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/audioconvert.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/avfiltergraph.h"
68 # include "libavfilter/buffersrc.h"
69 # include "libavfilter/buffersink.h"
71 #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 static void do_video_stats(AVFormatContext *os, OutputStream *ost, int frame_size);
112 static int64_t getutime(void);
114 static int run_as_daemon = 0;
115 static int64_t video_size = 0;
116 static int64_t audio_size = 0;
117 static int64_t subtitle_size = 0;
118 static int64_t extra_size = 0;
119 static int nb_frames_dup = 0;
120 static int nb_frames_drop = 0;
122 static int current_time;
123 AVIOContext *progress_avio = NULL;
125 static uint8_t *subtitle_out;
128 /* signal to input threads that they should exit; set by the main thread */
129 static int transcoding_finished;
132 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
134 InputStream **input_streams = NULL;
135 int nb_input_streams = 0;
136 InputFile **input_files = NULL;
137 int nb_input_files = 0;
139 OutputStream **output_streams = NULL;
140 int nb_output_streams = 0;
141 OutputFile **output_files = NULL;
142 int nb_output_files = 0;
144 FilterGraph **filtergraphs;
149 /* init terminal so that we can grab keys */
150 static struct termios oldtty;
151 static int restore_tty;
156 Convert subtitles to video with alpha to insert them in filter graphs.
157 This is a temporary solution until libavfilter gets real subtitles support.
162 static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
165 uint32_t *pal, *dst2;
169 if (r->type != SUBTITLE_BITMAP) {
170 av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
173 if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
174 av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n");
178 dst += r->y * dst_linesize + r->x * 4;
179 src = r->pict.data[0];
180 pal = (uint32_t *)r->pict.data[1];
181 for (y = 0; y < r->h; y++) {
182 dst2 = (uint32_t *)dst;
184 for (x = 0; x < r->w; x++)
185 *(dst2++) = pal[*(src2++)];
187 src += r->pict.linesize[0];
191 static void sub2video_push_ref(InputStream *ist, int64_t pts)
193 AVFilterBufferRef *ref = ist->sub2video.ref;
196 ist->sub2video.last_pts = ref->pts = pts;
197 for (i = 0; i < ist->nb_filters; i++)
198 av_buffersrc_add_ref(ist->filters[i]->filter,
199 avfilter_ref_buffer(ref, ~0),
200 AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT |
201 AV_BUFFERSRC_FLAG_NO_COPY |
202 AV_BUFFERSRC_FLAG_PUSH);
205 static void sub2video_update(InputStream *ist, AVSubtitle *sub)
207 int w = ist->sub2video.w, h = ist->sub2video.h;
208 AVFilterBufferRef *ref = ist->sub2video.ref;
212 int64_t pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ist->st->time_base);
217 dst_linesize = ref->linesize[0];
218 memset(dst, 0, h * dst_linesize);
219 for (i = 0; i < sub->num_rects; i++)
220 sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]);
221 sub2video_push_ref(ist, pts);
224 static void sub2video_heartbeat(InputStream *ist, int64_t pts)
226 InputFile *infile = input_files[ist->file_index];
230 /* When a frame is read from a file, examine all sub2video streams in
231 the same file and send the sub2video frame again. Otherwise, decoded
232 video frames could be accumulating in the filter graph while a filter
233 (possibly overlay) is desperately waiting for a subtitle frame. */
234 for (i = 0; i < infile->nb_streams; i++) {
235 InputStream *ist2 = input_streams[infile->ist_index + i];
236 if (!ist2->sub2video.ref)
238 /* subtitles seem to be usually muxed ahead of other streams;
239 if not, substracting a larger time here is necessary */
240 pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
241 /* do not send the heartbeat frame if the subtitle is already ahead */
242 if (pts2 <= ist2->sub2video.last_pts)
244 for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
245 nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
247 sub2video_push_ref(ist2, pts2);
251 static void sub2video_flush(InputStream *ist)
255 for (i = 0; i < ist->nb_filters; i++)
256 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
259 /* end of sub2video hack */
263 av_log(NULL, AV_LOG_QUIET, "%s", "");
266 tcsetattr (0, TCSANOW, &oldtty);
270 static volatile int received_sigterm = 0;
271 static volatile int received_nb_signals = 0;
274 sigterm_handler(int sig)
276 received_sigterm = sig;
277 received_nb_signals++;
279 if(received_nb_signals > 3)
290 istty = isatty(0) && isatty(2);
292 if (istty && tcgetattr (0, &tty) == 0) {
297 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
298 |INLCR|IGNCR|ICRNL|IXON);
299 tty.c_oflag |= OPOST;
300 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
301 tty.c_cflag &= ~(CSIZE|PARENB);
306 tcsetattr (0, TCSANOW, &tty);
308 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
311 avformat_network_deinit();
313 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
314 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
316 signal(SIGXCPU, sigterm_handler);
320 /* read a key without blocking */
321 static int read_key(void)
333 n = select(1, &rfds, NULL, NULL, &tv);
342 # if HAVE_PEEKNAMEDPIPE
344 static HANDLE input_handle;
347 input_handle = GetStdHandle(STD_INPUT_HANDLE);
348 is_pipe = !GetConsoleMode(input_handle, &dw);
351 if (stdin->_cnt > 0) {
356 /* When running under a GUI, you will end here. */
357 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL))
374 static int decode_interrupt_cb(void *ctx)
376 return received_nb_signals > 1;
379 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
381 static void exit_program(void)
385 for (i = 0; i < nb_filtergraphs; i++) {
386 avfilter_graph_free(&filtergraphs[i]->graph);
387 for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
388 av_freep(&filtergraphs[i]->inputs[j]->name);
389 av_freep(&filtergraphs[i]->inputs[j]);
391 av_freep(&filtergraphs[i]->inputs);
392 for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
393 av_freep(&filtergraphs[i]->outputs[j]->name);
394 av_freep(&filtergraphs[i]->outputs[j]);
396 av_freep(&filtergraphs[i]->outputs);
397 av_freep(&filtergraphs[i]);
399 av_freep(&filtergraphs);
401 av_freep(&subtitle_out);
404 for (i = 0; i < nb_output_files; i++) {
405 AVFormatContext *s = output_files[i]->ctx;
406 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
408 avformat_free_context(s);
409 av_dict_free(&output_files[i]->opts);
410 av_freep(&output_files[i]);
412 for (i = 0; i < nb_output_streams; i++) {
413 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
415 AVBitStreamFilterContext *next = bsfc->next;
416 av_bitstream_filter_close(bsfc);
419 output_streams[i]->bitstream_filters = NULL;
420 avcodec_free_frame(&output_streams[i]->filtered_frame);
422 av_freep(&output_streams[i]->forced_keyframes);
423 av_freep(&output_streams[i]->avfilter);
424 av_freep(&output_streams[i]->logfile_prefix);
425 av_freep(&output_streams[i]);
427 for (i = 0; i < nb_input_files; i++) {
428 avformat_close_input(&input_files[i]->ctx);
429 av_freep(&input_files[i]);
431 for (i = 0; i < nb_input_streams; i++) {
432 avcodec_free_frame(&input_streams[i]->decoded_frame);
433 av_dict_free(&input_streams[i]->opts);
434 free_buffer_pool(&input_streams[i]->buffer_pool);
435 avfilter_unref_bufferp(&input_streams[i]->sub2video.ref);
436 av_freep(&input_streams[i]->filters);
437 av_freep(&input_streams[i]);
442 av_free(vstats_filename);
444 av_freep(&input_streams);
445 av_freep(&input_files);
446 av_freep(&output_streams);
447 av_freep(&output_files);
452 avformat_network_deinit();
454 if (received_sigterm) {
455 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
456 (int) received_sigterm);
461 void assert_avoptions(AVDictionary *m)
463 AVDictionaryEntry *t;
464 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
465 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
470 static void assert_codec_experimental(AVCodecContext *c, int encoder)
472 const char *codec_string = encoder ? "encoder" : "decoder";
474 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
475 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
476 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
477 "results.\nAdd '-strict experimental' if you want to use it.\n",
478 codec_string, c->codec->name);
479 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
480 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
481 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
482 codec_string, codec->name);
487 static void update_benchmark(const char *fmt, ...)
489 if (do_benchmark_all) {
490 int64_t t = getutime();
496 vsnprintf(buf, sizeof(buf), fmt, va);
498 printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
504 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
506 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
507 AVCodecContext *avctx = ost->st->codec;
510 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
511 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
512 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
514 if ((avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) && pkt->dts != AV_NOPTS_VALUE) {
515 int64_t max = ost->st->cur_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
516 if (ost->st->cur_dts && ost->st->cur_dts != AV_NOPTS_VALUE && max > pkt->dts) {
517 av_log(s, max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG,
518 "st:%d PTS: %"PRId64" DTS: %"PRId64" < %"PRId64" invalid, clipping\n", pkt->stream_index, pkt->pts, pkt->dts, max);
519 if(pkt->pts >= pkt->dts)
520 pkt->pts = FFMAX(pkt->pts, max);
526 * Audio encoders may split the packets -- #frames in != #packets out.
527 * But there is no reordering, so we can limit the number of output packets
528 * by simply dropping them here.
529 * Counting encoded video frames needs to be done separately because of
530 * reordering, see do_video_out()
532 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
533 if (ost->frame_number >= ost->max_frames) {
541 AVPacket new_pkt = *pkt;
542 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
543 &new_pkt.data, &new_pkt.size,
544 pkt->data, pkt->size,
545 pkt->flags & AV_PKT_FLAG_KEY);
546 if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
547 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
549 memcpy(t, new_pkt.data, new_pkt.size);
550 memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
558 new_pkt.destruct = av_destruct_packet;
560 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
561 bsfc->filter->name, pkt->stream_index,
562 avctx->codec ? avctx->codec->name : "copy");
572 pkt->stream_index = ost->index;
575 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
576 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n",
577 av_get_media_type_string(ost->st->codec->codec_type),
578 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
579 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base),
584 ret = av_interleaved_write_frame(s, pkt);
586 print_error("av_interleaved_write_frame()", ret);
591 static void close_output_stream(OutputStream *ost)
593 OutputFile *of = output_files[ost->file_index];
598 for (i = 0; i < of->ctx->nb_streams; i++)
599 output_streams[of->ost_index + i]->finished = 1;
603 static int check_recording_time(OutputStream *ost)
605 OutputFile *of = output_files[ost->file_index];
607 if (of->recording_time != INT64_MAX &&
608 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
609 AV_TIME_BASE_Q) >= 0) {
610 close_output_stream(ost);
616 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
619 AVCodecContext *enc = ost->st->codec;
623 av_init_packet(&pkt);
627 if (!check_recording_time(ost))
630 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
631 frame->pts = ost->sync_opts;
632 ost->sync_opts = frame->pts + frame->nb_samples;
634 av_assert0(pkt.size || !pkt.data);
635 update_benchmark(NULL);
636 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
637 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
640 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
643 if (pkt.pts != AV_NOPTS_VALUE)
644 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
645 if (pkt.dts != AV_NOPTS_VALUE)
646 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
647 if (pkt.duration > 0)
648 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
651 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
652 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
653 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
654 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
657 audio_size += pkt.size;
658 write_frame(s, &pkt, ost);
660 av_free_packet(&pkt);
664 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
668 AVPicture picture_tmp;
671 dec = ist->st->codec;
673 /* deinterlace : must be done before any resize */
674 if (do_deinterlace) {
677 /* create temporary picture */
678 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
679 buf = av_malloc(size);
683 picture2 = &picture_tmp;
684 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
686 if (avpicture_deinterlace(picture2, picture,
687 dec->pix_fmt, dec->width, dec->height) < 0) {
688 /* if error, do not deinterlace */
689 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
698 if (picture != picture2)
699 *picture = *picture2;
703 static void do_subtitle_out(AVFormatContext *s,
708 int subtitle_out_max_size = 1024 * 1024;
709 int subtitle_out_size, nb, i;
714 if (sub->pts == AV_NOPTS_VALUE) {
715 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
721 enc = ost->st->codec;
724 subtitle_out = av_malloc(subtitle_out_max_size);
727 /* Note: DVB subtitle need one packet to draw them and one other
728 packet to clear them */
729 /* XXX: signal it in the codec context ? */
730 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
735 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
736 pts = sub->pts - output_files[ost->file_index]->start_time;
737 for (i = 0; i < nb; i++) {
738 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
739 if (!check_recording_time(ost))
743 // start_display_time is required to be 0
744 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
745 sub->end_display_time -= sub->start_display_time;
746 sub->start_display_time = 0;
749 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
750 subtitle_out_max_size, sub);
751 if (subtitle_out_size < 0) {
752 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
756 av_init_packet(&pkt);
757 pkt.data = subtitle_out;
758 pkt.size = subtitle_out_size;
759 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
760 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
761 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
762 /* XXX: the pts correction is handled here. Maybe handling
763 it in the codec would be better */
765 pkt.pts += 90 * sub->start_display_time;
767 pkt.pts += 90 * sub->end_display_time;
769 subtitle_size += pkt.size;
770 write_frame(s, &pkt, ost);
774 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) : 1;
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 pkt.data = (uint8_t *)in_picture;
860 pkt.size = sizeof(AVPicture);
861 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
862 pkt.flags |= AV_PKT_FLAG_KEY;
864 video_size += pkt.size;
865 write_frame(s, &pkt, ost);
870 big_picture = *in_picture;
871 /* better than nothing: use input picture interlaced
873 big_picture.interlaced_frame = in_picture->interlaced_frame;
874 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
875 if (ost->top_field_first == -1)
876 big_picture.top_field_first = in_picture->top_field_first;
878 big_picture.top_field_first = !!ost->top_field_first;
881 /* handles same_quant here. This is not correct because it may
882 not be a global option */
883 big_picture.quality = quality;
884 if (!enc->me_threshold)
885 big_picture.pict_type = 0;
886 if (ost->forced_kf_index < ost->forced_kf_count &&
887 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
888 big_picture.pict_type = AV_PICTURE_TYPE_I;
889 ost->forced_kf_index++;
891 update_benchmark(NULL);
892 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
893 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
895 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
900 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
901 pkt.pts = ost->sync_opts;
903 if (pkt.pts != AV_NOPTS_VALUE)
904 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
905 if (pkt.dts != AV_NOPTS_VALUE)
906 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
909 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
910 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
911 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
912 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
915 frame_size = pkt.size;
916 video_size += pkt.size;
917 write_frame(s, &pkt, ost);
918 av_free_packet(&pkt);
920 /* if two pass, output log */
921 if (ost->logfile && enc->stats_out) {
922 fprintf(ost->logfile, "%s", enc->stats_out);
928 * For video, number of frames in == number of packets out.
929 * But there may be reordering, so we can't throw away frames on encoder
930 * flush, we need to limit them here, before they go into encoder.
935 if (vstats_filename && frame_size)
936 do_video_stats(output_files[ost->file_index]->ctx, ost, frame_size);
939 static double psnr(double d)
941 return -10.0 * log(d) / log(10.0);
944 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
949 double ti1, bitrate, avg_bitrate;
951 /* this is executed just the first time do_video_stats is called */
953 vstats_file = fopen(vstats_filename, "w");
960 enc = ost->st->codec;
961 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
962 frame_number = ost->frame_number;
963 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
964 if (enc->flags&CODEC_FLAG_PSNR)
965 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
967 fprintf(vstats_file,"f_size= %6d ", frame_size);
968 /* compute pts value */
969 ti1 = ost->sync_opts * av_q2d(enc->time_base);
973 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
974 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
975 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
976 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
977 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
982 * Get and encode new output from any of the filtergraphs, without causing
985 * @return 0 for success, <0 for severe errors
987 static int reap_filters(void)
989 AVFilterBufferRef *picref;
990 AVFrame *filtered_frame = NULL;
994 /* Reap all buffers present in the buffer sinks */
995 for (i = 0; i < nb_output_streams; i++) {
996 OutputStream *ost = output_streams[i];
997 OutputFile *of = output_files[ost->file_index];
1003 if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
1004 return AVERROR(ENOMEM);
1006 avcodec_get_frame_defaults(ost->filtered_frame);
1007 filtered_frame = ost->filtered_frame;
1010 ret = av_buffersink_get_buffer_ref(ost->filter->filter, &picref,
1011 AV_BUFFERSINK_FLAG_NO_REQUEST);
1013 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1015 av_strerror(ret, buf, sizeof(buf));
1016 av_log(NULL, AV_LOG_WARNING,
1017 "Error in av_buffersink_get_buffer_ref(): %s\n", buf);
1021 frame_pts = AV_NOPTS_VALUE;
1022 if (picref->pts != AV_NOPTS_VALUE) {
1023 filtered_frame->pts = frame_pts = av_rescale_q(picref->pts,
1024 ost->filter->filter->inputs[0]->time_base,
1025 ost->st->codec->time_base) -
1026 av_rescale_q(of->start_time,
1028 ost->st->codec->time_base);
1030 if (of->start_time && filtered_frame->pts < 0) {
1031 avfilter_unref_buffer(picref);
1035 //if (ost->source_index >= 0)
1036 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1039 switch (ost->filter->filter->inputs[0]->type) {
1040 case AVMEDIA_TYPE_VIDEO:
1041 avfilter_copy_buf_props(filtered_frame, picref);
1042 filtered_frame->pts = frame_pts;
1043 if (!ost->frame_aspect_ratio)
1044 ost->st->codec->sample_aspect_ratio = picref->video->sample_aspect_ratio;
1046 do_video_out(of->ctx, ost, filtered_frame,
1047 same_quant ? ost->last_quality :
1048 ost->st->codec->global_quality);
1050 case AVMEDIA_TYPE_AUDIO:
1051 avfilter_copy_buf_props(filtered_frame, picref);
1052 filtered_frame->pts = frame_pts;
1053 do_audio_out(of->ctx, ost, filtered_frame);
1056 // TODO support subtitle filters
1060 avfilter_unref_buffer(picref);
1067 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1070 AVBPrint buf_script;
1072 AVFormatContext *oc;
1074 AVCodecContext *enc;
1075 int frame_number, vid, i;
1077 int64_t pts = INT64_MIN;
1078 static int64_t last_time = -1;
1079 static int qp_histogram[52];
1080 int hours, mins, secs, us;
1082 if (!print_stats && !is_last_report && !progress_avio)
1085 if (!is_last_report) {
1086 if (last_time == -1) {
1087 last_time = cur_time;
1090 if ((cur_time - last_time) < 500000)
1092 last_time = cur_time;
1096 oc = output_files[0]->ctx;
1098 total_size = avio_size(oc->pb);
1099 if (total_size < 0) { // FIXME improve avio_size() so it works with non seekable output too
1100 total_size = avio_tell(oc->pb);
1107 av_bprint_init(&buf_script, 0, 1);
1108 for (i = 0; i < nb_output_streams; i++) {
1110 ost = output_streams[i];
1111 enc = ost->st->codec;
1112 if (!ost->stream_copy && enc->coded_frame)
1113 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1114 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1115 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1116 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1117 ost->file_index, ost->index, q);
1119 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1120 float fps, t = (cur_time-timer_start) / 1000000.0;
1122 frame_number = ost->frame_number;
1123 fps = t > 1 ? frame_number / t : 0;
1124 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1125 frame_number, fps < 9.95, fps, q);
1126 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1127 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1128 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1129 ost->file_index, ost->index, q);
1131 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1135 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1137 for (j = 0; j < 32; j++)
1138 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
1140 if (enc->flags&CODEC_FLAG_PSNR) {
1142 double error, error_sum = 0;
1143 double scale, scale_sum = 0;
1145 char type[3] = { 'Y','U','V' };
1146 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1147 for (j = 0; j < 3; j++) {
1148 if (is_last_report) {
1149 error = enc->error[j];
1150 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1152 error = enc->coded_frame->error[j];
1153 scale = enc->width * enc->height * 255.0 * 255.0;
1159 p = psnr(error / scale);
1160 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1161 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1162 ost->file_index, ost->index, type[i] | 32, p);
1164 p = psnr(error_sum / scale_sum);
1165 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1166 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1167 ost->file_index, ost->index, p);
1171 /* compute min output value */
1172 if ((is_last_report || !ost->finished) && ost->st->pts.val != AV_NOPTS_VALUE)
1173 pts = FFMAX(pts, av_rescale_q(ost->st->pts.val,
1174 ost->st->time_base, AV_TIME_BASE_Q));
1177 secs = pts / AV_TIME_BASE;
1178 us = pts % AV_TIME_BASE;
1184 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1186 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1187 "size=%8.0fkB time=", total_size / 1024.0);
1188 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1189 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1190 (100 * us) / AV_TIME_BASE);
1191 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1192 "bitrate=%6.1fkbits/s", bitrate);
1193 av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1194 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1195 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1196 hours, mins, secs, us);
1198 if (nb_frames_dup || nb_frames_drop)
1199 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1200 nb_frames_dup, nb_frames_drop);
1201 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1202 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1204 if (print_stats || is_last_report) {
1205 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1210 if (progress_avio) {
1211 av_bprintf(&buf_script, "progress=%s\n",
1212 is_last_report ? "end" : "continue");
1213 avio_write(progress_avio, buf_script.str,
1214 FFMIN(buf_script.len, buf_script.size - 1));
1215 avio_flush(progress_avio);
1216 av_bprint_finalize(&buf_script, NULL);
1217 if (is_last_report) {
1218 avio_close(progress_avio);
1219 progress_avio = NULL;
1223 if (is_last_report) {
1224 int64_t raw= audio_size + video_size + subtitle_size + extra_size;
1225 av_log(NULL, AV_LOG_INFO, "\n");
1226 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0f global headers:%1.0fkB muxing overhead %f%%\n",
1227 video_size / 1024.0,
1228 audio_size / 1024.0,
1229 subtitle_size / 1024.0,
1230 extra_size / 1024.0,
1231 100.0 * (total_size - raw) / raw
1233 if(video_size + audio_size + subtitle_size + extra_size == 0){
1234 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1239 static void flush_encoders(void)
1243 for (i = 0; i < nb_output_streams; i++) {
1244 OutputStream *ost = output_streams[i];
1245 AVCodecContext *enc = ost->st->codec;
1246 AVFormatContext *os = output_files[ost->file_index]->ctx;
1247 int stop_encoding = 0;
1249 if (!ost->encoding_needed)
1252 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1254 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1258 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1262 switch (ost->st->codec->codec_type) {
1263 case AVMEDIA_TYPE_AUDIO:
1264 encode = avcodec_encode_audio2;
1268 case AVMEDIA_TYPE_VIDEO:
1269 encode = avcodec_encode_video2;
1280 av_init_packet(&pkt);
1284 update_benchmark(NULL);
1285 ret = encode(enc, &pkt, NULL, &got_packet);
1286 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1288 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1292 if (ost->logfile && enc->stats_out) {
1293 fprintf(ost->logfile, "%s", enc->stats_out);
1299 if (pkt.pts != AV_NOPTS_VALUE)
1300 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1301 if (pkt.dts != AV_NOPTS_VALUE)
1302 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1303 write_frame(os, &pkt, ost);
1313 * Check whether a packet from ist should be written into ost at this time
1315 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1317 OutputFile *of = output_files[ost->file_index];
1318 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1320 if (ost->source_index != ist_index)
1323 if (of->start_time && ist->pts < of->start_time)
1329 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1331 OutputFile *of = output_files[ost->file_index];
1332 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1336 av_init_packet(&opkt);
1338 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1339 !ost->copy_initial_nonkeyframes)
1342 if (!ost->frame_number && ist->pts < of->start_time &&
1343 !ost->copy_prior_start)
1346 if (of->recording_time != INT64_MAX &&
1347 ist->pts >= of->recording_time + of->start_time) {
1348 close_output_stream(ost);
1352 /* force the input stream PTS */
1353 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1354 audio_size += pkt->size;
1355 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1356 video_size += pkt->size;
1358 } else if (ost->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1359 subtitle_size += pkt->size;
1362 if (pkt->pts != AV_NOPTS_VALUE)
1363 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1365 opkt.pts = AV_NOPTS_VALUE;
1367 if (pkt->dts == AV_NOPTS_VALUE)
1368 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1370 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1371 opkt.dts -= ost_tb_start_time;
1373 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1374 opkt.flags = pkt->flags;
1376 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1377 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
1378 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1379 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1380 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
1382 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1383 opkt.destruct = av_destruct_packet;
1385 opkt.data = pkt->data;
1386 opkt.size = pkt->size;
1389 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1390 /* store AVPicture in AVPacket, as expected by the output format */
1391 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1392 opkt.data = (uint8_t *)&pict;
1393 opkt.size = sizeof(AVPicture);
1394 opkt.flags |= AV_PKT_FLAG_KEY;
1397 write_frame(of->ctx, &opkt, ost);
1398 ost->st->codec->frame_number++;
1399 av_free_packet(&opkt);
1402 static void rate_emu_sleep(InputStream *ist)
1404 if (input_files[ist->file_index]->rate_emu) {
1405 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
1406 int64_t now = av_gettime() - ist->start;
1408 av_usleep(pts - now);
1412 int guess_input_channel_layout(InputStream *ist)
1414 AVCodecContext *dec = ist->st->codec;
1416 if (!dec->channel_layout) {
1417 char layout_name[256];
1419 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1420 if (!dec->channel_layout)
1422 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1423 dec->channels, dec->channel_layout);
1424 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1425 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1430 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1432 AVFrame *decoded_frame;
1433 AVCodecContext *avctx = ist->st->codec;
1434 int i, ret, resample_changed;
1435 AVRational decoded_frame_tb;
1437 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1438 return AVERROR(ENOMEM);
1440 avcodec_get_frame_defaults(ist->decoded_frame);
1441 decoded_frame = ist->decoded_frame;
1443 update_benchmark(NULL);
1444 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1445 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1447 if (ret >= 0 && avctx->sample_rate <= 0) {
1448 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1449 ret = AVERROR_INVALIDDATA;
1452 if (!*got_output || ret < 0) {
1454 for (i = 0; i < ist->nb_filters; i++)
1455 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1461 /* increment next_dts to use for the case where the input stream does not
1462 have timestamps or there are multiple frames in the packet */
1463 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1465 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1469 rate_emu_sleep(ist);
1471 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1472 ist->resample_channels != avctx->channels ||
1473 ist->resample_channel_layout != decoded_frame->channel_layout ||
1474 ist->resample_sample_rate != decoded_frame->sample_rate;
1475 if (resample_changed) {
1476 char layout1[64], layout2[64];
1478 if (!guess_input_channel_layout(ist)) {
1479 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1480 "layout for Input Stream #%d.%d\n", ist->file_index,
1484 decoded_frame->channel_layout = avctx->channel_layout;
1486 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1487 ist->resample_channel_layout);
1488 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1489 decoded_frame->channel_layout);
1491 av_log(NULL, AV_LOG_INFO,
1492 "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",
1493 ist->file_index, ist->st->index,
1494 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1495 ist->resample_channels, layout1,
1496 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1497 avctx->channels, layout2);
1499 ist->resample_sample_fmt = decoded_frame->format;
1500 ist->resample_sample_rate = decoded_frame->sample_rate;
1501 ist->resample_channel_layout = decoded_frame->channel_layout;
1502 ist->resample_channels = avctx->channels;
1504 for (i = 0; i < nb_filtergraphs; i++)
1505 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1506 FilterGraph *fg = filtergraphs[i];
1508 if (configure_filtergraph(fg) < 0) {
1509 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1512 for (j = 0; j < fg->nb_outputs; j++) {
1513 OutputStream *ost = fg->outputs[j]->ost;
1514 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
1515 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
1516 av_buffersink_set_frame_size(ost->filter->filter,
1517 ost->st->codec->frame_size);
1522 /* if the decoder provides a pts, use it instead of the last packet pts.
1523 the decoder could be delaying output by a packet or more. */
1524 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1525 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1526 decoded_frame_tb = avctx->time_base;
1527 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1528 decoded_frame->pts = decoded_frame->pkt_pts;
1529 pkt->pts = AV_NOPTS_VALUE;
1530 decoded_frame_tb = ist->st->time_base;
1531 } else if (pkt->pts != AV_NOPTS_VALUE) {
1532 decoded_frame->pts = pkt->pts;
1533 pkt->pts = AV_NOPTS_VALUE;
1534 decoded_frame_tb = ist->st->time_base;
1536 decoded_frame->pts = ist->dts;
1537 decoded_frame_tb = AV_TIME_BASE_Q;
1539 if (decoded_frame->pts != AV_NOPTS_VALUE)
1540 decoded_frame->pts = av_rescale_q(decoded_frame->pts,
1542 (AVRational){1, ist->st->codec->sample_rate});
1543 for (i = 0; i < ist->nb_filters; i++)
1544 av_buffersrc_add_frame(ist->filters[i]->filter, decoded_frame,
1545 AV_BUFFERSRC_FLAG_PUSH);
1547 decoded_frame->pts = AV_NOPTS_VALUE;
1552 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1554 AVFrame *decoded_frame;
1555 void *buffer_to_free = NULL;
1556 int i, ret = 0, resample_changed;
1557 int64_t best_effort_timestamp;
1558 AVRational *frame_sample_aspect;
1561 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1562 return AVERROR(ENOMEM);
1564 avcodec_get_frame_defaults(ist->decoded_frame);
1565 decoded_frame = ist->decoded_frame;
1566 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1568 update_benchmark(NULL);
1569 ret = avcodec_decode_video2(ist->st->codec,
1570 decoded_frame, got_output, pkt);
1571 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1572 if (!*got_output || ret < 0) {
1574 for (i = 0; i < ist->nb_filters; i++)
1575 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1580 quality = same_quant ? decoded_frame->quality : 0;
1582 if(ist->top_field_first>=0)
1583 decoded_frame->top_field_first = ist->top_field_first;
1585 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
1586 if(best_effort_timestamp != AV_NOPTS_VALUE)
1587 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
1590 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
1591 "frame_pts:%s frame_pts_time:%s best_effort_ts:%"PRId64" best_effort_ts_time:%s keyframe:%d frame_type:%d \n",
1592 ist->st->index, av_ts2str(decoded_frame->pts),
1593 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
1594 best_effort_timestamp,
1595 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
1596 decoded_frame->key_frame, decoded_frame->pict_type);
1600 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1602 rate_emu_sleep(ist);
1604 if (ist->st->sample_aspect_ratio.num)
1605 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1607 resample_changed = ist->resample_width != decoded_frame->width ||
1608 ist->resample_height != decoded_frame->height ||
1609 ist->resample_pix_fmt != decoded_frame->format;
1610 if (resample_changed) {
1611 av_log(NULL, AV_LOG_INFO,
1612 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1613 ist->file_index, ist->st->index,
1614 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1615 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1617 ist->resample_width = decoded_frame->width;
1618 ist->resample_height = decoded_frame->height;
1619 ist->resample_pix_fmt = decoded_frame->format;
1621 for (i = 0; i < nb_filtergraphs; i++)
1622 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1623 configure_filtergraph(filtergraphs[i]) < 0) {
1624 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1629 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
1630 for (i = 0; i < ist->nb_filters; i++) {
1631 int changed = ist->st->codec->width != ist->filters[i]->filter->outputs[0]->w
1632 || ist->st->codec->height != ist->filters[i]->filter->outputs[0]->h
1633 || ist->st->codec->pix_fmt != ist->filters[i]->filter->outputs[0]->format;
1634 // XXX what an ugly hack
1635 if (ist->filters[i]->graph->nb_outputs == 1)
1636 ist->filters[i]->graph->outputs[0]->ost->last_quality = quality;
1638 if (!frame_sample_aspect->num)
1639 *frame_sample_aspect = ist->st->sample_aspect_ratio;
1640 if (ist->dr1 && decoded_frame->type==FF_BUFFER_TYPE_USER && !changed) {
1641 FrameBuffer *buf = decoded_frame->opaque;
1642 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
1643 decoded_frame->data, decoded_frame->linesize,
1644 AV_PERM_READ | AV_PERM_PRESERVE,
1645 ist->st->codec->width, ist->st->codec->height,
1646 ist->st->codec->pix_fmt);
1648 avfilter_copy_frame_props(fb, decoded_frame);
1649 fb->buf->priv = buf;
1650 fb->buf->free = filter_release_buffer;
1652 av_assert0(buf->refcount>0);
1654 av_buffersrc_add_ref(ist->filters[i]->filter, fb,
1655 AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT |
1656 AV_BUFFERSRC_FLAG_NO_COPY |
1657 AV_BUFFERSRC_FLAG_PUSH);
1659 if(av_buffersrc_add_frame(ist->filters[i]->filter, decoded_frame, AV_BUFFERSRC_FLAG_PUSH)<0) {
1660 av_log(NULL, AV_LOG_FATAL, "Failed to inject frame into filter network\n");
1666 av_free(buffer_to_free);
1670 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1672 AVSubtitle subtitle;
1673 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1674 &subtitle, got_output, pkt);
1675 if (ret < 0 || !*got_output) {
1677 sub2video_flush(ist);
1681 if (ist->fix_sub_duration) {
1682 if (ist->prev_sub.got_output) {
1683 int end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
1684 1000, AV_TIME_BASE);
1685 if (end < ist->prev_sub.subtitle.end_display_time) {
1686 av_log(ist->st->codec, AV_LOG_DEBUG,
1687 "Subtitle duration reduced from %d to %d\n",
1688 ist->prev_sub.subtitle.end_display_time, end);
1689 ist->prev_sub.subtitle.end_display_time = end;
1692 FFSWAP(int, *got_output, ist->prev_sub.got_output);
1693 FFSWAP(int, ret, ist->prev_sub.ret);
1694 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
1697 sub2video_update(ist, &subtitle);
1699 if (!*got_output || !subtitle.num_rects)
1702 rate_emu_sleep(ist);
1704 for (i = 0; i < nb_output_streams; i++) {
1705 OutputStream *ost = output_streams[i];
1707 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1710 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
1713 avsubtitle_free(&subtitle);
1717 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1718 static int output_packet(InputStream *ist, const AVPacket *pkt)
1724 if (!ist->saw_first_ts) {
1725 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;
1727 if (pkt != NULL && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
1728 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1729 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
1731 ist->saw_first_ts = 1;
1734 if (ist->next_dts == AV_NOPTS_VALUE)
1735 ist->next_dts = ist->dts;
1736 if (ist->next_pts == AV_NOPTS_VALUE)
1737 ist->next_pts = ist->pts;
1741 av_init_packet(&avpkt);
1749 if (pkt->dts != AV_NOPTS_VALUE) {
1750 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1751 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
1752 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1755 // while we have more to decode or while the decoder did output something on EOF
1756 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
1760 ist->pts = ist->next_pts;
1761 ist->dts = ist->next_dts;
1763 if (avpkt.size && avpkt.size != pkt->size) {
1764 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1765 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1766 ist->showed_multi_packet_warning = 1;
1769 switch (ist->st->codec->codec_type) {
1770 case AVMEDIA_TYPE_AUDIO:
1771 ret = decode_audio (ist, &avpkt, &got_output);
1773 case AVMEDIA_TYPE_VIDEO:
1774 ret = decode_video (ist, &avpkt, &got_output);
1775 if (avpkt.duration) {
1776 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
1777 } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
1778 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1779 duration = ((int64_t)AV_TIME_BASE *
1780 ist->st->codec->time_base.num * ticks) /
1781 ist->st->codec->time_base.den;
1785 if(ist->dts != AV_NOPTS_VALUE && duration) {
1786 ist->next_dts += duration;
1788 ist->next_dts = AV_NOPTS_VALUE;
1791 ist->next_pts += duration; //FIXME the duration is not correct in some cases
1793 case AVMEDIA_TYPE_SUBTITLE:
1794 ret = transcode_subtitles(ist, &avpkt, &got_output);
1804 avpkt.pts= AV_NOPTS_VALUE;
1806 // touch data and size only if not EOF
1808 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
1818 /* handle stream copy */
1819 if (!ist->decoding_needed) {
1820 rate_emu_sleep(ist);
1821 ist->dts = ist->next_dts;
1822 switch (ist->st->codec->codec_type) {
1823 case AVMEDIA_TYPE_AUDIO:
1824 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1825 ist->st->codec->sample_rate;
1827 case AVMEDIA_TYPE_VIDEO:
1828 if (pkt->duration) {
1829 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
1830 } else if(ist->st->codec->time_base.num != 0) {
1831 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
1832 ist->next_dts += ((int64_t)AV_TIME_BASE *
1833 ist->st->codec->time_base.num * ticks) /
1834 ist->st->codec->time_base.den;
1838 ist->pts = ist->dts;
1839 ist->next_pts = ist->next_dts;
1841 for (i = 0; pkt && i < nb_output_streams; i++) {
1842 OutputStream *ost = output_streams[i];
1844 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1847 do_streamcopy(ist, ost, pkt);
1853 static void print_sdp(void)
1857 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
1861 for (i = 0; i < nb_output_files; i++)
1862 avc[i] = output_files[i]->ctx;
1864 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
1865 printf("SDP:\n%s\n", sdp);
1870 static int init_input_stream(int ist_index, char *error, int error_len)
1872 InputStream *ist = input_streams[ist_index];
1874 if (ist->decoding_needed) {
1875 AVCodec *codec = ist->dec;
1877 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
1878 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
1879 return AVERROR(EINVAL);
1882 ist->dr1 = (codec->capabilities & CODEC_CAP_DR1) && !do_deinterlace;
1883 if (codec->type == AVMEDIA_TYPE_VIDEO && ist->dr1) {
1884 ist->st->codec->get_buffer = codec_get_buffer;
1885 ist->st->codec->release_buffer = codec_release_buffer;
1886 ist->st->codec->opaque = &ist->buffer_pool;
1889 if (!av_dict_get(ist->opts, "threads", NULL, 0))
1890 av_dict_set(&ist->opts, "threads", "auto", 0);
1891 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1892 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
1893 ist->file_index, ist->st->index);
1894 return AVERROR(EINVAL);
1896 assert_codec_experimental(ist->st->codec, 0);
1897 assert_avoptions(ist->opts);
1900 ist->next_pts = AV_NOPTS_VALUE;
1901 ist->next_dts = AV_NOPTS_VALUE;
1907 static InputStream *get_input_stream(OutputStream *ost)
1909 if (ost->source_index >= 0)
1910 return input_streams[ost->source_index];
1914 static void parse_forced_key_frames(char *kf, OutputStream *ost,
1915 AVCodecContext *avctx)
1921 for (p = kf; *p; p++)
1924 ost->forced_kf_count = n;
1925 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1926 if (!ost->forced_kf_pts) {
1927 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1932 for (i = 0; i < n; i++) {
1933 char *next = strchr(p, ',');
1938 t = parse_time_or_die("force_key_frames", p, 1);
1939 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1945 static void report_new_stream(int input_index, AVPacket *pkt)
1947 InputFile *file = input_files[input_index];
1948 AVStream *st = file->ctx->streams[pkt->stream_index];
1950 if (pkt->stream_index < file->nb_streams_warn)
1952 av_log(file->ctx, AV_LOG_WARNING,
1953 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
1954 av_get_media_type_string(st->codec->codec_type),
1955 input_index, pkt->stream_index,
1956 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
1957 file->nb_streams_warn = pkt->stream_index + 1;
1960 static int transcode_init(void)
1962 int ret = 0, i, j, k;
1963 AVFormatContext *oc;
1964 AVCodecContext *codec;
1970 /* init framerate emulation */
1971 for (i = 0; i < nb_input_files; i++) {
1972 InputFile *ifile = input_files[i];
1973 if (ifile->rate_emu)
1974 for (j = 0; j < ifile->nb_streams; j++)
1975 input_streams[j + ifile->ist_index]->start = av_gettime();
1978 /* output stream init */
1979 for (i = 0; i < nb_output_files; i++) {
1980 oc = output_files[i]->ctx;
1981 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
1982 av_dump_format(oc, i, oc->filename, 1);
1983 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
1984 return AVERROR(EINVAL);
1988 /* init complex filtergraphs */
1989 for (i = 0; i < nb_filtergraphs; i++)
1990 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
1993 /* for each output stream, we compute the right encoding parameters */
1994 for (i = 0; i < nb_output_streams; i++) {
1995 AVCodecContext *icodec = NULL;
1996 ost = output_streams[i];
1997 oc = output_files[ost->file_index]->ctx;
1998 ist = get_input_stream(ost);
2000 if (ost->attachment_filename)
2003 codec = ost->st->codec;
2006 icodec = ist->st->codec;
2008 ost->st->disposition = ist->st->disposition;
2009 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2010 codec->chroma_sample_location = icodec->chroma_sample_location;
2013 if (ost->stream_copy) {
2014 uint64_t extra_size;
2016 av_assert0(ist && !ost->filter);
2018 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2020 if (extra_size > INT_MAX) {
2021 return AVERROR(EINVAL);
2024 /* if stream_copy is selected, no need to decode or encode */
2025 codec->codec_id = icodec->codec_id;
2026 codec->codec_type = icodec->codec_type;
2028 if (!codec->codec_tag) {
2029 if (!oc->oformat->codec_tag ||
2030 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2031 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2032 codec->codec_tag = icodec->codec_tag;
2035 codec->bit_rate = icodec->bit_rate;
2036 codec->rc_max_rate = icodec->rc_max_rate;
2037 codec->rc_buffer_size = icodec->rc_buffer_size;
2038 codec->field_order = icodec->field_order;
2039 codec->extradata = av_mallocz(extra_size);
2040 if (!codec->extradata) {
2041 return AVERROR(ENOMEM);
2043 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2044 codec->extradata_size= icodec->extradata_size;
2045 codec->bits_per_coded_sample = icodec->bits_per_coded_sample;
2047 codec->time_base = ist->st->time_base;
2049 * Avi is a special case here because it supports variable fps but
2050 * having the fps and timebase differe significantly adds quite some
2053 if(!strcmp(oc->oformat->name, "avi")) {
2054 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2055 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2056 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(icodec->time_base)
2057 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(icodec->time_base) < 1.0/500
2059 codec->time_base.num = ist->st->r_frame_rate.den;
2060 codec->time_base.den = 2*ist->st->r_frame_rate.num;
2061 codec->ticks_per_frame = 2;
2062 } else if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2063 && av_q2d(ist->st->time_base) < 1.0/500
2065 codec->time_base = icodec->time_base;
2066 codec->time_base.num *= icodec->ticks_per_frame;
2067 codec->time_base.den *= 2;
2068 codec->ticks_per_frame = 2;
2070 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2071 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2072 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2073 && strcmp(oc->oformat->name, "f4v")
2075 if( copy_tb<0 && icodec->time_base.den
2076 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2077 && av_q2d(ist->st->time_base) < 1.0/500
2079 codec->time_base = icodec->time_base;
2080 codec->time_base.num *= icodec->ticks_per_frame;
2084 if(ost->frame_rate.num)
2085 codec->time_base = av_inv_q(ost->frame_rate);
2087 av_reduce(&codec->time_base.num, &codec->time_base.den,
2088 codec->time_base.num, codec->time_base.den, INT_MAX);
2090 switch (codec->codec_type) {
2091 case AVMEDIA_TYPE_AUDIO:
2092 if (audio_volume != 256) {
2093 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2096 codec->channel_layout = icodec->channel_layout;
2097 codec->sample_rate = icodec->sample_rate;
2098 codec->channels = icodec->channels;
2099 codec->frame_size = icodec->frame_size;
2100 codec->audio_service_type = icodec->audio_service_type;
2101 codec->block_align = icodec->block_align;
2102 if((codec->block_align == 1 || codec->block_align == 1152) && codec->codec_id == AV_CODEC_ID_MP3)
2103 codec->block_align= 0;
2104 if(codec->codec_id == AV_CODEC_ID_AC3)
2105 codec->block_align= 0;
2107 case AVMEDIA_TYPE_VIDEO:
2108 codec->pix_fmt = icodec->pix_fmt;
2109 codec->width = icodec->width;
2110 codec->height = icodec->height;
2111 codec->has_b_frames = icodec->has_b_frames;
2112 if (!codec->sample_aspect_ratio.num) {
2113 codec->sample_aspect_ratio =
2114 ost->st->sample_aspect_ratio =
2115 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2116 ist->st->codec->sample_aspect_ratio.num ?
2117 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2119 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2121 case AVMEDIA_TYPE_SUBTITLE:
2122 codec->width = icodec->width;
2123 codec->height = icodec->height;
2125 case AVMEDIA_TYPE_DATA:
2126 case AVMEDIA_TYPE_ATTACHMENT:
2133 ost->enc = avcodec_find_encoder(codec->codec_id);
2135 /* should only happen when a default codec is not present. */
2136 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2137 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2138 ret = AVERROR(EINVAL);
2143 ist->decoding_needed++;
2144 ost->encoding_needed = 1;
2147 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2148 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
2150 fg = init_simple_filtergraph(ist, ost);
2151 if (configure_filtergraph(fg)) {
2152 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2157 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2158 if (ost->filter && !ost->frame_rate.num)
2159 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2160 if (ist && !ost->frame_rate.num)
2161 ost->frame_rate = ist->framerate;
2162 if (ist && !ost->frame_rate.num)
2163 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1};
2164 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2165 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2166 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2167 ost->frame_rate = ost->enc->supported_framerates[idx];
2171 switch (codec->codec_type) {
2172 case AVMEDIA_TYPE_AUDIO:
2173 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
2174 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2175 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2176 codec->channels = av_get_channel_layout_nb_channels(codec->channel_layout);
2177 codec->time_base = (AVRational){ 1, codec->sample_rate };
2179 case AVMEDIA_TYPE_VIDEO:
2180 codec->time_base = av_inv_q(ost->frame_rate);
2181 if (ost->filter && !(codec->time_base.num && codec->time_base.den))
2182 codec->time_base = ost->filter->filter->inputs[0]->time_base;
2183 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2184 && (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2185 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2186 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2188 for (j = 0; j < ost->forced_kf_count; j++)
2189 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2193 codec->width = ost->filter->filter->inputs[0]->w;
2194 codec->height = ost->filter->filter->inputs[0]->h;
2195 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2196 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
2197 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
2198 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2199 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
2202 codec->width != icodec->width ||
2203 codec->height != icodec->height ||
2204 codec->pix_fmt != icodec->pix_fmt) {
2205 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
2208 if (ost->forced_keyframes)
2209 parse_forced_key_frames(ost->forced_keyframes, ost,
2212 case AVMEDIA_TYPE_SUBTITLE:
2213 codec->time_base = (AVRational){1, 1000};
2214 if (!codec->width) {
2215 codec->width = input_streams[ost->source_index]->st->codec->width;
2216 codec->height = input_streams[ost->source_index]->st->codec->height;
2224 if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2225 char logfilename[1024];
2228 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2229 ost->logfile_prefix ? ost->logfile_prefix :
2230 DEFAULT_PASS_LOGFILENAME_PREFIX,
2232 if (!strcmp(ost->enc->name, "libx264")) {
2233 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2235 if (codec->flags & CODEC_FLAG_PASS2) {
2237 size_t logbuffer_size;
2238 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2239 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2243 codec->stats_in = logbuffer;
2245 if (codec->flags & CODEC_FLAG_PASS1) {
2246 f = fopen(logfilename, "wb");
2248 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2249 logfilename, strerror(errno));
2259 /* open each encoder */
2260 for (i = 0; i < nb_output_streams; i++) {
2261 ost = output_streams[i];
2262 if (ost->encoding_needed) {
2263 AVCodec *codec = ost->enc;
2264 AVCodecContext *dec = NULL;
2266 if ((ist = get_input_stream(ost)))
2267 dec = ist->st->codec;
2268 if (dec && dec->subtitle_header) {
2269 /* ASS code assumes this buffer is null terminated so add extra byte. */
2270 ost->st->codec->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
2271 if (!ost->st->codec->subtitle_header) {
2272 ret = AVERROR(ENOMEM);
2275 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2276 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2278 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2279 av_dict_set(&ost->opts, "threads", "auto", 0);
2280 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2281 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2282 ost->file_index, ost->index);
2283 ret = AVERROR(EINVAL);
2286 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2287 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
2288 av_buffersink_set_frame_size(ost->filter->filter,
2289 ost->st->codec->frame_size);
2290 assert_codec_experimental(ost->st->codec, 1);
2291 assert_avoptions(ost->opts);
2292 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2293 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2294 " It takes bits/s as argument, not kbits/s\n");
2295 extra_size += ost->st->codec->extradata_size;
2297 if (ost->st->codec->me_threshold)
2298 input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
2302 /* init input streams */
2303 for (i = 0; i < nb_input_streams; i++)
2304 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
2307 /* discard unused programs */
2308 for (i = 0; i < nb_input_files; i++) {
2309 InputFile *ifile = input_files[i];
2310 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2311 AVProgram *p = ifile->ctx->programs[j];
2312 int discard = AVDISCARD_ALL;
2314 for (k = 0; k < p->nb_stream_indexes; k++)
2315 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2316 discard = AVDISCARD_DEFAULT;
2319 p->discard = discard;
2323 /* open files and write file headers */
2324 for (i = 0; i < nb_output_files; i++) {
2325 oc = output_files[i]->ctx;
2326 oc->interrupt_callback = int_cb;
2327 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
2329 const char *errbuf_ptr = errbuf;
2330 if (av_strerror(ret, errbuf, sizeof(errbuf)) < 0)
2331 errbuf_ptr = strerror(AVUNERROR(ret));
2332 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?): %s", i, errbuf_ptr);
2333 ret = AVERROR(EINVAL);
2336 // assert_avoptions(output_files[i]->opts);
2337 if (strcmp(oc->oformat->name, "rtp")) {
2343 /* dump the file output parameters - cannot be done before in case
2345 for (i = 0; i < nb_output_files; i++) {
2346 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
2349 /* dump the stream mapping */
2350 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2351 for (i = 0; i < nb_input_streams; i++) {
2352 ist = input_streams[i];
2354 for (j = 0; j < ist->nb_filters; j++) {
2355 if (ist->filters[j]->graph->graph_desc) {
2356 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2357 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
2358 ist->filters[j]->name);
2359 if (nb_filtergraphs > 1)
2360 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2361 av_log(NULL, AV_LOG_INFO, "\n");
2366 for (i = 0; i < nb_output_streams; i++) {
2367 ost = output_streams[i];
2369 if (ost->attachment_filename) {
2370 /* an attached file */
2371 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2372 ost->attachment_filename, ost->file_index, ost->index);
2376 if (ost->filter && ost->filter->graph->graph_desc) {
2377 /* output from a complex graph */
2378 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
2379 if (nb_filtergraphs > 1)
2380 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2382 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2383 ost->index, ost->enc ? ost->enc->name : "?");
2387 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2388 input_streams[ost->source_index]->file_index,
2389 input_streams[ost->source_index]->st->index,
2392 if (ost->sync_ist != input_streams[ost->source_index])
2393 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2394 ost->sync_ist->file_index,
2395 ost->sync_ist->st->index);
2396 if (ost->stream_copy)
2397 av_log(NULL, AV_LOG_INFO, " (copy)");
2399 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
2400 input_streams[ost->source_index]->dec->name : "?",
2401 ost->enc ? ost->enc->name : "?");
2402 av_log(NULL, AV_LOG_INFO, "\n");
2406 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2418 * @return 1 if there are still streams where more output is wanted,
2421 static int need_output(void)
2425 for (i = 0; i < nb_output_streams; i++) {
2426 OutputStream *ost = output_streams[i];
2427 OutputFile *of = output_files[ost->file_index];
2428 AVFormatContext *os = output_files[ost->file_index]->ctx;
2430 if (ost->finished ||
2431 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2433 if (ost->frame_number >= ost->max_frames) {
2435 for (j = 0; j < of->ctx->nb_streams; j++)
2436 close_output_stream(output_streams[of->ost_index + j]);
2447 * Select the output stream to process.
2449 * @return selected output stream, or NULL if none available
2451 static OutputStream *choose_output(void)
2454 int64_t opts_min = INT64_MAX;
2455 OutputStream *ost_min = NULL;
2457 for (i = 0; i < nb_output_streams; i++) {
2458 OutputStream *ost = output_streams[i];
2459 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
2461 if (!ost->unavailable && !ost->finished && opts < opts_min) {
2469 static int check_keyboard_interaction(int64_t cur_time)
2472 static int64_t last_time;
2473 if (received_nb_signals)
2474 return AVERROR_EXIT;
2475 /* read_key() returns 0 on EOF */
2476 if(cur_time - last_time >= 100000 && !run_as_daemon){
2478 last_time = cur_time;
2482 return AVERROR_EXIT;
2483 if (key == '+') av_log_set_level(av_log_get_level()+10);
2484 if (key == '-') av_log_set_level(av_log_get_level()-10);
2485 if (key == 's') qp_hist ^= 1;
2488 do_hex_dump = do_pkt_dump = 0;
2489 } else if(do_pkt_dump){
2493 av_log_set_level(AV_LOG_DEBUG);
2495 if (key == 'c' || key == 'C'){
2496 char buf[4096], target[64], command[256], arg[256] = {0};
2499 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2501 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2506 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2507 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2508 target, time, command, arg);
2509 for (i = 0; i < nb_filtergraphs; i++) {
2510 FilterGraph *fg = filtergraphs[i];
2513 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
2514 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2515 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
2517 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
2522 av_log(NULL, AV_LOG_ERROR,
2523 "Parse error, at least 3 arguments were expected, "
2524 "only %d given in string '%s'\n", n, buf);
2527 if (key == 'd' || key == 'D'){
2530 debug = input_streams[0]->st->codec->debug<<1;
2531 if(!debug) debug = 1;
2532 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2535 if(scanf("%d", &debug)!=1)
2536 fprintf(stderr,"error parsing debug value\n");
2537 for(i=0;i<nb_input_streams;i++) {
2538 input_streams[i]->st->codec->debug = debug;
2540 for(i=0;i<nb_output_streams;i++) {
2541 OutputStream *ost = output_streams[i];
2542 ost->st->codec->debug = debug;
2544 if(debug) av_log_set_level(AV_LOG_DEBUG);
2545 fprintf(stderr,"debug=%d\n", debug);
2548 fprintf(stderr, "key function\n"
2549 "? show this help\n"
2550 "+ increase verbosity\n"
2551 "- decrease verbosity\n"
2552 "c Send command to filtergraph\n"
2553 "D cycle through available debug modes\n"
2554 "h dump packets/hex press to cycle through the 3 states\n"
2556 "s Show QP histogram\n"
2563 static void *input_thread(void *arg)
2568 while (!transcoding_finished && ret >= 0) {
2570 ret = av_read_frame(f->ctx, &pkt);
2572 if (ret == AVERROR(EAGAIN)) {
2579 pthread_mutex_lock(&f->fifo_lock);
2580 while (!av_fifo_space(f->fifo))
2581 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
2583 av_dup_packet(&pkt);
2584 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
2586 pthread_mutex_unlock(&f->fifo_lock);
2593 static void free_input_threads(void)
2597 if (nb_input_files == 1)
2600 transcoding_finished = 1;
2602 for (i = 0; i < nb_input_files; i++) {
2603 InputFile *f = input_files[i];
2606 if (!f->fifo || f->joined)
2609 pthread_mutex_lock(&f->fifo_lock);
2610 while (av_fifo_size(f->fifo)) {
2611 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2612 av_free_packet(&pkt);
2614 pthread_cond_signal(&f->fifo_cond);
2615 pthread_mutex_unlock(&f->fifo_lock);
2617 pthread_join(f->thread, NULL);
2620 while (av_fifo_size(f->fifo)) {
2621 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2622 av_free_packet(&pkt);
2624 av_fifo_free(f->fifo);
2628 static int init_input_threads(void)
2632 if (nb_input_files == 1)
2635 for (i = 0; i < nb_input_files; i++) {
2636 InputFile *f = input_files[i];
2638 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
2639 return AVERROR(ENOMEM);
2641 pthread_mutex_init(&f->fifo_lock, NULL);
2642 pthread_cond_init (&f->fifo_cond, NULL);
2644 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
2645 return AVERROR(ret);
2650 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
2654 pthread_mutex_lock(&f->fifo_lock);
2656 if (av_fifo_size(f->fifo)) {
2657 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
2658 pthread_cond_signal(&f->fifo_cond);
2663 ret = AVERROR(EAGAIN);
2666 pthread_mutex_unlock(&f->fifo_lock);
2672 static int get_input_packet(InputFile *f, AVPacket *pkt)
2675 if (nb_input_files > 1)
2676 return get_input_packet_mt(f, pkt);
2678 return av_read_frame(f->ctx, pkt);
2681 static int got_eagain(void)
2684 for (i = 0; i < nb_output_streams; i++)
2685 if (output_streams[i]->unavailable)
2690 static void reset_eagain(void)
2693 for (i = 0; i < nb_input_files; i++)
2694 input_files[i]->eagain = 0;
2695 for (i = 0; i < nb_output_streams; i++)
2696 output_streams[i]->unavailable = 0;
2701 * - 0 -- one packet was read and processed
2702 * - AVERROR(EAGAIN) -- no packets were available for selected file,
2703 * this function should be called again
2704 * - AVERROR_EOF -- this function should not be called again
2706 static int process_input(int file_index)
2708 InputFile *ifile = input_files[file_index];
2709 AVFormatContext *is;
2715 ret = get_input_packet(ifile, &pkt);
2717 if (ret == AVERROR(EAGAIN)) {
2722 if (ret != AVERROR_EOF) {
2723 print_error(is->filename, ret);
2727 ifile->eof_reached = 1;
2729 for (i = 0; i < ifile->nb_streams; i++) {
2730 ist = input_streams[ifile->ist_index + i];
2731 if (ist->decoding_needed)
2732 output_packet(ist, NULL);
2734 /* mark all outputs that don't go through lavfi as finished */
2735 for (j = 0; j < nb_output_streams; j++) {
2736 OutputStream *ost = output_streams[j];
2738 if (ost->source_index == ifile->ist_index + i &&
2739 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
2740 close_output_stream(ost);
2744 return AVERROR(EAGAIN);
2750 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2751 is->streams[pkt.stream_index]);
2753 /* the following test is needed in case new streams appear
2754 dynamically in stream : we ignore them */
2755 if (pkt.stream_index >= ifile->nb_streams) {
2756 report_new_stream(file_index, &pkt);
2757 goto discard_packet;
2760 ist = input_streams[ifile->ist_index + pkt.stream_index];
2762 goto discard_packet;
2764 if(!ist->wrap_correction_done && input_files[file_index]->ctx->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
2765 int64_t stime = av_rescale_q(input_files[file_index]->ctx->start_time, AV_TIME_BASE_Q, ist->st->time_base);
2766 int64_t stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
2767 ist->wrap_correction_done = 1;
2769 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
2770 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
2771 ist->wrap_correction_done = 0;
2773 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
2774 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
2775 ist->wrap_correction_done = 0;
2779 if (pkt.dts != AV_NOPTS_VALUE)
2780 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2781 if (pkt.pts != AV_NOPTS_VALUE)
2782 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2784 if (pkt.pts != AV_NOPTS_VALUE)
2785 pkt.pts *= ist->ts_scale;
2786 if (pkt.dts != AV_NOPTS_VALUE)
2787 pkt.dts *= ist->ts_scale;
2790 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
2791 "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:%"PRId64"\n",
2792 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
2793 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
2794 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
2795 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
2796 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
2797 input_files[ist->file_index]->ts_offset);
2800 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
2802 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2803 int64_t delta = pkt_dts - ist->next_dts;
2804 if (is->iformat->flags & AVFMT_TS_DISCONT) {
2805 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
2806 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
2807 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2808 pkt_dts+1<ist->pts){
2809 ifile->ts_offset -= delta;
2810 av_log(NULL, AV_LOG_DEBUG,
2811 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2812 delta, ifile->ts_offset);
2813 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2814 if (pkt.pts != AV_NOPTS_VALUE)
2815 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2818 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
2819 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)
2821 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
2822 pkt.dts = AV_NOPTS_VALUE;
2824 if (pkt.pts != AV_NOPTS_VALUE){
2825 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
2826 delta = pkt_pts - ist->next_dts;
2827 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
2828 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)
2830 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
2831 pkt.pts = AV_NOPTS_VALUE;
2837 sub2video_heartbeat(ist, pkt.pts);
2839 ret = output_packet(ist, &pkt);
2842 av_strerror(ret, buf, sizeof(buf));
2843 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
2844 ist->file_index, ist->st->index, buf);
2850 av_free_packet(&pkt);
2856 * Perform a step of transcoding for the specified filter graph.
2858 * @param[in] graph filter graph to consider
2859 * @param[out] best_ist input stream where a frame would allow to continue
2860 * @return 0 for success, <0 for error
2862 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
2865 int nb_requests, nb_requests_max = 0;
2866 InputFilter *ifilter;
2870 ret = avfilter_graph_request_oldest(graph->graph);
2872 return reap_filters();
2874 if (ret == AVERROR_EOF) {
2875 ret = reap_filters();
2876 for (i = 0; i < graph->nb_outputs; i++)
2877 close_output_stream(graph->outputs[i]->ost);
2880 if (ret != AVERROR(EAGAIN))
2883 for (i = 0; i < graph->nb_inputs; i++) {
2884 ifilter = graph->inputs[i];
2886 if (input_files[ist->file_index]->eagain ||
2887 input_files[ist->file_index]->eof_reached)
2889 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
2890 if (nb_requests > nb_requests_max) {
2891 nb_requests_max = nb_requests;
2897 for (i = 0; i < graph->nb_outputs; i++)
2898 graph->outputs[i]->ost->unavailable = 1;
2904 * Run a single step of transcoding.
2906 * @return 0 for success, <0 for error
2908 static int transcode_step(void)
2914 ost = choose_output();
2921 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
2926 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
2931 av_assert0(ost->source_index >= 0);
2932 ist = input_streams[ost->source_index];
2935 ret = process_input(ist->file_index);
2936 if (ret == AVERROR(EAGAIN)) {
2937 if (input_files[ist->file_index]->eagain)
2938 ost->unavailable = 1;
2942 return ret == AVERROR_EOF ? 0 : ret;
2944 return reap_filters();
2948 * The following code is the main loop of the file converter
2950 static int transcode(void)
2953 AVFormatContext *os;
2956 int64_t timer_start;
2958 ret = transcode_init();
2962 if (stdin_interaction) {
2963 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
2966 timer_start = av_gettime();
2969 if ((ret = init_input_threads()) < 0)
2973 while (!received_sigterm) {
2974 int64_t cur_time= av_gettime();
2976 /* if 'q' pressed, exits */
2977 if (stdin_interaction)
2978 if (check_keyboard_interaction(cur_time) < 0)
2981 /* check if there's any stream where output is still needed */
2982 if (!need_output()) {
2983 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
2987 ret = transcode_step();
2989 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
2992 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
2996 /* dump report by using the output first video and audio streams */
2997 print_report(0, timer_start, cur_time);
3000 free_input_threads();
3003 /* at the end of stream, we must flush the decoder buffers */
3004 for (i = 0; i < nb_input_streams; i++) {
3005 ist = input_streams[i];
3006 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3007 output_packet(ist, NULL);
3014 /* write the trailer if needed and close file */
3015 for (i = 0; i < nb_output_files; i++) {
3016 os = output_files[i]->ctx;
3017 av_write_trailer(os);
3020 /* dump report by using the first video and audio streams */
3021 print_report(1, timer_start, av_gettime());
3023 /* close each encoder */
3024 for (i = 0; i < nb_output_streams; i++) {
3025 ost = output_streams[i];
3026 if (ost->encoding_needed) {
3027 av_freep(&ost->st->codec->stats_in);
3028 avcodec_close(ost->st->codec);
3032 /* close each decoder */
3033 for (i = 0; i < nb_input_streams; i++) {
3034 ist = input_streams[i];
3035 if (ist->decoding_needed) {
3036 avcodec_close(ist->st->codec);
3045 free_input_threads();
3048 if (output_streams) {
3049 for (i = 0; i < nb_output_streams; i++) {
3050 ost = output_streams[i];
3052 if (ost->stream_copy)
3053 av_freep(&ost->st->codec->extradata);
3055 fclose(ost->logfile);
3056 ost->logfile = NULL;
3058 av_freep(&ost->st->codec->subtitle_header);
3059 av_free(ost->forced_kf_pts);
3060 av_dict_free(&ost->opts);
3068 static int64_t getutime(void)
3071 struct rusage rusage;
3073 getrusage(RUSAGE_SELF, &rusage);
3074 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3075 #elif HAVE_GETPROCESSTIMES
3077 FILETIME c, e, k, u;
3078 proc = GetCurrentProcess();
3079 GetProcessTimes(proc, &c, &e, &k, &u);
3080 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3082 return av_gettime();
3086 static int64_t getmaxrss(void)
3088 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3089 struct rusage rusage;
3090 getrusage(RUSAGE_SELF, &rusage);
3091 return (int64_t)rusage.ru_maxrss * 1024;
3092 #elif HAVE_GETPROCESSMEMORYINFO
3094 PROCESS_MEMORY_COUNTERS memcounters;
3095 proc = GetCurrentProcess();
3096 memcounters.cb = sizeof(memcounters);
3097 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3098 return memcounters.PeakPagefileUsage;
3104 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
3108 static void parse_cpuflags(int argc, char **argv, const OptionDef *options)
3110 int idx = locate_option(argc, argv, options, "cpuflags");
3111 if (idx && argv[idx + 1])
3112 opt_cpuflags(NULL, "cpuflags", argv[idx + 1]);
3115 int main(int argc, char **argv)
3117 OptionsContext o = { 0 };
3120 atexit(exit_program);
3122 reset_options(&o, 0);
3124 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
3126 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3127 parse_loglevel(argc, argv, options);
3129 if(argc>1 && !strcmp(argv[1], "-d")){
3131 av_log_set_callback(log_callback_null);
3136 avcodec_register_all();
3138 avdevice_register_all();
3140 avfilter_register_all();
3142 avformat_network_init();
3144 show_banner(argc, argv, options);
3148 parse_cpuflags(argc, argv, options);
3151 parse_options(&o, argc, argv, options, opt_output_file);
3153 if (nb_output_files <= 0 && nb_input_files == 0) {
3155 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
3159 /* file converter / grab */
3160 if (nb_output_files <= 0) {
3161 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
3165 // if (nb_input_files == 0) {
3166 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
3170 current_time = ti = getutime();
3171 if (transcode() < 0)
3173 ti = getutime() - ti;
3175 int maxrss = getmaxrss() / 1024;
3176 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);