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Make DCA decoder honor avctx->request_channels in a more advisory way.
[libav.git] / ffmpeg.c
CommitLineData
85f07f22 1/*
115329f1 2 * FFmpeg main
01310af2 3 * Copyright (c) 2000-2003 Fabrice Bellard
85f07f22 4 *
b78e7197
DB		 5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
bf5af568
FB		 8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
b78e7197 10 * version 2.1 of the License, or (at your option) any later version.
85f07f22 11 *
b78e7197 12 * FFmpeg is distributed in the hope that it will be useful,
85f07f22 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
bf5af568
FB		 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
85f07f22 16 *
bf5af568 17 * You should have received a copy of the GNU Lesser General Public
b78e7197 18 * License along with FFmpeg; if not, write to the Free Software
5509bffa 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
85f07f22 20 */
364a9607 21
0f4e8165
RB		 22#include "config.h"
23#include <ctype.h>
24#include <string.h>
25#include <math.h>
26#include <stdlib.h>
27#include <errno.h>
d86b83f8 28#include <signal.h>
22f7a060 29#include <limits.h>
daf8e955 30#include "avformat.h"
c721d803 31#include "avdevice.h"
18a54b04 32#include "swscale.h"
10d104e4 33#include "framehook.h"
6fd46414 34#include "opt.h"
f5a478f6 35#include "fifo.h"
f7d78f36 36#include "avstring.h"
a5e979f4 37#include "os_support.h"
daf8e955 38
7495c306
RP		 39#if !defined(HAVE_GETRUSAGE) && defined(HAVE_GETPROCESSTIMES)
40#include <windows.h>
41#endif
42
4b54c6d0 43#if defined(HAVE_TERMIOS_H)
85f07f22
FB		 44#include <unistd.h>
45#include <fcntl.h>
46#include <sys/ioctl.h>
85f07f22 47#include <sys/time.h>
85f07f22 48#include <termios.h>
5727b222 49#include <sys/resource.h>
4b54c6d0
RP		 50#elif defined(HAVE_CONIO_H)
51#include <conio.h>
bdc4796f 52#endif
64c020a8 53#undef time //needed because HAVE_AV_CONFIG_H is defined on top
bf5af568 54#include <time.h>
85f07f22 55
f1cc88a5 56#include "version.h"
01310af2
FB		 57#include "cmdutils.h"
58
2b18dcd0
MN		 59#undef NDEBUG
60#include <assert.h>
61
8aa1e3da
MN		 62#if !defined(INFINITY) && defined(HUGE_VAL)
63#define INFINITY HUGE_VAL
64#endif
85f07f22 65
c367d067
MN		 66#undef exit
67
86074ed1
SS		 68static const char program_name[] = "FFmpeg";
69static const int program_birth_year = 2000;
70
85f07f22
FB		 71/* select an input stream for an output stream */
72typedef struct AVStreamMap {
73 int file_index;
74 int stream_index;
b4a3389e
WG		 75 int sync_file_index;
76 int sync_stream_index;
85f07f22
FB		 77} AVStreamMap;
78
0a38bafd
PB		 79/** select an input file for an output file */
80typedef struct AVMetaDataMap {
81 int out_file;
82 int in_file;
83} AVMetaDataMap;
84
85f07f22
FB		 85extern const OptionDef options[];
86
85f07f22
FB		 87#define MAX_FILES 20
88
89static AVFormatContext *input_files[MAX_FILES];
a6a92a9a 90static int64_t input_files_ts_offset[MAX_FILES];
85f07f22
FB		 91static int nb_input_files = 0;
92
93static AVFormatContext *output_files[MAX_FILES];
94static int nb_output_files = 0;
95
96static AVStreamMap stream_maps[MAX_FILES];
97static int nb_stream_maps;
98
0a38bafd
PB		 99static AVMetaDataMap meta_data_maps[MAX_FILES];
100static int nb_meta_data_maps;
101
79fdaa4c
FB		 102static AVInputFormat *file_iformat;
103static AVOutputFormat *file_oformat;
55cf1959
MN		 104static int frame_width = 0;
105static int frame_height = 0;
880e8ba7 106static float frame_aspect_ratio = 0;
644a9262 107static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
1ff93ffc
TK		 108static int frame_padtop = 0;
109static int frame_padbottom = 0;
110static int frame_padleft = 0;
111static int frame_padright = 0;
112static int padcolor[3] = {16,128,128}; /* default to black */
ab6d194a
MN		 113static int frame_topBand = 0;
114static int frame_bottomBand = 0;
115static int frame_leftBand = 0;
116static int frame_rightBand = 0;
cf7fc795 117static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
b33ece16 118static AVRational frame_rate = (AVRational) {25,1};
158c7f05 119static float video_qscale = 0;
9cdd6a24 120static int video_qdiff = 3;
84f608f4
VM		 121static uint16_t *intra_matrix = NULL;
122static uint16_t *inter_matrix = NULL;
ac2830ec 123#if 0 //experimental, (can be removed)
3aa102be
MN		 124static float video_rc_qsquish=1.0;
125static float video_rc_qmod_amp=0;
126static int video_rc_qmod_freq=0;
ac2830ec 127#endif
3aa102be 128static char *video_rc_override_string=NULL;
85f07f22 129static int video_disable = 0;
f3356e9c 130static int video_discard = 0;
4a897224 131static char *video_codec_name = NULL;
b2a2197e 132static int video_codec_tag = 0;
85f07f22 133static int same_quality = 0;
cfcf0ffd 134static int do_deinterlace = 0;
f560dd82 135static int strict = 0;
bb198e19 136static int top_field_first = -1;
f4f3223f 137static int me_threshold = 0;
1a11cbcc 138static int intra_dc_precision = 8;
5894e1bb 139static int loop_input = 0;
8108551a 140static int loop_output = AVFMT_NOOUTPUTLOOP;
0888fd22 141static int qp_hist = 0;
85f07f22 142
85f07f22
FB		 143static int intra_only = 0;
144static int audio_sample_rate = 44100;
c57c770d
JR		 145#define QSCALE_NONE -99999
146static float audio_qscale = QSCALE_NONE;
85f07f22
FB		 147static int audio_disable = 0;
148static int audio_channels = 1;
4a897224 149static char *audio_codec_name = NULL;
b2a2197e 150static int audio_codec_tag = 0;
cf7fc795
FB		 151static char *audio_language = NULL;
152
11bf3847 153static int subtitle_disable = 0;
4a897224 154static char *subtitle_codec_name = NULL;
cf7fc795 155static char *subtitle_language = NULL;
85f07f22 156
17c88cb0
MN		 157static float mux_preload= 0.5;
158static float mux_max_delay= 0.7;
2db3c638 159
0c1a9eda 160static int64_t recording_time = 0;
8831db5c 161static int64_t start_time = 0;
4568325a 162static int64_t rec_timestamp = 0;
a6a92a9a 163static int64_t input_ts_offset = 0;
85f07f22
FB		 164static int file_overwrite = 0;
165static char *str_title = NULL;
166static char *str_author = NULL;
167static char *str_copyright = NULL;
168static char *str_comment = NULL;
63d5075c 169static char *str_album = NULL;
5727b222 170static int do_benchmark = 0;
a0663ba4 171static int do_hex_dump = 0;
254abc2e 172static int do_pkt_dump = 0;
43f1708f 173static int do_psnr = 0;
5abdb4b1
FB		 174static int do_pass = 0;
175static char *pass_logfilename = NULL;
1629626f
FB		 176static int audio_stream_copy = 0;
177static int video_stream_copy = 0;
cf7fc795 178static int subtitle_stream_copy = 0;
986ebcdb
MN		 179static int video_sync_method= 1;
180static int audio_sync_method= 0;
d4d226a8 181static float audio_drift_threshold= 0.1;
72bd8100 182static int copy_ts= 0;
ca80810b 183static int opt_shortest = 0; //
90ad92b3 184static int video_global_header = 0;
b60d1379 185static char *vstats_filename;
032aa7df 186static FILE *vstats_file;
50e143c4 187static int opt_programid = 0;
5abdb4b1 188
bdfcbbed
MK		 189static int rate_emu = 0;
190
a5df11ab 191static int video_channel = 0;
df0cecdd 192static char *video_standard;
79a7c268 193
a9aa3467 194static int audio_volume = 256;
8aa3ee32 195
d9a916e2 196static int using_stdin = 0;
bee0d9e5 197static int using_vhook = 0;
f068206e 198static int verbose = 1;
9c3d33d6 199static int thread_count= 1;
b51469a0 200static int q_pressed = 0;
1008ceb3
MN		 201static int64_t video_size = 0;
202static int64_t audio_size = 0;
203static int64_t extra_size = 0;
a6a92a9a
WG		 204static int nb_frames_dup = 0;
205static int nb_frames_drop = 0;
6e454c38 206static int input_sync;
85ad1b0e 207static uint64_t limit_filesize = 0; //
d9a916e2 208
5b6d5596 209static int pgmyuv_compatibility_hack=0;
a8482aab 210static float dts_delta_threshold = 10;
5b6d5596 211
18a54b04
LA		 212static int sws_flags = SWS_BICUBIC;
213
29cc1c23
BF		 214static const char **opt_names;
215static int opt_name_count;
216static AVCodecContext *avctx_opts[CODEC_TYPE_NB];
217static AVFormatContext *avformat_opts;
218static struct SwsContext *sws_opts;
219static int64_t timer_start;
8bbf6db9 220
748c2fca
MN		 221static AVBitStreamFilterContext *video_bitstream_filters=NULL;
222static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
223static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
5b6d5596 224
5abdb4b1 225#define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
85f07f22 226
b4a3389e
WG		 227struct AVInputStream;
228
85f07f22
FB		 229typedef struct AVOutputStream {
230 int file_index; /* file index */
231 int index; /* stream index in the output file */
232 int source_index; /* AVInputStream index */
233 AVStream *st; /* stream in the output file */
ec5517d5
FB		 234 int encoding_needed; /* true if encoding needed for this stream */
235 int frame_number;
236 /* input pts and corresponding output pts
237 for A/V sync */
b4a3389e
WG		 238 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
239 struct AVInputStream *sync_ist; /* input stream to sync against */
e928649b 240 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
85f07f22 241 /* video only */
07d0cdfc 242 int video_resample;
a4d36c11 243 AVFrame pict_tmp; /* temporary image for resampling */
18a54b04
LA		 244 struct SwsContext *img_resample_ctx; /* for image resampling */
245 int resample_height;
34b10a57 246
07d0cdfc 247 int video_crop;
34b10a57
D		 248 int topBand; /* cropping area sizes */
249 int leftBand;
115329f1 250
07d0cdfc 251 int video_pad;
1ff93ffc
TK		 252 int padtop; /* padding area sizes */
253 int padbottom;
254 int padleft;
255 int padright;
115329f1 256
85f07f22
FB		 257 /* audio only */
258 int audio_resample;
259 ReSampleContext *resample; /* for audio resampling */
f5a478f6 260 AVFifoBuffer fifo; /* for compression: one audio fifo per codec */
5abdb4b1 261 FILE *logfile;
85f07f22
FB		 262} AVOutputStream;
263
264typedef struct AVInputStream {
265 int file_index;
266 int index;
267 AVStream *st;
268 int discard; /* true if stream data should be discarded */
269 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
0c1a9eda 270 int64_t sample_index; /* current sample */
bdfcbbed
MK		 271
272 int64_t start; /* time when read started */
273 unsigned long frame; /* current frame */
254abc2e
FB		 274 int64_t next_pts; /* synthetic pts for cases where pkt.pts
275 is not defined */
e7d0374f 276 int64_t pts; /* current pts */
ff4905a5 277 int is_start; /* is 1 at the start and after a discontinuity */
85f07f22
FB		 278} AVInputStream;
279
280typedef struct AVInputFile {
281 int eof_reached; /* true if eof reached */
282 int ist_index; /* index of first stream in ist_table */
283 int buffer_size; /* current total buffer size */
79fdaa4c 284 int nb_streams; /* nb streams we are aware of */
85f07f22
FB		 285} AVInputFile;
286
e16e49ac 287#ifdef HAVE_TERMIOS_H
bdc4796f 288
85f07f22
FB		 289/* init terminal so that we can grab keys */
290static struct termios oldtty;
d86b83f8 291#endif
85f07f22
FB		 292
293static void term_exit(void)
294{
e16e49ac 295#ifdef HAVE_TERMIOS_H
85f07f22 296 tcsetattr (0, TCSANOW, &oldtty);
d86b83f8 297#endif
85f07f22
FB		 298}
299
9680a722
RP		 300static volatile sig_atomic_t received_sigterm = 0;
301
302static void
303sigterm_handler(int sig)
304{
305 received_sigterm = sig;
306 term_exit();
307}
308
85f07f22
FB		 309static void term_init(void)
310{
e16e49ac 311#ifdef HAVE_TERMIOS_H
85f07f22
FB		 312 struct termios tty;
313
314 tcgetattr (0, &tty);
315 oldtty = tty;
316
317 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
318 |INLCR|IGNCR|ICRNL|IXON);
319 tty.c_oflag |= OPOST;
320 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
321 tty.c_cflag &= ~(CSIZE|PARENB);
322 tty.c_cflag |= CS8;
323 tty.c_cc[VMIN] = 1;
324 tty.c_cc[VTIME] = 0;
115329f1 325
85f07f22 326 tcsetattr (0, TCSANOW, &tty);
d86b83f8
RP		 327 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
328#endif
85f07f22 329
9680a722 330 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
9680a722
RP		 331 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
332 /*
333 register a function to be called at normal program termination
334 */
85f07f22 335 atexit(term_exit);
9ddd71fc
FR		 336#ifdef CONFIG_BEOS_NETSERVER
337 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
338#endif
85f07f22
FB		 339}
340
341/* read a key without blocking */
342static int read_key(void)
343{
4b54c6d0 344#if defined(HAVE_TERMIOS_H)
9ddd71fc 345 int n = 1;
85f07f22 346 unsigned char ch;
9ddd71fc
FR		 347#ifndef CONFIG_BEOS_NETSERVER
348 struct timeval tv;
85f07f22
FB		 349 fd_set rfds;
350
351 FD_ZERO(&rfds);
352 FD_SET(0, &rfds);
353 tv.tv_sec = 0;
354 tv.tv_usec = 0;
355 n = select(1, &rfds, NULL, NULL, &tv);
9ddd71fc 356#endif
85f07f22 357 if (n > 0) {
cb09b2ed
PG		 358 n = read(0, &ch, 1);
359 if (n == 1)
85f07f22 360 return ch;
cb09b2ed
PG		 361
362 return n;
85f07f22 363 }
4b54c6d0
RP		 364#elif defined(HAVE_CONIO_H)
365 if(kbhit())
366 return(getch());
d86b83f8 367#endif
85f07f22
FB		 368 return -1;
369}
370
b51469a0
LS		 371static int decode_interrupt_cb(void)
372{
373 return q_pressed || (q_pressed = read_key() == 'q');
374}
375
b29f97d1 376static int read_ffserver_streams(AVFormatContext *s, const char *filename)
85f07f22 377{
79fdaa4c 378 int i, err;
85f07f22
FB		 379 AVFormatContext *ic;
380
79fdaa4c
FB		 381 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
382 if (err < 0)
383 return err;
85f07f22
FB		 384 /* copy stream format */
385 s->nb_streams = ic->nb_streams;
386 for(i=0;i<ic->nb_streams;i++) {
387 AVStream *st;
1e491e29 388
f37f8d4c 389 // FIXME: a more elegant solution is needed
e1031171 390 st = av_mallocz(sizeof(AVStream));
85f07f22 391 memcpy(st, ic->streams[i], sizeof(AVStream));
f37f8d4c
AB		 392 st->codec = avcodec_alloc_context();
393 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
85f07f22
FB		 394 s->streams[i] = st;
395 }
396
397 av_close_input_file(ic);
398 return 0;
399}
400
b4a3389e
WG		 401static double
402get_sync_ipts(const AVOutputStream *ost)
403{
404 const AVInputStream *ist = ost->sync_ist;
fec401f7 405 return (double)(ist->pts - start_time)/AV_TIME_BASE;
b4a3389e
WG		 406}
407
748c2fca 408static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
0ac07031
MN		 409 int ret;
410
748c2fca
MN		 411 while(bsfc){
412 AVPacket new_pkt= *pkt;
413 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
414 &new_pkt.data, &new_pkt.size,
415 pkt->data, pkt->size,
416 pkt->flags & PKT_FLAG_KEY);
417 if(a){
418 av_free_packet(pkt);
419 new_pkt.destruct= av_destruct_packet;
420 }
421 *pkt= new_pkt;
422
423 bsfc= bsfc->next;
424 }
425
0ac07031
MN		 426 ret= av_interleaved_write_frame(s, pkt);
427 if(ret < 0){
428 print_error("av_interleaved_write_frame()", ret);
429 exit(1);
430 }
748c2fca
MN		 431}
432
817b23ff 433#define MAX_AUDIO_PACKET_SIZE (128 * 1024)
85f07f22 434
115329f1
DB		 435static void do_audio_out(AVFormatContext *s,
436 AVOutputStream *ost,
85f07f22
FB		 437 AVInputStream *ist,
438 unsigned char *buf, int size)
439{
0c1a9eda 440 uint8_t *buftmp;
d66c7abc
SC		 441 static uint8_t *audio_buf = NULL;
442 static uint8_t *audio_out = NULL;
558eae03 443 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
d66c7abc 444
85f07f22 445 int size_out, frame_bytes, ret;
01f4895c 446 AVCodecContext *enc= ost->st->codec;
85f07f22 447
d66c7abc
SC		 448 /* SC: dynamic allocation of buffers */
449 if (!audio_buf)
450 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
451 if (!audio_out)
558eae03 452 audio_out = av_malloc(audio_out_size);
d66c7abc
SC		 453 if (!audio_buf || !audio_out)
454 return; /* Should signal an error ! */
455
986ebcdb 456 if(audio_sync_method){
115329f1 457 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
f5a478f6 458 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2);
01f4895c
MN		 459 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
460 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
ff4905a5 461
986ebcdb
MN		 462 //FIXME resample delay
463 if(fabs(delta) > 50){
d4d226a8 464 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
ff4905a5 465 if(byte_delta < 0){
f41dd5aa 466 byte_delta= FFMAX(byte_delta, -size);
ff4905a5
MN		 467 size += byte_delta;
468 buf -= byte_delta;
469 if(verbose > 2)
470 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
471 if(!size)
472 return;
473 ist->is_start=0;
474 }else{
475 static uint8_t *input_tmp= NULL;
476 input_tmp= av_realloc(input_tmp, byte_delta + size);
477
478 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
479 ist->is_start=0;
480 else
481 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
482
483 memset(input_tmp, 0, byte_delta);
484 memcpy(input_tmp + byte_delta, buf, size);
485 buf= input_tmp;
486 size += byte_delta;
487 if(verbose > 2)
488 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
489 }
490 }else if(audio_sync_method>1){
f66e4f5f 491 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
ff4905a5
MN		 492 assert(ost->audio_resample);
493 if(verbose > 2)
494 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
949b1a13 495// fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2));
ff4905a5
MN		 496 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
497 }
115329f1 498 }
986ebcdb 499 }else
b4a3389e 500 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
f5a478f6 501 - av_fifo_size(&ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
85f07f22
FB		 502
503 if (ost->audio_resample) {
504 buftmp = audio_buf;
115329f1 505 size_out = audio_resample(ost->resample,
85f07f22 506 (short *)buftmp, (short *)buf,
01f4895c 507 size / (ist->st->codec->channels * 2));
85f07f22
FB		 508 size_out = size_out * enc->channels * 2;
509 } else {
510 buftmp = buf;
511 size_out = size;
512 }
513
514 /* now encode as many frames as possible */
a0663ba4 515 if (enc->frame_size > 1) {
85f07f22 516 /* output resampled raw samples */
f5a478f6 517 av_fifo_write(&ost->fifo, buftmp, size_out);
85f07f22
FB		 518
519 frame_bytes = enc->frame_size * 2 * enc->channels;
115329f1 520
f5a478f6 521 while (av_fifo_read(&ost->fifo, audio_buf, frame_bytes) == 0) {
e928649b
MN		 522 AVPacket pkt;
523 av_init_packet(&pkt);
524
115329f1 525 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
a0663ba4 526 (short *)audio_buf);
1008ceb3 527 audio_size += ret;
e928649b
MN		 528 pkt.stream_index= ost->index;
529 pkt.data= audio_out;
530 pkt.size= ret;
e7902f20 531 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
c0df9d75 532 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
e928649b 533 pkt.flags |= PKT_FLAG_KEY;
748c2fca 534 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
115329f1 535
986ebcdb 536 ost->sync_opts += enc->frame_size;
85f07f22
FB		 537 }
538 } else {
e928649b
MN		 539 AVPacket pkt;
540 av_init_packet(&pkt);
986ebcdb 541
c43042a7 542 ost->sync_opts += size_out / (2 * enc->channels);
986ebcdb 543
a0663ba4
FB		 544 /* output a pcm frame */
545 /* XXX: change encoding codec API to avoid this ? */
546 switch(enc->codec->id) {
b461b3bc
RD		 547 case CODEC_ID_PCM_S32LE:
548 case CODEC_ID_PCM_S32BE:
549 case CODEC_ID_PCM_U32LE:
550 case CODEC_ID_PCM_U32BE:
551 size_out = size_out << 1;
552 break;
553 case CODEC_ID_PCM_S24LE:
554 case CODEC_ID_PCM_S24BE:
555 case CODEC_ID_PCM_U24LE:
556 case CODEC_ID_PCM_U24BE:
557 case CODEC_ID_PCM_S24DAUD:
558 size_out = size_out / 2 * 3;
559 break;
a0663ba4
FB		 560 case CODEC_ID_PCM_S16LE:
561 case CODEC_ID_PCM_S16BE:
562 case CODEC_ID_PCM_U16LE:
563 case CODEC_ID_PCM_U16BE:
564 break;
565 default:
566 size_out = size_out >> 1;
567 break;
568 }
115329f1 569 ret = avcodec_encode_audio(enc, audio_out, size_out,
bb270c08 570 (short *)buftmp);
1008ceb3 571 audio_size += ret;
e928649b
MN		 572 pkt.stream_index= ost->index;
573 pkt.data= audio_out;
574 pkt.size= ret;
e7902f20 575 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
c0df9d75 576 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
e928649b 577 pkt.flags |= PKT_FLAG_KEY;
748c2fca 578 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
85f07f22
FB		 579 }
580}
581
10d104e4
PG		 582static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
583{
584 AVCodecContext *dec;
585 AVPicture *picture2;
586 AVPicture picture_tmp;
0c1a9eda 587 uint8_t *buf = 0;
10d104e4 588
01f4895c 589 dec = ist->st->codec;
10d104e4
PG		 590
591 /* deinterlace : must be done before any resize */
bee0d9e5 592 if (do_deinterlace || using_vhook) {
10d104e4
PG		 593 int size;
594
595 /* create temporary picture */
596 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
597 buf = av_malloc(size);
598 if (!buf)
599 return;
115329f1 600
10d104e4
PG		 601 picture2 = &picture_tmp;
602 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
603
dafc3856 604 if (do_deinterlace){
115329f1 605 if(avpicture_deinterlace(picture2, picture,
dafc3856
MN		 606 dec->pix_fmt, dec->width, dec->height) < 0) {
607 /* if error, do not deinterlace */
608 av_free(buf);
609 buf = NULL;
610 picture2 = picture;
611 }
612 } else {
636d6a4a 613 av_picture_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
bee0d9e5 614 }
10d104e4
PG		 615 } else {
616 picture2 = picture;
617 }
618
d0f596b4 619 if (ENABLE_VHOOK)
390d5a7c
DB		 620 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
621 1000000 * ist->pts / AV_TIME_BASE);
10d104e4
PG		 622
623 if (picture != picture2)
624 *picture = *picture2;
625 *bufp = buf;
626}
627
ec5517d5
FB		 628/* we begin to correct av delay at this threshold */
629#define AV_DELAY_MAX 0.100
85f07f22 630
115329f1
DB		 631static void do_subtitle_out(AVFormatContext *s,
632 AVOutputStream *ost,
cf7fc795
FB		 633 AVInputStream *ist,
634 AVSubtitle *sub,
635 int64_t pts)
636{
637 static uint8_t *subtitle_out = NULL;
638 int subtitle_out_max_size = 65536;
639 int subtitle_out_size, nb, i;
640 AVCodecContext *enc;
641 AVPacket pkt;
642
643 if (pts == AV_NOPTS_VALUE) {
644 fprintf(stderr, "Subtitle packets must have a pts\n");
645 return;
646 }
647
01f4895c 648 enc = ost->st->codec;
cf7fc795
FB		 649
650 if (!subtitle_out) {
651 subtitle_out = av_malloc(subtitle_out_max_size);
652 }
653
654 /* Note: DVB subtitle need one packet to draw them and one other
655 packet to clear them */
656 /* XXX: signal it in the codec context ? */
657 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
658 nb = 2;
659 else
660 nb = 1;
661
662 for(i = 0; i < nb; i++) {
115329f1 663 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
cf7fc795 664 subtitle_out_max_size, sub);
115329f1 665
cf7fc795
FB		 666 av_init_packet(&pkt);
667 pkt.stream_index = ost->index;
668 pkt.data = subtitle_out;
669 pkt.size = subtitle_out_size;
fec401f7 670 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
cf7fc795
FB		 671 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
672 /* XXX: the pts correction is handled here. Maybe handling
673 it in the codec would be better */
674 if (i == 0)
675 pkt.pts += 90 * sub->start_display_time;
676 else
677 pkt.pts += 90 * sub->end_display_time;
678 }
748c2fca 679 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
cf7fc795
FB		 680 }
681}
682
8a6cb114 683static int bit_buffer_size= 1024*256;
27537106 684static uint8_t *bit_buffer= NULL;
1ff93ffc 685
115329f1
DB		 686static void do_video_out(AVFormatContext *s,
687 AVOutputStream *ost,
85f07f22 688 AVInputStream *ist,
7a0f9d7e 689 AVFrame *in_picture,
986ebcdb 690 int *frame_size)
85f07f22 691{
ec5517d5 692 int nb_frames, i, ret;
07d0cdfc 693 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
18a54b04 694 AVFrame picture_crop_temp, picture_pad_temp;
cfcf0ffd 695 AVCodecContext *enc, *dec;
115329f1 696
a4d36c11 697 avcodec_get_frame_defaults(&picture_crop_temp);
07d0cdfc 698 avcodec_get_frame_defaults(&picture_pad_temp);
a4d36c11 699
01f4895c
MN		 700 enc = ost->st->codec;
701 dec = ist->st->codec;
85f07f22 702
ec5517d5
FB		 703 /* by default, we output a single frame */
704 nb_frames = 1;
705
204c0f48
PG		 706 *frame_size = 0;
707
986ebcdb 708 if(video_sync_method){
10d104e4 709 double vdelta;
b4a3389e 710 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
e928649b
MN		 711 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
712 if (vdelta < -1.1)
713 nb_frames = 0;
714 else if (vdelta > 1.1)
70122f29 715 nb_frames = lrintf(vdelta);
949b1a13 716//fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, ost->sync_ipts, nb_frames);
50c3dd32
MN		 717 if (nb_frames == 0){
718 ++nb_frames_drop;
719 if (verbose>2)
720 fprintf(stderr, "*** drop!\n");
8300609b
MN		 721 }else if (nb_frames > 1) {
722 nb_frames_dup += nb_frames;
50c3dd32 723 if (verbose>2)
8300609b 724 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
50c3dd32
MN		 725 }
726 }else
b4a3389e 727 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
445f1b83 728
7ca60994 729 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
115329f1 730 if (nb_frames <= 0)
85f07f22 731 return;
ce7c56c2 732
07d0cdfc 733 if (ost->video_crop) {
636d6a4a 734 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
07d0cdfc 735 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
4e780252 736 return;
07d0cdfc
LA		 737 }
738 formatted_picture = &picture_crop_temp;
18a54b04
LA		 739 } else {
740 formatted_picture = in_picture;
07d0cdfc
LA		 741 }
742
743 final_picture = formatted_picture;
744 padding_src = formatted_picture;
745 resampling_dst = &ost->pict_tmp;
746 if (ost->video_pad) {
747 final_picture = &ost->pict_tmp;
748 if (ost->video_resample) {
636d6a4a 749 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
07d0cdfc 750 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
4e780252 751 return;
07d0cdfc
LA		 752 }
753 resampling_dst = &picture_pad_temp;
754 }
755 }
756
85f07f22 757 if (ost->video_resample) {
07d0cdfc 758 padding_src = NULL;
34b10a57 759 final_picture = &ost->pict_tmp;
18a54b04
LA		 760 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
761 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
f122deb4 762 }
07d0cdfc
LA		 763
764 if (ost->video_pad) {
636d6a4a 765 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
07d0cdfc
LA		 766 enc->height, enc->width, enc->pix_fmt,
767 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
85f07f22 768 }
07d0cdfc 769
85f07f22 770 /* duplicates frame if needed */
ec5517d5 771 for(i=0;i<nb_frames;i++) {
e928649b
MN		 772 AVPacket pkt;
773 av_init_packet(&pkt);
774 pkt.stream_index= ost->index;
775
e8750b00
FR		 776 if (s->oformat->flags & AVFMT_RAWPICTURE) {
777 /* raw pictures are written as AVPicture structure to
778 avoid any copies. We support temorarily the older
779 method. */
2744ca9a 780 AVFrame* old_frame = enc->coded_frame;
bb270c08 781 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
e928649b
MN		 782 pkt.data= (uint8_t *)final_picture;
783 pkt.size= sizeof(AVPicture);
e7902f20 784 if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
c0df9d75 785 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
e928649b
MN		 786 if(dec->coded_frame && dec->coded_frame->key_frame)
787 pkt.flags |= PKT_FLAG_KEY;
788
748c2fca 789 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
bb270c08 790 enc->coded_frame = old_frame;
e8750b00 791 } else {
492cd3a9 792 AVFrame big_picture;
a4d36c11
MN		 793
794 big_picture= *final_picture;
7a0f9d7e
FB		 795 /* better than nothing: use input picture interlaced
796 settings */
797 big_picture.interlaced_frame = in_picture->interlaced_frame;
23b254fb 798 if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
bb198e19
MN		 799 if(top_field_first == -1)
800 big_picture.top_field_first = in_picture->top_field_first;
801 else
2a8edc5d 802 big_picture.top_field_first = top_field_first;
bb198e19 803 }
7a0f9d7e 804
85f07f22
FB		 805 /* handles sameq here. This is not correct because it may
806 not be a global option */
807 if (same_quality) {
1e491e29
MN		 808 big_picture.quality = ist->st->quality;
809 }else
810 big_picture.quality = ost->st->quality;
f4f3223f
MN		 811 if(!me_threshold)
812 big_picture.pict_type = 0;
50c3dd32 813// big_picture.pts = AV_NOPTS_VALUE;
c0df9d75
MN		 814 big_picture.pts= ost->sync_opts;
815// big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
949b1a13 816//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
115329f1 817 ret = avcodec_encode_video(enc,
8a6cb114 818 bit_buffer, bit_buffer_size,
1e491e29 819 &big_picture);
4156a436
PI		 820 if (ret == -1) {
821 fprintf(stderr, "Video encoding failed\n");
822 exit(1);
823 }
44429457 824 //enc->frame_number = enc->real_pict_num;
4bbc6260 825 if(ret>0){
27537106 826 pkt.data= bit_buffer;
e928649b 827 pkt.size= ret;
e7902f20 828 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
c0df9d75 829 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
949b1a13 830/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
c0df9d75
MN		 831 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
832 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
50c3dd32 833
e928649b
MN		 834 if(enc->coded_frame && enc->coded_frame->key_frame)
835 pkt.flags |= PKT_FLAG_KEY;
748c2fca 836 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
e928649b
MN		 837 *frame_size = ret;
838 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
839 // enc->frame_number-1, enc->real_pict_num, ret,
840 // enc->pict_type);
841 /* if two pass, output log */
842 if (ost->logfile && enc->stats_out) {
843 fprintf(ost->logfile, "%s", enc->stats_out);
844 }
5abdb4b1 845 }
85f07f22 846 }
50c3dd32 847 ost->sync_opts++;
ec5517d5 848 ost->frame_number++;
85f07f22
FB		 849 }
850}
851
140cb663
MN		 852static double psnr(double d){
853 if(d==0) return INFINITY;
b29f97d1 854 return -10.0*log(d)/log(10.0);
140cb663
MN		 855}
856
115329f1 857static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
ec5517d5 858 int frame_size)
ce7c56c2 859{
ce7c56c2
J		 860 AVCodecContext *enc;
861 int frame_number;
ce7c56c2 862 double ti1, bitrate, avg_bitrate;
115329f1 863
b60d1379 864 /* this is executed just the first time do_video_stats is called */
032aa7df
SS		 865 if (!vstats_file) {
866 vstats_file = fopen(vstats_filename, "w");
867 if (!vstats_file) {
4bd0c2b1
BF		 868 perror("fopen");
869 exit(1);
870 }
871 }
872
01f4895c 873 enc = ost->st->codec;
ce7c56c2 874 if (enc->codec_type == CODEC_TYPE_VIDEO) {
ec5517d5 875 frame_number = ost->frame_number;
032aa7df 876 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
140cb663 877 if (enc->flags&CODEC_FLAG_PSNR)
032aa7df 878 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
115329f1 879
032aa7df 880 fprintf(vstats_file,"f_size= %6d ", frame_size);
ec5517d5 881 /* compute pts value */
c0df9d75 882 ti1 = ost->sync_opts * av_q2d(enc->time_base);
ce7c56c2
J		 883 if (ti1 < 0.01)
884 ti1 = 0.01;
115329f1 885
c0df9d75 886 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1008ceb3 887 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
032aa7df 888 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1008ceb3 889 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
032aa7df 890 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
ce7c56c2 891 }
ec5517d5
FB		 892}
893
b29f97d1 894static void print_report(AVFormatContext **output_files,
bb270c08
DB		 895 AVOutputStream **ost_table, int nb_ostreams,
896 int is_last_report)
ec5517d5
FB		 897{
898 char buf[1024];
899 AVOutputStream *ost;
900 AVFormatContext *oc, *os;
0c1a9eda 901 int64_t total_size;
ec5517d5
FB		 902 AVCodecContext *enc;
903 int frame_number, vid, i;
904 double bitrate, ti1, pts;
0c1a9eda 905 static int64_t last_time = -1;
0888fd22 906 static int qp_histogram[52];
115329f1 907
ec5517d5 908 if (!is_last_report) {
0c1a9eda 909 int64_t cur_time;
ec5517d5
FB		 910 /* display the report every 0.5 seconds */
911 cur_time = av_gettime();
912 if (last_time == -1) {
913 last_time = cur_time;
914 return;
115329f1 915 }
ec5517d5
FB		 916 if ((cur_time - last_time) < 500000)
917 return;
918 last_time = cur_time;
919 }
920
ce7c56c2 921
ec5517d5
FB		 922 oc = output_files[0];
923
899681cd 924 total_size = url_fsize(oc->pb);
859d95ba 925 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
899681cd 926 total_size= url_ftell(oc->pb);
115329f1 927
ec5517d5
FB		 928 buf[0] = '\0';
929 ti1 = 1e10;
930 vid = 0;
931 for(i=0;i<nb_ostreams;i++) {
932 ost = ost_table[i];
933 os = output_files[ost->file_index];
01f4895c 934 enc = ost->st->codec;
10d104e4 935 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
0ecca7a4 936 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
158c7f05 937 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
10d104e4 938 }
ec5517d5 939 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
7fc98937
LW		 940 float t = (av_gettime()-timer_start) / 1000000.0;
941
ec5517d5 942 frame_number = ost->frame_number;
7fc98937
LW		 943 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
944 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
945 enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
890972be 946 if(is_last_report)
0ecca7a4 947 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
0888fd22
MN		 948 if(qp_hist && enc->coded_frame){
949 int j;
950 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
951 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
952 qp_histogram[qp]++;
953 for(j=0; j<32; j++)
954 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
955 }
890972be
MN		 956 if (enc->flags&CODEC_FLAG_PSNR){
957 int j;
958 double error, error_sum=0;
959 double scale, scale_sum=0;
960 char type[3]= {'Y','U','V'};
0ecca7a4 961 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
890972be
MN		 962 for(j=0; j<3; j++){
963 if(is_last_report){
964 error= enc->error[j];
965 scale= enc->width*enc->height*255.0*255.0*frame_number;
966 }else{
967 error= enc->coded_frame->error[j];
968 scale= enc->width*enc->height*255.0*255.0;
969 }
970 if(j) scale/=4;
971 error_sum += error;
972 scale_sum += scale;
0ecca7a4 973 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
890972be 974 }
0ecca7a4 975 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
890972be 976 }
ec5517d5
FB		 977 vid = 1;
978 }
979 /* compute min output value */
43924f01 980 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
5d9827bc 981 if ((pts < ti1) && (pts > 0))
ec5517d5
FB		 982 ti1 = pts;
983 }
984 if (ti1 < 0.01)
985 ti1 = 0.01;
115329f1 986
f068206e
BE		 987 if (verbose || is_last_report) {
988 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
115329f1
DB		 989
990 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
ec5517d5
FB		 991 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
992 (double)total_size / 1024, ti1, bitrate);
a6a92a9a 993
bb270c08
DB		 994 if (verbose > 1)
995 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
996 nb_frames_dup, nb_frames_drop);
115329f1 997
d8019eb5
AD		 998 if (verbose >= 0)
999 fprintf(stderr, "%s \r", buf);
1000
ec5517d5
FB		 1001 fflush(stderr);
1002 }
115329f1 1003
1008ceb3
MN		 1004 if (is_last_report && verbose >= 0){
1005 int64_t raw= audio_size + video_size + extra_size;
f068206e 1006 fprintf(stderr, "\n");
1008ceb3
MN		 1007 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1008 video_size/1024.0,
1009 audio_size/1024.0,
1010 extra_size/1024.0,
1011 100.0*(total_size - raw)/raw
1012 );
1013 }
ce7c56c2
J		 1014}
1015
a700a6ae
FB		 1016/* pkt = NULL means EOF (needed to flush decoder buffers) */
1017static int output_packet(AVInputStream *ist, int ist_index,
1018 AVOutputStream **ost_table, int nb_ostreams,
4b85a28f 1019 const AVPacket *pkt)
a700a6ae
FB		 1020{
1021 AVFormatContext *os;
1022 AVOutputStream *ost;
1023 uint8_t *ptr;
1024 int len, ret, i;
1025 uint8_t *data_buf;
1026 int data_size, got_picture;
1027 AVFrame picture;
a700a6ae 1028 void *buffer_to_free;
f038fe8b 1029 static unsigned int samples_size= 0;
78953e62 1030 static short *samples= NULL;
cf7fc795
FB		 1031 AVSubtitle subtitle, *subtitle_to_free;
1032 int got_subtitle;
115329f1 1033
2b18dcd0
MN		 1034 if(!pkt){
1035 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1036 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
c0df9d75 1037 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
a700a6ae 1038 } else {
a603bf8d 1039// assert(ist->pts == ist->next_pts);
a700a6ae 1040 }
115329f1 1041
a700a6ae
FB		 1042 if (pkt == NULL) {
1043 /* EOF handling */
1044 ptr = NULL;
1045 len = 0;
1046 goto handle_eof;
1047 }
1048
1049 len = pkt->size;
1050 ptr = pkt->data;
1051 while (len > 0) {
1052 handle_eof:
1053 /* decode the packet if needed */
1054 data_buf = NULL; /* fail safe */
1055 data_size = 0;
cf7fc795 1056 subtitle_to_free = NULL;
a700a6ae 1057 if (ist->decoding_needed) {
01f4895c 1058 switch(ist->st->codec->codec_type) {
df84ac2e 1059 case CODEC_TYPE_AUDIO:{
115329f1 1060 if(pkt)
5508d26b 1061 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE));
5d55e966 1062 data_size= samples_size;
a700a6ae
FB		 1063 /* XXX: could avoid copy if PCM 16 bits with same
1064 endianness as CPU */
5d55e966 1065 ret = avcodec_decode_audio2(ist->st->codec, samples, &data_size,
a700a6ae
FB		 1066 ptr, len);
1067 if (ret < 0)
1068 goto fail_decode;
1069 ptr += ret;
1070 len -= ret;
1071 /* Some bug in mpeg audio decoder gives */
1072 /* data_size < 0, it seems they are overflows */
1073 if (data_size <= 0) {
1074 /* no audio frame */
1075 continue;
1076 }
1077 data_buf = (uint8_t *)samples;
115329f1 1078 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
01f4895c 1079 (ist->st->codec->sample_rate * ist->st->codec->channels);
df84ac2e 1080 break;}
a700a6ae 1081 case CODEC_TYPE_VIDEO:
01f4895c 1082 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
a700a6ae 1083 /* XXX: allocate picture correctly */
9740beff
MN		 1084 avcodec_get_frame_defaults(&picture);
1085
115329f1 1086 ret = avcodec_decode_video(ist->st->codec,
a700a6ae
FB		 1087 &picture, &got_picture, ptr, len);
1088 ist->st->quality= picture.quality;
115329f1 1089 if (ret < 0)
a700a6ae
FB		 1090 goto fail_decode;
1091 if (!got_picture) {
1092 /* no picture yet */
1093 goto discard_packet;
1094 }
01f4895c 1095 if (ist->st->codec->time_base.num != 0) {
115329f1 1096 ist->next_pts += ((int64_t)AV_TIME_BASE *
01f4895c
MN		 1097 ist->st->codec->time_base.num) /
1098 ist->st->codec->time_base.den;
a700a6ae
FB		 1099 }
1100 len = 0;
1101 break;
cf7fc795 1102 case CODEC_TYPE_SUBTITLE:
115329f1 1103 ret = avcodec_decode_subtitle(ist->st->codec,
cf7fc795
FB		 1104 &subtitle, &got_subtitle, ptr, len);
1105 if (ret < 0)
a700a6ae 1106 goto fail_decode;
cf7fc795
FB		 1107 if (!got_subtitle) {
1108 goto discard_packet;
a700a6ae 1109 }
cf7fc795
FB		 1110 subtitle_to_free = &subtitle;
1111 len = 0;
1112 break;
1113 default:
1114 goto fail_decode;
1115 }
1116 } else {
bde0705c
LW		 1117 switch(ist->st->codec->codec_type) {
1118 case CODEC_TYPE_AUDIO:
1119 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1c715415 1120 ist->st->codec->sample_rate;
bde0705c
LW		 1121 break;
1122 case CODEC_TYPE_VIDEO:
1123 if (ist->st->codec->time_base.num != 0) {
1124 ist->next_pts += ((int64_t)AV_TIME_BASE *
1125 ist->st->codec->time_base.num) /
1126 ist->st->codec->time_base.den;
2fef0bdf 1127 }
bde0705c 1128 break;
a700a6ae 1129 }
bde0705c
LW		 1130 data_buf = ptr;
1131 data_size = len;
1132 ret = len;
1133 len = 0;
1134 }
a700a6ae 1135
bde0705c
LW		 1136 buffer_to_free = NULL;
1137 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1138 pre_process_video_frame(ist, (AVPicture *)&picture,
1139 &buffer_to_free);
1140 }
a700a6ae 1141
bde0705c
LW		 1142 // preprocess audio (volume)
1143 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1144 if (audio_volume != 256) {
1145 short *volp;
1146 volp = samples;
1147 for(i=0;i<(data_size / sizeof(short));i++) {
1148 int v = ((*volp) * audio_volume + 128) >> 8;
1149 if (v < -32768) v = -32768;
1150 if (v > 32767) v = 32767;
1151 *volp++ = v;
7e987c33
C		 1152 }
1153 }
bde0705c 1154 }
7e987c33 1155
bde0705c
LW		 1156 /* frame rate emulation */
1157 if (ist->st->codec->rate_emu) {
1158 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1159 int64_t now = av_gettime() - ist->start;
1160 if (pts > now)
1161 usleep(pts - now);
a700a6ae 1162
bde0705c
LW		 1163 ist->frame++;
1164 }
a700a6ae
FB		 1165
1166#if 0
bde0705c
LW		 1167 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1168 is the one of the next displayed one */
1169 /* XXX: add mpeg4 too ? */
1170 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1171 if (ist->st->codec->pict_type != B_TYPE) {
1172 int64_t tmp;
1173 tmp = ist->last_ip_pts;
1174 ist->last_ip_pts = ist->frac_pts.val;
1175 ist->frac_pts.val = tmp;
a700a6ae 1176 }
bde0705c 1177 }
a700a6ae 1178#endif
bde0705c
LW		 1179 /* if output time reached then transcode raw format,
1180 encode packets and output them */
1181 if (start_time == 0 || ist->pts >= start_time)
1182 for(i=0;i<nb_ostreams;i++) {
1183 int frame_size;
a700a6ae 1184
bde0705c
LW		 1185 ost = ost_table[i];
1186 if (ost->source_index == ist_index) {
1187 os = output_files[ost->file_index];
a700a6ae
FB		 1188
1189#if 0
bde0705c
LW		 1190 printf("%d: got pts=%0.3f %0.3f\n", i,
1191 (double)pkt->pts / AV_TIME_BASE,
1192 ((double)ist->pts / AV_TIME_BASE) -
1193 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
a700a6ae 1194#endif
bde0705c
LW		 1195 /* set the input output pts pairs */
1196 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1197
1198 if (ost->encoding_needed) {
1199 switch(ost->st->codec->codec_type) {
1200 case CODEC_TYPE_AUDIO:
1201 do_audio_out(os, ost, ist, data_buf, data_size);
1202 break;
1203 case CODEC_TYPE_VIDEO:
1204 do_video_out(os, ost, ist, &picture, &frame_size);
1205 video_size += frame_size;
b60d1379 1206 if (vstats_filename && frame_size)
bde0705c
LW		 1207 do_video_stats(os, ost, frame_size);
1208 break;
1209 case CODEC_TYPE_SUBTITLE:
1210 do_subtitle_out(os, ost, ist, &subtitle,
1211 pkt->pts);
1212 break;
1213 default:
0f4e8165 1214 abort();
bde0705c
LW		 1215 }
1216 } else {
1217 AVFrame avframe; //FIXME/XXX remove this
1218 AVPacket opkt;
1219 av_init_packet(&opkt);
1220
7cacf1e8
MN		 1221 if (!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY))
1222 continue;
1223
bde0705c
LW		 1224 /* no reencoding needed : output the packet directly */
1225 /* force the input stream PTS */
1226
1227 avcodec_get_frame_defaults(&avframe);
1228 ost->st->codec->coded_frame= &avframe;
1229 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1230
1231 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1232 audio_size += data_size;
1233 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1234 video_size += data_size;
1235 ost->sync_opts++;
1236 }
1237
1238 opkt.stream_index= ost->index;
1239 if(pkt->pts != AV_NOPTS_VALUE)
fec401f7 1240 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base);
bde0705c
LW		 1241 else
1242 opkt.pts= AV_NOPTS_VALUE;
1243
bde0705c 1244 if (pkt->dts == AV_NOPTS_VALUE)
c0dd7b7c 1245 opkt.dts = av_rescale_q(ist->next_pts, AV_TIME_BASE_Q, ost->st->time_base);
6c55b27f 1246 else
c0dd7b7c
MN		 1247 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1248
a03d59b7 1249 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
bde0705c
LW		 1250 opkt.flags= pkt->flags;
1251
1252 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1253 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1254 opkt.destruct= av_destruct_packet;
1255
1256 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][pkt->stream_index]);
1257 ost->st->codec->frame_number++;
1258 ost->frame_number++;
1259 av_free_packet(&opkt);
a700a6ae
FB		 1260 }
1261 }
bde0705c
LW		 1262 }
1263 av_free(buffer_to_free);
1264 /* XXX: allocate the subtitles in the codec ? */
1265 if (subtitle_to_free) {
1266 if (subtitle_to_free->rects != NULL) {
1267 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1268 av_free(subtitle_to_free->rects[i].bitmap);
1269 av_free(subtitle_to_free->rects[i].rgba_palette);
c6ec28b1 1270 }
bde0705c 1271 av_freep(&subtitle_to_free->rects);
cf7fc795 1272 }
bde0705c
LW		 1273 subtitle_to_free->num_rects = 0;
1274 subtitle_to_free = NULL;
a700a6ae 1275 }
bde0705c 1276 }
a700a6ae 1277 discard_packet:
6f824977
MN		 1278 if (pkt == NULL) {
1279 /* EOF handling */
115329f1 1280
6f824977
MN		 1281 for(i=0;i<nb_ostreams;i++) {
1282 ost = ost_table[i];
1283 if (ost->source_index == ist_index) {
01f4895c 1284 AVCodecContext *enc= ost->st->codec;
6f824977 1285 os = output_files[ost->file_index];
115329f1 1286
01f4895c 1287 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
6f824977 1288 continue;
01f4895c 1289 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
6f824977
MN		 1290 continue;
1291
1292 if (ost->encoding_needed) {
1293 for(;;) {
1294 AVPacket pkt;
cef7cc72 1295 int fifo_bytes;
6f824977
MN		 1296 av_init_packet(&pkt);
1297 pkt.stream_index= ost->index;
115329f1 1298
01f4895c 1299 switch(ost->st->codec->codec_type) {
115329f1 1300 case CODEC_TYPE_AUDIO:
f5a478f6 1301 fifo_bytes = av_fifo_size(&ost->fifo);
cef7cc72
JR		 1302 ret = 0;
1303 /* encode any samples remaining in fifo */
1304 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1305 int fs_tmp = enc->frame_size;
1306 enc->frame_size = fifo_bytes / (2 * enc->channels);
f5a478f6 1307 if(av_fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes) == 0) {
cef7cc72
JR		 1308 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1309 }
1310 enc->frame_size = fs_tmp;
9e0db7d5
MN		 1311 }
1312 if(ret <= 0) {
cef7cc72
JR		 1313 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1314 }
6f824977
MN		 1315 audio_size += ret;
1316 pkt.flags |= PKT_FLAG_KEY;
1317 break;
1318 case CODEC_TYPE_VIDEO:
8a6cb114 1319 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
6f824977
MN		 1320 video_size += ret;
1321 if(enc->coded_frame && enc->coded_frame->key_frame)
1322 pkt.flags |= PKT_FLAG_KEY;
1323 if (ost->logfile && enc->stats_out) {
1324 fprintf(ost->logfile, "%s", enc->stats_out);
1325 }
1326 break;
1327 default:
1328 ret=-1;
1329 }
115329f1 1330
6f824977
MN		 1331 if(ret<=0)
1332 break;
27537106 1333 pkt.data= bit_buffer;
6f824977 1334 pkt.size= ret;
e7902f20 1335 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
c0df9d75 1336 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
748c2fca 1337 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
6f824977
MN		 1338 }
1339 }
1340 }
1341 }
1342 }
115329f1 1343
a700a6ae
FB		 1344 return 0;
1345 fail_decode:
1346 return -1;
1347}
1348
6d1ba1ac
LA		 1349static void print_sdp(AVFormatContext **avc, int n)
1350{
1351 char sdp[2048];
1352
1353 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1354 printf("SDP:\n%s\n", sdp);
1355}
a700a6ae 1356
50e143c4
NS		 1357static int stream_index_from_inputs(AVFormatContext **input_files,
1358 int nb_input_files,
1359 AVInputFile *file_table,
1360 AVInputStream **ist_table,
1361 enum CodecType type,
1362 int programid)
1363{
c1a4cdf9 1364 int p, q, z;
50e143c4
NS		 1365 for(z=0; z<nb_input_files; z++) {
1366 AVFormatContext *ic = input_files[z];
1367 for(p=0; p<ic->nb_programs; p++) {
1368 AVProgram *program = ic->programs[p];
1369 if(program->id != programid)
1370 continue;
1371 for(q=0; q<program->nb_stream_indexes; q++) {
1372 int sidx = program->stream_index[q];
1373 int ris = file_table[z].ist_index + sidx;
1374 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1375 return ris;
1376 }
1377 }
1378 }
1379
1380 return -1;
1381}
1382
85f07f22
FB		 1383/*
1384 * The following code is the main loop of the file converter
1385 */
1386static int av_encode(AVFormatContext **output_files,
1387 int nb_output_files,
1388 AVFormatContext **input_files,
1389 int nb_input_files,
1390 AVStreamMap *stream_maps, int nb_stream_maps)
1391{
445f1b83 1392 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
85f07f22
FB		 1393 AVFormatContext *is, *os;
1394 AVCodecContext *codec, *icodec;
1395 AVOutputStream *ost, **ost_table = NULL;
1396 AVInputStream *ist, **ist_table = NULL;
bdc4796f 1397 AVInputFile *file_table;
cb09b2ed 1398 int key;
6d1ba1ac 1399 int want_sdp = 1;
bdc4796f 1400
90901860 1401 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
bdc4796f
FB		 1402 if (!file_table)
1403 goto fail;
115329f1 1404
85f07f22
FB		 1405 /* input stream init */
1406 j = 0;
1407 for(i=0;i<nb_input_files;i++) {
1408 is = input_files[i];
1409 file_table[i].ist_index = j;
79fdaa4c 1410 file_table[i].nb_streams = is->nb_streams;
85f07f22
FB		 1411 j += is->nb_streams;
1412 }
1413 nb_istreams = j;
1414
1415 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1416 if (!ist_table)
bdc4796f 1417 goto fail;
115329f1 1418
85f07f22
FB		 1419 for(i=0;i<nb_istreams;i++) {
1420 ist = av_mallocz(sizeof(AVInputStream));
1421 if (!ist)
1422 goto fail;
1423 ist_table[i] = ist;
1424 }
1425 j = 0;
1426 for(i=0;i<nb_input_files;i++) {
1427 is = input_files[i];
1428 for(k=0;k<is->nb_streams;k++) {
1429 ist = ist_table[j++];
1430 ist->st = is->streams[k];
1431 ist->file_index = i;
1432 ist->index = k;
1433 ist->discard = 1; /* the stream is discarded by default
1434 (changed later) */
bdfcbbed 1435
01f4895c 1436 if (ist->st->codec->rate_emu) {
bdfcbbed
MK		 1437 ist->start = av_gettime();
1438 ist->frame = 0;
1439 }
85f07f22
FB		 1440 }
1441 }
1442
1443 /* output stream init */
1444 nb_ostreams = 0;
1445 for(i=0;i<nb_output_files;i++) {
1446 os = output_files[i];
8a7bde1c
BC		 1447 if (!os->nb_streams) {
1448 fprintf(stderr, "Output file does not contain any stream\n");
1449 exit(1);
1450 }
85f07f22
FB		 1451 nb_ostreams += os->nb_streams;
1452 }
1453 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1454 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1455 exit(1);
1456 }
1457
bd073980
BF		 1458 /* Sanity check the mapping args -- do the input files & streams exist? */
1459 for(i=0;i<nb_stream_maps;i++) {
1460 int fi = stream_maps[i].file_index;
1461 int si = stream_maps[i].stream_index;
115329f1 1462
bd073980
BF		 1463 if (fi < 0 || fi > nb_input_files - 1 ||
1464 si < 0 || si > file_table[fi].nb_streams - 1) {
1465 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1466 exit(1);
1467 }
b4a3389e
WG		 1468 fi = stream_maps[i].sync_file_index;
1469 si = stream_maps[i].sync_stream_index;
1470 if (fi < 0 || fi > nb_input_files - 1 ||
1471 si < 0 || si > file_table[fi].nb_streams - 1) {
1472 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1473 exit(1);
1474 }
bd073980 1475 }
115329f1 1476
85f07f22
FB		 1477 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1478 if (!ost_table)
1479 goto fail;
1480 for(i=0;i<nb_ostreams;i++) {
1481 ost = av_mallocz(sizeof(AVOutputStream));
1482 if (!ost)
1483 goto fail;
1484 ost_table[i] = ost;
1485 }
115329f1 1486
85f07f22
FB		 1487 n = 0;
1488 for(k=0;k<nb_output_files;k++) {
1489 os = output_files[k];
1490 for(i=0;i<os->nb_streams;i++) {
1491 int found;
1492 ost = ost_table[n++];
1493 ost->file_index = k;
1494 ost->index = i;
1495 ost->st = os->streams[i];
1496 if (nb_stream_maps > 0) {
115329f1 1497 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
85f07f22 1498 stream_maps[n-1].stream_index;
115329f1 1499
bd073980 1500 /* Sanity check that the stream types match */
01f4895c 1501 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
bd073980
BF		 1502 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1503 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1504 ost->file_index, ost->index);
1505 exit(1);
1506 }
115329f1 1507
85f07f22 1508 } else {
50e143c4
NS		 1509 if(opt_programid) {
1510 found = 0;
1511 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1512 if(j != -1) {
1513 ost->source_index = j;
1514 found = 1;
1515 }
1516 } else {
a15bc651
NS		 1517 /* get corresponding input stream index : we select the first one with the right type */
1518 found = 0;
85f07f22
FB		 1519 for(j=0;j<nb_istreams;j++) {
1520 ist = ist_table[j];
a15bc651
NS		 1521 if (ist->discard &&
1522 ist->st->codec->codec_type == ost->st->codec->codec_type) {
85f07f22
FB		 1523 ost->source_index = j;
1524 found = 1;
a15bc651 1525 break;
85f07f22
FB		 1526 }
1527 }
a15bc651
NS		 1528 }
1529
1530 if (!found) {
1531 if(! opt_programid) {
1532 /* try again and reuse existing stream */
1533 for(j=0;j<nb_istreams;j++) {
1534 ist = ist_table[j];
1535 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1536 ost->source_index = j;
1537 found = 1;
1538 }
1539 }
50e143c4 1540 }
85f07f22
FB		 1541 if (!found) {
1542 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1543 ost->file_index, ost->index);
1544 exit(1);
1545 }
1546 }
1547 }
1548 ist = ist_table[ost->source_index];
1549 ist->discard = 0;
b4a3389e
WG		 1550 ost->sync_ist = (nb_stream_maps > 0) ?
1551 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1552 stream_maps[n-1].sync_stream_index] : ist;
85f07f22
FB		 1553 }
1554 }
1555
85f07f22
FB		 1556 /* for each output stream, we compute the right encoding parameters */
1557 for(i=0;i<nb_ostreams;i++) {
1558 ost = ost_table[i];
365515ac 1559 os = output_files[ost->file_index];
85f07f22
FB		 1560 ist = ist_table[ost->source_index];
1561
01f4895c
MN		 1562 codec = ost->st->codec;
1563 icodec = ist->st->codec;
85f07f22 1564
8e0d882b
AJ		 1565 if (!ost->st->language[0])
1566 av_strlcpy(ost->st->language, ist->st->language,
1567 sizeof(ost->st->language));
1568
1629626f
FB		 1569 if (ost->st->stream_copy) {
1570 /* if stream_copy is selected, no need to decode or encode */
1571 codec->codec_id = icodec->codec_id;
1572 codec->codec_type = icodec->codec_type;
365515ac
MN		 1573
1574 if(!codec->codec_tag){
1575 if( !os->oformat->codec_tag
1576 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1577 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1578 codec->codec_tag = icodec->codec_tag;
1579 }
1580
1629626f 1581 codec->bit_rate = icodec->bit_rate;
dffbfd06
MN		 1582 codec->extradata= icodec->extradata;
1583 codec->extradata_size= icodec->extradata_size;
4408e75e 1584 if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
d29de719
MN		 1585 codec->time_base = icodec->time_base;
1586 else
1587 codec->time_base = ist->st->time_base;
1629626f
FB		 1588 switch(codec->codec_type) {
1589 case CODEC_TYPE_AUDIO:
1590 codec->sample_rate = icodec->sample_rate;
1591 codec->channels = icodec->channels;
0a3b0447 1592 codec->frame_size = icodec->frame_size;
c1344911 1593 codec->block_align= icodec->block_align;
4efd6f58
MN		 1594 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1595 codec->block_align= 0;
1629626f
FB		 1596 break;
1597 case CODEC_TYPE_VIDEO:
8d74e55b
MD		 1598 if(using_vhook) {
1599 fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
1600 exit(1);
1601 }
9df3437f 1602 codec->pix_fmt = icodec->pix_fmt;
1629626f
FB		 1603 codec->width = icodec->width;
1604 codec->height = icodec->height;
ff8cc24b 1605 codec->has_b_frames = icodec->has_b_frames;
1629626f 1606 break;
cf7fc795
FB		 1607 case CODEC_TYPE_SUBTITLE:
1608 break;
1629626f 1609 default:
0f4e8165 1610 abort();
1629626f
FB		 1611 }
1612 } else {
1613 switch(codec->codec_type) {
1614 case CODEC_TYPE_AUDIO:
f5a478f6 1615 if (av_fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
85f07f22 1616 goto fail;
115329f1 1617
85f07f22
FB		 1618 if (codec->channels == icodec->channels &&
1619 codec->sample_rate == icodec->sample_rate) {
1620 ost->audio_resample = 0;
1621 } else {
e0d2714a 1622 if (codec->channels != icodec->channels &&
23c99253
MN		 1623 (icodec->codec_id == CODEC_ID_AC3 ||
1624 icodec->codec_id == CODEC_ID_DTS)) {
1625 /* Special case for 5:1 AC3 and DTS input */
e0d2714a 1626 /* and mono or stereo output */
6dc96cb0
J		 1627 /* Request specific number of channels */
1628 icodec->channels = codec->channels;
1629 if (codec->sample_rate == icodec->sample_rate)
1630 ost->audio_resample = 0;
1631 else {
1632 ost->audio_resample = 1;
6dc96cb0 1633 }
e0d2714a 1634 } else {
115329f1 1635 ost->audio_resample = 1;
986ebcdb
MN		 1636 }
1637 }
ff4905a5 1638 if(audio_sync_method>1)
986ebcdb
MN		 1639 ost->audio_resample = 1;
1640
1641 if(ost->audio_resample){
1642 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1643 codec->sample_rate, icodec->sample_rate);
1644 if(!ost->resample){
1645 printf("Can't resample. Aborting.\n");
0f4e8165 1646 abort();
e0d2714a 1647 }
85f07f22
FB		 1648 }
1649 ist->decoding_needed = 1;
1650 ost->encoding_needed = 1;
1629626f
FB		 1651 break;
1652 case CODEC_TYPE_VIDEO:
c3f11d19
LA		 1653 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1654 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1655 ost->video_resample = ((codec->width != icodec->width -
1656 (frame_leftBand + frame_rightBand) +
1657 (frame_padleft + frame_padright)) ||
1658 (codec->height != icodec->height -
1659 (frame_topBand + frame_bottomBand) +
18a54b04
LA		 1660 (frame_padtop + frame_padbottom)) ||
1661 (codec->pix_fmt != icodec->pix_fmt));
c3f11d19 1662 if (ost->video_crop) {
34b10a57
D		 1663 ost->topBand = frame_topBand;
1664 ost->leftBand = frame_leftBand;
c3f11d19
LA		 1665 }
1666 if (ost->video_pad) {
1ff93ffc
TK		 1667 ost->padtop = frame_padtop;
1668 ost->padleft = frame_padleft;
1669 ost->padbottom = frame_padbottom;
1670 ost->padright = frame_padright;
c3f11d19
LA		 1671 if (!ost->video_resample) {
1672 avcodec_get_frame_defaults(&ost->pict_tmp);
1673 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1674 codec->width, codec->height ) )
1675 goto fail;
1676 }
1677 }
1678 if (ost->video_resample) {
2de28abb 1679 avcodec_get_frame_defaults(&ost->pict_tmp);
18a54b04 1680 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
eddc482d
BC		 1681 codec->width, codec->height ) ) {
1682 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
7a168618 1683 exit(1);
eddc482d 1684 }
9de8e6ac 1685 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
18a54b04
LA		 1686 ost->img_resample_ctx = sws_getContext(
1687 icodec->width - (frame_leftBand + frame_rightBand),
1688 icodec->height - (frame_topBand + frame_bottomBand),
1689 icodec->pix_fmt,
07d0cdfc
LA		 1690 codec->width - (frame_padleft + frame_padright),
1691 codec->height - (frame_padtop + frame_padbottom),
18a54b04
LA		 1692 codec->pix_fmt,
1693 sws_flags, NULL, NULL, NULL);
0b50ac8a
LA		 1694 if (ost->img_resample_ctx == NULL) {
1695 fprintf(stderr, "Cannot get resampling context\n");
1696 exit(1);
1697 }
18a54b04 1698 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
85f07f22
FB		 1699 }
1700 ost->encoding_needed = 1;
1701 ist->decoding_needed = 1;
1629626f 1702 break;
cf7fc795
FB		 1703 case CODEC_TYPE_SUBTITLE:
1704 ost->encoding_needed = 1;
1705 ist->decoding_needed = 1;
1706 break;
1629626f 1707 default:
0f4e8165 1708 abort();
cf7fc795 1709 break;
85f07f22 1710 }
1629626f 1711 /* two pass mode */
115329f1 1712 if (ost->encoding_needed &&
1629626f
FB		 1713 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1714 char logfilename[1024];
1715 FILE *f;
1716 int size;
1717 char *logbuffer;
115329f1
DB		 1718
1719 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1720 pass_logfilename ?
1629626f
FB		 1721 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1722 if (codec->flags & CODEC_FLAG_PASS1) {
1723 f = fopen(logfilename, "w");
1724 if (!f) {
1725 perror(logfilename);
1726 exit(1);
1727 }
1728 ost->logfile = f;
1729 } else {
1730 /* read the log file */
1731 f = fopen(logfilename, "r");
1732 if (!f) {
1733 perror(logfilename);
1734 exit(1);
1735 }
1736 fseek(f, 0, SEEK_END);
1737 size = ftell(f);
1738 fseek(f, 0, SEEK_SET);
1739 logbuffer = av_malloc(size + 1);
1740 if (!logbuffer) {
1741 fprintf(stderr, "Could not allocate log buffer\n");
1742 exit(1);
1743 }
4776fa92 1744 size = fread(logbuffer, 1, size, f);
1629626f
FB		 1745 fclose(f);
1746 logbuffer[size] = '\0';
1747 codec->stats_in = logbuffer;
5abdb4b1 1748 }
5abdb4b1
FB		 1749 }
1750 }
8a6cb114
MN		 1751 if(codec->codec_type == CODEC_TYPE_VIDEO){
1752 int size= codec->width * codec->height;
1753 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1754 }
85f07f22
FB		 1755 }
1756
8a6cb114
MN		 1757 if (!bit_buffer)
1758 bit_buffer = av_malloc(bit_buffer_size);
1759 if (!bit_buffer)
1760 goto fail;
1761
1629626f
FB		 1762 /* dump the file output parameters - cannot be done before in case
1763 of stream copy */
1764 for(i=0;i<nb_output_files;i++) {
1765 dump_format(output_files[i], i, output_files[i]->filename, 1);
1766 }
1767
1768 /* dump the stream mapping */
d8019eb5
AD		 1769 if (verbose >= 0) {
1770 fprintf(stderr, "Stream mapping:\n");
1771 for(i=0;i<nb_ostreams;i++) {
1772 ost = ost_table[i];
b4a3389e 1773 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
d8019eb5
AD		 1774 ist_table[ost->source_index]->file_index,
1775 ist_table[ost->source_index]->index,
115329f1 1776 ost->file_index,
d8019eb5 1777 ost->index);
b4a3389e
WG		 1778 if (ost->sync_ist != ist_table[ost->source_index])
1779 fprintf(stderr, " [sync #%d.%d]",
1780 ost->sync_ist->file_index,
1781 ost->sync_ist->index);
1782 fprintf(stderr, "\n");
d8019eb5 1783 }
1629626f
FB		 1784 }
1785
85f07f22
FB		 1786 /* open each encoder */
1787 for(i=0;i<nb_ostreams;i++) {
1788 ost = ost_table[i];
1789 if (ost->encoding_needed) {
1790 AVCodec *codec;
01f4895c 1791 codec = avcodec_find_encoder(ost->st->codec->codec_id);
85f07f22 1792 if (!codec) {
115329f1 1793 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
85f07f22
FB		 1794 ost->file_index, ost->index);
1795 exit(1);
1796 }
01f4895c 1797 if (avcodec_open(ost->st->codec, codec) < 0) {
115329f1 1798 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
85f07f22
FB		 1799 ost->file_index, ost->index);
1800 exit(1);
1801 }
01f4895c 1802 extra_size += ost->st->codec->extradata_size;
85f07f22
FB		 1803 }
1804 }
1805
1806 /* open each decoder */
1807 for(i=0;i<nb_istreams;i++) {
1808 ist = ist_table[i];
1809 if (ist->decoding_needed) {
1810 AVCodec *codec;
01f4895c 1811 codec = avcodec_find_decoder(ist->st->codec->codec_id);
85f07f22 1812 if (!codec) {
115329f1 1813 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
01f4895c 1814 ist->st->codec->codec_id, ist->file_index, ist->index);
85f07f22
FB		 1815 exit(1);
1816 }
01f4895c 1817 if (avcodec_open(ist->st->codec, codec) < 0) {
115329f1 1818 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
85f07f22
FB		 1819 ist->file_index, ist->index);
1820 exit(1);
1821 }
01f4895c
MN		 1822 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1823 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
85f07f22
FB		 1824 }
1825 }
1826
1827 /* init pts */
1828 for(i=0;i<nb_istreams;i++) {
1829 ist = ist_table[i];
bb270c08 1830 is = input_files[ist->file_index];
e7d0374f 1831 ist->pts = 0;
fec401f7 1832 ist->next_pts=0;
de2aeaef
MN		 1833 if( input_files_ts_offset[ist->file_index] != -is->start_time
1834 && !(is->start_time == AV_NOPTS_VALUE && input_files_ts_offset[ist->file_index]==0))
fdb86eb1 1835 ist->next_pts= AV_NOPTS_VALUE;
ff4905a5 1836 ist->is_start = 1;
85f07f22 1837 }
bd1b79a1 1838
0a38bafd
PB		 1839 /* set meta data information from input file if required */
1840 for (i=0;i<nb_meta_data_maps;i++) {
1841 AVFormatContext *out_file;
1842 AVFormatContext *in_file;
1843
1844 int out_file_index = meta_data_maps[i].out_file;
1845 int in_file_index = meta_data_maps[i].in_file;
1846 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1847 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
8fa36ae0 1848 ret = AVERROR(EINVAL);
0a38bafd
PB		 1849 goto fail;
1850 }
1851 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1852 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
8fa36ae0 1853 ret = AVERROR(EINVAL);
0a38bafd 1854 goto fail;
115329f1
DB		 1855 }
1856
0a38bafd
PB		 1857 out_file = output_files[out_file_index];
1858 in_file = input_files[in_file_index];
1859
1860 strcpy(out_file->title, in_file->title);
1861 strcpy(out_file->author, in_file->author);
1862 strcpy(out_file->copyright, in_file->copyright);
1863 strcpy(out_file->comment, in_file->comment);
1864 strcpy(out_file->album, in_file->album);
1865 out_file->year = in_file->year;
1866 out_file->track = in_file->track;
1867 strcpy(out_file->genre, in_file->genre);
1868 }
115329f1 1869
85f07f22
FB		 1870 /* open files and write file headers */
1871 for(i=0;i<nb_output_files;i++) {
1872 os = output_files[i];
79fdaa4c 1873 if (av_write_header(os) < 0) {
65bf3c53 1874 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
8fa36ae0 1875 ret = AVERROR(EINVAL);
a38469e1
FB		 1876 goto fail;
1877 }
6d1ba1ac
LA		 1878 if (strcmp(output_files[i]->oformat->name, "rtp")) {
1879 want_sdp = 0;
1880 }
1881 }
1882 if (want_sdp) {
1883 print_sdp(output_files, nb_output_files);
85f07f22
FB		 1884 }
1885
d8019eb5 1886 if ( !using_stdin && verbose >= 0) {
d9a916e2 1887 fprintf(stderr, "Press [q] to stop encoding\n");
b51469a0
LS		 1888 url_set_interrupt_cb(decode_interrupt_cb);
1889 }
a38469e1
FB		 1890 term_init();
1891
cb09b2ed 1892 key = -1;
7fc98937 1893 timer_start = av_gettime();
51bd4565 1894
d9a916e2 1895 for(; received_sigterm == 0;) {
85f07f22
FB		 1896 int file_index, ist_index;
1897 AVPacket pkt;
a9aeda81
PB		 1898 double ipts_min;
1899 double opts_min;
23ffe323 1900
85f07f22 1901 redo:
a9aeda81
PB		 1902 ipts_min= 1e100;
1903 opts_min= 1e100;
a38469e1 1904 /* if 'q' pressed, exits */
d9a916e2 1905 if (!using_stdin) {
b51469a0
LS		 1906 if (q_pressed)
1907 break;
cb09b2ed
PG		 1908 /* read_key() returns 0 on EOF */
1909 key = read_key();
1910 if (key == 'q')
1911 break;
1912 }
a38469e1 1913
ec5517d5
FB		 1914 /* select the stream that we must read now by looking at the
1915 smallest output pts */
85f07f22 1916 file_index = -1;
ec5517d5 1917 for(i=0;i<nb_ostreams;i++) {
23ffe323 1918 double ipts, opts;
ec5517d5
FB		 1919 ost = ost_table[i];
1920 os = output_files[ost->file_index];
1921 ist = ist_table[ost->source_index];
01f4895c
MN		 1922 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1923 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
23ffe323 1924 else
c0df9d75 1925 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
23ffe323
MN		 1926 ipts = (double)ist->pts;
1927 if (!file_table[ist->file_index].eof_reached){
1928 if(ipts < ipts_min) {
1929 ipts_min = ipts;
1930 if(input_sync ) file_index = ist->file_index;
1931 }
1932 if(opts < opts_min) {
1933 opts_min = opts;
1934 if(!input_sync) file_index = ist->file_index;
1935 }
85f07f22 1936 }
01f4895c 1937 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
7ca60994
MN		 1938 file_index= -1;
1939 break;
1940 }
85f07f22
FB		 1941 }
1942 /* if none, if is finished */
51bd4565 1943 if (file_index < 0) {
85f07f22 1944 break;
ec5517d5
FB		 1945 }
1946
85f07f22 1947 /* finish if recording time exhausted */
23ffe323 1948 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
85f07f22 1949 break;
ec5517d5 1950
b6e16b86 1951 /* finish if limit size exhausted */
899681cd 1952 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
b6e16b86
C		 1953 break;
1954
254abc2e 1955 /* read a frame from it and output it in the fifo */
85f07f22 1956 is = input_files[file_index];
254abc2e 1957 if (av_read_frame(is, &pkt) < 0) {
85f07f22 1958 file_table[file_index].eof_reached = 1;
d24ce947
AB		 1959 if (opt_shortest)
1960 break;
1961 else
1962 continue;
85f07f22 1963 }
303e50e6 1964
254abc2e 1965 if (do_pkt_dump) {
750f0e1f 1966 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
817b23ff 1967 }
79fdaa4c
FB		 1968 /* the following test is needed in case new streams appear
1969 dynamically in stream : we ignore them */
1970 if (pkt.stream_index >= file_table[file_index].nb_streams)
bf5af568 1971 goto discard_packet;
85f07f22
FB		 1972 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1973 ist = ist_table[ist_index];
bf5af568
FB		 1974 if (ist->discard)
1975 goto discard_packet;
85f07f22 1976
fec401f7
MN		 1977 if (pkt.dts != AV_NOPTS_VALUE)
1978 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1979 if (pkt.pts != AV_NOPTS_VALUE)
1980 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
1981
949b1a13 1982// fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files_ts_offset[ist->file_index], ist->st->codec->codec_type);
fdb86eb1 1983 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
81d6d520
MN		 1984 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
1985 int64_t delta= pkt_dts - ist->next_pts;
1986 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
72bd8100
MN		 1987 input_files_ts_offset[ist->file_index]-= delta;
1988 if (verbose > 2)
4733abcb 1989 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
fec401f7
MN		 1990 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
1991 if(pkt.pts != AV_NOPTS_VALUE)
1992 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
72bd8100
MN		 1993 }
1994 }
1995
8831db5c 1996 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
a700a6ae 1997 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
d8019eb5
AD		 1998
1999 if (verbose >= 0)
2000 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2001 ist->file_index, ist->index);
2002
a700a6ae
FB		 2003 av_free_packet(&pkt);
2004 goto redo;
fe08925f 2005 }
cf7fc795 2006
bf5af568 2007 discard_packet:
85f07f22 2008 av_free_packet(&pkt);
115329f1 2009
ec5517d5
FB		 2010 /* dump report by using the output first video and audio streams */
2011 print_report(output_files, ost_table, nb_ostreams, 0);
85f07f22 2012 }
a700a6ae
FB		 2013
2014 /* at the end of stream, we must flush the decoder buffers */
2015 for(i=0;i<nb_istreams;i++) {
2016 ist = ist_table[i];
2017 if (ist->decoding_needed) {
2018 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2019 }
2020 }
2021
a38469e1 2022 term_exit();
85f07f22 2023
c4e37247
MN		 2024 /* write the trailer if needed and close file */
2025 for(i=0;i<nb_output_files;i++) {
2026 os = output_files[i];
2027 av_write_trailer(os);
2028 }
2029
37f5cd5a
MN		 2030 /* dump report by using the first video and audio streams */
2031 print_report(output_files, ost_table, nb_ostreams, 1);
2032
85f07f22
FB		 2033 /* close each encoder */
2034 for(i=0;i<nb_ostreams;i++) {
2035 ost = ost_table[i];
2036 if (ost->encoding_needed) {
01f4895c
MN		 2037 av_freep(&ost->st->codec->stats_in);
2038 avcodec_close(ost->st->codec);
85f07f22
FB		 2039 }
2040 }
115329f1 2041
85f07f22
FB		 2042 /* close each decoder */
2043 for(i=0;i<nb_istreams;i++) {
2044 ist = ist_table[i];
2045 if (ist->decoding_needed) {
01f4895c 2046 avcodec_close(ist->st->codec);
85f07f22
FB		 2047 }
2048 }
85f07f22 2049
85f07f22 2050 /* finished ! */
115329f1 2051
85f07f22
FB		 2052 ret = 0;
2053 fail1:
83b07470 2054 av_freep(&bit_buffer);
0f1578af 2055 av_free(file_table);
bdc4796f 2056
85f07f22
FB		 2057 if (ist_table) {
2058 for(i=0;i<nb_istreams;i++) {
2059 ist = ist_table[i];
0f1578af 2060 av_free(ist);
85f07f22 2061 }
0f1578af 2062 av_free(ist_table);
85f07f22
FB		 2063 }
2064 if (ost_table) {
2065 for(i=0;i<nb_ostreams;i++) {
2066 ost = ost_table[i];
2067 if (ost) {
5abdb4b1
FB		 2068 if (ost->logfile) {
2069 fclose(ost->logfile);
2070 ost->logfile = NULL;
2071 }
f5a478f6
RS		 2072 av_fifo_free(&ost->fifo); /* works even if fifo is not
2073 initialized but set to zero */
0f1578af 2074 av_free(ost->pict_tmp.data[0]);
85f07f22 2075 if (ost->video_resample)
18a54b04 2076 sws_freeContext(ost->img_resample_ctx);
85f07f22
FB		 2077 if (ost->audio_resample)
2078 audio_resample_close(ost->resample);
0f1578af 2079 av_free(ost);
85f07f22
FB		 2080 }
2081 }
0f1578af 2082 av_free(ost_table);
85f07f22
FB		 2083 }
2084 return ret;
2085 fail:
8fa36ae0 2086 ret = AVERROR(ENOMEM);
85f07f22
FB		 2087 goto fail1;
2088}
2089
2090#if 0
2091int file_read(const char *filename)
2092{
2093 URLContext *h;
2094 unsigned char buffer[1024];
2095 int len, i;
2096
2097 if (url_open(&h, filename, O_RDONLY) < 0) {
2098 printf("could not open '%s'\n", filename);
2099 return -1;
2100 }
2101 for(;;) {
2102 len = url_read(h, buffer, sizeof(buffer));
2103 if (len <= 0)
2104 break;
2105 for(i=0;i<len;i++) putchar(buffer[i]);
2106 }
2107 url_close(h);
2108 return 0;
2109}
2110#endif
2111
b29f97d1 2112static void opt_format(const char *arg)
85f07f22 2113{
817b23ff
FB		 2114 /* compatibility stuff for pgmyuv */
2115 if (!strcmp(arg, "pgmyuv")) {
5b6d5596 2116 pgmyuv_compatibility_hack=1;
9286699a 2117// opt_image_format(arg);
5b6d5596 2118 arg = "image2";
17ceb4f9 2119 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
817b23ff
FB		 2120 }
2121
79fdaa4c
FB		 2122 file_iformat = av_find_input_format(arg);
2123 file_oformat = guess_format(arg, NULL, NULL);
2124 if (!file_iformat && !file_oformat) {
2125 fprintf(stderr, "Unknown input or output format: %s\n", arg);
85f07f22
FB		 2126 exit(1);
2127 }
85f07f22
FB		 2128}
2129
3b855466
DB		 2130#if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
2131extern int ffm_nopts;
2132#endif
2133
2134static int opt_default(const char *opt, const char *arg){
2135 int type;
2136 const AVOption *o= NULL;
2137 int opt_types[]={AV_OPT_FLAG_VIDEO_PARAM, AV_OPT_FLAG_AUDIO_PARAM, 0, AV_OPT_FLAG_SUBTITLE_PARAM, 0};
2138
2139 for(type=0; type<CODEC_TYPE_NB; type++){
2140 const AVOption *o2 = av_find_opt(avctx_opts[0], opt, NULL, opt_types[type], opt_types[type]);
2141 if(o2)
2142 o = av_set_string(avctx_opts[type], opt, arg);
2143 }
2144 if(!o)
2145 o = av_set_string(avformat_opts, opt, arg);
2146 if(!o)
2147 o = av_set_string(sws_opts, opt, arg);
2148 if(!o){
2149 if(opt[0] == 'a')
2150 o = av_set_string(avctx_opts[CODEC_TYPE_AUDIO], opt+1, arg);
2151 else if(opt[0] == 'v')
2152 o = av_set_string(avctx_opts[CODEC_TYPE_VIDEO], opt+1, arg);
2153 else if(opt[0] == 's')
2154 o = av_set_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt+1, arg);
2155 }
2156 if(!o)
2157 return -1;
2158
2159// av_log(NULL, AV_LOG_ERROR, "%s:%s: %f 0x%0X\n", opt, arg, av_get_double(avctx_opts, opt, NULL), (int)av_get_int(avctx_opts, opt, NULL));
2160
2161 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
2162 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
2163 opt_names[opt_name_count++]= o->name;
2164
2165#if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
2166 /* disable generate of real time pts in ffm (need to be supressed anyway) */
2167 if(avctx_opts[0]->flags & CODEC_FLAG_BITEXACT)
2168 ffm_nopts = 1;
2169#endif
2170
2171 if(avctx_opts[0]->debug)
a309073b 2172 av_log_set_level(AV_LOG_DEBUG);
3b855466
DB		 2173 return 0;
2174}
2175
b29f97d1 2176static void opt_video_rc_override_string(char *arg)
ac2830ec
MN		 2177{
2178 video_rc_override_string = arg;
2179}
2180
f4f3223f
MN		 2181static void opt_me_threshold(const char *arg)
2182{
2183 me_threshold = atoi(arg);
2184}
2185
f068206e
BE		 2186static void opt_verbose(const char *arg)
2187{
2188 verbose = atoi(arg);
a309073b 2189 av_log_set_level(atoi(arg));
f068206e
BE		 2190}
2191
b29f97d1 2192static void opt_frame_rate(const char *arg)
85f07f22 2193{
b33ece16 2194 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
445f1b83 2195 fprintf(stderr, "Incorrect frame rate\n");
bb270c08 2196 exit(1);
445f1b83 2197 }
85f07f22
FB		 2198}
2199
1b1656c6
RP		 2200static void opt_bitrate(const char *opt, const char *arg)
2201{
2202 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2203
2204 opt_default(opt, arg);
2205
2206 if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
2207 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2208}
2209
b29f97d1 2210static void opt_frame_crop_top(const char *arg)
ab6d194a 2211{
115329f1 2212 frame_topBand = atoi(arg);
ab6d194a
MN		 2213 if (frame_topBand < 0) {
2214 fprintf(stderr, "Incorrect top crop size\n");
2215 exit(1);
2216 }
2217 if ((frame_topBand % 2) != 0) {
2218 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2219 exit(1);
2220 }
2221 if ((frame_topBand) >= frame_height){
bb270c08 2222 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
ab6d194a
MN		 2223 exit(1);
2224 }
2225 frame_height -= frame_topBand;
2226}
2227
b29f97d1 2228static void opt_frame_crop_bottom(const char *arg)
ab6d194a
MN		 2229{
2230 frame_bottomBand = atoi(arg);
2231 if (frame_bottomBand < 0) {
2232 fprintf(stderr, "Incorrect bottom crop size\n");
2233 exit(1);
2234 }
2235 if ((frame_bottomBand % 2) != 0) {
2236 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
115329f1 2237 exit(1);
ab6d194a
MN		 2238 }
2239 if ((frame_bottomBand) >= frame_height){
bb270c08 2240 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
ab6d194a
MN		 2241 exit(1);
2242 }
2243 frame_height -= frame_bottomBand;
2244}
2245
b29f97d1 2246static void opt_frame_crop_left(const char *arg)
ab6d194a
MN		 2247{
2248 frame_leftBand = atoi(arg);
2249 if (frame_leftBand < 0) {
2250 fprintf(stderr, "Incorrect left crop size\n");
2251 exit(1);
2252 }
2253 if ((frame_leftBand % 2) != 0) {
2254 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2255 exit(1);
2256 }
2257 if ((frame_leftBand) >= frame_width){
bb270c08 2258 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
ab6d194a
MN		 2259 exit(1);
2260 }
2261 frame_width -= frame_leftBand;
2262}
2263
b29f97d1 2264static void opt_frame_crop_right(const char *arg)
ab6d194a
MN		 2265{
2266 frame_rightBand = atoi(arg);
2267 if (frame_rightBand < 0) {
2268 fprintf(stderr, "Incorrect right crop size\n");
2269 exit(1);
2270 }
2271 if ((frame_rightBand % 2) != 0) {
2272 fprintf(stderr, "Right crop size must be a multiple of 2\n");
115329f1 2273 exit(1);
ab6d194a
MN		 2274 }
2275 if ((frame_rightBand) >= frame_width){
bb270c08 2276 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
ab6d194a
MN		 2277 exit(1);
2278 }
2279 frame_width -= frame_rightBand;
2280}
2281
b29f97d1 2282static void opt_frame_size(const char *arg)
85f07f22 2283{
b33ece16 2284 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
85f07f22
FB		 2285 fprintf(stderr, "Incorrect frame size\n");
2286 exit(1);
2287 }
2288 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2289 fprintf(stderr, "Frame size must be a multiple of 2\n");
2290 exit(1);
2291 }
2292}
2293
1ff93ffc
TK		 2294
2295#define SCALEBITS 10
2296#define ONE_HALF (1 << (SCALEBITS - 1))
bb270c08 2297#define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
1ff93ffc
TK		 2298
2299#define RGB_TO_Y(r, g, b) \
2300((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2301 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2302
2303#define RGB_TO_U(r1, g1, b1, shift)\
2304(((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2305 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2306
2307#define RGB_TO_V(r1, g1, b1, shift)\
2308(((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2309 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2310
2311static void opt_pad_color(const char *arg) {
2312 /* Input is expected to be six hex digits similar to
2313 how colors are expressed in html tags (but without the #) */
2314 int rgb = strtol(arg, NULL, 16);
2315 int r,g,b;
115329f1
DB		 2316
2317 r = (rgb >> 16);
1ff93ffc
TK		 2318 g = ((rgb >> 8) & 255);
2319 b = (rgb & 255);
2320
2321 padcolor[0] = RGB_TO_Y(r,g,b);
2322 padcolor[1] = RGB_TO_U(r,g,b,0);
2323 padcolor[2] = RGB_TO_V(r,g,b,0);
2324}
2325
2326static void opt_frame_pad_top(const char *arg)
2327{
115329f1 2328 frame_padtop = atoi(arg);
1ff93ffc
TK		 2329 if (frame_padtop < 0) {
2330 fprintf(stderr, "Incorrect top pad size\n");
2331 exit(1);
2332 }
2333 if ((frame_padtop % 2) != 0) {
2334 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2335 exit(1);
2336 }
2337}
2338
2339static void opt_frame_pad_bottom(const char *arg)
2340{
115329f1 2341 frame_padbottom = atoi(arg);
1ff93ffc
TK		 2342 if (frame_padbottom < 0) {
2343 fprintf(stderr, "Incorrect bottom pad size\n");
2344 exit(1);
2345 }
2346 if ((frame_padbottom % 2) != 0) {
2347 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2348 exit(1);
2349 }
2350}
2351
2352
2353static void opt_frame_pad_left(const char *arg)
2354{
115329f1 2355 frame_padleft = atoi(arg);
1ff93ffc
TK		 2356 if (frame_padleft < 0) {
2357 fprintf(stderr, "Incorrect left pad size\n");
2358 exit(1);
2359 }
2360 if ((frame_padleft % 2) != 0) {
2361 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2362 exit(1);
2363 }
2364}
2365
2366
2367static void opt_frame_pad_right(const char *arg)
2368{
115329f1 2369 frame_padright = atoi(arg);
1ff93ffc
TK		 2370 if (frame_padright < 0) {
2371 fprintf(stderr, "Incorrect right pad size\n");
2372 exit(1);
2373 }
2374 if ((frame_padright % 2) != 0) {
2375 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2376 exit(1);
2377 }
2378}
2379
c3b95b1d
SS		 2380void list_pix_fmts(void)
2381{
2382 int i;
2383 char pix_fmt_str[128];
2384 for (i=-1; i < PIX_FMT_NB; i++) {
2385 avcodec_pix_fmt_string (pix_fmt_str, sizeof(pix_fmt_str), i);
2386 fprintf(stdout, "%s\n", pix_fmt_str);
2387 }
2388}
1ff93ffc 2389
63167088
RS		 2390static void opt_frame_pix_fmt(const char *arg)
2391{
c3b95b1d
SS		 2392 if (strcmp(arg, "list"))
2393 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2394 else {
2395 list_pix_fmts();
2396 exit(0);
2397 }
63167088
RS		 2398}
2399
5fe03e38
RS		 2400static void opt_frame_aspect_ratio(const char *arg)
2401{
2402 int x = 0, y = 0;
2403 double ar = 0;
2404 const char *p;
115329f1 2405
5fe03e38
RS		 2406 p = strchr(arg, ':');
2407 if (p) {
2408 x = strtol(arg, (char **)&arg, 10);
bb270c08
DB		 2409 if (arg == p)
2410 y = strtol(arg+1, (char **)&arg, 10);
2411 if (x > 0 && y > 0)
2412 ar = (double)x / (double)y;
5fe03e38
RS		 2413 } else
2414 ar = strtod(arg, (char **)&arg);
2415
2416 if (!ar) {
2417 fprintf(stderr, "Incorrect aspect ratio specification.\n");
bb270c08 2418 exit(1);
5fe03e38
RS		 2419 }
2420 frame_aspect_ratio = ar;
2421}
2422
b29f97d1 2423static void opt_qscale(const char *arg)
85f07f22 2424{
158c7f05 2425 video_qscale = atof(arg);
4e64bead 2426 if (video_qscale <= 0 ||
158c7f05 2427 video_qscale > 255) {
4e64bead 2428 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
85f07f22
FB		 2429 exit(1);
2430 }
2431}
2432
b29f97d1 2433static void opt_qdiff(const char *arg)
9cdd6a24
MN		 2434{
2435 video_qdiff = atoi(arg);
2436 if (video_qdiff < 0 ||
2437 video_qdiff > 31) {
2438 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2439 exit(1);
2440 }
2441}
2442
b29f97d1 2443static void opt_strict(const char *arg)
f560dd82
MN		 2444{
2445 strict= atoi(arg);
2446}
2447
bb198e19
MN		 2448static void opt_top_field_first(const char *arg)
2449{
2450 top_field_first= atoi(arg);
2451}
2452
9c3d33d6
MN		 2453static void opt_thread_count(const char *arg)
2454{
2455 thread_count= atoi(arg);
2450cff2 2456#if !defined(HAVE_THREADS)
d8019eb5
AD		 2457 if (verbose >= 0)
2458 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
842b556a 2459#endif
9c3d33d6
MN		 2460}
2461
b29f97d1 2462static void opt_audio_rate(const char *arg)
85f07f22
FB		 2463{
2464 audio_sample_rate = atoi(arg);
2465}
2466
b29f97d1 2467static void opt_audio_channels(const char *arg)
85f07f22
FB		 2468{
2469 audio_channels = atoi(arg);
2470}
2471
b29f97d1 2472static void opt_video_channel(const char *arg)
a5df11ab
FB		 2473{
2474 video_channel = strtol(arg, NULL, 0);
2475}
2476
e3ee3283
AB		 2477static void opt_video_standard(const char *arg)
2478{
2479 video_standard = av_strdup(arg);
2480}
2481
4a897224 2482static void opt_codec(int *pstream_copy, char **pcodec_name,
cf7fc795 2483 int codec_type, const char *arg)
85f07f22 2484{
4a897224 2485 av_freep(pcodec_name);
1629626f 2486 if (!strcmp(arg, "copy")) {
cf7fc795 2487 *pstream_copy = 1;
85f07f22 2488 } else {
4a897224 2489 *pcodec_name = av_strdup(arg);
85f07f22
FB		 2490 }
2491}
2492
cf7fc795
FB		 2493static void opt_audio_codec(const char *arg)
2494{
4a897224 2495 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
cf7fc795
FB		 2496}
2497
b2a2197e
MN		 2498static void opt_audio_tag(const char *arg)
2499{
2500 char *tail;
2501 audio_codec_tag= strtol(arg, &tail, 0);
2502
2503 if(!tail || *tail)
2504 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2505}
2506
2507static void opt_video_tag(const char *arg)
2508{
2509 char *tail;
2510 video_codec_tag= strtol(arg, &tail, 0);
2511
2512 if(!tail || *tail)
2513 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2514}
2515
d0f596b4 2516#ifdef CONFIG_VHOOK
b29f97d1 2517static void add_frame_hooker(const char *arg)
10d104e4
PG		 2518{
2519 int argc = 0;
2520 char *argv[64];
2521 int i;
e9a9e0c2 2522 char *args = av_strdup(arg);
10d104e4 2523
bee0d9e5
CY		 2524 using_vhook = 1;
2525
10d104e4
PG		 2526 argv[0] = strtok(args, " ");
2527 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2528 }
2529
2530 i = frame_hook_add(argc, argv);
2531
2532 if (i != 0) {
2533 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2534 exit(1);
2535 }
2536}
d0f596b4 2537#endif
10d104e4 2538
b29f97d1 2539static void opt_video_codec(const char *arg)
85f07f22 2540{
4a897224 2541 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
cf7fc795 2542}
85f07f22 2543
cf7fc795
FB		 2544static void opt_subtitle_codec(const char *arg)
2545{
4a897224 2546 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
85f07f22
FB		 2547}
2548
b29f97d1 2549static void opt_map(const char *arg)
85f07f22
FB		 2550{
2551 AVStreamMap *m;
2552 const char *p;
2553
2554 p = arg;
2555 m = &stream_maps[nb_stream_maps++];
2556
2557 m->file_index = strtol(arg, (char **)&p, 0);
2558 if (*p)
2559 p++;
a5dc85ef
J		 2560
2561 m->stream_index = strtol(p, (char **)&p, 0);
b4a3389e
WG		 2562 if (*p) {
2563 p++;
2564 m->sync_file_index = strtol(p, (char **)&p, 0);
2565 if (*p)
2566 p++;
2567 m->sync_stream_index = strtol(p, (char **)&p, 0);
2568 } else {
2569 m->sync_file_index = m->file_index;
2570 m->sync_stream_index = m->stream_index;
2571 }
85f07f22
FB		 2572}
2573
0a38bafd
PB		 2574static void opt_map_meta_data(const char *arg)
2575{
2576 AVMetaDataMap *m;
2577 const char *p;
115329f1 2578
0a38bafd
PB		 2579 p = arg;
2580 m = &meta_data_maps[nb_meta_data_maps++];
2581
2582 m->out_file = strtol(arg, (char **)&p, 0);
2583 if (*p)
2584 p++;
2585
2586 m->in_file = strtol(p, (char **)&p, 0);
2587}
2588
f9436161
SS		 2589static int64_t parse_time_or_die(const char *timestr, int is_duration)
2590{
2591 int64_t us = parse_date(timestr, is_duration);
2592 if (us == INT64_MIN) {
2593 fprintf(stderr, "Invalid %s specification: %s\n",
2594 is_duration ? "duration" : "date", timestr);
2595 exit(1);
2596 }
2597 return us;
2598}
2599
b29f97d1 2600static void opt_recording_time(const char *arg)
85f07f22 2601{
f9436161 2602 recording_time = parse_time_or_die(arg, 1);
85f07f22
FB		 2603}
2604
8831db5c
MN		 2605static void opt_start_time(const char *arg)
2606{
f9436161 2607 start_time = parse_time_or_die(arg, 1);
8831db5c
MN		 2608}
2609
4568325a
RS		 2610static void opt_rec_timestamp(const char *arg)
2611{
f9436161 2612 rec_timestamp = parse_time_or_die(arg, 0) / 1000000;
4568325a
RS		 2613}
2614
a6a92a9a
WG		 2615static void opt_input_ts_offset(const char *arg)
2616{
f9436161 2617 input_ts_offset = parse_time_or_die(arg, 1);
a6a92a9a
WG		 2618}
2619
4a897224
NG		 2620static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2621{
4f489292 2622 char *codec_string = encoder ? "encoder" : "decoder";
4a897224
NG		 2623 AVCodec *codec;
2624
2625 if(!name)
2626 return CODEC_ID_NONE;
2627 codec = encoder ?
2628 avcodec_find_encoder_by_name(name) :
2629 avcodec_find_decoder_by_name(name);
2630 if(!codec) {
4f489292 2631 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
4a897224
NG		 2632 exit(1);
2633 }
2634 if(codec->type != type) {
4f489292 2635 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
4a897224
NG		 2636 exit(1);
2637 }
2638 return codec->id;
2639}
2640
b29f97d1 2641static void opt_input_file(const char *filename)
85f07f22
FB		 2642{
2643 AVFormatContext *ic;
2644 AVFormatParameters params, *ap = &params;
14bea432 2645 int err, i, ret, rfps, rfps_base;
bd1b79a1 2646 int64_t timestamp;
85f07f22 2647
b242baa4
FB		 2648 if (!strcmp(filename, "-"))
2649 filename = "pipe:";
2650
115329f1 2651 using_stdin |= !strncmp(filename, "pipe:", 5) ||
d9a916e2
CY		 2652 !strcmp( filename, "/dev/stdin" );
2653
85f07f22 2654 /* get default parameters from command line */
4eb72c6b
NS		 2655 ic = av_alloc_format_context();
2656
79fdaa4c 2657 memset(ap, 0, sizeof(*ap));
4eb72c6b 2658 ap->prealloced_context = 1;
79fdaa4c
FB		 2659 ap->sample_rate = audio_sample_rate;
2660 ap->channels = audio_channels;
b33ece16
SS		 2661 ap->time_base.den = frame_rate.num;
2662 ap->time_base.num = frame_rate.den;
1ff93ffc
TK		 2663 ap->width = frame_width + frame_padleft + frame_padright;
2664 ap->height = frame_height + frame_padtop + frame_padbottom;
63167088 2665 ap->pix_fmt = frame_pix_fmt;
2639c651
RS		 2666 ap->channel = video_channel;
2667 ap->standard = video_standard;
4a897224
NG		 2668 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2669 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
5b6d5596
MN		 2670 if(pgmyuv_compatibility_hack)
2671 ap->video_codec_id= CODEC_ID_PGMYUV;
79fdaa4c 2672
4eb72c6b 2673 for(i=0; i<opt_name_count; i++){
4b59cf6c 2674 char buf[256];
bd31a388 2675 const AVOption *opt;
6b80f1a1 2676 const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
4b59cf6c
MN		 2677 if(str && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2678 av_set_string(ic, opt_names[i], str);
4eb72c6b 2679 }
79fdaa4c
FB		 2680 /* open the input file with generic libav function */
2681 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
85f07f22 2682 if (err < 0) {
79fdaa4c 2683 print_error(filename, err);
85f07f22
FB		 2684 exit(1);
2685 }
50e143c4
NS		 2686 if(opt_programid) {
2687 int i;
2688 for(i=0; i<ic->nb_programs; i++)
2689 if(ic->programs[i]->id != opt_programid)
2690 ic->programs[i]->discard = AVDISCARD_ALL;
2691 }
30bc6613 2692
5894e1bb
VP		 2693 ic->loop_input = loop_input;
2694
79fdaa4c
FB		 2695 /* If not enough info to get the stream parameters, we decode the
2696 first frames to get it. (used in mpeg case for example) */
2697 ret = av_find_stream_info(ic);
d8019eb5 2698 if (ret < 0 && verbose >= 0) {
85f07f22
FB		 2699 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2700 exit(1);
2701 }
2702
bd1b79a1
MN		 2703 timestamp = start_time;
2704 /* add the stream start time */
2705 if (ic->start_time != AV_NOPTS_VALUE)
2706 timestamp += ic->start_time;
2707
254abc2e
FB		 2708 /* if seeking requested, we execute it */
2709 if (start_time != 0) {
3ba1438d 2710 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
254abc2e 2711 if (ret < 0) {
115329f1 2712 fprintf(stderr, "%s: could not seek to position %0.3f\n",
254abc2e
FB		 2713 filename, (double)timestamp / AV_TIME_BASE);
2714 }
2715 /* reset seek info */
2716 start_time = 0;
2717 }
2718
85f07f22
FB		 2719 /* update the current parameters so that they match the one of the input stream */
2720 for(i=0;i<ic->nb_streams;i++) {
637b5326 2721 int j;
01f4895c 2722 AVCodecContext *enc = ic->streams[i]->codec;
c62c07d3
MN		 2723 if(thread_count>1)
2724 avcodec_thread_init(enc, thread_count);
c62c07d3 2725 enc->thread_count= thread_count;
85f07f22
FB		 2726 switch(enc->codec_type) {
2727 case CODEC_TYPE_AUDIO:
637b5326 2728 for(j=0; j<opt_name_count; j++){
4b59cf6c 2729 char buf[256];
bd31a388 2730 const AVOption *opt;
6b80f1a1 2731 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[j], &opt, buf, sizeof(buf));
4b59cf6c
MN		 2732 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2733 av_set_string(enc, opt_names[j], str);
637b5326 2734 }
e0d2714a 2735 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
85f07f22
FB		 2736 audio_channels = enc->channels;
2737 audio_sample_rate = enc->sample_rate;
b4aea108 2738 if(audio_disable)
f3356e9c 2739 ic->streams[i]->discard= AVDISCARD_ALL;
85f07f22
FB		 2740 break;
2741 case CODEC_TYPE_VIDEO:
637b5326 2742 for(j=0; j<opt_name_count; j++){
4b59cf6c 2743 char buf[256];
bd31a388 2744 const AVOption *opt;
6b80f1a1 2745 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[j], &opt, buf, sizeof(buf));
4b59cf6c
MN		 2746 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_DECODING_PARAM))
2747 av_set_string(enc, opt_names[j], str);
637b5326 2748 }
85f07f22
FB		 2749 frame_height = enc->height;
2750 frame_width = enc->width;
bb270c08
DB		 2751 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2752 frame_pix_fmt = enc->pix_fmt;
c0df9d75
MN		 2753 rfps = ic->streams[i]->r_frame_rate.num;
2754 rfps_base = ic->streams[i]->r_frame_rate.den;
637b5326 2755 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
f4f3223f
MN		 2756 if(me_threshold)
2757 enc->debug |= FF_DEBUG_MV;
d7425f59 2758
115329f1 2759 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
d8019eb5
AD		 2760
2761 if (verbose >= 0)
386c88de 2762 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
c0df9d75 2763 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
d8019eb5 2764
15bc38e5 2765 (float)rfps / rfps_base, rfps, rfps_base);
79fdaa4c 2766 }
bf5af568 2767 /* update the current frame rate to match the stream frame rate */
b33ece16
SS		 2768 frame_rate.num = rfps;
2769 frame_rate.den = rfps_base;
bdfcbbed
MK		 2770
2771 enc->rate_emu = rate_emu;
b4aea108 2772 if(video_disable)
f3356e9c
MN		 2773 ic->streams[i]->discard= AVDISCARD_ALL;
2774 else if(video_discard)
2775 ic->streams[i]->discard= video_discard;
85f07f22 2776 break;
254abc2e
FB		 2777 case CODEC_TYPE_DATA:
2778 break;
cf7fc795 2779 case CODEC_TYPE_SUBTITLE:
11bf3847
AJ		 2780 if(subtitle_disable)
2781 ic->streams[i]->discard = AVDISCARD_ALL;
cf7fc795 2782 break;
ae38261e
MB		 2783 case CODEC_TYPE_UNKNOWN:
2784 break;
51bd4565 2785 default:
0f4e8165 2786 abort();
85f07f22
FB		 2787 }
2788 }
115329f1 2789
85f07f22 2790 input_files[nb_input_files] = ic;
bd1b79a1 2791 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
85f07f22 2792 /* dump the file content */
d8019eb5
AD		 2793 if (verbose >= 0)
2794 dump_format(ic, nb_input_files, filename, 0);
2795
85f07f22 2796 nb_input_files++;
79fdaa4c
FB		 2797 file_iformat = NULL;
2798 file_oformat = NULL;
bdfcbbed 2799
2639c651 2800 video_channel = 0;
115329f1 2801
bdfcbbed 2802 rate_emu = 0;
85f07f22
FB		 2803}
2804
11bf3847
AJ		 2805static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2806 int *has_subtitle_ptr)
919f448d 2807{
11bf3847 2808 int has_video, has_audio, has_subtitle, i, j;
919f448d
FB		 2809 AVFormatContext *ic;
2810
2811 has_video = 0;
2812 has_audio = 0;
11bf3847 2813 has_subtitle = 0;
919f448d
FB		 2814 for(j=0;j<nb_input_files;j++) {
2815 ic = input_files[j];
2816 for(i=0;i<ic->nb_streams;i++) {
01f4895c 2817 AVCodecContext *enc = ic->streams[i]->codec;
919f448d
FB		 2818 switch(enc->codec_type) {
2819 case CODEC_TYPE_AUDIO:
2820 has_audio = 1;
2821 break;
2822 case CODEC_TYPE_VIDEO:
2823 has_video = 1;
2824 break;
11bf3847
AJ		 2825 case CODEC_TYPE_SUBTITLE:
2826 has_subtitle = 1;
2827 break;
6fb316d5 2828 case CODEC_TYPE_DATA:
ae38261e 2829 case CODEC_TYPE_UNKNOWN:
6fb316d5 2830 break;
51bd4565 2831 default:
0f4e8165 2832 abort();
919f448d
FB		 2833 }
2834 }
2835 }
2836 *has_video_ptr = has_video;
2837 *has_audio_ptr = has_audio;
11bf3847 2838 *has_subtitle_ptr = has_subtitle;
919f448d
FB		 2839}
2840
cf7fc795 2841static void new_video_stream(AVFormatContext *oc)
85f07f22
FB		 2842{
2843 AVStream *st;
cf7fc795
FB		 2844 AVCodecContext *video_enc;
2845 int codec_id;
115329f1 2846
cf7fc795
FB		 2847 st = av_new_stream(oc, oc->nb_streams);
2848 if (!st) {
2849 fprintf(stderr, "Could not alloc stream\n");
2850 exit(1);
2851 }
54cc9c46 2852 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
748c2fca
MN		 2853 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2854 video_bitstream_filters= NULL;
2855
cf7fc795 2856 if(thread_count>1)
01f4895c 2857 avcodec_thread_init(st->codec, thread_count);
115329f1 2858
01f4895c 2859 video_enc = st->codec;
115329f1 2860
cf7fc795
FB		 2861 if(video_codec_tag)
2862 video_enc->codec_tag= video_codec_tag;
115329f1 2863
90ad92b3 2864 if( (video_global_header&1)
637b5326 2865 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
cf7fc795 2866 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
23b254fb 2867 avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
637b5326
MN		 2868 }
2869 if(video_global_header&2){
90ad92b3 2870 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
23b254fb 2871 avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
637b5326 2872 }
90ad92b3 2873
cf7fc795
FB		 2874 if (video_stream_copy) {
2875 st->stream_copy = 1;
2876 video_enc->codec_type = CODEC_TYPE_VIDEO;
2877 } else {
2878 char *p;
2879 int i;
2880 AVCodec *codec;
115329f1 2881
cf7fc795 2882 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
4a897224
NG		 2883 if (video_codec_name)
2884 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
115329f1 2885
cf7fc795
FB		 2886 video_enc->codec_id = codec_id;
2887 codec = avcodec_find_encoder(codec_id);
115329f1 2888
8bbf6db9 2889 for(i=0; i<opt_name_count; i++){
4b59cf6c
MN		 2890 char buf[256];
2891 const AVOption *opt;
6b80f1a1 2892 const char *str= av_get_string(avctx_opts[CODEC_TYPE_VIDEO], opt_names[i], &opt, buf, sizeof(buf));
4b59cf6c
MN		 2893 if(str && (opt->flags & AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
2894 av_set_string(video_enc, opt_names[i], str);
8bbf6db9 2895 }
115329f1 2896
b33ece16
SS		 2897 video_enc->time_base.den = frame_rate.num;
2898 video_enc->time_base.num = frame_rate.den;
cf7fc795
FB		 2899 if(codec && codec->supported_framerates){
2900 const AVRational *p= codec->supported_framerates;
b33ece16 2901 AVRational req= (AVRational){frame_rate.num, frame_rate.den};
cf7fc795
FB		 2902 const AVRational *best=NULL;
2903 AVRational best_error= (AVRational){INT_MAX, 1};
2904 for(; p->den!=0; p++){
2905 AVRational error= av_sub_q(req, *p);
2906 if(error.num <0) error.num *= -1;
2907 if(av_cmp_q(error, best_error) < 0){
2908 best_error= error;
2909 best= p;
2910 }
2911 }
2912 video_enc->time_base.den= best->num;
2913 video_enc->time_base.num= best->den;
2914 }
115329f1 2915
cf7fc795
FB		 2916 video_enc->width = frame_width + frame_padright + frame_padleft;
2917 video_enc->height = frame_height + frame_padtop + frame_padbottom;
e7268d51 2918 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
cf7fc795
FB		 2919 video_enc->pix_fmt = frame_pix_fmt;
2920
2921 if(codec && codec->pix_fmts){
2922 const enum PixelFormat *p= codec->pix_fmts;
2923 for(; *p!=-1; p++){
2924 if(*p == video_enc->pix_fmt)
2925 break;
2926 }
2927 if(*p == -1)
2928 video_enc->pix_fmt = codec->pix_fmts[0];
2929 }
2930
babe0e8c 2931 if (intra_only)
cf7fc795
FB		 2932 video_enc->gop_size = 0;
2933 if (video_qscale || same_quality) {
2934 video_enc->flags |= CODEC_FLAG_QSCALE;
115329f1 2935 video_enc->global_quality=
cf7fc795
FB		 2936 st->quality = FF_QP2LAMBDA * video_qscale;
2937 }
2938
2939 if(intra_matrix)
2940 video_enc->intra_matrix = intra_matrix;
2941 if(inter_matrix)
2942 video_enc->inter_matrix = inter_matrix;
2943
cf7fc795 2944 video_enc->max_qdiff = video_qdiff;
cf7fc795
FB		 2945 video_enc->thread_count = thread_count;
2946 p= video_rc_override_string;
2947 for(i=0; p; i++){
2948 int start, end, q;
2949 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2950 if(e!=3){
2951 fprintf(stderr, "error parsing rc_override\n");
2952 exit(1);
2953 }
115329f1
DB		 2954 video_enc->rc_override=
2955 av_realloc(video_enc->rc_override,
cf7fc795
FB		 2956 sizeof(RcOverride)*(i+1));
2957 video_enc->rc_override[i].start_frame= start;
2958 video_enc->rc_override[i].end_frame = end;
2959 if(q>0){
2960 video_enc->rc_override[i].qscale= q;
2961 video_enc->rc_override[i].quality_factor= 1.0;
2962 }
2963 else{
2964 video_enc->rc_override[i].qscale= 0;
2965 video_enc->rc_override[i].quality_factor= -q/100.0;
2966 }
2967 p= strchr(p, '/');
2968 if(p) p++;
2969 }
2970 video_enc->rc_override_count=i;
079e8cb9
BC		 2971 if (!video_enc->rc_initial_buffer_occupancy)
2972 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
cf7fc795 2973 video_enc->me_threshold= me_threshold;
cf7fc795
FB		 2974 video_enc->intra_dc_precision= intra_dc_precision - 8;
2975 video_enc->strict_std_compliance = strict;
cf7fc795 2976
cf7fc795
FB		 2977 if (do_psnr)
2978 video_enc->flags|= CODEC_FLAG_PSNR;
115329f1 2979
cf7fc795
FB		 2980 /* two pass mode */
2981 if (do_pass) {
2982 if (do_pass == 1) {
2983 video_enc->flags |= CODEC_FLAG_PASS1;
2984 } else {
2985 video_enc->flags |= CODEC_FLAG_PASS2;
2986 }
2987 }
2988 }
2989
2990 /* reset some key parameters */
2991 video_disable = 0;
4a897224 2992 av_freep(&video_codec_name);
cf7fc795
FB		 2993 video_stream_copy = 0;
2994}
2995
2996static void new_audio_stream(AVFormatContext *oc)
2997{
2998 AVStream *st;
2999 AVCodecContext *audio_enc;
8bbf6db9 3000 int codec_id, i;
115329f1 3001
cf7fc795
FB		 3002 st = av_new_stream(oc, oc->nb_streams);
3003 if (!st) {
3004 fprintf(stderr, "Could not alloc stream\n");
3005 exit(1);
3006 }
54cc9c46 3007 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
748c2fca
MN		 3008
3009 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3010 audio_bitstream_filters= NULL;
3011
cf7fc795 3012 if(thread_count>1)
01f4895c 3013 avcodec_thread_init(st->codec, thread_count);
115329f1 3014
01f4895c 3015 audio_enc = st->codec;
cf7fc795 3016 audio_enc->codec_type = CODEC_TYPE_AUDIO;
f889d3f9 3017 audio_enc->strict_std_compliance = strict;
115329f1 3018
cf7fc795
FB		 3019 if(audio_codec_tag)
3020 audio_enc->codec_tag= audio_codec_tag;
115329f1 3021
637b5326 3022 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
cf7fc795 3023 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
23b254fb 3024 avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
637b5326 3025 }
cf7fc795
FB		 3026 if (audio_stream_copy) {
3027 st->stream_copy = 1;
3028 audio_enc->channels = audio_channels;
3029 } else {
3030 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
115329f1 3031
8bbf6db9 3032 for(i=0; i<opt_name_count; i++){
4b59cf6c 3033 char buf[256];
bd31a388 3034 const AVOption *opt;
6b80f1a1 3035 const char *str= av_get_string(avctx_opts[CODEC_TYPE_AUDIO], opt_names[i], &opt, buf, sizeof(buf));
4b59cf6c
MN		 3036 if(str && (opt->flags & AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3037 av_set_string(audio_enc, opt_names[i], str);
8bbf6db9 3038 }
115329f1 3039
4a897224
NG		 3040 if (audio_codec_name)
3041 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
cf7fc795 3042 audio_enc->codec_id = codec_id;
115329f1 3043
c57c770d
JR		 3044 if (audio_qscale > QSCALE_NONE) {
3045 audio_enc->flags |= CODEC_FLAG_QSCALE;
3046 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3047 }
cf7fc795 3048 audio_enc->thread_count = thread_count;
e3e3be53 3049 audio_enc->channels = audio_channels;
cf7fc795
FB		 3050 }
3051 audio_enc->sample_rate = audio_sample_rate;
78e03516 3052 audio_enc->time_base= (AVRational){1, audio_sample_rate};
cf7fc795 3053 if (audio_language) {
f7d78f36 3054 av_strlcpy(st->language, audio_language, sizeof(st->language));
cf7fc795
FB		 3055 av_free(audio_language);
3056 audio_language = NULL;
3057 }
3058
3059 /* reset some key parameters */
3060 audio_disable = 0;
4a897224 3061 av_freep(&audio_codec_name);
cf7fc795
FB		 3062 audio_stream_copy = 0;
3063}
3064
11bf3847 3065static void new_subtitle_stream(AVFormatContext *oc)
cf7fc795 3066{
cf7fc795
FB		 3067 AVStream *st;
3068 AVCodecContext *subtitle_enc;
8bbf6db9 3069 int i;
115329f1 3070
cf7fc795
FB		 3071 st = av_new_stream(oc, oc->nb_streams);
3072 if (!st) {
3073 fprintf(stderr, "Could not alloc stream\n");
3074 exit(1);
3075 }
54cc9c46 3076 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
cf7fc795 3077
01f4895c 3078 subtitle_enc = st->codec;
cf7fc795
FB		 3079 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3080 if (subtitle_stream_copy) {
3081 st->stream_copy = 1;
3082 } else {
8bbf6db9 3083 for(i=0; i<opt_name_count; i++){
4b59cf6c
MN		 3084 char buf[256];
3085 const AVOption *opt;
6b80f1a1 3086 const char *str= av_get_string(avctx_opts[CODEC_TYPE_SUBTITLE], opt_names[i], &opt, buf, sizeof(buf));
4b59cf6c
MN		 3087 if(str && (opt->flags & AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3088 av_set_string(subtitle_enc, opt_names[i], str);
8bbf6db9 3089 }
4a897224 3090 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
cf7fc795
FB		 3091 }
3092
3093 if (subtitle_language) {
f7d78f36 3094 av_strlcpy(st->language, subtitle_language, sizeof(st->language));
cf7fc795
FB		 3095 av_free(subtitle_language);
3096 subtitle_language = NULL;
3097 }
3098
11bf3847 3099 subtitle_disable = 0;
4a897224 3100 av_freep(&subtitle_codec_name);
cf7fc795
FB		 3101 subtitle_stream_copy = 0;
3102}
3103
3104static void opt_new_audio_stream(void)
3105{
3106 AVFormatContext *oc;
3107 if (nb_output_files <= 0) {
3108 fprintf(stderr, "At least one output file must be specified\n");
3109 exit(1);
3110 }
3111 oc = output_files[nb_output_files - 1];
3112 new_audio_stream(oc);
3113}
3114
3115static void opt_new_video_stream(void)
3116{
3117 AVFormatContext *oc;
3118 if (nb_output_files <= 0) {
3119 fprintf(stderr, "At least one output file must be specified\n");
3120 exit(1);
3121 }
3122 oc = output_files[nb_output_files - 1];
3123 new_video_stream(oc);
3124}
3125
11bf3847
AJ		 3126static void opt_new_subtitle_stream(void)
3127{
3128 AVFormatContext *oc;
3129 if (nb_output_files <= 0) {
3130 fprintf(stderr, "At least one output file must be specified\n");
3131 exit(1);
3132 }
3133 oc = output_files[nb_output_files - 1];
3134 new_subtitle_stream(oc);
3135}
3136
cf7fc795
FB		 3137static void opt_output_file(const char *filename)
3138{
3139 AVFormatContext *oc;
11bf3847
AJ		 3140 int use_video, use_audio, use_subtitle;
3141 int input_has_video, input_has_audio, input_has_subtitle, i;
817b23ff 3142 AVFormatParameters params, *ap = &params;
85f07f22
FB		 3143
3144 if (!strcmp(filename, "-"))
3145 filename = "pipe:";
3146
bc874dae 3147 oc = av_alloc_format_context();
85f07f22 3148
79fdaa4c
FB		 3149 if (!file_oformat) {
3150 file_oformat = guess_format(NULL, filename, NULL);
3151 if (!file_oformat) {
4021300c 3152 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
79fdaa4c
FB		 3153 filename);
3154 exit(1);
3155 }
85f07f22 3156 }
115329f1 3157
79fdaa4c 3158 oc->oformat = file_oformat;
f7d78f36 3159 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
85f07f22 3160
115329f1 3161 if (!strcmp(file_oformat->name, "ffm") &&
f7d78f36 3162 av_strstart(filename, "http:", NULL)) {
85f07f22
FB		 3163 /* special case for files sent to ffserver: we get the stream
3164 parameters from ffserver */
3165 if (read_ffserver_streams(oc, filename) < 0) {
3166 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3167 exit(1);
3168 }
3169 } else {
4a897224
NG		 3170 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3171 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3172 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
919f448d 3173
e30a2846
FB		 3174 /* disable if no corresponding type found and at least one
3175 input file */
3176 if (nb_input_files > 0) {
11bf3847
AJ		 3177 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3178 &input_has_subtitle);
e30a2846
FB		 3179 if (!input_has_video)
3180 use_video = 0;
3181 if (!input_has_audio)
3182 use_audio = 0;
11bf3847
AJ		 3183 if (!input_has_subtitle)
3184 use_subtitle = 0;
e30a2846 3185 }
919f448d
FB		 3186
3187 /* manual disable */
85f07f22
FB		 3188 if (audio_disable) {
3189 use_audio = 0;
3190 }
3191 if (video_disable) {
3192 use_video = 0;
3193 }
11bf3847
AJ		 3194 if (subtitle_disable) {
3195 use_subtitle = 0;
3196 }
115329f1 3197
85f07f22 3198 if (use_video) {
cf7fc795 3199 new_video_stream(oc);
85f07f22 3200 }
115329f1 3201
85f07f22 3202 if (use_audio) {
cf7fc795 3203 new_audio_stream(oc);
85f07f22
FB		 3204 }
3205
11bf3847
AJ		 3206 if (use_subtitle) {
3207 new_subtitle_stream(oc);
3208 }
3209
4568325a 3210 oc->timestamp = rec_timestamp;
115329f1 3211
bb270c08 3212 if (str_title)
f7d78f36 3213 av_strlcpy(oc->title, str_title, sizeof(oc->title));
85f07f22 3214 if (str_author)
f7d78f36 3215 av_strlcpy(oc->author, str_author, sizeof(oc->author));
85f07f22 3216 if (str_copyright)
f7d78f36 3217 av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
85f07f22 3218 if (str_comment)
f7d78f36 3219 av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
63d5075c 3220 if (str_album)
f7d78f36 3221 av_strlcpy(oc->album, str_album, sizeof(oc->album));
85f07f22
FB		 3222 }
3223
1629626f 3224 output_files[nb_output_files++] = oc;
85f07f22 3225
919f448d 3226 /* check filename in case of an image number is expected */
79fdaa4c 3227 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
5c07cf53 3228 if (!av_filename_number_test(oc->filename)) {
79fdaa4c 3229 print_error(oc->filename, AVERROR_NUMEXPECTED);
919f448d 3230 exit(1);
79fdaa4c 3231 }
919f448d
FB		 3232 }
3233
79fdaa4c 3234 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
85f07f22 3235 /* test if it already exists to avoid loosing precious files */
115329f1 3236 if (!file_overwrite &&
85f07f22 3237 (strchr(filename, ':') == NULL ||
f7d78f36 3238 av_strstart(filename, "file:", NULL))) {
85f07f22
FB		 3239 if (url_exist(filename)) {
3240 int c;
115329f1 3241
d9a916e2
CY		 3242 if ( !using_stdin ) {
3243 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3244 fflush(stderr);
3245 c = getchar();
3246 if (toupper(c) != 'Y') {
3247 fprintf(stderr, "Not overwriting - exiting\n");
3248 exit(1);
3249 }
bb270c08
DB		 3250 }
3251 else {
d9a916e2 3252 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
85f07f22 3253 exit(1);
bb270c08 3254 }
85f07f22
FB		 3255 }
3256 }
115329f1 3257
85f07f22
FB		 3258 /* open the file */
3259 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3260 fprintf(stderr, "Could not open '%s'\n", filename);
3261 exit(1);
3262 }
3263 }
3264
817b23ff 3265 memset(ap, 0, sizeof(*ap));
817b23ff
FB		 3266 if (av_set_parameters(oc, ap) < 0) {
3267 fprintf(stderr, "%s: Invalid encoding parameters\n",
3268 oc->filename);
3269 exit(1);
3270 }
3271
17c88cb0
MN		 3272 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3273 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
8108551a 3274 oc->loop_output = loop_output;
2db3c638 3275
8e16b25c 3276 for(i=0; i<opt_name_count; i++){
4b59cf6c 3277 char buf[256];
bd31a388 3278 const AVOption *opt;
6b80f1a1 3279 const char *str= av_get_string(avformat_opts, opt_names[i], &opt, buf, sizeof(buf));
4b59cf6c
MN		 3280 if(str && (opt->flags & AV_OPT_FLAG_ENCODING_PARAM))
3281 av_set_string(oc, opt_names[i], str);
8e16b25c
PI		 3282 }
3283
85f07f22 3284 /* reset some options */
79fdaa4c
FB		 3285 file_oformat = NULL;
3286 file_iformat = NULL;
85f07f22
FB		 3287}
3288
5abdb4b1 3289/* same option as mencoder */
b29f97d1 3290static void opt_pass(const char *pass_str)
5abdb4b1
FB		 3291{
3292 int pass;
3293 pass = atoi(pass_str);
3294 if (pass != 1 && pass != 2) {
3295 fprintf(stderr, "pass number can be only 1 or 2\n");
3296 exit(1);
3297 }
3298 do_pass = pass;
3299}
a38469e1 3300
0c1a9eda 3301static int64_t getutime(void)
bdc4796f 3302{
66be5b45 3303#ifdef HAVE_GETRUSAGE
f3ec2d46
SG		 3304 struct rusage rusage;
3305
3306 getrusage(RUSAGE_SELF, &rusage);
3307 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
7495c306
RP		 3308#elif defined(HAVE_GETPROCESSTIMES)
3309 HANDLE proc;
3310 FILETIME c, e, k, u;
3311 proc = GetCurrentProcess();
3312 GetProcessTimes(proc, &c, &e, &k, &u);
3313 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3314#else
a9bb28a3 3315 return av_gettime();
66be5b45 3316#endif
bdc4796f 3317}
5727b222 3318
1af2ca78 3319static void opt_show_formats(void)
85f07f22 3320{
84be6e72
MN		 3321 AVInputFormat *ifmt=NULL;
3322 AVOutputFormat *ofmt=NULL;
3323 URLProtocol *up=NULL;
55b9e69a
MN		 3324 AVCodec *p=NULL, *p2;
3325 AVBitStreamFilter *bsf=NULL;
c0de00da 3326 const char *last_name;
3738fe1a
MN		 3327
3328 printf("File formats:\n");
3329 last_name= "000";
3330 for(;;){