avconv: set encoder timebase for subtitles.
[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
e8c04f62
AK
79#define VSYNC_AUTO -1
80#define VSYNC_PASSTHROUGH 0
81#define VSYNC_CFR 1
82#define VSYNC_VFR 2
83
6291d7e4
AK
84const char program_name[] = "avconv";
85const int program_birth_year = 2000;
86
87/* select an input stream for an output stream */
88typedef struct StreamMap {
8d2e4a7e 89 int disabled; /** 1 is this mapping is disabled by a negative map */
6291d7e4
AK
90 int file_index;
91 int stream_index;
92 int sync_file_index;
93 int sync_stream_index;
94} StreamMap;
95
96/**
97 * select an input file for an output file
98 */
99typedef struct MetadataMap {
02494787
DB
100 int file; ///< file index
101 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
102 int index; ///< stream/chapter/program number
6291d7e4
AK
103} MetadataMap;
104
6291d7e4
AK
105static const OptionDef options[];
106
6291d7e4 107static int video_discard = 0;
f4ad238c 108static int same_quant = 0;
6291d7e4 109static int do_deinterlace = 0;
6291d7e4 110static int intra_dc_precision = 8;
6291d7e4 111static int qp_hist = 0;
6291d7e4 112
6291d7e4 113static int file_overwrite = 0;
6291d7e4
AK
114static int do_benchmark = 0;
115static int do_hex_dump = 0;
116static int do_pkt_dump = 0;
6291d7e4
AK
117static int do_pass = 0;
118static char *pass_logfilename_prefix = NULL;
e8c04f62 119static int video_sync_method = VSYNC_AUTO;
7636c8c6
AD
120static int audio_sync_method = 0;
121static float audio_drift_threshold = 0.1;
122static int copy_ts = 0;
7bb3e625 123static int copy_tb = 1;
6291d7e4
AK
124static int opt_shortest = 0;
125static char *vstats_filename;
126static FILE *vstats_file;
6291d7e4 127
6291d7e4
AK
128static int audio_volume = 256;
129
130static int exit_on_error = 0;
131static int using_stdin = 0;
6291d7e4
AK
132static int64_t video_size = 0;
133static int64_t audio_size = 0;
134static int64_t extra_size = 0;
135static int nb_frames_dup = 0;
136static int nb_frames_drop = 0;
137static int input_sync;
6291d7e4
AK
138
139static float dts_delta_threshold = 10;
140
3460dd8a
AK
141static int print_stats = 1;
142
6291d7e4 143static uint8_t *audio_buf;
ee458cb1 144static unsigned int allocated_audio_buf_size;
6291d7e4 145
6291d7e4
AK
146#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
147
64dca32c
AK
148typedef struct FrameBuffer {
149 uint8_t *base[4];
150 uint8_t *data[4];
151 int linesize[4];
152
153 int h, w;
154 enum PixelFormat pix_fmt;
155
156 int refcount;
157 struct InputStream *ist;
158 struct FrameBuffer *next;
159} FrameBuffer;
160
6494c001
AK
161typedef struct InputStream {
162 int file_index;
163 AVStream *st;
164 int discard; /* true if stream data should be discarded */
165 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
166 AVCodec *dec;
9179f27c
JR
167 AVFrame *decoded_frame;
168 AVFrame *filtered_frame;
6494c001
AK
169
170 int64_t start; /* time when read started */
171 int64_t next_pts; /* synthetic pts for cases where pkt.pts
172 is not defined */
173 int64_t pts; /* current pts */
174 PtsCorrectionContext pts_ctx;
175 double ts_scale;
176 int is_start; /* is 1 at the start and after a discontinuity */
177 int showed_multi_packet_warning;
178 AVDictionary *opts;
64dca32c
AK
179
180 /* a pool of free buffers for decoded data */
181 FrameBuffer *buffer_pool;
6494c001
AK
182} InputStream;
183
184typedef struct InputFile {
185 AVFormatContext *ctx;
186 int eof_reached; /* true if eof reached */
187 int ist_index; /* index of first stream in ist_table */
188 int buffer_size; /* current total buffer size */
189 int64_t ts_offset;
ed5b1326
AK
190 int nb_streams; /* number of stream that avconv is aware of; may be different
191 from ctx.nb_streams if new streams appear during av_read_frame() */
f4805328 192 int rate_emu;
6494c001 193} InputFile;
6291d7e4
AK
194
195typedef struct OutputStream {
196 int file_index; /* file index */
197 int index; /* stream index in the output file */
198 int source_index; /* InputStream index */
199 AVStream *st; /* stream in the output file */
200 int encoding_needed; /* true if encoding needed for this stream */
201 int frame_number;
202 /* input pts and corresponding output pts
203 for A/V sync */
7636c8c6 204 // double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
6291d7e4 205 struct InputStream *sync_ist; /* input stream to sync against */
7636c8c6 206 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
6291d7e4
AK
207 AVBitStreamFilterContext *bitstream_filters;
208 AVCodec *enc;
96139b5e 209 int64_t max_frames;
ee458cb1 210 AVFrame *output_frame;
6291d7e4
AK
211
212 /* video only */
213 int video_resample;
214 AVFrame pict_tmp; /* temporary image for resampling */
215 struct SwsContext *img_resample_ctx; /* for image resampling */
216 int resample_height;
217 int resample_width;
218 int resample_pix_fmt;
219 AVRational frame_rate;
bef737a7 220 int force_fps;
828e0bcb 221 int top_field_first;
6291d7e4
AK
222
223 float frame_aspect_ratio;
224
225 /* forced key frames */
226 int64_t *forced_kf_pts;
227 int forced_kf_count;
228 int forced_kf_index;
229
230 /* audio only */
231 int audio_resample;
232 ReSampleContext *resample; /* for audio resampling */
233 int resample_sample_fmt;
234 int resample_channels;
235 int resample_sample_rate;
236 int reformat_pair;
237 AVAudioConvert *reformat_ctx;
238 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
239 FILE *logfile;
240
241#if CONFIG_AVFILTER
242 AVFilterContext *output_video_filter;
243 AVFilterContext *input_video_filter;
244 AVFilterBufferRef *picref;
245 char *avfilter;
246 AVFilterGraph *graph;
247#endif
248
f8c314c8
AK
249 int64_t sws_flags;
250 AVDictionary *opts;
251 int is_past_recording_time;
252 int stream_copy;
253 const char *attachment_filename;
254 int copy_initial_nonkeyframes;
6291d7e4
AK
255} OutputStream;
256
6291d7e4 257
af70aa45
AK
258typedef struct OutputFile {
259 AVFormatContext *ctx;
260 AVDictionary *opts;
4288e031 261 int ost_index; /* index of the first stream in output_streams */
ef44a607 262 int64_t recording_time; /* desired length of the resulting file in microseconds */
ea065176 263 int64_t start_time; /* start time in microseconds */
f21f294e 264 uint64_t limit_filesize;
af70aa45
AK
265} OutputFile;
266
7636c8c6 267static InputStream *input_streams = NULL;
6291d7e4 268static int nb_input_streams = 0;
7636c8c6 269static InputFile *input_files = NULL;
6291d7e4
AK
270static int nb_input_files = 0;
271
4288e031
AK
272static OutputStream *output_streams = NULL;
273static int nb_output_streams = 0;
af70aa45
AK
274static OutputFile *output_files = NULL;
275static int nb_output_files = 0;
276
575ec4e1 277typedef struct OptionsContext {
6b779ccc
AK
278 /* input/output options */
279 int64_t start_time;
7041bb3b 280 const char *format;
6b779ccc 281
35e6f8c1
AK
282 SpecifierOpt *codec_names;
283 int nb_codec_names;
6a11686d
AK
284 SpecifierOpt *audio_channels;
285 int nb_audio_channels;
e2469ccf
AK
286 SpecifierOpt *audio_sample_rate;
287 int nb_audio_sample_rate;
91ea4811
AK
288 SpecifierOpt *frame_rates;
289 int nb_frame_rates;
d4397b03
AK
290 SpecifierOpt *frame_sizes;
291 int nb_frame_sizes;
b2254d83
AK
292 SpecifierOpt *frame_pix_fmts;
293 int nb_frame_pix_fmts;
35e6f8c1 294
6b779ccc
AK
295 /* input options */
296 int64_t input_ts_offset;
f4805328 297 int rate_emu;
6b779ccc 298
33f75d72
AK
299 SpecifierOpt *ts_scale;
300 int nb_ts_scale;
a2c0b830
AK
301 SpecifierOpt *dump_attachment;
302 int nb_dump_attachment;
33f75d72 303
575ec4e1
AK
304 /* output options */
305 StreamMap *stream_maps;
306 int nb_stream_maps;
847529f8
AK
307 /* first item specifies output metadata, second is input */
308 MetadataMap (*meta_data_maps)[2];
309 int nb_meta_data_maps;
310 int metadata_global_manual;
311 int metadata_streams_manual;
312 int metadata_chapters_manual;
4dbc6cee
AK
313 const char **attachments;
314 int nb_attachments;
6b779ccc 315
c5bb372e
AK
316 int chapters_input_file;
317
6b779ccc 318 int64_t recording_time;
13ccba50 319 uint64_t limit_filesize;
dc26318c
AK
320 float mux_preload;
321 float mux_max_delay;
039267f1 322
2130981a
AK
323 int video_disable;
324 int audio_disable;
325 int subtitle_disable;
326 int data_disable;
327
495ecfd1
AK
328 /* indexed by output file stream index */
329 int *streamid_map;
330 int nb_streamid_map;
331
039267f1
AK
332 SpecifierOpt *metadata;
333 int nb_metadata;
96139b5e
AK
334 SpecifierOpt *max_frames;
335 int nb_max_frames;
d821cbe2
AK
336 SpecifierOpt *bitstream_filters;
337 int nb_bitstream_filters;
013887eb
AK
338 SpecifierOpt *codec_tags;
339 int nb_codec_tags;
05bffc12
AK
340 SpecifierOpt *sample_fmts;
341 int nb_sample_fmts;
77d9c454
AK
342 SpecifierOpt *qscale;
343 int nb_qscale;
7c029672
AK
344 SpecifierOpt *forced_key_frames;
345 int nb_forced_key_frames;
bef737a7
AK
346 SpecifierOpt *force_fps;
347 int nb_force_fps;
ca46fde7
AK
348 SpecifierOpt *frame_aspect_ratios;
349 int nb_frame_aspect_ratios;
0e68c783
AK
350 SpecifierOpt *rc_overrides;
351 int nb_rc_overrides;
2c2cff16
AK
352 SpecifierOpt *intra_matrices;
353 int nb_intra_matrices;
354 SpecifierOpt *inter_matrices;
355 int nb_inter_matrices;
828e0bcb
AK
356 SpecifierOpt *top_field_first;
357 int nb_top_field_first;
a7b5e841
AK
358 SpecifierOpt *metadata_map;
359 int nb_metadata_map;
3ec34462
AK
360 SpecifierOpt *presets;
361 int nb_presets;
a2aeeb22
AK
362 SpecifierOpt *copy_initial_nonkeyframes;
363 int nb_copy_initial_nonkeyframes;
8e5ce590
AK
364#if CONFIG_AVFILTER
365 SpecifierOpt *filters;
366 int nb_filters;
367#endif
575ec4e1
AK
368} OptionsContext;
369
35e6f8c1
AK
370#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
371{\
372 int i, ret;\
373 for (i = 0; i < o->nb_ ## name; i++) {\
374 char *spec = o->name[i].specifier;\
375 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
376 outvar = o->name[i].u.type;\
377 else if (ret < 0)\
378 exit_program(1);\
379 }\
380}
381
575ec4e1
AK
382static void reset_options(OptionsContext *o)
383{
384 const OptionDef *po = options;
385
386 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
387 while (po->name) {
388 void *dst = (uint8_t*)o + po->u.off;
389
390 if (po->flags & OPT_SPEC) {
391 SpecifierOpt **so = dst;
392 int i, *count = (int*)(so + 1);
393 for (i = 0; i < *count; i++) {
394 av_freep(&(*so)[i].specifier);
395 if (po->flags & OPT_STRING)
396 av_freep(&(*so)[i].u.str);
397 }
398 av_freep(so);
399 *count = 0;
400 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
401 av_freep(dst);
402 po++;
403 }
404
405 av_freep(&o->stream_maps);
847529f8 406 av_freep(&o->meta_data_maps);
495ecfd1 407 av_freep(&o->streamid_map);
575ec4e1
AK
408
409 memset(o, 0, sizeof(*o));
6b779ccc 410
dc26318c 411 o->mux_max_delay = 0.7;
6b779ccc 412 o->recording_time = INT64_MAX;
13ccba50 413 o->limit_filesize = UINT64_MAX;
c5bb372e 414 o->chapters_input_file = INT_MAX;
6b779ccc 415
575ec4e1
AK
416 uninit_opts();
417 init_opts();
418}
419
64dca32c
AK
420static int alloc_buffer(InputStream *ist, FrameBuffer **pbuf)
421{
422 AVCodecContext *s = ist->st->codec;
423 FrameBuffer *buf = av_mallocz(sizeof(*buf));
3715d841 424 int i, ret;
64dca32c
AK
425 const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;
426 int h_chroma_shift, v_chroma_shift;
427 int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1
428 int w = s->width, h = s->height;
429
430 if (!buf)
431 return AVERROR(ENOMEM);
432
433 if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
434 w += 2*edge;
435 h += 2*edge;
436 }
437
438 avcodec_align_dimensions(s, &w, &h);
439 if ((ret = av_image_alloc(buf->base, buf->linesize, w, h,
440 s->pix_fmt, 32)) < 0) {
441 av_freep(&buf);
442 return ret;
443 }
444 /* XXX this shouldn't be needed, but some tests break without this line
445 * those decoders are buggy and need to be fixed.
446 * the following tests fail:
447 * bethsoft-vid, cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit
448 */
449 memset(buf->base[0], 128, ret);
450
451 avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
3715d841 452 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
64dca32c
AK
453 const int h_shift = i==0 ? 0 : h_chroma_shift;
454 const int v_shift = i==0 ? 0 : v_chroma_shift;
455 if (s->flags & CODEC_FLAG_EMU_EDGE)
456 buf->data[i] = buf->base[i];
457 else
458 buf->data[i] = buf->base[i] +
459 FFALIGN((buf->linesize[i]*edge >> v_shift) +
460 (pixel_size*edge >> h_shift), 32);
461 }
462 buf->w = s->width;
463 buf->h = s->height;
464 buf->pix_fmt = s->pix_fmt;
465 buf->ist = ist;
466
467 *pbuf = buf;
468 return 0;
469}
470
471static void free_buffer_pool(InputStream *ist)
472{
473 FrameBuffer *buf = ist->buffer_pool;
474 while (buf) {
475 ist->buffer_pool = buf->next;
476 av_freep(&buf->base[0]);
477 av_free(buf);
478 buf = ist->buffer_pool;
479 }
480}
481
482static void unref_buffer(InputStream *ist, FrameBuffer *buf)
483{
484 av_assert0(buf->refcount);
485 buf->refcount--;
486 if (!buf->refcount) {
487 buf->next = ist->buffer_pool;
488 ist->buffer_pool = buf;
489 }
490}
491
492static int codec_get_buffer(AVCodecContext *s, AVFrame *frame)
493{
494 InputStream *ist = s->opaque;
495 FrameBuffer *buf;
496 int ret, i;
497
498 if (!ist->buffer_pool && (ret = alloc_buffer(ist, &ist->buffer_pool)) < 0)
499 return ret;
500
501 buf = ist->buffer_pool;
502 ist->buffer_pool = buf->next;
503 buf->next = NULL;
504 if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) {
505 av_freep(&buf->base[0]);
506 av_free(buf);
507 if ((ret = alloc_buffer(ist, &buf)) < 0)
508 return ret;
509 }
510 buf->refcount++;
511
512 frame->opaque = buf;
513 frame->type = FF_BUFFER_TYPE_USER;
514 frame->extended_data = frame->data;
515 frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE;
516
517 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
518 frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't
519 frame->data[i] = buf->data[i];
520 frame->linesize[i] = buf->linesize[i];
521 }
522
523 return 0;
524}
525
526static void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
527{
528 InputStream *ist = s->opaque;
529 FrameBuffer *buf = frame->opaque;
530 int i;
531
532 for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
533 frame->data[i] = NULL;
534
535 unref_buffer(ist, buf);
536}
537
04a14d4d
AK
538static void filter_release_buffer(AVFilterBuffer *fb)
539{
540 FrameBuffer *buf = fb->priv;
541 av_free(fb);
542 unref_buffer(buf->ist, buf);
543}
544
6291d7e4
AK
545#if CONFIG_AVFILTER
546
547static int configure_video_filters(InputStream *ist, OutputStream *ost)
548{
549 AVFilterContext *last_filter, *filter;
550 /** filter graph containing all filters including input & output */
551 AVCodecContext *codec = ost->st->codec;
552 AVCodecContext *icodec = ist->st->codec;
abe655a4 553 SinkContext sink_ctx = { .pix_fmt = codec->pix_fmt };
6291d7e4
AK
554 AVRational sample_aspect_ratio;
555 char args[255];
556 int ret;
557
558 ost->graph = avfilter_graph_alloc();
559
7636c8c6 560 if (ist->st->sample_aspect_ratio.num) {
6291d7e4 561 sample_aspect_ratio = ist->st->sample_aspect_ratio;
7636c8c6 562 } else
6291d7e4
AK
563 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
564
565 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
566 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
567 sample_aspect_ratio.num, sample_aspect_ratio.den);
568
569 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
570 "src", args, NULL, ost->graph);
571 if (ret < 0)
572 return ret;
abe655a4
DB
573 ret = avfilter_graph_create_filter(&ost->output_video_filter, &sink,
574 "out", NULL, &sink_ctx, ost->graph);
6291d7e4
AK
575 if (ret < 0)
576 return ret;
577 last_filter = ost->input_video_filter;
578
7636c8c6 579 if (codec->width != icodec->width || codec->height != icodec->height) {
6291d7e4
AK
580 snprintf(args, 255, "%d:%d:flags=0x%X",
581 codec->width,
582 codec->height,
3b3ea346 583 (unsigned)ost->sws_flags);
6291d7e4
AK
584 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
585 NULL, args, NULL, ost->graph)) < 0)
586 return ret;
587 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
588 return ret;
589 last_filter = filter;
590 }
591
3b3ea346 592 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
6291d7e4
AK
593 ost->graph->scale_sws_opts = av_strdup(args);
594
595 if (ost->avfilter) {
596 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
597 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
598
599 outputs->name = av_strdup("in");
600 outputs->filter_ctx = last_filter;
601 outputs->pad_idx = 0;
602 outputs->next = NULL;
603
604 inputs->name = av_strdup("out");
605 inputs->filter_ctx = ost->output_video_filter;
606 inputs->pad_idx = 0;
607 inputs->next = NULL;
608
609 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
610 return ret;
6291d7e4
AK
611 } else {
612 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
613 return ret;
614 }
615
616 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
617 return ret;
618
619 codec->width = ost->output_video_filter->inputs[0]->w;
620 codec->height = ost->output_video_filter->inputs[0]->h;
621 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
bb337b4f 622 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
7636c8c6 623 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
6291d7e4
AK
624 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
625
626 return 0;
627}
628#endif /* CONFIG_AVFILTER */
629
630static void term_exit(void)
631{
632 av_log(NULL, AV_LOG_QUIET, "");
633}
634
635static volatile int received_sigterm = 0;
636static volatile int received_nb_signals = 0;
637
638static void
639sigterm_handler(int sig)
640{
641 received_sigterm = sig;
642 received_nb_signals++;
643 term_exit();
644}
645
646static void term_init(void)
647{
7636c8c6 648 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
6291d7e4
AK
649 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
650#ifdef SIGXCPU
651 signal(SIGXCPU, sigterm_handler);
652#endif
653}
654
2abe947a 655static int decode_interrupt_cb(void *ctx)
6291d7e4
AK
656{
657 return received_nb_signals > 1;
658}
659
2abe947a
MS
660static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
661
dad09ff9 662void exit_program(int ret)
6291d7e4
AK
663{
664 int i;
665
666 /* close files */
7636c8c6 667 for (i = 0; i < nb_output_files; i++) {
af70aa45 668 AVFormatContext *s = output_files[i].ctx;
6291d7e4
AK
669 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
670 avio_close(s->pb);
671 avformat_free_context(s);
af70aa45 672 av_dict_free(&output_files[i].opts);
6291d7e4 673 }
1135a071
JG
674 for (i = 0; i < nb_output_streams; i++) {
675 AVBitStreamFilterContext *bsfc = output_streams[i].bitstream_filters;
676 while (bsfc) {
677 AVBitStreamFilterContext *next = bsfc->next;
678 av_bitstream_filter_close(bsfc);
679 bsfc = next;
680 }
681 output_streams[i].bitstream_filters = NULL;
ac646076 682
ee458cb1
JR
683 if (output_streams[i].output_frame) {
684 AVFrame *frame = output_streams[i].output_frame;
685 if (frame->extended_data != frame->data)
686 av_freep(&frame->extended_data);
687 av_freep(&frame);
688 }
689
ac646076
AK
690#if CONFIG_AVFILTER
691 av_freep(&output_streams[i].avfilter);
692#endif
1135a071 693 }
7636c8c6 694 for (i = 0; i < nb_input_files; i++) {
cd3716b9 695 avformat_close_input(&input_files[i].ctx);
6291d7e4 696 }
9179f27c
JR
697 for (i = 0; i < nb_input_streams; i++) {
698 av_freep(&input_streams[i].decoded_frame);
699 av_freep(&input_streams[i].filtered_frame);
6291d7e4 700 av_dict_free(&input_streams[i].opts);
64dca32c 701 free_buffer_pool(&input_streams[i]);
9179f27c 702 }
6291d7e4 703
6291d7e4
AK
704 if (vstats_file)
705 fclose(vstats_file);
706 av_free(vstats_filename);
707
6291d7e4
AK
708 av_freep(&input_streams);
709 av_freep(&input_files);
4288e031 710 av_freep(&output_streams);
af70aa45 711 av_freep(&output_files);
6291d7e4 712
6291d7e4
AK
713 uninit_opts();
714 av_free(audio_buf);
ee458cb1 715 allocated_audio_buf_size = 0;
6291d7e4
AK
716
717#if CONFIG_AVFILTER
718 avfilter_uninit();
719#endif
776f2bb9 720 avformat_network_deinit();
6291d7e4
AK
721
722 if (received_sigterm) {
e3245b26
AK
723 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
724 (int) received_sigterm);
6291d7e4
AK
725 exit (255);
726 }
727
f75e3d25 728 exit(ret);
6291d7e4
AK
729}
730
731static void assert_avoptions(AVDictionary *m)
732{
733 AVDictionaryEntry *t;
734 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
f24facd3 735 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
6291d7e4
AK
736 exit_program(1);
737 }
738}
739
740static void assert_codec_experimental(AVCodecContext *c, int encoder)
741{
742 const char *codec_string = encoder ? "encoder" : "decoder";
743 AVCodec *codec;
744 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
745 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
f24facd3 746 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
6291d7e4
AK
747 "results.\nAdd '-strict experimental' if you want to use it.\n",
748 codec_string, c->codec->name);
749 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
750 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
f24facd3 751 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
6291d7e4
AK
752 codec_string, codec->name);
753 exit_program(1);
754 }
755}
756
6291d7e4
AK
757static void choose_sample_fmt(AVStream *st, AVCodec *codec)
758{
7636c8c6
AD
759 if (codec && codec->sample_fmts) {
760 const enum AVSampleFormat *p = codec->sample_fmts;
761 for (; *p != -1; p++) {
762 if (*p == st->codec->sample_fmt)
6291d7e4
AK
763 break;
764 }
765 if (*p == -1) {
766 av_log(NULL, AV_LOG_WARNING,
767 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
768 av_get_sample_fmt_name(st->codec->sample_fmt),
769 codec->name,
770 av_get_sample_fmt_name(codec->sample_fmts[0]));
771 st->codec->sample_fmt = codec->sample_fmts[0];
772 }
773 }
774}
775
776/**
777 * Update the requested input sample format based on the output sample format.
778 * This is currently only used to request float output from decoders which
779 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
780 * Ideally this will be removed in the future when decoders do not do format
781 * conversion and only output in their native format.
782 */
783static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
784 AVCodecContext *enc)
785{
786 /* if sample formats match or a decoder sample format has already been
787 requested, just return */
788 if (enc->sample_fmt == dec->sample_fmt ||
789 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
790 return;
791
792 /* if decoder supports more than one output format */
793 if (dec_codec && dec_codec->sample_fmts &&
794 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
795 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
796 const enum AVSampleFormat *p;
797 int min_dec = -1, min_inc = -1;
798
799 /* find a matching sample format in the encoder */
800 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
801 if (*p == enc->sample_fmt) {
802 dec->request_sample_fmt = *p;
803 return;
804 } else if (*p > enc->sample_fmt) {
805 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
806 } else
807 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
808 }
809
810 /* if none match, provide the one that matches quality closest */
811 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
812 enc->sample_fmt - min_dec;
813 }
814}
815
816static void choose_sample_rate(AVStream *st, AVCodec *codec)
817{
7636c8c6
AD
818 if (codec && codec->supported_samplerates) {
819 const int *p = codec->supported_samplerates;
820 int best = 0;
821 int best_dist = INT_MAX;
822 for (; *p; p++) {
823 int dist = abs(st->codec->sample_rate - *p);
824 if (dist < best_dist) {
825 best_dist = dist;
826 best = *p;
6291d7e4
AK
827 }
828 }
7636c8c6 829 if (best_dist) {
6291d7e4
AK
830 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
831 }
7636c8c6 832 st->codec->sample_rate = best;
6291d7e4
AK
833 }
834}
835
836static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
837{
7636c8c6
AD
838 if (codec && codec->pix_fmts) {
839 const enum PixelFormat *p = codec->pix_fmts;
840 if (st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
841 if (st->codec->codec_id == CODEC_ID_MJPEG) {
842 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
843 } else if (st->codec->codec_id == CODEC_ID_LJPEG) {
844 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
845 PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
6291d7e4
AK
846 }
847 }
105ab61c 848 for (; *p != PIX_FMT_NONE; p++) {
7636c8c6 849 if (*p == st->codec->pix_fmt)
6291d7e4
AK
850 break;
851 }
105ab61c 852 if (*p == PIX_FMT_NONE) {
7636c8c6 853 if (st->codec->pix_fmt != PIX_FMT_NONE)
6291d7e4 854 av_log(NULL, AV_LOG_WARNING,
7636c8c6
AD
855 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
856 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
857 codec->name,
858 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
6291d7e4
AK
859 st->codec->pix_fmt = codec->pix_fmts[0];
860 }
861 }
862}
863
6291d7e4
AK
864static double
865get_sync_ipts(const OutputStream *ost)
866{
867 const InputStream *ist = ost->sync_ist;
ea065176 868 OutputFile *of = &output_files[ost->file_index];
7636c8c6 869 return (double)(ist->pts - of->start_time) / AV_TIME_BASE;
6291d7e4
AK
870}
871
f15f02c2 872static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
7636c8c6 873{
f15f02c2
AK
874 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
875 AVCodecContext *avctx = ost->st->codec;
6291d7e4
AK
876 int ret;
877
99932847
AK
878 /*
879 * Audio encoders may split the packets -- #frames in != #packets out.
880 * But there is no reordering, so we can limit the number of output packets
881 * by simply dropping them here.
882 * Counting encoded video frames needs to be done separately because of
883 * reordering, see do_video_out()
884 */
885 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
886 if (ost->frame_number >= ost->max_frames)
887 return;
888 ost->frame_number++;
889 }
890
7636c8c6
AD
891 while (bsfc) {
892 AVPacket new_pkt = *pkt;
893 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
894 &new_pkt.data, &new_pkt.size,
895 pkt->data, pkt->size,
896 pkt->flags & AV_PKT_FLAG_KEY);
897 if (a > 0) {
6291d7e4 898 av_free_packet(pkt);
7636c8c6
AD
899 new_pkt.destruct = av_destruct_packet;
900 } else if (a < 0) {
e3245b26
AK
901 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
902 bsfc->filter->name, pkt->stream_index,
903 avctx->codec ? avctx->codec->name : "copy");
6291d7e4
AK
904 print_error("", a);
905 if (exit_on_error)
906 exit_program(1);
907 }
7636c8c6 908 *pkt = new_pkt;
6291d7e4 909
7636c8c6 910 bsfc = bsfc->next;
6291d7e4
AK
911 }
912
61a09968 913 pkt->stream_index = ost->index;
7636c8c6
AD
914 ret = av_interleaved_write_frame(s, pkt);
915 if (ret < 0) {
6291d7e4
AK
916 print_error("av_interleaved_write_frame()", ret);
917 exit_program(1);
918 }
919}
920
fdab793a
AC
921static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
922{
923 int fill_char = 0x00;
924 if (sample_fmt == AV_SAMPLE_FMT_U8)
925 fill_char = 0x80;
926 memset(buf, fill_char, size);
927}
928
ee458cb1
JR
929static int encode_audio_frame(AVFormatContext *s, OutputStream *ost,
930 const uint8_t *buf, int buf_size)
931{
932 AVCodecContext *enc = ost->st->codec;
933 AVFrame *frame = NULL;
934 AVPacket pkt;
935 int ret, got_packet;
936
937 av_init_packet(&pkt);
938 pkt.data = NULL;
939 pkt.size = 0;
940
941 if (buf) {
942 if (!ost->output_frame) {
943 ost->output_frame = avcodec_alloc_frame();
944 if (!ost->output_frame) {
945 av_log(NULL, AV_LOG_FATAL, "out-of-memory in encode_audio_frame()\n");
946 exit_program(1);
947 }
948 }
949 frame = ost->output_frame;
950 if (frame->extended_data != frame->data)
951 av_freep(&frame->extended_data);
952 avcodec_get_frame_defaults(frame);
953
954 frame->nb_samples = buf_size /
955 (enc->channels * av_get_bytes_per_sample(enc->sample_fmt));
956 if ((ret = avcodec_fill_audio_frame(frame, enc->channels, enc->sample_fmt,
957 buf, buf_size, 1)) < 0) {
958 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
959 exit_program(1);
960 }
961 }
962
963 got_packet = 0;
964 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
965 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
966 exit_program(1);
967 }
968
969 if (got_packet) {
ee458cb1
JR
970 if (pkt.pts != AV_NOPTS_VALUE)
971 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
972 if (pkt.duration > 0)
973 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
974
975 write_frame(s, &pkt, ost);
976
977 audio_size += pkt.size;
978 }
979
980 if (frame)
981 ost->sync_opts += frame->nb_samples;
982
983 return pkt.size;
984}
985
d1241ff3
JR
986static void do_audio_out(AVFormatContext *s, OutputStream *ost,
987 InputStream *ist, AVFrame *decoded_frame)
6291d7e4
AK
988{
989 uint8_t *buftmp;
ee458cb1 990 int64_t audio_buf_size;
6291d7e4 991
ee458cb1 992 int size_out, frame_bytes, resample_changed;
7636c8c6
AD
993 AVCodecContext *enc = ost->st->codec;
994 AVCodecContext *dec = ist->st->codec;
6291d7e4
AK
995 int osize = av_get_bytes_per_sample(enc->sample_fmt);
996 int isize = av_get_bytes_per_sample(dec->sample_fmt);
d1241ff3
JR
997 uint8_t *buf = decoded_frame->data[0];
998 int size = decoded_frame->nb_samples * dec->channels * isize;
999 int64_t allocated_for_size = size;
6291d7e4
AK
1000
1001need_realloc:
7636c8c6
AD
1002 audio_buf_size = (allocated_for_size + isize * dec->channels - 1) / (isize * dec->channels);
1003 audio_buf_size = (audio_buf_size * enc->sample_rate + dec->sample_rate) / dec->sample_rate;
1004 audio_buf_size = audio_buf_size * 2 + 10000; // safety factors for the deprecated resampling API
1005 audio_buf_size = FFMAX(audio_buf_size, enc->frame_size);
1006 audio_buf_size *= osize * enc->channels;
1007
ee458cb1 1008 if (audio_buf_size > INT_MAX) {
e3245b26 1009 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
6291d7e4
AK
1010 exit_program(1);
1011 }
1012
1013 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
ee458cb1 1014 if (!audio_buf) {
e3245b26 1015 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
6291d7e4
AK
1016 exit_program(1);
1017 }
1018
1019 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
1020 ost->audio_resample = 1;
1021
1022 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
1023 ost->resample_channels != dec->channels ||
1024 ost->resample_sample_rate != dec->sample_rate;
1025
1026 if ((ost->audio_resample && !ost->resample) || resample_changed) {
1027 if (resample_changed) {
9a414d89 1028 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
1029 ist->file_index, ist->st->index,
1030 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
1031 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
1032 ost->resample_sample_fmt = dec->sample_fmt;
1033 ost->resample_channels = dec->channels;
1034 ost->resample_sample_rate = dec->sample_rate;
1035 if (ost->resample)
1036 audio_resample_close(ost->resample);
1037 }
1038 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
1039 if (audio_sync_method <= 1 &&
1040 ost->resample_sample_fmt == enc->sample_fmt &&
1041 ost->resample_channels == enc->channels &&
1042 ost->resample_sample_rate == enc->sample_rate) {
1043 ost->resample = NULL;
1044 ost->audio_resample = 0;
1045 } else if (ost->audio_resample) {
1046 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
e3245b26 1047 av_log(NULL, AV_LOG_WARNING, "Using s16 intermediate sample format for resampling\n");
6291d7e4
AK
1048 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
1049 enc->sample_rate, dec->sample_rate,
1050 enc->sample_fmt, dec->sample_fmt,
1051 16, 10, 0, 0.8);
1052 if (!ost->resample) {
e3245b26
AK
1053 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
1054 dec->channels, dec->sample_rate,
1055 enc->channels, enc->sample_rate);
6291d7e4
AK
1056 exit_program(1);
1057 }
1058 }
1059 }
1060
1061#define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
7636c8c6
AD
1062 if (!ost->audio_resample && dec->sample_fmt != enc->sample_fmt &&
1063 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt) != ost->reformat_pair) {
6291d7e4
AK
1064 if (ost->reformat_ctx)
1065 av_audio_convert_free(ost->reformat_ctx);
1066 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
1067 dec->sample_fmt, 1, NULL, 0);
1068 if (!ost->reformat_ctx) {
e3245b26
AK
1069 av_log(NULL, AV_LOG_FATAL, "Cannot convert %s sample format to %s sample format\n",
1070 av_get_sample_fmt_name(dec->sample_fmt),
1071 av_get_sample_fmt_name(enc->sample_fmt));
6291d7e4
AK
1072 exit_program(1);
1073 }
7636c8c6 1074 ost->reformat_pair = MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
6291d7e4
AK
1075 }
1076
7636c8c6
AD
1077 if (audio_sync_method) {
1078 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts -
1079 av_fifo_size(ost->fifo) / (enc->channels * osize);
fdab793a
AC
1080 int idelta = delta * dec->sample_rate / enc->sample_rate;
1081 int byte_delta = idelta * isize * dec->channels;
6291d7e4 1082
7636c8c6
AD
1083 // FIXME resample delay
1084 if (fabs(delta) > 50) {
1085 if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) {
1086 if (byte_delta < 0) {
1087 byte_delta = FFMAX(byte_delta, -size);
6291d7e4
AK
1088 size += byte_delta;
1089 buf -= byte_delta;
fdab793a
AC
1090 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
1091 -byte_delta / (isize * dec->channels));
7636c8c6 1092 if (!size)
6291d7e4 1093 return;
7636c8c6
AD
1094 ist->is_start = 0;
1095 } else {
1096 static uint8_t *input_tmp = NULL;
1097 input_tmp = av_realloc(input_tmp, byte_delta + size);
6291d7e4 1098
7636c8c6
AD
1099 if (byte_delta > allocated_for_size - size) {
1100 allocated_for_size = byte_delta + (int64_t)size;
6291d7e4
AK
1101 goto need_realloc;
1102 }
7636c8c6 1103 ist->is_start = 0;
6291d7e4 1104
fdab793a 1105 generate_silence(input_tmp, dec->sample_fmt, byte_delta);
6291d7e4 1106 memcpy(input_tmp + byte_delta, buf, size);
7636c8c6 1107 buf = input_tmp;
6291d7e4 1108 size += byte_delta;
fdab793a 1109 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
6291d7e4 1110 }
7636c8c6
AD
1111 } else if (audio_sync_method > 1) {
1112 int comp = av_clip(delta, -audio_sync_method, audio_sync_method);
6291d7e4 1113 av_assert0(ost->audio_resample);
e3245b26
AK
1114 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
1115 delta, comp, enc->sample_rate);
6291d7e4
AK
1116// 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));
1117 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
1118 }
1119 }
7636c8c6
AD
1120 } else
1121 ost->sync_opts = lrintf(get_sync_ipts(ost) * enc->sample_rate) -
1122 av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong
6291d7e4
AK
1123
1124 if (ost->audio_resample) {
1125 buftmp = audio_buf;
1126 size_out = audio_resample(ost->resample,
1127 (short *)buftmp, (short *)buf,
1128 size / (dec->channels * isize));
1129 size_out = size_out * enc->channels * osize;
1130 } else {
1131 buftmp = buf;
1132 size_out = size;
1133 }
1134
7636c8c6
AD
1135 if (!ost->audio_resample && dec->sample_fmt != enc->sample_fmt) {
1136 const void *ibuf[6] = { buftmp };
1137 void *obuf[6] = { audio_buf };
1138 int istride[6] = { isize };
1139 int ostride[6] = { osize };
1140 int len = size_out / istride[0];
1141 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len) < 0) {
6291d7e4
AK
1142 printf("av_audio_convert() failed\n");
1143 if (exit_on_error)
1144 exit_program(1);
1145 return;
1146 }
1147 buftmp = audio_buf;
7636c8c6 1148 size_out = len * osize;
6291d7e4
AK
1149 }
1150
1151 /* now encode as many frames as possible */
ee458cb1 1152 if (!(enc->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
6291d7e4
AK
1153 /* output resampled raw samples */
1154 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
e3245b26 1155 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
6291d7e4
AK
1156 exit_program(1);
1157 }
1158 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
1159
1160 frame_bytes = enc->frame_size * osize * enc->channels;
1161
1162 while (av_fifo_size(ost->fifo) >= frame_bytes) {
6291d7e4 1163 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
ee458cb1 1164 encode_audio_frame(s, ost, audio_buf, frame_bytes);
6291d7e4
AK
1165 }
1166 } else {
ee458cb1 1167 encode_audio_frame(s, ost, buftmp, size_out);
6291d7e4
AK
1168 }
1169}
1170
1171static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1172{
1173 AVCodecContext *dec;
1174 AVPicture *picture2;
1175 AVPicture picture_tmp;
1176 uint8_t *buf = 0;
1177
1178 dec = ist->st->codec;
1179
1180 /* deinterlace : must be done before any resize */
1181 if (do_deinterlace) {
1182 int size;
1183
1184 /* create temporary picture */
1185 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
7636c8c6 1186 buf = av_malloc(size);
6291d7e4
AK
1187 if (!buf)
1188 return;
1189
1190 picture2 = &picture_tmp;
1191 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1192
7636c8c6 1193 if (avpicture_deinterlace(picture2, picture,
6291d7e4
AK
1194 dec->pix_fmt, dec->width, dec->height) < 0) {
1195 /* if error, do not deinterlace */
e3245b26 1196 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
6291d7e4
AK
1197 av_free(buf);
1198 buf = NULL;
1199 picture2 = picture;
1200 }
1201 } else {
1202 picture2 = picture;
1203 }
1204
1205 if (picture != picture2)
1206 *picture = *picture2;
1207 *bufp = buf;
1208}
1209
6291d7e4
AK
1210static void do_subtitle_out(AVFormatContext *s,
1211 OutputStream *ost,
1212 InputStream *ist,
1213 AVSubtitle *sub,
1214 int64_t pts)
1215{
1216 static uint8_t *subtitle_out = NULL;
1217 int subtitle_out_max_size = 1024 * 1024;
1218 int subtitle_out_size, nb, i;
1219 AVCodecContext *enc;
1220 AVPacket pkt;
1221
1222 if (pts == AV_NOPTS_VALUE) {
e3245b26 1223 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
6291d7e4
AK
1224 if (exit_on_error)
1225 exit_program(1);
1226 return;
1227 }
1228
1229 enc = ost->st->codec;
1230
1231 if (!subtitle_out) {
1232 subtitle_out = av_malloc(subtitle_out_max_size);
1233 }
1234
1235 /* Note: DVB subtitle need one packet to draw them and one other
1236 packet to clear them */
1237 /* XXX: signal it in the codec context ? */
1238 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1239 nb = 2;
1240 else
1241 nb = 1;
1242
7636c8c6 1243 for (i = 0; i < nb; i++) {
6291d7e4
AK
1244 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1245 // start_display_time is required to be 0
7636c8c6
AD
1246 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1247 sub->end_display_time -= sub->start_display_time;
6291d7e4
AK
1248 sub->start_display_time = 0;
1249 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1250 subtitle_out_max_size, sub);
1251 if (subtitle_out_size < 0) {
e3245b26 1252 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
6291d7e4
AK
1253 exit_program(1);
1254 }
1255
1256 av_init_packet(&pkt);
6291d7e4
AK
1257 pkt.data = subtitle_out;
1258 pkt.size = subtitle_out_size;
7636c8c6 1259 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
6291d7e4
AK
1260 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1261 /* XXX: the pts correction is handled here. Maybe handling
1262 it in the codec would be better */
1263 if (i == 0)
1264 pkt.pts += 90 * sub->start_display_time;
1265 else
1266 pkt.pts += 90 * sub->end_display_time;
1267 }
f15f02c2 1268 write_frame(s, &pkt, ost);
6291d7e4
AK
1269 }
1270}
1271
7636c8c6
AD
1272static int bit_buffer_size = 1024 * 256;
1273static uint8_t *bit_buffer = NULL;
6291d7e4 1274
ac646076 1275#if !CONFIG_AVFILTER
87ef060c
AC
1276static void do_video_resample(OutputStream *ost,
1277 InputStream *ist,
1278 AVFrame *in_picture,
1279 AVFrame **out_picture)
6291d7e4 1280{
87ef060c 1281 int resample_changed = 0;
87ef060c 1282 *out_picture = in_picture;
6291d7e4 1283
b2ce3b99
AK
1284 resample_changed = ost->resample_width != in_picture->width ||
1285 ost->resample_height != in_picture->height ||
1286 ost->resample_pix_fmt != in_picture->format;
6291d7e4
AK
1287
1288 if (resample_changed) {
1289 av_log(NULL, AV_LOG_INFO,
9a414d89 1290 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
6291d7e4
AK
1291 ist->file_index, ist->st->index,
1292 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
b2ce3b99 1293 in_picture->width, in_picture->height, av_get_pix_fmt_name(in_picture->format));
7636c8c6 1294 if (!ost->video_resample)
5c59fa56 1295 ost->video_resample = 1;
6291d7e4
AK
1296 }
1297
6291d7e4 1298 if (ost->video_resample) {
87ef060c 1299 *out_picture = &ost->pict_tmp;
6291d7e4
AK
1300 if (resample_changed) {
1301 /* initialize a new scaler context */
1302 sws_freeContext(ost->img_resample_ctx);
1303 ost->img_resample_ctx = sws_getContext(
1304 ist->st->codec->width,
1305 ist->st->codec->height,
1306 ist->st->codec->pix_fmt,
1307 ost->st->codec->width,
1308 ost->st->codec->height,
1309 ost->st->codec->pix_fmt,
1310 ost->sws_flags, NULL, NULL, NULL);
1311 if (ost->img_resample_ctx == NULL) {
e3245b26 1312 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
6291d7e4
AK
1313 exit_program(1);
1314 }
1315 }
87ef060c
AC
1316 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1317 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
6291d7e4 1318 }
428c59d9 1319 if (resample_changed) {
b2ce3b99
AK
1320 ost->resample_width = in_picture->width;
1321 ost->resample_height = in_picture->height;
1322 ost->resample_pix_fmt = in_picture->format;
428c59d9 1323 }
87ef060c 1324}
ac646076 1325#endif
87ef060c
AC
1326
1327
1328static void do_video_out(AVFormatContext *s,
1329 OutputStream *ost,
1330 InputStream *ist,
1331 AVFrame *in_picture,
1332 int *frame_size, float quality)
1333{
553735f5 1334 int nb_frames, i, ret, format_video_sync;
87ef060c 1335 AVFrame *final_picture;
f593628e 1336 AVCodecContext *enc;
87ef060c
AC
1337 double sync_ipts;
1338
1339 enc = ost->st->codec;
87ef060c
AC
1340
1341 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1342
1343 /* by default, we output a single frame */
1344 nb_frames = 1;
1345
1346 *frame_size = 0;
1347
553735f5 1348 format_video_sync = video_sync_method;
e8c04f62
AK
1349 if (format_video_sync == VSYNC_AUTO)
1350 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
1351 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
553735f5 1352
e8c04f62 1353 if (format_video_sync != VSYNC_PASSTHROUGH) {
87ef060c 1354 double vdelta = sync_ipts - ost->sync_opts;
7636c8c6 1355 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
87ef060c
AC
1356 if (vdelta < -1.1)
1357 nb_frames = 0;
e8c04f62 1358 else if (format_video_sync == VSYNC_VFR) {
7636c8c6
AD
1359 if (vdelta <= -0.6) {
1360 nb_frames = 0;
1361 } else if (vdelta > 0.6)
1362 ost->sync_opts = lrintf(sync_ipts);
1363 } else if (vdelta > 1.1)
87ef060c 1364 nb_frames = lrintf(vdelta);
7636c8c6 1365 if (nb_frames == 0) {
87ef060c 1366 ++nb_frames_drop;
e3245b26 1367 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
7636c8c6 1368 } else if (nb_frames > 1) {
87ef060c 1369 nb_frames_dup += nb_frames - 1;
7636c8c6 1370 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
87ef060c 1371 }
7636c8c6
AD
1372 } else
1373 ost->sync_opts = lrintf(sync_ipts);
87ef060c 1374
96139b5e 1375 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
87ef060c
AC
1376 if (nb_frames <= 0)
1377 return;
1378
ac646076 1379#if !CONFIG_AVFILTER
87ef060c 1380 do_video_resample(ost, ist, in_picture, &final_picture);
ac646076
AK
1381#else
1382 final_picture = in_picture;
1383#endif
6291d7e4
AK
1384
1385 /* duplicates frame if needed */
7636c8c6 1386 for (i = 0; i < nb_frames; i++) {
6291d7e4
AK
1387 AVPacket pkt;
1388 av_init_packet(&pkt);
6291d7e4 1389
150ddbc1
MR
1390 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1391 enc->codec->id == CODEC_ID_RAWVIDEO) {
6291d7e4 1392 /* raw pictures are written as AVPicture structure to
bb337b4f 1393 avoid any copies. We support temporarily the older
6291d7e4 1394 method. */
f593628e
AC
1395 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1396 enc->coded_frame->top_field_first = in_picture->top_field_first;
7636c8c6
AD
1397 pkt.data = (uint8_t *)final_picture;
1398 pkt.size = sizeof(AVPicture);
1399 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
6291d7e4
AK
1400 pkt.flags |= AV_PKT_FLAG_KEY;
1401
f15f02c2 1402 write_frame(s, &pkt, ost);
6291d7e4
AK
1403 } else {
1404 AVFrame big_picture;
1405
7636c8c6 1406 big_picture = *final_picture;
6291d7e4
AK
1407 /* better than nothing: use input picture interlaced
1408 settings */
1409 big_picture.interlaced_frame = in_picture->interlaced_frame;
1410 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
828e0bcb 1411 if (ost->top_field_first == -1)
6291d7e4
AK
1412 big_picture.top_field_first = in_picture->top_field_first;
1413 else
828e0bcb 1414 big_picture.top_field_first = !!ost->top_field_first;
6291d7e4
AK
1415 }
1416
f4ad238c 1417 /* handles same_quant here. This is not correct because it may
6291d7e4
AK
1418 not be a global option */
1419 big_picture.quality = quality;
d242d80e 1420 if (!enc->me_threshold)
6291d7e4 1421 big_picture.pict_type = 0;
7636c8c6 1422 big_picture.pts = ost->sync_opts;
6291d7e4
AK
1423 if (ost->forced_kf_index < ost->forced_kf_count &&
1424 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1425 big_picture.pict_type = AV_PICTURE_TYPE_I;
1426 ost->forced_kf_index++;
1427 }
1428 ret = avcodec_encode_video(enc,
1429 bit_buffer, bit_buffer_size,
1430 &big_picture);
1431 if (ret < 0) {
e3245b26 1432 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
6291d7e4
AK
1433 exit_program(1);
1434 }
1435
7636c8c6
AD
1436 if (ret > 0) {
1437 pkt.data = bit_buffer;
1438 pkt.size = ret;
1439 if (enc->coded_frame->pts != AV_NOPTS_VALUE)
1440 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
6291d7e4 1441
7636c8c6 1442 if (enc->coded_frame->key_frame)
6291d7e4 1443 pkt.flags |= AV_PKT_FLAG_KEY;
f15f02c2 1444 write_frame(s, &pkt, ost);
6291d7e4
AK
1445 *frame_size = ret;
1446 video_size += ret;
324fbadf 1447
6291d7e4
AK
1448 /* if two pass, output log */
1449 if (ost->logfile && enc->stats_out) {
1450 fprintf(ost->logfile, "%s", enc->stats_out);
1451 }
1452 }
1453 }
1454 ost->sync_opts++;
99932847
AK
1455 /*
1456 * For video, number of frames in == number of packets out.
1457 * But there may be reordering, so we can't throw away frames on encoder
1458 * flush, we need to limit them here, before they go into encoder.
1459 */
1460 ost->frame_number++;
6291d7e4
AK
1461 }
1462}
1463
7636c8c6
AD
1464static double psnr(double d)
1465{
1466 return -10.0 * log(d) / log(10.0);
6291d7e4
AK
1467}
1468
1469static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1470 int frame_size)
1471{
1472 AVCodecContext *enc;
1473 int frame_number;
1474 double ti1, bitrate, avg_bitrate;
1475
1476 /* this is executed just the first time do_video_stats is called */
1477 if (!vstats_file) {
1478 vstats_file = fopen(vstats_filename, "w");
1479 if (!vstats_file) {
1480 perror("fopen");
1481 exit_program(1);
1482 }
1483 }
1484
1485 enc = ost->st->codec;
1486 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1487 frame_number = ost->frame_number;
7636c8c6 1488 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
6291d7e4 1489 if (enc->flags&CODEC_FLAG_PSNR)
7636c8c6 1490 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
6291d7e4
AK
1491
1492 fprintf(vstats_file,"f_size= %6d ", frame_size);
1493 /* compute pts value */
1494 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1495 if (ti1 < 0.01)
1496 ti1 = 0.01;
1497
7636c8c6 1498 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
6291d7e4
AK
1499 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1500 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
7636c8c6 1501 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
6291d7e4
AK
1502 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1503 }
1504}
1505
af70aa45 1506static void print_report(OutputFile *output_files,
4288e031 1507 OutputStream *ost_table, int nb_ostreams,
c5ad2c2c 1508 int is_last_report, int64_t timer_start)
6291d7e4
AK
1509{
1510 char buf[1024];
1511 OutputStream *ost;
1512 AVFormatContext *oc;
1513 int64_t total_size;
1514 AVCodecContext *enc;
1515 int frame_number, vid, i;
1516 double bitrate, ti1, pts;
1517 static int64_t last_time = -1;
1518 static int qp_histogram[52];
1519
3460dd8a
AK
1520 if (!print_stats && !is_last_report)
1521 return;
1522
6291d7e4
AK
1523 if (!is_last_report) {
1524 int64_t cur_time;
1525 /* display the report every 0.5 seconds */
1526 cur_time = av_gettime();
1527 if (last_time == -1) {
1528 last_time = cur_time;
1529 return;
1530 }
1531 if ((cur_time - last_time) < 500000)
1532 return;
1533 last_time = cur_time;
1534 }
1535
1536
af70aa45 1537 oc = output_files[0].ctx;
6291d7e4
AK
1538
1539 total_size = avio_size(oc->pb);
7636c8c6
AD
1540 if (total_size < 0) // FIXME improve avio_size() so it works with non seekable output too
1541 total_size = avio_tell(oc->pb);
6291d7e4
AK
1542
1543 buf[0] = '\0';
1544 ti1 = 1e10;
1545 vid = 0;
7636c8c6 1546 for (i = 0; i < nb_ostreams; i++) {
6291d7e4 1547 float q = -1;
4288e031 1548 ost = &ost_table[i];
6291d7e4 1549 enc = ost->st->codec;
3d813e4c 1550 if (!ost->stream_copy && enc->coded_frame)
7636c8c6 1551 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
6291d7e4
AK
1552 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1553 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1554 }
1555 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
7636c8c6 1556 float t = (av_gettime() - timer_start) / 1000000.0;
6291d7e4
AK
1557
1558 frame_number = ost->frame_number;
1559 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
7636c8c6
AD
1560 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
1561 if (is_last_report)
6291d7e4 1562 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
7636c8c6 1563 if (qp_hist) {
6291d7e4
AK
1564 int j;
1565 int qp = lrintf(q);
7636c8c6 1566 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
6291d7e4 1567 qp_histogram[qp]++;
7636c8c6
AD
1568 for (j = 0; j < 32; j++)
1569 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
6291d7e4 1570 }
7636c8c6 1571 if (enc->flags&CODEC_FLAG_PSNR) {
6291d7e4 1572 int j;
7636c8c6
AD
1573 double error, error_sum = 0;
1574 double scale, scale_sum = 0;
1575 char type[3] = { 'Y','U','V' };
6291d7e4 1576 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
7636c8c6
AD
1577 for (j = 0; j < 3; j++) {
1578 if (is_last_report) {
1579 error = enc->error[j];
1580 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1581 } else {
1582 error = enc->coded_frame->error[j];
1583 scale = enc->width * enc->height * 255.0 * 255.0;
6291d7e4 1584 }
7636c8c6
AD
1585 if (j)
1586 scale /= 4;
6291d7e4
AK
1587 error_sum += error;
1588 scale_sum += scale;
7636c8c6 1589 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
6291d7e4 1590 }
7636c8c6 1591 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
6291d7e4
AK
1592 }
1593 vid = 1;
1594 }
1595 /* compute min output value */
1596 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1597 if ((pts < ti1) && (pts > 0))
1598 ti1 = pts;
1599 }
1600 if (ti1 < 0.01)
1601 ti1 = 0.01;
1602
e3245b26 1603 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
6291d7e4 1604
e3245b26 1605 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
6291d7e4
AK
1606 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1607 (double)total_size / 1024, ti1, bitrate);
1608
e3245b26
AK
1609 if (nb_frames_dup || nb_frames_drop)
1610 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1611 nb_frames_dup, nb_frames_drop);
6291d7e4 1612
f5646a32 1613 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
6291d7e4 1614
e3245b26 1615 fflush(stderr);
6291d7e4 1616
e3245b26 1617 if (is_last_report) {
6291d7e4 1618 int64_t raw= audio_size + video_size + extra_size;
e3245b26
AK
1619 av_log(NULL, AV_LOG_INFO, "\n");
1620 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
7636c8c6
AD
1621 video_size / 1024.0,
1622 audio_size / 1024.0,
1623 extra_size / 1024.0,
1624 100.0 * (total_size - raw) / raw
6291d7e4
AK
1625 );
1626 }
1627}
1628
b62b5cb6 1629static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
4a4ce2e7
AK
1630{
1631 int i, ret;
1632
1633 for (i = 0; i < nb_ostreams; i++) {
6f1c66d5
AK
1634 OutputStream *ost = &ost_table[i];
1635 AVCodecContext *enc = ost->st->codec;
1636 AVFormatContext *os = output_files[ost->file_index].ctx;
ee458cb1 1637 int stop_encoding = 0;
6f1c66d5 1638
b62b5cb6 1639 if (!ost->encoding_needed)
6f1c66d5
AK
1640 continue;
1641
7636c8c6 1642 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
6f1c66d5 1643 continue;
150ddbc1 1644 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
6f1c66d5
AK
1645 continue;
1646
7636c8c6 1647 for (;;) {
6f1c66d5
AK
1648 AVPacket pkt;
1649 int fifo_bytes;
1650 av_init_packet(&pkt);
ee458cb1
JR
1651 pkt.data = NULL;
1652 pkt.size = 0;
6f1c66d5
AK
1653
1654 switch (ost->st->codec->codec_type) {
1655 case AVMEDIA_TYPE_AUDIO:
1656 fifo_bytes = av_fifo_size(ost->fifo);
6f1c66d5 1657 if (fifo_bytes > 0) {
ee458cb1
JR
1658 /* encode any samples remaining in fifo */
1659 int frame_bytes = fifo_bytes;
6f1c66d5
AK
1660
1661 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
ee458cb1
JR
1662
1663 /* pad last frame with silence if needed */
1664 if (!(enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME)) {
1665 frame_bytes = enc->frame_size * enc->channels *
1666 av_get_bytes_per_sample(enc->sample_fmt);
6f1c66d5 1667 if (allocated_audio_buf_size < frame_bytes)
4a4ce2e7 1668 exit_program(1);
6f1c66d5 1669 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
4a4ce2e7 1670 }
ee458cb1
JR
1671 encode_audio_frame(os, ost, audio_buf, frame_bytes);
1672 } else {
1673 /* flush encoder with NULL frames until it is done
1674 returning packets */
1675 if (encode_audio_frame(os, ost, NULL, 0) == 0) {
1676 stop_encoding = 1;
1677 break;
1678 }
6f1c66d5 1679 }
6f1c66d5
AK
1680 break;
1681 case AVMEDIA_TYPE_VIDEO:
1682 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1683 if (ret < 0) {
e3245b26 1684 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
6f1c66d5
AK
1685 exit_program(1);
1686 }
1687 video_size += ret;
7636c8c6 1688 if (enc->coded_frame && enc->coded_frame->key_frame)
6f1c66d5
AK
1689 pkt.flags |= AV_PKT_FLAG_KEY;
1690 if (ost->logfile && enc->stats_out) {
1691 fprintf(ost->logfile, "%s", enc->stats_out);
1692 }
ee458cb1
JR
1693 if (ret <= 0) {
1694 stop_encoding = 1;
1695 break;
1696 }
ee458cb1
JR
1697 pkt.data = bit_buffer;
1698 pkt.size = ret;
1699 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1700 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1701 write_frame(os, &pkt, ost);
6f1c66d5
AK
1702 break;
1703 default:
ee458cb1 1704 stop_encoding = 1;
4a4ce2e7 1705 }
ee458cb1 1706 if (stop_encoding)
6f1c66d5 1707 break;
4a4ce2e7
AK
1708 }
1709 }
1710}
1711
7204ec1a
AK
1712/*
1713 * Check whether a packet from ist should be written into ost at this time
1714 */
1715static int check_output_constraints(InputStream *ist, OutputStream *ost)
1716{
1717 OutputFile *of = &output_files[ost->file_index];
1718 int ist_index = ist - input_streams;
1719
1720 if (ost->source_index != ist_index)
1721 return 0;
1722
1723 if (of->start_time && ist->pts < of->start_time)
1724 return 0;
1725
1726 if (of->recording_time != INT64_MAX &&
1727 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
7636c8c6 1728 (AVRational){ 1, 1000000 }) >= 0) {
7204ec1a
AK
1729 ost->is_past_recording_time = 1;
1730 return 0;
1731 }
1732
1733 return 1;
1734}
1735
1736static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1737{
1738 OutputFile *of = &output_files[ost->file_index];
1739 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1740 AVPacket opkt;
1741
1742 av_init_packet(&opkt);
1743
1744 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1745 !ost->copy_initial_nonkeyframes)
1746 return;
1747
1748 /* force the input stream PTS */
1749 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1750 audio_size += pkt->size;
1751 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1752 video_size += pkt->size;
1753 ost->sync_opts++;
1754 }
1755
7204ec1a
AK
1756 if (pkt->pts != AV_NOPTS_VALUE)
1757 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1758 else
1759 opkt.pts = AV_NOPTS_VALUE;
1760
1761 if (pkt->dts == AV_NOPTS_VALUE)
1762 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1763 else
1764 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1765 opkt.dts -= ost_tb_start_time;
1766
1767 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1768 opkt.flags = pkt->flags;
1769
7636c8c6
AD
1770 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1771 if ( ost->st->codec->codec_id != CODEC_ID_H264
7204ec1a
AK
1772 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1773 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1774 ) {
1775 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1776 opkt.destruct = av_destruct_packet;
1777 } else {
1778 opkt.data = pkt->data;
1779 opkt.size = pkt->size;
1780 }
1781
f15f02c2 1782 write_frame(of->ctx, &opkt, ost);
7204ec1a 1783 ost->st->codec->frame_number++;
7204ec1a
AK
1784 av_free_packet(&opkt);
1785}
1786
2a651b71
AK
1787static void rate_emu_sleep(InputStream *ist)
1788{
1789 if (input_files[ist->file_index].rate_emu) {
1790 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1791 int64_t now = av_gettime() - ist->start;
1792 if (pts > now)
1793 usleep(pts - now);
1794 }
1795}
1796
ded28ba3
AK
1797static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1798{
d1241ff3
JR
1799 AVFrame *decoded_frame;
1800 AVCodecContext *avctx = ist->st->codec;
ded28ba3 1801 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
ded28ba3
AK
1802 int i, ret;
1803
9179f27c 1804 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
d1241ff3 1805 return AVERROR(ENOMEM);
9179f27c
JR
1806 else
1807 avcodec_get_frame_defaults(ist->decoded_frame);
1808 decoded_frame = ist->decoded_frame;
ded28ba3 1809
d1241ff3
JR
1810 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1811 if (ret < 0) {
ded28ba3 1812 return ret;
d1241ff3 1813 }
ded28ba3 1814
ded28ba3
AK
1815 if (!*got_output) {
1816 /* no audio frame */
af8ad892 1817 return ret;
ded28ba3
AK
1818 }
1819
d1241ff3
JR
1820 /* if the decoder provides a pts, use it instead of the last packet pts.
1821 the decoder could be delaying output by a packet or more. */
1822 if (decoded_frame->pts != AV_NOPTS_VALUE)
1823 ist->next_pts = decoded_frame->pts;
1824
1825 /* increment next_pts to use for the case where the input stream does not
1826 have timestamps or there are multiple frames in the packet */
1827 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1828 avctx->sample_rate;
ded28ba3
AK
1829
1830 // preprocess audio (volume)
1831 if (audio_volume != 256) {
d1241ff3
JR
1832 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
1833 void *samples = decoded_frame->data[0];
1834 switch (avctx->sample_fmt) {
ded28ba3
AK
1835 case AV_SAMPLE_FMT_U8:
1836 {
1837 uint8_t *volp = samples;
1838 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1839 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1840 *volp++ = av_clip_uint8(v);
1841 }
1842 break;
1843 }
1844 case AV_SAMPLE_FMT_S16:
1845 {
1846 int16_t *volp = samples;
1847 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1848 int v = ((*volp) * audio_volume + 128) >> 8;
1849 *volp++ = av_clip_int16(v);
1850 }
1851 break;
1852 }
1853 case AV_SAMPLE_FMT_S32:
1854 {
1855 int32_t *volp = samples;
1856 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1857 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1858 *volp++ = av_clipl_int32(v);
1859 }
1860 break;
1861 }
1862 case AV_SAMPLE_FMT_FLT:
1863 {
1864 float *volp = samples;
1865 float scale = audio_volume / 256.f;
1866 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1867 *volp++ *= scale;
1868 }
1869 break;
1870 }
1871 case AV_SAMPLE_FMT_DBL:
1872 {
1873 double *volp = samples;
1874 double scale = audio_volume / 256.;
1875 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1876 *volp++ *= scale;
1877 }
1878 break;
1879 }
1880 default:
1881 av_log(NULL, AV_LOG_FATAL,
1882 "Audio volume adjustment on sample format %s is not supported.\n",
1883 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1884 exit_program(1);
1885 }
1886 }
1887
1888 rate_emu_sleep(ist);
1889
1890 for (i = 0; i < nb_output_streams; i++) {
1891 OutputStream *ost = &output_streams[i];
1892
1893 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1894 continue;
d1241ff3 1895 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
ded28ba3 1896 }
110d2af2 1897
af8ad892 1898 return ret;
ded28ba3
AK
1899}
1900
45d4b66f
AK
1901static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
1902{
1903 AVFrame *decoded_frame, *filtered_frame = NULL;
1904 void *buffer_to_free = NULL;
1905 int i, ret = 0;
1906 float quality;
1907#if CONFIG_AVFILTER
1908 int frame_available = 1;
1909#endif
1910
9179f27c 1911 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
45d4b66f 1912 return AVERROR(ENOMEM);
9179f27c
JR
1913 else
1914 avcodec_get_frame_defaults(ist->decoded_frame);
1915 decoded_frame = ist->decoded_frame;
45d4b66f
AK
1916 pkt->pts = *pkt_pts;
1917 pkt->dts = ist->pts;
1918 *pkt_pts = AV_NOPTS_VALUE;
1919
1920 ret = avcodec_decode_video2(ist->st->codec,
1921 decoded_frame, got_output, pkt);
1922 if (ret < 0)
9179f27c 1923 return ret;
45d4b66f
AK
1924
1925 quality = same_quant ? decoded_frame->quality : 0;
1926 if (!*got_output) {
1927 /* no picture yet */
af8ad892 1928 return ret;
45d4b66f
AK
1929 }
1930 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1931 decoded_frame->pkt_dts);
741a05a2
AK
1932 if (pkt->duration)
1933 ist->next_pts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
1934 else if (ist->st->codec->time_base.num != 0) {
45d4b66f
AK
1935 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
1936 ist->st->codec->ticks_per_frame;
1937 ist->next_pts += ((int64_t)AV_TIME_BASE *
1938 ist->st->codec->time_base.num * ticks) /
1939 ist->st->codec->time_base.den;
1940 }
1941 pkt->size = 0;
1942 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1943
1944 rate_emu_sleep(ist);
1945
1946 for (i = 0; i < nb_output_streams; i++) {
1947 OutputStream *ost = &output_streams[i];
ac646076 1948 int frame_size, resample_changed;
45d4b66f
AK
1949
1950 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1951 continue;
1952
1953#if CONFIG_AVFILTER
ac646076
AK
1954 resample_changed = ost->resample_width != decoded_frame->width ||
1955 ost->resample_height != decoded_frame->height ||
1956 ost->resample_pix_fmt != decoded_frame->format;
1957 if (resample_changed) {
1958 av_log(NULL, AV_LOG_INFO,
1959 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1960 ist->file_index, ist->st->index,
1961 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1962 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1963
1964 avfilter_graph_free(&ost->graph);
1965 if (configure_video_filters(ist, ost)) {
1966 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1967 exit_program(1);
1968 }
1969
1970 ost->resample_width = decoded_frame->width;
1971 ost->resample_height = decoded_frame->height;
1972 ost->resample_pix_fmt = decoded_frame->format;
1973 }
1974
04a14d4d
AK
1975 if (ist->st->sample_aspect_ratio.num)
1976 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1977 if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) {
1978 FrameBuffer *buf = decoded_frame->opaque;
1979 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
1980 decoded_frame->data, decoded_frame->linesize,
1981 AV_PERM_READ | AV_PERM_PRESERVE,
1982 ist->st->codec->width, ist->st->codec->height,
1983 ist->st->codec->pix_fmt);
1984
1985 avfilter_copy_frame_props(fb, decoded_frame);
1986 fb->pts = ist->pts;
1987 fb->buf->priv = buf;
1988 fb->buf->free = filter_release_buffer;
1989
1990 buf->refcount++;
1991 av_buffersrc_buffer(ost->input_video_filter, fb);
1992 } else
1993 av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame,
1994 ist->pts, decoded_frame->sample_aspect_ratio);
1995
1996 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
1997 av_free(buffer_to_free);
1998 return AVERROR(ENOMEM);
1999 } else
2000 avcodec_get_frame_defaults(ist->filtered_frame);
2001 filtered_frame = ist->filtered_frame;
2002
2003 frame_available = avfilter_poll_frame(ost->output_video_filter->inputs[0]);
45d4b66f
AK
2004 while (frame_available) {
2005 AVRational ist_pts_tb;
2006 if (ost->output_video_filter)
2007 get_filtered_video_frame(ost->output_video_filter, filtered_frame, &ost->picref, &ist_pts_tb);
2008 if (ost->picref)
2009 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
2010 if (ost->picref->video && !ost->frame_aspect_ratio)
2011 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
2012#else
2013 filtered_frame = decoded_frame;
2014#endif
2015
2016 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame, &frame_size,
2017 same_quant ? quality : ost->st->codec->global_quality);
2018 if (vstats_filename && frame_size)
2019 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
2020#if CONFIG_AVFILTER
2021 frame_available = ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
2022 if (ost->picref)
2023 avfilter_unref_buffer(ost->picref);
2024 }
45d4b66f
AK
2025#endif
2026 }
2027
45d4b66f 2028 av_free(buffer_to_free);
45d4b66f
AK
2029 return ret;
2030}
2031
9595234c
AK
2032static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2033{
2034 AVSubtitle subtitle;
2035 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2036 &subtitle, got_output, pkt);
2037 if (ret < 0)
2038 return ret;
2039 if (!*got_output)
af8ad892 2040 return ret;
9595234c
AK
2041
2042 rate_emu_sleep(ist);
2043
2044 for (i = 0; i < nb_output_streams; i++) {
2045 OutputStream *ost = &output_streams[i];
2046
2047 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2048 continue;
2049
2050 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
2051 }
2052
2053 avsubtitle_free(&subtitle);
af8ad892 2054 return ret;
9595234c
AK
2055}
2056
6291d7e4 2057/* pkt = NULL means EOF (needed to flush decoder buffers) */
06d4e2fa 2058static int output_packet(InputStream *ist,
4288e031 2059 OutputStream *ost_table, int nb_ostreams,
6291d7e4
AK
2060 const AVPacket *pkt)
2061{
ffa0674e 2062 int i;
6291d7e4 2063 int got_output;
6291d7e4 2064 int64_t pkt_pts = AV_NOPTS_VALUE;
6291d7e4 2065 AVPacket avpkt;
6291d7e4 2066
8b0268a8
AK
2067 if (ist->next_pts == AV_NOPTS_VALUE)
2068 ist->next_pts = ist->pts;
6291d7e4
AK
2069
2070 if (pkt == NULL) {
2071 /* EOF handling */
2072 av_init_packet(&avpkt);
2073 avpkt.data = NULL;
2074 avpkt.size = 0;
2075 goto handle_eof;
2076 } else {
2077 avpkt = *pkt;
2078 }
2079
7636c8c6 2080 if (pkt->dts != AV_NOPTS_VALUE)
6291d7e4 2081 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
7636c8c6 2082 if (pkt->pts != AV_NOPTS_VALUE)
6291d7e4
AK
2083 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2084
7636c8c6 2085 // while we have more to decode or while the decoder did output something on EOF
2a651b71 2086 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
ffa0674e 2087 int ret = 0;
6291d7e4 2088 handle_eof:
6291d7e4 2089
8b0268a8
AK
2090 ist->pts = ist->next_pts;
2091
2092 if (avpkt.size && avpkt.size != pkt->size) {
e3245b26
AK
2093 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2094 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
8b0268a8
AK
2095 ist->showed_multi_packet_warning = 1;
2096 }
6291d7e4 2097
7636c8c6 2098 switch (ist->st->codec->codec_type) {
82963f8f
AK
2099 case AVMEDIA_TYPE_AUDIO:
2100 ret = transcode_audio (ist, &avpkt, &got_output);
2101 break;
2102 case AVMEDIA_TYPE_VIDEO:
2103 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
2104 break;
2105 case AVMEDIA_TYPE_SUBTITLE:
2106 ret = transcode_subtitles(ist, &avpkt, &got_output);
2107 break;
78162b4e
AK
2108 default:
2109 return -1;
2110 }
6291d7e4 2111
d3c1d37a
AK
2112 if (ret < 0)
2113 return ret;
aa38cff2
JG
2114 // touch data and size only if not EOF
2115 if (pkt) {
2116 avpkt.data += ret;
2117 avpkt.size -= ret;
2118 }
82963f8f 2119 if (!got_output) {
af8ad892 2120 continue;
82963f8f 2121 }
6291d7e4 2122 }
6291d7e4 2123
7204ec1a 2124 /* handle stream copy */
2a651b71
AK
2125 if (!ist->decoding_needed) {
2126 rate_emu_sleep(ist);
91b412e7 2127 ist->pts = ist->next_pts;
2a651b71
AK
2128 switch (ist->st->codec->codec_type) {
2129 case AVMEDIA_TYPE_AUDIO:
2130 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2131 ist->st->codec->sample_rate;
2132 break;
2133 case AVMEDIA_TYPE_VIDEO:
2134 if (ist->st->codec->time_base.num != 0) {
7636c8c6 2135 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2a651b71
AK
2136 ist->next_pts += ((int64_t)AV_TIME_BASE *
2137 ist->st->codec->time_base.num * ticks) /
2138 ist->st->codec->time_base.den;
2139 }
2140 break;
2141 }
2142 }
7204ec1a 2143 for (i = 0; pkt && i < nb_ostreams; i++) {
ffa0674e 2144 OutputStream *ost = &ost_table[i];
7204ec1a
AK
2145
2146 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2147 continue;
2148
2149 do_streamcopy(ist, ost, pkt);
2150 }
2151
6291d7e4
AK
2152 return 0;
2153}
2154
af70aa45 2155static void print_sdp(OutputFile *output_files, int n)
6291d7e4
AK
2156{
2157 char sdp[2048];
af70aa45 2158 int i;
7636c8c6 2159 AVFormatContext **avc = av_malloc(sizeof(*avc) * n);
af70aa45
AK
2160
2161 if (!avc)
2162 exit_program(1);
2163 for (i = 0; i < n; i++)
2164 avc[i] = output_files[i].ctx;
6291d7e4
AK
2165
2166 av_sdp_create(avc, n, sdp, sizeof(sdp));
2167 printf("SDP:\n%s\n", sdp);
2168 fflush(stdout);
af70aa45 2169 av_freep(&avc);
6291d7e4
AK
2170}
2171
630902a1
AK
2172static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2173 char *error, int error_len)
2174{
2175 int i;
2176 InputStream *ist = &input_streams[ist_index];
2177 if (ist->decoding_needed) {
2178 AVCodec *codec = ist->dec;
630902a1 2179 if (!codec) {
9a414d89 2180 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
630902a1
AK
2181 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2182 return AVERROR(EINVAL);
2183 }
2184
2185 /* update requested sample format for the decoder based on the
2186 corresponding encoder sample format */
2187 for (i = 0; i < nb_output_streams; i++) {
2188 OutputStream *ost = &output_streams[i];
2189 if (ost->source_index == ist_index) {
2190 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2191 break;
2192 }
2193 }
2194
64dca32c
AK
2195 if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
2196 ist->st->codec->get_buffer = codec_get_buffer;
2197 ist->st->codec->release_buffer = codec_release_buffer;
2198 ist->st->codec->opaque = ist;
2199 }
2200
2473a45c
JG
2201 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2202 av_dict_set(&ist->opts, "threads", "auto", 0);
630902a1 2203 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
9a414d89 2204 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
630902a1
AK
2205 ist->file_index, ist->st->index);
2206 return AVERROR(EINVAL);
2207 }
2208 assert_codec_experimental(ist->st->codec, 0);
2209 assert_avoptions(ist->opts);
2210 }
2211
7636c8c6 2212 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
2213 ist->next_pts = AV_NOPTS_VALUE;
2214 init_pts_correction(&ist->pts_ctx);
2215 ist->is_start = 1;
2216
2217 return 0;
2218}
2219
eaf2d37a
AC
2220static int transcode_init(OutputFile *output_files,
2221 int nb_output_files,
2222 InputFile *input_files,
2223 int nb_input_files)
6291d7e4 2224{
2c474ddb 2225 int ret = 0, i, j, k;
1bb77e51 2226 AVFormatContext *oc;
6291d7e4 2227 AVCodecContext *codec, *icodec;
4288e031 2228 OutputStream *ost;
6291d7e4
AK
2229 InputStream *ist;
2230 char error[1024];
2231 int want_sdp = 1;
b0c9e8e0 2232
f4805328
AK
2233 /* init framerate emulation */
2234 for (i = 0; i < nb_input_files; i++) {
2235 InputFile *ifile = &input_files[i];
2236 if (ifile->rate_emu)
2237 for (j = 0; j < ifile->nb_streams; j++)
2238 input_streams[j + ifile->ist_index].start = av_gettime();
2239 }
6291d7e4
AK
2240
2241 /* output stream init */
03f30c83 2242 for (i = 0; i < nb_output_files; i++) {
1bb77e51
AK
2243 oc = output_files[i].ctx;
2244 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2245 av_dump_format(oc, i, oc->filename, 1);
e3245b26 2246 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
eaf2d37a 2247 return AVERROR(EINVAL);
6291d7e4 2248 }
6291d7e4
AK
2249 }
2250
2251 /* for each output stream, we compute the right encoding parameters */
4288e031
AK
2252 for (i = 0; i < nb_output_streams; i++) {
2253 ost = &output_streams[i];
03f30c83 2254 oc = output_files[ost->file_index].ctx;
6291d7e4
AK
2255 ist = &input_streams[ost->source_index];
2256
4dbc6cee
AK
2257 if (ost->attachment_filename)
2258 continue;
2259
03f30c83 2260 codec = ost->st->codec;
6291d7e4
AK
2261 icodec = ist->st->codec;
2262
03f30c83
AK
2263 ost->st->disposition = ist->st->disposition;
2264 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
6291d7e4
AK
2265 codec->chroma_sample_location = icodec->chroma_sample_location;
2266
3d813e4c 2267 if (ost->stream_copy) {
6291d7e4
AK
2268 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2269
e6d2b737 2270 if (extra_size > INT_MAX) {
eaf2d37a 2271 return AVERROR(EINVAL);
e6d2b737 2272 }
6291d7e4
AK
2273
2274 /* if stream_copy is selected, no need to decode or encode */
03f30c83 2275 codec->codec_id = icodec->codec_id;
6291d7e4
AK
2276 codec->codec_type = icodec->codec_type;
2277
03f30c83
AK
2278 if (!codec->codec_tag) {
2279 if (!oc->oformat->codec_tag ||
2280 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2281 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
6291d7e4
AK
2282 codec->codec_tag = icodec->codec_tag;
2283 }
2284
03f30c83 2285 codec->bit_rate = icodec->bit_rate;
6291d7e4
AK
2286 codec->rc_max_rate = icodec->rc_max_rate;
2287 codec->rc_buffer_size = icodec->rc_buffer_size;
4bf3c8f2 2288 codec->field_order = icodec->field_order;
03f30c83 2289 codec->extradata = av_mallocz(extra_size);
e6d2b737 2290 if (!codec->extradata) {
eaf2d37a 2291 return AVERROR(ENOMEM);
e6d2b737 2292 }
6291d7e4 2293 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
03f30c83 2294 codec->extradata_size = icodec->extradata_size;
7bb3e625 2295 if (!copy_tb) {
03f30c83 2296 codec->time_base = icodec->time_base;
6291d7e4
AK
2297 codec->time_base.num *= icodec->ticks_per_frame;
2298 av_reduce(&codec->time_base.num, &codec->time_base.den,
2299 codec->time_base.num, codec->time_base.den, INT_MAX);
03f30c83 2300 } else
6291d7e4 2301 codec->time_base = ist->st->time_base;
03f30c83 2302
7636c8c6 2303 switch (codec->codec_type) {
6291d7e4 2304 case AVMEDIA_TYPE_AUDIO:
7636c8c6 2305 if (audio_volume != 256) {
e3245b26 2306 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
6291d7e4
AK
2307 exit_program(1);
2308 }
03f30c83
AK
2309 codec->channel_layout = icodec->channel_layout;
2310 codec->sample_rate = icodec->sample_rate;
2311 codec->channels = icodec->channels;
2312 codec->frame_size = icodec->frame_size;
6291d7e4 2313 codec->audio_service_type = icodec->audio_service_type;
03f30c83 2314 codec->block_align = icodec->block_align;
6291d7e4
AK
2315 break;
2316 case AVMEDIA_TYPE_VIDEO:
03f30c83
AK
2317 codec->pix_fmt = icodec->pix_fmt;
2318 codec->width = icodec->width;
2319 codec->height = icodec->height;
2320 codec->has_b_frames = icodec->has_b_frames;
6291d7e4 2321 if (!codec->sample_aspect_ratio.num) {
03f30c83 2322 codec->sample_aspect_ratio =
6291d7e4
AK
2323 ost->st->sample_aspect_ratio =
2324 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2325 ist->st->codec->sample_aspect_ratio.num ?
2326 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2327 }
2328 break;
2329 case AVMEDIA_TYPE_SUBTITLE:
03f30c83 2330 codec->width = icodec->width;
6291d7e4
AK
2331 codec->height = icodec->height;
2332 break;
2333 case AVMEDIA_TYPE_DATA:
3ccd1580 2334 case AVMEDIA_TYPE_ATTACHMENT:
6291d7e4
AK
2335 break;
2336 default:
2337 abort();
2338 }
2339 } else {
2340 if (!ost->enc)
2341 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
03f30c83 2342
11fdb7e1
AK
2343 ist->decoding_needed = 1;
2344 ost->encoding_needed = 1;
03f30c83 2345
7636c8c6 2346 switch (codec->codec_type) {
6291d7e4 2347 case AVMEDIA_TYPE_AUDIO:
03f30c83 2348 ost->fifo = av_fifo_alloc(1024);
e6d2b737 2349 if (!ost->fifo) {
eaf2d37a 2350 return AVERROR(ENOMEM);
e6d2b737 2351 }
6291d7e4 2352 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
03f30c83 2353
d0a19696 2354 if (!codec->sample_rate)
6291d7e4 2355 codec->sample_rate = icodec->sample_rate;
6291d7e4 2356 choose_sample_rate(ost->st, ost->enc);
7636c8c6 2357 codec->time_base = (AVRational){ 1, codec->sample_rate };
03f30c83 2358
6291d7e4
AK
2359 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2360 codec->sample_fmt = icodec->sample_fmt;
2361 choose_sample_fmt(ost->st, ost->enc);
03f30c83 2362
6291d7e4
AK
2363 if (!codec->channels)
2364 codec->channels = icodec->channels;
2365 codec->channel_layout = icodec->channel_layout;
2366 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2367 codec->channel_layout = 0;
03f30c83
AK
2368
2369 ost->audio_resample = codec-> sample_rate != icodec->sample_rate || audio_sync_method > 1;
2370 icodec->request_channels = codec-> channels;
6291d7e4
AK
2371 ost->resample_sample_fmt = icodec->sample_fmt;
2372 ost->resample_sample_rate = icodec->sample_rate;
2373 ost->resample_channels = icodec->channels;
2374 break;
2375 case AVMEDIA_TYPE_VIDEO:
2376 if (codec->pix_fmt == PIX_FMT_NONE)
2377 codec->pix_fmt = icodec->pix_fmt;
2378 choose_pixel_fmt(ost->st, ost->enc);
2379
2380 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
e3245b26 2381 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
6291d7e4
AK
2382 exit_program(1);
2383 }
2384
2385 if (!codec->width || !codec->height) {
2386 codec->width = icodec->width;
2387 codec->height = icodec->height;
2388 }
2389
2390 ost->video_resample = codec->width != icodec->width ||
2391 codec->height != icodec->height ||
2392 codec->pix_fmt != icodec->pix_fmt;
2393 if (ost->video_resample) {
2394#if !CONFIG_AVFILTER
2395 avcodec_get_frame_defaults(&ost->pict_tmp);
7636c8c6 2396 if (avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
6291d7e4 2397 codec->width, codec->height)) {
e3245b26 2398 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
6291d7e4
AK
2399 exit_program(1);
2400 }
2401 ost->img_resample_ctx = sws_getContext(
2402 icodec->width,
2403 icodec->height,
2404 icodec->pix_fmt,
2405 codec->width,
2406 codec->height,
2407 codec->pix_fmt,
2408 ost->sws_flags, NULL, NULL, NULL);
2409 if (ost->img_resample_ctx == NULL) {
e3245b26 2410 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
6291d7e4
AK
2411 exit_program(1);
2412 }
2413#endif
7636c8c6 2414 codec->bits_per_raw_sample = 0;
6291d7e4
AK
2415 }
2416
03f30c83
AK
2417 ost->resample_height = icodec->height;
2418 ost->resample_width = icodec->width;
2419 ost->resample_pix_fmt = icodec->pix_fmt;
6291d7e4
AK
2420
2421 if (!ost->frame_rate.num)
7636c8c6 2422 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational) { 25, 1 };
bef737a7 2423 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
6291d7e4
AK
2424 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2425 ost->frame_rate = ost->enc->supported_framerates[idx];
2426 }
2427 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2428
2429#if CONFIG_AVFILTER
2430 if (configure_video_filters(ist, ost)) {
e3245b26 2431 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
6291d7e4
AK
2432 exit(1);
2433 }
2434#endif
2435 break;
2436 case AVMEDIA_TYPE_SUBTITLE:
c9af8326 2437 codec->time_base = (AVRational){1, 1000};
6291d7e4
AK
2438 break;
2439 default:
2440 abort();
2441 break;
2442 }
2443 /* two pass mode */
515901fa 2444 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
6291d7e4
AK
2445 char logfilename[1024];
2446 FILE *f;
2447
2448 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2449 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2450 i);
2451 if (codec->flags & CODEC_FLAG_PASS1) {
2452 f = fopen(logfilename, "wb");
2453 if (!f) {
e3245b26
AK
2454 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2455 logfilename, strerror(errno));
6291d7e4
AK
2456 exit_program(1);
2457 }
2458 ost->logfile = f;
2459 } else {
2460 char *logbuffer;
2461 size_t logbuffer_size;
02170990 2462 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
e3245b26
AK
2463 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2464 logfilename);
6291d7e4
AK
2465 exit_program(1);
2466 }
2467 codec->stats_in = logbuffer;
2468 }
2469 }
2470 }
7636c8c6 2471 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
03f30c83 2472 int size = codec->width * codec->height;
7636c8c6 2473 bit_buffer_size = FFMAX(bit_buffer_size, 6 * size + 200);
6291d7e4
AK
2474 }
2475 }
2476
2477 if (!bit_buffer)
2478 bit_buffer = av_malloc(bit_buffer_size);
2479 if (!bit_buffer) {
e3245b26
AK
2480 av_log(NULL, AV_LOG_ERROR, "Cannot allocate %d bytes output buffer\n",
2481 bit_buffer_size);
eaf2d37a 2482 return AVERROR(ENOMEM);
6291d7e4
AK
2483 }
2484
2485 /* open each encoder */
4288e031
AK
2486 for (i = 0; i < nb_output_streams; i++) {
2487 ost = &output_streams[i];
6291d7e4 2488 if (ost->encoding_needed) {
03f30c83 2489 AVCodec *codec = ost->enc;
6291d7e4
AK
2490 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2491 if (!codec) {
9a414d89 2492 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d:%d",
6291d7e4
AK
2493 ost->st->codec->codec_id, ost->file_index, ost->index);
2494 ret = AVERROR(EINVAL);
2495 goto dump_format;
2496 }
2497 if (dec->subtitle_header) {
2498 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2499 if (!ost->st->codec->subtitle_header) {
2500 ret = AVERROR(ENOMEM);
2501 goto dump_format;
2502 }
2503 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2504 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2505 }
2473a45c
JG
2506 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2507 av_dict_set(&ost->opts, "threads", "auto", 0);
6291d7e4 2508 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
9a414d89 2509 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
2510 ost->file_index, ost->index);
2511 ret = AVERROR(EINVAL);
2512 goto dump_format;
2513 }
2514 assert_codec_experimental(ost->st->codec, 1);
2515 assert_avoptions(ost->opts);
2516 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2517 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2518 "It takes bits/s as argument, not kbits/s\n");
2519 extra_size += ost->st->codec->extradata_size;
d242d80e
AK
2520
2521 if (ost->st->codec->me_threshold)
2522 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
6291d7e4
AK
2523 }
2524 }
2525
630902a1
AK
2526 /* init input streams */
2527 for (i = 0; i < nb_input_streams; i++)
62486948 2528 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
630902a1 2529 goto dump_format;
6291d7e4 2530
2c474ddb
AK
2531 /* discard unused programs */
2532 for (i = 0; i < nb_input_files; i++) {
2533 InputFile *ifile = &input_files[i];
2534 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2535 AVProgram *p = ifile->ctx->programs[j];
2536 int discard = AVDISCARD_ALL;
2537
2538 for (k = 0; k < p->nb_stream_indexes; k++)
2539 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2540 discard = AVDISCARD_DEFAULT;
2541 break;
2542 }
2543 p->discard = discard;
2544 }
2545 }
2546
6291d7e4 2547 /* open files and write file headers */
af70aa45 2548 for (i = 0; i < nb_output_files; i++) {
1bb77e51
AK
2549 oc = output_files[i].ctx;
2550 oc->interrupt_callback = int_cb;
2551 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
6291d7e4
AK
2552 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2553 ret = AVERROR(EINVAL);
2554 goto dump_format;
2555 }
af70aa45 2556 assert_avoptions(output_files[i].opts);
1bb77e51 2557 if (strcmp(oc->oformat->name, "rtp")) {
6291d7e4
AK
2558 want_sdp = 0;
2559 }
2560 }
2561
2562 dump_format:
2563 /* dump the file output parameters - cannot be done before in case
2564 of stream copy */
03f30c83 2565 for (i = 0; i < nb_output_files; i++) {
af70aa45 2566 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
6291d7e4
AK
2567 }
2568
2569 /* dump the stream mapping */
e3245b26
AK
2570 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2571 for (i = 0; i < nb_output_streams; i++) {
2572 ost = &output_streams[i];
4dbc6cee
AK
2573
2574 if (ost->attachment_filename) {
2575 /* an attached file */
2576 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2577 ost->attachment_filename, ost->file_index, ost->index);
2578 continue;
2579 }
9a414d89 2580 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
e3245b26
AK
2581 input_streams[ost->source_index].file_index,
2582 input_streams[ost->source_index].st->index,
2583 ost->file_index,
2584 ost->index);
2585 if (ost->sync_ist != &input_streams[ost->source_index])
9a414d89 2586 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
e3245b26
AK
2587 ost->sync_ist->file_index,
2588 ost->sync_ist->st->index);
3d813e4c 2589 if (ost->stream_copy)
e3245b26
AK
2590 av_log(NULL, AV_LOG_INFO, " (copy)");
2591 else
2592 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2593 input_streams[ost->source_index].dec->name : "?",
2594 ost->enc ? ost->enc->name : "?");
2595 av_log(NULL, AV_LOG_INFO, "\n");
6291d7e4
AK
2596 }
2597
2598 if (ret) {
e3245b26 2599 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
eaf2d37a 2600 return ret;
6291d7e4
AK
2601 }
2602
2603 if (want_sdp) {
2604 print_sdp(output_files, nb_output_files);
2605 }
2606
eaf2d37a
AC
2607 return 0;
2608}
2609
2610/*
2611 * The following code is the main loop of the file converter
2612 */
2613static int transcode(OutputFile *output_files,
2614 int nb_output_files,
2615 InputFile *input_files,
2616 int nb_input_files)
2617{
2618 int ret, i;
2619 AVFormatContext *is, *os;
2620 OutputStream *ost;
2621 InputStream *ist;
2622 uint8_t *no_packet;
7636c8c6 2623 int no_packet_count = 0;
eaf2d37a
AC
2624 int64_t timer_start;
2625
2626 if (!(no_packet = av_mallocz(nb_input_files)))
2627 exit_program(1);
2628
2629 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2630 if (ret < 0)
2631 goto fail;
2632
e3245b26 2633 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
6291d7e4
AK
2634 term_init();
2635
2636 timer_start = av_gettime();
2637
7636c8c6 2638 for (; received_sigterm == 0;) {
6291d7e4
AK
2639 int file_index, ist_index;
2640 AVPacket pkt;
9be3c124 2641 int64_t ipts_min;
6291d7e4
AK
2642 double opts_min;
2643
9be3c124 2644 ipts_min = INT64_MAX;
7636c8c6 2645 opts_min = 1e100;
6291d7e4
AK
2646
2647 /* select the stream that we must read now by looking at the
2648 smallest output pts */
2649 file_index = -1;
4288e031 2650 for (i = 0; i < nb_output_streams; i++) {
f21f294e 2651 OutputFile *of;
9be3c124
AC
2652 int64_t ipts;
2653 double opts;
4288e031 2654 ost = &output_streams[i];
f21f294e 2655 of = &output_files[ost->file_index];
af70aa45 2656 os = output_files[ost->file_index].ctx;
6291d7e4 2657 ist = &input_streams[ost->source_index];
f21f294e
AK
2658 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2659 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
6291d7e4 2660 continue;
c0931508 2661 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
9be3c124 2662 ipts = ist->pts;
7636c8c6
AD
2663 if (!input_files[ist->file_index].eof_reached) {
2664 if (ipts < ipts_min) {
6291d7e4 2665 ipts_min = ipts;
7636c8c6
AD
2666 if (input_sync)
2667 file_index = ist->file_index;
6291d7e4 2668 }
7636c8c6 2669 if (opts < opts_min) {
6291d7e4 2670 opts_min = opts;
7636c8c6 2671 if (!input_sync) file_index = ist->file_index;
6291d7e4
AK
2672 }
2673 }
96139b5e
AK
2674 if (ost->frame_number >= ost->max_frames) {
2675 int j;
9b921a82
AK
2676 for (j = 0; j < of->ctx->nb_streams; j++)
2677 output_streams[of->ost_index + j].is_past_recording_time = 1;
96139b5e 2678 continue;
6291d7e4
AK
2679 }
2680 }
2681 /* if none, if is finished */
2682 if (file_index < 0) {
7636c8c6
AD
2683 if (no_packet_count) {
2684 no_packet_count = 0;
b0c9e8e0 2685 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
2686 usleep(10000);
2687 continue;
2688 }
2689 break;
2690 }
2691
6291d7e4 2692 /* read a frame from it and output it in the fifo */
7636c8c6
AD
2693 is = input_files[file_index].ctx;
2694 ret = av_read_frame(is, &pkt);
2695 if (ret == AVERROR(EAGAIN)) {
2696 no_packet[file_index] = 1;
6291d7e4
AK
2697 no_packet_count++;
2698 continue;
2699 }
2700 if (ret < 0) {
2701 input_files[file_index].eof_reached = 1;
2702 if (opt_shortest)
2703 break;
2704 else
2705 continue;
2706 }
2707
7636c8c6 2708 no_packet_count = 0;
b0c9e8e0 2709 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
2710
2711 if (do_pkt_dump) {
2712 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2713 is->streams[pkt.stream_index]);
2714 }
2715 /* the following test is needed in case new streams appear
2716 dynamically in stream : we ignore them */
ed5b1326 2717 if (pkt.stream_index >= input_files[file_index].nb_streams)
6291d7e4
AK
2718 goto discard_packet;
2719 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2720 ist = &input_streams[ist_index];
2721 if (ist->discard)
2722 goto discard_packet;
2723
2724 if (pkt.dts != AV_NOPTS_VALUE)
2725 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2726 if (pkt.pts != AV_NOPTS_VALUE)
2727 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2728
7636c8c6 2729 if (pkt.pts != AV_NOPTS_VALUE)
33f75d72 2730 pkt.pts *= ist->ts_scale;
7636c8c6 2731 if (pkt.dts != AV_NOPTS_VALUE)
33f75d72 2732 pkt.dts *= ist->ts_scale;
6291d7e4 2733
7636c8c6
AD
2734 //fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n",
2735 // ist->next_pts,
2736 // pkt.dts, input_files[ist->file_index].ts_offset,
2737 // ist->st->codec->codec_type);
6291d7e4
AK
2738 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2739 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
7636c8c6
AD
2740 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2741 int64_t delta = pkt_dts - ist->next_pts;
2742 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->pts) && !copy_ts) {
6291d7e4 2743 input_files[ist->file_index].ts_offset -= delta;
7636c8c6
AD
2744 av_log(NULL, AV_LOG_DEBUG,
2745 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
e3245b26 2746 delta, input_files[ist->file_index].ts_offset);
6291d7e4 2747 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
7636c8c6 2748 if (pkt.pts != AV_NOPTS_VALUE)
6291d7e4
AK
2749 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2750 }
2751 }
2752
7636c8c6 2753 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
06d4e2fa 2754 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
6291d7e4 2755
9a414d89 2756 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
e3245b26 2757 ist->file_index, ist->st->index);
6291d7e4
AK
2758 if (exit_on_error)
2759 exit_program(1);
2760 av_free_packet(&pkt);
b9630bcf 2761 continue;
6291d7e4
AK
2762 }
2763
2764 discard_packet:
2765 av_free_packet(&pkt);
2766
2767 /* dump report by using the output first video and audio streams */
c5ad2c2c 2768 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
6291d7e4
AK
2769 }
2770
2771 /* at the end of stream, we must flush the decoder buffers */
2772 for (i = 0; i < nb_input_streams; i++) {
2773 ist = &input_streams[i];
2774 if (ist->decoding_needed) {
06d4e2fa 2775 output_packet(ist, output_streams, nb_output_streams, NULL);
6291d7e4
AK
2776 }
2777 }
b62b5cb6 2778 flush_encoders(output_streams, nb_output_streams);
6291d7e4
AK
2779
2780 term_exit();
2781
2782 /* write the trailer if needed and close file */
7636c8c6 2783 for (i = 0; i < nb_output_files; i++) {
af70aa45 2784 os = output_files[i].ctx;
6291d7e4
AK
2785 av_write_trailer(os);
2786 }
2787
2788 /* dump report by using the first video and audio streams */
c5ad2c2c 2789 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
6291d7e4
AK
2790
2791 /* close each encoder */
4288e031
AK
2792 for (i = 0; i < nb_output_streams; i++) {
2793 ost = &output_streams[i];
6291d7e4
AK
2794 if (ost->encoding_needed) {
2795 av_freep(&ost->st->codec->stats_in);
2796 avcodec_close(ost->st->codec);
2797 }
2798#if CONFIG_AVFILTER
2799 avfilter_graph_free(&ost->graph);
2800#endif
2801 }
2802
2803 /* close each decoder */
2804 for (i = 0; i < nb_input_streams; i++) {
2805 ist = &input_streams[i];
2806 if (ist->decoding_needed) {
2807 avcodec_close(ist->st->codec);
2808 }
2809 }
2810
2811 /* finished ! */
2812 ret = 0;
2813
2814 fail:
2815 av_freep(&bit_buffer);
b0c9e8e0 2816 av_freep(&no_packet);
6291d7e4 2817
4288e031
AK
2818 if (output_streams) {
2819 for (i = 0; i < nb_output_streams; i++) {
2820 ost = &output_streams[i];
6291d7e4 2821 if (ost) {
3d813e4c 2822 if (ost->stream_copy)
6291d7e4
AK
2823 av_freep(&ost->st->codec->extradata);
2824 if (ost->logfile) {
2825 fclose(ost->logfile);
2826 ost->logfile = NULL;
2827 }
2828 av_fifo_free(ost->fifo); /* works even if fifo is not
2829 initialized but set to zero */
2830 av_freep(&ost->st->codec->subtitle_header);
2831 av_free(ost->pict_tmp.data[0]);
2832 av_free(ost->forced_kf_pts);
2833 if (ost->video_resample)
2834 sws_freeContext(ost->img_resample_ctx);
2835 if (ost->resample)
2836 audio_resample_close(ost->resample);
2837 if (ost->reformat_ctx)
2838 av_audio_convert_free(ost->reformat_ctx);
2839 av_dict_free(&ost->opts);
6291d7e4
AK
2840 }
2841 }
6291d7e4
AK
2842 }
2843 return ret;
2844}
2845
ca46fde7 2846static double parse_frame_aspect_ratio(const char *arg)
6291d7e4
AK
2847{
2848 int x = 0, y = 0;
2849 double ar = 0;
2850 const char *p;
2851 char *end;
2852
2853 p = strchr(arg, ':');
2854 if (p) {
2855 x = strtol(arg, &end, 10);
2856 if (end == p)
7636c8c6 2857 y = strtol(end + 1, &end, 10);
6291d7e4
AK
2858 if (x > 0 && y > 0)
2859 ar = (double)x / (double)y;
2860 } else
2861 ar = strtod(arg, NULL);
2862
2863 if (!ar) {
e3245b26 2864 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
ca46fde7 2865 exit_program(1);
6291d7e4 2866 }
ca46fde7 2867 return ar;
6291d7e4
AK
2868}
2869
35e6f8c1 2870static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2871{
35e6f8c1 2872 return parse_option(o, "codec:a", arg, options);
6291d7e4
AK
2873}
2874
35e6f8c1 2875static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2876{
35e6f8c1 2877 return parse_option(o, "codec:v", arg, options);
6291d7e4
AK
2878}
2879
35e6f8c1 2880static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2881{
35e6f8c1 2882 return parse_option(o, "codec:s", arg, options);
6291d7e4
AK
2883}
2884
35e6f8c1 2885static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2886{
35e6f8c1 2887 return parse_option(o, "codec:d", arg, options);
6291d7e4
AK
2888}
2889
575ec4e1 2890static int opt_map(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2891{
8d2e4a7e
AK
2892 StreamMap *m = NULL;
2893 int i, negative = 0, file_idx;
2894 int sync_file_idx = -1, sync_stream_idx;
2895 char *p, *sync;
2896 char *map;
6291d7e4 2897
8d2e4a7e
AK
2898 if (*arg == '-') {
2899 negative = 1;
2900 arg++;
2901 }
2902 map = av_strdup(arg);
6291d7e4 2903
8d2e4a7e
AK
2904 /* parse sync stream first, just pick first matching stream */
2905 if (sync = strchr(map, ',')) {
2906 *sync = 0;
2907 sync_file_idx = strtol(sync + 1, &sync, 0);
2908 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
f24facd3 2909 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
8d2e4a7e
AK
2910 exit_program(1);
2911 }
2912 if (*sync)
2913 sync++;
ed5b1326 2914 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
8d2e4a7e
AK
2915 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2916 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2917 sync_stream_idx = i;
2918 break;
2919 }
ed5b1326 2920 if (i == input_files[sync_file_idx].nb_streams) {
f24facd3 2921 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
8d2e4a7e
AK
2922 "match any streams.\n", arg);
2923 exit_program(1);
2924 }
2925 }
6291d7e4 2926
8d2e4a7e
AK
2927
2928 file_idx = strtol(map, &p, 0);
2929 if (file_idx >= nb_input_files || file_idx < 0) {
f24facd3 2930 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
8d2e4a7e 2931 exit_program(1);
6291d7e4 2932 }
8d2e4a7e
AK
2933 if (negative)
2934 /* disable some already defined maps */
575ec4e1
AK
2935 for (i = 0; i < o->nb_stream_maps; i++) {
2936 m = &o->stream_maps[i];
e6674f68
AK
2937 if (file_idx == m->file_index &&
2938 check_stream_specifier(input_files[m->file_index].ctx,
8d2e4a7e
AK
2939 input_files[m->file_index].ctx->streams[m->stream_index],
2940 *p == ':' ? p + 1 : p) > 0)
2941 m->disabled = 1;
2942 }
2943 else
ed5b1326 2944 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
8d2e4a7e
AK
2945 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2946 *p == ':' ? p + 1 : p) <= 0)
2947 continue;
575ec4e1
AK
2948 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2949 &o->nb_stream_maps, o->nb_stream_maps + 1);
2950 m = &o->stream_maps[o->nb_stream_maps - 1];
8d2e4a7e
AK
2951
2952 m->file_index = file_idx;
2953 m->stream_index = i;
2954
2955 if (sync_file_idx >= 0) {
2956 m->sync_file_index = sync_file_idx;
2957 m->sync_stream_index = sync_stream_idx;
2958 } else {
2959 m->sync_file_index = file_idx;
2960 m->sync_stream_index = i;
2961 }
2962 }
2963
2964 if (!m) {
f24facd3 2965 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
8d2e4a7e
AK
2966 exit_program(1);
2967 }
2968
2969 av_freep(&map);
6291d7e4
AK
2970 return 0;
2971}
2972
4dbc6cee
AK
2973static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
2974{
2975 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
2976 &o->nb_attachments, o->nb_attachments + 1);
2977 o->attachments[o->nb_attachments - 1] = arg;
2978 return 0;
2979}
2980
a7b5e841
AK
2981/**
2982 * Parse a metadata specifier in arg.
2983 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
2984 * @param index for type c/p, chapter/program index is written here
2985 * @param stream_spec for type s, the stream specifier is written here
2986 */
2987static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
6291d7e4 2988{
039267f1 2989 if (*arg) {
a2a38d96 2990 *type = *arg;
6291d7e4
AK
2991 switch (*arg) {
2992 case 'g':
2993 break;
2994 case 's':
a7b5e841
AK
2995 if (*(++arg) && *arg != ':') {
2996 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
2997 exit_program(1);
2998 }
2999 *stream_spec = *arg == ':' ? arg + 1 : "";
3000 break;
6291d7e4
AK
3001 case 'c':
3002 case 'p':
e6e6060c
AK
3003 if (*(++arg) == ':')
3004 *index = strtol(++arg, NULL, 0);
6291d7e4
AK
3005 break;
3006 default:
e3245b26 3007 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
6291d7e4
AK
3008 exit_program(1);
3009 }
3010 } else
3011 *type = 'g';
3012}
3013
a7b5e841 3014static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
6291d7e4 3015{
a7b5e841
AK
3016 AVDictionary **meta_in = NULL;
3017 AVDictionary **meta_out;
3018 int i, ret = 0;
3019 char type_in, type_out;
3020 const char *istream_spec = NULL, *ostream_spec = NULL;
3021 int idx_in = 0, idx_out = 0;
6291d7e4 3022
a7b5e841
AK
3023 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3024 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
6291d7e4 3025
a7b5e841 3026 if (type_in == 'g' || type_out == 'g')
847529f8 3027 o->metadata_global_manual = 1;
a7b5e841 3028 if (type_in == 's' || type_out == 's')
847529f8 3029 o->metadata_streams_manual = 1;
a7b5e841 3030 if (type_in == 'c' || type_out == 'c')
847529f8 3031 o->metadata_chapters_manual = 1;
6291d7e4 3032
a7b5e841
AK
3033#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3034 if ((index) < 0 || (index) >= (nb_elems)) {\
3035 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3036 (desc), (index));\
3037 exit_program(1);\
3038 }
3039
3040#define SET_DICT(type, meta, context, index)\
3041 switch (type) {\
3042 case 'g':\
3043 meta = &context->metadata;\
3044 break;\
3045 case 'c':\
3046 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3047 meta = &context->chapters[index]->metadata;\
3048 break;\
3049 case 'p':\
3050 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3051 meta = &context->programs[index]->metadata;\
3052 break;\
3053 }\
3054
3055 SET_DICT(type_in, meta_in, ic, idx_in);
3056 SET_DICT(type_out, meta_out, oc, idx_out);
3057
3058 /* for input streams choose first matching stream */
3059 if (type_in == 's') {
3060 for (i = 0; i < ic->nb_streams; i++) {
3061 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3062 meta_in = &ic->streams[i]->metadata;
3063 break;
3064 } else if (ret < 0)
3065 exit_program(1);
3066 }
3067 if (!meta_in) {
3068 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3069 exit_program(1);
3070 }
3071 }
3072
3073 if (type_out == 's') {
3074 for (i = 0; i < oc->nb_streams; i++) {
3075 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3076 meta_out = &oc->streams[i]->metadata;
3077 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3078 } else if (ret < 0)
3079 exit_program(1);
3080 }
3081 } else
3082 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3083
6291d7e4
AK
3084 return 0;
3085}
3086
1b648c7c 3087static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
169f0647
AK
3088{
3089 const char *codec_string = encoder ? "encoder" : "decoder";
3090 AVCodec *codec;
3091
169f0647
AK
3092 codec = encoder ?
3093 avcodec_find_encoder_by_name(name) :
3094 avcodec_find_decoder_by_name(name);
7636c8c6 3095 if (!codec) {
f24facd3 3096 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
169f0647
AK
3097 exit_program(1);
3098 }
7636c8c6 3099 if (codec->type != type) {
f24facd3 3100 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
169f0647
AK
3101 exit_program(1);
3102 }
1b648c7c 3103 return codec;
169f0647
AK
3104}
3105
1b648c7c 3106static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
169f0647 3107{
169f0647 3108 char *codec_name = NULL;
169f0647 3109
35e6f8c1 3110 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
1b648c7c
AK
3111 if (codec_name) {
3112 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3113 st->codec->codec_id = codec->id;
3114 return codec;
3115 } else
3116 return avcodec_find_decoder(st->codec->codec_id);
169f0647 3117}
6291d7e4 3118
88867844
AK
3119/**
3120 * Add all the streams from the given input file to the global
3121 * list of input streams.
3122 */
35e6f8c1 3123static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
88867844 3124{
c88d5319 3125 int i;
88867844
AK
3126
3127 for (i = 0; i < ic->nb_streams; i++) {
3128 AVStream *st = ic->streams[i];
3129 AVCodecContext *dec = st->codec;
3130 InputStream *ist;
3131
88867844
AK
3132 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3133 ist = &input_streams[nb_input_streams - 1];
3134 ist->st = st;
3135 ist->file_index = nb_input_files;
3136 ist->discard = 1;
3137 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3138
059fb8c8
AK
3139 ist->ts_scale = 1.0;
3140 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
88867844 3141
1b648c7c 3142 ist->dec = choose_decoder(o, ic, st);
88867844
AK
3143
3144 switch (dec->codec_type) {
3145 case AVMEDIA_TYPE_AUDIO:
2130981a 3146 if (o->audio_disable)
7636c8c6 3147 st->discard = AVDISCARD_ALL;
88867844
AK
3148 break;
3149 case AVMEDIA_TYPE_VIDEO:
88867844
AK
3150 if (dec->lowres) {
3151 dec->flags |= CODEC_FLAG_EMU_EDGE;
3152 dec->height >>= dec->lowres;
3153 dec->width >>= dec->lowres;
3154 }
88867844 3155
2130981a 3156 if (o->video_disable)
7636c8c6
AD
3157 st->discard = AVDISCARD_ALL;
3158 else if (video_discard)
3159 st->discard = video_discard;
88867844
AK
3160 break;
3161 case AVMEDIA_TYPE_DATA:
3162 break;
3163 case AVMEDIA_TYPE_SUBTITLE:
2130981a 3164 if (o->subtitle_disable)
88867844
AK
3165 st->discard = AVDISCARD_ALL;
3166 break;
3167 case AVMEDIA_TYPE_ATTACHMENT:
3168 case AVMEDIA_TYPE_UNKNOWN:
3169 break;
3170 default:
3171 abort();
3172 }
3173 }
3174}
3175
a2c0b830
AK
3176static void assert_file_overwrite(const char *filename)
3177{
3178 if (!file_overwrite &&
3179 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3180 av_strstart(filename, "file:", NULL))) {
3181 if (avio_check(filename, 0) == 0) {
3182 if (!using_stdin) {
3183 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3184 fflush(stderr);
3185 if (!read_yesno()) {
3186 fprintf(stderr, "Not overwriting - exiting\n");
3187 exit_program(1);
3188 }
3189 }
3190 else {
3191 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3192 exit_program(1);
3193 }
3194 }
3195 }
3196}
3197
3198static void dump_attachment(AVStream *st, const char *filename)
3199{
3200 int ret;
3201 AVIOContext *out = NULL;
3202 AVDictionaryEntry *e;
3203
3204 if (!st->codec->extradata_size) {
3205 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3206 nb_input_files - 1, st->index);
3207 return;
3208 }
3209 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3210 filename = e->value;
3211 if (!*filename) {
3212 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3213 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3214 exit_program(1);
3215 }
3216
3217 assert_file_overwrite(filename);
3218
2abe947a 3219 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
a2c0b830
AK
3220 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3221 filename);
3222 exit_program(1);
3223 }
3224
3225 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3226 avio_flush(out);
3227 avio_close(out);
3228}
3229
575ec4e1 3230static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
6291d7e4
AK
3231{
3232 AVFormatContext *ic;
3233 AVInputFormat *file_iformat = NULL;
88867844 3234 int err, i, ret;
6291d7e4
AK
3235 int64_t timestamp;
3236 uint8_t buf[128];
3237 AVDictionary **opts;
3238 int orig_nb_streams; // number of streams before avformat_find_stream_info
3239
7041bb3b
AK
3240 if (o->format) {
3241 if (!(file_iformat = av_find_input_format(o->format))) {
e3245b26 3242 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
6291d7e4
AK
3243 exit_program(1);
3244 }
6291d7e4
AK
3245 }
3246
3247 if (!strcmp(filename, "-"))
3248 filename = "pipe:";
3249
3250 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3251 !strcmp(filename, "/dev/stdin");
3252
3253 /* get default parameters from command line */
3254 ic = avformat_alloc_context();
3255 if (!ic) {
3256 print_error(filename, AVERROR(ENOMEM));
3257 exit_program(1);
3258 }
e2469ccf
AK
3259 if (o->nb_audio_sample_rate) {
3260 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
6291d7e4
AK
3261 av_dict_set(&format_opts, "sample_rate", buf, 0);
3262 }
6a11686d
AK
3263 if (o->nb_audio_channels) {
3264 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
6291d7e4
AK
3265 av_dict_set(&format_opts, "channels", buf, 0);
3266 }
91ea4811
AK
3267 if (o->nb_frame_rates) {
3268 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
6291d7e4 3269 }
d4397b03
AK
3270 if (o->nb_frame_sizes) {
3271 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
6291d7e4 3272 }
b2254d83
AK
3273 if (o->nb_frame_pix_fmts)
3274 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
6291d7e4 3275
6291d7e4 3276 ic->flags |= AVFMT_FLAG_NONBLOCK;
2abe947a 3277 ic->interrupt_callback = int_cb;
6291d7e4
AK
3278
3279 /* open the input file with generic libav function */
3280 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3281 if (err < 0) {
3282 print_error(filename, err);
3283 exit_program(1);
3284 }
3285 assert_avoptions(format_opts);
3286
92f1940e
AK
3287 /* apply forced codec ids */
3288 for (i = 0; i < ic->nb_streams; i++)
1b648c7c 3289 choose_decoder(o, ic, ic->streams[i]);
92f1940e 3290
6291d7e4
AK
3291 /* Set AVCodecContext options for avformat_find_stream_info */
3292 opts = setup_find_stream_info_opts(ic, codec_opts);
3293 orig_nb_streams = ic->nb_streams;
3294
3295 /* If not enough info to get the stream parameters, we decode the
3296 first frames to get it. (used in mpeg case for example) */
3297 ret = avformat_find_stream_info(ic, opts);
e3245b26
AK
3298 if (ret < 0) {
3299 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
cd3716b9 3300 avformat_close_input(&ic);
6291d7e4
AK
3301 exit_program(1);
3302 }
3303
6b779ccc 3304 timestamp = o->start_time;
6291d7e4
AK
3305 /* add the stream start time */
3306 if (ic->start_time != AV_NOPTS_VALUE)
3307 timestamp += ic->start_time;
3308
3309 /* if seeking requested, we execute it */
6b779ccc 3310 if (o->start_time != 0) {
6291d7e4
AK
3311 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3312 if (ret < 0) {
e3245b26
AK
3313 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3314 filename, (double)timestamp / AV_TIME_BASE);
6291d7e4 3315 }
6291d7e4
AK
3316 }
3317
3318 /* update the current parameters so that they match the one of the input stream */
35e6f8c1 3319 add_input_streams(o, ic);
6291d7e4
AK
3320
3321 /* dump the file content */
e3245b26 3322 av_dump_format(ic, nb_input_files, filename, 0);
6291d7e4
AK
3323
3324 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3325 input_files[nb_input_files - 1].ctx = ic;
3326 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
6b779ccc 3327 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
ed5b1326 3328 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
dc3e76f3 3329 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
6291d7e4 3330
a2c0b830
AK
3331 for (i = 0; i < o->nb_dump_attachment; i++) {
3332 int j;
3333
3334 for (j = 0; j < ic->nb_streams; j++) {
3335 AVStream *st = ic->streams[j];
3336
3337 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3338 dump_attachment(st, o->dump_attachment[i].u.str);
3339 }
3340 }
3341
6291d7e4
AK
3342 for (i = 0; i < orig_nb_streams; i++)
3343 av_dict_free(&opts[i]);
3344 av_freep(&opts);
575ec4e1
AK
3345
3346 reset_options(o);
6291d7e4
AK
3347 return 0;
3348}
3349
f233cfed
AK
3350static void parse_forced_key_frames(char *kf, OutputStream *ost,
3351 AVCodecContext *avctx)
3352{
3353 char *p;
3354 int n = 1, i;
3355 int64_t t;
3356
3357 for (p = kf; *p; p++)
3358 if (*p == ',')
3359 n++;
3360 ost->forced_kf_count = n;
7636c8c6 3361 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
f233cfed
AK
3362 if (!ost->forced_kf_pts) {
3363 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3364 exit_program(1);
3365 }
3366 for (i = 0; i < n; i++) {
3367 p = i ? strchr(p, ',') + 1 : kf;
3368 t = parse_time_or_die("force_key_frames", p, 1);
3369 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3370 }
3371}
3372
3ec34462
AK
3373static uint8_t *get_line(AVIOContext *s)
3374{
3375 AVIOContext *line;
3376 uint8_t *buf;
3377 char c;
3378
3379 if (avio_open_dyn_buf(&line) < 0) {
3380 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3381 exit_program(1);
3382 }
3383
3384 while ((c = avio_r8(s)) && c != '\n')
3385 avio_w8(line, c);
3386 avio_w8(line, 0);
3387 avio_close_dyn_buf(line, &buf);
3388
3389 return buf;
3390}
3391
3392static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3393{
3394 int i, ret = 1;
3395 char filename[1000];
3396 const char *base[3] = { getenv("AVCONV_DATADIR"),
3397 getenv("HOME"),
3398 AVCONV_DATADIR,
3399 };
3400
3401 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3402 if (!base[i])
3403 continue;
3404 if (codec_name) {
3405 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3406 i != 1 ? "" : "/.avconv", codec_name, preset_name);
2abe947a 3407 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3ec34462
AK
3408 }
3409 if (ret) {
3410 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3411 i != 1 ? "" : "/.avconv", preset_name);
2abe947a 3412 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3ec34462
AK
3413 }
3414 }
3415 return ret;
3416}
3417
1b648c7c
AK
3418static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3419{
3420 char *codec_name = NULL;
3421
3422 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3423 if (!codec_name) {
3424 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3425 NULL, ost->st->codec->codec_type);
3426 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3427 } else if (!strcmp(codec_name, "copy"))
3d813e4c 3428 ost->stream_copy = 1;
1b648c7c
AK
3429 else {
3430 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3431 ost->st->codec->codec_id = ost->enc->id;
3432 }
3433}
3434
35e6f8c1 3435static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
169f0647
AK
3436{
3437 OutputStream *ost;
84ad31ff 3438 AVStream *st = avformat_new_stream(oc, NULL);
3ec34462 3439 int idx = oc->nb_streams - 1, ret = 0;
013887eb 3440 char *bsf = NULL, *next, *codec_tag = NULL;
d821cbe2 3441 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
77d9c454 3442 double qscale = -1;
3ec34462
AK
3443 char *buf = NULL, *arg = NULL, *preset = NULL;
3444 AVIOContext *s = NULL;
169f0647
AK
3445
3446 if (!st) {
f24facd3 3447 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
169f0647
AK
3448 exit_program(1);
3449 }
3450
84ad31ff
AK
3451 if (oc->nb_streams - 1 < o->nb_streamid_map)
3452 st->id = o->streamid_map[oc->nb_streams - 1];
3453
4288e031
AK
3454 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3455 nb_output_streams + 1);
3456 ost = &output_streams[nb_output_streams - 1];
40fc2810 3457 ost->file_index = nb_output_files;
7636c8c6
AD
3458 ost->index = idx;
3459 ost->st = st;
169f0647 3460 st->codec->codec_type = type;
1b648c7c 3461 choose_encoder(o, oc, ost);
169f0647
AK
3462 if (ost->enc) {
3463 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3464 }
3465
3466 avcodec_get_context_defaults3(st->codec, ost->enc);
3467 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3468
3ec34462
AK
3469 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3470 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3471 do {
3472 buf = get_line(s);
3473 if (!buf[0] || buf[0] == '#') {
3474 av_free(buf);
3475 continue;
3476 }
3477 if (!(arg = strchr(buf, '='))) {
3478 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3479 exit_program(1);
3480 }
3481 *arg++ = 0;
3482 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3483 av_free(buf);
3484 } while (!s->eof_reached);
3485 avio_close(s);
3486 }
3487 if (ret) {
3488 av_log(NULL, AV_LOG_FATAL,
3489 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3490 preset, ost->file_index, ost->index);
3491 exit_program(1);
3492 }
3493
059fb8c8
AK
3494 ost->max_frames = INT64_MAX;
3495 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
96139b5e 3496
d821cbe2
AK
3497 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3498 while (bsf) {
3499 if (next = strchr(bsf, ','))
3500 *next++ = 0;
3501 if (!(bsfc = av_bitstream_filter_init(bsf))) {
f24facd3 3502 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
d821cbe2
AK
3503 exit_program(1);
3504 }
3505 if (bsfc_prev)
3506 bsfc_prev->next = bsfc;
3507 else
3508 ost->bitstream_filters = bsfc;
3509
3510 bsfc_prev = bsfc;
3511 bsf = next;
3512 }
3513
013887eb
AK
3514 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3515 if (codec_tag) {
3516 uint32_t tag = strtol(codec_tag, &next, 0);
3517 if (*next)
3518 tag = AV_RL32(codec_tag);
3519 st->codec->codec_tag = tag;
3520 }
3521
77d9c454
AK
3522 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3523 if (qscale >= 0 || same_quant) {
3524 st->codec->flags |= CODEC_FLAG_QSCALE;
3525 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3526 }
3527
becdce99
AK
3528 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3529 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3530
3b3ea346 3531 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
169f0647
AK
3532 return ost;
3533}
3534
2c2cff16
AK
3535static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3536{
3537 int i;
3538 const char *p = str;
7636c8c6 3539 for (i = 0;; i++) {
2c2cff16 3540 dest[i] = atoi(p);
7636c8c6 3541 if (i == 63)
2c2cff16
AK
3542 break;
3543 p = strchr(p, ',');
7636c8c6 3544 if (!p) {
e3245b26 3545 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);