avconv: free bitstream filters
[libav.git] / avconv.c
CommitLineData
6291d7e4
AK
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"
6291d7e4
AK
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"
6291d7e4
AK
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 */
6291d7e4
AK
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 {
02494787
DB
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
6291d7e4
AK
98} MetadataMap;
99
6291d7e4
AK
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;
6291d7e4
AK
109static int do_benchmark = 0;
110static int do_hex_dump = 0;
111static int do_pkt_dump = 0;
6291d7e4
AK
112static int do_pass = 0;
113static char *pass_logfilename_prefix = NULL;
7636c8c6
AD
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;
6291d7e4
AK
119static int opt_shortest = 0;
120static char *vstats_filename;
121static FILE *vstats_file;
6291d7e4 122
6291d7e4
AK
123static int audio_volume = 256;
124
125static int exit_on_error = 0;
126static int using_stdin = 0;
6291d7e4
AK
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;
6291d7e4
AK
133
134static float dts_delta_threshold = 10;
135
3460dd8a
AK
136static int print_stats = 1;
137
6291d7e4
AK
138static uint8_t *audio_buf;
139static uint8_t *audio_out;
140static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
141
6291d7e4
AK
142#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
143
64dca32c
AK
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
6494c001
AK
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;
9179f27c
JR
163 AVFrame *decoded_frame;
164 AVFrame *filtered_frame;
6494c001
AK
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;
64dca32c
AK
175
176 /* a pool of free buffers for decoded data */
177 FrameBuffer *buffer_pool;
6494c001
AK
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;
ed5b1326
AK
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;
6291d7e4
AK
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
6291d7e4
AK
203 AVBitStreamFilterContext *bitstream_filters;
204 AVCodec *enc;
96139b5e 205 int64_t max_frames;
6291d7e4
AK
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;
6291d7e4
AK
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
f8c314c8
AK
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;
6291d7e4
AK
250} OutputStream;
251
6291d7e4 252
af70aa45
AK
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;
af70aa45
AK
260} OutputFile;
261
7636c8c6 262static InputStream *input_streams = NULL;
6291d7e4 263static int nb_input_streams = 0;
7636c8c6 264static InputFile *input_files = NULL;
6291d7e4
AK
265static int nb_input_files = 0;
266
4288e031
AK
267static OutputStream *output_streams = NULL;
268static int nb_output_streams = 0;
af70aa45
AK
269static OutputFile *output_files = NULL;
270static int nb_output_files = 0;
271
575ec4e1 272typedef struct OptionsContext {
6b779ccc
AK
273 /* input/output options */
274 int64_t start_time;
7041bb3b 275 const char *format;
6b779ccc 276
35e6f8c1
AK
277 SpecifierOpt *codec_names;
278 int nb_codec_names;
6a11686d
AK
279 SpecifierOpt *audio_channels;
280 int nb_audio_channels;
e2469ccf
AK
281 SpecifierOpt *audio_sample_rate;
282 int nb_audio_sample_rate;
91ea4811
AK
283 SpecifierOpt *frame_rates;
284 int nb_frame_rates;
d4397b03
AK
285 SpecifierOpt *frame_sizes;
286 int nb_frame_sizes;
b2254d83
AK
287 SpecifierOpt *frame_pix_fmts;
288 int nb_frame_pix_fmts;
35e6f8c1 289
6b779ccc
AK
290 /* input options */
291 int64_t input_ts_offset;
f4805328 292 int rate_emu;
6b779ccc 293
33f75d72
AK
294 SpecifierOpt *ts_scale;
295 int nb_ts_scale;
a2c0b830
AK
296 SpecifierOpt *dump_attachment;
297 int nb_dump_attachment;
33f75d72 298
575ec4e1
AK
299 /* output options */
300 StreamMap *stream_maps;
301 int nb_stream_maps;
847529f8
AK
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;
4dbc6cee
AK
308 const char **attachments;
309 int nb_attachments;
6b779ccc 310
c5bb372e
AK
311 int chapters_input_file;
312
6b779ccc 313 int64_t recording_time;
13ccba50 314 uint64_t limit_filesize;
dc26318c
AK
315 float mux_preload;
316 float mux_max_delay;
039267f1 317
2130981a
AK
318 int video_disable;
319 int audio_disable;
320 int subtitle_disable;
321 int data_disable;
322
495ecfd1
AK
323 /* indexed by output file stream index */
324 int *streamid_map;
325 int nb_streamid_map;
326
039267f1
AK
327 SpecifierOpt *metadata;
328 int nb_metadata;
96139b5e
AK
329 SpecifierOpt *max_frames;
330 int nb_max_frames;
d821cbe2
AK
331 SpecifierOpt *bitstream_filters;
332 int nb_bitstream_filters;
013887eb
AK
333 SpecifierOpt *codec_tags;
334 int nb_codec_tags;
05bffc12
AK
335 SpecifierOpt *sample_fmts;
336 int nb_sample_fmts;
77d9c454
AK
337 SpecifierOpt *qscale;
338 int nb_qscale;
7c029672
AK
339 SpecifierOpt *forced_key_frames;
340 int nb_forced_key_frames;
bef737a7
AK
341 SpecifierOpt *force_fps;
342 int nb_force_fps;
ca46fde7
AK
343 SpecifierOpt *frame_aspect_ratios;
344 int nb_frame_aspect_ratios;
0e68c783
AK
345 SpecifierOpt *rc_overrides;
346 int nb_rc_overrides;
2c2cff16
AK
347 SpecifierOpt *intra_matrices;
348 int nb_intra_matrices;
349 SpecifierOpt *inter_matrices;
350 int nb_inter_matrices;
828e0bcb
AK
351 SpecifierOpt *top_field_first;
352 int nb_top_field_first;
a7b5e841
AK
353 SpecifierOpt *metadata_map;
354 int nb_metadata_map;
3ec34462
AK
355 SpecifierOpt *presets;
356 int nb_presets;
a2aeeb22
AK
357 SpecifierOpt *copy_initial_nonkeyframes;
358 int nb_copy_initial_nonkeyframes;
8e5ce590
AK
359#if CONFIG_AVFILTER
360 SpecifierOpt *filters;
361 int nb_filters;
362#endif
575ec4e1
AK
363} OptionsContext;
364
35e6f8c1
AK
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
575ec4e1
AK
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);
575ec4e1
AK
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
575ec4e1
AK
411 uninit_opts();
412 init_opts();
413}
414
64dca32c
AK
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
04a14d4d
AK
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
6291d7e4
AK
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
6291d7e4
AK
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) {
6291d7e4
AK
575 snprintf(args, 255, "%d:%d:flags=0x%X",
576 codec->width,
577 codec->height,
3b3ea346 578 (unsigned)ost->sws_flags);
6291d7e4
AK
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);
6291d7e4
AK
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) :
6291d7e4
AK
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
AK
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
AK
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
AK
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;
6291d7e4
AK
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 }
1135a071
JG
670 for (i = 0; i < nb_output_streams; i++) {
671 AVBitStreamFilterContext *bsfc = output_streams[i].bitstream_filters;
672 while (bsfc) {
673 AVBitStreamFilterContext *next = bsfc->next;
674 av_bitstream_filter_close(bsfc);
675 bsfc = next;
676 }
677 output_streams[i].bitstream_filters = NULL;
678 }
7636c8c6 679 for (i = 0; i < nb_input_files; i++) {
cd3716b9 680 avformat_close_input(&input_files[i].ctx);
6291d7e4 681 }
9179f27c
JR
682 for (i = 0; i < nb_input_streams; i++) {
683 av_freep(&input_streams[i].decoded_frame);
684 av_freep(&input_streams[i].filtered_frame);
6291d7e4 685 av_dict_free(&input_streams[i].opts);
64dca32c 686 free_buffer_pool(&input_streams[i]);
9179f27c 687 }
6291d7e4 688
6291d7e4
AK
689 if (vstats_file)
690 fclose(vstats_file);
691 av_free(vstats_filename);
692
6291d7e4
AK
693 av_freep(&input_streams);
694 av_freep(&input_files);
4288e031 695 av_freep(&output_streams);
af70aa45 696 av_freep(&output_files);
6291d7e4 697
6291d7e4
AK
698 uninit_opts();
699 av_free(audio_buf);
700 av_free(audio_out);
7636c8c6 701 allocated_audio_buf_size = allocated_audio_out_size = 0;
6291d7e4
AK
702
703#if CONFIG_AVFILTER
704 avfilter_uninit();
705#endif
776f2bb9 706 avformat_network_deinit();
6291d7e4
AK
707
708 if (received_sigterm) {
e3245b26
AK
709 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
710 (int) received_sigterm);
6291d7e4
AK
711 exit (255);
712 }
713
f75e3d25 714 exit(ret);
6291d7e4
AK
715}
716
717static void assert_avoptions(AVDictionary *m)
718{
719 AVDictionaryEntry *t;
720 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
f24facd3 721 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
6291d7e4
AK
722 exit_program(1);
723 }
724}
725
726static void assert_codec_experimental(AVCodecContext *c, int encoder)
727{
728 const char *codec_string = encoder ? "encoder" : "decoder";
729 AVCodec *codec;
730 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
731 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
f24facd3 732 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
6291d7e4
AK
733 "results.\nAdd '-strict experimental' if you want to use it.\n",
734 codec_string, c->codec->name);
735 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
736 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
f24facd3 737 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
6291d7e4
AK
738 codec_string, codec->name);
739 exit_program(1);
740 }
741}
742
6291d7e4
AK
743static void choose_sample_fmt(AVStream *st, AVCodec *codec)
744{
7636c8c6
AD
745 if (codec && codec->sample_fmts) {
746 const enum AVSampleFormat *p = codec->sample_fmts;
747 for (; *p != -1; p++) {
748 if (*p == st->codec->sample_fmt)
6291d7e4
AK
749 break;
750 }
751 if (*p == -1) {
752 av_log(NULL, AV_LOG_WARNING,
753 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
754 av_get_sample_fmt_name(st->codec->sample_fmt),
755 codec->name,
756 av_get_sample_fmt_name(codec->sample_fmts[0]));
757 st->codec->sample_fmt = codec->sample_fmts[0];
758 }
759 }
760}
761
762/**
763 * Update the requested input sample format based on the output sample format.
764 * This is currently only used to request float output from decoders which
765 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
766 * Ideally this will be removed in the future when decoders do not do format
767 * conversion and only output in their native format.
768 */
769static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
770 AVCodecContext *enc)
771{
772 /* if sample formats match or a decoder sample format has already been
773 requested, just return */
774 if (enc->sample_fmt == dec->sample_fmt ||
775 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
776 return;
777
778 /* if decoder supports more than one output format */
779 if (dec_codec && dec_codec->sample_fmts &&
780 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
781 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
782 const enum AVSampleFormat *p;
783 int min_dec = -1, min_inc = -1;
784
785 /* find a matching sample format in the encoder */
786 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
787 if (*p == enc->sample_fmt) {
788 dec->request_sample_fmt = *p;
789 return;
790 } else if (*p > enc->sample_fmt) {
791 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
792 } else
793 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
794 }
795
796 /* if none match, provide the one that matches quality closest */
797 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
798 enc->sample_fmt - min_dec;
799 }
800}
801
802static void choose_sample_rate(AVStream *st, AVCodec *codec)
803{
7636c8c6
AD
804 if (codec && codec->supported_samplerates) {
805 const int *p = codec->supported_samplerates;
806 int best = 0;
807 int best_dist = INT_MAX;
808 for (; *p; p++) {
809 int dist = abs(st->codec->sample_rate - *p);
810 if (dist < best_dist) {
811 best_dist = dist;
812 best = *p;
6291d7e4
AK
813 }
814 }
7636c8c6 815 if (best_dist) {
6291d7e4
AK
816 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
817 }
7636c8c6 818 st->codec->sample_rate = best;
6291d7e4
AK
819 }
820}
821
822static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
823{
7636c8c6
AD
824 if (codec && codec->pix_fmts) {
825 const enum PixelFormat *p = codec->pix_fmts;
826 if (st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
827 if (st->codec->codec_id == CODEC_ID_MJPEG) {
828 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
829 } else if (st->codec->codec_id == CODEC_ID_LJPEG) {
830 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
831 PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
6291d7e4
AK
832 }
833 }
105ab61c 834 for (; *p != PIX_FMT_NONE; p++) {
7636c8c6 835 if (*p == st->codec->pix_fmt)
6291d7e4
AK
836 break;
837 }
105ab61c 838 if (*p == PIX_FMT_NONE) {
7636c8c6 839 if (st->codec->pix_fmt != PIX_FMT_NONE)
6291d7e4 840 av_log(NULL, AV_LOG_WARNING,
7636c8c6
AD
841 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
842 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
843 codec->name,
844 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
6291d7e4
AK
845 st->codec->pix_fmt = codec->pix_fmts[0];
846 }
847 }
848}
849
6291d7e4
AK
850static double
851get_sync_ipts(const OutputStream *ost)
852{
853 const InputStream *ist = ost->sync_ist;
ea065176 854 OutputFile *of = &output_files[ost->file_index];
7636c8c6 855 return (double)(ist->pts - of->start_time) / AV_TIME_BASE;
6291d7e4
AK
856}
857
7636c8c6
AD
858static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc)
859{
6291d7e4
AK
860 int ret;
861
7636c8c6
AD
862 while (bsfc) {
863 AVPacket new_pkt = *pkt;
864 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
865 &new_pkt.data, &new_pkt.size,
866 pkt->data, pkt->size,
867 pkt->flags & AV_PKT_FLAG_KEY);
868 if (a > 0) {
6291d7e4 869 av_free_packet(pkt);
7636c8c6
AD
870 new_pkt.destruct = av_destruct_packet;
871 } else if (a < 0) {
e3245b26
AK
872 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
873 bsfc->filter->name, pkt->stream_index,
874 avctx->codec ? avctx->codec->name : "copy");
6291d7e4
AK
875 print_error("", a);
876 if (exit_on_error)
877 exit_program(1);
878 }
7636c8c6 879 *pkt = new_pkt;
6291d7e4 880
7636c8c6 881 bsfc = bsfc->next;
6291d7e4
AK
882 }
883
7636c8c6
AD
884 ret = av_interleaved_write_frame(s, pkt);
885 if (ret < 0) {
6291d7e4
AK
886 print_error("av_interleaved_write_frame()", ret);
887 exit_program(1);
888 }
889}
890
fdab793a
AC
891static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
892{
893 int fill_char = 0x00;
894 if (sample_fmt == AV_SAMPLE_FMT_U8)
895 fill_char = 0x80;
896 memset(buf, fill_char, size);
897}
898
d1241ff3
JR
899static void do_audio_out(AVFormatContext *s, OutputStream *ost,
900 InputStream *ist, AVFrame *decoded_frame)
6291d7e4
AK
901{
902 uint8_t *buftmp;
903 int64_t audio_out_size, audio_buf_size;
6291d7e4
AK
904
905 int size_out, frame_bytes, ret, resample_changed;
7636c8c6
AD
906 AVCodecContext *enc = ost->st->codec;
907 AVCodecContext *dec = ist->st->codec;
6291d7e4
AK
908 int osize = av_get_bytes_per_sample(enc->sample_fmt);
909 int isize = av_get_bytes_per_sample(dec->sample_fmt);
910 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
d1241ff3
JR
911 uint8_t *buf = decoded_frame->data[0];
912 int size = decoded_frame->nb_samples * dec->channels * isize;
913 int64_t allocated_for_size = size;
6291d7e4
AK
914
915need_realloc:
7636c8c6
AD
916 audio_buf_size = (allocated_for_size + isize * dec->channels - 1) / (isize * dec->channels);
917 audio_buf_size = (audio_buf_size * enc->sample_rate + dec->sample_rate) / dec->sample_rate;
918 audio_buf_size = audio_buf_size * 2 + 10000; // safety factors for the deprecated resampling API
919 audio_buf_size = FFMAX(audio_buf_size, enc->frame_size);
920 audio_buf_size *= osize * enc->channels;
921
922 audio_out_size = FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
923 if (coded_bps > 8 * osize)
924 audio_out_size = audio_out_size * coded_bps / (8*osize);
6291d7e4
AK
925 audio_out_size += FF_MIN_BUFFER_SIZE;
926
7636c8c6 927 if (audio_out_size > INT_MAX || audio_buf_size > INT_MAX) {
e3245b26 928 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
6291d7e4
AK
929 exit_program(1);
930 }
931
932 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
933 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
7636c8c6 934 if (!audio_buf || !audio_out) {
e3245b26 935 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
6291d7e4
AK
936 exit_program(1);
937 }
938
939 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
940 ost->audio_resample = 1;
941
942 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
943 ost->resample_channels != dec->channels ||
944 ost->resample_sample_rate != dec->sample_rate;
945
946 if ((ost->audio_resample && !ost->resample) || resample_changed) {
947 if (resample_changed) {
9a414d89 948 av_log(NULL, AV_LOG_INFO, "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n",
6291d7e4
AK
949 ist->file_index, ist->st->index,
950 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
951 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
952 ost->resample_sample_fmt = dec->sample_fmt;
953 ost->resample_channels = dec->channels;
954 ost->resample_sample_rate = dec->sample_rate;
955 if (ost->resample)
956 audio_resample_close(ost->resample);
957 }
958 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
959 if (audio_sync_method <= 1 &&
960 ost->resample_sample_fmt == enc->sample_fmt &&
961 ost->resample_channels == enc->channels &&
962 ost->resample_sample_rate == enc->sample_rate) {
963 ost->resample = NULL;
964 ost->audio_resample = 0;
965 } else if (ost->audio_resample) {
966 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
e3245b26 967 av_log(NULL, AV_LOG_WARNING, "Using s16 intermediate sample format for resampling\n");
6291d7e4
AK
968 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
969 enc->sample_rate, dec->sample_rate,
970 enc->sample_fmt, dec->sample_fmt,
971 16, 10, 0, 0.8);
972 if (!ost->resample) {
e3245b26
AK
973 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
974 dec->channels, dec->sample_rate,
975 enc->channels, enc->sample_rate);
6291d7e4
AK
976 exit_program(1);
977 }
978 }
979 }
980
981#define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
7636c8c6
AD
982 if (!ost->audio_resample && dec->sample_fmt != enc->sample_fmt &&
983 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt) != ost->reformat_pair) {
6291d7e4
AK
984 if (ost->reformat_ctx)
985 av_audio_convert_free(ost->reformat_ctx);
986 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
987 dec->sample_fmt, 1, NULL, 0);
988 if (!ost->reformat_ctx) {
e3245b26
AK
989 av_log(NULL, AV_LOG_FATAL, "Cannot convert %s sample format to %s sample format\n",
990 av_get_sample_fmt_name(dec->sample_fmt),
991 av_get_sample_fmt_name(enc->sample_fmt));
6291d7e4
AK
992 exit_program(1);
993 }
7636c8c6 994 ost->reformat_pair = MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
6291d7e4
AK
995 }
996
7636c8c6
AD
997 if (audio_sync_method) {
998 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts -
999 av_fifo_size(ost->fifo) / (enc->channels * osize);
fdab793a
AC
1000 int idelta = delta * dec->sample_rate / enc->sample_rate;
1001 int byte_delta = idelta * isize * dec->channels;
6291d7e4 1002
7636c8c6
AD
1003 // FIXME resample delay
1004 if (fabs(delta) > 50) {
1005 if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) {
1006 if (byte_delta < 0) {
1007 byte_delta = FFMAX(byte_delta, -size);
6291d7e4
AK
1008 size += byte_delta;
1009 buf -= byte_delta;
fdab793a
AC
1010 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
1011 -byte_delta / (isize * dec->channels));
7636c8c6 1012 if (!size)
6291d7e4 1013 return;
7636c8c6
AD
1014 ist->is_start = 0;
1015 } else {
1016 static uint8_t *input_tmp = NULL;
1017 input_tmp = av_realloc(input_tmp, byte_delta + size);
6291d7e4 1018
7636c8c6
AD
1019 if (byte_delta > allocated_for_size - size) {
1020 allocated_for_size = byte_delta + (int64_t)size;
6291d7e4
AK
1021 goto need_realloc;
1022 }
7636c8c6 1023 ist->is_start = 0;
6291d7e4 1024
fdab793a 1025 generate_silence(input_tmp, dec->sample_fmt, byte_delta);
6291d7e4 1026 memcpy(input_tmp + byte_delta, buf, size);
7636c8c6 1027 buf = input_tmp;
6291d7e4 1028 size += byte_delta;
fdab793a 1029 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
6291d7e4 1030 }
7636c8c6
AD
1031 } else if (audio_sync_method > 1) {
1032 int comp = av_clip(delta, -audio_sync_method, audio_sync_method);
6291d7e4 1033 av_assert0(ost->audio_resample);
e3245b26
AK
1034 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
1035 delta, comp, enc->sample_rate);
6291d7e4
AK
1036// 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));
1037 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
1038 }
1039 }
7636c8c6
AD
1040 } else
1041 ost->sync_opts = lrintf(get_sync_ipts(ost) * enc->sample_rate) -
1042 av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong
6291d7e4
AK
1043
1044 if (ost->audio_resample) {
1045 buftmp = audio_buf;
1046 size_out = audio_resample(ost->resample,
1047 (short *)buftmp, (short *)buf,
1048 size / (dec->channels * isize));
1049 size_out = size_out * enc->channels * osize;
1050 } else {
1051 buftmp = buf;
1052 size_out = size;
1053 }
1054
7636c8c6
AD
1055 if (!ost->audio_resample && dec->sample_fmt != enc->sample_fmt) {
1056 const void *ibuf[6] = { buftmp };
1057 void *obuf[6] = { audio_buf };
1058 int istride[6] = { isize };
1059 int ostride[6] = { osize };
1060 int len = size_out / istride[0];
1061 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len) < 0) {
6291d7e4
AK
1062 printf("av_audio_convert() failed\n");
1063 if (exit_on_error)
1064 exit_program(1);
1065 return;
1066 }
1067 buftmp = audio_buf;
7636c8c6 1068 size_out = len * osize;
6291d7e4
AK
1069 }
1070
1071 /* now encode as many frames as possible */
1072 if (enc->frame_size > 1) {
1073 /* output resampled raw samples */
1074 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
e3245b26 1075 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
6291d7e4
AK
1076 exit_program(1);
1077 }
1078 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
1079
1080 frame_bytes = enc->frame_size * osize * enc->channels;
1081
1082 while (av_fifo_size(ost->fifo) >= frame_bytes) {
1083 AVPacket pkt;
1084 av_init_packet(&pkt);
1085
1086 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
1087
7636c8c6 1088 // FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
6291d7e4
AK
1089
1090 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
1091 (short *)audio_buf);
1092 if (ret < 0) {
e3245b26 1093 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
6291d7e4
AK
1094 exit_program(1);
1095 }
1096 audio_size += ret;
7636c8c6
AD
1097 pkt.stream_index = ost->index;
1098 pkt.data = audio_out;
1099 pkt.size = ret;
1100 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1101 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
6291d7e4
AK
1102 pkt.flags |= AV_PKT_FLAG_KEY;
1103 write_frame(s, &pkt, enc, ost->bitstream_filters);
1104
1105 ost->sync_opts += enc->frame_size;
1106 }
1107 } else {
1108 AVPacket pkt;
1109 av_init_packet(&pkt);
1110
1111 ost->sync_opts += size_out / (osize * enc->channels);
1112
1113 /* output a pcm frame */
1114 /* determine the size of the coded buffer */
1115 size_out /= osize;
1116 if (coded_bps)
7636c8c6 1117 size_out = size_out * coded_bps / 8;
6291d7e4 1118
7636c8c6 1119 if (size_out > audio_out_size) {
e3245b26 1120 av_log(NULL, AV_LOG_FATAL, "Internal error, buffer size too small\n");
6291d7e4
AK
1121 exit_program(1);
1122 }
1123
7636c8c6 1124 // FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
6291d7e4
AK
1125 ret = avcodec_encode_audio(enc, audio_out, size_out,
1126 (short *)buftmp);
1127 if (ret < 0) {
e3245b26 1128 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
6291d7e4
AK
1129 exit_program(1);
1130 }
1131 audio_size += ret;
7636c8c6
AD
1132 pkt.stream_index = ost->index;
1133 pkt.data = audio_out;
1134 pkt.size = ret;
1135 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1136 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
6291d7e4
AK
1137 pkt.flags |= AV_PKT_FLAG_KEY;
1138 write_frame(s, &pkt, enc, ost->bitstream_filters);
1139 }
1140}
1141
1142static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1143{
1144 AVCodecContext *dec;
1145 AVPicture *picture2;
1146 AVPicture picture_tmp;
1147 uint8_t *buf = 0;
1148
1149 dec = ist->st->codec;
1150
1151 /* deinterlace : must be done before any resize */
1152 if (do_deinterlace) {
1153 int size;
1154
1155 /* create temporary picture */
1156 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
7636c8c6 1157 buf = av_malloc(size);
6291d7e4
AK
1158 if (!buf)
1159 return;
1160
1161 picture2 = &picture_tmp;
1162 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1163
7636c8c6 1164 if (avpicture_deinterlace(picture2, picture,
6291d7e4
AK
1165 dec->pix_fmt, dec->width, dec->height) < 0) {
1166 /* if error, do not deinterlace */
e3245b26 1167 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
6291d7e4
AK
1168 av_free(buf);
1169 buf = NULL;
1170 picture2 = picture;
1171 }
1172 } else {
1173 picture2 = picture;
1174 }
1175
1176 if (picture != picture2)
1177 *picture = *picture2;
1178 *bufp = buf;
1179}
1180
6291d7e4
AK
1181static void do_subtitle_out(AVFormatContext *s,
1182 OutputStream *ost,
1183 InputStream *ist,
1184 AVSubtitle *sub,
1185 int64_t pts)
1186{
1187 static uint8_t *subtitle_out = NULL;
1188 int subtitle_out_max_size = 1024 * 1024;
1189 int subtitle_out_size, nb, i;
1190 AVCodecContext *enc;
1191 AVPacket pkt;
1192
1193 if (pts == AV_NOPTS_VALUE) {
e3245b26 1194 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
6291d7e4
AK
1195 if (exit_on_error)
1196 exit_program(1);
1197 return;
1198 }
1199
1200 enc = ost->st->codec;
1201
1202 if (!subtitle_out) {
1203 subtitle_out = av_malloc(subtitle_out_max_size);
1204 }
1205
1206 /* Note: DVB subtitle need one packet to draw them and one other
1207 packet to clear them */
1208 /* XXX: signal it in the codec context ? */
1209 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1210 nb = 2;
1211 else
1212 nb = 1;
1213
7636c8c6 1214 for (i = 0; i < nb; i++) {
6291d7e4
AK
1215 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1216 // start_display_time is required to be 0
7636c8c6
AD
1217 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1218 sub->end_display_time -= sub->start_display_time;
6291d7e4
AK
1219 sub->start_display_time = 0;
1220 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1221 subtitle_out_max_size, sub);
1222 if (subtitle_out_size < 0) {
e3245b26 1223 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
6291d7e4
AK
1224 exit_program(1);
1225 }
1226
1227 av_init_packet(&pkt);
1228 pkt.stream_index = ost->index;
1229 pkt.data = subtitle_out;
1230 pkt.size = subtitle_out_size;
7636c8c6 1231 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
6291d7e4
AK
1232 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1233 /* XXX: the pts correction is handled here. Maybe handling
1234 it in the codec would be better */
1235 if (i == 0)
1236 pkt.pts += 90 * sub->start_display_time;
1237 else
1238 pkt.pts += 90 * sub->end_display_time;
1239 }
1240 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1241 }
1242}
1243
7636c8c6
AD
1244static int bit_buffer_size = 1024 * 256;
1245static uint8_t *bit_buffer = NULL;
6291d7e4 1246
87ef060c
AC
1247static void do_video_resample(OutputStream *ost,
1248 InputStream *ist,
1249 AVFrame *in_picture,
1250 AVFrame **out_picture)
6291d7e4 1251{
87ef060c
AC
1252 int resample_changed = 0;
1253 AVCodecContext *dec = ist->st->codec;
1254 *out_picture = in_picture;
6291d7e4
AK
1255
1256 resample_changed = ost->resample_width != dec->width ||
1257 ost->resample_height != dec->height ||
1258 ost->resample_pix_fmt != dec->pix_fmt;
1259
1260 if (resample_changed) {
1261 av_log(NULL, AV_LOG_INFO,
9a414d89 1262 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
6291d7e4
AK
1263 ist->file_index, ist->st->index,
1264 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1265 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
7636c8c6 1266 if (!ost->video_resample)
5c59fa56 1267 ost->video_resample = 1;
6291d7e4
AK
1268 }
1269
1270#if !CONFIG_AVFILTER
1271 if (ost->video_resample) {
87ef060c 1272 *out_picture = &ost->pict_tmp;
6291d7e4
AK
1273 if (resample_changed) {
1274 /* initialize a new scaler context */
1275 sws_freeContext(ost->img_resample_ctx);
1276 ost->img_resample_ctx = sws_getContext(
1277 ist->st->codec->width,
1278 ist->st->codec->height,
1279 ist->st->codec->pix_fmt,
1280 ost->st->codec->width,
1281 ost->st->codec->height,
1282 ost->st->codec->pix_fmt,
1283 ost->sws_flags, NULL, NULL, NULL);
1284 if (ost->img_resample_ctx == NULL) {
e3245b26 1285 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
6291d7e4
AK
1286 exit_program(1);
1287 }
1288 }
87ef060c
AC
1289 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1290 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
6291d7e4 1291 }
428c59d9
K
1292#else
1293 if (resample_changed) {
1294 avfilter_graph_free(&ost->graph);
1295 if (configure_video_filters(ist, ost)) {
e3245b26 1296 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
428c59d9
K
1297 exit_program(1);
1298 }
1299 }
6291d7e4 1300#endif
428c59d9
K
1301 if (resample_changed) {
1302 ost->resample_width = dec->width;
1303 ost->resample_height = dec->height;
1304 ost->resample_pix_fmt = dec->pix_fmt;
1305 }
87ef060c
AC
1306}
1307
1308
1309static void do_video_out(AVFormatContext *s,
1310 OutputStream *ost,
1311 InputStream *ist,
1312 AVFrame *in_picture,
1313 int *frame_size, float quality)
1314{
553735f5 1315 int nb_frames, i, ret, format_video_sync;
87ef060c 1316 AVFrame *final_picture;
f593628e 1317 AVCodecContext *enc;
87ef060c
AC
1318 double sync_ipts;
1319
1320 enc = ost->st->codec;
87ef060c
AC
1321
1322 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1323
1324 /* by default, we output a single frame */
1325 nb_frames = 1;
1326
1327 *frame_size = 0;
1328
553735f5
AC
1329 format_video_sync = video_sync_method;
1330 if (format_video_sync < 0)
e1edfbcb
AK
1331 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? 0 :
1332 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
553735f5
AC
1333
1334 if (format_video_sync) {
87ef060c 1335 double vdelta = sync_ipts - ost->sync_opts;
7636c8c6 1336 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
87ef060c
AC
1337 if (vdelta < -1.1)
1338 nb_frames = 0;
553735f5 1339 else if (format_video_sync == 2) {
7636c8c6
AD
1340 if (vdelta <= -0.6) {
1341 nb_frames = 0;
1342 } else if (vdelta > 0.6)
1343 ost->sync_opts = lrintf(sync_ipts);
1344 } else if (vdelta > 1.1)
87ef060c
AC
1345 nb_frames = lrintf(vdelta);
1346//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 1347 if (nb_frames == 0) {
87ef060c 1348 ++nb_frames_drop;
e3245b26 1349 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
7636c8c6 1350 } else if (nb_frames > 1) {
87ef060c 1351 nb_frames_dup += nb_frames - 1;
7636c8c6 1352 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
87ef060c 1353 }
7636c8c6
AD
1354 } else
1355 ost->sync_opts = lrintf(sync_ipts);
87ef060c 1356
96139b5e 1357 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
87ef060c
AC
1358 if (nb_frames <= 0)
1359 return;
1360
1361 do_video_resample(ost, ist, in_picture, &final_picture);
6291d7e4
AK
1362
1363 /* duplicates frame if needed */
7636c8c6 1364 for (i = 0; i < nb_frames; i++) {
6291d7e4
AK
1365 AVPacket pkt;
1366 av_init_packet(&pkt);
7636c8c6 1367 pkt.stream_index = ost->index;
6291d7e4 1368
150ddbc1
MR
1369 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1370 enc->codec->id == CODEC_ID_RAWVIDEO) {
6291d7e4 1371 /* raw pictures are written as AVPicture structure to
bb337b4f 1372 avoid any copies. We support temporarily the older
6291d7e4 1373 method. */
f593628e
AC
1374 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1375 enc->coded_frame->top_field_first = in_picture->top_field_first;
7636c8c6
AD
1376 pkt.data = (uint8_t *)final_picture;
1377 pkt.size = sizeof(AVPicture);
1378 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
6291d7e4
AK
1379 pkt.flags |= AV_PKT_FLAG_KEY;
1380
1381 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
6291d7e4
AK
1382 } else {
1383 AVFrame big_picture;
1384
7636c8c6 1385 big_picture = *final_picture;
6291d7e4
AK
1386 /* better than nothing: use input picture interlaced
1387 settings */
1388 big_picture.interlaced_frame = in_picture->interlaced_frame;
1389 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
828e0bcb 1390 if (ost->top_field_first == -1)
6291d7e4
AK
1391 big_picture.top_field_first = in_picture->top_field_first;
1392 else
828e0bcb 1393 big_picture.top_field_first = !!ost->top_field_first;
6291d7e4
AK
1394 }
1395
f4ad238c 1396 /* handles same_quant here. This is not correct because it may
6291d7e4
AK
1397 not be a global option */
1398 big_picture.quality = quality;
d242d80e 1399 if (!enc->me_threshold)
6291d7e4
AK
1400 big_picture.pict_type = 0;
1401// big_picture.pts = AV_NOPTS_VALUE;
7636c8c6 1402 big_picture.pts = ost->sync_opts;
6291d7e4 1403// big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
7636c8c6 1404// av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
6291d7e4
AK
1405 if (ost->forced_kf_index < ost->forced_kf_count &&
1406 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1407 big_picture.pict_type = AV_PICTURE_TYPE_I;
1408 ost->forced_kf_index++;
1409 }
1410 ret = avcodec_encode_video(enc,
1411 bit_buffer, bit_buffer_size,
1412 &big_picture);
1413 if (ret < 0) {
e3245b26 1414 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
6291d7e4
AK
1415 exit_program(1);
1416 }
1417
7636c8c6
AD
1418 if (ret > 0) {
1419 pkt.data = bit_buffer;
1420 pkt.size = ret;
1421 if (enc->coded_frame->pts != AV_NOPTS_VALUE)
1422 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
6291d7e4
AK
1423/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1424 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1425 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1426
7636c8c6 1427 if (enc->coded_frame->key_frame)
6291d7e4
AK
1428 pkt.flags |= AV_PKT_FLAG_KEY;
1429 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1430 *frame_size = ret;
1431 video_size += ret;
7636c8c6
AD
1432 // fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1433 // enc->frame_number-1, ret, enc->pict_type);
6291d7e4
AK
1434 /* if two pass, output log */
1435 if (ost->logfile && enc->stats_out) {
1436 fprintf(ost->logfile, "%s", enc->stats_out);
1437 }
1438 }
1439 }
1440 ost->sync_opts++;
1441 ost->frame_number++;
1442 }
1443}
1444
7636c8c6
AD
1445static double psnr(double d)
1446{
1447 return -10.0 * log(d) / log(10.0);
6291d7e4
AK
1448}
1449
1450static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1451 int frame_size)
1452{
1453 AVCodecContext *enc;
1454 int frame_number;
1455 double ti1, bitrate, avg_bitrate;
1456
1457 /* this is executed just the first time do_video_stats is called */
1458 if (!vstats_file) {
1459 vstats_file = fopen(vstats_filename, "w");
1460 if (!vstats_file) {
1461 perror("fopen");
1462 exit_program(1);
1463 }
1464 }
1465
1466 enc = ost->st->codec;
1467 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1468 frame_number = ost->frame_number;
7636c8c6 1469 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
6291d7e4 1470 if (enc->flags&CODEC_FLAG_PSNR)
7636c8c6 1471 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
6291d7e4
AK
1472
1473 fprintf(vstats_file,"f_size= %6d ", frame_size);
1474 /* compute pts value */
1475 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1476 if (ti1 < 0.01)
1477 ti1 = 0.01;
1478
7636c8c6 1479 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
6291d7e4
AK
1480 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1481 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
7636c8c6 1482 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
6291d7e4
AK
1483 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1484 }
1485}
1486
af70aa45 1487static void print_report(OutputFile *output_files,
4288e031 1488 OutputStream *ost_table, int nb_ostreams,
c5ad2c2c 1489 int is_last_report, int64_t timer_start)
6291d7e4
AK
1490{
1491 char buf[1024];
1492 OutputStream *ost;
1493 AVFormatContext *oc;
1494 int64_t total_size;
1495 AVCodecContext *enc;
1496 int frame_number, vid, i;
1497 double bitrate, ti1, pts;
1498 static int64_t last_time = -1;
1499 static int qp_histogram[52];
1500
3460dd8a
AK
1501 if (!print_stats && !is_last_report)
1502 return;
1503
6291d7e4
AK
1504 if (!is_last_report) {
1505 int64_t cur_time;
1506 /* display the report every 0.5 seconds */
1507 cur_time = av_gettime();
1508 if (last_time == -1) {
1509 last_time = cur_time;
1510 return;
1511 }
1512 if ((cur_time - last_time) < 500000)
1513 return;
1514 last_time = cur_time;
1515 }
1516
1517
af70aa45 1518 oc = output_files[0].ctx;
6291d7e4
AK
1519
1520 total_size = avio_size(oc->pb);
7636c8c6
AD
1521 if (total_size < 0) // FIXME improve avio_size() so it works with non seekable output too
1522 total_size = avio_tell(oc->pb);
6291d7e4
AK
1523
1524 buf[0] = '\0';
1525 ti1 = 1e10;
1526 vid = 0;
7636c8c6 1527 for (i = 0; i < nb_ostreams; i++) {
6291d7e4 1528 float q = -1;
4288e031 1529 ost = &ost_table[i];
6291d7e4 1530 enc = ost->st->codec;
3d813e4c 1531 if (!ost->stream_copy && enc->coded_frame)
7636c8c6 1532 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
6291d7e4
AK
1533 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1534 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1535 }
1536 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
7636c8c6 1537 float t = (av_gettime() - timer_start) / 1000000.0;
6291d7e4
AK
1538
1539 frame_number = ost->frame_number;
1540 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
7636c8c6
AD
1541 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
1542 if (is_last_report)
6291d7e4 1543 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
7636c8c6 1544 if (qp_hist) {
6291d7e4
AK
1545 int j;
1546 int qp = lrintf(q);
7636c8c6 1547 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
6291d7e4 1548 qp_histogram[qp]++;
7636c8c6
AD
1549 for (j = 0; j < 32; j++)
1550 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
6291d7e4 1551 }
7636c8c6 1552 if (enc->flags&CODEC_FLAG_PSNR) {
6291d7e4 1553 int j;
7636c8c6
AD
1554 double error, error_sum = 0;
1555 double scale, scale_sum = 0;
1556 char type[3] = { 'Y','U','V' };
6291d7e4 1557 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
7636c8c6
AD
1558 for (j = 0; j < 3; j++) {
1559 if (is_last_report) {
1560 error = enc->error[j];
1561 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1562 } else {
1563 error = enc->coded_frame->error[j];
1564 scale = enc->width * enc->height * 255.0 * 255.0;
6291d7e4 1565 }
7636c8c6
AD
1566 if (j)
1567 scale /= 4;
6291d7e4
AK
1568 error_sum += error;
1569 scale_sum += scale;
7636c8c6 1570 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
6291d7e4 1571 }
7636c8c6 1572 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
6291d7e4
AK
1573 }
1574 vid = 1;
1575 }
1576 /* compute min output value */
1577 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1578 if ((pts < ti1) && (pts > 0))
1579 ti1 = pts;
1580 }
1581 if (ti1 < 0.01)
1582 ti1 = 0.01;
1583
e3245b26 1584 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
6291d7e4 1585
e3245b26 1586 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
6291d7e4
AK
1587 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1588 (double)total_size / 1024, ti1, bitrate);
1589
e3245b26
AK
1590 if (nb_frames_dup || nb_frames_drop)
1591 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1592 nb_frames_dup, nb_frames_drop);
6291d7e4 1593
f5646a32 1594 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
6291d7e4 1595
e3245b26 1596 fflush(stderr);
6291d7e4 1597
e3245b26 1598 if (is_last_report) {
6291d7e4 1599 int64_t raw= audio_size + video_size + extra_size;
e3245b26
AK
1600 av_log(NULL, AV_LOG_INFO, "\n");
1601 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
7636c8c6
AD
1602 video_size / 1024.0,
1603 audio_size / 1024.0,
1604 extra_size / 1024.0,
1605 100.0 * (total_size - raw) / raw
6291d7e4
AK
1606 );
1607 }
1608}
1609
b62b5cb6 1610static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
4a4ce2e7
AK
1611{
1612 int i, ret;
1613
1614 for (i = 0; i < nb_ostreams; i++) {
6f1c66d5
AK
1615 OutputStream *ost = &ost_table[i];
1616 AVCodecContext *enc = ost->st->codec;
1617 AVFormatContext *os = output_files[ost->file_index].ctx;
1618
b62b5cb6 1619 if (!ost->encoding_needed)
6f1c66d5
AK
1620 continue;
1621
7636c8c6 1622 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
6f1c66d5 1623 continue;
150ddbc1 1624 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
6f1c66d5
AK
1625 continue;
1626
7636c8c6 1627 for (;;) {
6f1c66d5
AK
1628 AVPacket pkt;
1629 int fifo_bytes;
1630 av_init_packet(&pkt);
7636c8c6 1631 pkt.stream_index = ost->index;
6f1c66d5
AK
1632
1633 switch (ost->st->codec->codec_type) {
1634 case AVMEDIA_TYPE_AUDIO:
1635 fifo_bytes = av_fifo_size(ost->fifo);
1636 ret = 0;
1637 /* encode any samples remaining in fifo */
1638 if (fifo_bytes > 0) {
1639 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1640 int fs_tmp = enc->frame_size;
1641
1642 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1643 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1644 enc->frame_size = fifo_bytes / (osize * enc->channels);
1645 } else { /* pad */
1646 int frame_bytes = enc->frame_size*osize*enc->channels;
1647 if (allocated_audio_buf_size < frame_bytes)
4a4ce2e7 1648 exit_program(1);
6f1c66d5 1649 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
4a4ce2e7
AK
1650 }
1651
6f1c66d5
AK
1652 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1653 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1654 ost->st->time_base.num, enc->sample_rate);
1655 enc->frame_size = fs_tmp;
1656 }
1657 if (ret <= 0) {
1658 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
4a4ce2e7 1659 }
6f1c66d5 1660 if (ret < 0) {
e3245b26 1661 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
6f1c66d5
AK
1662 exit_program(1);
1663 }
1664 audio_size += ret;
7636c8c6 1665 pkt.flags |= AV_PKT_FLAG_KEY;
6f1c66d5
AK
1666 break;
1667 case AVMEDIA_TYPE_VIDEO:
1668 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1669 if (ret < 0) {
e3245b26 1670 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
6f1c66d5
AK
1671 exit_program(1);
1672 }
1673 video_size += ret;
7636c8c6 1674 if (enc->coded_frame && enc->coded_frame->key_frame)
6f1c66d5
AK
1675 pkt.flags |= AV_PKT_FLAG_KEY;
1676 if (ost->logfile && enc->stats_out) {
1677 fprintf(ost->logfile, "%s", enc->stats_out);
1678 }
1679 break;
1680 default:
7636c8c6 1681 ret = -1;
4a4ce2e7 1682 }
6f1c66d5
AK
1683
1684 if (ret <= 0)
1685 break;
1686 pkt.data = bit_buffer;
1687 pkt.size = ret;
1688 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
7636c8c6 1689 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
6f1c66d5 1690 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
4a4ce2e7
AK
1691 }
1692 }
1693}
1694
7204ec1a
AK
1695/*
1696 * Check whether a packet from ist should be written into ost at this time
1697 */
1698static int check_output_constraints(InputStream *ist, OutputStream *ost)
1699{
1700 OutputFile *of = &output_files[ost->file_index];
1701 int ist_index = ist - input_streams;
1702
1703 if (ost->source_index != ist_index)
1704 return 0;
1705
1706 if (of->start_time && ist->pts < of->start_time)
1707 return 0;
1708
1709 if (of->recording_time != INT64_MAX &&
1710 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
7636c8c6 1711 (AVRational){ 1, 1000000 }) >= 0) {
7204ec1a
AK
1712 ost->is_past_recording_time = 1;
1713 return 0;
1714 }
1715
1716 return 1;
1717}
1718
1719static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1720{
1721 OutputFile *of = &output_files[ost->file_index];
1722 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1723 AVPacket opkt;
1724
1725 av_init_packet(&opkt);
1726
1727 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1728 !ost->copy_initial_nonkeyframes)
1729 return;
1730
1731 /* force the input stream PTS */
1732 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1733 audio_size += pkt->size;
1734 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1735 video_size += pkt->size;
1736 ost->sync_opts++;
1737 }
1738
1739 opkt.stream_index = ost->index;
1740 if (pkt->pts != AV_NOPTS_VALUE)
1741 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1742 else
1743 opkt.pts = AV_NOPTS_VALUE;
1744
1745 if (pkt->dts == AV_NOPTS_VALUE)
1746 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1747 else
1748 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1749 opkt.dts -= ost_tb_start_time;
1750
1751 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1752 opkt.flags = pkt->flags;
1753
7636c8c6
AD
1754 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1755 if ( ost->st->codec->codec_id != CODEC_ID_H264
7204ec1a
AK
1756 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1757 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1758 ) {
1759 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1760 opkt.destruct = av_destruct_packet;
1761 } else {
1762 opkt.data = pkt->data;
1763 opkt.size = pkt->size;
1764 }
1765
1766 write_frame(of->ctx, &opkt, ost->st->codec, ost->bitstream_filters);
1767 ost->st->codec->frame_number++;
1768 ost->frame_number++;
1769 av_free_packet(&opkt);
1770}
1771
2a651b71
AK
1772static void rate_emu_sleep(InputStream *ist)
1773{
1774 if (input_files[ist->file_index].rate_emu) {
1775 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1776 int64_t now = av_gettime() - ist->start;
1777 if (pts > now)
1778 usleep(pts - now);
1779 }
1780}
1781
ded28ba3
AK
1782static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1783{
d1241ff3
JR
1784 AVFrame *decoded_frame;
1785 AVCodecContext *avctx = ist->st->codec;
ded28ba3 1786 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
ded28ba3
AK
1787 int i, ret;
1788
9179f27c 1789 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
d1241ff3 1790 return AVERROR(ENOMEM);
9179f27c
JR
1791 else
1792 avcodec_get_frame_defaults(ist->decoded_frame);
1793 decoded_frame = ist->decoded_frame;
ded28ba3 1794
d1241ff3
JR
1795 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1796 if (ret < 0) {
ded28ba3 1797 return ret;
d1241ff3 1798 }
ded28ba3 1799
ded28ba3
AK
1800 if (!*got_output) {
1801 /* no audio frame */
af8ad892 1802 return ret;
ded28ba3
AK
1803 }
1804
d1241ff3
JR
1805 /* if the decoder provides a pts, use it instead of the last packet pts.
1806 the decoder could be delaying output by a packet or more. */
1807 if (decoded_frame->pts != AV_NOPTS_VALUE)
1808 ist->next_pts = decoded_frame->pts;
1809
1810 /* increment next_pts to use for the case where the input stream does not
1811 have timestamps or there are multiple frames in the packet */
1812 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1813 avctx->sample_rate;
ded28ba3
AK
1814
1815 // preprocess audio (volume)
1816 if (audio_volume != 256) {
d1241ff3
JR
1817 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
1818 void *samples = decoded_frame->data[0];
1819 switch (avctx->sample_fmt) {
ded28ba3
AK
1820 case AV_SAMPLE_FMT_U8:
1821 {
1822 uint8_t *volp = samples;
1823 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1824 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1825 *volp++ = av_clip_uint8(v);
1826 }
1827 break;
1828 }
1829 case AV_SAMPLE_FMT_S16:
1830 {
1831 int16_t *volp = samples;
1832 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1833 int v = ((*volp) * audio_volume + 128) >> 8;
1834 *volp++ = av_clip_int16(v);
1835 }
1836 break;
1837 }
1838 case AV_SAMPLE_FMT_S32:
1839 {
1840 int32_t *volp = samples;
1841 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1842 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1843 *volp++ = av_clipl_int32(v);
1844 }
1845 break;
1846 }
1847 case AV_SAMPLE_FMT_FLT:
1848 {
1849 float *volp = samples;
1850 float scale = audio_volume / 256.f;
1851 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1852 *volp++ *= scale;
1853 }
1854 break;
1855 }
1856 case AV_SAMPLE_FMT_DBL:
1857 {
1858 double *volp = samples;
1859 double scale = audio_volume / 256.;
1860 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1861 *volp++ *= scale;
1862 }
1863 break;
1864 }
1865 default:
1866 av_log(NULL, AV_LOG_FATAL,
1867 "Audio volume adjustment on sample format %s is not supported.\n",
1868 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1869 exit_program(1);
1870 }
1871 }
1872
1873 rate_emu_sleep(ist);
1874
1875 for (i = 0; i < nb_output_streams; i++) {
1876 OutputStream *ost = &output_streams[i];
1877
1878 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1879 continue;
d1241ff3 1880 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
ded28ba3 1881 }
110d2af2 1882
af8ad892 1883 return ret;
ded28ba3
AK
1884}
1885
45d4b66f
AK
1886static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
1887{
1888 AVFrame *decoded_frame, *filtered_frame = NULL;
1889 void *buffer_to_free = NULL;
1890 int i, ret = 0;
1891 float quality;
1892#if CONFIG_AVFILTER
1893 int frame_available = 1;
1894#endif
1895
9179f27c 1896 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
45d4b66f 1897 return AVERROR(ENOMEM);
9179f27c
JR
1898 else
1899 avcodec_get_frame_defaults(ist->decoded_frame);
1900 decoded_frame = ist->decoded_frame;
45d4b66f
AK
1901 pkt->pts = *pkt_pts;
1902 pkt->dts = ist->pts;
1903 *pkt_pts = AV_NOPTS_VALUE;
1904
1905 ret = avcodec_decode_video2(ist->st->codec,
1906 decoded_frame, got_output, pkt);
1907 if (ret < 0)
9179f27c 1908 return ret;
45d4b66f
AK
1909
1910 quality = same_quant ? decoded_frame->quality : 0;
1911 if (!*got_output) {
1912 /* no picture yet */
af8ad892 1913 return ret;
45d4b66f
AK
1914 }
1915 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1916 decoded_frame->pkt_dts);
741a05a2
AK
1917 if (pkt->duration)
1918 ist->next_pts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
1919 else if (ist->st->codec->time_base.num != 0) {
45d4b66f
AK
1920 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
1921 ist->st->codec->ticks_per_frame;
1922 ist->next_pts += ((int64_t)AV_TIME_BASE *
1923 ist->st->codec->time_base.num * ticks) /
1924 ist->st->codec->time_base.den;
1925 }
1926 pkt->size = 0;
1927 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1928
1929 rate_emu_sleep(ist);
1930
1931 for (i = 0; i < nb_output_streams; i++) {
1932 OutputStream *ost = &output_streams[i];
1933 int frame_size;
1934
1935 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1936 continue;
1937
1938#if CONFIG_AVFILTER
04a14d4d
AK
1939 if (ist->st->sample_aspect_ratio.num)
1940 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1941 if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) {
1942 FrameBuffer *buf = decoded_frame->opaque;
1943 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
1944 decoded_frame->data, decoded_frame->linesize,
1945 AV_PERM_READ | AV_PERM_PRESERVE,
1946 ist->st->codec->width, ist->st->codec->height,
1947 ist->st->codec->pix_fmt);
1948
1949 avfilter_copy_frame_props(fb, decoded_frame);
1950 fb->pts = ist->pts;
1951 fb->buf->priv = buf;
1952 fb->buf->free = filter_release_buffer;
1953
1954 buf->refcount++;
1955 av_buffersrc_buffer(ost->input_video_filter, fb);
1956 } else
1957 av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame,
1958 ist->pts, decoded_frame->sample_aspect_ratio);
1959
1960 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
1961 av_free(buffer_to_free);
1962 return AVERROR(ENOMEM);
1963 } else
1964 avcodec_get_frame_defaults(ist->filtered_frame);
1965 filtered_frame = ist->filtered_frame;
1966
1967 frame_available = avfilter_poll_frame(ost->output_video_filter->inputs[0]);
45d4b66f
AK
1968 while (frame_available) {
1969 AVRational ist_pts_tb;
1970 if (ost->output_video_filter)
1971 get_filtered_video_frame(ost->output_video_filter, filtered_frame, &ost->picref, &ist_pts_tb);
1972 if (ost->picref)
1973 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1974 if (ost->picref->video && !ost->frame_aspect_ratio)
1975 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1976#else
1977 filtered_frame = decoded_frame;
1978#endif
1979
1980 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame, &frame_size,
1981 same_quant ? quality : ost->st->codec->global_quality);
1982 if (vstats_filename && frame_size)
1983 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
1984#if CONFIG_AVFILTER
1985 frame_available = ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1986 if (ost->picref)
1987 avfilter_unref_buffer(ost->picref);
1988 }
45d4b66f
AK
1989#endif
1990 }
1991
45d4b66f 1992 av_free(buffer_to_free);
45d4b66f
AK
1993 return ret;
1994}
1995
9595234c
AK
1996static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1997{
1998 AVSubtitle subtitle;
1999 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2000 &subtitle, got_output, pkt);
2001 if (ret < 0)
2002 return ret;
2003 if (!*got_output)
af8ad892 2004 return ret;
9595234c
AK
2005
2006 rate_emu_sleep(ist);
2007
2008 for (i = 0; i < nb_output_streams; i++) {
2009 OutputStream *ost = &output_streams[i];
2010
2011 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2012 continue;
2013
2014 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
2015 }
2016
2017 avsubtitle_free(&subtitle);
af8ad892 2018 return ret;
9595234c
AK
2019}
2020
6291d7e4 2021/* pkt = NULL means EOF (needed to flush decoder buffers) */
06d4e2fa 2022static int output_packet(InputStream *ist,
4288e031 2023 OutputStream *ost_table, int nb_ostreams,
6291d7e4
AK
2024 const AVPacket *pkt)
2025{
ffa0674e 2026 int i;
6291d7e4 2027 int got_output;
6291d7e4 2028 int64_t pkt_pts = AV_NOPTS_VALUE;
6291d7e4 2029 AVPacket avpkt;
6291d7e4 2030
8b0268a8
AK
2031 if (ist->next_pts == AV_NOPTS_VALUE)
2032 ist->next_pts = ist->pts;
6291d7e4
AK
2033
2034 if (pkt == NULL) {
2035 /* EOF handling */
2036 av_init_packet(&avpkt);
2037 avpkt.data = NULL;
2038 avpkt.size = 0;
2039 goto handle_eof;
2040 } else {
2041 avpkt = *pkt;
2042 }
2043
7636c8c6 2044 if (pkt->dts != AV_NOPTS_VALUE)
6291d7e4 2045 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
7636c8c6 2046 if (pkt->pts != AV_NOPTS_VALUE)
6291d7e4
AK
2047 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2048
7636c8c6 2049 // while we have more to decode or while the decoder did output something on EOF
2a651b71 2050 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
ffa0674e 2051 int ret = 0;
6291d7e4 2052 handle_eof:
6291d7e4 2053
8b0268a8
AK
2054 ist->pts = ist->next_pts;
2055
2056 if (avpkt.size && avpkt.size != pkt->size) {
e3245b26
AK
2057 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2058 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
8b0268a8
AK
2059 ist->showed_multi_packet_warning = 1;
2060 }
6291d7e4 2061
7636c8c6 2062 switch (ist->st->codec->codec_type) {
82963f8f
AK
2063 case AVMEDIA_TYPE_AUDIO:
2064 ret = transcode_audio (ist, &avpkt, &got_output);
2065 break;
2066 case AVMEDIA_TYPE_VIDEO:
2067 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
2068 break;
2069 case AVMEDIA_TYPE_SUBTITLE:
2070 ret = transcode_subtitles(ist, &avpkt, &got_output);
2071 break;
78162b4e
AK
2072 default:
2073 return -1;
2074 }
6291d7e4 2075
d3c1d37a
AK
2076 if (ret < 0)
2077 return ret;
aa38cff2
JG
2078 // touch data and size only if not EOF
2079 if (pkt) {
2080 avpkt.data += ret;
2081 avpkt.size -= ret;
2082 }
82963f8f 2083 if (!got_output) {
af8ad892 2084 continue;
82963f8f 2085 }
6291d7e4 2086 }
6291d7e4 2087
7204ec1a 2088 /* handle stream copy */
2a651b71
AK
2089 if (!ist->decoding_needed) {
2090 rate_emu_sleep(ist);
91b412e7 2091 ist->pts = ist->next_pts;
2a651b71
AK
2092 switch (ist->st->codec->codec_type) {
2093 case AVMEDIA_TYPE_AUDIO:
2094 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2095 ist->st->codec->sample_rate;
2096 break;
2097 case AVMEDIA_TYPE_VIDEO:
2098 if (ist->st->codec->time_base.num != 0) {
7636c8c6 2099 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2a651b71
AK
2100 ist->next_pts += ((int64_t)AV_TIME_BASE *
2101 ist->st->codec->time_base.num * ticks) /
2102 ist->st->codec->time_base.den;
2103 }
2104 break;
2105 }
2106 }
7204ec1a 2107 for (i = 0; pkt && i < nb_ostreams; i++) {
ffa0674e 2108 OutputStream *ost = &ost_table[i];
7204ec1a
AK
2109
2110 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2111 continue;
2112
2113 do_streamcopy(ist, ost, pkt);
2114 }
2115
6291d7e4
AK
2116 return 0;
2117}
2118
af70aa45 2119static void print_sdp(OutputFile *output_files, int n)
6291d7e4
AK
2120{
2121 char sdp[2048];
af70aa45 2122 int i;
7636c8c6 2123 AVFormatContext **avc = av_malloc(sizeof(*avc) * n);
af70aa45
AK
2124
2125 if (!avc)
2126 exit_program(1);
2127 for (i = 0; i < n; i++)
2128 avc[i] = output_files[i].ctx;
6291d7e4
AK
2129
2130 av_sdp_create(avc, n, sdp, sizeof(sdp));
2131 printf("SDP:\n%s\n", sdp);
2132 fflush(stdout);
af70aa45 2133 av_freep(&avc);
6291d7e4
AK
2134}
2135
630902a1
AK
2136static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2137 char *error, int error_len)
2138{
2139 int i;
2140 InputStream *ist = &input_streams[ist_index];
2141 if (ist->decoding_needed) {
2142 AVCodec *codec = ist->dec;
630902a1 2143 if (!codec) {
9a414d89 2144 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
630902a1
AK
2145 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2146 return AVERROR(EINVAL);
2147 }
2148
2149 /* update requested sample format for the decoder based on the
2150 corresponding encoder sample format */
2151 for (i = 0; i < nb_output_streams; i++) {
2152 OutputStream *ost = &output_streams[i];
2153 if (ost->source_index == ist_index) {
2154 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2155 break;
2156 }
2157 }
2158
64dca32c
AK
2159 if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
2160 ist->st->codec->get_buffer = codec_get_buffer;
2161 ist->st->codec->release_buffer = codec_release_buffer;
2162 ist->st->codec->opaque = ist;
2163 }
2164
630902a1 2165 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
9a414d89 2166 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
630902a1
AK
2167 ist->file_index, ist->st->index);
2168 return AVERROR(EINVAL);
2169 }
2170 assert_codec_experimental(ist->st->codec, 0);
2171 assert_avoptions(ist->opts);
2172 }
2173
7636c8c6 2174 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
2175 ist->next_pts = AV_NOPTS_VALUE;
2176 init_pts_correction(&ist->pts_ctx);
2177 ist->is_start = 1;
2178
2179 return 0;
2180}
2181
eaf2d37a
AC
2182static int transcode_init(OutputFile *output_files,
2183 int nb_output_files,
2184 InputFile *input_files,
2185 int nb_input_files)
6291d7e4 2186{
2c474ddb 2187 int ret = 0, i, j, k;
1bb77e51 2188 AVFormatContext *oc;
6291d7e4 2189 AVCodecContext *codec, *icodec;
4288e031 2190 OutputStream *ost;
6291d7e4
AK
2191 InputStream *ist;
2192 char error[1024];
2193 int want_sdp = 1;
b0c9e8e0 2194
f4805328
AK
2195 /* init framerate emulation */
2196 for (i = 0; i < nb_input_files; i++) {
2197 InputFile *ifile = &input_files[i];
2198 if (ifile->rate_emu)
2199 for (j = 0; j < ifile->nb_streams; j++)
2200 input_streams[j + ifile->ist_index].start = av_gettime();
2201 }
6291d7e4
AK
2202
2203 /* output stream init */
03f30c83 2204 for (i = 0; i < nb_output_files; i++) {
1bb77e51
AK
2205 oc = output_files[i].ctx;
2206 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2207 av_dump_format(oc, i, oc->filename, 1);
e3245b26 2208 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
eaf2d37a 2209 return AVERROR(EINVAL);
6291d7e4 2210 }
6291d7e4
AK
2211 }
2212
2213 /* for each output stream, we compute the right encoding parameters */
4288e031
AK
2214 for (i = 0; i < nb_output_streams; i++) {
2215 ost = &output_streams[i];
03f30c83 2216 oc = output_files[ost->file_index].ctx;
6291d7e4
AK
2217 ist = &input_streams[ost->source_index];
2218
4dbc6cee
AK
2219 if (ost->attachment_filename)
2220 continue;
2221
03f30c83 2222 codec = ost->st->codec;
6291d7e4
AK
2223 icodec = ist->st->codec;
2224
03f30c83
AK
2225 ost->st->disposition = ist->st->disposition;
2226 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
6291d7e4
AK
2227 codec->chroma_sample_location = icodec->chroma_sample_location;
2228
3d813e4c 2229 if (ost->stream_copy) {
6291d7e4
AK
2230 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2231
e6d2b737 2232 if (extra_size > INT_MAX) {
eaf2d37a 2233 return AVERROR(EINVAL);
e6d2b737 2234 }
6291d7e4
AK
2235
2236 /* if stream_copy is selected, no need to decode or encode */
03f30c83 2237 codec->codec_id = icodec->codec_id;
6291d7e4
AK
2238 codec->codec_type = icodec->codec_type;
2239
03f30c83
AK
2240 if (!codec->codec_tag) {
2241 if (!oc->oformat->codec_tag ||
2242 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2243 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
6291d7e4
AK
2244 codec->codec_tag = icodec->codec_tag;
2245 }
2246
03f30c83 2247 codec->bit_rate = icodec->bit_rate;
6291d7e4
AK
2248 codec->rc_max_rate = icodec->rc_max_rate;
2249 codec->rc_buffer_size = icodec->rc_buffer_size;
4bf3c8f2 2250 codec->field_order = icodec->field_order;
03f30c83 2251 codec->extradata = av_mallocz(extra_size);
e6d2b737 2252 if (!codec->extradata) {
eaf2d37a 2253 return AVERROR(ENOMEM);
e6d2b737 2254 }
6291d7e4 2255 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
03f30c83 2256 codec->extradata_size = icodec->extradata_size;
7bb3e625 2257 if (!copy_tb) {
03f30c83 2258 codec->time_base = icodec->time_base;
6291d7e4
AK
2259 codec->time_base.num *= icodec->ticks_per_frame;
2260 av_reduce(&codec->time_base.num, &codec->time_base.den,
2261 codec->time_base.num, codec->time_base.den, INT_MAX);
03f30c83 2262 } else
6291d7e4 2263 codec->time_base = ist->st->time_base;
03f30c83 2264
7636c8c6 2265 switch (codec->codec_type) {
6291d7e4 2266 case AVMEDIA_TYPE_AUDIO:
7636c8c6 2267 if (audio_volume != 256) {
e3245b26 2268 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
6291d7e4
AK
2269 exit_program(1);
2270 }
03f30c83
AK
2271 codec->channel_layout = icodec->channel_layout;
2272 codec->sample_rate = icodec->sample_rate;
2273 codec->channels = icodec->channels;
2274 codec->frame_size = icodec->frame_size;
6291d7e4 2275 codec->audio_service_type = icodec->audio_service_type;
03f30c83 2276 codec->block_align = icodec->block_align;
6291d7e4
AK
2277 break;
2278 case AVMEDIA_TYPE_VIDEO:
03f30c83
AK
2279 codec->pix_fmt = icodec->pix_fmt;
2280 codec->width = icodec->width;
2281 codec->height = icodec->height;
2282 codec->has_b_frames = icodec->has_b_frames;
6291d7e4 2283 if (!codec->sample_aspect_ratio.num) {
03f30c83 2284 codec->sample_aspect_ratio =
6291d7e4
AK
2285 ost->st->sample_aspect_ratio =
2286 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2287 ist->st->codec->sample_aspect_ratio.num ?
2288 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2289 }
2290 break;
2291 case AVMEDIA_TYPE_SUBTITLE:
03f30c83 2292 codec->width = icodec->width;
6291d7e4
AK
2293 codec->height = icodec->height;
2294 break;
2295 case AVMEDIA_TYPE_DATA:
3ccd1580 2296 case AVMEDIA_TYPE_ATTACHMENT:
6291d7e4
AK
2297 break;
2298 default:
2299 abort();
2300 }
2301 } else {
2302 if (!ost->enc)
2303 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
03f30c83 2304
11fdb7e1
AK
2305 ist->decoding_needed = 1;
2306 ost->encoding_needed = 1;
03f30c83 2307
7636c8c6 2308 switch (codec->codec_type) {
6291d7e4 2309 case AVMEDIA_TYPE_AUDIO:
03f30c83 2310 ost->fifo = av_fifo_alloc(1024);
e6d2b737 2311 if (!ost->fifo) {
eaf2d37a 2312 return AVERROR(ENOMEM);
e6d2b737 2313 }
6291d7e4 2314 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
03f30c83 2315
d0a19696 2316 if (!codec->sample_rate)
6291d7e4 2317 codec->sample_rate = icodec->sample_rate;
6291d7e4 2318 choose_sample_rate(ost->st, ost->enc);
7636c8c6 2319 codec->time_base = (AVRational){ 1, codec->sample_rate };
03f30c83 2320
6291d7e4
AK
2321 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2322 codec->sample_fmt = icodec->sample_fmt;
2323 choose_sample_fmt(ost->st, ost->enc);
03f30c83 2324
6291d7e4
AK
2325 if (!codec->channels)
2326 codec->channels = icodec->channels;
2327 codec->channel_layout = icodec->channel_layout;
2328 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2329 codec->channel_layout = 0;
03f30c83
AK
2330
2331 ost->audio_resample = codec-> sample_rate != icodec->sample_rate || audio_sync_method > 1;
2332 icodec->request_channels = codec-> channels;
6291d7e4
AK
2333 ost->resample_sample_fmt = icodec->sample_fmt;
2334 ost->resample_sample_rate = icodec->sample_rate;
2335 ost->resample_channels = icodec->channels;
2336 break;
2337 case AVMEDIA_TYPE_VIDEO:
2338 if (codec->pix_fmt == PIX_FMT_NONE)
2339 codec->pix_fmt = icodec->pix_fmt;
2340 choose_pixel_fmt(ost->st, ost->enc);
2341
2342 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
e3245b26 2343 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
6291d7e4
AK
2344 exit_program(1);
2345 }
2346
2347 if (!codec->width || !codec->height) {
2348 codec->width = icodec->width;
2349 codec->height = icodec->height;
2350 }
2351
2352 ost->video_resample = codec->width != icodec->width ||
2353 codec->height != icodec->height ||
2354 codec->pix_fmt != icodec->pix_fmt;
2355 if (ost->video_resample) {
2356#if !CONFIG_AVFILTER
2357 avcodec_get_frame_defaults(&ost->pict_tmp);
7636c8c6 2358 if (avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
6291d7e4 2359 codec->width, codec->height)) {
e3245b26 2360 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
6291d7e4
AK
2361 exit_program(1);
2362 }
2363 ost->img_resample_ctx = sws_getContext(
2364 icodec->width,
2365 icodec->height,
2366 icodec->pix_fmt,
2367 codec->width,
2368 codec->height,
2369 codec->pix_fmt,
2370 ost->sws_flags, NULL, NULL, NULL);
2371 if (ost->img_resample_ctx == NULL) {
e3245b26 2372 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
6291d7e4
AK
2373 exit_program(1);
2374 }
2375#endif
7636c8c6 2376 codec->bits_per_raw_sample = 0;
6291d7e4
AK
2377 }
2378
03f30c83
AK
2379 ost->resample_height = icodec->height;
2380 ost->resample_width = icodec->width;
2381 ost->resample_pix_fmt = icodec->pix_fmt;
6291d7e4
AK
2382
2383 if (!ost->frame_rate.num)
7636c8c6 2384 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational) { 25, 1 };
bef737a7 2385 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
6291d7e4
AK
2386 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2387 ost->frame_rate = ost->enc->supported_framerates[idx];
2388 }
2389 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2390
2391#if CONFIG_AVFILTER
2392 if (configure_video_filters(ist, ost)) {
e3245b26 2393 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
6291d7e4
AK
2394 exit(1);
2395 }
2396#endif
2397 break;
2398 case AVMEDIA_TYPE_SUBTITLE:
6291d7e4
AK
2399 break;
2400 default:
2401 abort();
2402 break;
2403 }
2404 /* two pass mode */
515901fa 2405 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
6291d7e4
AK
2406 char logfilename[1024];
2407 FILE *f;
2408
2409 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2410 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2411 i);
2412 if (codec->flags & CODEC_FLAG_PASS1) {
2413 f = fopen(logfilename, "wb");
2414 if (!f) {
e3245b26
AK
2415 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2416 logfilename, strerror(errno));
6291d7e4
AK
2417 exit_program(1);
2418 }
2419 ost->logfile = f;
2420 } else {
2421 char *logbuffer;
2422 size_t logbuffer_size;
02170990 2423 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
e3245b26
AK
2424 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2425 logfilename);
6291d7e4
AK
2426 exit_program(1);
2427 }
2428 codec->stats_in = logbuffer;
2429 }
2430 }
2431 }
7636c8c6 2432 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
03f30c83 2433 int size = codec->width * codec->height;
7636c8c6 2434 bit_buffer_size = FFMAX(bit_buffer_size, 6 * size + 200);
6291d7e4
AK
2435 }
2436 }
2437
2438 if (!bit_buffer)
2439 bit_buffer = av_malloc(bit_buffer_size);
2440 if (!bit_buffer) {
e3245b26
AK
2441 av_log(NULL, AV_LOG_ERROR, "Cannot allocate %d bytes output buffer\n",
2442 bit_buffer_size);
eaf2d37a 2443 return AVERROR(ENOMEM);
6291d7e4
AK
2444 }
2445
2446 /* open each encoder */
4288e031
AK
2447 for (i = 0; i < nb_output_streams; i++) {
2448 ost = &output_streams[i];
6291d7e4 2449 if (ost->encoding_needed) {
03f30c83 2450 AVCodec *codec = ost->enc;
6291d7e4
AK
2451 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2452 if (!codec) {
9a414d89 2453 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d:%d",
6291d7e4
AK
2454 ost->st->codec->codec_id, ost->file_index, ost->index);
2455 ret = AVERROR(EINVAL);
2456 goto dump_format;
2457 }
2458 if (dec->subtitle_header) {
2459 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2460 if (!ost->st->codec->subtitle_header) {
2461 ret = AVERROR(ENOMEM);
2462 goto dump_format;
2463 }
2464 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2465 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2466 }
2467 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
9a414d89 2468 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
2469 ost->file_index, ost->index);
2470 ret = AVERROR(EINVAL);
2471 goto dump_format;
2472 }
2473 assert_codec_experimental(ost->st->codec, 1);
2474 assert_avoptions(ost->opts);
2475 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2476 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2477 "It takes bits/s as argument, not kbits/s\n");
2478 extra_size += ost->st->codec->extradata_size;
d242d80e
AK
2479
2480 if (ost->st->codec->me_threshold)
2481 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
6291d7e4
AK
2482 }
2483 }
2484
630902a1
AK
2485 /* init input streams */
2486 for (i = 0; i < nb_input_streams; i++)
62486948 2487 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
630902a1 2488 goto dump_format;
6291d7e4 2489
2c474ddb
AK
2490 /* discard unused programs */
2491 for (i = 0; i < nb_input_files; i++) {
2492 InputFile *ifile = &input_files[i];
2493 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2494 AVProgram *p = ifile->ctx->programs[j];
2495 int discard = AVDISCARD_ALL;
2496
2497 for (k = 0; k < p->nb_stream_indexes; k++)
2498 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2499 discard = AVDISCARD_DEFAULT;
2500 break;
2501 }
2502 p->discard = discard;
2503 }
2504 }
2505
6291d7e4 2506 /* open files and write file headers */
af70aa45 2507 for (i = 0; i < nb_output_files; i++) {
1bb77e51
AK
2508 oc = output_files[i].ctx;
2509 oc->interrupt_callback = int_cb;
2510 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
6291d7e4
AK
2511 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2512 ret = AVERROR(EINVAL);
2513 goto dump_format;
2514 }
af70aa45 2515 assert_avoptions(output_files[i].opts);
1bb77e51 2516 if (strcmp(oc->oformat->name, "rtp")) {
6291d7e4
AK
2517 want_sdp = 0;
2518 }
2519 }
2520
2521 dump_format:
2522 /* dump the file output parameters - cannot be done before in case
2523 of stream copy */
03f30c83 2524 for (i = 0; i < nb_output_files; i++) {
af70aa45 2525 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
6291d7e4
AK
2526 }
2527
2528 /* dump the stream mapping */
e3245b26
AK
2529 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2530 for (i = 0; i < nb_output_streams; i++) {
2531 ost = &output_streams[i];
4dbc6cee
AK
2532
2533 if (ost->attachment_filename) {
2534 /* an attached file */
2535 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2536 ost->attachment_filename, ost->file_index, ost->index);
2537 continue;
2538 }
9a414d89 2539 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
e3245b26
AK
2540 input_streams[ost->source_index].file_index,
2541 input_streams[ost->source_index].st->index,
2542 ost->file_index,
2543 ost->index);
2544 if (ost->sync_ist != &input_streams[ost->source_index])
9a414d89 2545 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
e3245b26
AK
2546 ost->sync_ist->file_index,
2547 ost->sync_ist->st->index);
3d813e4c 2548 if (ost->stream_copy)
e3245b26
AK
2549 av_log(NULL, AV_LOG_INFO, " (copy)");
2550 else
2551 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2552 input_streams[ost->source_index].dec->name : "?",
2553 ost->enc ? ost->enc->name : "?");
2554 av_log(NULL, AV_LOG_INFO, "\n");
6291d7e4
AK
2555 }
2556
2557 if (ret) {
e3245b26 2558 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
eaf2d37a 2559 return ret;
6291d7e4
AK
2560 }
2561
2562 if (want_sdp) {
2563 print_sdp(output_files, nb_output_files);
2564 }
2565
eaf2d37a
AC
2566 return 0;
2567}
2568
2569/*
2570 * The following code is the main loop of the file converter
2571 */
2572static int transcode(OutputFile *output_files,
2573 int nb_output_files,
2574 InputFile *input_files,
2575 int nb_input_files)
2576{
2577 int ret, i;
2578 AVFormatContext *is, *os;
2579 OutputStream *ost;
2580 InputStream *ist;
2581 uint8_t *no_packet;
7636c8c6 2582 int no_packet_count = 0;
eaf2d37a
AC
2583 int64_t timer_start;
2584
2585 if (!(no_packet = av_mallocz(nb_input_files)))
2586 exit_program(1);
2587
2588 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2589 if (ret < 0)
2590 goto fail;
2591
e3245b26 2592 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
6291d7e4
AK
2593 term_init();
2594
2595 timer_start = av_gettime();
2596
7636c8c6 2597 for (; received_sigterm == 0;) {
6291d7e4
AK
2598 int file_index, ist_index;
2599 AVPacket pkt;
9be3c124 2600 int64_t ipts_min;
6291d7e4
AK
2601 double opts_min;
2602
9be3c124 2603 ipts_min = INT64_MAX;
7636c8c6 2604 opts_min = 1e100;
6291d7e4
AK
2605
2606 /* select the stream that we must read now by looking at the
2607 smallest output pts */
2608 file_index = -1;
4288e031 2609 for (i = 0; i < nb_output_streams; i++) {
f21f294e 2610 OutputFile *of;
9be3c124
AC
2611 int64_t ipts;
2612 double opts;
4288e031 2613 ost = &output_streams[i];
f21f294e 2614 of = &output_files[ost->file_index];
af70aa45 2615 os = output_files[ost->file_index].ctx;
6291d7e4 2616 ist = &input_streams[ost->source_index];
f21f294e
AK
2617 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2618 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
6291d7e4 2619 continue;
c0931508 2620 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
9be3c124 2621 ipts = ist->pts;
7636c8c6
AD
2622 if (!input_files[ist->file_index].eof_reached) {
2623 if (ipts < ipts_min) {
6291d7e4 2624 ipts_min = ipts;
7636c8c6
AD
2625 if (input_sync)
2626 file_index = ist->file_index;
6291d7e4 2627 }
7636c8c6 2628 if (opts < opts_min) {
6291d7e4 2629 opts_min = opts;
7636c8c6 2630 if (!input_sync) file_index = ist->file_index;
6291d7e4
AK
2631 }
2632 }
96139b5e
AK
2633 if (ost->frame_number >= ost->max_frames) {
2634 int j;
9b921a82
AK
2635 for (j = 0; j < of->ctx->nb_streams; j++)
2636 output_streams[of->ost_index + j].is_past_recording_time = 1;
96139b5e 2637 continue;
6291d7e4
AK
2638 }
2639 }
2640 /* if none, if is finished */
2641 if (file_index < 0) {
7636c8c6
AD
2642 if (no_packet_count) {
2643 no_packet_count = 0;
b0c9e8e0 2644 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
2645 usleep(10000);
2646 continue;
2647 }
2648 break;
2649 }
2650
6291d7e4 2651 /* read a frame from it and output it in the fifo */
7636c8c6
AD
2652 is = input_files[file_index].ctx;
2653 ret = av_read_frame(is, &pkt);
2654 if (ret == AVERROR(EAGAIN)) {
2655 no_packet[file_index] = 1;
6291d7e4
AK
2656 no_packet_count++;
2657 continue;
2658 }
2659 if (ret < 0) {
2660 input_files[file_index].eof_reached = 1;
2661 if (opt_shortest)
2662 break;
2663 else
2664 continue;
2665 }
2666
7636c8c6 2667 no_packet_count = 0;
b0c9e8e0 2668 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
2669
2670 if (do_pkt_dump) {
2671 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2672 is->streams[pkt.stream_index]);
2673 }
2674 /* the following test is needed in case new streams appear
2675 dynamically in stream : we ignore them */
ed5b1326 2676 if (pkt.stream_index >= input_files[file_index].nb_streams)
6291d7e4
AK
2677 goto discard_packet;
2678 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2679 ist = &input_streams[ist_index];
2680 if (ist->discard)
2681 goto discard_packet;
2682
2683 if (pkt.dts != AV_NOPTS_VALUE)
2684 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2685 if (pkt.pts != AV_NOPTS_VALUE)
2686 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2687
7636c8c6 2688 if (pkt.pts != AV_NOPTS_VALUE)
33f75d72 2689 pkt.pts *= ist->ts_scale;
7636c8c6 2690 if (pkt.dts != AV_NOPTS_VALUE)
33f75d72 2691 pkt.dts *= ist->ts_scale;
6291d7e4 2692
7636c8c6
AD
2693 //fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n",
2694 // ist->next_pts,
2695 // pkt.dts, input_files[ist->file_index].ts_offset,
2696 // ist->st->codec->codec_type);
6291d7e4
AK
2697 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2698 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
7636c8c6
AD
2699 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2700 int64_t delta = pkt_dts - ist->next_pts;
2701 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->pts) && !copy_ts) {
6291d7e4 2702 input_files[ist->file_index].ts_offset -= delta;
7636c8c6
AD
2703 av_log(NULL, AV_LOG_DEBUG,
2704 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
e3245b26 2705 delta, input_files[ist->file_index].ts_offset);
6291d7e4 2706 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
7636c8c6 2707 if (pkt.pts != AV_NOPTS_VALUE)
6291d7e4
AK
2708 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2709 }
2710 }
2711
7636c8c6 2712 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
06d4e2fa 2713 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
6291d7e4 2714
9a414d89 2715 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
e3245b26 2716 ist->file_index, ist->st->index);
6291d7e4
AK
2717 if (exit_on_error)
2718 exit_program(1);
2719 av_free_packet(&pkt);
b9630bcf 2720 continue;
6291d7e4
AK
2721 }
2722
2723 discard_packet:
2724 av_free_packet(&pkt);
2725
2726 /* dump report by using the output first video and audio streams */
c5ad2c2c 2727 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
6291d7e4
AK
2728 }
2729
2730 /* at the end of stream, we must flush the decoder buffers */
2731 for (i = 0; i < nb_input_streams; i++) {
2732 ist = &input_streams[i];
2733 if (ist->decoding_needed) {
06d4e2fa 2734 output_packet(ist, output_streams, nb_output_streams, NULL);
6291d7e4
AK
2735 }
2736 }
b62b5cb6 2737 flush_encoders(output_streams, nb_output_streams);
6291d7e4
AK
2738
2739 term_exit();
2740
2741 /* write the trailer if needed and close file */
7636c8c6 2742 for (i = 0; i < nb_output_files; i++) {
af70aa45 2743 os = output_files[i].ctx;
6291d7e4
AK
2744 av_write_trailer(os);
2745 }
2746
2747 /* dump report by using the first video and audio streams */
c5ad2c2c 2748 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
6291d7e4
AK
2749
2750 /* close each encoder */
4288e031
AK
2751 for (i = 0; i < nb_output_streams; i++) {
2752 ost = &output_streams[i];
6291d7e4
AK
2753 if (ost->encoding_needed) {
2754 av_freep(&ost->st->codec->stats_in);
2755 avcodec_close(ost->st->codec);
2756 }
2757#if CONFIG_AVFILTER
2758 avfilter_graph_free(&ost->graph);
2759#endif
2760 }
2761
2762 /* close each decoder */
2763 for (i = 0; i < nb_input_streams; i++) {
2764 ist = &input_streams[i];
2765 if (ist->decoding_needed) {
2766 avcodec_close(ist->st->codec);
2767 }
2768 }
2769
2770 /* finished ! */
2771 ret = 0;
2772
2773 fail:
2774 av_freep(&bit_buffer);
b0c9e8e0 2775 av_freep(&no_packet);
6291d7e4 2776
4288e031
AK
2777 if (output_streams) {
2778 for (i = 0; i < nb_output_streams; i++) {
2779 ost = &output_streams[i];
6291d7e4 2780 if (ost) {
3d813e4c 2781 if (ost->stream_copy)
6291d7e4
AK
2782 av_freep(&ost->st->codec->extradata);
2783 if (ost->logfile) {
2784 fclose(ost->logfile);
2785 ost->logfile = NULL;
2786 }
2787 av_fifo_free(ost->fifo); /* works even if fifo is not
2788 initialized but set to zero */
2789 av_freep(&ost->st->codec->subtitle_header);
2790 av_free(ost->pict_tmp.data[0]);
2791 av_free(ost->forced_kf_pts);
2792 if (ost->video_resample)
2793 sws_freeContext(ost->img_resample_ctx);
2794 if (ost->resample)
2795 audio_resample_close(ost->resample);
2796 if (ost->reformat_ctx)
2797 av_audio_convert_free(ost->reformat_ctx);
2798 av_dict_free(&ost->opts);
6291d7e4
AK
2799 }
2800 }
6291d7e4
AK
2801 }
2802 return ret;
2803}
2804
ca46fde7 2805static double parse_frame_aspect_ratio(const char *arg)
6291d7e4
AK
2806{
2807 int x = 0, y = 0;
2808 double ar = 0;
2809 const char *p;
2810 char *end;
2811
2812 p = strchr(arg, ':');
2813 if (p) {
2814 x = strtol(arg, &end, 10);
2815 if (end == p)
7636c8c6 2816 y = strtol(end + 1, &end, 10);
6291d7e4
AK
2817 if (x > 0 && y > 0)
2818 ar = (double)x / (double)y;
2819 } else
2820 ar = strtod(arg, NULL);
2821
2822 if (!ar) {
e3245b26 2823 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
ca46fde7 2824 exit_program(1);
6291d7e4 2825 }
ca46fde7 2826 return ar;
6291d7e4
AK
2827}
2828
35e6f8c1 2829static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2830{
35e6f8c1 2831 return parse_option(o, "codec:a", arg, options);
6291d7e4
AK
2832}
2833
35e6f8c1 2834static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2835{
35e6f8c1 2836 return parse_option(o, "codec:v", arg, options);
6291d7e4
AK
2837}
2838
35e6f8c1 2839static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2840{
35e6f8c1 2841 return parse_option(o, "codec:s", arg, options);
6291d7e4
AK
2842}
2843
35e6f8c1 2844static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2845{
35e6f8c1 2846 return parse_option(o, "codec:d", arg, options);
6291d7e4
AK
2847}
2848
575ec4e1 2849static int opt_map(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2850{
8d2e4a7e
AK
2851 StreamMap *m = NULL;
2852 int i, negative = 0, file_idx;
2853 int sync_file_idx = -1, sync_stream_idx;
2854 char *p, *sync;
2855 char *map;
6291d7e4 2856
8d2e4a7e
AK
2857 if (*arg == '-') {
2858 negative = 1;
2859 arg++;
2860 }
2861 map = av_strdup(arg);
6291d7e4 2862
8d2e4a7e
AK
2863 /* parse sync stream first, just pick first matching stream */
2864 if (sync = strchr(map, ',')) {
2865 *sync = 0;
2866 sync_file_idx = strtol(sync + 1, &sync, 0);
2867 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
f24facd3 2868 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
8d2e4a7e
AK
2869 exit_program(1);
2870 }
2871 if (*sync)
2872 sync++;
ed5b1326 2873 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
8d2e4a7e
AK
2874 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2875 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2876 sync_stream_idx = i;
2877 break;
2878 }
ed5b1326 2879 if (i == input_files[sync_file_idx].nb_streams) {
f24facd3 2880 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
8d2e4a7e
AK
2881 "match any streams.\n", arg);
2882 exit_program(1);
2883 }
2884 }
6291d7e4 2885
8d2e4a7e
AK
2886
2887 file_idx = strtol(map, &p, 0);
2888 if (file_idx >= nb_input_files || file_idx < 0) {
f24facd3 2889 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
8d2e4a7e 2890 exit_program(1);
6291d7e4 2891 }
8d2e4a7e
AK
2892 if (negative)
2893 /* disable some already defined maps */
575ec4e1
AK
2894 for (i = 0; i < o->nb_stream_maps; i++) {
2895 m = &o->stream_maps[i];
e6674f68
AK
2896 if (file_idx == m->file_index &&
2897 check_stream_specifier(input_files[m->file_index].ctx,
8d2e4a7e
AK
2898 input_files[m->file_index].ctx->streams[m->stream_index],
2899 *p == ':' ? p + 1 : p) > 0)
2900 m->disabled = 1;
2901 }
2902 else
ed5b1326 2903 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
8d2e4a7e
AK
2904 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2905 *p == ':' ? p + 1 : p) <= 0)
2906 continue;
575ec4e1
AK
2907 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2908 &o->nb_stream_maps, o->nb_stream_maps + 1);
2909 m = &o->stream_maps[o->nb_stream_maps - 1];
8d2e4a7e
AK
2910
2911 m->file_index = file_idx;
2912 m->stream_index = i;
2913
2914 if (sync_file_idx >= 0) {
2915 m->sync_file_index = sync_file_idx;
2916 m->sync_stream_index = sync_stream_idx;
2917 } else {
2918 m->sync_file_index = file_idx;
2919 m->sync_stream_index = i;
2920 }
2921 }
2922
2923 if (!m) {
f24facd3 2924 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
8d2e4a7e
AK
2925 exit_program(1);
2926 }
2927
2928 av_freep(&map);
6291d7e4
AK
2929 return 0;
2930}
2931
4dbc6cee
AK
2932static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
2933{
2934 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
2935 &o->nb_attachments, o->nb_attachments + 1);
2936 o->attachments[o->nb_attachments - 1] = arg;
2937 return 0;
2938}
2939
a7b5e841
AK
2940/**
2941 * Parse a metadata specifier in arg.
2942 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
2943 * @param index for type c/p, chapter/program index is written here
2944 * @param stream_spec for type s, the stream specifier is written here
2945 */
2946static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
6291d7e4 2947{
039267f1 2948 if (*arg) {
a2a38d96 2949 *type = *arg;
6291d7e4
AK
2950 switch (*arg) {
2951 case 'g':
2952 break;
2953 case 's':
a7b5e841
AK
2954 if (*(++arg) && *arg != ':') {
2955 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
2956 exit_program(1);
2957 }
2958 *stream_spec = *arg == ':' ? arg + 1 : "";
2959 break;
6291d7e4
AK
2960 case 'c':
2961 case 'p':
e6e6060c
AK
2962 if (*(++arg) == ':')
2963 *index = strtol(++arg, NULL, 0);
6291d7e4
AK
2964 break;
2965 default:
e3245b26 2966 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
6291d7e4
AK
2967 exit_program(1);
2968 }
2969 } else
2970 *type = 'g';
2971}
2972
a7b5e841 2973static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
6291d7e4 2974{
a7b5e841
AK
2975 AVDictionary **meta_in = NULL;
2976 AVDictionary **meta_out;
2977 int i, ret = 0;
2978 char type_in, type_out;
2979 const char *istream_spec = NULL, *ostream_spec = NULL;
2980 int idx_in = 0, idx_out = 0;
6291d7e4 2981
a7b5e841
AK
2982 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
2983 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
6291d7e4 2984
a7b5e841 2985 if (type_in == 'g' || type_out == 'g')
847529f8 2986 o->metadata_global_manual = 1;
a7b5e841 2987 if (type_in == 's' || type_out == 's')
847529f8 2988 o->metadata_streams_manual = 1;
a7b5e841 2989 if (type_in == 'c' || type_out == 'c')
847529f8 2990 o->metadata_chapters_manual = 1;
6291d7e4 2991
a7b5e841
AK
2992#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
2993 if ((index) < 0 || (index) >= (nb_elems)) {\
2994 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
2995 (desc), (index));\
2996 exit_program(1);\
2997 }
2998
2999#define SET_DICT(type, meta, context, index)\
3000 switch (type) {\
3001 case 'g':\
3002 meta = &context->metadata;\
3003 break;\
3004 case 'c':\
3005 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3006 meta = &context->chapters[index]->metadata;\
3007 break;\
3008 case 'p':\
3009 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3010 meta = &context->programs[index]->metadata;\
3011 break;\
3012 }\
3013
3014 SET_DICT(type_in, meta_in, ic, idx_in);
3015 SET_DICT(type_out, meta_out, oc, idx_out);
3016
3017 /* for input streams choose first matching stream */
3018 if (type_in == 's') {
3019 for (i = 0; i < ic->nb_streams; i++) {
3020 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3021 meta_in = &ic->streams[i]->metadata;
3022 break;
3023 } else if (ret < 0)
3024 exit_program(1);
3025 }
3026 if (!meta_in) {
3027 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3028 exit_program(1);
3029 }
3030 }
3031
3032 if (type_out == 's') {
3033 for (i = 0; i < oc->nb_streams; i++) {
3034 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3035 meta_out = &oc->streams[i]->metadata;
3036 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3037 } else if (ret < 0)
3038 exit_program(1);
3039 }
3040 } else
3041 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3042
6291d7e4
AK
3043 return 0;
3044}
3045
1b648c7c 3046static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
169f0647
AK
3047{
3048 const char *codec_string = encoder ? "encoder" : "decoder";
3049 AVCodec *codec;
3050
169f0647
AK
3051 codec = encoder ?
3052 avcodec_find_encoder_by_name(name) :
3053 avcodec_find_decoder_by_name(name);
7636c8c6 3054 if (!codec) {
f24facd3 3055 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
169f0647
AK
3056 exit_program(1);
3057 }
7636c8c6 3058 if (codec->type != type) {
f24facd3 3059 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
169f0647
AK
3060 exit_program(1);
3061 }
1b648c7c 3062 return codec;
169f0647
AK
3063}
3064
1b648c7c 3065static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
169f0647 3066{
169f0647 3067 char *codec_name = NULL;
169f0647 3068
35e6f8c1 3069 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
1b648c7c
AK
3070 if (codec_name) {
3071 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3072 st->codec->codec_id = codec->id;
3073 return codec;
3074 } else
3075 return avcodec_find_decoder(st->codec->codec_id);
169f0647 3076}
6291d7e4 3077
88867844
AK
3078/**
3079 * Add all the streams from the given input file to the global
3080 * list of input streams.
3081 */
35e6f8c1 3082static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
88867844 3083{
33f75d72 3084 int i, rfps, rfps_base;
88867844
AK
3085
3086 for (i = 0; i < ic->nb_streams; i++) {
3087 AVStream *st = ic->streams[i];
3088 AVCodecContext *dec = st->codec;
3089 InputStream *ist;
3090
88867844
AK
3091 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3092 ist = &input_streams[nb_input_streams - 1];
3093 ist->st = st;
3094 ist->file_index = nb_input_files;
3095 ist->discard = 1;
3096 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3097
059fb8c8
AK
3098 ist->ts_scale = 1.0;
3099 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
88867844 3100
1b648c7c 3101 ist->dec = choose_decoder(o, ic, st);
88867844
AK
3102
3103 switch (dec->codec_type) {
3104 case AVMEDIA_TYPE_AUDIO:
2130981a 3105 if (o->audio_disable)
7636c8c6 3106 st->discard = AVDISCARD_ALL;
88867844
AK
3107 break;
3108 case AVMEDIA_TYPE_VIDEO:
3109 rfps = ic->streams[i]->r_frame_rate.num;
3110 rfps_base = ic->streams[i]->r_frame_rate.den;
3111 if (dec->lowres) {
3112 dec->flags |= CODEC_FLAG_EMU_EDGE;
3113 dec->height >>= dec->lowres;
3114 dec->width >>= dec->lowres;
3115 }
88867844 3116
7636c8c6 3117 if (dec->time_base.den != rfps * dec->ticks_per_frame || dec->time_base.num != rfps_base) {
88867844 3118
e3245b26
AK
3119 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",
3120 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3121 (float)rfps / rfps_base, rfps, rfps_base);
88867844
AK
3122 }
3123
2130981a 3124 if (o->video_disable)
7636c8c6
AD
3125 st->discard = AVDISCARD_ALL;
3126 else if (video_discard)
3127 st->discard = video_discard;
88867844
AK
3128 break;
3129 case AVMEDIA_TYPE_DATA:
3130 break;
3131 case AVMEDIA_TYPE_SUBTITLE:
2130981a 3132 if (o->subtitle_disable)
88867844
AK
3133 st->discard = AVDISCARD_ALL;
3134 break;
3135 case AVMEDIA_TYPE_ATTACHMENT:
3136 case AVMEDIA_TYPE_UNKNOWN:
3137 break;
3138 default:
3139 abort();
3140 }
3141 }
3142}
3143
a2c0b830
AK
3144static void assert_file_overwrite(const char *filename)
3145{
3146 if (!file_overwrite &&
3147 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3148 av_strstart(filename, "file:", NULL))) {
3149 if (avio_check(filename, 0) == 0) {
3150 if (!using_stdin) {
3151 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3152 fflush(stderr);
3153 if (!read_yesno()) {
3154 fprintf(stderr, "Not overwriting - exiting\n");
3155 exit_program(1);
3156 }
3157 }
3158 else {
3159 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3160 exit_program(1);
3161 }
3162 }
3163 }
3164}
3165
3166static void dump_attachment(AVStream *st, const char *filename)
3167{
3168 int ret;
3169 AVIOContext *out = NULL;
3170 AVDictionaryEntry *e;
3171
3172 if (!st->codec->extradata_size) {
3173 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3174 nb_input_files - 1, st->index);
3175 return;
3176 }
3177 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3178 filename = e->value;
3179 if (!*filename) {
3180 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3181 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3182 exit_program(1);
3183 }
3184
3185 assert_file_overwrite(filename);
3186
2abe947a 3187 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
a2c0b830
AK
3188 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3189 filename);
3190 exit_program(1);
3191 }
3192
3193 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3194 avio_flush(out);
3195 avio_close(out);
3196}
3197
575ec4e1 3198static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
6291d7e4
AK
3199{
3200 AVFormatContext *ic;
3201 AVInputFormat *file_iformat = NULL;
88867844 3202 int err, i, ret;
6291d7e4
AK
3203 int64_t timestamp;
3204 uint8_t buf[128];
3205 AVDictionary **opts;
3206 int orig_nb_streams; // number of streams before avformat_find_stream_info
3207
7041bb3b
AK
3208 if (o->format) {
3209 if (!(file_iformat = av_find_input_format(o->format))) {
e3245b26 3210 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
6291d7e4
AK
3211 exit_program(1);
3212 }
6291d7e4
AK
3213 }
3214
3215 if (!strcmp(filename, "-"))
3216 filename = "pipe:";
3217
3218 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3219 !strcmp(filename, "/dev/stdin");
3220
3221 /* get default parameters from command line */
3222 ic = avformat_alloc_context();
3223 if (!ic) {
3224 print_error(filename, AVERROR(ENOMEM));
3225 exit_program(1);
3226 }
e2469ccf
AK
3227 if (o->nb_audio_sample_rate) {
3228 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
6291d7e4
AK
3229 av_dict_set(&format_opts, "sample_rate", buf, 0);
3230 }
6a11686d
AK
3231 if (o->nb_audio_channels) {
3232 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
6291d7e4
AK
3233 av_dict_set(&format_opts, "channels", buf, 0);
3234 }
91ea4811
AK
3235 if (o->nb_frame_rates) {
3236 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
6291d7e4 3237 }
d4397b03
AK
3238 if (o->nb_frame_sizes) {
3239 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
6291d7e4 3240 }
b2254d83
AK
3241 if (o->nb_frame_pix_fmts)
3242 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
6291d7e4 3243
6291d7e4 3244 ic->flags |= AVFMT_FLAG_NONBLOCK;
2abe947a 3245 ic->interrupt_callback = int_cb;
6291d7e4
AK
3246
3247 /* open the input file with generic libav function */
3248 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3249 if (err < 0) {
3250 print_error(filename, err);
3251 exit_program(1);
3252 }
3253 assert_avoptions(format_opts);
3254
92f1940e
AK
3255 /* apply forced codec ids */
3256 for (i = 0; i < ic->nb_streams; i++)
1b648c7c 3257 choose_decoder(o, ic, ic->streams[i]);
92f1940e 3258
6291d7e4
AK
3259 /* Set AVCodecContext options for avformat_find_stream_info */
3260 opts = setup_find_stream_info_opts(ic, codec_opts);
3261 orig_nb_streams = ic->nb_streams;
3262
3263 /* If not enough info to get the stream parameters, we decode the
3264 first frames to get it. (used in mpeg case for example) */
3265 ret = avformat_find_stream_info(ic, opts);
e3245b26
AK
3266 if (ret < 0) {
3267 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
cd3716b9 3268 avformat_close_input(&ic);
6291d7e4
AK
3269 exit_program(1);
3270 }
3271
6b779ccc 3272 timestamp = o->start_time;
6291d7e4
AK
3273 /* add the stream start time */
3274 if (ic->start_time != AV_NOPTS_VALUE)
3275 timestamp += ic->start_time;
3276
3277 /* if seeking requested, we execute it */
6b779ccc 3278 if (o->start_time != 0) {
6291d7e4
AK
3279 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3280 if (ret < 0) {
e3245b26
AK
3281 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3282 filename, (double)timestamp / AV_TIME_BASE);
6291d7e4 3283 }
6291d7e4
AK
3284 }
3285
3286 /* update the current parameters so that they match the one of the input stream */
35e6f8c1 3287 add_input_streams(o, ic);
6291d7e4
AK
3288
3289 /* dump the file content */
e3245b26 3290 av_dump_format(ic, nb_input_files, filename, 0);
6291d7e4
AK
3291
3292 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3293 input_files[nb_input_files - 1].ctx = ic;
3294 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
6b779ccc 3295 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
ed5b1326 3296 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
dc3e76f3 3297 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
6291d7e4 3298
a2c0b830
AK
3299 for (i = 0; i < o->nb_dump_attachment; i++) {
3300 int j;
3301
3302 for (j = 0; j < ic->nb_streams; j++) {
3303 AVStream *st = ic->streams[j];
3304
3305 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3306 dump_attachment(st, o->dump_attachment[i].u.str);
3307 }
3308 }
3309
6291d7e4
AK
3310 for (i = 0; i < orig_nb_streams; i++)
3311 av_dict_free(&opts[i]);
3312 av_freep(&opts);
575ec4e1
AK
3313
3314 reset_options(o);
6291d7e4
AK
3315 return 0;
3316}
3317
f233cfed
AK
3318static void parse_forced_key_frames(char *kf, OutputStream *ost,
3319 AVCodecContext *avctx)
3320{
3321 char *p;
3322 int n = 1, i;
3323 int64_t t;
3324
3325 for (p = kf; *p; p++)
3326 if (*p == ',')
3327 n++;
3328 ost->forced_kf_count = n;
7636c8c6 3329 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
f233cfed
AK
3330 if (!ost->forced_kf_pts) {
3331 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3332 exit_program(1);
3333 }
3334 for (i = 0; i < n; i++) {
3335 p = i ? strchr(p, ',') + 1 : kf;
3336 t = parse_time_or_die("force_key_frames", p, 1);
3337 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3338 }
3339}
3340
3ec34462
AK
3341static uint8_t *get_line(AVIOContext *s)
3342{
3343 AVIOContext *line;
3344 uint8_t *buf;
3345 char c;
3346
3347 if (avio_open_dyn_buf(&line) < 0) {
3348 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3349 exit_program(1);
3350 }
3351
3352 while ((c = avio_r8(s)) && c != '\n')
3353 avio_w8(line, c);
3354 avio_w8(line, 0);
3355 avio_close_dyn_buf(line, &buf);
3356
3357 return buf;
3358}
3359
3360static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3361{
3362 int i, ret = 1;
3363 char filename[1000];
3364 const char *base[3] = { getenv("AVCONV_DATADIR"),
3365 getenv("HOME"),
3366 AVCONV_DATADIR,
3367 };
3368
3369 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3370 if (!base[i])
3371 continue;
3372 if (codec_name) {
3373 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3374 i != 1 ? "" : "/.avconv", codec_name, preset_name);
2abe947a 3375 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3ec34462
AK
3376 }
3377 if (ret) {
3378 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3379 i != 1 ? "" : "/.avconv", preset_name);
2abe947a 3380 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3ec34462
AK
3381 }
3382 }
3383 return ret;
3384}
3385
1b648c7c
AK
3386static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3387{
3388 char *codec_name = NULL;
3389
3390 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3391 if (!codec_name) {
3392 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3393 NULL, ost->st->codec->codec_type);
3394 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3395 } else if (!strcmp(codec_name, "copy"))
3d813e4c 3396 ost->stream_copy = 1;
1b648c7c
AK
3397 else {
3398 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3399 ost->st->codec->codec_id = ost->enc->id;
3400 }
3401}
3402
35e6f8c1 3403static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
169f0647
AK
3404{
3405 OutputStream *ost;
84ad31ff 3406 AVStream *st = avformat_new_stream(oc, NULL);
3ec34462 3407 int idx = oc->nb_streams - 1, ret = 0;
013887eb 3408 char *bsf = NULL, *next, *codec_tag = NULL;
d821cbe2 3409 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
77d9c454 3410 double qscale = -1;
3ec34462
AK
3411 char *buf = NULL, *arg = NULL, *preset = NULL;
3412 AVIOContext *s = NULL;
169f0647
AK
3413
3414 if (!st) {
f24facd3 3415 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
169f0647
AK
3416 exit_program(1);
3417 }
3418
84ad31ff
AK
3419 if (oc->nb_streams - 1 < o->nb_streamid_map)
3420 st->id = o->streamid_map[oc->nb_streams - 1];
3421
4288e031
AK
3422 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3423 nb_output_streams + 1);
3424 ost = &output_streams[nb_output_streams - 1];
40fc2810 3425 ost->file_index = nb_output_files;
7636c8c6
AD
3426 ost->index = idx;
3427 ost->st = st;
169f0647 3428 st->codec->codec_type = type;
1b648c7c 3429 choose_encoder(o, oc, ost);
169f0647
AK
3430 if (ost->enc) {
3431 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3432 }
3433
3434 avcodec_get_context_defaults3(st->codec, ost->enc);
3435 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3436
3ec34462
AK
3437 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3438 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3439 do {
3440 buf = get_line(s);
3441 if (!buf[0] || buf[0] == '#') {
3442 av_free(buf);
3443 continue;
3444 }
3445 if (!(arg = strchr(buf, '='))) {
3446 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3447 exit_program(1);
3448 }
3449 *arg++ = 0;
3450 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3451 av_free(buf);
3452 } while (!s->eof_reached);
3453 avio_close(s);
3454 }
3455 if (ret) {
3456 av_log(NULL, AV_LOG_FATAL,
3457 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3458 preset, ost->file_index, ost->index);
3459 exit_program(1);
3460 }
3461
059fb8c8
AK
3462 ost->max_frames = INT64_MAX;
3463 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
96139b5e 3464
d821cbe2
AK
3465 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3466 while (bsf) {
3467 if (next = strchr(bsf, ','))
3468 *next++ = 0;
3469 if (!(bsfc = av_bitstream_filter_init(bsf))) {
f24facd3 3470 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
d821cbe2
AK
3471 exit_program(1);
3472 }
3473 if (bsfc_prev)
3474 bsfc_prev->next = bsfc;
3475 else
3476 ost->bitstream_filters = bsfc;
3477
3478 bsfc_prev = bsfc;
3479 bsf = next;
3480 }
3481
013887eb
AK
3482 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3483 if (codec_tag) {
3484 uint32_t tag = strtol(codec_tag, &next, 0);
3485 if (*next)
3486 tag = AV_RL32(codec_tag);
3487 st->codec->codec_tag = tag;
3488 }
3489
77d9c454
AK
3490 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3491 if (qscale >= 0 || same_quant) {
3492 st->codec->flags |= CODEC_FLAG_QSCALE;
3493 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3494 }
3495
becdce99
AK
3496 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3497 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3498
3b3ea346 3499 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
169f0647
AK
3500 return ost;
3501}
3502
2c2cff16
AK
3503static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3504{
3505 int i;
3506 const char *p = str;
7636c8c6 3507 for (i = 0;; i++) {
2c2cff16 3508 dest[i] = atoi(p);
7636c8c6 3509 if (i == 63)
2c2cff16
AK
3510 break;
3511 p = strchr(p, ',');
7636c8c6 3512 if (!p) {
e3245b26 3513 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
2c2cff16
AK
3514 exit_program(1);
3515 }
3516 p++;
3517 }
3518}
3519
35e6f8c1 3520static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK
3521{
3522 AVStream *st;
3523 OutputStream *ost;
3524 AVCodecContext *video_enc;
6291d7e4 3525
35e6f8c1 3526 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
6291d7e4 3527 st = ost->st;
6291d7e4
AK
3528 video_enc = st->codec;
3529
3d813e4c 3530 if (!ost->stream_copy) {
0e68c783 3531 const char *p = NULL;
d4397b03 3532 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
b2254d83 3533 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
8e5ce590 3534 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
059fb8c8 3535 int i;
6291d7e4 3536
91ea4811
AK
3537 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3538 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
f24facd3 3539 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
91ea4811
AK
3540 exit_program(1);
3541 }
6291d7e4 3542
d4397b03
AK
3543 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3544 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
f24facd3 3545 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
d4397b03
AK
3546 exit_program(1);
3547 }
3548
ca46fde7
AK
3549 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3550 if (frame_aspect_ratio)
3551 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3552