avcodec: validate the channel layout vs. channel count for decoders
[libav.git] / avconv.c
CommitLineData
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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"
64dca32c 47#include "libavutil/imgutils.h"
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48#include "libavformat/os_support.h"
49
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50# include "libavfilter/avfilter.h"
51# include "libavfilter/avfiltergraph.h"
04a14d4d 52# include "libavfilter/buffersrc.h"
6291d7e4 53# include "libavfilter/vsrc_buffer.h"
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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
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77#define VSYNC_AUTO -1
78#define VSYNC_PASSTHROUGH 0
79#define VSYNC_CFR 1
80#define VSYNC_VFR 2
81
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82const char program_name[] = "avconv";
83const int program_birth_year = 2000;
84
85/* select an input stream for an output stream */
86typedef struct StreamMap {
8d2e4a7e 87 int disabled; /** 1 is this mapping is disabled by a negative map */
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88 int file_index;
89 int stream_index;
90 int sync_file_index;
91 int sync_stream_index;
92} StreamMap;
93
94/**
95 * select an input file for an output file
96 */
97typedef struct MetadataMap {
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98 int file; ///< file index
99 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
100 int index; ///< stream/chapter/program number
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101} MetadataMap;
102
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103static const OptionDef options[];
104
6291d7e4 105static int video_discard = 0;
f4ad238c 106static int same_quant = 0;
6291d7e4 107static int do_deinterlace = 0;
6291d7e4 108static int intra_dc_precision = 8;
6291d7e4 109static int qp_hist = 0;
6291d7e4 110
6291d7e4 111static int file_overwrite = 0;
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112static int do_benchmark = 0;
113static int do_hex_dump = 0;
114static int do_pkt_dump = 0;
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115static int do_pass = 0;
116static char *pass_logfilename_prefix = NULL;
e8c04f62 117static int video_sync_method = VSYNC_AUTO;
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118static int audio_sync_method = 0;
119static float audio_drift_threshold = 0.1;
120static int copy_ts = 0;
7bb3e625 121static int copy_tb = 1;
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122static int opt_shortest = 0;
123static char *vstats_filename;
124static FILE *vstats_file;
6291d7e4 125
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126static int audio_volume = 256;
127
128static int exit_on_error = 0;
129static int using_stdin = 0;
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130static int64_t video_size = 0;
131static int64_t audio_size = 0;
132static int64_t extra_size = 0;
133static int nb_frames_dup = 0;
134static int nb_frames_drop = 0;
135static int input_sync;
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136
137static float dts_delta_threshold = 10;
138
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139static int print_stats = 1;
140
6291d7e4 141static uint8_t *audio_buf;
ee458cb1 142static unsigned int allocated_audio_buf_size;
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143static uint8_t *async_buf;
144static unsigned int allocated_async_buf_size;
6291d7e4 145
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146#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
147
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148typedef struct FrameBuffer {
149 uint8_t *base[4];
150 uint8_t *data[4];
151 int linesize[4];
152
153 int h, w;
154 enum PixelFormat pix_fmt;
155
156 int refcount;
157 struct InputStream *ist;
158 struct FrameBuffer *next;
159} FrameBuffer;
160
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161typedef struct InputStream {
162 int file_index;
163 AVStream *st;
164 int discard; /* true if stream data should be discarded */
165 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
166 AVCodec *dec;
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167 AVFrame *decoded_frame;
168 AVFrame *filtered_frame;
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169
170 int64_t start; /* time when read started */
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171 /* predicted dts of the next packet read for this stream or (when there are
172 * several frames in a packet) of the next frame in current packet */
173 int64_t next_dts;
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174 /* dts of the last packet read for this stream */
175 int64_t last_dts;
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176 PtsCorrectionContext pts_ctx;
177 double ts_scale;
178 int is_start; /* is 1 at the start and after a discontinuity */
179 int showed_multi_packet_warning;
180 AVDictionary *opts;
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181
182 /* a pool of free buffers for decoded data */
183 FrameBuffer *buffer_pool;
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184} InputStream;
185
186typedef struct InputFile {
187 AVFormatContext *ctx;
188 int eof_reached; /* true if eof reached */
189 int ist_index; /* index of first stream in ist_table */
190 int buffer_size; /* current total buffer size */
191 int64_t ts_offset;
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192 int nb_streams; /* number of stream that avconv is aware of; may be different
193 from ctx.nb_streams if new streams appear during av_read_frame() */
f4805328 194 int rate_emu;
6494c001 195} InputFile;
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196
197typedef struct OutputStream {
198 int file_index; /* file index */
199 int index; /* stream index in the output file */
200 int source_index; /* InputStream index */
201 AVStream *st; /* stream in the output file */
202 int encoding_needed; /* true if encoding needed for this stream */
203 int frame_number;
204 /* input pts and corresponding output pts
205 for A/V sync */
7636c8c6 206 // double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
6291d7e4 207 struct InputStream *sync_ist; /* input stream to sync against */
7636c8c6 208 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
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209 /* pts of the first frame encoded for this stream, used for limiting
210 * recording time */
211 int64_t first_pts;
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212 AVBitStreamFilterContext *bitstream_filters;
213 AVCodec *enc;
96139b5e 214 int64_t max_frames;
ee458cb1 215 AVFrame *output_frame;
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216
217 /* video only */
218 int video_resample;
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219 int resample_height;
220 int resample_width;
221 int resample_pix_fmt;
222 AVRational frame_rate;
bef737a7 223 int force_fps;
828e0bcb 224 int top_field_first;
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225
226 float frame_aspect_ratio;
227
228 /* forced key frames */
229 int64_t *forced_kf_pts;
230 int forced_kf_count;
231 int forced_kf_index;
232
233 /* audio only */
234 int audio_resample;
235 ReSampleContext *resample; /* for audio resampling */
236 int resample_sample_fmt;
237 int resample_channels;
238 int resample_sample_rate;
239 int reformat_pair;
240 AVAudioConvert *reformat_ctx;
241 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
242 FILE *logfile;
243
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244 AVFilterContext *output_video_filter;
245 AVFilterContext *input_video_filter;
246 AVFilterBufferRef *picref;
247 char *avfilter;
248 AVFilterGraph *graph;
6291d7e4 249
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250 int64_t sws_flags;
251 AVDictionary *opts;
252 int is_past_recording_time;
253 int stream_copy;
254 const char *attachment_filename;
255 int copy_initial_nonkeyframes;
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256} OutputStream;
257
6291d7e4 258
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259typedef struct OutputFile {
260 AVFormatContext *ctx;
261 AVDictionary *opts;
4288e031 262 int ost_index; /* index of the first stream in output_streams */
ef44a607 263 int64_t recording_time; /* desired length of the resulting file in microseconds */
ea065176 264 int64_t start_time; /* start time in microseconds */
f21f294e 265 uint64_t limit_filesize;
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266} OutputFile;
267
7636c8c6 268static InputStream *input_streams = NULL;
6291d7e4 269static int nb_input_streams = 0;
7636c8c6 270static InputFile *input_files = NULL;
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271static int nb_input_files = 0;
272
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273static OutputStream *output_streams = NULL;
274static int nb_output_streams = 0;
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275static OutputFile *output_files = NULL;
276static int nb_output_files = 0;
277
575ec4e1 278typedef struct OptionsContext {
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279 /* input/output options */
280 int64_t start_time;
7041bb3b 281 const char *format;
6b779ccc 282
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283 SpecifierOpt *codec_names;
284 int nb_codec_names;
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285 SpecifierOpt *audio_channels;
286 int nb_audio_channels;
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287 SpecifierOpt *audio_sample_rate;
288 int nb_audio_sample_rate;
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289 SpecifierOpt *frame_rates;
290 int nb_frame_rates;
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291 SpecifierOpt *frame_sizes;
292 int nb_frame_sizes;
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293 SpecifierOpt *frame_pix_fmts;
294 int nb_frame_pix_fmts;
35e6f8c1 295
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296 /* input options */
297 int64_t input_ts_offset;
f4805328 298 int rate_emu;
6b779ccc 299
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300 SpecifierOpt *ts_scale;
301 int nb_ts_scale;
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302 SpecifierOpt *dump_attachment;
303 int nb_dump_attachment;
33f75d72 304
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305 /* output options */
306 StreamMap *stream_maps;
307 int nb_stream_maps;
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308 /* first item specifies output metadata, second is input */
309 MetadataMap (*meta_data_maps)[2];
310 int nb_meta_data_maps;
311 int metadata_global_manual;
312 int metadata_streams_manual;
313 int metadata_chapters_manual;
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314 const char **attachments;
315 int nb_attachments;
6b779ccc 316
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317 int chapters_input_file;
318
6b779ccc 319 int64_t recording_time;
13ccba50 320 uint64_t limit_filesize;
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321 float mux_preload;
322 float mux_max_delay;
039267f1 323
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324 int video_disable;
325 int audio_disable;
326 int subtitle_disable;
327 int data_disable;
328
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329 /* indexed by output file stream index */
330 int *streamid_map;
331 int nb_streamid_map;
332
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333 SpecifierOpt *metadata;
334 int nb_metadata;
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335 SpecifierOpt *max_frames;
336 int nb_max_frames;
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337 SpecifierOpt *bitstream_filters;
338 int nb_bitstream_filters;
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339 SpecifierOpt *codec_tags;
340 int nb_codec_tags;
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341 SpecifierOpt *sample_fmts;
342 int nb_sample_fmts;
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343 SpecifierOpt *qscale;
344 int nb_qscale;
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345 SpecifierOpt *forced_key_frames;
346 int nb_forced_key_frames;
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347 SpecifierOpt *force_fps;
348 int nb_force_fps;
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349 SpecifierOpt *frame_aspect_ratios;
350 int nb_frame_aspect_ratios;
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351 SpecifierOpt *rc_overrides;
352 int nb_rc_overrides;
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353 SpecifierOpt *intra_matrices;
354 int nb_intra_matrices;
355 SpecifierOpt *inter_matrices;
356 int nb_inter_matrices;
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357 SpecifierOpt *top_field_first;
358 int nb_top_field_first;
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359 SpecifierOpt *metadata_map;
360 int nb_metadata_map;
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361 SpecifierOpt *presets;
362 int nb_presets;
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363 SpecifierOpt *copy_initial_nonkeyframes;
364 int nb_copy_initial_nonkeyframes;
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365 SpecifierOpt *filters;
366 int nb_filters;
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367} OptionsContext;
368
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369#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
370{\
371 int i, ret;\
372 for (i = 0; i < o->nb_ ## name; i++) {\
373 char *spec = o->name[i].specifier;\
374 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
375 outvar = o->name[i].u.type;\
376 else if (ret < 0)\
377 exit_program(1);\
378 }\
379}
380
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381static void reset_options(OptionsContext *o)
382{
383 const OptionDef *po = options;
384
385 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
386 while (po->name) {
387 void *dst = (uint8_t*)o + po->u.off;
388
389 if (po->flags & OPT_SPEC) {
390 SpecifierOpt **so = dst;
391 int i, *count = (int*)(so + 1);
392 for (i = 0; i < *count; i++) {
393 av_freep(&(*so)[i].specifier);
394 if (po->flags & OPT_STRING)
395 av_freep(&(*so)[i].u.str);
396 }
397 av_freep(so);
398 *count = 0;
399 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
400 av_freep(dst);
401 po++;
402 }
403
404 av_freep(&o->stream_maps);
847529f8 405 av_freep(&o->meta_data_maps);
495ecfd1 406 av_freep(&o->streamid_map);
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407
408 memset(o, 0, sizeof(*o));
6b779ccc 409
dc26318c 410 o->mux_max_delay = 0.7;
6b779ccc 411 o->recording_time = INT64_MAX;
13ccba50 412 o->limit_filesize = UINT64_MAX;
c5bb372e 413 o->chapters_input_file = INT_MAX;
6b779ccc 414
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415 uninit_opts();
416 init_opts();
417}
418
bc1ef855 419static int alloc_buffer(InputStream *ist, AVCodecContext *s, FrameBuffer **pbuf)
64dca32c 420{
64dca32c 421 FrameBuffer *buf = av_mallocz(sizeof(*buf));
3715d841 422 int i, ret;
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423 const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;
424 int h_chroma_shift, v_chroma_shift;
425 int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1
426 int w = s->width, h = s->height;
427
428 if (!buf)
429 return AVERROR(ENOMEM);
430
431 if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
432 w += 2*edge;
433 h += 2*edge;
434 }
435
436 avcodec_align_dimensions(s, &w, &h);
437 if ((ret = av_image_alloc(buf->base, buf->linesize, w, h,
438 s->pix_fmt, 32)) < 0) {
439 av_freep(&buf);
440 return ret;
441 }
442 /* XXX this shouldn't be needed, but some tests break without this line
443 * those decoders are buggy and need to be fixed.
444 * the following tests fail:
f320fb89 445 * cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit
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446 */
447 memset(buf->base[0], 128, ret);
448
449 avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
3715d841 450 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
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451 const int h_shift = i==0 ? 0 : h_chroma_shift;
452 const int v_shift = i==0 ? 0 : v_chroma_shift;
453 if (s->flags & CODEC_FLAG_EMU_EDGE)
454 buf->data[i] = buf->base[i];
455 else
456 buf->data[i] = buf->base[i] +
457 FFALIGN((buf->linesize[i]*edge >> v_shift) +
458 (pixel_size*edge >> h_shift), 32);
459 }
460 buf->w = s->width;
461 buf->h = s->height;
462 buf->pix_fmt = s->pix_fmt;
463 buf->ist = ist;
464
465 *pbuf = buf;
466 return 0;
467}
468
469static void free_buffer_pool(InputStream *ist)
470{
471 FrameBuffer *buf = ist->buffer_pool;
472 while (buf) {
473 ist->buffer_pool = buf->next;
474 av_freep(&buf->base[0]);
475 av_free(buf);
476 buf = ist->buffer_pool;
477 }
478}
479
480static void unref_buffer(InputStream *ist, FrameBuffer *buf)
481{
482 av_assert0(buf->refcount);
483 buf->refcount--;
484 if (!buf->refcount) {
485 buf->next = ist->buffer_pool;
486 ist->buffer_pool = buf;
487 }
488}
489
490static int codec_get_buffer(AVCodecContext *s, AVFrame *frame)
491{
492 InputStream *ist = s->opaque;
493 FrameBuffer *buf;
494 int ret, i;
495
bc1ef855 496 if (!ist->buffer_pool && (ret = alloc_buffer(ist, s, &ist->buffer_pool)) < 0)
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497 return ret;
498
499 buf = ist->buffer_pool;
500 ist->buffer_pool = buf->next;
501 buf->next = NULL;
502 if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) {
503 av_freep(&buf->base[0]);
504 av_free(buf);
bc1ef855 505 if ((ret = alloc_buffer(ist, s, &buf)) < 0)
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506 return ret;
507 }
508 buf->refcount++;
509
510 frame->opaque = buf;
511 frame->type = FF_BUFFER_TYPE_USER;
512 frame->extended_data = frame->data;
513 frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE;
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514 frame->width = buf->w;
515 frame->height = buf->h;
516 frame->format = buf->pix_fmt;
517 frame->sample_aspect_ratio = s->sample_aspect_ratio;
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518
519 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
520 frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't
521 frame->data[i] = buf->data[i];
522 frame->linesize[i] = buf->linesize[i];
523 }
524
525 return 0;
526}
527
528static void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
529{
530 InputStream *ist = s->opaque;
531 FrameBuffer *buf = frame->opaque;
532 int i;
533
534 for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
535 frame->data[i] = NULL;
536
537 unref_buffer(ist, buf);
538}
539
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540static void filter_release_buffer(AVFilterBuffer *fb)
541{
542 FrameBuffer *buf = fb->priv;
543 av_free(fb);
544 unref_buffer(buf->ist, buf);
545}
546
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547static int configure_video_filters(InputStream *ist, OutputStream *ost)
548{
549 AVFilterContext *last_filter, *filter;
550 /** filter graph containing all filters including input & output */
551 AVCodecContext *codec = ost->st->codec;
552 AVCodecContext *icodec = ist->st->codec;
abe655a4 553 SinkContext sink_ctx = { .pix_fmt = codec->pix_fmt };
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554 AVRational sample_aspect_ratio;
555 char args[255];
556 int ret;
557
558 ost->graph = avfilter_graph_alloc();
559
7636c8c6 560 if (ist->st->sample_aspect_ratio.num) {
6291d7e4 561 sample_aspect_ratio = ist->st->sample_aspect_ratio;
7636c8c6 562 } else
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563 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
564
565 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
566 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
567 sample_aspect_ratio.num, sample_aspect_ratio.den);
568
569 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
570 "src", args, NULL, ost->graph);
571 if (ret < 0)
572 return ret;
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573 ret = avfilter_graph_create_filter(&ost->output_video_filter, &sink,
574 "out", NULL, &sink_ctx, ost->graph);
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575 if (ret < 0)
576 return ret;
577 last_filter = ost->input_video_filter;
578
7636c8c6 579 if (codec->width != icodec->width || codec->height != icodec->height) {
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580 snprintf(args, 255, "%d:%d:flags=0x%X",
581 codec->width,
582 codec->height,
3b3ea346 583 (unsigned)ost->sws_flags);
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584 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
585 NULL, args, NULL, ost->graph)) < 0)
586 return ret;
587 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
588 return ret;
589 last_filter = filter;
590 }
591
3b3ea346 592 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
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593 ost->graph->scale_sws_opts = av_strdup(args);
594
595 if (ost->avfilter) {
596 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
597 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
598
599 outputs->name = av_strdup("in");
600 outputs->filter_ctx = last_filter;
601 outputs->pad_idx = 0;
602 outputs->next = NULL;
603
604 inputs->name = av_strdup("out");
605 inputs->filter_ctx = ost->output_video_filter;
606 inputs->pad_idx = 0;
607 inputs->next = NULL;
608
609 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
610 return ret;
6291d7e4
AK
611 } else {
612 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
613 return ret;
614 }
615
616 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
617 return ret;
618
619 codec->width = ost->output_video_filter->inputs[0]->w;
620 codec->height = ost->output_video_filter->inputs[0]->h;
621 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
bb337b4f 622 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
7636c8c6 623 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
6291d7e4
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624 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
625
626 return 0;
627}
6291d7e4
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628
629static void term_exit(void)
630{
631 av_log(NULL, AV_LOG_QUIET, "");
632}
633
634static volatile int received_sigterm = 0;
635static volatile int received_nb_signals = 0;
636
637static void
638sigterm_handler(int sig)
639{
640 received_sigterm = sig;
641 received_nb_signals++;
642 term_exit();
643}
644
645static void term_init(void)
646{
7636c8c6 647 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
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648 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
649#ifdef SIGXCPU
650 signal(SIGXCPU, sigterm_handler);
651#endif
652}
653
2abe947a 654static int decode_interrupt_cb(void *ctx)
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655{
656 return received_nb_signals > 1;
657}
658
2abe947a
MS
659static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
660
dad09ff9 661void exit_program(int ret)
6291d7e4
AK
662{
663 int i;
664
665 /* close files */
7636c8c6 666 for (i = 0; i < nb_output_files; i++) {
af70aa45 667 AVFormatContext *s = output_files[i].ctx;
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668 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
669 avio_close(s->pb);
670 avformat_free_context(s);
af70aa45 671 av_dict_free(&output_files[i].opts);
6291d7e4 672 }
1135a071
JG
673 for (i = 0; i < nb_output_streams; i++) {
674 AVBitStreamFilterContext *bsfc = output_streams[i].bitstream_filters;
675 while (bsfc) {
676 AVBitStreamFilterContext *next = bsfc->next;
677 av_bitstream_filter_close(bsfc);
678 bsfc = next;
679 }
680 output_streams[i].bitstream_filters = NULL;
ac646076 681
ee458cb1
JR
682 if (output_streams[i].output_frame) {
683 AVFrame *frame = output_streams[i].output_frame;
684 if (frame->extended_data != frame->data)
685 av_freep(&frame->extended_data);
686 av_freep(&frame);
687 }
688
ac646076 689 av_freep(&output_streams[i].avfilter);
1135a071 690 }
7636c8c6 691 for (i = 0; i < nb_input_files; i++) {
cd3716b9 692 avformat_close_input(&input_files[i].ctx);
6291d7e4 693 }
9179f27c
JR
694 for (i = 0; i < nb_input_streams; i++) {
695 av_freep(&input_streams[i].decoded_frame);
696 av_freep(&input_streams[i].filtered_frame);
6291d7e4 697 av_dict_free(&input_streams[i].opts);
64dca32c 698 free_buffer_pool(&input_streams[i]);
9179f27c 699 }
6291d7e4 700
6291d7e4
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701 if (vstats_file)
702 fclose(vstats_file);
703 av_free(vstats_filename);
704
6291d7e4
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705 av_freep(&input_streams);
706 av_freep(&input_files);
4288e031 707 av_freep(&output_streams);
af70aa45 708 av_freep(&output_files);
6291d7e4 709
6291d7e4
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710 uninit_opts();
711 av_free(audio_buf);
ee458cb1 712 allocated_audio_buf_size = 0;
f3ab3e1a
JR
713 av_free(async_buf);
714 allocated_async_buf_size = 0;
6291d7e4 715
6291d7e4 716 avfilter_uninit();
776f2bb9 717 avformat_network_deinit();
6291d7e4
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718
719 if (received_sigterm) {
e3245b26
AK
720 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
721 (int) received_sigterm);
6291d7e4
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722 exit (255);
723 }
724
f75e3d25 725 exit(ret);
6291d7e4
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726}
727
728static void assert_avoptions(AVDictionary *m)
729{
730 AVDictionaryEntry *t;
731 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
f24facd3 732 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
6291d7e4
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733 exit_program(1);
734 }
735}
736
737static void assert_codec_experimental(AVCodecContext *c, int encoder)
738{
739 const char *codec_string = encoder ? "encoder" : "decoder";
740 AVCodec *codec;
741 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
742 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
f24facd3 743 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
6291d7e4
AK
744 "results.\nAdd '-strict experimental' if you want to use it.\n",
745 codec_string, c->codec->name);
746 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
747 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
f24facd3 748 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
6291d7e4
AK
749 codec_string, codec->name);
750 exit_program(1);
751 }
752}
753
6291d7e4
AK
754static void choose_sample_fmt(AVStream *st, AVCodec *codec)
755{
7636c8c6
AD
756 if (codec && codec->sample_fmts) {
757 const enum AVSampleFormat *p = codec->sample_fmts;
758 for (; *p != -1; p++) {
759 if (*p == st->codec->sample_fmt)
6291d7e4
AK
760 break;
761 }
762 if (*p == -1) {
763 av_log(NULL, AV_LOG_WARNING,
764 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
765 av_get_sample_fmt_name(st->codec->sample_fmt),
766 codec->name,
767 av_get_sample_fmt_name(codec->sample_fmts[0]));
768 st->codec->sample_fmt = codec->sample_fmts[0];
769 }
770 }
771}
772
773/**
774 * Update the requested input sample format based on the output sample format.
775 * This is currently only used to request float output from decoders which
776 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
777 * Ideally this will be removed in the future when decoders do not do format
778 * conversion and only output in their native format.
779 */
780static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
781 AVCodecContext *enc)
782{
783 /* if sample formats match or a decoder sample format has already been
784 requested, just return */
785 if (enc->sample_fmt == dec->sample_fmt ||
786 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
787 return;
788
789 /* if decoder supports more than one output format */
790 if (dec_codec && dec_codec->sample_fmts &&
791 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
792 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
793 const enum AVSampleFormat *p;
794 int min_dec = -1, min_inc = -1;
795
796 /* find a matching sample format in the encoder */
797 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
798 if (*p == enc->sample_fmt) {
799 dec->request_sample_fmt = *p;
800 return;
801 } else if (*p > enc->sample_fmt) {
802 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
803 } else
804 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
805 }
806
807 /* if none match, provide the one that matches quality closest */
808 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
809 enc->sample_fmt - min_dec;
810 }
811}
812
813static void choose_sample_rate(AVStream *st, AVCodec *codec)
814{
7636c8c6
AD
815 if (codec && codec->supported_samplerates) {
816 const int *p = codec->supported_samplerates;
817 int best = 0;
818 int best_dist = INT_MAX;
819 for (; *p; p++) {
820 int dist = abs(st->codec->sample_rate - *p);
821 if (dist < best_dist) {
822 best_dist = dist;
823 best = *p;
6291d7e4
AK
824 }
825 }
7636c8c6 826 if (best_dist) {
6291d7e4
AK
827 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
828 }
7636c8c6 829 st->codec->sample_rate = best;
6291d7e4
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830 }
831}
832
833static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
834{
7636c8c6
AD
835 if (codec && codec->pix_fmts) {
836 const enum PixelFormat *p = codec->pix_fmts;
837 if (st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
838 if (st->codec->codec_id == CODEC_ID_MJPEG) {
839 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
840 } else if (st->codec->codec_id == CODEC_ID_LJPEG) {
841 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
842 PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
6291d7e4
AK
843 }
844 }
105ab61c 845 for (; *p != PIX_FMT_NONE; p++) {
7636c8c6 846 if (*p == st->codec->pix_fmt)
6291d7e4
AK
847 break;
848 }
105ab61c 849 if (*p == PIX_FMT_NONE) {
7636c8c6 850 if (st->codec->pix_fmt != PIX_FMT_NONE)
6291d7e4 851 av_log(NULL, AV_LOG_WARNING,
7636c8c6
AD
852 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
853 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
854 codec->name,
855 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
6291d7e4
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856 st->codec->pix_fmt = codec->pix_fmts[0];
857 }
858 }
859}
860
6291d7e4 861static double
6e983902 862get_sync_ipts(const OutputStream *ost, int64_t pts)
6291d7e4 863{
ea065176 864 OutputFile *of = &output_files[ost->file_index];
6e983902 865 return (double)(pts - of->start_time) / AV_TIME_BASE;
6291d7e4
AK
866}
867
f15f02c2 868static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
7636c8c6 869{
f15f02c2
AK
870 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
871 AVCodecContext *avctx = ost->st->codec;
6291d7e4
AK
872 int ret;
873
99932847
AK
874 /*
875 * Audio encoders may split the packets -- #frames in != #packets out.
876 * But there is no reordering, so we can limit the number of output packets
877 * by simply dropping them here.
878 * Counting encoded video frames needs to be done separately because of
879 * reordering, see do_video_out()
880 */
881 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
c9594fe0
JR
882 if (ost->frame_number >= ost->max_frames) {
883 av_free_packet(pkt);
99932847 884 return;
c9594fe0 885 }
99932847
AK
886 ost->frame_number++;
887 }
888
7636c8c6
AD
889 while (bsfc) {
890 AVPacket new_pkt = *pkt;
891 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
892 &new_pkt.data, &new_pkt.size,
893 pkt->data, pkt->size,
894 pkt->flags & AV_PKT_FLAG_KEY);
895 if (a > 0) {
6291d7e4 896 av_free_packet(pkt);
7636c8c6
AD
897 new_pkt.destruct = av_destruct_packet;
898 } else if (a < 0) {
e3245b26
AK
899 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
900 bsfc->filter->name, pkt->stream_index,
901 avctx->codec ? avctx->codec->name : "copy");
6291d7e4
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902 print_error("", a);
903 if (exit_on_error)
904 exit_program(1);
905 }
7636c8c6 906 *pkt = new_pkt;
6291d7e4 907
7636c8c6 908 bsfc = bsfc->next;
6291d7e4
AK
909 }
910
61a09968 911 pkt->stream_index = ost->index;
7636c8c6
AD
912 ret = av_interleaved_write_frame(s, pkt);
913 if (ret < 0) {
6291d7e4
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914 print_error("av_interleaved_write_frame()", ret);
915 exit_program(1);
916 }
917}
918
1270e12e
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919static int check_recording_time(OutputStream *ost)
920{
921 OutputFile *of = &output_files[ost->file_index];
922
923 if (of->recording_time != INT64_MAX &&
924 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
925 AV_TIME_BASE_Q) >= 0) {
926 ost->is_past_recording_time = 1;
927 return 0;
928 }
929 return 1;
930}
931
fdab793a
AC
932static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
933{
934 int fill_char = 0x00;
935 if (sample_fmt == AV_SAMPLE_FMT_U8)
936 fill_char = 0x80;
937 memset(buf, fill_char, size);
938}
939
ee458cb1
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940static int encode_audio_frame(AVFormatContext *s, OutputStream *ost,
941 const uint8_t *buf, int buf_size)
942{
943 AVCodecContext *enc = ost->st->codec;
944 AVFrame *frame = NULL;
945 AVPacket pkt;
946 int ret, got_packet;
947
948 av_init_packet(&pkt);
949 pkt.data = NULL;
950 pkt.size = 0;
951
952 if (buf) {
953 if (!ost->output_frame) {
954 ost->output_frame = avcodec_alloc_frame();
955 if (!ost->output_frame) {
956 av_log(NULL, AV_LOG_FATAL, "out-of-memory in encode_audio_frame()\n");
957 exit_program(1);
958 }
959 }
960 frame = ost->output_frame;
961 if (frame->extended_data != frame->data)
962 av_freep(&frame->extended_data);
963 avcodec_get_frame_defaults(frame);
964
965 frame->nb_samples = buf_size /
966 (enc->channels * av_get_bytes_per_sample(enc->sample_fmt));
967 if ((ret = avcodec_fill_audio_frame(frame, enc->channels, enc->sample_fmt,
968 buf, buf_size, 1)) < 0) {
969 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
970 exit_program(1);
971 }
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972
973 if (!check_recording_time(ost))
974 return 0;
975
9b9fc9ba 976 frame->pts = ost->sync_opts;
1270e12e 977 ost->sync_opts += frame->nb_samples;
ee458cb1
JR
978 }
979
980 got_packet = 0;
981 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
982 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
983 exit_program(1);
984 }
985
986 if (got_packet) {
ee458cb1
JR
987 if (pkt.pts != AV_NOPTS_VALUE)
988 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
a75bc764
JR
989 if (pkt.dts != AV_NOPTS_VALUE)
990 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
ee458cb1
JR
991 if (pkt.duration > 0)
992 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
993
994 write_frame(s, &pkt, ost);
995
996 audio_size += pkt.size;
997 }
998
ee458cb1
JR
999 return pkt.size;
1000}
1001
9869e963
JR
1002static int alloc_audio_output_buf(AVCodecContext *dec, AVCodecContext *enc,
1003 int nb_samples)
1004{
1005 int64_t audio_buf_samples;
1006 int audio_buf_size;
1007
1008 /* calculate required number of samples to allocate */
1009 audio_buf_samples = ((int64_t)nb_samples * enc->sample_rate + dec->sample_rate) /
1010 dec->sample_rate;
4094fc99 1011 audio_buf_samples = 4 * audio_buf_samples + 16; // safety factors for resampling
9869e963
JR
1012 audio_buf_samples = FFMAX(audio_buf_samples, enc->frame_size);
1013 if (audio_buf_samples > INT_MAX)
1014 return AVERROR(EINVAL);
1015
1016 audio_buf_size = av_samples_get_buffer_size(NULL, enc->channels,
1017 audio_buf_samples,
1018 enc->sample_fmt, 32);
1019 if (audio_buf_size < 0)
1020 return audio_buf_size;
1021
1022 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
1023 if (!audio_buf)
1024 return AVERROR(ENOMEM);
1025
1026 return 0;
1027}
1028
d1241ff3
JR
1029static void do_audio_out(AVFormatContext *s, OutputStream *ost,
1030 InputStream *ist, AVFrame *decoded_frame)
6291d7e4
AK
1031{
1032 uint8_t *buftmp;
6291d7e4 1033
ee458cb1 1034 int size_out, frame_bytes, resample_changed;
7636c8c6
AD
1035 AVCodecContext *enc = ost->st->codec;
1036 AVCodecContext *dec = ist->st->codec;
6291d7e4
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1037 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1038 int isize = av_get_bytes_per_sample(dec->sample_fmt);
d1241ff3
JR
1039 uint8_t *buf = decoded_frame->data[0];
1040 int size = decoded_frame->nb_samples * dec->channels * isize;
7636c8c6 1041
9869e963
JR
1042 if (alloc_audio_output_buf(dec, enc, decoded_frame->nb_samples) < 0) {
1043 av_log(NULL, AV_LOG_FATAL, "Error allocating audio buffer\n");
6291d7e4
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1044 exit_program(1);
1045 }
1046
1047 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
1048 ost->audio_resample = 1;
1049
1050 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
1051 ost->resample_channels != dec->channels ||
1052 ost->resample_sample_rate != dec->sample_rate;
1053
1054 if ((ost->audio_resample && !ost->resample) || resample_changed) {
1055 if (resample_changed) {
9a414d89 1056 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",
6291d7e4
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1057 ist->file_index, ist->st->index,
1058 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
1059 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
1060 ost->resample_sample_fmt = dec->sample_fmt;
1061 ost->resample_channels = dec->channels;
1062 ost->resample_sample_rate = dec->sample_rate;
1063 if (ost->resample)
1064 audio_resample_close(ost->resample);
1065 }
1066 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
1067 if (audio_sync_method <= 1 &&
1068 ost->resample_sample_fmt == enc->sample_fmt &&
1069 ost->resample_channels == enc->channels &&
1070 ost->resample_sample_rate == enc->sample_rate) {
1071 ost->resample = NULL;
1072 ost->audio_resample = 0;
1073 } else if (ost->audio_resample) {
1074 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
e3245b26 1075 av_log(NULL, AV_LOG_WARNING, "Using s16 intermediate sample format for resampling\n");
6291d7e4
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1076 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
1077 enc->sample_rate, dec->sample_rate,
1078 enc->sample_fmt, dec->sample_fmt,
1079 16, 10, 0, 0.8);
1080 if (!ost->resample) {
e3245b26
AK
1081 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
1082 dec->channels, dec->sample_rate,
1083 enc->channels, enc->sample_rate);
6291d7e4
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1084 exit_program(1);
1085 }
1086 }
1087 }
1088
1089#define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
7636c8c6
AD
1090 if (!ost->audio_resample && dec->sample_fmt != enc->sample_fmt &&
1091 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt) != ost->reformat_pair) {
6291d7e4
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1092 if (ost->reformat_ctx)
1093 av_audio_convert_free(ost->reformat_ctx);
1094 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
1095 dec->sample_fmt, 1, NULL, 0);
1096 if (!ost->reformat_ctx) {
e3245b26
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1097 av_log(NULL, AV_LOG_FATAL, "Cannot convert %s sample format to %s sample format\n",
1098 av_get_sample_fmt_name(dec->sample_fmt),
1099 av_get_sample_fmt_name(enc->sample_fmt));
6291d7e4
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1100 exit_program(1);
1101 }
7636c8c6 1102 ost->reformat_pair = MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
6291d7e4
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1103 }
1104
7636c8c6 1105 if (audio_sync_method) {
23576b3f 1106 double delta = get_sync_ipts(ost, ist->last_dts) * enc->sample_rate - ost->sync_opts -
7636c8c6 1107 av_fifo_size(ost->fifo) / (enc->channels * osize);
fdab793a
AC
1108 int idelta = delta * dec->sample_rate / enc->sample_rate;
1109 int byte_delta = idelta * isize * dec->channels;
6291d7e4 1110
7636c8c6
AD
1111 // FIXME resample delay
1112 if (fabs(delta) > 50) {
1113 if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) {
1114 if (byte_delta < 0) {
1115 byte_delta = FFMAX(byte_delta, -size);
6291d7e4
AK
1116 size += byte_delta;
1117 buf -= byte_delta;
fdab793a
AC
1118 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
1119 -byte_delta / (isize * dec->channels));
7636c8c6 1120 if (!size)
6291d7e4 1121 return;
7636c8c6
AD
1122 ist->is_start = 0;
1123 } else {
f3ab3e1a
JR
1124 av_fast_malloc(&async_buf, &allocated_async_buf_size,
1125 byte_delta + size);
1126 if (!async_buf) {
1127 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
1128 exit_program(1);
1129 }
6291d7e4 1130
9869e963
JR
1131 if (alloc_audio_output_buf(dec, enc, decoded_frame->nb_samples + idelta) < 0) {
1132 av_log(NULL, AV_LOG_FATAL, "Error allocating audio buffer\n");
1133 exit_program(1);
6291d7e4 1134 }
7636c8c6 1135 ist->is_start = 0;
6291d7e4 1136
f3ab3e1a
JR
1137 generate_silence(async_buf, dec->sample_fmt, byte_delta);
1138 memcpy(async_buf + byte_delta, buf, size);
1139 buf = async_buf;
6291d7e4 1140 size += byte_delta;
fdab793a 1141 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
6291d7e4 1142 }
7636c8c6
AD
1143 } else if (audio_sync_method > 1) {
1144 int comp = av_clip(delta, -audio_sync_method, audio_sync_method);
6291d7e4 1145 av_assert0(ost->audio_resample);
e3245b26
AK
1146 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
1147 delta, comp, enc->sample_rate);
6291d7e4
AK
1148// 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));
1149 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
1150 }
1151 }
7636c8c6 1152 } else
23576b3f 1153 ost->sync_opts = lrintf(get_sync_ipts(ost, ist->last_dts) * enc->sample_rate) -
7636c8c6 1154 av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong
6291d7e4
AK
1155
1156 if (ost->audio_resample) {
1157 buftmp = audio_buf;
1158 size_out = audio_resample(ost->resample,
1159 (short *)buftmp, (short *)buf,
1160 size / (dec->channels * isize));
1161 size_out = size_out * enc->channels * osize;
1162 } else {
1163 buftmp = buf;
1164 size_out = size;
1165 }
1166
7636c8c6
AD
1167 if (!ost->audio_resample && dec->sample_fmt != enc->sample_fmt) {
1168 const void *ibuf[6] = { buftmp };
1169 void *obuf[6] = { audio_buf };
1170 int istride[6] = { isize };
1171 int ostride[6] = { osize };
1172 int len = size_out / istride[0];
1173 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len) < 0) {
6291d7e4
AK
1174 printf("av_audio_convert() failed\n");
1175 if (exit_on_error)
1176 exit_program(1);
1177 return;
1178 }
1179 buftmp = audio_buf;
7636c8c6 1180 size_out = len * osize;
6291d7e4
AK
1181 }
1182
1183 /* now encode as many frames as possible */
ee458cb1 1184 if (!(enc->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
6291d7e4
AK
1185 /* output resampled raw samples */
1186 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
e3245b26 1187 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
6291d7e4
AK
1188 exit_program(1);
1189 }
1190 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
1191
1192 frame_bytes = enc->frame_size * osize * enc->channels;
1193
1194 while (av_fifo_size(ost->fifo) >= frame_bytes) {
6291d7e4 1195 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
ee458cb1 1196 encode_audio_frame(s, ost, audio_buf, frame_bytes);
6291d7e4
AK
1197 }
1198 } else {
ee458cb1 1199 encode_audio_frame(s, ost, buftmp, size_out);
6291d7e4
AK
1200 }
1201}
1202
1203static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1204{
1205 AVCodecContext *dec;
1206 AVPicture *picture2;
1207 AVPicture picture_tmp;
1208 uint8_t *buf = 0;
1209
1210 dec = ist->st->codec;
1211
1212 /* deinterlace : must be done before any resize */
1213 if (do_deinterlace) {
1214 int size;
1215
1216 /* create temporary picture */
1217 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
7636c8c6 1218 buf = av_malloc(size);
6291d7e4
AK
1219 if (!buf)
1220 return;
1221
1222 picture2 = &picture_tmp;
1223 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1224
7636c8c6 1225 if (avpicture_deinterlace(picture2, picture,
6291d7e4
AK
1226 dec->pix_fmt, dec->width, dec->height) < 0) {
1227 /* if error, do not deinterlace */
e3245b26 1228 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
6291d7e4
AK
1229 av_free(buf);
1230 buf = NULL;
1231 picture2 = picture;
1232 }
1233 } else {
1234 picture2 = picture;
1235 }
1236
1237 if (picture != picture2)
1238 *picture = *picture2;
1239 *bufp = buf;
1240}
1241
6291d7e4
AK
1242static void do_subtitle_out(AVFormatContext *s,
1243 OutputStream *ost,
1244 InputStream *ist,
1245 AVSubtitle *sub,
1246 int64_t pts)
1247{
1248 static uint8_t *subtitle_out = NULL;
1249 int subtitle_out_max_size = 1024 * 1024;
1250 int subtitle_out_size, nb, i;
1251 AVCodecContext *enc;
1252 AVPacket pkt;
1253
1254 if (pts == AV_NOPTS_VALUE) {
e3245b26 1255 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
6291d7e4
AK
1256 if (exit_on_error)
1257 exit_program(1);
1258 return;
1259 }
1260
1261 enc = ost->st->codec;
1262
1263 if (!subtitle_out) {
1264 subtitle_out = av_malloc(subtitle_out_max_size);
1265 }
1266
1267 /* Note: DVB subtitle need one packet to draw them and one other
1268 packet to clear them */
1269 /* XXX: signal it in the codec context ? */
1270 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1271 nb = 2;
1272 else
1273 nb = 1;
1274
7636c8c6 1275 for (i = 0; i < nb; i++) {
1270e12e
AK
1276 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
1277 if (!check_recording_time(ost))
1278 return;
1279
6291d7e4
AK
1280 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1281 // start_display_time is required to be 0
7636c8c6
AD
1282 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1283 sub->end_display_time -= sub->start_display_time;
6291d7e4
AK
1284 sub->start_display_time = 0;
1285 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1286 subtitle_out_max_size, sub);
1287 if (subtitle_out_size < 0) {
e3245b26 1288 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
6291d7e4
AK
1289 exit_program(1);
1290 }
1291
1292 av_init_packet(&pkt);
6291d7e4
AK
1293 pkt.data = subtitle_out;
1294 pkt.size = subtitle_out_size;
7636c8c6 1295 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
6291d7e4
AK
1296 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1297 /* XXX: the pts correction is handled here. Maybe handling
1298 it in the codec would be better */
1299 if (i == 0)
1300 pkt.pts += 90 * sub->start_display_time;
1301 else
1302 pkt.pts += 90 * sub->end_display_time;
1303 }
f15f02c2 1304 write_frame(s, &pkt, ost);
6291d7e4
AK
1305 }
1306}
1307
87ef060c
AC
1308static void do_video_out(AVFormatContext *s,
1309 OutputStream *ost,
87ef060c
AC
1310 AVFrame *in_picture,
1311 int *frame_size, float quality)
1312{
553735f5 1313 int nb_frames, i, ret, format_video_sync;
f593628e 1314 AVCodecContext *enc;
d43040e2 1315 double sync_ipts, delta;
87ef060c
AC
1316
1317 enc = ost->st->codec;
87ef060c 1318
6e983902 1319 sync_ipts = get_sync_ipts(ost, in_picture->pts) / av_q2d(enc->time_base);
d43040e2 1320 delta = sync_ipts - ost->sync_opts;
87ef060c
AC
1321
1322 /* by default, we output a single frame */
1323 nb_frames = 1;
1324
1325 *frame_size = 0;
1326
553735f5 1327 format_video_sync = video_sync_method;
e8c04f62
AK
1328 if (format_video_sync == VSYNC_AUTO)
1329 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
1330 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
553735f5 1331
d43040e2
AK
1332 switch (format_video_sync) {
1333 case VSYNC_CFR:
7636c8c6 1334 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
d43040e2 1335 if (delta < -1.1)
87ef060c 1336 nb_frames = 0;
d43040e2
AK
1337 else if (delta > 1.1)
1338 nb_frames = lrintf(delta);
1339 break;
1340 case VSYNC_VFR:
1341 if (delta <= -0.6)
1342 nb_frames = 0;
1343 else if (delta > 0.6)
1344 ost->sync_opts = lrintf(sync_ipts);
1345 break;
1346 case VSYNC_PASSTHROUGH:
7636c8c6 1347 ost->sync_opts = lrintf(sync_ipts);
d43040e2
AK
1348 break;
1349 default:
1350 av_assert0(0);
1351 }
87ef060c 1352
96139b5e 1353 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
d43040e2
AK
1354 if (nb_frames == 0) {
1355 nb_frames_drop++;
1356 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
87ef060c 1357 return;
d43040e2
AK
1358 } else if (nb_frames > 1) {
1359 nb_frames_dup += nb_frames - 1;
1360 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1361 }
87ef060c 1362
1270e12e
AK
1363 if (!ost->frame_number)
1364 ost->first_pts = ost->sync_opts;
1365
6291d7e4 1366 /* duplicates frame if needed */
7636c8c6 1367 for (i = 0; i < nb_frames; i++) {
6291d7e4
AK
1368 AVPacket pkt;
1369 av_init_packet(&pkt);
8e37038a
AK
1370 pkt.data = NULL;
1371 pkt.size = 0;
6291d7e4 1372
1270e12e
AK
1373 if (!check_recording_time(ost))
1374 return;
1375
150ddbc1
MR
1376 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1377 enc->codec->id == CODEC_ID_RAWVIDEO) {
6291d7e4 1378 /* raw pictures are written as AVPicture structure to
bb337b4f 1379 avoid any copies. We support temporarily the older
6291d7e4 1380 method. */
f593628e
AC
1381 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1382 enc->coded_frame->top_field_first = in_picture->top_field_first;
4648fe63 1383 pkt.data = (uint8_t *)in_picture;
7636c8c6
AD
1384 pkt.size = sizeof(AVPicture);
1385 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
6291d7e4
AK
1386 pkt.flags |= AV_PKT_FLAG_KEY;
1387
f15f02c2 1388 write_frame(s, &pkt, ost);
6291d7e4 1389 } else {
8e37038a 1390 int got_packet;
6291d7e4
AK
1391 AVFrame big_picture;
1392
4648fe63 1393 big_picture = *in_picture;
6291d7e4
AK
1394 /* better than nothing: use input picture interlaced
1395 settings */
1396 big_picture.interlaced_frame = in_picture->interlaced_frame;
1397 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
828e0bcb 1398 if (ost->top_field_first == -1)
6291d7e4
AK
1399 big_picture.top_field_first = in_picture->top_field_first;
1400 else
828e0bcb 1401 big_picture.top_field_first = !!ost->top_field_first;
6291d7e4
AK
1402 }
1403
f4ad238c 1404 /* handles same_quant here. This is not correct because it may
6291d7e4
AK
1405 not be a global option */
1406 big_picture.quality = quality;
d242d80e 1407 if (!enc->me_threshold)
6291d7e4 1408 big_picture.pict_type = 0;
7636c8c6 1409 big_picture.pts = ost->sync_opts;
6291d7e4
AK
1410 if (ost->forced_kf_index < ost->forced_kf_count &&
1411 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1412 big_picture.pict_type = AV_PICTURE_TYPE_I;
1413 ost->forced_kf_index++;
1414 }
8e37038a 1415 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
6291d7e4 1416 if (ret < 0) {
e3245b26 1417 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
6291d7e4
AK
1418 exit_program(1);
1419 }
1420
8e37038a
AK
1421 if (got_packet) {
1422 if (pkt.pts != AV_NOPTS_VALUE)
1423 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1424 if (pkt.dts != AV_NOPTS_VALUE)
1425 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
6291d7e4 1426
f15f02c2 1427 write_frame(s, &pkt, ost);
39da3b22
AK
1428 *frame_size = pkt.size;
1429 video_size += pkt.size;
324fbadf 1430
6291d7e4
AK
1431 /* if two pass, output log */
1432 if (ost->logfile && enc->stats_out) {
1433 fprintf(ost->logfile, "%s", enc->stats_out);
1434 }
1435 }
1436 }
1437 ost->sync_opts++;
99932847
AK
1438 /*
1439 * For video, number of frames in == number of packets out.
1440 * But there may be reordering, so we can't throw away frames on encoder
1441 * flush, we need to limit them here, before they go into encoder.
1442 */
1443 ost->frame_number++;
6291d7e4
AK
1444 }
1445}
1446
7636c8c6
AD
1447static double psnr(double d)
1448{
1449 return -10.0 * log(d) / log(10.0);
6291d7e4
AK
1450}
1451
1452static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1453 int frame_size)
1454{
1455 AVCodecContext *enc;
1456 int frame_number;
1457 double ti1, bitrate, avg_bitrate;
1458
1459 /* this is executed just the first time do_video_stats is called */
1460 if (!vstats_file) {
1461 vstats_file = fopen(vstats_filename, "w");
1462 if (!vstats_file) {
1463 perror("fopen");
1464 exit_program(1);
1465 }
1466 }
1467
1468 enc = ost->st->codec;
1469 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1470 frame_number = ost->frame_number;
7636c8c6 1471 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
6291d7e4 1472 if (enc->flags&CODEC_FLAG_PSNR)
7636c8c6 1473 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
6291d7e4
AK
1474
1475 fprintf(vstats_file,"f_size= %6d ", frame_size);
1476 /* compute pts value */
1477 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1478 if (ti1 < 0.01)
1479 ti1 = 0.01;
1480
7636c8c6 1481 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
6291d7e4
AK
1482 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1483 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
7636c8c6 1484 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
6291d7e4
AK
1485 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1486 }
1487}
1488
af70aa45 1489static void print_report(OutputFile *output_files,
4288e031 1490 OutputStream *ost_table, int nb_ostreams,
c5ad2c2c 1491 int is_last_report, int64_t timer_start)
6291d7e4
AK
1492{
1493 char buf[1024];
1494 OutputStream *ost;
1495 AVFormatContext *oc;
1496 int64_t total_size;
1497 AVCodecContext *enc;
1498 int frame_number, vid, i;
1499 double bitrate, ti1, pts;
1500 static int64_t last_time = -1;
1501 static int qp_histogram[52];
1502
3460dd8a
AK
1503 if (!print_stats && !is_last_report)
1504 return;
1505
6291d7e4
AK
1506 if (!is_last_report) {
1507 int64_t cur_time;
1508 /* display the report every 0.5 seconds */
1509 cur_time = av_gettime();
1510 if (last_time == -1) {
1511 last_time = cur_time;
1512 return;
1513 }
1514 if ((cur_time - last_time) < 500000)
1515 return;
1516 last_time = cur_time;
1517 }
1518
1519
af70aa45 1520 oc = output_files[0].ctx;
6291d7e4
AK
1521
1522 total_size = avio_size(oc->pb);
7636c8c6
AD
1523 if (total_size < 0) // FIXME improve avio_size() so it works with non seekable output too
1524 total_size = avio_tell(oc->pb);
6291d7e4
AK
1525
1526 buf[0] = '\0';
1527 ti1 = 1e10;
1528 vid = 0;
7636c8c6 1529 for (i = 0; i < nb_ostreams; i++) {
6291d7e4 1530 float q = -1;
4288e031 1531 ost = &ost_table[i];
6291d7e4 1532 enc = ost->st->codec;
3d813e4c 1533 if (!ost->stream_copy && enc->coded_frame)
7636c8c6 1534 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
6291d7e4
AK
1535 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1536 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1537 }
1538 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
7636c8c6 1539 float t = (av_gettime() - timer_start) / 1000000.0;
6291d7e4
AK
1540
1541 frame_number = ost->frame_number;
1542 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
7636c8c6
AD
1543 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
1544 if (is_last_report)
6291d7e4 1545 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
7636c8c6 1546 if (qp_hist) {
6291d7e4
AK
1547 int j;
1548 int qp = lrintf(q);
7636c8c6 1549 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
6291d7e4 1550 qp_histogram[qp]++;
7636c8c6
AD
1551 for (j = 0; j < 32; j++)
1552 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
6291d7e4 1553 }
7636c8c6 1554 if (enc->flags&CODEC_FLAG_PSNR) {
6291d7e4 1555 int j;
7636c8c6
AD
1556 double error, error_sum = 0;
1557 double scale, scale_sum = 0;
1558 char type[3] = { 'Y','U','V' };
6291d7e4 1559 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
7636c8c6
AD
1560 for (j = 0; j < 3; j++) {
1561 if (is_last_report) {
1562 error = enc->error[j];
1563 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1564 } else {
1565 error = enc->coded_frame->error[j];
1566 scale = enc->width * enc->height * 255.0 * 255.0;
6291d7e4 1567 }
7636c8c6
AD
1568 if (j)
1569 scale /= 4;
6291d7e4
AK
1570 error_sum += error;
1571 scale_sum += scale;
7636c8c6 1572 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
6291d7e4 1573 }
7636c8c6 1574 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
6291d7e4
AK
1575 }
1576 vid = 1;
1577 }
1578 /* compute min output value */
1579 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1580 if ((pts < ti1) && (pts > 0))
1581 ti1 = pts;
1582 }
1583 if (ti1 < 0.01)
1584 ti1 = 0.01;
1585
e3245b26 1586 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
6291d7e4 1587
e3245b26 1588 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
6291d7e4
AK
1589 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1590 (double)total_size / 1024, ti1, bitrate);
1591
e3245b26
AK
1592 if (nb_frames_dup || nb_frames_drop)
1593 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1594 nb_frames_dup, nb_frames_drop);
6291d7e4 1595
f5646a32 1596 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
6291d7e4 1597
e3245b26 1598 fflush(stderr);
6291d7e4 1599
e3245b26 1600 if (is_last_report) {
6291d7e4 1601 int64_t raw= audio_size + video_size + extra_size;
e3245b26
AK
1602 av_log(NULL, AV_LOG_INFO, "\n");
1603 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
7636c8c6
AD
1604 video_size / 1024.0,
1605 audio_size / 1024.0,
1606 extra_size / 1024.0,
1607 100.0 * (total_size - raw) / raw
6291d7e4
AK
1608 );
1609 }
1610}
1611
b62b5cb6 1612static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
4a4ce2e7
AK
1613{
1614 int i, ret;
1615
1616 for (i = 0; i < nb_ostreams; i++) {
6f1c66d5
AK
1617 OutputStream *ost = &ost_table[i];
1618 AVCodecContext *enc = ost->st->codec;
1619 AVFormatContext *os = output_files[ost->file_index].ctx;
ee458cb1 1620 int stop_encoding = 0;
6f1c66d5 1621
b62b5cb6 1622 if (!ost->encoding_needed)
6f1c66d5
AK
1623 continue;
1624
7636c8c6 1625 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
6f1c66d5 1626 continue;
150ddbc1 1627 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
6f1c66d5
AK
1628 continue;
1629
7636c8c6 1630 for (;;) {
6f1c66d5 1631 AVPacket pkt;
8e37038a 1632 int fifo_bytes, got_packet;
6f1c66d5 1633 av_init_packet(&pkt);
ee458cb1
JR
1634 pkt.data = NULL;
1635 pkt.size = 0;
6f1c66d5
AK
1636
1637 switch (ost->st->codec->codec_type) {
1638 case AVMEDIA_TYPE_AUDIO:
1639 fifo_bytes = av_fifo_size(ost->fifo);
6f1c66d5 1640 if (fifo_bytes > 0) {
ee458cb1
JR
1641 /* encode any samples remaining in fifo */
1642 int frame_bytes = fifo_bytes;
6f1c66d5
AK
1643
1644 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
ee458cb1
JR
1645
1646 /* pad last frame with silence if needed */
1647 if (!(enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME)) {
1648 frame_bytes = enc->frame_size * enc->channels *
1649 av_get_bytes_per_sample(enc->sample_fmt);
6f1c66d5 1650 if (allocated_audio_buf_size < frame_bytes)
4a4ce2e7 1651 exit_program(1);
6f1c66d5 1652 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
4a4ce2e7 1653 }
ee458cb1
JR
1654 encode_audio_frame(os, ost, audio_buf, frame_bytes);
1655 } else {
1656 /* flush encoder with NULL frames until it is done
1657 returning packets */
1658 if (encode_audio_frame(os, ost, NULL, 0) == 0) {
1659 stop_encoding = 1;
1660 break;
1661 }
6f1c66d5 1662 }
6f1c66d5
AK
1663 break;
1664 case AVMEDIA_TYPE_VIDEO:
8e37038a 1665 ret = avcodec_encode_video2(enc, &pkt, NULL, &got_packet);
6f1c66d5 1666 if (ret < 0) {
e3245b26 1667 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
6f1c66d5
AK
1668 exit_program(1);
1669 }
1670 video_size += ret;
6f1c66d5
AK
1671 if (ost->logfile && enc->stats_out) {
1672 fprintf(ost->logfile, "%s", enc->stats_out);
1673 }
8e37038a 1674 if (!got_packet) {
ee458cb1
JR
1675 stop_encoding = 1;
1676 break;
1677 }
8e37038a
AK
1678 if (pkt.pts != AV_NOPTS_VALUE)
1679 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1680 if (pkt.dts != AV_NOPTS_VALUE)
1681 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
ee458cb1 1682 write_frame(os, &pkt, ost);
6f1c66d5
AK
1683 break;
1684 default:
ee458cb1 1685 stop_encoding = 1;
4a4ce2e7 1686 }
ee458cb1 1687 if (stop_encoding)
6f1c66d5 1688 break;
4a4ce2e7
AK
1689 }
1690 }
1691}
1692
7204ec1a
AK
1693/*
1694 * Check whether a packet from ist should be written into ost at this time
1695 */
1696static int check_output_constraints(InputStream *ist, OutputStream *ost)
1697{
1698 OutputFile *of = &output_files[ost->file_index];
1699 int ist_index = ist - input_streams;
1700
1701 if (ost->source_index != ist_index)
1702 return 0;
1703
23576b3f 1704 if (of->start_time && ist->last_dts < of->start_time)
7204ec1a
AK
1705 return 0;
1706
7204ec1a
AK
1707 return 1;
1708}
1709
1710static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1711{
1712 OutputFile *of = &output_files[ost->file_index];
1713 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1714 AVPacket opkt;
1715
1716 av_init_packet(&opkt);
1717
1718 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1719 !ost->copy_initial_nonkeyframes)
1720 return;
1721
1270e12e 1722 if (of->recording_time != INT64_MAX &&
23576b3f 1723 ist->last_dts >= of->recording_time + of->start_time) {
1270e12e
AK
1724 ost->is_past_recording_time = 1;
1725 return;
1726 }
1727
7204ec1a
AK
1728 /* force the input stream PTS */
1729 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1730 audio_size += pkt->size;
1731 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1732 video_size += pkt->size;
1733 ost->sync_opts++;
1734 }
1735
7204ec1a
AK
1736 if (pkt->pts != AV_NOPTS_VALUE)
1737 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1738 else
1739 opkt.pts = AV_NOPTS_VALUE;
1740
1741 if (pkt->dts == AV_NOPTS_VALUE)
23576b3f 1742 opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base);
7204ec1a
AK
1743 else
1744 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1745 opkt.dts -= ost_tb_start_time;
1746
1747 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1748 opkt.flags = pkt->flags;
1749
7636c8c6
AD
1750 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1751 if ( ost->st->codec->codec_id != CODEC_ID_H264
7204ec1a
AK
1752 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1753 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
ae5a9355 1754 && ost->st->codec->codec_id != CODEC_ID_VC1
7204ec1a
AK
1755 ) {
1756 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1757 opkt.destruct = av_destruct_packet;
1758 } else {
1759 opkt.data = pkt->data;
1760 opkt.size = pkt->size;
1761 }
1762
f15f02c2 1763 write_frame(of->ctx, &opkt, ost);
7204ec1a 1764 ost->st->codec->frame_number++;
7204ec1a
AK
1765 av_free_packet(&opkt);
1766}
1767
2a651b71
AK
1768static void rate_emu_sleep(InputStream *ist)
1769{
1770 if (input_files[ist->file_index].rate_emu) {
23576b3f 1771 int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
2a651b71
AK
1772 int64_t now = av_gettime() - ist->start;
1773 if (pts > now)
1774 usleep(pts - now);
1775 }
1776}
1777
ded28ba3
AK
1778static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1779{
d1241ff3
JR
1780 AVFrame *decoded_frame;
1781 AVCodecContext *avctx = ist->st->codec;
ded28ba3 1782 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
ded28ba3
AK
1783 int i, ret;
1784
9179f27c 1785 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
d1241ff3 1786 return AVERROR(ENOMEM);
9179f27c
JR
1787 else
1788 avcodec_get_frame_defaults(ist->decoded_frame);
1789 decoded_frame = ist->decoded_frame;
ded28ba3 1790
d1241ff3
JR
1791 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1792 if (ret < 0) {
ded28ba3 1793 return ret;
d1241ff3 1794 }
ded28ba3 1795
ded28ba3
AK
1796 if (!*got_output) {
1797 /* no audio frame */
af8ad892 1798 return ret;
ded28ba3
AK
1799 }
1800
d1241ff3
JR
1801 /* if the decoder provides a pts, use it instead of the last packet pts.
1802 the decoder could be delaying output by a packet or more. */
1803 if (decoded_frame->pts != AV_NOPTS_VALUE)
3101bb66 1804 ist->next_dts = decoded_frame->pts;
d1241ff3 1805
3101bb66 1806 /* increment next_dts to use for the case where the input stream does not
d1241ff3 1807 have timestamps or there are multiple frames in the packet */
3101bb66 1808 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
d1241ff3 1809 avctx->sample_rate;
ded28ba3
AK
1810
1811 // preprocess audio (volume)
1812 if (audio_volume != 256) {
d1241ff3
JR
1813 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
1814 void *samples = decoded_frame->data[0];
1815 switch (avctx->sample_fmt) {
ded28ba3
AK
1816 case AV_SAMPLE_FMT_U8:
1817 {
1818 uint8_t *volp = samples;
1819 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1820 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1821 *volp++ = av_clip_uint8(v);
1822 }
1823 break;
1824 }
1825 case AV_SAMPLE_FMT_S16:
1826 {
1827 int16_t *volp = samples;
1828 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1829 int v = ((*volp) * audio_volume + 128) >> 8;
1830 *volp++ = av_clip_int16(v);
1831 }
1832 break;
1833 }
1834 case AV_SAMPLE_FMT_S32:
1835 {
1836 int32_t *volp = samples;
1837 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1838 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1839 *volp++ = av_clipl_int32(v);
1840 }
1841 break;
1842 }
1843 case AV_SAMPLE_FMT_FLT:
1844 {
1845 float *volp = samples;
1846 float scale = audio_volume / 256.f;
1847 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1848 *volp++ *= scale;
1849 }
1850 break;
1851 }
1852 case AV_SAMPLE_FMT_DBL:
1853 {
1854 double *volp = samples;
1855 double scale = audio_volume / 256.;
1856 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1857 *volp++ *= scale;
1858 }
1859 break;
1860 }
1861 default:
1862 av_log(NULL, AV_LOG_FATAL,
1863 "Audio volume adjustment on sample format %s is not supported.\n",
1864 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1865 exit_program(1);
1866 }
1867 }
1868
1869 rate_emu_sleep(ist);
1870
1871 for (i = 0; i < nb_output_streams; i++) {
1872 OutputStream *ost = &output_streams[i];
1873
1874 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1875 continue;
d1241ff3 1876 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
ded28ba3 1877 }
110d2af2 1878
af8ad892 1879 return ret;
ded28ba3
AK
1880}
1881
45d4b66f
AK
1882static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
1883{
1884 AVFrame *decoded_frame, *filtered_frame = NULL;
1885 void *buffer_to_free = NULL;
1886 int i, ret = 0;
1887 float quality;
45d4b66f 1888 int frame_available = 1;
45d4b66f 1889
9179f27c 1890 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
45d4b66f 1891 return AVERROR(ENOMEM);
9179f27c
JR
1892 else
1893 avcodec_get_frame_defaults(ist->decoded_frame);
1894 decoded_frame = ist->decoded_frame;
45d4b66f 1895 pkt->pts = *pkt_pts;
23576b3f 1896 pkt->dts = ist->last_dts;
45d4b66f
AK
1897 *pkt_pts = AV_NOPTS_VALUE;
1898
1899 ret = avcodec_decode_video2(ist->st->codec,
1900 decoded_frame, got_output, pkt);
1901 if (ret < 0)
9179f27c 1902 return ret;
45d4b66f
AK
1903
1904 quality = same_quant ? decoded_frame->quality : 0;
1905 if (!*got_output) {
1906 /* no picture yet */
af8ad892 1907 return ret;
45d4b66f 1908 }
b34856a1
AK
1909 decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1910 decoded_frame->pkt_dts);
45d4b66f
AK
1911 pkt->size = 0;
1912 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1913
1914 rate_emu_sleep(ist);
1915
1916 for (i = 0; i < nb_output_streams; i++) {
1917 OutputStream *ost = &output_streams[i];
ac646076 1918 int frame_size, resample_changed;
45d4b66f
AK
1919
1920 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1921 continue;
1922
ac646076
AK
1923 resample_changed = ost->resample_width != decoded_frame->width ||
1924 ost->resample_height != decoded_frame->height ||
1925 ost->resample_pix_fmt != decoded_frame->format;
1926 if (resample_changed) {
1927 av_log(NULL, AV_LOG_INFO,
1928 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1929 ist->file_index, ist->st->index,
1930 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1931 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1932
1933 avfilter_graph_free(&ost->graph);
1934 if (configure_video_filters(ist, ost)) {
1935 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1936 exit_program(1);
1937 }
1938
1939 ost->resample_width = decoded_frame->width;
1940 ost->resample_height = decoded_frame->height;
1941 ost->resample_pix_fmt = decoded_frame->format;
1942 }
1943
04a14d4d
AK
1944 if (ist->st->sample_aspect_ratio.num)
1945 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1946 if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) {
1947 FrameBuffer *buf = decoded_frame->opaque;
1948 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
1949 decoded_frame->data, decoded_frame->linesize,
1950 AV_PERM_READ | AV_PERM_PRESERVE,
1951 ist->st->codec->width, ist->st->codec->height,
1952 ist->st->codec->pix_fmt);
1953
1954 avfilter_copy_frame_props(fb, decoded_frame);
04a14d4d
AK
1955 fb->buf->priv = buf;
1956 fb->buf->free = filter_release_buffer;
1957
1958 buf->refcount++;
1959 av_buffersrc_buffer(ost->input_video_filter, fb);
1960 } else
1961 av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame,
6e983902 1962 decoded_frame->pts, decoded_frame->sample_aspect_ratio);
04a14d4d
AK
1963
1964 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
ce326c11
AK
1965 ret = AVERROR(ENOMEM);
1966 goto fail;
04a14d4d
AK
1967 } else
1968 avcodec_get_frame_defaults(ist->filtered_frame);
1969 filtered_frame = ist->filtered_frame;
1970
1971 frame_available = avfilter_poll_frame(ost->output_video_filter->inputs[0]);
45d4b66f
AK
1972 while (frame_available) {
1973 AVRational ist_pts_tb;
ce326c11
AK
1974 if ((ret = get_filtered_video_frame(ost->output_video_filter,
1975 filtered_frame, &ost->picref,
1976 &ist_pts_tb)) < 0)
1977 goto fail;
25142298
AK
1978 filtered_frame->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1979 if (!ost->frame_aspect_ratio)
45d4b66f 1980 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
45d4b66f 1981
d4936548 1982 do_video_out(output_files[ost->file_index].ctx, ost, filtered_frame, &frame_size,
45d4b66f
AK
1983 same_quant ? quality : ost->st->codec->global_quality);
1984 if (vstats_filename && frame_size)
1985 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
45d4b66f 1986 frame_available = ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
25142298 1987 avfilter_unref_buffer(ost->picref);
45d4b66f 1988 }
45d4b66f
AK
1989 }
1990
ce326c11 1991fail:
45d4b66f 1992 av_free(buffer_to_free);
45d4b66f
AK
1993 return ret;
1994}
1995
9595234c
AK
1996static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1997{
1998 AVSubtitle subtitle;
1999 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2000 &subtitle, got_output, pkt);
2001 if (ret < 0)
2002 return ret;
2003 if (!*got_output)
af8ad892 2004 return ret;
9595234c
AK
2005
2006 rate_emu_sleep(ist);
2007
2008 for (i = 0; i < nb_output_streams; i++) {
2009 OutputStream *ost = &output_streams[i];
2010
2011 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2012 continue;
2013
2014 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
2015 }
2016
2017 avsubtitle_free(&subtitle);
af8ad892 2018 return ret;
9595234c
AK
2019}
2020
6291d7e4 2021/* pkt = NULL means EOF (needed to flush decoder buffers) */
06d4e2fa 2022static int output_packet(InputStream *ist,
4288e031 2023 OutputStream *ost_table, int nb_ostreams,
6291d7e4
AK
2024 const AVPacket *pkt)
2025{
ffa0674e 2026 int i;
6291d7e4 2027 int got_output;
6291d7e4 2028 int64_t pkt_pts = AV_NOPTS_VALUE;
6291d7e4 2029 AVPacket avpkt;
6291d7e4 2030
3101bb66 2031 if (ist->next_dts == AV_NOPTS_VALUE)
23576b3f 2032 ist->next_dts = ist->last_dts;
6291d7e4
AK
2033
2034 if (pkt == NULL) {
2035 /* EOF handling */
2036 av_init_packet(&avpkt);
2037 avpkt.data = NULL;
2038 avpkt.size = 0;
2039 goto handle_eof;
2040 } else {
2041 avpkt = *pkt;
2042 }
2043
7636c8c6 2044 if (pkt->dts != AV_NOPTS_VALUE)
23576b3f 2045 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
7636c8c6 2046 if (pkt->pts != AV_NOPTS_VALUE)
6291d7e4
AK
2047 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2048
7636c8c6 2049 // while we have more to decode or while the decoder did output something on EOF
2a651b71 2050 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
ffa0674e 2051 int ret = 0;
6291d7e4 2052 handle_eof:
6291d7e4 2053
23576b3f 2054 ist->last_dts = ist->next_dts;
8b0268a8
AK
2055
2056 if (avpkt.size && avpkt.size != pkt->size) {
e3245b26
AK
2057 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2058 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
8b0268a8
AK
2059 ist->showed_multi_packet_warning = 1;
2060 }
6291d7e4 2061
7636c8c6 2062 switch (ist->st->codec->codec_type) {
82963f8f
AK
2063 case AVMEDIA_TYPE_AUDIO:
2064 ret = transcode_audio (ist, &avpkt, &got_output);
2065 break;
2066 case AVMEDIA_TYPE_VIDEO:
2067 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
b34856a1
AK
2068 if (avpkt.duration)
2069 ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
722410ad
AK
2070 else if (ist->st->r_frame_rate.num)
2071 ist->next_dts += av_rescale_q(1, (AVRational){ist->st->r_frame_rate.den,
2072 ist->st->r_frame_rate.num},
2073 AV_TIME_BASE_Q);
b34856a1
AK
2074 else if (ist->st->codec->time_base.num != 0) {
2075 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
2076 ist->st->codec->ticks_per_frame;
2077 ist->next_dts += av_rescale_q(ticks, ist->st->codec->time_base, AV_TIME_BASE_Q);
2078 }
82963f8f
AK
2079 break;
2080 case AVMEDIA_TYPE_SUBTITLE:
2081 ret = transcode_subtitles(ist, &avpkt, &got_output);
2082 break;
78162b4e
AK
2083 default:
2084 return -1;
2085 }
6291d7e4 2086
d3c1d37a
AK
2087 if (ret < 0)
2088 return ret;
aa38cff2
JG
2089 // touch data and size only if not EOF
2090 if (pkt) {
2091 avpkt.data += ret;
2092 avpkt.size -= ret;
2093 }
82963f8f 2094 if (!got_output) {
af8ad892 2095 continue;
82963f8f 2096 }
6291d7e4 2097 }
6291d7e4 2098
7204ec1a 2099 /* handle stream copy */
2a651b71
AK
2100 if (!ist->decoding_needed) {
2101 rate_emu_sleep(ist);
23576b3f 2102 ist->last_dts = ist->next_dts;
2a651b71
AK
2103 switch (ist->st->codec->codec_type) {
2104 case AVMEDIA_TYPE_AUDIO:
3101bb66 2105 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2a651b71
AK
2106 ist->st->codec->sample_rate;
2107 break;
2108 case AVMEDIA_TYPE_VIDEO:
2109 if (ist->st->codec->time_base.num != 0) {
7636c8c6 2110 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
3101bb66 2111 ist->next_dts += ((int64_t)AV_TIME_BASE *
2a651b71
AK
2112 ist->st->codec->time_base.num * ticks) /
2113 ist->st->codec->time_base.den;
2114 }
2115 break;
2116 }
2117 }
7204ec1a 2118 for (i = 0; pkt && i < nb_ostreams; i++) {
ffa0674e 2119 OutputStream *ost = &ost_table[i];
7204ec1a
AK
2120
2121 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2122 continue;
2123
2124 do_streamcopy(ist, ost, pkt);
2125 }
2126
6291d7e4
AK
2127 return 0;
2128}
2129
af70aa45 2130static void print_sdp(OutputFile *output_files, int n)
6291d7e4
AK
2131{
2132 char sdp[2048];
af70aa45 2133 int i;
7636c8c6 2134 AVFormatContext **avc = av_malloc(sizeof(*avc) * n);
af70aa45
AK
2135
2136 if (!avc)
2137 exit_program(1);
2138 for (i = 0; i < n; i++)
2139 avc[i] = output_files[i].ctx;
6291d7e4
AK
2140
2141 av_sdp_create(avc, n, sdp, sizeof(sdp));
2142 printf("SDP:\n%s\n", sdp);
2143 fflush(stdout);
af70aa45 2144 av_freep(&avc);
6291d7e4
AK
2145}
2146
630902a1
AK
2147static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2148 char *error, int error_len)
2149{
2150 int i;
2151 InputStream *ist = &input_streams[ist_index];
2152 if (ist->decoding_needed) {
2153 AVCodec *codec = ist->dec;
630902a1 2154 if (!codec) {
9a414d89 2155 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
630902a1
AK
2156 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2157 return AVERROR(EINVAL);
2158 }
2159
2160 /* update requested sample format for the decoder based on the
2161 corresponding encoder sample format */
2162 for (i = 0; i < nb_output_streams; i++) {
2163 OutputStream *ost = &output_streams[i];
2164 if (ost->source_index == ist_index) {
2165 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2166 break;
2167 }
2168 }
2169
64dca32c
AK
2170 if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
2171 ist->st->codec->get_buffer = codec_get_buffer;
2172 ist->st->codec->release_buffer = codec_release_buffer;
2173 ist->st->codec->opaque = ist;
2174 }
2175
2473a45c
JG
2176 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2177 av_dict_set(&ist->opts, "threads", "auto", 0);
630902a1 2178 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
9a414d89 2179 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
630902a1
AK
2180 ist->file_index, ist->st->index);
2181 return AVERROR(EINVAL);
2182 }
2183 assert_codec_experimental(ist->st->codec, 0);
2184 assert_avoptions(ist->opts);
2185 }
2186
23576b3f 2187 ist->last_dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
3101bb66 2188 ist->next_dts = AV_NOPTS_VALUE;
630902a1
AK
2189 init_pts_correction(&ist->pts_ctx);
2190 ist->is_start = 1;
2191
2192 return 0;
2193}
2194
eaf2d37a
AC
2195static int transcode_init(OutputFile *output_files,
2196 int nb_output_files,
2197 InputFile *input_files,
2198 int nb_input_files)
6291d7e4 2199{
2c474ddb 2200 int ret = 0, i, j, k;
1bb77e51 2201 AVFormatContext *oc;
6291d7e4 2202 AVCodecContext *codec, *icodec;
4288e031 2203 OutputStream *ost;
6291d7e4
AK
2204 InputStream *ist;
2205 char error[1024];
2206 int want_sdp = 1;
b0c9e8e0 2207
f4805328
AK
2208 /* init framerate emulation */
2209 for (i = 0; i < nb_input_files; i++) {
2210 InputFile *ifile = &input_files[i];
2211 if (ifile->rate_emu)
2212 for (j = 0; j < ifile->nb_streams; j++)
2213 input_streams[j + ifile->ist_index].start = av_gettime();
2214 }
6291d7e4
AK
2215
2216 /* output stream init */
03f30c83 2217 for (i = 0; i < nb_output_files; i++) {
1bb77e51
AK
2218 oc = output_files[i].ctx;
2219 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2220 av_dump_format(oc, i, oc->filename, 1);
e3245b26 2221 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
eaf2d37a 2222 return AVERROR(EINVAL);
6291d7e4 2223 }
6291d7e4
AK
2224 }
2225
2226 /* for each output stream, we compute the right encoding parameters */
4288e031
AK
2227 for (i = 0; i < nb_output_streams; i++) {
2228 ost = &output_streams[i];
03f30c83 2229 oc = output_files[ost->file_index].ctx;
6291d7e4
AK
2230 ist = &input_streams[ost->source_index];
2231
4dbc6cee
AK
2232 if (ost->attachment_filename)
2233 continue;
2234
03f30c83 2235 codec = ost->st->codec;
6291d7e4
AK
2236 icodec = ist->st->codec;
2237
03f30c83
AK
2238 ost->st->disposition = ist->st->disposition;
2239 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
6291d7e4
AK
2240 codec->chroma_sample_location = icodec->chroma_sample_location;
2241
3d813e4c 2242 if (ost->stream_copy) {
6291d7e4
AK
2243 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2244
e6d2b737 2245 if (extra_size > INT_MAX) {
eaf2d37a 2246 return AVERROR(EINVAL);
e6d2b737 2247 }
6291d7e4
AK
2248
2249 /* if stream_copy is selected, no need to decode or encode */
03f30c83 2250 codec->codec_id = icodec->codec_id;
6291d7e4
AK
2251 codec->codec_type = icodec->codec_type;
2252
03f30c83
AK
2253 if (!codec->codec_tag) {
2254 if (!oc->oformat->codec_tag ||
2255 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2256 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
6291d7e4
AK
2257 codec->codec_tag = icodec->codec_tag;
2258 }
2259
03f30c83 2260 codec->bit_rate = icodec->bit_rate;
6291d7e4
AK
2261 codec->rc_max_rate = icodec->rc_max_rate;
2262 codec->rc_buffer_size = icodec->rc_buffer_size;
4bf3c8f2 2263 codec->field_order = icodec->field_order;
03f30c83 2264 codec->extradata = av_mallocz(extra_size);
e6d2b737 2265 if (!codec->extradata) {
eaf2d37a 2266 return AVERROR(ENOMEM);
e6d2b737 2267 }
6291d7e4 2268 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
03f30c83 2269 codec->extradata_size = icodec->extradata_size;
7bb3e625 2270 if (!copy_tb) {
03f30c83 2271 codec->time_base = icodec->time_base;
6291d7e4
AK
2272 codec->time_base.num *= icodec->ticks_per_frame;
2273 av_reduce(&codec->time_base.num, &codec->time_base.den,
2274 codec->time_base.num, codec->time_base.den, INT_MAX);
03f30c83 2275 } else
6291d7e4 2276 codec->time_base = ist->st->time_base;
03f30c83 2277
7636c8c6 2278 switch (codec->codec_type) {
6291d7e4 2279 case AVMEDIA_TYPE_AUDIO:
7636c8c6 2280 if (audio_volume != 256) {
e3245b26 2281 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
6291d7e4
AK
2282 exit_program(1);
2283 }
03f30c83
AK
2284 codec->channel_layout = icodec->channel_layout;
2285 codec->sample_rate = icodec->sample_rate;
2286 codec->channels = icodec->channels;
2287 codec->frame_size = icodec->frame_size;
6291d7e4 2288 codec->audio_service_type = icodec->audio_service_type;
03f30c83 2289 codec->block_align = icodec->block_align;
6291d7e4
AK
2290 break;
2291 case AVMEDIA_TYPE_VIDEO:
03f30c83
AK
2292 codec->pix_fmt = icodec->pix_fmt;
2293 codec->width = icodec->width;
2294 codec->height = icodec->height;
2295 codec->has_b_frames = icodec->has_b_frames;
6291d7e4 2296 if (!codec->sample_aspect_ratio.num) {
03f30c83 2297 codec->sample_aspect_ratio =
6291d7e4
AK
2298 ost->st->sample_aspect_ratio =
2299 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2300 ist->st->codec->sample_aspect_ratio.num ?
2301 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2302 }
2303 break;
2304 case AVMEDIA_TYPE_SUBTITLE:
03f30c83 2305 codec->width = icodec->width;
6291d7e4
AK
2306 codec->height = icodec->height;
2307 break;
2308 case AVMEDIA_TYPE_DATA:
3ccd1580 2309 case AVMEDIA_TYPE_ATTACHMENT:
6291d7e4
AK
2310 break;
2311 default:
2312 abort();
2313 }
2314 } else {
2315 if (!ost->enc)
2316 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
03f30c83 2317
11fdb7e1
AK
2318 ist->decoding_needed = 1;
2319 ost->encoding_needed = 1;
03f30c83 2320
7636c8c6 2321 switch (codec->codec_type) {
6291d7e4 2322 case AVMEDIA_TYPE_AUDIO:
03f30c83 2323 ost->fifo = av_fifo_alloc(1024);
e6d2b737 2324 if (!ost->fifo) {
eaf2d37a 2325 return AVERROR(ENOMEM);
e6d2b737 2326 }
6291d7e4 2327 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
03f30c83 2328
d0a19696 2329 if (!codec->sample_rate)
6291d7e4 2330 codec->sample_rate = icodec->sample_rate;
6291d7e4 2331 choose_sample_rate(ost->st, ost->enc);
7636c8c6 2332 codec->time_base = (AVRational){ 1, codec->sample_rate };
03f30c83 2333
6291d7e4
AK
2334 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2335 codec->sample_fmt = icodec->sample_fmt;
2336 choose_sample_fmt(ost->st, ost->enc);
03f30c83 2337
6291d7e4
AK
2338 if (!codec->channels)
2339 codec->channels = icodec->channels;
2340 codec->channel_layout = icodec->channel_layout;
2341 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2342 codec->channel_layout = 0;
03f30c83
AK
2343
2344 ost->audio_resample = codec-> sample_rate != icodec->sample_rate || audio_sync_method > 1;
2345 icodec->request_channels = codec-> channels;
6291d7e4
AK
2346 ost->resample_sample_fmt = icodec->sample_fmt;
2347 ost->resample_sample_rate = icodec->sample_rate;
2348 ost->resample_channels = icodec->channels;
2349 break;
2350 case AVMEDIA_TYPE_VIDEO:
2351 if (codec->pix_fmt == PIX_FMT_NONE)
2352 codec->pix_fmt = icodec->pix_fmt;
2353 choose_pixel_fmt(ost->st, ost->enc);
2354
2355 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
e3245b26 2356 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
6291d7e4
AK
2357 exit_program(1);
2358 }
2359
2360 if (!codec->width || !codec->height) {
2361 codec->width = icodec->width;
2362 codec->height = icodec->height;
2363 }
2364
2365 ost->video_resample = codec->width != icodec->width ||
2366 codec->height != icodec->height ||
2367 codec->pix_fmt != icodec->pix_fmt;
2368 if (ost->video_resample) {
7636c8c6 2369 codec->bits_per_raw_sample = 0;
6291d7e4
AK
2370 }
2371
03f30c83
AK
2372 ost->resample_height = icodec->height;
2373 ost->resample_width = icodec->width;
2374 ost->resample_pix_fmt = icodec->pix_fmt;
6291d7e4 2375
832ba44d
AK
2376 /*
2377 * We want CFR output if and only if one of those is true:
2378 * 1) user specified output framerate with -r
2379 * 2) user specified -vsync cfr
2380 * 3) output format is CFR and the user didn't force vsync to
2381 * something else than CFR
2382 *
2383 * in such a case, set ost->frame_rate
2384 */
2385 if (!ost->frame_rate.num &&
2386 (video_sync_method == VSYNC_CFR ||
2387 (video_sync_method == VSYNC_AUTO &&
2388 !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
2389 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1};
2390 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2391 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2392 ost->frame_rate = ost->enc->supported_framerates[idx];
2393 }
6291d7e4 2394 }
832ba44d
AK
2395 if (ost->frame_rate.num) {
2396 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2397 video_sync_method = VSYNC_CFR;
2398 } else
2399 codec->time_base = ist->st->time_base;
6291d7e4 2400
6291d7e4 2401 if (configure_video_filters(ist, ost)) {
e3245b26 2402 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
6291d7e4
AK
2403 exit(1);
2404 }
6291d7e4
AK
2405 break;
2406 case AVMEDIA_TYPE_SUBTITLE:
c9af8326 2407 codec->time_base = (AVRational){1, 1000};
6291d7e4
AK
2408 break;
2409 default:
2410 abort();
2411 break;
2412 }
2413 /* two pass mode */
515901fa 2414 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
6291d7e4
AK
2415 char logfilename[1024];
2416 FILE *f;
2417
2418 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2419 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2420 i);
6e8be949
AK
2421 if (!strcmp(ost->enc->name, "libx264")) {
2422 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2423 } else {
64334ddb
AK
2424 if (codec->flags & CODEC_FLAG_PASS1) {
2425 f = fopen(logfilename, "wb");
2426 if (!f) {
2427 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2428 logfilename, strerror(errno));
2429 exit_program(1);
2430 }
2431 ost->logfile = f;
2432 } else {
2433 char *logbuffer;
2434 size_t logbuffer_size;
2435 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2436 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2437 logfilename);
2438 exit_program(1);
2439 }
2440 codec->stats_in = logbuffer;
6291d7e4 2441 }
6e8be949 2442 }
6291d7e4
AK
2443 }
2444 }
6291d7e4
AK
2445 }
2446
2447 /* open each encoder */
4288e031
AK
2448 for (i = 0; i < nb_output_streams; i++) {
2449 ost = &output_streams[i];
6291d7e4 2450 if (ost->encoding_needed) {
03f30c83 2451 AVCodec *codec = ost->enc;
6291d7e4
AK
2452 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2453 if (!codec) {
9a414d89 2454 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d:%d",
6291d7e4
AK
2455 ost->st->codec->codec_id, ost->file_index, ost->index);
2456 ret = AVERROR(EINVAL);
2457 goto dump_format;
2458 }
2459 if (dec->subtitle_header) {
2460 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2461 if (!ost->st->codec->subtitle_header) {
2462 ret = AVERROR(ENOMEM);
2463 goto dump_format;
2464 }
2465 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2466 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2467 }
2473a45c
JG
2468 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2469 av_dict_set(&ost->opts, "threads", "auto", 0);
6291d7e4 2470 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
9a414d89 2471 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
2472 ost->file_index, ost->index);
2473 ret = AVERROR(EINVAL);
2474 goto dump_format;
2475 }
2476 assert_codec_experimental(ost->st->codec, 1);
2477 assert_avoptions(ost->opts);
2478 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2479 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2480 "It takes bits/s as argument, not kbits/s\n");
2481 extra_size += ost->st->codec->extradata_size;
d242d80e
AK
2482
2483 if (ost->st->codec->me_threshold)
2484 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
6291d7e4
AK
2485 }
2486 }
2487
630902a1
AK
2488 /* init input streams */
2489 for (i = 0; i < nb_input_streams; i++)
62486948 2490 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
630902a1 2491 goto dump_format;
6291d7e4 2492
2c474ddb
AK
2493 /* discard unused programs */
2494 for (i = 0; i < nb_input_files; i++) {
2495 InputFile *ifile = &input_files[i];
2496 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2497 AVProgram *p = ifile->ctx->programs[j];
2498 int discard = AVDISCARD_ALL;
2499
2500 for (k = 0; k < p->nb_stream_indexes; k++)
2501 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2502 discard = AVDISCARD_DEFAULT;
2503 break;
2504 }
2505 p->discard = discard;
2506 }
2507 }
2508
6291d7e4 2509 /* open files and write file headers */
af70aa45 2510 for (i = 0; i < nb_output_files; i++) {
1bb77e51
AK
2511 oc = output_files[i].ctx;
2512 oc->interrupt_callback = int_cb;
2513 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
6291d7e4
AK
2514 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2515 ret = AVERROR(EINVAL);
2516 goto dump_format;
2517 }
af70aa45 2518 assert_avoptions(output_files[i].opts);
1bb77e51 2519 if (strcmp(oc->oformat->name, "rtp")) {
6291d7e4
AK
2520 want_sdp = 0;
2521 }
2522 }
2523
2524 dump_format:
2525 /* dump the file output parameters - cannot be done before in case
2526 of stream copy */
03f30c83 2527 for (i = 0; i < nb_output_files; i++) {
af70aa45 2528 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
6291d7e4
AK
2529 }
2530
2531 /* dump the stream mapping */
e3245b26
AK
2532 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2533 for (i = 0; i < nb_output_streams; i++) {
2534 ost = &output_streams[i];
4dbc6cee
AK
2535
2536 if (ost->attachment_filename) {
2537 /* an attached file */
2538 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2539 ost->attachment_filename, ost->file_index, ost->index);
2540 continue;
2541 }
9a414d89 2542 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
e3245b26
AK
2543 input_streams[ost->source_index].file_index,
2544 input_streams[ost->source_index].st->index,
2545 ost->file_index,
2546 ost->index);
2547 if (ost->sync_ist != &input_streams[ost->source_index])
9a414d89 2548 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
e3245b26
AK
2549 ost->sync_ist->file_index,
2550 ost->sync_ist->st->index);
3d813e4c 2551 if (ost->stream_copy)
e3245b26
AK
2552 av_log(NULL, AV_LOG_INFO, " (copy)");
2553 else
2554 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2555 input_streams[ost->source_index].dec->name : "?",
2556 ost->enc ? ost->enc->name : "?");
2557 av_log(NULL, AV_LOG_INFO, "\n");
6291d7e4
AK
2558 }
2559
2560 if (ret) {
e3245b26 2561 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
eaf2d37a 2562 return ret;
6291d7e4
AK
2563 }
2564
2565 if (want_sdp) {
2566 print_sdp(output_files, nb_output_files);
2567 }
2568
eaf2d37a
AC
2569 return 0;
2570}
2571
2572/*
2573 * The following code is the main loop of the file converter
2574 */
2575static int transcode(OutputFile *output_files,
2576 int nb_output_files,
2577 InputFile *input_files,
2578 int nb_input_files)
2579{
2580 int ret, i;
2581 AVFormatContext *is, *os;
2582 OutputStream *ost;
2583 InputStream *ist;
2584 uint8_t *no_packet;
7636c8c6 2585 int no_packet_count = 0;
eaf2d37a
AC
2586 int64_t timer_start;
2587
2588 if (!(no_packet = av_mallocz(nb_input_files)))
2589 exit_program(1);
2590
2591 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2592 if (ret < 0)
2593 goto fail;
2594
e3245b26 2595 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
6291d7e4
AK
2596 term_init();
2597
2598 timer_start = av_gettime();
2599
7636c8c6 2600 for (; received_sigterm == 0;) {
6291d7e4
AK
2601 int file_index, ist_index;
2602 AVPacket pkt;
9be3c124 2603 int64_t ipts_min;
6291d7e4
AK
2604 double opts_min;
2605
9be3c124 2606 ipts_min = INT64_MAX;
7636c8c6 2607 opts_min = 1e100;
6291d7e4
AK
2608
2609 /* select the stream that we must read now by looking at the
2610 smallest output pts */
2611 file_index = -1;
4288e031 2612 for (i = 0; i < nb_output_streams; i++) {
f21f294e 2613 OutputFile *of;
9be3c124
AC
2614 int64_t ipts;
2615 double opts;
4288e031 2616 ost = &output_streams[i];
f21f294e 2617 of = &output_files[ost->file_index];
af70aa45 2618 os = output_files[ost->file_index].ctx;
6291d7e4 2619 ist = &input_streams[ost->source_index];
f21f294e
AK
2620 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2621 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
6291d7e4 2622 continue;
c0931508 2623 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
23576b3f 2624 ipts = ist->last_dts;
7636c8c6
AD
2625 if (!input_files[ist->file_index].eof_reached) {
2626 if (ipts < ipts_min) {
6291d7e4 2627 ipts_min = ipts;
7636c8c6
AD
2628 if (input_sync)
2629 file_index = ist->file_index;
6291d7e4 2630 }
7636c8c6 2631 if (opts < opts_min) {
6291d7e4 2632 opts_min = opts;
7636c8c6 2633 if (!input_sync) file_index = ist->file_index;
6291d7e4
AK
2634 }
2635 }
96139b5e
AK
2636 if (ost->frame_number >= ost->max_frames) {
2637 int j;
9b921a82
AK
2638 for (j = 0; j < of->ctx->nb_streams; j++)
2639 output_streams[of->ost_index + j].is_past_recording_time = 1;
96139b5e 2640 continue;
6291d7e4
AK
2641 }
2642 }
2643 /* if none, if is finished */
2644 if (file_index < 0) {
7636c8c6
AD
2645 if (no_packet_count) {
2646 no_packet_count = 0;
b0c9e8e0 2647 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
2648 usleep(10000);
2649 continue;
2650 }
2651 break;
2652 }
2653
6291d7e4 2654 /* read a frame from it and output it in the fifo */
7636c8c6
AD
2655 is = input_files[file_index].ctx;
2656 ret = av_read_frame(is, &pkt);
2657 if (ret == AVERROR(EAGAIN)) {
2658 no_packet[file_index] = 1;
6291d7e4
AK
2659 no_packet_count++;
2660 continue;
2661 }
2662 if (ret < 0) {
2663 input_files[file_index].eof_reached = 1;
2664 if (opt_shortest)
2665 break;
2666 else
2667 continue;
2668 }
2669
7636c8c6 2670 no_packet_count = 0;
b0c9e8e0 2671 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
2672
2673 if (do_pkt_dump) {
2674 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2675 is->streams[pkt.stream_index]);
2676 }
2677 /* the following test is needed in case new streams appear
2678 dynamically in stream : we ignore them */
ed5b1326 2679 if (pkt.stream_index >= input_files[file_index].nb_streams)
6291d7e4
AK
2680 goto discard_packet;
2681 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2682 ist = &input_streams[ist_index];
2683 if (ist->discard)
2684 goto discard_packet;
2685
2686 if (pkt.dts != AV_NOPTS_VALUE)
2687 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2688 if (pkt.pts != AV_NOPTS_VALUE)
2689 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2690
7636c8c6 2691 if (pkt.pts != AV_NOPTS_VALUE)
33f75d72 2692 pkt.pts *= ist->ts_scale;
7636c8c6 2693 if (pkt.dts != AV_NOPTS_VALUE)
33f75d72 2694 pkt.dts *= ist->ts_scale;
6291d7e4 2695
7636c8c6 2696 //fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n",
3101bb66 2697 // ist->next_dts,
7636c8c6
AD
2698 // pkt.dts, input_files[ist->file_index].ts_offset,
2699 // ist->st->codec->codec_type);
3101bb66 2700 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE
6291d7e4 2701 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
7636c8c6 2702 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3101bb66 2703 int64_t delta = pkt_dts - ist->next_dts;
23576b3f 2704 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
6291d7e4 2705 input_files[ist->file_index].ts_offset -= delta;
7636c8c6
AD
2706 av_log(NULL, AV_LOG_DEBUG,
2707 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
e3245b26 2708 delta, input_files[ist->file_index].ts_offset);
6291d7e4 2709 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
7636c8c6 2710 if (pkt.pts != AV_NOPTS_VALUE)
6291d7e4
AK
2711 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2712 }
2713 }
2714
7636c8c6 2715 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
06d4e2fa 2716 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
6291d7e4 2717
9a414d89 2718 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
e3245b26 2719 ist->file_index, ist->st->index);
6291d7e4
AK
2720 if (exit_on_error)
2721 exit_program(1);
2722 av_free_packet(&pkt);
b9630bcf 2723 continue;
6291d7e4
AK
2724 }
2725
2726 discard_packet:
2727 av_free_packet(&pkt);
2728
2729 /* dump report by using the output first video and audio streams */
c5ad2c2c 2730 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
6291d7e4
AK
2731 }
2732
2733 /* at the end of stream, we must flush the decoder buffers */
2734 for (i = 0; i < nb_input_streams; i++) {
2735 ist = &input_streams[i];
2736 if (ist->decoding_needed) {
06d4e2fa 2737 output_packet(ist, output_streams, nb_output_streams, NULL);
6291d7e4
AK
2738 }
2739 }
b62b5cb6 2740 flush_encoders(output_streams, nb_output_streams);
6291d7e4
AK
2741
2742 term_exit();
2743
2744 /* write the trailer if needed and close file */
7636c8c6 2745 for (i = 0; i < nb_output_files; i++) {
af70aa45 2746 os = output_files[i].ctx;
6291d7e4
AK
2747 av_write_trailer(os);
2748 }
2749
2750 /* dump report by using the first video and audio streams */
c5ad2c2c 2751 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
6291d7e4
AK
2752
2753 /* close each encoder */
4288e031
AK
2754 for (i = 0; i < nb_output_streams; i++) {
2755 ost = &output_streams[i];
6291d7e4
AK
2756 if (ost->encoding_needed) {
2757 av_freep(&ost->st->codec->stats_in);
2758 avcodec_close(ost->st->codec);
2759 }
6291d7e4 2760 avfilter_graph_free(&ost->graph);
6291d7e4
AK
2761 }
2762
2763 /* close each decoder */
2764 for (i = 0; i < nb_input_streams; i++) {
2765 ist = &input_streams[i];
2766 if (ist->decoding_needed) {
2767 avcodec_close(ist->st->codec);
2768 }
2769 }
2770
2771 /* finished ! */
2772 ret = 0;
2773
2774 fail:
b0c9e8e0 2775 av_freep(&no_packet);
6291d7e4 2776
4288e031
AK
2777 if (output_streams) {
2778 for (i = 0; i < nb_output_streams; i++) {
2779 ost = &output_streams[i];
6291d7e4 2780 if (ost) {
3d813e4c 2781 if (ost->stream_copy)
6291d7e4
AK
2782 av_freep(&ost->st->codec->extradata);
2783 if (ost->logfile) {
2784 fclose(ost->logfile);
2785 ost->logfile = NULL;
2786 }
2787 av_fifo_free(ost->fifo); /* works even if fifo is not
2788 initialized but set to zero */
2789 av_freep(&ost->st->codec->subtitle_header);
6291d7e4 2790 av_free(ost->forced_kf_pts);
6291d7e4
AK
2791 if (ost->resample)
2792 audio_resample_close(ost->resample);
2793 if (ost->reformat_ctx)
2794 av_audio_convert_free(ost->reformat_ctx);
2795 av_dict_free(&ost->opts);
6291d7e4
AK
2796 }
2797 }
6291d7e4
AK
2798 }
2799 return ret;
2800}
2801
ca46fde7 2802static double parse_frame_aspect_ratio(const char *arg)
6291d7e4
AK
2803{
2804 int x = 0, y = 0;
2805 double ar = 0;
2806 const char *p;
2807 char *end;
2808
2809 p = strchr(arg, ':');
2810 if (p) {
2811 x = strtol(arg, &end, 10);
2812 if (end == p)
7636c8c6 2813 y = strtol(end + 1, &end, 10);
6291d7e4
AK
2814 if (x > 0 && y > 0)
2815 ar = (double)x / (double)y;
2816 } else
2817 ar = strtod(arg, NULL);
2818
2819 if (!ar) {
e3245b26 2820 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
ca46fde7 2821 exit_program(1);
6291d7e4 2822 }
ca46fde7 2823 return ar;
6291d7e4
AK
2824}
2825
35e6f8c1 2826static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2827{
35e6f8c1 2828 return parse_option(o, "codec:a", arg, options);
6291d7e4
AK
2829}
2830
35e6f8c1 2831static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2832{
35e6f8c1 2833 return parse_option(o, "codec:v", arg, options);
6291d7e4
AK
2834}
2835
35e6f8c1 2836static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2837{
35e6f8c1 2838 return parse_option(o, "codec:s", arg, options);
6291d7e4
AK
2839}
2840
35e6f8c1 2841static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2842{
35e6f8c1 2843 return parse_option(o, "codec:d", arg, options);
6291d7e4
AK
2844}
2845
575ec4e1 2846static int opt_map(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2847{
8d2e4a7e
AK
2848 StreamMap *m = NULL;
2849 int i, negative = 0, file_idx;
2850 int sync_file_idx = -1, sync_stream_idx;
2851 char *p, *sync;
2852 char *map;
6291d7e4 2853
8d2e4a7e
AK
2854 if (*arg == '-') {
2855 negative = 1;
2856 arg++;
2857 }
2858 map = av_strdup(arg);
6291d7e4 2859
8d2e4a7e
AK
2860 /* parse sync stream first, just pick first matching stream */
2861 if (sync = strchr(map, ',')) {
2862 *sync = 0;
2863 sync_file_idx = strtol(sync + 1, &sync, 0);
2864 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
f24facd3 2865 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
8d2e4a7e
AK
2866 exit_program(1);
2867 }
2868 if (*sync)
2869 sync++;
ed5b1326 2870 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
8d2e4a7e
AK
2871 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2872 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2873 sync_stream_idx = i;
2874 break;
2875 }
ed5b1326 2876 if (i == input_files[sync_file_idx].nb_streams) {
f24facd3 2877 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
8d2e4a7e
AK
2878 "match any streams.\n", arg);
2879 exit_program(1);
2880 }
2881 }
6291d7e4 2882
8d2e4a7e
AK
2883
2884 file_idx = strtol(map, &p, 0);
2885 if (file_idx >= nb_input_files || file_idx < 0) {
f24facd3 2886 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
8d2e4a7e 2887 exit_program(1);
6291d7e4 2888 }
8d2e4a7e
AK
2889 if (negative)
2890 /* disable some already defined maps */
575ec4e1
AK
2891 for (i = 0; i < o->nb_stream_maps; i++) {
2892 m = &o->stream_maps[i];
e6674f68
AK
2893 if (file_idx == m->file_index &&
2894 check_stream_specifier(input_files[m->file_index].ctx,
8d2e4a7e
AK
2895 input_files[m->file_index].ctx->streams[m->stream_index],
2896 *p == ':' ? p + 1 : p) > 0)
2897 m->disabled = 1;
2898 }
2899 else
ed5b1326 2900 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
8d2e4a7e
AK
2901 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2902 *p == ':' ? p + 1 : p) <= 0)
2903 continue;
575ec4e1
AK
2904 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2905 &o->nb_stream_maps, o->nb_stream_maps + 1);
2906 m = &o->stream_maps[o->nb_stream_maps - 1];
8d2e4a7e
AK
2907
2908 m->file_index = file_idx;
2909 m->stream_index = i;
2910
2911 if (sync_file_idx >= 0) {
2912 m->sync_file_index = sync_file_idx;
2913 m->sync_stream_index = sync_stream_idx;
2914 } else {
2915 m->sync_file_index = file_idx;
2916 m->sync_stream_index = i;
2917 }
2918 }
2919
2920 if (!m) {
f24facd3 2921 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
8d2e4a7e
AK
2922 exit_program(1);
2923 }
2924
2925 av_freep(&map);
6291d7e4
AK
2926 return 0;
2927}
2928
4dbc6cee
AK
2929static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
2930{
2931 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
2932 &o->nb_attachments, o->nb_attachments + 1);
2933 o->attachments[o->nb_attachments - 1] = arg;
2934 return 0;
2935}
2936
a7b5e841
AK
2937/**
2938 * Parse a metadata specifier in arg.
2939 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
2940 * @param index for type c/p, chapter/program index is written here
2941 * @param stream_spec for type s, the stream specifier is written here
2942 */
2943static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
6291d7e4 2944{
039267f1 2945 if (*arg) {
a2a38d96 2946 *type = *arg;
6291d7e4
AK
2947 switch (*arg) {
2948 case 'g':
2949 break;
2950 case 's':
a7b5e841
AK
2951 if (*(++arg) && *arg != ':') {
2952 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
2953 exit_program(1);
2954 }
2955 *stream_spec = *arg == ':' ? arg + 1 : "";
2956 break;
6291d7e4
AK
2957 case 'c':
2958 case 'p':
e6e6060c
AK
2959 if (*(++arg) == ':')
2960 *index = strtol(++arg, NULL, 0);
6291d7e4
AK
2961 break;
2962 default:
e3245b26 2963 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
6291d7e4
AK
2964 exit_program(1);
2965 }
2966 } else
2967 *type = 'g';
2968}
2969
a7b5e841 2970static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
6291d7e4 2971{
a7b5e841
AK
2972 AVDictionary **meta_in = NULL;
2973 AVDictionary **meta_out;
2974 int i, ret = 0;
2975 char type_in, type_out;
2976 const char *istream_spec = NULL, *ostream_spec = NULL;
2977 int idx_in = 0, idx_out = 0;
6291d7e4 2978
a7b5e841
AK
2979 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
2980 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
6291d7e4 2981
a7b5e841 2982 if (type_in == 'g' || type_out == 'g')
847529f8 2983 o->metadata_global_manual = 1;
a7b5e841 2984 if (type_in == 's' || type_out == 's')
847529f8 2985 o->metadata_streams_manual = 1;
a7b5e841 2986 if (type_in == 'c' || type_out == 'c')
847529f8 2987 o->metadata_chapters_manual = 1;
6291d7e4 2988
a7b5e841
AK
2989#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
2990 if ((index) < 0 || (index) >= (nb_elems)) {\
2991 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
2992 (desc), (index));\
2993 exit_program(1);\
2994 }
2995
2996#define SET_DICT(type, meta, context, index)\
2997 switch (type) {\
2998 case 'g':\
2999 meta = &context->metadata;\
3000 break;\
3001 case 'c':\
3002 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3003 meta = &context->chapters[index]->metadata;\
3004 break;\
3005 case 'p':\
3006 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3007 meta = &context->programs[index]->metadata;\
3008 break;\
3009 }\
3010
3011 SET_DICT(type_in, meta_in, ic, idx_in);
3012 SET_DICT(type_out, meta_out, oc, idx_out);
3013
3014 /* for input streams choose first matching stream */
3015 if (type_in == 's') {
3016 for (i = 0; i < ic->nb_streams; i++) {
3017 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3018 meta_in = &ic->streams[i]->metadata;
3019 break;
3020 } else if (ret < 0)
3021 exit_program(1);
3022 }
3023 if (!meta_in) {
3024 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3025 exit_program(1);
3026 }
3027 }
3028
3029 if (type_out == 's') {
3030 for (i = 0; i < oc->nb_streams; i++) {
3031 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3032 meta_out = &oc->streams[i]->metadata;
3033 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3034 } else if (ret < 0)
3035 exit_program(1);
3036 }
3037 } else
3038 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3039
6291d7e4
AK
3040 return 0;
3041}
3042
1b648c7c 3043static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
169f0647
AK
3044{
3045 const char *codec_string = encoder ? "encoder" : "decoder";
3046 AVCodec *codec;
3047
169f0647
AK
3048 codec = encoder ?
3049 avcodec_find_encoder_by_name(name) :
3050 avcodec_find_decoder_by_name(name);
7636c8c6 3051 if (!codec) {
f24facd3 3052 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
169f0647
AK
3053 exit_program(1);
3054 }
7636c8c6 3055 if (codec->type != type) {
f24facd3 3056 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
169f0647
AK
3057 exit_program(1);
3058 }
1b648c7c 3059 return codec;
169f0647
AK
3060}
3061
1b648c7c 3062static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
169f0647 3063{
169f0647 3064 char *codec_name = NULL;
169f0647 3065
35e6f8c1 3066 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
1b648c7c
AK
3067 if (codec_name) {
3068 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3069 st->codec->codec_id = codec->id;
3070 return codec;
3071 } else
3072 return avcodec_find_decoder(st->codec->codec_id);
169f0647 3073}
6291d7e4 3074
88867844
AK
3075/**
3076 * Add all the streams from the given input file to the global
3077 * list of input streams.
3078 */
35e6f8c1 3079static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
88867844 3080{
c88d5319 3081 int i;
88867844
AK
3082
3083 for (i = 0; i < ic->nb_streams; i++) {
3084 AVStream *st = ic->streams[i];
3085 AVCodecContext *dec = st->codec;
3086 InputStream *ist;
3087
88867844
AK
3088 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3089 ist = &input_streams[nb_input_streams - 1];
3090 ist->st = st;
3091 ist->file_index = nb_input_files;
3092 ist->discard = 1;
13f6917c 3093 st->discard = AVDISCARD_ALL;
88867844
AK
3094 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3095
059fb8c8
AK
3096 ist->ts_scale = 1.0;
3097 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
88867844 3098
1b648c7c 3099 ist->dec = choose_decoder(o, ic, st);
88867844
AK
3100
3101 switch (dec->codec_type) {
88867844 3102 case AVMEDIA_TYPE_VIDEO:
88867844
AK
3103 if (dec->lowres) {
3104 dec->flags |= CODEC_FLAG_EMU_EDGE;
3105 dec->height >>= dec->lowres;
3106 dec->width >>= dec->lowres;
3107 }
88867844 3108
88867844 3109 break;
13f6917c 3110 case AVMEDIA_TYPE_AUDIO:
88867844 3111 case AVMEDIA_TYPE_DATA:
88867844 3112 case AVMEDIA_TYPE_SUBTITLE:
88867844
AK
3113 case AVMEDIA_TYPE_ATTACHMENT:
3114 case AVMEDIA_TYPE_UNKNOWN:
3115 break;
3116 default:
3117 abort();
3118 }
3119 }
3120}
3121
a2c0b830
AK
3122static void assert_file_overwrite(const char *filename)
3123{
3124 if (!file_overwrite &&
3125 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3126 av_strstart(filename, "file:", NULL))) {
3127 if (avio_check(filename, 0) == 0) {
3128 if (!using_stdin) {
3129 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3130 fflush(stderr);
3131 if (!read_yesno()) {
3132 fprintf(stderr, "Not overwriting - exiting\n");
3133 exit_program(1);
3134 }
3135 }
3136 else {
3137 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3138 exit_program(1);
3139 }
3140 }
3141 }
3142}
3143
3144static void dump_attachment(AVStream *st, const char *filename)
3145{
3146 int ret;
3147 AVIOContext *out = NULL;
3148 AVDictionaryEntry *e;
3149
3150 if (!st->codec->extradata_size) {
3151 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3152 nb_input_files - 1, st->index);
3153 return;
3154 }
3155 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3156 filename = e->value;
3157 if (!*filename) {
3158 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3159 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3160 exit_program(1);
3161 }
3162
3163 assert_file_overwrite(filename);
3164
2abe947a 3165 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
a2c0b830
AK
3166 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3167 filename);
3168 exit_program(1);
3169 }
3170
3171 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3172 avio_flush(out);
3173 avio_close(out);
3174}
3175
575ec4e1 3176static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
6291d7e4
AK
3177{
3178 AVFormatContext *ic;
3179 AVInputFormat *file_iformat = NULL;
88867844 3180 int err, i, ret;
6291d7e4
AK
3181 int64_t timestamp;
3182 uint8_t buf[128];
3183 AVDictionary **opts;
3184 int orig_nb_streams; // number of streams before avformat_find_stream_info
3185
7041bb3b
AK
3186 if (o->format) {
3187 if (!(file_iformat = av_find_input_format(o->format))) {
e3245b26 3188 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
6291d7e4
AK
3189 exit_program(1);
3190 }
6291d7e4
AK
3191 }
3192
3193 if (!strcmp(filename, "-"))
3194 filename = "pipe:";
3195
3196 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3197 !strcmp(filename, "/dev/stdin");
3198
3199 /* get default parameters from command line */
3200 ic = avformat_alloc_context();
3201 if (!ic) {
3202 print_error(filename, AVERROR(ENOMEM));
3203 exit_program(1);
3204 }
e2469ccf
AK
3205 if (o->nb_audio_sample_rate) {
3206 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
6291d7e4
AK
3207 av_dict_set(&format_opts, "sample_rate", buf, 0);
3208 }
6a11686d
AK
3209 if (o->nb_audio_channels) {
3210 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
6291d7e4
AK
3211 av_dict_set(&format_opts, "channels", buf, 0);
3212 }
91ea4811
AK
3213 if (o->nb_frame_rates) {
3214 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
6291d7e4 3215 }
d4397b03
AK
3216 if (o->nb_frame_sizes) {
3217 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
6291d7e4 3218 }
b2254d83
AK
3219 if (o->nb_frame_pix_fmts)
3220 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
6291d7e4 3221
6291d7e4 3222 ic->flags |= AVFMT_FLAG_NONBLOCK;
2abe947a 3223 ic->interrupt_callback = int_cb;
6291d7e4
AK
3224
3225 /* open the input file with generic libav function */
3226 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3227 if (err < 0) {
3228 print_error(filename, err);
3229 exit_program(1);
3230 }
3231 assert_avoptions(format_opts);
3232
92f1940e
AK
3233 /* apply forced codec ids */
3234 for (i = 0; i < ic->nb_streams; i++)
1b648c7c 3235 choose_decoder(o, ic, ic->streams[i]);
92f1940e 3236
6291d7e4
AK
3237 /* Set AVCodecContext options for avformat_find_stream_info */
3238 opts = setup_find_stream_info_opts(ic, codec_opts);
3239 orig_nb_streams = ic->nb_streams;
3240
3241 /* If not enough info to get the stream parameters, we decode the
3242 first frames to get it. (used in mpeg case for example) */
3243 ret = avformat_find_stream_info(ic, opts);
e3245b26
AK
3244 if (ret < 0) {
3245 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
cd3716b9 3246 avformat_close_input(&ic);
6291d7e4
AK
3247 exit_program(1);
3248 }
3249
6b779ccc 3250 timestamp = o->start_time;
6291d7e4
AK
3251 /* add the stream start time */
3252 if (ic->start_time != AV_NOPTS_VALUE)
3253 timestamp += ic->start_time;
3254
3255 /* if seeking requested, we execute it */
6b779ccc 3256 if (o->start_time != 0) {
6291d7e4
AK
3257 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3258 if (ret < 0) {
e3245b26
AK
3259 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3260 filename, (double)timestamp / AV_TIME_BASE);
6291d7e4 3261 }
6291d7e4
AK
3262 }
3263
3264 /* update the current parameters so that they match the one of the input stream */
35e6f8c1 3265 add_input_streams(o, ic);
6291d7e4
AK
3266
3267 /* dump the file content */
e3245b26 3268 av_dump_format(ic, nb_input_files, filename, 0);
6291d7e4
AK
3269
3270 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3271 input_files[nb_input_files - 1].ctx = ic;
3272 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
6b779ccc 3273 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
ed5b1326 3274 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
dc3e76f3 3275 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
6291d7e4 3276
a2c0b830
AK
3277 for (i = 0; i < o->nb_dump_attachment; i++) {
3278 int j;
3279
3280 for (j = 0; j < ic->nb_streams; j++) {
3281 AVStream *st = ic->streams[j];
3282
3283 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3284 dump_attachment(st, o->dump_attachment[i].u.str);
3285 }
3286 }
3287
6291d7e4
AK
3288 for (i = 0; i < orig_nb_streams; i++)
3289 av_dict_free(&opts[i]);
3290 av_freep(&opts);
575ec4e1
AK
3291
3292 reset_options(o);
6291d7e4
AK
3293 return 0;
3294}
3295
f233cfed
AK
3296static void parse_forced_key_frames(char *kf, OutputStream *ost,
3297 AVCodecContext *avctx)
3298{
3299 char *p;
3300 int n = 1, i;
3301 int64_t t;
3302
3303 for (p = kf; *p; p++)
3304 if (*p == ',')
3305 n++;
3306 ost->forced_kf_count = n;
7636c8c6 3307 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
f233cfed
AK
3308 if (!ost->forced_kf_pts) {
3309 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3310 exit_program(1);
3311 }
3312 for (i = 0; i < n; i++) {
3313 p = i ? strchr(p, ',') + 1 : kf;
3314 t = parse_time_or_die("force_key_frames", p, 1);
3315 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3316 }
3317}
3318
3ec34462
AK
3319static uint8_t *get_line(AVIOContext *s)
3320{
3321 AVIOContext *line;
3322 uint8_t *buf;
3323 char c;
3324
3325 if (avio_open_dyn_buf(&line) < 0) {
3326 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3327 exit_program(1);
3328 }
3329
3330 while ((c = avio_r8(s)) && c != '\n')
3331 avio_w8(line, c);
3332 avio_w8(line, 0);
3333 avio_close_dyn_buf(line, &buf);
3334
3335 return buf;
3336}
3337
3338static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3339{
3340 int i, ret = 1;
3341 char filename[1000];
3342 const char *base[3] = { getenv("AVCONV_DATADIR"),
3343 getenv("HOME"),
3344 AVCONV_DATADIR,
3345 };
3346
3347 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3348 if (!base[i])
3349 continue;
3350 if (codec_name) {
3351 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3352 i != 1 ? "" : "/.avconv", codec_name, preset_name);
2abe947a 3353 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3ec34462
AK
3354 }
3355 if (ret) {
3356 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3357 i != 1 ? "" : "/.avconv", preset_name);
2abe947a 3358 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3ec34462
AK
3359 }
3360 }
3361 return ret;
3362}
3363
1b648c7c
AK
3364static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3365{
3366 char *codec_name = NULL;
3367
3368 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3369 if (!codec_name) {
3370 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3371 NULL, ost->st->codec->codec_type);
3372 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3373 } else if (!strcmp(codec_name, "copy"))
3d813e4c 3374 ost->stream_copy = 1;
1b648c7c
AK
3375 else {
3376 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3377 ost->st->codec->codec_id = ost->enc->id;
3378 }
3379}
3380
35e6f8c1 3381static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
169f0647
AK
3382{
3383 OutputStream *ost;
84ad31ff 3384 AVStream *st = avformat_new_stream(oc, NULL);
3ec34462 3385 int idx = oc->nb_streams - 1, ret = 0;
013887eb 3386 char *bsf = NULL, *next, *codec_tag = NULL;
d821cbe2 3387 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
77d9c454 3388 double qscale = -1;
3ec34462
AK
3389 char *buf = NULL, *arg = NULL, *preset = NULL;
3390 AVIOContext *s = NULL;
169f0647
AK
3391
3392 if (!st) {
f24facd3 3393 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
169f0647
AK
3394 exit_program(1);
3395 }
3396
84ad31ff
AK
3397 if (oc->nb_streams - 1 < o->nb_streamid_map)
3398 st->id = o->streamid_map[oc->nb_streams - 1];
3399
4288e031
AK
3400 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3401 nb_output_streams + 1);
3402 ost = &output_streams[nb_output_streams - 1];
40fc2810 3403 ost->file_index = nb_output_files;
7636c8c6
AD
3404 ost->index = idx;
3405 ost->st = st;
169f0647 3406 st->codec->codec_type = type;
1b648c7c 3407 choose_encoder(o, oc, ost);
169f0647
AK
3408 if (ost->enc) {
3409 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3410 }
3411
3412 avcodec_get_context_defaults3(st->codec, ost->enc);
3413 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3414
3ec34462
AK
3415 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3416 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3417 do {
3418 buf = get_line(s);
3419 if (!buf[0] || buf[0] == '#') {
3420 av_free(buf);
3421 continue;
3422 }
3423 if (!(arg = strchr(buf, '='))) {
3424 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3425 exit_program(1);
3426 }
3427 *arg++ = 0;
3428 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3429 av_free(buf);
3430 } while (!s->eof_reached);
3431 avio_close(s);
3432 }
3433 if (ret) {
3434 av_log(NULL, AV_LOG_FATAL,
3435 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3436 preset, ost->file_index, ost->index);
3437 exit_program(1);
3438 }
3439
059fb8c8
AK
3440 ost->max_frames = INT64_MAX;
3441 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
96139b5e 3442
d821cbe2
AK
3443 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3444 while (bsf) {
3445 if (next = strchr(bsf, ','))
3446 *next++ = 0;
3447 if (!(bsfc = av_bitstream_filter_init(bsf))) {
f24facd3 3448 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
d821cbe2
AK
3449 exit_program(1);
3450 }
3451 if (bsfc_prev)
3452 bsfc_prev->next = bsfc;
3453 else
3454 ost->bitstream_filters = bsfc;
3455
3456 bsfc_prev = bsfc;
3457 bsf = next;
3458 }
3459
013887eb
AK
3460 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3461 if (codec_tag) {
3462 uint32_t tag = strtol(codec_tag, &next, 0);
3463 if (*next)
3464 tag = AV_RL32(codec_tag);
3465 st->codec->codec_tag = tag;
3466 }
3467
77d9c454
AK
3468 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3469 if (qscale >= 0 || same_quant) {
3470 st->codec->flags |= CODEC_FLAG_QSCALE;
3471 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3472 }
3473
becdce99
AK
3474 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3475 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3476
3b3ea346 3477 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
169f0647
AK
3478 return ost;
3479}
3480
2c2cff16
AK
3481static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3482{
3483 int i;
3484 const char *p = str;
7636c8c6 3485 for (i = 0;; i++) {
2c2cff16 3486 dest[i] = atoi(p);
7636c8c6 3487 if (i == 63)
2c2cff16
AK
3488 break;
3489 p = strchr(p, ',');
7636c8c6 3490 if (!p) {
e3245b26 3491 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
2c2cff16
AK
3492 exit_program(1);
3493 }
3494 p++;
3495 }
3496}
3497
35e6f8c1 3498static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK
3499{