config options log patch by (Michel Bardiaux <mbardiaux at peaktime dot be>)
[libav.git] / ffmpeg.c
1 /*
2 * FFmpeg main
3 * Copyright (c) 2000-2003 Fabrice Bellard
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19 #define HAVE_AV_CONFIG_H
20 #include <limits.h>
21 #include "avformat.h"
22 #include "framehook.h"
23 #include "dsputil.h"
24
25 #ifndef CONFIG_WIN32
26 #include <unistd.h>
27 #include <fcntl.h>
28 #include <sys/ioctl.h>
29 #include <sys/time.h>
30 #include <termios.h>
31 #include <sys/resource.h>
32 #include <signal.h>
33 #endif
34 #ifdef CONFIG_OS2
35 #include <sys/types.h>
36 #include <sys/select.h>
37 #include <stdlib.h>
38 #endif
39 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
40 #include <time.h>
41
42 #include "cmdutils.h"
43
44 #undef NDEBUG
45 #include <assert.h>
46
47 #if !defined(INFINITY) && defined(HUGE_VAL)
48 #define INFINITY HUGE_VAL
49 #endif
50
51 /* select an input stream for an output stream */
52 typedef struct AVStreamMap {
53 int file_index;
54 int stream_index;
55 } AVStreamMap;
56
57 /** select an input file for an output file */
58 typedef struct AVMetaDataMap {
59 int out_file;
60 int in_file;
61 } AVMetaDataMap;
62
63 extern const OptionDef options[];
64
65 static void show_help(void);
66 static void show_license(void);
67
68 #define MAX_FILES 20
69
70 static AVFormatContext *input_files[MAX_FILES];
71 static int64_t input_files_ts_offset[MAX_FILES];
72 static int nb_input_files = 0;
73
74 static AVFormatContext *output_files[MAX_FILES];
75 static int nb_output_files = 0;
76
77 static AVStreamMap stream_maps[MAX_FILES];
78 static int nb_stream_maps;
79
80 static AVMetaDataMap meta_data_maps[MAX_FILES];
81 static int nb_meta_data_maps;
82
83 static AVInputFormat *file_iformat;
84 static AVOutputFormat *file_oformat;
85 static AVImageFormat *image_format;
86 static int frame_width = 160;
87 static int frame_height = 128;
88 static float frame_aspect_ratio = 0;
89 static enum PixelFormat frame_pix_fmt = PIX_FMT_YUV420P;
90 static int frame_padtop = 0;
91 static int frame_padbottom = 0;
92 static int frame_padleft = 0;
93 static int frame_padright = 0;
94 static int padcolor[3] = {16,128,128}; /* default to black */
95 static int frame_topBand = 0;
96 static int frame_bottomBand = 0;
97 static int frame_leftBand = 0;
98 static int frame_rightBand = 0;
99 static int frame_rate = 25;
100 static int frame_rate_base = 1;
101 static int video_bit_rate = 200*1000;
102 static int video_bit_rate_tolerance = 4000*1000;
103 static float video_qscale = 0;
104 static int video_qmin = 2;
105 static int video_qmax = 31;
106 static int video_lmin = 2*FF_QP2LAMBDA;
107 static int video_lmax = 31*FF_QP2LAMBDA;
108 static int video_mb_qmin = 2;
109 static int video_mb_qmax = 31;
110 static int video_qdiff = 3;
111 static float video_qblur = 0.5;
112 static float video_qcomp = 0.5;
113 static uint16_t *intra_matrix = NULL;
114 static uint16_t *inter_matrix = NULL;
115 #if 0 //experimental, (can be removed)
116 static float video_rc_qsquish=1.0;
117 static float video_rc_qmod_amp=0;
118 static int video_rc_qmod_freq=0;
119 #endif
120 static char *video_rc_override_string=NULL;
121 static char *video_rc_eq="tex^qComp";
122 static int video_rc_buffer_size=0;
123 static float video_rc_buffer_aggressivity=1.0;
124 static int video_rc_max_rate=0;
125 static int video_rc_min_rate=0;
126 static float video_rc_initial_cplx=0;
127 static float video_b_qfactor = 1.25;
128 static float video_b_qoffset = 1.25;
129 static float video_i_qfactor = -0.8;
130 static float video_i_qoffset = 0.0;
131 static int video_intra_quant_bias= FF_DEFAULT_QUANT_BIAS;
132 static int video_inter_quant_bias= FF_DEFAULT_QUANT_BIAS;
133 static int me_method = ME_EPZS;
134 static int video_disable = 0;
135 static int video_codec_id = CODEC_ID_NONE;
136 static int same_quality = 0;
137 static int b_frames = 0;
138 static int mb_decision = FF_MB_DECISION_SIMPLE;
139 static int ildct_cmp = FF_CMP_VSAD;
140 static int mb_cmp = FF_CMP_SAD;
141 static int sub_cmp = FF_CMP_SAD;
142 static int cmp = FF_CMP_SAD;
143 static int pre_cmp = FF_CMP_SAD;
144 static int pre_me = 0;
145 static float lumi_mask = 0;
146 static float dark_mask = 0;
147 static float scplx_mask = 0;
148 static float tcplx_mask = 0;
149 static float p_mask = 0;
150 static int use_4mv = 0;
151 static int use_obmc = 0;
152 static int use_loop = 0;
153 static int use_aic = 0;
154 static int use_aiv = 0;
155 static int use_umv = 0;
156 static int use_ss = 0;
157 static int use_alt_scan = 0;
158 static int use_trell = 0;
159 static int use_scan_offset = 0;
160 static int use_qpel = 0;
161 static int use_qprd = 0;
162 static int use_cbprd = 0;
163 static int qns = 0;
164 static int closed_gop = 0;
165 static int do_deinterlace = 0;
166 static int do_interlace_dct = 0;
167 static int do_interlace_me = 0;
168 static int workaround_bugs = FF_BUG_AUTODETECT;
169 static int error_resilience = 2;
170 static int error_concealment = 3;
171 static int dct_algo = 0;
172 static int idct_algo = 0;
173 static int use_part = 0;
174 static int packet_size = 0;
175 static int error_rate = 0;
176 static int strict = 0;
177 static int top_field_first = -1;
178 static int noise_reduction = 0;
179 static int sc_threshold = 0;
180 static int debug = 0;
181 static int debug_mv = 0;
182 static int me_threshold = 0;
183 static int mb_threshold = 0;
184 static int intra_dc_precision = 8;
185 static int coder = 0;
186 static int context = 0;
187 static int predictor = 0;
188 static int video_profile = FF_PROFILE_UNKNOWN;
189 static int video_level = FF_LEVEL_UNKNOWN;
190 static int nsse_weight = 8;
191 static int subpel_quality= 8;
192 static int lowres= 0;
193 extern int loop_input; /* currently a hack */
194
195 static int gop_size = 12;
196 static int intra_only = 0;
197 static int audio_sample_rate = 44100;
198 static int audio_bit_rate = 64000;
199 static int audio_disable = 0;
200 static int audio_channels = 1;
201 static int audio_codec_id = CODEC_ID_NONE;
202
203 static int mux_rate= 0;
204 static int mux_packet_size= 0;
205
206 static int64_t recording_time = 0;
207 static int64_t start_time = 0;
208 static int64_t rec_timestamp = 0;
209 static int64_t input_ts_offset = 0;
210 static int file_overwrite = 0;
211 static char *str_title = NULL;
212 static char *str_author = NULL;
213 static char *str_copyright = NULL;
214 static char *str_comment = NULL;
215 static int do_benchmark = 0;
216 static int do_hex_dump = 0;
217 static int do_pkt_dump = 0;
218 static int do_psnr = 0;
219 static int do_vstats = 0;
220 static int do_pass = 0;
221 static int bitexact = 0;
222 static char *pass_logfilename = NULL;
223 static int audio_stream_copy = 0;
224 static int video_stream_copy = 0;
225 static int video_sync_method= 1;
226 static int audio_sync_method= 0;
227 static int copy_ts= 0;
228
229 static int rate_emu = 0;
230
231 static char *video_grab_format = "video4linux";
232 static char *video_device = NULL;
233 static int video_channel = 0;
234 static char *video_standard = "ntsc";
235
236 static char *audio_grab_format = "audio_device";
237 static char *audio_device = NULL;
238
239 static int using_stdin = 0;
240 static int using_vhook = 0;
241 static int verbose = 1;
242 static int thread_count= 1;
243 static int q_pressed = 0;
244 static int me_range = 0;
245 static int64_t video_size = 0;
246 static int64_t audio_size = 0;
247 static int64_t extra_size = 0;
248 static int nb_frames_dup = 0;
249 static int nb_frames_drop = 0;
250 static int input_sync;
251
252 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
253
254 typedef struct AVOutputStream {
255 int file_index; /* file index */
256 int index; /* stream index in the output file */
257 int source_index; /* AVInputStream index */
258 AVStream *st; /* stream in the output file */
259 int encoding_needed; /* true if encoding needed for this stream */
260 int frame_number;
261 /* input pts and corresponding output pts
262 for A/V sync */
263 double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
264 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
265 /* video only */
266 int video_resample; /* video_resample and video_crop are mutually exclusive */
267 AVFrame pict_tmp; /* temporary image for resampling */
268 ImgReSampleContext *img_resample_ctx; /* for image resampling */
269
270 int video_crop; /* video_resample and video_crop are mutually exclusive */
271 int topBand; /* cropping area sizes */
272 int leftBand;
273
274 int video_pad; /* video_resample and video_pad are mutually exclusive */
275 int padtop; /* padding area sizes */
276 int padbottom;
277 int padleft;
278 int padright;
279
280 /* audio only */
281 int audio_resample;
282 ReSampleContext *resample; /* for audio resampling */
283 FifoBuffer fifo; /* for compression: one audio fifo per codec */
284 FILE *logfile;
285 } AVOutputStream;
286
287 typedef struct AVInputStream {
288 int file_index;
289 int index;
290 AVStream *st;
291 int discard; /* true if stream data should be discarded */
292 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
293 int64_t sample_index; /* current sample */
294
295 int64_t start; /* time when read started */
296 unsigned long frame; /* current frame */
297 int64_t next_pts; /* synthetic pts for cases where pkt.pts
298 is not defined */
299 int64_t pts; /* current pts */
300 int is_start; /* is 1 at the start and after a discontinuity */
301 } AVInputStream;
302
303 typedef struct AVInputFile {
304 int eof_reached; /* true if eof reached */
305 int ist_index; /* index of first stream in ist_table */
306 int buffer_size; /* current total buffer size */
307 int buffer_size_max; /* buffer size at which we consider we can stop
308 buffering */
309 int nb_streams; /* nb streams we are aware of */
310 } AVInputFile;
311
312 #ifndef CONFIG_WIN32
313
314 /* init terminal so that we can grab keys */
315 static struct termios oldtty;
316
317 static void term_exit(void)
318 {
319 tcsetattr (0, TCSANOW, &oldtty);
320 }
321
322 static volatile sig_atomic_t received_sigterm = 0;
323
324 static void
325 sigterm_handler(int sig)
326 {
327 received_sigterm = sig;
328 term_exit();
329 }
330
331 static void term_init(void)
332 {
333 struct termios tty;
334
335 tcgetattr (0, &tty);
336 oldtty = tty;
337
338 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
339 |INLCR|IGNCR|ICRNL|IXON);
340 tty.c_oflag |= OPOST;
341 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
342 tty.c_cflag &= ~(CSIZE|PARENB);
343 tty.c_cflag |= CS8;
344 tty.c_cc[VMIN] = 1;
345 tty.c_cc[VTIME] = 0;
346
347 tcsetattr (0, TCSANOW, &tty);
348
349 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
350 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
351 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
352 /*
353 register a function to be called at normal program termination
354 */
355 atexit(term_exit);
356 #ifdef CONFIG_BEOS_NETSERVER
357 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
358 #endif
359 }
360
361 /* read a key without blocking */
362 static int read_key(void)
363 {
364 int n = 1;
365 unsigned char ch;
366 #ifndef CONFIG_BEOS_NETSERVER
367 struct timeval tv;
368 fd_set rfds;
369
370 FD_ZERO(&rfds);
371 FD_SET(0, &rfds);
372 tv.tv_sec = 0;
373 tv.tv_usec = 0;
374 n = select(1, &rfds, NULL, NULL, &tv);
375 #endif
376 if (n > 0) {
377 n = read(0, &ch, 1);
378 if (n == 1)
379 return ch;
380
381 return n;
382 }
383 return -1;
384 }
385
386 static int decode_interrupt_cb(void)
387 {
388 return q_pressed || (q_pressed = read_key() == 'q');
389 }
390
391 #else
392
393 static volatile int received_sigterm = 0;
394
395 /* no interactive support */
396 static void term_exit(void)
397 {
398 }
399
400 static void term_init(void)
401 {
402 }
403
404 static int read_key(void)
405 {
406 return 0;
407 }
408
409 #endif
410
411 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
412 {
413 int i, err;
414 AVFormatContext *ic;
415
416 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
417 if (err < 0)
418 return err;
419 /* copy stream format */
420 s->nb_streams = ic->nb_streams;
421 for(i=0;i<ic->nb_streams;i++) {
422 AVStream *st;
423
424 st = av_mallocz(sizeof(AVStream));
425 memcpy(st, ic->streams[i], sizeof(AVStream));
426 s->streams[i] = st;
427 }
428
429 av_close_input_file(ic);
430 return 0;
431 }
432
433 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
434
435 static void do_audio_out(AVFormatContext *s,
436 AVOutputStream *ost,
437 AVInputStream *ist,
438 unsigned char *buf, int size)
439 {
440 uint8_t *buftmp;
441 static uint8_t *audio_buf = NULL;
442 static uint8_t *audio_out = NULL;
443 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
444
445 int size_out, frame_bytes, ret;
446 AVCodecContext *enc= &ost->st->codec;
447
448 /* SC: dynamic allocation of buffers */
449 if (!audio_buf)
450 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
451 if (!audio_out)
452 audio_out = av_malloc(audio_out_size);
453 if (!audio_buf || !audio_out)
454 return; /* Should signal an error ! */
455
456 if(audio_sync_method){
457 double delta = ost->sync_ipts * enc->sample_rate - ost->sync_opts
458 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2);
459 double idelta= delta*ist->st->codec.sample_rate / enc->sample_rate;
460 int byte_delta= ((int)idelta)*2*ist->st->codec.channels;
461
462 //FIXME resample delay
463 if(fabs(delta) > 50){
464 if(ist->is_start){
465 if(byte_delta < 0){
466 byte_delta= FFMAX(byte_delta, -size);
467 size += byte_delta;
468 buf -= byte_delta;
469 if(verbose > 2)
470 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
471 if(!size)
472 return;
473 ist->is_start=0;
474 }else{
475 static uint8_t *input_tmp= NULL;
476 input_tmp= av_realloc(input_tmp, byte_delta + size);
477
478 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
479 ist->is_start=0;
480 else
481 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
482
483 memset(input_tmp, 0, byte_delta);
484 memcpy(input_tmp + byte_delta, buf, size);
485 buf= input_tmp;
486 size += byte_delta;
487 if(verbose > 2)
488 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
489 }
490 }else if(audio_sync_method>1){
491 int comp= clip(delta, -audio_sync_method, audio_sync_method);
492 assert(ost->audio_resample);
493 if(verbose > 2)
494 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
495 // 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));
496 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
497 }
498 }
499 }else
500 ost->sync_opts= lrintf(ost->sync_ipts * enc->sample_rate)
501 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2); //FIXME wrong
502
503 if (ost->audio_resample) {
504 buftmp = audio_buf;
505 size_out = audio_resample(ost->resample,
506 (short *)buftmp, (short *)buf,
507 size / (ist->st->codec.channels * 2));
508 size_out = size_out * enc->channels * 2;
509 } else {
510 buftmp = buf;
511 size_out = size;
512 }
513
514 /* now encode as many frames as possible */
515 if (enc->frame_size > 1) {
516 /* output resampled raw samples */
517 fifo_write(&ost->fifo, buftmp, size_out,
518 &ost->fifo.wptr);
519
520 frame_bytes = enc->frame_size * 2 * enc->channels;
521
522 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
523 &ost->fifo.rptr) == 0) {
524 AVPacket pkt;
525 av_init_packet(&pkt);
526
527 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
528 (short *)audio_buf);
529 audio_size += ret;
530 pkt.stream_index= ost->index;
531 pkt.data= audio_out;
532 pkt.size= ret;
533 if(enc->coded_frame)
534 pkt.pts= enc->coded_frame->pts;
535 pkt.flags |= PKT_FLAG_KEY;
536 av_interleaved_write_frame(s, &pkt);
537
538 ost->sync_opts += enc->frame_size;
539 }
540 } else {
541 AVPacket pkt;
542 av_init_packet(&pkt);
543
544 ost->sync_opts += size_out / (2 * enc->channels);
545
546 /* output a pcm frame */
547 /* XXX: change encoding codec API to avoid this ? */
548 switch(enc->codec->id) {
549 case CODEC_ID_PCM_S16LE:
550 case CODEC_ID_PCM_S16BE:
551 case CODEC_ID_PCM_U16LE:
552 case CODEC_ID_PCM_U16BE:
553 break;
554 default:
555 size_out = size_out >> 1;
556 break;
557 }
558 ret = avcodec_encode_audio(enc, audio_out, size_out,
559 (short *)buftmp);
560 audio_size += ret;
561 pkt.stream_index= ost->index;
562 pkt.data= audio_out;
563 pkt.size= ret;
564 if(enc->coded_frame)
565 pkt.pts= enc->coded_frame->pts;
566 pkt.flags |= PKT_FLAG_KEY;
567 av_interleaved_write_frame(s, &pkt);
568 }
569 }
570
571 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
572 {
573 AVCodecContext *dec;
574 AVPicture *picture2;
575 AVPicture picture_tmp;
576 uint8_t *buf = 0;
577
578 dec = &ist->st->codec;
579
580 /* deinterlace : must be done before any resize */
581 if (do_deinterlace || using_vhook) {
582 int size;
583
584 /* create temporary picture */
585 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
586 buf = av_malloc(size);
587 if (!buf)
588 return;
589
590 picture2 = &picture_tmp;
591 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
592
593 if (do_deinterlace){
594 if(avpicture_deinterlace(picture2, picture,
595 dec->pix_fmt, dec->width, dec->height) < 0) {
596 /* if error, do not deinterlace */
597 av_free(buf);
598 buf = NULL;
599 picture2 = picture;
600 }
601 } else {
602 if (img_convert(picture2, dec->pix_fmt, picture,
603 dec->pix_fmt, dec->width, dec->height) < 0) {
604 /* if error, do not copy */
605 av_free(buf);
606 buf = NULL;
607 picture2 = picture;
608 }
609 }
610 } else {
611 picture2 = picture;
612 }
613
614 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
615
616 if (picture != picture2)
617 *picture = *picture2;
618 *bufp = buf;
619 }
620
621 /* we begin to correct av delay at this threshold */
622 #define AV_DELAY_MAX 0.100
623
624
625 /* Expects img to be yuv420 */
626 static void fill_pad_region(AVPicture* img, int height, int width,
627 int padtop, int padbottom, int padleft, int padright, int *color) {
628
629 int i, y, shift;
630 uint8_t *optr;
631
632 for (i = 0; i < 3; i++) {
633 shift = (i == 0) ? 0 : 1;
634
635 if (padtop || padleft) {
636 memset(img->data[i], color[i], (((img->linesize[i] * padtop) +
637 padleft) >> shift));
638 }
639
640 if (padleft || padright) {
641 optr = img->data[i] + (img->linesize[i] * (padtop >> shift)) +
642 (img->linesize[i] - (padright >> shift));
643
644 for (y = 0; y < ((height - (padtop + padbottom)) >> shift); y++) {
645 memset(optr, color[i], (padleft + padright) >> shift);
646 optr += img->linesize[i];
647 }
648 }
649
650 if (padbottom) {
651 optr = img->data[i] + (img->linesize[i] * ((height - padbottom) >> shift));
652 memset(optr, color[i], ((img->linesize[i] * padbottom) >> shift));
653 }
654 }
655 }
656
657 static uint8_t *bit_buffer= NULL;
658
659 static void do_video_out(AVFormatContext *s,
660 AVOutputStream *ost,
661 AVInputStream *ist,
662 AVFrame *in_picture,
663 int *frame_size)
664 {
665 int nb_frames, i, ret;
666 AVFrame *final_picture, *formatted_picture;
667 AVFrame picture_format_temp, picture_crop_temp;
668 uint8_t *buf = NULL, *buf1 = NULL;
669 AVCodecContext *enc, *dec;
670 enum PixelFormat target_pixfmt;
671
672 #define VIDEO_BUFFER_SIZE (1024*1024)
673
674 avcodec_get_frame_defaults(&picture_format_temp);
675 avcodec_get_frame_defaults(&picture_crop_temp);
676
677 enc = &ost->st->codec;
678 dec = &ist->st->codec;
679
680 /* by default, we output a single frame */
681 nb_frames = 1;
682
683 *frame_size = 0;
684
685 if(video_sync_method){
686 double vdelta;
687 vdelta = ost->sync_ipts * enc->frame_rate / enc->frame_rate_base - ost->sync_opts;
688 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
689 if (vdelta < -1.1)
690 nb_frames = 0;
691 else if (vdelta > 1.1)
692 nb_frames = lrintf(vdelta - 1.1 + 0.5);
693 //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);
694 if (nb_frames == 0){
695 ++nb_frames_drop;
696 if (verbose>2)
697 fprintf(stderr, "*** drop!\n");
698 }else if (nb_frames > 1) {
699 nb_frames_dup += nb_frames;
700 if (verbose>2)
701 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
702 }
703 }else
704 ost->sync_opts= lrintf(ost->sync_ipts * enc->frame_rate / enc->frame_rate_base);
705
706 if (nb_frames <= 0)
707 return;
708
709 /* convert pixel format if needed */
710 target_pixfmt = ost->video_resample || ost->video_pad
711 ? PIX_FMT_YUV420P : enc->pix_fmt;
712 if (dec->pix_fmt != target_pixfmt) {
713 int size;
714
715 /* create temporary picture */
716 size = avpicture_get_size(target_pixfmt, dec->width, dec->height);
717 buf = av_malloc(size);
718 if (!buf)
719 return;
720 formatted_picture = &picture_format_temp;
721 avpicture_fill((AVPicture*)formatted_picture, buf, target_pixfmt, dec->width, dec->height);
722
723 if (img_convert((AVPicture*)formatted_picture, target_pixfmt,
724 (AVPicture *)in_picture, dec->pix_fmt,
725 dec->width, dec->height) < 0) {
726
727 if (verbose >= 0)
728 fprintf(stderr, "pixel format conversion not handled\n");
729
730 goto the_end;
731 }
732 } else {
733 formatted_picture = in_picture;
734 }
735
736 /* XXX: resampling could be done before raw format conversion in
737 some cases to go faster */
738 /* XXX: only works for YUV420P */
739 if (ost->video_resample) {
740 final_picture = &ost->pict_tmp;
741 img_resample(ost->img_resample_ctx, (AVPicture*)final_picture, (AVPicture*)formatted_picture);
742
743 if (ost->padtop || ost->padbottom || ost->padleft || ost->padright) {
744 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
745 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
746 padcolor);
747 }
748
749 if (enc->pix_fmt != PIX_FMT_YUV420P) {
750 int size;
751
752 av_free(buf);
753 /* create temporary picture */
754 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
755 buf = av_malloc(size);
756 if (!buf)
757 return;
758 final_picture = &picture_format_temp;
759 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
760
761 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
762 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
763 enc->width, enc->height) < 0) {
764
765 if (verbose >= 0)
766 fprintf(stderr, "pixel format conversion not handled\n");
767
768 goto the_end;
769 }
770 }
771 } else if (ost->video_crop) {
772 picture_crop_temp.data[0] = formatted_picture->data[0] +
773 (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
774
775 picture_crop_temp.data[1] = formatted_picture->data[1] +
776 ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
777 (ost->leftBand >> 1);
778
779 picture_crop_temp.data[2] = formatted_picture->data[2] +
780 ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
781 (ost->leftBand >> 1);
782
783 picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
784 picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
785 picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
786 final_picture = &picture_crop_temp;
787 } else if (ost->video_pad) {
788 final_picture = &ost->pict_tmp;
789
790 for (i = 0; i < 3; i++) {
791 uint8_t *optr, *iptr;
792 int shift = (i == 0) ? 0 : 1;
793 int y, yheight;
794
795 /* set offset to start writing image into */
796 optr = final_picture->data[i] + (((final_picture->linesize[i] *
797 ost->padtop) + ost->padleft) >> shift);
798 iptr = formatted_picture->data[i];
799
800 yheight = (enc->height - ost->padtop - ost->padbottom) >> shift;
801 for (y = 0; y < yheight; y++) {
802 /* copy unpadded image row into padded image row */
803 memcpy(optr, iptr, formatted_picture->linesize[i]);
804 optr += final_picture->linesize[i];
805 iptr += formatted_picture->linesize[i];
806 }
807 }
808
809 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
810 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
811 padcolor);
812
813 if (enc->pix_fmt != PIX_FMT_YUV420P) {
814 int size;
815
816 av_free(buf);
817 /* create temporary picture */
818 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
819 buf = av_malloc(size);
820 if (!buf)
821 return;
822 final_picture = &picture_format_temp;
823 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
824
825 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
826 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
827 enc->width, enc->height) < 0) {
828
829 if (verbose >= 0)
830 fprintf(stderr, "pixel format conversion not handled\n");
831
832 goto the_end;
833 }
834 }
835 } else {
836 final_picture = formatted_picture;
837 }
838 /* duplicates frame if needed */
839 for(i=0;i<nb_frames;i++) {
840 AVPacket pkt;
841 av_init_packet(&pkt);
842 pkt.stream_index= ost->index;
843
844 if (s->oformat->flags & AVFMT_RAWPICTURE) {
845 /* raw pictures are written as AVPicture structure to
846 avoid any copies. We support temorarily the older
847 method. */
848 AVFrame* old_frame = enc->coded_frame;
849 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
850 pkt.data= (uint8_t *)final_picture;
851 pkt.size= sizeof(AVPicture);
852 if(dec->coded_frame)
853 pkt.pts= dec->coded_frame->pts;
854 if(dec->coded_frame && dec->coded_frame->key_frame)
855 pkt.flags |= PKT_FLAG_KEY;
856
857 av_interleaved_write_frame(s, &pkt);
858 enc->coded_frame = old_frame;
859 } else {
860 AVFrame big_picture;
861
862 big_picture= *final_picture;
863 /* better than nothing: use input picture interlaced
864 settings */
865 big_picture.interlaced_frame = in_picture->interlaced_frame;
866 if(do_interlace_me || do_interlace_dct){
867 if(top_field_first == -1)
868 big_picture.top_field_first = in_picture->top_field_first;
869 else
870 big_picture.top_field_first = top_field_first;
871 }
872
873 /* handles sameq here. This is not correct because it may
874 not be a global option */
875 if (same_quality) {
876 big_picture.quality = ist->st->quality;
877 }else
878 big_picture.quality = ost->st->quality;
879 if(!me_threshold)
880 big_picture.pict_type = 0;
881 // big_picture.pts = AV_NOPTS_VALUE;
882 big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->frame_rate_base, enc->frame_rate);
883 //av_log(NULL, AV_LOG_DEBUG, "%lld -> encoder\n", ost->sync_opts);
884 ret = avcodec_encode_video(enc,
885 bit_buffer, VIDEO_BUFFER_SIZE,
886 &big_picture);
887 //enc->frame_number = enc->real_pict_num;
888 if(ret){
889 pkt.data= bit_buffer;
890 pkt.size= ret;
891 if(enc->coded_frame)
892 pkt.pts= enc->coded_frame->pts;
893 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %lld/%lld\n",
894 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->frame_rate, AV_TIME_BASE*(int64_t)enc->frame_rate_base) : -1,
895 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->frame_rate, AV_TIME_BASE*(int64_t)enc->frame_rate_base) : -1);*/
896
897 if(enc->coded_frame && enc->coded_frame->key_frame)
898 pkt.flags |= PKT_FLAG_KEY;
899 av_interleaved_write_frame(s, &pkt);
900 *frame_size = ret;
901 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
902 // enc->frame_number-1, enc->real_pict_num, ret,
903 // enc->pict_type);
904 /* if two pass, output log */
905 if (ost->logfile && enc->stats_out) {
906 fprintf(ost->logfile, "%s", enc->stats_out);
907 }
908 }
909 }
910 ost->sync_opts++;
911 ost->frame_number++;
912 }
913 the_end:
914 av_free(buf);
915 av_free(buf1);
916 }
917
918 static double psnr(double d){
919 if(d==0) return INFINITY;
920 return -10.0*log(d)/log(10.0);
921 }
922
923 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
924 int frame_size)
925 {
926 static FILE *fvstats=NULL;
927 char filename[40];
928 time_t today2;
929 struct tm *today;
930 AVCodecContext *enc;
931 int frame_number;
932 int64_t ti;
933 double ti1, bitrate, avg_bitrate;
934
935 if (!fvstats) {
936 today2 = time(NULL);
937 today = localtime(&today2);
938 sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour,
939 today->tm_min,
940 today->tm_sec);
941 fvstats = fopen(filename,"w");
942 if (!fvstats) {
943 perror("fopen");
944 exit(1);
945 }
946 }
947
948 ti = MAXINT64;
949 enc = &ost->st->codec;
950 if (enc->codec_type == CODEC_TYPE_VIDEO) {
951 frame_number = ost->frame_number;
952 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
953 if (enc->flags&CODEC_FLAG_PSNR)
954 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
955
956 fprintf(fvstats,"f_size= %6d ", frame_size);
957 /* compute pts value */
958 ti1 = (double)ost->sync_opts *enc->frame_rate_base / enc->frame_rate;
959 if (ti1 < 0.01)
960 ti1 = 0.01;
961
962 bitrate = (double)(frame_size * 8) * enc->frame_rate / enc->frame_rate_base / 1000.0;
963 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
964 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
965 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
966 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
967 }
968 }
969
970 static void print_report(AVFormatContext **output_files,
971 AVOutputStream **ost_table, int nb_ostreams,
972 int is_last_report)
973 {
974 char buf[1024];
975 AVOutputStream *ost;
976 AVFormatContext *oc, *os;
977 int64_t total_size;
978 AVCodecContext *enc;
979 int frame_number, vid, i;
980 double bitrate, ti1, pts;
981 static int64_t last_time = -1;
982
983 if (!is_last_report) {
984 int64_t cur_time;
985 /* display the report every 0.5 seconds */
986 cur_time = av_gettime();
987 if (last_time == -1) {
988 last_time = cur_time;
989 return;
990 }
991 if ((cur_time - last_time) < 500000)
992 return;
993 last_time = cur_time;
994 }
995
996
997 oc = output_files[0];
998
999 total_size = url_ftell(&oc->pb);
1000
1001 buf[0] = '\0';
1002 ti1 = 1e10;
1003 vid = 0;
1004 for(i=0;i<nb_ostreams;i++) {
1005 ost = ost_table[i];
1006 os = output_files[ost->file_index];
1007 enc = &ost->st->codec;
1008 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1009 sprintf(buf + strlen(buf), "q=%2.1f ",
1010 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1011 }
1012 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1013 frame_number = ost->frame_number;
1014 sprintf(buf + strlen(buf), "frame=%5d q=%2.1f ",
1015 frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : 0);
1016 if(is_last_report)
1017 sprintf(buf + strlen(buf), "L");
1018 if (enc->flags&CODEC_FLAG_PSNR){
1019 int j;
1020 double error, error_sum=0;
1021 double scale, scale_sum=0;
1022 char type[3]= {'Y','U','V'};
1023 sprintf(buf + strlen(buf), "PSNR=");
1024 for(j=0; j<3; j++){
1025 if(is_last_report){
1026 error= enc->error[j];
1027 scale= enc->width*enc->height*255.0*255.0*frame_number;
1028 }else{
1029 error= enc->coded_frame->error[j];
1030 scale= enc->width*enc->height*255.0*255.0;
1031 }
1032 if(j) scale/=4;
1033 error_sum += error;
1034 scale_sum += scale;
1035 sprintf(buf + strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1036 }
1037 sprintf(buf + strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1038 }
1039 vid = 1;
1040 }
1041 /* compute min output value */
1042 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1043 if ((pts < ti1) && (pts > 0))
1044 ti1 = pts;
1045 }
1046 if (ti1 < 0.01)
1047 ti1 = 0.01;
1048
1049 if (verbose || is_last_report) {
1050 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1051
1052 sprintf(buf + strlen(buf),
1053 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1054 (double)total_size / 1024, ti1, bitrate);
1055
1056 if (verbose > 1)
1057 sprintf(buf + strlen(buf), " dup=%d drop=%d",
1058 nb_frames_dup, nb_frames_drop);
1059
1060 if (verbose >= 0)
1061 fprintf(stderr, "%s \r", buf);
1062
1063 fflush(stderr);
1064 }
1065
1066 if (is_last_report && verbose >= 0){
1067 int64_t raw= audio_size + video_size + extra_size;
1068 fprintf(stderr, "\n");
1069 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1070 video_size/1024.0,
1071 audio_size/1024.0,
1072 extra_size/1024.0,
1073 100.0*(total_size - raw)/raw
1074 );
1075 }
1076 }
1077
1078 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1079 static int output_packet(AVInputStream *ist, int ist_index,
1080 AVOutputStream **ost_table, int nb_ostreams,
1081 const AVPacket *pkt)
1082 {
1083 AVFormatContext *os;
1084 AVOutputStream *ost;
1085 uint8_t *ptr;
1086 int len, ret, i;
1087 uint8_t *data_buf;
1088 int data_size, got_picture;
1089 AVFrame picture;
1090 void *buffer_to_free;
1091 static int samples_size= 0;
1092 static short *samples= NULL;
1093
1094 if(!pkt){
1095 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1096 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1097 ist->next_pts = ist->pts = pkt->dts;
1098 } else {
1099 assert(ist->pts == ist->next_pts);
1100 }
1101
1102 if (pkt == NULL) {
1103 /* EOF handling */
1104 ptr = NULL;
1105 len = 0;
1106 goto handle_eof;
1107 }
1108
1109 len = pkt->size;
1110 ptr = pkt->data;
1111 while (len > 0) {
1112 handle_eof:
1113 /* decode the packet if needed */
1114 data_buf = NULL; /* fail safe */
1115 data_size = 0;
1116 if (ist->decoding_needed) {
1117 switch(ist->st->codec.codec_type) {
1118 case CODEC_TYPE_AUDIO:{
1119 if(pkt)
1120 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size, AVCODEC_MAX_AUDIO_FRAME_SIZE));
1121 /* XXX: could avoid copy if PCM 16 bits with same
1122 endianness as CPU */
1123 ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
1124 ptr, len);
1125 if (ret < 0)
1126 goto fail_decode;
1127 ptr += ret;
1128 len -= ret;
1129 /* Some bug in mpeg audio decoder gives */
1130 /* data_size < 0, it seems they are overflows */
1131 if (data_size <= 0) {
1132 /* no audio frame */
1133 continue;
1134 }
1135 data_buf = (uint8_t *)samples;
1136 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1137 (ist->st->codec.sample_rate * ist->st->codec.channels);
1138 break;}
1139 case CODEC_TYPE_VIDEO:
1140 data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
1141 /* XXX: allocate picture correctly */
1142 avcodec_get_frame_defaults(&picture);
1143
1144 ret = avcodec_decode_video(&ist->st->codec,
1145 &picture, &got_picture, ptr, len);
1146 ist->st->quality= picture.quality;
1147 if (ret < 0)
1148 goto fail_decode;
1149 if (!got_picture) {
1150 /* no picture yet */
1151 goto discard_packet;
1152 }
1153 if (ist->st->codec.frame_rate_base != 0) {
1154 ist->next_pts += ((int64_t)AV_TIME_BASE *
1155 ist->st->codec.frame_rate_base) /
1156 ist->st->codec.frame_rate;
1157 }
1158 len = 0;
1159 break;
1160 default:
1161 goto fail_decode;
1162 }
1163 } else {
1164 data_buf = ptr;
1165 data_size = len;
1166 ret = len;
1167 len = 0;
1168 }
1169
1170 buffer_to_free = NULL;
1171 if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1172 pre_process_video_frame(ist, (AVPicture *)&picture,
1173 &buffer_to_free);
1174 }
1175
1176 /* frame rate emulation */
1177 if (ist->st->codec.rate_emu) {
1178 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec.frame_rate_base, 1000000, ist->st->codec.frame_rate);
1179 int64_t now = av_gettime() - ist->start;
1180 if (pts > now)
1181 usleep(pts - now);
1182
1183 ist->frame++;
1184 }
1185
1186 #if 0
1187 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1188 is the one of the next displayed one */
1189 /* XXX: add mpeg4 too ? */
1190 if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
1191 if (ist->st->codec.pict_type != B_TYPE) {
1192 int64_t tmp;
1193 tmp = ist->last_ip_pts;
1194 ist->last_ip_pts = ist->frac_pts.val;
1195 ist->frac_pts.val = tmp;
1196 }
1197 }
1198 #endif
1199 /* if output time reached then transcode raw format,
1200 encode packets and output them */
1201 if (start_time == 0 || ist->pts >= start_time)
1202 for(i=0;i<nb_ostreams;i++) {
1203 int frame_size;
1204
1205 ost = ost_table[i];
1206 if (ost->source_index == ist_index) {
1207 os = output_files[ost->file_index];
1208
1209 #if 0
1210 printf("%d: got pts=%0.3f %0.3f\n", i,
1211 (double)pkt->pts / AV_TIME_BASE,
1212 ((double)ist->pts / AV_TIME_BASE) -
1213 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1214 #endif
1215 /* set the input output pts pairs */
1216 ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index])/ AV_TIME_BASE;
1217
1218 if (ost->encoding_needed) {
1219 switch(ost->st->codec.codec_type) {
1220 case CODEC_TYPE_AUDIO:
1221 do_audio_out(os, ost, ist, data_buf, data_size);
1222 break;
1223 case CODEC_TYPE_VIDEO:
1224 do_video_out(os, ost, ist, &picture, &frame_size);
1225 video_size += frame_size;
1226 if (do_vstats && frame_size)
1227 do_video_stats(os, ost, frame_size);
1228 break;
1229 default:
1230 av_abort();
1231 }
1232 } else {
1233 AVFrame avframe; //FIXME/XXX remove this
1234 AVPacket opkt;
1235 av_init_packet(&opkt);
1236
1237 /* no reencoding needed : output the packet directly */
1238 /* force the input stream PTS */
1239
1240 avcodec_get_frame_defaults(&avframe);
1241 ost->st->codec.coded_frame= &avframe;
1242 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1243
1244 if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO)
1245 audio_size += data_size;
1246 else if (ost->st->codec.codec_type == CODEC_TYPE_VIDEO)
1247 video_size += data_size;
1248
1249 opkt.stream_index= ost->index;
1250 opkt.data= data_buf;
1251 opkt.size= data_size;
1252 if(pkt->pts != AV_NOPTS_VALUE)
1253 opkt.pts= pkt->pts + input_files_ts_offset[ist->file_index];
1254 else
1255 opkt.pts= AV_NOPTS_VALUE;
1256 opkt.dts= pkt->dts + input_files_ts_offset[ist->file_index];
1257 opkt.flags= pkt->flags;
1258
1259 av_interleaved_write_frame(os, &opkt);
1260 ost->st->codec.frame_number++;
1261 ost->frame_number++;
1262 }
1263 }
1264 }
1265 av_free(buffer_to_free);
1266 }
1267 discard_packet:
1268 if (pkt == NULL) {
1269 /* EOF handling */
1270
1271 for(i=0;i<nb_ostreams;i++) {
1272 ost = ost_table[i];
1273 if (ost->source_index == ist_index) {
1274 AVCodecContext *enc= &ost->st->codec;
1275 os = output_files[ost->file_index];
1276
1277 if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1278 continue;
1279 if(ost->st->codec.codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1280 continue;
1281
1282 if (ost->encoding_needed) {
1283 for(;;) {
1284 AVPacket pkt;
1285 av_init_packet(&pkt);
1286 pkt.stream_index= ost->index;
1287
1288 switch(ost->st->codec.codec_type) {
1289 case CODEC_TYPE_AUDIO:
1290 ret = avcodec_encode_audio(enc, bit_buffer, VIDEO_BUFFER_SIZE, NULL);
1291 audio_size += ret;
1292 pkt.flags |= PKT_FLAG_KEY;
1293 break;
1294 case CODEC_TYPE_VIDEO:
1295 ret = avcodec_encode_video(enc, bit_buffer, VIDEO_BUFFER_SIZE, NULL);
1296 video_size += ret;
1297 if(enc->coded_frame && enc->coded_frame->key_frame)
1298 pkt.flags |= PKT_FLAG_KEY;
1299 if (ost->logfile && enc->stats_out) {
1300 fprintf(ost->logfile, "%s", enc->stats_out);
1301 }
1302 break;
1303 default:
1304 ret=-1;
1305 }
1306
1307 if(ret<=0)
1308 break;
1309 pkt.data= bit_buffer;
1310 pkt.size= ret;
1311 if(enc->coded_frame)
1312 pkt.pts= enc->coded_frame->pts;
1313 av_interleaved_write_frame(os, &pkt);
1314 }
1315 }
1316 }
1317 }
1318 }
1319
1320 return 0;
1321 fail_decode:
1322 return -1;
1323 }
1324
1325
1326 /*
1327 * The following code is the main loop of the file converter
1328 */
1329 static int av_encode(AVFormatContext **output_files,
1330 int nb_output_files,
1331 AVFormatContext **input_files,
1332 int nb_input_files,
1333 AVStreamMap *stream_maps, int nb_stream_maps)
1334 {
1335 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1336 AVFormatContext *is, *os;
1337 AVCodecContext *codec, *icodec;
1338 AVOutputStream *ost, **ost_table = NULL;
1339 AVInputStream *ist, **ist_table = NULL;
1340 AVInputFile *file_table;
1341 AVFormatContext *stream_no_data;
1342 int key;
1343
1344 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1345 if (!file_table)
1346 goto fail;
1347
1348 if (!bit_buffer)
1349 bit_buffer = av_malloc(VIDEO_BUFFER_SIZE);
1350 if (!bit_buffer)
1351 goto fail;
1352
1353 /* input stream init */
1354 j = 0;
1355 for(i=0;i<nb_input_files;i++) {
1356 is = input_files[i];
1357 file_table[i].ist_index = j;
1358 file_table[i].nb_streams = is->nb_streams;
1359 j += is->nb_streams;
1360 }
1361 nb_istreams = j;
1362
1363 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1364 if (!ist_table)
1365 goto fail;
1366
1367 for(i=0;i<nb_istreams;i++) {
1368 ist = av_mallocz(sizeof(AVInputStream));
1369 if (!ist)
1370 goto fail;
1371 ist_table[i] = ist;
1372 }
1373 j = 0;
1374 for(i=0;i<nb_input_files;i++) {
1375 is = input_files[i];
1376 for(k=0;k<is->nb_streams;k++) {
1377 ist = ist_table[j++];
1378 ist->st = is->streams[k];
1379 ist->file_index = i;
1380 ist->index = k;
1381 ist->discard = 1; /* the stream is discarded by default
1382 (changed later) */
1383
1384 if (ist->st->codec.rate_emu) {
1385 ist->start = av_gettime();
1386 ist->frame = 0;
1387 }
1388 }
1389 }
1390
1391 /* output stream init */
1392 nb_ostreams = 0;
1393 for(i=0;i<nb_output_files;i++) {
1394 os = output_files[i];
1395 nb_ostreams += os->nb_streams;
1396 }
1397 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1398 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1399 exit(1);
1400 }
1401
1402 /* Sanity check the mapping args -- do the input files & streams exist? */
1403 for(i=0;i<nb_stream_maps;i++) {
1404 int fi = stream_maps[i].file_index;
1405 int si = stream_maps[i].stream_index;
1406
1407 if (fi < 0 || fi > nb_input_files - 1 ||
1408 si < 0 || si > file_table[fi].nb_streams - 1) {
1409 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1410 exit(1);
1411 }
1412 }
1413
1414 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1415 if (!ost_table)
1416 goto fail;
1417 for(i=0;i<nb_ostreams;i++) {
1418 ost = av_mallocz(sizeof(AVOutputStream));
1419 if (!ost)
1420 goto fail;
1421 ost_table[i] = ost;
1422 }
1423
1424 n = 0;
1425 for(k=0;k<nb_output_files;k++) {
1426 os = output_files[k];
1427 for(i=0;i<os->nb_streams;i++) {
1428 int found;
1429 ost = ost_table[n++];
1430 ost->file_index = k;
1431 ost->index = i;
1432 ost->st = os->streams[i];
1433 if (nb_stream_maps > 0) {
1434 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1435 stream_maps[n-1].stream_index;
1436
1437 /* Sanity check that the stream types match */
1438 if (ist_table[ost->source_index]->st->codec.codec_type != ost->st->codec.codec_type) {
1439 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1440 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1441 ost->file_index, ost->index);
1442 exit(1);
1443 }
1444
1445 } else {
1446 /* get corresponding input stream index : we select the first one with the right type */
1447 found = 0;
1448 for(j=0;j<nb_istreams;j++) {
1449 ist = ist_table[j];
1450 if (ist->discard &&
1451 ist->st->codec.codec_type == ost->st->codec.codec_type) {
1452 ost->source_index = j;
1453 found = 1;
1454 break;
1455 }
1456 }
1457
1458 if (!found) {
1459 /* try again and reuse existing stream */
1460 for(j=0;j<nb_istreams;j++) {
1461 ist = ist_table[j];
1462 if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
1463 ost->source_index = j;
1464 found = 1;
1465 }
1466 }
1467 if (!found) {
1468 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1469 ost->file_index, ost->index);
1470 exit(1);
1471 }
1472 }
1473 }
1474 ist = ist_table[ost->source_index];
1475 ist->discard = 0;
1476 }
1477 }
1478
1479 /* for each output stream, we compute the right encoding parameters */
1480 for(i=0;i<nb_ostreams;i++) {
1481 ost = ost_table[i];
1482 ist = ist_table[ost->source_index];
1483
1484 codec = &ost->st->codec;
1485 icodec = &ist->st->codec;
1486
1487 if (ost->st->stream_copy) {
1488 /* if stream_copy is selected, no need to decode or encode */
1489 codec->codec_id = icodec->codec_id;
1490 codec->codec_type = icodec->codec_type;
1491 codec->codec_tag = icodec->codec_tag;
1492 codec->bit_rate = icodec->bit_rate;
1493 switch(codec->codec_type) {
1494 case CODEC_TYPE_AUDIO:
1495 codec->sample_rate = icodec->sample_rate;
1496 codec->channels = icodec->channels;
1497 codec->frame_size = icodec->frame_size;
1498 break;
1499 case CODEC_TYPE_VIDEO:
1500 codec->frame_rate = icodec->frame_rate;
1501 codec->frame_rate_base = icodec->frame_rate_base;
1502 codec->width = icodec->width;
1503 codec->height = icodec->height;
1504 break;
1505 default:
1506 av_abort();
1507 }
1508 } else {
1509 switch(codec->codec_type) {
1510 case CODEC_TYPE_AUDIO:
1511 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1512 goto fail;
1513
1514 if (codec->channels == icodec->channels &&
1515 codec->sample_rate == icodec->sample_rate) {
1516 ost->audio_resample = 0;
1517 } else {
1518 if (codec->channels != icodec->channels &&
1519 (icodec->codec_id == CODEC_ID_AC3 ||
1520 icodec->codec_id == CODEC_ID_DTS)) {
1521 /* Special case for 5:1 AC3 and DTS input */
1522 /* and mono or stereo output */
1523 /* Request specific number of channels */
1524 icodec->channels = codec->channels;
1525 if (codec->sample_rate == icodec->sample_rate)
1526 ost->audio_resample = 0;
1527 else {
1528 ost->audio_resample = 1;
1529 }
1530 } else {
1531 ost->audio_resample = 1;
1532 }
1533 }
1534 if(audio_sync_method>1)
1535 ost->audio_resample = 1;
1536
1537 if(ost->audio_resample){
1538 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1539 codec->sample_rate, icodec->sample_rate);
1540 if(!ost->resample){
1541 printf("Can't resample. Aborting.\n");
1542 av_abort();
1543 }
1544 }
1545 ist->decoding_needed = 1;
1546 ost->encoding_needed = 1;
1547 break;
1548 case CODEC_TYPE_VIDEO:
1549 if (codec->width == icodec->width &&
1550 codec->height == icodec->height &&
1551 frame_topBand == 0 &&
1552 frame_bottomBand == 0 &&
1553 frame_leftBand == 0 &&
1554 frame_rightBand == 0 &&
1555 frame_padtop == 0 &&
1556 frame_padbottom == 0 &&
1557 frame_padleft == 0 &&
1558 frame_padright == 0)
1559 {
1560 ost->video_resample = 0;
1561 ost->video_crop = 0;
1562 ost->video_pad = 0;
1563 } else if ((codec->width == icodec->width -
1564 (frame_leftBand + frame_rightBand)) &&
1565 (codec->height == icodec->height -
1566 (frame_topBand + frame_bottomBand)))
1567 {
1568 ost->video_resample = 0;
1569 ost->video_crop = 1;
1570 ost->topBand = frame_topBand;
1571 ost->leftBand = frame_leftBand;
1572 } else if ((codec->width == icodec->width +
1573 (frame_padleft + frame_padright)) &&
1574 (codec->height == icodec->height +
1575 (frame_padtop + frame_padbottom))) {
1576 ost->video_resample = 0;
1577 ost->video_crop = 0;
1578 ost->video_pad = 1;
1579 ost->padtop = frame_padtop;
1580 ost->padleft = frame_padleft;
1581 ost->padbottom = frame_padbottom;
1582 ost->padright = frame_padright;
1583 avcodec_get_frame_defaults(&ost->pict_tmp);
1584 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1585 codec->width, codec->height ) )
1586 goto fail;
1587 } else {
1588 ost->video_resample = 1;
1589 ost->video_crop = 0; // cropping is handled as part of resample
1590 avcodec_get_frame_defaults(&ost->pict_tmp);
1591 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1592 codec->width, codec->height ) )
1593 goto fail;
1594
1595 ost->img_resample_ctx = img_resample_full_init(
1596 ost->st->codec.width, ost->st->codec.height,
1597 ist->st->codec.width, ist->st->codec.height,
1598 frame_topBand, frame_bottomBand,
1599 frame_leftBand, frame_rightBand,
1600 frame_padtop, frame_padbottom,
1601 frame_padleft, frame_padright);
1602
1603 ost->padtop = frame_padtop;
1604 ost->padleft = frame_padleft;
1605 ost->padbottom = frame_padbottom;
1606 ost->padright = frame_padright;
1607
1608 }
1609 ost->encoding_needed = 1;
1610 ist->decoding_needed = 1;
1611 break;
1612 default:
1613 av_abort();
1614 }
1615 /* two pass mode */
1616 if (ost->encoding_needed &&
1617 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1618 char logfilename[1024];
1619 FILE *f;
1620 int size;
1621 char *logbuffer;
1622
1623 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1624 pass_logfilename ?
1625 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1626 if (codec->flags & CODEC_FLAG_PASS1) {
1627 f = fopen(logfilename, "w");
1628 if (!f) {
1629 perror(logfilename);
1630 exit(1);
1631 }
1632 ost->logfile = f;
1633 } else {
1634 /* read the log file */
1635 f = fopen(logfilename, "r");
1636 if (!f) {
1637 perror(logfilename);
1638 exit(1);
1639 }
1640 fseek(f, 0, SEEK_END);
1641 size = ftell(f);
1642 fseek(f, 0, SEEK_SET);
1643 logbuffer = av_malloc(size + 1);
1644 if (!logbuffer) {
1645 fprintf(stderr, "Could not allocate log buffer\n");
1646 exit(1);
1647 }
1648 size = fread(logbuffer, 1, size, f);
1649 fclose(f);
1650 logbuffer[size] = '\0';
1651 codec->stats_in = logbuffer;
1652 }
1653 }
1654 }
1655 }
1656
1657 /* dump the file output parameters - cannot be done before in case
1658 of stream copy */
1659 for(i=0;i<nb_output_files;i++) {
1660 dump_format(output_files[i], i, output_files[i]->filename, 1);
1661 }
1662
1663 /* dump the stream mapping */
1664 if (verbose >= 0) {
1665 fprintf(stderr, "Stream mapping:\n");
1666 for(i=0;i<nb_ostreams;i++) {
1667 ost = ost_table[i];
1668 fprintf(stderr, " Stream #%d.%d -> #%d.%d\n",
1669 ist_table[ost->source_index]->file_index,
1670 ist_table[ost->source_index]->index,
1671 ost->file_index,
1672 ost->index);
1673 }
1674 }
1675
1676 /* open each encoder */
1677 for(i=0;i<nb_ostreams;i++) {
1678 ost = ost_table[i];
1679 if (ost->encoding_needed) {
1680 AVCodec *codec;
1681 codec = avcodec_find_encoder(ost->st->codec.codec_id);
1682 if (!codec) {
1683 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1684 ost->file_index, ost->index);
1685 exit(1);
1686 }
1687 if (avcodec_open(&ost->st->codec, codec) < 0) {
1688 fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1689 ost->file_index, ost->index);
1690 exit(1);
1691 }
1692 extra_size += ost->st->codec.extradata_size;
1693 }
1694 }
1695
1696 /* open each decoder */
1697 for(i=0;i<nb_istreams;i++) {
1698 ist = ist_table[i];
1699 if (ist->decoding_needed) {
1700 AVCodec *codec;
1701 codec = avcodec_find_decoder(ist->st->codec.codec_id);
1702 if (!codec) {
1703 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1704 ist->st->codec.codec_id, ist->file_index, ist->index);
1705 exit(1);
1706 }
1707 if (avcodec_open(&ist->st->codec, codec) < 0) {
1708 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1709 ist->file_index, ist->index);
1710 exit(1);
1711 }
1712 //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1713 // ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1714 }
1715 }
1716
1717 /* init pts */
1718 for(i=0;i<nb_istreams;i++) {
1719 ist = ist_table[i];
1720 is = input_files[ist->file_index];
1721 ist->pts = 0;
1722 ist->next_pts = ist->st->start_time;
1723 if(ist->next_pts == AV_NOPTS_VALUE)
1724 ist->next_pts=0;
1725 ist->is_start = 1;
1726 }
1727
1728 /* compute buffer size max (should use a complete heuristic) */
1729 for(i=0;i<nb_input_files;i++) {
1730 file_table[i].buffer_size_max = 2048;
1731 }
1732
1733 /* set meta data information from input file if required */
1734 for (i=0;i<nb_meta_data_maps;i++) {
1735 AVFormatContext *out_file;
1736 AVFormatContext *in_file;
1737
1738 int out_file_index = meta_data_maps[i].out_file;
1739 int in_file_index = meta_data_maps[i].in_file;
1740 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1741 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1742 ret = -EINVAL;
1743 goto fail;
1744 }
1745 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1746 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1747 ret = -EINVAL;
1748 goto fail;
1749 }
1750
1751 out_file = output_files[out_file_index];
1752 in_file = input_files[in_file_index];
1753
1754 strcpy(out_file->title, in_file->title);
1755 strcpy(out_file->author, in_file->author);
1756 strcpy(out_file->copyright, in_file->copyright);
1757 strcpy(out_file->comment, in_file->comment);
1758 strcpy(out_file->album, in_file->album);
1759 out_file->year = in_file->year;
1760 out_file->track = in_file->track;
1761 strcpy(out_file->genre, in_file->genre);
1762 }
1763
1764 /* open files and write file headers */
1765 for(i=0;i<nb_output_files;i++) {
1766 os = output_files[i];
1767 if (av_write_header(os) < 0) {
1768 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1769 ret = -EINVAL;
1770 goto fail;
1771 }
1772 }
1773
1774 #ifndef CONFIG_WIN32
1775 if ( !using_stdin && verbose >= 0) {
1776 fprintf(stderr, "Press [q] to stop encoding\n");
1777 url_set_interrupt_cb(decode_interrupt_cb);
1778 }
1779 #endif
1780 term_init();
1781
1782 stream_no_data = 0;
1783 key = -1;
1784
1785 for(; received_sigterm == 0;) {
1786 int file_index, ist_index;
1787 AVPacket pkt;
1788 double ipts_min;
1789 double opts_min;
1790
1791 redo:
1792 ipts_min= 1e100;
1793 opts_min= 1e100;
1794 /* if 'q' pressed, exits */
1795 if (!using_stdin) {
1796 if (q_pressed)
1797 break;
1798 /* read_key() returns 0 on EOF */
1799 key = read_key();
1800 if (key == 'q')
1801 break;
1802 }
1803
1804 /* select the stream that we must read now by looking at the
1805 smallest output pts */
1806 file_index = -1;
1807 for(i=0;i<nb_ostreams;i++) {
1808 double ipts, opts;
1809 ost = ost_table[i];
1810 os = output_files[ost->file_index];
1811 ist = ist_table[ost->source_index];
1812 if(ost->st->codec.codec_type == CODEC_TYPE_VIDEO)
1813 opts = (double)ost->sync_opts * ost->st->codec.frame_rate_base / ost->st->codec.frame_rate;
1814 else
1815 opts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1816 ipts = (double)ist->pts;
1817 if (!file_table[ist->file_index].eof_reached){
1818 if(ipts < ipts_min) {
1819 ipts_min = ipts;
1820 if(input_sync ) file_index = ist->file_index;
1821 }
1822 if(opts < opts_min) {
1823 opts_min = opts;
1824 if(!input_sync) file_index = ist->file_index;
1825 }
1826 }
1827 }
1828 /* if none, if is finished */
1829 if (file_index < 0) {
1830 break;
1831 }
1832
1833 /* finish if recording time exhausted */
1834 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1835 break;
1836
1837 /* read a frame from it and output it in the fifo */
1838 is = input_files[file_index];
1839 if (av_read_frame(is, &pkt) < 0) {
1840 file_table[file_index].eof_reached = 1;
1841 continue;
1842 }
1843
1844 if (!pkt.size) {
1845 stream_no_data = is;
1846 } else {
1847 stream_no_data = 0;
1848 }
1849 if (do_pkt_dump) {
1850 av_pkt_dump(stdout, &pkt, do_hex_dump);
1851 }
1852 /* the following test is needed in case new streams appear
1853 dynamically in stream : we ignore them */
1854 if (pkt.stream_index >= file_table[file_index].nb_streams)
1855 goto discard_packet;
1856 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1857 ist = ist_table[ist_index];
1858 if (ist->discard)
1859 goto discard_packet;
1860
1861 // 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);
1862 if (pkt.dts != AV_NOPTS_VALUE) {
1863 int64_t delta= pkt.dts - ist->next_pts;
1864 if(ABS(delta) > 10LL*AV_TIME_BASE && !copy_ts){
1865 input_files_ts_offset[ist->file_index]-= delta;
1866 if (verbose > 2)
1867 fprintf(stderr, "timestamp discontinuity %lld, new offset= %lld\n", delta, input_files_ts_offset[ist->file_index]);
1868 for(i=0; i<file_table[file_index].nb_streams; i++){
1869 int index= file_table[file_index].ist_index + i;
1870 ist_table[index]->next_pts += delta;
1871 ist_table[index]->is_start=1;
1872 }
1873 }
1874 }
1875
1876 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1877 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1878
1879 if (verbose >= 0)
1880 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1881 ist->file_index, ist->index);
1882
1883 av_free_packet(&pkt);
1884 goto redo;
1885 }
1886
1887 discard_packet:
1888 av_free_packet(&pkt);
1889
1890 /* dump report by using the output first video and audio streams */
1891 print_report(output_files, ost_table, nb_ostreams, 0);
1892 }
1893
1894 /* at the end of stream, we must flush the decoder buffers */
1895 for(i=0;i<nb_istreams;i++) {
1896 ist = ist_table[i];
1897 if (ist->decoding_needed) {
1898 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1899 }
1900 }
1901
1902 term_exit();
1903
1904 /* write the trailer if needed and close file */
1905 for(i=0;i<nb_output_files;i++) {
1906 os = output_files[i];
1907 av_write_trailer(os);
1908 }
1909
1910 /* dump report by using the first video and audio streams */
1911 print_report(output_files, ost_table, nb_ostreams, 1);
1912
1913 /* close each encoder */
1914 for(i=0;i<nb_ostreams;i++) {
1915 ost = ost_table[i];
1916 if (ost->encoding_needed) {
1917 av_freep(&ost->st->codec.stats_in);
1918 avcodec_close(&ost->st->codec);
1919 }
1920 }
1921
1922 /* close each decoder */
1923 for(i=0;i<nb_istreams;i++) {
1924 ist = ist_table[i];
1925 if (ist->decoding_needed) {
1926 avcodec_close(&ist->st->codec);
1927 }
1928 }
1929
1930 /* finished ! */
1931
1932 ret = 0;
1933 fail1:
1934 av_free(file_table);
1935
1936 if (ist_table) {
1937 for(i=0;i<nb_istreams;i++) {
1938 ist = ist_table[i];
1939 av_free(ist);
1940 }
1941 av_free(ist_table);
1942 }
1943 if (ost_table) {
1944 for(i=0;i<nb_ostreams;i++) {
1945 ost = ost_table[i];
1946 if (ost) {
1947 if (ost->logfile) {
1948 fclose(ost->logfile);
1949 ost->logfile = NULL;
1950 }
1951 fifo_free(&ost->fifo); /* works even if fifo is not
1952 initialized but set to zero */
1953 av_free(ost->pict_tmp.data[0]);
1954 if (ost->video_resample)
1955 img_resample_close(ost->img_resample_ctx);
1956 if (ost->audio_resample)
1957 audio_resample_close(ost->resample);
1958 av_free(ost);
1959 }
1960 }
1961 av_free(ost_table);
1962 }
1963 return ret;
1964 fail:
1965 ret = -ENOMEM;
1966 goto fail1;
1967 }
1968
1969 #if 0
1970 int file_read(const char *filename)
1971 {
1972 URLContext *h;
1973 unsigned char buffer[1024];
1974 int len, i;
1975
1976 if (url_open(&h, filename, O_RDONLY) < 0) {
1977 printf("could not open '%s'\n", filename);
1978 return -1;
1979 }
1980 for(;;) {
1981 len = url_read(h, buffer, sizeof(buffer));
1982 if (len <= 0)
1983 break;
1984 for(i=0;i<len;i++) putchar(buffer[i]);
1985 }
1986 url_close(h);
1987 return 0;
1988 }
1989 #endif
1990
1991 static void opt_image_format(const char *arg)
1992 {
1993 AVImageFormat *f;
1994
1995 for(f = first_image_format; f != NULL; f = f->next) {
1996 if (!strcmp(arg, f->name))
1997 break;
1998 }
1999 if (!f) {
2000 fprintf(stderr, "Unknown image format: '%s'\n", arg);
2001 exit(1);
2002 }
2003 image_format = f;
2004 }
2005
2006 static void opt_format(const char *arg)
2007 {
2008 /* compatibility stuff for pgmyuv */
2009 if (!strcmp(arg, "pgmyuv")) {
2010 opt_image_format(arg);
2011 arg = "image";
2012 }
2013
2014 file_iformat = av_find_input_format(arg);
2015 file_oformat = guess_format(arg, NULL, NULL);
2016 if (!file_iformat && !file_oformat) {
2017 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2018 exit(1);
2019 }
2020 }
2021
2022 static void opt_video_bitrate(const char *arg)
2023 {
2024 video_bit_rate = atoi(arg) * 1000;
2025 }
2026
2027 static void opt_video_bitrate_tolerance(const char *arg)
2028 {
2029 video_bit_rate_tolerance = atoi(arg) * 1000;
2030 }
2031
2032 static void opt_video_bitrate_max(const char *arg)
2033 {
2034 video_rc_max_rate = atoi(arg) * 1000;
2035 }
2036
2037 static void opt_video_bitrate_min(const char *arg)
2038 {
2039 video_rc_min_rate = atoi(arg) * 1000;
2040 }
2041
2042 static void opt_video_buffer_size(const char *arg)
2043 {
2044 video_rc_buffer_size = atoi(arg) * 8*1024;
2045 }
2046
2047 static void opt_video_rc_eq(char *arg)
2048 {
2049 video_rc_eq = arg;
2050 }
2051
2052 static void opt_video_rc_override_string(char *arg)
2053 {
2054 video_rc_override_string = arg;
2055 }
2056
2057
2058 static void opt_workaround_bugs(const char *arg)
2059 {
2060 workaround_bugs = atoi(arg);
2061 }
2062
2063 static void opt_dct_algo(const char *arg)
2064 {
2065 dct_algo = atoi(arg);
2066 }
2067
2068 static void opt_idct_algo(const char *arg)
2069 {
2070 idct_algo = atoi(arg);
2071 }
2072
2073 static void opt_me_threshold(const char *arg)
2074 {
2075 me_threshold = atoi(arg);
2076 }
2077
2078 static void opt_mb_threshold(const char *arg)
2079 {
2080 mb_threshold = atoi(arg);
2081 }
2082
2083 static void opt_error_resilience(const char *arg)
2084 {
2085 error_resilience = atoi(arg);
2086 }
2087
2088 static void opt_error_concealment(const char *arg)
2089 {
2090 error_concealment = atoi(arg);
2091 }
2092
2093 static void opt_debug(const char *arg)
2094 {
2095 debug = atoi(arg);
2096 }
2097
2098 static void opt_vismv(const char *arg)
2099 {
2100 debug_mv = atoi(arg);
2101 }
2102
2103 static void opt_verbose(const char *arg)
2104 {
2105 verbose = atoi(arg);
2106 av_log_set_level(atoi(arg));
2107 }
2108
2109 static void opt_frame_rate(const char *arg)
2110 {
2111 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2112 fprintf(stderr, "Incorrect frame rate\n");
2113 exit(1);
2114 }
2115 }
2116
2117 static void opt_frame_crop_top(const char *arg)
2118 {
2119 frame_topBand = atoi(arg);
2120 if (frame_topBand < 0) {
2121 fprintf(stderr, "Incorrect top crop size\n");
2122 exit(1);
2123 }
2124 if ((frame_topBand % 2) != 0) {
2125 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2126 exit(1);
2127 }
2128 if ((frame_topBand) >= frame_height){
2129 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2130 exit(1);
2131 }
2132 frame_height -= frame_topBand;
2133 }
2134
2135 static void opt_frame_crop_bottom(const char *arg)
2136 {
2137 frame_bottomBand = atoi(arg);
2138 if (frame_bottomBand < 0) {
2139 fprintf(stderr, "Incorrect bottom crop size\n");
2140 exit(1);
2141 }
2142 if ((frame_bottomBand % 2) != 0) {
2143 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2144 exit(1);
2145 }
2146 if ((frame_bottomBand) >= frame_height){
2147 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2148 exit(1);
2149 }
2150 frame_height -= frame_bottomBand;
2151 }
2152
2153 static void opt_frame_crop_left(const char *arg)
2154 {
2155 frame_leftBand = atoi(arg);
2156 if (frame_leftBand < 0) {
2157 fprintf(stderr, "Incorrect left crop size\n");
2158 exit(1);
2159 }
2160 if ((frame_leftBand % 2) != 0) {
2161 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2162 exit(1);
2163 }
2164 if ((frame_leftBand) >= frame_width){
2165 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2166 exit(1);
2167 }
2168 frame_width -= frame_leftBand;
2169 }
2170
2171 static void opt_frame_crop_right(const char *arg)
2172 {
2173 frame_rightBand = atoi(arg);
2174 if (frame_rightBand < 0) {
2175 fprintf(stderr, "Incorrect right crop size\n");
2176 exit(1);
2177 }
2178 if ((frame_rightBand % 2) != 0) {
2179 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2180 exit(1);
2181 }
2182 if ((frame_rightBand) >= frame_width){
2183 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2184 exit(1);
2185 }
2186 frame_width -= frame_rightBand;
2187 }
2188
2189 static void opt_frame_size(const char *arg)
2190 {
2191 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2192 fprintf(stderr, "Incorrect frame size\n");
2193 exit(1);
2194 }
2195 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2196 fprintf(stderr, "Frame size must be a multiple of 2\n");
2197 exit(1);
2198 }
2199 }
2200
2201
2202 #define SCALEBITS 10
2203 #define ONE_HALF (1 << (SCALEBITS - 1))
2204 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2205
2206 #define RGB_TO_Y(r, g, b) \
2207 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2208 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2209
2210 #define RGB_TO_U(r1, g1, b1, shift)\
2211 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2212 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2213
2214 #define RGB_TO_V(r1, g1, b1, shift)\
2215 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2216 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2217
2218 static void opt_pad_color(const char *arg) {
2219 /* Input is expected to be six hex digits similar to
2220 how colors are expressed in html tags (but without the #) */
2221 int rgb = strtol(arg, NULL, 16);
2222 int r,g,b;
2223
2224 r = (rgb >> 16);
2225 g = ((rgb >> 8) & 255);
2226 b = (rgb & 255);
2227
2228 padcolor[0] = RGB_TO_Y(r,g,b);
2229 padcolor[1] = RGB_TO_U(r,g,b,0);
2230 padcolor[2] = RGB_TO_V(r,g,b,0);
2231 }
2232
2233 static void opt_frame_pad_top(const char *arg)
2234 {
2235 frame_padtop = atoi(arg);
2236 if (frame_padtop < 0) {
2237 fprintf(stderr, "Incorrect top pad size\n");
2238 exit(1);
2239 }
2240 if ((frame_padtop % 2) != 0) {
2241 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2242 exit(1);
2243 }
2244 }
2245
2246 static void opt_frame_pad_bottom(const char *arg)
2247 {
2248 frame_padbottom = atoi(arg);
2249 if (frame_padbottom < 0) {
2250 fprintf(stderr, "Incorrect bottom pad size\n");
2251 exit(1);
2252 }
2253 if ((frame_padbottom % 2) != 0) {
2254 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2255 exit(1);
2256 }
2257 }
2258
2259
2260 static void opt_frame_pad_left(const char *arg)
2261 {
2262 frame_padleft = atoi(arg);
2263 if (frame_padleft < 0) {
2264 fprintf(stderr, "Incorrect left pad size\n");
2265 exit(1);
2266 }
2267 if ((frame_padleft % 2) != 0) {
2268 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2269 exit(1);
2270 }
2271 }
2272
2273
2274 static void opt_frame_pad_right(const char *arg)
2275 {
2276 frame_padright = atoi(arg);
2277 if (frame_padright < 0) {
2278 fprintf(stderr, "Incorrect right pad size\n");
2279 exit(1);
2280 }
2281 if ((frame_padright % 2) != 0) {
2282 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2283 exit(1);
2284 }
2285 }
2286
2287
2288 static void opt_frame_pix_fmt(const char *arg)
2289 {
2290 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2291 }
2292
2293 static void opt_frame_aspect_ratio(const char *arg)
2294 {
2295 int x = 0, y = 0;
2296 double ar = 0;
2297 const char *p;
2298
2299 p = strchr(arg, ':');
2300 if (p) {
2301 x = strtol(arg, (char **)&arg, 10);
2302 if (arg == p)
2303 y = strtol(arg+1, (char **)&arg, 10);
2304 if (x > 0 && y > 0)
2305 ar = (double)x / (double)y;
2306 } else
2307 ar = strtod(arg, (char **)&arg);
2308
2309 if (!ar) {
2310 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2311 exit(1);
2312 }
2313 frame_aspect_ratio = ar;
2314 }
2315
2316 static void opt_gop_size(const char *arg)
2317 {
2318 gop_size = atoi(arg);
2319 }
2320
2321 static void opt_b_frames(const char *arg)
2322 {
2323 b_frames = atoi(arg);
2324 if (b_frames > FF_MAX_B_FRAMES) {
2325 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
2326 exit(1);
2327 } else if (b_frames < 1) {
2328 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
2329 exit(1);
2330 }
2331 }
2332
2333 static void opt_mb_decision(const char *arg)
2334 {
2335 mb_decision = atoi(arg);
2336 }
2337
2338 static void opt_mb_cmp(const char *arg)
2339 {
2340 mb_cmp = atoi(arg);
2341 }
2342
2343 static void opt_ildct_cmp(const char *arg)
2344 {
2345 ildct_cmp = atoi(arg);
2346 }
2347
2348 static void opt_sub_cmp(const char *arg)
2349 {
2350 sub_cmp = atoi(arg);
2351 }
2352
2353 static void opt_cmp(const char *arg)
2354 {
2355 cmp = atoi(arg);
2356 }
2357
2358 static void opt_pre_cmp(const char *arg)
2359 {
2360 pre_cmp = atoi(arg);
2361 }
2362
2363 static void opt_pre_me(const char *arg)
2364 {
2365 pre_me = atoi(arg);
2366 }
2367
2368 static void opt_lumi_mask(const char *arg)
2369 {
2370 lumi_mask = atof(arg);
2371 }
2372
2373 static void opt_dark_mask(const char *arg)
2374 {
2375 dark_mask = atof(arg);
2376 }
2377
2378 static void opt_scplx_mask(const char *arg)
2379 {
2380 scplx_mask = atof(arg);
2381 }
2382
2383 static void opt_tcplx_mask(const char *arg)
2384 {
2385 tcplx_mask = atof(arg);
2386 }
2387
2388 static void opt_p_mask(const char *arg)
2389 {
2390 p_mask = atof(arg);
2391 }
2392
2393 static void opt_qscale(const char *arg)
2394 {
2395 video_qscale = atof(arg);
2396 if (video_qscale < 0.01 ||
2397 video_qscale > 255) {
2398 fprintf(stderr, "qscale must be >= 0.01 and <= 255\n");
2399 exit(1);
2400 }
2401 }
2402
2403 static void opt_lmax(const char *arg)
2404 {
2405 video_lmax = atof(arg)*FF_QP2LAMBDA;
2406 }
2407
2408 static void opt_lmin(const char *arg)
2409 {
2410 video_lmin = atof(arg)*FF_QP2LAMBDA;
2411 }
2412
2413 static void opt_qmin(const char *arg)
2414 {
2415 video_qmin = atoi(arg);
2416 if (video_qmin < 0 ||
2417 video_qmin > 31) {
2418 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
2419 exit(1);
2420 }
2421 }
2422
2423 static void opt_qmax(const char *arg)
2424 {
2425 video_qmax = atoi(arg);
2426 if (video_qmax < 0 ||
2427 video_qmax > 31) {
2428 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
2429 exit(1);
2430 }
2431 }
2432
2433 static void opt_mb_qmin(const char *arg)
2434 {
2435 video_mb_qmin = atoi(arg);
2436 if (video_mb_qmin < 0 ||
2437 video_mb_qmin > 31) {
2438 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
2439 exit(1);
2440 }
2441 }
2442
2443 static void opt_mb_qmax(const char *arg)
2444 {
2445 video_mb_qmax = atoi(arg);
2446 if (video_mb_qmax < 0 ||
2447 video_mb_qmax > 31) {
2448 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
2449 exit(1);
2450 }
2451 }
2452
2453 static void opt_qdiff(const char *arg)
2454 {
2455 video_qdiff = atoi(arg);
2456 if (video_qdiff < 0 ||
2457 video_qdiff > 31) {
2458 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2459 exit(1);
2460 }
2461 }
2462
2463 static void opt_qblur(const char *arg)
2464 {
2465 video_qblur = atof(arg);
2466 }
2467
2468 static void opt_qcomp(const char *arg)
2469 {
2470 video_qcomp = atof(arg);
2471 }
2472
2473 static void opt_rc_initial_cplx(const char *arg)
2474 {
2475 video_rc_initial_cplx = atof(arg);
2476 }
2477 static void opt_b_qfactor(const char *arg)
2478 {
2479 video_b_qfactor = atof(arg);
2480 }
2481 static void opt_i_qfactor(const char *arg)
2482 {
2483 video_i_qfactor = atof(arg);
2484 }
2485 static void opt_b_qoffset(const char *arg)
2486 {
2487 video_b_qoffset = atof(arg);
2488 }
2489 static void opt_i_qoffset(const char *arg)
2490 {
2491 video_i_qoffset = atof(arg);
2492 }
2493
2494 static void opt_ibias(const char *arg)
2495 {
2496 video_intra_quant_bias = atoi(arg);
2497 }
2498 static void opt_pbias(const char *arg)
2499 {
2500 video_inter_quant_bias = atoi(arg);
2501 }
2502
2503 static void opt_packet_size(const char *arg)
2504 {
2505 packet_size= atoi(arg);
2506 }
2507
2508 static void opt_error_rate(const char *arg)
2509 {
2510 error_rate= atoi(arg);
2511 }
2512
2513 static void opt_strict(const char *arg)
2514 {
2515 strict= atoi(arg);
2516 }
2517
2518 static void opt_top_field_first(const char *arg)
2519 {
2520 top_field_first= atoi(arg);
2521 }
2522
2523 static void opt_noise_reduction(const char *arg)
2524 {
2525 noise_reduction= atoi(arg);
2526 }
2527
2528 static void opt_qns(const char *arg)
2529 {
2530 qns= atoi(arg);
2531 }
2532
2533 static void opt_sc_threshold(const char *arg)
2534 {
2535 sc_threshold= atoi(arg);
2536 }
2537
2538 static void opt_me_range(const char *arg)
2539 {
2540 me_range = atoi(arg);
2541 }
2542
2543 static void opt_thread_count(const char *arg)
2544 {
2545 thread_count= atoi(arg);
2546 #if !defined(HAVE_PTHREADS) && !defined(HAVE_W32THREADS)
2547 if (verbose >= 0)
2548 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2549 #endif
2550 }
2551
2552 static void opt_audio_bitrate(const char *arg)
2553 {
2554 audio_bit_rate = atoi(arg) * 1000;
2555 }
2556
2557 static void opt_audio_rate(const char *arg)
2558 {
2559 audio_sample_rate = atoi(arg);
2560 }
2561
2562 static void opt_audio_channels(const char *arg)
2563 {
2564 audio_channels = atoi(arg);
2565 }
2566
2567 static void opt_video_device(const char *arg)
2568 {
2569 video_device = av_strdup(arg);
2570 }
2571
2572 static void opt_video_channel(const char *arg)
2573 {
2574 video_channel = strtol(arg, NULL, 0);
2575 }
2576
2577 static void opt_video_standard(const char *arg)
2578 {
2579 video_standard = av_strdup(arg);
2580 }
2581
2582 static void opt_audio_device(const char *arg)
2583 {
2584 audio_device = av_strdup(arg);
2585 }
2586
2587 static void opt_dv1394(const char *arg)
2588 {
2589 video_grab_format = "dv1394";
2590 audio_grab_format = NULL;
2591 }
2592
2593 static void opt_audio_codec(const char *arg)
2594 {
2595 AVCodec *p;
2596
2597 if (!strcmp(arg, "copy")) {
2598 audio_stream_copy = 1;
2599 } else {
2600 p = first_avcodec;
2601 while (p) {
2602 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
2603 break;
2604 p = p->next;
2605 }
2606 if (p == NULL) {
2607 fprintf(stderr, "Unknown audio codec '%s'\n", arg);
2608 exit(1);
2609 } else {
2610 audio_codec_id = p->id;
2611 }
2612 }
2613 }
2614
2615 static void add_frame_hooker(const char *arg)
2616 {
2617 int argc = 0;
2618 char *argv[64];
2619 int i;
2620 char *args = av_strdup(arg);
2621
2622 using_vhook = 1;
2623
2624 argv[0] = strtok(args, " ");
2625 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2626 }
2627
2628 i = frame_hook_add(argc, argv);
2629
2630 if (i != 0) {
2631 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2632 exit(1);
2633 }
2634 }
2635
2636 const char *motion_str[] = {
2637 "zero",
2638 "full",
2639 "log",
2640 "phods",
2641 "epzs",
2642 "x1",
2643 NULL,
2644 };
2645
2646 static void opt_motion_estimation(const char *arg)
2647 {
2648 const char **p;
2649 p = motion_str;
2650 for(;;) {
2651 if (!*p) {
2652 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2653 exit(1);
2654 }
2655 if (!strcmp(*p, arg))
2656 break;
2657 p++;
2658 }
2659 me_method = (p - motion_str) + 1;
2660 }
2661
2662 static void opt_video_codec(const char *arg)
2663 {
2664 AVCodec *p;
2665
2666 if (!strcmp(arg, "copy")) {
2667 video_stream_copy = 1;
2668 } else {
2669 p = first_avcodec;
2670 while (p) {
2671 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
2672 break;
2673 p = p->next;
2674 }
2675 if (p == NULL) {
2676 fprintf(stderr, "Unknown video codec '%s'\n", arg);
2677 exit(1);
2678 } else {
2679 video_codec_id = p->id;
2680 }
2681 }
2682 }
2683
2684 static void opt_map(const char *arg)
2685 {
2686 AVStreamMap *m;
2687 const char *p;
2688
2689 p = arg;
2690 m = &stream_maps[nb_stream_maps++];
2691
2692 m->file_index = strtol(arg, (char **)&p, 0);
2693 if (*p)
2694 p++;
2695
2696 m->stream_index = strtol(p, (char **)&p, 0);
2697 }
2698
2699 static void opt_map_meta_data(const char *arg)
2700 {
2701 AVMetaDataMap *m;
2702 const char *p;
2703
2704 p = arg;
2705 m = &meta_data_maps[nb_meta_data_maps++];
2706
2707 m->out_file = strtol(arg, (char **)&p, 0);
2708 if (*p)
2709 p++;
2710
2711 m->in_file = strtol(p, (char **)&p, 0);
2712 }
2713
2714 static void opt_recording_time(const char *arg)
2715 {
2716 recording_time = parse_date(arg, 1);
2717 }
2718
2719 static void opt_start_time(const char *arg)
2720 {
2721 start_time = parse_date(arg, 1);
2722 }
2723
2724 static void opt_rec_timestamp(const char *arg)
2725 {
2726 rec_timestamp = parse_date(arg, 0) / 1000000;
2727 }
2728
2729 static void opt_input_ts_offset(const char *arg)
2730 {
2731 input_ts_offset = parse_date(arg, 1);
2732 }
2733
2734 static void opt_input_file(const char *filename)
2735 {
2736 AVFormatContext *ic;
2737 AVFormatParameters params, *ap = &params;
2738 int err, i, ret, rfps, rfps_base;
2739 int64_t timestamp;
2740
2741 if (!strcmp(filename, "-"))
2742 filename = "pipe:";
2743
2744 using_stdin |= !strcmp(filename, "pipe:" ) ||
2745 !strcmp( filename, "/dev/stdin" );
2746
2747 /* get default parameters from command line */
2748 memset(ap, 0, sizeof(*ap));
2749 ap->sample_rate = audio_sample_rate;
2750 ap->channels = audio_channels;
2751 ap->frame_rate = frame_rate;
2752 ap->frame_rate_base = frame_rate_base;
2753 ap->width = frame_width + frame_padleft + frame_padright;
2754 ap->height = frame_height + frame_padtop + frame_padbottom;
2755 ap->image_format = image_format;
2756 ap->pix_fmt = frame_pix_fmt;
2757
2758 /* open the input file with generic libav function */
2759 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2760 if (err < 0) {
2761 print_error(filename, err);
2762 exit(1);
2763 }
2764
2765 /* If not enough info to get the stream parameters, we decode the
2766 first frames to get it. (used in mpeg case for example) */
2767 ret = av_find_stream_info(ic);
2768 if (ret < 0 && verbose >= 0) {
2769 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2770 exit(1);
2771 }
2772
2773 timestamp = start_time;
2774 /* add the stream start time */
2775 if (ic->start_time != AV_NOPTS_VALUE)
2776 timestamp += ic->start_time;
2777
2778 /* if seeking requested, we execute it */
2779 if (start_time != 0) {
2780 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2781 if (ret < 0) {
2782 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2783 filename, (double)timestamp / AV_TIME_BASE);
2784 }
2785 /* reset seek info */
2786 start_time = 0;
2787 }
2788
2789 /* update the current parameters so that they match the one of the input stream */
2790 for(i=0;i<ic->nb_streams;i++) {
2791 AVCodecContext *enc = &ic->streams[i]->codec;
2792 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
2793 if(thread_count>1)
2794 avcodec_thread_init(enc, thread_count);
2795 #endif
2796 enc->thread_count= thread_count;
2797 switch(enc->codec_type) {
2798 case CODEC_TYPE_AUDIO:
2799 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2800 audio_channels = enc->channels;
2801 audio_sample_rate = enc->sample_rate;
2802 break;
2803 case CODEC_TYPE_VIDEO:
2804 frame_height = enc->height;
2805 frame_width = enc->width;
2806 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2807 frame_pix_fmt = enc->pix_fmt;
2808 rfps = ic->streams[i]->r_frame_rate;
2809 rfps_base = ic->streams[i]->r_frame_rate_base;
2810 enc->workaround_bugs = workaround_bugs;
2811 enc->error_resilience = error_resilience;
2812 enc->error_concealment = error_concealment;
2813 enc->idct_algo = idct_algo;
2814 enc->debug = debug;
2815 enc->debug_mv = debug_mv;
2816 enc->lowres= lowres;
2817 if(bitexact)
2818 enc->flags|= CODEC_FLAG_BITEXACT;
2819 if(me_threshold)
2820 enc->debug |= FF_DEBUG_MV;
2821
2822 assert(enc->frame_rate_base == rfps_base); // should be true for now
2823 if (enc->frame_rate != rfps) {
2824
2825 if (verbose >= 0)
2826 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n",
2827 i, (float)enc->frame_rate / enc->frame_rate_base,
2828
2829 (float)rfps / rfps_base);
2830 }
2831 /* update the current frame rate to match the stream frame rate */
2832 frame_rate = rfps;
2833 frame_rate_base = rfps_base;
2834
2835 enc->rate_emu = rate_emu;
2836 break;
2837 case CODEC_TYPE_DATA:
2838 break;
2839 default:
2840 av_abort();
2841 }
2842 }
2843
2844 input_files[nb_input_files] = ic;
2845 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2846 /* dump the file content */
2847 if (verbose >= 0)
2848 dump_format(ic, nb_input_files, filename, 0);
2849
2850 nb_input_files++;
2851 file_iformat = NULL;
2852 file_oformat = NULL;
2853 image_format = NULL;
2854
2855 rate_emu = 0;
2856 }
2857
2858 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2859 {
2860 int has_video, has_audio, i, j;
2861 AVFormatContext *ic;
2862
2863 has_video = 0;
2864 has_audio = 0;
2865 for(j=0;j<nb_input_files;j++) {
2866 ic = input_files[j];
2867 for(i=0;i<ic->nb_streams;i++) {
2868 AVCodecContext *enc = &ic->streams[i]->codec;
2869 switch(enc->codec_type) {
2870 case CODEC_TYPE_AUDIO:
2871 has_audio = 1;
2872 break;
2873 case CODEC_TYPE_VIDEO:
2874 has_video = 1;
2875 break;
2876 case CODEC_TYPE_DATA:
2877 break;
2878 default:
2879 av_abort();
2880 }
2881 }
2882 }
2883 *has_video_ptr = has_video;
2884 *has_audio_ptr = has_audio;
2885 }
2886
2887 static void opt_output_file(const char *filename)
2888 {
2889 AVStream *st;
2890 AVFormatContext *oc;
2891 int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
2892 int codec_id;
2893 AVFormatParameters params, *ap = &params;
2894
2895 if (!strcmp(filename, "-"))
2896 filename = "pipe:";
2897
2898 oc = av_alloc_format_context();
2899
2900 if (!file_oformat) {
2901 file_oformat = guess_format(NULL, filename, NULL);
2902 if (!file_oformat) {
2903 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
2904 filename);
2905 exit(1);
2906 }
2907 }
2908
2909 oc->oformat = file_oformat;
2910
2911 if (!strcmp(file_oformat->name, "ffm") &&
2912 strstart(filename, "http:", NULL)) {
2913 /* special case for files sent to ffserver: we get the stream
2914 parameters from ffserver */
2915 if (read_ffserver_streams(oc, filename) < 0) {
2916 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
2917 exit(1);
2918 }
2919 } else {
2920 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy;
2921 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy;
2922
2923 /* disable if no corresponding type found and at least one
2924 input file */
2925 if (nb_input_files > 0) {
2926 check_audio_video_inputs(&input_has_video, &input_has_audio);
2927 if (!input_has_video)
2928 use_video = 0;
2929 if (!input_has_audio)
2930 use_audio = 0;
2931 }
2932
2933 /* manual disable */
2934 if (audio_disable) {
2935 use_audio = 0;
2936 }
2937 if (video_disable) {
2938 use_video = 0;
2939 }
2940
2941 nb_streams = 0;
2942 if (use_video) {
2943 AVCodecContext *video_enc;
2944
2945 st = av_new_stream(oc, nb_streams++);
2946 if (!st) {
2947 fprintf(stderr, "Could not alloc stream\n");
2948 exit(1);
2949 }
2950 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
2951 if(thread_count>1)
2952 avcodec_thread_init(&st->codec, thread_count);
2953 #endif
2954
2955 video_enc = &st->codec;
2956
2957 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
2958 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2959 if (video_stream_copy) {
2960 st->stream_copy = 1;
2961 video_enc->codec_type = CODEC_TYPE_VIDEO;
2962 } else {
2963 char *p;
2964 int i;
2965 AVCodec *codec;
2966
2967 codec_id = file_oformat->video_codec;
2968 if (video_codec_id != CODEC_ID_NONE)
2969 codec_id = video_codec_id;
2970
2971 video_enc->codec_id = codec_id;
2972 codec = avcodec_find_encoder(codec_id);
2973
2974 video_enc->bit_rate = video_bit_rate;
2975 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
2976 video_enc->frame_rate = frame_rate;
2977 video_enc->frame_rate_base = frame_rate_base;
2978 if(codec && codec->supported_framerates){
2979 const AVRational *p= codec->supported_framerates;
2980 AVRational req= (AVRational){frame_rate, frame_rate_base};
2981 const AVRational *best=NULL;
2982 AVRational best_error= (AVRational){INT_MAX, 1};
2983 for(; p->den!=0; p++){
2984 AVRational error= av_sub_q(req, *p);
2985 if(error.num <0) error.num *= -1;
2986 if(av_cmp_q(error, best_error) < 0){
2987 best_error= error;
2988 best= p;
2989 }
2990 }
2991 video_enc->frame_rate = best->num;
2992 video_enc->frame_rate_base= best->den;
2993 }
2994
2995 video_enc->width = frame_width + frame_padright + frame_padleft;
2996 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2997 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
2998 video_enc->pix_fmt = frame_pix_fmt;
2999
3000 if(codec && codec->pix_fmts){
3001 const enum PixelFormat *p= codec->pix_fmts;
3002 for(; *p!=-1; p++){
3003 if(*p == video_enc->pix_fmt)
3004 break;
3005 }
3006 if(*p == -1)
3007 video_enc->pix_fmt = codec->pix_fmts[0];
3008 }
3009
3010 if (!intra_only)
3011 video_enc->gop_size = gop_size;
3012 else
3013 video_enc->gop_size = 0;
3014 if (video_qscale || same_quality) {
3015 video_enc->flags |= CODEC_FLAG_QSCALE;
3016 st->quality = FF_QP2LAMBDA * video_qscale;
3017 }
3018
3019 if(intra_matrix)
3020 video_enc->intra_matrix = intra_matrix;
3021 if(inter_matrix)
3022 video_enc->inter_matrix = inter_matrix;
3023
3024 if(bitexact)
3025 video_enc->flags |= CODEC_FLAG_BITEXACT;
3026
3027 video_enc->mb_decision = mb_decision;
3028 video_enc->mb_cmp = mb_cmp;
3029 video_enc->ildct_cmp = ildct_cmp;
3030 video_enc->me_sub_cmp = sub_cmp;
3031 video_enc->me_cmp = cmp;
3032 video_enc->me_pre_cmp = pre_cmp;
3033 video_enc->pre_me = pre_me;
3034 video_enc->lumi_masking = lumi_mask;
3035 video_enc->dark_masking = dark_mask;
3036 video_enc->spatial_cplx_masking = scplx_mask;
3037 video_enc->temporal_cplx_masking = tcplx_mask;
3038 video_enc->p_masking = p_mask;
3039 video_enc->quantizer_noise_shaping= qns;
3040
3041 if (use_umv) {
3042 video_enc->flags |= CODEC_FLAG_H263P_UMV;
3043 }
3044 if (use_ss) {
3045 video_enc->flags |= CODEC_FLAG_H263P_SLICE_STRUCT;
3046 }
3047 if (use_aic) {
3048 video_enc->flags |= CODEC_FLAG_H263P_AIC;
3049 }
3050 if (use_aiv) {
3051 video_enc->flags |= CODEC_FLAG_H263P_AIV;
3052 }
3053 if (use_4mv) {
3054 video_enc->flags |= CODEC_FLAG_4MV;
3055 }
3056 if (use_obmc) {
3057 video_enc->flags |= CODEC_FLAG_OBMC;
3058 }
3059 if (use_loop) {
3060 video_enc->flags |= CODEC_FLAG_LOOP_FILTER;
3061 }
3062
3063 if(use_part) {
3064 video_enc->flags |= CODEC_FLAG_PART;
3065 }
3066 if (use_alt_scan) {
3067 video_enc->flags |= CODEC_FLAG_ALT_SCAN;
3068 }
3069 if (use_trell) {
3070 video_enc->flags |= CODEC_FLAG_TRELLIS_QUANT;
3071 }
3072 if (use_scan_offset) {
3073 video_enc->flags |= CODEC_FLAG_SVCD_SCAN_OFFSET;
3074 }
3075 if (closed_gop) {
3076 video_enc->flags |= CODEC_FLAG_CLOSED_GOP;
3077 }
3078 if (use_qpel) {
3079 video_enc->flags |= CODEC_FLAG_QPEL;
3080 }
3081 if (use_qprd) {
3082 video_enc->flags |= CODEC_FLAG_QP_RD;
3083 }
3084 if (use_cbprd) {
3085 video_enc->flags |= CODEC_FLAG_CBP_RD;
3086 }
3087 if (b_frames) {
3088 video_enc->max_b_frames = b_frames;
3089 video_enc->b_frame_strategy = 0;
3090 video_enc->b_quant_factor = 2.0;
3091 }
3092 if (do_interlace_dct) {
3093 video_enc->flags |= CODEC_FLAG_INTERLACED_DCT;
3094 }
3095 if (do_interlace_me) {
3096 video_enc->flags |= CODEC_FLAG_INTERLACED_ME;
3097 }
3098 video_enc->qmin = video_qmin;
3099 video_enc->qmax = video_qmax;
3100 video_enc->lmin = video_lmin;
3101 video_enc->lmax = video_lmax;
3102 video_enc->mb_qmin = video_mb_qmin;
3103 video_enc->mb_qmax = video_mb_qmax;
3104 video_enc->max_qdiff = video_qdiff;
3105 video_enc->qblur = video_qblur;
3106 video_enc->qcompress = video_qcomp;
3107 video_enc->rc_eq = video_rc_eq;
3108 video_enc->debug = debug;
3109 video_enc->debug_mv = debug_mv;
3110 video_enc->thread_count = thread_count;
3111 p= video_rc_override_string;
3112 for(i=0; p; i++){
3113 int start, end, q;
3114 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3115 if(e!=3){
3116 fprintf(stderr, "error parsing rc_override\n");
3117 exit(1);
3118 }
3119 video_enc->rc_override=
3120 av_realloc(video_enc->rc_override,
3121 sizeof(RcOverride)*(i+1));
3122 video_enc->rc_override[i].start_frame= start;
3123 video_enc->rc_override[i].end_frame = end;
3124 if(q>0){
3125 video_enc->rc_override[i].qscale= q;
3126 video_enc->rc_override[i].quality_factor= 1.0;
3127 }
3128 else{
3129 video_enc->rc_override[i].qscale= 0;
3130 video_enc->rc_override[i].quality_factor= -q/100.0;
3131 }
3132 p= strchr(p, '/');
3133 if(p) p++;
3134 }
3135 video_enc->rc_override_count=i;
3136
3137 video_enc->rc_max_rate = video_rc_max_rate;
3138 video_enc->rc_min_rate = video_rc_min_rate;
3139 video_enc->rc_buffer_size = video_rc_buffer_size;
3140 video_enc->rc_initial_buffer_occupancy = video_rc_buffer_size*3/4;
3141 video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
3142 video_enc->rc_initial_cplx= video_rc_initial_cplx;
3143 video_enc->i_quant_factor = video_i_qfactor;
3144 video_enc->b_quant_factor = video_b_qfactor;
3145 video_enc->i_quant_offset = video_i_qoffset;
3146 video_enc->b_quant_offset = video_b_qoffset;
3147 video_enc->intra_quant_bias = video_intra_quant_bias;
3148 video_enc->inter_quant_bias = video_inter_quant_bias;
3149 video_enc->dct_algo = dct_algo;
3150 video_enc->idct_algo = idct_algo;
3151 video_enc->me_threshold= me_threshold;
3152 video_enc->mb_threshold= mb_threshold;
3153 video_enc->intra_dc_precision= intra_dc_precision - 8;
3154 video_enc->strict_std_compliance = strict;
3155 video_enc->error_rate = error_rate;
3156 video_enc->noise_reduction= noise_reduction;
3157 video_enc->scenechange_threshold= sc_threshold;
3158 video_enc->me_range = me_range;
3159 video_enc->coder_type= coder;
3160 video_enc->context_model= context;
3161 video_enc->prediction_method= predictor;
3162 video_enc->profile= video_profile;
3163 video_enc->level= video_level;
3164 video_enc->nsse_weight= nsse_weight;
3165 video_enc->me_subpel_quality= subpel_quality;
3166
3167 if(packet_size){
3168 video_enc->rtp_mode= 1;
3169 video_enc->rtp_payload_size= packet_size;
3170 }
3171
3172 if (do_psnr)
3173 video_enc->flags|= CODEC_FLAG_PSNR;
3174
3175 video_enc->me_method = me_method;
3176
3177 /* two pass mode */
3178 if (do_pass) {
3179 if (do_pass == 1) {
3180 video_enc->flags |= CODEC_FLAG_PASS1;
3181 } else {
3182 video_enc->flags |= CODEC_FLAG_PASS2;
3183 }
3184 }
3185 }
3186 }
3187
3188 if (use_audio) {
3189 AVCodecContext *audio_enc;
3190
3191 st = av_new_stream(oc, nb_streams++);
3192 if (!st) {
3193 fprintf(stderr, "Could not alloc stream\n");
3194 exit(1);
3195 }
3196 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
3197 if(thread_count>1)
3198 avcodec_thread_init(&st->codec, thread_count);
3199 #endif
3200
3201 audio_enc = &st->codec;
3202 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3203
3204 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
3205 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3206 if (audio_stream_copy) {
3207 st->stream_copy = 1;
3208 audio_enc->channels = audio_channels;
3209 } else {
3210 codec_id = file_oformat->audio_codec;
3211 if (audio_codec_id != CODEC_ID_NONE)
3212 codec_id = audio_codec_id;
3213 audio_enc->codec_id = codec_id;
3214
3215 audio_enc->bit_rate = audio_bit_rate;
3216 audio_enc->strict_std_compliance = strict;
3217 audio_enc->thread_count = thread_count;
3218 /* For audio codecs other than AC3 or DTS we limit */
3219 /* the number of coded channels to stereo */
3220 if (audio_channels > 2 && codec_id != CODEC_ID_AC3
3221 && codec_id != CODEC_ID_DTS) {
3222 audio_enc->channels = 2;
3223 } else
3224 audio_enc->channels = audio_channels;
3225 }
3226 audio_enc->sample_rate = audio_sample_rate;
3227 }
3228
3229 oc->nb_streams = nb_streams;
3230
3231 if (!nb_streams) {
3232 fprintf(stderr, "No audio or video streams available\n");
3233 exit(1);
3234 }
3235
3236 oc->timestamp = rec_timestamp;
3237
3238 if (str_title)
3239 pstrcpy(oc->title, sizeof(oc->title), str_title);
3240 if (str_author)
3241 pstrcpy(oc->author, sizeof(oc->author), str_author);
3242 if (str_copyright)
3243 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
3244 if (str_comment)
3245 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
3246 }
3247
3248 output_files[nb_output_files++] = oc;
3249
3250 strcpy(oc->filename, filename);
3251
3252 /* check filename in case of an image number is expected */
3253 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3254 if (filename_number_test(oc->filename) < 0) {
3255 print_error(oc->filename, AVERROR_NUMEXPECTED);
3256 exit(1);
3257 }
3258 }
3259
3260 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3261 /* test if it already exists to avoid loosing precious files */
3262 if (!file_overwrite &&
3263 (strchr(filename, ':') == NULL ||
3264 strstart(filename, "file:", NULL))) {
3265 if (url_exist(filename)) {
3266 int c;
3267
3268 if ( !using_stdin ) {
3269 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3270 fflush(stderr);
3271 c = getchar();
3272 if (toupper(c) != 'Y') {
3273 fprintf(stderr, "Not overwriting - exiting\n");
3274 exit(1);
3275 }
3276 }
3277 else {
3278 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3279 exit(1);
3280 }
3281 }
3282 }
3283
3284 /* open the file */
3285 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3286 fprintf(stderr, "Could not open '%s'\n", filename);
3287 exit(1);
3288 }
3289 }
3290
3291 memset(ap, 0, sizeof(*ap));
3292 ap->image_format = image_format;
3293 if (av_set_parameters(oc, ap) < 0) {
3294 fprintf(stderr, "%s: Invalid encoding parameters\n",
3295 oc->filename);
3296 exit(1);
3297 }
3298
3299 oc->packet_size= mux_packet_size;
3300 oc->mux_rate= mux_rate;
3301
3302 /* reset some options */
3303 file_oformat = NULL;
3304 file_iformat = NULL;
3305 image_format = NULL;
3306 audio_disable = 0;
3307 video_disable = 0;
3308 audio_codec_id = CODEC_ID_NONE;
3309 video_codec_id = CODEC_ID_NONE;
3310 audio_stream_copy = 0;
3311 video_stream_copy = 0;
3312 }
3313
3314 /* prepare dummy protocols for grab */
3315 static void prepare_grab(void)
3316 {
3317 int has_video, has_audio, i, j;
3318 AVFormatContext *oc;
3319 AVFormatContext *ic;
3320 AVFormatParameters vp1