fate: drop pointless _audio and _video suffixes from xan tests
[libav.git] / avconv.c
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1/*
2 * avconv main
3 * Copyright (c) 2000-2011 The libav developers.
4 *
5 * This file is part of Libav.
6 *
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22#include "config.h"
23#include <ctype.h>
24#include <string.h>
25#include <math.h>
26#include <stdlib.h>
27#include <errno.h>
28#include <signal.h>
29#include <limits.h>
30#include <unistd.h>
31#include "libavformat/avformat.h"
32#include "libavdevice/avdevice.h"
33#include "libswscale/swscale.h"
34#include "libavutil/opt.h"
35#include "libavcodec/audioconvert.h"
36#include "libavutil/audioconvert.h"
37#include "libavutil/parseutils.h"
38#include "libavutil/samplefmt.h"
39#include "libavutil/colorspace.h"
40#include "libavutil/fifo.h"
41#include "libavutil/intreadwrite.h"
42#include "libavutil/dict.h"
43#include "libavutil/mathematics.h"
44#include "libavutil/pixdesc.h"
45#include "libavutil/avstring.h"
46#include "libavutil/libm.h"
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
79const char program_name[] = "avconv";
80const int program_birth_year = 2000;
81
82/* select an input stream for an output stream */
83typedef struct StreamMap {
8d2e4a7e 84 int disabled; /** 1 is this mapping is disabled by a negative map */
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85 int file_index;
86 int stream_index;
87 int sync_file_index;
88 int sync_stream_index;
89} StreamMap;
90
91/**
92 * select an input file for an output file
93 */
94typedef struct MetadataMap {
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95 int file; ///< file index
96 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
97 int index; ///< stream/chapter/program number
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98} MetadataMap;
99
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100static const OptionDef options[];
101
6291d7e4 102static int video_discard = 0;
f4ad238c 103static int same_quant = 0;
6291d7e4 104static int do_deinterlace = 0;
6291d7e4 105static int intra_dc_precision = 8;
6291d7e4 106static int qp_hist = 0;
6291d7e4 107
6291d7e4 108static int file_overwrite = 0;
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109static int do_benchmark = 0;
110static int do_hex_dump = 0;
111static int do_pkt_dump = 0;
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112static int do_pass = 0;
113static char *pass_logfilename_prefix = NULL;
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114static int video_sync_method = -1;
115static int audio_sync_method = 0;
116static float audio_drift_threshold = 0.1;
117static int copy_ts = 0;
7bb3e625 118static int copy_tb = 1;
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119static int opt_shortest = 0;
120static char *vstats_filename;
121static FILE *vstats_file;
6291d7e4 122
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123static int audio_volume = 256;
124
125static int exit_on_error = 0;
126static int using_stdin = 0;
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127static int64_t video_size = 0;
128static int64_t audio_size = 0;
129static int64_t extra_size = 0;
130static int nb_frames_dup = 0;
131static int nb_frames_drop = 0;
132static int input_sync;
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133
134static float dts_delta_threshold = 10;
135
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136static int print_stats = 1;
137
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138static uint8_t *audio_buf;
139static uint8_t *audio_out;
140static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
141
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142#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
143
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144typedef struct FrameBuffer {
145 uint8_t *base[4];
146 uint8_t *data[4];
147 int linesize[4];
148
149 int h, w;
150 enum PixelFormat pix_fmt;
151
152 int refcount;
153 struct InputStream *ist;
154 struct FrameBuffer *next;
155} FrameBuffer;
156
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157typedef struct InputStream {
158 int file_index;
159 AVStream *st;
160 int discard; /* true if stream data should be discarded */
161 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
162 AVCodec *dec;
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163 AVFrame *decoded_frame;
164 AVFrame *filtered_frame;
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165
166 int64_t start; /* time when read started */
167 int64_t next_pts; /* synthetic pts for cases where pkt.pts
168 is not defined */
169 int64_t pts; /* current pts */
170 PtsCorrectionContext pts_ctx;
171 double ts_scale;
172 int is_start; /* is 1 at the start and after a discontinuity */
173 int showed_multi_packet_warning;
174 AVDictionary *opts;
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175
176 /* a pool of free buffers for decoded data */
177 FrameBuffer *buffer_pool;
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178} InputStream;
179
180typedef struct InputFile {
181 AVFormatContext *ctx;
182 int eof_reached; /* true if eof reached */
183 int ist_index; /* index of first stream in ist_table */
184 int buffer_size; /* current total buffer size */
185 int64_t ts_offset;
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186 int nb_streams; /* number of stream that avconv is aware of; may be different
187 from ctx.nb_streams if new streams appear during av_read_frame() */
f4805328 188 int rate_emu;
6494c001 189} InputFile;
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190
191typedef struct OutputStream {
192 int file_index; /* file index */
193 int index; /* stream index in the output file */
194 int source_index; /* InputStream index */
195 AVStream *st; /* stream in the output file */
196 int encoding_needed; /* true if encoding needed for this stream */
197 int frame_number;
198 /* input pts and corresponding output pts
199 for A/V sync */
7636c8c6 200 // double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
6291d7e4 201 struct InputStream *sync_ist; /* input stream to sync against */
7636c8c6 202 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
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203 AVBitStreamFilterContext *bitstream_filters;
204 AVCodec *enc;
96139b5e 205 int64_t max_frames;
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206
207 /* video only */
208 int video_resample;
209 AVFrame pict_tmp; /* temporary image for resampling */
210 struct SwsContext *img_resample_ctx; /* for image resampling */
211 int resample_height;
212 int resample_width;
213 int resample_pix_fmt;
214 AVRational frame_rate;
bef737a7 215 int force_fps;
828e0bcb 216 int top_field_first;
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217
218 float frame_aspect_ratio;
219
220 /* forced key frames */
221 int64_t *forced_kf_pts;
222 int forced_kf_count;
223 int forced_kf_index;
224
225 /* audio only */
226 int audio_resample;
227 ReSampleContext *resample; /* for audio resampling */
228 int resample_sample_fmt;
229 int resample_channels;
230 int resample_sample_rate;
231 int reformat_pair;
232 AVAudioConvert *reformat_ctx;
233 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
234 FILE *logfile;
235
236#if CONFIG_AVFILTER
237 AVFilterContext *output_video_filter;
238 AVFilterContext *input_video_filter;
239 AVFilterBufferRef *picref;
240 char *avfilter;
241 AVFilterGraph *graph;
242#endif
243
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244 int64_t sws_flags;
245 AVDictionary *opts;
246 int is_past_recording_time;
247 int stream_copy;
248 const char *attachment_filename;
249 int copy_initial_nonkeyframes;
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250} OutputStream;
251
6291d7e4 252
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253typedef struct OutputFile {
254 AVFormatContext *ctx;
255 AVDictionary *opts;
4288e031 256 int ost_index; /* index of the first stream in output_streams */
ef44a607 257 int64_t recording_time; /* desired length of the resulting file in microseconds */
ea065176 258 int64_t start_time; /* start time in microseconds */
f21f294e 259 uint64_t limit_filesize;
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260} OutputFile;
261
7636c8c6 262static InputStream *input_streams = NULL;
6291d7e4 263static int nb_input_streams = 0;
7636c8c6 264static InputFile *input_files = NULL;
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265static int nb_input_files = 0;
266
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267static OutputStream *output_streams = NULL;
268static int nb_output_streams = 0;
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269static OutputFile *output_files = NULL;
270static int nb_output_files = 0;
271
575ec4e1 272typedef struct OptionsContext {
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273 /* input/output options */
274 int64_t start_time;
7041bb3b 275 const char *format;
6b779ccc 276
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277 SpecifierOpt *codec_names;
278 int nb_codec_names;
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279 SpecifierOpt *audio_channels;
280 int nb_audio_channels;
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281 SpecifierOpt *audio_sample_rate;
282 int nb_audio_sample_rate;
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283 SpecifierOpt *frame_rates;
284 int nb_frame_rates;
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285 SpecifierOpt *frame_sizes;
286 int nb_frame_sizes;
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287 SpecifierOpt *frame_pix_fmts;
288 int nb_frame_pix_fmts;
35e6f8c1 289
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290 /* input options */
291 int64_t input_ts_offset;
f4805328 292 int rate_emu;
6b779ccc 293
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294 SpecifierOpt *ts_scale;
295 int nb_ts_scale;
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296 SpecifierOpt *dump_attachment;
297 int nb_dump_attachment;
33f75d72 298
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299 /* output options */
300 StreamMap *stream_maps;
301 int nb_stream_maps;
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302 /* first item specifies output metadata, second is input */
303 MetadataMap (*meta_data_maps)[2];
304 int nb_meta_data_maps;
305 int metadata_global_manual;
306 int metadata_streams_manual;
307 int metadata_chapters_manual;
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308 const char **attachments;
309 int nb_attachments;
6b779ccc 310
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311 int chapters_input_file;
312
6b779ccc 313 int64_t recording_time;
13ccba50 314 uint64_t limit_filesize;
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315 float mux_preload;
316 float mux_max_delay;
039267f1 317
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318 int video_disable;
319 int audio_disable;
320 int subtitle_disable;
321 int data_disable;
322
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323 /* indexed by output file stream index */
324 int *streamid_map;
325 int nb_streamid_map;
326
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327 SpecifierOpt *metadata;
328 int nb_metadata;
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329 SpecifierOpt *max_frames;
330 int nb_max_frames;
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331 SpecifierOpt *bitstream_filters;
332 int nb_bitstream_filters;
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333 SpecifierOpt *codec_tags;
334 int nb_codec_tags;
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335 SpecifierOpt *sample_fmts;
336 int nb_sample_fmts;
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337 SpecifierOpt *qscale;
338 int nb_qscale;
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339 SpecifierOpt *forced_key_frames;
340 int nb_forced_key_frames;
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341 SpecifierOpt *force_fps;
342 int nb_force_fps;
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343 SpecifierOpt *frame_aspect_ratios;
344 int nb_frame_aspect_ratios;
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345 SpecifierOpt *rc_overrides;
346 int nb_rc_overrides;
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347 SpecifierOpt *intra_matrices;
348 int nb_intra_matrices;
349 SpecifierOpt *inter_matrices;
350 int nb_inter_matrices;
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351 SpecifierOpt *top_field_first;
352 int nb_top_field_first;
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353 SpecifierOpt *metadata_map;
354 int nb_metadata_map;
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355 SpecifierOpt *presets;
356 int nb_presets;
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357 SpecifierOpt *copy_initial_nonkeyframes;
358 int nb_copy_initial_nonkeyframes;
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359#if CONFIG_AVFILTER
360 SpecifierOpt *filters;
361 int nb_filters;
362#endif
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363} OptionsContext;
364
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365#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
366{\
367 int i, ret;\
368 for (i = 0; i < o->nb_ ## name; i++) {\
369 char *spec = o->name[i].specifier;\
370 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
371 outvar = o->name[i].u.type;\
372 else if (ret < 0)\
373 exit_program(1);\
374 }\
375}
376
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377static void reset_options(OptionsContext *o)
378{
379 const OptionDef *po = options;
380
381 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
382 while (po->name) {
383 void *dst = (uint8_t*)o + po->u.off;
384
385 if (po->flags & OPT_SPEC) {
386 SpecifierOpt **so = dst;
387 int i, *count = (int*)(so + 1);
388 for (i = 0; i < *count; i++) {
389 av_freep(&(*so)[i].specifier);
390 if (po->flags & OPT_STRING)
391 av_freep(&(*so)[i].u.str);
392 }
393 av_freep(so);
394 *count = 0;
395 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
396 av_freep(dst);
397 po++;
398 }
399
400 av_freep(&o->stream_maps);
847529f8 401 av_freep(&o->meta_data_maps);
495ecfd1 402 av_freep(&o->streamid_map);
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403
404 memset(o, 0, sizeof(*o));
6b779ccc 405
dc26318c 406 o->mux_max_delay = 0.7;
6b779ccc 407 o->recording_time = INT64_MAX;
13ccba50 408 o->limit_filesize = UINT64_MAX;
c5bb372e 409 o->chapters_input_file = INT_MAX;
6b779ccc 410
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411 uninit_opts();
412 init_opts();
413}
414
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415static int alloc_buffer(InputStream *ist, FrameBuffer **pbuf)
416{
417 AVCodecContext *s = ist->st->codec;
418 FrameBuffer *buf = av_mallocz(sizeof(*buf));
419 int ret;
420 const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;
421 int h_chroma_shift, v_chroma_shift;
422 int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1
423 int w = s->width, h = s->height;
424
425 if (!buf)
426 return AVERROR(ENOMEM);
427
428 if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
429 w += 2*edge;
430 h += 2*edge;
431 }
432
433 avcodec_align_dimensions(s, &w, &h);
434 if ((ret = av_image_alloc(buf->base, buf->linesize, w, h,
435 s->pix_fmt, 32)) < 0) {
436 av_freep(&buf);
437 return ret;
438 }
439 /* XXX this shouldn't be needed, but some tests break without this line
440 * those decoders are buggy and need to be fixed.
441 * the following tests fail:
442 * bethsoft-vid, cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit
443 */
444 memset(buf->base[0], 128, ret);
445
446 avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
447 for (int i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
448 const int h_shift = i==0 ? 0 : h_chroma_shift;
449 const int v_shift = i==0 ? 0 : v_chroma_shift;
450 if (s->flags & CODEC_FLAG_EMU_EDGE)
451 buf->data[i] = buf->base[i];
452 else
453 buf->data[i] = buf->base[i] +
454 FFALIGN((buf->linesize[i]*edge >> v_shift) +
455 (pixel_size*edge >> h_shift), 32);
456 }
457 buf->w = s->width;
458 buf->h = s->height;
459 buf->pix_fmt = s->pix_fmt;
460 buf->ist = ist;
461
462 *pbuf = buf;
463 return 0;
464}
465
466static void free_buffer_pool(InputStream *ist)
467{
468 FrameBuffer *buf = ist->buffer_pool;
469 while (buf) {
470 ist->buffer_pool = buf->next;
471 av_freep(&buf->base[0]);
472 av_free(buf);
473 buf = ist->buffer_pool;
474 }
475}
476
477static void unref_buffer(InputStream *ist, FrameBuffer *buf)
478{
479 av_assert0(buf->refcount);
480 buf->refcount--;
481 if (!buf->refcount) {
482 buf->next = ist->buffer_pool;
483 ist->buffer_pool = buf;
484 }
485}
486
487static int codec_get_buffer(AVCodecContext *s, AVFrame *frame)
488{
489 InputStream *ist = s->opaque;
490 FrameBuffer *buf;
491 int ret, i;
492
493 if (!ist->buffer_pool && (ret = alloc_buffer(ist, &ist->buffer_pool)) < 0)
494 return ret;
495
496 buf = ist->buffer_pool;
497 ist->buffer_pool = buf->next;
498 buf->next = NULL;
499 if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) {
500 av_freep(&buf->base[0]);
501 av_free(buf);
502 if ((ret = alloc_buffer(ist, &buf)) < 0)
503 return ret;
504 }
505 buf->refcount++;
506
507 frame->opaque = buf;
508 frame->type = FF_BUFFER_TYPE_USER;
509 frame->extended_data = frame->data;
510 frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE;
511
512 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
513 frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't
514 frame->data[i] = buf->data[i];
515 frame->linesize[i] = buf->linesize[i];
516 }
517
518 return 0;
519}
520
521static void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
522{
523 InputStream *ist = s->opaque;
524 FrameBuffer *buf = frame->opaque;
525 int i;
526
527 for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
528 frame->data[i] = NULL;
529
530 unref_buffer(ist, buf);
531}
532
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533static void filter_release_buffer(AVFilterBuffer *fb)
534{
535 FrameBuffer *buf = fb->priv;
536 av_free(fb);
537 unref_buffer(buf->ist, buf);
538}
539
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540#if CONFIG_AVFILTER
541
542static int configure_video_filters(InputStream *ist, OutputStream *ost)
543{
544 AVFilterContext *last_filter, *filter;
545 /** filter graph containing all filters including input & output */
546 AVCodecContext *codec = ost->st->codec;
547 AVCodecContext *icodec = ist->st->codec;
548 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
549 AVRational sample_aspect_ratio;
550 char args[255];
551 int ret;
552
553 ost->graph = avfilter_graph_alloc();
554
7636c8c6 555 if (ist->st->sample_aspect_ratio.num) {
6291d7e4 556 sample_aspect_ratio = ist->st->sample_aspect_ratio;
7636c8c6 557 } else
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558 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
559
560 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
561 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
562 sample_aspect_ratio.num, sample_aspect_ratio.den);
563
564 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
565 "src", args, NULL, ost->graph);
566 if (ret < 0)
567 return ret;
568 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
569 "out", NULL, &ffsink_ctx, ost->graph);
570 if (ret < 0)
571 return ret;
572 last_filter = ost->input_video_filter;
573
7636c8c6 574 if (codec->width != icodec->width || codec->height != icodec->height) {
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575 snprintf(args, 255, "%d:%d:flags=0x%X",
576 codec->width,
577 codec->height,
3b3ea346 578 (unsigned)ost->sws_flags);
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579 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
580 NULL, args, NULL, ost->graph)) < 0)
581 return ret;
582 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
583 return ret;
584 last_filter = filter;
585 }
586
3b3ea346 587 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
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588 ost->graph->scale_sws_opts = av_strdup(args);
589
590 if (ost->avfilter) {
591 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
592 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
593
594 outputs->name = av_strdup("in");
595 outputs->filter_ctx = last_filter;
596 outputs->pad_idx = 0;
597 outputs->next = NULL;
598
599 inputs->name = av_strdup("out");
600 inputs->filter_ctx = ost->output_video_filter;
601 inputs->pad_idx = 0;
602 inputs->next = NULL;
603
604 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
605 return ret;
606 av_freep(&ost->avfilter);
607 } else {
608 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
609 return ret;
610 }
611
612 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
613 return ret;
614
615 codec->width = ost->output_video_filter->inputs[0]->w;
616 codec->height = ost->output_video_filter->inputs[0]->h;
617 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
bb337b4f 618 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
7636c8c6 619 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
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620 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
621
622 return 0;
623}
624#endif /* CONFIG_AVFILTER */
625
626static void term_exit(void)
627{
628 av_log(NULL, AV_LOG_QUIET, "");
629}
630
631static volatile int received_sigterm = 0;
632static volatile int received_nb_signals = 0;
633
634static void
635sigterm_handler(int sig)
636{
637 received_sigterm = sig;
638 received_nb_signals++;
639 term_exit();
640}
641
642static void term_init(void)
643{
7636c8c6 644 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
6291d7e4
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645 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
646#ifdef SIGXCPU
647 signal(SIGXCPU, sigterm_handler);
648#endif
649}
650
2abe947a 651static int decode_interrupt_cb(void *ctx)
6291d7e4
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652{
653 return received_nb_signals > 1;
654}
655
2abe947a
MS
656static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
657
dad09ff9 658void exit_program(int ret)
6291d7e4
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659{
660 int i;
661
662 /* close files */
7636c8c6 663 for (i = 0; i < nb_output_files; i++) {
af70aa45 664 AVFormatContext *s = output_files[i].ctx;
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665 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
666 avio_close(s->pb);
667 avformat_free_context(s);
af70aa45 668 av_dict_free(&output_files[i].opts);
6291d7e4 669 }
7636c8c6 670 for (i = 0; i < nb_input_files; i++) {
cd3716b9 671 avformat_close_input(&input_files[i].ctx);
6291d7e4 672 }
9179f27c
JR
673 for (i = 0; i < nb_input_streams; i++) {
674 av_freep(&input_streams[i].decoded_frame);
675 av_freep(&input_streams[i].filtered_frame);
6291d7e4 676 av_dict_free(&input_streams[i].opts);
64dca32c 677 free_buffer_pool(&input_streams[i]);
9179f27c 678 }
6291d7e4 679
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680 if (vstats_file)
681 fclose(vstats_file);
682 av_free(vstats_filename);
683
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684 av_freep(&input_streams);
685 av_freep(&input_files);
4288e031 686 av_freep(&output_streams);
af70aa45 687 av_freep(&output_files);
6291d7e4 688
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689 uninit_opts();
690 av_free(audio_buf);
691 av_free(audio_out);
7636c8c6 692 allocated_audio_buf_size = allocated_audio_out_size = 0;
6291d7e4
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693
694#if CONFIG_AVFILTER
695 avfilter_uninit();
696#endif
776f2bb9 697 avformat_network_deinit();
6291d7e4
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698
699 if (received_sigterm) {
e3245b26
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700 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
701 (int) received_sigterm);
6291d7e4
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702 exit (255);
703 }
704
f75e3d25 705 exit(ret);
6291d7e4
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706}
707
708static void assert_avoptions(AVDictionary *m)
709{
710 AVDictionaryEntry *t;
711 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
f24facd3 712 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
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713 exit_program(1);
714 }
715}
716
717static void assert_codec_experimental(AVCodecContext *c, int encoder)
718{
719 const char *codec_string = encoder ? "encoder" : "decoder";
720 AVCodec *codec;
721 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
722 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
f24facd3 723 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
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724 "results.\nAdd '-strict experimental' if you want to use it.\n",
725 codec_string, c->codec->name);
726 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
727 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
f24facd3 728 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
6291d7e4
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729 codec_string, codec->name);
730 exit_program(1);
731 }
732}
733
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734static void choose_sample_fmt(AVStream *st, AVCodec *codec)
735{
7636c8c6
AD
736 if (codec && codec->sample_fmts) {
737 const enum AVSampleFormat *p = codec->sample_fmts;
738 for (; *p != -1; p++) {
739 if (*p == st->codec->sample_fmt)
6291d7e4
AK
740 break;
741 }
742 if (*p == -1) {
743 av_log(NULL, AV_LOG_WARNING,
744 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
745 av_get_sample_fmt_name(st->codec->sample_fmt),
746 codec->name,
747 av_get_sample_fmt_name(codec->sample_fmts[0]));
748 st->codec->sample_fmt = codec->sample_fmts[0];
749 }
750 }
751}
752
753/**
754 * Update the requested input sample format based on the output sample format.
755 * This is currently only used to request float output from decoders which
756 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
757 * Ideally this will be removed in the future when decoders do not do format
758 * conversion and only output in their native format.
759 */
760static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
761 AVCodecContext *enc)
762{
763 /* if sample formats match or a decoder sample format has already been
764 requested, just return */
765 if (enc->sample_fmt == dec->sample_fmt ||
766 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
767 return;
768
769 /* if decoder supports more than one output format */
770 if (dec_codec && dec_codec->sample_fmts &&
771 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
772 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
773 const enum AVSampleFormat *p;
774 int min_dec = -1, min_inc = -1;
775
776 /* find a matching sample format in the encoder */
777 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
778 if (*p == enc->sample_fmt) {
779 dec->request_sample_fmt = *p;
780 return;
781 } else if (*p > enc->sample_fmt) {
782 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
783 } else
784 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
785 }
786
787 /* if none match, provide the one that matches quality closest */
788 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
789 enc->sample_fmt - min_dec;
790 }
791}
792
793static void choose_sample_rate(AVStream *st, AVCodec *codec)
794{
7636c8c6
AD
795 if (codec && codec->supported_samplerates) {
796 const int *p = codec->supported_samplerates;
797 int best = 0;
798 int best_dist = INT_MAX;
799 for (; *p; p++) {
800 int dist = abs(st->codec->sample_rate - *p);
801 if (dist < best_dist) {
802 best_dist = dist;
803 best = *p;
6291d7e4
AK
804 }
805 }
7636c8c6 806 if (best_dist) {
6291d7e4
AK
807 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
808 }
7636c8c6 809 st->codec->sample_rate = best;
6291d7e4
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810 }
811}
812
813static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
814{
7636c8c6
AD
815 if (codec && codec->pix_fmts) {
816 const enum PixelFormat *p = codec->pix_fmts;
817 if (st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
818 if (st->codec->codec_id == CODEC_ID_MJPEG) {
819 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
820 } else if (st->codec->codec_id == CODEC_ID_LJPEG) {
821 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
822 PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
6291d7e4
AK
823 }
824 }
105ab61c 825 for (; *p != PIX_FMT_NONE; p++) {
7636c8c6 826 if (*p == st->codec->pix_fmt)
6291d7e4
AK
827 break;
828 }
105ab61c 829 if (*p == PIX_FMT_NONE) {
7636c8c6 830 if (st->codec->pix_fmt != PIX_FMT_NONE)
6291d7e4 831 av_log(NULL, AV_LOG_WARNING,
7636c8c6
AD
832 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
833 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
834 codec->name,
835 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
6291d7e4
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836 st->codec->pix_fmt = codec->pix_fmts[0];
837 }
838 }
839}
840
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841static double
842get_sync_ipts(const OutputStream *ost)
843{
844 const InputStream *ist = ost->sync_ist;
ea065176 845 OutputFile *of = &output_files[ost->file_index];
7636c8c6 846 return (double)(ist->pts - of->start_time) / AV_TIME_BASE;
6291d7e4
AK
847}
848
7636c8c6
AD
849static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc)
850{
6291d7e4
AK
851 int ret;
852
7636c8c6
AD
853 while (bsfc) {
854 AVPacket new_pkt = *pkt;
855 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
856 &new_pkt.data, &new_pkt.size,
857 pkt->data, pkt->size,
858 pkt->flags & AV_PKT_FLAG_KEY);
859 if (a > 0) {
6291d7e4 860 av_free_packet(pkt);
7636c8c6
AD
861 new_pkt.destruct = av_destruct_packet;
862 } else if (a < 0) {
e3245b26
AK
863 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
864 bsfc->filter->name, pkt->stream_index,
865 avctx->codec ? avctx->codec->name : "copy");
6291d7e4
AK
866 print_error("", a);
867 if (exit_on_error)
868 exit_program(1);
869 }
7636c8c6 870 *pkt = new_pkt;
6291d7e4 871
7636c8c6 872 bsfc = bsfc->next;
6291d7e4
AK
873 }
874
7636c8c6
AD
875 ret = av_interleaved_write_frame(s, pkt);
876 if (ret < 0) {
6291d7e4
AK
877 print_error("av_interleaved_write_frame()", ret);
878 exit_program(1);
879 }
880}
881
fdab793a
AC
882static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
883{
884 int fill_char = 0x00;
885 if (sample_fmt == AV_SAMPLE_FMT_U8)
886 fill_char = 0x80;
887 memset(buf, fill_char, size);
888}
889
d1241ff3
JR
890static void do_audio_out(AVFormatContext *s, OutputStream *ost,
891 InputStream *ist, AVFrame *decoded_frame)
6291d7e4
AK
892{
893 uint8_t *buftmp;
894 int64_t audio_out_size, audio_buf_size;
6291d7e4
AK
895
896 int size_out, frame_bytes, ret, resample_changed;
7636c8c6
AD
897 AVCodecContext *enc = ost->st->codec;
898 AVCodecContext *dec = ist->st->codec;
6291d7e4
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899 int osize = av_get_bytes_per_sample(enc->sample_fmt);
900 int isize = av_get_bytes_per_sample(dec->sample_fmt);
901 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
d1241ff3
JR
902 uint8_t *buf = decoded_frame->data[0];
903 int size = decoded_frame->nb_samples * dec->channels * isize;
904 int64_t allocated_for_size = size;
6291d7e4
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905
906need_realloc:
7636c8c6
AD
907 audio_buf_size = (allocated_for_size + isize * dec->channels - 1) / (isize * dec->channels);
908 audio_buf_size = (audio_buf_size * enc->sample_rate + dec->sample_rate) / dec->sample_rate;
909 audio_buf_size = audio_buf_size * 2 + 10000; // safety factors for the deprecated resampling API
910 audio_buf_size = FFMAX(audio_buf_size, enc->frame_size);
911 audio_buf_size *= osize * enc->channels;
912
913 audio_out_size = FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
914 if (coded_bps > 8 * osize)
915 audio_out_size = audio_out_size * coded_bps / (8*osize);
6291d7e4
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916 audio_out_size += FF_MIN_BUFFER_SIZE;
917
7636c8c6 918 if (audio_out_size > INT_MAX || audio_buf_size > INT_MAX) {
e3245b26 919 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
6291d7e4
AK
920 exit_program(1);
921 }
922
923 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
924 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
7636c8c6 925 if (!audio_buf || !audio_out) {
e3245b26 926 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
6291d7e4
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927 exit_program(1);
928 }
929
930 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
931 ost->audio_resample = 1;
932
933 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
934 ost->resample_channels != dec->channels ||
935 ost->resample_sample_rate != dec->sample_rate;
936
937 if ((ost->audio_resample && !ost->resample) || resample_changed) {
938 if (resample_changed) {
9a414d89 939 av_log(NULL, AV_LOG_INFO, "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n",
6291d7e4
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940 ist->file_index, ist->st->index,
941 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
942 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
943 ost->resample_sample_fmt = dec->sample_fmt;
944 ost->resample_channels = dec->channels;
945 ost->resample_sample_rate = dec->sample_rate;
946 if (ost->resample)
947 audio_resample_close(ost->resample);
948 }
949 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
950 if (audio_sync_method <= 1 &&
951 ost->resample_sample_fmt == enc->sample_fmt &&
952 ost->resample_channels == enc->channels &&
953 ost->resample_sample_rate == enc->sample_rate) {
954 ost->resample = NULL;
955 ost->audio_resample = 0;
956 } else if (ost->audio_resample) {
957 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
e3245b26 958 av_log(NULL, AV_LOG_WARNING, "Using s16 intermediate sample format for resampling\n");
6291d7e4
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959 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
960 enc->sample_rate, dec->sample_rate,
961 enc->sample_fmt, dec->sample_fmt,
962 16, 10, 0, 0.8);
963 if (!ost->resample) {
e3245b26
AK
964 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
965 dec->channels, dec->sample_rate,
966 enc->channels, enc->sample_rate);
6291d7e4
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967 exit_program(1);
968 }
969 }
970 }
971
972#define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
7636c8c6
AD
973 if (!ost->audio_resample && dec->sample_fmt != enc->sample_fmt &&
974 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt) != ost->reformat_pair) {
6291d7e4
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975 if (ost->reformat_ctx)
976 av_audio_convert_free(ost->reformat_ctx);
977 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
978 dec->sample_fmt, 1, NULL, 0);
979 if (!ost->reformat_ctx) {
e3245b26
AK
980 av_log(NULL, AV_LOG_FATAL, "Cannot convert %s sample format to %s sample format\n",
981 av_get_sample_fmt_name(dec->sample_fmt),
982 av_get_sample_fmt_name(enc->sample_fmt));
6291d7e4
AK
983 exit_program(1);
984 }
7636c8c6 985 ost->reformat_pair = MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
6291d7e4
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986 }
987
7636c8c6
AD
988 if (audio_sync_method) {
989 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts -
990 av_fifo_size(ost->fifo) / (enc->channels * osize);
fdab793a
AC
991 int idelta = delta * dec->sample_rate / enc->sample_rate;
992 int byte_delta = idelta * isize * dec->channels;
6291d7e4 993
7636c8c6
AD
994 // FIXME resample delay
995 if (fabs(delta) > 50) {
996 if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) {
997 if (byte_delta < 0) {
998 byte_delta = FFMAX(byte_delta, -size);
6291d7e4
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999 size += byte_delta;
1000 buf -= byte_delta;
fdab793a
AC
1001 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
1002 -byte_delta / (isize * dec->channels));
7636c8c6 1003 if (!size)
6291d7e4 1004 return;
7636c8c6
AD
1005 ist->is_start = 0;
1006 } else {
1007 static uint8_t *input_tmp = NULL;
1008 input_tmp = av_realloc(input_tmp, byte_delta + size);
6291d7e4 1009
7636c8c6
AD
1010 if (byte_delta > allocated_for_size - size) {
1011 allocated_for_size = byte_delta + (int64_t)size;
6291d7e4
AK
1012 goto need_realloc;
1013 }
7636c8c6 1014 ist->is_start = 0;
6291d7e4 1015
fdab793a 1016 generate_silence(input_tmp, dec->sample_fmt, byte_delta);
6291d7e4 1017 memcpy(input_tmp + byte_delta, buf, size);
7636c8c6 1018 buf = input_tmp;
6291d7e4 1019 size += byte_delta;
fdab793a 1020 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
6291d7e4 1021 }
7636c8c6
AD
1022 } else if (audio_sync_method > 1) {
1023 int comp = av_clip(delta, -audio_sync_method, audio_sync_method);
6291d7e4 1024 av_assert0(ost->audio_resample);
e3245b26
AK
1025 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
1026 delta, comp, enc->sample_rate);
6291d7e4
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1027// 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));
1028 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
1029 }
1030 }
7636c8c6
AD
1031 } else
1032 ost->sync_opts = lrintf(get_sync_ipts(ost) * enc->sample_rate) -
1033 av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong
6291d7e4
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1034
1035 if (ost->audio_resample) {
1036 buftmp = audio_buf;
1037 size_out = audio_resample(ost->resample,
1038 (short *)buftmp, (short *)buf,
1039 size / (dec->channels * isize));
1040 size_out = size_out * enc->channels * osize;
1041 } else {
1042 buftmp = buf;
1043 size_out = size;
1044 }
1045
7636c8c6
AD
1046 if (!ost->audio_resample && dec->sample_fmt != enc->sample_fmt) {
1047 const void *ibuf[6] = { buftmp };
1048 void *obuf[6] = { audio_buf };
1049 int istride[6] = { isize };
1050 int ostride[6] = { osize };
1051 int len = size_out / istride[0];
1052 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len) < 0) {
6291d7e4
AK
1053 printf("av_audio_convert() failed\n");
1054 if (exit_on_error)
1055 exit_program(1);
1056 return;
1057 }
1058 buftmp = audio_buf;
7636c8c6 1059 size_out = len * osize;
6291d7e4
AK
1060 }
1061
1062 /* now encode as many frames as possible */
1063 if (enc->frame_size > 1) {
1064 /* output resampled raw samples */
1065 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
e3245b26 1066 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
6291d7e4
AK
1067 exit_program(1);
1068 }
1069 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
1070
1071 frame_bytes = enc->frame_size * osize * enc->channels;
1072
1073 while (av_fifo_size(ost->fifo) >= frame_bytes) {
1074 AVPacket pkt;
1075 av_init_packet(&pkt);
1076
1077 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
1078
7636c8c6 1079 // FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
6291d7e4
AK
1080
1081 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
1082 (short *)audio_buf);
1083 if (ret < 0) {
e3245b26 1084 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
6291d7e4
AK
1085 exit_program(1);
1086 }
1087 audio_size += ret;
7636c8c6
AD
1088 pkt.stream_index = ost->index;
1089 pkt.data = audio_out;
1090 pkt.size = ret;
1091 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1092 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
6291d7e4
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1093 pkt.flags |= AV_PKT_FLAG_KEY;
1094 write_frame(s, &pkt, enc, ost->bitstream_filters);
1095
1096 ost->sync_opts += enc->frame_size;
1097 }
1098 } else {
1099 AVPacket pkt;
1100 av_init_packet(&pkt);
1101
1102 ost->sync_opts += size_out / (osize * enc->channels);
1103
1104 /* output a pcm frame */
1105 /* determine the size of the coded buffer */
1106 size_out /= osize;
1107 if (coded_bps)
7636c8c6 1108 size_out = size_out * coded_bps / 8;
6291d7e4 1109
7636c8c6 1110 if (size_out > audio_out_size) {
e3245b26 1111 av_log(NULL, AV_LOG_FATAL, "Internal error, buffer size too small\n");
6291d7e4
AK
1112 exit_program(1);
1113 }
1114
7636c8c6 1115 // FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
6291d7e4
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1116 ret = avcodec_encode_audio(enc, audio_out, size_out,
1117 (short *)buftmp);
1118 if (ret < 0) {
e3245b26 1119 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
6291d7e4
AK
1120 exit_program(1);
1121 }
1122 audio_size += ret;
7636c8c6
AD
1123 pkt.stream_index = ost->index;
1124 pkt.data = audio_out;
1125 pkt.size = ret;
1126 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1127 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
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1128 pkt.flags |= AV_PKT_FLAG_KEY;
1129 write_frame(s, &pkt, enc, ost->bitstream_filters);
1130 }
1131}
1132
1133static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1134{
1135 AVCodecContext *dec;
1136 AVPicture *picture2;
1137 AVPicture picture_tmp;
1138 uint8_t *buf = 0;
1139
1140 dec = ist->st->codec;
1141
1142 /* deinterlace : must be done before any resize */
1143 if (do_deinterlace) {
1144 int size;
1145
1146 /* create temporary picture */
1147 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
7636c8c6 1148 buf = av_malloc(size);
6291d7e4
AK
1149 if (!buf)
1150 return;
1151
1152 picture2 = &picture_tmp;
1153 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1154
7636c8c6 1155 if (avpicture_deinterlace(picture2, picture,
6291d7e4
AK
1156 dec->pix_fmt, dec->width, dec->height) < 0) {
1157 /* if error, do not deinterlace */
e3245b26 1158 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
6291d7e4
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1159 av_free(buf);
1160 buf = NULL;
1161 picture2 = picture;
1162 }
1163 } else {
1164 picture2 = picture;
1165 }
1166
1167 if (picture != picture2)
1168 *picture = *picture2;
1169 *bufp = buf;
1170}
1171
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1172static void do_subtitle_out(AVFormatContext *s,
1173 OutputStream *ost,
1174 InputStream *ist,
1175 AVSubtitle *sub,
1176 int64_t pts)
1177{
1178 static uint8_t *subtitle_out = NULL;
1179 int subtitle_out_max_size = 1024 * 1024;
1180 int subtitle_out_size, nb, i;
1181 AVCodecContext *enc;
1182 AVPacket pkt;
1183
1184 if (pts == AV_NOPTS_VALUE) {
e3245b26 1185 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
6291d7e4
AK
1186 if (exit_on_error)
1187 exit_program(1);
1188 return;
1189 }
1190
1191 enc = ost->st->codec;
1192
1193 if (!subtitle_out) {
1194 subtitle_out = av_malloc(subtitle_out_max_size);
1195 }
1196
1197 /* Note: DVB subtitle need one packet to draw them and one other
1198 packet to clear them */
1199 /* XXX: signal it in the codec context ? */
1200 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1201 nb = 2;
1202 else
1203 nb = 1;
1204
7636c8c6 1205 for (i = 0; i < nb; i++) {
6291d7e4
AK
1206 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1207 // start_display_time is required to be 0
7636c8c6
AD
1208 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1209 sub->end_display_time -= sub->start_display_time;
6291d7e4
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1210 sub->start_display_time = 0;
1211 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1212 subtitle_out_max_size, sub);
1213 if (subtitle_out_size < 0) {
e3245b26 1214 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
6291d7e4
AK
1215 exit_program(1);
1216 }
1217
1218 av_init_packet(&pkt);
1219 pkt.stream_index = ost->index;
1220 pkt.data = subtitle_out;
1221 pkt.size = subtitle_out_size;
7636c8c6 1222 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
6291d7e4
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1223 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1224 /* XXX: the pts correction is handled here. Maybe handling
1225 it in the codec would be better */
1226 if (i == 0)
1227 pkt.pts += 90 * sub->start_display_time;
1228 else
1229 pkt.pts += 90 * sub->end_display_time;
1230 }
1231 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1232 }
1233}
1234
7636c8c6
AD
1235static int bit_buffer_size = 1024 * 256;
1236static uint8_t *bit_buffer = NULL;
6291d7e4 1237
87ef060c
AC
1238static void do_video_resample(OutputStream *ost,
1239 InputStream *ist,
1240 AVFrame *in_picture,
1241 AVFrame **out_picture)
6291d7e4 1242{
87ef060c
AC
1243 int resample_changed = 0;
1244 AVCodecContext *dec = ist->st->codec;
1245 *out_picture = in_picture;
6291d7e4
AK
1246
1247 resample_changed = ost->resample_width != dec->width ||
1248 ost->resample_height != dec->height ||
1249 ost->resample_pix_fmt != dec->pix_fmt;
1250
1251 if (resample_changed) {
1252 av_log(NULL, AV_LOG_INFO,
9a414d89 1253 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
6291d7e4
AK
1254 ist->file_index, ist->st->index,
1255 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1256 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
7636c8c6 1257 if (!ost->video_resample)
5c59fa56 1258 ost->video_resample = 1;
6291d7e4
AK
1259 }
1260
1261#if !CONFIG_AVFILTER
1262 if (ost->video_resample) {
87ef060c 1263 *out_picture = &ost->pict_tmp;
6291d7e4
AK
1264 if (resample_changed) {
1265 /* initialize a new scaler context */
1266 sws_freeContext(ost->img_resample_ctx);
1267 ost->img_resample_ctx = sws_getContext(
1268 ist->st->codec->width,
1269 ist->st->codec->height,
1270 ist->st->codec->pix_fmt,
1271 ost->st->codec->width,
1272 ost->st->codec->height,
1273 ost->st->codec->pix_fmt,
1274 ost->sws_flags, NULL, NULL, NULL);
1275 if (ost->img_resample_ctx == NULL) {
e3245b26 1276 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
6291d7e4
AK
1277 exit_program(1);
1278 }
1279 }
87ef060c
AC
1280 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1281 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
6291d7e4 1282 }
428c59d9
K
1283#else
1284 if (resample_changed) {
1285 avfilter_graph_free(&ost->graph);
1286 if (configure_video_filters(ist, ost)) {
e3245b26 1287 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
428c59d9
K
1288 exit_program(1);
1289 }
1290 }
6291d7e4 1291#endif
428c59d9
K
1292 if (resample_changed) {
1293 ost->resample_width = dec->width;
1294 ost->resample_height = dec->height;
1295 ost->resample_pix_fmt = dec->pix_fmt;
1296 }
87ef060c
AC
1297}
1298
1299
1300static void do_video_out(AVFormatContext *s,
1301 OutputStream *ost,
1302 InputStream *ist,
1303 AVFrame *in_picture,
1304 int *frame_size, float quality)
1305{
553735f5 1306 int nb_frames, i, ret, format_video_sync;
87ef060c 1307 AVFrame *final_picture;
f593628e 1308 AVCodecContext *enc;
87ef060c
AC
1309 double sync_ipts;
1310
1311 enc = ost->st->codec;
87ef060c
AC
1312
1313 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1314
1315 /* by default, we output a single frame */
1316 nb_frames = 1;
1317
1318 *frame_size = 0;
1319
553735f5
AC
1320 format_video_sync = video_sync_method;
1321 if (format_video_sync < 0)
e1edfbcb
AK
1322 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? 0 :
1323 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
553735f5
AC
1324
1325 if (format_video_sync) {
87ef060c 1326 double vdelta = sync_ipts - ost->sync_opts;
7636c8c6 1327 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
87ef060c
AC
1328 if (vdelta < -1.1)
1329 nb_frames = 0;
553735f5 1330 else if (format_video_sync == 2) {
7636c8c6
AD
1331 if (vdelta <= -0.6) {
1332 nb_frames = 0;
1333 } else if (vdelta > 0.6)
1334 ost->sync_opts = lrintf(sync_ipts);
1335 } else if (vdelta > 1.1)
87ef060c
AC
1336 nb_frames = lrintf(vdelta);
1337//fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
7636c8c6 1338 if (nb_frames == 0) {
87ef060c 1339 ++nb_frames_drop;
e3245b26 1340 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
7636c8c6 1341 } else if (nb_frames > 1) {
87ef060c 1342 nb_frames_dup += nb_frames - 1;
7636c8c6 1343 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
87ef060c 1344 }
7636c8c6
AD
1345 } else
1346 ost->sync_opts = lrintf(sync_ipts);
87ef060c 1347
96139b5e 1348 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
87ef060c
AC
1349 if (nb_frames <= 0)
1350 return;
1351
1352 do_video_resample(ost, ist, in_picture, &final_picture);
6291d7e4
AK
1353
1354 /* duplicates frame if needed */
7636c8c6 1355 for (i = 0; i < nb_frames; i++) {
6291d7e4
AK
1356 AVPacket pkt;
1357 av_init_packet(&pkt);
7636c8c6 1358 pkt.stream_index = ost->index;
6291d7e4 1359
150ddbc1
MR
1360 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1361 enc->codec->id == CODEC_ID_RAWVIDEO) {
6291d7e4 1362 /* raw pictures are written as AVPicture structure to
bb337b4f 1363 avoid any copies. We support temporarily the older
6291d7e4 1364 method. */
f593628e
AC
1365 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1366 enc->coded_frame->top_field_first = in_picture->top_field_first;
7636c8c6
AD
1367 pkt.data = (uint8_t *)final_picture;
1368 pkt.size = sizeof(AVPicture);
1369 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
6291d7e4
AK
1370 pkt.flags |= AV_PKT_FLAG_KEY;
1371
1372 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
6291d7e4
AK
1373 } else {
1374 AVFrame big_picture;
1375
7636c8c6 1376 big_picture = *final_picture;
6291d7e4
AK
1377 /* better than nothing: use input picture interlaced
1378 settings */
1379 big_picture.interlaced_frame = in_picture->interlaced_frame;
1380 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
828e0bcb 1381 if (ost->top_field_first == -1)
6291d7e4
AK
1382 big_picture.top_field_first = in_picture->top_field_first;
1383 else
828e0bcb 1384 big_picture.top_field_first = !!ost->top_field_first;
6291d7e4
AK
1385 }
1386
f4ad238c 1387 /* handles same_quant here. This is not correct because it may
6291d7e4
AK
1388 not be a global option */
1389 big_picture.quality = quality;
d242d80e 1390 if (!enc->me_threshold)
6291d7e4
AK
1391 big_picture.pict_type = 0;
1392// big_picture.pts = AV_NOPTS_VALUE;
7636c8c6 1393 big_picture.pts = ost->sync_opts;
6291d7e4 1394// big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
7636c8c6 1395// av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
6291d7e4
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1396 if (ost->forced_kf_index < ost->forced_kf_count &&
1397 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1398 big_picture.pict_type = AV_PICTURE_TYPE_I;
1399 ost->forced_kf_index++;
1400 }
1401 ret = avcodec_encode_video(enc,
1402 bit_buffer, bit_buffer_size,
1403 &big_picture);
1404 if (ret < 0) {
e3245b26 1405 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
6291d7e4
AK
1406 exit_program(1);
1407 }
1408
7636c8c6
AD
1409 if (ret > 0) {
1410 pkt.data = bit_buffer;
1411 pkt.size = ret;
1412 if (enc->coded_frame->pts != AV_NOPTS_VALUE)
1413 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
6291d7e4
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1414/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1415 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1416 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1417
7636c8c6 1418 if (enc->coded_frame->key_frame)
6291d7e4
AK
1419 pkt.flags |= AV_PKT_FLAG_KEY;
1420 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1421 *frame_size = ret;
1422 video_size += ret;
7636c8c6
AD
1423 // fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1424 // enc->frame_number-1, ret, enc->pict_type);
6291d7e4
AK
1425 /* if two pass, output log */
1426 if (ost->logfile && enc->stats_out) {
1427 fprintf(ost->logfile, "%s", enc->stats_out);
1428 }
1429 }
1430 }
1431 ost->sync_opts++;
1432 ost->frame_number++;
1433 }
1434}
1435
7636c8c6
AD
1436static double psnr(double d)
1437{
1438 return -10.0 * log(d) / log(10.0);
6291d7e4
AK
1439}
1440
1441static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1442 int frame_size)
1443{
1444 AVCodecContext *enc;
1445 int frame_number;
1446 double ti1, bitrate, avg_bitrate;
1447
1448 /* this is executed just the first time do_video_stats is called */
1449 if (!vstats_file) {
1450 vstats_file = fopen(vstats_filename, "w");
1451 if (!vstats_file) {
1452 perror("fopen");
1453 exit_program(1);
1454 }
1455 }
1456
1457 enc = ost->st->codec;
1458 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1459 frame_number = ost->frame_number;
7636c8c6 1460 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
6291d7e4 1461 if (enc->flags&CODEC_FLAG_PSNR)
7636c8c6 1462 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
6291d7e4
AK
1463
1464 fprintf(vstats_file,"f_size= %6d ", frame_size);
1465 /* compute pts value */
1466 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1467 if (ti1 < 0.01)
1468 ti1 = 0.01;
1469
7636c8c6 1470 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
6291d7e4
AK
1471 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1472 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
7636c8c6 1473 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
6291d7e4
AK
1474 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1475 }
1476}
1477
af70aa45 1478static void print_report(OutputFile *output_files,
4288e031 1479 OutputStream *ost_table, int nb_ostreams,
c5ad2c2c 1480 int is_last_report, int64_t timer_start)
6291d7e4
AK
1481{
1482 char buf[1024];
1483 OutputStream *ost;
1484 AVFormatContext *oc;
1485 int64_t total_size;
1486 AVCodecContext *enc;
1487 int frame_number, vid, i;
1488 double bitrate, ti1, pts;
1489 static int64_t last_time = -1;
1490 static int qp_histogram[52];
1491
3460dd8a
AK
1492 if (!print_stats && !is_last_report)
1493 return;
1494
6291d7e4
AK
1495 if (!is_last_report) {
1496 int64_t cur_time;
1497 /* display the report every 0.5 seconds */
1498 cur_time = av_gettime();
1499 if (last_time == -1) {
1500 last_time = cur_time;
1501 return;
1502 }
1503 if ((cur_time - last_time) < 500000)
1504 return;
1505 last_time = cur_time;
1506 }
1507
1508
af70aa45 1509 oc = output_files[0].ctx;
6291d7e4
AK
1510
1511 total_size = avio_size(oc->pb);
7636c8c6
AD
1512 if (total_size < 0) // FIXME improve avio_size() so it works with non seekable output too
1513 total_size = avio_tell(oc->pb);
6291d7e4
AK
1514
1515 buf[0] = '\0';
1516 ti1 = 1e10;
1517 vid = 0;
7636c8c6 1518 for (i = 0; i < nb_ostreams; i++) {
6291d7e4 1519 float q = -1;
4288e031 1520 ost = &ost_table[i];
6291d7e4 1521 enc = ost->st->codec;
3d813e4c 1522 if (!ost->stream_copy && enc->coded_frame)
7636c8c6 1523 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
6291d7e4
AK
1524 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1525 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1526 }
1527 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
7636c8c6 1528 float t = (av_gettime() - timer_start) / 1000000.0;
6291d7e4
AK
1529
1530 frame_number = ost->frame_number;
1531 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
7636c8c6
AD
1532 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
1533 if (is_last_report)
6291d7e4 1534 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
7636c8c6 1535 if (qp_hist) {
6291d7e4
AK
1536 int j;
1537 int qp = lrintf(q);
7636c8c6 1538 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
6291d7e4 1539 qp_histogram[qp]++;
7636c8c6
AD
1540 for (j = 0; j < 32; j++)
1541 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
6291d7e4 1542 }
7636c8c6 1543 if (enc->flags&CODEC_FLAG_PSNR) {
6291d7e4 1544 int j;
7636c8c6
AD
1545 double error, error_sum = 0;
1546 double scale, scale_sum = 0;
1547 char type[3] = { 'Y','U','V' };
6291d7e4 1548 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
7636c8c6
AD
1549 for (j = 0; j < 3; j++) {
1550 if (is_last_report) {
1551 error = enc->error[j];
1552 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1553 } else {
1554 error = enc->coded_frame->error[j];
1555 scale = enc->width * enc->height * 255.0 * 255.0;
6291d7e4 1556 }
7636c8c6
AD
1557 if (j)
1558 scale /= 4;
6291d7e4
AK
1559 error_sum += error;
1560 scale_sum += scale;
7636c8c6 1561 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
6291d7e4 1562 }
7636c8c6 1563 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
6291d7e4
AK
1564 }
1565 vid = 1;
1566 }
1567 /* compute min output value */
1568 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1569 if ((pts < ti1) && (pts > 0))
1570 ti1 = pts;
1571 }
1572 if (ti1 < 0.01)
1573 ti1 = 0.01;
1574
e3245b26 1575 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
6291d7e4 1576
e3245b26 1577 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
6291d7e4
AK
1578 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1579 (double)total_size / 1024, ti1, bitrate);
1580
e3245b26
AK
1581 if (nb_frames_dup || nb_frames_drop)
1582 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1583 nb_frames_dup, nb_frames_drop);
6291d7e4 1584
f5646a32 1585 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
6291d7e4 1586
e3245b26 1587 fflush(stderr);
6291d7e4 1588
e3245b26 1589 if (is_last_report) {
6291d7e4 1590 int64_t raw= audio_size + video_size + extra_size;
e3245b26
AK
1591 av_log(NULL, AV_LOG_INFO, "\n");
1592 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
7636c8c6
AD
1593 video_size / 1024.0,
1594 audio_size / 1024.0,
1595 extra_size / 1024.0,
1596 100.0 * (total_size - raw) / raw
6291d7e4
AK
1597 );
1598 }
1599}
1600
b62b5cb6 1601static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
4a4ce2e7
AK
1602{
1603 int i, ret;
1604
1605 for (i = 0; i < nb_ostreams; i++) {
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1606 OutputStream *ost = &ost_table[i];
1607 AVCodecContext *enc = ost->st->codec;
1608 AVFormatContext *os = output_files[ost->file_index].ctx;
1609
b62b5cb6 1610 if (!ost->encoding_needed)
6f1c66d5
AK
1611 continue;
1612
7636c8c6 1613 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
6f1c66d5 1614 continue;
150ddbc1 1615 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
6f1c66d5
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1616 continue;
1617
7636c8c6 1618 for (;;) {
6f1c66d5
AK
1619 AVPacket pkt;
1620 int fifo_bytes;
1621 av_init_packet(&pkt);
7636c8c6 1622 pkt.stream_index = ost->index;
6f1c66d5
AK
1623
1624 switch (ost->st->codec->codec_type) {
1625 case AVMEDIA_TYPE_AUDIO:
1626 fifo_bytes = av_fifo_size(ost->fifo);
1627 ret = 0;
1628 /* encode any samples remaining in fifo */
1629 if (fifo_bytes > 0) {
1630 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1631 int fs_tmp = enc->frame_size;
1632
1633 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1634 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1635 enc->frame_size = fifo_bytes / (osize * enc->channels);
1636 } else { /* pad */
1637 int frame_bytes = enc->frame_size*osize*enc->channels;
1638 if (allocated_audio_buf_size < frame_bytes)
4a4ce2e7 1639 exit_program(1);
6f1c66d5 1640 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
4a4ce2e7
AK
1641 }
1642
6f1c66d5
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1643 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1644 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1645 ost->st->time_base.num, enc->sample_rate);
1646 enc->frame_size = fs_tmp;
1647 }
1648 if (ret <= 0) {
1649 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
4a4ce2e7 1650 }
6f1c66d5 1651 if (ret < 0) {
e3245b26 1652 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
6f1c66d5
AK
1653 exit_program(1);
1654 }
1655 audio_size += ret;
7636c8c6 1656 pkt.flags |= AV_PKT_FLAG_KEY;
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AK
1657 break;
1658 case AVMEDIA_TYPE_VIDEO:
1659 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1660 if (ret < 0) {
e3245b26 1661 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
6f1c66d5
AK
1662 exit_program(1);
1663 }
1664 video_size += ret;
7636c8c6 1665 if (enc->coded_frame && enc->coded_frame->key_frame)
6f1c66d5
AK
1666 pkt.flags |= AV_PKT_FLAG_KEY;
1667 if (ost->logfile && enc->stats_out) {
1668 fprintf(ost->logfile, "%s", enc->stats_out);
1669 }
1670 break;
1671 default:
7636c8c6 1672 ret = -1;
4a4ce2e7 1673 }
6f1c66d5
AK
1674
1675 if (ret <= 0)
1676 break;
1677 pkt.data = bit_buffer;
1678 pkt.size = ret;
1679 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
7636c8c6 1680 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
6f1c66d5 1681 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
4a4ce2e7
AK
1682 }
1683 }
1684}
1685
7204ec1a
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1686/*
1687 * Check whether a packet from ist should be written into ost at this time
1688 */
1689static int check_output_constraints(InputStream *ist, OutputStream *ost)
1690{
1691 OutputFile *of = &output_files[ost->file_index];
1692 int ist_index = ist - input_streams;
1693
1694 if (ost->source_index != ist_index)
1695 return 0;
1696
1697 if (of->start_time && ist->pts < of->start_time)
1698 return 0;
1699
1700 if (of->recording_time != INT64_MAX &&
1701 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
7636c8c6 1702 (AVRational){ 1, 1000000 }) >= 0) {
7204ec1a
AK
1703 ost->is_past_recording_time = 1;
1704 return 0;
1705 }
1706
1707 return 1;
1708}
1709
1710static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1711{
1712 OutputFile *of = &output_files[ost->file_index];
1713 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1714 AVPacket opkt;
1715
1716 av_init_packet(&opkt);
1717
1718 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1719 !ost->copy_initial_nonkeyframes)
1720 return;
1721
1722 /* force the input stream PTS */
1723 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1724 audio_size += pkt->size;
1725 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1726 video_size += pkt->size;
1727 ost->sync_opts++;
1728 }
1729
1730 opkt.stream_index = ost->index;
1731 if (pkt->pts != AV_NOPTS_VALUE)
1732 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1733 else
1734 opkt.pts = AV_NOPTS_VALUE;
1735
1736 if (pkt->dts == AV_NOPTS_VALUE)
1737 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1738 else
1739 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1740 opkt.dts -= ost_tb_start_time;
1741
1742 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1743 opkt.flags = pkt->flags;
1744
7636c8c6
AD
1745 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1746 if ( ost->st->codec->codec_id != CODEC_ID_H264
7204ec1a
AK
1747 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1748 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1749 ) {
1750 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1751 opkt.destruct = av_destruct_packet;
1752 } else {
1753 opkt.data = pkt->data;
1754 opkt.size = pkt->size;
1755 }
1756
1757 write_frame(of->ctx, &opkt, ost->st->codec, ost->bitstream_filters);
1758 ost->st->codec->frame_number++;
1759 ost->frame_number++;
1760 av_free_packet(&opkt);
1761}
1762
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AK
1763static void rate_emu_sleep(InputStream *ist)
1764{
1765 if (input_files[ist->file_index].rate_emu) {
1766 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1767 int64_t now = av_gettime() - ist->start;
1768 if (pts > now)
1769 usleep(pts - now);
1770 }
1771}
1772
ded28ba3
AK
1773static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1774{
d1241ff3
JR
1775 AVFrame *decoded_frame;
1776 AVCodecContext *avctx = ist->st->codec;
ded28ba3 1777 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
ded28ba3
AK
1778 int i, ret;
1779
9179f27c 1780 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
d1241ff3 1781 return AVERROR(ENOMEM);
9179f27c
JR
1782 else
1783 avcodec_get_frame_defaults(ist->decoded_frame);
1784 decoded_frame = ist->decoded_frame;
ded28ba3 1785
d1241ff3
JR
1786 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1787 if (ret < 0) {
ded28ba3 1788 return ret;
d1241ff3 1789 }
ded28ba3 1790
ded28ba3
AK
1791 if (!*got_output) {
1792 /* no audio frame */
af8ad892 1793 return ret;
ded28ba3
AK
1794 }
1795
d1241ff3
JR
1796 /* if the decoder provides a pts, use it instead of the last packet pts.
1797 the decoder could be delaying output by a packet or more. */
1798 if (decoded_frame->pts != AV_NOPTS_VALUE)
1799 ist->next_pts = decoded_frame->pts;
1800
1801 /* increment next_pts to use for the case where the input stream does not
1802 have timestamps or there are multiple frames in the packet */
1803 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1804 avctx->sample_rate;
ded28ba3
AK
1805
1806 // preprocess audio (volume)
1807 if (audio_volume != 256) {
d1241ff3
JR
1808 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
1809 void *samples = decoded_frame->data[0];
1810 switch (avctx->sample_fmt) {
ded28ba3
AK
1811 case AV_SAMPLE_FMT_U8:
1812 {
1813 uint8_t *volp = samples;
1814 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1815 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1816 *volp++ = av_clip_uint8(v);
1817 }
1818 break;
1819 }
1820 case AV_SAMPLE_FMT_S16:
1821 {
1822 int16_t *volp = samples;
1823 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1824 int v = ((*volp) * audio_volume + 128) >> 8;
1825 *volp++ = av_clip_int16(v);
1826 }
1827 break;
1828 }
1829 case AV_SAMPLE_FMT_S32:
1830 {
1831 int32_t *volp = samples;
1832 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1833 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1834 *volp++ = av_clipl_int32(v);
1835 }
1836 break;
1837 }
1838 case AV_SAMPLE_FMT_FLT:
1839 {
1840 float *volp = samples;
1841 float scale = audio_volume / 256.f;
1842 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1843 *volp++ *= scale;
1844 }
1845 break;
1846 }
1847 case AV_SAMPLE_FMT_DBL:
1848 {
1849 double *volp = samples;
1850 double scale = audio_volume / 256.;
1851 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1852 *volp++ *= scale;
1853 }
1854 break;
1855 }
1856 default:
1857 av_log(NULL, AV_LOG_FATAL,
1858 "Audio volume adjustment on sample format %s is not supported.\n",
1859 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1860 exit_program(1);
1861 }
1862 }
1863
1864 rate_emu_sleep(ist);
1865
1866 for (i = 0; i < nb_output_streams; i++) {
1867 OutputStream *ost = &output_streams[i];
1868
1869 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1870 continue;
d1241ff3 1871 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
ded28ba3 1872 }
110d2af2 1873
af8ad892 1874 return ret;
ded28ba3
AK
1875}
1876
45d4b66f
AK
1877static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
1878{
1879 AVFrame *decoded_frame, *filtered_frame = NULL;
1880 void *buffer_to_free = NULL;
1881 int i, ret = 0;
1882 float quality;
1883#if CONFIG_AVFILTER
1884 int frame_available = 1;
1885#endif
1886
9179f27c 1887 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
45d4b66f 1888 return AVERROR(ENOMEM);
9179f27c
JR
1889 else
1890 avcodec_get_frame_defaults(ist->decoded_frame);
1891 decoded_frame = ist->decoded_frame;
45d4b66f
AK
1892 pkt->pts = *pkt_pts;
1893 pkt->dts = ist->pts;
1894 *pkt_pts = AV_NOPTS_VALUE;
1895
1896 ret = avcodec_decode_video2(ist->st->codec,
1897 decoded_frame, got_output, pkt);
1898 if (ret < 0)
9179f27c 1899 return ret;
45d4b66f
AK
1900
1901 quality = same_quant ? decoded_frame->quality : 0;
1902 if (!*got_output) {
1903 /* no picture yet */
af8ad892 1904 return ret;
45d4b66f
AK
1905 }
1906 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1907 decoded_frame->pkt_dts);
741a05a2
AK
1908 if (pkt->duration)
1909 ist->next_pts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
1910 else if (ist->st->codec->time_base.num != 0) {
45d4b66f
AK
1911 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
1912 ist->st->codec->ticks_per_frame;
1913 ist->next_pts += ((int64_t)AV_TIME_BASE *
1914 ist->st->codec->time_base.num * ticks) /
1915 ist->st->codec->time_base.den;
1916 }
1917 pkt->size = 0;
1918 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1919
1920 rate_emu_sleep(ist);
1921
1922 for (i = 0; i < nb_output_streams; i++) {
1923 OutputStream *ost = &output_streams[i];
1924 int frame_size;
1925
1926 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1927 continue;
1928
1929#if CONFIG_AVFILTER
04a14d4d
AK
1930 if (ist->st->sample_aspect_ratio.num)
1931 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1932 if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) {
1933 FrameBuffer *buf = decoded_frame->opaque;
1934 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
1935 decoded_frame->data, decoded_frame->linesize,
1936 AV_PERM_READ | AV_PERM_PRESERVE,
1937 ist->st->codec->width, ist->st->codec->height,
1938 ist->st->codec->pix_fmt);
1939
1940 avfilter_copy_frame_props(fb, decoded_frame);
1941 fb->pts = ist->pts;
1942 fb->buf->priv = buf;
1943 fb->buf->free = filter_release_buffer;
1944
1945 buf->refcount++;
1946 av_buffersrc_buffer(ost->input_video_filter, fb);
1947 } else
1948 av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame,
1949 ist->pts, decoded_frame->sample_aspect_ratio);
1950
1951 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
1952 av_free(buffer_to_free);
1953 return AVERROR(ENOMEM);
1954 } else
1955 avcodec_get_frame_defaults(ist->filtered_frame);
1956 filtered_frame = ist->filtered_frame;
1957
1958 frame_available = avfilter_poll_frame(ost->output_video_filter->inputs[0]);
45d4b66f
AK
1959 while (frame_available) {
1960 AVRational ist_pts_tb;
1961 if (ost->output_video_filter)
1962 get_filtered_video_frame(ost->output_video_filter, filtered_frame, &ost->picref, &ist_pts_tb);
1963 if (ost->picref)
1964 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1965 if (ost->picref->video && !ost->frame_aspect_ratio)
1966 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1967#else
1968 filtered_frame = decoded_frame;
1969#endif
1970
1971 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame, &frame_size,
1972 same_quant ? quality : ost->st->codec->global_quality);
1973 if (vstats_filename && frame_size)
1974 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
1975#if CONFIG_AVFILTER
1976 frame_available = ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1977 if (ost->picref)
1978 avfilter_unref_buffer(ost->picref);
1979 }
45d4b66f
AK
1980#endif
1981 }
1982
45d4b66f 1983 av_free(buffer_to_free);
45d4b66f
AK
1984 return ret;
1985}
1986
9595234c
AK
1987static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1988{
1989 AVSubtitle subtitle;
1990 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1991 &subtitle, got_output, pkt);
1992 if (ret < 0)
1993 return ret;
1994 if (!*got_output)
af8ad892 1995 return ret;
9595234c
AK
1996
1997 rate_emu_sleep(ist);
1998
1999 for (i = 0; i < nb_output_streams; i++) {
2000 OutputStream *ost = &output_streams[i];
2001
2002 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2003 continue;
2004
2005 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
2006 }
2007
2008 avsubtitle_free(&subtitle);
af8ad892 2009 return ret;
9595234c
AK
2010}
2011
6291d7e4 2012/* pkt = NULL means EOF (needed to flush decoder buffers) */
06d4e2fa 2013static int output_packet(InputStream *ist,
4288e031 2014 OutputStream *ost_table, int nb_ostreams,
6291d7e4
AK
2015 const AVPacket *pkt)
2016{
ffa0674e 2017 int i;
6291d7e4 2018 int got_output;
6291d7e4 2019 int64_t pkt_pts = AV_NOPTS_VALUE;
6291d7e4 2020 AVPacket avpkt;
6291d7e4 2021
8b0268a8
AK
2022 if (ist->next_pts == AV_NOPTS_VALUE)
2023 ist->next_pts = ist->pts;
6291d7e4
AK
2024
2025 if (pkt == NULL) {
2026 /* EOF handling */
2027 av_init_packet(&avpkt);
2028 avpkt.data = NULL;
2029 avpkt.size = 0;
2030 goto handle_eof;
2031 } else {
2032 avpkt = *pkt;
2033 }
2034
7636c8c6 2035 if (pkt->dts != AV_NOPTS_VALUE)
6291d7e4 2036 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
7636c8c6 2037 if (pkt->pts != AV_NOPTS_VALUE)
6291d7e4
AK
2038 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2039
7636c8c6 2040 // while we have more to decode or while the decoder did output something on EOF
2a651b71 2041 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
ffa0674e 2042 int ret = 0;
6291d7e4 2043 handle_eof:
6291d7e4 2044
8b0268a8
AK
2045 ist->pts = ist->next_pts;
2046
2047 if (avpkt.size && avpkt.size != pkt->size) {
e3245b26
AK
2048 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2049 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
8b0268a8
AK
2050 ist->showed_multi_packet_warning = 1;
2051 }
6291d7e4 2052
7636c8c6 2053 switch (ist->st->codec->codec_type) {
82963f8f
AK
2054 case AVMEDIA_TYPE_AUDIO:
2055 ret = transcode_audio (ist, &avpkt, &got_output);
2056 break;
2057 case AVMEDIA_TYPE_VIDEO:
2058 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
2059 break;
2060 case AVMEDIA_TYPE_SUBTITLE:
2061 ret = transcode_subtitles(ist, &avpkt, &got_output);
2062 break;
78162b4e
AK
2063 default:
2064 return -1;
2065 }
6291d7e4 2066
d3c1d37a
AK
2067 if (ret < 0)
2068 return ret;
aa38cff2
JG
2069 // touch data and size only if not EOF
2070 if (pkt) {
2071 avpkt.data += ret;
2072 avpkt.size -= ret;
2073 }
82963f8f 2074 if (!got_output) {
af8ad892 2075 continue;
82963f8f 2076 }
6291d7e4 2077 }
6291d7e4 2078
7204ec1a 2079 /* handle stream copy */
2a651b71
AK
2080 if (!ist->decoding_needed) {
2081 rate_emu_sleep(ist);
91b412e7 2082 ist->pts = ist->next_pts;
2a651b71
AK
2083 switch (ist->st->codec->codec_type) {
2084 case AVMEDIA_TYPE_AUDIO:
2085 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2086 ist->st->codec->sample_rate;
2087 break;
2088 case AVMEDIA_TYPE_VIDEO:
2089 if (ist->st->codec->time_base.num != 0) {
7636c8c6 2090 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2a651b71
AK
2091 ist->next_pts += ((int64_t)AV_TIME_BASE *
2092 ist->st->codec->time_base.num * ticks) /
2093 ist->st->codec->time_base.den;
2094 }
2095 break;
2096 }
2097 }
7204ec1a 2098 for (i = 0; pkt && i < nb_ostreams; i++) {
ffa0674e 2099 OutputStream *ost = &ost_table[i];
7204ec1a
AK
2100
2101 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2102 continue;
2103
2104 do_streamcopy(ist, ost, pkt);
2105 }
2106
6291d7e4
AK
2107 return 0;
2108}
2109
af70aa45 2110static void print_sdp(OutputFile *output_files, int n)
6291d7e4
AK
2111{
2112 char sdp[2048];
af70aa45 2113 int i;
7636c8c6 2114 AVFormatContext **avc = av_malloc(sizeof(*avc) * n);
af70aa45
AK
2115
2116 if (!avc)
2117 exit_program(1);
2118 for (i = 0; i < n; i++)
2119 avc[i] = output_files[i].ctx;
6291d7e4
AK
2120
2121 av_sdp_create(avc, n, sdp, sizeof(sdp));
2122 printf("SDP:\n%s\n", sdp);
2123 fflush(stdout);
af70aa45 2124 av_freep(&avc);
6291d7e4
AK
2125}
2126
630902a1
AK
2127static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2128 char *error, int error_len)
2129{
2130 int i;
2131 InputStream *ist = &input_streams[ist_index];
2132 if (ist->decoding_needed) {
2133 AVCodec *codec = ist->dec;
630902a1 2134 if (!codec) {
9a414d89 2135 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
630902a1
AK
2136 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2137 return AVERROR(EINVAL);
2138 }
2139
2140 /* update requested sample format for the decoder based on the
2141 corresponding encoder sample format */
2142 for (i = 0; i < nb_output_streams; i++) {
2143 OutputStream *ost = &output_streams[i];
2144 if (ost->source_index == ist_index) {
2145 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2146 break;
2147 }
2148 }
2149
64dca32c
AK
2150 if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
2151 ist->st->codec->get_buffer = codec_get_buffer;
2152 ist->st->codec->release_buffer = codec_release_buffer;
2153 ist->st->codec->opaque = ist;
2154 }
2155
630902a1 2156 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
9a414d89 2157 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
630902a1
AK
2158 ist->file_index, ist->st->index);
2159 return AVERROR(EINVAL);
2160 }
2161 assert_codec_experimental(ist->st->codec, 0);
2162 assert_avoptions(ist->opts);
2163 }
2164
7636c8c6 2165 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
2166 ist->next_pts = AV_NOPTS_VALUE;
2167 init_pts_correction(&ist->pts_ctx);
2168 ist->is_start = 1;
2169
2170 return 0;
2171}
2172
eaf2d37a
AC
2173static int transcode_init(OutputFile *output_files,
2174 int nb_output_files,
2175 InputFile *input_files,
2176 int nb_input_files)
6291d7e4 2177{
2c474ddb 2178 int ret = 0, i, j, k;
1bb77e51 2179 AVFormatContext *oc;
6291d7e4 2180 AVCodecContext *codec, *icodec;
4288e031 2181 OutputStream *ost;
6291d7e4
AK
2182 InputStream *ist;
2183 char error[1024];
2184 int want_sdp = 1;
b0c9e8e0 2185
f4805328
AK
2186 /* init framerate emulation */
2187 for (i = 0; i < nb_input_files; i++) {
2188 InputFile *ifile = &input_files[i];
2189 if (ifile->rate_emu)
2190 for (j = 0; j < ifile->nb_streams; j++)
2191 input_streams[j + ifile->ist_index].start = av_gettime();
2192 }
6291d7e4
AK
2193
2194 /* output stream init */
03f30c83 2195 for (i = 0; i < nb_output_files; i++) {
1bb77e51
AK
2196 oc = output_files[i].ctx;
2197 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2198 av_dump_format(oc, i, oc->filename, 1);
e3245b26 2199 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
eaf2d37a 2200 return AVERROR(EINVAL);
6291d7e4 2201 }
6291d7e4
AK
2202 }
2203
2204 /* for each output stream, we compute the right encoding parameters */
4288e031
AK
2205 for (i = 0; i < nb_output_streams; i++) {
2206 ost = &output_streams[i];
03f30c83 2207 oc = output_files[ost->file_index].ctx;
6291d7e4
AK
2208 ist = &input_streams[ost->source_index];
2209
4dbc6cee
AK
2210 if (ost->attachment_filename)
2211 continue;
2212
03f30c83 2213 codec = ost->st->codec;
6291d7e4
AK
2214 icodec = ist->st->codec;
2215
03f30c83
AK
2216 ost->st->disposition = ist->st->disposition;
2217 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
6291d7e4
AK
2218 codec->chroma_sample_location = icodec->chroma_sample_location;
2219
3d813e4c 2220 if (ost->stream_copy) {
6291d7e4
AK
2221 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2222
e6d2b737 2223 if (extra_size > INT_MAX) {
eaf2d37a 2224 return AVERROR(EINVAL);
e6d2b737 2225 }
6291d7e4
AK
2226
2227 /* if stream_copy is selected, no need to decode or encode */
03f30c83 2228 codec->codec_id = icodec->codec_id;
6291d7e4
AK
2229 codec->codec_type = icodec->codec_type;
2230
03f30c83
AK
2231 if (!codec->codec_tag) {
2232 if (!oc->oformat->codec_tag ||
2233 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2234 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
6291d7e4
AK
2235 codec->codec_tag = icodec->codec_tag;
2236 }
2237
03f30c83 2238 codec->bit_rate = icodec->bit_rate;
6291d7e4
AK
2239 codec->rc_max_rate = icodec->rc_max_rate;
2240 codec->rc_buffer_size = icodec->rc_buffer_size;
4bf3c8f2 2241 codec->field_order = icodec->field_order;
03f30c83 2242 codec->extradata = av_mallocz(extra_size);
e6d2b737 2243 if (!codec->extradata) {
eaf2d37a 2244 return AVERROR(ENOMEM);
e6d2b737 2245 }
6291d7e4 2246 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
03f30c83 2247 codec->extradata_size = icodec->extradata_size;
7bb3e625 2248 if (!copy_tb) {
03f30c83 2249 codec->time_base = icodec->time_base;
6291d7e4
AK
2250 codec->time_base.num *= icodec->ticks_per_frame;
2251 av_reduce(&codec->time_base.num, &codec->time_base.den,
2252 codec->time_base.num, codec->time_base.den, INT_MAX);
03f30c83 2253 } else
6291d7e4 2254 codec->time_base = ist->st->time_base;
03f30c83 2255
7636c8c6 2256 switch (codec->codec_type) {
6291d7e4 2257 case AVMEDIA_TYPE_AUDIO:
7636c8c6 2258 if (audio_volume != 256) {
e3245b26 2259 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
6291d7e4
AK
2260 exit_program(1);
2261 }
03f30c83
AK
2262 codec->channel_layout = icodec->channel_layout;
2263 codec->sample_rate = icodec->sample_rate;
2264 codec->channels = icodec->channels;
2265 codec->frame_size = icodec->frame_size;
6291d7e4 2266 codec->audio_service_type = icodec->audio_service_type;
03f30c83 2267 codec->block_align = icodec->block_align;
6291d7e4
AK
2268 break;
2269 case AVMEDIA_TYPE_VIDEO:
03f30c83
AK
2270 codec->pix_fmt = icodec->pix_fmt;
2271 codec->width = icodec->width;
2272 codec->height = icodec->height;
2273 codec->has_b_frames = icodec->has_b_frames;
6291d7e4 2274 if (!codec->sample_aspect_ratio.num) {
03f30c83 2275 codec->sample_aspect_ratio =
6291d7e4
AK
2276 ost->st->sample_aspect_ratio =
2277 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2278 ist->st->codec->sample_aspect_ratio.num ?
2279 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2280 }
2281 break;
2282 case AVMEDIA_TYPE_SUBTITLE:
03f30c83 2283 codec->width = icodec->width;
6291d7e4
AK
2284 codec->height = icodec->height;
2285 break;
2286 case AVMEDIA_TYPE_DATA:
3ccd1580 2287 case AVMEDIA_TYPE_ATTACHMENT:
6291d7e4
AK
2288 break;
2289 default:
2290 abort();
2291 }
2292 } else {
2293 if (!ost->enc)
2294 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
03f30c83 2295
11fdb7e1
AK
2296 ist->decoding_needed = 1;
2297 ost->encoding_needed = 1;
03f30c83 2298
7636c8c6 2299 switch (codec->codec_type) {
6291d7e4 2300 case AVMEDIA_TYPE_AUDIO:
03f30c83 2301 ost->fifo = av_fifo_alloc(1024);
e6d2b737 2302 if (!ost->fifo) {
eaf2d37a 2303 return AVERROR(ENOMEM);
e6d2b737 2304 }
6291d7e4 2305 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
03f30c83 2306
d0a19696 2307 if (!codec->sample_rate)
6291d7e4 2308 codec->sample_rate = icodec->sample_rate;
6291d7e4 2309 choose_sample_rate(ost->st, ost->enc);
7636c8c6 2310 codec->time_base = (AVRational){ 1, codec->sample_rate };
03f30c83 2311
6291d7e4
AK
2312 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2313 codec->sample_fmt = icodec->sample_fmt;
2314 choose_sample_fmt(ost->st, ost->enc);
03f30c83 2315
6291d7e4
AK
2316 if (!codec->channels)
2317 codec->channels = icodec->channels;
2318 codec->channel_layout = icodec->channel_layout;
2319 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2320 codec->channel_layout = 0;
03f30c83
AK
2321
2322 ost->audio_resample = codec-> sample_rate != icodec->sample_rate || audio_sync_method > 1;
2323 icodec->request_channels = codec-> channels;
6291d7e4
AK
2324 ost->resample_sample_fmt = icodec->sample_fmt;
2325 ost->resample_sample_rate = icodec->sample_rate;
2326 ost->resample_channels = icodec->channels;
2327 break;
2328 case AVMEDIA_TYPE_VIDEO:
2329 if (codec->pix_fmt == PIX_FMT_NONE)
2330 codec->pix_fmt = icodec->pix_fmt;
2331 choose_pixel_fmt(ost->st, ost->enc);
2332
2333 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
e3245b26 2334 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
6291d7e4
AK
2335 exit_program(1);
2336 }
2337
2338 if (!codec->width || !codec->height) {
2339 codec->width = icodec->width;
2340 codec->height = icodec->height;
2341 }
2342
2343 ost->video_resample = codec->width != icodec->width ||
2344 codec->height != icodec->height ||
2345 codec->pix_fmt != icodec->pix_fmt;
2346 if (ost->video_resample) {
2347#if !CONFIG_AVFILTER
2348 avcodec_get_frame_defaults(&ost->pict_tmp);
7636c8c6 2349 if (avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
6291d7e4 2350 codec->width, codec->height)) {
e3245b26 2351 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
6291d7e4
AK
2352 exit_program(1);
2353 }
2354 ost->img_resample_ctx = sws_getContext(
2355 icodec->width,
2356 icodec->height,
2357 icodec->pix_fmt,
2358 codec->width,
2359 codec->height,
2360 codec->pix_fmt,
2361 ost->sws_flags, NULL, NULL, NULL);
2362 if (ost->img_resample_ctx == NULL) {
e3245b26 2363 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
6291d7e4
AK
2364 exit_program(1);
2365 }
2366#endif
7636c8c6 2367 codec->bits_per_raw_sample = 0;
6291d7e4
AK
2368 }
2369
03f30c83
AK
2370 ost->resample_height = icodec->height;
2371 ost->resample_width = icodec->width;
2372 ost->resample_pix_fmt = icodec->pix_fmt;
6291d7e4
AK
2373
2374 if (!ost->frame_rate.num)
7636c8c6 2375 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational) { 25, 1 };
bef737a7 2376 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
6291d7e4
AK
2377 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2378 ost->frame_rate = ost->enc->supported_framerates[idx];
2379 }
2380 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2381
2382#if CONFIG_AVFILTER
2383 if (configure_video_filters(ist, ost)) {
e3245b26 2384 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
6291d7e4
AK
2385 exit(1);
2386 }
2387#endif
2388 break;
2389 case AVMEDIA_TYPE_SUBTITLE:
6291d7e4
AK
2390 break;
2391 default:
2392 abort();
2393 break;
2394 }
2395 /* two pass mode */
515901fa 2396 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
6291d7e4
AK
2397 char logfilename[1024];
2398 FILE *f;
2399
2400 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2401 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2402 i);
2403 if (codec->flags & CODEC_FLAG_PASS1) {
2404 f = fopen(logfilename, "wb");
2405 if (!f) {
e3245b26
AK
2406 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2407 logfilename, strerror(errno));
6291d7e4
AK
2408 exit_program(1);
2409 }
2410 ost->logfile = f;
2411 } else {
2412 char *logbuffer;
2413 size_t logbuffer_size;
02170990 2414 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
e3245b26
AK
2415 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2416 logfilename);
6291d7e4
AK
2417 exit_program(1);
2418 }
2419 codec->stats_in = logbuffer;
2420 }
2421 }
2422 }
7636c8c6 2423 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
03f30c83 2424 int size = codec->width * codec->height;
7636c8c6 2425 bit_buffer_size = FFMAX(bit_buffer_size, 6 * size + 200);
6291d7e4
AK
2426 }
2427 }
2428
2429 if (!bit_buffer)
2430 bit_buffer = av_malloc(bit_buffer_size);
2431 if (!bit_buffer) {
e3245b26
AK
2432 av_log(NULL, AV_LOG_ERROR, "Cannot allocate %d bytes output buffer\n",
2433 bit_buffer_size);
eaf2d37a 2434 return AVERROR(ENOMEM);
6291d7e4
AK
2435 }
2436
2437 /* open each encoder */
4288e031
AK
2438 for (i = 0; i < nb_output_streams; i++) {
2439 ost = &output_streams[i];
6291d7e4 2440 if (ost->encoding_needed) {
03f30c83 2441 AVCodec *codec = ost->enc;
6291d7e4
AK
2442 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2443 if (!codec) {
9a414d89 2444 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d:%d",
6291d7e4
AK
2445 ost->st->codec->codec_id, ost->file_index, ost->index);
2446 ret = AVERROR(EINVAL);
2447 goto dump_format;
2448 }
2449 if (dec->subtitle_header) {
2450 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2451 if (!ost->st->codec->subtitle_header) {
2452 ret = AVERROR(ENOMEM);
2453 goto dump_format;
2454 }
2455 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2456 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2457 }
2458 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
9a414d89 2459 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
2460 ost->file_index, ost->index);
2461 ret = AVERROR(EINVAL);
2462 goto dump_format;
2463 }
2464 assert_codec_experimental(ost->st->codec, 1);
2465 assert_avoptions(ost->opts);
2466 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2467 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2468 "It takes bits/s as argument, not kbits/s\n");
2469 extra_size += ost->st->codec->extradata_size;
d242d80e
AK
2470
2471 if (ost->st->codec->me_threshold)
2472 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
6291d7e4
AK
2473 }
2474 }
2475
630902a1
AK
2476 /* init input streams */
2477 for (i = 0; i < nb_input_streams; i++)
62486948 2478 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
630902a1 2479 goto dump_format;
6291d7e4 2480
2c474ddb
AK
2481 /* discard unused programs */
2482 for (i = 0; i < nb_input_files; i++) {
2483 InputFile *ifile = &input_files[i];
2484 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2485 AVProgram *p = ifile->ctx->programs[j];
2486 int discard = AVDISCARD_ALL;
2487
2488 for (k = 0; k < p->nb_stream_indexes; k++)
2489 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2490 discard = AVDISCARD_DEFAULT;
2491 break;
2492 }
2493 p->discard = discard;
2494 }
2495 }
2496
6291d7e4 2497 /* open files and write file headers */
af70aa45 2498 for (i = 0; i < nb_output_files; i++) {
1bb77e51
AK
2499 oc = output_files[i].ctx;
2500 oc->interrupt_callback = int_cb;
2501 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
6291d7e4
AK
2502 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2503 ret = AVERROR(EINVAL);
2504 goto dump_format;
2505 }
af70aa45 2506 assert_avoptions(output_files[i].opts);
1bb77e51 2507 if (strcmp(oc->oformat->name, "rtp")) {
6291d7e4
AK
2508 want_sdp = 0;
2509 }
2510 }
2511
2512 dump_format:
2513 /* dump the file output parameters - cannot be done before in case
2514 of stream copy */
03f30c83 2515 for (i = 0; i < nb_output_files; i++) {
af70aa45 2516 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
6291d7e4
AK
2517 }
2518
2519 /* dump the stream mapping */
e3245b26
AK
2520 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2521 for (i = 0; i < nb_output_streams; i++) {
2522 ost = &output_streams[i];
4dbc6cee
AK
2523
2524 if (ost->attachment_filename) {
2525 /* an attached file */
2526 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2527 ost->attachment_filename, ost->file_index, ost->index);
2528 continue;
2529 }
9a414d89 2530 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
e3245b26
AK
2531 input_streams[ost->source_index].file_index,
2532 input_streams[ost->source_index].st->index,
2533 ost->file_index,
2534 ost->index);
2535 if (ost->sync_ist != &input_streams[ost->source_index])
9a414d89 2536 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
e3245b26
AK
2537 ost->sync_ist->file_index,
2538 ost->sync_ist->st->index);
3d813e4c 2539 if (ost->stream_copy)
e3245b26
AK
2540 av_log(NULL, AV_LOG_INFO, " (copy)");
2541 else
2542 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2543 input_streams[ost->source_index].dec->name : "?",
2544 ost->enc ? ost->enc->name : "?");
2545 av_log(NULL, AV_LOG_INFO, "\n");
6291d7e4
AK
2546 }
2547
2548 if (ret) {
e3245b26 2549 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
eaf2d37a 2550 return ret;
6291d7e4
AK
2551 }
2552
2553 if (want_sdp) {
2554 print_sdp(output_files, nb_output_files);
2555 }
2556
eaf2d37a
AC
2557 return 0;
2558}
2559
2560/*
2561 * The following code is the main loop of the file converter
2562 */
2563static int transcode(OutputFile *output_files,
2564 int nb_output_files,
2565 InputFile *input_files,
2566 int nb_input_files)
2567{
2568 int ret, i;
2569 AVFormatContext *is, *os;
2570 OutputStream *ost;
2571 InputStream *ist;
2572 uint8_t *no_packet;
7636c8c6 2573 int no_packet_count = 0;
eaf2d37a
AC
2574 int64_t timer_start;
2575
2576 if (!(no_packet = av_mallocz(nb_input_files)))
2577 exit_program(1);
2578
2579 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2580 if (ret < 0)
2581 goto fail;
2582
e3245b26 2583 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
6291d7e4
AK
2584 term_init();
2585
2586 timer_start = av_gettime();
2587
7636c8c6 2588 for (; received_sigterm == 0;) {
6291d7e4
AK
2589 int file_index, ist_index;
2590 AVPacket pkt;
9be3c124 2591 int64_t ipts_min;
6291d7e4
AK
2592 double opts_min;
2593
9be3c124 2594 ipts_min = INT64_MAX;
7636c8c6 2595 opts_min = 1e100;
6291d7e4
AK
2596
2597 /* select the stream that we must read now by looking at the
2598 smallest output pts */
2599 file_index = -1;
4288e031 2600 for (i = 0; i < nb_output_streams; i++) {
f21f294e 2601 OutputFile *of;
9be3c124
AC
2602 int64_t ipts;
2603 double opts;
4288e031 2604 ost = &output_streams[i];
f21f294e 2605 of = &output_files[ost->file_index];
af70aa45 2606 os = output_files[ost->file_index].ctx;
6291d7e4 2607 ist = &input_streams[ost->source_index];
f21f294e
AK
2608 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2609 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
6291d7e4 2610 continue;
c0931508 2611 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
9be3c124 2612 ipts = ist->pts;
7636c8c6
AD
2613 if (!input_files[ist->file_index].eof_reached) {
2614 if (ipts < ipts_min) {
6291d7e4 2615 ipts_min = ipts;
7636c8c6
AD
2616 if (input_sync)
2617 file_index = ist->file_index;
6291d7e4 2618 }
7636c8c6 2619 if (opts < opts_min) {
6291d7e4 2620 opts_min = opts;
7636c8c6 2621 if (!input_sync) file_index = ist->file_index;
6291d7e4
AK
2622 }
2623 }
96139b5e
AK
2624 if (ost->frame_number >= ost->max_frames) {
2625 int j;
9b921a82
AK
2626 for (j = 0; j < of->ctx->nb_streams; j++)
2627 output_streams[of->ost_index + j].is_past_recording_time = 1;
96139b5e 2628 continue;
6291d7e4
AK
2629 }
2630 }
2631 /* if none, if is finished */
2632 if (file_index < 0) {
7636c8c6
AD
2633 if (no_packet_count) {
2634 no_packet_count = 0;
b0c9e8e0 2635 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
2636 usleep(10000);
2637 continue;
2638 }
2639 break;
2640 }
2641
6291d7e4 2642 /* read a frame from it and output it in the fifo */
7636c8c6
AD
2643 is = input_files[file_index].ctx;
2644 ret = av_read_frame(is, &pkt);
2645 if (ret == AVERROR(EAGAIN)) {
2646 no_packet[file_index] = 1;
6291d7e4
AK
2647 no_packet_count++;
2648 continue;
2649 }
2650 if (ret < 0) {
2651 input_files[file_index].eof_reached = 1;
2652 if (opt_shortest)
2653 break;
2654 else
2655 continue;
2656 }
2657
7636c8c6 2658 no_packet_count = 0;
b0c9e8e0 2659 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
2660
2661 if (do_pkt_dump) {
2662 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2663 is->streams[pkt.stream_index]);
2664 }
2665 /* the following test is needed in case new streams appear
2666 dynamically in stream : we ignore them */
ed5b1326 2667 if (pkt.stream_index >= input_files[file_index].nb_streams)
6291d7e4
AK
2668 goto discard_packet;
2669 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2670 ist = &input_streams[ist_index];
2671 if (ist->discard)
2672 goto discard_packet;
2673
2674 if (pkt.dts != AV_NOPTS_VALUE)
2675 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2676 if (pkt.pts != AV_NOPTS_VALUE)
2677 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2678
7636c8c6 2679 if (pkt.pts != AV_NOPTS_VALUE)
33f75d72 2680 pkt.pts *= ist->ts_scale;
7636c8c6 2681 if (pkt.dts != AV_NOPTS_VALUE)
33f75d72 2682 pkt.dts *= ist->ts_scale;
6291d7e4 2683
7636c8c6
AD
2684 //fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n",
2685 // ist->next_pts,
2686 // pkt.dts, input_files[ist->file_index].ts_offset,
2687 // ist->st->codec->codec_type);
6291d7e4
AK
2688 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2689 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
7636c8c6
AD
2690 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2691 int64_t delta = pkt_dts - ist->next_pts;
2692 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->pts) && !copy_ts) {
6291d7e4 2693 input_files[ist->file_index].ts_offset -= delta;
7636c8c6
AD
2694 av_log(NULL, AV_LOG_DEBUG,
2695 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
e3245b26 2696 delta, input_files[ist->file_index].ts_offset);
6291d7e4 2697 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
7636c8c6 2698 if (pkt.pts != AV_NOPTS_VALUE)
6291d7e4
AK
2699 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2700 }
2701 }
2702
7636c8c6 2703 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
06d4e2fa 2704 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
6291d7e4 2705
9a414d89 2706 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
e3245b26 2707 ist->file_index, ist->st->index);
6291d7e4
AK
2708 if (exit_on_error)
2709 exit_program(1);
2710 av_free_packet(&pkt);
b9630bcf 2711 continue;
6291d7e4
AK
2712 }
2713
2714 discard_packet:
2715 av_free_packet(&pkt);
2716
2717 /* dump report by using the output first video and audio streams */
c5ad2c2c 2718 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
6291d7e4
AK
2719 }
2720
2721 /* at the end of stream, we must flush the decoder buffers */
2722 for (i = 0; i < nb_input_streams; i++) {
2723 ist = &input_streams[i];
2724 if (ist->decoding_needed) {
06d4e2fa 2725 output_packet(ist, output_streams, nb_output_streams, NULL);
6291d7e4
AK
2726 }
2727 }
b62b5cb6 2728 flush_encoders(output_streams, nb_output_streams);
6291d7e4
AK
2729
2730 term_exit();
2731
2732 /* write the trailer if needed and close file */
7636c8c6 2733 for (i = 0; i < nb_output_files; i++) {
af70aa45 2734 os = output_files[i].ctx;
6291d7e4
AK
2735 av_write_trailer(os);
2736 }
2737
2738 /* dump report by using the first video and audio streams */
c5ad2c2c 2739 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
6291d7e4
AK
2740
2741 /* close each encoder */
4288e031
AK
2742 for (i = 0; i < nb_output_streams; i++) {
2743 ost = &output_streams[i];
6291d7e4
AK
2744 if (ost->encoding_needed) {
2745 av_freep(&ost->st->codec->stats_in);
2746 avcodec_close(ost->st->codec);
2747 }
2748#if CONFIG_AVFILTER
2749 avfilter_graph_free(&ost->graph);
2750#endif
2751 }
2752
2753 /* close each decoder */
2754 for (i = 0; i < nb_input_streams; i++) {
2755 ist = &input_streams[i];
2756 if (ist->decoding_needed) {
2757 avcodec_close(ist->st->codec);
2758 }
2759 }
2760
2761 /* finished ! */
2762 ret = 0;
2763
2764 fail:
2765 av_freep(&bit_buffer);
b0c9e8e0 2766 av_freep(&no_packet);
6291d7e4 2767
4288e031
AK
2768 if (output_streams) {
2769 for (i = 0; i < nb_output_streams; i++) {
2770 ost = &output_streams[i];
6291d7e4 2771 if (ost) {
3d813e4c 2772 if (ost->stream_copy)
6291d7e4
AK
2773 av_freep(&ost->st->codec->extradata);
2774 if (ost->logfile) {
2775 fclose(ost->logfile);
2776 ost->logfile = NULL;
2777 }
2778 av_fifo_free(ost->fifo); /* works even if fifo is not
2779 initialized but set to zero */
2780 av_freep(&ost->st->codec->subtitle_header);
2781 av_free(ost->pict_tmp.data[0]);
2782 av_free(ost->forced_kf_pts);
2783 if (ost->video_resample)
2784 sws_freeContext(ost->img_resample_ctx);
2785 if (ost->resample)
2786 audio_resample_close(ost->resample);
2787 if (ost->reformat_ctx)
2788 av_audio_convert_free(ost->reformat_ctx);
2789 av_dict_free(&ost->opts);
6291d7e4
AK
2790 }
2791 }
6291d7e4
AK
2792 }
2793 return ret;
2794}
2795
ca46fde7 2796static double parse_frame_aspect_ratio(const char *arg)
6291d7e4
AK
2797{
2798 int x = 0, y = 0;
2799 double ar = 0;
2800 const char *p;
2801 char *end;
2802
2803 p = strchr(arg, ':');
2804 if (p) {
2805 x = strtol(arg, &end, 10);
2806 if (end == p)
7636c8c6 2807 y = strtol(end + 1, &end, 10);
6291d7e4
AK
2808 if (x > 0 && y > 0)
2809 ar = (double)x / (double)y;
2810 } else
2811 ar = strtod(arg, NULL);
2812
2813 if (!ar) {
e3245b26 2814 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
ca46fde7 2815 exit_program(1);
6291d7e4 2816 }
ca46fde7 2817 return ar;
6291d7e4
AK
2818}
2819
35e6f8c1 2820static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2821{
35e6f8c1 2822 return parse_option(o, "codec:a", arg, options);
6291d7e4
AK
2823}
2824
35e6f8c1 2825static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2826{
35e6f8c1 2827 return parse_option(o, "codec:v", arg, options);
6291d7e4
AK
2828}
2829
35e6f8c1 2830static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2831{
35e6f8c1 2832 return parse_option(o, "codec:s", arg, options);
6291d7e4
AK
2833}
2834
35e6f8c1 2835static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2836{
35e6f8c1 2837 return parse_option(o, "codec:d", arg, options);
6291d7e4
AK
2838}
2839
575ec4e1 2840static int opt_map(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2841{
8d2e4a7e
AK
2842 StreamMap *m = NULL;
2843 int i, negative = 0, file_idx;
2844 int sync_file_idx = -1, sync_stream_idx;
2845 char *p, *sync;
2846 char *map;
6291d7e4 2847
8d2e4a7e
AK
2848 if (*arg == '-') {
2849 negative = 1;
2850 arg++;
2851 }
2852 map = av_strdup(arg);
6291d7e4 2853
8d2e4a7e
AK
2854 /* parse sync stream first, just pick first matching stream */
2855 if (sync = strchr(map, ',')) {
2856 *sync = 0;
2857 sync_file_idx = strtol(sync + 1, &sync, 0);
2858 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
f24facd3 2859 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
8d2e4a7e
AK
2860 exit_program(1);
2861 }
2862 if (*sync)
2863 sync++;
ed5b1326 2864 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
8d2e4a7e
AK
2865 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2866 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2867 sync_stream_idx = i;
2868 break;
2869 }
ed5b1326 2870 if (i == input_files[sync_file_idx].nb_streams) {
f24facd3 2871 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
8d2e4a7e
AK
2872 "match any streams.\n", arg);
2873 exit_program(1);
2874 }
2875 }
6291d7e4 2876
8d2e4a7e
AK
2877
2878 file_idx = strtol(map, &p, 0);
2879 if (file_idx >= nb_input_files || file_idx < 0) {
f24facd3 2880 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
8d2e4a7e 2881 exit_program(1);
6291d7e4 2882 }
8d2e4a7e
AK
2883 if (negative)
2884 /* disable some already defined maps */
575ec4e1
AK
2885 for (i = 0; i < o->nb_stream_maps; i++) {
2886 m = &o->stream_maps[i];
e6674f68
AK
2887 if (file_idx == m->file_index &&
2888 check_stream_specifier(input_files[m->file_index].ctx,
8d2e4a7e
AK
2889 input_files[m->file_index].ctx->streams[m->stream_index],
2890 *p == ':' ? p + 1 : p) > 0)
2891 m->disabled = 1;
2892 }
2893 else
ed5b1326 2894 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
8d2e4a7e
AK
2895 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2896 *p == ':' ? p + 1 : p) <= 0)
2897 continue;
575ec4e1
AK
2898 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2899 &o->nb_stream_maps, o->nb_stream_maps + 1);
2900 m = &o->stream_maps[o->nb_stream_maps - 1];
8d2e4a7e
AK
2901
2902 m->file_index = file_idx;
2903 m->stream_index = i;
2904
2905 if (sync_file_idx >= 0) {
2906 m->sync_file_index = sync_file_idx;
2907 m->sync_stream_index = sync_stream_idx;
2908 } else {
2909 m->sync_file_index = file_idx;
2910 m->sync_stream_index = i;
2911 }
2912 }
2913
2914 if (!m) {
f24facd3 2915 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
8d2e4a7e
AK
2916 exit_program(1);
2917 }
2918
2919 av_freep(&map);
6291d7e4
AK
2920 return 0;
2921}
2922
4dbc6cee
AK
2923static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
2924{
2925 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
2926 &o->nb_attachments, o->nb_attachments + 1);
2927 o->attachments[o->nb_attachments - 1] = arg;
2928 return 0;
2929}
2930
a7b5e841
AK
2931/**
2932 * Parse a metadata specifier in arg.
2933 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
2934 * @param index for type c/p, chapter/program index is written here
2935 * @param stream_spec for type s, the stream specifier is written here
2936 */
2937static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
6291d7e4 2938{
039267f1 2939 if (*arg) {
a2a38d96 2940 *type = *arg;
6291d7e4
AK
2941 switch (*arg) {
2942 case 'g':
2943 break;
2944 case 's':
a7b5e841
AK
2945 if (*(++arg) && *arg != ':') {
2946 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
2947 exit_program(1);
2948 }
2949 *stream_spec = *arg == ':' ? arg + 1 : "";
2950 break;
6291d7e4
AK
2951 case 'c':
2952 case 'p':
e6e6060c
AK
2953 if (*(++arg) == ':')
2954 *index = strtol(++arg, NULL, 0);
6291d7e4
AK
2955 break;
2956 default:
e3245b26 2957 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
6291d7e4
AK
2958 exit_program(1);
2959 }
2960 } else
2961 *type = 'g';
2962}
2963
a7b5e841 2964static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
6291d7e4 2965{
a7b5e841
AK
2966 AVDictionary **meta_in = NULL;
2967 AVDictionary **meta_out;
2968 int i, ret = 0;
2969 char type_in, type_out;
2970 const char *istream_spec = NULL, *ostream_spec = NULL;
2971 int idx_in = 0, idx_out = 0;
6291d7e4 2972
a7b5e841
AK
2973 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
2974 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
6291d7e4 2975
a7b5e841 2976 if (type_in == 'g' || type_out == 'g')
847529f8 2977 o->metadata_global_manual = 1;
a7b5e841 2978 if (type_in == 's' || type_out == 's')
847529f8 2979 o->metadata_streams_manual = 1;
a7b5e841 2980 if (type_in == 'c' || type_out == 'c')
847529f8 2981 o->metadata_chapters_manual = 1;
6291d7e4 2982
a7b5e841
AK
2983#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
2984 if ((index) < 0 || (index) >= (nb_elems)) {\
2985 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
2986 (desc), (index));\
2987 exit_program(1);\
2988 }
2989
2990#define SET_DICT(type, meta, context, index)\
2991 switch (type) {\
2992 case 'g':\
2993 meta = &context->metadata;\
2994 break;\
2995 case 'c':\
2996 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
2997 meta = &context->chapters[index]->metadata;\
2998 break;\
2999 case 'p':\
3000 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3001 meta = &context->programs[index]->metadata;\
3002 break;\
3003 }\
3004
3005 SET_DICT(type_in, meta_in, ic, idx_in);
3006 SET_DICT(type_out, meta_out, oc, idx_out);
3007
3008 /* for input streams choose first matching stream */
3009 if (type_in == 's') {
3010 for (i = 0; i < ic->nb_streams; i++) {
3011 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3012 meta_in = &ic->streams[i]->metadata;
3013 break;
3014 } else if (ret < 0)
3015 exit_program(1);
3016 }
3017 if (!meta_in) {
3018 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3019 exit_program(1);
3020 }
3021 }
3022
3023 if (type_out == 's') {
3024 for (i = 0; i < oc->nb_streams; i++) {
3025 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3026 meta_out = &oc->streams[i]->metadata;
3027 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3028 } else if (ret < 0)
3029 exit_program(1);
3030 }
3031 } else
3032 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3033
6291d7e4
AK
3034 return 0;
3035}
3036
1b648c7c 3037static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
169f0647
AK
3038{
3039 const char *codec_string = encoder ? "encoder" : "decoder";
3040 AVCodec *codec;
3041
169f0647
AK
3042 codec = encoder ?
3043 avcodec_find_encoder_by_name(name) :
3044 avcodec_find_decoder_by_name(name);
7636c8c6 3045 if (!codec) {
f24facd3 3046 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
169f0647
AK
3047 exit_program(1);
3048 }
7636c8c6 3049 if (codec->type != type) {
f24facd3 3050 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
169f0647
AK
3051 exit_program(1);
3052 }
1b648c7c 3053 return codec;
169f0647
AK
3054}
3055
1b648c7c 3056static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
169f0647 3057{
169f0647 3058 char *codec_name = NULL;
169f0647 3059
35e6f8c1 3060 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
1b648c7c
AK
3061 if (codec_name) {
3062 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3063 st->codec->codec_id = codec->id;
3064 return codec;
3065 } else
3066 return avcodec_find_decoder(st->codec->codec_id);
169f0647 3067}
6291d7e4 3068
88867844
AK
3069/**
3070 * Add all the streams from the given input file to the global
3071 * list of input streams.
3072 */
35e6f8c1 3073static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
88867844 3074{
33f75d72 3075 int i, rfps, rfps_base;
88867844
AK
3076
3077 for (i = 0; i < ic->nb_streams; i++) {
3078 AVStream *st = ic->streams[i];
3079 AVCodecContext *dec = st->codec;
3080 InputStream *ist;
3081
88867844
AK
3082 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3083 ist = &input_streams[nb_input_streams - 1];
3084 ist->st = st;
3085 ist->file_index = nb_input_files;
3086 ist->discard = 1;
3087 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3088
059fb8c8
AK
3089 ist->ts_scale = 1.0;
3090 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
88867844 3091
1b648c7c 3092 ist->dec = choose_decoder(o, ic, st);
88867844
AK
3093
3094 switch (dec->codec_type) {
3095 case AVMEDIA_TYPE_AUDIO:
2130981a 3096 if (o->audio_disable)
7636c8c6 3097 st->discard = AVDISCARD_ALL;
88867844
AK
3098 break;
3099 case AVMEDIA_TYPE_VIDEO:
3100 rfps = ic->streams[i]->r_frame_rate.num;
3101 rfps_base = ic->streams[i]->r_frame_rate.den;
3102 if (dec->lowres) {
3103 dec->flags |= CODEC_FLAG_EMU_EDGE;
3104 dec->height >>= dec->lowres;
3105 dec->width >>= dec->lowres;
3106 }
88867844 3107
7636c8c6 3108 if (dec->time_base.den != rfps * dec->ticks_per_frame || dec->time_base.num != rfps_base) {
88867844 3109
e3245b26
AK
3110 av_log(NULL, AV_LOG_INFO,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3111 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3112 (float)rfps / rfps_base, rfps, rfps_base);
88867844
AK
3113 }
3114
2130981a 3115 if (o->video_disable)
7636c8c6
AD
3116 st->discard = AVDISCARD_ALL;
3117 else if (video_discard)
3118 st->discard = video_discard;
88867844
AK
3119 break;
3120 case AVMEDIA_TYPE_DATA:
3121 break;
3122 case AVMEDIA_TYPE_SUBTITLE:
2130981a 3123 if (o->subtitle_disable)
88867844
AK
3124 st->discard = AVDISCARD_ALL;
3125 break;
3126 case AVMEDIA_TYPE_ATTACHMENT:
3127 case AVMEDIA_TYPE_UNKNOWN:
3128 break;
3129 default:
3130 abort();
3131 }
3132 }
3133}
3134
a2c0b830
AK
3135static void assert_file_overwrite(const char *filename)
3136{
3137 if (!file_overwrite &&
3138 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3139 av_strstart(filename, "file:", NULL))) {
3140 if (avio_check(filename, 0) == 0) {
3141 if (!using_stdin) {
3142 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3143 fflush(stderr);
3144 if (!read_yesno()) {
3145 fprintf(stderr, "Not overwriting - exiting\n");
3146 exit_program(1);
3147 }
3148 }
3149 else {
3150 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3151 exit_program(1);
3152 }
3153 }
3154 }
3155}
3156
3157static void dump_attachment(AVStream *st, const char *filename)
3158{
3159 int ret;
3160 AVIOContext *out = NULL;
3161 AVDictionaryEntry *e;
3162
3163 if (!st->codec->extradata_size) {
3164 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3165 nb_input_files - 1, st->index);
3166 return;
3167 }
3168 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3169 filename = e->value;
3170 if (!*filename) {
3171 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3172 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3173 exit_program(1);
3174 }
3175
3176 assert_file_overwrite(filename);
3177
2abe947a 3178 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
a2c0b830
AK
3179 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3180 filename);
3181 exit_program(1);
3182 }
3183
3184 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3185 avio_flush(out);
3186 avio_close(out);
3187}
3188
575ec4e1 3189static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
6291d7e4
AK
3190{
3191 AVFormatContext *ic;
3192 AVInputFormat *file_iformat = NULL;
88867844 3193 int err, i, ret;
6291d7e4
AK
3194 int64_t timestamp;
3195 uint8_t buf[128];
3196 AVDictionary **opts;
3197 int orig_nb_streams; // number of streams before avformat_find_stream_info
3198
7041bb3b
AK
3199 if (o->format) {
3200 if (!(file_iformat = av_find_input_format(o->format))) {
e3245b26 3201 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
6291d7e4
AK
3202 exit_program(1);
3203 }
6291d7e4
AK
3204 }
3205
3206 if (!strcmp(filename, "-"))
3207 filename = "pipe:";
3208
3209 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3210 !strcmp(filename, "/dev/stdin");
3211
3212 /* get default parameters from command line */
3213 ic = avformat_alloc_context();
3214 if (!ic) {
3215 print_error(filename, AVERROR(ENOMEM));
3216 exit_program(1);
3217 }
e2469ccf
AK
3218 if (o->nb_audio_sample_rate) {
3219 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
6291d7e4
AK
3220 av_dict_set(&format_opts, "sample_rate", buf, 0);
3221 }
6a11686d
AK
3222 if (o->nb_audio_channels) {
3223 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
6291d7e4
AK
3224 av_dict_set(&format_opts, "channels", buf, 0);
3225 }
91ea4811
AK
3226 if (o->nb_frame_rates) {
3227 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
6291d7e4 3228 }
d4397b03
AK
3229 if (o->nb_frame_sizes) {
3230 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
6291d7e4 3231 }
b2254d83
AK
3232 if (o->nb_frame_pix_fmts)
3233 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
6291d7e4 3234
6291d7e4 3235 ic->flags |= AVFMT_FLAG_NONBLOCK;
2abe947a 3236 ic->interrupt_callback = int_cb;
6291d7e4
AK
3237
3238 /* open the input file with generic libav function */
3239 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3240 if (err < 0) {
3241 print_error(filename, err);
3242 exit_program(1);
3243 }
3244 assert_avoptions(format_opts);
3245
92f1940e
AK
3246 /* apply forced codec ids */
3247 for (i = 0; i < ic->nb_streams; i++)
1b648c7c 3248 choose_decoder(o, ic, ic->streams[i]);
92f1940e 3249
6291d7e4
AK
3250 /* Set AVCodecContext options for avformat_find_stream_info */
3251 opts = setup_find_stream_info_opts(ic, codec_opts);
3252 orig_nb_streams = ic->nb_streams;
3253
3254 /* If not enough info to get the stream parameters, we decode the
3255 first frames to get it. (used in mpeg case for example) */
3256 ret = avformat_find_stream_info(ic, opts);
e3245b26
AK
3257 if (ret < 0) {
3258 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
cd3716b9 3259 avformat_close_input(&ic);
6291d7e4
AK
3260 exit_program(1);
3261 }
3262
6b779ccc 3263 timestamp = o->start_time;
6291d7e4
AK
3264 /* add the stream start time */
3265 if (ic->start_time != AV_NOPTS_VALUE)
3266 timestamp += ic->start_time;
3267
3268 /* if seeking requested, we execute it */
6b779ccc 3269 if (o->start_time != 0) {
6291d7e4
AK
3270 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3271 if (ret < 0) {
e3245b26
AK
3272 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3273 filename, (double)timestamp / AV_TIME_BASE);
6291d7e4 3274 }
6291d7e4
AK
3275 }
3276
3277 /* update the current parameters so that they match the one of the input stream */
35e6f8c1 3278 add_input_streams(o, ic);
6291d7e4
AK
3279
3280 /* dump the file content */
e3245b26 3281 av_dump_format(ic, nb_input_files, filename, 0);
6291d7e4
AK
3282
3283 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3284 input_files[nb_input_files - 1].ctx = ic;
3285 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
6b779ccc 3286 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
ed5b1326 3287 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
dc3e76f3 3288 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
6291d7e4 3289
a2c0b830
AK
3290 for (i = 0; i < o->nb_dump_attachment; i++) {
3291 int j;
3292
3293 for (j = 0; j < ic->nb_streams; j++) {
3294 AVStream *st = ic->streams[j];
3295
3296 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3297 dump_attachment(st, o->dump_attachment[i].u.str);
3298 }
3299 }
3300
6291d7e4
AK
3301 for (i = 0; i < orig_nb_streams; i++)
3302 av_dict_free(&opts[i]);
3303 av_freep(&opts);
575ec4e1
AK
3304
3305 reset_options(o);
6291d7e4
AK
3306 return 0;
3307}
3308
f233cfed
AK
3309static void parse_forced_key_frames(char *kf, OutputStream *ost,
3310 AVCodecContext *avctx)
3311{
3312 char *p;
3313 int n = 1, i;
3314 int64_t t;
3315
3316 for (p = kf; *p; p++)
3317 if (*p == ',')
3318 n++;
3319 ost->forced_kf_count = n;
7636c8c6 3320 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
f233cfed
AK
3321 if (!ost->forced_kf_pts) {
3322 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3323 exit_program(1);
3324 }
3325 for (i = 0; i < n; i++) {
3326 p = i ? strchr(p, ',') + 1 : kf;
3327 t = parse_time_or_die("force_key_frames", p, 1);
3328 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3329 }
3330}
3331
3ec34462
AK
3332static uint8_t *get_line(AVIOContext *s)
3333{
3334 AVIOContext *line;
3335 uint8_t *buf;
3336 char c;
3337
3338 if (avio_open_dyn_buf(&line) < 0) {
3339 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3340 exit_program(1);
3341 }
3342
3343 while ((c = avio_r8(s)) && c != '\n')
3344 avio_w8(line, c);
3345 avio_w8(line, 0);
3346 avio_close_dyn_buf(line, &buf);
3347
3348 return buf;
3349}
3350
3351static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3352{
3353 int i, ret = 1;
3354 char filename[1000];
3355 const char *base[3] = { getenv("AVCONV_DATADIR"),
3356 getenv("HOME"),
3357 AVCONV_DATADIR,
3358 };
3359
3360 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3361 if (!base[i])
3362 continue;
3363 if (codec_name) {
3364 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3365 i != 1 ? "" : "/.avconv", codec_name, preset_name);
2abe947a 3366 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3ec34462
AK
3367 }
3368 if (ret) {
3369 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3370 i != 1 ? "" : "/.avconv", preset_name);
2abe947a 3371 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3ec34462
AK
3372 }
3373 }
3374 return ret;
3375}
3376
1b648c7c
AK
3377static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3378{
3379 char *codec_name = NULL;
3380
3381 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3382 if (!codec_name) {
3383 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3384 NULL, ost->st->codec->codec_type);
3385 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3386 } else if (!strcmp(codec_name, "copy"))
3d813e4c 3387 ost->stream_copy = 1;
1b648c7c
AK
3388 else {
3389 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3390 ost->st->codec->codec_id = ost->enc->id;
3391 }
3392}
3393
35e6f8c1 3394static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
169f0647
AK
3395{
3396 OutputStream *ost;
84ad31ff 3397 AVStream *st = avformat_new_stream(oc, NULL);
3ec34462 3398 int idx = oc->nb_streams - 1, ret = 0;
013887eb 3399 char *bsf = NULL, *next, *codec_tag = NULL;
d821cbe2 3400 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
77d9c454 3401 double qscale = -1;
3ec34462
AK
3402 char *buf = NULL, *arg = NULL, *preset = NULL;
3403 AVIOContext *s = NULL;
169f0647
AK
3404
3405 if (!st) {
f24facd3 3406 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
169f0647
AK
3407 exit_program(1);
3408 }
3409
84ad31ff
AK
3410 if (oc->nb_streams - 1 < o->nb_streamid_map)
3411 st->id = o->streamid_map[oc->nb_streams - 1];
3412
4288e031
AK
3413 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3414 nb_output_streams + 1);
3415 ost = &output_streams[nb_output_streams - 1];
40fc2810 3416 ost->file_index = nb_output_files;
7636c8c6
AD
3417 ost->index = idx;
3418 ost->st = st;
169f0647 3419 st->codec->codec_type = type;
1b648c7c 3420 choose_encoder(o, oc, ost);
169f0647
AK
3421 if (ost->enc) {
3422 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3423 }
3424
3425 avcodec_get_context_defaults3(st->codec, ost->enc);
3426 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3427
3ec34462
AK
3428 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3429 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3430 do {
3431 buf = get_line(s);
3432 if (!buf[0] || buf[0] == '#') {
3433 av_free(buf);
3434 continue;
3435 }
3436 if (!(arg = strchr(buf, '='))) {
3437 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3438 exit_program(1);
3439 }
3440 *arg++ = 0;
3441 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3442 av_free(buf);
3443 } while (!s->eof_reached);
3444 avio_close(s);
3445 }
3446 if (ret) {
3447 av_log(NULL, AV_LOG_FATAL,
3448 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3449 preset, ost->file_index, ost->index);
3450 exit_program(1);
3451 }
3452
059fb8c8
AK
3453 ost->max_frames = INT64_MAX;
3454 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
96139b5e 3455
d821cbe2
AK
3456 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3457 while (bsf) {
3458 if (next = strchr(bsf, ','))
3459 *next++ = 0;
3460 if (!(bsfc = av_bitstream_filter_init(bsf))) {
f24facd3 3461 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
d821cbe2
AK
3462 exit_program(1);
3463 }
3464 if (bsfc_prev)
3465 bsfc_prev->next = bsfc;
3466 else
3467 ost->bitstream_filters = bsfc;
3468
3469 bsfc_prev = bsfc;
3470 bsf = next;
3471 }
3472
013887eb
AK
3473 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3474 if (codec_tag) {
3475 uint32_t tag = strtol(codec_tag, &next, 0);
3476 if (*next)
3477 tag = AV_RL32(codec_tag);
3478 st->codec->codec_tag = tag;
3479 }
3480
77d9c454
AK
3481 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3482 if (qscale >= 0 || same_quant) {
3483 st->codec->flags |= CODEC_FLAG_QSCALE;
3484 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3485 }
3486
becdce99
AK
3487 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3488 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3489
3b3ea346 3490 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
169f0647
AK
3491 return ost;
3492}
3493
2c2cff16
AK
3494static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3495{
3496 int i;
3497 const char *p = str;
7636c8c6 3498 for (i = 0;; i++) {
2c2cff16 3499 dest[i] = atoi(p);
7636c8c6 3500 if (i == 63)
2c2cff16
AK
3501 break;
3502 p = strchr(p, ',');
7636c8c6 3503 if (!p) {
e3245b26 3504 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
2c2cff16
AK
3505 exit_program(1);
3506 }
3507 p++;
3508 }
3509}
3510
35e6f8c1 3511static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK
3512{
3513 AVStream *st;
3514 OutputStream *ost;
3515 AVCodecContext *video_enc;
6291d7e4 3516
35e6f8c1 3517 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
6291d7e4 3518 st = ost->st;
6291d7e4
AK
3519 video_enc = st->codec;
3520
3d813e4c 3521 if (!ost->stream_copy) {
0e68c783 3522 const char *p = NULL;
d4397b03 3523 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
b2254d83 3524 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
8e5ce590 3525 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
059fb8c8 3526 int i;
6291d7e4 3527
91ea4811
AK
3528 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3529 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
f24facd3 3530 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
91ea4811
AK
3531 exit_program(1);
3532 }
6291d7e4 3533
d4397b03
AK
3534 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3535 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
f24facd3 3536 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
d4397b03
AK
3537 exit_program(1);
3538 }
3539
ca46fde7
AK
3540 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3541 if (frame_aspect_ratio)
3542 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3543
b2254d83
AK
3544 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3545 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
f24facd3 3546 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
b2254d83
AK
3547 exit_program(1);
3548 }
6291d7e4
AK
3549 st->sample_a