lavf: switch to AVCodecContext.framerate for demuxing
[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++) {
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148 FilterGraph *fg = filtergraphs[i];
149 avfilter_graph_free(&fg->graph);
150 for (j = 0; j < fg->nb_inputs; j++) {
151 av_freep(&fg->inputs[j]->name);
152 av_freep(&fg->inputs[j]);
cf6c38c6 153 }
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154 av_freep(&fg->inputs);
155 for (j = 0; j < fg->nb_outputs; j++) {
156 av_freep(&fg->outputs[j]->name);
157 av_freep(&fg->outputs[j]);
cf6c38c6 158 }
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159 av_freep(&fg->outputs);
160 av_freep(&fg->graph_desc);
161
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162 av_freep(&filtergraphs[i]);
163 }
164 av_freep(&filtergraphs);
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165
166 /* close files */
7636c8c6 167 for (i = 0; i < nb_output_files; i++) {
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168 OutputFile *of = output_files[i];
169 AVFormatContext *s = of->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(&of->opts);
174
2e215267 175 av_freep(&output_files[i]);
6291d7e4 176 }
1135a071 177 for (i = 0; i < nb_output_streams; i++) {
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178 OutputStream *ost = output_streams[i];
179 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
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180 while (bsfc) {
181 AVBitStreamFilterContext *next = bsfc->next;
182 av_bitstream_filter_close(bsfc);
183 bsfc = next;
184 }
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185 ost->bitstream_filters = NULL;
186 av_frame_free(&ost->filtered_frame);
187
188 av_parser_close(ost->parser);
ac646076 189
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190 av_freep(&ost->forced_keyframes);
191 av_freep(&ost->avfilter);
192 av_freep(&ost->logfile_prefix);
c872d310 193
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194 avcodec_free_context(&ost->enc_ctx);
195
2e215267 196 av_freep(&output_streams[i]);
1135a071 197 }
7636c8c6 198 for (i = 0; i < nb_input_files; i++) {
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199 avformat_close_input(&input_files[i]->ctx);
200 av_freep(&input_files[i]);
6291d7e4 201 }
9179f27c 202 for (i = 0; i < nb_input_streams; i++) {
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203 InputStream *ist = input_streams[i];
204
205 av_frame_free(&ist->decoded_frame);
206 av_frame_free(&ist->filter_frame);
f3a6ad22 207 av_dict_free(&ist->decoder_opts);
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208 av_freep(&ist->filters);
209 av_freep(&ist->hwaccel_device);
210
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211 avcodec_free_context(&ist->dec_ctx);
212
2e215267 213 av_freep(&input_streams[i]);
9179f27c 214 }
6291d7e4 215
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216 if (vstats_file)
217 fclose(vstats_file);
218 av_free(vstats_filename);
219
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220 av_freep(&input_streams);
221 av_freep(&input_files);
4288e031 222 av_freep(&output_streams);
af70aa45 223 av_freep(&output_files);
6291d7e4 224
6291d7e4 225 uninit_opts();
6291d7e4 226
776f2bb9 227 avformat_network_deinit();
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228
229 if (received_sigterm) {
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230 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
231 (int) received_sigterm);
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232 exit (255);
233 }
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234}
235
f5e66827 236void assert_avoptions(AVDictionary *m)
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237{
238 AVDictionaryEntry *t;
239 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
f24facd3 240 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
636ced8e 241 exit_program(1);
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242 }
243}
244
c854102d 245static void abort_codec_experimental(AVCodec *c, int encoder)
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246{
247 const char *codec_string = encoder ? "encoder" : "decoder";
248 AVCodec *codec;
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249 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
250 "results.\nAdd '-strict experimental' if you want to use it.\n",
251 codec_string, c->name);
252 codec = encoder ? avcodec_find_encoder(c->id) : avcodec_find_decoder(c->id);
253 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
254 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
255 codec_string, codec->name);
636ced8e 256 exit_program(1);
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257}
258
c1ef30a6 259/*
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260 * Update the requested input sample format based on the output sample format.
261 * This is currently only used to request float output from decoders which
262 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
263 * Ideally this will be removed in the future when decoders do not do format
264 * conversion and only output in their native format.
265 */
266static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
267 AVCodecContext *enc)
268{
269 /* if sample formats match or a decoder sample format has already been
270 requested, just return */
271 if (enc->sample_fmt == dec->sample_fmt ||
272 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
273 return;
274
275 /* if decoder supports more than one output format */
276 if (dec_codec && dec_codec->sample_fmts &&
277 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
278 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
279 const enum AVSampleFormat *p;
fd41cb43
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280 int min_dec = INT_MAX, min_inc = INT_MAX;
281 enum AVSampleFormat dec_fmt = AV_SAMPLE_FMT_NONE;
282 enum AVSampleFormat inc_fmt = AV_SAMPLE_FMT_NONE;
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283
284 /* find a matching sample format in the encoder */
285 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
286 if (*p == enc->sample_fmt) {
287 dec->request_sample_fmt = *p;
288 return;
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289 } else {
290 enum AVSampleFormat dfmt = av_get_packed_sample_fmt(*p);
291 enum AVSampleFormat efmt = av_get_packed_sample_fmt(enc->sample_fmt);
292 int fmt_diff = 32 * abs(dfmt - efmt);
293 if (av_sample_fmt_is_planar(*p) !=
294 av_sample_fmt_is_planar(enc->sample_fmt))
295 fmt_diff++;
296 if (dfmt == efmt) {
297 min_inc = fmt_diff;
298 inc_fmt = *p;
299 } else if (dfmt > efmt) {
300 if (fmt_diff < min_inc) {
301 min_inc = fmt_diff;
302 inc_fmt = *p;
303 }
304 } else {
305 if (fmt_diff < min_dec) {
306 min_dec = fmt_diff;
307 dec_fmt = *p;
308 }
309 }
310 }
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311 }
312
313 /* if none match, provide the one that matches quality closest */
fd41cb43 314 dec->request_sample_fmt = min_inc != INT_MAX ? inc_fmt : dec_fmt;
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315 }
316}
317
f15f02c2 318static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
7636c8c6 319{
f15f02c2 320 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
38313626 321 AVCodecContext *avctx = ost->enc_ctx;
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322 int ret;
323
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324 /*
325 * Audio encoders may split the packets -- #frames in != #packets out.
326 * But there is no reordering, so we can limit the number of output packets
327 * by simply dropping them here.
328 * Counting encoded video frames needs to be done separately because of
329 * reordering, see do_video_out()
330 */
331 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
c9594fe0
JR
332 if (ost->frame_number >= ost->max_frames) {
333 av_free_packet(pkt);
99932847 334 return;
c9594fe0 335 }
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336 ost->frame_number++;
337 }
338
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339 while (bsfc) {
340 AVPacket new_pkt = *pkt;
341 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
342 &new_pkt.data, &new_pkt.size,
343 pkt->data, pkt->size,
344 pkt->flags & AV_PKT_FLAG_KEY);
345 if (a > 0) {
6291d7e4 346 av_free_packet(pkt);
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347 new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
348 av_buffer_default_free, NULL, 0);
349 if (!new_pkt.buf)
636ced8e 350 exit_program(1);
7636c8c6 351 } else if (a < 0) {
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352 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
353 bsfc->filter->name, pkt->stream_index,
354 avctx->codec ? avctx->codec->name : "copy");
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355 print_error("", a);
356 if (exit_on_error)
636ced8e 357 exit_program(1);
6291d7e4 358 }
7636c8c6 359 *pkt = new_pkt;
6291d7e4 360
7636c8c6 361 bsfc = bsfc->next;
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362 }
363
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364 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS) &&
365 ost->last_mux_dts != AV_NOPTS_VALUE &&
366 pkt->dts < ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT)) {
367 av_log(NULL, AV_LOG_WARNING, "Non-monotonous DTS in output stream "
368 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
369 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
370 if (exit_on_error) {
371 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
636ced8e 372 exit_program(1);
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373 }
374 av_log(NULL, AV_LOG_WARNING, "changing to %"PRId64". This may result "
375 "in incorrect timestamps in the output file.\n",
376 ost->last_mux_dts + 1);
377 pkt->dts = ost->last_mux_dts + 1;
378 if (pkt->pts != AV_NOPTS_VALUE)
379 pkt->pts = FFMAX(pkt->pts, pkt->dts);
380 }
381 ost->last_mux_dts = pkt->dts;
382
baeb59d8 383 ost->data_size += pkt->size;
47543450 384 ost->packets_written++;
baeb59d8 385
61a09968 386 pkt->stream_index = ost->index;
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AD
387 ret = av_interleaved_write_frame(s, pkt);
388 if (ret < 0) {
6291d7e4 389 print_error("av_interleaved_write_frame()", ret);
636ced8e 390 exit_program(1);
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391 }
392}
393
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394static int check_recording_time(OutputStream *ost)
395{
2e215267 396 OutputFile *of = output_files[ost->file_index];
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397
398 if (of->recording_time != INT64_MAX &&
38313626 399 av_compare_ts(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, of->recording_time,
1270e12e 400 AV_TIME_BASE_Q) >= 0) {
57d24225 401 ost->finished = 1;
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402 return 0;
403 }
404 return 1;
405}
406
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407static void do_audio_out(AVFormatContext *s, OutputStream *ost,
408 AVFrame *frame)
ee458cb1 409{
38313626 410 AVCodecContext *enc = ost->enc_ctx;
ee458cb1 411 AVPacket pkt;
369cb092 412 int got_packet = 0;
ee458cb1
JR
413
414 av_init_packet(&pkt);
415 pkt.data = NULL;
416 pkt.size = 0;
417
369cb092 418 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
9b9fc9ba 419 frame->pts = ost->sync_opts;
369cb092 420 ost->sync_opts = frame->pts + frame->nb_samples;
ee458cb1 421
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422 ost->samples_encoded += frame->nb_samples;
423 ost->frames_encoded++;
424
ee458cb1
JR
425 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
426 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
636ced8e 427 exit_program(1);
ee458cb1
JR
428 }
429
430 if (got_packet) {
452860d7 431 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
ee458cb1 432 write_frame(s, &pkt, ost);
ee458cb1 433 }
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434}
435
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436static void do_subtitle_out(AVFormatContext *s,
437 OutputStream *ost,
438 InputStream *ist,
439 AVSubtitle *sub,
440 int64_t pts)
441{
442 static uint8_t *subtitle_out = NULL;
443 int subtitle_out_max_size = 1024 * 1024;
444 int subtitle_out_size, nb, i;
445 AVCodecContext *enc;
446 AVPacket pkt;
447
448 if (pts == AV_NOPTS_VALUE) {
e3245b26 449 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
6291d7e4 450 if (exit_on_error)
636ced8e 451 exit_program(1);
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452 return;
453 }
454
38313626 455 enc = ost->enc_ctx;
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456
457 if (!subtitle_out) {
458 subtitle_out = av_malloc(subtitle_out_max_size);
459 }
460
461 /* Note: DVB subtitle need one packet to draw them and one other
462 packet to clear them */
463 /* XXX: signal it in the codec context ? */
36ef5369 464 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
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465 nb = 2;
466 else
467 nb = 1;
468
7636c8c6 469 for (i = 0; i < nb; i++) {
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470 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
471 if (!check_recording_time(ost))
472 return;
473
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474 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
475 // start_display_time is required to be 0
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476 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
477 sub->end_display_time -= sub->start_display_time;
6291d7e4 478 sub->start_display_time = 0;
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479
480 ost->frames_encoded++;
481
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482 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
483 subtitle_out_max_size, sub);
484 if (subtitle_out_size < 0) {
e3245b26 485 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
636ced8e 486 exit_program(1);
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487 }
488
489 av_init_packet(&pkt);
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490 pkt.data = subtitle_out;
491 pkt.size = subtitle_out_size;
7636c8c6 492 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
36ef5369 493 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
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494 /* XXX: the pts correction is handled here. Maybe handling
495 it in the codec would be better */
496 if (i == 0)
497 pkt.pts += 90 * sub->start_display_time;
498 else
499 pkt.pts += 90 * sub->end_display_time;
500 }
f15f02c2 501 write_frame(s, &pkt, ost);
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502 }
503}
504
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AC
505static void do_video_out(AVFormatContext *s,
506 OutputStream *ost,
87ef060c 507 AVFrame *in_picture,
fb722a90 508 int *frame_size)
87ef060c 509{
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510 int ret, format_video_sync;
511 AVPacket pkt;
38313626 512 AVCodecContext *enc = ost->enc_ctx;
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513
514 *frame_size = 0;
515
553735f5 516 format_video_sync = video_sync_method;
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517 if (format_video_sync == VSYNC_AUTO)
518 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
519 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
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520 if (format_video_sync != VSYNC_PASSTHROUGH &&
521 ost->frame_number &&
522 in_picture->pts != AV_NOPTS_VALUE &&
523 in_picture->pts < ost->sync_opts) {
d43040e2 524 nb_frames_drop++;
aa499568
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525 av_log(NULL, AV_LOG_WARNING,
526 "*** dropping frame %d from stream %d at ts %"PRId64"\n",
527 ost->frame_number, ost->st->index, in_picture->pts);
87ef060c 528 return;
d43040e2 529 }
87ef060c 530
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531 if (in_picture->pts == AV_NOPTS_VALUE)
532 in_picture->pts = ost->sync_opts;
533 ost->sync_opts = in_picture->pts;
534
535
1270e12e 536 if (!ost->frame_number)
74b961db 537 ost->first_pts = in_picture->pts;
1270e12e 538
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539 av_init_packet(&pkt);
540 pkt.data = NULL;
541 pkt.size = 0;
6291d7e4 542
a83c0da5 543 if (ost->frame_number >= ost->max_frames)
39885a4b 544 return;
1270e12e 545
39885a4b 546 if (s->oformat->flags & AVFMT_RAWPICTURE &&
36ef5369 547 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
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548 /* raw pictures are written as AVPicture structure to
549 avoid any copies. We support temporarily the older
550 method. */
551 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
552 enc->coded_frame->top_field_first = in_picture->top_field_first;
553 pkt.data = (uint8_t *)in_picture;
554 pkt.size = sizeof(AVPicture);
555 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
556 pkt.flags |= AV_PKT_FLAG_KEY;
6291d7e4 557
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558 write_frame(s, &pkt, ost);
559 } else {
560 int got_packet;
6291d7e4 561
38313626 562 if (enc->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
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563 ost->top_field_first >= 0)
564 in_picture->top_field_first = !!ost->top_field_first;
565
38313626 566 in_picture->quality = enc->global_quality;
39885a4b 567 if (!enc->me_threshold)
9b2dc295 568 in_picture->pict_type = 0;
39885a4b 569 if (ost->forced_kf_index < ost->forced_kf_count &&
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570 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
571 in_picture->pict_type = AV_PICTURE_TYPE_I;
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572 ost->forced_kf_index++;
573 }
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574
575 ost->frames_encoded++;
576
9b2dc295 577 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
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578 if (ret < 0) {
579 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
636ced8e 580 exit_program(1);
39885a4b 581 }
6291d7e4 582
39885a4b 583 if (got_packet) {
452860d7 584 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
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585 write_frame(s, &pkt, ost);
586 *frame_size = pkt.size;
324fbadf 587
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588 /* if two pass, output log */
589 if (ost->logfile && enc->stats_out) {
590 fprintf(ost->logfile, "%s", enc->stats_out);
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591 }
592 }
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593 }
594 ost->sync_opts++;
595 /*
596 * For video, number of frames in == number of packets out.
597 * But there may be reordering, so we can't throw away frames on encoder
598 * flush, we need to limit them here, before they go into encoder.
599 */
600 ost->frame_number++;
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601}
602
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603static double psnr(double d)
604{
605 return -10.0 * log(d) / log(10.0);
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606}
607
70478746 608static void do_video_stats(OutputStream *ost, int frame_size)
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609{
610 AVCodecContext *enc;
611 int frame_number;
612 double ti1, bitrate, avg_bitrate;
613
614 /* this is executed just the first time do_video_stats is called */
615 if (!vstats_file) {
616 vstats_file = fopen(vstats_filename, "w");
617 if (!vstats_file) {
618 perror("fopen");
636ced8e 619 exit_program(1);
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620 }
621 }
622
38313626 623 enc = ost->enc_ctx;
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624 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
625 frame_number = ost->frame_number;
7636c8c6 626 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
6291d7e4 627 if (enc->flags&CODEC_FLAG_PSNR)
7636c8c6 628 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
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629
630 fprintf(vstats_file,"f_size= %6d ", frame_size);
631 /* compute pts value */
632 ti1 = ost->sync_opts * av_q2d(enc->time_base);
633 if (ti1 < 0.01)
634 ti1 = 0.01;
635
7636c8c6 636 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
baeb59d8 637 avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
6291d7e4 638 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
baeb59d8 639 (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
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640 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
641 }
642}
643
c1ef30a6 644/*
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645 * Read one frame for lavfi output for ost and encode it.
646 */
647static int poll_filter(OutputStream *ost)
560f7774 648{
a4f50110 649 OutputFile *of = output_files[ost->file_index];
560f7774 650 AVFrame *filtered_frame = NULL;
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651 int frame_size, ret;
652
5b9c3b45 653 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
a4f50110 654 return AVERROR(ENOMEM);
674fa491 655 }
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656 filtered_frame = ost->filtered_frame;
657
658 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
659 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
9b2dc295 660 ret = av_buffersink_get_samples(ost->filter->filter, filtered_frame,
38313626 661 ost->enc_ctx->frame_size);
a4f50110 662 else
9b2dc295 663 ret = av_buffersink_get_frame(ost->filter->filter, filtered_frame);
369cb092 664
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665 if (ret < 0)
666 return ret;
560f7774 667
9b2dc295 668 if (filtered_frame->pts != AV_NOPTS_VALUE) {
56ee3f9d 669 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
9b2dc295 670 filtered_frame->pts = av_rescale_q(filtered_frame->pts,
a4f50110 671 ost->filter->filter->inputs[0]->time_base,
38313626 672 ost->enc_ctx->time_base) -
56ee3f9d 673 av_rescale_q(start_time,
a4f50110 674 AV_TIME_BASE_Q,
38313626 675 ost->enc_ctx->time_base);
560f7774 676 }
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677
678 switch (ost->filter->filter->inputs[0]->type) {
679 case AVMEDIA_TYPE_VIDEO:
680 if (!ost->frame_aspect_ratio)
38313626 681 ost->enc_ctx->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
a4f50110 682
fb722a90 683 do_video_out(of->ctx, ost, filtered_frame, &frame_size);
a4f50110 684 if (vstats_filename && frame_size)
70478746 685 do_video_stats(ost, frame_size);
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686 break;
687 case AVMEDIA_TYPE_AUDIO:
688 do_audio_out(of->ctx, ost, filtered_frame);
689 break;
690 default:
691 // TODO support subtitle filters
692 av_assert0(0);
693 }
694
9b2dc295 695 av_frame_unref(filtered_frame);
a4f50110 696
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697 return 0;
698}
699
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700static void finish_output_stream(OutputStream *ost)
701{
702 OutputFile *of = output_files[ost->file_index];
703 int i;
704
705 ost->finished = 1;
706
707 if (of->shortest) {
708 for (i = 0; i < of->ctx->nb_streams; i++)
709 output_streams[of->ost_index + i]->finished = 1;
710 }
711}
712
c1ef30a6 713/*
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714 * Read as many frames from possible from lavfi and encode them.
715 *
716 * Always read from the active stream with the lowest timestamp. If no frames
717 * are available for it then return EAGAIN and wait for more input. This way we
718 * can use lavfi sources that generate unlimited amount of frames without memory
719 * usage exploding.
720 */
721static int poll_filters(void)
722{
48e50921 723 int i, ret = 0;
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724
725 while (ret >= 0 && !received_sigterm) {
726 OutputStream *ost = NULL;
727 int64_t min_pts = INT64_MAX;
728
729 /* choose output stream with the lowest timestamp */
730 for (i = 0; i < nb_output_streams; i++) {
731 int64_t pts = output_streams[i]->sync_opts;
732
57d24225 733 if (!output_streams[i]->filter || output_streams[i]->finished)
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734 continue;
735
38313626 736 pts = av_rescale_q(pts, output_streams[i]->enc_ctx->time_base,
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737 AV_TIME_BASE_Q);
738 if (pts < min_pts) {
739 min_pts = pts;
740 ost = output_streams[i];
741 }
742 }
743
744 if (!ost)
745 break;
746
747 ret = poll_filter(ost);
748
749 if (ret == AVERROR_EOF) {
48e50921 750 finish_output_stream(ost);
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751 ret = 0;
752 } else if (ret == AVERROR(EAGAIN))
753 return 0;
754 }
755
756 return ret;
757}
758
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759static void print_final_stats(int64_t total_size)
760{
761 uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
762 uint64_t data_size = 0;
763 float percent = -1.0;
47543450 764 int i, j;
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765
766 for (i = 0; i < nb_output_streams; i++) {
767 OutputStream *ost = output_streams[i];
38313626 768 switch (ost->enc_ctx->codec_type) {
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769 case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
770 case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
771 default: other_size += ost->data_size; break;
772 }
38313626 773 extra_size += ost->enc_ctx->extradata_size;
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774 data_size += ost->data_size;
775 }
776
777 if (data_size && total_size >= data_size)
778 percent = 100.0 * (total_size - data_size) / data_size;
779
780 av_log(NULL, AV_LOG_INFO, "\n");
781 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB other streams:%1.0fkB global headers:%1.0fkB muxing overhead: ",
782 video_size / 1024.0,
783 audio_size / 1024.0,
784 other_size / 1024.0,
785 extra_size / 1024.0);
786 if (percent >= 0.0)
787 av_log(NULL, AV_LOG_INFO, "%f%%", percent);
788 else
789 av_log(NULL, AV_LOG_INFO, "unknown");
790 av_log(NULL, AV_LOG_INFO, "\n");
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791
792 /* print verbose per-stream stats */
793 for (i = 0; i < nb_input_files; i++) {
794 InputFile *f = input_files[i];
795 uint64_t total_packets = 0, total_size = 0;
796
797 av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
798 i, f->ctx->filename);
799
800 for (j = 0; j < f->nb_streams; j++) {
801 InputStream *ist = input_streams[f->ist_index + j];
41776ba9 802 enum AVMediaType type = ist->dec_ctx->codec_type;
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803
804 total_size += ist->data_size;
805 total_packets += ist->nb_packets;
806
807 av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
808 i, j, media_type_string(type));
809 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
810 ist->nb_packets, ist->data_size);
811
812 if (ist->decoding_needed) {
813 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
814 ist->frames_decoded);
815 if (type == AVMEDIA_TYPE_AUDIO)
816 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
817 av_log(NULL, AV_LOG_VERBOSE, "; ");
818 }
819
820 av_log(NULL, AV_LOG_VERBOSE, "\n");
821 }
822
823 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
824 total_packets, total_size);
825 }
826
827 for (i = 0; i < nb_output_files; i++) {
828 OutputFile *of = output_files[i];
829 uint64_t total_packets = 0, total_size = 0;
830
831 av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
832 i, of->ctx->filename);
833
834 for (j = 0; j < of->ctx->nb_streams; j++) {
835 OutputStream *ost = output_streams[of->ost_index + j];
38313626 836 enum AVMediaType type = ost->enc_ctx->codec_type;
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837
838 total_size += ost->data_size;
839 total_packets += ost->packets_written;
840
841 av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
842 i, j, media_type_string(type));
843 if (ost->encoding_needed) {
844 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
845 ost->frames_encoded);
846 if (type == AVMEDIA_TYPE_AUDIO)
847 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
848 av_log(NULL, AV_LOG_VERBOSE, "; ");
849 }
850
851 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
852 ost->packets_written, ost->data_size);
853
854 av_log(NULL, AV_LOG_VERBOSE, "\n");
855 }
856
857 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
858 total_packets, total_size);
859 }
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860}
861
ea9367e9 862static void print_report(int is_last_report, int64_t timer_start)
6291d7e4
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863{
864 char buf[1024];
865 OutputStream *ost;
866 AVFormatContext *oc;
867 int64_t total_size;
868 AVCodecContext *enc;
869 int frame_number, vid, i;
870 double bitrate, ti1, pts;
871 static int64_t last_time = -1;
872 static int qp_histogram[52];
873
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874 if (!print_stats && !is_last_report)
875 return;
876
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877 if (!is_last_report) {
878 int64_t cur_time;
879 /* display the report every 0.5 seconds */
880 cur_time = av_gettime();
881 if (last_time == -1) {
882 last_time = cur_time;
883 return;
884 }
885 if ((cur_time - last_time) < 500000)
886 return;
887 last_time = cur_time;
888 }
889
890
2e215267 891 oc = output_files[0]->ctx;
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892
893 total_size = avio_size(oc->pb);
1b891d17 894 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
7636c8c6 895 total_size = avio_tell(oc->pb);
1b891d17
JG
896 if (total_size < 0) {
897 char errbuf[128];
898 av_strerror(total_size, errbuf, sizeof(errbuf));
899 av_log(NULL, AV_LOG_VERBOSE, "Bitrate not available, "
900 "avio_tell() failed: %s\n", errbuf);
901 total_size = 0;
902 }
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903
904 buf[0] = '\0';
905 ti1 = 1e10;
906 vid = 0;
ea9367e9 907 for (i = 0; i < nb_output_streams; i++) {
6291d7e4 908 float q = -1;
2e215267 909 ost = output_streams[i];
38313626 910 enc = ost->enc_ctx;
3d813e4c 911 if (!ost->stream_copy && enc->coded_frame)
7636c8c6 912 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
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913 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
914 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
915 }
916 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
7636c8c6 917 float t = (av_gettime() - timer_start) / 1000000.0;
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918
919 frame_number = ost->frame_number;
920 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
7636c8c6
AD
921 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
922 if (is_last_report)
6291d7e4 923 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
7636c8c6 924 if (qp_hist) {
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925 int j;
926 int qp = lrintf(q);
7636c8c6 927 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
6291d7e4 928 qp_histogram[qp]++;
7636c8c6 929 for (j = 0; j < 32; j++)
d752509b 930 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
6291d7e4 931 }
7636c8c6 932 if (enc->flags&CODEC_FLAG_PSNR) {
6291d7e4 933 int j;
7636c8c6
AD
934 double error, error_sum = 0;
935 double scale, scale_sum = 0;
936 char type[3] = { 'Y','U','V' };
6291d7e4 937 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
7636c8c6
AD
938 for (j = 0; j < 3; j++) {
939 if (is_last_report) {
940 error = enc->error[j];
941 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
942 } else {
943 error = enc->coded_frame->error[j];
944 scale = enc->width * enc->height * 255.0 * 255.0;
6291d7e4 945 }
7636c8c6
AD
946 if (j)
947 scale /= 4;
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948 error_sum += error;
949 scale_sum += scale;
7636c8c6 950 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
6291d7e4 951 }
7636c8c6 952 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
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953 }
954 vid = 1;
955 }
956 /* compute min output value */
dc40d886 957 pts = (double)ost->last_mux_dts * av_q2d(ost->st->time_base);
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958 if ((pts < ti1) && (pts > 0))
959 ti1 = pts;
960 }
961 if (ti1 < 0.01)
962 ti1 = 0.01;
963
e3245b26 964 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
6291d7e4 965
e3245b26 966 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
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967 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
968 (double)total_size / 1024, ti1, bitrate);
969
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970 if (nb_frames_drop)
971 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " drop=%d",
972 nb_frames_drop);
6291d7e4 973
f5646a32 974 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
6291d7e4 975
e3245b26 976 fflush(stderr);
6291d7e4 977
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978 if (is_last_report)
979 print_final_stats(total_size);
baeb59d8 980
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981}
982
ea9367e9 983static void flush_encoders(void)
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984{
985 int i, ret;
986
ea9367e9 987 for (i = 0; i < nb_output_streams; i++) {
2e215267 988 OutputStream *ost = output_streams[i];
38313626 989 AVCodecContext *enc = ost->enc_ctx;
2e215267 990 AVFormatContext *os = output_files[ost->file_index]->ctx;
ee458cb1 991 int stop_encoding = 0;
6f1c66d5 992
b62b5cb6 993 if (!ost->encoding_needed)
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994 continue;
995
38313626 996 if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
6f1c66d5 997 continue;
38313626 998 if (enc->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
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999 continue;
1000
7636c8c6 1001 for (;;) {
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1002 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1003 const char *desc;
6f1c66d5 1004
38313626 1005 switch (enc->codec_type) {
6f1c66d5 1006 case AVMEDIA_TYPE_AUDIO:
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1007 encode = avcodec_encode_audio2;
1008 desc = "Audio";
6f1c66d5
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1009 break;
1010 case AVMEDIA_TYPE_VIDEO:
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1011 encode = avcodec_encode_video2;
1012 desc = "Video";
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1013 break;
1014 default:
1015 stop_encoding = 1;
1016 }
1017
1018 if (encode) {
1019 AVPacket pkt;
1020 int got_packet;
1021 av_init_packet(&pkt);
1022 pkt.data = NULL;
1023 pkt.size = 0;
1024
1025 ret = encode(enc, &pkt, NULL, &got_packet);
6f1c66d5 1026 if (ret < 0) {
369cb092 1027 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
636ced8e 1028 exit_program(1);
6f1c66d5 1029 }
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1030 if (ost->logfile && enc->stats_out) {
1031 fprintf(ost->logfile, "%s", enc->stats_out);
1032 }
8e37038a 1033 if (!got_packet) {
ee458cb1
JR
1034 stop_encoding = 1;
1035 break;
1036 }
452860d7 1037 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
ee458cb1 1038 write_frame(os, &pkt, ost);
4a4ce2e7 1039 }
369cb092 1040
ee458cb1 1041 if (stop_encoding)
6f1c66d5 1042 break;
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1043 }
1044 }
1045}
1046
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1047/*
1048 * Check whether a packet from ist should be written into ost at this time
1049 */
1050static int check_output_constraints(InputStream *ist, OutputStream *ost)
1051{
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1052 OutputFile *of = output_files[ost->file_index];
1053 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
7204ec1a
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1054
1055 if (ost->source_index != ist_index)
1056 return 0;
1057
56ee3f9d 1058 if (of->start_time != AV_NOPTS_VALUE && ist->last_dts < of->start_time)
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1059 return 0;
1060
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1061 return 1;
1062}
1063
1064static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1065{
2e215267 1066 OutputFile *of = output_files[ost->file_index];
488a0fa6 1067 InputFile *f = input_files [ist->file_index];
56ee3f9d
AK
1068 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1069 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
7204ec1a
AK
1070 AVPacket opkt;
1071
1072 av_init_packet(&opkt);
1073
1074 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1075 !ost->copy_initial_nonkeyframes)
1076 return;
1077
1270e12e 1078 if (of->recording_time != INT64_MAX &&
56ee3f9d 1079 ist->last_dts >= of->recording_time + start_time) {
57d24225 1080 ost->finished = 1;
1270e12e
AK
1081 return;
1082 }
1083
488a0fa6
AK
1084 if (f->recording_time != INT64_MAX) {
1085 start_time = f->ctx->start_time;
1086 if (f->start_time != AV_NOPTS_VALUE)
1087 start_time += f->start_time;
1088 if (ist->last_dts >= f->recording_time + start_time) {
1089 ost->finished = 1;
1090 return;
1091 }
1092 }
1093
7204ec1a 1094 /* force the input stream PTS */
38313626 1095 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
7204ec1a 1096 ost->sync_opts++;
7204ec1a 1097
7204ec1a
AK
1098 if (pkt->pts != AV_NOPTS_VALUE)
1099 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1100 else
1101 opkt.pts = AV_NOPTS_VALUE;
1102
1103 if (pkt->dts == AV_NOPTS_VALUE)
23576b3f 1104 opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base);
7204ec1a
AK
1105 else
1106 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1107 opkt.dts -= ost_tb_start_time;
1108
1109 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1110 opkt.flags = pkt->flags;
1111
7636c8c6 1112 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
38313626
AK
1113 if ( ost->enc_ctx->codec_id != AV_CODEC_ID_H264
1114 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG1VIDEO
1115 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG2VIDEO
1116 && ost->enc_ctx->codec_id != AV_CODEC_ID_VC1
7204ec1a 1117 ) {
c872d310
AK
1118 if (av_parser_change(ost->parser, ost->st->codec,
1119 &opkt.data, &opkt.size,
1120 pkt->data, pkt->size,
1121 pkt->flags & AV_PKT_FLAG_KEY)) {
9b2dc295
AK
1122 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1123 if (!opkt.buf)
636ced8e 1124 exit_program(1);
9b2dc295 1125 }
7204ec1a
AK
1126 } else {
1127 opkt.data = pkt->data;
1128 opkt.size = pkt->size;
1129 }
1130
f15f02c2 1131 write_frame(of->ctx, &opkt, ost);
7204ec1a
AK
1132}
1133
f5e66827 1134int guess_input_channel_layout(InputStream *ist)
369cb092 1135{
41776ba9 1136 AVCodecContext *dec = ist->dec_ctx;
369cb092
AK
1137
1138 if (!dec->channel_layout) {
1139 char layout_name[256];
1140
1141 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1142 if (!dec->channel_layout)
1143 return 0;
1144 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1145 dec->channels, dec->channel_layout);
1146 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1147 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1148 }
1149 return 1;
1150}
1151
0629f612 1152static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
ded28ba3 1153{
9b2dc295 1154 AVFrame *decoded_frame, *f;
41776ba9 1155 AVCodecContext *avctx = ist->dec_ctx;
9b2dc295 1156 int i, ret, err = 0, resample_changed;
ded28ba3 1157
5b9c3b45 1158 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
d1241ff3 1159 return AVERROR(ENOMEM);
9b2dc295
AK
1160 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1161 return AVERROR(ENOMEM);
9179f27c 1162 decoded_frame = ist->decoded_frame;
ded28ba3 1163
d1241ff3 1164 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
f154ef1a
AK
1165 if (!*got_output || ret < 0) {
1166 if (!pkt->size) {
369cb092 1167 for (i = 0; i < ist->nb_filters; i++)
9b2dc295 1168 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
f154ef1a 1169 }
af8ad892 1170 return ret;
ded28ba3
AK
1171 }
1172
47543450
AK
1173 ist->samples_decoded += decoded_frame->nb_samples;
1174 ist->frames_decoded++;
1175
d1241ff3
JR
1176 /* if the decoder provides a pts, use it instead of the last packet pts.
1177 the decoder could be delaying output by a packet or more. */
1178 if (decoded_frame->pts != AV_NOPTS_VALUE)
3101bb66 1179 ist->next_dts = decoded_frame->pts;
1ae8198b 1180 else if (pkt->pts != AV_NOPTS_VALUE)
369cb092 1181 decoded_frame->pts = pkt->pts;
1ae8198b 1182 pkt->pts = AV_NOPTS_VALUE;
ded28ba3 1183
369cb092
AK
1184 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1185 ist->resample_channels != avctx->channels ||
1186 ist->resample_channel_layout != decoded_frame->channel_layout ||
1187 ist->resample_sample_rate != decoded_frame->sample_rate;
1188 if (resample_changed) {
1189 char layout1[64], layout2[64];
ded28ba3 1190
369cb092
AK
1191 if (!guess_input_channel_layout(ist)) {
1192 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1193 "layout for Input Stream #%d.%d\n", ist->file_index,
1194 ist->st->index);
636ced8e 1195 exit_program(1);
369cb092
AK
1196 }
1197 decoded_frame->channel_layout = avctx->channel_layout;
1198
1199 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1200 ist->resample_channel_layout);
1201 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1202 decoded_frame->channel_layout);
1203
1204 av_log(NULL, AV_LOG_INFO,
1205 "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",
1206 ist->file_index, ist->st->index,
1207 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1208 ist->resample_channels, layout1,
1209 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1210 avctx->channels, layout2);
1211
1212 ist->resample_sample_fmt = decoded_frame->format;
1213 ist->resample_sample_rate = decoded_frame->sample_rate;
1214 ist->resample_channel_layout = decoded_frame->channel_layout;
1215 ist->resample_channels = avctx->channels;
1216
1217 for (i = 0; i < nb_filtergraphs; i++)
1218 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1219 configure_filtergraph(filtergraphs[i]) < 0) {
1220 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
636ced8e 1221 exit_program(1);
369cb092 1222 }
ded28ba3 1223 }
110d2af2 1224
715129cd
MS
1225 if (decoded_frame->pts != AV_NOPTS_VALUE)
1226 decoded_frame->pts = av_rescale_q(decoded_frame->pts,
1227 ist->st->time_base,
41776ba9 1228 (AVRational){1, avctx->sample_rate});
9b2dc295
AK
1229 for (i = 0; i < ist->nb_filters; i++) {
1230 if (i < ist->nb_filters - 1) {
1231 f = ist->filter_frame;
1232 err = av_frame_ref(f, decoded_frame);
1233 if (err < 0)
1234 break;
1235 } else
1236 f = decoded_frame;
369cb092 1237
9b2dc295
AK
1238 err = av_buffersrc_add_frame(ist->filters[i]->filter, f);
1239 if (err < 0)
1240 break;
1241 }
1242
1243 av_frame_unref(ist->filter_frame);
1244 av_frame_unref(decoded_frame);
1245 return err < 0 ? err : ret;
ded28ba3
AK
1246}
1247
0629f612 1248static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
45d4b66f 1249{
9b2dc295 1250 AVFrame *decoded_frame, *f;
9b2dc295 1251 int i, ret = 0, err = 0, resample_changed;
45d4b66f 1252
9b2dc295
AK
1253 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1254 return AVERROR(ENOMEM);
1255 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
45d4b66f 1256 return AVERROR(ENOMEM);
9179f27c 1257 decoded_frame = ist->decoded_frame;
45d4b66f 1258
41776ba9 1259 ret = avcodec_decode_video2(ist->dec_ctx,
45d4b66f 1260 decoded_frame, got_output, pkt);
f154ef1a
AK
1261 if (!*got_output || ret < 0) {
1262 if (!pkt->size) {
89605e4a 1263 for (i = 0; i < ist->nb_filters; i++)
9b2dc295 1264 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
f154ef1a 1265 }
af8ad892 1266 return ret;
45d4b66f 1267 }
f154ef1a 1268
47543450
AK
1269 ist->frames_decoded++;
1270
07fd0a22 1271 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
41776ba9 1272 err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
07fd0a22
AK
1273 if (err < 0)
1274 goto fail;
1275 }
1276 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
1277
b34856a1
AK
1278 decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1279 decoded_frame->pkt_dts);
45d4b66f 1280 pkt->size = 0;
45d4b66f 1281
695ec04e
AK
1282 if (ist->st->sample_aspect_ratio.num)
1283 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1284
e77c8662
AK
1285 resample_changed = ist->resample_width != decoded_frame->width ||
1286 ist->resample_height != decoded_frame->height ||
1287 ist->resample_pix_fmt != decoded_frame->format;
1288 if (resample_changed) {
1289 av_log(NULL, AV_LOG_INFO,
1290 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1291 ist->file_index, ist->st->index,
1292 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1293 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1294
2f34021d
JG
1295 ret = poll_filters();
1296 if (ret < 0 && (ret != AVERROR_EOF && ret != AVERROR(EAGAIN)))
1297 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
1298
e77c8662
AK
1299 ist->resample_width = decoded_frame->width;
1300 ist->resample_height = decoded_frame->height;
1301 ist->resample_pix_fmt = decoded_frame->format;
e77c8662 1302
3b266da3
AK
1303 for (i = 0; i < nb_filtergraphs; i++)
1304 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1305 configure_filtergraph(filtergraphs[i]) < 0) {
ac646076 1306 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
636ced8e 1307 exit_program(1);
3b266da3
AK
1308 }
1309 }
ac646076 1310
3b266da3 1311 for (i = 0; i < ist->nb_filters; i++) {
9b2dc295
AK
1312 if (i < ist->nb_filters - 1) {
1313 f = ist->filter_frame;
1314 err = av_frame_ref(f, decoded_frame);
1315 if (err < 0)
1316 break;
04a14d4d 1317 } else
9b2dc295
AK
1318 f = decoded_frame;
1319
1320 err = av_buffersrc_add_frame(ist->filters[i]->filter, f);
1321 if (err < 0)
1322 break;
45d4b66f
AK
1323 }
1324
07fd0a22 1325fail:
9b2dc295
AK
1326 av_frame_unref(ist->filter_frame);
1327 av_frame_unref(decoded_frame);
9b2dc295 1328 return err < 0 ? err : ret;
45d4b66f
AK
1329}
1330
9595234c
AK
1331static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1332{
1333 AVSubtitle subtitle;
41776ba9 1334 int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
9595234c
AK
1335 &subtitle, got_output, pkt);
1336 if (ret < 0)
1337 return ret;
1338 if (!*got_output)
af8ad892 1339 return ret;
9595234c 1340
47543450
AK
1341 ist->frames_decoded++;
1342
9595234c 1343 for (i = 0; i < nb_output_streams; i++) {
2e215267 1344 OutputStream *ost = output_streams[i];
9595234c
AK
1345
1346 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1347 continue;
1348
2e215267 1349 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
9595234c
AK
1350 }
1351
1352 avsubtitle_free(&subtitle);
af8ad892 1353 return ret;
9595234c
AK
1354}
1355
6291d7e4 1356/* pkt = NULL means EOF (needed to flush decoder buffers) */
aa51b049 1357static int process_input_packet(InputStream *ist, const AVPacket *pkt)
6291d7e4 1358{
ffa0674e 1359 int i;
6291d7e4 1360 int got_output;
6291d7e4 1361 AVPacket avpkt;
6291d7e4 1362
3101bb66 1363 if (ist->next_dts == AV_NOPTS_VALUE)
23576b3f 1364 ist->next_dts = ist->last_dts;
6291d7e4 1365
f929ab05 1366 if (!pkt) {
6291d7e4
AK
1367 /* EOF handling */
1368 av_init_packet(&avpkt);
1369 avpkt.data = NULL;
1370 avpkt.size = 0;
1371 goto handle_eof;
1372 } else {
1373 avpkt = *pkt;
1374 }
1375
7636c8c6 1376 if (pkt->dts != AV_NOPTS_VALUE)
23576b3f 1377 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
6291d7e4 1378
7636c8c6 1379 // while we have more to decode or while the decoder did output something on EOF
2a651b71 1380 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
ffa0674e 1381 int ret = 0;
6291d7e4 1382 handle_eof:
6291d7e4 1383
23576b3f 1384 ist->last_dts = ist->next_dts;
8b0268a8 1385
d1780e01
AK
1386 if (avpkt.size && avpkt.size != pkt->size &&
1387 !(ist->dec->capabilities & CODEC_CAP_SUBFRAMES)) {
e3245b26
AK
1388 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1389 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
8b0268a8
AK
1390 ist->showed_multi_packet_warning = 1;
1391 }
6291d7e4 1392
41776ba9 1393 switch (ist->dec_ctx->codec_type) {
82963f8f 1394 case AVMEDIA_TYPE_AUDIO:
0629f612 1395 ret = decode_audio (ist, &avpkt, &got_output);
82963f8f
AK
1396 break;
1397 case AVMEDIA_TYPE_VIDEO:
0629f612 1398 ret = decode_video (ist, &avpkt, &got_output);
b34856a1
AK
1399 if (avpkt.duration)
1400 ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
aba232cf 1401 else if (ist->st->avg_frame_rate.num)
82494835 1402 ist->next_dts += av_rescale_q(1, av_inv_q(ist->st->avg_frame_rate),
722410ad 1403 AV_TIME_BASE_Q);
41776ba9 1404 else if (ist->dec_ctx->time_base.num != 0) {
b34856a1 1405 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
41776ba9
AK
1406 ist->dec_ctx->ticks_per_frame;
1407 ist->next_dts += av_rescale_q(ticks, ist->dec_ctx->time_base, AV_TIME_BASE_Q);
b34856a1 1408 }
82963f8f
AK
1409 break;
1410 case AVMEDIA_TYPE_SUBTITLE:
1411 ret = transcode_subtitles(ist, &avpkt, &got_output);
1412 break;
78162b4e
AK
1413 default:
1414 return -1;
1415 }
6291d7e4 1416
d3c1d37a
AK
1417 if (ret < 0)
1418 return ret;
aa38cff2
JG
1419 // touch data and size only if not EOF
1420 if (pkt) {
1421 avpkt.data += ret;
1422 avpkt.size -= ret;
1423 }
82963f8f 1424 if (!got_output) {
af8ad892 1425 continue;
82963f8f 1426 }
6291d7e4 1427 }
6291d7e4 1428
7204ec1a 1429 /* handle stream copy */
2a651b71 1430 if (!ist->decoding_needed) {
23576b3f 1431 ist->last_dts = ist->next_dts;
41776ba9 1432 switch (ist->dec_ctx->codec_type) {
2a651b71 1433 case AVMEDIA_TYPE_AUDIO:
41776ba9
AK
1434 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
1435 ist->dec_ctx->sample_rate;
2a651b71
AK
1436 break;
1437 case AVMEDIA_TYPE_VIDEO:
41776ba9
AK
1438 if (ist->dec_ctx->time_base.num != 0) {
1439 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
3101bb66 1440 ist->next_dts += ((int64_t)AV_TIME_BASE *
41776ba9
AK
1441 ist->dec_ctx->time_base.num * ticks) /
1442 ist->dec_ctx->time_base.den;
2a651b71
AK
1443 }
1444 break;
1445 }
1446 }
ea9367e9 1447 for (i = 0; pkt && i < nb_output_streams; i++) {
2e215267 1448 OutputStream *ost = output_streams[i];
7204ec1a
AK
1449
1450 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1451 continue;
1452
1453 do_streamcopy(ist, ost, pkt);
1454 }
1455
6291d7e4
AK
1456 return 0;
1457}
1458
ea9367e9 1459static void print_sdp(void)
6291d7e4 1460{
a23abaf3 1461 char sdp[16384];
af70aa45 1462 int i;
ea9367e9 1463 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
af70aa45
AK
1464
1465 if (!avc)
636ced8e 1466 exit_program(1);
ea9367e9 1467 for (i = 0; i < nb_output_files; i++)
2e215267 1468 avc[i] = output_files[i]->ctx;
6291d7e4 1469
ea9367e9 1470 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
6291d7e4
AK
1471 printf("SDP:\n%s\n", sdp);
1472 fflush(stdout);
af70aa45 1473 av_freep(&avc);
6291d7e4
AK
1474}
1475
07fd0a22
AK
1476static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
1477{
1478 int i;
1479 for (i = 0; hwaccels[i].name; i++)
1480 if (hwaccels[i].pix_fmt == pix_fmt)
1481 return &hwaccels[i];
1482 return NULL;
1483}
1484
1485static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
1486{
1487 InputStream *ist = s->opaque;
1488 const enum AVPixelFormat *p;
1489 int ret;
1490
1491 for (p = pix_fmts; *p != -1; p++) {
1492 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
1493 const HWAccel *hwaccel;
1494
1495 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
1496 break;
1497
1498 hwaccel = get_hwaccel(*p);
1499 if (!hwaccel ||
1500 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
1501 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
1502 continue;
1503
1504 ret = hwaccel->init(s);
1505 if (ret < 0) {
1506 if (ist->hwaccel_id == hwaccel->id) {
1507 av_log(NULL, AV_LOG_FATAL,
1508 "%s hwaccel requested for input stream #%d:%d, "
1509 "but cannot be initialized.\n", hwaccel->name,
1510 ist->file_index, ist->st->index);
1511 exit_program(1);
1512 }
1513 continue;
1514 }
1515 ist->active_hwaccel_id = hwaccel->id;
1516 ist->hwaccel_pix_fmt = *p;
1517 break;
1518 }
1519
1520 return *p;
1521}
1522
1523static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
1524{
1525 InputStream *ist = s->opaque;
1526
1527 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
1528 return ist->hwaccel_get_buffer(s, frame, flags);
1529
1530 return avcodec_default_get_buffer2(s, frame, flags);
1531}
1532
ea9367e9 1533static int init_input_stream(int ist_index, char *error, int error_len)
630902a1 1534{
c854102d 1535 int i, ret;
2e215267 1536 InputStream *ist = input_streams[ist_index];
630902a1
AK
1537 if (ist->decoding_needed) {
1538 AVCodec *codec = ist->dec;
630902a1 1539 if (!codec) {
9a414d89 1540 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
41776ba9 1541 ist->dec_ctx->codec_id, ist->file_index, ist->st->index);
630902a1
AK
1542 return AVERROR(EINVAL);
1543 }
1544
1545 /* update requested sample format for the decoder based on the
1546 corresponding encoder sample format */
1547 for (i = 0; i < nb_output_streams; i++) {
2e215267 1548 OutputStream *ost = output_streams[i];
630902a1 1549 if (ost->source_index == ist_index) {
38313626 1550 update_sample_fmt(ist->dec_ctx, codec, ost->enc_ctx);
630902a1
AK
1551 break;
1552 }
1553 }
1554
41776ba9
AK
1555 ist->dec_ctx->opaque = ist;
1556 ist->dec_ctx->get_format = get_format;
1557 ist->dec_ctx->get_buffer2 = get_buffer;
1558 ist->dec_ctx->thread_safe_callbacks = 1;
07fd0a22 1559
41776ba9 1560 av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
64dca32c 1561
f3a6ad22
AK
1562 if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
1563 av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
41776ba9 1564 if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
42cc6cef 1565 char errbuf[128];
c854102d
NC
1566 if (ret == AVERROR_EXPERIMENTAL)
1567 abort_codec_experimental(codec, 0);
42cc6cef
LB
1568
1569 av_strerror(ret, errbuf, sizeof(errbuf));
1570
1571 snprintf(error, error_len,
1572 "Error while opening decoder for input stream "
1573 "#%d:%d : %s",
1574 ist->file_index, ist->st->index, errbuf);
c854102d 1575 return ret;
630902a1 1576 }
f3a6ad22 1577 assert_avoptions(ist->decoder_opts);
630902a1
AK
1578 }
1579
41776ba9 1580 ist->last_dts = ist->st->avg_frame_rate.num ? - ist->dec_ctx->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
3101bb66 1581 ist->next_dts = AV_NOPTS_VALUE;
630902a1 1582 init_pts_correction(&ist->pts_ctx);
630902a1
AK
1583
1584 return 0;
1585}
1586
3b266da3
AK
1587static InputStream *get_input_stream(OutputStream *ost)
1588{
1589 if (ost->source_index >= 0)
1590 return input_streams[ost->source_index];
1591
1592 if (ost->filter) {
1593 FilterGraph *fg = ost->filter->graph;
1594 int i;
1595
1596 for (i = 0; i < fg->nb_inputs; i++)
38313626 1597 if (fg->inputs[i]->ist->dec_ctx->codec_type == ost->enc_ctx->codec_type)
3b266da3
AK
1598 return fg->inputs[i]->ist;
1599 }
1600
1601 return NULL;
1602}
1603
19ad5673
AK
1604static void parse_forced_key_frames(char *kf, OutputStream *ost,
1605 AVCodecContext *avctx)
1606{
1607 char *p;
1608 int n = 1, i;
1609 int64_t t;
1610
1611 for (p = kf; *p; p++)
1612 if (*p == ',')
1613 n++;
1614 ost->forced_kf_count = n;
1615 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1616 if (!ost->forced_kf_pts) {
1617 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
636ced8e 1618 exit_program(1);
19ad5673 1619 }
4c679750
RD
1620
1621 p = kf;
19ad5673 1622 for (i = 0; i < n; i++) {
4c679750
RD
1623 char *next = strchr(p, ',');
1624
1625 if (next)
1626 *next++ = 0;
1627
19ad5673
AK
1628 t = parse_time_or_die("force_key_frames", p, 1);
1629 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
4c679750
RD
1630
1631 p = next;
19ad5673
AK
1632 }
1633}
1634
6656370b
AK
1635static void set_encoder_id(OutputFile *of, OutputStream *ost)
1636{
1637 AVDictionaryEntry *e;
1638
1639 uint8_t *encoder_string;
1640 int encoder_string_len;
1641 int format_flags = 0;
1642
1643 e = av_dict_get(of->opts, "fflags", NULL, 0);
1644 if (e) {
1645 const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
1646 if (!o)
1647 return;
1648 av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
1649 }
1650
1651 encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
1652 encoder_string = av_mallocz(encoder_string_len);
1653 if (!encoder_string)
1654 exit_program(1);
1655
1656 if (!(format_flags & AVFMT_FLAG_BITEXACT))
1657 av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
1658 av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
1659 av_dict_set(&ost->st->metadata, "encoder", encoder_string,
1660 AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
1661}
1662
ea9367e9 1663static int transcode_init(void)
6291d7e4 1664{
2c474ddb 1665 int ret = 0, i, j, k;
1bb77e51 1666 AVFormatContext *oc;
4288e031 1667 OutputStream *ost;
6291d7e4
AK
1668 InputStream *ist;
1669 char error[1024];
1670 int want_sdp = 1;
b0c9e8e0 1671
f4805328
AK
1672 /* init framerate emulation */
1673 for (i = 0; i < nb_input_files; i++) {
2e215267 1674 InputFile *ifile = input_files[i];
f4805328
AK
1675 if (ifile->rate_emu)
1676 for (j = 0; j < ifile->nb_streams; j++)
2e215267 1677 input_streams[j + ifile->ist_index]->start = av_gettime();
f4805328 1678 }
6291d7e4
AK
1679
1680 /* output stream init */
03f30c83 1681 for (i = 0; i < nb_output_files; i++) {
2e215267 1682 oc = output_files[i]->ctx;
1bb77e51
AK
1683 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
1684 av_dump_format(oc, i, oc->filename, 1);
e3245b26 1685 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
eaf2d37a 1686 return AVERROR(EINVAL);
6291d7e4 1687 }
6291d7e4
AK
1688 }
1689
3b266da3
AK
1690 /* init complex filtergraphs */
1691 for (i = 0; i < nb_filtergraphs; i++)
1692 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
1693 return ret;
1694
6291d7e4 1695 /* for each output stream, we compute the right encoding parameters */
4288e031 1696 for (i = 0; i < nb_output_streams; i++) {
65ed9e75 1697 AVCodecContext *enc_ctx;
650a5206 1698 AVCodecContext *dec_ctx = NULL;
2e215267
AK
1699 ost = output_streams[i];
1700 oc = output_files[ost->file_index]->ctx;
3b266da3 1701 ist = get_input_stream(ost);
6291d7e4 1702
4dbc6cee
AK
1703 if (ost->attachment_filename)
1704 continue;
1705
38313626 1706 enc_ctx = ost->enc_ctx;
6291d7e4 1707
3b266da3 1708 if (ist) {
41776ba9 1709 dec_ctx = ist->dec_ctx;
3b266da3
AK
1710
1711 ost->st->disposition = ist->st->disposition;
65ed9e75
AK
1712 enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
1713 enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
3b266da3 1714 }
6291d7e4 1715
3d813e4c 1716 if (ost->stream_copy) {
538bf767 1717 AVRational sar;
8c4022ac
AK
1718 uint64_t extra_size;
1719
1720 av_assert0(ist && !ost->filter);
1721
650a5206 1722 extra_size = (uint64_t)dec_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
6291d7e4 1723
e6d2b737 1724 if (extra_size > INT_MAX) {
eaf2d37a 1725 return AVERROR(EINVAL);
e6d2b737 1726 }
6291d7e4
AK
1727
1728 /* if stream_copy is selected, no need to decode or encode */
65ed9e75
AK
1729 enc_ctx->codec_id = dec_ctx->codec_id;
1730 enc_ctx->codec_type = dec_ctx->codec_type;
6291d7e4 1731
65ed9e75 1732 if (!enc_ctx->codec_tag) {
03f30c83 1733 if (!oc->oformat->codec_tag ||
65ed9e75 1734 av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == enc_ctx->codec_id ||
650a5206 1735 av_codec_get_tag(oc->oformat->codec_tag, dec_ctx->codec_id) <= 0)
65ed9e75 1736 enc_ctx->codec_tag = dec_ctx->codec_tag;
6291d7e4
AK
1737 }
1738
65ed9e75
AK
1739 enc_ctx->bit_rate = dec_ctx->bit_rate;
1740 enc_ctx->rc_max_rate = dec_ctx->rc_max_rate;
1741 enc_ctx->rc_buffer_size = dec_ctx->rc_buffer_size;
1742 enc_ctx->field_order = dec_ctx->field_order;
1743 enc_ctx->extradata = av_mallocz(extra_size);
1744 if (!enc_ctx->extradata) {
eaf2d37a 1745 return AVERROR(ENOMEM);
e6d2b737 1746 }
65ed9e75
AK
1747 memcpy(enc_ctx->extradata, dec_ctx->extradata, dec_ctx->extradata_size);
1748 enc_ctx->extradata_size = dec_ctx->extradata_size;
7bb3e625 1749 if (!copy_tb) {
65ed9e75
AK
1750 enc_ctx->time_base = dec_ctx->time_base;
1751 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
1752 av_reduce(&enc_ctx->time_base.num, &enc_ctx->time_base.den,
1753 enc_ctx->time_base.num, enc_ctx->time_base.den, INT_MAX);
03f30c83 1754 } else
65ed9e75 1755 enc_ctx->time_base = ist->st->time_base;
03f30c83 1756
65ed9e75 1757 ost->parser = av_parser_init(enc_ctx->codec_id);
c872d310 1758
65ed9e75 1759 switch (enc_ctx->codec_type) {
6291d7e4 1760 case AVMEDIA_TYPE_AUDIO:
7636c8c6 1761 if (audio_volume != 256) {
e3245b26 1762 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
636ced8e 1763 exit_program(1);
6291d7e4 1764 }
65ed9e75
AK
1765 enc_ctx->channel_layout = dec_ctx->channel_layout;
1766 enc_ctx->sample_rate = dec_ctx->sample_rate;
1767 enc_ctx->channels = dec_ctx->channels;
1768 enc_ctx->frame_size = dec_ctx->frame_size;
1769 enc_ctx->audio_service_type = dec_ctx->audio_service_type;
1770 enc_ctx->block_align = dec_ctx->block_align;
6291d7e4
AK
1771 break;
1772 case AVMEDIA_TYPE_VIDEO:
65ed9e75
AK
1773 enc_ctx->pix_fmt = dec_ctx->pix_fmt;
1774 enc_ctx->width = dec_ctx->width;
1775 enc_ctx->height = dec_ctx->height;
1776 enc_ctx->has_b_frames = dec_ctx->has_b_frames;
538bf767 1777 if (ost->frame_aspect_ratio)
65ed9e75 1778 sar = av_d2q(ost->frame_aspect_ratio * enc_ctx->height / enc_ctx->width, 255);
538bf767
AK
1779 else if (ist->st->sample_aspect_ratio.num)
1780 sar = ist->st->sample_aspect_ratio;
1781 else
650a5206 1782 sar = dec_ctx->sample_aspect_ratio;
65ed9e75 1783 ost->st->sample_aspect_ratio = enc_ctx->sample_aspect_ratio = sar;
6291d7e4
AK
1784 break;
1785 case AVMEDIA_TYPE_SUBTITLE:
65ed9e75
AK
1786 enc_ctx->width = dec_ctx->width;
1787 enc_ctx->height = dec_ctx->height;
6291d7e4
AK
1788 break;
1789 case AVMEDIA_TYPE_DATA:
3ccd1580 1790 case AVMEDIA_TYPE_ATTACHMENT:
6291d7e4
AK
1791 break;
1792 default:
1793 abort();
1794 }
1795 } else {
2994913d
AK
1796 if (!ost->enc) {
1797 /* should only happen when a default codec is not present. */
1798 snprintf(error, sizeof(error), "Automatic encoder selection "
1799 "failed for output stream #%d:%d. Default encoder for "
1800 "format %s is probably disabled. Please choose an "
1801 "encoder manually.\n", ost->file_index, ost->index,
1802 oc->oformat->name);
1803 ret = AVERROR(EINVAL);
1804 goto dump_format;
1805 }
03f30c83 1806
3b266da3
AK
1807 if (ist)
1808 ist->decoding_needed = 1;
11fdb7e1 1809 ost->encoding_needed = 1;
03f30c83 1810
6656370b
AK
1811 set_encoder_id(output_files[ost->file_index], ost);
1812
74b961db
AK
1813 /*
1814 * We want CFR output if and only if one of those is true:
1815 * 1) user specified output framerate with -r
1816 * 2) user specified -vsync cfr
1817 * 3) output format is CFR and the user didn't force vsync to
1818 * something else than CFR
1819 *
1820 * in such a case, set ost->frame_rate
1821 */
65ed9e75 1822 if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO &&
74b961db
AK
1823 !ost->frame_rate.num && ist &&
1824 (video_sync_method == VSYNC_CFR ||
1825 (video_sync_method == VSYNC_AUTO &&
1826 !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
2ce8bca5
AK
1827 if (ist->framerate.num)
1828 ost->frame_rate = ist->framerate;
1829 else if (ist->st->avg_frame_rate.num)
1830 ost->frame_rate = ist->st->avg_frame_rate;
1831 else {
1832 av_log(NULL, AV_LOG_WARNING, "Constant framerate requested "
1833 "for the output stream #%d:%d, but no information "
1834 "about the input framerate is available. Falling "
1835 "back to a default value of 25fps. Use the -r option "
1836 "if you want a different framerate.\n",
1837 ost->file_index, ost->index);
1838 ost->frame_rate = (AVRational){ 25, 1 };
1839 }
44b0b85f 1840
74b961db
AK
1841 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
1842 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
1843 ost->frame_rate = ost->enc->supported_framerates[idx];
1844 }
1845 }
1846
369cb092 1847 if (!ost->filter &&
65ed9e75
AK
1848 (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
1849 enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) {
3b266da3
AK
1850 FilterGraph *fg;
1851 fg = init_simple_filtergraph(ist, ost);
8daf21d5 1852 if (configure_filtergraph(fg)) {
3b266da3 1853 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
636ced8e 1854 exit_program(1);
3b266da3 1855 }
369cb092 1856 }
3b266da3 1857
65ed9e75 1858 switch (enc_ctx->codec_type) {
369cb092 1859 case AVMEDIA_TYPE_AUDIO:
65ed9e75
AK
1860 enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
1861 enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
1862 enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
1863 enc_ctx->channels = av_get_channel_layout_nb_channels(enc_ctx->channel_layout);
1864 enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
369cb092
AK
1865 break;
1866 case AVMEDIA_TYPE_VIDEO:
65ed9e75 1867 enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
6291d7e4 1868
65ed9e75
AK
1869 enc_ctx->width = ost->filter->filter->inputs[0]->w;
1870 enc_ctx->height = ost->filter->filter->inputs[0]->h;
1871 enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
3b266da3 1872 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
65ed9e75 1873 av_d2q(ost->frame_aspect_ratio * enc_ctx->height/enc_ctx->width, 255) :
3b266da3 1874 ost->filter->filter->inputs[0]->sample_aspect_ratio;
65ed9e75 1875 enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
b7327887 1876
93afb6c9
AK
1877 ost->st->avg_frame_rate = ost->frame_rate;
1878
650a5206 1879 if (dec_ctx &&
65ed9e75
AK
1880 (enc_ctx->width != dec_ctx->width ||
1881 enc_ctx->height != dec_ctx->height ||
1882 enc_ctx->pix_fmt != dec_ctx->pix_fmt)) {
1883 enc_ctx->bits_per_raw_sample = 0;
b7327887
AK
1884 }
1885
19ad5673
AK
1886 if (ost->forced_keyframes)
1887 parse_forced_key_frames(ost->forced_keyframes, ost,
38313626 1888 ost->enc_ctx);
6291d7e4
AK
1889 break;
1890 case AVMEDIA_TYPE_SUBTITLE:
65ed9e75 1891 enc_ctx->time_base = (AVRational){1, 1000};
6291d7e4
AK
1892 break;
1893 default:
1894 abort();
1895 break;
1896 }
1897 /* two pass mode */
65ed9e75 1898 if ((enc_ctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
6291d7e4
AK
1899 char logfilename[1024];
1900 FILE *f;
1901
1902 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
bbcedade
AK
1903 ost->logfile_prefix ? ost->logfile_prefix :
1904 DEFAULT_PASS_LOGFILENAME_PREFIX,
6291d7e4 1905 i);
6e8be949 1906 if (!strcmp(ost->enc->name, "libx264")) {
9580818c 1907 av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
6e8be949 1908 } else {
65ed9e75 1909 if (enc_ctx->flags & CODEC_FLAG_PASS1) {
64334ddb
AK
1910 f = fopen(logfilename, "wb");
1911 if (!f) {
1912 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
1913 logfilename, strerror(errno));
636ced8e 1914 exit_program(1);
64334ddb
AK
1915 }
1916 ost->logfile = f;
1917 } else {
1918 char *logbuffer;
1919 size_t logbuffer_size;
1920 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
1921 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
1922 logfilename);
636ced8e 1923 exit_program(1);
64334ddb 1924 }
65ed9e75 1925 enc_ctx->stats_in = logbuffer;
6291d7e4 1926 }
6e8be949 1927 }
6291d7e4
AK
1928 }
1929 }
6291d7e4
AK
1930 }
1931
1932 /* open each encoder */
4288e031 1933 for (i = 0; i < nb_output_streams; i++) {
2e215267 1934 ost = output_streams[i];
6291d7e4 1935 if (ost->encoding_needed) {
03f30c83 1936 AVCodec *codec = ost->enc;
3b266da3 1937 AVCodecContext *dec = NULL;
3b266da3
AK
1938
1939 if ((ist = get_input_stream(ost)))
41776ba9 1940 dec = ist->dec_ctx;
3b266da3 1941 if (dec && dec->subtitle_header) {
38313626
AK
1942 ost->enc_ctx->subtitle_header = av_malloc(dec->subtitle_header_size);
1943 if (!ost->enc_ctx->subtitle_header) {
6291d7e4
AK
1944 ret = AVERROR(ENOMEM);
1945 goto dump_format;
1946 }
38313626
AK
1947 memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
1948 ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
6291d7e4 1949 }
9580818c
AK
1950 if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
1951 av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
38313626
AK
1952 av_dict_set(&ost->encoder_opts, "side_data_only_packets", "1", 0);
1953
1954 if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
c854102d
NC
1955 if (ret == AVERROR_EXPERIMENTAL)
1956 abort_codec_experimental(codec, 1);
9a414d89 1957 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 1958 ost->file_index, ost->index);
6291d7e4
AK
1959 goto dump_format;
1960 }
9580818c 1961 assert_avoptions(ost->encoder_opts);
38313626 1962 if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
6291d7e4
AK
1963 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
1964 "It takes bits/s as argument, not kbits/s\n");
df0229a7 1965 } else {
38313626
AK
1966 av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
1967 }
1968
1969 ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
1970 if (ret < 0) {
1971 av_log(NULL, AV_LOG_FATAL,
1972 "Error initializing the output stream codec context.\n");
1973 exit_program(1);
6291d7e4 1974 }
3f3232a3
AK
1975
1976 ost->st->time_base = ost->enc_ctx->time_base;
6291d7e4
AK
1977 }
1978
630902a1
AK
1979 /* init input streams */
1980 for (i = 0; i < nb_input_streams; i++)
ea9367e9 1981 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
630902a1 1982 goto dump_format;
6291d7e4 1983
2c474ddb
AK
1984 /* discard unused programs */
1985 for (i = 0; i < nb_input_files; i++) {
2e215267 1986 InputFile *ifile = input_files[i];
2c474ddb
AK
1987 for (j = 0; j < ifile->ctx->nb_programs; j++) {
1988 AVProgram *p = ifile->ctx->programs[j];
1989 int discard = AVDISCARD_ALL;
1990
1991 for (k = 0; k < p->nb_stream_indexes; k++)
2e215267 1992 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2c474ddb
AK
1993 discard = AVDISCARD_DEFAULT;
1994 break;
1995 }
1996 p->discard = discard;
1997 }
1998 }
1999
6291d7e4 2000 /* open files and write file headers */
af70aa45 2001 for (i = 0; i < nb_output_files; i++) {
2e215267 2002 oc = output_files[i]->ctx;
1bb77e51 2003 oc->interrupt_callback = int_cb;
a1a6cdc2
MS
2004 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
2005 char errbuf[128];
1e340af8
LB
2006 av_strerror(ret, errbuf, sizeof(errbuf));
2007 snprintf(error, sizeof(error),
2008 "Could not write header for output file #%d "
2009 "(incorrect codec parameters ?): %s",
2010 i, errbuf);
6291d7e4
AK
2011 ret = AVERROR(EINVAL);
2012 goto dump_format;
2013 }
2e215267 2014 assert_avoptions(output_files[i]->opts);
1bb77e51 2015 if (strcmp(oc->oformat->name, "rtp")) {
6291d7e4
AK
2016 want_sdp = 0;
2017 }
2018 }
2019
2020 dump_format:
2021 /* dump the file output parameters - cannot be done before in case
2022 of stream copy */
03f30c83 2023 for (i = 0; i < nb_output_files; i++) {
2e215267 2024 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
6291d7e4
AK
2025 }
2026
2027 /* dump the stream mapping */
e3245b26 2028 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3b266da3
AK
2029 for (i = 0; i < nb_input_streams; i++) {
2030 ist = input_streams[i];
2031
2032 for (j = 0; j < ist->nb_filters; j++) {
3b266da3
AK
2033 if (ist->filters[j]->graph->graph_desc) {
2034 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2035 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
cf6c38c6 2036 ist->filters[j]->name);
3b266da3
AK
2037 if (nb_filtergraphs > 1)
2038 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2039 av_log(NULL, AV_LOG_INFO, "\n");
2040 }
2041 }
2042 }
2043
e3245b26 2044 for (i = 0; i < nb_output_streams; i++) {
2e215267 2045 ost = output_streams[i];
4dbc6cee
AK
2046
2047 if (ost->attachment_filename) {
2048 /* an attached file */
2049 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2050 ost->attachment_filename, ost->file_index, ost->index);
2051 continue;
2052 }
3b266da3
AK
2053
2054 if (ost->filter && ost->filter->graph->graph_desc) {
2055 /* output from a complex graph */
cf6c38c6 2056 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3b266da3
AK
2057 if (nb_filtergraphs > 1)
2058 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2059
2060 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2061 ost->index, ost->enc ? ost->enc->name : "?");
2062 continue;
2063 }
2064
9a414d89 2065 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2e215267
AK
2066 input_streams[ost->source_index]->file_index,
2067 input_streams[ost->source_index]->st->index,
e3245b26
AK
2068 ost->file_index,
2069 ost->index);
2e215267 2070 if (ost->sync_ist != input_streams[ost->source_index])
9a414d89 2071 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
e3245b26
AK
2072 ost->sync_ist->file_index,
2073 ost->sync_ist->st->index);
3d813e4c 2074 if (ost->stream_copy)
e3245b26 2075 av_log(NULL, AV_LOG_INFO, " (copy)");
39ec5e1c
LB
2076 else {
2077 const AVCodec *in_codec = input_streams[ost->source_index]->dec;
2078 const AVCodec *out_codec = ost->enc;
2079 const char *decoder_name = "?";
2080 const char *in_codec_name = "?";
2081 const char *encoder_name = "?";
2082 const char *out_codec_name = "?";
2083
2084 if (in_codec) {
2085 decoder_name = in_codec->name;
2086 in_codec_name = avcodec_descriptor_get(in_codec->id)->name;
2087 if (!strcmp(decoder_name, in_codec_name))
2088 decoder_name = "native";
2089 }
2090
2091 if (out_codec) {
2092 encoder_name = out_codec->name;
2093 out_codec_name = avcodec_descriptor_get(out_codec->id)->name;
71d6551e 2094 if (!strcmp(encoder_name, out_codec_name))
39ec5e1c
LB
2095 encoder_name = "native";
2096 }
2097
2098 av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
2099 in_codec_name, decoder_name,
2100 out_codec_name, encoder_name);
2101 }
e3245b26 2102 av_log(NULL, AV_LOG_INFO, "\n");
6291d7e4
AK
2103 }
2104
2105 if (ret) {
e3245b26 2106 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
eaf2d37a 2107 return ret;
6291d7e4
AK
2108 }
2109
2110 if (want_sdp) {
ea9367e9 2111 print_sdp();
6291d7e4
AK
2112 }
2113
eaf2d37a
AC
2114 return 0;
2115}
2116
c1ef30a6 2117/* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
2f51ec2b
AK
2118static int need_output(void)
2119{
2120 int i;
2121
2122 for (i = 0; i < nb_output_streams; i++) {
2123 OutputStream *ost = output_streams[i];
2124 OutputFile *of = output_files[ost->file_index];
2125 AVFormatContext *os = output_files[ost->file_index]->ctx;
2126
57d24225 2127 if (ost->finished ||
2f51ec2b
AK
2128 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2129 continue;
e58b75f7 2130 if (ost->frame_number >= ost->max_frames) {
2f51ec2b
AK
2131 int j;
2132 for (j = 0; j < of->ctx->nb_streams; j++)
57d24225 2133 output_streams[of->ost_index + j]->finished = 1;
2f51ec2b
AK
2134 continue;
2135 }
2136
2137 return 1;
2138 }
2139
2140 return 0;
2141}
2142
83916029 2143static InputFile *select_input_file(void)
a508e7a1 2144{
83916029 2145 InputFile *ifile = NULL;
a508e7a1 2146 int64_t ipts_min = INT64_MAX;
83916029 2147 int i;
a508e7a1
AK
2148
2149 for (i = 0; i < nb_input_streams; i++) {
2150 InputStream *ist = input_streams[i];
2151 int64_t ipts = ist->last_dts;
2152
0b26ef42 2153 if (ist->discard || input_files[ist->file_index]->eagain)
a508e7a1
AK
2154 continue;
2155 if (!input_files[ist->file_index]->eof_reached) {
2156 if (ipts < ipts_min) {
2157 ipts_min = ipts;
83916029 2158 ifile = input_files[ist->file_index];
a508e7a1
AK
2159 }
2160 }
2161 }
2162
83916029 2163 return ifile;
a508e7a1
AK
2164}
2165
47b812e9 2166#if HAVE_PTHREADS
5db5169e
AK
2167static void *input_thread(void *arg)
2168{
2169 InputFile *f = arg;
2170 int ret = 0;
2171
2172 while (!transcoding_finished && ret >= 0) {
2173 AVPacket pkt;
2174 ret = av_read_frame(f->ctx, &pkt);
2175
2176 if (ret == AVERROR(EAGAIN)) {
896bb0d7 2177 av_usleep(10000);
5db5169e
AK
2178 ret = 0;
2179 continue;
2180 } else if (ret < 0)
2181 break;
2182
2183 pthread_mutex_lock(&f->fifo_lock);
2184 while (!av_fifo_space(f->fifo))
2185 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
2186
2187 av_dup_packet(&pkt);
2188 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
2189
2190 pthread_mutex_unlock(&f->fifo_lock);
2191 }
2192
2193 f->finished = 1;
2194 return NULL;
2195}
2196
2197static void free_input_threads(void)
2198{
2199 int i;
2200
2201 if (nb_input_files == 1)
2202 return;
2203
2204 transcoding_finished = 1;
2205
2206 for (i = 0; i < nb_input_files; i++) {
2207 InputFile *f = input_files[i];
2208 AVPacket pkt;
2209
9034b0ed 2210 if (!f->fifo || f->joined)
5db5169e
AK
2211 continue;
2212
2213 pthread_mutex_lock(&f->fifo_lock);
2214 while (av_fifo_size(f->fifo)) {
2215 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2216 av_free_packet(&pkt);
2217 }
2218 pthread_cond_signal(&f->fifo_cond);
2219 pthread_mutex_unlock(&f->fifo_lock);
2220
2221 pthread_join(f->thread, NULL);
2222 f->joined = 1;
2223
2224 while (av_fifo_size(f->fifo)) {
2225 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2226 av_free_packet(&pkt);
2227 }
2228 av_fifo_free(f->fifo);
2229 }
2230}
2231
2232static int init_input_threads(void)
2233{
2234 int i, ret;
2235
2236 if (nb_input_files == 1)
2237 return 0;
2238
2239 for (i = 0; i < nb_input_files; i++) {
2240 InputFile *f = input_files[i];
2241
2242 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
2243 return AVERROR(ENOMEM);
2244
2245 pthread_mutex_init(&f->fifo_lock, NULL);
2246 pthread_cond_init (&f->fifo_cond, NULL);
2247
2248 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
2249 return AVERROR(ret);
2250 }
2251 return 0;
2252}
2253
2254static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
2255{
2256 int ret = 0;
2257
2258 pthread_mutex_lock(&f->fifo_lock);
2259
2260 if (av_fifo_size(f->fifo)) {
2261 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
2262 pthread_cond_signal(&f->fifo_cond);
2263 } else {
2264 if (f->finished)
2265 ret = AVERROR_EOF;
2266 else
2267 ret = AVERROR(EAGAIN);
2268 }
2269
2270 pthread_mutex_unlock(&f->fifo_lock);
2271
2272 return ret;
2273}
2274#endif
2275
2276static int get_input_packet(InputFile *f, AVPacket *pkt)
2277{
b4a5a292
AK
2278 if (f->rate_emu) {
2279 int i;
2280 for (i = 0; i < f->nb_streams; i++) {
2281 InputStream *ist = input_streams[f->ist_index + i];
2282 int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
2283 int64_t now = av_gettime() - ist->start;
2284 if (pts > now)
2285 return AVERROR(EAGAIN);
2286 }
2287 }
2288
47b812e9 2289#if HAVE_PTHREADS
5db5169e
AK
2290 if (nb_input_files > 1)
2291 return get_input_packet_mt(f, pkt);
2292#endif
2293 return av_read_frame(f->ctx, pkt);
2294}
2295
0b26ef42
AK
2296static int got_eagain(void)
2297{
2298 int i;
2299 for (i = 0; i < nb_input_files; i++)
2300 if (input_files[i]->eagain)
2301 return 1;
2302 return 0;
2303}
2304
2305static void reset_eagain(void)
2306{
2307 int i;
2308 for (i = 0; i < nb_input_files; i++)
2309 input_files[i]->eagain = 0;
2310}
2311
c1ef30a6 2312/*
0c00fd80
AK
2313 * Read one packet from an input file and send it for
2314 * - decoding -> lavfi (audio/video)
2315 * - decoding -> encoding -> muxing (subtitles)
2316 * - muxing (streamcopy)
2317 *
c1ef30a6 2318 * Return
0c00fd80
AK
2319 * - 0 -- one packet was read and processed
2320 * - AVERROR(EAGAIN) -- no packets were available for selected file,
2321 * this function should be called again
2322 * - AVERROR_EOF -- this function should not be called again
2323 */
2324static int process_input(void)
2325{
2326 InputFile *ifile;
2327 AVFormatContext *is;
2328 InputStream *ist;
2329 AVPacket pkt;
2330 int ret, i, j;
2331
2332 /* select the stream that we must read now */
2333 ifile = select_input_file();
2334 /* if none, if is finished */
2335 if (!ifile) {
2336 if (got_eagain()) {
2337 reset_eagain();
2338 av_usleep(10000);
2339 return AVERROR(EAGAIN);
2340 }
2341 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from.\n");
2342 return AVERROR_EOF;
2343 }
2344
2345 is = ifile->ctx;
2346 ret = get_input_packet(ifile, &pkt);
2347
2348 if (ret == AVERROR(EAGAIN)) {
2349 ifile->eagain = 1;
2350 return ret;
2351 }
2352 if (ret < 0) {
2353 if (ret != AVERROR_EOF) {
2354 print_error(is->filename, ret);
2355 if (exit_on_error)
636ced8e 2356 exit_program(1);
0c00fd80
AK
2357 }
2358 ifile->eof_reached = 1;
2359
2360 for (i = 0; i < ifile->nb_streams; i++) {
2361 ist = input_streams[ifile->ist_index + i];
2362 if (ist->decoding_needed)
aa51b049 2363 process_input_packet(ist, NULL);
0c00fd80
AK
2364
2365 /* mark all outputs that don't go through lavfi as finished */
2366 for (j = 0; j < nb_output_streams; j++) {
2367 OutputStream *ost = output_streams[j];
2368
2369 if (ost->source_index == ifile->ist_index + i &&
2370 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
48e50921 2371 finish_output_stream(ost);
0c00fd80
AK
2372 }
2373 }
2374
3c0df905 2375 return AVERROR(EAGAIN);
0c00fd80
AK
2376 }
2377
2378 reset_eagain();
2379
2380 if (do_pkt_dump) {
2381 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2382 is->streams[pkt.stream_index]);
2383 }
2384 /* the following test is needed in case new streams appear
2385 dynamically in stream : we ignore them */
2386 if (pkt.stream_index >= ifile->nb_streams)
2387 goto discard_packet;
2388
2389 ist = input_streams[ifile->ist_index + pkt.stream_index];
47543450
AK
2390
2391 ist->data_size += pkt.size;
59444c76 2392 ist->nb_packets++;
47543450 2393
0c00fd80
AK
2394 if (ist->discard)
2395 goto discard_packet;
2396
59444c76
AK
2397 /* add the stream-global side data to the first packet */
2398 if (ist->nb_packets == 1)
2399 for (i = 0; i < ist->st->nb_side_data; i++) {
2400 AVPacketSideData *src_sd = &ist->st->side_data[i];
2401 uint8_t *dst_data;
2402
2403 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
2404 continue;
2405
2406 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
2407 if (!dst_data)
2408 exit_program(1);
2409
2410 memcpy(dst_data, src_sd->data, src_sd->size);
2411 }
2412
0c00fd80
AK
2413 if (pkt.dts != AV_NOPTS_VALUE)
2414 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2415 if (pkt.pts != AV_NOPTS_VALUE)
2416 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2417
2418 if (pkt.pts != AV_NOPTS_VALUE)
2419 pkt.pts *= ist->ts_scale;
2420 if (pkt.dts != AV_NOPTS_VALUE)
2421 pkt.dts *= ist->ts_scale;
2422
6cfbe1de
LB
2423 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
2424 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
2425 pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
0c00fd80
AK
2426 (is->iformat->flags & AVFMT_TS_DISCONT)) {
2427 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2428 int64_t delta = pkt_dts - ist->next_dts;
2429
2430 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
2431 ifile->ts_offset -= delta;
2432 av_log(NULL, AV_LOG_DEBUG,
2433 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2434 delta, ifile->ts_offset);
2435 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2436 if (pkt.pts != AV_NOPTS_VALUE)
2437 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2438 }
2439 }
2440
aa51b049 2441 ret = process_input_packet(ist, &pkt);
0c00fd80
AK
2442 if (ret < 0) {
2443 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
2444 ist->file_index, ist->st->index);
2445 if (exit_on_error)
636ced8e 2446 exit_program(1);
0c00fd80
AK
2447 }
2448
2449discard_packet:
2450 av_free_packet(&pkt);
2451
2452 return 0;
2453}
2454
eaf2d37a
AC
2455/*
2456 * The following code is the main loop of the file converter
2457 */
ea9367e9 2458static int transcode(void)
eaf2d37a 2459{
0c00fd80
AK
2460 int ret, i, need_input = 1;
2461 AVFormatContext *os;
eaf2d37a
AC
2462 OutputStream *ost;
2463 InputStream *ist;
eaf2d37a
AC
2464 int64_t timer_start;
2465
ea9367e9 2466 ret = transcode_init();
eaf2d37a
AC
2467 if (ret < 0)
2468 goto fail;
2469
e3245b26 2470 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
6291d7e4
AK
2471 term_init();
2472
2473 timer_start = av_gettime();
2474
47b812e9 2475#if HAVE_PTHREADS
5db5169e
AK
2476 if ((ret = init_input_threads()) < 0)
2477 goto fail;
2478#endif
2479
c0fbf971 2480 while (!received_sigterm) {
3b266da3 2481 /* check if there's any stream where output is still needed */
2f51ec2b
AK
2482 if (!need_output()) {
2483 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3b266da3 2484 break;
2f51ec2b 2485 }
3b266da3 2486
0c00fd80
AK
2487 /* read and process one input packet if needed */
2488 if (need_input) {
2489 ret = process_input();
2490 if (ret == AVERROR_EOF)
2491 need_input = 0;
6291d7e4
AK
2492 }
2493
0c00fd80 2494 ret = poll_filters();
6291d7e4 2495 if (ret < 0) {
0c00fd80 2496 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
6291d7e4 2497 continue;
6291d7e4 2498
0c00fd80
AK
2499 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
2500 break;
6291d7e4
AK
2501 }
2502
6291d7e4 2503 /* dump report by using the output first video and audio streams */
ea9367e9 2504 print_report(0, timer_start);
6291d7e4 2505 }
47b812e9 2506#if HAVE_PTHREADS
5db5169e
AK
2507 free_input_threads();
2508#endif
6291d7e4
AK
2509
2510 /* at the end of stream, we must flush the decoder buffers */
2511 for (i = 0; i < nb_input_streams; i++) {
2e215267 2512 ist = input_streams[i];
9e8aae44 2513 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
aa51b049 2514 process_input_packet(ist, NULL);
6291d7e4
AK
2515 }
2516 }
560f7774 2517 poll_filters();
ea9367e9 2518 flush_encoders();
6291d7e4
AK
2519
2520 term_exit();
2521
2522 /* write the trailer if needed and close file */
7636c8c6 2523 for (i = 0; i < nb_output_files; i++) {
2e215267 2524 os = output_files[i]->ctx;
6291d7e4
AK
2525 av_write_trailer(os);
2526 }
2527
2528 /* dump report by using the first video and audio streams */
ea9367e9 2529 print_report(1, timer_start);
6291d7e4
AK
2530
2531 /* close each encoder */
4288e031 2532 for (i = 0; i < nb_output_streams; i++) {
2e215267 2533 ost = output_streams[i];
6291d7e4 2534 if (ost->encoding_needed) {
38313626 2535 av_freep(&ost->enc_ctx->stats_in);
6291d7e4 2536 }
6291d7e4
AK
2537 }
2538
2539 /* close each decoder */
2540 for (i = 0; i < nb_input_streams; i++) {
2e215267 2541 ist = input_streams[i];
6291d7e4 2542 if (ist->decoding_needed) {
41776ba9 2543 avcodec_close(ist->dec_ctx);
07fd0a22 2544 if (ist->hwaccel_uninit)
41776ba9 2545 ist->hwaccel_uninit(ist->dec_ctx);
6291d7e4
AK
2546 }
2547 }
2548
2549 /* finished ! */
2550 ret = 0;
2551
2552 fail:
47b812e9 2553#if HAVE_PTHREADS
5db5169e
AK
2554 free_input_threads();
2555#endif
6291d7e4 2556
4288e031
AK
2557 if (output_streams) {
2558 for (i = 0; i < nb_output_streams; i++) {
2e215267 2559 ost = output_streams[i];
6291d7e4 2560 if (ost) {
6291d7e4
AK
2561 if (ost->logfile) {
2562 fclose(ost->logfile);
2563 ost->logfile = NULL;
2564 }
6291d7e4 2565 av_free(ost->forced_kf_pts);
9580818c 2566 av_dict_free(&ost->encoder_opts);
5c7db097 2567 av_dict_free(&ost->resample_opts);
6291d7e4
AK
2568 }
2569 }
6291d7e4
AK
2570 }
2571 return ret;
2572}
2573
f5e66827 2574static int64_t getutime(void)
a2c0b830 2575{
f5e66827
AK
2576#if HAVE_GETRUSAGE
2577 struct rusage rusage;
a2c0b830 2578
f5e66827
AK
2579 getrusage(RUSAGE_SELF, &rusage);
2580 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2581#elif HAVE_GETPROCESSTIMES
2582 HANDLE proc;
2583 FILETIME c, e, k, u;
2584 proc = GetCurrentProcess();
2585 GetProcessTimes(proc, &c, &e, &k, &u);
2586 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
2587#else
2588 return av_gettime();
2589#endif
a2c0b830
AK
2590}
2591
f5e66827 2592static int64_t getmaxrss(void)
6291d7e4 2593{
f5e66827
AK
2594#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
2595 struct rusage rusage;
2596 getrusage(RUSAGE_SELF, &rusage);
2597 return (int64_t)rusage.ru_maxrss * 1024;
2598#elif HAVE_GETPROCESSMEMORYINFO
2599 HANDLE proc;
2600 PROCESS_MEMORY_COUNTERS memcounters;
2601 proc = GetCurrentProcess();
2602 memcounters.cb = sizeof(memcounters);
2603 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
2604 return memcounters.PeakPagefileUsage;
2605#else
6291d7e4 2606 return 0;
f5e66827 2607#endif
6291d7e4
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2608}
2609
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2610int main(int argc, char **argv)
2611{
77bd1bc7 2612 int ret;
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2613 int64_t ti;
2614
636ced8e 2615 register_exit(avconv_cleanup);
5e3f9979 2616
6291d7e4 2617 av_log_set_flags(AV_LOG_SKIP_REPEATED);
182cbe43 2618 parse_loglevel(argc, argv, options);
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2619
2620 avcodec_register_all();
2621#if CONFIG_AVDEVICE
2622 avdevice_register_all();
2623#endif
6291d7e4 2624 avfilter_register_all();
6291d7e4 2625 av_register_all();
776f2bb9 2626 avformat_network_init();
6291d7e4 2627
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2628 show_banner();
2629
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2630 /* parse options and open all input/output files */
2631 ret = avconv_parse_options(argc, argv);
2632 if (ret < 0)
636ced8e 2633 exit_program(1);
6291d7e4 2634
7636c8c6 2635 if (nb_output_files <= 0 && nb_input_files == 0) {
6291d7e4 2636 show_usage();
e3245b26 2637 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
636ced8e 2638 exit_program(1);
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2639 }
2640
2641 /* file converter / grab */
2642 if (nb_output_files <= 0) {
2643 fprintf(stderr, "At least one output file must be specified\n");
636ced8e 2644 exit_program(1);
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2645 }
2646
6291d7e4 2647 ti = getutime();
ea9367e9 2648 if (transcode() < 0)
636ced8e 2649 exit_program(1);
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2650 ti = getutime() - ti;
2651 if (do_benchmark) {
2652 int maxrss = getmaxrss() / 1024;
2653 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
2654 }
2655
636ced8e 2656 exit_program(0);
dad09ff9 2657 return 0;
6291d7e4 2658}