avconv: improve -re implementation
[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"
a903f8f0 35#include "libavutil/channel_layout.h"
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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
6291d7e4 50# include "libavfilter/avfilter.h"
04a14d4d 51# include "libavfilter/buffersrc.h"
ac712309 52# include "libavfilter/buffersink.h"
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53
54#if HAVE_SYS_RESOURCE_H
3f65eff4 55#include <sys/time.h>
6291d7e4 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
8be5b0d6 146static void exit_program(void)
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 }
560f7774 161 av_freep(&filtergraphs[i]->outputs);
a4208b9b 162 av_freep(&filtergraphs[i]->graph_desc);
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163 av_freep(&filtergraphs[i]);
164 }
165 av_freep(&filtergraphs);
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166
167 /* close files */
7636c8c6 168 for (i = 0; i < nb_output_files; i++) {
2e215267 169 AVFormatContext *s = output_files[i]->ctx;
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170 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
171 avio_close(s->pb);
172 avformat_free_context(s);
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173 av_dict_free(&output_files[i]->opts);
174 av_freep(&output_files[i]);
6291d7e4 175 }
1135a071 176 for (i = 0; i < nb_output_streams; i++) {
2e215267 177 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
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178 while (bsfc) {
179 AVBitStreamFilterContext *next = bsfc->next;
180 av_bitstream_filter_close(bsfc);
181 bsfc = next;
182 }
2e215267 183 output_streams[i]->bitstream_filters = NULL;
11d1ca4b 184 avcodec_free_frame(&output_streams[i]->filtered_frame);
ac646076 185
19ad5673 186 av_freep(&output_streams[i]->forced_keyframes);
2e215267 187 av_freep(&output_streams[i]->avfilter);
bbcedade 188 av_freep(&output_streams[i]->logfile_prefix);
2e215267 189 av_freep(&output_streams[i]);
1135a071 190 }
7636c8c6 191 for (i = 0; i < nb_input_files; i++) {
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192 avformat_close_input(&input_files[i]->ctx);
193 av_freep(&input_files[i]);
6291d7e4 194 }
9179f27c 195 for (i = 0; i < nb_input_streams; i++) {
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196 av_frame_free(&input_streams[i]->decoded_frame);
197 av_frame_free(&input_streams[i]->filter_frame);
2e215267 198 av_dict_free(&input_streams[i]->opts);
560f7774 199 av_freep(&input_streams[i]->filters);
2e215267 200 av_freep(&input_streams[i]);
9179f27c 201 }
6291d7e4 202
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203 if (vstats_file)
204 fclose(vstats_file);
205 av_free(vstats_filename);
206
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207 av_freep(&input_streams);
208 av_freep(&input_files);
4288e031 209 av_freep(&output_streams);
af70aa45 210 av_freep(&output_files);
6291d7e4 211
6291d7e4 212 uninit_opts();
6291d7e4 213
776f2bb9 214 avformat_network_deinit();
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215
216 if (received_sigterm) {
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217 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
218 (int) received_sigterm);
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219 exit (255);
220 }
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221}
222
f5e66827 223void assert_avoptions(AVDictionary *m)
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224{
225 AVDictionaryEntry *t;
226 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
f24facd3 227 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
5e3f9979 228 exit(1);
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229 }
230}
231
c854102d 232static void abort_codec_experimental(AVCodec *c, int encoder)
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233{
234 const char *codec_string = encoder ? "encoder" : "decoder";
235 AVCodec *codec;
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236 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
237 "results.\nAdd '-strict experimental' if you want to use it.\n",
238 codec_string, c->name);
239 codec = encoder ? avcodec_find_encoder(c->id) : avcodec_find_decoder(c->id);
240 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
241 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
242 codec_string, codec->name);
243 exit(1);
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244}
245
c1ef30a6 246/*
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247 * Update the requested input sample format based on the output sample format.
248 * This is currently only used to request float output from decoders which
249 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
250 * Ideally this will be removed in the future when decoders do not do format
251 * conversion and only output in their native format.
252 */
253static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
254 AVCodecContext *enc)
255{
256 /* if sample formats match or a decoder sample format has already been
257 requested, just return */
258 if (enc->sample_fmt == dec->sample_fmt ||
259 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
260 return;
261
262 /* if decoder supports more than one output format */
263 if (dec_codec && dec_codec->sample_fmts &&
264 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
265 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
266 const enum AVSampleFormat *p;
fd41cb43
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267 int min_dec = INT_MAX, min_inc = INT_MAX;
268 enum AVSampleFormat dec_fmt = AV_SAMPLE_FMT_NONE;
269 enum AVSampleFormat inc_fmt = AV_SAMPLE_FMT_NONE;
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270
271 /* find a matching sample format in the encoder */
272 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
273 if (*p == enc->sample_fmt) {
274 dec->request_sample_fmt = *p;
275 return;
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276 } else {
277 enum AVSampleFormat dfmt = av_get_packed_sample_fmt(*p);
278 enum AVSampleFormat efmt = av_get_packed_sample_fmt(enc->sample_fmt);
279 int fmt_diff = 32 * abs(dfmt - efmt);
280 if (av_sample_fmt_is_planar(*p) !=
281 av_sample_fmt_is_planar(enc->sample_fmt))
282 fmt_diff++;
283 if (dfmt == efmt) {
284 min_inc = fmt_diff;
285 inc_fmt = *p;
286 } else if (dfmt > efmt) {
287 if (fmt_diff < min_inc) {
288 min_inc = fmt_diff;
289 inc_fmt = *p;
290 }
291 } else {
292 if (fmt_diff < min_dec) {
293 min_dec = fmt_diff;
294 dec_fmt = *p;
295 }
296 }
297 }
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298 }
299
300 /* if none match, provide the one that matches quality closest */
fd41cb43 301 dec->request_sample_fmt = min_inc != INT_MAX ? inc_fmt : dec_fmt;
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302 }
303}
304
f15f02c2 305static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
7636c8c6 306{
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307 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
308 AVCodecContext *avctx = ost->st->codec;
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309 int ret;
310
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311 /*
312 * Audio encoders may split the packets -- #frames in != #packets out.
313 * But there is no reordering, so we can limit the number of output packets
314 * by simply dropping them here.
315 * Counting encoded video frames needs to be done separately because of
316 * reordering, see do_video_out()
317 */
318 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
c9594fe0
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319 if (ost->frame_number >= ost->max_frames) {
320 av_free_packet(pkt);
99932847 321 return;
c9594fe0 322 }
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323 ost->frame_number++;
324 }
325
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326 while (bsfc) {
327 AVPacket new_pkt = *pkt;
328 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
329 &new_pkt.data, &new_pkt.size,
330 pkt->data, pkt->size,
331 pkt->flags & AV_PKT_FLAG_KEY);
332 if (a > 0) {
6291d7e4 333 av_free_packet(pkt);
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334 new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
335 av_buffer_default_free, NULL, 0);
336 if (!new_pkt.buf)
337 exit(1);
7636c8c6 338 } else if (a < 0) {
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339 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
340 bsfc->filter->name, pkt->stream_index,
341 avctx->codec ? avctx->codec->name : "copy");
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342 print_error("", a);
343 if (exit_on_error)
5e3f9979 344 exit(1);
6291d7e4 345 }
7636c8c6 346 *pkt = new_pkt;
6291d7e4 347
7636c8c6 348 bsfc = bsfc->next;
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349 }
350
61a09968 351 pkt->stream_index = ost->index;
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352 ret = av_interleaved_write_frame(s, pkt);
353 if (ret < 0) {
6291d7e4 354 print_error("av_interleaved_write_frame()", ret);
5e3f9979 355 exit(1);
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356 }
357}
358
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359static int check_recording_time(OutputStream *ost)
360{
2e215267 361 OutputFile *of = output_files[ost->file_index];
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362
363 if (of->recording_time != INT64_MAX &&
364 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
365 AV_TIME_BASE_Q) >= 0) {
57d24225 366 ost->finished = 1;
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367 return 0;
368 }
369 return 1;
370}
371
369cb092
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372static void do_audio_out(AVFormatContext *s, OutputStream *ost,
373 AVFrame *frame)
ee458cb1
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374{
375 AVCodecContext *enc = ost->st->codec;
ee458cb1 376 AVPacket pkt;
369cb092 377 int got_packet = 0;
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378
379 av_init_packet(&pkt);
380 pkt.data = NULL;
381 pkt.size = 0;
382
369cb092 383 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
9b9fc9ba 384 frame->pts = ost->sync_opts;
369cb092 385 ost->sync_opts = frame->pts + frame->nb_samples;
ee458cb1 386
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387 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
388 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
5e3f9979 389 exit(1);
ee458cb1
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390 }
391
392 if (got_packet) {
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393 if (pkt.pts != AV_NOPTS_VALUE)
394 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
a75bc764
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395 if (pkt.dts != AV_NOPTS_VALUE)
396 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
ee458cb1
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397 if (pkt.duration > 0)
398 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
399
400 write_frame(s, &pkt, ost);
401
402 audio_size += pkt.size;
403 }
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404}
405
54b298fe 406#if FF_API_DEINTERLACE
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407static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
408{
409 AVCodecContext *dec;
410 AVPicture *picture2;
411 AVPicture picture_tmp;
412 uint8_t *buf = 0;
413
414 dec = ist->st->codec;
415
416 /* deinterlace : must be done before any resize */
417 if (do_deinterlace) {
418 int size;
419
420 /* create temporary picture */
421 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
7636c8c6 422 buf = av_malloc(size);
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423 if (!buf)
424 return;
425
426 picture2 = &picture_tmp;
427 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
428
7636c8c6 429 if (avpicture_deinterlace(picture2, picture,
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430 dec->pix_fmt, dec->width, dec->height) < 0) {
431 /* if error, do not deinterlace */
e3245b26 432 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
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433 av_free(buf);
434 buf = NULL;
435 picture2 = picture;
436 }
437 } else {
438 picture2 = picture;
439 }
440
441 if (picture != picture2)
442 *picture = *picture2;
443 *bufp = buf;
444}
54b298fe 445#endif
6291d7e4 446
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447static void do_subtitle_out(AVFormatContext *s,
448 OutputStream *ost,
449 InputStream *ist,
450 AVSubtitle *sub,
451 int64_t pts)
452{
453 static uint8_t *subtitle_out = NULL;
454 int subtitle_out_max_size = 1024 * 1024;
455 int subtitle_out_size, nb, i;
456 AVCodecContext *enc;
457 AVPacket pkt;
458
459 if (pts == AV_NOPTS_VALUE) {
e3245b26 460 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
6291d7e4 461 if (exit_on_error)
5e3f9979 462 exit(1);
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463 return;
464 }
465
466 enc = ost->st->codec;
467
468 if (!subtitle_out) {
469 subtitle_out = av_malloc(subtitle_out_max_size);
470 }
471
472 /* Note: DVB subtitle need one packet to draw them and one other
473 packet to clear them */
474 /* XXX: signal it in the codec context ? */
36ef5369 475 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
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476 nb = 2;
477 else
478 nb = 1;
479
7636c8c6 480 for (i = 0; i < nb; i++) {
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481 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
482 if (!check_recording_time(ost))
483 return;
484
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485 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
486 // start_display_time is required to be 0
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487 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
488 sub->end_display_time -= sub->start_display_time;
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489 sub->start_display_time = 0;
490 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
491 subtitle_out_max_size, sub);
492 if (subtitle_out_size < 0) {
e3245b26 493 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
5e3f9979 494 exit(1);
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495 }
496
497 av_init_packet(&pkt);
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498 pkt.data = subtitle_out;
499 pkt.size = subtitle_out_size;
7636c8c6 500 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
36ef5369 501 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
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502 /* XXX: the pts correction is handled here. Maybe handling
503 it in the codec would be better */
504 if (i == 0)
505 pkt.pts += 90 * sub->start_display_time;
506 else
507 pkt.pts += 90 * sub->end_display_time;
508 }
f15f02c2 509 write_frame(s, &pkt, ost);
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510 }
511}
512
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513static void do_video_out(AVFormatContext *s,
514 OutputStream *ost,
87ef060c 515 AVFrame *in_picture,
fb722a90 516 int *frame_size)
87ef060c 517{
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518 int ret, format_video_sync;
519 AVPacket pkt;
520 AVCodecContext *enc = ost->st->codec;
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521
522 *frame_size = 0;
523
553735f5 524 format_video_sync = video_sync_method;
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525 if (format_video_sync == VSYNC_AUTO)
526 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
527 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
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528 if (format_video_sync != VSYNC_PASSTHROUGH &&
529 ost->frame_number &&
530 in_picture->pts != AV_NOPTS_VALUE &&
531 in_picture->pts < ost->sync_opts) {
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532 nb_frames_drop++;
533 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
87ef060c 534 return;
d43040e2 535 }
87ef060c 536
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537 if (in_picture->pts == AV_NOPTS_VALUE)
538 in_picture->pts = ost->sync_opts;
539 ost->sync_opts = in_picture->pts;
540
541
1270e12e 542 if (!ost->frame_number)
74b961db 543 ost->first_pts = in_picture->pts;
1270e12e 544
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545 av_init_packet(&pkt);
546 pkt.data = NULL;
547 pkt.size = 0;
6291d7e4 548
a83c0da5 549 if (ost->frame_number >= ost->max_frames)
39885a4b 550 return;
1270e12e 551
39885a4b 552 if (s->oformat->flags & AVFMT_RAWPICTURE &&
36ef5369 553 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
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554 /* raw pictures are written as AVPicture structure to
555 avoid any copies. We support temporarily the older
556 method. */
557 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
558 enc->coded_frame->top_field_first = in_picture->top_field_first;
559 pkt.data = (uint8_t *)in_picture;
560 pkt.size = sizeof(AVPicture);
561 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
562 pkt.flags |= AV_PKT_FLAG_KEY;
6291d7e4 563
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564 write_frame(s, &pkt, ost);
565 } else {
566 int got_packet;
6291d7e4 567
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568 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
569 ost->top_field_first >= 0)
570 in_picture->top_field_first = !!ost->top_field_first;
571
572 in_picture->quality = ost->st->codec->global_quality;
39885a4b 573 if (!enc->me_threshold)
9b2dc295 574 in_picture->pict_type = 0;
39885a4b 575 if (ost->forced_kf_index < ost->forced_kf_count &&
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576 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
577 in_picture->pict_type = AV_PICTURE_TYPE_I;
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578 ost->forced_kf_index++;
579 }
9b2dc295 580 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
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581 if (ret < 0) {
582 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
5e3f9979 583 exit(1);
39885a4b 584 }
6291d7e4 585
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586 if (got_packet) {
587 if (pkt.pts != AV_NOPTS_VALUE)
588 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
589 if (pkt.dts != AV_NOPTS_VALUE)
590 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
6291d7e4 591
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592 write_frame(s, &pkt, ost);
593 *frame_size = pkt.size;
594 video_size += pkt.size;
324fbadf 595
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596 /* if two pass, output log */
597 if (ost->logfile && enc->stats_out) {
598 fprintf(ost->logfile, "%s", enc->stats_out);
6291d7e4
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599 }
600 }
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601 }
602 ost->sync_opts++;
603 /*
604 * For video, number of frames in == number of packets out.
605 * But there may be reordering, so we can't throw away frames on encoder
606 * flush, we need to limit them here, before they go into encoder.
607 */
608 ost->frame_number++;
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609}
610
7636c8c6
AD
611static double psnr(double d)
612{
613 return -10.0 * log(d) / log(10.0);
6291d7e4
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614}
615
70478746 616static void do_video_stats(OutputStream *ost, int frame_size)
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617{
618 AVCodecContext *enc;
619 int frame_number;
620 double ti1, bitrate, avg_bitrate;
621
622 /* this is executed just the first time do_video_stats is called */
623 if (!vstats_file) {
624 vstats_file = fopen(vstats_filename, "w");
625 if (!vstats_file) {
626 perror("fopen");
5e3f9979 627 exit(1);
6291d7e4
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628 }
629 }
630
631 enc = ost->st->codec;
632 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
633 frame_number = ost->frame_number;
7636c8c6 634 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
6291d7e4 635 if (enc->flags&CODEC_FLAG_PSNR)
7636c8c6 636 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
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637
638 fprintf(vstats_file,"f_size= %6d ", frame_size);
639 /* compute pts value */
640 ti1 = ost->sync_opts * av_q2d(enc->time_base);
641 if (ti1 < 0.01)
642 ti1 = 0.01;
643
7636c8c6 644 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
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645 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
646 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
7636c8c6 647 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
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648 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
649 }
650}
651
c1ef30a6 652/*
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653 * Read one frame for lavfi output for ost and encode it.
654 */
655static int poll_filter(OutputStream *ost)
560f7774 656{
a4f50110 657 OutputFile *of = output_files[ost->file_index];
560f7774 658 AVFrame *filtered_frame = NULL;
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659 int frame_size, ret;
660
661 if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
662 return AVERROR(ENOMEM);
663 } else
664 avcodec_get_frame_defaults(ost->filtered_frame);
665 filtered_frame = ost->filtered_frame;
666
667 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
668 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
9b2dc295 669 ret = av_buffersink_get_samples(ost->filter->filter, filtered_frame,
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670 ost->st->codec->frame_size);
671 else
9b2dc295 672 ret = av_buffersink_get_frame(ost->filter->filter, filtered_frame);
369cb092 673
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674 if (ret < 0)
675 return ret;
560f7774 676
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677 if (filtered_frame->pts != AV_NOPTS_VALUE) {
678 filtered_frame->pts = av_rescale_q(filtered_frame->pts,
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679 ost->filter->filter->inputs[0]->time_base,
680 ost->st->codec->time_base) -
681 av_rescale_q(of->start_time,
682 AV_TIME_BASE_Q,
683 ost->st->codec->time_base);
560f7774 684 }
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685
686 switch (ost->filter->filter->inputs[0]->type) {
687 case AVMEDIA_TYPE_VIDEO:
688 if (!ost->frame_aspect_ratio)
9b2dc295 689 ost->st->codec->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
a4f50110 690
fb722a90 691 do_video_out(of->ctx, ost, filtered_frame, &frame_size);
a4f50110 692 if (vstats_filename && frame_size)
70478746 693 do_video_stats(ost, frame_size);
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694 break;
695 case AVMEDIA_TYPE_AUDIO:
696 do_audio_out(of->ctx, ost, filtered_frame);
697 break;
698 default:
699 // TODO support subtitle filters
700 av_assert0(0);
701 }
702
9b2dc295 703 av_frame_unref(filtered_frame);
a4f50110 704
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705 return 0;
706}
707
c1ef30a6 708/*
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709 * Read as many frames from possible from lavfi and encode them.
710 *
711 * Always read from the active stream with the lowest timestamp. If no frames
712 * are available for it then return EAGAIN and wait for more input. This way we
713 * can use lavfi sources that generate unlimited amount of frames without memory
714 * usage exploding.
715 */
716static int poll_filters(void)
717{
3c0df905 718 int i, j, ret = 0;
a4f50110
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719
720 while (ret >= 0 && !received_sigterm) {
721 OutputStream *ost = NULL;
722 int64_t min_pts = INT64_MAX;
723
724 /* choose output stream with the lowest timestamp */
725 for (i = 0; i < nb_output_streams; i++) {
726 int64_t pts = output_streams[i]->sync_opts;
727
57d24225 728 if (!output_streams[i]->filter || output_streams[i]->finished)
a4f50110
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729 continue;
730
731 pts = av_rescale_q(pts, output_streams[i]->st->codec->time_base,
732 AV_TIME_BASE_Q);
733 if (pts < min_pts) {
734 min_pts = pts;
735 ost = output_streams[i];
736 }
737 }
738
739 if (!ost)
740 break;
741
742 ret = poll_filter(ost);
743
744 if (ret == AVERROR_EOF) {
3c0df905
AK
745 OutputFile *of = output_files[ost->file_index];
746
57d24225 747 ost->finished = 1;
a4f50110 748
3c0df905
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749 if (of->shortest) {
750 for (j = 0; j < of->ctx->nb_streams; j++)
751 output_streams[of->ost_index + j]->finished = 1;
752 }
a4f50110
AK
753
754 ret = 0;
755 } else if (ret == AVERROR(EAGAIN))
756 return 0;
757 }
758
759 return ret;
760}
761
ea9367e9 762static void print_report(int is_last_report, int64_t timer_start)
6291d7e4
AK
763{
764 char buf[1024];
765 OutputStream *ost;
766 AVFormatContext *oc;
767 int64_t total_size;
768 AVCodecContext *enc;
769 int frame_number, vid, i;
770 double bitrate, ti1, pts;
771 static int64_t last_time = -1;
772 static int qp_histogram[52];
773
3460dd8a
AK
774 if (!print_stats && !is_last_report)
775 return;
776
6291d7e4
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777 if (!is_last_report) {
778 int64_t cur_time;
779 /* display the report every 0.5 seconds */
780 cur_time = av_gettime();
781 if (last_time == -1) {
782 last_time = cur_time;
783 return;
784 }
785 if ((cur_time - last_time) < 500000)
786 return;
787 last_time = cur_time;
788 }
789
790
2e215267 791 oc = output_files[0]->ctx;
6291d7e4
AK
792
793 total_size = avio_size(oc->pb);
1b891d17 794 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
7636c8c6 795 total_size = avio_tell(oc->pb);
1b891d17
JG
796 if (total_size < 0) {
797 char errbuf[128];
798 av_strerror(total_size, errbuf, sizeof(errbuf));
799 av_log(NULL, AV_LOG_VERBOSE, "Bitrate not available, "
800 "avio_tell() failed: %s\n", errbuf);
801 total_size = 0;
802 }
6291d7e4
AK
803
804 buf[0] = '\0';
805 ti1 = 1e10;
806 vid = 0;
ea9367e9 807 for (i = 0; i < nb_output_streams; i++) {
6291d7e4 808 float q = -1;
2e215267 809 ost = output_streams[i];
6291d7e4 810 enc = ost->st->codec;
3d813e4c 811 if (!ost->stream_copy && enc->coded_frame)
7636c8c6 812 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
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813 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
814 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
815 }
816 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
7636c8c6 817 float t = (av_gettime() - timer_start) / 1000000.0;
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818
819 frame_number = ost->frame_number;
820 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
7636c8c6
AD
821 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
822 if (is_last_report)
6291d7e4 823 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
7636c8c6 824 if (qp_hist) {
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AK
825 int j;
826 int qp = lrintf(q);
7636c8c6 827 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
6291d7e4 828 qp_histogram[qp]++;
7636c8c6 829 for (j = 0; j < 32; j++)
d752509b 830 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
6291d7e4 831 }
7636c8c6 832 if (enc->flags&CODEC_FLAG_PSNR) {
6291d7e4 833 int j;
7636c8c6
AD
834 double error, error_sum = 0;
835 double scale, scale_sum = 0;
836 char type[3] = { 'Y','U','V' };
6291d7e4 837 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
7636c8c6
AD
838 for (j = 0; j < 3; j++) {
839 if (is_last_report) {
840 error = enc->error[j];
841 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
842 } else {
843 error = enc->coded_frame->error[j];
844 scale = enc->width * enc->height * 255.0 * 255.0;
6291d7e4 845 }
7636c8c6
AD
846 if (j)
847 scale /= 4;
6291d7e4
AK
848 error_sum += error;
849 scale_sum += scale;
7636c8c6 850 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
6291d7e4 851 }
7636c8c6 852 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
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AK
853 }
854 vid = 1;
855 }
856 /* compute min output value */
857 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
858 if ((pts < ti1) && (pts > 0))
859 ti1 = pts;
860 }
861 if (ti1 < 0.01)
862 ti1 = 0.01;
863
e3245b26 864 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
6291d7e4 865
e3245b26 866 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
6291d7e4
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867 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
868 (double)total_size / 1024, ti1, bitrate);
869
e3245b26
AK
870 if (nb_frames_dup || nb_frames_drop)
871 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
872 nb_frames_dup, nb_frames_drop);
6291d7e4 873
f5646a32 874 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
6291d7e4 875
e3245b26 876 fflush(stderr);
6291d7e4 877
e3245b26 878 if (is_last_report) {
6291d7e4 879 int64_t raw= audio_size + video_size + extra_size;
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AK
880 av_log(NULL, AV_LOG_INFO, "\n");
881 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
7636c8c6
AD
882 video_size / 1024.0,
883 audio_size / 1024.0,
884 extra_size / 1024.0,
885 100.0 * (total_size - raw) / raw
6291d7e4
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886 );
887 }
888}
889
ea9367e9 890static void flush_encoders(void)
4a4ce2e7
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891{
892 int i, ret;
893
ea9367e9 894 for (i = 0; i < nb_output_streams; i++) {
2e215267 895 OutputStream *ost = output_streams[i];
6f1c66d5 896 AVCodecContext *enc = ost->st->codec;
2e215267 897 AVFormatContext *os = output_files[ost->file_index]->ctx;
ee458cb1 898 int stop_encoding = 0;
6f1c66d5 899
b62b5cb6 900 if (!ost->encoding_needed)
6f1c66d5
AK
901 continue;
902
7636c8c6 903 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
6f1c66d5 904 continue;
36ef5369 905 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
6f1c66d5
AK
906 continue;
907
7636c8c6 908 for (;;) {
369cb092
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909 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
910 const char *desc;
911 int64_t *size;
6f1c66d5
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912
913 switch (ost->st->codec->codec_type) {
914 case AVMEDIA_TYPE_AUDIO:
369cb092
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915 encode = avcodec_encode_audio2;
916 desc = "Audio";
917 size = &audio_size;
6f1c66d5
AK
918 break;
919 case AVMEDIA_TYPE_VIDEO:
369cb092
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920 encode = avcodec_encode_video2;
921 desc = "Video";
922 size = &video_size;
923 break;
924 default:
925 stop_encoding = 1;
926 }
927
928 if (encode) {
929 AVPacket pkt;
930 int got_packet;
931 av_init_packet(&pkt);
932 pkt.data = NULL;
933 pkt.size = 0;
934
935 ret = encode(enc, &pkt, NULL, &got_packet);
6f1c66d5 936 if (ret < 0) {
369cb092 937 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
5e3f9979 938 exit(1);
6f1c66d5 939 }
369cb092 940 *size += ret;
6f1c66d5
AK
941 if (ost->logfile && enc->stats_out) {
942 fprintf(ost->logfile, "%s", enc->stats_out);
943 }
8e37038a 944 if (!got_packet) {
ee458cb1
JR
945 stop_encoding = 1;
946 break;
947 }
8e37038a
AK
948 if (pkt.pts != AV_NOPTS_VALUE)
949 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
950 if (pkt.dts != AV_NOPTS_VALUE)
951 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
3ba41640
JR
952 if (pkt.duration > 0)
953 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
ee458cb1 954 write_frame(os, &pkt, ost);
4a4ce2e7 955 }
369cb092 956
ee458cb1 957 if (stop_encoding)
6f1c66d5 958 break;
4a4ce2e7
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959 }
960 }
961}
962
7204ec1a
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963/*
964 * Check whether a packet from ist should be written into ost at this time
965 */
966static int check_output_constraints(InputStream *ist, OutputStream *ost)
967{
2e215267
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968 OutputFile *of = output_files[ost->file_index];
969 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
7204ec1a
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970
971 if (ost->source_index != ist_index)
972 return 0;
973
23576b3f 974 if (of->start_time && ist->last_dts < of->start_time)
7204ec1a
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975 return 0;
976
7204ec1a
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977 return 1;
978}
979
980static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
981{
2e215267 982 OutputFile *of = output_files[ost->file_index];
7204ec1a
AK
983 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
984 AVPacket opkt;
985
986 av_init_packet(&opkt);
987
988 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
989 !ost->copy_initial_nonkeyframes)
990 return;
991
1270e12e 992 if (of->recording_time != INT64_MAX &&
23576b3f 993 ist->last_dts >= of->recording_time + of->start_time) {
57d24225 994 ost->finished = 1;
1270e12e
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995 return;
996 }
997
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998 /* force the input stream PTS */
999 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1000 audio_size += pkt->size;
1001 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1002 video_size += pkt->size;
1003 ost->sync_opts++;
1004 }
1005
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1006 if (pkt->pts != AV_NOPTS_VALUE)
1007 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1008 else
1009 opkt.pts = AV_NOPTS_VALUE;
1010
1011 if (pkt->dts == AV_NOPTS_VALUE)
23576b3f 1012 opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base);
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1013 else
1014 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1015 opkt.dts -= ost_tb_start_time;
1016
1017 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1018 opkt.flags = pkt->flags;
1019
7636c8c6 1020 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
36ef5369
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1021 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
1022 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1023 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1024 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
7204ec1a 1025 ) {
9b2dc295
AK
1026 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY)) {
1027 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1028 if (!opkt.buf)
1029 exit(1);
1030 }
7204ec1a
AK
1031 } else {
1032 opkt.data = pkt->data;
1033 opkt.size = pkt->size;
1034 }
1035
f15f02c2 1036 write_frame(of->ctx, &opkt, ost);
7204ec1a 1037 ost->st->codec->frame_number++;
7204ec1a
AK
1038}
1039
f5e66827 1040int guess_input_channel_layout(InputStream *ist)
369cb092
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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{
9b2dc295 1060 AVFrame *decoded_frame, *f;
d1241ff3 1061 AVCodecContext *avctx = ist->st->codec;
9b2dc295 1062 int i, ret, err = 0, resample_changed;
ded28ba3 1063
9179f27c 1064 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
d1241ff3 1065 return AVERROR(ENOMEM);
9b2dc295
AK
1066 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1067 return AVERROR(ENOMEM);
9179f27c 1068 decoded_frame = ist->decoded_frame;
ded28ba3 1069
d1241ff3 1070 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
f154ef1a
AK
1071 if (!*got_output || ret < 0) {
1072 if (!pkt->size) {
369cb092 1073 for (i = 0; i < ist->nb_filters; i++)
9b2dc295 1074 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
f154ef1a 1075 }
af8ad892 1076 return ret;
ded28ba3
AK
1077 }
1078
d1241ff3
JR
1079 /* if the decoder provides a pts, use it instead of the last packet pts.
1080 the decoder could be delaying output by a packet or more. */
1081 if (decoded_frame->pts != AV_NOPTS_VALUE)
3101bb66 1082 ist->next_dts = decoded_frame->pts;
369cb092
AK
1083 else if (pkt->pts != AV_NOPTS_VALUE) {
1084 decoded_frame->pts = pkt->pts;
1085 pkt->pts = AV_NOPTS_VALUE;
1086 }
ded28ba3 1087
369cb092
AK
1088 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1089 ist->resample_channels != avctx->channels ||
1090 ist->resample_channel_layout != decoded_frame->channel_layout ||
1091 ist->resample_sample_rate != decoded_frame->sample_rate;
1092 if (resample_changed) {
1093 char layout1[64], layout2[64];
ded28ba3 1094
369cb092
AK
1095 if (!guess_input_channel_layout(ist)) {
1096 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1097 "layout for Input Stream #%d.%d\n", ist->file_index,
1098 ist->st->index);
5e3f9979 1099 exit(1);
369cb092
AK
1100 }
1101 decoded_frame->channel_layout = avctx->channel_layout;
1102
1103 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1104 ist->resample_channel_layout);
1105 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1106 decoded_frame->channel_layout);
1107
1108 av_log(NULL, AV_LOG_INFO,
1109 "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",
1110 ist->file_index, ist->st->index,
1111 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1112 ist->resample_channels, layout1,
1113 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1114 avctx->channels, layout2);
1115
1116 ist->resample_sample_fmt = decoded_frame->format;
1117 ist->resample_sample_rate = decoded_frame->sample_rate;
1118 ist->resample_channel_layout = decoded_frame->channel_layout;
1119 ist->resample_channels = avctx->channels;
1120
1121 for (i = 0; i < nb_filtergraphs; i++)
1122 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1123 configure_filtergraph(filtergraphs[i]) < 0) {
1124 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
5e3f9979 1125 exit(1);
369cb092 1126 }
ded28ba3 1127 }
110d2af2 1128
715129cd
MS
1129 if (decoded_frame->pts != AV_NOPTS_VALUE)
1130 decoded_frame->pts = av_rescale_q(decoded_frame->pts,
1131 ist->st->time_base,
1132 (AVRational){1, ist->st->codec->sample_rate});
9b2dc295
AK
1133 for (i = 0; i < ist->nb_filters; i++) {
1134 if (i < ist->nb_filters - 1) {
1135 f = ist->filter_frame;
1136 err = av_frame_ref(f, decoded_frame);
1137 if (err < 0)
1138 break;
1139 } else
1140 f = decoded_frame;
369cb092 1141
9b2dc295
AK
1142 err = av_buffersrc_add_frame(ist->filters[i]->filter, f);
1143 if (err < 0)
1144 break;
1145 }
1146
1147 av_frame_unref(ist->filter_frame);
1148 av_frame_unref(decoded_frame);
1149 return err < 0 ? err : ret;
ded28ba3
AK
1150}
1151
0629f612 1152static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
45d4b66f 1153{
9b2dc295 1154 AVFrame *decoded_frame, *f;
45d4b66f 1155 void *buffer_to_free = NULL;
9b2dc295 1156 int i, ret = 0, err = 0, resample_changed;
45d4b66f 1157
9b2dc295
AK
1158 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1159 return AVERROR(ENOMEM);
1160 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
45d4b66f 1161 return AVERROR(ENOMEM);
9179f27c 1162 decoded_frame = ist->decoded_frame;
45d4b66f
AK
1163
1164 ret = avcodec_decode_video2(ist->st->codec,
1165 decoded_frame, got_output, pkt);
f154ef1a
AK
1166 if (!*got_output || ret < 0) {
1167 if (!pkt->size) {
89605e4a 1168 for (i = 0; i < ist->nb_filters; i++)
9b2dc295 1169 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
f154ef1a 1170 }
af8ad892 1171 return ret;
45d4b66f 1172 }
f154ef1a 1173
b34856a1
AK
1174 decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1175 decoded_frame->pkt_dts);
45d4b66f 1176 pkt->size = 0;
54b298fe 1177#if FF_API_DEINTERLACE
45d4b66f 1178 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
54b298fe 1179#endif
45d4b66f 1180
695ec04e
AK
1181 if (ist->st->sample_aspect_ratio.num)
1182 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1183
e77c8662
AK
1184 resample_changed = ist->resample_width != decoded_frame->width ||
1185 ist->resample_height != decoded_frame->height ||
1186 ist->resample_pix_fmt != decoded_frame->format;
1187 if (resample_changed) {
1188 av_log(NULL, AV_LOG_INFO,
1189 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1190 ist->file_index, ist->st->index,
1191 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1192 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1193
2f34021d
JG
1194 ret = poll_filters();
1195 if (ret < 0 && (ret != AVERROR_EOF && ret != AVERROR(EAGAIN)))
1196 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
1197
e77c8662
AK
1198 ist->resample_width = decoded_frame->width;
1199 ist->resample_height = decoded_frame->height;
1200 ist->resample_pix_fmt = decoded_frame->format;
e77c8662 1201
3b266da3
AK
1202 for (i = 0; i < nb_filtergraphs; i++)
1203 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1204 configure_filtergraph(filtergraphs[i]) < 0) {
ac646076 1205 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
5e3f9979 1206 exit(1);
3b266da3
AK
1207 }
1208 }
ac646076 1209
3b266da3 1210 for (i = 0; i < ist->nb_filters; i++) {
9b2dc295
AK
1211 if (i < ist->nb_filters - 1) {
1212 f = ist->filter_frame;
1213 err = av_frame_ref(f, decoded_frame);
1214 if (err < 0)
1215 break;
04a14d4d 1216 } else
9b2dc295
AK
1217 f = decoded_frame;
1218
1219 err = av_buffersrc_add_frame(ist->filters[i]->filter, f);
1220 if (err < 0)
1221 break;
45d4b66f
AK
1222 }
1223
9b2dc295
AK
1224 av_frame_unref(ist->filter_frame);
1225 av_frame_unref(decoded_frame);
45d4b66f 1226 av_free(buffer_to_free);
9b2dc295 1227 return err < 0 ? err : ret;
45d4b66f
AK
1228}
1229
9595234c
AK
1230static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1231{
1232 AVSubtitle subtitle;
1233 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1234 &subtitle, got_output, pkt);
1235 if (ret < 0)
1236 return ret;
1237 if (!*got_output)
af8ad892 1238 return ret;
9595234c 1239
9595234c 1240 for (i = 0; i < nb_output_streams; i++) {
2e215267 1241 OutputStream *ost = output_streams[i];
9595234c
AK
1242
1243 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1244 continue;
1245
2e215267 1246 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
9595234c
AK
1247 }
1248
1249 avsubtitle_free(&subtitle);
af8ad892 1250 return ret;
9595234c
AK
1251}
1252
6291d7e4 1253/* pkt = NULL means EOF (needed to flush decoder buffers) */
ea9367e9 1254static int output_packet(InputStream *ist, const AVPacket *pkt)
6291d7e4 1255{
ffa0674e 1256 int i;
6291d7e4 1257 int got_output;
6291d7e4 1258 AVPacket avpkt;
6291d7e4 1259
3101bb66 1260 if (ist->next_dts == AV_NOPTS_VALUE)
23576b3f 1261 ist->next_dts = ist->last_dts;
6291d7e4
AK
1262
1263 if (pkt == NULL) {
1264 /* EOF handling */
1265 av_init_packet(&avpkt);
1266 avpkt.data = NULL;
1267 avpkt.size = 0;
1268 goto handle_eof;
1269 } else {
1270 avpkt = *pkt;
1271 }
1272
7636c8c6 1273 if (pkt->dts != AV_NOPTS_VALUE)
23576b3f 1274 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
6291d7e4 1275
7636c8c6 1276 // while we have more to decode or while the decoder did output something on EOF
2a651b71 1277 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
ffa0674e 1278 int ret = 0;
6291d7e4 1279 handle_eof:
6291d7e4 1280
23576b3f 1281 ist->last_dts = ist->next_dts;
8b0268a8
AK
1282
1283 if (avpkt.size && avpkt.size != pkt->size) {
e3245b26
AK
1284 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1285 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
8b0268a8
AK
1286 ist->showed_multi_packet_warning = 1;
1287 }
6291d7e4 1288
7636c8c6 1289 switch (ist->st->codec->codec_type) {
82963f8f 1290 case AVMEDIA_TYPE_AUDIO:
0629f612 1291 ret = decode_audio (ist, &avpkt, &got_output);
82963f8f
AK
1292 break;
1293 case AVMEDIA_TYPE_VIDEO:
0629f612 1294 ret = decode_video (ist, &avpkt, &got_output);
b34856a1
AK
1295 if (avpkt.duration)
1296 ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
aba232cf 1297 else if (ist->st->avg_frame_rate.num)
82494835 1298 ist->next_dts += av_rescale_q(1, av_inv_q(ist->st->avg_frame_rate),
722410ad 1299 AV_TIME_BASE_Q);
b34856a1
AK
1300 else if (ist->st->codec->time_base.num != 0) {
1301 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
1302 ist->st->codec->ticks_per_frame;
1303 ist->next_dts += av_rescale_q(ticks, ist->st->codec->time_base, AV_TIME_BASE_Q);
1304 }
82963f8f
AK
1305 break;
1306 case AVMEDIA_TYPE_SUBTITLE:
1307 ret = transcode_subtitles(ist, &avpkt, &got_output);
1308 break;
78162b4e
AK
1309 default:
1310 return -1;
1311 }
6291d7e4 1312
d3c1d37a
AK
1313 if (ret < 0)
1314 return ret;
aa38cff2
JG
1315 // touch data and size only if not EOF
1316 if (pkt) {
1317 avpkt.data += ret;
1318 avpkt.size -= ret;
1319 }
82963f8f 1320 if (!got_output) {
af8ad892 1321 continue;
82963f8f 1322 }
6291d7e4 1323 }
6291d7e4 1324
7204ec1a 1325 /* handle stream copy */
2a651b71 1326 if (!ist->decoding_needed) {
23576b3f 1327 ist->last_dts = ist->next_dts;
2a651b71
AK
1328 switch (ist->st->codec->codec_type) {
1329 case AVMEDIA_TYPE_AUDIO:
3101bb66 1330 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2a651b71
AK
1331 ist->st->codec->sample_rate;
1332 break;
1333 case AVMEDIA_TYPE_VIDEO:
1334 if (ist->st->codec->time_base.num != 0) {
7636c8c6 1335 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
3101bb66 1336 ist->next_dts += ((int64_t)AV_TIME_BASE *
2a651b71
AK
1337 ist->st->codec->time_base.num * ticks) /
1338 ist->st->codec->time_base.den;
1339 }
1340 break;
1341 }
1342 }
ea9367e9 1343 for (i = 0; pkt && i < nb_output_streams; i++) {
2e215267 1344 OutputStream *ost = output_streams[i];
7204ec1a
AK
1345
1346 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1347 continue;
1348
1349 do_streamcopy(ist, ost, pkt);
1350 }
1351
6291d7e4
AK
1352 return 0;
1353}
1354
ea9367e9 1355static void print_sdp(void)
6291d7e4 1356{
a23abaf3 1357 char sdp[16384];
af70aa45 1358 int i;
ea9367e9 1359 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
af70aa45
AK
1360
1361 if (!avc)
5e3f9979 1362 exit(1);
ea9367e9 1363 for (i = 0; i < nb_output_files; i++)
2e215267 1364 avc[i] = output_files[i]->ctx;
6291d7e4 1365
ea9367e9 1366 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
6291d7e4
AK
1367 printf("SDP:\n%s\n", sdp);
1368 fflush(stdout);
af70aa45 1369 av_freep(&avc);
6291d7e4
AK
1370}
1371
ea9367e9 1372static int init_input_stream(int ist_index, char *error, int error_len)
630902a1 1373{
c854102d 1374 int i, ret;
2e215267 1375 InputStream *ist = input_streams[ist_index];
630902a1
AK
1376 if (ist->decoding_needed) {
1377 AVCodec *codec = ist->dec;
630902a1 1378 if (!codec) {
9a414d89 1379 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
630902a1
AK
1380 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1381 return AVERROR(EINVAL);
1382 }
1383
1384 /* update requested sample format for the decoder based on the
1385 corresponding encoder sample format */
1386 for (i = 0; i < nb_output_streams; i++) {
2e215267 1387 OutputStream *ost = output_streams[i];
630902a1
AK
1388 if (ost->source_index == ist_index) {
1389 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1390 break;
1391 }
1392 }
1393
9b2dc295 1394 av_opt_set_int(ist->st->codec, "refcounted_frames", 1, 0);
64dca32c 1395
2473a45c
JG
1396 if (!av_dict_get(ist->opts, "threads", NULL, 0))
1397 av_dict_set(&ist->opts, "threads", "auto", 0);
c854102d
NC
1398 if ((ret = avcodec_open2(ist->st->codec, codec, &ist->opts)) < 0) {
1399 if (ret == AVERROR_EXPERIMENTAL)
1400 abort_codec_experimental(codec, 0);
9a414d89 1401 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
630902a1 1402 ist->file_index, ist->st->index);
c854102d 1403 return ret;
630902a1 1404 }
630902a1
AK
1405 assert_avoptions(ist->opts);
1406 }
1407
23576b3f 1408 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 1409 ist->next_dts = AV_NOPTS_VALUE;
630902a1
AK
1410 init_pts_correction(&ist->pts_ctx);
1411 ist->is_start = 1;
1412
1413 return 0;
1414}
1415
3b266da3
AK
1416static InputStream *get_input_stream(OutputStream *ost)
1417{
1418 if (ost->source_index >= 0)
1419 return input_streams[ost->source_index];
1420
1421 if (ost->filter) {
1422 FilterGraph *fg = ost->filter->graph;
1423 int i;
1424
1425 for (i = 0; i < fg->nb_inputs; i++)
1426 if (fg->inputs[i]->ist->st->codec->codec_type == ost->st->codec->codec_type)
1427 return fg->inputs[i]->ist;
1428 }
1429
1430 return NULL;
1431}
1432
19ad5673
AK
1433static void parse_forced_key_frames(char *kf, OutputStream *ost,
1434 AVCodecContext *avctx)
1435{
1436 char *p;
1437 int n = 1, i;
1438 int64_t t;
1439
1440 for (p = kf; *p; p++)
1441 if (*p == ',')
1442 n++;
1443 ost->forced_kf_count = n;
1444 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1445 if (!ost->forced_kf_pts) {
1446 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
5e3f9979 1447 exit(1);
19ad5673 1448 }
4c679750
RD
1449
1450 p = kf;
19ad5673 1451 for (i = 0; i < n; i++) {
4c679750
RD
1452 char *next = strchr(p, ',');
1453
1454 if (next)
1455 *next++ = 0;
1456
19ad5673
AK
1457 t = parse_time_or_die("force_key_frames", p, 1);
1458 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
4c679750
RD
1459
1460 p = next;
19ad5673
AK
1461 }
1462}
1463
ea9367e9 1464static int transcode_init(void)
6291d7e4 1465{
2c474ddb 1466 int ret = 0, i, j, k;
1bb77e51 1467 AVFormatContext *oc;
a5fd7c60 1468 AVCodecContext *codec;
4288e031 1469 OutputStream *ost;
6291d7e4
AK
1470 InputStream *ist;
1471 char error[1024];
1472 int want_sdp = 1;
b0c9e8e0 1473
f4805328
AK
1474 /* init framerate emulation */
1475 for (i = 0; i < nb_input_files; i++) {
2e215267 1476 InputFile *ifile = input_files[i];
f4805328
AK
1477 if (ifile->rate_emu)
1478 for (j = 0; j < ifile->nb_streams; j++)
2e215267 1479 input_streams[j + ifile->ist_index]->start = av_gettime();
f4805328 1480 }
6291d7e4
AK
1481
1482 /* output stream init */
03f30c83 1483 for (i = 0; i < nb_output_files; i++) {
2e215267 1484 oc = output_files[i]->ctx;
1bb77e51
AK
1485 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
1486 av_dump_format(oc, i, oc->filename, 1);
e3245b26 1487 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
eaf2d37a 1488 return AVERROR(EINVAL);
6291d7e4 1489 }
6291d7e4
AK
1490 }
1491
3b266da3
AK
1492 /* init complex filtergraphs */
1493 for (i = 0; i < nb_filtergraphs; i++)
1494 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
1495 return ret;
1496
6291d7e4 1497 /* for each output stream, we compute the right encoding parameters */
4288e031 1498 for (i = 0; i < nb_output_streams; i++) {
a5fd7c60 1499 AVCodecContext *icodec = NULL;
2e215267
AK
1500 ost = output_streams[i];
1501 oc = output_files[ost->file_index]->ctx;
3b266da3 1502 ist = get_input_stream(ost);
6291d7e4 1503
4dbc6cee
AK
1504 if (ost->attachment_filename)
1505 continue;
1506
03f30c83 1507 codec = ost->st->codec;
6291d7e4 1508
3b266da3
AK
1509 if (ist) {
1510 icodec = ist->st->codec;
1511
1512 ost->st->disposition = ist->st->disposition;
1513 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
1514 codec->chroma_sample_location = icodec->chroma_sample_location;
1515 }
6291d7e4 1516
3d813e4c 1517 if (ost->stream_copy) {
8c4022ac
AK
1518 uint64_t extra_size;
1519
1520 av_assert0(ist && !ost->filter);
1521
1522 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
6291d7e4 1523
e6d2b737 1524 if (extra_size > INT_MAX) {
eaf2d37a 1525 return AVERROR(EINVAL);
e6d2b737 1526 }
6291d7e4
AK
1527
1528 /* if stream_copy is selected, no need to decode or encode */
03f30c83 1529 codec->codec_id = icodec->codec_id;
6291d7e4
AK
1530 codec->codec_type = icodec->codec_type;
1531
03f30c83
AK
1532 if (!codec->codec_tag) {
1533 if (!oc->oformat->codec_tag ||
1534 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
1535 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
6291d7e4
AK
1536 codec->codec_tag = icodec->codec_tag;
1537 }
1538
03f30c83 1539 codec->bit_rate = icodec->bit_rate;
6291d7e4
AK
1540 codec->rc_max_rate = icodec->rc_max_rate;
1541 codec->rc_buffer_size = icodec->rc_buffer_size;
4bf3c8f2 1542 codec->field_order = icodec->field_order;
03f30c83 1543 codec->extradata = av_mallocz(extra_size);
e6d2b737 1544 if (!codec->extradata) {
eaf2d37a 1545 return AVERROR(ENOMEM);
e6d2b737 1546 }
6291d7e4 1547 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
03f30c83 1548 codec->extradata_size = icodec->extradata_size;
7bb3e625 1549 if (!copy_tb) {
03f30c83 1550 codec->time_base = icodec->time_base;
6291d7e4
AK
1551 codec->time_base.num *= icodec->ticks_per_frame;
1552 av_reduce(&codec->time_base.num, &codec->time_base.den,
1553 codec->time_base.num, codec->time_base.den, INT_MAX);
03f30c83 1554 } else
6291d7e4 1555 codec->time_base = ist->st->time_base;
03f30c83 1556
7636c8c6 1557 switch (codec->codec_type) {
6291d7e4 1558 case AVMEDIA_TYPE_AUDIO:
7636c8c6 1559 if (audio_volume != 256) {
e3245b26 1560 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
5e3f9979 1561 exit(1);
6291d7e4 1562 }
03f30c83
AK
1563 codec->channel_layout = icodec->channel_layout;
1564 codec->sample_rate = icodec->sample_rate;
1565 codec->channels = icodec->channels;
1566 codec->frame_size = icodec->frame_size;
6291d7e4 1567 codec->audio_service_type = icodec->audio_service_type;
03f30c83 1568 codec->block_align = icodec->block_align;
6291d7e4
AK
1569 break;
1570 case AVMEDIA_TYPE_VIDEO:
03f30c83
AK
1571 codec->pix_fmt = icodec->pix_fmt;
1572 codec->width = icodec->width;
1573 codec->height = icodec->height;
1574 codec->has_b_frames = icodec->has_b_frames;
6291d7e4 1575 if (!codec->sample_aspect_ratio.num) {
03f30c83 1576 codec->sample_aspect_ratio =
6291d7e4
AK
1577 ost->st->sample_aspect_ratio =
1578 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
1579 ist->st->codec->sample_aspect_ratio.num ?
1580 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
1581 }
1582 break;
1583 case AVMEDIA_TYPE_SUBTITLE:
03f30c83 1584 codec->width = icodec->width;
6291d7e4
AK
1585 codec->height = icodec->height;
1586 break;
1587 case AVMEDIA_TYPE_DATA:
3ccd1580 1588 case AVMEDIA_TYPE_ATTACHMENT:
6291d7e4
AK
1589 break;
1590 default:
1591 abort();
1592 }
1593 } else {
2994913d
AK
1594 if (!ost->enc) {
1595 /* should only happen when a default codec is not present. */
1596 snprintf(error, sizeof(error), "Automatic encoder selection "
1597 "failed for output stream #%d:%d. Default encoder for "
1598 "format %s is probably disabled. Please choose an "
1599 "encoder manually.\n", ost->file_index, ost->index,
1600 oc->oformat->name);
1601 ret = AVERROR(EINVAL);
1602 goto dump_format;
1603 }
03f30c83 1604
3b266da3
AK
1605 if (ist)
1606 ist->decoding_needed = 1;
11fdb7e1 1607 ost->encoding_needed = 1;
03f30c83 1608
74b961db
AK
1609 /*
1610 * We want CFR output if and only if one of those is true:
1611 * 1) user specified output framerate with -r
1612 * 2) user specified -vsync cfr
1613 * 3) output format is CFR and the user didn't force vsync to
1614 * something else than CFR
1615 *
1616 * in such a case, set ost->frame_rate
1617 */
1618 if (codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1619 !ost->frame_rate.num && ist &&
1620 (video_sync_method == VSYNC_CFR ||
1621 (video_sync_method == VSYNC_AUTO &&
1622 !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
44b0b85f
AK
1623 ost->frame_rate = ist->framerate.num ? ist->framerate :
1624 ist->st->avg_frame_rate.num ?
1625 ist->st->avg_frame_rate :
1626 (AVRational){25, 1};
1627
74b961db
AK
1628 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
1629 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
1630 ost->frame_rate = ost->enc->supported_framerates[idx];
1631 }
1632 }
1633
369cb092
AK
1634 if (!ost->filter &&
1635 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
1636 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
3b266da3
AK
1637 FilterGraph *fg;
1638 fg = init_simple_filtergraph(ist, ost);
8daf21d5 1639 if (configure_filtergraph(fg)) {
3b266da3
AK
1640 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
1641 exit(1);
1642 }
369cb092 1643 }
3b266da3 1644
369cb092
AK
1645 switch (codec->codec_type) {
1646 case AVMEDIA_TYPE_AUDIO:
1647 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
1648 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
1649 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
1650 codec->channels = av_get_channel_layout_nb_channels(codec->channel_layout);
1651 codec->time_base = (AVRational){ 1, codec->sample_rate };
1652 break;
1653 case AVMEDIA_TYPE_VIDEO:
74b961db 1654 codec->time_base = ost->filter->filter->inputs[0]->time_base;
6291d7e4 1655
3b266da3
AK
1656 codec->width = ost->filter->filter->inputs[0]->w;
1657 codec->height = ost->filter->filter->inputs[0]->h;
1658 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
1659 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
1660 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
1661 ost->filter->filter->inputs[0]->sample_aspect_ratio;
1662 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
b7327887 1663
a5fd7c60
AK
1664 if (icodec &&
1665 (codec->width != icodec->width ||
1666 codec->height != icodec->height ||
1667 codec->pix_fmt != icodec->pix_fmt)) {
b7327887
AK
1668 codec->bits_per_raw_sample = 0;
1669 }
1670
19ad5673
AK
1671 if (ost->forced_keyframes)
1672 parse_forced_key_frames(ost->forced_keyframes, ost,
1673 ost->st->codec);
6291d7e4
AK
1674 break;
1675 case AVMEDIA_TYPE_SUBTITLE:
c9af8326 1676 codec->time_base = (AVRational){1, 1000};
6291d7e4
AK
1677 break;
1678 default:
1679 abort();
1680 break;
1681 }
1682 /* two pass mode */
515901fa 1683 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
6291d7e4
AK
1684 char logfilename[1024];
1685 FILE *f;
1686
1687 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
bbcedade
AK
1688 ost->logfile_prefix ? ost->logfile_prefix :
1689 DEFAULT_PASS_LOGFILENAME_PREFIX,
6291d7e4 1690 i);
6e8be949
AK
1691 if (!strcmp(ost->enc->name, "libx264")) {
1692 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
1693 } else {
64334ddb
AK
1694 if (codec->flags & CODEC_FLAG_PASS1) {
1695 f = fopen(logfilename, "wb");
1696 if (!f) {
1697 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
1698 logfilename, strerror(errno));
5e3f9979 1699 exit(1);
64334ddb
AK
1700 }
1701 ost->logfile = f;
1702 } else {
1703 char *logbuffer;
1704 size_t logbuffer_size;
1705 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
1706 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
1707 logfilename);
5e3f9979 1708 exit(1);
64334ddb
AK
1709 }
1710 codec->stats_in = logbuffer;
6291d7e4 1711 }
6e8be949 1712 }
6291d7e4
AK
1713 }
1714 }
6291d7e4
AK
1715 }
1716
1717 /* open each encoder */
4288e031 1718 for (i = 0; i < nb_output_streams; i++) {
2e215267 1719 ost = output_streams[i];
6291d7e4 1720 if (ost->encoding_needed) {
03f30c83 1721 AVCodec *codec = ost->enc;
3b266da3 1722 AVCodecContext *dec = NULL;
3b266da3
AK
1723
1724 if ((ist = get_input_stream(ost)))
1725 dec = ist->st->codec;
1726 if (dec && dec->subtitle_header) {
6291d7e4
AK
1727 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
1728 if (!ost->st->codec->subtitle_header) {
1729 ret = AVERROR(ENOMEM);
1730 goto dump_format;
1731 }
1732 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
1733 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
1734 }
2473a45c
JG
1735 if (!av_dict_get(ost->opts, "threads", NULL, 0))
1736 av_dict_set(&ost->opts, "threads", "auto", 0);
c854102d
NC
1737 if ((ret = avcodec_open2(ost->st->codec, codec, &ost->opts)) < 0) {
1738 if (ret == AVERROR_EXPERIMENTAL)
1739 abort_codec_experimental(codec, 1);
9a414d89 1740 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 1741 ost->file_index, ost->index);
6291d7e4
AK
1742 goto dump_format;
1743 }
6291d7e4
AK
1744 assert_avoptions(ost->opts);
1745 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
1746 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
1747 "It takes bits/s as argument, not kbits/s\n");
1748 extra_size += ost->st->codec->extradata_size;
d242d80e
AK
1749
1750 if (ost->st->codec->me_threshold)
2e215267 1751 input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
df0229a7
MS
1752 } else {
1753 av_opt_set_dict(ost->st->codec, &ost->opts);
6291d7e4
AK
1754 }
1755 }
1756
630902a1
AK
1757 /* init input streams */
1758 for (i = 0; i < nb_input_streams; i++)
ea9367e9 1759 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
630902a1 1760 goto dump_format;
6291d7e4 1761
2c474ddb
AK
1762 /* discard unused programs */
1763 for (i = 0; i < nb_input_files; i++) {
2e215267 1764 InputFile *ifile = input_files[i];
2c474ddb
AK
1765 for (j = 0; j < ifile->ctx->nb_programs; j++) {
1766 AVProgram *p = ifile->ctx->programs[j];
1767 int discard = AVDISCARD_ALL;
1768
1769 for (k = 0; k < p->nb_stream_indexes; k++)
2e215267 1770 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2c474ddb
AK
1771 discard = AVDISCARD_DEFAULT;
1772 break;
1773 }
1774 p->discard = discard;
1775 }
1776 }
1777
6291d7e4 1778 /* open files and write file headers */
af70aa45 1779 for (i = 0; i < nb_output_files; i++) {
2e215267 1780 oc = output_files[i]->ctx;
1bb77e51 1781 oc->interrupt_callback = int_cb;
a1a6cdc2
MS
1782 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
1783 char errbuf[128];
1784 const char *errbuf_ptr = errbuf;
1785 if (av_strerror(ret, errbuf, sizeof(errbuf)) < 0)
1786 errbuf_ptr = strerror(AVUNERROR(ret));
1787 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?): %s", i, errbuf_ptr);
6291d7e4
AK
1788 ret = AVERROR(EINVAL);
1789 goto dump_format;
1790 }
2e215267 1791 assert_avoptions(output_files[i]->opts);
1bb77e51 1792 if (strcmp(oc->oformat->name, "rtp")) {
6291d7e4
AK
1793 want_sdp = 0;
1794 }
1795 }
1796
1797 dump_format:
1798 /* dump the file output parameters - cannot be done before in case
1799 of stream copy */
03f30c83 1800 for (i = 0; i < nb_output_files; i++) {
2e215267 1801 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
6291d7e4
AK
1802 }
1803
1804 /* dump the stream mapping */
e3245b26 1805 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3b266da3
AK
1806 for (i = 0; i < nb_input_streams; i++) {
1807 ist = input_streams[i];
1808
1809 for (j = 0; j < ist->nb_filters; j++) {
3b266da3
AK
1810 if (ist->filters[j]->graph->graph_desc) {
1811 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
1812 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
cf6c38c6 1813 ist->filters[j]->name);
3b266da3
AK
1814 if (nb_filtergraphs > 1)
1815 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
1816 av_log(NULL, AV_LOG_INFO, "\n");
1817 }
1818 }
1819 }
1820
e3245b26 1821 for (i = 0; i < nb_output_streams; i++) {
2e215267 1822 ost = output_streams[i];
4dbc6cee
AK
1823
1824 if (ost->attachment_filename) {
1825 /* an attached file */
1826 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
1827 ost->attachment_filename, ost->file_index, ost->index);
1828 continue;
1829 }
3b266da3
AK
1830
1831 if (ost->filter && ost->filter->graph->graph_desc) {
1832 /* output from a complex graph */
cf6c38c6 1833 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3b266da3
AK
1834 if (nb_filtergraphs > 1)
1835 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
1836
1837 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
1838 ost->index, ost->enc ? ost->enc->name : "?");
1839 continue;
1840 }
1841
9a414d89 1842 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2e215267
AK
1843 input_streams[ost->source_index]->file_index,
1844 input_streams[ost->source_index]->st->index,
e3245b26
AK
1845 ost->file_index,
1846 ost->index);
2e215267 1847 if (ost->sync_ist != input_streams[ost->source_index])
9a414d89 1848 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
e3245b26
AK
1849 ost->sync_ist->file_index,
1850 ost->sync_ist->st->index);
3d813e4c 1851 if (ost->stream_copy)
e3245b26
AK
1852 av_log(NULL, AV_LOG_INFO, " (copy)");
1853 else
2e215267
AK
1854 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
1855 input_streams[ost->source_index]->dec->name : "?",
e3245b26
AK
1856 ost->enc ? ost->enc->name : "?");
1857 av_log(NULL, AV_LOG_INFO, "\n");
6291d7e4
AK
1858 }
1859
1860 if (ret) {
e3245b26 1861 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
eaf2d37a 1862 return ret;
6291d7e4
AK
1863 }
1864
1865 if (want_sdp) {
ea9367e9 1866 print_sdp();
6291d7e4
AK
1867 }
1868
eaf2d37a
AC
1869 return 0;
1870}
1871
c1ef30a6 1872/* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
2f51ec2b
AK
1873static int need_output(void)
1874{
1875 int i;
1876
1877 for (i = 0; i < nb_output_streams; i++) {
1878 OutputStream *ost = output_streams[i];
1879 OutputFile *of = output_files[ost->file_index];
1880 AVFormatContext *os = output_files[ost->file_index]->ctx;
1881
57d24225 1882 if (ost->finished ||
2f51ec2b
AK
1883 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
1884 continue;
e58b75f7 1885 if (ost->frame_number >= ost->max_frames) {
2f51ec2b
AK
1886 int j;
1887 for (j = 0; j < of->ctx->nb_streams; j++)
57d24225 1888 output_streams[of->ost_index + j]->finished = 1;
2f51ec2b
AK
1889 continue;
1890 }
1891
1892 return 1;
1893 }
1894
1895 return 0;
1896}
1897
83916029 1898static InputFile *select_input_file(void)
a508e7a1 1899{
83916029 1900 InputFile *ifile = NULL;
a508e7a1 1901 int64_t ipts_min = INT64_MAX;
83916029 1902 int i;
a508e7a1
AK
1903
1904 for (i = 0; i < nb_input_streams; i++) {
1905 InputStream *ist = input_streams[i];
1906 int64_t ipts = ist->last_dts;
1907
0b26ef42 1908 if (ist->discard || input_files[ist->file_index]->eagain)
a508e7a1
AK
1909 continue;
1910 if (!input_files[ist->file_index]->eof_reached) {
1911 if (ipts < ipts_min) {
1912 ipts_min = ipts;
83916029 1913 ifile = input_files[ist->file_index];
a508e7a1
AK
1914 }
1915 }
1916 }
1917
83916029 1918 return ifile;
a508e7a1
AK
1919}
1920
47b812e9 1921#if HAVE_PTHREADS
5db5169e
AK
1922static void *input_thread(void *arg)
1923{
1924 InputFile *f = arg;
1925 int ret = 0;
1926
1927 while (!transcoding_finished && ret >= 0) {
1928 AVPacket pkt;
1929 ret = av_read_frame(f->ctx, &pkt);
1930
1931 if (ret == AVERROR(EAGAIN)) {
896bb0d7 1932 av_usleep(10000);
5db5169e
AK
1933 ret = 0;
1934 continue;
1935 } else if (ret < 0)
1936 break;
1937
1938 pthread_mutex_lock(&f->fifo_lock);
1939 while (!av_fifo_space(f->fifo))
1940 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
1941
1942 av_dup_packet(&pkt);
1943 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
1944
1945 pthread_mutex_unlock(&f->fifo_lock);
1946 }
1947
1948 f->finished = 1;
1949 return NULL;
1950}
1951
1952static void free_input_threads(void)
1953{
1954 int i;
1955
1956 if (nb_input_files == 1)
1957 return;
1958
1959 transcoding_finished = 1;
1960
1961 for (i = 0; i < nb_input_files; i++) {
1962 InputFile *f = input_files[i];
1963 AVPacket pkt;
1964
9034b0ed 1965 if (!f->fifo || f->joined)
5db5169e
AK
1966 continue;
1967
1968 pthread_mutex_lock(&f->fifo_lock);
1969 while (av_fifo_size(f->fifo)) {
1970 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
1971 av_free_packet(&pkt);
1972 }
1973 pthread_cond_signal(&f->fifo_cond);
1974 pthread_mutex_unlock(&f->fifo_lock);
1975
1976 pthread_join(f->thread, NULL);
1977 f->joined = 1;
1978
1979 while (av_fifo_size(f->fifo)) {
1980 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
1981 av_free_packet(&pkt);
1982 }
1983 av_fifo_free(f->fifo);
1984 }
1985}
1986
1987static int init_input_threads(void)
1988{
1989 int i, ret;
1990
1991 if (nb_input_files == 1)
1992 return 0;
1993
1994 for (i = 0; i < nb_input_files; i++) {
1995 InputFile *f = input_files[i];
1996
1997 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
1998 return AVERROR(ENOMEM);
1999
2000 pthread_mutex_init(&f->fifo_lock, NULL);
2001 pthread_cond_init (&f->fifo_cond, NULL);
2002
2003 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
2004 return AVERROR(ret);
2005 }
2006 return 0;
2007}
2008
2009static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
2010{
2011 int ret = 0;
2012
2013 pthread_mutex_lock(&f->fifo_lock);
2014
2015 if (av_fifo_size(f->fifo)) {
2016 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
2017 pthread_cond_signal(&f->fifo_cond);
2018 } else {
2019 if (f->finished)
2020 ret = AVERROR_EOF;
2021 else
2022 ret = AVERROR(EAGAIN);
2023 }
2024
2025 pthread_mutex_unlock(&f->fifo_lock);
2026
2027 return ret;
2028}
2029#endif
2030
2031static int get_input_packet(InputFile *f, AVPacket *pkt)
2032{
b4a5a292
AK
2033 if (f->rate_emu) {
2034 int i;
2035 for (i = 0; i < f->nb_streams; i++) {
2036 InputStream *ist = input_streams[f->ist_index + i];
2037 int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
2038 int64_t now = av_gettime() - ist->start;
2039 if (pts > now)
2040 return AVERROR(EAGAIN);
2041 }
2042 }
2043
47b812e9 2044#if HAVE_PTHREADS
5db5169e
AK
2045 if (nb_input_files > 1)
2046 return get_input_packet_mt(f, pkt);
2047#endif
2048 return av_read_frame(f->ctx, pkt);
2049}
2050
0b26ef42
AK
2051static int got_eagain(void)
2052{
2053 int i;
2054 for (i = 0; i < nb_input_files; i++)
2055 if (input_files[i]->eagain)
2056 return 1;
2057 return 0;
2058}
2059
2060static void reset_eagain(void)
2061{
2062 int i;
2063 for (i = 0; i < nb_input_files; i++)
2064 input_files[i]->eagain = 0;
2065}
2066
c1ef30a6 2067/*
0c00fd80
AK
2068 * Read one packet from an input file and send it for
2069 * - decoding -> lavfi (audio/video)
2070 * - decoding -> encoding -> muxing (subtitles)
2071 * - muxing (streamcopy)
2072 *
c1ef30a6 2073 * Return
0c00fd80
AK
2074 * - 0 -- one packet was read and processed
2075 * - AVERROR(EAGAIN) -- no packets were available for selected file,
2076 * this function should be called again
2077 * - AVERROR_EOF -- this function should not be called again
2078 */
2079static int process_input(void)
2080{
2081 InputFile *ifile;
2082 AVFormatContext *is;
2083 InputStream *ist;
2084 AVPacket pkt;
2085 int ret, i, j;
2086
2087 /* select the stream that we must read now */
2088 ifile = select_input_file();
2089 /* if none, if is finished */
2090 if (!ifile) {
2091 if (got_eagain()) {
2092 reset_eagain();
2093 av_usleep(10000);
2094 return AVERROR(EAGAIN);
2095 }
2096 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from.\n");
2097 return AVERROR_EOF;
2098 }
2099
2100 is = ifile->ctx;
2101 ret = get_input_packet(ifile, &pkt);
2102
2103 if (ret == AVERROR(EAGAIN)) {
2104 ifile->eagain = 1;
2105 return ret;
2106 }
2107 if (ret < 0) {
2108 if (ret != AVERROR_EOF) {
2109 print_error(is->filename, ret);
2110 if (exit_on_error)
5e3f9979 2111 exit(1);
0c00fd80
AK
2112 }
2113 ifile->eof_reached = 1;
2114
2115 for (i = 0; i < ifile->nb_streams; i++) {
2116 ist = input_streams[ifile->ist_index + i];
2117 if (ist->decoding_needed)
2118 output_packet(ist, NULL);
2119
2120 /* mark all outputs that don't go through lavfi as finished */
2121 for (j = 0; j < nb_output_streams; j++) {
2122 OutputStream *ost = output_streams[j];
2123
2124 if (ost->source_index == ifile->ist_index + i &&
2125 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
57d24225 2126 ost->finished= 1;
0c00fd80
AK
2127 }
2128 }
2129
3c0df905 2130 return AVERROR(EAGAIN);
0c00fd80
AK
2131 }
2132
2133 reset_eagain();
2134
2135 if (do_pkt_dump) {
2136 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2137 is->streams[pkt.stream_index]);
2138 }
2139 /* the following test is needed in case new streams appear
2140 dynamically in stream : we ignore them */
2141 if (pkt.stream_index >= ifile->nb_streams)
2142 goto discard_packet;
2143
2144 ist = input_streams[ifile->ist_index + pkt.stream_index];
2145 if (ist->discard)
2146 goto discard_packet;
2147
2148 if (pkt.dts != AV_NOPTS_VALUE)
2149 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2150 if (pkt.pts != AV_NOPTS_VALUE)
2151 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2152
2153 if (pkt.pts != AV_NOPTS_VALUE)
2154 pkt.pts *= ist->ts_scale;
2155 if (pkt.dts != AV_NOPTS_VALUE)
2156 pkt.dts *= ist->ts_scale;
2157
2158 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
2159 (is->iformat->flags & AVFMT_TS_DISCONT)) {
2160 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2161 int64_t delta = pkt_dts - ist->next_dts;
2162
2163 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
2164 ifile->ts_offset -= delta;
2165 av_log(NULL, AV_LOG_DEBUG,
2166 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2167 delta, ifile->ts_offset);
2168 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2169 if (pkt.pts != AV_NOPTS_VALUE)
2170 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2171 }
2172 }
2173
2174 ret = output_packet(ist, &pkt);
2175 if (ret < 0) {
2176 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
2177 ist->file_index, ist->st->index);
2178 if (exit_on_error)
5e3f9979 2179 exit(1);
0c00fd80
AK
2180 }
2181
2182discard_packet:
2183 av_free_packet(&pkt);
2184
2185 return 0;
2186}
2187
eaf2d37a
AC
2188/*
2189 * The following code is the main loop of the file converter
2190 */
ea9367e9 2191static int transcode(void)
eaf2d37a 2192{
0c00fd80
AK
2193 int ret, i, need_input = 1;
2194 AVFormatContext *os;
eaf2d37a
AC
2195 OutputStream *ost;
2196 InputStream *ist;
eaf2d37a
AC
2197 int64_t timer_start;
2198
ea9367e9 2199 ret = transcode_init();
eaf2d37a
AC
2200 if (ret < 0)
2201 goto fail;
2202
e3245b26 2203 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
6291d7e4
AK
2204 term_init();
2205
2206 timer_start = av_gettime();
2207
47b812e9 2208#if HAVE_PTHREADS
5db5169e
AK
2209 if ((ret = init_input_threads()) < 0)
2210 goto fail;
2211#endif
2212
c0fbf971 2213 while (!received_sigterm) {
3b266da3 2214 /* check if there's any stream where output is still needed */
2f51ec2b
AK
2215 if (!need_output()) {
2216 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3b266da3 2217 break;
2f51ec2b 2218 }
3b266da3 2219
0c00fd80
AK
2220 /* read and process one input packet if needed */
2221 if (need_input) {
2222 ret = process_input();
2223 if (ret == AVERROR_EOF)
2224 need_input = 0;
6291d7e4
AK
2225 }
2226
0c00fd80 2227 ret = poll_filters();
6291d7e4 2228 if (ret < 0) {
0c00fd80 2229 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
6291d7e4 2230 continue;
6291d7e4 2231
0c00fd80
AK
2232 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
2233 break;
6291d7e4
AK
2234 }
2235
6291d7e4 2236 /* dump report by using the output first video and audio streams */
ea9367e9 2237 print_report(0, timer_start);
6291d7e4 2238 }
47b812e9 2239#if HAVE_PTHREADS
5db5169e
AK
2240 free_input_threads();
2241#endif
6291d7e4
AK
2242
2243 /* at the end of stream, we must flush the decoder buffers */
2244 for (i = 0; i < nb_input_streams; i++) {
2e215267 2245 ist = input_streams[i];
9e8aae44 2246 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
ea9367e9 2247 output_packet(ist, NULL);
6291d7e4
AK
2248 }
2249 }
560f7774 2250 poll_filters();
ea9367e9 2251 flush_encoders();
6291d7e4
AK
2252
2253 term_exit();
2254
2255 /* write the trailer if needed and close file */
7636c8c6 2256 for (i = 0; i < nb_output_files; i++) {
2e215267 2257 os = output_files[i]->ctx;
6291d7e4
AK
2258 av_write_trailer(os);
2259 }
2260
2261 /* dump report by using the first video and audio streams */
ea9367e9 2262 print_report(1, timer_start);
6291d7e4
AK
2263
2264 /* close each encoder */
4288e031 2265 for (i = 0; i < nb_output_streams; i++) {
2e215267 2266 ost = output_streams[i];
6291d7e4
AK
2267 if (ost->encoding_needed) {
2268 av_freep(&ost->st->codec->stats_in);
2269 avcodec_close(ost->st->codec);
2270 }
6291d7e4
AK
2271 }
2272
2273 /* close each decoder */
2274 for (i = 0; i < nb_input_streams; i++) {
2e215267 2275 ist = input_streams[i];
6291d7e4
AK
2276 if (ist->decoding_needed) {
2277 avcodec_close(ist->st->codec);
2278 }
2279 }
2280
2281 /* finished ! */
2282 ret = 0;
2283
2284 fail:
47b812e9 2285#if HAVE_PTHREADS
5db5169e
AK
2286 free_input_threads();
2287#endif
6291d7e4 2288
4288e031
AK
2289 if (output_streams) {
2290 for (i = 0; i < nb_output_streams; i++) {
2e215267 2291 ost = output_streams[i];
6291d7e4 2292 if (ost) {
3d813e4c 2293 if (ost->stream_copy)
6291d7e4
AK
2294 av_freep(&ost->st->codec->extradata);
2295 if (ost->logfile) {
2296 fclose(ost->logfile);
2297 ost->logfile = NULL;
2298 }
6291d7e4 2299 av_freep(&ost->st->codec->subtitle_header);
6291d7e4 2300 av_free(ost->forced_kf_pts);
6291d7e4 2301 av_dict_free(&ost->opts);
5c7db097 2302 av_dict_free(&ost->resample_opts);
6291d7e4
AK
2303 }
2304 }
6291d7e4
AK
2305 }
2306 return ret;
2307}
2308
f5e66827 2309static int64_t getutime(void)
a2c0b830 2310{
f5e66827
AK
2311#if HAVE_GETRUSAGE
2312 struct rusage rusage;
a2c0b830 2313
f5e66827
AK
2314 getrusage(RUSAGE_SELF, &rusage);
2315 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2316#elif HAVE_GETPROCESSTIMES
2317 HANDLE proc;
2318 FILETIME c, e, k, u;
2319 proc = GetCurrentProcess();
2320 GetProcessTimes(proc, &c, &e, &k, &u);
2321 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
2322#else
2323 return av_gettime();
2324#endif
a2c0b830
AK
2325}
2326
f5e66827 2327static int64_t getmaxrss(void)
6291d7e4 2328{
f5e66827
AK
2329#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
2330 struct rusage rusage;
2331 getrusage(RUSAGE_SELF, &rusage);
2332 return (int64_t)rusage.ru_maxrss * 1024;
2333#elif HAVE_GETPROCESSMEMORYINFO
2334 HANDLE proc;
2335 PROCESS_MEMORY_COUNTERS memcounters;
2336 proc = GetCurrentProcess();
2337 memcounters.cb = sizeof(memcounters);
2338 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
2339 return memcounters.PeakPagefileUsage;
2340#else
6291d7e4 2341 return 0;
f5e66827 2342#endif
6291d7e4
AK
2343}
2344
6291d7e4
AK
2345int main(int argc, char **argv)
2346{
77bd1bc7 2347 int ret;
6291d7e4
AK
2348 int64_t ti;
2349
5e3f9979
DEP
2350 atexit(exit_program);
2351
6291d7e4 2352 av_log_set_flags(AV_LOG_SKIP_REPEATED);
182cbe43 2353 parse_loglevel(argc, argv, options);
6291d7e4
AK
2354
2355 avcodec_register_all();
2356#if CONFIG_AVDEVICE
2357 avdevice_register_all();
2358#endif
6291d7e4 2359 avfilter_register_all();
6291d7e4 2360 av_register_all();
776f2bb9 2361 avformat_network_init();
6291d7e4 2362
6291d7e4
AK
2363 show_banner();
2364
77bd1bc7
AK
2365 /* parse options and open all input/output files */
2366 ret = avconv_parse_options(argc, argv);
2367 if (ret < 0)
2368 exit(1);
6291d7e4 2369
7636c8c6 2370 if (nb_output_files <= 0 && nb_input_files == 0) {
6291d7e4 2371 show_usage();
e3245b26 2372 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
5e3f9979 2373 exit(1);
6291d7e4
AK
2374 }
2375
2376 /* file converter / grab */
2377 if (nb_output_files <= 0) {
2378 fprintf(stderr, "At least one output file must be specified\n");
5e3f9979 2379 exit(1);
6291d7e4
AK
2380 }
2381
6291d7e4 2382 ti = getutime();
ea9367e9 2383 if (transcode() < 0)
5e3f9979 2384 exit(1);
6291d7e4
AK
2385 ti = getutime() - ti;
2386 if (do_benchmark) {
2387 int maxrss = getmaxrss() / 1024;
2388 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
2389 }
2390
5e3f9979 2391 exit(0);
dad09ff9 2392 return 0;
6291d7e4 2393}