avconv: factor out flushing the filters
[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;
c854102d
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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;
fd41cb43
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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;
3892bdab 321 AVCodecContext *avctx = ost->encoding_needed ? ost->enc_ctx : ost->st->codec;
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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
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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
87ef060c
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;
87ef060c
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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;
59b55c49 567 in_picture->pict_type = 0;
39885a4b 568 if (ost->forced_kf_index < ost->forced_kf_count &&
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569 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
570 in_picture->pict_type = AV_PICTURE_TYPE_I;
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571 ost->forced_kf_index++;
572 }
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573
574 ost->frames_encoded++;
575
9b2dc295 576 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
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577 if (ret < 0) {
578 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
636ced8e 579 exit_program(1);
39885a4b 580 }
6291d7e4 581
39885a4b 582 if (got_packet) {
452860d7 583 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
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584 write_frame(s, &pkt, ost);
585 *frame_size = pkt.size;
324fbadf 586
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587 /* if two pass, output log */
588 if (ost->logfile && enc->stats_out) {
589 fprintf(ost->logfile, "%s", enc->stats_out);
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590 }
591 }
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592 }
593 ost->sync_opts++;
594 /*
595 * For video, number of frames in == number of packets out.
596 * But there may be reordering, so we can't throw away frames on encoder
597 * flush, we need to limit them here, before they go into encoder.
598 */
599 ost->frame_number++;
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600}
601
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602static double psnr(double d)
603{
604 return -10.0 * log(d) / log(10.0);
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605}
606
70478746 607static void do_video_stats(OutputStream *ost, int frame_size)
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608{
609 AVCodecContext *enc;
610 int frame_number;
611 double ti1, bitrate, avg_bitrate;
612
613 /* this is executed just the first time do_video_stats is called */
614 if (!vstats_file) {
615 vstats_file = fopen(vstats_filename, "w");
616 if (!vstats_file) {
617 perror("fopen");
636ced8e 618 exit_program(1);
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619 }
620 }
621
38313626 622 enc = ost->enc_ctx;
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623 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
624 frame_number = ost->frame_number;
7636c8c6 625 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
6291d7e4 626 if (enc->flags&CODEC_FLAG_PSNR)
7636c8c6 627 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
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628
629 fprintf(vstats_file,"f_size= %6d ", frame_size);
630 /* compute pts value */
631 ti1 = ost->sync_opts * av_q2d(enc->time_base);
632 if (ti1 < 0.01)
633 ti1 = 0.01;
634
7636c8c6 635 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
baeb59d8 636 avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
6291d7e4 637 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
baeb59d8 638 (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
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639 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
640 }
641}
642
c1ef30a6 643/*
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644 * Read one frame for lavfi output for ost and encode it.
645 */
646static int poll_filter(OutputStream *ost)
560f7774 647{
a4f50110 648 OutputFile *of = output_files[ost->file_index];
560f7774 649 AVFrame *filtered_frame = NULL;
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650 int frame_size, ret;
651
5b9c3b45 652 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
a4f50110 653 return AVERROR(ENOMEM);
674fa491 654 }
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655 filtered_frame = ost->filtered_frame;
656
657 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
658 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
9b2dc295 659 ret = av_buffersink_get_samples(ost->filter->filter, filtered_frame,
38313626 660 ost->enc_ctx->frame_size);
a4f50110 661 else
9b2dc295 662 ret = av_buffersink_get_frame(ost->filter->filter, filtered_frame);
369cb092 663
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664 if (ret < 0)
665 return ret;
560f7774 666
9b2dc295 667 if (filtered_frame->pts != AV_NOPTS_VALUE) {
56ee3f9d 668 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
9b2dc295 669 filtered_frame->pts = av_rescale_q(filtered_frame->pts,
a4f50110 670 ost->filter->filter->inputs[0]->time_base,
38313626 671 ost->enc_ctx->time_base) -
56ee3f9d 672 av_rescale_q(start_time,
a4f50110 673 AV_TIME_BASE_Q,
38313626 674 ost->enc_ctx->time_base);
560f7774 675 }
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676
677 switch (ost->filter->filter->inputs[0]->type) {
678 case AVMEDIA_TYPE_VIDEO:
679 if (!ost->frame_aspect_ratio)
38313626 680 ost->enc_ctx->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
a4f50110 681
fb722a90 682 do_video_out(of->ctx, ost, filtered_frame, &frame_size);
a4f50110 683 if (vstats_filename && frame_size)
70478746 684 do_video_stats(ost, frame_size);
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685 break;
686 case AVMEDIA_TYPE_AUDIO:
687 do_audio_out(of->ctx, ost, filtered_frame);
688 break;
689 default:
690 // TODO support subtitle filters
691 av_assert0(0);
692 }
693
9b2dc295 694 av_frame_unref(filtered_frame);
a4f50110 695
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696 return 0;
697}
698
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699static void finish_output_stream(OutputStream *ost)
700{
701 OutputFile *of = output_files[ost->file_index];
702 int i;
703
704 ost->finished = 1;
705
706 if (of->shortest) {
707 for (i = 0; i < of->ctx->nb_streams; i++)
708 output_streams[of->ost_index + i]->finished = 1;
709 }
710}
711
c1ef30a6 712/*
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713 * Read as many frames from possible from lavfi and encode them.
714 *
715 * Always read from the active stream with the lowest timestamp. If no frames
716 * are available for it then return EAGAIN and wait for more input. This way we
717 * can use lavfi sources that generate unlimited amount of frames without memory
718 * usage exploding.
719 */
720static int poll_filters(void)
721{
48e50921 722 int i, ret = 0;
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723
724 while (ret >= 0 && !received_sigterm) {
725 OutputStream *ost = NULL;
726 int64_t min_pts = INT64_MAX;
727
728 /* choose output stream with the lowest timestamp */
729 for (i = 0; i < nb_output_streams; i++) {
730 int64_t pts = output_streams[i]->sync_opts;
731
57d24225 732 if (!output_streams[i]->filter || output_streams[i]->finished)
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733 continue;
734
38313626 735 pts = av_rescale_q(pts, output_streams[i]->enc_ctx->time_base,
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736 AV_TIME_BASE_Q);
737 if (pts < min_pts) {
738 min_pts = pts;
739 ost = output_streams[i];
740 }
741 }
742
743 if (!ost)
744 break;
745
746 ret = poll_filter(ost);
747
748 if (ret == AVERROR_EOF) {
48e50921 749 finish_output_stream(ost);
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750 ret = 0;
751 } else if (ret == AVERROR(EAGAIN))
752 return 0;
753 }
754
755 return ret;
756}
757
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758static void print_final_stats(int64_t total_size)
759{
760 uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
761 uint64_t data_size = 0;
762 float percent = -1.0;
47543450 763 int i, j;
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764
765 for (i = 0; i < nb_output_streams; i++) {
766 OutputStream *ost = output_streams[i];
38313626 767 switch (ost->enc_ctx->codec_type) {
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768 case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
769 case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
770 default: other_size += ost->data_size; break;
771 }
38313626 772 extra_size += ost->enc_ctx->extradata_size;
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773 data_size += ost->data_size;
774 }
775
776 if (data_size && total_size >= data_size)
777 percent = 100.0 * (total_size - data_size) / data_size;
778
779 av_log(NULL, AV_LOG_INFO, "\n");
780 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB other streams:%1.0fkB global headers:%1.0fkB muxing overhead: ",
781 video_size / 1024.0,
782 audio_size / 1024.0,
783 other_size / 1024.0,
784 extra_size / 1024.0);
785 if (percent >= 0.0)
786 av_log(NULL, AV_LOG_INFO, "%f%%", percent);
787 else
788 av_log(NULL, AV_LOG_INFO, "unknown");
789 av_log(NULL, AV_LOG_INFO, "\n");
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790
791 /* print verbose per-stream stats */
792 for (i = 0; i < nb_input_files; i++) {
793 InputFile *f = input_files[i];
794 uint64_t total_packets = 0, total_size = 0;
795
796 av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
797 i, f->ctx->filename);
798
799 for (j = 0; j < f->nb_streams; j++) {
800 InputStream *ist = input_streams[f->ist_index + j];
41776ba9 801 enum AVMediaType type = ist->dec_ctx->codec_type;
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802
803 total_size += ist->data_size;
804 total_packets += ist->nb_packets;
805
806 av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
807 i, j, media_type_string(type));
808 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
809 ist->nb_packets, ist->data_size);
810
811 if (ist->decoding_needed) {
812 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
813 ist->frames_decoded);
814 if (type == AVMEDIA_TYPE_AUDIO)
815 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
816 av_log(NULL, AV_LOG_VERBOSE, "; ");
817 }
818
819 av_log(NULL, AV_LOG_VERBOSE, "\n");
820 }
821
822 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
823 total_packets, total_size);
824 }
825
826 for (i = 0; i < nb_output_files; i++) {
827 OutputFile *of = output_files[i];
828 uint64_t total_packets = 0, total_size = 0;
829
830 av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
831 i, of->ctx->filename);
832
833 for (j = 0; j < of->ctx->nb_streams; j++) {
834 OutputStream *ost = output_streams[of->ost_index + j];
38313626 835 enum AVMediaType type = ost->enc_ctx->codec_type;
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836
837 total_size += ost->data_size;
838 total_packets += ost->packets_written;
839
840 av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
841 i, j, media_type_string(type));
842 if (ost->encoding_needed) {
843 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
844 ost->frames_encoded);
845 if (type == AVMEDIA_TYPE_AUDIO)
846 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
847 av_log(NULL, AV_LOG_VERBOSE, "; ");
848 }
849
850 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
851 ost->packets_written, ost->data_size);
852
853 av_log(NULL, AV_LOG_VERBOSE, "\n");
854 }
855
856 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
857 total_packets, total_size);
858 }
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859}
860
ea9367e9 861static void print_report(int is_last_report, int64_t timer_start)
6291d7e4
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862{
863 char buf[1024];
864 OutputStream *ost;
865 AVFormatContext *oc;
866 int64_t total_size;
867 AVCodecContext *enc;
868 int frame_number, vid, i;
869 double bitrate, ti1, pts;
870 static int64_t last_time = -1;
871 static int qp_histogram[52];
872
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873 if (!print_stats && !is_last_report)
874 return;
875
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876 if (!is_last_report) {
877 int64_t cur_time;
878 /* display the report every 0.5 seconds */
d0c09302 879 cur_time = av_gettime_relative();
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880 if (last_time == -1) {
881 last_time = cur_time;
882 return;
883 }
884 if ((cur_time - last_time) < 500000)
885 return;
886 last_time = cur_time;
887 }
888
889
2e215267 890 oc = output_files[0]->ctx;
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891
892 total_size = avio_size(oc->pb);
1b891d17 893 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
7636c8c6 894 total_size = avio_tell(oc->pb);
1b891d17
JG
895 if (total_size < 0) {
896 char errbuf[128];
897 av_strerror(total_size, errbuf, sizeof(errbuf));
898 av_log(NULL, AV_LOG_VERBOSE, "Bitrate not available, "
899 "avio_tell() failed: %s\n", errbuf);
900 total_size = 0;
901 }
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902
903 buf[0] = '\0';
904 ti1 = 1e10;
905 vid = 0;
ea9367e9 906 for (i = 0; i < nb_output_streams; i++) {
6291d7e4 907 float q = -1;
2e215267 908 ost = output_streams[i];
38313626 909 enc = ost->enc_ctx;
3d813e4c 910 if (!ost->stream_copy && enc->coded_frame)
7636c8c6 911 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
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912 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
913 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
914 }
915 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
d0c09302 916 float t = (av_gettime_relative() - timer_start) / 1000000.0;
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917
918 frame_number = ost->frame_number;
919 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
7636c8c6
AD
920 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
921 if (is_last_report)
6291d7e4 922 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
7636c8c6 923 if (qp_hist) {
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924 int j;
925 int qp = lrintf(q);
7636c8c6 926 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
6291d7e4 927 qp_histogram[qp]++;
7636c8c6 928 for (j = 0; j < 32; j++)
d752509b 929 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
6291d7e4 930 }
7636c8c6 931 if (enc->flags&CODEC_FLAG_PSNR) {
6291d7e4 932 int j;
7636c8c6
AD
933 double error, error_sum = 0;
934 double scale, scale_sum = 0;
935 char type[3] = { 'Y','U','V' };
6291d7e4 936 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
7636c8c6
AD
937 for (j = 0; j < 3; j++) {
938 if (is_last_report) {
939 error = enc->error[j];
940 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
941 } else {
942 error = enc->coded_frame->error[j];
943 scale = enc->width * enc->height * 255.0 * 255.0;
6291d7e4 944 }
7636c8c6
AD
945 if (j)
946 scale /= 4;
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947 error_sum += error;
948 scale_sum += scale;
7636c8c6 949 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
6291d7e4 950 }
7636c8c6 951 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
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952 }
953 vid = 1;
954 }
955 /* compute min output value */
dc40d886 956 pts = (double)ost->last_mux_dts * av_q2d(ost->st->time_base);
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957 if ((pts < ti1) && (pts > 0))
958 ti1 = pts;
959 }
960 if (ti1 < 0.01)
961 ti1 = 0.01;
962
e3245b26 963 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
6291d7e4 964
e3245b26 965 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
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966 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
967 (double)total_size / 1024, ti1, bitrate);
968
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969 if (nb_frames_drop)
970 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " drop=%d",
971 nb_frames_drop);
6291d7e4 972
f5646a32 973 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
6291d7e4 974
e3245b26 975 fflush(stderr);
6291d7e4 976
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977 if (is_last_report)
978 print_final_stats(total_size);
baeb59d8 979
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980}
981
ea9367e9 982static void flush_encoders(void)
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983{
984 int i, ret;
985
ea9367e9 986 for (i = 0; i < nb_output_streams; i++) {
2e215267 987 OutputStream *ost = output_streams[i];
38313626 988 AVCodecContext *enc = ost->enc_ctx;
2e215267 989 AVFormatContext *os = output_files[ost->file_index]->ctx;
ee458cb1 990 int stop_encoding = 0;
6f1c66d5 991
b62b5cb6 992 if (!ost->encoding_needed)
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993 continue;
994
38313626 995 if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
6f1c66d5 996 continue;
38313626 997 if (enc->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
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998 continue;
999
7636c8c6 1000 for (;;) {
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1001 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1002 const char *desc;
6f1c66d5 1003
38313626 1004 switch (enc->codec_type) {
6f1c66d5 1005 case AVMEDIA_TYPE_AUDIO:
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1006 encode = avcodec_encode_audio2;
1007 desc = "Audio";
6f1c66d5
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1008 break;
1009 case AVMEDIA_TYPE_VIDEO:
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1010 encode = avcodec_encode_video2;
1011 desc = "Video";
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1012 break;
1013 default:
1014 stop_encoding = 1;
1015 }
1016
1017 if (encode) {
1018 AVPacket pkt;
1019 int got_packet;
1020 av_init_packet(&pkt);
1021 pkt.data = NULL;
1022 pkt.size = 0;
1023
1024 ret = encode(enc, &pkt, NULL, &got_packet);
6f1c66d5 1025 if (ret < 0) {
369cb092 1026 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
636ced8e 1027 exit_program(1);
6f1c66d5 1028 }
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1029 if (ost->logfile && enc->stats_out) {
1030 fprintf(ost->logfile, "%s", enc->stats_out);
1031 }
8e37038a 1032 if (!got_packet) {
ee458cb1
JR
1033 stop_encoding = 1;
1034 break;
1035 }
452860d7 1036 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
ee458cb1 1037 write_frame(os, &pkt, ost);
4a4ce2e7 1038 }
369cb092 1039
ee458cb1 1040 if (stop_encoding)
6f1c66d5 1041 break;
4a4ce2e7
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1042 }
1043 }
1044}
1045
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1046/*
1047 * Check whether a packet from ist should be written into ost at this time
1048 */
1049static int check_output_constraints(InputStream *ist, OutputStream *ost)
1050{
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1051 OutputFile *of = output_files[ost->file_index];
1052 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
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1053
1054 if (ost->source_index != ist_index)
1055 return 0;
1056
56ee3f9d 1057 if (of->start_time != AV_NOPTS_VALUE && ist->last_dts < of->start_time)
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1058 return 0;
1059
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1060 return 1;
1061}
1062
1063static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1064{
2e215267 1065 OutputFile *of = output_files[ost->file_index];
488a0fa6 1066 InputFile *f = input_files [ist->file_index];
56ee3f9d
AK
1067 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1068 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
7204ec1a
AK
1069 AVPacket opkt;
1070
1071 av_init_packet(&opkt);
1072
1073 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1074 !ost->copy_initial_nonkeyframes)
1075 return;
1076
1270e12e 1077 if (of->recording_time != INT64_MAX &&
56ee3f9d 1078 ist->last_dts >= of->recording_time + start_time) {
57d24225 1079 ost->finished = 1;
1270e12e
AK
1080 return;
1081 }
1082
488a0fa6
AK
1083 if (f->recording_time != INT64_MAX) {
1084 start_time = f->ctx->start_time;
1085 if (f->start_time != AV_NOPTS_VALUE)
1086 start_time += f->start_time;
1087 if (ist->last_dts >= f->recording_time + start_time) {
1088 ost->finished = 1;
1089 return;
1090 }
1091 }
1092
7204ec1a 1093 /* force the input stream PTS */
38313626 1094 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
7204ec1a 1095 ost->sync_opts++;
7204ec1a 1096
7204ec1a
AK
1097 if (pkt->pts != AV_NOPTS_VALUE)
1098 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1099 else
1100 opkt.pts = AV_NOPTS_VALUE;
1101
1102 if (pkt->dts == AV_NOPTS_VALUE)
23576b3f 1103 opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base);
7204ec1a
AK
1104 else
1105 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1106 opkt.dts -= ost_tb_start_time;
1107
1108 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1109 opkt.flags = pkt->flags;
1110
7636c8c6 1111 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
38313626
AK
1112 if ( ost->enc_ctx->codec_id != AV_CODEC_ID_H264
1113 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG1VIDEO
1114 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG2VIDEO
1115 && ost->enc_ctx->codec_id != AV_CODEC_ID_VC1
7204ec1a 1116 ) {
c872d310
AK
1117 if (av_parser_change(ost->parser, ost->st->codec,
1118 &opkt.data, &opkt.size,
1119 pkt->data, pkt->size,
1120 pkt->flags & AV_PKT_FLAG_KEY)) {
9b2dc295
AK
1121 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1122 if (!opkt.buf)
636ced8e 1123 exit_program(1);
9b2dc295 1124 }
7204ec1a
AK
1125 } else {
1126 opkt.data = pkt->data;
1127 opkt.size = pkt->size;
1128 }
1129
f15f02c2 1130 write_frame(of->ctx, &opkt, ost);
7204ec1a
AK
1131}
1132
f5e66827 1133int guess_input_channel_layout(InputStream *ist)
369cb092 1134{
41776ba9 1135 AVCodecContext *dec = ist->dec_ctx;
369cb092
AK
1136
1137 if (!dec->channel_layout) {
1138 char layout_name[256];
1139
1140 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1141 if (!dec->channel_layout)
1142 return 0;
1143 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1144 dec->channels, dec->channel_layout);
1145 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1146 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1147 }
1148 return 1;
1149}
1150
0629f612 1151static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
ded28ba3 1152{
9b2dc295 1153 AVFrame *decoded_frame, *f;
41776ba9 1154 AVCodecContext *avctx = ist->dec_ctx;
9b2dc295 1155 int i, ret, err = 0, resample_changed;
ded28ba3 1156
5b9c3b45 1157 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
d1241ff3 1158 return AVERROR(ENOMEM);
9b2dc295
AK
1159 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1160 return AVERROR(ENOMEM);
9179f27c 1161 decoded_frame = ist->decoded_frame;
ded28ba3 1162
d1241ff3 1163 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
b114f6d4 1164 if (!*got_output || ret < 0)
af8ad892 1165 return ret;
ded28ba3 1166
47543450
AK
1167 ist->samples_decoded += decoded_frame->nb_samples;
1168 ist->frames_decoded++;
1169
d1241ff3
JR
1170 /* if the decoder provides a pts, use it instead of the last packet pts.
1171 the decoder could be delaying output by a packet or more. */
1172 if (decoded_frame->pts != AV_NOPTS_VALUE)
3101bb66 1173 ist->next_dts = decoded_frame->pts;
1ae8198b 1174 else if (pkt->pts != AV_NOPTS_VALUE)
369cb092 1175 decoded_frame->pts = pkt->pts;
1ae8198b 1176 pkt->pts = AV_NOPTS_VALUE;
ded28ba3 1177
369cb092
AK
1178 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1179 ist->resample_channels != avctx->channels ||
1180 ist->resample_channel_layout != decoded_frame->channel_layout ||
1181 ist->resample_sample_rate != decoded_frame->sample_rate;
1182 if (resample_changed) {
1183 char layout1[64], layout2[64];
ded28ba3 1184
369cb092
AK
1185 if (!guess_input_channel_layout(ist)) {
1186 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1187 "layout for Input Stream #%d.%d\n", ist->file_index,
1188 ist->st->index);
636ced8e 1189 exit_program(1);
369cb092
AK
1190 }
1191 decoded_frame->channel_layout = avctx->channel_layout;
1192
1193 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1194 ist->resample_channel_layout);
1195 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1196 decoded_frame->channel_layout);
1197
1198 av_log(NULL, AV_LOG_INFO,
1199 "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",
1200 ist->file_index, ist->st->index,
1201 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1202 ist->resample_channels, layout1,
1203 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1204 avctx->channels, layout2);
1205
1206 ist->resample_sample_fmt = decoded_frame->format;
1207 ist->resample_sample_rate = decoded_frame->sample_rate;
1208 ist->resample_channel_layout = decoded_frame->channel_layout;
1209 ist->resample_channels = avctx->channels;
1210
1211 for (i = 0; i < nb_filtergraphs; i++)
1212 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1213 configure_filtergraph(filtergraphs[i]) < 0) {
1214 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
636ced8e 1215 exit_program(1);
369cb092 1216 }
ded28ba3 1217 }
110d2af2 1218
715129cd
MS
1219 if (decoded_frame->pts != AV_NOPTS_VALUE)
1220 decoded_frame->pts = av_rescale_q(decoded_frame->pts,
1221 ist->st->time_base,
41776ba9 1222 (AVRational){1, avctx->sample_rate});
9b2dc295
AK
1223 for (i = 0; i < ist->nb_filters; i++) {
1224 if (i < ist->nb_filters - 1) {
1225 f = ist->filter_frame;
1226 err = av_frame_ref(f, decoded_frame);
1227 if (err < 0)
1228 break;
1229 } else
1230 f = decoded_frame;
369cb092 1231
9b2dc295
AK
1232 err = av_buffersrc_add_frame(ist->filters[i]->filter, f);
1233 if (err < 0)
1234 break;
1235 }
1236
1237 av_frame_unref(ist->filter_frame);
1238 av_frame_unref(decoded_frame);
1239 return err < 0 ? err : ret;
ded28ba3
AK
1240}
1241
0629f612 1242static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
45d4b66f 1243{
9b2dc295 1244 AVFrame *decoded_frame, *f;
9b2dc295 1245 int i, ret = 0, err = 0, resample_changed;
45d4b66f 1246
9b2dc295
AK
1247 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1248 return AVERROR(ENOMEM);
1249 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
45d4b66f 1250 return AVERROR(ENOMEM);
9179f27c 1251 decoded_frame = ist->decoded_frame;
45d4b66f 1252
41776ba9 1253 ret = avcodec_decode_video2(ist->dec_ctx,
45d4b66f 1254 decoded_frame, got_output, pkt);
b114f6d4 1255 if (!*got_output || ret < 0)
af8ad892 1256 return ret;
f154ef1a 1257
47543450
AK
1258 ist->frames_decoded++;
1259
07fd0a22 1260 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
41776ba9 1261 err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
07fd0a22
AK
1262 if (err < 0)
1263 goto fail;
1264 }
1265 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
1266
b34856a1
AK
1267 decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1268 decoded_frame->pkt_dts);
45d4b66f 1269 pkt->size = 0;
45d4b66f 1270
695ec04e
AK
1271 if (ist->st->sample_aspect_ratio.num)
1272 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1273
e77c8662
AK
1274 resample_changed = ist->resample_width != decoded_frame->width ||
1275 ist->resample_height != decoded_frame->height ||
1276 ist->resample_pix_fmt != decoded_frame->format;
1277 if (resample_changed) {
1278 av_log(NULL, AV_LOG_INFO,
1279 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1280 ist->file_index, ist->st->index,
1281 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1282 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1283
2f34021d 1284 ret = poll_filters();
22a6d48b
LB
1285 if (ret < 0 && (ret != AVERROR_EOF && ret != AVERROR(EAGAIN))) {
1286 char errbuf[128];
1287 av_strerror(ret, errbuf, sizeof(errbuf));
1288
1289 av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
1290 }
2f34021d 1291
e77c8662
AK
1292 ist->resample_width = decoded_frame->width;
1293 ist->resample_height = decoded_frame->height;
1294 ist->resample_pix_fmt = decoded_frame->format;
e77c8662 1295
3b266da3
AK
1296 for (i = 0; i < nb_filtergraphs; i++)
1297 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1298 configure_filtergraph(filtergraphs[i]) < 0) {
ac646076 1299 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
636ced8e 1300 exit_program(1);
3b266da3
AK
1301 }
1302 }
ac646076 1303
3b266da3 1304 for (i = 0; i < ist->nb_filters; i++) {
9b2dc295
AK
1305 if (i < ist->nb_filters - 1) {
1306 f = ist->filter_frame;
1307 err = av_frame_ref(f, decoded_frame);
1308 if (err < 0)
1309 break;
04a14d4d 1310 } else
9b2dc295
AK
1311 f = decoded_frame;
1312
1313 err = av_buffersrc_add_frame(ist->filters[i]->filter, f);
1314 if (err < 0)
1315 break;
45d4b66f
AK
1316 }
1317
07fd0a22 1318fail:
9b2dc295
AK
1319 av_frame_unref(ist->filter_frame);
1320 av_frame_unref(decoded_frame);
9b2dc295 1321 return err < 0 ? err : ret;
45d4b66f
AK
1322}
1323
9595234c
AK
1324static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1325{
1326 AVSubtitle subtitle;
41776ba9 1327 int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
9595234c
AK
1328 &subtitle, got_output, pkt);
1329 if (ret < 0)
1330 return ret;
1331 if (!*got_output)
af8ad892 1332 return ret;
9595234c 1333
47543450
AK
1334 ist->frames_decoded++;
1335
9595234c 1336 for (i = 0; i < nb_output_streams; i++) {
2e215267 1337 OutputStream *ost = output_streams[i];
9595234c
AK
1338
1339 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1340 continue;
1341
2e215267 1342 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
9595234c
AK
1343 }
1344
1345 avsubtitle_free(&subtitle);
af8ad892 1346 return ret;
9595234c
AK
1347}
1348
b114f6d4
AK
1349static int send_filter_eof(InputStream *ist)
1350{
1351 int i, ret;
1352 for (i = 0; i < ist->nb_filters; i++) {
1353 ret = av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1354 if (ret < 0)
1355 return ret;
1356 }
1357 return 0;
1358}
1359
6291d7e4 1360/* pkt = NULL means EOF (needed to flush decoder buffers) */
aa51b049 1361static int process_input_packet(InputStream *ist, const AVPacket *pkt)
6291d7e4 1362{
ffa0674e 1363 int i;
6291d7e4 1364 int got_output;
6291d7e4 1365 AVPacket avpkt;
6291d7e4 1366
3101bb66 1367 if (ist->next_dts == AV_NOPTS_VALUE)
23576b3f 1368 ist->next_dts = ist->last_dts;
6291d7e4 1369
f929ab05 1370 if (!pkt) {
6291d7e4
AK
1371 /* EOF handling */
1372 av_init_packet(&avpkt);
1373 avpkt.data = NULL;
1374 avpkt.size = 0;
1375 goto handle_eof;
1376 } else {
1377 avpkt = *pkt;
1378 }
1379
7636c8c6 1380 if (pkt->dts != AV_NOPTS_VALUE)
23576b3f 1381 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
6291d7e4 1382
7636c8c6 1383 // while we have more to decode or while the decoder did output something on EOF
2a651b71 1384 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
ffa0674e 1385 int ret = 0;
6291d7e4 1386 handle_eof:
6291d7e4 1387
23576b3f 1388 ist->last_dts = ist->next_dts;
8b0268a8 1389
d1780e01
AK
1390 if (avpkt.size && avpkt.size != pkt->size &&
1391 !(ist->dec->capabilities & CODEC_CAP_SUBFRAMES)) {
e3245b26
AK
1392 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1393 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
8b0268a8
AK
1394 ist->showed_multi_packet_warning = 1;
1395 }
6291d7e4 1396
41776ba9 1397 switch (ist->dec_ctx->codec_type) {
82963f8f 1398 case AVMEDIA_TYPE_AUDIO:
0629f612 1399 ret = decode_audio (ist, &avpkt, &got_output);
82963f8f
AK
1400 break;
1401 case AVMEDIA_TYPE_VIDEO:
0629f612 1402 ret = decode_video (ist, &avpkt, &got_output);
b34856a1
AK
1403 if (avpkt.duration)
1404 ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
aba232cf 1405 else if (ist->st->avg_frame_rate.num)
82494835 1406 ist->next_dts += av_rescale_q(1, av_inv_q(ist->st->avg_frame_rate),
722410ad 1407 AV_TIME_BASE_Q);
557d4c4e 1408 else if (ist->dec_ctx->framerate.num != 0) {
b34856a1 1409 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
41776ba9 1410 ist->dec_ctx->ticks_per_frame;
557d4c4e 1411 ist->next_dts += av_rescale_q(ticks, ist->dec_ctx->framerate, AV_TIME_BASE_Q);
b34856a1 1412 }
82963f8f
AK
1413 break;
1414 case AVMEDIA_TYPE_SUBTITLE:
1415 ret = transcode_subtitles(ist, &avpkt, &got_output);
1416 break;
78162b4e
AK
1417 default:
1418 return -1;
1419 }
6291d7e4 1420
d3c1d37a
AK
1421 if (ret < 0)
1422 return ret;
aa38cff2
JG
1423 // touch data and size only if not EOF
1424 if (pkt) {
1425 avpkt.data += ret;
1426 avpkt.size -= ret;
1427 }
82963f8f 1428 if (!got_output) {
af8ad892 1429 continue;
82963f8f 1430 }
6291d7e4 1431 }
6291d7e4 1432
b114f6d4
AK
1433 /* after flushing, send an EOF on all the filter inputs attached to the stream */
1434 if (!pkt && ist->decoding_needed) {
1435 int ret = send_filter_eof(ist);
1436 if (ret < 0) {
1437 av_log(NULL, AV_LOG_FATAL, "Error marking filters as finished\n");
1438 exit_program(1);
1439 }
1440 }
1441
7204ec1a 1442 /* handle stream copy */
2a651b71 1443 if (!ist->decoding_needed) {
23576b3f 1444 ist->last_dts = ist->next_dts;
41776ba9 1445 switch (ist->dec_ctx->codec_type) {
2a651b71 1446 case AVMEDIA_TYPE_AUDIO:
41776ba9
AK
1447 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
1448 ist->dec_ctx->sample_rate;
2a651b71
AK
1449 break;
1450 case AVMEDIA_TYPE_VIDEO:
557d4c4e 1451 if (ist->dec_ctx->framerate.num != 0) {
41776ba9 1452 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
3101bb66 1453 ist->next_dts += ((int64_t)AV_TIME_BASE *
557d4c4e
AK
1454 ist->dec_ctx->framerate.den * ticks) /
1455 ist->dec_ctx->framerate.num;
2a651b71
AK
1456 }
1457 break;
1458 }
1459 }
ea9367e9 1460 for (i = 0; pkt && i < nb_output_streams; i++) {
2e215267 1461 OutputStream *ost = output_streams[i];
7204ec1a
AK
1462
1463 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1464 continue;
1465
1466 do_streamcopy(ist, ost, pkt);
1467 }
1468
6291d7e4
AK
1469 return 0;
1470}
1471
ea9367e9 1472static void print_sdp(void)
6291d7e4 1473{
a23abaf3 1474 char sdp[16384];
af70aa45 1475 int i;
ea9367e9 1476 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
af70aa45
AK
1477
1478 if (!avc)
636ced8e 1479 exit_program(1);
ea9367e9 1480 for (i = 0; i < nb_output_files; i++)
2e215267 1481 avc[i] = output_files[i]->ctx;
6291d7e4 1482
ea9367e9 1483 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
6291d7e4
AK
1484 printf("SDP:\n%s\n", sdp);
1485 fflush(stdout);
af70aa45 1486 av_freep(&avc);
6291d7e4
AK
1487}
1488
07fd0a22
AK
1489static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
1490{
1491 int i;
1492 for (i = 0; hwaccels[i].name; i++)
1493 if (hwaccels[i].pix_fmt == pix_fmt)
1494 return &hwaccels[i];
1495 return NULL;
1496}
1497
1498static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
1499{
1500 InputStream *ist = s->opaque;
1501 const enum AVPixelFormat *p;
1502 int ret;
1503
1504 for (p = pix_fmts; *p != -1; p++) {
1505 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
1506 const HWAccel *hwaccel;
1507
1508 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
1509 break;
1510
1511 hwaccel = get_hwaccel(*p);
1512 if (!hwaccel ||
1513 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
1514 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
1515 continue;
1516
1517 ret = hwaccel->init(s);
1518 if (ret < 0) {
1519 if (ist->hwaccel_id == hwaccel->id) {
1520 av_log(NULL, AV_LOG_FATAL,
1521 "%s hwaccel requested for input stream #%d:%d, "
1522 "but cannot be initialized.\n", hwaccel->name,
1523 ist->file_index, ist->st->index);
dc7536ca 1524 return AV_PIX_FMT_NONE;
07fd0a22
AK
1525 }
1526 continue;
1527 }
1528 ist->active_hwaccel_id = hwaccel->id;
1529 ist->hwaccel_pix_fmt = *p;
1530 break;
1531 }
1532
1533 return *p;
1534}
1535
1536static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
1537{
1538 InputStream *ist = s->opaque;
1539
1540 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
1541 return ist->hwaccel_get_buffer(s, frame, flags);
1542
1543 return avcodec_default_get_buffer2(s, frame, flags);
1544}
1545
ea9367e9 1546static int init_input_stream(int ist_index, char *error, int error_len)
630902a1 1547{
c854102d 1548 int i, ret;
2e215267 1549 InputStream *ist = input_streams[ist_index];
630902a1
AK
1550 if (ist->decoding_needed) {
1551 AVCodec *codec = ist->dec;
630902a1 1552 if (!codec) {
9a414d89 1553 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
41776ba9 1554 ist->dec_ctx->codec_id, ist->file_index, ist->st->index);
630902a1
AK
1555 return AVERROR(EINVAL);
1556 }
1557
1558 /* update requested sample format for the decoder based on the
1559 corresponding encoder sample format */
1560 for (i = 0; i < nb_output_streams; i++) {
2e215267 1561 OutputStream *ost = output_streams[i];
630902a1 1562 if (ost->source_index == ist_index) {
38313626 1563 update_sample_fmt(ist->dec_ctx, codec, ost->enc_ctx);
630902a1
AK
1564 break;
1565 }
1566 }
1567
41776ba9
AK
1568 ist->dec_ctx->opaque = ist;
1569 ist->dec_ctx->get_format = get_format;
1570 ist->dec_ctx->get_buffer2 = get_buffer;
1571 ist->dec_ctx->thread_safe_callbacks = 1;
07fd0a22 1572
41776ba9 1573 av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
64dca32c 1574
f3a6ad22
AK
1575 if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
1576 av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
41776ba9 1577 if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
42cc6cef 1578 char errbuf[128];
c854102d
NC
1579 if (ret == AVERROR_EXPERIMENTAL)
1580 abort_codec_experimental(codec, 0);
42cc6cef
LB
1581
1582 av_strerror(ret, errbuf, sizeof(errbuf));
1583
1584 snprintf(error, error_len,
1585 "Error while opening decoder for input stream "
1586 "#%d:%d : %s",
1587 ist->file_index, ist->st->index, errbuf);
c854102d 1588 return ret;
630902a1 1589 }
f3a6ad22 1590 assert_avoptions(ist->decoder_opts);
630902a1
AK
1591 }
1592
41776ba9 1593 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 1594 ist->next_dts = AV_NOPTS_VALUE;
630902a1 1595 init_pts_correction(&ist->pts_ctx);
630902a1
AK
1596
1597 return 0;
1598}
1599
3b266da3
AK
1600static InputStream *get_input_stream(OutputStream *ost)
1601{
1602 if (ost->source_index >= 0)
1603 return input_streams[ost->source_index];
1604
1605 if (ost->filter) {
1606 FilterGraph *fg = ost->filter->graph;
1607 int i;
1608
1609 for (i = 0; i < fg->nb_inputs; i++)
38313626 1610 if (fg->inputs[i]->ist->dec_ctx->codec_type == ost->enc_ctx->codec_type)
3b266da3
AK
1611 return fg->inputs[i]->ist;
1612 }
1613
1614 return NULL;
1615}
1616
19ad5673
AK
1617static void parse_forced_key_frames(char *kf, OutputStream *ost,
1618 AVCodecContext *avctx)
1619{
1620 char *p;
1621 int n = 1, i;
1622 int64_t t;
1623
1624 for (p = kf; *p; p++)
1625 if (*p == ',')
1626 n++;
1627 ost->forced_kf_count = n;
1628 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1629 if (!ost->forced_kf_pts) {
1630 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
636ced8e 1631 exit_program(1);
19ad5673 1632 }
4c679750
RD
1633
1634 p = kf;
19ad5673 1635 for (i = 0; i < n; i++) {
4c679750
RD
1636 char *next = strchr(p, ',');
1637
1638 if (next)
1639 *next++ = 0;
1640
19ad5673
AK
1641 t = parse_time_or_die("force_key_frames", p, 1);
1642 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
4c679750
RD
1643
1644 p = next;
19ad5673
AK
1645 }
1646}
1647
6656370b
AK
1648static void set_encoder_id(OutputFile *of, OutputStream *ost)
1649{
1650 AVDictionaryEntry *e;
1651
1652 uint8_t *encoder_string;
1653 int encoder_string_len;
1654 int format_flags = 0;
1655
1656 e = av_dict_get(of->opts, "fflags", NULL, 0);
1657 if (e) {
1658 const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
1659 if (!o)
1660 return;
1661 av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
1662 }
1663
1664 encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
1665 encoder_string = av_mallocz(encoder_string_len);
1666 if (!encoder_string)
1667 exit_program(1);
1668
1669 if (!(format_flags & AVFMT_FLAG_BITEXACT))
1670 av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
1671 av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
1672 av_dict_set(&ost->st->metadata, "encoder", encoder_string,
1673 AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
1674}
1675
ea9367e9 1676static int transcode_init(void)
6291d7e4 1677{
2c474ddb 1678 int ret = 0, i, j, k;
1bb77e51 1679 AVFormatContext *oc;
4288e031 1680 OutputStream *ost;
6291d7e4
AK
1681 InputStream *ist;
1682 char error[1024];
1683 int want_sdp = 1;
b0c9e8e0 1684
f4805328
AK
1685 /* init framerate emulation */
1686 for (i = 0; i < nb_input_files; i++) {
2e215267 1687 InputFile *ifile = input_files[i];
f4805328
AK
1688 if (ifile->rate_emu)
1689 for (j = 0; j < ifile->nb_streams; j++)
d0c09302 1690 input_streams[j + ifile->ist_index]->start = av_gettime_relative();
f4805328 1691 }
6291d7e4
AK
1692
1693 /* output stream init */
03f30c83 1694 for (i = 0; i < nb_output_files; i++) {
2e215267 1695 oc = output_files[i]->ctx;
1bb77e51
AK
1696 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
1697 av_dump_format(oc, i, oc->filename, 1);
e3245b26 1698 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
eaf2d37a 1699 return AVERROR(EINVAL);
6291d7e4 1700 }
6291d7e4
AK
1701 }
1702
3b266da3
AK
1703 /* init complex filtergraphs */
1704 for (i = 0; i < nb_filtergraphs; i++)
1705 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
1706 return ret;
1707
6291d7e4 1708 /* for each output stream, we compute the right encoding parameters */
4288e031 1709 for (i = 0; i < nb_output_streams; i++) {
65ed9e75 1710 AVCodecContext *enc_ctx;
650a5206 1711 AVCodecContext *dec_ctx = NULL;
2e215267
AK
1712 ost = output_streams[i];
1713 oc = output_files[ost->file_index]->ctx;
3b266da3 1714 ist = get_input_stream(ost);
6291d7e4 1715
4dbc6cee
AK
1716 if (ost->attachment_filename)
1717 continue;
1718
3892bdab 1719 enc_ctx = ost->stream_copy ? ost->st->codec : ost->enc_ctx;
6291d7e4 1720
3b266da3 1721 if (ist) {
41776ba9 1722 dec_ctx = ist->dec_ctx;
3b266da3
AK
1723
1724 ost->st->disposition = ist->st->disposition;
65ed9e75
AK
1725 enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
1726 enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
3b266da3 1727 }
6291d7e4 1728
3d813e4c 1729 if (ost->stream_copy) {
538bf767 1730 AVRational sar;
8c4022ac
AK
1731 uint64_t extra_size;
1732
1733 av_assert0(ist && !ost->filter);
1734
650a5206 1735 extra_size = (uint64_t)dec_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
6291d7e4 1736
e6d2b737 1737 if (extra_size > INT_MAX) {
eaf2d37a 1738 return AVERROR(EINVAL);
e6d2b737 1739 }
6291d7e4
AK
1740
1741 /* if stream_copy is selected, no need to decode or encode */
65ed9e75
AK
1742 enc_ctx->codec_id = dec_ctx->codec_id;
1743 enc_ctx->codec_type = dec_ctx->codec_type;
6291d7e4 1744
65ed9e75 1745 if (!enc_ctx->codec_tag) {
03f30c83 1746 if (!oc->oformat->codec_tag ||
65ed9e75 1747 av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == enc_ctx->codec_id ||
650a5206 1748 av_codec_get_tag(oc->oformat->codec_tag, dec_ctx->codec_id) <= 0)
65ed9e75 1749 enc_ctx->codec_tag = dec_ctx->codec_tag;
6291d7e4
AK
1750 }
1751
65ed9e75
AK
1752 enc_ctx->bit_rate = dec_ctx->bit_rate;
1753 enc_ctx->rc_max_rate = dec_ctx->rc_max_rate;
1754 enc_ctx->rc_buffer_size = dec_ctx->rc_buffer_size;
1755 enc_ctx->field_order = dec_ctx->field_order;
1756 enc_ctx->extradata = av_mallocz(extra_size);
1757 if (!enc_ctx->extradata) {
eaf2d37a 1758 return AVERROR(ENOMEM);
e6d2b737 1759 }
65ed9e75
AK
1760 memcpy(enc_ctx->extradata, dec_ctx->extradata, dec_ctx->extradata_size);
1761 enc_ctx->extradata_size = dec_ctx->extradata_size;
7bb3e625 1762 if (!copy_tb) {
65ed9e75
AK
1763 enc_ctx->time_base = dec_ctx->time_base;
1764 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
1765 av_reduce(&enc_ctx->time_base.num, &enc_ctx->time_base.den,
1766 enc_ctx->time_base.num, enc_ctx->time_base.den, INT_MAX);
03f30c83 1767 } else
65ed9e75 1768 enc_ctx->time_base = ist->st->time_base;
03f30c83 1769
88b32673
AK
1770 if (ist->st->nb_side_data) {
1771 ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data,
1772 sizeof(*ist->st->side_data));
1773 if (!ost->st->side_data)
1774 return AVERROR(ENOMEM);
1775
1776 for (j = 0; j < ist->st->nb_side_data; j++) {
1777 const AVPacketSideData *sd_src = &ist->st->side_data[j];
1778 AVPacketSideData *sd_dst = &ost->st->side_data[j];
1779
1780 sd_dst->data = av_malloc(sd_src->size);
1781 if (!sd_dst->data)
1782 return AVERROR(ENOMEM);
1783 memcpy(sd_dst->data, sd_src->data, sd_src->size);
1784 sd_dst->size = sd_src->size;
1785 sd_dst->type = sd_src->type;
1786 ost->st->nb_side_data++;
1787 }
1788 }
1789
65ed9e75 1790 ost->parser = av_parser_init(enc_ctx->codec_id);
c872d310 1791
65ed9e75 1792 switch (enc_ctx->codec_type) {
6291d7e4 1793 case AVMEDIA_TYPE_AUDIO:
7636c8c6 1794 if (audio_volume != 256) {
e3245b26 1795 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
636ced8e 1796 exit_program(1);
6291d7e4 1797 }
65ed9e75
AK
1798 enc_ctx->channel_layout = dec_ctx->channel_layout;
1799 enc_ctx->sample_rate = dec_ctx->sample_rate;
1800 enc_ctx->channels = dec_ctx->channels;
1801 enc_ctx->frame_size = dec_ctx->frame_size;
1802 enc_ctx->audio_service_type = dec_ctx->audio_service_type;
1803 enc_ctx->block_align = dec_ctx->block_align;
6291d7e4
AK
1804 break;
1805 case AVMEDIA_TYPE_VIDEO:
65ed9e75
AK
1806 enc_ctx->pix_fmt = dec_ctx->pix_fmt;
1807 enc_ctx->width = dec_ctx->width;
1808 enc_ctx->height = dec_ctx->height;
1809 enc_ctx->has_b_frames = dec_ctx->has_b_frames;
538bf767 1810 if (ost->frame_aspect_ratio)
65ed9e75 1811 sar = av_d2q(ost->frame_aspect_ratio * enc_ctx->height / enc_ctx->width, 255);
538bf767
AK
1812 else if (ist->st->sample_aspect_ratio.num)
1813 sar = ist->st->sample_aspect_ratio;
1814 else
650a5206 1815 sar = dec_ctx->sample_aspect_ratio;
65ed9e75 1816 ost->st->sample_aspect_ratio = enc_ctx->sample_aspect_ratio = sar;
6291d7e4
AK
1817 break;
1818 case AVMEDIA_TYPE_SUBTITLE:
65ed9e75
AK
1819 enc_ctx->width = dec_ctx->width;
1820 enc_ctx->height = dec_ctx->height;
6291d7e4
AK
1821 break;
1822 case AVMEDIA_TYPE_DATA:
3ccd1580 1823 case AVMEDIA_TYPE_ATTACHMENT:
6291d7e4
AK
1824 break;
1825 default:
1826 abort();
1827 }
1828 } else {
2994913d
AK
1829 if (!ost->enc) {
1830 /* should only happen when a default codec is not present. */
1831 snprintf(error, sizeof(error), "Automatic encoder selection "
1832 "failed for output stream #%d:%d. Default encoder for "
1833 "format %s is probably disabled. Please choose an "
1834 "encoder manually.\n", ost->file_index, ost->index,
1835 oc->oformat->name);
1836 ret = AVERROR(EINVAL);
1837 goto dump_format;
1838 }
03f30c83 1839
3b266da3
AK
1840 if (ist)
1841 ist->decoding_needed = 1;
11fdb7e1 1842 ost->encoding_needed = 1;
03f30c83 1843
6656370b
AK
1844 set_encoder_id(output_files[ost->file_index], ost);
1845
74b961db
AK
1846 /*
1847 * We want CFR output if and only if one of those is true:
1848 * 1) user specified output framerate with -r
1849 * 2) user specified -vsync cfr
1850 * 3) output format is CFR and the user didn't force vsync to
1851 * something else than CFR
1852 *
1853 * in such a case, set ost->frame_rate
1854 */
65ed9e75 1855 if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO &&
74b961db
AK
1856 !ost->frame_rate.num && ist &&
1857 (video_sync_method == VSYNC_CFR ||
1858 (video_sync_method == VSYNC_AUTO &&
1859 !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
2ce8bca5
AK
1860 if (ist->framerate.num)
1861 ost->frame_rate = ist->framerate;
1862 else if (ist->st->avg_frame_rate.num)
1863 ost->frame_rate = ist->st->avg_frame_rate;
1864 else {
1865 av_log(NULL, AV_LOG_WARNING, "Constant framerate requested "
1866 "for the output stream #%d:%d, but no information "
1867 "about the input framerate is available. Falling "
1868 "back to a default value of 25fps. Use the -r option "
1869 "if you want a different framerate.\n",
1870 ost->file_index, ost->index);
1871 ost->frame_rate = (AVRational){ 25, 1 };
1872 }
44b0b85f 1873
74b961db
AK
1874 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
1875 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
1876 ost->frame_rate = ost->enc->supported_framerates[idx];
1877 }
1878 }
1879
369cb092 1880 if (!ost->filter &&
65ed9e75
AK
1881 (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
1882 enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) {
3b266da3
AK
1883 FilterGraph *fg;
1884 fg = init_simple_filtergraph(ist, ost);
8daf21d5 1885 if (configure_filtergraph(fg)) {
3b266da3 1886 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
636ced8e 1887 exit_program(1);
3b266da3 1888 }
369cb092 1889 }
3b266da3 1890
65ed9e75 1891 switch (enc_ctx->codec_type) {
369cb092 1892 case AVMEDIA_TYPE_AUDIO:
65ed9e75
AK
1893 enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
1894 enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
1895 enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
1896 enc_ctx->channels = av_get_channel_layout_nb_channels(enc_ctx->channel_layout);
1897 enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
369cb092
AK
1898 break;
1899 case AVMEDIA_TYPE_VIDEO:
65ed9e75 1900 enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
6291d7e4 1901
65ed9e75
AK
1902 enc_ctx->width = ost->filter->filter->inputs[0]->w;
1903 enc_ctx->height = ost->filter->filter->inputs[0]->h;
1904 enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
3b266da3 1905 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
65ed9e75 1906 av_d2q(ost->frame_aspect_ratio * enc_ctx->height/enc_ctx->width, 255) :
3b266da3 1907 ost->filter->filter->inputs[0]->sample_aspect_ratio;
65ed9e75 1908 enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
b7327887 1909
93afb6c9
AK
1910 ost->st->avg_frame_rate = ost->frame_rate;
1911
650a5206 1912 if (dec_ctx &&
65ed9e75
AK
1913 (enc_ctx->width != dec_ctx->width ||
1914 enc_ctx->height != dec_ctx->height ||
1915 enc_ctx->pix_fmt != dec_ctx->pix_fmt)) {
1916 enc_ctx->bits_per_raw_sample = 0;
b7327887
AK
1917 }
1918
19ad5673
AK
1919 if (ost->forced_keyframes)
1920 parse_forced_key_frames(ost->forced_keyframes, ost,
38313626 1921 ost->enc_ctx);
6291d7e4
AK
1922 break;
1923 case AVMEDIA_TYPE_SUBTITLE:
65ed9e75 1924 enc_ctx->time_base = (AVRational){1, 1000};
6291d7e4
AK
1925 break;
1926 default:
1927 abort();
1928 break;
1929 }
1930 /* two pass mode */
65ed9e75 1931 if ((enc_ctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
6291d7e4
AK
1932 char logfilename[1024];
1933 FILE *f;
1934
1935 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
bbcedade
AK
1936 ost->logfile_prefix ? ost->logfile_prefix :
1937 DEFAULT_PASS_LOGFILENAME_PREFIX,
6291d7e4 1938 i);
6e8be949 1939 if (!strcmp(ost->enc->name, "libx264")) {
9580818c 1940 av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
6e8be949 1941 } else {
65ed9e75 1942 if (enc_ctx->flags & CODEC_FLAG_PASS1) {
64334ddb
AK
1943 f = fopen(logfilename, "wb");
1944 if (!f) {
1945 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
1946 logfilename, strerror(errno));
636ced8e 1947 exit_program(1);
64334ddb
AK
1948 }
1949 ost->logfile = f;
1950 } else {
1951 char *logbuffer;
1952 size_t logbuffer_size;
1953 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
1954 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
1955 logfilename);
636ced8e 1956 exit_program(1);
64334ddb 1957 }
65ed9e75 1958 enc_ctx->stats_in = logbuffer;
6291d7e4 1959 }
6e8be949 1960 }
6291d7e4
AK
1961 }
1962 }
6291d7e4
AK
1963 }
1964
1965 /* open each encoder */
4288e031 1966 for (i = 0; i < nb_output_streams; i++) {
2e215267 1967 ost = output_streams[i];
6291d7e4 1968 if (ost->encoding_needed) {
03f30c83 1969 AVCodec *codec = ost->enc;
3b266da3 1970 AVCodecContext *dec = NULL;
3b266da3
AK
1971
1972 if ((ist = get_input_stream(ost)))
41776ba9 1973 dec = ist->dec_ctx;
3b266da3 1974 if (dec && dec->subtitle_header) {
38313626
AK
1975 ost->enc_ctx->subtitle_header = av_malloc(dec->subtitle_header_size);
1976 if (!ost->enc_ctx->subtitle_header) {
6291d7e4
AK
1977 ret = AVERROR(ENOMEM);
1978 goto dump_format;
1979 }
38313626
AK
1980 memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
1981 ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
6291d7e4 1982 }
9580818c
AK
1983 if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
1984 av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
38313626
AK
1985 av_dict_set(&ost->encoder_opts, "side_data_only_packets", "1", 0);
1986
1987 if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
c854102d
NC
1988 if (ret == AVERROR_EXPERIMENTAL)
1989 abort_codec_experimental(codec, 1);
9a414d89 1990 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 1991 ost->file_index, ost->index);
6291d7e4
AK
1992 goto dump_format;
1993 }
9580818c 1994 assert_avoptions(ost->encoder_opts);
38313626 1995 if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
6291d7e4
AK
1996 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
1997 "It takes bits/s as argument, not kbits/s\n");
3892bdab
AK
1998
1999 ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
2000 if (ret < 0) {
2001 av_log(NULL, AV_LOG_FATAL,
2002 "Error initializing the output stream codec context.\n");
2003 exit_program(1);
2004 }
2005
2006 ost->st->time_base = ost->enc_ctx->time_base;
df0229a7 2007 } else {
c92965db
VG
2008 ret = av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
2009 if (ret < 0)
2010 return ret;
3892bdab 2011 ost->st->time_base = ost->st->codec->time_base;
38313626 2012 }
6291d7e4
AK
2013 }
2014
630902a1
AK
2015 /* init input streams */
2016 for (i = 0; i < nb_input_streams; i++)
ea9367e9 2017 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
630902a1 2018 goto dump_format;
6291d7e4 2019
2c474ddb
AK
2020 /* discard unused programs */
2021 for (i = 0; i < nb_input_files; i++) {
2e215267 2022 InputFile *ifile = input_files[i];
2c474ddb
AK
2023 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2024 AVProgram *p = ifile->ctx->programs[j];
2025 int discard = AVDISCARD_ALL;
2026
2027 for (k = 0; k < p->nb_stream_indexes; k++)
2e215267 2028 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2c474ddb
AK
2029 discard = AVDISCARD_DEFAULT;
2030 break;
2031 }
2032 p->discard = discard;
2033 }
2034 }
2035
6291d7e4 2036 /* open files and write file headers */
af70aa45 2037 for (i = 0; i < nb_output_files; i++) {
2e215267 2038 oc = output_files[i]->ctx;
1bb77e51 2039 oc->interrupt_callback = int_cb;
a1a6cdc2
MS
2040 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
2041 char errbuf[128];
1e340af8
LB
2042 av_strerror(ret, errbuf, sizeof(errbuf));
2043 snprintf(error, sizeof(error),
2044 "Could not write header for output file #%d "
2045 "(incorrect codec parameters ?): %s",
2046 i, errbuf);
6291d7e4
AK
2047 ret = AVERROR(EINVAL);
2048 goto dump_format;
2049 }
2e215267 2050 assert_avoptions(output_files[i]->opts);
1bb77e51 2051 if (strcmp(oc->oformat->name, "rtp")) {
6291d7e4
AK
2052 want_sdp = 0;
2053 }
2054 }
2055
2056 dump_format:
2057 /* dump the file output parameters - cannot be done before in case
2058 of stream copy */
03f30c83 2059 for (i = 0; i < nb_output_files; i++) {
2e215267 2060 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
6291d7e4
AK
2061 }
2062
2063 /* dump the stream mapping */
e3245b26 2064 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3b266da3
AK
2065 for (i = 0; i < nb_input_streams; i++) {
2066 ist = input_streams[i];
2067
2068 for (j = 0; j < ist->nb_filters; j++) {
3b266da3
AK
2069 if (ist->filters[j]->graph->graph_desc) {
2070 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2071 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
cf6c38c6 2072 ist->filters[j]->name);
3b266da3
AK
2073 if (nb_filtergraphs > 1)
2074 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2075 av_log(NULL, AV_LOG_INFO, "\n");
2076 }
2077 }
2078 }
2079
e3245b26 2080 for (i = 0; i < nb_output_streams; i++) {
2e215267 2081 ost = output_streams[i];
4dbc6cee
AK
2082
2083 if (ost->attachment_filename) {
2084 /* an attached file */
2085 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2086 ost->attachment_filename, ost->file_index, ost->index);
2087 continue;
2088 }
3b266da3
AK
2089
2090 if (ost->filter && ost->filter->graph->graph_desc) {
2091 /* output from a complex graph */
cf6c38c6 2092 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3b266da3
AK
2093 if (nb_filtergraphs > 1)
2094 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2095
2096 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2097 ost->index, ost->enc ? ost->enc->name : "?");
2098 continue;
2099 }
2100
9a414d89 2101 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2e215267
AK
2102 input_streams[ost->source_index]->file_index,
2103 input_streams[ost->source_index]->st->index,
e3245b26
AK
2104 ost->file_index,
2105 ost->index);
2e215267 2106 if (ost->sync_ist != input_streams[ost->source_index])
9a414d89 2107 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
e3245b26
AK
2108 ost->sync_ist->file_index,
2109 ost->sync_ist->st->index);
3d813e4c 2110 if (ost->stream_copy)
e3245b26 2111 av_log(NULL, AV_LOG_INFO, " (copy)");
39ec5e1c
LB
2112 else {
2113 const AVCodec *in_codec = input_streams[ost->source_index]->dec;
2114 const AVCodec *out_codec = ost->enc;
2115 const char *decoder_name = "?";
2116 const char *in_codec_name = "?";
2117 const char *encoder_name = "?";
2118 const char *out_codec_name = "?";
aa1a1b24 2119 const AVCodecDescriptor *desc;
39ec5e1c
LB
2120
2121 if (in_codec) {
2122 decoder_name = in_codec->name;
aa1a1b24
HS
2123 desc = avcodec_descriptor_get(in_codec->id);
2124 if (desc)
2125 in_codec_name = desc->name;
39ec5e1c
LB
2126 if (!strcmp(decoder_name, in_codec_name))
2127 decoder_name = "native";
2128 }
2129
2130 if (out_codec) {
2131 encoder_name = out_codec->name;
aa1a1b24
HS
2132 desc = avcodec_descriptor_get(out_codec->id);
2133 if (desc)
2134 out_codec_name = desc->name;
71d6551e 2135 if (!strcmp(encoder_name, out_codec_name))
39ec5e1c
LB
2136 encoder_name = "native";
2137 }
2138
2139 av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
2140 in_codec_name, decoder_name,
2141 out_codec_name, encoder_name);
2142 }
e3245b26 2143 av_log(NULL, AV_LOG_INFO, "\n");
6291d7e4
AK
2144 }
2145
2146 if (ret) {
e3245b26 2147 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
eaf2d37a 2148 return ret;
6291d7e4
AK
2149 }
2150
2151 if (want_sdp) {
ea9367e9 2152 print_sdp();
6291d7e4
AK
2153 }
2154
eaf2d37a
AC
2155 return 0;
2156}
2157
c1ef30a6 2158/* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
2f51ec2b
AK
2159static int need_output(void)
2160{
2161 int i;
2162
2163 for (i = 0; i < nb_output_streams; i++) {
2164 OutputStream *ost = output_streams[i];
2165 OutputFile *of = output_files[ost->file_index];
2166 AVFormatContext *os = output_files[ost->file_index]->ctx;
2167
57d24225 2168 if (ost->finished ||
2f51ec2b
AK
2169 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2170 continue;
e58b75f7 2171 if (ost->frame_number >= ost->max_frames) {
2f51ec2b
AK
2172 int j;
2173 for (j = 0; j < of->ctx->nb_streams; j++)
57d24225 2174 output_streams[of->ost_index + j]->finished = 1;
2f51ec2b
AK
2175 continue;
2176 }
2177
2178 return 1;
2179 }
2180
2181 return 0;
2182}
2183
83916029 2184static InputFile *select_input_file(void)
a508e7a1 2185{
83916029 2186 InputFile *ifile = NULL;
a508e7a1 2187 int64_t ipts_min = INT64_MAX;
83916029 2188 int i;
a508e7a1
AK
2189
2190 for (i = 0; i < nb_input_streams; i++) {
2191 InputStream *ist = input_streams[i];
2192 int64_t ipts = ist->last_dts;
2193
0b26ef42 2194 if (ist->discard || input_files[ist->file_index]->eagain)
a508e7a1
AK
2195 continue;
2196 if (!input_files[ist->file_index]->eof_reached) {
2197 if (ipts < ipts_min) {
2198 ipts_min = ipts;
83916029 2199 ifile = input_files[ist->file_index];
a508e7a1
AK
2200 }
2201 }
2202 }
2203
83916029 2204 return ifile;
a508e7a1
AK
2205}
2206
47b812e9 2207#if HAVE_PTHREADS
5db5169e
AK
2208static void *input_thread(void *arg)
2209{
2210 InputFile *f = arg;
2211 int ret = 0;
2212
2213 while (!transcoding_finished && ret >= 0) {
2214 AVPacket pkt;
2215 ret = av_read_frame(f->ctx, &pkt);
2216
2217 if (ret == AVERROR(EAGAIN)) {
896bb0d7 2218 av_usleep(10000);
5db5169e
AK
2219 ret = 0;
2220 continue;
2221 } else if (ret < 0)
2222 break;
2223
2224 pthread_mutex_lock(&f->fifo_lock);
2225 while (!av_fifo_space(f->fifo))
2226 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
2227
2228 av_dup_packet(&pkt);
2229 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
2230
2231 pthread_mutex_unlock(&f->fifo_lock);
2232 }
2233
2234 f->finished = 1;
2235 return NULL;
2236}
2237
2238static void free_input_threads(void)
2239{
2240 int i;
2241
2242 if (nb_input_files == 1)
2243 return;
2244
2245 transcoding_finished = 1;
2246
2247 for (i = 0; i < nb_input_files; i++) {
2248 InputFile *f = input_files[i];
2249 AVPacket pkt;
2250
9034b0ed 2251 if (!f->fifo || f->joined)
5db5169e
AK
2252 continue;
2253
2254 pthread_mutex_lock(&f->fifo_lock);
2255 while (av_fifo_size(f->fifo)) {
2256 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2257 av_free_packet(&pkt);
2258 }
2259 pthread_cond_signal(&f->fifo_cond);
2260 pthread_mutex_unlock(&f->fifo_lock);
2261
2262 pthread_join(f->thread, NULL);
2263 f->joined = 1;
2264
2265 while (av_fifo_size(f->fifo)) {
2266 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2267 av_free_packet(&pkt);
2268 }
2269 av_fifo_free(f->fifo);
2270 }
2271}
2272
2273static int init_input_threads(void)
2274{
2275 int i, ret;
2276
2277 if (nb_input_files == 1)
2278 return 0;
2279
2280 for (i = 0; i < nb_input_files; i++) {
2281 InputFile *f = input_files[i];
2282
2283 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
2284 return AVERROR(ENOMEM);
2285
2286 pthread_mutex_init(&f->fifo_lock, NULL);
2287 pthread_cond_init (&f->fifo_cond, NULL);
2288
2289 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
2290 return AVERROR(ret);
2291 }
2292 return 0;
2293}
2294
2295static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
2296{
2297 int ret = 0;
2298
2299 pthread_mutex_lock(&f->fifo_lock);
2300
2301 if (av_fifo_size(f->fifo)) {
2302 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
2303 pthread_cond_signal(&f->fifo_cond);
2304 } else {
2305 if (f->finished)
2306 ret = AVERROR_EOF;
2307 else
2308 ret = AVERROR(EAGAIN);
2309 }
2310
2311 pthread_mutex_unlock(&f->fifo_lock);
2312
2313 return ret;
2314}
2315#endif
2316
2317static int get_input_packet(InputFile *f, AVPacket *pkt)
2318{
b4a5a292
AK
2319 if (f->rate_emu) {
2320 int i;
2321 for (i = 0; i < f->nb_streams; i++) {
2322 InputStream *ist = input_streams[f->ist_index + i];
2323 int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
d0c09302 2324 int64_t now = av_gettime_relative() - ist->start;
b4a5a292
AK
2325 if (pts > now)
2326 return AVERROR(EAGAIN);
2327 }
2328 }
2329
47b812e9 2330#if HAVE_PTHREADS
5db5169e
AK
2331 if (nb_input_files > 1)
2332 return get_input_packet_mt(f, pkt);
2333#endif
2334 return av_read_frame(f->ctx, pkt);
2335}
2336
0b26ef42
AK
2337static int got_eagain(void)
2338{
2339 int i;
2340 for (i = 0; i < nb_input_files; i++)
2341 if (input_files[i]->eagain)
2342 return 1;
2343 return 0;
2344}
2345
2346static void reset_eagain(void)
2347{
2348 int i;
2349 for (i = 0; i < nb_input_files; i++)
2350 input_files[i]->eagain = 0;
2351}
2352
c1ef30a6 2353/*
0c00fd80
AK
2354 * Read one packet from an input file and send it for
2355 * - decoding -> lavfi (audio/video)
2356 * - decoding -> encoding -> muxing (subtitles)
2357 * - muxing (streamcopy)
2358 *
c1ef30a6 2359 * Return
0c00fd80
AK
2360 * - 0 -- one packet was read and processed
2361 * - AVERROR(EAGAIN) -- no packets were available for selected file,
2362 * this function should be called again
2363 * - AVERROR_EOF -- this function should not be called again
2364 */
2365static int process_input(void)
2366{
2367 InputFile *ifile;
2368 AVFormatContext *is;
2369 InputStream *ist;
2370 AVPacket pkt;
2371 int ret, i, j;
2372
2373 /* select the stream that we must read now */
2374 ifile = select_input_file();
2375 /* if none, if is finished */
2376 if (!ifile) {
2377 if (got_eagain()) {
2378 reset_eagain();
2379 av_usleep(10000);
2380 return AVERROR(EAGAIN);
2381 }
2382 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from.\n");
2383 return AVERROR_EOF;
2384 }
2385
2386 is = ifile->ctx;
2387 ret = get_input_packet(ifile, &pkt);
2388
2389 if (ret == AVERROR(EAGAIN)) {
2390 ifile->eagain = 1;
2391 return ret;
2392 }
2393 if (ret < 0) {
2394 if (ret != AVERROR_EOF) {
2395 print_error(is->filename, ret);
2396 if (exit_on_error)
636ced8e 2397 exit_program(1);
0c00fd80
AK
2398 }
2399 ifile->eof_reached = 1;
2400
2401 for (i = 0; i < ifile->nb_streams; i++) {
2402 ist = input_streams[ifile->ist_index + i];
2403 if (ist->decoding_needed)
aa51b049 2404 process_input_packet(ist, NULL);
0c00fd80
AK
2405
2406 /* mark all outputs that don't go through lavfi as finished */
2407 for (j = 0; j < nb_output_streams; j++) {
2408 OutputStream *ost = output_streams[j];
2409
2410 if (ost->source_index == ifile->ist_index + i &&
2411 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
48e50921 2412 finish_output_stream(ost);
0c00fd80
AK
2413 }
2414 }
2415
3c0df905 2416 return AVERROR(EAGAIN);
0c00fd80
AK
2417 }
2418
2419 reset_eagain();
2420
2421 if (do_pkt_dump) {
2422 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2423 is->streams[pkt.stream_index]);
2424 }
2425 /* the following test is needed in case new streams appear
2426 dynamically in stream : we ignore them */
2427 if (pkt.stream_index >= ifile->nb_streams)
2428 goto discard_packet;
2429
2430 ist = input_streams[ifile->ist_index + pkt.stream_index];
47543450
AK
2431
2432 ist->data_size += pkt.size;
59444c76 2433 ist->nb_packets++;
47543450 2434
0c00fd80
AK
2435 if (ist->discard)
2436 goto discard_packet;
2437
59444c76
AK
2438 /* add the stream-global side data to the first packet */
2439 if (ist->nb_packets == 1)
2440 for (i = 0; i < ist->st->nb_side_data; i++) {
2441 AVPacketSideData *src_sd = &ist->st->side_data[i];
2442 uint8_t *dst_data;
2443
2444 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
2445 continue;
16302246
MS
2446 if (ist->autorotate && src_sd->type == AV_PKT_DATA_DISPLAYMATRIX)
2447 continue;
59444c76
AK
2448
2449 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
2450 if (!dst_data)
2451 exit_program(1);
2452
2453 memcpy(dst_data, src_sd->data, src_sd->size);
2454 }
2455
0c00fd80
AK
2456 if (pkt.dts != AV_NOPTS_VALUE)
2457 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2458 if (pkt.pts != AV_NOPTS_VALUE)
2459 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2460
2461 if (pkt.pts != AV_NOPTS_VALUE)
2462 pkt.pts *= ist->ts_scale;
2463 if (pkt.dts != AV_NOPTS_VALUE)
2464 pkt.dts *= ist->ts_scale;
2465
6cfbe1de
LB
2466 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
2467 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
2468 pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
0c00fd80
AK
2469 (is->iformat->flags & AVFMT_TS_DISCONT)) {
2470 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2471 int64_t delta = pkt_dts - ist->next_dts;
2472
2473 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
2474 ifile->ts_offset -= delta;
2475 av_log(NULL, AV_LOG_DEBUG,
2476 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2477 delta, ifile->ts_offset);
2478 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2479 if (pkt.pts != AV_NOPTS_VALUE)
2480 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2481 }
2482 }
2483
aa51b049 2484 ret = process_input_packet(ist, &pkt);
0c00fd80
AK
2485 if (ret < 0) {
2486 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
2487 ist->file_index, ist->st->index);
2488 if (exit_on_error)
636ced8e 2489 exit_program(1);
0c00fd80
AK
2490 }
2491
2492discard_packet:
2493 av_free_packet(&pkt);
2494
2495 return 0;
2496}
2497
eaf2d37a
AC
2498/*
2499 * The following code is the main loop of the file converter
2500 */
ea9367e9 2501static int transcode(void)
eaf2d37a 2502{
0c00fd80
AK
2503 int ret, i, need_input = 1;
2504 AVFormatContext *os;
eaf2d37a
AC
2505 OutputStream *ost;
2506 InputStream *ist;
eaf2d37a
AC
2507 int64_t timer_start;
2508
ea9367e9 2509 ret = transcode_init();
eaf2d37a
AC
2510 if (ret < 0)
2511 goto fail;
2512
e3245b26 2513 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
6291d7e4
AK
2514 term_init();
2515
d0c09302 2516 timer_start = av_gettime_relative();
6291d7e4 2517
47b812e9 2518#if HAVE_PTHREADS
5db5169e
AK
2519 if ((ret = init_input_threads()) < 0)
2520 goto fail;
2521#endif
2522
c0fbf971 2523 while (!received_sigterm) {
3b266da3 2524 /* check if there's any stream where output is still needed */
2f51ec2b
AK
2525 if (!need_output()) {
2526 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3b266da3 2527 break;
2f51ec2b 2528 }
3b266da3 2529
0c00fd80
AK
2530 /* read and process one input packet if needed */
2531 if (need_input) {
2532 ret = process_input();
2533 if (ret == AVERROR_EOF)
2534 need_input = 0;
6291d7e4
AK
2535 }
2536
0c00fd80 2537 ret = poll_filters();
6291d7e4 2538 if (ret < 0) {
22a6d48b 2539 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN)) {
6291d7e4 2540 continue;
22a6d48b
LB
2541 } else {
2542 char errbuf[128];
2543 av_strerror(ret, errbuf, sizeof(errbuf));
6291d7e4 2544
22a6d48b
LB
2545 av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
2546 break;
2547 }
6291d7e4
AK
2548 }
2549
6291d7e4 2550 /* dump report by using the output first video and audio streams */
ea9367e9 2551 print_report(0, timer_start);
6291d7e4 2552 }
47b812e9 2553#if HAVE_PTHREADS
5db5169e
AK
2554 free_input_threads();
2555#endif
6291d7e4
AK
2556
2557 /* at the end of stream, we must flush the decoder buffers */
2558 for (i = 0; i < nb_input_streams; i++) {
2e215267 2559 ist = input_streams[i];
9e8aae44 2560 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
aa51b049 2561 process_input_packet(ist, NULL);
6291d7e4
AK
2562 }
2563 }
560f7774 2564 poll_filters();
ea9367e9 2565 flush_encoders();
6291d7e4
AK
2566
2567 term_exit();
2568
2569 /* write the trailer if needed and close file */
7636c8c6 2570 for (i = 0; i < nb_output_files; i++) {
2e215267 2571 os = output_files[i]->ctx;
6291d7e4
AK
2572 av_write_trailer(os);
2573 }
2574
2575 /* dump report by using the first video and audio streams */
ea9367e9 2576 print_report(1, timer_start);
6291d7e4
AK
2577
2578 /* close each encoder */
4288e031 2579 for (i = 0; i < nb_output_streams; i++) {
2e215267 2580 ost = output_streams[i];
6291d7e4 2581 if (ost->encoding_needed) {
38313626 2582 av_freep(&ost->enc_ctx->stats_in);
6291d7e4 2583 }
6291d7e4
AK
2584 }
2585
2586 /* close each decoder */
2587 for (i = 0; i < nb_input_streams; i++) {
2e215267 2588 ist = input_streams[i];
6291d7e4 2589 if (ist->decoding_needed) {
41776ba9 2590 avcodec_close(ist->dec_ctx);
07fd0a22 2591 if (ist->hwaccel_uninit)
41776ba9 2592 ist->hwaccel_uninit(ist->dec_ctx);
6291d7e4
AK
2593 }
2594 }
2595
2596 /* finished ! */
2597 ret = 0;
2598
2599 fail:
47b812e9 2600#if HAVE_PTHREADS
5db5169e
AK
2601 free_input_threads();
2602#endif
6291d7e4 2603
4288e031
AK
2604 if (output_streams) {
2605 for (i = 0; i < nb_output_streams; i++) {
2e215267 2606 ost = output_streams[i];
6291d7e4 2607 if (ost) {
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2608 if (ost->logfile) {
2609 fclose(ost->logfile);
2610 ost->logfile = NULL;
2611 }
6291d7e4 2612 av_free(ost->forced_kf_pts);
9580818c 2613 av_dict_free(&ost->encoder_opts);
5c7db097 2614 av_dict_free(&ost->resample_opts);
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2615 }
2616 }
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2617 }
2618 return ret;
2619}
2620
f5e66827 2621static int64_t getutime(void)
a2c0b830 2622{
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2623#if HAVE_GETRUSAGE
2624 struct rusage rusage;
a2c0b830 2625
f5e66827
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2626 getrusage(RUSAGE_SELF, &rusage);
2627 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2628#elif HAVE_GETPROCESSTIMES
2629 HANDLE proc;
2630 FILETIME c, e, k, u;
2631 proc = GetCurrentProcess();
2632 GetProcessTimes(proc, &c, &e, &k, &u);
2633 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
2634#else
d0c09302 2635 return av_gettime_relative();
f5e66827 2636#endif
a2c0b830
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2637}
2638
f5e66827 2639static int64_t getmaxrss(void)
6291d7e4 2640{
f5e66827
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2641#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
2642 struct rusage rusage;
2643 getrusage(RUSAGE_SELF, &rusage);
2644 return (int64_t)rusage.ru_maxrss * 1024;
2645#elif HAVE_GETPROCESSMEMORYINFO
2646 HANDLE proc;
2647 PROCESS_MEMORY_COUNTERS memcounters;
2648 proc = GetCurrentProcess();
2649 memcounters.cb = sizeof(memcounters);
2650 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
2651 return memcounters.PeakPagefileUsage;
2652#else
6291d7e4 2653 return 0;
f5e66827 2654#endif
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2655}
2656
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2657int main(int argc, char **argv)
2658{
77bd1bc7 2659 int ret;
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2660 int64_t ti;
2661
636ced8e 2662 register_exit(avconv_cleanup);
5e3f9979 2663
6291d7e4 2664 av_log_set_flags(AV_LOG_SKIP_REPEATED);
182cbe43 2665 parse_loglevel(argc, argv, options);
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2666
2667 avcodec_register_all();
2668#if CONFIG_AVDEVICE
2669 avdevice_register_all();
2670#endif
6291d7e4 2671 avfilter_register_all();
6291d7e4 2672 av_register_all();
776f2bb9 2673 avformat_network_init();
6291d7e4 2674
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2675 show_banner();
2676
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2677 /* parse options and open all input/output files */
2678 ret = avconv_parse_options(argc, argv);
2679 if (ret < 0)
636ced8e 2680 exit_program(1);
6291d7e4 2681
7636c8c6 2682 if (nb_output_files <= 0 && nb_input_files == 0) {
6291d7e4 2683 show_usage();
e3245b26 2684 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
636ced8e 2685 exit_program(1);
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2686 }
2687
2688 /* file converter / grab */
2689 if (nb_output_files <= 0) {
2690 fprintf(stderr, "At least one output file must be specified\n");
636ced8e 2691 exit_program(1);
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AK
2692 }
2693
6291d7e4 2694 ti = getutime();
ea9367e9 2695 if (transcode() < 0)
636ced8e 2696 exit_program(1);
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2697 ti = getutime() - ti;
2698 if (do_benchmark) {
2699 int maxrss = getmaxrss() / 1024;
2700 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
2701 }
2702
636ced8e 2703 exit_program(0);
dad09ff9 2704 return 0;
6291d7e4 2705}