oggparseopus: export pre-skip
[libav.git] / avconv.c
CommitLineData
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1/*
2 * avconv main
41ed7ab4 3 * Copyright (c) 2000-2011 The Libav developers
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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"
6291d7e4 40#include "libavutil/fifo.h"
40cf1bba 41#include "libavutil/internal.h"
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42#include "libavutil/intreadwrite.h"
43#include "libavutil/dict.h"
44#include "libavutil/mathematics.h"
45#include "libavutil/pixdesc.h"
46#include "libavutil/avstring.h"
47#include "libavutil/libm.h"
64dca32c 48#include "libavutil/imgutils.h"
896bb0d7 49#include "libavutil/time.h"
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50#include "libavformat/os_support.h"
51
6291d7e4 52# include "libavfilter/avfilter.h"
04a14d4d 53# include "libavfilter/buffersrc.h"
ac712309 54# include "libavfilter/buffersink.h"
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55
56#if HAVE_SYS_RESOURCE_H
3f65eff4 57#include <sys/time.h>
6291d7e4 58#include <sys/types.h>
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59#include <sys/resource.h>
60#elif HAVE_GETPROCESSTIMES
61#include <windows.h>
62#endif
63#if HAVE_GETPROCESSMEMORYINFO
64#include <windows.h>
65#include <psapi.h>
66#endif
67
68#if HAVE_SYS_SELECT_H
69#include <sys/select.h>
70#endif
71
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72#if HAVE_PTHREADS
73#include <pthread.h>
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74#endif
75
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76#include <time.h>
77
f5e66827 78#include "avconv.h"
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79#include "cmdutils.h"
80
81#include "libavutil/avassert.h"
82
83const char program_name[] = "avconv";
84const int program_birth_year = 2000;
85
6291d7e4 86static FILE *vstats_file;
6291d7e4 87
6291d7e4 88static int nb_frames_drop = 0;
6291d7e4 89
1c169782 90static int want_sdp = 1;
3460dd8a 91
47b812e9 92#if HAVE_PTHREADS
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93/* signal to input threads that they should exit; set by the main thread */
94static int transcoding_finished;
95#endif
96
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97InputStream **input_streams = NULL;
98int nb_input_streams = 0;
99InputFile **input_files = NULL;
100int nb_input_files = 0;
6b779ccc 101
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102OutputStream **output_streams = NULL;
103int nb_output_streams = 0;
104OutputFile **output_files = NULL;
105int nb_output_files = 0;
6b779ccc 106
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107FilterGraph **filtergraphs;
108int nb_filtergraphs;
575ec4e1 109
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110static void term_exit(void)
111{
112 av_log(NULL, AV_LOG_QUIET, "");
113}
114
115static volatile int received_sigterm = 0;
116static volatile int received_nb_signals = 0;
117
118static void
119sigterm_handler(int sig)
120{
121 received_sigterm = sig;
122 received_nb_signals++;
123 term_exit();
124}
125
126static void term_init(void)
127{
7636c8c6 128 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
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129 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
130#ifdef SIGXCPU
131 signal(SIGXCPU, sigterm_handler);
132#endif
133}
134
2abe947a 135static int decode_interrupt_cb(void *ctx)
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136{
137 return received_nb_signals > 1;
138}
139
f5e66827 140const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
2abe947a 141
636ced8e 142static void avconv_cleanup(int ret)
6291d7e4 143{
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144 int i, j;
145
146 for (i = 0; i < nb_filtergraphs; i++) {
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147 FilterGraph *fg = filtergraphs[i];
148 avfilter_graph_free(&fg->graph);
149 for (j = 0; j < fg->nb_inputs; j++) {
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150 while (av_fifo_size(fg->inputs[j]->frame_queue)) {
151 AVFrame *frame;
152 av_fifo_generic_read(fg->inputs[j]->frame_queue, &frame,
153 sizeof(frame), NULL);
154 av_frame_free(&frame);
155 }
156 av_fifo_free(fg->inputs[j]->frame_queue);
722ec3eb 157 av_buffer_unref(&fg->inputs[j]->hw_frames_ctx);
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158 av_freep(&fg->inputs[j]->name);
159 av_freep(&fg->inputs[j]);
cf6c38c6 160 }
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161 av_freep(&fg->inputs);
162 for (j = 0; j < fg->nb_outputs; j++) {
163 av_freep(&fg->outputs[j]->name);
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164 av_freep(&fg->outputs[j]->formats);
165 av_freep(&fg->outputs[j]->channel_layouts);
166 av_freep(&fg->outputs[j]->sample_rates);
73ed8558 167 av_freep(&fg->outputs[j]);
cf6c38c6 168 }
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169 av_freep(&fg->outputs);
170 av_freep(&fg->graph_desc);
171
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172 av_freep(&filtergraphs[i]);
173 }
174 av_freep(&filtergraphs);
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175
176 /* close files */
7636c8c6 177 for (i = 0; i < nb_output_files; i++) {
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178 OutputFile *of = output_files[i];
179 AVFormatContext *s = of->ctx;
274e134e 180 if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE) && s->pb)
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181 avio_close(s->pb);
182 avformat_free_context(s);
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183 av_dict_free(&of->opts);
184
2e215267 185 av_freep(&output_files[i]);
6291d7e4 186 }
1135a071 187 for (i = 0; i < nb_output_streams; i++) {
73ed8558 188 OutputStream *ost = output_streams[i];
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189
190 for (j = 0; j < ost->nb_bitstream_filters; j++)
191 av_bsf_free(&ost->bsf_ctx[j]);
192 av_freep(&ost->bsf_ctx);
193 av_freep(&ost->bitstream_filters);
194
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195 av_frame_free(&ost->filtered_frame);
196
197 av_parser_close(ost->parser);
35c85806 198 avcodec_free_context(&ost->parser_avctx);
ac646076 199
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200 av_freep(&ost->forced_keyframes);
201 av_freep(&ost->avfilter);
202 av_freep(&ost->logfile_prefix);
c872d310 203
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204 avcodec_free_context(&ost->enc_ctx);
205
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206 while (av_fifo_size(ost->muxing_queue)) {
207 AVPacket pkt;
208 av_fifo_generic_read(ost->muxing_queue, &pkt, sizeof(pkt), NULL);
209 av_packet_unref(&pkt);
210 }
211 av_fifo_free(ost->muxing_queue);
212
2e215267 213 av_freep(&output_streams[i]);
1135a071 214 }
7636c8c6 215 for (i = 0; i < nb_input_files; i++) {
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216 avformat_close_input(&input_files[i]->ctx);
217 av_freep(&input_files[i]);
6291d7e4 218 }
9179f27c 219 for (i = 0; i < nb_input_streams; i++) {
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220 InputStream *ist = input_streams[i];
221
222 av_frame_free(&ist->decoded_frame);
223 av_frame_free(&ist->filter_frame);
f3a6ad22 224 av_dict_free(&ist->decoder_opts);
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225 av_freep(&ist->filters);
226 av_freep(&ist->hwaccel_device);
227
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228 avcodec_free_context(&ist->dec_ctx);
229
2e215267 230 av_freep(&input_streams[i]);
9179f27c 231 }
6291d7e4 232
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233 if (vstats_file)
234 fclose(vstats_file);
235 av_free(vstats_filename);
236
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237 av_freep(&input_streams);
238 av_freep(&input_files);
4288e031 239 av_freep(&output_streams);
af70aa45 240 av_freep(&output_files);
6291d7e4 241
6291d7e4 242 uninit_opts();
6291d7e4 243
776f2bb9 244 avformat_network_deinit();
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245
246 if (received_sigterm) {
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247 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
248 (int) received_sigterm);
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249 exit (255);
250 }
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251}
252
f5e66827 253void assert_avoptions(AVDictionary *m)
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254{
255 AVDictionaryEntry *t;
256 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
f24facd3 257 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
636ced8e 258 exit_program(1);
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259 }
260}
261
c854102d 262static void abort_codec_experimental(AVCodec *c, int encoder)
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263{
264 const char *codec_string = encoder ? "encoder" : "decoder";
265 AVCodec *codec;
c854102d
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266 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
267 "results.\nAdd '-strict experimental' if you want to use it.\n",
268 codec_string, c->name);
269 codec = encoder ? avcodec_find_encoder(c->id) : avcodec_find_decoder(c->id);
def97856 270 if (!(codec->capabilities & AV_CODEC_CAP_EXPERIMENTAL))
c854102d
NC
271 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
272 codec_string, codec->name);
636ced8e 273 exit_program(1);
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274}
275
398f015f 276static void write_packet(OutputFile *of, AVPacket *pkt, OutputStream *ost)
7636c8c6 277{
398f015f 278 AVFormatContext *s = of->ctx;
15e84ed3 279 AVStream *st = ost->st;
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280 int ret;
281
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282 if (!of->header_written) {
283 AVPacket tmp_pkt;
284 /* the muxer is not initialized yet, buffer the packet */
285 if (!av_fifo_space(ost->muxing_queue)) {
286 int new_size = FFMIN(2 * av_fifo_size(ost->muxing_queue),
287 ost->max_muxing_queue_size);
288 if (new_size <= av_fifo_size(ost->muxing_queue)) {
289 av_log(NULL, AV_LOG_ERROR,
290 "Too many packets buffered for output stream %d:%d.\n",
291 ost->file_index, ost->st->index);
292 exit_program(1);
293 }
294 ret = av_fifo_realloc2(ost->muxing_queue, new_size);
295 if (ret < 0)
296 exit_program(1);
297 }
298 av_packet_move_ref(&tmp_pkt, pkt);
299 av_fifo_generic_write(ost->muxing_queue, &tmp_pkt, sizeof(tmp_pkt), NULL);
300 return;
301 }
302
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303 /*
304 * Audio encoders may split the packets -- #frames in != #packets out.
305 * But there is no reordering, so we can limit the number of output packets
306 * by simply dropping them here.
307 * Counting encoded video frames needs to be done separately because of
308 * reordering, see do_video_out()
309 */
15e84ed3 310 if (!(st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && ost->encoding_needed)) {
c9594fe0 311 if (ost->frame_number >= ost->max_frames) {
ce70f28a 312 av_packet_unref(pkt);
99932847 313 return;
c9594fe0 314 }
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315 ost->frame_number++;
316 }
15e84ed3 317 if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
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318 uint8_t *sd = av_packet_get_side_data(pkt, AV_PKT_DATA_QUALITY_FACTOR,
319 NULL);
320 ost->quality = sd ? *(int *)sd : -1;
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321
322 if (ost->frame_rate.num) {
323 pkt->duration = av_rescale_q(1, av_inv_q(ost->frame_rate),
3e265ca5 324 ost->mux_timebase);
3efd71b4 325 }
5d3addb9 326 }
99932847 327
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328 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS) &&
329 ost->last_mux_dts != AV_NOPTS_VALUE &&
330 pkt->dts < ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT)) {
331 av_log(NULL, AV_LOG_WARNING, "Non-monotonous DTS in output stream "
332 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
333 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
334 if (exit_on_error) {
335 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
636ced8e 336 exit_program(1);
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337 }
338 av_log(NULL, AV_LOG_WARNING, "changing to %"PRId64". This may result "
339 "in incorrect timestamps in the output file.\n",
340 ost->last_mux_dts + 1);
341 pkt->dts = ost->last_mux_dts + 1;
342 if (pkt->pts != AV_NOPTS_VALUE)
343 pkt->pts = FFMAX(pkt->pts, pkt->dts);
344 }
345 ost->last_mux_dts = pkt->dts;
346
baeb59d8 347 ost->data_size += pkt->size;
47543450 348 ost->packets_written++;
baeb59d8 349
61a09968 350 pkt->stream_index = ost->index;
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351 av_packet_rescale_ts(pkt, ost->mux_timebase, ost->st->time_base);
352
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353 ret = av_interleaved_write_frame(s, pkt);
354 if (ret < 0) {
6291d7e4 355 print_error("av_interleaved_write_frame()", ret);
636ced8e 356 exit_program(1);
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357 }
358}
359
398f015f 360static void output_packet(OutputFile *of, AVPacket *pkt, OutputStream *ost)
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361{
362 int ret = 0;
363
364 /* apply the output bitstream filters, if any */
365 if (ost->nb_bitstream_filters) {
366 int idx;
367
368 ret = av_bsf_send_packet(ost->bsf_ctx[0], pkt);
369 if (ret < 0)
370 goto finish;
371
372 idx = 1;
373 while (idx) {
374 /* get a packet from the previous filter up the chain */
375 ret = av_bsf_receive_packet(ost->bsf_ctx[idx - 1], pkt);
376 if (ret == AVERROR(EAGAIN)) {
377 ret = 0;
378 idx--;
379 continue;
380 } else if (ret < 0)
381 goto finish;
382
383 /* send it to the next filter down the chain or to the muxer */
384 if (idx < ost->nb_bitstream_filters) {
385 ret = av_bsf_send_packet(ost->bsf_ctx[idx], pkt);
386 if (ret < 0)
387 goto finish;
388 idx++;
389 } else
398f015f 390 write_packet(of, pkt, ost);
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391 }
392 } else
398f015f 393 write_packet(of, pkt, ost);
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394
395finish:
396 if (ret < 0 && ret != AVERROR_EOF) {
397 av_log(NULL, AV_LOG_FATAL, "Error applying bitstream filters to an output "
398 "packet for stream #%d:%d.\n", ost->file_index, ost->index);
399 exit_program(1);
400 }
401}
402
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403static int check_recording_time(OutputStream *ost)
404{
2e215267 405 OutputFile *of = output_files[ost->file_index];
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406
407 if (of->recording_time != INT64_MAX &&
38313626 408 av_compare_ts(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, of->recording_time,
1270e12e 409 AV_TIME_BASE_Q) >= 0) {
57d24225 410 ost->finished = 1;
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411 return 0;
412 }
413 return 1;
414}
415
398f015f 416static void do_audio_out(OutputFile *of, OutputStream *ost,
369cb092 417 AVFrame *frame)
ee458cb1 418{
38313626 419 AVCodecContext *enc = ost->enc_ctx;
ee458cb1 420 AVPacket pkt;
35846d93 421 int ret;
ee458cb1
JR
422
423 av_init_packet(&pkt);
424 pkt.data = NULL;
425 pkt.size = 0;
426
369cb092 427 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
9b9fc9ba 428 frame->pts = ost->sync_opts;
369cb092 429 ost->sync_opts = frame->pts + frame->nb_samples;
ee458cb1 430
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431 ost->samples_encoded += frame->nb_samples;
432 ost->frames_encoded++;
433
35846d93 434 ret = avcodec_send_frame(enc, frame);
435 if (ret < 0)
436 goto error;
437
438 while (1) {
439 ret = avcodec_receive_packet(enc, &pkt);
440 if (ret == AVERROR(EAGAIN))
441 break;
442 if (ret < 0)
443 goto error;
ee458cb1 444
398f015f 445 output_packet(of, &pkt, ost);
ee458cb1 446 }
35846d93 447
448 return;
449error:
450 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
451 exit_program(1);
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452}
453
398f015f 454static void do_subtitle_out(OutputFile *of,
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455 OutputStream *ost,
456 InputStream *ist,
457 AVSubtitle *sub,
458 int64_t pts)
459{
460 static uint8_t *subtitle_out = NULL;
461 int subtitle_out_max_size = 1024 * 1024;
462 int subtitle_out_size, nb, i;
463 AVCodecContext *enc;
464 AVPacket pkt;
465
466 if (pts == AV_NOPTS_VALUE) {
e3245b26 467 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
6291d7e4 468 if (exit_on_error)
636ced8e 469 exit_program(1);
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470 return;
471 }
472
38313626 473 enc = ost->enc_ctx;
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474
475 if (!subtitle_out) {
476 subtitle_out = av_malloc(subtitle_out_max_size);
477 }
478
479 /* Note: DVB subtitle need one packet to draw them and one other
480 packet to clear them */
481 /* XXX: signal it in the codec context ? */
36ef5369 482 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
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483 nb = 2;
484 else
485 nb = 1;
486
7636c8c6 487 for (i = 0; i < nb; i++) {
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488 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
489 if (!check_recording_time(ost))
490 return;
491
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492 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
493 // start_display_time is required to be 0
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494 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
495 sub->end_display_time -= sub->start_display_time;
6291d7e4 496 sub->start_display_time = 0;
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497
498 ost->frames_encoded++;
499
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500 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
501 subtitle_out_max_size, sub);
502 if (subtitle_out_size < 0) {
e3245b26 503 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
636ced8e 504 exit_program(1);
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505 }
506
507 av_init_packet(&pkt);
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508 pkt.data = subtitle_out;
509 pkt.size = subtitle_out_size;
3e265ca5 510 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->mux_timebase);
36ef5369 511 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
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512 /* XXX: the pts correction is handled here. Maybe handling
513 it in the codec would be better */
514 if (i == 0)
515 pkt.pts += 90 * sub->start_display_time;
516 else
517 pkt.pts += 90 * sub->end_display_time;
518 }
398f015f 519 output_packet(of, &pkt, ost);
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520 }
521}
522
398f015f 523static void do_video_out(OutputFile *of,
87ef060c 524 OutputStream *ost,
87ef060c 525 AVFrame *in_picture,
fb722a90 526 int *frame_size)
87ef060c 527{
35846d93 528 int ret, format_video_sync;
74b961db 529 AVPacket pkt;
38313626 530 AVCodecContext *enc = ost->enc_ctx;
87ef060c
AC
531
532 *frame_size = 0;
533
553735f5 534 format_video_sync = video_sync_method;
e8c04f62 535 if (format_video_sync == VSYNC_AUTO)
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536 format_video_sync = (of->ctx->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
537 (of->ctx->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
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538 if (format_video_sync != VSYNC_PASSTHROUGH &&
539 ost->frame_number &&
540 in_picture->pts != AV_NOPTS_VALUE &&
541 in_picture->pts < ost->sync_opts) {
d43040e2 542 nb_frames_drop++;
aa499568
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543 av_log(NULL, AV_LOG_WARNING,
544 "*** dropping frame %d from stream %d at ts %"PRId64"\n",
545 ost->frame_number, ost->st->index, in_picture->pts);
87ef060c 546 return;
d43040e2 547 }
87ef060c 548
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549 if (in_picture->pts == AV_NOPTS_VALUE)
550 in_picture->pts = ost->sync_opts;
551 ost->sync_opts = in_picture->pts;
552
553
1270e12e 554 if (!ost->frame_number)
74b961db 555 ost->first_pts = in_picture->pts;
1270e12e 556
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557 av_init_packet(&pkt);
558 pkt.data = NULL;
559 pkt.size = 0;
6291d7e4 560
a83c0da5 561 if (ost->frame_number >= ost->max_frames)
39885a4b 562 return;
1270e12e 563
34ed5c2e
LB
564 if (enc->flags & (AV_CODEC_FLAG_INTERLACED_DCT | AV_CODEC_FLAG_INTERLACED_ME) &&
565 ost->top_field_first >= 0)
566 in_picture->top_field_first = !!ost->top_field_first;
6291d7e4 567
34ed5c2e
LB
568 in_picture->quality = enc->global_quality;
569 in_picture->pict_type = 0;
570 if (ost->forced_kf_index < ost->forced_kf_count &&
571 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
572 in_picture->pict_type = AV_PICTURE_TYPE_I;
573 ost->forced_kf_index++;
574 }
47543450 575
34ed5c2e 576 ost->frames_encoded++;
47543450 577
35846d93 578 ret = avcodec_send_frame(enc, in_picture);
579 if (ret < 0)
580 goto error;
581
69a63801
AK
582 /*
583 * For video, there may be reordering, so we can't throw away frames on
584 * encoder flush, we need to limit them here, before they go into encoder.
585 */
586 ost->frame_number++;
587
35846d93 588 while (1) {
589 ret = avcodec_receive_packet(enc, &pkt);
590 if (ret == AVERROR(EAGAIN))
591 break;
592 if (ret < 0)
593 goto error;
6291d7e4 594
398f015f 595 output_packet(of, &pkt, ost);
34ed5c2e 596 *frame_size = pkt.size;
324fbadf 597
34ed5c2e
LB
598 /* if two pass, output log */
599 if (ost->logfile && enc->stats_out) {
600 fprintf(ost->logfile, "%s", enc->stats_out);
6291d7e4 601 }
35846d93 602
603 ost->sync_opts++;
39885a4b 604 }
34ed5c2e 605
35846d93 606 return;
607error:
608 av_assert0(ret != AVERROR(EAGAIN) && ret != AVERROR_EOF);
609 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
610 exit_program(1);
6291d7e4
AK
611}
612
e2a3df1a 613#if FF_API_CODED_FRAME && FF_API_ERROR_FRAME
7636c8c6
AD
614static double psnr(double d)
615{
616 return -10.0 * log(d) / log(10.0);
6291d7e4 617}
763d69bf 618#endif
6291d7e4 619
70478746 620static void do_video_stats(OutputStream *ost, int frame_size)
6291d7e4
AK
621{
622 AVCodecContext *enc;
623 int frame_number;
624 double ti1, bitrate, avg_bitrate;
625
626 /* this is executed just the first time do_video_stats is called */
627 if (!vstats_file) {
628 vstats_file = fopen(vstats_filename, "w");
629 if (!vstats_file) {
630 perror("fopen");
636ced8e 631 exit_program(1);
6291d7e4
AK
632 }
633 }
634
38313626 635 enc = ost->enc_ctx;
6291d7e4
AK
636 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
637 frame_number = ost->frame_number;
5d3addb9
VG
638 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number,
639 ost->quality / (float)FF_QP2LAMBDA);
40cf1bba 640
e2a3df1a 641#if FF_API_CODED_FRAME && FF_API_ERROR_FRAME
40cf1bba 642FF_DISABLE_DEPRECATION_WARNINGS
7c6eb0a1 643 if (enc->flags & AV_CODEC_FLAG_PSNR)
7636c8c6 644 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
40cf1bba
VG
645FF_ENABLE_DEPRECATION_WARNINGS
646#endif
6291d7e4
AK
647
648 fprintf(vstats_file,"f_size= %6d ", frame_size);
649 /* compute pts value */
650 ti1 = ost->sync_opts * av_q2d(enc->time_base);
651 if (ti1 < 0.01)
652 ti1 = 0.01;
653
7636c8c6 654 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
baeb59d8 655 avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
6291d7e4 656 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
baeb59d8 657 (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
40cf1bba
VG
658#if FF_API_CODED_FRAME
659FF_DISABLE_DEPRECATION_WARNINGS
6291d7e4 660 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
40cf1bba
VG
661FF_ENABLE_DEPRECATION_WARNINGS
662#endif
6291d7e4
AK
663 }
664}
665
a3a0230a
AK
666static int init_output_stream(OutputStream *ost, char *error, int error_len);
667
c1ef30a6 668/*
a4f50110
AK
669 * Read one frame for lavfi output for ost and encode it.
670 */
671static int poll_filter(OutputStream *ost)
560f7774 672{
a4f50110 673 OutputFile *of = output_files[ost->file_index];
560f7774 674 AVFrame *filtered_frame = NULL;
a4f50110
AK
675 int frame_size, ret;
676
5b9c3b45 677 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
a4f50110 678 return AVERROR(ENOMEM);
674fa491 679 }
a4f50110
AK
680 filtered_frame = ost->filtered_frame;
681
a3a0230a
AK
682 if (!ost->initialized) {
683 char error[1024];
684 ret = init_output_stream(ost, error, sizeof(error));
685 if (ret < 0) {
686 av_log(NULL, AV_LOG_ERROR, "Error initializing output stream %d:%d -- %s\n",
687 ost->file_index, ost->index, error);
688 exit_program(1);
689 }
690 }
691
a4f50110 692 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
def97856 693 !(ost->enc->capabilities & AV_CODEC_CAP_VARIABLE_FRAME_SIZE))
9b2dc295 694 ret = av_buffersink_get_samples(ost->filter->filter, filtered_frame,
38313626 695 ost->enc_ctx->frame_size);
a4f50110 696 else
9b2dc295 697 ret = av_buffersink_get_frame(ost->filter->filter, filtered_frame);
369cb092 698
a4f50110
AK
699 if (ret < 0)
700 return ret;
560f7774 701
9b2dc295 702 if (filtered_frame->pts != AV_NOPTS_VALUE) {
56ee3f9d 703 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
9b2dc295 704 filtered_frame->pts = av_rescale_q(filtered_frame->pts,
a4f50110 705 ost->filter->filter->inputs[0]->time_base,
38313626 706 ost->enc_ctx->time_base) -
56ee3f9d 707 av_rescale_q(start_time,
a4f50110 708 AV_TIME_BASE_Q,
38313626 709 ost->enc_ctx->time_base);
560f7774 710 }
a4f50110
AK
711
712 switch (ost->filter->filter->inputs[0]->type) {
713 case AVMEDIA_TYPE_VIDEO:
714 if (!ost->frame_aspect_ratio)
38313626 715 ost->enc_ctx->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
a4f50110 716
398f015f 717 do_video_out(of, ost, filtered_frame, &frame_size);
a4f50110 718 if (vstats_filename && frame_size)
70478746 719 do_video_stats(ost, frame_size);
a4f50110
AK
720 break;
721 case AVMEDIA_TYPE_AUDIO:
398f015f 722 do_audio_out(of, ost, filtered_frame);
a4f50110
AK
723 break;
724 default:
725 // TODO support subtitle filters
726 av_assert0(0);
727 }
728
9b2dc295 729 av_frame_unref(filtered_frame);
a4f50110 730
560f7774
AK
731 return 0;
732}
733
48e50921
AK
734static void finish_output_stream(OutputStream *ost)
735{
736 OutputFile *of = output_files[ost->file_index];
737 int i;
738
739 ost->finished = 1;
740
741 if (of->shortest) {
742 for (i = 0; i < of->ctx->nb_streams; i++)
743 output_streams[of->ost_index + i]->finished = 1;
744 }
745}
746
c1ef30a6 747/*
a4f50110
AK
748 * Read as many frames from possible from lavfi and encode them.
749 *
750 * Always read from the active stream with the lowest timestamp. If no frames
751 * are available for it then return EAGAIN and wait for more input. This way we
752 * can use lavfi sources that generate unlimited amount of frames without memory
753 * usage exploding.
754 */
755static int poll_filters(void)
756{
48e50921 757 int i, ret = 0;
a4f50110
AK
758
759 while (ret >= 0 && !received_sigterm) {
760 OutputStream *ost = NULL;
761 int64_t min_pts = INT64_MAX;
762
763 /* choose output stream with the lowest timestamp */
764 for (i = 0; i < nb_output_streams; i++) {
765 int64_t pts = output_streams[i]->sync_opts;
766
a3a0230a
AK
767 if (!output_streams[i]->filter || output_streams[i]->finished ||
768 !output_streams[i]->filter->graph->graph)
a4f50110
AK
769 continue;
770
38313626 771 pts = av_rescale_q(pts, output_streams[i]->enc_ctx->time_base,
a4f50110
AK
772 AV_TIME_BASE_Q);
773 if (pts < min_pts) {
774 min_pts = pts;
775 ost = output_streams[i];
776 }
777 }
778
779 if (!ost)
780 break;
781
782 ret = poll_filter(ost);
783
784 if (ret == AVERROR_EOF) {
48e50921 785 finish_output_stream(ost);
a4f50110
AK
786 ret = 0;
787 } else if (ret == AVERROR(EAGAIN))
788 return 0;
789 }
790
791 return ret;
792}
793
a220b07b
AK
794static void print_final_stats(int64_t total_size)
795{
796 uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
797 uint64_t data_size = 0;
798 float percent = -1.0;
47543450 799 int i, j;
a220b07b
AK
800
801 for (i = 0; i < nb_output_streams; i++) {
802 OutputStream *ost = output_streams[i];
38313626 803 switch (ost->enc_ctx->codec_type) {
a220b07b
AK
804 case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
805 case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
806 default: other_size += ost->data_size; break;
807 }
38313626 808 extra_size += ost->enc_ctx->extradata_size;
a220b07b
AK
809 data_size += ost->data_size;
810 }
811
812 if (data_size && total_size >= data_size)
813 percent = 100.0 * (total_size - data_size) / data_size;
814
815 av_log(NULL, AV_LOG_INFO, "\n");
816 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB other streams:%1.0fkB global headers:%1.0fkB muxing overhead: ",
817 video_size / 1024.0,
818 audio_size / 1024.0,
819 other_size / 1024.0,
820 extra_size / 1024.0);
821 if (percent >= 0.0)
822 av_log(NULL, AV_LOG_INFO, "%f%%", percent);
823 else
824 av_log(NULL, AV_LOG_INFO, "unknown");
825 av_log(NULL, AV_LOG_INFO, "\n");
47543450
AK
826
827 /* print verbose per-stream stats */
828 for (i = 0; i < nb_input_files; i++) {
829 InputFile *f = input_files[i];
830 uint64_t total_packets = 0, total_size = 0;
831
832 av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
833 i, f->ctx->filename);
834
835 for (j = 0; j < f->nb_streams; j++) {
836 InputStream *ist = input_streams[f->ist_index + j];
41776ba9 837 enum AVMediaType type = ist->dec_ctx->codec_type;
47543450
AK
838
839 total_size += ist->data_size;
840 total_packets += ist->nb_packets;
841
842 av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
843 i, j, media_type_string(type));
844 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
845 ist->nb_packets, ist->data_size);
846
847 if (ist->decoding_needed) {
848 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
849 ist->frames_decoded);
850 if (type == AVMEDIA_TYPE_AUDIO)
851 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
852 av_log(NULL, AV_LOG_VERBOSE, "; ");
853 }
854
855 av_log(NULL, AV_LOG_VERBOSE, "\n");
856 }
857
858 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
859 total_packets, total_size);
860 }
861
862 for (i = 0; i < nb_output_files; i++) {
863 OutputFile *of = output_files[i];
864 uint64_t total_packets = 0, total_size = 0;
865
866 av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
867 i, of->ctx->filename);
868
869 for (j = 0; j < of->ctx->nb_streams; j++) {
870 OutputStream *ost = output_streams[of->ost_index + j];
38313626 871 enum AVMediaType type = ost->enc_ctx->codec_type;
47543450
AK
872
873 total_size += ost->data_size;
874 total_packets += ost->packets_written;
875
876 av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
877 i, j, media_type_string(type));
878 if (ost->encoding_needed) {
879 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
880 ost->frames_encoded);
881 if (type == AVMEDIA_TYPE_AUDIO)
882 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
883 av_log(NULL, AV_LOG_VERBOSE, "; ");
884 }
885
886 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
887 ost->packets_written, ost->data_size);
888
889 av_log(NULL, AV_LOG_VERBOSE, "\n");
890 }
891
892 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
893 total_packets, total_size);
894 }
a220b07b
AK
895}
896
ea9367e9 897static void print_report(int is_last_report, int64_t timer_start)
6291d7e4
AK
898{
899 char buf[1024];
900 OutputStream *ost;
901 AVFormatContext *oc;
902 int64_t total_size;
903 AVCodecContext *enc;
904 int frame_number, vid, i;
905 double bitrate, ti1, pts;
906 static int64_t last_time = -1;
907 static int qp_histogram[52];
908
3460dd8a
AK
909 if (!print_stats && !is_last_report)
910 return;
911
6291d7e4
AK
912 if (!is_last_report) {
913 int64_t cur_time;
914 /* display the report every 0.5 seconds */
d0c09302 915 cur_time = av_gettime_relative();
6291d7e4
AK
916 if (last_time == -1) {
917 last_time = cur_time;
918 return;
919 }
920 if ((cur_time - last_time) < 500000)
921 return;
922 last_time = cur_time;
923 }
924
925
2e215267 926 oc = output_files[0]->ctx;
6291d7e4
AK
927
928 total_size = avio_size(oc->pb);
1b891d17 929 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
7636c8c6 930 total_size = avio_tell(oc->pb);
1b891d17
JG
931 if (total_size < 0) {
932 char errbuf[128];
933 av_strerror(total_size, errbuf, sizeof(errbuf));
934 av_log(NULL, AV_LOG_VERBOSE, "Bitrate not available, "
935 "avio_tell() failed: %s\n", errbuf);
936 total_size = 0;
937 }
6291d7e4
AK
938
939 buf[0] = '\0';
940 ti1 = 1e10;
941 vid = 0;
ea9367e9 942 for (i = 0; i < nb_output_streams; i++) {
6291d7e4 943 float q = -1;
2e215267 944 ost = output_streams[i];
38313626 945 enc = ost->enc_ctx;
5d3addb9
VG
946 if (!ost->stream_copy)
947 q = ost->quality / (float) FF_QP2LAMBDA;
948
6291d7e4
AK
949 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
950 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
951 }
952 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
d0c09302 953 float t = (av_gettime_relative() - timer_start) / 1000000.0;
6291d7e4
AK
954
955 frame_number = ost->frame_number;
956 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
7636c8c6
AD
957 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
958 if (is_last_report)
6291d7e4 959 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
7636c8c6 960 if (qp_hist) {
6291d7e4
AK
961 int j;
962 int qp = lrintf(q);
7636c8c6 963 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
6291d7e4 964 qp_histogram[qp]++;
7636c8c6 965 for (j = 0; j < 32; j++)
d752509b 966 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
6291d7e4 967 }
40cf1bba 968
e2a3df1a 969#if FF_API_CODED_FRAME && FF_API_ERROR_FRAME
40cf1bba 970FF_DISABLE_DEPRECATION_WARNINGS
7c6eb0a1 971 if (enc->flags & AV_CODEC_FLAG_PSNR) {
6291d7e4 972 int j;
7636c8c6
AD
973 double error, error_sum = 0;
974 double scale, scale_sum = 0;
975 char type[3] = { 'Y','U','V' };
6291d7e4 976 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
7636c8c6
AD
977 for (j = 0; j < 3; j++) {
978 if (is_last_report) {
979 error = enc->error[j];
980 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
981 } else {
982 error = enc->coded_frame->error[j];
983 scale = enc->width * enc->height * 255.0 * 255.0;
6291d7e4 984 }
7636c8c6
AD
985 if (j)
986 scale /= 4;
6291d7e4
AK
987 error_sum += error;
988 scale_sum += scale;
7636c8c6 989 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
6291d7e4 990 }
7636c8c6 991 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
6291d7e4 992 }
40cf1bba
VG
993FF_ENABLE_DEPRECATION_WARNINGS
994#endif
6291d7e4
AK
995 vid = 1;
996 }
997 /* compute min output value */
3e265ca5 998 pts = (double)ost->last_mux_dts * av_q2d(ost->mux_timebase);
6291d7e4
AK
999 if ((pts < ti1) && (pts > 0))
1000 ti1 = pts;
1001 }
1002 if (ti1 < 0.01)
1003 ti1 = 0.01;
1004
e3245b26 1005 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
6291d7e4 1006
e3245b26 1007 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
6291d7e4
AK
1008 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1009 (double)total_size / 1024, ti1, bitrate);
1010
781d97fd
AK
1011 if (nb_frames_drop)
1012 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " drop=%d",
1013 nb_frames_drop);
6291d7e4 1014
f5646a32 1015 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
6291d7e4 1016
e3245b26 1017 fflush(stderr);
6291d7e4 1018
a220b07b
AK
1019 if (is_last_report)
1020 print_final_stats(total_size);
baeb59d8 1021
6291d7e4
AK
1022}
1023
ea9367e9 1024static void flush_encoders(void)
4a4ce2e7
AK
1025{
1026 int i, ret;
1027
ea9367e9 1028 for (i = 0; i < nb_output_streams; i++) {
2e215267 1029 OutputStream *ost = output_streams[i];
38313626 1030 AVCodecContext *enc = ost->enc_ctx;
398f015f 1031 OutputFile *of = output_files[ost->file_index];
ee458cb1 1032 int stop_encoding = 0;
6f1c66d5 1033
b62b5cb6 1034 if (!ost->encoding_needed)
6f1c66d5
AK
1035 continue;
1036
38313626 1037 if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
6f1c66d5 1038 continue;
6f1c66d5 1039
35846d93 1040 if (enc->codec_type != AVMEDIA_TYPE_VIDEO && enc->codec_type != AVMEDIA_TYPE_AUDIO)
1041 continue;
1042
1043 avcodec_send_frame(enc, NULL);
1044
7636c8c6 1045 for (;;) {
35846d93 1046 const char *desc = NULL;
6f1c66d5 1047
38313626 1048 switch (enc->codec_type) {
6f1c66d5 1049 case AVMEDIA_TYPE_AUDIO:
369cb092 1050 desc = "Audio";
6f1c66d5
AK
1051 break;
1052 case AVMEDIA_TYPE_VIDEO:
369cb092 1053 desc = "Video";
369cb092
AK
1054 break;
1055 default:
35846d93 1056 av_assert0(0);
369cb092
AK
1057 }
1058
35846d93 1059 if (1) {
369cb092 1060 AVPacket pkt;
369cb092
AK
1061 av_init_packet(&pkt);
1062 pkt.data = NULL;
1063 pkt.size = 0;
1064
35846d93 1065 ret = avcodec_receive_packet(enc, &pkt);
1066 if (ret < 0 && ret != AVERROR_EOF) {
369cb092 1067 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
636ced8e 1068 exit_program(1);
6f1c66d5 1069 }
6f1c66d5
AK
1070 if (ost->logfile && enc->stats_out) {
1071 fprintf(ost->logfile, "%s", enc->stats_out);
1072 }
35846d93 1073 if (ret == AVERROR_EOF) {
ee458cb1
JR
1074 stop_encoding = 1;
1075 break;
1076 }
398f015f 1077 output_packet(of, &pkt, ost);
4a4ce2e7 1078 }
369cb092 1079
ee458cb1 1080 if (stop_encoding)
6f1c66d5 1081 break;
4a4ce2e7
AK
1082 }
1083 }
1084}
1085
7204ec1a
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1086/*
1087 * Check whether a packet from ist should be written into ost at this time
1088 */
1089static int check_output_constraints(InputStream *ist, OutputStream *ost)
1090{
2e215267
AK
1091 OutputFile *of = output_files[ost->file_index];
1092 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
7204ec1a
AK
1093
1094 if (ost->source_index != ist_index)
1095 return 0;
1096
56ee3f9d 1097 if (of->start_time != AV_NOPTS_VALUE && ist->last_dts < of->start_time)
7204ec1a
AK
1098 return 0;
1099
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1100 return 1;
1101}
1102
1103static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1104{
2e215267 1105 OutputFile *of = output_files[ost->file_index];
488a0fa6 1106 InputFile *f = input_files [ist->file_index];
56ee3f9d 1107 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
3e265ca5 1108 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->mux_timebase);
7204ec1a
AK
1109 AVPacket opkt;
1110
1111 av_init_packet(&opkt);
1112
1113 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1114 !ost->copy_initial_nonkeyframes)
1115 return;
1116
1270e12e 1117 if (of->recording_time != INT64_MAX &&
56ee3f9d 1118 ist->last_dts >= of->recording_time + start_time) {
57d24225 1119 ost->finished = 1;
1270e12e
AK
1120 return;
1121 }
1122
488a0fa6
AK
1123 if (f->recording_time != INT64_MAX) {
1124 start_time = f->ctx->start_time;
1125 if (f->start_time != AV_NOPTS_VALUE)
1126 start_time += f->start_time;
1127 if (ist->last_dts >= f->recording_time + start_time) {
1128 ost->finished = 1;
1129 return;
1130 }
1131 }
1132
7204ec1a 1133 /* force the input stream PTS */
38313626 1134 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
7204ec1a 1135 ost->sync_opts++;
7204ec1a 1136
7204ec1a 1137 if (pkt->pts != AV_NOPTS_VALUE)
3e265ca5 1138 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->mux_timebase) - ost_tb_start_time;
7204ec1a
AK
1139 else
1140 opkt.pts = AV_NOPTS_VALUE;
1141
1142 if (pkt->dts == AV_NOPTS_VALUE)
3e265ca5 1143 opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->mux_timebase);
7204ec1a 1144 else
3e265ca5 1145 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->mux_timebase);
7204ec1a
AK
1146 opkt.dts -= ost_tb_start_time;
1147
3e265ca5 1148 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->mux_timebase);
7204ec1a
AK
1149 opkt.flags = pkt->flags;
1150
7636c8c6 1151 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
38313626
AK
1152 if ( ost->enc_ctx->codec_id != AV_CODEC_ID_H264
1153 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG1VIDEO
1154 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG2VIDEO
1155 && ost->enc_ctx->codec_id != AV_CODEC_ID_VC1
7204ec1a 1156 ) {
35c85806 1157 if (av_parser_change(ost->parser, ost->parser_avctx,
c872d310
AK
1158 &opkt.data, &opkt.size,
1159 pkt->data, pkt->size,
1160 pkt->flags & AV_PKT_FLAG_KEY)) {
9b2dc295
AK
1161 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1162 if (!opkt.buf)
636ced8e 1163 exit_program(1);
9b2dc295 1164 }
7204ec1a
AK
1165 } else {
1166 opkt.data = pkt->data;
1167 opkt.size = pkt->size;
1168 }
1169
398f015f 1170 output_packet(of, &opkt, ost);
7204ec1a
AK
1171}
1172
a3a0230a
AK
1173static int ifilter_send_frame(InputFilter *ifilter, AVFrame *frame)
1174{
1175 FilterGraph *fg = ifilter->graph;
1176 int need_reinit, ret, i;
1177
1178 /* determine if the parameters for this input changed */
1179 need_reinit = ifilter->format != frame->format;
1180 if (!!ifilter->hw_frames_ctx != !!frame->hw_frames_ctx ||
1181 (ifilter->hw_frames_ctx && ifilter->hw_frames_ctx->data != frame->hw_frames_ctx->data))
1182 need_reinit = 1;
1183
1184 switch (ifilter->ist->st->codecpar->codec_type) {
1185 case AVMEDIA_TYPE_AUDIO:
1186 need_reinit |= ifilter->sample_rate != frame->sample_rate ||
1187 ifilter->channel_layout != frame->channel_layout;
1188 break;
1189 case AVMEDIA_TYPE_VIDEO:
1190 need_reinit |= ifilter->width != frame->width ||
1191 ifilter->height != frame->height;
1192 break;
1193 }
1194
1195 if (need_reinit) {
1196 ret = ifilter_parameters_from_frame(ifilter, frame);
1197 if (ret < 0)
1198 return ret;
1199 }
1200
1201 /* (re)init the graph if possible, otherwise buffer the frame and return */
1202 if (need_reinit || !fg->graph) {
1203 for (i = 0; i < fg->nb_inputs; i++) {
1204 if (fg->inputs[i]->format < 0) {
1205 AVFrame *tmp = av_frame_clone(frame);
1206 if (!tmp)
1207 return AVERROR(ENOMEM);
1208 av_frame_unref(frame);
1209
1210 if (!av_fifo_space(ifilter->frame_queue)) {
1211 ret = av_fifo_realloc2(ifilter->frame_queue, 2 * av_fifo_size(ifilter->frame_queue));
1212 if (ret < 0)
1213 return ret;
1214 }
1215 av_fifo_generic_write(ifilter->frame_queue, &tmp, sizeof(tmp), NULL);
1216 return 0;
1217 }
1218 }
1219
1220 ret = poll_filters();
1221 if (ret < 0 && ret != AVERROR_EOF) {
1222 char errbuf[128];
1223 av_strerror(ret, errbuf, sizeof(errbuf));
1224
1225 av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
1226 return ret;
1227 }
1228
1229 ret = configure_filtergraph(fg);
1230 if (ret < 0) {
1231 av_log(NULL, AV_LOG_ERROR, "Error reinitializing filters!\n");
1232 return ret;
1233 }
a3a0230a
AK
1234 }
1235
1236 ret = av_buffersrc_add_frame(ifilter->filter, frame);
1237 if (ret < 0) {
1238 av_log(NULL, AV_LOG_ERROR, "Error while filtering\n");
1239 return ret;
1240 }
1241
1242 return 0;
1243}
1244
94ebf556
AK
1245static int ifilter_send_eof(InputFilter *ifilter)
1246{
1247 int i, j, ret;
1248
1249 ifilter->eof = 1;
1250
1251 if (ifilter->filter) {
1252 ret = av_buffersrc_add_frame(ifilter->filter, NULL);
1253 if (ret < 0)
1254 return ret;
1255 } else {
1256 // the filtergraph was never configured
1257 FilterGraph *fg = ifilter->graph;
1258 for (i = 0; i < fg->nb_inputs; i++)
1259 if (!fg->inputs[i]->eof)
1260 break;
1261 if (i == fg->nb_inputs) {
1262 // All the input streams have finished without the filtergraph
1263 // ever being configured.
1264 // Mark the output streams as finished.
1265 for (j = 0; j < fg->nb_outputs; j++)
1266 finish_output_stream(fg->outputs[j]->ost);
1267 }
1268 }
1269
1270 return 0;
1271}
1272
84aea95e 1273// This does not quite work like avcodec_decode_audio4/avcodec_decode_video2.
1274// There is the following difference: if you got a frame, you must call
1275// it again with pkt=NULL. pkt==NULL is treated differently from pkt.size==0
1276// (pkt==NULL means get more output, pkt.size==0 is a flush/drain packet)
1277static int decode(AVCodecContext *avctx, AVFrame *frame, int *got_frame, AVPacket *pkt)
1278{
1279 int ret;
1280
1281 *got_frame = 0;
1282
1283 if (pkt) {
1284 ret = avcodec_send_packet(avctx, pkt);
1285 // In particular, we don't expect AVERROR(EAGAIN), because we read all
1286 // decoded frames with avcodec_receive_frame() until done.
1287 if (ret < 0)
1288 return ret == AVERROR_EOF ? 0 : ret;
1289 }
1290
1291 ret = avcodec_receive_frame(avctx, frame);
1292 if (ret < 0 && ret != AVERROR(EAGAIN) && ret != AVERROR_EOF)
1293 return ret;
1294 if (ret >= 0)
1295 *got_frame = 1;
1296
1297 return 0;
1298}
1299
f5e66827 1300int guess_input_channel_layout(InputStream *ist)
369cb092 1301{
41776ba9 1302 AVCodecContext *dec = ist->dec_ctx;
369cb092
AK
1303
1304 if (!dec->channel_layout) {
1305 char layout_name[256];
1306
1307 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1308 if (!dec->channel_layout)
1309 return 0;
1310 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1311 dec->channels, dec->channel_layout);
41ed7ab4 1312 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
369cb092
AK
1313 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1314 }
1315 return 1;
1316}
1317
0629f612 1318static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
ded28ba3 1319{
9b2dc295 1320 AVFrame *decoded_frame, *f;
41776ba9 1321 AVCodecContext *avctx = ist->dec_ctx;
a3a0230a 1322 int i, ret, err = 0;
ded28ba3 1323
5b9c3b45 1324 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
d1241ff3 1325 return AVERROR(ENOMEM);
9b2dc295
AK
1326 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1327 return AVERROR(ENOMEM);
9179f27c 1328 decoded_frame = ist->decoded_frame;
ded28ba3 1329
84aea95e 1330 ret = decode(avctx, decoded_frame, got_output, pkt);
b114f6d4 1331 if (!*got_output || ret < 0)
af8ad892 1332 return ret;
ded28ba3 1333
47543450
AK
1334 ist->samples_decoded += decoded_frame->nb_samples;
1335 ist->frames_decoded++;
1336
d1241ff3
JR
1337 /* if the decoder provides a pts, use it instead of the last packet pts.
1338 the decoder could be delaying output by a packet or more. */
1339 if (decoded_frame->pts != AV_NOPTS_VALUE)
3101bb66 1340 ist->next_dts = decoded_frame->pts;
84aea95e 1341 else if (pkt && pkt->pts != AV_NOPTS_VALUE) {
369cb092 1342 decoded_frame->pts = pkt->pts;
84aea95e 1343 }
ded28ba3 1344
715129cd
MS
1345 if (decoded_frame->pts != AV_NOPTS_VALUE)
1346 decoded_frame->pts = av_rescale_q(decoded_frame->pts,
1347 ist->st->time_base,
41776ba9 1348 (AVRational){1, avctx->sample_rate});
16b0c929 1349 ist->nb_samples = decoded_frame->nb_samples;
9b2dc295
AK
1350 for (i = 0; i < ist->nb_filters; i++) {
1351 if (i < ist->nb_filters - 1) {
1352 f = ist->filter_frame;
1353 err = av_frame_ref(f, decoded_frame);
1354 if (err < 0)
1355 break;
1356 } else
1357 f = decoded_frame;
369cb092 1358
a3a0230a 1359 err = ifilter_send_frame(ist->filters[i], f);
9b2dc295
AK
1360 if (err < 0)
1361 break;
1362 }
1363
1364 av_frame_unref(ist->filter_frame);
1365 av_frame_unref(decoded_frame);
1366 return err < 0 ? err : ret;
ded28ba3
AK
1367}
1368
0629f612 1369static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
45d4b66f 1370{
9b2dc295 1371 AVFrame *decoded_frame, *f;
a3a0230a 1372 int i, ret = 0, err = 0;
45d4b66f 1373
9b2dc295
AK
1374 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1375 return AVERROR(ENOMEM);
1376 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
45d4b66f 1377 return AVERROR(ENOMEM);
9179f27c 1378 decoded_frame = ist->decoded_frame;
45d4b66f 1379
84aea95e 1380 ret = decode(ist->dec_ctx, decoded_frame, got_output, pkt);
b114f6d4 1381 if (!*got_output || ret < 0)
af8ad892 1382 return ret;
f154ef1a 1383
47543450
AK
1384 ist->frames_decoded++;
1385
07fd0a22 1386 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
41776ba9 1387 err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
07fd0a22
AK
1388 if (err < 0)
1389 goto fail;
1390 }
1391 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
1392
beb62dac 1393 decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pts,
b34856a1 1394 decoded_frame->pkt_dts);
45d4b66f 1395
695ec04e
AK
1396 if (ist->st->sample_aspect_ratio.num)
1397 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1398
3b266da3 1399 for (i = 0; i < ist->nb_filters; i++) {
9b2dc295
AK
1400 if (i < ist->nb_filters - 1) {
1401 f = ist->filter_frame;
1402 err = av_frame_ref(f, decoded_frame);
1403 if (err < 0)
1404 break;
04a14d4d 1405 } else
9b2dc295
AK
1406 f = decoded_frame;
1407
a3a0230a 1408 err = ifilter_send_frame(ist->filters[i], f);
9b2dc295
AK
1409 if (err < 0)
1410 break;
45d4b66f
AK
1411 }
1412
07fd0a22 1413fail:
9b2dc295
AK
1414 av_frame_unref(ist->filter_frame);
1415 av_frame_unref(decoded_frame);
9b2dc295 1416 return err < 0 ? err : ret;
45d4b66f
AK
1417}
1418
9595234c
AK
1419static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1420{
1421 AVSubtitle subtitle;
41776ba9 1422 int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
9595234c
AK
1423 &subtitle, got_output, pkt);
1424 if (ret < 0)
1425 return ret;
1426 if (!*got_output)
af8ad892 1427 return ret;
9595234c 1428
47543450
AK
1429 ist->frames_decoded++;
1430
9595234c 1431 for (i = 0; i < nb_output_streams; i++) {
2e215267 1432 OutputStream *ost = output_streams[i];
9595234c
AK
1433
1434 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1435 continue;
1436
398f015f 1437 do_subtitle_out(output_files[ost->file_index], ost, ist, &subtitle, pkt->pts);
9595234c
AK
1438 }
1439
1440 avsubtitle_free(&subtitle);
af8ad892 1441 return ret;
9595234c
AK
1442}
1443
b114f6d4
AK
1444static int send_filter_eof(InputStream *ist)
1445{
94ebf556 1446 int i, ret;
b114f6d4 1447 for (i = 0; i < ist->nb_filters; i++) {
94ebf556
AK
1448 ret = ifilter_send_eof(ist->filters[i]);
1449 if (ret < 0)
1450 return ret;
b114f6d4
AK
1451 }
1452 return 0;
1453}
1454
6291d7e4 1455/* pkt = NULL means EOF (needed to flush decoder buffers) */
16b0c929 1456static void process_input_packet(InputStream *ist, const AVPacket *pkt, int no_eof)
6291d7e4 1457{
ffa0674e 1458 int i;
84aea95e 1459 int repeating = 0;
6291d7e4 1460 AVPacket avpkt;
6291d7e4 1461
3101bb66 1462 if (ist->next_dts == AV_NOPTS_VALUE)
23576b3f 1463 ist->next_dts = ist->last_dts;
6291d7e4 1464
f929ab05 1465 if (!pkt) {
6291d7e4
AK
1466 /* EOF handling */
1467 av_init_packet(&avpkt);
1468 avpkt.data = NULL;
1469 avpkt.size = 0;
6291d7e4
AK
1470 } else {
1471 avpkt = *pkt;
1472 }
1473
84aea95e 1474 if (pkt && pkt->dts != AV_NOPTS_VALUE)
23576b3f 1475 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
6291d7e4 1476
7636c8c6 1477 // while we have more to decode or while the decoder did output something on EOF
84aea95e 1478 while (ist->decoding_needed && (!pkt || avpkt.size > 0)) {
ffa0674e 1479 int ret = 0;
84aea95e 1480 int got_output = 0;
6291d7e4 1481
84aea95e 1482 if (!repeating)
1483 ist->last_dts = ist->next_dts;
8b0268a8 1484
41776ba9 1485 switch (ist->dec_ctx->codec_type) {
82963f8f 1486 case AVMEDIA_TYPE_AUDIO:
84aea95e 1487 ret = decode_audio (ist, repeating ? NULL : &avpkt, &got_output);
82963f8f
AK
1488 break;
1489 case AVMEDIA_TYPE_VIDEO:
84aea95e 1490 ret = decode_video (ist, repeating ? NULL : &avpkt, &got_output);
1491 if (repeating && !got_output)
1492 ;
1493 else if (pkt && pkt->duration)
1494 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
aba232cf 1495 else if (ist->st->avg_frame_rate.num)
82494835 1496 ist->next_dts += av_rescale_q(1, av_inv_q(ist->st->avg_frame_rate),
722410ad 1497 AV_TIME_BASE_Q);
557d4c4e 1498 else if (ist->dec_ctx->framerate.num != 0) {
b34856a1 1499 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
41776ba9 1500 ist->dec_ctx->ticks_per_frame;
557d4c4e 1501 ist->next_dts += av_rescale_q(ticks, ist->dec_ctx->framerate, AV_TIME_BASE_Q);
b34856a1 1502 }
82963f8f
AK
1503 break;
1504 case AVMEDIA_TYPE_SUBTITLE:
84aea95e 1505 if (repeating)
1506 break;
82963f8f
AK
1507 ret = transcode_subtitles(ist, &avpkt, &got_output);
1508 break;
78162b4e 1509 default:
9a5e4fbe
AK
1510 return;
1511 }
1512
1513 if (ret < 0) {
1514 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
1515 ist->file_index, ist->st->index);
1516 if (exit_on_error)
1517 exit_program(1);
1518 break;
78162b4e 1519 }
6291d7e4 1520
84aea95e 1521 if (!got_output)
1522 break;
1523
1524 repeating = 1;
6291d7e4 1525 }
6291d7e4 1526
b114f6d4 1527 /* after flushing, send an EOF on all the filter inputs attached to the stream */
16b0c929
AH
1528 /* except when looping we need to flush but not to send an EOF */
1529 if (!pkt && ist->decoding_needed && !no_eof) {
b114f6d4
AK
1530 int ret = send_filter_eof(ist);
1531 if (ret < 0) {
1532 av_log(NULL, AV_LOG_FATAL, "Error marking filters as finished\n");
1533 exit_program(1);
1534 }
1535 }
1536
7204ec1a 1537 /* handle stream copy */
2a651b71 1538 if (!ist->decoding_needed) {
23576b3f 1539 ist->last_dts = ist->next_dts;
41776ba9 1540 switch (ist->dec_ctx->codec_type) {
2a651b71 1541 case AVMEDIA_TYPE_AUDIO:
41776ba9
AK
1542 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
1543 ist->dec_ctx->sample_rate;
2a651b71
AK
1544 break;
1545 case AVMEDIA_TYPE_VIDEO:
557d4c4e 1546 if (ist->dec_ctx->framerate.num != 0) {
41776ba9 1547 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
3101bb66 1548 ist->next_dts += ((int64_t)AV_TIME_BASE *
557d4c4e
AK
1549 ist->dec_ctx->framerate.den * ticks) /
1550 ist->dec_ctx->framerate.num;
2a651b71
AK
1551 }
1552 break;
1553 }
1554 }
ea9367e9 1555 for (i = 0; pkt && i < nb_output_streams; i++) {
2e215267 1556 OutputStream *ost = output_streams[i];
7204ec1a
AK
1557
1558 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1559 continue;
1560
1561 do_streamcopy(ist, ost, pkt);
1562 }
1563
9a5e4fbe 1564 return;
6291d7e4
AK
1565}
1566
ea9367e9 1567static void print_sdp(void)
6291d7e4 1568{
a23abaf3 1569 char sdp[16384];
af70aa45 1570 int i;
1c169782 1571 AVFormatContext **avc;
af70aa45 1572
1c169782
AK
1573 for (i = 0; i < nb_output_files; i++) {
1574 if (!output_files[i]->header_written)
1575 return;
1576 }
1577
1578 avc = av_malloc(sizeof(*avc) * nb_output_files);
af70aa45 1579 if (!avc)
636ced8e 1580 exit_program(1);
ea9367e9 1581 for (i = 0; i < nb_output_files; i++)
2e215267 1582 avc[i] = output_files[i]->ctx;
6291d7e4 1583
ea9367e9 1584 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
6291d7e4
AK
1585 printf("SDP:\n%s\n", sdp);
1586 fflush(stdout);
af70aa45 1587 av_freep(&avc);
6291d7e4
AK
1588}
1589
07fd0a22
AK
1590static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
1591{
1592 int i;
1593 for (i = 0; hwaccels[i].name; i++)
1594 if (hwaccels[i].pix_fmt == pix_fmt)
1595 return &hwaccels[i];
1596 return NULL;
1597}
1598
1599static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
1600{
1601 InputStream *ist = s->opaque;
1602 const enum AVPixelFormat *p;
1603 int ret;
1604
1605 for (p = pix_fmts; *p != -1; p++) {
1606 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
1607 const HWAccel *hwaccel;
1608
1609 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
1610 break;
1611
1612 hwaccel = get_hwaccel(*p);
1613 if (!hwaccel ||
1614 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
1615 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
1616 continue;
1617
1618 ret = hwaccel->init(s);
1619 if (ret < 0) {
1620 if (ist->hwaccel_id == hwaccel->id) {
1621 av_log(NULL, AV_LOG_FATAL,
1622 "%s hwaccel requested for input stream #%d:%d, "
1623 "but cannot be initialized.\n", hwaccel->name,
1624 ist->file_index, ist->st->index);
dc7536ca 1625 return AV_PIX_FMT_NONE;
07fd0a22
AK
1626 }
1627 continue;
1628 }
232399e3
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1629
1630 if (ist->hw_frames_ctx) {
1631 s->hw_frames_ctx = av_buffer_ref(ist->hw_frames_ctx);
1632 if (!s->hw_frames_ctx)
1633 return AV_PIX_FMT_NONE;
1634 }
1635
07fd0a22
AK
1636 ist->active_hwaccel_id = hwaccel->id;
1637 ist->hwaccel_pix_fmt = *p;
1638 break;
1639 }
1640
1641 return *p;
1642}
1643
1644static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
1645{
1646 InputStream *ist = s->opaque;
1647
1648 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
1649 return ist->hwaccel_get_buffer(s, frame, flags);
1650
1651 return avcodec_default_get_buffer2(s, frame, flags);
1652}
1653
ea9367e9 1654static int init_input_stream(int ist_index, char *error, int error_len)
630902a1 1655{
a3a0230a 1656 int ret;
2e215267 1657 InputStream *ist = input_streams[ist_index];
ba7397ba 1658
630902a1
AK
1659 if (ist->decoding_needed) {
1660 AVCodec *codec = ist->dec;
630902a1 1661 if (!codec) {
9a414d89 1662 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
41776ba9 1663 ist->dec_ctx->codec_id, ist->file_index, ist->st->index);
630902a1
AK
1664 return AVERROR(EINVAL);
1665 }
1666
41776ba9
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1667 ist->dec_ctx->opaque = ist;
1668 ist->dec_ctx->get_format = get_format;
1669 ist->dec_ctx->get_buffer2 = get_buffer;
1670 ist->dec_ctx->thread_safe_callbacks = 1;
07fd0a22 1671
41776ba9 1672 av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
64dca32c 1673
f3a6ad22
AK
1674 if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
1675 av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
41776ba9 1676 if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
42cc6cef 1677 char errbuf[128];
c854102d
NC
1678 if (ret == AVERROR_EXPERIMENTAL)
1679 abort_codec_experimental(codec, 0);
42cc6cef
LB
1680
1681 av_strerror(ret, errbuf, sizeof(errbuf));
1682
1683 snprintf(error, error_len,
1684 "Error while opening decoder for input stream "
1685 "#%d:%d : %s",
1686 ist->file_index, ist->st->index, errbuf);
c854102d 1687 return ret;
630902a1 1688 }
f3a6ad22 1689 assert_avoptions(ist->decoder_opts);
630902a1
AK
1690 }
1691
41776ba9 1692 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 1693 ist->next_dts = AV_NOPTS_VALUE;
630902a1 1694 init_pts_correction(&ist->pts_ctx);
630902a1
AK
1695
1696 return 0;
1697}
1698
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1699static InputStream *get_input_stream(OutputStream *ost)
1700{
1701 if (ost->source_index >= 0)
1702 return input_streams[ost->source_index];
1703
1704 if (ost->filter) {
1705 FilterGraph *fg = ost->filter->graph;
1706 int i;
1707
1708 for (i = 0; i < fg->nb_inputs; i++)
38313626 1709 if (fg->inputs[i]->ist->dec_ctx->codec_type == ost->enc_ctx->codec_type)
3b266da3
AK
1710 return fg->inputs[i]->ist;
1711 }
1712
1713 return NULL;
1714}
1715
1c169782
AK
1716/* open the muxer when all the streams are initialized */
1717static int check_init_output_file(OutputFile *of, int file_index)
1718{
1719 int ret, i;
1720
1721 for (i = 0; i < of->ctx->nb_streams; i++) {
1722 OutputStream *ost = output_streams[of->ost_index + i];
1723 if (!ost->initialized)
1724 return 0;
1725 }
1726
1727 of->ctx->interrupt_callback = int_cb;
1728
1729 ret = avformat_write_header(of->ctx, &of->opts);
1730 if (ret < 0) {
1731 char errbuf[128];
1732
1733 av_strerror(ret, errbuf, sizeof(errbuf));
1734
1735 av_log(NULL, AV_LOG_ERROR,
1736 "Could not write header for output file #%d "
1737 "(incorrect codec parameters ?): %s",
1738 file_index, errbuf);
1739 return ret;
1740 }
1741 assert_avoptions(of->opts);
1742 of->header_written = 1;
1743
1744 av_dump_format(of->ctx, file_index, of->ctx->filename, 1);
1745
1746 if (want_sdp)
1747 print_sdp();
1748
398f015f
AK
1749 /* flush the muxing queues */
1750 for (i = 0; i < of->ctx->nb_streams; i++) {
1751 OutputStream *ost = output_streams[of->ost_index + i];
1752
1753 while (av_fifo_size(ost->muxing_queue)) {
1754 AVPacket pkt;
1755 av_fifo_generic_read(ost->muxing_queue, &pkt, sizeof(pkt), NULL);
1756 write_packet(of, &pkt, ost);
1757 }
1758 }
1759
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AK
1760 return 0;
1761}
1762
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1763static int init_output_bsfs(OutputStream *ost)
1764{
1765 AVBSFContext *ctx;
1766 int i, ret;
1767
1768 if (!ost->nb_bitstream_filters)
1769 return 0;
1770
1771 ost->bsf_ctx = av_mallocz_array(ost->nb_bitstream_filters, sizeof(*ost->bsf_ctx));
1772 if (!ost->bsf_ctx)
1773 return AVERROR(ENOMEM);
1774
1775 for (i = 0; i < ost->nb_bitstream_filters; i++) {
1776 ret = av_bsf_alloc(ost->bitstream_filters[i], &ctx);
1777 if (ret < 0) {
41ed7ab4 1778 av_log(NULL, AV_LOG_ERROR, "Error allocating a bitstream filter context\n");
4426540f
AK
1779 return ret;
1780 }
1781 ost->bsf_ctx[i] = ctx;
1782
1783 ret = avcodec_parameters_copy(ctx->par_in,
1784 i ? ost->bsf_ctx[i - 1]->par_out : ost->st->codecpar);
1785 if (ret < 0)
1786 return ret;
1787
1788 ctx->time_base_in = i ? ost->bsf_ctx[i - 1]->time_base_out : ost->st->time_base;
1789
1790 ret = av_bsf_init(ctx);
1791 if (ret < 0) {
41ed7ab4 1792 av_log(NULL, AV_LOG_ERROR, "Error initializing bitstream filter: %s\n",
4426540f
AK
1793 ost->bitstream_filters[i]->name);
1794 return ret;
1795 }
1796 }
1797
1798 ctx = ost->bsf_ctx[ost->nb_bitstream_filters - 1];
1799 ret = avcodec_parameters_copy(ost->st->codecpar, ctx->par_out);
1800 if (ret < 0)
1801 return ret;
1802
1803 ost->st->time_base = ctx->time_base_out;
1804
1805 return 0;
1806}
1807
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AK
1808static int init_output_stream_streamcopy(OutputStream *ost)
1809{
1810 OutputFile *of = output_files[ost->file_index];
1811 InputStream *ist = get_input_stream(ost);
1812 AVCodecParameters *par_dst = ost->st->codecpar;
1813 AVCodecParameters *par_src = ist->st->codecpar;
1814 AVRational sar;
1815 int i;
1816 uint64_t extra_size;
1817
1818 extra_size = (uint64_t)par_src->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE;
1819 if (extra_size > INT_MAX) {
1820 return AVERROR(EINVAL);
1821 }
1822
1823 ost->st->disposition = ist->st->disposition;
1824
1825 /* if stream_copy is selected, no need to decode or encode */
1826 par_dst->codec_id = par_src->codec_id;
1827 par_dst->codec_type = par_src->codec_type;
1828
1829 if (!par_dst->codec_tag) {
1830 if (!of->ctx->oformat->codec_tag ||
1831 av_codec_get_id (of->ctx->oformat->codec_tag, par_src->codec_tag) == par_dst->codec_id ||
1832 av_codec_get_tag(of->ctx->oformat->codec_tag, par_src->codec_id) <= 0)
1833 par_dst->codec_tag = par_src->codec_tag;
1834 }
1835
1836 par_dst->bit_rate = par_src->bit_rate;
1837 par_dst->field_order = par_src->field_order;
1838 par_dst->chroma_location = par_src->chroma_location;
1839
1840 if (par_src->extradata) {
1841 par_dst->extradata = av_mallocz(extra_size);
1842 if (!par_dst->extradata) {
1843 return AVERROR(ENOMEM);
1844 }
1845 memcpy(par_dst->extradata, par_src->extradata, par_src->extradata_size);
1846 par_dst->extradata_size = par_src->extradata_size;
1847 }
1848
1849 ost->st->time_base = ist->st->time_base;
1850
1851 if (ist->st->nb_side_data) {
1852 ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data,
1853 sizeof(*ist->st->side_data));
1854 if (!ost->st->side_data)
1855 return AVERROR(ENOMEM);
1856
1857 for (i = 0; i < ist->st->nb_side_data; i++) {
1858 const AVPacketSideData *sd_src = &ist->st->side_data[i];
1859 AVPacketSideData *sd_dst = &ost->st->side_data[i];
1860
1861 sd_dst->data = av_malloc(sd_src->size);
1862 if (!sd_dst->data)
1863 return AVERROR(ENOMEM);
1864 memcpy(sd_dst->data, sd_src->data, sd_src->size);
1865 sd_dst->size = sd_src->size;
1866 sd_dst->type = sd_src->type;
1867 ost->st->nb_side_data++;
1868 }
1869 }
1870
1871 ost->parser = av_parser_init(par_dst->codec_id);
1872 ost->parser_avctx = avcodec_alloc_context3(NULL);
1873 if (!ost->parser_avctx)
1874 return AVERROR(ENOMEM);
1875
1876 switch (par_dst->codec_type) {
1877 case AVMEDIA_TYPE_AUDIO:
1878 if (audio_volume != 256) {
1879 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
1880 exit_program(1);
1881 }
1882 par_dst->channel_layout = par_src->channel_layout;
1883 par_dst->sample_rate = par_src->sample_rate;
1884 par_dst->channels = par_src->channels;
1885 par_dst->block_align = par_src->block_align;
1886 break;
1887 case AVMEDIA_TYPE_VIDEO:
1888 par_dst->format = par_src->format;
1889 par_dst->width = par_src->width;
1890 par_dst->height = par_src->height;
1891 if (ost->frame_aspect_ratio)
1892 sar = av_d2q(ost->frame_aspect_ratio * par_dst->height / par_dst->width, 255);
1893 else if (ist->st->sample_aspect_ratio.num)
1894 sar = ist->st->sample_aspect_ratio;
1895 else
1896 sar = par_src->sample_aspect_ratio;
1897 ost->st->sample_aspect_ratio = par_dst->sample_aspect_ratio = sar;
1898 break;
1899 case AVMEDIA_TYPE_SUBTITLE:
1900 par_dst->width = par_src->width;
1901 par_dst->height = par_src->height;
1902 break;
1903 case AVMEDIA_TYPE_DATA:
1904 case AVMEDIA_TYPE_ATTACHMENT:
1905 break;
1906 default:
1907 abort();
1908 }
1909
1910 return 0;
1911}
1912
ba7397ba
AK
1913static void set_encoder_id(OutputFile *of, OutputStream *ost)
1914{
1915 AVDictionaryEntry *e;
1916
1917 uint8_t *encoder_string;
1918 int encoder_string_len;
1919 int format_flags = 0;
1920
1921 e = av_dict_get(of->opts, "fflags", NULL, 0);
1922 if (e) {
1923 const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
1924 if (!o)
1925 return;
1926 av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
1927 }
1928
1929 encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
1930 encoder_string = av_mallocz(encoder_string_len);
1931 if (!encoder_string)
1932 exit_program(1);
1933
1934 if (!(format_flags & AVFMT_FLAG_BITEXACT))
1935 av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
1936 av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
1937 av_dict_set(&ost->st->metadata, "encoder", encoder_string,
1938 AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
1939}
1940
1941static void parse_forced_key_frames(char *kf, OutputStream *ost,
1942 AVCodecContext *avctx)
1943{
1944 char *p;
1945 int n = 1, i;
1946 int64_t t;
1947
1948 for (p = kf; *p; p++)
1949 if (*p == ',')
1950 n++;
1951 ost->forced_kf_count = n;
1952 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1953 if (!ost->forced_kf_pts) {
1954 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1955 exit_program(1);
1956 }
1957
1958 p = kf;
1959 for (i = 0; i < n; i++) {
1960 char *next = strchr(p, ',');
1961
1962 if (next)
1963 *next++ = 0;
1964
1965 t = parse_time_or_die("force_key_frames", p, 1);
1966 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1967
1968 p = next;
1969 }
1970}
1971
1972static int init_output_stream_encode(OutputStream *ost)
1973{
1974 InputStream *ist = get_input_stream(ost);
1975 AVCodecContext *enc_ctx = ost->enc_ctx;
1976 AVCodecContext *dec_ctx = NULL;
1977
1978 set_encoder_id(output_files[ost->file_index], ost);
1979
1980 if (ist) {
1981 ost->st->disposition = ist->st->disposition;
1982
1983 dec_ctx = ist->dec_ctx;
1984
1985 enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
1986 enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
1987 }
1988
ba7397ba
AK
1989 switch (enc_ctx->codec_type) {
1990 case AVMEDIA_TYPE_AUDIO:
1991 enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
1992 enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
1993 enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
1994 enc_ctx->channels = av_get_channel_layout_nb_channels(enc_ctx->channel_layout);
1995 enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
1996 break;
1997 case AVMEDIA_TYPE_VIDEO:
1998 enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
1999
2000 enc_ctx->width = ost->filter->filter->inputs[0]->w;
2001 enc_ctx->height = ost->filter->filter->inputs[0]->h;
2002 enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2003 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
2004 av_d2q(ost->frame_aspect_ratio * enc_ctx->height/enc_ctx->width, 255) :
2005 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2006 enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
2007
2008 ost->st->avg_frame_rate = ost->frame_rate;
2009
2010 if (dec_ctx &&
2011 (enc_ctx->width != dec_ctx->width ||
2012 enc_ctx->height != dec_ctx->height ||
2013 enc_ctx->pix_fmt != dec_ctx->pix_fmt)) {
2014 enc_ctx->bits_per_raw_sample = 0;
2015 }
2016
2017 if (ost->forced_keyframes)
2018 parse_forced_key_frames(ost->forced_keyframes, ost,
2019 ost->enc_ctx);
2020 break;
2021 case AVMEDIA_TYPE_SUBTITLE:
2022 enc_ctx->time_base = (AVRational){1, 1000};
2023 break;
2024 default:
2025 abort();
2026 break;
2027 }
2028
2029 return 0;
2030}
2031
ab7b0389
AK
2032static int init_output_stream(OutputStream *ost, char *error, int error_len)
2033{
2034 int ret = 0;
2035
2036 if (ost->encoding_needed) {
2037 AVCodec *codec = ost->enc;
2038 AVCodecContext *dec = NULL;
2039 InputStream *ist;
2040
ba7397ba
AK
2041 ret = init_output_stream_encode(ost);
2042 if (ret < 0)
2043 return ret;
2044
ab7b0389
AK
2045 if ((ist = get_input_stream(ost)))
2046 dec = ist->dec_ctx;
2047 if (dec && dec->subtitle_header) {
2048 ost->enc_ctx->subtitle_header = av_malloc(dec->subtitle_header_size);
2049 if (!ost->enc_ctx->subtitle_header)
2050 return AVERROR(ENOMEM);
2051 memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2052 ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
2053 }
2054 if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
2055 av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
ab7b0389 2056
c15f6098
AK
2057 if (ost->filter && ost->filter->filter->inputs[0]->hw_frames_ctx) {
2058 ost->enc_ctx->hw_frames_ctx = av_buffer_ref(ost->filter->filter->inputs[0]->hw_frames_ctx);
2059 if (!ost->enc_ctx->hw_frames_ctx)
2060 return AVERROR(ENOMEM);
2061 }
2062
ab7b0389
AK
2063 if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
2064 if (ret == AVERROR_EXPERIMENTAL)
2065 abort_codec_experimental(codec, 1);
2066 snprintf(error, error_len,
2067 "Error while opening encoder for output stream #%d:%d - "
2068 "maybe incorrect parameters such as bit_rate, rate, width or height",
2069 ost->file_index, ost->index);
2070 return ret;
2071 }
2072 assert_avoptions(ost->encoder_opts);
2073 if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
2074 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2075 "It takes bits/s as argument, not kbits/s\n");
2076
15e84ed3 2077 ret = avcodec_parameters_from_context(ost->st->codecpar, ost->enc_ctx);
ab7b0389
AK
2078 if (ret < 0) {
2079 av_log(NULL, AV_LOG_FATAL,
2080 "Error initializing the output stream codec context.\n");
2081 exit_program(1);
2082 }
2083
e63e3797
AK
2084 if (ost->enc_ctx->nb_coded_side_data) {
2085 int i;
2086
2087 ost->st->side_data = av_realloc_array(NULL, ost->enc_ctx->nb_coded_side_data,
2088 sizeof(*ost->st->side_data));
2089 if (!ost->st->side_data)
2090 return AVERROR(ENOMEM);
2091
2092 for (i = 0; i < ost->enc_ctx->nb_coded_side_data; i++) {
2093 const AVPacketSideData *sd_src = &ost->enc_ctx->coded_side_data[i];
2094 AVPacketSideData *sd_dst = &ost->st->side_data[i];
2095
2096 sd_dst->data = av_malloc(sd_src->size);
2097 if (!sd_dst->data)
2098 return AVERROR(ENOMEM);
2099 memcpy(sd_dst->data, sd_src->data, sd_src->size);
2100 sd_dst->size = sd_src->size;
2101 sd_dst->type = sd_src->type;
2102 ost->st->nb_side_data++;
2103 }
2104 }
2105
ab7b0389 2106 ost->st->time_base = ost->enc_ctx->time_base;
5e184062 2107 } else if (ost->stream_copy) {
6ed0f70f
AK
2108 ret = init_output_stream_streamcopy(ost);
2109 if (ret < 0)
2110 return ret;
2111
15e84ed3 2112 /*
35c85806
AK
2113 * FIXME: will the codec context used by the parser during streamcopy
2114 * This should go away with the new parser API.
15e84ed3 2115 */
35c85806 2116 ret = avcodec_parameters_to_context(ost->parser_avctx, ost->st->codecpar);
15e84ed3
AK
2117 if (ret < 0)
2118 return ret;
ab7b0389
AK
2119 }
2120
4426540f
AK
2121 /* initialize bitstream filters for the output stream
2122 * needs to be done here, because the codec id for streamcopy is not
2123 * known until now */
2124 ret = init_output_bsfs(ost);
2125 if (ret < 0)
2126 return ret;
2127
3e265ca5
AK
2128 ost->mux_timebase = ost->st->time_base;
2129
1c169782
AK
2130 ost->initialized = 1;
2131
2132 ret = check_init_output_file(output_files[ost->file_index], ost->file_index);
2133 if (ret < 0)
2134 return ret;
2135
ab7b0389
AK
2136 return ret;
2137}
2138
ea9367e9 2139static int transcode_init(void)
6291d7e4 2140{
2c474ddb 2141 int ret = 0, i, j, k;
4288e031 2142 OutputStream *ost;
6291d7e4
AK
2143 InputStream *ist;
2144 char error[1024];
b0c9e8e0 2145
f4805328
AK
2146 /* init framerate emulation */
2147 for (i = 0; i < nb_input_files; i++) {
2e215267 2148 InputFile *ifile = input_files[i];
f4805328
AK
2149 if (ifile->rate_emu)
2150 for (j = 0; j < ifile->nb_streams; j++)
d0c09302 2151 input_streams[j + ifile->ist_index]->start = av_gettime_relative();
f4805328 2152 }
6291d7e4 2153
5b9cdf8c
AK
2154 /* init input streams */
2155 for (i = 0; i < nb_input_streams; i++)
2156 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
2157 goto dump_format;
2158
6291d7e4 2159 /* open each encoder */
4288e031 2160 for (i = 0; i < nb_output_streams; i++) {
a3a0230a
AK
2161 // skip streams fed from filtergraphs until we have a frame for them
2162 if (output_streams[i]->filter)
2163 continue;
2164
ab7b0389
AK
2165 ret = init_output_stream(output_streams[i], error, sizeof(error));
2166 if (ret < 0)
2167 goto dump_format;
6291d7e4
AK
2168 }
2169
6291d7e4 2170
2c474ddb
AK
2171 /* discard unused programs */
2172 for (i = 0; i < nb_input_files; i++) {
2e215267 2173 InputFile *ifile = input_files[i];
2c474ddb
AK
2174 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2175 AVProgram *p = ifile->ctx->programs[j];
2176 int discard = AVDISCARD_ALL;
2177
2178 for (k = 0; k < p->nb_stream_indexes; k++)
2e215267 2179 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2c474ddb
AK
2180 discard = AVDISCARD_DEFAULT;
2181 break;
2182 }
2183 p->discard = discard;
2184 }
2185 }
2186
6291d7e4 2187 dump_format:
6291d7e4 2188 /* dump the stream mapping */
e3245b26 2189 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3b266da3
AK
2190 for (i = 0; i < nb_input_streams; i++) {
2191 ist = input_streams[i];
2192
2193 for (j = 0; j < ist->nb_filters; j++) {
49670e42 2194 if (!filtergraph_is_simple(ist->filters[j]->graph)) {
3b266da3
AK
2195 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2196 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
cf6c38c6 2197 ist->filters[j]->name);
3b266da3
AK
2198 if (nb_filtergraphs > 1)
2199 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2200 av_log(NULL, AV_LOG_INFO, "\n");
2201 }
2202 }
2203 }
2204
e3245b26 2205 for (i = 0; i < nb_output_streams; i++) {
2e215267 2206 ost = output_streams[i];
4dbc6cee
AK
2207
2208 if (ost->attachment_filename) {
2209 /* an attached file */
2210 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2211 ost->attachment_filename, ost->file_index, ost->index);
2212 continue;
2213 }
3b266da3 2214
49670e42 2215 if (ost->filter && !filtergraph_is_simple(ost->filter->graph)) {
3b266da3 2216 /* output from a complex graph */
cf6c38c6 2217 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3b266da3
AK
2218 if (nb_filtergraphs > 1)
2219 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2220
2221 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2222 ost->index, ost->enc ? ost->enc->name : "?");
2223 continue;
2224 }
2225
9a414d89 2226 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2e215267
AK
2227 input_streams[ost->source_index]->file_index,
2228 input_streams[ost->source_index]->st->index,
e3245b26
AK
2229 ost->file_index,
2230 ost->index);
2e215267 2231 if (ost->sync_ist != input_streams[ost->source_index])
9a414d89 2232 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
e3245b26
AK
2233 ost->sync_ist->file_index,
2234 ost->sync_ist->st->index);
3d813e4c 2235 if (ost->stream_copy)
e3245b26 2236 av_log(NULL, AV_LOG_INFO, " (copy)");
39ec5e1c
LB
2237 else {
2238 const AVCodec *in_codec = input_streams[ost->source_index]->dec;
2239 const AVCodec *out_codec = ost->enc;
2240 const char *decoder_name = "?";
2241 const char *in_codec_name = "?";
2242 const char *encoder_name = "?";
2243 const char *out_codec_name = "?";
aa1a1b24 2244 const AVCodecDescriptor *desc;
39ec5e1c
LB
2245
2246 if (in_codec) {
2247 decoder_name = in_codec->name;
aa1a1b24
HS
2248 desc = avcodec_descriptor_get(in_codec->id);
2249 if (desc)
2250 in_codec_name = desc->name;
39ec5e1c
LB
2251 if (!strcmp(decoder_name, in_codec_name))
2252 decoder_name = "native";
2253 }
2254
2255 if (out_codec) {
2256 encoder_name = out_codec->name;
aa1a1b24
HS
2257 desc = avcodec_descriptor_get(out_codec->id);
2258 if (desc)
2259 out_codec_name = desc->name;
71d6551e 2260 if (!strcmp(encoder_name, out_codec_name))
39ec5e1c
LB
2261 encoder_name = "native";
2262 }
2263
2264 av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
2265 in_codec_name, decoder_name,
2266 out_codec_name, encoder_name);
2267 }
e3245b26 2268 av_log(NULL, AV_LOG_INFO, "\n");
6291d7e4
AK
2269 }
2270
2271 if (ret) {
e3245b26 2272 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
eaf2d37a 2273 return ret;
6291d7e4
AK
2274 }
2275
eaf2d37a
AC
2276 return 0;
2277}
2278
c1ef30a6 2279/* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
2f51ec2b
AK
2280static int need_output(void)
2281{
2282 int i;
2283
2284 for (i = 0; i < nb_output_streams; i++) {
2285 OutputStream *ost = output_streams[i];
2286 OutputFile *of = output_files[ost->file_index];
2287 AVFormatContext *os = output_files[ost->file_index]->ctx;
2288
57d24225 2289 if (ost->finished ||
2f51ec2b
AK
2290 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2291 continue;
e58b75f7 2292 if (ost->frame_number >= ost->max_frames) {
2f51ec2b
AK
2293 int j;
2294 for (j = 0; j < of->ctx->nb_streams; j++)
57d24225 2295 output_streams[of->ost_index + j]->finished = 1;
2f51ec2b
AK
2296 continue;
2297 }
2298
2299 return 1;
2300 }
2301
2302 return 0;
2303}
2304
83916029 2305static InputFile *select_input_file(void)
a508e7a1 2306{
83916029 2307 InputFile *ifile = NULL;
a508e7a1 2308 int64_t ipts_min = INT64_MAX;
83916029 2309 int i;
a508e7a1
AK
2310
2311 for (i = 0; i < nb_input_streams; i++) {
2312 InputStream *ist = input_streams[i];
2313 int64_t ipts = ist->last_dts;
2314
0b26ef42 2315 if (ist->discard || input_files[ist->file_index]->eagain)
a508e7a1
AK
2316 continue;
2317 if (!input_files[ist->file_index]->eof_reached) {
2318 if (ipts < ipts_min) {
2319 ipts_min = ipts;
83916029 2320 ifile = input_files[ist->file_index];
a508e7a1
AK
2321 }
2322 }
2323 }
2324
83916029 2325 return ifile;
a508e7a1
AK
2326}
2327
47b812e9 2328#if HAVE_PTHREADS
5db5169e
AK
2329static void *input_thread(void *arg)
2330{
2331 InputFile *f = arg;
2332 int ret = 0;
2333
2334 while (!transcoding_finished && ret >= 0) {
2335 AVPacket pkt;
2336 ret = av_read_frame(f->ctx, &pkt);
2337
2338 if (ret == AVERROR(EAGAIN)) {
896bb0d7 2339 av_usleep(10000);
5db5169e
AK
2340 ret = 0;
2341 continue;
2342 } else if (ret < 0)
2343 break;
2344
2345 pthread_mutex_lock(&f->fifo_lock);
2346 while (!av_fifo_space(f->fifo))
2347 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
2348
5db5169e
AK
2349 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
2350
2351 pthread_mutex_unlock(&f->fifo_lock);
2352 }
2353
2354 f->finished = 1;
2355 return NULL;
2356}
2357
2358static void free_input_threads(void)
2359{
2360 int i;
2361
2362 if (nb_input_files == 1)
2363 return;
2364
2365 transcoding_finished = 1;
2366
2367 for (i = 0; i < nb_input_files; i++) {
2368 InputFile *f = input_files[i];
2369 AVPacket pkt;
2370
9034b0ed 2371 if (!f->fifo || f->joined)
5db5169e
AK
2372 continue;
2373
2374 pthread_mutex_lock(&f->fifo_lock);
2375 while (av_fifo_size(f->fifo)) {
2376 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
ce70f28a 2377 av_packet_unref(&pkt);
5db5169e
AK
2378 }
2379 pthread_cond_signal(&f->fifo_cond);
2380 pthread_mutex_unlock(&f->fifo_lock);
2381
2382 pthread_join(f->thread, NULL);
2383 f->joined = 1;
2384
2385 while (av_fifo_size(f->fifo)) {
2386 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
ce70f28a 2387 av_packet_unref(&pkt);
5db5169e
AK
2388 }
2389 av_fifo_free(f->fifo);
2390 }
2391}
2392
2393static int init_input_threads(void)
2394{
2395 int i, ret;
2396
2397 if (nb_input_files == 1)
2398 return 0;
2399
2400 for (i = 0; i < nb_input_files; i++) {
2401 InputFile *f = input_files[i];
2402
2403 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
2404 return AVERROR(ENOMEM);
2405
2406 pthread_mutex_init(&f->fifo_lock, NULL);
2407 pthread_cond_init (&f->fifo_cond, NULL);
2408
2409 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
2410 return AVERROR(ret);
2411 }
2412 return 0;
2413}
2414
2415static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
2416{
2417 int ret = 0;
2418
2419 pthread_mutex_lock(&f->fifo_lock);
2420
2421 if (av_fifo_size(f->fifo)) {
2422 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
2423 pthread_cond_signal(&f->fifo_cond);
2424 } else {
2425 if (f->finished)
2426 ret = AVERROR_EOF;
2427 else
2428 ret = AVERROR(EAGAIN);
2429 }
2430
2431 pthread_mutex_unlock(&f->fifo_lock);
2432
2433 return ret;
2434}
2435#endif
2436
2437static int get_input_packet(InputFile *f, AVPacket *pkt)
2438{
b4a5a292
AK
2439 if (f->rate_emu) {
2440 int i;
2441 for (i = 0; i < f->nb_streams; i++) {
2442 InputStream *ist = input_streams[f->ist_index + i];
2443 int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
d0c09302 2444 int64_t now = av_gettime_relative() - ist->start;
b4a5a292
AK
2445 if (pts > now)
2446 return AVERROR(EAGAIN);
2447 }
2448 }
2449
47b812e9 2450#if HAVE_PTHREADS
5db5169e
AK
2451 if (nb_input_files > 1)
2452 return get_input_packet_mt(f, pkt);
2453#endif
2454 return av_read_frame(f->ctx, pkt);
2455}
2456
0b26ef42
AK
2457static int got_eagain(void)
2458{
2459 int i;
2460 for (i = 0; i < nb_input_files; i++)
2461 if (input_files[i]->eagain)
2462 return 1;
2463 return 0;
2464}
2465
2466static void reset_eagain(void)
2467{
2468 int i;
2469 for (i = 0; i < nb_input_files; i++)
2470 input_files[i]->eagain = 0;
2471}
2472
16b0c929
AH
2473// set duration to max(tmp, duration) in a proper time base and return duration's time_base
2474static AVRational duration_max(int64_t tmp, int64_t *duration, AVRational tmp_time_base,
2475 AVRational time_base)
2476{
2477 int ret;
2478
2479 if (!*duration) {
2480 *duration = tmp;
2481 return tmp_time_base;
2482 }
2483
2484 ret = av_compare_ts(*duration, time_base, tmp, tmp_time_base);
2485 if (ret < 0) {
2486 *duration = tmp;
2487 return tmp_time_base;
2488 }
2489
2490 return time_base;
2491}
2492
2493static int seek_to_start(InputFile *ifile, AVFormatContext *is)
2494{
2495 InputStream *ist;
2496 AVCodecContext *avctx;
2497 int i, ret, has_audio = 0;
2498 int64_t duration = 0;
2499
2500 ret = av_seek_frame(is, -1, is->start_time, 0);
2501 if (ret < 0)
2502 return ret;
2503
2504 for (i = 0; i < ifile->nb_streams; i++) {
2505 ist = input_streams[ifile->ist_index + i];
2506 avctx = ist->dec_ctx;
2507
2508 // flush decoders
2509 if (ist->decoding_needed) {
2510 process_input_packet(ist, NULL, 1);
2511 avcodec_flush_buffers(avctx);
2512 }
2513
2514 /* duration is the length of the last frame in a stream
2515 * when audio stream is present we don't care about
2516 * last video frame length because it's not defined exactly */
2517 if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && ist->nb_samples)
2518 has_audio = 1;
2519 }
2520
2521 for (i = 0; i < ifile->nb_streams; i++) {
2522 ist = input_streams[ifile->ist_index + i];
2523 avctx = ist->dec_ctx;
2524
2525 if (has_audio) {
2526 if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && ist->nb_samples) {
2527 AVRational sample_rate = {1, avctx->sample_rate};
2528
2529 duration = av_rescale_q(ist->nb_samples, sample_rate, ist->st->time_base);
2530 } else
2531 continue;
2532 } else {
2533 if (ist->framerate.num) {
2534 duration = av_rescale_q(1, ist->framerate, ist->st->time_base);
2535 } else if (ist->st->avg_frame_rate.num) {
2536 duration = av_rescale_q(1, ist->st->avg_frame_rate, ist->st->time_base);
2537 } else duration = 1;
2538 }
2539 if (!ifile->duration)
2540 ifile->time_base = ist->st->time_base;
2541 /* the total duration of the stream, max_pts - min_pts is
2542 * the duration of the stream without the last frame */
2543 duration += ist->max_pts - ist->min_pts;
2544 ifile->time_base = duration_max(duration, &ifile->duration, ist->st->time_base,
2545 ifile->time_base);
2546 }
2547
cd0e0881
AH
2548 if (ifile->loop > 0)
2549 ifile->loop--;
16b0c929
AH
2550
2551 return ret;
2552}
2553
c1ef30a6 2554/*
0c00fd80
AK
2555 * Read one packet from an input file and send it for
2556 * - decoding -> lavfi (audio/video)
2557 * - decoding -> encoding -> muxing (subtitles)
2558 * - muxing (streamcopy)
2559 *
c1ef30a6 2560 * Return
0c00fd80
AK
2561 * - 0 -- one packet was read and processed
2562 * - AVERROR(EAGAIN) -- no packets were available for selected file,
2563 * this function should be called again
2564 * - AVERROR_EOF -- this function should not be called again
2565 */
2566static int process_input(void)
2567{
2568 InputFile *ifile;
2569 AVFormatContext *is;
2570 InputStream *ist;
2571 AVPacket pkt;
2572 int ret, i, j;
16b0c929 2573 int64_t duration;
0c00fd80
AK
2574
2575 /* select the stream that we must read now */
2576 ifile = select_input_file();
2577 /* if none, if is finished */
2578 if (!ifile) {
2579 if (got_eagain()) {
2580 reset_eagain();
2581 av_usleep(10000);
2582 return AVERROR(EAGAIN);
2583 }
2584 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from.\n");
2585 return AVERROR_EOF;
2586 }
2587
2588 is = ifile->ctx;
2589 ret = get_input_packet(ifile, &pkt);
2590
2591 if (ret == AVERROR(EAGAIN)) {
2592 ifile->eagain = 1;
2593 return ret;
2594 }
cd0e0881 2595 if (ret < 0 && ifile->loop) {
16b0c929
AH
2596 if ((ret = seek_to_start(ifile, is)) < 0)
2597 return ret;
2598 ret = get_input_packet(ifile, &pkt);
2599 }
0c00fd80
AK
2600 if (ret < 0) {
2601 if (ret != AVERROR_EOF) {
2602 print_error(is->filename, ret);
2603 if (exit_on_error)
636ced8e 2604 exit_program(1);
0c00fd80
AK
2605 }
2606 ifile->eof_reached = 1;
2607
2608 for (i = 0; i < ifile->nb_streams; i++) {
2609 ist = input_streams[ifile->ist_index + i];
2610 if (ist->decoding_needed)
16b0c929 2611 process_input_packet(ist, NULL, 0);
0c00fd80
AK
2612
2613 /* mark all outputs that don't go through lavfi as finished */
2614 for (j = 0; j < nb_output_streams; j++) {
2615 OutputStream *ost = output_streams[j];
2616
2617 if (ost->source_index == ifile->ist_index + i &&
2618 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
48e50921 2619 finish_output_stream(ost);
0c00fd80
AK
2620 }
2621 }
2622
3c0df905 2623 return AVERROR(EAGAIN);
0c00fd80
AK
2624 }
2625
2626 reset_eagain();
2627
2628 if (do_pkt_dump) {
2629 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2630 is->streams[pkt.stream_index]);
2631 }
2632 /* the following test is needed in case new streams appear
2633 dynamically in stream : we ignore them */
2634 if (pkt.stream_index >= ifile->nb_streams)
2635 goto discard_packet;
2636
2637 ist = input_streams[ifile->ist_index + pkt.stream_index];
47543450
AK
2638
2639 ist->data_size += pkt.size;
59444c76 2640 ist->nb_packets++;
47543450 2641
0c00fd80
AK
2642 if (ist->discard)
2643 goto discard_packet;
2644
59444c76
AK
2645 /* add the stream-global side data to the first packet */
2646 if (ist->nb_packets == 1)
2647 for (i = 0; i < ist->st->nb_side_data; i++) {
2648 AVPacketSideData *src_sd = &ist->st->side_data[i];
2649 uint8_t *dst_data;
2650
2651 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
2652 continue;
16302246
MS
2653 if (ist->autorotate && src_sd->type == AV_PKT_DATA_DISPLAYMATRIX)
2654 continue;
59444c76
AK
2655
2656 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
2657 if (!dst_data)
2658 exit_program(1);
2659
2660 memcpy(dst_data, src_sd->data, src_sd->size);
2661 }
2662
0c00fd80
AK
2663 if (pkt.dts != AV_NOPTS_VALUE)
2664 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2665 if (pkt.pts != AV_NOPTS_VALUE)
2666 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2667
2668 if (pkt.pts != AV_NOPTS_VALUE)
2669 pkt.pts *= ist->ts_scale;
2670 if (pkt.dts != AV_NOPTS_VALUE)
2671 pkt.dts *= ist->ts_scale;
2672
6cfbe1de
LB
2673 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
2674 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
2675 pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
0c00fd80
AK
2676 (is->iformat->flags & AVFMT_TS_DISCONT)) {
2677 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2678 int64_t delta = pkt_dts - ist->next_dts;
2679
2680 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
2681 ifile->ts_offset -= delta;
2682 av_log(NULL, AV_LOG_DEBUG,
2683 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2684 delta, ifile->ts_offset);
2685 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2686 if (pkt.pts != AV_NOPTS_VALUE)
2687 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2688 }
2689 }
16b0c929
AH
2690 duration = av_rescale_q(ifile->duration, ifile->time_base, ist->st->time_base);
2691 if (pkt.pts != AV_NOPTS_VALUE) {
2692 pkt.pts += duration;
2693 ist->max_pts = FFMAX(pkt.pts, ist->max_pts);
2694 ist->min_pts = FFMIN(pkt.pts, ist->min_pts);
2695 }
2696
2697 if (pkt.dts != AV_NOPTS_VALUE)
2698 pkt.dts += duration;
0c00fd80 2699
16b0c929 2700 process_input_packet(ist, &pkt, 0);
0c00fd80
AK
2701
2702discard_packet:
ce70f28a 2703 av_packet_unref(&pkt);
0c00fd80
AK
2704
2705 return 0;
2706}
2707
eaf2d37a
AC
2708/*
2709 * The following code is the main loop of the file converter
2710 */
ea9367e9 2711static int transcode(void)
eaf2d37a 2712{
0c00fd80
AK
2713 int ret, i, need_input = 1;
2714 AVFormatContext *os;
eaf2d37a
AC
2715 OutputStream *ost;
2716 InputStream *ist;
eaf2d37a
AC
2717 int64_t timer_start;
2718
ea9367e9 2719 ret = transcode_init();
eaf2d37a
AC
2720 if (ret < 0)
2721 goto fail;
2722
e3245b26 2723 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
6291d7e4
AK
2724 term_init();
2725
d0c09302 2726 timer_start = av_gettime_relative();
6291d7e4 2727
47b812e9 2728#if HAVE_PTHREADS
5db5169e
AK
2729 if ((ret = init_input_threads()) < 0)
2730 goto fail;
2731#endif
2732
c0fbf971 2733 while (!received_sigterm) {
3b266da3 2734 /* check if there's any stream where output is still needed */
2f51ec2b
AK
2735 if (!need_output()) {
2736 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3b266da3 2737 break;
2f51ec2b 2738 }
3b266da3 2739
0c00fd80
AK
2740 /* read and process one input packet if needed */
2741 if (need_input) {
2742 ret = process_input();
2743 if (ret == AVERROR_EOF)
2744 need_input = 0;
6291d7e4
AK
2745 }
2746
0c00fd80 2747 ret = poll_filters();
63f7f8d1 2748 if (ret < 0 && ret != AVERROR_EOF) {
7ebf1b4a
LB
2749 char errbuf[128];
2750 av_strerror(ret, errbuf, sizeof(errbuf));
6291d7e4 2751
7ebf1b4a
LB
2752 av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
2753 break;
6291d7e4
AK
2754 }
2755
6291d7e4 2756 /* dump report by using the output first video and audio streams */
ea9367e9 2757 print_report(0, timer_start);
6291d7e4 2758 }
47b812e9 2759#if HAVE_PTHREADS
5db5169e
AK
2760 free_input_threads();
2761#endif
6291d7e4
AK
2762
2763 /* at the end of stream, we must flush the decoder buffers */
2764 for (i = 0; i < nb_input_streams; i++) {
2e215267 2765 ist = input_streams[i];
9e8aae44 2766 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
16b0c929 2767 process_input_packet(ist, NULL, 0);
6291d7e4
AK
2768 }
2769 }
560f7774 2770 poll_filters();
ea9367e9 2771 flush_encoders();
6291d7e4
AK
2772
2773 term_exit();
2774
2775 /* write the trailer if needed and close file */
7636c8c6 2776 for (i = 0; i < nb_output_files; i++) {
2e215267 2777 os = output_files[i]->ctx;
1c169782
AK
2778 if (!output_files[i]->header_written) {
2779 av_log(NULL, AV_LOG_ERROR,
2780 "Nothing was written into output file %d (%s), because "
2781 "at least one of its streams received no packets.\n",
2782 i, os->filename);
2783 continue;
2784 }
6291d7e4
AK
2785 av_write_trailer(os);
2786 }
2787
2788 /* dump report by using the first video and audio streams */
ea9367e9 2789 print_report(1, timer_start);
6291d7e4
AK
2790
2791 /* close each encoder */
4288e031 2792 for (i = 0; i < nb_output_streams; i++) {
2e215267 2793 ost = output_streams[i];
6291d7e4 2794 if (ost->encoding_needed) {
38313626 2795 av_freep(&ost->enc_ctx->stats_in);
6291d7e4 2796 }
6291d7e4
AK
2797 }
2798
2799 /* close each decoder */
2800 for (i = 0; i < nb_input_streams; i++) {
2e215267 2801 ist = input_streams[i];
6291d7e4 2802 if (ist->decoding_needed) {
41776ba9 2803 avcodec_close(ist->dec_ctx);
07fd0a22 2804 if (ist->hwaccel_uninit)
41776ba9 2805 ist->hwaccel_uninit(ist->dec_ctx);
6291d7e4
AK
2806 }
2807 }
2808
5d273d3e
MT
2809 av_buffer_unref(&hw_device_ctx);
2810
6291d7e4
AK
2811 /* finished ! */
2812 ret = 0;
2813
2814 fail:
47b812e9 2815#if HAVE_PTHREADS
5db5169e
AK
2816 free_input_threads();
2817#endif
6291d7e4 2818
4288e031
AK
2819 if (output_streams) {
2820 for (i = 0; i < nb_output_streams; i++) {
2e215267 2821 ost = output_streams[i];
6291d7e4 2822 if (ost) {
6291d7e4
AK
2823 if (ost->logfile) {
2824 fclose(ost->logfile);
2825 ost->logfile = NULL;
2826 }
6291d7e4 2827 av_free(ost->forced_kf_pts);
9580818c 2828 av_dict_free(&ost->encoder_opts);
5c7db097 2829 av_dict_free(&ost->resample_opts);
6291d7e4
AK
2830 }
2831 }
6291d7e4
AK
2832 }
2833 return ret;
2834}
2835
f5e66827 2836static int64_t getutime(void)
a2c0b830 2837{
f5e66827
AK
2838#if HAVE_GETRUSAGE
2839 struct rusage rusage;
a2c0b830 2840
f5e66827
AK
2841 getrusage(RUSAGE_SELF, &rusage);
2842 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2843#elif HAVE_GETPROCESSTIMES
2844 HANDLE proc;
2845 FILETIME c, e, k, u;
2846 proc = GetCurrentProcess();
2847 GetProcessTimes(proc, &c, &e, &k, &u);
2848 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
2849#else
d0c09302 2850 return av_gettime_relative();
f5e66827 2851#endif
a2c0b830
AK
2852}
2853
f5e66827 2854static int64_t getmaxrss(void)
6291d7e4 2855{
f5e66827
AK
2856#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
2857 struct rusage rusage;
2858 getrusage(RUSAGE_SELF, &rusage);
2859 return (int64_t)rusage.ru_maxrss * 1024;
2860#elif HAVE_GETPROCESSMEMORYINFO
2861 HANDLE proc;
2862 PROCESS_MEMORY_COUNTERS memcounters;
2863 proc = GetCurrentProcess();
2864 memcounters.cb = sizeof(memcounters);
2865 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
2866 return memcounters.PeakPagefileUsage;
2867#else
6291d7e4 2868 return 0;
f5e66827 2869#endif
6291d7e4
AK
2870}
2871
6291d7e4
AK
2872int main(int argc, char **argv)
2873{
1c169782 2874 int i, ret;
6291d7e4
AK
2875 int64_t ti;
2876
636ced8e 2877 register_exit(avconv_cleanup);
5e3f9979 2878
6291d7e4 2879 av_log_set_flags(AV_LOG_SKIP_REPEATED);
182cbe43 2880 parse_loglevel(argc, argv, options);
6291d7e4
AK
2881
2882 avcodec_register_all();
2883#if CONFIG_AVDEVICE
2884 avdevice_register_all();
2885#endif
6291d7e4 2886 avfilter_register_all();
6291d7e4 2887 av_register_all();
776f2bb9 2888 avformat_network_init();
6291d7e4 2889
6291d7e4
AK
2890 show_banner();
2891
77bd1bc7
AK
2892 /* parse options and open all input/output files */
2893 ret = avconv_parse_options(argc, argv);
2894 if (ret < 0)
636ced8e 2895 exit_program(1);
6291d7e4 2896
7636c8c6 2897 if (nb_output_files <= 0 && nb_input_files == 0) {
6291d7e4 2898 show_usage();
e3245b26 2899 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
636ced8e 2900 exit_program(1);
6291d7e4
AK
2901 }
2902
2903 /* file converter / grab */
2904 if (nb_output_files <= 0) {
2905 fprintf(stderr, "At least one output file must be specified\n");
636ced8e 2906 exit_program(1);
6291d7e4
AK
2907 }
2908
1c169782
AK
2909 for (i = 0; i < nb_output_files; i++) {
2910 if (strcmp(output_files[i]->ctx->oformat->name, "rtp"))
2911 want_sdp = 0;
2912 }
2913
6291d7e4 2914 ti = getutime();
ea9367e9 2915 if (transcode() < 0)
636ced8e 2916 exit_program(1);
6291d7e4
AK
2917 ti = getutime() - ti;
2918 if (do_benchmark) {
2919 int maxrss = getmaxrss() / 1024;
2920 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
2921 }
2922
636ced8e 2923 exit_program(0);
dad09ff9 2924 return 0;
6291d7e4 2925}