avconv: split printing the final statistics into a separate function
[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 <stdint.h>
31
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32#include "libavformat/avformat.h"
33#include "libavdevice/avdevice.h"
34#include "libswscale/swscale.h"
bcb82fe1 35#include "libavresample/avresample.h"
6291d7e4 36#include "libavutil/opt.h"
a903f8f0 37#include "libavutil/channel_layout.h"
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38#include "libavutil/parseutils.h"
39#include "libavutil/samplefmt.h"
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40#include "libavutil/fifo.h"
41#include "libavutil/intreadwrite.h"
42#include "libavutil/dict.h"
43#include "libavutil/mathematics.h"
44#include "libavutil/pixdesc.h"
45#include "libavutil/avstring.h"
46#include "libavutil/libm.h"
64dca32c 47#include "libavutil/imgutils.h"
896bb0d7 48#include "libavutil/time.h"
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49#include "libavformat/os_support.h"
50
6291d7e4 51# include "libavfilter/avfilter.h"
04a14d4d 52# include "libavfilter/buffersrc.h"
ac712309 53# include "libavfilter/buffersink.h"
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54
55#if HAVE_SYS_RESOURCE_H
3f65eff4 56#include <sys/time.h>
6291d7e4 57#include <sys/types.h>
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58#include <sys/resource.h>
59#elif HAVE_GETPROCESSTIMES
60#include <windows.h>
61#endif
62#if HAVE_GETPROCESSMEMORYINFO
63#include <windows.h>
64#include <psapi.h>
65#endif
66
67#if HAVE_SYS_SELECT_H
68#include <sys/select.h>
69#endif
70
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71#if HAVE_PTHREADS
72#include <pthread.h>
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73#endif
74
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75#include <time.h>
76
f5e66827 77#include "avconv.h"
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78#include "cmdutils.h"
79
80#include "libavutil/avassert.h"
81
82const char program_name[] = "avconv";
83const int program_birth_year = 2000;
84
6291d7e4 85static FILE *vstats_file;
6291d7e4 86
6291d7e4 87static int nb_frames_drop = 0;
6291d7e4 88
6291d7e4 89
3460dd8a 90
47b812e9 91#if HAVE_PTHREADS
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92/* signal to input threads that they should exit; set by the main thread */
93static int transcoding_finished;
94#endif
95
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96#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
97
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98InputStream **input_streams = NULL;
99int nb_input_streams = 0;
100InputFile **input_files = NULL;
101int nb_input_files = 0;
6b779ccc 102
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103OutputStream **output_streams = NULL;
104int nb_output_streams = 0;
105OutputFile **output_files = NULL;
106int nb_output_files = 0;
6b779ccc 107
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108FilterGraph **filtergraphs;
109int nb_filtergraphs;
575ec4e1 110
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111static void term_exit(void)
112{
113 av_log(NULL, AV_LOG_QUIET, "");
114}
115
116static volatile int received_sigterm = 0;
117static volatile int received_nb_signals = 0;
118
119static void
120sigterm_handler(int sig)
121{
122 received_sigterm = sig;
123 received_nb_signals++;
124 term_exit();
125}
126
127static void term_init(void)
128{
7636c8c6 129 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
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130 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
131#ifdef SIGXCPU
132 signal(SIGXCPU, sigterm_handler);
133#endif
134}
135
2abe947a 136static int decode_interrupt_cb(void *ctx)
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137{
138 return received_nb_signals > 1;
139}
140
f5e66827 141const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
2abe947a 142
636ced8e 143static void avconv_cleanup(int ret)
6291d7e4 144{
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145 int i, j;
146
147 for (i = 0; i < nb_filtergraphs; i++) {
148 avfilter_graph_free(&filtergraphs[i]->graph);
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149 for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
150 av_freep(&filtergraphs[i]->inputs[j]->name);
560f7774 151 av_freep(&filtergraphs[i]->inputs[j]);
cf6c38c6 152 }
560f7774 153 av_freep(&filtergraphs[i]->inputs);
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154 for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
155 av_freep(&filtergraphs[i]->outputs[j]->name);
560f7774 156 av_freep(&filtergraphs[i]->outputs[j]);
cf6c38c6 157 }
560f7774 158 av_freep(&filtergraphs[i]->outputs);
a4208b9b 159 av_freep(&filtergraphs[i]->graph_desc);
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160 av_freep(&filtergraphs[i]);
161 }
162 av_freep(&filtergraphs);
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163
164 /* close files */
7636c8c6 165 for (i = 0; i < nb_output_files; i++) {
2e215267 166 AVFormatContext *s = output_files[i]->ctx;
274e134e 167 if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE) && s->pb)
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168 avio_close(s->pb);
169 avformat_free_context(s);
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170 av_dict_free(&output_files[i]->opts);
171 av_freep(&output_files[i]);
6291d7e4 172 }
1135a071 173 for (i = 0; i < nb_output_streams; i++) {
2e215267 174 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
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175 while (bsfc) {
176 AVBitStreamFilterContext *next = bsfc->next;
177 av_bitstream_filter_close(bsfc);
178 bsfc = next;
179 }
2e215267 180 output_streams[i]->bitstream_filters = NULL;
eb891b31 181 av_frame_free(&output_streams[i]->filtered_frame);
ac646076 182
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183 av_parser_close(output_streams[i]->parser);
184
19ad5673 185 av_freep(&output_streams[i]->forced_keyframes);
2e215267 186 av_freep(&output_streams[i]->avfilter);
bbcedade 187 av_freep(&output_streams[i]->logfile_prefix);
2e215267 188 av_freep(&output_streams[i]);
1135a071 189 }
7636c8c6 190 for (i = 0; i < nb_input_files; i++) {
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191 avformat_close_input(&input_files[i]->ctx);
192 av_freep(&input_files[i]);
6291d7e4 193 }
9179f27c 194 for (i = 0; i < nb_input_streams; i++) {
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195 av_frame_free(&input_streams[i]->decoded_frame);
196 av_frame_free(&input_streams[i]->filter_frame);
2e215267 197 av_dict_free(&input_streams[i]->opts);
560f7774 198 av_freep(&input_streams[i]->filters);
07fd0a22 199 av_freep(&input_streams[i]->hwaccel_device);
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);
636ced8e 228 exit_program(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);
636ced8e 243 exit_program(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;
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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)) {
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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)
636ced8e 337 exit_program(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)
636ced8e 344 exit_program(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");
636ced8e 359 exit_program(1);
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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
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370 ost->data_size += pkt->size;
371
61a09968 372 pkt->stream_index = ost->index;
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373 ret = av_interleaved_write_frame(s, pkt);
374 if (ret < 0) {
6291d7e4 375 print_error("av_interleaved_write_frame()", ret);
636ced8e 376 exit_program(1);
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377 }
378}
379
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380static int check_recording_time(OutputStream *ost)
381{
2e215267 382 OutputFile *of = output_files[ost->file_index];
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383
384 if (of->recording_time != INT64_MAX &&
385 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
386 AV_TIME_BASE_Q) >= 0) {
57d24225 387 ost->finished = 1;
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388 return 0;
389 }
390 return 1;
391}
392
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393static void do_audio_out(AVFormatContext *s, OutputStream *ost,
394 AVFrame *frame)
ee458cb1
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395{
396 AVCodecContext *enc = ost->st->codec;
ee458cb1 397 AVPacket pkt;
369cb092 398 int got_packet = 0;
ee458cb1
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399
400 av_init_packet(&pkt);
401 pkt.data = NULL;
402 pkt.size = 0;
403
369cb092 404 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
9b9fc9ba 405 frame->pts = ost->sync_opts;
369cb092 406 ost->sync_opts = frame->pts + frame->nb_samples;
ee458cb1 407
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408 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
409 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
636ced8e 410 exit_program(1);
ee458cb1
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411 }
412
413 if (got_packet) {
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414 if (pkt.pts != AV_NOPTS_VALUE)
415 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
a75bc764
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416 if (pkt.dts != AV_NOPTS_VALUE)
417 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
ee458cb1
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418 if (pkt.duration > 0)
419 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
420
421 write_frame(s, &pkt, ost);
ee458cb1 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)
636ced8e 440 exit_program(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");
636ced8e 472 exit_program(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;
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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
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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");
636ced8e 561 exit_program(1);
39885a4b 562 }
6291d7e4 563
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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;
324fbadf 572
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573 /* if two pass, output log */
574 if (ost->logfile && enc->stats_out) {
575 fprintf(ost->logfile, "%s", enc->stats_out);
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576 }
577 }
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578 }
579 ost->sync_opts++;
580 /*
581 * For video, number of frames in == number of packets out.
582 * But there may be reordering, so we can't throw away frames on encoder
583 * flush, we need to limit them here, before they go into encoder.
584 */
585 ost->frame_number++;
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586}
587
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588static double psnr(double d)
589{
590 return -10.0 * log(d) / log(10.0);
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591}
592
70478746 593static void do_video_stats(OutputStream *ost, int frame_size)
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594{
595 AVCodecContext *enc;
596 int frame_number;
597 double ti1, bitrate, avg_bitrate;
598
599 /* this is executed just the first time do_video_stats is called */
600 if (!vstats_file) {
601 vstats_file = fopen(vstats_filename, "w");
602 if (!vstats_file) {
603 perror("fopen");
636ced8e 604 exit_program(1);
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605 }
606 }
607
608 enc = ost->st->codec;
609 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
610 frame_number = ost->frame_number;
7636c8c6 611 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
6291d7e4 612 if (enc->flags&CODEC_FLAG_PSNR)
7636c8c6 613 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
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614
615 fprintf(vstats_file,"f_size= %6d ", frame_size);
616 /* compute pts value */
617 ti1 = ost->sync_opts * av_q2d(enc->time_base);
618 if (ti1 < 0.01)
619 ti1 = 0.01;
620
7636c8c6 621 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
baeb59d8 622 avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
6291d7e4 623 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
baeb59d8 624 (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
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625 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
626 }
627}
628
c1ef30a6 629/*
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630 * Read one frame for lavfi output for ost and encode it.
631 */
632static int poll_filter(OutputStream *ost)
560f7774 633{
a4f50110 634 OutputFile *of = output_files[ost->file_index];
560f7774 635 AVFrame *filtered_frame = NULL;
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636 int frame_size, ret;
637
5b9c3b45 638 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
a4f50110 639 return AVERROR(ENOMEM);
674fa491 640 }
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641 filtered_frame = ost->filtered_frame;
642
643 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
644 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
9b2dc295 645 ret = av_buffersink_get_samples(ost->filter->filter, filtered_frame,
a4f50110
AK
646 ost->st->codec->frame_size);
647 else
9b2dc295 648 ret = av_buffersink_get_frame(ost->filter->filter, filtered_frame);
369cb092 649
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650 if (ret < 0)
651 return ret;
560f7774 652
9b2dc295 653 if (filtered_frame->pts != AV_NOPTS_VALUE) {
56ee3f9d 654 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
9b2dc295 655 filtered_frame->pts = av_rescale_q(filtered_frame->pts,
a4f50110
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656 ost->filter->filter->inputs[0]->time_base,
657 ost->st->codec->time_base) -
56ee3f9d 658 av_rescale_q(start_time,
a4f50110
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659 AV_TIME_BASE_Q,
660 ost->st->codec->time_base);
560f7774 661 }
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662
663 switch (ost->filter->filter->inputs[0]->type) {
664 case AVMEDIA_TYPE_VIDEO:
665 if (!ost->frame_aspect_ratio)
9b2dc295 666 ost->st->codec->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
a4f50110 667
fb722a90 668 do_video_out(of->ctx, ost, filtered_frame, &frame_size);
a4f50110 669 if (vstats_filename && frame_size)
70478746 670 do_video_stats(ost, frame_size);
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671 break;
672 case AVMEDIA_TYPE_AUDIO:
673 do_audio_out(of->ctx, ost, filtered_frame);
674 break;
675 default:
676 // TODO support subtitle filters
677 av_assert0(0);
678 }
679
9b2dc295 680 av_frame_unref(filtered_frame);
a4f50110 681
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682 return 0;
683}
684
c1ef30a6 685/*
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686 * Read as many frames from possible from lavfi and encode them.
687 *
688 * Always read from the active stream with the lowest timestamp. If no frames
689 * are available for it then return EAGAIN and wait for more input. This way we
690 * can use lavfi sources that generate unlimited amount of frames without memory
691 * usage exploding.
692 */
693static int poll_filters(void)
694{
3c0df905 695 int i, j, ret = 0;
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AK
696
697 while (ret >= 0 && !received_sigterm) {
698 OutputStream *ost = NULL;
699 int64_t min_pts = INT64_MAX;
700
701 /* choose output stream with the lowest timestamp */
702 for (i = 0; i < nb_output_streams; i++) {
703 int64_t pts = output_streams[i]->sync_opts;
704
57d24225 705 if (!output_streams[i]->filter || output_streams[i]->finished)
a4f50110
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706 continue;
707
708 pts = av_rescale_q(pts, output_streams[i]->st->codec->time_base,
709 AV_TIME_BASE_Q);
710 if (pts < min_pts) {
711 min_pts = pts;
712 ost = output_streams[i];
713 }
714 }
715
716 if (!ost)
717 break;
718
719 ret = poll_filter(ost);
720
721 if (ret == AVERROR_EOF) {
3c0df905
AK
722 OutputFile *of = output_files[ost->file_index];
723
57d24225 724 ost->finished = 1;
a4f50110 725
3c0df905
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726 if (of->shortest) {
727 for (j = 0; j < of->ctx->nb_streams; j++)
728 output_streams[of->ost_index + j]->finished = 1;
729 }
a4f50110
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730
731 ret = 0;
732 } else if (ret == AVERROR(EAGAIN))
733 return 0;
734 }
735
736 return ret;
737}
738
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AK
739static void print_final_stats(int64_t total_size)
740{
741 uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
742 uint64_t data_size = 0;
743 float percent = -1.0;
744 int i;
745
746 for (i = 0; i < nb_output_streams; i++) {
747 OutputStream *ost = output_streams[i];
748 switch (ost->st->codec->codec_type) {
749 case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
750 case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
751 default: other_size += ost->data_size; break;
752 }
753 extra_size += ost->st->codec->extradata_size;
754 data_size += ost->data_size;
755 }
756
757 if (data_size && total_size >= data_size)
758 percent = 100.0 * (total_size - data_size) / data_size;
759
760 av_log(NULL, AV_LOG_INFO, "\n");
761 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB other streams:%1.0fkB global headers:%1.0fkB muxing overhead: ",
762 video_size / 1024.0,
763 audio_size / 1024.0,
764 other_size / 1024.0,
765 extra_size / 1024.0);
766 if (percent >= 0.0)
767 av_log(NULL, AV_LOG_INFO, "%f%%", percent);
768 else
769 av_log(NULL, AV_LOG_INFO, "unknown");
770 av_log(NULL, AV_LOG_INFO, "\n");
771}
772
ea9367e9 773static void print_report(int is_last_report, int64_t timer_start)
6291d7e4
AK
774{
775 char buf[1024];
776 OutputStream *ost;
777 AVFormatContext *oc;
778 int64_t total_size;
779 AVCodecContext *enc;
780 int frame_number, vid, i;
781 double bitrate, ti1, pts;
782 static int64_t last_time = -1;
783 static int qp_histogram[52];
784
3460dd8a
AK
785 if (!print_stats && !is_last_report)
786 return;
787
6291d7e4
AK
788 if (!is_last_report) {
789 int64_t cur_time;
790 /* display the report every 0.5 seconds */
791 cur_time = av_gettime();
792 if (last_time == -1) {
793 last_time = cur_time;
794 return;
795 }
796 if ((cur_time - last_time) < 500000)
797 return;
798 last_time = cur_time;
799 }
800
801
2e215267 802 oc = output_files[0]->ctx;
6291d7e4
AK
803
804 total_size = avio_size(oc->pb);
1b891d17 805 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
7636c8c6 806 total_size = avio_tell(oc->pb);
1b891d17
JG
807 if (total_size < 0) {
808 char errbuf[128];
809 av_strerror(total_size, errbuf, sizeof(errbuf));
810 av_log(NULL, AV_LOG_VERBOSE, "Bitrate not available, "
811 "avio_tell() failed: %s\n", errbuf);
812 total_size = 0;
813 }
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AK
814
815 buf[0] = '\0';
816 ti1 = 1e10;
817 vid = 0;
ea9367e9 818 for (i = 0; i < nb_output_streams; i++) {
6291d7e4 819 float q = -1;
2e215267 820 ost = output_streams[i];
6291d7e4 821 enc = ost->st->codec;
3d813e4c 822 if (!ost->stream_copy && enc->coded_frame)
7636c8c6 823 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
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AK
824 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
825 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
826 }
827 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
7636c8c6 828 float t = (av_gettime() - timer_start) / 1000000.0;
6291d7e4
AK
829
830 frame_number = ost->frame_number;
831 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
7636c8c6
AD
832 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
833 if (is_last_report)
6291d7e4 834 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
7636c8c6 835 if (qp_hist) {
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AK
836 int j;
837 int qp = lrintf(q);
7636c8c6 838 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
6291d7e4 839 qp_histogram[qp]++;
7636c8c6 840 for (j = 0; j < 32; j++)
d752509b 841 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
6291d7e4 842 }
7636c8c6 843 if (enc->flags&CODEC_FLAG_PSNR) {
6291d7e4 844 int j;
7636c8c6
AD
845 double error, error_sum = 0;
846 double scale, scale_sum = 0;
847 char type[3] = { 'Y','U','V' };
6291d7e4 848 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
7636c8c6
AD
849 for (j = 0; j < 3; j++) {
850 if (is_last_report) {
851 error = enc->error[j];
852 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
853 } else {
854 error = enc->coded_frame->error[j];
855 scale = enc->width * enc->height * 255.0 * 255.0;
6291d7e4 856 }
7636c8c6
AD
857 if (j)
858 scale /= 4;
6291d7e4
AK
859 error_sum += error;
860 scale_sum += scale;
7636c8c6 861 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
6291d7e4 862 }
7636c8c6 863 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
6291d7e4
AK
864 }
865 vid = 1;
866 }
867 /* compute min output value */
868 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
869 if ((pts < ti1) && (pts > 0))
870 ti1 = pts;
871 }
872 if (ti1 < 0.01)
873 ti1 = 0.01;
874
e3245b26 875 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
6291d7e4 876
e3245b26 877 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
6291d7e4
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878 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
879 (double)total_size / 1024, ti1, bitrate);
880
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881 if (nb_frames_drop)
882 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " drop=%d",
883 nb_frames_drop);
6291d7e4 884
f5646a32 885 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
6291d7e4 886
e3245b26 887 fflush(stderr);
6291d7e4 888
a220b07b
AK
889 if (is_last_report)
890 print_final_stats(total_size);
baeb59d8 891
6291d7e4
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892}
893
ea9367e9 894static void flush_encoders(void)
4a4ce2e7
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895{
896 int i, ret;
897
ea9367e9 898 for (i = 0; i < nb_output_streams; i++) {
2e215267 899 OutputStream *ost = output_streams[i];
6f1c66d5 900 AVCodecContext *enc = ost->st->codec;
2e215267 901 AVFormatContext *os = output_files[ost->file_index]->ctx;
ee458cb1 902 int stop_encoding = 0;
6f1c66d5 903
b62b5cb6 904 if (!ost->encoding_needed)
6f1c66d5
AK
905 continue;
906
7636c8c6 907 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
6f1c66d5 908 continue;
36ef5369 909 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
6f1c66d5
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910 continue;
911
7636c8c6 912 for (;;) {
369cb092
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913 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
914 const char *desc;
6f1c66d5
AK
915
916 switch (ost->st->codec->codec_type) {
917 case AVMEDIA_TYPE_AUDIO:
369cb092
AK
918 encode = avcodec_encode_audio2;
919 desc = "Audio";
6f1c66d5
AK
920 break;
921 case AVMEDIA_TYPE_VIDEO:
369cb092
AK
922 encode = avcodec_encode_video2;
923 desc = "Video";
369cb092
AK
924 break;
925 default:
926 stop_encoding = 1;
927 }
928
929 if (encode) {
930 AVPacket pkt;
931 int got_packet;
932 av_init_packet(&pkt);
933 pkt.data = NULL;
934 pkt.size = 0;
935
936 ret = encode(enc, &pkt, NULL, &got_packet);
6f1c66d5 937 if (ret < 0) {
369cb092 938 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
636ced8e 939 exit_program(1);
6f1c66d5 940 }
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
AK
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
AK
968 OutputFile *of = output_files[ost->file_index];
969 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
7204ec1a
AK
970
971 if (ost->source_index != ist_index)
972 return 0;
973
56ee3f9d 974 if (of->start_time != AV_NOPTS_VALUE && ist->last_dts < of->start_time)
7204ec1a
AK
975 return 0;
976
7204ec1a
AK
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];
488a0fa6 983 InputFile *f = input_files [ist->file_index];
56ee3f9d
AK
984 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
985 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
7204ec1a
AK
986 AVPacket opkt;
987
988 av_init_packet(&opkt);
989
990 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
991 !ost->copy_initial_nonkeyframes)
992 return;
993
1270e12e 994 if (of->recording_time != INT64_MAX &&
56ee3f9d 995 ist->last_dts >= of->recording_time + start_time) {
57d24225 996 ost->finished = 1;
1270e12e
AK
997 return;
998 }
999
488a0fa6
AK
1000 if (f->recording_time != INT64_MAX) {
1001 start_time = f->ctx->start_time;
1002 if (f->start_time != AV_NOPTS_VALUE)
1003 start_time += f->start_time;
1004 if (ist->last_dts >= f->recording_time + start_time) {
1005 ost->finished = 1;
1006 return;
1007 }
1008 }
1009
7204ec1a 1010 /* force the input stream PTS */
baeb59d8 1011 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
7204ec1a 1012 ost->sync_opts++;
7204ec1a 1013
7204ec1a
AK
1014 if (pkt->pts != AV_NOPTS_VALUE)
1015 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1016 else
1017 opkt.pts = AV_NOPTS_VALUE;
1018
1019 if (pkt->dts == AV_NOPTS_VALUE)
23576b3f 1020 opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base);
7204ec1a
AK
1021 else
1022 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1023 opkt.dts -= ost_tb_start_time;
1024
1025 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1026 opkt.flags = pkt->flags;
1027
7636c8c6 1028 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
36ef5369
AK
1029 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
1030 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1031 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1032 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
7204ec1a 1033 ) {
c872d310
AK
1034 if (av_parser_change(ost->parser, ost->st->codec,
1035 &opkt.data, &opkt.size,
1036 pkt->data, pkt->size,
1037 pkt->flags & AV_PKT_FLAG_KEY)) {
9b2dc295
AK
1038 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1039 if (!opkt.buf)
636ced8e 1040 exit_program(1);
9b2dc295 1041 }
7204ec1a
AK
1042 } else {
1043 opkt.data = pkt->data;
1044 opkt.size = pkt->size;
1045 }
1046
f15f02c2 1047 write_frame(of->ctx, &opkt, ost);
7204ec1a 1048 ost->st->codec->frame_number++;
7204ec1a
AK
1049}
1050
f5e66827 1051int guess_input_channel_layout(InputStream *ist)
369cb092
AK
1052{
1053 AVCodecContext *dec = ist->st->codec;
1054
1055 if (!dec->channel_layout) {
1056 char layout_name[256];
1057
1058 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1059 if (!dec->channel_layout)
1060 return 0;
1061 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1062 dec->channels, dec->channel_layout);
1063 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1064 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1065 }
1066 return 1;
1067}
1068
0629f612 1069static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
ded28ba3 1070{
9b2dc295 1071 AVFrame *decoded_frame, *f;
d1241ff3 1072 AVCodecContext *avctx = ist->st->codec;
9b2dc295 1073 int i, ret, err = 0, resample_changed;
ded28ba3 1074
5b9c3b45 1075 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
d1241ff3 1076 return AVERROR(ENOMEM);
9b2dc295
AK
1077 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1078 return AVERROR(ENOMEM);
9179f27c 1079 decoded_frame = ist->decoded_frame;
ded28ba3 1080
d1241ff3 1081 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
f154ef1a
AK
1082 if (!*got_output || ret < 0) {
1083 if (!pkt->size) {
369cb092 1084 for (i = 0; i < ist->nb_filters; i++)
9b2dc295 1085 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
f154ef1a 1086 }
af8ad892 1087 return ret;
ded28ba3
AK
1088 }
1089
d1241ff3
JR
1090 /* if the decoder provides a pts, use it instead of the last packet pts.
1091 the decoder could be delaying output by a packet or more. */
1092 if (decoded_frame->pts != AV_NOPTS_VALUE)
3101bb66 1093 ist->next_dts = decoded_frame->pts;
369cb092
AK
1094 else if (pkt->pts != AV_NOPTS_VALUE) {
1095 decoded_frame->pts = pkt->pts;
1096 pkt->pts = AV_NOPTS_VALUE;
1097 }
ded28ba3 1098
369cb092
AK
1099 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1100 ist->resample_channels != avctx->channels ||
1101 ist->resample_channel_layout != decoded_frame->channel_layout ||
1102 ist->resample_sample_rate != decoded_frame->sample_rate;
1103 if (resample_changed) {
1104 char layout1[64], layout2[64];
ded28ba3 1105
369cb092
AK
1106 if (!guess_input_channel_layout(ist)) {
1107 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1108 "layout for Input Stream #%d.%d\n", ist->file_index,
1109 ist->st->index);
636ced8e 1110 exit_program(1);
369cb092
AK
1111 }
1112 decoded_frame->channel_layout = avctx->channel_layout;
1113
1114 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1115 ist->resample_channel_layout);
1116 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1117 decoded_frame->channel_layout);
1118
1119 av_log(NULL, AV_LOG_INFO,
1120 "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",
1121 ist->file_index, ist->st->index,
1122 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1123 ist->resample_channels, layout1,
1124 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1125 avctx->channels, layout2);
1126
1127 ist->resample_sample_fmt = decoded_frame->format;
1128 ist->resample_sample_rate = decoded_frame->sample_rate;
1129 ist->resample_channel_layout = decoded_frame->channel_layout;
1130 ist->resample_channels = avctx->channels;
1131
1132 for (i = 0; i < nb_filtergraphs; i++)
1133 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1134 configure_filtergraph(filtergraphs[i]) < 0) {
1135 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
636ced8e 1136 exit_program(1);
369cb092 1137 }
ded28ba3 1138 }
110d2af2 1139
715129cd
MS
1140 if (decoded_frame->pts != AV_NOPTS_VALUE)
1141 decoded_frame->pts = av_rescale_q(decoded_frame->pts,
1142 ist->st->time_base,
1143 (AVRational){1, ist->st->codec->sample_rate});
9b2dc295
AK
1144 for (i = 0; i < ist->nb_filters; i++) {
1145 if (i < ist->nb_filters - 1) {
1146 f = ist->filter_frame;
1147 err = av_frame_ref(f, decoded_frame);
1148 if (err < 0)
1149 break;
1150 } else
1151 f = decoded_frame;
369cb092 1152
9b2dc295
AK
1153 err = av_buffersrc_add_frame(ist->filters[i]->filter, f);
1154 if (err < 0)
1155 break;
1156 }
1157
1158 av_frame_unref(ist->filter_frame);
1159 av_frame_unref(decoded_frame);
1160 return err < 0 ? err : ret;
ded28ba3
AK
1161}
1162
0629f612 1163static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
45d4b66f 1164{
9b2dc295 1165 AVFrame *decoded_frame, *f;
9b2dc295 1166 int i, ret = 0, err = 0, resample_changed;
45d4b66f 1167
9b2dc295
AK
1168 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1169 return AVERROR(ENOMEM);
1170 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
45d4b66f 1171 return AVERROR(ENOMEM);
9179f27c 1172 decoded_frame = ist->decoded_frame;
45d4b66f
AK
1173
1174 ret = avcodec_decode_video2(ist->st->codec,
1175 decoded_frame, got_output, pkt);
f154ef1a
AK
1176 if (!*got_output || ret < 0) {
1177 if (!pkt->size) {
89605e4a 1178 for (i = 0; i < ist->nb_filters; i++)
9b2dc295 1179 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
f154ef1a 1180 }
af8ad892 1181 return ret;
45d4b66f 1182 }
f154ef1a 1183
07fd0a22
AK
1184 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
1185 err = ist->hwaccel_retrieve_data(ist->st->codec, decoded_frame);
1186 if (err < 0)
1187 goto fail;
1188 }
1189 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
1190
b34856a1
AK
1191 decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1192 decoded_frame->pkt_dts);
45d4b66f 1193 pkt->size = 0;
45d4b66f 1194
695ec04e
AK
1195 if (ist->st->sample_aspect_ratio.num)
1196 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1197
e77c8662
AK
1198 resample_changed = ist->resample_width != decoded_frame->width ||
1199 ist->resample_height != decoded_frame->height ||
1200 ist->resample_pix_fmt != decoded_frame->format;
1201 if (resample_changed) {
1202 av_log(NULL, AV_LOG_INFO,
1203 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1204 ist->file_index, ist->st->index,
1205 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1206 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1207
2f34021d
JG
1208 ret = poll_filters();
1209 if (ret < 0 && (ret != AVERROR_EOF && ret != AVERROR(EAGAIN)))
1210 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
1211
e77c8662
AK
1212 ist->resample_width = decoded_frame->width;
1213 ist->resample_height = decoded_frame->height;
1214 ist->resample_pix_fmt = decoded_frame->format;
e77c8662 1215
3b266da3
AK
1216 for (i = 0; i < nb_filtergraphs; i++)
1217 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1218 configure_filtergraph(filtergraphs[i]) < 0) {
ac646076 1219 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
636ced8e 1220 exit_program(1);
3b266da3
AK
1221 }
1222 }
ac646076 1223
3b266da3 1224 for (i = 0; i < ist->nb_filters; i++) {
9b2dc295
AK
1225 if (i < ist->nb_filters - 1) {
1226 f = ist->filter_frame;
1227 err = av_frame_ref(f, decoded_frame);
1228 if (err < 0)
1229 break;
04a14d4d 1230 } else
9b2dc295
AK
1231 f = decoded_frame;
1232
1233 err = av_buffersrc_add_frame(ist->filters[i]->filter, f);
1234 if (err < 0)
1235 break;
45d4b66f
AK
1236 }
1237
07fd0a22 1238fail:
9b2dc295
AK
1239 av_frame_unref(ist->filter_frame);
1240 av_frame_unref(decoded_frame);
9b2dc295 1241 return err < 0 ? err : ret;
45d4b66f
AK
1242}
1243
9595234c
AK
1244static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1245{
1246 AVSubtitle subtitle;
1247 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1248 &subtitle, got_output, pkt);
1249 if (ret < 0)
1250 return ret;
1251 if (!*got_output)
af8ad892 1252 return ret;
9595234c 1253
9595234c 1254 for (i = 0; i < nb_output_streams; i++) {
2e215267 1255 OutputStream *ost = output_streams[i];
9595234c
AK
1256
1257 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1258 continue;
1259
2e215267 1260 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
9595234c
AK
1261 }
1262
1263 avsubtitle_free(&subtitle);
af8ad892 1264 return ret;
9595234c
AK
1265}
1266
6291d7e4 1267/* pkt = NULL means EOF (needed to flush decoder buffers) */
ea9367e9 1268static int output_packet(InputStream *ist, const AVPacket *pkt)
6291d7e4 1269{
ffa0674e 1270 int i;
6291d7e4 1271 int got_output;
6291d7e4 1272 AVPacket avpkt;
6291d7e4 1273
3101bb66 1274 if (ist->next_dts == AV_NOPTS_VALUE)
23576b3f 1275 ist->next_dts = ist->last_dts;
6291d7e4
AK
1276
1277 if (pkt == NULL) {
1278 /* EOF handling */
1279 av_init_packet(&avpkt);
1280 avpkt.data = NULL;
1281 avpkt.size = 0;
1282 goto handle_eof;
1283 } else {
1284 avpkt = *pkt;
1285 }
1286
7636c8c6 1287 if (pkt->dts != AV_NOPTS_VALUE)
23576b3f 1288 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
6291d7e4 1289
7636c8c6 1290 // while we have more to decode or while the decoder did output something on EOF
2a651b71 1291 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
ffa0674e 1292 int ret = 0;
6291d7e4 1293 handle_eof:
6291d7e4 1294
23576b3f 1295 ist->last_dts = ist->next_dts;
8b0268a8
AK
1296
1297 if (avpkt.size && avpkt.size != pkt->size) {
e3245b26
AK
1298 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1299 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
8b0268a8
AK
1300 ist->showed_multi_packet_warning = 1;
1301 }
6291d7e4 1302
7636c8c6 1303 switch (ist->st->codec->codec_type) {
82963f8f 1304 case AVMEDIA_TYPE_AUDIO:
0629f612 1305 ret = decode_audio (ist, &avpkt, &got_output);
82963f8f
AK
1306 break;
1307 case AVMEDIA_TYPE_VIDEO:
0629f612 1308 ret = decode_video (ist, &avpkt, &got_output);
b34856a1
AK
1309 if (avpkt.duration)
1310 ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
aba232cf 1311 else if (ist->st->avg_frame_rate.num)
82494835 1312 ist->next_dts += av_rescale_q(1, av_inv_q(ist->st->avg_frame_rate),
722410ad 1313 AV_TIME_BASE_Q);
b34856a1
AK
1314 else if (ist->st->codec->time_base.num != 0) {
1315 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
1316 ist->st->codec->ticks_per_frame;
1317 ist->next_dts += av_rescale_q(ticks, ist->st->codec->time_base, AV_TIME_BASE_Q);
1318 }
82963f8f
AK
1319 break;
1320 case AVMEDIA_TYPE_SUBTITLE:
1321 ret = transcode_subtitles(ist, &avpkt, &got_output);
1322 break;
78162b4e
AK
1323 default:
1324 return -1;
1325 }
6291d7e4 1326
d3c1d37a
AK
1327 if (ret < 0)
1328 return ret;
aa38cff2
JG
1329 // touch data and size only if not EOF
1330 if (pkt) {
1331 avpkt.data += ret;
1332 avpkt.size -= ret;
1333 }
82963f8f 1334 if (!got_output) {
af8ad892 1335 continue;
82963f8f 1336 }
6291d7e4 1337 }
6291d7e4 1338
7204ec1a 1339 /* handle stream copy */
2a651b71 1340 if (!ist->decoding_needed) {
23576b3f 1341 ist->last_dts = ist->next_dts;
2a651b71
AK
1342 switch (ist->st->codec->codec_type) {
1343 case AVMEDIA_TYPE_AUDIO:
3101bb66 1344 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2a651b71
AK
1345 ist->st->codec->sample_rate;
1346 break;
1347 case AVMEDIA_TYPE_VIDEO:
1348 if (ist->st->codec->time_base.num != 0) {
7636c8c6 1349 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
3101bb66 1350 ist->next_dts += ((int64_t)AV_TIME_BASE *
2a651b71
AK
1351 ist->st->codec->time_base.num * ticks) /
1352 ist->st->codec->time_base.den;
1353 }
1354 break;
1355 }
1356 }
ea9367e9 1357 for (i = 0; pkt && i < nb_output_streams; i++) {
2e215267 1358 OutputStream *ost = output_streams[i];
7204ec1a
AK
1359
1360 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1361 continue;
1362
1363 do_streamcopy(ist, ost, pkt);
1364 }
1365
6291d7e4
AK
1366 return 0;
1367}
1368
ea9367e9 1369static void print_sdp(void)
6291d7e4 1370{
a23abaf3 1371 char sdp[16384];
af70aa45 1372 int i;
ea9367e9 1373 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
af70aa45
AK
1374
1375 if (!avc)
636ced8e 1376 exit_program(1);
ea9367e9 1377 for (i = 0; i < nb_output_files; i++)
2e215267 1378 avc[i] = output_files[i]->ctx;
6291d7e4 1379
ea9367e9 1380 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
6291d7e4
AK
1381 printf("SDP:\n%s\n", sdp);
1382 fflush(stdout);
af70aa45 1383 av_freep(&avc);
6291d7e4
AK
1384}
1385
07fd0a22
AK
1386static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
1387{
1388 int i;
1389 for (i = 0; hwaccels[i].name; i++)
1390 if (hwaccels[i].pix_fmt == pix_fmt)
1391 return &hwaccels[i];
1392 return NULL;
1393}
1394
1395static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
1396{
1397 InputStream *ist = s->opaque;
1398 const enum AVPixelFormat *p;
1399 int ret;
1400
1401 for (p = pix_fmts; *p != -1; p++) {
1402 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
1403 const HWAccel *hwaccel;
1404
1405 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
1406 break;
1407
1408 hwaccel = get_hwaccel(*p);
1409 if (!hwaccel ||
1410 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
1411 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
1412 continue;
1413
1414 ret = hwaccel->init(s);
1415 if (ret < 0) {
1416 if (ist->hwaccel_id == hwaccel->id) {
1417 av_log(NULL, AV_LOG_FATAL,
1418 "%s hwaccel requested for input stream #%d:%d, "
1419 "but cannot be initialized.\n", hwaccel->name,
1420 ist->file_index, ist->st->index);
1421 exit_program(1);
1422 }
1423 continue;
1424 }
1425 ist->active_hwaccel_id = hwaccel->id;
1426 ist->hwaccel_pix_fmt = *p;
1427 break;
1428 }
1429
1430 return *p;
1431}
1432
1433static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
1434{
1435 InputStream *ist = s->opaque;
1436
1437 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
1438 return ist->hwaccel_get_buffer(s, frame, flags);
1439
1440 return avcodec_default_get_buffer2(s, frame, flags);
1441}
1442
ea9367e9 1443static int init_input_stream(int ist_index, char *error, int error_len)
630902a1 1444{
c854102d 1445 int i, ret;
2e215267 1446 InputStream *ist = input_streams[ist_index];
630902a1
AK
1447 if (ist->decoding_needed) {
1448 AVCodec *codec = ist->dec;
630902a1 1449 if (!codec) {
9a414d89 1450 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
630902a1
AK
1451 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1452 return AVERROR(EINVAL);
1453 }
1454
1455 /* update requested sample format for the decoder based on the
1456 corresponding encoder sample format */
1457 for (i = 0; i < nb_output_streams; i++) {
2e215267 1458 OutputStream *ost = output_streams[i];
630902a1
AK
1459 if (ost->source_index == ist_index) {
1460 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1461 break;
1462 }
1463 }
1464
07fd0a22
AK
1465 ist->st->codec->opaque = ist;
1466 ist->st->codec->get_format = get_format;
1467 ist->st->codec->get_buffer2 = get_buffer;
1468 ist->st->codec->thread_safe_callbacks = 1;
1469
9b2dc295 1470 av_opt_set_int(ist->st->codec, "refcounted_frames", 1, 0);
64dca32c 1471
2473a45c
JG
1472 if (!av_dict_get(ist->opts, "threads", NULL, 0))
1473 av_dict_set(&ist->opts, "threads", "auto", 0);
c854102d 1474 if ((ret = avcodec_open2(ist->st->codec, codec, &ist->opts)) < 0) {
42cc6cef 1475 char errbuf[128];
c854102d
NC
1476 if (ret == AVERROR_EXPERIMENTAL)
1477 abort_codec_experimental(codec, 0);
42cc6cef
LB
1478
1479 av_strerror(ret, errbuf, sizeof(errbuf));
1480
1481 snprintf(error, error_len,
1482 "Error while opening decoder for input stream "
1483 "#%d:%d : %s",
1484 ist->file_index, ist->st->index, errbuf);
c854102d 1485 return ret;
630902a1 1486 }
630902a1
AK
1487 assert_avoptions(ist->opts);
1488 }
1489
23576b3f 1490 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 1491 ist->next_dts = AV_NOPTS_VALUE;
630902a1 1492 init_pts_correction(&ist->pts_ctx);
630902a1
AK
1493
1494 return 0;
1495}
1496
3b266da3
AK
1497static InputStream *get_input_stream(OutputStream *ost)
1498{
1499 if (ost->source_index >= 0)
1500 return input_streams[ost->source_index];
1501
1502 if (ost->filter) {
1503 FilterGraph *fg = ost->filter->graph;
1504 int i;
1505
1506 for (i = 0; i < fg->nb_inputs; i++)
1507 if (fg->inputs[i]->ist->st->codec->codec_type == ost->st->codec->codec_type)
1508 return fg->inputs[i]->ist;
1509 }
1510
1511 return NULL;
1512}
1513
19ad5673
AK
1514static void parse_forced_key_frames(char *kf, OutputStream *ost,
1515 AVCodecContext *avctx)
1516{
1517 char *p;
1518 int n = 1, i;
1519 int64_t t;
1520
1521 for (p = kf; *p; p++)
1522 if (*p == ',')
1523 n++;
1524 ost->forced_kf_count = n;
1525 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1526 if (!ost->forced_kf_pts) {
1527 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
636ced8e 1528 exit_program(1);
19ad5673 1529 }
4c679750
RD
1530
1531 p = kf;
19ad5673 1532 for (i = 0; i < n; i++) {
4c679750
RD
1533 char *next = strchr(p, ',');
1534
1535 if (next)
1536 *next++ = 0;
1537
19ad5673
AK
1538 t = parse_time_or_die("force_key_frames", p, 1);
1539 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
4c679750
RD
1540
1541 p = next;
19ad5673
AK
1542 }
1543}
1544
ea9367e9 1545static int transcode_init(void)
6291d7e4 1546{
2c474ddb 1547 int ret = 0, i, j, k;
1bb77e51 1548 AVFormatContext *oc;
a5fd7c60 1549 AVCodecContext *codec;
4288e031 1550 OutputStream *ost;
6291d7e4
AK
1551 InputStream *ist;
1552 char error[1024];
1553 int want_sdp = 1;
b0c9e8e0 1554
f4805328
AK
1555 /* init framerate emulation */
1556 for (i = 0; i < nb_input_files; i++) {
2e215267 1557 InputFile *ifile = input_files[i];
f4805328
AK
1558 if (ifile->rate_emu)
1559 for (j = 0; j < ifile->nb_streams; j++)
2e215267 1560 input_streams[j + ifile->ist_index]->start = av_gettime();
f4805328 1561 }
6291d7e4
AK
1562
1563 /* output stream init */
03f30c83 1564 for (i = 0; i < nb_output_files; i++) {
2e215267 1565 oc = output_files[i]->ctx;
1bb77e51
AK
1566 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
1567 av_dump_format(oc, i, oc->filename, 1);
e3245b26 1568 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
eaf2d37a 1569 return AVERROR(EINVAL);
6291d7e4 1570 }
6291d7e4
AK
1571 }
1572
3b266da3
AK
1573 /* init complex filtergraphs */
1574 for (i = 0; i < nb_filtergraphs; i++)
1575 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
1576 return ret;
1577
6291d7e4 1578 /* for each output stream, we compute the right encoding parameters */
4288e031 1579 for (i = 0; i < nb_output_streams; i++) {
a5fd7c60 1580 AVCodecContext *icodec = NULL;
2e215267
AK
1581 ost = output_streams[i];
1582 oc = output_files[ost->file_index]->ctx;
3b266da3 1583 ist = get_input_stream(ost);
6291d7e4 1584
4dbc6cee
AK
1585 if (ost->attachment_filename)
1586 continue;
1587
03f30c83 1588 codec = ost->st->codec;
6291d7e4 1589
3b266da3
AK
1590 if (ist) {
1591 icodec = ist->st->codec;
1592
1593 ost->st->disposition = ist->st->disposition;
1594 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
1595 codec->chroma_sample_location = icodec->chroma_sample_location;
1596 }
6291d7e4 1597
3d813e4c 1598 if (ost->stream_copy) {
538bf767 1599 AVRational sar;
8c4022ac
AK
1600 uint64_t extra_size;
1601
1602 av_assert0(ist && !ost->filter);
1603
1604 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
6291d7e4 1605
e6d2b737 1606 if (extra_size > INT_MAX) {
eaf2d37a 1607 return AVERROR(EINVAL);
e6d2b737 1608 }
6291d7e4
AK
1609
1610 /* if stream_copy is selected, no need to decode or encode */
03f30c83 1611 codec->codec_id = icodec->codec_id;
6291d7e4
AK
1612 codec->codec_type = icodec->codec_type;
1613
03f30c83
AK
1614 if (!codec->codec_tag) {
1615 if (!oc->oformat->codec_tag ||
1616 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
1617 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
6291d7e4
AK
1618 codec->codec_tag = icodec->codec_tag;
1619 }
1620
03f30c83 1621 codec->bit_rate = icodec->bit_rate;
6291d7e4
AK
1622 codec->rc_max_rate = icodec->rc_max_rate;
1623 codec->rc_buffer_size = icodec->rc_buffer_size;
4bf3c8f2 1624 codec->field_order = icodec->field_order;
03f30c83 1625 codec->extradata = av_mallocz(extra_size);
e6d2b737 1626 if (!codec->extradata) {
eaf2d37a 1627 return AVERROR(ENOMEM);
e6d2b737 1628 }
6291d7e4 1629 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
03f30c83 1630 codec->extradata_size = icodec->extradata_size;
7bb3e625 1631 if (!copy_tb) {
03f30c83 1632 codec->time_base = icodec->time_base;
6291d7e4
AK
1633 codec->time_base.num *= icodec->ticks_per_frame;
1634 av_reduce(&codec->time_base.num, &codec->time_base.den,
1635 codec->time_base.num, codec->time_base.den, INT_MAX);
03f30c83 1636 } else
6291d7e4 1637 codec->time_base = ist->st->time_base;
03f30c83 1638
c872d310
AK
1639 ost->parser = av_parser_init(codec->codec_id);
1640
7636c8c6 1641 switch (codec->codec_type) {
6291d7e4 1642 case AVMEDIA_TYPE_AUDIO:
7636c8c6 1643 if (audio_volume != 256) {
e3245b26 1644 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
636ced8e 1645 exit_program(1);
6291d7e4 1646 }
03f30c83
AK
1647 codec->channel_layout = icodec->channel_layout;
1648 codec->sample_rate = icodec->sample_rate;
1649 codec->channels = icodec->channels;
1650 codec->frame_size = icodec->frame_size;
6291d7e4 1651 codec->audio_service_type = icodec->audio_service_type;
03f30c83 1652 codec->block_align = icodec->block_align;
6291d7e4
AK
1653 break;
1654 case AVMEDIA_TYPE_VIDEO:
03f30c83
AK
1655 codec->pix_fmt = icodec->pix_fmt;
1656 codec->width = icodec->width;
1657 codec->height = icodec->height;
1658 codec->has_b_frames = icodec->has_b_frames;
538bf767
AK
1659 if (ost->frame_aspect_ratio)
1660 sar = av_d2q(ost->frame_aspect_ratio * codec->height / codec->width, 255);
1661 else if (ist->st->sample_aspect_ratio.num)
1662 sar = ist->st->sample_aspect_ratio;
1663 else
1664 sar = icodec->sample_aspect_ratio;
1665 ost->st->sample_aspect_ratio = codec->sample_aspect_ratio = sar;
6291d7e4
AK
1666 break;
1667 case AVMEDIA_TYPE_SUBTITLE:
03f30c83 1668 codec->width = icodec->width;
6291d7e4
AK
1669 codec->height = icodec->height;
1670 break;
1671 case AVMEDIA_TYPE_DATA:
3ccd1580 1672 case AVMEDIA_TYPE_ATTACHMENT:
6291d7e4
AK
1673 break;
1674 default:
1675 abort();
1676 }
1677 } else {
2994913d
AK
1678 if (!ost->enc) {
1679 /* should only happen when a default codec is not present. */
1680 snprintf(error, sizeof(error), "Automatic encoder selection "
1681 "failed for output stream #%d:%d. Default encoder for "
1682 "format %s is probably disabled. Please choose an "
1683 "encoder manually.\n", ost->file_index, ost->index,
1684 oc->oformat->name);
1685 ret = AVERROR(EINVAL);
1686 goto dump_format;
1687 }
03f30c83 1688
3b266da3
AK
1689 if (ist)
1690 ist->decoding_needed = 1;
11fdb7e1 1691 ost->encoding_needed = 1;
03f30c83 1692
74b961db
AK
1693 /*
1694 * We want CFR output if and only if one of those is true:
1695 * 1) user specified output framerate with -r
1696 * 2) user specified -vsync cfr
1697 * 3) output format is CFR and the user didn't force vsync to
1698 * something else than CFR
1699 *
1700 * in such a case, set ost->frame_rate
1701 */
1702 if (codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1703 !ost->frame_rate.num && ist &&
1704 (video_sync_method == VSYNC_CFR ||
1705 (video_sync_method == VSYNC_AUTO &&
1706 !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
2ce8bca5
AK
1707 if (ist->framerate.num)
1708 ost->frame_rate = ist->framerate;
1709 else if (ist->st->avg_frame_rate.num)
1710 ost->frame_rate = ist->st->avg_frame_rate;
1711 else {
1712 av_log(NULL, AV_LOG_WARNING, "Constant framerate requested "
1713 "for the output stream #%d:%d, but no information "
1714 "about the input framerate is available. Falling "
1715 "back to a default value of 25fps. Use the -r option "
1716 "if you want a different framerate.\n",
1717 ost->file_index, ost->index);
1718 ost->frame_rate = (AVRational){ 25, 1 };
1719 }
44b0b85f 1720
74b961db
AK
1721 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
1722 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
1723 ost->frame_rate = ost->enc->supported_framerates[idx];
1724 }
1725 }
1726
369cb092
AK
1727 if (!ost->filter &&
1728 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
1729 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
3b266da3
AK
1730 FilterGraph *fg;
1731 fg = init_simple_filtergraph(ist, ost);
8daf21d5 1732 if (configure_filtergraph(fg)) {
3b266da3 1733 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
636ced8e 1734 exit_program(1);
3b266da3 1735 }
369cb092 1736 }
3b266da3 1737
369cb092
AK
1738 switch (codec->codec_type) {
1739 case AVMEDIA_TYPE_AUDIO:
1740 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
1741 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
1742 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
1743 codec->channels = av_get_channel_layout_nb_channels(codec->channel_layout);
1744 codec->time_base = (AVRational){ 1, codec->sample_rate };
1745 break;
1746 case AVMEDIA_TYPE_VIDEO:
74b961db 1747 codec->time_base = ost->filter->filter->inputs[0]->time_base;
6291d7e4 1748
3b266da3
AK
1749 codec->width = ost->filter->filter->inputs[0]->w;
1750 codec->height = ost->filter->filter->inputs[0]->h;
1751 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
1752 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
1753 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
1754 ost->filter->filter->inputs[0]->sample_aspect_ratio;
1755 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
b7327887 1756
a5fd7c60
AK
1757 if (icodec &&
1758 (codec->width != icodec->width ||
1759 codec->height != icodec->height ||
1760 codec->pix_fmt != icodec->pix_fmt)) {
b7327887
AK
1761 codec->bits_per_raw_sample = 0;
1762 }
1763
19ad5673
AK
1764 if (ost->forced_keyframes)
1765 parse_forced_key_frames(ost->forced_keyframes, ost,
1766 ost->st->codec);
6291d7e4
AK
1767 break;
1768 case AVMEDIA_TYPE_SUBTITLE:
c9af8326 1769 codec->time_base = (AVRational){1, 1000};
6291d7e4
AK
1770 break;
1771 default:
1772 abort();
1773 break;
1774 }
1775 /* two pass mode */
515901fa 1776 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
6291d7e4
AK
1777 char logfilename[1024];
1778 FILE *f;
1779
1780 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
bbcedade
AK
1781 ost->logfile_prefix ? ost->logfile_prefix :
1782 DEFAULT_PASS_LOGFILENAME_PREFIX,
6291d7e4 1783 i);
6e8be949
AK
1784 if (!strcmp(ost->enc->name, "libx264")) {
1785 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
1786 } else {
64334ddb
AK
1787 if (codec->flags & CODEC_FLAG_PASS1) {
1788 f = fopen(logfilename, "wb");
1789 if (!f) {
1790 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
1791 logfilename, strerror(errno));
636ced8e 1792 exit_program(1);
64334ddb
AK
1793 }
1794 ost->logfile = f;
1795 } else {
1796 char *logbuffer;
1797 size_t logbuffer_size;
1798 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
1799 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
1800 logfilename);
636ced8e 1801 exit_program(1);
64334ddb
AK
1802 }
1803 codec->stats_in = logbuffer;
6291d7e4 1804 }
6e8be949 1805 }
6291d7e4
AK
1806 }
1807 }
6291d7e4
AK
1808 }
1809
1810 /* open each encoder */
4288e031 1811 for (i = 0; i < nb_output_streams; i++) {
2e215267 1812 ost = output_streams[i];
6291d7e4 1813 if (ost->encoding_needed) {
03f30c83 1814 AVCodec *codec = ost->enc;
3b266da3 1815 AVCodecContext *dec = NULL;
3b266da3
AK
1816
1817 if ((ist = get_input_stream(ost)))
1818 dec = ist->st->codec;
1819 if (dec && dec->subtitle_header) {
6291d7e4
AK
1820 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
1821 if (!ost->st->codec->subtitle_header) {
1822 ret = AVERROR(ENOMEM);
1823 goto dump_format;
1824 }
1825 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
1826 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
1827 }
2473a45c
JG
1828 if (!av_dict_get(ost->opts, "threads", NULL, 0))
1829 av_dict_set(&ost->opts, "threads", "auto", 0);
c854102d
NC
1830 if ((ret = avcodec_open2(ost->st->codec, codec, &ost->opts)) < 0) {
1831 if (ret == AVERROR_EXPERIMENTAL)
1832 abort_codec_experimental(codec, 1);
9a414d89 1833 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 1834 ost->file_index, ost->index);
6291d7e4
AK
1835 goto dump_format;
1836 }
6291d7e4
AK
1837 assert_avoptions(ost->opts);
1838 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
1839 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
1840 "It takes bits/s as argument, not kbits/s\n");
df0229a7
MS
1841 } else {
1842 av_opt_set_dict(ost->st->codec, &ost->opts);
6291d7e4
AK
1843 }
1844 }
1845
630902a1
AK
1846 /* init input streams */
1847 for (i = 0; i < nb_input_streams; i++)
ea9367e9 1848 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
630902a1 1849 goto dump_format;
6291d7e4 1850
2c474ddb
AK
1851 /* discard unused programs */
1852 for (i = 0; i < nb_input_files; i++) {
2e215267 1853 InputFile *ifile = input_files[i];
2c474ddb
AK
1854 for (j = 0; j < ifile->ctx->nb_programs; j++) {
1855 AVProgram *p = ifile->ctx->programs[j];
1856 int discard = AVDISCARD_ALL;
1857
1858 for (k = 0; k < p->nb_stream_indexes; k++)
2e215267 1859 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2c474ddb
AK
1860 discard = AVDISCARD_DEFAULT;
1861 break;
1862 }
1863 p->discard = discard;
1864 }
1865 }
1866
6291d7e4 1867 /* open files and write file headers */
af70aa45 1868 for (i = 0; i < nb_output_files; i++) {
2e215267 1869 oc = output_files[i]->ctx;
1bb77e51 1870 oc->interrupt_callback = int_cb;
a1a6cdc2
MS
1871 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
1872 char errbuf[128];
1e340af8
LB
1873 av_strerror(ret, errbuf, sizeof(errbuf));
1874 snprintf(error, sizeof(error),
1875 "Could not write header for output file #%d "
1876 "(incorrect codec parameters ?): %s",
1877 i, errbuf);
6291d7e4
AK
1878 ret = AVERROR(EINVAL);
1879 goto dump_format;
1880 }
2e215267 1881 assert_avoptions(output_files[i]->opts);
1bb77e51 1882 if (strcmp(oc->oformat->name, "rtp")) {
6291d7e4
AK
1883 want_sdp = 0;
1884 }
1885 }
1886
1887 dump_format:
1888 /* dump the file output parameters - cannot be done before in case
1889 of stream copy */
03f30c83 1890 for (i = 0; i < nb_output_files; i++) {
2e215267 1891 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
6291d7e4
AK
1892 }
1893
1894 /* dump the stream mapping */
e3245b26 1895 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3b266da3
AK
1896 for (i = 0; i < nb_input_streams; i++) {
1897 ist = input_streams[i];
1898
1899 for (j = 0; j < ist->nb_filters; j++) {
3b266da3
AK
1900 if (ist->filters[j]->graph->graph_desc) {
1901 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
1902 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
cf6c38c6 1903 ist->filters[j]->name);
3b266da3
AK
1904 if (nb_filtergraphs > 1)
1905 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
1906 av_log(NULL, AV_LOG_INFO, "\n");
1907 }
1908 }
1909 }
1910
e3245b26 1911 for (i = 0; i < nb_output_streams; i++) {
2e215267 1912 ost = output_streams[i];
4dbc6cee
AK
1913
1914 if (ost->attachment_filename) {
1915 /* an attached file */
1916 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
1917 ost->attachment_filename, ost->file_index, ost->index);
1918 continue;
1919 }
3b266da3
AK
1920
1921 if (ost->filter && ost->filter->graph->graph_desc) {
1922 /* output from a complex graph */
cf6c38c6 1923 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3b266da3
AK
1924 if (nb_filtergraphs > 1)
1925 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
1926
1927 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
1928 ost->index, ost->enc ? ost->enc->name : "?");
1929 continue;
1930 }
1931
9a414d89 1932 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2e215267
AK
1933 input_streams[ost->source_index]->file_index,
1934 input_streams[ost->source_index]->st->index,
e3245b26
AK
1935 ost->file_index,
1936 ost->index);
2e215267 1937 if (ost->sync_ist != input_streams[ost->source_index])
9a414d89 1938 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
e3245b26
AK
1939 ost->sync_ist->file_index,
1940 ost->sync_ist->st->index);
3d813e4c 1941 if (ost->stream_copy)
e3245b26
AK
1942 av_log(NULL, AV_LOG_INFO, " (copy)");
1943 else
2e215267
AK
1944 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
1945 input_streams[ost->source_index]->dec->name : "?",
e3245b26
AK
1946 ost->enc ? ost->enc->name : "?");
1947 av_log(NULL, AV_LOG_INFO, "\n");
6291d7e4
AK
1948 }
1949
1950 if (ret) {
e3245b26 1951 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
eaf2d37a 1952 return ret;
6291d7e4
AK
1953 }
1954
1955 if (want_sdp) {
ea9367e9 1956 print_sdp();
6291d7e4
AK
1957 }
1958
eaf2d37a
AC
1959 return 0;
1960}
1961
c1ef30a6 1962/* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
2f51ec2b
AK
1963static int need_output(void)
1964{
1965 int i;
1966
1967 for (i = 0; i < nb_output_streams; i++) {
1968 OutputStream *ost = output_streams[i];
1969 OutputFile *of = output_files[ost->file_index];
1970 AVFormatContext *os = output_files[ost->file_index]->ctx;
1971
57d24225 1972 if (ost->finished ||
2f51ec2b
AK
1973 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
1974 continue;
e58b75f7 1975 if (ost->frame_number >= ost->max_frames) {
2f51ec2b
AK
1976 int j;
1977 for (j = 0; j < of->ctx->nb_streams; j++)
57d24225 1978 output_streams[of->ost_index + j]->finished = 1;
2f51ec2b
AK
1979 continue;
1980 }
1981
1982 return 1;
1983 }
1984
1985 return 0;
1986}
1987
83916029 1988static InputFile *select_input_file(void)
a508e7a1 1989{
83916029 1990 InputFile *ifile = NULL;
a508e7a1 1991 int64_t ipts_min = INT64_MAX;
83916029 1992 int i;
a508e7a1
AK
1993
1994 for (i = 0; i < nb_input_streams; i++) {
1995 InputStream *ist = input_streams[i];
1996 int64_t ipts = ist->last_dts;
1997
0b26ef42 1998 if (ist->discard || input_files[ist->file_index]->eagain)
a508e7a1
AK
1999 continue;
2000 if (!input_files[ist->file_index]->eof_reached) {
2001 if (ipts < ipts_min) {
2002 ipts_min = ipts;
83916029 2003 ifile = input_files[ist->file_index];
a508e7a1
AK
2004 }
2005 }
2006 }
2007
83916029 2008 return ifile;
a508e7a1
AK
2009}
2010
47b812e9 2011#if HAVE_PTHREADS
5db5169e
AK
2012static void *input_thread(void *arg)
2013{
2014 InputFile *f = arg;
2015 int ret = 0;
2016
2017 while (!transcoding_finished && ret >= 0) {
2018 AVPacket pkt;
2019 ret = av_read_frame(f->ctx, &pkt);
2020
2021 if (ret == AVERROR(EAGAIN)) {
896bb0d7 2022 av_usleep(10000);
5db5169e
AK
2023 ret = 0;
2024 continue;
2025 } else if (ret < 0)
2026 break;
2027
2028 pthread_mutex_lock(&f->fifo_lock);
2029 while (!av_fifo_space(f->fifo))
2030 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
2031
2032 av_dup_packet(&pkt);
2033 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
2034
2035 pthread_mutex_unlock(&f->fifo_lock);
2036 }
2037
2038 f->finished = 1;
2039 return NULL;
2040}
2041
2042static void free_input_threads(void)
2043{
2044 int i;
2045
2046 if (nb_input_files == 1)
2047 return;
2048
2049 transcoding_finished = 1;
2050
2051 for (i = 0; i < nb_input_files; i++) {
2052 InputFile *f = input_files[i];
2053 AVPacket pkt;
2054
9034b0ed 2055 if (!f->fifo || f->joined)
5db5169e
AK
2056 continue;
2057
2058 pthread_mutex_lock(&f->fifo_lock);
2059 while (av_fifo_size(f->fifo)) {
2060 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2061 av_free_packet(&pkt);
2062 }
2063 pthread_cond_signal(&f->fifo_cond);
2064 pthread_mutex_unlock(&f->fifo_lock);
2065
2066 pthread_join(f->thread, NULL);
2067 f->joined = 1;
2068
2069 while (av_fifo_size(f->fifo)) {
2070 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2071 av_free_packet(&pkt);
2072 }
2073 av_fifo_free(f->fifo);
2074 }
2075}
2076
2077static int init_input_threads(void)
2078{
2079 int i, ret;
2080
2081 if (nb_input_files == 1)
2082 return 0;
2083
2084 for (i = 0; i < nb_input_files; i++) {
2085 InputFile *f = input_files[i];
2086
2087 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
2088 return AVERROR(ENOMEM);
2089
2090 pthread_mutex_init(&f->fifo_lock, NULL);
2091 pthread_cond_init (&f->fifo_cond, NULL);
2092
2093 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
2094 return AVERROR(ret);
2095 }
2096 return 0;
2097}
2098
2099static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
2100{
2101 int ret = 0;
2102
2103 pthread_mutex_lock(&f->fifo_lock);
2104
2105 if (av_fifo_size(f->fifo)) {
2106 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
2107 pthread_cond_signal(&f->fifo_cond);
2108 } else {
2109 if (f->finished)
2110 ret = AVERROR_EOF;
2111 else
2112 ret = AVERROR(EAGAIN);
2113 }
2114
2115 pthread_mutex_unlock(&f->fifo_lock);
2116
2117 return ret;
2118}
2119#endif
2120
2121static int get_input_packet(InputFile *f, AVPacket *pkt)
2122{
b4a5a292
AK
2123 if (f->rate_emu) {
2124 int i;
2125 for (i = 0; i < f->nb_streams; i++) {
2126 InputStream *ist = input_streams[f->ist_index + i];
2127 int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
2128 int64_t now = av_gettime() - ist->start;
2129 if (pts > now)
2130 return AVERROR(EAGAIN);
2131 }
2132 }
2133
47b812e9 2134#if HAVE_PTHREADS
5db5169e
AK
2135 if (nb_input_files > 1)
2136 return get_input_packet_mt(f, pkt);
2137#endif
2138 return av_read_frame(f->ctx, pkt);
2139}
2140
0b26ef42
AK
2141static int got_eagain(void)
2142{
2143 int i;
2144 for (i = 0; i < nb_input_files; i++)
2145 if (input_files[i]->eagain)
2146 return 1;
2147 return 0;
2148}
2149
2150static void reset_eagain(void)
2151{
2152 int i;
2153 for (i = 0; i < nb_input_files; i++)
2154 input_files[i]->eagain = 0;
2155}
2156
c1ef30a6 2157/*
0c00fd80
AK
2158 * Read one packet from an input file and send it for
2159 * - decoding -> lavfi (audio/video)
2160 * - decoding -> encoding -> muxing (subtitles)
2161 * - muxing (streamcopy)
2162 *
c1ef30a6 2163 * Return
0c00fd80
AK
2164 * - 0 -- one packet was read and processed
2165 * - AVERROR(EAGAIN) -- no packets were available for selected file,
2166 * this function should be called again
2167 * - AVERROR_EOF -- this function should not be called again
2168 */
2169static int process_input(void)
2170{
2171 InputFile *ifile;
2172 AVFormatContext *is;
2173 InputStream *ist;
2174 AVPacket pkt;
2175 int ret, i, j;
2176
2177 /* select the stream that we must read now */
2178 ifile = select_input_file();
2179 /* if none, if is finished */
2180 if (!ifile) {
2181 if (got_eagain()) {
2182 reset_eagain();
2183 av_usleep(10000);
2184 return AVERROR(EAGAIN);
2185 }
2186 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from.\n");
2187 return AVERROR_EOF;
2188 }
2189
2190 is = ifile->ctx;
2191 ret = get_input_packet(ifile, &pkt);
2192
2193 if (ret == AVERROR(EAGAIN)) {
2194 ifile->eagain = 1;
2195 return ret;
2196 }
2197 if (ret < 0) {
2198 if (ret != AVERROR_EOF) {
2199 print_error(is->filename, ret);
2200 if (exit_on_error)
636ced8e 2201 exit_program(1);
0c00fd80
AK
2202 }
2203 ifile->eof_reached = 1;
2204
2205 for (i = 0; i < ifile->nb_streams; i++) {
2206 ist = input_streams[ifile->ist_index + i];
2207 if (ist->decoding_needed)
2208 output_packet(ist, NULL);
2209
2210 /* mark all outputs that don't go through lavfi as finished */
2211 for (j = 0; j < nb_output_streams; j++) {
2212 OutputStream *ost = output_streams[j];
2213
2214 if (ost->source_index == ifile->ist_index + i &&
2215 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
57d24225 2216 ost->finished= 1;
0c00fd80
AK
2217 }
2218 }
2219
3c0df905 2220 return AVERROR(EAGAIN);
0c00fd80
AK
2221 }
2222
2223 reset_eagain();
2224
2225 if (do_pkt_dump) {
2226 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2227 is->streams[pkt.stream_index]);
2228 }
2229 /* the following test is needed in case new streams appear
2230 dynamically in stream : we ignore them */
2231 if (pkt.stream_index >= ifile->nb_streams)
2232 goto discard_packet;
2233
2234 ist = input_streams[ifile->ist_index + pkt.stream_index];
59444c76 2235 ist->nb_packets++;
0c00fd80
AK
2236 if (ist->discard)
2237 goto discard_packet;
2238
59444c76
AK
2239 /* add the stream-global side data to the first packet */
2240 if (ist->nb_packets == 1)
2241 for (i = 0; i < ist->st->nb_side_data; i++) {
2242 AVPacketSideData *src_sd = &ist->st->side_data[i];
2243 uint8_t *dst_data;
2244
2245 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
2246 continue;
2247
2248 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
2249 if (!dst_data)
2250 exit_program(1);
2251
2252 memcpy(dst_data, src_sd->data, src_sd->size);
2253 }
2254
0c00fd80
AK
2255 if (pkt.dts != AV_NOPTS_VALUE)
2256 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2257 if (pkt.pts != AV_NOPTS_VALUE)
2258 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2259
2260 if (pkt.pts != AV_NOPTS_VALUE)
2261 pkt.pts *= ist->ts_scale;
2262 if (pkt.dts != AV_NOPTS_VALUE)
2263 pkt.dts *= ist->ts_scale;
2264
2265 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
2266 (is->iformat->flags & AVFMT_TS_DISCONT)) {
2267 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2268 int64_t delta = pkt_dts - ist->next_dts;
2269
2270 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
2271 ifile->ts_offset -= delta;
2272 av_log(NULL, AV_LOG_DEBUG,
2273 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2274 delta, ifile->ts_offset);
2275 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2276 if (pkt.pts != AV_NOPTS_VALUE)
2277 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2278 }
2279 }
2280
2281 ret = output_packet(ist, &pkt);
2282 if (ret < 0) {
2283 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
2284 ist->file_index, ist->st->index);
2285 if (exit_on_error)
636ced8e 2286 exit_program(1);
0c00fd80
AK
2287 }
2288
2289discard_packet:
2290 av_free_packet(&pkt);
2291
2292 return 0;
2293}
2294
eaf2d37a
AC
2295/*
2296 * The following code is the main loop of the file converter
2297 */
ea9367e9 2298static int transcode(void)
eaf2d37a 2299{
0c00fd80
AK
2300 int ret, i, need_input = 1;
2301 AVFormatContext *os;
eaf2d37a
AC
2302 OutputStream *ost;
2303 InputStream *ist;
eaf2d37a
AC
2304 int64_t timer_start;
2305
ea9367e9 2306 ret = transcode_init();
eaf2d37a
AC
2307 if (ret < 0)
2308 goto fail;
2309
e3245b26 2310 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
6291d7e4
AK
2311 term_init();
2312
2313 timer_start = av_gettime();
2314
47b812e9 2315#if HAVE_PTHREADS
5db5169e
AK
2316 if ((ret = init_input_threads()) < 0)
2317 goto fail;
2318#endif
2319
c0fbf971 2320 while (!received_sigterm) {
3b266da3 2321 /* check if there's any stream where output is still needed */
2f51ec2b
AK
2322 if (!need_output()) {
2323 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3b266da3 2324 break;
2f51ec2b 2325 }
3b266da3 2326
0c00fd80
AK
2327 /* read and process one input packet if needed */
2328 if (need_input) {
2329 ret = process_input();
2330 if (ret == AVERROR_EOF)
2331 need_input = 0;
6291d7e4
AK
2332 }
2333
0c00fd80 2334 ret = poll_filters();
6291d7e4 2335 if (ret < 0) {
0c00fd80 2336 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
6291d7e4 2337 continue;
6291d7e4 2338
0c00fd80
AK
2339 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
2340 break;
6291d7e4
AK
2341 }
2342
6291d7e4 2343 /* dump report by using the output first video and audio streams */
ea9367e9 2344 print_report(0, timer_start);
6291d7e4 2345 }
47b812e9 2346#if HAVE_PTHREADS
5db5169e
AK
2347 free_input_threads();
2348#endif
6291d7e4
AK
2349
2350 /* at the end of stream, we must flush the decoder buffers */
2351 for (i = 0; i < nb_input_streams; i++) {
2e215267 2352 ist = input_streams[i];
9e8aae44 2353 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
ea9367e9 2354 output_packet(ist, NULL);
6291d7e4
AK
2355 }
2356 }
560f7774 2357 poll_filters();
ea9367e9 2358 flush_encoders();
6291d7e4
AK
2359
2360 term_exit();
2361
2362 /* write the trailer if needed and close file */
7636c8c6 2363 for (i = 0; i < nb_output_files; i++) {
2e215267 2364 os = output_files[i]->ctx;
6291d7e4
AK
2365 av_write_trailer(os);
2366 }
2367
2368 /* dump report by using the first video and audio streams */
ea9367e9 2369 print_report(1, timer_start);
6291d7e4
AK
2370
2371 /* close each encoder */
4288e031 2372 for (i = 0; i < nb_output_streams; i++) {
2e215267 2373 ost = output_streams[i];
6291d7e4
AK
2374 if (ost->encoding_needed) {
2375 av_freep(&ost->st->codec->stats_in);
2376 avcodec_close(ost->st->codec);
2377 }
6291d7e4
AK
2378 }
2379
2380 /* close each decoder */
2381 for (i = 0; i < nb_input_streams; i++) {
2e215267 2382 ist = input_streams[i];
6291d7e4
AK
2383 if (ist->decoding_needed) {
2384 avcodec_close(ist->st->codec);
07fd0a22
AK
2385 if (ist->hwaccel_uninit)
2386 ist->hwaccel_uninit(ist->st->codec);
6291d7e4
AK
2387 }
2388 }
2389
2390 /* finished ! */
2391 ret = 0;
2392
2393 fail:
47b812e9 2394#if HAVE_PTHREADS
5db5169e
AK
2395 free_input_threads();
2396#endif
6291d7e4 2397
4288e031
AK
2398 if (output_streams) {
2399 for (i = 0; i < nb_output_streams; i++) {
2e215267 2400 ost = output_streams[i];
6291d7e4 2401 if (ost) {
3d813e4c 2402 if (ost->stream_copy)
6291d7e4
AK
2403 av_freep(&ost->st->codec->extradata);
2404 if (ost->logfile) {
2405 fclose(ost->logfile);
2406 ost->logfile = NULL;
2407 }
6291d7e4 2408 av_freep(&ost->st->codec->subtitle_header);
6291d7e4 2409 av_free(ost->forced_kf_pts);
6291d7e4 2410 av_dict_free(&ost->opts);
5c7db097 2411 av_dict_free(&ost->resample_opts);
6291d7e4
AK
2412 }
2413 }
6291d7e4
AK
2414 }
2415 return ret;
2416}
2417
f5e66827 2418static int64_t getutime(void)
a2c0b830 2419{
f5e66827
AK
2420#if HAVE_GETRUSAGE
2421 struct rusage rusage;
a2c0b830 2422
f5e66827
AK
2423 getrusage(RUSAGE_SELF, &rusage);
2424 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2425#elif HAVE_GETPROCESSTIMES
2426 HANDLE proc;
2427 FILETIME c, e, k, u;
2428 proc = GetCurrentProcess();
2429 GetProcessTimes(proc, &c, &e, &k, &u);
2430 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
2431#else
2432 return av_gettime();
2433#endif
a2c0b830
AK
2434}
2435
f5e66827 2436static int64_t getmaxrss(void)
6291d7e4 2437{
f5e66827
AK
2438#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
2439 struct rusage rusage;
2440 getrusage(RUSAGE_SELF, &rusage);
2441 return (int64_t)rusage.ru_maxrss * 1024;
2442#elif HAVE_GETPROCESSMEMORYINFO
2443 HANDLE proc;
2444 PROCESS_MEMORY_COUNTERS memcounters;
2445 proc = GetCurrentProcess();
2446 memcounters.cb = sizeof(memcounters);
2447 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
2448 return memcounters.PeakPagefileUsage;
2449#else
6291d7e4 2450 return 0;
f5e66827 2451#endif
6291d7e4
AK
2452}
2453
6291d7e4
AK
2454int main(int argc, char **argv)
2455{
77bd1bc7 2456 int ret;
6291d7e4
AK
2457 int64_t ti;
2458
636ced8e 2459 register_exit(avconv_cleanup);
5e3f9979 2460
6291d7e4 2461 av_log_set_flags(AV_LOG_SKIP_REPEATED);
182cbe43 2462 parse_loglevel(argc, argv, options);
6291d7e4
AK
2463
2464 avcodec_register_all();
2465#if CONFIG_AVDEVICE
2466 avdevice_register_all();
2467#endif
6291d7e4 2468 avfilter_register_all();
6291d7e4 2469 av_register_all();
776f2bb9 2470 avformat_network_init();
6291d7e4 2471
6291d7e4
AK
2472 show_banner();
2473
77bd1bc7
AK
2474 /* parse options and open all input/output files */
2475 ret = avconv_parse_options(argc, argv);
2476 if (ret < 0)
636ced8e 2477 exit_program(1);
6291d7e4 2478
7636c8c6 2479 if (nb_output_files <= 0 && nb_input_files == 0) {
6291d7e4 2480 show_usage();
e3245b26 2481 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
636ced8e 2482 exit_program(1);
6291d7e4
AK
2483 }
2484
2485 /* file converter / grab */
2486 if (nb_output_files <= 0) {
2487 fprintf(stderr, "At least one output file must be specified\n");
636ced8e 2488 exit_program(1);
6291d7e4
AK
2489 }
2490
6291d7e4 2491 ti = getutime();
ea9367e9 2492 if (transcode() < 0)
636ced8e 2493 exit_program(1);
6291d7e4
AK
2494 ti = getutime() - ti;
2495 if (do_benchmark) {
2496 int maxrss = getmaxrss() / 1024;
2497 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
2498 }
2499
636ced8e 2500 exit_program(0);
dad09ff9 2501 return 0;
6291d7e4 2502}