Fix doxy that refers to the wrong variable.
[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
7246177d 22/* needed for usleep() */
d0feff2a 23#define _XOPEN_SOURCE 600
7246177d 24
0f4e8165
RB
25#include "config.h"
26#include <ctype.h>
27#include <string.h>
28#include <math.h>
29#include <stdlib.h>
30#include <errno.h>
d86b83f8 31#include <signal.h>
22f7a060 32#include <limits.h>
7246177d 33#include <unistd.h>
245976da
DB
34#include "libavformat/avformat.h"
35#include "libavdevice/avdevice.h"
36#include "libswscale/swscale.h"
245976da 37#include "libavcodec/opt.h"
ce1ee094 38#include "libavcodec/audioconvert.h"
126b638e 39#include "libavcore/parseutils.h"
2b4abbd6 40#include "libavutil/colorspace.h"
245976da 41#include "libavutil/fifo.h"
718c7b18 42#include "libavutil/pixdesc.h"
245976da 43#include "libavutil/avstring.h"
335ee1aa 44#include "libavutil/libm.h"
245976da 45#include "libavformat/os_support.h"
daf8e955 46
46847a33
MN
47#if CONFIG_AVFILTER
48# include "libavfilter/avfilter.h"
49# include "libavfilter/avfiltergraph.h"
50# include "libavfilter/graphparser.h"
51# include "libavfilter/vsrc_buffer.h"
52#endif
53
b250f9c6 54#if HAVE_SYS_RESOURCE_H
0a1b29de 55#include <sys/types.h>
fc5607f8 56#include <sys/time.h>
b091aa44 57#include <sys/resource.h>
b250f9c6 58#elif HAVE_GETPROCESSTIMES
7495c306
RP
59#include <windows.h>
60#endif
fc5607f8
RD
61#if HAVE_GETPROCESSMEMORYINFO
62#include <windows.h>
63#include <psapi.h>
64#endif
7495c306 65
b250f9c6 66#if HAVE_SYS_SELECT_H
fb1d2d7b
BC
67#include <sys/select.h>
68#endif
69
b250f9c6 70#if HAVE_TERMIOS_H
85f07f22
FB
71#include <fcntl.h>
72#include <sys/ioctl.h>
85f07f22 73#include <sys/time.h>
85f07f22 74#include <termios.h>
b250f9c6 75#elif HAVE_CONIO_H
4b54c6d0 76#include <conio.h>
bdc4796f 77#endif
bf5af568 78#include <time.h>
85f07f22 79
01310af2
FB
80#include "cmdutils.h"
81
2b18dcd0
MN
82#undef NDEBUG
83#include <assert.h>
84
64555bd9 85const char program_name[] = "FFmpeg";
ea9c581f 86const int program_birth_year = 2000;
86074ed1 87
85f07f22
FB
88/* select an input stream for an output stream */
89typedef struct AVStreamMap {
90 int file_index;
91 int stream_index;
b4a3389e
WG
92 int sync_file_index;
93 int sync_stream_index;
85f07f22
FB
94} AVStreamMap;
95
0a38bafd
PB
96/** select an input file for an output file */
97typedef struct AVMetaDataMap {
98 int out_file;
99 int in_file;
100} AVMetaDataMap;
101
580a6c57 102static const OptionDef options[];
85f07f22 103
60402344 104#define MAX_FILES 100
85f07f22 105
ef6fc647 106static const char *last_asked_format = NULL;
85f07f22 107static AVFormatContext *input_files[MAX_FILES];
a6a92a9a 108static int64_t input_files_ts_offset[MAX_FILES];
8833f375 109static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
6488cf9b 110static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
85f07f22 111static int nb_input_files = 0;
6488cf9b 112static int nb_icodecs;
85f07f22
FB
113
114static AVFormatContext *output_files[MAX_FILES];
6488cf9b 115static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
85f07f22 116static int nb_output_files = 0;
6488cf9b 117static int nb_ocodecs;
85f07f22 118
f44fd374 119static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
85f07f22
FB
120static int nb_stream_maps;
121
0a38bafd
PB
122static AVMetaDataMap meta_data_maps[MAX_FILES];
123static int nb_meta_data_maps;
124
006e8108
MS
125/* indexed by output file stream index */
126static int streamid_map[MAX_STREAMS];
127
55cf1959
MN
128static int frame_width = 0;
129static int frame_height = 0;
880e8ba7 130static float frame_aspect_ratio = 0;
644a9262 131static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
ce1ee094 132static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
ab6d194a
MN
133static int frame_topBand = 0;
134static int frame_bottomBand = 0;
135static int frame_leftBand = 0;
136static int frame_rightBand = 0;
cf7fc795 137static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
89129c6b 138static AVRational frame_rate;
158c7f05 139static float video_qscale = 0;
84f608f4
VM
140static uint16_t *intra_matrix = NULL;
141static uint16_t *inter_matrix = NULL;
464a631c 142static const char *video_rc_override_string=NULL;
85f07f22 143static int video_disable = 0;
f3356e9c 144static int video_discard = 0;
4a897224 145static char *video_codec_name = NULL;
83a36b2e 146static unsigned int video_codec_tag = 0;
0fc2c0f6 147static char *video_language = NULL;
85f07f22 148static int same_quality = 0;
cfcf0ffd 149static int do_deinterlace = 0;
bb198e19 150static int top_field_first = -1;
f4f3223f 151static int me_threshold = 0;
1a11cbcc 152static int intra_dc_precision = 8;
5894e1bb 153static int loop_input = 0;
8108551a 154static int loop_output = AVFMT_NOOUTPUTLOOP;
0888fd22 155static int qp_hist = 0;
46847a33
MN
156#if CONFIG_AVFILTER
157static char *vfilters = NULL;
aa1249b8 158AVFilterGraph *graph = NULL;
46847a33 159#endif
85f07f22 160
85f07f22
FB
161static int intra_only = 0;
162static int audio_sample_rate = 44100;
13367a46 163static int64_t channel_layout = 0;
c57c770d
JR
164#define QSCALE_NONE -99999
165static float audio_qscale = QSCALE_NONE;
85f07f22
FB
166static int audio_disable = 0;
167static int audio_channels = 1;
4a897224 168static char *audio_codec_name = NULL;
83a36b2e 169static unsigned int audio_codec_tag = 0;
cf7fc795
FB
170static char *audio_language = NULL;
171
11bf3847 172static int subtitle_disable = 0;
4a897224 173static char *subtitle_codec_name = NULL;
cf7fc795 174static char *subtitle_language = NULL;
83a36b2e 175static unsigned int subtitle_codec_tag = 0;
85f07f22 176
17c88cb0
MN
177static float mux_preload= 0.5;
178static float mux_max_delay= 0.7;
2db3c638 179
fc7ad2af 180static int64_t recording_time = INT64_MAX;
8831db5c 181static int64_t start_time = 0;
25d34458 182static int64_t recording_timestamp = 0;
a6a92a9a 183static int64_t input_ts_offset = 0;
85f07f22 184static int file_overwrite = 0;
a5926d85
AJ
185static int metadata_count;
186static AVMetadataTag *metadata;
5727b222 187static int do_benchmark = 0;
a0663ba4 188static int do_hex_dump = 0;
254abc2e 189static int do_pkt_dump = 0;
43f1708f 190static int do_psnr = 0;
5abdb4b1 191static int do_pass = 0;
ad16627f 192static char *pass_logfilename_prefix = NULL;
1629626f
FB
193static int audio_stream_copy = 0;
194static int video_stream_copy = 0;
cf7fc795 195static int subtitle_stream_copy = 0;
8858816d 196static int video_sync_method= -1;
986ebcdb 197static int audio_sync_method= 0;
d4d226a8 198static float audio_drift_threshold= 0.1;
72bd8100 199static int copy_ts= 0;
76bdac6d 200static int opt_shortest = 0;
90ad92b3 201static int video_global_header = 0;
b60d1379 202static char *vstats_filename;
032aa7df 203static FILE *vstats_file;
50e143c4 204static int opt_programid = 0;
50e3477f 205static int copy_initial_nonkeyframes = 0;
5abdb4b1 206
bdfcbbed
MK
207static int rate_emu = 0;
208
a5df11ab 209static int video_channel = 0;
df0cecdd 210static char *video_standard;
79a7c268 211
a9aa3467 212static int audio_volume = 256;
8aa3ee32 213
f2abc559 214static int exit_on_error = 0;
d9a916e2 215static int using_stdin = 0;
f068206e 216static int verbose = 1;
9c3d33d6 217static int thread_count= 1;
b51469a0 218static int q_pressed = 0;
1008ceb3
MN
219static int64_t video_size = 0;
220static int64_t audio_size = 0;
221static int64_t extra_size = 0;
a6a92a9a
WG
222static int nb_frames_dup = 0;
223static int nb_frames_drop = 0;
6e454c38 224static int input_sync;
76bdac6d 225static uint64_t limit_filesize = 0;
d2845b75 226static int force_fps = 0;
d9a916e2 227
5b6d5596 228static int pgmyuv_compatibility_hack=0;
a8482aab 229static float dts_delta_threshold = 10;
5b6d5596 230
e60da588 231static unsigned int sws_flags = SWS_BICUBIC;
18a54b04 232
29cc1c23 233static int64_t timer_start;
8bbf6db9 234
3321cb3f
BC
235static uint8_t *audio_buf;
236static uint8_t *audio_out;
b8919a30 237unsigned int allocated_audio_out_size, allocated_audio_buf_size;
3321cb3f
BC
238
239static short *samples;
240
748c2fca
MN
241static AVBitStreamFilterContext *video_bitstream_filters=NULL;
242static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
e1cc8339 243static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
748c2fca 244static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
5b6d5596 245
ad16627f 246#define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
85f07f22 247
b4a3389e
WG
248struct AVInputStream;
249
85f07f22
FB
250typedef struct AVOutputStream {
251 int file_index; /* file index */
252 int index; /* stream index in the output file */
253 int source_index; /* AVInputStream index */
254 AVStream *st; /* stream in the output file */
ec5517d5
FB
255 int encoding_needed; /* true if encoding needed for this stream */
256 int frame_number;
257 /* input pts and corresponding output pts
258 for A/V sync */
b4a3389e
WG
259 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
260 struct AVInputStream *sync_ist; /* input stream to sync against */
e928649b 261 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
85f07f22 262 /* video only */
07d0cdfc 263 int video_resample;
a4d36c11 264 AVFrame pict_tmp; /* temporary image for resampling */
18a54b04
LA
265 struct SwsContext *img_resample_ctx; /* for image resampling */
266 int resample_height;
352666c1 267 int resample_width;
01a3c821 268 int resample_pix_fmt;
34b10a57 269
352666c1
EB
270 /* full frame size of first frame */
271 int original_height;
272 int original_width;
273
274 /* cropping area sizes */
07d0cdfc 275 int video_crop;
352666c1
EB
276 int topBand;
277 int bottomBand;
34b10a57 278 int leftBand;
352666c1
EB
279 int rightBand;
280
281 /* cropping area of first frame */
282 int original_topBand;
283 int original_bottomBand;
284 int original_leftBand;
285 int original_rightBand;
115329f1 286
85f07f22
FB
287 /* audio only */
288 int audio_resample;
289 ReSampleContext *resample; /* for audio resampling */
a79db0f7
PR
290 int reformat_pair;
291 AVAudioConvert *reformat_ctx;
41dd680d 292 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
5abdb4b1 293 FILE *logfile;
85f07f22
FB
294} AVOutputStream;
295
296typedef struct AVInputStream {
297 int file_index;
298 int index;
299 AVStream *st;
300 int discard; /* true if stream data should be discarded */
301 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
0c1a9eda 302 int64_t sample_index; /* current sample */
bdfcbbed
MK
303
304 int64_t start; /* time when read started */
254abc2e
FB
305 int64_t next_pts; /* synthetic pts for cases where pkt.pts
306 is not defined */
e7d0374f 307 int64_t pts; /* current pts */
ff4905a5 308 int is_start; /* is 1 at the start and after a discontinuity */
3ff0daf0 309 int showed_multi_packet_warning;
55a7e946 310 int is_past_recording_time;
46847a33
MN
311#if CONFIG_AVFILTER
312 AVFilterContext *out_video_filter;
313 AVFilterContext *input_video_filter;
314 AVFrame *filter_frame;
315 int has_filter_frame;
316 AVFilterPicRef *picref;
317#endif
85f07f22
FB
318} AVInputStream;
319
320typedef struct AVInputFile {
321 int eof_reached; /* true if eof reached */
322 int ist_index; /* index of first stream in ist_table */
323 int buffer_size; /* current total buffer size */
79fdaa4c 324 int nb_streams; /* nb streams we are aware of */
85f07f22
FB
325} AVInputFile;
326
b250f9c6 327#if HAVE_TERMIOS_H
bdc4796f 328
85f07f22
FB
329/* init terminal so that we can grab keys */
330static struct termios oldtty;
64f6e357 331#endif
85f07f22 332
46847a33
MN
333#if CONFIG_AVFILTER
334typedef struct {
335 int pix_fmt;
336} FilterOutPriv;
337
338
339static int output_init(AVFilterContext *ctx, const char *args, void *opaque)
340{
341 FilterOutPriv *priv = ctx->priv;
342
343 if(!opaque) return -1;
344
345 priv->pix_fmt = *((int *)opaque);
346
347 return 0;
348}
349
350static void output_end_frame(AVFilterLink *link)
351{
352}
353
354static int output_query_formats(AVFilterContext *ctx)
355{
356 FilterOutPriv *priv = ctx->priv;
357 enum PixelFormat pix_fmts[] = { priv->pix_fmt, PIX_FMT_NONE };
358
359 avfilter_set_common_formats(ctx, avfilter_make_format_list(pix_fmts));
360 return 0;
361}
362
363static int get_filtered_video_pic(AVFilterContext *ctx,
364 AVFilterPicRef **picref, AVFrame *pic2,
365 uint64_t *pts)
366{
367 AVFilterPicRef *pic;
368
369 if(avfilter_request_frame(ctx->inputs[0]))
370 return -1;
371 if(!(pic = ctx->inputs[0]->cur_pic))
372 return -1;
373 *picref = pic;
374 ctx->inputs[0]->cur_pic = NULL;
375
376 *pts = pic->pts;
377
378 memcpy(pic2->data, pic->data, sizeof(pic->data));
379 memcpy(pic2->linesize, pic->linesize, sizeof(pic->linesize));
bdab692f
MN
380 pic2->interlaced_frame = pic->interlaced;
381 pic2->top_field_first = pic->top_field_first;
46847a33
MN
382
383 return 1;
384}
385
386static AVFilter output_filter =
387{
388 .name = "ffmpeg_output",
389
390 .priv_size = sizeof(FilterOutPriv),
391 .init = output_init,
392
393 .query_formats = output_query_formats,
394
395 .inputs = (AVFilterPad[]) {{ .name = "default",
396 .type = AVMEDIA_TYPE_VIDEO,
397 .end_frame = output_end_frame,
398 .min_perms = AV_PERM_READ, },
399 { .name = NULL }},
400 .outputs = (AVFilterPad[]) {{ .name = NULL }},
401};
402
403static int configure_filters(AVInputStream *ist, AVOutputStream *ost)
404{
a9f3cb93 405 AVFilterContext *last_filter, *filter;
46847a33
MN
406 /** filter graph containing all filters including input & output */
407 AVCodecContext *codec = ost->st->codec;
408 AVCodecContext *icodec = ist->st->codec;
409 char args[255];
410
aa1249b8 411 graph = av_mallocz(sizeof(AVFilterGraph));
46847a33 412
79b90b25 413 if (!(ist->input_video_filter = avfilter_open(avfilter_get_by_name("buffer"), "src")))
46847a33 414 return -1;
79b90b25 415 if (!(ist->out_video_filter = avfilter_open(&output_filter, "out")))
46847a33
MN
416 return -1;
417
418 snprintf(args, 255, "%d:%d:%d", ist->st->codec->width,
419 ist->st->codec->height, ist->st->codec->pix_fmt);
79b90b25 420 if (avfilter_init_filter(ist->input_video_filter, args, NULL))
46847a33 421 return -1;
79b90b25 422 if (avfilter_init_filter(ist->out_video_filter, NULL, &codec->pix_fmt))
46847a33
MN
423 return -1;
424
425 /* add input and output filters to the overall graph */
aa1249b8
BC
426 avfilter_graph_add_filter(graph, ist->input_video_filter);
427 avfilter_graph_add_filter(graph, ist->out_video_filter);
46847a33 428
a9f3cb93 429 last_filter = ist->input_video_filter;
46847a33 430
79b90b25 431 if (ost->video_crop) {
6e82e7fa 432 snprintf(args, 255, "%d:%d:%d:%d", ost->leftBand, ost->topBand,
0c22311b
MN
433 codec->width,
434 codec->height);
a9f3cb93
BC
435 filter = avfilter_open(avfilter_get_by_name("crop"), NULL);
436 if (!filter)
46847a33 437 return -1;
a9f3cb93 438 if (avfilter_init_filter(filter, args, NULL))
46847a33 439 return -1;
a9f3cb93 440 if (avfilter_link(last_filter, 0, filter, 0))
46847a33 441 return -1;
a9f3cb93
BC
442 last_filter = filter;
443 avfilter_graph_add_filter(graph, last_filter);
46847a33
MN
444 }
445
446 if((codec->width !=
0c22311b
MN
447 icodec->width - (frame_leftBand + frame_rightBand)) ||
448 (codec->height != icodec->height - (frame_topBand + frame_bottomBand))) {
6e82e7fa 449 snprintf(args, 255, "%d:%d:flags=0x%X",
0c22311b
MN
450 codec->width,
451 codec->height,
46847a33 452 (int)av_get_int(sws_opts, "sws_flags", NULL));
a9f3cb93
BC
453 filter = avfilter_open(avfilter_get_by_name("scale"), NULL);
454 if (!filter)
46847a33 455 return -1;
a9f3cb93 456 if (avfilter_init_filter(filter, args, NULL))
46847a33 457 return -1;
a9f3cb93 458 if (avfilter_link(last_filter, 0, filter, 0))
46847a33 459 return -1;
a9f3cb93
BC
460 last_filter = filter;
461 avfilter_graph_add_filter(graph, last_filter);
46847a33
MN
462 }
463
f96363df
BC
464 snprintf(args, sizeof(args), "flags=0x%X", (int)av_get_int(sws_opts, "sws_flags", NULL));
465 graph->scale_sws_opts = av_strdup(args);
466
79b90b25 467 if (vfilters) {
46847a33
MN
468 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
469 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
470
471 outputs->name = av_strdup("in");
a9f3cb93 472 outputs->filter = last_filter;
46847a33
MN
473 outputs->pad_idx = 0;
474 outputs->next = NULL;
475
476 inputs->name = av_strdup("out");
477 inputs->filter = ist->out_video_filter;
478 inputs->pad_idx = 0;
479 inputs->next = NULL;
480
aa1249b8 481 if (avfilter_graph_parse(graph, vfilters, inputs, outputs, NULL) < 0)
46847a33
MN
482 return -1;
483 av_freep(&vfilters);
484 } else {
a9f3cb93 485 if (avfilter_link(last_filter, 0, ist->out_video_filter, 0) < 0)
46847a33
MN
486 return -1;
487 }
488
46847a33 489 /* configure all the filter links */
79b90b25 490 if (avfilter_graph_check_validity(graph, NULL))
46847a33 491 return -1;
79b90b25 492 if (avfilter_graph_config_formats(graph, NULL))
46847a33 493 return -1;
79b90b25 494 if (avfilter_graph_config_links(graph, NULL))
46847a33
MN
495 return -1;
496
497 codec->width = ist->out_video_filter->inputs[0]->w;
498 codec->height = ist->out_video_filter->inputs[0]->h;
499
500 return 0;
501}
502#endif /* CONFIG_AVFILTER */
503
85f07f22
FB
504static void term_exit(void)
505{
64f6e357 506#if HAVE_TERMIOS_H
85f07f22 507 tcsetattr (0, TCSANOW, &oldtty);
9a9509e6 508#endif
64f6e357 509}
85f07f22 510
e9a832e5 511static volatile int received_sigterm = 0;
9680a722
RP
512
513static void
514sigterm_handler(int sig)
515{
516 received_sigterm = sig;
517 term_exit();
518}
519
85f07f22
FB
520static void term_init(void)
521{
b250f9c6 522#if HAVE_TERMIOS_H
85f07f22
FB
523 struct termios tty;
524
525 tcgetattr (0, &tty);
526 oldtty = tty;
9a9509e6 527 atexit(term_exit);
85f07f22
FB
528
529 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
530 |INLCR|IGNCR|ICRNL|IXON);
531 tty.c_oflag |= OPOST;
532 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
533 tty.c_cflag &= ~(CSIZE|PARENB);
534 tty.c_cflag |= CS8;
535 tty.c_cc[VMIN] = 1;
536 tty.c_cc[VTIME] = 0;
115329f1 537
85f07f22 538 tcsetattr (0, TCSANOW, &tty);
d86b83f8
RP
539 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
540#endif
85f07f22 541
9680a722 542 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
9680a722 543 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
ffcc6e24
MR
544#ifdef SIGXCPU
545 signal(SIGXCPU, sigterm_handler);
546#endif
85f07f22
FB
547}
548
549/* read a key without blocking */
550static int read_key(void)
551{
b250f9c6 552#if HAVE_TERMIOS_H
9ddd71fc 553 int n = 1;
85f07f22 554 unsigned char ch;
9ddd71fc 555 struct timeval tv;
85f07f22
FB
556 fd_set rfds;
557
558 FD_ZERO(&rfds);
559 FD_SET(0, &rfds);
560 tv.tv_sec = 0;
561 tv.tv_usec = 0;
562 n = select(1, &rfds, NULL, NULL, &tv);
563 if (n > 0) {
cb09b2ed
PG
564 n = read(0, &ch, 1);
565 if (n == 1)
85f07f22 566 return ch;
cb09b2ed
PG
567
568 return n;
85f07f22 569 }
b250f9c6 570#elif HAVE_CONIO_H
4b54c6d0
RP
571 if(kbhit())
572 return(getch());
d86b83f8 573#endif
85f07f22
FB
574 return -1;
575}
576
b51469a0
LS
577static int decode_interrupt_cb(void)
578{
579 return q_pressed || (q_pressed = read_key() == 'q');
580}
581
639e4ec8 582static int ffmpeg_exit(int ret)
e5295c0d
RP
583{
584 int i;
585
586 /* close files */
587 for(i=0;i<nb_output_files;i++) {
588 /* maybe av_close_output_file ??? */
589 AVFormatContext *s = output_files[i];
590 int j;
8767060c 591 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
e5295c0d
RP
592 url_fclose(s->pb);
593 for(j=0;j<s->nb_streams;j++) {
094d9df7 594 av_metadata_free(&s->streams[j]->metadata);
e5295c0d
RP
595 av_free(s->streams[j]->codec);
596 av_free(s->streams[j]);
597 }
094d9df7
AJ
598 for(j=0;j<s->nb_programs;j++) {
599 av_metadata_free(&s->programs[j]->metadata);
600 }
601 for(j=0;j<s->nb_chapters;j++) {
602 av_metadata_free(&s->chapters[j]->metadata);
603 }
604 av_metadata_free(&s->metadata);
e5295c0d
RP
605 av_free(s);
606 }
607 for(i=0;i<nb_input_files;i++)
608 av_close_input_file(input_files[i]);
609
e5295c0d
RP
610 av_free(intra_matrix);
611 av_free(inter_matrix);
612
613 if (vstats_file)
614 fclose(vstats_file);
615 av_free(vstats_filename);
616
617 av_free(opt_names);
618
619 av_free(video_codec_name);
620 av_free(audio_codec_name);
621 av_free(subtitle_codec_name);
622
623 av_free(video_standard);
624
72415b2a 625 for (i=0;i<AVMEDIA_TYPE_NB;i++)
5973490a
BC
626 av_free(avcodec_opts[i]);
627 av_free(avformat_opts);
628 av_free(sws_opts);
3321cb3f
BC
629 av_free(audio_buf);
630 av_free(audio_out);
b8919a30 631 allocated_audio_buf_size= allocated_audio_out_size= 0;
3321cb3f 632 av_free(samples);
5973490a 633
46847a33
MN
634#if CONFIG_AVFILTER
635 avfilter_uninit();
636#endif
637
e5295c0d
RP
638 if (received_sigterm) {
639 fprintf(stderr,
640 "Received signal %d: terminating.\n",
641 (int) received_sigterm);
642 exit (255);
643 }
644
296df4e7
RP
645 exit(ret); /* not all OS-es handle main() return value */
646 return ret;
e5295c0d
RP
647}
648
aa1de0d9
RB
649static void choose_sample_fmt(AVStream *st, AVCodec *codec)
650{
651 if(codec && codec->sample_fmts){
652 const enum SampleFormat *p= codec->sample_fmts;
653 for(; *p!=-1; p++){
654 if(*p == st->codec->sample_fmt)
655 break;
656 }
657 if(*p == -1)
658 st->codec->sample_fmt = codec->sample_fmts[0];
659 }
660}
661
10d0f5e0
MN
662static void choose_sample_rate(AVStream *st, AVCodec *codec)
663{
664 if(codec && codec->supported_samplerates){
665 const int *p= codec->supported_samplerates;
3c5e1b36 666 int best=0;
10d0f5e0
MN
667 int best_dist=INT_MAX;
668 for(; *p; p++){
669 int dist= abs(st->codec->sample_rate - *p);
670 if(dist < best_dist){
671 best_dist= dist;
672 best= *p;
673 }
674 }
ff866063
MN
675 if(best_dist){
676 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
677 }
10d0f5e0
MN
678 st->codec->sample_rate= best;
679 }
680}
681
aa1de0d9
RB
682static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
683{
684 if(codec && codec->pix_fmts){
685 const enum PixelFormat *p= codec->pix_fmts;
686 for(; *p!=-1; p++){
687 if(*p == st->codec->pix_fmt)
688 break;
689 }
690 if(*p == -1
691 && !( st->codec->codec_id==CODEC_ID_MJPEG
2d525ef4 692 && st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL
aa1de0d9
RB
693 && ( st->codec->pix_fmt == PIX_FMT_YUV420P
694 || st->codec->pix_fmt == PIX_FMT_YUV422P)))
695 st->codec->pix_fmt = codec->pix_fmts[0];
696 }
697}
698
b29f97d1 699static int read_ffserver_streams(AVFormatContext *s, const char *filename)
85f07f22 700{
79fdaa4c 701 int i, err;
85f07f22 702 AVFormatContext *ic;
3438d82d 703 int nopts = 0;
85f07f22 704
79fdaa4c
FB
705 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
706 if (err < 0)
707 return err;
85f07f22
FB
708 /* copy stream format */
709 s->nb_streams = ic->nb_streams;
710 for(i=0;i<ic->nb_streams;i++) {
711 AVStream *st;
d9521cb1 712 AVCodec *codec;
1e491e29 713
f37f8d4c 714 // FIXME: a more elegant solution is needed
e1031171 715 st = av_mallocz(sizeof(AVStream));
85f07f22 716 memcpy(st, ic->streams[i], sizeof(AVStream));
f37f8d4c 717 st->codec = avcodec_alloc_context();
7ef61879
RP
718 if (!st->codec) {
719 print_error(filename, AVERROR(ENOMEM));
639e4ec8 720 ffmpeg_exit(1);
7ef61879 721 }
d9521cb1 722 avcodec_copy_context(st->codec, ic->streams[i]->codec);
85f07f22 723 s->streams[i] = st;
837d248d 724
d9521cb1
RB
725 codec = avcodec_find_encoder(st->codec->codec_id);
726 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
727 if (audio_stream_copy) {
728 st->stream_copy = 1;
729 } else
730 choose_sample_fmt(st, codec);
731 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
732 if (video_stream_copy) {
733 st->stream_copy = 1;
734 } else
735 choose_pixel_fmt(st, codec);
736 }
837d248d 737
dbedf2aa
BC
738 if(!st->codec->thread_count)
739 st->codec->thread_count = 1;
740 if(st->codec->thread_count>1)
741 avcodec_thread_init(st->codec, st->codec->thread_count);
742
3438d82d
BC
743 if(st->codec->flags & CODEC_FLAG_BITEXACT)
744 nopts = 1;
85f07f22
FB
745 }
746
3438d82d
BC
747 if (!nopts)
748 s->timestamp = av_gettime();
749
85f07f22
FB
750 av_close_input_file(ic);
751 return 0;
752}
753
b4a3389e
WG
754static double
755get_sync_ipts(const AVOutputStream *ost)
756{
757 const AVInputStream *ist = ost->sync_ist;
fec401f7 758 return (double)(ist->pts - start_time)/AV_TIME_BASE;
b4a3389e
WG
759}
760
748c2fca 761static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
0ac07031
MN
762 int ret;
763
748c2fca
MN
764 while(bsfc){
765 AVPacket new_pkt= *pkt;
766 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
767 &new_pkt.data, &new_pkt.size,
768 pkt->data, pkt->size,
cc947f04 769 pkt->flags & AV_PKT_FLAG_KEY);
7055cdac 770 if(a>0){
748c2fca
MN
771 av_free_packet(pkt);
772 new_pkt.destruct= av_destruct_packet;
7055cdac 773 } else if(a<0){
1f8e32cd
DB
774 fprintf(stderr, "%s failed for stream %d, codec %s",
775 bsfc->filter->name, pkt->stream_index,
776 avctx->codec ? avctx->codec->name : "copy");
7055cdac 777 print_error("", a);
f2abc559 778 if (exit_on_error)
639e4ec8 779 ffmpeg_exit(1);
748c2fca
MN
780 }
781 *pkt= new_pkt;
782
783 bsfc= bsfc->next;
784 }
785
0ac07031
MN
786 ret= av_interleaved_write_frame(s, pkt);
787 if(ret < 0){
788 print_error("av_interleaved_write_frame()", ret);
639e4ec8 789 ffmpeg_exit(1);
0ac07031 790 }
748c2fca
MN
791}
792
817b23ff 793#define MAX_AUDIO_PACKET_SIZE (128 * 1024)
85f07f22 794
115329f1
DB
795static void do_audio_out(AVFormatContext *s,
796 AVOutputStream *ost,
85f07f22
FB
797 AVInputStream *ist,
798 unsigned char *buf, int size)
799{
0c1a9eda 800 uint8_t *buftmp;
15bfe412 801 int64_t audio_out_size, audio_buf_size;
7a086a85 802 int64_t allocated_for_size= size;
d66c7abc 803
85f07f22 804 int size_out, frame_bytes, ret;
01f4895c 805 AVCodecContext *enc= ost->st->codec;
2886f311 806 AVCodecContext *dec= ist->st->codec;
287ba997
PR
807 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
808 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
15bfe412
MN
809 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
810
7a086a85
MN
811need_realloc:
812 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
15bfe412 813 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
8b484d0f 814 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
79c85beb 815 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
15bfe412
MN
816 audio_buf_size*= osize*enc->channels;
817
818 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
819 if(coded_bps > 8*osize)
820 audio_out_size= audio_out_size * coded_bps / (8*osize);
821 audio_out_size += FF_MIN_BUFFER_SIZE;
822
823 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
824 fprintf(stderr, "Buffer sizes too large\n");
639e4ec8 825 ffmpeg_exit(1);
15bfe412 826 }
85f07f22 827
b8919a30
MN
828 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
829 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
e185a2f6
MN
830 if (!audio_buf || !audio_out){
831 fprintf(stderr, "Out of memory in do_audio_out\n");
639e4ec8 832 ffmpeg_exit(1);
e185a2f6 833 }
d66c7abc 834
2886f311
835 if (enc->channels != dec->channels)
836 ost->audio_resample = 1;
837
838 if (ost->audio_resample && !ost->resample) {
d1e3c6fd
BC
839 if (dec->sample_fmt != SAMPLE_FMT_S16)
840 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
841 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
842 enc->sample_rate, dec->sample_rate,
843 enc->sample_fmt, dec->sample_fmt,
844 16, 10, 0, 0.8);
2886f311
845 if (!ost->resample) {
846 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
847 dec->channels, dec->sample_rate,
848 enc->channels, enc->sample_rate);
639e4ec8 849 ffmpeg_exit(1);
2886f311
850 }
851 }
852
a79db0f7 853#define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
d1e3c6fd 854 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
a79db0f7 855 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
a79db0f7
PR
856 if (ost->reformat_ctx)
857 av_audio_convert_free(ost->reformat_ctx);
858 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
859 dec->sample_fmt, 1, NULL, 0);
860 if (!ost->reformat_ctx) {
861 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
862 avcodec_get_sample_fmt_name(dec->sample_fmt),
863 avcodec_get_sample_fmt_name(enc->sample_fmt));
639e4ec8 864 ffmpeg_exit(1);
a79db0f7
PR
865 }
866 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
867 }
868
986ebcdb 869 if(audio_sync_method){
115329f1 870 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
41dd680d 871 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
01f4895c
MN
872 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
873 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
ff4905a5 874
986ebcdb
MN
875 //FIXME resample delay
876 if(fabs(delta) > 50){
d4d226a8 877 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
ff4905a5 878 if(byte_delta < 0){
f41dd5aa 879 byte_delta= FFMAX(byte_delta, -size);
ff4905a5
MN
880 size += byte_delta;
881 buf -= byte_delta;
882 if(verbose > 2)
883 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
884 if(!size)
885 return;
886 ist->is_start=0;
887 }else{
888 static uint8_t *input_tmp= NULL;
889 input_tmp= av_realloc(input_tmp, byte_delta + size);
890
7a086a85
MN
891 if(byte_delta > allocated_for_size - size){
892 allocated_for_size= byte_delta + (int64_t)size;
893 goto need_realloc;
894 }
895 ist->is_start=0;
ff4905a5
MN
896
897 memset(input_tmp, 0, byte_delta);
898 memcpy(input_tmp + byte_delta, buf, size);
899 buf= input_tmp;
900 size += byte_delta;
901 if(verbose > 2)
902 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
903 }
904 }else if(audio_sync_method>1){
f66e4f5f 905 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
ff4905a5
MN
906 assert(ost->audio_resample);
907 if(verbose > 2)
908 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
41dd680d 909// 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
910 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
911 }
115329f1 912 }
986ebcdb 913 }else
b4a3389e 914 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
41dd680d 915 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
85f07f22
FB
916
917 if (ost->audio_resample) {
918 buftmp = audio_buf;
115329f1 919 size_out = audio_resample(ost->resample,
85f07f22 920 (short *)buftmp, (short *)buf,
287ba997
PR
921 size / (ist->st->codec->channels * isize));
922 size_out = size_out * enc->channels * osize;
85f07f22
FB
923 } else {
924 buftmp = buf;
925 size_out = size;
926 }
927
d1e3c6fd 928 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
a79db0f7 929 const void *ibuf[6]= {buftmp};
80f47250 930 void *obuf[6]= {audio_buf};
287ba997
PR
931 int istride[6]= {isize};
932 int ostride[6]= {osize};
a79db0f7
PR
933 int len= size_out/istride[0];
934 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
935 printf("av_audio_convert() failed\n");
f2abc559 936 if (exit_on_error)
639e4ec8 937 ffmpeg_exit(1);
a79db0f7
PR
938 return;
939 }
80f47250 940 buftmp = audio_buf;
287ba997 941 size_out = len*osize;
a79db0f7
PR
942 }
943
85f07f22 944 /* now encode as many frames as possible */
a0663ba4 945 if (enc->frame_size > 1) {
85f07f22 946 /* output resampled raw samples */
41dd680d 947 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
745b39d5 948 fprintf(stderr, "av_fifo_realloc2() failed\n");
639e4ec8 949 ffmpeg_exit(1);
745b39d5 950 }
41dd680d 951 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
85f07f22 952
287ba997 953 frame_bytes = enc->frame_size * osize * enc->channels;
115329f1 954
41dd680d 955 while (av_fifo_size(ost->fifo) >= frame_bytes) {
e928649b
MN
956 AVPacket pkt;
957 av_init_packet(&pkt);
958
3898eed8 959 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
0871ae1a 960
5bc440e7
MN
961 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
962
115329f1 963 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
a0663ba4 964 (short *)audio_buf);
528271ff
MN
965 if (ret < 0) {
966 fprintf(stderr, "Audio encoding failed\n");
639e4ec8 967 ffmpeg_exit(1);
528271ff 968 }
1008ceb3 969 audio_size += ret;
e928649b
MN
970 pkt.stream_index= ost->index;
971 pkt.data= audio_out;
972 pkt.size= ret;
e7902f20 973 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
c0df9d75 974 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
cc947f04 975 pkt.flags |= AV_PKT_FLAG_KEY;
748c2fca 976 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
115329f1 977
986ebcdb 978 ost->sync_opts += enc->frame_size;
85f07f22
FB
979 }
980 } else {
e928649b
MN
981 AVPacket pkt;
982 av_init_packet(&pkt);
986ebcdb 983
287ba997 984 ost->sync_opts += size_out / (osize * enc->channels);
986ebcdb 985
a0663ba4 986 /* output a pcm frame */
287ba997
PR
987 /* determine the size of the coded buffer */
988 size_out /= osize;
989 if (coded_bps)
060b8592 990 size_out = size_out*coded_bps/8;
287ba997 991
5ee05a62
MN
992 if(size_out > audio_out_size){
993 fprintf(stderr, "Internal error, buffer size too small\n");
639e4ec8 994 ffmpeg_exit(1);
5ee05a62
MN
995 }
996
5bc440e7 997 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
115329f1 998 ret = avcodec_encode_audio(enc, audio_out, size_out,
bb270c08 999 (short *)buftmp);
528271ff
MN
1000 if (ret < 0) {
1001 fprintf(stderr, "Audio encoding failed\n");
639e4ec8 1002 ffmpeg_exit(1);
528271ff 1003 }
1008ceb3 1004 audio_size += ret;
e928649b
MN
1005 pkt.stream_index= ost->index;
1006 pkt.data= audio_out;
1007 pkt.size= ret;
e7902f20 1008 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
c0df9d75 1009 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
cc947f04 1010 pkt.flags |= AV_PKT_FLAG_KEY;
748c2fca 1011 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
85f07f22
FB
1012 }
1013}
1014
10d104e4
PG
1015static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
1016{
1017 AVCodecContext *dec;
1018 AVPicture *picture2;
1019 AVPicture picture_tmp;
0c1a9eda 1020 uint8_t *buf = 0;
10d104e4 1021
01f4895c 1022 dec = ist->st->codec;
10d104e4
PG
1023
1024 /* deinterlace : must be done before any resize */
fdf11906 1025 if (do_deinterlace) {
10d104e4
PG
1026 int size;
1027
1028 /* create temporary picture */
1029 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1030 buf = av_malloc(size);
1031 if (!buf)
1032 return;
115329f1 1033
10d104e4
PG
1034 picture2 = &picture_tmp;
1035 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1036
9e1cc598
RP
1037 if(avpicture_deinterlace(picture2, picture,
1038 dec->pix_fmt, dec->width, dec->height) < 0) {
1039 /* if error, do not deinterlace */
1040 fprintf(stderr, "Deinterlacing failed\n");
1041 av_free(buf);
1042 buf = NULL;
1043 picture2 = picture;
1044 }
10d104e4
PG
1045 } else {
1046 picture2 = picture;
1047 }
1048
10d104e4
PG
1049 if (picture != picture2)
1050 *picture = *picture2;
1051 *bufp = buf;
1052}
1053
ec5517d5
FB
1054/* we begin to correct av delay at this threshold */
1055#define AV_DELAY_MAX 0.100
85f07f22 1056
115329f1
DB
1057static void do_subtitle_out(AVFormatContext *s,
1058 AVOutputStream *ost,
cf7fc795
FB
1059 AVInputStream *ist,
1060 AVSubtitle *sub,
1061 int64_t pts)
1062{
1063 static uint8_t *subtitle_out = NULL;
7f4fca03 1064 int subtitle_out_max_size = 1024 * 1024;
cf7fc795
FB
1065 int subtitle_out_size, nb, i;
1066 AVCodecContext *enc;
1067 AVPacket pkt;
1068
1069 if (pts == AV_NOPTS_VALUE) {
1070 fprintf(stderr, "Subtitle packets must have a pts\n");
f2abc559 1071 if (exit_on_error)
639e4ec8 1072 ffmpeg_exit(1);
cf7fc795
FB
1073 return;
1074 }
1075
01f4895c 1076 enc = ost->st->codec;
cf7fc795
FB
1077
1078 if (!subtitle_out) {
1079 subtitle_out = av_malloc(subtitle_out_max_size);
1080 }
1081
1082 /* Note: DVB subtitle need one packet to draw them and one other
1083 packet to clear them */
1084 /* XXX: signal it in the codec context ? */
1085 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1086 nb = 2;
1087 else
1088 nb = 1;
1089
1090 for(i = 0; i < nb; i++) {
4bbe788a 1091 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
8b03c014
RD
1092 // start_display_time is required to be 0
1093 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1094 sub->end_display_time -= sub->start_display_time;
1095 sub->start_display_time = 0;
115329f1 1096 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
cf7fc795 1097 subtitle_out_max_size, sub);
266649a5
RD
1098 if (subtitle_out_size < 0) {
1099 fprintf(stderr, "Subtitle encoding failed\n");
639e4ec8 1100 ffmpeg_exit(1);
266649a5 1101 }
115329f1 1102
cf7fc795
FB
1103 av_init_packet(&pkt);
1104 pkt.stream_index = ost->index;
1105 pkt.data = subtitle_out;
1106 pkt.size = subtitle_out_size;
8b03c014 1107 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
cf7fc795
FB
1108 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1109 /* XXX: the pts correction is handled here. Maybe handling
1110 it in the codec would be better */
1111 if (i == 0)
1112 pkt.pts += 90 * sub->start_display_time;
1113 else
1114 pkt.pts += 90 * sub->end_display_time;
1115 }
748c2fca 1116 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
cf7fc795
FB
1117 }
1118}
1119
8a6cb114 1120static int bit_buffer_size= 1024*256;
27537106 1121static uint8_t *bit_buffer= NULL;
1ff93ffc 1122
115329f1
DB
1123static void do_video_out(AVFormatContext *s,
1124 AVOutputStream *ost,
85f07f22 1125 AVInputStream *ist,
7a0f9d7e 1126 AVFrame *in_picture,
986ebcdb 1127 int *frame_size)
85f07f22 1128{
ec5517d5 1129 int nb_frames, i, ret;
46847a33 1130#if !CONFIG_AVFILTER
352666c1 1131 int64_t topBand, bottomBand, leftBand, rightBand;
46847a33 1132#endif
07d0cdfc 1133 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
18a54b04 1134 AVFrame picture_crop_temp, picture_pad_temp;
cfcf0ffd 1135 AVCodecContext *enc, *dec;
47b229db 1136 double sync_ipts;
115329f1 1137
a4d36c11 1138 avcodec_get_frame_defaults(&picture_crop_temp);
07d0cdfc 1139 avcodec_get_frame_defaults(&picture_pad_temp);
a4d36c11 1140
01f4895c
MN
1141 enc = ost->st->codec;
1142 dec = ist->st->codec;
85f07f22 1143
47b229db
AS
1144 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1145
ec5517d5
FB
1146 /* by default, we output a single frame */
1147 nb_frames = 1;
1148
204c0f48
PG
1149 *frame_size = 0;
1150
9ff261a2 1151 if(video_sync_method){
d55065a2 1152 double vdelta = sync_ipts - ost->sync_opts;
e928649b
MN
1153 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1154 if (vdelta < -1.1)
1155 nb_frames = 0;
e6fdc2b1
MN
1156 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1157 if(vdelta<=-0.6){
1158 nb_frames=0;
1159 }else if(vdelta>0.6)
47b229db 1160 ost->sync_opts= lrintf(sync_ipts);
e6fdc2b1 1161 }else if (vdelta > 1.1)
70122f29 1162 nb_frames = lrintf(vdelta);
fc6765d7 1163//fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
50c3dd32
MN
1164 if (nb_frames == 0){
1165 ++nb_frames_drop;
1166 if (verbose>2)
1167 fprintf(stderr, "*** drop!\n");
8300609b 1168 }else if (nb_frames > 1) {
ed30e518 1169 nb_frames_dup += nb_frames - 1;
50c3dd32 1170 if (verbose>2)
8300609b 1171 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
50c3dd32
MN
1172 }
1173 }else
47b229db 1174 ost->sync_opts= lrintf(sync_ipts);
445f1b83 1175
72415b2a 1176 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
115329f1 1177 if (nb_frames <= 0)
85f07f22 1178 return;
ce7c56c2 1179
46847a33
MN
1180#if CONFIG_AVFILTER
1181 formatted_picture = in_picture;
1182#else
07d0cdfc 1183 if (ost->video_crop) {
636d6a4a 1184 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
49a06a4d 1185 fprintf(stderr, "error cropping picture\n");
f2abc559 1186 if (exit_on_error)
639e4ec8 1187 ffmpeg_exit(1);
4e780252 1188 return;
07d0cdfc
LA
1189 }
1190 formatted_picture = &picture_crop_temp;
18a54b04
LA
1191 } else {
1192 formatted_picture = in_picture;
07d0cdfc 1193 }
46847a33 1194#endif
07d0cdfc
LA
1195
1196 final_picture = formatted_picture;
1197 padding_src = formatted_picture;
1198 resampling_dst = &ost->pict_tmp;
07d0cdfc 1199
b83ccbff
MN
1200 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
1201 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
1202 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
1203
1204 fprintf(stderr,"Input Stream #%d.%d frame size changed to %dx%d, %s\n", ist->file_index, ist->index, ist->st->codec->width, ist->st->codec->height,avcodec_get_pix_fmt_name(ist->st->codec->pix_fmt));
1205 if(!ost->video_resample)
639e4ec8 1206 ffmpeg_exit(1);
b83ccbff
MN
1207 }
1208
46847a33 1209#if !CONFIG_AVFILTER
85f07f22 1210 if (ost->video_resample) {
07d0cdfc 1211 padding_src = NULL;
34b10a57 1212 final_picture = &ost->pict_tmp;
352666c1 1213 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
01a3c821
JGG
1214 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
1215 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
352666c1 1216
352666c1
EB
1217 /* keep bands proportional to the frame size */
1218 topBand = ((int64_t)ist->st->codec->height * ost->original_topBand / ost->original_height) & ~1;
1219 bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
1220 leftBand = ((int64_t)ist->st->codec->width * ost->original_leftBand / ost->original_width) & ~1;
1221 rightBand = ((int64_t)ist->st->codec->width * ost->original_rightBand / ost->original_width) & ~1;
1222
1223 /* sanity check to ensure no bad band sizes sneak in */
1224 assert(topBand <= INT_MAX && topBand >= 0);
1225 assert(bottomBand <= INT_MAX && bottomBand >= 0);
1226 assert(leftBand <= INT_MAX && leftBand >= 0);
1227 assert(rightBand <= INT_MAX && rightBand >= 0);
1228
1229 ost->topBand = topBand;
1230 ost->bottomBand = bottomBand;
1231 ost->leftBand = leftBand;
1232 ost->rightBand = rightBand;
1233
1234 ost->resample_height = ist->st->codec->height - (ost->topBand + ost->bottomBand);
1235 ost->resample_width = ist->st->codec->width - (ost->leftBand + ost->rightBand);
01a3c821 1236 ost->resample_pix_fmt= ist->st->codec->pix_fmt;
352666c1
EB
1237
1238 /* initialize a new scaler context */
1239 sws_freeContext(ost->img_resample_ctx);
1240 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1241 ost->img_resample_ctx = sws_getContext(
1242 ist->st->codec->width - (ost->leftBand + ost->rightBand),
1243 ist->st->codec->height - (ost->topBand + ost->bottomBand),
1244 ist->st->codec->pix_fmt,
0c22311b
MN
1245 ost->st->codec->width,
1246 ost->st->codec->height,
352666c1
EB
1247 ost->st->codec->pix_fmt,
1248 sws_flags, NULL, NULL, NULL);
1249 if (ost->img_resample_ctx == NULL) {
1250 fprintf(stderr, "Cannot get resampling context\n");
639e4ec8 1251 ffmpeg_exit(1);
352666c1
EB
1252 }
1253 }
18a54b04
LA
1254 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1255 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
f122deb4 1256 }
46847a33 1257#endif
07d0cdfc 1258
85f07f22 1259 /* duplicates frame if needed */
ec5517d5 1260 for(i=0;i<nb_frames;i++) {
e928649b
MN
1261 AVPacket pkt;
1262 av_init_packet(&pkt);
1263 pkt.stream_index= ost->index;
1264
e8750b00
FR
1265 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1266 /* raw pictures are written as AVPicture structure to
1267 avoid any copies. We support temorarily the older
1268 method. */
2744ca9a 1269 AVFrame* old_frame = enc->coded_frame;
bb270c08 1270 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
e928649b
MN
1271 pkt.data= (uint8_t *)final_picture;
1272 pkt.size= sizeof(AVPicture);
b4dba580 1273 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
cc947f04 1274 pkt.flags |= AV_PKT_FLAG_KEY;
e928649b 1275
748c2fca 1276 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
bb270c08 1277 enc->coded_frame = old_frame;
e8750b00 1278 } else {
492cd3a9 1279 AVFrame big_picture;
a4d36c11
MN
1280
1281 big_picture= *final_picture;
7a0f9d7e
FB
1282 /* better than nothing: use input picture interlaced
1283 settings */
1284 big_picture.interlaced_frame = in_picture->interlaced_frame;
72415b2a 1285 if(avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
bb198e19
MN
1286 if(top_field_first == -1)
1287 big_picture.top_field_first = in_picture->top_field_first;
1288 else
2a8edc5d 1289 big_picture.top_field_first = top_field_first;
bb198e19 1290 }
7a0f9d7e 1291
85f07f22
FB
1292 /* handles sameq here. This is not correct because it may
1293 not be a global option */
f62c025a 1294 big_picture.quality = same_quality ? ist->st->quality : ost->st->quality;
f4f3223f
MN
1295 if(!me_threshold)
1296 big_picture.pict_type = 0;
50c3dd32 1297// big_picture.pts = AV_NOPTS_VALUE;
c0df9d75
MN
1298 big_picture.pts= ost->sync_opts;
1299// big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
949b1a13 1300//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
115329f1 1301 ret = avcodec_encode_video(enc,
8a6cb114 1302 bit_buffer, bit_buffer_size,
1e491e29 1303 &big_picture);
95af5e1c 1304 if (ret < 0) {
4156a436 1305 fprintf(stderr, "Video encoding failed\n");
639e4ec8 1306 ffmpeg_exit(1);
4156a436 1307 }
54e28a85 1308
4bbc6260 1309 if(ret>0){
27537106 1310 pkt.data= bit_buffer;
e928649b 1311 pkt.size= ret;
e6b4e4ff 1312 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
c0df9d75 1313 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
949b1a13 1314/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
c0df9d75
MN
1315 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1316 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
50c3dd32 1317
e6b4e4ff 1318 if(enc->coded_frame->key_frame)
cc947f04 1319 pkt.flags |= AV_PKT_FLAG_KEY;
748c2fca 1320 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
e928649b 1321 *frame_size = ret;
44eb047a 1322 video_size += ret;
54e28a85
BC
1323 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1324 // enc->frame_number-1, ret, enc->pict_type);
e928649b
MN
1325 /* if two pass, output log */
1326 if (ost->logfile && enc->stats_out) {
1327 fprintf(ost->logfile, "%s", enc->stats_out);
1328 }
5abdb4b1 1329 }
85f07f22 1330 }
50c3dd32 1331 ost->sync_opts++;
ec5517d5 1332 ost->frame_number++;
85f07f22
FB
1333 }
1334}
1335
140cb663 1336static double psnr(double d){
b29f97d1 1337 return -10.0*log(d)/log(10.0);
140cb663
MN
1338}
1339
115329f1 1340static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
ec5517d5 1341 int frame_size)
ce7c56c2 1342{
ce7c56c2
J
1343 AVCodecContext *enc;
1344 int frame_number;
ce7c56c2 1345 double ti1, bitrate, avg_bitrate;
115329f1 1346
b60d1379 1347 /* this is executed just the first time do_video_stats is called */
032aa7df
SS
1348 if (!vstats_file) {
1349 vstats_file = fopen(vstats_filename, "w");
1350 if (!vstats_file) {
4bd0c2b1 1351 perror("fopen");
639e4ec8 1352 ffmpeg_exit(1);
4bd0c2b1
BF
1353 }
1354 }
1355
01f4895c 1356 enc = ost->st->codec;
72415b2a 1357 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
ec5517d5 1358 frame_number = ost->frame_number;
032aa7df 1359 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
140cb663 1360 if (enc->flags&CODEC_FLAG_PSNR)
032aa7df 1361 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
115329f1 1362
032aa7df 1363 fprintf(vstats_file,"f_size= %6d ", frame_size);
ec5517d5 1364 /* compute pts value */
c0df9d75 1365 ti1 = ost->sync_opts * av_q2d(enc->time_base);
ce7c56c2
J
1366 if (ti1 < 0.01)
1367 ti1 = 0.01;
115329f1 1368
c0df9d75 1369 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1008ceb3 1370 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
032aa7df 1371 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1008ceb3 1372 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
032aa7df 1373 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
ce7c56c2 1374 }
ec5517d5
FB
1375}
1376
b29f97d1 1377static void print_report(AVFormatContext **output_files,
bb270c08
DB
1378 AVOutputStream **ost_table, int nb_ostreams,
1379 int is_last_report)
ec5517d5
FB
1380{
1381 char buf[1024];
1382 AVOutputStream *ost;
b5ee9c23 1383 AVFormatContext *oc;
0c1a9eda 1384 int64_t total_size;
ec5517d5
FB
1385 AVCodecContext *enc;
1386 int frame_number, vid, i;
1387 double bitrate, ti1, pts;
0c1a9eda 1388 static int64_t last_time = -1;
0888fd22 1389 static int qp_histogram[52];
115329f1 1390
ec5517d5 1391 if (!is_last_report) {
0c1a9eda 1392 int64_t cur_time;
ec5517d5
FB
1393 /* display the report every 0.5 seconds */
1394 cur_time = av_gettime();
1395 if (last_time == -1) {
1396 last_time = cur_time;
1397 return;
115329f1 1398 }
ec5517d5
FB
1399 if ((cur_time - last_time) < 500000)
1400 return;
1401 last_time = cur_time;
1402 }
1403
ce7c56c2 1404
ec5517d5
FB
1405 oc = output_files[0];
1406
899681cd 1407 total_size = url_fsize(oc->pb);
859d95ba 1408 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
899681cd 1409 total_size= url_ftell(oc->pb);
115329f1 1410
ec5517d5
FB
1411 buf[0] = '\0';
1412 ti1 = 1e10;
1413 vid = 0;
1414 for(i=0;i<nb_ostreams;i++) {
1415 ost = ost_table[i];
01f4895c 1416 enc = ost->st->codec;
72415b2a 1417 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
0ecca7a4 1418 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
e6b4e4ff 1419 !ost->st->stream_copy ?
99fb79b5 1420 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
10d104e4 1421 }
72415b2a 1422 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
7fc98937
LW
1423 float t = (av_gettime()-timer_start) / 1000000.0;
1424
ec5517d5 1425 frame_number = ost->frame_number;
7fc98937
LW
1426 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1427 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
e6b4e4ff 1428 !ost->st->stream_copy ?
99fb79b5 1429 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
890972be 1430 if(is_last_report)
0ecca7a4 1431 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
e6b4e4ff 1432 if(qp_hist){
0888fd22
MN
1433 int j;
1434 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
37d3e066 1435 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
0888fd22
MN
1436 qp_histogram[qp]++;
1437 for(j=0; j<32; j++)
1438 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1439 }
890972be
MN
1440 if (enc->flags&CODEC_FLAG_PSNR){
1441 int j;
1442 double error, error_sum=0;
1443 double scale, scale_sum=0;
1444 char type[3]= {'Y','U','V'};
0ecca7a4 1445 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
890972be
MN
1446 for(j=0; j<3; j++){
1447 if(is_last_report){
1448 error= enc->error[j];
1449 scale= enc->width*enc->height*255.0*255.0*frame_number;
1450 }else{
1451 error= enc->coded_frame->error[j];
1452 scale= enc->width*enc->height*255.0*255.0;
1453 }
1454 if(j) scale/=4;
1455 error_sum += error;
1456 scale_sum += scale;
0ecca7a4 1457 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
890972be 1458 }
0ecca7a4 1459 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
890972be 1460 }
ec5517d5
FB
1461 vid = 1;
1462 }
1463 /* compute min output value */
43924f01 1464 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
5d9827bc 1465 if ((pts < ti1) && (pts > 0))
ec5517d5
FB
1466 ti1 = pts;
1467 }
1468 if (ti1 < 0.01)
1469 ti1 = 0.01;
115329f1 1470
f068206e
BE
1471 if (verbose || is_last_report) {
1472 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
115329f1
DB
1473
1474 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
475f4d8d 1475 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
ec5517d5 1476 (double)total_size / 1024, ti1, bitrate);
a6a92a9a 1477
0f649d66 1478 if (nb_frames_dup || nb_frames_drop)
bb270c08
DB
1479 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1480 nb_frames_dup, nb_frames_drop);
115329f1 1481
d8019eb5
AD
1482 if (verbose >= 0)
1483 fprintf(stderr, "%s \r", buf);
1484
ec5517d5
FB
1485 fflush(stderr);
1486 }
115329f1 1487
1008ceb3
MN
1488 if (is_last_report && verbose >= 0){
1489 int64_t raw= audio_size + video_size + extra_size;
f068206e 1490 fprintf(stderr, "\n");
1008ceb3
MN
1491 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1492 video_size/1024.0,
1493 audio_size/1024.0,
1494 extra_size/1024.0,
1495 100.0*(total_size - raw)/raw
1496 );
1497 }
ce7c56c2
J
1498}
1499
a700a6ae
FB
1500/* pkt = NULL means EOF (needed to flush decoder buffers) */
1501static int output_packet(AVInputStream *ist, int ist_index,
1502 AVOutputStream **ost_table, int nb_ostreams,
4b85a28f 1503 const AVPacket *pkt)
a700a6ae
FB
1504{
1505 AVFormatContext *os;
1506 AVOutputStream *ost;
ede0e475 1507 int ret, i;
8157483d 1508 int got_picture;
a700a6ae 1509 AVFrame picture;
a700a6ae 1510 void *buffer_to_free;
f038fe8b 1511 static unsigned int samples_size= 0;
cf7fc795 1512 AVSubtitle subtitle, *subtitle_to_free;
46847a33 1513#if CONFIG_AVFILTER
d21f58b5 1514 int frame_available;
46847a33
MN
1515#endif
1516
ede0e475 1517 AVPacket avpkt;
9d66ef18 1518 int bps = av_get_bits_per_sample_format(ist->st->codec->sample_fmt)>>3;
ede0e475 1519
ed923859
MN
1520 if(ist->next_pts == AV_NOPTS_VALUE)
1521 ist->next_pts= ist->pts;
1522
a700a6ae
FB
1523 if (pkt == NULL) {
1524 /* EOF handling */
031e14ea 1525 av_init_packet(&avpkt);
ede0e475
TB
1526 avpkt.data = NULL;
1527 avpkt.size = 0;
a700a6ae 1528 goto handle_eof;
031e14ea
TB
1529 } else {
1530 avpkt = *pkt;
a700a6ae
FB
1531 }
1532
b1b818fc
MN
1533 if(pkt->dts != AV_NOPTS_VALUE)
1534 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1535
bd6754aa 1536 //while we have more to decode or while the decoder did output something on EOF
ede0e475 1537 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
036c1382
MN
1538 uint8_t *data_buf, *decoded_data_buf;
1539 int data_size, decoded_data_size;
a700a6ae 1540 handle_eof:
b1b818fc 1541 ist->pts= ist->next_pts;
19d5da50 1542
d859bb1d 1543 if(avpkt.size && avpkt.size != pkt->size &&
6e2fdc3e 1544 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
40cb57a2 1545 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
3ff0daf0
MN
1546 ist->showed_multi_packet_warning=1;
1547 }
40cb57a2 1548
a700a6ae 1549 /* decode the packet if needed */
036c1382
MN
1550 decoded_data_buf = NULL; /* fail safe */
1551 decoded_data_size= 0;
1552 data_buf = avpkt.data;
1553 data_size = avpkt.size;
cf7fc795 1554 subtitle_to_free = NULL;
a700a6ae 1555 if (ist->decoding_needed) {
01f4895c 1556 switch(ist->st->codec->codec_type) {
72415b2a 1557 case AVMEDIA_TYPE_AUDIO:{
81b060fa
LM
1558 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1559 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1560 av_free(samples);
1561 samples= av_malloc(samples_size);
1562 }
036c1382 1563 decoded_data_size= samples_size;
a700a6ae
FB
1564 /* XXX: could avoid copy if PCM 16 bits with same
1565 endianness as CPU */
036c1382 1566 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
ede0e475 1567 &avpkt);
a700a6ae
FB
1568 if (ret < 0)
1569 goto fail_decode;
ede0e475
TB
1570 avpkt.data += ret;
1571 avpkt.size -= ret;
036c1382 1572 data_size = ret;
a700a6ae 1573 /* Some bug in mpeg audio decoder gives */
036c1382
MN
1574 /* decoded_data_size < 0, it seems they are overflows */
1575 if (decoded_data_size <= 0) {
a700a6ae
FB
1576 /* no audio frame */
1577 continue;
1578 }
036c1382
MN
1579 decoded_data_buf = (uint8_t *)samples;
1580 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
01f4895c 1581 (ist->st->codec->sample_rate * ist->st->codec->channels);
df84ac2e 1582 break;}
72415b2a 1583 case AVMEDIA_TYPE_VIDEO:
036c1382 1584 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
a700a6ae 1585 /* XXX: allocate picture correctly */
9740beff
MN
1586 avcodec_get_frame_defaults(&picture);
1587
ede0e475
TB
1588 ret = avcodec_decode_video2(ist->st->codec,
1589 &picture, &got_picture, &avpkt);
a700a6ae 1590 ist->st->quality= picture.quality;
115329f1 1591 if (ret < 0)
a700a6ae
FB
1592 goto fail_decode;
1593 if (!got_picture) {
1594 /* no picture yet */
1595 goto discard_packet;
1596 }
01f4895c 1597 if (ist->st->codec->time_base.num != 0) {
3797c74b 1598 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
115329f1 1599 ist->next_pts += ((int64_t)AV_TIME_BASE *
34583e1b 1600 ist->st->codec->time_base.num * ticks) /
01f4895c 1601 ist->st->codec->time_base.den;
a700a6ae 1602 }
ede0e475 1603 avpkt.size = 0;
a700a6ae 1604 break;
72415b2a 1605 case AVMEDIA_TYPE_SUBTITLE:
ede0e475 1606 ret = avcodec_decode_subtitle2(ist->st->codec,
28db3215 1607 &subtitle, &got_picture, &avpkt);
cf7fc795 1608 if (ret < 0)
a700a6ae 1609 goto fail_decode;
28db3215 1610 if (!got_picture) {
cf7fc795 1611 goto discard_packet;
a700a6ae 1612 }
cf7fc795 1613 subtitle_to_free = &subtitle;
ede0e475 1614 avpkt.size = 0;
cf7fc795
FB
1615 break;
1616 default:
1617 goto fail_decode;
1618 }
1619 } else {
bde0705c 1620 switch(ist->st->codec->codec_type) {
72415b2a 1621 case AVMEDIA_TYPE_AUDIO:
bde0705c 1622 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1c715415 1623 ist->st->codec->sample_rate;
bde0705c 1624 break;
72415b2a 1625 case AVMEDIA_TYPE_VIDEO:
bde0705c 1626 if (ist->st->codec->time_base.num != 0) {
3797c74b 1627 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
bde0705c 1628 ist->next_pts += ((int64_t)AV_TIME_BASE *
34583e1b 1629 ist->st->codec->time_base.num * ticks) /
bde0705c 1630 ist->st->codec->time_base.den;
2fef0bdf 1631 }
bde0705c 1632 break;
a700a6ae 1633 }
ede0e475
TB
1634 ret = avpkt.size;
1635 avpkt.size = 0;
bde0705c 1636 }
a700a6ae 1637
bde0705c 1638 buffer_to_free = NULL;
72415b2a 1639 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
bde0705c
LW
1640 pre_process_video_frame(ist, (AVPicture *)&picture,
1641 &buffer_to_free);
1642 }
a700a6ae 1643
46847a33
MN
1644#if CONFIG_AVFILTER
1645 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->input_video_filter) {
1646 // add it to be filtered
1647 av_vsrc_buffer_add_frame(ist->input_video_filter, &picture,
1648 ist->pts,
1649 ist->st->codec->sample_aspect_ratio);
1650 }
1651#endif
1652
bde0705c 1653 // preprocess audio (volume)
72415b2a 1654 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
bde0705c
LW
1655 if (audio_volume != 256) {
1656 short *volp;
1657 volp = samples;
036c1382 1658 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
bde0705c
LW
1659 int v = ((*volp) * audio_volume + 128) >> 8;
1660 if (v < -32768) v = -32768;
1661 if (v > 32767) v = 32767;
1662 *volp++ = v;
7e987c33
C
1663 }
1664 }
bde0705c 1665 }
7e987c33 1666
bde0705c 1667 /* frame rate emulation */
3a25ca18 1668 if (rate_emu) {
cb103a19 1669 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
bde0705c
LW
1670 int64_t now = av_gettime() - ist->start;
1671 if (pts > now)
1672 usleep(pts - now);
bde0705c 1673 }
46847a33 1674#if CONFIG_AVFILTER
d21f58b5 1675 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
46847a33
MN
1676 !ist->out_video_filter || avfilter_poll_frame(ist->out_video_filter->inputs[0]);
1677#endif
bde0705c
LW
1678 /* if output time reached then transcode raw format,
1679 encode packets and output them */
1680 if (start_time == 0 || ist->pts >= start_time)
46847a33 1681#if CONFIG_AVFILTER
d21f58b5 1682 while (frame_available) {
46847a33
MN
1683 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ist->out_video_filter)
1684 get_filtered_video_pic(ist->out_video_filter, &ist->picref, &picture, &ist->pts);
1685#endif
bde0705c
LW
1686 for(i=0;i<nb_ostreams;i++) {
1687 int frame_size;
a700a6ae 1688
bde0705c
LW
1689 ost = ost_table[i];
1690 if (ost->source_index == ist_index) {
1691 os = output_files[ost->file_index];
a700a6ae 1692
bde0705c
LW
1693 /* set the input output pts pairs */
1694 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1695
1696 if (ost->encoding_needed) {
036c1382 1697 assert(ist->decoding_needed);
bde0705c 1698 switch(ost->st->codec->codec_type) {
72415b2a 1699 case AVMEDIA_TYPE_AUDIO:
036c1382 1700 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
bde0705c 1701 break;
72415b2a 1702 case AVMEDIA_TYPE_VIDEO:
46847a33
MN
1703#if CONFIG_AVFILTER
1704 ost->st->codec->sample_aspect_ratio = ist->picref->pixel_aspect;
1705#endif
bde0705c 1706 do_video_out(os, ost, ist, &picture, &frame_size);
b60d1379 1707 if (vstats_filename && frame_size)
bde0705c
LW
1708 do_video_stats(os, ost, frame_size);
1709 break;
72415b2a 1710 case AVMEDIA_TYPE_SUBTITLE:
bde0705c
LW
1711 do_subtitle_out(os, ost, ist, &subtitle,
1712 pkt->pts);
1713 break;
1714 default:
0f4e8165 1715 abort();
bde0705c
LW
1716 }
1717 } else {
1718 AVFrame avframe; //FIXME/XXX remove this
1719 AVPacket opkt;
cdf38a17
MN
1720 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1721
bde0705c
LW
1722 av_init_packet(&opkt);
1723
cc947f04 1724 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
7cacf1e8
MN
1725 continue;
1726
bde0705c
LW
1727 /* no reencoding needed : output the packet directly */
1728 /* force the input stream PTS */
1729
1730 avcodec_get_frame_defaults(&avframe);
1731 ost->st->codec->coded_frame= &avframe;
cc947f04 1732 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
bde0705c 1733
72415b2a 1734 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
bde0705c 1735 audio_size += data_size;
72415b2a 1736 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
bde0705c
LW
1737 video_size += data_size;
1738 ost->sync_opts++;
1739 }
1740
1741 opkt.stream_index= ost->index;
1742 if(pkt->pts != AV_NOPTS_VALUE)
cdf38a17 1743 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
bde0705c
LW
1744 else
1745 opkt.pts= AV_NOPTS_VALUE;
1746
d2ce2f5e 1747 if (pkt->dts == AV_NOPTS_VALUE)
181782ae 1748 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
d2ce2f5e
BC
1749 else
1750 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
cdf38a17 1751 opkt.dts -= ost_tb_start_time;
c0dd7b7c 1752
a03d59b7 1753 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
bde0705c
LW
1754 opkt.flags= pkt->flags;
1755
1756 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
5bfe91e6
MN
1757 if( ost->st->codec->codec_id != CODEC_ID_H264
1758 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1759 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1760 ) {
cc947f04 1761 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
9f907d85 1762 opkt.destruct= av_destruct_packet;
d310d56a
BC
1763 } else {
1764 opkt.data = data_buf;
1765 opkt.size = data_size;
1766 }
bde0705c 1767
8b389f15 1768 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
bde0705c
LW
1769 ost->st->codec->frame_number++;
1770 ost->frame_number++;
1771 av_free_packet(&opkt);
a700a6ae
FB
1772 }
1773 }
bde0705c 1774 }
46847a33
MN
1775
1776#if CONFIG_AVFILTER
748db0fc
MN
1777 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1778 ist->out_video_filter && avfilter_poll_frame(ist->out_video_filter->inputs[0]);
46847a33
MN
1779 if(ist->picref)
1780 avfilter_unref_pic(ist->picref);
1781 }
1782#endif
bde0705c
LW
1783 av_free(buffer_to_free);
1784 /* XXX: allocate the subtitles in the codec ? */
1785 if (subtitle_to_free) {
1786 if (subtitle_to_free->rects != NULL) {
1787 for (i = 0; i < subtitle_to_free->num_rects; i++) {
25b4c651
MN
1788 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1789 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
db4fac64 1790 av_freep(&subtitle_to_free->rects[i]);
c6ec28b1 1791 }
bde0705c 1792 av_freep(&subtitle_to_free->rects);
cf7fc795 1793 }
bde0705c
LW
1794 subtitle_to_free->num_rects = 0;
1795 subtitle_to_free = NULL;
a700a6ae 1796 }
bde0705c 1797 }
a700a6ae 1798 discard_packet:
6f824977
MN
1799 if (pkt == NULL) {
1800 /* EOF handling */
115329f1 1801
6f824977
MN
1802 for(i=0;i<nb_ostreams;i++) {
1803 ost = ost_table[i];
1804 if (ost->source_index == ist_index) {
01f4895c 1805 AVCodecContext *enc= ost->st->codec;
6f824977 1806 os = output_files[ost->file_index];
115329f1 1807
72415b2a 1808 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
6f824977 1809 continue;
72415b2a 1810 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
6f824977
MN
1811 continue;
1812
1813 if (ost->encoding_needed) {
1814 for(;;) {
1815 AVPacket pkt;
cef7cc72 1816 int fifo_bytes;
6f824977
MN
1817 av_init_packet(&pkt);
1818 pkt.stream_index= ost->index;
115329f1 1819
01f4895c 1820 switch(ost->st->codec->codec_type) {
72415b2a 1821 case AVMEDIA_TYPE_AUDIO:
41dd680d 1822 fifo_bytes = av_fifo_size(ost->fifo);
cef7cc72
JR
1823 ret = 0;
1824 /* encode any samples remaining in fifo */
b10d7e4e 1825 if (fifo_bytes > 0) {
22c4c3e0 1826 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
cef7cc72 1827 int fs_tmp = enc->frame_size;
b10d7e4e 1828
79c85beb 1829 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
b10d7e4e
BC
1830 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1831 enc->frame_size = fifo_bytes / (osize * enc->channels);
1832 } else { /* pad */
1833 int frame_bytes = enc->frame_size*osize*enc->channels;
79c85beb 1834 if (allocated_audio_buf_size < frame_bytes)
639e4ec8 1835 ffmpeg_exit(1);
e91376d1 1836 memset(audio_buf+fifo_bytes, 0, frame_bytes - fifo_bytes);
b10d7e4e
BC
1837 }
1838
79c85beb 1839 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
7c8689ef
BC
1840 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1841 ost->st->time_base.num, enc->sample_rate);
cef7cc72 1842 enc->frame_size = fs_tmp;
9e0db7d5
MN
1843 }
1844 if(ret <= 0) {
cef7cc72
JR
1845 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1846 }
528271ff
MN
1847 if (ret < 0) {
1848 fprintf(stderr, "Audio encoding failed\n");
639e4ec8 1849 ffmpeg_exit(1);
528271ff 1850 }
6f824977 1851 audio_size += ret;
cc947f04 1852 pkt.flags |= AV_PKT_FLAG_KEY;
6f824977 1853 break;
72415b2a 1854 case AVMEDIA_TYPE_VIDEO:
8a6cb114 1855 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
528271ff
MN
1856 if (ret < 0) {
1857 fprintf(stderr, "Video encoding failed\n");
639e4ec8 1858 ffmpeg_exit(1);
528271ff 1859 }
6f824977
MN
1860 video_size += ret;
1861 if(enc->coded_frame && enc->coded_frame->key_frame)
cc947f04 1862 pkt.flags |= AV_PKT_FLAG_KEY;
6f824977
MN
1863 if (ost->logfile && enc->stats_out) {
1864 fprintf(ost->logfile, "%s", enc->stats_out);
1865 }
1866 break;
1867 default:
1868 ret=-1;
1869 }
115329f1 1870
6f824977
MN
1871 if(ret<=0)
1872 break;
27537106 1873 pkt.data= bit_buffer;
6f824977 1874 pkt.size= ret;
e7902f20 1875 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
c0df9d75 1876 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
748c2fca 1877 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
6f824977
MN
1878 }
1879 }
1880 }
1881 }
1882 }
115329f1 1883
a700a6ae
FB
1884 return 0;
1885 fail_decode:
1886 return -1;
1887}
1888
6d1ba1ac
LA
1889static void print_sdp(AVFormatContext **avc, int n)
1890{
1891 char sdp[2048];
1892
1893 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1894 printf("SDP:\n%s\n", sdp);
536cd1db 1895 fflush(stdout);
6d1ba1ac 1896}
a700a6ae 1897
7a39f142
AK
1898static int copy_chapters(int infile, int outfile)
1899{
1900 AVFormatContext *is = input_files[infile];
1901 AVFormatContext *os = output_files[outfile];
1902 int i;
1903
1904 for (i = 0; i < is->nb_chapters; i++) {
1905 AVChapter *in_ch = is->chapters[i], *out_ch;
1906 AVMetadataTag *t = NULL;
1907 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
1908 AV_TIME_BASE_Q, in_ch->time_base);
1909 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1910 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1911
1912
1913 if (in_ch->end < ts_off)
1914 continue;
1915 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1916 break;
1917
1918 out_ch = av_mallocz(sizeof(AVChapter));
1919 if (!out_ch)
1920 return AVERROR(ENOMEM);
1921
1922 out_ch->id = in_ch->id;
1923 out_ch->time_base = in_ch->time_base;
1924 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1925 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1926
1927 while ((t = av_metadata_get(in_ch->metadata, "", t, AV_METADATA_IGNORE_SUFFIX)))
1928 av_metadata_set2(&out_ch->metadata, t->key, t->value, 0);
1929
1930 os->nb_chapters++;
1931 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1932 if (!os->chapters)
1933 return AVERROR(ENOMEM);
1934 os->chapters[os->nb_chapters - 1] = out_ch;
1935 }
1936 return 0;
1937}
1938
85f07f22
FB
1939/*
1940 * The following code is the main loop of the file converter
1941 */
3aace1bc 1942static int transcode(AVFormatContext **output_files,
065a20cb
SS
1943 int nb_output_files,
1944 AVFormatContext **input_files,
1945 int nb_input_files,
1946 AVStreamMap *stream_maps, int nb_stream_maps)
85f07f22 1947{
002c95d7 1948 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
85f07f22
FB
1949 AVFormatContext *is, *os;
1950 AVCodecContext *codec, *icodec;
1951 AVOutputStream *ost, **ost_table = NULL;
1952 AVInputStream *ist, **ist_table = NULL;
bdc4796f 1953 AVInputFile *file_table;
002c95d7 1954 char error[1024];
cb09b2ed 1955 int key;
6d1ba1ac 1956 int want_sdp = 1;
545465ec
MN
1957 uint8_t no_packet[MAX_FILES]={0};
1958 int no_packet_count=0;
bdc4796f 1959
90901860 1960 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
bdc4796f
FB
1961 if (!file_table)
1962 goto fail;
115329f1 1963
85f07f22
FB
1964 /* input stream init */
1965 j = 0;
1966 for(i=0;i<nb_input_files;i++) {
1967 is = input_files[i];
1968 file_table[i].ist_index = j;
79fdaa4c 1969 file_table[i].nb_streams = is->nb_streams;
85f07f22
FB
1970 j += is->nb_streams;
1971 }
1972 nb_istreams = j;
1973
1974 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1975 if (!ist_table)
bdc4796f 1976 goto fail;
115329f1 1977
85f07f22
FB
1978 for(i=0;i<nb_istreams;i++) {
1979 ist = av_mallocz(sizeof(AVInputStream));
1980 if (!ist)
1981 goto fail;
1982 ist_table[i] = ist;
1983 }
1984 j = 0;
1985 for(i=0;i<nb_input_files;i++) {
1986 is = input_files[i];
1987 for(k=0;k<is->nb_streams;k++) {
1988 ist = ist_table[j++];
1989 ist->st = is->streams[k];
1990 ist->file_index = i;
1991 ist->index = k;
1992 ist->discard = 1; /* the stream is discarded by default
1993 (changed later) */
bdfcbbed 1994
3a25ca18 1995 if (rate_emu) {
bdfcbbed 1996 ist->start = av_gettime();
bdfcbbed 1997 }
85f07f22
FB
1998 }
1999 }
2000
2001 /* output stream init */
2002 nb_ostreams = 0;
2003 for(i=0;i<nb_output_files;i++) {
2004 os = output_files[i];
8a7bde1c 2005 if (!os->nb_streams) {
fc5d0db5
SS
2006 dump_format(output_files[i], i, output_files[i]->filename, 1);
2007 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
d62ccec8
JM
2008 ret = AVERROR(EINVAL);
2009 goto fail;
8a7bde1c 2010 }
85f07f22
FB
2011 nb_ostreams += os->nb_streams;
2012 }
2013 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
2014 fprintf(stderr, "Number of stream maps must match number of output streams\n");
d62ccec8
JM
2015 ret = AVERROR(EINVAL);
2016 goto fail;
85f07f22
FB
2017 }
2018
bd073980
BF
2019 /* Sanity check the mapping args -- do the input files & streams exist? */
2020 for(i=0;i<nb_stream_maps;i++) {
2021 int fi = stream_maps[i].file_index;
2022 int si = stream_maps[i].stream_index;
115329f1 2023
bd073980
BF
2024 if (fi < 0 || fi > nb_input_files - 1 ||
2025 si < 0 || si > file_table[fi].nb_streams - 1) {
2026 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
d62ccec8
JM
2027 ret = AVERROR(EINVAL);
2028 goto fail;
bd073980 2029 }
b4a3389e
WG
2030 fi = stream_maps[i].sync_file_index;
2031 si = stream_maps[i].sync_stream_index;
2032 if (fi < 0 || fi > nb_input_files - 1 ||
2033 si < 0 || si > file_table[fi].nb_streams - 1) {
2034 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
d62ccec8
JM
2035 ret = AVERROR(EINVAL);
2036 goto fail;
b4a3389e 2037 }
bd073980 2038 }
115329f1 2039
85f07f22
FB
2040 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
2041 if (!ost_table)
2042 goto fail;
2043 for(i=0;i<nb_ostreams;i++) {
2044 ost = av_mallocz(sizeof(AVOutputStream));
2045 if (!ost)
2046 goto fail;
2047 ost_table[i] = ost;
2048 }
115329f1 2049
85f07f22
FB
2050 n = 0;
2051 for(k=0;k<nb_output_files;k++) {
2052 os = output_files[k];
de427ff4 2053 for(i=0;i<os->nb_streams;i++,n++) {
85f07f22 2054 int found;
de427ff4 2055 ost = ost_table[n];
85f07f22
FB
2056 ost->file_index = k;
2057 ost->index = i;
2058 ost->st = os->streams[i];
2059 if (nb_stream_maps > 0) {
de427ff4
SS
2060 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
2061 stream_maps[n].stream_index;
115329f1 2062
bd073980 2063 /* Sanity check that the stream types match */
01f4895c 2064 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
150d5a25
SS
2065 int i= ost->file_index;
2066 dump_format(output_files[i], i, output_files[i]->filename, 1);
bd073980 2067 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
de427ff4 2068 stream_maps[n].file_index, stream_maps[n].stream_index,
bd073980 2069 ost->file_index, ost->index);
639e4ec8 2070 ffmpeg_exit(1);
bd073980 2071 }
115329f1 2072
85f07f22 2073 } else {
247e3954 2074 int best_nb_frames=-1;
a15bc651
NS
2075 /* get corresponding input stream index : we select the first one with the right type */
2076 found = 0;
85f07f22 2077 for(j=0;j<nb_istreams;j++) {
6d3d3b83 2078 int skip=0;
85f07f22 2079 ist = ist_table[j];
6d3d3b83
MN
2080 if(opt_programid){
2081 int pi,si;
2082 AVFormatContext *f= input_files[ ist->file_index ];
2083 skip=1;
2084 for(pi=0; pi<f->nb_programs; pi++){
2085 AVProgram *p= f->programs[pi];
2086 if(p->id == opt_programid)
2087 for(si=0; si<p->nb_stream_indexes; si++){
2088 if(f->streams[ p->stream_index[si] ] == ist->st)
2089 skip=0;
2090 }
2091 }
2092 }
2093 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
a15bc651 2094 ist->st->codec->codec_type == ost->st->codec->codec_type) {
247e3954
MN
2095 if(best_nb_frames < ist->st->codec_info_nb_frames){
2096 best_nb_frames= ist->st->codec_info_nb_frames;
2097 ost->source_index = j;
2098 found = 1;
2099 }
85f07f22
FB
2100 }
2101 }
a15bc651
NS
2102
2103 if (!found) {
2104 if(! opt_programid) {
2105 /* try again and reuse existing stream */
2106 for(j=0;j<nb_istreams;j++) {
2107 ist = ist_table[j];
6d3d3b83
MN
2108 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2109 && ist->st->discard != AVDISCARD_ALL) {
a15bc651
NS
2110 ost->source_index = j;
2111 found = 1;
2112 }
2113 }
50e143c4 2114 }
85f07f22 2115 if (!found) {
462cca10
SS
2116 int i= ost->file_index;
2117 dump_format(output_files[i], i, output_files[i]->filename, 1);
85f07f22
FB
2118 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2119 ost->file_index, ost->index);
639e4ec8 2120 ffmpeg_exit(1);
85f07f22
FB
2121 }
2122 }
2123 }
2124 ist = ist_table[ost->source_index];
2125 ist->discard = 0;
b4a3389e 2126 ost->sync_ist = (nb_stream_maps > 0) ?
de427ff4
SS
2127 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
2128 stream_maps[n].sync_stream_index] : ist;
85f07f22
FB
2129 }
2130 }
2131
85f07f22
FB
2132 /* for each output stream, we compute the right encoding parameters */
2133 for(i=0;i<nb_ostreams;i++) {
46e6fb4c 2134 AVMetadataTag *t = NULL;
85f07f22 2135 ost = ost_table[i];
365515ac 2136 os = output_files[ost->file_index];
85f07f22
FB
2137 ist = ist_table[ost->source_index];
2138
01f4895c
MN
2139 codec = ost->st->codec;
2140 icodec = ist->st->codec;
85f07f22 2141
c71591a5 2142 while ((t = av_metadata_get(ist->st->metadata, "", t, AV_METADATA_IGNORE_SUFFIX))) {
46e6fb4c 2143 av_metadata_set2(&ost->st->metadata, t->key, t->value, AV_METADATA_DONT_OVERWRITE);
c71591a5 2144 }
8e0d882b 2145
90c2295b 2146 ost->st->disposition = ist->st->disposition;
a39b76ea 2147 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
de961801 2148 codec->chroma_sample_location = icodec->chroma_sample_location;
90c2295b 2149
1629626f 2150 if (ost->st->stream_copy) {
b659c8b4
LA
2151 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2152
2153 if (extra_size > INT_MAX)
2154 goto fail;
2155
1629626f
FB
2156 /* if stream_copy is selected, no need to decode or encode */
2157 codec->codec_id = icodec->codec_id;
2158 codec->codec_type = icodec->codec_type;
365515ac
MN
2159
2160 if(!codec->codec_tag){
2161 if( !os->oformat->codec_tag
37ce3d6b 2162 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
365515ac
MN
2163 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2164 codec->codec_tag = icodec->codec_tag;
2165 }
2166
1629626f 2167 codec->bit_rate = icodec->bit_rate;
b659c8b4
LA
2168 codec->extradata= av_mallocz(extra_size);
2169 if (!codec->extradata)
2170 goto fail;
2171 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
dffbfd06 2172 codec->extradata_size= icodec->extradata_size;
3797c74b 2173 if(av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000){
d29de719 2174 codec->time_base = icodec->time_base;
3797c74b 2175 codec->time_base.num *= icodec->ticks_per_frame;
8abcbf2d
BC
2176 av_reduce(&codec->time_base.num, &codec->time_base.den,
2177 codec->time_base.num, codec->time_base.den, INT_MAX);
3797c74b 2178 }else
d29de719 2179 codec->time_base = ist->st->time_base;
1629626f 2180 switch(codec->codec_type) {
72415b2a 2181 case AVMEDIA_TYPE_AUDIO:
d08e3e91
RP
2182 if(audio_volume != 256) {
2183 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
639e4ec8 2184 ffmpeg_exit(1);
d08e3e91 2185 }
13367a46 2186 codec->channel_layout = icodec->channel_layout;
1629626f
FB
2187 codec->sample_rate = icodec->sample_rate;
2188 codec->channels = icodec->channels;
0a3b0447 2189 codec->frame_size = icodec->frame_size;
c1344911 2190 codec->block_align= icodec->block_align;
4efd6f58
MN
2191 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2192 codec->block_align= 0;
bcbd328e
MN
2193 if(codec->codec_id == CODEC_ID_AC3)
2194 codec->block_align= 0;
1629626f 2195 break;
72415b2a 2196 case AVMEDIA_TYPE_VIDEO:
9df3437f 2197 codec->pix_fmt = icodec->pix_fmt;
1629626f
FB
2198 codec->width = icodec->width;
2199 codec->height = icodec->height;
ff8cc24b 2200 codec->has_b_frames = icodec->has_b_frames;
1629626f 2201 break;
72415b2a 2202 case AVMEDIA_TYPE_SUBTITLE:
d43b26ea
DC
2203 codec->width = icodec->width;
2204 codec->height = icodec->height;
cf7fc795 2205 break;
1629626f 2206 default:
0f4e8165 2207 abort();
1629626f
FB
2208 }
2209 } else {
2210 switch(codec->codec_type) {
72415b2a 2211 case AVMEDIA_TYPE_AUDIO:
41dd680d
MN
2212 ost->fifo= av_fifo_alloc(1024);
2213 if(!ost->fifo)
85f07f22 2214 goto fail;
a79db0f7 2215 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
2886f311
2216 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2217 icodec->request_channels = codec->channels;
85f07f22
FB
2218 ist->decoding_needed = 1;
2219 ost->encoding_needed = 1;
1629626f 2220 break;
72415b2a 2221 case AVMEDIA_TYPE_VIDEO:
761c8c92 2222 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
562f22a6 2223 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
639e4ec8 2224 ffmpeg_exit(1);
761c8c92 2225 }
c3f11d19 2226 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
c3f11d19 2227 ost->video_resample = ((codec->width != icodec->width -
0c22311b 2228 (frame_leftBand + frame_rightBand)) ||
c3f11d19 2229 (codec->height != icodec->height -
0c22311b 2230 (frame_topBand + frame_bottomBand)) ||
18a54b04 2231 (codec->pix_fmt != icodec->pix_fmt));
c3f11d19 2232 if (ost->video_crop) {
352666c1
EB
2233 ost->topBand = ost->original_topBand = frame_topBand;
2234 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
2235 ost->leftBand = ost->original_leftBand = frame_leftBand;
2236 ost->rightBand = ost->original_rightBand = frame_rightBand;
c3f11d19 2237 }
c3f11d19 2238 if (ost->video_resample) {
2de28abb 2239 avcodec_get_frame_defaults(&ost->pict_tmp);
9d58e0a9
BC
2240 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2241 codec->width, codec->height)) {
eddc482d 2242 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
639e4ec8 2243 ffmpeg_exit(1);
eddc482d 2244 }
9de8e6ac 2245 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
18a54b04
LA
2246 ost->img_resample_ctx = sws_getContext(
2247 icodec->width - (frame_leftBand + frame_rightBand),
2248 icodec->height - (frame_topBand + frame_bottomBand),
2249 icodec->pix_fmt,
0c22311b
MN
2250 codec->width,
2251 codec->height,
18a54b04
LA
2252 codec->pix_fmt,
2253 sws_flags, NULL, NULL, NULL);
0b50ac8a
LA
2254 if (ost->img_resample_ctx == NULL) {
2255 fprintf(stderr, "Cannot get resampling context\n");
639e4ec8 2256 ffmpeg_exit(1);
0b50ac8a 2257 }
352666c1 2258
46847a33 2259#if !CONFIG_AVFILTER
352666c1
EB
2260 ost->original_height = icodec->height;
2261 ost->original_width = icodec->width;
46847a33 2262#endif
a39b76ea 2263 codec->bits_per_raw_sample= 0;
85f07f22 2264 }
b83ccbff
MN
2265 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
2266 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
2267 ost->resample_pix_fmt= icodec->pix_fmt;
85f07f22
FB
2268 ost->encoding_needed = 1;
2269 ist->decoding_needed = 1;
46847a33
MN
2270
2271#if CONFIG_AVFILTER
2272 if (configure_filters(ist, ost)) {
2273 fprintf(stderr, "Error opening filters!\n");
2274 exit(1);
2275 }
2276#endif
1629626f 2277 break;
72415b2a 2278 case AVMEDIA_TYPE_SUBTITLE:
cf7fc795
FB
2279 ost->encoding_needed = 1;
2280 ist->decoding_needed = 1;
2281 break;
1629626f 2282 default:
0f4e8165 2283 abort();
cf7fc795 2284 break;
85f07f22 2285 }
1629626f 2286 /* two pass mode */
115329f1 2287 if (ost->encoding_needed &&
1629626f
FB
2288 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2289 char logfilename[1024];
2290 FILE *f;
115329f1
DB
2291
2292 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
22730e87
SS
2293 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2294 i);
1629626f 2295 if (codec->flags & CODEC_FLAG_PASS1) {
c56e9e05 2296 f = fopen(logfilename, "wb");
1629626f 2297 if (!f) {
42d1d06e 2298 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
639e4ec8 2299 ffmpeg_exit(1);
1629626f
FB
2300 }
2301 ost->logfile = f;
2302 } else {
458b062d
SS
2303 char *logbuffer;
2304 size_t logbuffer_size;
2305 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2306 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
639e4ec8 2307 ffmpeg_exit(1);
1629626f 2308 }
1629626f 2309 codec->stats_in = logbuffer;
5abdb4b1 2310 }
5abdb4b1
FB
2311 }
2312 }
72415b2a 2313 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
8a6cb114 2314 int size= codec->width * codec->height;
c027e91a 2315 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
8a6cb114 2316 }
85f07f22
FB
2317 }
2318
8a6cb114
MN
2319 if (!bit_buffer)
2320 bit_buffer = av_malloc(bit_buffer_size);
002c95d7 2321 if (!bit_buffer) {
50f3fabc
MR
2322 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2323 bit_buffer_size);
002c95d7 2324 ret = AVERROR(ENOMEM);
8a6cb114 2325 goto fail;
1629626f
FB
2326 }
2327
85f07f22
FB
2328 /* open each encoder */
2329 for(i=0;i<nb_ostreams;i++) {
2330 ost = ost_table[i];
2331 if (ost->encoding_needed) {
6488cf9b
AJ
2332 AVCodec *codec = output_codecs[i];
2333 if (!codec)
fd2b356a 2334 codec = avcodec_find_encoder(ost->st->codec->codec_id);
85f07f22 2335 if (!codec) {
f356fc57
BC
2336 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2337 ost->st->codec->codec_id, ost->file_index, ost->index);
002c95d7
BC
2338 ret = AVERROR(EINVAL);
2339 goto dump_format;
85f07f22 2340 }
01f4895c 2341 if (avcodec_open(ost->st->codec, codec) < 0) {
f356fc57 2342 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
85f07f22 2343 ost->file_index, ost->index);
002c95d7
BC
2344 ret = AVERROR(EINVAL);
2345 goto dump_format;
85f07f22 2346 }
01f4895c 2347 extra_size += ost->st->codec->extradata_size;
85f07f22
FB
2348 }
2349 }
2350
2351 /* open each decoder */
2352 for(i=0;i<nb_istreams;i++) {
2353 ist = ist_table[i];
2354 if (ist->decoding_needed) {
6488cf9b
AJ
2355 AVCodec *codec = input_codecs[i];
2356 if (!codec)
fd2b356a 2357 codec = avcodec_find_decoder(ist->st->codec->codec_id);
85f07f22 2358 if (!codec) {
f356fc57 2359 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
01f4895c 2360 ist->st->codec->codec_id, ist->file_index, ist->index);
002c95d7
BC
2361 ret = AVERROR(EINVAL);
2362 goto dump_format;
85f07f22 2363 }
01f4895c 2364 if (avcodec_open(ist->st->codec, codec) < 0) {
f356fc57 2365 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
85f07f22 2366 ist->file_index, ist->index);
002c95d7
BC
2367 ret = AVERROR(EINVAL);
2368 goto dump_format;
85f07f22 2369 }
72415b2a 2370 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
01f4895c 2371 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
85f07f22
FB
2372 }
2373 }
2374
2375 /* init pts */
2376 for(i=0;i<nb_istreams;i++) {
b8c93c48 2377 AVStream *st;
85f07f22 2378 ist = ist_table[i];
b8c93c48
MN
2379 st= ist->st;
2380 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
48291040 2381 ist->next_pts = AV_NOPTS_VALUE;
ff4905a5 2382 ist->is_start = 1;
85f07f22 2383 }
c5e1e982 2384
0a38bafd
PB
2385 /* set meta data information from input file if required */
2386 for (i=0;i<nb_meta_data_maps;i++) {
2387 AVFormatContext *out_file;
2388 AVFormatContext *in_file;
a5926d85 2389 AVMetadataTag *mtag;
0a38bafd
PB
2390
2391 int out_file_index = meta_data_maps[i].out_file;
2392 int in_file_index = meta_data_maps[i].in_file;
9d58e0a9 2393 if (out_file_index < 0 || out_file_index >= nb_output_files) {
002c95d7
BC
2394 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2395 out_file_index, out_file_index, in_file_index);
8fa36ae0 2396 ret = AVERROR(EINVAL);
002c95d7 2397 goto dump_format;
0a38bafd 2398 }
9d58e0a9 2399 if (in_file_index < 0 || in_file_index >= nb_input_files) {
002c95d7
BC
2400 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2401 in_file_index, out_file_index, in_file_index);
8fa36ae0 2402 ret = AVERROR(EINVAL);
002c95d7 2403 goto dump_format;
115329f1
DB
2404 }
2405
0a38bafd
PB
2406 out_file = output_files[out_file_index];
2407 in_file = input_files[in_file_index];
2408
a5926d85
AJ
2409
2410 mtag=NULL;
2411 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
1a6498d7 2412 av_metadata_set2(&out_file->metadata, mtag->key, mtag->value, AV_METADATA_DONT_OVERWRITE);
a5926d85
AJ
2413 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2414 in_file->iformat->metadata_conv);
0a38bafd 2415 }
115329f1 2416
7a39f142
AK
2417 /* copy chapters from the first input file that has them*/
2418 for (i = 0; i < nb_input_files; i++) {
2419 if (!input_files[i]->nb_chapters)
2420 continue;
2421
2422 for (j = 0; j < nb_output_files; j++)
2423 if ((ret = copy_chapters(i, j)) < 0)
2424 goto dump_format;
2425 }
2426
85f07f22
FB
2427 /* open files and write file headers */
2428 for(i=0;i<nb_output_files;i++) {
2429 os = output_files[i];
79fdaa4c 2430 if (av_write_header(os) < 0) {
002c95d7 2431 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
8fa36ae0 2432 ret = AVERROR(EINVAL);
002c95d7 2433 goto dump_format;
a38469e1 2434 }
6d1ba1ac
LA
2435 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2436 want_sdp = 0;
2437 }
2438 }
002c95d7
BC
2439
2440 dump_format:
2441 /* dump the file output parameters - cannot be done before in case
2442 of stream copy */
2443 for(i=0;i<nb_output_files;i++) {
2444 dump_format(output_files[i], i, output_files[i]->filename, 1);
2445 }
2446
2447 /* dump the stream mapping */
2448 if (verbose >= 0) {
2449 fprintf(stderr, "Stream mapping:\n");
2450 for(i=0;i<nb_ostreams;i++) {
2451 ost = ost_table[i];
2452 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2453 ist_table[ost->source_index]->file_index,
2454 ist_table[ost->source_index]->index,
2455 ost->file_index,
2456 ost->index);
2457 if (ost->sync_ist != ist_table[ost->source_index])
2458 fprintf(stderr, " [sync #%d.%d]",
2459 ost->sync_ist->file_index,
2460 ost->sync_ist->index);
2461 fprintf(stderr, "\n");
2462 }
2463 }
2464
2465 if (ret) {
2466 fprintf(stderr, "%s\n", error);
2467 goto fail;
2468 }
2469
6d1ba1ac
LA
2470 if (want_sdp) {
2471 print_sdp(output_files, nb_output_files);
85f07f22
FB
2472 }
2473
9d58e0a9 2474 if (!using_stdin && verbose >= 0) {
d9a916e2 2475 fprintf(stderr, "Press [q] to stop encoding\n");
b51469a0
LS
2476 url_set_interrupt_cb(decode_interrupt_cb);
2477 }
a38469e1
FB
2478 term_init();
2479
7fc98937 2480 timer_start = av_gettime();
51bd4565 2481
d9a916e2 2482 for(; received_sigterm == 0;) {
85f07f22
FB
2483 int file_index, ist_index;
2484 AVPacket pkt;
a9aeda81
PB
2485 double ipts_min;
2486 double opts_min;
23ffe323 2487
85f07f22 2488 redo:
a9aeda81
PB
2489 ipts_min= 1e100;
2490 opts_min= 1e100;
a38469e1 2491 /* if 'q' pressed, exits */
d9a916e2 2492 if (!using_stdin) {
b51469a0
LS
2493 if (q_pressed)
2494 break;
cb09b2ed
PG
2495 /* read_key() returns 0 on EOF */
2496 key = read_key();
2497 if (key == 'q')
2498 break;
2499 }
a38469e1 2500
ec5517d5
FB
2501 /* select the stream that we must read now by looking at the
2502 smallest output pts */
85f07f22 2503 file_index = -1;
ec5517d5 2504 for(i=0;i<nb_ostreams;i++) {
23ffe323 2505 double ipts, opts;
ec5517d5
FB
2506 ost = ost_table[i];
2507 os = output_files[ost->file_index];
2508 ist = ist_table[ost->source_index];
55a7e946 2509 if(ist->is_past_recording_time || no_packet[ist->file_index])
545465ec 2510 continue;
c0df9d75 2511 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
23ffe323
MN
2512 ipts = (double)ist->pts;
2513 if (!file_table[ist->file_index].eof_reached){
2514 if(ipts < ipts_min) {
2515 ipts_min = ipts;
2516 if(input_sync ) file_index = ist->file_index;
2517 }
2518 if(opts < opts_min) {
2519 opts_min = opts;
2520 if(!input_sync) file_index = ist->file_index;
2521 }
85f07f22 2522 }
01f4895c 2523 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
7ca60994
MN
2524 file_index= -1;
2525 break;
2526 }
85f07f22
FB
2527 }
2528 /* if none, if is finished */
51bd4565 2529 if (file_index < 0) {
545465ec
MN
2530 if(no_packet_count){
2531 no_packet_count=0;
2532 memset(no_packet, 0, sizeof(no_packet));
d61f30a7 2533 usleep(10000);
545465ec
MN
2534 continue;
2535 }
85f07f22 2536 break;
ec5517d5
FB
2537 }
2538
b6e16b86 2539 /* finish if limit size exhausted */
899681cd 2540 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
b6e16b86
C
2541 break;
2542
254abc2e 2543 /* read a frame from it and output it in the fifo */
85f07f22 2544 is = input_files[file_index];
ad51c68c 2545 ret= av_read_frame(is, &pkt);
b9edbe99 2546 if(ret == AVERROR(EAGAIN)){
545465ec
MN
2547 no_packet[file_index]=1;
2548 no_packet_count++;
ad51c68c 2549 continue;
545465ec 2550 }
ad51c68c 2551 if (ret < 0) {
85f07f22 2552 file_table[file_index].eof_reached = 1;
d24ce947
AB
2553 if (opt_shortest)
2554 break;
2555 else
2556 continue;
85f07f22 2557 }
303e50e6 2558
545465ec
MN
2559 no_packet_count=0;
2560 memset(no_packet, 0, sizeof(no_packet));
2561
254abc2e 2562 if (do_pkt_dump) {
750f0e1f 2563 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
817b23ff 2564 }
79fdaa4c
FB
2565 /* the following test is needed in case new streams appear
2566 dynamically in stream : we ignore them */
2567 if (pkt.stream_index >= file_table[file_index].nb_streams)
bf5af568 2568 goto discard_packet;
85f07f22
FB
2569 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2570 ist = ist_table[ist_index];
bf5af568
FB
2571 if (ist->discard)
2572 goto discard_packet;
85f07f22 2573
fec401f7
MN
2574 if (pkt.dts != AV_NOPTS_VALUE)
2575 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2576 if (pkt.pts != AV_NOPTS_VALUE)
2577 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2578
8833f375
MN
2579 if(input_files_ts_scale[file_index][pkt.stream_index]){
2580 if(pkt.pts != AV_NOPTS_VALUE)
2581 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2582 if(pkt.dts != AV_NOPTS_VALUE)
2583 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2584 }
2585
949b1a13 2586// 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);
965530e1
MN
2587 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2588 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
81d6d520
MN
2589 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2590 int64_t delta= pkt_dts - ist->next_pts;
2591 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
72bd8100
MN
2592 input_files_ts_offset[ist->file_index]-= delta;
2593 if (verbose > 2)
4733abcb 2594 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
fec401f7
MN
2595 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2596 if(pkt.pts != AV_NOPTS_VALUE)
2597 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
72bd8100
MN
2598 }
2599 }
2600
f8ccf720 2601 /* finish if recording time exhausted */
6abda15f
FC
2602 if (recording_time != INT64_MAX &&
2603 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
55a7e946 2604 ist->is_past_recording_time = 1;
f8ccf720 2605 goto discard_packet;
55a7e946 2606 }
f8ccf720 2607
8831db5c 2608 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
a700a6ae 2609 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
d8019eb5
AD
2610
2611 if (verbose >= 0)
2612 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2613 ist->file_index, ist->index);
f2abc559 2614 if (exit_on_error)
639e4ec8 2615 ffmpeg_exit(1);
a700a6ae
FB
2616 av_free_packet(&pkt);
2617 goto redo;
fe08925f 2618 }
cf7fc795 2619
bf5af568 2620 discard_packet:
85f07f22 2621 av_free_packet(&pkt);
115329f1 2622
ec5517d5
FB
2623 /* dump report by using the output first video and audio streams */
2624 print_report(output_files, ost_table, nb_ostreams, 0);
85f07f22 2625 }
a700a6ae
FB
2626
2627 /* at the end of stream, we must flush the decoder buffers */
2628 for(i=0;i<nb_istreams;i++) {
2629 ist = ist_table[i];
2630 if (ist->decoding_needed) {
2631 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2632 }
2633 }
2634
a38469e1 2635 term_exit();
85f07f22 2636
c4e37247
MN
2637 /* write the trailer if needed and close file */
2638 for(i=0;i<nb_output_files;i++) {
2639 os = output_files[i];
2640 av_write_trailer(os);
2641 }
2642
37f5cd5a
MN
2643 /* dump report by using the first video and audio streams */
2644 print_report(output_files, ost_table, nb_ostreams, 1);
2645
85f07f22
FB
2646 /* close each encoder */
2647 for(i=0;i<nb_ostreams;i++) {
2648 ost = ost_table[i];
2649 if (ost->encoding_needed) {
01f4895c
MN
2650 av_freep(&ost->st->codec->stats_in);
2651 avcodec_close(ost->st->codec);
85f07f22
FB
2652 }
2653 }
115329f1 2654
85f07f22
FB
2655 /* close each decoder */
2656 for(i=0;i<nb_istreams;i++) {
2657 ist = ist_table[i];
2658 if (ist->decoding_needed) {
01f4895c 2659 avcodec_close(ist->st->codec);
85f07f22
FB
2660 }
2661 }
46847a33 2662#if CONFIG_AVFILTER
aa1249b8
BC
2663 if (graph) {
2664 avfilter_graph_destroy(graph);
2665 av_freep(&graph);
46847a33
MN
2666 }
2667#endif
85f07f22 2668
85f07f22 2669 /* finished ! */
00b7fbdc 2670 ret = 0;
115329f1 2671
002c95d7 2672 fail:
83b07470 2673 av_freep(&bit_buffer);
0f1578af 2674 av_free(file_table);
bdc4796f 2675
85f07f22
FB
2676 if (ist_table) {
2677 for(i=0;i<nb_istreams;i++) {
2678 ist = ist_table[i];
0f1578af 2679 av_free(ist);
85f07f22 2680 }
0f1578af 2681 av_free(ist_table);
85f07f22
FB
2682 }
2683 if (ost_table) {
2684 for(i=0;i<nb_ostreams;i++) {
2685 ost = ost_table[i];
2686 if (ost) {
b659c8b4
LA
2687 if (ost->st->stream_copy)
2688 av_freep(&ost->st->codec->extradata);
5abdb4b1
FB
2689 if (ost->logfile) {
2690 fclose(ost->logfile);
2691 ost->logfile = NULL;
2692 }
41dd680d 2693 av_fifo_free(ost->fifo); /* works even if fifo is not
f5a478f6 2694 initialized but set to zero */
0f1578af 2695 av_free(ost->pict_tmp.data[0]);
85f07f22 2696 if (ost->video_resample)
18a54b04 2697 sws_freeContext(ost->img_resample_ctx);
8e4270c5 2698 if (ost->resample)
85f07f22 2699 audio_resample_close(ost->resample);
a79db0f7
PR
2700 if (ost->reformat_ctx)
2701 av_audio_convert_free(ost->reformat_ctx);
0f1578af 2702 av_free(ost);
85f07f22
FB
2703 }
2704 }
0f1578af 2705 av_free(ost_table);
85f07f22
FB
2706 }
2707 return ret;
85f07f22
FB
2708}
2709
b29f97d1 2710static void opt_format(const char *arg)
85f07f22 2711{
817b23ff
FB
2712 /* compatibility stuff for pgmyuv */
2713 if (!strcmp(arg, "pgmyuv")) {
5b6d5596 2714 pgmyuv_compatibility_hack=1;
9286699a 2715// opt_image_format(arg);
5b6d5596 2716 arg = "image2";
17ceb4f9 2717 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
817b23ff
FB
2718 }
2719
a5abfd8f 2720 last_asked_format = arg;
85f07f22
FB
2721}
2722
464a631c 2723static void opt_video_rc_override_string(const char *arg)
ac2830ec
MN
2724{
2725 video_rc_override_string = arg;
2726}
2727
c48da33c 2728static int opt_me_threshold(const char *opt, const char *arg)
f4f3223f 2729{
c48da33c
SS
2730 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2731 return 0;
f4f3223f
MN
2732}
2733
c48da33c 2734static int opt_verbose(const char *opt, const char *arg)
f068206e 2735{
46eab093 2736 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
c48da33c 2737 return 0;
f068206e
BE
2738}
2739
2fc3866d 2740static int opt_frame_rate(const char *opt, const char *arg)
85f07f22 2741{
126b638e 2742 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2fc3866d 2743 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
639e4ec8 2744 ffmpeg_exit(1);
445f1b83 2745 }
2fc3866d 2746 return 0;
85f07f22
FB
2747}
2748
ebde2a2c 2749static int opt_bitrate(const char *opt, const char *arg)
1b1656c6 2750{
72415b2a 2751 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
1b1656c6
RP
2752
2753 opt_default(opt, arg);
2754
636f1c4c 2755 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
1b1656c6 2756 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
ebde2a2c
MH
2757
2758 return 0;
1b1656c6
RP
2759}
2760
b29f97d1 2761static void opt_frame_crop_top(const char *arg)
ab6d194a 2762{
115329f1 2763 frame_topBand = atoi(arg);
ab6d194a
MN
2764 if (frame_topBand < 0) {
2765 fprintf(stderr, "Incorrect top crop size\n");
639e4ec8 2766 ffmpeg_exit(1);
ab6d194a 2767 }
ab6d194a 2768 if ((frame_topBand) >= frame_height){
bb270c08 2769 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
639e4ec8 2770 ffmpeg_exit(1);
ab6d194a 2771 }
54a13282 2772 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
ab6d194a
MN
2773 frame_height -= frame_topBand;
2774}
2775
b29f97d1 2776static void opt_frame_crop_bottom(const char *arg)
ab6d194a
MN
2777{
2778 frame_bottomBand = atoi(arg);
2779 if (frame_bottomBand < 0) {
2780 fprintf(stderr, "Incorrect bottom crop size\n");
639e4ec8 2781 ffmpeg_exit(1);
ab6d194a 2782 }
ab6d194a 2783 if ((frame_bottomBand) >= frame_height){
bb270c08 2784 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
639e4ec8 2785 ffmpeg_exit(1);
ab6d194a 2786 }
54a13282 2787 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
ab6d194a
MN
2788 frame_height -= frame_bottomBand;
2789}
2790
b29f97d1 2791static void opt_frame_crop_left(const char *arg)
ab6d194a
MN
2792{
2793 frame_leftBand = atoi(arg);
2794 if (frame_leftBand < 0) {
2795 fprintf(stderr, "Incorrect left crop size\n");
639e4ec8 2796 ffmpeg_exit(1);
ab6d194a 2797 }
ab6d194a 2798 if ((frame_leftBand) >= frame_width){
bb270c08 2799 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
639e4ec8 2800 ffmpeg_exit(1);
ab6d194a 2801 }
54a13282 2802 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
ab6d194a
MN
2803 frame_width -= frame_leftBand;
2804}
2805
b29f97d1 2806static void opt_frame_crop_right(const char *arg)
ab6d194a
MN
2807{
2808 frame_rightBand = atoi(arg);
2809 if (frame_rightBand < 0) {
2810 fprintf(stderr, "Incorrect right crop size\n");
639e4ec8 2811 ffmpeg_exit(1);
ab6d194a 2812 }
ab6d194a 2813 if ((frame_rightBand) >= frame_width){
bb270c08 2814 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
639e4ec8 2815 ffmpeg_exit(1);
ab6d194a 2816 }
54a13282 2817 fprintf(stderr, "-crop* is deprecated in favor of the crop avfilter\n");
ab6d194a
MN
2818 frame_width -= frame_rightBand;
2819}
2820
b29f97d1 2821static void opt_frame_size(const char *arg)
85f07f22 2822{
126b638e 2823 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
85f07f22 2824 fprintf(stderr, "Incorrect frame size\n");
639e4ec8 2825 ffmpeg_exit(1);
85f07f22 2826 }
85f07f22
FB
2827}
2828
9f434b65
SS
2829static int opt_pad(const char *opt, const char *arg) {
2830 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2831 return -1;
1ff93ffc
TK
2832}
2833
63167088
RS
2834static void opt_frame_pix_fmt(const char *arg)
2835{
90da2b50 2836 if (strcmp(arg, "list")) {
718c7b18 2837 frame_pix_fmt = av_get_pix_fmt(arg);
90da2b50
SS
2838 if (frame_pix_fmt == PIX_FMT_NONE) {
2839 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
639e4ec8 2840 ffmpeg_exit(1);
90da2b50
SS
2841 }
2842 } else {
cedac882 2843 show_pix_fmts();
639e4ec8 2844 ffmpeg_exit(0);
c3b95b1d 2845 }
63167088
RS
2846}
2847
5fe03e38
RS
2848static void opt_frame_aspect_ratio(const char *arg)
2849{
2850 int x = 0, y = 0;
2851 double ar = 0;
2852 const char *p;
815f98cc 2853 char *end;
115329f1 2854
5fe03e38
RS
2855 p = strchr(arg, ':');
2856 if (p) {
815f98cc
AJ
2857 x = strtol(arg, &end, 10);
2858 if (end == p)
2859 y = strtol(end+1, &end, 10);
bb270c08
DB
2860 if (x > 0 && y > 0)
2861 ar = (double)x / (double)y;
5fe03e38 2862 } else
815f98cc 2863 ar = strtod(arg, NULL);
5fe03e38
RS
2864
2865 if (!ar) {
2866 fprintf(stderr, "Incorrect aspect ratio specification.\n");
639e4ec8 2867 ffmpeg_exit(1);
5fe03e38
RS
2868 }
2869 frame_aspect_ratio = ar;
2870}
2871
a5926d85
AJ
2872static int opt_metadata(const char *opt, const char *arg)
2873{
2874 char *mid= strchr(arg, '=');
2875
2876 if(!mid){
2877 fprintf(stderr, "Missing =\n");
639e4ec8 2878 ffmpeg_exit(1);
a5926d85
AJ
2879 }
2880 *mid++= 0;
2881
2882 metadata_count++;
2883 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2884 metadata[metadata_count-1].key = av_strdup(arg);
2885 metadata[metadata_count-1].value= av_strdup(mid);
2886
2887 return 0;
2888}
2889
b29f97d1 2890static void opt_qscale(const char *arg)
85f07f22 2891{
158c7f05 2892 video_qscale = atof(arg);
4e64bead 2893 if (video_qscale <= 0 ||
158c7f05 2894 video_qscale > 255) {
4e64bead 2895 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
639e4ec8 2896 ffmpeg_exit(1);
85f07f22
FB
2897 }
2898}
2899
bb198e19
MN
2900static void opt_top_field_first(const char *arg)
2901{
2902 top_field_first= atoi(arg);
2903}
2904
d18811bb 2905static int opt_thread_count(const char *opt, const char *arg)
9c3d33d6 2906{
d18811bb 2907 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
b250f9c6 2908#if !HAVE_THREADS
d8019eb5
AD
2909 if (verbose >= 0)
2910 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
842b556a 2911#endif
d18811bb 2912 return 0;
9c3d33d6
MN
2913}
2914
ce1ee094
PR
2915static void opt_audio_sample_fmt(const char *arg)
2916{
2917 if (strcmp(arg, "list"))
2918 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2919 else {
2920 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
639e4ec8 2921 ffmpeg_exit(0);
ce1ee094
PR
2922 }
2923}
2924
c48da33c 2925static int opt_audio_rate(const char *opt, const char *arg)
85f07f22 2926{
c48da33c
SS
2927 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2928 return 0;
85f07f22
FB
2929}
2930
c48da33c 2931static int opt_audio_channels(const char *opt, const char *arg)
85f07f22 2932{
c48da33c
SS
2933 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2934 return 0;
85f07f22
FB
2935}
2936
b29f97d1 2937static void opt_video_channel(const char *arg)
a5df11ab
FB
2938{
2939 video_channel = strtol(arg, NULL, 0);
2940}
2941
e3ee3283
AB
2942static void opt_video_standard(const char *arg)
2943{
2944 video_standard = av_strdup(arg);
2945}
2946
4a897224 2947static void opt_codec(int *pstream_copy, char **pcodec_name,
cf7fc795 2948 int codec_type, const char *arg)
85f07f22 2949{
4a897224 2950 av_freep(pcodec_name);
1629626f 2951 if (!strcmp(arg, "copy")) {
cf7fc795 2952 *pstream_copy = 1;
85f07f22 2953 } else {
4a897224 2954 *pcodec_name = av_strdup(arg);
85f07f22
FB
2955 }
2956}
2957
cf7fc795
FB
2958static void opt_audio_codec(const char *arg)
2959{
72415b2a 2960 opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
cf7fc795
FB
2961}
2962
b2a2197e
MN
2963static void opt_audio_tag(const char *arg)
2964{
2965 char *tail;
2966 audio_codec_tag= strtol(arg, &tail, 0);
2967
2968 if(!tail || *tail)
2969 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2970}
2971
2972static void opt_video_tag(const char *arg)
2973{
2974 char *tail;
2975 video_codec_tag= strtol(arg, &tail, 0);
2976
2977 if(!tail || *tail)
2978 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2979}
2980
b29f97d1 2981static void opt_video_codec(const char *arg)
85f07f22 2982{
72415b2a 2983 opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
cf7fc795 2984}
85f07f22 2985
cf7fc795
FB
2986static void opt_subtitle_codec(const char *arg)
2987{
72415b2a 2988 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
85f07f22
FB
2989}
2990
27ad7d3a
BC
2991static void opt_subtitle_tag(const char *arg)
2992{
2993 char *tail;
2994 subtitle_codec_tag= strtol(arg, &tail, 0);
2995
2996 if(!tail || *tail)
2997 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2998}
2999
b29f97d1 3000static void opt_map(const char *arg)
85f07f22
FB
3001{
3002 AVStreamMap *m;
815f98cc 3003 char *p;
85f07f22 3004
85f07f22
FB
3005 m = &stream_maps[nb_stream_maps++];
3006
815f98cc 3007 m->file_index = strtol(arg, &p, 0);
85f07f22
FB
3008 if (*p)
3009 p++;
a5dc85ef 3010
815f98cc 3011 m->stream_index = strtol(p, &p, 0);
b4a3389e
WG
3012 if (*p) {
3013 p++;
815f98cc 3014 m->sync_file_index = strtol(p, &p, 0);
b4a3389e
WG
3015 if (*p)
3016 p++;
815f98cc 3017 m->sync_stream_index = strtol(p, &p, 0);
b4a3389e
WG
3018 } else {
3019 m->sync_file_index = m->file_index;
3020 m->sync_stream_index = m->stream_index;
3021 }
85f07f22
FB
3022}
3023
0a38bafd
PB
3024static void opt_map_meta_data(const char *arg)
3025{
3026 AVMetaDataMap *m;
815f98cc 3027 char *p;
115329f1 3028
0a38bafd
PB
3029 m = &meta_data_maps[nb_meta_data_maps++];
3030
815f98cc 3031 m->out_file = strtol(arg, &p, 0);
0a38bafd
PB
3032 if (*p)
3033 p++;
3034
815f98cc 3035 m->in_file = strtol(p, &p, 0);
0a38bafd
PB
3036}
3037
8833f375
MN
3038static void opt_input_ts_scale(const char *arg)
3039{
3040 unsigned int stream;
3041 double scale;
3042 char *p;
3043
3044 stream = strtol(arg, &p, 0);
3045 if (*p)
3046 p++;
3047 scale= strtod(p, &p);
3048
3049 if(stream >= MAX_STREAMS)
639e4ec8 3050 ffmpeg_exit(1);
8833f375
MN
3051
3052 input_files_ts_scale[nb_input_files][stream]= scale;
3053}
3054
b19221c8 3055static int opt_recording_time(const char *opt, const char *arg)
85f07f22 3056{
b19221c8
SS
3057 recording_time = parse_time_or_die(opt, arg, 1);
3058 return 0;
85f07f22
FB
3059}
3060
b19221c8 3061static int opt_start_time(const char *opt, const char *arg)
8831db5c 3062{
b19221c8
SS
3063 start_time = parse_time_or_die(opt, arg, 1);
3064 return 0;
8831db5c
MN
3065}
3066
25d34458 3067static int opt_recording_timestamp(const char *opt, const char *arg)
4568325a 3068{
25d34458 3069 recording_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
b19221c8 3070 return 0;
4568325a
RS
3071}
3072
b19221c8 3073static int opt_input_ts_offset(const char *opt, const char *arg)
a6a92a9a 3074{
b19221c8
SS
3075 input_ts_offset = parse_time_or_die(opt, arg, 1);
3076 return 0;
a6a92a9a
WG
3077}
3078
4e605bc3 3079static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
4a897224 3080{
f73008d8 3081 const char *codec_string = encoder ? "encoder" : "decoder";
4a897224
NG
3082 AVCodec *codec;
3083
3084 if(!name)
3085 return CODEC_ID_NONE;
3086 codec = encoder ?
3087 avcodec_find_encoder_by_name(name) :
3088 avcodec_find_decoder_by_name(name);
3089 if(!codec) {
49a06a4d 3090 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
639e4ec8 3091 ffmpeg_exit(1);
4a897224
NG
3092 }
3093 if(codec->type != type) {
49a06a4d 3094 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
639e4ec8 3095 ffmpeg_exit(1);
4a897224 3096 }
4e605bc3
JG
3097 if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
3098 strict > FF_COMPLIANCE_EXPERIMENTAL) {
3099 fprintf(stderr, "%s '%s' is experimental and might produce bad "
3100 "results.\nAdd '-strict experimental' if you want to use it.\n",
3101 codec_string, codec->name);
770e50ae
JG
3102 codec = encoder ?
3103 avcodec_find_encoder(codec->id) :
3104 avcodec_find_decoder(codec->id);
3105 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
3106 fprintf(stderr, "Or use the non experimental %s '%s'.\n",
3107 codec_string, codec->name);
639e4ec8 3108 ffmpeg_exit(1);
4e605bc3 3109 }
4a897224
NG
3110 return codec->id;
3111}
3112
b29f97d1 3113static void opt_input_file(const char *filename)
85f07f22
FB
3114{
3115 AVFormatContext *ic;
3116 AVFormatParameters params, *ap = &params;
a5abfd8f 3117 AVInputFormat *file_iformat = NULL;
14bea432 3118 int err, i, ret, rfps, rfps_base;
bd1b79a1 3119 int64_t timestamp;
85f07f22 3120
a5abfd8f 3121 if (last_asked_format) {
8c8bf9ec
SS
3122 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3123 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
639e4ec8 3124 ffmpeg_exit(1);
8c8bf9ec 3125 }
a5abfd8f
EB
3126 last_asked_format = NULL;
3127 }
3128
b242baa4
FB
3129 if (!strcmp(filename, "-"))
3130 filename = "pipe:";
3131
115329f1 3132 using_stdin |= !strncmp(filename, "pipe:", 5) ||
9d58e0a9 3133 !strcmp(filename, "/dev/stdin");
d9a916e2 3134
85f07f22 3135 /* get default parameters from command line */
8e2fd8e1 3136 ic = avformat_alloc_context();
7ef61879
RP
3137 if (!ic) {
3138 print_error(filename, AVERROR(ENOMEM));
639e4ec8 3139 ffmpeg_exit(1);
7ef61879 3140 }
4eb72c6b 3141
79fdaa4c 3142 memset(ap, 0, sizeof(*ap));
4eb72c6b 3143 ap->prealloced_context = 1;
79fdaa4c
FB
3144 ap->sample_rate = audio_sample_rate;
3145 ap->channels = audio_channels;
b33ece16
SS
3146 ap->time_base.den = frame_rate.num;
3147 ap->time_base.num = frame_rate.den;
0c22311b
MN
3148 ap->width = frame_width;
3149 ap->height = frame_height;
63167088 3150 ap->pix_fmt = frame_pix_fmt;
a79db0f7 3151 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2639c651
RS
3152 ap->c