configure: Allow detecting and using LLVM lld-link as linker for windows
[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
7636c8c6
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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
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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
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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
AK
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
7204ec1a
AK
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);
b0f36a00
AK
1395 if (ist->framerate.num)
1396 decoded_frame->pts = ist->cfr_next_pts++;
45d4b66f 1397
695ec04e
AK
1398 if (ist->st->sample_aspect_ratio.num)
1399 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1400
3b266da3 1401 for (i = 0; i < ist->nb_filters; i++) {
9b2dc295
AK
1402 if (i < ist->nb_filters - 1) {
1403 f = ist->filter_frame;
1404 err = av_frame_ref(f, decoded_frame);
1405 if (err < 0)
1406 break;
04a14d4d 1407 } else
9b2dc295
AK
1408 f = decoded_frame;
1409
a3a0230a 1410 err = ifilter_send_frame(ist->filters[i], f);
9b2dc295
AK
1411 if (err < 0)
1412 break;
45d4b66f
AK
1413 }
1414
07fd0a22 1415fail:
9b2dc295
AK
1416 av_frame_unref(ist->filter_frame);
1417 av_frame_unref(decoded_frame);
9b2dc295 1418 return err < 0 ? err : ret;
45d4b66f
AK
1419}
1420
9595234c
AK
1421static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1422{
1423 AVSubtitle subtitle;
41776ba9 1424 int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
9595234c
AK
1425 &subtitle, got_output, pkt);
1426 if (ret < 0)
1427 return ret;
1428 if (!*got_output)
af8ad892 1429 return ret;
9595234c 1430
47543450
AK
1431 ist->frames_decoded++;
1432
9595234c 1433 for (i = 0; i < nb_output_streams; i++) {
2e215267 1434 OutputStream *ost = output_streams[i];
9595234c
AK
1435
1436 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1437 continue;
1438
398f015f 1439 do_subtitle_out(output_files[ost->file_index], ost, ist, &subtitle, pkt->pts);
9595234c
AK
1440 }
1441
1442 avsubtitle_free(&subtitle);
af8ad892 1443 return ret;
9595234c
AK
1444}
1445
b114f6d4
AK
1446static int send_filter_eof(InputStream *ist)
1447{
94ebf556 1448 int i, ret;
b114f6d4 1449 for (i = 0; i < ist->nb_filters; i++) {
94ebf556
AK
1450 ret = ifilter_send_eof(ist->filters[i]);
1451 if (ret < 0)
1452 return ret;
b114f6d4
AK
1453 }
1454 return 0;
1455}
1456
6291d7e4 1457/* pkt = NULL means EOF (needed to flush decoder buffers) */
16b0c929 1458static void process_input_packet(InputStream *ist, const AVPacket *pkt, int no_eof)
6291d7e4 1459{
ffa0674e 1460 int i;
84aea95e 1461 int repeating = 0;
6291d7e4 1462 AVPacket avpkt;
6291d7e4 1463
3101bb66 1464 if (ist->next_dts == AV_NOPTS_VALUE)
23576b3f 1465 ist->next_dts = ist->last_dts;
6291d7e4 1466
f929ab05 1467 if (!pkt) {
6291d7e4
AK
1468 /* EOF handling */
1469 av_init_packet(&avpkt);
1470 avpkt.data = NULL;
1471 avpkt.size = 0;
6291d7e4
AK
1472 } else {
1473 avpkt = *pkt;
1474 }
1475
84aea95e 1476 if (pkt && pkt->dts != AV_NOPTS_VALUE)
23576b3f 1477 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
6291d7e4 1478
7636c8c6 1479 // while we have more to decode or while the decoder did output something on EOF
84aea95e 1480 while (ist->decoding_needed && (!pkt || avpkt.size > 0)) {
ffa0674e 1481 int ret = 0;
84aea95e 1482 int got_output = 0;
6291d7e4 1483
84aea95e 1484 if (!repeating)
1485 ist->last_dts = ist->next_dts;
8b0268a8 1486
41776ba9 1487 switch (ist->dec_ctx->codec_type) {
82963f8f 1488 case AVMEDIA_TYPE_AUDIO:
84aea95e 1489 ret = decode_audio (ist, repeating ? NULL : &avpkt, &got_output);
82963f8f
AK
1490 break;
1491 case AVMEDIA_TYPE_VIDEO:
84aea95e 1492 ret = decode_video (ist, repeating ? NULL : &avpkt, &got_output);
1493 if (repeating && !got_output)
1494 ;
1495 else if (pkt && pkt->duration)
1496 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
aba232cf 1497 else if (ist->st->avg_frame_rate.num)
82494835 1498 ist->next_dts += av_rescale_q(1, av_inv_q(ist->st->avg_frame_rate),
722410ad 1499 AV_TIME_BASE_Q);
557d4c4e 1500 else if (ist->dec_ctx->framerate.num != 0) {
b34856a1 1501 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
41776ba9 1502 ist->dec_ctx->ticks_per_frame;
557d4c4e 1503 ist->next_dts += av_rescale_q(ticks, ist->dec_ctx->framerate, AV_TIME_BASE_Q);
b34856a1 1504 }
82963f8f
AK
1505 break;
1506 case AVMEDIA_TYPE_SUBTITLE:
84aea95e 1507 if (repeating)
1508 break;
82963f8f
AK
1509 ret = transcode_subtitles(ist, &avpkt, &got_output);
1510 break;
78162b4e 1511 default:
9a5e4fbe
AK
1512 return;
1513 }
1514
1515 if (ret < 0) {
1516 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
1517 ist->file_index, ist->st->index);
1518 if (exit_on_error)
1519 exit_program(1);
1520 break;
78162b4e 1521 }
6291d7e4 1522
84aea95e 1523 if (!got_output)
1524 break;
1525
1526 repeating = 1;
6291d7e4 1527 }
6291d7e4 1528
b114f6d4 1529 /* after flushing, send an EOF on all the filter inputs attached to the stream */
16b0c929
AH
1530 /* except when looping we need to flush but not to send an EOF */
1531 if (!pkt && ist->decoding_needed && !no_eof) {
b114f6d4
AK
1532 int ret = send_filter_eof(ist);
1533 if (ret < 0) {
1534 av_log(NULL, AV_LOG_FATAL, "Error marking filters as finished\n");
1535 exit_program(1);
1536 }
1537 }
1538
7204ec1a 1539 /* handle stream copy */
2a651b71 1540 if (!ist->decoding_needed) {
23576b3f 1541 ist->last_dts = ist->next_dts;
41776ba9 1542 switch (ist->dec_ctx->codec_type) {
2a651b71 1543 case AVMEDIA_TYPE_AUDIO:
41776ba9
AK
1544 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
1545 ist->dec_ctx->sample_rate;
2a651b71
AK
1546 break;
1547 case AVMEDIA_TYPE_VIDEO:
557d4c4e 1548 if (ist->dec_ctx->framerate.num != 0) {
41776ba9 1549 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
3101bb66 1550 ist->next_dts += ((int64_t)AV_TIME_BASE *
557d4c4e
AK
1551 ist->dec_ctx->framerate.den * ticks) /
1552 ist->dec_ctx->framerate.num;
2a651b71
AK
1553 }
1554 break;
1555 }
1556 }
ea9367e9 1557 for (i = 0; pkt && i < nb_output_streams; i++) {
2e215267 1558 OutputStream *ost = output_streams[i];
7204ec1a
AK
1559
1560 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1561 continue;
1562
1563 do_streamcopy(ist, ost, pkt);
1564 }
1565
9a5e4fbe 1566 return;
6291d7e4
AK
1567}
1568
ea9367e9 1569static void print_sdp(void)
6291d7e4 1570{
a23abaf3 1571 char sdp[16384];
af70aa45 1572 int i;
1c169782 1573 AVFormatContext **avc;
af70aa45 1574
1c169782
AK
1575 for (i = 0; i < nb_output_files; i++) {
1576 if (!output_files[i]->header_written)
1577 return;
1578 }
1579
1580 avc = av_malloc(sizeof(*avc) * nb_output_files);
af70aa45 1581 if (!avc)
636ced8e 1582 exit_program(1);
ea9367e9 1583 for (i = 0; i < nb_output_files; i++)
2e215267 1584 avc[i] = output_files[i]->ctx;
6291d7e4 1585
ea9367e9 1586 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
6291d7e4
AK
1587 printf("SDP:\n%s\n", sdp);
1588 fflush(stdout);
af70aa45 1589 av_freep(&avc);
6291d7e4
AK
1590}
1591
07fd0a22
AK
1592static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
1593{
1594 int i;
1595 for (i = 0; hwaccels[i].name; i++)
1596 if (hwaccels[i].pix_fmt == pix_fmt)
1597 return &hwaccels[i];
1598 return NULL;
1599}
1600
1601static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
1602{
1603 InputStream *ist = s->opaque;
1604 const enum AVPixelFormat *p;
1605 int ret;
1606
1607 for (p = pix_fmts; *p != -1; p++) {
1608 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
1609 const HWAccel *hwaccel;
1610
1611 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
1612 break;
1613
1614 hwaccel = get_hwaccel(*p);
1615 if (!hwaccel ||
1616 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
1617 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
1618 continue;
1619
1620 ret = hwaccel->init(s);
1621 if (ret < 0) {
1622 if (ist->hwaccel_id == hwaccel->id) {
1623 av_log(NULL, AV_LOG_FATAL,
1624 "%s hwaccel requested for input stream #%d:%d, "
1625 "but cannot be initialized.\n", hwaccel->name,
1626 ist->file_index, ist->st->index);
dc7536ca 1627 return AV_PIX_FMT_NONE;
07fd0a22
AK
1628 }
1629 continue;
1630 }
232399e3
AK
1631
1632 if (ist->hw_frames_ctx) {
1633 s->hw_frames_ctx = av_buffer_ref(ist->hw_frames_ctx);
1634 if (!s->hw_frames_ctx)
1635 return AV_PIX_FMT_NONE;
1636 }
1637
07fd0a22
AK
1638 ist->active_hwaccel_id = hwaccel->id;
1639 ist->hwaccel_pix_fmt = *p;
1640 break;
1641 }
1642
1643 return *p;
1644}
1645
1646static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
1647{
1648 InputStream *ist = s->opaque;
1649
1650 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
1651 return ist->hwaccel_get_buffer(s, frame, flags);
1652
1653 return avcodec_default_get_buffer2(s, frame, flags);
1654}
1655
ea9367e9 1656static int init_input_stream(int ist_index, char *error, int error_len)
630902a1 1657{
a3a0230a 1658 int ret;
2e215267 1659 InputStream *ist = input_streams[ist_index];
ba7397ba 1660
630902a1
AK
1661 if (ist->decoding_needed) {
1662 AVCodec *codec = ist->dec;
630902a1 1663 if (!codec) {
9a414d89 1664 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
41776ba9 1665 ist->dec_ctx->codec_id, ist->file_index, ist->st->index);
630902a1
AK
1666 return AVERROR(EINVAL);
1667 }
1668
41776ba9
AK
1669 ist->dec_ctx->opaque = ist;
1670 ist->dec_ctx->get_format = get_format;
1671 ist->dec_ctx->get_buffer2 = get_buffer;
1672 ist->dec_ctx->thread_safe_callbacks = 1;
07fd0a22 1673
41776ba9 1674 av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
64dca32c 1675
f3a6ad22
AK
1676 if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
1677 av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
41776ba9 1678 if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
42cc6cef 1679 char errbuf[128];
c854102d
NC
1680 if (ret == AVERROR_EXPERIMENTAL)
1681 abort_codec_experimental(codec, 0);
42cc6cef
LB
1682
1683 av_strerror(ret, errbuf, sizeof(errbuf));
1684
1685 snprintf(error, error_len,
1686 "Error while opening decoder for input stream "
1687 "#%d:%d : %s",
1688 ist->file_index, ist->st->index, errbuf);
c854102d 1689 return ret;
630902a1 1690 }
f3a6ad22 1691 assert_avoptions(ist->decoder_opts);
630902a1
AK
1692 }
1693
41776ba9 1694 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 1695 ist->next_dts = AV_NOPTS_VALUE;
630902a1 1696 init_pts_correction(&ist->pts_ctx);
630902a1
AK
1697
1698 return 0;
1699}
1700
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1701static InputStream *get_input_stream(OutputStream *ost)
1702{
1703 if (ost->source_index >= 0)
1704 return input_streams[ost->source_index];
1705
1706 if (ost->filter) {
1707 FilterGraph *fg = ost->filter->graph;
1708 int i;
1709
1710 for (i = 0; i < fg->nb_inputs; i++)
38313626 1711 if (fg->inputs[i]->ist->dec_ctx->codec_type == ost->enc_ctx->codec_type)
3b266da3
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1712 return fg->inputs[i]->ist;
1713 }
1714
1715 return NULL;
1716}
1717
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AK
1718/* open the muxer when all the streams are initialized */
1719static int check_init_output_file(OutputFile *of, int file_index)
1720{
1721 int ret, i;
1722
1723 for (i = 0; i < of->ctx->nb_streams; i++) {
1724 OutputStream *ost = output_streams[of->ost_index + i];
1725 if (!ost->initialized)
1726 return 0;
1727 }
1728
1729 of->ctx->interrupt_callback = int_cb;
1730
1731 ret = avformat_write_header(of->ctx, &of->opts);
1732 if (ret < 0) {
1733 char errbuf[128];
1734
1735 av_strerror(ret, errbuf, sizeof(errbuf));
1736
1737 av_log(NULL, AV_LOG_ERROR,
1738 "Could not write header for output file #%d "
1739 "(incorrect codec parameters ?): %s",
1740 file_index, errbuf);
1741 return ret;
1742 }
1743 assert_avoptions(of->opts);
1744 of->header_written = 1;
1745
1746 av_dump_format(of->ctx, file_index, of->ctx->filename, 1);
1747
1748 if (want_sdp)
1749 print_sdp();
1750
398f015f
AK
1751 /* flush the muxing queues */
1752 for (i = 0; i < of->ctx->nb_streams; i++) {
1753 OutputStream *ost = output_streams[of->ost_index + i];
1754
1755 while (av_fifo_size(ost->muxing_queue)) {
1756 AVPacket pkt;
1757 av_fifo_generic_read(ost->muxing_queue, &pkt, sizeof(pkt), NULL);
1758 write_packet(of, &pkt, ost);
1759 }
1760 }
1761
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AK
1762 return 0;
1763}
1764
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1765static int init_output_bsfs(OutputStream *ost)
1766{
1767 AVBSFContext *ctx;
1768 int i, ret;
1769
1770 if (!ost->nb_bitstream_filters)
1771 return 0;
1772
1773 ost->bsf_ctx = av_mallocz_array(ost->nb_bitstream_filters, sizeof(*ost->bsf_ctx));
1774 if (!ost->bsf_ctx)
1775 return AVERROR(ENOMEM);
1776
1777 for (i = 0; i < ost->nb_bitstream_filters; i++) {
1778 ret = av_bsf_alloc(ost->bitstream_filters[i], &ctx);
1779 if (ret < 0) {
41ed7ab4 1780 av_log(NULL, AV_LOG_ERROR, "Error allocating a bitstream filter context\n");
4426540f
AK
1781 return ret;
1782 }
1783 ost->bsf_ctx[i] = ctx;
1784
1785 ret = avcodec_parameters_copy(ctx->par_in,
1786 i ? ost->bsf_ctx[i - 1]->par_out : ost->st->codecpar);
1787 if (ret < 0)
1788 return ret;
1789
1790 ctx->time_base_in = i ? ost->bsf_ctx[i - 1]->time_base_out : ost->st->time_base;
1791
1792 ret = av_bsf_init(ctx);
1793 if (ret < 0) {
41ed7ab4 1794 av_log(NULL, AV_LOG_ERROR, "Error initializing bitstream filter: %s\n",
4426540f
AK
1795 ost->bitstream_filters[i]->name);
1796 return ret;
1797 }
1798 }
1799
1800 ctx = ost->bsf_ctx[ost->nb_bitstream_filters - 1];
1801 ret = avcodec_parameters_copy(ost->st->codecpar, ctx->par_out);
1802 if (ret < 0)
1803 return ret;
1804
1805 ost->st->time_base = ctx->time_base_out;
1806
1807 return 0;
1808}
1809
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AK
1810static int init_output_stream_streamcopy(OutputStream *ost)
1811{
1812 OutputFile *of = output_files[ost->file_index];
1813 InputStream *ist = get_input_stream(ost);
1814 AVCodecParameters *par_dst = ost->st->codecpar;
1815 AVCodecParameters *par_src = ist->st->codecpar;
1816 AVRational sar;
b55566db
AK
1817 uint32_t codec_tag = par_dst->codec_tag;
1818 int i, ret;
6ed0f70f 1819
b55566db 1820 if (!codec_tag) {
6ed0f70f 1821 if (!of->ctx->oformat->codec_tag ||
b55566db 1822 av_codec_get_id (of->ctx->oformat->codec_tag, par_src->codec_tag) == par_src->codec_id ||
6ed0f70f 1823 av_codec_get_tag(of->ctx->oformat->codec_tag, par_src->codec_id) <= 0)
b55566db 1824 codec_tag = par_src->codec_tag;
6ed0f70f
AK
1825 }
1826
b55566db
AK
1827 ret = avcodec_parameters_copy(par_dst, par_src);
1828 if (ret < 0)
1829 return ret;
6ed0f70f 1830
b55566db
AK
1831 par_dst->codec_tag = codec_tag;
1832
1833 ost->st->disposition = ist->st->disposition;
6ed0f70f
AK
1834
1835 ost->st->time_base = ist->st->time_base;
1836
1837 if (ist->st->nb_side_data) {
1838 ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data,
1839 sizeof(*ist->st->side_data));
1840 if (!ost->st->side_data)
1841 return AVERROR(ENOMEM);
1842
1843 for (i = 0; i < ist->st->nb_side_data; i++) {
1844 const AVPacketSideData *sd_src = &ist->st->side_data[i];
1845 AVPacketSideData *sd_dst = &ost->st->side_data[i];
1846
1847 sd_dst->data = av_malloc(sd_src->size);
1848 if (!sd_dst->data)
1849 return AVERROR(ENOMEM);
1850 memcpy(sd_dst->data, sd_src->data, sd_src->size);
1851 sd_dst->size = sd_src->size;
1852 sd_dst->type = sd_src->type;
1853 ost->st->nb_side_data++;
1854 }
1855 }
1856
1857 ost->parser = av_parser_init(par_dst->codec_id);
1858 ost->parser_avctx = avcodec_alloc_context3(NULL);
1859 if (!ost->parser_avctx)
1860 return AVERROR(ENOMEM);
1861
b55566db 1862 if (par_dst->codec_type == AVMEDIA_TYPE_VIDEO) {
6ed0f70f
AK
1863 if (ost->frame_aspect_ratio)
1864 sar = av_d2q(ost->frame_aspect_ratio * par_dst->height / par_dst->width, 255);
1865 else if (ist->st->sample_aspect_ratio.num)
1866 sar = ist->st->sample_aspect_ratio;
1867 else
1868 sar = par_src->sample_aspect_ratio;
1869 ost->st->sample_aspect_ratio = par_dst->sample_aspect_ratio = sar;
6ed0f70f
AK
1870 }
1871
1872 return 0;
1873}
1874
ba7397ba
AK
1875static void set_encoder_id(OutputFile *of, OutputStream *ost)
1876{
1877 AVDictionaryEntry *e;
1878
1879 uint8_t *encoder_string;
1880 int encoder_string_len;
1881 int format_flags = 0;
1882
1883 e = av_dict_get(of->opts, "fflags", NULL, 0);
1884 if (e) {
1885 const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
1886 if (!o)
1887 return;
1888 av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
1889 }
1890
1891 encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
1892 encoder_string = av_mallocz(encoder_string_len);
1893 if (!encoder_string)
1894 exit_program(1);
1895
1896 if (!(format_flags & AVFMT_FLAG_BITEXACT))
1897 av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
1898 av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
1899 av_dict_set(&ost->st->metadata, "encoder", encoder_string,
1900 AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
1901}
1902
1903static void parse_forced_key_frames(char *kf, OutputStream *ost,
1904 AVCodecContext *avctx)
1905{
1906 char *p;
1907 int n = 1, i;
1908 int64_t t;
1909
1910 for (p = kf; *p; p++)
1911 if (*p == ',')
1912 n++;
1913 ost->forced_kf_count = n;
1914 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1915 if (!ost->forced_kf_pts) {
1916 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1917 exit_program(1);
1918 }
1919
1920 p = kf;
1921 for (i = 0; i < n; i++) {
1922 char *next = strchr(p, ',');
1923
1924 if (next)
1925 *next++ = 0;
1926
1927 t = parse_time_or_die("force_key_frames", p, 1);
1928 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1929
1930 p = next;
1931 }
1932}
1933
1934static int init_output_stream_encode(OutputStream *ost)
1935{
1936 InputStream *ist = get_input_stream(ost);
1937 AVCodecContext *enc_ctx = ost->enc_ctx;
1938 AVCodecContext *dec_ctx = NULL;
1939
1940 set_encoder_id(output_files[ost->file_index], ost);
1941
1942 if (ist) {
1943 ost->st->disposition = ist->st->disposition;
1944
1945 dec_ctx = ist->dec_ctx;
1946
1947 enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
1948 enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
1949 }
1950
ba7397ba
AK
1951 switch (enc_ctx->codec_type) {
1952 case AVMEDIA_TYPE_AUDIO:
1953 enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
1954 enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
1955 enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
1956 enc_ctx->channels = av_get_channel_layout_nb_channels(enc_ctx->channel_layout);
1957 enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
1958 break;
1959 case AVMEDIA_TYPE_VIDEO:
1960 enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
1961
1962 enc_ctx->width = ost->filter->filter->inputs[0]->w;
1963 enc_ctx->height = ost->filter->filter->inputs[0]->h;
1964 enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
1965 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
1966 av_d2q(ost->frame_aspect_ratio * enc_ctx->height/enc_ctx->width, 255) :
1967 ost->filter->filter->inputs[0]->sample_aspect_ratio;
1968 enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
1969
1970 ost->st->avg_frame_rate = ost->frame_rate;
1971
1972 if (dec_ctx &&
1973 (enc_ctx->width != dec_ctx->width ||
1974 enc_ctx->height != dec_ctx->height ||
1975 enc_ctx->pix_fmt != dec_ctx->pix_fmt)) {
1976 enc_ctx->bits_per_raw_sample = 0;
1977 }
1978
1979 if (ost->forced_keyframes)
1980 parse_forced_key_frames(ost->forced_keyframes, ost,
1981 ost->enc_ctx);
1982 break;
1983 case AVMEDIA_TYPE_SUBTITLE:
1984 enc_ctx->time_base = (AVRational){1, 1000};
1985 break;
1986 default:
1987 abort();
1988 break;
1989 }
1990
1991 return 0;
1992}
1993
ab7b0389
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1994static int init_output_stream(OutputStream *ost, char *error, int error_len)
1995{
1996 int ret = 0;
1997
1998 if (ost->encoding_needed) {
1999 AVCodec *codec = ost->enc;
2000 AVCodecContext *dec = NULL;
2001 InputStream *ist;
2002
ba7397ba
AK
2003 ret = init_output_stream_encode(ost);
2004 if (ret < 0)
2005 return ret;
2006
ab7b0389
AK
2007 if ((ist = get_input_stream(ost)))
2008 dec = ist->dec_ctx;
2009 if (dec && dec->subtitle_header) {
2010 ost->enc_ctx->subtitle_header = av_malloc(dec->subtitle_header_size);
2011 if (!ost->enc_ctx->subtitle_header)
2012 return AVERROR(ENOMEM);
2013 memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2014 ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
2015 }
2016 if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
2017 av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
ab7b0389 2018
c15f6098
AK
2019 if (ost->filter && ost->filter->filter->inputs[0]->hw_frames_ctx) {
2020 ost->enc_ctx->hw_frames_ctx = av_buffer_ref(ost->filter->filter->inputs[0]->hw_frames_ctx);
2021 if (!ost->enc_ctx->hw_frames_ctx)
2022 return AVERROR(ENOMEM);
2023 }
2024
ab7b0389
AK
2025 if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
2026 if (ret == AVERROR_EXPERIMENTAL)
2027 abort_codec_experimental(codec, 1);
2028 snprintf(error, error_len,
2029 "Error while opening encoder for output stream #%d:%d - "
2030 "maybe incorrect parameters such as bit_rate, rate, width or height",
2031 ost->file_index, ost->index);
2032 return ret;
2033 }
2034 assert_avoptions(ost->encoder_opts);
2035 if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
2036 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2037 "It takes bits/s as argument, not kbits/s\n");
2038
15e84ed3 2039 ret = avcodec_parameters_from_context(ost->st->codecpar, ost->enc_ctx);
ab7b0389
AK
2040 if (ret < 0) {
2041 av_log(NULL, AV_LOG_FATAL,
2042 "Error initializing the output stream codec context.\n");
2043 exit_program(1);
2044 }
2045
e63e3797
AK
2046 if (ost->enc_ctx->nb_coded_side_data) {
2047 int i;
2048
2049 ost->st->side_data = av_realloc_array(NULL, ost->enc_ctx->nb_coded_side_data,
2050 sizeof(*ost->st->side_data));
2051 if (!ost->st->side_data)
2052 return AVERROR(ENOMEM);
2053
2054 for (i = 0; i < ost->enc_ctx->nb_coded_side_data; i++) {
2055 const AVPacketSideData *sd_src = &ost->enc_ctx->coded_side_data[i];
2056 AVPacketSideData *sd_dst = &ost->st->side_data[i];
2057
2058 sd_dst->data = av_malloc(sd_src->size);
2059 if (!sd_dst->data)
2060 return AVERROR(ENOMEM);
2061 memcpy(sd_dst->data, sd_src->data, sd_src->size);
2062 sd_dst->size = sd_src->size;
2063 sd_dst->type = sd_src->type;
2064 ost->st->nb_side_data++;
2065 }
2066 }
2067
ab7b0389 2068 ost->st->time_base = ost->enc_ctx->time_base;
5e184062 2069 } else if (ost->stream_copy) {
6ed0f70f
AK
2070 ret = init_output_stream_streamcopy(ost);
2071 if (ret < 0)
2072 return ret;
2073
15e84ed3 2074 /*
35c85806
AK
2075 * FIXME: will the codec context used by the parser during streamcopy
2076 * This should go away with the new parser API.
15e84ed3 2077 */
35c85806 2078 ret = avcodec_parameters_to_context(ost->parser_avctx, ost->st->codecpar);
15e84ed3
AK
2079 if (ret < 0)
2080 return ret;
ab7b0389
AK
2081 }
2082
4426540f
AK
2083 /* initialize bitstream filters for the output stream
2084 * needs to be done here, because the codec id for streamcopy is not
2085 * known until now */
2086 ret = init_output_bsfs(ost);
2087 if (ret < 0)
2088 return ret;
2089
3e265ca5
AK
2090 ost->mux_timebase = ost->st->time_base;
2091
1c169782
AK
2092 ost->initialized = 1;
2093
2094 ret = check_init_output_file(output_files[ost->file_index], ost->file_index);
2095 if (ret < 0)
2096 return ret;
2097
ab7b0389
AK
2098 return ret;
2099}
2100
ea9367e9 2101static int transcode_init(void)
6291d7e4 2102{
2c474ddb 2103 int ret = 0, i, j, k;
4288e031 2104 OutputStream *ost;
6291d7e4
AK
2105 InputStream *ist;
2106 char error[1024];
b0c9e8e0 2107
f4805328
AK
2108 /* init framerate emulation */
2109 for (i = 0; i < nb_input_files; i++) {
2e215267 2110 InputFile *ifile = input_files[i];
f4805328
AK
2111 if (ifile->rate_emu)
2112 for (j = 0; j < ifile->nb_streams; j++)
d0c09302 2113 input_streams[j + ifile->ist_index]->start = av_gettime_relative();
f4805328 2114 }
6291d7e4 2115
5b9cdf8c
AK
2116 /* init input streams */
2117 for (i = 0; i < nb_input_streams; i++)
2118 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
2119 goto dump_format;
2120
6291d7e4 2121 /* open each encoder */
4288e031 2122 for (i = 0; i < nb_output_streams; i++) {
a3a0230a
AK
2123 // skip streams fed from filtergraphs until we have a frame for them
2124 if (output_streams[i]->filter)
2125 continue;
2126
ab7b0389
AK
2127 ret = init_output_stream(output_streams[i], error, sizeof(error));
2128 if (ret < 0)
2129 goto dump_format;
6291d7e4
AK
2130 }
2131
6291d7e4 2132
2c474ddb
AK
2133 /* discard unused programs */
2134 for (i = 0; i < nb_input_files; i++) {
2e215267 2135 InputFile *ifile = input_files[i];
2c474ddb
AK
2136 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2137 AVProgram *p = ifile->ctx->programs[j];
2138 int discard = AVDISCARD_ALL;
2139
2140 for (k = 0; k < p->nb_stream_indexes; k++)
2e215267 2141 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2c474ddb
AK
2142 discard = AVDISCARD_DEFAULT;
2143 break;
2144 }
2145 p->discard = discard;
2146 }
2147 }
2148
6291d7e4 2149 dump_format:
6291d7e4 2150 /* dump the stream mapping */
e3245b26 2151 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3b266da3
AK
2152 for (i = 0; i < nb_input_streams; i++) {
2153 ist = input_streams[i];
2154
2155 for (j = 0; j < ist->nb_filters; j++) {
49670e42 2156 if (!filtergraph_is_simple(ist->filters[j]->graph)) {
3b266da3
AK
2157 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2158 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
cf6c38c6 2159 ist->filters[j]->name);
3b266da3
AK
2160 if (nb_filtergraphs > 1)
2161 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2162 av_log(NULL, AV_LOG_INFO, "\n");
2163 }
2164 }
2165 }
2166
e3245b26 2167 for (i = 0; i < nb_output_streams; i++) {
2e215267 2168 ost = output_streams[i];
4dbc6cee
AK
2169
2170 if (ost->attachment_filename) {
2171 /* an attached file */
2172 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2173 ost->attachment_filename, ost->file_index, ost->index);
2174 continue;
2175 }
3b266da3 2176
49670e42 2177 if (ost->filter && !filtergraph_is_simple(ost->filter->graph)) {
3b266da3 2178 /* output from a complex graph */
cf6c38c6 2179 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
3b266da3
AK
2180 if (nb_filtergraphs > 1)
2181 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2182
2183 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2184 ost->index, ost->enc ? ost->enc->name : "?");
2185 continue;
2186 }
2187
9a414d89 2188 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2e215267
AK
2189 input_streams[ost->source_index]->file_index,
2190 input_streams[ost->source_index]->st->index,
e3245b26
AK
2191 ost->file_index,
2192 ost->index);
2e215267 2193 if (ost->sync_ist != input_streams[ost->source_index])
9a414d89 2194 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
e3245b26
AK
2195 ost->sync_ist->file_index,
2196 ost->sync_ist->st->index);
3d813e4c 2197 if (ost->stream_copy)
e3245b26 2198 av_log(NULL, AV_LOG_INFO, " (copy)");
39ec5e1c
LB
2199 else {
2200 const AVCodec *in_codec = input_streams[ost->source_index]->dec;
2201 const AVCodec *out_codec = ost->enc;
2202 const char *decoder_name = "?";
2203 const char *in_codec_name = "?";
2204 const char *encoder_name = "?";
2205 const char *out_codec_name = "?";
aa1a1b24 2206 const AVCodecDescriptor *desc;
39ec5e1c
LB
2207
2208 if (in_codec) {
2209 decoder_name = in_codec->name;
aa1a1b24
HS
2210 desc = avcodec_descriptor_get(in_codec->id);
2211 if (desc)
2212 in_codec_name = desc->name;
39ec5e1c
LB
2213 if (!strcmp(decoder_name, in_codec_name))
2214 decoder_name = "native";
2215 }
2216
2217 if (out_codec) {
2218 encoder_name = out_codec->name;
aa1a1b24
HS
2219 desc = avcodec_descriptor_get(out_codec->id);
2220 if (desc)
2221 out_codec_name = desc->name;
71d6551e 2222 if (!strcmp(encoder_name, out_codec_name))
39ec5e1c
LB
2223 encoder_name = "native";
2224 }
2225
2226 av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
2227 in_codec_name, decoder_name,
2228 out_codec_name, encoder_name);
2229 }
e3245b26 2230 av_log(NULL, AV_LOG_INFO, "\n");
6291d7e4
AK
2231 }
2232
2233 if (ret) {
e3245b26 2234 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
eaf2d37a 2235 return ret;
6291d7e4
AK
2236 }
2237
eaf2d37a
AC
2238 return 0;
2239}
2240
c1ef30a6 2241/* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
2f51ec2b
AK
2242static int need_output(void)
2243{
2244 int i;
2245
2246 for (i = 0; i < nb_output_streams; i++) {
2247 OutputStream *ost = output_streams[i];
2248 OutputFile *of = output_files[ost->file_index];
2249 AVFormatContext *os = output_files[ost->file_index]->ctx;
2250
57d24225 2251 if (ost->finished ||
2f51ec2b
AK
2252 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2253 continue;
e58b75f7 2254 if (ost->frame_number >= ost->max_frames) {
2f51ec2b
AK
2255 int j;
2256 for (j = 0; j < of->ctx->nb_streams; j++)
57d24225 2257 output_streams[of->ost_index + j]->finished = 1;
2f51ec2b
AK
2258 continue;
2259 }
2260
2261 return 1;
2262 }
2263
2264 return 0;
2265}
2266
83916029 2267static InputFile *select_input_file(void)
a508e7a1 2268{
83916029 2269 InputFile *ifile = NULL;
a508e7a1 2270 int64_t ipts_min = INT64_MAX;
83916029 2271 int i;
a508e7a1
AK
2272
2273 for (i = 0; i < nb_input_streams; i++) {
2274 InputStream *ist = input_streams[i];
2275 int64_t ipts = ist->last_dts;
2276
0b26ef42 2277 if (ist->discard || input_files[ist->file_index]->eagain)
a508e7a1
AK
2278 continue;
2279 if (!input_files[ist->file_index]->eof_reached) {
2280 if (ipts < ipts_min) {
2281 ipts_min = ipts;
83916029 2282 ifile = input_files[ist->file_index];
a508e7a1
AK
2283 }
2284 }
2285 }
2286
83916029 2287 return ifile;
a508e7a1
AK
2288}
2289
47b812e9 2290#if HAVE_PTHREADS
5db5169e
AK
2291static void *input_thread(void *arg)
2292{
2293 InputFile *f = arg;
2294 int ret = 0;
2295
2296 while (!transcoding_finished && ret >= 0) {
2297 AVPacket pkt;
2298 ret = av_read_frame(f->ctx, &pkt);
2299
2300 if (ret == AVERROR(EAGAIN)) {
896bb0d7 2301 av_usleep(10000);
5db5169e
AK
2302 ret = 0;
2303 continue;
2304 } else if (ret < 0)
2305 break;
2306
2307 pthread_mutex_lock(&f->fifo_lock);
2308 while (!av_fifo_space(f->fifo))
2309 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
2310
5db5169e
AK
2311 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
2312
2313 pthread_mutex_unlock(&f->fifo_lock);
2314 }
2315
2316 f->finished = 1;
2317 return NULL;
2318}
2319
2320static void free_input_threads(void)
2321{
2322 int i;
2323
2324 if (nb_input_files == 1)
2325 return;
2326
2327 transcoding_finished = 1;
2328
2329 for (i = 0; i < nb_input_files; i++) {
2330 InputFile *f = input_files[i];
2331 AVPacket pkt;
2332
9034b0ed 2333 if (!f->fifo || f->joined)
5db5169e
AK
2334 continue;
2335
2336 pthread_mutex_lock(&f->fifo_lock);
2337 while (av_fifo_size(f->fifo)) {
2338 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
ce70f28a 2339 av_packet_unref(&pkt);
5db5169e
AK
2340 }
2341 pthread_cond_signal(&f->fifo_cond);
2342 pthread_mutex_unlock(&f->fifo_lock);
2343
2344 pthread_join(f->thread, NULL);
2345 f->joined = 1;
2346
2347 while (av_fifo_size(f->fifo)) {
2348 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
ce70f28a 2349 av_packet_unref(&pkt);
5db5169e
AK
2350 }
2351 av_fifo_free(f->fifo);
2352 }
2353}
2354
2355static int init_input_threads(void)
2356{
2357 int i, ret;
2358
2359 if (nb_input_files == 1)
2360 return 0;
2361
2362 for (i = 0; i < nb_input_files; i++) {
2363 InputFile *f = input_files[i];
2364
2365 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
2366 return AVERROR(ENOMEM);
2367
2368 pthread_mutex_init(&f->fifo_lock, NULL);
2369 pthread_cond_init (&f->fifo_cond, NULL);
2370
2371 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
2372 return AVERROR(ret);
2373 }
2374 return 0;
2375}
2376
2377static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
2378{
2379 int ret = 0;
2380
2381 pthread_mutex_lock(&f->fifo_lock);
2382
2383 if (av_fifo_size(f->fifo)) {
2384 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
2385 pthread_cond_signal(&f->fifo_cond);
2386 } else {
2387 if (f->finished)
2388 ret = AVERROR_EOF;
2389 else
2390 ret = AVERROR(EAGAIN);
2391 }
2392
2393 pthread_mutex_unlock(&f->fifo_lock);
2394
2395 return ret;
2396}
2397#endif
2398
2399static int get_input_packet(InputFile *f, AVPacket *pkt)
2400{
b4a5a292
AK
2401 if (f->rate_emu) {
2402 int i;
2403 for (i = 0; i < f->nb_streams; i++) {
2404 InputStream *ist = input_streams[f->ist_index + i];
2405 int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
d0c09302 2406 int64_t now = av_gettime_relative() - ist->start;
b4a5a292
AK
2407 if (pts > now)
2408 return AVERROR(EAGAIN);
2409 }
2410 }
2411
47b812e9 2412#if HAVE_PTHREADS
5db5169e
AK
2413 if (nb_input_files > 1)
2414 return get_input_packet_mt(f, pkt);
2415#endif
2416 return av_read_frame(f->ctx, pkt);
2417}
2418
0b26ef42
AK
2419static int got_eagain(void)
2420{
2421 int i;
2422 for (i = 0; i < nb_input_files; i++)
2423 if (input_files[i]->eagain)
2424 return 1;
2425 return 0;
2426}
2427
2428static void reset_eagain(void)
2429{
2430 int i;
2431 for (i = 0; i < nb_input_files; i++)
2432 input_files[i]->eagain = 0;
2433}
2434
16b0c929
AH
2435// set duration to max(tmp, duration) in a proper time base and return duration's time_base
2436static AVRational duration_max(int64_t tmp, int64_t *duration, AVRational tmp_time_base,
2437 AVRational time_base)
2438{
2439 int ret;
2440
2441 if (!*duration) {
2442 *duration = tmp;
2443 return tmp_time_base;
2444 }
2445
2446 ret = av_compare_ts(*duration, time_base, tmp, tmp_time_base);
2447 if (ret < 0) {
2448 *duration = tmp;
2449 return tmp_time_base;
2450 }
2451
2452 return time_base;
2453}
2454
2455static int seek_to_start(InputFile *ifile, AVFormatContext *is)
2456{
2457 InputStream *ist;
2458 AVCodecContext *avctx;
2459 int i, ret, has_audio = 0;
2460 int64_t duration = 0;
2461
2462 ret = av_seek_frame(is, -1, is->start_time, 0);
2463 if (ret < 0)
2464 return ret;
2465
2466 for (i = 0; i < ifile->nb_streams; i++) {
2467 ist = input_streams[ifile->ist_index + i];
2468 avctx = ist->dec_ctx;
2469
2470 // flush decoders
2471 if (ist->decoding_needed) {
2472 process_input_packet(ist, NULL, 1);
2473 avcodec_flush_buffers(avctx);
2474 }
2475
2476 /* duration is the length of the last frame in a stream
2477 * when audio stream is present we don't care about
2478 * last video frame length because it's not defined exactly */
2479 if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && ist->nb_samples)
2480 has_audio = 1;
2481 }
2482
2483 for (i = 0; i < ifile->nb_streams; i++) {
2484 ist = input_streams[ifile->ist_index + i];
2485 avctx = ist->dec_ctx;
2486
2487 if (has_audio) {
2488 if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && ist->nb_samples) {
2489 AVRational sample_rate = {1, avctx->sample_rate};
2490
2491 duration = av_rescale_q(ist->nb_samples, sample_rate, ist->st->time_base);
2492 } else
2493 continue;
2494 } else {
2495 if (ist->framerate.num) {
2496 duration = av_rescale_q(1, ist->framerate, ist->st->time_base);
2497 } else if (ist->st->avg_frame_rate.num) {
2498 duration = av_rescale_q(1, ist->st->avg_frame_rate, ist->st->time_base);
2499 } else duration = 1;
2500 }
2501 if (!ifile->duration)
2502 ifile->time_base = ist->st->time_base;
2503 /* the total duration of the stream, max_pts - min_pts is
2504 * the duration of the stream without the last frame */
2505 duration += ist->max_pts - ist->min_pts;
2506 ifile->time_base = duration_max(duration, &ifile->duration, ist->st->time_base,
2507 ifile->time_base);
2508 }
2509
cd0e0881
AH
2510 if (ifile->loop > 0)
2511 ifile->loop--;
16b0c929
AH
2512
2513 return ret;
2514}
2515
c1ef30a6 2516/*
0c00fd80
AK
2517 * Read one packet from an input file and send it for
2518 * - decoding -> lavfi (audio/video)
2519 * - decoding -> encoding -> muxing (subtitles)
2520 * - muxing (streamcopy)
2521 *
c1ef30a6 2522 * Return
0c00fd80
AK
2523 * - 0 -- one packet was read and processed
2524 * - AVERROR(EAGAIN) -- no packets were available for selected file,
2525 * this function should be called again
2526 * - AVERROR_EOF -- this function should not be called again
2527 */
2528static int process_input(void)
2529{
2530 InputFile *ifile;
2531 AVFormatContext *is;
2532 InputStream *ist;
2533 AVPacket pkt;
2534 int ret, i, j;
16b0c929 2535 int64_t duration;
0c00fd80
AK
2536
2537 /* select the stream that we must read now */
2538 ifile = select_input_file();
2539 /* if none, if is finished */
2540 if (!ifile) {
2541 if (got_eagain()) {
2542 reset_eagain();
2543 av_usleep(10000);
2544 return AVERROR(EAGAIN);
2545 }
2546 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from.\n");
2547 return AVERROR_EOF;
2548 }
2549
2550 is = ifile->ctx;
2551 ret = get_input_packet(ifile, &pkt);
2552
2553 if (ret == AVERROR(EAGAIN)) {
2554 ifile->eagain = 1;
2555 return ret;
2556 }
cd0e0881 2557 if (ret < 0 && ifile->loop) {
16b0c929
AH
2558 if ((ret = seek_to_start(ifile, is)) < 0)
2559 return ret;
2560 ret = get_input_packet(ifile, &pkt);
2561 }
0c00fd80
AK
2562 if (ret < 0) {
2563 if (ret != AVERROR_EOF) {
2564 print_error(is->filename, ret);
2565 if (exit_on_error)
636ced8e 2566 exit_program(1);
0c00fd80
AK
2567 }
2568 ifile->eof_reached = 1;
2569
2570 for (i = 0; i < ifile->nb_streams; i++) {
2571 ist = input_streams[ifile->ist_index + i];
2572 if (ist->decoding_needed)
16b0c929 2573 process_input_packet(ist, NULL, 0);
0c00fd80
AK
2574
2575 /* mark all outputs that don't go through lavfi as finished */
2576 for (j = 0; j < nb_output_streams; j++) {
2577 OutputStream *ost = output_streams[j];
2578
2579 if (ost->source_index == ifile->ist_index + i &&
2580 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
48e50921 2581 finish_output_stream(ost);
0c00fd80
AK
2582 }
2583 }
2584
3c0df905 2585 return AVERROR(EAGAIN);
0c00fd80
AK
2586 }
2587
2588 reset_eagain();
2589
2590 if (do_pkt_dump) {
2591 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2592 is->streams[pkt.stream_index]);
2593 }
2594 /* the following test is needed in case new streams appear
2595 dynamically in stream : we ignore them */
2596 if (pkt.stream_index >= ifile->nb_streams)
2597 goto discard_packet;
2598
2599 ist = input_streams[ifile->ist_index + pkt.stream_index];
47543450
AK
2600
2601 ist->data_size += pkt.size;
59444c76 2602 ist->nb_packets++;
47543450 2603
0c00fd80
AK
2604 if (ist->discard)
2605 goto discard_packet;
2606
59444c76
AK
2607 /* add the stream-global side data to the first packet */
2608 if (ist->nb_packets == 1)
2609 for (i = 0; i < ist->st->nb_side_data; i++) {
2610 AVPacketSideData *src_sd = &ist->st->side_data[i];
2611 uint8_t *dst_data;
2612
2613 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
2614 continue;
16302246
MS
2615 if (ist->autorotate && src_sd->type == AV_PKT_DATA_DISPLAYMATRIX)
2616 continue;
59444c76
AK
2617
2618 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
2619 if (!dst_data)
2620 exit_program(1);
2621
2622 memcpy(dst_data, src_sd->data, src_sd->size);
2623 }
2624
0c00fd80
AK
2625 if (pkt.dts != AV_NOPTS_VALUE)
2626 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2627 if (pkt.pts != AV_NOPTS_VALUE)
2628 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2629
2630 if (pkt.pts != AV_NOPTS_VALUE)
2631 pkt.pts *= ist->ts_scale;
2632 if (pkt.dts != AV_NOPTS_VALUE)
2633 pkt.dts *= ist->ts_scale;
2634
6cfbe1de
LB
2635 if ((ist->dec_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
2636 ist->dec_ctx->codec_type == AVMEDIA_TYPE_AUDIO) &&
2637 pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
0c00fd80
AK
2638 (is->iformat->flags & AVFMT_TS_DISCONT)) {
2639 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2640 int64_t delta = pkt_dts - ist->next_dts;
2641
2642 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
2643 ifile->ts_offset -= delta;
2644 av_log(NULL, AV_LOG_DEBUG,
2645 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2646 delta, ifile->ts_offset);
2647 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2648 if (pkt.pts != AV_NOPTS_VALUE)
2649 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2650 }
2651 }
16b0c929
AH
2652 duration = av_rescale_q(ifile->duration, ifile->time_base, ist->st->time_base);
2653 if (pkt.pts != AV_NOPTS_VALUE) {
2654 pkt.pts += duration;
2655 ist->max_pts = FFMAX(pkt.pts, ist->max_pts);
2656 ist->min_pts = FFMIN(pkt.pts, ist->min_pts);
2657 }
2658
2659 if (pkt.dts != AV_NOPTS_VALUE)
2660 pkt.dts += duration;
0c00fd80 2661
16b0c929 2662 process_input_packet(ist, &pkt, 0);
0c00fd80
AK
2663
2664discard_packet:
ce70f28a 2665 av_packet_unref(&pkt);
0c00fd80
AK
2666
2667 return 0;
2668}
2669
eaf2d37a
AC
2670/*
2671 * The following code is the main loop of the file converter
2672 */
ea9367e9 2673static int transcode(void)
eaf2d37a 2674{
0c00fd80
AK
2675 int ret, i, need_input = 1;
2676 AVFormatContext *os;
eaf2d37a
AC
2677 OutputStream *ost;
2678 InputStream *ist;
eaf2d37a
AC
2679 int64_t timer_start;
2680
ea9367e9 2681 ret = transcode_init();
eaf2d37a
AC
2682 if (ret < 0)
2683 goto fail;
2684
e3245b26 2685 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
6291d7e4
AK
2686 term_init();
2687
d0c09302 2688 timer_start = av_gettime_relative();
6291d7e4 2689
47b812e9 2690#if HAVE_PTHREADS
5db5169e
AK
2691 if ((ret = init_input_threads()) < 0)
2692 goto fail;
2693#endif
2694
c0fbf971 2695 while (!received_sigterm) {
3b266da3 2696 /* check if there's any stream where output is still needed */
2f51ec2b
AK
2697 if (!need_output()) {
2698 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3b266da3 2699 break;
2f51ec2b 2700 }
3b266da3 2701
0c00fd80
AK
2702 /* read and process one input packet if needed */
2703 if (need_input) {
2704 ret = process_input();
2705 if (ret == AVERROR_EOF)
2706 need_input = 0;
6291d7e4
AK
2707 }
2708
0c00fd80 2709 ret = poll_filters();
63f7f8d1 2710 if (ret < 0 && ret != AVERROR_EOF) {
7ebf1b4a
LB
2711 char errbuf[128];
2712 av_strerror(ret, errbuf, sizeof(errbuf));
6291d7e4 2713
7ebf1b4a
LB
2714 av_log(NULL, AV_LOG_ERROR, "Error while filtering: %s\n", errbuf);
2715 break;
6291d7e4
AK
2716 }
2717
6291d7e4 2718 /* dump report by using the output first video and audio streams */
ea9367e9 2719 print_report(0, timer_start);
6291d7e4 2720 }
47b812e9 2721#if HAVE_PTHREADS
5db5169e
AK
2722 free_input_threads();
2723#endif
6291d7e4
AK
2724
2725 /* at the end of stream, we must flush the decoder buffers */
2726 for (i = 0; i < nb_input_streams; i++) {
2e215267 2727 ist = input_streams[i];
9e8aae44 2728 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
16b0c929 2729 process_input_packet(ist, NULL, 0);
6291d7e4
AK
2730 }
2731 }
560f7774 2732 poll_filters();
ea9367e9 2733 flush_encoders();
6291d7e4
AK
2734
2735 term_exit();
2736
2737 /* write the trailer if needed and close file */
7636c8c6 2738 for (i = 0; i < nb_output_files; i++) {
2e215267 2739 os = output_files[i]->ctx;
1c169782
AK
2740 if (!output_files[i]->header_written) {
2741 av_log(NULL, AV_LOG_ERROR,
2742 "Nothing was written into output file %d (%s), because "
2743 "at least one of its streams received no packets.\n",
2744 i, os->filename);
2745 continue;
2746 }
6291d7e4
AK
2747 av_write_trailer(os);
2748 }
2749
2750 /* dump report by using the first video and audio streams */
ea9367e9 2751 print_report(1, timer_start);
6291d7e4
AK
2752
2753 /* close each encoder */
4288e031 2754 for (i = 0; i < nb_output_streams; i++) {
2e215267 2755 ost = output_streams[i];
6291d7e4 2756 if (ost->encoding_needed) {
38313626 2757 av_freep(&ost->enc_ctx->stats_in);
6291d7e4 2758 }
6291d7e4
AK
2759 }
2760
2761 /* close each decoder */
2762 for (i = 0; i < nb_input_streams; i++) {
2e215267 2763 ist = input_streams[i];
6291d7e4 2764 if (ist->decoding_needed) {
41776ba9 2765 avcodec_close(ist->dec_ctx);
07fd0a22 2766 if (ist->hwaccel_uninit)
41776ba9 2767 ist->hwaccel_uninit(ist->dec_ctx);
6291d7e4
AK
2768 }
2769 }
2770
5d273d3e
MT
2771 av_buffer_unref(&hw_device_ctx);
2772
6291d7e4
AK
2773 /* finished ! */
2774 ret = 0;
2775
2776 fail:
47b812e9 2777#if HAVE_PTHREADS
5db5169e
AK
2778 free_input_threads();
2779#endif
6291d7e4 2780
4288e031
AK
2781 if (output_streams) {
2782 for (i = 0; i < nb_output_streams; i++) {
2e215267 2783 ost = output_streams[i];
6291d7e4 2784 if (ost) {
6291d7e4
AK
2785 if (ost->logfile) {
2786 fclose(ost->logfile);
2787 ost->logfile = NULL;
2788 }
6291d7e4 2789 av_free(ost->forced_kf_pts);
9580818c 2790 av_dict_free(&ost->encoder_opts);
5c7db097 2791 av_dict_free(&ost->resample_opts);
6291d7e4
AK
2792 }
2793 }
6291d7e4
AK
2794 }
2795 return ret;
2796}
2797
f5e66827 2798static int64_t getutime(void)
a2c0b830 2799{
f5e66827
AK
2800#if HAVE_GETRUSAGE
2801 struct rusage rusage;
a2c0b830 2802
f5e66827
AK
2803 getrusage(RUSAGE_SELF, &rusage);
2804 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2805#elif HAVE_GETPROCESSTIMES
2806 HANDLE proc;
2807 FILETIME c, e, k, u;
2808 proc = GetCurrentProcess();
2809 GetProcessTimes(proc, &c, &e, &k, &u);
2810 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
2811#else
d0c09302 2812 return av_gettime_relative();
f5e66827 2813#endif
a2c0b830
AK
2814}
2815
f5e66827 2816static int64_t getmaxrss(void)
6291d7e4 2817{
f5e66827
AK
2818#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
2819 struct rusage rusage;
2820 getrusage(RUSAGE_SELF, &rusage);
2821 return (int64_t)rusage.ru_maxrss * 1024;
2822#elif HAVE_GETPROCESSMEMORYINFO
2823 HANDLE proc;
2824 PROCESS_MEMORY_COUNTERS memcounters;
2825 proc = GetCurrentProcess();
2826 memcounters.cb = sizeof(memcounters);
2827 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
2828 return memcounters.PeakPagefileUsage;
2829#else
6291d7e4 2830 return 0;
f5e66827 2831#endif
6291d7e4
AK
2832}
2833
6291d7e4
AK
2834int main(int argc, char **argv)
2835{
1c169782 2836 int i, ret;
6291d7e4
AK
2837 int64_t ti;
2838
636ced8e 2839 register_exit(avconv_cleanup);
5e3f9979 2840
6291d7e4 2841 av_log_set_flags(AV_LOG_SKIP_REPEATED);
182cbe43 2842 parse_loglevel(argc, argv, options);
6291d7e4
AK
2843
2844 avcodec_register_all();
2845#if CONFIG_AVDEVICE
2846 avdevice_register_all();
2847#endif
6291d7e4 2848 avfilter_register_all();
6291d7e4 2849 av_register_all();
776f2bb9 2850 avformat_network_init();
6291d7e4 2851
6291d7e4
AK
2852 show_banner();
2853
77bd1bc7
AK
2854 /* parse options and open all input/output files */
2855 ret = avconv_parse_options(argc, argv);
2856 if (ret < 0)
636ced8e 2857 exit_program(1);
6291d7e4 2858
7636c8c6 2859 if (nb_output_files <= 0 && nb_input_files == 0) {
6291d7e4 2860 show_usage();
e3245b26 2861 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
636ced8e 2862 exit_program(1);
6291d7e4
AK
2863 }
2864
2865 /* file converter / grab */
2866 if (nb_output_files <= 0) {
2867 fprintf(stderr, "At least one output file must be specified\n");
636ced8e 2868 exit_program(1);
6291d7e4
AK
2869 }
2870
1c169782
AK
2871 for (i = 0; i < nb_output_files; i++) {
2872 if (strcmp(output_files[i]->ctx->oformat->name, "rtp"))
2873 want_sdp = 0;
2874 }
2875
6291d7e4 2876 ti = getutime();
ea9367e9 2877 if (transcode() < 0)
636ced8e 2878 exit_program(1);
6291d7e4
AK
2879 ti = getutime() - ti;
2880 if (do_benchmark) {
2881 int maxrss = getmaxrss() / 1024;
2882 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
2883 }
2884
636ced8e 2885 exit_program(0);
dad09ff9 2886 return 0;
6291d7e4 2887}