avconv: split the code for processing input packets out of transcode()
[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;
ac646076 183
19ad5673 184 av_freep(&output_streams[i]->forced_keyframes);
2e215267 185 av_freep(&output_streams[i]->avfilter);
836ce905 186 av_freep(&output_streams[i]->filtered_frame);
2e215267 187 av_freep(&output_streams[i]);
1135a071 188 }
7636c8c6 189 for (i = 0; i < nb_input_files; i++) {
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190 avformat_close_input(&input_files[i]->ctx);
191 av_freep(&input_files[i]);
6291d7e4 192 }
9179f27c 193 for (i = 0; i < nb_input_streams; i++) {
2e215267 194 av_freep(&input_streams[i]->decoded_frame);
2e215267 195 av_dict_free(&input_streams[i]->opts);
3ffa2335 196 free_buffer_pool(&input_streams[i]->buffer_pool);
560f7774 197 av_freep(&input_streams[i]->filters);
2e215267 198 av_freep(&input_streams[i]);
9179f27c 199 }
6291d7e4 200
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201 if (vstats_file)
202 fclose(vstats_file);
203 av_free(vstats_filename);
204
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205 av_freep(&input_streams);
206 av_freep(&input_files);
4288e031 207 av_freep(&output_streams);
af70aa45 208 av_freep(&output_files);
6291d7e4 209
6291d7e4 210 uninit_opts();
6291d7e4 211
6291d7e4 212 avfilter_uninit();
776f2bb9 213 avformat_network_deinit();
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214
215 if (received_sigterm) {
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216 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
217 (int) received_sigterm);
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218 exit (255);
219 }
220
f75e3d25 221 exit(ret);
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222}
223
f5e66827 224void assert_avoptions(AVDictionary *m)
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225{
226 AVDictionaryEntry *t;
227 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
f24facd3 228 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
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229 exit_program(1);
230 }
231}
232
233static void assert_codec_experimental(AVCodecContext *c, int encoder)
234{
235 const char *codec_string = encoder ? "encoder" : "decoder";
236 AVCodec *codec;
237 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
238 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
f24facd3 239 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
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240 "results.\nAdd '-strict experimental' if you want to use it.\n",
241 codec_string, c->codec->name);
242 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
243 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
f24facd3 244 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
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245 codec_string, codec->name);
246 exit_program(1);
247 }
248}
249
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250/**
251 * Update the requested input sample format based on the output sample format.
252 * This is currently only used to request float output from decoders which
253 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
254 * Ideally this will be removed in the future when decoders do not do format
255 * conversion and only output in their native format.
256 */
257static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
258 AVCodecContext *enc)
259{
260 /* if sample formats match or a decoder sample format has already been
261 requested, just return */
262 if (enc->sample_fmt == dec->sample_fmt ||
263 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
264 return;
265
266 /* if decoder supports more than one output format */
267 if (dec_codec && dec_codec->sample_fmts &&
268 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
269 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
270 const enum AVSampleFormat *p;
271 int min_dec = -1, min_inc = -1;
272
273 /* find a matching sample format in the encoder */
274 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
275 if (*p == enc->sample_fmt) {
276 dec->request_sample_fmt = *p;
277 return;
278 } else if (*p > enc->sample_fmt) {
279 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
280 } else
281 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
282 }
283
284 /* if none match, provide the one that matches quality closest */
285 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
286 enc->sample_fmt - min_dec;
287 }
288}
289
f15f02c2 290static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
7636c8c6 291{
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292 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
293 AVCodecContext *avctx = ost->st->codec;
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294 int ret;
295
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296 /*
297 * Audio encoders may split the packets -- #frames in != #packets out.
298 * But there is no reordering, so we can limit the number of output packets
299 * by simply dropping them here.
300 * Counting encoded video frames needs to be done separately because of
301 * reordering, see do_video_out()
302 */
303 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
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304 if (ost->frame_number >= ost->max_frames) {
305 av_free_packet(pkt);
99932847 306 return;
c9594fe0 307 }
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308 ost->frame_number++;
309 }
310
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311 while (bsfc) {
312 AVPacket new_pkt = *pkt;
313 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
314 &new_pkt.data, &new_pkt.size,
315 pkt->data, pkt->size,
316 pkt->flags & AV_PKT_FLAG_KEY);
317 if (a > 0) {
6291d7e4 318 av_free_packet(pkt);
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319 new_pkt.destruct = av_destruct_packet;
320 } else if (a < 0) {
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321 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
322 bsfc->filter->name, pkt->stream_index,
323 avctx->codec ? avctx->codec->name : "copy");
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324 print_error("", a);
325 if (exit_on_error)
326 exit_program(1);
327 }
7636c8c6 328 *pkt = new_pkt;
6291d7e4 329
7636c8c6 330 bsfc = bsfc->next;
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331 }
332
61a09968 333 pkt->stream_index = ost->index;
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334 ret = av_interleaved_write_frame(s, pkt);
335 if (ret < 0) {
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336 print_error("av_interleaved_write_frame()", ret);
337 exit_program(1);
338 }
339}
340
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341static int check_recording_time(OutputStream *ost)
342{
2e215267 343 OutputFile *of = output_files[ost->file_index];
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344
345 if (of->recording_time != INT64_MAX &&
346 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
347 AV_TIME_BASE_Q) >= 0) {
348 ost->is_past_recording_time = 1;
349 return 0;
350 }
351 return 1;
352}
353
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354static void do_audio_out(AVFormatContext *s, OutputStream *ost,
355 AVFrame *frame)
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356{
357 AVCodecContext *enc = ost->st->codec;
ee458cb1 358 AVPacket pkt;
369cb092 359 int got_packet = 0;
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360
361 av_init_packet(&pkt);
362 pkt.data = NULL;
363 pkt.size = 0;
364
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365 if (!check_recording_time(ost))
366 return;
1270e12e 367
369cb092 368 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
9b9fc9ba 369 frame->pts = ost->sync_opts;
369cb092 370 ost->sync_opts = frame->pts + frame->nb_samples;
ee458cb1 371
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372 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
373 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
374 exit_program(1);
375 }
376
377 if (got_packet) {
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378 if (pkt.pts != AV_NOPTS_VALUE)
379 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
a75bc764
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380 if (pkt.dts != AV_NOPTS_VALUE)
381 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
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382 if (pkt.duration > 0)
383 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
384
385 write_frame(s, &pkt, ost);
386
387 audio_size += pkt.size;
388 }
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389}
390
391static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
392{
393 AVCodecContext *dec;
394 AVPicture *picture2;
395 AVPicture picture_tmp;
396 uint8_t *buf = 0;
397
398 dec = ist->st->codec;
399
400 /* deinterlace : must be done before any resize */
401 if (do_deinterlace) {
402 int size;
403
404 /* create temporary picture */
405 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
7636c8c6 406 buf = av_malloc(size);
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407 if (!buf)
408 return;
409
410 picture2 = &picture_tmp;
411 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
412
7636c8c6 413 if (avpicture_deinterlace(picture2, picture,
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414 dec->pix_fmt, dec->width, dec->height) < 0) {
415 /* if error, do not deinterlace */
e3245b26 416 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
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417 av_free(buf);
418 buf = NULL;
419 picture2 = picture;
420 }
421 } else {
422 picture2 = picture;
423 }
424
425 if (picture != picture2)
426 *picture = *picture2;
427 *bufp = buf;
428}
429
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430static void do_subtitle_out(AVFormatContext *s,
431 OutputStream *ost,
432 InputStream *ist,
433 AVSubtitle *sub,
434 int64_t pts)
435{
436 static uint8_t *subtitle_out = NULL;
437 int subtitle_out_max_size = 1024 * 1024;
438 int subtitle_out_size, nb, i;
439 AVCodecContext *enc;
440 AVPacket pkt;
441
442 if (pts == AV_NOPTS_VALUE) {
e3245b26 443 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
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444 if (exit_on_error)
445 exit_program(1);
446 return;
447 }
448
449 enc = ost->st->codec;
450
451 if (!subtitle_out) {
452 subtitle_out = av_malloc(subtitle_out_max_size);
453 }
454
455 /* Note: DVB subtitle need one packet to draw them and one other
456 packet to clear them */
457 /* XXX: signal it in the codec context ? */
36ef5369 458 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
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459 nb = 2;
460 else
461 nb = 1;
462
7636c8c6 463 for (i = 0; i < nb; i++) {
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464 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
465 if (!check_recording_time(ost))
466 return;
467
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468 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
469 // start_display_time is required to be 0
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470 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
471 sub->end_display_time -= sub->start_display_time;
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472 sub->start_display_time = 0;
473 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
474 subtitle_out_max_size, sub);
475 if (subtitle_out_size < 0) {
e3245b26 476 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
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477 exit_program(1);
478 }
479
480 av_init_packet(&pkt);
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481 pkt.data = subtitle_out;
482 pkt.size = subtitle_out_size;
7636c8c6 483 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
36ef5369 484 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
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485 /* XXX: the pts correction is handled here. Maybe handling
486 it in the codec would be better */
487 if (i == 0)
488 pkt.pts += 90 * sub->start_display_time;
489 else
490 pkt.pts += 90 * sub->end_display_time;
491 }
f15f02c2 492 write_frame(s, &pkt, ost);
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493 }
494}
495
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496static void do_video_out(AVFormatContext *s,
497 OutputStream *ost,
87ef060c
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498 AVFrame *in_picture,
499 int *frame_size, float quality)
500{
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501 int ret, format_video_sync;
502 AVPacket pkt;
503 AVCodecContext *enc = ost->st->codec;
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504
505 *frame_size = 0;
506
553735f5 507 format_video_sync = video_sync_method;
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508 if (format_video_sync == VSYNC_AUTO)
509 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
510 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
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511 if (format_video_sync != VSYNC_PASSTHROUGH &&
512 ost->frame_number &&
513 in_picture->pts != AV_NOPTS_VALUE &&
514 in_picture->pts < ost->sync_opts) {
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515 nb_frames_drop++;
516 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
87ef060c 517 return;
d43040e2 518 }
87ef060c 519
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520 if (in_picture->pts == AV_NOPTS_VALUE)
521 in_picture->pts = ost->sync_opts;
522 ost->sync_opts = in_picture->pts;
523
524
1270e12e 525 if (!ost->frame_number)
74b961db 526 ost->first_pts = in_picture->pts;
1270e12e 527
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528 av_init_packet(&pkt);
529 pkt.data = NULL;
530 pkt.size = 0;
6291d7e4 531
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532 if (!check_recording_time(ost) ||
533 ost->frame_number >= ost->max_frames)
534 return;
1270e12e 535
39885a4b 536 if (s->oformat->flags & AVFMT_RAWPICTURE &&
36ef5369 537 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
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538 /* raw pictures are written as AVPicture structure to
539 avoid any copies. We support temporarily the older
540 method. */
541 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
542 enc->coded_frame->top_field_first = in_picture->top_field_first;
543 pkt.data = (uint8_t *)in_picture;
544 pkt.size = sizeof(AVPicture);
545 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
546 pkt.flags |= AV_PKT_FLAG_KEY;
6291d7e4 547
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548 write_frame(s, &pkt, ost);
549 } else {
550 int got_packet;
551 AVFrame big_picture;
552
553 big_picture = *in_picture;
554 /* better than nothing: use input picture interlaced
555 settings */
556 big_picture.interlaced_frame = in_picture->interlaced_frame;
557 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
558 if (ost->top_field_first == -1)
559 big_picture.top_field_first = in_picture->top_field_first;
560 else
561 big_picture.top_field_first = !!ost->top_field_first;
562 }
6291d7e4 563
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564 /* handles same_quant here. This is not correct because it may
565 not be a global option */
566 big_picture.quality = quality;
567 if (!enc->me_threshold)
568 big_picture.pict_type = 0;
569 if (ost->forced_kf_index < ost->forced_kf_count &&
570 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
571 big_picture.pict_type = AV_PICTURE_TYPE_I;
572 ost->forced_kf_index++;
573 }
574 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
575 if (ret < 0) {
576 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
577 exit_program(1);
578 }
6291d7e4 579
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580 if (got_packet) {
581 if (pkt.pts != AV_NOPTS_VALUE)
582 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
583 if (pkt.dts != AV_NOPTS_VALUE)
584 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
6291d7e4 585
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586 write_frame(s, &pkt, ost);
587 *frame_size = pkt.size;
588 video_size += pkt.size;
324fbadf 589
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590 /* if two pass, output log */
591 if (ost->logfile && enc->stats_out) {
592 fprintf(ost->logfile, "%s", enc->stats_out);
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593 }
594 }
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595 }
596 ost->sync_opts++;
597 /*
598 * For video, number of frames in == number of packets out.
599 * But there may be reordering, so we can't throw away frames on encoder
600 * flush, we need to limit them here, before they go into encoder.
601 */
602 ost->frame_number++;
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603}
604
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605static double psnr(double d)
606{
607 return -10.0 * log(d) / log(10.0);
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608}
609
610static void do_video_stats(AVFormatContext *os, OutputStream *ost,
611 int frame_size)
612{
613 AVCodecContext *enc;
614 int frame_number;
615 double ti1, bitrate, avg_bitrate;
616
617 /* this is executed just the first time do_video_stats is called */
618 if (!vstats_file) {
619 vstats_file = fopen(vstats_filename, "w");
620 if (!vstats_file) {
621 perror("fopen");
622 exit_program(1);
623 }
624 }
625
626 enc = ost->st->codec;
627 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
628 frame_number = ost->frame_number;
7636c8c6 629 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
6291d7e4 630 if (enc->flags&CODEC_FLAG_PSNR)
7636c8c6 631 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
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632
633 fprintf(vstats_file,"f_size= %6d ", frame_size);
634 /* compute pts value */
635 ti1 = ost->sync_opts * av_q2d(enc->time_base);
636 if (ti1 < 0.01)
637 ti1 = 0.01;
638
7636c8c6 639 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
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640 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
641 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
7636c8c6 642 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
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643 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
644 }
645}
646
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647/**
648 * Read one frame for lavfi output for ost and encode it.
649 */
650static int poll_filter(OutputStream *ost)
560f7774 651{
a4f50110 652 OutputFile *of = output_files[ost->file_index];
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653 AVFilterBufferRef *picref;
654 AVFrame *filtered_frame = NULL;
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655 int frame_size, ret;
656
657 if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
658 return AVERROR(ENOMEM);
659 } else
660 avcodec_get_frame_defaults(ost->filtered_frame);
661 filtered_frame = ost->filtered_frame;
662
663 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
664 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
665 ret = av_buffersink_read_samples(ost->filter->filter, &picref,
666 ost->st->codec->frame_size);
667 else
668 ret = av_buffersink_read(ost->filter->filter, &picref);
369cb092 669
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670 if (ret < 0)
671 return ret;
560f7774 672
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673 avfilter_copy_buf_props(filtered_frame, picref);
674 if (picref->pts != AV_NOPTS_VALUE) {
675 filtered_frame->pts = av_rescale_q(picref->pts,
676 ost->filter->filter->inputs[0]->time_base,
677 ost->st->codec->time_base) -
678 av_rescale_q(of->start_time,
679 AV_TIME_BASE_Q,
680 ost->st->codec->time_base);
560f7774 681
a4f50110 682 if (of->start_time && filtered_frame->pts < 0) {
560f7774 683 avfilter_unref_buffer(picref);
a4f50110 684 return 0;
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685 }
686 }
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687
688 switch (ost->filter->filter->inputs[0]->type) {
689 case AVMEDIA_TYPE_VIDEO:
690 if (!ost->frame_aspect_ratio)
691 ost->st->codec->sample_aspect_ratio = picref->video->pixel_aspect;
692
693 do_video_out(of->ctx, ost, filtered_frame, &frame_size,
694 same_quant ? ost->last_quality :
695 ost->st->codec->global_quality);
696 if (vstats_filename && frame_size)
697 do_video_stats(of->ctx, ost, frame_size);
698 break;
699 case AVMEDIA_TYPE_AUDIO:
700 do_audio_out(of->ctx, ost, filtered_frame);
701 break;
702 default:
703 // TODO support subtitle filters
704 av_assert0(0);
705 }
706
707 avfilter_unref_buffer(picref);
708
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709 return 0;
710}
711
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712/**
713 * Read as many frames from possible from lavfi and encode them.
714 *
715 * Always read from the active stream with the lowest timestamp. If no frames
716 * are available for it then return EAGAIN and wait for more input. This way we
717 * can use lavfi sources that generate unlimited amount of frames without memory
718 * usage exploding.
719 */
720static int poll_filters(void)
721{
722 int i, ret = 0;
723
724 while (ret >= 0 && !received_sigterm) {
725 OutputStream *ost = NULL;
726 int64_t min_pts = INT64_MAX;
727
728 /* choose output stream with the lowest timestamp */
729 for (i = 0; i < nb_output_streams; i++) {
730 int64_t pts = output_streams[i]->sync_opts;
731
732 if (!output_streams[i]->filter ||
733 output_streams[i]->is_past_recording_time)
734 continue;
735
736 pts = av_rescale_q(pts, output_streams[i]->st->codec->time_base,
737 AV_TIME_BASE_Q);
738 if (pts < min_pts) {
739 min_pts = pts;
740 ost = output_streams[i];
741 }
742 }
743
744 if (!ost)
745 break;
746
747 ret = poll_filter(ost);
748
749 if (ret == AVERROR_EOF) {
750 ost->is_past_recording_time = 1;
751
752 if (opt_shortest)
753 return ret;
754
755 ret = 0;
756 } else if (ret == AVERROR(EAGAIN))
757 return 0;
758 }
759
760 return ret;
761}
762
ea9367e9 763static void print_report(int is_last_report, int64_t timer_start)
6291d7e4
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764{
765 char buf[1024];
766 OutputStream *ost;
767 AVFormatContext *oc;
768 int64_t total_size;
769 AVCodecContext *enc;
770 int frame_number, vid, i;
771 double bitrate, ti1, pts;
772 static int64_t last_time = -1;
773 static int qp_histogram[52];
774
3460dd8a
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775 if (!print_stats && !is_last_report)
776 return;
777
6291d7e4
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778 if (!is_last_report) {
779 int64_t cur_time;
780 /* display the report every 0.5 seconds */
781 cur_time = av_gettime();
782 if (last_time == -1) {
783 last_time = cur_time;
784 return;
785 }
786 if ((cur_time - last_time) < 500000)
787 return;
788 last_time = cur_time;
789 }
790
791
2e215267 792 oc = output_files[0]->ctx;
6291d7e4
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793
794 total_size = avio_size(oc->pb);
7636c8c6
AD
795 if (total_size < 0) // FIXME improve avio_size() so it works with non seekable output too
796 total_size = avio_tell(oc->pb);
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797
798 buf[0] = '\0';
799 ti1 = 1e10;
800 vid = 0;
ea9367e9 801 for (i = 0; i < nb_output_streams; i++) {
6291d7e4 802 float q = -1;
2e215267 803 ost = output_streams[i];
6291d7e4 804 enc = ost->st->codec;
3d813e4c 805 if (!ost->stream_copy && enc->coded_frame)
7636c8c6 806 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
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807 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
808 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
809 }
810 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
7636c8c6 811 float t = (av_gettime() - timer_start) / 1000000.0;
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812
813 frame_number = ost->frame_number;
814 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
7636c8c6
AD
815 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
816 if (is_last_report)
6291d7e4 817 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
7636c8c6 818 if (qp_hist) {
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AK
819 int j;
820 int qp = lrintf(q);
7636c8c6 821 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
6291d7e4 822 qp_histogram[qp]++;
7636c8c6
AD
823 for (j = 0; j < 32; j++)
824 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
6291d7e4 825 }
7636c8c6 826 if (enc->flags&CODEC_FLAG_PSNR) {
6291d7e4 827 int j;
7636c8c6
AD
828 double error, error_sum = 0;
829 double scale, scale_sum = 0;
830 char type[3] = { 'Y','U','V' };
6291d7e4 831 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
7636c8c6
AD
832 for (j = 0; j < 3; j++) {
833 if (is_last_report) {
834 error = enc->error[j];
835 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
836 } else {
837 error = enc->coded_frame->error[j];
838 scale = enc->width * enc->height * 255.0 * 255.0;
6291d7e4 839 }
7636c8c6
AD
840 if (j)
841 scale /= 4;
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842 error_sum += error;
843 scale_sum += scale;
7636c8c6 844 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
6291d7e4 845 }
7636c8c6 846 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
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847 }
848 vid = 1;
849 }
850 /* compute min output value */
851 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
852 if ((pts < ti1) && (pts > 0))
853 ti1 = pts;
854 }
855 if (ti1 < 0.01)
856 ti1 = 0.01;
857
e3245b26 858 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
6291d7e4 859
e3245b26 860 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
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861 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
862 (double)total_size / 1024, ti1, bitrate);
863
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864 if (nb_frames_dup || nb_frames_drop)
865 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
866 nb_frames_dup, nb_frames_drop);
6291d7e4 867
f5646a32 868 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
6291d7e4 869
e3245b26 870 fflush(stderr);
6291d7e4 871
e3245b26 872 if (is_last_report) {
6291d7e4 873 int64_t raw= audio_size + video_size + extra_size;
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874 av_log(NULL, AV_LOG_INFO, "\n");
875 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
7636c8c6
AD
876 video_size / 1024.0,
877 audio_size / 1024.0,
878 extra_size / 1024.0,
879 100.0 * (total_size - raw) / raw
6291d7e4
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880 );
881 }
882}
883
ea9367e9 884static void flush_encoders(void)
4a4ce2e7
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885{
886 int i, ret;
887
ea9367e9 888 for (i = 0; i < nb_output_streams; i++) {
2e215267 889 OutputStream *ost = output_streams[i];
6f1c66d5 890 AVCodecContext *enc = ost->st->codec;
2e215267 891 AVFormatContext *os = output_files[ost->file_index]->ctx;
ee458cb1 892 int stop_encoding = 0;
6f1c66d5 893
b62b5cb6 894 if (!ost->encoding_needed)
6f1c66d5
AK
895 continue;
896
7636c8c6 897 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
6f1c66d5 898 continue;
36ef5369 899 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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900 continue;
901
7636c8c6 902 for (;;) {
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903 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
904 const char *desc;
905 int64_t *size;
6f1c66d5
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906
907 switch (ost->st->codec->codec_type) {
908 case AVMEDIA_TYPE_AUDIO:
369cb092
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909 encode = avcodec_encode_audio2;
910 desc = "Audio";
911 size = &audio_size;
6f1c66d5
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912 break;
913 case AVMEDIA_TYPE_VIDEO:
369cb092
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914 encode = avcodec_encode_video2;
915 desc = "Video";
916 size = &video_size;
917 break;
918 default:
919 stop_encoding = 1;
920 }
921
922 if (encode) {
923 AVPacket pkt;
924 int got_packet;
925 av_init_packet(&pkt);
926 pkt.data = NULL;
927 pkt.size = 0;
928
929 ret = encode(enc, &pkt, NULL, &got_packet);
6f1c66d5 930 if (ret < 0) {
369cb092 931 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
6f1c66d5
AK
932 exit_program(1);
933 }
369cb092 934 *size += ret;
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935 if (ost->logfile && enc->stats_out) {
936 fprintf(ost->logfile, "%s", enc->stats_out);
937 }
8e37038a 938 if (!got_packet) {
ee458cb1
JR
939 stop_encoding = 1;
940 break;
941 }
8e37038a
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942 if (pkt.pts != AV_NOPTS_VALUE)
943 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
944 if (pkt.dts != AV_NOPTS_VALUE)
945 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
ee458cb1 946 write_frame(os, &pkt, ost);
4a4ce2e7 947 }
369cb092 948
ee458cb1 949 if (stop_encoding)
6f1c66d5 950 break;
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951 }
952 }
953}
954
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955/*
956 * Check whether a packet from ist should be written into ost at this time
957 */
958static int check_output_constraints(InputStream *ist, OutputStream *ost)
959{
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960 OutputFile *of = output_files[ost->file_index];
961 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
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962
963 if (ost->source_index != ist_index)
964 return 0;
965
23576b3f 966 if (of->start_time && ist->last_dts < of->start_time)
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967 return 0;
968
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969 return 1;
970}
971
972static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
973{
2e215267 974 OutputFile *of = output_files[ost->file_index];
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975 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
976 AVPacket opkt;
977
978 av_init_packet(&opkt);
979
980 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
981 !ost->copy_initial_nonkeyframes)
982 return;
983
1270e12e 984 if (of->recording_time != INT64_MAX &&
23576b3f 985 ist->last_dts >= of->recording_time + of->start_time) {
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986 ost->is_past_recording_time = 1;
987 return;
988 }
989
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990 /* force the input stream PTS */
991 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
992 audio_size += pkt->size;
993 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
994 video_size += pkt->size;
995 ost->sync_opts++;
996 }
997
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998 if (pkt->pts != AV_NOPTS_VALUE)
999 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1000 else
1001 opkt.pts = AV_NOPTS_VALUE;
1002
1003 if (pkt->dts == AV_NOPTS_VALUE)
23576b3f 1004 opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base);
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1005 else
1006 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1007 opkt.dts -= ost_tb_start_time;
1008
1009 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1010 opkt.flags = pkt->flags;
1011
7636c8c6 1012 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
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1013 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
1014 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1015 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1016 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
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1017 ) {
1018 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1019 opkt.destruct = av_destruct_packet;
1020 } else {
1021 opkt.data = pkt->data;
1022 opkt.size = pkt->size;
1023 }
1024
f15f02c2 1025 write_frame(of->ctx, &opkt, ost);
7204ec1a 1026 ost->st->codec->frame_number++;
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1027 av_free_packet(&opkt);
1028}
1029
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1030static void rate_emu_sleep(InputStream *ist)
1031{
2e215267 1032 if (input_files[ist->file_index]->rate_emu) {
23576b3f 1033 int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
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1034 int64_t now = av_gettime() - ist->start;
1035 if (pts > now)
896bb0d7 1036 av_usleep(pts - now);
2a651b71
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1037 }
1038}
1039
f5e66827 1040int guess_input_channel_layout(InputStream *ist)
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1041{
1042 AVCodecContext *dec = ist->st->codec;
1043
1044 if (!dec->channel_layout) {
1045 char layout_name[256];
1046
1047 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1048 if (!dec->channel_layout)
1049 return 0;
1050 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1051 dec->channels, dec->channel_layout);
1052 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1053 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1054 }
1055 return 1;
1056}
1057
0629f612 1058static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
ded28ba3 1059{
d1241ff3
JR
1060 AVFrame *decoded_frame;
1061 AVCodecContext *avctx = ist->st->codec;
ded28ba3 1062 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
369cb092 1063 int i, ret, resample_changed;
ded28ba3 1064
9179f27c 1065 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
d1241ff3 1066 return AVERROR(ENOMEM);
9179f27c
JR
1067 else
1068 avcodec_get_frame_defaults(ist->decoded_frame);
1069 decoded_frame = ist->decoded_frame;
ded28ba3 1070
d1241ff3 1071 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
f154ef1a
AK
1072 if (!*got_output || ret < 0) {
1073 if (!pkt->size) {
369cb092
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1074 for (i = 0; i < ist->nb_filters; i++)
1075 av_buffersrc_buffer(ist->filters[i]->filter, NULL);
f154ef1a 1076 }
af8ad892 1077 return ret;
ded28ba3
AK
1078 }
1079
d1241ff3
JR
1080 /* if the decoder provides a pts, use it instead of the last packet pts.
1081 the decoder could be delaying output by a packet or more. */
1082 if (decoded_frame->pts != AV_NOPTS_VALUE)
3101bb66 1083 ist->next_dts = decoded_frame->pts;
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1084 else if (pkt->pts != AV_NOPTS_VALUE) {
1085 decoded_frame->pts = pkt->pts;
1086 pkt->pts = AV_NOPTS_VALUE;
1087 }
ded28ba3
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1088
1089 // preprocess audio (volume)
1090 if (audio_volume != 256) {
d1241ff3
JR
1091 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
1092 void *samples = decoded_frame->data[0];
1093 switch (avctx->sample_fmt) {
ded28ba3
AK
1094 case AV_SAMPLE_FMT_U8:
1095 {
1096 uint8_t *volp = samples;
1097 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1098 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1099 *volp++ = av_clip_uint8(v);
1100 }
1101 break;
1102 }
1103 case AV_SAMPLE_FMT_S16:
1104 {
1105 int16_t *volp = samples;
1106 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1107 int v = ((*volp) * audio_volume + 128) >> 8;
1108 *volp++ = av_clip_int16(v);
1109 }
1110 break;
1111 }
1112 case AV_SAMPLE_FMT_S32:
1113 {
1114 int32_t *volp = samples;
1115 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1116 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1117 *volp++ = av_clipl_int32(v);
1118 }
1119 break;
1120 }
1121 case AV_SAMPLE_FMT_FLT:
1122 {
1123 float *volp = samples;
1124 float scale = audio_volume / 256.f;
1125 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1126 *volp++ *= scale;
1127 }
1128 break;
1129 }
1130 case AV_SAMPLE_FMT_DBL:
1131 {
1132 double *volp = samples;
1133 double scale = audio_volume / 256.;
1134 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1135 *volp++ *= scale;
1136 }
1137 break;
1138 }
1139 default:
1140 av_log(NULL, AV_LOG_FATAL,
1141 "Audio volume adjustment on sample format %s is not supported.\n",
1142 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1143 exit_program(1);
1144 }
1145 }
1146
1147 rate_emu_sleep(ist);
1148
369cb092
AK
1149 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1150 ist->resample_channels != avctx->channels ||
1151 ist->resample_channel_layout != decoded_frame->channel_layout ||
1152 ist->resample_sample_rate != decoded_frame->sample_rate;
1153 if (resample_changed) {
1154 char layout1[64], layout2[64];
ded28ba3 1155
369cb092
AK
1156 if (!guess_input_channel_layout(ist)) {
1157 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1158 "layout for Input Stream #%d.%d\n", ist->file_index,
1159 ist->st->index);
1160 exit_program(1);
1161 }
1162 decoded_frame->channel_layout = avctx->channel_layout;
1163
1164 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1165 ist->resample_channel_layout);
1166 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1167 decoded_frame->channel_layout);
1168
1169 av_log(NULL, AV_LOG_INFO,
1170 "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",
1171 ist->file_index, ist->st->index,
1172 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1173 ist->resample_channels, layout1,
1174 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1175 avctx->channels, layout2);
1176
1177 ist->resample_sample_fmt = decoded_frame->format;
1178 ist->resample_sample_rate = decoded_frame->sample_rate;
1179 ist->resample_channel_layout = decoded_frame->channel_layout;
1180 ist->resample_channels = avctx->channels;
1181
1182 for (i = 0; i < nb_filtergraphs; i++)
1183 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1184 configure_filtergraph(filtergraphs[i]) < 0) {
1185 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1186 exit_program(1);
1187 }
ded28ba3 1188 }
110d2af2 1189
715129cd
MS
1190 if (decoded_frame->pts != AV_NOPTS_VALUE)
1191 decoded_frame->pts = av_rescale_q(decoded_frame->pts,
1192 ist->st->time_base,
1193 (AVRational){1, ist->st->codec->sample_rate});
369cb092
AK
1194 for (i = 0; i < ist->nb_filters; i++)
1195 av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame);
1196
af8ad892 1197 return ret;
ded28ba3
AK
1198}
1199
0629f612 1200static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
45d4b66f 1201{
560f7774 1202 AVFrame *decoded_frame;
45d4b66f 1203 void *buffer_to_free = NULL;
e77c8662 1204 int i, ret = 0, resample_changed;
45d4b66f 1205 float quality;
45d4b66f 1206
9179f27c 1207 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
45d4b66f 1208 return AVERROR(ENOMEM);
9179f27c
JR
1209 else
1210 avcodec_get_frame_defaults(ist->decoded_frame);
1211 decoded_frame = ist->decoded_frame;
45d4b66f
AK
1212
1213 ret = avcodec_decode_video2(ist->st->codec,
1214 decoded_frame, got_output, pkt);
f154ef1a
AK
1215 if (!*got_output || ret < 0) {
1216 if (!pkt->size) {
89605e4a
AK
1217 for (i = 0; i < ist->nb_filters; i++)
1218 av_buffersrc_buffer(ist->filters[i]->filter, NULL);
f154ef1a 1219 }
af8ad892 1220 return ret;
45d4b66f 1221 }
f154ef1a
AK
1222
1223 quality = same_quant ? decoded_frame->quality : 0;
b34856a1
AK
1224 decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1225 decoded_frame->pkt_dts);
45d4b66f
AK
1226 pkt->size = 0;
1227 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1228
1229 rate_emu_sleep(ist);
1230
695ec04e
AK
1231 if (ist->st->sample_aspect_ratio.num)
1232 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1233
e77c8662
AK
1234 resample_changed = ist->resample_width != decoded_frame->width ||
1235 ist->resample_height != decoded_frame->height ||
1236 ist->resample_pix_fmt != decoded_frame->format;
1237 if (resample_changed) {
1238 av_log(NULL, AV_LOG_INFO,
1239 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1240 ist->file_index, ist->st->index,
1241 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1242 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1243
1244 ist->resample_width = decoded_frame->width;
1245 ist->resample_height = decoded_frame->height;
1246 ist->resample_pix_fmt = decoded_frame->format;
e77c8662 1247
3b266da3
AK
1248 for (i = 0; i < nb_filtergraphs; i++)
1249 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1250 configure_filtergraph(filtergraphs[i]) < 0) {
ac646076
AK
1251 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1252 exit_program(1);
3b266da3
AK
1253 }
1254 }
ac646076 1255
3b266da3 1256 for (i = 0; i < ist->nb_filters; i++) {
560f7774
AK
1257 // XXX what an ugly hack
1258 if (ist->filters[i]->graph->nb_outputs == 1)
1259 ist->filters[i]->graph->outputs[0]->ost->last_quality = quality;
1260
04a14d4d
AK
1261 if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) {
1262 FrameBuffer *buf = decoded_frame->opaque;
1263 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
1264 decoded_frame->data, decoded_frame->linesize,
1265 AV_PERM_READ | AV_PERM_PRESERVE,
1266 ist->st->codec->width, ist->st->codec->height,
1267 ist->st->codec->pix_fmt);
1268
1269 avfilter_copy_frame_props(fb, decoded_frame);
04a14d4d
AK
1270 fb->buf->priv = buf;
1271 fb->buf->free = filter_release_buffer;
1272
1273 buf->refcount++;
560f7774 1274 av_buffersrc_buffer(ist->filters[i]->filter, fb);
04a14d4d 1275 } else
720c6b78 1276 av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame);
45d4b66f
AK
1277 }
1278
45d4b66f 1279 av_free(buffer_to_free);
45d4b66f
AK
1280 return ret;
1281}
1282
9595234c
AK
1283static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1284{
1285 AVSubtitle subtitle;
1286 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1287 &subtitle, got_output, pkt);
1288 if (ret < 0)
1289 return ret;
1290 if (!*got_output)
af8ad892 1291 return ret;
9595234c
AK
1292
1293 rate_emu_sleep(ist);
1294
1295 for (i = 0; i < nb_output_streams; i++) {
2e215267 1296 OutputStream *ost = output_streams[i];
9595234c
AK
1297
1298 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1299 continue;
1300
2e215267 1301 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
9595234c
AK
1302 }
1303
1304 avsubtitle_free(&subtitle);
af8ad892 1305 return ret;
9595234c
AK
1306}
1307
6291d7e4 1308/* pkt = NULL means EOF (needed to flush decoder buffers) */
ea9367e9 1309static int output_packet(InputStream *ist, const AVPacket *pkt)
6291d7e4 1310{
ffa0674e 1311 int i;
6291d7e4 1312 int got_output;
6291d7e4 1313 AVPacket avpkt;
6291d7e4 1314
3101bb66 1315 if (ist->next_dts == AV_NOPTS_VALUE)
23576b3f 1316 ist->next_dts = ist->last_dts;
6291d7e4
AK
1317
1318 if (pkt == NULL) {
1319 /* EOF handling */
1320 av_init_packet(&avpkt);
1321 avpkt.data = NULL;
1322 avpkt.size = 0;
1323 goto handle_eof;
1324 } else {
1325 avpkt = *pkt;
1326 }
1327
7636c8c6 1328 if (pkt->dts != AV_NOPTS_VALUE)
23576b3f 1329 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
6291d7e4 1330
7636c8c6 1331 // while we have more to decode or while the decoder did output something on EOF
2a651b71 1332 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
ffa0674e 1333 int ret = 0;
6291d7e4 1334 handle_eof:
6291d7e4 1335
23576b3f 1336 ist->last_dts = ist->next_dts;
8b0268a8
AK
1337
1338 if (avpkt.size && avpkt.size != pkt->size) {
e3245b26
AK
1339 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1340 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
8b0268a8
AK
1341 ist->showed_multi_packet_warning = 1;
1342 }
6291d7e4 1343
7636c8c6 1344 switch (ist->st->codec->codec_type) {
82963f8f 1345 case AVMEDIA_TYPE_AUDIO:
0629f612 1346 ret = decode_audio (ist, &avpkt, &got_output);
82963f8f
AK
1347 break;
1348 case AVMEDIA_TYPE_VIDEO:
0629f612 1349 ret = decode_video (ist, &avpkt, &got_output);
b34856a1
AK
1350 if (avpkt.duration)
1351 ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
aba232cf 1352 else if (ist->st->avg_frame_rate.num)
82494835 1353 ist->next_dts += av_rescale_q(1, av_inv_q(ist->st->avg_frame_rate),
722410ad 1354 AV_TIME_BASE_Q);
b34856a1
AK
1355 else if (ist->st->codec->time_base.num != 0) {
1356 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
1357 ist->st->codec->ticks_per_frame;
1358 ist->next_dts += av_rescale_q(ticks, ist->st->codec->time_base, AV_TIME_BASE_Q);
1359 }
82963f8f
AK
1360 break;
1361 case AVMEDIA_TYPE_SUBTITLE:
1362 ret = transcode_subtitles(ist, &avpkt, &got_output);
1363 break;
78162b4e
AK
1364 default:
1365 return -1;
1366 }
6291d7e4 1367
d3c1d37a
AK
1368 if (ret < 0)
1369 return ret;
aa38cff2
JG
1370 // touch data and size only if not EOF
1371 if (pkt) {
1372 avpkt.data += ret;
1373 avpkt.size -= ret;
1374 }
82963f8f 1375 if (!got_output) {
af8ad892 1376 continue;
82963f8f 1377 }
6291d7e4 1378 }
6291d7e4 1379
7204ec1a 1380 /* handle stream copy */
2a651b71
AK
1381 if (!ist->decoding_needed) {
1382 rate_emu_sleep(ist);
23576b3f 1383 ist->last_dts = ist->next_dts;
2a651b71
AK
1384 switch (ist->st->codec->codec_type) {
1385 case AVMEDIA_TYPE_AUDIO:
3101bb66 1386 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2a651b71
AK
1387 ist->st->codec->sample_rate;
1388 break;
1389 case AVMEDIA_TYPE_VIDEO:
1390 if (ist->st->codec->time_base.num != 0) {
7636c8c6 1391 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
3101bb66 1392 ist->next_dts += ((int64_t)AV_TIME_BASE *
2a651b71
AK
1393 ist->st->codec->time_base.num * ticks) /
1394 ist->st->codec->time_base.den;
1395 }
1396 break;
1397 }
1398 }
ea9367e9 1399 for (i = 0; pkt && i < nb_output_streams; i++) {
2e215267 1400 OutputStream *ost = output_streams[i];
7204ec1a
AK
1401
1402 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1403 continue;
1404
1405 do_streamcopy(ist, ost, pkt);
1406 }
1407
6291d7e4
AK
1408 return 0;
1409}
1410
ea9367e9 1411static void print_sdp(void)
6291d7e4
AK
1412{
1413 char sdp[2048];
af70aa45 1414 int i;
ea9367e9 1415 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
af70aa45
AK
1416
1417 if (!avc)
1418 exit_program(1);
ea9367e9 1419 for (i = 0; i < nb_output_files; i++)
2e215267 1420 avc[i] = output_files[i]->ctx;
6291d7e4 1421
ea9367e9 1422 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
6291d7e4
AK
1423 printf("SDP:\n%s\n", sdp);
1424 fflush(stdout);
af70aa45 1425 av_freep(&avc);
6291d7e4
AK
1426}
1427
ea9367e9 1428static int init_input_stream(int ist_index, char *error, int error_len)
630902a1
AK
1429{
1430 int i;
2e215267 1431 InputStream *ist = input_streams[ist_index];
630902a1
AK
1432 if (ist->decoding_needed) {
1433 AVCodec *codec = ist->dec;
630902a1 1434 if (!codec) {
9a414d89 1435 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
630902a1
AK
1436 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1437 return AVERROR(EINVAL);
1438 }
1439
1440 /* update requested sample format for the decoder based on the
1441 corresponding encoder sample format */
1442 for (i = 0; i < nb_output_streams; i++) {
2e215267 1443 OutputStream *ost = output_streams[i];
630902a1
AK
1444 if (ost->source_index == ist_index) {
1445 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1446 break;
1447 }
1448 }
1449
64dca32c
AK
1450 if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
1451 ist->st->codec->get_buffer = codec_get_buffer;
1452 ist->st->codec->release_buffer = codec_release_buffer;
3ffa2335 1453 ist->st->codec->opaque = &ist->buffer_pool;
64dca32c
AK
1454 }
1455
2473a45c
JG
1456 if (!av_dict_get(ist->opts, "threads", NULL, 0))
1457 av_dict_set(&ist->opts, "threads", "auto", 0);
630902a1 1458 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
9a414d89 1459 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
630902a1
AK
1460 ist->file_index, ist->st->index);
1461 return AVERROR(EINVAL);
1462 }
1463 assert_codec_experimental(ist->st->codec, 0);
1464 assert_avoptions(ist->opts);
1465 }
1466
23576b3f 1467 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 1468 ist->next_dts = AV_NOPTS_VALUE;
630902a1
AK
1469 init_pts_correction(&ist->pts_ctx);
1470 ist->is_start = 1;
1471
1472 return 0;
1473}
1474
3b266da3
AK
1475static InputStream *get_input_stream(OutputStream *ost)
1476{
1477 if (ost->source_index >= 0)
1478 return input_streams[ost->source_index];
1479
1480 if (ost->filter) {
1481 FilterGraph *fg = ost->filter->graph;
1482 int i;
1483
1484 for (i = 0; i < fg->nb_inputs; i++)
1485 if (fg->inputs[i]->ist->st->codec->codec_type == ost->st->codec->codec_type)
1486 return fg->inputs[i]->ist;
1487 }
1488
1489 return NULL;
1490}
1491
19ad5673
AK
1492static void parse_forced_key_frames(char *kf, OutputStream *ost,
1493 AVCodecContext *avctx)
1494{
1495 char *p;
1496 int n = 1, i;
1497 int64_t t;
1498
1499 for (p = kf; *p; p++)
1500 if (*p == ',')
1501 n++;
1502 ost->forced_kf_count = n;
1503 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1504 if (!ost->forced_kf_pts) {
1505 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1506 exit_program(1);
1507 }
4c679750
RD
1508
1509 p = kf;
19ad5673 1510 for (i = 0; i < n; i++) {
4c679750
RD
1511 char *next = strchr(p, ',');
1512
1513 if (next)
1514 *next++ = 0;
1515
19ad5673
AK
1516 t = parse_time_or_die("force_key_frames", p, 1);
1517 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
4c679750
RD
1518
1519 p = next;
19ad5673
AK
1520 }
1521}
1522
ea9367e9 1523static int transcode_init(void)
6291d7e4 1524{
2c474ddb 1525 int ret = 0, i, j, k;
1bb77e51 1526 AVFormatContext *oc;
6291d7e4 1527 AVCodecContext *codec, *icodec;
4288e031 1528 OutputStream *ost;
6291d7e4
AK
1529 InputStream *ist;
1530 char error[1024];
1531 int want_sdp = 1;
b0c9e8e0 1532
f4805328
AK
1533 /* init framerate emulation */
1534 for (i = 0; i < nb_input_files; i++) {
2e215267 1535 InputFile *ifile = input_files[i];
f4805328
AK
1536 if (ifile->rate_emu)
1537 for (j = 0; j < ifile->nb_streams; j++)
2e215267 1538 input_streams[j + ifile->ist_index]->start = av_gettime();
f4805328 1539 }
6291d7e4
AK
1540
1541 /* output stream init */
03f30c83 1542 for (i = 0; i < nb_output_files; i++) {
2e215267 1543 oc = output_files[i]->ctx;
1bb77e51
AK
1544 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
1545 av_dump_format(oc, i, oc->filename, 1);
e3245b26 1546 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
eaf2d37a 1547 return AVERROR(EINVAL);
6291d7e4 1548 }
6291d7e4
AK
1549 }
1550
3b266da3
AK
1551 /* init complex filtergraphs */
1552 for (i = 0; i < nb_filtergraphs; i++)
1553 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
1554 return ret;
1555
6291d7e4 1556 /* for each output stream, we compute the right encoding parameters */
4288e031 1557 for (i = 0; i < nb_output_streams; i++) {
2e215267
AK
1558 ost = output_streams[i];
1559 oc = output_files[ost->file_index]->ctx;
3b266da3 1560 ist = get_input_stream(ost);
6291d7e4 1561
4dbc6cee
AK
1562 if (ost->attachment_filename)
1563 continue;
1564
03f30c83 1565 codec = ost->st->codec;
6291d7e4 1566
3b266da3
AK
1567 if (ist) {
1568 icodec = ist->st->codec;
1569
1570 ost->st->disposition = ist->st->disposition;
1571 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
1572 codec->chroma_sample_location = icodec->chroma_sample_location;
1573 }
6291d7e4 1574
3d813e4c 1575 if (ost->stream_copy) {
8c4022ac
AK
1576 uint64_t extra_size;
1577
1578 av_assert0(ist && !ost->filter);
1579
1580 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
6291d7e4 1581
e6d2b737 1582 if (extra_size > INT_MAX) {
eaf2d37a 1583 return AVERROR(EINVAL);
e6d2b737 1584 }
6291d7e4
AK
1585
1586 /* if stream_copy is selected, no need to decode or encode */
03f30c83 1587 codec->codec_id = icodec->codec_id;
6291d7e4
AK
1588 codec->codec_type = icodec->codec_type;
1589
03f30c83
AK
1590 if (!codec->codec_tag) {
1591 if (!oc->oformat->codec_tag ||
1592 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
1593 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
6291d7e4
AK
1594 codec->codec_tag = icodec->codec_tag;
1595 }
1596
03f30c83 1597 codec->bit_rate = icodec->bit_rate;
6291d7e4
AK
1598 codec->rc_max_rate = icodec->rc_max_rate;
1599 codec->rc_buffer_size = icodec->rc_buffer_size;
4bf3c8f2 1600 codec->field_order = icodec->field_order;
03f30c83 1601 codec->extradata = av_mallocz(extra_size);
e6d2b737 1602 if (!codec->extradata) {
eaf2d37a 1603 return AVERROR(ENOMEM);
e6d2b737 1604 }
6291d7e4 1605 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
03f30c83 1606 codec->extradata_size = icodec->extradata_size;
7bb3e625 1607 if (!copy_tb) {
03f30c83 1608 codec->time_base = icodec->time_base;
6291d7e4
AK
1609 codec->time_base.num *= icodec->ticks_per_frame;
1610 av_reduce(&codec->time_base.num, &codec->time_base.den,
1611 codec->time_base.num, codec->time_base.den, INT_MAX);
03f30c83 1612 } else
6291d7e4 1613 codec->time_base = ist->st->time_base;
03f30c83 1614
7636c8c6 1615 switch (codec->codec_type) {
6291d7e4 1616 case AVMEDIA_TYPE_AUDIO:
7636c8c6 1617 if (audio_volume != 256) {
e3245b26 1618 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
6291d7e4
AK
1619 exit_program(1);
1620 }
03f30c83
AK
1621 codec->channel_layout = icodec->channel_layout;
1622 codec->sample_rate = icodec->sample_rate;
1623 codec->channels = icodec->channels;
1624 codec->frame_size = icodec->frame_size;
6291d7e4 1625 codec->audio_service_type = icodec->audio_service_type;
03f30c83 1626 codec->block_align = icodec->block_align;
6291d7e4
AK
1627 break;
1628 case AVMEDIA_TYPE_VIDEO:
03f30c83
AK
1629 codec->pix_fmt = icodec->pix_fmt;
1630 codec->width = icodec->width;
1631 codec->height = icodec->height;
1632 codec->has_b_frames = icodec->has_b_frames;
6291d7e4 1633 if (!codec->sample_aspect_ratio.num) {
03f30c83 1634 codec->sample_aspect_ratio =
6291d7e4
AK
1635 ost->st->sample_aspect_ratio =
1636 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1637 ist->st->codec->sample_aspect_ratio.num ?
1638 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1639 }
1640 break;
1641 case AVMEDIA_TYPE_SUBTITLE:
03f30c83 1642 codec->width = icodec->width;
6291d7e4
AK
1643 codec->height = icodec->height;
1644 break;
1645 case AVMEDIA_TYPE_DATA:
3ccd1580 1646 case AVMEDIA_TYPE_ATTACHMENT:
6291d7e4
AK
1647 break;
1648 default:
1649 abort();
1650 }
1651 } else {
2994913d
AK
1652 if (!ost->enc) {
1653 /* should only happen when a default codec is not present. */
1654 snprintf(error, sizeof(error), "Automatic encoder selection "
1655 "failed for output stream #%d:%d. Default encoder for "
1656 "format %s is probably disabled. Please choose an "
1657 "encoder manually.\n", ost->file_index, ost->index,
1658 oc->oformat->name);
1659 ret = AVERROR(EINVAL);
1660 goto dump_format;
1661 }
03f30c83 1662
3b266da3
AK
1663 if (ist)
1664 ist->decoding_needed = 1;
11fdb7e1 1665 ost->encoding_needed = 1;
03f30c83 1666
74b961db
AK
1667 /*
1668 * We want CFR output if and only if one of those is true:
1669 * 1) user specified output framerate with -r
1670 * 2) user specified -vsync cfr
1671 * 3) output format is CFR and the user didn't force vsync to
1672 * something else than CFR
1673 *
1674 * in such a case, set ost->frame_rate
1675 */
1676 if (codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1677 !ost->frame_rate.num && ist &&
1678 (video_sync_method == VSYNC_CFR ||
1679 (video_sync_method == VSYNC_AUTO &&
1680 !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
aba232cf 1681 ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
74b961db
AK
1682 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
1683 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
1684 ost->frame_rate = ost->enc->supported_framerates[idx];
1685 }
1686 }
1687
369cb092
AK
1688 if (!ost->filter &&
1689 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
1690 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
3b266da3
AK
1691 FilterGraph *fg;
1692 fg = init_simple_filtergraph(ist, ost);
8daf21d5 1693 if (configure_filtergraph(fg)) {
3b266da3
AK
1694 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
1695 exit(1);
1696 }
369cb092 1697 }
3b266da3 1698
369cb092
AK
1699 switch (codec->codec_type) {
1700 case AVMEDIA_TYPE_AUDIO:
1701 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
1702 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
1703 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
1704 codec->channels = av_get_channel_layout_nb_channels(codec->channel_layout);
1705 codec->time_base = (AVRational){ 1, codec->sample_rate };
1706 break;
1707 case AVMEDIA_TYPE_VIDEO:
74b961db 1708 codec->time_base = ost->filter->filter->inputs[0]->time_base;
6291d7e4 1709
3b266da3
AK
1710 codec->width = ost->filter->filter->inputs[0]->w;
1711 codec->height = ost->filter->filter->inputs[0]->h;
1712 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
1713 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
1714 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
1715 ost->filter->filter->inputs[0]->sample_aspect_ratio;
1716 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
b7327887 1717
9dced854
AK
1718 if (codec->width != icodec->width ||
1719 codec->height != icodec->height ||
1720 codec->pix_fmt != icodec->pix_fmt) {
b7327887
AK
1721 codec->bits_per_raw_sample = 0;
1722 }
1723
19ad5673
AK
1724 if (ost->forced_keyframes)
1725 parse_forced_key_frames(ost->forced_keyframes, ost,
1726 ost->st->codec);
6291d7e4
AK
1727 break;
1728 case AVMEDIA_TYPE_SUBTITLE:
c9af8326 1729 codec->time_base = (AVRational){1, 1000};
6291d7e4
AK
1730 break;
1731 default:
1732 abort();
1733 break;
1734 }
1735 /* two pass mode */
515901fa 1736 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
6291d7e4
AK
1737 char logfilename[1024];
1738 FILE *f;
1739
1740 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1741 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1742 i);
6e8be949
AK
1743 if (!strcmp(ost->enc->name, "libx264")) {
1744 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
1745 } else {
64334ddb
AK
1746 if (codec->flags & CODEC_FLAG_PASS1) {
1747 f = fopen(logfilename, "wb");
1748 if (!f) {
1749 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
1750 logfilename, strerror(errno));
1751 exit_program(1);
1752 }
1753 ost->logfile = f;
1754 } else {
1755 char *logbuffer;
1756 size_t logbuffer_size;
1757 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
1758 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
1759 logfilename);
1760 exit_program(1);
1761 }
1762 codec->stats_in = logbuffer;
6291d7e4 1763 }
6e8be949 1764 }
6291d7e4
AK
1765 }
1766 }
6291d7e4
AK
1767 }
1768
1769 /* open each encoder */
4288e031 1770 for (i = 0; i < nb_output_streams; i++) {
2e215267 1771 ost = output_streams[i];
6291d7e4 1772 if (ost->encoding_needed) {
03f30c83 1773 AVCodec *codec = ost->enc;
3b266da3 1774 AVCodecContext *dec = NULL;
3b266da3
AK
1775
1776 if ((ist = get_input_stream(ost)))
1777 dec = ist->st->codec;
1778 if (dec && dec->subtitle_header) {
6291d7e4
AK
1779 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
1780 if (!ost->st->codec->subtitle_header) {
1781 ret = AVERROR(ENOMEM);
1782 goto dump_format;
1783 }
1784 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
1785 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
1786 }
2473a45c
JG
1787 if (!av_dict_get(ost->opts, "threads", NULL, 0))
1788 av_dict_set(&ost->opts, "threads", "auto", 0);
6291d7e4 1789 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
9a414d89 1790 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
1791 ost->file_index, ost->index);
1792 ret = AVERROR(EINVAL);
1793 goto dump_format;
1794 }
1795 assert_codec_experimental(ost->st->codec, 1);
1796 assert_avoptions(ost->opts);
1797 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
1798 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
1799 "It takes bits/s as argument, not kbits/s\n");
1800 extra_size += ost->st->codec->extradata_size;
d242d80e
AK
1801
1802 if (ost->st->codec->me_threshold)
2e215267 1803 input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
6291d7e4
AK
1804 }
1805 }
1806
630902a1
AK
1807 /* init input streams */
1808 for (i = 0; i < nb_input_streams; i++)
ea9367e9 1809 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
630902a1 1810 goto dump_format;
6291d7e4 1811
2c474ddb
AK
1812 /* discard unused programs */
1813 for (i = 0; i < nb_input_files; i++) {
2e215267 1814 InputFile *ifile = input_files[i];
2c474ddb
AK
1815 for (j = 0; j < ifile->ctx->nb_programs; j++) {
1816 AVProgram *p = ifile->ctx->programs[j];
1817 int discard = AVDISCARD_ALL;
1818
1819 for (k = 0; k < p->nb_stream_indexes; k++)
2e215267 1820 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2c474ddb
AK
1821 discard = AVDISCARD_DEFAULT;
1822 break;
1823 }
1824 p->discard = discard;
1825 }
1826 }
1827
6291d7e4 1828 /* open files and write file headers */
af70aa45 1829 for (i = 0; i < nb_output_files; i++) {
2e215267 1830 oc = output_files[i]->ctx;
1bb77e51 1831 oc->interrupt_callback = int_cb;
a1a6cdc2
MS
1832 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
1833 char errbuf[128];
1834 const char *errbuf_ptr = errbuf;
1835 if (av_strerror(ret, errbuf, sizeof(errbuf)) < 0)
1836 errbuf_ptr = strerror(AVUNERROR(ret));
1837 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?): %s", i, errbuf_ptr);
6291d7e4
AK
1838 ret = AVERROR(EINVAL);
1839 goto dump_format;
1840 }
2e215267 1841 assert_avoptions(output_files[i]->opts);
1bb77e51 1842 if (strcmp(oc->oformat->name, "rtp")) {
6291d7e4
AK
1843 want_sdp = 0;
1844 }
1845 }
1846
1847 dump_format:
1848 /* dump the file output parameters - cannot be done before in case
1849 of stream copy */
03f30c83 1850 for (i = 0; i < nb_output_files; i++) {
2e215267 1851 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
6291d7e4
AK
1852 }
1853
1854 /* dump the stream mapping */
e3245b26 1855 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3b266da3
AK
1856 for (i = 0; i < nb_input_streams; i++) {
1857 ist = input_streams[i];
1858
1859 for (j = 0; j < ist->nb_filters; j++) {
3b266da3
AK
1860 if (ist->filters[j]->graph->graph_desc) {
1861 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
1862 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
cf6c38c6 1863 ist->filters[j]->name);
3b266da3
AK
1864 if (nb_filtergraphs > 1)
1865 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
1866 av_log(NULL, AV_LOG_INFO, "\n");
1867 }
1868 }
1869 }
1870
e3245b26 1871 for (i = 0; i < nb_output_streams; i++) {
2e215267 1872 ost = output_streams[i];
4dbc6cee
AK
1873
1874 if (ost->attachment_filename) {
1875 /* an attached file */
1876 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
1877 ost->attachment_filename, ost->file_index, ost->index);
1878 continue;
1879 }
3b266da3
AK
1880
1881 if (ost->filter && ost->filter->graph->graph_desc) {
1882 /* output from a complex graph */
cf6c38c6 1883 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3b266da3
AK
1884 if (nb_filtergraphs > 1)
1885 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
1886
1887 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
1888 ost->index, ost->enc ? ost->enc->name : "?");
1889 continue;
1890 }
1891
9a414d89 1892 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2e215267
AK
1893 input_streams[ost->source_index]->file_index,
1894 input_streams[ost->source_index]->st->index,
e3245b26
AK
1895 ost->file_index,
1896 ost->index);
2e215267 1897 if (ost->sync_ist != input_streams[ost->source_index])
9a414d89 1898 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
e3245b26
AK
1899 ost->sync_ist->file_index,
1900 ost->sync_ist->st->index);
3d813e4c 1901 if (ost->stream_copy)
e3245b26
AK
1902 av_log(NULL, AV_LOG_INFO, " (copy)");
1903 else
2e215267
AK
1904 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
1905 input_streams[ost->source_index]->dec->name : "?",
e3245b26
AK
1906 ost->enc ? ost->enc->name : "?");
1907 av_log(NULL, AV_LOG_INFO, "\n");
6291d7e4
AK
1908 }
1909
1910 if (ret) {
e3245b26 1911 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
eaf2d37a 1912 return ret;
6291d7e4
AK
1913 }
1914
1915 if (want_sdp) {
ea9367e9 1916 print_sdp();
6291d7e4
AK
1917 }
1918
eaf2d37a
AC
1919 return 0;
1920}
1921
2f51ec2b
AK
1922/**
1923 * @return 1 if there are still streams where more output is wanted,
1924 * 0 otherwise
1925 */
1926static int need_output(void)
1927{
1928 int i;
1929
1930 for (i = 0; i < nb_output_streams; i++) {
1931 OutputStream *ost = output_streams[i];
1932 OutputFile *of = output_files[ost->file_index];
1933 AVFormatContext *os = output_files[ost->file_index]->ctx;
1934
1935 if (ost->is_past_recording_time ||
1936 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
1937 continue;
e58b75f7 1938 if (ost->frame_number >= ost->max_frames) {
2f51ec2b
AK
1939 int j;
1940 for (j = 0; j < of->ctx->nb_streams; j++)
1941 output_streams[of->ost_index + j]->is_past_recording_time = 1;
1942 continue;
1943 }
1944
1945 return 1;
1946 }
1947
1948 return 0;
1949}
1950
83916029 1951static InputFile *select_input_file(void)
a508e7a1 1952{
83916029 1953 InputFile *ifile = NULL;
a508e7a1 1954 int64_t ipts_min = INT64_MAX;
83916029 1955 int i;
a508e7a1
AK
1956
1957 for (i = 0; i < nb_input_streams; i++) {
1958 InputStream *ist = input_streams[i];
1959 int64_t ipts = ist->last_dts;
1960
0b26ef42 1961 if (ist->discard || input_files[ist->file_index]->eagain)
a508e7a1
AK
1962 continue;
1963 if (!input_files[ist->file_index]->eof_reached) {
1964 if (ipts < ipts_min) {
1965 ipts_min = ipts;
83916029 1966 ifile = input_files[ist->file_index];
a508e7a1
AK
1967 }
1968 }
1969 }
1970
83916029 1971 return ifile;
a508e7a1
AK
1972}
1973
47b812e9 1974#if HAVE_PTHREADS
5db5169e
AK
1975static void *input_thread(void *arg)
1976{
1977 InputFile *f = arg;
1978 int ret = 0;
1979
1980 while (!transcoding_finished && ret >= 0) {
1981 AVPacket pkt;
1982 ret = av_read_frame(f->ctx, &pkt);
1983
1984 if (ret == AVERROR(EAGAIN)) {
896bb0d7 1985 av_usleep(10000);
5db5169e
AK
1986 ret = 0;
1987 continue;
1988 } else if (ret < 0)
1989 break;
1990
1991 pthread_mutex_lock(&f->fifo_lock);
1992 while (!av_fifo_space(f->fifo))
1993 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
1994
1995 av_dup_packet(&pkt);
1996 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
1997
1998 pthread_mutex_unlock(&f->fifo_lock);
1999 }
2000
2001 f->finished = 1;
2002 return NULL;
2003}
2004
2005static void free_input_threads(void)
2006{
2007 int i;
2008
2009 if (nb_input_files == 1)
2010 return;
2011
2012 transcoding_finished = 1;
2013
2014 for (i = 0; i < nb_input_files; i++) {
2015 InputFile *f = input_files[i];
2016 AVPacket pkt;
2017
9034b0ed 2018 if (!f->fifo || f->joined)
5db5169e
AK
2019 continue;
2020
2021 pthread_mutex_lock(&f->fifo_lock);
2022 while (av_fifo_size(f->fifo)) {
2023 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2024 av_free_packet(&pkt);
2025 }
2026 pthread_cond_signal(&f->fifo_cond);
2027 pthread_mutex_unlock(&f->fifo_lock);
2028
2029 pthread_join(f->thread, NULL);
2030 f->joined = 1;
2031
2032 while (av_fifo_size(f->fifo)) {
2033 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2034 av_free_packet(&pkt);
2035 }
2036 av_fifo_free(f->fifo);
2037 }
2038}
2039
2040static int init_input_threads(void)
2041{
2042 int i, ret;
2043
2044 if (nb_input_files == 1)
2045 return 0;
2046
2047 for (i = 0; i < nb_input_files; i++) {
2048 InputFile *f = input_files[i];
2049
2050 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
2051 return AVERROR(ENOMEM);
2052
2053 pthread_mutex_init(&f->fifo_lock, NULL);
2054 pthread_cond_init (&f->fifo_cond, NULL);
2055
2056 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
2057 return AVERROR(ret);
2058 }
2059 return 0;
2060}
2061
2062static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
2063{
2064 int ret = 0;
2065
2066 pthread_mutex_lock(&f->fifo_lock);
2067
2068 if (av_fifo_size(f->fifo)) {
2069 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
2070 pthread_cond_signal(&f->fifo_cond);
2071 } else {
2072 if (f->finished)
2073 ret = AVERROR_EOF;
2074 else
2075 ret = AVERROR(EAGAIN);
2076 }
2077
2078 pthread_mutex_unlock(&f->fifo_lock);
2079
2080 return ret;
2081}
2082#endif
2083
2084static int get_input_packet(InputFile *f, AVPacket *pkt)
2085{
47b812e9 2086#if HAVE_PTHREADS
5db5169e
AK
2087 if (nb_input_files > 1)
2088 return get_input_packet_mt(f, pkt);
2089#endif
2090 return av_read_frame(f->ctx, pkt);
2091}
2092
0b26ef42
AK
2093static int got_eagain(void)
2094{
2095 int i;
2096 for (i = 0; i < nb_input_files; i++)
2097 if (input_files[i]->eagain)
2098 return 1;
2099 return 0;
2100}
2101
2102static void reset_eagain(void)
2103{
2104 int i;
2105 for (i = 0; i < nb_input_files; i++)
2106 input_files[i]->eagain = 0;
2107}
2108
0c00fd80
AK
2109/**
2110 * Read one packet from an input file and send it for
2111 * - decoding -> lavfi (audio/video)
2112 * - decoding -> encoding -> muxing (subtitles)
2113 * - muxing (streamcopy)
2114 *
2115 * @return
2116 * - 0 -- one packet was read and processed
2117 * - AVERROR(EAGAIN) -- no packets were available for selected file,
2118 * this function should be called again
2119 * - AVERROR_EOF -- this function should not be called again
2120 */
2121static int process_input(void)
2122{
2123 InputFile *ifile;
2124 AVFormatContext *is;
2125 InputStream *ist;
2126 AVPacket pkt;
2127 int ret, i, j;
2128
2129 /* select the stream that we must read now */
2130 ifile = select_input_file();
2131 /* if none, if is finished */
2132 if (!ifile) {
2133 if (got_eagain()) {
2134 reset_eagain();
2135 av_usleep(10000);
2136 return AVERROR(EAGAIN);
2137 }
2138 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from.\n");
2139 return AVERROR_EOF;
2140 }
2141
2142 is = ifile->ctx;
2143 ret = get_input_packet(ifile, &pkt);
2144
2145 if (ret == AVERROR(EAGAIN)) {
2146 ifile->eagain = 1;
2147 return ret;
2148 }
2149 if (ret < 0) {
2150 if (ret != AVERROR_EOF) {
2151 print_error(is->filename, ret);
2152 if (exit_on_error)
2153 exit_program(1);
2154 }
2155 ifile->eof_reached = 1;
2156
2157 for (i = 0; i < ifile->nb_streams; i++) {
2158 ist = input_streams[ifile->ist_index + i];
2159 if (ist->decoding_needed)
2160 output_packet(ist, NULL);
2161
2162 /* mark all outputs that don't go through lavfi as finished */
2163 for (j = 0; j < nb_output_streams; j++) {
2164 OutputStream *ost = output_streams[j];
2165
2166 if (ost->source_index == ifile->ist_index + i &&
2167 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
2168 ost->is_past_recording_time = 1;
2169 }
2170 }
2171
2172 if (opt_shortest)
2173 return AVERROR_EOF;
2174 else
2175 return AVERROR(EAGAIN);
2176 }
2177
2178 reset_eagain();
2179
2180 if (do_pkt_dump) {
2181 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2182 is->streams[pkt.stream_index]);
2183 }
2184 /* the following test is needed in case new streams appear
2185 dynamically in stream : we ignore them */
2186 if (pkt.stream_index >= ifile->nb_streams)
2187 goto discard_packet;
2188
2189 ist = input_streams[ifile->ist_index + pkt.stream_index];
2190 if (ist->discard)
2191 goto discard_packet;
2192
2193 if (pkt.dts != AV_NOPTS_VALUE)
2194 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2195 if (pkt.pts != AV_NOPTS_VALUE)
2196 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2197
2198 if (pkt.pts != AV_NOPTS_VALUE)
2199 pkt.pts *= ist->ts_scale;
2200 if (pkt.dts != AV_NOPTS_VALUE)
2201 pkt.dts *= ist->ts_scale;
2202
2203 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
2204 (is->iformat->flags & AVFMT_TS_DISCONT)) {
2205 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2206 int64_t delta = pkt_dts - ist->next_dts;
2207
2208 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
2209 ifile->ts_offset -= delta;
2210 av_log(NULL, AV_LOG_DEBUG,
2211 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2212 delta, ifile->ts_offset);
2213 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2214 if (pkt.pts != AV_NOPTS_VALUE)
2215 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2216 }
2217 }
2218
2219 ret = output_packet(ist, &pkt);
2220 if (ret < 0) {
2221 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
2222 ist->file_index, ist->st->index);
2223 if (exit_on_error)
2224 exit_program(1);
2225 }
2226
2227discard_packet:
2228 av_free_packet(&pkt);
2229
2230 return 0;
2231}
2232
eaf2d37a
AC
2233/*
2234 * The following code is the main loop of the file converter
2235 */
ea9367e9 2236static int transcode(void)
eaf2d37a 2237{
0c00fd80
AK
2238 int ret, i, need_input = 1;
2239 AVFormatContext *os;
eaf2d37a
AC
2240 OutputStream *ost;
2241 InputStream *ist;
eaf2d37a
AC
2242 int64_t timer_start;
2243
ea9367e9 2244 ret = transcode_init();
eaf2d37a
AC
2245 if (ret < 0)
2246 goto fail;
2247
e3245b26 2248 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
6291d7e4
AK
2249 term_init();
2250
2251 timer_start = av_gettime();
2252
47b812e9 2253#if HAVE_PTHREADS
5db5169e
AK
2254 if ((ret = init_input_threads()) < 0)
2255 goto fail;
2256#endif
2257
c0fbf971 2258 while (!received_sigterm) {
3b266da3 2259 /* check if there's any stream where output is still needed */
2f51ec2b
AK
2260 if (!need_output()) {
2261 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3b266da3 2262 break;
2f51ec2b 2263 }
3b266da3 2264
0c00fd80
AK
2265 /* read and process one input packet if needed */
2266 if (need_input) {
2267 ret = process_input();
2268 if (ret == AVERROR_EOF)
2269 need_input = 0;
6291d7e4
AK
2270 }
2271
0c00fd80 2272 ret = poll_filters();
6291d7e4 2273 if (ret < 0) {
0c00fd80 2274 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
6291d7e4 2275 continue;
6291d7e4 2276
0c00fd80
AK
2277 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
2278 break;
6291d7e4
AK
2279 }
2280
6291d7e4 2281 /* dump report by using the output first video and audio streams */
ea9367e9 2282 print_report(0, timer_start);
6291d7e4 2283 }
47b812e9 2284#if HAVE_PTHREADS
5db5169e
AK
2285 free_input_threads();
2286#endif
6291d7e4
AK
2287
2288 /* at the end of stream, we must flush the decoder buffers */
2289 for (i = 0; i < nb_input_streams; i++) {
2e215267 2290 ist = input_streams[i];
9e8aae44 2291 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
ea9367e9 2292 output_packet(ist, NULL);
6291d7e4
AK
2293 }
2294 }
560f7774 2295 poll_filters();
ea9367e9 2296 flush_encoders();
6291d7e4
AK
2297
2298 term_exit();
2299
2300 /* write the trailer if needed and close file */
7636c8c6 2301 for (i = 0; i < nb_output_files; i++) {
2e215267 2302 os = output_files[i]->ctx;
6291d7e4
AK
2303 av_write_trailer(os);
2304 }
2305
2306 /* dump report by using the first video and audio streams */
ea9367e9 2307 print_report(1, timer_start);
6291d7e4
AK
2308
2309 /* close each encoder */
4288e031 2310 for (i = 0; i < nb_output_streams; i++) {
2e215267 2311 ost = output_streams[i];
6291d7e4
AK
2312 if (ost->encoding_needed) {
2313 av_freep(&ost->st->codec->stats_in);
2314 avcodec_close(ost->st->codec);
2315 }
6291d7e4
AK
2316 }
2317
2318 /* close each decoder */
2319 for (i = 0; i < nb_input_streams; i++) {
2e215267 2320 ist = input_streams[i];
6291d7e4
AK
2321 if (ist->decoding_needed) {
2322 avcodec_close(ist->st->codec);
2323 }
2324 }
2325
2326 /* finished ! */
2327 ret = 0;
2328
2329 fail:
47b812e9 2330#if HAVE_PTHREADS
5db5169e
AK
2331 free_input_threads();
2332#endif
6291d7e4 2333
4288e031
AK
2334 if (output_streams) {
2335 for (i = 0; i < nb_output_streams; i++) {
2e215267 2336 ost = output_streams[i];
6291d7e4 2337 if (ost) {
3d813e4c 2338 if (ost->stream_copy)
6291d7e4
AK
2339 av_freep(&ost->st->codec->extradata);
2340 if (ost->logfile) {
2341 fclose(ost->logfile);
2342 ost->logfile = NULL;
2343 }
6291d7e4 2344 av_freep(&ost->st->codec->subtitle_header);
6291d7e4 2345 av_free(ost->forced_kf_pts);
6291d7e4 2346 av_dict_free(&ost->opts);
6291d7e4
AK
2347 }
2348 }
6291d7e4
AK
2349 }
2350 return ret;
2351}
2352
f5e66827 2353static int64_t getutime(void)
a2c0b830 2354{
f5e66827
AK
2355#if HAVE_GETRUSAGE
2356 struct rusage rusage;
a2c0b830 2357
f5e66827
AK
2358 getrusage(RUSAGE_SELF, &rusage);
2359 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2360#elif HAVE_GETPROCESSTIMES
2361 HANDLE proc;
2362 FILETIME c, e, k, u;
2363 proc = GetCurrentProcess();
2364 GetProcessTimes(proc, &c, &e, &k, &u);
2365 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
2366#else
2367 return av_gettime();
2368#endif
a2c0b830
AK
2369}
2370
f5e66827 2371static int64_t getmaxrss(void)
6291d7e4 2372{
f5e66827
AK
2373#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
2374 struct rusage rusage;
2375 getrusage(RUSAGE_SELF, &rusage);
2376 return (int64_t)rusage.ru_maxrss * 1024;
2377#elif HAVE_GETPROCESSMEMORYINFO
2378 HANDLE proc;
2379 PROCESS_MEMORY_COUNTERS memcounters;
2380 proc = GetCurrentProcess();
2381 memcounters.cb = sizeof(memcounters);
2382 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
2383 return memcounters.PeakPagefileUsage;
2384#else
6291d7e4 2385 return 0;
f5e66827 2386#endif
6291d7e4
AK
2387}
2388
f5e66827 2389static void parse_cpuflags(int argc, char **argv, const OptionDef *options)
3ec34462 2390{
f5e66827
AK
2391 int idx = locate_option(argc, argv, options, "cpuflags");
2392 if (idx && argv[idx + 1])
2393 opt_cpuflags("cpuflags", argv[idx + 1]);
3ec34462
AK
2394}
2395
6291d7e4
AK
2396int main(int argc, char **argv)
2397{
575ec4e1 2398 OptionsContext o = { 0 };
6291d7e4
AK
2399 int64_t ti;
2400
575ec4e1
AK
2401 reset_options(&o);
2402
6291d7e4 2403 av_log_set_flags(AV_LOG_SKIP_REPEATED);
182cbe43 2404 parse_loglevel(argc, argv, options);
6291d7e4
AK
2405
2406 avcodec_register_all();
2407#if CONFIG_AVDEVICE
2408 avdevice_register_all();
2409#endif
6291d7e4 2410 avfilter_register_all();
6291d7e4 2411 av_register_all();
776f2bb9 2412 avformat_network_init();
6291d7e4 2413
6291d7e4
AK
2414 show_banner();
2415
4138cd29
AK
2416 parse_cpuflags(argc, argv, options);
2417
6291d7e4 2418 /* parse options */
575ec4e1 2419 parse_options(&o, argc, argv, options, opt_output_file);
6291d7e4 2420
7636c8c6 2421 if (nb_output_files <= 0 && nb_input_files == 0) {
6291d7e4 2422 show_usage();
e3245b26 2423 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
6291d7e4
AK
2424 exit_program(1);
2425 }
2426
2427 /* file converter / grab */
2428 if (nb_output_files <= 0) {
2429 fprintf(stderr, "At least one output file must be specified\n");
2430 exit_program(1);
2431 }
2432
2433 if (nb_input_files == 0) {
e3245b26 2434 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
6291d7e4
AK
2435 exit_program(1);
2436 }
2437
2438 ti = getutime();
ea9367e9 2439 if (transcode() < 0)
6291d7e4
AK
2440 exit_program(1);
2441 ti = getutime() - ti;
2442 if (do_benchmark) {
2443 int maxrss = getmaxrss() / 1024;
2444 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
2445 }
2446
dad09ff9
AK
2447 exit_program(0);
2448 return 0;
6291d7e4 2449}