avconv: move chapter maps to options context.
[libav.git] / avconv.c
CommitLineData
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1/*
2 * avconv main
3 * Copyright (c) 2000-2011 The libav developers.
4 *
5 * This file is part of Libav.
6 *
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22#include "config.h"
23#include <ctype.h>
24#include <string.h>
25#include <math.h>
26#include <stdlib.h>
27#include <errno.h>
28#include <signal.h>
29#include <limits.h>
30#include <unistd.h>
31#include "libavformat/avformat.h"
32#include "libavdevice/avdevice.h"
33#include "libswscale/swscale.h"
34#include "libavutil/opt.h"
35#include "libavcodec/audioconvert.h"
36#include "libavutil/audioconvert.h"
37#include "libavutil/parseutils.h"
38#include "libavutil/samplefmt.h"
39#include "libavutil/colorspace.h"
40#include "libavutil/fifo.h"
41#include "libavutil/intreadwrite.h"
42#include "libavutil/dict.h"
43#include "libavutil/mathematics.h"
44#include "libavutil/pixdesc.h"
45#include "libavutil/avstring.h"
46#include "libavutil/libm.h"
47#include "libavformat/os_support.h"
48
49#if CONFIG_AVFILTER
50# include "libavfilter/avfilter.h"
51# include "libavfilter/avfiltergraph.h"
52# include "libavfilter/vsrc_buffer.h"
53#endif
54
55#if HAVE_SYS_RESOURCE_H
56#include <sys/types.h>
57#include <sys/time.h>
58#include <sys/resource.h>
59#elif HAVE_GETPROCESSTIMES
60#include <windows.h>
61#endif
62#if HAVE_GETPROCESSMEMORYINFO
63#include <windows.h>
64#include <psapi.h>
65#endif
66
67#if HAVE_SYS_SELECT_H
68#include <sys/select.h>
69#endif
70
71#include <time.h>
72
73#include "cmdutils.h"
74
75#include "libavutil/avassert.h"
76
77const char program_name[] = "avconv";
78const int program_birth_year = 2000;
79
80/* select an input stream for an output stream */
81typedef struct StreamMap {
8d2e4a7e 82 int disabled; /** 1 is this mapping is disabled by a negative map */
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83 int file_index;
84 int stream_index;
85 int sync_file_index;
86 int sync_stream_index;
87} StreamMap;
88
89/**
90 * select an input file for an output file
91 */
92typedef struct MetadataMap {
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93 int file; ///< file index
94 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
95 int index; ///< stream/chapter/program number
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96} MetadataMap;
97
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98static const OptionDef options[];
99
09af7fb3 100static AVDictionary *ts_scale;
6291d7e4 101
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102/* indexed by output file stream index */
103static int *streamid_map = NULL;
104static int nb_streamid_map = 0;
105
106static int frame_width = 0;
107static int frame_height = 0;
108static float frame_aspect_ratio = 0;
109static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
110static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
111static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
112static AVRational frame_rate;
113static float video_qscale = 0;
114static uint16_t *intra_matrix = NULL;
115static uint16_t *inter_matrix = NULL;
116static const char *video_rc_override_string=NULL;
117static int video_disable = 0;
118static int video_discard = 0;
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119static unsigned int video_codec_tag = 0;
120static char *video_language = NULL;
f4ad238c 121static int same_quant = 0;
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122static int do_deinterlace = 0;
123static int top_field_first = -1;
124static int me_threshold = 0;
125static int intra_dc_precision = 8;
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126static int qp_hist = 0;
127#if CONFIG_AVFILTER
128static char *vfilters = NULL;
129#endif
130
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131static int audio_sample_rate = 0;
132#define QSCALE_NONE -99999
133static float audio_qscale = QSCALE_NONE;
134static int audio_disable = 0;
135static int audio_channels = 0;
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136static unsigned int audio_codec_tag = 0;
137static char *audio_language = NULL;
138
139static int subtitle_disable = 0;
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140static char *subtitle_language = NULL;
141static unsigned int subtitle_codec_tag = 0;
142
143static int data_disable = 0;
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144static unsigned int data_codec_tag = 0;
145
146static float mux_preload= 0.5;
147static float mux_max_delay= 0.7;
148
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149static int file_overwrite = 0;
150static AVDictionary *metadata;
151static int do_benchmark = 0;
152static int do_hex_dump = 0;
153static int do_pkt_dump = 0;
154static int do_psnr = 0;
155static int do_pass = 0;
156static char *pass_logfilename_prefix = NULL;
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157static int video_sync_method= -1;
158static int audio_sync_method= 0;
159static float audio_drift_threshold= 0.1;
160static int copy_ts= 0;
161static int copy_tb;
162static int opt_shortest = 0;
163static char *vstats_filename;
164static FILE *vstats_file;
165static int opt_programid = 0;
166static int copy_initial_nonkeyframes = 0;
167
168static int rate_emu = 0;
169
170static int audio_volume = 256;
171
172static int exit_on_error = 0;
173static int using_stdin = 0;
174static int verbose = 1;
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175static int64_t video_size = 0;
176static int64_t audio_size = 0;
177static int64_t extra_size = 0;
178static int nb_frames_dup = 0;
179static int nb_frames_drop = 0;
180static int input_sync;
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181static int force_fps = 0;
182static char *forced_key_frames = NULL;
183
184static float dts_delta_threshold = 10;
185
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186static uint8_t *audio_buf;
187static uint8_t *audio_out;
188static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
189
190static short *samples;
191
192static AVBitStreamFilterContext *video_bitstream_filters=NULL;
193static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
194static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
195
196#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
197
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198typedef struct InputStream {
199 int file_index;
200 AVStream *st;
201 int discard; /* true if stream data should be discarded */
202 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
203 AVCodec *dec;
204
205 int64_t start; /* time when read started */
206 int64_t next_pts; /* synthetic pts for cases where pkt.pts
207 is not defined */
208 int64_t pts; /* current pts */
209 PtsCorrectionContext pts_ctx;
210 double ts_scale;
211 int is_start; /* is 1 at the start and after a discontinuity */
212 int showed_multi_packet_warning;
213 AVDictionary *opts;
214} InputStream;
215
216typedef struct InputFile {
217 AVFormatContext *ctx;
218 int eof_reached; /* true if eof reached */
219 int ist_index; /* index of first stream in ist_table */
220 int buffer_size; /* current total buffer size */
221 int64_t ts_offset;
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222 int nb_streams; /* number of stream that avconv is aware of; may be different
223 from ctx.nb_streams if new streams appear during av_read_frame() */
6494c001 224} InputFile;
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225
226typedef struct OutputStream {
227 int file_index; /* file index */
228 int index; /* stream index in the output file */
229 int source_index; /* InputStream index */
230 AVStream *st; /* stream in the output file */
231 int encoding_needed; /* true if encoding needed for this stream */
232 int frame_number;
233 /* input pts and corresponding output pts
234 for A/V sync */
235 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
236 struct InputStream *sync_ist; /* input stream to sync against */
237 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
238 AVBitStreamFilterContext *bitstream_filters;
239 AVCodec *enc;
240
241 /* video only */
242 int video_resample;
243 AVFrame pict_tmp; /* temporary image for resampling */
244 struct SwsContext *img_resample_ctx; /* for image resampling */
245 int resample_height;
246 int resample_width;
247 int resample_pix_fmt;
248 AVRational frame_rate;
249
250 float frame_aspect_ratio;
251
252 /* forced key frames */
253 int64_t *forced_kf_pts;
254 int forced_kf_count;
255 int forced_kf_index;
256
257 /* audio only */
258 int audio_resample;
259 ReSampleContext *resample; /* for audio resampling */
260 int resample_sample_fmt;
261 int resample_channels;
262 int resample_sample_rate;
263 int reformat_pair;
264 AVAudioConvert *reformat_ctx;
265 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
266 FILE *logfile;
267
268#if CONFIG_AVFILTER
269 AVFilterContext *output_video_filter;
270 AVFilterContext *input_video_filter;
271 AVFilterBufferRef *picref;
272 char *avfilter;
273 AVFilterGraph *graph;
274#endif
275
276 int sws_flags;
277 AVDictionary *opts;
ef44a607 278 int is_past_recording_time;
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279} OutputStream;
280
6291d7e4 281
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282typedef struct OutputFile {
283 AVFormatContext *ctx;
284 AVDictionary *opts;
4288e031 285 int ost_index; /* index of the first stream in output_streams */
ef44a607 286 int64_t recording_time; /* desired length of the resulting file in microseconds */
ea065176 287 int64_t start_time; /* start time in microseconds */
f21f294e 288 uint64_t limit_filesize;
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289} OutputFile;
290
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291static InputStream *input_streams = NULL;
292static int nb_input_streams = 0;
293static InputFile *input_files = NULL;
294static int nb_input_files = 0;
295
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296static OutputStream *output_streams = NULL;
297static int nb_output_streams = 0;
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298static OutputFile *output_files = NULL;
299static int nb_output_files = 0;
300
575ec4e1 301typedef struct OptionsContext {
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302 /* input/output options */
303 int64_t start_time;
7041bb3b 304 const char *format;
6b779ccc 305
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306 SpecifierOpt *codec_names;
307 int nb_codec_names;
308
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309 /* input options */
310 int64_t input_ts_offset;
311
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312 /* output options */
313 StreamMap *stream_maps;
314 int nb_stream_maps;
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315 /* first item specifies output metadata, second is input */
316 MetadataMap (*meta_data_maps)[2];
317 int nb_meta_data_maps;
318 int metadata_global_manual;
319 int metadata_streams_manual;
320 int metadata_chapters_manual;
6b779ccc 321
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322 int chapters_input_file;
323
6b779ccc 324 int64_t recording_time;
13ccba50 325 uint64_t limit_filesize;
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326} OptionsContext;
327
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328#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
329{\
330 int i, ret;\
331 for (i = 0; i < o->nb_ ## name; i++) {\
332 char *spec = o->name[i].specifier;\
333 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
334 outvar = o->name[i].u.type;\
335 else if (ret < 0)\
336 exit_program(1);\
337 }\
338}
339
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340static void reset_options(OptionsContext *o)
341{
342 const OptionDef *po = options;
343
344 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
345 while (po->name) {
346 void *dst = (uint8_t*)o + po->u.off;
347
348 if (po->flags & OPT_SPEC) {
349 SpecifierOpt **so = dst;
350 int i, *count = (int*)(so + 1);
351 for (i = 0; i < *count; i++) {
352 av_freep(&(*so)[i].specifier);
353 if (po->flags & OPT_STRING)
354 av_freep(&(*so)[i].u.str);
355 }
356 av_freep(so);
357 *count = 0;
358 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
359 av_freep(dst);
360 po++;
361 }
362
363 av_freep(&o->stream_maps);
847529f8 364 av_freep(&o->meta_data_maps);
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365
366 memset(o, 0, sizeof(*o));
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367
368 o->recording_time = INT64_MAX;
13ccba50 369 o->limit_filesize = UINT64_MAX;
c5bb372e 370 o->chapters_input_file = INT_MAX;
6b779ccc 371
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372 uninit_opts();
373 init_opts();
374}
375
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376#if CONFIG_AVFILTER
377
378static int configure_video_filters(InputStream *ist, OutputStream *ost)
379{
380 AVFilterContext *last_filter, *filter;
381 /** filter graph containing all filters including input & output */
382 AVCodecContext *codec = ost->st->codec;
383 AVCodecContext *icodec = ist->st->codec;
384 FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
385 AVRational sample_aspect_ratio;
386 char args[255];
387 int ret;
388
389 ost->graph = avfilter_graph_alloc();
390
391 if (ist->st->sample_aspect_ratio.num){
392 sample_aspect_ratio = ist->st->sample_aspect_ratio;
393 }else
394 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
395
396 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
397 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
398 sample_aspect_ratio.num, sample_aspect_ratio.den);
399
400 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
401 "src", args, NULL, ost->graph);
402 if (ret < 0)
403 return ret;
404 ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
405 "out", NULL, &ffsink_ctx, ost->graph);
406 if (ret < 0)
407 return ret;
408 last_filter = ost->input_video_filter;
409
410 if (codec->width != icodec->width || codec->height != icodec->height) {
411 snprintf(args, 255, "%d:%d:flags=0x%X",
412 codec->width,
413 codec->height,
414 ost->sws_flags);
415 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
416 NULL, args, NULL, ost->graph)) < 0)
417 return ret;
418 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
419 return ret;
420 last_filter = filter;
421 }
422
423 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
424 ost->graph->scale_sws_opts = av_strdup(args);
425
426 if (ost->avfilter) {
427 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
428 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
429
430 outputs->name = av_strdup("in");
431 outputs->filter_ctx = last_filter;
432 outputs->pad_idx = 0;
433 outputs->next = NULL;
434
435 inputs->name = av_strdup("out");
436 inputs->filter_ctx = ost->output_video_filter;
437 inputs->pad_idx = 0;
438 inputs->next = NULL;
439
440 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
441 return ret;
442 av_freep(&ost->avfilter);
443 } else {
444 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
445 return ret;
446 }
447
448 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
449 return ret;
450
451 codec->width = ost->output_video_filter->inputs[0]->w;
452 codec->height = ost->output_video_filter->inputs[0]->h;
453 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
bb337b4f 454 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
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455 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
456 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
457
458 return 0;
459}
460#endif /* CONFIG_AVFILTER */
461
462static void term_exit(void)
463{
464 av_log(NULL, AV_LOG_QUIET, "");
465}
466
467static volatile int received_sigterm = 0;
468static volatile int received_nb_signals = 0;
469
470static void
471sigterm_handler(int sig)
472{
473 received_sigterm = sig;
474 received_nb_signals++;
475 term_exit();
476}
477
478static void term_init(void)
479{
480 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
481 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
482#ifdef SIGXCPU
483 signal(SIGXCPU, sigterm_handler);
484#endif
485}
486
487static int decode_interrupt_cb(void)
488{
489 return received_nb_signals > 1;
490}
491
dad09ff9 492void exit_program(int ret)
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493{
494 int i;
495
496 /* close files */
497 for(i=0;i<nb_output_files;i++) {
af70aa45 498 AVFormatContext *s = output_files[i].ctx;
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499 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
500 avio_close(s->pb);
501 avformat_free_context(s);
af70aa45 502 av_dict_free(&output_files[i].opts);
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503 }
504 for(i=0;i<nb_input_files;i++) {
505 av_close_input_file(input_files[i].ctx);
506 }
507 for (i = 0; i < nb_input_streams; i++)
508 av_dict_free(&input_streams[i].opts);
509
510 av_free(intra_matrix);
511 av_free(inter_matrix);
512
513 if (vstats_file)
514 fclose(vstats_file);
515 av_free(vstats_filename);
516
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517 av_freep(&input_streams);
518 av_freep(&input_files);
4288e031 519 av_freep(&output_streams);
af70aa45 520 av_freep(&output_files);
6291d7e4 521
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522 uninit_opts();
523 av_free(audio_buf);
524 av_free(audio_out);
525 allocated_audio_buf_size= allocated_audio_out_size= 0;
526 av_free(samples);
527
528#if CONFIG_AVFILTER
529 avfilter_uninit();
530#endif
531
532 if (received_sigterm) {
533 fprintf(stderr,
534 "Received signal %d: terminating.\n",
535 (int) received_sigterm);
536 exit (255);
537 }
538
539 exit(ret); /* not all OS-es handle main() return value */
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540}
541
542static void assert_avoptions(AVDictionary *m)
543{
544 AVDictionaryEntry *t;
545 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
546 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
547 exit_program(1);
548 }
549}
550
551static void assert_codec_experimental(AVCodecContext *c, int encoder)
552{
553 const char *codec_string = encoder ? "encoder" : "decoder";
554 AVCodec *codec;
555 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
556 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
557 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
558 "results.\nAdd '-strict experimental' if you want to use it.\n",
559 codec_string, c->codec->name);
560 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
561 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
562 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
563 codec_string, codec->name);
564 exit_program(1);
565 }
566}
567
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568static void choose_sample_fmt(AVStream *st, AVCodec *codec)
569{
570 if(codec && codec->sample_fmts){
571 const enum AVSampleFormat *p= codec->sample_fmts;
572 for(; *p!=-1; p++){
573 if(*p == st->codec->sample_fmt)
574 break;
575 }
576 if (*p == -1) {
577 av_log(NULL, AV_LOG_WARNING,
578 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
579 av_get_sample_fmt_name(st->codec->sample_fmt),
580 codec->name,
581 av_get_sample_fmt_name(codec->sample_fmts[0]));
582 st->codec->sample_fmt = codec->sample_fmts[0];
583 }
584 }
585}
586
587/**
588 * Update the requested input sample format based on the output sample format.
589 * This is currently only used to request float output from decoders which
590 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
591 * Ideally this will be removed in the future when decoders do not do format
592 * conversion and only output in their native format.
593 */
594static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
595 AVCodecContext *enc)
596{
597 /* if sample formats match or a decoder sample format has already been
598 requested, just return */
599 if (enc->sample_fmt == dec->sample_fmt ||
600 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
601 return;
602
603 /* if decoder supports more than one output format */
604 if (dec_codec && dec_codec->sample_fmts &&
605 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
606 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
607 const enum AVSampleFormat *p;
608 int min_dec = -1, min_inc = -1;
609
610 /* find a matching sample format in the encoder */
611 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
612 if (*p == enc->sample_fmt) {
613 dec->request_sample_fmt = *p;
614 return;
615 } else if (*p > enc->sample_fmt) {
616 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
617 } else
618 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
619 }
620
621 /* if none match, provide the one that matches quality closest */
622 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
623 enc->sample_fmt - min_dec;
624 }
625}
626
627static void choose_sample_rate(AVStream *st, AVCodec *codec)
628{
629 if(codec && codec->supported_samplerates){
630 const int *p= codec->supported_samplerates;
631 int best=0;
632 int best_dist=INT_MAX;
633 for(; *p; p++){
634 int dist= abs(st->codec->sample_rate - *p);
635 if(dist < best_dist){
636 best_dist= dist;
637 best= *p;
638 }
639 }
640 if(best_dist){
641 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
642 }
643 st->codec->sample_rate= best;
644 }
645}
646
647static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
648{
649 if(codec && codec->pix_fmts){
650 const enum PixelFormat *p= codec->pix_fmts;
651 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
652 if(st->codec->codec_id==CODEC_ID_MJPEG){
653 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
654 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
655 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE};
656 }
657 }
658 for(; *p!=-1; p++){
659 if(*p == st->codec->pix_fmt)
660 break;
661 }
662 if (*p == -1) {
663 if(st->codec->pix_fmt != PIX_FMT_NONE)
664 av_log(NULL, AV_LOG_WARNING,
665 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
666 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
667 codec->name,
668 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
669 st->codec->pix_fmt = codec->pix_fmts[0];
670 }
671 }
672}
673
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674static double
675get_sync_ipts(const OutputStream *ost)
676{
677 const InputStream *ist = ost->sync_ist;
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678 OutputFile *of = &output_files[ost->file_index];
679 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
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680}
681
682static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
683 int ret;
684
685 while(bsfc){
686 AVPacket new_pkt= *pkt;
687 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
688 &new_pkt.data, &new_pkt.size,
689 pkt->data, pkt->size,
690 pkt->flags & AV_PKT_FLAG_KEY);
691 if(a>0){
692 av_free_packet(pkt);
693 new_pkt.destruct= av_destruct_packet;
694 } else if(a<0){
695 fprintf(stderr, "%s failed for stream %d, codec %s",
696 bsfc->filter->name, pkt->stream_index,
697 avctx->codec ? avctx->codec->name : "copy");
698 print_error("", a);
699 if (exit_on_error)
700 exit_program(1);
701 }
702 *pkt= new_pkt;
703
704 bsfc= bsfc->next;
705 }
706
707 ret= av_interleaved_write_frame(s, pkt);
708 if(ret < 0){
709 print_error("av_interleaved_write_frame()", ret);
710 exit_program(1);
711 }
712}
713
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714static void do_audio_out(AVFormatContext *s,
715 OutputStream *ost,
716 InputStream *ist,
717 unsigned char *buf, int size)
718{
719 uint8_t *buftmp;
720 int64_t audio_out_size, audio_buf_size;
721 int64_t allocated_for_size= size;
722
723 int size_out, frame_bytes, ret, resample_changed;
724 AVCodecContext *enc= ost->st->codec;
725 AVCodecContext *dec= ist->st->codec;
726 int osize = av_get_bytes_per_sample(enc->sample_fmt);
727 int isize = av_get_bytes_per_sample(dec->sample_fmt);
728 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
729
730need_realloc:
731 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
732 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
733 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
734 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
735 audio_buf_size*= osize*enc->channels;
736
737 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
738 if(coded_bps > 8*osize)
739 audio_out_size= audio_out_size * coded_bps / (8*osize);
740 audio_out_size += FF_MIN_BUFFER_SIZE;
741
742 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
743 fprintf(stderr, "Buffer sizes too large\n");
744 exit_program(1);
745 }
746
747 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
748 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
749 if (!audio_buf || !audio_out){
750 fprintf(stderr, "Out of memory in do_audio_out\n");
751 exit_program(1);
752 }
753
754 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
755 ost->audio_resample = 1;
756
757 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
758 ost->resample_channels != dec->channels ||
759 ost->resample_sample_rate != dec->sample_rate;
760
761 if ((ost->audio_resample && !ost->resample) || resample_changed) {
762 if (resample_changed) {
763 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",
764 ist->file_index, ist->st->index,
765 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
766 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
767 ost->resample_sample_fmt = dec->sample_fmt;
768 ost->resample_channels = dec->channels;
769 ost->resample_sample_rate = dec->sample_rate;
770 if (ost->resample)
771 audio_resample_close(ost->resample);
772 }
773 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
774 if (audio_sync_method <= 1 &&
775 ost->resample_sample_fmt == enc->sample_fmt &&
776 ost->resample_channels == enc->channels &&
777 ost->resample_sample_rate == enc->sample_rate) {
778 ost->resample = NULL;
779 ost->audio_resample = 0;
780 } else if (ost->audio_resample) {
781 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
782 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
783 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
784 enc->sample_rate, dec->sample_rate,
785 enc->sample_fmt, dec->sample_fmt,
786 16, 10, 0, 0.8);
787 if (!ost->resample) {
788 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
789 dec->channels, dec->sample_rate,
790 enc->channels, enc->sample_rate);
791 exit_program(1);
792 }
793 }
794 }
795
796#define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
797 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
798 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
799 if (ost->reformat_ctx)
800 av_audio_convert_free(ost->reformat_ctx);
801 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
802 dec->sample_fmt, 1, NULL, 0);
803 if (!ost->reformat_ctx) {
804 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
805 av_get_sample_fmt_name(dec->sample_fmt),
806 av_get_sample_fmt_name(enc->sample_fmt));
807 exit_program(1);
808 }
809 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
810 }
811
812 if(audio_sync_method){
813 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
814 - av_fifo_size(ost->fifo)/(enc->channels * 2);
815 double idelta= delta*dec->sample_rate / enc->sample_rate;
816 int byte_delta= ((int)idelta)*2*dec->channels;
817
818 //FIXME resample delay
819 if(fabs(delta) > 50){
820 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
821 if(byte_delta < 0){
822 byte_delta= FFMAX(byte_delta, -size);
823 size += byte_delta;
824 buf -= byte_delta;
825 if(verbose > 2)
826 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
827 if(!size)
828 return;
829 ist->is_start=0;
830 }else{
831 static uint8_t *input_tmp= NULL;
832 input_tmp= av_realloc(input_tmp, byte_delta + size);
833
834 if(byte_delta > allocated_for_size - size){
835 allocated_for_size= byte_delta + (int64_t)size;
836 goto need_realloc;
837 }
838 ist->is_start=0;
839
840 memset(input_tmp, 0, byte_delta);
841 memcpy(input_tmp + byte_delta, buf, size);
842 buf= input_tmp;
843 size += byte_delta;
844 if(verbose > 2)
845 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
846 }
847 }else if(audio_sync_method>1){
848 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
849 av_assert0(ost->audio_resample);
850 if(verbose > 2)
851 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
852// 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));
853 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
854 }
855 }
856 }else
857 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
858 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
859
860 if (ost->audio_resample) {
861 buftmp = audio_buf;
862 size_out = audio_resample(ost->resample,
863 (short *)buftmp, (short *)buf,
864 size / (dec->channels * isize));
865 size_out = size_out * enc->channels * osize;
866 } else {
867 buftmp = buf;
868 size_out = size;
869 }
870
871 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
872 const void *ibuf[6]= {buftmp};
873 void *obuf[6]= {audio_buf};
874 int istride[6]= {isize};
875 int ostride[6]= {osize};
876 int len= size_out/istride[0];
877 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
878 printf("av_audio_convert() failed\n");
879 if (exit_on_error)
880 exit_program(1);
881 return;
882 }
883 buftmp = audio_buf;
884 size_out = len*osize;
885 }
886
887 /* now encode as many frames as possible */
888 if (enc->frame_size > 1) {
889 /* output resampled raw samples */
890 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
891 fprintf(stderr, "av_fifo_realloc2() failed\n");
892 exit_program(1);
893 }
894 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
895
896 frame_bytes = enc->frame_size * osize * enc->channels;
897
898 while (av_fifo_size(ost->fifo) >= frame_bytes) {
899 AVPacket pkt;
900 av_init_packet(&pkt);
901
902 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
903
904 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
905
906 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
907 (short *)audio_buf);
908 if (ret < 0) {
909 fprintf(stderr, "Audio encoding failed\n");
910 exit_program(1);
911 }
912 audio_size += ret;
913 pkt.stream_index= ost->index;
914 pkt.data= audio_out;
915 pkt.size= ret;
916 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
917 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
918 pkt.flags |= AV_PKT_FLAG_KEY;
919 write_frame(s, &pkt, enc, ost->bitstream_filters);
920
921 ost->sync_opts += enc->frame_size;
922 }
923 } else {
924 AVPacket pkt;
925 av_init_packet(&pkt);
926
927 ost->sync_opts += size_out / (osize * enc->channels);
928
929 /* output a pcm frame */
930 /* determine the size of the coded buffer */
931 size_out /= osize;
932 if (coded_bps)
933 size_out = size_out*coded_bps/8;
934
935 if(size_out > audio_out_size){
936 fprintf(stderr, "Internal error, buffer size too small\n");
937 exit_program(1);
938 }
939
940 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
941 ret = avcodec_encode_audio(enc, audio_out, size_out,
942 (short *)buftmp);
943 if (ret < 0) {
944 fprintf(stderr, "Audio encoding failed\n");
945 exit_program(1);
946 }
947 audio_size += ret;
948 pkt.stream_index= ost->index;
949 pkt.data= audio_out;
950 pkt.size= ret;
951 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
952 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
953 pkt.flags |= AV_PKT_FLAG_KEY;
954 write_frame(s, &pkt, enc, ost->bitstream_filters);
955 }
956}
957
958static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
959{
960 AVCodecContext *dec;
961 AVPicture *picture2;
962 AVPicture picture_tmp;
963 uint8_t *buf = 0;
964
965 dec = ist->st->codec;
966
967 /* deinterlace : must be done before any resize */
968 if (do_deinterlace) {
969 int size;
970
971 /* create temporary picture */
972 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
973 buf = av_malloc(size);
974 if (!buf)
975 return;
976
977 picture2 = &picture_tmp;
978 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
979
980 if(avpicture_deinterlace(picture2, picture,
981 dec->pix_fmt, dec->width, dec->height) < 0) {
982 /* if error, do not deinterlace */
983 fprintf(stderr, "Deinterlacing failed\n");
984 av_free(buf);
985 buf = NULL;
986 picture2 = picture;
987 }
988 } else {
989 picture2 = picture;
990 }
991
992 if (picture != picture2)
993 *picture = *picture2;
994 *bufp = buf;
995}
996
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997static void do_subtitle_out(AVFormatContext *s,
998 OutputStream *ost,
999 InputStream *ist,
1000 AVSubtitle *sub,
1001 int64_t pts)
1002{
1003 static uint8_t *subtitle_out = NULL;
1004 int subtitle_out_max_size = 1024 * 1024;
1005 int subtitle_out_size, nb, i;
1006 AVCodecContext *enc;
1007 AVPacket pkt;
1008
1009 if (pts == AV_NOPTS_VALUE) {
1010 fprintf(stderr, "Subtitle packets must have a pts\n");
1011 if (exit_on_error)
1012 exit_program(1);
1013 return;
1014 }
1015
1016 enc = ost->st->codec;
1017
1018 if (!subtitle_out) {
1019 subtitle_out = av_malloc(subtitle_out_max_size);
1020 }
1021
1022 /* Note: DVB subtitle need one packet to draw them and one other
1023 packet to clear them */
1024 /* XXX: signal it in the codec context ? */
1025 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1026 nb = 2;
1027 else
1028 nb = 1;
1029
1030 for(i = 0; i < nb; i++) {
1031 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1032 // start_display_time is required to be 0
1033 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1034 sub->end_display_time -= sub->start_display_time;
1035 sub->start_display_time = 0;
1036 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1037 subtitle_out_max_size, sub);
1038 if (subtitle_out_size < 0) {
1039 fprintf(stderr, "Subtitle encoding failed\n");
1040 exit_program(1);
1041 }
1042
1043 av_init_packet(&pkt);
1044 pkt.stream_index = ost->index;
1045 pkt.data = subtitle_out;
1046 pkt.size = subtitle_out_size;
1047 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1048 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1049 /* XXX: the pts correction is handled here. Maybe handling
1050 it in the codec would be better */
1051 if (i == 0)
1052 pkt.pts += 90 * sub->start_display_time;
1053 else
1054 pkt.pts += 90 * sub->end_display_time;
1055 }
1056 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1057 }
1058}
1059
1060static int bit_buffer_size= 1024*256;
1061static uint8_t *bit_buffer= NULL;
1062
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1063static void do_video_resample(OutputStream *ost,
1064 InputStream *ist,
1065 AVFrame *in_picture,
1066 AVFrame **out_picture)
6291d7e4 1067{
87ef060c
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1068 int resample_changed = 0;
1069 AVCodecContext *dec = ist->st->codec;
1070 *out_picture = in_picture;
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1071
1072 resample_changed = ost->resample_width != dec->width ||
1073 ost->resample_height != dec->height ||
1074 ost->resample_pix_fmt != dec->pix_fmt;
1075
1076 if (resample_changed) {
1077 av_log(NULL, AV_LOG_INFO,
1078 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1079 ist->file_index, ist->st->index,
1080 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1081 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1082 if(!ost->video_resample)
5c59fa56 1083 ost->video_resample = 1;
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1084 }
1085
1086#if !CONFIG_AVFILTER
1087 if (ost->video_resample) {
87ef060c 1088 *out_picture = &ost->pict_tmp;
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1089 if (resample_changed) {
1090 /* initialize a new scaler context */
1091 sws_freeContext(ost->img_resample_ctx);
1092 ost->img_resample_ctx = sws_getContext(
1093 ist->st->codec->width,
1094 ist->st->codec->height,
1095 ist->st->codec->pix_fmt,
1096 ost->st->codec->width,
1097 ost->st->codec->height,
1098 ost->st->codec->pix_fmt,
1099 ost->sws_flags, NULL, NULL, NULL);
1100 if (ost->img_resample_ctx == NULL) {
1101 fprintf(stderr, "Cannot get resampling context\n");
1102 exit_program(1);
1103 }
1104 }
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1105 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1106 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
6291d7e4 1107 }
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1108#else
1109 if (resample_changed) {
1110 avfilter_graph_free(&ost->graph);
1111 if (configure_video_filters(ist, ost)) {
bb337b4f 1112 fprintf(stderr, "Error reinitializing filters!\n");
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1113 exit_program(1);
1114 }
1115 }
6291d7e4 1116#endif
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1117 if (resample_changed) {
1118 ost->resample_width = dec->width;
1119 ost->resample_height = dec->height;
1120 ost->resample_pix_fmt = dec->pix_fmt;
1121 }
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1122}
1123
1124
1125static void do_video_out(AVFormatContext *s,
1126 OutputStream *ost,
1127 InputStream *ist,
1128 AVFrame *in_picture,
1129 int *frame_size, float quality)
1130{
553735f5 1131 int nb_frames, i, ret, format_video_sync;
87ef060c 1132 AVFrame *final_picture;
f593628e 1133 AVCodecContext *enc;
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1134 double sync_ipts;
1135
1136 enc = ost->st->codec;
87ef060c
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1137
1138 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1139
1140 /* by default, we output a single frame */
1141 nb_frames = 1;
1142
1143 *frame_size = 0;
1144
553735f5
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1145 format_video_sync = video_sync_method;
1146 if (format_video_sync < 0)
1147 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1148
1149 if (format_video_sync) {
87ef060c
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1150 double vdelta = sync_ipts - ost->sync_opts;
1151 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1152 if (vdelta < -1.1)
1153 nb_frames = 0;
553735f5 1154 else if (format_video_sync == 2) {
87ef060c
AC
1155 if(vdelta<=-0.6){
1156 nb_frames=0;
1157 }else if(vdelta>0.6)
1158 ost->sync_opts= lrintf(sync_ipts);
1159 }else if (vdelta > 1.1)
1160 nb_frames = lrintf(vdelta);
1161//fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
1162 if (nb_frames == 0){
1163 ++nb_frames_drop;
1164 if (verbose>2)
1165 fprintf(stderr, "*** drop!\n");
1166 }else if (nb_frames > 1) {
1167 nb_frames_dup += nb_frames - 1;
1168 if (verbose>2)
1169 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1170 }
1171 }else
1172 ost->sync_opts= lrintf(sync_ipts);
1173
1174 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1175 if (nb_frames <= 0)
1176 return;
1177
1178 do_video_resample(ost, ist, in_picture, &final_picture);
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1179
1180 /* duplicates frame if needed */
1181 for(i=0;i<nb_frames;i++) {
1182 AVPacket pkt;
1183 av_init_packet(&pkt);
1184 pkt.stream_index= ost->index;
1185
1186 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1187 /* raw pictures are written as AVPicture structure to
bb337b4f 1188 avoid any copies. We support temporarily the older
6291d7e4 1189 method. */
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AC
1190 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1191 enc->coded_frame->top_field_first = in_picture->top_field_first;
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1192 pkt.data= (uint8_t *)final_picture;
1193 pkt.size= sizeof(AVPicture);
1194 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1195 pkt.flags |= AV_PKT_FLAG_KEY;
1196
1197 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
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1198 } else {
1199 AVFrame big_picture;
1200
1201 big_picture= *final_picture;
1202 /* better than nothing: use input picture interlaced
1203 settings */
1204 big_picture.interlaced_frame = in_picture->interlaced_frame;
1205 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1206 if(top_field_first == -1)
1207 big_picture.top_field_first = in_picture->top_field_first;
1208 else
1209 big_picture.top_field_first = top_field_first;
1210 }
1211
f4ad238c 1212 /* handles same_quant here. This is not correct because it may
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1213 not be a global option */
1214 big_picture.quality = quality;
1215 if(!me_threshold)
1216 big_picture.pict_type = 0;
1217// big_picture.pts = AV_NOPTS_VALUE;
1218 big_picture.pts= ost->sync_opts;
1219// big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1220//av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1221 if (ost->forced_kf_index < ost->forced_kf_count &&
1222 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1223 big_picture.pict_type = AV_PICTURE_TYPE_I;
1224 ost->forced_kf_index++;
1225 }
1226 ret = avcodec_encode_video(enc,
1227 bit_buffer, bit_buffer_size,
1228 &big_picture);
1229 if (ret < 0) {
1230 fprintf(stderr, "Video encoding failed\n");
1231 exit_program(1);
1232 }
1233
1234 if(ret>0){
1235 pkt.data= bit_buffer;
1236 pkt.size= ret;
1237 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1238 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1239/*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1240 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1241 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1242
1243 if(enc->coded_frame->key_frame)
1244 pkt.flags |= AV_PKT_FLAG_KEY;
1245 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1246 *frame_size = ret;
1247 video_size += ret;
1248 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1249 // enc->frame_number-1, ret, enc->pict_type);
1250 /* if two pass, output log */
1251 if (ost->logfile && enc->stats_out) {
1252 fprintf(ost->logfile, "%s", enc->stats_out);
1253 }
1254 }
1255 }
1256 ost->sync_opts++;
1257 ost->frame_number++;
1258 }
1259}
1260
1261static double psnr(double d){
1262 return -10.0*log(d)/log(10.0);
1263}
1264
1265static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1266 int frame_size)
1267{
1268 AVCodecContext *enc;
1269 int frame_number;
1270 double ti1, bitrate, avg_bitrate;
1271
1272 /* this is executed just the first time do_video_stats is called */
1273 if (!vstats_file) {
1274 vstats_file = fopen(vstats_filename, "w");
1275 if (!vstats_file) {
1276 perror("fopen");
1277 exit_program(1);
1278 }
1279 }
1280
1281 enc = ost->st->codec;
1282 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1283 frame_number = ost->frame_number;
1284 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1285 if (enc->flags&CODEC_FLAG_PSNR)
1286 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1287
1288 fprintf(vstats_file,"f_size= %6d ", frame_size);
1289 /* compute pts value */
1290 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1291 if (ti1 < 0.01)
1292 ti1 = 0.01;
1293
1294 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1295 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1296 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1297 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1298 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1299 }
1300}
1301
af70aa45 1302static void print_report(OutputFile *output_files,
4288e031 1303 OutputStream *ost_table, int nb_ostreams,
c5ad2c2c 1304 int is_last_report, int64_t timer_start)
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1305{
1306 char buf[1024];
1307 OutputStream *ost;
1308 AVFormatContext *oc;
1309 int64_t total_size;
1310 AVCodecContext *enc;
1311 int frame_number, vid, i;
1312 double bitrate, ti1, pts;
1313 static int64_t last_time = -1;
1314 static int qp_histogram[52];
1315
1316 if (!is_last_report) {
1317 int64_t cur_time;
1318 /* display the report every 0.5 seconds */
1319 cur_time = av_gettime();
1320 if (last_time == -1) {
1321 last_time = cur_time;
1322 return;
1323 }
1324 if ((cur_time - last_time) < 500000)
1325 return;
1326 last_time = cur_time;
1327 }
1328
1329
af70aa45 1330 oc = output_files[0].ctx;
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1331
1332 total_size = avio_size(oc->pb);
1333 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1334 total_size= avio_tell(oc->pb);
1335
1336 buf[0] = '\0';
1337 ti1 = 1e10;
1338 vid = 0;
1339 for(i=0;i<nb_ostreams;i++) {
1340 float q = -1;
4288e031 1341 ost = &ost_table[i];
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1342 enc = ost->st->codec;
1343 if (!ost->st->stream_copy && enc->coded_frame)
1344 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1345 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1346 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1347 }
1348 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1349 float t = (av_gettime()-timer_start) / 1000000.0;
1350
1351 frame_number = ost->frame_number;
1352 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1353 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1354 if(is_last_report)
1355 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1356 if(qp_hist){
1357 int j;
1358 int qp = lrintf(q);
1359 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1360 qp_histogram[qp]++;
1361 for(j=0; j<32; j++)
1362 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1363 }
1364 if (enc->flags&CODEC_FLAG_PSNR){
1365 int j;
1366 double error, error_sum=0;
1367 double scale, scale_sum=0;
1368 char type[3]= {'Y','U','V'};
1369 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1370 for(j=0; j<3; j++){
1371 if(is_last_report){
1372 error= enc->error[j];
1373 scale= enc->width*enc->height*255.0*255.0*frame_number;
1374 }else{
1375 error= enc->coded_frame->error[j];
1376 scale= enc->width*enc->height*255.0*255.0;
1377 }
1378 if(j) scale/=4;
1379 error_sum += error;
1380 scale_sum += scale;
1381 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1382 }
1383 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1384 }
1385 vid = 1;
1386 }
1387 /* compute min output value */
1388 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1389 if ((pts < ti1) && (pts > 0))
1390 ti1 = pts;
1391 }
1392 if (ti1 < 0.01)
1393 ti1 = 0.01;
1394
1395 if (verbose > 0 || is_last_report) {
1396 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1397
1398 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1399 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1400 (double)total_size / 1024, ti1, bitrate);
1401
1402 if (nb_frames_dup || nb_frames_drop)
1403 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1404 nb_frames_dup, nb_frames_drop);
1405
1406 if (verbose >= 0)
1407 fprintf(stderr, "%s \r", buf);
1408
1409 fflush(stderr);
1410 }
1411
1412 if (is_last_report && verbose >= 0){
1413 int64_t raw= audio_size + video_size + extra_size;
1414 fprintf(stderr, "\n");
1415 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1416 video_size/1024.0,
1417 audio_size/1024.0,
1418 extra_size/1024.0,
1419 100.0*(total_size - raw)/raw
1420 );
1421 }
1422}
1423
1424static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1425{
1426 int fill_char = 0x00;
1427 if (sample_fmt == AV_SAMPLE_FMT_U8)
1428 fill_char = 0x80;
1429 memset(buf, fill_char, size);
1430}
1431
b62b5cb6 1432static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
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1433{
1434 int i, ret;
1435
1436 for (i = 0; i < nb_ostreams; i++) {
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1437 OutputStream *ost = &ost_table[i];
1438 AVCodecContext *enc = ost->st->codec;
1439 AVFormatContext *os = output_files[ost->file_index].ctx;
1440
b62b5cb6 1441 if (!ost->encoding_needed)
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1442 continue;
1443
1444 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1445 continue;
1446 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1447 continue;
1448
1449 for(;;) {
1450 AVPacket pkt;
1451 int fifo_bytes;
1452 av_init_packet(&pkt);
1453 pkt.stream_index= ost->index;
1454
1455 switch (ost->st->codec->codec_type) {
1456 case AVMEDIA_TYPE_AUDIO:
1457 fifo_bytes = av_fifo_size(ost->fifo);
1458 ret = 0;
1459 /* encode any samples remaining in fifo */
1460 if (fifo_bytes > 0) {
1461 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1462 int fs_tmp = enc->frame_size;
1463
1464 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1465 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1466 enc->frame_size = fifo_bytes / (osize * enc->channels);
1467 } else { /* pad */
1468 int frame_bytes = enc->frame_size*osize*enc->channels;
1469 if (allocated_audio_buf_size < frame_bytes)
4a4ce2e7 1470 exit_program(1);
6f1c66d5 1471 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
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1472 }
1473
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1474 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1475 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1476 ost->st->time_base.num, enc->sample_rate);
1477 enc->frame_size = fs_tmp;
1478 }
1479 if (ret <= 0) {
1480 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
4a4ce2e7 1481 }
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1482 if (ret < 0) {
1483 fprintf(stderr, "Audio encoding failed\n");
1484 exit_program(1);
1485 }
1486 audio_size += ret;
1487 pkt.flags |= AV_PKT_FLAG_KEY;
1488 break;
1489 case AVMEDIA_TYPE_VIDEO:
1490 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1491 if (ret < 0) {
1492 fprintf(stderr, "Video encoding failed\n");
1493 exit_program(1);
1494 }
1495 video_size += ret;
1496 if(enc->coded_frame && enc->coded_frame->key_frame)
1497 pkt.flags |= AV_PKT_FLAG_KEY;
1498 if (ost->logfile && enc->stats_out) {
1499 fprintf(ost->logfile, "%s", enc->stats_out);
1500 }
1501 break;
1502 default:
1503 ret=-1;
4a4ce2e7 1504 }
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1505
1506 if (ret <= 0)
1507 break;
1508 pkt.data = bit_buffer;
1509 pkt.size = ret;
1510 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1511 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1512 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
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1513 }
1514 }
1515}
1516
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1517/* pkt = NULL means EOF (needed to flush decoder buffers) */
1518static int output_packet(InputStream *ist, int ist_index,
4288e031 1519 OutputStream *ost_table, int nb_ostreams,
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1520 const AVPacket *pkt)
1521{
1522 AVFormatContext *os;
1523 OutputStream *ost;
1524 int ret, i;
1525 int got_output;
1526 AVFrame picture;
1527 void *buffer_to_free = NULL;
1528 static unsigned int samples_size= 0;
1529 AVSubtitle subtitle, *subtitle_to_free;
1530 int64_t pkt_pts = AV_NOPTS_VALUE;
1531#if CONFIG_AVFILTER
1532 int frame_available;
1533#endif
1534 float quality;
1535
1536 AVPacket avpkt;
1537 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1538
1539 if(ist->next_pts == AV_NOPTS_VALUE)
1540 ist->next_pts= ist->pts;
1541
1542 if (pkt == NULL) {
1543 /* EOF handling */
1544 av_init_packet(&avpkt);
1545 avpkt.data = NULL;
1546 avpkt.size = 0;
1547 goto handle_eof;
1548 } else {
1549 avpkt = *pkt;
1550 }
1551
1552 if(pkt->dts != AV_NOPTS_VALUE)
1553 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1554 if(pkt->pts != AV_NOPTS_VALUE)
1555 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1556
1557 //while we have more to decode or while the decoder did output something on EOF
1558 while (avpkt.size > 0 || (!pkt && got_output)) {
1559 uint8_t *data_buf, *decoded_data_buf;
1560 int data_size, decoded_data_size;
1561 handle_eof:
1562 ist->pts= ist->next_pts;
1563
1564 if(avpkt.size && avpkt.size != pkt->size &&
1565 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1566 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1567 ist->showed_multi_packet_warning=1;
1568 }
1569
1570 /* decode the packet if needed */
1571 decoded_data_buf = NULL; /* fail safe */
1572 decoded_data_size= 0;
1573 data_buf = avpkt.data;
1574 data_size = avpkt.size;
1575 subtitle_to_free = NULL;
1576 if (ist->decoding_needed) {
1577 switch(ist->st->codec->codec_type) {
1578 case AVMEDIA_TYPE_AUDIO:{
1579 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1580 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1581 av_free(samples);
1582 samples= av_malloc(samples_size);
1583 }
1584 decoded_data_size= samples_size;
1585 /* XXX: could avoid copy if PCM 16 bits with same
1586 endianness as CPU */
1587 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1588 &avpkt);
1589 if (ret < 0)
1590 return ret;
1591 avpkt.data += ret;
1592 avpkt.size -= ret;
1593 data_size = ret;
1594 got_output = decoded_data_size > 0;
1595 /* Some bug in mpeg audio decoder gives */
1596 /* decoded_data_size < 0, it seems they are overflows */
1597 if (!got_output) {
1598 /* no audio frame */
1599 continue;
1600 }
1601 decoded_data_buf = (uint8_t *)samples;
1602 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1603 (ist->st->codec->sample_rate * ist->st->codec->channels);
1604 break;}
1605 case AVMEDIA_TYPE_VIDEO:
1606 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1607 /* XXX: allocate picture correctly */
1608 avcodec_get_frame_defaults(&picture);
1609 avpkt.pts = pkt_pts;
1610 avpkt.dts = ist->pts;
1611 pkt_pts = AV_NOPTS_VALUE;
1612
1613 ret = avcodec_decode_video2(ist->st->codec,
1614 &picture, &got_output, &avpkt);
f4ad238c 1615 quality = same_quant ? picture.quality : 0;
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1616 if (ret < 0)
1617 return ret;
1618 if (!got_output) {
1619 /* no picture yet */
1620 goto discard_packet;
1621 }
1622 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
1623 if (ist->st->codec->time_base.num != 0) {
1624 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1625 ist->next_pts += ((int64_t)AV_TIME_BASE *
1626 ist->st->codec->time_base.num * ticks) /
1627 ist->st->codec->time_base.den;
1628 }
1629 avpkt.size = 0;
1630 buffer_to_free = NULL;
1631 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1632 break;
1633 case AVMEDIA_TYPE_SUBTITLE:
1634 ret = avcodec_decode_subtitle2(ist->st->codec,
1635 &subtitle, &got_output, &avpkt);
1636 if (ret < 0)
1637 return ret;
1638 if (!got_output) {
1639 goto discard_packet;
1640 }
1641 subtitle_to_free = &subtitle;
1642 avpkt.size = 0;
1643 break;
1644 default:
1645 return -1;
1646 }
1647 } else {
1648 switch(ist->st->codec->codec_type) {
1649 case AVMEDIA_TYPE_AUDIO:
1650 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1651 ist->st->codec->sample_rate;
1652 break;
1653 case AVMEDIA_TYPE_VIDEO:
1654 if (ist->st->codec->time_base.num != 0) {
1655 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1656 ist->next_pts += ((int64_t)AV_TIME_BASE *
1657 ist->st->codec->time_base.num * ticks) /
1658 ist->st->codec->time_base.den;
1659 }
1660 break;
1661 }
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1662 avpkt.size = 0;
1663 }
1664
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1665 // preprocess audio (volume)
1666 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1667 if (audio_volume != 256) {
1668 short *volp;
1669 volp = samples;
1670 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1671 int v = ((*volp) * audio_volume + 128) >> 8;
6c7ee2f7 1672 *volp++ = av_clip_int16(v);
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1673 }
1674 }
1675 }
1676
1677 /* frame rate emulation */
1678 if (rate_emu) {
1679 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1680 int64_t now = av_gettime() - ist->start;
1681 if (pts > now)
1682 usleep(pts - now);
1683 }
1684 /* if output time reached then transcode raw format,
1685 encode packets and output them */
ea065176 1686 for (i = 0; i < nb_ostreams; i++) {
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1687 OutputFile *of = &output_files[ost_table[i].file_index];
1688 int frame_size;
6291d7e4 1689
45f86128
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1690 ost = &ost_table[i];
1691 if (ost->source_index != ist_index)
1692 continue;
f1176d41 1693
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1694 if (of->start_time && ist->pts < of->start_time)
1695 continue;
ea065176 1696
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1697 if (of->recording_time != INT64_MAX &&
1698 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1699 (AVRational){1, 1000000}) >= 0) {
1700 ost->is_past_recording_time = 1;
1701 continue;
1702 }
ef44a607 1703
6291d7e4 1704#if CONFIG_AVFILTER
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1705 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1706 ost->input_video_filter) {
1707 AVRational sar;
1708 if (ist->st->sample_aspect_ratio.num)
1709 sar = ist->st->sample_aspect_ratio;
1710 else
1711 sar = ist->st->codec->sample_aspect_ratio;
1712 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, ist->pts, sar);
1713 }
1714 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1715 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1716 while (frame_available) {
1717 AVRational ist_pts_tb;
1718 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
1719 get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
1720 if (ost->picref)
1721 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
6291d7e4 1722#endif
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1723 os = output_files[ost->file_index].ctx;
1724
1725 /* set the input output pts pairs */
1726 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1727
1728 if (ost->encoding_needed) {
1729 av_assert0(ist->decoding_needed);
1730 switch(ost->st->codec->codec_type) {
1731 case AVMEDIA_TYPE_AUDIO:
1732 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1733 break;
1734 case AVMEDIA_TYPE_VIDEO:
6291d7e4 1735#if CONFIG_AVFILTER
45f86128
AK
1736 if (ost->picref->video && !ost->frame_aspect_ratio)
1737 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
6291d7e4 1738#endif
45f86128
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1739 do_video_out(os, ost, ist, &picture, &frame_size,
1740 same_quant ? quality : ost->st->codec->global_quality);
1741 if (vstats_filename && frame_size)
1742 do_video_stats(os, ost, frame_size);
1743 break;
1744 case AVMEDIA_TYPE_SUBTITLE:
1745 do_subtitle_out(os, ost, ist, &subtitle,
1746 pkt->pts);
1747 break;
1748 default:
1749 abort();
1750 }
1751 } else {
1752 AVFrame avframe; //FIXME/XXX remove this
1753 AVPacket opkt;
1754 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
6291d7e4 1755
45f86128 1756 av_init_packet(&opkt);
6291d7e4 1757
45f86128 1758 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
6291d7e4 1759#if !CONFIG_AVFILTER
45f86128 1760 continue;
6291d7e4 1761#else
45f86128 1762 goto cont;
6291d7e4
AK
1763#endif
1764
45f86128
AK
1765 /* no reencoding needed : output the packet directly */
1766 /* force the input stream PTS */
1767
1768 avcodec_get_frame_defaults(&avframe);
1769 ost->st->codec->coded_frame= &avframe;
1770 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1771
1772 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1773 audio_size += data_size;
1774 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1775 video_size += data_size;
1776 ost->sync_opts++;
6291d7e4 1777 }
45f86128
AK
1778
1779 opkt.stream_index= ost->index;
1780 if(pkt->pts != AV_NOPTS_VALUE)
1781 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1782 else
1783 opkt.pts= AV_NOPTS_VALUE;
1784
1785 if (pkt->dts == AV_NOPTS_VALUE)
1786 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1787 else
1788 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1789 opkt.dts -= ost_tb_start_time;
1790
1791 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1792 opkt.flags= pkt->flags;
1793
1794 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1795 if( ost->st->codec->codec_id != CODEC_ID_H264
1796 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1797 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1798 ) {
1799 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1800 opkt.destruct= av_destruct_packet;
1801 } else {
1802 opkt.data = data_buf;
1803 opkt.size = data_size;
1804 }
1805
1806 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1807 ost->st->codec->frame_number++;
1808 ost->frame_number++;
1809 av_free_packet(&opkt);
6291d7e4 1810 }
45f86128
AK
1811#if CONFIG_AVFILTER
1812 cont:
1813 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1814 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1815 if (ost->picref)
1816 avfilter_unref_buffer(ost->picref);
1817 }
6291d7e4 1818#endif
6291d7e4
AK
1819 }
1820
1821 av_free(buffer_to_free);
1822 /* XXX: allocate the subtitles in the codec ? */
1823 if (subtitle_to_free) {
1824 avsubtitle_free(subtitle_to_free);
1825 subtitle_to_free = NULL;
1826 }
1827 }
1828 discard_packet:
6291d7e4
AK
1829
1830 return 0;
1831}
1832
af70aa45 1833static void print_sdp(OutputFile *output_files, int n)
6291d7e4
AK
1834{
1835 char sdp[2048];
af70aa45
AK
1836 int i;
1837 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1838
1839 if (!avc)
1840 exit_program(1);
1841 for (i = 0; i < n; i++)
1842 avc[i] = output_files[i].ctx;
6291d7e4
AK
1843
1844 av_sdp_create(avc, n, sdp, sizeof(sdp));
1845 printf("SDP:\n%s\n", sdp);
1846 fflush(stdout);
af70aa45 1847 av_freep(&avc);
6291d7e4
AK
1848}
1849
630902a1
AK
1850static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1851 char *error, int error_len)
1852{
1853 int i;
1854 InputStream *ist = &input_streams[ist_index];
1855 if (ist->decoding_needed) {
1856 AVCodec *codec = ist->dec;
630902a1 1857 if (!codec) {
62486948 1858 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d.%d",
630902a1
AK
1859 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1860 return AVERROR(EINVAL);
1861 }
1862
1863 /* update requested sample format for the decoder based on the
1864 corresponding encoder sample format */
1865 for (i = 0; i < nb_output_streams; i++) {
1866 OutputStream *ost = &output_streams[i];
1867 if (ost->source_index == ist_index) {
1868 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1869 break;
1870 }
1871 }
1872
1873 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
62486948 1874 snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
630902a1
AK
1875 ist->file_index, ist->st->index);
1876 return AVERROR(EINVAL);
1877 }
1878 assert_codec_experimental(ist->st->codec, 0);
1879 assert_avoptions(ist->opts);
1880 }
1881
1882 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;
1883 ist->next_pts = AV_NOPTS_VALUE;
1884 init_pts_correction(&ist->pts_ctx);
1885 ist->is_start = 1;
1886
1887 return 0;
1888}
1889
eaf2d37a
AC
1890static int transcode_init(OutputFile *output_files,
1891 int nb_output_files,
1892 InputFile *input_files,
1893 int nb_input_files)
6291d7e4 1894{
630902a1 1895 int ret = 0, i;
eaf2d37a 1896 AVFormatContext *os;
6291d7e4 1897 AVCodecContext *codec, *icodec;
4288e031 1898 OutputStream *ost;
6291d7e4
AK
1899 InputStream *ist;
1900 char error[1024];
1901 int want_sdp = 1;
b0c9e8e0 1902
6291d7e4
AK
1903 if (rate_emu)
1904 for (i = 0; i < nb_input_streams; i++)
1905 input_streams[i].start = av_gettime();
1906
1907 /* output stream init */
6291d7e4 1908 for(i=0;i<nb_output_files;i++) {
af70aa45 1909 os = output_files[i].ctx;
6291d7e4 1910 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
af70aa45 1911 av_dump_format(os, i, os->filename, 1);
6291d7e4 1912 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
eaf2d37a 1913 return AVERROR(EINVAL);
6291d7e4 1914 }
6291d7e4
AK
1915 }
1916
1917 /* for each output stream, we compute the right encoding parameters */
4288e031
AK
1918 for (i = 0; i < nb_output_streams; i++) {
1919 ost = &output_streams[i];
af70aa45 1920 os = output_files[ost->file_index].ctx;
6291d7e4
AK
1921 ist = &input_streams[ost->source_index];
1922
1923 codec = ost->st->codec;
1924 icodec = ist->st->codec;
1925
6291d7e4
AK
1926 ost->st->disposition = ist->st->disposition;
1927 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1928 codec->chroma_sample_location = icodec->chroma_sample_location;
1929
1930 if (ost->st->stream_copy) {
1931 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1932
e6d2b737 1933 if (extra_size > INT_MAX) {
eaf2d37a 1934 return AVERROR(EINVAL);
e6d2b737 1935 }
6291d7e4
AK
1936
1937 /* if stream_copy is selected, no need to decode or encode */
1938 codec->codec_id = icodec->codec_id;
1939 codec->codec_type = icodec->codec_type;
1940
1941 if(!codec->codec_tag){
1942 if( !os->oformat->codec_tag
1943 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1944 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1945 codec->codec_tag = icodec->codec_tag;
1946 }
1947
1948 codec->bit_rate = icodec->bit_rate;
1949 codec->rc_max_rate = icodec->rc_max_rate;
1950 codec->rc_buffer_size = icodec->rc_buffer_size;
1951 codec->extradata= av_mallocz(extra_size);
e6d2b737 1952 if (!codec->extradata) {
eaf2d37a 1953 return AVERROR(ENOMEM);
e6d2b737 1954 }
6291d7e4
AK
1955 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1956 codec->extradata_size= icodec->extradata_size;
1957 if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
1958 codec->time_base = icodec->time_base;
1959 codec->time_base.num *= icodec->ticks_per_frame;
1960 av_reduce(&codec->time_base.num, &codec->time_base.den,
1961 codec->time_base.num, codec->time_base.den, INT_MAX);
1962 }else
1963 codec->time_base = ist->st->time_base;
1964 switch(codec->codec_type) {
1965 case AVMEDIA_TYPE_AUDIO:
1966 if(audio_volume != 256) {
1967 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1968 exit_program(1);
1969 }
1970 codec->channel_layout = icodec->channel_layout;
1971 codec->sample_rate = icodec->sample_rate;
1972 codec->channels = icodec->channels;
1973 codec->frame_size = icodec->frame_size;
1974 codec->audio_service_type = icodec->audio_service_type;
1975 codec->block_align= icodec->block_align;
1976 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1977 codec->block_align= 0;
1978 if(codec->codec_id == CODEC_ID_AC3)
1979 codec->block_align= 0;
1980 break;
1981 case AVMEDIA_TYPE_VIDEO:
1982 codec->pix_fmt = icodec->pix_fmt;
1983 codec->width = icodec->width;
1984 codec->height = icodec->height;
1985 codec->has_b_frames = icodec->has_b_frames;
1986 if (!codec->sample_aspect_ratio.num) {
1987 codec->sample_aspect_ratio =
1988 ost->st->sample_aspect_ratio =
1989 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1990 ist->st->codec->sample_aspect_ratio.num ?
1991 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1992 }
1993 break;
1994 case AVMEDIA_TYPE_SUBTITLE:
1995 codec->width = icodec->width;
1996 codec->height = icodec->height;
1997 break;
1998 case AVMEDIA_TYPE_DATA:
1999 break;
2000 default:
2001 abort();
2002 }
2003 } else {
2004 if (!ost->enc)
2005 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2006 switch(codec->codec_type) {
2007 case AVMEDIA_TYPE_AUDIO:
2008 ost->fifo= av_fifo_alloc(1024);
e6d2b737 2009 if (!ost->fifo) {
eaf2d37a 2010 return AVERROR(ENOMEM);
e6d2b737 2011 }
6291d7e4
AK
2012 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2013 if (!codec->sample_rate) {
2014 codec->sample_rate = icodec->sample_rate;
2015 if (icodec->lowres)
2016 codec->sample_rate >>= icodec->lowres;
2017 }
2018 choose_sample_rate(ost->st, ost->enc);
2019 codec->time_base = (AVRational){1, codec->sample_rate};
2020 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2021 codec->sample_fmt = icodec->sample_fmt;
2022 choose_sample_fmt(ost->st, ost->enc);
2023 if (!codec->channels)
2024 codec->channels = icodec->channels;
2025 codec->channel_layout = icodec->channel_layout;
2026 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2027 codec->channel_layout = 0;
2028 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2029 icodec->request_channels = codec->channels;
2030 ist->decoding_needed = 1;
2031 ost->encoding_needed = 1;
2032 ost->resample_sample_fmt = icodec->sample_fmt;
2033 ost->resample_sample_rate = icodec->sample_rate;
2034 ost->resample_channels = icodec->channels;
2035 break;
2036 case AVMEDIA_TYPE_VIDEO:
2037 if (codec->pix_fmt == PIX_FMT_NONE)
2038 codec->pix_fmt = icodec->pix_fmt;
2039 choose_pixel_fmt(ost->st, ost->enc);
2040
2041 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2042 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2043 exit_program(1);
2044 }
2045
2046 if (!codec->width || !codec->height) {
2047 codec->width = icodec->width;
2048 codec->height = icodec->height;
2049 }
2050
2051 ost->video_resample = codec->width != icodec->width ||
2052 codec->height != icodec->height ||
2053 codec->pix_fmt != icodec->pix_fmt;
2054 if (ost->video_resample) {
2055#if !CONFIG_AVFILTER
2056 avcodec_get_frame_defaults(&ost->pict_tmp);
2057 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2058 codec->width, codec->height)) {
2059 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
2060 exit_program(1);
2061 }
2062 ost->img_resample_ctx = sws_getContext(
2063 icodec->width,
2064 icodec->height,
2065 icodec->pix_fmt,
2066 codec->width,
2067 codec->height,
2068 codec->pix_fmt,
2069 ost->sws_flags, NULL, NULL, NULL);
2070 if (ost->img_resample_ctx == NULL) {
2071 fprintf(stderr, "Cannot get resampling context\n");
2072 exit_program(1);
2073 }
2074#endif
2075 codec->bits_per_raw_sample= 0;
2076 }
2077
2078 ost->resample_height = icodec->height;
2079 ost->resample_width = icodec->width;
2080 ost->resample_pix_fmt= icodec->pix_fmt;
2081 ost->encoding_needed = 1;
2082 ist->decoding_needed = 1;
2083
2084 if (!ost->frame_rate.num)
2085 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2086 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2087 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2088 ost->frame_rate = ost->enc->supported_framerates[idx];
2089 }
2090 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2091
2092#if CONFIG_AVFILTER
2093 if (configure_video_filters(ist, ost)) {
2094 fprintf(stderr, "Error opening filters!\n");
2095 exit(1);
2096 }
2097#endif
2098 break;
2099 case AVMEDIA_TYPE_SUBTITLE:
2100 ost->encoding_needed = 1;
2101 ist->decoding_needed = 1;
2102 break;
2103 default:
2104 abort();
2105 break;
2106 }
2107 /* two pass mode */
2108 if (ost->encoding_needed &&
2109 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2110 char logfilename[1024];
2111 FILE *f;
2112
2113 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2114 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2115 i);
2116 if (codec->flags & CODEC_FLAG_PASS1) {
2117 f = fopen(logfilename, "wb");
2118 if (!f) {
2119 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2120 exit_program(1);
2121 }
2122 ost->logfile = f;
2123 } else {
2124 char *logbuffer;
2125 size_t logbuffer_size;
2126 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2127 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2128 exit_program(1);
2129 }
2130 codec->stats_in = logbuffer;
2131 }
2132 }
2133 }
2134 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2135 int size= codec->width * codec->height;
2136 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
2137 }
2138 }
2139
2140 if (!bit_buffer)
2141 bit_buffer = av_malloc(bit_buffer_size);
2142 if (!bit_buffer) {
2143 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2144 bit_buffer_size);
eaf2d37a 2145 return AVERROR(ENOMEM);
6291d7e4
AK
2146 }
2147
2148 /* open each encoder */
4288e031
AK
2149 for (i = 0; i < nb_output_streams; i++) {
2150 ost = &output_streams[i];
6291d7e4
AK
2151 if (ost->encoding_needed) {
2152 AVCodec *codec = ost->enc;
2153 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2154 if (!codec) {
2155 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2156 ost->st->codec->codec_id, ost->file_index, ost->index);
2157 ret = AVERROR(EINVAL);
2158 goto dump_format;
2159 }
2160 if (dec->subtitle_header) {
2161 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2162 if (!ost->st->codec->subtitle_header) {
2163 ret = AVERROR(ENOMEM);
2164 goto dump_format;
2165 }
2166 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2167 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2168 }
2169 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2170 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2171 ost->file_index, ost->index);
2172 ret = AVERROR(EINVAL);
2173 goto dump_format;
2174 }
2175 assert_codec_experimental(ost->st->codec, 1);
2176 assert_avoptions(ost->opts);
2177 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2178 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2179 "It takes bits/s as argument, not kbits/s\n");
2180 extra_size += ost->st->codec->extradata_size;
2181 }
2182 }
2183
630902a1
AK
2184 /* init input streams */
2185 for (i = 0; i < nb_input_streams; i++)
62486948 2186 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
630902a1 2187 goto dump_format;
6291d7e4 2188
6291d7e4 2189 /* open files and write file headers */
af70aa45
AK
2190 for (i = 0; i < nb_output_files; i++) {
2191 os = output_files[i].ctx;
2192 if (avformat_write_header(os, &output_files[i].opts) < 0) {
6291d7e4
AK
2193 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2194 ret = AVERROR(EINVAL);
2195 goto dump_format;
2196 }
af70aa45
AK
2197 assert_avoptions(output_files[i].opts);
2198 if (strcmp(os->oformat->name, "rtp")) {
6291d7e4
AK
2199 want_sdp = 0;
2200 }
2201 }
2202
2203 dump_format:
2204 /* dump the file output parameters - cannot be done before in case
2205 of stream copy */
2206 for(i=0;i<nb_output_files;i++) {
af70aa45 2207 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
6291d7e4
AK
2208 }
2209
2210 /* dump the stream mapping */
2211 if (verbose >= 0) {
2212 fprintf(stderr, "Stream mapping:\n");
4288e031
AK
2213 for (i = 0; i < nb_output_streams;i ++) {
2214 ost = &output_streams[i];
6291d7e4
AK
2215 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2216 input_streams[ost->source_index].file_index,
2217 input_streams[ost->source_index].st->index,
2218 ost->file_index,
2219 ost->index);
2220 if (ost->sync_ist != &input_streams[ost->source_index])
2221 fprintf(stderr, " [sync #%d.%d]",
2222 ost->sync_ist->file_index,
2223 ost->sync_ist->st->index);
ad42126a
AK
2224 if (ost->st->stream_copy)
2225 fprintf(stderr, " (copy)");
bc8c5051
NG
2226 else
2227 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2228 input_streams[ost->source_index].dec->name : "?",
2229 ost->enc ? ost->enc->name : "?");
6291d7e4
AK
2230 fprintf(stderr, "\n");
2231 }
2232 }
2233
2234 if (ret) {
2235 fprintf(stderr, "%s\n", error);
eaf2d37a 2236 return ret;
6291d7e4
AK
2237 }
2238
2239 if (want_sdp) {
2240 print_sdp(output_files, nb_output_files);
2241 }
2242
eaf2d37a
AC
2243 return 0;
2244}
2245
2246/*
2247 * The following code is the main loop of the file converter
2248 */
2249static int transcode(OutputFile *output_files,
2250 int nb_output_files,
2251 InputFile *input_files,
2252 int nb_input_files)
2253{
2254 int ret, i;
2255 AVFormatContext *is, *os;
2256 OutputStream *ost;
2257 InputStream *ist;
2258 uint8_t *no_packet;
2259 int no_packet_count=0;
2260 int64_t timer_start;
2261
2262 if (!(no_packet = av_mallocz(nb_input_files)))
2263 exit_program(1);
2264
2265 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2266 if (ret < 0)
2267 goto fail;
2268
6291d7e4
AK
2269 if (verbose >= 0)
2270 fprintf(stderr, "Press ctrl-c to stop encoding\n");
2271 term_init();
2272
2273 timer_start = av_gettime();
2274
2275 for(; received_sigterm == 0;) {
2276 int file_index, ist_index;
2277 AVPacket pkt;
9be3c124 2278 int64_t ipts_min;
6291d7e4
AK
2279 double opts_min;
2280
9be3c124 2281 ipts_min = INT64_MAX;
6291d7e4
AK
2282 opts_min= 1e100;
2283
2284 /* select the stream that we must read now by looking at the
2285 smallest output pts */
2286 file_index = -1;
4288e031 2287 for (i = 0; i < nb_output_streams; i++) {
f21f294e 2288 OutputFile *of;
9be3c124
AC
2289 int64_t ipts;
2290 double opts;
4288e031 2291 ost = &output_streams[i];
f21f294e 2292 of = &output_files[ost->file_index];
af70aa45 2293 os = output_files[ost->file_index].ctx;
6291d7e4 2294 ist = &input_streams[ost->source_index];
f21f294e
AK
2295 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2296 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
6291d7e4 2297 continue;
c0931508 2298 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
9be3c124 2299 ipts = ist->pts;
6291d7e4
AK
2300 if (!input_files[ist->file_index].eof_reached){
2301 if(ipts < ipts_min) {
2302 ipts_min = ipts;
2303 if(input_sync ) file_index = ist->file_index;
2304 }
2305 if(opts < opts_min) {
2306 opts_min = opts;
2307 if(!input_sync) file_index = ist->file_index;
2308 }
2309 }
2310 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2311 file_index= -1;
2312 break;
2313 }
2314 }
2315 /* if none, if is finished */
2316 if (file_index < 0) {
2317 if(no_packet_count){
2318 no_packet_count=0;
b0c9e8e0 2319 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
2320 usleep(10000);
2321 continue;
2322 }
2323 break;
2324 }
2325
6291d7e4
AK
2326 /* read a frame from it and output it in the fifo */
2327 is = input_files[file_index].ctx;
2328 ret= av_read_frame(is, &pkt);
2329 if(ret == AVERROR(EAGAIN)){
2330 no_packet[file_index]=1;
2331 no_packet_count++;
2332 continue;
2333 }
2334 if (ret < 0) {
2335 input_files[file_index].eof_reached = 1;
2336 if (opt_shortest)
2337 break;
2338 else
2339 continue;
2340 }
2341
2342 no_packet_count=0;
b0c9e8e0 2343 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
2344
2345 if (do_pkt_dump) {
2346 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2347 is->streams[pkt.stream_index]);
2348 }
2349 /* the following test is needed in case new streams appear
2350 dynamically in stream : we ignore them */
ed5b1326 2351 if (pkt.stream_index >= input_files[file_index].nb_streams)
6291d7e4
AK
2352 goto discard_packet;
2353 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2354 ist = &input_streams[ist_index];
2355 if (ist->discard)
2356 goto discard_packet;
2357
2358 if (pkt.dts != AV_NOPTS_VALUE)
2359 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2360 if (pkt.pts != AV_NOPTS_VALUE)
2361 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2362
2363 if (ist->ts_scale) {
2364 if(pkt.pts != AV_NOPTS_VALUE)
2365 pkt.pts *= ist->ts_scale;
2366 if(pkt.dts != AV_NOPTS_VALUE)
2367 pkt.dts *= ist->ts_scale;
2368 }
2369
2370// fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files[ist->file_index].ts_offset, ist->st->codec->codec_type);
2371 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2372 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2373 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2374 int64_t delta= pkt_dts - ist->next_pts;
2375 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2376 input_files[ist->file_index].ts_offset -= delta;
2377 if (verbose > 2)
2378 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2379 delta, input_files[ist->file_index].ts_offset);
2380 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2381 if(pkt.pts != AV_NOPTS_VALUE)
2382 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2383 }
2384 }
2385
6291d7e4 2386 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
4288e031 2387 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
6291d7e4
AK
2388
2389 if (verbose >= 0)
2390 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2391 ist->file_index, ist->st->index);
2392 if (exit_on_error)
2393 exit_program(1);
2394 av_free_packet(&pkt);
b9630bcf 2395 continue;
6291d7e4
AK
2396 }
2397
2398 discard_packet:
2399 av_free_packet(&pkt);
2400
2401 /* dump report by using the output first video and audio streams */
c5ad2c2c 2402 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
6291d7e4
AK
2403 }
2404
2405 /* at the end of stream, we must flush the decoder buffers */
2406 for (i = 0; i < nb_input_streams; i++) {
2407 ist = &input_streams[i];
2408 if (ist->decoding_needed) {
4288e031 2409 output_packet(ist, i, output_streams, nb_output_streams, NULL);
6291d7e4
AK
2410 }
2411 }
b62b5cb6 2412 flush_encoders(output_streams, nb_output_streams);
6291d7e4
AK
2413
2414 term_exit();
2415
2416 /* write the trailer if needed and close file */
2417 for(i=0;i<nb_output_files;i++) {
af70aa45 2418 os = output_files[i].ctx;
6291d7e4
AK
2419 av_write_trailer(os);
2420 }
2421
2422 /* dump report by using the first video and audio streams */
c5ad2c2c 2423 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
6291d7e4
AK
2424
2425 /* close each encoder */
4288e031
AK
2426 for (i = 0; i < nb_output_streams; i++) {
2427 ost = &output_streams[i];
6291d7e4
AK
2428 if (ost->encoding_needed) {
2429 av_freep(&ost->st->codec->stats_in);
2430 avcodec_close(ost->st->codec);
2431 }
2432#if CONFIG_AVFILTER
2433 avfilter_graph_free(&ost->graph);
2434#endif
2435 }
2436
2437 /* close each decoder */
2438 for (i = 0; i < nb_input_streams; i++) {
2439 ist = &input_streams[i];
2440 if (ist->decoding_needed) {
2441 avcodec_close(ist->st->codec);
2442 }
2443 }
2444
2445 /* finished ! */
2446 ret = 0;
2447
2448 fail:
2449 av_freep(&bit_buffer);
b0c9e8e0 2450 av_freep(&no_packet);
6291d7e4 2451
4288e031
AK
2452 if (output_streams) {
2453 for (i = 0; i < nb_output_streams; i++) {
2454 ost = &output_streams[i];
6291d7e4
AK
2455 if (ost) {
2456 if (ost->st->stream_copy)
2457 av_freep(&ost->st->codec->extradata);
2458 if (ost->logfile) {
2459 fclose(ost->logfile);
2460 ost->logfile = NULL;
2461 }
2462 av_fifo_free(ost->fifo); /* works even if fifo is not
2463 initialized but set to zero */
2464 av_freep(&ost->st->codec->subtitle_header);
2465 av_free(ost->pict_tmp.data[0]);
2466 av_free(ost->forced_kf_pts);
2467 if (ost->video_resample)
2468 sws_freeContext(ost->img_resample_ctx);
2469 if (ost->resample)
2470 audio_resample_close(ost->resample);
2471 if (ost->reformat_ctx)
2472 av_audio_convert_free(ost->reformat_ctx);
2473 av_dict_free(&ost->opts);
6291d7e4
AK
2474 }
2475 }
6291d7e4
AK
2476 }
2477 return ret;
2478}
2479
6291d7e4
AK
2480static int opt_video_rc_override_string(const char *opt, const char *arg)
2481{
2482 video_rc_override_string = arg;
2483 return 0;
2484}
2485
2486static int opt_me_threshold(const char *opt, const char *arg)
2487{
2488 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2489 return 0;
2490}
2491
2492static int opt_verbose(const char *opt, const char *arg)
2493{
2494 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2495 return 0;
2496}
2497
2498static int opt_frame_rate(const char *opt, const char *arg)
2499{
2500 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2501 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2502 exit_program(1);
2503 }
2504 return 0;
2505}
2506
6291d7e4
AK
2507static int opt_frame_size(const char *opt, const char *arg)
2508{
2509 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2510 fprintf(stderr, "Incorrect frame size\n");
2511 return AVERROR(EINVAL);
2512 }
2513 return 0;
2514}
2515
6291d7e4
AK
2516static int opt_frame_pix_fmt(const char *opt, const char *arg)
2517{
2518 if (strcmp(arg, "list")) {
2519 frame_pix_fmt = av_get_pix_fmt(arg);
2520 if (frame_pix_fmt == PIX_FMT_NONE) {
2521 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2522 return AVERROR(EINVAL);
2523 }
2524 } else {
2525 show_pix_fmts();
2526 exit_program(0);
2527 }
2528 return 0;
2529}
2530
2531static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2532{
2533 int x = 0, y = 0;
2534 double ar = 0;
2535 const char *p;
2536 char *end;
2537
2538 p = strchr(arg, ':');
2539 if (p) {
2540 x = strtol(arg, &end, 10);
2541 if (end == p)
2542 y = strtol(end+1, &end, 10);
2543 if (x > 0 && y > 0)
2544 ar = (double)x / (double)y;
2545 } else
2546 ar = strtod(arg, NULL);
2547
2548 if (!ar) {
2549 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2550 return AVERROR(EINVAL);
2551 }
2552 frame_aspect_ratio = ar;
2553 return 0;
2554}
2555
2556static int opt_metadata(const char *opt, const char *arg)
2557{
2558 char *mid= strchr(arg, '=');
2559
2560 if(!mid){
2561 fprintf(stderr, "Missing =\n");
2562 exit_program(1);
2563 }
2564 *mid++= 0;
2565
2566 av_dict_set(&metadata, arg, mid, 0);
2567
2568 return 0;
2569}
2570
2571static int opt_qscale(const char *opt, const char *arg)
2572{
2573 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2574 if (video_qscale == 0) {
2575 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2576 return AVERROR(EINVAL);
2577 }
2578 return 0;
2579}
2580
2581static int opt_top_field_first(const char *opt, const char *arg)
2582{
2583 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2584 return 0;
2585}
2586
6291d7e4
AK
2587static int opt_audio_sample_fmt(const char *opt, const char *arg)
2588{
2589 if (strcmp(arg, "list")) {
2590 audio_sample_fmt = av_get_sample_fmt(arg);
2591 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2592 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2593 return AVERROR(EINVAL);
2594 }
2595 } else {
2596 int i;
2597 char fmt_str[128];
2598 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2599 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2600 exit_program(0);
2601 }
2602 return 0;
2603}
2604
2605static int opt_audio_rate(const char *opt, const char *arg)
2606{
2607 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2608 return 0;
2609}
2610
2611static int opt_audio_channels(const char *opt, const char *arg)
2612{
2613 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2614 return 0;
2615}
2616
35e6f8c1 2617static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2618{
35e6f8c1 2619 return parse_option(o, "codec:a", arg, options);
6291d7e4
AK
2620}
2621
35e6f8c1 2622static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2623{
35e6f8c1 2624 return parse_option(o, "codec:v", arg, options);
6291d7e4
AK
2625}
2626
35e6f8c1 2627static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2628{
35e6f8c1 2629 return parse_option(o, "codec:s", arg, options);
6291d7e4
AK
2630}
2631
35e6f8c1 2632static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2633{
35e6f8c1 2634 return parse_option(o, "codec:d", arg, options);
6291d7e4
AK
2635}
2636
2637static int opt_codec_tag(const char *opt, const char *arg)
2638{
2639 char *tail;
2640 uint32_t *codec_tag;
2641
2642 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2643 !strcmp(opt, "vtag") ? &video_codec_tag :
2644 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2645 if (!codec_tag)
2646 return -1;
2647
2648 *codec_tag = strtol(arg, &tail, 0);
2649 if (!tail || *tail)
2650 *codec_tag = AV_RL32(arg);
2651
2652 return 0;
2653}
2654
575ec4e1 2655static int opt_map(OptionsContext *o, const char *opt, const char *arg)
6291d7e4 2656{
8d2e4a7e
AK
2657 StreamMap *m = NULL;
2658 int i, negative = 0, file_idx;
2659 int sync_file_idx = -1, sync_stream_idx;
2660 char *p, *sync;
2661 char *map;
6291d7e4 2662
8d2e4a7e
AK
2663 if (*arg == '-') {
2664 negative = 1;
2665 arg++;
2666 }
2667 map = av_strdup(arg);
6291d7e4 2668
8d2e4a7e
AK
2669 /* parse sync stream first, just pick first matching stream */
2670 if (sync = strchr(map, ',')) {
2671 *sync = 0;
2672 sync_file_idx = strtol(sync + 1, &sync, 0);
2673 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2674 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2675 exit_program(1);
2676 }
2677 if (*sync)
2678 sync++;
ed5b1326 2679 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
8d2e4a7e
AK
2680 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2681 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2682 sync_stream_idx = i;
2683 break;
2684 }
ed5b1326 2685 if (i == input_files[sync_file_idx].nb_streams) {
8d2e4a7e
AK
2686 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2687 "match any streams.\n", arg);
2688 exit_program(1);
2689 }
2690 }
6291d7e4 2691
8d2e4a7e
AK
2692
2693 file_idx = strtol(map, &p, 0);
2694 if (file_idx >= nb_input_files || file_idx < 0) {
2695 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2696 exit_program(1);
6291d7e4 2697 }
8d2e4a7e
AK
2698 if (negative)
2699 /* disable some already defined maps */
575ec4e1
AK
2700 for (i = 0; i < o->nb_stream_maps; i++) {
2701 m = &o->stream_maps[i];
8d2e4a7e
AK
2702 if (check_stream_specifier(input_files[m->file_index].ctx,
2703 input_files[m->file_index].ctx->streams[m->stream_index],
2704 *p == ':' ? p + 1 : p) > 0)
2705 m->disabled = 1;
2706 }
2707 else
ed5b1326 2708 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
8d2e4a7e
AK
2709 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2710 *p == ':' ? p + 1 : p) <= 0)
2711 continue;
575ec4e1
AK
2712 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2713 &o->nb_stream_maps, o->nb_stream_maps + 1);
2714 m = &o->stream_maps[o->nb_stream_maps - 1];
8d2e4a7e
AK
2715
2716 m->file_index = file_idx;
2717 m->stream_index = i;
2718
2719 if (sync_file_idx >= 0) {
2720 m->sync_file_index = sync_file_idx;
2721 m->sync_stream_index = sync_stream_idx;
2722 } else {
2723 m->sync_file_index = file_idx;
2724 m->sync_stream_index = i;
2725 }
2726 }
2727
2728 if (!m) {
2729 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2730 exit_program(1);
2731 }
2732
2733 av_freep(&map);
6291d7e4
AK
2734 return 0;
2735}
2736
e6e6060c 2737static void parse_meta_type(char *arg, char *type, int *index)
6291d7e4 2738{
e6e6060c 2739 if (*arg == ':') {
6291d7e4
AK
2740 *type = *(++arg);
2741 switch (*arg) {
2742 case 'g':
2743 break;
2744 case 's':
2745 case 'c':
2746 case 'p':
e6e6060c
AK
2747 if (*(++arg) == ':')
2748 *index = strtol(++arg, NULL, 0);
6291d7e4
AK
2749 break;
2750 default:
2751 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2752 exit_program(1);
2753 }
2754 } else
2755 *type = 'g';
2756}
2757
847529f8 2758static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
6291d7e4
AK
2759{
2760 MetadataMap *m, *m1;
2761 char *p;
2762
847529f8
AK
2763 o->meta_data_maps = grow_array(o->meta_data_maps, sizeof(*o->meta_data_maps),
2764 &o->nb_meta_data_maps, o->nb_meta_data_maps + 1);
6291d7e4 2765
847529f8 2766 m = &o->meta_data_maps[o->nb_meta_data_maps - 1][1];
6291d7e4 2767 m->file = strtol(arg, &p, 0);
e6e6060c 2768 parse_meta_type(p, &m->type, &m->index);
6291d7e4 2769
847529f8 2770 m1 = &o->meta_data_maps[o->nb_meta_data_maps - 1][0];
e6e6060c
AK
2771 if (p = strchr(opt, ':'))
2772 parse_meta_type(p, &m1->type, &m1->index);
2773 else
2774 m1->type = 'g';
6291d7e4
AK
2775
2776 if (m->type == 'g' || m1->type == 'g')
847529f8 2777 o->metadata_global_manual = 1;
6291d7e4 2778 if (m->type == 's' || m1->type == 's')
847529f8 2779 o->metadata_streams_manual = 1;
6291d7e4 2780 if (m->type == 'c' || m1->type == 'c')
847529f8 2781 o->metadata_chapters_manual = 1;
6291d7e4
AK
2782
2783 return 0;
2784}
2785
6291d7e4
AK
2786static int opt_input_ts_scale(const char *opt, const char *arg)
2787{
09af7fb3 2788 return av_dict_set(&ts_scale, opt, arg, 0);
6291d7e4
AK
2789}
2790
169f0647
AK
2791static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2792{
2793 const char *codec_string = encoder ? "encoder" : "decoder";
2794 AVCodec *codec;
2795
2796 if(!name)
2797 return CODEC_ID_NONE;
2798 codec = encoder ?
2799 avcodec_find_encoder_by_name(name) :
2800 avcodec_find_decoder_by_name(name);
2801 if(!codec) {
2802 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
2803 exit_program(1);
2804 }
2805 if(codec->type != type) {
2806 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
2807 exit_program(1);
2808 }
2809 return codec->id;
2810}
2811
35e6f8c1 2812static AVCodec *choose_codec(OptionsContext *o, AVFormatContext *s, AVStream *st, enum AVMediaType type)
169f0647 2813{
169f0647 2814 char *codec_name = NULL;
169f0647 2815
35e6f8c1 2816 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
169f0647
AK
2817
2818 if (!codec_name) {
6cd9d0f7
AK
2819 if (s->oformat) {
2820 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
2821 return avcodec_find_encoder(st->codec->codec_id);
2822 }
169f0647
AK
2823 } else if (!strcmp(codec_name, "copy"))
2824 st->stream_copy = 1;
2825 else {
2826 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
2827 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
2828 avcodec_find_decoder_by_name(codec_name);
2829 }
2830
2831 return NULL;
2832}
6291d7e4 2833
88867844
AK
2834/**
2835 * Add all the streams from the given input file to the global
2836 * list of input streams.
2837 */
35e6f8c1 2838static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
88867844 2839{
09af7fb3 2840 int i, rfps, rfps_base, ret;
88867844
AK
2841
2842 for (i = 0; i < ic->nb_streams; i++) {
2843 AVStream *st = ic->streams[i];
2844 AVCodecContext *dec = st->codec;
09af7fb3 2845 AVDictionaryEntry *e = NULL;
88867844 2846 InputStream *ist;
09af7fb3 2847 char *scale = NULL;
88867844 2848
88867844
AK
2849 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
2850 ist = &input_streams[nb_input_streams - 1];
2851 ist->st = st;
2852 ist->file_index = nb_input_files;
2853 ist->discard = 1;
2854 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
2855
09af7fb3
AK
2856 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
2857 char *p = strchr(e->key, ':');
2858
2859 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
2860 scale = e->value;
2861 else if (ret < 0)
2862 exit_program(1);
2863 }
2864 if (scale)
2865 ist->ts_scale = strtod(scale, NULL);
88867844 2866
35e6f8c1 2867 ist->dec = choose_codec(o, ic, st, dec->codec_type);
c74b44de
AK
2868 if (!ist->dec)
2869 ist->dec = avcodec_find_decoder(dec->codec_id);
88867844
AK
2870
2871 switch (dec->codec_type) {
2872 case AVMEDIA_TYPE_AUDIO:
2873 if(audio_disable)
2874 st->discard= AVDISCARD_ALL;
2875 break;
2876 case AVMEDIA_TYPE_VIDEO:
2877 rfps = ic->streams[i]->r_frame_rate.num;
2878 rfps_base = ic->streams[i]->r_frame_rate.den;
2879 if (dec->lowres) {
2880 dec->flags |= CODEC_FLAG_EMU_EDGE;
2881 dec->height >>= dec->lowres;
2882 dec->width >>= dec->lowres;
2883 }
2884 if(me_threshold)
2885 dec->debug |= FF_DEBUG_MV;
2886
2887 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
2888
2889 if (verbose >= 0)
2890 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2891 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
2892
2893 (float)rfps / rfps_base, rfps, rfps_base);
2894 }
2895
2896 if(video_disable)
2897 st->discard= AVDISCARD_ALL;
2898 else if(video_discard)
2899 st->discard= video_discard;
2900 break;
2901 case AVMEDIA_TYPE_DATA:
2902 break;
2903 case AVMEDIA_TYPE_SUBTITLE:
2904 if(subtitle_disable)
2905 st->discard = AVDISCARD_ALL;
2906 break;
2907 case AVMEDIA_TYPE_ATTACHMENT:
2908 case AVMEDIA_TYPE_UNKNOWN:
2909 break;
2910 default:
2911 abort();
2912 }
2913 }
2914}
2915
575ec4e1 2916static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
6291d7e4
AK
2917{
2918 AVFormatContext *ic;
2919 AVInputFormat *file_iformat = NULL;
88867844 2920 int err, i, ret;
6291d7e4
AK
2921 int64_t timestamp;
2922 uint8_t buf[128];
2923 AVDictionary **opts;
2924 int orig_nb_streams; // number of streams before avformat_find_stream_info
2925
7041bb3b
AK
2926 if (o->format) {
2927 if (!(file_iformat = av_find_input_format(o->format))) {
2928 fprintf(stderr, "Unknown input format: '%s'\n", o->format);
6291d7e4
AK
2929 exit_program(1);
2930 }
6291d7e4
AK
2931 }
2932
2933 if (!strcmp(filename, "-"))
2934 filename = "pipe:";
2935
2936 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2937 !strcmp(filename, "/dev/stdin");
2938
2939 /* get default parameters from command line */
2940 ic = avformat_alloc_context();
2941 if (!ic) {
2942 print_error(filename, AVERROR(ENOMEM));
2943 exit_program(1);
2944 }
2945 if (audio_sample_rate) {
2946 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
2947 av_dict_set(&format_opts, "sample_rate", buf, 0);
2948 }
2949 if (audio_channels) {
2950 snprintf(buf, sizeof(buf), "%d", audio_channels);
2951 av_dict_set(&format_opts, "channels", buf, 0);
2952 }
2953 if (frame_rate.num) {
2954 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
2955 av_dict_set(&format_opts, "framerate", buf, 0);
2956 }
2957 if (frame_width && frame_height) {
2958 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
2959 av_dict_set(&format_opts, "video_size", buf, 0);
2960 }
2961 if (frame_pix_fmt != PIX_FMT_NONE)
2962 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
2963
6291d7e4
AK
2964 ic->flags |= AVFMT_FLAG_NONBLOCK;
2965
2966 /* open the input file with generic libav function */
2967 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
2968 if (err < 0) {
2969 print_error(filename, err);
2970 exit_program(1);
2971 }
2972 assert_avoptions(format_opts);
2973
2974 if(opt_programid) {
2975 int i, j;
2976 int found=0;
2977 for(i=0; i<ic->nb_streams; i++){
2978 ic->streams[i]->discard= AVDISCARD_ALL;
2979 }
2980 for(i=0; i<ic->nb_programs; i++){
2981 AVProgram *p= ic->programs[i];
2982 if(p->id != opt_programid){
2983 p->discard = AVDISCARD_ALL;
2984 }else{
2985 found=1;
2986 for(j=0; j<p->nb_stream_indexes; j++){
2987 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
2988 }
2989 }
2990 }
2991 if(!found){
2992 fprintf(stderr, "Specified program id not found\n");
2993 exit_program(1);
2994 }
2995 opt_programid=0;
2996 }
2997
92f1940e
AK
2998 /* apply forced codec ids */
2999 for (i = 0; i < ic->nb_streams; i++)
35e6f8c1 3000 choose_codec(o, ic, ic->streams[i], ic->streams[i]->codec->codec_type);
92f1940e 3001
6291d7e4
AK
3002 /* Set AVCodecContext options for avformat_find_stream_info */
3003 opts = setup_find_stream_info_opts(ic, codec_opts);
3004 orig_nb_streams = ic->nb_streams;
3005
3006 /* If not enough info to get the stream parameters, we decode the
3007 first frames to get it. (used in mpeg case for example) */
3008 ret = avformat_find_stream_info(ic, opts);
3009 if (ret < 0 && verbose >= 0) {
3010 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3011 av_close_input_file(ic);
3012 exit_program(1);
3013 }
3014
6b779ccc 3015 timestamp = o->start_time;
6291d7e4
AK
3016 /* add the stream start time */
3017 if (ic->start_time != AV_NOPTS_VALUE)
3018 timestamp += ic->start_time;
3019
3020 /* if seeking requested, we execute it */
6b779ccc 3021 if (o->start_time != 0) {
6291d7e4
AK
3022 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3023 if (ret < 0) {
3024 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3025 filename, (double)timestamp / AV_TIME_BASE);
3026 }
6291d7e4
AK
3027 }
3028
3029 /* update the current parameters so that they match the one of the input stream */
35e6f8c1 3030 add_input_streams(o, ic);
6291d7e4
AK
3031
3032 /* dump the file content */
3033 if (verbose >= 0)
3034 av_dump_format(ic, nb_input_files, filename, 0);
3035
3036 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3037 input_files[nb_input_files - 1].ctx = ic;
3038 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
6b779ccc 3039 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
ed5b1326 3040 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
6291d7e4
AK
3041
3042 frame_rate = (AVRational){0, 0};
3043 frame_pix_fmt = PIX_FMT_NONE;
3044 frame_height = 0;
3045 frame_width = 0;
3046 audio_sample_rate = 0;
3047 audio_channels = 0;
3048 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
09af7fb3 3049 av_dict_free(&ts_scale);
6291d7e4
AK
3050
3051 for (i = 0; i < orig_nb_streams; i++)
3052 av_dict_free(&opts[i]);
3053 av_freep(&opts);
575ec4e1
AK
3054
3055 reset_options(o);
6291d7e4
AK
3056 return 0;
3057}
3058
f233cfed
AK
3059static void parse_forced_key_frames(char *kf, OutputStream *ost,
3060 AVCodecContext *avctx)
3061{
3062 char *p;
3063 int n = 1, i;
3064 int64_t t;
3065
3066 for (p = kf; *p; p++)
3067 if (*p == ',')
3068 n++;
3069 ost->forced_kf_count = n;
3070 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3071 if (!ost->forced_kf_pts) {
3072 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3073 exit_program(1);
3074 }
3075 for (i = 0; i < n; i++) {
3076 p = i ? strchr(p, ',') + 1 : kf;
3077 t = parse_time_or_die("force_key_frames", p, 1);
3078 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3079 }
3080}
3081
35e6f8c1 3082static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
169f0647
AK
3083{
3084 OutputStream *ost;
3085 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3086 int idx = oc->nb_streams - 1;
3087
3088 if (!st) {
3089 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3090 exit_program(1);
3091 }
3092
4288e031
AK
3093 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3094 nb_output_streams + 1);
3095 ost = &output_streams[nb_output_streams - 1];
40fc2810 3096 ost->file_index = nb_output_files;
169f0647
AK
3097 ost->index = idx;
3098 ost->st = st;
3099 st->codec->codec_type = type;
35e6f8c1 3100 ost->enc = choose_codec(o, oc, st, type);
169f0647
AK
3101 if (ost->enc) {
3102 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3103 }
3104
3105 avcodec_get_context_defaults3(st->codec, ost->enc);
3106 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3107
3108 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3109 return ost;
3110}
3111
35e6f8c1 3112static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK
3113{
3114 AVStream *st;
3115 OutputStream *ost;
3116 AVCodecContext *video_enc;
6291d7e4 3117
35e6f8c1 3118 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
6291d7e4 3119 st = ost->st;
92f1940e 3120 if (!st->stream_copy) {
6291d7e4
AK
3121 ost->frame_aspect_ratio = frame_aspect_ratio;
3122 frame_aspect_ratio = 0;
3123#if CONFIG_AVFILTER
3124 ost->avfilter= vfilters;
3125 vfilters = NULL;
3126#endif
3127 }
3128
3129 ost->bitstream_filters = video_bitstream_filters;
3130 video_bitstream_filters= NULL;
3131
6291d7e4
AK
3132 video_enc = st->codec;
3133
3134 if(video_codec_tag)
3135 video_enc->codec_tag= video_codec_tag;
3136
3137 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3138 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3139 }
3140
92f1940e 3141 if (st->stream_copy) {
6291d7e4
AK
3142 video_enc->sample_aspect_ratio =
3143 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3144 } else {
3145 const char *p;
3146 int i;
3147
3148 if (frame_rate.num)
3149 ost->frame_rate = frame_rate;
6291d7e4
AK
3150
3151 video_enc->width = frame_width;
3152 video_enc->height = frame_height;
3153 video_enc->pix_fmt = frame_pix_fmt;
3154 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3155
f4ad238c 3156 if (video_qscale || same_quant) {
6291d7e4
AK
3157 video_enc->flags |= CODEC_FLAG_QSCALE;
3158 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3159 }
3160
3161 if(intra_matrix)
3162 video_enc->intra_matrix = intra_matrix;
3163 if(inter_matrix)
3164 video_enc->inter_matrix = inter_matrix;
3165
3166 p= video_rc_override_string;
3167 for(i=0; p; i++){
3168 int start, end, q;
3169 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3170 if(e!=3){
3171 fprintf(stderr, "error parsing rc_override\n");
3172 exit_program(1);
3173 }
3174 video_enc->rc_override=
3175 av_realloc(video_enc->rc_override,
3176 sizeof(RcOverride)*(i+1));
3177 video_enc->rc_override[i].start_frame= start;
3178 video_enc->rc_override[i].end_frame = end;
3179 if(q>0){
3180 video_enc->rc_override[i].qscale= q;
3181 video_enc->rc_override[i].quality_factor= 1.0;
3182 }
3183 else{
3184 video_enc->rc_override[i].qscale= 0;
3185 video_enc->rc_override[i].quality_factor= -q/100.0;
3186 }
3187 p= strchr(p, '/');
3188 if(p) p++;
3189 }
3190 video_enc->rc_override_count=i;
3191 if (!video_enc->rc_initial_buffer_occupancy)
3192 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3193 video_enc->me_threshold= me_threshold;
3194 video_enc->intra_dc_precision= intra_dc_precision - 8;
3195
3196 if (do_psnr)
3197 video_enc->flags|= CODEC_FLAG_PSNR;
3198
3199 /* two pass mode */
3200 if (do_pass) {
3201 if (do_pass == 1) {
3202 video_enc->flags |= CODEC_FLAG_PASS1;
3203 } else {
3204 video_enc->flags |= CODEC_FLAG_PASS2;
3205 }
3206 }
3207
3208 if (forced_key_frames)
3209 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3210 }
3211 if (video_language) {
3212 av_dict_set(&st->metadata, "language", video_language, 0);
3213 av_freep(&video_language);
3214 }
3215
3216 /* reset some key parameters */
3217 video_disable = 0;
6291d7e4 3218 av_freep(&forced_key_frames);
6291d7e4 3219 frame_pix_fmt = PIX_FMT_NONE;
3d4f0dab 3220 return ost;
6291d7e4
AK
3221}
3222
35e6f8c1 3223static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK
3224{
3225 AVStream *st;
3226 OutputStream *ost;
6291d7e4 3227 AVCodecContext *audio_enc;
6291d7e4 3228
35e6f8c1 3229 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
6291d7e4
AK
3230 st = ost->st;
3231
3232 ost->bitstream_filters = audio_bitstream_filters;
3233 audio_bitstream_filters= NULL;
3234
6291d7e4
AK
3235 audio_enc = st->codec;
3236 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3237
3238 if(audio_codec_tag)
3239 audio_enc->codec_tag= audio_codec_tag;
3240
3241 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3242 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3243 }
92f1940e 3244 if (!st->stream_copy) {
6291d7e4
AK
3245 if (audio_qscale > QSCALE_NONE) {
3246 audio_enc->flags |= CODEC_FLAG_QSCALE;
3247 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3248 }
3249 if (audio_channels)
3250 audio_enc->channels = audio_channels;
3251 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3252 audio_enc->sample_fmt = audio_sample_fmt;
3253 if (audio_sample_rate)
3254 audio_enc->sample_rate = audio_sample_rate;
3255 }
3256 if (audio_language) {
3257 av_dict_set(&st->metadata, "language", audio_language, 0);
3258 av_freep(&audio_language);
3259 }
3260
3261 /* reset some key parameters */
3262 audio_disable = 0;
3d4f0dab
AK
3263
3264 return ost;
6291d7e4
AK
3265}
3266
35e6f8c1 3267static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK
3268{
3269 AVStream *st;
3270 OutputStream *ost;
3271 AVCodecContext *data_enc;
3272
35e6f8c1 3273 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
6291d7e4
AK
3274 st = ost->st;
3275 data_enc = st->codec;
92f1940e 3276 if (!st->stream_copy) {
6291d7e4
AK
3277 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3278 exit_program(1);
3279 }
3280
6291d7e4
AK
3281 if (data_codec_tag)
3282 data_enc->codec_tag= data_codec_tag;
3283
3284 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3285 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3286 }
6291d7e4
AK
3287
3288 data_disable = 0;
3d4f0dab 3289 return ost;
6291d7e4
AK
3290}
3291
35e6f8c1 3292static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
6291d7e4
AK
3293{
3294 AVStream *st;
3295 OutputStream *ost;
6291d7e4 3296 AVCodecContext *subtitle_enc;
6291d7e4 3297
35e6f8c1 3298 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
6291d7e4
AK
3299 st = ost->st;
3300 subtitle_enc = st->codec;
3301
3302 ost->bitstream_filters = subtitle_bitstream_filters;
3303 subtitle_bitstream_filters= NULL;
3304
3305 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3306
3307 if(subtitle_codec_tag)
3308 subtitle_enc->codec_tag= subtitle_codec_tag;
3309
3310 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3311 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3312 }
6291d7e4
AK
3313
3314 if (subtitle_language) {
3315 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3316 av_freep(&subtitle_language);
3317 }
3318
3319 subtitle_disable = 0;
3d4f0dab 3320 return ost;
6291d7e4
AK
3321}
3322
3323/* arg format is "output-stream-index:streamid-value". */
3324static int opt_streamid(const char *opt, const char *arg)
3325{
3326 int idx;
3327 char *p;
3328 char idx_str[16];
3329
3330 av_strlcpy(idx_str, arg, sizeof(idx_str));
3331 p = strchr(idx_str, ':');
3332 if (!p) {
3333 fprintf(stderr,
3334 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3335 arg, opt);
3336 exit_program(1);
3337 }
3338 *p++ = '\0';
3339 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3340 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3341 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3342 return 0;
3343}
3344
847529f8 3345static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
86530f41 3346{
6b779ccc
AK
3347 AVFormatContext *is = ifile->ctx;
3348 AVFormatContext *os = ofile->ctx;
86530f41
AK
3349 int i;
3350
3351 for (i = 0; i < is->nb_chapters; i++) {
3352 AVChapter *in_ch = is->chapters[i], *out_ch;
6b779ccc 3353 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
86530f41 3354 AV_TIME_BASE_Q, in_ch->time_base);
6b779ccc
AK
3355 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3356 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
86530f41
AK
3357
3358
3359 if (in_ch->end < ts_off)
3360 continue;
3361 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3362 break;
3363
3364 out_ch = av_mallocz(sizeof(AVChapter));
3365 if (!out_ch)
3366 return AVERROR(ENOMEM);
3367
3368 out_ch->id = in_ch->id;
3369 out_ch->time_base = in_ch->time_base;
3370 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3371 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3372
847529f8 3373 if (copy_metadata)
86530f41
AK
3374 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3375
3376 os->nb_chapters++;
3377 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3378 if (!os->chapters)
3379 return AVERROR(ENOMEM);
3380 os->chapters[os->nb_chapters - 1] = out_ch;
3381 }
3382 return 0;
3383}
3384
35e6f8c1 3385static int read_avserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
169f0647
AK
3386{
3387 int i, err;
3388 AVFormatContext *ic = NULL;
169f0647
AK
3389
3390 err = avformat_open_input(&ic, filename, NULL, NULL);
3391 if (err < 0)
3392 return err;
3393 /* copy stream format */
3394 for(i=0;i<ic->nb_streams;i++) {
3395 AVStream *st;
3396 OutputStream *ost;
3397 AVCodec *codec;
3398
3399 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
35e6f8c1 3400 ost = new_output_stream(o, s, codec->type);
169f0647
AK
3401 st = ost->st;
3402
3403 // FIXME: a more elegant solution is needed
3404 memcpy(st, ic->streams[i], sizeof(AVStream));
3405 st->info = NULL;
3406 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3407
3408 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3409 choose_sample_fmt(st, codec);
3410 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3411 choose_pixel_fmt(st, codec);
169f0647
AK
3412 }
3413
3414 av_close_input_file(ic);
3415 return 0;
3416}
3417
7cc8d638 3418static void opt_output_file(void *optctx, const char *filename)
6291d7e4 3419{
575ec4e1 3420 OptionsContext *o = optctx;
6291d7e4 3421 AVFormatContext *oc;
3d4f0dab 3422 int i, err;
6291d7e4 3423 AVOutputFormat *file_oformat;
3d4f0dab
AK
3424 OutputStream *ost;
3425 InputStream *ist;
6291d7e4
AK
3426
3427 if (!strcmp(filename, "-"))
3428 filename = "pipe:";
3429
3430 oc = avformat_alloc_context();
3431 if (!oc) {
3432 print_error(filename, AVERROR(ENOMEM));
3433 exit_program(1);
3434 }
3435
7041bb3b
AK
3436 if (o->format) {
3437 file_oformat = av_guess_format(o->format, NULL, NULL);
6291d7e4 3438 if (!file_oformat) {
7041bb3b 3439 fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", o->format);
6291d7e4
AK
3440 exit_program(1);
3441 }
6291d7e4
AK
3442 } else {
3443 file_oformat = av_guess_format(NULL, filename, NULL);
3444 if (!file_oformat) {
3445 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3446 filename);
3447 exit_program(1);
3448 }
3449 }
3450
3451 oc->oformat = file_oformat;
3452 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3453
3454 if (!strcmp(file_oformat->name, "ffm") &&
3455 av_strstart(filename, "http:", NULL)) {
3456 /* special case for files sent to avserver: we get the stream
3457 parameters from avserver */
35e6f8c1 3458 int err = read_avserver_streams(o, oc, filename);
6291d7e4
AK
3459 if (err < 0) {
3460 print_error(filename, err);
3461 exit_program(1);
3462 }
575ec4e1 3463 } else if (!o->nb_stream_maps) {
3d4f0dab
AK
3464 /* pick the "best" stream of each type */
3465#define NEW_STREAM(type, index)\
3466 if (index >= 0) {\
35e6f8c1 3467 ost = new_ ## type ## _stream(o, oc);\
3d4f0dab
AK
3468 ost->source_index = index;\
3469 ost->sync_ist = &input_streams[index];\
3470 input_streams[index].discard = 0;\
3471 }
3472
3473 /* video: highest resolution */
3474 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3475 int area = 0, idx = -1;
3476 for (i = 0; i < nb_input_streams; i++) {
3477 ist = &input_streams[i];
3478 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3479 ist->st->codec->width * ist->st->codec->height > area) {
3480 area = ist->st->codec->width * ist->st->codec->height;
3481 idx = i;
3482 }
3483 }
3484 NEW_STREAM(video, idx);
3485 }
3486
3487 /* audio: most channels */
3488 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3489 int channels = 0, idx = -1;
3490 for (i = 0; i < nb_input_streams; i++) {
3491 ist = &input_streams[i];
3492 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3493 ist->st->codec->channels > channels) {
3494 channels = ist->st->codec->channels;
3495 idx = i;
3496 }
3497 }
3498 NEW_STREAM(audio, idx);
3499 }
3500
3501 /* subtitles: pick first */
3502 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3503 for (i = 0; i < nb_input_streams; i++)
3504 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3505 NEW_STREAM(subtitle, i);
3506 break;
3507 }
3508 }
3509 /* do something with data? */
6291d7e4 3510 } else {
575ec4e1
AK
3511 for (i = 0; i < o->nb_stream_maps; i++) {
3512 StreamMap *map = &o->stream_maps[i];
3d4f0dab 3513
8d2e4a7e
AK
3514 if (map->disabled)
3515 continue;
3d4f0dab 3516
6cd9d0f7 3517 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3d4f0dab 3518 switch (ist->st->codec->codec_type) {
35e6f8c1
AK
3519 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3520 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3521 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3522 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3d4f0dab
AK
3523 default:
3524 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3525 map->file_index, map->stream_index);
3526 exit_program(1);
3527 }
3528
6cd9d0f7 3529 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3d4f0dab
AK
3530 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3531 map->sync_stream_index];
3532 ist->discard = 0;
3533 }
6291d7e4
AK
3534 }
3535
3d4f0dab
AK
3536 av_dict_copy(&oc->metadata, metadata, 0);
3537 av_dict_free(&metadata);
3538
af70aa45 3539
af70aa45
AK
3540 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3541 output_files[nb_output_files - 1].ctx = oc;
4288e031 3542 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
6b779ccc
AK
3543 output_files[nb_output_files - 1].recording_time = o->recording_time;
3544 output_files[nb_output_files - 1].start_time = o->start_time;
13ccba50 3545 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
af70aa45 3546 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
6291d7e4
AK
3547
3548 /* check filename in case of an image number is expected */
3549 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3550 if (!av_filename_number_test(oc->filename)) {
3551 print_error(oc->filename, AVERROR(EINVAL));
3552 exit_program(1);
3553 }
3554 }
3555
3556 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3557 /* test if it already exists to avoid loosing precious files */
3558 if (!file_overwrite &&
3559 (strchr(filename, ':') == NULL ||
3560 filename[1] == ':' ||
3561 av_strstart(filename, "file:", NULL))) {
3562 if (avio_check(filename, 0) == 0) {
3563 if (!using_stdin) {
3564 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3565 fflush(stderr);
3566 if (!read_yesno()) {
3567 fprintf(stderr, "Not overwriting - exiting\n");
3568 exit_program(1);
3569 }
3570 }
3571 else {
3572 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3573 exit_program(1);
3574 }
3575 }
3576 }
3577
3578 /* open the file */
3579 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3580 print_error(filename, err);
3581 exit_program(1);
3582 }
3583 }
3584
3585 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3586 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
6291d7e4
AK
3587 oc->flags |= AVFMT_FLAG_NONBLOCK;
3588
b9aac90b 3589 /* copy chapters */
c5bb372e
AK
3590 if (o->chapters_input_file >= nb_input_files) {
3591 if (o->chapters_input_file == INT_MAX) {
b9aac90b 3592 /* copy chapters from the first input file that has them*/
c5bb372e 3593 o->chapters_input_file = -1;
b9aac90b
AK
3594 for (i = 0; i < nb_input_files; i++)
3595 if (input_files[i].ctx->nb_chapters) {
c5bb372e 3596 o->chapters_input_file = i;
b9aac90b
AK
3597 break;
3598 }
3599 } else {
3600 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
c5bb372e 3601 o->chapters_input_file);
b9aac90b
AK
3602 exit_program(1);
3603 }
3604 }
c5bb372e
AK
3605 if (o->chapters_input_file >= 0)
3606 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
847529f8 3607 o->metadata_chapters_manual);
b9aac90b 3608
e6e6060c 3609 /* copy metadata */
847529f8 3610 for (i = 0; i < o->nb_meta_data_maps; i++) {
e6e6060c
AK
3611 AVFormatContext *files[2];
3612 AVDictionary **meta[2];
3613 int j;
3614
3615#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3616 if ((index) < 0 || (index) >= (nb_elems)) {\
3617 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3618 (desc), (index));\
3619 exit_program(1);\
3620 }
3621
847529f8 3622 int in_file_index = o->meta_data_maps[i][1].file;
e6e6060c
AK
3623 if (in_file_index < 0)
3624 continue;
3625 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3626
3627 files[0] = oc;
3628 files[1] = input_files[in_file_index].ctx;
3629
3630 for (j = 0; j < 2; j++) {
847529f8 3631 MetadataMap *map = &o->meta_data_maps[i][j];
e6e6060c
AK
3632
3633 switch (map->type) {
3634 case 'g':
3635 meta[j] = &files[j]->metadata;
3636 break;
3637 case 's':
3638 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3639 meta[j] = &files[j]->streams[map->index]->metadata;
3640 break;
3641 case 'c':
3642 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3643 meta[j] = &files[j]->chapters[map->index]->metadata;
3644 break;
3645 case 'p':
3646 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3647 meta[j] = &files[j]->programs[map->index]->metadata;
3648 break;
3649 }
3650 }
3651
3652 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3653 }
3654
3655 /* copy global metadata by default */
847529f8 3656 if (!o->metadata_global_manual && nb_input_files)
e6e6060c
AK
3657 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3658 AV_DICT_DONT_OVERWRITE);
847529f8 3659 if (!o->metadata_streams_manual)
4288e031
AK
3660 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3661 InputStream *ist = &input_streams[output_streams[i].source_index];
3662 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
e6e6060c
AK
3663 }
3664
6291d7e4
AK
3665 frame_rate = (AVRational){0, 0};
3666 frame_width = 0;
3667 frame_height = 0;
3668 audio_sample_rate = 0;
3669 audio_channels = 0;
3670 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3671
e922bbfa
AK
3672 av_freep(&streamid_map);
3673 nb_streamid_map = 0;
e6e6060c 3674
6291d7e4 3675 av_freep(&forced_key_frames);
575ec4e1 3676 reset_options(o);
6291d7e4
AK
3677}
3678
3679/* same option as mencoder */
3680static int opt_pass(const char *opt, const char *arg)
3681{
3682 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3683 return 0;
3684}
3685
3686static int64_t getutime(void)
3687{
3688#if HAVE_GETRUSAGE
3689 struct rusage rusage;
3690
3691 getrusage(RUSAGE_SELF, &rusage);
3692 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3693#elif HAVE_GETPROCESSTIMES
3694 HANDLE proc;
3695 FILETIME c, e, k, u;
3696 proc = GetCurrentProcess();
3697 GetProcessTimes(proc, &c, &e, &k, &u);
3698 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3699#else
3700 return av_gettime();
3701#endif
3702}
3703
3704static int64_t getmaxrss(void)
3705{
3706#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3707 struct rusage rusage;
3708 getrusage(RUSAGE_SELF, &rusage);
3709 return (int64_t)rusage.ru_maxrss * 1024;
3710#elif HAVE_GETPROCESSMEMORYINFO
3711 HANDLE proc;
3712 PROCESS_MEMORY_COUNTERS memcounters;
3713 proc = GetCurrentProcess();
3714 memcounters.cb = sizeof(memcounters);
3715 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3716 return memcounters.PeakPagefileUsage;
3717#else
3718 return 0;
3719#endif
3720}
3721
3722static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3723{
3724 int i;
3725 const char *p = str;
3726 for(i = 0;; i++) {
3727 dest[i] = atoi(p);
3728 if(i == 63)
3729 break;
3730 p = strchr(p, ',');
3731 if(!p) {
3732 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3733 exit_program(1);
3734 }
3735 p++;
3736 }
3737}
3738
3739static void opt_inter_matrix(const char *arg)
3740{
3741 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3742 parse_matrix_coeffs(inter_matrix, arg);
3743}
3744
3745static void opt_intra_matrix(const char *arg)
3746{
3747 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3748 parse_matrix_coeffs(intra_matrix, arg);
3749}
3750
3751static void show_usage(void)
3752{
3753 printf("Hyper fast Audio and Video encoder\n");
3754 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3755 printf("\n");
3756}
3757
3758static void show_help(void)
3759{
3760 AVCodec *c;
3761 AVOutputFormat *oformat = NULL;
3762 AVInputFormat *iformat = NULL;
20c21f8b 3763 const AVClass *class;
6291d7e4
AK
3764
3765 av_log_set_callback(log_callback_help);
3766 show_usage();
3767 show_help_options(options, "Main options:\n",
3768 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3769 show_help_options(options, "\nAdvanced options:\n",
3770 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3771 OPT_EXPERT);
3772 show_help_options(options, "\nVideo options:\n",
3773 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3774 OPT_VIDEO);
3775 show_help_options(options, "\nAdvanced Video options:\n",
3776 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3777 OPT_VIDEO | OPT_EXPERT);
3778 show_help_options(options, "\nAudio options:\n",
3779 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3780 OPT_AUDIO);
3781 show_help_options(options, "\nAdvanced Audio options:\n",
3782 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3783 OPT_AUDIO | OPT_EXPERT);
3784 show_help_options(options, "\nSubtitle options:\n",
3785 OPT_SUBTITLE | OPT_GRAB,
3786 OPT_SUBTITLE);
3787 show_help_options(options, "\nAudio/Video grab options:\n",
3788 OPT_GRAB,
3789 OPT_GRAB);
3790 printf("\n");
20c21f8b
AK
3791 class = avcodec_get_class();
3792 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
6291d7e4
AK
3793 printf("\n");
3794
3795 /* individual codec options */
3796 c = NULL;
3797 while ((c = av_codec_next(c))) {
3798 if (c->priv_class) {
3799 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
3800 printf("\n");
3801 }
3802 }
3803
20c21f8b
AK
3804 class = avformat_get_class();
3805 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
6291d7e4
AK
3806 printf("\n");
3807
3808 /* individual muxer options */
3809 while ((oformat = av_oformat_next(oformat))) {
3810 if (oformat->priv_class) {
3811 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
3812 printf("\n");
3813 }
3814 }
3815
3816 /* individual demuxer options */
3817 while ((iformat = av_iformat_next(iformat))) {
3818 if (iformat->priv_class) {
3819 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
3820 printf("\n");
3821 }
3822 }
3823
20c21f8b
AK
3824 class = sws_get_class();
3825 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
6291d7e4
AK
3826}
3827
7041bb3b 3828static int opt_target(OptionsContext *o, const char *opt, const char *arg)
6291d7e4
AK
3829{
3830 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
3831 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3832
3833 if(!strncmp(arg, "pal-", 4)) {
3834 norm = PAL;
3835 arg += 4;
3836 } else if(!strncmp(arg, "ntsc-", 5)) {
3837 norm = NTSC;
3838 arg += 5;
3839 } else if(!strncmp(arg, "film-", 5)) {
3840 norm = FILM;
3841 arg += 5;
3842 } else {
3843 int fr;
3844 /* Calculate FR via float to avoid int overflow */
3845 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3846 if(fr == 25000) {
3847 norm = PAL;
3848 } else if((fr == 29970) || (fr == 23976)) {
3849 norm = NTSC;
3850 } else {
3851 /* Try to determine PAL/NTSC by peeking in the input files */
3852 if(nb_input_files) {
3853 int i, j;
3854 for (j = 0; j < nb_input_files; j++) {
ed5b1326 3855 for (i = 0; i < input_files[j].nb_streams; i++) {
6291d7e4
AK
3856 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
3857 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
3858 continue;
3859 fr = c->time_base.den * 1000 / c->time_base.num;
3860 if(fr == 25000) {
3861 norm = PAL;
3862 break;
3863 } else if((fr == 29970) || (fr == 23976)) {
3864 norm = NTSC;
3865 break;
3866 }
3867 }
3868 if(norm != UNKNOWN)
3869 break;
3870 }
3871 }
3872 }
3873 if(verbose > 0 && norm != UNKNOWN)
3874 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
3875 }
3876
3877 if(norm == UNKNOWN) {
3878 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3879 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3880 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3881 exit_program(1);
3882 }
3883
3884