avconv: reindent.
[libav.git] / avconv.c
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1/*
2 * avconv main
3 * Copyright (c) 2000-2011 The libav developers.
4 *
5 * This file is part of Libav.
6 *
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22#include "config.h"
23#include <ctype.h>
24#include <string.h>
25#include <math.h>
26#include <stdlib.h>
27#include <errno.h>
28#include <signal.h>
29#include <limits.h>
30#include <unistd.h>
31#include "libavformat/avformat.h"
32#include "libavdevice/avdevice.h"
33#include "libswscale/swscale.h"
34#include "libavutil/opt.h"
35#include "libavcodec/audioconvert.h"
36#include "libavutil/audioconvert.h"
37#include "libavutil/parseutils.h"
38#include "libavutil/samplefmt.h"
39#include "libavutil/colorspace.h"
40#include "libavutil/fifo.h"
41#include "libavutil/intreadwrite.h"
42#include "libavutil/dict.h"
43#include "libavutil/mathematics.h"
44#include "libavutil/pixdesc.h"
45#include "libavutil/avstring.h"
46#include "libavutil/libm.h"
47#include "libavformat/os_support.h"
48
49#if CONFIG_AVFILTER
50# include "libavfilter/avfilter.h"
51# include "libavfilter/avfiltergraph.h"
52# include "libavfilter/vsrc_buffer.h"
53#endif
54
55#if HAVE_SYS_RESOURCE_H
56#include <sys/types.h>
57#include <sys/time.h>
58#include <sys/resource.h>
59#elif HAVE_GETPROCESSTIMES
60#include <windows.h>
61#endif
62#if HAVE_GETPROCESSMEMORYINFO
63#include <windows.h>
64#include <psapi.h>
65#endif
66
67#if HAVE_SYS_SELECT_H
68#include <sys/select.h>
69#endif
70
71#include <time.h>
72
73#include "cmdutils.h"
74
75#include "libavutil/avassert.h"
76
77const char program_name[] = "avconv";
78const int program_birth_year = 2000;
79
80/* select an input stream for an output stream */
81typedef struct StreamMap {
8d2e4a7e 82 int disabled; /** 1 is this mapping is disabled by a negative map */
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83 int file_index;
84 int stream_index;
85 int sync_file_index;
86 int sync_stream_index;
87} StreamMap;
88
89/**
90 * select an input file for an output file
91 */
92typedef struct MetadataMap {
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93 int file; ///< file index
94 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
95 int index; ///< stream/chapter/program number
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96} MetadataMap;
97
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98static const OptionDef options[];
99
6291d7e4 100static int video_discard = 0;
f4ad238c 101static int same_quant = 0;
6291d7e4 102static int do_deinterlace = 0;
6291d7e4 103static int intra_dc_precision = 8;
6291d7e4 104static int qp_hist = 0;
6291d7e4 105
6291d7e4 106static int file_overwrite = 0;
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107static int do_benchmark = 0;
108static int do_hex_dump = 0;
109static int do_pkt_dump = 0;
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110static int do_pass = 0;
111static char *pass_logfilename_prefix = NULL;
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112static int video_sync_method= -1;
113static int audio_sync_method= 0;
114static float audio_drift_threshold= 0.1;
115static int copy_ts= 0;
116static int copy_tb;
117static int opt_shortest = 0;
118static char *vstats_filename;
119static FILE *vstats_file;
6291d7e4 120
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121static int audio_volume = 256;
122
123static int exit_on_error = 0;
124static int using_stdin = 0;
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125static int64_t video_size = 0;
126static int64_t audio_size = 0;
127static int64_t extra_size = 0;
128static int nb_frames_dup = 0;
129static int nb_frames_drop = 0;
130static int input_sync;
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131
132static float dts_delta_threshold = 10;
133
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134static int print_stats = 1;
135
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136static uint8_t *audio_buf;
137static uint8_t *audio_out;
138static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
139
fe332cf5 140static void *samples;
6291d7e4 141
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142#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
143
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144typedef struct InputStream {
145 int file_index;
146 AVStream *st;
147 int discard; /* true if stream data should be discarded */
148 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
149 AVCodec *dec;
150
151 int64_t start; /* time when read started */
152 int64_t next_pts; /* synthetic pts for cases where pkt.pts
153 is not defined */
154 int64_t pts; /* current pts */
155 PtsCorrectionContext pts_ctx;
156 double ts_scale;
157 int is_start; /* is 1 at the start and after a discontinuity */
158 int showed_multi_packet_warning;
159 AVDictionary *opts;
160} InputStream;
161
162typedef struct InputFile {
163 AVFormatContext *ctx;
164 int eof_reached; /* true if eof reached */
165 int ist_index; /* index of first stream in ist_table */
166 int buffer_size; /* current total buffer size */
167 int64_t ts_offset;
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168 int nb_streams; /* number of stream that avconv is aware of; may be different
169 from ctx.nb_streams if new streams appear during av_read_frame() */
f4805328 170 int rate_emu;
6494c001 171} InputFile;
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172
173typedef struct OutputStream {
174 int file_index; /* file index */
175 int index; /* stream index in the output file */
176 int source_index; /* InputStream index */
177 AVStream *st; /* stream in the output file */
178 int encoding_needed; /* true if encoding needed for this stream */
179 int frame_number;
180 /* input pts and corresponding output pts
181 for A/V sync */
182 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
183 struct InputStream *sync_ist; /* input stream to sync against */
184 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
185 AVBitStreamFilterContext *bitstream_filters;
186 AVCodec *enc;
96139b5e 187 int64_t max_frames;
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188
189 /* video only */
190 int video_resample;
191 AVFrame pict_tmp; /* temporary image for resampling */
192 struct SwsContext *img_resample_ctx; /* for image resampling */
193 int resample_height;
194 int resample_width;
195 int resample_pix_fmt;
196 AVRational frame_rate;
bef737a7 197 int force_fps;
828e0bcb 198 int top_field_first;
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199
200 float frame_aspect_ratio;
201
202 /* forced key frames */
203 int64_t *forced_kf_pts;
204 int forced_kf_count;
205 int forced_kf_index;
206
207 /* audio only */
208 int audio_resample;
209 ReSampleContext *resample; /* for audio resampling */
210 int resample_sample_fmt;
211 int resample_channels;
212 int resample_sample_rate;
213 int reformat_pair;
214 AVAudioConvert *reformat_ctx;
215 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
216 FILE *logfile;
217
218#if CONFIG_AVFILTER
219 AVFilterContext *output_video_filter;
220 AVFilterContext *input_video_filter;
221 AVFilterBufferRef *picref;
222 char *avfilter;
223 AVFilterGraph *graph;
224#endif
225
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226 int64_t sws_flags;
227 AVDictionary *opts;
228 int is_past_recording_time;
229 int stream_copy;
230 const char *attachment_filename;
231 int copy_initial_nonkeyframes;
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232} OutputStream;
233
6291d7e4 234
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235typedef struct OutputFile {
236 AVFormatContext *ctx;
237 AVDictionary *opts;
4288e031 238 int ost_index; /* index of the first stream in output_streams */
ef44a607 239 int64_t recording_time; /* desired length of the resulting file in microseconds */
ea065176 240 int64_t start_time; /* start time in microseconds */
f21f294e 241 uint64_t limit_filesize;
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242} OutputFile;
243
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244static InputStream *input_streams = NULL;
245static int nb_input_streams = 0;
246static InputFile *input_files = NULL;
247static int nb_input_files = 0;
248
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249static OutputStream *output_streams = NULL;
250static int nb_output_streams = 0;
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251static OutputFile *output_files = NULL;
252static int nb_output_files = 0;
253
575ec4e1 254typedef struct OptionsContext {
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255 /* input/output options */
256 int64_t start_time;
7041bb3b 257 const char *format;
6b779ccc 258
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259 SpecifierOpt *codec_names;
260 int nb_codec_names;
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261 SpecifierOpt *audio_channels;
262 int nb_audio_channels;
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263 SpecifierOpt *audio_sample_rate;
264 int nb_audio_sample_rate;
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265 SpecifierOpt *frame_rates;
266 int nb_frame_rates;
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267 SpecifierOpt *frame_sizes;
268 int nb_frame_sizes;
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269 SpecifierOpt *frame_pix_fmts;
270 int nb_frame_pix_fmts;
35e6f8c1 271
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272 /* input options */
273 int64_t input_ts_offset;
f4805328 274 int rate_emu;
6b779ccc 275
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276 SpecifierOpt *ts_scale;
277 int nb_ts_scale;
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278 SpecifierOpt *dump_attachment;
279 int nb_dump_attachment;
33f75d72 280
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281 /* output options */
282 StreamMap *stream_maps;
283 int nb_stream_maps;
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284 /* first item specifies output metadata, second is input */
285 MetadataMap (*meta_data_maps)[2];
286 int nb_meta_data_maps;
287 int metadata_global_manual;
288 int metadata_streams_manual;
289 int metadata_chapters_manual;
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290 const char **attachments;
291 int nb_attachments;
6b779ccc 292
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293 int chapters_input_file;
294
6b779ccc 295 int64_t recording_time;
13ccba50 296 uint64_t limit_filesize;
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297 float mux_preload;
298 float mux_max_delay;
039267f1 299
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300 int video_disable;
301 int audio_disable;
302 int subtitle_disable;
303 int data_disable;
304
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305 /* indexed by output file stream index */
306 int *streamid_map;
307 int nb_streamid_map;
308
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309 SpecifierOpt *metadata;
310 int nb_metadata;
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311 SpecifierOpt *max_frames;
312 int nb_max_frames;
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313 SpecifierOpt *bitstream_filters;
314 int nb_bitstream_filters;
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315 SpecifierOpt *codec_tags;
316 int nb_codec_tags;
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317 SpecifierOpt *sample_fmts;
318 int nb_sample_fmts;
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319 SpecifierOpt *qscale;
320 int nb_qscale;
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321 SpecifierOpt *forced_key_frames;
322 int nb_forced_key_frames;
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323 SpecifierOpt *force_fps;
324 int nb_force_fps;
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325 SpecifierOpt *frame_aspect_ratios;
326 int nb_frame_aspect_ratios;
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327 SpecifierOpt *rc_overrides;
328 int nb_rc_overrides;
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329 SpecifierOpt *intra_matrices;
330 int nb_intra_matrices;
331 SpecifierOpt *inter_matrices;
332 int nb_inter_matrices;
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333 SpecifierOpt *top_field_first;
334 int nb_top_field_first;
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335 SpecifierOpt *presets;
336 int nb_presets;
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337 SpecifierOpt *copy_initial_nonkeyframes;
338 int nb_copy_initial_nonkeyframes;
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339#if CONFIG_AVFILTER
340 SpecifierOpt *filters;
341 int nb_filters;
342#endif
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343} OptionsContext;
344
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345#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
346{\
347 int i, ret;\
348 for (i = 0; i < o->nb_ ## name; i++) {\
349 char *spec = o->name[i].specifier;\
350 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
351 outvar = o->name[i].u.type;\
352 else if (ret < 0)\
353 exit_program(1);\
354 }\
355}
356
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357static void reset_options(OptionsContext *o)
358{
359 const OptionDef *po = options;
360
361 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
362 while (po->name) {
363 void *dst = (uint8_t*)o + po->u.off;
364
365 if (po->flags & OPT_SPEC) {
366 SpecifierOpt **so = dst;
367 int i, *count = (int*)(so + 1);
368 for (i = 0; i < *count; i++) {
369 av_freep(&(*so)[i].specifier);
370 if (po->flags & OPT_STRING)
371 av_freep(&(*so)[i].u.str);
372 }
373 av_freep(so);
374 *count = 0;
375 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
376 av_freep(dst);
377 po++;
378 }
379
380 av_freep(&o->stream_maps);
847529f8 381 av_freep(&o->meta_data_maps);
495ecfd1 382 av_freep(&o->streamid_map);
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383
384 memset(o, 0, sizeof(*o));
6b779ccc 385
dc26318c 386 o->mux_max_delay = 0.7;
6b779ccc 387 o->recording_time = INT64_MAX;
13ccba50 388 o->limit_filesize = UINT64_MAX;
c5bb372e 389 o->chapters_input_file = INT_MAX;
6b779ccc 390
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391 uninit_opts();
392 init_opts();
393}
394
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395#if CONFIG_AVFILTER
396
397static int configure_video_filters(InputStream *ist, OutputStream *ost)
398{
399 AVFilterContext *last_filter, *filter;
400 /** filter graph containing all filters including input & output */
401 AVCodecContext *codec = ost->st->codec;
402 AVCodecContext *icodec = ist->st->codec;
403 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
404 AVRational sample_aspect_ratio;
405 char args[255];
406 int ret;
407
408 ost->graph = avfilter_graph_alloc();
409
410 if (ist->st->sample_aspect_ratio.num){
411 sample_aspect_ratio = ist->st->sample_aspect_ratio;
412 }else
413 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
414
415 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
416 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
417 sample_aspect_ratio.num, sample_aspect_ratio.den);
418
419 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
420 "src", args, NULL, ost->graph);
421 if (ret < 0)
422 return ret;
423 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
424 "out", NULL, &ffsink_ctx, ost->graph);
425 if (ret < 0)
426 return ret;
427 last_filter = ost->input_video_filter;
428
429 if (codec->width != icodec->width || codec->height != icodec->height) {
430 snprintf(args, 255, "%d:%d:flags=0x%X",
431 codec->width,
432 codec->height,
3b3ea346 433 (unsigned)ost->sws_flags);
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434 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
435 NULL, args, NULL, ost->graph)) < 0)
436 return ret;
437 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
438 return ret;
439 last_filter = filter;
440 }
441
3b3ea346 442 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
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443 ost->graph->scale_sws_opts = av_strdup(args);
444
445 if (ost->avfilter) {
446 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
447 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
448
449 outputs->name = av_strdup("in");
450 outputs->filter_ctx = last_filter;
451 outputs->pad_idx = 0;
452 outputs->next = NULL;
453
454 inputs->name = av_strdup("out");
455 inputs->filter_ctx = ost->output_video_filter;
456 inputs->pad_idx = 0;
457 inputs->next = NULL;
458
459 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
460 return ret;
461 av_freep(&ost->avfilter);
462 } else {
463 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
464 return ret;
465 }
466
467 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
468 return ret;
469
470 codec->width = ost->output_video_filter->inputs[0]->w;
471 codec->height = ost->output_video_filter->inputs[0]->h;
472 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
bb337b4f 473 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
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474 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
475 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
476
477 return 0;
478}
479#endif /* CONFIG_AVFILTER */
480
481static void term_exit(void)
482{
483 av_log(NULL, AV_LOG_QUIET, "");
484}
485
486static volatile int received_sigterm = 0;
487static volatile int received_nb_signals = 0;
488
489static void
490sigterm_handler(int sig)
491{
492 received_sigterm = sig;
493 received_nb_signals++;
494 term_exit();
495}
496
497static void term_init(void)
498{
499 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
500 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
501#ifdef SIGXCPU
502 signal(SIGXCPU, sigterm_handler);
503#endif
504}
505
2abe947a 506static int decode_interrupt_cb(void *ctx)
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507{
508 return received_nb_signals > 1;
509}
510
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511static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
512
dad09ff9 513void exit_program(int ret)
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514{
515 int i;
516
517 /* close files */
518 for(i=0;i<nb_output_files;i++) {
af70aa45 519 AVFormatContext *s = output_files[i].ctx;
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520 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
521 avio_close(s->pb);
522 avformat_free_context(s);
af70aa45 523 av_dict_free(&output_files[i].opts);
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524 }
525 for(i=0;i<nb_input_files;i++) {
526 av_close_input_file(input_files[i].ctx);
527 }
528 for (i = 0; i < nb_input_streams; i++)
529 av_dict_free(&input_streams[i].opts);
530
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531 if (vstats_file)
532 fclose(vstats_file);
533 av_free(vstats_filename);
534
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535 av_freep(&input_streams);
536 av_freep(&input_files);
4288e031 537 av_freep(&output_streams);
af70aa45 538 av_freep(&output_files);
6291d7e4 539
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540 uninit_opts();
541 av_free(audio_buf);
542 av_free(audio_out);
543 allocated_audio_buf_size= allocated_audio_out_size= 0;
544 av_free(samples);
545
546#if CONFIG_AVFILTER
547 avfilter_uninit();
548#endif
776f2bb9 549 avformat_network_deinit();
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550
551 if (received_sigterm) {
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552 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
553 (int) received_sigterm);
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554 exit (255);
555 }
556
557 exit(ret); /* not all OS-es handle main() return value */
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558}
559
560static void assert_avoptions(AVDictionary *m)
561{
562 AVDictionaryEntry *t;
563 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
f24facd3 564 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
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565 exit_program(1);
566 }
567}
568
569static void assert_codec_experimental(AVCodecContext *c, int encoder)
570{
571 const char *codec_string = encoder ? "encoder" : "decoder";
572 AVCodec *codec;
573 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
574 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
f24facd3 575 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
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576 "results.\nAdd '-strict experimental' if you want to use it.\n",
577 codec_string, c->codec->name);
578 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
579 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
f24facd3 580 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
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581 codec_string, codec->name);
582 exit_program(1);
583 }
584}
585
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586static void choose_sample_fmt(AVStream *st, AVCodec *codec)
587{
588 if(codec && codec->sample_fmts){
589 const enum AVSampleFormat *p= codec->sample_fmts;
590 for(; *p!=-1; p++){
591 if(*p == st->codec->sample_fmt)
592 break;
593 }
594 if (*p == -1) {
595 av_log(NULL, AV_LOG_WARNING,
596 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
597 av_get_sample_fmt_name(st->codec->sample_fmt),
598 codec->name,
599 av_get_sample_fmt_name(codec->sample_fmts[0]));
600 st->codec->sample_fmt = codec->sample_fmts[0];
601 }
602 }
603}
604
605/**
606 * Update the requested input sample format based on the output sample format.
607 * This is currently only used to request float output from decoders which
608 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
609 * Ideally this will be removed in the future when decoders do not do format
610 * conversion and only output in their native format.
611 */
612static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
613 AVCodecContext *enc)
614{
615 /* if sample formats match or a decoder sample format has already been
616 requested, just return */
617 if (enc->sample_fmt == dec->sample_fmt ||
618 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
619 return;
620
621 /* if decoder supports more than one output format */
622 if (dec_codec && dec_codec->sample_fmts &&
623 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
624 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
625 const enum AVSampleFormat *p;
626 int min_dec = -1, min_inc = -1;
627
628 /* find a matching sample format in the encoder */
629 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
630 if (*p == enc->sample_fmt) {
631 dec->request_sample_fmt = *p;
632 return;
633 } else if (*p > enc->sample_fmt) {
634 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
635 } else
636 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
637 }
638
639 /* if none match, provide the one that matches quality closest */
640 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
641 enc->sample_fmt - min_dec;
642 }
643}
644
645static void choose_sample_rate(AVStream *st, AVCodec *codec)
646{
647 if(codec && codec->supported_samplerates){
648 const int *p= codec->supported_samplerates;
649 int best=0;
650 int best_dist=INT_MAX;
651 for(; *p; p++){
652 int dist= abs(st->codec->sample_rate - *p);
653 if(dist < best_dist){
654 best_dist= dist;
655 best= *p;
656 }
657 }
658 if(best_dist){
659 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
660 }
661 st->codec->sample_rate= best;
662 }
663}
664
665static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
666{
667 if(codec && codec->pix_fmts){
668 const enum PixelFormat *p= codec->pix_fmts;
669 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
670 if(st->codec->codec_id==CODEC_ID_MJPEG){
671 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
672 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
673 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};
674 }
675 }
676 for(; *p!=-1; p++){
677 if(*p == st->codec->pix_fmt)
678 break;
679 }
680 if (*p == -1) {
681 if(st->codec->pix_fmt != PIX_FMT_NONE)
682 av_log(NULL, AV_LOG_WARNING,
683 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
684 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
685 codec->name,
686 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
687 st->codec->pix_fmt = codec->pix_fmts[0];
688 }
689 }
690}
691
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692static double
693get_sync_ipts(const OutputStream *ost)
694{
695 const InputStream *ist = ost->sync_ist;
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696 OutputFile *of = &output_files[ost->file_index];
697 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
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698}
699
700static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
701 int ret;
702
703 while(bsfc){
704 AVPacket new_pkt= *pkt;
705 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
706 &new_pkt.data, &new_pkt.size,
707 pkt->data, pkt->size,
708 pkt->flags & AV_PKT_FLAG_KEY);
709 if(a>0){
710 av_free_packet(pkt);
711 new_pkt.destruct= av_destruct_packet;
712 } else if(a<0){
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713 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
714 bsfc->filter->name, pkt->stream_index,
715 avctx->codec ? avctx->codec->name : "copy");
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716 print_error("", a);
717 if (exit_on_error)
718 exit_program(1);
719 }
720 *pkt= new_pkt;
721
722 bsfc= bsfc->next;
723 }
724
725 ret= av_interleaved_write_frame(s, pkt);
726 if(ret < 0){
727 print_error("av_interleaved_write_frame()", ret);
728 exit_program(1);
729 }
730}
731
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732static void do_audio_out(AVFormatContext *s,
733 OutputStream *ost,
734 InputStream *ist,
735 unsigned char *buf, int size)
736{
737 uint8_t *buftmp;
738 int64_t audio_out_size, audio_buf_size;
739 int64_t allocated_for_size= size;
740
741 int size_out, frame_bytes, ret, resample_changed;
742 AVCodecContext *enc= ost->st->codec;
743 AVCodecContext *dec= ist->st->codec;
744 int osize = av_get_bytes_per_sample(enc->sample_fmt);
745 int isize = av_get_bytes_per_sample(dec->sample_fmt);
746 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
747
748need_realloc:
749 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
750 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
751 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
752 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
753 audio_buf_size*= osize*enc->channels;
754
755 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
756 if(coded_bps > 8*osize)
757 audio_out_size= audio_out_size * coded_bps / (8*osize);
758 audio_out_size += FF_MIN_BUFFER_SIZE;
759
760 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
e3245b26 761 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
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762 exit_program(1);
763 }
764
765 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
766 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
767 if (!audio_buf || !audio_out){
e3245b26 768 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
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769 exit_program(1);
770 }
771
772 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
773 ost->audio_resample = 1;
774
775 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
776 ost->resample_channels != dec->channels ||
777 ost->resample_sample_rate != dec->sample_rate;
778
779 if ((ost->audio_resample && !ost->resample) || resample_changed) {
780 if (resample_changed) {
9a414d89 781 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",
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782 ist->file_index, ist->st->index,
783 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
784 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
785 ost->resample_sample_fmt = dec->sample_fmt;
786 ost->resample_channels = dec->channels;
787 ost->resample_sample_rate = dec->sample_rate;
788 if (ost->resample)
789 audio_resample_close(ost->resample);
790 }
791 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
792 if (audio_sync_method <= 1 &&
793 ost->resample_sample_fmt == enc->sample_fmt &&
794 ost->resample_channels == enc->channels &&
795 ost->resample_sample_rate == enc->sample_rate) {
796 ost->resample = NULL;
797 ost->audio_resample = 0;
798 } else if (ost->audio_resample) {
799 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
e3245b26 800 av_log(NULL, AV_LOG_WARNING, "Using s16 intermediate sample format for resampling\n");
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801 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
802 enc->sample_rate, dec->sample_rate,
803 enc->sample_fmt, dec->sample_fmt,
804 16, 10, 0, 0.8);
805 if (!ost->resample) {
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806 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
807 dec->channels, dec->sample_rate,
808 enc->channels, enc->sample_rate);
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809 exit_program(1);
810 }
811 }
812 }
813
814#define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
815 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
816 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
817 if (ost->reformat_ctx)
818 av_audio_convert_free(ost->reformat_ctx);
819 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
820 dec->sample_fmt, 1, NULL, 0);
821 if (!ost->reformat_ctx) {
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822 av_log(NULL, AV_LOG_FATAL, "Cannot convert %s sample format to %s sample format\n",
823 av_get_sample_fmt_name(dec->sample_fmt),
824 av_get_sample_fmt_name(enc->sample_fmt));
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825 exit_program(1);
826 }
827 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
828 }
829
830 if(audio_sync_method){
831 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
832 - av_fifo_size(ost->fifo)/(enc->channels * 2);
833 double idelta= delta*dec->sample_rate / enc->sample_rate;
834 int byte_delta= ((int)idelta)*2*dec->channels;
835
836 //FIXME resample delay
837 if(fabs(delta) > 50){
838 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
839 if(byte_delta < 0){
840 byte_delta= FFMAX(byte_delta, -size);
841 size += byte_delta;
842 buf -= byte_delta;
e3245b26 843 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n", (int)-delta);
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844 if(!size)
845 return;
846 ist->is_start=0;
847 }else{
848 static uint8_t *input_tmp= NULL;
849 input_tmp= av_realloc(input_tmp, byte_delta + size);
850
851 if(byte_delta > allocated_for_size - size){
852 allocated_for_size= byte_delta + (int64_t)size;
853 goto need_realloc;
854 }
855 ist->is_start=0;
856
857 memset(input_tmp, 0, byte_delta);
858 memcpy(input_tmp + byte_delta, buf, size);
859 buf= input_tmp;
860 size += byte_delta;
e3245b26 861 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", (int)delta);
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862 }
863 }else if(audio_sync_method>1){
864 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
865 av_assert0(ost->audio_resample);
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866 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
867 delta, comp, enc->sample_rate);
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868// 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));
869 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
870 }
871 }
872 }else
873 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
874 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
875
876 if (ost->audio_resample) {
877 buftmp = audio_buf;
878 size_out = audio_resample(ost->resample,
879 (short *)buftmp, (short *)buf,
880 size / (dec->channels * isize));
881 size_out = size_out * enc->channels * osize;
882 } else {
883 buftmp = buf;
884 size_out = size;
885 }
886
887 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
888 const void *ibuf[6]= {buftmp};
889 void *obuf[6]= {audio_buf};
890 int istride[6]= {isize};
891 int ostride[6]= {osize};
892 int len= size_out/istride[0];
893 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
894 printf("av_audio_convert() failed\n");
895 if (exit_on_error)
896 exit_program(1);
897 return;
898 }
899 buftmp = audio_buf;
900 size_out = len*osize;
901 }
902
903 /* now encode as many frames as possible */
904 if (enc->frame_size > 1) {
905 /* output resampled raw samples */
906 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
e3245b26 907 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
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908 exit_program(1);
909 }
910 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
911
912 frame_bytes = enc->frame_size * osize * enc->channels;
913
914 while (av_fifo_size(ost->fifo) >= frame_bytes) {
915 AVPacket pkt;
916 av_init_packet(&pkt);
917
918 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
919
920 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
921
922 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
923 (short *)audio_buf);
924 if (ret < 0) {
e3245b26 925 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
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926 exit_program(1);
927 }
928 audio_size += ret;
929 pkt.stream_index= ost->index;
930 pkt.data= audio_out;
931 pkt.size= ret;
932 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
933 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
934 pkt.flags |= AV_PKT_FLAG_KEY;
935 write_frame(s, &pkt, enc, ost->bitstream_filters);
936
937 ost->sync_opts += enc->frame_size;
938 }
939 } else {
940 AVPacket pkt;
941 av_init_packet(&pkt);
942
943 ost->sync_opts += size_out / (osize * enc->channels);
944
945 /* output a pcm frame */
946 /* determine the size of the coded buffer */
947 size_out /= osize;
948 if (coded_bps)
949 size_out = size_out*coded_bps/8;
950
951 if(size_out > audio_out_size){
e3245b26 952 av_log(NULL, AV_LOG_FATAL, "Internal error, buffer size too small\n");
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953 exit_program(1);
954 }
955
956 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
957 ret = avcodec_encode_audio(enc, audio_out, size_out,
958 (short *)buftmp);
959 if (ret < 0) {
e3245b26 960 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
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961 exit_program(1);
962 }
963 audio_size += ret;
964 pkt.stream_index= ost->index;
965 pkt.data= audio_out;
966 pkt.size= ret;
967 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
968 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
969 pkt.flags |= AV_PKT_FLAG_KEY;
970 write_frame(s, &pkt, enc, ost->bitstream_filters);
971 }
972}
973
974static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
975{
976 AVCodecContext *dec;
977 AVPicture *picture2;
978 AVPicture picture_tmp;
979 uint8_t *buf = 0;
980
981 dec = ist->st->codec;
982
983 /* deinterlace : must be done before any resize */
984 if (do_deinterlace) {
985 int size;
986
987 /* create temporary picture */
988 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
989 buf = av_malloc(size);
990 if (!buf)
991 return;
992
993 picture2 = &picture_tmp;
994 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
995
996 if(avpicture_deinterlace(picture2, picture,
997 dec->pix_fmt, dec->width, dec->height) < 0) {
998 /* if error, do not deinterlace */
e3245b26 999 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
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1000 av_free(buf);
1001 buf = NULL;
1002 picture2 = picture;
1003 }
1004 } else {
1005 picture2 = picture;
1006 }
1007
1008 if (picture != picture2)
1009 *picture = *picture2;
1010 *bufp = buf;
1011}
1012
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1013static void do_subtitle_out(AVFormatContext *s,
1014 OutputStream *ost,
1015 InputStream *ist,
1016 AVSubtitle *sub,
1017 int64_t pts)
1018{
1019 static uint8_t *subtitle_out = NULL;
1020 int subtitle_out_max_size = 1024 * 1024;
1021 int subtitle_out_size, nb, i;
1022 AVCodecContext *enc;
1023 AVPacket pkt;
1024
1025 if (pts == AV_NOPTS_VALUE) {
e3245b26 1026 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
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1027 if (exit_on_error)
1028 exit_program(1);
1029 return;
1030 }
1031
1032 enc = ost->st->codec;
1033
1034 if (!subtitle_out) {
1035 subtitle_out = av_malloc(subtitle_out_max_size);
1036 }
1037
1038 /* Note: DVB subtitle need one packet to draw them and one other
1039 packet to clear them */
1040 /* XXX: signal it in the codec context ? */
1041 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1042 nb = 2;
1043 else
1044 nb = 1;
1045
1046 for(i = 0; i < nb; i++) {
1047 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1048 // start_display_time is required to be 0
1049 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1050 sub->end_display_time -= sub->start_display_time;
1051 sub->start_display_time = 0;
1052 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1053 subtitle_out_max_size, sub);
1054 if (subtitle_out_size < 0) {
e3245b26 1055 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
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1056 exit_program(1);
1057 }
1058
1059 av_init_packet(&pkt);
1060 pkt.stream_index = ost->index;
1061 pkt.data = subtitle_out;
1062 pkt.size = subtitle_out_size;
1063 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1064 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1065 /* XXX: the pts correction is handled here. Maybe handling
1066 it in the codec would be better */
1067 if (i == 0)
1068 pkt.pts += 90 * sub->start_display_time;
1069 else
1070 pkt.pts += 90 * sub->end_display_time;
1071 }
1072 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1073 }
1074}
1075
1076static int bit_buffer_size= 1024*256;
1077static uint8_t *bit_buffer= NULL;
1078
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1079static void do_video_resample(OutputStream *ost,
1080 InputStream *ist,
1081 AVFrame *in_picture,
1082 AVFrame **out_picture)
6291d7e4 1083{
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1084 int resample_changed = 0;
1085 AVCodecContext *dec = ist->st->codec;
1086 *out_picture = in_picture;
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1087
1088 resample_changed = ost->resample_width != dec->width ||
1089 ost->resample_height != dec->height ||
1090 ost->resample_pix_fmt != dec->pix_fmt;
1091
1092 if (resample_changed) {
1093 av_log(NULL, AV_LOG_INFO,
9a414d89 1094 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
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1095 ist->file_index, ist->st->index,
1096 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1097 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1098 if(!ost->video_resample)
5c59fa56 1099 ost->video_resample = 1;
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1100 }
1101
1102#if !CONFIG_AVFILTER
1103 if (ost->video_resample) {
87ef060c 1104 *out_picture = &ost->pict_tmp;
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1105 if (resample_changed) {
1106 /* initialize a new scaler context */
1107 sws_freeContext(ost->img_resample_ctx);
1108 ost->img_resample_ctx = sws_getContext(
1109 ist->st->codec->width,
1110 ist->st->codec->height,
1111 ist->st->codec->pix_fmt,
1112 ost->st->codec->width,
1113 ost->st->codec->height,
1114 ost->st->codec->pix_fmt,
1115 ost->sws_flags, NULL, NULL, NULL);
1116 if (ost->img_resample_ctx == NULL) {
e3245b26 1117 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
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1118 exit_program(1);
1119 }
1120 }
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1121 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1122 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
6291d7e4 1123 }
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1124#else
1125 if (resample_changed) {
1126 avfilter_graph_free(&ost->graph);
1127 if (configure_video_filters(ist, ost)) {
e3245b26 1128 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
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1129 exit_program(1);
1130 }
1131 }
6291d7e4 1132#endif
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1133 if (resample_changed) {
1134 ost->resample_width = dec->width;
1135 ost->resample_height = dec->height;
1136 ost->resample_pix_fmt = dec->pix_fmt;
1137 }
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1138}
1139
1140
1141static void do_video_out(AVFormatContext *s,
1142 OutputStream *ost,
1143 InputStream *ist,
1144 AVFrame *in_picture,
1145 int *frame_size, float quality)
1146{
553735f5 1147 int nb_frames, i, ret, format_video_sync;
87ef060c 1148 AVFrame *final_picture;
f593628e 1149 AVCodecContext *enc;
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1150 double sync_ipts;
1151
1152 enc = ost->st->codec;
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AC
1153
1154 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1155
1156 /* by default, we output a single frame */
1157 nb_frames = 1;
1158
1159 *frame_size = 0;
1160
553735f5
AC
1161 format_video_sync = video_sync_method;
1162 if (format_video_sync < 0)
1163 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1164
1165 if (format_video_sync) {
87ef060c
AC
1166 double vdelta = sync_ipts - ost->sync_opts;
1167 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1168 if (vdelta < -1.1)
1169 nb_frames = 0;
553735f5 1170 else if (format_video_sync == 2) {
87ef060c
AC
1171 if(vdelta<=-0.6){
1172 nb_frames=0;
1173 }else if(vdelta>0.6)
1174 ost->sync_opts= lrintf(sync_ipts);
1175 }else if (vdelta > 1.1)
1176 nb_frames = lrintf(vdelta);
1177//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);
1178 if (nb_frames == 0){
1179 ++nb_frames_drop;
e3245b26 1180 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
87ef060c
AC
1181 }else if (nb_frames > 1) {
1182 nb_frames_dup += nb_frames - 1;
e3245b26 1183 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames-1);
87ef060c
AC
1184 }
1185 }else
1186 ost->sync_opts= lrintf(sync_ipts);
1187
96139b5e 1188 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
87ef060c
AC
1189 if (nb_frames <= 0)
1190 return;
1191
1192 do_video_resample(ost, ist, in_picture, &final_picture);
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1193
1194 /* duplicates frame if needed */
1195 for(i=0;i<nb_frames;i++) {
1196 AVPacket pkt;
1197 av_init_packet(&pkt);
1198 pkt.stream_index= ost->index;
1199
1200 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1201 /* raw pictures are written as AVPicture structure to
bb337b4f 1202 avoid any copies. We support temporarily the older
6291d7e4 1203 method. */
f593628e
AC
1204 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1205 enc->coded_frame->top_field_first = in_picture->top_field_first;
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1206 pkt.data= (uint8_t *)final_picture;
1207 pkt.size= sizeof(AVPicture);
1208 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1209 pkt.flags |= AV_PKT_FLAG_KEY;
1210
1211 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
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1212 } else {
1213 AVFrame big_picture;
1214
1215 big_picture= *final_picture;
1216 /* better than nothing: use input picture interlaced
1217 settings */
1218 big_picture.interlaced_frame = in_picture->interlaced_frame;
1219 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
828e0bcb 1220 if (ost->top_field_first == -1)
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1221 big_picture.top_field_first = in_picture->top_field_first;
1222 else
828e0bcb 1223 big_picture.top_field_first = !!ost->top_field_first;
6291d7e4
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1224 }
1225
f4ad238c 1226 /* handles same_quant here. This is not correct because it may
6291d7e4
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1227 not be a global option */
1228 big_picture.quality = quality;
d242d80e 1229 if (!enc->me_threshold)
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1230 big_picture.pict_type = 0;
1231// big_picture.pts = AV_NOPTS_VALUE;
1232 big_picture.pts= ost->sync_opts;
1233// big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1234//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1235 if (ost->forced_kf_index < ost->forced_kf_count &&
1236 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1237 big_picture.pict_type = AV_PICTURE_TYPE_I;
1238 ost->forced_kf_index++;
1239 }
1240 ret = avcodec_encode_video(enc,
1241 bit_buffer, bit_buffer_size,
1242 &big_picture);
1243 if (ret < 0) {
e3245b26 1244 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
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1245 exit_program(1);
1246 }
1247
1248 if(ret>0){
1249 pkt.data= bit_buffer;
1250 pkt.size= ret;
1251 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1252 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1253/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1254 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1255 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1256
1257 if(enc->coded_frame->key_frame)
1258 pkt.flags |= AV_PKT_FLAG_KEY;
1259 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1260 *frame_size = ret;
1261 video_size += ret;
1262 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1263 // enc->frame_number-1, ret, enc->pict_type);
1264 /* if two pass, output log */
1265 if (ost->logfile && enc->stats_out) {
1266 fprintf(ost->logfile, "%s", enc->stats_out);
1267 }
1268 }
1269 }
1270 ost->sync_opts++;
1271 ost->frame_number++;
1272 }
1273}
1274
1275static double psnr(double d){
1276 return -10.0*log(d)/log(10.0);
1277}
1278
1279static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1280 int frame_size)
1281{
1282 AVCodecContext *enc;
1283 int frame_number;
1284 double ti1, bitrate, avg_bitrate;
1285
1286 /* this is executed just the first time do_video_stats is called */
1287 if (!vstats_file) {
1288 vstats_file = fopen(vstats_filename, "w");
1289 if (!vstats_file) {
1290 perror("fopen");
1291 exit_program(1);
1292 }
1293 }
1294
1295 enc = ost->st->codec;
1296 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1297 frame_number = ost->frame_number;
1298 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1299 if (enc->flags&CODEC_FLAG_PSNR)
1300 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1301
1302 fprintf(vstats_file,"f_size= %6d ", frame_size);
1303 /* compute pts value */
1304 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1305 if (ti1 < 0.01)
1306 ti1 = 0.01;
1307
1308 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1309 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1310 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1311 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1312 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1313 }
1314}
1315
af70aa45 1316static void print_report(OutputFile *output_files,
4288e031 1317 OutputStream *ost_table, int nb_ostreams,
c5ad2c2c 1318 int is_last_report, int64_t timer_start)
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1319{
1320 char buf[1024];
1321 OutputStream *ost;
1322 AVFormatContext *oc;
1323 int64_t total_size;
1324 AVCodecContext *enc;
1325 int frame_number, vid, i;
1326 double bitrate, ti1, pts;
1327 static int64_t last_time = -1;
1328 static int qp_histogram[52];
1329
3460dd8a
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1330 if (!print_stats && !is_last_report)
1331 return;
1332
6291d7e4
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1333 if (!is_last_report) {
1334 int64_t cur_time;
1335 /* display the report every 0.5 seconds */
1336 cur_time = av_gettime();
1337 if (last_time == -1) {
1338 last_time = cur_time;
1339 return;
1340 }
1341 if ((cur_time - last_time) < 500000)
1342 return;
1343 last_time = cur_time;
1344 }
1345
1346
af70aa45 1347 oc = output_files[0].ctx;
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1348
1349 total_size = avio_size(oc->pb);
1350 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1351 total_size= avio_tell(oc->pb);
1352
1353 buf[0] = '\0';
1354 ti1 = 1e10;
1355 vid = 0;
1356 for(i=0;i<nb_ostreams;i++) {
1357 float q = -1;
4288e031 1358 ost = &ost_table[i];
6291d7e4 1359 enc = ost->st->codec;
3d813e4c 1360 if (!ost->stream_copy && enc->coded_frame)
6291d7e4
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1361 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1362 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1363 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1364 }
1365 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1366 float t = (av_gettime()-timer_start) / 1000000.0;
1367
1368 frame_number = ost->frame_number;
1369 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1370 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1371 if(is_last_report)
1372 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1373 if(qp_hist){
1374 int j;
1375 int qp = lrintf(q);
1376 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1377 qp_histogram[qp]++;
1378 for(j=0; j<32; j++)
1379 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1380 }
1381 if (enc->flags&CODEC_FLAG_PSNR){
1382 int j;
1383 double error, error_sum=0;
1384 double scale, scale_sum=0;
1385 char type[3]= {'Y','U','V'};
1386 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1387 for(j=0; j<3; j++){
1388 if(is_last_report){
1389 error= enc->error[j];
1390 scale= enc->width*enc->height*255.0*255.0*frame_number;
1391 }else{
1392 error= enc->coded_frame->error[j];
1393 scale= enc->width*enc->height*255.0*255.0;
1394 }
1395 if(j) scale/=4;
1396 error_sum += error;
1397 scale_sum += scale;
1398 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1399 }
1400 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1401 }
1402 vid = 1;
1403 }
1404 /* compute min output value */
1405 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1406 if ((pts < ti1) && (pts > 0))
1407 ti1 = pts;
1408 }
1409 if (ti1 < 0.01)
1410 ti1 = 0.01;
1411
e3245b26 1412 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
6291d7e4 1413
e3245b26 1414 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
6291d7e4
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1415 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1416 (double)total_size / 1024, ti1, bitrate);
1417
e3245b26
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1418 if (nb_frames_dup || nb_frames_drop)
1419 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1420 nb_frames_dup, nb_frames_drop);
6291d7e4 1421
f5646a32 1422 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
6291d7e4 1423
e3245b26 1424 fflush(stderr);
6291d7e4 1425
e3245b26 1426 if (is_last_report) {
6291d7e4 1427 int64_t raw= audio_size + video_size + extra_size;
e3245b26
AK
1428 av_log(NULL, AV_LOG_INFO, "\n");
1429 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1430 video_size/1024.0,
1431 audio_size/1024.0,
1432 extra_size/1024.0,
1433 100.0*(total_size - raw)/raw
6291d7e4
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1434 );
1435 }
1436}
1437
1438static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1439{
1440 int fill_char = 0x00;
1441 if (sample_fmt == AV_SAMPLE_FMT_U8)
1442 fill_char = 0x80;
1443 memset(buf, fill_char, size);
1444}
1445
b62b5cb6 1446static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
4a4ce2e7
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1447{
1448 int i, ret;
1449
1450 for (i = 0; i < nb_ostreams; i++) {
6f1c66d5
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1451 OutputStream *ost = &ost_table[i];
1452 AVCodecContext *enc = ost->st->codec;
1453 AVFormatContext *os = output_files[ost->file_index].ctx;
1454
b62b5cb6 1455 if (!ost->encoding_needed)
6f1c66d5
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1456 continue;
1457
1458 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1459 continue;
1460 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1461 continue;
1462
1463 for(;;) {
1464 AVPacket pkt;
1465 int fifo_bytes;
1466 av_init_packet(&pkt);
1467 pkt.stream_index= ost->index;
1468
1469 switch (ost->st->codec->codec_type) {
1470 case AVMEDIA_TYPE_AUDIO:
1471 fifo_bytes = av_fifo_size(ost->fifo);
1472 ret = 0;
1473 /* encode any samples remaining in fifo */
1474 if (fifo_bytes > 0) {
1475 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1476 int fs_tmp = enc->frame_size;
1477
1478 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1479 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1480 enc->frame_size = fifo_bytes / (osize * enc->channels);
1481 } else { /* pad */
1482 int frame_bytes = enc->frame_size*osize*enc->channels;
1483 if (allocated_audio_buf_size < frame_bytes)
4a4ce2e7 1484 exit_program(1);
6f1c66d5 1485 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
4a4ce2e7
AK
1486 }
1487
6f1c66d5
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1488 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1489 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1490 ost->st->time_base.num, enc->sample_rate);
1491 enc->frame_size = fs_tmp;
1492 }
1493 if (ret <= 0) {
1494 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
4a4ce2e7 1495 }
6f1c66d5 1496 if (ret < 0) {
e3245b26 1497 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
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1498 exit_program(1);
1499 }
1500 audio_size += ret;
1501 pkt.flags |= AV_PKT_FLAG_KEY;
1502 break;
1503 case AVMEDIA_TYPE_VIDEO:
1504 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1505 if (ret < 0) {
e3245b26 1506 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
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1507 exit_program(1);
1508 }
1509 video_size += ret;
1510 if(enc->coded_frame && enc->coded_frame->key_frame)
1511 pkt.flags |= AV_PKT_FLAG_KEY;
1512 if (ost->logfile && enc->stats_out) {
1513 fprintf(ost->logfile, "%s", enc->stats_out);
1514 }
1515 break;
1516 default:
1517 ret=-1;
4a4ce2e7 1518 }
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1519
1520 if (ret <= 0)
1521 break;
1522 pkt.data = bit_buffer;
1523 pkt.size = ret;
1524 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1525 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1526 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
4a4ce2e7
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1527 }
1528 }
1529}
1530
7204ec1a
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1531/*
1532 * Check whether a packet from ist should be written into ost at this time
1533 */
1534static int check_output_constraints(InputStream *ist, OutputStream *ost)
1535{
1536 OutputFile *of = &output_files[ost->file_index];
1537 int ist_index = ist - input_streams;
1538
1539 if (ost->source_index != ist_index)
1540 return 0;
1541
1542 if (of->start_time && ist->pts < of->start_time)
1543 return 0;
1544
1545 if (of->recording_time != INT64_MAX &&
1546 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1547 (AVRational){1, 1000000}) >= 0) {
1548 ost->is_past_recording_time = 1;
1549 return 0;
1550 }
1551
1552 return 1;
1553}
1554
1555static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1556{
1557 OutputFile *of = &output_files[ost->file_index];
1558 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1559 AVPacket opkt;
1560
1561 av_init_packet(&opkt);
1562
1563 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1564 !ost->copy_initial_nonkeyframes)
1565 return;
1566
1567 /* force the input stream PTS */
1568 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1569 audio_size += pkt->size;
1570 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1571 video_size += pkt->size;
1572 ost->sync_opts++;
1573 }
1574
1575 opkt.stream_index = ost->index;
1576 if (pkt->pts != AV_NOPTS_VALUE)
1577 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1578 else
1579 opkt.pts = AV_NOPTS_VALUE;
1580
1581 if (pkt->dts == AV_NOPTS_VALUE)
1582 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1583 else
1584 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1585 opkt.dts -= ost_tb_start_time;
1586
1587 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1588 opkt.flags = pkt->flags;
1589
1590 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1591 if( ost->st->codec->codec_id != CODEC_ID_H264
1592 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1593 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1594 ) {
1595 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1596 opkt.destruct = av_destruct_packet;
1597 } else {
1598 opkt.data = pkt->data;
1599 opkt.size = pkt->size;
1600 }
1601
1602 write_frame(of->ctx, &opkt, ost->st->codec, ost->bitstream_filters);
1603 ost->st->codec->frame_number++;
1604 ost->frame_number++;
1605 av_free_packet(&opkt);
1606}
1607
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1608static void rate_emu_sleep(InputStream *ist)
1609{
1610 if (input_files[ist->file_index].rate_emu) {
1611 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1612 int64_t now = av_gettime() - ist->start;
1613 if (pts > now)
1614 usleep(pts - now);
1615 }
1616}
1617
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1618/* pkt = NULL means EOF (needed to flush decoder buffers) */
1619static int output_packet(InputStream *ist, int ist_index,
4288e031 1620 OutputStream *ost_table, int nb_ostreams,
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1621 const AVPacket *pkt)
1622{
1623 AVFormatContext *os;
1624 OutputStream *ost;
4bb0b31f 1625 int ret = 0, i;
6291d7e4 1626 int got_output;
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1627 void *buffer_to_free = NULL;
1628 static unsigned int samples_size= 0;
1629 AVSubtitle subtitle, *subtitle_to_free;
1630 int64_t pkt_pts = AV_NOPTS_VALUE;
1631#if CONFIG_AVFILTER
1632 int frame_available;
1633#endif
1634 float quality;
1635
1636 AVPacket avpkt;
1637 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1638
1639 if(ist->next_pts == AV_NOPTS_VALUE)
1640 ist->next_pts= ist->pts;
1641
1642 if (pkt == NULL) {
1643 /* EOF handling */
1644 av_init_packet(&avpkt);
1645 avpkt.data = NULL;
1646 avpkt.size = 0;
1647 goto handle_eof;
1648 } else {
1649 avpkt = *pkt;
1650 }
1651
1652 if(pkt->dts != AV_NOPTS_VALUE)
1653 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1654 if(pkt->pts != AV_NOPTS_VALUE)
1655 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1656
1657 //while we have more to decode or while the decoder did output something on EOF
2a651b71 1658 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
7204ec1a
AK
1659 uint8_t *decoded_data_buf;
1660 int decoded_data_size;
d3c1d37a 1661 AVFrame *decoded_frame, *filtered_frame;
6291d7e4
AK
1662 handle_eof:
1663 ist->pts= ist->next_pts;
1664
e3245b26
AK
1665 if(avpkt.size && avpkt.size != pkt->size)
1666 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1667 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
6291d7e4 1668 ist->showed_multi_packet_warning=1;
6291d7e4
AK
1669
1670 /* decode the packet if needed */
d3c1d37a 1671 decoded_frame = filtered_frame = NULL;
6291d7e4
AK
1672 decoded_data_buf = NULL; /* fail safe */
1673 decoded_data_size= 0;
6291d7e4 1674 subtitle_to_free = NULL;
78162b4e
AK
1675 switch(ist->st->codec->codec_type) {
1676 case AVMEDIA_TYPE_AUDIO:{
1677 if(pkt && samples_size < FFMAX(pkt->size * bps, AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1678 samples_size = FFMAX(pkt->size * bps, AVCODEC_MAX_AUDIO_FRAME_SIZE);
1679 av_free(samples);
1680 samples= av_malloc(samples_size);
1681 }
1682 decoded_data_size= samples_size;
1683 /* XXX: could avoid copy if PCM 16 bits with same
1684 endianness as CPU */
1685 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1686 &avpkt);
1687 if (ret < 0)
1688 return ret;
1689 avpkt.data += ret;
1690 avpkt.size -= ret;
1691 got_output = decoded_data_size > 0;
1692 /* Some bug in mpeg audio decoder gives */
1693 /* decoded_data_size < 0, it seems they are overflows */
1694 if (!got_output) {
1695 /* no audio frame */
1696 continue;
1697 }
1698 decoded_data_buf = (uint8_t *)samples;
1699 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1700 (ist->st->codec->sample_rate * ist->st->codec->channels);
1701 break;}
1702 case AVMEDIA_TYPE_VIDEO:
1703 if (!(decoded_frame = avcodec_alloc_frame()))
1704 return AVERROR(ENOMEM);
1705 avpkt.pts = pkt_pts;
1706 avpkt.dts = ist->pts;
1707 pkt_pts = AV_NOPTS_VALUE;
1708
1709 ret = avcodec_decode_video2(ist->st->codec,
1710 decoded_frame, &got_output, &avpkt);
1711 quality = same_quant ? decoded_frame->quality : 0;
6291d7e4 1712 if (ret < 0)
78162b4e 1713 goto fail;
6291d7e4 1714 if (!got_output) {
78162b4e
AK
1715 /* no picture yet */
1716 av_freep(&decoded_frame);
6291d7e4
AK
1717 goto discard_packet;
1718 }
78162b4e
AK
1719 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1720 decoded_frame->pkt_dts);
1721 if (ist->st->codec->time_base.num != 0) {
1722 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1723 ist->next_pts += ((int64_t)AV_TIME_BASE *
1724 ist->st->codec->time_base.num * ticks) /
1725 ist->st->codec->time_base.den;
1726 }
6291d7e4 1727 avpkt.size = 0;
78162b4e
AK
1728 buffer_to_free = NULL;
1729 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
6291d7e4 1730 break;
78162b4e
AK
1731 case AVMEDIA_TYPE_SUBTITLE:
1732 ret = avcodec_decode_subtitle2(ist->st->codec,
1733 &subtitle, &got_output, &avpkt);
1734 if (ret < 0)
1735 return ret;
1736 if (!got_output) {
1737 goto discard_packet;
6291d7e4 1738 }
78162b4e
AK
1739 subtitle_to_free = &subtitle;
1740 avpkt.size = 0;
1741 break;
1742 default:
1743 return -1;
1744 }
6291d7e4 1745
6291d7e4
AK
1746 // preprocess audio (volume)
1747 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1748 if (audio_volume != 256) {
a9a03377
AC
1749 switch (ist->st->codec->sample_fmt) {
1750 case AV_SAMPLE_FMT_U8:
1751 {
1752 uint8_t *volp = samples;
1753 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1754 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1755 *volp++ = av_clip_uint8(v);
1756 }
1757 break;
1758 }
1759 case AV_SAMPLE_FMT_S16:
1760 {
daf98908
AC
1761 int16_t *volp = samples;
1762 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1763 int v = ((*volp) * audio_volume + 128) >> 8;
1764 *volp++ = av_clip_int16(v);
1765 }
1766 break;
a9a03377
AC
1767 }
1768 case AV_SAMPLE_FMT_S32:
1769 {
1770 int32_t *volp = samples;
1771 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1772 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1773 *volp++ = av_clipl_int32(v);
1774 }
1775 break;
1776 }
1777 case AV_SAMPLE_FMT_FLT:
1778 {
1779 float *volp = samples;
1780 float scale = audio_volume / 256.f;
1781 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1782 *volp++ *= scale;
1783 }
1784 break;
1785 }
1786 case AV_SAMPLE_FMT_DBL:
1787 {
1788 double *volp = samples;
1789 double scale = audio_volume / 256.;
1790 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1791 *volp++ *= scale;
1792 }
1793 break;
1794 }
1795 default:
1796 av_log(NULL, AV_LOG_FATAL,
1797 "Audio volume adjustment on sample format %s is not supported.\n",
1798 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1799 exit_program(1);
1800 }
6291d7e4
AK
1801 }
1802 }
1803
1804 /* frame rate emulation */
2a651b71
AK
1805 rate_emu_sleep(ist);
1806
6291d7e4
AK
1807 /* if output time reached then transcode raw format,
1808 encode packets and output them */
ea065176 1809 for (i = 0; i < nb_ostreams; i++) {
45f86128 1810 int frame_size;
6291d7e4 1811
45f86128 1812 ost = &ost_table[i];
ea065176 1813
7204ec1a 1814 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
45f86128 1815 continue;
ef44a607 1816
6291d7e4 1817#if CONFIG_AVFILTER
45f86128
AK
1818 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1819 ost->input_video_filter) {
1820 AVRational sar;
1821 if (ist->st->sample_aspect_ratio.num)
1822 sar = ist->st->sample_aspect_ratio;
1823 else
1824 sar = ist->st->codec->sample_aspect_ratio;
d3c1d37a
AK
1825 av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame, ist->pts, sar);
1826 if (!(filtered_frame = avcodec_alloc_frame())) {
1827 ret = AVERROR(ENOMEM);
1828 goto fail;
1829 }
45f86128
AK
1830 }
1831 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1832 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1833 while (frame_available) {
1834 AVRational ist_pts_tb;
1835 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
d3c1d37a 1836 get_filtered_video_frame(ost->output_video_filter, filtered_frame, &ost->picref, &ist_pts_tb);
45f86128
AK
1837 if (ost->picref)
1838 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
d3c1d37a
AK
1839#else
1840 filtered_frame = decoded_frame;
6291d7e4 1841#endif
45f86128
AK
1842 os = output_files[ost->file_index].ctx;
1843
1844 /* set the input output pts pairs */
1845 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1846
51aeb694
AK
1847 av_assert0(ist->decoding_needed);
1848 switch(ost->st->codec->codec_type) {
1849 case AVMEDIA_TYPE_AUDIO:
1850 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1851 break;
1852 case AVMEDIA_TYPE_VIDEO:
6291d7e4 1853#if CONFIG_AVFILTER
51aeb694
AK
1854 if (ost->picref->video && !ost->frame_aspect_ratio)
1855 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
6291d7e4 1856#endif
51aeb694
AK
1857 do_video_out(os, ost, ist, filtered_frame, &frame_size,
1858 same_quant ? quality : ost->st->codec->global_quality);
1859 if (vstats_filename && frame_size)
1860 do_video_stats(os, ost, frame_size);
1861 break;
1862 case AVMEDIA_TYPE_SUBTITLE:
1863 do_subtitle_out(os, ost, ist, &subtitle,
1864 pkt->pts);
1865 break;
1866 default:
1867 abort();
6291d7e4 1868 }
45f86128 1869#if CONFIG_AVFILTER
45f86128
AK
1870 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1871 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1872 if (ost->picref)
1873 avfilter_unref_buffer(ost->picref);
1874 }
d3c1d37a 1875 av_freep(&filtered_frame);
6291d7e4 1876#endif
6291d7e4
AK
1877 }
1878
d3c1d37a 1879fail:
6291d7e4
AK
1880 av_free(buffer_to_free);
1881 /* XXX: allocate the subtitles in the codec ? */
1882 if (subtitle_to_free) {
1883 avsubtitle_free(subtitle_to_free);
1884 subtitle_to_free = NULL;
1885 }
d3c1d37a
AK
1886 av_freep(&decoded_frame);
1887 if (ret < 0)
1888 return ret;
6291d7e4
AK
1889 }
1890 discard_packet:
6291d7e4 1891
7204ec1a 1892 /* handle stream copy */
2a651b71
AK
1893 if (!ist->decoding_needed) {
1894 rate_emu_sleep(ist);
1895 switch (ist->st->codec->codec_type) {
1896 case AVMEDIA_TYPE_AUDIO:
1897 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1898 ist->st->codec->sample_rate;
1899 break;
1900 case AVMEDIA_TYPE_VIDEO:
1901 if (ist->st->codec->time_base.num != 0) {
1902 int ticks = ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1903 ist->next_pts += ((int64_t)AV_TIME_BASE *
1904 ist->st->codec->time_base.num * ticks) /
1905 ist->st->codec->time_base.den;
1906 }
1907 break;
1908 }
1909 }
7204ec1a
AK
1910 for (i = 0; pkt && i < nb_ostreams; i++) {
1911 ost = &ost_table[i];
1912
1913 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1914 continue;
1915
1916 do_streamcopy(ist, ost, pkt);
1917 }
1918
6291d7e4
AK
1919 return 0;
1920}
1921
af70aa45 1922static void print_sdp(OutputFile *output_files, int n)
6291d7e4
AK
1923{
1924 char sdp[2048];
af70aa45
AK
1925 int i;
1926 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1927
1928 if (!avc)
1929 exit_program(1);
1930 for (i = 0; i < n; i++)
1931 avc[i] = output_files[i].ctx;
6291d7e4
AK
1932
1933 av_sdp_create(avc, n, sdp, sizeof(sdp));
1934 printf("SDP:\n%s\n", sdp);
1935 fflush(stdout);
af70aa45 1936 av_freep(&avc);
6291d7e4
AK
1937}
1938
630902a1
AK
1939static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1940 char *error, int error_len)
1941{
1942 int i;
1943 InputStream *ist = &input_streams[ist_index];
1944 if (ist->decoding_needed) {
1945 AVCodec *codec = ist->dec;
630902a1 1946 if (!codec) {
9a414d89 1947 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
630902a1
AK
1948 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1949 return AVERROR(EINVAL);
1950 }
1951
1952 /* update requested sample format for the decoder based on the
1953 corresponding encoder sample format */
1954 for (i = 0; i < nb_output_streams; i++) {
1955 OutputStream *ost = &output_streams[i];
1956 if (ost->source_index == ist_index) {
1957 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1958 break;
1959 }
1960 }
1961
1962 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
9a414d89 1963 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
630902a1
AK
1964 ist->file_index, ist->st->index);
1965 return AVERROR(EINVAL);
1966 }
1967 assert_codec_experimental(ist->st->codec, 0);
1968 assert_avoptions(ist->opts);
1969 }
1970
1971 ist->pts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames*AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
1972 ist->next_pts = AV_NOPTS_VALUE;
1973 init_pts_correction(&ist->pts_ctx);
1974 ist->is_start = 1;
1975
1976 return 0;
1977}
1978
eaf2d37a
AC
1979static int transcode_init(OutputFile *output_files,
1980 int nb_output_files,
1981 InputFile *input_files,
1982 int nb_input_files)
6291d7e4 1983{
2c474ddb 1984 int ret = 0, i, j, k;
1bb77e51 1985 AVFormatContext *oc;
6291d7e4 1986 AVCodecContext *codec, *icodec;
4288e031 1987 OutputStream *ost;
6291d7e4
AK
1988 InputStream *ist;
1989 char error[1024];
1990 int want_sdp = 1;
b0c9e8e0 1991
f4805328
AK
1992 /* init framerate emulation */
1993 for (i = 0; i < nb_input_files; i++) {
1994 InputFile *ifile = &input_files[i];
1995 if (ifile->rate_emu)
1996 for (j = 0; j < ifile->nb_streams; j++)
1997 input_streams[j + ifile->ist_index].start = av_gettime();
1998 }
6291d7e4
AK
1999
2000 /* output stream init */
03f30c83 2001 for (i = 0; i < nb_output_files; i++) {
1bb77e51
AK
2002 oc = output_files[i].ctx;
2003 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2004 av_dump_format(oc, i, oc->filename, 1);
e3245b26 2005 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
eaf2d37a 2006 return AVERROR(EINVAL);
6291d7e4 2007 }
6291d7e4
AK
2008 }
2009
2010 /* for each output stream, we compute the right encoding parameters */
4288e031
AK
2011 for (i = 0; i < nb_output_streams; i++) {
2012 ost = &output_streams[i];
03f30c83 2013 oc = output_files[ost->file_index].ctx;
6291d7e4
AK
2014 ist = &input_streams[ost->source_index];
2015
4dbc6cee
AK
2016 if (ost->attachment_filename)
2017 continue;
2018
03f30c83 2019 codec = ost->st->codec;
6291d7e4
AK
2020 icodec = ist->st->codec;
2021
03f30c83
AK
2022 ost->st->disposition = ist->st->disposition;
2023 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
6291d7e4
AK
2024 codec->chroma_sample_location = icodec->chroma_sample_location;
2025
3d813e4c 2026 if (ost->stream_copy) {
6291d7e4
AK
2027 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2028
e6d2b737 2029 if (extra_size > INT_MAX) {
eaf2d37a 2030 return AVERROR(EINVAL);
e6d2b737 2031 }
6291d7e4
AK
2032
2033 /* if stream_copy is selected, no need to decode or encode */
03f30c83 2034 codec->codec_id = icodec->codec_id;
6291d7e4
AK
2035 codec->codec_type = icodec->codec_type;
2036
03f30c83
AK
2037 if (!codec->codec_tag) {
2038 if (!oc->oformat->codec_tag ||
2039 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2040 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
6291d7e4
AK
2041 codec->codec_tag = icodec->codec_tag;
2042 }
2043
03f30c83 2044 codec->bit_rate = icodec->bit_rate;
6291d7e4
AK
2045 codec->rc_max_rate = icodec->rc_max_rate;
2046 codec->rc_buffer_size = icodec->rc_buffer_size;
03f30c83 2047 codec->extradata = av_mallocz(extra_size);
e6d2b737 2048 if (!codec->extradata) {
eaf2d37a 2049 return AVERROR(ENOMEM);
e6d2b737 2050 }
6291d7e4 2051 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
03f30c83
AK
2052 codec->extradata_size = icodec->extradata_size;
2053 if (!copy_tb &&
2054 av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) &&
2055 av_q2d(ist->st->time_base) < 1.0/500) {
2056 codec->time_base = icodec->time_base;
6291d7e4
AK
2057 codec->time_base.num *= icodec->ticks_per_frame;
2058 av_reduce(&codec->time_base.num, &codec->time_base.den,
2059 codec->time_base.num, codec->time_base.den, INT_MAX);
03f30c83 2060 } else
6291d7e4 2061 codec->time_base = ist->st->time_base;
03f30c83 2062
6291d7e4
AK
2063 switch(codec->codec_type) {
2064 case AVMEDIA_TYPE_AUDIO:
2065 if(audio_volume != 256) {
e3245b26 2066 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
6291d7e4
AK
2067 exit_program(1);
2068 }
03f30c83
AK
2069 codec->channel_layout = icodec->channel_layout;
2070 codec->sample_rate = icodec->sample_rate;
2071 codec->channels = icodec->channels;
2072 codec->frame_size = icodec->frame_size;
6291d7e4 2073 codec->audio_service_type = icodec->audio_service_type;
03f30c83 2074 codec->block_align = icodec->block_align;
6291d7e4
AK
2075 break;
2076 case AVMEDIA_TYPE_VIDEO:
03f30c83
AK
2077 codec->pix_fmt = icodec->pix_fmt;
2078 codec->width = icodec->width;
2079 codec->height = icodec->height;
2080 codec->has_b_frames = icodec->has_b_frames;
6291d7e4 2081 if (!codec->sample_aspect_ratio.num) {
03f30c83 2082 codec->sample_aspect_ratio =
6291d7e4
AK
2083 ost->st->sample_aspect_ratio =
2084 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2085 ist->st->codec->sample_aspect_ratio.num ?
2086 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2087 }
2088 break;
2089 case AVMEDIA_TYPE_SUBTITLE:
03f30c83 2090 codec->width = icodec->width;
6291d7e4
AK
2091 codec->height = icodec->height;
2092 break;
2093 case AVMEDIA_TYPE_DATA:
3ccd1580 2094 case AVMEDIA_TYPE_ATTACHMENT:
6291d7e4
AK
2095 break;
2096 default:
2097 abort();
2098 }
2099 } else {
2100 if (!ost->enc)
2101 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
03f30c83 2102
11fdb7e1
AK
2103 ist->decoding_needed = 1;
2104 ost->encoding_needed = 1;
03f30c83 2105
6291d7e4
AK
2106 switch(codec->codec_type) {
2107 case AVMEDIA_TYPE_AUDIO:
03f30c83 2108 ost->fifo = av_fifo_alloc(1024);
e6d2b737 2109 if (!ost->fifo) {
eaf2d37a 2110 return AVERROR(ENOMEM);
e6d2b737 2111 }
6291d7e4 2112 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
03f30c83 2113
d0a19696 2114 if (!codec->sample_rate)
6291d7e4 2115 codec->sample_rate = icodec->sample_rate;
6291d7e4
AK
2116 choose_sample_rate(ost->st, ost->enc);
2117 codec->time_base = (AVRational){1, codec->sample_rate};
03f30c83 2118
6291d7e4
AK
2119 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2120 codec->sample_fmt = icodec->sample_fmt;
2121 choose_sample_fmt(ost->st, ost->enc);
03f30c83 2122
6291d7e4
AK
2123 if (!codec->channels)
2124 codec->channels = icodec->channels;
2125 codec->channel_layout = icodec->channel_layout;
2126 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2127 codec->channel_layout = 0;
03f30c83
AK
2128
2129 ost->audio_resample = codec-> sample_rate != icodec->sample_rate || audio_sync_method > 1;
2130 icodec->request_channels = codec-> channels;
6291d7e4
AK
2131 ost->resample_sample_fmt = icodec->sample_fmt;
2132 ost->resample_sample_rate = icodec->sample_rate;
2133 ost->resample_channels = icodec->channels;
2134 break;
2135 case AVMEDIA_TYPE_VIDEO:
2136 if (codec->pix_fmt == PIX_FMT_NONE)
2137 codec->pix_fmt = icodec->pix_fmt;
2138 choose_pixel_fmt(ost->st, ost->enc);
2139
2140 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
e3245b26 2141 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
6291d7e4
AK
2142 exit_program(1);
2143 }
2144
2145 if (!codec->width || !codec->height) {
2146 codec->width = icodec->width;
2147 codec->height = icodec->height;
2148 }
2149
2150 ost->video_resample = codec->width != icodec->width ||
2151 codec->height != icodec->height ||
2152 codec->pix_fmt != icodec->pix_fmt;
2153 if (ost->video_resample) {
2154#if !CONFIG_AVFILTER
2155 avcodec_get_frame_defaults(&ost->pict_tmp);
2156 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2157 codec->width, codec->height)) {
e3245b26 2158 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
6291d7e4
AK
2159 exit_program(1);
2160 }
2161 ost->img_resample_ctx = sws_getContext(
2162 icodec->width,
2163 icodec->height,
2164 icodec->pix_fmt,
2165 codec->width,
2166 codec->height,
2167 codec->pix_fmt,
2168 ost->sws_flags, NULL, NULL, NULL);
2169 if (ost->img_resample_ctx == NULL) {
e3245b26 2170 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
6291d7e4
AK
2171 exit_program(1);
2172 }
2173#endif
2174 codec->bits_per_raw_sample= 0;
2175 }
2176
03f30c83
AK
2177 ost->resample_height = icodec->height;
2178 ost->resample_width = icodec->width;
2179 ost->resample_pix_fmt = icodec->pix_fmt;
6291d7e4
AK
2180
2181 if (!ost->frame_rate.num)
2182 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
bef737a7 2183 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
6291d7e4
AK
2184 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2185 ost->frame_rate = ost->enc->supported_framerates[idx];
2186 }
2187 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2188
2189#if CONFIG_AVFILTER
2190 if (configure_video_filters(ist, ost)) {
e3245b26 2191 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
6291d7e4
AK
2192 exit(1);
2193 }
2194#endif
2195 break;
2196 case AVMEDIA_TYPE_SUBTITLE:
6291d7e4
AK
2197 break;
2198 default:
2199 abort();
2200 break;
2201 }
2202 /* two pass mode */
515901fa 2203 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
6291d7e4
AK
2204 char logfilename[1024];
2205 FILE *f;
2206
2207 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2208 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2209 i);
2210 if (codec->flags & CODEC_FLAG_PASS1) {
2211 f = fopen(logfilename, "wb");
2212 if (!f) {
e3245b26
AK
2213 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2214 logfilename, strerror(errno));
6291d7e4
AK
2215 exit_program(1);
2216 }
2217 ost->logfile = f;
2218 } else {
2219 char *logbuffer;
2220 size_t logbuffer_size;
02170990 2221 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
e3245b26
AK
2222 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2223 logfilename);
6291d7e4
AK
2224 exit_program(1);
2225 }
2226 codec->stats_in = logbuffer;
2227 }
2228 }
2229 }
2230 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
03f30c83
AK
2231 int size = codec->width * codec->height;
2232 bit_buffer_size = FFMAX(bit_buffer_size, 6*size + 200);
6291d7e4
AK
2233 }
2234 }
2235
2236 if (!bit_buffer)
2237 bit_buffer = av_malloc(bit_buffer_size);
2238 if (!bit_buffer) {
e3245b26
AK
2239 av_log(NULL, AV_LOG_ERROR, "Cannot allocate %d bytes output buffer\n",
2240 bit_buffer_size);
eaf2d37a 2241 return AVERROR(ENOMEM);
6291d7e4
AK
2242 }
2243
2244 /* open each encoder */
4288e031
AK
2245 for (i = 0; i < nb_output_streams; i++) {
2246 ost = &output_streams[i];
6291d7e4 2247 if (ost->encoding_needed) {
03f30c83 2248 AVCodec *codec = ost->enc;
6291d7e4
AK
2249 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2250 if (!codec) {
9a414d89 2251 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d:%d",
6291d7e4
AK
2252 ost->st->codec->codec_id, ost->file_index, ost->index);
2253 ret = AVERROR(EINVAL);
2254 goto dump_format;
2255 }
2256 if (dec->subtitle_header) {
2257 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2258 if (!ost->st->codec->subtitle_header) {
2259 ret = AVERROR(ENOMEM);
2260 goto dump_format;
2261 }
2262 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2263 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2264 }
2265 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
9a414d89 2266 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
6291d7e4
AK
2267 ost->file_index, ost->index);
2268 ret = AVERROR(EINVAL);
2269 goto dump_format;
2270 }
2271 assert_codec_experimental(ost->st->codec, 1);
2272 assert_avoptions(ost->opts);
2273 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2274 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2275 "It takes bits/s as argument, not kbits/s\n");
2276 extra_size += ost->st->codec->extradata_size;
d242d80e
AK
2277
2278 if (ost->st->codec->me_threshold)
2279 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
6291d7e4
AK
2280 }
2281 }
2282
630902a1
AK
2283 /* init input streams */
2284 for (i = 0; i < nb_input_streams; i++)
62486948 2285 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
630902a1 2286 goto dump_format;
6291d7e4 2287
2c474ddb
AK
2288 /* discard unused programs */
2289 for (i = 0; i < nb_input_files; i++) {
2290 InputFile *ifile = &input_files[i];
2291 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2292 AVProgram *p = ifile->ctx->programs[j];
2293 int discard = AVDISCARD_ALL;
2294
2295 for (k = 0; k < p->nb_stream_indexes; k++)
2296 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2297 discard = AVDISCARD_DEFAULT;
2298 break;
2299 }
2300 p->discard = discard;
2301 }
2302 }
2303
6291d7e4 2304 /* open files and write file headers */
af70aa45 2305 for (i = 0; i < nb_output_files; i++) {
1bb77e51
AK
2306 oc = output_files[i].ctx;
2307 oc->interrupt_callback = int_cb;
2308 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
6291d7e4
AK
2309 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2310 ret = AVERROR(EINVAL);
2311 goto dump_format;
2312 }
af70aa45 2313 assert_avoptions(output_files[i].opts);
1bb77e51 2314 if (strcmp(oc->oformat->name, "rtp")) {
6291d7e4
AK
2315 want_sdp = 0;
2316 }
2317 }
2318
2319 dump_format:
2320 /* dump the file output parameters - cannot be done before in case
2321 of stream copy */
03f30c83 2322 for (i = 0; i < nb_output_files; i++) {
af70aa45 2323 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
6291d7e4
AK
2324 }
2325
2326 /* dump the stream mapping */
e3245b26
AK
2327 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2328 for (i = 0; i < nb_output_streams; i++) {
2329 ost = &output_streams[i];
4dbc6cee
AK
2330
2331 if (ost->attachment_filename) {
2332 /* an attached file */
2333 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2334 ost->attachment_filename, ost->file_index, ost->index);
2335 continue;
2336 }
9a414d89 2337 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
e3245b26
AK
2338 input_streams[ost->source_index].file_index,
2339 input_streams[ost->source_index].st->index,
2340 ost->file_index,
2341 ost->index);
2342 if (ost->sync_ist != &input_streams[ost->source_index])
9a414d89 2343 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
e3245b26
AK
2344 ost->sync_ist->file_index,
2345 ost->sync_ist->st->index);
3d813e4c 2346 if (ost->stream_copy)
e3245b26
AK
2347 av_log(NULL, AV_LOG_INFO, " (copy)");
2348 else
2349 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2350 input_streams[ost->source_index].dec->name : "?",
2351 ost->enc ? ost->enc->name : "?");
2352 av_log(NULL, AV_LOG_INFO, "\n");
6291d7e4
AK
2353 }
2354
2355 if (ret) {
e3245b26 2356 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
eaf2d37a 2357 return ret;
6291d7e4
AK
2358 }
2359
2360 if (want_sdp) {
2361 print_sdp(output_files, nb_output_files);
2362 }
2363
eaf2d37a
AC
2364 return 0;
2365}
2366
2367/*
2368 * The following code is the main loop of the file converter
2369 */
2370static int transcode(OutputFile *output_files,
2371 int nb_output_files,
2372 InputFile *input_files,
2373 int nb_input_files)
2374{
2375 int ret, i;
2376 AVFormatContext *is, *os;
2377 OutputStream *ost;
2378 InputStream *ist;
2379 uint8_t *no_packet;
2380 int no_packet_count=0;
2381 int64_t timer_start;
2382
2383 if (!(no_packet = av_mallocz(nb_input_files)))
2384 exit_program(1);
2385
2386 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2387 if (ret < 0)
2388 goto fail;
2389
e3245b26 2390 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
6291d7e4
AK
2391 term_init();
2392
2393 timer_start = av_gettime();
2394
2395 for(; received_sigterm == 0;) {
2396 int file_index, ist_index;
2397 AVPacket pkt;
9be3c124 2398 int64_t ipts_min;
6291d7e4
AK
2399 double opts_min;
2400
9be3c124 2401 ipts_min = INT64_MAX;
6291d7e4
AK
2402 opts_min= 1e100;
2403
2404 /* select the stream that we must read now by looking at the
2405 smallest output pts */
2406 file_index = -1;
4288e031 2407 for (i = 0; i < nb_output_streams; i++) {
f21f294e 2408 OutputFile *of;
9be3c124
AC
2409 int64_t ipts;
2410 double opts;
4288e031 2411 ost = &output_streams[i];
f21f294e 2412 of = &output_files[ost->file_index];
af70aa45 2413 os = output_files[ost->file_index].ctx;
6291d7e4 2414 ist = &input_streams[ost->source_index];
f21f294e
AK
2415 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2416 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
6291d7e4 2417 continue;
c0931508 2418 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
9be3c124 2419 ipts = ist->pts;
6291d7e4
AK
2420 if (!input_files[ist->file_index].eof_reached){
2421 if(ipts < ipts_min) {
2422 ipts_min = ipts;
2423 if(input_sync ) file_index = ist->file_index;
2424 }
2425 if(opts < opts_min) {
2426 opts_min = opts;
2427 if(!input_sync) file_index = ist->file_index;
2428 }
2429 }
96139b5e
AK
2430 if (ost->frame_number >= ost->max_frames) {
2431 int j;
9b921a82
AK
2432 for (j = 0; j < of->ctx->nb_streams; j++)
2433 output_streams[of->ost_index + j].is_past_recording_time = 1;
96139b5e 2434 continue;
6291d7e4
AK
2435 }
2436 }
2437 /* if none, if is finished */
2438 if (file_index < 0) {
2439 if(no_packet_count){
2440 no_packet_count=0;
b0c9e8e0 2441 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
2442 usleep(10000);
2443 continue;
2444 }
2445 break;
2446 }
2447
6291d7e4
AK
2448 /* read a frame from it and output it in the fifo */
2449 is = input_files[file_index].ctx;
2450 ret= av_read_frame(is, &pkt);
2451 if(ret == AVERROR(EAGAIN)){
2452 no_packet[file_index]=1;
2453 no_packet_count++;
2454 continue;
2455 }
2456 if (ret < 0) {
2457 input_files[file_index].eof_reached = 1;
2458 if (opt_shortest)
2459 break;
2460 else
2461 continue;
2462 }
2463
2464 no_packet_count=0;
b0c9e8e0 2465 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
2466
2467 if (do_pkt_dump) {
2468 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2469 is->streams[pkt.stream_index]);
2470 }
2471 /* the following test is needed in case new streams appear
2472 dynamically in stream : we ignore them */
ed5b1326 2473 if (pkt.stream_index >= input_files[file_index].nb_streams)
6291d7e4
AK
2474 goto discard_packet;
2475 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2476 ist = &input_streams[ist_index];
2477 if (ist->discard)
2478 goto discard_packet;
2479
2480 if (pkt.dts != AV_NOPTS_VALUE)
2481 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2482 if (pkt.pts != AV_NOPTS_VALUE)
2483 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2484
33f75d72
AK
2485 if(pkt.pts != AV_NOPTS_VALUE)
2486 pkt.pts *= ist->ts_scale;
2487 if(pkt.dts != AV_NOPTS_VALUE)
2488 pkt.dts *= ist->ts_scale;
6291d7e4
AK
2489
2490// fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files[ist->file_index].ts_offset, ist->st->codec->codec_type);
2491 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2492 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2493 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2494 int64_t delta= pkt_dts - ist->next_pts;
2495 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2496 input_files[ist->file_index].ts_offset -= delta;
e3245b26
AK
2497 av_log(NULL, AV_LOG_DEBUG, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2498 delta, input_files[ist->file_index].ts_offset);
6291d7e4
AK
2499 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2500 if(pkt.pts != AV_NOPTS_VALUE)
2501 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2502 }
2503 }
2504
6291d7e4 2505 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
4288e031 2506 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
6291d7e4 2507
9a414d89 2508 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
e3245b26 2509 ist->file_index, ist->st->index);
6291d7e4
AK
2510 if (exit_on_error)
2511 exit_program(1);
2512 av_free_packet(&pkt);
b9630bcf 2513 continue;
6291d7e4
AK
2514 }
2515
2516 discard_packet:
2517 av_free_packet(&pkt);
2518
2519 /* dump report by using the output first video and audio streams */
c5ad2c2c 2520 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
6291d7e4
AK
2521 }
2522
2523 /* at the end of stream, we must flush the decoder buffers */
2524 for (i = 0; i < nb_input_streams; i++) {
2525 ist = &input_streams[i];
2526 if (ist->decoding_needed) {
4288e031 2527 output_packet(ist, i, output_streams, nb_output_streams, NULL);
6291d7e4
AK
2528 }
2529 }
b62b5cb6 2530 flush_encoders(output_streams, nb_output_streams);
6291d7e4
AK
2531
2532 term_exit();
2533
2534 /* write the trailer if needed and close file */
2535 for(i=0;i<nb_output_files;i++) {
af70aa45 2536 os = output_files[i].ctx;
6291d7e4
AK
2537 av_write_trailer(os);
2538 }
2539
2540 /* dump report by using the first video and audio streams */
c5ad2c2c 2541 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
6291d7e4
AK
2542
2543 /* close each encoder */
4288e031
AK
2544 for (i = 0; i < nb_output_streams; i++) {
2545 ost = &output_streams[i];
6291d7e4
AK
2546 if (ost->encoding_needed) {
2547 av_freep(&ost->st->codec->stats_in);
2548 avcodec_close(ost->st->codec);
2549 }
2550#if CONFIG_AVFILTER
2551 avfilter_graph_free(&ost->graph);
2552#endif
2553 }
2554
2555 /* close each decoder */
2556 for (i = 0; i < nb_input_streams; i++) {
2557 ist = &input_streams[i];
2558 if (ist->decoding_needed) {
2559 avcodec_close(ist->st->codec);
2560 }
2561 }
2562
2563 /* finished ! */
2564 ret = 0;
2565
2566 fail:
2567 av_freep(&bit_buffer);
b0c9e8e0 2568 av_freep(&no_packet);
6291d7e4 2569
4288e031
AK
2570 if (output_streams) {
2571 for (i = 0; i < nb_output_streams; i++) {
2572 ost = &output_streams[i];
6291d7e4 2573 if (ost) {
3d813e4c 2574 if (ost->stream_copy)
6291d7e4
AK
2575 av_freep(&ost->st->codec->extradata);
2576 if (ost->logfile) {
2577 fclose(ost->logfile);
2578 ost->logfile = NULL;
2579 }
2580 av_fifo_free(ost->fifo); /* works even if fifo is not
2581 initialized but set to zero */
2582 av_freep(&ost->st->codec->subtitle_header);
2583 av_free(ost->pict_tmp.data[0]);
2584 av_free(ost->forced_kf_pts);
2585 if (ost->video_resample)
2586 sws_freeContext(ost->img_resample_ctx);
2587 if (ost->resample)
2588 audio_resample_close(ost->resample);
2589 if (ost->reformat_ctx)
2590 av_audio_convert_free(ost->reformat_ctx);
2591 av_dict_free(&ost->opts);
6291d7e4
AK
2592 }
2593 }
6291d7e4
AK
2594 }
2595 return ret;
2596}
2597
ca46fde7 2598static double parse_frame_aspect_ratio(const char *arg)
6291d7e4
AK
2599{
2600 int x = 0, y = 0;
2601 double ar = 0;
2602 const char *p;
2603 char *end;
2604
2605 p = strchr(arg, ':');
2606 if (p) {
2607 x = strtol(arg, &end, 10);
2608 if (end == p)
2609 y = strtol(end+1, &end, 10);
2610 if (x > 0 && y > 0)
2611 ar = (double)x / (double)y;
2612 } else
2613 ar = strtod(arg, NULL);
2614
2615 if (!ar) {
e3245b26 2616 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
ca46fde7 2617 exit_program(1);
6291d7e4 2618 }
ca46fde7 2619 return ar;
6291d7e4
AK
2620}
2621
35e6f8c1 2622static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2623{
35e6f8c1 2624 return parse_option(o, "codec:a", arg, options);
6291d7e4
AK
2625}
2626
35e6f8c1 2627static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2628{
35e6f8c1 2629 return parse_option(o, "codec:v", arg, options);
6291d7e4
AK
2630}
2631
35e6f8c1 2632static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2633{
35e6f8c1 2634 return parse_option(o, "codec:s", arg, options);
6291d7e4
AK
2635}
2636
35e6f8c1 2637static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2638{
35e6f8c1 2639 return parse_option(o, "codec:d", arg, options);
6291d7e4
AK
2640}
2641
575ec4e1 2642static int opt_map(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2643{
8d2e4a7e
AK
2644 StreamMap *m = NULL;
2645 int i, negative = 0, file_idx;
2646 int sync_file_idx = -1, sync_stream_idx;
2647 char *p, *sync;
2648 char *map;
6291d7e4 2649
8d2e4a7e
AK
2650 if (*arg == '-') {
2651 negative = 1;
2652 arg++;
2653 }
2654 map = av_strdup(arg);
6291d7e4 2655
8d2e4a7e
AK
2656 /* parse sync stream first, just pick first matching stream */
2657 if (sync = strchr(map, ',')) {
2658 *sync = 0;
2659 sync_file_idx = strtol(sync + 1, &sync, 0);
2660 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
f24facd3 2661 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
8d2e4a7e
AK
2662 exit_program(1);
2663 }
2664 if (*sync)
2665 sync++;
ed5b1326 2666 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
8d2e4a7e
AK
2667 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2668 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2669 sync_stream_idx = i;
2670 break;
2671 }
ed5b1326 2672 if (i == input_files[sync_file_idx].nb_streams) {
f24facd3 2673 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
8d2e4a7e
AK
2674 "match any streams.\n", arg);
2675 exit_program(1);
2676 }
2677 }
6291d7e4 2678
8d2e4a7e
AK
2679
2680 file_idx = strtol(map, &p, 0);
2681 if (file_idx >= nb_input_files || file_idx < 0) {
f24facd3 2682 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
8d2e4a7e 2683 exit_program(1);
6291d7e4 2684 }
8d2e4a7e
AK
2685 if (negative)
2686 /* disable some already defined maps */
575ec4e1
AK
2687 for (i = 0; i < o->nb_stream_maps; i++) {
2688 m = &o->stream_maps[i];
e6674f68
AK
2689 if (file_idx == m->file_index &&
2690 check_stream_specifier(input_files[m->file_index].ctx,
8d2e4a7e
AK
2691 input_files[m->file_index].ctx->streams[m->stream_index],
2692 *p == ':' ? p + 1 : p) > 0)
2693 m->disabled = 1;
2694 }
2695 else
ed5b1326 2696 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
8d2e4a7e
AK
2697 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2698 *p == ':' ? p + 1 : p) <= 0)
2699 continue;
575ec4e1
AK
2700 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2701 &o->nb_stream_maps, o->nb_stream_maps + 1);
2702 m = &o->stream_maps[o->nb_stream_maps - 1];
8d2e4a7e
AK
2703
2704 m->file_index = file_idx;
2705 m->stream_index = i;
2706
2707 if (sync_file_idx >= 0) {
2708 m->sync_file_index = sync_file_idx;
2709 m->sync_stream_index = sync_stream_idx;
2710 } else {
2711 m->sync_file_index = file_idx;
2712 m->sync_stream_index = i;
2713 }
2714 }
2715
2716 if (!m) {
f24facd3 2717 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
8d2e4a7e
AK
2718 exit_program(1);
2719 }
2720
2721 av_freep(&map);
6291d7e4
AK
2722 return 0;
2723}
2724
4dbc6cee
AK
2725static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
2726{
2727 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
2728 &o->nb_attachments, o->nb_attachments + 1);
2729 o->attachments[o->nb_attachments - 1] = arg;
2730 return 0;
2731}
2732
e6e6060c 2733static void parse_meta_type(char *arg, char *type, int *index)
6291d7e4 2734{
039267f1 2735 if (*arg) {
a2a38d96 2736 *type = *arg;
6291d7e4
AK
2737 switch (*arg) {
2738 case 'g':
2739 break;
2740 case 's':
2741 case 'c':
2742 case 'p':
e6e6060c
AK
2743 if (*(++arg) == ':')
2744 *index = strtol(++arg, NULL, 0);
6291d7e4
AK
2745 break;
2746 default:
e3245b26 2747 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
6291d7e4
AK
2748 exit_program(1);
2749 }
2750 } else
2751 *type = 'g';
2752}
2753
847529f8 2754static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
6291d7e4
AK
2755{
2756 MetadataMap *m, *m1;
2757 char *p;
2758
847529f8
AK
2759 o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
2760 &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
6291d7e4 2761
847529f8 2762 m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
6291d7e4 2763 m->file = strtol(arg, &p, 0);
039267f1 2764 parse_meta_type(*p ? p + 1 : p, &m->type, &m->index);
6291d7e4 2765
847529f8 2766 m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
e6e6060c 2767 if (p = strchr(opt, ':'))
039267f1 2768 parse_meta_type(p + 1, &m1->type, &m1->index);
e6e6060c
AK
2769 else
2770 m1->type = 'g';
6291d7e4
AK
2771
2772 if (m->type == 'g' || m1->type == 'g')
847529f8 2773 o->metadata_global_manual = 1;
6291d7e4 2774 if (m->type == 's' || m1->type == 's')
847529f8 2775 o->metadata_streams_manual = 1;
6291d7e4 2776 if (m->type == 'c' || m1->type == 'c')
847529f8 2777 o->metadata_chapters_manual = 1;
6291d7e4
AK
2778
2779 return 0;
2780}
2781
1b648c7c 2782static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
169f0647
AK
2783{
2784 const char *codec_string = encoder ? "encoder" : "decoder";
2785 AVCodec *codec;
2786
169f0647
AK
2787 codec = encoder ?
2788 avcodec_find_encoder_by_name(name) :
2789 avcodec_find_decoder_by_name(name);
2790 if(!codec) {
f24facd3 2791 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
169f0647
AK
2792 exit_program(1);
2793 }
2794 if(codec->type != type) {
f24facd3 2795 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
169f0647
AK
2796 exit_program(1);
2797 }
1b648c7c 2798 return codec;
169f0647
AK
2799}
2800
1b648c7c 2801static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
169f0647 2802{
169f0647 2803 char *codec_name = NULL;
169f0647 2804
35e6f8c1 2805 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
1b648c7c
AK
2806 if (codec_name) {
2807 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
2808 st->codec->codec_id = codec->id;
2809 return codec;
2810 } else
2811 return avcodec_find_decoder(st->codec->codec_id);
169f0647 2812}
6291d7e4 2813
88867844
AK
2814/**
2815 * Add all the streams from the given input file to the global
2816 * list of input streams.
2817 */
35e6f8c1 2818static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
88867844 2819{
33f75d72 2820 int i, rfps, rfps_base;
88867844
AK
2821
2822 for (i = 0; i < ic->nb_streams; i++) {
2823 AVStream *st = ic->streams[i];
2824 AVCodecContext *dec = st->codec;
2825 InputStream *ist;
2826
88867844
AK
2827 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2828 ist = &input_streams[nb_input_streams - 1];
2829 ist->st = st;
2830 ist->file_index = nb_input_files;
2831 ist->discard = 1;
2832 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2833
059fb8c8
AK
2834 ist->ts_scale = 1.0;
2835 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
88867844 2836
1b648c7c 2837 ist->dec = choose_decoder(o, ic, st);
88867844
AK
2838
2839 switch (dec->codec_type) {
2840 case AVMEDIA_TYPE_AUDIO:
2130981a 2841 if (o->audio_disable)
88867844
AK
2842 st->discard= AVDISCARD_ALL;
2843 break;
2844 case AVMEDIA_TYPE_VIDEO:
2845 rfps = ic->streams[i]->r_frame_rate.num;
2846 rfps_base = ic->streams[i]->r_frame_rate.den;
2847 if (dec->lowres) {
2848 dec->flags |= CODEC_FLAG_EMU_EDGE;
2849 dec->height >>= dec->lowres;
2850 dec->width >>= dec->lowres;
2851 }
88867844
AK
2852
2853 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2854
e3245b26
AK
2855 av_log(NULL, AV_LOG_INFO,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2856 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2857 (float)rfps / rfps_base, rfps, rfps_base);
88867844
AK
2858 }
2859
2130981a 2860 if (o->video_disable)
88867844
AK
2861 st->discard= AVDISCARD_ALL;
2862 else if(video_discard)
2863 st->discard= video_discard;
2864 break;
2865 case AVMEDIA_TYPE_DATA:
2866 break;
2867 case AVMEDIA_TYPE_SUBTITLE:
2130981a 2868 if (o->subtitle_disable)
88867844
AK
2869 st->discard = AVDISCARD_ALL;
2870 break;
2871 case AVMEDIA_TYPE_ATTACHMENT:
2872 case AVMEDIA_TYPE_UNKNOWN:
2873 break;
2874 default:
2875 abort();
2876 }
2877 }
2878}
2879
a2c0b830
AK
2880static void assert_file_overwrite(const char *filename)
2881{
2882 if (!file_overwrite &&
2883 (strchr(filename, ':') == NULL || filename[1] == ':' ||
2884 av_strstart(filename, "file:", NULL))) {
2885 if (avio_check(filename, 0) == 0) {
2886 if (!using_stdin) {
2887 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
2888 fflush(stderr);
2889 if (!read_yesno()) {
2890 fprintf(stderr, "Not overwriting - exiting\n");
2891 exit_program(1);
2892 }
2893 }
2894 else {
2895 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
2896 exit_program(1);
2897 }
2898 }
2899 }
2900}
2901
2902static void dump_attachment(AVStream *st, const char *filename)
2903{
2904 int ret;
2905 AVIOContext *out = NULL;
2906 AVDictionaryEntry *e;
2907
2908 if (!st->codec->extradata_size) {
2909 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
2910 nb_input_files - 1, st->index);
2911 return;
2912 }
2913 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
2914 filename = e->value;
2915 if (!*filename) {
2916 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
2917 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
2918 exit_program(1);
2919 }
2920
2921 assert_file_overwrite(filename);
2922
2abe947a 2923 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
a2c0b830
AK
2924 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
2925 filename);
2926 exit_program(1);
2927 }
2928
2929 avio_write(out, st->codec->extradata, st->codec->extradata_size);
2930 avio_flush(out);
2931 avio_close(out);
2932}
2933
575ec4e1 2934static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
6291d7e4
AK
2935{
2936 AVFormatContext *ic;
2937 AVInputFormat *file_iformat = NULL;
88867844 2938 int err, i, ret;
6291d7e4
AK
2939 int64_t timestamp;
2940 uint8_t buf[128];
2941 AVDictionary **opts;
2942 int orig_nb_streams; // number of streams before avformat_find_stream_info
2943
7041bb3b
AK
2944 if (o->format) {
2945 if (!(file_iformat = av_find_input_format(o->format))) {
e3245b26 2946 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
6291d7e4
AK
2947 exit_program(1);
2948 }
6291d7e4
AK
2949 }
2950
2951 if (!strcmp(filename, "-"))
2952 filename = "pipe:";
2953
2954 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2955 !strcmp(filename, "/dev/stdin");
2956
2957 /* get default parameters from command line */
2958 ic = avformat_alloc_context();
2959 if (!ic) {
2960 print_error(filename, AVERROR(ENOMEM));
2961 exit_program(1);
2962 }
e2469ccf
AK
2963 if (o->nb_audio_sample_rate) {
2964 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
6291d7e4
AK
2965 av_dict_set(&format_opts, "sample_rate", buf, 0);
2966 }
6a11686d
AK
2967 if (o->nb_audio_channels) {
2968 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
6291d7e4
AK
2969 av_dict_set(&format_opts, "channels", buf, 0);
2970 }
91ea4811
AK
2971 if (o->nb_frame_rates) {
2972 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
6291d7e4 2973 }
d4397b03
AK
2974 if (o->nb_frame_sizes) {
2975 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
6291d7e4 2976 }
b2254d83
AK
2977 if (o->nb_frame_pix_fmts)
2978 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
6291d7e4 2979
6291d7e4 2980 ic->flags |= AVFMT_FLAG_NONBLOCK;
2abe947a 2981 ic->interrupt_callback = int_cb;
6291d7e4
AK
2982
2983 /* open the input file with generic libav function */
2984 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2985 if (err < 0) {
2986 print_error(filename, err);
2987 exit_program(1);
2988 }
2989 assert_avoptions(format_opts);
2990
92f1940e
AK
2991 /* apply forced codec ids */
2992 for (i = 0; i < ic->nb_streams; i++)
1b648c7c 2993 choose_decoder(o, ic, ic->streams[i]);
92f1940e 2994
6291d7e4
AK
2995 /* Set AVCodecContext options for avformat_find_stream_info */
2996 opts = setup_find_stream_info_opts(ic, codec_opts);
2997 orig_nb_streams = ic->nb_streams;
2998
2999 /* If not enough info to get the stream parameters, we decode the
3000 first frames to get it. (used in mpeg case for example) */
3001 ret = avformat_find_stream_info(ic, opts);
e3245b26
AK
3002 if (ret < 0) {
3003 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
6291d7e4
AK
3004 av_close_input_file(ic);
3005 exit_program(1);
3006 }
3007
6b779ccc 3008 timestamp = o->start_time;
6291d7e4
AK
3009 /* add the stream start time */
3010 if (ic->start_time != AV_NOPTS_VALUE)
3011 timestamp += ic->start_time;
3012
3013 /* if seeking requested, we execute it */
6b779ccc 3014 if (o->start_time != 0) {
6291d7e4
AK
3015 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3016 if (ret < 0) {
e3245b26
AK
3017 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3018 filename, (double)timestamp / AV_TIME_BASE);
6291d7e4 3019 }
6291d7e4
AK
3020 }
3021
3022 /* update the current parameters so that they match the one of the input stream */
35e6f8c1 3023 add_input_streams(o, ic);
6291d7e4
AK
3024
3025 /* dump the file content */
e3245b26 3026 av_dump_format(ic, nb_input_files, filename, 0);
6291d7e4
AK
3027
3028 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3029 input_files[nb_input_files - 1].ctx = ic;
3030 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
6b779ccc 3031 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
ed5b1326 3032 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
dc3e76f3 3033 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
6291d7e4 3034
a2c0b830
AK
3035 for (i = 0; i < o->nb_dump_attachment; i++) {
3036 int j;
3037
3038 for (j = 0; j < ic->nb_streams; j++) {
3039 AVStream *st = ic->streams[j];
3040
3041 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3042 dump_attachment(st, o->dump_attachment[i].u.str);
3043 }
3044 }
3045
6291d7e4
AK
3046 for (i = 0; i < orig_nb_streams; i++)
3047 av_dict_free(&opts[i]);
3048 av_freep(&opts);
575ec4e1
AK
3049
3050 reset_options(o);
6291d7e4
AK
3051 return 0;
3052}
3053
f233cfed
AK
3054static void parse_forced_key_frames(char *kf, OutputStream *ost,
3055 AVCodecContext *avctx)
3056{
3057 char *p;
3058 int n = 1, i;
3059 int64_t t;
3060
3061 for (p = kf; *p; p++)
3062 if (*p == ',')
3063 n++;
3064 ost->forced_kf_count = n;
3065 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3066 if (!ost->forced_kf_pts) {
3067 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3068 exit_program(1);
3069 }
3070 for (i = 0; i < n; i++) {
3071 p = i ? strchr(p, ',') + 1 : kf;
3072 t = parse_time_or_die("force_key_frames", p, 1);
3073 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3074 }
3075}
3076
3ec34462
AK
3077static uint8_t *get_line(AVIOContext *s)
3078{
3079 AVIOContext *line;
3080 uint8_t *buf;
3081 char c;
3082
3083 if (avio_open_dyn_buf(&line) < 0) {
3084 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3085 exit_program(1);
3086 }
3087
3088 while ((c = avio_r8(s)) && c != '\n')
3089 avio_w8(line, c);
3090 avio_w8(line, 0);
3091 avio_close_dyn_buf(line, &buf);
3092
3093 return buf;
3094}
3095
3096static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3097{
3098 int i, ret = 1;
3099 char filename[1000];
3100 const char *base[3] = { getenv("AVCONV_DATADIR"),
3101 getenv("HOME"),
3102 AVCONV_DATADIR,
3103 };
3104
3105 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3106 if (!base[i])
3107 continue;
3108 if (codec_name) {
3109 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3110 i != 1 ? "" : "/.avconv", codec_name, preset_name);
2abe947a 3111 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3ec34462
AK
3112 }
3113 if (ret) {
3114 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3115 i != 1 ? "" : "/.avconv", preset_name);
2abe947a 3116 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3ec34462
AK
3117 }
3118 }
3119 return ret;
3120}
3121
1b648c7c
AK
3122static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3123{
3124 char *codec_name = NULL;
3125
3126 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3127 if (!codec_name) {
3128 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3129 NULL, ost->st->codec->codec_type);
3130 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3131 } else if (!strcmp(codec_name, "copy"))
3d813e4c 3132 ost->stream_copy = 1;
1b648c7c
AK
3133 else {
3134 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3135 ost->st->codec->codec_id = ost->enc->id;
3136 }
3137}
3138
35e6f8c1 3139static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
169f0647
AK
3140{
3141 OutputStream *ost;
84ad31ff 3142 AVStream *st = avformat_new_stream(oc, NULL);
3ec34462 3143 int idx = oc->nb_streams - 1, ret = 0;
013887eb 3144 char *bsf = NULL, *next, *codec_tag = NULL;
d821cbe2 3145 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
77d9c454 3146 double qscale = -1;
3ec34462
AK
3147 char *buf = NULL, *arg = NULL, *preset = NULL;
3148 AVIOContext *s = NULL;
169f0647
AK
3149
3150 if (!st) {
f24facd3 3151 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
169f0647
AK
3152 exit_program(1);
3153 }
3154
84ad31ff
AK
3155 if (oc->nb_streams - 1 < o->nb_streamid_map)
3156 st->id = o->streamid_map[oc->nb_streams - 1];
3157
4288e031
AK
3158 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3159 nb_output_streams + 1);
3160 ost = &output_streams[nb_output_streams - 1];
40fc2810 3161 ost->file_index = nb_output_files;
169f0647
AK
3162 ost->index = idx;
3163 ost->st = st;
3164 st->codec->codec_type = type;
1b648c7c 3165 choose_encoder(o, oc, ost);
169f0647
AK
3166 if (ost->enc) {
3167 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3168 }
3169
3170 avcodec_get_context_defaults3(st->codec, ost->enc);
3171 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3172
3ec34462
AK
3173 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3174 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3175 do {
3176 buf = get_line(s);
3177 if (!buf[0] || buf[0] == '#') {
3178 av_free(buf);
3179 continue;
3180 }
3181 if (!(arg = strchr(buf, '='))) {
3182 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3183 exit_program(1);
3184 }
3185 *arg++ = 0;
3186 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3187 av_free(buf);
3188 } while (!s->eof_reached);
3189 avio_close(s);
3190 }
3191 if (ret) {
3192 av_log(NULL, AV_LOG_FATAL,
3193 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3194 preset, ost->file_index, ost->index);
3195 exit_program(1);
3196 }
3197
059fb8c8
AK
3198 ost->max_frames = INT64_MAX;
3199 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
96139b5e 3200
d821cbe2
AK
3201 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3202 while (bsf) {
3203 if (next = strchr(bsf, ','))
3204 *next++ = 0;
3205 if (!(bsfc = av_bitstream_filter_init(bsf))) {
f24facd3 3206 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
d821cbe2
AK
3207 exit_program(1);
3208 }
3209 if (bsfc_prev)
3210 bsfc_prev->next = bsfc;
3211 else
3212 ost->bitstream_filters = bsfc;
3213
3214 bsfc_prev = bsfc;
3215 bsf = next;
3216 }
3217
013887eb
AK
3218 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3219 if (codec_tag) {
3220 uint32_t tag = strtol(codec_tag, &next, 0);
3221 if (*next)
3222 tag = AV_RL32(codec_tag);
3223 st->codec->codec_tag = tag;
3224 }
3225
77d9c454
AK
3226 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3227 if (qscale >= 0 || same_quant) {
3228 st->codec->flags |= CODEC_FLAG_QSCALE;
3229 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3230 }
3231
becdce99
AK
3232 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3233 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3234
3b3ea346 3235 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
169f0647
AK
3236 return ost;
3237}
3238
2c2cff16
AK
3239static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3240{
3241 int i;
3242 const char *p = str;
3243 for(i = 0;; i++) {
3244 dest[i] = atoi(p);
3245 if(i == 63)
3246 break;
3247 p = strchr(p, ',');
3248 if(!p) {
e3245b26 3249 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
2c2cff16
AK
3250 exit_program(1);
3251 }
3252 p++;
3253 }
3254}
3255
35e6f8c1 3256static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK
3257{
3258 AVStream *st;
3259 OutputStream *ost;
3260 AVCodecContext *video_enc;
6291d7e4 3261
35e6f8c1 3262 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
6291d7e4 3263 st = ost->st;
6291d7e4
AK
3264 video_enc = st->codec;
3265
3d813e4c 3266 if (!ost->stream_copy) {
0e68c783 3267 const char *p = NULL;
d4397b03 3268 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
b2254d83 3269 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
8e5ce590 3270 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
059fb8c8 3271 int i;
6291d7e4 3272
91ea4811
AK
3273 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3274 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
f24facd3 3275 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
91ea4811
AK
3276 exit_program(1);
3277 }
6291d7e4 3278
d4397b03
AK
3279 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3280 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
f24facd3 3281 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
d4397b03
AK
3282 exit_program(1);
3283 }
3284
ca46fde7
AK
3285 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3286 if (frame_aspect_ratio)
3287 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3288
b2254d83
AK
3289 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3290 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
f24facd3 3291 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
b2254d83
AK
3292 exit_program(1);
3293 }
6291d7e4
AK
3294 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3295
2c2cff16
AK
3296 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
3297 if (intra_matrix) {
3298 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
f24facd3 3299 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
2c2cff16
AK
3300 exit_program(1);
3301 }
3302 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
3303 }
3304 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
3305 if (inter_matrix) {
3306 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
f24facd3 3307 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
2c2cff16
AK
3308 exit_program(1);
3309 }
3310 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
3311 }
6291d7e4 3312
0e68c783 3313 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
6291d7e4
AK
3314 for(i=0; p; i++){
3315 int start, end, q;
3316 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3317 if(e!=3){
e3245b26 3318 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
6291d7e4
AK
3319 exit_program(1);
3320 }
3321 video_enc->rc_override=
3322 av_realloc(video_enc->rc_override,
3323 sizeof(RcOverride)*(i+1));
3324 video_enc->rc_override[i].start_frame= start;
3325 video_enc->rc_override[i].end_frame = end;
3326 if(q>0){
3327 video_enc->rc_override[i].qscale= q;
3328 video_enc->rc_override[i].quality_factor= 1.0;
3329 }
3330 else{
3331 video_enc->rc_override[i].qscale= 0;
3332 video_enc->rc_override[i].quality_factor= -q/100.0;
3333 }
3334 p= strchr(p, '/');
3335 if(p) p++;
3336 }
3337 video_enc->rc_override_count=i;
3338 if (!video_enc->rc_initial_buffer_occupancy)
3339 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
6291d7e4
AK
3340 video_enc->intra_dc_precision= intra_dc_precision - 8;
3341
6291d7e4
AK
3342 /* two pass mode */
3343 if (do_pass) {
3344 if (do_pass == 1) {
3345 video_enc->flags |= CODEC_FLAG_PASS1;
3346 } else {
3347 video_enc->flags |= CODEC_FLAG_PASS2;
3348 }
3349 }
3350
7c029672 3351 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
6291d7e4
AK
3352 if (forced_key_frames)
3353 parse_forced_key_frames(forced_key_frames, ost, video_enc);
bef737a7 3354
059fb8c8 3355 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
828e0bcb 3356
059fb8c8
AK
3357 ost->top_field_first = -1;
3358 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
8e5ce590 3359
a2aeeb22
AK
3360 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
3361
8e5ce590
AK
3362#if CONFIG_AVFILTER
3363 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
3364 if (filters)
3365 ost->avfilter = av_strdup(filters);
3366#endif
6291d7e4 3367 }
6291d7e4 3368
3d4f0dab 3369 return ost;
6291d7e4
AK
3370}
3371
35e6f8c1 3372static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK
3373{
3374 AVStream *st;
3375 OutputStream *ost;
6291d7e4 3376 AVCodecContext *audio_enc;
6291d7e4 3377
35e6f8c1 3378 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
6291d7e4
AK
3379 st = ost->st;
3380
6291d7e4
AK
3381 audio_enc = st->codec;
3382 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3383
3d813e4c 3384 if (!ost->stream_copy) {
05bffc12
AK
3385 char *sample_fmt = NULL;
3386
6a11686d
AK
3387 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3388
05bffc12
AK
3389 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3390 if (sample_fmt &&
3391 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
f24facd3 3392 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
05bffc12
AK
3393 exit_program(1);
3394 }
3395
e2469ccf 3396 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
6291d7e4 3397 }
6291d7e4 3398
3d4f0dab 3399 return ost;
6291d7e4
AK
3400}
3401
35e6f8c1 3402static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4 3403{
6291d7e4 3404 OutputStream *ost;
6291d7e4 3405
35e6f8c1 3406 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3d813e4c 3407 if (!ost->stream_copy) {
e3245b26 3408 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
6291d7e4
AK
3409 exit_program(1);
3410 }
3411
3d4f0dab 3412 return ost;
6291d7e4
AK
3413}
3414
3ccd1580
AK
3415static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
3416{
3417 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
3d813e4c 3418 ost->stream_copy = 1;
3ccd1580
AK
3419 return ost;
3420}
3421
35e6f8c1 3422static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK
3423{
3424 AVStream *st;
3425 OutputStream *ost;
6291d7e4 3426 AVCodecContext *subtitle_enc;
6291d7e4 3427
35e6f8c1 3428 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
6291d7e4
AK
3429 st = ost->st;
3430 subtitle_enc = st->codec;
3431
6291d7e4
AK
3432 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3433
3d4f0dab 3434 return ost;
6291d7e4
AK
3435}
3436
3437/* arg format is "output-stream-index:streamid-value". */
495ecfd1 3438static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
6291d7e4
AK
3439{
3440 int idx;
3441 char *p;
3442 char idx_str[16];
3443
3444 av_strlcpy(idx_str, arg, sizeof(idx_str));
3445 p = strchr(idx_str, ':');
3446 if (!p) {
e3245b26
AK
3447 av_log(NULL, AV_LOG_FATAL,
3448 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3449 arg, opt);
6291d7e4
AK
3450 exit_program(1);
3451 }
3452 *p++ = '\0';
3453 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
495ecfd1
AK
3454 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
3455 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
6291d7e4
AK
3456 return 0;
3457}
3458
847529f8 3459static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
86530f41 3460{
6b779ccc
AK
3461 AVFormatContext *is = ifile->ctx;
3462 AVFormatContext *os = ofile->ctx;
86530f41
AK
3463 int i;
3464
3465 for (i = 0; i < is->nb_chapters; i++) {
3466 AVChapter *in_ch = is->chapters[i], *out_ch;
6b779ccc 3467 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
86530f41 3468 AV_TIME_BASE_Q, in_ch->time_base);
6b779ccc
AK
3469 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3470 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
86530f41
AK
3471
3472
3473 if (in_ch->end < ts_off)
3474 continue;
3475 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3476 break;
3477
3478 out_ch = av_mallocz(sizeof(AVChapter));
3479 if (!out_ch)
3480 return AVERROR(ENOMEM);
3481
3482 out_ch->id = in_ch->id;
3483 out_ch->time_base = in_ch->time_base;
3484 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3485 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3486
847529f8 3487 if (copy_metadata)
86530f41
AK
3488 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3489
3490 os->nb_chapters++;
3491 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3492 if (!os->chapters)
3493 return AVERROR(ENOMEM);
3494 os->chapters[os->nb_chapters - 1] = out_ch;
3495 }
3496 return 0;
3497}
3498
35e6f8c1 3499static int read_avserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
169f0647
AK
3500{
3501 int i, err;
2abe947a 3502 AVFormatContext *ic = avformat_alloc_context();
169f0647 3503
2abe947a 3504 ic->interrupt_callback = int_cb;
169f0647
AK
3505 err = avformat_open_input(&ic, filename, NULL, NULL);
3506 if (err < 0)
3507 return err;
3508 /* copy stream format */
3509 for(i=0;i<ic->nb_streams;i++) {
3510 AVStream *st;
3511 OutputStream *ost;
3512 AVCodec *codec;
3513
3514 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
35e6f8c1 3515 ost = new_output_stream(o, s, codec->type);
169f0647
AK
3516 st = ost->st;
3517
3518 // FIXME: a more elegant solution is needed
3519 memcpy(st, ic->streams[i], sizeof(AVStream));
3520 st->info = NULL;
3521 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3522
3d813e4c 3523 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
169f0647 3524 choose_sample_fmt(st, codec);
3d813e4c 3525 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
169f0647 3526 choose_pixel_fmt(st, codec);
169f0647
AK
3527 }
3528
3529 av_close_input_file(ic);
3530 return 0;
3531}
3532
7cc8d638 3533static void opt_output_file(void *optctx, const char *filename)
6291d7e4 3534{
575ec4e1 3535 OptionsContext *o = optctx;
6291d7e4 3536 AVFormatContext *oc;
3d4f0dab 3537 int i, err;
6291d7e4 3538 AVOutputFormat *file_oformat;
3d4f0dab
AK
3539 OutputStream *ost;
3540 InputStream *ist;
6291d7e4
AK
3541
3542 if (!strcmp(filename, "-"))
3543 filename = "pipe:";
3544
3545 oc = avformat_alloc_context();
3546 if (!oc) {
3547 print_error(filename, AVERROR(ENOMEM));
3548 exit_program(1);
3549 }
3550
7041bb3b
AK
3551 if (o->format) {
3552 file_oformat = av_guess_format(o->format, NULL, NULL);
6291d7e4 3553 if (!file_oformat) {
e3245b26 3554 av_log(NULL, AV_LOG_FATAL, "Requested output format '%s' is not a suitable output format\n", o->format);
6291d7e4
AK
3555 exit_program(1);
3556 }
6291d7e4
AK
3557 } else {
3558 file_oformat = av_guess_format(NULL, filename, NULL);
3559 if (!file_oformat) {
e3245b26
AK
3560 av_log(NULL, AV_LOG_FATAL, "Unable to find a suitable output format for '%s'\n",
3561 filename);
6291d7e4
AK
3562 exit_program(1);
3563 }
3564 }
3565
3566 oc->oformat = file_oformat;
2abe947a 3567 oc->interrupt_callback = int_cb;
6291d7e4
AK
3568 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3569
3570 if (!strcmp(file_oformat->name, "ffm") &&
3571 av_strstart(filename, "http:", NULL)) {
3572 /* special case for files sent to avserver: we get the stream
3573 parameters from avserver */
35e6f8c1 3574 int err = read_avserver_streams(o, oc, filename);
6291d7e4
AK
3575 if (err < 0) {
3576 print_error(filename, err);
3577 exit_program(1);
3578 }
575ec4e1 3579 } else if (!o->nb_stream_maps) {
3d4f0dab
AK
3580 /* pick the "best" stream of each type */
3581#define NEW_STREAM(type, index)\
3582 if (index >= 0) {\
35e6f8c1 3583 ost = new_ ## type ## _stream(o, oc);\
3d4f0dab
AK
3584 ost->source_index = index;\
3585 ost->sync_ist = &input_streams[index];\
3586 input_streams[index].discard = 0;\
3587 }
3588
3589 /* video: highest resolution */
2130981a 3590 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3d4f0dab
AK
3591 int area = 0, idx = -1;
3592 for (i = 0; i < nb_input_streams; i++) {
3593 ist = &input_streams[i];
3594 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3595 ist->st->codec->width * ist->st->codec->height > area) {
3596 area = ist->st->codec->width * ist->st->codec->height;
3597 idx = i;
3598 }
3599 }
3600 NEW_STREAM(video, idx);
3601 }
3602
3603 /* audio: most channels */
2130981a 3604 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3d4f0dab
AK
3605 int channels = 0, idx = -1;
3606 for (i = 0; i < nb_input_streams; i++) {
3607 ist = &input_streams[i];
3608 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3609 ist->st->codec->channels > channels) {
3610 channels = ist->st->codec->channels;
3611 idx = i;
3612 }
3613 }
3614 NEW_STREAM(audio, idx);
3615 }
3616
3617 /* subtitles: pick first */
2130981a 3618 if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3d4f0dab
AK
3619 for (i = 0; i < nb_input_streams; i++)
3620 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3621 NEW_STREAM(subtitle, i);
3622 break;
3623 }
3624 }
3625 /* do something with data? */
6291d7e4 3626 } else {
575ec4e1
AK
3627 for (i = 0; i < o->nb_stream_maps; i++) {
3628 StreamMap *map = &o->stream_maps[i];
3d4f0dab 3629
8d2e4a7e
AK
3630 if (map->disabled)
3631 continue;
3d4f0dab 3632
6cd9d0f7 3633 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3d4f0dab 3634 switch (ist->st->codec->codec_type) {
35e6f8c1
AK
3635 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3636 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3637 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3638 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3ccd1580 3639 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
3d4f0dab 3640 default:
9a414d89 3641 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
3d4f0dab
AK
3642 map->file_index, map->stream_index);
3643 exit_program(1);