ffmpeg: purge redundant AVInputStream.index.
[libav.git] / ffmpeg.c
CommitLineData
85f07f22 1/*
89b503b5 2 * ffmpeg main
01310af2 3 * Copyright (c) 2000-2003 Fabrice Bellard
85f07f22 4 *
2912e87a 5 * This file is part of Libav.
b78e7197 6 *
2912e87a 7 * Libav 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 *
2912e87a 12 * Libav is distributed in the hope that it will be useful,
85f07f22 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
bf5af568
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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
2912e87a 18 * License along with Libav; if not, write to the Free Software
5509bffa 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
85f07f22 20 */
364a9607 21
0f4e8165
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22#include "config.h"
23#include <ctype.h>
24#include <string.h>
25#include <math.h>
26#include <stdlib.h>
27#include <errno.h>
d86b83f8 28#include <signal.h>
22f7a060 29#include <limits.h>
7246177d 30#include <unistd.h>
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DB
31#include "libavformat/avformat.h"
32#include "libavdevice/avdevice.h"
33#include "libswscale/swscale.h"
41d0eb1c 34#include "libavutil/opt.h"
ce1ee094 35#include "libavcodec/audioconvert.h"
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36#include "libavutil/audioconvert.h"
37#include "libavutil/parseutils.h"
38#include "libavutil/samplefmt.h"
2b4abbd6 39#include "libavutil/colorspace.h"
245976da 40#include "libavutil/fifo.h"
2839dc97 41#include "libavutil/intreadwrite.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
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47#if CONFIG_AVFILTER
48# include "libavfilter/avfilter.h"
49# include "libavfilter/avfiltergraph.h"
46847a33
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50# include "libavfilter/vsrc_buffer.h"
51#endif
52
b250f9c6 53#if HAVE_SYS_RESOURCE_H
0a1b29de 54#include <sys/types.h>
fc5607f8 55#include <sys/time.h>
b091aa44 56#include <sys/resource.h>
b250f9c6 57#elif HAVE_GETPROCESSTIMES
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58#include <windows.h>
59#endif
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60#if HAVE_GETPROCESSMEMORYINFO
61#include <windows.h>
62#include <psapi.h>
63#endif
7495c306 64
b250f9c6 65#if HAVE_SYS_SELECT_H
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66#include <sys/select.h>
67#endif
68
bf5af568 69#include <time.h>
85f07f22 70
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71#include "cmdutils.h"
72
b64b4134 73#include "libavutil/avassert.h"
2b18dcd0 74
89b503b5 75const char program_name[] = "ffmpeg";
ea9c581f 76const int program_birth_year = 2000;
86074ed1 77
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78/* select an input stream for an output stream */
79typedef struct AVStreamMap {
80 int file_index;
81 int stream_index;
b4a3389e
WG
82 int sync_file_index;
83 int sync_stream_index;
85f07f22
FB
84} AVStreamMap;
85
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86/**
87 * select an input file for an output file
88 */
0a38bafd 89typedef struct AVMetaDataMap {
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90 int file; //< file index
91 char type; //< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
92 int index; //< stream/chapter/program number
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93} AVMetaDataMap;
94
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95typedef struct AVChapterMap {
96 int in_file;
97 int out_file;
98} AVChapterMap;
99
580a6c57 100static const OptionDef options[];
85f07f22 101
60402344 102#define MAX_FILES 100
84fd51e5 103#define MAX_STREAMS 1024 /* arbitrary sanity check value */
85f07f22 104
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105#define FFM_PACKET_SIZE 4096 //XXX a duplicate of the line in ffm.h
106
ef6fc647 107static const char *last_asked_format = NULL;
85f07f22 108static AVFormatContext *input_files[MAX_FILES];
a6a92a9a 109static int64_t input_files_ts_offset[MAX_FILES];
2c6958aa 110static double *input_files_ts_scale[MAX_FILES] = {NULL};
311e223f 111static AVCodec **input_codecs = NULL;
85f07f22 112static int nb_input_files = 0;
311e223f 113static int nb_input_codecs = 0;
2c6958aa 114static int nb_input_files_ts_scale[MAX_FILES] = {0};
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115
116static AVFormatContext *output_files[MAX_FILES];
0a6d97b3 117static AVCodec **output_codecs = NULL;
85f07f22 118static int nb_output_files = 0;
0a6d97b3 119static int nb_output_codecs = 0;
85f07f22 120
3a8e8824 121static AVStreamMap *stream_maps = NULL;
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122static int nb_stream_maps;
123
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124/* first item specifies output metadata, second is input */
125static AVMetaDataMap (*meta_data_maps)[2] = NULL;
0a38bafd 126static int nb_meta_data_maps;
477b1aea 127static int metadata_global_autocopy = 1;
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128static int metadata_streams_autocopy = 1;
129static int metadata_chapters_autocopy = 1;
0a38bafd 130
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131static AVChapterMap *chapter_maps = NULL;
132static int nb_chapter_maps;
133
006e8108 134/* indexed by output file stream index */
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135static int *streamid_map = NULL;
136static int nb_streamid_map = 0;
006e8108 137
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138static int frame_width = 0;
139static int frame_height = 0;
880e8ba7 140static float frame_aspect_ratio = 0;
644a9262 141static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
5d6e4c16 142static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
cf7fc795 143static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
89129c6b 144static AVRational frame_rate;
158c7f05 145static float video_qscale = 0;
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VM
146static uint16_t *intra_matrix = NULL;
147static uint16_t *inter_matrix = NULL;
464a631c 148static const char *video_rc_override_string=NULL;
85f07f22 149static int video_disable = 0;
f3356e9c 150static int video_discard = 0;
4a897224 151static char *video_codec_name = NULL;
83a36b2e 152static unsigned int video_codec_tag = 0;
0fc2c0f6 153static char *video_language = NULL;
85f07f22 154static int same_quality = 0;
cfcf0ffd 155static int do_deinterlace = 0;
bb198e19 156static int top_field_first = -1;
f4f3223f 157static int me_threshold = 0;
1a11cbcc 158static int intra_dc_precision = 8;
5894e1bb 159static int loop_input = 0;
8108551a 160static int loop_output = AVFMT_NOOUTPUTLOOP;
0888fd22 161static int qp_hist = 0;
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162#if CONFIG_AVFILTER
163static char *vfilters = NULL;
46847a33 164#endif
85f07f22 165
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166static int intra_only = 0;
167static int audio_sample_rate = 44100;
13367a46 168static int64_t channel_layout = 0;
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169#define QSCALE_NONE -99999
170static float audio_qscale = QSCALE_NONE;
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171static int audio_disable = 0;
172static int audio_channels = 1;
4a897224 173static char *audio_codec_name = NULL;
83a36b2e 174static unsigned int audio_codec_tag = 0;
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175static char *audio_language = NULL;
176
11bf3847 177static int subtitle_disable = 0;
4a897224 178static char *subtitle_codec_name = NULL;
cf7fc795 179static char *subtitle_language = NULL;
83a36b2e 180static unsigned int subtitle_codec_tag = 0;
85f07f22 181
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182static int data_disable = 0;
183static char *data_codec_name = NULL;
184static unsigned int data_codec_tag = 0;
185
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186static float mux_preload= 0.5;
187static float mux_max_delay= 0.7;
2db3c638 188
fc7ad2af 189static int64_t recording_time = INT64_MAX;
8831db5c 190static int64_t start_time = 0;
25d34458 191static int64_t recording_timestamp = 0;
a6a92a9a 192static int64_t input_ts_offset = 0;
85f07f22 193static int file_overwrite = 0;
4bf65e2a 194static AVMetadata *metadata;
5727b222 195static int do_benchmark = 0;
a0663ba4 196static int do_hex_dump = 0;
254abc2e 197static int do_pkt_dump = 0;
43f1708f 198static int do_psnr = 0;
5abdb4b1 199static int do_pass = 0;
ad16627f 200static char *pass_logfilename_prefix = NULL;
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FB
201static int audio_stream_copy = 0;
202static int video_stream_copy = 0;
cf7fc795 203static int subtitle_stream_copy = 0;
e3b540b4 204static int data_stream_copy = 0;
8858816d 205static int video_sync_method= -1;
986ebcdb 206static int audio_sync_method= 0;
d4d226a8 207static float audio_drift_threshold= 0.1;
72bd8100 208static int copy_ts= 0;
0f27e6b4 209static int copy_tb;
76bdac6d 210static int opt_shortest = 0;
b60d1379 211static char *vstats_filename;
032aa7df 212static FILE *vstats_file;
50e143c4 213static int opt_programid = 0;
50e3477f 214static int copy_initial_nonkeyframes = 0;
5abdb4b1 215
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MK
216static int rate_emu = 0;
217
a5df11ab 218static int video_channel = 0;
df0cecdd 219static char *video_standard;
79a7c268 220
a9aa3467 221static int audio_volume = 256;
8aa3ee32 222
f2abc559 223static int exit_on_error = 0;
d9a916e2 224static int using_stdin = 0;
f068206e 225static int verbose = 1;
9c3d33d6 226static int thread_count= 1;
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MN
227static int64_t video_size = 0;
228static int64_t audio_size = 0;
229static int64_t extra_size = 0;
a6a92a9a
WG
230static int nb_frames_dup = 0;
231static int nb_frames_drop = 0;
6e454c38 232static int input_sync;
76bdac6d 233static uint64_t limit_filesize = 0;
d2845b75 234static int force_fps = 0;
4ad08021 235static char *forced_key_frames = NULL;
d9a916e2 236
a8482aab 237static float dts_delta_threshold = 10;
5b6d5596 238
29cc1c23 239static int64_t timer_start;
8bbf6db9 240
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241static uint8_t *audio_buf;
242static uint8_t *audio_out;
a6d1bd05 243static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
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244
245static short *samples;
246
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MN
247static AVBitStreamFilterContext *video_bitstream_filters=NULL;
248static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
e1cc8339 249static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
5b6d5596 250
ad16627f 251#define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
85f07f22 252
b4a3389e
WG
253struct AVInputStream;
254
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FB
255typedef struct AVOutputStream {
256 int file_index; /* file index */
257 int index; /* stream index in the output file */
258 int source_index; /* AVInputStream index */
259 AVStream *st; /* stream in the output file */
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FB
260 int encoding_needed; /* true if encoding needed for this stream */
261 int frame_number;
262 /* input pts and corresponding output pts
263 for A/V sync */
b4a3389e
WG
264 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
265 struct AVInputStream *sync_ist; /* input stream to sync against */
e928649b 266 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
0b6d358a 267 AVBitStreamFilterContext *bitstream_filters;
85f07f22 268 /* video only */
07d0cdfc 269 int video_resample;
a4d36c11 270 AVFrame pict_tmp; /* temporary image for resampling */
18a54b04
LA
271 struct SwsContext *img_resample_ctx; /* for image resampling */
272 int resample_height;
352666c1 273 int resample_width;
01a3c821 274 int resample_pix_fmt;
34b10a57 275
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BC
276 float frame_aspect_ratio;
277
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NG
278 /* forced key frames */
279 int64_t *forced_kf_pts;
280 int forced_kf_count;
281 int forced_kf_index;
282
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FB
283 /* audio only */
284 int audio_resample;
285 ReSampleContext *resample; /* for audio resampling */
8afab686
SS
286 int resample_sample_fmt;
287 int resample_channels;
288 int resample_sample_rate;
a79db0f7
PR
289 int reformat_pair;
290 AVAudioConvert *reformat_ctx;
41dd680d 291 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
5abdb4b1 292 FILE *logfile;
1435f2fa 293
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MN
294#if CONFIG_AVFILTER
295 AVFilterContext *output_video_filter;
296 AVFilterContext *input_video_filter;
297 AVFilterBufferRef *picref;
298 char *avfilter;
299 AVFilterGraph *graph;
300#endif
301
1435f2fa 302 int sws_flags;
85f07f22
FB
303} AVOutputStream;
304
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NG
305static AVOutputStream **output_streams_for_file[MAX_FILES] = { NULL };
306static int nb_output_streams_for_file[MAX_FILES] = { 0 };
307
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308typedef struct AVInputStream {
309 int file_index;
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310 AVStream *st;
311 int discard; /* true if stream data should be discarded */
312 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
0c1a9eda 313 int64_t sample_index; /* current sample */
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314
315 int64_t start; /* time when read started */
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FB
316 int64_t next_pts; /* synthetic pts for cases where pkt.pts
317 is not defined */
e7d0374f 318 int64_t pts; /* current pts */
0ff4f0c0 319 PtsCorrectionContext pts_ctx;
ff4905a5 320 int is_start; /* is 1 at the start and after a discontinuity */
3ff0daf0 321 int showed_multi_packet_warning;
55a7e946 322 int is_past_recording_time;
46847a33 323#if CONFIG_AVFILTER
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324 AVFrame *filter_frame;
325 int has_filter_frame;
46847a33 326#endif
85f07f22
FB
327} AVInputStream;
328
329typedef struct AVInputFile {
330 int eof_reached; /* true if eof reached */
331 int ist_index; /* index of first stream in ist_table */
332 int buffer_size; /* current total buffer size */
79fdaa4c 333 int nb_streams; /* nb streams we are aware of */
85f07f22
FB
334} AVInputFile;
335
46847a33 336#if CONFIG_AVFILTER
46847a33 337
0420bf09 338static int configure_video_filters(AVInputStream *ist, AVOutputStream *ost)
46847a33 339{
a9f3cb93 340 AVFilterContext *last_filter, *filter;
46847a33
MN
341 /** filter graph containing all filters including input & output */
342 AVCodecContext *codec = ost->st->codec;
343 AVCodecContext *icodec = ist->st->codec;
f7ead94c 344 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
7a11c82f 345 AVRational sample_aspect_ratio;
46847a33 346 char args[255];
4ddf0d29 347 int ret;
46847a33 348
9d5fa618 349 ost->graph = avfilter_graph_alloc();
46847a33 350
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MN
351 if (ist->st->sample_aspect_ratio.num){
352 sample_aspect_ratio = ist->st->sample_aspect_ratio;
353 }else
354 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
355
356 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
357 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
358 sample_aspect_ratio.num, sample_aspect_ratio.den);
359
9d5fa618
MN
360 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
361 "src", args, NULL, ost->graph);
037be76e 362 if (ret < 0)
4ddf0d29 363 return ret;
9d5fa618
MN
364 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
365 "out", NULL, &ffsink_ctx, ost->graph);
037be76e 366 if (ret < 0)
4ddf0d29 367 return ret;
9d5fa618 368 last_filter = ost->input_video_filter;
46847a33 369
5879ea6d 370 if (codec->width != icodec->width || codec->height != icodec->height) {
6e82e7fa 371 snprintf(args, 255, "%d:%d:flags=0x%X",
0c22311b
MN
372 codec->width,
373 codec->height,
1435f2fa 374 ost->sws_flags);
037be76e 375 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
9d5fa618 376 NULL, args, NULL, ost->graph)) < 0)
4ddf0d29
SS
377 return ret;
378 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
379 return ret;
a9f3cb93 380 last_filter = filter;
46847a33
MN
381 }
382
1435f2fa 383 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
9d5fa618 384 ost->graph->scale_sws_opts = av_strdup(args);
f96363df 385
9d5fa618 386 if (ost->avfilter) {
46847a33
MN
387 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
388 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
389
390 outputs->name = av_strdup("in");
7313132b 391 outputs->filter_ctx = last_filter;
46847a33
MN
392 outputs->pad_idx = 0;
393 outputs->next = NULL;
394
395 inputs->name = av_strdup("out");
9d5fa618 396 inputs->filter_ctx = ost->output_video_filter;
46847a33
MN
397 inputs->pad_idx = 0;
398 inputs->next = NULL;
399
9d5fa618 400 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
4ddf0d29 401 return ret;
9d5fa618 402 av_freep(&ost->avfilter);
46847a33 403 } else {
9d5fa618 404 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
4ddf0d29 405 return ret;
46847a33
MN
406 }
407
9d5fa618 408 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
4ddf0d29 409 return ret;
46847a33 410
9d5fa618
MN
411 codec->width = ost->output_video_filter->inputs[0]->w;
412 codec->height = ost->output_video_filter->inputs[0]->h;
7a11c82f 413 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
901ff511
BC
414 ost->frame_aspect_ratio ? // overriden by the -aspect cli option
415 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
9d5fa618 416 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
46847a33
MN
417
418 return 0;
419}
420#endif /* CONFIG_AVFILTER */
421
85f07f22
FB
422static void term_exit(void)
423{
6b6bca64 424 av_log(NULL, AV_LOG_QUIET, "");
64f6e357 425}
85f07f22 426
e9a832e5 427static volatile int received_sigterm = 0;
a1217548 428static volatile int received_nb_signals = 0;
9680a722
RP
429
430static void
431sigterm_handler(int sig)
432{
433 received_sigterm = sig;
a1217548 434 received_nb_signals++;
9680a722
RP
435 term_exit();
436}
437
85f07f22
FB
438static void term_init(void)
439{
9680a722 440 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
9680a722 441 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
ffcc6e24
MR
442#ifdef SIGXCPU
443 signal(SIGXCPU, sigterm_handler);
444#endif
85f07f22
FB
445}
446
b51469a0
LS
447static int decode_interrupt_cb(void)
448{
a1217548 449 return received_nb_signals > 1;
b51469a0
LS
450}
451
639e4ec8 452static int ffmpeg_exit(int ret)
e5295c0d
RP
453{
454 int i;
455
456 /* close files */
457 for(i=0;i<nb_output_files;i++) {
e5295c0d 458 AVFormatContext *s = output_files[i];
8767060c 459 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
22a3212e 460 avio_close(s->pb);
b22dbb29 461 avformat_free_context(s);
9fdf4b58 462 av_free(output_streams_for_file[i]);
e5295c0d 463 }
2c6958aa 464 for(i=0;i<nb_input_files;i++) {
e5295c0d 465 av_close_input_file(input_files[i]);
2c6958aa
AJ
466 av_free(input_files_ts_scale[i]);
467 }
e5295c0d 468
e5295c0d
RP
469 av_free(intra_matrix);
470 av_free(inter_matrix);
471
472 if (vstats_file)
473 fclose(vstats_file);
474 av_free(vstats_filename);
475
e640f261 476 av_free(streamid_map);
311e223f 477 av_free(input_codecs);
0a6d97b3 478 av_free(output_codecs);
3a8e8824 479 av_free(stream_maps);
63e856df 480 av_free(meta_data_maps);
e5295c0d
RP
481
482 av_free(video_codec_name);
483 av_free(audio_codec_name);
484 av_free(subtitle_codec_name);
e3b540b4 485 av_free(data_codec_name);
e5295c0d
RP
486
487 av_free(video_standard);
488
a5c33faa 489 uninit_opts();
3321cb3f
BC
490 av_free(audio_buf);
491 av_free(audio_out);
b8919a30 492 allocated_audio_buf_size= allocated_audio_out_size= 0;
3321cb3f 493 av_free(samples);
5973490a 494
46847a33
MN
495#if CONFIG_AVFILTER
496 avfilter_uninit();
497#endif
498
e5295c0d
RP
499 if (received_sigterm) {
500 fprintf(stderr,
501 "Received signal %d: terminating.\n",
502 (int) received_sigterm);
503 exit (255);
504 }
505
296df4e7
RP
506 exit(ret); /* not all OS-es handle main() return value */
507 return ret;
dba249ab
AJ
508}
509
510/* similar to ff_dynarray_add() and av_fast_realloc() */
511static void *grow_array(void *array, int elem_size, int *size, int new_size)
512{
513 if (new_size >= INT_MAX / elem_size) {
514 fprintf(stderr, "Array too big.\n");
515 ffmpeg_exit(1);
516 }
517 if (*size < new_size) {
518 uint8_t *tmp = av_realloc(array, new_size*elem_size);
519 if (!tmp) {
520 fprintf(stderr, "Could not alloc buffer.\n");
521 ffmpeg_exit(1);
522 }
523 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
524 *size = new_size;
525 return tmp;
526 }
527 return array;
e5295c0d
RP
528}
529
aa1de0d9
RB
530static void choose_sample_fmt(AVStream *st, AVCodec *codec)
531{
532 if(codec && codec->sample_fmts){
5d6e4c16 533 const enum AVSampleFormat *p= codec->sample_fmts;
aa1de0d9
RB
534 for(; *p!=-1; p++){
535 if(*p == st->codec->sample_fmt)
536 break;
537 }
fa34a362
SS
538 if (*p == -1) {
539 av_log(NULL, AV_LOG_WARNING,
540 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
541 av_get_sample_fmt_name(st->codec->sample_fmt),
542 codec->name,
543 av_get_sample_fmt_name(codec->sample_fmts[0]));
aa1de0d9 544 st->codec->sample_fmt = codec->sample_fmts[0];
fa34a362 545 }
aa1de0d9
RB
546 }
547}
548
bc778a0c
JR
549/**
550 * Update the requested input sample format based on the output sample format.
551 * This is currently only used to request float output from decoders which
552 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
553 * Ideally this will be removed in the future when decoders do not do format
554 * conversion and only output in their native format.
555 */
556static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
557 AVCodecContext *enc)
558{
559 /* if sample formats match or a decoder sample format has already been
560 requested, just return */
561 if (enc->sample_fmt == dec->sample_fmt ||
562 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
563 return;
564
565 /* if decoder supports more than one output format */
566 if (dec_codec && dec_codec->sample_fmts &&
567 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
568 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
569 enum AVSampleFormat *p;
570 int min_dec = -1, min_inc = -1;
571
572 /* find a matching sample format in the encoder */
573 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
574 if (*p == enc->sample_fmt) {
575 dec->request_sample_fmt = *p;
576 return;
577 } else if (*p > enc->sample_fmt) {
578 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
579 } else
580 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
581 }
582
583 /* if none match, provide the one that matches quality closest */
584 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
585 enc->sample_fmt - min_dec;
586 }
587}
588
10d0f5e0
MN
589static void choose_sample_rate(AVStream *st, AVCodec *codec)
590{
591 if(codec && codec->supported_samplerates){
592 const int *p= codec->supported_samplerates;
3c5e1b36 593 int best=0;
10d0f5e0
MN
594 int best_dist=INT_MAX;
595 for(; *p; p++){
596 int dist= abs(st->codec->sample_rate - *p);
597 if(dist < best_dist){
598 best_dist= dist;
599 best= *p;
600 }
601 }
ff866063
MN
602 if(best_dist){
603 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
604 }
10d0f5e0
MN
605 st->codec->sample_rate= best;
606 }
607}
608
aa1de0d9
RB
609static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
610{
611 if(codec && codec->pix_fmts){
612 const enum PixelFormat *p= codec->pix_fmts;
b26847b7
MN
613 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
614 if(st->codec->codec_id==CODEC_ID_MJPEG){
615 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
616 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
617 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE};
618 }
619 }
aa1de0d9
RB
620 for(; *p!=-1; p++){
621 if(*p == st->codec->pix_fmt)
622 break;
623 }
b568d6d9
SS
624 if (*p == -1) {
625 if(st->codec->pix_fmt != PIX_FMT_NONE)
626 av_log(NULL, AV_LOG_WARNING,
627 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
628 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
629 codec->name,
630 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
aa1de0d9 631 st->codec->pix_fmt = codec->pix_fmts[0];
b568d6d9 632 }
aa1de0d9
RB
633 }
634}
635
ec1ca41c
CEH
636static AVOutputStream *new_output_stream(AVFormatContext *oc, int file_idx)
637{
638 int idx = oc->nb_streams - 1;
639 AVOutputStream *ost;
640
641 output_streams_for_file[file_idx] =
642 grow_array(output_streams_for_file[file_idx],
643 sizeof(*output_streams_for_file[file_idx]),
644 &nb_output_streams_for_file[file_idx],
645 oc->nb_streams);
646 ost = output_streams_for_file[file_idx][idx] =
647 av_mallocz(sizeof(AVOutputStream));
648 if (!ost) {
649 fprintf(stderr, "Could not alloc output stream\n");
650 ffmpeg_exit(1);
651 }
652 ost->file_index = file_idx;
653 ost->index = idx;
1435f2fa
AK
654
655 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
ec1ca41c
CEH
656 return ost;
657}
658
b29f97d1 659static int read_ffserver_streams(AVFormatContext *s, const char *filename)
85f07f22 660{
79fdaa4c 661 int i, err;
85f07f22 662 AVFormatContext *ic;
3438d82d 663 int nopts = 0;
85f07f22 664
79fdaa4c
FB
665 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
666 if (err < 0)
667 return err;
85f07f22 668 /* copy stream format */
b67f3d65 669 s->nb_streams = 0;
85f07f22
FB
670 for(i=0;i<ic->nb_streams;i++) {
671 AVStream *st;
d9521cb1 672 AVCodec *codec;
1e491e29 673
b67f3d65
RC
674 s->nb_streams++;
675
f37f8d4c 676 // FIXME: a more elegant solution is needed
e1031171 677 st = av_mallocz(sizeof(AVStream));
85f07f22 678 memcpy(st, ic->streams[i], sizeof(AVStream));
f37f8d4c 679 st->codec = avcodec_alloc_context();
7ef61879
RP
680 if (!st->codec) {
681 print_error(filename, AVERROR(ENOMEM));
639e4ec8 682 ffmpeg_exit(1);
7ef61879 683 }
d9521cb1 684 avcodec_copy_context(st->codec, ic->streams[i]->codec);
85f07f22 685 s->streams[i] = st;
837d248d 686
d9521cb1
RB
687 codec = avcodec_find_encoder(st->codec->codec_id);
688 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
689 if (audio_stream_copy) {
690 st->stream_copy = 1;
691 } else
692 choose_sample_fmt(st, codec);
693 } else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
694 if (video_stream_copy) {
695 st->stream_copy = 1;
696 } else
697 choose_pixel_fmt(st, codec);
698 }
837d248d 699
3438d82d
BC
700 if(st->codec->flags & CODEC_FLAG_BITEXACT)
701 nopts = 1;
b67f3d65
RC
702
703 new_output_stream(s, nb_output_files);
85f07f22
FB
704 }
705
3438d82d
BC
706 if (!nopts)
707 s->timestamp = av_gettime();
708
85f07f22
FB
709 av_close_input_file(ic);
710 return 0;
711}
712
b4a3389e
WG
713static double
714get_sync_ipts(const AVOutputStream *ost)
715{
716 const AVInputStream *ist = ost->sync_ist;
fec401f7 717 return (double)(ist->pts - start_time)/AV_TIME_BASE;
b4a3389e
WG
718}
719
748c2fca 720static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
0ac07031
MN
721 int ret;
722
748c2fca
MN
723 while(bsfc){
724 AVPacket new_pkt= *pkt;
725 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
726 &new_pkt.data, &new_pkt.size,
727 pkt->data, pkt->size,
cc947f04 728 pkt->flags & AV_PKT_FLAG_KEY);
7055cdac 729 if(a>0){
748c2fca
MN
730 av_free_packet(pkt);
731 new_pkt.destruct= av_destruct_packet;
7055cdac 732 } else if(a<0){
1f8e32cd
DB
733 fprintf(stderr, "%s failed for stream %d, codec %s",
734 bsfc->filter->name, pkt->stream_index,
735 avctx->codec ? avctx->codec->name : "copy");
7055cdac 736 print_error("", a);
f2abc559 737 if (exit_on_error)
639e4ec8 738 ffmpeg_exit(1);
748c2fca
MN
739 }
740 *pkt= new_pkt;
741
742 bsfc= bsfc->next;
743 }
744
0ac07031
MN
745 ret= av_interleaved_write_frame(s, pkt);
746 if(ret < 0){
747 print_error("av_interleaved_write_frame()", ret);
639e4ec8 748 ffmpeg_exit(1);
0ac07031 749 }
748c2fca
MN
750}
751
817b23ff 752#define MAX_AUDIO_PACKET_SIZE (128 * 1024)
85f07f22 753
115329f1
DB
754static void do_audio_out(AVFormatContext *s,
755 AVOutputStream *ost,
85f07f22
FB
756 AVInputStream *ist,
757 unsigned char *buf, int size)
758{
0c1a9eda 759 uint8_t *buftmp;
15bfe412 760 int64_t audio_out_size, audio_buf_size;
7a086a85 761 int64_t allocated_for_size= size;
d66c7abc 762
8afab686 763 int size_out, frame_bytes, ret, resample_changed;
01f4895c 764 AVCodecContext *enc= ost->st->codec;
2886f311 765 AVCodecContext *dec= ist->st->codec;
ba7d6e79
SS
766 int osize= av_get_bits_per_sample_fmt(enc->sample_fmt)/8;
767 int isize= av_get_bits_per_sample_fmt(dec->sample_fmt)/8;
15bfe412
MN
768 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
769
7a086a85
MN
770need_realloc:
771 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
15bfe412 772 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
8b484d0f 773 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
79c85beb 774 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
15bfe412
MN
775 audio_buf_size*= osize*enc->channels;
776
777 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
778 if(coded_bps > 8*osize)
779 audio_out_size= audio_out_size * coded_bps / (8*osize);
780 audio_out_size += FF_MIN_BUFFER_SIZE;
781
782 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
783 fprintf(stderr, "Buffer sizes too large\n");
639e4ec8 784 ffmpeg_exit(1);
15bfe412 785 }
85f07f22 786
b8919a30
MN
787 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
788 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
e185a2f6
MN
789 if (!audio_buf || !audio_out){
790 fprintf(stderr, "Out of memory in do_audio_out\n");
639e4ec8 791 ffmpeg_exit(1);
e185a2f6 792 }
d66c7abc 793
bc778a0c 794 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
2886f311
795 ost->audio_resample = 1;
796
8afab686
SS
797 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
798 ost->resample_channels != dec->channels ||
799 ost->resample_sample_rate != dec->sample_rate;
800
801 if ((ost->audio_resample && !ost->resample) || resample_changed) {
802 if (resample_changed) {
803 av_log(NULL, AV_LOG_INFO, "Input stream #%d.%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n",
d2bc4da1 804 ist->file_index, ist->st->index,
8afab686
SS
805 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
806 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
807 ost->resample_sample_fmt = dec->sample_fmt;
808 ost->resample_channels = dec->channels;
809 ost->resample_sample_rate = dec->sample_rate;
810 if (ost->resample)
811 audio_resample_close(ost->resample);
812 }
07b48f8c
SS
813 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
814 if (audio_sync_method <= 1 &&
815 ost->resample_sample_fmt == enc->sample_fmt &&
8afab686
SS
816 ost->resample_channels == enc->channels &&
817 ost->resample_sample_rate == enc->sample_rate) {
818 ost->resample = NULL;
819 ost->audio_resample = 0;
bc778a0c 820 } else if (ost->audio_resample) {
f6715848
SS
821 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
822 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
823 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
824 enc->sample_rate, dec->sample_rate,
825 enc->sample_fmt, dec->sample_fmt,
826 16, 10, 0, 0.8);
827 if (!ost->resample) {
828 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
829 dec->channels, dec->sample_rate,
830 enc->channels, enc->sample_rate);
831 ffmpeg_exit(1);
832 }
8afab686 833 }
2886f311
834 }
835
5d6e4c16 836#define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
d1e3c6fd 837 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
a79db0f7 838 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
a79db0f7
PR
839 if (ost->reformat_ctx)
840 av_audio_convert_free(ost->reformat_ctx);
841 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
842 dec->sample_fmt, 1, NULL, 0);
843 if (!ost->reformat_ctx) {
844 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
ba7d6e79
SS
845 av_get_sample_fmt_name(dec->sample_fmt),
846 av_get_sample_fmt_name(enc->sample_fmt));
639e4ec8 847 ffmpeg_exit(1);
a79db0f7
PR
848 }
849 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
850 }
851
986ebcdb 852 if(audio_sync_method){
115329f1 853 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
37f5a713
JR
854 - av_fifo_size(ost->fifo)/(enc->channels * 2);
855 double idelta= delta*dec->sample_rate / enc->sample_rate;
ff19d16b 856 int byte_delta= ((int)idelta)*2*dec->channels;
ff4905a5 857
986ebcdb
MN
858 //FIXME resample delay
859 if(fabs(delta) > 50){
d4d226a8 860 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
ff4905a5 861 if(byte_delta < 0){
f41dd5aa 862 byte_delta= FFMAX(byte_delta, -size);
ff4905a5
MN
863 size += byte_delta;
864 buf -= byte_delta;
865 if(verbose > 2)
866 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
867 if(!size)
868 return;
869 ist->is_start=0;
870 }else{
871 static uint8_t *input_tmp= NULL;
872 input_tmp= av_realloc(input_tmp, byte_delta + size);
873
7a086a85
MN
874 if(byte_delta > allocated_for_size - size){
875 allocated_for_size= byte_delta + (int64_t)size;
876 goto need_realloc;
877 }
878 ist->is_start=0;
ff4905a5
MN
879
880 memset(input_tmp, 0, byte_delta);
881 memcpy(input_tmp + byte_delta, buf, size);
882 buf= input_tmp;
883 size += byte_delta;
884 if(verbose > 2)
885 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
886 }
887 }else if(audio_sync_method>1){
f66e4f5f 888 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
b926b628 889 av_assert0(ost->audio_resample);
ff4905a5
MN
890 if(verbose > 2)
891 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
41dd680d 892// 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
893 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
894 }
115329f1 895 }
986ebcdb 896 }else
b4a3389e 897 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
37f5a713 898 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
85f07f22
FB
899
900 if (ost->audio_resample) {
901 buftmp = audio_buf;
115329f1 902 size_out = audio_resample(ost->resample,
85f07f22 903 (short *)buftmp, (short *)buf,
37f5a713 904 size / (dec->channels * isize));
287ba997 905 size_out = size_out * enc->channels * osize;
85f07f22
FB
906 } else {
907 buftmp = buf;
908 size_out = size;
909 }
910
d1e3c6fd 911 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
a79db0f7 912 const void *ibuf[6]= {buftmp};
80f47250 913 void *obuf[6]= {audio_buf};
287ba997
PR
914 int istride[6]= {isize};
915 int ostride[6]= {osize};
a79db0f7
PR
916 int len= size_out/istride[0];
917 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
918 printf("av_audio_convert() failed\n");
f2abc559 919 if (exit_on_error)
639e4ec8 920 ffmpeg_exit(1);
a79db0f7
PR
921 return;
922 }
80f47250 923 buftmp = audio_buf;
287ba997 924 size_out = len*osize;
a79db0f7
PR
925 }
926
85f07f22 927 /* now encode as many frames as possible */
a0663ba4 928 if (enc->frame_size > 1) {
85f07f22 929 /* output resampled raw samples */
41dd680d 930 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
745b39d5 931 fprintf(stderr, "av_fifo_realloc2() failed\n");
639e4ec8 932 ffmpeg_exit(1);
745b39d5 933 }
41dd680d 934 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
85f07f22 935
287ba997 936 frame_bytes = enc->frame_size * osize * enc->channels;
115329f1 937
41dd680d 938 while (av_fifo_size(ost->fifo) >= frame_bytes) {
e928649b
MN
939 AVPacket pkt;
940 av_init_packet(&pkt);
941
3898eed8 942 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
0871ae1a 943
5bc440e7
MN
944 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
945
115329f1 946 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
a0663ba4 947 (short *)audio_buf);
528271ff
MN
948 if (ret < 0) {
949 fprintf(stderr, "Audio encoding failed\n");
639e4ec8 950 ffmpeg_exit(1);
528271ff 951 }
1008ceb3 952 audio_size += ret;
e928649b
MN
953 pkt.stream_index= ost->index;
954 pkt.data= audio_out;
955 pkt.size= ret;
e7902f20 956 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
c0df9d75 957 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
cc947f04 958 pkt.flags |= AV_PKT_FLAG_KEY;
0b6d358a 959 write_frame(s, &pkt, enc, ost->bitstream_filters);
115329f1 960
986ebcdb 961 ost->sync_opts += enc->frame_size;
85f07f22
FB
962 }
963 } else {
e928649b
MN
964 AVPacket pkt;
965 av_init_packet(&pkt);
986ebcdb 966
287ba997 967 ost->sync_opts += size_out / (osize * enc->channels);
986ebcdb 968
a0663ba4 969 /* output a pcm frame */
287ba997
PR
970 /* determine the size of the coded buffer */
971 size_out /= osize;
972 if (coded_bps)
060b8592 973 size_out = size_out*coded_bps/8;
287ba997 974
5ee05a62
MN
975 if(size_out > audio_out_size){
976 fprintf(stderr, "Internal error, buffer size too small\n");
639e4ec8 977 ffmpeg_exit(1);
5ee05a62
MN
978 }
979
5bc440e7 980 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
115329f1 981 ret = avcodec_encode_audio(enc, audio_out, size_out,
bb270c08 982 (short *)buftmp);
528271ff
MN
983 if (ret < 0) {
984 fprintf(stderr, "Audio encoding failed\n");
639e4ec8 985 ffmpeg_exit(1);
528271ff 986 }
1008ceb3 987 audio_size += ret;
e928649b
MN
988 pkt.stream_index= ost->index;
989 pkt.data= audio_out;
990 pkt.size= ret;
e7902f20 991 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
c0df9d75 992 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
cc947f04 993 pkt.flags |= AV_PKT_FLAG_KEY;
0b6d358a 994 write_frame(s, &pkt, enc, ost->bitstream_filters);
85f07f22
FB
995 }
996}
997
10d104e4
PG
998static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
999{
1000 AVCodecContext *dec;
1001 AVPicture *picture2;
1002 AVPicture picture_tmp;
0c1a9eda 1003 uint8_t *buf = 0;
10d104e4 1004
01f4895c 1005 dec = ist->st->codec;
10d104e4
PG
1006
1007 /* deinterlace : must be done before any resize */
fdf11906 1008 if (do_deinterlace) {
10d104e4
PG
1009 int size;
1010
1011 /* create temporary picture */
1012 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1013 buf = av_malloc(size);
1014 if (!buf)
1015 return;
115329f1 1016
10d104e4
PG
1017 picture2 = &picture_tmp;
1018 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1019
9e1cc598
RP
1020 if(avpicture_deinterlace(picture2, picture,
1021 dec->pix_fmt, dec->width, dec->height) < 0) {
1022 /* if error, do not deinterlace */
1023 fprintf(stderr, "Deinterlacing failed\n");
1024 av_free(buf);
1025 buf = NULL;
1026 picture2 = picture;
1027 }
10d104e4
PG
1028 } else {
1029 picture2 = picture;
1030 }
1031
10d104e4
PG
1032 if (picture != picture2)
1033 *picture = *picture2;
1034 *bufp = buf;
1035}
1036
ec5517d5
FB
1037/* we begin to correct av delay at this threshold */
1038#define AV_DELAY_MAX 0.100
85f07f22 1039
115329f1
DB
1040static void do_subtitle_out(AVFormatContext *s,
1041 AVOutputStream *ost,
cf7fc795
FB
1042 AVInputStream *ist,
1043 AVSubtitle *sub,
1044 int64_t pts)
1045{
1046 static uint8_t *subtitle_out = NULL;
7f4fca03 1047 int subtitle_out_max_size = 1024 * 1024;
cf7fc795
FB
1048 int subtitle_out_size, nb, i;
1049 AVCodecContext *enc;
1050 AVPacket pkt;
1051
1052 if (pts == AV_NOPTS_VALUE) {
1053 fprintf(stderr, "Subtitle packets must have a pts\n");
f2abc559 1054 if (exit_on_error)
639e4ec8 1055 ffmpeg_exit(1);
cf7fc795
FB
1056 return;
1057 }
1058
01f4895c 1059 enc = ost->st->codec;
cf7fc795
FB
1060
1061 if (!subtitle_out) {
1062 subtitle_out = av_malloc(subtitle_out_max_size);
1063 }
1064
1065 /* Note: DVB subtitle need one packet to draw them and one other
1066 packet to clear them */
1067 /* XXX: signal it in the codec context ? */
1068 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1069 nb = 2;
1070 else
1071 nb = 1;
1072
1073 for(i = 0; i < nb; i++) {
4bbe788a 1074 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
8b03c014
RD
1075 // start_display_time is required to be 0
1076 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1077 sub->end_display_time -= sub->start_display_time;
1078 sub->start_display_time = 0;
115329f1 1079 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
cf7fc795 1080 subtitle_out_max_size, sub);
266649a5
RD
1081 if (subtitle_out_size < 0) {
1082 fprintf(stderr, "Subtitle encoding failed\n");
639e4ec8 1083 ffmpeg_exit(1);
266649a5 1084 }
115329f1 1085
cf7fc795
FB
1086 av_init_packet(&pkt);
1087 pkt.stream_index = ost->index;
1088 pkt.data = subtitle_out;
1089 pkt.size = subtitle_out_size;
8b03c014 1090 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
cf7fc795
FB
1091 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1092 /* XXX: the pts correction is handled here. Maybe handling
1093 it in the codec would be better */
1094 if (i == 0)
1095 pkt.pts += 90 * sub->start_display_time;
1096 else
1097 pkt.pts += 90 * sub->end_display_time;
1098 }
0b6d358a 1099 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
cf7fc795
FB
1100 }
1101}
1102
8a6cb114 1103static int bit_buffer_size= 1024*256;
27537106 1104static uint8_t *bit_buffer= NULL;
1ff93ffc 1105
115329f1
DB
1106static void do_video_out(AVFormatContext *s,
1107 AVOutputStream *ost,
85f07f22 1108 AVInputStream *ist,
7a0f9d7e 1109 AVFrame *in_picture,
986ebcdb 1110 int *frame_size)
85f07f22 1111{
9aa797cd 1112 int nb_frames, i, ret, resample_changed;
f38d900f 1113 AVFrame *final_picture, *formatted_picture, *resampling_dst;
cfcf0ffd 1114 AVCodecContext *enc, *dec;
47b229db 1115 double sync_ipts;
115329f1 1116
01f4895c
MN
1117 enc = ost->st->codec;
1118 dec = ist->st->codec;
85f07f22 1119
47b229db
AS
1120 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1121
ec5517d5
FB
1122 /* by default, we output a single frame */
1123 nb_frames = 1;
1124
204c0f48
PG
1125 *frame_size = 0;
1126
9ff261a2 1127 if(video_sync_method){
d55065a2 1128 double vdelta = sync_ipts - ost->sync_opts;
e928649b
MN
1129 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1130 if (vdelta < -1.1)
1131 nb_frames = 0;
e6fdc2b1
MN
1132 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1133 if(vdelta<=-0.6){
1134 nb_frames=0;
1135 }else if(vdelta>0.6)
7f48bfa1 1136 ost->sync_opts= lrintf(sync_ipts);
e6fdc2b1 1137 }else if (vdelta > 1.1)
70122f29 1138 nb_frames = lrintf(vdelta);
fc6765d7 1139//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
1140 if (nb_frames == 0){
1141 ++nb_frames_drop;
1142 if (verbose>2)
1143 fprintf(stderr, "*** drop!\n");
8300609b 1144 }else if (nb_frames > 1) {
ed30e518 1145 nb_frames_dup += nb_frames - 1;
50c3dd32 1146 if (verbose>2)
8300609b 1147 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
50c3dd32
MN
1148 }
1149 }else
47b229db 1150 ost->sync_opts= lrintf(sync_ipts);
445f1b83 1151
72415b2a 1152 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
115329f1 1153 if (nb_frames <= 0)
85f07f22 1154 return;
ce7c56c2 1155
46847a33 1156 formatted_picture = in_picture;
07d0cdfc 1157 final_picture = formatted_picture;
07d0cdfc 1158 resampling_dst = &ost->pict_tmp;
07d0cdfc 1159
9aa797cd
SS
1160 resample_changed = ost->resample_width != dec->width ||
1161 ost->resample_height != dec->height ||
1162 ost->resample_pix_fmt != dec->pix_fmt;
1163
1164 if (resample_changed) {
2ecc5b70
SS
1165 av_log(NULL, AV_LOG_INFO,
1166 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
d2bc4da1 1167 ist->file_index, ist->st->index,
c29c2eea
SS
1168 ost->resample_width, ost->resample_height, avcodec_get_pix_fmt_name(ost->resample_pix_fmt),
1169 dec->width , dec->height , avcodec_get_pix_fmt_name(dec->pix_fmt));
b83ccbff 1170 if(!ost->video_resample)
639e4ec8 1171 ffmpeg_exit(1);
b83ccbff
MN
1172 }
1173
46847a33 1174#if !CONFIG_AVFILTER
85f07f22 1175 if (ost->video_resample) {
34b10a57 1176 final_picture = &ost->pict_tmp;
9aa797cd 1177 if (resample_changed) {
352666c1
EB
1178 /* initialize a new scaler context */
1179 sws_freeContext(ost->img_resample_ctx);
352666c1 1180 ost->img_resample_ctx = sws_getContext(
5879ea6d
SS
1181 ist->st->codec->width,
1182 ist->st->codec->height,
352666c1 1183 ist->st->codec->pix_fmt,
0c22311b
MN
1184 ost->st->codec->width,
1185 ost->st->codec->height,
352666c1 1186 ost->st->codec->pix_fmt,
1435f2fa 1187 ost->sws_flags, NULL, NULL, NULL);
352666c1
EB
1188 if (ost->img_resample_ctx == NULL) {
1189 fprintf(stderr, "Cannot get resampling context\n");
639e4ec8 1190 ffmpeg_exit(1);
352666c1
EB
1191 }
1192 }
18a54b04
LA
1193 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1194 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
f122deb4 1195 }
46847a33 1196#endif
07d0cdfc 1197
85f07f22 1198 /* duplicates frame if needed */
ec5517d5 1199 for(i=0;i<nb_frames;i++) {
e928649b
MN
1200 AVPacket pkt;
1201 av_init_packet(&pkt);
1202 pkt.stream_index= ost->index;
1203
e8750b00
FR
1204 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1205 /* raw pictures are written as AVPicture structure to
1206 avoid any copies. We support temorarily the older
1207 method. */
2744ca9a 1208 AVFrame* old_frame = enc->coded_frame;
bb270c08 1209 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
e928649b
MN
1210 pkt.data= (uint8_t *)final_picture;
1211 pkt.size= sizeof(AVPicture);
b4dba580 1212 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
cc947f04 1213 pkt.flags |= AV_PKT_FLAG_KEY;
e928649b 1214
0b6d358a 1215 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
bb270c08 1216 enc->coded_frame = old_frame;
e8750b00 1217 } else {
492cd3a9 1218 AVFrame big_picture;
a4d36c11
MN
1219
1220 big_picture= *final_picture;
7a0f9d7e
FB
1221 /* better than nothing: use input picture interlaced
1222 settings */
1223 big_picture.interlaced_frame = in_picture->interlaced_frame;
648e55ff 1224 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
bb198e19
MN
1225 if(top_field_first == -1)
1226 big_picture.top_field_first = in_picture->top_field_first;
1227 else
2a8edc5d 1228 big_picture.top_field_first = top_field_first;
bb198e19 1229 }
7a0f9d7e 1230
85f07f22
FB
1231 /* handles sameq here. This is not correct because it may
1232 not be a global option */
f62c025a 1233 big_picture.quality = same_quality ? ist->st->quality : ost->st->quality;
f4f3223f
MN
1234 if(!me_threshold)
1235 big_picture.pict_type = 0;
50c3dd32 1236// big_picture.pts = AV_NOPTS_VALUE;
c0df9d75
MN
1237 big_picture.pts= ost->sync_opts;
1238// big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
949b1a13 1239//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
4ad08021
NG
1240 if (ost->forced_kf_index < ost->forced_kf_count &&
1241 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
975a1447 1242 big_picture.pict_type = AV_PICTURE_TYPE_I;
4ad08021
NG
1243 ost->forced_kf_index++;
1244 }
115329f1 1245 ret = avcodec_encode_video(enc,
8a6cb114 1246 bit_buffer, bit_buffer_size,
1e491e29 1247 &big_picture);
95af5e1c 1248 if (ret < 0) {
4156a436 1249 fprintf(stderr, "Video encoding failed\n");
639e4ec8 1250 ffmpeg_exit(1);
4156a436 1251 }
54e28a85 1252
4bbc6260 1253 if(ret>0){
27537106 1254 pkt.data= bit_buffer;
e928649b 1255 pkt.size= ret;
e6b4e4ff 1256 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
c0df9d75 1257 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
949b1a13 1258/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
c0df9d75
MN
1259 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1260 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
50c3dd32 1261
e6b4e4ff 1262 if(enc->coded_frame->key_frame)
cc947f04 1263 pkt.flags |= AV_PKT_FLAG_KEY;
0b6d358a 1264 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
e928649b 1265 *frame_size = ret;
44eb047a 1266 video_size += ret;
54e28a85
BC
1267 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1268 // enc->frame_number-1, ret, enc->pict_type);
e928649b
MN
1269 /* if two pass, output log */
1270 if (ost->logfile && enc->stats_out) {
1271 fprintf(ost->logfile, "%s", enc->stats_out);
1272 }
5abdb4b1 1273 }
85f07f22 1274 }
50c3dd32 1275 ost->sync_opts++;
ec5517d5 1276 ost->frame_number++;
85f07f22
FB
1277 }
1278}
1279
140cb663 1280static double psnr(double d){
b29f97d1 1281 return -10.0*log(d)/log(10.0);
140cb663
MN
1282}
1283
115329f1 1284static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
ec5517d5 1285 int frame_size)
ce7c56c2 1286{
ce7c56c2
J
1287 AVCodecContext *enc;
1288 int frame_number;
ce7c56c2 1289 double ti1, bitrate, avg_bitrate;
115329f1 1290
b60d1379 1291 /* this is executed just the first time do_video_stats is called */
032aa7df
SS
1292 if (!vstats_file) {
1293 vstats_file = fopen(vstats_filename, "w");
1294 if (!vstats_file) {
4bd0c2b1 1295 perror("fopen");
639e4ec8 1296 ffmpeg_exit(1);
4bd0c2b1
BF
1297 }
1298 }
1299
01f4895c 1300 enc = ost->st->codec;
72415b2a 1301 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
ec5517d5 1302 frame_number = ost->frame_number;
032aa7df 1303 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
140cb663 1304 if (enc->flags&CODEC_FLAG_PSNR)
032aa7df 1305 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
115329f1 1306
032aa7df 1307 fprintf(vstats_file,"f_size= %6d ", frame_size);
ec5517d5 1308 /* compute pts value */
c0df9d75 1309 ti1 = ost->sync_opts * av_q2d(enc->time_base);
ce7c56c2
J
1310 if (ti1 < 0.01)
1311 ti1 = 0.01;
115329f1 1312
c0df9d75 1313 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1008ceb3 1314 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
032aa7df 1315 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1008ceb3 1316 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
6209669d 1317 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
ce7c56c2 1318 }
ec5517d5
FB
1319}
1320
b29f97d1 1321static void print_report(AVFormatContext **output_files,
bb270c08
DB
1322 AVOutputStream **ost_table, int nb_ostreams,
1323 int is_last_report)
ec5517d5
FB
1324{
1325 char buf[1024];
1326 AVOutputStream *ost;
b5ee9c23 1327 AVFormatContext *oc;
0c1a9eda 1328 int64_t total_size;
ec5517d5
FB
1329 AVCodecContext *enc;
1330 int frame_number, vid, i;
1331 double bitrate, ti1, pts;
0c1a9eda 1332 static int64_t last_time = -1;
0888fd22 1333 static int qp_histogram[52];
115329f1 1334
ec5517d5 1335 if (!is_last_report) {
0c1a9eda 1336 int64_t cur_time;
ec5517d5
FB
1337 /* display the report every 0.5 seconds */
1338 cur_time = av_gettime();
1339 if (last_time == -1) {
1340 last_time = cur_time;
1341 return;
115329f1 1342 }
ec5517d5
FB
1343 if ((cur_time - last_time) < 500000)
1344 return;
1345 last_time = cur_time;
1346 }
1347
ce7c56c2 1348
ec5517d5
FB
1349 oc = output_files[0];
1350
76aa876e
AK
1351 total_size = avio_size(oc->pb);
1352 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
a2704c97 1353 total_size= avio_tell(oc->pb);
115329f1 1354
ec5517d5
FB
1355 buf[0] = '\0';
1356 ti1 = 1e10;
1357 vid = 0;
1358 for(i=0;i<nb_ostreams;i++) {
5da116a3 1359 float q = -1;
ec5517d5 1360 ost = ost_table[i];
01f4895c 1361 enc = ost->st->codec;
5da116a3
MN
1362 if (!ost->st->stream_copy && enc->coded_frame)
1363 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
72415b2a 1364 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
5da116a3 1365 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
10d104e4 1366 }
72415b2a 1367 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
7fc98937
LW
1368 float t = (av_gettime()-timer_start) / 1000000.0;
1369
ec5517d5 1370 frame_number = ost->frame_number;
7fc98937 1371 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
5da116a3 1372 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
890972be 1373 if(is_last_report)
0ecca7a4 1374 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
e6b4e4ff 1375 if(qp_hist){
0888fd22 1376 int j;
5da116a3 1377 int qp = lrintf(q);
37d3e066 1378 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
0888fd22
MN
1379 qp_histogram[qp]++;
1380 for(j=0; j<32; j++)
1381 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1382 }
890972be
MN
1383 if (enc->flags&CODEC_FLAG_PSNR){
1384 int j;
1385 double error, error_sum=0;
1386 double scale, scale_sum=0;
1387 char type[3]= {'Y','U','V'};
0ecca7a4 1388 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
890972be
MN
1389 for(j=0; j<3; j++){
1390 if(is_last_report){
1391 error= enc->error[j];
1392 scale= enc->width*enc->height*255.0*255.0*frame_number;
1393 }else{
1394 error= enc->coded_frame->error[j];
1395 scale= enc->width*enc->height*255.0*255.0;
1396 }
1397 if(j) scale/=4;
1398 error_sum += error;
1399 scale_sum += scale;
0ecca7a4 1400 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
890972be 1401 }
0ecca7a4 1402 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
890972be 1403 }
ec5517d5
FB
1404 vid = 1;
1405 }
1406 /* compute min output value */
43924f01 1407 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
5d9827bc 1408 if ((pts < ti1) && (pts > 0))
ec5517d5
FB
1409 ti1 = pts;
1410 }
1411 if (ti1 < 0.01)
1412 ti1 = 0.01;
115329f1 1413
d1991f51 1414 if (verbose > 0 || is_last_report) {
f068206e 1415 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
115329f1
DB
1416
1417 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
475f4d8d 1418 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
ec5517d5 1419 (double)total_size / 1024, ti1, bitrate);
a6a92a9a 1420
0f649d66 1421 if (nb_frames_dup || nb_frames_drop)
bb270c08
DB
1422 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1423 nb_frames_dup, nb_frames_drop);
115329f1 1424
d8019eb5
AD
1425 if (verbose >= 0)
1426 fprintf(stderr, "%s \r", buf);
1427
ec5517d5
FB
1428 fflush(stderr);
1429 }
115329f1 1430
1008ceb3
MN
1431 if (is_last_report && verbose >= 0){
1432 int64_t raw= audio_size + video_size + extra_size;
f068206e 1433 fprintf(stderr, "\n");
1008ceb3
MN
1434 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1435 video_size/1024.0,
1436 audio_size/1024.0,
1437 extra_size/1024.0,
1438 100.0*(total_size - raw)/raw
1439 );
1440 }
ce7c56c2
J
1441}
1442
14cf0fd2
AC
1443static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1444{
1445 int fill_char = 0x00;
1446 if (sample_fmt == AV_SAMPLE_FMT_U8)
1447 fill_char = 0x80;
1448 memset(buf, fill_char, size);
1449}
1450
a700a6ae
FB
1451/* pkt = NULL means EOF (needed to flush decoder buffers) */
1452static int output_packet(AVInputStream *ist, int ist_index,
1453 AVOutputStream **ost_table, int nb_ostreams,
4b85a28f 1454 const AVPacket *pkt)
a700a6ae
FB
1455{
1456 AVFormatContext *os;
1457 AVOutputStream *ost;
ede0e475 1458 int ret, i;
cb48fdf6 1459 int got_output;
a700a6ae 1460 AVFrame picture;
3fd62c6e 1461 void *buffer_to_free = NULL;
f038fe8b 1462 static unsigned int samples_size= 0;
cf7fc795 1463 AVSubtitle subtitle, *subtitle_to_free;
0ff4f0c0 1464 int64_t pkt_pts = AV_NOPTS_VALUE;
46847a33 1465#if CONFIG_AVFILTER
d21f58b5 1466 int frame_available;
46847a33
MN
1467#endif
1468
ede0e475 1469 AVPacket avpkt;
ba7d6e79 1470 int bps = av_get_bits_per_sample_fmt(ist->st->codec->sample_fmt)>>3;
ede0e475 1471
ed923859
MN
1472 if(ist->next_pts == AV_NOPTS_VALUE)
1473 ist->next_pts= ist->pts;
1474
a700a6ae
FB
1475 if (pkt == NULL) {
1476 /* EOF handling */
031e14ea 1477 av_init_packet(&avpkt);
ede0e475
TB
1478 avpkt.data = NULL;
1479 avpkt.size = 0;
a700a6ae 1480 goto handle_eof;
031e14ea
TB
1481 } else {
1482 avpkt = *pkt;
a700a6ae
FB
1483 }
1484
b1b818fc
MN
1485 if(pkt->dts != AV_NOPTS_VALUE)
1486 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
0ff4f0c0
AS
1487 if(pkt->pts != AV_NOPTS_VALUE)
1488 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
b1b818fc 1489
bd6754aa 1490 //while we have more to decode or while the decoder did output something on EOF
cb48fdf6 1491 while (avpkt.size > 0 || (!pkt && got_output)) {
036c1382
MN
1492 uint8_t *data_buf, *decoded_data_buf;
1493 int data_size, decoded_data_size;
a700a6ae 1494 handle_eof:
b1b818fc 1495 ist->pts= ist->next_pts;
19d5da50 1496
d859bb1d 1497 if(avpkt.size && avpkt.size != pkt->size &&
6e2fdc3e 1498 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
40cb57a2 1499 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
3ff0daf0
MN
1500 ist->showed_multi_packet_warning=1;
1501 }
40cb57a2 1502
a700a6ae 1503 /* decode the packet if needed */
036c1382
MN
1504 decoded_data_buf = NULL; /* fail safe */
1505 decoded_data_size= 0;
1506 data_buf = avpkt.data;
1507 data_size = avpkt.size;
cf7fc795 1508 subtitle_to_free = NULL;
a700a6ae 1509 if (ist->decoding_needed) {
01f4895c 1510 switch(ist->st->codec->codec_type) {
72415b2a 1511 case AVMEDIA_TYPE_AUDIO:{
81b060fa
LM
1512 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1513 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1514 av_free(samples);
1515 samples= av_malloc(samples_size);
1516 }
036c1382 1517 decoded_data_size= samples_size;
a700a6ae
FB
1518 /* XXX: could avoid copy if PCM 16 bits with same
1519 endianness as CPU */
036c1382 1520 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
ede0e475 1521 &avpkt);
a700a6ae
FB
1522 if (ret < 0)
1523 goto fail_decode;
ede0e475
TB
1524 avpkt.data += ret;
1525 avpkt.size -= ret;
036c1382 1526 data_size = ret;
cb48fdf6 1527 got_output = decoded_data_size > 0;
a700a6ae 1528 /* Some bug in mpeg audio decoder gives */
036c1382 1529 /* decoded_data_size < 0, it seems they are overflows */
cb48fdf6 1530 if (!got_output) {
a700a6ae
FB
1531 /* no audio frame */
1532 continue;
1533 }
036c1382
MN
1534 decoded_data_buf = (uint8_t *)samples;
1535 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
01f4895c 1536 (ist->st->codec->sample_rate * ist->st->codec->channels);
df84ac2e 1537 break;}
72415b2a 1538 case AVMEDIA_TYPE_VIDEO:
036c1382 1539 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
a700a6ae 1540 /* XXX: allocate picture correctly */
9740beff 1541 avcodec_get_frame_defaults(&picture);
6b474953
AS
1542 avpkt.pts = pkt_pts;
1543 avpkt.dts = ist->pts;
0ff4f0c0 1544 pkt_pts = AV_NOPTS_VALUE;
9740beff 1545
ede0e475 1546 ret = avcodec_decode_video2(ist->st->codec,
cb48fdf6 1547 &picture, &got_output, &avpkt);
a700a6ae 1548 ist->st->quality= picture.quality;
115329f1 1549 if (ret < 0)
a700a6ae 1550 goto fail_decode;
cb48fdf6 1551 if (!got_output) {
a700a6ae
FB
1552 /* no picture yet */
1553 goto discard_packet;
1554 }
6b474953 1555 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
01f4895c 1556 if (ist->st->codec->time_base.num != 0) {
3797c74b 1557 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
115329f1 1558 ist->next_pts += ((int64_t)AV_TIME_BASE *
34583e1b 1559 ist->st->codec->time_base.num * ticks) /
01f4895c 1560 ist->st->codec->time_base.den;
a700a6ae 1561 }
ede0e475 1562 avpkt.size = 0;
3fd62c6e
SS
1563 buffer_to_free = NULL;
1564 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
a700a6ae 1565 break;
72415b2a 1566 case AVMEDIA_TYPE_SUBTITLE:
ede0e475 1567 ret = avcodec_decode_subtitle2(ist->st->codec,
cb48fdf6 1568 &subtitle, &got_output, &avpkt);
cf7fc795 1569 if (ret < 0)
a700a6ae 1570 goto fail_decode;
cb48fdf6 1571 if (!got_output) {
cf7fc795 1572 goto discard_packet;
a700a6ae 1573 }
cf7fc795 1574 subtitle_to_free = &subtitle;
ede0e475 1575 avpkt.size = 0;
cf7fc795
FB
1576 break;
1577 default:
1578 goto fail_decode;
1579 }
1580 } else {
bde0705c 1581 switch(ist->st->codec->codec_type) {
72415b2a 1582 case AVMEDIA_TYPE_AUDIO:
bde0705c 1583 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1c715415 1584 ist->st->codec->sample_rate;
bde0705c 1585 break;
72415b2a 1586 case AVMEDIA_TYPE_VIDEO:
bde0705c 1587 if (ist->st->codec->time_base.num != 0) {
3797c74b 1588 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
bde0705c 1589 ist->next_pts += ((int64_t)AV_TIME_BASE *
34583e1b 1590 ist->st->codec->time_base.num * ticks) /
bde0705c 1591 ist->st->codec->time_base.den;
2fef0bdf 1592 }
bde0705c 1593 break;
a700a6ae 1594 }
ede0e475
TB
1595 ret = avpkt.size;
1596 avpkt.size = 0;
bde0705c 1597 }
a700a6ae 1598
46847a33 1599#if CONFIG_AVFILTER
9d5fa618
MN
1600 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1601 for (i = 0; i < nb_ostreams; i++) {
1602 ost = ost_table[i];
1603 if (ost->input_video_filter && ost->source_index == ist_index) {
1604 AVRational sar;
1605 if (ist->st->sample_aspect_ratio.num)
1606 sar = ist->st->sample_aspect_ratio;
1607 else
1608 sar = ist->st->codec->sample_aspect_ratio;
1609 // add it to be filtered
1610 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture,
1611 ist->pts,
1612 sar);
1613 }
1614 }
46847a33
MN
1615 }
1616#endif
1617
bde0705c 1618 // preprocess audio (volume)
72415b2a 1619 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
bde0705c
LW
1620 if (audio_volume != 256) {
1621 short *volp;
1622 volp = samples;
036c1382 1623 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
bde0705c
LW
1624 int v = ((*volp) * audio_volume + 128) >> 8;
1625 if (v < -32768) v = -32768;
1626 if (v > 32767) v = 32767;
1627 *volp++ = v;
7e987c33
C
1628 }
1629 }
bde0705c 1630 }
7e987c33 1631
bde0705c 1632 /* frame rate emulation */
3a25ca18 1633 if (rate_emu) {
cb103a19 1634 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
bde0705c
LW
1635 int64_t now = av_gettime() - ist->start;
1636 if (pts > now)
1637 usleep(pts - now);
bde0705c 1638 }
bde0705c
LW
1639 /* if output time reached then transcode raw format,
1640 encode packets and output them */
1641 if (start_time == 0 || ist->pts >= start_time)
1642 for(i=0;i<nb_ostreams;i++) {
1643 int frame_size;
a700a6ae 1644
bde0705c
LW
1645 ost = ost_table[i];
1646 if (ost->source_index == ist_index) {
9d5fa618
MN
1647#if CONFIG_AVFILTER
1648 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1649 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1650 while (frame_available) {
1651 AVRational ist_pts_tb;
1652 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1653 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1654 if (ost->picref)
1655 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1656#endif
bde0705c 1657 os = output_files[ost->file_index];
a700a6ae 1658
bde0705c
LW
1659 /* set the input output pts pairs */
1660 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1661
1662 if (ost->encoding_needed) {
b926b628 1663 av_assert0(ist->decoding_needed);
bde0705c 1664 switch(ost->st->codec->codec_type) {
72415b2a 1665 case AVMEDIA_TYPE_AUDIO:
036c1382 1666 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
bde0705c 1667 break;
72415b2a 1668 case AVMEDIA_TYPE_VIDEO:
46847a33 1669#if CONFIG_AVFILTER
901ff511 1670 if (ost->picref->video && !ost->frame_aspect_ratio)
9d5fa618 1671 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
46847a33 1672#endif
bde0705c 1673 do_video_out(os, ost, ist, &picture, &frame_size);
b60d1379 1674 if (vstats_filename && frame_size)
bde0705c
LW
1675 do_video_stats(os, ost, frame_size);
1676 break;
72415b2a 1677 case AVMEDIA_TYPE_SUBTITLE:
bde0705c
LW
1678 do_subtitle_out(os, ost, ist, &subtitle,
1679 pkt->pts);
1680 break;
1681 default:
0f4e8165 1682 abort();
bde0705c
LW
1683 }
1684 } else {
1685 AVFrame avframe; //FIXME/XXX remove this
1686 AVPacket opkt;
cdf38a17
MN
1687 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1688
bde0705c
LW
1689 av_init_packet(&opkt);
1690
cc947f04 1691 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
9d5fa618 1692#if !CONFIG_AVFILTER
7cacf1e8 1693 continue;
9d5fa618
MN
1694#else
1695 goto cont;
1696#endif
7cacf1e8 1697
bde0705c
LW
1698 /* no reencoding needed : output the packet directly */
1699 /* force the input stream PTS */
1700
1701 avcodec_get_frame_defaults(&avframe);
1702 ost->st->codec->coded_frame= &avframe;
cc947f04 1703 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
bde0705c 1704
72415b2a 1705 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
bde0705c 1706 audio_size += data_size;
72415b2a 1707 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
bde0705c
LW
1708 video_size += data_size;
1709 ost->sync_opts++;
1710 }
1711
1712 opkt.stream_index= ost->index;
1713 if(pkt->pts != AV_NOPTS_VALUE)
cdf38a17 1714 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
bde0705c
LW
1715 else
1716 opkt.pts= AV_NOPTS_VALUE;
1717
d2ce2f5e 1718 if (pkt->dts == AV_NOPTS_VALUE)
181782ae 1719 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
d2ce2f5e
BC
1720 else
1721 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
cdf38a17 1722 opkt.dts -= ost_tb_start_time;
c0dd7b7c 1723
a03d59b7 1724 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
bde0705c
LW
1725 opkt.flags= pkt->flags;
1726
1727 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
5bfe91e6
MN
1728 if( ost->st->codec->codec_id != CODEC_ID_H264
1729 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1730 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1731 ) {
cc947f04 1732 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 1733 opkt.destruct= av_destruct_packet;
d310d56a
BC
1734 } else {
1735 opkt.data = data_buf;
1736 opkt.size = data_size;
1737 }
bde0705c 1738
0b6d358a 1739 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
bde0705c
LW
1740 ost->st->codec->frame_number++;
1741 ost->frame_number++;
1742 av_free_packet(&opkt);
a700a6ae 1743 }
9d5fa618
MN
1744#if CONFIG_AVFILTER
1745 cont:
1746 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1747 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1748 if (ost->picref)
1749 avfilter_unref_buffer(ost->picref);
1750 }
1751#endif
a700a6ae 1752 }
bde0705c 1753 }
46847a33 1754
bde0705c
LW
1755 av_free(buffer_to_free);
1756 /* XXX: allocate the subtitles in the codec ? */
1757 if (subtitle_to_free) {
1d6233d3 1758 avsubtitle_free(subtitle_to_free);
bde0705c 1759 subtitle_to_free = NULL;
a700a6ae 1760 }
bde0705c 1761 }
a700a6ae 1762 discard_packet:
6f824977
MN
1763 if (pkt == NULL) {
1764 /* EOF handling */
115329f1 1765
6f824977
MN
1766 for(i=0;i<nb_ostreams;i++) {
1767 ost = ost_table[i];
1768 if (ost->source_index == ist_index) {
01f4895c 1769 AVCodecContext *enc= ost->st->codec;
6f824977 1770 os = output_files[ost->file_index];
115329f1 1771
72415b2a 1772 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
6f824977 1773 continue;
72415b2a 1774 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
6f824977
MN
1775 continue;
1776
1777 if (ost->encoding_needed) {
1778 for(;;) {
1779 AVPacket pkt;
cef7cc72 1780 int fifo_bytes;
6f824977
MN
1781 av_init_packet(&pkt);
1782 pkt.stream_index= ost->index;
115329f1 1783
01f4895c 1784 switch(ost->st->codec->codec_type) {
72415b2a 1785 case AVMEDIA_TYPE_AUDIO:
41dd680d 1786 fifo_bytes = av_fifo_size(ost->fifo);
cef7cc72
JR
1787 ret = 0;
1788 /* encode any samples remaining in fifo */
b10d7e4e 1789 if (fifo_bytes > 0) {
ba7d6e79 1790 int osize = av_get_bits_per_sample_fmt(enc->sample_fmt) >> 3;
cef7cc72 1791 int fs_tmp = enc->frame_size;
b10d7e4e 1792
79c85beb 1793 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
b10d7e4e
BC
1794 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1795 enc->frame_size = fifo_bytes / (osize * enc->channels);
1796 } else { /* pad */
1797 int frame_bytes = enc->frame_size*osize*enc->channels;
79c85beb 1798 if (allocated_audio_buf_size < frame_bytes)
639e4ec8 1799 ffmpeg_exit(1);
14cf0fd2 1800 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
b10d7e4e
BC
1801 }
1802
79c85beb 1803 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
7c8689ef
BC
1804 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1805 ost->st->time_base.num, enc->sample_rate);
cef7cc72 1806 enc->frame_size = fs_tmp;
9e0db7d5
MN
1807 }
1808 if(ret <= 0) {
cef7cc72
JR
1809 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1810 }
528271ff
MN
1811 if (ret < 0) {
1812 fprintf(stderr, "Audio encoding failed\n");
639e4ec8 1813 ffmpeg_exit(1);
528271ff 1814 }
6f824977 1815 audio_size += ret;
cc947f04 1816 pkt.flags |= AV_PKT_FLAG_KEY;
6f824977 1817 break;
72415b2a 1818 case AVMEDIA_TYPE_VIDEO:
8a6cb114 1819 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
528271ff
MN
1820 if (ret < 0) {
1821 fprintf(stderr, "Video encoding failed\n");
639e4ec8 1822 ffmpeg_exit(1);
528271ff 1823 }
6f824977
MN
1824 video_size += ret;
1825 if(enc->coded_frame && enc->coded_frame->key_frame)
cc947f04 1826 pkt.flags |= AV_PKT_FLAG_KEY;
6f824977
MN
1827 if (ost->logfile && enc->stats_out) {
1828 fprintf(ost->logfile, "%s", enc->stats_out);
1829 }
1830 break;
1831 default:
1832 ret=-1;
1833 }
115329f1 1834
6f824977
MN
1835 if(ret<=0)
1836 break;
27537106 1837 pkt.data= bit_buffer;
6f824977 1838 pkt.size= ret;
e7902f20 1839 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
c0df9d75 1840 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
0b6d358a 1841 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
6f824977
MN
1842 }
1843 }
1844 }
1845 }
1846 }
115329f1 1847
a700a6ae
FB
1848 return 0;
1849 fail_decode:
1850 return -1;
1851}
1852
6d1ba1ac
LA
1853static void print_sdp(AVFormatContext **avc, int n)
1854{
1855 char sdp[2048];
1856
c3675dfe 1857 av_sdp_create(avc, n, sdp, sizeof(sdp));
6d1ba1ac 1858 printf("SDP:\n%s\n", sdp);
536cd1db 1859 fflush(stdout);
6d1ba1ac 1860}
a700a6ae 1861
7a39f142
AK
1862static int copy_chapters(int infile, int outfile)
1863{
1864 AVFormatContext *is = input_files[infile];
1865 AVFormatContext *os = output_files[outfile];
1866 int i;
1867
1868 for (i = 0; i < is->nb_chapters; i++) {
1869 AVChapter *in_ch = is->chapters[i], *out_ch;
7a39f142
AK
1870 int64_t ts_off = av_rescale_q(start_time - input_files_ts_offset[infile],
1871 AV_TIME_BASE_Q, in_ch->time_base);
1872 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
1873 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
1874
1875
1876 if (in_ch->end < ts_off)
1877 continue;
1878 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
1879 break;
1880
1881 out_ch = av_mallocz(sizeof(AVChapter));
1882 if (!out_ch)
1883 return AVERROR(ENOMEM);
1884
1885 out_ch->id = in_ch->id;
1886 out_ch->time_base = in_ch->time_base;
1887 out_ch->start = FFMAX(0, in_ch->start - ts_off);
1888 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
1889
d0abe80a 1890 if (metadata_chapters_autocopy)
7f88a5bf 1891 av_metadata_copy(&out_ch->metadata, in_ch->metadata, 0);
7a39f142
AK
1892
1893 os->nb_chapters++;
1894 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
1895 if (!os->chapters)
1896 return AVERROR(ENOMEM);
1897 os->chapters[os->nb_chapters - 1] = out_ch;
1898 }
1899 return 0;
1900}
1901
4ad08021
NG
1902static void parse_forced_key_frames(char *kf, AVOutputStream *ost,
1903 AVCodecContext *avctx)
1904{
1905 char *p;
1906 int n = 1, i;
1907 int64_t t;
1908
1909 for (p = kf; *p; p++)
1910 if (*p == ',')
1911 n++;
1912 ost->forced_kf_count = n;
1913 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1914 if (!ost->forced_kf_pts) {
1915 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1916 ffmpeg_exit(1);
1917 }
1918 for (i = 0; i < n; i++) {
1919 p = i ? strchr(p, ',') + 1 : kf;
1920 t = parse_time_or_die("force_key_frames", p, 1);
1921 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1922 }
1923}
1924
85f07f22
FB
1925/*
1926 * The following code is the main loop of the file converter
1927 */
3aace1bc 1928static int transcode(AVFormatContext **output_files,
065a20cb
SS
1929 int nb_output_files,
1930 AVFormatContext **input_files,
1931 int nb_input_files,
1932 AVStreamMap *stream_maps, int nb_stream_maps)
85f07f22 1933{
002c95d7 1934 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
85f07f22
FB
1935 AVFormatContext *is, *os;
1936 AVCodecContext *codec, *icodec;
1937 AVOutputStream *ost, **ost_table = NULL;
1938 AVInputStream *ist, **ist_table = NULL;
bdc4796f 1939 AVInputFile *file_table;
002c95d7 1940 char error[1024];
6d1ba1ac 1941 int want_sdp = 1;
545465ec
MN
1942 uint8_t no_packet[MAX_FILES]={0};
1943 int no_packet_count=0;
bdc4796f 1944
90901860 1945 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
bdc4796f
FB
1946 if (!file_table)
1947 goto fail;
115329f1 1948
85f07f22
FB
1949 /* input stream init */
1950 j = 0;
1951 for(i=0;i<nb_input_files;i++) {
1952 is = input_files[i];
1953 file_table[i].ist_index = j;
79fdaa4c 1954 file_table[i].nb_streams = is->nb_streams;
85f07f22
FB
1955 j += is->nb_streams;
1956 }
1957 nb_istreams = j;
1958
1959 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1960 if (!ist_table)
bdc4796f 1961 goto fail;
115329f1 1962
85f07f22
FB
1963 for(i=0;i<nb_istreams;i++) {
1964 ist = av_mallocz(sizeof(AVInputStream));
1965 if (!ist)
1966 goto fail;
1967 ist_table[i] = ist;
1968 }
1969 j = 0;
1970 for(i=0;i<nb_input_files;i++) {
1971 is = input_files[i];
1972 for(k=0;k<is->nb_streams;k++) {
1973 ist = ist_table[j++];
1974 ist->st = is->streams[k];
1975 ist->file_index = i;
85f07f22
FB
1976 ist->discard = 1; /* the stream is discarded by default
1977 (changed later) */
bdfcbbed 1978
3a25ca18 1979 if (rate_emu) {
bdfcbbed 1980 ist->start = av_gettime();
bdfcbbed 1981 }
85f07f22
FB
1982 }
1983 }
1984
1985 /* output stream init */
1986 nb_ostreams = 0;
1987 for(i=0;i<nb_output_files;i++) {
1988 os = output_files[i];
bb62d5c1 1989 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
610219a5 1990 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
fc5d0db5 1991 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
d62ccec8
JM
1992 ret = AVERROR(EINVAL);
1993 goto fail;
8a7bde1c 1994 }
85f07f22
FB
1995 nb_ostreams += os->nb_streams;
1996 }
1997 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1998 fprintf(stderr, "Number of stream maps must match number of output streams\n");
d62ccec8
JM
1999 ret = AVERROR(EINVAL);
2000 goto fail;
85f07f22
FB
2001 }
2002
bd073980
BF
2003 /* Sanity check the mapping args -- do the input files & streams exist? */
2004 for(i=0;i<nb_stream_maps;i++) {
2005 int fi = stream_maps[i].file_index;
2006 int si = stream_maps[i].stream_index;
115329f1 2007
bd073980
BF
2008 if (fi < 0 || fi > nb_input_files - 1 ||
2009 si < 0 || si > file_table[fi].nb_streams - 1) {
2010 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
d62ccec8
JM
2011 ret = AVERROR(EINVAL);
2012 goto fail;
bd073980 2013 }
b4a3389e
WG
2014 fi = stream_maps[i].sync_file_index;
2015 si = stream_maps[i].sync_stream_index;
2016 if (fi < 0 || fi > nb_input_files - 1 ||
2017 si < 0 || si > file_table[fi].nb_streams - 1) {
2018 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
d62ccec8
JM
2019 ret = AVERROR(EINVAL);
2020 goto fail;
b4a3389e 2021 }
bd073980 2022 }
115329f1 2023
85f07f22
FB
2024 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
2025 if (!ost_table)
2026 goto fail;
85f07f22
FB
2027 n = 0;
2028 for(k=0;k<nb_output_files;k++) {
2029 os = output_files[k];
de427ff4 2030 for(i=0;i<os->nb_streams;i++,n++) {
85f07f22 2031 int found;
9fdf4b58 2032 ost = ost_table[n] = output_streams_for_file[k][i];
85f07f22
FB
2033 ost->st = os->streams[i];
2034 if (nb_stream_maps > 0) {
de427ff4
SS
2035 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
2036 stream_maps[n].stream_index;
115329f1 2037
bd073980 2038 /* Sanity check that the stream types match */
01f4895c 2039 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
150d5a25 2040 int i= ost->file_index;
610219a5 2041 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
bd073980 2042 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
de427ff4 2043 stream_maps[n].file_index, stream_maps[n].stream_index,
bd073980 2044 ost->file_index, ost->index);
639e4ec8 2045 ffmpeg_exit(1);
bd073980 2046 }
115329f1 2047
85f07f22 2048 } else {
247e3954 2049 int best_nb_frames=-1;
3f1710e7
RP
2050 /* get corresponding input stream index : we select the first one with the right type */
2051 found = 0;
2052 for(j=0;j<nb_istreams;j++) {
2053 int skip=0;
2054 ist = ist_table[j];
2055 if(opt_programid){
2056 int pi,si;
2057 AVFormatContext *f= input_files[ ist->file_index ];
2058 skip=1;
2059 for(pi=0; pi<f->nb_programs; pi++){
2060 AVProgram *p= f->programs[pi];
2061 if(p->id == opt_programid)
2062 for(si=0; si<p->nb_stream_indexes; si++){
2063 if(f->streams[ p->stream_index[si] ] == ist->st)
2064 skip=0;
2065 }
6d3d3b83 2066 }
3f1710e7
RP
2067 }
2068 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
2069 ist->st->codec->codec_type == ost->st->codec->codec_type) {
2070 if(best_nb_frames < ist->st->codec_info_nb_frames){
2071 best_nb_frames= ist->st->codec_info_nb_frames;
2072 ost->source_index = j;
2073 found = 1;
85f07f22
FB
2074 }
2075 }
3f1710e7 2076 }
a15bc651
NS
2077
2078 if (!found) {
2079 if(! opt_programid) {
2080 /* try again and reuse existing stream */
2081 for(j=0;j<nb_istreams;j++) {
2082 ist = ist_table[j];
6d3d3b83
MN
2083 if ( ist->st->codec->codec_type == ost->st->codec->codec_type
2084 && ist->st->discard != AVDISCARD_ALL) {
a15bc651
NS
2085 ost->source_index = j;
2086 found = 1;
2087 }
2088 }
50e143c4 2089 }
85f07f22 2090 if (!found) {
462cca10 2091 int i= ost->file_index;
610219a5 2092 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
85f07f22
FB
2093 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
2094 ost->file_index, ost->index);
639e4ec8 2095 ffmpeg_exit(1);
85f07f22
FB
2096 }
2097 }
2098 }
2099 ist = ist_table[ost->source_index];
2100 ist->discard = 0;
b4a3389e 2101 ost->sync_ist = (nb_stream_maps > 0) ?
de427ff4
SS
2102 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
2103 stream_maps[n].sync_stream_index] : ist;
85f07f22
FB
2104 }
2105 }
2106
85f07f22
FB
2107 /* for each output stream, we compute the right encoding parameters */
2108 for(i=0;i<nb_ostreams;i++) {
2109 ost = ost_table[i];
365515ac 2110 os = output_files[ost->file_index];
85f07f22
FB
2111 ist = ist_table[ost->source_index];
2112
01f4895c
MN
2113 codec = ost->st->codec;
2114 icodec = ist->st->codec;
85f07f22 2115
d0abe80a 2116 if (metadata_streams_autocopy)
7f88a5bf
RB
2117 av_metadata_copy(&ost->st->metadata, ist->st->metadata,
2118 AV_METADATA_DONT_OVERWRITE);
8e0d882b 2119
90c2295b 2120 ost->st->disposition = ist->st->disposition;
a39b76ea 2121 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
de961801 2122 codec->chroma_sample_location = icodec->chroma_sample_location;
90c2295b 2123
1629626f 2124 if (ost->st->stream_copy) {
b659c8b4
LA
2125 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2126
2127 if (extra_size > INT_MAX)
2128 goto fail;
2129
1629626f
FB
2130 /* if stream_copy is selected, no need to decode or encode */
2131 codec->codec_id = icodec->codec_id;
2132 codec->codec_type = icodec->codec_type;
365515ac
MN
2133
2134 if(!codec->codec_tag){
2135 if( !os->oformat->codec_tag
37ce3d6b 2136 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
365515ac
MN
2137 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2138 codec->codec_tag = icodec->codec_tag;
2139 }
2140
1629626f 2141 codec->bit_rate = icodec->bit_rate;
2dec2bb8
MN
2142 codec->rc_max_rate = icodec->rc_max_rate;
2143 codec->rc_buffer_size = icodec->rc_buffer_size;
b659c8b4
LA
2144 codec->extradata= av_mallocz(extra_size);
2145 if (!codec->extradata)
2146 goto fail;
2147 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
dffbfd06 2148 codec->extradata_size= icodec->extradata_size;
59e2118e 2149 if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
d29de719 2150 codec->time_base = icodec->time_base;
3797c74b 2151 codec->time_base.num *= icodec->ticks_per_frame;
8abcbf2d
BC
2152 av_reduce(&codec->time_base.num, &codec->time_base.den,
2153 codec->time_base.num, codec->time_base.den, INT_MAX);
3797c74b 2154 }else
d29de719 2155 codec->time_base = ist->st->time_base;
1629626f 2156 switch(codec->codec_type) {
72415b2a 2157 case AVMEDIA_TYPE_AUDIO:
d08e3e91
RP
2158 if(audio_volume != 256) {
2159 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
639e4ec8 2160 ffmpeg_exit(1);
d08e3e91 2161 }
13367a46 2162 codec->channel_layout = icodec->channel_layout;
1629626f
FB
2163 codec->sample_rate = icodec->sample_rate;
2164 codec->channels = icodec->channels;
0a3b0447 2165 codec->frame_size = icodec->frame_size;
34b47d7c 2166 codec->audio_service_type = icodec->audio_service_type;
c1344911 2167 codec->block_align= icodec->block_align;
4efd6f58
MN
2168 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2169 codec->block_align= 0;
bcbd328e
MN
2170 if(codec->codec_id == CODEC_ID_AC3)
2171 codec->block_align= 0;
1629626f 2172 break;
72415b2a 2173 case AVMEDIA_TYPE_VIDEO:
9df3437f 2174 codec->pix_fmt = icodec->pix_fmt;
1629626f
FB
2175 codec->width = icodec->width;
2176 codec->height = icodec->height;
ff8cc24b 2177 codec->has_b_frames = icodec->has_b_frames;
901ff511
BC
2178 if (!codec->sample_aspect_ratio.num) {
2179 codec->sample_aspect_ratio =
2180 ost->st->sample_aspect_ratio =
2181 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2182 ist->st->codec->sample_aspect_ratio.num ?
2183 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2184 }
1629626f 2185 break;
72415b2a 2186 case AVMEDIA_TYPE_SUBTITLE:
d43b26ea
DC
2187 codec->width = icodec->width;
2188 codec->height = icodec->height;
cf7fc795 2189 break;
e3b540b4
LB
2190 case AVMEDIA_TYPE_DATA:
2191 break;
1629626f 2192 default:
0f4e8165 2193 abort();
1629626f
FB
2194 }
2195 } else {
2196 switch(codec->codec_type) {
72415b2a 2197 case AVMEDIA_TYPE_AUDIO:
41dd680d
MN
2198 ost->fifo= av_fifo_alloc(1024);
2199 if(!ost->fifo)
85f07f22 2200 goto fail;
5d6e4c16 2201 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2886f311
2202 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2203 icodec->request_channels = codec->channels;
85f07f22
FB
2204 ist->decoding_needed = 1;
2205 ost->encoding_needed = 1;
8afab686
SS
2206 ost->resample_sample_fmt = icodec->sample_fmt;
2207 ost->resample_sample_rate = icodec->sample_rate;
2208 ost->resample_channels = icodec->channels;
1629626f 2209 break;
72415b2a 2210 case AVMEDIA_TYPE_VIDEO:
761c8c92 2211 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
562f22a6 2212 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
639e4ec8 2213 ffmpeg_exit(1);
761c8c92 2214 }
2b95602e
SS
2215 ost->video_resample = codec->width != icodec->width ||
2216 codec->height != icodec->height ||
2217 codec->pix_fmt != icodec->pix_fmt;
c3f11d19 2218 if (ost->video_resample) {
8a774d3d 2219#if !CONFIG_AVFILTER
2de28abb 2220 avcodec_get_frame_defaults(&ost->pict_tmp);
9d58e0a9
BC
2221 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2222 codec->width, codec->height)) {
eddc482d 2223 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
639e4ec8 2224 ffmpeg_exit(1);
eddc482d 2225 }
18a54b04 2226 ost->img_resample_ctx = sws_getContext(
5879ea6d
SS
2227 icodec->width,
2228 icodec->height,
18a54b04 2229 icodec->pix_fmt,
0c22311b
MN
2230 codec->width,
2231 codec->height,
18a54b04 2232 codec->pix_fmt,
1435f2fa 2233 ost->sws_flags, NULL, NULL, NULL);
0b50ac8a
LA
2234 if (ost->img_resample_ctx == NULL) {
2235 fprintf(stderr, "Cannot get resampling context\n");
639e4ec8 2236 ffmpeg_exit(1);
0b50ac8a 2237 }
46847a33 2238#endif
a39b76ea 2239 codec->bits_per_raw_sample= 0;
85f07f22 2240 }
5879ea6d
SS
2241 ost->resample_height = icodec->height;
2242 ost->resample_width = icodec->width;
b83ccbff 2243 ost->resample_pix_fmt= icodec->pix_fmt;
85f07f22
FB
2244 ost->encoding_needed = 1;
2245 ist->decoding_needed = 1;
46847a33
MN
2246
2247#if CONFIG_AVFILTER
0420bf09 2248 if (configure_video_filters(ist, ost)) {
46847a33
MN
2249 fprintf(stderr, "Error opening filters!\n");
2250 exit(1);
2251 }
2252#endif
1629626f 2253 break;
72415b2a 2254 case AVMEDIA_TYPE_SUBTITLE:
cf7fc795
FB
2255 ost->encoding_needed = 1;
2256 ist->decoding_needed = 1;
2257 break;
1629626f 2258 default:
0f4e8165 2259 abort();
cf7fc795 2260 break;
85f07f22 2261 }
1629626f 2262 /* two pass mode */
115329f1 2263 if (ost->encoding_needed &&
1629626f
FB
2264 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2265 char logfilename[1024];
2266 FILE *f;
115329f1
DB
2267
2268 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
22730e87
SS
2269 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2270 i);
1629626f 2271 if (codec->flags & CODEC_FLAG_PASS1) {
c56e9e05 2272 f = fopen(logfilename, "wb");
1629626f 2273 if (!f) {
42d1d06e 2274 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
639e4ec8 2275 ffmpeg_exit(1);
1629626f
FB
2276 }
2277 ost->logfile = f;
2278 } else {
458b062d
SS
2279 char *logbuffer;
2280 size_t logbuffer_size;
2281 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2282 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
639e4ec8 2283 ffmpeg_exit(1);
1629626f 2284 }
1629626f 2285 codec->stats_in = logbuffer;
5abdb4b1 2286 }
5abdb4b1
FB
2287 }
2288 }
72415b2a 2289 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
8a6cb114 2290 int size= codec->width * codec->height;
c027e91a 2291 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
8a6cb114 2292 }
85f07f22
FB
2293 }
2294
8a6cb114
MN
2295 if (!bit_buffer)
2296 bit_buffer = av_malloc(bit_buffer_size);
002c95d7 2297 if (!bit_buffer) {
50f3fabc
MR
2298 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2299 bit_buffer_size);
002c95d7 2300 ret = AVERROR(ENOMEM);
8a6cb114 2301 goto fail;
1629626f
FB
2302 }
2303
85f07f22
FB
2304 /* open each encoder */
2305 for(i=0;i<nb_ostreams;i++) {
2306 ost = ost_table[i];
2307 if (ost->encoding_needed) {
0a6d97b3 2308 AVCodec *codec = i < nb_output_codecs ? output_codecs[i] : NULL;
cb2c971d 2309 AVCodecContext *dec = ist_table[ost->source_index]->st->codec;
6488cf9b 2310 if (!codec)
fd2b356a 2311 codec = avcodec_find_encoder(ost->st->codec->codec_id);
85f07f22 2312 if (!codec) {
f356fc57
BC
2313 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2314 ost->st->codec->codec_id, ost->file_index, ost->index);
002c95d7
BC
2315 ret = AVERROR(EINVAL);
2316 goto dump_format;
85f07f22 2317 }
cb2c971d
AJ
2318 if (dec->subtitle_header) {
2319 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2320 if (!ost->st->codec->subtitle_header) {
2321 ret = AVERROR(ENOMEM);
2322 goto dump_format;
2323 }
2324 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2325 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2326 }
01f4895c 2327 if (avcodec_open(ost->st->codec, codec) < 0) {
f356fc57 2328 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 2329 ost->file_index, ost->index);
002c95d7
BC
2330 ret = AVERROR(EINVAL);
2331 goto dump_format;
85f07f22 2332 }
01f4895c 2333 extra_size += ost->st->codec->extradata_size;
85f07f22
FB
2334 }
2335 }
2336
2337 /* open each decoder */
2338 for(i=0;i<nb_istreams;i++) {
2339 ist = ist_table[i];
2340 if (ist->decoding_needed) {
311e223f 2341 AVCodec *codec = i < nb_input_codecs ? input_codecs[i] : NULL;
6488cf9b 2342 if (!codec)
fd2b356a 2343 codec = avcodec_find_decoder(ist->st->codec->codec_id);
85f07f22 2344 if (!codec) {
f356fc57 2345 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
d2bc4da1 2346 ist->st->codec->codec_id, ist->file_index, ist->st->index);
002c95d7
BC
2347 ret = AVERROR(EINVAL);
2348 goto dump_format;
85f07f22 2349 }
bc778a0c
JR
2350
2351 /* update requested sample format for the decoder based on the
2352 corresponding encoder sample format */
2353 for (j = 0; j < nb_ostreams; j++) {
2354 ost = ost_table[j];
2355 if (ost->source_index == i) {
2356 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2357 break;
2358 }
2359 }
2360
01f4895c 2361 if (avcodec_open(ist->st->codec, codec) < 0) {
f356fc57 2362 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
d2bc4da1 2363 ist->file_index, ist->st->index);
002c95d7
BC
2364 ret = AVERROR(EINVAL);
2365 goto dump_format;
85f07f22 2366 }
72415b2a 2367 //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
01f4895c 2368 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
85f07f22
FB
2369 }
2370 }
2371
2372 /* init pts */
2373 for(i=0;i<nb_istreams;i++) {
b8c93c48 2374 AVStream *st;
85f07f22 2375 ist = ist_table[i];
b8c93c48
MN
2376 st= ist->st;
2377 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
48291040 2378 ist->next_pts = AV_NOPTS_VALUE;
0ff4f0c0 2379 init_pts_correction(&ist->pts_ctx);
ff4905a5 2380 ist->is_start = 1;
85f07f22 2381 }
c5e1e982 2382
0a38bafd
PB
2383 /* set meta data information from input file if required */
2384 for (i=0;i<nb_meta_data_maps;i++) {
1829e195
AK
2385 AVFormatContext *files[2];
2386 AVMetadata **meta[2];
1829e195 2387 int j;
0a38bafd 2388
1829e195
AK
2389#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
2390 if ((index) < 0 || (index) >= (nb_elems)) {\
2391 snprintf(error, sizeof(error), "Invalid %s index %d while processing metadata maps\n",\
2392 (desc), (index));\
2393 ret = AVERROR(EINVAL);\
2394 goto dump_format;\
115329f1
DB
2395 }
2396
1829e195
AK
2397 int out_file_index = meta_data_maps[i][0].file;
2398 int in_file_index = meta_data_maps[i][1].file;
7b393736
AK
2399 if (in_file_index < 0 || out_file_index < 0)
2400 continue;
1829e195
AK
2401 METADATA_CHECK_INDEX(out_file_index, nb_output_files, "output file")
2402 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
0a38bafd 2403
1829e195
AK
2404 files[0] = output_files[out_file_index];
2405 files[1] = input_files[in_file_index];
2406
2407 for (j = 0; j < 2; j++) {
2408 AVMetaDataMap *map = &meta_data_maps[i][j];
2409
2410 switch (map->type) {
2411 case 'g':
2412 meta[j] = &files[j]->metadata;
2413 break;
2414 case 's':
2415 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
2416 meta[j] = &files[j]->streams[map->index]->metadata;
2417 break;
2418 case 'c':
2419 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
2420 meta[j] = &files[j]->chapters[map->index]->metadata;
2421 break;
2422 case 'p':
2423 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
2424 meta[j] = &files[j]->programs[map->index]->metadata;
2425 break;
2426 }
2427 }
a5926d85 2428
7f88a5bf 2429 av_metadata_copy(meta[0], *meta[1], AV_METADATA_DONT_OVERWRITE);
0a38bafd 2430 }
115329f1 2431
477b1aea
AK
2432 /* copy global metadata by default */
2433 if (metadata_global_autocopy) {
477b1aea 2434
8e8a3cc2 2435 for (i = 0; i < nb_output_files; i++)
7f88a5bf
RB
2436 av_metadata_copy(&output_files[i]->metadata, input_files[0]->metadata,
2437 AV_METADATA_DONT_OVERWRITE);
477b1aea
AK
2438 }
2439
91e96eba
AK
2440 /* copy chapters according to chapter maps */
2441 for (i = 0; i < nb_chapter_maps; i++) {
2442 int infile = chapter_maps[i].in_file;
2443 int outfile = chapter_maps[i].out_file;
2444
2445 if (infile < 0 || outfile < 0)
2446 continue;
2447 if (infile >= nb_input_files) {
2448 snprintf(error, sizeof(error), "Invalid input file index %d in chapter mapping.\n", infile);
2449 ret = AVERROR(EINVAL);
2450 goto dump_format;
2451 }
2452 if (outfile >= nb_output_files) {
2453 snprintf(error, sizeof(error), "Invalid output file index %d in chapter mapping.\n",outfile);
2454 ret = AVERROR(EINVAL);
2455 goto dump_format;
2456 }
2457 copy_chapters(infile, outfile);
2458 }
2459
7a39f142 2460 /* copy chapters from the first input file that has them*/
91e96eba 2461 if (!nb_chapter_maps)
a9c2bf9d
AK
2462 for (i = 0; i < nb_input_files; i++) {
2463 if (!input_files[i]->nb_chapters)
2464 continue;
7a39f142 2465
a9c2bf9d
AK
2466 for (j = 0; j < nb_output_files; j++)
2467 if ((ret = copy_chapters(i, j)) < 0)
2468 goto dump_format;
09f47fa4 2469 break;
a9c2bf9d 2470 }
7a39f142 2471
85f07f22
FB
2472 /* open files and write file headers */
2473 for(i=0;i<nb_output_files;i++) {
2474 os = output_files[i];
79fdaa4c 2475 if (av_write_header(os) < 0) {
002c95d7 2476 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
8fa36ae0 2477 ret = AVERROR(EINVAL);
002c95d7 2478 goto dump_format;
a38469e1 2479 }
6d1ba1ac
LA
2480 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2481 want_sdp = 0;
2482 }
2483 }
002c95d7
BC
2484
2485 dump_format:
2486 /* dump the file output parameters - cannot be done before in case
2487 of stream copy */
2488 for(i=0;i<nb_output_files;i++) {
610219a5 2489 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
002c95d7
BC
2490 }
2491
2492 /* dump the stream mapping */
2493 if (verbose >= 0) {
2494 fprintf(stderr, "Stream mapping:\n");
2495 for(i=0;i<nb_ostreams;i++) {
2496 ost = ost_table[i];
2497 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2498 ist_table[ost->source_index]->file_index,
d2bc4da1 2499 ist_table[ost->source_index]->st->index,
002c95d7
BC
2500 ost->file_index,
2501 ost->index);
2502 if (ost->sync_ist != ist_table[ost->source_index])
2503 fprintf(stderr, " [sync #%d.%d]",
2504 ost->sync_ist->file_index,
d2bc4da1 2505 ost->sync_ist->st->index);
002c95d7
BC
2506 fprintf(stderr, "\n");
2507 }
2508 }
2509
2510 if (ret) {
2511 fprintf(stderr, "%s\n", error);
2512 goto fail;
2513 }
2514
6d1ba1ac
LA
2515 if (want_sdp) {
2516 print_sdp(output_files, nb_output_files);
85f07f22
FB
2517 }
2518
8fb566fd 2519 if (verbose >= 0)
cb48e245 2520 fprintf(stderr, "Press ctrl-c to stop encoding\n");
a38469e1
FB
2521 term_init();
2522
7fc98937 2523 timer_start = av_gettime();
51bd4565 2524
d9a916e2 2525 for(; received_sigterm == 0;) {
85f07f22
FB
2526 int file_index, ist_index;
2527 AVPacket pkt;
a9aeda81
PB
2528 double ipts_min;
2529 double opts_min;
23ffe323 2530
85f07f22 2531 redo:
a9aeda81
PB
2532 ipts_min= 1e100;
2533 opts_min= 1e100;
a38469e1 2534
ec5517d5
FB
2535 /* select the stream that we must read now by looking at the
2536 smallest output pts */
85f07f22 2537 file_index = -1;
ec5517d5 2538 for(i=0;i<nb_ostreams;i++) {
23ffe323 2539 double ipts, opts;
ec5517d5
FB
2540 ost = ost_table[i];
2541 os = output_files[ost->file_index];
2542 ist = ist_table[ost->source_index];
55a7e946 2543 if(ist->is_past_recording_time || no_packet[ist->file_index])
545465ec 2544 continue;
c0df9d75 2545 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
23ffe323
MN
2546 ipts = (double)ist->pts;
2547 if (!file_table[ist->file_index].eof_reached){
2548 if(ipts < ipts_min) {
2549 ipts_min = ipts;
2550 if(input_sync ) file_index = ist->file_index;
2551 }
2552 if(opts < opts_min) {
2553 opts_min = opts;
2554 if(!input_sync) file_index = ist->file_index;
2555 }
85f07f22 2556 }
01f4895c 2557 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
7ca60994
MN
2558 file_index= -1;
2559 break;
2560 }
85f07f22
FB
2561 }
2562 /* if none, if is finished */
51bd4565 2563 if (file_index < 0) {
545465ec
MN
2564 if(no_packet_count){
2565 no_packet_count=0;
2566 memset(no_packet, 0, sizeof(no_packet));
d61f30a7 2567 usleep(10000);
545465ec
MN
2568 continue;
2569 }
85f07f22 2570 break;
ec5517d5
FB
2571 }
2572
b6e16b86 2573 /* finish if limit size exhausted */
a2704c97 2574 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
b6e16b86
C
2575 break;
2576
254abc2e 2577 /* read a frame from it and output it in the fifo */
85f07f22 2578 is = input_files[file_index];
ad51c68c 2579 ret= av_read_frame(is, &pkt);
b9edbe99 2580 if(ret == AVERROR(EAGAIN)){
545465ec
MN
2581 no_packet[file_index]=1;
2582 no_packet_count++;
ad51c68c 2583 continue;
545465ec 2584 }
ad51c68c 2585 if (ret < 0) {
85f07f22 2586 file_table[file_index].eof_reached = 1;
d24ce947
AB
2587 if (opt_shortest)
2588 break;
2589 else
2590 continue;
85f07f22 2591 }
303e50e6 2592
545465ec
MN
2593 no_packet_count=0;
2594 memset(no_packet, 0, sizeof(no_packet));
2595
254abc2e 2596 if (do_pkt_dump) {
5e33e7bd
MS
2597 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2598 is->streams[pkt.stream_index]);
817b23ff 2599 }
79fdaa4c
FB
2600 /* the following test is needed in case new streams appear
2601 dynamically in stream : we ignore them */
2602 if (pkt.stream_index >= file_table[file_index].nb_streams)
bf5af568 2603 goto discard_packet;
85f07f22
FB
2604 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2605 ist = ist_table[ist_index];
bf5af568
FB
2606 if (ist->discard)
2607 goto discard_packet;
85f07f22 2608
fec401f7
MN
2609 if (pkt.dts != AV_NOPTS_VALUE)
2610 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2611 if (pkt.pts != AV_NOPTS_VALUE)
2612 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2613
2c6958aa
AJ
2614 if (pkt.stream_index < nb_input_files_ts_scale[file_index]
2615 && input_files_ts_scale[file_index][pkt.stream_index]){
8833f375
MN
2616 if(pkt.pts != AV_NOPTS_VALUE)
2617 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2618 if(pkt.dts != AV_NOPTS_VALUE)
2619 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2620 }
2621
949b1a13 2622// 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
2623 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2624 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
81d6d520
MN
2625 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2626 int64_t delta= pkt_dts - ist->next_pts;
2627 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
72bd8100
MN
2628 input_files_ts_offset[ist->file_index]-= delta;
2629 if (verbose > 2)
4733abcb 2630 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
fec401f7
MN
2631 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2632 if(pkt.pts != AV_NOPTS_VALUE)
2633 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
72bd8100
MN
2634 }
2635 }
2636
f8ccf720 2637 /* finish if recording time exhausted */
6abda15f
FC
2638 if (recording_time != INT64_MAX &&
2639 av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
55a7e946 2640 ist->is_past_recording_time = 1;
f8ccf720 2641 goto discard_packet;
55a7e946 2642 }
f8ccf720 2643
d2bc4da1 2644 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
a700a6ae 2645 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
d8019eb5
AD
2646
2647 if (verbose >= 0)
2648 fprintf(stderr, "Error while decoding stream #%d.%d\n",
d2bc4da1 2649 ist->file_index, ist->st->index);
f2abc559 2650 if (exit_on_error)
639e4ec8 2651 ffmpeg_exit(1);
a700a6ae
FB
2652 av_free_packet(&pkt);
2653 goto redo;
fe08925f 2654 }
cf7fc795 2655
bf5af568 2656 discard_packet:
85f07f22 2657 av_free_packet(&pkt);
115329f1 2658
ec5517d5
FB
2659 /* dump report by using the output first video and audio streams */
2660 print_report(output_files, ost_table, nb_ostreams, 0);
85f07f22 2661 }
a700a6ae
FB
2662
2663 /* at the end of stream, we must flush the decoder buffers */
2664 for(i=0;i<nb_istreams;i++) {
2665 ist = ist_table[i];
2666 if (ist->decoding_needed) {
2667 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2668 }
2669 }
2670
a38469e1 2671 term_exit();
85f07f22 2672
c4e37247
MN
2673 /* write the trailer if needed and close file */
2674 for(i=0;i<nb_output_files;i++) {
2675 os = output_files[i];
2676 av_write_trailer(os);
2677 }
2678
37f5cd5a
MN
2679 /* dump report by using the first video and audio streams */
2680 print_report(output_files, ost_table, nb_ostreams, 1);
2681
85f07f22
FB
2682 /* close each encoder */
2683 for(i=0;i<nb_ostreams;i++) {
2684 ost = ost_table[i];
2685 if (ost->encoding_needed) {
01f4895c
MN
2686 av_freep(&ost->st->codec->stats_in);
2687 avcodec_close(ost->st->codec);
85f07f22 2688 }
9d5fa618
MN
2689#if CONFIG_AVFILTER
2690 avfilter_graph_free(&ost->graph);
2691#endif
85f07f22 2692 }
115329f1 2693
85f07f22
FB
2694 /* close each decoder */
2695 for(i=0;i<nb_istreams;i++) {
2696 ist = ist_table[i];
2697 if (ist->decoding_needed) {
01f4895c 2698 avcodec_close(ist->st->codec);
85f07f22
FB
2699 }
2700 }
85f07f22 2701
85f07f22 2702 /* finished ! */
00b7fbdc 2703 ret = 0;
115329f1 2704
002c95d7 2705 fail:
83b07470 2706 av_freep(&bit_buffer);
0f1578af 2707 av_free(file_table);
bdc4796f 2708
85f07f22
FB
2709 if (ist_table) {
2710 for(i=0;i<nb_istreams;i++) {
2711 ist = ist_table[i];
0f1578af 2712 av_free(ist);
85f07f22 2713 }
0f1578af 2714 av_free(ist_table);
85f07f22
FB
2715 }
2716 if (ost_table) {
2717 for(i=0;i<nb_ostreams;i++) {
2718 ost = ost_table[i];
2719 if (ost) {
b659c8b4
LA
2720 if (ost->st->stream_copy)
2721 av_freep(&ost->st->codec->extradata);
5abdb4b1
FB
2722 if (ost->logfile) {
2723 fclose(ost->logfile);
2724 ost->logfile = NULL;
2725 }
41dd680d 2726 av_fifo_free(ost->fifo); /* works even if fifo is not
f5a478f6 2727 initialized but set to zero */
cb2c971d 2728 av_freep(&ost->st->codec->subtitle_header);
0f1578af 2729 av_free(ost->pict_tmp.data[0]);
4ad08021 2730 av_free(ost->forced_kf_pts);
85f07f22 2731 if (ost->video_resample)
18a54b04 2732 sws_freeContext(ost->img_resample_ctx);
8e4270c5 2733 if (ost->resample)
85f07f22 2734 audio_resample_close(ost->resample);
a79db0f7
PR
2735 if (ost->reformat_ctx)
2736 av_audio_convert_free(ost->reformat_ctx);
0f1578af 2737 av_free(ost);
85f07f22
FB
2738 }
2739 }
0f1578af 2740 av_free(ost_table);
85f07f22
FB
2741 }
2742 return ret;
85f07f22
FB
2743}
2744
b29f97d1 2745static void opt_format(const char *arg)
85f07f22 2746{
a5abfd8f 2747 last_asked_format = arg;
85f07f22
FB
2748}
2749
464a631c 2750static void opt_video_rc_override_string(const char *arg)
ac2830ec
MN
2751{
2752 video_rc_override_string = arg;
2753}
2754
c48da33c 2755static int opt_me_threshold(const char *opt, const char *arg)
f4f3223f 2756{
c48da33c
SS
2757 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2758 return 0;
f4f3223f
MN
2759}
2760
c48da33c 2761static int opt_verbose(const char *opt, const char *arg)
f068206e 2762{
46eab093 2763 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
c48da33c 2764 return 0;
f068206e
BE
2765}
2766
2fc3866d 2767static int opt_frame_rate(const char *opt, const char *arg)
85f07f22 2768{
126b638e 2769 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2fc3866d 2770 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
639e4ec8 2771 ffmpeg_exit(1);
445f1b83 2772 }
2fc3866d 2773 return 0;
85f07f22
FB
2774}
2775
ebde2a2c 2776static int opt_bitrate(const char *opt, const char *arg)
1b1656c6 2777{
72415b2a 2778 int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
1b1656c6
RP
2779
2780 opt_default(opt, arg);
2781
636f1c4c 2782 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
1b1656c6 2783 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
ebde2a2c
MH
2784
2785 return 0;
1b1656c6
RP
2786}
2787
5879ea6d 2788static int opt_frame_crop(const char *opt, const char *arg)
ab6d194a 2789{
5879ea6d
SS
2790 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2791 return AVERROR(EINVAL);
ab6d194a
MN
2792}
2793
b29f97d1 2794static void opt_frame_size(const char *arg)
85f07f22 2795{
126b638e 2796 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
85f07f22 2797 fprintf(stderr, "Incorrect frame size\n");
639e4ec8 2798 ffmpeg_exit(1);
85f07f22 2799 }
85f07f22
FB
2800}
2801
9f434b65
SS
2802static int opt_pad(const char *opt, const char *arg) {
2803 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2804 return -1;
1ff93ffc
TK
2805}
2806
63167088
RS
2807static void opt_frame_pix_fmt(const char *arg)
2808{
90da2b50 2809 if (strcmp(arg, "list")) {
718c7b18 2810 frame_pix_fmt = av_get_pix_fmt(arg);
90da2b50
SS
2811 if (frame_pix_fmt == PIX_FMT_NONE) {
2812 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
639e4ec8 2813 ffmpeg_exit(1);
90da2b50
SS
2814 }
2815 } else {
cedac882 2816 show_pix_fmts();
639e4ec8 2817 ffmpeg_exit(0);
c3b95b1d 2818 }
63167088
RS
2819}
2820
5fe03e38
RS
2821static void opt_frame_aspect_ratio(const char *arg)
2822{
2823 int x = 0, y = 0;
2824 double ar = 0;
2825 const char *p;
815f98cc 2826 char *end;
115329f1 2827
5fe03e38
RS
2828 p = strchr(arg, ':');
2829 if (p) {
815f98cc
AJ
2830 x = strtol(arg, &end, 10);
2831 if (end == p)
2832 y = strtol(end+1, &end, 10);
bb270c08
DB
2833 if (x > 0 && y > 0)
2834 ar = (double)x / (double)y;
5fe03e38 2835 } else
815f98cc 2836 ar = strtod(arg, NULL);
5fe03e38
RS
2837
2838 if (!ar) {
2839 fprintf(stderr, "Incorrect aspect ratio specification.\n");
639e4ec8 2840 ffmpeg_exit(1);
5fe03e38
RS
2841 }
2842 frame_aspect_ratio = ar;
2843}
2844
a5926d85
AJ
2845static int opt_metadata(const char *opt, const char *arg)
2846{
2847 char *mid= strchr(arg, '=');
2848
2849 if(!mid){
2850 fprintf(stderr, "Missing =\n");
639e4ec8 2851 ffmpeg_exit(1);
a5926d85
AJ
2852 }
2853 *mid++= 0;
2854
4bf65e2a 2855 av_metadata_set2(&metadata, arg, mid, 0);
a5926d85
AJ
2856
2857 return 0;
2858}
2859
dbe94539 2860static int opt_qscale(const char *opt, const char *arg)
85f07f22 2861{
dbe94539
SS
2862 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2863 if (video_qscale == 0) {
4e64bead 2864 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
dbe94539 2865 return AVERROR(EINVAL);
85f07f22 2866 }
dbe94539 2867 return 0;
85f07f22
FB
2868}
2869
dbe94539 2870static int opt_top_field_first(const char *opt, const char *arg)
bb198e19 2871{
dbe94539
SS
2872 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2873 return 0;
bb198e19
MN
2874}
2875
d18811bb 2876static int opt_thread_count(const char *opt, const char *arg)
9c3d33d6 2877{
d18811bb 2878 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
b250f9c6 2879#if !HAVE_THREADS
d8019eb5
AD
2880 if (verbose >= 0)
2881 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
842b556a 2882#endif
d18811bb 2883 return 0;
9c3d33d6
MN
2884}
2885
ce1ee094
PR
2886static void opt_audio_sample_fmt(const char *arg)
2887{
6c18f1cd 2888 if (strcmp(arg, "list")) {
ba7d6e79 2889 audio_sample_fmt = av_get_sample_fmt(arg);
6c18f1cd
SS
2890 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2891 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2892 ffmpeg_exit(1);
2893 }
2894 } else {
5d2c6f42
SS
2895 int i;
2896 char fmt_str[128];
2897 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2898 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
639e4ec8 2899 ffmpeg_exit(0);
ce1ee094
PR
2900 }
2901}
2902
c48da33c 2903static int opt_audio_rate(const char *opt, const char *arg)
85f07f22 2904{
c48da33c
SS
2905 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2906 return 0;
85f07f22
FB
2907}
2908
c48da33c 2909static int opt_audio_channels(const char *opt, const char *arg)
85f07f22 2910{
c48da33c
SS
2911 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2912 return 0;
85f07f22
FB
2913}
2914
dbe94539 2915static int opt_video_channel(const char *opt, const char *arg)
a5df11ab 2916{
dbe94539
SS
2917 video_channel = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2918 return 0;
a5df11ab
FB
2919}
2920
e3ee3283
AB
2921static void opt_video_standard(const char *arg)
2922{
2923 video_standard = av_strdup(arg);
2924}
2925
4a897224 2926static void opt_codec(int *pstream_copy, char **pcodec_name,
cf7fc795 2927 int codec_type, const char *arg)
85f07f22 2928{
4a897224 2929 av_freep(pcodec_name);
1629626f 2930 if (!strcmp(arg, "copy")) {
cf7fc795 2931 *pstream_copy = 1;
85f07f22 2932 } else {
4a897224 2933 *pcodec_name = av_strdup(arg);
85f07f22
FB
2934 }
2935}
2936
cf7fc795
FB
2937static void opt_audio_codec(const char *arg)
2938{
72415b2a 2939 opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
cf7fc795
FB
2940}
2941
b29f97d1 2942static void opt_video_codec(const char *arg)
85f07f22 2943{
72415b2a 2944 opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
cf7fc795 2945}
85f07f22 2946
cf7fc795
FB
2947static void opt_subtitle_codec(const char *arg)
2948{
72415b2a 2949 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
85f07f22
FB
2950}
2951
e3b540b4
LB
2952static void opt_data_codec(const char *arg)
2953{
2954 opt_codec(&data_stream_copy, &data_codec_name, AVMEDIA_TYPE_DATA, arg);
2955}
2956
0d0778b0 2957static int opt_codec_tag(const char *opt, const char *arg)
27ad7d3a
BC
2958{
2959 char *tail;
d0242e74
SS
2960 uint32_t *codec_tag;
2961
2962 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2963 !strcmp(opt, "vtag") ? &video_codec_tag :
2964 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
0d0778b0
RP
2965 if (!codec_tag)
2966 return -1;
27ad7d3a 2967
d0242e74
SS
2968 *codec_tag = strtol(arg, &tail, 0);
2969 if (!tail || *tail)
2839dc97 2970 *codec_tag = AV_RL32(arg);
0d0778b0
RP
2971
2972 return 0;
27ad7d3a
BC
2973}
2974
b29f97d1 2975static void opt_map(const char *arg)
85f07f22
FB
2976{
2977 AVStreamMap *m;
815f98cc 2978 char *p;
85f07f22 2979
3a8e8824
AJ
2980 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2981 m = &stream_maps[nb_stream_maps-1];
85f07f22 2982
815f98cc 2983 m->file_index = strtol(arg, &p, 0);
85f07f22
FB
2984 if (*p)
2985 p++;
a5dc85ef 2986
815f98cc 2987 m->stream_index = strtol(p, &p, 0);
b4a3389e
WG
2988 if (*p) {
2989 p++;
815f98cc 2990 m->sync_file_index = strtol(p, &p, 0);
b4a3389e
WG
2991 if (*p)
2992 p++;
815f98cc 2993 m->sync_stream_index = strtol(p, &p, 0);
b4a3389e
WG
2994 } else {
2995 m->sync_file_index = m->file_index;
2996 m->sync_stream_index = m->stream_index;
2997 }
85f07f22
FB
2998}
2999
c961fb3c 3000static void parse_meta_type(char *arg, char *type, int *index, char **endptr)
1829e195
AK
3001{
3002 *endptr = arg;
3003 if (*arg == ',') {
3004 *type = *(++arg);
3005 switch (*arg) {
3006 case 'g':
3007 break;
3008 case 's':
3009 case 'c':
3010 case 'p':
3011 *index = strtol(++arg, endptr, 0);
3012 break;
3013 default:
3014 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
3015 ffmpeg_exit(1);
3016 }
3017 } else
3018 *type = 'g';
3019}
3020
87e4d9b2 3021static void opt_map_metadata(const char *arg)
0a38bafd 3022{
1829e195 3023 AVMetaDataMap *m, *m1;
815f98cc 3024 char *p;
115329f1 3025
63e856df
AK
3026 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
3027 &nb_meta_data_maps, nb_meta_data_maps + 1);
0a38bafd 3028
1829e195
AK
3029 m = &meta_data_maps[nb_meta_data_maps - 1][0];
3030 m->file = strtol(arg, &p, 0);
3031 parse_meta_type(p, &m->type, &m->index, &p);
0a38bafd
PB
3032 if (*p)
3033 p++;
3034
1829e195
AK
3035 m1 = &meta_data_maps[nb_meta_data_maps - 1][1];
3036 m1->file = strtol(p, &p, 0);
3037 parse_meta_type(p, &m1->type, &m1->index, &p);
d0abe80a 3038
477b1aea
AK
3039 if (m->type == 'g' || m1->type == 'g')
3040 metadata_global_autocopy = 0;
d0abe80a
AK
3041 if (m->type == 's' || m1->type == 's')
3042 metadata_streams_autocopy = 0;
3043 if (m->type == 'c' || m1->type == 'c')
3044 metadata_chapters_autocopy = 0;
0a38bafd
PB
3045}
3046
87e4d9b2
AK
3047static void opt_map_meta_data(const char *arg)
3048{
3049 fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
3050 "Use -map_metadata instead.\n");
3051 opt_map_metadata(arg);
3052}
3053
91e96eba
AK
3054static void opt_map_chapters(const char *arg)
3055{
3056 AVChapterMap *c;
3057 char *p;
3058
3059 chapter_maps = grow_array(chapter_maps, sizeof(*chapter_maps), &nb_chapter_maps,
3060 nb_chapter_maps + 1);
3061 c = &chapter_maps[nb_chapter_maps - 1];
3062 c->out_file = strtol(arg, &p, 0);
3063 if (*p)
3064 p++;
3065
3066 c->in_file = strtol(p, &p, 0);
3067}
3068
8833f375
MN
3069static void opt_input_ts_scale(const char *arg)
3070{
3071 unsigned int stream;
3072 double scale;
3073 char *p;
3074
3075 stream = strtol(arg, &p, 0);
3076 if (*p)
3077 p++;
3078 scale= strtod(p, &p);
3079
3080 if(stream >= MAX_STREAMS)
639e4ec8 3081 ffmpeg_exit(1);
8833f375 3082
2c6958aa 3083 input_files_ts_scale[nb_input_files] = grow_array(input_files_ts_scale[nb_input_files], sizeof(*input_files_ts_scale[nb_input_files]), &nb_input_files_ts_scale[nb_input_files], stream + 1);
8833f375
MN
3084 input_files_ts_scale[nb_input_files][stream]= scale;
3085}
3086
b19221c8 3087static int opt_recording_time(const char *opt, const char *arg)
85f07f22 3088{
b19221c8
SS
3089 recording_time = parse_time_or_die(opt, arg, 1);
3090 return 0;
85f07f22
FB
3091}
3092
b19221c8 3093static int opt_start_time(const char *opt, const char *arg)
8831db5c 3094{
b19221c8
SS
3095 start_time = parse_time_or_die(opt, arg, 1);
3096 return 0;
8831db5c
MN
3097}
3098
25d34458 3099static int opt_recording_timestamp(const char *opt, const char *arg)
4568325a 3100{
25d34458 3101 recording_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
b19221c8 3102 return 0;
4568325a
RS
3103}
3104
b19221c8 3105static int opt_input_ts_offset(const char *opt, const char *arg)
a6a92a9a 3106{
b19221c8
SS
3107 input_ts_offset = parse_time_or_die(opt, arg, 1);
3108 return 0;
a6a92a9a
WG
3109}
3110
4e605bc3 3111static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
4a897224 3112{
f73008d8 3113 const char *codec_string = encoder ? "encoder" : "decoder";
4a897224
NG
3114 AVCodec *codec;
3115
3116 if(!name)
3117 return CODEC_ID_NONE;
3118 codec = encoder ?
3119 avcodec_find_encoder_by_name(name) :
3120 avcodec_find_decoder_by_name(name);
3121 if(!codec) {
49a06a4d 3122 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
639e4ec8 3123 ffmpeg_exit(1);
4a897224
NG
3124 }
3125 if(codec->type != type) {
49a06a4d 3126 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
639e4ec8 3127 ffmpeg_exit(1);
4a897224 3128 }
4e605bc3
JG
3129 if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
3130 strict > FF_COMPLIANCE_EXPERIMENTAL) {
3131 fprintf(stderr, "%s '%s' is experimental and might produce bad "
3132 "results.\nAdd '-strict experimental' if you want to use it.\n",
3133 codec_string, codec->name);
770e50ae
JG
3134 codec = encoder ?
3135 avcodec_find_encoder(codec->id) :
3136 avcodec_find_decoder(codec->id);
3137 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
3138 fprintf(stderr, "Or use the non experimental %s '%s'.\n",
3139 codec_string, codec->name);
639e4ec8 3140 ffmpeg_exit(1);