2 * Copyright (c) 2000-2003 Fabrice Bellard
4 * This file is part of FFmpeg.
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.
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.
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
23 * multimedia converter based on the FFmpeg libraries
41 #include "libavformat/avformat.h"
42 #include "libavdevice/avdevice.h"
43 #include "libswscale/swscale.h"
44 #include "libswresample/swresample.h"
45 #include "libavutil/opt.h"
46 #include "libavutil/channel_layout.h"
47 #include "libavutil/parseutils.h"
48 #include "libavutil/samplefmt.h"
49 #include "libavutil/colorspace.h"
50 #include "libavutil/fifo.h"
51 #include "libavutil/intreadwrite.h"
52 #include "libavutil/dict.h"
53 #include "libavutil/mathematics.h"
54 #include "libavutil/pixdesc.h"
55 #include "libavutil/avstring.h"
56 #include "libavutil/libm.h"
57 #include "libavutil/imgutils.h"
58 #include "libavutil/timestamp.h"
59 #include "libavutil/bprint.h"
60 #include "libavutil/time.h"
61 #include "libavformat/os_support.h"
63 #include "libavformat/ffm.h" // not public API
65 # include "libavfilter/avcodec.h"
66 # include "libavfilter/avfilter.h"
67 # include "libavfilter/buffersrc.h"
68 # include "libavfilter/buffersink.h"
70 #if HAVE_SYS_RESOURCE_H
72 #include <sys/types.h>
73 #include <sys/resource.h>
74 #elif HAVE_GETPROCESSTIMES
77 #if HAVE_GETPROCESSMEMORYINFO
83 #include <sys/select.h>
88 #include <sys/ioctl.h>
102 #include "cmdutils.h"
104 #include "libavutil/avassert.h"
106 const char program_name[] = "ffmpeg";
107 const int program_birth_year = 2000;
109 static FILE *vstats_file;
111 const char *const forced_keyframes_const_names[] = {
120 static void do_video_stats(OutputStream *ost, int frame_size);
121 static int64_t getutime(void);
122 static int64_t getmaxrss(void);
124 static int run_as_daemon = 0;
125 static int64_t video_size = 0;
126 static int64_t audio_size = 0;
127 static int64_t subtitle_size = 0;
128 static int64_t extra_size = 0;
129 static int nb_frames_dup = 0;
130 static int nb_frames_drop = 0;
131 static int64_t decode_error_stat[2];
133 static int current_time;
134 AVIOContext *progress_avio = NULL;
136 static uint8_t *subtitle_out;
139 /* signal to input threads that they should exit; set by the main thread */
140 static int transcoding_finished;
143 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
145 InputStream **input_streams = NULL;
146 int nb_input_streams = 0;
147 InputFile **input_files = NULL;
148 int nb_input_files = 0;
150 OutputStream **output_streams = NULL;
151 int nb_output_streams = 0;
152 OutputFile **output_files = NULL;
153 int nb_output_files = 0;
155 FilterGraph **filtergraphs;
160 /* init terminal so that we can grab keys */
161 static struct termios oldtty;
162 static int restore_tty;
167 Convert subtitles to video with alpha to insert them in filter graphs.
168 This is a temporary solution until libavfilter gets real subtitles support.
171 static int sub2video_get_blank_frame(InputStream *ist)
174 AVFrame *frame = ist->sub2video.frame;
176 av_frame_unref(frame);
177 ist->sub2video.frame->width = ist->sub2video.w;
178 ist->sub2video.frame->height = ist->sub2video.h;
179 ist->sub2video.frame->format = AV_PIX_FMT_RGB32;
180 if ((ret = av_frame_get_buffer(frame, 32)) < 0)
182 memset(frame->data[0], 0, frame->height * frame->linesize[0]);
186 static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
189 uint32_t *pal, *dst2;
193 if (r->type != SUBTITLE_BITMAP) {
194 av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
197 if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
198 av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n");
202 dst += r->y * dst_linesize + r->x * 4;
203 src = r->pict.data[0];
204 pal = (uint32_t *)r->pict.data[1];
205 for (y = 0; y < r->h; y++) {
206 dst2 = (uint32_t *)dst;
208 for (x = 0; x < r->w; x++)
209 *(dst2++) = pal[*(src2++)];
211 src += r->pict.linesize[0];
215 static void sub2video_push_ref(InputStream *ist, int64_t pts)
217 AVFrame *frame = ist->sub2video.frame;
220 av_assert1(frame->data[0]);
221 ist->sub2video.last_pts = frame->pts = pts;
222 for (i = 0; i < ist->nb_filters; i++)
223 av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame,
224 AV_BUFFERSRC_FLAG_KEEP_REF |
225 AV_BUFFERSRC_FLAG_PUSH);
228 static void sub2video_update(InputStream *ist, AVSubtitle *sub)
230 int w = ist->sub2video.w, h = ist->sub2video.h;
231 AVFrame *frame = ist->sub2video.frame;
235 int64_t pts, end_pts;
240 pts = av_rescale_q(sub->pts + sub->start_display_time * 1000,
241 AV_TIME_BASE_Q, ist->st->time_base);
242 end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000,
243 AV_TIME_BASE_Q, ist->st->time_base);
244 num_rects = sub->num_rects;
246 pts = ist->sub2video.end_pts;
250 if (sub2video_get_blank_frame(ist) < 0) {
251 av_log(ist->st->codec, AV_LOG_ERROR,
252 "Impossible to get a blank canvas.\n");
255 dst = frame->data [0];
256 dst_linesize = frame->linesize[0];
257 for (i = 0; i < num_rects; i++)
258 sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]);
259 sub2video_push_ref(ist, pts);
260 ist->sub2video.end_pts = end_pts;
263 static void sub2video_heartbeat(InputStream *ist, int64_t pts)
265 InputFile *infile = input_files[ist->file_index];
269 /* When a frame is read from a file, examine all sub2video streams in
270 the same file and send the sub2video frame again. Otherwise, decoded
271 video frames could be accumulating in the filter graph while a filter
272 (possibly overlay) is desperately waiting for a subtitle frame. */
273 for (i = 0; i < infile->nb_streams; i++) {
274 InputStream *ist2 = input_streams[infile->ist_index + i];
275 if (!ist2->sub2video.frame)
277 /* subtitles seem to be usually muxed ahead of other streams;
278 if not, substracting a larger time here is necessary */
279 pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
280 /* do not send the heartbeat frame if the subtitle is already ahead */
281 if (pts2 <= ist2->sub2video.last_pts)
283 if (pts2 >= ist2->sub2video.end_pts || !ist2->sub2video.frame->data[0])
284 sub2video_update(ist2, NULL);
285 for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
286 nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
288 sub2video_push_ref(ist2, pts2);
292 static void sub2video_flush(InputStream *ist)
296 for (i = 0; i < ist->nb_filters; i++)
297 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
300 /* end of sub2video hack */
304 av_log(NULL, AV_LOG_QUIET, "%s", "");
307 tcsetattr (0, TCSANOW, &oldtty);
311 static volatile int received_sigterm = 0;
312 static volatile int received_nb_signals = 0;
315 sigterm_handler(int sig)
317 received_sigterm = sig;
318 received_nb_signals++;
320 if(received_nb_signals > 3)
331 istty = isatty(0) && isatty(2);
333 if (istty && tcgetattr (0, &tty) == 0) {
338 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
339 |INLCR|IGNCR|ICRNL|IXON);
340 tty.c_oflag |= OPOST;
341 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
342 tty.c_cflag &= ~(CSIZE|PARENB);
347 tcsetattr (0, TCSANOW, &tty);
349 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
352 avformat_network_deinit();
354 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
355 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
357 signal(SIGXCPU, sigterm_handler);
361 /* read a key without blocking */
362 static int read_key(void)
374 n = select(1, &rfds, NULL, NULL, &tv);
383 # if HAVE_PEEKNAMEDPIPE
385 static HANDLE input_handle;
388 input_handle = GetStdHandle(STD_INPUT_HANDLE);
389 is_pipe = !GetConsoleMode(input_handle, &dw);
392 if (stdin->_cnt > 0) {
397 /* When running under a GUI, you will end here. */
398 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) {
399 // input pipe may have been closed by the program that ran ffmpeg
417 static int decode_interrupt_cb(void *ctx)
419 return received_nb_signals > 1;
422 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
424 static void exit_program(void)
429 int maxrss = getmaxrss() / 1024;
430 printf("bench: maxrss=%ikB\n", maxrss);
433 for (i = 0; i < nb_filtergraphs; i++) {
434 avfilter_graph_free(&filtergraphs[i]->graph);
435 for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
436 av_freep(&filtergraphs[i]->inputs[j]->name);
437 av_freep(&filtergraphs[i]->inputs[j]);
439 av_freep(&filtergraphs[i]->inputs);
440 for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
441 av_freep(&filtergraphs[i]->outputs[j]->name);
442 av_freep(&filtergraphs[i]->outputs[j]);
444 av_freep(&filtergraphs[i]->outputs);
445 av_freep(&filtergraphs[i]->graph_desc);
446 av_freep(&filtergraphs[i]);
448 av_freep(&filtergraphs);
450 av_freep(&subtitle_out);
453 for (i = 0; i < nb_output_files; i++) {
454 AVFormatContext *s = output_files[i]->ctx;
455 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
457 avformat_free_context(s);
458 av_dict_free(&output_files[i]->opts);
459 av_freep(&output_files[i]);
461 for (i = 0; i < nb_output_streams; i++) {
462 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
464 AVBitStreamFilterContext *next = bsfc->next;
465 av_bitstream_filter_close(bsfc);
468 output_streams[i]->bitstream_filters = NULL;
469 avcodec_free_frame(&output_streams[i]->filtered_frame);
471 av_freep(&output_streams[i]->forced_keyframes);
472 av_expr_free(output_streams[i]->forced_keyframes_pexpr);
473 av_freep(&output_streams[i]->avfilter);
474 av_freep(&output_streams[i]->logfile_prefix);
475 av_freep(&output_streams[i]);
477 for (i = 0; i < nb_input_files; i++) {
478 avformat_close_input(&input_files[i]->ctx);
479 av_freep(&input_files[i]);
481 for (i = 0; i < nb_input_streams; i++) {
482 av_frame_free(&input_streams[i]->decoded_frame);
483 av_frame_free(&input_streams[i]->filter_frame);
484 av_dict_free(&input_streams[i]->opts);
485 avsubtitle_free(&input_streams[i]->prev_sub.subtitle);
486 av_frame_free(&input_streams[i]->sub2video.frame);
487 av_freep(&input_streams[i]->filters);
488 av_freep(&input_streams[i]);
493 av_free(vstats_filename);
495 av_freep(&input_streams);
496 av_freep(&input_files);
497 av_freep(&output_streams);
498 av_freep(&output_files);
502 avformat_network_deinit();
504 if (received_sigterm) {
505 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
506 (int) received_sigterm);
510 void assert_avoptions(AVDictionary *m)
512 AVDictionaryEntry *t;
513 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
514 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
519 static void abort_codec_experimental(AVCodec *c, int encoder)
524 static void update_benchmark(const char *fmt, ...)
526 if (do_benchmark_all) {
527 int64_t t = getutime();
533 vsnprintf(buf, sizeof(buf), fmt, va);
535 printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
541 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
543 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
544 AVCodecContext *avctx = ost->st->codec;
547 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
548 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
549 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
551 if ((avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) && pkt->dts != AV_NOPTS_VALUE) {
552 int64_t max = ost->st->cur_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
553 if (ost->st->cur_dts && ost->st->cur_dts != AV_NOPTS_VALUE && max > pkt->dts) {
554 av_log(s, max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG,
555 "st:%d PTS: %"PRId64" DTS: %"PRId64" < %"PRId64" invalid, clipping\n", pkt->stream_index, pkt->pts, pkt->dts, max);
556 if(pkt->pts >= pkt->dts)
557 pkt->pts = FFMAX(pkt->pts, max);
563 * Audio encoders may split the packets -- #frames in != #packets out.
564 * But there is no reordering, so we can limit the number of output packets
565 * by simply dropping them here.
566 * Counting encoded video frames needs to be done separately because of
567 * reordering, see do_video_out()
569 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
570 if (ost->frame_number >= ost->max_frames) {
578 AVPacket new_pkt = *pkt;
579 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
580 &new_pkt.data, &new_pkt.size,
581 pkt->data, pkt->size,
582 pkt->flags & AV_PKT_FLAG_KEY);
583 if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
584 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
586 memcpy(t, new_pkt.data, new_pkt.size);
587 memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
596 new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size,
597 av_buffer_default_free, NULL, 0);
601 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
602 bsfc->filter->name, pkt->stream_index,
603 avctx->codec ? avctx->codec->name : "copy");
613 pkt->stream_index = ost->index;
616 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
617 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
618 av_get_media_type_string(ost->st->codec->codec_type),
619 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
620 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
625 ret = av_interleaved_write_frame(s, pkt);
627 print_error("av_interleaved_write_frame()", ret);
632 static void close_output_stream(OutputStream *ost)
634 OutputFile *of = output_files[ost->file_index];
638 int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, AV_TIME_BASE_Q);
639 of->recording_time = FFMIN(of->recording_time, end);
643 static int check_recording_time(OutputStream *ost)
645 OutputFile *of = output_files[ost->file_index];
647 if (of->recording_time != INT64_MAX &&
648 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
649 AV_TIME_BASE_Q) >= 0) {
650 close_output_stream(ost);
656 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
659 AVCodecContext *enc = ost->st->codec;
663 av_init_packet(&pkt);
667 if (!check_recording_time(ost))
670 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
671 frame->pts = ost->sync_opts;
672 ost->sync_opts = frame->pts + frame->nb_samples;
674 av_assert0(pkt.size || !pkt.data);
675 update_benchmark(NULL);
676 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
677 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
680 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
683 if (pkt.pts != AV_NOPTS_VALUE)
684 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
685 if (pkt.dts != AV_NOPTS_VALUE)
686 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
687 if (pkt.duration > 0)
688 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
691 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
692 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
693 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
694 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
697 audio_size += pkt.size;
698 write_frame(s, &pkt, ost);
700 av_free_packet(&pkt);
704 static void do_subtitle_out(AVFormatContext *s,
709 int subtitle_out_max_size = 1024 * 1024;
710 int subtitle_out_size, nb, i;
715 if (sub->pts == AV_NOPTS_VALUE) {
716 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
722 enc = ost->st->codec;
725 subtitle_out = av_malloc(subtitle_out_max_size);
728 /* Note: DVB subtitle need one packet to draw them and one other
729 packet to clear them */
730 /* XXX: signal it in the codec context ? */
731 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
736 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
737 pts = sub->pts - output_files[ost->file_index]->start_time;
738 for (i = 0; i < nb; i++) {
739 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
740 if (!check_recording_time(ost))
744 // start_display_time is required to be 0
745 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
746 sub->end_display_time -= sub->start_display_time;
747 sub->start_display_time = 0;
750 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
751 subtitle_out_max_size, sub);
752 if (subtitle_out_size < 0) {
753 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
757 av_init_packet(&pkt);
758 pkt.data = subtitle_out;
759 pkt.size = subtitle_out_size;
760 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
761 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
762 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
763 /* XXX: the pts correction is handled here. Maybe handling
764 it in the codec would be better */
766 pkt.pts += 90 * sub->start_display_time;
768 pkt.pts += 90 * sub->end_display_time;
770 subtitle_size += pkt.size;
771 write_frame(s, &pkt, ost);
775 static void do_video_out(AVFormatContext *s,
779 int ret, format_video_sync;
781 AVCodecContext *enc = ost->st->codec;
783 double sync_ipts, delta;
786 InputStream *ist = NULL;
788 if (ost->source_index >= 0)
789 ist = input_streams[ost->source_index];
791 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
792 duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base));
794 sync_ipts = in_picture->pts;
795 delta = sync_ipts - ost->sync_opts + duration;
797 /* by default, we output a single frame */
800 format_video_sync = video_sync_method;
801 if (format_video_sync == VSYNC_AUTO)
802 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR;
804 switch (format_video_sync) {
806 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
809 else if (delta > 1.1)
810 nb_frames = lrintf(delta);
815 else if (delta > 0.6)
816 ost->sync_opts = lrint(sync_ipts);
819 case VSYNC_PASSTHROUGH:
820 ost->sync_opts = lrint(sync_ipts);
826 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
827 if (nb_frames == 0) {
829 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
831 } else if (nb_frames > 1) {
832 if (nb_frames > dts_error_threshold * 30) {
833 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
837 nb_frames_dup += nb_frames - 1;
838 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
841 /* duplicates frame if needed */
842 for (i = 0; i < nb_frames; i++) {
843 av_init_packet(&pkt);
847 in_picture->pts = ost->sync_opts;
849 if (!check_recording_time(ost))
852 if (s->oformat->flags & AVFMT_RAWPICTURE &&
853 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
854 /* raw pictures are written as AVPicture structure to
855 avoid any copies. We support temporarily the older
857 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
858 enc->coded_frame->top_field_first = in_picture->top_field_first;
859 if (enc->coded_frame->interlaced_frame)
860 enc->field_order = enc->coded_frame->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
862 enc->field_order = AV_FIELD_PROGRESSIVE;
863 pkt.data = (uint8_t *)in_picture;
864 pkt.size = sizeof(AVPicture);
865 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
866 pkt.flags |= AV_PKT_FLAG_KEY;
868 video_size += pkt.size;
869 write_frame(s, &pkt, ost);
871 int got_packet, forced_keyframe = 0;
874 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) &&
875 ost->top_field_first >= 0)
876 in_picture->top_field_first = !!ost->top_field_first;
878 if (in_picture->interlaced_frame) {
879 if (enc->codec->id == AV_CODEC_ID_MJPEG)
880 enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB;
882 enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT;
884 enc->field_order = AV_FIELD_PROGRESSIVE;
886 in_picture->quality = ost->st->codec->global_quality;
887 if (!enc->me_threshold)
888 in_picture->pict_type = 0;
890 pts_time = in_picture->pts != AV_NOPTS_VALUE ?
891 in_picture->pts * av_q2d(enc->time_base) : NAN;
892 if (ost->forced_kf_index < ost->forced_kf_count &&
893 in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
894 ost->forced_kf_index++;
896 } else if (ost->forced_keyframes_pexpr) {
898 ost->forced_keyframes_expr_const_values[FKF_T] = pts_time;
899 res = av_expr_eval(ost->forced_keyframes_pexpr,
900 ost->forced_keyframes_expr_const_values, NULL);
901 av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n",
902 ost->forced_keyframes_expr_const_values[FKF_N],
903 ost->forced_keyframes_expr_const_values[FKF_N_FORCED],
904 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N],
905 ost->forced_keyframes_expr_const_values[FKF_T],
906 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T],
910 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] =
911 ost->forced_keyframes_expr_const_values[FKF_N];
912 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] =
913 ost->forced_keyframes_expr_const_values[FKF_T];
914 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1;
917 ost->forced_keyframes_expr_const_values[FKF_N] += 1;
919 if (forced_keyframe) {
920 in_picture->pict_type = AV_PICTURE_TYPE_I;
921 av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time);
924 update_benchmark(NULL);
925 ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet);
926 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
928 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
933 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
934 pkt.pts = ost->sync_opts;
936 if (pkt.pts != AV_NOPTS_VALUE)
937 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
938 if (pkt.dts != AV_NOPTS_VALUE)
939 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
942 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
943 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
944 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
945 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
948 frame_size = pkt.size;
949 video_size += pkt.size;
950 write_frame(s, &pkt, ost);
951 av_free_packet(&pkt);
953 /* if two pass, output log */
954 if (ost->logfile && enc->stats_out) {
955 fprintf(ost->logfile, "%s", enc->stats_out);
961 * For video, number of frames in == number of packets out.
962 * But there may be reordering, so we can't throw away frames on encoder
963 * flush, we need to limit them here, before they go into encoder.
967 if (vstats_filename && frame_size)
968 do_video_stats(ost, frame_size);
972 static double psnr(double d)
974 return -10.0 * log(d) / log(10.0);
977 static void do_video_stats(OutputStream *ost, int frame_size)
981 double ti1, bitrate, avg_bitrate;
983 /* this is executed just the first time do_video_stats is called */
985 vstats_file = fopen(vstats_filename, "w");
992 enc = ost->st->codec;
993 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
994 frame_number = ost->st->nb_frames;
995 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
996 if (enc->flags&CODEC_FLAG_PSNR)
997 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
999 fprintf(vstats_file,"f_size= %6d ", frame_size);
1000 /* compute pts value */
1001 ti1 = ost->st->pts.val * av_q2d(enc->time_base);
1005 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1006 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1007 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1008 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1009 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1014 * Get and encode new output from any of the filtergraphs, without causing
1017 * @return 0 for success, <0 for severe errors
1019 static int reap_filters(void)
1021 AVFrame *filtered_frame = NULL;
1025 /* Reap all buffers present in the buffer sinks */
1026 for (i = 0; i < nb_output_streams; i++) {
1027 OutputStream *ost = output_streams[i];
1028 OutputFile *of = output_files[ost->file_index];
1034 if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
1035 return AVERROR(ENOMEM);
1037 avcodec_get_frame_defaults(ost->filtered_frame);
1038 filtered_frame = ost->filtered_frame;
1041 ret = av_buffersink_get_frame_flags(ost->filter->filter, filtered_frame,
1042 AV_BUFFERSINK_FLAG_NO_REQUEST);
1044 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1045 av_log(NULL, AV_LOG_WARNING,
1046 "Error in av_buffersink_get_frame_flags(): %s\n", av_err2str(ret));
1050 frame_pts = AV_NOPTS_VALUE;
1051 if (filtered_frame->pts != AV_NOPTS_VALUE) {
1052 filtered_frame->pts = frame_pts = av_rescale_q(filtered_frame->pts,
1053 ost->filter->filter->inputs[0]->time_base,
1054 ost->st->codec->time_base) -
1055 av_rescale_q(of->start_time,
1057 ost->st->codec->time_base);
1059 if (of->start_time && filtered_frame->pts < 0) {
1060 av_frame_unref(filtered_frame);
1064 //if (ost->source_index >= 0)
1065 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1068 switch (ost->filter->filter->inputs[0]->type) {
1069 case AVMEDIA_TYPE_VIDEO:
1070 filtered_frame->pts = frame_pts;
1071 if (!ost->frame_aspect_ratio.num)
1072 ost->st->codec->sample_aspect_ratio = filtered_frame->sample_aspect_ratio;
1074 do_video_out(of->ctx, ost, filtered_frame);
1076 case AVMEDIA_TYPE_AUDIO:
1077 filtered_frame->pts = frame_pts;
1078 if (!(ost->st->codec->codec->capabilities & CODEC_CAP_PARAM_CHANGE) &&
1079 ost->st->codec->channels != av_frame_get_channels(filtered_frame)) {
1080 av_log(NULL, AV_LOG_ERROR,
1081 "Audio filter graph output is not normalized and encoder does not support parameter changes\n");
1084 do_audio_out(of->ctx, ost, filtered_frame);
1087 // TODO support subtitle filters
1091 av_frame_unref(filtered_frame);
1098 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1101 AVBPrint buf_script;
1103 AVFormatContext *oc;
1105 AVCodecContext *enc;
1106 int frame_number, vid, i;
1108 int64_t pts = INT64_MIN;
1109 static int64_t last_time = -1;
1110 static int qp_histogram[52];
1111 int hours, mins, secs, us;
1113 if (!print_stats && !is_last_report && !progress_avio)
1116 if (!is_last_report) {
1117 if (last_time == -1) {
1118 last_time = cur_time;
1121 if ((cur_time - last_time) < 500000)
1123 last_time = cur_time;
1127 oc = output_files[0]->ctx;
1129 total_size = avio_size(oc->pb);
1130 if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too
1131 total_size = avio_tell(oc->pb);
1135 av_bprint_init(&buf_script, 0, 1);
1136 for (i = 0; i < nb_output_streams; i++) {
1138 ost = output_streams[i];
1139 enc = ost->st->codec;
1140 if (!ost->stream_copy && enc->coded_frame)
1141 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1142 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1143 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1144 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1145 ost->file_index, ost->index, q);
1147 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1148 float fps, t = (cur_time-timer_start) / 1000000.0;
1150 frame_number = ost->frame_number;
1151 fps = t > 1 ? frame_number / t : 0;
1152 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1153 frame_number, fps < 9.95, fps, q);
1154 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1155 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1156 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1157 ost->file_index, ost->index, q);
1159 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1163 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1165 for (j = 0; j < 32; j++)
1166 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
1168 if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) {
1170 double error, error_sum = 0;
1171 double scale, scale_sum = 0;
1173 char type[3] = { 'Y','U','V' };
1174 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1175 for (j = 0; j < 3; j++) {
1176 if (is_last_report) {
1177 error = enc->error[j];
1178 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1180 error = enc->coded_frame->error[j];
1181 scale = enc->width * enc->height * 255.0 * 255.0;
1187 p = psnr(error / scale);
1188 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1189 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1190 ost->file_index, ost->index, type[j] | 32, p);
1192 p = psnr(error_sum / scale_sum);
1193 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1194 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1195 ost->file_index, ost->index, p);
1199 /* compute min output value */
1200 if ((is_last_report || !ost->finished) && ost->st->pts.val != AV_NOPTS_VALUE)
1201 pts = FFMAX(pts, av_rescale_q(ost->st->pts.val,
1202 ost->st->time_base, AV_TIME_BASE_Q));
1205 secs = pts / AV_TIME_BASE;
1206 us = pts % AV_TIME_BASE;
1212 bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
1214 if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1216 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1217 "size=%8.0fkB time=", total_size / 1024.0);
1218 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1219 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1220 (100 * us) / AV_TIME_BASE);
1221 if (bitrate < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1223 else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1224 "bitrate=%6.1fkbits/s", bitrate);
1225 if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
1226 else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1227 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1228 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1229 hours, mins, secs, us);
1231 if (nb_frames_dup || nb_frames_drop)
1232 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1233 nb_frames_dup, nb_frames_drop);
1234 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1235 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1237 if (print_stats || is_last_report) {
1238 if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
1239 fprintf(stderr, "%s \r", buf);
1241 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1246 if (progress_avio) {
1247 av_bprintf(&buf_script, "progress=%s\n",
1248 is_last_report ? "end" : "continue");
1249 avio_write(progress_avio, buf_script.str,
1250 FFMIN(buf_script.len, buf_script.size - 1));
1251 avio_flush(progress_avio);
1252 av_bprint_finalize(&buf_script, NULL);
1253 if (is_last_report) {
1254 avio_close(progress_avio);
1255 progress_avio = NULL;
1259 if (is_last_report) {
1260 int64_t raw= audio_size + video_size + subtitle_size + extra_size;
1261 av_log(NULL, AV_LOG_INFO, "\n");
1262 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0f global headers:%1.0fkB muxing overhead %f%%\n",
1263 video_size / 1024.0,
1264 audio_size / 1024.0,
1265 subtitle_size / 1024.0,
1266 extra_size / 1024.0,
1267 100.0 * (total_size - raw) / raw
1269 if(video_size + audio_size + subtitle_size + extra_size == 0){
1270 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1275 static void flush_encoders(void)
1279 for (i = 0; i < nb_output_streams; i++) {
1280 OutputStream *ost = output_streams[i];
1281 AVCodecContext *enc = ost->st->codec;
1282 AVFormatContext *os = output_files[ost->file_index]->ctx;
1283 int stop_encoding = 0;
1285 if (!ost->encoding_needed)
1288 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1290 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1294 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1298 switch (ost->st->codec->codec_type) {
1299 case AVMEDIA_TYPE_AUDIO:
1300 encode = avcodec_encode_audio2;
1304 case AVMEDIA_TYPE_VIDEO:
1305 encode = avcodec_encode_video2;
1316 av_init_packet(&pkt);
1320 update_benchmark(NULL);
1321 ret = encode(enc, &pkt, NULL, &got_packet);
1322 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1324 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1328 if (ost->logfile && enc->stats_out) {
1329 fprintf(ost->logfile, "%s", enc->stats_out);
1335 if (pkt.pts != AV_NOPTS_VALUE)
1336 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1337 if (pkt.dts != AV_NOPTS_VALUE)
1338 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1339 if (pkt.duration > 0)
1340 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1341 write_frame(os, &pkt, ost);
1342 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) {
1343 do_video_stats(ost, pkt.size);
1354 * Check whether a packet from ist should be written into ost at this time
1356 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1358 OutputFile *of = output_files[ost->file_index];
1359 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1361 if (ost->source_index != ist_index)
1364 if (of->start_time && ist->pts < of->start_time)
1370 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1372 OutputFile *of = output_files[ost->file_index];
1373 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1377 av_init_packet(&opkt);
1379 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1380 !ost->copy_initial_nonkeyframes)
1383 if (!ost->frame_number && ist->pts < of->start_time &&
1384 !ost->copy_prior_start)
1387 if (of->recording_time != INT64_MAX &&
1388 ist->pts >= of->recording_time + of->start_time) {
1389 close_output_stream(ost);
1393 /* force the input stream PTS */
1394 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1395 audio_size += pkt->size;
1396 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1397 video_size += pkt->size;
1399 } else if (ost->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1400 subtitle_size += pkt->size;
1403 if (pkt->pts != AV_NOPTS_VALUE)
1404 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1406 opkt.pts = AV_NOPTS_VALUE;
1408 if (pkt->dts == AV_NOPTS_VALUE)
1409 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1411 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1412 opkt.dts -= ost_tb_start_time;
1414 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
1415 int duration = av_get_audio_frame_duration(ist->st->codec, pkt->size);
1417 duration = ist->st->codec->frame_size;
1418 opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts,
1419 (AVRational){1, ist->st->codec->sample_rate}, duration, &ist->filter_in_rescale_delta_last,
1420 ost->st->time_base) - ost_tb_start_time;
1423 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1424 opkt.flags = pkt->flags;
1426 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1427 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
1428 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1429 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1430 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
1432 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY)) {
1433 opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0);
1438 opkt.data = pkt->data;
1439 opkt.size = pkt->size;
1442 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1443 /* store AVPicture in AVPacket, as expected by the output format */
1444 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1445 opkt.data = (uint8_t *)&pict;
1446 opkt.size = sizeof(AVPicture);
1447 opkt.flags |= AV_PKT_FLAG_KEY;
1450 write_frame(of->ctx, &opkt, ost);
1451 ost->st->codec->frame_number++;
1454 static void rate_emu_sleep(InputStream *ist)
1456 if (input_files[ist->file_index]->rate_emu) {
1457 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
1458 int64_t now = av_gettime() - ist->start;
1460 av_usleep(pts - now);
1464 int guess_input_channel_layout(InputStream *ist)
1466 AVCodecContext *dec = ist->st->codec;
1468 if (!dec->channel_layout) {
1469 char layout_name[256];
1471 if (dec->channels > ist->guess_layout_max)
1473 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1474 if (!dec->channel_layout)
1476 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1477 dec->channels, dec->channel_layout);
1478 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1479 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1484 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1486 AVFrame *decoded_frame, *f;
1487 AVCodecContext *avctx = ist->st->codec;
1488 int i, ret, err = 0, resample_changed;
1489 AVRational decoded_frame_tb;
1491 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1492 return AVERROR(ENOMEM);
1493 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1494 return AVERROR(ENOMEM);
1495 decoded_frame = ist->decoded_frame;
1497 update_benchmark(NULL);
1498 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1499 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1501 if (ret >= 0 && avctx->sample_rate <= 0) {
1502 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1503 ret = AVERROR_INVALIDDATA;
1506 if (*got_output || ret<0 || pkt->size)
1507 decode_error_stat[ret<0] ++;
1509 if (!*got_output || ret < 0) {
1511 for (i = 0; i < ist->nb_filters; i++)
1513 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1515 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1522 /* increment next_dts to use for the case where the input stream does not
1523 have timestamps or there are multiple frames in the packet */
1524 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1526 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1530 rate_emu_sleep(ist);
1532 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1533 ist->resample_channels != avctx->channels ||
1534 ist->resample_channel_layout != decoded_frame->channel_layout ||
1535 ist->resample_sample_rate != decoded_frame->sample_rate;
1536 if (resample_changed) {
1537 char layout1[64], layout2[64];
1539 if (!guess_input_channel_layout(ist)) {
1540 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1541 "layout for Input Stream #%d.%d\n", ist->file_index,
1545 decoded_frame->channel_layout = avctx->channel_layout;
1547 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1548 ist->resample_channel_layout);
1549 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1550 decoded_frame->channel_layout);
1552 av_log(NULL, AV_LOG_INFO,
1553 "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",
1554 ist->file_index, ist->st->index,
1555 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1556 ist->resample_channels, layout1,
1557 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1558 avctx->channels, layout2);
1560 ist->resample_sample_fmt = decoded_frame->format;
1561 ist->resample_sample_rate = decoded_frame->sample_rate;
1562 ist->resample_channel_layout = decoded_frame->channel_layout;
1563 ist->resample_channels = avctx->channels;
1565 for (i = 0; i < nb_filtergraphs; i++)
1566 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1567 FilterGraph *fg = filtergraphs[i];
1569 if (configure_filtergraph(fg) < 0) {
1570 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1573 for (j = 0; j < fg->nb_outputs; j++) {
1574 OutputStream *ost = fg->outputs[j]->ost;
1575 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
1576 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
1577 av_buffersink_set_frame_size(ost->filter->filter,
1578 ost->st->codec->frame_size);
1583 /* if the decoder provides a pts, use it instead of the last packet pts.
1584 the decoder could be delaying output by a packet or more. */
1585 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1586 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1587 decoded_frame_tb = avctx->time_base;
1588 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1589 decoded_frame->pts = decoded_frame->pkt_pts;
1590 pkt->pts = AV_NOPTS_VALUE;
1591 decoded_frame_tb = ist->st->time_base;
1592 } else if (pkt->pts != AV_NOPTS_VALUE) {
1593 decoded_frame->pts = pkt->pts;
1594 pkt->pts = AV_NOPTS_VALUE;
1595 decoded_frame_tb = ist->st->time_base;
1597 decoded_frame->pts = ist->dts;
1598 decoded_frame_tb = AV_TIME_BASE_Q;
1600 if (decoded_frame->pts != AV_NOPTS_VALUE)
1601 decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts,
1602 (AVRational){1, ist->st->codec->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last,
1603 (AVRational){1, ist->st->codec->sample_rate});
1604 for (i = 0; i < ist->nb_filters; i++) {
1605 if (i < ist->nb_filters - 1) {
1606 f = ist->filter_frame;
1607 err = av_frame_ref(f, decoded_frame);
1612 err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f,
1613 AV_BUFFERSRC_FLAG_PUSH);
1617 decoded_frame->pts = AV_NOPTS_VALUE;
1619 av_frame_unref(ist->filter_frame);
1620 av_frame_unref(decoded_frame);
1621 return err < 0 ? err : ret;
1624 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1626 AVFrame *decoded_frame, *f;
1627 void *buffer_to_free = NULL;
1628 int i, ret = 0, err = 0, resample_changed;
1629 int64_t best_effort_timestamp;
1630 AVRational *frame_sample_aspect;
1632 if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc()))
1633 return AVERROR(ENOMEM);
1634 if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc()))
1635 return AVERROR(ENOMEM);
1636 decoded_frame = ist->decoded_frame;
1637 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1639 update_benchmark(NULL);
1640 ret = avcodec_decode_video2(ist->st->codec,
1641 decoded_frame, got_output, pkt);
1642 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1644 if (*got_output || ret<0 || pkt->size)
1645 decode_error_stat[ret<0] ++;
1647 if (!*got_output || ret < 0) {
1649 for (i = 0; i < ist->nb_filters; i++)
1651 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1653 av_buffersrc_add_frame(ist->filters[i]->filter, NULL);
1659 if(ist->top_field_first>=0)
1660 decoded_frame->top_field_first = ist->top_field_first;
1662 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
1663 if(best_effort_timestamp != AV_NOPTS_VALUE)
1664 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
1667 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
1668 "frame_pts:%s frame_pts_time:%s best_effort_ts:%"PRId64" best_effort_ts_time:%s keyframe:%d frame_type:%d \n",
1669 ist->st->index, av_ts2str(decoded_frame->pts),
1670 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
1671 best_effort_timestamp,
1672 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
1673 decoded_frame->key_frame, decoded_frame->pict_type);
1678 rate_emu_sleep(ist);
1680 if (ist->st->sample_aspect_ratio.num)
1681 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1683 resample_changed = ist->resample_width != decoded_frame->width ||
1684 ist->resample_height != decoded_frame->height ||
1685 ist->resample_pix_fmt != decoded_frame->format;
1686 if (resample_changed) {
1687 av_log(NULL, AV_LOG_INFO,
1688 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1689 ist->file_index, ist->st->index,
1690 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1691 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1693 ist->resample_width = decoded_frame->width;
1694 ist->resample_height = decoded_frame->height;
1695 ist->resample_pix_fmt = decoded_frame->format;
1697 for (i = 0; i < nb_filtergraphs; i++) {
1698 if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters &&
1699 configure_filtergraph(filtergraphs[i]) < 0) {
1700 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1706 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
1707 for (i = 0; i < ist->nb_filters; i++) {
1708 if (!frame_sample_aspect->num)
1709 *frame_sample_aspect = ist->st->sample_aspect_ratio;
1711 if (i < ist->nb_filters - 1) {
1712 f = ist->filter_frame;
1713 err = av_frame_ref(f, decoded_frame);
1718 ret = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, AV_BUFFERSRC_FLAG_PUSH);
1720 av_log(NULL, AV_LOG_FATAL,
1721 "Failed to inject frame into filter network: %s\n", av_err2str(ret));
1726 av_frame_unref(ist->filter_frame);
1727 av_frame_unref(decoded_frame);
1728 av_free(buffer_to_free);
1729 return err < 0 ? err : ret;
1732 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1734 AVSubtitle subtitle;
1735 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1736 &subtitle, got_output, pkt);
1738 if (*got_output || ret<0 || pkt->size)
1739 decode_error_stat[ret<0] ++;
1741 if (ret < 0 || !*got_output) {
1743 sub2video_flush(ist);
1747 if (ist->fix_sub_duration) {
1748 if (ist->prev_sub.got_output) {
1749 int end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
1750 1000, AV_TIME_BASE);
1751 if (end < ist->prev_sub.subtitle.end_display_time) {
1752 av_log(ist->st->codec, AV_LOG_DEBUG,
1753 "Subtitle duration reduced from %d to %d\n",
1754 ist->prev_sub.subtitle.end_display_time, end);
1755 ist->prev_sub.subtitle.end_display_time = end;
1758 FFSWAP(int, *got_output, ist->prev_sub.got_output);
1759 FFSWAP(int, ret, ist->prev_sub.ret);
1760 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
1763 sub2video_update(ist, &subtitle);
1765 if (!*got_output || !subtitle.num_rects)
1768 rate_emu_sleep(ist);
1770 for (i = 0; i < nb_output_streams; i++) {
1771 OutputStream *ost = output_streams[i];
1773 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1776 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
1779 avsubtitle_free(&subtitle);
1783 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1784 static int output_packet(InputStream *ist, const AVPacket *pkt)
1790 if (!ist->saw_first_ts) {
1791 ist->dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
1793 if (pkt != NULL && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
1794 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1795 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
1797 ist->saw_first_ts = 1;
1800 if (ist->next_dts == AV_NOPTS_VALUE)
1801 ist->next_dts = ist->dts;
1802 if (ist->next_pts == AV_NOPTS_VALUE)
1803 ist->next_pts = ist->pts;
1807 av_init_packet(&avpkt);
1815 if (pkt->dts != AV_NOPTS_VALUE) {
1816 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1817 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
1818 ist->next_pts = ist->pts = ist->dts;
1821 // while we have more to decode or while the decoder did output something on EOF
1822 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
1826 ist->pts = ist->next_pts;
1827 ist->dts = ist->next_dts;
1829 if (avpkt.size && avpkt.size != pkt->size) {
1830 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1831 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1832 ist->showed_multi_packet_warning = 1;
1835 switch (ist->st->codec->codec_type) {
1836 case AVMEDIA_TYPE_AUDIO:
1837 ret = decode_audio (ist, &avpkt, &got_output);
1839 case AVMEDIA_TYPE_VIDEO:
1840 ret = decode_video (ist, &avpkt, &got_output);
1841 if (avpkt.duration) {
1842 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
1843 } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
1844 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1845 duration = ((int64_t)AV_TIME_BASE *
1846 ist->st->codec->time_base.num * ticks) /
1847 ist->st->codec->time_base.den;
1851 if(ist->dts != AV_NOPTS_VALUE && duration) {
1852 ist->next_dts += duration;
1854 ist->next_dts = AV_NOPTS_VALUE;
1857 ist->next_pts += duration; //FIXME the duration is not correct in some cases
1859 case AVMEDIA_TYPE_SUBTITLE:
1860 ret = transcode_subtitles(ist, &avpkt, &got_output);
1870 avpkt.pts= AV_NOPTS_VALUE;
1872 // touch data and size only if not EOF
1874 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
1884 /* handle stream copy */
1885 if (!ist->decoding_needed) {
1886 rate_emu_sleep(ist);
1887 ist->dts = ist->next_dts;
1888 switch (ist->st->codec->codec_type) {
1889 case AVMEDIA_TYPE_AUDIO:
1890 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1891 ist->st->codec->sample_rate;
1893 case AVMEDIA_TYPE_VIDEO:
1894 if (ist->framerate.num) {
1895 // TODO: Remove work-around for c99-to-c89 issue 7
1896 AVRational time_base_q = AV_TIME_BASE_Q;
1897 int64_t next_dts = av_rescale_q(ist->next_dts, time_base_q, av_inv_q(ist->framerate));
1898 ist->next_dts = av_rescale_q(next_dts + 1, av_inv_q(ist->framerate), time_base_q);
1899 } else if (pkt->duration) {
1900 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
1901 } else if(ist->st->codec->time_base.num != 0) {
1902 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
1903 ist->next_dts += ((int64_t)AV_TIME_BASE *
1904 ist->st->codec->time_base.num * ticks) /
1905 ist->st->codec->time_base.den;
1909 ist->pts = ist->dts;
1910 ist->next_pts = ist->next_dts;
1912 for (i = 0; pkt && i < nb_output_streams; i++) {
1913 OutputStream *ost = output_streams[i];
1915 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1918 do_streamcopy(ist, ost, pkt);
1924 static void print_sdp(void)
1928 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
1932 for (i = 0; i < nb_output_files; i++)
1933 avc[i] = output_files[i]->ctx;
1935 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
1936 printf("SDP:\n%s\n", sdp);
1941 static int init_input_stream(int ist_index, char *error, int error_len)
1944 InputStream *ist = input_streams[ist_index];
1946 if (ist->decoding_needed) {
1947 AVCodec *codec = ist->dec;
1949 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
1950 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
1951 return AVERROR(EINVAL);
1954 av_opt_set_int(ist->st->codec, "refcounted_frames", 1, 0);
1956 if (!av_dict_get(ist->opts, "threads", NULL, 0))
1957 av_dict_set(&ist->opts, "threads", "auto", 0);
1958 if ((ret = avcodec_open2(ist->st->codec, codec, &ist->opts)) < 0) {
1959 if (ret == AVERROR_EXPERIMENTAL)
1960 abort_codec_experimental(codec, 0);
1961 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
1962 ist->file_index, ist->st->index);
1965 assert_avoptions(ist->opts);
1968 ist->next_pts = AV_NOPTS_VALUE;
1969 ist->next_dts = AV_NOPTS_VALUE;
1975 static InputStream *get_input_stream(OutputStream *ost)
1977 if (ost->source_index >= 0)
1978 return input_streams[ost->source_index];
1982 static int compare_int64(const void *a, const void *b)
1984 int64_t va = *(int64_t *)a, vb = *(int64_t *)b;
1985 return va < vb ? -1 : va > vb ? +1 : 0;
1988 static void parse_forced_key_frames(char *kf, OutputStream *ost,
1989 AVCodecContext *avctx)
1992 int n = 1, i, size, index = 0;
1995 for (p = kf; *p; p++)
1999 pts = av_malloc(sizeof(*pts) * size);
2001 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
2006 for (i = 0; i < n; i++) {
2007 char *next = strchr(p, ',');
2012 if (!memcmp(p, "chapters", 8)) {
2014 AVFormatContext *avf = output_files[ost->file_index]->ctx;
2017 if (avf->nb_chapters > INT_MAX - size ||
2018 !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1,
2020 av_log(NULL, AV_LOG_FATAL,
2021 "Could not allocate forced key frames array.\n");
2024 t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0;
2025 t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2027 for (j = 0; j < avf->nb_chapters; j++) {
2028 AVChapter *c = avf->chapters[j];
2029 av_assert1(index < size);
2030 pts[index++] = av_rescale_q(c->start, c->time_base,
2031 avctx->time_base) + t;
2036 t = parse_time_or_die("force_key_frames", p, 1);
2037 av_assert1(index < size);
2038 pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
2045 av_assert0(index == size);
2046 qsort(pts, size, sizeof(*pts), compare_int64);
2047 ost->forced_kf_count = size;
2048 ost->forced_kf_pts = pts;
2051 static void report_new_stream(int input_index, AVPacket *pkt)
2053 InputFile *file = input_files[input_index];
2054 AVStream *st = file->ctx->streams[pkt->stream_index];
2056 if (pkt->stream_index < file->nb_streams_warn)
2058 av_log(file->ctx, AV_LOG_WARNING,
2059 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
2060 av_get_media_type_string(st->codec->codec_type),
2061 input_index, pkt->stream_index,
2062 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
2063 file->nb_streams_warn = pkt->stream_index + 1;
2066 static int transcode_init(void)
2068 int ret = 0, i, j, k;
2069 AVFormatContext *oc;
2070 AVCodecContext *codec;
2076 /* init framerate emulation */
2077 for (i = 0; i < nb_input_files; i++) {
2078 InputFile *ifile = input_files[i];
2079 if (ifile->rate_emu)
2080 for (j = 0; j < ifile->nb_streams; j++)
2081 input_streams[j + ifile->ist_index]->start = av_gettime();
2084 /* output stream init */
2085 for (i = 0; i < nb_output_files; i++) {
2086 oc = output_files[i]->ctx;
2087 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2088 av_dump_format(oc, i, oc->filename, 1);
2089 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2090 return AVERROR(EINVAL);
2094 /* init complex filtergraphs */
2095 for (i = 0; i < nb_filtergraphs; i++)
2096 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2099 /* for each output stream, we compute the right encoding parameters */
2100 for (i = 0; i < nb_output_streams; i++) {
2101 AVCodecContext *icodec = NULL;
2102 ost = output_streams[i];
2103 oc = output_files[ost->file_index]->ctx;
2104 ist = get_input_stream(ost);
2106 if (ost->attachment_filename)
2109 codec = ost->st->codec;
2112 icodec = ist->st->codec;
2114 ost->st->disposition = ist->st->disposition;
2115 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2116 codec->chroma_sample_location = icodec->chroma_sample_location;
2119 if (ost->stream_copy) {
2120 uint64_t extra_size;
2122 av_assert0(ist && !ost->filter);
2124 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2126 if (extra_size > INT_MAX) {
2127 return AVERROR(EINVAL);
2130 /* if stream_copy is selected, no need to decode or encode */
2131 codec->codec_id = icodec->codec_id;
2132 codec->codec_type = icodec->codec_type;
2134 if (!codec->codec_tag) {
2135 unsigned int codec_tag;
2136 if (!oc->oformat->codec_tag ||
2137 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2138 !av_codec_get_tag2(oc->oformat->codec_tag, icodec->codec_id, &codec_tag))
2139 codec->codec_tag = icodec->codec_tag;
2142 codec->bit_rate = icodec->bit_rate;
2143 codec->rc_max_rate = icodec->rc_max_rate;
2144 codec->rc_buffer_size = icodec->rc_buffer_size;
2145 codec->field_order = icodec->field_order;
2146 codec->extradata = av_mallocz(extra_size);
2147 if (!codec->extradata) {
2148 return AVERROR(ENOMEM);
2150 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2151 codec->extradata_size= icodec->extradata_size;
2152 codec->bits_per_coded_sample = icodec->bits_per_coded_sample;
2154 codec->time_base = ist->st->time_base;
2156 * Avi is a special case here because it supports variable fps but
2157 * having the fps and timebase differe significantly adds quite some
2160 if(!strcmp(oc->oformat->name, "avi")) {
2161 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2162 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2163 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(icodec->time_base)
2164 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(icodec->time_base) < 1.0/500
2166 codec->time_base.num = ist->st->r_frame_rate.den;
2167 codec->time_base.den = 2*ist->st->r_frame_rate.num;
2168 codec->ticks_per_frame = 2;
2169 } else if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2170 && av_q2d(ist->st->time_base) < 1.0/500
2172 codec->time_base = icodec->time_base;
2173 codec->time_base.num *= icodec->ticks_per_frame;
2174 codec->time_base.den *= 2;
2175 codec->ticks_per_frame = 2;
2177 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2178 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2179 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2180 && strcmp(oc->oformat->name, "f4v")
2182 if( copy_tb<0 && icodec->time_base.den
2183 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2184 && av_q2d(ist->st->time_base) < 1.0/500
2186 codec->time_base = icodec->time_base;
2187 codec->time_base.num *= icodec->ticks_per_frame;
2190 if ( codec->codec_tag == AV_RL32("tmcd")
2191 && icodec->time_base.num < icodec->time_base.den
2192 && icodec->time_base.num > 0
2193 && 121LL*icodec->time_base.num > icodec->time_base.den) {
2194 codec->time_base = icodec->time_base;
2197 if (ist && !ost->frame_rate.num)
2198 ost->frame_rate = ist->framerate;
2199 if(ost->frame_rate.num)
2200 codec->time_base = av_inv_q(ost->frame_rate);
2202 av_reduce(&codec->time_base.num, &codec->time_base.den,
2203 codec->time_base.num, codec->time_base.den, INT_MAX);
2205 switch (codec->codec_type) {
2206 case AVMEDIA_TYPE_AUDIO:
2207 if (audio_volume != 256) {
2208 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2211 codec->channel_layout = icodec->channel_layout;
2212 codec->sample_rate = icodec->sample_rate;
2213 codec->channels = icodec->channels;
2214 codec->frame_size = icodec->frame_size;
2215 codec->audio_service_type = icodec->audio_service_type;
2216 codec->block_align = icodec->block_align;
2217 if((codec->block_align == 1 || codec->block_align == 1152 || codec->block_align == 576) && codec->codec_id == AV_CODEC_ID_MP3)
2218 codec->block_align= 0;
2219 if(codec->codec_id == AV_CODEC_ID_AC3)
2220 codec->block_align= 0;
2222 case AVMEDIA_TYPE_VIDEO:
2223 codec->pix_fmt = icodec->pix_fmt;
2224 codec->width = icodec->width;
2225 codec->height = icodec->height;
2226 codec->has_b_frames = icodec->has_b_frames;
2227 if (ost->frame_aspect_ratio.num) { // overridden by the -aspect cli option
2228 codec->sample_aspect_ratio =
2229 ost->st->sample_aspect_ratio =
2230 av_mul_q(ost->frame_aspect_ratio,
2231 (AVRational){ codec->height, codec->width });
2232 av_log(NULL, AV_LOG_WARNING, "Overriding aspect ratio "
2233 "with stream copy may produce invalid files\n");
2234 } else if (!codec->sample_aspect_ratio.num) {
2235 codec->sample_aspect_ratio =
2236 ost->st->sample_aspect_ratio =
2237 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2238 ist->st->codec->sample_aspect_ratio.num ?
2239 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2241 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2243 case AVMEDIA_TYPE_SUBTITLE:
2244 codec->width = icodec->width;
2245 codec->height = icodec->height;
2247 case AVMEDIA_TYPE_DATA:
2248 case AVMEDIA_TYPE_ATTACHMENT:
2255 ost->enc = avcodec_find_encoder(codec->codec_id);
2257 /* should only happen when a default codec is not present. */
2258 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2259 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2260 ret = AVERROR(EINVAL);
2265 ist->decoding_needed++;
2266 ost->encoding_needed = 1;
2269 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2270 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
2272 fg = init_simple_filtergraph(ist, ost);
2273 if (configure_filtergraph(fg)) {
2274 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2279 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2280 if (ost->filter && !ost->frame_rate.num)
2281 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2282 if (ist && !ost->frame_rate.num)
2283 ost->frame_rate = ist->framerate;
2284 if (ist && !ost->frame_rate.num)
2285 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1};
2286 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2287 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2288 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2289 ost->frame_rate = ost->enc->supported_framerates[idx];
2293 switch (codec->codec_type) {
2294 case AVMEDIA_TYPE_AUDIO:
2295 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
2296 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2297 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2298 codec->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]);
2299 codec->time_base = (AVRational){ 1, codec->sample_rate };
2301 case AVMEDIA_TYPE_VIDEO:
2302 codec->time_base = av_inv_q(ost->frame_rate);
2303 if (ost->filter && !(codec->time_base.num && codec->time_base.den))
2304 codec->time_base = ost->filter->filter->inputs[0]->time_base;
2305 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2306 && (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2307 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2308 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2310 for (j = 0; j < ost->forced_kf_count; j++)
2311 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2315 codec->width = ost->filter->filter->inputs[0]->w;
2316 codec->height = ost->filter->filter->inputs[0]->h;
2317 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2318 ost->frame_aspect_ratio.num ? // overridden by the -aspect cli option
2319 av_mul_q(ost->frame_aspect_ratio, (AVRational){ codec->height, codec->width }) :
2320 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2321 if (!strncmp(ost->enc->name, "libx264", 7) &&
2322 codec->pix_fmt == AV_PIX_FMT_NONE &&
2323 ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P)
2324 av_log(NULL, AV_LOG_INFO,
2325 "No pixel format specified, %s for H.264 encoding chosen.\n"
2326 "Use -pix_fmt yuv420p for compatibility with outdated media players.\n",
2327 av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format));
2328 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
2331 codec->width != icodec->width ||
2332 codec->height != icodec->height ||
2333 codec->pix_fmt != icodec->pix_fmt) {
2334 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
2337 if (ost->forced_keyframes) {
2338 if (!strncmp(ost->forced_keyframes, "expr:", 5)) {
2339 ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5,
2340 forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL);
2342 av_log(NULL, AV_LOG_ERROR,
2343 "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5);
2346 ost->forced_keyframes_expr_const_values[FKF_N] = 0;
2347 ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0;
2348 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN;
2349 ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN;
2351 parse_forced_key_frames(ost->forced_keyframes, ost, ost->st->codec);
2355 case AVMEDIA_TYPE_SUBTITLE:
2356 codec->time_base = (AVRational){1, 1000};
2357 if (!codec->width) {
2358 codec->width = input_streams[ost->source_index]->st->codec->width;
2359 codec->height = input_streams[ost->source_index]->st->codec->height;
2367 if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2368 char logfilename[1024];
2371 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2372 ost->logfile_prefix ? ost->logfile_prefix :
2373 DEFAULT_PASS_LOGFILENAME_PREFIX,
2375 if (!strcmp(ost->enc->name, "libx264")) {
2376 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2378 if (codec->flags & CODEC_FLAG_PASS2) {
2380 size_t logbuffer_size;
2381 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2382 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2386 codec->stats_in = logbuffer;
2388 if (codec->flags & CODEC_FLAG_PASS1) {
2389 f = fopen(logfilename, "wb");
2391 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2392 logfilename, strerror(errno));
2402 /* open each encoder */
2403 for (i = 0; i < nb_output_streams; i++) {
2404 ost = output_streams[i];
2405 if (ost->encoding_needed) {
2406 AVCodec *codec = ost->enc;
2407 AVCodecContext *dec = NULL;
2409 if ((ist = get_input_stream(ost)))
2410 dec = ist->st->codec;
2411 if (dec && dec->subtitle_header) {
2412 /* ASS code assumes this buffer is null terminated so add extra byte. */
2413 ost->st->codec->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
2414 if (!ost->st->codec->subtitle_header) {
2415 ret = AVERROR(ENOMEM);
2418 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2419 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2421 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2422 av_dict_set(&ost->opts, "threads", "auto", 0);
2423 if ((ret = avcodec_open2(ost->st->codec, codec, &ost->opts)) < 0) {
2424 if (ret == AVERROR_EXPERIMENTAL)
2425 abort_codec_experimental(codec, 1);
2426 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2427 ost->file_index, ost->index);
2430 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2431 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
2432 av_buffersink_set_frame_size(ost->filter->filter,
2433 ost->st->codec->frame_size);
2434 assert_avoptions(ost->opts);
2435 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2436 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2437 " It takes bits/s as argument, not kbits/s\n");
2438 extra_size += ost->st->codec->extradata_size;
2440 if (ost->st->codec->me_threshold)
2441 input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
2443 av_opt_set_dict(ost->st->codec, &ost->opts);
2447 /* init input streams */
2448 for (i = 0; i < nb_input_streams; i++)
2449 if ((ret = init_input_stream(i, error, sizeof(error))) < 0) {
2450 for (i = 0; i < nb_output_streams; i++) {
2451 ost = output_streams[i];
2452 avcodec_close(ost->st->codec);
2457 /* discard unused programs */
2458 for (i = 0; i < nb_input_files; i++) {
2459 InputFile *ifile = input_files[i];
2460 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2461 AVProgram *p = ifile->ctx->programs[j];
2462 int discard = AVDISCARD_ALL;
2464 for (k = 0; k < p->nb_stream_indexes; k++)
2465 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2466 discard = AVDISCARD_DEFAULT;
2469 p->discard = discard;
2473 /* open files and write file headers */
2474 for (i = 0; i < nb_output_files; i++) {
2475 oc = output_files[i]->ctx;
2476 oc->interrupt_callback = int_cb;
2477 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
2479 const char *errbuf_ptr = errbuf;
2480 if (av_strerror(ret, errbuf, sizeof(errbuf)) < 0)
2481 errbuf_ptr = strerror(AVUNERROR(ret));
2482 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?): %s", i, errbuf_ptr);
2483 ret = AVERROR(EINVAL);
2486 // assert_avoptions(output_files[i]->opts);
2487 if (strcmp(oc->oformat->name, "rtp")) {
2493 /* dump the file output parameters - cannot be done before in case
2495 for (i = 0; i < nb_output_files; i++) {
2496 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
2499 /* dump the stream mapping */
2500 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2501 for (i = 0; i < nb_input_streams; i++) {
2502 ist = input_streams[i];
2504 for (j = 0; j < ist->nb_filters; j++) {
2505 if (ist->filters[j]->graph->graph_desc) {
2506 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2507 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
2508 ist->filters[j]->name);
2509 if (nb_filtergraphs > 1)
2510 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2511 av_log(NULL, AV_LOG_INFO, "\n");
2516 for (i = 0; i < nb_output_streams; i++) {
2517 ost = output_streams[i];
2519 if (ost->attachment_filename) {
2520 /* an attached file */
2521 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2522 ost->attachment_filename, ost->file_index, ost->index);
2526 if (ost->filter && ost->filter->graph->graph_desc) {
2527 /* output from a complex graph */
2528 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
2529 if (nb_filtergraphs > 1)
2530 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2532 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2533 ost->index, ost->enc ? ost->enc->name : "?");
2537 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2538 input_streams[ost->source_index]->file_index,
2539 input_streams[ost->source_index]->st->index,
2542 if (ost->sync_ist != input_streams[ost->source_index])
2543 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2544 ost->sync_ist->file_index,
2545 ost->sync_ist->st->index);
2546 if (ost->stream_copy)
2547 av_log(NULL, AV_LOG_INFO, " (copy)");
2549 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
2550 input_streams[ost->source_index]->dec->name : "?",
2551 ost->enc ? ost->enc->name : "?");
2552 av_log(NULL, AV_LOG_INFO, "\n");
2556 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2567 /* Return 1 if there remain streams where more output is wanted, 0 otherwise. */
2568 static int need_output(void)
2572 for (i = 0; i < nb_output_streams; i++) {
2573 OutputStream *ost = output_streams[i];
2574 OutputFile *of = output_files[ost->file_index];
2575 AVFormatContext *os = output_files[ost->file_index]->ctx;
2577 if (ost->finished ||
2578 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2580 if (ost->frame_number >= ost->max_frames) {
2582 for (j = 0; j < of->ctx->nb_streams; j++)
2583 close_output_stream(output_streams[of->ost_index + j]);
2594 * Select the output stream to process.
2596 * @return selected output stream, or NULL if none available
2598 static OutputStream *choose_output(void)
2601 int64_t opts_min = INT64_MAX;
2602 OutputStream *ost_min = NULL;
2604 for (i = 0; i < nb_output_streams; i++) {
2605 OutputStream *ost = output_streams[i];
2606 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
2608 if (!ost->unavailable && !ost->finished && opts < opts_min) {
2616 static int check_keyboard_interaction(int64_t cur_time)
2619 static int64_t last_time;
2620 if (received_nb_signals)
2621 return AVERROR_EXIT;
2622 /* read_key() returns 0 on EOF */
2623 if(cur_time - last_time >= 100000 && !run_as_daemon){
2625 last_time = cur_time;
2629 return AVERROR_EXIT;
2630 if (key == '+') av_log_set_level(av_log_get_level()+10);
2631 if (key == '-') av_log_set_level(av_log_get_level()-10);
2632 if (key == 's') qp_hist ^= 1;
2635 do_hex_dump = do_pkt_dump = 0;
2636 } else if(do_pkt_dump){
2640 av_log_set_level(AV_LOG_DEBUG);
2642 if (key == 'c' || key == 'C'){
2643 char buf[4096], target[64], command[256], arg[256] = {0};
2646 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2648 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2653 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2654 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2655 target, time, command, arg);
2656 for (i = 0; i < nb_filtergraphs; i++) {
2657 FilterGraph *fg = filtergraphs[i];
2660 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
2661 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2662 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
2664 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
2669 av_log(NULL, AV_LOG_ERROR,
2670 "Parse error, at least 3 arguments were expected, "
2671 "only %d given in string '%s'\n", n, buf);
2674 if (key == 'd' || key == 'D'){
2677 debug = input_streams[0]->st->codec->debug<<1;
2678 if(!debug) debug = 1;
2679 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2682 if(scanf("%d", &debug)!=1)
2683 fprintf(stderr,"error parsing debug value\n");
2684 for(i=0;i<nb_input_streams;i++) {
2685 input_streams[i]->st->codec->debug = debug;
2687 for(i=0;i<nb_output_streams;i++) {
2688 OutputStream *ost = output_streams[i];
2689 ost->st->codec->debug = debug;
2691 if(debug) av_log_set_level(AV_LOG_DEBUG);
2692 fprintf(stderr,"debug=%d\n", debug);
2695 fprintf(stderr, "key function\n"
2696 "? show this help\n"
2697 "+ increase verbosity\n"
2698 "- decrease verbosity\n"
2699 "c Send command to filtergraph\n"
2700 "D cycle through available debug modes\n"
2701 "h dump packets/hex press to cycle through the 3 states\n"
2703 "s Show QP histogram\n"
2710 static void *input_thread(void *arg)
2715 while (!transcoding_finished && ret >= 0) {
2717 ret = av_read_frame(f->ctx, &pkt);
2719 if (ret == AVERROR(EAGAIN)) {
2726 pthread_mutex_lock(&f->fifo_lock);
2727 while (!av_fifo_space(f->fifo))
2728 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
2730 av_dup_packet(&pkt);
2731 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
2733 pthread_mutex_unlock(&f->fifo_lock);
2740 static void free_input_threads(void)
2744 if (nb_input_files == 1)
2747 transcoding_finished = 1;
2749 for (i = 0; i < nb_input_files; i++) {
2750 InputFile *f = input_files[i];
2753 if (!f->fifo || f->joined)
2756 pthread_mutex_lock(&f->fifo_lock);
2757 while (av_fifo_size(f->fifo)) {
2758 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2759 av_free_packet(&pkt);
2761 pthread_cond_signal(&f->fifo_cond);
2762 pthread_mutex_unlock(&f->fifo_lock);
2764 pthread_join(f->thread, NULL);
2767 while (av_fifo_size(f->fifo)) {
2768 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2769 av_free_packet(&pkt);
2771 av_fifo_free(f->fifo);
2775 static int init_input_threads(void)
2779 if (nb_input_files == 1)
2782 for (i = 0; i < nb_input_files; i++) {
2783 InputFile *f = input_files[i];
2785 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
2786 return AVERROR(ENOMEM);
2788 pthread_mutex_init(&f->fifo_lock, NULL);
2789 pthread_cond_init (&f->fifo_cond, NULL);
2791 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
2792 return AVERROR(ret);
2797 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
2801 pthread_mutex_lock(&f->fifo_lock);
2803 if (av_fifo_size(f->fifo)) {
2804 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
2805 pthread_cond_signal(&f->fifo_cond);
2810 ret = AVERROR(EAGAIN);
2813 pthread_mutex_unlock(&f->fifo_lock);
2819 static int get_input_packet(InputFile *f, AVPacket *pkt)
2822 if (nb_input_files > 1)
2823 return get_input_packet_mt(f, pkt);
2825 return av_read_frame(f->ctx, pkt);
2828 static int got_eagain(void)
2831 for (i = 0; i < nb_output_streams; i++)
2832 if (output_streams[i]->unavailable)
2837 static void reset_eagain(void)
2840 for (i = 0; i < nb_input_files; i++)
2841 input_files[i]->eagain = 0;
2842 for (i = 0; i < nb_output_streams; i++)
2843 output_streams[i]->unavailable = 0;
2848 * - 0 -- one packet was read and processed
2849 * - AVERROR(EAGAIN) -- no packets were available for selected file,
2850 * this function should be called again
2851 * - AVERROR_EOF -- this function should not be called again
2853 static int process_input(int file_index)
2855 InputFile *ifile = input_files[file_index];
2856 AVFormatContext *is;
2862 ret = get_input_packet(ifile, &pkt);
2864 if (ret == AVERROR(EAGAIN)) {
2869 if (ret != AVERROR_EOF) {
2870 print_error(is->filename, ret);
2874 ifile->eof_reached = 1;
2876 for (i = 0; i < ifile->nb_streams; i++) {
2877 ist = input_streams[ifile->ist_index + i];
2878 if (ist->decoding_needed)
2879 output_packet(ist, NULL);
2881 /* mark all outputs that don't go through lavfi as finished */
2882 for (j = 0; j < nb_output_streams; j++) {
2883 OutputStream *ost = output_streams[j];
2885 if (ost->source_index == ifile->ist_index + i &&
2886 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
2887 close_output_stream(ost);
2891 return AVERROR(EAGAIN);
2897 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2898 is->streams[pkt.stream_index]);
2900 /* the following test is needed in case new streams appear
2901 dynamically in stream : we ignore them */
2902 if (pkt.stream_index >= ifile->nb_streams) {
2903 report_new_stream(file_index, &pkt);
2904 goto discard_packet;
2907 ist = input_streams[ifile->ist_index + pkt.stream_index];
2909 goto discard_packet;
2912 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
2913 "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",
2914 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
2915 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
2916 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
2917 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
2918 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
2919 av_ts2str(input_files[ist->file_index]->ts_offset),
2920 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
2923 if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
2924 int64_t stime, stime2;
2925 // Correcting starttime based on the enabled streams
2926 // 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.
2927 // so we instead do it here as part of discontinuity handling
2928 if ( ist->next_dts == AV_NOPTS_VALUE
2929 && ifile->ts_offset == -is->start_time
2930 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2931 int64_t new_start_time = INT64_MAX;
2932 for (i=0; i<is->nb_streams; i++) {
2933 AVStream *st = is->streams[i];
2934 if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE)
2936 new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q));
2938 if (new_start_time > is->start_time) {
2939 av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time);
2940 ifile->ts_offset = -new_start_time;
2944 stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base);
2945 stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
2946 ist->wrap_correction_done = 1;
2948 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
2949 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
2950 ist->wrap_correction_done = 0;
2952 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
2953 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
2954 ist->wrap_correction_done = 0;
2958 if (pkt.dts != AV_NOPTS_VALUE)
2959 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2960 if (pkt.pts != AV_NOPTS_VALUE)
2961 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2963 if (pkt.pts != AV_NOPTS_VALUE)
2964 pkt.pts *= ist->ts_scale;
2965 if (pkt.dts != AV_NOPTS_VALUE)
2966 pkt.dts *= ist->ts_scale;
2968 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts == AV_NOPTS_VALUE && !copy_ts
2969 && (is->iformat->flags & AVFMT_TS_DISCONT) && ifile->last_ts != AV_NOPTS_VALUE) {
2970 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2971 int64_t delta = pkt_dts - ifile->last_ts;
2972 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
2973 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
2974 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)){
2975 ifile->ts_offset -= delta;
2976 av_log(NULL, AV_LOG_DEBUG,
2977 "Inter stream timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2978 delta, ifile->ts_offset);
2979 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2980 if (pkt.pts != AV_NOPTS_VALUE)
2981 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2985 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
2987 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2988 int64_t delta = pkt_dts - ist->next_dts;
2989 if (is->iformat->flags & AVFMT_TS_DISCONT) {
2990 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
2991 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
2992 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2993 pkt_dts+1<ist->pts){
2994 ifile->ts_offset -= delta;
2995 av_log(NULL, AV_LOG_DEBUG,
2996 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2997 delta, ifile->ts_offset);
2998 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2999 if (pkt.pts != AV_NOPTS_VALUE)
3000 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3003 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3004 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)
3006 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3007 pkt.dts = AV_NOPTS_VALUE;
3009 if (pkt.pts != AV_NOPTS_VALUE){
3010 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3011 delta = pkt_pts - ist->next_dts;
3012 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3013 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)
3015 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3016 pkt.pts = AV_NOPTS_VALUE;
3022 if (pkt.dts != AV_NOPTS_VALUE)
3023 ifile->last_ts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3026 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",
3027 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
3028 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3029 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3030 av_ts2str(input_files[ist->file_index]->ts_offset),
3031 av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q));
3034 sub2video_heartbeat(ist, pkt.pts);
3036 ret = output_packet(ist, &pkt);
3039 av_strerror(ret, buf, sizeof(buf));
3040 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
3041 ist->file_index, ist->st->index, buf);
3047 av_free_packet(&pkt);
3053 * Perform a step of transcoding for the specified filter graph.
3055 * @param[in] graph filter graph to consider
3056 * @param[out] best_ist input stream where a frame would allow to continue
3057 * @return 0 for success, <0 for error
3059 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
3062 int nb_requests, nb_requests_max = 0;
3063 InputFilter *ifilter;
3067 ret = avfilter_graph_request_oldest(graph->graph);
3069 return reap_filters();
3071 if (ret == AVERROR_EOF) {
3072 ret = reap_filters();
3073 for (i = 0; i < graph->nb_outputs; i++)
3074 close_output_stream(graph->outputs[i]->ost);
3077 if (ret != AVERROR(EAGAIN))
3080 for (i = 0; i < graph->nb_inputs; i++) {
3081 ifilter = graph->inputs[i];
3083 if (input_files[ist->file_index]->eagain ||
3084 input_files[ist->file_index]->eof_reached)
3086 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
3087 if (nb_requests > nb_requests_max) {
3088 nb_requests_max = nb_requests;
3094 for (i = 0; i < graph->nb_outputs; i++)
3095 graph->outputs[i]->ost->unavailable = 1;
3101 * Run a single step of transcoding.
3103 * @return 0 for success, <0 for error
3105 static int transcode_step(void)
3111 ost = choose_output();
3118 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
3123 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
3128 av_assert0(ost->source_index >= 0);
3129 ist = input_streams[ost->source_index];
3132 ret = process_input(ist->file_index);
3133 if (ret == AVERROR(EAGAIN)) {
3134 if (input_files[ist->file_index]->eagain)
3135 ost->unavailable = 1;
3139 return ret == AVERROR_EOF ? 0 : ret;
3141 return reap_filters();
3145 * The following code is the main loop of the file converter
3147 static int transcode(void)
3150 AVFormatContext *os;
3153 int64_t timer_start;
3155 ret = transcode_init();
3159 if (stdin_interaction) {
3160 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3163 timer_start = av_gettime();
3166 if ((ret = init_input_threads()) < 0)
3170 while (!received_sigterm) {
3171 int64_t cur_time= av_gettime();
3173 /* if 'q' pressed, exits */
3174 if (stdin_interaction)
3175 if (check_keyboard_interaction(cur_time) < 0)
3178 /* check if there's any stream where output is still needed */
3179 if (!need_output()) {
3180 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
3184 ret = transcode_step();
3186 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
3189 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
3193 /* dump report by using the output first video and audio streams */
3194 print_report(0, timer_start, cur_time);
3197 free_input_threads();
3200 /* at the end of stream, we must flush the decoder buffers */
3201 for (i = 0; i < nb_input_streams; i++) {
3202 ist = input_streams[i];
3203 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3204 output_packet(ist, NULL);
3211 /* write the trailer if needed and close file */
3212 for (i = 0; i < nb_output_files; i++) {
3213 os = output_files[i]->ctx;
3214 av_write_trailer(os);
3217 /* dump report by using the first video and audio streams */
3218 print_report(1, timer_start, av_gettime());
3220 /* close each encoder */
3221 for (i = 0; i < nb_output_streams; i++) {
3222 ost = output_streams[i];
3223 if (ost->encoding_needed) {
3224 av_freep(&ost->st->codec->stats_in);
3225 avcodec_close(ost->st->codec);
3229 /* close each decoder */
3230 for (i = 0; i < nb_input_streams; i++) {
3231 ist = input_streams[i];
3232 if (ist->decoding_needed) {
3233 avcodec_close(ist->st->codec);
3242 free_input_threads();
3245 if (output_streams) {
3246 for (i = 0; i < nb_output_streams; i++) {
3247 ost = output_streams[i];
3249 if (ost->stream_copy)
3250 av_freep(&ost->st->codec->extradata);
3252 fclose(ost->logfile);
3253 ost->logfile = NULL;
3255 av_freep(&ost->st->codec->subtitle_header);
3256 av_free(ost->forced_kf_pts);
3257 av_dict_free(&ost->opts);
3258 av_dict_free(&ost->swr_opts);
3259 av_dict_free(&ost->resample_opts);
3267 static int64_t getutime(void)
3270 struct rusage rusage;
3272 getrusage(RUSAGE_SELF, &rusage);
3273 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3274 #elif HAVE_GETPROCESSTIMES
3276 FILETIME c, e, k, u;
3277 proc = GetCurrentProcess();
3278 GetProcessTimes(proc, &c, &e, &k, &u);
3279 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3281 return av_gettime();
3285 static int64_t getmaxrss(void)
3287 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3288 struct rusage rusage;
3289 getrusage(RUSAGE_SELF, &rusage);
3290 return (int64_t)rusage.ru_maxrss * 1024;
3291 #elif HAVE_GETPROCESSMEMORYINFO
3293 PROCESS_MEMORY_COUNTERS memcounters;
3294 proc = GetCurrentProcess();
3295 memcounters.cb = sizeof(memcounters);
3296 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3297 return memcounters.PeakPagefileUsage;
3303 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
3307 int main(int argc, char **argv)
3312 atexit(exit_program);
3314 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
3316 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3317 parse_loglevel(argc, argv, options);
3319 if(argc>1 && !strcmp(argv[1], "-d")){
3321 av_log_set_callback(log_callback_null);
3326 avcodec_register_all();
3328 avdevice_register_all();
3330 avfilter_register_all();
3332 avformat_network_init();
3334 show_banner(argc, argv, options);
3338 /* parse options and open all input/output files */
3339 ret = ffmpeg_parse_options(argc, argv);
3343 if (nb_output_files <= 0 && nb_input_files == 0) {
3345 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
3349 /* file converter / grab */
3350 if (nb_output_files <= 0) {
3351 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
3355 // if (nb_input_files == 0) {
3356 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
3360 current_time = ti = getutime();
3361 if (transcode() < 0)
3363 ti = getutime() - ti;
3365 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3367 av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" frames successfully decoded, %"PRIu64" decoding errors\n",
3368 decode_error_stat[0], decode_error_stat[1]);
3369 if (2*decode_error_stat[0] < decode_error_stat[1])
3372 exit(received_nb_signals ? 255 : 0);