build: cosmetics: Reorder some lists in a more logical fashion
[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
39885a4b
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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);
6291d7e4
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593 }
594 }
39885a4b
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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++;
6291d7e4
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603}
604
7636c8c6
AD
605static double psnr(double d)
606{
607 return -10.0 * log(d) / log(10.0);
6291d7e4
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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)));
6291d7e4
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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;
6291d7e4
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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);
6291d7e4
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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/* check for new output on any of the filtergraphs */
648static int poll_filters(void)
649{
650 AVFilterBufferRef *picref;
651 AVFrame *filtered_frame = NULL;
ac712309 652 int i, frame_size;
560f7774
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653
654 for (i = 0; i < nb_output_streams; i++) {
655 OutputStream *ost = output_streams[i];
656 OutputFile *of = output_files[ost->file_index];
369cb092 657 int ret = 0;
560f7774 658
bb7431f4 659 if (!ost->filter)
560f7774
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660 continue;
661
662 if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
663 return AVERROR(ENOMEM);
664 } else
665 avcodec_get_frame_defaults(ost->filtered_frame);
666 filtered_frame = ost->filtered_frame;
667
bb7431f4 668 while (ret >= 0 && !ost->is_past_recording_time) {
369cb092
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669 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
670 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
671 ret = av_buffersink_read_samples(ost->filter->filter, &picref,
672 ost->st->codec->frame_size);
673 else
674 ret = av_buffersink_read(ost->filter->filter, &picref);
675
8a645bfc 676 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
369cb092 677 break;
8a645bfc
AK
678 else if (ret < 0)
679 return ret;
369cb092 680
ac712309 681 avfilter_copy_buf_props(filtered_frame, picref);
53ddd43f 682 if (picref->pts != AV_NOPTS_VALUE) {
369cb092
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683 filtered_frame->pts = av_rescale_q(picref->pts,
684 ost->filter->filter->inputs[0]->time_base,
685 ost->st->codec->time_base) -
686 av_rescale_q(of->start_time,
687 AV_TIME_BASE_Q,
688 ost->st->codec->time_base);
560f7774 689
53ddd43f
AK
690 if (of->start_time && filtered_frame->pts < 0) {
691 avfilter_unref_buffer(picref);
692 continue;
693 }
01e98b1b 694 }
560f7774
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695
696 switch (ost->filter->filter->inputs[0]->type) {
697 case AVMEDIA_TYPE_VIDEO:
698 if (!ost->frame_aspect_ratio)
699 ost->st->codec->sample_aspect_ratio = picref->video->pixel_aspect;
700
701 do_video_out(of->ctx, ost, filtered_frame, &frame_size,
702 same_quant ? ost->last_quality :
703 ost->st->codec->global_quality);
704 if (vstats_filename && frame_size)
705 do_video_stats(of->ctx, ost, frame_size);
706 break;
369cb092
AK
707 case AVMEDIA_TYPE_AUDIO:
708 do_audio_out(of->ctx, ost, filtered_frame);
709 break;
560f7774 710 default:
369cb092 711 // TODO support subtitle filters
560f7774
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712 av_assert0(0);
713 }
714
715 avfilter_unref_buffer(picref);
716 }
717 }
718 return 0;
719}
720
ea9367e9 721static void print_report(int is_last_report, int64_t timer_start)
6291d7e4
AK
722{
723 char buf[1024];
724 OutputStream *ost;
725 AVFormatContext *oc;
726 int64_t total_size;
727 AVCodecContext *enc;
728 int frame_number, vid, i;
729 double bitrate, ti1, pts;
730 static int64_t last_time = -1;
731 static int qp_histogram[52];
732
3460dd8a
AK
733 if (!print_stats && !is_last_report)
734 return;
735
6291d7e4
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736 if (!is_last_report) {
737 int64_t cur_time;
738 /* display the report every 0.5 seconds */
739 cur_time = av_gettime();
740 if (last_time == -1) {
741 last_time = cur_time;
742 return;
743 }
744 if ((cur_time - last_time) < 500000)
745 return;
746 last_time = cur_time;
747 }
748
749
2e215267 750 oc = output_files[0]->ctx;
6291d7e4
AK
751
752 total_size = avio_size(oc->pb);
7636c8c6
AD
753 if (total_size < 0) // FIXME improve avio_size() so it works with non seekable output too
754 total_size = avio_tell(oc->pb);
6291d7e4
AK
755
756 buf[0] = '\0';
757 ti1 = 1e10;
758 vid = 0;
ea9367e9 759 for (i = 0; i < nb_output_streams; i++) {
6291d7e4 760 float q = -1;
2e215267 761 ost = output_streams[i];
6291d7e4 762 enc = ost->st->codec;
3d813e4c 763 if (!ost->stream_copy && enc->coded_frame)
7636c8c6 764 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
6291d7e4
AK
765 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
766 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
767 }
768 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
7636c8c6 769 float t = (av_gettime() - timer_start) / 1000000.0;
6291d7e4
AK
770
771 frame_number = ost->frame_number;
772 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
7636c8c6
AD
773 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
774 if (is_last_report)
6291d7e4 775 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
7636c8c6 776 if (qp_hist) {
6291d7e4
AK
777 int j;
778 int qp = lrintf(q);
7636c8c6 779 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
6291d7e4 780 qp_histogram[qp]++;
7636c8c6
AD
781 for (j = 0; j < 32; j++)
782 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
6291d7e4 783 }
7636c8c6 784 if (enc->flags&CODEC_FLAG_PSNR) {
6291d7e4 785 int j;
7636c8c6
AD
786 double error, error_sum = 0;
787 double scale, scale_sum = 0;
788 char type[3] = { 'Y','U','V' };
6291d7e4 789 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
7636c8c6
AD
790 for (j = 0; j < 3; j++) {
791 if (is_last_report) {
792 error = enc->error[j];
793 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
794 } else {
795 error = enc->coded_frame->error[j];
796 scale = enc->width * enc->height * 255.0 * 255.0;
6291d7e4 797 }
7636c8c6
AD
798 if (j)
799 scale /= 4;
6291d7e4
AK
800 error_sum += error;
801 scale_sum += scale;
7636c8c6 802 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
6291d7e4 803 }
7636c8c6 804 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
6291d7e4
AK
805 }
806 vid = 1;
807 }
808 /* compute min output value */
809 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
810 if ((pts < ti1) && (pts > 0))
811 ti1 = pts;
812 }
813 if (ti1 < 0.01)
814 ti1 = 0.01;
815
e3245b26 816 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
6291d7e4 817
e3245b26 818 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
6291d7e4
AK
819 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
820 (double)total_size / 1024, ti1, bitrate);
821
e3245b26
AK
822 if (nb_frames_dup || nb_frames_drop)
823 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
824 nb_frames_dup, nb_frames_drop);
6291d7e4 825
f5646a32 826 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
6291d7e4 827
e3245b26 828 fflush(stderr);
6291d7e4 829
e3245b26 830 if (is_last_report) {
6291d7e4 831 int64_t raw= audio_size + video_size + extra_size;
e3245b26
AK
832 av_log(NULL, AV_LOG_INFO, "\n");
833 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
7636c8c6
AD
834 video_size / 1024.0,
835 audio_size / 1024.0,
836 extra_size / 1024.0,
837 100.0 * (total_size - raw) / raw
6291d7e4
AK
838 );
839 }
840}
841
ea9367e9 842static void flush_encoders(void)
4a4ce2e7
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843{
844 int i, ret;
845
ea9367e9 846 for (i = 0; i < nb_output_streams; i++) {
2e215267 847 OutputStream *ost = output_streams[i];
6f1c66d5 848 AVCodecContext *enc = ost->st->codec;
2e215267 849 AVFormatContext *os = output_files[ost->file_index]->ctx;
ee458cb1 850 int stop_encoding = 0;
6f1c66d5 851
b62b5cb6 852 if (!ost->encoding_needed)
6f1c66d5
AK
853 continue;
854
7636c8c6 855 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
6f1c66d5 856 continue;
36ef5369 857 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
6f1c66d5
AK
858 continue;
859
7636c8c6 860 for (;;) {
369cb092
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861 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
862 const char *desc;
863 int64_t *size;
6f1c66d5
AK
864
865 switch (ost->st->codec->codec_type) {
866 case AVMEDIA_TYPE_AUDIO:
369cb092
AK
867 encode = avcodec_encode_audio2;
868 desc = "Audio";
869 size = &audio_size;
6f1c66d5
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870 break;
871 case AVMEDIA_TYPE_VIDEO:
369cb092
AK
872 encode = avcodec_encode_video2;
873 desc = "Video";
874 size = &video_size;
875 break;
876 default:
877 stop_encoding = 1;
878 }
879
880 if (encode) {
881 AVPacket pkt;
882 int got_packet;
883 av_init_packet(&pkt);
884 pkt.data = NULL;
885 pkt.size = 0;
886
887 ret = encode(enc, &pkt, NULL, &got_packet);
6f1c66d5 888 if (ret < 0) {
369cb092 889 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
6f1c66d5
AK
890 exit_program(1);
891 }
369cb092 892 *size += ret;
6f1c66d5
AK
893 if (ost->logfile && enc->stats_out) {
894 fprintf(ost->logfile, "%s", enc->stats_out);
895 }
8e37038a 896 if (!got_packet) {
ee458cb1
JR
897 stop_encoding = 1;
898 break;
899 }
8e37038a
AK
900 if (pkt.pts != AV_NOPTS_VALUE)
901 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
902 if (pkt.dts != AV_NOPTS_VALUE)
903 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
ee458cb1 904 write_frame(os, &pkt, ost);
4a4ce2e7 905 }
369cb092 906
ee458cb1 907 if (stop_encoding)
6f1c66d5 908 break;
4a4ce2e7
AK
909 }
910 }
911}
912
7204ec1a
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913/*
914 * Check whether a packet from ist should be written into ost at this time
915 */
916static int check_output_constraints(InputStream *ist, OutputStream *ost)
917{
2e215267
AK
918 OutputFile *of = output_files[ost->file_index];
919 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
7204ec1a
AK
920
921 if (ost->source_index != ist_index)
922 return 0;
923
23576b3f 924 if (of->start_time && ist->last_dts < of->start_time)
7204ec1a
AK
925 return 0;
926
7204ec1a
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927 return 1;
928}
929
930static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
931{
2e215267 932 OutputFile *of = output_files[ost->file_index];
7204ec1a
AK
933 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
934 AVPacket opkt;
935
936 av_init_packet(&opkt);
937
938 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
939 !ost->copy_initial_nonkeyframes)
940 return;
941
1270e12e 942 if (of->recording_time != INT64_MAX &&
23576b3f 943 ist->last_dts >= of->recording_time + of->start_time) {
1270e12e
AK
944 ost->is_past_recording_time = 1;
945 return;
946 }
947
7204ec1a
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948 /* force the input stream PTS */
949 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
950 audio_size += pkt->size;
951 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
952 video_size += pkt->size;
953 ost->sync_opts++;
954 }
955
7204ec1a
AK
956 if (pkt->pts != AV_NOPTS_VALUE)
957 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
958 else
959 opkt.pts = AV_NOPTS_VALUE;
960
961 if (pkt->dts == AV_NOPTS_VALUE)
23576b3f 962 opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base);
7204ec1a
AK
963 else
964 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
965 opkt.dts -= ost_tb_start_time;
966
967 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
968 opkt.flags = pkt->flags;
969
7636c8c6 970 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
36ef5369
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971 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
972 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
973 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
974 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
7204ec1a
AK
975 ) {
976 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
977 opkt.destruct = av_destruct_packet;
978 } else {
979 opkt.data = pkt->data;
980 opkt.size = pkt->size;
981 }
982
f15f02c2 983 write_frame(of->ctx, &opkt, ost);
7204ec1a 984 ost->st->codec->frame_number++;
7204ec1a
AK
985 av_free_packet(&opkt);
986}
987
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988static void rate_emu_sleep(InputStream *ist)
989{
2e215267 990 if (input_files[ist->file_index]->rate_emu) {
23576b3f 991 int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
2a651b71
AK
992 int64_t now = av_gettime() - ist->start;
993 if (pts > now)
896bb0d7 994 av_usleep(pts - now);
2a651b71
AK
995 }
996}
997
f5e66827 998int guess_input_channel_layout(InputStream *ist)
369cb092
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999{
1000 AVCodecContext *dec = ist->st->codec;
1001
1002 if (!dec->channel_layout) {
1003 char layout_name[256];
1004
1005 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1006 if (!dec->channel_layout)
1007 return 0;
1008 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1009 dec->channels, dec->channel_layout);
1010 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1011 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1012 }
1013 return 1;
1014}
1015
0629f612 1016static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
ded28ba3 1017{
d1241ff3
JR
1018 AVFrame *decoded_frame;
1019 AVCodecContext *avctx = ist->st->codec;
ded28ba3 1020 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
369cb092 1021 int i, ret, resample_changed;
ded28ba3 1022
9179f27c 1023 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
d1241ff3 1024 return AVERROR(ENOMEM);
9179f27c
JR
1025 else
1026 avcodec_get_frame_defaults(ist->decoded_frame);
1027 decoded_frame = ist->decoded_frame;
ded28ba3 1028
d1241ff3
JR
1029 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1030 if (ret < 0) {
ded28ba3 1031 return ret;
d1241ff3 1032 }
ded28ba3 1033
ded28ba3
AK
1034 if (!*got_output) {
1035 /* no audio frame */
369cb092
AK
1036 if (!pkt->size)
1037 for (i = 0; i < ist->nb_filters; i++)
1038 av_buffersrc_buffer(ist->filters[i]->filter, NULL);
af8ad892 1039 return ret;
ded28ba3
AK
1040 }
1041
d1241ff3
JR
1042 /* if the decoder provides a pts, use it instead of the last packet pts.
1043 the decoder could be delaying output by a packet or more. */
1044 if (decoded_frame->pts != AV_NOPTS_VALUE)
3101bb66 1045 ist->next_dts = decoded_frame->pts;
369cb092
AK
1046 else if (pkt->pts != AV_NOPTS_VALUE) {
1047 decoded_frame->pts = pkt->pts;
1048 pkt->pts = AV_NOPTS_VALUE;
1049 }
ded28ba3
AK
1050
1051 // preprocess audio (volume)
1052 if (audio_volume != 256) {
d1241ff3
JR
1053 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
1054 void *samples = decoded_frame->data[0];
1055 switch (avctx->sample_fmt) {
ded28ba3
AK
1056 case AV_SAMPLE_FMT_U8:
1057 {
1058 uint8_t *volp = samples;
1059 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1060 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1061 *volp++ = av_clip_uint8(v);
1062 }
1063 break;
1064 }
1065 case AV_SAMPLE_FMT_S16:
1066 {
1067 int16_t *volp = samples;
1068 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1069 int v = ((*volp) * audio_volume + 128) >> 8;
1070 *volp++ = av_clip_int16(v);
1071 }
1072 break;
1073 }
1074 case AV_SAMPLE_FMT_S32:
1075 {
1076 int32_t *volp = samples;
1077 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1078 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1079 *volp++ = av_clipl_int32(v);
1080 }
1081 break;
1082 }
1083 case AV_SAMPLE_FMT_FLT:
1084 {
1085 float *volp = samples;
1086 float scale = audio_volume / 256.f;
1087 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1088 *volp++ *= scale;
1089 }
1090 break;
1091 }
1092 case AV_SAMPLE_FMT_DBL:
1093 {
1094 double *volp = samples;
1095 double scale = audio_volume / 256.;
1096 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1097 *volp++ *= scale;
1098 }
1099 break;
1100 }
1101 default:
1102 av_log(NULL, AV_LOG_FATAL,
1103 "Audio volume adjustment on sample format %s is not supported.\n",
1104 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1105 exit_program(1);
1106 }
1107 }
1108
1109 rate_emu_sleep(ist);
1110
369cb092
AK
1111 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1112 ist->resample_channels != avctx->channels ||
1113 ist->resample_channel_layout != decoded_frame->channel_layout ||
1114 ist->resample_sample_rate != decoded_frame->sample_rate;
1115 if (resample_changed) {
1116 char layout1[64], layout2[64];
ded28ba3 1117
369cb092
AK
1118 if (!guess_input_channel_layout(ist)) {
1119 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1120 "layout for Input Stream #%d.%d\n", ist->file_index,
1121 ist->st->index);
1122 exit_program(1);
1123 }
1124 decoded_frame->channel_layout = avctx->channel_layout;
1125
1126 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1127 ist->resample_channel_layout);
1128 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1129 decoded_frame->channel_layout);
1130
1131 av_log(NULL, AV_LOG_INFO,
1132 "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",
1133 ist->file_index, ist->st->index,
1134 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1135 ist->resample_channels, layout1,
1136 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1137 avctx->channels, layout2);
1138
1139 ist->resample_sample_fmt = decoded_frame->format;
1140 ist->resample_sample_rate = decoded_frame->sample_rate;
1141 ist->resample_channel_layout = decoded_frame->channel_layout;
1142 ist->resample_channels = avctx->channels;
1143
1144 for (i = 0; i < nb_filtergraphs; i++)
1145 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1146 configure_filtergraph(filtergraphs[i]) < 0) {
1147 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1148 exit_program(1);
1149 }
ded28ba3 1150 }
110d2af2 1151
715129cd
MS
1152 if (decoded_frame->pts != AV_NOPTS_VALUE)
1153 decoded_frame->pts = av_rescale_q(decoded_frame->pts,
1154 ist->st->time_base,
1155 (AVRational){1, ist->st->codec->sample_rate});
369cb092
AK
1156 for (i = 0; i < ist->nb_filters; i++)
1157 av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame);
1158
af8ad892 1159 return ret;
ded28ba3
AK
1160}
1161
0629f612 1162static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
45d4b66f 1163{
560f7774 1164 AVFrame *decoded_frame;
45d4b66f 1165 void *buffer_to_free = NULL;
e77c8662 1166 int i, ret = 0, resample_changed;
45d4b66f 1167 float quality;
45d4b66f 1168
9179f27c 1169 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
45d4b66f 1170 return AVERROR(ENOMEM);
9179f27c
JR
1171 else
1172 avcodec_get_frame_defaults(ist->decoded_frame);
1173 decoded_frame = ist->decoded_frame;
45d4b66f
AK
1174
1175 ret = avcodec_decode_video2(ist->st->codec,
1176 decoded_frame, got_output, pkt);
1177 if (ret < 0)
9179f27c 1178 return ret;
45d4b66f
AK
1179
1180 quality = same_quant ? decoded_frame->quality : 0;
1181 if (!*got_output) {
1182 /* no picture yet */
89605e4a
AK
1183 if (!pkt->size)
1184 for (i = 0; i < ist->nb_filters; i++)
1185 av_buffersrc_buffer(ist->filters[i]->filter, NULL);
af8ad892 1186 return ret;
45d4b66f 1187 }
b34856a1
AK
1188 decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1189 decoded_frame->pkt_dts);
45d4b66f
AK
1190 pkt->size = 0;
1191 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1192
1193 rate_emu_sleep(ist);
1194
695ec04e
AK
1195 if (ist->st->sample_aspect_ratio.num)
1196 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1197
e77c8662
AK
1198 resample_changed = ist->resample_width != decoded_frame->width ||
1199 ist->resample_height != decoded_frame->height ||
1200 ist->resample_pix_fmt != decoded_frame->format;
1201 if (resample_changed) {
1202 av_log(NULL, AV_LOG_INFO,
1203 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1204 ist->file_index, ist->st->index,
1205 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1206 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1207
1208 ist->resample_width = decoded_frame->width;
1209 ist->resample_height = decoded_frame->height;
1210 ist->resample_pix_fmt = decoded_frame->format;
e77c8662 1211
3b266da3
AK
1212 for (i = 0; i < nb_filtergraphs; i++)
1213 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1214 configure_filtergraph(filtergraphs[i]) < 0) {
ac646076
AK
1215 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1216 exit_program(1);
3b266da3
AK
1217 }
1218 }
ac646076 1219
3b266da3 1220 for (i = 0; i < ist->nb_filters; i++) {
560f7774
AK
1221 // XXX what an ugly hack
1222 if (ist->filters[i]->graph->nb_outputs == 1)
1223 ist->filters[i]->graph->outputs[0]->ost->last_quality = quality;
1224
04a14d4d
AK
1225 if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) {
1226 FrameBuffer *buf = decoded_frame->opaque;
1227 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
1228 decoded_frame->data, decoded_frame->linesize,
1229 AV_PERM_READ | AV_PERM_PRESERVE,
1230 ist->st->codec->width, ist->st->codec->height,
1231 ist->st->codec->pix_fmt);
1232
1233 avfilter_copy_frame_props(fb, decoded_frame);
04a14d4d
AK
1234 fb->buf->priv = buf;
1235 fb->buf->free = filter_release_buffer;
1236
1237 buf->refcount++;
560f7774 1238 av_buffersrc_buffer(ist->filters[i]->filter, fb);
04a14d4d 1239 } else
720c6b78 1240 av_buffersrc_write_frame(ist->filters[i]->filter, decoded_frame);
45d4b66f
AK
1241 }
1242
45d4b66f 1243 av_free(buffer_to_free);
45d4b66f
AK
1244 return ret;
1245}
1246
9595234c
AK
1247static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1248{
1249 AVSubtitle subtitle;
1250 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1251 &subtitle, got_output, pkt);
1252 if (ret < 0)
1253 return ret;
1254 if (!*got_output)
af8ad892 1255 return ret;
9595234c
AK
1256
1257 rate_emu_sleep(ist);
1258
1259 for (i = 0; i < nb_output_streams; i++) {
2e215267 1260 OutputStream *ost = output_streams[i];
9595234c
AK
1261
1262 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1263 continue;
1264
2e215267 1265 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
9595234c
AK
1266 }
1267
1268 avsubtitle_free(&subtitle);
af8ad892 1269 return ret;
9595234c
AK
1270}
1271
6291d7e4 1272/* pkt = NULL means EOF (needed to flush decoder buffers) */
ea9367e9 1273static int output_packet(InputStream *ist, const AVPacket *pkt)
6291d7e4 1274{
ffa0674e 1275 int i;
6291d7e4 1276 int got_output;
6291d7e4 1277 AVPacket avpkt;
6291d7e4 1278
3101bb66 1279 if (ist->next_dts == AV_NOPTS_VALUE)
23576b3f 1280 ist->next_dts = ist->last_dts;
6291d7e4
AK
1281
1282 if (pkt == NULL) {
1283 /* EOF handling */
1284 av_init_packet(&avpkt);
1285 avpkt.data = NULL;
1286 avpkt.size = 0;
1287 goto handle_eof;
1288 } else {
1289 avpkt = *pkt;
1290 }
1291
7636c8c6 1292 if (pkt->dts != AV_NOPTS_VALUE)
23576b3f 1293 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
6291d7e4 1294
7636c8c6 1295 // while we have more to decode or while the decoder did output something on EOF
2a651b71 1296 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
ffa0674e 1297 int ret = 0;
6291d7e4 1298 handle_eof:
6291d7e4 1299
23576b3f 1300 ist->last_dts = ist->next_dts;
8b0268a8
AK
1301
1302 if (avpkt.size && avpkt.size != pkt->size) {
e3245b26
AK
1303 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1304 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
8b0268a8
AK
1305 ist->showed_multi_packet_warning = 1;
1306 }
6291d7e4 1307
7636c8c6 1308 switch (ist->st->codec->codec_type) {
82963f8f 1309 case AVMEDIA_TYPE_AUDIO:
0629f612 1310 ret = decode_audio (ist, &avpkt, &got_output);
82963f8f
AK
1311 break;
1312 case AVMEDIA_TYPE_VIDEO:
0629f612 1313 ret = decode_video (ist, &avpkt, &got_output);
b34856a1
AK
1314 if (avpkt.duration)
1315 ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
aba232cf 1316 else if (ist->st->avg_frame_rate.num)
82494835 1317 ist->next_dts += av_rescale_q(1, av_inv_q(ist->st->avg_frame_rate),
722410ad 1318 AV_TIME_BASE_Q);
b34856a1
AK
1319 else if (ist->st->codec->time_base.num != 0) {
1320 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
1321 ist->st->codec->ticks_per_frame;
1322 ist->next_dts += av_rescale_q(ticks, ist->st->codec->time_base, AV_TIME_BASE_Q);
1323 }
82963f8f
AK
1324 break;
1325 case AVMEDIA_TYPE_SUBTITLE:
1326 ret = transcode_subtitles(ist, &avpkt, &got_output);
1327 break;
78162b4e
AK
1328 default:
1329 return -1;
1330 }
6291d7e4 1331
d3c1d37a
AK
1332 if (ret < 0)
1333 return ret;
aa38cff2
JG
1334 // touch data and size only if not EOF
1335 if (pkt) {
1336 avpkt.data += ret;
1337 avpkt.size -= ret;
1338 }
82963f8f 1339 if (!got_output) {
af8ad892 1340 continue;
82963f8f 1341 }
6291d7e4 1342 }
6291d7e4 1343
7204ec1a 1344 /* handle stream copy */
2a651b71
AK
1345 if (!ist->decoding_needed) {
1346 rate_emu_sleep(ist);
23576b3f 1347 ist->last_dts = ist->next_dts;
2a651b71
AK
1348 switch (ist->st->codec->codec_type) {
1349 case AVMEDIA_TYPE_AUDIO:
3101bb66 1350 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2a651b71
AK
1351 ist->st->codec->sample_rate;
1352 break;
1353 case AVMEDIA_TYPE_VIDEO:
1354 if (ist->st->codec->time_base.num != 0) {
7636c8c6 1355 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
3101bb66 1356 ist->next_dts += ((int64_t)AV_TIME_BASE *
2a651b71
AK
1357 ist->st->codec->time_base.num * ticks) /
1358 ist->st->codec->time_base.den;
1359 }
1360 break;
1361 }
1362 }
ea9367e9 1363 for (i = 0; pkt && i < nb_output_streams; i++) {
2e215267 1364 OutputStream *ost = output_streams[i];
7204ec1a
AK
1365
1366 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1367 continue;
1368
1369 do_streamcopy(ist, ost, pkt);
1370 }
1371
6291d7e4
AK
1372 return 0;
1373}
1374
ea9367e9 1375static void print_sdp(void)
6291d7e4
AK
1376{
1377 char sdp[2048];
af70aa45 1378 int i;
ea9367e9 1379 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
af70aa45
AK
1380
1381 if (!avc)
1382 exit_program(1);
ea9367e9 1383 for (i = 0; i < nb_output_files; i++)
2e215267 1384 avc[i] = output_files[i]->ctx;
6291d7e4 1385
ea9367e9 1386 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
6291d7e4
AK
1387 printf("SDP:\n%s\n", sdp);
1388 fflush(stdout);
af70aa45 1389 av_freep(&avc);
6291d7e4
AK
1390}
1391
ea9367e9 1392static int init_input_stream(int ist_index, char *error, int error_len)
630902a1
AK
1393{
1394 int i;
2e215267 1395 InputStream *ist = input_streams[ist_index];
630902a1
AK
1396 if (ist->decoding_needed) {
1397 AVCodec *codec = ist->dec;
630902a1 1398 if (!codec) {
9a414d89 1399 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
630902a1
AK
1400 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1401 return AVERROR(EINVAL);
1402 }
1403
1404 /* update requested sample format for the decoder based on the
1405 corresponding encoder sample format */
1406 for (i = 0; i < nb_output_streams; i++) {
2e215267 1407 OutputStream *ost = output_streams[i];
630902a1
AK
1408 if (ost->source_index == ist_index) {
1409 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1410 break;
1411 }
1412 }
1413
64dca32c
AK
1414 if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
1415 ist->st->codec->get_buffer = codec_get_buffer;
1416 ist->st->codec->release_buffer = codec_release_buffer;
3ffa2335 1417 ist->st->codec->opaque = &ist->buffer_pool;
64dca32c
AK
1418 }
1419
2473a45c
JG
1420 if (!av_dict_get(ist->opts, "threads", NULL, 0))
1421 av_dict_set(&ist->opts, "threads", "auto", 0);
630902a1 1422 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
9a414d89 1423 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
630902a1
AK
1424 ist->file_index, ist->st->index);
1425 return AVERROR(EINVAL);
1426 }
1427 assert_codec_experimental(ist->st->codec, 0);
1428 assert_avoptions(ist->opts);
1429 }
1430
23576b3f 1431 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 1432 ist->next_dts = AV_NOPTS_VALUE;
630902a1
AK
1433 init_pts_correction(&ist->pts_ctx);
1434 ist->is_start = 1;
1435
1436 return 0;
1437}
1438
3b266da3
AK
1439static InputStream *get_input_stream(OutputStream *ost)
1440{
1441 if (ost->source_index >= 0)
1442 return input_streams[ost->source_index];
1443
1444 if (ost->filter) {
1445 FilterGraph *fg = ost->filter->graph;
1446 int i;
1447
1448 for (i = 0; i < fg->nb_inputs; i++)
1449 if (fg->inputs[i]->ist->st->codec->codec_type == ost->st->codec->codec_type)
1450 return fg->inputs[i]->ist;
1451 }
1452
1453 return NULL;
1454}
1455
19ad5673
AK
1456static void parse_forced_key_frames(char *kf, OutputStream *ost,
1457 AVCodecContext *avctx)
1458{
1459 char *p;
1460 int n = 1, i;
1461 int64_t t;
1462
1463 for (p = kf; *p; p++)
1464 if (*p == ',')
1465 n++;
1466 ost->forced_kf_count = n;
1467 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1468 if (!ost->forced_kf_pts) {
1469 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1470 exit_program(1);
1471 }
4c679750
RD
1472
1473 p = kf;
19ad5673 1474 for (i = 0; i < n; i++) {
4c679750
RD
1475 char *next = strchr(p, ',');
1476
1477 if (next)
1478 *next++ = 0;
1479
19ad5673
AK
1480 t = parse_time_or_die("force_key_frames", p, 1);
1481 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
4c679750
RD
1482
1483 p = next;
19ad5673
AK
1484 }
1485}
1486
ea9367e9 1487static int transcode_init(void)
6291d7e4 1488{
2c474ddb 1489 int ret = 0, i, j, k;
1bb77e51 1490 AVFormatContext *oc;
6291d7e4 1491 AVCodecContext *codec, *icodec;
4288e031 1492 OutputStream *ost;
6291d7e4
AK
1493 InputStream *ist;
1494 char error[1024];
1495 int want_sdp = 1;
b0c9e8e0 1496
f4805328
AK
1497 /* init framerate emulation */
1498 for (i = 0; i < nb_input_files; i++) {
2e215267 1499 InputFile *ifile = input_files[i];
f4805328
AK
1500 if (ifile->rate_emu)
1501 for (j = 0; j < ifile->nb_streams; j++)
2e215267 1502 input_streams[j + ifile->ist_index]->start = av_gettime();
f4805328 1503 }
6291d7e4
AK
1504
1505 /* output stream init */
03f30c83 1506 for (i = 0; i < nb_output_files; i++) {
2e215267 1507 oc = output_files[i]->ctx;
1bb77e51
AK
1508 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
1509 av_dump_format(oc, i, oc->filename, 1);
e3245b26 1510 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
eaf2d37a 1511 return AVERROR(EINVAL);
6291d7e4 1512 }
6291d7e4
AK
1513 }
1514
3b266da3
AK
1515 /* init complex filtergraphs */
1516 for (i = 0; i < nb_filtergraphs; i++)
1517 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
1518 return ret;
1519
6291d7e4 1520 /* for each output stream, we compute the right encoding parameters */
4288e031 1521 for (i = 0; i < nb_output_streams; i++) {
2e215267
AK
1522 ost = output_streams[i];
1523 oc = output_files[ost->file_index]->ctx;
3b266da3 1524 ist = get_input_stream(ost);
6291d7e4 1525
4dbc6cee
AK
1526 if (ost->attachment_filename)
1527 continue;
1528
03f30c83 1529 codec = ost->st->codec;
6291d7e4 1530
3b266da3
AK
1531 if (ist) {
1532 icodec = ist->st->codec;
1533
1534 ost->st->disposition = ist->st->disposition;
1535 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
1536 codec->chroma_sample_location = icodec->chroma_sample_location;
1537 }
6291d7e4 1538
3d813e4c 1539 if (ost->stream_copy) {
8c4022ac
AK
1540 uint64_t extra_size;
1541
1542 av_assert0(ist && !ost->filter);
1543
1544 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
6291d7e4 1545
e6d2b737 1546 if (extra_size > INT_MAX) {
eaf2d37a 1547 return AVERROR(EINVAL);
e6d2b737 1548 }
6291d7e4
AK
1549
1550 /* if stream_copy is selected, no need to decode or encode */
03f30c83 1551 codec->codec_id = icodec->codec_id;
6291d7e4
AK
1552 codec->codec_type = icodec->codec_type;
1553
03f30c83
AK
1554 if (!codec->codec_tag) {
1555 if (!oc->oformat->codec_tag ||
1556 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
1557 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
6291d7e4
AK
1558 codec->codec_tag = icodec->codec_tag;
1559 }
1560
03f30c83 1561 codec->bit_rate = icodec->bit_rate;
6291d7e4
AK
1562 codec->rc_max_rate = icodec->rc_max_rate;
1563 codec->rc_buffer_size = icodec->rc_buffer_size;
4bf3c8f2 1564 codec->field_order = icodec->field_order;
03f30c83 1565 codec->extradata = av_mallocz(extra_size);
e6d2b737 1566 if (!codec->extradata) {
eaf2d37a 1567 return AVERROR(ENOMEM);
e6d2b737 1568 }
6291d7e4 1569 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
03f30c83 1570 codec->extradata_size = icodec->extradata_size;
7bb3e625 1571 if (!copy_tb) {
03f30c83 1572 codec->time_base = icodec->time_base;
6291d7e4
AK
1573 codec->time_base.num *= icodec->ticks_per_frame;
1574 av_reduce(&codec->time_base.num, &codec->time_base.den,
1575 codec->time_base.num, codec->time_base.den, INT_MAX);
03f30c83 1576 } else
6291d7e4 1577 codec->time_base = ist->st->time_base;
03f30c83 1578
7636c8c6 1579 switch (codec->codec_type) {
6291d7e4 1580 case AVMEDIA_TYPE_AUDIO:
7636c8c6 1581 if (audio_volume != 256) {
e3245b26 1582 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
6291d7e4
AK
1583 exit_program(1);
1584 }
03f30c83
AK
1585 codec->channel_layout = icodec->channel_layout;
1586 codec->sample_rate = icodec->sample_rate;
1587 codec->channels = icodec->channels;
1588 codec->frame_size = icodec->frame_size;
6291d7e4 1589 codec->audio_service_type = icodec->audio_service_type;
03f30c83 1590 codec->block_align = icodec->block_align;
6291d7e4
AK
1591 break;
1592 case AVMEDIA_TYPE_VIDEO:
03f30c83
AK
1593 codec->pix_fmt = icodec->pix_fmt;
1594 codec->width = icodec->width;
1595 codec->height = icodec->height;
1596 codec->has_b_frames = icodec->has_b_frames;
6291d7e4 1597 if (!codec->sample_aspect_ratio.num) {
03f30c83 1598 codec->sample_aspect_ratio =
6291d7e4
AK
1599 ost->st->sample_aspect_ratio =
1600 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1601 ist->st->codec->sample_aspect_ratio.num ?
1602 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1603 }
1604 break;
1605 case AVMEDIA_TYPE_SUBTITLE:
03f30c83 1606 codec->width = icodec->width;
6291d7e4
AK
1607 codec->height = icodec->height;
1608 break;
1609 case AVMEDIA_TYPE_DATA:
3ccd1580 1610 case AVMEDIA_TYPE_ATTACHMENT:
6291d7e4
AK
1611 break;
1612 default:
1613 abort();
1614 }
1615 } else {
2994913d
AK
1616 if (!ost->enc) {
1617 /* should only happen when a default codec is not present. */
1618 snprintf(error, sizeof(error), "Automatic encoder selection "
1619 "failed for output stream #%d:%d. Default encoder for "
1620 "format %s is probably disabled. Please choose an "
1621 "encoder manually.\n", ost->file_index, ost->index,
1622 oc->oformat->name);
1623 ret = AVERROR(EINVAL);
1624 goto dump_format;
1625 }
03f30c83 1626
3b266da3
AK
1627 if (ist)
1628 ist->decoding_needed = 1;
11fdb7e1 1629 ost->encoding_needed = 1;
03f30c83 1630
74b961db
AK
1631 /*
1632 * We want CFR output if and only if one of those is true:
1633 * 1) user specified output framerate with -r
1634 * 2) user specified -vsync cfr
1635 * 3) output format is CFR and the user didn't force vsync to
1636 * something else than CFR
1637 *
1638 * in such a case, set ost->frame_rate
1639 */
1640 if (codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1641 !ost->frame_rate.num && ist &&
1642 (video_sync_method == VSYNC_CFR ||
1643 (video_sync_method == VSYNC_AUTO &&
1644 !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
aba232cf 1645 ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
74b961db
AK
1646 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
1647 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
1648 ost->frame_rate = ost->enc->supported_framerates[idx];
1649 }
1650 }
1651
369cb092
AK
1652 if (!ost->filter &&
1653 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
1654 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
3b266da3
AK
1655 FilterGraph *fg;
1656 fg = init_simple_filtergraph(ist, ost);
8daf21d5 1657 if (configure_filtergraph(fg)) {
3b266da3
AK
1658 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
1659 exit(1);
1660 }
369cb092 1661 }
3b266da3 1662
369cb092
AK
1663 switch (codec->codec_type) {
1664 case AVMEDIA_TYPE_AUDIO:
1665 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
1666 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
1667 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
1668 codec->channels = av_get_channel_layout_nb_channels(codec->channel_layout);
1669 codec->time_base = (AVRational){ 1, codec->sample_rate };
1670 break;
1671 case AVMEDIA_TYPE_VIDEO:
74b961db 1672 codec->time_base = ost->filter->filter->inputs[0]->time_base;
6291d7e4 1673
3b266da3
AK
1674 codec->width = ost->filter->filter->inputs[0]->w;
1675 codec->height = ost->filter->filter->inputs[0]->h;
1676 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
1677 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
1678 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
1679 ost->filter->filter->inputs[0]->sample_aspect_ratio;
1680 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
b7327887 1681
9dced854
AK
1682 if (codec->width != icodec->width ||
1683 codec->height != icodec->height ||
1684 codec->pix_fmt != icodec->pix_fmt) {
b7327887
AK
1685 codec->bits_per_raw_sample = 0;
1686 }
1687
19ad5673
AK
1688 if (ost->forced_keyframes)
1689 parse_forced_key_frames(ost->forced_keyframes, ost,
1690 ost->st->codec);
6291d7e4
AK
1691 break;
1692 case AVMEDIA_TYPE_SUBTITLE:
c9af8326 1693 codec->time_base = (AVRational){1, 1000};
6291d7e4
AK
1694 break;
1695 default:
1696 abort();
1697 break;
1698 }
1699 /* two pass mode */
515901fa 1700 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
6291d7e4
AK
1701 char logfilename[1024];
1702 FILE *f;
1703
1704 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1705 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1706 i);
6e8be949
AK
1707 if (!strcmp(ost->enc->name, "libx264")) {
1708 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
1709 } else {
64334ddb
AK
1710 if (codec->flags & CODEC_FLAG_PASS1) {
1711 f = fopen(logfilename, "wb");
1712 if (!f) {
1713 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
1714 logfilename, strerror(errno));
1715 exit_program(1);
1716 }
1717 ost->logfile = f;
1718 } else {
1719 char *logbuffer;
1720 size_t logbuffer_size;
1721 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
1722 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
1723 logfilename);
1724 exit_program(1);
1725 }
1726 codec->stats_in = logbuffer;
6291d7e4 1727 }
6e8be949 1728 }
6291d7e4
AK
1729 }
1730 }
6291d7e4
AK
1731 }
1732
1733 /* open each encoder */
4288e031 1734 for (i = 0; i < nb_output_streams; i++) {
2e215267 1735 ost = output_streams[i];
6291d7e4 1736 if (ost->encoding_needed) {
03f30c83 1737 AVCodec *codec = ost->enc;
3b266da3 1738 AVCodecContext *dec = NULL;
3b266da3
AK
1739
1740 if ((ist = get_input_stream(ost)))
1741 dec = ist->st->codec;
1742 if (dec && dec->subtitle_header) {
6291d7e4
AK
1743 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
1744 if (!ost->st->codec->subtitle_header) {
1745 ret = AVERROR(ENOMEM);
1746 goto dump_format;
1747 }
1748 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
1749 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
1750 }
2473a45c
JG
1751 if (!av_dict_get(ost->opts, "threads", NULL, 0))
1752 av_dict_set(&ost->opts, "threads", "auto", 0);
6291d7e4 1753 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
9a414d89 1754 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
1755 ost->file_index, ost->index);
1756 ret = AVERROR(EINVAL);
1757 goto dump_format;
1758 }
1759 assert_codec_experimental(ost->st->codec, 1);
1760 assert_avoptions(ost->opts);
1761 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
1762 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
1763 "It takes bits/s as argument, not kbits/s\n");
1764 extra_size += ost->st->codec->extradata_size;
d242d80e
AK
1765
1766 if (ost->st->codec->me_threshold)
2e215267 1767 input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
6291d7e4
AK
1768 }
1769 }
1770
630902a1
AK
1771 /* init input streams */
1772 for (i = 0; i < nb_input_streams; i++)
ea9367e9 1773 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
630902a1 1774 goto dump_format;
6291d7e4 1775
2c474ddb
AK
1776 /* discard unused programs */
1777 for (i = 0; i < nb_input_files; i++) {
2e215267 1778 InputFile *ifile = input_files[i];
2c474ddb
AK
1779 for (j = 0; j < ifile->ctx->nb_programs; j++) {
1780 AVProgram *p = ifile->ctx->programs[j];
1781 int discard = AVDISCARD_ALL;
1782
1783 for (k = 0; k < p->nb_stream_indexes; k++)
2e215267 1784 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2c474ddb
AK
1785 discard = AVDISCARD_DEFAULT;
1786 break;
1787 }
1788 p->discard = discard;
1789 }
1790 }
1791
6291d7e4 1792 /* open files and write file headers */
af70aa45 1793 for (i = 0; i < nb_output_files; i++) {
2e215267 1794 oc = output_files[i]->ctx;
1bb77e51 1795 oc->interrupt_callback = int_cb;
a1a6cdc2
MS
1796 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
1797 char errbuf[128];
1798 const char *errbuf_ptr = errbuf;
1799 if (av_strerror(ret, errbuf, sizeof(errbuf)) < 0)
1800 errbuf_ptr = strerror(AVUNERROR(ret));
1801 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?): %s", i, errbuf_ptr);
6291d7e4
AK
1802 ret = AVERROR(EINVAL);
1803 goto dump_format;
1804 }
2e215267 1805 assert_avoptions(output_files[i]->opts);
1bb77e51 1806 if (strcmp(oc->oformat->name, "rtp")) {
6291d7e4
AK
1807 want_sdp = 0;
1808 }
1809 }
1810
1811 dump_format:
1812 /* dump the file output parameters - cannot be done before in case
1813 of stream copy */
03f30c83 1814 for (i = 0; i < nb_output_files; i++) {
2e215267 1815 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
6291d7e4
AK
1816 }
1817
1818 /* dump the stream mapping */
e3245b26 1819 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3b266da3
AK
1820 for (i = 0; i < nb_input_streams; i++) {
1821 ist = input_streams[i];
1822
1823 for (j = 0; j < ist->nb_filters; j++) {
3b266da3
AK
1824 if (ist->filters[j]->graph->graph_desc) {
1825 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
1826 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
cf6c38c6 1827 ist->filters[j]->name);
3b266da3
AK
1828 if (nb_filtergraphs > 1)
1829 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
1830 av_log(NULL, AV_LOG_INFO, "\n");
1831 }
1832 }
1833 }
1834
e3245b26 1835 for (i = 0; i < nb_output_streams; i++) {
2e215267 1836 ost = output_streams[i];
4dbc6cee
AK
1837
1838 if (ost->attachment_filename) {
1839 /* an attached file */
1840 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
1841 ost->attachment_filename, ost->file_index, ost->index);
1842 continue;
1843 }
3b266da3
AK
1844
1845 if (ost->filter && ost->filter->graph->graph_desc) {
1846 /* output from a complex graph */
cf6c38c6 1847 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3b266da3
AK
1848 if (nb_filtergraphs > 1)
1849 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
1850
1851 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
1852 ost->index, ost->enc ? ost->enc->name : "?");
1853 continue;
1854 }
1855
9a414d89 1856 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2e215267
AK
1857 input_streams[ost->source_index]->file_index,
1858 input_streams[ost->source_index]->st->index,
e3245b26
AK
1859 ost->file_index,
1860 ost->index);
2e215267 1861 if (ost->sync_ist != input_streams[ost->source_index])
9a414d89 1862 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
e3245b26
AK
1863 ost->sync_ist->file_index,
1864 ost->sync_ist->st->index);
3d813e4c 1865 if (ost->stream_copy)
e3245b26
AK
1866 av_log(NULL, AV_LOG_INFO, " (copy)");
1867 else
2e215267
AK
1868 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
1869 input_streams[ost->source_index]->dec->name : "?",
e3245b26
AK
1870 ost->enc ? ost->enc->name : "?");
1871 av_log(NULL, AV_LOG_INFO, "\n");
6291d7e4
AK
1872 }
1873
1874 if (ret) {
e3245b26 1875 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
eaf2d37a 1876 return ret;
6291d7e4
AK
1877 }
1878
1879 if (want_sdp) {
ea9367e9 1880 print_sdp();
6291d7e4
AK
1881 }
1882
eaf2d37a
AC
1883 return 0;
1884}
1885
2f51ec2b
AK
1886/**
1887 * @return 1 if there are still streams where more output is wanted,
1888 * 0 otherwise
1889 */
1890static int need_output(void)
1891{
1892 int i;
1893
1894 for (i = 0; i < nb_output_streams; i++) {
1895 OutputStream *ost = output_streams[i];
1896 OutputFile *of = output_files[ost->file_index];
1897 AVFormatContext *os = output_files[ost->file_index]->ctx;
1898
1899 if (ost->is_past_recording_time ||
1900 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
1901 continue;
e58b75f7 1902 if (ost->frame_number >= ost->max_frames) {
2f51ec2b
AK
1903 int j;
1904 for (j = 0; j < of->ctx->nb_streams; j++)
1905 output_streams[of->ost_index + j]->is_past_recording_time = 1;
1906 continue;
1907 }
1908
1909 return 1;
1910 }
1911
1912 return 0;
1913}
1914
a508e7a1
AK
1915static int select_input_file(uint8_t *no_packet)
1916{
1917 int64_t ipts_min = INT64_MAX;
1918 int i, file_index = -1;
1919
1920 for (i = 0; i < nb_input_streams; i++) {
1921 InputStream *ist = input_streams[i];
1922 int64_t ipts = ist->last_dts;
1923
1924 if (ist->discard || no_packet[ist->file_index])
1925 continue;
1926 if (!input_files[ist->file_index]->eof_reached) {
1927 if (ipts < ipts_min) {
1928 ipts_min = ipts;
1929 file_index = ist->file_index;
1930 }
1931 }
1932 }
1933
1934 return file_index;
1935}
1936
47b812e9 1937#if HAVE_PTHREADS
5db5169e
AK
1938static void *input_thread(void *arg)
1939{
1940 InputFile *f = arg;
1941 int ret = 0;
1942
1943 while (!transcoding_finished && ret >= 0) {
1944 AVPacket pkt;
1945 ret = av_read_frame(f->ctx, &pkt);
1946
1947 if (ret == AVERROR(EAGAIN)) {
896bb0d7 1948 av_usleep(10000);
5db5169e
AK
1949 ret = 0;
1950 continue;
1951 } else if (ret < 0)
1952 break;
1953
1954 pthread_mutex_lock(&f->fifo_lock);
1955 while (!av_fifo_space(f->fifo))
1956 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
1957
1958 av_dup_packet(&pkt);
1959 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
1960
1961 pthread_mutex_unlock(&f->fifo_lock);
1962 }
1963
1964 f->finished = 1;
1965 return NULL;
1966}
1967
1968static void free_input_threads(void)
1969{
1970 int i;
1971
1972 if (nb_input_files == 1)
1973 return;
1974
1975 transcoding_finished = 1;
1976
1977 for (i = 0; i < nb_input_files; i++) {
1978 InputFile *f = input_files[i];
1979 AVPacket pkt;
1980
9034b0ed 1981 if (!f->fifo || f->joined)
5db5169e
AK
1982 continue;
1983
1984 pthread_mutex_lock(&f->fifo_lock);
1985 while (av_fifo_size(f->fifo)) {
1986 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
1987 av_free_packet(&pkt);
1988 }
1989 pthread_cond_signal(&f->fifo_cond);
1990 pthread_mutex_unlock(&f->fifo_lock);
1991
1992 pthread_join(f->thread, NULL);
1993 f->joined = 1;
1994
1995 while (av_fifo_size(f->fifo)) {
1996 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
1997 av_free_packet(&pkt);
1998 }
1999 av_fifo_free(f->fifo);
2000 }
2001}
2002
2003static int init_input_threads(void)
2004{
2005 int i, ret;
2006
2007 if (nb_input_files == 1)
2008 return 0;
2009
2010 for (i = 0; i < nb_input_files; i++) {
2011 InputFile *f = input_files[i];
2012
2013 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
2014 return AVERROR(ENOMEM);
2015
2016 pthread_mutex_init(&f->fifo_lock, NULL);
2017 pthread_cond_init (&f->fifo_cond, NULL);
2018
2019 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
2020 return AVERROR(ret);
2021 }
2022 return 0;
2023}
2024
2025static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
2026{
2027 int ret = 0;
2028
2029 pthread_mutex_lock(&f->fifo_lock);
2030
2031 if (av_fifo_size(f->fifo)) {
2032 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
2033 pthread_cond_signal(&f->fifo_cond);
2034 } else {
2035 if (f->finished)
2036 ret = AVERROR_EOF;
2037 else
2038 ret = AVERROR(EAGAIN);
2039 }
2040
2041 pthread_mutex_unlock(&f->fifo_lock);
2042
2043 return ret;
2044}
2045#endif
2046
2047static int get_input_packet(InputFile *f, AVPacket *pkt)
2048{
47b812e9 2049#if HAVE_PTHREADS
5db5169e
AK
2050 if (nb_input_files > 1)
2051 return get_input_packet_mt(f, pkt);
2052#endif
2053 return av_read_frame(f->ctx, pkt);
2054}
2055
eaf2d37a
AC
2056/*
2057 * The following code is the main loop of the file converter
2058 */
ea9367e9 2059static int transcode(void)
eaf2d37a
AC
2060{
2061 int ret, i;
2062 AVFormatContext *is, *os;
2063 OutputStream *ost;
2064 InputStream *ist;
2065 uint8_t *no_packet;
7636c8c6 2066 int no_packet_count = 0;
eaf2d37a
AC
2067 int64_t timer_start;
2068
2069 if (!(no_packet = av_mallocz(nb_input_files)))
2070 exit_program(1);
2071
ea9367e9 2072 ret = transcode_init();
eaf2d37a
AC
2073 if (ret < 0)
2074 goto fail;
2075
e3245b26 2076 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
6291d7e4
AK
2077 term_init();
2078
2079 timer_start = av_gettime();
2080
47b812e9 2081#if HAVE_PTHREADS
5db5169e
AK
2082 if ((ret = init_input_threads()) < 0)
2083 goto fail;
2084#endif
2085
7636c8c6 2086 for (; received_sigterm == 0;) {
2f51ec2b 2087 int file_index, ist_index;
6291d7e4 2088 AVPacket pkt;
6291d7e4 2089
3b266da3 2090 /* check if there's any stream where output is still needed */
2f51ec2b
AK
2091 if (!need_output()) {
2092 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3b266da3 2093 break;
2f51ec2b 2094 }
3b266da3 2095
a508e7a1
AK
2096 /* select the stream that we must read now */
2097 file_index = select_input_file(no_packet);
6291d7e4
AK
2098 /* if none, if is finished */
2099 if (file_index < 0) {
7636c8c6
AD
2100 if (no_packet_count) {
2101 no_packet_count = 0;
b0c9e8e0 2102 memset(no_packet, 0, nb_input_files);
896bb0d7 2103 av_usleep(10000);
6291d7e4
AK
2104 continue;
2105 }
5db5169e 2106 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
6291d7e4
AK
2107 break;
2108 }
2109
2e215267 2110 is = input_files[file_index]->ctx;
5db5169e
AK
2111 ret = get_input_packet(input_files[file_index], &pkt);
2112
7636c8c6
AD
2113 if (ret == AVERROR(EAGAIN)) {
2114 no_packet[file_index] = 1;
6291d7e4
AK
2115 no_packet_count++;
2116 continue;
2117 }
2118 if (ret < 0) {
5417efbb
AK
2119 if (ret != AVERROR_EOF) {
2120 print_error(is->filename, ret);
2121 if (exit_on_error)
2122 exit_program(1);
2123 }
2e215267 2124 input_files[file_index]->eof_reached = 1;
9e8aae44
AK
2125
2126 for (i = 0; i < input_files[file_index]->nb_streams; i++) {
2127 ist = input_streams[input_files[file_index]->ist_index + i];
2128 if (ist->decoding_needed)
2129 output_packet(ist, NULL);
2130 }
2131
6291d7e4
AK
2132 if (opt_shortest)
2133 break;
2134 else
2135 continue;
2136 }
2137
7636c8c6 2138 no_packet_count = 0;
b0c9e8e0 2139 memset(no_packet, 0, nb_input_files);
6291d7e4
AK
2140
2141 if (do_pkt_dump) {
2142 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2143 is->streams[pkt.stream_index]);
2144 }
2145 /* the following test is needed in case new streams appear
2146 dynamically in stream : we ignore them */
2e215267 2147 if (pkt.stream_index >= input_files[file_index]->nb_streams)
6291d7e4 2148 goto discard_packet;
2e215267
AK
2149 ist_index = input_files[file_index]->ist_index + pkt.stream_index;
2150 ist = input_streams[ist_index];
6291d7e4
AK
2151 if (ist->discard)
2152 goto discard_packet;
2153
2154 if (pkt.dts != AV_NOPTS_VALUE)
2e215267 2155 pkt.dts += av_rescale_q(input_files[ist->file_index]->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
6291d7e4 2156 if (pkt.pts != AV_NOPTS_VALUE)
2e215267 2157 pkt.pts += av_rescale_q(input_files[ist->file_index]->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
6291d7e4 2158
7636c8c6 2159 if (pkt.pts != AV_NOPTS_VALUE)
33f75d72 2160 pkt.pts *= ist->ts_scale;
7636c8c6 2161 if (pkt.dts != AV_NOPTS_VALUE)
33f75d72 2162 pkt.dts *= ist->ts_scale;
6291d7e4 2163
7636c8c6 2164 //fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n",
3101bb66 2165 // ist->next_dts,
7636c8c6
AD
2166 // pkt.dts, input_files[ist->file_index].ts_offset,
2167 // ist->st->codec->codec_type);
3101bb66 2168 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE
6291d7e4 2169 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
7636c8c6 2170 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3101bb66 2171 int64_t delta = pkt_dts - ist->next_dts;
23576b3f 2172 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
2e215267 2173 input_files[ist->file_index]->ts_offset -= delta;
7636c8c6
AD
2174 av_log(NULL, AV_LOG_DEBUG,
2175 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2e215267 2176 delta, input_files[ist->file_index]->ts_offset);
6291d7e4 2177 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
7636c8c6 2178 if (pkt.pts != AV_NOPTS_VALUE)
6291d7e4
AK
2179 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2180 }
2181 }
2182
7636c8c6 2183 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
560f7774 2184 if (output_packet(ist, &pkt) < 0 || poll_filters() < 0) {
9a414d89 2185 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
e3245b26 2186 ist->file_index, ist->st->index);
6291d7e4
AK
2187 if (exit_on_error)
2188 exit_program(1);
2189 av_free_packet(&pkt);
b9630bcf 2190 continue;
6291d7e4
AK
2191 }
2192
2193 discard_packet:
2194 av_free_packet(&pkt);
2195
2196 /* dump report by using the output first video and audio streams */
ea9367e9 2197 print_report(0, timer_start);
6291d7e4 2198 }
47b812e9 2199#if HAVE_PTHREADS
5db5169e
AK
2200 free_input_threads();
2201#endif
6291d7e4
AK
2202
2203 /* at the end of stream, we must flush the decoder buffers */
2204 for (i = 0; i < nb_input_streams; i++) {
2e215267 2205 ist = input_streams[i];
9e8aae44 2206 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
ea9367e9 2207 output_packet(ist, NULL);
6291d7e4
AK
2208 }
2209 }
560f7774 2210 poll_filters();
ea9367e9 2211 flush_encoders();
6291d7e4
AK
2212
2213 term_exit();
2214
2215 /* write the trailer if needed and close file */
7636c8c6 2216 for (i = 0; i < nb_output_files; i++) {
2e215267 2217 os = output_files[i]->ctx;
6291d7e4
AK
2218 av_write_trailer(os);
2219 }
2220
2221 /* dump report by using the first video and audio streams */
ea9367e9 2222 print_report(1, timer_start);
6291d7e4
AK
2223
2224 /* close each encoder */
4288e031 2225 for (i = 0; i < nb_output_streams; i++) {
2e215267 2226 ost = output_streams[i];
6291d7e4
AK
2227 if (ost->encoding_needed) {
2228 av_freep(&ost->st->codec->stats_in);
2229 avcodec_close(ost->st->codec);
2230 }
6291d7e4
AK
2231 }
2232
2233 /* close each decoder */
2234 for (i = 0; i < nb_input_streams; i++) {
2e215267 2235 ist = input_streams[i];
6291d7e4
AK
2236 if (ist->decoding_needed) {
2237 avcodec_close(ist->st->codec);
2238 }
2239 }
2240
2241 /* finished ! */
2242 ret = 0;
2243
2244 fail:
b0c9e8e0 2245 av_freep(&no_packet);
47b812e9 2246#if HAVE_PTHREADS
5db5169e
AK
2247 free_input_threads();
2248#endif
6291d7e4 2249
4288e031
AK
2250 if (output_streams) {
2251 for (i = 0; i < nb_output_streams; i++) {
2e215267 2252 ost = output_streams[i];
6291d7e4 2253 if (ost) {
3d813e4c 2254 if (ost->stream_copy)
6291d7e4
AK
2255 av_freep(&ost->st->codec->extradata);
2256 if (ost->logfile) {
2257 fclose(ost->logfile);
2258 ost->logfile = NULL;
2259 }
6291d7e4 2260 av_freep(&ost->st->codec->subtitle_header);
6291d7e4 2261 av_free(ost->forced_kf_pts);
6291d7e4 2262 av_dict_free(&ost->opts);
6291d7e4
AK
2263 }
2264 }
6291d7e4
AK
2265 }
2266 return ret;
2267}
2268
f5e66827 2269static int64_t getutime(void)
a2c0b830 2270{
f5e66827
AK
2271#if HAVE_GETRUSAGE
2272 struct rusage rusage;
a2c0b830 2273
f5e66827
AK
2274 getrusage(RUSAGE_SELF, &rusage);
2275 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2276#elif HAVE_GETPROCESSTIMES
2277 HANDLE proc;
2278 FILETIME c, e, k, u;
2279 proc = GetCurrentProcess();
2280 GetProcessTimes(proc, &c, &e, &k, &u);
2281 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
2282#else
2283 return av_gettime();
2284#endif
a2c0b830
AK
2285}
2286
f5e66827 2287static int64_t getmaxrss(void)
6291d7e4 2288{
f5e66827
AK
2289#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
2290 struct rusage rusage;
2291 getrusage(RUSAGE_SELF, &rusage);
2292 return (int64_t)rusage.ru_maxrss * 1024;
2293#elif HAVE_GETPROCESSMEMORYINFO
2294 HANDLE proc;
2295 PROCESS_MEMORY_COUNTERS memcounters;
2296 proc = GetCurrentProcess();
2297 memcounters.cb = sizeof(memcounters);
2298 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
2299 return memcounters.PeakPagefileUsage;
2300#else
6291d7e4 2301 return 0;
f5e66827 2302#endif
6291d7e4
AK
2303}
2304
f5e66827 2305static void parse_cpuflags(int argc, char **argv, const OptionDef *options)
3ec34462 2306{
f5e66827
AK
2307 int idx = locate_option(argc, argv, options, "cpuflags");
2308 if (idx && argv[idx + 1])
2309 opt_cpuflags("cpuflags", argv[idx + 1]);
3ec34462
AK
2310}
2311
6291d7e4
AK
2312int main(int argc, char **argv)
2313{
575ec4e1 2314 OptionsContext o = { 0 };
6291d7e4
AK
2315 int64_t ti;
2316
575ec4e1
AK
2317 reset_options(&o);
2318
6291d7e4 2319 av_log_set_flags(AV_LOG_SKIP_REPEATED);
182cbe43 2320 parse_loglevel(argc, argv, options);
6291d7e4
AK
2321
2322 avcodec_register_all();
2323#if CONFIG_AVDEVICE
2324 avdevice_register_all();
2325#endif
6291d7e4 2326 avfilter_register_all();
6291d7e4 2327 av_register_all();
776f2bb9 2328 avformat_network_init();
6291d7e4 2329
6291d7e4
AK
2330 show_banner();
2331
4138cd29
AK
2332 parse_cpuflags(argc, argv, options);
2333
6291d7e4 2334 /* parse options */
575ec4e1 2335 parse_options(&o, argc, argv, options, opt_output_file);
6291d7e4 2336
7636c8c6 2337 if (nb_output_files <= 0 && nb_input_files == 0) {
6291d7e4 2338 show_usage();
e3245b26 2339 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
6291d7e4
AK
2340 exit_program(1);
2341 }
2342
2343 /* file converter / grab */
2344 if (nb_output_files <= 0) {
2345 fprintf(stderr, "At least one output file must be specified\n");
2346 exit_program(1);
2347 }
2348
2349 if (nb_input_files == 0) {
e3245b26 2350 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
6291d7e4
AK
2351 exit_program(1);
2352 }
2353
2354 ti = getutime();
ea9367e9 2355 if (transcode() < 0)
6291d7e4
AK
2356 exit_program(1);
2357 ti = getutime() - ti;
2358 if (do_benchmark) {
2359 int maxrss = getmaxrss() / 1024;
2360 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
2361 }
2362
dad09ff9
AK
2363 exit_program(0);
2364 return 0;
6291d7e4 2365}