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Imported Debian version 2.4.3~trusty1
[deb_ffmpeg.git] / ffmpeg / ffmpeg.c
CommitLineData
2ba45a60
DM		 1/*
2 * Copyright (c) 2000-2003 Fabrice Bellard
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21/**
22 * @file
23 * multimedia converter based on the FFmpeg libraries
24 */
25
26#include "config.h"
27#include <ctype.h>
28#include <string.h>
29#include <math.h>
30#include <stdlib.h>
31#include <errno.h>
32#include <limits.h>
33#include <stdint.h>
34
35#if HAVE_ISATTY
36#if HAVE_IO_H
37#include <io.h>
38#endif
39#if HAVE_UNISTD_H
40#include <unistd.h>
41#endif
42#endif
43
44#include "libavformat/avformat.h"
45#include "libavdevice/avdevice.h"
46#include "libswresample/swresample.h"
47#include "libavutil/opt.h"
48#include "libavutil/channel_layout.h"
49#include "libavutil/parseutils.h"
50#include "libavutil/samplefmt.h"
51#include "libavutil/fifo.h"
52#include "libavutil/intreadwrite.h"
53#include "libavutil/dict.h"
54#include "libavutil/mathematics.h"
55#include "libavutil/pixdesc.h"
56#include "libavutil/avstring.h"
57#include "libavutil/libm.h"
58#include "libavutil/imgutils.h"
59#include "libavutil/timestamp.h"
60#include "libavutil/bprint.h"
61#include "libavutil/time.h"
62#include "libavutil/threadmessage.h"
63#include "libavformat/os_support.h"
64
65#include "libavformat/ffm.h" // not public API
66
67# include "libavfilter/avcodec.h"
68# include "libavfilter/avfilter.h"
69# include "libavfilter/buffersrc.h"
70# include "libavfilter/buffersink.h"
71
72#if HAVE_SYS_RESOURCE_H
73#include <sys/time.h>
74#include <sys/types.h>
75#include <sys/resource.h>
76#elif HAVE_GETPROCESSTIMES
77#include <windows.h>
78#endif
79#if HAVE_GETPROCESSMEMORYINFO
80#include <windows.h>
81#include <psapi.h>
82#endif
83
84#if HAVE_SYS_SELECT_H
85#include <sys/select.h>
86#endif
87
88#if HAVE_TERMIOS_H
89#include <fcntl.h>
90#include <sys/ioctl.h>
91#include <sys/time.h>
92#include <termios.h>
93#elif HAVE_KBHIT
94#include <conio.h>
95#endif
96
97#if HAVE_PTHREADS
98#include <pthread.h>
99#endif
100
101#include <time.h>
102
103#include "ffmpeg.h"
104#include "cmdutils.h"
105
106#include "libavutil/avassert.h"
107
108const char program_name[] = "ffmpeg";
109const int program_birth_year = 2000;
110
111static FILE *vstats_file;
112
113const char *const forced_keyframes_const_names[] = {
114 "n",
115 "n_forced",
116 "prev_forced_n",
117 "prev_forced_t",
118 "t",
119 NULL
120};
121
122static void do_video_stats(OutputStream *ost, int frame_size);
123static int64_t getutime(void);
124static int64_t getmaxrss(void);
125
126static int run_as_daemon = 0;
127static int nb_frames_dup = 0;
128static int nb_frames_drop = 0;
129static int64_t decode_error_stat[2];
130
131static int current_time;
132AVIOContext *progress_avio = NULL;
133
134static uint8_t *subtitle_out;
135
136#define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
137
138InputStream **input_streams = NULL;
139int nb_input_streams = 0;
140InputFile **input_files = NULL;
141int nb_input_files = 0;
142
143OutputStream **output_streams = NULL;
144int nb_output_streams = 0;
145OutputFile **output_files = NULL;
146int nb_output_files = 0;
147
148FilterGraph **filtergraphs;
149int nb_filtergraphs;
150
151#if HAVE_TERMIOS_H
152
153/* init terminal so that we can grab keys */
154static struct termios oldtty;
155static int restore_tty;
156#endif
157
158static void free_input_threads(void);
159
160
161/* sub2video hack:
162 Convert subtitles to video with alpha to insert them in filter graphs.
163 This is a temporary solution until libavfilter gets real subtitles support.
164 */
165
166static int sub2video_get_blank_frame(InputStream *ist)
167{
168 int ret;
169 AVFrame *frame = ist->sub2video.frame;
170
171 av_frame_unref(frame);
172 ist->sub2video.frame->width = ist->sub2video.w;
173 ist->sub2video.frame->height = ist->sub2video.h;
174 ist->sub2video.frame->format = AV_PIX_FMT_RGB32;
175 if ((ret = av_frame_get_buffer(frame, 32)) < 0)
176 return ret;
177 memset(frame->data[0], 0, frame->height * frame->linesize[0]);
178 return 0;
179}
180
181static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
182 AVSubtitleRect *r)
183{
184 uint32_t *pal, *dst2;
185 uint8_t *src, *src2;
186 int x, y;
187
188 if (r->type != SUBTITLE_BITMAP) {
189 av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
190 return;
191 }
192 if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
193 av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n");
194 return;
195 }
196
197 dst += r->y * dst_linesize + r->x * 4;
198 src = r->pict.data[0];
199 pal = (uint32_t *)r->pict.data[1];
200 for (y = 0; y < r->h; y++) {
201 dst2 = (uint32_t *)dst;
202 src2 = src;
203 for (x = 0; x < r->w; x++)
204 *(dst2++) = pal[*(src2++)];
205 dst += dst_linesize;
206 src += r->pict.linesize[0];
207 }
208}
209
210static void sub2video_push_ref(InputStream *ist, int64_t pts)
211{
212 AVFrame *frame = ist->sub2video.frame;
213 int i;
214
215 av_assert1(frame->data[0]);
216 ist->sub2video.last_pts = frame->pts = pts;
217 for (i = 0; i < ist->nb_filters; i++)
218 av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame,
219 AV_BUFFERSRC_FLAG_KEEP_REF |
220 AV_BUFFERSRC_FLAG_PUSH);
221}
222
223static void sub2video_update(InputStream *ist, AVSubtitle *sub)
224{
225 int w = ist->sub2video.w, h = ist->sub2video.h;
226 AVFrame *frame = ist->sub2video.frame;
227 int8_t *dst;
228 int dst_linesize;
229 int num_rects, i;
230 int64_t pts, end_pts;
231
232 if (!frame)
233 return;
234 if (sub) {
235 pts = av_rescale_q(sub->pts + sub->start_display_time * 1000LL,
236 AV_TIME_BASE_Q, ist->st->time_base);
237 end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000LL,
238 AV_TIME_BASE_Q, ist->st->time_base);
239 num_rects = sub->num_rects;
240 } else {
241 pts = ist->sub2video.end_pts;
242 end_pts = INT64_MAX;
243 num_rects = 0;
244 }
245 if (sub2video_get_blank_frame(ist) < 0) {
246 av_log(ist->dec_ctx, AV_LOG_ERROR,
247 "Impossible to get a blank canvas.\n");
248 return;
249 }
250 dst = frame->data [0];
251 dst_linesize = frame->linesize[0];
252 for (i = 0; i < num_rects; i++)
253 sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]);
254 sub2video_push_ref(ist, pts);
255 ist->sub2video.end_pts = end_pts;
256}
257
258static void sub2video_heartbeat(InputStream *ist, int64_t pts)
259{
260 InputFile *infile = input_files[ist->file_index];
261 int i, j, nb_reqs;
262 int64_t pts2;
263
264 /* When a frame is read from a file, examine all sub2video streams in
265 the same file and send the sub2video frame again. Otherwise, decoded
266 video frames could be accumulating in the filter graph while a filter
267 (possibly overlay) is desperately waiting for a subtitle frame. */
268 for (i = 0; i < infile->nb_streams; i++) {
269 InputStream *ist2 = input_streams[infile->ist_index + i];
270 if (!ist2->sub2video.frame)
271 continue;
272 /* subtitles seem to be usually muxed ahead of other streams;
273 if not, subtracting a larger time here is necessary */
274 pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
275 /* do not send the heartbeat frame if the subtitle is already ahead */
276 if (pts2 <= ist2->sub2video.last_pts)
277 continue;
278 if (pts2 >= ist2->sub2video.end_pts || !ist2->sub2video.frame->data[0])
279 sub2video_update(ist2, NULL);
280 for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
281 nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
282 if (nb_reqs)
283 sub2video_push_ref(ist2, pts2);
284 }
285}
286
287static void sub2video_flush(InputStream *ist)
288{
289 int i;
290
291 if (ist->sub2video.end_pts < INT64_MAX)
292 sub2video_update(ist, NULL);
293 for (i = 0; i < ist->nb_filters; i++)
294 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
295}
296
297/* end of sub2video hack */
298
299static void term_exit_sigsafe(void)
300{
301#if HAVE_TERMIOS_H
302 if(restore_tty)
303 tcsetattr (0, TCSANOW, &oldtty);
304#endif
305}
306
307void term_exit(void)
308{
309 av_log(NULL, AV_LOG_QUIET, "%s", "");
310 term_exit_sigsafe();
311}
312
313static volatile int received_sigterm = 0;
314static volatile int received_nb_signals = 0;
315static volatile int transcode_init_done = 0;
316static int main_return_code = 0;
317
318static void
319sigterm_handler(int sig)
320{
321 received_sigterm = sig;
322 received_nb_signals++;
323 term_exit_sigsafe();
324 if(received_nb_signals > 3)
325 exit(123);
326}
327
328void term_init(void)
329{
330#if HAVE_TERMIOS_H
331 if(!run_as_daemon){
332 struct termios tty;
333 int istty = 1;
334#if HAVE_ISATTY
335 istty = isatty(0) && isatty(2);
336#endif
337 if (istty && tcgetattr (0, &tty) == 0) {
338 oldtty = tty;
339 restore_tty = 1;
340
341 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
342 |INLCR|IGNCR|ICRNL|IXON);
343 tty.c_oflag |= OPOST;
344 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
345 tty.c_cflag &= ~(CSIZE|PARENB);
346 tty.c_cflag |= CS8;
347 tty.c_cc[VMIN] = 1;
348 tty.c_cc[VTIME] = 0;
349
350 tcsetattr (0, TCSANOW, &tty);
351 }
352 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
353 }
354#endif
355 avformat_network_deinit();
356
357 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
358 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
359#ifdef SIGXCPU
360 signal(SIGXCPU, sigterm_handler);
361#endif
362}
363
364/* read a key without blocking */
365static int read_key(void)
366{
367 unsigned char ch;
368#if HAVE_TERMIOS_H
369 int n = 1;
370 struct timeval tv;
371 fd_set rfds;
372
373 FD_ZERO(&rfds);
374 FD_SET(0, &rfds);
375 tv.tv_sec = 0;
376 tv.tv_usec = 0;
377 n = select(1, &rfds, NULL, NULL, &tv);
378 if (n > 0) {
379 n = read(0, &ch, 1);
380 if (n == 1)
381 return ch;
382
383 return n;
384 }
385#elif HAVE_KBHIT
386# if HAVE_PEEKNAMEDPIPE
387 static int is_pipe;
388 static HANDLE input_handle;
389 DWORD dw, nchars;
390 if(!input_handle){
391 input_handle = GetStdHandle(STD_INPUT_HANDLE);
392 is_pipe = !GetConsoleMode(input_handle, &dw);
393 }
394
395 if (stdin->_cnt > 0) {
396 read(0, &ch, 1);
397 return ch;
398 }
399 if (is_pipe) {
400 /* When running under a GUI, you will end here. */
401 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) {
402 // input pipe may have been closed by the program that ran ffmpeg
403 return -1;
404 }
405 //Read it
406 if(nchars != 0) {
407 read(0, &ch, 1);
408 return ch;
409 }else{
410 return -1;
411 }
412 }
413# endif
414 if(kbhit())
415 return(getch());
416#endif
417 return -1;
418}
419
420static int decode_interrupt_cb(void *ctx)
421{
422 return received_nb_signals > transcode_init_done;
423}
424
425const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
426
427static void ffmpeg_cleanup(int ret)
428{
429 int i, j;
430
431 if (do_benchmark) {
432 int maxrss = getmaxrss() / 1024;
433 printf("bench: maxrss=%ikB\n", maxrss);
434 }
435
436 for (i = 0; i < nb_filtergraphs; i++) {
437 FilterGraph *fg = filtergraphs[i];
438 avfilter_graph_free(&fg->graph);
439 for (j = 0; j < fg->nb_inputs; j++) {
440 av_freep(&fg->inputs[j]->name);
441 av_freep(&fg->inputs[j]);
442 }
443 av_freep(&fg->inputs);
444 for (j = 0; j < fg->nb_outputs; j++) {
445 av_freep(&fg->outputs[j]->name);
446 av_freep(&fg->outputs[j]);
447 }
448 av_freep(&fg->outputs);
449 av_freep(&fg->graph_desc);
450
451 av_freep(&filtergraphs[i]);
452 }
453 av_freep(&filtergraphs);
454
455 av_freep(&subtitle_out);
456
457 /* close files */
458 for (i = 0; i < nb_output_files; i++) {
459 OutputFile *of = output_files[i];
460 AVFormatContext *s = of->ctx;
461 if (s && s->oformat && !(s->oformat->flags & AVFMT_NOFILE) && s->pb)
462 avio_close(s->pb);
463 avformat_free_context(s);
464 av_dict_free(&of->opts);
465
466 av_freep(&output_files[i]);
467 }
468 for (i = 0; i < nb_output_streams; i++) {
469 OutputStream *ost = output_streams[i];
470 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
471 while (bsfc) {
472 AVBitStreamFilterContext *next = bsfc->next;
473 av_bitstream_filter_close(bsfc);
474 bsfc = next;
475 }
476 ost->bitstream_filters = NULL;
477 av_frame_free(&ost->filtered_frame);
478
479 av_parser_close(ost->parser);
480
481 av_freep(&ost->forced_keyframes);
482 av_expr_free(ost->forced_keyframes_pexpr);
483 av_freep(&ost->avfilter);
484 av_freep(&ost->logfile_prefix);
485
486 av_freep(&ost->audio_channels_map);
487 ost->audio_channels_mapped = 0;
488
489 avcodec_free_context(&ost->enc_ctx);
490
491 av_freep(&output_streams[i]);
492 }
493#if HAVE_PTHREADS
494 free_input_threads();
495#endif
496 for (i = 0; i < nb_input_files; i++) {
497 avformat_close_input(&input_files[i]->ctx);
498 av_freep(&input_files[i]);
499 }
500 for (i = 0; i < nb_input_streams; i++) {
501 InputStream *ist = input_streams[i];
502
503 av_frame_free(&ist->decoded_frame);
504 av_frame_free(&ist->filter_frame);
505 av_dict_free(&ist->decoder_opts);
506 avsubtitle_free(&ist->prev_sub.subtitle);
507 av_frame_free(&ist->sub2video.frame);
508 av_freep(&ist->filters);
509 av_freep(&ist->hwaccel_device);
510
511 avcodec_free_context(&ist->dec_ctx);
512
513 av_freep(&input_streams[i]);
514 }
515
516 if (vstats_file)
517 fclose(vstats_file);
518 av_free(vstats_filename);
519
520 av_freep(&input_streams);
521 av_freep(&input_files);
522 av_freep(&output_streams);
523 av_freep(&output_files);
524
525 uninit_opts();
526
527 avformat_network_deinit();
528
529 if (received_sigterm) {
530 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
531 (int) received_sigterm);
532 } else if (ret && transcode_init_done) {
533 av_log(NULL, AV_LOG_INFO, "Conversion failed!\n");
534 }
535 term_exit();
536}
537
538void remove_avoptions(AVDictionary **a, AVDictionary *b)
539{
540 AVDictionaryEntry *t = NULL;
541
542 while ((t = av_dict_get(b, "", t, AV_DICT_IGNORE_SUFFIX))) {
543 av_dict_set(a, t->key, NULL, AV_DICT_MATCH_CASE);
544 }
545}
546
547void assert_avoptions(AVDictionary *m)
548{
549 AVDictionaryEntry *t;
550 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
551 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
552 exit_program(1);
553 }
554}
555
556static void abort_codec_experimental(AVCodec *c, int encoder)
557{
558 exit_program(1);
559}
560
561static void update_benchmark(const char *fmt, ...)
562{
563 if (do_benchmark_all) {
564 int64_t t = getutime();
565 va_list va;
566 char buf[1024];
567
568 if (fmt) {
569 va_start(va, fmt);
570 vsnprintf(buf, sizeof(buf), fmt, va);
571 va_end(va);
572 printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
573 }
574 current_time = t;
575 }
576}
577
578static void close_all_output_streams(OutputStream *ost, OSTFinished this_stream, OSTFinished others)
579{
580 int i;
581 for (i = 0; i < nb_output_streams; i++) {
582 OutputStream *ost2 = output_streams[i];
583 ost2->finished |= ost == ost2 ? this_stream : others;
584 }
585}
586
587static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
588{
589 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
590 AVCodecContext *avctx = ost->st->codec;
591 int ret;
592
593 if (!ost->st->codec->extradata_size && ost->enc_ctx->extradata_size) {
594 ost->st->codec->extradata = av_mallocz(ost->enc_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE);
595 if (ost->st->codec->extradata) {
596 memcpy(ost->st->codec->extradata, ost->enc_ctx->extradata, ost->enc_ctx->extradata_size);
597 ost->st->codec->extradata_size = ost->enc_ctx->extradata_size;
598 }
599 }
600
601 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
602 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
603 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
604
605 /*
606 * Audio encoders may split the packets -- #frames in != #packets out.
607 * But there is no reordering, so we can limit the number of output packets
608 * by simply dropping them here.
609 * Counting encoded video frames needs to be done separately because of
610 * reordering, see do_video_out()
611 */
612 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
613 if (ost->frame_number >= ost->max_frames) {
614 av_free_packet(pkt);
615 return;
616 }
617 ost->frame_number++;
618 }
619
620 if (bsfc)
621 av_packet_split_side_data(pkt);
622
623 while (bsfc) {
624 AVPacket new_pkt = *pkt;
625 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
626 &new_pkt.data, &new_pkt.size,
627 pkt->data, pkt->size,
628 pkt->flags & AV_PKT_FLAG_KEY);
629 if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
630 uint8_t *t = av_malloc(new_pkt.size + FF_INPUT_BUFFER_PADDING_SIZE); //the new should be a subset of the old so cannot overflow
631 if(t) {
632 memcpy(t, new_pkt.data, new_pkt.size);
633 memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
634 new_pkt.data = t;
635 new_pkt.buf = NULL;
636 a = 1;
637 } else
638 a = AVERROR(ENOMEM);
639 }
640 if (a > 0) {
641 pkt->side_data = NULL;
642 pkt->side_data_elems = 0;
643 av_free_packet(pkt);
644 new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
645 av_buffer_default_free, NULL, 0);
646 if (!new_pkt.buf)
647 exit_program(1);
648 } else if (a < 0) {
649 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
650 bsfc->filter->name, pkt->stream_index,
651 avctx->codec ? avctx->codec->name : "copy");
652 print_error("", a);
653 if (exit_on_error)
654 exit_program(1);
655 }
656 *pkt = new_pkt;
657
658 bsfc = bsfc->next;
659 }
660
661 if (!(s->oformat->flags & AVFMT_NOTIMESTAMPS)) {
662 if(
663 (avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) &&
664 pkt->dts != AV_NOPTS_VALUE &&
665 ost->last_mux_dts != AV_NOPTS_VALUE) {
666 int64_t max = ost->last_mux_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
667 if (pkt->dts < max) {
668 int loglevel = max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG;
669 av_log(s, loglevel, "Non-monotonous DTS in output stream "
670 "%d:%d; previous: %"PRId64", current: %"PRId64"; ",
671 ost->file_index, ost->st->index, ost->last_mux_dts, pkt->dts);
672 if (exit_on_error) {
673 av_log(NULL, AV_LOG_FATAL, "aborting.\n");
674 exit_program(1);
675 }
676 av_log(s, loglevel, "changing to %"PRId64". This may result "
677 "in incorrect timestamps in the output file.\n",
678 max);
679 if(pkt->pts >= pkt->dts)
680 pkt->pts = FFMAX(pkt->pts, max);
681 pkt->dts = max;
682 }
683 }
684 if (pkt->dts != AV_NOPTS_VALUE &&
685 pkt->pts != AV_NOPTS_VALUE &&
686 pkt->dts > pkt->pts) {
687 av_log(s, AV_LOG_WARNING, "Invalid DTS: %"PRId64" PTS: %"PRId64" in output stream %d:%d\n",
688 pkt->dts, pkt->pts,
689 ost->file_index, ost->st->index);
690 pkt->pts = AV_NOPTS_VALUE;
691 pkt->dts = AV_NOPTS_VALUE;
692 }
693 }
694 ost->last_mux_dts = pkt->dts;
695
696 ost->data_size += pkt->size;
697 ost->packets_written++;
698
699 pkt->stream_index = ost->index;
700
701 if (debug_ts) {
702 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
703 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
704 av_get_media_type_string(ost->enc_ctx->codec_type),
705 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
706 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
707 pkt->size
708 );
709 }
710
711 ret = av_interleaved_write_frame(s, pkt);
712 if (ret < 0) {
713 print_error("av_interleaved_write_frame()", ret);
714 main_return_code = 1;
715 close_all_output_streams(ost, MUXER_FINISHED | ENCODER_FINISHED, ENCODER_FINISHED);
716 }
717 av_free_packet(pkt);
718}
719
720static void close_output_stream(OutputStream *ost)
721{
722 OutputFile *of = output_files[ost->file_index];
723
724 ost->finished |= ENCODER_FINISHED;
725 if (of->shortest) {
726 int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, AV_TIME_BASE_Q);
727 of->recording_time = FFMIN(of->recording_time, end);
728 }
729}
730
731static int check_recording_time(OutputStream *ost)
732{
733 OutputFile *of = output_files[ost->file_index];
734
735 if (of->recording_time != INT64_MAX &&
736 av_compare_ts(ost->sync_opts - ost->first_pts, ost->enc_ctx->time_base, of->recording_time,
737 AV_TIME_BASE_Q) >= 0) {
738 close_output_stream(ost);
739 return 0;
740 }
741 return 1;
742}
743
744static void do_audio_out(AVFormatContext *s, OutputStream *ost,
745 AVFrame *frame)
746{
747 AVCodecContext *enc = ost->enc_ctx;
748 AVPacket pkt;
749 int got_packet = 0;
750
751 av_init_packet(&pkt);
752 pkt.data = NULL;
753 pkt.size = 0;
754
755 if (!check_recording_time(ost))
756 return;
757
758 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
759 frame->pts = ost->sync_opts;
760 ost->sync_opts = frame->pts + frame->nb_samples;
761 ost->samples_encoded += frame->nb_samples;
762 ost->frames_encoded++;
763
764 av_assert0(pkt.size || !pkt.data);
765 update_benchmark(NULL);
766 if (debug_ts) {
767 av_log(NULL, AV_LOG_INFO, "encoder <- type:audio "
768 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
769 av_ts2str(frame->pts), av_ts2timestr(frame->pts, &enc->time_base),
770 enc->time_base.num, enc->time_base.den);
771 }
772
773 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
774 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
775 exit_program(1);
776 }
777 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
778
779 if (got_packet) {
780 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
781
782 if (debug_ts) {
783 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
784 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
785 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
786 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
787 }
788
789 write_frame(s, &pkt, ost);
790 }
791}
792
793static void do_subtitle_out(AVFormatContext *s,
794 OutputStream *ost,
795 InputStream *ist,
796 AVSubtitle *sub)
797{
798 int subtitle_out_max_size = 1024 * 1024;
799 int subtitle_out_size, nb, i;
800 AVCodecContext *enc;
801 AVPacket pkt;
802 int64_t pts;
803
804 if (sub->pts == AV_NOPTS_VALUE) {
805 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
806 if (exit_on_error)
807 exit_program(1);
808 return;
809 }
810
811 enc = ost->enc_ctx;
812
813 if (!subtitle_out) {
814 subtitle_out = av_malloc(subtitle_out_max_size);
815 }
816
817 /* Note: DVB subtitle need one packet to draw them and one other
818 packet to clear them */
819 /* XXX: signal it in the codec context ? */
820 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
821 nb = 2;
822 else
823 nb = 1;
824
825 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
826 pts = sub->pts;
827 if (output_files[ost->file_index]->start_time != AV_NOPTS_VALUE)
828 pts -= output_files[ost->file_index]->start_time;
829 for (i = 0; i < nb; i++) {
830 unsigned save_num_rects = sub->num_rects;
831
832 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
833 if (!check_recording_time(ost))
834 return;
835
836 sub->pts = pts;
837 // start_display_time is required to be 0
838 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
839 sub->end_display_time -= sub->start_display_time;
840 sub->start_display_time = 0;
841 if (i == 1)
842 sub->num_rects = 0;
843
844 ost->frames_encoded++;
845
846 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
847 subtitle_out_max_size, sub);
848 if (i == 1)
849 sub->num_rects = save_num_rects;
850 if (subtitle_out_size < 0) {
851 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
852 exit_program(1);
853 }
854
855 av_init_packet(&pkt);
856 pkt.data = subtitle_out;
857 pkt.size = subtitle_out_size;
858 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
859 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
860 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
861 /* XXX: the pts correction is handled here. Maybe handling
862 it in the codec would be better */
863 if (i == 0)
864 pkt.pts += 90 * sub->start_display_time;
865 else
866 pkt.pts += 90 * sub->end_display_time;
867 }
868 pkt.dts = pkt.pts;
869 write_frame(s, &pkt, ost);
870 }
871}
872
873static void do_video_out(AVFormatContext *s,
874 OutputStream *ost,
875 AVFrame *in_picture)
876{
877 int ret, format_video_sync;
878 AVPacket pkt;
879 AVCodecContext *enc = ost->enc_ctx;
880 AVCodecContext *mux_enc = ost->st->codec;
881 int nb_frames, i;
882 double sync_ipts, delta;
883 double duration = 0;
884 int frame_size = 0;
885 InputStream *ist = NULL;
886
887 if (ost->source_index >= 0)
888 ist = input_streams[ost->source_index];
889
890 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
891 duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base));
892
893 sync_ipts = in_picture->pts;
894 delta = sync_ipts - ost->sync_opts + duration;
895
896 /* by default, we output a single frame */
897 nb_frames = 1;
898
899 format_video_sync = video_sync_method;
900 if (format_video_sync == VSYNC_AUTO) {
901 if(!strcmp(s->oformat->name, "avi")) {
902 format_video_sync = VSYNC_VFR;
903 } else
904 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
905 if ( ist
906 && format_video_sync == VSYNC_CFR
907 && input_files[ist->file_index]->ctx->nb_streams == 1
908 && input_files[ist->file_index]->input_ts_offset == 0) {
909 format_video_sync = VSYNC_VSCFR;
910 }
911 if (format_video_sync == VSYNC_CFR && copy_ts) {
912 format_video_sync = VSYNC_VSCFR;
913 }
914 }
915
916 switch (format_video_sync) {
917 case VSYNC_VSCFR:
918 if (ost->frame_number == 0 && delta - duration >= 0.5) {
919 av_log(NULL, AV_LOG_DEBUG, "Not duplicating %d initial frames\n", (int)lrintf(delta - duration));
920 delta = duration;
921 ost->sync_opts = lrint(sync_ipts);
922 }
923 case VSYNC_CFR:
924 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
925 if (delta < -1.1)
926 nb_frames = 0;
927 else if (delta > 1.1)
928 nb_frames = lrintf(delta);
929 break;
930 case VSYNC_VFR:
931 if (delta <= -0.6)
932 nb_frames = 0;
933 else if (delta > 0.6)
934 ost->sync_opts = lrint(sync_ipts);
935 break;
936 case VSYNC_DROP:
937 case VSYNC_PASSTHROUGH:
938 ost->sync_opts = lrint(sync_ipts);
939 break;
940 default:
941 av_assert0(0);
942 }
943
944 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
945 if (nb_frames == 0) {
946 nb_frames_drop++;
947 av_log(NULL, AV_LOG_VERBOSE,
948 "*** dropping frame %d from stream %d at ts %"PRId64"\n",
949 ost->frame_number, ost->st->index, in_picture->pts);
950 return;
951 } else if (nb_frames > 1) {
952 if (nb_frames > dts_error_threshold * 30) {
953 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
954 nb_frames_drop++;
955 return;
956 }
957 nb_frames_dup += nb_frames - 1;
958 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
959 }
960
961 /* duplicates frame if needed */
962 for (i = 0; i < nb_frames; i++) {
963 av_init_packet(&pkt);
964 pkt.data = NULL;
965 pkt.size = 0;
966
967 in_picture->pts = ost->sync_opts;
968
969#if 1
970 if (!check_recording_time(ost))
971#else
972 if (ost->frame_number >= ost->max_frames)
973#endif
974 return;
975
976 if (s->oformat->flags & AVFMT_RAWPICTURE &&
977 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
978 /* raw pictures are written as AVPicture structure to
979 avoid any copies. We support temporarily the older
980 method. */
981 mux_enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
982 mux_enc->coded_frame->top_field_first = in_picture->top_field_first;
983 if (mux_enc->coded_frame->interlaced_frame)
984 mux_enc->field_order = mux_enc->coded_frame->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
985 else
986 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
987 pkt.data = (uint8_t *)in_picture;
988 pkt.size = sizeof(AVPicture);
989 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
990 pkt.flags |= AV_PKT_FLAG_KEY;
991
992 write_frame(s, &pkt, ost);
993 } else {
994 int got_packet, forced_keyframe = 0;
995 double pts_time;
996
997 if (enc->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
998 ost->top_field_first >= 0)
999 in_picture->top_field_first = !!ost->top_field_first;
1000
1001 if (in_picture->interlaced_frame) {
1002 if (enc->codec->id == AV_CODEC_ID_MJPEG)
1003 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
1004 else
1005 mux_enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
1006 } else
1007 mux_enc->field_order = AV_FIELD_PROGRESSIVE;
1008
1009 in_picture->quality = enc->global_quality;
1010 if (!enc->me_threshold)
1011 in_picture->pict_type = 0;
1012
1013 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
1014 in_picture->pts * av_q2d(enc->time_base) : NAN;
1015 if (ost->forced_kf_index < ost->forced_kf_count &&
1016 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1017 ost->forced_kf_index++;
1018 forced_keyframe = 1;
1019 } else if (ost->forced_keyframes_pexpr) {
1020 double res;
1021 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
1022 res = av_expr_eval(ost->forced_keyframes_pexpr,
1023 ost->forced_keyframes_expr_const_values, NULL);
1024 av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
1025 ost->forced_keyframes_expr_const_values[FKF_N],
1026 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
1027 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
1028 ost->forced_keyframes_expr_const_values[FKF_T],
1029 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
1030 res);
1031 if (res) {
1032 forced_keyframe = 1;
1033 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
1034 ost->forced_keyframes_expr_const_values[FKF_N];
1035 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
1036 ost->forced_keyframes_expr_const_values[FKF_T];
1037 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
1038 }
1039
1040 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
1041 }
1042
1043 if (forced_keyframe) {
1044 in_picture->pict_type = AV_PICTURE_TYPE_I;
1045 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
1046 }
1047
1048 update_benchmark(NULL);
1049 if (debug_ts) {
1050 av_log(NULL, AV_LOG_INFO, "encoder <- type:video "
1051 "frame_pts:%s frame_pts_time:%s time_base:%d/%d\n",
1052 av_ts2str(in_picture->pts), av_ts2timestr(in_picture->pts, &enc->time_base),
1053 enc->time_base.num, enc->time_base.den);
1054 }
1055
1056 ost->frames_encoded++;
1057
1058 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
1059 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1060 if (ret < 0) {
1061 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1062 exit_program(1);
1063 }
1064
1065 if (got_packet) {
1066 if (debug_ts) {
1067 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1068 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1069 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &enc->time_base),
1070 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &enc->time_base));
1071 }
1072
1073 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1074 pkt.pts = ost->sync_opts;
1075
1076 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1077
1078 if (debug_ts) {
1079 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1080 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1081 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1082 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1083 }
1084
1085 frame_size = pkt.size;
1086 write_frame(s, &pkt, ost);
1087
1088 /* if two pass, output log */
1089 if (ost->logfile && enc->stats_out) {
1090 fprintf(ost->logfile, "%s", enc->stats_out);
1091 }
1092 }
1093 }
1094 ost->sync_opts++;
1095 /*
1096 * For video, number of frames in == number of packets out.
1097 * But there may be reordering, so we can't throw away frames on encoder
1098 * flush, we need to limit them here, before they go into encoder.
1099 */
1100 ost->frame_number++;
1101
1102 if (vstats_filename && frame_size)
1103 do_video_stats(ost, frame_size);
1104 }
1105}
1106
1107static double psnr(double d)
1108{
1109 return -10.0 * log(d) / log(10.0);
1110}
1111
1112static void do_video_stats(OutputStream *ost, int frame_size)
1113{
1114 AVCodecContext *enc;
1115 int frame_number;
1116 double ti1, bitrate, avg_bitrate;
1117
1118 /* this is executed just the first time do_video_stats is called */
1119 if (!vstats_file) {
1120 vstats_file = fopen(vstats_filename, "w");
1121 if (!vstats_file) {
1122 perror("fopen");
1123 exit_program(1);
1124 }
1125 }
1126
1127 enc = ost->enc_ctx;
1128 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1129 frame_number = ost->st->nb_frames;
1130 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1131 if (enc->flags&CODEC_FLAG_PSNR)
1132 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1133
1134 fprintf(vstats_file,"f_size= %6d ", frame_size);
1135 /* compute pts value */
1136 ti1 = av_stream_get_end_pts(ost->st) * av_q2d(ost->st->time_base);
1137 if (ti1 < 0.01)
1138 ti1 = 0.01;
1139
1140 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1141 avg_bitrate = (double)(ost->data_size * 8) / ti1 / 1000.0;
1142 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1143 (double)ost->data_size / 1024, ti1, bitrate, avg_bitrate);
1144 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1145 }
1146}
1147
1148static void finish_output_stream(OutputStream *ost)
1149{
1150 OutputFile *of = output_files[ost->file_index];
1151 int i;
1152
1153 ost->finished = ENCODER_FINISHED | MUXER_FINISHED;
1154
1155 if (of->shortest) {
1156 for (i = 0; i < of->ctx->nb_streams; i++)
1157 output_streams[of->ost_index + i]->finished = ENCODER_FINISHED | MUXER_FINISHED;
1158 }
1159}
1160
1161/**
1162 * Get and encode new output from any of the filtergraphs, without causing
1163 * activity.
1164 *
1165 * @return 0 for success, <0 for severe errors
1166 */
1167static int reap_filters(void)
1168{
1169 AVFrame *filtered_frame = NULL;
1170 int i;
1171 int64_t frame_pts;
1172
1173 /* Reap all buffers present in the buffer sinks */
1174 for (i = 0; i < nb_output_streams; i++) {
1175 OutputStream *ost = output_streams[i];
1176 OutputFile *of = output_files[ost->file_index];
1177 AVFilterContext *filter;
1178 AVCodecContext *enc = ost->enc_ctx;
1179 int ret = 0;
1180
1181 if (!ost->filter)
1182 continue;
1183 filter = ost->filter->filter;
1184
1185 if (!ost->filtered_frame && !(ost->filtered_frame = av_frame_alloc())) {
1186 return AVERROR(ENOMEM);
1187 }
1188 filtered_frame = ost->filtered_frame;
1189
1190 while (1) {
1191 ret = av_buffersink_get_frame_flags(filter, filtered_frame,
1192 AV_BUFFERSINK_FLAG_NO_REQUEST);
1193 if (ret < 0) {
1194 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1195 av_log(NULL, AV_LOG_WARNING,
1196 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1197 }
1198 break;
1199 }
1200 if (ost->finished) {
1201 av_frame_unref(filtered_frame);
1202 continue;
1203 }
1204 frame_pts = AV_NOPTS_VALUE;
1205 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1206 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1207 filtered_frame->pts = frame_pts =
1208 av_rescale_q(filtered_frame->pts, filter->inputs[0]->time_base, enc->time_base) -
1209 av_rescale_q(start_time, AV_TIME_BASE_Q, enc->time_base);
1210 }
1211 //if (ost->source_index >= 0)
1212 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1213
1214 switch (filter->inputs[0]->type) {
1215 case AVMEDIA_TYPE_VIDEO:
1216 filtered_frame->pts = frame_pts;
1217 if (!ost->frame_aspect_ratio.num)
1218 enc->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1219
1220 if (debug_ts) {
1221 av_log(NULL, AV_LOG_INFO, "filter -> pts:%s pts_time:%s time_base:%d/%d\n",
1222 av_ts2str(filtered_frame->pts), av_ts2timestr(filtered_frame->pts, &enc->time_base),
1223 enc->time_base.num, enc->time_base.den);
1224 }
1225
1226 do_video_out(of->ctx, ost, filtered_frame);
1227 break;
1228 case AVMEDIA_TYPE_AUDIO:
1229 filtered_frame->pts = frame_pts;
1230 if (!(enc->codec->capabilities & CODEC_CAP_PARAM_CHANGE) &&
1231 enc->channels != av_frame_get_channels(filtered_frame)) {
1232 av_log(NULL, AV_LOG_ERROR,
1233 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1234 break;
1235 }
1236 do_audio_out(of->ctx, ost, filtered_frame);
1237 break;
1238 default:
1239 // TODO support subtitle filters
1240 av_assert0(0);
1241 }
1242
1243 av_frame_unref(filtered_frame);
1244 }
1245 }
1246
1247 return 0;
1248}
1249
1250static void print_final_stats(int64_t total_size)
1251{
1252 uint64_t video_size = 0, audio_size = 0, extra_size = 0, other_size = 0;
1253 uint64_t subtitle_size = 0;
1254 uint64_t data_size = 0;
1255 float percent = -1.0;
1256 int i, j;
1257
1258 for (i = 0; i < nb_output_streams; i++) {
1259 OutputStream *ost = output_streams[i];
1260 switch (ost->enc_ctx->codec_type) {
1261 case AVMEDIA_TYPE_VIDEO: video_size += ost->data_size; break;
1262 case AVMEDIA_TYPE_AUDIO: audio_size += ost->data_size; break;
1263 case AVMEDIA_TYPE_SUBTITLE: subtitle_size += ost->data_size; break;
1264 default: other_size += ost->data_size; break;
1265 }
1266 extra_size += ost->enc_ctx->extradata_size;
1267 data_size += ost->data_size;
1268 }
1269
1270 if (data_size && total_size>0 && total_size >= data_size)
1271 percent = 100.0 * (total_size - data_size) / data_size;
1272
1273 av_log(NULL, AV_LOG_INFO, "\n");
1274 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0fkB other streams:%1.0fkB global headers:%1.0fkB muxing overhead: ",
1275 video_size / 1024.0,
1276 audio_size / 1024.0,
1277 subtitle_size / 1024.0,
1278 other_size / 1024.0,
1279 extra_size / 1024.0);
1280 if (percent >= 0.0)
1281 av_log(NULL, AV_LOG_INFO, "%f%%", percent);
1282 else
1283 av_log(NULL, AV_LOG_INFO, "unknown");
1284 av_log(NULL, AV_LOG_INFO, "\n");
1285
1286 /* print verbose per-stream stats */
1287 for (i = 0; i < nb_input_files; i++) {
1288 InputFile *f = input_files[i];
1289 uint64_t total_packets = 0, total_size = 0;
1290
1291 av_log(NULL, AV_LOG_VERBOSE, "Input file #%d (%s):\n",
1292 i, f->ctx->filename);
1293
1294 for (j = 0; j < f->nb_streams; j++) {
1295 InputStream *ist = input_streams[f->ist_index + j];
1296 enum AVMediaType type = ist->dec_ctx->codec_type;
1297
1298 total_size += ist->data_size;
1299 total_packets += ist->nb_packets;
1300
1301 av_log(NULL, AV_LOG_VERBOSE, " Input stream #%d:%d (%s): ",
1302 i, j, media_type_string(type));
1303 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets read (%"PRIu64" bytes); ",
1304 ist->nb_packets, ist->data_size);
1305
1306 if (ist->decoding_needed) {
1307 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames decoded",
1308 ist->frames_decoded);
1309 if (type == AVMEDIA_TYPE_AUDIO)
1310 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ist->samples_decoded);
1311 av_log(NULL, AV_LOG_VERBOSE, "; ");
1312 }
1313
1314 av_log(NULL, AV_LOG_VERBOSE, "\n");
1315 }
1316
1317 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) demuxed\n",
1318 total_packets, total_size);
1319 }
1320
1321 for (i = 0; i < nb_output_files; i++) {
1322 OutputFile *of = output_files[i];
1323 uint64_t total_packets = 0, total_size = 0;
1324
1325 av_log(NULL, AV_LOG_VERBOSE, "Output file #%d (%s):\n",
1326 i, of->ctx->filename);
1327
1328 for (j = 0; j < of->ctx->nb_streams; j++) {
1329 OutputStream *ost = output_streams[of->ost_index + j];
1330 enum AVMediaType type = ost->enc_ctx->codec_type;
1331
1332 total_size += ost->data_size;
1333 total_packets += ost->packets_written;
1334
1335 av_log(NULL, AV_LOG_VERBOSE, " Output stream #%d:%d (%s): ",
1336 i, j, media_type_string(type));
1337 if (ost->encoding_needed) {
1338 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" frames encoded",
1339 ost->frames_encoded);
1340 if (type == AVMEDIA_TYPE_AUDIO)
1341 av_log(NULL, AV_LOG_VERBOSE, " (%"PRIu64" samples)", ost->samples_encoded);
1342 av_log(NULL, AV_LOG_VERBOSE, "; ");
1343 }
1344
1345 av_log(NULL, AV_LOG_VERBOSE, "%"PRIu64" packets muxed (%"PRIu64" bytes); ",
1346 ost->packets_written, ost->data_size);
1347
1348 av_log(NULL, AV_LOG_VERBOSE, "\n");
1349 }
1350
1351 av_log(NULL, AV_LOG_VERBOSE, " Total: %"PRIu64" packets (%"PRIu64" bytes) muxed\n",
1352 total_packets, total_size);
1353 }
1354 if(video_size + data_size + audio_size + subtitle_size + extra_size == 0){
1355 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1356 }
1357}
1358
1359static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1360{
1361 char buf[1024];
1362 AVBPrint buf_script;
1363 OutputStream *ost;
1364 AVFormatContext *oc;
1365 int64_t total_size;
1366 AVCodecContext *enc;
1367 int frame_number, vid, i;
1368 double bitrate;
1369 int64_t pts = INT64_MIN;
1370 static int64_t last_time = -1;
1371 static int qp_histogram[52];
1372 int hours, mins, secs, us;
1373
1374 if (!print_stats && !is_last_report && !progress_avio)
1375 return;
1376
1377 if (!is_last_report) {
1378 if (last_time == -1) {
1379 last_time = cur_time;
1380 return;
1381 }
1382 if ((cur_time - last_time) < 500000)
1383 return;
1384 last_time = cur_time;
1385 }
1386
1387
1388 oc = output_files[0]->ctx;
1389
1390 total_size = avio_size(oc->pb);
1391 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1392 total_size = avio_tell(oc->pb);
1393
1394 buf[0] = '\0';
1395 vid = 0;
1396 av_bprint_init(&buf_script, 0, 1);
1397 for (i = 0; i < nb_output_streams; i++) {
1398 float q = -1;
1399 ost = output_streams[i];
1400 enc = ost->enc_ctx;
1401 if (!ost->stream_copy && enc->coded_frame)
1402 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1403 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1404 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1405 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1406 ost->file_index, ost->index, q);
1407 }
1408 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1409 float fps, t = (cur_time-timer_start) / 1000000.0;
1410
1411 frame_number = ost->frame_number;
1412 fps = t > 1 ? frame_number / t : 0;
1413 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1414 frame_number, fps < 9.95, fps, q);
1415 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1416 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1417 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1418 ost->file_index, ost->index, q);
1419 if (is_last_report)
1420 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1421 if (qp_hist) {
1422 int j;
1423 int qp = lrintf(q);
1424 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1425 qp_histogram[qp]++;
1426 for (j = 0; j < 32; j++)
1427 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
1428 }
1429 if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) {
1430 int j;
1431 double error, error_sum = 0;
1432 double scale, scale_sum = 0;
1433 double p;
1434 char type[3] = { 'Y','U','V' };
1435 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1436 for (j = 0; j < 3; j++) {
1437 if (is_last_report) {
1438 error = enc->error[j];
1439 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1440 } else {
1441 error = enc->coded_frame->error[j];
1442 scale = enc->width * enc->height * 255.0 * 255.0;
1443 }
1444 if (j)
1445 scale /= 4;
1446 error_sum += error;
1447 scale_sum += scale;
1448 p = psnr(error / scale);
1449 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1450 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1451 ost->file_index, ost->index, type[j] | 32, p);
1452 }
1453 p = psnr(error_sum / scale_sum);
1454 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1455 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1456 ost->file_index, ost->index, p);
1457 }
1458 vid = 1;
1459 }
1460 /* compute min output value */
1461 if (av_stream_get_end_pts(ost->st) != AV_NOPTS_VALUE)
1462 pts = FFMAX(pts, av_rescale_q(av_stream_get_end_pts(ost->st),
1463 ost->st->time_base, AV_TIME_BASE_Q));
1464 }
1465
1466 secs = pts / AV_TIME_BASE;
1467 us = pts % AV_TIME_BASE;
1468 mins = secs / 60;
1469 secs %= 60;
1470 hours = mins / 60;
1471 mins %= 60;
1472
1473 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1474
1475 if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1476 "size=N/A time=");
1477 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1478 "size=%8.0fkB time=", total_size / 1024.0);
1479 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1480 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1481 (100 * us) / AV_TIME_BASE);
1482 if (bitrate < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1483 "bitrate=N/A");
1484 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1485 "bitrate=%6.1fkbits/s", bitrate);
1486 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1487 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1488 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1489 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1490 hours, mins, secs, us);
1491
1492 if (nb_frames_dup || nb_frames_drop)
1493 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1494 nb_frames_dup, nb_frames_drop);
1495 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1496 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1497
1498 if (print_stats || is_last_report) {
1499 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1500 fprintf(stderr, "%s \r", buf);
1501 } else
1502 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1503
1504 fflush(stderr);
1505 }
1506
1507 if (progress_avio) {
1508 av_bprintf(&buf_script, "progress=%s\n",
1509 is_last_report ? "end" : "continue");
1510 avio_write(progress_avio, buf_script.str,
1511 FFMIN(buf_script.len, buf_script.size - 1));
1512 avio_flush(progress_avio);
1513 av_bprint_finalize(&buf_script, NULL);
1514 if (is_last_report) {
1515 avio_close(progress_avio);
1516 progress_avio = NULL;
1517 }
1518 }
1519
1520 if (is_last_report)
1521 print_final_stats(total_size);
1522}
1523
1524static void flush_encoders(void)
1525{
1526 int i, ret;
1527
1528 for (i = 0; i < nb_output_streams; i++) {
1529 OutputStream *ost = output_streams[i];
1530 AVCodecContext *enc = ost->enc_ctx;
1531 AVFormatContext *os = output_files[ost->file_index]->ctx;
1532 int stop_encoding = 0;
1533
1534 if (!ost->encoding_needed)
1535 continue;
1536
1537 if (enc->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1538 continue;
1539 if (enc->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1540 continue;
1541
1542 for (;;) {
1543 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1544 const char *desc;
1545
1546 switch (enc->codec_type) {
1547 case AVMEDIA_TYPE_AUDIO:
1548 encode = avcodec_encode_audio2;
1549 desc = "Audio";
1550 break;
1551 case AVMEDIA_TYPE_VIDEO:
1552 encode = avcodec_encode_video2;
1553 desc = "Video";
1554 break;
1555 default:
1556 stop_encoding = 1;
1557 }
1558
1559 if (encode) {
1560 AVPacket pkt;
1561 int pkt_size;
1562 int got_packet;
1563 av_init_packet(&pkt);
1564 pkt.data = NULL;
1565 pkt.size = 0;
1566
1567 update_benchmark(NULL);
1568 ret = encode(enc, &pkt, NULL, &got_packet);
1569 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1570 if (ret < 0) {
1571 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1572 exit_program(1);
1573 }
1574 if (ost->logfile && enc->stats_out) {
1575 fprintf(ost->logfile, "%s", enc->stats_out);
1576 }
1577 if (!got_packet) {
1578 stop_encoding = 1;
1579 break;
1580 }
1581 if (ost->finished & MUXER_FINISHED) {
1582 av_free_packet(&pkt);
1583 continue;
1584 }
1585 av_packet_rescale_ts(&pkt, enc->time_base, ost->st->time_base);
1586 pkt_size = pkt.size;
1587 write_frame(os, &pkt, ost);
1588 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1589 do_video_stats(ost, pkt_size);
1590 }
1591 }
1592
1593 if (stop_encoding)
1594 break;
1595 }
1596 }
1597}
1598
1599/*
1600 * Check whether a packet from ist should be written into ost at this time
1601 */
1602static int check_output_constraints(InputStream *ist, OutputStream *ost)
1603{
1604 OutputFile *of = output_files[ost->file_index];
1605 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1606
1607 if (ost->source_index != ist_index)
1608 return 0;
1609
1610 if (ost->finished)
1611 return 0;
1612
1613 if (of->start_time != AV_NOPTS_VALUE && ist->pts < of->start_time)
1614 return 0;
1615
1616 return 1;
1617}
1618
1619static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1620{
1621 OutputFile *of = output_files[ost->file_index];
1622 InputFile *f = input_files [ist->file_index];
1623 int64_t start_time = (of->start_time == AV_NOPTS_VALUE) ? 0 : of->start_time;
1624 int64_t ost_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1625 int64_t ist_tb_start_time = av_rescale_q(start_time, AV_TIME_BASE_Q, ist->st->time_base);
1626 AVPicture pict;
1627 AVPacket opkt;
1628
1629 av_init_packet(&opkt);
1630
1631 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1632 !ost->copy_initial_nonkeyframes)
1633 return;
1634
1635 if (pkt->pts == AV_NOPTS_VALUE) {
1636 if (!ost->frame_number && ist->pts < start_time &&
1637 !ost->copy_prior_start)
1638 return;
1639 } else {
1640 if (!ost->frame_number && pkt->pts < ist_tb_start_time &&
1641 !ost->copy_prior_start)
1642 return;
1643 }
1644
1645 if (of->recording_time != INT64_MAX &&
1646 ist->pts >= of->recording_time + start_time) {
1647 close_output_stream(ost);
1648 return;
1649 }
1650
1651 if (f->recording_time != INT64_MAX) {
1652 start_time = f->ctx->start_time;
1653 if (f->start_time != AV_NOPTS_VALUE)
1654 start_time += f->start_time;
1655 if (ist->pts >= f->recording_time + start_time) {
1656 close_output_stream(ost);
1657 return;
1658 }
1659 }
1660
1661 /* force the input stream PTS */
1662 if (ost->enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
1663 ost->sync_opts++;
1664
1665 if (pkt->pts != AV_NOPTS_VALUE)
1666 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1667 else
1668 opkt.pts = AV_NOPTS_VALUE;
1669
1670 if (pkt->dts == AV_NOPTS_VALUE)
1671 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1672 else
1673 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1674 opkt.dts -= ost_tb_start_time;
1675
1676 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1677 int duration = av_get_audio_frame_duration(ist->dec_ctx, pkt->size);
1678 if(!duration)
1679 duration = ist->dec_ctx->frame_size;
1680 opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
1681 (AVRational){1, ist->dec_ctx->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
1682 ost->st->time_base) - ost_tb_start_time;
1683 }
1684
1685 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1686 opkt.flags = pkt->flags;
1687
1688 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1689 if ( ost->enc_ctx->codec_id != AV_CODEC_ID_H264
1690 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG1VIDEO
1691 && ost->enc_ctx->codec_id != AV_CODEC_ID_MPEG2VIDEO
1692 && ost->enc_ctx->codec_id != AV_CODEC_ID_VC1
1693 ) {
1694 if (av_parser_change(ost->parser, ost->st->codec,
1695 &opkt.data, &opkt.size,
1696 pkt->data, pkt->size,
1697 pkt->flags & AV_PKT_FLAG_KEY)) {
1698 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1699 if (!opkt.buf)
1700 exit_program(1);
1701 }
1702 } else {
1703 opkt.data = pkt->data;
1704 opkt.size = pkt->size;
1705 }
1706 av_copy_packet_side_data(&opkt, pkt);
1707
1708 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1709 /* store AVPicture in AVPacket, as expected by the output format */
1710 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1711 opkt.data = (uint8_t *)&pict;
1712 opkt.size = sizeof(AVPicture);
1713 opkt.flags |= AV_PKT_FLAG_KEY;
1714 }
1715
1716 write_frame(of->ctx, &opkt, ost);
1717}
1718
1719int guess_input_channel_layout(InputStream *ist)
1720{
1721 AVCodecContext *dec = ist->dec_ctx;
1722
1723 if (!dec->channel_layout) {
1724 char layout_name[256];
1725
1726 if (dec->channels > ist->guess_layout_max)
1727 return 0;
1728 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1729 if (!dec->channel_layout)
1730 return 0;
1731 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1732 dec->channels, dec->channel_layout);
1733 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1734 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1735 }
1736 return 1;
1737}
1738
1739static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1740{
1741 AVFrame *decoded_frame, *f;
1742 AVCodecContext *avctx = ist->dec_ctx;
1743 int i, ret, err = 0, resample_changed;
1744 AVRational decoded_frame_tb;
1745
1746 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1747 return AVERROR(ENOMEM);
1748 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1749 return AVERROR(ENOMEM);
1750 decoded_frame = ist->decoded_frame;
1751
1752 update_benchmark(NULL);
1753 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1754 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1755
1756 if (ret >= 0 && avctx->sample_rate <= 0) {
1757 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1758 ret = AVERROR_INVALIDDATA;
1759 }
1760
1761 if (*got_output || ret<0 || pkt->size)
1762 decode_error_stat[ret<0] ++;
1763
1764 if (!*got_output || ret < 0) {
1765 if (!pkt->size) {
1766 for (i = 0; i < ist->nb_filters; i++)
1767#if 1
1768 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1769#else
1770 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1771#endif
1772 }
1773 return ret;
1774 }
1775
1776 ist->samples_decoded += decoded_frame->nb_samples;
1777 ist->frames_decoded++;
1778
1779#if 1
1780 /* increment next_dts to use for the case where the input stream does not
1781 have timestamps or there are multiple frames in the packet */
1782 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1783 avctx->sample_rate;
1784 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1785 avctx->sample_rate;
1786#endif
1787
1788 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1789 ist->resample_channels != avctx->channels ||
1790 ist->resample_channel_layout != decoded_frame->channel_layout ||
1791 ist->resample_sample_rate != decoded_frame->sample_rate;
1792 if (resample_changed) {
1793 char layout1[64], layout2[64];
1794
1795 if (!guess_input_channel_layout(ist)) {
1796 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1797 "layout for Input Stream #%d.%d\n", ist->file_index,
1798 ist->st->index);
1799 exit_program(1);
1800 }
1801 decoded_frame->channel_layout = avctx->channel_layout;
1802
1803 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1804 ist->resample_channel_layout);
1805 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1806 decoded_frame->channel_layout);
1807
1808 av_log(NULL, AV_LOG_INFO,
1809 "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d chl:%s to rate:%d fmt:%s ch:%d chl:%s\n",
1810 ist->file_index, ist->st->index,
1811 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1812 ist->resample_channels, layout1,
1813 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1814 avctx->channels, layout2);
1815
1816 ist->resample_sample_fmt = decoded_frame->format;
1817 ist->resample_sample_rate = decoded_frame->sample_rate;
1818 ist->resample_channel_layout = decoded_frame->channel_layout;
1819 ist->resample_channels = avctx->channels;
1820
1821 for (i = 0; i < nb_filtergraphs; i++)
1822 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1823 FilterGraph *fg = filtergraphs[i];
1824 if (configure_filtergraph(fg) < 0) {
1825 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1826 exit_program(1);
1827 }
1828 }
1829 }
1830
1831 /* if the decoder provides a pts, use it instead of the last packet pts.
1832 the decoder could be delaying output by a packet or more. */
1833 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1834 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1835 decoded_frame_tb = avctx->time_base;
1836 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1837 decoded_frame->pts = decoded_frame->pkt_pts;
1838 decoded_frame_tb = ist->st->time_base;
1839 } else if (pkt->pts != AV_NOPTS_VALUE) {
1840 decoded_frame->pts = pkt->pts;
1841 decoded_frame_tb = ist->st->time_base;
1842 }else {
1843 decoded_frame->pts = ist->dts;
1844 decoded_frame_tb = AV_TIME_BASE_Q;
1845 }
1846 pkt->pts = AV_NOPTS_VALUE;
1847 if (decoded_frame->pts != AV_NOPTS_VALUE)
1848 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
1849 (AVRational){1, avctx->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
1850 (AVRational){1, avctx->sample_rate});
1851 for (i = 0; i < ist->nb_filters; i++) {
1852 if (i < ist->nb_filters - 1) {
1853 f = ist->filter_frame;
1854 err = av_frame_ref(f, decoded_frame);
1855 if (err < 0)
1856 break;
1857 } else
1858 f = decoded_frame;
1859 err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
1860 AV_BUFFERSRC_FLAG_PUSH);
1861 if (err == AVERROR_EOF)
1862 err = 0; /* ignore */
1863 if (err < 0)
1864 break;
1865 }
1866 decoded_frame->pts = AV_NOPTS_VALUE;
1867
1868 av_frame_unref(ist->filter_frame);
1869 av_frame_unref(decoded_frame);
1870 return err < 0 ? err : ret;
1871}
1872
1873static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1874{
1875 AVFrame *decoded_frame, *f;
1876 int i, ret = 0, err = 0, resample_changed;
1877 int64_t best_effort_timestamp;
1878 AVRational *frame_sample_aspect;
1879
1880 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1881 return AVERROR(ENOMEM);
1882 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1883 return AVERROR(ENOMEM);
1884 decoded_frame = ist->decoded_frame;
1885 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1886
1887 update_benchmark(NULL);
1888 ret = avcodec_decode_video2(ist->dec_ctx,
1889 decoded_frame, got_output, pkt);
1890 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1891
1892 // The following line may be required in some cases where there is no parser
1893 // or the parser does not has_b_frames correctly
1894 if (ist->st->codec->has_b_frames < ist->dec_ctx->has_b_frames) {
1895 if (ist->dec_ctx->codec_id == AV_CODEC_ID_H264) {
1896 ist->st->codec->has_b_frames = ist->dec_ctx->has_b_frames;
1897 } else
1898 av_log_ask_for_sample(
1899 ist->dec_ctx,
1900 "has_b_frames is larger in decoder than demuxer %d > %d ",
1901 ist->dec_ctx->has_b_frames,
1902 ist->st->codec->has_b_frames
1903 );
1904 }
1905
1906 if (*got_output || ret<0 || pkt->size)
1907 decode_error_stat[ret<0] ++;
1908
1909 if (!*got_output || ret < 0) {
1910 if (!pkt->size) {
1911 for (i = 0; i < ist->nb_filters; i++)
1912#if 1
1913 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1914#else
1915 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1916#endif
1917 }
1918 return ret;
1919 }
1920
1921 if(ist->top_field_first>=0)
1922 decoded_frame->top_field_first = ist->top_field_first;
1923
1924 ist->frames_decoded++;
1925
1926 if (ist->hwaccel_retrieve_data && decoded_frame->format == ist->hwaccel_pix_fmt) {
1927 err = ist->hwaccel_retrieve_data(ist->dec_ctx, decoded_frame);
1928 if (err < 0)
1929 goto fail;
1930 }
1931 ist->hwaccel_retrieved_pix_fmt = decoded_frame->format;
1932
1933 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
1934 if(best_effort_timestamp != AV_NOPTS_VALUE)
1935 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
1936
1937 if (debug_ts) {
1938 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
1939 "frame_pts:%s frame_pts_time:%s best_effort_ts:%"PRId64" best_effort_ts_time:%s keyframe:%d frame_type:%d time_base:%d/%d\n",
1940 ist->st->index, av_ts2str(decoded_frame->pts),
1941 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
1942 best_effort_timestamp,
1943 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
1944 decoded_frame->key_frame, decoded_frame->pict_type,
1945 ist->st->time_base.num, ist->st->time_base.den);
1946 }
1947
1948 pkt->size = 0;
1949
1950 if (ist->st->sample_aspect_ratio.num)
1951 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1952
1953 resample_changed = ist->resample_width != decoded_frame->width ||
1954 ist->resample_height != decoded_frame->height ||
1955 ist->resample_pix_fmt != decoded_frame->format;
1956 if (resample_changed) {
1957 av_log(NULL, AV_LOG_INFO,
1958 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1959 ist->file_index, ist->st->index,
1960 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1961 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1962
1963 ist->resample_width = decoded_frame->width;
1964 ist->resample_height = decoded_frame->height;
1965 ist->resample_pix_fmt = decoded_frame->format;
1966
1967 for (i = 0; i < nb_filtergraphs; i++) {
1968 if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
1969 configure_filtergraph(filtergraphs[i]) < 0) {
1970 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1971 exit_program(1);
1972 }
1973 }
1974 }
1975
1976 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
1977 for (i = 0; i < ist->nb_filters; i++) {
1978 if (!frame_sample_aspect->num)
1979 *frame_sample_aspect = ist->st->sample_aspect_ratio;
1980
1981 if (i < ist->nb_filters - 1) {
1982 f = ist->filter_frame;
1983 err = av_frame_ref(f, decoded_frame);
1984 if (err < 0)
1985 break;
1986 } else
1987 f = decoded_frame;
1988 ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
1989 if (ret == AVERROR_EOF) {
1990 ret = 0; /* ignore */
1991 } else if (ret < 0) {
1992 av_log(NULL, AV_LOG_FATAL,
1993 "Failed to inject frame into filter network: %s\n", av_err2str(ret));
1994 exit_program(1);
1995 }
1996 }
1997
1998fail:
1999 av_frame_unref(ist->filter_frame);
2000 av_frame_unref(decoded_frame);
2001 return err < 0 ? err : ret;
2002}
2003
2004static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2005{
2006 AVSubtitle subtitle;
2007 int i, ret = avcodec_decode_subtitle2(ist->dec_ctx,
2008 &subtitle, got_output, pkt);
2009
2010 if (*got_output || ret<0 || pkt->size)
2011 decode_error_stat[ret<0] ++;
2012
2013 if (ret < 0 || !*got_output) {
2014 if (!pkt->size)
2015 sub2video_flush(ist);
2016 return ret;
2017 }
2018
2019 if (ist->fix_sub_duration) {
2020 int end = 1;
2021 if (ist->prev_sub.got_output) {
2022 end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
2023 1000, AV_TIME_BASE);
2024 if (end < ist->prev_sub.subtitle.end_display_time) {
2025 av_log(ist->dec_ctx, AV_LOG_DEBUG,
2026 "Subtitle duration reduced from %d to %d%s\n",
2027 ist->prev_sub.subtitle.end_display_time, end,
2028 end <= 0 ? ", dropping it" : "");
2029 ist->prev_sub.subtitle.end_display_time = end;
2030 }
2031 }
2032 FFSWAP(int, *got_output, ist->prev_sub.got_output);
2033 FFSWAP(int, ret, ist->prev_sub.ret);
2034 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
2035 if (end <= 0)
2036 goto out;
2037 }
2038
2039 if (!*got_output)
2040 return ret;
2041
2042 sub2video_update(ist, &subtitle);
2043
2044 if (!subtitle.num_rects)
2045 goto out;
2046
2047 ist->frames_decoded++;
2048
2049 for (i = 0; i < nb_output_streams; i++) {
2050 OutputStream *ost = output_streams[i];
2051
2052 if (!check_output_constraints(ist, ost) || !ost->encoding_needed
2053 || ost->enc->type != AVMEDIA_TYPE_SUBTITLE)
2054 continue;
2055
2056 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
2057 }
2058
2059out:
2060 avsubtitle_free(&subtitle);
2061 return ret;
2062}
2063
2064/* pkt = NULL means EOF (needed to flush decoder buffers) */
2065static int process_input_packet(InputStream *ist, const AVPacket *pkt)
2066{
2067 int ret = 0, i;
2068 int got_output = 0;
2069
2070 AVPacket avpkt;
2071 if (!ist->saw_first_ts) {
2072 ist->dts = ist->st->avg_frame_rate.num ? - ist->dec_ctx->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
2073 ist->pts = 0;
2074 if (pkt && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
2075 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2076 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
2077 }
2078 ist->saw_first_ts = 1;
2079 }
2080
2081 if (ist->next_dts == AV_NOPTS_VALUE)
2082 ist->next_dts = ist->dts;
2083 if (ist->next_pts == AV_NOPTS_VALUE)
2084 ist->next_pts = ist->pts;
2085
2086 if (!pkt) {
2087 /* EOF handling */
2088 av_init_packet(&avpkt);
2089 avpkt.data = NULL;
2090 avpkt.size = 0;
2091 goto handle_eof;
2092 } else {
2093 avpkt = *pkt;
2094 }
2095
2096 if (pkt->dts != AV_NOPTS_VALUE) {
2097 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2098 if (ist->dec_ctx->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2099 ist->next_pts = ist->pts = ist->dts;
2100 }
2101
2102 // while we have more to decode or while the decoder did output something on EOF
2103 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2104 int duration;
2105 handle_eof:
2106
2107 ist->pts = ist->next_pts;
2108 ist->dts = ist->next_dts;
2109
2110 if (avpkt.size && avpkt.size != pkt->size &&
2111 !(ist->dec->capabilities & CODEC_CAP_SUBFRAMES)) {
2112 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2113 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2114 ist->showed_multi_packet_warning = 1;
2115 }
2116
2117 switch (ist->dec_ctx->codec_type) {
2118 case AVMEDIA_TYPE_AUDIO:
2119 ret = decode_audio (ist, &avpkt, &got_output);
2120 break;
2121 case AVMEDIA_TYPE_VIDEO:
2122 ret = decode_video (ist, &avpkt, &got_output);
2123 if (avpkt.duration) {
2124 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2125 } else if(ist->dec_ctx->time_base.num != 0 && ist->dec_ctx->time_base.den != 0) {
2126 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict+1 : ist->dec_ctx->ticks_per_frame;
2127 duration = ((int64_t)AV_TIME_BASE *
2128 ist->dec_ctx->time_base.num * ticks) /
2129 ist->dec_ctx->time_base.den;
2130 } else
2131 duration = 0;
2132
2133 if(ist->dts != AV_NOPTS_VALUE && duration) {
2134 ist->next_dts += duration;
2135 }else
2136 ist->next_dts = AV_NOPTS_VALUE;
2137
2138 if (got_output)
2139 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2140 break;
2141 case AVMEDIA_TYPE_SUBTITLE:
2142 ret = transcode_subtitles(ist, &avpkt, &got_output);
2143 break;
2144 default:
2145 return -1;
2146 }
2147
2148 if (ret < 0)
2149 return ret;
2150
2151 avpkt.dts=
2152 avpkt.pts= AV_NOPTS_VALUE;
2153
2154 // touch data and size only if not EOF
2155 if (pkt) {
2156 if(ist->dec_ctx->codec_type != AVMEDIA_TYPE_AUDIO)
2157 ret = avpkt.size;
2158 avpkt.data += ret;
2159 avpkt.size -= ret;
2160 }
2161 if (!got_output) {
2162 continue;
2163 }
2164 if (got_output && !pkt)
2165 break;
2166 }
2167
2168 /* handle stream copy */
2169 if (!ist->decoding_needed) {
2170 ist->dts = ist->next_dts;
2171 switch (ist->dec_ctx->codec_type) {
2172 case AVMEDIA_TYPE_AUDIO:
2173 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->dec_ctx->frame_size) /
2174 ist->dec_ctx->sample_rate;
2175 break;
2176 case AVMEDIA_TYPE_VIDEO:
2177 if (ist->framerate.num) {
2178 // TODO: Remove work-around for c99-to-c89 issue 7
2179 AVRational time_base_q = AV_TIME_BASE_Q;
2180 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
2181 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
2182 } else if (pkt->duration) {
2183 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2184 } else if(ist->dec_ctx->time_base.num != 0) {
2185 int ticks= av_stream_get_parser(ist->st) ? av_stream_get_parser(ist->st)->repeat_pict + 1 : ist->dec_ctx->ticks_per_frame;
2186 ist->next_dts += ((int64_t)AV_TIME_BASE *
2187 ist->dec_ctx->time_base.num * ticks) /
2188 ist->dec_ctx->time_base.den;
2189 }
2190 break;
2191 }
2192 ist->pts = ist->dts;
2193 ist->next_pts = ist->next_dts;
2194 }
2195 for (i = 0; pkt && i < nb_output_streams; i++) {
2196 OutputStream *ost = output_streams[i];
2197
2198 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2199 continue;
2200
2201 do_streamcopy(ist, ost, pkt);
2202 }
2203
2204 return got_output;
2205}
2206
2207static void print_sdp(void)
2208{
2209 char sdp[16384];
2210 int i;
2211 AVFormatContext **avc = av_malloc_array(nb_output_files, sizeof(*avc));
2212
2213 if (!avc)
2214 exit_program(1);
2215 for (i = 0; i < nb_output_files; i++)
2216 avc[i] = output_files[i]->ctx;
2217
2218 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
2219 printf("SDP:\n%s\n", sdp);
2220 fflush(stdout);
2221 av_freep(&avc);
2222}
2223
2224static const HWAccel *get_hwaccel(enum AVPixelFormat pix_fmt)
2225{
2226 int i;
2227 for (i = 0; hwaccels[i].name; i++)
2228 if (hwaccels[i].pix_fmt == pix_fmt)
2229 return &hwaccels[i];
2230 return NULL;
2231}
2232
2233static enum AVPixelFormat get_format(AVCodecContext *s, const enum AVPixelFormat *pix_fmts)
2234{
2235 InputStream *ist = s->opaque;
2236 const enum AVPixelFormat *p;
2237 int ret;
2238
2239 for (p = pix_fmts; *p != -1; p++) {
2240 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(*p);
2241 const HWAccel *hwaccel;
2242
2243 if (!(desc->flags & AV_PIX_FMT_FLAG_HWACCEL))
2244 break;
2245
2246 hwaccel = get_hwaccel(*p);
2247 if (!hwaccel ||
2248 (ist->active_hwaccel_id && ist->active_hwaccel_id != hwaccel->id) ||
2249 (ist->hwaccel_id != HWACCEL_AUTO && ist->hwaccel_id != hwaccel->id))
2250 continue;
2251
2252 ret = hwaccel->init(s);
2253 if (ret < 0) {
2254 if (ist->hwaccel_id == hwaccel->id) {
2255 av_log(NULL, AV_LOG_FATAL,
2256 "%s hwaccel requested for input stream #%d:%d, "
2257 "but cannot be initialized.\n", hwaccel->name,
2258 ist->file_index, ist->st->index);
2259 exit_program(1);
2260 }
2261 continue;
2262 }
2263 ist->active_hwaccel_id = hwaccel->id;
2264 ist->hwaccel_pix_fmt = *p;
2265 break;
2266 }
2267
2268 return *p;
2269}
2270
2271static int get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
2272{
2273 InputStream *ist = s->opaque;
2274
2275 if (ist->hwaccel_get_buffer && frame->format == ist->hwaccel_pix_fmt)
2276 return ist->hwaccel_get_buffer(s, frame, flags);
2277
2278 return avcodec_default_get_buffer2(s, frame, flags);
2279}
2280
2281static int init_input_stream(int ist_index, char *error, int error_len)
2282{
2283 int ret;
2284 InputStream *ist = input_streams[ist_index];
2285
2286 if (ist->decoding_needed) {
2287 AVCodec *codec = ist->dec;
2288 if (!codec) {
2289 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2290 avcodec_get_name(ist->dec_ctx->codec_id), ist->file_index, ist->st->index);
2291 return AVERROR(EINVAL);
2292 }
2293
2294 ist->dec_ctx->opaque = ist;
2295 ist->dec_ctx->get_format = get_format;
2296 ist->dec_ctx->get_buffer2 = get_buffer;
2297 ist->dec_ctx->thread_safe_callbacks = 1;
2298
2299 av_opt_set_int(ist->dec_ctx, "refcounted_frames", 1, 0);
2300 if (ist->dec_ctx->codec_id == AV_CODEC_ID_DVB_SUBTITLE &&
2301 (ist->decoding_needed & DECODING_FOR_OST)) {
2302 av_dict_set(&ist->decoder_opts, "compute_edt", "1", AV_DICT_DONT_OVERWRITE);
2303 if (ist->decoding_needed & DECODING_FOR_FILTER)
2304 av_log(NULL, AV_LOG_WARNING, "Warning using DVB subtitles for filtering and output at the same time is not fully supported, also see -compute_edt [0|1]\n");
2305 }
2306
2307 if (!av_dict_get(ist->decoder_opts, "threads", NULL, 0))
2308 av_dict_set(&ist->decoder_opts, "threads", "auto", 0);
2309 if ((ret = avcodec_open2(ist->dec_ctx, codec, &ist->decoder_opts)) < 0) {
2310 if (ret == AVERROR_EXPERIMENTAL)
2311 abort_codec_experimental(codec, 0);
2312
2313 snprintf(error, error_len,
2314 "Error while opening decoder for input stream "
2315 "#%d:%d : %s",
2316 ist->file_index, ist->st->index, av_err2str(ret));
2317 return ret;
2318 }
2319 assert_avoptions(ist->decoder_opts);
2320 }
2321
2322 ist->next_pts = AV_NOPTS_VALUE;
2323 ist->next_dts = AV_NOPTS_VALUE;
2324
2325 return 0;
2326}
2327
2328static InputStream *get_input_stream(OutputStream *ost)
2329{
2330 if (ost->source_index >= 0)
2331 return input_streams[ost->source_index];
2332 return NULL;
2333}
2334
2335static int compare_int64(const void *a, const void *b)
2336{
2337 int64_t va = *(int64_t *)a, vb = *(int64_t *)b;
2338 return va < vb ? -1 : va > vb ? +1 : 0;
2339}
2340
2341static void parse_forced_key_frames(char *kf, OutputStream *ost,
2342 AVCodecContext *avctx)
2343{
2344 char *p;
2345 int n = 1, i, size, index = 0;
2346 int64_t t, *pts;
2347
2348 for (p = kf; *p; p++)
2349 if (*p == ',')
2350 n++;
2351 size = n;
2352 pts = av_malloc_array(size, sizeof(*pts));
2353 if (!pts) {
2354 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2355 exit_program(1);
2356 }
2357
2358 p = kf;
2359 for (i = 0; i < n; i++) {
2360 char *next = strchr(p, ',');
2361
2362 if (next)
2363 *next++ = 0;
2364
2365 if (!memcmp(p, "chapters", 8)) {
2366
2367 AVFormatContext *avf = output_files[ost->file_index]->ctx;
2368 int j;
2369
2370 if (avf->nb_chapters > INT_MAX - size ||
2371 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
2372 sizeof(*pts)))) {
2373 av_log(NULL, AV_LOG_FATAL,
2374 "Could not allocate forced key frames array.\n");
2375 exit_program(1);
2376 }
2377 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
2378 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2379
2380 for (j = 0; j < avf->nb_chapters; j++) {
2381 AVChapter *c = avf->chapters[j];
2382 av_assert1(index < size);
2383 pts[index++] = av_rescale_q(c->start, c->time_base,
2384 avctx->time_base) + t;
2385 }
2386
2387 } else {
2388
2389 t = parse_time_or_die("force_key_frames", p, 1);
2390 av_assert1(index < size);
2391 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2392
2393 }
2394
2395 p = next;
2396 }
2397
2398 av_assert0(index == size);
2399 qsort(pts, size, sizeof(*pts), compare_int64);
2400 ost->forced_kf_count = size;
2401 ost->forced_kf_pts = pts;
2402}
2403
2404static void report_new_stream(int input_index, AVPacket *pkt)
2405{
2406 InputFile *file = input_files[input_index];
2407 AVStream *st = file->ctx->streams[pkt->stream_index];
2408
2409 if (pkt->stream_index < file->nb_streams_warn)
2410 return;
2411 av_log(file->ctx, AV_LOG_WARNING,
2412 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
2413 av_get_media_type_string(st->codec->codec_type),
2414 input_index, pkt->stream_index,
2415 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
2416 file->nb_streams_warn = pkt->stream_index + 1;
2417}
2418
2419static void set_encoder_id(OutputFile *of, OutputStream *ost)
2420{
2421 AVDictionaryEntry *e;
2422
2423 uint8_t *encoder_string;
2424 int encoder_string_len;
2425 int format_flags = 0;
2426 int codec_flags = 0;
2427
2428 if (av_dict_get(ost->st->metadata, "encoder", NULL, 0))
2429 return;
2430
2431 e = av_dict_get(of->opts, "fflags", NULL, 0);
2432 if (e) {
2433 const AVOption *o = av_opt_find(of->ctx, "fflags", NULL, 0, 0);
2434 if (!o)
2435 return;
2436 av_opt_eval_flags(of->ctx, o, e->value, &format_flags);
2437 }
2438 e = av_dict_get(ost->encoder_opts, "flags", NULL, 0);
2439 if (e) {
2440 const AVOption *o = av_opt_find(ost->enc_ctx, "flags", NULL, 0, 0);
2441 if (!o)
2442 return;
2443 av_opt_eval_flags(ost->enc_ctx, o, e->value, &codec_flags);
2444 }
2445
2446 encoder_string_len = sizeof(LIBAVCODEC_IDENT) + strlen(ost->enc->name) + 2;
2447 encoder_string = av_mallocz(encoder_string_len);
2448 if (!encoder_string)
2449 exit_program(1);
2450
2451 if (!(format_flags & AVFMT_FLAG_BITEXACT) && !(codec_flags & CODEC_FLAG_BITEXACT))
2452 av_strlcpy(encoder_string, LIBAVCODEC_IDENT " ", encoder_string_len);
2453 else
2454 av_strlcpy(encoder_string, "Lavc ", encoder_string_len);
2455 av_strlcat(encoder_string, ost->enc->name, encoder_string_len);
2456 av_dict_set(&ost->st->metadata, "encoder", encoder_string,
2457 AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_OVERWRITE);
2458}
2459
2460static int transcode_init(void)
2461{
2462 int ret = 0, i, j, k;
2463 AVFormatContext *oc;
2464 OutputStream *ost;
2465 InputStream *ist;
2466 char error[1024];
2467 int want_sdp = 1;
2468
2469 for (i = 0; i < nb_filtergraphs; i++) {
2470 FilterGraph *fg = filtergraphs[i];
2471 for (j = 0; j < fg->nb_outputs; j++) {
2472 OutputFilter *ofilter = fg->outputs[j];
2473 if (!ofilter->ost || ofilter->ost->source_index >= 0)
2474 continue;
2475 if (fg->nb_inputs != 1)
2476 continue;
2477 for (k = nb_input_streams-1; k >= 0 ; k--)
2478 if (fg->inputs[0]->ist == input_streams[k])
2479 break;
2480 ofilter->ost->source_index = k;
2481 }
2482 }
2483
2484 /* init framerate emulation */
2485 for (i = 0; i < nb_input_files; i++) {
2486 InputFile *ifile = input_files[i];
2487 if (ifile->rate_emu)
2488 for (j = 0; j < ifile->nb_streams; j++)
2489 input_streams[j + ifile->ist_index]->start = av_gettime_relative();
2490 }
2491
2492 /* output stream init */
2493 for (i = 0; i < nb_output_files; i++) {
2494 oc = output_files[i]->ctx;
2495 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2496 av_dump_format(oc, i, oc->filename, 1);
2497 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2498 return AVERROR(EINVAL);
2499 }
2500 }
2501
2502 /* init complex filtergraphs */
2503 for (i = 0; i < nb_filtergraphs; i++)
2504 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2505 return ret;
2506
2507 /* for each output stream, we compute the right encoding parameters */
2508 for (i = 0; i < nb_output_streams; i++) {
2509 AVCodecContext *enc_ctx;
2510 AVCodecContext *dec_ctx = NULL;
2511 ost = output_streams[i];
2512 oc = output_files[ost->file_index]->ctx;
2513 ist = get_input_stream(ost);
2514
2515 if (ost->attachment_filename)
2516 continue;
2517
2518 enc_ctx = ost->enc_ctx;
2519
2520 if (ist) {
2521 dec_ctx = ist->dec_ctx;
2522
2523 ost->st->disposition = ist->st->disposition;
2524 enc_ctx->bits_per_raw_sample = dec_ctx->bits_per_raw_sample;
2525 enc_ctx->chroma_sample_location = dec_ctx->chroma_sample_location;
2526 } else {
2527 for (j=0; j<oc->nb_streams; j++) {
2528 AVStream *st = oc->streams[j];
2529 if (st != ost->st && st->codec->codec_type == enc_ctx->codec_type)
2530 break;
2531 }
2532 if (j == oc->nb_streams)
2533 if (enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO || enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO)
2534 ost->st->disposition = AV_DISPOSITION_DEFAULT;
2535 }
2536
2537 if (ost->stream_copy) {
2538 AVRational sar;
2539 uint64_t extra_size;
2540
2541 av_assert0(ist && !ost->filter);
2542
2543 extra_size = (uint64_t)dec_ctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2544
2545 if (extra_size > INT_MAX) {
2546 return AVERROR(EINVAL);
2547 }
2548
2549 /* if stream_copy is selected, no need to decode or encode */
2550 enc_ctx->codec_id = dec_ctx->codec_id;
2551 enc_ctx->codec_type = dec_ctx->codec_type;
2552
2553 if (!enc_ctx->codec_tag) {
2554 unsigned int codec_tag;
2555 if (!oc->oformat->codec_tag ||
2556 av_codec_get_id (oc->oformat->codec_tag, dec_ctx->codec_tag) == enc_ctx->codec_id ||
2557 !av_codec_get_tag2(oc->oformat->codec_tag, dec_ctx->codec_id, &codec_tag))
2558 enc_ctx->codec_tag = dec_ctx->codec_tag;
2559 }
2560
2561 enc_ctx->bit_rate = dec_ctx->bit_rate;
2562 enc_ctx->rc_max_rate = dec_ctx->rc_max_rate;
2563 enc_ctx->rc_buffer_size = dec_ctx->rc_buffer_size;
2564 enc_ctx->field_order = dec_ctx->field_order;
2565 enc_ctx->extradata = av_mallocz(extra_size);
2566 if (!enc_ctx->extradata) {
2567 return AVERROR(ENOMEM);
2568 }
2569 memcpy(enc_ctx->extradata, dec_ctx->extradata, dec_ctx->extradata_size);
2570 enc_ctx->extradata_size= dec_ctx->extradata_size;
2571 enc_ctx->bits_per_coded_sample = dec_ctx->bits_per_coded_sample;
2572
2573 enc_ctx->time_base = ist->st->time_base;
2574 /*
2575 * Avi is a special case here because it supports variable fps but
2576 * having the fps and timebase differe significantly adds quite some
2577 * overhead
2578 */
2579 if(!strcmp(oc->oformat->name, "avi")) {
2580 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2581 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2582 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(dec_ctx->time_base)
2583 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(dec_ctx->time_base) < 1.0/500
2584 || copy_tb==2){
2585 enc_ctx->time_base.num = ist->st->r_frame_rate.den;
2586 enc_ctx->time_base.den = 2*ist->st->r_frame_rate.num;
2587 enc_ctx->ticks_per_frame = 2;
2588 } else if ( copy_tb<0 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2589 && av_q2d(ist->st->time_base) < 1.0/500
2590 || copy_tb==0){
2591 enc_ctx->time_base = dec_ctx->time_base;
2592 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2593 enc_ctx->time_base.den *= 2;
2594 enc_ctx->ticks_per_frame = 2;
2595 }
2596 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2597 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2598 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2599 && strcmp(oc->oformat->name, "f4v")
2600 ) {
2601 if( copy_tb<0 && dec_ctx->time_base.den
2602 && av_q2d(dec_ctx->time_base)*dec_ctx->ticks_per_frame > av_q2d(ist->st->time_base)
2603 && av_q2d(ist->st->time_base) < 1.0/500
2604 || copy_tb==0){
2605 enc_ctx->time_base = dec_ctx->time_base;
2606 enc_ctx->time_base.num *= dec_ctx->ticks_per_frame;
2607 }
2608 }
2609 if ( enc_ctx->codec_tag == AV_RL32("tmcd")
2610 && dec_ctx->time_base.num < dec_ctx->time_base.den
2611 && dec_ctx->time_base.num > 0
2612 && 121LL*dec_ctx->time_base.num > dec_ctx->time_base.den) {
2613 enc_ctx->time_base = dec_ctx->time_base;
2614 }
2615
2616 if (ist && !ost->frame_rate.num)
2617 ost->frame_rate = ist->framerate;
2618 if(ost->frame_rate.num)
2619 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2620
2621 av_reduce(&enc_ctx->time_base.num, &enc_ctx->time_base.den,
2622 enc_ctx->time_base.num, enc_ctx->time_base.den, INT_MAX);
2623
2624 ost->parser = av_parser_init(enc_ctx->codec_id);
2625
2626 switch (enc_ctx->codec_type) {
2627 case AVMEDIA_TYPE_AUDIO:
2628 if (audio_volume != 256) {
2629 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2630 exit_program(1);
2631 }
2632 enc_ctx->channel_layout = dec_ctx->channel_layout;
2633 enc_ctx->sample_rate = dec_ctx->sample_rate;
2634 enc_ctx->channels = dec_ctx->channels;
2635 enc_ctx->frame_size = dec_ctx->frame_size;
2636 enc_ctx->audio_service_type = dec_ctx->audio_service_type;
2637 enc_ctx->block_align = dec_ctx->block_align;
2638 enc_ctx->delay = dec_ctx->delay;
2639 if((enc_ctx->block_align == 1 || enc_ctx->block_align == 1152 || enc_ctx->block_align == 576) && enc_ctx->codec_id == AV_CODEC_ID_MP3)
2640 enc_ctx->block_align= 0;
2641 if(enc_ctx->codec_id == AV_CODEC_ID_AC3)
2642 enc_ctx->block_align= 0;
2643 break;
2644 case AVMEDIA_TYPE_VIDEO:
2645 enc_ctx->pix_fmt = dec_ctx->pix_fmt;
2646 enc_ctx->width = dec_ctx->width;
2647 enc_ctx->height = dec_ctx->height;
2648 enc_ctx->has_b_frames = dec_ctx->has_b_frames;
2649 if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
2650 sar =
2651 av_mul_q(ost->frame_aspect_ratio,
2652 (AVRational){ enc_ctx->height, enc_ctx->width });
2653 av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
2654 "with stream copy may produce invalid files\n");
2655 }
2656 else if (ist->st->sample_aspect_ratio.num)
2657 sar = ist->st->sample_aspect_ratio;
2658 else
2659 sar = dec_ctx->sample_aspect_ratio;
2660 ost->st->sample_aspect_ratio = enc_ctx->sample_aspect_ratio = sar;
2661 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2662 break;
2663 case AVMEDIA_TYPE_SUBTITLE:
2664 enc_ctx->width = dec_ctx->width;
2665 enc_ctx->height = dec_ctx->height;
2666 break;
2667 case AVMEDIA_TYPE_DATA:
2668 case AVMEDIA_TYPE_ATTACHMENT:
2669 break;
2670 default:
2671 abort();
2672 }
2673 } else {
2674 if (!ost->enc)
2675 ost->enc = avcodec_find_encoder(enc_ctx->codec_id);
2676 if (!ost->enc) {
2677 /* should only happen when a default codec is not present. */
2678 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2679 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2680 ret = AVERROR(EINVAL);
2681 goto dump_format;
2682 }
2683
2684 if (ist)
2685 ist->decoding_needed |= DECODING_FOR_OST;
2686 ost->encoding_needed = 1;
2687
2688 set_encoder_id(output_files[ost->file_index], ost);
2689
2690 if (!ost->filter &&
2691 (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO ||
2692 enc_ctx->codec_type == AVMEDIA_TYPE_AUDIO)) {
2693 FilterGraph *fg;
2694 fg = init_simple_filtergraph(ist, ost);
2695 if (configure_filtergraph(fg)) {
2696 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2697 exit_program(1);
2698 }
2699 }
2700
2701 if (enc_ctx->codec_type == AVMEDIA_TYPE_VIDEO) {
2702 if (ost->filter && !ost->frame_rate.num)
2703 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2704 if (ist && !ost->frame_rate.num)
2705 ost->frame_rate = ist->framerate;
2706 if (ist && !ost->frame_rate.num)
2707 ost->frame_rate = ist->st->r_frame_rate;
2708 if (ist && !ost->frame_rate.num) {
2709 ost->frame_rate = (AVRational){25, 1};
2710 av_log(NULL, AV_LOG_WARNING,
2711 "No information "
2712 "about the input framerate is available. Falling "
2713 "back to a default value of 25fps for output stream #%d:%d. Use the -r option "
2714 "if you want a different framerate.\n",
2715 ost->file_index, ost->index);
2716 }
2717// ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2718 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2719 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2720 ost->frame_rate = ost->enc->supported_framerates[idx];
2721 }
2722 if (enc_ctx->codec_id == AV_CODEC_ID_MPEG4) {
2723 av_reduce(&ost->frame_rate.num, &ost->frame_rate.den,
2724 ost->frame_rate.num, ost->frame_rate.den, 65535);
2725 }
2726 }
2727
2728 switch (enc_ctx->codec_type) {
2729 case AVMEDIA_TYPE_AUDIO:
2730 enc_ctx->sample_fmt = ost->filter->filter->inputs[0]->format;
2731 enc_ctx->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2732 enc_ctx->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2733 enc_ctx->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
2734 enc_ctx->time_base = (AVRational){ 1, enc_ctx->sample_rate };
2735 break;
2736 case AVMEDIA_TYPE_VIDEO:
2737 enc_ctx->time_base = av_inv_q(ost->frame_rate);
2738 if (ost->filter && !(enc_ctx->time_base.num && enc_ctx->time_base.den))
2739 enc_ctx->time_base = ost->filter->filter->inputs[0]->time_base;
2740 if ( av_q2d(enc_ctx->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2741 && (video_sync_method == VSYNC_CFR || video_sync_method == VSYNC_VSCFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2742 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2743 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2744 }
2745 for (j = 0; j < ost->forced_kf_count; j++)
2746 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2747 AV_TIME_BASE_Q,
2748 enc_ctx->time_base);
2749
2750 enc_ctx->width = ost->filter->filter->inputs[0]->w;
2751 enc_ctx->height = ost->filter->filter->inputs[0]->h;
2752 enc_ctx->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2753 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
2754 av_mul_q(ost->frame_aspect_ratio, (AVRational){ enc_ctx->height, enc_ctx->width }) :
2755 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2756 if (!strncmp(ost->enc->name, "libx264", 7) &&
2757 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2758 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2759 av_log(NULL, AV_LOG_WARNING,
2760 "No pixel format specified, %s for H.264 encoding chosen.\n"
2761 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2762 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2763 if (!strncmp(ost->enc->name, "mpeg2video", 10) &&
2764 enc_ctx->pix_fmt == AV_PIX_FMT_NONE &&
2765 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2766 av_log(NULL, AV_LOG_WARNING,
2767 "No pixel format specified, %s for MPEG-2 encoding chosen.\n"
2768 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2769 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2770 enc_ctx->pix_fmt = ost->filter->filter->inputs[0]->format;
2771
2772 ost->st->avg_frame_rate = ost->frame_rate;
2773
2774 if (!dec_ctx ||
2775 enc_ctx->width != dec_ctx->width ||
2776 enc_ctx->height != dec_ctx->height ||
2777 enc_ctx->pix_fmt != dec_ctx->pix_fmt) {
2778 enc_ctx->bits_per_raw_sample = frame_bits_per_raw_sample;
2779 }
2780
2781 if (ost->forced_keyframes) {
2782 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
2783 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
2784 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
2785 if (ret < 0) {
2786 av_log(NULL, AV_LOG_ERROR,
2787 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
2788 return ret;
2789 }
2790 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
2791 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
2792 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
2793 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
2794 } else {
2795 parse_forced_key_frames(ost->forced_keyframes, ost, ost->enc_ctx);
2796 }
2797 }
2798 break;
2799 case AVMEDIA_TYPE_SUBTITLE:
2800 enc_ctx->time_base = (AVRational){1, 1000};
2801 if (!enc_ctx->width) {
2802 enc_ctx->width = input_streams[ost->source_index]->st->codec->width;
2803 enc_ctx->height = input_streams[ost->source_index]->st->codec->height;
2804 }
2805 break;
2806 default:
2807 abort();
2808 break;
2809 }
2810 /* two pass mode */
2811 if (enc_ctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2812 char logfilename[1024];
2813 FILE *f;
2814
2815 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2816 ost->logfile_prefix ? ost->logfile_prefix :
2817 DEFAULT_PASS_LOGFILENAME_PREFIX,
2818 i);
2819 if (!strcmp(ost->enc->name, "libx264")) {
2820 av_dict_set(&ost->encoder_opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2821 } else {
2822 if (enc_ctx->flags & CODEC_FLAG_PASS2) {
2823 char *logbuffer;
2824 size_t logbuffer_size;
2825 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2826 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2827 logfilename);
2828 exit_program(1);
2829 }
2830 enc_ctx->stats_in = logbuffer;
2831 }
2832 if (enc_ctx->flags & CODEC_FLAG_PASS1) {
2833 f = av_fopen_utf8(logfilename, "wb");
2834 if (!f) {
2835 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2836 logfilename, strerror(errno));
2837 exit_program(1);
2838 }
2839 ost->logfile = f;
2840 }
2841 }
2842 }
2843 }
2844 }
2845
2846 /* open each encoder */
2847 for (i = 0; i < nb_output_streams; i++) {
2848 ost = output_streams[i];
2849 if (ost->encoding_needed) {
2850 AVCodec *codec = ost->enc;
2851 AVCodecContext *dec = NULL;
2852
2853 if ((ist = get_input_stream(ost)))
2854 dec = ist->dec_ctx;
2855 if (dec && dec->subtitle_header) {
2856 /* ASS code assumes this buffer is null terminated so add extra byte. */
2857 ost->enc_ctx->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
2858 if (!ost->enc_ctx->subtitle_header) {
2859 ret = AVERROR(ENOMEM);
2860 goto dump_format;
2861 }
2862 memcpy(ost->enc_ctx->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2863 ost->enc_ctx->subtitle_header_size = dec->subtitle_header_size;
2864 }
2865 if (!av_dict_get(ost->encoder_opts, "threads", NULL, 0))
2866 av_dict_set(&ost->encoder_opts, "threads", "auto", 0);
2867 av_dict_set(&ost->encoder_opts, "side_data_only_packets", "1", 0);
2868
2869 if ((ret = avcodec_open2(ost->enc_ctx, codec, &ost->encoder_opts)) < 0) {
2870 if (ret == AVERROR_EXPERIMENTAL)
2871 abort_codec_experimental(codec, 1);
2872 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2873 ost->file_index, ost->index);
2874 goto dump_format;
2875 }
2876 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2877 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
2878 av_buffersink_set_frame_size(ost->filter->filter,
2879 ost->enc_ctx->frame_size);
2880 assert_avoptions(ost->encoder_opts);
2881 if (ost->enc_ctx->bit_rate && ost->enc_ctx->bit_rate < 1000)
2882 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2883 " It takes bits/s as argument, not kbits/s\n");
2884 } else {
2885 if (av_opt_set_dict(ost->enc_ctx, &ost->encoder_opts) < 0) {
2886 av_log(NULL, AV_LOG_FATAL,
2887 "Error setting up codec context options.\n");
2888 exit_program(1);
2889 }
2890 }
2891
2892 ret = avcodec_copy_context(ost->st->codec, ost->enc_ctx);
2893 if (ret < 0) {
2894 av_log(NULL, AV_LOG_FATAL,
2895 "Error initializing the output stream codec context.\n");
2896 exit_program(1);
2897 }
2898 ost->st->codec->codec= ost->enc_ctx->codec;
2899
2900 // copy timebase while removing common factors
2901 ost->st->time_base = av_add_q(ost->enc_ctx->time_base, (AVRational){0, 1});
2902 }
2903
2904 /* init input streams */
2905 for (i = 0; i < nb_input_streams; i++)
2906 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
2907 for (i = 0; i < nb_output_streams; i++) {
2908 ost = output_streams[i];
2909 avcodec_close(ost->enc_ctx);
2910 }
2911 goto dump_format;
2912 }
2913
2914 /* discard unused programs */
2915 for (i = 0; i < nb_input_files; i++) {
2916 InputFile *ifile = input_files[i];
2917 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2918 AVProgram *p = ifile->ctx->programs[j];
2919 int discard = AVDISCARD_ALL;
2920
2921 for (k = 0; k < p->nb_stream_indexes; k++)
2922 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2923 discard = AVDISCARD_DEFAULT;
2924 break;
2925 }
2926 p->discard = discard;
2927 }
2928 }
2929
2930 /* open files and write file headers */
2931 for (i = 0; i < nb_output_files; i++) {
2932 oc = output_files[i]->ctx;
2933 oc->interrupt_callback = int_cb;
2934 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
2935 snprintf(error, sizeof(error),
2936 "Could not write header for output file #%d "
2937 "(incorrect codec parameters ?): %s",
2938 i, av_err2str(ret));
2939 ret = AVERROR(EINVAL);
2940 goto dump_format;
2941 }
2942// assert_avoptions(output_files[i]->opts);
2943 if (strcmp(oc->oformat->name, "rtp")) {
2944 want_sdp = 0;
2945 }
2946 }
2947
2948 dump_format:
2949 /* dump the file output parameters - cannot be done before in case
2950 of stream copy */
2951 for (i = 0; i < nb_output_files; i++) {
2952 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
2953 }
2954
2955 /* dump the stream mapping */
2956 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2957 for (i = 0; i < nb_input_streams; i++) {
2958 ist = input_streams[i];
2959
2960 for (j = 0; j < ist->nb_filters; j++) {
2961 if (ist->filters[j]->graph->graph_desc) {
2962 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2963 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
2964 ist->filters[j]->name);
2965 if (nb_filtergraphs > 1)
2966 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2967 av_log(NULL, AV_LOG_INFO, "\n");
2968 }
2969 }
2970 }
2971
2972 for (i = 0; i < nb_output_streams; i++) {
2973 ost = output_streams[i];
2974
2975 if (ost->attachment_filename) {
2976 /* an attached file */
2977 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2978 ost->attachment_filename, ost->file_index, ost->index);
2979 continue;
2980 }
2981
2982 if (ost->filter && ost->filter->graph->graph_desc) {
2983 /* output from a complex graph */
2984 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
2985 if (nb_filtergraphs > 1)
2986 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2987
2988 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2989 ost->index, ost->enc ? ost->enc->name : "?");
2990 continue;
2991 }
2992
2993 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2994 input_streams[ost->source_index]->file_index,
2995 input_streams[ost->source_index]->st->index,
2996 ost->file_index,
2997 ost->index);
2998 if (ost->sync_ist != input_streams[ost->source_index])
2999 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
3000 ost->sync_ist->file_index,
3001 ost->sync_ist->st->index);
3002 if (ost->stream_copy)
3003 av_log(NULL, AV_LOG_INFO, " (copy)");
3004 else {
3005 const AVCodec *in_codec = input_streams[ost->source_index]->dec;
3006 const AVCodec *out_codec = ost->enc;
3007 const char *decoder_name = "?";
3008 const char *in_codec_name = "?";
3009 const char *encoder_name = "?";
3010 const char *out_codec_name = "?";
3011
3012 if (in_codec) {
3013 decoder_name = in_codec->name;
3014 in_codec_name = avcodec_descriptor_get(in_codec->id)->name;
3015 if (!strcmp(decoder_name, in_codec_name))
3016 decoder_name = "native";
3017 }
3018
3019 if (out_codec) {
3020 encoder_name = out_codec->name;
3021 out_codec_name = avcodec_descriptor_get(out_codec->id)->name;
3022 if (!strcmp(encoder_name, out_codec_name))
3023 encoder_name = "native";
3024 }
3025
3026 av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
3027 in_codec_name, decoder_name,
3028 out_codec_name, encoder_name);
3029 }
3030 av_log(NULL, AV_LOG_INFO, "\n");
3031 }
3032
3033 if (ret) {
3034 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
3035 return ret;
3036 }
3037
3038 if (want_sdp) {
3039 print_sdp();
3040 }
3041
3042 transcode_init_done = 1;
3043
3044 return 0;
3045}
3046
3047/* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
3048static int need_output(void)
3049{
3050 int i;
3051
3052 for (i = 0; i < nb_output_streams; i++) {
3053 OutputStream *ost = output_streams[i];
3054 OutputFile *of = output_files[ost->file_index];
3055 AVFormatContext *os = output_files[ost->file_index]->ctx;
3056
3057 if (ost->finished ||
3058 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
3059 continue;
3060 if (ost->frame_number >= ost->max_frames) {
3061 int j;
3062 for (j = 0; j < of->ctx->nb_streams; j++)
3063 close_output_stream(output_streams[of->ost_index + j]);
3064 continue;
3065 }
3066
3067 return 1;
3068 }
3069
3070 return 0;
3071}
3072
3073/**
3074 * Select the output stream to process.
3075 *
3076 * @return selected output stream, or NULL if none available
3077 */
3078static OutputStream *choose_output(void)
3079{
3080 int i;
3081 int64_t opts_min = INT64_MAX;
3082 OutputStream *ost_min = NULL;
3083
3084 for (i = 0; i < nb_output_streams; i++) {
3085 OutputStream *ost = output_streams[i];
3086 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
3087 AV_TIME_BASE_Q);
3088 if (!ost->unavailable && !ost->finished && opts < opts_min) {
3089 opts_min = opts;
3090 ost_min = ost;
3091 }
3092 }
3093 return ost_min;
3094}
3095
3096static int check_keyboard_interaction(int64_t cur_time)
3097{
3098 int i, ret, key;
3099 static int64_t last_time;
3100 if (received_nb_signals)
3101 return AVERROR_EXIT;
3102 /* read_key() returns 0 on EOF */
3103 if(cur_time - last_time >= 100000 && !run_as_daemon){
3104 key = read_key();
3105 last_time = cur_time;
3106 }else
3107 key = -1;
3108 if (key == 'q')
3109 return AVERROR_EXIT;
3110 if (key == '+') av_log_set_level(av_log_get_level()+10);
3111 if (key == '-') av_log_set_level(av_log_get_level()-10);
3112 if (key == 's') qp_hist ^= 1;
3113 if (key == 'h'){
3114 if (do_hex_dump){
3115 do_hex_dump = do_pkt_dump = 0;
3116 } else if(do_pkt_dump){
3117 do_hex_dump = 1;
3118 } else
3119 do_pkt_dump = 1;
3120 av_log_set_level(AV_LOG_DEBUG);
3121 }
3122 if (key == 'c' || key == 'C'){
3123 char buf[4096], target[64], command[256], arg[256] = {0};
3124 double time;
3125 int k, n = 0;
3126 fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
3127 i = 0;
3128 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
3129 if (k > 0)
3130 buf[i++] = k;
3131 buf[i] = 0;
3132 if (k > 0 &&
3133 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
3134 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
3135 target, time, command, arg);
3136 for (i = 0; i < nb_filtergraphs; i++) {
3137 FilterGraph *fg = filtergraphs[i];
3138 if (fg->graph) {
3139 if (time < 0) {
3140 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
3141 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
3142 fprintf(stderr, "Command reply for stream %d: ret:%d res:\n%s", i, ret, buf);
3143 } else if (key == 'c') {
3144 fprintf(stderr, "Queing commands only on filters supporting the specific command is unsupported\n");
3145 ret = AVERROR_PATCHWELCOME;
3146 } else {
3147 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
3148 }
3149 }
3150 }
3151 } else {
3152 av_log(NULL, AV_LOG_ERROR,
3153 "Parse error, at least 3 arguments were expected, "
3154 "only %d given in string '%s'\n", n, buf);
3155 }
3156 }
3157 if (key == 'd' || key == 'D'){
3158 int debug=0;
3159 if(key == 'D') {
3160 debug = input_streams[0]->st->codec->debug<<1;
3161 if(!debug) debug = 1;
3162 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
3163 debug += debug;
3164 }else
3165 if(scanf("%d", &debug)!=1)
3166 fprintf(stderr,"error parsing debug value\n");
3167 for(i=0;i<nb_input_streams;i++) {
3168 input_streams[i]->st->codec->debug = debug;
3169 }
3170 for(i=0;i<nb_output_streams;i++) {
3171 OutputStream *ost = output_streams[i];
3172 ost->enc_ctx->debug = debug;
3173 }
3174 if(debug) av_log_set_level(AV_LOG_DEBUG);
3175 fprintf(stderr,"debug=%d\n", debug);
3176 }
3177 if (key == '?'){
3178 fprintf(stderr, "key function\n"
3179 "? show this help\n"
3180 "+ increase verbosity\n"
3181 "- decrease verbosity\n"
3182 "c Send command to first matching filter supporting it\n"
3183 "C Send/Que command to all matching filters\n"
3184 "D cycle through available debug modes\n"
3185 "h dump packets/hex press to cycle through the 3 states\n"
3186 "q quit\n"
3187 "s Show QP histogram\n"
3188 );
3189 }
3190 return 0;
3191}
3192
3193#if HAVE_PTHREADS
3194static void *input_thread(void *arg)
3195{
3196 InputFile *f = arg;
3197 int ret = 0;
3198
3199 while (1) {
3200 AVPacket pkt;
3201 ret = av_read_frame(f->ctx, &pkt);
3202
3203 if (ret == AVERROR(EAGAIN)) {
3204 av_usleep(10000);
3205 continue;
3206 }
3207 if (ret < 0) {
3208 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3209 break;
3210 }
3211 av_dup_packet(&pkt);
3212 ret = av_thread_message_queue_send(f->in_thread_queue, &pkt, 0);
3213 if (ret < 0) {
3214 if (ret != AVERROR_EOF)
3215 av_log(f->ctx, AV_LOG_ERROR,
3216 "Unable to send packet to main thread: %s\n",
3217 av_err2str(ret));
3218 av_free_packet(&pkt);
3219 av_thread_message_queue_set_err_recv(f->in_thread_queue, ret);
3220 break;
3221 }
3222 }
3223
3224 return NULL;
3225}
3226
3227static void free_input_threads(void)
3228{
3229 int i;
3230
3231 for (i = 0; i < nb_input_files; i++) {
3232 InputFile *f = input_files[i];
3233 AVPacket pkt;
3234
3235 if (!f->in_thread_queue)
3236 continue;
3237 av_thread_message_queue_set_err_send(f->in_thread_queue, AVERROR_EOF);
3238 while (av_thread_message_queue_recv(f->in_thread_queue, &pkt, 0) >= 0)
3239 av_free_packet(&pkt);
3240
3241 pthread_join(f->thread, NULL);
3242 f->joined = 1;
3243 av_thread_message_queue_free(&f->in_thread_queue);
3244 }
3245}
3246
3247static int init_input_threads(void)
3248{
3249 int i, ret;
3250
3251 if (nb_input_files == 1)
3252 return 0;
3253
3254 for (i = 0; i < nb_input_files; i++) {
3255 InputFile *f = input_files[i];
3256
3257 if (f->ctx->pb ? !f->ctx->pb->seekable :
3258 strcmp(f->ctx->iformat->name, "lavfi"))
3259 f->non_blocking = 1;
3260 ret = av_thread_message_queue_alloc(&f->in_thread_queue,
3261 8, sizeof(AVPacket));
3262 if (ret < 0)
3263 return ret;
3264
3265 if ((ret = pthread_create(&f->thread, NULL, input_thread, f))) {
3266 av_log(NULL, AV_LOG_ERROR, "pthread_create failed: %s. Try to increase `ulimit -v` or decrease `ulimit -s`.\n", strerror(ret));
3267 av_thread_message_queue_free(&f->in_thread_queue);
3268 return AVERROR(ret);
3269 }
3270 }
3271 return 0;
3272}
3273
3274static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
3275{
3276 return av_thread_message_queue_recv(f->in_thread_queue, pkt,
3277 f->non_blocking ?
3278 AV_THREAD_MESSAGE_NONBLOCK : 0);
3279}
3280#endif
3281
3282static int get_input_packet(InputFile *f, AVPacket *pkt)
3283{
3284 if (f->rate_emu) {
3285 int i;
3286 for (i = 0; i < f->nb_streams; i++) {
3287 InputStream *ist = input_streams[f->ist_index + i];
3288 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
3289 int64_t now = av_gettime_relative() - ist->start;
3290 if (pts > now)
3291 return AVERROR(EAGAIN);
3292 }
3293 }
3294
3295#if HAVE_PTHREADS
3296 if (nb_input_files > 1)
3297 return get_input_packet_mt(f, pkt);
3298#endif
3299 return av_read_frame(f->ctx, pkt);
3300}
3301
3302static int got_eagain(void)
3303{
3304 int i;
3305 for (i = 0; i < nb_output_streams; i++)
3306 if (output_streams[i]->unavailable)
3307 return 1;
3308 return 0;
3309}
3310
3311static void reset_eagain(void)
3312{
3313 int i;
3314 for (i = 0; i < nb_input_files; i++)
3315 input_files[i]->eagain = 0;
3316 for (i = 0; i < nb_output_streams; i++)
3317 output_streams[i]->unavailable = 0;
3318}
3319
3320/*
3321 * Return
3322 * - 0 -- one packet was read and processed
3323 * - AVERROR(EAGAIN) -- no packets were available for selected file,
3324 * this function should be called again
3325 * - AVERROR_EOF -- this function should not be called again
3326 */
3327static int process_input(int file_index)
3328{
3329 InputFile *ifile = input_files[file_index];
3330 AVFormatContext *is;
3331 InputStream *ist;
3332 AVPacket pkt;
3333 int ret, i, j;
3334
3335 is = ifile->ctx;
3336 ret = get_input_packet(ifile, &pkt);
3337
3338 if (ret == AVERROR(EAGAIN)) {
3339 ifile->eagain = 1;
3340 return ret;
3341 }
3342 if (ret < 0) {
3343 if (ret != AVERROR_EOF) {
3344 print_error(is->filename, ret);
3345 if (exit_on_error)
3346 exit_program(1);
3347 }
3348
3349 for (i = 0; i < ifile->nb_streams; i++) {
3350 ist = input_streams[ifile->ist_index + i];
3351 if (ist->decoding_needed) {
3352 ret = process_input_packet(ist, NULL);
3353 if (ret>0)
3354 return 0;
3355 }
3356
3357 /* mark all outputs that don't go through lavfi as finished */
3358 for (j = 0; j < nb_output_streams; j++) {
3359 OutputStream *ost = output_streams[j];
3360
3361 if (ost->source_index == ifile->ist_index + i &&
3362 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
3363 finish_output_stream(ost);
3364 }
3365 }
3366
3367 ifile->eof_reached = 1;
3368 return AVERROR(EAGAIN);
3369 }
3370
3371 reset_eagain();
3372
3373 if (do_pkt_dump) {
3374 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3375 is->streams[pkt.stream_index]);
3376 }
3377 /* the following test is needed in case new streams appear
3378 dynamically in stream : we ignore them */
3379 if (pkt.stream_index >= ifile->nb_streams) {
3380 report_new_stream(file_index, &pkt);
3381 goto discard_packet;
3382 }
3383
3384 ist = input_streams[ifile->ist_index + pkt.stream_index];
3385
3386 ist->data_size += pkt.size;
3387 ist->nb_packets++;
3388
3389 if (ist->discard)
3390 goto discard_packet;
3391
3392 if (debug_ts) {
3393 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3394 "next_dts:%s next_dts_time:%s next_pts:%s next_pts_time:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%s off_time:%s\n",
3395 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3396 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
3397 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
3398 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3399 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3400 av_ts2str(input_files[ist->file_index]->ts_offset),
3401 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3402 }
3403
3404 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
3405 int64_t stime, stime2;
3406 // Correcting starttime based on the enabled streams
3407 // FIXME this ideally should be done before the first use of starttime but we do not know which are the enabled streams at that point.
3408 // so we instead do it here as part of discontinuity handling
3409 if ( ist->next_dts == AV_NOPTS_VALUE
3410 && ifile->ts_offset == -is->start_time
3411 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
3412 int64_t new_start_time = INT64_MAX;
3413 for (i=0; i<is->nb_streams; i++) {
3414 AVStream *st = is->streams[i];
3415 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
3416 continue;
3417 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
3418 }
3419 if (new_start_time > is->start_time) {
3420 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
3421 ifile->ts_offset = -new_start_time;
3422 }
3423 }
3424
3425 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
3426 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
3427 ist->wrap_correction_done = 1;
3428
3429 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3430 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
3431 ist->wrap_correction_done = 0;
3432 }
3433 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
3434 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
3435 ist->wrap_correction_done = 0;
3436 }
3437 }
3438
3439 /* add the stream-global side data to the first packet */
3440 if (ist->nb_packets == 1) {
3441 if (ist->st->nb_side_data)
3442 av_packet_split_side_data(&pkt);
3443 for (i = 0; i < ist->st->nb_side_data; i++) {
3444 AVPacketSideData *src_sd = &ist->st->side_data[i];
3445 uint8_t *dst_data;
3446
3447 if (av_packet_get_side_data(&pkt, src_sd->type, NULL))
3448 continue;
3449
3450 dst_data = av_packet_new_side_data(&pkt, src_sd->type, src_sd->size);
3451 if (!dst_data)
3452 exit_program(1);
3453
3454 memcpy(dst_data, src_sd->data, src_sd->size);
3455 }
3456 }
3457
3458 if (pkt.dts != AV_NOPTS_VALUE)
3459 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3460 if (pkt.pts != AV_NOPTS_VALUE)
3461 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3462
3463 if (pkt.pts != AV_NOPTS_VALUE)
3464 pkt.pts *= ist->ts_scale;
3465 if (pkt.dts != AV_NOPTS_VALUE)
3466 pkt.dts *= ist->ts_scale;
3467
3468 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
3469 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
3470 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3471 int64_t delta = pkt_dts - ifile->last_ts;
3472 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3473 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3474 ist->dec_ctx->codec_type != AVMEDIA_TYPE_SUBTITLE)){
3475 ifile->ts_offset -= delta;
3476 av_log(NULL, AV_LOG_DEBUG,
3477 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3478 delta, ifile->ts_offset);
3479 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3480 if (pkt.pts != AV_NOPTS_VALUE)
3481 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3482 }
3483 }
3484
3485 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
3486 !copy_ts) {
3487 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3488 int64_t delta = pkt_dts - ist->next_dts;
3489 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3490 if (delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3491 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3492 ist->dec_ctx->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3493 pkt_dts + AV_TIME_BASE/10 < FFMAX(ist->pts, ist->dts)) {
3494 ifile->ts_offset -= delta;
3495 av_log(NULL, AV_LOG_DEBUG,
3496 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3497 delta, ifile->ts_offset);
3498 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3499 if (pkt.pts != AV_NOPTS_VALUE)
3500 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3501 }
3502 } else {
3503 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3504 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->dec_ctx->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3505 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3506 pkt.dts = AV_NOPTS_VALUE;
3507 }
3508 if (pkt.pts != AV_NOPTS_VALUE){
3509 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3510 delta = pkt_pts - ist->next_dts;
3511 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3512 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->dec_ctx->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3513 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3514 pkt.pts = AV_NOPTS_VALUE;
3515 }
3516 }
3517 }
3518 }
3519
3520 if (pkt.dts != AV_NOPTS_VALUE)
3521 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3522
3523 if (debug_ts) {
3524 av_log(NULL, AV_LOG_INFO, "demuxer+ffmpeg -> ist_index:%d type:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%s off_time:%s\n",
3525 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->dec_ctx->codec_type),
3526 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3527 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3528 av_ts2str(input_files[ist->file_index]->ts_offset),
3529 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3530 }
3531
3532 sub2video_heartbeat(ist, pkt.pts);
3533
3534 ret = process_input_packet(ist, &pkt);
3535 if (ret < 0) {
3536 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
3537 ist->file_index, ist->st->index, av_err2str(ret));
3538 if (exit_on_error)
3539 exit_program(1);
3540 }
3541
3542discard_packet:
3543 av_free_packet(&pkt);
3544
3545 return 0;
3546}
3547
3548/**
3549 * Perform a step of transcoding for the specified filter graph.
3550 *
3551 * @param[in] graph filter graph to consider
3552 * @param[out] best_ist input stream where a frame would allow to continue
3553 * @return 0 for success, <0 for error
3554 */
3555static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
3556{
3557 int i, ret;
3558 int nb_requests, nb_requests_max = 0;
3559 InputFilter *ifilter;
3560 InputStream *ist;
3561
3562 *best_ist = NULL;
3563 ret = avfilter_graph_request_oldest(graph->graph);
3564 if (ret >= 0)
3565 return reap_filters();
3566
3567 if (ret == AVERROR_EOF) {
3568 ret = reap_filters();
3569 for (i = 0; i < graph->nb_outputs; i++)
3570 close_output_stream(graph->outputs[i]->ost);
3571 return ret;
3572 }
3573 if (ret != AVERROR(EAGAIN))
3574 return ret;
3575
3576 for (i = 0; i < graph->nb_inputs; i++) {
3577 ifilter = graph->inputs[i];
3578 ist = ifilter->ist;
3579 if (input_files[ist->file_index]->eagain ||
3580 input_files[ist->file_index]->eof_reached)
3581 continue;
3582 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
3583 if (nb_requests > nb_requests_max) {
3584 nb_requests_max = nb_requests;
3585 *best_ist = ist;
3586 }
3587 }
3588
3589 if (!*best_ist)
3590 for (i = 0; i < graph->nb_outputs; i++)
3591 graph->outputs[i]->ost->unavailable = 1;
3592
3593 return 0;
3594}
3595
3596/**
3597 * Run a single step of transcoding.
3598 *
3599 * @return 0 for success, <0 for error
3600 */
3601static int transcode_step(void)
3602{
3603 OutputStream *ost;
3604 InputStream *ist;
3605 int ret;
3606
3607 ost = choose_output();
3608 if (!ost) {
3609 if (got_eagain()) {
3610 reset_eagain();
3611 av_usleep(10000);
3612 return 0;
3613 }
3614 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
3615 return AVERROR_EOF;
3616 }
3617
3618 if (ost->filter) {
3619 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
3620 return ret;
3621 if (!ist)
3622 return 0;
3623 } else {
3624 av_assert0(ost->source_index >= 0);
3625 ist = input_streams[ost->source_index];
3626 }
3627
3628 ret = process_input(ist->file_index);
3629 if (ret == AVERROR(EAGAIN)) {
3630 if (input_files[ist->file_index]->eagain)
3631 ost->unavailable = 1;
3632 return 0;
3633 }
3634 if (ret < 0)
3635 return ret == AVERROR_EOF ? 0 : ret;
3636
3637 return reap_filters();
3638}
3639
3640/*
3641 * The following code is the main loop of the file converter
3642 */
3643static int transcode(void)
3644{
3645 int ret, i;
3646 AVFormatContext *os;
3647 OutputStream *ost;
3648 InputStream *ist;
3649 int64_t timer_start;
3650
3651 ret = transcode_init();
3652 if (ret < 0)
3653 goto fail;
3654
3655 if (stdin_interaction) {
3656 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3657 }
3658
3659 timer_start = av_gettime_relative();
3660
3661#if HAVE_PTHREADS
3662 if ((ret = init_input_threads()) < 0)
3663 goto fail;
3664#endif
3665
3666 while (!received_sigterm) {
3667 int64_t cur_time= av_gettime_relative();
3668
3669 /* if 'q' pressed, exits */
3670 if (stdin_interaction)
3671 if (check_keyboard_interaction(cur_time) < 0)
3672 break;
3673
3674 /* check if there's any stream where output is still needed */
3675 if (!need_output()) {
3676 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3677 break;
3678 }
3679
3680 ret = transcode_step();
3681 if (ret < 0) {
3682 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
3683 continue;
3684
3685 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
3686 break;
3687 }
3688
3689 /* dump report by using the output first video and audio streams */
3690 print_report(0, timer_start, cur_time);
3691 }
3692#if HAVE_PTHREADS
3693 free_input_threads();
3694#endif
3695
3696 /* at the end of stream, we must flush the decoder buffers */
3697 for (i = 0; i < nb_input_streams; i++) {
3698 ist = input_streams[i];
3699 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3700 process_input_packet(ist, NULL);
3701 }
3702 }
3703 flush_encoders();
3704
3705 term_exit();
3706
3707 /* write the trailer if needed and close file */
3708 for (i = 0; i < nb_output_files; i++) {
3709 os = output_files[i]->ctx;
3710 av_write_trailer(os);
3711 }
3712
3713 /* dump report by using the first video and audio streams */
3714 print_report(1, timer_start, av_gettime_relative());
3715
3716 /* close each encoder */
3717 for (i = 0; i < nb_output_streams; i++) {
3718 ost = output_streams[i];
3719 if (ost->encoding_needed) {
3720 av_freep(&ost->enc_ctx->stats_in);
3721 }
3722 }
3723
3724 /* close each decoder */
3725 for (i = 0; i < nb_input_streams; i++) {
3726 ist = input_streams[i];
3727 if (ist->decoding_needed) {
3728 avcodec_close(ist->dec_ctx);
3729 if (ist->hwaccel_uninit)
3730 ist->hwaccel_uninit(ist->dec_ctx);
3731 }
3732 }
3733
3734 /* finished ! */
3735 ret = 0;
3736
3737 fail:
3738#if HAVE_PTHREADS
3739 free_input_threads();
3740#endif
3741
3742 if (output_streams) {
3743 for (i = 0; i < nb_output_streams; i++) {
3744 ost = output_streams[i];
3745 if (ost) {
3746 if (ost->logfile) {
3747 fclose(ost->logfile);
3748 ost->logfile = NULL;
3749 }
3750 av_freep(&ost->forced_kf_pts);
3751 av_freep(&ost->apad);
3752 av_dict_free(&ost->encoder_opts);
3753 av_dict_free(&ost->swr_opts);
3754 av_dict_free(&ost->resample_opts);
3755 }
3756 }
3757 }
3758 return ret;
3759}
3760
3761
3762static int64_t getutime(void)
3763{
3764#if HAVE_GETRUSAGE
3765 struct rusage rusage;
3766
3767 getrusage(RUSAGE_SELF, &rusage);
3768 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3769#elif HAVE_GETPROCESSTIMES
3770 HANDLE proc;
3771 FILETIME c, e, k, u;
3772 proc = GetCurrentProcess();
3773 GetProcessTimes(proc, &c, &e, &k, &u);
3774 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3775#else
3776 return av_gettime();
3777#endif
3778}
3779
3780static int64_t getmaxrss(void)
3781{
3782#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3783 struct rusage rusage;
3784 getrusage(RUSAGE_SELF, &rusage);
3785 return (int64_t)rusage.ru_maxrss * 1024;
3786#elif HAVE_GETPROCESSMEMORYINFO
3787 HANDLE proc;
3788 PROCESS_MEMORY_COUNTERS memcounters;
3789 proc = GetCurrentProcess();
3790 memcounters.cb = sizeof(memcounters);
3791 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3792 return memcounters.PeakPagefileUsage;
3793#else
3794 return 0;
3795#endif
3796}
3797
3798static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
3799{
3800}
3801
3802int main(int argc, char **argv)
3803{
3804 int ret;
3805 int64_t ti;
3806
3807 register_exit(ffmpeg_cleanup);
3808
3809 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
3810
3811 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3812 parse_loglevel(argc, argv, options);
3813
3814 if(argc>1 && !strcmp(argv[1], "-d")){
3815 run_as_daemon=1;
3816 av_log_set_callback(log_callback_null);
3817 argc--;
3818 argv++;
3819 }
3820
3821 avcodec_register_all();
3822#if CONFIG_AVDEVICE
3823 avdevice_register_all();
3824#endif
3825 avfilter_register_all();
3826 av_register_all();
3827 avformat_network_init();
3828
3829 show_banner(argc, argv, options);
3830
3831 term_init();
3832
3833 /* parse options and open all input/output files */
3834 ret = ffmpeg_parse_options(argc, argv);
3835 if (ret < 0)
3836 exit_program(1);
3837
3838 if (nb_output_files <= 0 && nb_input_files == 0) {
3839 show_usage();
3840 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
3841 exit_program(1);
3842 }
3843
3844 /* file converter / grab */
3845 if (nb_output_files <= 0) {
3846 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
3847 exit_program(1);
3848 }
3849
3850// if (nb_input_files == 0) {
3851// av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
3852// exit_program(1);
3853// }
3854
3855 current_time = ti = getutime();
3856 if (transcode() < 0)
3857 exit_program(1);
3858 ti = getutime() - ti;
3859 if (do_benchmark) {
3860 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3861 }
3862 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
3863 decode_error_stat[0], decode_error_stat[1]);
3864 if ((decode_error_stat[0] + decode_error_stat[1]) * max_error_rate < decode_error_stat[1])
3865 exit_program(69);
3866
3867 exit_program(received_nb_signals ? 255 : main_return_code);
3868 return main_return_code;
3869}
ffmpeg Piment Noir Debian package repository