb_ostreams;i++) {
1492 ost = ost_table[i];
1493 ist = ist_table[ost->source_index];
1494
1495 codec = &ost->st->codec;
1496 icodec = &ist->st->codec;
1497
1498 if (ost->st->stream_copy) {
1499 /* if stream_copy is selected, no need to decode or encode */
1500 codec->codec_id = icodec->codec_id;
1501 codec->codec_type = icodec->codec_type;
1502 if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1503 codec->bit_rate = icodec->bit_rate;
1504 switch(codec->codec_type) {
1505 case CODEC_TYPE_AUDIO:
1506 codec->sample_rate = icodec->sample_rate;
1507 codec->channels = icodec->channels;
1508 codec->frame_size = icodec->frame_size;
1509 break;
1510 case CODEC_TYPE_VIDEO:
1511 codec->frame_rate = icodec->frame_rate;
1512 codec->frame_rate_base = icodec->frame_rate_base;
1513 codec->width = icodec->width;
1514 codec->height = icodec->height;
1515 break;
1516 default:
1517 av_abort();
1518 }
1519 } else {
1520 switch(codec->codec_type) {
1521 case CODEC_TYPE_AUDIO:
1522 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1523 goto fail;
1524
1525 if (codec->channels == icodec->channels &&
1526 codec->sample_rate == icodec->sample_rate) {
1527 ost->audio_resample = 0;
1528 } else {
1529 if (codec->channels != icodec->channels &&
1530 (icodec->codec_id == CODEC_ID_AC3 ||
1531 icodec->codec_id == CODEC_ID_DTS)) {
1532 /* Special case for 5:1 AC3 and DTS input */
1533 /* and mono or stereo output */
1534 /* Request specific number of channels */
1535 icodec->channels = codec->channels;
1536 if (codec->sample_rate == icodec->sample_rate)
1537 ost->audio_resample = 0;
1538 else {
1539 ost->audio_resample = 1;
1540 }
1541 } else {
1542 ost->audio_resample = 1;
1543 }
1544 }
1545 if(audio_sync_method>1)
1546 ost->audio_resample = 1;
1547
1548 if(ost->audio_resample){
1549 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1550 codec->sample_rate, icodec->sample_rate);
1551 if(!ost->resample){
1552 printf("Can't resample. Aborting.\n");
1553 av_abort();
1554 }
1555 }
1556 ist->decoding_needed = 1;
1557 ost->encoding_needed = 1;
1558 break;
1559 case CODEC_TYPE_VIDEO:
1560 if (codec->width == icodec->width &&
1561 codec->height == icodec->height &&
1562 frame_topBand == 0 &&
1563 frame_bottomBand == 0 &&
1564 frame_leftBand == 0 &&
1565 frame_rightBand == 0 &&
1566 frame_padtop == 0 &&
1567 frame_padbottom == 0 &&
1568 frame_padleft == 0 &&
1569 frame_padright == 0)
1570 {
1571 ost->video_resample = 0;
1572 ost->video_crop = 0;
1573 ost->video_pad = 0;
1574 } else if ((codec->width == icodec->width -
1575 (frame_leftBand + frame_rightBand)) &&
1576 (codec->height == icodec->height -
1577 (frame_topBand + frame_bottomBand)))
1578 {
1579 ost->video_resample = 0;
1580 ost->video_crop = 1;
1581 ost->topBand = frame_topBand;
1582 ost->leftBand = frame_leftBand;
1583 } else if ((codec->width == icodec->width +
1584 (frame_padleft + frame_padright)) &&
1585 (codec->height == icodec->height +
1586 (frame_padtop + frame_padbottom))) {
1587 ost->video_resample = 0;
1588 ost->video_crop = 0;
1589 ost->video_pad = 1;
1590 ost->padtop = frame_padtop;
1591 ost->padleft = frame_padleft;
1592 ost->padbottom = frame_padbottom;
1593 ost->padright = frame_padright;
1594 avcodec_get_frame_defaults(&ost->pict_tmp);
1595 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1596 codec->width, codec->height ) )
1597 goto fail;
1598 } else {
1599 ost->video_resample = 1;
1600 ost->video_crop = 0; // cropping is handled as part of resample
1601 avcodec_get_frame_defaults(&ost->pict_tmp);
1602 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1603 codec->width, codec->height ) )
1604 goto fail;
1605
1606 ost->img_resample_ctx = img_resample_full_init(
1607 ost->st->codec.width, ost->st->codec.height,
1608 ist->st->codec.width, ist->st->codec.height,
1609 frame_topBand, frame_bottomBand,
1610 frame_leftBand, frame_rightBand,
1611 frame_padtop, frame_padbottom,
1612 frame_padleft, frame_padright);
1613
1614 ost->padtop = frame_padtop;
1615 ost->padleft = frame_padleft;
1616 ost->padbottom = frame_padbottom;
1617 ost->padright = frame_padright;
1618
1619 }
1620 ost->encoding_needed = 1;
1621 ist->decoding_needed = 1;
1622 break;
1623 default:
1624 av_abort();
1625 }
1626 /* two pass mode */
1627 if (ost->encoding_needed &&
1628 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1629 char logfilename[1024];
1630 FILE *f;
1631 int size;
1632 char *logbuffer;
1633
1634 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1635 pass_logfilename ?
1636 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1637 if (codec->flags & CODEC_FLAG_PASS1) {
1638 f = fopen(logfilename, "w");
1639 if (!f) {
1640 perror(logfilename);
1641 exit(1);
1642 }
1643 ost->logfile = f;
1644 } else {
1645 /* read the log file */
1646 f = fopen(logfilename, "r");
1647 if (!f) {
1648 perror(logfilename);
1649 exit(1);
1650 }
1651 fseek(f, 0, SEEK_END);
1652 size = ftell(f);
1653 fseek(f, 0, SEEK_SET);
1654 logbuffer = av_malloc(size + 1);
1655 if (!logbuffer) {
1656 fprintf(stderr, "Could not allocate log buffer\n");
1657 exit(1);
1658 }
1659 size = fread(logbuffer, 1, size, f);
1660 fclose(f);
1661 logbuffer[size] = '\0';
1662 codec->stats_in = logbuffer;
1663 }
1664 }
1665 }
1666 }
1667
1668 /* dump the file output parameters - cannot be done before in case
1669 of stream copy */
1670 for(i=0;i<nb_output_files;i++) {
1671 dump_format(output_files[i], i, output_files[i]->filename, 1);
1672 }
1673
1674 /* dump the stream mapping */
1675 if (verbose >= 0) {
1676 fprintf(stderr, "Stream mapping:\n");
1677 for(i=0;i<nb_ostreams;i++) {
1678 ost = ost_table[i];
1679 fprintf(stderr, " Stream #%d.%d -> #%d.%d\n",
1680 ist_table[ost->source_index]->file_index,
1681 ist_table[ost->source_index]->index,
1682 ost->file_index,
1683 ost->index);
1684 }
1685 }
1686
1687 /* open each encoder */
1688 for(i=0;i<nb_ostreams;i++) {
1689 ost = ost_table[i];
1690 if (ost->encoding_needed) {
1691 AVCodec *codec;
1692 codec = avcodec_find_encoder(ost->st->codec.codec_id);
1693 if (!codec) {
1694 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1695 ost->file_index, ost->index);
1696 exit(1);
1697 }
1698 if (avcodec_open(&ost->st->codec, codec) < 0) {
1699 fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1700 ost->file_index, ost->index);
1701 exit(1);
1702 }
1703 extra_size += ost->st->codec.extradata_size;
1704 }
1705 }
1706
1707 /* open each decoder */
1708 for(i=0;i<nb_istreams;i++) {
1709 ist = ist_table[i];
1710 if (ist->decoding_needed) {
1711 AVCodec *codec;
1712 codec = avcodec_find_decoder(ist->st->codec.codec_id);
1713 if (!codec) {
1714 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1715 ist->st->codec.codec_id, ist->file_index, ist->index);
1716 exit(1);
1717 }
1718 if (avcodec_open(&ist->st->codec, codec) < 0) {
1719 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1720 ist->file_index, ist->index);
1721 exit(1);
1722 }
1723 //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1724 // ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1725 }
1726 }
1727
1728 /* init pts */
1729 for(i=0;i<nb_istreams;i++) {
1730 ist = ist_table[i];
1731 is = input_files[ist->file_index];
1732 ist->pts = 0;
1733 ist->next_pts = ist->st->start_time;
1734 if(ist->next_pts == AV_NOPTS_VALUE)
1735 ist->next_pts=0;
1736 ist->is_start = 1;
1737 }
1738
1739 /* compute buffer size max (should use a complete heuristic) */
1740 for(i=0;i<nb_input_files;i++) {
1741 file_table[i].buffer_size_max = 2048;
1742 }
1743
1744 /* set meta data information from input file if required */
1745 for (i=0;i<nb_meta_data_maps;i++) {
1746 AVFormatContext *out_file;
1747 AVFormatContext *in_file;
1748
1749 int out_file_index = meta_data_maps[i].out_file;
1750 int in_file_index = meta_data_maps[i].in_file;
1751 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1752 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1753 ret = -EINVAL;
1754 goto fail;
1755 }
1756 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1757 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1758 ret = -EINVAL;
1759 goto fail;
1760 }
1761
1762 out_file = output_files[out_file_index];
1763 in_file = input_files[in_file_index];
1764
1765 strcpy(out_file->title, in_file->title);
1766 strcpy(out_file->author, in_file->author);
1767 strcpy(out_file->copyright, in_file->copyright);
1768 strcpy(out_file->comment, in_file->comment);
1769 strcpy(out_file->album, in_file->album);
1770 out_file->year = in_file->year;
1771 out_file->track = in_file->track;
1772 strcpy(out_file->genre, in_file->genre);
1773 }
1774
1775 /* open files and write file headers */
1776 for(i=0;i<nb_output_files;i++) {
1777 os = output_files[i];
1778 if (av_write_header(os) < 0) {
1779 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1780 ret = -EINVAL;
1781 goto fail;
1782 }
1783 }
1784
1785 #ifndef CONFIG_WIN32
1786 if ( !using_stdin && verbose >= 0) {
1787 fprintf(stderr, "Press [q] to stop encoding\n");
1788 url_set_interrupt_cb(decode_interrupt_cb);
1789 }
1790 #endif
1791 term_init();
1792
1793 stream_no_data = 0;
1794 key = -1;
1795
1796 for(; received_sigterm == 0;) {
1797 int file_index, ist_index;
1798 AVPacket pkt;
1799 double ipts_min;
1800 double opts_min;
1801
1802 redo:
1803 ipts_min= 1e100;
1804 opts_min= 1e100;
1805 /* if 'q' pressed, exits */
1806 if (!using_stdin) {
1807 if (q_pressed)
1808 break;
1809 /* read_key() returns 0 on EOF */
1810 key = read_key();
1811 if (key == 'q')
1812 break;
1813 }
1814
1815 /* select the stream that we must read now by looking at the
1816 smallest output pts */
1817 file_index = -1;
1818 for(i=0;i<nb_ostreams;i++) {
1819 double ipts, opts;
1820 ost = ost_table[i];
1821 os = output_files[ost->file_index];
1822 ist = ist_table[ost->source_index];
1823 if(ost->st->codec.codec_type == CODEC_TYPE_VIDEO)
1824 opts = (double)ost->sync_opts * ost->st->codec.frame_rate_base / ost->st->codec.frame_rate;
1825 else
1826 opts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1827 ipts = (double)ist->pts;
1828 if (!file_table[ist->file_index].eof_reached){
1829 if(ipts < ipts_min) {
1830 ipts_min = ipts;
1831 if(input_sync ) file_index = ist->file_index;
1832 }
1833 if(opts < opts_min) {
1834 opts_min = opts;
1835 if(!input_sync) file_index = ist->file_index;
1836 }
1837 }
1838 }
1839 /* if none, if is finished */
1840 if (file_index < 0) {
1841 break;
1842 }
1843
1844 /* finish if recording time exhausted */
1845 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1846 break;
1847
1848 /* read a frame from it and output it in the fifo */
1849 is = input_files[file_index];
1850 if (av_read_frame(is, &pkt) < 0) {
1851 file_table[file_index].eof_reached = 1;
1852 continue;
1853 }
1854
1855 if (!pkt.size) {
1856 stream_no_data = is;
1857 } else {
1858 stream_no_data = 0;
1859 }
1860 if (do_pkt_dump) {
1861 av_pkt_dump(stdout, &pkt, do_hex_dump);
1862 }
1863 /* the following test is needed in case new streams appear
1864 dynamically in stream : we ignore them */
1865 if (pkt.stream_index >= file_table[file_index].nb_streams)
1866 goto discard_packet;
1867 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1868 ist = ist_table[ist_index];
1869 if (ist->discard)
1870 goto discard_packet;
1871
1872 // 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);
1873 if (pkt.dts != AV_NOPTS_VALUE) {
1874 int64_t delta= pkt.dts - ist->next_pts;
1875 if(ABS(delta) > 10LL*AV_TIME_BASE && !copy_ts){
1876 input_files_ts_offset[ist->file_index]-= delta;
1877 if (verbose > 2)
1878 fprintf(stderr, "timestamp discontinuity %lld, new offset= %lld\n", delta, input_files_ts_offset[ist->file_index]);
1879 for(i=0; i<file_table[file_index].nb_streams; i++){
1880 int index= file_table[file_index].ist_index + i;
1881 ist_table[index]->next_pts += delta;
1882 ist_table[index]->is_start=1;
1883 }
1884 }
1885 }
1886
1887 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1888 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1889
1890 if (verbose >= 0)
1891 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1892 ist->file_index, ist->index);
1893
1894 av_free_packet(&pkt);
1895 goto redo;
1896 }
1897
1898 discard_packet:
1899 av_free_packet(&pkt);
1900
1901 /* dump report by using the output first video and audio streams */
1902 print_report(output_files, ost_table, nb_ostreams, 0);
1903 }
1904
1905 /* at the end of stream, we must flush the decoder buffers */
1906 for(i=0;i<nb_istreams;i++) {
1907 ist = ist_table[i];
1908 if (ist->decoding_needed) {
1909 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1910 }
1911 }
1912
1913 term_exit();
1914
1915 /* write the trailer if needed and close file */
1916 for(i=0;i<nb_output_files;i++) {
1917 os = output_files[i];
1918 av_write_trailer(os);
1919 }
1920
1921 /* dump report by using the first video and audio streams */
1922 print_report(output_files, ost_table, nb_ostreams, 1);
1923
1924 /* close each encoder */
1925 for(i=0;i<nb_ostreams;i++) {
1926 ost = ost_table[i];
1927 if (ost->encoding_needed) {
1928 av_freep(&ost->st->codec.stats_in);
1929 avcodec_close(&ost->st->codec);
1930 }
1931 }
1932
1933 /* close each decoder */
1934 for(i=0;i<nb_istreams;i++) {
1935 ist = ist_table[i];
1936 if (ist->decoding_needed) {
1937 avcodec_close(&ist->st->codec);
1938 }
1939 }
1940
1941 /* finished ! */
1942
1943 ret = 0;
1944 fail1:
1945 av_free(file_table);
1946
1947 if (ist_table) {
1948 for(i=0;i<nb_istreams;i++) {
1949 ist = ist_table[i];
1950 av_free(ist);
1951 }
1952 av_free(ist_table);
1953 }
1954 if (ost_table) {
1955 for(i=0;i<nb_ostreams;i++) {
1956 ost = ost_table[i];
1957 if (ost) {
1958 if (ost->logfile) {
1959 fclose(ost->logfile);
1960 ost->logfile = NULL;
1961 }
1962 fifo_free(&ost->fifo); /* works even if fifo is not
1963 initialized but set to zero */
1964 av_free(ost->pict_tmp.data[0]);
1965 if (ost->video_resample)
1966 img_resample_close(ost->img_resample_ctx);
1967 if (ost->audio_resample)
1968 audio_resample_close(ost->resample);
1969 av_free(ost);
1970 }
1971 }
1972 av_free(ost_table);
1973 }
1974 return ret;
1975 fail:
1976 ret = -ENOMEM;
1977 goto fail1;
1978 }
1979
1980 #if 0
1981 int file_read(const char *filename)
1982 {
1983 URLContext *h;
1984 unsigned char buffer[1024];
1985 int len, i;
1986
1987 if (url_open(&h, filename, O_RDONLY) < 0) {
1988 printf("could not open '%s'\n", filename);
1989 return -1;
1990 }
1991 for(;;) {
1992 len = url_read(h, buffer, sizeof(buffer));
1993 if (len <= 0)
1994 break;
1995 for(i=0;i<len;i++) putchar(buffer[i]);
1996 }
1997 url_close(h);
1998 return 0;
1999 }
2000 #endif
2001
2002 static void opt_image_format(const char *arg)
2003 {
2004 AVImageFormat *f;
2005
2006 for(f = first_image_format; f != NULL; f = f->next) {
2007 if (!strcmp(arg, f->name))
2008 break;
2009 }
2010 if (!f) {
2011 fprintf(stderr, "Unknown image format: '%s'\n", arg);
2012 exit(1);
2013 }
2014 image_format = f;
2015 }
2016
2017 static void opt_format(const char *arg)
2018 {
2019 /* compatibility stuff for pgmyuv */
2020 if (!strcmp(arg, "pgmyuv")) {
2021 pgmyuv_compatibility_hack=1;
2022 // opt_image_format(arg);
2023 arg = "image2";
2024 }
2025
2026 file_iformat = av_find_input_format(arg);
2027 file_oformat = guess_format(arg, NULL, NULL);
2028 if (!file_iformat && !file_oformat) {
2029 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2030 exit(1);
2031 }
2032 }
2033
2034 static void opt_video_bitrate(const char *arg)
2035 {
2036 video_bit_rate = atoi(arg) * 1000;
2037 }
2038
2039 static void opt_video_bitrate_tolerance(const char *arg)
2040 {
2041 video_bit_rate_tolerance = atoi(arg) * 1000;
2042 }
2043
2044 static void opt_video_bitrate_max(const char *arg)
2045 {
2046 video_rc_max_rate = atoi(arg) * 1000;
2047 }
2048
2049 static void opt_video_bitrate_min(const char *arg)
2050 {
2051 video_rc_min_rate = atoi(arg) * 1000;
2052 }
2053
2054 static void opt_video_buffer_size(const char *arg)
2055 {
2056 video_rc_buffer_size = atoi(arg) * 8*1024;
2057 }
2058
2059 static void opt_video_rc_eq(char *arg)
2060 {
2061 video_rc_eq = arg;
2062 }
2063
2064 static void opt_video_rc_override_string(char *arg)
2065 {
2066 video_rc_override_string = arg;
2067 }
2068
2069
2070 static void opt_workaround_bugs(const char *arg)
2071 {
2072 workaround_bugs = atoi(arg);
2073 }
2074
2075 static void opt_dct_algo(const char *arg)
2076 {
2077 dct_algo = atoi(arg);
2078 }
2079
2080 static void opt_idct_algo(const char *arg)
2081 {
2082 idct_algo = atoi(arg);
2083 }
2084
2085 static void opt_me_threshold(const char *arg)
2086 {
2087 me_threshold = atoi(arg);
2088 }
2089
2090 static void opt_mb_threshold(const char *arg)
2091 {
2092 mb_threshold = atoi(arg);
2093 }
2094
2095 static void opt_error_resilience(const char *arg)
2096 {
2097 error_resilience = atoi(arg);
2098 }
2099
2100 static void opt_error_concealment(const char *arg)
2101 {
2102 error_concealment = atoi(arg);
2103 }
2104
2105 static void opt_debug(const char *arg)
2106 {
2107 debug = atoi(arg);
2108 }
2109
2110 static void opt_vismv(const char *arg)
2111 {
2112 debug_mv = atoi(arg);
2113 }
2114
2115 static void opt_verbose(const char *arg)
2116 {
2117 verbose = atoi(arg);
2118 av_log_set_level(atoi(arg));
2119 }
2120
2121 static void opt_frame_rate(const char *arg)
2122 {
2123 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2124 fprintf(stderr, "Incorrect frame rate\n");
2125 exit(1);
2126 }
2127 }
2128
2129 static void opt_frame_crop_top(const char *arg)
2130 {
2131 frame_topBand = atoi(arg);
2132 if (frame_topBand < 0) {
2133 fprintf(stderr, "Incorrect top crop size\n");
2134 exit(1);
2135 }
2136 if ((frame_topBand % 2) != 0) {
2137 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2138 exit(1);
2139 }
2140 if ((frame_topBand) >= frame_height){
2141 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2142 exit(1);
2143 }
2144 frame_height -= frame_topBand;
2145 }
2146
2147 static void opt_frame_crop_bottom(const char *arg)
2148 {
2149 frame_bottomBand = atoi(arg);
2150 if (frame_bottomBand < 0) {
2151 fprintf(stderr, "Incorrect bottom crop size\n");
2152 exit(1);
2153 }
2154 if ((frame_bottomBand % 2) != 0) {
2155 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2156 exit(1);
2157 }
2158 if ((frame_bottomBand) >= frame_height){
2159 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2160 exit(1);
2161 }
2162 frame_height -= frame_bottomBand;
2163 }
2164
2165 static void opt_frame_crop_left(const char *arg)
2166 {
2167 frame_leftBand = atoi(arg);
2168 if (frame_leftBand < 0) {
2169 fprintf(stderr, "Incorrect left crop size\n");
2170 exit(1);
2171 }
2172 if ((frame_leftBand % 2) != 0) {
2173 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2174 exit(1);
2175 }
2176 if ((frame_leftBand) >= frame_width){
2177 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2178 exit(1);
2179 }
2180 frame_width -= frame_leftBand;
2181 }
2182
2183 static void opt_frame_crop_right(const char *arg)
2184 {
2185 frame_rightBand = atoi(arg);
2186 if (frame_rightBand < 0) {
2187 fprintf(stderr, "Incorrect right crop size\n");
2188 exit(1);
2189 }
2190 if ((frame_rightBand % 2) != 0) {
2191 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2192 exit(1);
2193 }
2194 if ((frame_rightBand) >= frame_width){
2195 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2196 exit(1);
2197 }
2198 frame_width -= frame_rightBand;
2199 }
2200
2201 static void opt_frame_size(const char *arg)
2202 {
2203 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2204 fprintf(stderr, "Incorrect frame size\n");
2205 exit(1);
2206 }
2207 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2208 fprintf(stderr, "Frame size must be a multiple of 2\n");
2209 exit(1);
2210 }
2211 }
2212
2213
2214 #define SCALEBITS 10
2215 #define ONE_HALF (1 << (SCALEBITS - 1))
2216 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2217
2218 #define RGB_TO_Y(r, g, b) \
2219 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2220 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2221
2222 #define RGB_TO_U(r1, g1, b1, shift)\
2223 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2224 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2225
2226 #define RGB_TO_V(r1, g1, b1, shift)\
2227 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2228 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2229
2230 static void opt_pad_color(const char *arg) {
2231 /* Input is expected to be six hex digits similar to
2232 how colors are expressed in html tags (but without the #) */
2233 int rgb = strtol(arg, NULL, 16);
2234 int r,g,b;
2235
2236 r = (rgb >> 16);
2237 g = ((rgb >> 8) & 255);
2238 b = (rgb & 255);
2239
2240 padcolor[0] = RGB_TO_Y(r,g,b);
2241 padcolor[1] = RGB_TO_U(r,g,b,0);
2242 padcolor[2] = RGB_TO_V(r,g,b,0);
2243 }
2244
2245 static void opt_frame_pad_top(const char *arg)
2246 {
2247 frame_padtop = atoi(arg);
2248 if (frame_padtop < 0) {
2249 fprintf(stderr, "Incorrect top pad size\n");
2250 exit(1);
2251 }
2252 if ((frame_padtop % 2) != 0) {
2253 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2254 exit(1);
2255 }
2256 }
2257
2258 static void opt_frame_pad_bottom(const char *arg)
2259 {
2260 frame_padbottom = atoi(arg);
2261 if (frame_padbottom < 0) {
2262 fprintf(stderr, "Incorrect bottom pad size\n");
2263 exit(1);
2264 }
2265 if ((frame_padbottom % 2) != 0) {
2266 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2267 exit(1);
2268 }
2269 }
2270
2271
2272 static void opt_frame_pad_left(const char *arg)
2273 {
2274 frame_padleft = atoi(arg);
2275 if (frame_padleft < 0) {
2276 fprintf(stderr, "Incorrect left pad size\n");
2277 exit(1);
2278 }
2279 if ((frame_padleft % 2) != 0) {
2280 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2281 exit(1);
2282 }
2283 }
2284
2285
2286 static void opt_frame_pad_right(const char *arg)
2287 {
2288 frame_padright = atoi(arg);
2289 if (frame_padright < 0) {
2290 fprintf(stderr, "Incorrect right pad size\n");
2291 exit(1);
2292 }
2293 if ((frame_padright % 2) != 0) {
2294 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2295 exit(1);
2296 }
2297 }
2298
2299
2300 static void opt_frame_pix_fmt(const char *arg)
2301 {
2302 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2303 }
2304
2305 static void opt_frame_aspect_ratio(const char *arg)
2306 {
2307 int x = 0, y = 0;
2308 double ar = 0;
2309 const char *p;
2310
2311 p = strchr(arg, ':');
2312 if (p) {
2313 x = strtol(arg, (char **)&arg, 10);
2314 if (arg == p)
2315 y = strtol(arg+1, (char **)&arg, 10);
2316 if (x > 0 && y > 0)
2317 ar = (double)x / (double)y;
2318 } else
2319 ar = strtod(arg, (char **)&arg);
2320
2321 if (!ar) {
2322 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2323 exit(1);
2324 }
2325 frame_aspect_ratio = ar;
2326 }
2327
2328 static void opt_gop_size(const char *arg)
2329 {
2330 gop_size = atoi(arg);
2331 }
2332
2333 static void opt_b_frames(const char *arg)
2334 {
2335 b_frames = atoi(arg);
2336 if (b_frames > FF_MAX_B_FRAMES) {
2337 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
2338 exit(1);
2339 } else if (b_frames < 1) {
2340 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
2341 exit(1);
2342 }
2343 }
2344
2345 static void opt_mb_decision(const char *arg)
2346 {
2347 mb_decision = atoi(arg);
2348 }
2349
2350 static void opt_mb_cmp(const char *arg)
2351 {
2352 mb_cmp = atoi(arg);
2353 }
2354
2355 static void opt_ildct_cmp(const char *arg)
2356 {
2357 ildct_cmp = atoi(arg);
2358 }
2359
2360 static void opt_sub_cmp(const char *arg)
2361 {
2362 sub_cmp = atoi(arg);
2363 }
2364
2365 static void opt_cmp(const char *arg)
2366 {
2367 cmp = atoi(arg);
2368 }
2369
2370 static void opt_pre_cmp(const char *arg)
2371 {
2372 pre_cmp = atoi(arg);
2373 }
2374
2375 static void opt_pre_me(const char *arg)
2376 {
2377 pre_me = atoi(arg);
2378 }
2379
2380 static void opt_lumi_mask(const char *arg)
2381 {
2382 lumi_mask = atof(arg);
2383 }
2384
2385 static void opt_dark_mask(const char *arg)
2386 {
2387 dark_mask = atof(arg);
2388 }
2389
2390 static void opt_scplx_mask(const char *arg)
2391 {
2392 scplx_mask = atof(arg);
2393 }
2394
2395 static void opt_tcplx_mask(const char *arg)
2396 {
2397 tcplx_mask = atof(arg);
2398 }
2399
2400 static void opt_p_mask(const char *arg)
2401 {
2402 p_mask = atof(arg);
2403 }
2404
2405 static void opt_qscale(const char *arg)
2406 {
2407 video_qscale = atof(arg);
2408 if (video_qscale < 0.01 ||
2409 video_qscale > 255) {
2410 fprintf(stderr, "qscale must be >= 0.01 and <= 255\n");
2411 exit(1);
2412 }
2413 }
2414
2415 static void opt_lmax(const char *arg)
2416 {
2417 video_lmax = atof(arg)*FF_QP2LAMBDA;
2418 }
2419
2420 static void opt_lmin(const char *arg)
2421 {
2422 video_lmin = atof(arg)*FF_QP2LAMBDA;
2423 }
2424
2425 static void opt_qmin(const char *arg)
2426 {
2427 video_qmin = atoi(arg);
2428 if (video_qmin < 0 ||
2429 video_qmin > 31) {
2430 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
2431 exit(1);
2432 }
2433 }
2434
2435 static void opt_qmax(const char *arg)
2436 {
2437 video_qmax = atoi(arg);
2438 if (video_qmax < 0 ||
2439 video_qmax > 31) {
2440 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
2441 exit(1);
2442 }
2443 }
2444
2445 static void opt_mb_qmin(const char *arg)
2446 {
2447 video_mb_qmin = atoi(arg);
2448 if (video_mb_qmin < 0 ||
2449 video_mb_qmin > 31) {
2450 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
2451 exit(1);
2452 }
2453 }
2454
2455 static void opt_mb_qmax(const char *arg)
2456 {
2457 video_mb_qmax = atoi(arg);
2458 if (video_mb_qmax < 0 ||
2459 video_mb_qmax > 31) {
2460 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
2461 exit(1);
2462 }
2463 }
2464
2465 static void opt_qdiff(const char *arg)
2466 {
2467 video_qdiff = atoi(arg);
2468 if (video_qdiff < 0 ||
2469 video_qdiff > 31) {
2470 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2471 exit(1);
2472 }
2473 }
2474
2475 static void opt_qblur(const char *arg)
2476 {
2477 video_qblur = atof(arg);
2478 }
2479
2480 static void opt_qcomp(const char *arg)
2481 {
2482 video_qcomp = atof(arg);
2483 }
2484
2485 static void opt_rc_initial_cplx(const char *arg)
2486 {
2487 video_rc_initial_cplx = atof(arg);
2488 }
2489 static void opt_b_qfactor(const char *arg)
2490 {
2491 video_b_qfactor = atof(arg);
2492 }
2493 static void opt_i_qfactor(const char *arg)
2494 {
2495 video_i_qfactor = atof(arg);
2496 }
2497 static void opt_b_qoffset(const char *arg)
2498 {
2499 video_b_qoffset = atof(arg);
2500 }
2501 static void opt_i_qoffset(const char *arg)
2502 {
2503 video_i_qoffset = atof(arg);
2504 }
2505
2506 static void opt_ibias(const char *arg)
2507 {
2508 video_intra_quant_bias = atoi(arg);
2509 }
2510 static void opt_pbias(const char *arg)
2511 {
2512 video_inter_quant_bias = atoi(arg);
2513 }
2514
2515 static void opt_packet_size(const char *arg)
2516 {
2517 packet_size= atoi(arg);
2518 }
2519
2520 static void opt_error_rate(const char *arg)
2521 {
2522 error_rate= atoi(arg);
2523 }
2524
2525 static void opt_strict(const char *arg)
2526 {
2527 strict= atoi(arg);
2528 }
2529
2530 static void opt_top_field_first(const char *arg)
2531 {
2532 top_field_first= atoi(arg);
2533 }
2534
2535 static void opt_noise_reduction(const char *arg)
2536 {
2537 noise_reduction= atoi(arg);
2538 }
2539
2540 static void opt_qns(const char *arg)
2541 {
2542 qns= atoi(arg);
2543 }
2544
2545 static void opt_sc_threshold(const char *arg)
2546 {
2547 sc_threshold= atoi(arg);
2548 }
2549
2550 static void opt_me_range(const char *arg)
2551 {
2552 me_range = atoi(arg);
2553 }
2554
2555 static void opt_thread_count(const char *arg)
2556 {
2557 thread_count= atoi(arg);
2558 #if !defined(HAVE_THREADS)
2559 if (verbose >= 0)
2560 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2561 #endif
2562 }
2563
2564 static void opt_audio_bitrate(const char *arg)
2565 {
2566 audio_bit_rate = atoi(arg) * 1000;
2567 }
2568
2569 static void opt_audio_rate(const char *arg)
2570 {
2571 audio_sample_rate = atoi(arg);
2572 }
2573
2574 static void opt_audio_channels(const char *arg)
2575 {
2576 audio_channels = atoi(arg);
2577 }
2578
2579 static void opt_video_device(const char *arg)
2580 {
2581 video_device = av_strdup(arg);
2582 }
2583
2584 static void opt_grab_device(const char *arg)
2585 {
2586 grab_device = av_strdup(arg);
2587 }
2588
2589 static void opt_video_channel(const char *arg)
2590 {
2591 video_channel = strtol(arg, NULL, 0);
2592 }
2593
2594 static void opt_video_standard(const char *arg)
2595 {
2596 video_standard = av_strdup(arg);
2597 }
2598
2599 static void opt_audio_device(const char *arg)
2600 {
2601 audio_device = av_strdup(arg);
2602 }
2603
2604 static void opt_audio_codec(const char *arg)
2605 {
2606 AVCodec *p;
2607
2608 if (!strcmp(arg, "copy")) {
2609 audio_stream_copy = 1;
2610 } else {
2611 p = first_avcodec;
2612 while (p) {
2613 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
2614 break;
2615 p = p->next;
2616 }
2617 if (p == NULL) {
2618 fprintf(stderr, "Unknown audio codec '%s'\n", arg);
2619 exit(1);
2620 } else {
2621 audio_codec_id = p->id;
2622 }
2623 }
2624 }
2625
2626 static void opt_audio_tag(const char *arg)
2627 {
2628 char *tail;
2629 audio_codec_tag= strtol(arg, &tail, 0);
2630
2631 if(!tail || *tail)
2632 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2633 }
2634
2635 static void opt_video_tag(const char *arg)
2636 {
2637 char *tail;
2638 video_codec_tag= strtol(arg, &tail, 0);
2639
2640 if(!tail || *tail)
2641 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2642 }
2643
2644 static void add_frame_hooker(const char *arg)
2645 {
2646 int argc = 0;
2647 char *argv[64];
2648 int i;
2649 char *args = av_strdup(arg);
2650
2651 using_vhook = 1;
2652
2653 argv[0] = strtok(args, " ");
2654 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2655 }
2656
2657 i = frame_hook_add(argc, argv);
2658
2659 if (i != 0) {
2660 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2661 exit(1);
2662 }
2663 }
2664
2665 const char *motion_str[] = {
2666 "zero",
2667 "full",
2668 "log",
2669 "phods",
2670 "epzs",
2671 "x1",
2672 NULL,
2673 };
2674
2675 static void opt_motion_estimation(const char *arg)
2676 {
2677 const char **p;
2678 p = motion_str;
2679 for(;;) {
2680 if (!*p) {
2681 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2682 exit(1);
2683 }
2684 if (!strcmp(*p, arg))
2685 break;
2686 p++;
2687 }
2688 me_method = (p - motion_str) + 1;
2689 }
2690
2691 static void opt_video_codec(const char *arg)
2692 {
2693 AVCodec *p;
2694
2695 if (!strcmp(arg, "copy")) {
2696 video_stream_copy = 1;
2697 } else {
2698 p = first_avcodec;
2699 while (p) {
2700 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
2701 break;
2702 p = p->next;
2703 }
2704 if (p == NULL) {
2705 fprintf(stderr, "Unknown video codec '%s'\n", arg);
2706 exit(1);
2707 } else {
2708 video_codec_id = p->id;
2709 }
2710 }
2711 }
2712
2713 static void opt_map(const char *arg)
2714 {
2715 AVStreamMap *m;
2716 const char *p;
2717
2718 p = arg;
2719 m = &stream_maps[nb_stream_maps++];
2720
2721 m->file_index = strtol(arg, (char **)&p, 0);
2722 if (*p)
2723 p++;
2724
2725 m->stream_index = strtol(p, (char **)&p, 0);
2726 }
2727
2728 static void opt_map_meta_data(const char *arg)
2729 {
2730 AVMetaDataMap *m;
2731 const char *p;
2732
2733 p = arg;
2734 m = &meta_data_maps[nb_meta_data_maps++];
2735
2736 m->out_file = strtol(arg, (char **)&p, 0);
2737 if (*p)
2738 p++;
2739
2740 m->in_file = strtol(p, (char **)&p, 0);
2741 }
2742
2743 static void opt_recording_time(const char *arg)
2744 {
2745 recording_time = parse_date(arg, 1);
2746 }
2747
2748 static void opt_start_time(const char *arg)
2749 {
2750 start_time = parse_date(arg, 1);
2751 }
2752
2753 static void opt_rec_timestamp(const char *arg)
2754 {
2755 rec_timestamp = parse_date(arg, 0) / 1000000;
2756 }
2757
2758 static void opt_input_ts_offset(const char *arg)
2759 {
2760 input_ts_offset = parse_date(arg, 1);
2761 }
2762
2763 static void opt_input_file(const char *filename)
2764 {
2765 AVFormatContext *ic;
2766 AVFormatParameters params, *ap = &params;
2767 int err, i, ret, rfps, rfps_base;
2768 int64_t timestamp;
2769
2770 if (!strcmp(filename, "-"))
2771 filename = "pipe:";
2772
2773 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2774 !strcmp( filename, "/dev/stdin" );
2775
2776 /* get default parameters from command line */
2777 memset(ap, 0, sizeof(*ap));
2778 ap->sample_rate = audio_sample_rate;
2779 ap->channels = audio_channels;
2780 ap->frame_rate = frame_rate;
2781 ap->frame_rate_base = frame_rate_base;
2782 ap->width = frame_width + frame_padleft + frame_padright;
2783 ap->height = frame_height + frame_padtop + frame_padbottom;
2784 ap->image_format = image_format;
2785 ap->pix_fmt = frame_pix_fmt;
2786 ap->device = grab_device;
2787 ap->channel = video_channel;
2788 ap->standard = video_standard;
2789 ap->video_codec_id = video_codec_id;
2790 ap->audio_codec_id = audio_codec_id;
2791 if(pgmyuv_compatibility_hack)
2792 ap->video_codec_id= CODEC_ID_PGMYUV;
2793
2794 /* open the input file with generic libav function */
2795 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2796 if (err < 0) {
2797 print_error(filename, err);
2798 exit(1);
2799 }
2800
2801 /* If not enough info to get the stream parameters, we decode the
2802 first frames to get it. (used in mpeg case for example) */
2803 ret = av_find_stream_info(ic);
2804 if (ret < 0 && verbose >= 0) {
2805 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2806 exit(1);
2807 }
2808
2809 timestamp = start_time;
2810 /* add the stream start time */
2811 if (ic->start_time != AV_NOPTS_VALUE)
2812 timestamp += ic->start_time;
2813
2814 /* if seeking requested, we execute it */
2815 if (start_time != 0) {
2816 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2817 if (ret < 0) {
2818 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2819 filename, (double)timestamp / AV_TIME_BASE);
2820 }
2821 /* reset seek info */
2822 start_time = 0;
2823 }
2824
2825 /* update the current parameters so that they match the one of the input stream */
2826 for(i=0;i<ic->nb_streams;i++) {
2827 AVCodecContext *enc = &ic->streams[i]->codec;
2828 #if defined(HAVE_THREADS)
2829 if(thread_count>1)
2830 avcodec_thread_init(enc, thread_count);
2831 #endif
2832 enc->thread_count= thread_count;
2833 switch(enc->codec_type) {
2834 case CODEC_TYPE_AUDIO:
2835 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2836 audio_channels = enc->channels;
2837 audio_sample_rate = enc->sample_rate;
2838 break;
2839 case CODEC_TYPE_VIDEO:
2840 frame_height = enc->height;
2841 frame_width = enc->width;
2842 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2843 frame_pix_fmt = enc->pix_fmt;
2844 rfps = ic->streams[i]->r_frame_rate;
2845 rfps_base = ic->streams[i]->r_frame_rate_base;
2846 enc->workaround_bugs = workaround_bugs;
2847 enc->error_resilience = error_resilience;
2848 enc->error_concealment = error_concealment;
2849 enc->idct_algo = idct_algo;
2850 enc->debug = debug;
2851 enc->debug_mv = debug_mv;
2852 enc->lowres= lowres;
2853 if(bitexact)
2854 enc->flags|= CODEC_FLAG_BITEXACT;
2855 if(me_threshold)
2856 enc->debug |= FF_DEBUG_MV;
2857
2858 assert(enc->frame_rate_base == rfps_base); // should be true for now
2859 if (enc->frame_rate != rfps) {
2860
2861 if (verbose >= 0)
2862 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n",
2863 i, (float)enc->frame_rate / enc->frame_rate_base,
2864
2865 (float)rfps / rfps_base);
2866 }
2867 /* update the current frame rate to match the stream frame rate */
2868 frame_rate = rfps;
2869 frame_rate_base = rfps_base;
2870
2871 enc->rate_emu = rate_emu;
2872 break;
2873 case CODEC_TYPE_DATA:
2874 break;
2875 default:
2876 av_abort();
2877 }
2878 }
2879
2880 input_files[nb_input_files] = ic;
2881 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2882 /* dump the file content */
2883 if (verbose >= 0)
2884 dump_format(ic, nb_input_files, filename, 0);
2885
2886 nb_input_files++;
2887 file_iformat = NULL;
2888 file_oformat = NULL;
2889 image_format = NULL;
2890
2891 grab_device = NULL;
2892 video_channel = 0;
2893
2894 rate_emu = 0;
2895 }
2896
2897 static void opt_grab(const char *arg)
2898 {
2899 file_iformat = av_find_input_format(arg);
2900 opt_input_file("");
2901 }
2902
2903 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2904 {
2905 int has_video, has_audio, i, j;
2906 AVFormatContext *ic;
2907
2908 has_video = 0;
2909 has_audio = 0;
2910 for(j=0;j<nb_input_files;j++) {
2911 ic = input_files[j];
2912 for(i=0;i<ic->nb_streams;i++) {
2913 AVCodecContext *enc = &ic->streams[i]->codec;
2914 switch(enc->codec_type) {
2915 case CODEC_TYPE_AUDIO:
2916 has_audio = 1;
2917 break;
2918 case CODEC_TYPE_VIDEO:
2919 has_video = 1;
2920 break;
2921 case CODEC_TYPE_DATA:
2922 break;
2923 default:
2924 av_abort();
2925 }
2926 }
2927 }
2928 *has_video_ptr = has_video;
2929 *has_audio_ptr = has_audio;
2930 }
2931
2932 static void opt_output_file(const char *filename)
2933 {
2934 AVStream *st;
2935 AVFormatContext *oc;
2936 int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
2937 int codec_id;
2938 AVFormatParameters params, *ap = &params;
2939
2940 if (!strcmp(filename, "-"))
2941 filename = "pipe:";
2942
2943 oc = av_alloc_format_context();
2944
2945 if (!file_oformat) {
2946 file_oformat = guess_format(NULL, filename, NULL);
2947 if (!file_oformat) {
2948 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
2949 filename);
2950 exit(1);
2951 }
2952 }
2953
2954 oc->oformat = file_oformat;
2955
2956 if (!strcmp(file_oformat->name, "ffm") &&
2957 strstart(filename, "http:", NULL)) {
2958 /* special case for files sent to ffserver: we get the stream
2959 parameters from ffserver */
2960 if (read_ffserver_streams(oc, filename) < 0) {
2961 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
2962 exit(1);
2963 }
2964 } else {
2965 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy;
2966 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy;
2967
2968 /* disable if no corresponding type found and at least one
2969 input file */
2970 if (nb_input_files > 0) {
2971 check_audio_video_inputs(&input_has_video, &input_has_audio);
2972 if (!input_has_video)
2973 use_video = 0;
2974 if (!input_has_audio)
2975 use_audio = 0;
2976 }
2977
2978 /* manual disable */
2979 if (audio_disable) {
2980 use_audio = 0;
2981 }
2982 if (video_disable) {
2983 use_video = 0;
2984 }
2985
2986 nb_streams = 0;
2987 if (use_video) {
2988 AVCodecContext *video_enc;
2989
2990 st = av_new_stream(oc, nb_streams++);
2991 if (!st) {
2992 fprintf(stderr, "Could not alloc stream\n");
2993 exit(1);
2994 }
2995 #if defined(HAVE_THREADS)
2996 if(thread_count>1)
2997 avcodec_thread_init(&st->codec, thread_count);
2998 #endif
2999
3000 video_enc = &st->codec;
3001
3002 if(video_codec_tag)
3003 video_enc->codec_tag= video_codec_tag;
3004
3005 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
3006 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3007 if (video_stream_copy) {
3008 st->stream_copy = 1;
3009 video_enc->codec_type = CODEC_TYPE_VIDEO;
3010 } else {
3011 char *p;
3012 int i;
3013 AVCodec *codec;
3014
3015 codec_id = av_guess_codec(file_oformat, NULL, filename, NULL, CODEC_TYPE_VIDEO);
3016 if (video_codec_id != CODEC_ID_NONE)
3017 codec_id = video_codec_id;
3018
3019 video_enc->codec_id = codec_id;
3020 codec = avcodec_find_encoder(codec_id);
3021
3022 video_enc->bit_rate = video_bit_rate;
3023 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
3024 video_enc->frame_rate = frame_rate;
3025 video_enc->frame_rate_base = frame_rate_base;
3026 if(codec && codec->supported_framerates){
3027 const AVRational *p= codec->supported_framerates;
3028 AVRational req= (AVRational){frame_rate, frame_rate_base};
3029 const AVRational *best=NULL;
3030 AVRational best_error= (AVRational){INT_MAX, 1};
3031 for(; p->den!=0; p++){
3032 AVRational error= av_sub_q(req, *p);
3033 if(error.num <0) error.num *= -1;
3034 if(av_cmp_q(error, best_error) < 0){
3035 best_error= error;
3036 best= p;
3037 }
3038 }
3039 video_enc->frame_rate = best->num;
3040 video_enc->frame_rate_base= best->den;
3041 }
3042
3043 video_enc->width = frame_width + frame_padright + frame_padleft;
3044 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3045 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3046 video_enc->pix_fmt = frame_pix_fmt;
3047
3048 if(codec && codec->pix_fmts){
3049 const enum PixelFormat *p= codec->pix_fmts;
3050 for(; *p!=-1; p++){
3051 if(*p == video_enc->pix_fmt)
3052 break;
3053 }
3054 if(*p == -1)
3055 video_enc->pix_fmt = codec->pix_fmts[0];
3056 }
3057
3058 if (!intra_only)
3059 video_enc->gop_size = gop_size;
3060 else
3061 video_enc->gop_size = 0;
3062 if (video_qscale || same_quality) {
3063 video_enc->flags |= CODEC_FLAG_QSCALE;
3064 st->quality = FF_QP2LAMBDA * video_qscale;
3065 }
3066
3067 if(intra_matrix)
3068 video_enc->intra_matrix = intra_matrix;
3069 if(inter_matrix)
3070 video_enc->inter_matrix = inter_matrix;
3071
3072 if(bitexact)
3073 video_enc->flags |= CODEC_FLAG_BITEXACT;
3074
3075 video_enc->mb_decision = mb_decision;
3076 video_enc->mb_cmp = mb_cmp;
3077 video_enc->ildct_cmp = ildct_cmp;
3078 video_enc->me_sub_cmp = sub_cmp;
3079 video_enc->me_cmp = cmp;
3080 video_enc->me_pre_cmp = pre_cmp;
3081 video_enc->pre_me = pre_me;
3082 video_enc->lumi_masking = lumi_mask;
3083 video_enc->dark_masking = dark_mask;
3084 video_enc->spatial_cplx_masking = scplx_mask;
3085 video_enc->temporal_cplx_masking = tcplx_mask;
3086 video_enc->p_masking = p_mask;
3087 video_enc->quantizer_noise_shaping= qns;
3088
3089 if (use_umv) {
3090 video_enc->flags |= CODEC_FLAG_H263P_UMV;
3091 }
3092 if (use_ss) {
3093 video_enc->flags |= CODEC_FLAG_H263P_SLICE_STRUCT;
3094 }
3095 if (use_aic) {
3096 video_enc->flags |= CODEC_FLAG_H263P_AIC;
3097 }
3098 if (use_aiv) {
3099 video_enc->flags |= CODEC_FLAG_H263P_AIV;
3100 }
3101 if (use_4mv) {
3102 video_enc->flags |= CODEC_FLAG_4MV;
3103 }
3104 if (use_obmc) {
3105 video_enc->flags |= CODEC_FLAG_OBMC;
3106 }
3107 if (use_loop) {
3108 video_enc->flags |= CODEC_FLAG_LOOP_FILTER;
3109 }
3110
3111 if(use_part) {
3112 video_enc->flags |= CODEC_FLAG_PART;
3113 }
3114 if (use_alt_scan) {
3115 video_enc->flags |= CODEC_FLAG_ALT_SCAN;
3116 }
3117 if (use_trell) {
3118 video_enc->flags |= CODEC_FLAG_TRELLIS_QUANT;
3119 }
3120 if (use_scan_offset) {
3121 video_enc->flags |= CODEC_FLAG_SVCD_SCAN_OFFSET;
3122 }
3123 if (closed_gop) {
3124 video_enc->flags |= CODEC_FLAG_CLOSED_GOP;
3125 }
3126 if (strict_gop) {
3127 video_enc->flags2 |= CODEC_FLAG2_STRICT_GOP;
3128 }
3129 if (use_qpel) {
3130 video_enc->flags |= CODEC_FLAG_QPEL;
3131 }
3132 if (use_qprd) {
3133 video_enc->flags |= CODEC_FLAG_QP_RD;
3134 }
3135 if (use_cbprd) {
3136 video_enc->flags |= CODEC_FLAG_CBP_RD;
3137 }
3138 if (b_frames) {
3139 video_enc->max_b_frames = b_frames;
3140 video_enc->b_frame_strategy = 0;
3141 video_enc->b_quant_factor = 2.0;
3142 }
3143 if (do_interlace_dct) {
3144 video_enc->flags |= CODEC_FLAG_INTERLACED_DCT;
3145 }
3146 if (do_interlace_me) {
3147 video_enc->flags |= CODEC_FLAG_INTERLACED_ME;
3148 }
3149 video_enc->qmin = video_qmin;
3150 video_enc->qmax = video_qmax;
3151 video_enc->lmin = video_lmin;
3152 video_enc->lmax = video_lmax;
3153 video_enc->mb_qmin = video_mb_qmin;
3154 video_enc->mb_qmax = video_mb_qmax;
3155 video_enc->max_qdiff = video_qdiff;
3156 video_enc->qblur = video_qblur;
3157 video_enc->qcompress = video_qcomp;
3158 video_enc->rc_eq = video_rc_eq;
3159 video_enc->debug = debug;
3160 video_enc->debug_mv = debug_mv;
3161 video_enc->thread_count = thread_count;
3162 p= video_rc_override_string;
3163 for(i=0; p; i++){
3164 int start, end, q;
3165 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3166 if(e!=3){
3167 fprintf(stderr, "error parsing rc_override\n");
3168 exit(1);
3169 }
3170 video_enc->rc_override=
3171 av_realloc(video_enc->rc_override,
3172 sizeof(RcOverride)*(i+1));
3173 video_enc->rc_override[i].start_frame= start;
3174 video_enc->rc_override[i].end_frame = end;
3175 if(q>0){
3176 video_enc->rc_override[i].qscale= q;
3177 video_enc->rc_override[i].quality_factor= 1.0;
3178 }
3179 else{
3180 video_enc->rc_override[i].qscale= 0;
3181 video_enc->rc_override[i].quality_factor= -q/100.0;
3182 }
3183 p= strchr(p, '/');
3184 if(p) p++;
3185 }
3186 video_enc->rc_override_count=i;
3187
3188 video_enc->rc_max_rate = video_rc_max_rate;
3189 video_enc->rc_min_rate = video_rc_min_rate;
3190 video_enc->rc_buffer_size = video_rc_buffer_size;
3191 video_enc->rc_initial_buffer_occupancy = video_rc_buffer_size*3/4;
3192 video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
3193 video_enc->rc_initial_cplx= video_rc_initial_cplx;
3194 video_enc->i_quant_factor = video_i_qfactor;
3195 video_enc->b_quant_factor = video_b_qfactor;
3196 video_enc->i_quant_offset = video_i_qoffset;
3197 video_enc->b_quant_offset = video_b_qoffset;
3198 video_enc->intra_quant_bias = video_intra_quant_bias;
3199 video_enc->inter_quant_bias = video_inter_quant_bias;
3200 video_enc->dct_algo = dct_algo;
3201 video_enc->idct_algo = idct_algo;
3202 video_enc->me_threshold= me_threshold;
3203 video_enc->mb_threshold= mb_threshold;
3204 video_enc->intra_dc_precision= intra_dc_precision - 8;
3205 video_enc->strict_std_compliance = strict;
3206 video_enc->error_rate = error_rate;
3207 video_enc->noise_reduction= noise_reduction;
3208 video_enc->scenechange_threshold= sc_threshold;
3209 video_enc->me_range = me_range;
3210 video_enc->coder_type= coder;
3211 video_enc->context_model= context;
3212 video_enc->prediction_method= predictor;
3213 video_enc->profile= video_profile;
3214 video_enc->level= video_level;
3215 video_enc->nsse_weight= nsse_weight;
3216 video_enc->me_subpel_quality= subpel_quality;
3217
3218 if(packet_size){
3219 video_enc->rtp_mode= 1;
3220 video_enc->rtp_payload_size= packet_size;
3221 }
3222
3223 if (do_psnr)
3224 video_enc->flags|= CODEC_FLAG_PSNR;
3225
3226 video_enc->me_method = me_method;
3227
3228 /* two pass mode */
3229 if (do_pass) {
3230 if (do_pass == 1) {
3231 video_enc->flags |= CODEC_FLAG_PASS1;
3232 } else {
3233 video_enc->flags |= CODEC_FLAG_PASS2;
3234 }
3235 }
3236 }
3237 }
3238
3239 if (use_audio) {
3240 AVCodecContext *audio_enc;
3241
3242 st = av_new_stream(oc, nb_streams++);
3243 if (!st) {
3244 fprintf(stderr, "Could not alloc stream\n");
3245 exit(1);
3246 }
3247 #if defined(HAVE_THREADS)
3248 if(thread_count>1)
3249 avcodec_thread_init(&st->codec, thread_count);
3250 #endif
3251
3252 audio_enc = &st->codec;
3253 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3254
3255 if(audio_codec_tag)
3256 audio_enc->codec_tag= audio_codec_tag;
3257
3258 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
3259 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3260 if (audio_stream_copy) {
3261 st->stream_copy = 1;
3262 audio_enc->channels = audio_channels;
3263 } else {
3264 codec_id = av_guess_codec(file_oformat, NULL, filename, NULL, CODEC_TYPE_AUDIO);
3265 if (audio_codec_id != CODEC_ID_NONE)
3266 codec_id = audio_codec_id;
3267 audio_enc->codec_id = codec_id;
3268
3269 audio_enc->bit_rate = audio_bit_rate;
3270 audio_enc->strict_std_compliance = strict;
3271 audio_enc->thread_count = thread_count;
3272 /* For audio codecs other than AC3 or DTS we limit */
3273 /* the number of coded channels to stereo */
3274 if (audio_channels > 2 && codec_id != CODEC_ID_AC3
3275 && codec_id != CODEC_ID_DTS) {
3276 audio_enc->channels = 2;
3277 } else
3278 audio_enc->channels = audio_channels;
3279 }
3280 audio_enc->sample_rate = audio_sample_rate;
3281 }
3282
3283 oc->nb_streams = nb_streams;
3284
3285 if (!nb_streams) {
3286 fprintf(stderr, "No audio or video streams available\n");
3287 exit(1);
3288 }
3289
3290 oc->timestamp = rec_timestamp;
3291
3292 if (str_title)
3293 pstrcpy(oc->title, sizeof(oc->title), str_title);
3294 if (str_author)
3295 pstrcpy(oc->author, sizeof(oc->author), str_author);
3296 if (str_copyright)
3297 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
3298 if (str_comment)
3299 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
3300 }
3301
3302 output_files[nb_output_files++] = oc;
3303
3304 strcpy(oc->filename, filename);
3305
3306 /* check filename in case of an image number is expected */
3307 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3308 if (filename_number_test(oc->filename) < 0) {
3309 print_error(oc->filename, AVERROR_NUMEXPECTED);
3310 exit(1);
3311 }
3312 }
3313
3314 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3315 /* test if it already exists to avoid loosing precious files */
3316 if (!file_overwrite &&
3317 (strchr(filename, ':') == NULL ||
3318 strstart(filename, "file:", NULL))) {