movenc: K&R formatting cosmetics
[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 "libavformat/avformat.h"
31#include "libavdevice/avdevice.h"
32#include "libswscale/swscale.h"
bcb82fe1 33#include "libavresample/avresample.h"
6291d7e4 34#include "libavutil/opt.h"
a903f8f0 35#include "libavutil/channel_layout.h"
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36#include "libavutil/parseutils.h"
37#include "libavutil/samplefmt.h"
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38#include "libavutil/fifo.h"
39#include "libavutil/intreadwrite.h"
40#include "libavutil/dict.h"
41#include "libavutil/mathematics.h"
42#include "libavutil/pixdesc.h"
43#include "libavutil/avstring.h"
44#include "libavutil/libm.h"
64dca32c 45#include "libavutil/imgutils.h"
896bb0d7 46#include "libavutil/time.h"
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47#include "libavformat/os_support.h"
48
6291d7e4 49# include "libavfilter/avfilter.h"
04a14d4d 50# include "libavfilter/buffersrc.h"
ac712309 51# include "libavfilter/buffersink.h"
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52
53#if HAVE_SYS_RESOURCE_H
3f65eff4 54#include <sys/time.h>
6291d7e4 55#include <sys/types.h>
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56#include <sys/resource.h>
57#elif HAVE_GETPROCESSTIMES
58#include <windows.h>
59#endif
60#if HAVE_GETPROCESSMEMORYINFO
61#include <windows.h>
62#include <psapi.h>
63#endif
64
65#if HAVE_SYS_SELECT_H
66#include <sys/select.h>
67#endif
68
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69#if HAVE_PTHREADS
70#include <pthread.h>
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71#endif
72
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73#include <time.h>
74
f5e66827 75#include "avconv.h"
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76#include "cmdutils.h"
77
78#include "libavutil/avassert.h"
79
80const char program_name[] = "avconv";
81const int program_birth_year = 2000;
82
6291d7e4 83static FILE *vstats_file;
6291d7e4 84
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85static int64_t video_size = 0;
86static int64_t audio_size = 0;
87static int64_t extra_size = 0;
88static int nb_frames_dup = 0;
89static int nb_frames_drop = 0;
6291d7e4 90
6291d7e4 91
3460dd8a 92
47b812e9 93#if HAVE_PTHREADS
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94/* signal to input threads that they should exit; set by the main thread */
95static int transcoding_finished;
96#endif
97
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98#define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
99
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100InputStream **input_streams = NULL;
101int nb_input_streams = 0;
102InputFile **input_files = NULL;
103int nb_input_files = 0;
6b779ccc 104
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105OutputStream **output_streams = NULL;
106int nb_output_streams = 0;
107OutputFile **output_files = NULL;
108int nb_output_files = 0;
6b779ccc 109
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110FilterGraph **filtergraphs;
111int nb_filtergraphs;
575ec4e1 112
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113static void term_exit(void)
114{
115 av_log(NULL, AV_LOG_QUIET, "");
116}
117
118static volatile int received_sigterm = 0;
119static volatile int received_nb_signals = 0;
120
121static void
122sigterm_handler(int sig)
123{
124 received_sigterm = sig;
125 received_nb_signals++;
126 term_exit();
127}
128
129static void term_init(void)
130{
7636c8c6 131 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
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132 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
133#ifdef SIGXCPU
134 signal(SIGXCPU, sigterm_handler);
135#endif
136}
137
2abe947a 138static int decode_interrupt_cb(void *ctx)
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139{
140 return received_nb_signals > 1;
141}
142
f5e66827 143const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
2abe947a 144
8be5b0d6 145static void exit_program(void)
6291d7e4 146{
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147 int i, j;
148
149 for (i = 0; i < nb_filtergraphs; i++) {
150 avfilter_graph_free(&filtergraphs[i]->graph);
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151 for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
152 av_freep(&filtergraphs[i]->inputs[j]->name);
560f7774 153 av_freep(&filtergraphs[i]->inputs[j]);
cf6c38c6 154 }
560f7774 155 av_freep(&filtergraphs[i]->inputs);
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156 for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
157 av_freep(&filtergraphs[i]->outputs[j]->name);
560f7774 158 av_freep(&filtergraphs[i]->outputs[j]);
cf6c38c6 159 }
560f7774 160 av_freep(&filtergraphs[i]->outputs);
a4208b9b 161 av_freep(&filtergraphs[i]->graph_desc);
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162 av_freep(&filtergraphs[i]);
163 }
164 av_freep(&filtergraphs);
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165
166 /* close files */
7636c8c6 167 for (i = 0; i < nb_output_files; i++) {
2e215267 168 AVFormatContext *s = output_files[i]->ctx;
274e134e 169 if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE) && s->pb)
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170 avio_close(s->pb);
171 avformat_free_context(s);
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172 av_dict_free(&output_files[i]->opts);
173 av_freep(&output_files[i]);
6291d7e4 174 }
1135a071 175 for (i = 0; i < nb_output_streams; i++) {
2e215267 176 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
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177 while (bsfc) {
178 AVBitStreamFilterContext *next = bsfc->next;
179 av_bitstream_filter_close(bsfc);
180 bsfc = next;
181 }
2e215267 182 output_streams[i]->bitstream_filters = NULL;
11d1ca4b 183 avcodec_free_frame(&output_streams[i]->filtered_frame);
ac646076 184
19ad5673 185 av_freep(&output_streams[i]->forced_keyframes);
2e215267 186 av_freep(&output_streams[i]->avfilter);
bbcedade 187 av_freep(&output_streams[i]->logfile_prefix);
2e215267 188 av_freep(&output_streams[i]);
1135a071 189 }
7636c8c6 190 for (i = 0; i < nb_input_files; i++) {
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191 avformat_close_input(&input_files[i]->ctx);
192 av_freep(&input_files[i]);
6291d7e4 193 }
9179f27c 194 for (i = 0; i < nb_input_streams; i++) {
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195 av_frame_free(&input_streams[i]->decoded_frame);
196 av_frame_free(&input_streams[i]->filter_frame);
2e215267 197 av_dict_free(&input_streams[i]->opts);
560f7774 198 av_freep(&input_streams[i]->filters);
2e215267 199 av_freep(&input_streams[i]);
9179f27c 200 }
6291d7e4 201
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202 if (vstats_file)
203 fclose(vstats_file);
204 av_free(vstats_filename);
205
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206 av_freep(&input_streams);
207 av_freep(&input_files);
4288e031 208 av_freep(&output_streams);
af70aa45 209 av_freep(&output_files);
6291d7e4 210
6291d7e4 211 uninit_opts();
6291d7e4 212
776f2bb9 213 avformat_network_deinit();
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214
215 if (received_sigterm) {
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216 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
217 (int) received_sigterm);
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218 exit (255);
219 }
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220}
221
f5e66827 222void assert_avoptions(AVDictionary *m)
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223{
224 AVDictionaryEntry *t;
225 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
f24facd3 226 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
5e3f9979 227 exit(1);
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228 }
229}
230
c854102d 231static void abort_codec_experimental(AVCodec *c, int encoder)
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232{
233 const char *codec_string = encoder ? "encoder" : "decoder";
234 AVCodec *codec;
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235 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
236 "results.\nAdd '-strict experimental' if you want to use it.\n",
237 codec_string, c->name);
238 codec = encoder ? avcodec_find_encoder(c->id) : avcodec_find_decoder(c->id);
239 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
240 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
241 codec_string, codec->name);
242 exit(1);
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243}
244
c1ef30a6 245/*
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246 * Update the requested input sample format based on the output sample format.
247 * This is currently only used to request float output from decoders which
248 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
249 * Ideally this will be removed in the future when decoders do not do format
250 * conversion and only output in their native format.
251 */
252static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
253 AVCodecContext *enc)
254{
255 /* if sample formats match or a decoder sample format has already been
256 requested, just return */
257 if (enc->sample_fmt == dec->sample_fmt ||
258 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
259 return;
260
261 /* if decoder supports more than one output format */
262 if (dec_codec && dec_codec->sample_fmts &&
263 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
264 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
265 const enum AVSampleFormat *p;
fd41cb43
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266 int min_dec = INT_MAX, min_inc = INT_MAX;
267 enum AVSampleFormat dec_fmt = AV_SAMPLE_FMT_NONE;
268 enum AVSampleFormat inc_fmt = AV_SAMPLE_FMT_NONE;
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269
270 /* find a matching sample format in the encoder */
271 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
272 if (*p == enc->sample_fmt) {
273 dec->request_sample_fmt = *p;
274 return;
fd41cb43
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275 } else {
276 enum AVSampleFormat dfmt = av_get_packed_sample_fmt(*p);
277 enum AVSampleFormat efmt = av_get_packed_sample_fmt(enc->sample_fmt);
278 int fmt_diff = 32 * abs(dfmt - efmt);
279 if (av_sample_fmt_is_planar(*p) !=
280 av_sample_fmt_is_planar(enc->sample_fmt))
281 fmt_diff++;
282 if (dfmt == efmt) {
283 min_inc = fmt_diff;
284 inc_fmt = *p;
285 } else if (dfmt > efmt) {
286 if (fmt_diff < min_inc) {
287 min_inc = fmt_diff;
288 inc_fmt = *p;
289 }
290 } else {
291 if (fmt_diff < min_dec) {
292 min_dec = fmt_diff;
293 dec_fmt = *p;
294 }
295 }
296 }
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297 }
298
299 /* if none match, provide the one that matches quality closest */
fd41cb43 300 dec->request_sample_fmt = min_inc != INT_MAX ? inc_fmt : dec_fmt;
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301 }
302}
303
f15f02c2 304static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
7636c8c6 305{
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306 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
307 AVCodecContext *avctx = ost->st->codec;
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308 int ret;
309
99932847
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310 /*
311 * Audio encoders may split the packets -- #frames in != #packets out.
312 * But there is no reordering, so we can limit the number of output packets
313 * by simply dropping them here.
314 * Counting encoded video frames needs to be done separately because of
315 * reordering, see do_video_out()
316 */
317 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
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318 if (ost->frame_number >= ost->max_frames) {
319 av_free_packet(pkt);
99932847 320 return;
c9594fe0 321 }
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322 ost->frame_number++;
323 }
324
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325 while (bsfc) {
326 AVPacket new_pkt = *pkt;
327 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
328 &new_pkt.data, &new_pkt.size,
329 pkt->data, pkt->size,
330 pkt->flags & AV_PKT_FLAG_KEY);
331 if (a > 0) {
6291d7e4 332 av_free_packet(pkt);
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333 new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
334 av_buffer_default_free, NULL, 0);
335 if (!new_pkt.buf)
336 exit(1);
7636c8c6 337 } else if (a < 0) {
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338 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
339 bsfc->filter->name, pkt->stream_index,
340 avctx->codec ? avctx->codec->name : "copy");
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341 print_error("", a);
342 if (exit_on_error)
5e3f9979 343 exit(1);
6291d7e4 344 }
7636c8c6 345 *pkt = new_pkt;
6291d7e4 346
7636c8c6 347 bsfc = bsfc->next;
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348 }
349
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350 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS) &&
351 ost->last_mux_dts != AV_NOPTS_VALUE &&
352 pkt->dts < ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT)) {
353 av_log(NULL, AV_LOG_WARNING, "Non-monotonous DTS in output stream "
354 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
355 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
356 if (exit_on_error) {
357 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
358 exit(1);
359 }
360 av_log(NULL, AV_LOG_WARNING, "changing to %"PRId64". This may result "
361 "in incorrect timestamps in the output file.\n",
362 ost->last_mux_dts + 1);
363 pkt->dts = ost->last_mux_dts + 1;
364 if (pkt->pts != AV_NOPTS_VALUE)
365 pkt->pts = FFMAX(pkt->pts, pkt->dts);
366 }
367 ost->last_mux_dts = pkt->dts;
368
61a09968 369 pkt->stream_index = ost->index;
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370 ret = av_interleaved_write_frame(s, pkt);
371 if (ret < 0) {
6291d7e4 372 print_error("av_interleaved_write_frame()", ret);
5e3f9979 373 exit(1);
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374 }
375}
376
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377static int check_recording_time(OutputStream *ost)
378{
2e215267 379 OutputFile *of = output_files[ost->file_index];
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380
381 if (of->recording_time != INT64_MAX &&
382 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
383 AV_TIME_BASE_Q) >= 0) {
57d24225 384 ost->finished = 1;
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385 return 0;
386 }
387 return 1;
388}
389
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390static void do_audio_out(AVFormatContext *s, OutputStream *ost,
391 AVFrame *frame)
ee458cb1
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392{
393 AVCodecContext *enc = ost->st->codec;
ee458cb1 394 AVPacket pkt;
369cb092 395 int got_packet = 0;
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396
397 av_init_packet(&pkt);
398 pkt.data = NULL;
399 pkt.size = 0;
400
369cb092 401 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
9b9fc9ba 402 frame->pts = ost->sync_opts;
369cb092 403 ost->sync_opts = frame->pts + frame->nb_samples;
ee458cb1 404
ee458cb1
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405 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
406 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
5e3f9979 407 exit(1);
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408 }
409
410 if (got_packet) {
ee458cb1
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411 if (pkt.pts != AV_NOPTS_VALUE)
412 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
a75bc764
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413 if (pkt.dts != AV_NOPTS_VALUE)
414 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
ee458cb1
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415 if (pkt.duration > 0)
416 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
417
418 write_frame(s, &pkt, ost);
419
420 audio_size += pkt.size;
421 }
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422}
423
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424static void do_subtitle_out(AVFormatContext *s,
425 OutputStream *ost,
426 InputStream *ist,
427 AVSubtitle *sub,
428 int64_t pts)
429{
430 static uint8_t *subtitle_out = NULL;
431 int subtitle_out_max_size = 1024 * 1024;
432 int subtitle_out_size, nb, i;
433 AVCodecContext *enc;
434 AVPacket pkt;
435
436 if (pts == AV_NOPTS_VALUE) {
e3245b26 437 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
6291d7e4 438 if (exit_on_error)
5e3f9979 439 exit(1);
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440 return;
441 }
442
443 enc = ost->st->codec;
444
445 if (!subtitle_out) {
446 subtitle_out = av_malloc(subtitle_out_max_size);
447 }
448
449 /* Note: DVB subtitle need one packet to draw them and one other
450 packet to clear them */
451 /* XXX: signal it in the codec context ? */
36ef5369 452 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
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453 nb = 2;
454 else
455 nb = 1;
456
7636c8c6 457 for (i = 0; i < nb; i++) {
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458 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
459 if (!check_recording_time(ost))
460 return;
461
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462 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
463 // start_display_time is required to be 0
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464 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
465 sub->end_display_time -= sub->start_display_time;
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466 sub->start_display_time = 0;
467 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
468 subtitle_out_max_size, sub);
469 if (subtitle_out_size < 0) {
e3245b26 470 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
5e3f9979 471 exit(1);
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472 }
473
474 av_init_packet(&pkt);
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475 pkt.data = subtitle_out;
476 pkt.size = subtitle_out_size;
7636c8c6 477 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
36ef5369 478 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
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479 /* XXX: the pts correction is handled here. Maybe handling
480 it in the codec would be better */
481 if (i == 0)
482 pkt.pts += 90 * sub->start_display_time;
483 else
484 pkt.pts += 90 * sub->end_display_time;
485 }
f15f02c2 486 write_frame(s, &pkt, ost);
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487 }
488}
489
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490static void do_video_out(AVFormatContext *s,
491 OutputStream *ost,
87ef060c 492 AVFrame *in_picture,
fb722a90 493 int *frame_size)
87ef060c 494{
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495 int ret, format_video_sync;
496 AVPacket pkt;
497 AVCodecContext *enc = ost->st->codec;
87ef060c
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498
499 *frame_size = 0;
500
553735f5 501 format_video_sync = video_sync_method;
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502 if (format_video_sync == VSYNC_AUTO)
503 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
504 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
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505 if (format_video_sync != VSYNC_PASSTHROUGH &&
506 ost->frame_number &&
507 in_picture->pts != AV_NOPTS_VALUE &&
508 in_picture->pts < ost->sync_opts) {
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509 nb_frames_drop++;
510 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
87ef060c 511 return;
d43040e2 512 }
87ef060c 513
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514 if (in_picture->pts == AV_NOPTS_VALUE)
515 in_picture->pts = ost->sync_opts;
516 ost->sync_opts = in_picture->pts;
517
518
1270e12e 519 if (!ost->frame_number)
74b961db 520 ost->first_pts = in_picture->pts;
1270e12e 521
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522 av_init_packet(&pkt);
523 pkt.data = NULL;
524 pkt.size = 0;
6291d7e4 525
a83c0da5 526 if (ost->frame_number >= ost->max_frames)
39885a4b 527 return;
1270e12e 528
39885a4b 529 if (s->oformat->flags & AVFMT_RAWPICTURE &&
36ef5369 530 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
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531 /* raw pictures are written as AVPicture structure to
532 avoid any copies. We support temporarily the older
533 method. */
534 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
535 enc->coded_frame->top_field_first = in_picture->top_field_first;
536 pkt.data = (uint8_t *)in_picture;
537 pkt.size = sizeof(AVPicture);
538 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
539 pkt.flags |= AV_PKT_FLAG_KEY;
6291d7e4 540
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541 write_frame(s, &pkt, ost);
542 } else {
543 int got_packet;
6291d7e4 544
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545 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
546 ost->top_field_first >= 0)
547 in_picture->top_field_first = !!ost->top_field_first;
548
549 in_picture->quality = ost->st->codec->global_quality;
39885a4b 550 if (!enc->me_threshold)
9b2dc295 551 in_picture->pict_type = 0;
39885a4b 552 if (ost->forced_kf_index < ost->forced_kf_count &&
9b2dc295
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553 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
554 in_picture->pict_type = AV_PICTURE_TYPE_I;
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555 ost->forced_kf_index++;
556 }
9b2dc295 557 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
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558 if (ret < 0) {
559 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
5e3f9979 560 exit(1);
39885a4b 561 }
6291d7e4 562
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AK
563 if (got_packet) {
564 if (pkt.pts != AV_NOPTS_VALUE)
565 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
566 if (pkt.dts != AV_NOPTS_VALUE)
567 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
6291d7e4 568
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569 write_frame(s, &pkt, ost);
570 *frame_size = pkt.size;
571 video_size += pkt.size;
324fbadf 572
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573 /* if two pass, output log */
574 if (ost->logfile && enc->stats_out) {
575 fprintf(ost->logfile, "%s", enc->stats_out);
6291d7e4
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576 }
577 }
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578 }
579 ost->sync_opts++;
580 /*
581 * For video, number of frames in == number of packets out.
582 * But there may be reordering, so we can't throw away frames on encoder
583 * flush, we need to limit them here, before they go into encoder.
584 */
585 ost->frame_number++;
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586}
587
7636c8c6
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588static double psnr(double d)
589{
590 return -10.0 * log(d) / log(10.0);
6291d7e4
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591}
592
70478746 593static void do_video_stats(OutputStream *ost, int frame_size)
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594{
595 AVCodecContext *enc;
596 int frame_number;
597 double ti1, bitrate, avg_bitrate;
598
599 /* this is executed just the first time do_video_stats is called */
600 if (!vstats_file) {
601 vstats_file = fopen(vstats_filename, "w");
602 if (!vstats_file) {
603 perror("fopen");
5e3f9979 604 exit(1);
6291d7e4
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605 }
606 }
607
608 enc = ost->st->codec;
609 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
610 frame_number = ost->frame_number;
7636c8c6 611 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
6291d7e4 612 if (enc->flags&CODEC_FLAG_PSNR)
7636c8c6 613 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
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614
615 fprintf(vstats_file,"f_size= %6d ", frame_size);
616 /* compute pts value */
617 ti1 = ost->sync_opts * av_q2d(enc->time_base);
618 if (ti1 < 0.01)
619 ti1 = 0.01;
620
7636c8c6 621 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
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622 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
623 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
7636c8c6 624 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
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625 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
626 }
627}
628
c1ef30a6 629/*
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630 * Read one frame for lavfi output for ost and encode it.
631 */
632static int poll_filter(OutputStream *ost)
560f7774 633{
a4f50110 634 OutputFile *of = output_files[ost->file_index];
560f7774 635 AVFrame *filtered_frame = NULL;
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636 int frame_size, ret;
637
638 if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
639 return AVERROR(ENOMEM);
640 } else
641 avcodec_get_frame_defaults(ost->filtered_frame);
642 filtered_frame = ost->filtered_frame;
643
644 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
645 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
9b2dc295 646 ret = av_buffersink_get_samples(ost->filter->filter, filtered_frame,
a4f50110
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647 ost->st->codec->frame_size);
648 else
9b2dc295 649 ret = av_buffersink_get_frame(ost->filter->filter, filtered_frame);
369cb092 650
a4f50110
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651 if (ret < 0)
652 return ret;
560f7774 653
9b2dc295
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654 if (filtered_frame->pts != AV_NOPTS_VALUE) {
655 filtered_frame->pts = av_rescale_q(filtered_frame->pts,
a4f50110
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656 ost->filter->filter->inputs[0]->time_base,
657 ost->st->codec->time_base) -
658 av_rescale_q(of->start_time,
659 AV_TIME_BASE_Q,
660 ost->st->codec->time_base);
560f7774 661 }
a4f50110
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662
663 switch (ost->filter->filter->inputs[0]->type) {
664 case AVMEDIA_TYPE_VIDEO:
665 if (!ost->frame_aspect_ratio)
9b2dc295 666 ost->st->codec->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
a4f50110 667
fb722a90 668 do_video_out(of->ctx, ost, filtered_frame, &frame_size);
a4f50110 669 if (vstats_filename && frame_size)
70478746 670 do_video_stats(ost, frame_size);
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671 break;
672 case AVMEDIA_TYPE_AUDIO:
673 do_audio_out(of->ctx, ost, filtered_frame);
674 break;
675 default:
676 // TODO support subtitle filters
677 av_assert0(0);
678 }
679
9b2dc295 680 av_frame_unref(filtered_frame);
a4f50110 681
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682 return 0;
683}
684
c1ef30a6 685/*
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686 * Read as many frames from possible from lavfi and encode them.
687 *
688 * Always read from the active stream with the lowest timestamp. If no frames
689 * are available for it then return EAGAIN and wait for more input. This way we
690 * can use lavfi sources that generate unlimited amount of frames without memory
691 * usage exploding.
692 */
693static int poll_filters(void)
694{
3c0df905 695 int i, j, ret = 0;
a4f50110
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696
697 while (ret >= 0 && !received_sigterm) {
698 OutputStream *ost = NULL;
699 int64_t min_pts = INT64_MAX;
700
701 /* choose output stream with the lowest timestamp */
702 for (i = 0; i < nb_output_streams; i++) {
703 int64_t pts = output_streams[i]->sync_opts;
704
57d24225 705 if (!output_streams[i]->filter || output_streams[i]->finished)
a4f50110
AK
706 continue;
707
708 pts = av_rescale_q(pts, output_streams[i]->st->codec->time_base,
709 AV_TIME_BASE_Q);
710 if (pts < min_pts) {
711 min_pts = pts;
712 ost = output_streams[i];
713 }
714 }
715
716 if (!ost)
717 break;
718
719 ret = poll_filter(ost);
720
721 if (ret == AVERROR_EOF) {
3c0df905
AK
722 OutputFile *of = output_files[ost->file_index];
723
57d24225 724 ost->finished = 1;
a4f50110 725
3c0df905
AK
726 if (of->shortest) {
727 for (j = 0; j < of->ctx->nb_streams; j++)
728 output_streams[of->ost_index + j]->finished = 1;
729 }
a4f50110
AK
730
731 ret = 0;
732 } else if (ret == AVERROR(EAGAIN))
733 return 0;
734 }
735
736 return ret;
737}
738
ea9367e9 739static void print_report(int is_last_report, int64_t timer_start)
6291d7e4
AK
740{
741 char buf[1024];
742 OutputStream *ost;
743 AVFormatContext *oc;
744 int64_t total_size;
745 AVCodecContext *enc;
746 int frame_number, vid, i;
747 double bitrate, ti1, pts;
748 static int64_t last_time = -1;
749 static int qp_histogram[52];
750
3460dd8a
AK
751 if (!print_stats && !is_last_report)
752 return;
753
6291d7e4
AK
754 if (!is_last_report) {
755 int64_t cur_time;
756 /* display the report every 0.5 seconds */
757 cur_time = av_gettime();
758 if (last_time == -1) {
759 last_time = cur_time;
760 return;
761 }
762 if ((cur_time - last_time) < 500000)
763 return;
764 last_time = cur_time;
765 }
766
767
2e215267 768 oc = output_files[0]->ctx;
6291d7e4
AK
769
770 total_size = avio_size(oc->pb);
1b891d17 771 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
7636c8c6 772 total_size = avio_tell(oc->pb);
1b891d17
JG
773 if (total_size < 0) {
774 char errbuf[128];
775 av_strerror(total_size, errbuf, sizeof(errbuf));
776 av_log(NULL, AV_LOG_VERBOSE, "Bitrate not available, "
777 "avio_tell() failed: %s\n", errbuf);
778 total_size = 0;
779 }
6291d7e4
AK
780
781 buf[0] = '\0';
782 ti1 = 1e10;
783 vid = 0;
ea9367e9 784 for (i = 0; i < nb_output_streams; i++) {
6291d7e4 785 float q = -1;
2e215267 786 ost = output_streams[i];
6291d7e4 787 enc = ost->st->codec;
3d813e4c 788 if (!ost->stream_copy && enc->coded_frame)
7636c8c6 789 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
6291d7e4
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790 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
791 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
792 }
793 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
7636c8c6 794 float t = (av_gettime() - timer_start) / 1000000.0;
6291d7e4
AK
795
796 frame_number = ost->frame_number;
797 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
7636c8c6
AD
798 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
799 if (is_last_report)
6291d7e4 800 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
7636c8c6 801 if (qp_hist) {
6291d7e4
AK
802 int j;
803 int qp = lrintf(q);
7636c8c6 804 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
6291d7e4 805 qp_histogram[qp]++;
7636c8c6 806 for (j = 0; j < 32; j++)
d752509b 807 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
6291d7e4 808 }
7636c8c6 809 if (enc->flags&CODEC_FLAG_PSNR) {
6291d7e4 810 int j;
7636c8c6
AD
811 double error, error_sum = 0;
812 double scale, scale_sum = 0;
813 char type[3] = { 'Y','U','V' };
6291d7e4 814 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
7636c8c6
AD
815 for (j = 0; j < 3; j++) {
816 if (is_last_report) {
817 error = enc->error[j];
818 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
819 } else {
820 error = enc->coded_frame->error[j];
821 scale = enc->width * enc->height * 255.0 * 255.0;
6291d7e4 822 }
7636c8c6
AD
823 if (j)
824 scale /= 4;
6291d7e4
AK
825 error_sum += error;
826 scale_sum += scale;
7636c8c6 827 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
6291d7e4 828 }
7636c8c6 829 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
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AK
830 }
831 vid = 1;
832 }
833 /* compute min output value */
834 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
835 if ((pts < ti1) && (pts > 0))
836 ti1 = pts;
837 }
838 if (ti1 < 0.01)
839 ti1 = 0.01;
840
e3245b26 841 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
6291d7e4 842
e3245b26 843 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
6291d7e4
AK
844 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
845 (double)total_size / 1024, ti1, bitrate);
846
e3245b26
AK
847 if (nb_frames_dup || nb_frames_drop)
848 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
849 nb_frames_dup, nb_frames_drop);
6291d7e4 850
f5646a32 851 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
6291d7e4 852
e3245b26 853 fflush(stderr);
6291d7e4 854
e3245b26 855 if (is_last_report) {
6291d7e4 856 int64_t raw= audio_size + video_size + extra_size;
e3245b26
AK
857 av_log(NULL, AV_LOG_INFO, "\n");
858 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
7636c8c6
AD
859 video_size / 1024.0,
860 audio_size / 1024.0,
861 extra_size / 1024.0,
862 100.0 * (total_size - raw) / raw
6291d7e4
AK
863 );
864 }
865}
866
ea9367e9 867static void flush_encoders(void)
4a4ce2e7
AK
868{
869 int i, ret;
870
ea9367e9 871 for (i = 0; i < nb_output_streams; i++) {
2e215267 872 OutputStream *ost = output_streams[i];
6f1c66d5 873 AVCodecContext *enc = ost->st->codec;
2e215267 874 AVFormatContext *os = output_files[ost->file_index]->ctx;
ee458cb1 875 int stop_encoding = 0;
6f1c66d5 876
b62b5cb6 877 if (!ost->encoding_needed)
6f1c66d5
AK
878 continue;
879
7636c8c6 880 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
6f1c66d5 881 continue;
36ef5369 882 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
6f1c66d5
AK
883 continue;
884
7636c8c6 885 for (;;) {
369cb092
AK
886 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
887 const char *desc;
888 int64_t *size;
6f1c66d5
AK
889
890 switch (ost->st->codec->codec_type) {
891 case AVMEDIA_TYPE_AUDIO:
369cb092
AK
892 encode = avcodec_encode_audio2;
893 desc = "Audio";
894 size = &audio_size;
6f1c66d5
AK
895 break;
896 case AVMEDIA_TYPE_VIDEO:
369cb092
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897 encode = avcodec_encode_video2;
898 desc = "Video";
899 size = &video_size;
900 break;
901 default:
902 stop_encoding = 1;
903 }
904
905 if (encode) {
906 AVPacket pkt;
907 int got_packet;
908 av_init_packet(&pkt);
909 pkt.data = NULL;
910 pkt.size = 0;
911
912 ret = encode(enc, &pkt, NULL, &got_packet);
6f1c66d5 913 if (ret < 0) {
369cb092 914 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
5e3f9979 915 exit(1);
6f1c66d5 916 }
369cb092 917 *size += ret;
6f1c66d5
AK
918 if (ost->logfile && enc->stats_out) {
919 fprintf(ost->logfile, "%s", enc->stats_out);
920 }
8e37038a 921 if (!got_packet) {
ee458cb1
JR
922 stop_encoding = 1;
923 break;
924 }
8e37038a
AK
925 if (pkt.pts != AV_NOPTS_VALUE)
926 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
927 if (pkt.dts != AV_NOPTS_VALUE)
928 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
3ba41640
JR
929 if (pkt.duration > 0)
930 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
ee458cb1 931 write_frame(os, &pkt, ost);
4a4ce2e7 932 }
369cb092 933
ee458cb1 934 if (stop_encoding)
6f1c66d5 935 break;
4a4ce2e7
AK
936 }
937 }
938}
939
7204ec1a
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940/*
941 * Check whether a packet from ist should be written into ost at this time
942 */
943static int check_output_constraints(InputStream *ist, OutputStream *ost)
944{
2e215267
AK
945 OutputFile *of = output_files[ost->file_index];
946 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
7204ec1a
AK
947
948 if (ost->source_index != ist_index)
949 return 0;
950
23576b3f 951 if (of->start_time && ist->last_dts < of->start_time)
7204ec1a
AK
952 return 0;
953
7204ec1a
AK
954 return 1;
955}
956
957static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
958{
2e215267 959 OutputFile *of = output_files[ost->file_index];
7204ec1a
AK
960 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
961 AVPacket opkt;
962
963 av_init_packet(&opkt);
964
965 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
966 !ost->copy_initial_nonkeyframes)
967 return;
968
1270e12e 969 if (of->recording_time != INT64_MAX &&
23576b3f 970 ist->last_dts >= of->recording_time + of->start_time) {
57d24225 971 ost->finished = 1;
1270e12e
AK
972 return;
973 }
974
7204ec1a
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975 /* force the input stream PTS */
976 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
977 audio_size += pkt->size;
978 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
979 video_size += pkt->size;
980 ost->sync_opts++;
981 }
982
7204ec1a
AK
983 if (pkt->pts != AV_NOPTS_VALUE)
984 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
985 else
986 opkt.pts = AV_NOPTS_VALUE;
987
988 if (pkt->dts == AV_NOPTS_VALUE)
23576b3f 989 opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base);
7204ec1a
AK
990 else
991 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
992 opkt.dts -= ost_tb_start_time;
993
994 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
995 opkt.flags = pkt->flags;
996
7636c8c6 997 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
36ef5369
AK
998 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
999 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1000 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1001 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
7204ec1a 1002 ) {
9b2dc295
AK
1003 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY)) {
1004 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1005 if (!opkt.buf)
1006 exit(1);
1007 }
7204ec1a
AK
1008 } else {
1009 opkt.data = pkt->data;
1010 opkt.size = pkt->size;
1011 }
1012
f15f02c2 1013 write_frame(of->ctx, &opkt, ost);
7204ec1a 1014 ost->st->codec->frame_number++;
7204ec1a
AK
1015}
1016
f5e66827 1017int guess_input_channel_layout(InputStream *ist)
369cb092
AK
1018{
1019 AVCodecContext *dec = ist->st->codec;
1020
1021 if (!dec->channel_layout) {
1022 char layout_name[256];
1023
1024 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1025 if (!dec->channel_layout)
1026 return 0;
1027 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1028 dec->channels, dec->channel_layout);
1029 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1030 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1031 }
1032 return 1;
1033}
1034
0629f612 1035static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
ded28ba3 1036{
9b2dc295 1037 AVFrame *decoded_frame, *f;
d1241ff3 1038 AVCodecContext *avctx = ist->st->codec;
9b2dc295 1039 int i, ret, err = 0, resample_changed;
ded28ba3 1040
9179f27c 1041 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
d1241ff3 1042 return AVERROR(ENOMEM);
9b2dc295
AK
1043 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1044 return AVERROR(ENOMEM);
9179f27c 1045 decoded_frame = ist->decoded_frame;
ded28ba3 1046
d1241ff3 1047 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
f154ef1a
AK
1048 if (!*got_output || ret < 0) {
1049 if (!pkt->size) {
369cb092 1050 for (i = 0; i < ist->nb_filters; i++)
9b2dc295 1051 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
f154ef1a 1052 }
af8ad892 1053 return ret;
ded28ba3
AK
1054 }
1055
d1241ff3
JR
1056 /* if the decoder provides a pts, use it instead of the last packet pts.
1057 the decoder could be delaying output by a packet or more. */
1058 if (decoded_frame->pts != AV_NOPTS_VALUE)
3101bb66 1059 ist->next_dts = decoded_frame->pts;
369cb092
AK
1060 else if (pkt->pts != AV_NOPTS_VALUE) {
1061 decoded_frame->pts = pkt->pts;
1062 pkt->pts = AV_NOPTS_VALUE;
1063 }
ded28ba3 1064
369cb092
AK
1065 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1066 ist->resample_channels != avctx->channels ||
1067 ist->resample_channel_layout != decoded_frame->channel_layout ||
1068 ist->resample_sample_rate != decoded_frame->sample_rate;
1069 if (resample_changed) {
1070 char layout1[64], layout2[64];
ded28ba3 1071
369cb092
AK
1072 if (!guess_input_channel_layout(ist)) {
1073 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1074 "layout for Input Stream #%d.%d\n", ist->file_index,
1075 ist->st->index);
5e3f9979 1076 exit(1);
369cb092
AK
1077 }
1078 decoded_frame->channel_layout = avctx->channel_layout;
1079
1080 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1081 ist->resample_channel_layout);
1082 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1083 decoded_frame->channel_layout);
1084
1085 av_log(NULL, AV_LOG_INFO,
1086 "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",
1087 ist->file_index, ist->st->index,
1088 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1089 ist->resample_channels, layout1,
1090 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1091 avctx->channels, layout2);
1092
1093 ist->resample_sample_fmt = decoded_frame->format;
1094 ist->resample_sample_rate = decoded_frame->sample_rate;
1095 ist->resample_channel_layout = decoded_frame->channel_layout;
1096 ist->resample_channels = avctx->channels;
1097
1098 for (i = 0; i < nb_filtergraphs; i++)
1099 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1100 configure_filtergraph(filtergraphs[i]) < 0) {
1101 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
5e3f9979 1102 exit(1);
369cb092 1103 }
ded28ba3 1104 }
110d2af2 1105
715129cd
MS
1106 if (decoded_frame->pts != AV_NOPTS_VALUE)
1107 decoded_frame->pts = av_rescale_q(decoded_frame->pts,
1108 ist->st->time_base,
1109 (AVRational){1, ist->st->codec->sample_rate});
9b2dc295
AK
1110 for (i = 0; i < ist->nb_filters; i++) {
1111 if (i < ist->nb_filters - 1) {
1112 f = ist->filter_frame;
1113 err = av_frame_ref(f, decoded_frame);
1114 if (err < 0)
1115 break;
1116 } else
1117 f = decoded_frame;
369cb092 1118
9b2dc295
AK
1119 err = av_buffersrc_add_frame(ist->filters[i]->filter, f);
1120 if (err < 0)
1121 break;
1122 }
1123
1124 av_frame_unref(ist->filter_frame);
1125 av_frame_unref(decoded_frame);
1126 return err < 0 ? err : ret;
ded28ba3
AK
1127}
1128
0629f612 1129static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
45d4b66f 1130{
9b2dc295 1131 AVFrame *decoded_frame, *f;
45d4b66f 1132 void *buffer_to_free = NULL;
9b2dc295 1133 int i, ret = 0, err = 0, resample_changed;
45d4b66f 1134
9b2dc295
AK
1135 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1136 return AVERROR(ENOMEM);
1137 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
45d4b66f 1138 return AVERROR(ENOMEM);
9179f27c 1139 decoded_frame = ist->decoded_frame;
45d4b66f
AK
1140
1141 ret = avcodec_decode_video2(ist->st->codec,
1142 decoded_frame, got_output, pkt);
f154ef1a
AK
1143 if (!*got_output || ret < 0) {
1144 if (!pkt->size) {
89605e4a 1145 for (i = 0; i < ist->nb_filters; i++)
9b2dc295 1146 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
f154ef1a 1147 }
af8ad892 1148 return ret;
45d4b66f 1149 }
f154ef1a 1150
b34856a1
AK
1151 decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1152 decoded_frame->pkt_dts);
45d4b66f 1153 pkt->size = 0;
45d4b66f 1154
695ec04e
AK
1155 if (ist->st->sample_aspect_ratio.num)
1156 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1157
e77c8662
AK
1158 resample_changed = ist->resample_width != decoded_frame->width ||
1159 ist->resample_height != decoded_frame->height ||
1160 ist->resample_pix_fmt != decoded_frame->format;
1161 if (resample_changed) {
1162 av_log(NULL, AV_LOG_INFO,
1163 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1164 ist->file_index, ist->st->index,
1165 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1166 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1167
2f34021d
JG
1168 ret = poll_filters();
1169 if (ret < 0 && (ret != AVERROR_EOF && ret != AVERROR(EAGAIN)))
1170 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
1171
e77c8662
AK
1172 ist->resample_width = decoded_frame->width;
1173 ist->resample_height = decoded_frame->height;
1174 ist->resample_pix_fmt = decoded_frame->format;
e77c8662 1175
3b266da3
AK
1176 for (i = 0; i < nb_filtergraphs; i++)
1177 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1178 configure_filtergraph(filtergraphs[i]) < 0) {
ac646076 1179 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
5e3f9979 1180 exit(1);
3b266da3
AK
1181 }
1182 }
ac646076 1183
3b266da3 1184 for (i = 0; i < ist->nb_filters; i++) {
9b2dc295
AK
1185 if (i < ist->nb_filters - 1) {
1186 f = ist->filter_frame;
1187 err = av_frame_ref(f, decoded_frame);
1188 if (err < 0)
1189 break;
04a14d4d 1190 } else
9b2dc295
AK
1191 f = decoded_frame;
1192
1193 err = av_buffersrc_add_frame(ist->filters[i]->filter, f);
1194 if (err < 0)
1195 break;
45d4b66f
AK
1196 }
1197
9b2dc295
AK
1198 av_frame_unref(ist->filter_frame);
1199 av_frame_unref(decoded_frame);
45d4b66f 1200 av_free(buffer_to_free);
9b2dc295 1201 return err < 0 ? err : ret;
45d4b66f
AK
1202}
1203
9595234c
AK
1204static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1205{
1206 AVSubtitle subtitle;
1207 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1208 &subtitle, got_output, pkt);
1209 if (ret < 0)
1210 return ret;
1211 if (!*got_output)
af8ad892 1212 return ret;
9595234c 1213
9595234c 1214 for (i = 0; i < nb_output_streams; i++) {
2e215267 1215 OutputStream *ost = output_streams[i];
9595234c
AK
1216
1217 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1218 continue;
1219
2e215267 1220 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
9595234c
AK
1221 }
1222
1223 avsubtitle_free(&subtitle);
af8ad892 1224 return ret;
9595234c
AK
1225}
1226
6291d7e4 1227/* pkt = NULL means EOF (needed to flush decoder buffers) */
ea9367e9 1228static int output_packet(InputStream *ist, const AVPacket *pkt)
6291d7e4 1229{
ffa0674e 1230 int i;
6291d7e4 1231 int got_output;
6291d7e4 1232 AVPacket avpkt;
6291d7e4 1233
3101bb66 1234 if (ist->next_dts == AV_NOPTS_VALUE)
23576b3f 1235 ist->next_dts = ist->last_dts;
6291d7e4
AK
1236
1237 if (pkt == NULL) {
1238 /* EOF handling */
1239 av_init_packet(&avpkt);
1240 avpkt.data = NULL;
1241 avpkt.size = 0;
1242 goto handle_eof;
1243 } else {
1244 avpkt = *pkt;
1245 }
1246
7636c8c6 1247 if (pkt->dts != AV_NOPTS_VALUE)
23576b3f 1248 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
6291d7e4 1249
7636c8c6 1250 // while we have more to decode or while the decoder did output something on EOF
2a651b71 1251 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
ffa0674e 1252 int ret = 0;
6291d7e4 1253 handle_eof:
6291d7e4 1254
23576b3f 1255 ist->last_dts = ist->next_dts;
8b0268a8
AK
1256
1257 if (avpkt.size && avpkt.size != pkt->size) {
e3245b26
AK
1258 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1259 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
8b0268a8
AK
1260 ist->showed_multi_packet_warning = 1;
1261 }
6291d7e4 1262
7636c8c6 1263 switch (ist->st->codec->codec_type) {
82963f8f 1264 case AVMEDIA_TYPE_AUDIO:
0629f612 1265 ret = decode_audio (ist, &avpkt, &got_output);
82963f8f
AK
1266 break;
1267 case AVMEDIA_TYPE_VIDEO:
0629f612 1268 ret = decode_video (ist, &avpkt, &got_output);
b34856a1
AK
1269 if (avpkt.duration)
1270 ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
aba232cf 1271 else if (ist->st->avg_frame_rate.num)
82494835 1272 ist->next_dts += av_rescale_q(1, av_inv_q(ist->st->avg_frame_rate),
722410ad 1273 AV_TIME_BASE_Q);
b34856a1
AK
1274 else if (ist->st->codec->time_base.num != 0) {
1275 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
1276 ist->st->codec->ticks_per_frame;
1277 ist->next_dts += av_rescale_q(ticks, ist->st->codec->time_base, AV_TIME_BASE_Q);
1278 }
82963f8f
AK
1279 break;
1280 case AVMEDIA_TYPE_SUBTITLE:
1281 ret = transcode_subtitles(ist, &avpkt, &got_output);
1282 break;
78162b4e
AK
1283 default:
1284 return -1;
1285 }
6291d7e4 1286
d3c1d37a
AK
1287 if (ret < 0)
1288 return ret;
aa38cff2
JG
1289 // touch data and size only if not EOF
1290 if (pkt) {
1291 avpkt.data += ret;
1292 avpkt.size -= ret;
1293 }
82963f8f 1294 if (!got_output) {
af8ad892 1295 continue;
82963f8f 1296 }
6291d7e4 1297 }
6291d7e4 1298
7204ec1a 1299 /* handle stream copy */
2a651b71 1300 if (!ist->decoding_needed) {
23576b3f 1301 ist->last_dts = ist->next_dts;
2a651b71
AK
1302 switch (ist->st->codec->codec_type) {
1303 case AVMEDIA_TYPE_AUDIO:
3101bb66 1304 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2a651b71
AK
1305 ist->st->codec->sample_rate;
1306 break;
1307 case AVMEDIA_TYPE_VIDEO:
1308 if (ist->st->codec->time_base.num != 0) {
7636c8c6 1309 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
3101bb66 1310 ist->next_dts += ((int64_t)AV_TIME_BASE *
2a651b71
AK
1311 ist->st->codec->time_base.num * ticks) /
1312 ist->st->codec->time_base.den;
1313 }
1314 break;
1315 }
1316 }
ea9367e9 1317 for (i = 0; pkt && i < nb_output_streams; i++) {
2e215267 1318 OutputStream *ost = output_streams[i];
7204ec1a
AK
1319
1320 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1321 continue;
1322
1323 do_streamcopy(ist, ost, pkt);
1324 }
1325
6291d7e4
AK
1326 return 0;
1327}
1328
ea9367e9 1329static void print_sdp(void)
6291d7e4 1330{
a23abaf3 1331 char sdp[16384];
af70aa45 1332 int i;
ea9367e9 1333 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
af70aa45
AK
1334
1335 if (!avc)
5e3f9979 1336 exit(1);
ea9367e9 1337 for (i = 0; i < nb_output_files; i++)
2e215267 1338 avc[i] = output_files[i]->ctx;
6291d7e4 1339
ea9367e9 1340 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
6291d7e4
AK
1341 printf("SDP:\n%s\n", sdp);
1342 fflush(stdout);
af70aa45 1343 av_freep(&avc);
6291d7e4
AK
1344}
1345
ea9367e9 1346static int init_input_stream(int ist_index, char *error, int error_len)
630902a1 1347{
c854102d 1348 int i, ret;
2e215267 1349 InputStream *ist = input_streams[ist_index];
630902a1
AK
1350 if (ist->decoding_needed) {
1351 AVCodec *codec = ist->dec;
630902a1 1352 if (!codec) {
9a414d89 1353 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
630902a1
AK
1354 ist->st->codec->codec_id, ist->file_index, ist->st->index);
1355 return AVERROR(EINVAL);
1356 }
1357
1358 /* update requested sample format for the decoder based on the
1359 corresponding encoder sample format */
1360 for (i = 0; i < nb_output_streams; i++) {
2e215267 1361 OutputStream *ost = output_streams[i];
630902a1
AK
1362 if (ost->source_index == ist_index) {
1363 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
1364 break;
1365 }
1366 }
1367
9b2dc295 1368 av_opt_set_int(ist->st->codec, "refcounted_frames", 1, 0);
64dca32c 1369
2473a45c
JG
1370 if (!av_dict_get(ist->opts, "threads", NULL, 0))
1371 av_dict_set(&ist->opts, "threads", "auto", 0);
c854102d 1372 if ((ret = avcodec_open2(ist->st->codec, codec, &ist->opts)) < 0) {
42cc6cef 1373 char errbuf[128];
c854102d
NC
1374 if (ret == AVERROR_EXPERIMENTAL)
1375 abort_codec_experimental(codec, 0);
42cc6cef
LB
1376
1377 av_strerror(ret, errbuf, sizeof(errbuf));
1378
1379 snprintf(error, error_len,
1380 "Error while opening decoder for input stream "
1381 "#%d:%d : %s",
1382 ist->file_index, ist->st->index, errbuf);
c854102d 1383 return ret;
630902a1 1384 }
630902a1
AK
1385 assert_avoptions(ist->opts);
1386 }
1387
23576b3f 1388 ist->last_dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
3101bb66 1389 ist->next_dts = AV_NOPTS_VALUE;
630902a1
AK
1390 init_pts_correction(&ist->pts_ctx);
1391 ist->is_start = 1;
1392
1393 return 0;
1394}
1395
3b266da3
AK
1396static InputStream *get_input_stream(OutputStream *ost)
1397{
1398 if (ost->source_index >= 0)
1399 return input_streams[ost->source_index];
1400
1401 if (ost->filter) {
1402 FilterGraph *fg = ost->filter->graph;
1403 int i;
1404
1405 for (i = 0; i < fg->nb_inputs; i++)
1406 if (fg->inputs[i]->ist->st->codec->codec_type == ost->st->codec->codec_type)
1407 return fg->inputs[i]->ist;
1408 }
1409
1410 return NULL;
1411}
1412
19ad5673
AK
1413static void parse_forced_key_frames(char *kf, OutputStream *ost,
1414 AVCodecContext *avctx)
1415{
1416 char *p;
1417 int n = 1, i;
1418 int64_t t;
1419
1420 for (p = kf; *p; p++)
1421 if (*p == ',')
1422 n++;
1423 ost->forced_kf_count = n;
1424 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1425 if (!ost->forced_kf_pts) {
1426 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
5e3f9979 1427 exit(1);
19ad5673 1428 }
4c679750
RD
1429
1430 p = kf;
19ad5673 1431 for (i = 0; i < n; i++) {
4c679750
RD
1432 char *next = strchr(p, ',');
1433
1434 if (next)
1435 *next++ = 0;
1436
19ad5673
AK
1437 t = parse_time_or_die("force_key_frames", p, 1);
1438 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
4c679750
RD
1439
1440 p = next;
19ad5673
AK
1441 }
1442}
1443
ea9367e9 1444static int transcode_init(void)
6291d7e4 1445{
2c474ddb 1446 int ret = 0, i, j, k;
1bb77e51 1447 AVFormatContext *oc;
a5fd7c60 1448 AVCodecContext *codec;
4288e031 1449 OutputStream *ost;
6291d7e4
AK
1450 InputStream *ist;
1451 char error[1024];
1452 int want_sdp = 1;
b0c9e8e0 1453
f4805328
AK
1454 /* init framerate emulation */
1455 for (i = 0; i < nb_input_files; i++) {
2e215267 1456 InputFile *ifile = input_files[i];
f4805328
AK
1457 if (ifile->rate_emu)
1458 for (j = 0; j < ifile->nb_streams; j++)
2e215267 1459 input_streams[j + ifile->ist_index]->start = av_gettime();
f4805328 1460 }
6291d7e4
AK
1461
1462 /* output stream init */
03f30c83 1463 for (i = 0; i < nb_output_files; i++) {
2e215267 1464 oc = output_files[i]->ctx;
1bb77e51
AK
1465 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
1466 av_dump_format(oc, i, oc->filename, 1);
e3245b26 1467 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
eaf2d37a 1468 return AVERROR(EINVAL);
6291d7e4 1469 }
6291d7e4
AK
1470 }
1471
3b266da3
AK
1472 /* init complex filtergraphs */
1473 for (i = 0; i < nb_filtergraphs; i++)
1474 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
1475 return ret;
1476
6291d7e4 1477 /* for each output stream, we compute the right encoding parameters */
4288e031 1478 for (i = 0; i < nb_output_streams; i++) {
a5fd7c60 1479 AVCodecContext *icodec = NULL;
2e215267
AK
1480 ost = output_streams[i];
1481 oc = output_files[ost->file_index]->ctx;
3b266da3 1482 ist = get_input_stream(ost);
6291d7e4 1483
4dbc6cee
AK
1484 if (ost->attachment_filename)
1485 continue;
1486
03f30c83 1487 codec = ost->st->codec;
6291d7e4 1488
3b266da3
AK
1489 if (ist) {
1490 icodec = ist->st->codec;
1491
1492 ost->st->disposition = ist->st->disposition;
1493 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
1494 codec->chroma_sample_location = icodec->chroma_sample_location;
1495 }
6291d7e4 1496
3d813e4c 1497 if (ost->stream_copy) {
538bf767 1498 AVRational sar;
8c4022ac
AK
1499 uint64_t extra_size;
1500
1501 av_assert0(ist && !ost->filter);
1502
1503 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
6291d7e4 1504
e6d2b737 1505 if (extra_size > INT_MAX) {
eaf2d37a 1506 return AVERROR(EINVAL);
e6d2b737 1507 }
6291d7e4
AK
1508
1509 /* if stream_copy is selected, no need to decode or encode */
03f30c83 1510 codec->codec_id = icodec->codec_id;
6291d7e4
AK
1511 codec->codec_type = icodec->codec_type;
1512
03f30c83
AK
1513 if (!codec->codec_tag) {
1514 if (!oc->oformat->codec_tag ||
1515 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
1516 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
6291d7e4
AK
1517 codec->codec_tag = icodec->codec_tag;
1518 }
1519
03f30c83 1520 codec->bit_rate = icodec->bit_rate;
6291d7e4
AK
1521 codec->rc_max_rate = icodec->rc_max_rate;
1522 codec->rc_buffer_size = icodec->rc_buffer_size;
4bf3c8f2 1523 codec->field_order = icodec->field_order;
03f30c83 1524 codec->extradata = av_mallocz(extra_size);
e6d2b737 1525 if (!codec->extradata) {
eaf2d37a 1526 return AVERROR(ENOMEM);
e6d2b737 1527 }
6291d7e4 1528 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
03f30c83 1529 codec->extradata_size = icodec->extradata_size;
7bb3e625 1530 if (!copy_tb) {
03f30c83 1531 codec->time_base = icodec->time_base;
6291d7e4
AK
1532 codec->time_base.num *= icodec->ticks_per_frame;
1533 av_reduce(&codec->time_base.num, &codec->time_base.den,
1534 codec->time_base.num, codec->time_base.den, INT_MAX);
03f30c83 1535 } else
6291d7e4 1536 codec->time_base = ist->st->time_base;
03f30c83 1537
7636c8c6 1538 switch (codec->codec_type) {
6291d7e4 1539 case AVMEDIA_TYPE_AUDIO:
7636c8c6 1540 if (audio_volume != 256) {
e3245b26 1541 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
5e3f9979 1542 exit(1);
6291d7e4 1543 }
03f30c83
AK
1544 codec->channel_layout = icodec->channel_layout;
1545 codec->sample_rate = icodec->sample_rate;
1546 codec->channels = icodec->channels;
1547 codec->frame_size = icodec->frame_size;
6291d7e4 1548 codec->audio_service_type = icodec->audio_service_type;
03f30c83 1549 codec->block_align = icodec->block_align;
6291d7e4
AK
1550 break;
1551 case AVMEDIA_TYPE_VIDEO:
03f30c83
AK
1552 codec->pix_fmt = icodec->pix_fmt;
1553 codec->width = icodec->width;
1554 codec->height = icodec->height;
1555 codec->has_b_frames = icodec->has_b_frames;
538bf767
AK
1556 if (ost->frame_aspect_ratio)
1557 sar = av_d2q(ost->frame_aspect_ratio * codec->height / codec->width, 255);
1558 else if (ist->st->sample_aspect_ratio.num)
1559 sar = ist->st->sample_aspect_ratio;
1560 else
1561 sar = icodec->sample_aspect_ratio;
1562 ost->st->sample_aspect_ratio = codec->sample_aspect_ratio = sar;
6291d7e4
AK
1563 break;
1564 case AVMEDIA_TYPE_SUBTITLE:
03f30c83 1565 codec->width = icodec->width;
6291d7e4
AK
1566 codec->height = icodec->height;
1567 break;
1568 case AVMEDIA_TYPE_DATA:
3ccd1580 1569 case AVMEDIA_TYPE_ATTACHMENT:
6291d7e4
AK
1570 break;
1571 default:
1572 abort();
1573 }
1574 } else {
2994913d
AK
1575 if (!ost->enc) {
1576 /* should only happen when a default codec is not present. */
1577 snprintf(error, sizeof(error), "Automatic encoder selection "
1578 "failed for output stream #%d:%d. Default encoder for "
1579 "format %s is probably disabled. Please choose an "
1580 "encoder manually.\n", ost->file_index, ost->index,
1581 oc->oformat->name);
1582 ret = AVERROR(EINVAL);
1583 goto dump_format;
1584 }
03f30c83 1585
3b266da3
AK
1586 if (ist)
1587 ist->decoding_needed = 1;
11fdb7e1 1588 ost->encoding_needed = 1;
03f30c83 1589
74b961db
AK
1590 /*
1591 * We want CFR output if and only if one of those is true:
1592 * 1) user specified output framerate with -r
1593 * 2) user specified -vsync cfr
1594 * 3) output format is CFR and the user didn't force vsync to
1595 * something else than CFR
1596 *
1597 * in such a case, set ost->frame_rate
1598 */
1599 if (codec->codec_type == AVMEDIA_TYPE_VIDEO &&
1600 !ost->frame_rate.num && ist &&
1601 (video_sync_method == VSYNC_CFR ||
1602 (video_sync_method == VSYNC_AUTO &&
1603 !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
44b0b85f
AK
1604 ost->frame_rate = ist->framerate.num ? ist->framerate :
1605 ist->st->avg_frame_rate.num ?
1606 ist->st->avg_frame_rate :
1607 (AVRational){25, 1};
1608
74b961db
AK
1609 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
1610 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
1611 ost->frame_rate = ost->enc->supported_framerates[idx];
1612 }
1613 }
1614
369cb092
AK
1615 if (!ost->filter &&
1616 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
1617 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
3b266da3
AK
1618 FilterGraph *fg;
1619 fg = init_simple_filtergraph(ist, ost);
8daf21d5 1620 if (configure_filtergraph(fg)) {
3b266da3
AK
1621 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
1622 exit(1);
1623 }
369cb092 1624 }
3b266da3 1625
369cb092
AK
1626 switch (codec->codec_type) {
1627 case AVMEDIA_TYPE_AUDIO:
1628 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
1629 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
1630 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
1631 codec->channels = av_get_channel_layout_nb_channels(codec->channel_layout);
1632 codec->time_base = (AVRational){ 1, codec->sample_rate };
1633 break;
1634 case AVMEDIA_TYPE_VIDEO:
74b961db 1635 codec->time_base = ost->filter->filter->inputs[0]->time_base;
6291d7e4 1636
3b266da3
AK
1637 codec->width = ost->filter->filter->inputs[0]->w;
1638 codec->height = ost->filter->filter->inputs[0]->h;
1639 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
1640 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
1641 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
1642 ost->filter->filter->inputs[0]->sample_aspect_ratio;
1643 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
b7327887 1644
a5fd7c60
AK
1645 if (icodec &&
1646 (codec->width != icodec->width ||
1647 codec->height != icodec->height ||
1648 codec->pix_fmt != icodec->pix_fmt)) {
b7327887
AK
1649 codec->bits_per_raw_sample = 0;
1650 }
1651
19ad5673
AK
1652 if (ost->forced_keyframes)
1653 parse_forced_key_frames(ost->forced_keyframes, ost,
1654 ost->st->codec);
6291d7e4
AK
1655 break;
1656 case AVMEDIA_TYPE_SUBTITLE:
c9af8326 1657 codec->time_base = (AVRational){1, 1000};
6291d7e4
AK
1658 break;
1659 default:
1660 abort();
1661 break;
1662 }
1663 /* two pass mode */
515901fa 1664 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
6291d7e4
AK
1665 char logfilename[1024];
1666 FILE *f;
1667
1668 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
bbcedade
AK
1669 ost->logfile_prefix ? ost->logfile_prefix :
1670 DEFAULT_PASS_LOGFILENAME_PREFIX,
6291d7e4 1671 i);
6e8be949
AK
1672 if (!strcmp(ost->enc->name, "libx264")) {
1673 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
1674 } else {
64334ddb
AK
1675 if (codec->flags & CODEC_FLAG_PASS1) {
1676 f = fopen(logfilename, "wb");
1677 if (!f) {
1678 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
1679 logfilename, strerror(errno));
5e3f9979 1680 exit(1);
64334ddb
AK
1681 }
1682 ost->logfile = f;
1683 } else {
1684 char *logbuffer;
1685 size_t logbuffer_size;
1686 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
1687 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
1688 logfilename);
5e3f9979 1689 exit(1);
64334ddb
AK
1690 }
1691 codec->stats_in = logbuffer;
6291d7e4 1692 }
6e8be949 1693 }
6291d7e4
AK
1694 }
1695 }
6291d7e4
AK
1696 }
1697
1698 /* open each encoder */
4288e031 1699 for (i = 0; i < nb_output_streams; i++) {
2e215267 1700 ost = output_streams[i];
6291d7e4 1701 if (ost->encoding_needed) {
03f30c83 1702 AVCodec *codec = ost->enc;
3b266da3 1703 AVCodecContext *dec = NULL;
3b266da3
AK
1704
1705 if ((ist = get_input_stream(ost)))
1706 dec = ist->st->codec;
1707 if (dec && dec->subtitle_header) {
6291d7e4
AK
1708 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
1709 if (!ost->st->codec->subtitle_header) {
1710 ret = AVERROR(ENOMEM);
1711 goto dump_format;
1712 }
1713 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
1714 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
1715 }
2473a45c
JG
1716 if (!av_dict_get(ost->opts, "threads", NULL, 0))
1717 av_dict_set(&ost->opts, "threads", "auto", 0);
c854102d
NC
1718 if ((ret = avcodec_open2(ost->st->codec, codec, &ost->opts)) < 0) {
1719 if (ret == AVERROR_EXPERIMENTAL)
1720 abort_codec_experimental(codec, 1);
9a414d89 1721 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
6291d7e4 1722 ost->file_index, ost->index);
6291d7e4
AK
1723 goto dump_format;
1724 }
6291d7e4
AK
1725 assert_avoptions(ost->opts);
1726 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
1727 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
1728 "It takes bits/s as argument, not kbits/s\n");
1729 extra_size += ost->st->codec->extradata_size;
d242d80e
AK
1730
1731 if (ost->st->codec->me_threshold)
2e215267 1732 input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
df0229a7
MS
1733 } else {
1734 av_opt_set_dict(ost->st->codec, &ost->opts);
6291d7e4
AK
1735 }
1736 }
1737
630902a1
AK
1738 /* init input streams */
1739 for (i = 0; i < nb_input_streams; i++)
ea9367e9 1740 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
630902a1 1741 goto dump_format;
6291d7e4 1742
2c474ddb
AK
1743 /* discard unused programs */
1744 for (i = 0; i < nb_input_files; i++) {
2e215267 1745 InputFile *ifile = input_files[i];
2c474ddb
AK
1746 for (j = 0; j < ifile->ctx->nb_programs; j++) {
1747 AVProgram *p = ifile->ctx->programs[j];
1748 int discard = AVDISCARD_ALL;
1749
1750 for (k = 0; k < p->nb_stream_indexes; k++)
2e215267 1751 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2c474ddb
AK
1752 discard = AVDISCARD_DEFAULT;
1753 break;
1754 }
1755 p->discard = discard;
1756 }
1757 }
1758
6291d7e4 1759 /* open files and write file headers */
af70aa45 1760 for (i = 0; i < nb_output_files; i++) {
2e215267 1761 oc = output_files[i]->ctx;
1bb77e51 1762 oc->interrupt_callback = int_cb;
a1a6cdc2
MS
1763 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
1764 char errbuf[128];
1e340af8
LB
1765 av_strerror(ret, errbuf, sizeof(errbuf));
1766 snprintf(error, sizeof(error),
1767 "Could not write header for output file #%d "
1768 "(incorrect codec parameters ?): %s",
1769 i, errbuf);
6291d7e4
AK
1770 ret = AVERROR(EINVAL);
1771 goto dump_format;
1772 }
2e215267 1773 assert_avoptions(output_files[i]->opts);
1bb77e51 1774 if (strcmp(oc->oformat->name, "rtp")) {
6291d7e4
AK
1775 want_sdp = 0;
1776 }
1777 }
1778
1779 dump_format:
1780 /* dump the file output parameters - cannot be done before in case
1781 of stream copy */
03f30c83 1782 for (i = 0; i < nb_output_files; i++) {
2e215267 1783 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
6291d7e4
AK
1784 }
1785
1786 /* dump the stream mapping */
e3245b26 1787 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3b266da3
AK
1788 for (i = 0; i < nb_input_streams; i++) {
1789 ist = input_streams[i];
1790
1791 for (j = 0; j < ist->nb_filters; j++) {
3b266da3
AK
1792 if (ist->filters[j]->graph->graph_desc) {
1793 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
1794 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
cf6c38c6 1795 ist->filters[j]->name);
3b266da3
AK
1796 if (nb_filtergraphs > 1)
1797 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
1798 av_log(NULL, AV_LOG_INFO, "\n");
1799 }
1800 }
1801 }
1802
e3245b26 1803 for (i = 0; i < nb_output_streams; i++) {
2e215267 1804 ost = output_streams[i];
4dbc6cee
AK
1805
1806 if (ost->attachment_filename) {
1807 /* an attached file */
1808 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
1809 ost->attachment_filename, ost->file_index, ost->index);
1810 continue;
1811 }
3b266da3
AK
1812
1813 if (ost->filter && ost->filter->graph->graph_desc) {
1814 /* output from a complex graph */
cf6c38c6 1815 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3b266da3
AK
1816 if (nb_filtergraphs > 1)
1817 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
1818
1819 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
1820 ost->index, ost->enc ? ost->enc->name : "?");
1821 continue;
1822 }
1823
9a414d89 1824 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2e215267
AK
1825 input_streams[ost->source_index]->file_index,
1826 input_streams[ost->source_index]->st->index,
e3245b26
AK
1827 ost->file_index,
1828 ost->index);
2e215267 1829 if (ost->sync_ist != input_streams[ost->source_index])
9a414d89 1830 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
e3245b26
AK
1831 ost->sync_ist->file_index,
1832 ost->sync_ist->st->index);
3d813e4c 1833 if (ost->stream_copy)
e3245b26
AK
1834 av_log(NULL, AV_LOG_INFO, " (copy)");
1835 else
2e215267
AK
1836 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
1837 input_streams[ost->source_index]->dec->name : "?",
e3245b26
AK
1838 ost->enc ? ost->enc->name : "?");
1839 av_log(NULL, AV_LOG_INFO, "\n");
6291d7e4
AK
1840 }
1841
1842 if (ret) {
e3245b26 1843 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
eaf2d37a 1844 return ret;
6291d7e4
AK
1845 }
1846
1847 if (want_sdp) {
ea9367e9 1848 print_sdp();
6291d7e4
AK
1849 }
1850
eaf2d37a
AC
1851 return 0;
1852}
1853
c1ef30a6 1854/* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
2f51ec2b
AK
1855static int need_output(void)
1856{
1857 int i;
1858
1859 for (i = 0; i < nb_output_streams; i++) {
1860 OutputStream *ost = output_streams[i];
1861 OutputFile *of = output_files[ost->file_index];
1862 AVFormatContext *os = output_files[ost->file_index]->ctx;
1863
57d24225 1864 if (ost->finished ||
2f51ec2b
AK
1865 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
1866 continue;
e58b75f7 1867 if (ost->frame_number >= ost->max_frames) {
2f51ec2b
AK
1868 int j;
1869 for (j = 0; j < of->ctx->nb_streams; j++)
57d24225 1870 output_streams[of->ost_index + j]->finished = 1;
2f51ec2b
AK
1871 continue;
1872 }
1873
1874 return 1;
1875 }
1876
1877 return 0;
1878}
1879
83916029 1880static InputFile *select_input_file(void)
a508e7a1 1881{
83916029 1882 InputFile *ifile = NULL;
a508e7a1 1883 int64_t ipts_min = INT64_MAX;
83916029 1884 int i;
a508e7a1
AK
1885
1886 for (i = 0; i < nb_input_streams; i++) {
1887 InputStream *ist = input_streams[i];
1888 int64_t ipts = ist->last_dts;
1889
0b26ef42 1890 if (ist->discard || input_files[ist->file_index]->eagain)
a508e7a1
AK
1891 continue;
1892 if (!input_files[ist->file_index]->eof_reached) {
1893 if (ipts < ipts_min) {
1894 ipts_min = ipts;
83916029 1895 ifile = input_files[ist->file_index];
a508e7a1
AK
1896 }
1897 }
1898 }
1899
83916029 1900 return ifile;
a508e7a1
AK
1901}
1902
47b812e9 1903#if HAVE_PTHREADS
5db5169e
AK
1904static void *input_thread(void *arg)
1905{
1906 InputFile *f = arg;
1907 int ret = 0;
1908
1909 while (!transcoding_finished && ret >= 0) {
1910 AVPacket pkt;
1911 ret = av_read_frame(f->ctx, &pkt);
1912
1913 if (ret == AVERROR(EAGAIN)) {
896bb0d7 1914 av_usleep(10000);
5db5169e
AK
1915 ret = 0;
1916 continue;
1917 } else if (ret < 0)
1918 break;
1919
1920 pthread_mutex_lock(&f->fifo_lock);
1921 while (!av_fifo_space(f->fifo))
1922 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
1923
1924 av_dup_packet(&pkt);
1925 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
1926
1927 pthread_mutex_unlock(&f->fifo_lock);
1928 }
1929
1930 f->finished = 1;
1931 return NULL;
1932}
1933
1934static void free_input_threads(void)
1935{
1936 int i;
1937
1938 if (nb_input_files == 1)
1939 return;
1940
1941 transcoding_finished = 1;
1942
1943 for (i = 0; i < nb_input_files; i++) {
1944 InputFile *f = input_files[i];
1945 AVPacket pkt;
1946
9034b0ed 1947 if (!f->fifo || f->joined)
5db5169e
AK
1948 continue;
1949
1950 pthread_mutex_lock(&f->fifo_lock);
1951 while (av_fifo_size(f->fifo)) {
1952 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
1953 av_free_packet(&pkt);
1954 }
1955 pthread_cond_signal(&f->fifo_cond);
1956 pthread_mutex_unlock(&f->fifo_lock);
1957
1958 pthread_join(f->thread, NULL);
1959 f->joined = 1;
1960
1961 while (av_fifo_size(f->fifo)) {
1962 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
1963 av_free_packet(&pkt);
1964 }
1965 av_fifo_free(f->fifo);
1966 }
1967}
1968
1969static int init_input_threads(void)
1970{
1971 int i, ret;
1972
1973 if (nb_input_files == 1)
1974 return 0;
1975
1976 for (i = 0; i < nb_input_files; i++) {
1977 InputFile *f = input_files[i];
1978
1979 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
1980 return AVERROR(ENOMEM);
1981
1982 pthread_mutex_init(&f->fifo_lock, NULL);
1983 pthread_cond_init (&f->fifo_cond, NULL);
1984
1985 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
1986 return AVERROR(ret);
1987 }
1988 return 0;
1989}
1990
1991static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
1992{
1993 int ret = 0;
1994
1995 pthread_mutex_lock(&f->fifo_lock);
1996
1997 if (av_fifo_size(f->fifo)) {
1998 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
1999 pthread_cond_signal(&f->fifo_cond);
2000 } else {
2001 if (f->finished)
2002 ret = AVERROR_EOF;
2003 else
2004 ret = AVERROR(EAGAIN);
2005 }
2006
2007 pthread_mutex_unlock(&f->fifo_lock);
2008
2009 return ret;
2010}
2011#endif
2012
2013static int get_input_packet(InputFile *f, AVPacket *pkt)
2014{
b4a5a292
AK
2015 if (f->rate_emu) {
2016 int i;
2017 for (i = 0; i < f->nb_streams; i++) {
2018 InputStream *ist = input_streams[f->ist_index + i];
2019 int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
2020 int64_t now = av_gettime() - ist->start;
2021 if (pts > now)
2022 return AVERROR(EAGAIN);
2023 }
2024 }
2025
47b812e9 2026#if HAVE_PTHREADS
5db5169e
AK
2027 if (nb_input_files > 1)
2028 return get_input_packet_mt(f, pkt);
2029#endif
2030 return av_read_frame(f->ctx, pkt);
2031}
2032
0b26ef42
AK
2033static int got_eagain(void)
2034{
2035 int i;
2036 for (i = 0; i < nb_input_files; i++)
2037 if (input_files[i]->eagain)
2038 return 1;
2039 return 0;
2040}
2041
2042static void reset_eagain(void)
2043{
2044 int i;
2045 for (i = 0; i < nb_input_files; i++)
2046 input_files[i]->eagain = 0;
2047}
2048
c1ef30a6 2049/*
0c00fd80
AK
2050 * Read one packet from an input file and send it for
2051 * - decoding -> lavfi (audio/video)
2052 * - decoding -> encoding -> muxing (subtitles)
2053 * - muxing (streamcopy)
2054 *
c1ef30a6 2055 * Return
0c00fd80
AK
2056 * - 0 -- one packet was read and processed
2057 * - AVERROR(EAGAIN) -- no packets were available for selected file,
2058 * this function should be called again
2059 * - AVERROR_EOF -- this function should not be called again
2060 */
2061static int process_input(void)
2062{
2063 InputFile *ifile;
2064 AVFormatContext *is;
2065 InputStream *ist;
2066 AVPacket pkt;
2067 int ret, i, j;
2068
2069 /* select the stream that we must read now */
2070 ifile = select_input_file();
2071 /* if none, if is finished */
2072 if (!ifile) {
2073 if (got_eagain()) {
2074 reset_eagain();
2075 av_usleep(10000);
2076 return AVERROR(EAGAIN);
2077 }
2078 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from.\n");
2079 return AVERROR_EOF;
2080 }
2081
2082 is = ifile->ctx;
2083 ret = get_input_packet(ifile, &pkt);
2084
2085 if (ret == AVERROR(EAGAIN)) {
2086 ifile->eagain = 1;
2087 return ret;
2088 }
2089 if (ret < 0) {
2090 if (ret != AVERROR_EOF) {
2091 print_error(is->filename, ret);
2092 if (exit_on_error)
5e3f9979 2093 exit(1);
0c00fd80
AK
2094 }
2095 ifile->eof_reached = 1;
2096
2097 for (i = 0; i < ifile->nb_streams; i++) {
2098 ist = input_streams[ifile->ist_index + i];
2099 if (ist->decoding_needed)
2100 output_packet(ist, NULL);
2101
2102 /* mark all outputs that don't go through lavfi as finished */
2103 for (j = 0; j < nb_output_streams; j++) {
2104 OutputStream *ost = output_streams[j];
2105
2106 if (ost->source_index == ifile->ist_index + i &&
2107 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
57d24225 2108 ost->finished= 1;
0c00fd80
AK
2109 }
2110 }
2111
3c0df905 2112 return AVERROR(EAGAIN);
0c00fd80
AK
2113 }
2114
2115 reset_eagain();
2116
2117 if (do_pkt_dump) {
2118 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2119 is->streams[pkt.stream_index]);
2120 }
2121 /* the following test is needed in case new streams appear
2122 dynamically in stream : we ignore them */
2123 if (pkt.stream_index >= ifile->nb_streams)
2124 goto discard_packet;
2125
2126 ist = input_streams[ifile->ist_index + pkt.stream_index];
2127 if (ist->discard)
2128 goto discard_packet;
2129
2130 if (pkt.dts != AV_NOPTS_VALUE)
2131 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2132 if (pkt.pts != AV_NOPTS_VALUE)
2133 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2134
2135 if (pkt.pts != AV_NOPTS_VALUE)
2136 pkt.pts *= ist->ts_scale;
2137 if (pkt.dts != AV_NOPTS_VALUE)
2138 pkt.dts *= ist->ts_scale;
2139
2140 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
2141 (is->iformat->flags & AVFMT_TS_DISCONT)) {
2142 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2143 int64_t delta = pkt_dts - ist->next_dts;
2144
2145 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
2146 ifile->ts_offset -= delta;
2147 av_log(NULL, AV_LOG_DEBUG,
2148 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2149 delta, ifile->ts_offset);
2150 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2151 if (pkt.pts != AV_NOPTS_VALUE)
2152 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2153 }
2154 }
2155
2156 ret = output_packet(ist, &pkt);
2157 if (ret < 0) {
2158 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
2159 ist->file_index, ist->st->index);
2160 if (exit_on_error)
5e3f9979 2161 exit(1);
0c00fd80
AK
2162 }
2163
2164discard_packet:
2165 av_free_packet(&pkt);
2166
2167 return 0;
2168}
2169
eaf2d37a
AC
2170/*
2171 * The following code is the main loop of the file converter
2172 */
ea9367e9 2173static int transcode(void)
eaf2d37a 2174{
0c00fd80
AK
2175 int ret, i, need_input = 1;
2176 AVFormatContext *os;
eaf2d37a
AC
2177 OutputStream *ost;
2178 InputStream *ist;
eaf2d37a
AC
2179 int64_t timer_start;
2180
ea9367e9 2181 ret = transcode_init();
eaf2d37a
AC
2182 if (ret < 0)
2183 goto fail;
2184
e3245b26 2185 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
6291d7e4
AK
2186 term_init();
2187
2188 timer_start = av_gettime();
2189
47b812e9 2190#if HAVE_PTHREADS
5db5169e
AK
2191 if ((ret = init_input_threads()) < 0)
2192 goto fail;
2193#endif
2194
c0fbf971 2195 while (!received_sigterm) {
3b266da3 2196 /* check if there's any stream where output is still needed */
2f51ec2b
AK
2197 if (!need_output()) {
2198 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3b266da3 2199 break;
2f51ec2b 2200 }
3b266da3 2201
0c00fd80
AK
2202 /* read and process one input packet if needed */
2203 if (need_input) {
2204 ret = process_input();
2205 if (ret == AVERROR_EOF)
2206 need_input = 0;
6291d7e4
AK
2207 }
2208
0c00fd80 2209 ret = poll_filters();
6291d7e4 2210 if (ret < 0) {
0c00fd80 2211 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
6291d7e4 2212 continue;
6291d7e4 2213
0c00fd80
AK
2214 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
2215 break;
6291d7e4
AK
2216 }
2217
6291d7e4 2218 /* dump report by using the output first video and audio streams */
ea9367e9 2219 print_report(0, timer_start);
6291d7e4 2220 }
47b812e9 2221#if HAVE_PTHREADS
5db5169e
AK
2222 free_input_threads();
2223#endif
6291d7e4
AK
2224
2225 /* at the end of stream, we must flush the decoder buffers */
2226 for (i = 0; i < nb_input_streams; i++) {
2e215267 2227 ist = input_streams[i];
9e8aae44 2228 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
ea9367e9 2229 output_packet(ist, NULL);
6291d7e4
AK
2230 }
2231 }
560f7774 2232 poll_filters();
ea9367e9 2233 flush_encoders();
6291d7e4
AK
2234
2235 term_exit();
2236
2237 /* write the trailer if needed and close file */
7636c8c6 2238 for (i = 0; i < nb_output_files; i++) {
2e215267 2239 os = output_files[i]->ctx;
6291d7e4
AK
2240 av_write_trailer(os);
2241 }
2242
2243 /* dump report by using the first video and audio streams */
ea9367e9 2244 print_report(1, timer_start);
6291d7e4
AK
2245
2246 /* close each encoder */
4288e031 2247 for (i = 0; i < nb_output_streams; i++) {
2e215267 2248 ost = output_streams[i];
6291d7e4
AK
2249 if (ost->encoding_needed) {
2250 av_freep(&ost->st->codec->stats_in);
2251 avcodec_close(ost->st->codec);
2252 }
6291d7e4
AK
2253 }
2254
2255 /* close each decoder */
2256 for (i = 0; i < nb_input_streams; i++) {
2e215267 2257 ist = input_streams[i];
6291d7e4
AK
2258 if (ist->decoding_needed) {
2259 avcodec_close(ist->st->codec);
2260 }
2261 }
2262
2263 /* finished ! */
2264 ret = 0;
2265
2266 fail:
47b812e9 2267#if HAVE_PTHREADS
5db5169e
AK
2268 free_input_threads();
2269#endif
6291d7e4 2270
4288e031
AK
2271 if (output_streams) {
2272 for (i = 0; i < nb_output_streams; i++) {
2e215267 2273 ost = output_streams[i];
6291d7e4 2274 if (ost) {
3d813e4c 2275 if (ost->stream_copy)
6291d7e4
AK
2276 av_freep(&ost->st->codec->extradata);
2277 if (ost->logfile) {
2278 fclose(ost->logfile);
2279 ost->logfile = NULL;
2280 }
6291d7e4 2281 av_freep(&ost->st->codec->subtitle_header);
6291d7e4 2282 av_free(ost->forced_kf_pts);
6291d7e4 2283 av_dict_free(&ost->opts);
5c7db097 2284 av_dict_free(&ost->resample_opts);
6291d7e4
AK
2285 }
2286 }
6291d7e4
AK
2287 }
2288 return ret;
2289}
2290
f5e66827 2291static int64_t getutime(void)
a2c0b830 2292{
f5e66827
AK
2293#if HAVE_GETRUSAGE
2294 struct rusage rusage;
a2c0b830 2295
f5e66827
AK
2296 getrusage(RUSAGE_SELF, &rusage);
2297 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2298#elif HAVE_GETPROCESSTIMES
2299 HANDLE proc;
2300 FILETIME c, e, k, u;
2301 proc = GetCurrentProcess();
2302 GetProcessTimes(proc, &c, &e, &k, &u);
2303 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
2304#else
2305 return av_gettime();
2306#endif
a2c0b830
AK
2307}
2308
f5e66827 2309static int64_t getmaxrss(void)
6291d7e4 2310{
f5e66827
AK
2311#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
2312 struct rusage rusage;
2313 getrusage(RUSAGE_SELF, &rusage);
2314 return (int64_t)rusage.ru_maxrss * 1024;
2315#elif HAVE_GETPROCESSMEMORYINFO
2316 HANDLE proc;
2317 PROCESS_MEMORY_COUNTERS memcounters;
2318 proc = GetCurrentProcess();
2319 memcounters.cb = sizeof(memcounters);
2320 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
2321 return memcounters.PeakPagefileUsage;
2322#else
6291d7e4 2323 return 0;
f5e66827 2324#endif
6291d7e4
AK
2325}
2326
6291d7e4
AK
2327int main(int argc, char **argv)
2328{
77bd1bc7 2329 int ret;
6291d7e4
AK
2330 int64_t ti;
2331
5e3f9979
DEP
2332 atexit(exit_program);
2333
6291d7e4 2334 av_log_set_flags(AV_LOG_SKIP_REPEATED);
182cbe43 2335 parse_loglevel(argc, argv, options);
6291d7e4
AK
2336
2337 avcodec_register_all();
2338#if CONFIG_AVDEVICE
2339 avdevice_register_all();
2340#endif
6291d7e4 2341 avfilter_register_all();
6291d7e4 2342 av_register_all();
776f2bb9 2343 avformat_network_init();
6291d7e4 2344
6291d7e4
AK
2345 show_banner();
2346
77bd1bc7
AK
2347 /* parse options and open all input/output files */
2348 ret = avconv_parse_options(argc, argv);
2349 if (ret < 0)
2350 exit(1);
6291d7e4 2351
7636c8c6 2352 if (nb_output_files <= 0 && nb_input_files == 0) {
6291d7e4 2353 show_usage();
e3245b26 2354 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
5e3f9979 2355 exit(1);
6291d7e4
AK
2356 }
2357
2358 /* file converter / grab */
2359 if (nb_output_files <= 0) {
2360 fprintf(stderr, "At least one output file must be specified\n");
5e3f9979 2361 exit(1);
6291d7e4
AK
2362 }
2363
6291d7e4 2364 ti = getutime();
ea9367e9 2365 if (transcode() < 0)
5e3f9979 2366 exit(1);
6291d7e4
AK
2367 ti = getutime() - ti;
2368 if (do_benchmark) {
2369 int maxrss = getmaxrss() / 1024;
2370 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
2371 }
2372
5e3f9979 2373 exit(0);
dad09ff9 2374 return 0;
6291d7e4 2375}