10000l : fix a crash on x86 due to an horrible mistake in my x86_64 patch
[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 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
259
260 typedef struct AVOutputStream {
261 int file_index; /* file index */
262 int index; /* stream index in the output file */
263 int source_index; /* AVInputStream index */
264 AVStream *st; /* stream in the output file */
265 int encoding_needed; /* true if encoding needed for this stream */
266 int frame_number;
267 /* input pts and corresponding output pts
268 for A/V sync */
269 double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
270 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
271 /* video only */
272 int video_resample; /* video_resample and video_crop are mutually exclusive */
273 AVFrame pict_tmp; /* temporary image for resampling */
274 ImgReSampleContext *img_resample_ctx; /* for image resampling */
275
276 int video_crop; /* video_resample and video_crop are mutually exclusive */
277 int topBand; /* cropping area sizes */
278 int leftBand;
279
280 int video_pad; /* video_resample and video_pad are mutually exclusive */
281 int padtop; /* padding area sizes */
282 int padbottom;
283 int padleft;
284 int padright;
285
286 /* audio only */
287 int audio_resample;
288 ReSampleContext *resample; /* for audio resampling */
289 FifoBuffer fifo; /* for compression: one audio fifo per codec */
290 FILE *logfile;
291 } AVOutputStream;
292
293 typedef struct AVInputStream {
294 int file_index;
295 int index;
296 AVStream *st;
297 int discard; /* true if stream data should be discarded */
298 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
299 int64_t sample_index; /* current sample */
300
301 int64_t start; /* time when read started */
302 unsigned long frame; /* current frame */
303 int64_t next_pts; /* synthetic pts for cases where pkt.pts
304 is not defined */
305 int64_t pts; /* current pts */
306 int is_start; /* is 1 at the start and after a discontinuity */
307 } AVInputStream;
308
309 typedef struct AVInputFile {
310 int eof_reached; /* true if eof reached */
311 int ist_index; /* index of first stream in ist_table */
312 int buffer_size; /* current total buffer size */
313 int buffer_size_max; /* buffer size at which we consider we can stop
314 buffering */
315 int nb_streams; /* nb streams we are aware of */
316 } AVInputFile;
317
318 #ifndef CONFIG_WIN32
319
320 /* init terminal so that we can grab keys */
321 static struct termios oldtty;
322
323 static void term_exit(void)
324 {
325 tcsetattr (0, TCSANOW, &oldtty);
326 }
327
328 static volatile sig_atomic_t received_sigterm = 0;
329
330 static void
331 sigterm_handler(int sig)
332 {
333 received_sigterm = sig;
334 term_exit();
335 }
336
337 static void term_init(void)
338 {
339 struct termios tty;
340
341 tcgetattr (0, &tty);
342 oldtty = tty;
343
344 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
345 |INLCR|IGNCR|ICRNL|IXON);
346 tty.c_oflag |= OPOST;
347 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
348 tty.c_cflag &= ~(CSIZE|PARENB);
349 tty.c_cflag |= CS8;
350 tty.c_cc[VMIN] = 1;
351 tty.c_cc[VTIME] = 0;
352
353 tcsetattr (0, TCSANOW, &tty);
354
355 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
356 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
357 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
358 /*
359 register a function to be called at normal program termination
360 */
361 atexit(term_exit);
362 #ifdef CONFIG_BEOS_NETSERVER
363 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
364 #endif
365 }
366
367 /* read a key without blocking */
368 static int read_key(void)
369 {
370 int n = 1;
371 unsigned char ch;
372 #ifndef CONFIG_BEOS_NETSERVER
373 struct timeval tv;
374 fd_set rfds;
375
376 FD_ZERO(&rfds);
377 FD_SET(0, &rfds);
378 tv.tv_sec = 0;
379 tv.tv_usec = 0;
380 n = select(1, &rfds, NULL, NULL, &tv);
381 #endif
382 if (n > 0) {
383 n = read(0, &ch, 1);
384 if (n == 1)
385 return ch;
386
387 return n;
388 }
389 return -1;
390 }
391
392 static int decode_interrupt_cb(void)
393 {
394 return q_pressed || (q_pressed = read_key() == 'q');
395 }
396
397 #else
398
399 static volatile int received_sigterm = 0;
400
401 /* no interactive support */
402 static void term_exit(void)
403 {
404 }
405
406 static void term_init(void)
407 {
408 }
409
410 static int read_key(void)
411 {
412 return 0;
413 }
414
415 #endif
416
417 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
418 {
419 int i, err;
420 AVFormatContext *ic;
421
422 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
423 if (err < 0)
424 return err;
425 /* copy stream format */
426 s->nb_streams = ic->nb_streams;
427 for(i=0;i<ic->nb_streams;i++) {
428 AVStream *st;
429
430 st = av_mallocz(sizeof(AVStream));
431 memcpy(st, ic->streams[i], sizeof(AVStream));
432 s->streams[i] = st;
433 }
434
435 av_close_input_file(ic);
436 return 0;
437 }
438
439 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
440
441 static void do_audio_out(AVFormatContext *s,
442 AVOutputStream *ost,
443 AVInputStream *ist,
444 unsigned char *buf, int size)
445 {
446 uint8_t *buftmp;
447 static uint8_t *audio_buf = NULL;
448 static uint8_t *audio_out = NULL;
449 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
450
451 int size_out, frame_bytes, ret;
452 AVCodecContext *enc= &ost->st->codec;
453
454 /* SC: dynamic allocation of buffers */
455 if (!audio_buf)
456 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
457 if (!audio_out)
458 audio_out = av_malloc(audio_out_size);
459 if (!audio_buf || !audio_out)
460 return; /* Should signal an error ! */
461
462 if(audio_sync_method){
463 double delta = ost->sync_ipts * enc->sample_rate - ost->sync_opts
464 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2);
465 double idelta= delta*ist->st->codec.sample_rate / enc->sample_rate;
466 int byte_delta= ((int)idelta)*2*ist->st->codec.channels;
467
468 //FIXME resample delay
469 if(fabs(delta) > 50){
470 if(ist->is_start){
471 if(byte_delta < 0){
472 byte_delta= FFMAX(byte_delta, -size);
473 size += byte_delta;
474 buf -= byte_delta;
475 if(verbose > 2)
476 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
477 if(!size)
478 return;
479 ist->is_start=0;
480 }else{
481 static uint8_t *input_tmp= NULL;
482 input_tmp= av_realloc(input_tmp, byte_delta + size);
483
484 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
485 ist->is_start=0;
486 else
487 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
488
489 memset(input_tmp, 0, byte_delta);
490 memcpy(input_tmp + byte_delta, buf, size);
491 buf= input_tmp;
492 size += byte_delta;
493 if(verbose > 2)
494 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
495 }
496 }else if(audio_sync_method>1){
497 int comp= clip(delta, -audio_sync_method, audio_sync_method);
498 assert(ost->audio_resample);
499 if(verbose > 2)
500 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
501 // 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));
502 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
503 }
504 }
505 }else
506 ost->sync_opts= lrintf(ost->sync_ipts * enc->sample_rate)
507 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2); //FIXME wrong
508
509 if (ost->audio_resample) {
510 buftmp = audio_buf;
511 size_out = audio_resample(ost->resample,
512 (short *)buftmp, (short *)buf,
513 size / (ist->st->codec.channels * 2));
514 size_out = size_out * enc->channels * 2;
515 } else {
516 buftmp = buf;
517 size_out = size;
518 }
519
520 /* now encode as many frames as possible */
521 if (enc->frame_size > 1) {
522 /* output resampled raw samples */
523 fifo_write(&ost->fifo, buftmp, size_out,
524 &ost->fifo.wptr);
525
526 frame_bytes = enc->frame_size * 2 * enc->channels;
527
528 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
529 &ost->fifo.rptr) == 0) {
530 AVPacket pkt;
531 av_init_packet(&pkt);
532
533 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
534 (short *)audio_buf);
535 audio_size += ret;
536 pkt.stream_index= ost->index;
537 pkt.data= audio_out;
538 pkt.size= ret;
539 if(enc->coded_frame)
540 pkt.pts= enc->coded_frame->pts;
541 pkt.flags |= PKT_FLAG_KEY;
542 av_interleaved_write_frame(s, &pkt);
543
544 ost->sync_opts += enc->frame_size;
545 }
546 } else {
547 AVPacket pkt;
548 av_init_packet(&pkt);
549
550 ost->sync_opts += size_out / (2 * enc->channels);
551
552 /* output a pcm frame */
553 /* XXX: change encoding codec API to avoid this ? */
554 switch(enc->codec->id) {
555 case CODEC_ID_PCM_S16LE:
556 case CODEC_ID_PCM_S16BE:
557 case CODEC_ID_PCM_U16LE:
558 case CODEC_ID_PCM_U16BE:
559 break;
560 default:
561 size_out = size_out >> 1;
562 break;
563 }
564 ret = avcodec_encode_audio(enc, audio_out, size_out,
565 (short *)buftmp);
566 audio_size += ret;
567 pkt.stream_index= ost->index;
568 pkt.data= audio_out;
569 pkt.size= ret;
570 if(enc->coded_frame)
571 pkt.pts= enc->coded_frame->pts;
572 pkt.flags |= PKT_FLAG_KEY;
573 av_interleaved_write_frame(s, &pkt);
574 }
575 }
576
577 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
578 {
579 AVCodecContext *dec;
580 AVPicture *picture2;
581 AVPicture picture_tmp;
582 uint8_t *buf = 0;
583
584 dec = &ist->st->codec;
585
586 /* deinterlace : must be done before any resize */
587 if (do_deinterlace || using_vhook) {
588 int size;
589
590 /* create temporary picture */
591 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
592 buf = av_malloc(size);
593 if (!buf)
594 return;
595
596 picture2 = &picture_tmp;
597 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
598
599 if (do_deinterlace){
600 if(avpicture_deinterlace(picture2, picture,
601 dec->pix_fmt, dec->width, dec->height) < 0) {
602 /* if error, do not deinterlace */
603 av_free(buf);
604 buf = NULL;
605 picture2 = picture;
606 }
607 } else {
608 if (img_convert(picture2, dec->pix_fmt, picture,
609 dec->pix_fmt, dec->width, dec->height) < 0) {
610 /* if error, do not copy */
611 av_free(buf);
612 buf = NULL;
613 picture2 = picture;
614 }
615 }
616 } else {
617 picture2 = picture;
618 }
619
620 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
621
622 if (picture != picture2)
623 *picture = *picture2;
624 *bufp = buf;
625 }
626
627 /* we begin to correct av delay at this threshold */
628 #define AV_DELAY_MAX 0.100
629
630
631 /* Expects img to be yuv420 */
632 static void fill_pad_region(AVPicture* img, int height, int width,
633 int padtop, int padbottom, int padleft, int padright, int *color) {
634
635 int i, y, shift;
636 uint8_t *optr;
637
638 for (i = 0; i < 3; i++) {
639 shift = (i == 0) ? 0 : 1;
640
641 if (padtop || padleft) {
642 memset(img->data[i], color[i], (((img->linesize[i] * padtop) +
643 padleft) >> shift));
644 }
645
646 if (padleft || padright) {
647 optr = img->data[i] + (img->linesize[i] * (padtop >> shift)) +
648 (img->linesize[i] - (padright >> shift));
649
650 for (y = 0; y < ((height - (padtop + padbottom)) >> shift); y++) {
651 memset(optr, color[i], (padleft + padright) >> shift);
652 optr += img->linesize[i];
653 }
654 }
655
656 if (padbottom) {
657 optr = img->data[i] + (img->linesize[i] * ((height - padbottom) >> shift));
658 memset(optr, color[i], ((img->linesize[i] * padbottom) >> shift));
659 }
660 }
661 }
662
663 static uint8_t *bit_buffer= NULL;
664
665 static void do_video_out(AVFormatContext *s,
666 AVOutputStream *ost,
667 AVInputStream *ist,
668 AVFrame *in_picture,
669 int *frame_size)
670 {
671 int nb_frames, i, ret;
672 AVFrame *final_picture, *formatted_picture;
673 AVFrame picture_format_temp, picture_crop_temp;
674 uint8_t *buf = NULL, *buf1 = NULL;
675 AVCodecContext *enc, *dec;
676 enum PixelFormat target_pixfmt;
677
678 #define VIDEO_BUFFER_SIZE (1024*1024)
679
680 avcodec_get_frame_defaults(&picture_format_temp);
681 avcodec_get_frame_defaults(&picture_crop_temp);
682
683 enc = &ost->st->codec;
684 dec = &ist->st->codec;
685
686 /* by default, we output a single frame */
687 nb_frames = 1;
688
689 *frame_size = 0;
690
691 if(video_sync_method){
692 double vdelta;
693 vdelta = ost->sync_ipts * enc->frame_rate / enc->frame_rate_base - ost->sync_opts;
694 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
695 if (vdelta < -1.1)
696 nb_frames = 0;
697 else if (vdelta > 1.1)
698 nb_frames = lrintf(vdelta - 1.1 + 0.5);
699 //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);
700 if (nb_frames == 0){
701 ++nb_frames_drop;
702 if (verbose>2)
703 fprintf(stderr, "*** drop!\n");
704 }else if (nb_frames > 1) {
705 nb_frames_dup += nb_frames;
706 if (verbose>2)
707 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
708 }
709 }else
710 ost->sync_opts= lrintf(ost->sync_ipts * enc->frame_rate / enc->frame_rate_base);
711
712 if (nb_frames <= 0)
713 return;
714
715 /* convert pixel format if needed */
716 target_pixfmt = ost->video_resample || ost->video_pad
717 ? PIX_FMT_YUV420P : enc->pix_fmt;
718 if (dec->pix_fmt != target_pixfmt) {
719 int size;
720
721 /* create temporary picture */
722 size = avpicture_get_size(target_pixfmt, dec->width, dec->height);
723 buf = av_malloc(size);
724 if (!buf)
725 return;
726 formatted_picture = &picture_format_temp;
727 avpicture_fill((AVPicture*)formatted_picture, buf, target_pixfmt, dec->width, dec->height);
728
729 if (img_convert((AVPicture*)formatted_picture, target_pixfmt,
730 (AVPicture *)in_picture, dec->pix_fmt,
731 dec->width, dec->height) < 0) {
732
733 if (verbose >= 0)
734 fprintf(stderr, "pixel format conversion not handled\n");
735
736 goto the_end;
737 }
738 } else {
739 formatted_picture = in_picture;
740 }
741
742 /* XXX: resampling could be done before raw format conversion in
743 some cases to go faster */
744 /* XXX: only works for YUV420P */
745 if (ost->video_resample) {
746 final_picture = &ost->pict_tmp;
747 img_resample(ost->img_resample_ctx, (AVPicture*)final_picture, (AVPicture*)formatted_picture);
748
749 if (ost->padtop || ost->padbottom || ost->padleft || ost->padright) {
750 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
751 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
752 padcolor);
753 }
754
755 if (enc->pix_fmt != PIX_FMT_YUV420P) {
756 int size;
757
758 av_free(buf);
759 /* create temporary picture */
760 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
761 buf = av_malloc(size);
762 if (!buf)
763 return;
764 final_picture = &picture_format_temp;
765 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
766
767 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
768 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
769 enc->width, enc->height) < 0) {
770
771 if (verbose >= 0)
772 fprintf(stderr, "pixel format conversion not handled\n");
773
774 goto the_end;
775 }
776 }
777 } else if (ost->video_crop) {
778 picture_crop_temp.data[0] = formatted_picture->data[0] +
779 (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
780
781 picture_crop_temp.data[1] = formatted_picture->data[1] +
782 ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
783 (ost->leftBand >> 1);
784
785 picture_crop_temp.data[2] = formatted_picture->data[2] +
786 ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
787 (ost->leftBand >> 1);
788
789 picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
790 picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
791 picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
792 final_picture = &picture_crop_temp;
793 } else if (ost->video_pad) {
794 final_picture = &ost->pict_tmp;
795
796 for (i = 0; i < 3; i++) {
797 uint8_t *optr, *iptr;
798 int shift = (i == 0) ? 0 : 1;
799 int y, yheight;
800
801 /* set offset to start writing image into */
802 optr = final_picture->data[i] + (((final_picture->linesize[i] *
803 ost->padtop) + ost->padleft) >> shift);
804 iptr = formatted_picture->data[i];
805
806 yheight = (enc->height - ost->padtop - ost->padbottom) >> shift;
807 for (y = 0; y < yheight; y++) {
808 /* copy unpadded image row into padded image row */
809 memcpy(optr, iptr, formatted_picture->linesize[i]);
810 optr += final_picture->linesize[i];
811 iptr += formatted_picture->linesize[i];
812 }
813 }
814
815 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
816 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
817 padcolor);
818
819 if (enc->pix_fmt != PIX_FMT_YUV420P) {
820 int size;
821
822 av_free(buf);
823 /* create temporary picture */
824 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
825 buf = av_malloc(size);
826 if (!buf)
827 return;
828 final_picture = &picture_format_temp;
829 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
830
831 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
832 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
833 enc->width, enc->height) < 0) {
834
835 if (verbose >= 0)
836 fprintf(stderr, "pixel format conversion not handled\n");
837
838 goto the_end;
839 }
840 }
841 } else {
842 final_picture = formatted_picture;
843 }
844 /* duplicates frame if needed */
845 for(i=0;i<nb_frames;i++) {
846 AVPacket pkt;
847 av_init_packet(&pkt);
848 pkt.stream_index= ost->index;
849
850 if (s->oformat->flags & AVFMT_RAWPICTURE) {
851 /* raw pictures are written as AVPicture structure to
852 avoid any copies. We support temorarily the older
853 method. */
854 AVFrame* old_frame = enc->coded_frame;
855 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
856 pkt.data= (uint8_t *)final_picture;
857 pkt.size= sizeof(AVPicture);
858 if(dec->coded_frame)
859 pkt.pts= dec->coded_frame->pts;
860 if(dec->coded_frame && dec->coded_frame->key_frame)
861 pkt.flags |= PKT_FLAG_KEY;
862
863 av_interleaved_write_frame(s, &pkt);
864 enc->coded_frame = old_frame;
865 } else {
866 AVFrame big_picture;
867
868 big_picture= *final_picture;
869 /* better than nothing: use input picture interlaced
870 settings */
871 big_picture.interlaced_frame = in_picture->interlaced_frame;
872 if(do_interlace_me || do_interlace_dct){
873 if(top_field_first == -1)
874 big_picture.top_field_first = in_picture->top_field_first;
875 else
876 big_picture.top_field_first = top_field_first;
877 }
878
879 /* handles sameq here. This is not correct because it may
880 not be a global option */
881 if (same_quality) {
882 big_picture.quality = ist->st->quality;
883 }else
884 big_picture.quality = ost->st->quality;
885 if(!me_threshold)
886 big_picture.pict_type = 0;
887 // big_picture.pts = AV_NOPTS_VALUE;
888 big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->frame_rate_base, enc->frame_rate);
889 //av_log(NULL, AV_LOG_DEBUG, "%lld -> encoder\n", ost->sync_opts);
890 ret = avcodec_encode_video(enc,
891 bit_buffer, VIDEO_BUFFER_SIZE,
892 &big_picture);
893 //enc->frame_number = enc->real_pict_num;
894 if(ret){
895 pkt.data= bit_buffer;
896 pkt.size= ret;
897 if(enc->coded_frame)
898 pkt.pts= enc->coded_frame->pts;
899 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %lld/%lld\n",
900 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->frame_rate, AV_TIME_BASE*(int64_t)enc->frame_rate_base) : -1,
901 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->frame_rate, AV_TIME_BASE*(int64_t)enc->frame_rate_base) : -1);*/
902
903 if(enc->coded_frame && enc->coded_frame->key_frame)
904 pkt.flags |= PKT_FLAG_KEY;
905 av_interleaved_write_frame(s, &pkt);
906 *frame_size = ret;
907 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
908 // enc->frame_number-1, enc->real_pict_num, ret,
909 // enc->pict_type);
910 /* if two pass, output log */
911 if (ost->logfile && enc->stats_out) {
912 fprintf(ost->logfile, "%s", enc->stats_out);
913 }
914 }
915 }
916 ost->sync_opts++;
917 ost->frame_number++;
918 }
919 the_end:
920 av_free(buf);
921 av_free(buf1);
922 }
923
924 static double psnr(double d){
925 if(d==0) return INFINITY;
926 return -10.0*log(d)/log(10.0);
927 }
928
929 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
930 int frame_size)
931 {
932 static FILE *fvstats=NULL;
933 char filename[40];
934 time_t today2;
935 struct tm *today;
936 AVCodecContext *enc;
937 int frame_number;
938 int64_t ti;
939 double ti1, bitrate, avg_bitrate;
940
941 if (!fvstats) {
942 today2 = time(NULL);
943 today = localtime(&today2);
944 sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour,
945 today->tm_min,
946 today->tm_sec);
947 fvstats = fopen(filename,"w");
948 if (!fvstats) {
949 perror("fopen");
950 exit(1);
951 }
952 }
953
954 ti = MAXINT64;
955 enc = &ost->st->codec;
956 if (enc->codec_type == CODEC_TYPE_VIDEO) {
957 frame_number = ost->frame_number;
958 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
959 if (enc->flags&CODEC_FLAG_PSNR)
960 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
961
962 fprintf(fvstats,"f_size= %6d ", frame_size);
963 /* compute pts value */
964 ti1 = (double)ost->sync_opts *enc->frame_rate_base / enc->frame_rate;
965 if (ti1 < 0.01)
966 ti1 = 0.01;
967
968 bitrate = (double)(frame_size * 8) * enc->frame_rate / enc->frame_rate_base / 1000.0;
969 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
970 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
971 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
972 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
973 }
974 }
975
976 static void print_report(AVFormatContext **output_files,
977 AVOutputStream **ost_table, int nb_ostreams,
978 int is_last_report)
979 {
980 char buf[1024];
981 AVOutputStream *ost;
982 AVFormatContext *oc, *os;
983 int64_t total_size;
984 AVCodecContext *enc;
985 int frame_number, vid, i;
986 double bitrate, ti1, pts;
987 static int64_t last_time = -1;
988
989 if (!is_last_report) {
990 int64_t cur_time;
991 /* display the report every 0.5 seconds */
992 cur_time = av_gettime();
993 if (last_time == -1) {
994 last_time = cur_time;
995 return;
996 }
997 if ((cur_time - last_time) < 500000)
998 return;
999 last_time = cur_time;
1000 }
1001
1002
1003 oc = output_files[0];
1004
1005 total_size = url_ftell(&oc->pb);
1006
1007 buf[0] = '\0';
1008 ti1 = 1e10;
1009 vid = 0;
1010 for(i=0;i<nb_ostreams;i++) {
1011 ost = ost_table[i];
1012 os = output_files[ost->file_index];
1013 enc = &ost->st->codec;
1014 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1015 sprintf(buf + strlen(buf), "q=%2.1f ",
1016 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1017 }
1018 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1019 frame_number = ost->frame_number;
1020 sprintf(buf + strlen(buf), "frame=%5d q=%2.1f ",
1021 frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : 0);
1022 if(is_last_report)
1023 sprintf(buf + strlen(buf), "L");
1024 if (enc->flags&CODEC_FLAG_PSNR){
1025 int j;
1026 double error, error_sum=0;
1027 double scale, scale_sum=0;
1028 char type[3]= {'Y','U','V'};
1029 sprintf(buf + strlen(buf), "PSNR=");
1030 for(j=0; j<3; j++){
1031 if(is_last_report){
1032 error= enc->error[j];
1033 scale= enc->width*enc->height*255.0*255.0*frame_number;
1034 }else{
1035 error= enc->coded_frame->error[j];
1036 scale= enc->width*enc->height*255.0*255.0;
1037 }
1038 if(j) scale/=4;
1039 error_sum += error;
1040 scale_sum += scale;
1041 sprintf(buf + strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1042 }
1043 sprintf(buf + strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1044 }
1045 vid = 1;
1046 }
1047 /* compute min output value */
1048 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1049 if ((pts < ti1) && (pts > 0))
1050 ti1 = pts;
1051 }
1052 if (ti1 < 0.01)
1053 ti1 = 0.01;
1054
1055 if (verbose || is_last_report) {
1056 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1057
1058 sprintf(buf + strlen(buf),
1059 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1060 (double)total_size / 1024, ti1, bitrate);
1061
1062 if (verbose > 1)
1063 sprintf(buf + strlen(buf), " dup=%d drop=%d",
1064 nb_frames_dup, nb_frames_drop);
1065
1066 if (verbose >= 0)
1067 fprintf(stderr, "%s \r", buf);
1068
1069 fflush(stderr);
1070 }
1071
1072 if (is_last_report && verbose >= 0){
1073 int64_t raw= audio_size + video_size + extra_size;
1074 fprintf(stderr, "\n");
1075 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1076 video_size/1024.0,
1077 audio_size/1024.0,
1078 extra_size/1024.0,
1079 100.0*(total_size - raw)/raw
1080 );
1081 }
1082 }
1083
1084 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1085 static int output_packet(AVInputStream *ist, int ist_index,
1086 AVOutputStream **ost_table, int nb_ostreams,
1087 const AVPacket *pkt)
1088 {
1089 AVFormatContext *os;
1090 AVOutputStream *ost;
1091 uint8_t *ptr;
1092 int len, ret, i;
1093 uint8_t *data_buf;
1094 int data_size, got_picture;
1095 AVFrame picture;
1096 void *buffer_to_free;
1097 static int samples_size= 0;
1098 static short *samples= NULL;
1099
1100 if(!pkt){
1101 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1102 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1103 ist->next_pts = ist->pts = pkt->dts;
1104 } else {
1105 assert(ist->pts == ist->next_pts);
1106 }
1107
1108 if (pkt == NULL) {
1109 /* EOF handling */
1110 ptr = NULL;
1111 len = 0;
1112 goto handle_eof;
1113 }
1114
1115 len = pkt->size;
1116 ptr = pkt->data;
1117 while (len > 0) {
1118 handle_eof:
1119 /* decode the packet if needed */
1120 data_buf = NULL; /* fail safe */
1121 data_size = 0;
1122 if (ist->decoding_needed) {
1123 switch(ist->st->codec.codec_type) {
1124 case CODEC_TYPE_AUDIO:{
1125 if(pkt)
1126 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size, AVCODEC_MAX_AUDIO_FRAME_SIZE));
1127 /* XXX: could avoid copy if PCM 16 bits with same
1128 endianness as CPU */
1129 ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
1130 ptr, len);
1131 if (ret < 0)
1132 goto fail_decode;
1133 ptr += ret;
1134 len -= ret;
1135 /* Some bug in mpeg audio decoder gives */
1136 /* data_size < 0, it seems they are overflows */
1137 if (data_size <= 0) {
1138 /* no audio frame */
1139 continue;
1140 }
1141 data_buf = (uint8_t *)samples;
1142 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1143 (ist->st->codec.sample_rate * ist->st->codec.channels);
1144 break;}
1145 case CODEC_TYPE_VIDEO:
1146 data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
1147 /* XXX: allocate picture correctly */
1148 avcodec_get_frame_defaults(&picture);
1149
1150 ret = avcodec_decode_video(&ist->st->codec,
1151 &picture, &got_picture, ptr, len);
1152 ist->st->quality= picture.quality;
1153 if (ret < 0)
1154 goto fail_decode;
1155 if (!got_picture) {
1156 /* no picture yet */
1157 goto discard_packet;
1158 }
1159 if (ist->st->codec.frame_rate_base != 0) {
1160 ist->next_pts += ((int64_t)AV_TIME_BASE *
1161 ist->st->codec.frame_rate_base) /
1162 ist->st->codec.frame_rate;
1163 }
1164 len = 0;
1165 break;
1166 default:
1167 goto fail_decode;
1168 }
1169 } else {
1170 data_buf = ptr;
1171 data_size = len;
1172 ret = len;
1173 len = 0;
1174 }
1175
1176 buffer_to_free = NULL;
1177 if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1178 pre_process_video_frame(ist, (AVPicture *)&picture,
1179 &buffer_to_free);
1180 }
1181
1182 /* frame rate emulation */
1183 if (ist->st->codec.rate_emu) {
1184 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec.frame_rate_base, 1000000, ist->st->codec.frame_rate);
1185 int64_t now = av_gettime() - ist->start;
1186 if (pts > now)
1187 usleep(pts - now);
1188
1189 ist->frame++;
1190 }
1191
1192 #if 0
1193 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1194 is the one of the next displayed one */
1195 /* XXX: add mpeg4 too ? */
1196 if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
1197 if (ist->st->codec.pict_type != B_TYPE) {
1198 int64_t tmp;
1199 tmp = ist->last_ip_pts;
1200 ist->last_ip_pts = ist->frac_pts.val;
1201 ist->frac_pts.val = tmp;
1202 }
1203 }
1204 #endif
1205 /* if output time reached then transcode raw format,
1206 encode packets and output them */
1207 if (start_time == 0 || ist->pts >= start_time)
1208 for(i=0;i<nb_ostreams;i++) {
1209 int frame_size;
1210
1211 ost = ost_table[i];
1212 if (ost->source_index == ist_index) {
1213 os = output_files[ost->file_index];
1214
1215 #if 0
1216 printf("%d: got pts=%0.3f %0.3f\n", i,
1217 (double)pkt->pts / AV_TIME_BASE,
1218 ((double)ist->pts / AV_TIME_BASE) -
1219 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1220 #endif
1221 /* set the input output pts pairs */
1222 ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index])/ AV_TIME_BASE;
1223
1224 if (ost->encoding_needed) {
1225 switch(ost->st->codec.codec_type) {
1226 case CODEC_TYPE_AUDIO:
1227 do_audio_out(os, ost, ist, data_buf, data_size);
1228 break;
1229 case CODEC_TYPE_VIDEO:
1230 do_video_out(os, ost, ist, &picture, &frame_size);
1231 video_size += frame_size;
1232 if (do_vstats && frame_size)
1233 do_video_stats(os, ost, frame_size);
1234 break;
1235 default:
1236 av_abort();
1237 }
1238 } else {
1239 AVFrame avframe; //FIXME/XXX remove this
1240 AVPacket opkt;
1241 av_init_packet(&opkt);
1242
1243 /* no reencoding needed : output the packet directly */
1244 /* force the input stream PTS */
1245
1246 avcodec_get_frame_defaults(&avframe);
1247 ost->st->codec.coded_frame= &avframe;
1248 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1249
1250 if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO)
1251 audio_size += data_size;
1252 else if (ost->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1253 video_size += data_size;
1254 ost->sync_opts++;
1255 }
1256
1257 opkt.stream_index= ost->index;
1258 opkt.data= data_buf;
1259 opkt.size= data_size;
1260 if(pkt->pts != AV_NOPTS_VALUE)
1261 opkt.pts= pkt->pts + input_files_ts_offset[ist->file_index];
1262 else
1263 opkt.pts= AV_NOPTS_VALUE;
1264 opkt.dts= pkt->dts + input_files_ts_offset[ist->file_index];
1265 opkt.flags= pkt->flags;
1266
1267 av_interleaved_write_frame(os, &opkt);
1268 ost->st->codec.frame_number++;
1269 ost->frame_number++;
1270 }
1271 }
1272 }
1273 av_free(buffer_to_free);
1274 }
1275 discard_packet:
1276 if (pkt == NULL) {
1277 /* EOF handling */
1278
1279 for(i=0;i<nb_ostreams;i++) {
1280 ost = ost_table[i];
1281 if (ost->source_index == ist_index) {
1282 AVCodecContext *enc= &ost->st->codec;
1283 os = output_files[ost->file_index];
1284
1285 if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1286 continue;
1287 if(ost->st->codec.codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1288 continue;
1289
1290 if (ost->encoding_needed) {
1291 for(;;) {
1292 AVPacket pkt;
1293 av_init_packet(&pkt);
1294 pkt.stream_index= ost->index;
1295
1296 switch(ost->st->codec.codec_type) {
1297 case CODEC_TYPE_AUDIO:
1298 ret = avcodec_encode_audio(enc, bit_buffer, VIDEO_BUFFER_SIZE, NULL);
1299 audio_size += ret;
1300 pkt.flags |= PKT_FLAG_KEY;
1301 break;
1302 case CODEC_TYPE_VIDEO:
1303 ret = avcodec_encode_video(enc, bit_buffer, VIDEO_BUFFER_SIZE, NULL);
1304 video_size += ret;
1305 if(enc->coded_frame && enc->coded_frame->key_frame)
1306 pkt.flags |= PKT_FLAG_KEY;
1307 if (ost->logfile && enc->stats_out) {
1308 fprintf(ost->logfile, "%s", enc->stats_out);
1309 }
1310 break;
1311 default:
1312 ret=-1;
1313 }
1314
1315 if(ret<=0)
1316 break;
1317 pkt.data= bit_buffer;
1318 pkt.size= ret;
1319 if(enc->coded_frame)
1320 pkt.pts= enc->coded_frame->pts;
1321 av_interleaved_write_frame(os, &pkt);
1322 }
1323 }
1324 }
1325 }
1326 }
1327
1328 return 0;
1329 fail_decode:
1330 return -1;
1331 }
1332
1333
1334 /*
1335 * The following code is the main loop of the file converter
1336 */
1337 static int av_encode(AVFormatContext **output_files,
1338 int nb_output_files,
1339 AVFormatContext **input_files,
1340 int nb_input_files,
1341 AVStreamMap *stream_maps, int nb_stream_maps)
1342 {
1343 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1344 AVFormatContext *is, *os;
1345 AVCodecContext *codec, *icodec;
1346 AVOutputStream *ost, **ost_table = NULL;
1347 AVInputStream *ist, **ist_table = NULL;
1348 AVInputFile *file_table;
1349 AVFormatContext *stream_no_data;
1350 int key;
1351
1352 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1353 if (!file_table)
1354 goto fail;
1355
1356 if (!bit_buffer)
1357 bit_buffer = av_malloc(VIDEO_BUFFER_SIZE);
1358 if (!bit_buffer)
1359 goto fail;
1360
1361 /* input stream init */
1362 j = 0;
1363 for(i=0;i<nb_input_files;i++) {
1364 is = input_files[i];
1365 file_table[i].ist_index = j;
1366 file_table[i].nb_streams = is->nb_streams;
1367 j += is->nb_streams;
1368 }
1369 nb_istreams = j;
1370
1371 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1372 if (!ist_table)
1373 goto fail;
1374
1375 for(i=0;i<nb_istreams;i++) {
1376 ist = av_mallocz(sizeof(AVInputStream));
1377 if (!ist)
1378 goto fail;
1379 ist_table[i] = ist;
1380 }
1381 j = 0;
1382 for(i=0;i<nb_input_files;i++) {
1383 is = input_files[i];
1384 for(k=0;k<is->nb_streams;k++) {
1385 ist = ist_table[j++];
1386 ist->st = is->streams[k];
1387 ist->file_index = i;
1388 ist->index = k;
1389 ist->discard = 1; /* the stream is discarded by default
1390 (changed later) */
1391
1392 if (ist->st->codec.rate_emu) {
1393 ist->start = av_gettime();
1394 ist->frame = 0;
1395 }
1396 }
1397 }
1398
1399 /* output stream init */
1400 nb_ostreams = 0;
1401 for(i=0;i<nb_output_files;i++) {
1402 os = output_files[i];
1403 nb_ostreams += os->nb_streams;
1404 }
1405 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1406 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1407 exit(1);
1408 }
1409
1410 /* Sanity check the mapping args -- do the input files & streams exist? */
1411 for(i=0;i<nb_stream_maps;i++) {
1412 int fi = stream_maps[i].file_index;
1413 int si = stream_maps[i].stream_index;
1414
1415 if (fi < 0 || fi > nb_input_files - 1 ||
1416 si < 0 || si > file_table[fi].nb_streams - 1) {
1417 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1418 exit(1);
1419 }
1420 }
1421
1422 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1423 if (!ost_table)
1424 goto fail;
1425 for(i=0;i<nb_ostreams;i++) {
1426 ost = av_mallocz(sizeof(AVOutputStream));
1427 if (!ost)
1428 goto fail;
1429 ost_table[i] = ost;
1430 }
1431
1432 n = 0;
1433 for(k=0;k<nb_output_files;k++) {
1434 os = output_files[k];
1435 for(i=0;i<os->nb_streams;i++) {
1436 int found;
1437 ost = ost_table[n++];
1438 ost->file_index = k;
1439 ost->index = i;
1440 ost->st = os->streams[i];
1441 if (nb_stream_maps > 0) {
1442 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1443 stream_maps[n-1].stream_index;
1444
1445 /* Sanity check that the stream types match */
1446 if (ist_table[ost->source_index]->st->codec.codec_type != ost->st->codec.codec_type) {
1447 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1448 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1449 ost->file_index, ost->index);
1450 exit(1);
1451 }
1452
1453 } else {
1454 /* get corresponding input stream index : we select the first one with the right type */
1455 found = 0;
1456 for(j=0;j<nb_istreams;j++) {
1457 ist = ist_table[j];
1458 if (ist->discard &&
1459 ist->st->codec.codec_type == ost->st->codec.codec_type) {
1460 ost->source_index = j;
1461 found = 1;
1462 break;
1463 }
1464 }
1465
1466 if (!found) {
1467 /* try again and reuse existing stream */
1468 for(j=0;j<nb_istreams;j++) {
1469 ist = ist_table[j];
1470 if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
1471 ost->source_index = j;
1472 found = 1;
1473 }
1474 }
1475 if (!found) {
1476 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1477 ost->file_index, ost->index);
1478 exit(1);
1479 }
1480 }
1481 }
1482 ist = ist_table[ost->source_index];
1483 ist->discard = 0;
1484 }
1485 }
1486
1487 /* for each output stream, we compute the right encoding parameters */
1488 for(i=0;i<nb_ostreams;i++) {
1489 ost = ost_table[i];
1490 ist = ist_table[ost->source_index];
1491
1492 codec = &ost->st->codec;
1493 icodec = &ist->st->codec;
1494
1495 if (ost->st->stream_copy) {
1496 /* if stream_copy is selected, no need to decode or encode */
1497 codec->codec_id = icodec->codec_id;
1498 codec->codec_type = icodec->codec_type;
1499 if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1500 codec->bit_rate = icodec->bit_rate;
1501 switch(codec->codec_type) {
1502 case CODEC_TYPE_AUDIO:
1503 codec->sample_rate = icodec->sample_rate;
1504 codec->channels = icodec->channels;
1505 codec->frame_size = icodec->frame_size;
1506 break;
1507 case CODEC_TYPE_VIDEO:
1508 codec->frame_rate = icodec->frame_rate;
1509 codec->frame_rate_base = icodec->frame_rate_base;
1510 codec->width = icodec->width;
1511 codec->height = icodec->height;
1512 break;
1513 default:
1514 av_abort();
1515 }
1516 } else {
1517 switch(codec->codec_type) {
1518 case CODEC_TYPE_AUDIO:
1519 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1520 goto fail;
1521
1522 if (codec->channels == icodec->channels &&
1523 codec->sample_rate == icodec->sample_rate) {
1524 ost->audio_resample = 0;
1525 } else {
1526 if (codec->channels != icodec->channels &&
1527 (icodec->codec_id == CODEC_ID_AC3 ||
1528 icodec->codec_id == CODEC_ID_DTS)) {
1529 /* Special case for 5:1 AC3 and DTS input */
1530 /* and mono or stereo output */
1531 /* Request specific number of channels */
1532 icodec->channels = codec->channels;
1533 if (codec->sample_rate == icodec->sample_rate)
1534 ost->audio_resample = 0;
1535 else {
1536 ost->audio_resample = 1;
1537 }
1538 } else {
1539 ost->audio_resample = 1;
1540 }
1541 }
1542 if(audio_sync_method>1)
1543 ost->audio_resample = 1;
1544
1545 if(ost->audio_resample){
1546 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1547 codec->sample_rate, icodec->sample_rate);
1548 if(!ost->resample){
1549 printf("Can't resample. Aborting.\n");
1550 av_abort();
1551 }
1552 }
1553 ist->decoding_needed = 1;
1554 ost->encoding_needed = 1;
1555 break;
1556 case CODEC_TYPE_VIDEO:
1557 if (codec->width == icodec->width &&
1558 codec->height == icodec->height &&
1559 frame_topBand == 0 &&
1560 frame_bottomBand == 0 &&
1561 frame_leftBand == 0 &&
1562 frame_rightBand == 0 &&
1563 frame_padtop == 0 &&
1564 frame_padbottom == 0 &&
1565 frame_padleft == 0 &&
1566 frame_padright == 0)
1567 {
1568 ost->video_resample = 0;
1569 ost->video_crop = 0;
1570 ost->video_pad = 0;
1571 } else if ((codec->width == icodec->width -
1572 (frame_leftBand + frame_rightBand)) &&
1573 (codec->height == icodec->height -
1574 (frame_topBand + frame_bottomBand)))
1575 {
1576 ost->video_resample = 0;
1577 ost->video_crop = 1;
1578 ost->topBand = frame_topBand;
1579 ost->leftBand = frame_leftBand;
1580 } else if ((codec->width == icodec->width +
1581 (frame_padleft + frame_padright)) &&
1582 (codec->height == icodec->height +
1583 (frame_padtop + frame_padbottom))) {
1584 ost->video_resample = 0;
1585 ost->video_crop = 0;
1586 ost->video_pad = 1;
1587 ost->padtop = frame_padtop;
1588 ost->padleft = frame_padleft;
1589 ost->padbottom = frame_padbottom;
1590 ost->padright = frame_padright;
1591 avcodec_get_frame_defaults(&ost->pict_tmp);
1592 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1593 codec->width, codec->height ) )
1594 goto fail;
1595 } else {
1596 ost->video_resample = 1;
1597 ost->video_crop = 0; // cropping is handled as part of resample
1598 avcodec_get_frame_defaults(&ost->pict_tmp);
1599 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1600 codec->width, codec->height ) )
1601 goto fail;
1602
1603 ost->img_resample_ctx = img_resample_full_init(
1604 ost->st->codec.width, ost->st->codec.height,
1605 ist->st->codec.width, ist->st->codec.height,
1606 frame_topBand, frame_bottomBand,
1607 frame_leftBand, frame_rightBand,
1608 frame_padtop, frame_padbottom,
1609 frame_padleft, frame_padright);
1610
1611 ost->padtop = frame_padtop;
1612 ost->padleft = frame_padleft;
1613 ost->padbottom = frame_padbottom;
1614 ost->padright = frame_padright;
1615
1616 }
1617 ost->encoding_needed = 1;
1618 ist->decoding_needed = 1;
1619 break;
1620 default:
1621 av_abort();
1622 }
1623 /* two pass mode */
1624 if (ost->encoding_needed &&
1625 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1626 char logfilename[1024];
1627 FILE *f;
1628 int size;
1629 char *logbuffer;
1630
1631 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1632 pass_logfilename ?
1633 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1634 if (codec->flags & CODEC_FLAG_PASS1) {
1635 f = fopen(logfilename, "w");
1636 if (!f) {
1637 perror(logfilename);
1638 exit(1);
1639 }
1640 ost->logfile = f;
1641 } else {
1642 /* read the log file */
1643 f = fopen(logfilename, "r");
1644 if (!f) {
1645 perror(logfilename);
1646 exit(1);
1647 }
1648 fseek(f, 0, SEEK_END);
1649 size = ftell(f);
1650 fseek(f, 0, SEEK_SET);
1651 logbuffer = av_malloc(size + 1);
1652 if (!logbuffer) {
1653 fprintf(stderr, "Could not allocate log buffer\n");
1654 exit(1);
1655 }
1656 size = fread(logbuffer, 1, size, f);
1657 fclose(f);
1658 logbuffer[size] = '\0';
1659 codec->stats_in = logbuffer;
1660 }
1661 }
1662 }
1663 }
1664
1665 /* dump the file output parameters - cannot be done before in case
1666 of stream copy */
1667 for(i=0;i<nb_output_files;i++) {
1668 dump_format(output_files[i], i, output_files[i]->filename, 1);
1669 }
1670
1671 /* dump the stream mapping */
1672 if (verbose >= 0) {
1673 fprintf(stderr, "Stream mapping:\n");
1674 for(i=0;i<nb_ostreams;i++) {
1675 ost = ost_table[i];
1676 fprintf(stderr, " Stream #%d.%d -> #%d.%d\n",
1677 ist_table[ost->source_index]->file_index,
1678 ist_table[ost->source_index]->index,
1679 ost->file_index,
1680 ost->index);
1681 }
1682 }
1683
1684 /* open each encoder */
1685 for(i=0;i<nb_ostreams;i++) {
1686 ost = ost_table[i];
1687 if (ost->encoding_needed) {
1688 AVCodec *codec;
1689 codec = avcodec_find_encoder(ost->st->codec.codec_id);
1690 if (!codec) {
1691 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1692 ost->file_index, ost->index);
1693 exit(1);
1694 }
1695 if (avcodec_open(&ost->st->codec, codec) < 0) {
1696 fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1697 ost->file_index, ost->index);
1698 exit(1);
1699 }
1700 extra_size += ost->st->codec.extradata_size;
1701 }
1702 }
1703
1704 /* open each decoder */
1705 for(i=0;i<nb_istreams;i++) {
1706 ist = ist_table[i];
1707 if (ist->decoding_needed) {
1708 AVCodec *codec;
1709 codec = avcodec_find_decoder(ist->st->codec.codec_id);
1710 if (!codec) {
1711 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1712 ist->st->codec.codec_id, ist->file_index, ist->index);
1713 exit(1);
1714 }
1715 if (avcodec_open(&ist->st->codec, codec) < 0) {
1716 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1717 ist->file_index, ist->index);
1718 exit(1);
1719 }
1720 //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1721 // ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1722 }
1723 }
1724
1725 /* init pts */
1726 for(i=0;i<nb_istreams;i++) {
1727 ist = ist_table[i];
1728 is = input_files[ist->file_index];
1729 ist->pts = 0;
1730 ist->next_pts = ist->st->start_time;
1731 if(ist->next_pts == AV_NOPTS_VALUE)
1732 ist->next_pts=0;
1733 ist->is_start = 1;
1734 }
1735
1736 /* compute buffer size max (should use a complete heuristic) */
1737 for(i=0;i<nb_input_files;i++) {
1738 file_table[i].buffer_size_max = 2048;
1739 }
1740
1741 /* set meta data information from input file if required */
1742 for (i=0;i<nb_meta_data_maps;i++) {
1743 AVFormatContext *out_file;
1744 AVFormatContext *in_file;
1745
1746 int out_file_index = meta_data_maps[i].out_file;
1747 int in_file_index = meta_data_maps[i].in_file;
1748 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1749 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1750 ret = -EINVAL;
1751 goto fail;
1752 }
1753 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1754 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1755 ret = -EINVAL;
1756 goto fail;
1757 }
1758
1759 out_file = output_files[out_file_index];
1760 in_file = input_files[in_file_index];
1761
1762 strcpy(out_file->title, in_file->title);
1763 strcpy(out_file->author, in_file->author);
1764 strcpy(out_file->copyright, in_file->copyright);
1765 strcpy(out_file->comment, in_file->comment);
1766 strcpy(out_file->album, in_file->album);
1767 out_file->year = in_file->year;
1768 out_file->track = in_file->track;
1769 strcpy(out_file->genre, in_file->genre);
1770 }
1771
1772 /* open files and write file headers */
1773 for(i=0;i<nb_output_files;i++) {
1774 os = output_files[i];
1775 if (av_write_header(os) < 0) {
1776 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1777 ret = -EINVAL;
1778 goto fail;
1779 }
1780 }
1781
1782 #ifndef CONFIG_WIN32
1783 if ( !using_stdin && verbose >= 0) {
1784 fprintf(stderr, "Press [q] to stop encoding\n");
1785 url_set_interrupt_cb(decode_interrupt_cb);
1786 }
1787 #endif
1788 term_init();
1789
1790 stream_no_data = 0;
1791 key = -1;
1792
1793 for(; received_sigterm == 0;) {
1794 int file_index, ist_index;
1795 AVPacket pkt;
1796 double ipts_min;
1797 double opts_min;
1798
1799 redo:
1800 ipts_min= 1e100;
1801 opts_min= 1e100;
1802 /* if 'q' pressed, exits */
1803 if (!using_stdin) {
1804 if (q_pressed)
1805 break;
1806 /* read_key() returns 0 on EOF */
1807 key = read_key();
1808 if (key == 'q')
1809 break;
1810 }
1811
1812 /* select the stream that we must read now by looking at the
1813 smallest output pts */
1814 file_index = -1;
1815 for(i=0;i<nb_ostreams;i++) {
1816 double ipts, opts;
1817 ost = ost_table[i];
1818 os = output_files[ost->file_index];
1819 ist = ist_table[ost->source_index];
1820 if(ost->st->codec.codec_type == CODEC_TYPE_VIDEO)
1821 opts = (double)ost->sync_opts * ost->st->codec.frame_rate_base / ost->st->codec.frame_rate;
1822 else
1823 opts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1824 ipts = (double)ist->pts;
1825 if (!file_table[ist->file_index].eof_reached){
1826 if(ipts < ipts_min) {
1827 ipts_min = ipts;
1828 if(input_sync ) file_index = ist->file_index;
1829 }
1830 if(opts < opts_min) {
1831 opts_min = opts;
1832 if(!input_sync) file_index = ist->file_index;
1833 }
1834 }
1835 }
1836 /* if none, if is finished */
1837 if (file_index < 0) {
1838 break;
1839 }
1840
1841 /* finish if recording time exhausted */
1842 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1843 break;
1844
1845 /* read a frame from it and output it in the fifo */
1846 is = input_files[file_index];
1847 if (av_read_frame(is, &pkt) < 0) {
1848 file_table[file_index].eof_reached = 1;
1849 continue;
1850 }
1851
1852 if (!pkt.size) {
1853 stream_no_data = is;
1854 } else {
1855 stream_no_data = 0;
1856 }
1857 if (do_pkt_dump) {
1858 av_pkt_dump(stdout, &pkt, do_hex_dump);
1859 }
1860 /* the following test is needed in case new streams appear
1861 dynamically in stream : we ignore them */
1862 if (pkt.stream_index >= file_table[file_index].nb_streams)
1863 goto discard_packet;
1864 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1865 ist = ist_table[ist_index];
1866 if (ist->discard)
1867 goto discard_packet;
1868
1869 // 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);
1870 if (pkt.dts != AV_NOPTS_VALUE) {
1871 int64_t delta= pkt.dts - ist->next_pts;
1872 if(ABS(delta) > 10LL*AV_TIME_BASE && !copy_ts){
1873 input_files_ts_offset[ist->file_index]-= delta;
1874 if (verbose > 2)
1875 fprintf(stderr, "timestamp discontinuity %lld, new offset= %lld\n", delta, input_files_ts_offset[ist->file_index]);
1876 for(i=0; i<file_table[file_index].nb_streams; i++){
1877 int index= file_table[file_index].ist_index + i;
1878 ist_table[index]->next_pts += delta;
1879 ist_table[index]->is_start=1;
1880 }
1881 }
1882 }
1883
1884 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1885 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1886
1887 if (verbose >= 0)
1888 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1889 ist->file_index, ist->index);
1890
1891 av_free_packet(&pkt);
1892 goto redo;
1893 }
1894
1895 discard_packet:
1896 av_free_packet(&pkt);
1897
1898 /* dump report by using the output first video and audio streams */
1899 print_report(output_files, ost_table, nb_ostreams, 0);
1900 }
1901
1902 /* at the end of stream, we must flush the decoder buffers */
1903 for(i=0;i<nb_istreams;i++) {
1904 ist = ist_table[i];
1905 if (ist->decoding_needed) {
1906 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1907 }
1908 }
1909
1910 term_exit();
1911
1912 /* write the trailer if needed and close file */
1913 for(i=0;i<nb_output_files;i++) {
1914 os = output_files[i];
1915 av_write_trailer(os);
1916 }
1917
1918 /* dump report by using the first video and audio streams */
1919 print_report(output_files, ost_table, nb_ostreams, 1);
1920
1921 /* close each encoder */
1922 for(i=0;i<nb_ostreams;i++) {
1923 ost = ost_table[i];
1924 if (ost->encoding_needed) {
1925 av_freep(&ost->st->codec.stats_in);
1926 avcodec_close(&ost->st->codec);
1927 }
1928 }
1929
1930 /* close each decoder */
1931 for(i=0;i<nb_istreams;i++) {
1932 ist = ist_table[i];
1933 if (ist->decoding_needed) {
1934 avcodec_close(&ist->st->codec);
1935 }
1936 }
1937
1938 /* finished ! */
1939
1940 ret = 0;
1941 fail1:
1942 av_free(file_table);
1943
1944 if (ist_table) {
1945 for(i=0;i<nb_istreams;i++) {
1946 ist = ist_table[i];
1947 av_free(ist);
1948 }
1949 av_free(ist_table);
1950 }
1951 if (ost_table) {
1952 for(i=0;i<nb_ostreams;i++) {
1953 ost = ost_table[i];
1954 if (ost) {
1955 if (ost->logfile) {
1956 fclose(ost->logfile);
1957 ost->logfile = NULL;
1958 }
1959 fifo_free(&ost->fifo); /* works even if fifo is not
1960 initialized but set to zero */
1961 av_free(ost->pict_tmp.data[0]);
1962 if (ost->video_resample)
1963 img_resample_close(ost->img_resample_ctx);
1964 if (ost->audio_resample)
1965 audio_resample_close(ost->resample);
1966 av_free(ost);
1967 }
1968 }
1969 av_free(ost_table);
1970 }
1971 return ret;
1972 fail:
1973 ret = -ENOMEM;
1974 goto fail1;
1975 }
1976
1977 #if 0
1978 int file_read(const char *filename)
1979 {
1980 URLContext *h;
1981 unsigned char buffer[1024];
1982 int len, i;
1983
1984 if (url_open(&h, filename, O_RDONLY) < 0) {
1985 printf("could not open '%s'\n", filename);
1986 return -1;
1987 }
1988 for(;;) {
1989 len = url_read(h, buffer, sizeof(buffer));
1990 if (len <= 0)
1991 break;
1992 for(i=0;i<len;i++) putchar(buffer[i]);
1993 }
1994 url_close(h);
1995 return 0;
1996 }
1997 #endif
1998
1999 static void opt_image_format(const char *arg)
2000 {
2001 AVImageFormat *f;
2002
2003 for(f = first_image_format; f != NULL; f = f->next) {
2004 if (!strcmp(arg, f->name))
2005 break;
2006 }
2007 if (!f) {
2008 fprintf(stderr, "Unknown image format: '%s'\n", arg);
2009 exit(1);
2010 }
2011 image_format = f;
2012 }
2013
2014 static void opt_format(const char *arg)
2015 {
2016 /* compatibility stuff for pgmyuv */
2017 if (!strcmp(arg, "pgmyuv")) {
2018 opt_image_format(arg);
2019 arg = "image";
2020 }
2021
2022 file_iformat = av_find_input_format(arg);
2023 file_oformat = guess_format(arg, NULL, NULL);
2024 if (!file_iformat && !file_oformat) {
2025 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2026 exit(1);
2027 }
2028 }
2029
2030 static void opt_video_bitrate(const char *arg)
2031 {
2032 video_bit_rate = atoi(arg) * 1000;
2033 }
2034
2035 static void opt_video_bitrate_tolerance(const char *arg)
2036 {
2037 video_bit_rate_tolerance = atoi(arg) * 1000;
2038 }
2039
2040 static void opt_video_bitrate_max(const char *arg)
2041 {
2042 video_rc_max_rate = atoi(arg) * 1000;
2043 }
2044
2045 static void opt_video_bitrate_min(const char *arg)
2046 {
2047 video_rc_min_rate = atoi(arg) * 1000;
2048 }
2049
2050 static void opt_video_buffer_size(const char *arg)
2051 {
2052 video_rc_buffer_size = atoi(arg) * 8*1024;
2053 }
2054
2055 static void opt_video_rc_eq(char *arg)
2056 {
2057 video_rc_eq = arg;
2058 }
2059
2060 static void opt_video_rc_override_string(char *arg)
2061 {
2062 video_rc_override_string = arg;
2063 }
2064
2065
2066 static void opt_workaround_bugs(const char *arg)
2067 {
2068 workaround_bugs = atoi(arg);
2069 }
2070
2071 static void opt_dct_algo(const char *arg)
2072 {
2073 dct_algo = atoi(arg);
2074 }
2075
2076 static void opt_idct_algo(const char *arg)
2077 {
2078 idct_algo = atoi(arg);
2079 }
2080
2081 static void opt_me_threshold(const char *arg)
2082 {
2083 me_threshold = atoi(arg);
2084 }
2085
2086 static void opt_mb_threshold(const char *arg)
2087 {
2088 mb_threshold = atoi(arg);
2089 }
2090
2091 static void opt_error_resilience(const char *arg)
2092 {
2093 error_resilience = atoi(arg);
2094 }
2095
2096 static void opt_error_concealment(const char *arg)
2097 {
2098 error_concealment = atoi(arg);
2099 }
2100
2101 static void opt_debug(const char *arg)
2102 {
2103 debug = atoi(arg);
2104 }
2105
2106 static void opt_vismv(const char *arg)
2107 {
2108 debug_mv = atoi(arg);
2109 }
2110
2111 static void opt_verbose(const char *arg)
2112 {
2113 verbose = atoi(arg);
2114 av_log_set_level(atoi(arg));
2115 }
2116
2117 static void opt_frame_rate(const char *arg)
2118 {
2119 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2120 fprintf(stderr, "Incorrect frame rate\n");
2121 exit(1);
2122 }
2123 }
2124
2125 static void opt_frame_crop_top(const char *arg)
2126 {
2127 frame_topBand = atoi(arg);
2128 if (frame_topBand < 0) {
2129 fprintf(stderr, "Incorrect top crop size\n");
2130 exit(1);
2131 }
2132 if ((frame_topBand % 2) != 0) {
2133 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2134 exit(1);
2135 }
2136 if ((frame_topBand) >= frame_height){
2137 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2138 exit(1);
2139 }
2140 frame_height -= frame_topBand;
2141 }
2142
2143 static void opt_frame_crop_bottom(const char *arg)
2144 {
2145 frame_bottomBand = atoi(arg);
2146 if (frame_bottomBand < 0) {
2147 fprintf(stderr, "Incorrect bottom crop size\n");
2148 exit(1);
2149 }
2150 if ((frame_bottomBand % 2) != 0) {
2151 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2152 exit(1);
2153 }
2154 if ((frame_bottomBand) >= frame_height){
2155 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2156 exit(1);
2157 }
2158 frame_height -= frame_bottomBand;
2159 }
2160
2161 static void opt_frame_crop_left(const char *arg)
2162 {
2163 frame_leftBand = atoi(arg);
2164 if (frame_leftBand < 0) {
2165 fprintf(stderr, "Incorrect left crop size\n");
2166 exit(1);
2167 }
2168 if ((frame_leftBand % 2) != 0) {
2169 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2170 exit(1);
2171 }
2172 if ((frame_leftBand) >= frame_width){
2173 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2174 exit(1);
2175 }
2176 frame_width -= frame_leftBand;
2177 }
2178
2179 static void opt_frame_crop_right(const char *arg)
2180 {
2181 frame_rightBand = atoi(arg);
2182 if (frame_rightBand < 0) {
2183 fprintf(stderr, "Incorrect right crop size\n");
2184 exit(1);
2185 }
2186 if ((frame_rightBand % 2) != 0) {
2187 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2188 exit(1);
2189 }
2190 if ((frame_rightBand) >= frame_width){
2191 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2192 exit(1);
2193 }
2194 frame_width -= frame_rightBand;
2195 }
2196
2197 static void opt_frame_size(const char *arg)
2198 {
2199 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2200 fprintf(stderr, "Incorrect frame size\n");
2201 exit(1);
2202 }
2203 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2204 fprintf(stderr, "Frame size must be a multiple of 2\n");
2205 exit(1);
2206 }
2207 }
2208
2209
2210 #define SCALEBITS 10
2211 #define ONE_HALF (1 << (SCALEBITS - 1))
2212 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2213
2214 #define RGB_TO_Y(r, g, b) \
2215 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2216 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2217
2218 #define RGB_TO_U(r1, g1, b1, shift)\
2219 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2220 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2221
2222 #define RGB_TO_V(r1, g1, b1, shift)\
2223 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2224 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2225
2226 static void opt_pad_color(const char *arg) {
2227 /* Input is expected to be six hex digits similar to
2228 how colors are expressed in html tags (but without the #) */
2229 int rgb = strtol(arg, NULL, 16);
2230 int r,g,b;
2231
2232 r = (rgb >> 16);
2233 g = ((rgb >> 8) & 255);
2234 b = (rgb & 255);
2235
2236 padcolor[0] = RGB_TO_Y(r,g,b);
2237 padcolor[1] = RGB_TO_U(r,g,b,0);
2238 padcolor[2] = RGB_TO_V(r,g,b,0);
2239 }
2240
2241 static void opt_frame_pad_top(const char *arg)
2242 {
2243 frame_padtop = atoi(arg);
2244 if (frame_padtop < 0) {
2245 fprintf(stderr, "Incorrect top pad size\n");
2246 exit(1);
2247 }
2248 if ((frame_padtop % 2) != 0) {
2249 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2250 exit(1);
2251 }
2252 }
2253
2254 static void opt_frame_pad_bottom(const char *arg)
2255 {
2256 frame_padbottom = atoi(arg);
2257 if (frame_padbottom < 0) {
2258 fprintf(stderr, "Incorrect bottom pad size\n");
2259 exit(1);
2260 }
2261 if ((frame_padbottom % 2) != 0) {
2262 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2263 exit(1);
2264 }
2265 }
2266
2267
2268 static void opt_frame_pad_left(const char *arg)
2269 {
2270 frame_padleft = atoi(arg);
2271 if (frame_padleft < 0) {
2272 fprintf(stderr, "Incorrect left pad size\n");
2273 exit(1);
2274 }
2275 if ((frame_padleft % 2) != 0) {
2276 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2277 exit(1);
2278 }
2279 }
2280
2281
2282 static void opt_frame_pad_right(const char *arg)
2283 {
2284 frame_padright = atoi(arg);
2285 if (frame_padright < 0) {
2286 fprintf(stderr, "Incorrect right pad size\n");
2287 exit(1);
2288 }
2289 if ((frame_padright % 2) != 0) {
2290 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2291 exit(1);
2292 }
2293 }
2294
2295
2296 static void opt_frame_pix_fmt(const char *arg)
2297 {
2298 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2299 }
2300
2301 static void opt_frame_aspect_ratio(const char *arg)
2302 {
2303 int x = 0, y = 0;
2304 double ar = 0;
2305 const char *p;
2306
2307 p = strchr(arg, ':');
2308 if (p) {
2309 x = strtol(arg, (char **)&arg, 10);
2310 if (arg == p)
2311 y = strtol(arg+1, (char **)&arg, 10);
2312 if (x > 0 && y > 0)
2313 ar = (double)x / (double)y;
2314 } else
2315 ar = strtod(arg, (char **)&arg);
2316
2317 if (!ar) {
2318 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2319 exit(1);
2320 }
2321 frame_aspect_ratio = ar;
2322 }
2323
2324 static void opt_gop_size(const char *arg)
2325 {
2326 gop_size = atoi(arg);
2327 }
2328
2329 static void opt_b_frames(const char *arg)
2330 {
2331 b_frames = atoi(arg);
2332 if (b_frames > FF_MAX_B_FRAMES) {
2333 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
2334 exit(1);
2335 } else if (b_frames < 1) {
2336 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
2337 exit(1);
2338 }
2339 }
2340
2341 static void opt_mb_decision(const char *arg)
2342 {
2343 mb_decision = atoi(arg);
2344 }
2345
2346 static void opt_mb_cmp(const char *arg)
2347 {
2348 mb_cmp = atoi(arg);
2349 }
2350
2351 static void opt_ildct_cmp(const char *arg)
2352 {
2353 ildct_cmp = atoi(arg);
2354 }
2355
2356 static void opt_sub_cmp(const char *arg)
2357 {
2358 sub_cmp = atoi(arg);
2359 }
2360
2361 static void opt_cmp(const char *arg)
2362 {
2363 cmp = atoi(arg);
2364 }
2365
2366 static void opt_pre_cmp(const char *arg)
2367 {
2368 pre_cmp = atoi(arg);
2369 }
2370
2371 static void opt_pre_me(const char *arg)
2372 {
2373 pre_me = atoi(arg);
2374 }
2375
2376 static void opt_lumi_mask(const char *arg)
2377 {
2378 lumi_mask = atof(arg);
2379 }
2380
2381 static void opt_dark_mask(const char *arg)
2382 {
2383 dark_mask = atof(arg);
2384 }
2385
2386 static void opt_scplx_mask(const char *arg)
2387 {
2388 scplx_mask = atof(arg);
2389 }
2390
2391 static void opt_tcplx_mask(const char *arg)
2392 {
2393 tcplx_mask = atof(arg);
2394 }
2395
2396 static void opt_p_mask(const char *arg)
2397 {
2398 p_mask = atof(arg);
2399 }
2400
2401 static void opt_qscale(const char *arg)
2402 {
2403 video_qscale = atof(arg);
2404 if (video_qscale < 0.01 ||
2405 video_qscale > 255) {
2406 fprintf(stderr, "qscale must be >= 0.01 and <= 255\n");
2407 exit(1);
2408 }
2409 }
2410
2411 static void opt_lmax(const char *arg)
2412 {
2413 video_lmax = atof(arg)*FF_QP2LAMBDA;
2414 }
2415
2416 static void opt_lmin(const char *arg)
2417 {
2418 video_lmin = atof(arg)*FF_QP2LAMBDA;
2419 }
2420
2421 static void opt_qmin(const char *arg)
2422 {
2423 video_qmin = atoi(arg);
2424 if (video_qmin < 0 ||
2425 video_qmin > 31) {
2426 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
2427 exit(1);
2428 }
2429 }
2430
2431 static void opt_qmax(const char *arg)
2432 {
2433 video_qmax = atoi(arg);
2434 if (video_qmax < 0 ||
2435 video_qmax > 31) {
2436 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
2437 exit(1);
2438 }
2439 }
2440
2441 static void opt_mb_qmin(const char *arg)
2442 {
2443 video_mb_qmin = atoi(arg);
2444 if (video_mb_qmin < 0 ||
2445 video_mb_qmin > 31) {
2446 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
2447 exit(1);
2448 }
2449 }
2450
2451 static void opt_mb_qmax(const char *arg)
2452 {
2453 video_mb_qmax = atoi(arg);
2454 if (video_mb_qmax < 0 ||
2455 video_mb_qmax > 31) {
2456 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
2457 exit(1);
2458 }
2459 }
2460
2461 static void opt_qdiff(const char *arg)
2462 {
2463 video_qdiff = atoi(arg);
2464 if (video_qdiff < 0 ||
2465 video_qdiff > 31) {
2466 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2467 exit(1);
2468 }
2469 }
2470
2471 static void opt_qblur(const char *arg)
2472 {
2473 video_qblur = atof(arg);
2474 }
2475
2476 static void opt_qcomp(const char *arg)
2477 {
2478 video_qcomp = atof(arg);
2479 }
2480
2481 static void opt_rc_initial_cplx(const char *arg)
2482 {
2483 video_rc_initial_cplx = atof(arg);
2484 }
2485 static void opt_b_qfactor(const char *arg)
2486 {
2487 video_b_qfactor = atof(arg);
2488 }
2489 static void opt_i_qfactor(const char *arg)
2490 {
2491 video_i_qfactor = atof(arg);
2492 }
2493 static void opt_b_qoffset(const char *arg)
2494 {
2495 video_b_qoffset = atof(arg);
2496 }
2497 static void opt_i_qoffset(const char *arg)
2498 {
2499 video_i_qoffset = atof(arg);
2500 }
2501
2502 static void opt_ibias(const char *arg)
2503 {
2504 video_intra_quant_bias = atoi(arg);
2505 }
2506 static void opt_pbias(const char *arg)
2507 {
2508 video_inter_quant_bias = atoi(arg);
2509 }
2510
2511 static void opt_packet_size(const char *arg)
2512 {
2513 packet_size= atoi(arg);
2514 }
2515
2516 static void opt_error_rate(const char *arg)
2517 {
2518 error_rate= atoi(arg);
2519 }
2520
2521 static void opt_strict(const char *arg)
2522 {
2523 strict= atoi(arg);
2524 }
2525
2526 static void opt_top_field_first(const char *arg)
2527 {
2528 top_field_first= atoi(arg);
2529 }
2530
2531 static void opt_noise_reduction(const char *arg)
2532 {
2533 noise_reduction= atoi(arg);
2534 }
2535
2536 static void opt_qns(const char *arg)
2537 {
2538 qns= atoi(arg);
2539 }
2540
2541 static void opt_sc_threshold(const char *arg)
2542 {
2543 sc_threshold= atoi(arg);
2544 }
2545
2546 static void opt_me_range(const char *arg)
2547 {
2548 me_range = atoi(arg);
2549 }
2550
2551 static void opt_thread_count(const char *arg)
2552 {
2553 thread_count= atoi(arg);
2554 #if !defined(HAVE_PTHREADS) && !defined(HAVE_W32THREADS)
2555 if (verbose >= 0)
2556 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2557 #endif
2558 }
2559
2560 static void opt_audio_bitrate(const char *arg)
2561 {
2562 audio_bit_rate = atoi(arg) * 1000;
2563 }
2564
2565 static void opt_audio_rate(const char *arg)
2566 {
2567 audio_sample_rate = atoi(arg);
2568 }
2569
2570 static void opt_audio_channels(const char *arg)
2571 {
2572 audio_channels = atoi(arg);
2573 }
2574
2575 static void opt_video_device(const char *arg)
2576 {
2577 video_device = av_strdup(arg);
2578 }
2579
2580 static void opt_grab_device(const char *arg)
2581 {
2582 grab_device = av_strdup(arg);
2583 }
2584
2585 static void opt_video_channel(const char *arg)
2586 {
2587 video_channel = strtol(arg, NULL, 0);
2588 }
2589
2590 static void opt_video_standard(const char *arg)
2591 {
2592 video_standard = av_strdup(arg);
2593 }
2594
2595 static void opt_audio_device(const char *arg)
2596 {
2597 audio_device = av_strdup(arg);
2598 }
2599
2600 static void opt_audio_codec(const char *arg)
2601 {
2602 AVCodec *p;
2603
2604 if (!strcmp(arg, "copy")) {
2605 audio_stream_copy = 1;
2606 } else {
2607 p = first_avcodec;
2608 while (p) {
2609 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
2610 break;
2611 p = p->next;
2612 }
2613 if (p == NULL) {
2614 fprintf(stderr, "Unknown audio codec '%s'\n", arg);
2615 exit(1);
2616 } else {
2617 audio_codec_id = p->id;
2618 }
2619 }
2620 }
2621
2622 static void opt_audio_tag(const char *arg)
2623 {
2624 char *tail;
2625 audio_codec_tag= strtol(arg, &tail, 0);
2626
2627 if(!tail || *tail)
2628 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2629 }
2630
2631 static void opt_video_tag(const char *arg)
2632 {
2633 char *tail;
2634 video_codec_tag= strtol(arg, &tail, 0);
2635
2636 if(!tail || *tail)
2637 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2638 }
2639
2640 static void add_frame_hooker(const char *arg)
2641 {
2642 int argc = 0;
2643 char *argv[64];
2644 int i;
2645 char *args = av_strdup(arg);
2646
2647 using_vhook = 1;
2648
2649 argv[0] = strtok(args, " ");
2650 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2651 }
2652
2653 i = frame_hook_add(argc, argv);
2654
2655 if (i != 0) {
2656 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2657 exit(1);
2658 }
2659 }
2660
2661 const char *motion_str[] = {
2662 "zero",
2663 "full",
2664 "log",
2665 "phods",
2666 "epzs",
2667 "x1",
2668 NULL,
2669 };
2670
2671 static void opt_motion_estimation(const char *arg)
2672 {
2673 const char **p;
2674 p = motion_str;
2675 for(;;) {
2676 if (!*p) {
2677 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2678 exit(1);
2679 }
2680 if (!strcmp(*p, arg))
2681 break;
2682 p++;
2683 }
2684 me_method = (p - motion_str) + 1;
2685 }
2686
2687 static void opt_video_codec(const char *arg)
2688 {
2689 AVCodec *p;
2690
2691 if (!strcmp(arg, "copy")) {
2692 video_stream_copy = 1;
2693 } else {
2694 p = first_avcodec;
2695 while (p) {
2696 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
2697 break;
2698 p = p->next;
2699 }
2700 if (p == NULL) {
2701 fprintf(stderr, "Unknown video codec '%s'\n", arg);
2702 exit(1);
2703 } else {
2704 video_codec_id = p->id;
2705 }
2706 }
2707 }
2708
2709 static void opt_map(const char *arg)
2710 {
2711 AVStreamMap *m;
2712 const char *p;
2713
2714 p = arg;
2715 m = &stream_maps[nb_stream_maps++];
2716
2717 m->file_index = strtol(arg, (char **)&p, 0);
2718 if (*p)
2719 p++;
2720
2721 m->stream_index = strtol(p, (char **)&p, 0);
2722 }
2723
2724 static void opt_map_meta_data(const char *arg)
2725 {
2726 AVMetaDataMap *m;
2727 const char *p;
2728
2729 p = arg;
2730 m = &meta_data_maps[nb_meta_data_maps++];
2731
2732 m->out_file = strtol(arg, (char **)&p, 0);
2733 if (*p)
2734 p++;
2735
2736 m->in_file = strtol(p, (char **)&p, 0);
2737 }
2738
2739 static void opt_recording_time(const char *arg)
2740 {
2741 recording_time = parse_date(arg, 1);
2742 }
2743
2744 static void opt_start_time(const char *arg)
2745 {
2746 start_time = parse_date(arg, 1);
2747 }
2748
2749 static void opt_rec_timestamp(const char *arg)
2750 {
2751 rec_timestamp = parse_date(arg, 0) / 1000000;
2752 }
2753
2754 static void opt_input_ts_offset(const char *arg)
2755 {
2756 input_ts_offset = parse_date(arg, 1);
2757 }
2758
2759 static void opt_input_file(const char *filename)
2760 {
2761 AVFormatContext *ic;
2762 AVFormatParameters params, *ap = &params;
2763 int err, i, ret, rfps, rfps_base;
2764 int64_t timestamp;
2765
2766 if (!strcmp(filename, "-"))
2767 filename = "pipe:";
2768
2769 using_stdin |= !strcmp(filename, "pipe:" ) ||
2770 !strcmp( filename, "/dev/stdin" );
2771
2772 /* get default parameters from command line */
2773 memset(ap, 0, sizeof(*ap));
2774 ap->sample_rate = audio_sample_rate;
2775 ap->channels = audio_channels;
2776 ap->frame_rate = frame_rate;
2777 ap->frame_rate_base = frame_rate_base;
2778 ap->width = frame_width + frame_padleft + frame_padright;
2779 ap->height = frame_height + frame_padtop + frame_padbottom;
2780 ap->image_format = image_format;
2781 ap->pix_fmt = frame_pix_fmt;
2782 ap->device = grab_device;
2783 ap->channel = video_channel;
2784 ap->standard = video_standard;
2785
2786 /* open the input file with generic libav function */
2787 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2788 if (err < 0) {
2789 print_error(filename, err);
2790 exit(1);
2791 }
2792
2793 /* If not enough info to get the stream parameters, we decode the
2794 first frames to get it. (used in mpeg case for example) */
2795 ret = av_find_stream_info(ic);
2796 if (ret < 0 && verbose >= 0) {
2797 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2798 exit(1);
2799 }
2800
2801 timestamp = start_time;
2802 /* add the stream start time */
2803 if (ic->start_time != AV_NOPTS_VALUE)
2804 timestamp += ic->start_time;
2805
2806 /* if seeking requested, we execute it */
2807 if (start_time != 0) {
2808 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2809 if (ret < 0) {
2810 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2811 filename, (double)timestamp / AV_TIME_BASE);
2812 }
2813 /* reset seek info */
2814 start_time = 0;
2815 }
2816
2817 /* update the current parameters so that they match the one of the input stream */
2818 for(i=0;i<ic->nb_streams;i++) {
2819 AVCodecContext *enc = &ic->streams[i]->codec;
2820 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
2821 if(thread_count>1)
2822 avcodec_thread_init(enc, thread_count);
2823 #endif
2824 enc->thread_count= thread_count;
2825 switch(enc->codec_type) {
2826 case CODEC_TYPE_AUDIO:
2827 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2828 audio_channels = enc->channels;
2829 audio_sample_rate = enc->sample_rate;
2830 break;
2831 case CODEC_TYPE_VIDEO:
2832 frame_height = enc->height;
2833 frame_width = enc->width;
2834 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2835 frame_pix_fmt = enc->pix_fmt;
2836 rfps = ic->streams[i]->r_frame_rate;
2837 rfps_base = ic->streams[i]->r_frame_rate_base;
2838 enc->workaround_bugs = workaround_bugs;
2839 enc->error_resilience = error_resilience;
2840 enc->error_concealment = error_concealment;
2841 enc->idct_algo = idct_algo;
2842 enc->debug = debug;
2843 enc->debug_mv = debug_mv;
2844 enc->lowres= lowres;
2845 if(bitexact)
2846 enc->flags|= CODEC_FLAG_BITEXACT;
2847 if(me_threshold)
2848 enc->debug |= FF_DEBUG_MV;
2849
2850 assert(enc->frame_rate_base == rfps_base); // should be true for now
2851 if (enc->frame_rate != rfps) {
2852
2853 if (verbose >= 0)
2854 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n",
2855 i, (float)enc->frame_rate / enc->frame_rate_base,
2856
2857 (float)rfps / rfps_base);
2858 }
2859 /* update the current frame rate to match the stream frame rate */
2860 frame_rate = rfps;
2861 frame_rate_base = rfps_base;
2862
2863 enc->rate_emu = rate_emu;
2864 break;
2865 case CODEC_TYPE_DATA:
2866 break;
2867 default:
2868 av_abort();
2869 }
2870 }
2871
2872 input_files[nb_input_files] = ic;
2873 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2874 /* dump the file content */
2875 if (verbose >= 0)
2876 dump_format(ic, nb_input_files, filename, 0);
2877
2878 nb_input_files++;
2879 file_iformat = NULL;
2880 file_oformat = NULL;
2881 image_format = NULL;
2882
2883 grab_device = NULL;
2884 video_channel = 0;
2885
2886 rate_emu = 0;
2887 }
2888
2889 static void opt_grab(const char *arg)
2890 {
2891 file_iformat = av_find_input_format(arg);
2892 opt_input_file("");
2893 }
2894
2895 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2896 {
2897 int has_video, has_audio, i, j;
2898 AVFormatContext *ic;
2899
2900 has_video = 0;
2901 has_audio = 0;
2902 for(j=0;j<nb_input_files;j++) {
2903 ic = input_files[j];
2904 for(i=0;i<ic->nb_streams;i++) {
2905 AVCodecContext *enc = &ic->streams[i]->codec;
2906 switch(enc->codec_type) {
2907 case CODEC_TYPE_AUDIO:
2908 has_audio = 1;
2909 break;
2910 case CODEC_TYPE_VIDEO:
2911 has_video = 1;
2912 break;
2913 case CODEC_TYPE_DATA:
2914 break;
2915 default:
2916 av_abort();
2917 }
2918 }
2919 }
2920 *has_video_ptr = has_video;
2921 *has_audio_ptr = has_audio;
2922 }
2923
2924 static void opt_output_file(const char *filename)
2925 {
2926 AVStream *st;
2927 AVFormatContext *oc;
2928 int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
2929 int codec_id;
2930 AVFormatParameters params, *ap = &params;
2931
2932 if (!strcmp(filename, "-"))
2933 filename = "pipe:";
2934
2935 oc = av_alloc_format_context();
2936
2937 if (!file_oformat) {
2938 file_oformat = guess_format(NULL, filename, NULL);
2939 if (!file_oformat) {
2940 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
2941 filename);
2942 exit(1);
2943 }
2944 }
2945
2946 oc->oformat = file_oformat;
2947
2948 if (!strcmp(file_oformat->name, "ffm") &&
2949 strstart(filename, "http:", NULL)) {
2950 /* special case for files sent to ffserver: we get the stream
2951 parameters from ffserver */
2952 if (read_ffserver_streams(oc, filename) < 0) {
2953 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
2954 exit(1);
2955 }
2956 } else {
2957 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy;
2958 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy;
2959
2960 /* disable if no corresponding type found and at least one
2961 input file */
2962 if (nb_input_files > 0) {
2963 check_audio_video_inputs(&input_has_video, &input_has_audio);
2964 if (!input_has_video)
2965 use_video = 0;
2966 if (!input_has_audio)
2967 use_audio = 0;
2968 }
2969
2970 /* manual disable */
2971 if (audio_disable) {
2972 use_audio = 0;
2973 }
2974 if (video_disable) {
2975 use_video = 0;
2976 }
2977
2978 nb_streams = 0;
2979 if (use_video) {
2980 AVCodecContext *video_enc;
2981
2982 st = av_new_stream(oc, nb_streams++);
2983 if (!st) {
2984 fprintf(stderr, "Could not alloc stream\n");
2985 exit(1);
2986 }
2987 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
2988 if(thread_count>1)
2989 avcodec_thread_init(&st->codec, thread_count);
2990 #endif
2991
2992 video_enc = &st->codec;
2993
2994 if(video_codec_tag)
2995 video_enc->codec_tag= video_codec_tag;
2996
2997 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
2998 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2999 if (video_stream_copy) {
3000 st->stream_copy = 1;
3001 video_enc->codec_type = CODEC_TYPE_VIDEO;
3002 } else {
3003 char *p;
3004 int i;
3005 AVCodec *codec;
3006
3007 codec_id = file_oformat->video_codec;
3008 if (video_codec_id != CODEC_ID_NONE)
3009 codec_id = video_codec_id;
3010
3011 video_enc->codec_id = codec_id;
3012 codec = avcodec_find_encoder(codec_id);
3013
3014 video_enc->bit_rate = video_bit_rate;
3015 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
3016 video_enc->frame_rate = frame_rate;
3017 video_enc->frame_rate_base = frame_rate_base;
3018 if(codec && codec->supported_framerates){
3019 const AVRational *p= codec->supported_framerates;
3020 AVRational req= (AVRational){frame_rate, frame_rate_base};
3021 const AVRational *best=NULL;
3022 AVRational best_error= (AVRational){INT_MAX, 1};
3023 for(; p->den!=0; p++){
3024 AVRational error= av_sub_q(req, *p);
3025 if(error.num <0) error.num *= -1;
3026 if(av_cmp_q(error, best_error) < 0){
3027 best_error= error;
3028 best= p;
3029 }
3030 }
3031 video_enc->frame_rate = best->num;
3032 video_enc->frame_rate_base= best->den;
3033 }
3034
3035 video_enc->width = frame_width + frame_padright + frame_padleft;
3036 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3037 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3038 video_enc->pix_fmt = frame_pix_fmt;
3039
3040 if(codec && codec->pix_fmts){
3041 const enum PixelFormat *p= codec->pix_fmts;
3042 for(; *p!=-1; p++){
3043 if(*p == video_enc->pix_fmt)
3044 break;
3045 }
3046 if(*p == -1)
3047 video_enc->pix_fmt = codec->pix_fmts[0];
3048 }
3049
3050 if (!intra_only)
3051 video_enc->gop_size = gop_size;
3052 else
3053 video_enc->gop_size = 0;
3054 if (video_qscale || same_quality) {
3055 video_enc->flags |= CODEC_FLAG_QSCALE;
3056 st->quality = FF_QP2LAMBDA * video_qscale;
3057 }
3058
3059 if(intra_matrix)
3060 video_enc->intra_matrix = intra_matrix;
3061 if(inter_matrix)
3062 video_enc->inter_matrix = inter_matrix;
3063
3064 if(bitexact)
3065 video_enc->flags |= CODEC_FLAG_BITEXACT;
3066
3067 video_enc->mb_decision = mb_decision;
3068 video_enc->mb_cmp = mb_cmp;
3069 video_enc->ildct_cmp = ildct_cmp;
3070 video_enc->me_sub_cmp = sub_cmp;
3071 video_enc->me_cmp = cmp;
3072 video_enc->me_pre_cmp = pre_cmp;
3073 video_enc->pre_me = pre_me;
3074 video_enc->lumi_masking = lumi_mask;
3075 video_enc->dark_masking = dark_mask;
3076 video_enc->spatial_cplx_masking = scplx_mask;
3077 video_enc->temporal_cplx_masking = tcplx_mask;
3078 video_enc->p_masking = p_mask;
3079 video_enc->quantizer_noise_shaping= qns;
3080
3081 if (use_umv) {
3082 video_enc->flags |= CODEC_FLAG_H263P_UMV;
3083 }
3084 if (use_ss) {
3085 video_enc->flags |= CODEC_FLAG_H263P_SLICE_STRUCT;
3086 }
3087 if (use_aic) {
3088 video_enc->flags |= CODEC_FLAG_H263P_AIC;
3089 }
3090 if (use_aiv) {
3091 video_enc->flags |= CODEC_FLAG_H263P_AIV;
3092 }
3093 if (use_4mv) {
3094 video_enc->flags |= CODEC_FLAG_4MV;
3095 }
3096 if (use_obmc) {
3097 video_enc->flags |= CODEC_FLAG_OBMC;
3098 }
3099 if (use_loop) {
3100 video_enc->flags |= CODEC_FLAG_LOOP_FILTER;
3101 }
3102
3103 if(use_part) {
3104 video_enc->flags |= CODEC_FLAG_PART;
3105 }
3106 if (use_alt_scan) {
3107 video_enc->flags |= CODEC_FLAG_ALT_SCAN;
3108 }
3109 if (use_trell) {
3110 video_enc->flags |= CODEC_FLAG_TRELLIS_QUANT;
3111 }
3112 if (use_scan_offset) {
3113 video_enc->flags |= CODEC_FLAG_SVCD_SCAN_OFFSET;
3114 }
3115 if (closed_gop) {
3116 video_enc->flags |= CODEC_FLAG_CLOSED_GOP;
3117 }
3118 if (strict_gop) {
3119 video_enc->flags2 |= CODEC_FLAG2_STRICT_GOP;
3120 }
3121 if (use_qpel) {
3122 video_enc->flags |= CODEC_FLAG_QPEL;
3123 }
3124 if (use_qprd) {
3125 video_enc->flags |= CODEC_FLAG_QP_RD;
3126 }
3127 if (use_cbprd) {
3128 video_enc->flags |= CODEC_FLAG_CBP_RD;
3129 }
3130 if (b_frames) {
3131 video_enc->max_b_frames = b_frames;
3132 video_enc->b_frame_strategy = 0;
3133 video_enc->b_quant_factor = 2.0;
3134 }
3135 if (do_interlace_dct) {
3136 video_enc->flags |= CODEC_FLAG_INTERLACED_DCT;
3137 }
3138 if (do_interlace_me) {
3139 video_enc->flags |= CODEC_FLAG_INTERLACED_ME;
3140 }
3141 video_enc->qmin = video_qmin;
3142 video_enc->qmax = video_qmax;
3143 video_enc->lmin = video_lmin;
3144 video_enc->lmax = video_lmax;
3145 video_enc->mb_qmin = video_mb_qmin;
3146 video_enc->mb_qmax = video_mb_qmax;
3147 video_enc->max_qdiff = video_qdiff;
3148 video_enc->qblur = video_qblur;
3149 video_enc->qcompress = video_qcomp;
3150 video_enc->rc_eq = video_rc_eq;
3151 video_enc->debug = debug;
3152 video_enc->debug_mv = debug_mv;
3153 video_enc->thread_count = thread_count;
3154 p= video_rc_override_string;
3155 for(i=0; p; i++){
3156 int start, end, q;
3157 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3158 if(e!=3){
3159 fprintf(stderr, "error parsing rc_override\n");
3160 exit(1);
3161 }
3162 video_enc->rc_override=
3163 av_realloc(video_enc->rc_override,
3164 sizeof(RcOverride)*(i+1));
3165 video_enc->rc_override[i].start_frame= start;
3166 video_enc->rc_override[i].end_frame = end;
3167 if(q>0){
3168 video_enc->rc_override[i].qscale= q;
3169 video_enc->rc_override[i].quality_factor= 1.0;
3170 }
3171 else{
3172 video_enc->rc_override[i].qscale= 0;
3173 video_enc->rc_override[i].quality_factor= -q/100.0;
3174 }
3175 p= strchr(p, '/');
3176 if(p) p++;
3177 }
3178 video_enc->rc_override_count=i;
3179
3180 video_enc->rc_max_rate = video_rc_max_rate;
3181 video_enc->rc_min_rate = video_rc_min_rate;
3182 video_enc->rc_buffer_size = video_rc_buffer_size;
3183 video_enc->rc_initial_buffer_occupancy = video_rc_buffer_size*3/4;
3184 video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
3185 video_enc->rc_initial_cplx= video_rc_initial_cplx;
3186 video_enc->i_quant_factor = video_i_qfactor;
3187 video_enc->b_quant_factor = video_b_qfactor;
3188 video_enc->i_quant_offset = video_i_qoffset;
3189 video_enc->b_quant_offset = video_b_qoffset;
3190 video_enc->intra_quant_bias = video_intra_quant_bias;
3191 video_enc->inter_quant_bias = video_inter_quant_bias;
3192 video_enc->dct_algo = dct_algo;
3193 video_enc->idct_algo = idct_algo;
3194 video_enc->me_threshold= me_threshold;
3195 video_enc->mb_threshold= mb_threshold;
3196 video_enc->intra_dc_precision= intra_dc_precision - 8;
3197 video_enc->strict_std_compliance = strict;
3198 video_enc->error_rate = error_rate;
3199 video_enc->noise_reduction= noise_reduction;
3200 video_enc->scenechange_threshold= sc_threshold;
3201 video_enc->me_range = me_range;
3202 video_enc->coder_type= coder;
3203 video_enc->context_model= context;
3204 video_enc->prediction_method= predictor;
3205 video_enc->profile= video_profile;
3206 video_enc->level= video_level;
3207 video_enc->nsse_weight= nsse_weight;
3208 video_enc->me_subpel_quality= subpel_quality;
3209
3210 if(packet_size){
3211 video_enc->rtp_mode= 1;
3212 video_enc->rtp_payload_size= packet_size;
3213 }
3214
3215 if (do_psnr)
3216 video_enc->flags|= CODEC_FLAG_PSNR;
3217
3218 video_enc->me_method = me_method;
3219
3220 /* two pass mode */
3221 if (do_pass) {
3222 if (do_pass == 1) {
3223 video_enc->flags |= CODEC_FLAG_PASS1;
3224 } else {
3225 video_enc->flags |= CODEC_FLAG_PASS2;
3226 }
3227 }
3228 }
3229 }
3230
3231 if (use_audio) {
3232 AVCodecContext *audio_enc;
3233
3234 st = av_new_stream(oc, nb_streams++);
3235 if (!st) {
3236 fprintf(stderr, "Could not alloc stream\n");
3237 exit(1);
3238 }
3239 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
3240 if(thread_count>1)
3241 avcodec_thread_init(&st->codec, thread_count);
3242 #endif
3243
3244 audio_enc = &st->codec;
3245 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3246
3247 if(audio_codec_tag)
3248 audio_enc->codec_tag= audio_codec_tag;
3249
3250 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
3251 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3252 if (audio_stream_copy) {
3253 st->stream_copy = 1;
3254 audio_enc->channels = audio_channels;
3255 } else {
3256 codec_id = file_oformat->audio_codec;
3257 if (audio_codec_id != CODEC_ID_NONE)
3258 codec_id = audio_codec_id;
3259 audio_enc->codec_id = codec_id;
3260
3261 audio_enc->bit_rate = audio_bit_rate;
3262 audio_enc->strict_std_compliance = strict;
3263 audio_enc->thread_count = thread_count;
3264 /* For audio codecs other than AC3 or DTS we limit */
3265 /* the number of coded channels to stereo */
3266 if (audio_channels > 2 && codec_id != CODEC_ID_AC3
3267 && codec_id != CODEC_ID_DTS) {
3268 audio_enc->channels = 2;
3269 } else
3270 audio_enc->channels = audio_channels;
3271 }
3272 audio_enc->sample_rate = audio_sample_rate;
3273 }
3274
3275 oc->nb_streams = nb_streams;
3276
3277 if (!nb_streams) {
3278 fprintf(stderr, "No audio or video streams available\n");
3279 exit(1);
3280 }
3281
3282 oc->timestamp = rec_timestamp;
3283
3284 if (str_title)
3285 pstrcpy(oc->title, sizeof(oc->title), str_title);
3286 if (str_author)
3287 pstrcpy(oc->author, sizeof(oc->author), str_author);
3288 if (str_copyright)
3289 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
3290 if (str_comment)
3291 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
3292 }
3293
3294 output_files[nb_output_files++] = oc;
3295
3296 strcpy(oc->filename, filename);
3297
3298 /* check filename in case of an image number is expected */
3299 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3300 if (filename_number_test(oc->filename) < 0) {
3301 print_error(oc->filename, AVERROR_NUMEXPECTED);
3302 exit(1);
3303 }
3304 }
3305
3306 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3307 /* test if it already exists to avoid loosing precious files */
3308 if (!file_overwrite &&
3309 (strchr(filename, ':') == NULL ||
3310 strstart(filename, "file:", NULL))) {
3311 if (url_exist(filename)) {
3312 int c;
3313
3314 if ( !using_stdin ) {
3315 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3316 fflush(stderr);
3317 c = getchar();