avconv: rework -t handling for encoding.
[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
50#if CONFIG_AVFILTER
51# include "libavfilter/avfilter.h"
52# include "libavfilter/avfiltergraph.h"
04a14d4d 53# include "libavfilter/buffersrc.h"
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54# include "libavfilter/vsrc_buffer.h"
55#endif
56
57#if HAVE_SYS_RESOURCE_H
58#include <sys/types.h>
59#include <sys/time.h>
60#include <sys/resource.h>
61#elif HAVE_GETPROCESSTIMES
62#include <windows.h>
63#endif
64#if HAVE_GETPROCESSMEMORYINFO
65#include <windows.h>
66#include <psapi.h>
67#endif
68
69#if HAVE_SYS_SELECT_H
70#include <sys/select.h>
71#endif
72
73#include <time.h>
74
75#include "cmdutils.h"
76
77#include "libavutil/avassert.h"
78
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79#define VSYNC_AUTO -1
80#define VSYNC_PASSTHROUGH 0
81#define VSYNC_CFR 1
82#define VSYNC_VFR 2
83
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84const char program_name[] = "avconv";
85const int program_birth_year = 2000;
86
87/* select an input stream for an output stream */
88typedef struct StreamMap {
8d2e4a7e 89 int disabled; /** 1 is this mapping is disabled by a negative map */
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90 int file_index;
91 int stream_index;
92 int sync_file_index;
93 int sync_stream_index;
94} StreamMap;
95
96/**
97 * select an input file for an output file
98 */
99typedef struct MetadataMap {
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100 int file; ///< file index
101 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
102 int index; ///< stream/chapter/program number
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103} MetadataMap;
104
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105static const OptionDef options[];
106
6291d7e4 107static int video_discard = 0;
f4ad238c 108static int same_quant = 0;
6291d7e4 109static int do_deinterlace = 0;
6291d7e4 110static int intra_dc_precision = 8;
6291d7e4 111static int qp_hist = 0;
6291d7e4 112
6291d7e4 113static int file_overwrite = 0;
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114static int do_benchmark = 0;
115static int do_hex_dump = 0;
116static int do_pkt_dump = 0;
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117static int do_pass = 0;
118static char *pass_logfilename_prefix = NULL;
e8c04f62 119static int video_sync_method = VSYNC_AUTO;
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120static int audio_sync_method = 0;
121static float audio_drift_threshold = 0.1;
122static int copy_ts = 0;
7bb3e625 123static int copy_tb = 1;
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124static int opt_shortest = 0;
125static char *vstats_filename;
126static FILE *vstats_file;
6291d7e4 127
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128static int audio_volume = 256;
129
130static int exit_on_error = 0;
131static int using_stdin = 0;
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132static int64_t video_size = 0;
133static int64_t audio_size = 0;
134static int64_t extra_size = 0;
135static int nb_frames_dup = 0;
136static int nb_frames_drop = 0;
137static int input_sync;
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138
139static float dts_delta_threshold = 10;
140
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141static int print_stats = 1;
142
6291d7e4 143static uint8_t *audio_buf;
ee458cb1 144static unsigned int allocated_audio_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 */
171 int64_t next_pts; /* synthetic pts for cases where pkt.pts
172 is not defined */
173 int64_t pts; /* current pts */
174 PtsCorrectionContext pts_ctx;
175 double ts_scale;
176 int is_start; /* is 1 at the start and after a discontinuity */
177 int showed_multi_packet_warning;
178 AVDictionary *opts;
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179
180 /* a pool of free buffers for decoded data */
181 FrameBuffer *buffer_pool;
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182} InputStream;
183
184typedef struct InputFile {
185 AVFormatContext *ctx;
186 int eof_reached; /* true if eof reached */
187 int ist_index; /* index of first stream in ist_table */
188 int buffer_size; /* current total buffer size */
189 int64_t ts_offset;
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190 int nb_streams; /* number of stream that avconv is aware of; may be different
191 from ctx.nb_streams if new streams appear during av_read_frame() */
f4805328 192 int rate_emu;
6494c001 193} InputFile;
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194
195typedef struct OutputStream {
196 int file_index; /* file index */
197 int index; /* stream index in the output file */
198 int source_index; /* InputStream index */
199 AVStream *st; /* stream in the output file */
200 int encoding_needed; /* true if encoding needed for this stream */
201 int frame_number;
202 /* input pts and corresponding output pts
203 for A/V sync */
7636c8c6 204 // double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
6291d7e4 205 struct InputStream *sync_ist; /* input stream to sync against */
7636c8c6 206 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
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207 /* pts of the first frame encoded for this stream, used for limiting
208 * recording time */
209 int64_t first_pts;
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210 AVBitStreamFilterContext *bitstream_filters;
211 AVCodec *enc;
96139b5e 212 int64_t max_frames;
ee458cb1 213 AVFrame *output_frame;
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214
215 /* video only */
216 int video_resample;
217 AVFrame pict_tmp; /* temporary image for resampling */
218 struct SwsContext *img_resample_ctx; /* for image resampling */
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
244#if CONFIG_AVFILTER
245 AVFilterContext *output_video_filter;
246 AVFilterContext *input_video_filter;
247 AVFilterBufferRef *picref;
248 char *avfilter;
249 AVFilterGraph *graph;
250#endif
251
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252 int64_t sws_flags;
253 AVDictionary *opts;
254 int is_past_recording_time;
255 int stream_copy;
256 const char *attachment_filename;
257 int copy_initial_nonkeyframes;
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258} OutputStream;
259
6291d7e4 260
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261typedef struct OutputFile {
262 AVFormatContext *ctx;
263 AVDictionary *opts;
4288e031 264 int ost_index; /* index of the first stream in output_streams */
ef44a607 265 int64_t recording_time; /* desired length of the resulting file in microseconds */
ea065176 266 int64_t start_time; /* start time in microseconds */
f21f294e 267 uint64_t limit_filesize;
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268} OutputFile;
269
7636c8c6 270static InputStream *input_streams = NULL;
6291d7e4 271static int nb_input_streams = 0;
7636c8c6 272static InputFile *input_files = NULL;
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273static int nb_input_files = 0;
274
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275static OutputStream *output_streams = NULL;
276static int nb_output_streams = 0;
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277static OutputFile *output_files = NULL;
278static int nb_output_files = 0;
279
575ec4e1 280typedef struct OptionsContext {
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281 /* input/output options */
282 int64_t start_time;
7041bb3b 283 const char *format;
6b779ccc 284
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285 SpecifierOpt *codec_names;
286 int nb_codec_names;
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287 SpecifierOpt *audio_channels;
288 int nb_audio_channels;
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289 SpecifierOpt *audio_sample_rate;
290 int nb_audio_sample_rate;
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291 SpecifierOpt *frame_rates;
292 int nb_frame_rates;
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293 SpecifierOpt *frame_sizes;
294 int nb_frame_sizes;
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295 SpecifierOpt *frame_pix_fmts;
296 int nb_frame_pix_fmts;
35e6f8c1 297
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298 /* input options */
299 int64_t input_ts_offset;
f4805328 300 int rate_emu;
6b779ccc 301
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302 SpecifierOpt *ts_scale;
303 int nb_ts_scale;
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304 SpecifierOpt *dump_attachment;
305 int nb_dump_attachment;
33f75d72 306
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307 /* output options */
308 StreamMap *stream_maps;
309 int nb_stream_maps;
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310 /* first item specifies output metadata, second is input */
311 MetadataMap (*meta_data_maps)[2];
312 int nb_meta_data_maps;
313 int metadata_global_manual;
314 int metadata_streams_manual;
315 int metadata_chapters_manual;
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316 const char **attachments;
317 int nb_attachments;
6b779ccc 318
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319 int chapters_input_file;
320
6b779ccc 321 int64_t recording_time;
13ccba50 322 uint64_t limit_filesize;
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323 float mux_preload;
324 float mux_max_delay;
039267f1 325
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326 int video_disable;
327 int audio_disable;
328 int subtitle_disable;
329 int data_disable;
330
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331 /* indexed by output file stream index */
332 int *streamid_map;
333 int nb_streamid_map;
334
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335 SpecifierOpt *metadata;
336 int nb_metadata;
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337 SpecifierOpt *max_frames;
338 int nb_max_frames;
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339 SpecifierOpt *bitstream_filters;
340 int nb_bitstream_filters;
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341 SpecifierOpt *codec_tags;
342 int nb_codec_tags;
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343 SpecifierOpt *sample_fmts;
344 int nb_sample_fmts;
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345 SpecifierOpt *qscale;
346 int nb_qscale;
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347 SpecifierOpt *forced_key_frames;
348 int nb_forced_key_frames;
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349 SpecifierOpt *force_fps;
350 int nb_force_fps;
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351 SpecifierOpt *frame_aspect_ratios;
352 int nb_frame_aspect_ratios;
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353 SpecifierOpt *rc_overrides;
354 int nb_rc_overrides;
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355 SpecifierOpt *intra_matrices;
356 int nb_intra_matrices;
357 SpecifierOpt *inter_matrices;
358 int nb_inter_matrices;
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359 SpecifierOpt *top_field_first;
360 int nb_top_field_first;
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361 SpecifierOpt *metadata_map;
362 int nb_metadata_map;
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363 SpecifierOpt *presets;
364 int nb_presets;
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365 SpecifierOpt *copy_initial_nonkeyframes;
366 int nb_copy_initial_nonkeyframes;
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367#if CONFIG_AVFILTER
368 SpecifierOpt *filters;
369 int nb_filters;
370#endif
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371} OptionsContext;
372
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373#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
374{\
375 int i, ret;\
376 for (i = 0; i < o->nb_ ## name; i++) {\
377 char *spec = o->name[i].specifier;\
378 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
379 outvar = o->name[i].u.type;\
380 else if (ret < 0)\
381 exit_program(1);\
382 }\
383}
384
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385static void reset_options(OptionsContext *o)
386{
387 const OptionDef *po = options;
388
389 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
390 while (po->name) {
391 void *dst = (uint8_t*)o + po->u.off;
392
393 if (po->flags & OPT_SPEC) {
394 SpecifierOpt **so = dst;
395 int i, *count = (int*)(so + 1);
396 for (i = 0; i < *count; i++) {
397 av_freep(&(*so)[i].specifier);
398 if (po->flags & OPT_STRING)
399 av_freep(&(*so)[i].u.str);
400 }
401 av_freep(so);
402 *count = 0;
403 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
404 av_freep(dst);
405 po++;
406 }
407
408 av_freep(&o->stream_maps);
847529f8 409 av_freep(&o->meta_data_maps);
495ecfd1 410 av_freep(&o->streamid_map);
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411
412 memset(o, 0, sizeof(*o));
6b779ccc 413
dc26318c 414 o->mux_max_delay = 0.7;
6b779ccc 415 o->recording_time = INT64_MAX;
13ccba50 416 o->limit_filesize = UINT64_MAX;
c5bb372e 417 o->chapters_input_file = INT_MAX;
6b779ccc 418
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419 uninit_opts();
420 init_opts();
421}
422
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423static int alloc_buffer(InputStream *ist, FrameBuffer **pbuf)
424{
425 AVCodecContext *s = ist->st->codec;
426 FrameBuffer *buf = av_mallocz(sizeof(*buf));
3715d841 427 int i, ret;
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428 const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;
429 int h_chroma_shift, v_chroma_shift;
430 int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1
431 int w = s->width, h = s->height;
432
433 if (!buf)
434 return AVERROR(ENOMEM);
435
436 if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
437 w += 2*edge;
438 h += 2*edge;
439 }
440
441 avcodec_align_dimensions(s, &w, &h);
442 if ((ret = av_image_alloc(buf->base, buf->linesize, w, h,
443 s->pix_fmt, 32)) < 0) {
444 av_freep(&buf);
445 return ret;
446 }
447 /* XXX this shouldn't be needed, but some tests break without this line
448 * those decoders are buggy and need to be fixed.
449 * the following tests fail:
450 * bethsoft-vid, cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit
451 */
452 memset(buf->base[0], 128, ret);
453
454 avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
3715d841 455 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
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456 const int h_shift = i==0 ? 0 : h_chroma_shift;
457 const int v_shift = i==0 ? 0 : v_chroma_shift;
458 if (s->flags & CODEC_FLAG_EMU_EDGE)
459 buf->data[i] = buf->base[i];
460 else
461 buf->data[i] = buf->base[i] +
462 FFALIGN((buf->linesize[i]*edge >> v_shift) +
463 (pixel_size*edge >> h_shift), 32);
464 }
465 buf->w = s->width;
466 buf->h = s->height;
467 buf->pix_fmt = s->pix_fmt;
468 buf->ist = ist;
469
470 *pbuf = buf;
471 return 0;
472}
473
474static void free_buffer_pool(InputStream *ist)
475{
476 FrameBuffer *buf = ist->buffer_pool;
477 while (buf) {
478 ist->buffer_pool = buf->next;
479 av_freep(&buf->base[0]);
480 av_free(buf);
481 buf = ist->buffer_pool;
482 }
483}
484
485static void unref_buffer(InputStream *ist, FrameBuffer *buf)
486{
487 av_assert0(buf->refcount);
488 buf->refcount--;
489 if (!buf->refcount) {
490 buf->next = ist->buffer_pool;
491 ist->buffer_pool = buf;
492 }
493}
494
495static int codec_get_buffer(AVCodecContext *s, AVFrame *frame)
496{
497 InputStream *ist = s->opaque;
498 FrameBuffer *buf;
499 int ret, i;
500
501 if (!ist->buffer_pool && (ret = alloc_buffer(ist, &ist->buffer_pool)) < 0)
502 return ret;
503
504 buf = ist->buffer_pool;
505 ist->buffer_pool = buf->next;
506 buf->next = NULL;
507 if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) {
508 av_freep(&buf->base[0]);
509 av_free(buf);
510 if ((ret = alloc_buffer(ist, &buf)) < 0)
511 return ret;
512 }
513 buf->refcount++;
514
515 frame->opaque = buf;
516 frame->type = FF_BUFFER_TYPE_USER;
517 frame->extended_data = frame->data;
518 frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE;
519
520 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
521 frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't
522 frame->data[i] = buf->data[i];
523 frame->linesize[i] = buf->linesize[i];
524 }
525
526 return 0;
527}
528
529static void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
530{
531 InputStream *ist = s->opaque;
532 FrameBuffer *buf = frame->opaque;
533 int i;
534
535 for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
536 frame->data[i] = NULL;
537
538 unref_buffer(ist, buf);
539}
540
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541static void filter_release_buffer(AVFilterBuffer *fb)
542{
543 FrameBuffer *buf = fb->priv;
544 av_free(fb);
545 unref_buffer(buf->ist, buf);
546}
547
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548#if CONFIG_AVFILTER
549
550static int configure_video_filters(InputStream *ist, OutputStream *ost)
551{
552 AVFilterContext *last_filter, *filter;
553 /** filter graph containing all filters including input & output */
554 AVCodecContext *codec = ost->st->codec;
555 AVCodecContext *icodec = ist->st->codec;
abe655a4 556 SinkContext sink_ctx = { .pix_fmt = codec->pix_fmt };
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557 AVRational sample_aspect_ratio;
558 char args[255];
559 int ret;
560
561 ost->graph = avfilter_graph_alloc();
562
7636c8c6 563 if (ist->st->sample_aspect_ratio.num) {
6291d7e4 564 sample_aspect_ratio = ist->st->sample_aspect_ratio;
7636c8c6 565 } else
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566 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
567
568 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
569 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
570 sample_aspect_ratio.num, sample_aspect_ratio.den);
571
572 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
573 "src", args, NULL, ost->graph);
574 if (ret < 0)
575 return ret;
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576 ret = avfilter_graph_create_filter(&ost->output_video_filter, &sink,
577 "out", NULL, &sink_ctx, ost->graph);
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578 if (ret < 0)
579 return ret;
580 last_filter = ost->input_video_filter;
581
7636c8c6 582 if (codec->width != icodec->width || codec->height != icodec->height) {
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583 snprintf(args, 255, "%d:%d:flags=0x%X",
584 codec->width,
585 codec->height,
3b3ea346 586 (unsigned)ost->sws_flags);
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587 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
588 NULL, args, NULL, ost->graph)) < 0)
589 return ret;
590 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
591 return ret;
592 last_filter = filter;
593 }
594
3b3ea346 595 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
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596 ost->graph->scale_sws_opts = av_strdup(args);
597
598 if (ost->avfilter) {
599 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
600 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
601
602 outputs->name = av_strdup("in");
603 outputs->filter_ctx = last_filter;
604 outputs->pad_idx = 0;
605 outputs->next = NULL;
606
607 inputs->name = av_strdup("out");
608 inputs->filter_ctx = ost->output_video_filter;
609 inputs->pad_idx = 0;
610 inputs->next = NULL;
611
612 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
613 return ret;
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614 } else {
615 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
616 return ret;
617 }
618
619 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
620 return ret;
621
622 codec->width = ost->output_video_filter->inputs[0]->w;
623 codec->height = ost->output_video_filter->inputs[0]->h;
624 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
bb337b4f 625 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
7636c8c6 626 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
6291d7e4
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627 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
628
629 return 0;
630}
631#endif /* CONFIG_AVFILTER */
632
633static void term_exit(void)
634{
635 av_log(NULL, AV_LOG_QUIET, "");
636}
637
638static volatile int received_sigterm = 0;
639static volatile int received_nb_signals = 0;
640
641static void
642sigterm_handler(int sig)
643{
644 received_sigterm = sig;
645 received_nb_signals++;
646 term_exit();
647}
648
649static void term_init(void)
650{
7636c8c6 651 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
6291d7e4
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652 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
653#ifdef SIGXCPU
654 signal(SIGXCPU, sigterm_handler);
655#endif
656}
657
2abe947a 658static int decode_interrupt_cb(void *ctx)
6291d7e4
AK
659{
660 return received_nb_signals > 1;
661}
662
2abe947a
MS
663static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
664
dad09ff9 665void exit_program(int ret)
6291d7e4
AK
666{
667 int i;
668
669 /* close files */
7636c8c6 670 for (i = 0; i < nb_output_files; i++) {
af70aa45 671 AVFormatContext *s = output_files[i].ctx;
6291d7e4
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672 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
673 avio_close(s->pb);
674 avformat_free_context(s);
af70aa45 675 av_dict_free(&output_files[i].opts);
6291d7e4 676 }
1135a071
JG
677 for (i = 0; i < nb_output_streams; i++) {
678 AVBitStreamFilterContext *bsfc = output_streams[i].bitstream_filters;
679 while (bsfc) {
680 AVBitStreamFilterContext *next = bsfc->next;
681 av_bitstream_filter_close(bsfc);
682 bsfc = next;
683 }
684 output_streams[i].bitstream_filters = NULL;
ac646076 685
ee458cb1
JR
686 if (output_streams[i].output_frame) {
687 AVFrame *frame = output_streams[i].output_frame;
688 if (frame->extended_data != frame->data)
689 av_freep(&frame->extended_data);
690 av_freep(&frame);
691 }
692
ac646076
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693#if CONFIG_AVFILTER
694 av_freep(&output_streams[i].avfilter);
695#endif
1135a071 696 }
7636c8c6 697 for (i = 0; i < nb_input_files; i++) {
cd3716b9 698 avformat_close_input(&input_files[i].ctx);
6291d7e4 699 }
9179f27c
JR
700 for (i = 0; i < nb_input_streams; i++) {
701 av_freep(&input_streams[i].decoded_frame);
702 av_freep(&input_streams[i].filtered_frame);
6291d7e4 703 av_dict_free(&input_streams[i].opts);
64dca32c 704 free_buffer_pool(&input_streams[i]);
9179f27c 705 }
6291d7e4 706
6291d7e4
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707 if (vstats_file)
708 fclose(vstats_file);
709 av_free(vstats_filename);
710
6291d7e4
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711 av_freep(&input_streams);
712 av_freep(&input_files);
4288e031 713 av_freep(&output_streams);
af70aa45 714 av_freep(&output_files);
6291d7e4 715
6291d7e4
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716 uninit_opts();
717 av_free(audio_buf);
ee458cb1 718 allocated_audio_buf_size = 0;
6291d7e4
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719
720#if CONFIG_AVFILTER
721 avfilter_uninit();
722#endif
776f2bb9 723 avformat_network_deinit();
6291d7e4
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724
725 if (received_sigterm) {
e3245b26
AK
726 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
727 (int) received_sigterm);
6291d7e4
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728 exit (255);
729 }
730
f75e3d25 731 exit(ret);
6291d7e4
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732}
733
734static void assert_avoptions(AVDictionary *m)
735{
736 AVDictionaryEntry *t;
737 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
f24facd3 738 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
6291d7e4
AK
739 exit_program(1);
740 }
741}
742
743static void assert_codec_experimental(AVCodecContext *c, int encoder)
744{
745 const char *codec_string = encoder ? "encoder" : "decoder";
746 AVCodec *codec;
747 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
748 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
f24facd3 749 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
6291d7e4
AK
750 "results.\nAdd '-strict experimental' if you want to use it.\n",
751 codec_string, c->codec->name);
752 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
753 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
f24facd3 754 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
6291d7e4
AK
755 codec_string, codec->name);
756 exit_program(1);
757 }
758}
759
6291d7e4
AK
760static void choose_sample_fmt(AVStream *st, AVCodec *codec)
761{
7636c8c6
AD
762 if (codec && codec->sample_fmts) {
763 const enum AVSampleFormat *p = codec->sample_fmts;
764 for (; *p != -1; p++) {
765 if (*p == st->codec->sample_fmt)
6291d7e4
AK
766 break;
767 }
768 if (*p == -1) {
769 av_log(NULL, AV_LOG_WARNING,
770 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
771 av_get_sample_fmt_name(st->codec->sample_fmt),
772 codec->name,
773 av_get_sample_fmt_name(codec->sample_fmts[0]));
774 st->codec->sample_fmt = codec->sample_fmts[0];
775 }
776 }
777}
778
779/**
780 * Update the requested input sample format based on the output sample format.
781 * This is currently only used to request float output from decoders which
782 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
783 * Ideally this will be removed in the future when decoders do not do format
784 * conversion and only output in their native format.
785 */
786static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
787 AVCodecContext *enc)
788{
789 /* if sample formats match or a decoder sample format has already been
790 requested, just return */
791 if (enc->sample_fmt == dec->sample_fmt ||
792 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
793 return;
794
795 /* if decoder supports more than one output format */
796 if (dec_codec && dec_codec->sample_fmts &&
797 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
798 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
799 const enum AVSampleFormat *p;
800 int min_dec = -1, min_inc = -1;
801
802 /* find a matching sample format in the encoder */
803 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
804 if (*p == enc->sample_fmt) {
805 dec->request_sample_fmt = *p;
806 return;
807 } else if (*p > enc->sample_fmt) {
808 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
809 } else
810 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
811 }
812
813 /* if none match, provide the one that matches quality closest */
814 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
815 enc->sample_fmt - min_dec;
816 }
817}
818
819static void choose_sample_rate(AVStream *st, AVCodec *codec)
820{
7636c8c6
AD
821 if (codec && codec->supported_samplerates) {
822 const int *p = codec->supported_samplerates;
823 int best = 0;
824 int best_dist = INT_MAX;
825 for (; *p; p++) {
826 int dist = abs(st->codec->sample_rate - *p);
827 if (dist < best_dist) {
828 best_dist = dist;
829 best = *p;
6291d7e4
AK
830 }
831 }
7636c8c6 832 if (best_dist) {
6291d7e4
AK
833 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
834 }
7636c8c6 835 st->codec->sample_rate = best;
6291d7e4
AK
836 }
837}
838
839static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
840{
7636c8c6
AD
841 if (codec && codec->pix_fmts) {
842 const enum PixelFormat *p = codec->pix_fmts;
843 if (st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
844 if (st->codec->codec_id == CODEC_ID_MJPEG) {
845 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
846 } else if (st->codec->codec_id == CODEC_ID_LJPEG) {
847 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
848 PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
6291d7e4
AK
849 }
850 }
105ab61c 851 for (; *p != PIX_FMT_NONE; p++) {
7636c8c6 852 if (*p == st->codec->pix_fmt)
6291d7e4
AK
853 break;
854 }
105ab61c 855 if (*p == PIX_FMT_NONE) {
7636c8c6 856 if (st->codec->pix_fmt != PIX_FMT_NONE)
6291d7e4 857 av_log(NULL, AV_LOG_WARNING,
7636c8c6
AD
858 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
859 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
860 codec->name,
861 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
6291d7e4
AK
862 st->codec->pix_fmt = codec->pix_fmts[0];
863 }
864 }
865}
866
6291d7e4
AK
867static double
868get_sync_ipts(const OutputStream *ost)
869{
870 const InputStream *ist = ost->sync_ist;
ea065176 871 OutputFile *of = &output_files[ost->file_index];
7636c8c6 872 return (double)(ist->pts - of->start_time) / AV_TIME_BASE;
6291d7e4
AK
873}
874
f15f02c2 875static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
7636c8c6 876{
f15f02c2
AK
877 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
878 AVCodecContext *avctx = ost->st->codec;
6291d7e4
AK
879 int ret;
880
99932847
AK
881 /*
882 * Audio encoders may split the packets -- #frames in != #packets out.
883 * But there is no reordering, so we can limit the number of output packets
884 * by simply dropping them here.
885 * Counting encoded video frames needs to be done separately because of
886 * reordering, see do_video_out()
887 */
888 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
889 if (ost->frame_number >= ost->max_frames)
890 return;
891 ost->frame_number++;
892 }
893
7636c8c6
AD
894 while (bsfc) {
895 AVPacket new_pkt = *pkt;
896 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
897 &new_pkt.data, &new_pkt.size,
898 pkt->data, pkt->size,
899 pkt->flags & AV_PKT_FLAG_KEY);
900 if (a > 0) {
6291d7e4 901 av_free_packet(pkt);
7636c8c6
AD
902 new_pkt.destruct = av_destruct_packet;
903 } else if (a < 0) {
e3245b26
AK
904 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
905 bsfc->filter->name, pkt->stream_index,
906 avctx->codec ? avctx->codec->name : "copy");
6291d7e4
AK
907 print_error("", a);
908 if (exit_on_error)
909 exit_program(1);
910 }
7636c8c6 911 *pkt = new_pkt;
6291d7e4 912
7636c8c6 913 bsfc = bsfc->next;
6291d7e4
AK
914 }
915
61a09968 916 pkt->stream_index = ost->index;
7636c8c6
AD
917 ret = av_interleaved_write_frame(s, pkt);
918 if (ret < 0) {
6291d7e4
AK
919 print_error("av_interleaved_write_frame()", ret);
920 exit_program(1);
921 }
922}
923
1270e12e
AK
924static int check_recording_time(OutputStream *ost)
925{
926 OutputFile *of = &output_files[ost->file_index];
927
928 if (of->recording_time != INT64_MAX &&
929 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
930 AV_TIME_BASE_Q) >= 0) {
931 ost->is_past_recording_time = 1;
932 return 0;
933 }
934 return 1;
935}
936
fdab793a
AC
937static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
938{
939 int fill_char = 0x00;
940 if (sample_fmt == AV_SAMPLE_FMT_U8)
941 fill_char = 0x80;
942 memset(buf, fill_char, size);
943}
944
ee458cb1
JR
945static int encode_audio_frame(AVFormatContext *s, OutputStream *ost,
946 const uint8_t *buf, int buf_size)
947{
948 AVCodecContext *enc = ost->st->codec;
949 AVFrame *frame = NULL;
950 AVPacket pkt;
951 int ret, got_packet;
952
953 av_init_packet(&pkt);
954 pkt.data = NULL;
955 pkt.size = 0;
956
957 if (buf) {
958 if (!ost->output_frame) {
959 ost->output_frame = avcodec_alloc_frame();
960 if (!ost->output_frame) {
961 av_log(NULL, AV_LOG_FATAL, "out-of-memory in encode_audio_frame()\n");
962 exit_program(1);
963 }
964 }
965 frame = ost->output_frame;
966 if (frame->extended_data != frame->data)
967 av_freep(&frame->extended_data);
968 avcodec_get_frame_defaults(frame);
969
970 frame->nb_samples = buf_size /
971 (enc->channels * av_get_bytes_per_sample(enc->sample_fmt));
972 if ((ret = avcodec_fill_audio_frame(frame, enc->channels, enc->sample_fmt,
973 buf, buf_size, 1)) < 0) {
974 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
975 exit_program(1);
976 }
1270e12e
AK
977
978 if (!check_recording_time(ost))
979 return 0;
980
981 ost->sync_opts += frame->nb_samples;
ee458cb1
JR
982 }
983
984 got_packet = 0;
985 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
986 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
987 exit_program(1);
988 }
989
990 if (got_packet) {
ee458cb1
JR
991 if (pkt.pts != AV_NOPTS_VALUE)
992 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
993 if (pkt.duration > 0)
994 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
995
996 write_frame(s, &pkt, ost);
997
998 audio_size += pkt.size;
999 }
1000
ee458cb1
JR
1001 return pkt.size;
1002}
1003
d1241ff3
JR
1004static void do_audio_out(AVFormatContext *s, OutputStream *ost,
1005 InputStream *ist, AVFrame *decoded_frame)
6291d7e4
AK
1006{
1007 uint8_t *buftmp;
ee458cb1 1008 int64_t audio_buf_size;
6291d7e4 1009
ee458cb1 1010 int size_out, frame_bytes, resample_changed;
7636c8c6
AD
1011 AVCodecContext *enc = ost->st->codec;
1012 AVCodecContext *dec = ist->st->codec;
6291d7e4
AK
1013 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1014 int isize = av_get_bytes_per_sample(dec->sample_fmt);
d1241ff3
JR
1015 uint8_t *buf = decoded_frame->data[0];
1016 int size = decoded_frame->nb_samples * dec->channels * isize;
1017 int64_t allocated_for_size = size;
6291d7e4
AK
1018
1019need_realloc:
7636c8c6
AD
1020 audio_buf_size = (allocated_for_size + isize * dec->channels - 1) / (isize * dec->channels);
1021 audio_buf_size = (audio_buf_size * enc->sample_rate + dec->sample_rate) / dec->sample_rate;
1022 audio_buf_size = audio_buf_size * 2 + 10000; // safety factors for the deprecated resampling API
1023 audio_buf_size = FFMAX(audio_buf_size, enc->frame_size);
1024 audio_buf_size *= osize * enc->channels;
1025
ee458cb1 1026 if (audio_buf_size > INT_MAX) {
e3245b26 1027 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
6291d7e4
AK
1028 exit_program(1);
1029 }
1030
1031 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
ee458cb1 1032 if (!audio_buf) {
e3245b26 1033 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
6291d7e4
AK
1034 exit_program(1);
1035 }
1036
1037 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
1038 ost->audio_resample = 1;
1039
1040 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
1041 ost->resample_channels != dec->channels ||
1042 ost->resample_sample_rate != dec->sample_rate;
1043
1044 if ((ost->audio_resample && !ost->resample) || resample_changed) {
1045 if (resample_changed) {
9a414d89 1046 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
AK
1047 ist->file_index, ist->st->index,
1048 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
1049 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
1050 ost->resample_sample_fmt = dec->sample_fmt;
1051 ost->resample_channels = dec->channels;
1052 ost->resample_sample_rate = dec->sample_rate;
1053 if (ost->resample)
1054 audio_resample_close(ost->resample);
1055 }
1056 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
1057 if (audio_sync_method <= 1 &&
1058 ost->resample_sample_fmt == enc->sample_fmt &&
1059 ost->resample_channels == enc->channels &&
1060 ost->resample_sample_rate == enc->sample_rate) {
1061 ost->resample = NULL;
1062 ost->audio_resample = 0;
1063 } else if (ost->audio_resample) {
1064 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
e3245b26 1065 av_log(NULL, AV_LOG_WARNING, "Using s16 intermediate sample format for resampling\n");
6291d7e4
AK
1066 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
1067 enc->sample_rate, dec->sample_rate,
1068 enc->sample_fmt, dec->sample_fmt,
1069 16, 10, 0, 0.8);
1070 if (!ost->resample) {
e3245b26
AK
1071 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
1072 dec->channels, dec->sample_rate,
1073 enc->channels, enc->sample_rate);
6291d7e4
AK
1074 exit_program(1);
1075 }
1076 }
1077 }
1078
1079#define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
7636c8c6
AD
1080 if (!ost->audio_resample && dec->sample_fmt != enc->sample_fmt &&
1081 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt) != ost->reformat_pair) {
6291d7e4
AK
1082 if (ost->reformat_ctx)
1083 av_audio_convert_free(ost->reformat_ctx);
1084 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
1085 dec->sample_fmt, 1, NULL, 0);
1086 if (!ost->reformat_ctx) {
e3245b26
AK
1087 av_log(NULL, AV_LOG_FATAL, "Cannot convert %s sample format to %s sample format\n",
1088 av_get_sample_fmt_name(dec->sample_fmt),
1089 av_get_sample_fmt_name(enc->sample_fmt));
6291d7e4
AK
1090 exit_program(1);
1091 }
7636c8c6 1092 ost->reformat_pair = MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
6291d7e4
AK
1093 }
1094
7636c8c6
AD
1095 if (audio_sync_method) {
1096 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts -
1097 av_fifo_size(ost->fifo) / (enc->channels * osize);
fdab793a
AC
1098 int idelta = delta * dec->sample_rate / enc->sample_rate;
1099 int byte_delta = idelta * isize * dec->channels;
6291d7e4 1100
7636c8c6
AD
1101 // FIXME resample delay
1102 if (fabs(delta) > 50) {
1103 if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) {
1104 if (byte_delta < 0) {
1105 byte_delta = FFMAX(byte_delta, -size);
6291d7e4
AK
1106 size += byte_delta;
1107 buf -= byte_delta;
fdab793a
AC
1108 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
1109 -byte_delta / (isize * dec->channels));
7636c8c6 1110 if (!size)
6291d7e4 1111 return;
7636c8c6
AD
1112 ist->is_start = 0;
1113 } else {
1114 static uint8_t *input_tmp = NULL;
1115 input_tmp = av_realloc(input_tmp, byte_delta + size);
6291d7e4 1116
7636c8c6
AD
1117 if (byte_delta > allocated_for_size - size) {
1118 allocated_for_size = byte_delta + (int64_t)size;
6291d7e4
AK
1119 goto need_realloc;
1120 }
7636c8c6 1121 ist->is_start = 0;
6291d7e4 1122
fdab793a 1123 generate_silence(input_tmp, dec->sample_fmt, byte_delta);
6291d7e4 1124 memcpy(input_tmp + byte_delta, buf, size);
7636c8c6 1125 buf = input_tmp;
6291d7e4 1126 size += byte_delta;
fdab793a 1127 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
6291d7e4 1128 }
7636c8c6
AD
1129 } else if (audio_sync_method > 1) {
1130 int comp = av_clip(delta, -audio_sync_method, audio_sync_method);
6291d7e4 1131 av_assert0(ost->audio_resample);
e3245b26
AK
1132 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
1133 delta, comp, enc->sample_rate);
6291d7e4
AK
1134// 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));
1135 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
1136 }
1137 }
7636c8c6
AD
1138 } else
1139 ost->sync_opts = lrintf(get_sync_ipts(ost) * enc->sample_rate) -
1140 av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong
6291d7e4
AK
1141
1142 if (ost->audio_resample) {
1143 buftmp = audio_buf;
1144 size_out = audio_resample(ost->resample,
1145 (short *)buftmp, (short *)buf,
1146 size / (dec->channels * isize));
1147 size_out = size_out * enc->channels * osize;
1148 } else {
1149 buftmp = buf;
1150 size_out = size;
1151 }
1152
7636c8c6
AD
1153 if (!ost->audio_resample && dec->sample_fmt != enc->sample_fmt) {
1154 const void *ibuf[6] = { buftmp };
1155 void *obuf[6] = { audio_buf };
1156 int istride[6] = { isize };
1157 int ostride[6] = { osize };
1158 int len = size_out / istride[0];
1159 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len) < 0) {
6291d7e4
AK
1160 printf("av_audio_convert() failed\n");
1161 if (exit_on_error)
1162 exit_program(1);
1163 return;
1164 }
1165 buftmp = audio_buf;
7636c8c6 1166 size_out = len * osize;
6291d7e4
AK
1167 }
1168
1169 /* now encode as many frames as possible */
ee458cb1 1170 if (!(enc->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
6291d7e4
AK
1171 /* output resampled raw samples */
1172 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
e3245b26 1173 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
6291d7e4
AK
1174 exit_program(1);
1175 }
1176 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
1177
1178 frame_bytes = enc->frame_size * osize * enc->channels;
1179
1180 while (av_fifo_size(ost->fifo) >= frame_bytes) {
6291d7e4 1181 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
ee458cb1 1182 encode_audio_frame(s, ost, audio_buf, frame_bytes);
6291d7e4
AK
1183 }
1184 } else {
ee458cb1 1185 encode_audio_frame(s, ost, buftmp, size_out);
6291d7e4
AK
1186 }
1187}
1188
1189static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1190{
1191 AVCodecContext *dec;
1192 AVPicture *picture2;
1193 AVPicture picture_tmp;
1194 uint8_t *buf = 0;
1195
1196 dec = ist->st->codec;
1197
1198 /* deinterlace : must be done before any resize */
1199 if (do_deinterlace) {
1200 int size;
1201
1202 /* create temporary picture */
1203 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
7636c8c6 1204 buf = av_malloc(size);
6291d7e4
AK
1205 if (!buf)
1206 return;
1207
1208 picture2 = &picture_tmp;
1209 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1210
7636c8c6 1211 if (avpicture_deinterlace(picture2, picture,
6291d7e4
AK
1212 dec->pix_fmt, dec->width, dec->height) < 0) {
1213 /* if error, do not deinterlace */
e3245b26 1214 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
6291d7e4
AK
1215 av_free(buf);
1216 buf = NULL;
1217 picture2 = picture;
1218 }
1219 } else {
1220 picture2 = picture;
1221 }
1222
1223 if (picture != picture2)
1224 *picture = *picture2;
1225 *bufp = buf;
1226}
1227
6291d7e4
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1228static void do_subtitle_out(AVFormatContext *s,
1229 OutputStream *ost,
1230 InputStream *ist,
1231 AVSubtitle *sub,
1232 int64_t pts)
1233{
1234 static uint8_t *subtitle_out = NULL;
1235 int subtitle_out_max_size = 1024 * 1024;
1236 int subtitle_out_size, nb, i;
1237 AVCodecContext *enc;
1238 AVPacket pkt;
1239
1240 if (pts == AV_NOPTS_VALUE) {
e3245b26 1241 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
6291d7e4
AK
1242 if (exit_on_error)
1243 exit_program(1);
1244 return;
1245 }
1246
1247 enc = ost->st->codec;
1248
1249 if (!subtitle_out) {
1250 subtitle_out = av_malloc(subtitle_out_max_size);
1251 }
1252
1253 /* Note: DVB subtitle need one packet to draw them and one other
1254 packet to clear them */
1255 /* XXX: signal it in the codec context ? */
1256 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1257 nb = 2;
1258 else
1259 nb = 1;
1260
7636c8c6 1261 for (i = 0; i < nb; i++) {
1270e12e
AK
1262 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
1263 if (!check_recording_time(ost))
1264 return;
1265
6291d7e4
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1266 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1267 // start_display_time is required to be 0
7636c8c6
AD
1268 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1269 sub->end_display_time -= sub->start_display_time;
6291d7e4
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1270 sub->start_display_time = 0;
1271 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1272 subtitle_out_max_size, sub);
1273 if (subtitle_out_size < 0) {
e3245b26 1274 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
6291d7e4
AK
1275 exit_program(1);
1276 }
1277
1278 av_init_packet(&pkt);
6291d7e4
AK
1279 pkt.data = subtitle_out;
1280 pkt.size = subtitle_out_size;
7636c8c6 1281 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
6291d7e4
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1282 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1283 /* XXX: the pts correction is handled here. Maybe handling
1284 it in the codec would be better */
1285 if (i == 0)
1286 pkt.pts += 90 * sub->start_display_time;
1287 else
1288 pkt.pts += 90 * sub->end_display_time;
1289 }
f15f02c2 1290 write_frame(s, &pkt, ost);
6291d7e4
AK
1291 }
1292}
1293
7636c8c6
AD
1294static int bit_buffer_size = 1024 * 256;
1295static uint8_t *bit_buffer = NULL;
6291d7e4 1296
ac646076 1297#if !CONFIG_AVFILTER
87ef060c
AC
1298static void do_video_resample(OutputStream *ost,
1299 InputStream *ist,
1300 AVFrame *in_picture,
1301 AVFrame **out_picture)
6291d7e4 1302{
87ef060c 1303 int resample_changed = 0;
87ef060c 1304 *out_picture = in_picture;
6291d7e4 1305
b2ce3b99
AK
1306 resample_changed = ost->resample_width != in_picture->width ||
1307 ost->resample_height != in_picture->height ||
1308 ost->resample_pix_fmt != in_picture->format;
6291d7e4
AK
1309
1310 if (resample_changed) {
1311 av_log(NULL, AV_LOG_INFO,
9a414d89 1312 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
6291d7e4
AK
1313 ist->file_index, ist->st->index,
1314 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
b2ce3b99 1315 in_picture->width, in_picture->height, av_get_pix_fmt_name(in_picture->format));
7636c8c6 1316 if (!ost->video_resample)
5c59fa56 1317 ost->video_resample = 1;
6291d7e4
AK
1318 }
1319
6291d7e4 1320 if (ost->video_resample) {
87ef060c 1321 *out_picture = &ost->pict_tmp;
6291d7e4
AK
1322 if (resample_changed) {
1323 /* initialize a new scaler context */
1324 sws_freeContext(ost->img_resample_ctx);
1325 ost->img_resample_ctx = sws_getContext(
1326 ist->st->codec->width,
1327 ist->st->codec->height,
1328 ist->st->codec->pix_fmt,
1329 ost->st->codec->width,
1330 ost->st->codec->height,
1331 ost->st->codec->pix_fmt,
1332 ost->sws_flags, NULL, NULL, NULL);
1333 if (ost->img_resample_ctx == NULL) {
e3245b26 1334 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
6291d7e4
AK
1335 exit_program(1);
1336 }
1337 }
87ef060c
AC
1338 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1339 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
6291d7e4 1340 }
428c59d9 1341 if (resample_changed) {
b2ce3b99
AK
1342 ost->resample_width = in_picture->width;
1343 ost->resample_height = in_picture->height;
1344 ost->resample_pix_fmt = in_picture->format;
428c59d9 1345 }
87ef060c 1346}
ac646076 1347#endif
87ef060c
AC
1348
1349
1350static void do_video_out(AVFormatContext *s,
1351 OutputStream *ost,
1352 InputStream *ist,
1353 AVFrame *in_picture,
1354 int *frame_size, float quality)
1355{
553735f5 1356 int nb_frames, i, ret, format_video_sync;
87ef060c 1357 AVFrame *final_picture;
f593628e 1358 AVCodecContext *enc;
87ef060c
AC
1359 double sync_ipts;
1360
1361 enc = ost->st->codec;
87ef060c
AC
1362
1363 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1364
1365 /* by default, we output a single frame */
1366 nb_frames = 1;
1367
1368 *frame_size = 0;
1369
553735f5 1370 format_video_sync = video_sync_method;
e8c04f62
AK
1371 if (format_video_sync == VSYNC_AUTO)
1372 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
1373 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
553735f5 1374
e8c04f62 1375 if (format_video_sync != VSYNC_PASSTHROUGH) {
87ef060c 1376 double vdelta = sync_ipts - ost->sync_opts;
7636c8c6 1377 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
87ef060c
AC
1378 if (vdelta < -1.1)
1379 nb_frames = 0;
e8c04f62 1380 else if (format_video_sync == VSYNC_VFR) {
7636c8c6
AD
1381 if (vdelta <= -0.6) {
1382 nb_frames = 0;
1383 } else if (vdelta > 0.6)
1384 ost->sync_opts = lrintf(sync_ipts);
1385 } else if (vdelta > 1.1)
87ef060c 1386 nb_frames = lrintf(vdelta);
7636c8c6 1387 if (nb_frames == 0) {
87ef060c 1388 ++nb_frames_drop;
e3245b26 1389 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
7636c8c6 1390 } else if (nb_frames > 1) {
87ef060c 1391 nb_frames_dup += nb_frames - 1;
7636c8c6 1392 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
87ef060c 1393 }
7636c8c6
AD
1394 } else
1395 ost->sync_opts = lrintf(sync_ipts);
87ef060c 1396
96139b5e 1397 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
87ef060c
AC
1398 if (nb_frames <= 0)
1399 return;
1400
ac646076 1401#if !CONFIG_AVFILTER
87ef060c 1402 do_video_resample(ost, ist, in_picture, &final_picture);
ac646076
AK
1403#else
1404 final_picture = in_picture;
1405#endif
6291d7e4 1406
1270e12e
AK
1407 if (!ost->frame_number)
1408 ost->first_pts = ost->sync_opts;
1409
6291d7e4 1410 /* duplicates frame if needed */
7636c8c6 1411 for (i = 0; i < nb_frames; i++) {
6291d7e4
AK
1412 AVPacket pkt;
1413 av_init_packet(&pkt);
6291d7e4 1414
1270e12e
AK
1415 if (!check_recording_time(ost))
1416 return;
1417
150ddbc1
MR
1418 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1419 enc->codec->id == CODEC_ID_RAWVIDEO) {
6291d7e4 1420 /* raw pictures are written as AVPicture structure to
bb337b4f 1421 avoid any copies. We support temporarily the older
6291d7e4 1422 method. */
f593628e
AC
1423 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1424 enc->coded_frame->top_field_first = in_picture->top_field_first;
7636c8c6
AD
1425 pkt.data = (uint8_t *)final_picture;
1426 pkt.size = sizeof(AVPicture);
1427 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
6291d7e4
AK
1428 pkt.flags |= AV_PKT_FLAG_KEY;
1429
f15f02c2 1430 write_frame(s, &pkt, ost);
6291d7e4
AK
1431 } else {
1432 AVFrame big_picture;
1433
7636c8c6 1434 big_picture = *final_picture;
6291d7e4
AK
1435 /* better than nothing: use input picture interlaced
1436 settings */
1437 big_picture.interlaced_frame = in_picture->interlaced_frame;
1438 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
828e0bcb 1439 if (ost->top_field_first == -1)
6291d7e4
AK
1440 big_picture.top_field_first = in_picture->top_field_first;
1441 else
828e0bcb 1442 big_picture.top_field_first = !!ost->top_field_first;
6291d7e4
AK
1443 }
1444
f4ad238c 1445 /* handles same_quant here. This is not correct because it may
6291d7e4
AK
1446 not be a global option */
1447 big_picture.quality = quality;
d242d80e 1448 if (!enc->me_threshold)
6291d7e4 1449 big_picture.pict_type = 0;
7636c8c6 1450 big_picture.pts = ost->sync_opts;
6291d7e4
AK
1451 if (ost->forced_kf_index < ost->forced_kf_count &&
1452 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1453 big_picture.pict_type = AV_PICTURE_TYPE_I;
1454 ost->forced_kf_index++;
1455 }
1456 ret = avcodec_encode_video(enc,
1457 bit_buffer, bit_buffer_size,
1458 &big_picture);
1459 if (ret < 0) {
e3245b26 1460 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
6291d7e4
AK
1461 exit_program(1);
1462 }
1463
7636c8c6
AD
1464 if (ret > 0) {
1465 pkt.data = bit_buffer;
1466 pkt.size = ret;
1467 if (enc->coded_frame->pts != AV_NOPTS_VALUE)
1468 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
6291d7e4 1469
7636c8c6 1470 if (enc->coded_frame->key_frame)
6291d7e4 1471 pkt.flags |= AV_PKT_FLAG_KEY;
f15f02c2 1472 write_frame(s, &pkt, ost);
6291d7e4
AK
1473 *frame_size = ret;
1474 video_size += ret;
324fbadf 1475
6291d7e4
AK
1476 /* if two pass, output log */
1477 if (ost->logfile && enc->stats_out) {
1478 fprintf(ost->logfile, "%s", enc->stats_out);
1479 }
1480 }
1481 }
1482 ost->sync_opts++;
99932847
AK
1483 /*
1484 * For video, number of frames in == number of packets out.
1485 * But there may be reordering, so we can't throw away frames on encoder
1486 * flush, we need to limit them here, before they go into encoder.
1487 */
1488 ost->frame_number++;
6291d7e4
AK
1489 }
1490}
1491
7636c8c6
AD
1492static double psnr(double d)
1493{
1494 return -10.0 * log(d) / log(10.0);
6291d7e4
AK
1495}
1496
1497static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1498 int frame_size)
1499{
1500 AVCodecContext *enc;
1501 int frame_number;
1502 double ti1, bitrate, avg_bitrate;
1503
1504 /* this is executed just the first time do_video_stats is called */
1505 if (!vstats_file) {
1506 vstats_file = fopen(vstats_filename, "w");
1507 if (!vstats_file) {
1508 perror("fopen");
1509 exit_program(1);
1510 }
1511 }
1512
1513 enc = ost->st->codec;
1514 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1515 frame_number = ost->frame_number;
7636c8c6 1516 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
6291d7e4 1517 if (enc->flags&CODEC_FLAG_PSNR)
7636c8c6 1518 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
6291d7e4
AK
1519
1520 fprintf(vstats_file,"f_size= %6d ", frame_size);
1521 /* compute pts value */
1522 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1523 if (ti1 < 0.01)
1524 ti1 = 0.01;
1525
7636c8c6 1526 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
6291d7e4
AK
1527 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1528 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
7636c8c6 1529 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
6291d7e4
AK
1530 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1531 }
1532}
1533
af70aa45 1534static void print_report(OutputFile *output_files,
4288e031 1535 OutputStream *ost_table, int nb_ostreams,
c5ad2c2c 1536 int is_last_report, int64_t timer_start)
6291d7e4
AK
1537{
1538 char buf[1024];
1539 OutputStream *ost;
1540 AVFormatContext *oc;
1541 int64_t total_size;
1542 AVCodecContext *enc;
1543 int frame_number, vid, i;
1544 double bitrate, ti1, pts;
1545 static int64_t last_time = -1;
1546 static int qp_histogram[52];
1547
3460dd8a
AK
1548 if (!print_stats && !is_last_report)
1549 return;
1550
6291d7e4
AK
1551 if (!is_last_report) {
1552 int64_t cur_time;
1553 /* display the report every 0.5 seconds */
1554 cur_time = av_gettime();
1555 if (last_time == -1) {
1556 last_time = cur_time;
1557 return;
1558 }
1559 if ((cur_time - last_time) < 500000)
1560 return;
1561 last_time = cur_time;
1562 }
1563
1564
af70aa45 1565 oc = output_files[0].ctx;
6291d7e4
AK
1566
1567 total_size = avio_size(oc->pb);
7636c8c6
AD
1568 if (total_size < 0) // FIXME improve avio_size() so it works with non seekable output too
1569 total_size = avio_tell(oc->pb);
6291d7e4
AK
1570
1571 buf[0] = '\0';
1572 ti1 = 1e10;
1573 vid = 0;
7636c8c6 1574 for (i = 0; i < nb_ostreams; i++) {
6291d7e4 1575 float q = -1;
4288e031 1576 ost = &ost_table[i];
6291d7e4 1577 enc = ost->st->codec;
3d813e4c 1578 if (!ost->stream_copy && enc->coded_frame)
7636c8c6 1579 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
6291d7e4
AK
1580 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1581 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1582 }
1583 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
7636c8c6 1584 float t = (av_gettime() - timer_start) / 1000000.0;
6291d7e4
AK
1585
1586 frame_number = ost->frame_number;
1587 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
7636c8c6
AD
1588 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
1589 if (is_last_report)
6291d7e4 1590 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
7636c8c6 1591 if (qp_hist) {
6291d7e4
AK
1592 int j;
1593 int qp = lrintf(q);
7636c8c6 1594 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
6291d7e4 1595 qp_histogram[qp]++;
7636c8c6
AD
1596 for (j = 0; j < 32; j++)
1597 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
6291d7e4 1598 }
7636c8c6 1599 if (enc->flags&CODEC_FLAG_PSNR) {
6291d7e4 1600 int j;
7636c8c6
AD
1601 double error, error_sum = 0;
1602 double scale, scale_sum = 0;
1603 char type[3] = { 'Y','U','V' };
6291d7e4 1604 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
7636c8c6
AD
1605 for (j = 0; j < 3; j++) {
1606 if (is_last_report) {
1607 error = enc->error[j];
1608 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1609 } else {
1610 error = enc->coded_frame->error[j];
1611 scale = enc->width * enc->height * 255.0 * 255.0;
6291d7e4 1612 }
7636c8c6
AD
1613 if (j)
1614 scale /= 4;
6291d7e4
AK
1615 error_sum += error;
1616 scale_sum += scale;
7636c8c6 1617 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
6291d7e4 1618 }
7636c8c6 1619 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
6291d7e4
AK
1620 }
1621 vid = 1;
1622 }
1623 /* compute min output value */
1624 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1625 if ((pts < ti1) && (pts > 0))
1626 ti1 = pts;
1627 }
1628 if (ti1 < 0.01)
1629 ti1 = 0.01;
1630
e3245b26 1631 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
6291d7e4 1632
e3245b26 1633 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
6291d7e4
AK
1634 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1635 (double)total_size / 1024, ti1, bitrate);
1636
e3245b26
AK
1637 if (nb_frames_dup || nb_frames_drop)
1638 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1639 nb_frames_dup, nb_frames_drop);
6291d7e4 1640
f5646a32 1641 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
6291d7e4 1642
e3245b26 1643 fflush(stderr);
6291d7e4 1644
e3245b26 1645 if (is_last_report) {
6291d7e4 1646 int64_t raw= audio_size + video_size + extra_size;
e3245b26
AK
1647 av_log(NULL, AV_LOG_INFO, "\n");
1648 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
7636c8c6
AD
1649 video_size / 1024.0,
1650 audio_size / 1024.0,
1651 extra_size / 1024.0,
1652 100.0 * (total_size - raw) / raw
6291d7e4
AK
1653 );
1654 }
1655}
1656
b62b5cb6 1657static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
4a4ce2e7
AK
1658{
1659 int i, ret;
1660
1661 for (i = 0; i < nb_ostreams; i++) {
6f1c66d5
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1662 OutputStream *ost = &ost_table[i];
1663 AVCodecContext *enc = ost->st->codec;
1664 AVFormatContext *os = output_files[ost->file_index].ctx;
ee458cb1 1665 int stop_encoding = 0;
6f1c66d5 1666
b62b5cb6 1667 if (!ost->encoding_needed)
6f1c66d5
AK
1668 continue;
1669
7636c8c6 1670 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
6f1c66d5 1671 continue;
150ddbc1 1672 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
6f1c66d5
AK
1673 continue;
1674
7636c8c6 1675 for (;;) {
6f1c66d5
AK
1676 AVPacket pkt;
1677 int fifo_bytes;
1678 av_init_packet(&pkt);
ee458cb1
JR
1679 pkt.data = NULL;
1680 pkt.size = 0;
6f1c66d5
AK
1681
1682 switch (ost->st->codec->codec_type) {
1683 case AVMEDIA_TYPE_AUDIO:
1684 fifo_bytes = av_fifo_size(ost->fifo);
6f1c66d5 1685 if (fifo_bytes > 0) {
ee458cb1
JR
1686 /* encode any samples remaining in fifo */
1687 int frame_bytes = fifo_bytes;
6f1c66d5
AK
1688
1689 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
ee458cb1
JR
1690
1691 /* pad last frame with silence if needed */
1692 if (!(enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME)) {
1693 frame_bytes = enc->frame_size * enc->channels *
1694 av_get_bytes_per_sample(enc->sample_fmt);
6f1c66d5 1695 if (allocated_audio_buf_size < frame_bytes)
4a4ce2e7 1696 exit_program(1);
6f1c66d5 1697 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
4a4ce2e7 1698 }
ee458cb1
JR
1699 encode_audio_frame(os, ost, audio_buf, frame_bytes);
1700 } else {
1701 /* flush encoder with NULL frames until it is done
1702 returning packets */
1703 if (encode_audio_frame(os, ost, NULL, 0) == 0) {
1704 stop_encoding = 1;
1705 break;
1706 }
6f1c66d5 1707 }
6f1c66d5
AK
1708 break;
1709 case AVMEDIA_TYPE_VIDEO:
1710 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1711 if (ret < 0) {
e3245b26 1712 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
6f1c66d5
AK
1713 exit_program(1);
1714 }
1715 video_size += ret;
7636c8c6 1716 if (enc->coded_frame && enc->coded_frame->key_frame)
6f1c66d5
AK
1717 pkt.flags |= AV_PKT_FLAG_KEY;
1718 if (ost->logfile && enc->stats_out) {
1719 fprintf(ost->logfile, "%s", enc->stats_out);
1720 }
ee458cb1
JR
1721 if (ret <= 0) {
1722 stop_encoding = 1;
1723 break;
1724 }
ee458cb1
JR
1725 pkt.data = bit_buffer;
1726 pkt.size = ret;
1727 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1728 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1729 write_frame(os, &pkt, ost);
6f1c66d5
AK
1730 break;
1731 default:
ee458cb1 1732 stop_encoding = 1;
4a4ce2e7 1733 }
ee458cb1 1734 if (stop_encoding)
6f1c66d5 1735 break;
4a4ce2e7
AK
1736 }
1737 }
1738}
1739
7204ec1a
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1740/*
1741 * Check whether a packet from ist should be written into ost at this time
1742 */
1743static int check_output_constraints(InputStream *ist, OutputStream *ost)
1744{
1745 OutputFile *of = &output_files[ost->file_index];
1746 int ist_index = ist - input_streams;
1747
1748 if (ost->source_index != ist_index)
1749 return 0;
1750
1751 if (of->start_time && ist->pts < of->start_time)
1752 return 0;
1753
7204ec1a
AK
1754 return 1;
1755}
1756
1757static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1758{
1759 OutputFile *of = &output_files[ost->file_index];
1760 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1761 AVPacket opkt;
1762
1763 av_init_packet(&opkt);
1764
1765 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1766 !ost->copy_initial_nonkeyframes)
1767 return;
1768
1270e12e
AK
1769 if (of->recording_time != INT64_MAX &&
1770 ist->pts >= of->recording_time + of->start_time) {
1771 ost->is_past_recording_time = 1;
1772 return;
1773 }
1774
7204ec1a
AK
1775 /* force the input stream PTS */
1776 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1777 audio_size += pkt->size;
1778 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1779 video_size += pkt->size;
1780 ost->sync_opts++;
1781 }
1782
7204ec1a
AK
1783 if (pkt->pts != AV_NOPTS_VALUE)
1784 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1785 else
1786 opkt.pts = AV_NOPTS_VALUE;
1787
1788 if (pkt->dts == AV_NOPTS_VALUE)
1789 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1790 else
1791 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1792 opkt.dts -= ost_tb_start_time;
1793
1794 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1795 opkt.flags = pkt->flags;
1796
7636c8c6
AD
1797 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1798 if ( ost->st->codec->codec_id != CODEC_ID_H264
7204ec1a
AK
1799 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1800 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1801 ) {
1802 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1803 opkt.destruct = av_destruct_packet;
1804 } else {
1805 opkt.data = pkt->data;
1806 opkt.size = pkt->size;
1807 }
1808
f15f02c2 1809 write_frame(of->ctx, &opkt, ost);
7204ec1a 1810 ost->st->codec->frame_number++;
7204ec1a
AK
1811 av_free_packet(&opkt);
1812}
1813
2a651b71
AK
1814static void rate_emu_sleep(InputStream *ist)
1815{
1816 if (input_files[ist->file_index].rate_emu) {
1817 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1818 int64_t now = av_gettime() - ist->start;
1819 if (pts > now)
1820 usleep(pts - now);
1821 }
1822}
1823
ded28ba3
AK
1824static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1825{
d1241ff3
JR
1826 AVFrame *decoded_frame;
1827 AVCodecContext *avctx = ist->st->codec;
ded28ba3 1828 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
ded28ba3
AK
1829 int i, ret;
1830
9179f27c 1831 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
d1241ff3 1832 return AVERROR(ENOMEM);
9179f27c
JR
1833 else
1834 avcodec_get_frame_defaults(ist->decoded_frame);
1835 decoded_frame = ist->decoded_frame;
ded28ba3 1836
d1241ff3
JR
1837 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1838 if (ret < 0) {
ded28ba3 1839 return ret;
d1241ff3 1840 }
ded28ba3 1841
ded28ba3
AK
1842 if (!*got_output) {
1843 /* no audio frame */
af8ad892 1844 return ret;
ded28ba3
AK
1845 }
1846
d1241ff3
JR
1847 /* if the decoder provides a pts, use it instead of the last packet pts.
1848 the decoder could be delaying output by a packet or more. */
1849 if (decoded_frame->pts != AV_NOPTS_VALUE)
1850 ist->next_pts = decoded_frame->pts;
1851
1852 /* increment next_pts to use for the case where the input stream does not
1853 have timestamps or there are multiple frames in the packet */
1854 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1855 avctx->sample_rate;
ded28ba3
AK
1856
1857 // preprocess audio (volume)
1858 if (audio_volume != 256) {
d1241ff3
JR
1859 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
1860 void *samples = decoded_frame->data[0];
1861 switch (avctx->sample_fmt) {
ded28ba3
AK
1862 case AV_SAMPLE_FMT_U8:
1863 {
1864 uint8_t *volp = samples;
1865 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1866 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1867 *volp++ = av_clip_uint8(v);
1868 }
1869 break;
1870 }
1871 case AV_SAMPLE_FMT_S16:
1872 {
1873 int16_t *volp = samples;
1874 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1875 int v = ((*volp) * audio_volume + 128) >> 8;
1876 *volp++ = av_clip_int16(v);
1877 }
1878 break;
1879 }
1880 case AV_SAMPLE_FMT_S32:
1881 {
1882 int32_t *volp = samples;
1883 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1884 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1885 *volp++ = av_clipl_int32(v);
1886 }
1887 break;
1888 }
1889 case AV_SAMPLE_FMT_FLT:
1890 {
1891 float *volp = samples;
1892 float scale = audio_volume / 256.f;
1893 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1894 *volp++ *= scale;
1895 }
1896 break;
1897 }
1898 case AV_SAMPLE_FMT_DBL:
1899 {
1900 double *volp = samples;
1901 double scale = audio_volume / 256.;
1902 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1903 *volp++ *= scale;
1904 }
1905 break;
1906 }
1907 default:
1908 av_log(NULL, AV_LOG_FATAL,
1909 "Audio volume adjustment on sample format %s is not supported.\n",
1910 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1911 exit_program(1);
1912 }
1913 }
1914
1915 rate_emu_sleep(ist);
1916
1917 for (i = 0; i < nb_output_streams; i++) {
1918 OutputStream *ost = &output_streams[i];
1919
1920 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1921 continue;
d1241ff3 1922 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
ded28ba3 1923 }
110d2af2 1924
af8ad892 1925 return ret;
ded28ba3
AK
1926}
1927
45d4b66f
AK
1928static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
1929{
1930 AVFrame *decoded_frame, *filtered_frame = NULL;
1931 void *buffer_to_free = NULL;
1932 int i, ret = 0;
1933 float quality;
1934#if CONFIG_AVFILTER
1935 int frame_available = 1;
1936#endif
1937
9179f27c 1938 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
45d4b66f 1939 return AVERROR(ENOMEM);
9179f27c
JR
1940 else
1941 avcodec_get_frame_defaults(ist->decoded_frame);
1942 decoded_frame = ist->decoded_frame;
45d4b66f
AK
1943 pkt->pts = *pkt_pts;
1944 pkt->dts = ist->pts;
1945 *pkt_pts = AV_NOPTS_VALUE;
1946
1947 ret = avcodec_decode_video2(ist->st->codec,
1948 decoded_frame, got_output, pkt);
1949 if (ret < 0)
9179f27c 1950 return ret;
45d4b66f
AK
1951
1952 quality = same_quant ? decoded_frame->quality : 0;
1953 if (!*got_output) {
1954 /* no picture yet */
af8ad892 1955 return ret;
45d4b66f
AK
1956 }
1957 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1958 decoded_frame->pkt_dts);
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1959 if (pkt->duration)
1960 ist->next_pts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
1961 else if (ist->st->codec->time_base.num != 0) {
45d4b66f
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1962 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
1963 ist->st->codec->ticks_per_frame;
1964 ist->next_pts += ((int64_t)AV_TIME_BASE *
1965 ist->st->codec->time_base.num * ticks) /
1966 ist->st->codec->time_base.den;
1967 }
1968 pkt->size = 0;
1969 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1970
1971 rate_emu_sleep(ist);
1972
1973 for (i = 0; i < nb_output_streams; i++) {
1974 OutputStream *ost = &output_streams[i];
ac646076 1975 int frame_size, resample_changed;
45d4b66f
AK
1976
1977 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1978 continue;
1979
1980#if CONFIG_AVFILTER
ac646076
AK
1981 resample_changed = ost->resample_width != decoded_frame->width ||
1982 ost->resample_height != decoded_frame->height ||
1983 ost->resample_pix_fmt != decoded_frame->format;
1984 if (resample_changed) {
1985 av_log(NULL, AV_LOG_INFO,
1986 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1987 ist->file_index, ist->st->index,
1988 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1989 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1990
1991 avfilter_graph_free(&ost->graph);
1992 if (configure_video_filters(ist, ost)) {
1993 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1994 exit_program(1);
1995 }
1996
1997 ost->resample_width = decoded_frame->width;
1998 ost->resample_height = decoded_frame->height;
1999 ost->resample_pix_fmt = decoded_frame->format;
2000 }
2001
04a14d4d
AK
2002 if (ist->st->sample_aspect_ratio.num)
2003 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
2004 if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) {
2005 FrameBuffer *buf = decoded_frame->opaque;
2006 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
2007 decoded_frame->data, decoded_frame->linesize,
2008 AV_PERM_READ | AV_PERM_PRESERVE,
2009 ist->st->codec->width, ist->st->codec->height,
2010 ist->st->codec->pix_fmt);
2011
2012 avfilter_copy_frame_props(fb, decoded_frame);
2013 fb->pts = ist->pts;
2014 fb->buf->priv = buf;
2015 fb->buf->free = filter_release_buffer;
2016
2017 buf->refcount++;
2018 av_buffersrc_buffer(ost->input_video_filter, fb);
2019 } else
2020 av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame,
2021 ist->pts, decoded_frame->sample_aspect_ratio);
2022
2023 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
2024 av_free(buffer_to_free);
2025 return AVERROR(ENOMEM);
2026 } else
2027 avcodec_get_frame_defaults(ist->filtered_frame);
2028 filtered_frame = ist->filtered_frame;
2029
2030 frame_available = avfilter_poll_frame(ost->output_video_filter->inputs[0]);
45d4b66f
AK
2031 while (frame_available) {
2032 AVRational ist_pts_tb;
2033 if (ost->output_video_filter)
2034 get_filtered_video_frame(ost->output_video_filter, filtered_frame, &ost->picref, &ist_pts_tb);
2035 if (ost->picref)
2036 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
2037 if (ost->picref->video && !ost->frame_aspect_ratio)
2038 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
2039#else
2040 filtered_frame = decoded_frame;
2041#endif
2042
2043 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame, &frame_size,
2044 same_quant ? quality : ost->st->codec->global_quality);
2045 if (vstats_filename && frame_size)
2046 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
2047#if CONFIG_AVFILTER
2048 frame_available = ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
2049 if (ost->picref)
2050 avfilter_unref_buffer(ost->picref);
2051 }
45d4b66f
AK
2052#endif
2053 }
2054
45d4b66f 2055 av_free(buffer_to_free);
45d4b66f
AK
2056 return ret;
2057}
2058
9595234c
AK
2059static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2060{
2061 AVSubtitle subtitle;
2062 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2063 &subtitle, got_output, pkt);
2064 if (ret < 0)
2065 return ret;
2066 if (!*got_output)
af8ad892 2067 return ret;
9595234c
AK
2068
2069 rate_emu_sleep(ist);
2070
2071 for (i = 0; i < nb_output_streams; i++) {
2072 OutputStream *ost = &output_streams[i];
2073
2074 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2075 continue;
2076
2077 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
2078 }
2079
2080 avsubtitle_free(&subtitle);
af8ad892 2081 return ret;
9595234c
AK
2082}
2083
6291d7e4 2084/* pkt = NULL means EOF (needed to flush decoder buffers) */
06d4e2fa 2085static int output_packet(InputStream *ist,
4288e031 2086 OutputStream *ost_table, int nb_ostreams,
6291d7e4
AK
2087 const AVPacket *pkt)
2088{
ffa0674e 2089 int i;
6291d7e4 2090 int got_output;
6291d7e4 2091 int64_t pkt_pts = AV_NOPTS_VALUE;
6291d7e4 2092 AVPacket avpkt;
6291d7e4 2093
8b0268a8
AK
2094 if (ist->next_pts == AV_NOPTS_VALUE)
2095 ist->next_pts = ist->pts;
6291d7e4
AK
2096
2097 if (pkt == NULL) {
2098 /* EOF handling */
2099 av_init_packet(&avpkt);
2100 avpkt.data = NULL;
2101 avpkt.size = 0;
2102 goto handle_eof;
2103 } else {
2104 avpkt = *pkt;
2105 }
2106
7636c8c6 2107 if (pkt->dts != AV_NOPTS_VALUE)
6291d7e4 2108 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
7636c8c6 2109 if (pkt->pts != AV_NOPTS_VALUE)
6291d7e4
AK
2110 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2111
7636c8c6 2112 // while we have more to decode or while the decoder did output something on EOF
2a651b71 2113 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
ffa0674e 2114 int ret = 0;
6291d7e4 2115 handle_eof:
6291d7e4 2116
8b0268a8
AK
2117 ist->pts = ist->next_pts;
2118
2119 if (avpkt.size && avpkt.size != pkt->size) {
e3245b26
AK
2120 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2121 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
8b0268a8
AK
2122 ist->showed_multi_packet_warning = 1;
2123 }
6291d7e4 2124
7636c8c6 2125 switch (ist->st->codec->codec_type) {
82963f8f
AK
2126 case AVMEDIA_TYPE_AUDIO:
2127 ret = transcode_audio (ist, &avpkt, &got_output);
2128 break;
2129 case AVMEDIA_TYPE_VIDEO:
2130 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
2131 break;
2132 case AVMEDIA_TYPE_SUBTITLE:
2133 ret = transcode_subtitles(ist, &avpkt, &got_output);
2134 break;
78162b4e
AK
2135 default:
2136 return -1;
2137 }
6291d7e4 2138
d3c1d37a
AK
2139 if (ret < 0)
2140 return ret;
aa38cff2
JG
2141 // touch data and size only if not EOF
2142 if (pkt) {
2143 avpkt.data += ret;
2144 avpkt.size -= ret;
2145 }
82963f8f 2146 if (!got_output) {
af8ad892 2147 continue;
82963f8f 2148 }
6291d7e4 2149 }
6291d7e4 2150
7204ec1a 2151 /* handle stream copy */
2a651b71
AK
2152 if (!ist->decoding_needed) {
2153 rate_emu_sleep(ist);
91b412e7 2154 ist->pts = ist->next_pts;
2a651b71
AK
2155 switch (ist->st->codec->codec_type) {
2156 case AVMEDIA_TYPE_AUDIO:
2157 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2158 ist->st->codec->sample_rate;
2159 break;
2160 case AVMEDIA_TYPE_VIDEO:
2161 if (ist->st->codec->time_base.num != 0) {
7636c8c6 2162 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2a651b71
AK
2163 ist->next_pts += ((int64_t)AV_TIME_BASE *
2164 ist->st->codec->time_base.num * ticks) /
2165 ist->st->codec->time_base.den;
2166 }
2167 break;
2168 }
2169 }
7204ec1a 2170 for (i = 0; pkt && i < nb_ostreams; i++) {
ffa0674e 2171 OutputStream *ost = &ost_table[i];
7204ec1a
AK
2172
2173 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2174 continue;
2175
2176 do_streamcopy(ist, ost, pkt);
2177 }
2178
6291d7e4
AK
2179 return 0;
2180}
2181
af70aa45 2182static void print_sdp(OutputFile *output_files, int n)
6291d7e4
AK
2183{
2184 char sdp[2048];
af70aa45 2185 int i;
7636c8c6 2186 AVFormatContext **avc = av_malloc(sizeof(*avc) * n);
af70aa45
AK
2187
2188 if (!avc)
2189 exit_program(1);
2190 for (i = 0; i < n; i++)
2191 avc[i] = output_files[i].ctx;
6291d7e4
AK
2192
2193 av_sdp_create(avc, n, sdp, sizeof(sdp));
2194 printf("SDP:\n%s\n", sdp);
2195 fflush(stdout);
af70aa45 2196 av_freep(&avc);
6291d7e4
AK
2197}
2198
630902a1
AK
2199static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2200 char *error, int error_len)
2201{
2202 int i;
2203 InputStream *ist = &input_streams[ist_index];
2204 if (ist->decoding_needed) {
2205 AVCodec *codec = ist->dec;
630902a1 2206 if (!codec) {
9a414d89 2207 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
630902a1
AK
2208 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2209 return AVERROR(EINVAL);
2210 }
2211
2212 /* update requested sample format for the decoder based on the
2213 corresponding encoder sample format */
2214 for (i = 0; i < nb_output_streams; i++) {
2215 OutputStream *ost = &output_streams[i];
2216 if (ost->source_index == ist_index) {
2217 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2218 break;
2219 }
2220 }
2221
64dca32c
AK
2222 if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
2223 ist->st->codec->get_buffer = codec_get_buffer;
2224 ist->st->codec->release_buffer = codec_release_buffer;
2225 ist->st->codec->opaque = ist;
2226 }
2227
2473a45c
JG
2228 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2229 av_dict_set(&ist->opts, "threads", "auto", 0);
630902a1 2230 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
9a414d89 2231 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
630902a1
AK
2232 ist->file_index, ist->st->index);
2233 return AVERROR(EINVAL);
2234 }
2235 assert_codec_experimental(ist->st->codec, 0);
2236 assert_avoptions(ist->opts);
2237 }
2238
7636c8c6 2239 ist->pts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
630902a1
AK
2240 ist->next_pts = AV_NOPTS_VALUE;
2241 init_pts_correction(&ist->pts_ctx);
2242 ist->is_start = 1;
2243
2244 return 0;
2245}
2246
eaf2d37a
AC
2247static int transcode_init(OutputFile *output_files,
2248 int nb_output_files,
2249 InputFile *input_files,
2250 int nb_input_files)
6291d7e4 2251{
2c474ddb 2252 int ret = 0, i, j, k;
1bb77e51 2253 AVFormatContext *oc;
6291d7e4 2254 AVCodecContext *codec, *icodec;
4288e031 2255 OutputStream *ost;
6291d7e4
AK
2256 InputStream *ist;
2257 char error[1024];
2258 int want_sdp = 1;
b0c9e8e0 2259
f4805328
AK
2260 /* init framerate emulation */
2261 for (i = 0; i < nb_input_files; i++) {
2262 InputFile *ifile = &input_files[i];
2263 if (ifile->rate_emu)
2264 for (j = 0; j < ifile->nb_streams; j++)
2265 input_streams[j + ifile->ist_index].start = av_gettime();
2266 }
6291d7e4
AK
2267
2268 /* output stream init */
03f30c83 2269 for (i = 0; i < nb_output_files; i++) {
1bb77e51
AK
2270 oc = output_files[i].ctx;
2271 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2272 av_dump_format(oc, i, oc->filename, 1);
e3245b26 2273 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
eaf2d37a 2274 return AVERROR(EINVAL);
6291d7e4 2275 }
6291d7e4
AK
2276 }
2277
2278 /* for each output stream, we compute the right encoding parameters */
4288e031
AK
2279 for (i = 0; i < nb_output_streams; i++) {
2280 ost = &output_streams[i];
03f30c83 2281 oc = output_files[ost->file_index].ctx;
6291d7e4
AK
2282 ist = &input_streams[ost->source_index];
2283
4dbc6cee
AK
2284 if (ost->attachment_filename)
2285 continue;
2286
03f30c83 2287 codec = ost->st->codec;
6291d7e4
AK
2288 icodec = ist->st->codec;
2289
03f30c83
AK
2290 ost->st->disposition = ist->st->disposition;
2291 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
6291d7e4
AK
2292 codec->chroma_sample_location = icodec->chroma_sample_location;
2293
3d813e4c 2294 if (ost->stream_copy) {
6291d7e4
AK
2295 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2296
e6d2b737 2297 if (extra_size > INT_MAX) {
eaf2d37a 2298 return AVERROR(EINVAL);
e6d2b737 2299 }
6291d7e4
AK
2300
2301 /* if stream_copy is selected, no need to decode or encode */
03f30c83 2302 codec->codec_id = icodec->codec_id;
6291d7e4
AK
2303 codec->codec_type = icodec->codec_type;
2304
03f30c83
AK
2305 if (!codec->codec_tag) {
2306 if (!oc->oformat->codec_tag ||
2307 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2308 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
6291d7e4
AK
2309 codec->codec_tag = icodec->codec_tag;
2310 }
2311
03f30c83 2312 codec->bit_rate = icodec->bit_rate;
6291d7e4
AK
2313 codec->rc_max_rate = icodec->rc_max_rate;
2314 codec->rc_buffer_size = icodec->rc_buffer_size;
4bf3c8f2 2315 codec->field_order = icodec->field_order;
03f30c83 2316 codec->extradata = av_mallocz(extra_size);
e6d2b737 2317 if (!codec->extradata) {
eaf2d37a 2318 return AVERROR(ENOMEM);
e6d2b737 2319 }
6291d7e4 2320 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
03f30c83 2321 codec->extradata_size = icodec->extradata_size;
7bb3e625 2322 if (!copy_tb) {
03f30c83 2323 codec->time_base = icodec->time_base;
6291d7e4
AK
2324 codec->time_base.num *= icodec->ticks_per_frame;
2325 av_reduce(&codec->time_base.num, &codec->time_base.den,
2326 codec->time_base.num, codec->time_base.den, INT_MAX);
03f30c83 2327 } else
6291d7e4 2328 codec->time_base = ist->st->time_base;
03f30c83 2329
7636c8c6 2330 switch (codec->codec_type) {
6291d7e4 2331 case AVMEDIA_TYPE_AUDIO:
7636c8c6 2332 if (audio_volume != 256) {
e3245b26 2333 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
6291d7e4
AK
2334 exit_program(1);
2335 }
03f30c83
AK
2336 codec->channel_layout = icodec->channel_layout;
2337 codec->sample_rate = icodec->sample_rate;
2338 codec->channels = icodec->channels;
2339 codec->frame_size = icodec->frame_size;
6291d7e4 2340 codec->audio_service_type = icodec->audio_service_type;
03f30c83 2341 codec->block_align = icodec->block_align;
6291d7e4
AK
2342 break;
2343 case AVMEDIA_TYPE_VIDEO:
03f30c83
AK
2344 codec->pix_fmt = icodec->pix_fmt;
2345 codec->width = icodec->width;
2346 codec->height = icodec->height;
2347 codec->has_b_frames = icodec->has_b_frames;
6291d7e4 2348 if (!codec->sample_aspect_ratio.num) {
03f30c83 2349 codec->sample_aspect_ratio =
6291d7e4
AK
2350 ost->st->sample_aspect_ratio =
2351 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2352 ist->st->codec->sample_aspect_ratio.num ?
2353 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2354 }
2355 break;
2356 case AVMEDIA_TYPE_SUBTITLE:
03f30c83 2357 codec->width = icodec->width;
6291d7e4
AK
2358 codec->height = icodec->height;
2359 break;
2360 case AVMEDIA_TYPE_DATA:
3ccd1580 2361 case AVMEDIA_TYPE_ATTACHMENT:
6291d7e4
AK
2362 break;
2363 default:
2364 abort();
2365 }
2366 } else {
2367 if (!ost->enc)
2368 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
03f30c83 2369
11fdb7e1
AK
2370 ist->decoding_needed = 1;
2371 ost->encoding_needed = 1;
03f30c83 2372
7636c8c6 2373 switch (codec->codec_type) {
6291d7e4 2374 case AVMEDIA_TYPE_AUDIO:
03f30c83 2375 ost->fifo = av_fifo_alloc(1024);
e6d2b737 2376 if (!ost->fifo) {
eaf2d37a 2377 return AVERROR(ENOMEM);
e6d2b737 2378 }
6291d7e4 2379 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
03f30c83 2380
d0a19696 2381 if (!codec->sample_rate)
6291d7e4 2382 codec->sample_rate = icodec->sample_rate;
6291d7e4 2383 choose_sample_rate(ost->st, ost->enc);
7636c8c6 2384 codec->time_base = (AVRational){ 1, codec->sample_rate };
03f30c83 2385
6291d7e4
AK
2386 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2387 codec->sample_fmt = icodec->sample_fmt;
2388 choose_sample_fmt(ost->st, ost->enc);
03f30c83 2389
6291d7e4
AK
2390 if (!codec->channels)
2391 codec->channels = icodec->channels;
2392 codec->channel_layout = icodec->channel_layout;
2393 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2394 codec->channel_layout = 0;
03f30c83
AK
2395
2396 ost->audio_resample = codec-> sample_rate != icodec->sample_rate || audio_sync_method > 1;
2397 icodec->request_channels = codec-> channels;
6291d7e4
AK
2398 ost->resample_sample_fmt = icodec->sample_fmt;
2399 ost->resample_sample_rate = icodec->sample_rate;
2400 ost->resample_channels = icodec->channels;
2401 break;
2402 case AVMEDIA_TYPE_VIDEO:
2403 if (codec->pix_fmt == PIX_FMT_NONE)
2404 codec->pix_fmt = icodec->pix_fmt;
2405 choose_pixel_fmt(ost->st, ost->enc);
2406
2407 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
e3245b26 2408 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
6291d7e4
AK
2409 exit_program(1);
2410 }
2411
2412 if (!codec->width || !codec->height) {
2413 codec->width = icodec->width;
2414 codec->height = icodec->height;
2415 }
2416
2417 ost->video_resample = codec->width != icodec->width ||
2418 codec->height != icodec->height ||
2419 codec->pix_fmt != icodec->pix_fmt;
2420 if (ost->video_resample) {
2421#if !CONFIG_AVFILTER
2422 avcodec_get_frame_defaults(&ost->pict_tmp);
7636c8c6 2423 if (avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
6291d7e4 2424 codec->width, codec->height)) {
e3245b26 2425 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
6291d7e4
AK
2426 exit_program(1);
2427 }
2428 ost->img_resample_ctx = sws_getContext(
2429 icodec->width,
2430 icodec->height,
2431 icodec->pix_fmt,
2432 codec->width,
2433 codec->height,
2434 codec->pix_fmt,
2435 ost->sws_flags, NULL, NULL, NULL);
2436 if (ost->img_resample_ctx == NULL) {
e3245b26 2437 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
6291d7e4
AK
2438 exit_program(1);
2439 }
2440#endif
7636c8c6 2441 codec->bits_per_raw_sample = 0;
6291d7e4
AK
2442 }
2443
03f30c83
AK
2444 ost->resample_height = icodec->height;
2445 ost->resample_width = icodec->width;
2446 ost->resample_pix_fmt = icodec->pix_fmt;
6291d7e4
AK
2447
2448 if (!ost->frame_rate.num)
7636c8c6 2449 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational) { 25, 1 };
bef737a7 2450 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
6291d7e4
AK
2451 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2452 ost->frame_rate = ost->enc->supported_framerates[idx];
2453 }
2454 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2455
2456#if CONFIG_AVFILTER
2457 if (configure_video_filters(ist, ost)) {
e3245b26 2458 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
6291d7e4
AK
2459 exit(1);
2460 }
2461#endif
2462 break;
2463 case AVMEDIA_TYPE_SUBTITLE:
c9af8326 2464 codec->time_base = (AVRational){1, 1000};
6291d7e4
AK
2465 break;
2466 default:
2467 abort();
2468 break;
2469 }
2470 /* two pass mode */
515901fa 2471 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
6291d7e4
AK
2472 char logfilename[1024];
2473 FILE *f;
2474
2475 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2476 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2477 i);
2478 if (codec->flags & CODEC_FLAG_PASS1) {
2479 f = fopen(logfilename, "wb");
2480 if (!f) {
e3245b26
AK
2481 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2482 logfilename, strerror(errno));
6291d7e4
AK
2483 exit_program(1);
2484 }
2485 ost->logfile = f;
2486 } else {
2487 char *logbuffer;
2488 size_t logbuffer_size;
02170990 2489 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
e3245b26
AK
2490 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2491 logfilename);
6291d7e4
AK
2492 exit_program(1);
2493 }
2494 codec->stats_in = logbuffer;
2495 }
2496 }
2497 }
7636c8c6 2498 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
03f30c83 2499 int size = codec->width * codec->height;
7636c8c6 2500 bit_buffer_size = FFMAX(bit_buffer_size, 6 * size + 200);
6291d7e4
AK
2501 }
2502 }
2503
2504 if (!bit_buffer)
2505 bit_buffer = av_malloc(bit_buffer_size);
2506 if (!bit_buffer) {
e3245b26
AK
2507 av_log(NULL, AV_LOG_ERROR, "Cannot allocate %d bytes output buffer\n",
2508 bit_buffer_size);
eaf2d37a 2509 return AVERROR(ENOMEM);
6291d7e4
AK
2510 }
2511
2512 /* open each encoder */
4288e031
AK
2513 for (i = 0; i < nb_output_streams; i++) {
2514 ost = &output_streams[i];
6291d7e4 2515 if (ost->encoding_needed) {
03f30c83 2516 AVCodec *codec = ost->enc;
6291d7e4
AK
2517 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2518 if (!codec) {
9a414d89 2519 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d:%d",
6291d7e4
AK
2520 ost->st->codec->codec_id, ost->file_index, ost->index);
2521 ret = AVERROR(EINVAL);
2522 goto dump_format;
2523 }
2524 if (dec->subtitle_header) {
2525 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2526 if (!ost->st->codec->subtitle_header) {
2527 ret = AVERROR(ENOMEM);
2528 goto dump_format;
2529 }
2530 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2531 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2532 }
2473a45c
JG
2533 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2534 av_dict_set(&ost->opts, "threads", "auto", 0);
6291d7e4 2535 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
9a414d89 2536 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
2537 ost->file_index, ost->index);
2538 ret = AVERROR(EINVAL);
2539 goto dump_format;
2540 }
2541 assert_codec_experimental(ost->st->codec, 1);
2542 assert_avoptions(ost->opts);
2543 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2544 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2545 "It takes bits/s as argument, not kbits/s\n");
2546 extra_size += ost->st->codec->extradata_size;
d242d80e
AK
2547
2548 if (ost->st->codec->me_threshold)
2549 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
6291d7e4
AK
2550 }
2551 }
2552
630902a1
AK
2553 /* init input streams */
2554 for (i = 0; i < nb_input_streams; i++)
62486948 2555 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
630902a1 2556 goto dump_format;
6291d7e4 2557
2c474ddb
AK
2558 /* discard unused programs */
2559 for (i = 0; i < nb_input_files; i++) {
2560 InputFile *ifile = &input_files[i];
2561 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2562 AVProgram *p = ifile->ctx->programs[j];
2563 int discard = AVDISCARD_ALL;
2564
2565 for (k = 0; k < p->nb_stream_indexes; k++)
2566 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2567 discard = AVDISCARD_DEFAULT;
2568 break;
2569 }
2570 p->discard = discard;
2571 }
2572 }
2573
6291d7e4 2574 /* open files and write file headers */
af70aa45 2575 for (i = 0; i < nb_output_files; i++) {
1bb77e51
AK
2576 oc = output_files[i].ctx;
2577 oc->interrupt_callback = int_cb;
2578 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
6291d7e4
AK
2579 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2580 ret = AVERROR(EINVAL);
2581 goto dump_format;
2582 }
af70aa45 2583 assert_avoptions(output_files[i].opts);
1bb77e51 2584 if (strcmp(oc->oformat->name, "rtp")) {
6291d7e4
AK
2585 want_sdp = 0;
2586 }
2587 }
2588
2589 dump_format:
2590 /* dump the file output parameters - cannot be done before in case
2591 of stream copy */
03f30c83 2592 for (i = 0; i < nb_output_files; i++) {
af70aa45 2593 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
6291d7e4
AK
2594 }
2595
2596 /* dump the stream mapping */
e3245b26
AK
2597 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2598 for (i = 0; i < nb_output_streams; i++) {
2599 ost = &output_streams[i];
4dbc6cee
AK
2600
2601 if (ost->attachment_filename) {
2602 /* an attached file */
2603 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2604 ost->attachment_filename, ost->file_index, ost->index);
2605 continue;
2606 }
9a414d89 2607 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
e3245b26
AK
2608 input_streams[ost->source_index].file_index,
2609 input_streams[ost->source_index].st->index,
2610 ost->file_index,
2611 ost->index);
2612 if (ost->sync_ist != &input_streams[ost->source_index])
9a414d89 2613 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
e3245b26
AK
2614 ost->sync_ist->file_index,
2615 ost->sync_ist->st->index);
3d813e4c 2616 if (ost->stream_copy)
e3245b26
AK
2617 av_log(NULL, AV_LOG_INFO, " (copy)");
2618 else
2619 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2620 input_streams[ost->source_index].dec->name : "?",
2621 ost->enc ? ost->enc->name : "?");
2622 av_log(NULL, AV_LOG_INFO, "\n");
6291d7e4
AK
2623 }
2624
2625 if (ret) {
e3245b26 2626 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
eaf2d37a 2627 return ret;
6291d7e4
AK
2628 }
2629
2630 if (want_sdp) {
2631 print_sdp(output_files, nb_output_files);
2632 }
2633
eaf2d37a
AC
2634 return 0;
2635}
2636
2637/*
2638 * The following code is the main loop of the file converter
2639 */
2640static int transcode(OutputFile *output_files,
2641 int nb_output_files,
2642 InputFile *input_files,
2643 int nb_input_files)
2644{
2645 int ret, i;
2646 AVFormatContext *is, *os;
2647 OutputStream *ost;
2648 InputStream *ist;
2649 uint8_t *no_packet;
7636c8c6 2650 int no_packet_count = 0;
eaf2d37a
AC
2651 int64_t timer_start;
2652
2653 if (!(no_packet = av_mallocz(nb_input_files)))
2654 exit_program(1);
2655
2656 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2657 if (ret < 0)
2658 goto fail;
2659
e3245b26 2660 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
6291d7e4
AK
2661 term_init();
2662
2663 timer_start = av_gettime();
2664
7636c8c6 2665 for (; received_sigterm == 0;) {
6291d7e4
AK
2666 int file_index, ist_index;
2667 AVPacket pkt;
9be3c124 2668 int64_t ipts_min;
6291d7e4
AK
2669 double opts_min;
2670
9be3c124 2671 ipts_min = INT64_MAX;
7636c8c6 2672 opts_min = 1e100;
6291d7e4
AK
2673
2674 /* select the stream that we must read now by looking at the
2675 smallest output pts */
2676 file_index = -1;
4288e031 2677 for (i = 0; i < nb_output_streams; i++) {
f21f294e 2678 OutputFile *of;
9be3c124
AC
2679 int64_t ipts;
2680 double opts;
4288e031 2681 ost = &output_streams[i];
f21f294e 2682 of = &output_files[ost->file_index];
af70aa45 2683 os = output_files[ost->file_index].ctx;
6291d7e4 2684 ist = &input_streams[ost->source_index];
f21f294e
AK
2685 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2686 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
6291d7e4 2687 continue;
c0931508 2688 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
9be3c124 2689 ipts = ist->pts;
7636c8c6
AD
2690 if (!input_files[ist->file_index].eof_reached) {
2691 if (ipts < ipts_min) {
6291d7e4 2692 ipts_min = ipts;
7636c8c6
AD
2693 if (input_sync)
2694 file_index = ist->file_index;
6291d7e4 2695 }
7636c8c6 2696 if (opts < opts_min) {
6291d7e4 2697 opts_min = opts;
7636c8c6 2698 if (!input_sync) file_index = ist->file_index;
6291d7e4
AK
2699 }
2700 }
96139b5e
AK
2701 if (ost->frame_number >= ost->max_frames) {
2702 int j;
9b921a82
AK
2703 for (j = 0; j < of->ctx->nb_streams; j++)
2704 output_streams[of->ost_index + j].is_past_recording_time = 1;
96139b5e 2705 continue;
6291d7e4
AK
2706 }
2707 }
2708 /* if none, if is finished */
2709 if (file_index < 0) {
7636c8c6
AD
2710 if (no_packet_count) {
2711 no_packet_count = 0;
b0c9e8e0 2712 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
2713 usleep(10000);
2714 continue;
2715 }
2716 break;
2717 }
2718
6291d7e4 2719 /* read a frame from it and output it in the fifo */
7636c8c6
AD
2720 is = input_files[file_index].ctx;
2721 ret = av_read_frame(is, &pkt);
2722 if (ret == AVERROR(EAGAIN)) {
2723 no_packet[file_index] = 1;
6291d7e4
AK
2724 no_packet_count++;
2725 continue;
2726 }
2727 if (ret < 0) {
2728 input_files[file_index].eof_reached = 1;
2729 if (opt_shortest)
2730 break;
2731 else
2732 continue;
2733 }
2734
7636c8c6 2735 no_packet_count = 0;
b0c9e8e0 2736 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
2737
2738 if (do_pkt_dump) {
2739 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2740 is->streams[pkt.stream_index]);
2741 }
2742 /* the following test is needed in case new streams appear
2743 dynamically in stream : we ignore them */
ed5b1326 2744 if (pkt.stream_index >= input_files[file_index].nb_streams)
6291d7e4
AK
2745 goto discard_packet;
2746 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2747 ist = &input_streams[ist_index];
2748 if (ist->discard)
2749 goto discard_packet;
2750
2751 if (pkt.dts != AV_NOPTS_VALUE)
2752 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2753 if (pkt.pts != AV_NOPTS_VALUE)
2754 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2755
7636c8c6 2756 if (pkt.pts != AV_NOPTS_VALUE)
33f75d72 2757 pkt.pts *= ist->ts_scale;
7636c8c6 2758 if (pkt.dts != AV_NOPTS_VALUE)
33f75d72 2759 pkt.dts *= ist->ts_scale;
6291d7e4 2760
7636c8c6
AD
2761 //fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n",
2762 // ist->next_pts,
2763 // pkt.dts, input_files[ist->file_index].ts_offset,
2764 // ist->st->codec->codec_type);
6291d7e4
AK
2765 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2766 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
7636c8c6
AD
2767 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2768 int64_t delta = pkt_dts - ist->next_pts;
2769 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->pts) && !copy_ts) {
6291d7e4 2770 input_files[ist->file_index].ts_offset -= delta;
7636c8c6
AD
2771 av_log(NULL, AV_LOG_DEBUG,
2772 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
e3245b26 2773 delta, input_files[ist->file_index].ts_offset);
6291d7e4 2774 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
7636c8c6 2775 if (pkt.pts != AV_NOPTS_VALUE)
6291d7e4
AK
2776 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2777 }
2778 }
2779
7636c8c6 2780 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
06d4e2fa 2781 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
6291d7e4 2782
9a414d89 2783 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
e3245b26 2784 ist->file_index, ist->st->index);
6291d7e4
AK
2785 if (exit_on_error)
2786 exit_program(1);
2787 av_free_packet(&pkt);
b9630bcf 2788 continue;
6291d7e4
AK
2789 }
2790
2791 discard_packet:
2792 av_free_packet(&pkt);
2793
2794 /* dump report by using the output first video and audio streams */
c5ad2c2c 2795 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
6291d7e4
AK
2796 }
2797
2798 /* at the end of stream, we must flush the decoder buffers */
2799 for (i = 0; i < nb_input_streams; i++) {
2800 ist = &input_streams[i];
2801 if (ist->decoding_needed) {
06d4e2fa 2802 output_packet(ist, output_streams, nb_output_streams, NULL);
6291d7e4
AK
2803 }
2804 }
b62b5cb6 2805 flush_encoders(output_streams, nb_output_streams);
6291d7e4
AK
2806
2807 term_exit();
2808
2809 /* write the trailer if needed and close file */
7636c8c6 2810 for (i = 0; i < nb_output_files; i++) {
af70aa45 2811 os = output_files[i].ctx;
6291d7e4
AK
2812 av_write_trailer(os);
2813 }
2814
2815 /* dump report by using the first video and audio streams */
c5ad2c2c 2816 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
6291d7e4
AK
2817
2818 /* close each encoder */
4288e031
AK
2819 for (i = 0; i < nb_output_streams; i++) {
2820 ost = &output_streams[i];
6291d7e4
AK
2821 if (ost->encoding_needed) {
2822 av_freep(&ost->st->codec->stats_in);
2823 avcodec_close(ost->st->codec);
2824 }
2825#if CONFIG_AVFILTER
2826 avfilter_graph_free(&ost->graph);
2827#endif
2828 }
2829
2830 /* close each decoder */
2831 for (i = 0; i < nb_input_streams; i++) {
2832 ist = &input_streams[i];
2833 if (ist->decoding_needed) {
2834 avcodec_close(ist->st->codec);
2835 }
2836 }
2837
2838 /* finished ! */
2839 ret = 0;
2840
2841 fail:
2842 av_freep(&bit_buffer);
b0c9e8e0 2843 av_freep(&no_packet);
6291d7e4 2844
4288e031
AK
2845 if (output_streams) {
2846 for (i = 0; i < nb_output_streams; i++) {
2847 ost = &output_streams[i];
6291d7e4 2848 if (ost) {
3d813e4c 2849 if (ost->stream_copy)
6291d7e4
AK
2850 av_freep(&ost->st->codec->extradata);
2851 if (ost->logfile) {
2852 fclose(ost->logfile);
2853 ost->logfile = NULL;
2854 }
2855 av_fifo_free(ost->fifo); /* works even if fifo is not
2856 initialized but set to zero */
2857 av_freep(&ost->st->codec->subtitle_header);
2858 av_free(ost->pict_tmp.data[0]);
2859 av_free(ost->forced_kf_pts);
2860 if (ost->video_resample)
2861 sws_freeContext(ost->img_resample_ctx);
2862 if (ost->resample)
2863 audio_resample_close(ost->resample);
2864 if (ost->reformat_ctx)
2865 av_audio_convert_free(ost->reformat_ctx);
2866 av_dict_free(&ost->opts);
6291d7e4
AK
2867 }
2868 }
6291d7e4
AK
2869 }
2870 return ret;
2871}
2872
ca46fde7 2873static double parse_frame_aspect_ratio(const char *arg)
6291d7e4
AK
2874{
2875 int x = 0, y = 0;
2876 double ar = 0;
2877 const char *p;
2878 char *end;
2879
2880 p = strchr(arg, ':');
2881 if (p) {
2882 x = strtol(arg, &end, 10);
2883 if (end == p)
7636c8c6 2884 y = strtol(end + 1, &end, 10);
6291d7e4
AK
2885 if (x > 0 && y > 0)
2886 ar = (double)x / (double)y;
2887 } else
2888 ar = strtod(arg, NULL);
2889
2890 if (!ar) {
e3245b26 2891 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
ca46fde7 2892 exit_program(1);
6291d7e4 2893 }
ca46fde7 2894 return ar;
6291d7e4
AK
2895}
2896
35e6f8c1 2897static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2898{
35e6f8c1 2899 return parse_option(o, "codec:a", arg, options);
6291d7e4
AK
2900}
2901
35e6f8c1 2902static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2903{
35e6f8c1 2904 return parse_option(o, "codec:v", arg, options);
6291d7e4
AK
2905}
2906
35e6f8c1 2907static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2908{
35e6f8c1 2909 return parse_option(o, "codec:s", arg, options);
6291d7e4
AK
2910}
2911
35e6f8c1 2912static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2913{
35e6f8c1 2914 return parse_option(o, "codec:d", arg, options);
6291d7e4
AK
2915}
2916
575ec4e1 2917static int opt_map(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2918{
8d2e4a7e
AK
2919 StreamMap *m = NULL;
2920 int i, negative = 0, file_idx;
2921 int sync_file_idx = -1, sync_stream_idx;
2922 char *p, *sync;
2923 char *map;
6291d7e4 2924
8d2e4a7e
AK
2925 if (*arg == '-') {
2926 negative = 1;
2927 arg++;
2928 }
2929 map = av_strdup(arg);
6291d7e4 2930
8d2e4a7e
AK
2931 /* parse sync stream first, just pick first matching stream */
2932 if (sync = strchr(map, ',')) {
2933 *sync = 0;
2934 sync_file_idx = strtol(sync + 1, &sync, 0);
2935 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
f24facd3 2936 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
8d2e4a7e
AK
2937 exit_program(1);
2938 }
2939 if (*sync)
2940 sync++;
ed5b1326 2941 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
8d2e4a7e
AK
2942 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2943 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2944 sync_stream_idx = i;
2945 break;
2946 }
ed5b1326 2947 if (i == input_files[sync_file_idx].nb_streams) {
f24facd3 2948 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
8d2e4a7e
AK
2949 "match any streams.\n", arg);
2950 exit_program(1);
2951 }
2952 }
6291d7e4 2953
8d2e4a7e
AK
2954
2955 file_idx = strtol(map, &p, 0);
2956 if (file_idx >= nb_input_files || file_idx < 0) {
f24facd3 2957 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
8d2e4a7e 2958 exit_program(1);
6291d7e4 2959 }
8d2e4a7e
AK
2960 if (negative)
2961 /* disable some already defined maps */
575ec4e1
AK
2962 for (i = 0; i < o->nb_stream_maps; i++) {
2963 m = &o->stream_maps[i];
e6674f68
AK
2964 if (file_idx == m->file_index &&
2965 check_stream_specifier(input_files[m->file_index].ctx,
8d2e4a7e
AK
2966 input_files[m->file_index].ctx->streams[m->stream_index],
2967 *p == ':' ? p + 1 : p) > 0)
2968 m->disabled = 1;
2969 }
2970 else
ed5b1326 2971 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
8d2e4a7e
AK
2972 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2973 *p == ':' ? p + 1 : p) <= 0)
2974 continue;
575ec4e1
AK
2975 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2976 &o->nb_stream_maps, o->nb_stream_maps + 1);
2977 m = &o->stream_maps[o->nb_stream_maps - 1];
8d2e4a7e
AK
2978
2979 m->file_index = file_idx;
2980 m->stream_index = i;
2981
2982 if (sync_file_idx >= 0) {
2983 m->sync_file_index = sync_file_idx;
2984 m->sync_stream_index = sync_stream_idx;
2985 } else {
2986 m->sync_file_index = file_idx;
2987 m->sync_stream_index = i;
2988 }
2989 }
2990
2991 if (!m) {
f24facd3 2992 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
8d2e4a7e
AK
2993 exit_program(1);
2994 }
2995
2996 av_freep(&map);
6291d7e4
AK
2997 return 0;
2998}
2999
4dbc6cee
AK
3000static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3001{
3002 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3003 &o->nb_attachments, o->nb_attachments + 1);
3004 o->attachments[o->nb_attachments - 1] = arg;
3005 return 0;
3006}
3007
a7b5e841
AK
3008/**
3009 * Parse a metadata specifier in arg.
3010 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
3011 * @param index for type c/p, chapter/program index is written here
3012 * @param stream_spec for type s, the stream specifier is written here
3013 */
3014static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
6291d7e4 3015{
039267f1 3016 if (*arg) {
a2a38d96 3017 *type = *arg;
6291d7e4
AK
3018 switch (*arg) {
3019 case 'g':
3020 break;
3021 case 's':
a7b5e841
AK
3022 if (*(++arg) && *arg != ':') {
3023 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3024 exit_program(1);
3025 }
3026 *stream_spec = *arg == ':' ? arg + 1 : "";
3027 break;
6291d7e4
AK
3028 case 'c':
3029 case 'p':
e6e6060c
AK
3030 if (*(++arg) == ':')
3031 *index = strtol(++arg, NULL, 0);
6291d7e4
AK
3032 break;
3033 default:
e3245b26 3034 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
6291d7e4
AK
3035 exit_program(1);
3036 }
3037 } else
3038 *type = 'g';
3039}
3040
a7b5e841 3041static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
6291d7e4 3042{
a7b5e841
AK
3043 AVDictionary **meta_in = NULL;
3044 AVDictionary **meta_out;
3045 int i, ret = 0;
3046 char type_in, type_out;
3047 const char *istream_spec = NULL, *ostream_spec = NULL;
3048 int idx_in = 0, idx_out = 0;
6291d7e4 3049
a7b5e841
AK
3050 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3051 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
6291d7e4 3052
a7b5e841 3053 if (type_in == 'g' || type_out == 'g')
847529f8 3054 o->metadata_global_manual = 1;
a7b5e841 3055 if (type_in == 's' || type_out == 's')
847529f8 3056 o->metadata_streams_manual = 1;
a7b5e841 3057 if (type_in == 'c' || type_out == 'c')
847529f8 3058 o->metadata_chapters_manual = 1;
6291d7e4 3059
a7b5e841
AK
3060#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3061 if ((index) < 0 || (index) >= (nb_elems)) {\
3062 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3063 (desc), (index));\
3064 exit_program(1);\
3065 }
3066
3067#define SET_DICT(type, meta, context, index)\
3068 switch (type) {\
3069 case 'g':\
3070 meta = &context->metadata;\
3071 break;\
3072 case 'c':\
3073 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3074 meta = &context->chapters[index]->metadata;\
3075 break;\
3076 case 'p':\
3077 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3078 meta = &context->programs[index]->metadata;\
3079 break;\
3080 }\
3081
3082 SET_DICT(type_in, meta_in, ic, idx_in);
3083 SET_DICT(type_out, meta_out, oc, idx_out);
3084
3085 /* for input streams choose first matching stream */
3086 if (type_in == 's') {
3087 for (i = 0; i < ic->nb_streams; i++) {
3088 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3089 meta_in = &ic->streams[i]->metadata;
3090 break;
3091 } else if (ret < 0)
3092 exit_program(1);
3093 }
3094 if (!meta_in) {
3095 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3096 exit_program(1);
3097 }
3098 }
3099
3100 if (type_out == 's') {
3101 for (i = 0; i < oc->nb_streams; i++) {
3102 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3103 meta_out = &oc->streams[i]->metadata;
3104 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3105 } else if (ret < 0)
3106 exit_program(1);
3107 }
3108 } else
3109 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3110
6291d7e4
AK
3111 return 0;
3112}
3113
1b648c7c 3114static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
169f0647
AK
3115{
3116 const char *codec_string = encoder ? "encoder" : "decoder";
3117 AVCodec *codec;
3118
169f0647
AK
3119 codec = encoder ?
3120 avcodec_find_encoder_by_name(name) :
3121 avcodec_find_decoder_by_name(name);
7636c8c6 3122 if (!codec) {
f24facd3 3123 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
169f0647
AK
3124 exit_program(1);
3125 }
7636c8c6 3126 if (codec->type != type) {
f24facd3 3127 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
169f0647
AK
3128 exit_program(1);
3129 }
1b648c7c 3130 return codec;
169f0647
AK
3131}
3132
1b648c7c 3133static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
169f0647 3134{
169f0647 3135 char *codec_name = NULL;
169f0647 3136
35e6f8c1 3137 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
1b648c7c
AK
3138 if (codec_name) {
3139 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3140 st->codec->codec_id = codec->id;
3141 return codec;
3142 } else
3143 return avcodec_find_decoder(st->codec->codec_id);
169f0647 3144}
6291d7e4 3145
88867844
AK
3146/**
3147 * Add all the streams from the given input file to the global
3148 * list of input streams.
3149 */
35e6f8c1 3150static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
88867844 3151{
c88d5319 3152 int i;
88867844
AK
3153
3154 for (i = 0; i < ic->nb_streams; i++) {
3155 AVStream *st = ic->streams[i];
3156 AVCodecContext *dec = st->codec;
3157 InputStream *ist;
3158
88867844
AK
3159 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3160 ist = &input_streams[nb_input_streams - 1];
3161 ist->st = st;
3162 ist->file_index = nb_input_files;
3163 ist->discard = 1;
3164 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3165
059fb8c8
AK
3166 ist->ts_scale = 1.0;
3167 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
88867844 3168
1b648c7c 3169 ist->dec = choose_decoder(o, ic, st);
88867844
AK
3170
3171 switch (dec->codec_type) {
3172 case AVMEDIA_TYPE_AUDIO:
2130981a 3173 if (o->audio_disable)
7636c8c6 3174 st->discard = AVDISCARD_ALL;
88867844
AK
3175 break;
3176 case AVMEDIA_TYPE_VIDEO:
88867844
AK
3177 if (dec->lowres) {
3178 dec->flags |= CODEC_FLAG_EMU_EDGE;
3179 dec->height >>= dec->lowres;
3180 dec->width >>= dec->lowres;
3181 }
88867844 3182
2130981a 3183 if (o->video_disable)
7636c8c6
AD
3184 st->discard = AVDISCARD_ALL;
3185 else if (video_discard)
3186 st->discard = video_discard;
88867844
AK
3187 break;
3188 case AVMEDIA_TYPE_DATA:
3189 break;
3190 case AVMEDIA_TYPE_SUBTITLE:
2130981a 3191 if (o->subtitle_disable)
88867844
AK
3192 st->discard = AVDISCARD_ALL;
3193 break;
3194 case AVMEDIA_TYPE_ATTACHMENT:
3195 case AVMEDIA_TYPE_UNKNOWN:
3196 break;
3197 default:
3198 abort();
3199 }
3200 }
3201}
3202
a2c0b830
AK
3203static void assert_file_overwrite(const char *filename)
3204{
3205 if (!file_overwrite &&
3206 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3207 av_strstart(filename, "file:", NULL))) {
3208 if (avio_check(filename, 0) == 0) {
3209 if (!using_stdin) {
3210 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3211 fflush(stderr);
3212 if (!read_yesno()) {
3213 fprintf(stderr, "Not overwriting - exiting\n");
3214 exit_program(1);
3215 }
3216 }
3217 else {
3218 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3219 exit_program(1);
3220 }
3221 }
3222 }
3223}
3224
3225static void dump_attachment(AVStream *st, const char *filename)
3226{
3227 int ret;
3228 AVIOContext *out = NULL;
3229 AVDictionaryEntry *e;
3230
3231 if (!st->codec->extradata_size) {
3232 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3233 nb_input_files - 1, st->index);
3234 return;
3235 }
3236 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3237 filename = e->value;
3238 if (!*filename) {
3239 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3240 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3241 exit_program(1);
3242 }
3243
3244 assert_file_overwrite(filename);
3245
2abe947a 3246 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
a2c0b830
AK
3247 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3248 filename);
3249 exit_program(1);
3250 }
3251
3252 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3253 avio_flush(out);
3254 avio_close(out);
3255}
3256
575ec4e1 3257static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
6291d7e4
AK
3258{
3259 AVFormatContext *ic;
3260 AVInputFormat *file_iformat = NULL;
88867844 3261 int err, i, ret;
6291d7e4
AK
3262 int64_t timestamp;
3263 uint8_t buf[128];
3264 AVDictionary **opts;
3265 int orig_nb_streams; // number of streams before avformat_find_stream_info
3266
7041bb3b
AK
3267 if (o->format) {
3268 if (!(file_iformat = av_find_input_format(o->format))) {
e3245b26 3269 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
6291d7e4
AK
3270 exit_program(1);
3271 }
6291d7e4
AK
3272 }
3273
3274 if (!strcmp(filename, "-"))
3275 filename = "pipe:";
3276
3277 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3278 !strcmp(filename, "/dev/stdin");
3279
3280 /* get default parameters from command line */
3281 ic = avformat_alloc_context();
3282 if (!ic) {
3283 print_error(filename, AVERROR(ENOMEM));
3284 exit_program(1);
3285 }
e2469ccf
AK
3286 if (o->nb_audio_sample_rate) {
3287 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
6291d7e4
AK
3288 av_dict_set(&format_opts, "sample_rate", buf, 0);
3289 }
6a11686d
AK
3290 if (o->nb_audio_channels) {
3291 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
6291d7e4
AK
3292 av_dict_set(&format_opts, "channels", buf, 0);
3293 }
91ea4811
AK
3294 if (o->nb_frame_rates) {
3295 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
6291d7e4 3296 }
d4397b03
AK
3297 if (o->nb_frame_sizes) {
3298 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
6291d7e4 3299 }
b2254d83
AK
3300 if (o->nb_frame_pix_fmts)
3301 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
6291d7e4 3302
6291d7e4 3303 ic->flags |= AVFMT_FLAG_NONBLOCK;
2abe947a 3304 ic->interrupt_callback = int_cb;
6291d7e4
AK
3305
3306 /* open the input file with generic libav function */
3307 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3308 if (err < 0) {
3309 print_error(filename, err);
3310 exit_program(1);
3311 }
3312 assert_avoptions(format_opts);
3313
92f1940e
AK
3314 /* apply forced codec ids */
3315 for (i = 0; i < ic->nb_streams; i++)
1b648c7c 3316 choose_decoder(o, ic, ic->streams[i]);
92f1940e 3317
6291d7e4
AK
3318 /* Set AVCodecContext options for avformat_find_stream_info */
3319 opts = setup_find_stream_info_opts(ic, codec_opts);
3320 orig_nb_streams = ic->nb_streams;
3321
3322 /* If not enough info to get the stream parameters, we decode the
3323 first frames to get it. (used in mpeg case for example) */
3324 ret = avformat_find_stream_info(ic, opts);
e3245b26
AK
3325 if (ret < 0) {
3326 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
cd3716b9 3327 avformat_close_input(&ic);
6291d7e4
AK
3328 exit_program(1);
3329 }
3330
6b779ccc 3331 timestamp = o->start_time;
6291d7e4
AK
3332 /* add the stream start time */
3333 if (ic->start_time != AV_NOPTS_VALUE)
3334 timestamp += ic->start_time;
3335
3336 /* if seeking requested, we execute it */
6b779ccc 3337 if (o->start_time != 0) {
6291d7e4
AK
3338 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3339 if (ret < 0) {
e3245b26
AK
3340 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3341 filename, (double)timestamp / AV_TIME_BASE);
6291d7e4 3342 }
6291d7e4
AK
3343 }
3344
3345 /* update the current parameters so that they match the one of the input stream */
35e6f8c1 3346 add_input_streams(o, ic);
6291d7e4
AK
3347
3348 /* dump the file content */
e3245b26 3349 av_dump_format(ic, nb_input_files, filename, 0);
6291d7e4
AK
3350
3351 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3352 input_files[nb_input_files - 1].ctx = ic;
3353 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
6b779ccc 3354 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
ed5b1326 3355 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
dc3e76f3 3356 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
6291d7e4 3357
a2c0b830
AK
3358 for (i = 0; i < o->nb_dump_attachment; i++) {
3359 int j;
3360
3361 for (j = 0; j < ic->nb_streams; j++) {
3362 AVStream *st = ic->streams[j];
3363
3364 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3365 dump_attachment(st, o->dump_attachment[i].u.str);
3366 }
3367 }
3368
6291d7e4
AK
3369 for (i = 0; i < orig_nb_streams; i++)
3370 av_dict_free(&opts[i]);
3371 av_freep(&opts);
575ec4e1
AK
3372
3373 reset_options(o);
6291d7e4
AK
3374 return 0;
3375}
3376
f233cfed
AK
3377static void parse_forced_key_frames(char *kf, OutputStream *ost,
3378 AVCodecContext *avctx)
3379{
3380 char *p;
3381 int n = 1, i;
3382 int64_t t;
3383
3384 for (p = kf; *p; p++)
3385 if (*p == ',')
3386 n++;
3387 ost->forced_kf_count = n;
7636c8c6 3388 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
f233cfed
AK
3389 if (!ost->forced_kf_pts) {
3390 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3391 exit_program(1);
3392 }
3393 for (i = 0; i < n; i++) {
3394 p = i ? strchr(p, ',') + 1 : kf;
3395 t = parse_time_or_die("force_key_frames", p, 1);
3396 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3397 }
3398}
3399
3ec34462
AK
3400static uint8_t *get_line(AVIOContext *s)
3401{
3402 AVIOContext *line;
3403 uint8_t *buf;
3404 char c;
3405
3406 if (avio_open_dyn_buf(&line) < 0) {
3407 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3408 exit_program(1);
3409 }
3410
3411 while ((c = avio_r8(s)) && c != '\n')
3412 avio_w8(line, c);
3413 avio_w8(line, 0);
3414 avio_close_dyn_buf(line, &buf);
3415
3416 return buf;
3417}
3418
3419static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3420{
3421 int i, ret = 1;
3422 char filename[1000];
3423 const char *base[3] = { getenv("AVCONV_DATADIR"),
3424 getenv("HOME"),
3425 AVCONV_DATADIR,
3426 };
3427
3428 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3429 if (!base[i])
3430 continue;
3431 if (codec_name) {
3432 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3433 i != 1 ? "" : "/.avconv", codec_name, preset_name);
2abe947a 3434 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3ec34462
AK
3435 }
3436 if (ret) {
3437 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3438 i != 1 ? "" : "/.avconv", preset_name);
2abe947a 3439 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3ec34462
AK
3440 }
3441 }
3442 return ret;
3443}
3444
1b648c7c
AK
3445static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3446{
3447 char *codec_name = NULL;
3448
3449 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3450 if (!codec_name) {
3451 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3452 NULL, ost->st->codec->codec_type);
3453 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3454 } else if (!strcmp(codec_name, "copy"))
3d813e4c 3455 ost->stream_copy = 1;
1b648c7c
AK
3456 else {
3457 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3458 ost->st->codec->codec_id = ost->enc->id;
3459 }
3460}
3461
35e6f8c1 3462static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
169f0647
AK
3463{
3464 OutputStream *ost;
84ad31ff 3465 AVStream *st = avformat_new_stream(oc, NULL);
3ec34462 3466 int idx = oc->nb_streams - 1, ret = 0;
013887eb 3467 char *bsf = NULL, *next, *codec_tag = NULL;
d821cbe2 3468 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
77d9c454 3469 double qscale = -1;
3ec34462
AK
3470 char *buf = NULL, *arg = NULL, *preset = NULL;
3471 AVIOContext *s = NULL;
169f0647
AK
3472
3473 if (!st) {
f24facd3 3474 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
169f0647
AK
3475 exit_program(1);
3476 }
3477
84ad31ff
AK
3478 if (oc->nb_streams - 1 < o->nb_streamid_map)
3479 st->id = o->streamid_map[oc->nb_streams - 1];
3480
4288e031
AK
3481 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3482 nb_output_streams + 1);
3483 ost = &output_streams[nb_output_streams - 1];
40fc2810 3484 ost->file_index = nb_output_files;
7636c8c6
AD
3485 ost->index = idx;
3486 ost->st = st;
169f0647 3487 st->codec->codec_type = type;
1b648c7c 3488 choose_encoder(o, oc, ost);
169f0647
AK
3489 if (ost->enc) {
3490 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3491 }
3492
3493 avcodec_get_context_defaults3(st->codec, ost->enc);
3494 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3495
3ec34462
AK
3496 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3497 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3498 do {
3499 buf = get_line(s);
3500 if (!buf[0] || buf[0] == '#') {
3501 av_free(buf);
3502 continue;
3503 }
3504 if (!(arg = strchr(buf, '='))) {
3505 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3506 exit_program(1);
3507 }
3508 *arg++ = 0;
3509 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3510 av_free(buf);
3511 } while (!s->eof_reached);
3512 avio_close(s);
3513 }
3514 if (ret) {
3515 av_log(NULL, AV_LOG_FATAL,
3516 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3517 preset, ost->file_index, ost->index);
3518 exit_program(1);
3519 }
3520
059fb8c8
AK
3521 ost->max_frames = INT64_MAX;
3522 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
96139b5e 3523
d821cbe2
AK
3524 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3525 while (bsf) {
3526 if (next = strchr(bsf, ','))
3527 *next++ = 0;
3528 if (!(bsfc = av_bitstream_filter_init(bsf))) {
f24facd3 3529 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
d821cbe2
AK
3530 exit_program(1);
3531 }
3532 if (bsfc_prev)
3533 bsfc_prev->next = bsfc;
3534 else
3535 ost->bitstream_filters = bsfc;
3536
3537 bsfc_prev = bsfc;
3538 bsf = next;
3539 }
3540
013887eb
AK
3541 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3542 if (codec_tag) {
3543 uint32_t tag = strtol(codec_tag, &next, 0);
3544 if (*next)
3545 tag = AV_RL32(codec_tag);