Add a quality factor packet side data
[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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96InputStream **input_streams = NULL;
97int nb_input_streams = 0;
98InputFile **input_files = NULL;
99int nb_input_files = 0;
6b779ccc 100
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101OutputStream **output_streams = NULL;
102int nb_output_streams = 0;
103OutputFile **output_files = NULL;
104int nb_output_files = 0;
6b779ccc 105
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106FilterGraph **filtergraphs;
107int nb_filtergraphs;
575ec4e1 108
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109static void term_exit(void)
110{
111 av_log(NULL, AV_LOG_QUIET, "");
112}
113
114static volatile int received_sigterm = 0;
115static volatile int received_nb_signals = 0;
116
117static void
118sigterm_handler(int sig)
119{
120 received_sigterm = sig;
121 received_nb_signals++;
122 term_exit();
123}
124
125static void term_init(void)
126{
7636c8c6 127 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
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128 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
129#ifdef SIGXCPU
130 signal(SIGXCPU, sigterm_handler);
131#endif
132}
133
2abe947a 134static int decode_interrupt_cb(void *ctx)
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135{
136 return received_nb_signals > 1;
137}
138
f5e66827 139const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
2abe947a 140
636ced8e 141static void avconv_cleanup(int ret)
6291d7e4 142{
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143 int i, j;
144
145 for (i = 0; i < nb_filtergraphs; i++) {
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146 FilterGraph *fg = filtergraphs[i];
147 avfilter_graph_free(&fg->graph);
148 for (j = 0; j < fg->nb_inputs; j++) {
149 av_freep(&fg->inputs[j]->name);
150 av_freep(&fg->inputs[j]);
cf6c38c6 151 }
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152 av_freep(&fg->inputs);
153 for (j = 0; j < fg->nb_outputs; j++) {
154 av_freep(&fg->outputs[j]->name);
155 av_freep(&fg->outputs[j]);
cf6c38c6 156 }
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157 av_freep(&fg->outputs);
158 av_freep(&fg->graph_desc);
159
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160 av_freep(&filtergraphs[i]);
161 }
162 av_freep(&filtergraphs);
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163
164 /* close files */
7636c8c6 165 for (i = 0; i < nb_output_files; i++) {
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166 OutputFile *of = output_files[i];
167 AVFormatContext *s = of->ctx;
274e134e 168 if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE) && s->pb)
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169 avio_close(s->pb);
170 avformat_free_context(s);
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171 av_dict_free(&of->opts);
172
2e215267 173 av_freep(&output_files[i]);
6291d7e4 174 }
1135a071 175 for (i = 0; i < nb_output_streams; i++) {
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176 OutputStream *ost = output_streams[i];
177 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
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178 while (bsfc) {
179 AVBitStreamFilterContext *next = bsfc->next;
180 av_bitstream_filter_close(bsfc);
181 bsfc = next;
182 }
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183 ost->bitstream_filters = NULL;
184 av_frame_free(&ost->filtered_frame);
185
186 av_parser_close(ost->parser);
ac646076 187
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188 av_freep(&ost->forced_keyframes);
189 av_freep(&ost->avfilter);
190 av_freep(&ost->logfile_prefix);
c872d310 191
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192 avcodec_free_context(&ost->enc_ctx);
193
2e215267 194 av_freep(&output_streams[i]);
1135a071 195 }
7636c8c6 196 for (i = 0; i < nb_input_files; i++) {
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197 avformat_close_input(&input_files[i]->ctx);
198 av_freep(&input_files[i]);
6291d7e4 199 }
9179f27c 200 for (i = 0; i < nb_input_streams; i++) {
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201 InputStream *ist = input_streams[i];
202
203 av_frame_free(&ist->decoded_frame);
204 av_frame_free(&ist->filter_frame);
f3a6ad22 205 av_dict_free(&ist->decoder_opts);
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206 av_freep(&ist->filters);
207 av_freep(&ist->hwaccel_device);
208
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209 avcodec_free_context(&ist->dec_ctx);
210
2e215267 211 av_freep(&input_streams[i]);
9179f27c 212 }
6291d7e4 213
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214 if (vstats_file)
215 fclose(vstats_file);
216 av_free(vstats_filename);
217
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218 av_freep(&input_streams);
219 av_freep(&input_files);
4288e031 220 av_freep(&output_streams);
af70aa45 221 av_freep(&output_files);
6291d7e4 222
6291d7e4 223 uninit_opts();
6291d7e4 224
776f2bb9 225 avformat_network_deinit();
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226
227 if (received_sigterm) {
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228 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
229 (int) received_sigterm);
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230 exit (255);
231 }
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232}
233
f5e66827 234void assert_avoptions(AVDictionary *m)
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235{
236 AVDictionaryEntry *t;
237 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
f24facd3 238 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
636ced8e 239 exit_program(1);
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240 }
241}
242
c854102d 243static void abort_codec_experimental(AVCodec *c, int encoder)
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244{
245 const char *codec_string = encoder ? "encoder" : "decoder";
246 AVCodec *codec;
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247 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
248 "results.\nAdd '-strict experimental' if you want to use it.\n",
249 codec_string, c->name);
250 codec = encoder ? avcodec_find_encoder(c->id) : avcodec_find_decoder(c->id);
251 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
252 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
253 codec_string, codec->name);
636ced8e 254 exit_program(1);
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255}
256
f15f02c2 257static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
7636c8c6 258{
f15f02c2 259 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
3892bdab 260 AVCodecContext *avctx = ost->encoding_needed ? ost->enc_ctx : ost->st->codec;
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261 int ret;
262
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263 /*
264 * Audio encoders may split the packets -- #frames in != #packets out.
265 * But there is no reordering, so we can limit the number of output packets
266 * by simply dropping them here.
267 * Counting encoded video frames needs to be done separately because of
268 * reordering, see do_video_out()
269 */
270 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
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271 if (ost->frame_number >= ost->max_frames) {
272 av_free_packet(pkt);
99932847 273 return;
c9594fe0 274 }
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275 ost->frame_number++;
276 }
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277 if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
278 uint8_t *sd = av_packet_get_side_data(pkt, AV_PKT_DATA_QUALITY_FACTOR,
279 NULL);
280 ost->quality = sd ? *(int *)sd : -1;
281 }
99932847 282
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283 while (bsfc) {
284 AVPacket new_pkt = *pkt;
285 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
286 &new_pkt.data, &new_pkt.size,
287 pkt->data, pkt->size,
288 pkt->flags & AV_PKT_FLAG_KEY);
289 if (a > 0) {
6291d7e4 290 av_free_packet(pkt);
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291 new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
292 av_buffer_default_free, NULL, 0);
293 if (!new_pkt.buf)
636ced8e 294 exit_program(1);
7636c8c6 295 } else if (a < 0) {
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296 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
297 bsfc->filter->name, pkt->stream_index,
298 avctx->codec ? avctx->codec->name : "copy");
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299 print_error("", a);
300 if (exit_on_error)
636ced8e 301 exit_program(1);
6291d7e4 302 }
7636c8c6 303 *pkt = new_pkt;
6291d7e4 304
7636c8c6 305 bsfc = bsfc->next;
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306 }
307
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308 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS) &&
309 ost->last_mux_dts != AV_NOPTS_VALUE &&
310 pkt->dts < ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT)) {
311 av_log(NULL, AV_LOG_WARNING, "Non-monotonous DTS in output stream "
312 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
313 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
314 if (exit_on_error) {
315 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
636ced8e 316 exit_program(1);
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317 }
318 av_log(NULL, AV_LOG_WARNING, "changing to %"PRId64". This may result "
319 "in incorrect timestamps in the output file.\n",
320 ost->last_mux_dts + 1);
321 pkt->dts = ost->last_mux_dts + 1;
322 if (pkt->pts != AV_NOPTS_VALUE)
323 pkt->pts = FFMAX(pkt->pts, pkt->dts);
324 }
325 ost->last_mux_dts = pkt->dts;
326
baeb59d8 327 ost->data_size += pkt->size;
47543450 328 ost->packets_written++;
baeb59d8 329
61a09968 330 pkt->stream_index = ost->index;
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331 ret = av_interleaved_write_frame(s, pkt);
332 if (ret < 0) {
6291d7e4 333 print_error("av_interleaved_write_frame()", ret);
636ced8e 334 exit_program(1);
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335 }
336}
337
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338static int check_recording_time(OutputStream *ost)
339{
2e215267 340 OutputFile *of = output_files[ost->file_index];
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341
342 if (of->recording_time != INT64_MAX &&
38313626 343 av_compare_ts(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, of->recording_time,
1270e12e 344 AV_TIME_BASE_Q) >= 0) {
57d24225 345 ost->finished = 1;
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346 return 0;
347 }
348 return 1;
349}
350
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351static void do_audio_out(AVFormatContext *s, OutputStream *ost,
352 AVFrame *frame)
ee458cb1 353{
38313626 354 AVCodecContext *enc = ost->enc_ctx;
ee458cb1 355 AVPacket pkt;
369cb092 356 int got_packet = 0;
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JR
357
358 av_init_packet(&pkt);
359 pkt.data = NULL;
360 pkt.size = 0;
361
369cb092 362 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
9b9fc9ba 363 frame->pts = ost->sync_opts;
369cb092 364 ost->sync_opts = frame->pts + frame->nb_samples;
ee458cb1 365
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366 ost->samples_encoded += frame->nb_samples;
367 ost->frames_encoded++;
368
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369 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
370 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
636ced8e 371 exit_program(1);
ee458cb1
JR
372 }
373
374 if (got_packet) {
452860d7 375 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
ee458cb1 376 write_frame(s, &pkt, ost);
ee458cb1 377 }
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378}
379
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380static void do_subtitle_out(AVFormatContext *s,
381 OutputStream *ost,
382 InputStream *ist,
383 AVSubtitle *sub,
384 int64_t pts)
385{
386 static uint8_t *subtitle_out = NULL;
387 int subtitle_out_max_size = 1024 * 1024;
388 int subtitle_out_size, nb, i;
389 AVCodecContext *enc;
390 AVPacket pkt;
391
392 if (pts == AV_NOPTS_VALUE) {
e3245b26 393 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
6291d7e4 394 if (exit_on_error)
636ced8e 395 exit_program(1);
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396 return;
397 }
398
38313626 399 enc = ost->enc_ctx;
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400
401 if (!subtitle_out) {
402 subtitle_out = av_malloc(subtitle_out_max_size);
403 }
404
405 /* Note: DVB subtitle need one packet to draw them and one other
406 packet to clear them */
407 /* XXX: signal it in the codec context ? */
36ef5369 408 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
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409 nb = 2;
410 else
411 nb = 1;
412
7636c8c6 413 for (i = 0; i < nb; i++) {
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414 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
415 if (!check_recording_time(ost))
416 return;
417
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418 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
419 // start_display_time is required to be 0
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420 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
421 sub->end_display_time -= sub->start_display_time;
6291d7e4 422 sub->start_display_time = 0;
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423
424 ost->frames_encoded++;
425
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426 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
427 subtitle_out_max_size, sub);
428 if (subtitle_out_size < 0) {
e3245b26 429 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
636ced8e 430 exit_program(1);
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431 }
432
433 av_init_packet(&pkt);
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434 pkt.data = subtitle_out;
435 pkt.size = subtitle_out_size;
7636c8c6 436 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
36ef5369 437 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
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438 /* XXX: the pts correction is handled here. Maybe handling
439 it in the codec would be better */
440 if (i == 0)
441 pkt.pts += 90 * sub->start_display_time;
442 else
443 pkt.pts += 90 * sub->end_display_time;
444 }
f15f02c2 445 write_frame(s, &pkt, ost);
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446 }
447}
448
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449static void do_video_out(AVFormatContext *s,
450 OutputStream *ost,
87ef060c 451 AVFrame *in_picture,
fb722a90 452 int *frame_size)
87ef060c 453{
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454 int ret, format_video_sync;
455 AVPacket pkt;
38313626 456 AVCodecContext *enc = ost->enc_ctx;
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457
458 *frame_size = 0;
459
553735f5 460 format_video_sync = video_sync_method;
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461 if (format_video_sync == VSYNC_AUTO)
462 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
463 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
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464 if (format_video_sync != VSYNC_PASSTHROUGH &&
465 ost->frame_number &&
466 in_picture->pts != AV_NOPTS_VALUE &&
467 in_picture->pts < ost->sync_opts) {
d43040e2 468 nb_frames_drop++;
aa499568
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469 av_log(NULL, AV_LOG_WARNING,
470 "*** dropping frame %d from stream %d at ts %"PRId64"\n",
471 ost->frame_number, ost->st->index, in_picture->pts);
87ef060c 472 return;
d43040e2 473 }
87ef060c 474
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475 if (in_picture->pts == AV_NOPTS_VALUE)
476 in_picture->pts = ost->sync_opts;
477 ost->sync_opts = in_picture->pts;
478
479
1270e12e 480 if (!ost->frame_number)
74b961db 481 ost->first_pts = in_picture->pts;
1270e12e 482
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483 av_init_packet(&pkt);
484 pkt.data = NULL;
485 pkt.size = 0;
6291d7e4 486
a83c0da5 487 if (ost->frame_number >= ost->max_frames)
39885a4b 488 return;
1270e12e 489
39885a4b 490 if (s->oformat->flags & AVFMT_RAWPICTURE &&
36ef5369 491 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
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492 /* raw pictures are written as AVPicture structure to
493 avoid any copies. We support temporarily the older
494 method. */
495 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
496 enc->coded_frame->top_field_first = in_picture->top_field_first;
497 pkt.data = (uint8_t *)in_picture;
498 pkt.size = sizeof(AVPicture);
499 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
500 pkt.flags |= AV_PKT_FLAG_KEY;
6291d7e4 501
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502 write_frame(s, &pkt, ost);
503 } else {
504 int got_packet;
6291d7e4 505
38313626 506 if (enc->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
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507 ost->top_field_first >= 0)
508 in_picture->top_field_first = !!ost->top_field_first;
509
38313626 510 in_picture->quality = enc->global_quality;
59b55c49 511 in_picture->pict_type = 0;
39885a4b 512 if (ost->forced_kf_index < ost->forced_kf_count &&
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513 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
514 in_picture->pict_type = AV_PICTURE_TYPE_I;
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515 ost->forced_kf_index++;
516 }
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517
518 ost->frames_encoded++;
519
9b2dc295 520 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
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521 if (ret < 0) {
522 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
636ced8e 523 exit_program(1);
39885a4b 524 }
6291d7e4 525
39885a4b 526 if (got_packet) {
452860d7 527 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
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528 write_frame(s, &pkt, ost);
529 *frame_size = pkt.size;
324fbadf 530
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531 /* if two pass, output log */
532 if (ost->logfile && enc->stats_out) {
533 fprintf(ost->logfile, "%s", enc->stats_out);
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534 }
535 }
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536 }
537 ost->sync_opts++;
538 /*
539 * For video, number of frames in == number of packets out.
540 * But there may be reordering, so we can't throw away frames on encoder
541 * flush, we need to limit them here, before they go into encoder.
542 */
543 ost->frame_number++;
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544}
545
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546static double psnr(double d)
547{
548 return -10.0 * log(d) / log(10.0);
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549}
550
70478746 551static void do_video_stats(OutputStream *ost, int frame_size)
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552{
553 AVCodecContext *enc;
554 int frame_number;
555 double ti1, bitrate, avg_bitrate;
556
557 /* this is executed just the first time do_video_stats is called */
558 if (!vstats_file) {
559 vstats_file = fopen(vstats_filename, "w");
560 if (!vstats_file) {
561 perror("fopen");
636ced8e 562 exit_program(1);
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563 }
564 }
565
38313626 566 enc = ost->enc_ctx;
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567 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
568 frame_number = ost->frame_number;
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569 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number,
570 ost->quality / (float)FF_QP2LAMBDA);
6291d7e4 571 if (enc->flags&CODEC_FLAG_PSNR)
7636c8c6 572 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
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573
574 fprintf(vstats_file,"f_size= %6d ", frame_size);
575 /* compute pts value */
576 ti1 = ost->sync_opts * av_q2d(enc->time_base);
577 if (ti1 < 0.01)
578 ti1 = 0.01;
579
7636c8c6 580 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
baeb59d8 581 avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
6291d7e4 582 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
baeb59d8 583 (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
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584 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
585 }
586}
587
c1ef30a6 588/*
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589 * Read one frame for lavfi output for ost and encode it.
590 */
591static int poll_filter(OutputStream *ost)
560f7774 592{
a4f50110 593 OutputFile *of = output_files[ost->file_index];
560f7774 594 AVFrame *filtered_frame = NULL;
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595 int frame_size, ret;
596
5b9c3b45 597 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
a4f50110 598 return AVERROR(ENOMEM);
674fa491 599 }
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600 filtered_frame = ost->filtered_frame;
601
602 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
603 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
9b2dc295 604 ret = av_buffersink_get_samples(ost->filter->filter, filtered_frame,
38313626 605 ost->enc_ctx->frame_size);
a4f50110 606 else
9b2dc295 607 ret = av_buffersink_get_frame(ost->filter->filter, filtered_frame);
369cb092 608
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609 if (ret < 0)
610 return ret;
560f7774 611
9b2dc295 612 if (filtered_frame->pts != AV_NOPTS_VALUE) {
56ee3f9d 613 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
9b2dc295 614 filtered_frame->pts = av_rescale_q(filtered_frame->pts,
a4f50110 615 ost->filter->filter->inputs[0]->time_base,
38313626 616 ost->enc_ctx->time_base) -
56ee3f9d 617 av_rescale_q(start_time,
a4f50110 618 AV_TIME_BASE_Q,
38313626 619 ost->enc_ctx->time_base);
560f7774 620 }
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621
622 switch (ost->filter->filter->inputs[0]->type) {
623 case AVMEDIA_TYPE_VIDEO:
624 if (!ost->frame_aspect_ratio)
38313626 625 ost->enc_ctx->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
a4f50110 626
fb722a90 627 do_video_out(of->ctx, ost, filtered_frame, &frame_size);
a4f50110 628 if (vstats_filename && frame_size)
70478746 629 do_video_stats(ost, frame_size);
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630 break;
631 case AVMEDIA_TYPE_AUDIO:
632 do_audio_out(of->ctx, ost, filtered_frame);
633 break;
634 default:
635 // TODO support subtitle filters
636 av_assert0(0);
637 }
638
9b2dc295 639 av_frame_unref(filtered_frame);
a4f50110 640
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641 return 0;
642}
643
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644static void finish_output_stream(OutputStream *ost)
645{
646 OutputFile *of = output_files[ost->file_index];
647 int i;
648
649 ost->finished = 1;
650
651 if (of->shortest) {
652 for (i = 0; i < of->ctx->nb_streams; i++)
653 output_streams[of->ost_index + i]->finished = 1;
654 }
655}
656
c1ef30a6 657/*
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658 * Read as many frames from possible from lavfi and encode them.
659 *
660 * Always read from the active stream with the lowest timestamp. If no frames
661 * are available for it then return EAGAIN and wait for more input. This way we
662 * can use lavfi sources that generate unlimited amount of frames without memory
663 * usage exploding.
664 */
665static int poll_filters(void)
666{
48e50921 667 int i, ret = 0;
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668
669 while (ret >= 0 && !received_sigterm) {
670 OutputStream *ost = NULL;
671 int64_t min_pts = INT64_MAX;
672
673 /* choose output stream with the lowest timestamp */
674 for (i = 0; i < nb_output_streams; i++) {
675 int64_t pts = output_streams[i]->sync_opts;
676
57d24225 677 if (!output_streams[i]->filter || output_streams[i]->finished)
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678 continue;
679
38313626 680 pts = av_rescale_q(pts, output_streams[i]->enc_ctx->time_base,
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681 AV_TIME_BASE_Q);
682 if (pts < min_pts) {
683 min_pts = pts;
684 ost = output_streams[i];
685 }
686 }
687
688 if (!ost)
689 break;
690
691 ret = poll_filter(ost);
692
693 if (ret == AVERROR_EOF) {
48e50921 694 finish_output_stream(ost);
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695 ret = 0;
696 } else if (ret == AVERROR(EAGAIN))
697 return 0;
698 }
699
700 return ret;
701}
702
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703static void print_final_stats(int64_t total_size)
704{
705 uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
706 uint64_t data_size = 0;
707 float percent = -1.0;
47543450 708 int i, j;
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709
710 for (i = 0; i < nb_output_streams; i++) {
711 OutputStream *ost = output_streams[i];
38313626 712 switch (ost->enc_ctx->codec_type) {
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713 case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
714 case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
715 default: other_size += ost->data_size; break;
716 }
38313626 717 extra_size += ost->enc_ctx->extradata_size;
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718 data_size += ost->data_size;
719 }
720
721 if (data_size && total_size >= data_size)
722 percent = 100.0 * (total_size - data_size) / data_size;
723
724 av_log(NULL, AV_LOG_INFO, "\n");
725 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB other streams:%1.0fkB global headers:%1.0fkB muxing overhead: ",
726 video_size / 1024.0,
727 audio_size / 1024.0,
728 other_size / 1024.0,
729 extra_size / 1024.0);
730 if (percent >= 0.0)
731 av_log(NULL, AV_LOG_INFO, "%f%%", percent);
732 else
733 av_log(NULL, AV_LOG_INFO, "unknown");
734 av_log(NULL, AV_LOG_INFO, "\n");
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735
736 /* print verbose per-stream stats */
737 for (i = 0; i < nb_input_files; i++) {
738 InputFile *f = input_files[i];
739 uint64_t total_packets = 0, total_size = 0;
740
741 av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
742 i, f->ctx->filename);
743
744 for (j = 0; j < f->nb_streams; j++) {
745 InputStream *ist = input_streams[f->ist_index + j];
41776ba9 746 enum AVMediaType type = ist->dec_ctx->codec_type;
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747
748 total_size += ist->data_size;
749 total_packets += ist->nb_packets;
750
751 av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
752 i, j, media_type_string(type));
753 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
754 ist->nb_packets, ist->data_size);
755
756 if (ist->decoding_needed) {
757 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
758 ist->frames_decoded);
759 if (type == AVMEDIA_TYPE_AUDIO)
760 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
761 av_log(NULL, AV_LOG_VERBOSE, "; ");
762 }
763
764 av_log(NULL, AV_LOG_VERBOSE, "\n");
765 }
766
767 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
768 total_packets, total_size);
769 }
770
771 for (i = 0; i < nb_output_files; i++) {
772 OutputFile *of = output_files[i];
773 uint64_t total_packets = 0, total_size = 0;
774
775 av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
776 i, of->ctx->filename);
777
778 for (j = 0; j < of->ctx->nb_streams; j++) {
779 OutputStream *ost = output_streams[of->ost_index + j];
38313626 780 enum AVMediaType type = ost->enc_ctx->codec_type;
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781
782 total_size += ost->data_size;
783 total_packets += ost->packets_written;
784
785 av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
786 i, j, media_type_string(type));
787 if (ost->encoding_needed) {
788 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
789 ost->frames_encoded);
790 if (type == AVMEDIA_TYPE_AUDIO)
791 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
792 av_log(NULL, AV_LOG_VERBOSE, "; ");
793 }
794
795 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
796 ost->packets_written, ost->data_size);
797
798 av_log(NULL, AV_LOG_VERBOSE, "\n");
799 }
800
801 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
802 total_packets, total_size);
803 }
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804}
805
ea9367e9 806static void print_report(int is_last_report, int64_t timer_start)
6291d7e4
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807{
808 char buf[1024];
809 OutputStream *ost;
810 AVFormatContext *oc;
811 int64_t total_size;
812 AVCodecContext *enc;
813 int frame_number, vid, i;
814 double bitrate, ti1, pts;
815 static int64_t last_time = -1;
816 static int qp_histogram[52];
817
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818 if (!print_stats && !is_last_report)
819 return;
820
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821 if (!is_last_report) {
822 int64_t cur_time;
823 /* display the report every 0.5 seconds */
d0c09302 824 cur_time = av_gettime_relative();
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825 if (last_time == -1) {
826 last_time = cur_time;
827 return;
828 }
829 if ((cur_time - last_time) < 500000)
830 return;
831 last_time = cur_time;
832 }
833
834
2e215267 835 oc = output_files[0]->ctx;
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836
837 total_size = avio_size(oc->pb);
1b891d17 838 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
7636c8c6 839 total_size = avio_tell(oc->pb);
1b891d17
JG
840 if (total_size < 0) {
841 char errbuf[128];
842 av_strerror(total_size, errbuf, sizeof(errbuf));
843 av_log(NULL, AV_LOG_VERBOSE, "Bitrate not available, "
844 "avio_tell() failed: %s\n", errbuf);
845 total_size = 0;
846 }
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847
848 buf[0] = '\0';
849 ti1 = 1e10;
850 vid = 0;
ea9367e9 851 for (i = 0; i < nb_output_streams; i++) {
6291d7e4 852 float q = -1;
2e215267 853 ost = output_streams[i];
38313626 854 enc = ost->enc_ctx;
5d3addb9
VG
855 if (!ost->stream_copy)
856 q = ost->quality / (float) FF_QP2LAMBDA;
857
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858 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
859 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
860 }
861 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
d0c09302 862 float t = (av_gettime_relative() - timer_start) / 1000000.0;
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863
864 frame_number = ost->frame_number;
865 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
7636c8c6
AD
866 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
867 if (is_last_report)
6291d7e4 868 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
7636c8c6 869 if (qp_hist) {
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870 int j;
871 int qp = lrintf(q);
7636c8c6 872 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
6291d7e4 873 qp_histogram[qp]++;
7636c8c6 874 for (j = 0; j < 32; j++)
d752509b 875 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
6291d7e4 876 }
7636c8c6 877 if (enc->flags&CODEC_FLAG_PSNR) {
6291d7e4 878 int j;
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AD
879 double error, error_sum = 0;
880 double scale, scale_sum = 0;
881 char type[3] = { 'Y','U','V' };
6291d7e4 882 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
7636c8c6
AD
883 for (j = 0; j < 3; j++) {
884 if (is_last_report) {
885 error = enc->error[j];
886 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
887 } else {
888 error = enc->coded_frame->error[j];
889 scale = enc->width * enc->height * 255.0 * 255.0;
6291d7e4 890 }
7636c8c6
AD
891 if (j)
892 scale /= 4;
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893 error_sum += error;
894 scale_sum += scale;
7636c8c6 895 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
6291d7e4 896 }
7636c8c6 897 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
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898 }
899 vid = 1;
900 }
901 /* compute min output value */
dc40d886 902 pts = (double)ost->last_mux_dts * av_q2d(ost->st->time_base);
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903 if ((pts < ti1) && (pts > 0))
904 ti1 = pts;
905 }
906 if (ti1 < 0.01)
907 ti1 = 0.01;
908
e3245b26 909 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
6291d7e4 910
e3245b26 911 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
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912 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
913 (double)total_size / 1024, ti1, bitrate);
914
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915 if (nb_frames_drop)
916 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " drop=%d",
917 nb_frames_drop);
6291d7e4 918
f5646a32 919 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
6291d7e4 920
e3245b26 921 fflush(stderr);
6291d7e4 922
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923 if (is_last_report)
924 print_final_stats(total_size);
baeb59d8 925
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926}
927
ea9367e9 928static void flush_encoders(void)
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929{
930 int i, ret;
931
ea9367e9 932 for (i = 0; i < nb_output_streams; i++) {
2e215267 933 OutputStream *ost = output_streams[i];
38313626 934 AVCodecContext *enc = ost->enc_ctx;
2e215267 935 AVFormatContext *os = output_files[ost->file_index]->ctx;
ee458cb1 936 int stop_encoding = 0;
6f1c66d5 937
b62b5cb6 938 if (!ost->encoding_needed)
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939 continue;
940
38313626 941 if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
6f1c66d5 942 continue;
38313626 943 if (enc->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
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944 continue;
945
7636c8c6 946 for (;;) {
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947 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
948 const char *desc;
6f1c66d5 949
38313626 950 switch (enc->codec_type) {
6f1c66d5 951 case AVMEDIA_TYPE_AUDIO:
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952 encode = avcodec_encode_audio2;
953 desc = "Audio";
6f1c66d5
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954 break;
955 case AVMEDIA_TYPE_VIDEO:
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956 encode = avcodec_encode_video2;
957 desc = "Video";
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958 break;
959 default:
960 stop_encoding = 1;
961 }
962
963 if (encode) {
964 AVPacket pkt;
965 int got_packet;
966 av_init_packet(&pkt);
967 pkt.data = NULL;
968 pkt.size = 0;
969
970 ret = encode(enc, &pkt, NULL, &got_packet);
6f1c66d5 971 if (ret < 0) {
369cb092 972 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
636ced8e 973 exit_program(1);
6f1c66d5 974 }
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975 if (ost->logfile && enc->stats_out) {
976 fprintf(ost->logfile, "%s", enc->stats_out);
977 }
8e37038a 978 if (!got_packet) {
ee458cb1
JR
979 stop_encoding = 1;
980 break;
981 }
452860d7 982 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
ee458cb1 983 write_frame(os, &pkt, ost);
4a4ce2e7 984 }
369cb092 985
ee458cb1 986 if (stop_encoding)
6f1c66d5 987 break;
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988 }
989 }
990}
991
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992/*
993 * Check whether a packet from ist should be written into ost at this time
994 */
995static int check_output_constraints(InputStream *ist, OutputStream *ost)
996{
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997 OutputFile *of = output_files[ost->file_index];
998 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
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999
1000 if (ost->source_index != ist_index)
1001 return 0;
1002
56ee3f9d 1003 if (of->start_time != AV_NOPTS_VALUE && ist->last_dts < of->start_time)
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1004 return 0;
1005
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1006 return 1;
1007}
1008
1009static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1010{
2e215267 1011 OutputFile *of = output_files[ost->file_index];
488a0fa6 1012 InputFile *f = input_files [ist->file_index];
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1013 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1014 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
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1015 AVPacket opkt;
1016
1017 av_init_packet(&opkt);
1018
1019 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1020 !ost->copy_initial_nonkeyframes)
1021 return;
1022
1270e12e 1023 if (of->recording_time != INT64_MAX &&
56ee3f9d 1024 ist->last_dts >= of->recording_time + start_time) {
57d24225 1025 ost->finished = 1;
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1026 return;
1027 }
1028
488a0fa6
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1029 if (f->recording_time != INT64_MAX) {
1030 start_time = f->ctx->start_time;
1031 if (f->start_time != AV_NOPTS_VALUE)
1032 start_time += f->start_time;
1033 if (ist->last_dts >= f->recording_time + start_time) {
1034 ost->finished = 1;
1035 return;
1036 }
1037 }
1038
7204ec1a 1039 /* force the input stream PTS */
38313626 1040 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
7204ec1a 1041 ost->sync_opts++;
7204ec1a 1042
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AK
1043 if (pkt->pts != AV_NOPTS_VALUE)
1044 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1045 else
1046 opkt.pts = AV_NOPTS_VALUE;
1047
1048 if (pkt->dts == AV_NOPTS_VALUE)
23576b3f 1049 opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base);
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1050 else
1051 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1052 opkt.dts -= ost_tb_start_time;
1053
1054 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1055 opkt.flags = pkt->flags;
1056
7636c8c6 1057 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
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AK
1058 if ( ost->enc_ctx->codec_id != AV_CODEC_ID_H264
1059 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG1VIDEO
1060 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG2VIDEO
1061 && ost->enc_ctx->codec_id != AV_CODEC_ID_VC1
7204ec1a 1062 ) {
c872d310
AK
1063 if (av_parser_change(ost->parser, ost->st->codec,
1064 &opkt.data, &opkt.size,
1065 pkt->data, pkt->size,
1066 pkt->flags & AV_PKT_FLAG_KEY)) {
9b2dc295
AK
1067 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1068 if (!opkt.buf)
636ced8e 1069 exit_program(1);
9b2dc295 1070 }
7204ec1a
AK
1071 } else {
1072 opkt.data = pkt->data;
1073 opkt.size = pkt->size;
1074 }
1075
f15f02c2 1076 write_frame(of->ctx, &opkt, ost);
7204ec1a
AK
1077}
1078
f5e66827 1079int guess_input_channel_layout(InputStream *ist)
369cb092 1080{
41776ba9 1081 AVCodecContext *dec = ist->dec_ctx;
369cb092
AK
1082
1083 if (!dec->channel_layout) {
1084 char layout_name[256];
1085
1086 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1087 if (!dec->channel_layout)
1088 return 0;
1089 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1090 dec->channels, dec->channel_layout);
1091 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1092 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1093 }
1094 return 1;
1095}
1096
0629f612 1097static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
ded28ba3 1098{
9b2dc295 1099 AVFrame *decoded_frame, *f;
41776ba9 1100 AVCodecContext *avctx = ist->dec_ctx;
9b2dc295 1101 int i, ret, err = 0, resample_changed;
ded28ba3 1102
5b9c3b45 1103 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
d1241ff3 1104 return AVERROR(ENOMEM);
9b2dc295
AK
1105 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1106 return AVERROR(ENOMEM);
9179f27c 1107 decoded_frame = ist->decoded_frame;
ded28ba3 1108
d1241ff3 1109 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
b114f6d4 1110 if (!*got_output || ret < 0)
af8ad892 1111 return ret;
ded28ba3 1112
47543450
AK
1113 ist->samples_decoded += decoded_frame->nb_samples;
1114 ist->frames_decoded++;
1115
d1241ff3
JR
1116 /* if the decoder provides a pts, use it instead of the last packet pts.
1117 the decoder could be delaying output by a packet or more. */
1118 if (decoded_frame->pts != AV_NOPTS_VALUE)
3101bb66 1119 ist->next_dts = decoded_frame->pts;
1ae8198b 1120 else if (pkt->pts != AV_NOPTS_VALUE)
369cb092 1121 decoded_frame->pts = pkt->pts;
1ae8198b 1122 pkt->pts = AV_NOPTS_VALUE;
ded28ba3 1123
369cb092
AK
1124 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1125 ist->resample_channels != avctx->channels ||
1126 ist->resample_channel_layout != decoded_frame->channel_layout ||
1127 ist->resample_sample_rate != decoded_frame->sample_rate;
1128 if (resample_changed) {
1129 char layout1[64], layout2[64];
ded28ba3 1130
369cb092
AK
1131 if (!guess_input_channel_layout(ist)) {
1132 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1133 "layout for Input Stream #%d.%d\n", ist->file_index,
1134 ist->st->index);
636ced8e 1135 exit_program(1);
369cb092
AK
1136 }
1137 decoded_frame->channel_layout = avctx->channel_layout;
1138
1139 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1140 ist->resample_channel_layout);
1141 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1142 decoded_frame->channel_layout);
1143
1144 av_log(NULL, AV_LOG_INFO,
1145 "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",
1146 ist->file_index, ist->st->index,
1147 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1148 ist->resample_channels, layout1,
1149 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1150 avctx->channels, layout2);
1151
1152 ist->resample_sample_fmt = decoded_frame->format;
1153 ist->resample_sample_rate = decoded_frame->sample_rate;
1154 ist->resample_channel_layout = decoded_frame->channel_layout;
1155 ist->resample_channels = avctx->channels;
1156
1157 for (i = 0; i < nb_filtergraphs; i++)
1158 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1159 configure_filtergraph(filtergraphs[i]) < 0) {
1160 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
636ced8e 1161 exit_program(1);
369cb092 1162 }
ded28ba3 1163 }
110d2af2 1164
715129cd
MS
1165 if (decoded_frame->pts != AV_NOPTS_VALUE)
1166 decoded_frame->pts = av_rescale_q(decoded_frame->pts,
1167 ist->st->time_base,
41776ba9 1168 (AVRational){1, avctx->sample_rate});
9b2dc295
AK
1169 for (i = 0; i < ist->nb_filters; i++) {
1170 if (i < ist->nb_filters - 1) {
1171 f = ist->filter_frame;
1172 err = av_frame_ref(f, decoded_frame);
1173 if (err < 0)
1174 break;
1175 } else
1176 f = decoded_frame;
369cb092 1177
9b2dc295
AK
1178 err = av_buffersrc_add_frame(ist->filters[i]->filter, f);
1179 if (err < 0)
1180 break;
1181 }
1182
1183 av_frame_unref(ist->filter_frame);
1184 av_frame_unref(decoded_frame);
1185 return err < 0 ? err : ret;
ded28ba3
AK
1186}
1187
0629f612 1188static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
45d4b66f 1189{
9b2dc295 1190 AVFrame *decoded_frame, *f;
9b2dc295 1191 int i, ret = 0, err = 0, resample_changed;
45d4b66f 1192
9b2dc295
AK
1193 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1194 return AVERROR(ENOMEM);
1195 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
45d4b66f 1196 return AVERROR(ENOMEM);
9179f27c 1197 decoded_frame = ist->decoded_frame;
45d4b66f 1198
41776ba9 1199 ret = avcodec_decode_video2(ist->dec_ctx,
45d4b66f 1200 decoded_frame, got_output, pkt);
b114f6d4 1201 if (!*got_output || ret < 0)
af8ad892 1202 return ret;
f154ef1a 1203
47543450
AK
1204 ist->frames_decoded++;
1205
07fd0a22 1206 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
41776ba9 1207 err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
07fd0a22
AK
1208 if (err < 0)
1209 goto fail;
1210 }
1211 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
1212
b34856a1
AK
1213 decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1214 decoded_frame->pkt_dts);
45d4b66f 1215 pkt->size = 0;
45d4b66f 1216
695ec04e
AK
1217 if (ist->st->sample_aspect_ratio.num)
1218 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1219
e77c8662
AK
1220 resample_changed = ist->resample_width != decoded_frame->width ||
1221 ist->resample_height != decoded_frame->height ||
1222 ist->resample_pix_fmt != decoded_frame->format;
1223 if (resample_changed) {
1224 av_log(NULL, AV_LOG_INFO,
1225 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1226 ist->file_index, ist->st->index,
1227 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1228 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1229
2f34021d 1230 ret = poll_filters();
22a6d48b
LB
1231 if (ret < 0 && (ret != AVERROR_EOF && ret != AVERROR(EAGAIN))) {
1232 char errbuf[128];
1233 av_strerror(ret, errbuf, sizeof(errbuf));
1234
1235 av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
1236 }
2f34021d 1237
e77c8662
AK
1238 ist->resample_width = decoded_frame->width;
1239 ist->resample_height = decoded_frame->height;
1240 ist->resample_pix_fmt = decoded_frame->format;
e77c8662 1241
3b266da3
AK
1242 for (i = 0; i < nb_filtergraphs; i++)
1243 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1244 configure_filtergraph(filtergraphs[i]) < 0) {
ac646076 1245 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
636ced8e 1246 exit_program(1);
3b266da3
AK
1247 }
1248 }
ac646076 1249
3b266da3 1250 for (i = 0; i < ist->nb_filters; i++) {
9b2dc295
AK
1251 if (i < ist->nb_filters - 1) {
1252 f = ist->filter_frame;
1253 err = av_frame_ref(f, decoded_frame);
1254 if (err < 0)
1255 break;
04a14d4d 1256 } else
9b2dc295
AK
1257 f = decoded_frame;
1258
1259 err = av_buffersrc_add_frame(ist->filters[i]->filter, f);
1260 if (err < 0)
1261 break;
45d4b66f
AK
1262 }
1263
07fd0a22 1264fail:
9b2dc295
AK
1265 av_frame_unref(ist->filter_frame);
1266 av_frame_unref(decoded_frame);
9b2dc295 1267 return err < 0 ? err : ret;
45d4b66f
AK
1268}
1269
9595234c
AK
1270static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1271{
1272 AVSubtitle subtitle;
41776ba9 1273 int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
9595234c
AK
1274 &subtitle, got_output, pkt);
1275 if (ret < 0)
1276 return ret;
1277 if (!*got_output)
af8ad892 1278 return ret;
9595234c 1279
47543450
AK
1280 ist->frames_decoded++;
1281
9595234c 1282 for (i = 0; i < nb_output_streams; i++) {
2e215267 1283 OutputStream *ost = output_streams[i];
9595234c
AK
1284
1285 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1286 continue;
1287
2e215267 1288 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
9595234c
AK
1289 }
1290
1291 avsubtitle_free(&subtitle);
af8ad892 1292 return ret;
9595234c
AK
1293}
1294
b114f6d4
AK
1295static int send_filter_eof(InputStream *ist)
1296{
1297 int i, ret;
1298 for (i = 0; i < ist->nb_filters; i++) {
1299 ret = av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1300 if (ret < 0)
1301 return ret;
1302 }
1303 return 0;
1304}
1305
6291d7e4 1306/* pkt = NULL means EOF (needed to flush decoder buffers) */
9a5e4fbe 1307static void process_input_packet(InputStream *ist, const AVPacket *pkt)
6291d7e4 1308{
ffa0674e 1309 int i;
6291d7e4 1310 int got_output;
6291d7e4 1311 AVPacket avpkt;
6291d7e4 1312
3101bb66 1313 if (ist->next_dts == AV_NOPTS_VALUE)
23576b3f 1314 ist->next_dts = ist->last_dts;
6291d7e4 1315
f929ab05 1316 if (!pkt) {
6291d7e4
AK
1317 /* EOF handling */
1318 av_init_packet(&avpkt);
1319 avpkt.data = NULL;
1320 avpkt.size = 0;
1321 goto handle_eof;
1322 } else {
1323 avpkt = *pkt;
1324 }
1325
7636c8c6 1326 if (pkt->dts != AV_NOPTS_VALUE)
23576b3f 1327 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
6291d7e4 1328
7636c8c6 1329 // while we have more to decode or while the decoder did output something on EOF
2a651b71 1330 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
ffa0674e 1331 int ret = 0;
6291d7e4 1332 handle_eof:
6291d7e4 1333
23576b3f 1334 ist->last_dts = ist->next_dts;
8b0268a8 1335
d1780e01
AK
1336 if (avpkt.size && avpkt.size != pkt->size &&
1337 !(ist->dec->capabilities & CODEC_CAP_SUBFRAMES)) {
e3245b26
AK
1338 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1339 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
8b0268a8
AK
1340 ist->showed_multi_packet_warning = 1;
1341 }
6291d7e4 1342
41776ba9 1343 switch (ist->dec_ctx->codec_type) {
82963f8f 1344 case AVMEDIA_TYPE_AUDIO:
0629f612 1345 ret = decode_audio (ist, &avpkt, &got_output);
82963f8f
AK
1346 break;
1347 case AVMEDIA_TYPE_VIDEO:
0629f612 1348 ret = decode_video (ist, &avpkt, &got_output);
b34856a1
AK
1349 if (avpkt.duration)
1350 ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
aba232cf 1351 else if (ist->st->avg_frame_rate.num)
82494835 1352 ist->next_dts += av_rescale_q(1, av_inv_q(ist->st->avg_frame_rate),
722410ad 1353 AV_TIME_BASE_Q);
557d4c4e 1354 else if (ist->dec_ctx->framerate.num != 0) {
b34856a1 1355 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
41776ba9 1356 ist->dec_ctx->ticks_per_frame;
557d4c4e 1357 ist->next_dts += av_rescale_q(ticks, ist->dec_ctx->framerate, AV_TIME_BASE_Q);
b34856a1 1358 }
82963f8f
AK
1359 break;
1360 case AVMEDIA_TYPE_SUBTITLE:
1361 ret = transcode_subtitles(ist, &avpkt, &got_output);
1362 break;
78162b4e 1363 default:
9a5e4fbe
AK
1364 return;
1365 }
1366
1367 if (ret < 0) {
1368 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
1369 ist->file_index, ist->st->index);
1370 if (exit_on_error)
1371 exit_program(1);
1372 break;
78162b4e 1373 }
6291d7e4 1374
aa38cff2
JG
1375 // touch data and size only if not EOF
1376 if (pkt) {
1377 avpkt.data += ret;
1378 avpkt.size -= ret;
1379 }
82963f8f 1380 if (!got_output) {
af8ad892 1381 continue;
82963f8f 1382 }
6291d7e4 1383 }
6291d7e4 1384
b114f6d4
AK
1385 /* after flushing, send an EOF on all the filter inputs attached to the stream */
1386 if (!pkt && ist->decoding_needed) {
1387 int ret = send_filter_eof(ist);
1388 if (ret < 0) {
1389 av_log(NULL, AV_LOG_FATAL, "Error marking filters as finished\n");
1390 exit_program(1);
1391 }
1392 }
1393
7204ec1a 1394 /* handle stream copy */
2a651b71 1395 if (!ist->decoding_needed) {
23576b3f 1396 ist->last_dts = ist->next_dts;
41776ba9 1397 switch (ist->dec_ctx->codec_type) {
2a651b71 1398 case AVMEDIA_TYPE_AUDIO:
41776ba9
AK
1399 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
1400 ist->dec_ctx->sample_rate;
2a651b71
AK
1401 break;
1402 case AVMEDIA_TYPE_VIDEO:
557d4c4e 1403 if (ist->dec_ctx->framerate.num != 0) {
41776ba9 1404 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
3101bb66 1405 ist->next_dts += ((int64_t)AV_TIME_BASE *
557d4c4e
AK
1406 ist->dec_ctx->framerate.den * ticks) /
1407 ist->dec_ctx->framerate.num;
2a651b71
AK
1408 }
1409 break;
1410 }
1411 }
ea9367e9 1412 for (i = 0; pkt && i < nb_output_streams; i++) {
2e215267 1413 OutputStream *ost = output_streams[i];
7204ec1a
AK
1414
1415 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1416 continue;
1417
1418 do_streamcopy(ist, ost, pkt);
1419 }
1420
9a5e4fbe 1421 return;
6291d7e4
AK
1422}
1423
ea9367e9 1424static void print_sdp(void)
6291d7e4 1425{
a23abaf3 1426 char sdp[16384];
af70aa45 1427 int i;
ea9367e9 1428 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
af70aa45
AK
1429
1430 if (!avc)
636ced8e 1431 exit_program(1);
ea9367e9 1432 for (i = 0; i < nb_output_files; i++)
2e215267 1433 avc[i] = output_files[i]->ctx;
6291d7e4 1434
ea9367e9 1435 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
6291d7e4
AK
1436 printf("SDP:\n%s\n", sdp);
1437 fflush(stdout);
af70aa45 1438 av_freep(&avc);
6291d7e4
AK
1439}
1440
07fd0a22
AK
1441static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
1442{
1443 int i;
1444 for (i = 0; hwaccels[i].name; i++)
1445 if (hwaccels[i].pix_fmt == pix_fmt)
1446 return &hwaccels[i];
1447 return NULL;
1448}
1449
1450static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
1451{
1452 InputStream *ist = s->opaque;
1453 const enum AVPixelFormat *p;
1454 int ret;
1455
1456 for (p = pix_fmts; *p != -1; p++) {
1457 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
1458 const HWAccel *hwaccel;
1459
1460 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
1461 break;
1462
1463 hwaccel = get_hwaccel(*p);
1464 if (!hwaccel ||
1465 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
1466 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
1467 continue;
1468
1469 ret = hwaccel->init(s);
1470 if (ret < 0) {
1471 if (ist->hwaccel_id == hwaccel->id) {
1472 av_log(NULL, AV_LOG_FATAL,
1473 "%s hwaccel requested for input stream #%d:%d, "
1474 "but cannot be initialized.\n", hwaccel->name,
1475 ist->file_index, ist->st->index);
dc7536ca 1476 return AV_PIX_FMT_NONE;
07fd0a22
AK
1477 }
1478 continue;
1479 }
1480 ist->active_hwaccel_id = hwaccel->id;
1481 ist->hwaccel_pix_fmt = *p;
1482 break;
1483 }
1484
1485 return *p;
1486}
1487
1488static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
1489{
1490 InputStream *ist = s->opaque;
1491
1492 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
1493 return ist->hwaccel_get_buffer(s, frame, flags);
1494
1495 return avcodec_default_get_buffer2(s, frame, flags);
1496}
1497
ea9367e9 1498static int init_input_stream(int ist_index, char *error, int error_len)
630902a1 1499{
56c2f377 1500 int ret;
2e215267 1501 InputStream *ist = input_streams[ist_index];
630902a1
AK
1502 if (ist->decoding_needed) {
1503 AVCodec *codec = ist->dec;
630902a1 1504 if (!codec) {
9a414d89 1505 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
41776ba9 1506 ist->dec_ctx->codec_id, ist->file_index, ist->st->index);
630902a1
AK
1507 return AVERROR(EINVAL);
1508 }
1509
41776ba9
AK
1510 ist->dec_ctx->opaque = ist;
1511 ist->dec_ctx->get_format = get_format;
1512 ist->dec_ctx->get_buffer2 = get_buffer;
1513 ist->dec_ctx->thread_safe_callbacks = 1;
07fd0a22 1514
41776ba9 1515 av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
64dca32c 1516
f3a6ad22
AK
1517 if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
1518 av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
41776ba9 1519 if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
42cc6cef 1520 char errbuf[128];
c854102d
NC
1521 if (ret == AVERROR_EXPERIMENTAL)
1522 abort_codec_experimental(codec, 0);
42cc6cef
LB
1523
1524 av_strerror(ret, errbuf, sizeof(errbuf));
1525
1526 snprintf(error, error_len,
1527 "Error while opening decoder for input stream "
1528 "#%d:%d : %s",
1529 ist->file_index, ist->st->index, errbuf);
c854102d 1530 return ret;
630902a1 1531 }
f3a6ad22 1532 assert_avoptions(ist->decoder_opts);
630902a1
AK
1533 }
1534
41776ba9 1535 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 1536 ist->next_dts = AV_NOPTS_VALUE;
630902a1 1537 init_pts_correction(&ist->pts_ctx);
630902a1
AK
1538
1539 return 0;
1540}
1541
3b266da3
AK
1542static InputStream *get_input_stream(OutputStream *ost)
1543{
1544 if (ost->source_index >= 0)
1545 return input_streams[ost->source_index];
1546
1547 if (ost->filter) {
1548 FilterGraph *fg = ost->filter->graph;
1549 int i;
1550
1551 for (i = 0; i < fg->nb_inputs; i++)
38313626 1552 if (fg->inputs[i]->ist->dec_ctx->codec_type == ost->enc_ctx->codec_type)
3b266da3
AK
1553 return fg->inputs[i]->ist;
1554 }
1555
1556 return NULL;
1557}
1558
ab7b0389
AK
1559static int init_output_stream(OutputStream *ost, char *error, int error_len)
1560{
1561 int ret = 0;
1562
1563 if (ost->encoding_needed) {
1564 AVCodec *codec = ost->enc;
1565 AVCodecContext *dec = NULL;
1566 InputStream *ist;
1567
1568 if ((ist = get_input_stream(ost)))
1569 dec = ist->dec_ctx;
1570 if (dec && dec->subtitle_header) {
1571 ost->enc_ctx->subtitle_header = av_malloc(dec->subtitle_header_size);
1572 if (!ost->enc_ctx->subtitle_header)
1573 return AVERROR(ENOMEM);
1574 memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
1575 ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
1576 }
1577 if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
1578 av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
1579 av_dict_set(&ost->encoder_opts, "side_data_only_packets", "1", 0);
1580
1581 if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
1582 if (ret == AVERROR_EXPERIMENTAL)
1583 abort_codec_experimental(codec, 1);
1584 snprintf(error, error_len,
1585 "Error while opening encoder for output stream #%d:%d - "
1586 "maybe incorrect parameters such as bit_rate, rate, width or height",
1587 ost->file_index, ost->index);
1588 return ret;
1589 }
1590 assert_avoptions(ost->encoder_opts);
1591 if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
1592 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
1593 "It takes bits/s as argument, not kbits/s\n");
1594
1595 ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
1596 if (ret < 0) {
1597 av_log(NULL, AV_LOG_FATAL,
1598 "Error initializing the output stream codec context.\n");
1599 exit_program(1);
1600 }
1601
1602 ost->st->time_base = ost->enc_ctx->time_base;
1603 } else {
1604 ret = av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts);
1605 if (ret < 0)
1606 return ret;
1607 ost->st->time_base = ost->st->codec->time_base;
1608 }
1609
1610 return ret;
1611}
1612
19ad5673
AK
1613static void parse_forced_key_frames(char *kf, OutputStream *ost,
1614 AVCodecContext *avctx)
1615{
1616 char *p;
1617 int n = 1, i;
1618 int64_t t;
1619
1620 for (p = kf; *p; p++)
1621 if (*p == ',')
1622 n++;
1623 ost->forced_kf_count = n;
1624 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1625 if (!ost->forced_kf_pts) {
1626 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
636ced8e 1627 exit_program(1);
19ad5673 1628 }
4c679750
RD
1629
1630 p = kf;
19ad5673 1631 for (i = 0; i < n; i++) {
4c679750
RD
1632 char *next = strchr(p, ',');
1633
1634 if (next)
1635 *next++ = 0;
1636
19ad5673
AK
1637 t = parse_time_or_die("force_key_frames", p, 1);
1638 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
4c679750
RD
1639
1640 p = next;
19ad5673
AK
1641 }
1642}
1643
6656370b
AK
1644static void set_encoder_id(OutputFile *of, OutputStream *ost)
1645{
1646 AVDictionaryEntry *e;
1647
1648 uint8_t *encoder_string;
1649 int encoder_string_len;
1650 int format_flags = 0;
1651
1652 e = av_dict_get(of->opts, "fflags", NULL, 0);
1653 if (e) {
1654 const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
1655 if (!o)
1656 return;
1657 av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
1658 }
1659
1660 encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
1661 encoder_string = av_mallocz(encoder_string_len);
1662 if (!encoder_string)
1663 exit_program(1);
1664
1665 if (!(format_flags & AVFMT_FLAG_BITEXACT))
1666 av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
1667 av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
1668 av_dict_set(&ost->st->metadata, "encoder", encoder_string,
1669 AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
1670}
1671
ea9367e9 1672static int transcode_init(void)
6291d7e4 1673{
2c474ddb 1674 int ret = 0, i, j, k;
1bb77e51 1675 AVFormatContext *oc;
4288e031 1676 OutputStream *ost;
6291d7e4
AK
1677 InputStream *ist;
1678 char error[1024];
1679 int want_sdp = 1;
b0c9e8e0 1680
f4805328
AK
1681 /* init framerate emulation */
1682 for (i = 0; i < nb_input_files; i++) {
2e215267 1683 InputFile *ifile = input_files[i];
f4805328
AK
1684 if (ifile->rate_emu)
1685 for (j = 0; j < ifile->nb_streams; j++)
d0c09302 1686 input_streams[j + ifile->ist_index]->start = av_gettime_relative();
f4805328 1687 }
6291d7e4 1688
6291d7e4 1689 /* for each output stream, we compute the right encoding parameters */
4288e031 1690 for (i = 0; i < nb_output_streams; i++) {
65ed9e75 1691 AVCodecContext *enc_ctx;
650a5206 1692 AVCodecContext *dec_ctx = NULL;
2e215267
AK
1693 ost = output_streams[i];
1694 oc = output_files[ost->file_index]->ctx;
3b266da3 1695 ist = get_input_stream(ost);
6291d7e4 1696
4dbc6cee
AK
1697 if (ost->attachment_filename)
1698 continue;
1699
3892bdab 1700 enc_ctx = ost->stream_copy ? ost->st->codec : ost->enc_ctx;
6291d7e4 1701
3b266da3 1702 if (ist) {
41776ba9 1703 dec_ctx = ist->dec_ctx;
3b266da3
AK
1704
1705 ost->st->disposition = ist->st->disposition;
65ed9e75
AK
1706 enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
1707 enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
3b266da3 1708 }
6291d7e4 1709
3d813e4c 1710 if (ost->stream_copy) {
538bf767 1711 AVRational sar;
8c4022ac
AK
1712 uint64_t extra_size;
1713
1714 av_assert0(ist && !ost->filter);
1715
650a5206 1716 extra_size = (uint64_t)dec_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
6291d7e4 1717
e6d2b737 1718 if (extra_size > INT_MAX) {
eaf2d37a 1719 return AVERROR(EINVAL);
e6d2b737 1720 }
6291d7e4
AK
1721
1722 /* if stream_copy is selected, no need to decode or encode */
65ed9e75
AK
1723 enc_ctx->codec_id = dec_ctx->codec_id;
1724 enc_ctx->codec_type = dec_ctx->codec_type;
6291d7e4 1725
65ed9e75 1726 if (!enc_ctx->codec_tag) {
03f30c83 1727 if (!oc->oformat->codec_tag ||
65ed9e75 1728 av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == enc_ctx->codec_id ||
650a5206 1729 av_codec_get_tag(oc->oformat->codec_tag, dec_ctx->codec_id) <= 0)
65ed9e75 1730 enc_ctx->codec_tag = dec_ctx->codec_tag;
6291d7e4
AK
1731 }
1732
65ed9e75
AK
1733 enc_ctx->bit_rate = dec_ctx->bit_rate;
1734 enc_ctx->rc_max_rate = dec_ctx->rc_max_rate;
1735 enc_ctx->rc_buffer_size = dec_ctx->rc_buffer_size;
1736 enc_ctx->field_order = dec_ctx->field_order;
1737 enc_ctx->extradata = av_mallocz(extra_size);
1738 if (!enc_ctx->extradata) {
eaf2d37a 1739 return AVERROR(ENOMEM);
e6d2b737 1740 }
65ed9e75
AK
1741 memcpy(enc_ctx->extradata, dec_ctx->extradata, dec_ctx->extradata_size);
1742 enc_ctx->extradata_size = dec_ctx->extradata_size;
7bb3e625 1743 if (!copy_tb) {
65ed9e75
AK
1744 enc_ctx->time_base = dec_ctx->time_base;
1745 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
1746 av_reduce(&enc_ctx->time_base.num, &enc_ctx->time_base.den,
1747 enc_ctx->time_base.num, enc_ctx->time_base.den, INT_MAX);
03f30c83 1748 } else
65ed9e75 1749 enc_ctx->time_base = ist->st->time_base;
03f30c83 1750
88b32673
AK
1751 if (ist->st->nb_side_data) {
1752 ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data,
1753 sizeof(*ist->st->side_data));
1754 if (!ost->st->side_data)
1755 return AVERROR(ENOMEM);
1756
1757 for (j = 0; j < ist->st->nb_side_data; j++) {
1758 const AVPacketSideData *sd_src = &ist->st->side_data[j];
1759 AVPacketSideData *sd_dst = &ost->st->side_data[j];
1760
1761 sd_dst->data = av_malloc(sd_src->size);
1762 if (!sd_dst->data)
1763 return AVERROR(ENOMEM);
1764 memcpy(sd_dst->data, sd_src->data, sd_src->size);
1765 sd_dst->size = sd_src->size;
1766 sd_dst->type = sd_src->type;
1767 ost->st->nb_side_data++;
1768 }
1769 }
1770
65ed9e75 1771 ost->parser = av_parser_init(enc_ctx->codec_id);
c872d310 1772
65ed9e75 1773 switch (enc_ctx->codec_type) {
6291d7e4 1774 case AVMEDIA_TYPE_AUDIO:
7636c8c6 1775 if (audio_volume != 256) {
e3245b26 1776 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
636ced8e 1777 exit_program(1);
6291d7e4 1778 }
65ed9e75
AK
1779 enc_ctx->channel_layout = dec_ctx->channel_layout;
1780 enc_ctx->sample_rate = dec_ctx->sample_rate;
1781 enc_ctx->channels = dec_ctx->channels;
1782 enc_ctx->frame_size = dec_ctx->frame_size;
1783 enc_ctx->audio_service_type = dec_ctx->audio_service_type;
1784 enc_ctx->block_align = dec_ctx->block_align;
6291d7e4
AK
1785 break;
1786 case AVMEDIA_TYPE_VIDEO:
65ed9e75
AK
1787 enc_ctx->pix_fmt = dec_ctx->pix_fmt;
1788 enc_ctx->width = dec_ctx->width;
1789 enc_ctx->height = dec_ctx->height;
1790 enc_ctx->has_b_frames = dec_ctx->has_b_frames;
538bf767 1791 if (ost->frame_aspect_ratio)
65ed9e75 1792 sar = av_d2q(ost->frame_aspect_ratio * enc_ctx->height / enc_ctx->width, 255);
538bf767
AK
1793 else if (ist->st->sample_aspect_ratio.num)
1794 sar = ist->st->sample_aspect_ratio;
1795 else
650a5206 1796 sar = dec_ctx->sample_aspect_ratio;
65ed9e75 1797 ost->st->sample_aspect_ratio = enc_ctx->sample_aspect_ratio = sar;
6291d7e4
AK
1798 break;
1799 case AVMEDIA_TYPE_SUBTITLE:
65ed9e75
AK
1800 enc_ctx->width = dec_ctx->width;
1801 enc_ctx->height = dec_ctx->height;
6291d7e4
AK
1802 break;
1803 case AVMEDIA_TYPE_DATA:
3ccd1580 1804 case AVMEDIA_TYPE_ATTACHMENT:
6291d7e4
AK
1805 break;
1806 default:
1807 abort();
1808 }
1809 } else {
2994913d
AK
1810 if (!ost->enc) {
1811 /* should only happen when a default codec is not present. */
1812 snprintf(error, sizeof(error), "Automatic encoder selection "
1813 "failed for output stream #%d:%d. Default encoder for "
1814 "format %s is probably disabled. Please choose an "
1815 "encoder manually.\n", ost->file_index, ost->index,
1816 oc->oformat->name);
1817 ret = AVERROR(EINVAL);
1818 goto dump_format;
1819 }
03f30c83 1820
6656370b
AK
1821 set_encoder_id(output_files[ost->file_index], ost);
1822
74b961db
AK
1823 /*
1824 * We want CFR output if and only if one of those is true:
1825 * 1) user specified output framerate with -r
1826 * 2) user specified -vsync cfr
1827 * 3) output format is CFR and the user didn't force vsync to
1828 * something else than CFR
1829 *
1830 * in such a case, set ost->frame_rate
1831 */
65ed9e75 1832 if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO &&
74b961db
AK
1833 !ost->frame_rate.num && ist &&
1834 (video_sync_method == VSYNC_CFR ||
1835 (video_sync_method == VSYNC_AUTO &&
1836 !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
2ce8bca5
AK
1837 if (ist->framerate.num)
1838 ost->frame_rate = ist->framerate;
1839 else if (ist->st->avg_frame_rate.num)
1840 ost->frame_rate = ist->st->avg_frame_rate;
1841 else {
1842 av_log(NULL, AV_LOG_WARNING, "Constant framerate requested "
1843 "for the output stream #%d:%d, but no information "
1844 "about the input framerate is available. Falling "
1845 "back to a default value of 25fps. Use the -r option "
1846 "if you want a different framerate.\n",
1847 ost->file_index, ost->index);
1848 ost->frame_rate = (AVRational){ 25, 1 };
1849 }
44b0b85f 1850
74b961db
AK
1851 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
1852 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
1853 ost->frame_rate = ost->enc->supported_framerates[idx];
1854 }
1855 }
1856
369cb092 1857 if (!ost->filter &&
65ed9e75
AK
1858 (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
1859 enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) {
3b266da3
AK
1860 FilterGraph *fg;
1861 fg = init_simple_filtergraph(ist, ost);
8daf21d5 1862 if (configure_filtergraph(fg)) {
3b266da3 1863 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
636ced8e 1864 exit_program(1);
3b266da3 1865 }
369cb092 1866 }
3b266da3 1867
65ed9e75 1868 switch (enc_ctx->codec_type) {
369cb092 1869 case AVMEDIA_TYPE_AUDIO:
65ed9e75
AK
1870 enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
1871 enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
1872 enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
1873 enc_ctx->channels = av_get_channel_layout_nb_channels(enc_ctx->channel_layout);
1874 enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
369cb092
AK
1875 break;
1876 case AVMEDIA_TYPE_VIDEO:
65ed9e75 1877 enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
6291d7e4 1878
65ed9e75
AK
1879 enc_ctx->width = ost->filter->filter->inputs[0]->w;
1880 enc_ctx->height = ost->filter->filter->inputs[0]->h;
1881 enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
3b266da3 1882 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
65ed9e75 1883 av_d2q(ost->frame_aspect_ratio * enc_ctx->height/enc_ctx->width, 255) :
3b266da3 1884 ost->filter->filter->inputs[0]->sample_aspect_ratio;
65ed9e75 1885 enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
b7327887 1886
93afb6c9
AK
1887 ost->st->avg_frame_rate = ost->frame_rate;
1888
650a5206 1889 if (dec_ctx &&
65ed9e75
AK
1890 (enc_ctx->width != dec_ctx->width ||
1891 enc_ctx->height != dec_ctx->height ||
1892 enc_ctx->pix_fmt != dec_ctx->pix_fmt)) {
1893 enc_ctx->bits_per_raw_sample = 0;
b7327887
AK
1894 }
1895
19ad5673
AK
1896 if (ost->forced_keyframes)
1897 parse_forced_key_frames(ost->forced_keyframes, ost,
38313626 1898 ost->enc_ctx);
6291d7e4
AK
1899 break;
1900 case AVMEDIA_TYPE_SUBTITLE:
65ed9e75 1901 enc_ctx->time_base = (AVRational){1, 1000};
6291d7e4
AK
1902 break;
1903 default:
1904 abort();
1905 break;
1906 }
6291d7e4 1907 }
6291d7e4
AK
1908 }
1909
1910 /* open each encoder */
4288e031 1911 for (i = 0; i < nb_output_streams; i++) {
ab7b0389
AK
1912 ret = init_output_stream(output_streams[i], error, sizeof(error));
1913 if (ret < 0)
1914 goto dump_format;
6291d7e4
AK
1915 }
1916
630902a1
AK
1917 /* init input streams */
1918 for (i = 0; i < nb_input_streams; i++)
ea9367e9 1919 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
630902a1 1920 goto dump_format;
6291d7e4 1921
2c474ddb
AK
1922 /* discard unused programs */
1923 for (i = 0; i < nb_input_files; i++) {
2e215267 1924 InputFile *ifile = input_files[i];
2c474ddb
AK
1925 for (j = 0; j < ifile->ctx->nb_programs; j++) {
1926 AVProgram *p = ifile->ctx->programs[j];
1927 int discard = AVDISCARD_ALL;
1928
1929 for (k = 0; k < p->nb_stream_indexes; k++)
2e215267 1930 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2c474ddb
AK
1931 discard = AVDISCARD_DEFAULT;
1932 break;
1933 }
1934 p->discard = discard;
1935 }
1936 }
1937
6291d7e4 1938 /* open files and write file headers */
af70aa45 1939 for (i = 0; i < nb_output_files; i++) {
2e215267 1940 oc = output_files[i]->ctx;
1bb77e51 1941 oc->interrupt_callback = int_cb;
a1a6cdc2
MS
1942 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
1943 char errbuf[128];
1e340af8
LB
1944 av_strerror(ret, errbuf, sizeof(errbuf));
1945 snprintf(error, sizeof(error),
1946 "Could not write header for output file #%d "
1947 "(incorrect codec parameters ?): %s",
1948 i, errbuf);
6291d7e4
AK
1949 ret = AVERROR(EINVAL);
1950 goto dump_format;
1951 }
2e215267 1952 assert_avoptions(output_files[i]->opts);
1bb77e51 1953 if (strcmp(oc->oformat->name, "rtp")) {
6291d7e4
AK
1954 want_sdp = 0;
1955 }
1956 }
1957
1958 dump_format:
1959 /* dump the file output parameters - cannot be done before in case
1960 of stream copy */
03f30c83 1961 for (i = 0; i < nb_output_files; i++) {
2e215267 1962 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
6291d7e4
AK
1963 }
1964
1965 /* dump the stream mapping */
e3245b26 1966 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3b266da3
AK
1967 for (i = 0; i < nb_input_streams; i++) {
1968 ist = input_streams[i];
1969
1970 for (j = 0; j < ist->nb_filters; j++) {
3b266da3
AK
1971 if (ist->filters[j]->graph->graph_desc) {
1972 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
1973 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
cf6c38c6 1974 ist->filters[j]->name);
3b266da3
AK
1975 if (nb_filtergraphs > 1)
1976 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
1977 av_log(NULL, AV_LOG_INFO, "\n");
1978 }
1979 }
1980 }
1981
e3245b26 1982 for (i = 0; i < nb_output_streams; i++) {
2e215267 1983 ost = output_streams[i];
4dbc6cee
AK
1984
1985 if (ost->attachment_filename) {
1986 /* an attached file */
1987 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
1988 ost->attachment_filename, ost->file_index, ost->index);
1989 continue;
1990 }
3b266da3
AK
1991
1992 if (ost->filter && ost->filter->graph->graph_desc) {
1993 /* output from a complex graph */
cf6c38c6 1994 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3b266da3
AK
1995 if (nb_filtergraphs > 1)
1996 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
1997
1998 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
1999 ost->index, ost->enc ? ost->enc->name : "?");
2000 continue;
2001 }
2002
9a414d89 2003 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2e215267
AK
2004 input_streams[ost->source_index]->file_index,
2005 input_streams[ost->source_index]->st->index,
e3245b26
AK
2006 ost->file_index,
2007 ost->index);
2e215267 2008 if (ost->sync_ist != input_streams[ost->source_index])
9a414d89 2009 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
e3245b26
AK
2010 ost->sync_ist->file_index,
2011 ost->sync_ist->st->index);
3d813e4c 2012 if (ost->stream_copy)
e3245b26 2013 av_log(NULL, AV_LOG_INFO, " (copy)");
39ec5e1c
LB
2014 else {
2015 const AVCodec *in_codec = input_streams[ost->source_index]->dec;
2016 const AVCodec *out_codec = ost->enc;
2017 const char *decoder_name = "?";
2018 const char *in_codec_name = "?";
2019 const char *encoder_name = "?";
2020 const char *out_codec_name = "?";
aa1a1b24 2021 const AVCodecDescriptor *desc;
39ec5e1c
LB
2022
2023 if (in_codec) {
2024 decoder_name = in_codec->name;
aa1a1b24
HS
2025 desc = avcodec_descriptor_get(in_codec->id);
2026 if (desc)
2027 in_codec_name = desc->name;
39ec5e1c
LB
2028 if (!strcmp(decoder_name, in_codec_name))
2029 decoder_name = "native";
2030 }
2031
2032 if (out_codec) {
2033 encoder_name = out_codec->name;
aa1a1b24
HS
2034 desc = avcodec_descriptor_get(out_codec->id);
2035 if (desc)
2036 out_codec_name = desc->name;
71d6551e 2037 if (!strcmp(encoder_name, out_codec_name))
39ec5e1c
LB
2038 encoder_name = "native";
2039 }
2040
2041 av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
2042 in_codec_name, decoder_name,
2043 out_codec_name, encoder_name);
2044 }
e3245b26 2045 av_log(NULL, AV_LOG_INFO, "\n");
6291d7e4
AK
2046 }
2047
2048 if (ret) {
e3245b26 2049 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
eaf2d37a 2050 return ret;
6291d7e4
AK
2051 }
2052
2053 if (want_sdp) {
ea9367e9 2054 print_sdp();
6291d7e4
AK
2055 }
2056
eaf2d37a
AC
2057 return 0;
2058}
2059
c1ef30a6 2060/* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
2f51ec2b
AK
2061static int need_output(void)
2062{
2063 int i;
2064
2065 for (i = 0; i < nb_output_streams; i++) {
2066 OutputStream *ost = output_streams[i];
2067 OutputFile *of = output_files[ost->file_index];
2068 AVFormatContext *os = output_files[ost->file_index]->ctx;
2069
57d24225 2070 if (ost->finished ||
2f51ec2b
AK
2071 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2072 continue;
e58b75f7 2073 if (ost->frame_number >= ost->max_frames) {
2f51ec2b
AK
2074 int j;
2075 for (j = 0; j < of->ctx->nb_streams; j++)
57d24225 2076 output_streams[of->ost_index + j]->finished = 1;
2f51ec2b
AK
2077 continue;
2078 }
2079
2080 return 1;
2081 }
2082
2083 return 0;
2084}
2085
83916029 2086static InputFile *select_input_file(void)
a508e7a1 2087{
83916029 2088 InputFile *ifile = NULL;
a508e7a1 2089 int64_t ipts_min = INT64_MAX;
83916029 2090 int i;
a508e7a1
AK
2091
2092 for (i = 0; i < nb_input_streams; i++) {
2093 InputStream *ist = input_streams[i];
2094 int64_t ipts = ist->last_dts;
2095
0b26ef42 2096 if (ist->discard || input_files[ist->file_index]->eagain)
a508e7a1
AK
2097 continue;
2098 if (!input_files[ist->file_index]->eof_reached) {
2099 if (ipts < ipts_min) {
2100 ipts_min = ipts;
83916029 2101 ifile = input_files[ist->file_index];
a508e7a1
AK
2102 }
2103 }
2104 }
2105
83916029 2106 return ifile;
a508e7a1
AK
2107}
2108
47b812e9 2109#if HAVE_PTHREADS
5db5169e
AK
2110static void *input_thread(void *arg)
2111{
2112 InputFile *f = arg;
2113 int ret = 0;
2114
2115 while (!transcoding_finished && ret >= 0) {
2116 AVPacket pkt;
2117 ret = av_read_frame(f->ctx, &pkt);
2118
2119 if (ret == AVERROR(EAGAIN)) {
896bb0d7 2120 av_usleep(10000);
5db5169e
AK
2121 ret = 0;
2122 continue;
2123 } else if (ret < 0)
2124 break;
2125
2126 pthread_mutex_lock(&f->fifo_lock);
2127 while (!av_fifo_space(f->fifo))
2128 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
2129
2130 av_dup_packet(&pkt);
2131 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
2132
2133 pthread_mutex_unlock(&f->fifo_lock);
2134 }
2135
2136 f->finished = 1;
2137 return NULL;
2138}
2139
2140static void free_input_threads(void)
2141{
2142 int i;
2143
2144 if (nb_input_files == 1)
2145 return;
2146
2147 transcoding_finished = 1;
2148
2149 for (i = 0; i < nb_input_files; i++) {
2150 InputFile *f = input_files[i];
2151 AVPacket pkt;
2152
9034b0ed 2153 if (!f->fifo || f->joined)
5db5169e
AK
2154 continue;
2155
2156 pthread_mutex_lock(&f->fifo_lock);
2157 while (av_fifo_size(f->fifo)) {
2158 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2159 av_free_packet(&pkt);
2160 }
2161 pthread_cond_signal(&f->fifo_cond);
2162 pthread_mutex_unlock(&f->fifo_lock);
2163
2164 pthread_join(f->thread, NULL);
2165 f->joined = 1;
2166
2167 while (av_fifo_size(f->fifo)) {
2168 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2169 av_free_packet(&pkt);
2170 }
2171 av_fifo_free(f->fifo);
2172 }
2173}
2174
2175static int init_input_threads(void)
2176{
2177 int i, ret;
2178
2179 if (nb_input_files == 1)
2180 return 0;
2181
2182 for (i = 0; i < nb_input_files; i++) {
2183 InputFile *f = input_files[i];
2184
2185 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
2186 return AVERROR(ENOMEM);
2187
2188 pthread_mutex_init(&f->fifo_lock, NULL);
2189 pthread_cond_init (&f->fifo_cond, NULL);
2190
2191 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
2192 return AVERROR(ret);
2193 }
2194 return 0;
2195}
2196
2197static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
2198{
2199 int ret = 0;
2200
2201 pthread_mutex_lock(&f->fifo_lock);
2202
2203 if (av_fifo_size(f->fifo)) {
2204 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
2205 pthread_cond_signal(&f->fifo_cond);
2206 } else {
2207 if (f->finished)
2208 ret = AVERROR_EOF;
2209 else
2210 ret = AVERROR(EAGAIN);
2211 }
2212
2213 pthread_mutex_unlock(&f->fifo_lock);
2214
2215 return ret;
2216}
2217#endif
2218
2219static int get_input_packet(InputFile *f, AVPacket *pkt)
2220{
b4a5a292
AK
2221 if (f->rate_emu) {
2222 int i;
2223 for (i = 0; i < f->nb_streams; i++) {
2224 InputStream *ist = input_streams[f->ist_index + i];
2225 int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
d0c09302 2226 int64_t now = av_gettime_relative() - ist->start;
b4a5a292
AK
2227 if (pts > now)
2228 return AVERROR(EAGAIN);
2229 }
2230 }
2231
47b812e9 2232#if HAVE_PTHREADS
5db5169e
AK
2233 if (nb_input_files > 1)
2234 return get_input_packet_mt(f, pkt);
2235#endif
2236 return av_read_frame(f->ctx, pkt);
2237}
2238
0b26ef42
AK
2239static int got_eagain(void)
2240{
2241 int i;
2242 for (i = 0; i < nb_input_files; i++)
2243 if (input_files[i]->eagain)
2244 return 1;
2245 return 0;
2246}
2247
2248static void reset_eagain(void)
2249{
2250 int i;
2251 for (i = 0; i < nb_input_files; i++)
2252 input_files[i]->eagain = 0;
2253}
2254
c1ef30a6 2255/*
0c00fd80
AK
2256 * Read one packet from an input file and send it for
2257 * - decoding -> lavfi (audio/video)
2258 * - decoding -> encoding -> muxing (subtitles)
2259 * - muxing (streamcopy)
2260 *
c1ef30a6 2261 * Return
0c00fd80
AK
2262 * - 0 -- one packet was read and processed
2263 * - AVERROR(EAGAIN) -- no packets were available for selected file,
2264 * this function should be called again
2265 * - AVERROR_EOF -- this function should not be called again
2266 */
2267static int process_input(void)
2268{
2269 InputFile *ifile;
2270 AVFormatContext *is;
2271 InputStream *ist;
2272 AVPacket pkt;
2273 int ret, i, j;
2274
2275 /* select the stream that we must read now */
2276 ifile = select_input_file();
2277 /* if none, if is finished */
2278 if (!ifile) {
2279 if (got_eagain()) {
2280 reset_eagain();
2281 av_usleep(10000);
2282 return AVERROR(EAGAIN);
2283 }
2284 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from.\n");
2285 return AVERROR_EOF;
2286 }
2287
2288 is = ifile->ctx;
2289 ret = get_input_packet(ifile, &pkt);
2290
2291 if (ret == AVERROR(EAGAIN)) {
2292 ifile->eagain = 1;
2293 return ret;
2294 }
2295 if (ret < 0) {
2296 if (ret != AVERROR_EOF) {
2297 print_error(is->filename, ret);
2298 if (exit_on_error)
636ced8e 2299 exit_program(1);
0c00fd80
AK
2300 }
2301 ifile->eof_reached = 1;
2302
2303 for (i = 0; i < ifile->nb_streams; i++) {
2304 ist = input_streams[ifile->ist_index + i];
2305 if (ist->decoding_needed)
aa51b049 2306 process_input_packet(ist, NULL);
0c00fd80
AK
2307
2308 /* mark all outputs that don't go through lavfi as finished */
2309 for (j = 0; j < nb_output_streams; j++) {
2310 OutputStream *ost = output_streams[j];
2311
2312 if (ost->source_index == ifile->ist_index + i &&
2313 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
48e50921 2314 finish_output_stream(ost);
0c00fd80
AK
2315 }
2316 }
2317
3c0df905 2318 return AVERROR(EAGAIN);
0c00fd80
AK
2319 }
2320
2321 reset_eagain();
2322
2323 if (do_pkt_dump) {
2324 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2325 is->streams[pkt.stream_index]);
2326 }
2327 /* the following test is needed in case new streams appear
2328 dynamically in stream : we ignore them */
2329 if (pkt.stream_index >= ifile->nb_streams)
2330 goto discard_packet;
2331
2332 ist = input_streams[ifile->ist_index + pkt.stream_index];
47543450
AK
2333
2334 ist->data_size += pkt.size;
59444c76 2335 ist->nb_packets++;
47543450 2336
0c00fd80
AK
2337 if (ist->discard)
2338 goto discard_packet;
2339
59444c76
AK
2340 /* add the stream-global side data to the first packet */
2341 if (ist->nb_packets == 1)
2342 for (i = 0; i < ist->st->nb_side_data; i++) {
2343 AVPacketSideData *src_sd = &ist->st->side_data[i];
2344 uint8_t *dst_data;
2345
2346 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
2347 continue;
16302246
MS
2348 if (ist->autorotate && src_sd->type == AV_PKT_DATA_DISPLAYMATRIX)
2349 continue;
59444c76
AK
2350
2351 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
2352 if (!dst_data)
2353 exit_program(1);
2354
2355 memcpy(dst_data, src_sd->data, src_sd->size);
2356 }
2357
0c00fd80
AK
2358 if (pkt.dts != AV_NOPTS_VALUE)
2359 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2360 if (pkt.pts != AV_NOPTS_VALUE)
2361 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2362
2363 if (pkt.pts != AV_NOPTS_VALUE)
2364 pkt.pts *= ist->ts_scale;
2365 if (pkt.dts != AV_NOPTS_VALUE)
2366 pkt.dts *= ist->ts_scale;
2367
6cfbe1de
LB
2368 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
2369 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
2370 pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
0c00fd80
AK
2371 (is->iformat->flags & AVFMT_TS_DISCONT)) {
2372 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2373 int64_t delta = pkt_dts - ist->next_dts;
2374
2375 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
2376 ifile->ts_offset -= delta;
2377 av_log(NULL, AV_LOG_DEBUG,
2378 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2379 delta, ifile->ts_offset);
2380 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2381 if (pkt.pts != AV_NOPTS_VALUE)
2382 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2383 }
2384 }
2385
9a5e4fbe 2386 process_input_packet(ist, &pkt);
0c00fd80
AK
2387
2388discard_packet:
2389 av_free_packet(&pkt);
2390
2391 return 0;
2392}
2393
eaf2d37a
AC
2394/*
2395 * The following code is the main loop of the file converter
2396 */
ea9367e9 2397static int transcode(void)
eaf2d37a 2398{
0c00fd80
AK
2399 int ret, i, need_input = 1;
2400 AVFormatContext *os;
eaf2d37a
AC
2401 OutputStream *ost;
2402 InputStream *ist;
eaf2d37a
AC
2403 int64_t timer_start;
2404
ea9367e9 2405 ret = transcode_init();
eaf2d37a
AC
2406 if (ret < 0)
2407 goto fail;
2408
e3245b26 2409 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
6291d7e4
AK
2410 term_init();
2411
d0c09302 2412 timer_start = av_gettime_relative();
6291d7e4 2413
47b812e9 2414#if HAVE_PTHREADS
5db5169e
AK
2415 if ((ret = init_input_threads()) < 0)
2416 goto fail;
2417#endif
2418
c0fbf971 2419 while (!received_sigterm) {
3b266da3 2420 /* check if there's any stream where output is still needed */
2f51ec2b
AK
2421 if (!need_output()) {
2422 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3b266da3 2423 break;
2f51ec2b 2424 }
3b266da3 2425
0c00fd80
AK
2426 /* read and process one input packet if needed */
2427 if (need_input) {
2428 ret = process_input();
2429 if (ret == AVERROR_EOF)
2430 need_input = 0;
6291d7e4
AK
2431 }
2432
0c00fd80 2433 ret = poll_filters();
6291d7e4 2434 if (ret < 0) {
22a6d48b 2435 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN)) {
6291d7e4 2436 continue;
22a6d48b
LB
2437 } else {
2438 char errbuf[128];
2439 av_strerror(ret, errbuf, sizeof(errbuf));
6291d7e4 2440
22a6d48b
LB
2441 av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
2442 break;
2443 }
6291d7e4
AK
2444 }
2445
6291d7e4 2446 /* dump report by using the output first video and audio streams */
ea9367e9 2447 print_report(0, timer_start);
6291d7e4 2448 }
47b812e9 2449#if HAVE_PTHREADS
5db5169e
AK
2450 free_input_threads();
2451#endif
6291d7e4
AK
2452
2453 /* at the end of stream, we must flush the decoder buffers */
2454 for (i = 0; i < nb_input_streams; i++) {
2e215267 2455 ist = input_streams[i];
9e8aae44 2456 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
aa51b049 2457 process_input_packet(ist, NULL);
6291d7e4
AK
2458 }
2459 }
560f7774 2460 poll_filters();
ea9367e9 2461 flush_encoders();
6291d7e4
AK
2462
2463 term_exit();
2464
2465 /* write the trailer if needed and close file */
7636c8c6 2466 for (i = 0; i < nb_output_files; i++) {
2e215267 2467 os = output_files[i]->ctx;
6291d7e4
AK
2468 av_write_trailer(os);
2469 }
2470
2471 /* dump report by using the first video and audio streams */
ea9367e9 2472 print_report(1, timer_start);
6291d7e4
AK
2473
2474 /* close each encoder */
4288e031 2475 for (i = 0; i < nb_output_streams; i++) {
2e215267 2476 ost = output_streams[i];
6291d7e4 2477 if (ost->encoding_needed) {
38313626 2478 av_freep(&ost->enc_ctx->stats_in);
6291d7e4 2479 }
6291d7e4
AK
2480 }
2481
2482 /* close each decoder */
2483 for (i = 0; i < nb_input_streams; i++) {
2e215267 2484 ist = input_streams[i];
6291d7e4 2485 if (ist->decoding_needed) {
41776ba9 2486 avcodec_close(ist->dec_ctx);
07fd0a22 2487 if (ist->hwaccel_uninit)
41776ba9 2488 ist->hwaccel_uninit(ist->dec_ctx);
6291d7e4
AK
2489 }
2490 }
2491
2492 /* finished ! */
2493 ret = 0;
2494
2495 fail:
47b812e9 2496#if HAVE_PTHREADS
5db5169e
AK
2497 free_input_threads();
2498#endif
6291d7e4 2499
4288e031
AK
2500 if (output_streams) {
2501 for (i = 0; i < nb_output_streams; i++) {
2e215267 2502 ost = output_streams[i];
6291d7e4 2503 if (ost) {
6291d7e4
AK
2504 if (ost->logfile) {
2505 fclose(ost->logfile);
2506 ost->logfile = NULL;
2507 }
6291d7e4 2508 av_free(ost->forced_kf_pts);
9580818c 2509 av_dict_free(&ost->encoder_opts);
5c7db097 2510 av_dict_free(&ost->resample_opts);
6291d7e4
AK
2511 }
2512 }
6291d7e4
AK
2513 }
2514 return ret;
2515}
2516
f5e66827 2517static int64_t getutime(void)
a2c0b830 2518{
f5e66827
AK
2519#if HAVE_GETRUSAGE
2520 struct rusage rusage;
a2c0b830 2521
f5e66827
AK
2522 getrusage(RUSAGE_SELF, &rusage);
2523 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2524#elif HAVE_GETPROCESSTIMES
2525 HANDLE proc;
2526 FILETIME c, e, k, u;
2527 proc = GetCurrentProcess();
2528 GetProcessTimes(proc, &c, &e, &k, &u);
2529 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
2530#else
d0c09302 2531 return av_gettime_relative();
f5e66827 2532#endif
a2c0b830
AK
2533}
2534
f5e66827 2535static int64_t getmaxrss(void)
6291d7e4 2536{
f5e66827
AK
2537#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
2538 struct rusage rusage;
2539 getrusage(RUSAGE_SELF, &rusage);
2540 return (int64_t)rusage.ru_maxrss * 1024;
2541#elif HAVE_GETPROCESSMEMORYINFO
2542 HANDLE proc;
2543 PROCESS_MEMORY_COUNTERS memcounters;
2544 proc = GetCurrentProcess();
2545 memcounters.cb = sizeof(memcounters);
2546 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
2547 return memcounters.PeakPagefileUsage;
2548#else
6291d7e4 2549 return 0;
f5e66827 2550#endif
6291d7e4
AK
2551}
2552
6291d7e4
AK
2553int main(int argc, char **argv)
2554{
77bd1bc7 2555 int ret;
6291d7e4
AK
2556 int64_t ti;
2557
636ced8e 2558 register_exit(avconv_cleanup);
5e3f9979 2559
6291d7e4 2560 av_log_set_flags(AV_LOG_SKIP_REPEATED);
182cbe43 2561 parse_loglevel(argc, argv, options);
6291d7e4
AK
2562
2563 avcodec_register_all();
2564#if CONFIG_AVDEVICE
2565 avdevice_register_all();
2566#endif
6291d7e4 2567 avfilter_register_all();
6291d7e4 2568 av_register_all();
776f2bb9 2569 avformat_network_init();
6291d7e4 2570
6291d7e4
AK
2571 show_banner();
2572
77bd1bc7
AK
2573 /* parse options and open all input/output files */
2574 ret = avconv_parse_options(argc, argv);
2575 if (ret < 0)
636ced8e 2576 exit_program(1);
6291d7e4 2577
7636c8c6 2578 if (nb_output_files <= 0 && nb_input_files == 0) {
6291d7e4 2579 show_usage();
e3245b26 2580 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
636ced8e 2581 exit_program(1);
6291d7e4
AK
2582 }
2583
2584 /* file converter / grab */
2585 if (nb_output_files <= 0) {
2586 fprintf(stderr, "At least one output file must be specified\n");
636ced8e 2587 exit_program(1);
6291d7e4
AK
2588 }
2589
6291d7e4 2590 ti = getutime();
ea9367e9 2591 if (transcode() < 0)
636ced8e 2592 exit_program(1);
6291d7e4
AK
2593 ti = getutime() - ti;
2594 if (do_benchmark) {
2595 int maxrss = getmaxrss() / 1024;
2596 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
2597 }
2598
636ced8e 2599 exit_program(0);
dad09ff9 2600 return 0;
6291d7e4 2601}