msvc: Fix detection of VFW & Avisynth required libs
[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>
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30#include "libavformat/avformat.h"
31#include "libavdevice/avdevice.h"
32#include "libswscale/swscale.h"
bcb82fe1 33#include "libavresample/avresample.h"
6291d7e4 34#include "libavutil/opt.h"
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35#include "libavutil/audioconvert.h"
36#include "libavutil/parseutils.h"
37#include "libavutil/samplefmt.h"
38#include "libavutil/colorspace.h"
39#include "libavutil/fifo.h"
40#include "libavutil/intreadwrite.h"
41#include "libavutil/dict.h"
42#include "libavutil/mathematics.h"
43#include "libavutil/pixdesc.h"
44#include "libavutil/avstring.h"
45#include "libavutil/libm.h"
64dca32c 46#include "libavutil/imgutils.h"
896bb0d7 47#include "libavutil/time.h"
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48#include "libavformat/os_support.h"
49
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50# include "libavfilter/avfilter.h"
51# include "libavfilter/avfiltergraph.h"
04a14d4d 52# include "libavfilter/buffersrc.h"
ac712309 53# include "libavfilter/buffersink.h"
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54
55#if HAVE_SYS_RESOURCE_H
56#include <sys/types.h>
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57#include <sys/resource.h>
58#elif HAVE_GETPROCESSTIMES
59#include <windows.h>
60#endif
61#if HAVE_GETPROCESSMEMORYINFO
62#include <windows.h>
63#include <psapi.h>
64#endif
65
66#if HAVE_SYS_SELECT_H
67#include <sys/select.h>
68#endif
69
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70#if HAVE_PTHREADS
71#include <pthread.h>
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72#endif
73
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74#include <time.h>
75
f5e66827 76#include "avconv.h"
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77#include "cmdutils.h"
78
79#include "libavutil/avassert.h"
80
81const char program_name[] = "avconv";
82const int program_birth_year = 2000;
83
6291d7e4 84static FILE *vstats_file;
6291d7e4 85
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86static int64_t video_size = 0;
87static int64_t audio_size = 0;
88static int64_t extra_size = 0;
89static int nb_frames_dup = 0;
90static int nb_frames_drop = 0;
6291d7e4 91
6291d7e4 92
3460dd8a 93
47b812e9 94#if HAVE_PTHREADS
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95/* signal to input threads that they should exit; set by the main thread */
96static int transcoding_finished;
97#endif
98
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99#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
100
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101InputStream **input_streams = NULL;
102int nb_input_streams = 0;
103InputFile **input_files = NULL;
104int nb_input_files = 0;
6b779ccc 105
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106OutputStream **output_streams = NULL;
107int nb_output_streams = 0;
108OutputFile **output_files = NULL;
109int nb_output_files = 0;
6b779ccc 110
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111FilterGraph **filtergraphs;
112int nb_filtergraphs;
575ec4e1 113
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114static void term_exit(void)
115{
116 av_log(NULL, AV_LOG_QUIET, "");
117}
118
119static volatile int received_sigterm = 0;
120static volatile int received_nb_signals = 0;
121
122static void
123sigterm_handler(int sig)
124{
125 received_sigterm = sig;
126 received_nb_signals++;
127 term_exit();
128}
129
130static void term_init(void)
131{
7636c8c6 132 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
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133 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
134#ifdef SIGXCPU
135 signal(SIGXCPU, sigterm_handler);
136#endif
137}
138
2abe947a 139static int decode_interrupt_cb(void *ctx)
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140{
141 return received_nb_signals > 1;
142}
143
f5e66827 144const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
2abe947a 145
dad09ff9 146void exit_program(int ret)
6291d7e4 147{
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148 int i, j;
149
150 for (i = 0; i < nb_filtergraphs; i++) {
151 avfilter_graph_free(&filtergraphs[i]->graph);
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152 for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
153 av_freep(&filtergraphs[i]->inputs[j]->name);
560f7774 154 av_freep(&filtergraphs[i]->inputs[j]);
cf6c38c6 155 }
560f7774 156 av_freep(&filtergraphs[i]->inputs);
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157 for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
158 av_freep(&filtergraphs[i]->outputs[j]->name);
560f7774 159 av_freep(&filtergraphs[i]->outputs[j]);
cf6c38c6 160 }
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161 av_freep(&filtergraphs[i]->outputs);
162 av_freep(&filtergraphs[i]);
163 }
164 av_freep(&filtergraphs);
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165
166 /* close files */
7636c8c6 167 for (i = 0; i < nb_output_files; i++) {
2e215267 168 AVFormatContext *s = output_files[i]->ctx;
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169 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
170 avio_close(s->pb);
171 avformat_free_context(s);
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172 av_dict_free(&output_files[i]->opts);
173 av_freep(&output_files[i]);
6291d7e4 174 }
1135a071 175 for (i = 0; i < nb_output_streams; i++) {
2e215267 176 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
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177 while (bsfc) {
178 AVBitStreamFilterContext *next = bsfc->next;
179 av_bitstream_filter_close(bsfc);
180 bsfc = next;
181 }
2e215267 182 output_streams[i]->bitstream_filters = NULL;
11d1ca4b 183 avcodec_free_frame(&output_streams[i]->filtered_frame);
ac646076 184
19ad5673 185 av_freep(&output_streams[i]->forced_keyframes);
2e215267 186 av_freep(&output_streams[i]->avfilter);
bbcedade 187 av_freep(&output_streams[i]->logfile_prefix);
2e215267 188 av_freep(&output_streams[i]);
1135a071 189 }
7636c8c6 190 for (i = 0; i < nb_input_files; i++) {
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191 avformat_close_input(&input_files[i]->ctx);
192 av_freep(&input_files[i]);
6291d7e4 193 }
9179f27c 194 for (i = 0; i < nb_input_streams; i++) {
11d1ca4b 195 avcodec_free_frame(&input_streams[i]->decoded_frame);
2e215267 196 av_dict_free(&input_streams[i]->opts);
3ffa2335 197 free_buffer_pool(&input_streams[i]->buffer_pool);
560f7774 198 av_freep(&input_streams[i]->filters);
2e215267 199 av_freep(&input_streams[i]);
9179f27c 200 }
6291d7e4 201
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202 if (vstats_file)
203 fclose(vstats_file);
204 av_free(vstats_filename);
205
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206 av_freep(&input_streams);
207 av_freep(&input_files);
4288e031 208 av_freep(&output_streams);
af70aa45 209 av_freep(&output_files);
6291d7e4 210
6291d7e4 211 uninit_opts();
6291d7e4 212
6291d7e4 213 avfilter_uninit();
776f2bb9 214 avformat_network_deinit();
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215
216 if (received_sigterm) {
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217 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
218 (int) received_sigterm);
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219 exit (255);
220 }
221
f75e3d25 222 exit(ret);
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223}
224
f5e66827 225void assert_avoptions(AVDictionary *m)
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226{
227 AVDictionaryEntry *t;
228 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
f24facd3 229 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
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230 exit_program(1);
231 }
232}
233
234static void assert_codec_experimental(AVCodecContext *c, int encoder)
235{
236 const char *codec_string = encoder ? "encoder" : "decoder";
237 AVCodec *codec;
238 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
239 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
f24facd3 240 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
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241 "results.\nAdd '-strict experimental' if you want to use it.\n",
242 codec_string, c->codec->name);
243 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
244 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
f24facd3 245 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
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246 codec_string, codec->name);
247 exit_program(1);
248 }
249}
250
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251/**
252 * Update the requested input sample format based on the output sample format.
253 * This is currently only used to request float output from decoders which
254 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
255 * Ideally this will be removed in the future when decoders do not do format
256 * conversion and only output in their native format.
257 */
258static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
259 AVCodecContext *enc)
260{
261 /* if sample formats match or a decoder sample format has already been
262 requested, just return */
263 if (enc->sample_fmt == dec->sample_fmt ||
264 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
265 return;
266
267 /* if decoder supports more than one output format */
268 if (dec_codec && dec_codec->sample_fmts &&
269 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
270 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
271 const enum AVSampleFormat *p;
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272 int min_dec = INT_MAX, min_inc = INT_MAX;
273 enum AVSampleFormat dec_fmt = AV_SAMPLE_FMT_NONE;
274 enum AVSampleFormat inc_fmt = AV_SAMPLE_FMT_NONE;
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275
276 /* find a matching sample format in the encoder */
277 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
278 if (*p == enc->sample_fmt) {
279 dec->request_sample_fmt = *p;
280 return;
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281 } else {
282 enum AVSampleFormat dfmt = av_get_packed_sample_fmt(*p);
283 enum AVSampleFormat efmt = av_get_packed_sample_fmt(enc->sample_fmt);
284 int fmt_diff = 32 * abs(dfmt - efmt);
285 if (av_sample_fmt_is_planar(*p) !=
286 av_sample_fmt_is_planar(enc->sample_fmt))
287 fmt_diff++;
288 if (dfmt == efmt) {
289 min_inc = fmt_diff;
290 inc_fmt = *p;
291 } else if (dfmt > efmt) {
292 if (fmt_diff < min_inc) {
293 min_inc = fmt_diff;
294 inc_fmt = *p;
295 }
296 } else {
297 if (fmt_diff < min_dec) {
298 min_dec = fmt_diff;
299 dec_fmt = *p;
300 }
301 }
302 }
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303 }
304
305 /* if none match, provide the one that matches quality closest */
fd41cb43 306 dec->request_sample_fmt = min_inc != INT_MAX ? inc_fmt : dec_fmt;
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307 }
308}
309
f15f02c2 310static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
7636c8c6 311{
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312 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
313 AVCodecContext *avctx = ost->st->codec;
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314 int ret;
315
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316 /*
317 * Audio encoders may split the packets -- #frames in != #packets out.
318 * But there is no reordering, so we can limit the number of output packets
319 * by simply dropping them here.
320 * Counting encoded video frames needs to be done separately because of
321 * reordering, see do_video_out()
322 */
323 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
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324 if (ost->frame_number >= ost->max_frames) {
325 av_free_packet(pkt);
99932847 326 return;
c9594fe0 327 }
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328 ost->frame_number++;
329 }
330
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331 while (bsfc) {
332 AVPacket new_pkt = *pkt;
333 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
334 &new_pkt.data, &new_pkt.size,
335 pkt->data, pkt->size,
336 pkt->flags & AV_PKT_FLAG_KEY);
337 if (a > 0) {
6291d7e4 338 av_free_packet(pkt);
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339 new_pkt.destruct = av_destruct_packet;
340 } else if (a < 0) {
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341 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
342 bsfc->filter->name, pkt->stream_index,
343 avctx->codec ? avctx->codec->name : "copy");
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344 print_error("", a);
345 if (exit_on_error)
346 exit_program(1);
347 }
7636c8c6 348 *pkt = new_pkt;
6291d7e4 349
7636c8c6 350 bsfc = bsfc->next;
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351 }
352
61a09968 353 pkt->stream_index = ost->index;
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354 ret = av_interleaved_write_frame(s, pkt);
355 if (ret < 0) {
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356 print_error("av_interleaved_write_frame()", ret);
357 exit_program(1);
358 }
359}
360
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361static int check_recording_time(OutputStream *ost)
362{
2e215267 363 OutputFile *of = output_files[ost->file_index];
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364
365 if (of->recording_time != INT64_MAX &&
366 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
367 AV_TIME_BASE_Q) >= 0) {
57d24225 368 ost->finished = 1;
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369 return 0;
370 }
371 return 1;
372}
373
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374static void do_audio_out(AVFormatContext *s, OutputStream *ost,
375 AVFrame *frame)
ee458cb1
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376{
377 AVCodecContext *enc = ost->st->codec;
ee458cb1 378 AVPacket pkt;
369cb092 379 int got_packet = 0;
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380
381 av_init_packet(&pkt);
382 pkt.data = NULL;
383 pkt.size = 0;
384
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385 if (!check_recording_time(ost))
386 return;
1270e12e 387
369cb092 388 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
9b9fc9ba 389 frame->pts = ost->sync_opts;
369cb092 390 ost->sync_opts = frame->pts + frame->nb_samples;
ee458cb1 391
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392 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
393 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
394 exit_program(1);
395 }
396
397 if (got_packet) {
ee458cb1
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398 if (pkt.pts != AV_NOPTS_VALUE)
399 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
a75bc764
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400 if (pkt.dts != AV_NOPTS_VALUE)
401 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
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402 if (pkt.duration > 0)
403 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
404
405 write_frame(s, &pkt, ost);
406
407 audio_size += pkt.size;
408 }
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409}
410
411static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
412{
413 AVCodecContext *dec;
414 AVPicture *picture2;
415 AVPicture picture_tmp;
416 uint8_t *buf = 0;
417
418 dec = ist->st->codec;
419
420 /* deinterlace : must be done before any resize */
421 if (do_deinterlace) {
422 int size;
423
424 /* create temporary picture */
425 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
7636c8c6 426 buf = av_malloc(size);
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427 if (!buf)
428 return;
429
430 picture2 = &picture_tmp;
431 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
432
7636c8c6 433 if (avpicture_deinterlace(picture2, picture,
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434 dec->pix_fmt, dec->width, dec->height) < 0) {
435 /* if error, do not deinterlace */
e3245b26 436 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
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437 av_free(buf);
438 buf = NULL;
439 picture2 = picture;
440 }
441 } else {
442 picture2 = picture;
443 }
444
445 if (picture != picture2)
446 *picture = *picture2;
447 *bufp = buf;
448}
449
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450static void do_subtitle_out(AVFormatContext *s,
451 OutputStream *ost,
452 InputStream *ist,
453 AVSubtitle *sub,
454 int64_t pts)
455{
456 static uint8_t *subtitle_out = NULL;
457 int subtitle_out_max_size = 1024 * 1024;
458 int subtitle_out_size, nb, i;
459 AVCodecContext *enc;
460 AVPacket pkt;
461
462 if (pts == AV_NOPTS_VALUE) {
e3245b26 463 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
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464 if (exit_on_error)
465 exit_program(1);
466 return;
467 }
468
469 enc = ost->st->codec;
470
471 if (!subtitle_out) {
472 subtitle_out = av_malloc(subtitle_out_max_size);
473 }
474
475 /* Note: DVB subtitle need one packet to draw them and one other
476 packet to clear them */
477 /* XXX: signal it in the codec context ? */
36ef5369 478 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
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479 nb = 2;
480 else
481 nb = 1;
482
7636c8c6 483 for (i = 0; i < nb; i++) {
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484 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
485 if (!check_recording_time(ost))
486 return;
487
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488 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
489 // start_display_time is required to be 0
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490 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
491 sub->end_display_time -= sub->start_display_time;
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492 sub->start_display_time = 0;
493 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
494 subtitle_out_max_size, sub);
495 if (subtitle_out_size < 0) {
e3245b26 496 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
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497 exit_program(1);
498 }
499
500 av_init_packet(&pkt);
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501 pkt.data = subtitle_out;
502 pkt.size = subtitle_out_size;
7636c8c6 503 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
36ef5369 504 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
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505 /* XXX: the pts correction is handled here. Maybe handling
506 it in the codec would be better */
507 if (i == 0)
508 pkt.pts += 90 * sub->start_display_time;
509 else
510 pkt.pts += 90 * sub->end_display_time;
511 }
f15f02c2 512 write_frame(s, &pkt, ost);
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513 }
514}
515
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516static void do_video_out(AVFormatContext *s,
517 OutputStream *ost,
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518 AVFrame *in_picture,
519 int *frame_size, float quality)
520{
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521 int ret, format_video_sync;
522 AVPacket pkt;
523 AVCodecContext *enc = ost->st->codec;
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524
525 *frame_size = 0;
526
553735f5 527 format_video_sync = video_sync_method;
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528 if (format_video_sync == VSYNC_AUTO)
529 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
530 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
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531 if (format_video_sync != VSYNC_PASSTHROUGH &&
532 ost->frame_number &&
533 in_picture->pts != AV_NOPTS_VALUE &&
534 in_picture->pts < ost->sync_opts) {
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535 nb_frames_drop++;
536 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
87ef060c 537 return;
d43040e2 538 }
87ef060c 539
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540 if (in_picture->pts == AV_NOPTS_VALUE)
541 in_picture->pts = ost->sync_opts;
542 ost->sync_opts = in_picture->pts;
543
544
1270e12e 545 if (!ost->frame_number)
74b961db 546 ost->first_pts = in_picture->pts;
1270e12e 547
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548 av_init_packet(&pkt);
549 pkt.data = NULL;
550 pkt.size = 0;
6291d7e4 551
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552 if (!check_recording_time(ost) ||
553 ost->frame_number >= ost->max_frames)
554 return;
1270e12e 555
39885a4b 556 if (s->oformat->flags & AVFMT_RAWPICTURE &&
36ef5369 557 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
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558 /* raw pictures are written as AVPicture structure to
559 avoid any copies. We support temporarily the older
560 method. */
561 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
562 enc->coded_frame->top_field_first = in_picture->top_field_first;
563 pkt.data = (uint8_t *)in_picture;
564 pkt.size = sizeof(AVPicture);
565 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
566 pkt.flags |= AV_PKT_FLAG_KEY;
6291d7e4 567
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568 write_frame(s, &pkt, ost);
569 } else {
570 int got_packet;
571 AVFrame big_picture;
572
573 big_picture = *in_picture;
574 /* better than nothing: use input picture interlaced
575 settings */
576 big_picture.interlaced_frame = in_picture->interlaced_frame;
577 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
578 if (ost->top_field_first == -1)
579 big_picture.top_field_first = in_picture->top_field_first;
580 else
581 big_picture.top_field_first = !!ost->top_field_first;
582 }
6291d7e4 583
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584 /* handles same_quant here. This is not correct because it may
585 not be a global option */
586 big_picture.quality = quality;
587 if (!enc->me_threshold)
588 big_picture.pict_type = 0;
589 if (ost->forced_kf_index < ost->forced_kf_count &&
590 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
591 big_picture.pict_type = AV_PICTURE_TYPE_I;
592 ost->forced_kf_index++;
593 }
594 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
595 if (ret < 0) {
596 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
597 exit_program(1);
598 }
6291d7e4 599
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600 if (got_packet) {
601 if (pkt.pts != AV_NOPTS_VALUE)
602 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
603 if (pkt.dts != AV_NOPTS_VALUE)
604 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
6291d7e4 605
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606 write_frame(s, &pkt, ost);
607 *frame_size = pkt.size;
608 video_size += pkt.size;
324fbadf 609
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610 /* if two pass, output log */
611 if (ost->logfile && enc->stats_out) {
612 fprintf(ost->logfile, "%s", enc->stats_out);
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613 }
614 }
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615 }
616 ost->sync_opts++;
617 /*
618 * For video, number of frames in == number of packets out.
619 * But there may be reordering, so we can't throw away frames on encoder
620 * flush, we need to limit them here, before they go into encoder.
621 */
622 ost->frame_number++;
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623}
624
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625static double psnr(double d)
626{
627 return -10.0 * log(d) / log(10.0);
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628}
629
630static void do_video_stats(AVFormatContext *os, OutputStream *ost,
631 int frame_size)
632{
633 AVCodecContext *enc;
634 int frame_number;
635 double ti1, bitrate, avg_bitrate;
636
637 /* this is executed just the first time do_video_stats is called */
638 if (!vstats_file) {
639 vstats_file = fopen(vstats_filename, "w");
640 if (!vstats_file) {
641 perror("fopen");
642 exit_program(1);
643 }
644 }
645
646 enc = ost->st->codec;
647 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
648 frame_number = ost->frame_number;
7636c8c6 649 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
6291d7e4 650 if (enc->flags&CODEC_FLAG_PSNR)
7636c8c6 651 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
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652
653 fprintf(vstats_file,"f_size= %6d ", frame_size);
654 /* compute pts value */
655 ti1 = ost->sync_opts * av_q2d(enc->time_base);
656 if (ti1 < 0.01)
657 ti1 = 0.01;
658
7636c8c6 659 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
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660 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
661 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
7636c8c6 662 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
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663 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
664 }
665}
666
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667/**
668 * Read one frame for lavfi output for ost and encode it.
669 */
670static int poll_filter(OutputStream *ost)
560f7774 671{
a4f50110 672 OutputFile *of = output_files[ost->file_index];
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673 AVFilterBufferRef *picref;
674 AVFrame *filtered_frame = NULL;
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675 int frame_size, ret;
676
677 if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
678 return AVERROR(ENOMEM);
679 } else
680 avcodec_get_frame_defaults(ost->filtered_frame);
681 filtered_frame = ost->filtered_frame;
682
683 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
684 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
685 ret = av_buffersink_read_samples(ost->filter->filter, &picref,
686 ost->st->codec->frame_size);
687 else
688 ret = av_buffersink_read(ost->filter->filter, &picref);
369cb092 689
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690 if (ret < 0)
691 return ret;
560f7774 692
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693 avfilter_copy_buf_props(filtered_frame, picref);
694 if (picref->pts != AV_NOPTS_VALUE) {
695 filtered_frame->pts = av_rescale_q(picref->pts,
696 ost->filter->filter->inputs[0]->time_base,
697 ost->st->codec->time_base) -
698 av_rescale_q(of->start_time,
699 AV_TIME_BASE_Q,
700 ost->st->codec->time_base);
560f7774 701
a4f50110 702 if (of->start_time && filtered_frame->pts < 0) {
560f7774 703 avfilter_unref_buffer(picref);
a4f50110 704 return 0;
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705 }
706 }
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707
708 switch (ost->filter->filter->inputs[0]->type) {
709 case AVMEDIA_TYPE_VIDEO:
710 if (!ost->frame_aspect_ratio)
711 ost->st->codec->sample_aspect_ratio = picref->video->pixel_aspect;
712
713 do_video_out(of->ctx, ost, filtered_frame, &frame_size,
714 same_quant ? ost->last_quality :
715 ost->st->codec->global_quality);
716 if (vstats_filename && frame_size)
717 do_video_stats(of->ctx, ost, frame_size);
718 break;
719 case AVMEDIA_TYPE_AUDIO:
720 do_audio_out(of->ctx, ost, filtered_frame);
721 break;
722 default:
723 // TODO support subtitle filters
724 av_assert0(0);
725 }
726
727 avfilter_unref_buffer(picref);
728
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729 return 0;
730}
731
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732/**
733 * Read as many frames from possible from lavfi and encode them.
734 *
735 * Always read from the active stream with the lowest timestamp. If no frames
736 * are available for it then return EAGAIN and wait for more input. This way we
737 * can use lavfi sources that generate unlimited amount of frames without memory
738 * usage exploding.
739 */
740static int poll_filters(void)
741{
3c0df905 742 int i, j, ret = 0;
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743
744 while (ret >= 0 && !received_sigterm) {
745 OutputStream *ost = NULL;
746 int64_t min_pts = INT64_MAX;
747
748 /* choose output stream with the lowest timestamp */
749 for (i = 0; i < nb_output_streams; i++) {
750 int64_t pts = output_streams[i]->sync_opts;
751
57d24225 752 if (!output_streams[i]->filter || output_streams[i]->finished)
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753 continue;
754
755 pts = av_rescale_q(pts, output_streams[i]->st->codec->time_base,
756 AV_TIME_BASE_Q);
757 if (pts < min_pts) {
758 min_pts = pts;
759 ost = output_streams[i];
760 }
761 }
762
763 if (!ost)
764 break;
765
766 ret = poll_filter(ost);
767
768 if (ret == AVERROR_EOF) {
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769 OutputFile *of = output_files[ost->file_index];
770
57d24225 771 ost->finished = 1;
a4f50110 772
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773 if (of->shortest) {
774 for (j = 0; j < of->ctx->nb_streams; j++)
775 output_streams[of->ost_index + j]->finished = 1;
776 }
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777
778 ret = 0;
779 } else if (ret == AVERROR(EAGAIN))
780 return 0;
781 }
782
783 return ret;
784}
785
ea9367e9 786static void print_report(int is_last_report, int64_t timer_start)
6291d7e4
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787{
788 char buf[1024];
789 OutputStream *ost;
790 AVFormatContext *oc;
791 int64_t total_size;
792 AVCodecContext *enc;
793 int frame_number, vid, i;
794 double bitrate, ti1, pts;
795 static int64_t last_time = -1;
796 static int qp_histogram[52];
797
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798 if (!print_stats && !is_last_report)
799 return;
800
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801 if (!is_last_report) {
802 int64_t cur_time;
803 /* display the report every 0.5 seconds */
804 cur_time = av_gettime();
805 if (last_time == -1) {
806 last_time = cur_time;
807 return;
808 }
809 if ((cur_time - last_time) < 500000)
810 return;
811 last_time = cur_time;
812 }
813
814
2e215267 815 oc = output_files[0]->ctx;
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816
817 total_size = avio_size(oc->pb);
7636c8c6
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818 if (total_size < 0) // FIXME improve avio_size() so it works with non seekable output too
819 total_size = avio_tell(oc->pb);
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820
821 buf[0] = '\0';
822 ti1 = 1e10;
823 vid = 0;
ea9367e9 824 for (i = 0; i < nb_output_streams; i++) {
6291d7e4 825 float q = -1;
2e215267 826 ost = output_streams[i];
6291d7e4 827 enc = ost->st->codec;
3d813e4c 828 if (!ost->stream_copy && enc->coded_frame)
7636c8c6 829 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
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830 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
831 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
832 }
833 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
7636c8c6 834 float t = (av_gettime() - timer_start) / 1000000.0;
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835
836 frame_number = ost->frame_number;
837 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
7636c8c6
AD
838 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
839 if (is_last_report)
6291d7e4 840 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
7636c8c6 841 if (qp_hist) {
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842 int j;
843 int qp = lrintf(q);
7636c8c6 844 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
6291d7e4 845 qp_histogram[qp]++;
7636c8c6 846 for (j = 0; j < 32; j++)
d752509b 847 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
6291d7e4 848 }
7636c8c6 849 if (enc->flags&CODEC_FLAG_PSNR) {
6291d7e4 850 int j;
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AD
851 double error, error_sum = 0;
852 double scale, scale_sum = 0;
853 char type[3] = { 'Y','U','V' };
6291d7e4 854 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
7636c8c6
AD
855 for (j = 0; j < 3; j++) {
856 if (is_last_report) {
857 error = enc->error[j];
858 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
859 } else {
860 error = enc->coded_frame->error[j];
861 scale = enc->width * enc->height * 255.0 * 255.0;
6291d7e4 862 }
7636c8c6
AD
863 if (j)
864 scale /= 4;
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865 error_sum += error;
866 scale_sum += scale;
7636c8c6 867 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
6291d7e4 868 }
7636c8c6 869 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
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870 }
871 vid = 1;
872 }
873 /* compute min output value */
874 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
875 if ((pts < ti1) && (pts > 0))
876 ti1 = pts;
877 }
878 if (ti1 < 0.01)
879 ti1 = 0.01;
880
e3245b26 881 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
6291d7e4 882
e3245b26 883 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
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884 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
885 (double)total_size / 1024, ti1, bitrate);
886
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887 if (nb_frames_dup || nb_frames_drop)
888 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
889 nb_frames_dup, nb_frames_drop);
6291d7e4 890
f5646a32 891 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
6291d7e4 892
e3245b26 893 fflush(stderr);
6291d7e4 894
e3245b26 895 if (is_last_report) {
6291d7e4 896 int64_t raw= audio_size + video_size + extra_size;
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897 av_log(NULL, AV_LOG_INFO, "\n");
898 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
7636c8c6
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899 video_size / 1024.0,
900 audio_size / 1024.0,
901 extra_size / 1024.0,
902 100.0 * (total_size - raw) / raw
6291d7e4
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903 );
904 }
905}
906
ea9367e9 907static void flush_encoders(void)
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908{
909 int i, ret;
910
ea9367e9 911 for (i = 0; i < nb_output_streams; i++) {
2e215267 912 OutputStream *ost = output_streams[i];
6f1c66d5 913 AVCodecContext *enc = ost->st->codec;
2e215267 914 AVFormatContext *os = output_files[ost->file_index]->ctx;
ee458cb1 915 int stop_encoding = 0;
6f1c66d5 916
b62b5cb6 917 if (!ost->encoding_needed)
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918 continue;
919
7636c8c6 920 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
6f1c66d5 921 continue;
36ef5369 922 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
6f1c66d5
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923 continue;
924
7636c8c6 925 for (;;) {
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926 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
927 const char *desc;
928 int64_t *size;
6f1c66d5
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929
930 switch (ost->st->codec->codec_type) {
931 case AVMEDIA_TYPE_AUDIO:
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932 encode = avcodec_encode_audio2;
933 desc = "Audio";
934 size = &audio_size;
6f1c66d5
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935 break;
936 case AVMEDIA_TYPE_VIDEO:
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937 encode = avcodec_encode_video2;
938 desc = "Video";
939 size = &video_size;
940 break;
941 default:
942 stop_encoding = 1;
943 }
944
945 if (encode) {
946 AVPacket pkt;
947 int got_packet;
948 av_init_packet(&pkt);
949 pkt.data = NULL;
950 pkt.size = 0;
951
952 ret = encode(enc, &pkt, NULL, &got_packet);
6f1c66d5 953 if (ret < 0) {
369cb092 954 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
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955 exit_program(1);
956 }
369cb092 957 *size += ret;
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958 if (ost->logfile && enc->stats_out) {
959 fprintf(ost->logfile, "%s", enc->stats_out);
960 }
8e37038a 961 if (!got_packet) {
ee458cb1
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962 stop_encoding = 1;
963 break;
964 }
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965 if (pkt.pts != AV_NOPTS_VALUE)
966 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
967 if (pkt.dts != AV_NOPTS_VALUE)
968 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
ee458cb1 969 write_frame(os, &pkt, ost);
4a4ce2e7 970 }
369cb092 971
ee458cb1 972 if (stop_encoding)
6f1c66d5 973 break;
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974 }
975 }
976}
977
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978/*
979 * Check whether a packet from ist should be written into ost at this time
980 */
981static int check_output_constraints(InputStream *ist, OutputStream *ost)
982{
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983 OutputFile *of = output_files[ost->file_index];
984 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
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985
986 if (ost->source_index != ist_index)
987 return 0;
988
23576b3f 989 if (of->start_time && ist->last_dts < of->start_time)
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990 return 0;
991
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992 return 1;
993}
994
995static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
996{
2e215267 997 OutputFile *of = output_files[ost->file_index];
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998 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
999 AVPacket opkt;
1000
1001 av_init_packet(&opkt);
1002
1003 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1004 !ost->copy_initial_nonkeyframes)
1005 return;
1006
1270e12e 1007 if (of->recording_time != INT64_MAX &&
23576b3f 1008 ist->last_dts >= of->recording_time + of->start_time) {
57d24225 1009 ost->finished = 1;
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1010 return;
1011 }
1012
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1013 /* force the input stream PTS */
1014 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1015 audio_size += pkt->size;
1016 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1017 video_size += pkt->size;
1018 ost->sync_opts++;
1019 }
1020
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1021 if (pkt->pts != AV_NOPTS_VALUE)
1022 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1023 else
1024 opkt.pts = AV_NOPTS_VALUE;
1025
1026 if (pkt->dts == AV_NOPTS_VALUE)
23576b3f 1027 opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base);
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1028 else
1029 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1030 opkt.dts -= ost_tb_start_time;
1031
1032 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1033 opkt.flags = pkt->flags;
1034
7636c8c6 1035 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
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1036 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
1037 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1038 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1039 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
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1040 ) {
1041 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1042 opkt.destruct = av_destruct_packet;
1043 } else {
1044 opkt.data = pkt->data;
1045 opkt.size = pkt->size;
1046 }
1047
f15f02c2 1048 write_frame(of->ctx, &opkt, ost);
7204ec1a 1049 ost->st->codec->frame_number++;
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1050 av_free_packet(&opkt);
1051}
1052
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1053static void rate_emu_sleep(InputStream *ist)
1054{
2e215267 1055 if (input_files[ist->file_index]->rate_emu) {
23576b3f 1056 int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
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1057 int64_t now = av_gettime() - ist->start;
1058 if (pts > now)
896bb0d7 1059 av_usleep(pts - now);
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1060 }
1061}
1062
f5e66827 1063int guess_input_channel_layout(InputStream *ist)
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1064{
1065 AVCodecContext *dec = ist->st->codec;
1066
1067 if (!dec->channel_layout) {
1068 char layout_name[256];
1069
1070 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1071 if (!dec->channel_layout)
1072 return 0;
1073 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1074 dec->channels, dec->channel_layout);
1075 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1076 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1077 }
1078 return 1;
1079}
1080
0629f612 1081static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
ded28ba3 1082{
d1241ff3
JR
1083 AVFrame *decoded_frame;
1084 AVCodecContext *avctx = ist->st->codec;
ded28ba3 1085 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
369cb092 1086 int i, ret, resample_changed;
ded28ba3 1087
9179f27c 1088 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
d1241ff3 1089 return AVERROR(ENOMEM);
9179f27c
JR
1090 else
1091 avcodec_get_frame_defaults(ist->decoded_frame);
1092 decoded_frame = ist->decoded_frame;
ded28ba3 1093
d1241ff3 1094 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
f154ef1a
AK
1095 if (!*got_output || ret < 0) {
1096 if (!pkt->size) {
369cb092
AK
1097 for (i = 0; i < ist->nb_filters; i++)
1098 av_buffersrc_buffer(ist->filters[i]->filter, NULL);
f154ef1a 1099 }
af8ad892 1100 return ret;
ded28ba3
AK
1101 }
1102
d1241ff3
JR
1103 /* if the decoder provides a pts, use it instead of the last packet pts.
1104 the decoder could be delaying output by a packet or more. */
1105 if (decoded_frame->pts != AV_NOPTS_VALUE)
3101bb66 1106 ist->next_dts = decoded_frame->pts;
369cb092
AK
1107 else if (pkt->pts != AV_NOPTS_VALUE) {
1108 decoded_frame->pts = pkt->pts;
1109 pkt->pts = AV_NOPTS_VALUE;
1110 }
ded28ba3
AK
1111
1112 // preprocess audio (volume)
1113 if (audio_volume != 256) {
d1241ff3
JR
1114 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
1115 void *samples = decoded_frame->data[0];
1116 switch (avctx->sample_fmt) {
ded28ba3
AK
1117 case AV_SAMPLE_FMT_U8:
1118 {
1119 uint8_t *volp = samples;
1120 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1121 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1122 *volp++ = av_clip_uint8(v);
1123 }
1124 break;
1125 }
1126 case AV_SAMPLE_FMT_S16:
1127 {
1128 int16_t *volp = samples;
1129 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1130 int v = ((*volp) * audio_volume + 128) >> 8;
1131 *volp++ = av_clip_int16(v);
1132 }
1133 break;
1134 }
1135 case AV_SAMPLE_FMT_S32:
1136 {
1137 int32_t *volp = samples;
1138 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1139 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1140 *volp++ = av_clipl_int32(v);
1141 }
1142 break;
1143 }
1144 case AV_SAMPLE_FMT_FLT:
1145 {
1146 float *volp = samples;
1147 float scale = audio_volume / 256.f;
1148 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1149 *volp++ *= scale;
1150 }
1151 break;
1152 }
1153 case AV_SAMPLE_FMT_DBL:
1154 {
1155 double *volp = samples;
1156 double scale = audio_volume / 256.;
1157 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1158 *volp++ *= scale;
1159 }
1160 break;
1161 }
1162 default:
1163 av_log(NULL, AV_LOG_FATAL,
1164 "Audio volume adjustment on sample format %s is not supported.\n",
1165 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1166 exit_program(1);
1167 }
1168 }
1169
1170 rate_emu_sleep(ist);
1171
369cb092
AK
1172 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1173 ist->resample_channels != avctx->channels ||
1174 ist->resample_channel_layout != decoded_frame->channel_layout ||
1175 ist->resample_sample_rate != decoded_frame->sample_rate;
1176 if (resample_changed) {
1177 char layout1[64], layout2[64];
ded28ba3 1178
369cb092
AK
1179 if (!guess_input_channel_layout(ist)) {
1180 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1181 "layout for Input Stream #%d.%d\n", ist->file_index,
1182 ist->st->index);
1183 exit_program(1);
1184 }
1185 decoded_frame->channel_layout = avctx->channel_layout;
1186
1187 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1188 ist->resample_channel_layout);
1189 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1190 decoded_frame->channel_layout);
1191
1192 av_log(NULL, AV_LOG_INFO,
1193 "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d chl:%s to rate:%d fmt:%s ch:%d chl:%s\n",
1194 ist->file_index, ist->st->index,
1195 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1196 ist->resample_channels, layout1,
1197 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1198 avctx->channels, layout2);
1199
1200 ist->resample_sample_fmt = decoded_frame->format;
1201 ist->resample_sample_rate = decoded_frame->sample_rate;
1202 ist->resample_channel_layout = decoded_frame->channel_layout;
1203 ist->resample_channels = avctx->channels;
1204
1205 for (i = 0; i < nb_filtergraphs; i++)
1206 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1207 configure_filtergraph(filtergraphs[i]) < 0) {
1208 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1209 exit_program(1);
1210 }
ded28ba3 1211 }
110d2af2 1212
715129cd
MS
1213 if (decoded_frame->pts != AV_NOPTS_VALUE)
1214 decoded_frame->pts = av_rescale_q(decoded_frame->pts,
1215 ist->st->time_base,
1216 (AVRational){1, ist->st->codec->sample_rate});
369cb092
AK
1217 for (i = 0; i < ist->nb_filters; i++)
1218 av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame);
1219
af8ad892 1220 return ret;
ded28ba3
AK
1221}
1222
0629f612 1223static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
45d4b66f 1224{
560f7774 1225 AVFrame *decoded_frame;
45d4b66f 1226 void *buffer_to_free = NULL;
e77c8662 1227 int i, ret = 0, resample_changed;
45d4b66f 1228 float quality;
45d4b66f 1229
9179f27c 1230 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
45d4b66f 1231 return AVERROR(ENOMEM);
9179f27c
JR
1232 else
1233 avcodec_get_frame_defaults(ist->decoded_frame);
1234 decoded_frame = ist->decoded_frame;
45d4b66f
AK
1235
1236 ret = avcodec_decode_video2(ist->st->codec,
1237 decoded_frame, got_output, pkt);
f154ef1a
AK
1238 if (!*got_output || ret < 0) {
1239 if (!pkt->size) {
89605e4a
AK
1240 for (i = 0; i < ist->nb_filters; i++)
1241 av_buffersrc_buffer(ist->filters[i]->filter, NULL);
f154ef1a 1242 }
af8ad892 1243 return ret;
45d4b66f 1244 }
f154ef1a
AK
1245
1246 quality = same_quant ? decoded_frame->quality : 0;
b34856a1
AK
1247 decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1248 decoded_frame->pkt_dts);
45d4b66f
AK
1249 pkt->size = 0;
1250 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1251
1252 rate_emu_sleep(ist);
1253
695ec04e
AK
1254 if (ist->st->sample_aspect_ratio.num)
1255 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1256
e77c8662
AK
1257 resample_changed = ist->resample_width != decoded_frame->width ||
1258 ist->resample_height != decoded_frame->height ||
1259 ist->resample_pix_fmt != decoded_frame->format;
1260 if (resample_changed) {
1261 av_log(NULL, AV_LOG_INFO,
1262 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1263 ist->file_index, ist->st->index,
1264 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1265 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1266
2f34021d
JG
1267 ret = poll_filters();
1268 if (ret < 0 && (ret != AVERROR_EOF && ret != AVERROR(EAGAIN)))
1269 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
1270
e77c8662
AK
1271 ist->resample_width = decoded_frame->width;
1272 ist->resample_height = decoded_frame->height;
1273 ist->resample_pix_fmt = decoded_frame->format;
e77c8662 1274
3b266da3
AK
1275 for (i = 0; i < nb_filtergraphs; i++)
1276 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1277 configure_filtergraph(filtergraphs[i]) < 0) {
ac646076
AK
1278 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1279 exit_program(1);
3b266da3
AK
1280 }
1281 }
ac646076 1282
3b266da3 1283 for (i = 0; i < ist->nb_filters; i++) {
560f7774
AK
1284 // XXX what an ugly hack
1285 if (ist->filters[i]->graph->nb_outputs == 1)
1286 ist->filters[i]->graph->outputs[0]->ost->last_quality = quality;
1287
04a14d4d
AK
1288 if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) {
1289 FrameBuffer *buf = decoded_frame->opaque;
1290 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
1291 decoded_frame->data, decoded_frame->linesize,
1292 AV_PERM_READ | AV_PERM_PRESERVE,
1293 ist->st->codec->width, ist->st->codec->height,
1294 ist->st->codec->pix_fmt);
1295
1296 avfilter_copy_frame_props(fb, decoded_frame);
04a14d4d
AK
1297 fb->buf->priv = buf;
1298 fb->buf->free = filter_release_buffer;
1299
1300 buf->refcount++;
560f7774 1301 av_buffersrc_buffer(ist->filters[i]->filter, fb);
04a14d4d 1302 } else
720c6b78 1303 av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame);
45d4b66f
AK
1304 }
1305
45d4b66f 1306 av_free(buffer_to_free);
45d4b66f
AK
1307 return ret;
1308}
1309
9595234c
AK
1310static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1311{
1312 AVSubtitle subtitle;
1313 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1314 &subtitle, got_output, pkt);
1315 if (ret < 0)
1316 return ret;
1317 if (!*got_output)
af8ad892 1318 return ret;
9595234c
AK
1319
1320 rate_emu_sleep(ist);
1321
1322 for (i = 0; i < nb_output_streams; i++) {
2e215267 1323 OutputStream *ost = output_streams[i];
9595234c
AK
1324
1325 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1326 continue;
1327
2e215267 1328 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
9595234c
AK
1329 }
1330
1331 avsubtitle_free(&subtitle);
af8ad892 1332 return ret;
9595234c
AK
1333}
1334
6291d7e4 1335/* pkt = NULL means EOF (needed to flush decoder buffers) */
ea9367e9 1336static int output_packet(InputStream *ist, const AVPacket *pkt)
6291d7e4 1337{
ffa0674e 1338 int i;
6291d7e4 1339 int got_output;
6291d7e4 1340 AVPacket avpkt;
6291d7e4 1341
3101bb66 1342 if (ist->next_dts == AV_NOPTS_VALUE)
23576b3f 1343 ist->next_dts = ist->last_dts;
6291d7e4
AK
1344
1345 if (pkt == NULL) {
1346 /* EOF handling */
1347 av_init_packet(&avpkt);
1348 avpkt.data = NULL;
1349 avpkt.size = 0;
1350 goto handle_eof;
1351 } else {
1352 avpkt = *pkt;
1353 }
1354
7636c8c6 1355 if (pkt->dts != AV_NOPTS_VALUE)
23576b3f 1356 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
6291d7e4 1357
7636c8c6 1358 // while we have more to decode or while the decoder did output something on EOF
2a651b71 1359 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
ffa0674e 1360 int ret = 0;
6291d7e4 1361 handle_eof:
6291d7e4 1362
23576b3f 1363 ist->last_dts = ist->next_dts;
8b0268a8
AK
1364
1365 if (avpkt.size && avpkt.size != pkt->size) {
e3245b26
AK
1366 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1367 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
8b0268a8
AK
1368 ist->showed_multi_packet_warning = 1;
1369 }
6291d7e4 1370
7636c8c6 1371 switch (ist->st->codec->codec_type) {
82963f8f 1372 case AVMEDIA_TYPE_AUDIO:
0629f612 1373 ret = decode_audio (ist, &avpkt, &got_output);
82963f8f
AK
1374 break;
1375 case AVMEDIA_TYPE_VIDEO:
0629f612 1376 ret = decode_video (ist, &avpkt, &got_output);
b34856a1
AK
1377 if (avpkt.duration)
1378 ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
aba232cf 1379 else if (ist->st->avg_frame_rate.num)
82494835 1380 ist->next_dts += av_rescale_q(1, av_inv_q(ist->st->avg_frame_rate),
722410ad 1381 AV_TIME_BASE_Q);
b34856a1
AK
1382 else if (ist->st->codec->time_base.num != 0) {
1383 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
1384 ist->st->codec->ticks_per_frame;
1385 ist->next_dts += av_rescale_q(ticks, ist->st->codec->time_base, AV_TIME_BASE_Q);
1386 }
82963f8f
AK
1387 break;
1388 case AVMEDIA_TYPE_SUBTITLE:
1389 ret = transcode_subtitles(ist, &avpkt, &got_output);
1390 break;
78162b4e
AK
1391 default:
1392 return -1;
1393 }
6291d7e4 1394
d3c1d37a
AK
1395 if (ret < 0)
1396 return ret;
aa38cff2
JG
1397 // touch data and size only if not EOF
1398 if (pkt) {
1399 avpkt.data += ret;
1400 avpkt.size -= ret;
1401 }
82963f8f 1402 if (!got_output) {
af8ad892 1403 continue;
82963f8f 1404 }
6291d7e4 1405 }
6291d7e4 1406
7204ec1a 1407 /* handle stream copy */
2a651b71
AK
1408 if (!ist->decoding_needed) {
1409 rate_emu_sleep(ist);
23576b3f 1410 ist->last_dts = ist->next_dts;
2a651b71
AK
1411 switch (ist->st->codec->codec_type) {
1412 case AVMEDIA_TYPE_AUDIO:
3101bb66 1413 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2a651b71
AK
1414 ist->st->codec->sample_rate;
1415 break;
1416 case AVMEDIA_TYPE_VIDEO:
1417 if (ist->st->codec->time_base.num != 0) {
7636c8c6 1418 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
3101bb66 1419 ist->next_dts += ((int64_t)AV_TIME_BASE *
2a651b71
AK
1420 ist->st->codec->time_base.num * ticks) /
1421 ist->st->codec->time_base.den;
1422 }
1423 break;
1424 }
1425 }
ea9367e9 1426 for (i = 0; pkt && i < nb_output_streams; i++) {
2e215267 1427 OutputStream *ost = output_streams[i];
7204ec1a
AK
1428
1429 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1430 continue;
1431
1432 do_streamcopy(ist, ost, pkt);
1433 }
1434
6291d7e4
AK
1435 return 0;
1436}
1437
ea9367e9 1438static void print_sdp(void)
6291d7e4
AK
1439{
1440 char sdp[2048];
af70aa45 1441 int i;
ea9367e9 1442 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
af70aa45
AK
1443
1444 if (!avc)
1445 exit_program(1);
ea9367e9 1446 for (i = 0; i < nb_output_files; i++)
2e215267 1447 avc[i] = output_files[i]->ctx;
6291d7e4 1448
ea9367e9 1449 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
6291d7e4
AK
1450 printf("SDP:\n%s\n", sdp);
1451 fflush(stdout);
af70aa45 1452 av_freep(&avc);
6291d7e4
AK
1453}
1454
ea9367e9 1455static int init_input_stream(int ist_index, char *error, int error_len)
630902a1
AK
1456{
1457 int i;
2e215267 1458 InputStream *ist = input_streams[ist_index];
630902a1
AK
1459 if (ist->decoding_needed) {
1460 AVCodec *codec = ist->dec;
630902a1 1461 if (!codec) {
9a414d89 1462 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
630902a1
AK
1463 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1464 return AVERROR(EINVAL);
1465 }
1466
1467 /* update requested sample format for the decoder based on the
1468 corresponding encoder sample format */
1469 for (i = 0; i < nb_output_streams; i++) {
2e215267 1470 OutputStream *ost = output_streams[i];
630902a1
AK
1471 if (ost->source_index == ist_index) {
1472 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1473 break;
1474 }
1475 }
1476
64dca32c
AK
1477 if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
1478 ist->st->codec->get_buffer = codec_get_buffer;
1479 ist->st->codec->release_buffer = codec_release_buffer;
3ffa2335 1480 ist->st->codec->opaque = &ist->buffer_pool;
64dca32c
AK
1481 }
1482
2473a45c
JG
1483 if (!av_dict_get(ist->opts, "threads", NULL, 0))
1484 av_dict_set(&ist->opts, "threads", "auto", 0);
630902a1 1485 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
9a414d89 1486 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
630902a1
AK
1487 ist->file_index, ist->st->index);
1488 return AVERROR(EINVAL);
1489 }
1490 assert_codec_experimental(ist->st->codec, 0);
1491 assert_avoptions(ist->opts);
1492 }
1493
23576b3f 1494 ist->last_dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
3101bb66 1495 ist->next_dts = AV_NOPTS_VALUE;
630902a1
AK
1496 init_pts_correction(&ist->pts_ctx);
1497 ist->is_start = 1;
1498
1499 return 0;
1500}
1501
3b266da3
AK
1502static InputStream *get_input_stream(OutputStream *ost)
1503{
1504 if (ost->source_index >= 0)
1505 return input_streams[ost->source_index];
1506
1507 if (ost->filter) {
1508 FilterGraph *fg = ost->filter->graph;
1509 int i;
1510
1511 for (i = 0; i < fg->nb_inputs; i++)
1512 if (fg->inputs[i]->ist->st->codec->codec_type == ost->st->codec->codec_type)
1513 return fg->inputs[i]->ist;
1514 }
1515
1516 return NULL;
1517}
1518
19ad5673
AK
1519static void parse_forced_key_frames(char *kf, OutputStream *ost,
1520 AVCodecContext *avctx)
1521{
1522 char *p;
1523 int n = 1, i;
1524 int64_t t;
1525
1526 for (p = kf; *p; p++)
1527 if (*p == ',')
1528 n++;
1529 ost->forced_kf_count = n;
1530 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1531 if (!ost->forced_kf_pts) {
1532 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1533 exit_program(1);
1534 }
4c679750
RD
1535
1536 p = kf;
19ad5673 1537 for (i = 0; i < n; i++) {
4c679750
RD
1538 char *next = strchr(p, ',');
1539
1540 if (next)
1541 *next++ = 0;
1542
19ad5673
AK
1543 t = parse_time_or_die("force_key_frames", p, 1);
1544 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
4c679750
RD
1545
1546 p = next;
19ad5673
AK
1547 }
1548}
1549
ea9367e9 1550static int transcode_init(void)
6291d7e4 1551{
2c474ddb 1552 int ret = 0, i, j, k;
1bb77e51 1553 AVFormatContext *oc;
a5fd7c60 1554 AVCodecContext *codec;
4288e031 1555 OutputStream *ost;
6291d7e4
AK
1556 InputStream *ist;
1557 char error[1024];
1558 int want_sdp = 1;
b0c9e8e0 1559
f4805328
AK
1560 /* init framerate emulation */
1561 for (i = 0; i < nb_input_files; i++) {
2e215267 1562 InputFile *ifile = input_files[i];
f4805328
AK
1563 if (ifile->rate_emu)
1564 for (j = 0; j < ifile->nb_streams; j++)
2e215267 1565 input_streams[j + ifile->ist_index]->start = av_gettime();
f4805328 1566 }
6291d7e4
AK
1567
1568 /* output stream init */
03f30c83 1569 for (i = 0; i < nb_output_files; i++) {
2e215267 1570 oc = output_files[i]->ctx;
1bb77e51
AK
1571 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
1572 av_dump_format(oc, i, oc->filename, 1);
e3245b26 1573 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
eaf2d37a 1574 return AVERROR(EINVAL);
6291d7e4 1575 }
6291d7e4
AK
1576 }
1577
3b266da3
AK
1578 /* init complex filtergraphs */
1579 for (i = 0; i < nb_filtergraphs; i++)
1580 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
1581 return ret;
1582
6291d7e4 1583 /* for each output stream, we compute the right encoding parameters */
4288e031 1584 for (i = 0; i < nb_output_streams; i++) {
a5fd7c60 1585 AVCodecContext *icodec = NULL;
2e215267
AK
1586 ost = output_streams[i];
1587 oc = output_files[ost->file_index]->ctx;
3b266da3 1588 ist = get_input_stream(ost);
6291d7e4 1589
4dbc6cee
AK
1590 if (ost->attachment_filename)
1591 continue;
1592
03f30c83 1593 codec = ost->st->codec;
6291d7e4 1594
3b266da3
AK
1595 if (ist) {
1596 icodec = ist->st->codec;
1597
1598 ost->st->disposition = ist->st->disposition;
1599 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
1600 codec->chroma_sample_location = icodec->chroma_sample_location;
1601 }
6291d7e4 1602
3d813e4c 1603 if (ost->stream_copy) {
8c4022ac
AK
1604 uint64_t extra_size;
1605
1606 av_assert0(ist && !ost->filter);
1607
1608 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
6291d7e4 1609
e6d2b737 1610 if (extra_size > INT_MAX) {
eaf2d37a 1611 return AVERROR(EINVAL);
e6d2b737 1612 }
6291d7e4
AK
1613
1614 /* if stream_copy is selected, no need to decode or encode */
03f30c83 1615 codec->codec_id = icodec->codec_id;
6291d7e4
AK
1616 codec->codec_type = icodec->codec_type;
1617
03f30c83
AK
1618 if (!codec->codec_tag) {
1619 if (!oc->oformat->codec_tag ||
1620 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
1621 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
6291d7e4
AK
1622 codec->codec_tag = icodec->codec_tag;
1623 }
1624
03f30c83 1625 codec->bit_rate = icodec->bit_rate;
6291d7e4
AK
1626 codec->rc_max_rate = icodec->rc_max_rate;
1627 codec->rc_buffer_size = icodec->rc_buffer_size;
4bf3c8f2 1628 codec->field_order = icodec->field_order;
03f30c83 1629 codec->extradata = av_mallocz(extra_size);
e6d2b737 1630 if (!codec->extradata) {
eaf2d37a 1631 return AVERROR(ENOMEM);
e6d2b737 1632 }
6291d7e4 1633 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
03f30c83 1634 codec->extradata_size = icodec->extradata_size;
7bb3e625 1635 if (!copy_tb) {
03f30c83 1636 codec->time_base = icodec->time_base;
6291d7e4
AK
1637 codec->time_base.num *= icodec->ticks_per_frame;
1638 av_reduce(&codec->time_base.num, &codec->time_base.den,
1639 codec->time_base.num, codec->time_base.den, INT_MAX);
03f30c83 1640 } else
6291d7e4 1641 codec->time_base = ist->st->time_base;
03f30c83 1642
7636c8c6 1643 switch (codec->codec_type) {
6291d7e4 1644 case AVMEDIA_TYPE_AUDIO:
7636c8c6 1645 if (audio_volume != 256) {
e3245b26 1646 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
6291d7e4
AK
1647 exit_program(1);
1648 }
03f30c83
AK
1649 codec->channel_layout = icodec->channel_layout;
1650 codec->sample_rate = icodec->sample_rate;
1651 codec->channels = icodec->channels;
1652 codec->frame_size = icodec->frame_size;
6291d7e4 1653 codec->audio_service_type = icodec->audio_service_type;
03f30c83 1654 codec->block_align = icodec->block_align;
6291d7e4
AK
1655 break;
1656 case AVMEDIA_TYPE_VIDEO:
03f30c83
AK
1657 codec->pix_fmt = icodec->pix_fmt;
1658 codec->width = icodec->width;
1659 codec->height = icodec->height;
1660 codec->has_b_frames = icodec->has_b_frames;
6291d7e4 1661 if (!codec->sample_aspect_ratio.num) {
03f30c83 1662 codec->sample_aspect_ratio =
6291d7e4
AK
1663 ost->st->sample_aspect_ratio =
1664 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1665 ist->st->codec->sample_aspect_ratio.num ?
1666 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1667 }
1668 break;
1669 case AVMEDIA_TYPE_SUBTITLE:
03f30c83 1670 codec->width = icodec->width;
6291d7e4
AK
1671 codec->height = icodec->height;
1672 break;
1673 case AVMEDIA_TYPE_DATA:
3ccd1580 1674 case AVMEDIA_TYPE_ATTACHMENT:
6291d7e4
AK
1675 break;
1676 default:
1677 abort();
1678 }
1679 } else {
2994913d
AK
1680 if (!ost->enc) {
1681 /* should only happen when a default codec is not present. */
1682 snprintf(error, sizeof(error), "Automatic encoder selection "
1683 "failed for output stream #%d:%d. Default encoder for "
1684 "format %s is probably disabled. Please choose an "
1685 "encoder manually.\n", ost->file_index, ost->index,
1686 oc->oformat->name);
1687 ret = AVERROR(EINVAL);
1688 goto dump_format;
1689 }
03f30c83 1690
3b266da3
AK
1691 if (ist)
1692 ist->decoding_needed = 1;
11fdb7e1 1693 ost->encoding_needed = 1;
03f30c83 1694
74b961db
AK
1695 /*
1696 * We want CFR output if and only if one of those is true:
1697 * 1) user specified output framerate with -r
1698 * 2) user specified -vsync cfr
1699 * 3) output format is CFR and the user didn't force vsync to
1700 * something else than CFR
1701 *
1702 * in such a case, set ost->frame_rate
1703 */
1704 if (codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1705 !ost->frame_rate.num && ist &&
1706 (video_sync_method == VSYNC_CFR ||
1707 (video_sync_method == VSYNC_AUTO &&
1708 !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
44b0b85f
AK
1709 ost->frame_rate = ist->framerate.num ? ist->framerate :
1710 ist->st->avg_frame_rate.num ?
1711 ist->st->avg_frame_rate :
1712 (AVRational){25, 1};
1713
74b961db
AK
1714 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
1715 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
1716 ost->frame_rate = ost->enc->supported_framerates[idx];
1717 }
1718 }
1719
369cb092
AK
1720 if (!ost->filter &&
1721 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
1722 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
3b266da3
AK
1723 FilterGraph *fg;
1724 fg = init_simple_filtergraph(ist, ost);
8daf21d5 1725 if (configure_filtergraph(fg)) {
3b266da3
AK
1726 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
1727 exit(1);
1728 }
369cb092 1729 }
3b266da3 1730
369cb092
AK
1731 switch (codec->codec_type) {
1732 case AVMEDIA_TYPE_AUDIO:
1733 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
1734 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
1735 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
1736 codec->channels = av_get_channel_layout_nb_channels(codec->channel_layout);
1737 codec->time_base = (AVRational){ 1, codec->sample_rate };
1738 break;
1739 case AVMEDIA_TYPE_VIDEO:
74b961db 1740 codec->time_base = ost->filter->filter->inputs[0]->time_base;
6291d7e4 1741
3b266da3
AK
1742 codec->width = ost->filter->filter->inputs[0]->w;
1743 codec->height = ost->filter->filter->inputs[0]->h;
1744 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
1745 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
1746 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
1747 ost->filter->filter->inputs[0]->sample_aspect_ratio;
1748 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
b7327887 1749
a5fd7c60
AK
1750 if (icodec &&
1751 (codec->width != icodec->width ||
1752 codec->height != icodec->height ||
1753 codec->pix_fmt != icodec->pix_fmt)) {
b7327887
AK
1754 codec->bits_per_raw_sample = 0;
1755 }
1756
19ad5673
AK
1757 if (ost->forced_keyframes)
1758 parse_forced_key_frames(ost->forced_keyframes, ost,
1759 ost->st->codec);
6291d7e4
AK
1760 break;
1761 case AVMEDIA_TYPE_SUBTITLE:
c9af8326 1762 codec->time_base = (AVRational){1, 1000};
6291d7e4
AK
1763 break;
1764 default:
1765 abort();
1766 break;
1767 }
1768 /* two pass mode */
515901fa 1769 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
6291d7e4
AK
1770 char logfilename[1024];
1771 FILE *f;
1772
1773 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
bbcedade
AK
1774 ost->logfile_prefix ? ost->logfile_prefix :
1775 DEFAULT_PASS_LOGFILENAME_PREFIX,
6291d7e4 1776 i);
6e8be949
AK
1777 if (!strcmp(ost->enc->name, "libx264")) {
1778 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
1779 } else {
64334ddb
AK
1780 if (codec->flags & CODEC_FLAG_PASS1) {
1781 f = fopen(logfilename, "wb");
1782 if (!f) {
1783 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
1784 logfilename, strerror(errno));
1785 exit_program(1);
1786 }
1787 ost->logfile = f;
1788 } else {
1789 char *logbuffer;
1790 size_t logbuffer_size;
1791 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
1792 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
1793 logfilename);
1794 exit_program(1);
1795 }
1796 codec->stats_in = logbuffer;
6291d7e4 1797 }
6e8be949 1798 }
6291d7e4
AK
1799 }
1800 }
6291d7e4
AK
1801 }
1802
1803 /* open each encoder */
4288e031 1804 for (i = 0; i < nb_output_streams; i++) {
2e215267 1805 ost = output_streams[i];
6291d7e4 1806 if (ost->encoding_needed) {
03f30c83 1807 AVCodec *codec = ost->enc;
3b266da3 1808 AVCodecContext *dec = NULL;
3b266da3
AK
1809
1810 if ((ist = get_input_stream(ost)))
1811 dec = ist->st->codec;
1812 if (dec && dec->subtitle_header) {
6291d7e4
AK
1813 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
1814 if (!ost->st->codec->subtitle_header) {
1815 ret = AVERROR(ENOMEM);
1816 goto dump_format;
1817 }
1818 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
1819 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
1820 }
2473a45c
JG
1821 if (!av_dict_get(ost->opts, "threads", NULL, 0))
1822 av_dict_set(&ost->opts, "threads", "auto", 0);
6291d7e4 1823 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
9a414d89 1824 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
6291d7e4
AK
1825 ost->file_index, ost->index);
1826 ret = AVERROR(EINVAL);
1827 goto dump_format;
1828 }
1829 assert_codec_experimental(ost->st->codec, 1);
1830 assert_avoptions(ost->opts);
1831 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
1832 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
1833 "It takes bits/s as argument, not kbits/s\n");
1834 extra_size += ost->st->codec->extradata_size;
d242d80e
AK
1835
1836 if (ost->st->codec->me_threshold)
2e215267 1837 input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
6291d7e4
AK
1838 }
1839 }
1840
630902a1
AK
1841 /* init input streams */
1842 for (i = 0; i < nb_input_streams; i++)
ea9367e9 1843 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
630902a1 1844 goto dump_format;
6291d7e4 1845
2c474ddb
AK
1846 /* discard unused programs */
1847 for (i = 0; i < nb_input_files; i++) {
2e215267 1848 InputFile *ifile = input_files[i];
2c474ddb
AK
1849 for (j = 0; j < ifile->ctx->nb_programs; j++) {
1850 AVProgram *p = ifile->ctx->programs[j];
1851 int discard = AVDISCARD_ALL;
1852
1853 for (k = 0; k < p->nb_stream_indexes; k++)
2e215267 1854 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2c474ddb
AK
1855 discard = AVDISCARD_DEFAULT;
1856 break;
1857 }
1858 p->discard = discard;
1859 }
1860 }
1861
6291d7e4 1862 /* open files and write file headers */
af70aa45 1863 for (i = 0; i < nb_output_files; i++) {
2e215267 1864 oc = output_files[i]->ctx;
1bb77e51 1865 oc->interrupt_callback = int_cb;
a1a6cdc2
MS
1866 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
1867 char errbuf[128];
1868 const char *errbuf_ptr = errbuf;
1869 if (av_strerror(ret, errbuf, sizeof(errbuf)) < 0)
1870 errbuf_ptr = strerror(AVUNERROR(ret));
1871 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?): %s", i, errbuf_ptr);
6291d7e4
AK
1872 ret = AVERROR(EINVAL);
1873 goto dump_format;
1874 }
2e215267 1875 assert_avoptions(output_files[i]->opts);
1bb77e51 1876 if (strcmp(oc->oformat->name, "rtp")) {
6291d7e4
AK
1877 want_sdp = 0;
1878 }
1879 }
1880
1881 dump_format:
1882 /* dump the file output parameters - cannot be done before in case
1883 of stream copy */
03f30c83 1884 for (i = 0; i < nb_output_files; i++) {
2e215267 1885 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
6291d7e4
AK
1886 }
1887
1888 /* dump the stream mapping */
e3245b26 1889 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3b266da3
AK
1890 for (i = 0; i < nb_input_streams; i++) {
1891 ist = input_streams[i];
1892
1893 for (j = 0; j < ist->nb_filters; j++) {
3b266da3
AK
1894 if (ist->filters[j]->graph->graph_desc) {
1895 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
1896 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
cf6c38c6 1897 ist->filters[j]->name);
3b266da3
AK
1898 if (nb_filtergraphs > 1)
1899 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
1900 av_log(NULL, AV_LOG_INFO, "\n");
1901 }
1902 }
1903 }
1904
e3245b26 1905 for (i = 0; i < nb_output_streams; i++) {
2e215267 1906 ost = output_streams[i];
4dbc6cee
AK
1907
1908 if (ost->attachment_filename) {
1909 /* an attached file */
1910 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
1911 ost->attachment_filename, ost->file_index, ost->index);
1912 continue;
1913 }
3b266da3
AK
1914
1915 if (ost->filter && ost->filter->graph->graph_desc) {
1916 /* output from a complex graph */
cf6c38c6 1917 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3b266da3
AK
1918 if (nb_filtergraphs > 1)
1919 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
1920
1921 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
1922 ost->index, ost->enc ? ost->enc->name : "?");
1923 continue;
1924 }
1925
9a414d89 1926 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2e215267
AK
1927 input_streams[ost->source_index]->file_index,
1928 input_streams[ost->source_index]->st->index,
e3245b26
AK
1929 ost->file_index,
1930 ost->index);
2e215267 1931 if (ost->sync_ist != input_streams[ost->source_index])
9a414d89 1932 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
e3245b26
AK
1933 ost->sync_ist->file_index,
1934 ost->sync_ist->st->index);
3d813e4c 1935 if (ost->stream_copy)
e3245b26
AK
1936 av_log(NULL, AV_LOG_INFO, " (copy)");
1937 else
2e215267
AK
1938 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
1939 input_streams[ost->source_index]->dec->name : "?",
e3245b26
AK
1940 ost->enc ? ost->enc->name : "?");
1941 av_log(NULL, AV_LOG_INFO, "\n");
6291d7e4
AK
1942 }
1943
1944 if (ret) {
e3245b26 1945 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
eaf2d37a 1946 return ret;
6291d7e4
AK
1947 }
1948
1949 if (want_sdp) {
ea9367e9 1950 print_sdp();
6291d7e4
AK
1951 }
1952
eaf2d37a
AC
1953 return 0;
1954}
1955
2f51ec2b
AK
1956/**
1957 * @return 1 if there are still streams where more output is wanted,
1958 * 0 otherwise
1959 */
1960static int need_output(void)
1961{
1962 int i;
1963
1964 for (i = 0; i < nb_output_streams; i++) {
1965 OutputStream *ost = output_streams[i];
1966 OutputFile *of = output_files[ost->file_index];
1967 AVFormatContext *os = output_files[ost->file_index]->ctx;
1968
57d24225 1969 if (ost->finished ||
2f51ec2b
AK
1970 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
1971 continue;
e58b75f7 1972 if (ost->frame_number >= ost->max_frames) {
2f51ec2b
AK
1973 int j;
1974 for (j = 0; j < of->ctx->nb_streams; j++)
57d24225 1975 output_streams[of->ost_index + j]->finished = 1;
2f51ec2b
AK
1976 continue;
1977 }
1978
1979 return 1;
1980 }
1981
1982 return 0;
1983}
1984
83916029 1985static InputFile *select_input_file(void)
a508e7a1 1986{
83916029 1987 InputFile *ifile = NULL;
a508e7a1 1988 int64_t ipts_min = INT64_MAX;
83916029 1989 int i;
a508e7a1
AK
1990
1991 for (i = 0; i < nb_input_streams; i++) {
1992 InputStream *ist = input_streams[i];
1993 int64_t ipts = ist->last_dts;
1994
0b26ef42 1995 if (ist->discard || input_files[ist->file_index]->eagain)
a508e7a1
AK
1996 continue;
1997 if (!input_files[ist->file_index]->eof_reached) {
1998 if (ipts < ipts_min) {
1999 ipts_min = ipts;
83916029 2000 ifile = input_files[ist->file_index];
a508e7a1
AK
2001 }
2002 }
2003 }
2004
83916029 2005 return ifile;
a508e7a1
AK
2006}
2007
47b812e9 2008#if HAVE_PTHREADS
5db5169e
AK
2009static void *input_thread(void *arg)
2010{
2011 InputFile *f = arg;
2012 int ret = 0;
2013
2014 while (!transcoding_finished && ret >= 0) {
2015 AVPacket pkt;
2016 ret = av_read_frame(f->ctx, &pkt);
2017
2018 if (ret == AVERROR(EAGAIN)) {
896bb0d7 2019 av_usleep(10000);
5db5169e
AK
2020 ret = 0;
2021 continue;
2022 } else if (ret < 0)
2023 break;
2024
2025 pthread_mutex_lock(&f->fifo_lock);
2026 while (!av_fifo_space(f->fifo))
2027 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
2028
2029 av_dup_packet(&pkt);
2030 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
2031
2032 pthread_mutex_unlock(&f->fifo_lock);
2033 }
2034
2035 f->finished = 1;
2036 return NULL;
2037}
2038
2039static void free_input_threads(void)
2040{
2041 int i;
2042
2043 if (nb_input_files == 1)
2044 return;
2045
2046 transcoding_finished = 1;
2047
2048 for (i = 0; i < nb_input_files; i++) {
2049 InputFile *f = input_files[i];
2050 AVPacket pkt;
2051
9034b0ed 2052 if (!f->fifo || f->joined)
5db5169e
AK
2053 continue;
2054
2055 pthread_mutex_lock(&f->fifo_lock);
2056 while (av_fifo_size(f->fifo)) {
2057 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2058 av_free_packet(&pkt);
2059 }
2060 pthread_cond_signal(&f->fifo_cond);
2061 pthread_mutex_unlock(&f->fifo_lock);
2062
2063 pthread_join(f->thread, NULL);
2064 f->joined = 1;
2065
2066 while (av_fifo_size(f->fifo)) {
2067 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2068 av_free_packet(&pkt);
2069 }
2070 av_fifo_free(f->fifo);
2071 }
2072}
2073
2074static int init_input_threads(void)
2075{
2076 int i, ret;
2077
2078 if (nb_input_files == 1)
2079 return 0;
2080
2081 for (i = 0; i < nb_input_files; i++) {
2082 InputFile *f = input_files[i];
2083
2084 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
2085 return AVERROR(ENOMEM);
2086
2087 pthread_mutex_init(&f->fifo_lock, NULL);
2088 pthread_cond_init (&f->fifo_cond, NULL);
2089
2090 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
2091 return AVERROR(ret);
2092 }
2093 return 0;
2094}
2095
2096static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
2097{
2098 int ret = 0;
2099
2100 pthread_mutex_lock(&f->fifo_lock);
2101
2102 if (av_fifo_size(f->fifo)) {
2103 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
2104 pthread_cond_signal(&f->fifo_cond);
2105 } else {
2106 if (f->finished)
2107 ret = AVERROR_EOF;
2108 else
2109 ret = AVERROR(EAGAIN);
2110 }
2111
2112 pthread_mutex_unlock(&f->fifo_lock);
2113
2114 return ret;
2115}
2116#endif
2117
2118static int get_input_packet(InputFile *f, AVPacket *pkt)
2119{
47b812e9 2120#if HAVE_PTHREADS
5db5169e
AK
2121 if (nb_input_files > 1)
2122 return get_input_packet_mt(f, pkt);
2123#endif
2124 return av_read_frame(f->ctx, pkt);
2125}
2126
0b26ef42
AK
2127static int got_eagain(void)
2128{
2129 int i;
2130 for (i = 0; i < nb_input_files; i++)
2131 if (input_files[i]->eagain)
2132 return 1;
2133 return 0;
2134}
2135
2136static void reset_eagain(void)
2137{
2138 int i;
2139 for (i = 0; i < nb_input_files; i++)
2140 input_files[i]->eagain = 0;
2141}
2142
0c00fd80
AK
2143/**
2144 * Read one packet from an input file and send it for
2145 * - decoding -> lavfi (audio/video)
2146 * - decoding -> encoding -> muxing (subtitles)
2147 * - muxing (streamcopy)
2148 *
2149 * @return
2150 * - 0 -- one packet was read and processed
2151 * - AVERROR(EAGAIN) -- no packets were available for selected file,
2152 * this function should be called again
2153 * - AVERROR_EOF -- this function should not be called again
2154 */
2155static int process_input(void)
2156{
2157 InputFile *ifile;
2158 AVFormatContext *is;
2159 InputStream *ist;
2160 AVPacket pkt;
2161 int ret, i, j;
2162
2163 /* select the stream that we must read now */
2164 ifile = select_input_file();
2165 /* if none, if is finished */
2166 if (!ifile) {
2167 if (got_eagain()) {
2168 reset_eagain();
2169 av_usleep(10000);
2170 return AVERROR(EAGAIN);
2171 }
2172 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from.\n");
2173 return AVERROR_EOF;
2174 }
2175
2176 is = ifile->ctx;
2177 ret = get_input_packet(ifile, &pkt);
2178
2179 if (ret == AVERROR(EAGAIN)) {
2180 ifile->eagain = 1;
2181 return ret;
2182 }
2183 if (ret < 0) {
2184 if (ret != AVERROR_EOF) {
2185 print_error(is->filename, ret);
2186 if (exit_on_error)
2187 exit_program(1);
2188 }
2189 ifile->eof_reached = 1;
2190
2191 for (i = 0; i < ifile->nb_streams; i++) {
2192 ist = input_streams[ifile->ist_index + i];
2193 if (ist->decoding_needed)
2194 output_packet(ist, NULL);
2195
2196 /* mark all outputs that don't go through lavfi as finished */
2197 for (j = 0; j < nb_output_streams; j++) {
2198 OutputStream *ost = output_streams[j];
2199
2200 if (ost->source_index == ifile->ist_index + i &&
2201 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
57d24225 2202 ost->finished= 1;
0c00fd80
AK
2203 }
2204 }
2205
3c0df905 2206 return AVERROR(EAGAIN);
0c00fd80
AK
2207 }
2208
2209 reset_eagain();
2210
2211 if (do_pkt_dump) {
2212 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2213 is->streams[pkt.stream_index]);
2214 }
2215 /* the following test is needed in case new streams appear
2216 dynamically in stream : we ignore them */
2217 if (pkt.stream_index >= ifile->nb_streams)
2218 goto discard_packet;
2219
2220 ist = input_streams[ifile->ist_index + pkt.stream_index];
2221 if (ist->discard)
2222 goto discard_packet;
2223
2224 if (pkt.dts != AV_NOPTS_VALUE)
2225 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2226 if (pkt.pts != AV_NOPTS_VALUE)
2227 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2228
2229 if (pkt.pts != AV_NOPTS_VALUE)
2230 pkt.pts *= ist->ts_scale;
2231 if (pkt.dts != AV_NOPTS_VALUE)
2232 pkt.dts *= ist->ts_scale;
2233
2234 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
2235 (is->iformat->flags & AVFMT_TS_DISCONT)) {
2236 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2237 int64_t delta = pkt_dts - ist->next_dts;
2238
2239 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
2240 ifile->ts_offset -= delta;
2241 av_log(NULL, AV_LOG_DEBUG,
2242 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2243 delta, ifile->ts_offset);
2244 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2245 if (pkt.pts != AV_NOPTS_VALUE)
2246 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2247 }
2248 }
2249
2250 ret = output_packet(ist, &pkt);
2251 if (ret < 0) {
2252 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
2253 ist->file_index, ist->st->index);
2254 if (exit_on_error)
2255 exit_program(1);
2256 }
2257
2258discard_packet:
2259 av_free_packet(&pkt);
2260
2261 return 0;
2262}
2263
eaf2d37a
AC
2264/*
2265 * The following code is the main loop of the file converter
2266 */
ea9367e9 2267static int transcode(void)
eaf2d37a 2268{
0c00fd80
AK
2269 int ret, i, need_input = 1;
2270 AVFormatContext *os;
eaf2d37a
AC
2271 OutputStream *ost;
2272 InputStream *ist;
eaf2d37a
AC
2273 int64_t timer_start;
2274
ea9367e9 2275 ret = transcode_init();
eaf2d37a
AC
2276 if (ret < 0)
2277 goto fail;
2278
e3245b26 2279 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
6291d7e4
AK
2280 term_init();
2281
2282 timer_start = av_gettime();
2283
47b812e9 2284#if HAVE_PTHREADS
5db5169e
AK
2285 if ((ret = init_input_threads()) < 0)
2286 goto fail;
2287#endif
2288
c0fbf971 2289 while (!received_sigterm) {
3b266da3 2290 /* check if there's any stream where output is still needed */
2f51ec2b
AK
2291 if (!need_output()) {
2292 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3b266da3 2293 break;
2f51ec2b 2294 }
3b266da3 2295
0c00fd80
AK
2296 /* read and process one input packet if needed */
2297 if (need_input) {
2298 ret = process_input();
2299 if (ret == AVERROR_EOF)
2300 need_input = 0;
6291d7e4
AK
2301 }
2302
0c00fd80 2303 ret = poll_filters();
6291d7e4 2304 if (ret < 0) {
0c00fd80 2305 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
6291d7e4 2306 continue;
6291d7e4 2307
0c00fd80
AK
2308 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
2309 break;
6291d7e4
AK
2310 }
2311
6291d7e4 2312 /* dump report by using the output first video and audio streams */
ea9367e9 2313 print_report(0, timer_start);
6291d7e4 2314 }
47b812e9 2315#if HAVE_PTHREADS
5db5169e
AK
2316 free_input_threads();
2317#endif
6291d7e4
AK
2318
2319 /* at the end of stream, we must flush the decoder buffers */
2320 for (i = 0; i < nb_input_streams; i++) {
2e215267 2321 ist = input_streams[i];
9e8aae44 2322 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
ea9367e9 2323 output_packet(ist, NULL);
6291d7e4
AK
2324 }
2325 }
560f7774 2326 poll_filters();
ea9367e9 2327 flush_encoders();
6291d7e4
AK
2328
2329 term_exit();
2330
2331 /* write the trailer if needed and close file */
7636c8c6 2332 for (i = 0; i < nb_output_files; i++) {
2e215267 2333 os = output_files[i]->ctx;
6291d7e4
AK
2334 av_write_trailer(os);
2335 }
2336
2337 /* dump report by using the first video and audio streams */
ea9367e9 2338 print_report(1, timer_start);
6291d7e4
AK
2339
2340 /* close each encoder */
4288e031 2341 for (i = 0; i < nb_output_streams; i++) {
2e215267 2342 ost = output_streams[i];
6291d7e4
AK
2343 if (ost->encoding_needed) {
2344 av_freep(&ost->st->codec->stats_in);
2345 avcodec_close(ost->st->codec);
2346 }
6291d7e4
AK
2347 }
2348
2349 /* close each decoder */
2350 for (i = 0; i < nb_input_streams; i++) {
2e215267 2351 ist = input_streams[i];
6291d7e4
AK
2352 if (ist->decoding_needed) {
2353 avcodec_close(ist->st->codec);
2354 }
2355 }
2356
2357 /* finished ! */
2358 ret = 0;
2359
2360 fail:
47b812e9 2361#if HAVE_PTHREADS
5db5169e
AK
2362 free_input_threads();
2363#endif
6291d7e4 2364
4288e031
AK
2365 if (output_streams) {
2366 for (i = 0; i < nb_output_streams; i++) {
2e215267 2367 ost = output_streams[i];
6291d7e4 2368 if (ost) {
3d813e4c 2369 if (ost->stream_copy)
6291d7e4
AK
2370 av_freep(&ost->st->codec->extradata);
2371 if (ost->logfile) {
2372 fclose(ost->logfile);
2373 ost->logfile = NULL;
2374 }
6291d7e4 2375 av_freep(&ost->st->codec->subtitle_header);
6291d7e4 2376 av_free(ost->forced_kf_pts);
6291d7e4 2377 av_dict_free(&ost->opts);
6291d7e4
AK
2378 }
2379 }
6291d7e4
AK
2380 }
2381 return ret;
2382}
2383
f5e66827 2384static int64_t getutime(void)
a2c0b830 2385{
f5e66827
AK
2386#if HAVE_GETRUSAGE
2387 struct rusage rusage;
a2c0b830 2388
f5e66827
AK
2389 getrusage(RUSAGE_SELF, &rusage);
2390 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2391#elif HAVE_GETPROCESSTIMES
2392 HANDLE proc;
2393 FILETIME c, e, k, u;
2394 proc = GetCurrentProcess();
2395 GetProcessTimes(proc, &c, &e, &k, &u);
2396 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
2397#else
2398 return av_gettime();
2399#endif
a2c0b830
AK
2400}
2401
f5e66827 2402static int64_t getmaxrss(void)
6291d7e4 2403{
f5e66827
AK
2404#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
2405 struct rusage rusage;
2406 getrusage(RUSAGE_SELF, &rusage);
2407 return (int64_t)rusage.ru_maxrss * 1024;
2408#elif HAVE_GETPROCESSMEMORYINFO
2409 HANDLE proc;
2410 PROCESS_MEMORY_COUNTERS memcounters;
2411 proc = GetCurrentProcess();
2412 memcounters.cb = sizeof(memcounters);
2413 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
2414 return memcounters.PeakPagefileUsage;
2415#else
6291d7e4 2416 return 0;
f5e66827 2417#endif
6291d7e4
AK
2418}
2419
f5e66827 2420static void parse_cpuflags(int argc, char **argv, const OptionDef *options)
3ec34462 2421{
f5e66827
AK
2422 int idx = locate_option(argc, argv, options, "cpuflags");
2423 if (idx && argv[idx + 1])
11d957fb 2424 opt_cpuflags(NULL, "cpuflags", argv[idx + 1]);
3ec34462
AK
2425}
2426
6291d7e4
AK
2427int main(int argc, char **argv)
2428{
575ec4e1 2429 OptionsContext o = { 0 };
6291d7e4
AK
2430 int64_t ti;
2431
575ec4e1
AK
2432 reset_options(&o);
2433
6291d7e4 2434 av_log_set_flags(AV_LOG_SKIP_REPEATED);
182cbe43 2435 parse_loglevel(argc, argv, options);
6291d7e4
AK
2436
2437 avcodec_register_all();
2438#if CONFIG_AVDEVICE
2439 avdevice_register_all();
2440#endif
6291d7e4 2441 avfilter_register_all();
6291d7e4 2442 av_register_all();
776f2bb9 2443 avformat_network_init();
6291d7e4 2444
6291d7e4
AK
2445 show_banner();
2446
4138cd29
AK
2447 parse_cpuflags(argc, argv, options);
2448
6291d7e4 2449 /* parse options */
575ec4e1 2450 parse_options(&o, argc, argv, options, opt_output_file);
6291d7e4 2451
7636c8c6 2452 if (nb_output_files <= 0 && nb_input_files == 0) {
6291d7e4 2453 show_usage();
e3245b26 2454 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
6291d7e4
AK
2455 exit_program(1);
2456 }
2457
2458 /* file converter / grab */
2459 if (nb_output_files <= 0) {
2460 fprintf(stderr, "At least one output file must be specified\n");
2461 exit_program(1);
2462 }
2463
6291d7e4 2464 ti = getutime();
ea9367e9 2465 if (transcode() < 0)
6291d7e4
AK
2466 exit_program(1);
2467 ti = getutime() - ti;
2468 if (do_benchmark) {
2469 int maxrss = getmaxrss() / 1024;
2470 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
2471 }
2472
dad09ff9
AK
2473 exit_program(0);
2474 return 0;
6291d7e4 2475}