add static keyword to some functions
[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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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 #include "opt.h"
25
26 #ifndef CONFIG_WIN32
27 #include <unistd.h>
28 #include <fcntl.h>
29 #include <sys/ioctl.h>
30 #include <sys/time.h>
31 #include <termios.h>
32 #include <sys/resource.h>
33 #include <signal.h>
34 #endif
35 #ifdef CONFIG_OS2
36 #include <sys/types.h>
37 #include <sys/select.h>
38 #include <stdlib.h>
39 #endif
40 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
41 #include <time.h>
42
43 #include "cmdutils.h"
44
45 #undef NDEBUG
46 #include <assert.h>
47
48 #if !defined(INFINITY) && defined(HUGE_VAL)
49 #define INFINITY HUGE_VAL
50 #endif
51
52 /* select an input stream for an output stream */
53 typedef struct AVStreamMap {
54 int file_index;
55 int stream_index;
56 int sync_file_index;
57 int sync_stream_index;
58 } AVStreamMap;
59
60 /** select an input file for an output file */
61 typedef struct AVMetaDataMap {
62 int out_file;
63 int in_file;
64 } AVMetaDataMap;
65
66 extern const OptionDef options[];
67
68 static void show_help(void);
69 static void show_license(void);
70 static int opt_default(const char *opt, const char *arg);
71
72 #define MAX_FILES 20
73
74 static AVFormatContext *input_files[MAX_FILES];
75 static int64_t input_files_ts_offset[MAX_FILES];
76 static int nb_input_files = 0;
77
78 static AVFormatContext *output_files[MAX_FILES];
79 static int nb_output_files = 0;
80
81 static AVStreamMap stream_maps[MAX_FILES];
82 static int nb_stream_maps;
83
84 static AVMetaDataMap meta_data_maps[MAX_FILES];
85 static int nb_meta_data_maps;
86
87 static AVInputFormat *file_iformat;
88 static AVOutputFormat *file_oformat;
89 static AVImageFormat *image_format;
90 static int frame_width = 0;
91 static int frame_height = 0;
92 static float frame_aspect_ratio = 0;
93 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
94 static int frame_padtop = 0;
95 static int frame_padbottom = 0;
96 static int frame_padleft = 0;
97 static int frame_padright = 0;
98 static int padcolor[3] = {16,128,128}; /* default to black */
99 static int frame_topBand = 0;
100 static int frame_bottomBand = 0;
101 static int frame_leftBand = 0;
102 static int frame_rightBand = 0;
103 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
104 static int frame_rate = 25;
105 static int frame_rate_base = 1;
106 static int video_bit_rate = 200*1000;
107 static int video_bit_rate_tolerance = 4000*1000;
108 static float video_qscale = 0;
109 static int video_qmin = 2;
110 static int video_qmax = 31;
111 static int video_lmin = 2*FF_QP2LAMBDA;
112 static int video_lmax = 31*FF_QP2LAMBDA;
113 static int video_mb_lmin = 2*FF_QP2LAMBDA;
114 static int video_mb_lmax = 31*FF_QP2LAMBDA;
115 static int video_qdiff = 3;
116 static float video_qblur = 0.5;
117 static float video_qsquish = 0.0;
118 static float video_qcomp = 0.5;
119 static uint16_t *intra_matrix = NULL;
120 static uint16_t *inter_matrix = NULL;
121 #if 0 //experimental, (can be removed)
122 static float video_rc_qsquish=1.0;
123 static float video_rc_qmod_amp=0;
124 static int video_rc_qmod_freq=0;
125 #endif
126 static char *video_rc_override_string=NULL;
127 static char *video_rc_eq="tex^qComp";
128 static int video_rc_buffer_size=0;
129 static float video_rc_buffer_aggressivity=1.0;
130 static int video_rc_max_rate=0;
131 static int video_rc_min_rate=0;
132 static float video_rc_initial_cplx=0;
133 static float video_b_qfactor = 1.25;
134 static float video_b_qoffset = 1.25;
135 static float video_i_qfactor = -0.8;
136 static float video_i_qoffset = 0.0;
137 static int video_intra_quant_bias= FF_DEFAULT_QUANT_BIAS;
138 static int video_inter_quant_bias= FF_DEFAULT_QUANT_BIAS;
139 static int me_method = ME_EPZS;
140 static int video_disable = 0;
141 static int video_discard = 0;
142 static int video_codec_id = CODEC_ID_NONE;
143 static int video_codec_tag = 0;
144 static int same_quality = 0;
145 static int b_frames = 0;
146 static int pre_me = 0;
147 static int do_deinterlace = 0;
148 static int workaround_bugs = FF_BUG_AUTODETECT;
149 static int packet_size = 0;
150 static int error_rate = 0;
151 static int strict = 0;
152 static int top_field_first = -1;
153 static int sc_threshold = 0;
154 static int me_threshold = 0;
155 static int mb_threshold = 0;
156 static int intra_dc_precision = 8;
157 static int me_penalty_compensation= 256;
158 static int frame_skip_threshold= 0;
159 static int frame_skip_factor= 0;
160 static int frame_skip_exp= 0;
161 extern int loop_input; /* currently a hack */
162 static int loop_output = AVFMT_NOOUTPUTLOOP;
163 static int genpts = 0;
164 static int qp_hist = 0;
165
166 static int gop_size = 12;
167 static int intra_only = 0;
168 static int audio_sample_rate = 44100;
169 static int audio_bit_rate = 64000;
170 #define QSCALE_NONE -99999
171 static float audio_qscale = QSCALE_NONE;
172 static int audio_disable = 0;
173 static int audio_channels = 1;
174 static int audio_codec_id = CODEC_ID_NONE;
175 static int audio_codec_tag = 0;
176 static char *audio_language = NULL;
177
178 static int subtitle_codec_id = CODEC_ID_NONE;
179 static char *subtitle_language = NULL;
180
181 static int mux_rate= 0;
182 static int mux_packet_size= 0;
183 static float mux_preload= 0.5;
184 static float mux_max_delay= 0.7;
185
186 static int64_t recording_time = 0;
187 static int64_t start_time = 0;
188 static int64_t rec_timestamp = 0;
189 static int64_t input_ts_offset = 0;
190 static int file_overwrite = 0;
191 static char *str_title = NULL;
192 static char *str_author = NULL;
193 static char *str_copyright = NULL;
194 static char *str_comment = NULL;
195 static int do_benchmark = 0;
196 static int do_hex_dump = 0;
197 static int do_pkt_dump = 0;
198 static int do_psnr = 0;
199 static int do_vstats = 0;
200 static int do_pass = 0;
201 static char *pass_logfilename = NULL;
202 static int audio_stream_copy = 0;
203 static int video_stream_copy = 0;
204 static int subtitle_stream_copy = 0;
205 static int video_sync_method= 1;
206 static int audio_sync_method= 0;
207 static int copy_ts= 0;
208 static int opt_shortest = 0; //
209 static int video_global_header = 0;
210
211 static int rate_emu = 0;
212
213 #ifdef CONFIG_BKTR
214 static char *video_grab_format = "bktr";
215 #else
216 static char *video_grab_format = "video4linux";
217 #endif
218 static char *video_device = NULL;
219 static char *grab_device = NULL;
220 static int video_channel = 0;
221 static char *video_standard = "ntsc";
222
223 static char *audio_grab_format = "audio_device";
224 static char *audio_device = NULL;
225 static int audio_volume = 256;
226
227 static int using_stdin = 0;
228 static int using_vhook = 0;
229 static int verbose = 1;
230 static int thread_count= 1;
231 static int q_pressed = 0;
232 static int me_range = 0;
233 static int64_t video_size = 0;
234 static int64_t audio_size = 0;
235 static int64_t extra_size = 0;
236 static int nb_frames_dup = 0;
237 static int nb_frames_drop = 0;
238 static int input_sync;
239 static int limit_filesize = 0; //
240
241 static int pgmyuv_compatibility_hack=0;
242
243 const char **opt_names=NULL;
244 int opt_name_count=0;
245 AVCodecContext *avctx_opts;
246
247
248 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
249
250 struct AVInputStream;
251
252 typedef struct AVOutputStream {
253 int file_index; /* file index */
254 int index; /* stream index in the output file */
255 int source_index; /* AVInputStream index */
256 AVStream *st; /* stream in the output file */
257 int encoding_needed; /* true if encoding needed for this stream */
258 int frame_number;
259 /* input pts and corresponding output pts
260 for A/V sync */
261 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
262 struct AVInputStream *sync_ist; /* input stream to sync against */
263 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
264 /* video only */
265 int video_resample; /* video_resample and video_crop are mutually exclusive */
266 AVFrame pict_tmp; /* temporary image for resampling */
267 ImgReSampleContext *img_resample_ctx; /* for image resampling */
268
269 int video_crop; /* video_resample and video_crop are mutually exclusive */
270 int topBand; /* cropping area sizes */
271 int leftBand;
272
273 int video_pad; /* video_resample and video_pad are mutually exclusive */
274 int padtop; /* padding area sizes */
275 int padbottom;
276 int padleft;
277 int padright;
278
279 /* audio only */
280 int audio_resample;
281 ReSampleContext *resample; /* for audio resampling */
282 FifoBuffer fifo; /* for compression: one audio fifo per codec */
283 FILE *logfile;
284 } AVOutputStream;
285
286 typedef struct AVInputStream {
287 int file_index;
288 int index;
289 AVStream *st;
290 int discard; /* true if stream data should be discarded */
291 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
292 int64_t sample_index; /* current sample */
293
294 int64_t start; /* time when read started */
295 unsigned long frame; /* current frame */
296 int64_t next_pts; /* synthetic pts for cases where pkt.pts
297 is not defined */
298 int64_t pts; /* current pts */
299 int is_start; /* is 1 at the start and after a discontinuity */
300 } AVInputStream;
301
302 typedef struct AVInputFile {
303 int eof_reached; /* true if eof reached */
304 int ist_index; /* index of first stream in ist_table */
305 int buffer_size; /* current total buffer size */
306 int buffer_size_max; /* buffer size at which we consider we can stop
307 buffering */
308 int nb_streams; /* nb streams we are aware of */
309 } AVInputFile;
310
311 #ifndef CONFIG_WIN32
312
313 /* init terminal so that we can grab keys */
314 static struct termios oldtty;
315
316 static void term_exit(void)
317 {
318 tcsetattr (0, TCSANOW, &oldtty);
319 }
320
321 static volatile sig_atomic_t received_sigterm = 0;
322
323 static void
324 sigterm_handler(int sig)
325 {
326 received_sigterm = sig;
327 term_exit();
328 }
329
330 static void term_init(void)
331 {
332 struct termios tty;
333
334 tcgetattr (0, &tty);
335 oldtty = tty;
336
337 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
338 |INLCR|IGNCR|ICRNL|IXON);
339 tty.c_oflag |= OPOST;
340 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
341 tty.c_cflag &= ~(CSIZE|PARENB);
342 tty.c_cflag |= CS8;
343 tty.c_cc[VMIN] = 1;
344 tty.c_cc[VTIME] = 0;
345
346 tcsetattr (0, TCSANOW, &tty);
347
348 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
349 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
350 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
351 /*
352 register a function to be called at normal program termination
353 */
354 atexit(term_exit);
355 #ifdef CONFIG_BEOS_NETSERVER
356 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
357 #endif
358 }
359
360 /* read a key without blocking */
361 static int read_key(void)
362 {
363 int n = 1;
364 unsigned char ch;
365 #ifndef CONFIG_BEOS_NETSERVER
366 struct timeval tv;
367 fd_set rfds;
368
369 FD_ZERO(&rfds);
370 FD_SET(0, &rfds);
371 tv.tv_sec = 0;
372 tv.tv_usec = 0;
373 n = select(1, &rfds, NULL, NULL, &tv);
374 #endif
375 if (n > 0) {
376 n = read(0, &ch, 1);
377 if (n == 1)
378 return ch;
379
380 return n;
381 }
382 return -1;
383 }
384
385 static int decode_interrupt_cb(void)
386 {
387 return q_pressed || (q_pressed = read_key() == 'q');
388 }
389
390 #else
391
392 static volatile int received_sigterm = 0;
393
394 /* no interactive support */
395 static void term_exit(void)
396 {
397 }
398
399 static void term_init(void)
400 {
401 }
402
403 static int read_key(void)
404 {
405 return 0;
406 }
407
408 #endif
409
410 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
411 {
412 int i, err;
413 AVFormatContext *ic;
414
415 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
416 if (err < 0)
417 return err;
418 /* copy stream format */
419 s->nb_streams = ic->nb_streams;
420 for(i=0;i<ic->nb_streams;i++) {
421 AVStream *st;
422
423 // FIXME: a more elegant solution is needed
424 st = av_mallocz(sizeof(AVStream));
425 memcpy(st, ic->streams[i], sizeof(AVStream));
426 st->codec = avcodec_alloc_context();
427 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
428 s->streams[i] = st;
429 }
430
431 av_close_input_file(ic);
432 return 0;
433 }
434
435 static double
436 get_sync_ipts(const AVOutputStream *ost)
437 {
438 const AVInputStream *ist = ost->sync_ist;
439 return (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/AV_TIME_BASE;
440 }
441
442 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
443
444 static void do_audio_out(AVFormatContext *s,
445 AVOutputStream *ost,
446 AVInputStream *ist,
447 unsigned char *buf, int size)
448 {
449 uint8_t *buftmp;
450 static uint8_t *audio_buf = NULL;
451 static uint8_t *audio_out = NULL;
452 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
453
454 int size_out, frame_bytes, ret;
455 AVCodecContext *enc= ost->st->codec;
456
457 /* SC: dynamic allocation of buffers */
458 if (!audio_buf)
459 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
460 if (!audio_out)
461 audio_out = av_malloc(audio_out_size);
462 if (!audio_buf || !audio_out)
463 return; /* Should signal an error ! */
464
465 if(audio_sync_method){
466 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
467 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec->channels * 2);
468 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
469 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
470
471 //FIXME resample delay
472 if(fabs(delta) > 50){
473 if(ist->is_start){
474 if(byte_delta < 0){
475 byte_delta= FFMAX(byte_delta, -size);
476 size += byte_delta;
477 buf -= byte_delta;
478 if(verbose > 2)
479 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
480 if(!size)
481 return;
482 ist->is_start=0;
483 }else{
484 static uint8_t *input_tmp= NULL;
485 input_tmp= av_realloc(input_tmp, byte_delta + size);
486
487 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
488 ist->is_start=0;
489 else
490 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
491
492 memset(input_tmp, 0, byte_delta);
493 memcpy(input_tmp + byte_delta, buf, size);
494 buf= input_tmp;
495 size += byte_delta;
496 if(verbose > 2)
497 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
498 }
499 }else if(audio_sync_method>1){
500 int comp= clip(delta, -audio_sync_method, audio_sync_method);
501 assert(ost->audio_resample);
502 if(verbose > 2)
503 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
504 // fprintf(stderr, "drift:%f len:%d opts:%lld ipts:%lld fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec->channels * 2));
505 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
506 }
507 }
508 }else
509 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
510 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec->channels * 2); //FIXME wrong
511
512 if (ost->audio_resample) {
513 buftmp = audio_buf;
514 size_out = audio_resample(ost->resample,
515 (short *)buftmp, (short *)buf,
516 size / (ist->st->codec->channels * 2));
517 size_out = size_out * enc->channels * 2;
518 } else {
519 buftmp = buf;
520 size_out = size;
521 }
522
523 /* now encode as many frames as possible */
524 if (enc->frame_size > 1) {
525 /* output resampled raw samples */
526 fifo_write(&ost->fifo, buftmp, size_out,
527 &ost->fifo.wptr);
528
529 frame_bytes = enc->frame_size * 2 * enc->channels;
530
531 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
532 &ost->fifo.rptr) == 0) {
533 AVPacket pkt;
534 av_init_packet(&pkt);
535
536 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
537 (short *)audio_buf);
538 audio_size += ret;
539 pkt.stream_index= ost->index;
540 pkt.data= audio_out;
541 pkt.size= ret;
542 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
543 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
544 pkt.flags |= PKT_FLAG_KEY;
545 av_interleaved_write_frame(s, &pkt);
546
547 ost->sync_opts += enc->frame_size;
548 }
549 } else {
550 AVPacket pkt;
551 av_init_packet(&pkt);
552
553 ost->sync_opts += size_out / (2 * enc->channels);
554
555 /* output a pcm frame */
556 /* XXX: change encoding codec API to avoid this ? */
557 switch(enc->codec->id) {
558 case CODEC_ID_PCM_S32LE:
559 case CODEC_ID_PCM_S32BE:
560 case CODEC_ID_PCM_U32LE:
561 case CODEC_ID_PCM_U32BE:
562 size_out = size_out << 1;
563 break;
564 case CODEC_ID_PCM_S24LE:
565 case CODEC_ID_PCM_S24BE:
566 case CODEC_ID_PCM_U24LE:
567 case CODEC_ID_PCM_U24BE:
568 case CODEC_ID_PCM_S24DAUD:
569 size_out = size_out / 2 * 3;
570 break;
571 case CODEC_ID_PCM_S16LE:
572 case CODEC_ID_PCM_S16BE:
573 case CODEC_ID_PCM_U16LE:
574 case CODEC_ID_PCM_U16BE:
575 break;
576 default:
577 size_out = size_out >> 1;
578 break;
579 }
580 ret = avcodec_encode_audio(enc, audio_out, size_out,
581 (short *)buftmp);
582 audio_size += ret;
583 pkt.stream_index= ost->index;
584 pkt.data= audio_out;
585 pkt.size= ret;
586 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
587 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
588 pkt.flags |= PKT_FLAG_KEY;
589 av_interleaved_write_frame(s, &pkt);
590 }
591 }
592
593 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
594 {
595 AVCodecContext *dec;
596 AVPicture *picture2;
597 AVPicture picture_tmp;
598 uint8_t *buf = 0;
599
600 dec = ist->st->codec;
601
602 /* deinterlace : must be done before any resize */
603 if (do_deinterlace || using_vhook) {
604 int size;
605
606 /* create temporary picture */
607 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
608 buf = av_malloc(size);
609 if (!buf)
610 return;
611
612 picture2 = &picture_tmp;
613 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
614
615 if (do_deinterlace){
616 if(avpicture_deinterlace(picture2, picture,
617 dec->pix_fmt, dec->width, dec->height) < 0) {
618 /* if error, do not deinterlace */
619 av_free(buf);
620 buf = NULL;
621 picture2 = picture;
622 }
623 } else {
624 if (img_convert(picture2, dec->pix_fmt, picture,
625 dec->pix_fmt, dec->width, dec->height) < 0) {
626 /* if error, do not copy */
627 av_free(buf);
628 buf = NULL;
629 picture2 = picture;
630 }
631 }
632 } else {
633 picture2 = picture;
634 }
635
636 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
637
638 if (picture != picture2)
639 *picture = *picture2;
640 *bufp = buf;
641 }
642
643 /* we begin to correct av delay at this threshold */
644 #define AV_DELAY_MAX 0.100
645
646
647 /* Expects img to be yuv420 */
648 static void fill_pad_region(AVPicture* img, int height, int width,
649 int padtop, int padbottom, int padleft, int padright, int *color) {
650
651 int i, y, shift;
652 uint8_t *optr;
653
654 for (i = 0; i < 3; i++) {
655 shift = (i == 0) ? 0 : 1;
656
657 if (padtop || padleft) {
658 memset(img->data[i], color[i], (((img->linesize[i] * padtop) +
659 padleft) >> shift));
660 }
661
662 if (padleft || padright) {
663 optr = img->data[i] + (img->linesize[i] * (padtop >> shift)) +
664 (img->linesize[i] - (padright >> shift));
665
666 for (y = 0; y < ((height - (padtop + padbottom) - 1) >> shift); y++) {
667 memset(optr, color[i], (padleft + padright) >> shift);
668 optr += img->linesize[i];
669 }
670 }
671
672 if (padbottom || padright) {
673 optr = img->data[i] + (((img->linesize[i] * (height - padbottom)) - padright) >> shift);
674 memset(optr, color[i], (((img->linesize[i] * padbottom) + padright) >> shift));
675 }
676 }
677 }
678
679 static void do_subtitle_out(AVFormatContext *s,
680 AVOutputStream *ost,
681 AVInputStream *ist,
682 AVSubtitle *sub,
683 int64_t pts)
684 {
685 static uint8_t *subtitle_out = NULL;
686 int subtitle_out_max_size = 65536;
687 int subtitle_out_size, nb, i;
688 AVCodecContext *enc;
689 AVPacket pkt;
690
691 if (pts == AV_NOPTS_VALUE) {
692 fprintf(stderr, "Subtitle packets must have a pts\n");
693 return;
694 }
695
696 enc = ost->st->codec;
697
698 if (!subtitle_out) {
699 subtitle_out = av_malloc(subtitle_out_max_size);
700 }
701
702 /* Note: DVB subtitle need one packet to draw them and one other
703 packet to clear them */
704 /* XXX: signal it in the codec context ? */
705 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
706 nb = 2;
707 else
708 nb = 1;
709
710 for(i = 0; i < nb; i++) {
711 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
712 subtitle_out_max_size, sub);
713
714 av_init_packet(&pkt);
715 pkt.stream_index = ost->index;
716 pkt.data = subtitle_out;
717 pkt.size = subtitle_out_size;
718 pkt.pts = av_rescale_q(av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q) + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
719 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
720 /* XXX: the pts correction is handled here. Maybe handling
721 it in the codec would be better */
722 if (i == 0)
723 pkt.pts += 90 * sub->start_display_time;
724 else
725 pkt.pts += 90 * sub->end_display_time;
726 }
727 av_interleaved_write_frame(s, &pkt);
728 }
729 }
730
731 static int bit_buffer_size= 1024*256;
732 static uint8_t *bit_buffer= NULL;
733
734 static void do_video_out(AVFormatContext *s,
735 AVOutputStream *ost,
736 AVInputStream *ist,
737 AVFrame *in_picture,
738 int *frame_size)
739 {
740 int nb_frames, i, ret;
741 AVFrame *final_picture, *formatted_picture;
742 AVFrame picture_format_temp, picture_crop_temp;
743 uint8_t *buf = NULL, *buf1 = NULL;
744 AVCodecContext *enc, *dec;
745 enum PixelFormat target_pixfmt;
746
747 avcodec_get_frame_defaults(&picture_format_temp);
748 avcodec_get_frame_defaults(&picture_crop_temp);
749
750 enc = ost->st->codec;
751 dec = ist->st->codec;
752
753 /* by default, we output a single frame */
754 nb_frames = 1;
755
756 *frame_size = 0;
757
758 if(video_sync_method){
759 double vdelta;
760 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
761 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
762 if (vdelta < -1.1)
763 nb_frames = 0;
764 else if (vdelta > 1.1)
765 nb_frames = lrintf(vdelta);
766 //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);
767 if (nb_frames == 0){
768 ++nb_frames_drop;
769 if (verbose>2)
770 fprintf(stderr, "*** drop!\n");
771 }else if (nb_frames > 1) {
772 nb_frames_dup += nb_frames;
773 if (verbose>2)
774 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
775 }
776 }else
777 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
778
779 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
780 if (nb_frames <= 0)
781 return;
782
783 /* convert pixel format if needed */
784 target_pixfmt = ost->video_resample || ost->video_pad
785 ? PIX_FMT_YUV420P : enc->pix_fmt;
786 if (dec->pix_fmt != target_pixfmt) {
787 int size;
788
789 /* create temporary picture */
790 size = avpicture_get_size(target_pixfmt, dec->width, dec->height);
791 buf = av_malloc(size);
792 if (!buf)
793 return;
794 formatted_picture = &picture_format_temp;
795 avpicture_fill((AVPicture*)formatted_picture, buf, target_pixfmt, dec->width, dec->height);
796
797 if (img_convert((AVPicture*)formatted_picture, target_pixfmt,
798 (AVPicture *)in_picture, dec->pix_fmt,
799 dec->width, dec->height) < 0) {
800
801 if (verbose >= 0)
802 fprintf(stderr, "pixel format conversion not handled\n");
803
804 goto the_end;
805 }
806 } else {
807 formatted_picture = in_picture;
808 }
809
810 /* XXX: resampling could be done before raw format conversion in
811 some cases to go faster */
812 /* XXX: only works for YUV420P */
813 if (ost->video_resample) {
814 final_picture = &ost->pict_tmp;
815 img_resample(ost->img_resample_ctx, (AVPicture*)final_picture, (AVPicture*)formatted_picture);
816
817 if (ost->padtop || ost->padbottom || ost->padleft || ost->padright) {
818 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
819 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
820 padcolor);
821 }
822
823 if (enc->pix_fmt != PIX_FMT_YUV420P) {
824 int size;
825
826 av_free(buf);
827 /* create temporary picture */
828 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
829 buf = av_malloc(size);
830 if (!buf)
831 return;
832 final_picture = &picture_format_temp;
833 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
834
835 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
836 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
837 enc->width, enc->height) < 0) {
838
839 if (verbose >= 0)
840 fprintf(stderr, "pixel format conversion not handled\n");
841
842 goto the_end;
843 }
844 }
845 } else if (ost->video_crop) {
846 picture_crop_temp.data[0] = formatted_picture->data[0] +
847 (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
848
849 picture_crop_temp.data[1] = formatted_picture->data[1] +
850 ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
851 (ost->leftBand >> 1);
852
853 picture_crop_temp.data[2] = formatted_picture->data[2] +
854 ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
855 (ost->leftBand >> 1);
856
857 picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
858 picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
859 picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
860 final_picture = &picture_crop_temp;
861 } else if (ost->video_pad) {
862 final_picture = &ost->pict_tmp;
863
864 for (i = 0; i < 3; i++) {
865 uint8_t *optr, *iptr;
866 int shift = (i == 0) ? 0 : 1;
867 int y, yheight;
868
869 /* set offset to start writing image into */
870 optr = final_picture->data[i] + (((final_picture->linesize[i] *
871 ost->padtop) + ost->padleft) >> shift);
872 iptr = formatted_picture->data[i];
873
874 yheight = (enc->height - ost->padtop - ost->padbottom) >> shift;
875 for (y = 0; y < yheight; y++) {
876 /* copy unpadded image row into padded image row */
877 memcpy(optr, iptr, formatted_picture->linesize[i]);
878 optr += final_picture->linesize[i];
879 iptr += formatted_picture->linesize[i];
880 }
881 }
882
883 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
884 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
885 padcolor);
886
887 if (enc->pix_fmt != PIX_FMT_YUV420P) {
888 int size;
889
890 av_free(buf);
891 /* create temporary picture */
892 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
893 buf = av_malloc(size);
894 if (!buf)
895 return;
896 final_picture = &picture_format_temp;
897 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
898
899 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
900 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
901 enc->width, enc->height) < 0) {
902
903 if (verbose >= 0)
904 fprintf(stderr, "pixel format conversion not handled\n");
905
906 goto the_end;
907 }
908 }
909 } else {
910 final_picture = formatted_picture;
911 }
912 /* duplicates frame if needed */
913 for(i=0;i<nb_frames;i++) {
914 AVPacket pkt;
915 av_init_packet(&pkt);
916 pkt.stream_index= ost->index;
917
918 if (s->oformat->flags & AVFMT_RAWPICTURE) {
919 /* raw pictures are written as AVPicture structure to
920 avoid any copies. We support temorarily the older
921 method. */
922 AVFrame* old_frame = enc->coded_frame;
923 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
924 pkt.data= (uint8_t *)final_picture;
925 pkt.size= sizeof(AVPicture);
926 if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
927 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
928 if(dec->coded_frame && dec->coded_frame->key_frame)
929 pkt.flags |= PKT_FLAG_KEY;
930
931 av_interleaved_write_frame(s, &pkt);
932 enc->coded_frame = old_frame;
933 } else {
934 AVFrame big_picture;
935
936 big_picture= *final_picture;
937 /* better than nothing: use input picture interlaced
938 settings */
939 big_picture.interlaced_frame = in_picture->interlaced_frame;
940 if(avctx_opts->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
941 if(top_field_first == -1)
942 big_picture.top_field_first = in_picture->top_field_first;
943 else
944 big_picture.top_field_first = top_field_first;
945 }
946
947 /* handles sameq here. This is not correct because it may
948 not be a global option */
949 if (same_quality) {
950 big_picture.quality = ist->st->quality;
951 }else
952 big_picture.quality = ost->st->quality;
953 if(!me_threshold)
954 big_picture.pict_type = 0;
955 // big_picture.pts = AV_NOPTS_VALUE;
956 big_picture.pts= ost->sync_opts;
957 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
958 //av_log(NULL, AV_LOG_DEBUG, "%lld -> encoder\n", ost->sync_opts);
959 ret = avcodec_encode_video(enc,
960 bit_buffer, bit_buffer_size,
961 &big_picture);
962 //enc->frame_number = enc->real_pict_num;
963 if(ret>0){
964 pkt.data= bit_buffer;
965 pkt.size= ret;
966 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
967 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
968 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %lld/%lld\n",
969 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
970 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
971
972 if(enc->coded_frame && enc->coded_frame->key_frame)
973 pkt.flags |= PKT_FLAG_KEY;
974 av_interleaved_write_frame(s, &pkt);
975 *frame_size = ret;
976 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
977 // enc->frame_number-1, enc->real_pict_num, ret,
978 // enc->pict_type);
979 /* if two pass, output log */
980 if (ost->logfile && enc->stats_out) {
981 fprintf(ost->logfile, "%s", enc->stats_out);
982 }
983 }
984 }
985 ost->sync_opts++;
986 ost->frame_number++;
987 }
988 the_end:
989 av_free(buf);
990 av_free(buf1);
991 }
992
993 static double psnr(double d){
994 if(d==0) return INFINITY;
995 return -10.0*log(d)/log(10.0);
996 }
997
998 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
999 int frame_size)
1000 {
1001 static FILE *fvstats=NULL;
1002 char filename[40];
1003 time_t today2;
1004 struct tm *today;
1005 AVCodecContext *enc;
1006 int frame_number;
1007 int64_t ti;
1008 double ti1, bitrate, avg_bitrate;
1009
1010 if (!fvstats) {
1011 today2 = time(NULL);
1012 today = localtime(&today2);
1013 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour,
1014 today->tm_min,
1015 today->tm_sec);
1016 fvstats = fopen(filename,"w");
1017 if (!fvstats) {
1018 perror("fopen");
1019 exit(1);
1020 }
1021 }
1022
1023 ti = MAXINT64;
1024 enc = ost->st->codec;
1025 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1026 frame_number = ost->frame_number;
1027 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1028 if (enc->flags&CODEC_FLAG_PSNR)
1029 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1030
1031 fprintf(fvstats,"f_size= %6d ", frame_size);
1032 /* compute pts value */
1033 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1034 if (ti1 < 0.01)
1035 ti1 = 0.01;
1036
1037 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1038 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1039 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1040 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1041 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1042 }
1043 }
1044
1045 static void print_report(AVFormatContext **output_files,
1046 AVOutputStream **ost_table, int nb_ostreams,
1047 int is_last_report)
1048 {
1049 char buf[1024];
1050 AVOutputStream *ost;
1051 AVFormatContext *oc, *os;
1052 int64_t total_size;
1053 AVCodecContext *enc;
1054 int frame_number, vid, i;
1055 double bitrate, ti1, pts;
1056 static int64_t last_time = -1;
1057 static int qp_histogram[52];
1058
1059 if (!is_last_report) {
1060 int64_t cur_time;
1061 /* display the report every 0.5 seconds */
1062 cur_time = av_gettime();
1063 if (last_time == -1) {
1064 last_time = cur_time;
1065 return;
1066 }
1067 if ((cur_time - last_time) < 500000)
1068 return;
1069 last_time = cur_time;
1070 }
1071
1072
1073 oc = output_files[0];
1074
1075 total_size = url_ftell(&oc->pb);
1076
1077 buf[0] = '\0';
1078 ti1 = 1e10;
1079 vid = 0;
1080 for(i=0;i<nb_ostreams;i++) {
1081 ost = ost_table[i];
1082 os = output_files[ost->file_index];
1083 enc = ost->st->codec;
1084 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1085 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1086 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1087 }
1088 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1089 frame_number = ost->frame_number;
1090 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d q=%3.1f ",
1091 frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1092 if(is_last_report)
1093 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1094 if(qp_hist && enc->coded_frame){
1095 int j;
1096 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1097 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
1098 qp_histogram[qp]++;
1099 for(j=0; j<32; j++)
1100 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1101 }
1102 if (enc->flags&CODEC_FLAG_PSNR){
1103 int j;
1104 double error, error_sum=0;
1105 double scale, scale_sum=0;
1106 char type[3]= {'Y','U','V'};
1107 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1108 for(j=0; j<3; j++){
1109 if(is_last_report){
1110 error= enc->error[j];
1111 scale= enc->width*enc->height*255.0*255.0*frame_number;
1112 }else{
1113 error= enc->coded_frame->error[j];
1114 scale= enc->width*enc->height*255.0*255.0;
1115 }
1116 if(j) scale/=4;
1117 error_sum += error;
1118 scale_sum += scale;
1119 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1120 }
1121 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1122 }
1123 vid = 1;
1124 }
1125 /* compute min output value */
1126 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1127 if ((pts < ti1) && (pts > 0))
1128 ti1 = pts;
1129 }
1130 if (ti1 < 0.01)
1131 ti1 = 0.01;
1132
1133 if (verbose || is_last_report) {
1134 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1135
1136 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1137 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1138 (double)total_size / 1024, ti1, bitrate);
1139
1140 if (verbose > 1)
1141 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1142 nb_frames_dup, nb_frames_drop);
1143
1144 if (verbose >= 0)
1145 fprintf(stderr, "%s \r", buf);
1146
1147 fflush(stderr);
1148 }
1149
1150 if (is_last_report && verbose >= 0){
1151 int64_t raw= audio_size + video_size + extra_size;
1152 fprintf(stderr, "\n");
1153 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1154 video_size/1024.0,
1155 audio_size/1024.0,
1156 extra_size/1024.0,
1157 100.0*(total_size - raw)/raw
1158 );
1159 }
1160 }
1161
1162 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1163 static int output_packet(AVInputStream *ist, int ist_index,
1164 AVOutputStream **ost_table, int nb_ostreams,
1165 const AVPacket *pkt)
1166 {
1167 AVFormatContext *os;
1168 AVOutputStream *ost;
1169 uint8_t *ptr;
1170 int len, ret, i;
1171 uint8_t *data_buf;
1172 int data_size, got_picture;
1173 AVFrame picture;
1174 void *buffer_to_free;
1175 static unsigned int samples_size= 0;
1176 static short *samples= NULL;
1177 AVSubtitle subtitle, *subtitle_to_free;
1178 int got_subtitle;
1179
1180 if(!pkt){
1181 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1182 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1183 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1184 } else {
1185 // assert(ist->pts == ist->next_pts);
1186 }
1187
1188 if (pkt == NULL) {
1189 /* EOF handling */
1190 ptr = NULL;
1191 len = 0;
1192 goto handle_eof;
1193 }
1194
1195 len = pkt->size;
1196 ptr = pkt->data;
1197 while (len > 0) {
1198 handle_eof:
1199 /* decode the packet if needed */
1200 data_buf = NULL; /* fail safe */
1201 data_size = 0;
1202 subtitle_to_free = NULL;
1203 if (ist->decoding_needed) {
1204 switch(ist->st->codec->codec_type) {
1205 case CODEC_TYPE_AUDIO:{
1206 if(pkt)
1207 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size, AVCODEC_MAX_AUDIO_FRAME_SIZE));
1208 /* XXX: could avoid copy if PCM 16 bits with same
1209 endianness as CPU */
1210 ret = avcodec_decode_audio(ist->st->codec, samples, &data_size,
1211 ptr, len);
1212 if (ret < 0)
1213 goto fail_decode;
1214 ptr += ret;
1215 len -= ret;
1216 /* Some bug in mpeg audio decoder gives */
1217 /* data_size < 0, it seems they are overflows */
1218 if (data_size <= 0) {
1219 /* no audio frame */
1220 continue;
1221 }
1222 data_buf = (uint8_t *)samples;
1223 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1224 (ist->st->codec->sample_rate * ist->st->codec->channels);
1225 break;}
1226 case CODEC_TYPE_VIDEO:
1227 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1228 /* XXX: allocate picture correctly */
1229 avcodec_get_frame_defaults(&picture);
1230
1231 ret = avcodec_decode_video(ist->st->codec,
1232 &picture, &got_picture, ptr, len);
1233 ist->st->quality= picture.quality;
1234 if (ret < 0)
1235 goto fail_decode;
1236 if (!got_picture) {
1237 /* no picture yet */
1238 goto discard_packet;
1239 }
1240 if (ist->st->codec->time_base.num != 0) {
1241 ist->next_pts += ((int64_t)AV_TIME_BASE *
1242 ist->st->codec->time_base.num) /
1243 ist->st->codec->time_base.den;
1244 }
1245 len = 0;
1246 break;
1247 case CODEC_TYPE_SUBTITLE:
1248 ret = avcodec_decode_subtitle(ist->st->codec,
1249 &subtitle, &got_subtitle, ptr, len);
1250 if (ret < 0)
1251 goto fail_decode;
1252 if (!got_subtitle) {
1253 goto discard_packet;
1254 }
1255 subtitle_to_free = &subtitle;
1256 len = 0;
1257 break;
1258 default:
1259 goto fail_decode;
1260 }
1261 } else {
1262 switch(ist->st->codec->codec_type) {
1263 case CODEC_TYPE_AUDIO:
1264 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1265 (ist->st->codec->sample_rate * ist->st->codec->channels);
1266 break;
1267 case CODEC_TYPE_VIDEO:
1268 if (ist->st->codec->time_base.num != 0) {
1269 ist->next_pts += ((int64_t)AV_TIME_BASE *
1270 ist->st->codec->time_base.num) /
1271 ist->st->codec->time_base.den;
1272 }
1273 break;
1274 }
1275 data_buf = ptr;
1276 data_size = len;
1277 ret = len;
1278 len = 0;
1279 }
1280
1281 buffer_to_free = NULL;
1282 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1283 pre_process_video_frame(ist, (AVPicture *)&picture,
1284 &buffer_to_free);
1285 }
1286
1287 // preprocess audio (volume)
1288 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1289 if (audio_volume != 256) {
1290 short *volp;
1291 volp = samples;
1292 for(i=0;i<(data_size / sizeof(short));i++) {
1293 int v = ((*volp) * audio_volume + 128) >> 8;
1294 if (v < -32768) v = -32768;
1295 if (v > 32767) v = 32767;
1296 *volp++ = v;
1297 }
1298 }
1299 }
1300
1301 /* frame rate emulation */
1302 if (ist->st->codec->rate_emu) {
1303 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1304 int64_t now = av_gettime() - ist->start;
1305 if (pts > now)
1306 usleep(pts - now);
1307
1308 ist->frame++;
1309 }
1310
1311 #if 0
1312 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1313 is the one of the next displayed one */
1314 /* XXX: add mpeg4 too ? */
1315 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1316 if (ist->st->codec->pict_type != B_TYPE) {
1317 int64_t tmp;
1318 tmp = ist->last_ip_pts;
1319 ist->last_ip_pts = ist->frac_pts.val;
1320 ist->frac_pts.val = tmp;
1321 }
1322 }
1323 #endif
1324 /* if output time reached then transcode raw format,
1325 encode packets and output them */
1326 if (start_time == 0 || ist->pts >= start_time)
1327 for(i=0;i<nb_ostreams;i++) {
1328 int frame_size;
1329
1330 ost = ost_table[i];
1331 if (ost->source_index == ist_index) {
1332 os = output_files[ost->file_index];
1333
1334 #if 0
1335 printf("%d: got pts=%0.3f %0.3f\n", i,
1336 (double)pkt->pts / AV_TIME_BASE,
1337 ((double)ist->pts / AV_TIME_BASE) -
1338 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1339 #endif
1340 /* set the input output pts pairs */
1341 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1342
1343 if (ost->encoding_needed) {
1344 switch(ost->st->codec->codec_type) {
1345 case CODEC_TYPE_AUDIO:
1346 do_audio_out(os, ost, ist, data_buf, data_size);
1347 break;
1348 case CODEC_TYPE_VIDEO:
1349 do_video_out(os, ost, ist, &picture, &frame_size);
1350 video_size += frame_size;
1351 if (do_vstats && frame_size)
1352 do_video_stats(os, ost, frame_size);
1353 break;
1354 case CODEC_TYPE_SUBTITLE:
1355 do_subtitle_out(os, ost, ist, &subtitle,
1356 pkt->pts);
1357 break;
1358 default:
1359 av_abort();
1360 }
1361 } else {
1362 AVFrame avframe; //FIXME/XXX remove this
1363 AVPacket opkt;
1364 av_init_packet(&opkt);
1365
1366 /* no reencoding needed : output the packet directly */
1367 /* force the input stream PTS */
1368
1369 avcodec_get_frame_defaults(&avframe);
1370 ost->st->codec->coded_frame= &avframe;
1371 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1372
1373 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1374 audio_size += data_size;
1375 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1376 video_size += data_size;
1377 ost->sync_opts++;
1378 }
1379
1380 opkt.stream_index= ost->index;
1381 if(pkt->pts != AV_NOPTS_VALUE)
1382 opkt.pts= av_rescale_q(av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q) + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1383 else
1384 opkt.pts= AV_NOPTS_VALUE;
1385
1386 {
1387 int64_t dts;
1388 if (pkt->dts == AV_NOPTS_VALUE)
1389 dts = ist->next_pts;
1390 else
1391 dts= av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1392 opkt.dts= av_rescale_q(dts + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1393 }
1394 opkt.flags= pkt->flags;
1395 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1396 opkt.destruct= av_destruct_packet;
1397 av_interleaved_write_frame(os, &opkt);
1398 ost->st->codec->frame_number++;
1399 ost->frame_number++;
1400 av_free_packet(&opkt);
1401 }
1402 }
1403 }
1404 av_free(buffer_to_free);
1405 /* XXX: allocate the subtitles in the codec ? */
1406 if (subtitle_to_free) {
1407 if (subtitle_to_free->rects != NULL) {
1408 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1409 av_free(subtitle_to_free->rects[i].bitmap);
1410 av_free(subtitle_to_free->rects[i].rgba_palette);
1411 }
1412 av_freep(&subtitle_to_free->rects);
1413 }
1414 subtitle_to_free->num_rects = 0;
1415 subtitle_to_free = NULL;
1416 }
1417 }
1418 discard_packet:
1419 if (pkt == NULL) {
1420 /* EOF handling */
1421
1422 for(i=0;i<nb_ostreams;i++) {
1423 ost = ost_table[i];
1424 if (ost->source_index == ist_index) {
1425 AVCodecContext *enc= ost->st->codec;
1426 os = output_files[ost->file_index];
1427
1428 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1429 continue;
1430 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1431 continue;
1432
1433 if (ost->encoding_needed) {
1434 for(;;) {
1435 AVPacket pkt;
1436 av_init_packet(&pkt);
1437 pkt.stream_index= ost->index;
1438
1439 switch(ost->st->codec->codec_type) {
1440 case CODEC_TYPE_AUDIO:
1441 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1442 audio_size += ret;
1443 pkt.flags |= PKT_FLAG_KEY;
1444 break;
1445 case CODEC_TYPE_VIDEO:
1446 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1447 video_size += ret;
1448 if(enc->coded_frame && enc->coded_frame->key_frame)
1449 pkt.flags |= PKT_FLAG_KEY;
1450 if (ost->logfile && enc->stats_out) {
1451 fprintf(ost->logfile, "%s", enc->stats_out);
1452 }
1453 break;
1454 default:
1455 ret=-1;
1456 }
1457
1458 if(ret<=0)
1459 break;
1460 pkt.data= bit_buffer;
1461 pkt.size= ret;
1462 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1463 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1464 av_interleaved_write_frame(os, &pkt);
1465 }
1466 }
1467 }
1468 }
1469 }
1470
1471 return 0;
1472 fail_decode:
1473 return -1;
1474 }
1475
1476
1477 /*
1478 * The following code is the main loop of the file converter
1479 */
1480 static int av_encode(AVFormatContext **output_files,
1481 int nb_output_files,
1482 AVFormatContext **input_files,
1483 int nb_input_files,
1484 AVStreamMap *stream_maps, int nb_stream_maps)
1485 {
1486 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1487 AVFormatContext *is, *os;
1488 AVCodecContext *codec, *icodec;
1489 AVOutputStream *ost, **ost_table = NULL;
1490 AVInputStream *ist, **ist_table = NULL;
1491 AVInputFile *file_table;
1492 AVFormatContext *stream_no_data;
1493 int key;
1494
1495 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1496 if (!file_table)
1497 goto fail;
1498
1499 /* input stream init */
1500 j = 0;
1501 for(i=0;i<nb_input_files;i++) {
1502 is = input_files[i];
1503 file_table[i].ist_index = j;
1504 file_table[i].nb_streams = is->nb_streams;
1505 j += is->nb_streams;
1506 }
1507 nb_istreams = j;
1508
1509 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1510 if (!ist_table)
1511 goto fail;
1512
1513 for(i=0;i<nb_istreams;i++) {
1514 ist = av_mallocz(sizeof(AVInputStream));
1515 if (!ist)
1516 goto fail;
1517 ist_table[i] = ist;
1518 }
1519 j = 0;
1520 for(i=0;i<nb_input_files;i++) {
1521 is = input_files[i];
1522 for(k=0;k<is->nb_streams;k++) {
1523 ist = ist_table[j++];
1524 ist->st = is->streams[k];
1525 ist->file_index = i;
1526 ist->index = k;
1527 ist->discard = 1; /* the stream is discarded by default
1528 (changed later) */
1529
1530 if (ist->st->codec->rate_emu) {
1531 ist->start = av_gettime();
1532 ist->frame = 0;
1533 }
1534 }
1535 }
1536
1537 /* output stream init */
1538 nb_ostreams = 0;
1539 for(i=0;i<nb_output_files;i++) {
1540 os = output_files[i];
1541 nb_ostreams += os->nb_streams;
1542 }
1543 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1544 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1545 exit(1);
1546 }
1547
1548 /* Sanity check the mapping args -- do the input files & streams exist? */
1549 for(i=0;i<nb_stream_maps;i++) {
1550 int fi = stream_maps[i].file_index;
1551 int si = stream_maps[i].stream_index;
1552
1553 if (fi < 0 || fi > nb_input_files - 1 ||
1554 si < 0 || si > file_table[fi].nb_streams - 1) {
1555 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1556 exit(1);
1557 }
1558 fi = stream_maps[i].sync_file_index;
1559 si = stream_maps[i].sync_stream_index;
1560 if (fi < 0 || fi > nb_input_files - 1 ||
1561 si < 0 || si > file_table[fi].nb_streams - 1) {
1562 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1563 exit(1);
1564 }
1565 }
1566
1567 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1568 if (!ost_table)
1569 goto fail;
1570 for(i=0;i<nb_ostreams;i++) {
1571 ost = av_mallocz(sizeof(AVOutputStream));
1572 if (!ost)
1573 goto fail;
1574 ost_table[i] = ost;
1575 }
1576
1577 n = 0;
1578 for(k=0;k<nb_output_files;k++) {
1579 os = output_files[k];
1580 for(i=0;i<os->nb_streams;i++) {
1581 int found;
1582 ost = ost_table[n++];
1583 ost->file_index = k;
1584 ost->index = i;
1585 ost->st = os->streams[i];
1586 if (nb_stream_maps > 0) {
1587 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1588 stream_maps[n-1].stream_index;
1589
1590 /* Sanity check that the stream types match */
1591 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1592 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1593 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1594 ost->file_index, ost->index);
1595 exit(1);
1596 }
1597
1598 } else {
1599 /* get corresponding input stream index : we select the first one with the right type */
1600 found = 0;
1601 for(j=0;j<nb_istreams;j++) {
1602 ist = ist_table[j];
1603 if (ist->discard &&
1604 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1605 ost->source_index = j;
1606 found = 1;
1607 break;
1608 }
1609 }
1610
1611 if (!found) {
1612 /* try again and reuse existing stream */
1613 for(j=0;j<nb_istreams;j++) {
1614 ist = ist_table[j];
1615 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1616 ost->source_index = j;
1617 found = 1;
1618 }
1619 }
1620 if (!found) {
1621 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1622 ost->file_index, ost->index);
1623 exit(1);
1624 }
1625 }
1626 }
1627 ist = ist_table[ost->source_index];
1628 ist->discard = 0;
1629 ost->sync_ist = (nb_stream_maps > 0) ?
1630 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1631 stream_maps[n-1].sync_stream_index] : ist;
1632 }
1633 }
1634
1635 /* for each output stream, we compute the right encoding parameters */
1636 for(i=0;i<nb_ostreams;i++) {
1637 ost = ost_table[i];
1638 ist = ist_table[ost->source_index];
1639
1640 codec = ost->st->codec;
1641 icodec = ist->st->codec;
1642
1643 if (ost->st->stream_copy) {
1644 /* if stream_copy is selected, no need to decode or encode */
1645 codec->codec_id = icodec->codec_id;
1646 codec->codec_type = icodec->codec_type;
1647 if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1648 codec->bit_rate = icodec->bit_rate;
1649 codec->extradata= icodec->extradata;
1650 codec->extradata_size= icodec->extradata_size;
1651 codec->time_base = icodec->time_base;
1652 switch(codec->codec_type) {
1653 case CODEC_TYPE_AUDIO:
1654 codec->sample_rate = icodec->sample_rate;
1655 codec->channels = icodec->channels;
1656 codec->frame_size = icodec->frame_size;
1657 codec->block_align= icodec->block_align;
1658 break;
1659 case CODEC_TYPE_VIDEO:
1660 codec->width = icodec->width;
1661 codec->height = icodec->height;
1662 codec->has_b_frames = icodec->has_b_frames;
1663 break;
1664 case CODEC_TYPE_SUBTITLE:
1665 break;
1666 default:
1667 av_abort();
1668 }
1669 } else {
1670 switch(codec->codec_type) {
1671 case CODEC_TYPE_AUDIO:
1672 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1673 goto fail;
1674
1675 if (codec->channels == icodec->channels &&
1676 codec->sample_rate == icodec->sample_rate) {
1677 ost->audio_resample = 0;
1678 } else {
1679 if (codec->channels != icodec->channels &&
1680 (icodec->codec_id == CODEC_ID_AC3 ||
1681 icodec->codec_id == CODEC_ID_DTS)) {
1682 /* Special case for 5:1 AC3 and DTS input */
1683 /* and mono or stereo output */
1684 /* Request specific number of channels */
1685 icodec->channels = codec->channels;
1686 if (codec->sample_rate == icodec->sample_rate)
1687 ost->audio_resample = 0;
1688 else {
1689 ost->audio_resample = 1;
1690 }
1691 } else {
1692 ost->audio_resample = 1;
1693 }
1694 }
1695 if(audio_sync_method>1)
1696 ost->audio_resample = 1;
1697
1698 if(ost->audio_resample){
1699 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1700 codec->sample_rate, icodec->sample_rate);
1701 if(!ost->resample){
1702 printf("Can't resample. Aborting.\n");
1703 av_abort();
1704 }
1705 }
1706 ist->decoding_needed = 1;
1707 ost->encoding_needed = 1;
1708 break;
1709 case CODEC_TYPE_VIDEO:
1710 if (codec->width == icodec->width &&
1711 codec->height == icodec->height &&
1712 frame_topBand == 0 &&
1713 frame_bottomBand == 0 &&
1714 frame_leftBand == 0 &&
1715 frame_rightBand == 0 &&
1716 frame_padtop == 0 &&
1717 frame_padbottom == 0 &&
1718 frame_padleft == 0 &&
1719 frame_padright == 0)
1720 {
1721 ost->video_resample = 0;
1722 ost->video_crop = 0;
1723 ost->video_pad = 0;
1724 } else if ((codec->width == icodec->width -
1725 (frame_leftBand + frame_rightBand)) &&
1726 (codec->height == icodec->height -
1727 (frame_topBand + frame_bottomBand)))
1728 {
1729 ost->video_resample = 0;
1730 ost->video_crop = 1;
1731 ost->topBand = frame_topBand;
1732 ost->leftBand = frame_leftBand;
1733 } else if ((codec->width == icodec->width +
1734 (frame_padleft + frame_padright)) &&
1735 (codec->height == icodec->height +
1736 (frame_padtop + frame_padbottom))) {
1737 ost->video_resample = 0;
1738 ost->video_crop = 0;
1739 ost->video_pad = 1;
1740 ost->padtop = frame_padtop;
1741 ost->padleft = frame_padleft;
1742 ost->padbottom = frame_padbottom;
1743 ost->padright = frame_padright;
1744 avcodec_get_frame_defaults(&ost->pict_tmp);
1745 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1746 codec->width, codec->height ) )
1747 goto fail;
1748 } else {
1749 ost->video_resample = 1;
1750 ost->video_crop = 0; // cropping is handled as part of resample
1751 avcodec_get_frame_defaults(&ost->pict_tmp);
1752 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1753 codec->width, codec->height ) )
1754 goto fail;
1755
1756 ost->img_resample_ctx = img_resample_full_init(
1757 codec->width, codec->height,
1758 icodec->width, icodec->height,
1759 frame_topBand, frame_bottomBand,
1760 frame_leftBand, frame_rightBand,
1761 frame_padtop, frame_padbottom,
1762 frame_padleft, frame_padright);
1763
1764 ost->padtop = frame_padtop;
1765 ost->padleft = frame_padleft;
1766 ost->padbottom = frame_padbottom;
1767 ost->padright = frame_padright;
1768
1769 }
1770 ost->encoding_needed = 1;
1771 ist->decoding_needed = 1;
1772 break;
1773 case CODEC_TYPE_SUBTITLE:
1774 ost->encoding_needed = 1;
1775 ist->decoding_needed = 1;
1776 break;
1777 default:
1778 av_abort();
1779 break;
1780 }
1781 /* two pass mode */
1782 if (ost->encoding_needed &&
1783 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1784 char logfilename[1024];
1785 FILE *f;
1786 int size;
1787 char *logbuffer;
1788
1789 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1790 pass_logfilename ?
1791 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1792 if (codec->flags & CODEC_FLAG_PASS1) {
1793 f = fopen(logfilename, "w");
1794 if (!f) {
1795 perror(logfilename);
1796 exit(1);
1797 }
1798 ost->logfile = f;
1799 } else {
1800 /* read the log file */
1801 f = fopen(logfilename, "r");
1802 if (!f) {
1803 perror(logfilename);
1804 exit(1);
1805 }
1806 fseek(f, 0, SEEK_END);
1807 size = ftell(f);
1808 fseek(f, 0, SEEK_SET);
1809 logbuffer = av_malloc(size + 1);
1810 if (!logbuffer) {
1811 fprintf(stderr, "Could not allocate log buffer\n");
1812 exit(1);
1813 }
1814 size = fread(logbuffer, 1, size, f);
1815 fclose(f);
1816 logbuffer[size] = '\0';
1817 codec->stats_in = logbuffer;
1818 }
1819 }
1820 }
1821 if(codec->codec_type == CODEC_TYPE_VIDEO){
1822 int size= codec->width * codec->height;
1823 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1824 }
1825 }
1826
1827 if (!bit_buffer)
1828 bit_buffer = av_malloc(bit_buffer_size);
1829 if (!bit_buffer)
1830 goto fail;
1831
1832 /* dump the file output parameters - cannot be done before in case
1833 of stream copy */
1834 for(i=0;i<nb_output_files;i++) {
1835 dump_format(output_files[i], i, output_files[i]->filename, 1);
1836 }
1837
1838 /* dump the stream mapping */
1839 if (verbose >= 0) {
1840 fprintf(stderr, "Stream mapping:\n");
1841 for(i=0;i<nb_ostreams;i++) {
1842 ost = ost_table[i];
1843 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1844 ist_table[ost->source_index]->file_index,
1845 ist_table[ost->source_index]->index,
1846 ost->file_index,
1847 ost->index);
1848 if (ost->sync_ist != ist_table[ost->source_index])
1849 fprintf(stderr, " [sync #%d.%d]",
1850 ost->sync_ist->file_index,
1851 ost->sync_ist->index);
1852 fprintf(stderr, "\n");
1853 }
1854 }
1855
1856 /* open each encoder */
1857 for(i=0;i<nb_ostreams;i++) {
1858 ost = ost_table[i];
1859 if (ost->encoding_needed) {
1860 AVCodec *codec;
1861 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1862 if (!codec) {
1863 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1864 ost->file_index, ost->index);
1865 exit(1);
1866 }
1867 if (avcodec_open(ost->st->codec, codec) < 0) {
1868 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1869 ost->file_index, ost->index);
1870 exit(1);
1871 }
1872 extra_size += ost->st->codec->extradata_size;
1873 }
1874 }
1875
1876 /* open each decoder */
1877 for(i=0;i<nb_istreams;i++) {
1878 ist = ist_table[i];
1879 if (ist->decoding_needed) {
1880 AVCodec *codec;
1881 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1882 if (!codec) {
1883 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1884 ist->st->codec->codec_id, ist->file_index, ist->index);
1885 exit(1);
1886 }
1887 if (avcodec_open(ist->st->codec, codec) < 0) {
1888 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1889 ist->file_index, ist->index);
1890 exit(1);
1891 }
1892 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1893 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1894 }
1895 }
1896
1897 /* init pts */
1898 for(i=0;i<nb_istreams;i++) {
1899 ist = ist_table[i];
1900 is = input_files[ist->file_index];
1901 ist->pts = 0;
1902 ist->next_pts = av_rescale_q(ist->st->start_time, ist->st->time_base, AV_TIME_BASE_Q);
1903 if(ist->st->start_time == AV_NOPTS_VALUE)
1904 ist->next_pts=0;
1905 if(input_files_ts_offset[ist->file_index])
1906 ist->next_pts= AV_NOPTS_VALUE;
1907 ist->is_start = 1;
1908 }
1909
1910 /* compute buffer size max (should use a complete heuristic) */
1911 for(i=0;i<nb_input_files;i++) {
1912 file_table[i].buffer_size_max = 2048;
1913 }
1914
1915 /* set meta data information from input file if required */
1916 for (i=0;i<nb_meta_data_maps;i++) {
1917 AVFormatContext *out_file;
1918 AVFormatContext *in_file;
1919
1920 int out_file_index = meta_data_maps[i].out_file;
1921 int in_file_index = meta_data_maps[i].in_file;
1922 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1923 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1924 ret = -EINVAL;
1925 goto fail;
1926 }
1927 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1928 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1929 ret = -EINVAL;
1930 goto fail;
1931 }
1932
1933 out_file = output_files[out_file_index];
1934 in_file = input_files[in_file_index];
1935
1936 strcpy(out_file->title, in_file->title);
1937 strcpy(out_file->author, in_file->author);
1938 strcpy(out_file->copyright, in_file->copyright);
1939 strcpy(out_file->comment, in_file->comment);
1940 strcpy(out_file->album, in_file->album);
1941 out_file->year = in_file->year;
1942 out_file->track = in_file->track;
1943 strcpy(out_file->genre, in_file->genre);
1944 }
1945
1946 /* open files and write file headers */
1947 for(i=0;i<nb_output_files;i++) {
1948 os = output_files[i];
1949 if (av_write_header(os) < 0) {
1950 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1951 ret = -EINVAL;
1952 goto fail;
1953 }
1954 }
1955
1956 #ifndef CONFIG_WIN32
1957 if ( !using_stdin && verbose >= 0) {
1958 fprintf(stderr, "Press [q] to stop encoding\n");
1959 url_set_interrupt_cb(decode_interrupt_cb);
1960 }
1961 #endif
1962 term_init();
1963
1964 stream_no_data = 0;
1965 key = -1;
1966
1967 for(; received_sigterm == 0;) {
1968 int file_index, ist_index;
1969 AVPacket pkt;
1970 double ipts_min;
1971 double opts_min;
1972
1973 redo:
1974 ipts_min= 1e100;
1975 opts_min= 1e100;
1976 /* if 'q' pressed, exits */
1977 if (!using_stdin) {
1978 if (q_pressed)
1979 break;
1980 /* read_key() returns 0 on EOF */
1981 key = read_key();
1982 if (key == 'q')
1983 break;
1984 }
1985
1986 /* select the stream that we must read now by looking at the
1987 smallest output pts */
1988 file_index = -1;
1989 for(i=0;i<nb_ostreams;i++) {
1990 double ipts, opts;
1991 ost = ost_table[i];
1992 os = output_files[ost->file_index];
1993 ist = ist_table[ost->source_index];
1994 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1995 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1996 else
1997 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1998 ipts = (double)ist->pts;
1999 if (!file_table[ist->file_index].eof_reached){
2000 if(ipts < ipts_min) {
2001 ipts_min = ipts;
2002 if(input_sync ) file_index = ist->file_index;
2003 }
2004 if(opts < opts_min) {
2005 opts_min = opts;
2006 if(!input_sync) file_index = ist->file_index;
2007 }
2008 }
2009 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2010 file_index= -1;
2011 break;
2012 }
2013 }
2014 /* if none, if is finished */
2015 if (file_index < 0) {
2016 break;
2017 }
2018
2019 /* finish if recording time exhausted */
2020 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
2021 break;
2022
2023 /* finish if limit size exhausted */
2024 if (limit_filesize != 0 && (limit_filesize * 1024) < url_ftell(&output_files[0]->pb))
2025 break;
2026
2027 /* read a frame from it and output it in the fifo */
2028 is = input_files[file_index];
2029 if (av_read_frame(is, &pkt) < 0) {
2030 file_table[file_index].eof_reached = 1;
2031 if (opt_shortest) break; else continue; //
2032 }
2033
2034 if (!pkt.size) {
2035 stream_no_data = is;
2036 } else {
2037 stream_no_data = 0;
2038 }
2039 if (do_pkt_dump) {
2040 av_pkt_dump(stdout, &pkt, do_hex_dump);
2041 }
2042 /* the following test is needed in case new streams appear
2043 dynamically in stream : we ignore them */
2044 if (pkt.stream_index >= file_table[file_index].nb_streams)
2045 goto discard_packet;
2046 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2047 ist = ist_table[ist_index];
2048 if (ist->discard)
2049 goto discard_packet;
2050
2051 // 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);
2052 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
2053 int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
2054 if(ABS(delta) > 10LL*AV_TIME_BASE && !copy_ts){
2055 input_files_ts_offset[ist->file_index]-= delta;
2056 if (verbose > 2)
2057 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2058 for(i=0; i<file_table[file_index].nb_streams; i++){
2059 int index= file_table[file_index].ist_index + i;
2060 ist_table[index]->next_pts += delta;
2061 ist_table[index]->is_start=1;
2062 }
2063 }
2064 }
2065
2066 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2067 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2068
2069 if (verbose >= 0)
2070 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2071 ist->file_index, ist->index);
2072
2073 av_free_packet(&pkt);
2074 goto redo;
2075 }
2076
2077 discard_packet:
2078 av_free_packet(&pkt);
2079
2080 /* dump report by using the output first video and audio streams */
2081 print_report(output_files, ost_table, nb_ostreams, 0);
2082 }
2083
2084 /* at the end of stream, we must flush the decoder buffers */
2085 for(i=0;i<nb_istreams;i++) {
2086 ist = ist_table[i];
2087 if (ist->decoding_needed) {
2088 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2089 }
2090 }
2091
2092 term_exit();
2093
2094 /* write the trailer if needed and close file */
2095 for(i=0;i<nb_output_files;i++) {
2096 os = output_files[i];
2097 av_write_trailer(os);
2098 }
2099
2100 /* dump report by using the first video and audio streams */
2101 print_report(output_files, ost_table, nb_ostreams, 1);
2102
2103 /* close each encoder */
2104 for(i=0;i<nb_ostreams;i++) {
2105 ost = ost_table[i];
2106 if (ost->encoding_needed) {
2107 av_freep(&ost->st->codec->stats_in);
2108 avcodec_close(ost->st->codec);
2109 }
2110 }
2111
2112 /* close each decoder */
2113 for(i=0;i<nb_istreams;i++) {
2114 ist = ist_table[i];
2115 if (ist->decoding_needed) {
2116 avcodec_close(ist->st->codec);
2117 }
2118 }
2119
2120 /* finished ! */
2121
2122 ret = 0;
2123 fail1:
2124 av_freep(&bit_buffer);
2125 av_free(file_table);
2126
2127 if (ist_table) {
2128 for(i=0;i<nb_istreams;i++) {
2129 ist = ist_table[i];
2130 av_free(ist);
2131 }
2132 av_free(ist_table);
2133 }
2134 if (ost_table) {
2135 for(i=0;i<nb_ostreams;i++) {
2136 ost = ost_table[i];
2137 if (ost) {
2138 if (ost->logfile) {
2139 fclose(ost->logfile);
2140 ost->logfile = NULL;
2141 }
2142 fifo_free(&ost->fifo); /* works even if fifo is not
2143 initialized but set to zero */
2144 av_free(ost->pict_tmp.data[0]);
2145 if (ost->video_resample)
2146 img_resample_close(ost->img_resample_ctx);
2147 if (ost->audio_resample)
2148 audio_resample_close(ost->resample);
2149 av_free(ost);
2150 }
2151 }
2152 av_free(ost_table);
2153 }
2154 return ret;
2155 fail:
2156 ret = -ENOMEM;
2157 goto fail1;
2158 }
2159
2160 #if 0
2161 int file_read(const char *filename)
2162 {
2163 URLContext *h;
2164 unsigned char buffer[1024];
2165 int len, i;
2166
2167 if (url_open(&h, filename, O_RDONLY) < 0) {
2168 printf("could not open '%s'\n", filename);
2169 return -1;
2170 }
2171 for(;;) {
2172 len = url_read(h, buffer, sizeof(buffer));
2173 if (len <= 0)
2174 break;
2175 for(i=0;i<len;i++) putchar(buffer[i]);
2176 }
2177 url_close(h);
2178 return 0;
2179 }
2180 #endif
2181
2182 static void opt_image_format(const char *arg)
2183 {
2184 AVImageFormat *f;
2185
2186 for(f = first_image_format; f != NULL; f = f->next) {
2187 if (!strcmp(arg, f->name))
2188 break;
2189 }
2190 if (!f) {
2191 fprintf(stderr, "Unknown image format: '%s'\n", arg);
2192 exit(1);
2193 }
2194 image_format = f;
2195 }
2196
2197 static void opt_format(const char *arg)
2198 {
2199 /* compatibility stuff for pgmyuv */
2200 if (!strcmp(arg, "pgmyuv")) {
2201 pgmyuv_compatibility_hack=1;
2202 // opt_image_format(arg);
2203 arg = "image2";
2204 }
2205
2206 file_iformat = av_find_input_format(arg);
2207 file_oformat = guess_format(arg, NULL, NULL);
2208 if (!file_iformat && !file_oformat) {
2209 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2210 exit(1);
2211 }
2212 }
2213
2214 static void opt_video_bitrate(const char *arg)
2215 {
2216 video_bit_rate = atoi(arg) * 1000;
2217 }
2218
2219 static void opt_video_bitrate_tolerance(const char *arg)
2220 {
2221 video_bit_rate_tolerance = atoi(arg) * 1000;
2222 }
2223
2224 static void opt_video_bitrate_max(const char *arg)
2225 {
2226 video_rc_max_rate = atoi(arg) * 1000;
2227 }
2228
2229 static void opt_video_bitrate_min(const char *arg)
2230 {
2231 video_rc_min_rate = atoi(arg) * 1000;
2232 }
2233
2234 static void opt_video_buffer_size(const char *arg)
2235 {
2236 video_rc_buffer_size = atoi(arg) * 8*1024;
2237 }
2238
2239 static void opt_video_rc_eq(char *arg)
2240 {
2241 video_rc_eq = arg;
2242 }
2243
2244 static void opt_video_rc_override_string(char *arg)
2245 {
2246 video_rc_override_string = arg;
2247 }
2248
2249
2250 static void opt_workaround_bugs(const char *arg)
2251 {
2252 workaround_bugs = atoi(arg);
2253 }
2254
2255 static void opt_me_threshold(const char *arg)
2256 {
2257 me_threshold = atoi(arg);
2258 }
2259
2260 static void opt_mb_threshold(const char *arg)
2261 {
2262 mb_threshold = atoi(arg);
2263 }
2264
2265 static void opt_verbose(const char *arg)
2266 {
2267 verbose = atoi(arg);
2268 av_log_set_level(atoi(arg));
2269 }
2270
2271 static void opt_frame_rate(const char *arg)
2272 {
2273 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2274 fprintf(stderr, "Incorrect frame rate\n");
2275 exit(1);
2276 }
2277 }
2278
2279 static void opt_frame_crop_top(const char *arg)
2280 {
2281 frame_topBand = atoi(arg);
2282 if (frame_topBand < 0) {
2283 fprintf(stderr, "Incorrect top crop size\n");
2284 exit(1);
2285 }
2286 if ((frame_topBand % 2) != 0) {
2287 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2288 exit(1);
2289 }
2290 if ((frame_topBand) >= frame_height){
2291 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2292 exit(1);
2293 }
2294 frame_height -= frame_topBand;
2295 }
2296
2297 static void opt_frame_crop_bottom(const char *arg)
2298 {
2299 frame_bottomBand = atoi(arg);
2300 if (frame_bottomBand < 0) {
2301 fprintf(stderr, "Incorrect bottom crop size\n");
2302 exit(1);
2303 }
2304 if ((frame_bottomBand % 2) != 0) {
2305 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2306 exit(1);
2307 }
2308 if ((frame_bottomBand) >= frame_height){
2309 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2310 exit(1);
2311 }
2312 frame_height -= frame_bottomBand;
2313 }
2314
2315 static void opt_frame_crop_left(const char *arg)
2316 {
2317 frame_leftBand = atoi(arg);
2318 if (frame_leftBand < 0) {
2319 fprintf(stderr, "Incorrect left crop size\n");
2320 exit(1);
2321 }
2322 if ((frame_leftBand % 2) != 0) {
2323 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2324 exit(1);
2325 }
2326 if ((frame_leftBand) >= frame_width){
2327 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2328 exit(1);
2329 }
2330 frame_width -= frame_leftBand;
2331 }
2332
2333 static void opt_frame_crop_right(const char *arg)
2334 {
2335 frame_rightBand = atoi(arg);
2336 if (frame_rightBand < 0) {
2337 fprintf(stderr, "Incorrect right crop size\n");
2338 exit(1);
2339 }
2340 if ((frame_rightBand % 2) != 0) {
2341 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2342 exit(1);
2343 }
2344 if ((frame_rightBand) >= frame_width){
2345 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2346 exit(1);
2347 }
2348 frame_width -= frame_rightBand;
2349 }
2350
2351 static void opt_frame_size(const char *arg)
2352 {
2353 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2354 fprintf(stderr, "Incorrect frame size\n");
2355 exit(1);
2356 }
2357 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2358 fprintf(stderr, "Frame size must be a multiple of 2\n");
2359 exit(1);
2360 }
2361 }
2362
2363
2364 #define SCALEBITS 10
2365 #define ONE_HALF (1 << (SCALEBITS - 1))
2366 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2367
2368 #define RGB_TO_Y(r, g, b) \
2369 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2370 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2371
2372 #define RGB_TO_U(r1, g1, b1, shift)\
2373 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2374 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2375
2376 #define RGB_TO_V(r1, g1, b1, shift)\
2377 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2378 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2379
2380 static void opt_pad_color(const char *arg) {
2381 /* Input is expected to be six hex digits similar to
2382 how colors are expressed in html tags (but without the #) */
2383 int rgb = strtol(arg, NULL, 16);
2384 int r,g,b;
2385
2386 r = (rgb >> 16);
2387 g = ((rgb >> 8) & 255);
2388 b = (rgb & 255);
2389
2390 padcolor[0] = RGB_TO_Y(r,g,b);
2391 padcolor[1] = RGB_TO_U(r,g,b,0);
2392 padcolor[2] = RGB_TO_V(r,g,b,0);
2393 }
2394
2395 static void opt_frame_pad_top(const char *arg)
2396 {
2397 frame_padtop = atoi(arg);
2398 if (frame_padtop < 0) {
2399 fprintf(stderr, "Incorrect top pad size\n");
2400 exit(1);
2401 }
2402 if ((frame_padtop % 2) != 0) {
2403 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2404 exit(1);
2405 }
2406 }
2407
2408 static void opt_frame_pad_bottom(const char *arg)
2409 {
2410 frame_padbottom = atoi(arg);
2411 if (frame_padbottom < 0) {
2412 fprintf(stderr, "Incorrect bottom pad size\n");
2413 exit(1);
2414 }
2415 if ((frame_padbottom % 2) != 0) {
2416 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2417 exit(1);
2418 }
2419 }
2420
2421
2422 static void opt_frame_pad_left(const char *arg)
2423 {
2424 frame_padleft = atoi(arg);
2425 if (frame_padleft < 0) {
2426 fprintf(stderr, "Incorrect left pad size\n");
2427 exit(1);
2428 }
2429 if ((frame_padleft % 2) != 0) {
2430 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2431 exit(1);
2432 }
2433 }
2434
2435
2436 static void opt_frame_pad_right(const char *arg)
2437 {
2438 frame_padright = atoi(arg);
2439 if (frame_padright < 0) {
2440 fprintf(stderr, "Incorrect right pad size\n");
2441 exit(1);
2442 }
2443 if ((frame_padright % 2) != 0) {
2444 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2445 exit(1);
2446 }
2447 }
2448
2449
2450 static void opt_frame_pix_fmt(const char *arg)
2451 {
2452 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2453 }
2454
2455 static void opt_frame_aspect_ratio(const char *arg)
2456 {
2457 int x = 0, y = 0;
2458 double ar = 0;
2459 const char *p;
2460
2461 p = strchr(arg, ':');
2462 if (p) {
2463 x = strtol(arg, (char **)&arg, 10);
2464 if (arg == p)
2465 y = strtol(arg+1, (char **)&arg, 10);
2466 if (x > 0 && y > 0)
2467 ar = (double)x / (double)y;
2468 } else
2469 ar = strtod(arg, (char **)&arg);
2470
2471 if (!ar) {
2472 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2473 exit(1);
2474 }
2475 frame_aspect_ratio = ar;
2476 }
2477
2478 static void opt_gop_size(const char *arg)
2479 {
2480 gop_size = atoi(arg);
2481 }
2482
2483 static void opt_b_frames(const char *arg)
2484 {
2485 b_frames = atoi(arg);
2486 if (b_frames > FF_MAX_B_FRAMES) {
2487 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
2488 exit(1);
2489 } else if (b_frames < 1) {
2490 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
2491 exit(1);
2492 }
2493 }
2494
2495 static void opt_pre_me(const char *arg)
2496 {
2497 pre_me = atoi(arg);
2498 }
2499
2500 static void opt_qscale(const char *arg)
2501 {
2502 video_qscale = atof(arg);
2503 if (video_qscale < 0.01 ||
2504 video_qscale > 255) {
2505 fprintf(stderr, "qscale must be >= 0.01 and <= 255\n");
2506 exit(1);
2507 }
2508 }
2509
2510 static void opt_qsquish(const char *arg)
2511 {
2512 video_qsquish = atof(arg);
2513 if (video_qsquish < 0.0 ||
2514 video_qsquish > 99.0) {
2515 fprintf(stderr, "qsquish must be >= 0.0 and <= 99.0\n");
2516 exit(1);
2517 }
2518 }
2519
2520 static void opt_lmax(const char *arg)
2521 {
2522 video_lmax = atof(arg)*FF_QP2LAMBDA;
2523 }
2524
2525 static void opt_lmin(const char *arg)
2526 {
2527 video_lmin = atof(arg)*FF_QP2LAMBDA;
2528 }
2529
2530 static void opt_qmin(const char *arg)
2531 {
2532 video_qmin = atoi(arg);
2533 if (video_qmin < 1 ||
2534 video_qmin > 51) {
2535 fprintf(stderr, "qmin must be >= 1 and <= 51\n");
2536 exit(1);
2537 }
2538 }
2539
2540 static void opt_qmax(const char *arg)
2541 {
2542 video_qmax = atoi(arg);
2543 if (video_qmax < 1 ||
2544 video_qmax > 51) {
2545 fprintf(stderr, "qmax must be >= 1 and <= 51\n");
2546 exit(1);
2547 }
2548 }
2549
2550 static void opt_mb_lmin(const char *arg)
2551 {
2552 video_mb_lmin = atof(arg)*FF_QP2LAMBDA;
2553 if (video_mb_lmin < 1 ||
2554 video_mb_lmin > FF_LAMBDA_MAX) {
2555 fprintf(stderr, "mblmin must be >= 1 and <= %d\n", FF_LAMBDA_MAX / FF_QP2LAMBDA);
2556 exit(1);
2557 }
2558 }
2559
2560 static void opt_mb_lmax(const char *arg)
2561 {
2562 video_mb_lmax = atof(arg)*FF_QP2LAMBDA;
2563 if (video_mb_lmax < 1 ||
2564 video_mb_lmax > FF_LAMBDA_MAX) {
2565 fprintf(stderr, "mblmax must be >= 1 and <= %d\n", FF_LAMBDA_MAX / FF_QP2LAMBDA);
2566 exit(1);
2567 }
2568 }
2569
2570 static void opt_qdiff(const char *arg)
2571 {
2572 video_qdiff = atoi(arg);
2573 if (video_qdiff < 0 ||
2574 video_qdiff > 31) {
2575 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2576 exit(1);
2577 }
2578 }
2579
2580 static void opt_qblur(const char *arg)
2581 {
2582 video_qblur = atof(arg);
2583 }
2584
2585 static void opt_qcomp(const char *arg)
2586 {
2587 video_qcomp = atof(arg);
2588 }
2589
2590 static void opt_rc_initial_cplx(const char *arg)
2591 {
2592 video_rc_initial_cplx = atof(arg);
2593 }
2594 static void opt_b_qfactor(const char *arg)
2595 {
2596 video_b_qfactor = atof(arg);
2597 }
2598 static void opt_i_qfactor(const char *arg)
2599 {
2600 video_i_qfactor = atof(arg);
2601 }
2602 static void opt_b_qoffset(const char *arg)
2603 {
2604 video_b_qoffset = atof(arg);
2605 }
2606 static void opt_i_qoffset(const char *arg)
2607 {
2608 video_i_qoffset = atof(arg);
2609 }
2610
2611 static void opt_ibias(const char *arg)
2612 {
2613 video_intra_quant_bias = atoi(arg);
2614 }
2615 static void opt_pbias(const char *arg)
2616 {
2617 video_inter_quant_bias = atoi(arg);
2618 }
2619
2620 static void opt_packet_size(const char *arg)
2621 {
2622 packet_size= atoi(arg);
2623 }
2624
2625 static void opt_error_rate(const char *arg)
2626 {
2627 error_rate= atoi(arg);
2628 }
2629
2630 static void opt_strict(const char *arg)
2631 {
2632 strict= atoi(arg);
2633 }
2634
2635 static void opt_top_field_first(const char *arg)
2636 {
2637 top_field_first= atoi(arg);
2638 }
2639
2640 static void opt_sc_threshold(const char *arg)
2641 {
2642 sc_threshold= atoi(arg);
2643 }
2644
2645 static void opt_me_range(const char *arg)
2646 {
2647 me_range = atoi(arg);
2648 }
2649
2650 static void opt_thread_count(const char *arg)
2651 {
2652 thread_count= atoi(arg);
2653 #if !defined(HAVE_THREADS)
2654 if (verbose >= 0)
2655 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2656 #endif
2657 }
2658
2659 static void opt_audio_bitrate(const char *arg)
2660 {
2661 audio_bit_rate = atoi(arg) * 1000;
2662 }
2663
2664 static void opt_audio_rate(const char *arg)
2665 {
2666 audio_sample_rate = atoi(arg);
2667 }
2668
2669 static void opt_audio_channels(const char *arg)
2670 {
2671 audio_channels = atoi(arg);
2672 }
2673
2674 static void opt_video_device(const char *arg)
2675 {
2676 video_device = av_strdup(arg);
2677 }
2678
2679 static void opt_grab_device(const char *arg)
2680 {
2681 grab_device = av_strdup(arg);
2682 }
2683
2684 static void opt_video_channel(const char *arg)
2685 {
2686 video_channel = strtol(arg, NULL, 0);
2687 }
2688
2689 static void opt_video_standard(const char *arg)
2690 {
2691 video_standard = av_strdup(arg);
2692 }
2693
2694 static void opt_audio_device(const char *arg)
2695 {
2696 audio_device = av_strdup(arg);
2697 }
2698
2699 static void opt_codec(int *pstream_copy, int *pcodec_id,
2700 int codec_type, const char *arg)
2701 {
2702 AVCodec *p;
2703
2704 if (!strcmp(arg, "copy")) {
2705 *pstream_copy = 1;
2706 } else {
2707 p = first_avcodec;
2708 while (p) {
2709 if (!strcmp(p->name, arg) && p->type == codec_type)
2710 break;
2711 p = p->next;
2712 }
2713 if (p == NULL) {
2714 fprintf(stderr, "Unknown codec '%s'\n", arg);
2715 exit(1);
2716 } else {
2717 *pcodec_id = p->id;
2718 }
2719 }
2720 }
2721
2722 static void opt_audio_codec(const char *arg)
2723 {
2724 opt_codec(&audio_stream_copy, &audio_codec_id, CODEC_TYPE_AUDIO, arg);
2725 }
2726
2727 static void opt_audio_tag(const char *arg)
2728 {
2729 char *tail;
2730 audio_codec_tag= strtol(arg, &tail, 0);
2731
2732 if(!tail || *tail)
2733 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2734 }
2735
2736 static void opt_video_tag(const char *arg)
2737 {
2738 char *tail;
2739 video_codec_tag= strtol(arg, &tail, 0);
2740
2741 if(!tail || *tail)
2742 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2743 }
2744
2745 static void add_frame_hooker(const char *arg)
2746 {
2747 int argc = 0;
2748 char *argv[64];
2749 int i;
2750 char *args = av_strdup(arg);
2751
2752 using_vhook = 1;
2753
2754 argv[0] = strtok(args, " ");
2755 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2756 }
2757
2758 i = frame_hook_add(argc, argv);
2759
2760 if (i != 0) {
2761 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2762 exit(1);
2763 }
2764 }
2765
2766 const char *motion_str[] = {
2767 "zero",
2768 "full",
2769 "log",
2770 "phods",
2771 "epzs",
2772 "x1",
2773 "hex",
2774 "umh",
2775 "iter",
2776 NULL,
2777 };
2778
2779 static void opt_motion_estimation(const char *arg)
2780 {
2781 const char **p;
2782 p = motion_str;
2783 for(;;) {
2784 if (!*p) {
2785 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2786 exit(1);
2787 }
2788 if (!strcmp(*p, arg))
2789 break;
2790 p++;
2791 }
2792 me_method = (p - motion_str) + 1;
2793 }
2794
2795 static void opt_video_codec(const char *arg)
2796 {
2797 opt_codec(&video_stream_copy, &video_codec_id, CODEC_TYPE_VIDEO, arg);
2798 }
2799
2800 static void opt_subtitle_codec(const char *arg)
2801 {
2802 opt_codec(&subtitle_stream_copy, &subtitle_codec_id, CODEC_TYPE_SUBTITLE, arg);
2803 }
2804
2805 static void opt_map(const char *arg)
2806 {
2807 AVStreamMap *m;
2808 const char *p;
2809
2810 p = arg;
2811 m = &stream_maps[nb_stream_maps++];
2812
2813 m->file_index = strtol(arg, (char **)&p, 0);
2814 if (*p)
2815 p++;
2816
2817 m->stream_index = strtol(p, (char **)&p, 0);
2818 if (*p) {
2819 p++;
2820 m->sync_file_index = strtol(p, (char **)&p, 0);
2821 if (*p)
2822 p++;
2823 m->sync_stream_index = strtol(p, (char **)&p, 0);
2824 } else {
2825 m->sync_file_index = m->file_index;
2826 m->sync_stream_index = m->stream_index;
2827 }
2828 }
2829
2830 static void opt_map_meta_data(const char *arg)
2831 {
2832 AVMetaDataMap *m;
2833 const char *p;
2834
2835 p = arg;
2836 m = &meta_data_maps[nb_meta_data_maps++];
2837
2838 m->out_file = strtol(arg, (char **)&p, 0);
2839 if (*p)
2840 p++;
2841
2842 m->in_file = strtol(p, (char **)&p, 0);
2843 }
2844
2845 static void opt_recording_time(const char *arg)
2846 {
2847 recording_time = parse_date(arg, 1);
2848 }
2849
2850 static void opt_start_time(const char *arg)
2851 {
2852 start_time = parse_date(arg, 1);
2853 }
2854
2855 static void opt_rec_timestamp(const char *arg)
2856 {
2857 rec_timestamp = parse_date(arg, 0) / 1000000;
2858 }
2859
2860 static void opt_input_ts_offset(const char *arg)
2861 {
2862 input_ts_offset = parse_date(arg, 1);
2863 }
2864
2865 static void opt_input_file(const char *filename)
2866 {
2867 AVFormatContext *ic;
2868 AVFormatParameters params, *ap = &params;
2869 int err, i, ret, rfps, rfps_base;
2870 int64_t timestamp;
2871
2872 if (!strcmp(filename, "-"))
2873 filename = "pipe:";
2874
2875 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2876 !strcmp( filename, "/dev/stdin" );
2877
2878 /* get default parameters from command line */
2879 memset(ap, 0, sizeof(*ap));
2880 ap->sample_rate = audio_sample_rate;
2881 ap->channels = audio_channels;
2882 ap->time_base.den = frame_rate;
2883 ap->time_base.num = frame_rate_base;
2884 ap->width = frame_width + frame_padleft + frame_padright;
2885 ap->height = frame_height + frame_padtop + frame_padbottom;
2886 ap->image_format = image_format;
2887 ap->pix_fmt = frame_pix_fmt;
2888 ap->device = grab_device;
2889 ap->channel = video_channel;
2890 ap->standard = video_standard;
2891 ap->video_codec_id = video_codec_id;
2892 ap->audio_codec_id = audio_codec_id;
2893 if(pgmyuv_compatibility_hack)
2894 ap->video_codec_id= CODEC_ID_PGMYUV;
2895
2896 /* open the input file with generic libav function */
2897 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2898 if (err < 0) {
2899 print_error(filename, err);
2900 exit(1);
2901 }
2902
2903 if(genpts)
2904 ic->flags|= AVFMT_FLAG_GENPTS;
2905
2906 /* If not enough info to get the stream parameters, we decode the
2907 first frames to get it. (used in mpeg case for example) */
2908 ret = av_find_stream_info(ic);
2909 if (ret < 0 && verbose >= 0) {
2910 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2911 exit(1);
2912 }
2913
2914 timestamp = start_time;
2915 /* add the stream start time */
2916 if (ic->start_time != AV_NOPTS_VALUE)
2917 timestamp += ic->start_time;
2918
2919 /* if seeking requested, we execute it */
2920 if (start_time != 0) {
2921 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2922 if (ret < 0) {
2923 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2924 filename, (double)timestamp / AV_TIME_BASE);
2925 }
2926 /* reset seek info */
2927 start_time = 0;
2928 }
2929
2930 /* update the current parameters so that they match the one of the input stream */
2931 for(i=0;i<ic->nb_streams;i++) {
2932 int j;
2933 AVCodecContext *enc = ic->streams[i]->codec;
2934 #if defined(HAVE_THREADS)
2935 if(thread_count>1)
2936 avcodec_thread_init(enc, thread_count);
2937 #endif
2938 enc->thread_count= thread_count;
2939 switch(enc->codec_type) {
2940 case CODEC_TYPE_AUDIO:
2941 for(j=0; j<opt_name_count; j++){
2942 AVOption *opt;
2943 double d= av_get_double(avctx_opts, opt_names[j], &opt);
2944 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2945 av_set_double(enc, opt_names[j], d);
2946 }
2947 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2948 audio_channels = enc->channels;
2949 audio_sample_rate = enc->sample_rate;
2950 if(audio_disable)
2951 ic->streams[i]->discard= AVDISCARD_ALL;
2952 break;
2953 case CODEC_TYPE_VIDEO:
2954 for(j=0; j<opt_name_count; j++){
2955 AVOption *opt;
2956 double d= av_get_double(avctx_opts, opt_names[j], &opt);
2957 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2958 av_set_double(enc, opt_names[j], d);
2959 }
2960 frame_height = enc->height;
2961 frame_width = enc->width;
2962 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2963 frame_pix_fmt = enc->pix_fmt;
2964 rfps = ic->streams[i]->r_frame_rate.num;
2965 rfps_base = ic->streams[i]->r_frame_rate.den;
2966 enc->workaround_bugs = workaround_bugs;
2967 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2968 if(me_threshold)
2969 enc->debug |= FF_DEBUG_MV;
2970
2971 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2972
2973 if (verbose >= 0)
2974 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2975 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2976
2977 (float)rfps / rfps_base, rfps, rfps_base);
2978 }
2979 /* update the current frame rate to match the stream frame rate */
2980 frame_rate = rfps;
2981 frame_rate_base = rfps_base;
2982
2983 enc->rate_emu = rate_emu;
2984 if(video_disable)
2985 ic->streams[i]->discard= AVDISCARD_ALL;
2986 else if(video_discard)
2987 ic->streams[i]->discard= video_discard;
2988 break;
2989 case CODEC_TYPE_DATA:
2990 break;
2991 case CODEC_TYPE_SUBTITLE:
2992 break;
2993 case CODEC_TYPE_UNKNOWN:
2994 break;
2995 default:
2996 av_abort();
2997 }
2998 }
2999
3000 input_files[nb_input_files] = ic;
3001 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3002 /* dump the file content */
3003 if (verbose >= 0)
3004 dump_format(ic, nb_input_files, filename, 0);
3005
3006 nb_input_files++;
3007 file_iformat = NULL;
3008 file_oformat = NULL;
3009 image_format = NULL;
3010
3011 grab_device = NULL;
3012 video_channel = 0;
3013
3014 rate_emu = 0;
3015 }
3016
3017 static void opt_grab(const char *arg)
3018 {
3019 file_iformat = av_find_input_format(arg);
3020 opt_input_file("");
3021 }
3022
3023 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
3024 {
3025 int has_video, has_audio, i, j;
3026 AVFormatContext *ic;
3027
3028 has_video = 0;
3029 has_audio = 0;
3030 for(j=0;j<nb_input_files;j++) {
3031 ic = input_files[j];
3032 for(i=0;i<ic->nb_streams;i++) {
3033 AVCodecContext *enc = ic->streams[i]->codec;
3034 switch(enc->codec_type) {
3035 case CODEC_TYPE_AUDIO:
3036 has_audio = 1;
3037 break;
3038 case CODEC_TYPE_VIDEO:
3039 has_video = 1;
3040 break;
3041 case CODEC_TYPE_DATA:
3042 case CODEC_TYPE_UNKNOWN:
3043 case CODEC_TYPE_SUBTITLE:
3044 break;
3045 default:
3046 av_abort();
3047 }
3048 }
3049 }
3050 *has_video_ptr = has_video;
3051 *has_audio_ptr = has_audio;
3052 }
3053
3054 static void new_video_stream(AVFormatContext *oc)
3055 {
3056 AVStream *st;
3057 AVCodecContext *video_enc;
3058 int codec_id;
3059
3060 st = av_new_stream(oc, oc->nb_streams);
3061 if (!st) {
3062 fprintf(stderr, "Could not alloc stream\n");
3063 exit(1);
3064 }
3065 #if defined(HAVE_THREADS)
3066 if(thread_count>1)
3067 avcodec_thread_init(st->codec, thread_count);
3068 #endif
3069
3070 video_enc = st->codec;
3071
3072 if(video_codec_tag)
3073 video_enc->codec_tag= video_codec_tag;
3074
3075 if( (video_global_header&1)
3076 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3077 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3078 avctx_opts->flags|= CODEC_FLAG_GLOBAL_HEADER;
3079 }
3080 if(video_global_header&2){
3081 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3082 avctx_opts->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3083 }
3084
3085 if (video_stream_copy) {
3086 st->stream_copy = 1;
3087 video_enc->codec_type = CODEC_TYPE_VIDEO;
3088 } else {
3089 char *p;
3090 int i;
3091 AVCodec *codec;
3092
3093 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3094 if (video_codec_id != CODEC_ID_NONE)
3095 codec_id = video_codec_id;
3096
3097 video_enc->codec_id = codec_id;
3098 codec = avcodec_find_encoder(codec_id);
3099
3100 for(i=0; i<opt_name_count; i++){
3101 AVOption *opt;
3102 double d= av_get_double(avctx_opts, opt_names[i], &opt);
3103 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3104 av_set_double(video_enc, opt_names[i], d);
3105 }
3106
3107 video_enc->bit_rate = video_bit_rate;
3108 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
3109 video_enc->time_base.den = frame_rate;
3110 video_enc->time_base.num = frame_rate_base;
3111 if(codec && codec->supported_framerates){
3112 const AVRational *p= codec->supported_framerates;
3113 AVRational req= (AVRational){frame_rate, frame_rate_base};
3114 const AVRational *best=NULL;
3115 AVRational best_error= (AVRational){INT_MAX, 1};
3116 for(; p->den!=0; p++){
3117 AVRational error= av_sub_q(req, *p);
3118 if(error.num <0) error.num *= -1;
3119 if(av_cmp_q(error, best_error) < 0){
3120 best_error= error;
3121 best= p;
3122 }
3123 }
3124 video_enc->time_base.den= best->num;
3125 video_enc->time_base.num= best->den;
3126 }
3127
3128 video_enc->width = frame_width + frame_padright + frame_padleft;
3129 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3130 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3131 video_enc->pix_fmt = frame_pix_fmt;
3132
3133 if(codec && codec->pix_fmts){
3134 const enum PixelFormat *p= codec->pix_fmts;
3135 for(; *p!=-1; p++){
3136 if(*p == video_enc->pix_fmt)
3137 break;
3138 }
3139 if(*p == -1)
3140 video_enc->pix_fmt = codec->pix_fmts[0];
3141 }
3142
3143 if (!intra_only)
3144 video_enc->gop_size = gop_size;
3145 else
3146 video_enc->gop_size = 0;
3147 if (video_qscale || same_quality) {
3148 video_enc->flags |= CODEC_FLAG_QSCALE;
3149 video_enc->global_quality=
3150 st->quality = FF_QP2LAMBDA * video_qscale;
3151 }
3152
3153 if(intra_matrix)
3154 video_enc->intra_matrix = intra_matrix;
3155 if(inter_matrix)
3156 video_enc->inter_matrix = inter_matrix;
3157
3158 video_enc->pre_me = pre_me;
3159
3160 if (b_frames) {
3161 video_enc->max_b_frames = b_frames;
3162 video_enc->b_quant_factor = 2.0;
3163 }
3164 video_enc->qmin = video_qmin;
3165 video_enc->qmax = video_qmax;
3166 video_enc->lmin = video_lmin;
3167 video_enc->lmax = video_lmax;
3168 video_enc->rc_qsquish = video_qsquish;
3169 video_enc->mb_lmin = video_mb_lmin;
3170 video_enc->mb_lmax = video_mb_lmax;
3171 video_enc->max_qdiff = video_qdiff;
3172 video_enc->qblur = video_qblur;
3173 video_enc->qcompress = video_qcomp;
3174 video_enc->rc_eq = video_rc_eq;
3175 video_enc->workaround_bugs = workaround_bugs;
3176 video_enc->thread_count = thread_count;
3177 p= video_rc_override_string;
3178 for(i=0; p; i++){
3179 int start, end, q;
3180 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3181 if(e!=3){
3182 fprintf(stderr, "error parsing rc_override\n");
3183 exit(1);
3184 }
3185 video_enc->rc_override=
3186 av_realloc(video_enc->rc_override,
3187 sizeof(RcOverride)*(i+1));
3188 video_enc->rc_override[i].start_frame= start;
3189 video_enc->rc_override[i].end_frame = end;
3190 if(q>0){
3191 video_enc->rc_override[i].qscale= q;
3192 video_enc->rc_override[i].quality_factor= 1.0;
3193 }
3194 else{
3195 video_enc->rc_override[i].qscale= 0;
3196 video_enc->rc_override[i].quality_factor= -q/100.0;
3197 }
3198 p= strchr(p, '/');
3199 if(p) p++;
3200 }
3201 video_enc->rc_override_count=i;
3202
3203 video_enc->rc_max_rate = video_rc_max_rate;
3204 video_enc->rc_min_rate = video_rc_min_rate;
3205 video_enc->rc_buffer_size = video_rc_buffer_size;
3206 video_enc->rc_initial_buffer_occupancy = video_rc_buffer_size*3/4;
3207 video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
3208 video_enc->rc_initial_cplx= video_rc_initial_cplx;
3209 video_enc->i_quant_factor = video_i_qfactor;
3210 video_enc->b_quant_factor = video_b_qfactor;
3211 video_enc->i_quant_offset = video_i_qoffset;
3212 video_enc->b_quant_offset = video_b_qoffset;
3213 video_enc->intra_quant_bias = video_intra_quant_bias;
3214 video_enc->inter_quant_bias = video_inter_quant_bias;
3215 video_enc->me_threshold= me_threshold;
3216 video_enc->mb_threshold= mb_threshold;
3217 video_enc->intra_dc_precision= intra_dc_precision - 8;
3218 video_enc->strict_std_compliance = strict;
3219 video_enc->error_rate = error_rate;
3220 video_enc->scenechange_threshold= sc_threshold;
3221 video_enc->me_range = me_range;
3222 video_enc->me_penalty_compensation= me_penalty_compensation;
3223 video_enc->frame_skip_threshold= frame_skip_threshold;
3224 video_enc->frame_skip_factor= frame_skip_factor;
3225 video_enc->frame_skip_exp= frame_skip_exp;
3226
3227 if(packet_size){
3228 video_enc->rtp_mode= 1;
3229 video_enc->rtp_payload_size= packet_size;
3230 }
3231
3232 if (do_psnr)
3233 video_enc->flags|= CODEC_FLAG_PSNR;
3234
3235 video_enc->me_method = me_method;
3236
3237 /* two pass mode */
3238 if (do_pass) {
3239 if (do_pass == 1) {
3240 video_enc->flags |= CODEC_FLAG_PASS1;
3241 } else {
3242 video_enc->flags |= CODEC_FLAG_PASS2;
3243 }
3244 }
3245 }
3246
3247 /* reset some key parameters */
3248 video_disable = 0;
3249 video_codec_id = CODEC_ID_NONE;
3250 video_stream_copy = 0;
3251 }
3252
3253 static void new_audio_stream(AVFormatContext *oc)
3254 {
3255 AVStream *st;
3256 AVCodecContext *audio_enc;
3257 int codec_id, i;
3258
3259 st = av_new_stream(oc, oc->nb_streams);
3260 if (!st) {
3261 fprintf(stderr, "Could not alloc stream\n");
3262 exit(1);
3263 }
3264 #if defined(HAVE_THREADS)
3265 if(thread_count>1)
3266 avcodec_thread_init(st->codec, thread_count);
3267 #endif
3268
3269 audio_enc = st->codec;
3270 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3271
3272 if(audio_codec_tag)
3273 audio_enc->codec_tag= audio_codec_tag;