new opensource lossy/lossless audio codec based on speech compression techniques...
[libav.git] / ffmpeg.c
1 /*
2 * FFmpeg main
3 * Copyright (c) 2000-2003 Fabrice Bellard
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19 #define HAVE_AV_CONFIG_H
20 #include <limits.h>
21 #include "avformat.h"
22 #include "framehook.h"
23 #include "dsputil.h"
24
25 #ifndef CONFIG_WIN32
26 #include <unistd.h>
27 #include <fcntl.h>
28 #include <sys/ioctl.h>
29 #include <sys/time.h>
30 #include <termios.h>
31 #include <sys/resource.h>
32 #include <signal.h>
33 #endif
34 #ifdef CONFIG_OS2
35 #include <sys/types.h>
36 #include <sys/select.h>
37 #include <stdlib.h>
38 #endif
39 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
40 #include <time.h>
41
42 #include "cmdutils.h"
43
44 #if !defined(INFINITY) && defined(HUGE_VAL)
45 #define INFINITY HUGE_VAL
46 #endif
47
48 /* select an input stream for an output stream */
49 typedef struct AVStreamMap {
50 int file_index;
51 int stream_index;
52 } AVStreamMap;
53
54 /** select an input file for an output file */
55 typedef struct AVMetaDataMap {
56 int out_file;
57 int in_file;
58 } AVMetaDataMap;
59
60 extern const OptionDef options[];
61
62 static void show_help(void);
63 static void show_license(void);
64
65 #define MAX_FILES 20
66
67 static AVFormatContext *input_files[MAX_FILES];
68 static int64_t input_files_ts_offset[MAX_FILES];
69 static int nb_input_files = 0;
70
71 static AVFormatContext *output_files[MAX_FILES];
72 static int nb_output_files = 0;
73
74 static AVStreamMap stream_maps[MAX_FILES];
75 static int nb_stream_maps;
76
77 static AVMetaDataMap meta_data_maps[MAX_FILES];
78 static int nb_meta_data_maps;
79
80 static AVInputFormat *file_iformat;
81 static AVOutputFormat *file_oformat;
82 static AVImageFormat *image_format;
83 static int frame_width = 160;
84 static int frame_height = 128;
85 static float frame_aspect_ratio = 0;
86 static enum PixelFormat frame_pix_fmt = PIX_FMT_YUV420P;
87 static int frame_padtop = 0;
88 static int frame_padbottom = 0;
89 static int frame_padleft = 0;
90 static int frame_padright = 0;
91 static int padcolor[3] = {16,128,128}; /* default to black */
92 static int frame_topBand = 0;
93 static int frame_bottomBand = 0;
94 static int frame_leftBand = 0;
95 static int frame_rightBand = 0;
96 static int frame_rate = 25;
97 static int frame_rate_base = 1;
98 static int video_bit_rate = 200*1000;
99 static int video_bit_rate_tolerance = 4000*1000;
100 static float video_qscale = 0;
101 static int video_qmin = 2;
102 static int video_qmax = 31;
103 static int video_lmin = 2*FF_QP2LAMBDA;
104 static int video_lmax = 31*FF_QP2LAMBDA;
105 static int video_mb_qmin = 2;
106 static int video_mb_qmax = 31;
107 static int video_qdiff = 3;
108 static float video_qblur = 0.5;
109 static float video_qcomp = 0.5;
110 static uint16_t *intra_matrix = NULL;
111 static uint16_t *inter_matrix = NULL;
112 #if 0 //experimental, (can be removed)
113 static float video_rc_qsquish=1.0;
114 static float video_rc_qmod_amp=0;
115 static int video_rc_qmod_freq=0;
116 #endif
117 static char *video_rc_override_string=NULL;
118 static char *video_rc_eq="tex^qComp";
119 static int video_rc_buffer_size=0;
120 static float video_rc_buffer_aggressivity=1.0;
121 static int video_rc_max_rate=0;
122 static int video_rc_min_rate=0;
123 static float video_rc_initial_cplx=0;
124 static float video_b_qfactor = 1.25;
125 static float video_b_qoffset = 1.25;
126 static float video_i_qfactor = -0.8;
127 static float video_i_qoffset = 0.0;
128 static int video_intra_quant_bias= FF_DEFAULT_QUANT_BIAS;
129 static int video_inter_quant_bias= FF_DEFAULT_QUANT_BIAS;
130 static int me_method = ME_EPZS;
131 static int video_disable = 0;
132 static int video_codec_id = CODEC_ID_NONE;
133 static int same_quality = 0;
134 static int b_frames = 0;
135 static int mb_decision = FF_MB_DECISION_SIMPLE;
136 static int ildct_cmp = FF_CMP_VSAD;
137 static int mb_cmp = FF_CMP_SAD;
138 static int sub_cmp = FF_CMP_SAD;
139 static int cmp = FF_CMP_SAD;
140 static int pre_cmp = FF_CMP_SAD;
141 static int pre_me = 0;
142 static float lumi_mask = 0;
143 static float dark_mask = 0;
144 static float scplx_mask = 0;
145 static float tcplx_mask = 0;
146 static float p_mask = 0;
147 static int use_4mv = 0;
148 static int use_obmc = 0;
149 static int use_loop = 0;
150 static int use_aic = 0;
151 static int use_aiv = 0;
152 static int use_umv = 0;
153 static int use_ss = 0;
154 static int use_alt_scan = 0;
155 static int use_trell = 0;
156 static int use_scan_offset = 0;
157 static int use_qpel = 0;
158 static int use_qprd = 0;
159 static int use_cbprd = 0;
160 static int qns = 0;
161 static int closed_gop = 0;
162 static int do_deinterlace = 0;
163 static int do_interlace_dct = 0;
164 static int do_interlace_me = 0;
165 static int workaround_bugs = FF_BUG_AUTODETECT;
166 static int error_resilience = 2;
167 static int error_concealment = 3;
168 static int dct_algo = 0;
169 static int idct_algo = 0;
170 static int use_part = 0;
171 static int packet_size = 0;
172 static int error_rate = 0;
173 static int strict = 0;
174 static int top_field_first = -1;
175 static int noise_reduction = 0;
176 static int sc_threshold = 0;
177 static int debug = 0;
178 static int debug_mv = 0;
179 static int me_threshold = 0;
180 static int mb_threshold = 0;
181 static int intra_dc_precision = 8;
182 static int coder = 0;
183 static int context = 0;
184 static int predictor = 0;
185 static int video_profile = FF_PROFILE_UNKNOWN;
186 static int video_level = FF_LEVEL_UNKNOWN;
187 extern int loop_input; /* currently a hack */
188
189 static int gop_size = 12;
190 static int intra_only = 0;
191 static int audio_sample_rate = 44100;
192 static int audio_bit_rate = 64000;
193 static int audio_disable = 0;
194 static int audio_channels = 1;
195 static int audio_codec_id = CODEC_ID_NONE;
196
197 static int64_t recording_time = 0;
198 static int64_t start_time = 0;
199 static int64_t rec_timestamp = 0;
200 static int64_t input_ts_offset = 0;
201 static int file_overwrite = 0;
202 static char *str_title = NULL;
203 static char *str_author = NULL;
204 static char *str_copyright = NULL;
205 static char *str_comment = NULL;
206 static int do_benchmark = 0;
207 static int do_hex_dump = 0;
208 static int do_pkt_dump = 0;
209 static int do_psnr = 0;
210 static int do_vstats = 0;
211 static int do_pass = 0;
212 static int bitexact = 0;
213 static char *pass_logfilename = NULL;
214 static int audio_stream_copy = 0;
215 static int video_stream_copy = 0;
216 static int video_sync_method= 1;
217 static int audio_sync_method= 0;
218 static int copy_ts= 0;
219
220 static int rate_emu = 0;
221
222 static char *video_grab_format = "video4linux";
223 static char *video_device = NULL;
224 static int video_channel = 0;
225 static char *video_standard = "ntsc";
226
227 static char *audio_grab_format = "audio_device";
228 static char *audio_device = NULL;
229
230 static int using_stdin = 0;
231 static int using_vhook = 0;
232 static int verbose = 1;
233 static int thread_count= 1;
234 static int q_pressed = 0;
235 static int me_range = 0;
236 static int64_t video_size = 0;
237 static int64_t audio_size = 0;
238 static int64_t extra_size = 0;
239 static int nb_frames_dup = 0;
240 static int nb_frames_drop = 0;
241 static int input_sync;
242
243 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
244
245 typedef struct AVOutputStream {
246 int file_index; /* file index */
247 int index; /* stream index in the output file */
248 int source_index; /* AVInputStream index */
249 AVStream *st; /* stream in the output file */
250 int encoding_needed; /* true if encoding needed for this stream */
251 int frame_number;
252 /* input pts and corresponding output pts
253 for A/V sync */
254 double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
255 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
256 /* video only */
257 int video_resample; /* video_resample and video_crop are mutually exclusive */
258 AVFrame pict_tmp; /* temporary image for resampling */
259 ImgReSampleContext *img_resample_ctx; /* for image resampling */
260
261 int video_crop; /* video_resample and video_crop are mutually exclusive */
262 int topBand; /* cropping area sizes */
263 int leftBand;
264
265 int video_pad; /* video_resample and video_pad are mutually exclusive */
266 int padtop; /* padding area sizes */
267 int padbottom;
268 int padleft;
269 int padright;
270
271 /* audio only */
272 int audio_resample;
273 ReSampleContext *resample; /* for audio resampling */
274 FifoBuffer fifo; /* for compression: one audio fifo per codec */
275 FILE *logfile;
276 } AVOutputStream;
277
278 typedef struct AVInputStream {
279 int file_index;
280 int index;
281 AVStream *st;
282 int discard; /* true if stream data should be discarded */
283 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
284 int64_t sample_index; /* current sample */
285
286 int64_t start; /* time when read started */
287 unsigned long frame; /* current frame */
288 int64_t next_pts; /* synthetic pts for cases where pkt.pts
289 is not defined */
290 int64_t pts; /* current pts */
291 int is_start; /* is 1 at the start and after a discontinuity */
292 } AVInputStream;
293
294 typedef struct AVInputFile {
295 int eof_reached; /* true if eof reached */
296 int ist_index; /* index of first stream in ist_table */
297 int buffer_size; /* current total buffer size */
298 int buffer_size_max; /* buffer size at which we consider we can stop
299 buffering */
300 int nb_streams; /* nb streams we are aware of */
301 } AVInputFile;
302
303 #ifndef CONFIG_WIN32
304
305 /* init terminal so that we can grab keys */
306 static struct termios oldtty;
307
308 static void term_exit(void)
309 {
310 tcsetattr (0, TCSANOW, &oldtty);
311 }
312
313 static volatile sig_atomic_t received_sigterm = 0;
314
315 static void
316 sigterm_handler(int sig)
317 {
318 received_sigterm = sig;
319 term_exit();
320 }
321
322 static void term_init(void)
323 {
324 struct termios tty;
325
326 tcgetattr (0, &tty);
327 oldtty = tty;
328
329 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
330 |INLCR|IGNCR|ICRNL|IXON);
331 tty.c_oflag |= OPOST;
332 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
333 tty.c_cflag &= ~(CSIZE|PARENB);
334 tty.c_cflag |= CS8;
335 tty.c_cc[VMIN] = 1;
336 tty.c_cc[VTIME] = 0;
337
338 tcsetattr (0, TCSANOW, &tty);
339
340 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
341 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
342 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
343 /*
344 register a function to be called at normal program termination
345 */
346 atexit(term_exit);
347 #ifdef CONFIG_BEOS_NETSERVER
348 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
349 #endif
350 }
351
352 /* read a key without blocking */
353 static int read_key(void)
354 {
355 int n = 1;
356 unsigned char ch;
357 #ifndef CONFIG_BEOS_NETSERVER
358 struct timeval tv;
359 fd_set rfds;
360
361 FD_ZERO(&rfds);
362 FD_SET(0, &rfds);
363 tv.tv_sec = 0;
364 tv.tv_usec = 0;
365 n = select(1, &rfds, NULL, NULL, &tv);
366 #endif
367 if (n > 0) {
368 n = read(0, &ch, 1);
369 if (n == 1)
370 return ch;
371
372 return n;
373 }
374 return -1;
375 }
376
377 static int decode_interrupt_cb(void)
378 {
379 return q_pressed || (q_pressed = read_key() == 'q');
380 }
381
382 #else
383
384 static volatile int received_sigterm = 0;
385
386 /* no interactive support */
387 static void term_exit(void)
388 {
389 }
390
391 static void term_init(void)
392 {
393 }
394
395 static int read_key(void)
396 {
397 return 0;
398 }
399
400 #endif
401
402 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
403 {
404 int i, err;
405 AVFormatContext *ic;
406
407 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
408 if (err < 0)
409 return err;
410 /* copy stream format */
411 s->nb_streams = ic->nb_streams;
412 for(i=0;i<ic->nb_streams;i++) {
413 AVStream *st;
414
415 st = av_mallocz(sizeof(AVStream));
416 memcpy(st, ic->streams[i], sizeof(AVStream));
417 s->streams[i] = st;
418 }
419
420 av_close_input_file(ic);
421 return 0;
422 }
423
424 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
425
426 static void do_audio_out(AVFormatContext *s,
427 AVOutputStream *ost,
428 AVInputStream *ist,
429 unsigned char *buf, int size)
430 {
431 uint8_t *buftmp;
432 static uint8_t *audio_buf = NULL;
433 static uint8_t *audio_out = NULL;
434 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
435
436 int size_out, frame_bytes, ret;
437 AVCodecContext *enc= &ost->st->codec;
438
439 /* SC: dynamic allocation of buffers */
440 if (!audio_buf)
441 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
442 if (!audio_out)
443 audio_out = av_malloc(audio_out_size);
444 if (!audio_buf || !audio_out)
445 return; /* Should signal an error ! */
446
447 if(audio_sync_method){
448 double delta = ost->sync_ipts * enc->sample_rate - ost->sync_opts
449 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2);
450 double idelta= delta*ist->st->codec.sample_rate / enc->sample_rate;
451 int byte_delta= ((int)idelta)*2*ist->st->codec.channels;
452
453 //FIXME resample delay
454 if(fabs(delta) > 50){
455 if(ist->is_start){
456 if(byte_delta < 0){
457 byte_delta= FFMAX(byte_delta, -size);
458 size += byte_delta;
459 buf -= byte_delta;
460 if(verbose > 2)
461 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
462 if(!size)
463 return;
464 ist->is_start=0;
465 }else{
466 static uint8_t *input_tmp= NULL;
467 input_tmp= av_realloc(input_tmp, byte_delta + size);
468
469 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
470 ist->is_start=0;
471 else
472 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
473
474 memset(input_tmp, 0, byte_delta);
475 memcpy(input_tmp + byte_delta, buf, size);
476 buf= input_tmp;
477 size += byte_delta;
478 if(verbose > 2)
479 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
480 }
481 }else if(audio_sync_method>1){
482 int comp= clip(delta, -audio_sync_method, audio_sync_method);
483 assert(ost->audio_resample);
484 if(verbose > 2)
485 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
486 fprintf(stderr, "drift:%f len:%d opts:%lld ipts:%lld fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(ost->sync_ipts * enc->sample_rate), fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2));
487 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
488 }
489 }
490 }else
491 ost->sync_opts= lrintf(ost->sync_ipts * enc->sample_rate)
492 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2); //FIXME wrong
493
494 if (ost->audio_resample) {
495 buftmp = audio_buf;
496 size_out = audio_resample(ost->resample,
497 (short *)buftmp, (short *)buf,
498 size / (ist->st->codec.channels * 2));
499 size_out = size_out * enc->channels * 2;
500 } else {
501 buftmp = buf;
502 size_out = size;
503 }
504
505 /* now encode as many frames as possible */
506 if (enc->frame_size > 1) {
507 /* output resampled raw samples */
508 fifo_write(&ost->fifo, buftmp, size_out,
509 &ost->fifo.wptr);
510
511 frame_bytes = enc->frame_size * 2 * enc->channels;
512
513 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
514 &ost->fifo.rptr) == 0) {
515 AVPacket pkt;
516 av_init_packet(&pkt);
517
518 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
519 (short *)audio_buf);
520 audio_size += ret;
521 pkt.stream_index= ost->index;
522 pkt.data= audio_out;
523 pkt.size= ret;
524 if(enc->coded_frame)
525 pkt.pts= enc->coded_frame->pts;
526 pkt.flags |= PKT_FLAG_KEY;
527 av_interleaved_write_frame(s, &pkt);
528
529 ost->sync_opts += enc->frame_size;
530 }
531 } else {
532 AVPacket pkt;
533 av_init_packet(&pkt);
534
535 ost->sync_opts += size_out / (2 * enc->channels);
536
537 /* output a pcm frame */
538 /* XXX: change encoding codec API to avoid this ? */
539 switch(enc->codec->id) {
540 case CODEC_ID_PCM_S16LE:
541 case CODEC_ID_PCM_S16BE:
542 case CODEC_ID_PCM_U16LE:
543 case CODEC_ID_PCM_U16BE:
544 break;
545 default:
546 size_out = size_out >> 1;
547 break;
548 }
549 ret = avcodec_encode_audio(enc, audio_out, size_out,
550 (short *)buftmp);
551 audio_size += ret;
552 pkt.stream_index= ost->index;
553 pkt.data= audio_out;
554 pkt.size= ret;
555 if(enc->coded_frame)
556 pkt.pts= enc->coded_frame->pts;
557 pkt.flags |= PKT_FLAG_KEY;
558 av_interleaved_write_frame(s, &pkt);
559 }
560 }
561
562 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
563 {
564 AVCodecContext *dec;
565 AVPicture *picture2;
566 AVPicture picture_tmp;
567 uint8_t *buf = 0;
568
569 dec = &ist->st->codec;
570
571 /* deinterlace : must be done before any resize */
572 if (do_deinterlace || using_vhook) {
573 int size;
574
575 /* create temporary picture */
576 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
577 buf = av_malloc(size);
578 if (!buf)
579 return;
580
581 picture2 = &picture_tmp;
582 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
583
584 if (do_deinterlace){
585 if(avpicture_deinterlace(picture2, picture,
586 dec->pix_fmt, dec->width, dec->height) < 0) {
587 /* if error, do not deinterlace */
588 av_free(buf);
589 buf = NULL;
590 picture2 = picture;
591 }
592 } else {
593 if (img_convert(picture2, dec->pix_fmt, picture,
594 dec->pix_fmt, dec->width, dec->height) < 0) {
595 /* if error, do not copy */
596 av_free(buf);
597 buf = NULL;
598 picture2 = picture;
599 }
600 }
601 } else {
602 picture2 = picture;
603 }
604
605 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
606
607 if (picture != picture2)
608 *picture = *picture2;
609 *bufp = buf;
610 }
611
612 /* we begin to correct av delay at this threshold */
613 #define AV_DELAY_MAX 0.100
614
615
616 /* Expects img to be yuv420 */
617 static void fill_pad_region(AVPicture* img, int height, int width,
618 int padtop, int padbottom, int padleft, int padright, int *color) {
619
620 int i, y, shift;
621 uint8_t *optr;
622
623 for (i = 0; i < 3; i++) {
624 shift = (i == 0) ? 0 : 1;
625
626 if (padtop || padleft) {
627 memset(img->data[i], color[i], (((img->linesize[i] * padtop) +
628 padleft) >> shift));
629 }
630
631 if (padleft || padright) {
632 optr = img->data[i] + (img->linesize[i] * (padtop >> shift)) +
633 (img->linesize[i] - (padright >> shift));
634
635 for (y = 0; y < ((height - (padtop + padbottom)) >> shift); y++) {
636 memset(optr, color[i], (padleft + padright) >> shift);
637 optr += img->linesize[i];
638 }
639 }
640
641 if (padbottom) {
642 optr = img->data[i] + (img->linesize[i] * ((height - padbottom) >> shift));
643 memset(optr, color[i], ((img->linesize[i] * padbottom) >> shift));
644 }
645 }
646 }
647
648 static uint8_t *bit_buffer= NULL;
649
650 static void do_video_out(AVFormatContext *s,
651 AVOutputStream *ost,
652 AVInputStream *ist,
653 AVFrame *in_picture,
654 int *frame_size)
655 {
656 int nb_frames, i, ret;
657 AVFrame *final_picture, *formatted_picture;
658 AVFrame picture_format_temp, picture_crop_temp;
659 uint8_t *buf = NULL, *buf1 = NULL;
660 AVCodecContext *enc, *dec;
661 enum PixelFormat target_pixfmt;
662
663 #define VIDEO_BUFFER_SIZE (1024*1024)
664
665 avcodec_get_frame_defaults(&picture_format_temp);
666 avcodec_get_frame_defaults(&picture_crop_temp);
667
668 enc = &ost->st->codec;
669 dec = &ist->st->codec;
670
671 /* by default, we output a single frame */
672 nb_frames = 1;
673
674 *frame_size = 0;
675
676 if(video_sync_method){
677 double vdelta;
678 vdelta = ost->sync_ipts * enc->frame_rate / enc->frame_rate_base - ost->sync_opts;
679 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
680 if (vdelta < -1.1)
681 nb_frames = 0;
682 else if (vdelta > 1.1)
683 nb_frames = lrintf(vdelta - 1.1 + 0.5);
684 //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);
685 if (nb_frames == 0){
686 ++nb_frames_drop;
687 if (verbose>2)
688 fprintf(stderr, "*** drop!\n");
689 }else if (nb_frames > 1) {
690 nb_frames_dup += nb_frames;
691 if (verbose>2)
692 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
693 }
694 }else
695 ost->sync_opts= lrintf(ost->sync_ipts * enc->frame_rate / enc->frame_rate_base);
696
697 if (nb_frames <= 0)
698 return;
699
700 /* convert pixel format if needed */
701 target_pixfmt = ost->video_resample || ost->video_pad
702 ? PIX_FMT_YUV420P : enc->pix_fmt;
703 if (dec->pix_fmt != target_pixfmt) {
704 int size;
705
706 /* create temporary picture */
707 size = avpicture_get_size(target_pixfmt, dec->width, dec->height);
708 buf = av_malloc(size);
709 if (!buf)
710 return;
711 formatted_picture = &picture_format_temp;
712 avpicture_fill((AVPicture*)formatted_picture, buf, target_pixfmt, dec->width, dec->height);
713
714 if (img_convert((AVPicture*)formatted_picture, target_pixfmt,
715 (AVPicture *)in_picture, dec->pix_fmt,
716 dec->width, dec->height) < 0) {
717
718 if (verbose >= 0)
719 fprintf(stderr, "pixel format conversion not handled\n");
720
721 goto the_end;
722 }
723 } else {
724 formatted_picture = in_picture;
725 }
726
727 /* XXX: resampling could be done before raw format conversion in
728 some cases to go faster */
729 /* XXX: only works for YUV420P */
730 if (ost->video_resample) {
731 final_picture = &ost->pict_tmp;
732 img_resample(ost->img_resample_ctx, (AVPicture*)final_picture, (AVPicture*)formatted_picture);
733
734 if (ost->padtop || ost->padbottom || ost->padleft || ost->padright) {
735 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
736 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
737 padcolor);
738 }
739
740 if (enc->pix_fmt != PIX_FMT_YUV420P) {
741 int size;
742
743 av_free(buf);
744 /* create temporary picture */
745 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
746 buf = av_malloc(size);
747 if (!buf)
748 return;
749 final_picture = &picture_format_temp;
750 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
751
752 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
753 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
754 enc->width, enc->height) < 0) {
755
756 if (verbose >= 0)
757 fprintf(stderr, "pixel format conversion not handled\n");
758
759 goto the_end;
760 }
761 }
762 } else if (ost->video_crop) {
763 picture_crop_temp.data[0] = formatted_picture->data[0] +
764 (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
765
766 picture_crop_temp.data[1] = formatted_picture->data[1] +
767 ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
768 (ost->leftBand >> 1);
769
770 picture_crop_temp.data[2] = formatted_picture->data[2] +
771 ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
772 (ost->leftBand >> 1);
773
774 picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
775 picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
776 picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
777 final_picture = &picture_crop_temp;
778 } else if (ost->video_pad) {
779 final_picture = &ost->pict_tmp;
780
781 for (i = 0; i < 3; i++) {
782 uint8_t *optr, *iptr;
783 int shift = (i == 0) ? 0 : 1;
784 int y, yheight;
785
786 /* set offset to start writing image into */
787 optr = final_picture->data[i] + (((final_picture->linesize[i] *
788 ost->padtop) + ost->padleft) >> shift);
789 iptr = formatted_picture->data[i];
790
791 yheight = (enc->height - ost->padtop - ost->padbottom) >> shift;
792 for (y = 0; y < yheight; y++) {
793 /* copy unpadded image row into padded image row */
794 memcpy(optr, iptr, formatted_picture->linesize[i]);
795 optr += final_picture->linesize[i];
796 iptr += formatted_picture->linesize[i];
797 }
798 }
799
800 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
801 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
802 padcolor);
803
804 if (enc->pix_fmt != PIX_FMT_YUV420P) {
805 int size;
806
807 av_free(buf);
808 /* create temporary picture */
809 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
810 buf = av_malloc(size);
811 if (!buf)
812 return;
813 final_picture = &picture_format_temp;
814 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
815
816 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
817 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
818 enc->width, enc->height) < 0) {
819
820 if (verbose >= 0)
821 fprintf(stderr, "pixel format conversion not handled\n");
822
823 goto the_end;
824 }
825 }
826 } else {
827 final_picture = formatted_picture;
828 }
829 /* duplicates frame if needed */
830 for(i=0;i<nb_frames;i++) {
831 AVPacket pkt;
832 av_init_packet(&pkt);
833 pkt.stream_index= ost->index;
834
835 if (s->oformat->flags & AVFMT_RAWPICTURE) {
836 /* raw pictures are written as AVPicture structure to
837 avoid any copies. We support temorarily the older
838 method. */
839 AVFrame* old_frame = enc->coded_frame;
840 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
841 pkt.data= (uint8_t *)final_picture;
842 pkt.size= sizeof(AVPicture);
843 if(dec->coded_frame)
844 pkt.pts= dec->coded_frame->pts;
845 if(dec->coded_frame && dec->coded_frame->key_frame)
846 pkt.flags |= PKT_FLAG_KEY;
847
848 av_interleaved_write_frame(s, &pkt);
849 enc->coded_frame = old_frame;
850 } else {
851 AVFrame big_picture;
852
853 big_picture= *final_picture;
854 /* better than nothing: use input picture interlaced
855 settings */
856 big_picture.interlaced_frame = in_picture->interlaced_frame;
857 if(do_interlace_me || do_interlace_dct){
858 if(top_field_first == -1)
859 big_picture.top_field_first = in_picture->top_field_first;
860 else
861 big_picture.top_field_first = top_field_first;
862 }
863
864 /* handles sameq here. This is not correct because it may
865 not be a global option */
866 if (same_quality) {
867 big_picture.quality = ist->st->quality;
868 }else
869 big_picture.quality = ost->st->quality;
870 if(!me_threshold)
871 big_picture.pict_type = 0;
872 // big_picture.pts = AV_NOPTS_VALUE;
873 big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->frame_rate_base, enc->frame_rate);
874 //av_log(NULL, AV_LOG_DEBUG, "%lld -> encoder\n", ost->sync_opts);
875 ret = avcodec_encode_video(enc,
876 bit_buffer, VIDEO_BUFFER_SIZE,
877 &big_picture);
878 //enc->frame_number = enc->real_pict_num;
879 if(ret){
880 pkt.data= bit_buffer;
881 pkt.size= ret;
882 if(enc->coded_frame)
883 pkt.pts= enc->coded_frame->pts;
884 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %lld/%lld\n",
885 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->frame_rate, AV_TIME_BASE*(int64_t)enc->frame_rate_base) : -1,
886 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->frame_rate, AV_TIME_BASE*(int64_t)enc->frame_rate_base) : -1);*/
887
888 if(enc->coded_frame && enc->coded_frame->key_frame)
889 pkt.flags |= PKT_FLAG_KEY;
890 av_interleaved_write_frame(s, &pkt);
891 *frame_size = ret;
892 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
893 // enc->frame_number-1, enc->real_pict_num, ret,
894 // enc->pict_type);
895 /* if two pass, output log */
896 if (ost->logfile && enc->stats_out) {
897 fprintf(ost->logfile, "%s", enc->stats_out);
898 }
899 }
900 }
901 ost->sync_opts++;
902 ost->frame_number++;
903 }
904 the_end:
905 av_free(buf);
906 av_free(buf1);
907 }
908
909 static double psnr(double d){
910 if(d==0) return INFINITY;
911 return -10.0*log(d)/log(10.0);
912 }
913
914 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
915 int frame_size)
916 {
917 static FILE *fvstats=NULL;
918 char filename[40];
919 time_t today2;
920 struct tm *today;
921 AVCodecContext *enc;
922 int frame_number;
923 int64_t ti;
924 double ti1, bitrate, avg_bitrate;
925
926 if (!fvstats) {
927 today2 = time(NULL);
928 today = localtime(&today2);
929 sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour,
930 today->tm_min,
931 today->tm_sec);
932 fvstats = fopen(filename,"w");
933 if (!fvstats) {
934 perror("fopen");
935 exit(1);
936 }
937 }
938
939 ti = MAXINT64;
940 enc = &ost->st->codec;
941 if (enc->codec_type == CODEC_TYPE_VIDEO) {
942 frame_number = ost->frame_number;
943 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
944 if (enc->flags&CODEC_FLAG_PSNR)
945 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
946
947 fprintf(fvstats,"f_size= %6d ", frame_size);
948 /* compute pts value */
949 ti1 = (double)ost->sync_opts *enc->frame_rate_base / enc->frame_rate;
950 if (ti1 < 0.01)
951 ti1 = 0.01;
952
953 bitrate = (double)(frame_size * 8) * enc->frame_rate / enc->frame_rate_base / 1000.0;
954 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
955 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
956 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
957 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
958 }
959 }
960
961 static void print_report(AVFormatContext **output_files,
962 AVOutputStream **ost_table, int nb_ostreams,
963 int is_last_report)
964 {
965 char buf[1024];
966 AVOutputStream *ost;
967 AVFormatContext *oc, *os;
968 int64_t total_size;
969 AVCodecContext *enc;
970 int frame_number, vid, i;
971 double bitrate, ti1, pts;
972 static int64_t last_time = -1;
973
974 if (!is_last_report) {
975 int64_t cur_time;
976 /* display the report every 0.5 seconds */
977 cur_time = av_gettime();
978 if (last_time == -1) {
979 last_time = cur_time;
980 return;
981 }
982 if ((cur_time - last_time) < 500000)
983 return;
984 last_time = cur_time;
985 }
986
987
988 oc = output_files[0];
989
990 total_size = url_ftell(&oc->pb);
991
992 buf[0] = '\0';
993 ti1 = 1e10;
994 vid = 0;
995 for(i=0;i<nb_ostreams;i++) {
996 ost = ost_table[i];
997 os = output_files[ost->file_index];
998 enc = &ost->st->codec;
999 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1000 sprintf(buf + strlen(buf), "q=%2.1f ",
1001 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1002 }
1003 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1004 frame_number = ost->frame_number;
1005 sprintf(buf + strlen(buf), "frame=%5d q=%2.1f ",
1006 frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : 0);
1007 if(is_last_report)
1008 sprintf(buf + strlen(buf), "L");
1009 if (enc->flags&CODEC_FLAG_PSNR){
1010 int j;
1011 double error, error_sum=0;
1012 double scale, scale_sum=0;
1013 char type[3]= {'Y','U','V'};
1014 sprintf(buf + strlen(buf), "PSNR=");
1015 for(j=0; j<3; j++){
1016 if(is_last_report){
1017 error= enc->error[j];
1018 scale= enc->width*enc->height*255.0*255.0*frame_number;
1019 }else{
1020 error= enc->coded_frame->error[j];
1021 scale= enc->width*enc->height*255.0*255.0;
1022 }
1023 if(j) scale/=4;
1024 error_sum += error;
1025 scale_sum += scale;
1026 sprintf(buf + strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1027 }
1028 sprintf(buf + strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1029 }
1030 vid = 1;
1031 }
1032 /* compute min output value */
1033 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1034 if ((pts < ti1) && (pts > 0))
1035 ti1 = pts;
1036 }
1037 if (ti1 < 0.01)
1038 ti1 = 0.01;
1039
1040 if (verbose || is_last_report) {
1041 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1042
1043 sprintf(buf + strlen(buf),
1044 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1045 (double)total_size / 1024, ti1, bitrate);
1046
1047 if (verbose > 1)
1048 sprintf(buf + strlen(buf), " dup=%d drop=%d",
1049 nb_frames_dup, nb_frames_drop);
1050
1051 if (verbose >= 0)
1052 fprintf(stderr, "%s \r", buf);
1053
1054 fflush(stderr);
1055 }
1056
1057 if (is_last_report && verbose >= 0){
1058 int64_t raw= audio_size + video_size + extra_size;
1059 fprintf(stderr, "\n");
1060 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1061 video_size/1024.0,
1062 audio_size/1024.0,
1063 extra_size/1024.0,
1064 100.0*(total_size - raw)/raw
1065 );
1066 }
1067 }
1068
1069 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1070 static int output_packet(AVInputStream *ist, int ist_index,
1071 AVOutputStream **ost_table, int nb_ostreams,
1072 const AVPacket *pkt)
1073 {
1074 AVFormatContext *os;
1075 AVOutputStream *ost;
1076 uint8_t *ptr;
1077 int len, ret, i;
1078 uint8_t *data_buf;
1079 int data_size, got_picture;
1080 AVFrame picture;
1081 void *buffer_to_free;
1082
1083 if (pkt && pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1084 ist->next_pts = ist->pts = pkt->dts;
1085 } else {
1086 assert(ist->pts == ist->next_pts);
1087 }
1088
1089 if (pkt == NULL) {
1090 /* EOF handling */
1091 ptr = NULL;
1092 len = 0;
1093 goto handle_eof;
1094 }
1095
1096 len = pkt->size;
1097 ptr = pkt->data;
1098 while (len > 0) {
1099 handle_eof:
1100 /* decode the packet if needed */
1101 data_buf = NULL; /* fail safe */
1102 data_size = 0;
1103 if (ist->decoding_needed) {
1104 switch(ist->st->codec.codec_type) {
1105 case CODEC_TYPE_AUDIO:{
1106 /* XXX: could avoid copy if PCM 16 bits with same
1107 endianness as CPU */
1108 short samples[pkt && pkt->size > AVCODEC_MAX_AUDIO_FRAME_SIZE/2 ? pkt->size : AVCODEC_MAX_AUDIO_FRAME_SIZE/2];
1109 ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
1110 ptr, len);
1111 if (ret < 0)
1112 goto fail_decode;
1113 ptr += ret;
1114 len -= ret;
1115 /* Some bug in mpeg audio decoder gives */
1116 /* data_size < 0, it seems they are overflows */
1117 if (data_size <= 0) {
1118 /* no audio frame */
1119 continue;
1120 }
1121 data_buf = (uint8_t *)samples;
1122 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1123 (ist->st->codec.sample_rate * ist->st->codec.channels);
1124 break;}
1125 case CODEC_TYPE_VIDEO:
1126 data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
1127 /* XXX: allocate picture correctly */
1128 avcodec_get_frame_defaults(&picture);
1129
1130 ret = avcodec_decode_video(&ist->st->codec,
1131 &picture, &got_picture, ptr, len);
1132 ist->st->quality= picture.quality;
1133 if (ret < 0)
1134 goto fail_decode;
1135 if (!got_picture) {
1136 /* no picture yet */
1137 goto discard_packet;
1138 }
1139 if (ist->st->codec.frame_rate_base != 0) {
1140 ist->next_pts += ((int64_t)AV_TIME_BASE *
1141 ist->st->codec.frame_rate_base) /
1142 ist->st->codec.frame_rate;
1143 }
1144 len = 0;
1145 break;
1146 default:
1147 goto fail_decode;
1148 }
1149 } else {
1150 data_buf = ptr;
1151 data_size = len;
1152 ret = len;
1153 len = 0;
1154 }
1155
1156 buffer_to_free = NULL;
1157 if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1158 pre_process_video_frame(ist, (AVPicture *)&picture,
1159 &buffer_to_free);
1160 }
1161
1162 /* frame rate emulation */
1163 if (ist->st->codec.rate_emu) {
1164 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec.frame_rate_base, 1000000, ist->st->codec.frame_rate);
1165 int64_t now = av_gettime() - ist->start;
1166 if (pts > now)
1167 usleep(pts - now);
1168
1169 ist->frame++;
1170 }
1171
1172 #if 0
1173 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1174 is the one of the next displayed one */
1175 /* XXX: add mpeg4 too ? */
1176 if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
1177 if (ist->st->codec.pict_type != B_TYPE) {
1178 int64_t tmp;
1179 tmp = ist->last_ip_pts;
1180 ist->last_ip_pts = ist->frac_pts.val;
1181 ist->frac_pts.val = tmp;
1182 }
1183 }
1184 #endif
1185 /* if output time reached then transcode raw format,
1186 encode packets and output them */
1187 if (start_time == 0 || ist->pts >= start_time)
1188 for(i=0;i<nb_ostreams;i++) {
1189 int frame_size;
1190
1191 ost = ost_table[i];
1192 if (ost->source_index == ist_index) {
1193 os = output_files[ost->file_index];
1194
1195 #if 0
1196 printf("%d: got pts=%0.3f %0.3f\n", i,
1197 (double)pkt->pts / AV_TIME_BASE,
1198 ((double)ist->pts / AV_TIME_BASE) -
1199 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1200 #endif
1201 /* set the input output pts pairs */
1202 ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index])/ AV_TIME_BASE;
1203
1204 if (ost->encoding_needed) {
1205 switch(ost->st->codec.codec_type) {
1206 case CODEC_TYPE_AUDIO:
1207 do_audio_out(os, ost, ist, data_buf, data_size);
1208 break;
1209 case CODEC_TYPE_VIDEO:
1210 /* find an audio stream for synchro */
1211 {
1212 int i;
1213 AVOutputStream *audio_sync, *ost1;
1214 audio_sync = NULL;
1215 for(i=0;i<nb_ostreams;i++) {
1216 ost1 = ost_table[i];
1217 if (ost1->file_index == ost->file_index &&
1218 ost1->st->codec.codec_type == CODEC_TYPE_AUDIO) {
1219 audio_sync = ost1;
1220 break;
1221 }
1222 }
1223
1224 do_video_out(os, ost, ist, &picture, &frame_size);
1225 video_size += frame_size;
1226 if (do_vstats && frame_size)
1227 do_video_stats(os, ost, frame_size);
1228 }
1229 break;
1230 default:
1231 av_abort();
1232 }
1233 } else {
1234 AVFrame avframe; //FIXME/XXX remove this
1235 AVPacket opkt;
1236 av_init_packet(&opkt);
1237
1238 /* no reencoding needed : output the packet directly */
1239 /* force the input stream PTS */
1240
1241 avcodec_get_frame_defaults(&avframe);
1242 ost->st->codec.coded_frame= &avframe;
1243 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1244
1245 if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO)
1246 audio_size += data_size;
1247 else if (ost->st->codec.codec_type == CODEC_TYPE_VIDEO)
1248 video_size += data_size;
1249
1250 opkt.stream_index= ost->index;
1251 opkt.data= data_buf;
1252 opkt.size= data_size;
1253 opkt.pts= pkt->pts + input_files_ts_offset[ist->file_index];
1254 opkt.dts= pkt->dts + input_files_ts_offset[ist->file_index];
1255 opkt.flags= pkt->flags;
1256
1257 av_interleaved_write_frame(os, &opkt);
1258 ost->st->codec.frame_number++;
1259 ost->frame_number++;
1260 }
1261 }
1262 }
1263 av_free(buffer_to_free);
1264 }
1265 discard_packet:
1266 if (pkt == NULL) {
1267 /* EOF handling */
1268
1269 for(i=0;i<nb_ostreams;i++) {
1270 ost = ost_table[i];
1271 if (ost->source_index == ist_index) {
1272 AVCodecContext *enc= &ost->st->codec;
1273 os = output_files[ost->file_index];
1274
1275 if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1276 continue;
1277 if(ost->st->codec.codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1278 continue;
1279
1280 if (ost->encoding_needed) {
1281 for(;;) {
1282 AVPacket pkt;
1283 av_init_packet(&pkt);
1284 pkt.stream_index= ost->index;
1285
1286 switch(ost->st->codec.codec_type) {
1287 case CODEC_TYPE_AUDIO:
1288 ret = avcodec_encode_audio(enc, bit_buffer, VIDEO_BUFFER_SIZE, NULL);
1289 audio_size += ret;
1290 pkt.flags |= PKT_FLAG_KEY;
1291 break;
1292 case CODEC_TYPE_VIDEO:
1293 ret = avcodec_encode_video(enc, bit_buffer, VIDEO_BUFFER_SIZE, NULL);
1294 video_size += ret;
1295 if(enc->coded_frame && enc->coded_frame->key_frame)
1296 pkt.flags |= PKT_FLAG_KEY;
1297 if (ost->logfile && enc->stats_out) {
1298 fprintf(ost->logfile, "%s", enc->stats_out);
1299 }
1300 break;
1301 default:
1302 ret=-1;
1303 }
1304
1305 if(ret<=0)
1306 break;
1307 pkt.data= bit_buffer;
1308 pkt.size= ret;
1309 if(enc->coded_frame)
1310 pkt.pts= enc->coded_frame->pts;
1311 av_interleaved_write_frame(os, &pkt);
1312 }
1313 }
1314 }
1315 }
1316 }
1317
1318 return 0;
1319 fail_decode:
1320 return -1;
1321 }
1322
1323
1324 /*
1325 * The following code is the main loop of the file converter
1326 */
1327 static int av_encode(AVFormatContext **output_files,
1328 int nb_output_files,
1329 AVFormatContext **input_files,
1330 int nb_input_files,
1331 AVStreamMap *stream_maps, int nb_stream_maps)
1332 {
1333 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1334 AVFormatContext *is, *os;
1335 AVCodecContext *codec, *icodec;
1336 AVOutputStream *ost, **ost_table = NULL;
1337 AVInputStream *ist, **ist_table = NULL;
1338 AVInputFile *file_table;
1339 AVFormatContext *stream_no_data;
1340 int key;
1341
1342 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1343 if (!file_table)
1344 goto fail;
1345
1346 if (!bit_buffer)
1347 bit_buffer = av_malloc(VIDEO_BUFFER_SIZE);
1348 if (!bit_buffer)
1349 goto fail;
1350
1351 /* input stream init */
1352 j = 0;
1353 for(i=0;i<nb_input_files;i++) {
1354 is = input_files[i];
1355 file_table[i].ist_index = j;
1356 file_table[i].nb_streams = is->nb_streams;
1357 j += is->nb_streams;
1358 }
1359 nb_istreams = j;
1360
1361 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1362 if (!ist_table)
1363 goto fail;
1364
1365 for(i=0;i<nb_istreams;i++) {
1366 ist = av_mallocz(sizeof(AVInputStream));
1367 if (!ist)
1368 goto fail;
1369 ist_table[i] = ist;
1370 }
1371 j = 0;
1372 for(i=0;i<nb_input_files;i++) {
1373 is = input_files[i];
1374 for(k=0;k<is->nb_streams;k++) {
1375 ist = ist_table[j++];
1376 ist->st = is->streams[k];
1377 ist->file_index = i;
1378 ist->index = k;
1379 ist->discard = 1; /* the stream is discarded by default
1380 (changed later) */
1381
1382 if (ist->st->codec.rate_emu) {
1383 ist->start = av_gettime();
1384 ist->frame = 0;
1385 }
1386 }
1387 }
1388
1389 /* output stream init */
1390 nb_ostreams = 0;
1391 for(i=0;i<nb_output_files;i++) {
1392 os = output_files[i];
1393 nb_ostreams += os->nb_streams;
1394 }
1395 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1396 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1397 exit(1);
1398 }
1399
1400 /* Sanity check the mapping args -- do the input files & streams exist? */
1401 for(i=0;i<nb_stream_maps;i++) {
1402 int fi = stream_maps[i].file_index;
1403 int si = stream_maps[i].stream_index;
1404
1405 if (fi < 0 || fi > nb_input_files - 1 ||
1406 si < 0 || si > file_table[fi].nb_streams - 1) {
1407 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1408 exit(1);
1409 }
1410 }
1411
1412 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1413 if (!ost_table)
1414 goto fail;
1415 for(i=0;i<nb_ostreams;i++) {
1416 ost = av_mallocz(sizeof(AVOutputStream));
1417 if (!ost)
1418 goto fail;
1419 ost_table[i] = ost;
1420 }
1421
1422 n = 0;
1423 for(k=0;k<nb_output_files;k++) {
1424 os = output_files[k];
1425 for(i=0;i<os->nb_streams;i++) {
1426 int found;
1427 ost = ost_table[n++];
1428 ost->file_index = k;
1429 ost->index = i;
1430 ost->st = os->streams[i];
1431 if (nb_stream_maps > 0) {
1432 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1433 stream_maps[n-1].stream_index;
1434
1435 /* Sanity check that the stream types match */
1436 if (ist_table[ost->source_index]->st->codec.codec_type != ost->st->codec.codec_type) {
1437 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1438 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1439 ost->file_index, ost->index);
1440 exit(1);
1441 }
1442
1443 } else {
1444 /* get corresponding input stream index : we select the first one with the right type */
1445 found = 0;
1446 for(j=0;j<nb_istreams;j++) {
1447 ist = ist_table[j];
1448 if (ist->discard &&
1449 ist->st->codec.codec_type == ost->st->codec.codec_type) {
1450 ost->source_index = j;
1451 found = 1;
1452 }
1453 }
1454
1455 if (!found) {
1456 /* try again and reuse existing stream */
1457 for(j=0;j<nb_istreams;j++) {
1458 ist = ist_table[j];
1459 if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
1460 ost->source_index = j;
1461 found = 1;
1462 }
1463 }
1464 if (!found) {
1465 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1466 ost->file_index, ost->index);
1467 exit(1);
1468 }
1469 }
1470 }
1471 ist = ist_table[ost->source_index];
1472 ist->discard = 0;
1473 }
1474 }
1475
1476 /* for each output stream, we compute the right encoding parameters */
1477 for(i=0;i<nb_ostreams;i++) {
1478 ost = ost_table[i];
1479 ist = ist_table[ost->source_index];
1480
1481 codec = &ost->st->codec;
1482 icodec = &ist->st->codec;
1483
1484 if (ost->st->stream_copy) {
1485 /* if stream_copy is selected, no need to decode or encode */
1486 codec->codec_id = icodec->codec_id;
1487 codec->codec_type = icodec->codec_type;
1488 codec->codec_tag = icodec->codec_tag;
1489 codec->bit_rate = icodec->bit_rate;
1490 switch(codec->codec_type) {
1491 case CODEC_TYPE_AUDIO:
1492 codec->sample_rate = icodec->sample_rate;
1493 codec->channels = icodec->channels;
1494 codec->frame_size = icodec->frame_size;
1495 break;
1496 case CODEC_TYPE_VIDEO:
1497 codec->frame_rate = icodec->frame_rate;
1498 codec->frame_rate_base = icodec->frame_rate_base;
1499 codec->width = icodec->width;
1500 codec->height = icodec->height;
1501 break;
1502 default:
1503 av_abort();
1504 }
1505 } else {
1506 switch(codec->codec_type) {
1507 case CODEC_TYPE_AUDIO:
1508 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1509 goto fail;
1510
1511 if (codec->channels == icodec->channels &&
1512 codec->sample_rate == icodec->sample_rate) {
1513 ost->audio_resample = 0;
1514 } else {
1515 if (codec->channels != icodec->channels &&
1516 (icodec->codec_id == CODEC_ID_AC3 ||
1517 icodec->codec_id == CODEC_ID_DTS)) {
1518 /* Special case for 5:1 AC3 and DTS input */
1519 /* and mono or stereo output */
1520 /* Request specific number of channels */
1521 icodec->channels = codec->channels;
1522 if (codec->sample_rate == icodec->sample_rate)
1523 ost->audio_resample = 0;
1524 else {
1525 ost->audio_resample = 1;
1526 }
1527 } else {
1528 ost->audio_resample = 1;
1529 }
1530 }
1531 if(audio_sync_method>1)
1532 ost->audio_resample = 1;
1533
1534 if(ost->audio_resample){
1535 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1536 codec->sample_rate, icodec->sample_rate);
1537 if(!ost->resample){
1538 printf("Can't resample. Aborting.\n");
1539 av_abort();
1540 }
1541 }
1542 ist->decoding_needed = 1;
1543 ost->encoding_needed = 1;
1544 break;
1545 case CODEC_TYPE_VIDEO:
1546 if (codec->width == icodec->width &&
1547 codec->height == icodec->height &&
1548 frame_topBand == 0 &&
1549 frame_bottomBand == 0 &&
1550 frame_leftBand == 0 &&
1551 frame_rightBand == 0 &&
1552 frame_padtop == 0 &&
1553 frame_padbottom == 0 &&
1554 frame_padleft == 0 &&
1555 frame_padright == 0)
1556 {
1557 ost->video_resample = 0;
1558 ost->video_crop = 0;
1559 ost->video_pad = 0;
1560 } else if ((codec->width == icodec->width -
1561 (frame_leftBand + frame_rightBand)) &&
1562 (codec->height == icodec->height -
1563 (frame_topBand + frame_bottomBand)))
1564 {
1565 ost->video_resample = 0;
1566 ost->video_crop = 1;
1567 ost->topBand = frame_topBand;
1568 ost->leftBand = frame_leftBand;
1569 } else if ((codec->width == icodec->width +
1570 (frame_padleft + frame_padright)) &&
1571 (codec->height == icodec->height +
1572 (frame_padtop + frame_padbottom))) {
1573 ost->video_resample = 0;
1574 ost->video_crop = 0;
1575 ost->video_pad = 1;
1576 ost->padtop = frame_padtop;
1577 ost->padleft = frame_padleft;
1578 ost->padbottom = frame_padbottom;
1579 ost->padright = frame_padright;
1580 avcodec_get_frame_defaults(&ost->pict_tmp);
1581 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1582 codec->width, codec->height ) )
1583 goto fail;
1584 } else {
1585 ost->video_resample = 1;
1586 ost->video_crop = 0; // cropping is handled as part of resample
1587 avcodec_get_frame_defaults(&ost->pict_tmp);
1588 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1589 codec->width, codec->height ) )
1590 goto fail;
1591
1592 ost->img_resample_ctx = img_resample_full_init(
1593 ost->st->codec.width, ost->st->codec.height,
1594 ist->st->codec.width, ist->st->codec.height,
1595 frame_topBand, frame_bottomBand,
1596 frame_leftBand, frame_rightBand,
1597 frame_padtop, frame_padbottom,
1598 frame_padleft, frame_padright);
1599
1600 ost->padtop = frame_padtop;
1601 ost->padleft = frame_padleft;
1602 ost->padbottom = frame_padbottom;
1603 ost->padright = frame_padright;
1604
1605 }
1606 ost->encoding_needed = 1;
1607 ist->decoding_needed = 1;
1608 break;
1609 default:
1610 av_abort();
1611 }
1612 /* two pass mode */
1613 if (ost->encoding_needed &&
1614 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1615 char logfilename[1024];
1616 FILE *f;
1617 int size;
1618 char *logbuffer;
1619
1620 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1621 pass_logfilename ?
1622 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1623 if (codec->flags & CODEC_FLAG_PASS1) {
1624 f = fopen(logfilename, "w");
1625 if (!f) {
1626 perror(logfilename);
1627 exit(1);
1628 }
1629 ost->logfile = f;
1630 } else {
1631 /* read the log file */
1632 f = fopen(logfilename, "r");
1633 if (!f) {
1634 perror(logfilename);
1635 exit(1);
1636 }
1637 fseek(f, 0, SEEK_END);
1638 size = ftell(f);
1639 fseek(f, 0, SEEK_SET);
1640 logbuffer = av_malloc(size + 1);
1641 if (!logbuffer) {
1642 fprintf(stderr, "Could not allocate log buffer\n");
1643 exit(1);
1644 }
1645 size = fread(logbuffer, 1, size, f);
1646 fclose(f);
1647 logbuffer[size] = '\0';
1648 codec->stats_in = logbuffer;
1649 }
1650 }
1651 }
1652 }
1653
1654 /* dump the file output parameters - cannot be done before in case
1655 of stream copy */
1656 for(i=0;i<nb_output_files;i++) {
1657 dump_format(output_files[i], i, output_files[i]->filename, 1);
1658 }
1659
1660 /* dump the stream mapping */
1661 if (verbose >= 0) {
1662 fprintf(stderr, "Stream mapping:\n");
1663 for(i=0;i<nb_ostreams;i++) {
1664 ost = ost_table[i];
1665 fprintf(stderr, " Stream #%d.%d -> #%d.%d\n",
1666 ist_table[ost->source_index]->file_index,
1667 ist_table[ost->source_index]->index,
1668 ost->file_index,
1669 ost->index);
1670 }
1671 }
1672
1673 /* open each encoder */
1674 for(i=0;i<nb_ostreams;i++) {
1675 ost = ost_table[i];
1676 if (ost->encoding_needed) {
1677 AVCodec *codec;
1678 codec = avcodec_find_encoder(ost->st->codec.codec_id);
1679 if (!codec) {
1680 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1681 ost->file_index, ost->index);
1682 exit(1);
1683 }
1684 if (avcodec_open(&ost->st->codec, codec) < 0) {
1685 fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1686 ost->file_index, ost->index);
1687 exit(1);
1688 }
1689 extra_size += ost->st->codec.extradata_size;
1690 }
1691 }
1692
1693 /* open each decoder */
1694 for(i=0;i<nb_istreams;i++) {
1695 ist = ist_table[i];
1696 if (ist->decoding_needed) {
1697 AVCodec *codec;
1698 codec = avcodec_find_decoder(ist->st->codec.codec_id);
1699 if (!codec) {
1700 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1701 ist->st->codec.codec_id, ist->file_index, ist->index);
1702 exit(1);
1703 }
1704 if (avcodec_open(&ist->st->codec, codec) < 0) {
1705 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1706 ist->file_index, ist->index);
1707 exit(1);
1708 }
1709 //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1710 // ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1711 }
1712 }
1713
1714 /* init pts */
1715 for(i=0;i<nb_istreams;i++) {
1716 ist = ist_table[i];
1717 is = input_files[ist->file_index];
1718 ist->pts = 0;
1719 ist->next_pts = 0;
1720 ist->is_start = 1;
1721 }
1722
1723 /* compute buffer size max (should use a complete heuristic) */
1724 for(i=0;i<nb_input_files;i++) {
1725 file_table[i].buffer_size_max = 2048;
1726 }
1727
1728 /* set meta data information from input file if required */
1729 for (i=0;i<nb_meta_data_maps;i++) {
1730 AVFormatContext *out_file;
1731 AVFormatContext *in_file;
1732
1733 int out_file_index = meta_data_maps[i].out_file;
1734 int in_file_index = meta_data_maps[i].in_file;
1735 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1736 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1737 ret = -EINVAL;
1738 goto fail;
1739 }
1740 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1741 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1742 ret = -EINVAL;
1743 goto fail;
1744 }
1745
1746 out_file = output_files[out_file_index];
1747 in_file = input_files[in_file_index];
1748
1749 strcpy(out_file->title, in_file->title);
1750 strcpy(out_file->author, in_file->author);
1751 strcpy(out_file->copyright, in_file->copyright);
1752 strcpy(out_file->comment, in_file->comment);
1753 strcpy(out_file->album, in_file->album);
1754 out_file->year = in_file->year;
1755 out_file->track = in_file->track;
1756 strcpy(out_file->genre, in_file->genre);
1757 }
1758
1759 /* open files and write file headers */
1760 for(i=0;i<nb_output_files;i++) {
1761 os = output_files[i];
1762 if (av_write_header(os) < 0) {
1763 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1764 ret = -EINVAL;
1765 goto fail;
1766 }
1767 }
1768
1769 #ifndef CONFIG_WIN32
1770 if ( !using_stdin && verbose >= 0) {
1771 fprintf(stderr, "Press [q] to stop encoding\n");
1772 url_set_interrupt_cb(decode_interrupt_cb);
1773 }
1774 #endif
1775 term_init();
1776
1777 stream_no_data = 0;
1778 key = -1;
1779
1780 for(; received_sigterm == 0;) {
1781 int file_index, ist_index;
1782 AVPacket pkt;
1783 double ipts_min;
1784 double opts_min;
1785
1786 redo:
1787 ipts_min= 1e100;
1788 opts_min= 1e100;
1789 /* if 'q' pressed, exits */
1790 if (!using_stdin) {
1791 if (q_pressed)
1792 break;
1793 /* read_key() returns 0 on EOF */
1794 key = read_key();
1795 if (key == 'q')
1796 break;
1797 }
1798
1799 /* select the stream that we must read now by looking at the
1800 smallest output pts */
1801 file_index = -1;
1802 for(i=0;i<nb_ostreams;i++) {
1803 double ipts, opts;
1804 ost = ost_table[i];
1805 os = output_files[ost->file_index];
1806 ist = ist_table[ost->source_index];
1807 if(ost->st->codec.codec_type == CODEC_TYPE_VIDEO)
1808 opts = (double)ost->sync_opts * ost->st->codec.frame_rate_base / ost->st->codec.frame_rate;
1809 else
1810 opts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1811 ipts = (double)ist->pts;
1812 if (!file_table[ist->file_index].eof_reached){
1813 if(ipts < ipts_min) {
1814 ipts_min = ipts;
1815 if(input_sync ) file_index = ist->file_index;
1816 }
1817 if(opts < opts_min) {
1818 opts_min = opts;
1819 if(!input_sync) file_index = ist->file_index;
1820 }
1821 }
1822 }
1823 /* if none, if is finished */
1824 if (file_index < 0) {
1825 break;
1826 }
1827
1828 /* finish if recording time exhausted */
1829 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1830 break;
1831
1832 /* read a frame from it and output it in the fifo */
1833 is = input_files[file_index];
1834 if (av_read_frame(is, &pkt) < 0) {
1835 file_table[file_index].eof_reached = 1;
1836 continue;
1837 }
1838
1839 if (!pkt.size) {
1840 stream_no_data = is;
1841 } else {
1842 stream_no_data = 0;
1843 }
1844 if (do_pkt_dump) {
1845 av_pkt_dump(stdout, &pkt, do_hex_dump);
1846 }
1847 /* the following test is needed in case new streams appear
1848 dynamically in stream : we ignore them */
1849 if (pkt.stream_index >= file_table[file_index].nb_streams)
1850 goto discard_packet;
1851 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1852 ist = ist_table[ist_index];
1853 if (ist->discard)
1854 goto discard_packet;
1855
1856 // 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);
1857 if (pkt.dts != AV_NOPTS_VALUE) {
1858 int64_t delta= pkt.dts - ist->next_pts;
1859 if(ABS(delta) > 10LL*AV_TIME_BASE && !copy_ts){
1860 input_files_ts_offset[ist->file_index]-= delta;
1861 if (verbose > 2)
1862 fprintf(stderr, "timestamp discontinuity %lld, new offset= %lld\n", delta, input_files_ts_offset[ist->file_index]);
1863 for(i=0; i<file_table[file_index].nb_streams; i++){
1864 int index= file_table[file_index].ist_index + i;
1865 ist_table[index]->next_pts += delta;
1866 ist_table[index]->is_start=1;
1867 }
1868 }
1869 }
1870
1871 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1872 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1873
1874 if (verbose >= 0)
1875 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1876 ist->file_index, ist->index);
1877
1878 av_free_packet(&pkt);
1879 goto redo;
1880 }
1881
1882 discard_packet:
1883 av_free_packet(&pkt);
1884
1885 /* dump report by using the output first video and audio streams */
1886 print_report(output_files, ost_table, nb_ostreams, 0);
1887 }
1888
1889 /* at the end of stream, we must flush the decoder buffers */
1890 for(i=0;i<nb_istreams;i++) {
1891 ist = ist_table[i];
1892 if (ist->decoding_needed) {
1893 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1894 }
1895 }
1896
1897 term_exit();
1898
1899 /* write the trailer if needed and close file */
1900 for(i=0;i<nb_output_files;i++) {
1901 os = output_files[i];
1902 av_write_trailer(os);
1903 }
1904
1905 /* dump report by using the first video and audio streams */
1906 print_report(output_files, ost_table, nb_ostreams, 1);
1907
1908 /* close each encoder */
1909 for(i=0;i<nb_ostreams;i++) {
1910 ost = ost_table[i];
1911 if (ost->encoding_needed) {
1912 av_freep(&ost->st->codec.stats_in);
1913 avcodec_close(&ost->st->codec);
1914 }
1915 }
1916
1917 /* close each decoder */
1918 for(i=0;i<nb_istreams;i++) {
1919 ist = ist_table[i];
1920 if (ist->decoding_needed) {
1921 avcodec_close(&ist->st->codec);
1922 }
1923 }
1924
1925 /* finished ! */
1926
1927 ret = 0;
1928 fail1:
1929 av_free(file_table);
1930
1931 if (ist_table) {
1932 for(i=0;i<nb_istreams;i++) {
1933 ist = ist_table[i];
1934 av_free(ist);
1935 }
1936 av_free(ist_table);
1937 }
1938 if (ost_table) {
1939 for(i=0;i<nb_ostreams;i++) {
1940 ost = ost_table[i];
1941 if (ost) {
1942 if (ost->logfile) {
1943 fclose(ost->logfile);
1944 ost->logfile = NULL;
1945 }
1946 fifo_free(&ost->fifo); /* works even if fifo is not
1947 initialized but set to zero */
1948 av_free(ost->pict_tmp.data[0]);
1949 if (ost->video_resample)
1950 img_resample_close(ost->img_resample_ctx);
1951 if (ost->audio_resample)
1952 audio_resample_close(ost->resample);
1953 av_free(ost);
1954 }
1955 }
1956 av_free(ost_table);
1957 }
1958 return ret;
1959 fail:
1960 ret = -ENOMEM;
1961 goto fail1;
1962 }
1963
1964 #if 0
1965 int file_read(const char *filename)
1966 {
1967 URLContext *h;
1968 unsigned char buffer[1024];
1969 int len, i;
1970
1971 if (url_open(&h, filename, O_RDONLY) < 0) {
1972 printf("could not open '%s'\n", filename);
1973 return -1;
1974 }
1975 for(;;) {
1976 len = url_read(h, buffer, sizeof(buffer));
1977 if (len <= 0)
1978 break;
1979 for(i=0;i<len;i++) putchar(buffer[i]);
1980 }
1981 url_close(h);
1982 return 0;
1983 }
1984 #endif
1985
1986 static void opt_image_format(const char *arg)
1987 {
1988 AVImageFormat *f;
1989
1990 for(f = first_image_format; f != NULL; f = f->next) {
1991 if (!strcmp(arg, f->name))
1992 break;
1993 }
1994 if (!f) {
1995 fprintf(stderr, "Unknown image format: '%s'\n", arg);
1996 exit(1);
1997 }
1998 image_format = f;
1999 }
2000
2001 static void opt_format(const char *arg)
2002 {
2003 /* compatibility stuff for pgmyuv */
2004 if (!strcmp(arg, "pgmyuv")) {
2005 opt_image_format(arg);
2006 arg = "image";
2007 }
2008
2009 file_iformat = av_find_input_format(arg);
2010 file_oformat = guess_format(arg, NULL, NULL);
2011 if (!file_iformat && !file_oformat) {
2012 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2013 exit(1);
2014 }
2015 }
2016
2017 static void opt_video_bitrate(const char *arg)
2018 {
2019 video_bit_rate = atoi(arg) * 1000;
2020 }
2021
2022 static void opt_video_bitrate_tolerance(const char *arg)
2023 {
2024 video_bit_rate_tolerance = atoi(arg) * 1000;
2025 }
2026
2027 static void opt_video_bitrate_max(const char *arg)
2028 {
2029 video_rc_max_rate = atoi(arg) * 1000;
2030 }
2031
2032 static void opt_video_bitrate_min(const char *arg)
2033 {
2034 video_rc_min_rate = atoi(arg) * 1000;
2035 }
2036
2037 static void opt_video_buffer_size(const char *arg)
2038 {
2039 video_rc_buffer_size = atoi(arg) * 8*1024;
2040 }
2041
2042 static void opt_video_rc_eq(char *arg)
2043 {
2044 video_rc_eq = arg;
2045 }
2046
2047 static void opt_video_rc_override_string(char *arg)
2048 {
2049 video_rc_override_string = arg;
2050 }
2051
2052
2053 static void opt_workaround_bugs(const char *arg)
2054 {
2055 workaround_bugs = atoi(arg);
2056 }
2057
2058 static void opt_dct_algo(const char *arg)
2059 {
2060 dct_algo = atoi(arg);
2061 }
2062
2063 static void opt_idct_algo(const char *arg)
2064 {
2065 idct_algo = atoi(arg);
2066 }
2067
2068 static void opt_me_threshold(const char *arg)
2069 {
2070 me_threshold = atoi(arg);
2071 }
2072
2073 static void opt_mb_threshold(const char *arg)
2074 {
2075 mb_threshold = atoi(arg);
2076 }
2077
2078 static void opt_error_resilience(const char *arg)
2079 {
2080 error_resilience = atoi(arg);
2081 }
2082
2083 static void opt_error_concealment(const char *arg)
2084 {
2085 error_concealment = atoi(arg);
2086 }
2087
2088 static void opt_debug(const char *arg)
2089 {
2090 debug = atoi(arg);
2091 }
2092
2093 static void opt_vismv(const char *arg)
2094 {
2095 debug_mv = atoi(arg);
2096 }
2097
2098 static void opt_verbose(const char *arg)
2099 {
2100 verbose = atoi(arg);
2101 av_log_set_level(atoi(arg));
2102 }
2103
2104 static void opt_frame_rate(const char *arg)
2105 {
2106 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2107 fprintf(stderr, "Incorrect frame rate\n");
2108 exit(1);
2109 }
2110 }
2111
2112 static void opt_frame_crop_top(const char *arg)
2113 {
2114 frame_topBand = atoi(arg);
2115 if (frame_topBand < 0) {
2116 fprintf(stderr, "Incorrect top crop size\n");
2117 exit(1);
2118 }
2119 if ((frame_topBand % 2) != 0) {
2120 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2121 exit(1);
2122 }
2123 if ((frame_topBand) >= frame_height){
2124 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2125 exit(1);
2126 }
2127 frame_height -= frame_topBand;
2128 }
2129
2130 static void opt_frame_crop_bottom(const char *arg)
2131 {
2132 frame_bottomBand = atoi(arg);
2133 if (frame_bottomBand < 0) {
2134 fprintf(stderr, "Incorrect bottom crop size\n");
2135 exit(1);
2136 }
2137 if ((frame_bottomBand % 2) != 0) {
2138 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2139 exit(1);
2140 }
2141 if ((frame_bottomBand) >= frame_height){
2142 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2143 exit(1);
2144 }
2145 frame_height -= frame_bottomBand;
2146 }
2147
2148 static void opt_frame_crop_left(const char *arg)
2149 {
2150 frame_leftBand = atoi(arg);
2151 if (frame_leftBand < 0) {
2152 fprintf(stderr, "Incorrect left crop size\n");
2153 exit(1);
2154 }
2155 if ((frame_leftBand % 2) != 0) {
2156 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2157 exit(1);
2158 }
2159 if ((frame_leftBand) >= frame_width){
2160 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2161 exit(1);
2162 }
2163 frame_width -= frame_leftBand;
2164 }
2165
2166 static void opt_frame_crop_right(const char *arg)
2167 {
2168 frame_rightBand = atoi(arg);
2169 if (frame_rightBand < 0) {
2170 fprintf(stderr, "Incorrect right crop size\n");
2171 exit(1);
2172 }
2173 if ((frame_rightBand % 2) != 0) {
2174 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2175 exit(1);
2176 }
2177 if ((frame_rightBand) >= frame_width){
2178 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2179 exit(1);
2180 }
2181 frame_width -= frame_rightBand;
2182 }
2183
2184 static void opt_frame_size(const char *arg)
2185 {
2186 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2187 fprintf(stderr, "Incorrect frame size\n");
2188 exit(1);
2189 }
2190 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2191 fprintf(stderr, "Frame size must be a multiple of 2\n");
2192 exit(1);
2193 }
2194 }
2195
2196
2197 #define SCALEBITS 10
2198 #define ONE_HALF (1 << (SCALEBITS - 1))
2199 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2200
2201 #define RGB_TO_Y(r, g, b) \
2202 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2203 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2204
2205 #define RGB_TO_U(r1, g1, b1, shift)\
2206 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2207 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2208
2209 #define RGB_TO_V(r1, g1, b1, shift)\
2210 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2211 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2212
2213 static void opt_pad_color(const char *arg) {
2214 /* Input is expected to be six hex digits similar to
2215 how colors are expressed in html tags (but without the #) */
2216 int rgb = strtol(arg, NULL, 16);
2217 int r,g,b;
2218
2219 r = (rgb >> 16);
2220 g = ((rgb >> 8) & 255);
2221 b = (rgb & 255);
2222
2223 padcolor[0] = RGB_TO_Y(r,g,b);
2224 padcolor[1] = RGB_TO_U(r,g,b,0);
2225 padcolor[2] = RGB_TO_V(r,g,b,0);
2226 }
2227
2228 static void opt_frame_pad_top(const char *arg)
2229 {
2230 frame_padtop = atoi(arg);
2231 if (frame_padtop < 0) {
2232 fprintf(stderr, "Incorrect top pad size\n");
2233 exit(1);
2234 }
2235 if ((frame_padtop % 2) != 0) {
2236 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2237 exit(1);
2238 }
2239 }
2240
2241 static void opt_frame_pad_bottom(const char *arg)
2242 {
2243 frame_padbottom = atoi(arg);
2244 if (frame_padbottom < 0) {
2245 fprintf(stderr, "Incorrect bottom pad size\n");
2246 exit(1);
2247 }
2248 if ((frame_padbottom % 2) != 0) {
2249 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2250 exit(1);
2251 }
2252 }
2253
2254
2255 static void opt_frame_pad_left(const char *arg)
2256 {
2257 frame_padleft = atoi(arg);
2258 if (frame_padleft < 0) {
2259 fprintf(stderr, "Incorrect left pad size\n");
2260 exit(1);
2261 }
2262 if ((frame_padleft % 2) != 0) {
2263 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2264 exit(1);
2265 }
2266 }
2267
2268
2269 static void opt_frame_pad_right(const char *arg)
2270 {
2271 frame_padright = atoi(arg);
2272 if (frame_padright < 0) {
2273 fprintf(stderr, "Incorrect right pad size\n");
2274 exit(1);
2275 }
2276 if ((frame_padright % 2) != 0) {
2277 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2278 exit(1);
2279 }
2280 }
2281
2282
2283 static void opt_frame_pix_fmt(const char *arg)
2284 {
2285 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2286 }
2287
2288 static void opt_frame_aspect_ratio(const char *arg)
2289 {
2290 int x = 0, y = 0;
2291 double ar = 0;
2292 const char *p;
2293
2294 p = strchr(arg, ':');
2295 if (p) {
2296 x = strtol(arg, (char **)&arg, 10);
2297 if (arg == p)
2298 y = strtol(arg+1, (char **)&arg, 10);
2299 if (x > 0 && y > 0)
2300 ar = (double)x / (double)y;
2301 } else
2302 ar = strtod(arg, (char **)&arg);
2303
2304 if (!ar) {
2305 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2306 exit(1);
2307 }
2308 frame_aspect_ratio = ar;
2309 }
2310
2311 static void opt_gop_size(const char *arg)
2312 {
2313 gop_size = atoi(arg);
2314 }
2315
2316 static void opt_b_frames(const char *arg)
2317 {
2318 b_frames = atoi(arg);
2319 if (b_frames > FF_MAX_B_FRAMES) {
2320 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
2321 exit(1);
2322 } else if (b_frames < 1) {
2323 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
2324 exit(1);
2325 }
2326 }
2327
2328 static void opt_mb_decision(const char *arg)
2329 {
2330 mb_decision = atoi(arg);
2331 }
2332
2333 static void opt_mb_cmp(const char *arg)
2334 {
2335 mb_cmp = atoi(arg);
2336 }
2337
2338 static void opt_ildct_cmp(const char *arg)
2339 {
2340 ildct_cmp = atoi(arg);
2341 }
2342
2343 static void opt_sub_cmp(const char *arg)
2344 {
2345 sub_cmp = atoi(arg);
2346 }
2347
2348 static void opt_cmp(const char *arg)
2349 {
2350 cmp = atoi(arg);
2351 }
2352
2353 static void opt_pre_cmp(const char *arg)
2354 {
2355 pre_cmp = atoi(arg);
2356 }
2357
2358 static void opt_pre_me(const char *arg)
2359 {
2360 pre_me = atoi(arg);
2361 }
2362
2363 static void opt_lumi_mask(const char *arg)
2364 {
2365 lumi_mask = atof(arg);
2366 }
2367
2368 static void opt_dark_mask(const char *arg)
2369 {
2370 dark_mask = atof(arg);
2371 }
2372
2373 static void opt_scplx_mask(const char *arg)
2374 {
2375 scplx_mask = atof(arg);
2376 }
2377
2378 static void opt_tcplx_mask(const char *arg)
2379 {
2380 tcplx_mask = atof(arg);
2381 }
2382
2383 static void opt_p_mask(const char *arg)
2384 {
2385 p_mask = atof(arg);
2386 }
2387
2388 static void opt_qscale(const char *arg)
2389 {
2390 video_qscale = atof(arg);
2391 if (video_qscale < 0.01 ||
2392 video_qscale > 255) {
2393 fprintf(stderr, "qscale must be >= 0.01 and <= 255\n");
2394 exit(1);
2395 }
2396 }
2397
2398 static void opt_lmax(const char *arg)
2399 {
2400 video_lmax = atof(arg)*FF_QP2LAMBDA;
2401 }
2402
2403 static void opt_lmin(const char *arg)
2404 {
2405 video_lmin = atof(arg)*FF_QP2LAMBDA;
2406 }
2407
2408 static void opt_qmin(const char *arg)
2409 {
2410 video_qmin = atoi(arg);
2411 if (video_qmin < 0 ||
2412 video_qmin > 31) {
2413 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
2414 exit(1);
2415 }
2416 }
2417
2418 static void opt_qmax(const char *arg)
2419 {
2420 video_qmax = atoi(arg);
2421 if (video_qmax < 0 ||
2422 video_qmax > 31) {
2423 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
2424 exit(1);
2425 }
2426 }
2427
2428 static void opt_mb_qmin(const char *arg)
2429 {
2430 video_mb_qmin = atoi(arg);
2431 if (video_mb_qmin < 0 ||
2432 video_mb_qmin > 31) {
2433 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
2434 exit(1);
2435 }
2436 }
2437
2438 static void opt_mb_qmax(const char *arg)
2439 {
2440 video_mb_qmax = atoi(arg);
2441 if (video_mb_qmax < 0 ||
2442 video_mb_qmax > 31) {
2443 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
2444 exit(1);
2445 }
2446 }
2447
2448 static void opt_qdiff(const char *arg)
2449 {
2450 video_qdiff = atoi(arg);
2451 if (video_qdiff < 0 ||
2452 video_qdiff > 31) {
2453 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2454 exit(1);
2455 }
2456 }
2457
2458 static void opt_qblur(const char *arg)
2459 {
2460 video_qblur = atof(arg);
2461 }
2462
2463 static void opt_qcomp(const char *arg)
2464 {
2465 video_qcomp = atof(arg);
2466 }
2467
2468 static void opt_rc_initial_cplx(const char *arg)
2469 {
2470 video_rc_initial_cplx = atof(arg);
2471 }
2472 static void opt_b_qfactor(const char *arg)
2473 {
2474 video_b_qfactor = atof(arg);
2475 }
2476 static void opt_i_qfactor(const char *arg)
2477 {
2478 video_i_qfactor = atof(arg);
2479 }
2480 static void opt_b_qoffset(const char *arg)
2481 {
2482 video_b_qoffset = atof(arg);
2483 }
2484 static void opt_i_qoffset(const char *arg)
2485 {
2486 video_i_qoffset = atof(arg);
2487 }
2488
2489 static void opt_ibias(const char *arg)
2490 {
2491 video_intra_quant_bias = atoi(arg);
2492 }
2493 static void opt_pbias(const char *arg)
2494 {
2495 video_inter_quant_bias = atoi(arg);
2496 }
2497
2498 static void opt_packet_size(const char *arg)
2499 {
2500 packet_size= atoi(arg);
2501 }
2502
2503 static void opt_error_rate(const char *arg)
2504 {
2505 error_rate= atoi(arg);
2506 }
2507
2508 static void opt_strict(const char *arg)
2509 {
2510 strict= atoi(arg);
2511 }
2512
2513 static void opt_top_field_first(const char *arg)
2514 {
2515 top_field_first= atoi(arg);
2516 }
2517
2518 static void opt_noise_reduction(const char *arg)
2519 {
2520 noise_reduction= atoi(arg);
2521 }
2522
2523 static void opt_qns(const char *arg)
2524 {
2525 qns= atoi(arg);
2526 }
2527
2528 static void opt_sc_threshold(const char *arg)
2529 {
2530 sc_threshold= atoi(arg);
2531 }
2532
2533 static void opt_me_range(const char *arg)
2534 {
2535 me_range = atoi(arg);
2536 }
2537
2538 static void opt_thread_count(const char *arg)
2539 {
2540 thread_count= atoi(arg);
2541 #if !defined(HAVE_PTHREADS) && !defined(HAVE_W32THREADS)
2542 if (verbose >= 0)
2543 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2544 #endif
2545 }
2546
2547 static void opt_audio_bitrate(const char *arg)
2548 {
2549 audio_bit_rate = atoi(arg) * 1000;
2550 }
2551
2552 static void opt_audio_rate(const char *arg)
2553 {
2554 audio_sample_rate = atoi(arg);
2555 }
2556
2557 static void opt_audio_channels(const char *arg)
2558 {
2559 audio_channels = atoi(arg);
2560 }
2561
2562 static void opt_video_device(const char *arg)
2563 {
2564 video_device = av_strdup(arg);
2565 }
2566
2567 static void opt_video_channel(const char *arg)
2568 {
2569 video_channel = strtol(arg, NULL, 0);
2570 }
2571
2572 static void opt_video_standard(const char *arg)
2573 {
2574 video_standard = av_strdup(arg);
2575 }
2576
2577 static void opt_audio_device(const char *arg)
2578 {
2579 audio_device = av_strdup(arg);
2580 }
2581
2582 static void opt_dv1394(const char *arg)
2583 {
2584 video_grab_format = "dv1394";
2585 audio_grab_format = NULL;
2586 }
2587
2588 static void opt_audio_codec(const char *arg)
2589 {
2590 AVCodec *p;
2591
2592 if (!strcmp(arg, "copy")) {
2593 audio_stream_copy = 1;
2594 } else {
2595 p = first_avcodec;
2596 while (p) {
2597 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
2598 break;
2599 p = p->next;
2600 }
2601 if (p == NULL) {
2602 fprintf(stderr, "Unknown audio codec '%s'\n", arg);
2603 exit(1);
2604 } else {
2605 audio_codec_id = p->id;
2606 }
2607 }
2608 }
2609
2610 static void add_frame_hooker(const char *arg)
2611 {
2612 int argc = 0;
2613 char *argv[64];
2614 int i;
2615 char *args = av_strdup(arg);
2616
2617 using_vhook = 1;
2618
2619 argv[0] = strtok(args, " ");
2620 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2621 }
2622
2623 i = frame_hook_add(argc, argv);
2624
2625 if (i != 0) {
2626 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2627 exit(1);
2628 }
2629 }
2630
2631 const char *motion_str[] = {
2632 "zero",
2633 "full",
2634 "log",
2635 "phods",
2636 "epzs",
2637 "x1",
2638 NULL,
2639 };
2640
2641 static void opt_motion_estimation(const char *arg)
2642 {
2643 const char **p;
2644 p = motion_str;
2645 for(;;) {
2646 if (!*p) {
2647 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2648 exit(1);
2649 }
2650 if (!strcmp(*p, arg))
2651 break;
2652 p++;
2653 }
2654 me_method = (p - motion_str) + 1;
2655 }
2656
2657 static void opt_video_codec(const char *arg)
2658 {
2659 AVCodec *p;
2660
2661 if (!strcmp(arg, "copy")) {
2662 video_stream_copy = 1;
2663 } else {
2664 p = first_avcodec;
2665 while (p) {
2666 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
2667 break;
2668 p = p->next;
2669 }
2670 if (p == NULL) {
2671 fprintf(stderr, "Unknown video codec '%s'\n", arg);
2672 exit(1);
2673 } else {
2674 video_codec_id = p->id;
2675 }
2676 }
2677 }
2678
2679 static void opt_map(const char *arg)
2680 {
2681 AVStreamMap *m;
2682 const char *p;
2683
2684 p = arg;
2685 m = &stream_maps[nb_stream_maps++];
2686
2687 m->file_index = strtol(arg, (char **)&p, 0);
2688 if (*p)
2689 p++;
2690
2691 m->stream_index = strtol(p, (char **)&p, 0);
2692 }
2693
2694 static void opt_map_meta_data(const char *arg)
2695 {
2696 AVMetaDataMap *m;
2697 const char *p;
2698
2699 p = arg;
2700 m = &meta_data_maps[nb_meta_data_maps++];
2701
2702 m->out_file = strtol(arg, (char **)&p, 0);
2703 if (*p)
2704 p++;
2705
2706 m->in_file = strtol(p, (char **)&p, 0);
2707 }
2708
2709 static void opt_recording_time(const char *arg)
2710 {
2711 recording_time = parse_date(arg, 1);
2712 }
2713
2714 static void opt_start_time(const char *arg)
2715 {
2716 start_time = parse_date(arg, 1);
2717 }
2718
2719 static void opt_rec_timestamp(const char *arg)
2720 {
2721 rec_timestamp = parse_date(arg, 0) / 1000000;
2722 }
2723
2724 static void opt_input_ts_offset(const char *arg)
2725 {
2726 input_ts_offset = parse_date(arg, 1);
2727 }
2728
2729 static void opt_input_file(const char *filename)
2730 {
2731 AVFormatContext *ic;
2732 AVFormatParameters params, *ap = &params;
2733 int err, i, ret, rfps, rfps_base;
2734
2735 if (!strcmp(filename, "-"))
2736 filename = "pipe:";
2737
2738 using_stdin |= !strcmp(filename, "pipe:" ) ||
2739 !strcmp( filename, "/dev/stdin" );
2740
2741 /* get default parameters from command line */
2742 memset(ap, 0, sizeof(*ap));
2743 ap->sample_rate = audio_sample_rate;
2744 ap->channels = audio_channels;
2745 ap->frame_rate = frame_rate;
2746 ap->frame_rate_base = frame_rate_base;
2747 ap->width = frame_width + frame_padleft + frame_padright;
2748 ap->height = frame_height + frame_padtop + frame_padbottom;
2749 ap->image_format = image_format;
2750 ap->pix_fmt = frame_pix_fmt;
2751
2752 /* open the input file with generic libav function */
2753 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2754 if (err < 0) {
2755 print_error(filename, err);
2756 exit(1);
2757 }
2758
2759 /* If not enough info to get the stream parameters, we decode the
2760 first frames to get it. (used in mpeg case for example) */
2761 ret = av_find_stream_info(ic);
2762 if (ret < 0 && verbose >= 0) {
2763 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2764 exit(1);
2765 }
2766
2767 /* if seeking requested, we execute it */
2768 if (start_time != 0) {
2769 int64_t timestamp;
2770
2771 timestamp = start_time;
2772 /* add the stream start time */
2773 if (ic->start_time != AV_NOPTS_VALUE)
2774 timestamp += ic->start_time;
2775 ret = av_seek_frame(ic, -1, timestamp);
2776 if (ret < 0) {
2777 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2778 filename, (double)timestamp / AV_TIME_BASE);
2779 }
2780 /* reset seek info */
2781 start_time = 0;
2782 }
2783
2784 /* update the current parameters so that they match the one of the input stream */
2785 for(i=0;i<ic->nb_streams;i++) {
2786 AVCodecContext *enc = &ic->streams[i]->codec;
2787 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
2788 if(thread_count>1)
2789 avcodec_thread_init(enc, thread_count);
2790 #endif
2791 enc->thread_count= thread_count;
2792 switch(enc->codec_type) {
2793 case CODEC_TYPE_AUDIO:
2794 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2795 audio_channels = enc->channels;
2796 audio_sample_rate = enc->sample_rate;
2797 break;
2798 case CODEC_TYPE_VIDEO:
2799 frame_height = enc->height;
2800 frame_width = enc->width;
2801 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2802 frame_pix_fmt = enc->pix_fmt;
2803 rfps = ic->streams[i]->r_frame_rate;
2804 rfps_base = ic->streams[i]->r_frame_rate_base;
2805 enc->workaround_bugs = workaround_bugs;
2806 enc->error_resilience = error_resilience;
2807 enc->error_concealment = error_concealment;
2808 enc->idct_algo = idct_algo;
2809 enc->debug = debug;
2810 enc->debug_mv = debug_mv;
2811 if(bitexact)
2812 enc->flags|= CODEC_FLAG_BITEXACT;
2813 if(me_threshold)
2814 enc->debug |= FF_DEBUG_MV;
2815
2816 assert(enc->frame_rate_base == rfps_base); // should be true for now
2817 if (enc->frame_rate != rfps) {
2818
2819 if (verbose >= 0)
2820 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n",
2821 i, (float)enc->frame_rate / enc->frame_rate_base,
2822
2823 (float)rfps / rfps_base);
2824 }
2825 /* update the current frame rate to match the stream frame rate */
2826 frame_rate = rfps;
2827 frame_rate_base = rfps_base;
2828
2829 enc->rate_emu = rate_emu;
2830 break;
2831 case CODEC_TYPE_DATA:
2832 break;
2833 default:
2834 av_abort();
2835 }
2836 }
2837
2838 input_files[nb_input_files] = ic;
2839 input_files_ts_offset[nb_input_files] = input_ts_offset;
2840 /* dump the file content */
2841 if (verbose >= 0)
2842 dump_format(ic, nb_input_files, filename, 0);
2843
2844 nb_input_files++;
2845 file_iformat = NULL;
2846 file_oformat = NULL;
2847 image_format = NULL;
2848
2849 rate_emu = 0;
2850 }
2851
2852 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2853 {
2854 int has_video, has_audio, i, j;
2855 AVFormatContext *ic;
2856
2857 has_video = 0;
2858 has_audio = 0;
2859 for(j=0;j<nb_input_files;j++) {
2860 ic = input_files[j];
2861 for(i=0;i<ic->nb_streams;i++) {
2862 AVCodecContext *enc = &ic->streams[i]->codec;
2863 switch(enc->codec_type) {
2864 case CODEC_TYPE_AUDIO:
2865 has_audio = 1;
2866 break;
2867 case CODEC_TYPE_VIDEO:
2868 has_video = 1;
2869 break;
2870 case CODEC_TYPE_DATA:
2871 break;
2872 default:
2873 av_abort();
2874 }
2875 }
2876 }
2877 *has_video_ptr = has_video;
2878 *has_audio_ptr = has_audio;
2879 }
2880
2881 static void opt_output_file(const char *filename)
2882 {
2883 AVStream *st;
2884 AVFormatContext *oc;
2885 int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
2886 int codec_id;
2887 AVFormatParameters params, *ap = &params;
2888
2889 if (!strcmp(filename, "-"))
2890 filename = "pipe:";
2891
2892 oc = av_alloc_format_context();
2893
2894 if (!file_oformat) {
2895 file_oformat = guess_format(NULL, filename, NULL);
2896 if (!file_oformat) {
2897 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
2898 filename);
2899 exit(1);
2900 }
2901 }
2902
2903 oc->oformat = file_oformat;
2904
2905 if (!strcmp(file_oformat->name, "ffm") &&
2906 strstart(filename, "http:", NULL)) {
2907 /* special case for files sent to ffserver: we get the stream
2908 parameters from ffserver */
2909 if (read_ffserver_streams(oc, filename) < 0) {
2910 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
2911 exit(1);
2912 }
2913 } else {
2914 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy;
2915 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy;
2916
2917 /* disable if no corresponding type found and at least one
2918 input file */
2919 if (nb_input_files > 0) {
2920 check_audio_video_inputs(&input_has_video, &input_has_audio);
2921 if (!input_has_video)
2922 use_video = 0;
2923 if (!input_has_audio)
2924 use_audio = 0;
2925 }
2926
2927 /* manual disable */
2928 if (audio_disable) {
2929 use_audio = 0;
2930 }
2931 if (video_disable) {
2932 use_video = 0;
2933 }
2934
2935 nb_streams = 0;
2936 if (use_video) {
2937 AVCodecContext *video_enc;
2938
2939 st = av_new_stream(oc, nb_streams++);
2940 if (!st) {
2941 fprintf(stderr, "Could not alloc stream\n");
2942 exit(1);
2943 }
2944 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
2945 if(thread_count>1)
2946 avcodec_thread_init(&st->codec, thread_count);
2947 #endif
2948
2949 video_enc = &st->codec;
2950
2951 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
2952 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2953 if (video_stream_copy) {
2954 st->stream_copy = 1;
2955 video_enc->codec_type = CODEC_TYPE_VIDEO;
2956 } else {
2957 char *p;
2958 int i;
2959 AVCodec *codec;
2960
2961 codec_id = file_oformat->video_codec;
2962 if (video_codec_id != CODEC_ID_NONE)
2963 codec_id = video_codec_id;
2964
2965 video_enc->codec_id = codec_id;
2966 codec = avcodec_find_encoder(codec_id);
2967
2968 video_enc->bit_rate = video_bit_rate;
2969 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
2970 video_enc->frame_rate = frame_rate;
2971 video_enc->frame_rate_base = frame_rate_base;
2972 if(codec && codec->supported_framerates){
2973 const AVRational *p= codec->supported_framerates;
2974 AVRational req= (AVRational){frame_rate, frame_rate_base};
2975 const AVRational *best=NULL;
2976 AVRational best_error= (AVRational){INT_MAX, 1};
2977 for(; p->den!=0; p++){
2978 AVRational error= av_sub_q(req, *p);
2979 if(error.num <0) error.num *= -1;
2980 if(av_cmp_q(error, best_error) < 0){
2981 best_error= error;
2982 best= p;
2983 }
2984 }
2985 video_enc->frame_rate = best->num;
2986 video_enc->frame_rate_base= best->den;
2987 }
2988
2989 video_enc->width = frame_width + frame_padright + frame_padleft;
2990 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2991 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
2992 video_enc->pix_fmt = frame_pix_fmt;
2993
2994 if(codec && codec->pix_fmts){
2995 const enum PixelFormat *p= codec->pix_fmts;
2996 for(; *p!=-1; p++){
2997 if(*p == video_enc->pix_fmt)
2998 break;
2999 }
3000 if(*p == -1)
3001 video_enc->pix_fmt = codec->pix_fmts[0];
3002 }
3003
3004 if (!intra_only)
3005 video_enc->gop_size = gop_size;
3006 else
3007 video_enc->gop_size = 0;
3008 if (video_qscale || same_quality) {
3009 video_enc->flags |= CODEC_FLAG_QSCALE;
3010 st->quality = FF_QP2LAMBDA * video_qscale;
3011 }
3012
3013 if(intra_matrix)
3014 video_enc->intra_matrix = intra_matrix;
3015 if(inter_matrix)
3016 video_enc->inter_matrix = inter_matrix;
3017
3018 if(bitexact)
3019 video_enc->flags |= CODEC_FLAG_BITEXACT;
3020
3021 video_enc->mb_decision = mb_decision;
3022 video_enc->mb_cmp = mb_cmp;
3023 video_enc->ildct_cmp = ildct_cmp;
3024 video_enc->me_sub_cmp = sub_cmp;
3025 video_enc->me_cmp = cmp;
3026 video_enc->me_pre_cmp = pre_cmp;
3027 video_enc->pre_me = pre_me;
3028 video_enc->lumi_masking = lumi_mask;
3029 video_enc->dark_masking = dark_mask;
3030 video_enc->spatial_cplx_masking = scplx_mask;
3031 video_enc->temporal_cplx_masking = tcplx_mask;
3032 video_enc->p_masking = p_mask;
3033 video_enc->quantizer_noise_shaping= qns;
3034
3035 if (use_umv) {
3036 video_enc->flags |= CODEC_FLAG_H263P_UMV;
3037 }
3038 if (use_ss) {
3039 video_enc->flags |= CODEC_FLAG_H263P_SLICE_STRUCT;
3040 }
3041 if (use_aic) {
3042 video_enc->flags |= CODEC_FLAG_H263P_AIC;
3043 }
3044 if (use_aiv) {
3045 video_enc->flags |= CODEC_FLAG_H263P_AIV;
3046 }
3047 if (use_4mv) {
3048 video_enc->flags |= CODEC_FLAG_4MV;
3049 }
3050 if (use_obmc) {
3051 video_enc->flags |= CODEC_FLAG_OBMC;
3052 }
3053 if (use_loop) {
3054 video_enc->flags |= CODEC_FLAG_LOOP_FILTER;
3055 }
3056
3057 if(use_part) {
3058 video_enc->flags |= CODEC_FLAG_PART;
3059 }
3060 if (use_alt_scan) {
3061 video_enc->flags |= CODEC_FLAG_ALT_SCAN;
3062 }
3063 if (use_trell) {
3064 video_enc->flags |= CODEC_FLAG_TRELLIS_QUANT;
3065 }
3066 if (use_scan_offset) {
3067 video_enc->flags |= CODEC_FLAG_SVCD_SCAN_OFFSET;
3068 }
3069 if (closed_gop) {
3070 video_enc->flags |= CODEC_FLAG_CLOSED_GOP;
3071 }
3072 if (use_qpel) {
3073 video_enc->flags |= CODEC_FLAG_QPEL;
3074 }
3075 if (use_qprd) {
3076 video_enc->flags |= CODEC_FLAG_QP_RD;
3077 }
3078 if (use_cbprd) {
3079 video_enc->flags |= CODEC_FLAG_CBP_RD;
3080 }
3081 if (b_frames) {
3082 video_enc->max_b_frames = b_frames;
3083 video_enc->b_frame_strategy = 0;
3084 video_enc->b_quant_factor = 2.0;
3085 }
3086 if (do_interlace_dct) {
3087 video_enc->flags |= CODEC_FLAG_INTERLACED_DCT;
3088 }
3089 if (do_interlace_me) {
3090 video_enc->flags |= CODEC_FLAG_INTERLACED_ME;
3091 }
3092 video_enc->qmin = video_qmin;
3093 video_enc->qmax = video_qmax;
3094 video_enc->lmin = video_lmin;
3095 video_enc->lmax = video_lmax;
3096 video_enc->mb_qmin = video_mb_qmin;
3097 video_enc->mb_qmax = video_mb_qmax;
3098 video_enc->max_qdiff = video_qdiff;
3099 video_enc->qblur = video_qblur;
3100 video_enc->qcompress = video_qcomp;
3101 video_enc->rc_eq = video_rc_eq;
3102 video_enc->debug = debug;
3103 video_enc->debug_mv = debug_mv;
3104 video_enc->thread_count = thread_count;
3105 p= video_rc_override_string;
3106 for(i=0; p; i++){
3107 int start, end, q;
3108 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3109 if(e!=3){
3110 fprintf(stderr, "error parsing rc_override\n");
3111 exit(1);
3112 }
3113 video_enc->rc_override=
3114 av_realloc(video_enc->rc_override,
3115 sizeof(RcOverride)*(i+1));
3116 video_enc->rc_override[i].start_frame= start;
3117 video_enc->rc_override[i].end_frame = end;
3118 if(q>0){
3119 video_enc->rc_override[i].qscale= q;
3120 video_enc->rc_override[i].quality_factor= 1.0;
3121 }
3122 else{
3123 video_enc->rc_override[i].qscale= 0;
3124 video_enc->rc_override[i].quality_factor= -q/100.0;
3125 }
3126 p= strchr(p, '/');
3127 if(p) p++;
3128 }
3129 video_enc->rc_override_count=i;
3130
3131 video_enc->rc_max_rate = video_rc_max_rate;
3132 video_enc->rc_min_rate = video_rc_min_rate;
3133 video_enc->rc_buffer_size = video_rc_buffer_size;
3134 video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
3135 video_enc->rc_initial_cplx= video_rc_initial_cplx;
3136 video_enc->i_quant_factor = video_i_qfactor;
3137 video_enc->b_quant_factor = video_b_qfactor;
3138 video_enc->i_quant_offset = video_i_qoffset;
3139 video_enc->b_quant_offset = video_b_qoffset;
3140 video_enc->intra_quant_bias = video_intra_quant_bias;
3141 video_enc->inter_quant_bias = video_inter_quant_bias;
3142 video_enc->dct_algo = dct_algo;
3143 video_enc->idct_algo = idct_algo;
3144 video_enc->me_threshold= me_threshold;
3145 video_enc->mb_threshold= mb_threshold;
3146 video_enc->intra_dc_precision= intra_dc_precision - 8;
3147 video_enc->strict_std_compliance = strict;
3148 video_enc->error_rate = error_rate;
3149 video_enc->noise_reduction= noise_reduction;
3150 video_enc->scenechange_threshold= sc_threshold;
3151 video_enc->me_range = me_range;
3152 video_enc->coder_type= coder;
3153 video_enc->context_model= context;
3154 video_enc->prediction_method= predictor;
3155 video_enc->profile= video_profile;
3156 video_enc->level= video_level;
3157
3158 if(packet_size){
3159 video_enc->rtp_mode= 1;
3160 video_enc->rtp_payload_size= packet_size;
3161 }
3162
3163 if (do_psnr)
3164 video_enc->flags|= CODEC_FLAG_PSNR;
3165
3166 video_enc->me_method = me_method;
3167
3168 /* two pass mode */
3169 if (do_pass) {
3170 if (do_pass == 1) {
3171 video_enc->flags |= CODEC_FLAG_PASS1;
3172 } else {
3173 video_enc->flags |= CODEC_FLAG_PASS2;
3174 }
3175 }
3176 }
3177 }
3178
3179 if (use_audio) {
3180 AVCodecContext *audio_enc;
3181
3182 st = av_new_stream(oc, nb_streams++);
3183 if (!st) {
3184 fprintf(stderr, "Could not alloc stream\n");
3185 exit(1);
3186 }
3187 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
3188 if(thread_count>1)
3189 avcodec_thread_init(&st->codec, thread_count);
3190 #endif
3191
3192 audio_enc = &st->codec;
3193 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3194
3195 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
3196 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3197 if (audio_stream_copy) {
3198 st->stream_copy = 1;
3199 audio_enc->channels = audio_channels;
3200 } else {
3201 codec_id = file_oformat->audio_codec;
3202 if (audio_codec_id != CODEC_ID_NONE)
3203 codec_id = audio_codec_id;
3204 audio_enc->codec_id = codec_id;
3205
3206 audio_enc->bit_rate = audio_bit_rate;
3207 audio_enc->strict_std_compliance = strict;
3208 audio_enc->thread_count = thread_count;
3209 /* For audio codecs other than AC3 or DTS we limit */
3210 /* the number of coded channels to stereo */
3211 if (audio_channels > 2 && codec_id != CODEC_ID_AC3
3212 && codec_id != CODEC_ID_DTS) {
3213 audio_enc->channels = 2;
3214 } else
3215 audio_enc->channels = audio_channels;
3216 }
3217 audio_enc->sample_rate = audio_sample_rate;
3218 }
3219
3220 oc->nb_streams = nb_streams;
3221
3222 if (!nb_streams) {
3223 fprintf(stderr, "No audio or video streams available\n");
3224 exit(1);
3225 }
3226
3227 oc->timestamp = rec_timestamp;
3228
3229 if (str_title)
3230 pstrcpy(oc->title, sizeof(oc->title), str_title);
3231 if (str_author)
3232 pstrcpy(oc->author, sizeof(oc->author), str_author);
3233 if (str_copyright)
3234 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
3235 if (str_comment)
3236 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
3237 }
3238
3239 output_files[nb_output_files++] = oc;
3240
3241 strcpy(oc->filename, filename);
3242
3243 /* check filename in case of an image number is expected */
3244 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3245 if (filename_number_test(oc->filename) < 0) {
3246 print_error(oc->filename, AVERROR_NUMEXPECTED);
3247 exit(1);
3248 }
3249 }
3250
3251 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3252 /* test if it already exists to avoid loosing precious files */
3253 if (!file_overwrite &&
3254 (strchr(filename, ':') == NULL ||
3255 strstart(filename, "file:", NULL))) {
3256 if (url_exist(filename)) {
3257 int c;
3258
3259 if ( !using_stdin ) {
3260 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3261 fflush(stderr);
3262 c = getchar();
3263 if (toupper(c) != 'Y') {
3264 fprintf(stderr, "Not overwriting - exiting\n");
3265 exit(1);
3266 }
3267 }
3268 else {
3269 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3270 exit(1);
3271 }
3272 }
3273 }
3274
3275 /* open the file */
3276 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3277 fprintf(stderr, "Could not open '%s'\n", filename);
3278 exit(1);
3279 }
3280 }
3281
3282 memset(ap, 0, sizeof(*ap));
3283 ap->image_format = image_format;
3284 if (av_set_parameters(oc, ap) < 0) {
3285 fprintf(stderr, "%s: Invalid encoding parameters\n",
3286 oc->filename);
3287 exit(1);
3288 }
3289
3290 /* reset some options */
3291 file_oformat = NULL;
3292 file_iformat = NULL;
3293 image_format = NULL;
3294 audio_disable = 0;
3295 video_disable = 0;
3296 audio_codec_id = CODEC_ID_NONE;
3297 video_codec_id = CODEC_ID_NONE;
3298 audio_stream_copy = 0;
3299 video_stream_copy = 0;
3300 }
3301
3302 /* prepare dummy protocols for grab */
3303 static void prepare_grab(void)
3304 {
3305 int has_video, has_audio, i, j;
3306 AVFormatContext *oc;
3307 AVFormatContext *ic;
3308 AVFormatParameters vp1, *vp = &vp1;
3309 AVFormatParameters ap1, *ap = &ap1;
3310
3311 /* see if audio/video inputs are needed */
3312 has_video = 0;
3313 has_audio = 0;
3314 memset(ap, 0, sizeof(*ap));
3315 memset(vp, 0, sizeof(*vp));
3316 for(j=0;j<nb_output_files;j++) {