avconv: drop additional strerror fallback
[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;
274e134e 170 if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE) && s->pb)
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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;
1135a071
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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;
fd41cb43
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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)) {
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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
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351 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS) &&
352 ost->last_mux_dts != AV_NOPTS_VALUE &&
353 pkt->dts < ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT)) {
354 av_log(NULL, AV_LOG_WARNING, "Non-monotonous DTS in output stream "
355 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
356 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
357 if (exit_on_error) {
358 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
359 exit(1);
360 }
361 av_log(NULL, AV_LOG_WARNING, "changing to %"PRId64". This may result "
362 "in incorrect timestamps in the output file.\n",
363 ost->last_mux_dts + 1);
364 pkt->dts = ost->last_mux_dts + 1;
365 if (pkt->pts != AV_NOPTS_VALUE)
366 pkt->pts = FFMAX(pkt->pts, pkt->dts);
367 }
368 ost->last_mux_dts = pkt->dts;
369
61a09968 370 pkt->stream_index = ost->index;
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371 ret = av_interleaved_write_frame(s, pkt);
372 if (ret < 0) {
6291d7e4 373 print_error("av_interleaved_write_frame()", ret);
5e3f9979 374 exit(1);
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375 }
376}
377
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378static int check_recording_time(OutputStream *ost)
379{
2e215267 380 OutputFile *of = output_files[ost->file_index];
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381
382 if (of->recording_time != INT64_MAX &&
383 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
384 AV_TIME_BASE_Q) >= 0) {
57d24225 385 ost->finished = 1;
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386 return 0;
387 }
388 return 1;
389}
390
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391static void do_audio_out(AVFormatContext *s, OutputStream *ost,
392 AVFrame *frame)
ee458cb1
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393{
394 AVCodecContext *enc = ost->st->codec;
ee458cb1 395 AVPacket pkt;
369cb092 396 int got_packet = 0;
ee458cb1
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397
398 av_init_packet(&pkt);
399 pkt.data = NULL;
400 pkt.size = 0;
401
369cb092 402 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
9b9fc9ba 403 frame->pts = ost->sync_opts;
369cb092 404 ost->sync_opts = frame->pts + frame->nb_samples;
ee458cb1 405
ee458cb1
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406 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
407 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
5e3f9979 408 exit(1);
ee458cb1
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409 }
410
411 if (got_packet) {
ee458cb1
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412 if (pkt.pts != AV_NOPTS_VALUE)
413 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
a75bc764
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414 if (pkt.dts != AV_NOPTS_VALUE)
415 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
ee458cb1
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416 if (pkt.duration > 0)
417 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
418
419 write_frame(s, &pkt, ost);
420
421 audio_size += pkt.size;
422 }
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423}
424
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425static void do_subtitle_out(AVFormatContext *s,
426 OutputStream *ost,
427 InputStream *ist,
428 AVSubtitle *sub,
429 int64_t pts)
430{
431 static uint8_t *subtitle_out = NULL;
432 int subtitle_out_max_size = 1024 * 1024;
433 int subtitle_out_size, nb, i;
434 AVCodecContext *enc;
435 AVPacket pkt;
436
437 if (pts == AV_NOPTS_VALUE) {
e3245b26 438 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
6291d7e4 439 if (exit_on_error)
5e3f9979 440 exit(1);
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441 return;
442 }
443
444 enc = ost->st->codec;
445
446 if (!subtitle_out) {
447 subtitle_out = av_malloc(subtitle_out_max_size);
448 }
449
450 /* Note: DVB subtitle need one packet to draw them and one other
451 packet to clear them */
452 /* XXX: signal it in the codec context ? */
36ef5369 453 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
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454 nb = 2;
455 else
456 nb = 1;
457
7636c8c6 458 for (i = 0; i < nb; i++) {
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459 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
460 if (!check_recording_time(ost))
461 return;
462
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463 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
464 // start_display_time is required to be 0
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465 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
466 sub->end_display_time -= sub->start_display_time;
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467 sub->start_display_time = 0;
468 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
469 subtitle_out_max_size, sub);
470 if (subtitle_out_size < 0) {
e3245b26 471 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
5e3f9979 472 exit(1);
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473 }
474
475 av_init_packet(&pkt);
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476 pkt.data = subtitle_out;
477 pkt.size = subtitle_out_size;
7636c8c6 478 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
36ef5369 479 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
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480 /* XXX: the pts correction is handled here. Maybe handling
481 it in the codec would be better */
482 if (i == 0)
483 pkt.pts += 90 * sub->start_display_time;
484 else
485 pkt.pts += 90 * sub->end_display_time;
486 }
f15f02c2 487 write_frame(s, &pkt, ost);
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488 }
489}
490
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491static void do_video_out(AVFormatContext *s,
492 OutputStream *ost,
87ef060c 493 AVFrame *in_picture,
fb722a90 494 int *frame_size)
87ef060c 495{
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496 int ret, format_video_sync;
497 AVPacket pkt;
498 AVCodecContext *enc = ost->st->codec;
87ef060c
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499
500 *frame_size = 0;
501
553735f5 502 format_video_sync = video_sync_method;
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503 if (format_video_sync == VSYNC_AUTO)
504 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
505 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
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506 if (format_video_sync != VSYNC_PASSTHROUGH &&
507 ost->frame_number &&
508 in_picture->pts != AV_NOPTS_VALUE &&
509 in_picture->pts < ost->sync_opts) {
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510 nb_frames_drop++;
511 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
87ef060c 512 return;
d43040e2 513 }
87ef060c 514
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515 if (in_picture->pts == AV_NOPTS_VALUE)
516 in_picture->pts = ost->sync_opts;
517 ost->sync_opts = in_picture->pts;
518
519
1270e12e 520 if (!ost->frame_number)
74b961db 521 ost->first_pts = in_picture->pts;
1270e12e 522
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523 av_init_packet(&pkt);
524 pkt.data = NULL;
525 pkt.size = 0;
6291d7e4 526
a83c0da5 527 if (ost->frame_number >= ost->max_frames)
39885a4b 528 return;
1270e12e 529
39885a4b 530 if (s->oformat->flags & AVFMT_RAWPICTURE &&
36ef5369 531 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
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532 /* raw pictures are written as AVPicture structure to
533 avoid any copies. We support temporarily the older
534 method. */
535 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
536 enc->coded_frame->top_field_first = in_picture->top_field_first;
537 pkt.data = (uint8_t *)in_picture;
538 pkt.size = sizeof(AVPicture);
539 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
540 pkt.flags |= AV_PKT_FLAG_KEY;
6291d7e4 541
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542 write_frame(s, &pkt, ost);
543 } else {
544 int got_packet;
6291d7e4 545
9b2dc295
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546 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
547 ost->top_field_first >= 0)
548 in_picture->top_field_first = !!ost->top_field_first;
549
550 in_picture->quality = ost->st->codec->global_quality;
39885a4b 551 if (!enc->me_threshold)
9b2dc295 552 in_picture->pict_type = 0;
39885a4b 553 if (ost->forced_kf_index < ost->forced_kf_count &&
9b2dc295
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554 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
555 in_picture->pict_type = AV_PICTURE_TYPE_I;
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556 ost->forced_kf_index++;
557 }
9b2dc295 558 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
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559 if (ret < 0) {
560 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
5e3f9979 561 exit(1);
39885a4b 562 }
6291d7e4 563
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AK
564 if (got_packet) {
565 if (pkt.pts != AV_NOPTS_VALUE)
566 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
567 if (pkt.dts != AV_NOPTS_VALUE)
568 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
6291d7e4 569
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570 write_frame(s, &pkt, ost);
571 *frame_size = pkt.size;
572 video_size += pkt.size;
324fbadf 573
39885a4b
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574 /* if two pass, output log */
575 if (ost->logfile && enc->stats_out) {
576 fprintf(ost->logfile, "%s", enc->stats_out);
6291d7e4
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577 }
578 }
39885a4b
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579 }
580 ost->sync_opts++;
581 /*
582 * For video, number of frames in == number of packets out.
583 * But there may be reordering, so we can't throw away frames on encoder
584 * flush, we need to limit them here, before they go into encoder.
585 */
586 ost->frame_number++;
6291d7e4
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587}
588
7636c8c6
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589static double psnr(double d)
590{
591 return -10.0 * log(d) / log(10.0);
6291d7e4
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592}
593
70478746 594static void do_video_stats(OutputStream *ost, int frame_size)
6291d7e4
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595{
596 AVCodecContext *enc;
597 int frame_number;
598 double ti1, bitrate, avg_bitrate;
599
600 /* this is executed just the first time do_video_stats is called */
601 if (!vstats_file) {
602 vstats_file = fopen(vstats_filename, "w");
603 if (!vstats_file) {
604 perror("fopen");
5e3f9979 605 exit(1);
6291d7e4
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606 }
607 }
608
609 enc = ost->st->codec;
610 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
611 frame_number = ost->frame_number;
7636c8c6 612 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
6291d7e4 613 if (enc->flags&CODEC_FLAG_PSNR)
7636c8c6 614 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
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615
616 fprintf(vstats_file,"f_size= %6d ", frame_size);
617 /* compute pts value */
618 ti1 = ost->sync_opts * av_q2d(enc->time_base);
619 if (ti1 < 0.01)
620 ti1 = 0.01;
621
7636c8c6 622 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
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623 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
624 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
7636c8c6 625 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
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626 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
627 }
628}
629
c1ef30a6 630/*
a4f50110
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631 * Read one frame for lavfi output for ost and encode it.
632 */
633static int poll_filter(OutputStream *ost)
560f7774 634{
a4f50110 635 OutputFile *of = output_files[ost->file_index];
560f7774 636 AVFrame *filtered_frame = NULL;
a4f50110
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637 int frame_size, ret;
638
639 if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
640 return AVERROR(ENOMEM);
641 } else
642 avcodec_get_frame_defaults(ost->filtered_frame);
643 filtered_frame = ost->filtered_frame;
644
645 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
646 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
9b2dc295 647 ret = av_buffersink_get_samples(ost->filter->filter, filtered_frame,
a4f50110
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648 ost->st->codec->frame_size);
649 else
9b2dc295 650 ret = av_buffersink_get_frame(ost->filter->filter, filtered_frame);
369cb092 651
a4f50110
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652 if (ret < 0)
653 return ret;
560f7774 654
9b2dc295
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655 if (filtered_frame->pts != AV_NOPTS_VALUE) {
656 filtered_frame->pts = av_rescale_q(filtered_frame->pts,
a4f50110
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657 ost->filter->filter->inputs[0]->time_base,
658 ost->st->codec->time_base) -
659 av_rescale_q(of->start_time,
660 AV_TIME_BASE_Q,
661 ost->st->codec->time_base);
560f7774 662 }
a4f50110
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663
664 switch (ost->filter->filter->inputs[0]->type) {
665 case AVMEDIA_TYPE_VIDEO:
666 if (!ost->frame_aspect_ratio)
9b2dc295 667 ost->st->codec->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
a4f50110 668
fb722a90 669 do_video_out(of->ctx, ost, filtered_frame, &frame_size);
a4f50110 670 if (vstats_filename && frame_size)
70478746 671 do_video_stats(ost, frame_size);
a4f50110
AK
672 break;
673 case AVMEDIA_TYPE_AUDIO:
674 do_audio_out(of->ctx, ost, filtered_frame);
675 break;
676 default:
677 // TODO support subtitle filters
678 av_assert0(0);
679 }
680
9b2dc295 681 av_frame_unref(filtered_frame);
a4f50110 682
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683 return 0;
684}
685
c1ef30a6 686/*
a4f50110
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687 * Read as many frames from possible from lavfi and encode them.
688 *
689 * Always read from the active stream with the lowest timestamp. If no frames
690 * are available for it then return EAGAIN and wait for more input. This way we
691 * can use lavfi sources that generate unlimited amount of frames without memory
692 * usage exploding.
693 */
694static int poll_filters(void)
695{
3c0df905 696 int i, j, ret = 0;
a4f50110
AK
697
698 while (ret >= 0 && !received_sigterm) {
699 OutputStream *ost = NULL;
700 int64_t min_pts = INT64_MAX;
701
702 /* choose output stream with the lowest timestamp */
703 for (i = 0; i < nb_output_streams; i++) {
704 int64_t pts = output_streams[i]->sync_opts;
705
57d24225 706 if (!output_streams[i]->filter || output_streams[i]->finished)
a4f50110
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707 continue;
708
709 pts = av_rescale_q(pts, output_streams[i]->st->codec->time_base,
710 AV_TIME_BASE_Q);
711 if (pts < min_pts) {
712 min_pts = pts;
713 ost = output_streams[i];
714 }
715 }
716
717 if (!ost)
718 break;
719
720 ret = poll_filter(ost);
721
722 if (ret == AVERROR_EOF) {
3c0df905
AK
723 OutputFile *of = output_files[ost->file_index];
724
57d24225 725 ost->finished = 1;
a4f50110 726
3c0df905
AK
727 if (of->shortest) {
728 for (j = 0; j < of->ctx->nb_streams; j++)
729 output_streams[of->ost_index + j]->finished = 1;
730 }
a4f50110
AK
731
732 ret = 0;
733 } else if (ret == AVERROR(EAGAIN))
734 return 0;
735 }
736
737 return ret;
738}
739
ea9367e9 740static void print_report(int is_last_report, int64_t timer_start)
6291d7e4
AK
741{
742 char buf[1024];
743 OutputStream *ost;
744 AVFormatContext *oc;
745 int64_t total_size;
746 AVCodecContext *enc;
747 int frame_number, vid, i;
748 double bitrate, ti1, pts;
749 static int64_t last_time = -1;
750 static int qp_histogram[52];
751
3460dd8a
AK
752 if (!print_stats && !is_last_report)
753 return;
754
6291d7e4
AK
755 if (!is_last_report) {
756 int64_t cur_time;
757 /* display the report every 0.5 seconds */
758 cur_time = av_gettime();
759 if (last_time == -1) {
760 last_time = cur_time;
761 return;
762 }
763 if ((cur_time - last_time) < 500000)
764 return;
765 last_time = cur_time;
766 }
767
768
2e215267 769 oc = output_files[0]->ctx;
6291d7e4
AK
770
771 total_size = avio_size(oc->pb);
1b891d17 772 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
7636c8c6 773 total_size = avio_tell(oc->pb);
1b891d17
JG
774 if (total_size < 0) {
775 char errbuf[128];
776 av_strerror(total_size, errbuf, sizeof(errbuf));
777 av_log(NULL, AV_LOG_VERBOSE, "Bitrate not available, "
778 "avio_tell() failed: %s\n", errbuf);
779 total_size = 0;
780 }
6291d7e4
AK
781
782 buf[0] = '\0';
783 ti1 = 1e10;
784 vid = 0;
ea9367e9 785 for (i = 0; i < nb_output_streams; i++) {
6291d7e4 786 float q = -1;
2e215267 787 ost = output_streams[i];
6291d7e4 788 enc = ost->st->codec;
3d813e4c 789 if (!ost->stream_copy && enc->coded_frame)
7636c8c6 790 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
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791 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
792 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
793 }
794 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
7636c8c6 795 float t = (av_gettime() - timer_start) / 1000000.0;
6291d7e4
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796
797 frame_number = ost->frame_number;
798 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
7636c8c6
AD
799 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
800 if (is_last_report)
6291d7e4 801 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
7636c8c6 802 if (qp_hist) {
6291d7e4
AK
803 int j;
804 int qp = lrintf(q);
7636c8c6 805 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
6291d7e4 806 qp_histogram[qp]++;
7636c8c6 807 for (j = 0; j < 32; j++)
d752509b 808 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
6291d7e4 809 }
7636c8c6 810 if (enc->flags&CODEC_FLAG_PSNR) {
6291d7e4 811 int j;
7636c8c6
AD
812 double error, error_sum = 0;
813 double scale, scale_sum = 0;
814 char type[3] = { 'Y','U','V' };
6291d7e4 815 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
7636c8c6
AD
816 for (j = 0; j < 3; j++) {
817 if (is_last_report) {
818 error = enc->error[j];
819 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
820 } else {
821 error = enc->coded_frame->error[j];
822 scale = enc->width * enc->height * 255.0 * 255.0;
6291d7e4 823 }
7636c8c6
AD
824 if (j)
825 scale /= 4;
6291d7e4
AK
826 error_sum += error;
827 scale_sum += scale;
7636c8c6 828 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
6291d7e4 829 }
7636c8c6 830 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
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AK
831 }
832 vid = 1;
833 }
834 /* compute min output value */
835 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
836 if ((pts < ti1) && (pts > 0))
837 ti1 = pts;
838 }
839 if (ti1 < 0.01)
840 ti1 = 0.01;
841
e3245b26 842 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
6291d7e4 843
e3245b26 844 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
6291d7e4
AK
845 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
846 (double)total_size / 1024, ti1, bitrate);
847
e3245b26
AK
848 if (nb_frames_dup || nb_frames_drop)
849 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
850 nb_frames_dup, nb_frames_drop);
6291d7e4 851
f5646a32 852 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
6291d7e4 853
e3245b26 854 fflush(stderr);
6291d7e4 855
e3245b26 856 if (is_last_report) {
6291d7e4 857 int64_t raw= audio_size + video_size + extra_size;
e3245b26
AK
858 av_log(NULL, AV_LOG_INFO, "\n");
859 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
7636c8c6
AD
860 video_size / 1024.0,
861 audio_size / 1024.0,
862 extra_size / 1024.0,
863 100.0 * (total_size - raw) / raw
6291d7e4
AK
864 );
865 }
866}
867
ea9367e9 868static void flush_encoders(void)
4a4ce2e7
AK
869{
870 int i, ret;
871
ea9367e9 872 for (i = 0; i < nb_output_streams; i++) {
2e215267 873 OutputStream *ost = output_streams[i];
6f1c66d5 874 AVCodecContext *enc = ost->st->codec;
2e215267 875 AVFormatContext *os = output_files[ost->file_index]->ctx;
ee458cb1 876 int stop_encoding = 0;
6f1c66d5 877
b62b5cb6 878 if (!ost->encoding_needed)
6f1c66d5
AK
879 continue;
880
7636c8c6 881 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
6f1c66d5 882 continue;
36ef5369 883 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
6f1c66d5
AK
884 continue;
885
7636c8c6 886 for (;;) {
369cb092
AK
887 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
888 const char *desc;
889 int64_t *size;
6f1c66d5
AK
890
891 switch (ost->st->codec->codec_type) {
892 case AVMEDIA_TYPE_AUDIO:
369cb092
AK
893 encode = avcodec_encode_audio2;
894 desc = "Audio";
895 size = &audio_size;
6f1c66d5
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896 break;
897 case AVMEDIA_TYPE_VIDEO:
369cb092
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898 encode = avcodec_encode_video2;
899 desc = "Video";
900 size = &video_size;
901 break;
902 default:
903 stop_encoding = 1;
904 }
905
906 if (encode) {
907 AVPacket pkt;
908 int got_packet;
909 av_init_packet(&pkt);
910 pkt.data = NULL;
911 pkt.size = 0;
912
913 ret = encode(enc, &pkt, NULL, &got_packet);
6f1c66d5 914 if (ret < 0) {
369cb092 915 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
5e3f9979 916 exit(1);
6f1c66d5 917 }
369cb092 918 *size += ret;
6f1c66d5
AK
919 if (ost->logfile && enc->stats_out) {
920 fprintf(ost->logfile, "%s", enc->stats_out);
921 }
8e37038a 922 if (!got_packet) {
ee458cb1
JR
923 stop_encoding = 1;
924 break;
925 }
8e37038a
AK
926 if (pkt.pts != AV_NOPTS_VALUE)
927 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
928 if (pkt.dts != AV_NOPTS_VALUE)
929 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
3ba41640
JR
930 if (pkt.duration > 0)
931 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
ee458cb1 932 write_frame(os, &pkt, ost);
4a4ce2e7 933 }
369cb092 934
ee458cb1 935 if (stop_encoding)
6f1c66d5 936 break;
4a4ce2e7
AK
937 }
938 }
939}
940
7204ec1a
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941/*
942 * Check whether a packet from ist should be written into ost at this time
943 */
944static int check_output_constraints(InputStream *ist, OutputStream *ost)
945{
2e215267
AK
946 OutputFile *of = output_files[ost->file_index];
947 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
7204ec1a
AK
948
949 if (ost->source_index != ist_index)
950 return 0;
951
23576b3f 952 if (of->start_time && ist->last_dts < of->start_time)
7204ec1a
AK
953 return 0;
954
7204ec1a
AK
955 return 1;
956}
957
958static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
959{
2e215267 960 OutputFile *of = output_files[ost->file_index];
7204ec1a
AK
961 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
962 AVPacket opkt;
963
964 av_init_packet(&opkt);
965
966 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
967 !ost->copy_initial_nonkeyframes)
968 return;
969
1270e12e 970 if (of->recording_time != INT64_MAX &&
23576b3f 971 ist->last_dts >= of->recording_time + of->start_time) {
57d24225 972 ost->finished = 1;
1270e12e
AK
973 return;
974 }
975
7204ec1a
AK
976 /* force the input stream PTS */
977 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
978 audio_size += pkt->size;
979 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
980 video_size += pkt->size;
981 ost->sync_opts++;
982 }
983
7204ec1a
AK
984 if (pkt->pts != AV_NOPTS_VALUE)
985 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
986 else
987 opkt.pts = AV_NOPTS_VALUE;
988
989 if (pkt->dts == AV_NOPTS_VALUE)
23576b3f 990 opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base);
7204ec1a
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991 else
992 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
993 opkt.dts -= ost_tb_start_time;
994
995 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
996 opkt.flags = pkt->flags;
997
7636c8c6 998 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
36ef5369
AK
999 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
1000 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1001 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1002 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
7204ec1a 1003 ) {
9b2dc295
AK
1004 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY)) {
1005 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1006 if (!opkt.buf)
1007 exit(1);
1008 }
7204ec1a
AK
1009 } else {
1010 opkt.data = pkt->data;
1011 opkt.size = pkt->size;
1012 }
1013
f15f02c2 1014 write_frame(of->ctx, &opkt, ost);
7204ec1a 1015 ost->st->codec->frame_number++;
7204ec1a
AK
1016}
1017
f5e66827 1018int guess_input_channel_layout(InputStream *ist)
369cb092
AK
1019{
1020 AVCodecContext *dec = ist->st->codec;
1021
1022 if (!dec->channel_layout) {
1023 char layout_name[256];
1024
1025 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1026 if (!dec->channel_layout)
1027 return 0;
1028 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1029 dec->channels, dec->channel_layout);
1030 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1031 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1032 }
1033 return 1;
1034}
1035
0629f612 1036static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
ded28ba3 1037{
9b2dc295 1038 AVFrame *decoded_frame, *f;
d1241ff3 1039 AVCodecContext *avctx = ist->st->codec;
9b2dc295 1040 int i, ret, err = 0, resample_changed;
ded28ba3 1041
9179f27c 1042 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
d1241ff3 1043 return AVERROR(ENOMEM);
9b2dc295
AK
1044 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1045 return AVERROR(ENOMEM);
9179f27c 1046 decoded_frame = ist->decoded_frame;
ded28ba3 1047
d1241ff3 1048 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
f154ef1a
AK
1049 if (!*got_output || ret < 0) {
1050 if (!pkt->size) {
369cb092 1051 for (i = 0; i < ist->nb_filters; i++)
9b2dc295 1052 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
f154ef1a 1053 }
af8ad892 1054 return ret;
ded28ba3
AK
1055 }
1056
d1241ff3
JR
1057 /* if the decoder provides a pts, use it instead of the last packet pts.
1058 the decoder could be delaying output by a packet or more. */
1059 if (decoded_frame->pts != AV_NOPTS_VALUE)
3101bb66 1060 ist->next_dts = decoded_frame->pts;
369cb092
AK
1061 else if (pkt->pts != AV_NOPTS_VALUE) {
1062 decoded_frame->pts = pkt->pts;
1063 pkt->pts = AV_NOPTS_VALUE;
1064 }
ded28ba3 1065
369cb092
AK
1066 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1067 ist->resample_channels != avctx->channels ||
1068 ist->resample_channel_layout != decoded_frame->channel_layout ||
1069 ist->resample_sample_rate != decoded_frame->sample_rate;
1070 if (resample_changed) {
1071 char layout1[64], layout2[64];
ded28ba3 1072
369cb092
AK
1073 if (!guess_input_channel_layout(ist)) {
1074 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1075 "layout for Input Stream #%d.%d\n", ist->file_index,
1076 ist->st->index);
5e3f9979 1077 exit(1);
369cb092
AK
1078 }
1079 decoded_frame->channel_layout = avctx->channel_layout;
1080
1081 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1082 ist->resample_channel_layout);
1083 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1084 decoded_frame->channel_layout);
1085
1086 av_log(NULL, AV_LOG_INFO,
1087 "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",
1088 ist->file_index, ist->st->index,
1089 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1090 ist->resample_channels, layout1,
1091 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1092 avctx->channels, layout2);
1093
1094 ist->resample_sample_fmt = decoded_frame->format;
1095 ist->resample_sample_rate = decoded_frame->sample_rate;
1096 ist->resample_channel_layout = decoded_frame->channel_layout;
1097 ist->resample_channels = avctx->channels;
1098
1099 for (i = 0; i < nb_filtergraphs; i++)
1100 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1101 configure_filtergraph(filtergraphs[i]) < 0) {
1102 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
5e3f9979 1103 exit(1);
369cb092 1104 }
ded28ba3 1105 }
110d2af2 1106
715129cd
MS
1107 if (decoded_frame->pts != AV_NOPTS_VALUE)
1108 decoded_frame->pts = av_rescale_q(decoded_frame->pts,
1109 ist->st->time_base,
1110 (AVRational){1, ist->st->codec->sample_rate});
9b2dc295
AK
1111 for (i = 0; i < ist->nb_filters; i++) {
1112 if (i < ist->nb_filters - 1) {
1113 f = ist->filter_frame;
1114 err = av_frame_ref(f, decoded_frame);
1115 if (err < 0)
1116 break;
1117 } else
1118 f = decoded_frame;
369cb092 1119
9b2dc295
AK
1120 err = av_buffersrc_add_frame(ist->filters[i]->filter, f);
1121 if (err < 0)
1122 break;
1123 }
1124
1125 av_frame_unref(ist->filter_frame);
1126 av_frame_unref(decoded_frame);
1127 return err < 0 ? err : ret;
ded28ba3
AK
1128}
1129
0629f612 1130static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
45d4b66f 1131{
9b2dc295 1132 AVFrame *decoded_frame, *f;
45d4b66f 1133 void *buffer_to_free = NULL;
9b2dc295 1134 int i, ret = 0, err = 0, resample_changed;
45d4b66f 1135
9b2dc295
AK
1136 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1137 return AVERROR(ENOMEM);
1138 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
45d4b66f 1139 return AVERROR(ENOMEM);
9179f27c 1140 decoded_frame = ist->decoded_frame;
45d4b66f
AK
1141
1142 ret = avcodec_decode_video2(ist->st->codec,
1143 decoded_frame, got_output, pkt);
f154ef1a
AK
1144 if (!*got_output || ret < 0) {
1145 if (!pkt->size) {
89605e4a 1146 for (i = 0; i < ist->nb_filters; i++)
9b2dc295 1147 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
f154ef1a 1148 }
af8ad892 1149 return ret;
45d4b66f 1150 }
f154ef1a 1151
b34856a1
AK
1152 decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1153 decoded_frame->pkt_dts);
45d4b66f 1154 pkt->size = 0;
45d4b66f 1155
695ec04e
AK
1156 if (ist->st->sample_aspect_ratio.num)
1157 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1158
e77c8662
AK
1159 resample_changed = ist->resample_width != decoded_frame->width ||
1160 ist->resample_height != decoded_frame->height ||
1161 ist->resample_pix_fmt != decoded_frame->format;
1162 if (resample_changed) {
1163 av_log(NULL, AV_LOG_INFO,
1164 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1165 ist->file_index, ist->st->index,
1166 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1167 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1168
2f34021d
JG
1169 ret = poll_filters();
1170 if (ret < 0 && (ret != AVERROR_EOF && ret != AVERROR(EAGAIN)))
1171 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
1172
e77c8662
AK
1173 ist->resample_width = decoded_frame->width;
1174 ist->resample_height = decoded_frame->height;
1175 ist->resample_pix_fmt = decoded_frame->format;
e77c8662 1176
3b266da3
AK
1177 for (i = 0; i < nb_filtergraphs; i++)
1178 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1179 configure_filtergraph(filtergraphs[i]) < 0) {
ac646076 1180 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
5e3f9979 1181 exit(1);
3b266da3
AK
1182 }
1183 }
ac646076 1184
3b266da3 1185 for (i = 0; i < ist->nb_filters; i++) {
9b2dc295
AK
1186 if (i < ist->nb_filters - 1) {
1187 f = ist->filter_frame;
1188 err = av_frame_ref(f, decoded_frame);
1189 if (err < 0)
1190 break;
04a14d4d 1191 } else
9b2dc295
AK
1192 f = decoded_frame;
1193
1194 err = av_buffersrc_add_frame(ist->filters[i]->filter, f);
1195 if (err < 0)
1196 break;
45d4b66f
AK
1197 }
1198
9b2dc295
AK
1199 av_frame_unref(ist->filter_frame);
1200 av_frame_unref(decoded_frame);
45d4b66f 1201 av_free(buffer_to_free);
9b2dc295 1202 return err < 0 ? err : ret;
45d4b66f
AK
1203}
1204
9595234c
AK
1205static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1206{
1207 AVSubtitle subtitle;
1208 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1209 &subtitle, got_output, pkt);
1210 if (ret < 0)
1211 return ret;
1212 if (!*got_output)
af8ad892 1213 return ret;
9595234c 1214
9595234c 1215 for (i = 0; i < nb_output_streams; i++) {
2e215267 1216 OutputStream *ost = output_streams[i];
9595234c
AK
1217
1218 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1219 continue;
1220
2e215267 1221 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
9595234c
AK
1222 }
1223
1224 avsubtitle_free(&subtitle);
af8ad892 1225 return ret;
9595234c
AK
1226}
1227
6291d7e4 1228/* pkt = NULL means EOF (needed to flush decoder buffers) */
ea9367e9 1229static int output_packet(InputStream *ist, const AVPacket *pkt)
6291d7e4 1230{
ffa0674e 1231 int i;
6291d7e4 1232 int got_output;
6291d7e4 1233 AVPacket avpkt;
6291d7e4 1234
3101bb66 1235 if (ist->next_dts == AV_NOPTS_VALUE)
23576b3f 1236 ist->next_dts = ist->last_dts;
6291d7e4
AK
1237
1238 if (pkt == NULL) {
1239 /* EOF handling */
1240 av_init_packet(&avpkt);
1241 avpkt.data = NULL;
1242 avpkt.size = 0;
1243 goto handle_eof;
1244 } else {
1245 avpkt = *pkt;
1246 }
1247
7636c8c6 1248 if (pkt->dts != AV_NOPTS_VALUE)
23576b3f 1249 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
6291d7e4 1250
7636c8c6 1251 // while we have more to decode or while the decoder did output something on EOF
2a651b71 1252 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
ffa0674e 1253 int ret = 0;
6291d7e4 1254 handle_eof:
6291d7e4 1255
23576b3f 1256 ist->last_dts = ist->next_dts;
8b0268a8
AK
1257
1258 if (avpkt.size && avpkt.size != pkt->size) {
e3245b26
AK
1259 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1260 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
8b0268a8
AK
1261 ist->showed_multi_packet_warning = 1;
1262 }
6291d7e4 1263
7636c8c6 1264 switch (ist->st->codec->codec_type) {
82963f8f 1265 case AVMEDIA_TYPE_AUDIO:
0629f612 1266 ret = decode_audio (ist, &avpkt, &got_output);
82963f8f
AK
1267 break;
1268 case AVMEDIA_TYPE_VIDEO:
0629f612 1269 ret = decode_video (ist, &avpkt, &got_output);
b34856a1
AK
1270 if (avpkt.duration)
1271 ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
aba232cf 1272 else if (ist->st->avg_frame_rate.num)
82494835 1273 ist->next_dts += av_rescale_q(1, av_inv_q(ist->st->avg_frame_rate),
722410ad 1274 AV_TIME_BASE_Q);
b34856a1
AK
1275 else if (ist->st->codec->time_base.num != 0) {
1276 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
1277 ist->st->codec->ticks_per_frame;
1278 ist->next_dts += av_rescale_q(ticks, ist->st->codec->time_base, AV_TIME_BASE_Q);
1279 }
82963f8f
AK
1280 break;
1281 case AVMEDIA_TYPE_SUBTITLE:
1282 ret = transcode_subtitles(ist, &avpkt, &got_output);
1283 break;
78162b4e
AK
1284 default:
1285 return -1;
1286 }
6291d7e4 1287
d3c1d37a
AK
1288 if (ret < 0)
1289 return ret;
aa38cff2
JG
1290 // touch data and size only if not EOF
1291 if (pkt) {
1292 avpkt.data += ret;
1293 avpkt.size -= ret;
1294 }
82963f8f 1295 if (!got_output) {
af8ad892 1296 continue;
82963f8f 1297 }
6291d7e4 1298 }
6291d7e4 1299
7204ec1a 1300 /* handle stream copy */
2a651b71 1301 if (!ist->decoding_needed) {
23576b3f 1302 ist->last_dts = ist->next_dts;
2a651b71
AK
1303 switch (ist->st->codec->codec_type) {
1304 case AVMEDIA_TYPE_AUDIO:
3101bb66 1305 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2a651b71
AK
1306 ist->st->codec->sample_rate;
1307 break;
1308 case AVMEDIA_TYPE_VIDEO:
1309 if (ist->st->codec->time_base.num != 0) {
7636c8c6 1310 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
3101bb66 1311 ist->next_dts += ((int64_t)AV_TIME_BASE *
2a651b71
AK
1312 ist->st->codec->time_base.num * ticks) /
1313 ist->st->codec->time_base.den;
1314 }
1315 break;
1316 }
1317 }
ea9367e9 1318 for (i = 0; pkt && i < nb_output_streams; i++) {
2e215267 1319 OutputStream *ost = output_streams[i];
7204ec1a
AK
1320
1321 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1322 continue;
1323
1324 do_streamcopy(ist, ost, pkt);
1325 }
1326
6291d7e4
AK
1327 return 0;
1328}
1329
ea9367e9 1330static void print_sdp(void)
6291d7e4 1331{
a23abaf3 1332 char sdp[16384];
af70aa45 1333 int i;
ea9367e9 1334 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
af70aa45
AK
1335
1336 if (!avc)
5e3f9979 1337 exit(1);
ea9367e9 1338 for (i = 0; i < nb_output_files; i++)
2e215267 1339 avc[i] = output_files[i]->ctx;
6291d7e4 1340
ea9367e9 1341 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
6291d7e4
AK
1342 printf("SDP:\n%s\n", sdp);
1343 fflush(stdout);
af70aa45 1344 av_freep(&avc);
6291d7e4
AK
1345}
1346
ea9367e9 1347static int init_input_stream(int ist_index, char *error, int error_len)
630902a1 1348{
c854102d 1349 int i, ret;
2e215267 1350 InputStream *ist = input_streams[ist_index];
630902a1
AK
1351 if (ist->decoding_needed) {
1352 AVCodec *codec = ist->dec;
630902a1 1353 if (!codec) {
9a414d89 1354 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
630902a1
AK
1355 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1356 return AVERROR(EINVAL);
1357 }
1358
1359 /* update requested sample format for the decoder based on the
1360 corresponding encoder sample format */
1361 for (i = 0; i < nb_output_streams; i++) {
2e215267 1362 OutputStream *ost = output_streams[i];
630902a1
AK
1363 if (ost->source_index == ist_index) {
1364 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1365 break;
1366 }
1367 }
1368
9b2dc295 1369 av_opt_set_int(ist->st->codec, "refcounted_frames", 1, 0);
64dca32c 1370
2473a45c
JG
1371 if (!av_dict_get(ist->opts, "threads", NULL, 0))
1372 av_dict_set(&ist->opts, "threads", "auto", 0);
c854102d
NC
1373 if ((ret = avcodec_open2(ist->st->codec, codec, &ist->opts)) < 0) {
1374 if (ret == AVERROR_EXPERIMENTAL)
1375 abort_codec_experimental(codec, 0);
9a414d89 1376 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
630902a1 1377 ist->file_index, ist->st->index);
c854102d 1378 return ret;
630902a1 1379 }
630902a1
AK
1380 assert_avoptions(ist->opts);
1381 }
1382
23576b3f 1383 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 1384 ist->next_dts = AV_NOPTS_VALUE;
630902a1
AK
1385 init_pts_correction(&ist->pts_ctx);
1386 ist->is_start = 1;
1387
1388 return 0;
1389}
1390
3b266da3
AK
1391static InputStream *get_input_stream(OutputStream *ost)
1392{
1393 if (ost->source_index >= 0)
1394 return input_streams[ost->source_index];
1395
1396 if (ost->filter) {
1397 FilterGraph *fg = ost->filter->graph;
1398 int i;
1399
1400 for (i = 0; i < fg->nb_inputs; i++)
1401 if (fg->inputs[i]->ist->st->codec->codec_type == ost->st->codec->codec_type)
1402 return fg->inputs[i]->ist;
1403 }
1404
1405 return NULL;
1406}
1407
19ad5673
AK
1408static void parse_forced_key_frames(char *kf, OutputStream *ost,
1409 AVCodecContext *avctx)
1410{
1411 char *p;
1412 int n = 1, i;
1413 int64_t t;
1414
1415 for (p = kf; *p; p++)
1416 if (*p == ',')
1417 n++;
1418 ost->forced_kf_count = n;
1419 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1420 if (!ost->forced_kf_pts) {
1421 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
5e3f9979 1422 exit(1);
19ad5673 1423 }
4c679750
RD
1424
1425 p = kf;
19ad5673 1426 for (i = 0; i < n; i++) {
4c679750
RD
1427 char *next = strchr(p, ',');
1428
1429 if (next)
1430 *next++ = 0;
1431
19ad5673
AK
1432 t = parse_time_or_die("force_key_frames", p, 1);
1433 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
4c679750
RD
1434
1435 p = next;
19ad5673
AK
1436 }
1437}
1438
ea9367e9 1439static int transcode_init(void)
6291d7e4 1440{
2c474ddb 1441 int ret = 0, i, j, k;
1bb77e51 1442 AVFormatContext *oc;
a5fd7c60 1443 AVCodecContext *codec;
4288e031 1444 OutputStream *ost;
6291d7e4
AK
1445 InputStream *ist;
1446 char error[1024];
1447 int want_sdp = 1;
b0c9e8e0 1448
f4805328
AK
1449 /* init framerate emulation */
1450 for (i = 0; i < nb_input_files; i++) {
2e215267 1451 InputFile *ifile = input_files[i];
f4805328
AK
1452 if (ifile->rate_emu)
1453 for (j = 0; j < ifile->nb_streams; j++)
2e215267 1454 input_streams[j + ifile->ist_index]->start = av_gettime();
f4805328 1455 }
6291d7e4
AK
1456
1457 /* output stream init */
03f30c83 1458 for (i = 0; i < nb_output_files; i++) {
2e215267 1459 oc = output_files[i]->ctx;
1bb77e51
AK
1460 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
1461 av_dump_format(oc, i, oc->filename, 1);
e3245b26 1462 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
eaf2d37a 1463 return AVERROR(EINVAL);
6291d7e4 1464 }
6291d7e4
AK
1465 }
1466
3b266da3
AK
1467 /* init complex filtergraphs */
1468 for (i = 0; i < nb_filtergraphs; i++)
1469 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
1470 return ret;
1471
6291d7e4 1472 /* for each output stream, we compute the right encoding parameters */
4288e031 1473 for (i = 0; i < nb_output_streams; i++) {
a5fd7c60 1474 AVCodecContext *icodec = NULL;
2e215267
AK
1475 ost = output_streams[i];
1476 oc = output_files[ost->file_index]->ctx;
3b266da3 1477 ist = get_input_stream(ost);
6291d7e4 1478
4dbc6cee
AK
1479 if (ost->attachment_filename)
1480 continue;
1481
03f30c83 1482 codec = ost->st->codec;
6291d7e4 1483
3b266da3
AK
1484 if (ist) {
1485 icodec = ist->st->codec;
1486
1487 ost->st->disposition = ist->st->disposition;
1488 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
1489 codec->chroma_sample_location = icodec->chroma_sample_location;
1490 }
6291d7e4 1491
3d813e4c 1492 if (ost->stream_copy) {
538bf767 1493 AVRational sar;
8c4022ac
AK
1494 uint64_t extra_size;
1495
1496 av_assert0(ist && !ost->filter);
1497
1498 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
6291d7e4 1499
e6d2b737 1500 if (extra_size > INT_MAX) {
eaf2d37a 1501 return AVERROR(EINVAL);
e6d2b737 1502 }
6291d7e4
AK
1503
1504 /* if stream_copy is selected, no need to decode or encode */
03f30c83 1505 codec->codec_id = icodec->codec_id;
6291d7e4
AK
1506 codec->codec_type = icodec->codec_type;
1507
03f30c83
AK
1508 if (!codec->codec_tag) {
1509 if (!oc->oformat->codec_tag ||
1510 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
1511 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
6291d7e4
AK
1512 codec->codec_tag = icodec->codec_tag;
1513 }
1514
03f30c83 1515 codec->bit_rate = icodec->bit_rate;
6291d7e4
AK
1516 codec->rc_max_rate = icodec->rc_max_rate;
1517 codec->rc_buffer_size = icodec->rc_buffer_size;
4bf3c8f2 1518 codec->field_order = icodec->field_order;
03f30c83 1519 codec->extradata = av_mallocz(extra_size);
e6d2b737 1520 if (!codec->extradata) {
eaf2d37a 1521 return AVERROR(ENOMEM);
e6d2b737 1522 }
6291d7e4 1523 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
03f30c83 1524 codec->extradata_size = icodec->extradata_size;
7bb3e625 1525 if (!copy_tb) {
03f30c83 1526 codec->time_base = icodec->time_base;
6291d7e4
AK
1527 codec->time_base.num *= icodec->ticks_per_frame;
1528 av_reduce(&codec->time_base.num, &codec->time_base.den,
1529 codec->time_base.num, codec->time_base.den, INT_MAX);
03f30c83 1530 } else
6291d7e4 1531 codec->time_base = ist->st->time_base;
03f30c83 1532
7636c8c6 1533 switch (codec->codec_type) {
6291d7e4 1534 case AVMEDIA_TYPE_AUDIO:
7636c8c6 1535 if (audio_volume != 256) {
e3245b26 1536 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
5e3f9979 1537 exit(1);
6291d7e4 1538 }
03f30c83
AK
1539 codec->channel_layout = icodec->channel_layout;
1540 codec->sample_rate = icodec->sample_rate;
1541 codec->channels = icodec->channels;
1542 codec->frame_size = icodec->frame_size;
6291d7e4 1543 codec->audio_service_type = icodec->audio_service_type;
03f30c83 1544 codec->block_align = icodec->block_align;
6291d7e4
AK
1545 break;
1546 case AVMEDIA_TYPE_VIDEO:
03f30c83
AK
1547 codec->pix_fmt = icodec->pix_fmt;
1548 codec->width = icodec->width;
1549 codec->height = icodec->height;
1550 codec->has_b_frames = icodec->has_b_frames;
538bf767
AK
1551 if (ost->frame_aspect_ratio)
1552 sar = av_d2q(ost->frame_aspect_ratio * codec->height / codec->width, 255);
1553 else if (ist->st->sample_aspect_ratio.num)
1554 sar = ist->st->sample_aspect_ratio;
1555 else
1556 sar = icodec->sample_aspect_ratio;
1557 ost->st->sample_aspect_ratio = codec->sample_aspect_ratio = sar;
6291d7e4
AK
1558 break;
1559 case AVMEDIA_TYPE_SUBTITLE:
03f30c83 1560 codec->width = icodec->width;
6291d7e4
AK
1561 codec->height = icodec->height;
1562 break;
1563 case AVMEDIA_TYPE_DATA:
3ccd1580 1564 case AVMEDIA_TYPE_ATTACHMENT:
6291d7e4
AK
1565 break;
1566 default:
1567 abort();
1568 }
1569 } else {
2994913d
AK
1570 if (!ost->enc) {
1571 /* should only happen when a default codec is not present. */
1572 snprintf(error, sizeof(error), "Automatic encoder selection "
1573 "failed for output stream #%d:%d. Default encoder for "
1574 "format %s is probably disabled. Please choose an "
1575 "encoder manually.\n", ost->file_index, ost->index,
1576 oc->oformat->name);
1577 ret = AVERROR(EINVAL);
1578 goto dump_format;
1579 }
03f30c83 1580
3b266da3
AK
1581 if (ist)
1582 ist->decoding_needed = 1;
11fdb7e1 1583 ost->encoding_needed = 1;
03f30c83 1584
74b961db
AK
1585 /*
1586 * We want CFR output if and only if one of those is true:
1587 * 1) user specified output framerate with -r
1588 * 2) user specified -vsync cfr
1589 * 3) output format is CFR and the user didn't force vsync to
1590 * something else than CFR
1591 *
1592 * in such a case, set ost->frame_rate
1593 */
1594 if (codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1595 !ost->frame_rate.num && ist &&
1596 (video_sync_method == VSYNC_CFR ||
1597 (video_sync_method == VSYNC_AUTO &&
1598 !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
44b0b85f
AK
1599 ost->frame_rate = ist->framerate.num ? ist->framerate :
1600 ist->st->avg_frame_rate.num ?
1601 ist->st->avg_frame_rate :
1602 (AVRational){25, 1};
1603
74b961db
AK
1604 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
1605 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
1606 ost->frame_rate = ost->enc->supported_framerates[idx];
1607 }
1608 }
1609
369cb092
AK
1610 if (!ost->filter &&
1611 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
1612 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
3b266da3
AK
1613 FilterGraph *fg;
1614 fg = init_simple_filtergraph(ist, ost);
8daf21d5 1615 if (configure_filtergraph(fg)) {
3b266da3
AK
1616 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
1617 exit(1);
1618 }
369cb092 1619 }
3b266da3 1620
369cb092
AK
1621 switch (codec->codec_type) {
1622 case AVMEDIA_TYPE_AUDIO:
1623 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
1624 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
1625 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
1626 codec->channels = av_get_channel_layout_nb_channels(codec->channel_layout);
1627 codec->time_base = (AVRational){ 1, codec->sample_rate };
1628 break;
1629 case AVMEDIA_TYPE_VIDEO:
74b961db 1630 codec->time_base = ost->filter->filter->inputs[0]->time_base;
6291d7e4 1631
3b266da3
AK
1632 codec->width = ost->filter->filter->inputs[0]->w;
1633 codec->height = ost->filter->filter->inputs[0]->h;
1634 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
1635 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
1636 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
1637 ost->filter->filter->inputs[0]->sample_aspect_ratio;
1638 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
b7327887 1639
a5fd7c60
AK
1640 if (icodec &&
1641 (codec->width != icodec->width ||
1642 codec->height != icodec->height ||
1643 codec->pix_fmt != icodec->pix_fmt)) {
b7327887
AK
1644 codec->bits_per_raw_sample = 0;
1645 }
1646
19ad5673
AK
1647 if (ost->forced_keyframes)
1648 parse_forced_key_frames(ost->forced_keyframes, ost,
1649 ost->st->codec);
6291d7e4
AK
1650 break;
1651 case AVMEDIA_TYPE_SUBTITLE:
c9af8326 1652 codec->time_base = (AVRational){1, 1000};
6291d7e4
AK
1653 break;
1654 default:
1655 abort();
1656 break;
1657 }
1658 /* two pass mode */
515901fa 1659 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
6291d7e4
AK
1660 char logfilename[1024];
1661 FILE *f;
1662
1663 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
bbcedade
AK
1664 ost->logfile_prefix ? ost->logfile_prefix :
1665 DEFAULT_PASS_LOGFILENAME_PREFIX,
6291d7e4 1666 i);
6e8be949
AK
1667 if (!strcmp(ost->enc->name, "libx264")) {
1668 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
1669 } else {
64334ddb
AK
1670 if (codec->flags & CODEC_FLAG_PASS1) {
1671 f = fopen(logfilename, "wb");
1672 if (!f) {
1673 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
1674 logfilename, strerror(errno));
5e3f9979 1675 exit(1);
64334ddb
AK
1676 }
1677 ost->logfile = f;
1678 } else {
1679 char *logbuffer;
1680 size_t logbuffer_size;
1681 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
1682 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
1683 logfilename);
5e3f9979 1684 exit(1);
64334ddb
AK
1685 }
1686 codec->stats_in = logbuffer;
6291d7e4 1687 }
6e8be949 1688 }
6291d7e4
AK
1689 }
1690 }
6291d7e4
AK
1691 }
1692
1693 /* open each encoder */
4288e031 1694 for (i = 0; i < nb_output_streams; i++) {
2e215267 1695 ost = output_streams[i];
6291d7e4 1696 if (ost->encoding_needed) {
03f30c83 1697 AVCodec *codec = ost->enc;
3b266da3 1698 AVCodecContext *dec = NULL;
3b266da3
AK
1699
1700 if ((ist = get_input_stream(ost)))
1701 dec = ist->st->codec;
1702 if (dec && dec->subtitle_header) {
6291d7e4
AK
1703 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
1704 if (!ost->st->codec->subtitle_header) {
1705 ret = AVERROR(ENOMEM);
1706 goto dump_format;
1707 }
1708 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
1709 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
1710 }
2473a45c
JG
1711 if (!av_dict_get(ost->opts, "threads", NULL, 0))
1712 av_dict_set(&ost->opts, "threads", "auto", 0);
c854102d
NC
1713 if ((ret = avcodec_open2(ost->st->codec, codec, &ost->opts)) < 0) {
1714 if (ret == AVERROR_EXPERIMENTAL)
1715 abort_codec_experimental(codec, 1);
9a414d89 1716 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 1717 ost->file_index, ost->index);
6291d7e4
AK
1718 goto dump_format;
1719 }
6291d7e4
AK
1720 assert_avoptions(ost->opts);
1721 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
1722 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
1723 "It takes bits/s as argument, not kbits/s\n");
1724 extra_size += ost->st->codec->extradata_size;
d242d80e
AK
1725
1726 if (ost->st->codec->me_threshold)
2e215267 1727 input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
df0229a7
MS
1728 } else {
1729 av_opt_set_dict(ost->st->codec, &ost->opts);
6291d7e4
AK
1730 }
1731 }
1732
630902a1
AK
1733 /* init input streams */
1734 for (i = 0; i < nb_input_streams; i++)
ea9367e9 1735 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
630902a1 1736 goto dump_format;
6291d7e4 1737
2c474ddb
AK
1738 /* discard unused programs */
1739 for (i = 0; i < nb_input_files; i++) {
2e215267 1740 InputFile *ifile = input_files[i];
2c474ddb
AK
1741 for (j = 0; j < ifile->ctx->nb_programs; j++) {
1742 AVProgram *p = ifile->ctx->programs[j];
1743 int discard = AVDISCARD_ALL;
1744
1745 for (k = 0; k < p->nb_stream_indexes; k++)
2e215267 1746 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2c474ddb
AK
1747 discard = AVDISCARD_DEFAULT;
1748 break;
1749 }
1750 p->discard = discard;
1751 }
1752 }
1753
6291d7e4 1754 /* open files and write file headers */
af70aa45 1755 for (i = 0; i < nb_output_files; i++) {
2e215267 1756 oc = output_files[i]->ctx;
1bb77e51 1757 oc->interrupt_callback = int_cb;
a1a6cdc2
MS
1758 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
1759 char errbuf[128];
1e340af8
LB
1760 av_strerror(ret, errbuf, sizeof(errbuf));
1761 snprintf(error, sizeof(error),
1762 "Could not write header for output file #%d "
1763 "(incorrect codec parameters ?): %s",
1764 i, errbuf);
6291d7e4
AK
1765 ret = AVERROR(EINVAL);
1766 goto dump_format;
1767 }
2e215267 1768 assert_avoptions(output_files[i]->opts);
1bb77e51 1769 if (strcmp(oc->oformat->name, "rtp")) {
6291d7e4
AK
1770 want_sdp = 0;
1771 }
1772 }
1773
1774 dump_format:
1775 /* dump the file output parameters - cannot be done before in case
1776 of stream copy */
03f30c83 1777 for (i = 0; i < nb_output_files; i++) {
2e215267 1778 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
6291d7e4
AK
1779 }
1780
1781 /* dump the stream mapping */
e3245b26 1782 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3b266da3
AK
1783 for (i = 0; i < nb_input_streams; i++) {
1784 ist = input_streams[i];
1785
1786 for (j = 0; j < ist->nb_filters; j++) {
3b266da3
AK
1787 if (ist->filters[j]->graph->graph_desc) {
1788 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
1789 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
cf6c38c6 1790 ist->filters[j]->name);
3b266da3
AK
1791 if (nb_filtergraphs > 1)
1792 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
1793 av_log(NULL, AV_LOG_INFO, "\n");
1794 }
1795 }
1796 }
1797
e3245b26 1798 for (i = 0; i < nb_output_streams; i++) {
2e215267 1799 ost = output_streams[i];
4dbc6cee
AK
1800
1801 if (ost->attachment_filename) {
1802 /* an attached file */
1803 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
1804 ost->attachment_filename, ost->file_index, ost->index);
1805 continue;
1806 }
3b266da3
AK
1807
1808 if (ost->filter && ost->filter->graph->graph_desc) {
1809 /* output from a complex graph */
cf6c38c6 1810 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3b266da3
AK
1811 if (nb_filtergraphs > 1)
1812 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
1813
1814 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
1815 ost->index, ost->enc ? ost->enc->name : "?");
1816 continue;
1817 }
1818
9a414d89 1819 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2e215267
AK
1820 input_streams[ost->source_index]->file_index,
1821 input_streams[ost->source_index]->st->index,
e3245b26
AK
1822 ost->file_index,
1823 ost->index);
2e215267 1824 if (ost->sync_ist != input_streams[ost->source_index])
9a414d89 1825 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
e3245b26
AK
1826 ost->sync_ist->file_index,
1827 ost->sync_ist->st->index);
3d813e4c 1828 if (ost->stream_copy)
e3245b26
AK
1829 av_log(NULL, AV_LOG_INFO, " (copy)");
1830 else
2e215267
AK
1831 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
1832 input_streams[ost->source_index]->dec->name : "?",
e3245b26
AK
1833 ost->enc ? ost->enc->name : "?");
1834 av_log(NULL, AV_LOG_INFO, "\n");
6291d7e4
AK
1835 }
1836
1837 if (ret) {
e3245b26 1838 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
eaf2d37a 1839 return ret;
6291d7e4
AK
1840 }
1841
1842 if (want_sdp) {
ea9367e9 1843 print_sdp();
6291d7e4
AK
1844 }
1845
eaf2d37a
AC
1846 return 0;
1847}
1848
c1ef30a6 1849/* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
2f51ec2b
AK
1850static int need_output(void)
1851{
1852 int i;
1853
1854 for (i = 0; i < nb_output_streams; i++) {
1855 OutputStream *ost = output_streams[i];
1856 OutputFile *of = output_files[ost->file_index];
1857 AVFormatContext *os = output_files[ost->file_index]->ctx;
1858
57d24225 1859 if (ost->finished ||
2f51ec2b
AK
1860 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
1861 continue;
e58b75f7 1862 if (ost->frame_number >= ost->max_frames) {
2f51ec2b
AK
1863 int j;
1864 for (j = 0; j < of->ctx->nb_streams; j++)
57d24225 1865 output_streams[of->ost_index + j]->finished = 1;
2f51ec2b
AK
1866 continue;
1867 }
1868
1869 return 1;
1870 }
1871
1872 return 0;
1873}
1874
83916029 1875static InputFile *select_input_file(void)
a508e7a1 1876{
83916029 1877 InputFile *ifile = NULL;
a508e7a1 1878 int64_t ipts_min = INT64_MAX;
83916029 1879 int i;
a508e7a1
AK
1880
1881 for (i = 0; i < nb_input_streams; i++) {
1882 InputStream *ist = input_streams[i];
1883 int64_t ipts = ist->last_dts;
1884
0b26ef42 1885 if (ist->discard || input_files[ist->file_index]->eagain)
a508e7a1
AK
1886 continue;
1887 if (!input_files[ist->file_index]->eof_reached) {
1888 if (ipts < ipts_min) {
1889 ipts_min = ipts;
83916029 1890 ifile = input_files[ist->file_index];
a508e7a1
AK
1891 }
1892 }
1893 }
1894
83916029 1895 return ifile;
a508e7a1
AK
1896}
1897
47b812e9 1898#if HAVE_PTHREADS
5db5169e
AK
1899static void *input_thread(void *arg)
1900{
1901 InputFile *f = arg;
1902 int ret = 0;
1903
1904 while (!transcoding_finished && ret >= 0) {
1905 AVPacket pkt;
1906 ret = av_read_frame(f->ctx, &pkt);
1907
1908 if (ret == AVERROR(EAGAIN)) {
896bb0d7 1909 av_usleep(10000);
5db5169e
AK
1910 ret = 0;
1911 continue;
1912 } else if (ret < 0)
1913 break;
1914
1915 pthread_mutex_lock(&f->fifo_lock);
1916 while (!av_fifo_space(f->fifo))
1917 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
1918
1919 av_dup_packet(&pkt);
1920 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
1921
1922 pthread_mutex_unlock(&f->fifo_lock);
1923 }
1924
1925 f->finished = 1;
1926 return NULL;
1927}
1928
1929static void free_input_threads(void)
1930{
1931 int i;
1932
1933 if (nb_input_files == 1)
1934 return;
1935
1936 transcoding_finished = 1;
1937
1938 for (i = 0; i < nb_input_files; i++) {
1939 InputFile *f = input_files[i];
1940 AVPacket pkt;
1941
9034b0ed 1942 if (!f->fifo || f->joined)
5db5169e
AK
1943 continue;
1944
1945 pthread_mutex_lock(&f->fifo_lock);
1946 while (av_fifo_size(f->fifo)) {
1947 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
1948 av_free_packet(&pkt);
1949 }
1950 pthread_cond_signal(&f->fifo_cond);
1951 pthread_mutex_unlock(&f->fifo_lock);
1952
1953 pthread_join(f->thread, NULL);
1954 f->joined = 1;
1955
1956 while (av_fifo_size(f->fifo)) {
1957 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
1958 av_free_packet(&pkt);
1959 }
1960 av_fifo_free(f->fifo);
1961 }
1962}
1963
1964static int init_input_threads(void)
1965{
1966 int i, ret;
1967
1968 if (nb_input_files == 1)
1969 return 0;
1970
1971 for (i = 0; i < nb_input_files; i++) {
1972 InputFile *f = input_files[i];
1973
1974 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
1975 return AVERROR(ENOMEM);
1976
1977 pthread_mutex_init(&f->fifo_lock, NULL);
1978 pthread_cond_init (&f->fifo_cond, NULL);
1979
1980 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
1981 return AVERROR(ret);
1982 }
1983 return 0;
1984}
1985
1986static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
1987{
1988 int ret = 0;
1989
1990 pthread_mutex_lock(&f->fifo_lock);
1991
1992 if (av_fifo_size(f->fifo)) {
1993 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
1994 pthread_cond_signal(&f->fifo_cond);
1995 } else {
1996 if (f->finished)
1997 ret = AVERROR_EOF;
1998 else
1999 ret = AVERROR(EAGAIN);
2000 }
2001
2002 pthread_mutex_unlock(&f->fifo_lock);
2003
2004 return ret;
2005}
2006#endif
2007
2008static int get_input_packet(InputFile *f, AVPacket *pkt)
2009{
b4a5a292
AK
2010 if (f->rate_emu) {
2011 int i;
2012 for (i = 0; i < f->nb_streams; i++) {
2013 InputStream *ist = input_streams[f->ist_index + i];
2014 int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
2015 int64_t now = av_gettime() - ist->start;
2016 if (pts > now)
2017 return AVERROR(EAGAIN);
2018 }
2019 }
2020
47b812e9 2021#if HAVE_PTHREADS
5db5169e
AK
2022 if (nb_input_files > 1)
2023 return get_input_packet_mt(f, pkt);
2024#endif
2025 return av_read_frame(f->ctx, pkt);
2026}
2027
0b26ef42
AK
2028static int got_eagain(void)
2029{
2030 int i;
2031 for (i = 0; i < nb_input_files; i++)
2032 if (input_files[i]->eagain)
2033 return 1;
2034 return 0;
2035}
2036
2037static void reset_eagain(void)
2038{
2039 int i;
2040 for (i = 0; i < nb_input_files; i++)
2041 input_files[i]->eagain = 0;
2042}
2043
c1ef30a6 2044/*
0c00fd80
AK
2045 * Read one packet from an input file and send it for
2046 * - decoding -> lavfi (audio/video)
2047 * - decoding -> encoding -> muxing (subtitles)
2048 * - muxing (streamcopy)
2049 *
c1ef30a6 2050 * Return
0c00fd80
AK
2051 * - 0 -- one packet was read and processed
2052 * - AVERROR(EAGAIN) -- no packets were available for selected file,
2053 * this function should be called again
2054 * - AVERROR_EOF -- this function should not be called again
2055 */
2056static int process_input(void)
2057{
2058 InputFile *ifile;
2059 AVFormatContext *is;
2060 InputStream *ist;
2061 AVPacket pkt;
2062 int ret, i, j;
2063
2064 /* select the stream that we must read now */
2065 ifile = select_input_file();
2066 /* if none, if is finished */
2067 if (!ifile) {
2068 if (got_eagain()) {
2069 reset_eagain();
2070 av_usleep(10000);
2071 return AVERROR(EAGAIN);
2072 }
2073 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from.\n");
2074 return AVERROR_EOF;
2075 }
2076
2077 is = ifile->ctx;
2078 ret = get_input_packet(ifile, &pkt);
2079
2080 if (ret == AVERROR(EAGAIN)) {
2081 ifile->eagain = 1;
2082 return ret;
2083 }
2084 if (ret < 0) {
2085 if (ret != AVERROR_EOF) {
2086 print_error(is->filename, ret);
2087 if (exit_on_error)
5e3f9979 2088 exit(1);
0c00fd80
AK
2089 }
2090 ifile->eof_reached = 1;
2091
2092 for (i = 0; i < ifile->nb_streams; i++) {
2093 ist = input_streams[ifile->ist_index + i];
2094 if (ist->decoding_needed)
2095 output_packet(ist, NULL);
2096
2097 /* mark all outputs that don't go through lavfi as finished */
2098 for (j = 0; j < nb_output_streams; j++) {
2099 OutputStream *ost = output_streams[j];
2100
2101 if (ost->source_index == ifile->ist_index + i &&
2102 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
57d24225 2103 ost->finished= 1;
0c00fd80
AK
2104 }
2105 }
2106
3c0df905 2107 return AVERROR(EAGAIN);
0c00fd80
AK
2108 }
2109
2110 reset_eagain();
2111
2112 if (do_pkt_dump) {
2113 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2114 is->streams[pkt.stream_index]);
2115 }
2116 /* the following test is needed in case new streams appear
2117 dynamically in stream : we ignore them */
2118 if (pkt.stream_index >= ifile->nb_streams)
2119 goto discard_packet;
2120
2121 ist = input_streams[ifile->ist_index + pkt.stream_index];
2122 if (ist->discard)
2123 goto discard_packet;
2124
2125 if (pkt.dts != AV_NOPTS_VALUE)
2126 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2127 if (pkt.pts != AV_NOPTS_VALUE)
2128 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2129
2130 if (pkt.pts != AV_NOPTS_VALUE)
2131 pkt.pts *= ist->ts_scale;
2132 if (pkt.dts != AV_NOPTS_VALUE)
2133 pkt.dts *= ist->ts_scale;
2134
2135 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
2136 (is->iformat->flags & AVFMT_TS_DISCONT)) {
2137 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2138 int64_t delta = pkt_dts - ist->next_dts;
2139
2140 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
2141 ifile->ts_offset -= delta;
2142 av_log(NULL, AV_LOG_DEBUG,
2143 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2144 delta, ifile->ts_offset);
2145 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2146 if (pkt.pts != AV_NOPTS_VALUE)
2147 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2148 }
2149 }
2150
2151 ret = output_packet(ist, &pkt);
2152 if (ret < 0) {
2153 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
2154 ist->file_index, ist->st->index);
2155 if (exit_on_error)
5e3f9979 2156 exit(1);
0c00fd80
AK
2157 }
2158
2159discard_packet:
2160 av_free_packet(&pkt);
2161
2162 return 0;
2163}
2164
eaf2d37a
AC
2165/*
2166 * The following code is the main loop of the file converter
2167 */
ea9367e9 2168static int transcode(void)
eaf2d37a 2169{
0c00fd80
AK
2170 int ret, i, need_input = 1;
2171 AVFormatContext *os;
eaf2d37a
AC
2172 OutputStream *ost;
2173 InputStream *ist;
eaf2d37a
AC
2174 int64_t timer_start;
2175
ea9367e9 2176 ret = transcode_init();
eaf2d37a
AC
2177 if (ret < 0)
2178 goto fail;
2179
e3245b26 2180 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
6291d7e4
AK
2181 term_init();
2182
2183 timer_start = av_gettime();
2184
47b812e9 2185#if HAVE_PTHREADS
5db5169e
AK
2186 if ((ret = init_input_threads()) < 0)
2187 goto fail;
2188#endif
2189
c0fbf971 2190 while (!received_sigterm) {
3b266da3 2191 /* check if there's any stream where output is still needed */
2f51ec2b
AK
2192 if (!need_output()) {
2193 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3b266da3 2194 break;
2f51ec2b 2195 }
3b266da3 2196
0c00fd80
AK
2197 /* read and process one input packet if needed */
2198 if (need_input) {
2199 ret = process_input();
2200 if (ret == AVERROR_EOF)
2201 need_input = 0;
6291d7e4
AK
2202 }
2203
0c00fd80 2204 ret = poll_filters();
6291d7e4 2205 if (ret < 0) {
0c00fd80 2206 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
6291d7e4 2207 continue;
6291d7e4 2208
0c00fd80
AK
2209 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
2210 break;
6291d7e4
AK
2211 }
2212
6291d7e4 2213 /* dump report by using the output first video and audio streams */
ea9367e9 2214 print_report(0, timer_start);
6291d7e4 2215 }
47b812e9 2216#if HAVE_PTHREADS
5db5169e
AK
2217 free_input_threads();
2218#endif
6291d7e4
AK
2219
2220 /* at the end of stream, we must flush the decoder buffers */
2221 for (i = 0; i < nb_input_streams; i++) {
2e215267 2222 ist = input_streams[i];
9e8aae44 2223 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
ea9367e9 2224 output_packet(ist, NULL);
6291d7e4
AK
2225 }
2226 }
560f7774 2227 poll_filters();
ea9367e9 2228 flush_encoders();
6291d7e4
AK
2229
2230 term_exit();
2231
2232 /* write the trailer if needed and close file */
7636c8c6 2233 for (i = 0; i < nb_output_files; i++) {
2e215267 2234 os = output_files[i]->ctx;
6291d7e4
AK
2235 av_write_trailer(os);
2236 }
2237
2238 /* dump report by using the first video and audio streams */
ea9367e9 2239 print_report(1, timer_start);
6291d7e4
AK
2240
2241 /* close each encoder */
4288e031 2242 for (i = 0; i < nb_output_streams; i++) {
2e215267 2243 ost = output_streams[i];
6291d7e4
AK
2244 if (ost->encoding_needed) {
2245 av_freep(&ost->st->codec->stats_in);
2246 avcodec_close(ost->st->codec);
2247 }
6291d7e4
AK
2248 }
2249
2250 /* close each decoder */
2251 for (i = 0; i < nb_input_streams; i++) {
2e215267 2252 ist = input_streams[i];
6291d7e4
AK
2253 if (ist->decoding_needed) {
2254 avcodec_close(ist->st->codec);
2255 }
2256 }
2257
2258 /* finished ! */
2259 ret = 0;
2260
2261 fail:
47b812e9 2262#if HAVE_PTHREADS
5db5169e
AK
2263 free_input_threads();
2264#endif
6291d7e4 2265
4288e031
AK
2266 if (output_streams) {
2267 for (i = 0; i < nb_output_streams; i++) {
2e215267 2268 ost = output_streams[i];
6291d7e4 2269 if (ost) {
3d813e4c 2270 if (ost->stream_copy)
6291d7e4
AK
2271 av_freep(&ost->st->codec->extradata);
2272 if (ost->logfile) {
2273 fclose(ost->logfile);
2274 ost->logfile = NULL;
2275 }
6291d7e4 2276 av_freep(&ost->st->codec->subtitle_header);
6291d7e4 2277 av_free(ost->forced_kf_pts);
6291d7e4 2278 av_dict_free(&ost->opts);
5c7db097 2279 av_dict_free(&ost->resample_opts);
6291d7e4
AK
2280 }
2281 }
6291d7e4
AK
2282 }
2283 return ret;
2284}
2285
f5e66827 2286static int64_t getutime(void)
a2c0b830 2287{
f5e66827
AK
2288#if HAVE_GETRUSAGE
2289 struct rusage rusage;
a2c0b830 2290
f5e66827
AK
2291 getrusage(RUSAGE_SELF, &rusage);
2292 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2293#elif HAVE_GETPROCESSTIMES
2294 HANDLE proc;
2295 FILETIME c, e, k, u;
2296 proc = GetCurrentProcess();
2297 GetProcessTimes(proc, &c, &e, &k, &u);
2298 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
2299#else
2300 return av_gettime();
2301#endif
a2c0b830
AK
2302}
2303
f5e66827 2304static int64_t getmaxrss(void)
6291d7e4 2305{
f5e66827
AK
2306#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
2307 struct rusage rusage;
2308 getrusage(RUSAGE_SELF, &rusage);
2309 return (int64_t)rusage.ru_maxrss * 1024;
2310#elif HAVE_GETPROCESSMEMORYINFO
2311 HANDLE proc;
2312 PROCESS_MEMORY_COUNTERS memcounters;
2313 proc = GetCurrentProcess();
2314 memcounters.cb = sizeof(memcounters);
2315 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
2316 return memcounters.PeakPagefileUsage;
2317#else
6291d7e4 2318 return 0;
f5e66827 2319#endif
6291d7e4
AK
2320}
2321
6291d7e4
AK
2322int main(int argc, char **argv)
2323{
77bd1bc7 2324 int ret;
6291d7e4
AK
2325 int64_t ti;
2326
5e3f9979
DEP
2327 atexit(exit_program);
2328
6291d7e4 2329 av_log_set_flags(AV_LOG_SKIP_REPEATED);
182cbe43 2330 parse_loglevel(argc, argv, options);
6291d7e4
AK
2331
2332 avcodec_register_all();
2333#if CONFIG_AVDEVICE
2334 avdevice_register_all();
2335#endif
6291d7e4 2336 avfilter_register_all();
6291d7e4 2337 av_register_all();
776f2bb9 2338 avformat_network_init();
6291d7e4 2339
6291d7e4
AK
2340 show_banner();
2341
77bd1bc7
AK
2342 /* parse options and open all input/output files */
2343 ret = avconv_parse_options(argc, argv);
2344 if (ret < 0)
2345 exit(1);
6291d7e4 2346
7636c8c6 2347 if (nb_output_files <= 0 && nb_input_files == 0) {
6291d7e4 2348 show_usage();
e3245b26 2349 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
5e3f9979 2350 exit(1);
6291d7e4
AK
2351 }
2352
2353 /* file converter / grab */
2354 if (nb_output_files <= 0) {
2355 fprintf(stderr, "At least one output file must be specified\n");
5e3f9979 2356 exit(1);
6291d7e4
AK
2357 }
2358
6291d7e4 2359 ti = getutime();
ea9367e9 2360 if (transcode() < 0)
5e3f9979 2361 exit(1);
6291d7e4
AK
2362 ti = getutime() - ti;
2363 if (do_benchmark) {
2364 int maxrss = getmaxrss() / 1024;
2365 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
2366 }
2367
5e3f9979 2368 exit(0);
dad09ff9 2369 return 0;
6291d7e4 2370}