h264: disable ER by default
[libav.git] / avconv.c
CommitLineData
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1/*
2 * avconv main
3 * Copyright (c) 2000-2011 The libav developers.
4 *
5 * This file is part of Libav.
6 *
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22#include "config.h"
23#include <ctype.h>
24#include <string.h>
25#include <math.h>
26#include <stdlib.h>
27#include <errno.h>
28#include <signal.h>
29#include <limits.h>
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30#include <stdint.h>
31
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32#include "libavformat/avformat.h"
33#include "libavdevice/avdevice.h"
34#include "libswscale/swscale.h"
bcb82fe1 35#include "libavresample/avresample.h"
6291d7e4 36#include "libavutil/opt.h"
a903f8f0 37#include "libavutil/channel_layout.h"
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38#include "libavutil/parseutils.h"
39#include "libavutil/samplefmt.h"
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40#include "libavutil/fifo.h"
41#include "libavutil/intreadwrite.h"
42#include "libavutil/dict.h"
43#include "libavutil/mathematics.h"
44#include "libavutil/pixdesc.h"
45#include "libavutil/avstring.h"
46#include "libavutil/libm.h"
64dca32c 47#include "libavutil/imgutils.h"
896bb0d7 48#include "libavutil/time.h"
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49#include "libavformat/os_support.h"
50
6291d7e4 51# include "libavfilter/avfilter.h"
04a14d4d 52# include "libavfilter/buffersrc.h"
ac712309 53# include "libavfilter/buffersink.h"
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54
55#if HAVE_SYS_RESOURCE_H
3f65eff4 56#include <sys/time.h>
6291d7e4 57#include <sys/types.h>
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58#include <sys/resource.h>
59#elif HAVE_GETPROCESSTIMES
60#include <windows.h>
61#endif
62#if HAVE_GETPROCESSMEMORYINFO
63#include <windows.h>
64#include <psapi.h>
65#endif
66
67#if HAVE_SYS_SELECT_H
68#include <sys/select.h>
69#endif
70
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71#if HAVE_PTHREADS
72#include <pthread.h>
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73#endif
74
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75#include <time.h>
76
f5e66827 77#include "avconv.h"
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78#include "cmdutils.h"
79
80#include "libavutil/avassert.h"
81
82const char program_name[] = "avconv";
83const int program_birth_year = 2000;
84
6291d7e4 85static FILE *vstats_file;
6291d7e4 86
6291d7e4 87static int nb_frames_drop = 0;
6291d7e4 88
6291d7e4 89
3460dd8a 90
47b812e9 91#if HAVE_PTHREADS
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92/* signal to input threads that they should exit; set by the main thread */
93static int transcoding_finished;
94#endif
95
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96#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
97
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98InputStream **input_streams = NULL;
99int nb_input_streams = 0;
100InputFile **input_files = NULL;
101int nb_input_files = 0;
6b779ccc 102
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103OutputStream **output_streams = NULL;
104int nb_output_streams = 0;
105OutputFile **output_files = NULL;
106int nb_output_files = 0;
6b779ccc 107
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108FilterGraph **filtergraphs;
109int nb_filtergraphs;
575ec4e1 110
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111static void term_exit(void)
112{
113 av_log(NULL, AV_LOG_QUIET, "");
114}
115
116static volatile int received_sigterm = 0;
117static volatile int received_nb_signals = 0;
118
119static void
120sigterm_handler(int sig)
121{
122 received_sigterm = sig;
123 received_nb_signals++;
124 term_exit();
125}
126
127static void term_init(void)
128{
7636c8c6 129 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
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130 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
131#ifdef SIGXCPU
132 signal(SIGXCPU, sigterm_handler);
133#endif
134}
135
2abe947a 136static int decode_interrupt_cb(void *ctx)
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137{
138 return received_nb_signals > 1;
139}
140
f5e66827 141const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
2abe947a 142
636ced8e 143static void avconv_cleanup(int ret)
6291d7e4 144{
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145 int i, j;
146
147 for (i = 0; i < nb_filtergraphs; i++) {
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148 FilterGraph *fg = filtergraphs[i];
149 avfilter_graph_free(&fg->graph);
150 for (j = 0; j < fg->nb_inputs; j++) {
151 av_freep(&fg->inputs[j]->name);
152 av_freep(&fg->inputs[j]);
cf6c38c6 153 }
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154 av_freep(&fg->inputs);
155 for (j = 0; j < fg->nb_outputs; j++) {
156 av_freep(&fg->outputs[j]->name);
157 av_freep(&fg->outputs[j]);
cf6c38c6 158 }
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159 av_freep(&fg->outputs);
160 av_freep(&fg->graph_desc);
161
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162 av_freep(&filtergraphs[i]);
163 }
164 av_freep(&filtergraphs);
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165
166 /* close files */
7636c8c6 167 for (i = 0; i < nb_output_files; i++) {
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168 OutputFile *of = output_files[i];
169 AVFormatContext *s = of->ctx;
274e134e 170 if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE) && s->pb)
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171 avio_close(s->pb);
172 avformat_free_context(s);
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173 av_dict_free(&of->opts);
174
2e215267 175 av_freep(&output_files[i]);
6291d7e4 176 }
1135a071 177 for (i = 0; i < nb_output_streams; i++) {
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178 OutputStream *ost = output_streams[i];
179 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
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180 while (bsfc) {
181 AVBitStreamFilterContext *next = bsfc->next;
182 av_bitstream_filter_close(bsfc);
183 bsfc = next;
184 }
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185 ost->bitstream_filters = NULL;
186 av_frame_free(&ost->filtered_frame);
187
188 av_parser_close(ost->parser);
ac646076 189
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190 av_freep(&ost->forced_keyframes);
191 av_freep(&ost->avfilter);
192 av_freep(&ost->logfile_prefix);
c872d310 193
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194 avcodec_free_context(&ost->enc_ctx);
195
2e215267 196 av_freep(&output_streams[i]);
1135a071 197 }
7636c8c6 198 for (i = 0; i < nb_input_files; i++) {
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199 avformat_close_input(&input_files[i]->ctx);
200 av_freep(&input_files[i]);
6291d7e4 201 }
9179f27c 202 for (i = 0; i < nb_input_streams; i++) {
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203 InputStream *ist = input_streams[i];
204
205 av_frame_free(&ist->decoded_frame);
206 av_frame_free(&ist->filter_frame);
f3a6ad22 207 av_dict_free(&ist->decoder_opts);
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208 av_freep(&ist->filters);
209 av_freep(&ist->hwaccel_device);
210
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211 avcodec_free_context(&ist->dec_ctx);
212
2e215267 213 av_freep(&input_streams[i]);
9179f27c 214 }
6291d7e4 215
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216 if (vstats_file)
217 fclose(vstats_file);
218 av_free(vstats_filename);
219
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220 av_freep(&input_streams);
221 av_freep(&input_files);
4288e031 222 av_freep(&output_streams);
af70aa45 223 av_freep(&output_files);
6291d7e4 224
6291d7e4 225 uninit_opts();
6291d7e4 226
776f2bb9 227 avformat_network_deinit();
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228
229 if (received_sigterm) {
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230 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
231 (int) received_sigterm);
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232 exit (255);
233 }
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234}
235
f5e66827 236void assert_avoptions(AVDictionary *m)
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237{
238 AVDictionaryEntry *t;
239 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
f24facd3 240 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
636ced8e 241 exit_program(1);
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242 }
243}
244
c854102d 245static void abort_codec_experimental(AVCodec *c, int encoder)
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246{
247 const char *codec_string = encoder ? "encoder" : "decoder";
248 AVCodec *codec;
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249 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
250 "results.\nAdd '-strict experimental' if you want to use it.\n",
251 codec_string, c->name);
252 codec = encoder ? avcodec_find_encoder(c->id) : avcodec_find_decoder(c->id);
253 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
254 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
255 codec_string, codec->name);
636ced8e 256 exit_program(1);
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257}
258
c1ef30a6 259/*
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260 * Update the requested input sample format based on the output sample format.
261 * This is currently only used to request float output from decoders which
262 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
263 * Ideally this will be removed in the future when decoders do not do format
264 * conversion and only output in their native format.
265 */
266static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
267 AVCodecContext *enc)
268{
269 /* if sample formats match or a decoder sample format has already been
270 requested, just return */
271 if (enc->sample_fmt == dec->sample_fmt ||
272 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
273 return;
274
275 /* if decoder supports more than one output format */
276 if (dec_codec && dec_codec->sample_fmts &&
277 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
278 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
279 const enum AVSampleFormat *p;
fd41cb43
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280 int min_dec = INT_MAX, min_inc = INT_MAX;
281 enum AVSampleFormat dec_fmt = AV_SAMPLE_FMT_NONE;
282 enum AVSampleFormat inc_fmt = AV_SAMPLE_FMT_NONE;
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283
284 /* find a matching sample format in the encoder */
285 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
286 if (*p == enc->sample_fmt) {
287 dec->request_sample_fmt = *p;
288 return;
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289 } else {
290 enum AVSampleFormat dfmt = av_get_packed_sample_fmt(*p);
291 enum AVSampleFormat efmt = av_get_packed_sample_fmt(enc->sample_fmt);
292 int fmt_diff = 32 * abs(dfmt - efmt);
293 if (av_sample_fmt_is_planar(*p) !=
294 av_sample_fmt_is_planar(enc->sample_fmt))
295 fmt_diff++;
296 if (dfmt == efmt) {
297 min_inc = fmt_diff;
298 inc_fmt = *p;
299 } else if (dfmt > efmt) {
300 if (fmt_diff < min_inc) {
301 min_inc = fmt_diff;
302 inc_fmt = *p;
303 }
304 } else {
305 if (fmt_diff < min_dec) {
306 min_dec = fmt_diff;
307 dec_fmt = *p;
308 }
309 }
310 }
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311 }
312
313 /* if none match, provide the one that matches quality closest */
fd41cb43 314 dec->request_sample_fmt = min_inc != INT_MAX ? inc_fmt : dec_fmt;
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315 }
316}
317
f15f02c2 318static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
7636c8c6 319{
f15f02c2 320 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
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
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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
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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
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505static void do_video_out(AVFormatContext *s,
506 OutputStream *ost,
87ef060c 507 AVFrame *in_picture,
fb722a90 508 int *frame_size)
87ef060c 509{
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510 int ret, format_video_sync;
511 AVPacket pkt;
38313626 512 AVCodecContext *enc = ost->enc_ctx;
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513
514 *frame_size = 0;
515
553735f5 516 format_video_sync = video_sync_method;
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517 if (format_video_sync == VSYNC_AUTO)
518 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
519 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
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520 if (format_video_sync != VSYNC_PASSTHROUGH &&
521 ost->frame_number &&
522 in_picture->pts != AV_NOPTS_VALUE &&
523 in_picture->pts < ost->sync_opts) {
d43040e2 524 nb_frames_drop++;
aa499568
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525 av_log(NULL, AV_LOG_WARNING,
526 "*** dropping frame %d from stream %d at ts %"PRId64"\n",
527 ost->frame_number, ost->st->index, in_picture->pts);
87ef060c 528 return;
d43040e2 529 }
87ef060c 530
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531 if (in_picture->pts == AV_NOPTS_VALUE)
532 in_picture->pts = ost->sync_opts;
533 ost->sync_opts = in_picture->pts;
534
535
1270e12e 536 if (!ost->frame_number)
74b961db 537 ost->first_pts = in_picture->pts;
1270e12e 538
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539 av_init_packet(&pkt);
540 pkt.data = NULL;
541 pkt.size = 0;
6291d7e4 542
a83c0da5 543 if (ost->frame_number >= ost->max_frames)
39885a4b 544 return;
1270e12e 545
39885a4b 546 if (s->oformat->flags & AVFMT_RAWPICTURE &&
36ef5369 547 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
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548 /* raw pictures are written as AVPicture structure to
549 avoid any copies. We support temporarily the older
550 method. */
551 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
552 enc->coded_frame->top_field_first = in_picture->top_field_first;
553 pkt.data = (uint8_t *)in_picture;
554 pkt.size = sizeof(AVPicture);
555 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
556 pkt.flags |= AV_PKT_FLAG_KEY;
6291d7e4 557
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558 write_frame(s, &pkt, ost);
559 } else {
560 int got_packet;
6291d7e4 561
38313626 562 if (enc->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
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563 ost->top_field_first >= 0)
564 in_picture->top_field_first = !!ost->top_field_first;
565
38313626 566 in_picture->quality = enc->global_quality;
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);
f154ef1a
AK
1164 if (!*got_output || ret < 0) {
1165 if (!pkt->size) {
369cb092 1166 for (i = 0; i < ist->nb_filters; i++)
9b2dc295 1167 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
f154ef1a 1168 }
af8ad892 1169 return ret;
ded28ba3
AK
1170 }
1171
47543450
AK
1172 ist->samples_decoded += decoded_frame->nb_samples;
1173 ist->frames_decoded++;
1174
d1241ff3
JR
1175 /* if the decoder provides a pts, use it instead of the last packet pts.
1176 the decoder could be delaying output by a packet or more. */
1177 if (decoded_frame->pts != AV_NOPTS_VALUE)
3101bb66 1178 ist->next_dts = decoded_frame->pts;
1ae8198b 1179 else if (pkt->pts != AV_NOPTS_VALUE)
369cb092 1180 decoded_frame->pts = pkt->pts;
1ae8198b 1181 pkt->pts = AV_NOPTS_VALUE;
ded28ba3 1182
369cb092
AK
1183 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1184 ist->resample_channels != avctx->channels ||
1185 ist->resample_channel_layout != decoded_frame->channel_layout ||
1186 ist->resample_sample_rate != decoded_frame->sample_rate;
1187 if (resample_changed) {
1188 char layout1[64], layout2[64];
ded28ba3 1189
369cb092
AK
1190 if (!guess_input_channel_layout(ist)) {
1191 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1192 "layout for Input Stream #%d.%d\n", ist->file_index,
1193 ist->st->index);
636ced8e 1194 exit_program(1);
369cb092
AK
1195 }
1196 decoded_frame->channel_layout = avctx->channel_layout;
1197
1198 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1199 ist->resample_channel_layout);
1200 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1201 decoded_frame->channel_layout);
1202
1203 av_log(NULL, AV_LOG_INFO,
1204 "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",
1205 ist->file_index, ist->st->index,
1206 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1207 ist->resample_channels, layout1,
1208 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1209 avctx->channels, layout2);
1210
1211 ist->resample_sample_fmt = decoded_frame->format;
1212 ist->resample_sample_rate = decoded_frame->sample_rate;
1213 ist->resample_channel_layout = decoded_frame->channel_layout;
1214 ist->resample_channels = avctx->channels;
1215
1216 for (i = 0; i < nb_filtergraphs; i++)
1217 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1218 configure_filtergraph(filtergraphs[i]) < 0) {
1219 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
636ced8e 1220 exit_program(1);
369cb092 1221 }
ded28ba3 1222 }
110d2af2 1223
715129cd
MS
1224 if (decoded_frame->pts != AV_NOPTS_VALUE)
1225 decoded_frame->pts = av_rescale_q(decoded_frame->pts,
1226 ist->st->time_base,
41776ba9 1227 (AVRational){1, avctx->sample_rate});
9b2dc295
AK
1228 for (i = 0; i < ist->nb_filters; i++) {
1229 if (i < ist->nb_filters - 1) {
1230 f = ist->filter_frame;
1231 err = av_frame_ref(f, decoded_frame);
1232 if (err < 0)
1233 break;
1234 } else
1235 f = decoded_frame;
369cb092 1236
9b2dc295
AK
1237 err = av_buffersrc_add_frame(ist->filters[i]->filter, f);
1238 if (err < 0)
1239 break;
1240 }
1241
1242 av_frame_unref(ist->filter_frame);
1243 av_frame_unref(decoded_frame);
1244 return err < 0 ? err : ret;
ded28ba3
AK
1245}
1246
0629f612 1247static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
45d4b66f 1248{
9b2dc295 1249 AVFrame *decoded_frame, *f;
9b2dc295 1250 int i, ret = 0, err = 0, resample_changed;
45d4b66f 1251
9b2dc295
AK
1252 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1253 return AVERROR(ENOMEM);
1254 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
45d4b66f 1255 return AVERROR(ENOMEM);
9179f27c 1256 decoded_frame = ist->decoded_frame;
45d4b66f 1257
41776ba9 1258 ret = avcodec_decode_video2(ist->dec_ctx,
45d4b66f 1259 decoded_frame, got_output, pkt);
f154ef1a
AK
1260 if (!*got_output || ret < 0) {
1261 if (!pkt->size) {
89605e4a 1262 for (i = 0; i < ist->nb_filters; i++)
9b2dc295 1263 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
f154ef1a 1264 }
af8ad892 1265 return ret;
45d4b66f 1266 }
f154ef1a 1267
47543450
AK
1268 ist->frames_decoded++;
1269
07fd0a22 1270 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
41776ba9 1271 err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
07fd0a22
AK
1272 if (err < 0)
1273 goto fail;
1274 }
1275 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
1276
b34856a1
AK
1277 decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1278 decoded_frame->pkt_dts);
45d4b66f 1279 pkt->size = 0;
45d4b66f 1280
695ec04e
AK
1281 if (ist->st->sample_aspect_ratio.num)
1282 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1283
e77c8662
AK
1284 resample_changed = ist->resample_width != decoded_frame->width ||
1285 ist->resample_height != decoded_frame->height ||
1286 ist->resample_pix_fmt != decoded_frame->format;
1287 if (resample_changed) {
1288 av_log(NULL, AV_LOG_INFO,
1289 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1290 ist->file_index, ist->st->index,
1291 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1292 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1293
2f34021d 1294 ret = poll_filters();
22a6d48b
LB
1295 if (ret < 0 && (ret != AVERROR_EOF && ret != AVERROR(EAGAIN))) {
1296 char errbuf[128];
1297 av_strerror(ret, errbuf, sizeof(errbuf));
1298
1299 av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
1300 }
2f34021d 1301
e77c8662
AK
1302 ist->resample_width = decoded_frame->width;
1303 ist->resample_height = decoded_frame->height;
1304 ist->resample_pix_fmt = decoded_frame->format;
e77c8662 1305
3b266da3
AK
1306 for (i = 0; i < nb_filtergraphs; i++)
1307 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1308 configure_filtergraph(filtergraphs[i]) < 0) {
ac646076 1309 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
636ced8e 1310 exit_program(1);
3b266da3
AK
1311 }
1312 }
ac646076 1313
3b266da3 1314 for (i = 0; i < ist->nb_filters; i++) {
9b2dc295
AK
1315 if (i < ist->nb_filters - 1) {
1316 f = ist->filter_frame;
1317 err = av_frame_ref(f, decoded_frame);
1318 if (err < 0)
1319 break;
04a14d4d 1320 } else
9b2dc295
AK
1321 f = decoded_frame;
1322
1323 err = av_buffersrc_add_frame(ist->filters[i]->filter, f);
1324 if (err < 0)
1325 break;
45d4b66f
AK
1326 }
1327
07fd0a22 1328fail:
9b2dc295
AK
1329 av_frame_unref(ist->filter_frame);
1330 av_frame_unref(decoded_frame);
9b2dc295 1331 return err < 0 ? err : ret;
45d4b66f
AK
1332}
1333
9595234c
AK
1334static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1335{
1336 AVSubtitle subtitle;
41776ba9 1337 int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
9595234c
AK
1338 &subtitle, got_output, pkt);
1339 if (ret < 0)
1340 return ret;
1341 if (!*got_output)
af8ad892 1342 return ret;
9595234c 1343
47543450
AK
1344 ist->frames_decoded++;
1345
9595234c 1346 for (i = 0; i < nb_output_streams; i++) {
2e215267 1347 OutputStream *ost = output_streams[i];
9595234c
AK
1348
1349 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1350 continue;
1351
2e215267 1352 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
9595234c
AK
1353 }
1354
1355 avsubtitle_free(&subtitle);
af8ad892 1356 return ret;
9595234c
AK
1357}
1358
6291d7e4 1359/* pkt = NULL means EOF (needed to flush decoder buffers) */
aa51b049 1360static int process_input_packet(InputStream *ist, const AVPacket *pkt)
6291d7e4 1361{
ffa0674e 1362 int i;
6291d7e4 1363 int got_output;
6291d7e4 1364 AVPacket avpkt;
6291d7e4 1365
3101bb66 1366 if (ist->next_dts == AV_NOPTS_VALUE)
23576b3f 1367 ist->next_dts = ist->last_dts;
6291d7e4 1368
f929ab05 1369 if (!pkt) {
6291d7e4
AK
1370 /* EOF handling */
1371 av_init_packet(&avpkt);
1372 avpkt.data = NULL;
1373 avpkt.size = 0;
1374 goto handle_eof;
1375 } else {
1376 avpkt = *pkt;
1377 }
1378
7636c8c6 1379 if (pkt->dts != AV_NOPTS_VALUE)
23576b3f 1380 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
6291d7e4 1381
7636c8c6 1382 // while we have more to decode or while the decoder did output something on EOF
2a651b71 1383 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
ffa0674e 1384 int ret = 0;
6291d7e4 1385 handle_eof:
6291d7e4 1386
23576b3f 1387 ist->last_dts = ist->next_dts;
8b0268a8 1388
d1780e01
AK
1389 if (avpkt.size && avpkt.size != pkt->size &&
1390 !(ist->dec->capabilities & CODEC_CAP_SUBFRAMES)) {
e3245b26
AK
1391 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1392 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
8b0268a8
AK
1393 ist->showed_multi_packet_warning = 1;
1394 }
6291d7e4 1395
41776ba9 1396 switch (ist->dec_ctx->codec_type) {
82963f8f 1397 case AVMEDIA_TYPE_AUDIO:
0629f612 1398 ret = decode_audio (ist, &avpkt, &got_output);
82963f8f
AK
1399 break;
1400 case AVMEDIA_TYPE_VIDEO:
0629f612 1401 ret = decode_video (ist, &avpkt, &got_output);
b34856a1
AK
1402 if (avpkt.duration)
1403 ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
aba232cf 1404 else if (ist->st->avg_frame_rate.num)
82494835 1405 ist->next_dts += av_rescale_q(1, av_inv_q(ist->st->avg_frame_rate),
722410ad 1406 AV_TIME_BASE_Q);
557d4c4e 1407 else if (ist->dec_ctx->framerate.num != 0) {
b34856a1 1408 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
41776ba9 1409 ist->dec_ctx->ticks_per_frame;
557d4c4e 1410 ist->next_dts += av_rescale_q(ticks, ist->dec_ctx->framerate, AV_TIME_BASE_Q);
b34856a1 1411 }
82963f8f
AK
1412 break;
1413 case AVMEDIA_TYPE_SUBTITLE:
1414 ret = transcode_subtitles(ist, &avpkt, &got_output);
1415 break;
78162b4e
AK
1416 default:
1417 return -1;
1418 }
6291d7e4 1419
d3c1d37a
AK
1420 if (ret < 0)
1421 return ret;
aa38cff2
JG
1422 // touch data and size only if not EOF
1423 if (pkt) {
1424 avpkt.data += ret;
1425 avpkt.size -= ret;
1426 }
82963f8f 1427 if (!got_output) {
af8ad892 1428 continue;
82963f8f 1429 }
6291d7e4 1430 }
6291d7e4 1431
7204ec1a 1432 /* handle stream copy */
2a651b71 1433 if (!ist->decoding_needed) {
23576b3f 1434 ist->last_dts = ist->next_dts;
41776ba9 1435 switch (ist->dec_ctx->codec_type) {
2a651b71 1436 case AVMEDIA_TYPE_AUDIO:
41776ba9
AK
1437 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
1438 ist->dec_ctx->sample_rate;
2a651b71
AK
1439 break;
1440 case AVMEDIA_TYPE_VIDEO:
557d4c4e 1441 if (ist->dec_ctx->framerate.num != 0) {
41776ba9 1442 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
3101bb66 1443 ist->next_dts += ((int64_t)AV_TIME_BASE *
557d4c4e
AK
1444 ist->dec_ctx->framerate.den * ticks) /
1445 ist->dec_ctx->framerate.num;
2a651b71
AK
1446 }
1447 break;
1448 }
1449 }
ea9367e9 1450 for (i = 0; pkt && i < nb_output_streams; i++) {
2e215267 1451 OutputStream *ost = output_streams[i];
7204ec1a
AK
1452
1453 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1454 continue;
1455
1456 do_streamcopy(ist, ost, pkt);
1457 }
1458
6291d7e4
AK
1459 return 0;
1460}
1461
ea9367e9 1462static void print_sdp(void)
6291d7e4 1463{
a23abaf3 1464 char sdp[16384];
af70aa45 1465 int i;
ea9367e9 1466 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
af70aa45
AK
1467
1468 if (!avc)
636ced8e 1469 exit_program(1);
ea9367e9 1470 for (i = 0; i < nb_output_files; i++)
2e215267 1471 avc[i] = output_files[i]->ctx;
6291d7e4 1472
ea9367e9 1473 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
6291d7e4
AK
1474 printf("SDP:\n%s\n", sdp);
1475 fflush(stdout);
af70aa45 1476 av_freep(&avc);
6291d7e4
AK
1477}
1478
07fd0a22
AK
1479static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
1480{
1481 int i;
1482 for (i = 0; hwaccels[i].name; i++)
1483 if (hwaccels[i].pix_fmt == pix_fmt)
1484 return &hwaccels[i];
1485 return NULL;
1486}
1487
1488static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
1489{
1490 InputStream *ist = s->opaque;
1491 const enum AVPixelFormat *p;
1492 int ret;
1493
1494 for (p = pix_fmts; *p != -1; p++) {
1495 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
1496 const HWAccel *hwaccel;
1497
1498 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
1499 break;
1500
1501 hwaccel = get_hwaccel(*p);
1502 if (!hwaccel ||
1503 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
1504 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
1505 continue;
1506
1507 ret = hwaccel->init(s);
1508 if (ret < 0) {
1509 if (ist->hwaccel_id == hwaccel->id) {
1510 av_log(NULL, AV_LOG_FATAL,
1511 "%s hwaccel requested for input stream #%d:%d, "
1512 "but cannot be initialized.\n", hwaccel->name,
1513 ist->file_index, ist->st->index);
dc7536ca 1514 return AV_PIX_FMT_NONE;
07fd0a22
AK
1515 }
1516 continue;
1517 }
1518 ist->active_hwaccel_id = hwaccel->id;
1519 ist->hwaccel_pix_fmt = *p;
1520 break;
1521 }
1522
1523 return *p;
1524}
1525
1526static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
1527{
1528 InputStream *ist = s->opaque;
1529
1530 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
1531 return ist->hwaccel_get_buffer(s, frame, flags);
1532
1533 return avcodec_default_get_buffer2(s, frame, flags);
1534}
1535
ea9367e9 1536static int init_input_stream(int ist_index, char *error, int error_len)
630902a1 1537{
c854102d 1538 int i, ret;
2e215267 1539 InputStream *ist = input_streams[ist_index];
630902a1
AK
1540 if (ist->decoding_needed) {
1541 AVCodec *codec = ist->dec;
630902a1 1542 if (!codec) {
9a414d89 1543 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
41776ba9 1544 ist->dec_ctx->codec_id, ist->file_index, ist->st->index);
630902a1
AK
1545 return AVERROR(EINVAL);
1546 }
1547
1548 /* update requested sample format for the decoder based on the
1549 corresponding encoder sample format */
1550 for (i = 0; i < nb_output_streams; i++) {
2e215267 1551 OutputStream *ost = output_streams[i];
630902a1 1552 if (ost->source_index == ist_index) {
38313626 1553 update_sample_fmt(ist->dec_ctx, codec, ost->enc_ctx);
630902a1
AK
1554 break;
1555 }
1556 }
1557
41776ba9
AK
1558 ist->dec_ctx->opaque = ist;
1559 ist->dec_ctx->get_format = get_format;
1560 ist->dec_ctx->get_buffer2 = get_buffer;
1561 ist->dec_ctx->thread_safe_callbacks = 1;
07fd0a22 1562
41776ba9 1563 av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
64dca32c 1564
f3a6ad22
AK
1565 if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
1566 av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
41776ba9 1567 if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
42cc6cef 1568 char errbuf[128];
c854102d
NC
1569 if (ret == AVERROR_EXPERIMENTAL)
1570 abort_codec_experimental(codec, 0);
42cc6cef
LB
1571
1572 av_strerror(ret, errbuf, sizeof(errbuf));
1573
1574 snprintf(error, error_len,
1575 "Error while opening decoder for input stream "
1576 "#%d:%d : %s",
1577 ist->file_index, ist->st->index, errbuf);
c854102d 1578 return ret;
630902a1 1579 }
f3a6ad22 1580 assert_avoptions(ist->decoder_opts);
630902a1
AK
1581 }
1582
41776ba9 1583 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 1584 ist->next_dts = AV_NOPTS_VALUE;
630902a1 1585 init_pts_correction(&ist->pts_ctx);
630902a1
AK
1586
1587 return 0;
1588}
1589
3b266da3
AK
1590static InputStream *get_input_stream(OutputStream *ost)
1591{
1592 if (ost->source_index >= 0)
1593 return input_streams[ost->source_index];
1594
1595 if (ost->filter) {
1596 FilterGraph *fg = ost->filter->graph;
1597 int i;
1598
1599 for (i = 0; i < fg->nb_inputs; i++)
38313626 1600 if (fg->inputs[i]->ist->dec_ctx->codec_type == ost->enc_ctx->codec_type)
3b266da3
AK
1601 return fg->inputs[i]->ist;
1602 }
1603
1604 return NULL;
1605}
1606
19ad5673
AK
1607static void parse_forced_key_frames(char *kf, OutputStream *ost,
1608 AVCodecContext *avctx)
1609{
1610 char *p;
1611 int n = 1, i;
1612 int64_t t;
1613
1614 for (p = kf; *p; p++)
1615 if (*p == ',')
1616 n++;
1617 ost->forced_kf_count = n;
1618 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1619 if (!ost->forced_kf_pts) {
1620 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
636ced8e 1621 exit_program(1);
19ad5673 1622 }
4c679750
RD
1623
1624 p = kf;
19ad5673 1625 for (i = 0; i < n; i++) {
4c679750
RD
1626 char *next = strchr(p, ',');
1627
1628 if (next)
1629 *next++ = 0;
1630
19ad5673
AK
1631 t = parse_time_or_die("force_key_frames", p, 1);
1632 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
4c679750
RD
1633
1634 p = next;
19ad5673
AK
1635 }
1636}
1637
6656370b
AK
1638static void set_encoder_id(OutputFile *of, OutputStream *ost)
1639{
1640 AVDictionaryEntry *e;
1641
1642 uint8_t *encoder_string;
1643 int encoder_string_len;
1644 int format_flags = 0;
1645
1646 e = av_dict_get(of->opts, "fflags", NULL, 0);
1647 if (e) {
1648 const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
1649 if (!o)
1650 return;
1651 av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
1652 }
1653
1654 encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
1655 encoder_string = av_mallocz(encoder_string_len);
1656 if (!encoder_string)
1657 exit_program(1);
1658
1659 if (!(format_flags & AVFMT_FLAG_BITEXACT))
1660 av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
1661 av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
1662 av_dict_set(&ost->st->metadata, "encoder", encoder_string,
1663 AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
1664}
1665
ea9367e9 1666static int transcode_init(void)
6291d7e4 1667{
2c474ddb 1668 int ret = 0, i, j, k;
1bb77e51 1669 AVFormatContext *oc;
4288e031 1670 OutputStream *ost;
6291d7e4
AK
1671 InputStream *ist;
1672 char error[1024];
1673 int want_sdp = 1;
b0c9e8e0 1674
f4805328
AK
1675 /* init framerate emulation */
1676 for (i = 0; i < nb_input_files; i++) {
2e215267 1677 InputFile *ifile = input_files[i];
f4805328
AK
1678 if (ifile->rate_emu)
1679 for (j = 0; j < ifile->nb_streams; j++)
d0c09302 1680 input_streams[j + ifile->ist_index]->start = av_gettime_relative();
f4805328 1681 }
6291d7e4
AK
1682
1683 /* output stream init */
03f30c83 1684 for (i = 0; i < nb_output_files; i++) {
2e215267 1685 oc = output_files[i]->ctx;
1bb77e51
AK
1686 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
1687 av_dump_format(oc, i, oc->filename, 1);
e3245b26 1688 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
eaf2d37a 1689 return AVERROR(EINVAL);
6291d7e4 1690 }
6291d7e4
AK
1691 }
1692
3b266da3
AK
1693 /* init complex filtergraphs */
1694 for (i = 0; i < nb_filtergraphs; i++)
1695 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
1696 return ret;
1697
6291d7e4 1698 /* for each output stream, we compute the right encoding parameters */
4288e031 1699 for (i = 0; i < nb_output_streams; i++) {
65ed9e75 1700 AVCodecContext *enc_ctx;
650a5206 1701 AVCodecContext *dec_ctx = NULL;
2e215267
AK
1702 ost = output_streams[i];
1703 oc = output_files[ost->file_index]->ctx;
3b266da3 1704 ist = get_input_stream(ost);
6291d7e4 1705
4dbc6cee
AK
1706 if (ost->attachment_filename)
1707 continue;
1708
3892bdab 1709 enc_ctx = ost->stream_copy ? ost->st->codec : ost->enc_ctx;
6291d7e4 1710
3b266da3 1711 if (ist) {
41776ba9 1712 dec_ctx = ist->dec_ctx;
3b266da3
AK
1713
1714 ost->st->disposition = ist->st->disposition;
65ed9e75
AK
1715 enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
1716 enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
3b266da3 1717 }
6291d7e4 1718
3d813e4c 1719 if (ost->stream_copy) {
538bf767 1720 AVRational sar;
8c4022ac
AK
1721 uint64_t extra_size;
1722
1723 av_assert0(ist && !ost->filter);
1724
650a5206 1725 extra_size = (uint64_t)dec_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
6291d7e4 1726
e6d2b737 1727 if (extra_size > INT_MAX) {
eaf2d37a 1728 return AVERROR(EINVAL);
e6d2b737 1729 }
6291d7e4
AK
1730
1731 /* if stream_copy is selected, no need to decode or encode */
65ed9e75
AK
1732 enc_ctx->codec_id = dec_ctx->codec_id;
1733 enc_ctx->codec_type = dec_ctx->codec_type;
6291d7e4 1734
65ed9e75 1735 if (!enc_ctx->codec_tag) {
03f30c83 1736 if (!oc->oformat->codec_tag ||
65ed9e75 1737 av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == enc_ctx->codec_id ||
650a5206 1738 av_codec_get_tag(oc->oformat->codec_tag, dec_ctx->codec_id) <= 0)
65ed9e75 1739 enc_ctx->codec_tag = dec_ctx->codec_tag;
6291d7e4
AK
1740 }
1741
65ed9e75
AK
1742 enc_ctx->bit_rate = dec_ctx->bit_rate;
1743 enc_ctx->rc_max_rate = dec_ctx->rc_max_rate;
1744 enc_ctx->rc_buffer_size = dec_ctx->rc_buffer_size;
1745 enc_ctx->field_order = dec_ctx->field_order;
1746 enc_ctx->extradata = av_mallocz(extra_size);
1747 if (!enc_ctx->extradata) {
eaf2d37a 1748 return AVERROR(ENOMEM);
e6d2b737 1749 }
65ed9e75
AK
1750 memcpy(enc_ctx->extradata, dec_ctx->extradata, dec_ctx->extradata_size);
1751 enc_ctx->extradata_size = dec_ctx->extradata_size;
7bb3e625 1752 if (!copy_tb) {
65ed9e75
AK
1753 enc_ctx->time_base = dec_ctx->time_base;
1754 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
1755 av_reduce(&enc_ctx->time_base.num, &enc_ctx->time_base.den,
1756 enc_ctx->time_base.num, enc_ctx->time_base.den, INT_MAX);
03f30c83 1757 } else
65ed9e75 1758 enc_ctx->time_base = ist->st->time_base;
03f30c83 1759
88b32673
AK
1760 if (ist->st->nb_side_data) {
1761 ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data,
1762 sizeof(*ist->st->side_data));
1763 if (!ost->st->side_data)
1764 return AVERROR(ENOMEM);
1765
1766 for (j = 0; j < ist->st->nb_side_data; j++) {
1767 const AVPacketSideData *sd_src = &ist->st->side_data[j];
1768 AVPacketSideData *sd_dst = &ost->st->side_data[j];
1769
1770 sd_dst->data = av_malloc(sd_src->size);
1771 if (!sd_dst->data)
1772 return AVERROR(ENOMEM);
1773 memcpy(sd_dst->data, sd_src->data, sd_src->size);
1774 sd_dst->size = sd_src->size;
1775 sd_dst->type = sd_src->type;
1776 ost->st->nb_side_data++;
1777 }
1778 }
1779
65ed9e75 1780 ost->parser = av_parser_init(enc_ctx->codec_id);
c872d310 1781
65ed9e75 1782 switch (enc_ctx->codec_type) {
6291d7e4 1783 case AVMEDIA_TYPE_AUDIO:
7636c8c6 1784 if (audio_volume != 256) {
e3245b26 1785 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
636ced8e 1786 exit_program(1);
6291d7e4 1787 }
65ed9e75
AK
1788 enc_ctx->channel_layout = dec_ctx->channel_layout;
1789 enc_ctx->sample_rate = dec_ctx->sample_rate;
1790 enc_ctx->channels = dec_ctx->channels;
1791 enc_ctx->frame_size = dec_ctx->frame_size;
1792 enc_ctx->audio_service_type = dec_ctx->audio_service_type;
1793 enc_ctx->block_align = dec_ctx->block_align;
6291d7e4
AK
1794 break;
1795 case AVMEDIA_TYPE_VIDEO:
65ed9e75
AK
1796 enc_ctx->pix_fmt = dec_ctx->pix_fmt;
1797 enc_ctx->width = dec_ctx->width;
1798 enc_ctx->height = dec_ctx->height;
1799 enc_ctx->has_b_frames = dec_ctx->has_b_frames;
538bf767 1800 if (ost->frame_aspect_ratio)
65ed9e75 1801 sar = av_d2q(ost->frame_aspect_ratio * enc_ctx->height / enc_ctx->width, 255);
538bf767
AK
1802 else if (ist->st->sample_aspect_ratio.num)
1803 sar = ist->st->sample_aspect_ratio;
1804 else
650a5206 1805 sar = dec_ctx->sample_aspect_ratio;
65ed9e75 1806 ost->st->sample_aspect_ratio = enc_ctx->sample_aspect_ratio = sar;
6291d7e4
AK
1807 break;
1808 case AVMEDIA_TYPE_SUBTITLE:
65ed9e75
AK
1809 enc_ctx->width = dec_ctx->width;
1810 enc_ctx->height = dec_ctx->height;
6291d7e4
AK
1811 break;
1812 case AVMEDIA_TYPE_DATA:
3ccd1580 1813 case AVMEDIA_TYPE_ATTACHMENT:
6291d7e4
AK
1814 break;
1815 default:
1816 abort();
1817 }
1818 } else {
2994913d
AK
1819 if (!ost->enc) {
1820 /* should only happen when a default codec is not present. */
1821 snprintf(error, sizeof(error), "Automatic encoder selection "
1822 "failed for output stream #%d:%d. Default encoder for "
1823 "format %s is probably disabled. Please choose an "
1824 "encoder manually.\n", ost->file_index, ost->index,
1825 oc->oformat->name);
1826 ret = AVERROR(EINVAL);
1827 goto dump_format;
1828 }
03f30c83 1829
3b266da3
AK
1830 if (ist)
1831 ist->decoding_needed = 1;
11fdb7e1 1832 ost->encoding_needed = 1;
03f30c83 1833
6656370b
AK
1834 set_encoder_id(output_files[ost->file_index], ost);
1835
74b961db
AK
1836 /*
1837 * We want CFR output if and only if one of those is true:
1838 * 1) user specified output framerate with -r
1839 * 2) user specified -vsync cfr
1840 * 3) output format is CFR and the user didn't force vsync to
1841 * something else than CFR
1842 *
1843 * in such a case, set ost->frame_rate
1844 */
65ed9e75 1845 if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO &&
74b961db
AK
1846 !ost->frame_rate.num && ist &&
1847 (video_sync_method == VSYNC_CFR ||
1848 (video_sync_method == VSYNC_AUTO &&
1849 !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
2ce8bca5
AK
1850 if (ist->framerate.num)
1851 ost->frame_rate = ist->framerate;
1852 else if (ist->st->avg_frame_rate.num)
1853 ost->frame_rate = ist->st->avg_frame_rate;
1854 else {
1855 av_log(NULL, AV_LOG_WARNING, "Constant framerate requested "
1856 "for the output stream #%d:%d, but no information "
1857 "about the input framerate is available. Falling "
1858 "back to a default value of 25fps. Use the -r option "
1859 "if you want a different framerate.\n",
1860 ost->file_index, ost->index);
1861 ost->frame_rate = (AVRational){ 25, 1 };
1862 }
44b0b85f 1863
74b961db
AK
1864 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
1865 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
1866 ost->frame_rate = ost->enc->supported_framerates[idx];
1867 }
1868 }
1869
369cb092 1870 if (!ost->filter &&
65ed9e75
AK
1871 (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
1872 enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) {
3b266da3
AK
1873 FilterGraph *fg;
1874 fg = init_simple_filtergraph(ist, ost);
8daf21d5 1875 if (configure_filtergraph(fg)) {
3b266da3 1876 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
636ced8e 1877 exit_program(1);
3b266da3 1878 }
369cb092 1879 }
3b266da3 1880
65ed9e75 1881 switch (enc_ctx->codec_type) {
369cb092 1882 case AVMEDIA_TYPE_AUDIO:
65ed9e75
AK
1883 enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
1884 enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
1885 enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
1886 enc_ctx->channels = av_get_channel_layout_nb_channels(enc_ctx->channel_layout);
1887 enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
369cb092
AK
1888 break;
1889 case AVMEDIA_TYPE_VIDEO:
65ed9e75 1890 enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
6291d7e4 1891
65ed9e75
AK
1892 enc_ctx->width = ost->filter->filter->inputs[0]->w;
1893 enc_ctx->height = ost->filter->filter->inputs[0]->h;
1894 enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
3b266da3 1895 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
65ed9e75 1896 av_d2q(ost->frame_aspect_ratio * enc_ctx->height/enc_ctx->width, 255) :
3b266da3 1897 ost->filter->filter->inputs[0]->sample_aspect_ratio;
65ed9e75 1898 enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
b7327887 1899
93afb6c9
AK
1900 ost->st->avg_frame_rate = ost->frame_rate;
1901
650a5206 1902 if (dec_ctx &&
65ed9e75
AK
1903 (enc_ctx->width != dec_ctx->width ||
1904 enc_ctx->height != dec_ctx->height ||
1905 enc_ctx->pix_fmt != dec_ctx->pix_fmt)) {
1906 enc_ctx->bits_per_raw_sample = 0;
b7327887
AK
1907 }
1908
19ad5673
AK
1909 if (ost->forced_keyframes)
1910 parse_forced_key_frames(ost->forced_keyframes, ost,
38313626 1911 ost->enc_ctx);
6291d7e4
AK
1912 break;
1913 case AVMEDIA_TYPE_SUBTITLE:
65ed9e75 1914 enc_ctx->time_base = (AVRational){1, 1000};
6291d7e4
AK
1915 break;
1916 default:
1917 abort();
1918 break;
1919 }
1920 /* two pass mode */
65ed9e75 1921 if ((enc_ctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
6291d7e4
AK
1922 char logfilename[1024];
1923 FILE *f;
1924
1925 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
bbcedade
AK
1926 ost->logfile_prefix ? ost->logfile_prefix :
1927 DEFAULT_PASS_LOGFILENAME_PREFIX,
6291d7e4 1928 i);
6e8be949 1929 if (!strcmp(ost->enc->name, "libx264")) {
9580818c 1930 av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
6e8be949 1931 } else {
65ed9e75 1932 if (enc_ctx->flags & CODEC_FLAG_PASS1) {
64334ddb
AK
1933 f = fopen(logfilename, "wb");
1934 if (!f) {
1935 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
1936 logfilename, strerror(errno));
636ced8e 1937 exit_program(1);
64334ddb
AK
1938 }
1939 ost->logfile = f;
1940 } else {
1941 char *logbuffer;
1942 size_t logbuffer_size;
1943 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
1944 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
1945 logfilename);
636ced8e 1946 exit_program(1);
64334ddb 1947 }
65ed9e75 1948 enc_ctx->stats_in = logbuffer;
6291d7e4 1949 }
6e8be949 1950 }
6291d7e4
AK
1951 }
1952 }
6291d7e4
AK
1953 }
1954
1955 /* open each encoder */
4288e031 1956 for (i = 0; i < nb_output_streams; i++) {
2e215267 1957 ost = output_streams[i];
6291d7e4 1958 if (ost->encoding_needed) {
03f30c83 1959 AVCodec *codec = ost->enc;
3b266da3 1960 AVCodecContext *dec = NULL;
3b266da3
AK
1961
1962 if ((ist = get_input_stream(ost)))
41776ba9 1963 dec = ist->dec_ctx;
3b266da3 1964 if (dec && dec->subtitle_header) {
38313626
AK
1965 ost->enc_ctx->subtitle_header = av_malloc(dec->subtitle_header_size);
1966 if (!ost->enc_ctx->subtitle_header) {
6291d7e4
AK
1967 ret = AVERROR(ENOMEM);
1968 goto dump_format;
1969 }
38313626
AK
1970 memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
1971 ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
6291d7e4 1972 }
9580818c
AK
1973 if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
1974 av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
38313626
AK
1975 av_dict_set(&ost->encoder_opts, "side_data_only_packets", "1", 0);
1976
1977 if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
c854102d
NC
1978 if (ret == AVERROR_EXPERIMENTAL)
1979 abort_codec_experimental(codec, 1);
9a414d89 1980 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 1981 ost->file_index, ost->index);
6291d7e4
AK
1982 goto dump_format;
1983 }
9580818c 1984 assert_avoptions(ost->encoder_opts);
38313626 1985 if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
6291d7e4
AK
1986 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
1987 "It takes bits/s as argument, not kbits/s\n");
3892bdab
AK
1988
1989 ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
1990 if (ret < 0) {
1991 av_log(NULL, AV_LOG_FATAL,
1992 "Error initializing the output stream codec context.\n");
1993 exit_program(1);
1994 }
1995
1996 ost->st->time_base = ost->enc_ctx->time_base;
df0229a7 1997 } else {
c92965db
VG
1998 ret = av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
1999 if (ret < 0)
2000 return ret;
3892bdab 2001 ost->st->time_base = ost->st->codec->time_base;
38313626 2002 }
6291d7e4
AK
2003 }
2004
630902a1
AK
2005 /* init input streams */
2006 for (i = 0; i < nb_input_streams; i++)
ea9367e9 2007 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
630902a1 2008 goto dump_format;
6291d7e4 2009
2c474ddb
AK
2010 /* discard unused programs */
2011 for (i = 0; i < nb_input_files; i++) {
2e215267 2012 InputFile *ifile = input_files[i];
2c474ddb
AK
2013 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2014 AVProgram *p = ifile->ctx->programs[j];
2015 int discard = AVDISCARD_ALL;
2016
2017 for (k = 0; k < p->nb_stream_indexes; k++)
2e215267 2018 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2c474ddb
AK
2019 discard = AVDISCARD_DEFAULT;
2020 break;
2021 }
2022 p->discard = discard;
2023 }
2024 }
2025
6291d7e4 2026 /* open files and write file headers */
af70aa45 2027 for (i = 0; i < nb_output_files; i++) {
2e215267 2028 oc = output_files[i]->ctx;
1bb77e51 2029 oc->interrupt_callback = int_cb;
a1a6cdc2
MS
2030 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
2031 char errbuf[128];
1e340af8
LB
2032 av_strerror(ret, errbuf, sizeof(errbuf));
2033 snprintf(error, sizeof(error),
2034 "Could not write header for output file #%d "
2035 "(incorrect codec parameters ?): %s",
2036 i, errbuf);
6291d7e4
AK
2037 ret = AVERROR(EINVAL);
2038 goto dump_format;
2039 }
2e215267 2040 assert_avoptions(output_files[i]->opts);
1bb77e51 2041 if (strcmp(oc->oformat->name, "rtp")) {
6291d7e4
AK
2042 want_sdp = 0;
2043 }
2044 }
2045
2046 dump_format:
2047 /* dump the file output parameters - cannot be done before in case
2048 of stream copy */
03f30c83 2049 for (i = 0; i < nb_output_files; i++) {
2e215267 2050 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
6291d7e4
AK
2051 }
2052
2053 /* dump the stream mapping */
e3245b26 2054 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3b266da3
AK
2055 for (i = 0; i < nb_input_streams; i++) {
2056 ist = input_streams[i];
2057
2058 for (j = 0; j < ist->nb_filters; j++) {
3b266da3
AK
2059 if (ist->filters[j]->graph->graph_desc) {
2060 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2061 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
cf6c38c6 2062 ist->filters[j]->name);
3b266da3
AK
2063 if (nb_filtergraphs > 1)
2064 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2065 av_log(NULL, AV_LOG_INFO, "\n");
2066 }
2067 }
2068 }
2069
e3245b26 2070 for (i = 0; i < nb_output_streams; i++) {
2e215267 2071 ost = output_streams[i];
4dbc6cee
AK
2072
2073 if (ost->attachment_filename) {
2074 /* an attached file */
2075 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2076 ost->attachment_filename, ost->file_index, ost->index);
2077 continue;
2078 }
3b266da3
AK
2079
2080 if (ost->filter && ost->filter->graph->graph_desc) {
2081 /* output from a complex graph */
cf6c38c6 2082 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3b266da3
AK
2083 if (nb_filtergraphs > 1)
2084 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2085
2086 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2087 ost->index, ost->enc ? ost->enc->name : "?");
2088 continue;
2089 }
2090
9a414d89 2091 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2e215267
AK
2092 input_streams[ost->source_index]->file_index,
2093 input_streams[ost->source_index]->st->index,
e3245b26
AK
2094 ost->file_index,
2095 ost->index);
2e215267 2096 if (ost->sync_ist != input_streams[ost->source_index])
9a414d89 2097 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
e3245b26
AK
2098 ost->sync_ist->file_index,
2099 ost->sync_ist->st->index);
3d813e4c 2100 if (ost->stream_copy)
e3245b26 2101 av_log(NULL, AV_LOG_INFO, " (copy)");
39ec5e1c
LB
2102 else {
2103 const AVCodec *in_codec = input_streams[ost->source_index]->dec;
2104 const AVCodec *out_codec = ost->enc;
2105 const char *decoder_name = "?";
2106 const char *in_codec_name = "?";
2107 const char *encoder_name = "?";
2108 const char *out_codec_name = "?";
2109
2110 if (in_codec) {
2111 decoder_name = in_codec->name;
2112 in_codec_name = avcodec_descriptor_get(in_codec->id)->name;
2113 if (!strcmp(decoder_name, in_codec_name))
2114 decoder_name = "native";
2115 }
2116
2117 if (out_codec) {
2118 encoder_name = out_codec->name;
2119 out_codec_name = avcodec_descriptor_get(out_codec->id)->name;
71d6551e 2120 if (!strcmp(encoder_name, out_codec_name))
39ec5e1c
LB
2121 encoder_name = "native";
2122 }
2123
2124 av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
2125 in_codec_name, decoder_name,
2126 out_codec_name, encoder_name);
2127 }
e3245b26 2128 av_log(NULL, AV_LOG_INFO, "\n");
6291d7e4
AK
2129 }
2130
2131 if (ret) {
e3245b26 2132 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
eaf2d37a 2133 return ret;
6291d7e4
AK
2134 }
2135
2136 if (want_sdp) {
ea9367e9 2137 print_sdp();
6291d7e4
AK
2138 }
2139
eaf2d37a
AC
2140 return 0;
2141}
2142
c1ef30a6 2143/* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
2f51ec2b
AK
2144static int need_output(void)
2145{
2146 int i;
2147
2148 for (i = 0; i < nb_output_streams; i++) {
2149 OutputStream *ost = output_streams[i];
2150 OutputFile *of = output_files[ost->file_index];
2151 AVFormatContext *os = output_files[ost->file_index]->ctx;
2152
57d24225 2153 if (ost->finished ||
2f51ec2b
AK
2154 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2155 continue;
e58b75f7 2156 if (ost->frame_number >= ost->max_frames) {
2f51ec2b
AK
2157 int j;
2158 for (j = 0; j < of->ctx->nb_streams; j++)
57d24225 2159 output_streams[of->ost_index + j]->finished = 1;
2f51ec2b
AK
2160 continue;
2161 }
2162
2163 return 1;
2164 }
2165
2166 return 0;
2167}
2168
83916029 2169static InputFile *select_input_file(void)
a508e7a1 2170{
83916029 2171 InputFile *ifile = NULL;
a508e7a1 2172 int64_t ipts_min = INT64_MAX;
83916029 2173 int i;
a508e7a1
AK
2174
2175 for (i = 0; i < nb_input_streams; i++) {
2176 InputStream *ist = input_streams[i];
2177 int64_t ipts = ist->last_dts;
2178
0b26ef42 2179 if (ist->discard || input_files[ist->file_index]->eagain)
a508e7a1
AK
2180 continue;
2181 if (!input_files[ist->file_index]->eof_reached) {
2182 if (ipts < ipts_min) {
2183 ipts_min = ipts;
83916029 2184 ifile = input_files[ist->file_index];
a508e7a1
AK
2185 }
2186 }
2187 }
2188
83916029 2189 return ifile;
a508e7a1
AK
2190}
2191
47b812e9 2192#if HAVE_PTHREADS
5db5169e
AK
2193static void *input_thread(void *arg)
2194{
2195 InputFile *f = arg;
2196 int ret = 0;
2197
2198 while (!transcoding_finished && ret >= 0) {
2199 AVPacket pkt;
2200 ret = av_read_frame(f->ctx, &pkt);
2201
2202 if (ret == AVERROR(EAGAIN)) {
896bb0d7 2203 av_usleep(10000);
5db5169e
AK
2204 ret = 0;
2205 continue;
2206 } else if (ret < 0)
2207 break;
2208
2209 pthread_mutex_lock(&f->fifo_lock);
2210 while (!av_fifo_space(f->fifo))
2211 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
2212
2213 av_dup_packet(&pkt);
2214 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
2215
2216 pthread_mutex_unlock(&f->fifo_lock);
2217 }
2218
2219 f->finished = 1;
2220 return NULL;
2221}
2222
2223static void free_input_threads(void)
2224{
2225 int i;
2226
2227 if (nb_input_files == 1)
2228 return;
2229
2230 transcoding_finished = 1;
2231
2232 for (i = 0; i < nb_input_files; i++) {
2233 InputFile *f = input_files[i];
2234 AVPacket pkt;
2235
9034b0ed 2236 if (!f->fifo || f->joined)
5db5169e
AK
2237 continue;
2238
2239 pthread_mutex_lock(&f->fifo_lock);
2240 while (av_fifo_size(f->fifo)) {
2241 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2242 av_free_packet(&pkt);
2243 }
2244 pthread_cond_signal(&f->fifo_cond);
2245 pthread_mutex_unlock(&f->fifo_lock);
2246
2247 pthread_join(f->thread, NULL);
2248 f->joined = 1;
2249
2250 while (av_fifo_size(f->fifo)) {
2251 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2252 av_free_packet(&pkt);
2253 }
2254 av_fifo_free(f->fifo);
2255 }
2256}
2257
2258static int init_input_threads(void)
2259{
2260 int i, ret;
2261
2262 if (nb_input_files == 1)
2263 return 0;
2264
2265 for (i = 0; i < nb_input_files; i++) {
2266 InputFile *f = input_files[i];
2267
2268 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
2269 return AVERROR(ENOMEM);
2270
2271 pthread_mutex_init(&f->fifo_lock, NULL);
2272 pthread_cond_init (&f->fifo_cond, NULL);
2273
2274 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
2275 return AVERROR(ret);
2276 }
2277 return 0;
2278}
2279
2280static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
2281{
2282 int ret = 0;
2283
2284 pthread_mutex_lock(&f->fifo_lock);
2285
2286 if (av_fifo_size(f->fifo)) {
2287 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
2288 pthread_cond_signal(&f->fifo_cond);
2289 } else {
2290 if (f->finished)
2291 ret = AVERROR_EOF;
2292 else
2293 ret = AVERROR(EAGAIN);
2294 }
2295
2296 pthread_mutex_unlock(&f->fifo_lock);
2297
2298 return ret;
2299}
2300#endif
2301
2302static int get_input_packet(InputFile *f, AVPacket *pkt)
2303{
b4a5a292
AK
2304 if (f->rate_emu) {
2305 int i;
2306 for (i = 0; i < f->nb_streams; i++) {
2307 InputStream *ist = input_streams[f->ist_index + i];
2308 int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
d0c09302 2309 int64_t now = av_gettime_relative() - ist->start;
b4a5a292
AK
2310 if (pts > now)
2311 return AVERROR(EAGAIN);
2312 }
2313 }
2314
47b812e9 2315#if HAVE_PTHREADS
5db5169e
AK
2316 if (nb_input_files > 1)
2317 return get_input_packet_mt(f, pkt);
2318#endif
2319 return av_read_frame(f->ctx, pkt);
2320}
2321
0b26ef42
AK
2322static int got_eagain(void)
2323{
2324 int i;
2325 for (i = 0; i < nb_input_files; i++)
2326 if (input_files[i]->eagain)
2327 return 1;
2328 return 0;
2329}
2330
2331static void reset_eagain(void)
2332{
2333 int i;
2334 for (i = 0; i < nb_input_files; i++)
2335 input_files[i]->eagain = 0;
2336}
2337
c1ef30a6 2338/*
0c00fd80
AK
2339 * Read one packet from an input file and send it for
2340 * - decoding -> lavfi (audio/video)
2341 * - decoding -> encoding -> muxing (subtitles)
2342 * - muxing (streamcopy)
2343 *
c1ef30a6 2344 * Return
0c00fd80
AK
2345 * - 0 -- one packet was read and processed
2346 * - AVERROR(EAGAIN) -- no packets were available for selected file,
2347 * this function should be called again
2348 * - AVERROR_EOF -- this function should not be called again
2349 */
2350static int process_input(void)
2351{
2352 InputFile *ifile;
2353 AVFormatContext *is;
2354 InputStream *ist;
2355 AVPacket pkt;
2356 int ret, i, j;
2357
2358 /* select the stream that we must read now */
2359 ifile = select_input_file();
2360 /* if none, if is finished */
2361 if (!ifile) {
2362 if (got_eagain()) {
2363 reset_eagain();
2364 av_usleep(10000);
2365 return AVERROR(EAGAIN);
2366 }
2367 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from.\n");
2368 return AVERROR_EOF;
2369 }
2370
2371 is = ifile->ctx;
2372 ret = get_input_packet(ifile, &pkt);
2373
2374 if (ret == AVERROR(EAGAIN)) {
2375 ifile->eagain = 1;
2376 return ret;
2377 }
2378 if (ret < 0) {
2379 if (ret != AVERROR_EOF) {
2380 print_error(is->filename, ret);
2381 if (exit_on_error)
636ced8e 2382 exit_program(1);
0c00fd80
AK
2383 }
2384 ifile->eof_reached = 1;
2385
2386 for (i = 0; i < ifile->nb_streams; i++) {
2387 ist = input_streams[ifile->ist_index + i];
2388 if (ist->decoding_needed)
aa51b049 2389 process_input_packet(ist, NULL);
0c00fd80
AK
2390
2391 /* mark all outputs that don't go through lavfi as finished */
2392 for (j = 0; j < nb_output_streams; j++) {
2393 OutputStream *ost = output_streams[j];
2394
2395 if (ost->source_index == ifile->ist_index + i &&
2396 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
48e50921 2397 finish_output_stream(ost);
0c00fd80
AK
2398 }
2399 }
2400
3c0df905 2401 return AVERROR(EAGAIN);
0c00fd80
AK
2402 }
2403
2404 reset_eagain();
2405
2406 if (do_pkt_dump) {
2407 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2408 is->streams[pkt.stream_index]);
2409 }
2410 /* the following test is needed in case new streams appear
2411 dynamically in stream : we ignore them */
2412 if (pkt.stream_index >= ifile->nb_streams)
2413 goto discard_packet;
2414
2415 ist = input_streams[ifile->ist_index + pkt.stream_index];
47543450
AK
2416
2417 ist->data_size += pkt.size;
59444c76 2418 ist->nb_packets++;
47543450 2419
0c00fd80
AK
2420 if (ist->discard)
2421 goto discard_packet;
2422
59444c76
AK
2423 /* add the stream-global side data to the first packet */
2424 if (ist->nb_packets == 1)
2425 for (i = 0; i < ist->st->nb_side_data; i++) {
2426 AVPacketSideData *src_sd = &ist->st->side_data[i];
2427 uint8_t *dst_data;
2428
2429 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
2430 continue;
2431
2432 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
2433 if (!dst_data)
2434 exit_program(1);
2435
2436 memcpy(dst_data, src_sd->data, src_sd->size);
2437 }
2438
0c00fd80
AK
2439 if (pkt.dts != AV_NOPTS_VALUE)
2440 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2441 if (pkt.pts != AV_NOPTS_VALUE)
2442 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2443
2444 if (pkt.pts != AV_NOPTS_VALUE)
2445 pkt.pts *= ist->ts_scale;
2446 if (pkt.dts != AV_NOPTS_VALUE)
2447 pkt.dts *= ist->ts_scale;
2448
6cfbe1de
LB
2449 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
2450 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
2451 pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
0c00fd80
AK
2452 (is->iformat->flags & AVFMT_TS_DISCONT)) {
2453 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2454 int64_t delta = pkt_dts - ist->next_dts;
2455
2456 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
2457 ifile->ts_offset -= delta;
2458 av_log(NULL, AV_LOG_DEBUG,
2459 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2460 delta, ifile->ts_offset);
2461 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2462 if (pkt.pts != AV_NOPTS_VALUE)
2463 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2464 }
2465 }
2466
aa51b049 2467 ret = process_input_packet(ist, &pkt);
0c00fd80
AK
2468 if (ret < 0) {
2469 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
2470 ist->file_index, ist->st->index);
2471 if (exit_on_error)
636ced8e 2472 exit_program(1);
0c00fd80
AK
2473 }
2474
2475discard_packet:
2476 av_free_packet(&pkt);
2477
2478 return 0;
2479}
2480
eaf2d37a
AC
2481/*
2482 * The following code is the main loop of the file converter
2483 */
ea9367e9 2484static int transcode(void)
eaf2d37a 2485{
0c00fd80
AK
2486 int ret, i, need_input = 1;
2487 AVFormatContext *os;
eaf2d37a
AC
2488 OutputStream *ost;
2489 InputStream *ist;
eaf2d37a
AC
2490 int64_t timer_start;
2491
ea9367e9 2492 ret = transcode_init();
eaf2d37a
AC
2493 if (ret < 0)
2494 goto fail;
2495
e3245b26 2496 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
6291d7e4
AK
2497 term_init();
2498
d0c09302 2499 timer_start = av_gettime_relative();
6291d7e4 2500
47b812e9 2501#if HAVE_PTHREADS
5db5169e
AK
2502 if ((ret = init_input_threads()) < 0)
2503 goto fail;
2504#endif
2505
c0fbf971 2506 while (!received_sigterm) {
3b266da3 2507 /* check if there's any stream where output is still needed */
2f51ec2b
AK
2508 if (!need_output()) {
2509 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3b266da3 2510 break;
2f51ec2b 2511 }
3b266da3 2512
0c00fd80
AK
2513 /* read and process one input packet if needed */
2514 if (need_input) {
2515 ret = process_input();
2516 if (ret == AVERROR_EOF)
2517 need_input = 0;
6291d7e4
AK
2518 }
2519
0c00fd80 2520 ret = poll_filters();
6291d7e4 2521 if (ret < 0) {
22a6d48b 2522 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN)) {
6291d7e4 2523 continue;
22a6d48b
LB
2524 } else {
2525 char errbuf[128];
2526 av_strerror(ret, errbuf, sizeof(errbuf));
6291d7e4 2527
22a6d48b
LB
2528 av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
2529 break;
2530 }
6291d7e4
AK
2531 }
2532
6291d7e4 2533 /* dump report by using the output first video and audio streams */
ea9367e9 2534 print_report(0, timer_start);
6291d7e4 2535 }
47b812e9 2536#if HAVE_PTHREADS
5db5169e
AK
2537 free_input_threads();
2538#endif
6291d7e4
AK
2539
2540 /* at the end of stream, we must flush the decoder buffers */
2541 for (i = 0; i < nb_input_streams; i++) {
2e215267 2542 ist = input_streams[i];
9e8aae44 2543 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
aa51b049 2544 process_input_packet(ist, NULL);
6291d7e4
AK
2545 }
2546 }
560f7774 2547 poll_filters();
ea9367e9 2548 flush_encoders();
6291d7e4
AK
2549
2550 term_exit();
2551
2552 /* write the trailer if needed and close file */
7636c8c6 2553 for (i = 0; i < nb_output_files; i++) {
2e215267 2554 os = output_files[i]->ctx;
6291d7e4
AK
2555 av_write_trailer(os);
2556 }
2557
2558 /* dump report by using the first video and audio streams */
ea9367e9 2559 print_report(1, timer_start);
6291d7e4
AK
2560
2561 /* close each encoder */
4288e031 2562 for (i = 0; i < nb_output_streams; i++) {
2e215267 2563 ost = output_streams[i];
6291d7e4 2564 if (ost->encoding_needed) {
38313626 2565 av_freep(&ost->enc_ctx->stats_in);
6291d7e4 2566 }
6291d7e4
AK
2567 }
2568
2569 /* close each decoder */
2570 for (i = 0; i < nb_input_streams; i++) {
2e215267 2571 ist = input_streams[i];
6291d7e4 2572 if (ist->decoding_needed) {
41776ba9 2573 avcodec_close(ist->dec_ctx);
07fd0a22 2574 if (ist->hwaccel_uninit)
41776ba9 2575 ist->hwaccel_uninit(ist->dec_ctx);
6291d7e4
AK
2576 }
2577 }
2578
2579 /* finished ! */
2580 ret = 0;
2581
2582 fail:
47b812e9 2583#if HAVE_PTHREADS
5db5169e
AK
2584 free_input_threads();
2585#endif
6291d7e4 2586
4288e031
AK
2587 if (output_streams) {
2588 for (i = 0; i < nb_output_streams; i++) {
2e215267 2589 ost = output_streams[i];
6291d7e4 2590 if (ost) {
6291d7e4
AK
2591 if (ost->logfile) {
2592 fclose(ost->logfile);
2593 ost->logfile = NULL;
2594 }
6291d7e4 2595 av_free(ost->forced_kf_pts);
9580818c 2596 av_dict_free(&ost->encoder_opts);
5c7db097 2597 av_dict_free(&ost->resample_opts);
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2598 }
2599 }
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2600 }
2601 return ret;
2602}
2603
f5e66827 2604static int64_t getutime(void)
a2c0b830 2605{
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2606#if HAVE_GETRUSAGE
2607 struct rusage rusage;
a2c0b830 2608
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2609 getrusage(RUSAGE_SELF, &rusage);
2610 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2611#elif HAVE_GETPROCESSTIMES
2612 HANDLE proc;
2613 FILETIME c, e, k, u;
2614 proc = GetCurrentProcess();
2615 GetProcessTimes(proc, &c, &e, &k, &u);
2616 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
2617#else
d0c09302 2618 return av_gettime_relative();
f5e66827 2619#endif
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2620}
2621
f5e66827 2622static int64_t getmaxrss(void)
6291d7e4 2623{
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2624#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
2625 struct rusage rusage;
2626 getrusage(RUSAGE_SELF, &rusage);
2627 return (int64_t)rusage.ru_maxrss * 1024;
2628#elif HAVE_GETPROCESSMEMORYINFO
2629 HANDLE proc;
2630 PROCESS_MEMORY_COUNTERS memcounters;
2631 proc = GetCurrentProcess();
2632 memcounters.cb = sizeof(memcounters);
2633 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
2634 return memcounters.PeakPagefileUsage;
2635#else
6291d7e4 2636 return 0;
f5e66827 2637#endif
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2638}
2639
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2640int main(int argc, char **argv)
2641{
77bd1bc7 2642 int ret;
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2643 int64_t ti;
2644
636ced8e 2645 register_exit(avconv_cleanup);
5e3f9979 2646
6291d7e4 2647 av_log_set_flags(AV_LOG_SKIP_REPEATED);
182cbe43 2648 parse_loglevel(argc, argv, options);
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2649
2650 avcodec_register_all();
2651#if CONFIG_AVDEVICE
2652 avdevice_register_all();
2653#endif
6291d7e4 2654 avfilter_register_all();
6291d7e4 2655 av_register_all();
776f2bb9 2656 avformat_network_init();
6291d7e4 2657
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2658 show_banner();
2659
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2660 /* parse options and open all input/output files */
2661 ret = avconv_parse_options(argc, argv);
2662 if (ret < 0)
636ced8e 2663 exit_program(1);
6291d7e4 2664
7636c8c6 2665 if (nb_output_files <= 0 && nb_input_files == 0) {
6291d7e4 2666 show_usage();
e3245b26 2667 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
636ced8e 2668 exit_program(1);
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2669 }
2670
2671 /* file converter / grab */
2672 if (nb_output_files <= 0) {
2673 fprintf(stderr, "At least one output file must be specified\n");
636ced8e 2674 exit_program(1);
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2675 }
2676
6291d7e4 2677 ti = getutime();
ea9367e9 2678 if (transcode() < 0)
636ced8e 2679 exit_program(1);
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2680 ti = getutime() - ti;
2681 if (do_benchmark) {
2682 int maxrss = getmaxrss() / 1024;
2683 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
2684 }
2685
636ced8e 2686 exit_program(0);
dad09ff9 2687 return 0;
6291d7e4 2688}