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
36 #include "libavformat/avformat.h"
37 #include "libavdevice/avdevice.h"
38 #include "libswscale/swscale.h"
39 #include "libswresample/swresample.h"
40 #include "libavutil/opt.h"
41 #include "libavutil/audioconvert.h"
42 #include "libavutil/parseutils.h"
43 #include "libavutil/samplefmt.h"
44 #include "libavutil/colorspace.h"
45 #include "libavutil/fifo.h"
46 #include "libavutil/intreadwrite.h"
47 #include "libavutil/dict.h"
48 #include "libavutil/mathematics.h"
49 #include "libavutil/pixdesc.h"
50 #include "libavutil/avstring.h"
51 #include "libavutil/libm.h"
52 #include "libavutil/imgutils.h"
53 #include "libavutil/timestamp.h"
54 #include "libavutil/bprint.h"
55 #include "libavutil/time.h"
56 #include "libavformat/os_support.h"
58 #include "libavformat/ffm.h" // not public API
60 # include "libavfilter/avcodec.h"
61 # include "libavfilter/avfilter.h"
62 # include "libavfilter/avfiltergraph.h"
63 # include "libavfilter/buffersrc.h"
64 # include "libavfilter/buffersink.h"
66 #if HAVE_SYS_RESOURCE_H
67 #include <sys/types.h>
68 #include <sys/resource.h>
69 #elif HAVE_GETPROCESSTIMES
72 #if HAVE_GETPROCESSMEMORYINFO
78 #include <sys/select.h>
83 #include <sys/ioctl.h>
99 #include "libavutil/avassert.h"
101 const char program_name[] = "ffmpeg";
102 const int program_birth_year = 2000;
104 static FILE *vstats_file;
106 static void do_video_stats(AVFormatContext *os, OutputStream *ost, int frame_size);
107 static int64_t getutime(void);
109 static int run_as_daemon = 0;
110 static volatile int received_nb_signals = 0;
111 static int64_t video_size = 0;
112 static int64_t audio_size = 0;
113 static int64_t subtitle_size = 0;
114 static int64_t extra_size = 0;
115 static int nb_frames_dup = 0;
116 static int nb_frames_drop = 0;
118 static int current_time;
119 AVIOContext *progress_avio = NULL;
121 static uint8_t *subtitle_out;
124 /* signal to input threads that they should exit; set by the main thread */
125 static int transcoding_finished;
128 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
130 InputStream **input_streams = NULL;
131 int nb_input_streams = 0;
132 InputFile **input_files = NULL;
133 int nb_input_files = 0;
135 OutputStream **output_streams = NULL;
136 int nb_output_streams = 0;
137 OutputFile **output_files = NULL;
138 int nb_output_files = 0;
140 FilterGraph **filtergraphs;
145 /* init terminal so that we can grab keys */
146 static struct termios oldtty;
147 static int restore_tty;
152 Convert subtitles to video with alpha to insert them in filter graphs.
153 This is a temporary solution until libavfilter gets real subtitles support.
158 static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
161 uint32_t *pal, *dst2;
165 if (r->type != SUBTITLE_BITMAP) {
166 av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
169 if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
170 av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n");
174 dst += r->y * dst_linesize + r->x * 4;
175 src = r->pict.data[0];
176 pal = (uint32_t *)r->pict.data[1];
177 for (y = 0; y < r->h; y++) {
178 dst2 = (uint32_t *)dst;
180 for (x = 0; x < r->w; x++)
181 *(dst2++) = pal[*(src2++)];
183 src += r->pict.linesize[0];
187 static void sub2video_push_ref(InputStream *ist, int64_t pts)
189 AVFilterBufferRef *ref = ist->sub2video.ref;
192 ist->sub2video.last_pts = ref->pts = pts;
193 for (i = 0; i < ist->nb_filters; i++)
194 av_buffersrc_add_ref(ist->filters[i]->filter,
195 avfilter_ref_buffer(ref, ~0),
196 AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT |
197 AV_BUFFERSRC_FLAG_NO_COPY);
200 static void sub2video_update(InputStream *ist, AVSubtitle *sub, int64_t pts)
202 int w = ist->sub2video.w, h = ist->sub2video.h;
203 AVFilterBufferRef *ref = ist->sub2video.ref;
211 dst_linesize = ref->linesize[0];
212 memset(dst, 0, h * dst_linesize);
213 for (i = 0; i < sub->num_rects; i++)
214 sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]);
215 sub2video_push_ref(ist, pts);
218 static void sub2video_heartbeat(InputStream *ist, int64_t pts)
220 InputFile *infile = input_files[ist->file_index];
224 /* When a frame is read from a file, examine all sub2video streams in
225 the same file and send the sub2video frame again. Otherwise, decoded
226 video frames could be accumulating in the filter graph while a filter
227 (possibly overlay) is desperately waiting for a subtitle frame. */
228 for (i = 0; i < infile->nb_streams; i++) {
229 InputStream *ist2 = input_streams[infile->ist_index + i];
230 if (!ist2->sub2video.ref)
232 /* subtitles seem to be usually muxed ahead of other streams;
233 if not, substracting a larger time here is necessary */
234 pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
235 /* do not send the heartbeat frame if the subtitle is already ahead */
236 if (pts2 <= ist2->sub2video.last_pts)
238 for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
239 nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
241 sub2video_push_ref(ist2, pts2);
245 static void sub2video_flush(InputStream *ist)
249 for (i = 0; i < ist->nb_filters; i++)
250 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
253 /* end of sub2video hack */
257 av_log(NULL, AV_LOG_QUIET, "%s", "");
260 tcsetattr (0, TCSANOW, &oldtty);
264 static volatile int received_sigterm = 0;
266 static void sigterm_handler(int sig)
268 received_sigterm = sig;
269 received_nb_signals++;
271 if(received_nb_signals > 3)
282 istty = isatty(0) && isatty(2);
284 if (istty && tcgetattr (0, &tty) == 0) {
289 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
290 |INLCR|IGNCR|ICRNL|IXON);
291 tty.c_oflag |= OPOST;
292 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
293 tty.c_cflag &= ~(CSIZE|PARENB);
298 tcsetattr (0, TCSANOW, &tty);
300 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
303 avformat_network_deinit();
305 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
306 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
308 signal(SIGXCPU, sigterm_handler);
312 /* read a key without blocking */
313 static int read_key(void)
325 n = select(1, &rfds, NULL, NULL, &tv);
334 # if HAVE_PEEKNAMEDPIPE
336 static HANDLE input_handle;
339 input_handle = GetStdHandle(STD_INPUT_HANDLE);
340 is_pipe = !GetConsoleMode(input_handle, &dw);
343 if (stdin->_cnt > 0) {
348 /* When running under a GUI, you will end here. */
349 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL))
366 static int decode_interrupt_cb(void *ctx)
368 return received_nb_signals > 1;
371 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
373 void av_noreturn exit_program(int ret)
377 for (i = 0; i < nb_filtergraphs; i++) {
378 avfilter_graph_free(&filtergraphs[i]->graph);
379 for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
380 av_freep(&filtergraphs[i]->inputs[j]->name);
381 av_freep(&filtergraphs[i]->inputs[j]);
383 av_freep(&filtergraphs[i]->inputs);
384 for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
385 av_freep(&filtergraphs[i]->outputs[j]->name);
386 av_freep(&filtergraphs[i]->outputs[j]);
388 av_freep(&filtergraphs[i]->outputs);
389 av_freep(&filtergraphs[i]);
391 av_freep(&filtergraphs);
393 av_freep(&subtitle_out);
396 for (i = 0; i < nb_output_files; i++) {
397 AVFormatContext *s = output_files[i]->ctx;
398 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
400 avformat_free_context(s);
401 av_dict_free(&output_files[i]->opts);
402 av_freep(&output_files[i]);
404 for (i = 0; i < nb_output_streams; i++) {
405 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
407 AVBitStreamFilterContext *next = bsfc->next;
408 av_bitstream_filter_close(bsfc);
411 output_streams[i]->bitstream_filters = NULL;
413 av_freep(&output_streams[i]->forced_keyframes);
414 av_freep(&output_streams[i]->filtered_frame);
415 av_freep(&output_streams[i]->avfilter);
416 av_freep(&output_streams[i]);
418 for (i = 0; i < nb_input_files; i++) {
419 avformat_close_input(&input_files[i]->ctx);
420 av_freep(&input_files[i]);
422 for (i = 0; i < nb_input_streams; i++) {
423 av_freep(&input_streams[i]->decoded_frame);
424 av_dict_free(&input_streams[i]->opts);
425 free_buffer_pool(&input_streams[i]->buffer_pool);
426 avfilter_unref_bufferp(&input_streams[i]->sub2video.ref);
427 av_freep(&input_streams[i]->filters);
428 av_freep(&input_streams[i]);
433 av_free(vstats_filename);
435 av_freep(&input_streams);
436 av_freep(&input_files);
437 av_freep(&output_streams);
438 av_freep(&output_files);
443 avformat_network_deinit();
445 if (received_sigterm) {
446 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
447 (int) received_sigterm);
454 void assert_avoptions(AVDictionary *m)
456 AVDictionaryEntry *t;
457 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
458 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
463 static void assert_codec_experimental(AVCodecContext *c, int encoder)
465 const char *codec_string = encoder ? "encoder" : "decoder";
467 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
468 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
469 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
470 "results.\nAdd '-strict experimental' if you want to use it.\n",
471 codec_string, c->codec->name);
472 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
473 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
474 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
475 codec_string, codec->name);
480 static void update_benchmark(const char *fmt, ...)
482 if (do_benchmark_all) {
483 int64_t t = getutime();
489 vsnprintf(buf, sizeof(buf), fmt, va);
491 printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
497 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
499 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
500 AVCodecContext *avctx = ost->st->codec;
503 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
504 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
505 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
507 if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
508 int64_t max = ost->st->cur_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
509 if (ost->st->cur_dts && ost->st->cur_dts != AV_NOPTS_VALUE && max > pkt->dts) {
510 av_log(s, max - pkt->dts > 2 ? AV_LOG_WARNING : AV_LOG_DEBUG, "Audio timestamp %"PRId64" < %"PRId64" invalid, cliping\n", pkt->dts, max);
511 pkt->pts = pkt->dts = max;
516 * Audio encoders may split the packets -- #frames in != #packets out.
517 * But there is no reordering, so we can limit the number of output packets
518 * by simply dropping them here.
519 * Counting encoded video frames needs to be done separately because of
520 * reordering, see do_video_out()
522 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
523 if (ost->frame_number >= ost->max_frames) {
531 AVPacket new_pkt = *pkt;
532 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
533 &new_pkt.data, &new_pkt.size,
534 pkt->data, pkt->size,
535 pkt->flags & AV_PKT_FLAG_KEY);
538 new_pkt.destruct = av_destruct_packet;
540 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
541 bsfc->filter->name, pkt->stream_index,
542 avctx->codec ? avctx->codec->name : "copy");
552 pkt->stream_index = ost->index;
553 ret = av_interleaved_write_frame(s, pkt);
555 print_error("av_interleaved_write_frame()", ret);
560 static int check_recording_time(OutputStream *ost)
562 OutputFile *of = output_files[ost->file_index];
564 if (of->recording_time != INT64_MAX &&
565 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
566 AV_TIME_BASE_Q) >= 0) {
567 ost->is_past_recording_time = 1;
573 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
576 AVCodecContext *enc = ost->st->codec;
580 av_init_packet(&pkt);
584 if (!check_recording_time(ost))
587 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
588 frame->pts = ost->sync_opts;
589 ost->sync_opts = frame->pts + frame->nb_samples;
591 av_assert0(pkt.size || !pkt.data);
592 update_benchmark(NULL);
593 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
594 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
597 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
600 if (pkt.pts != AV_NOPTS_VALUE)
601 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
602 if (pkt.dts != AV_NOPTS_VALUE)
603 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
604 if (pkt.duration > 0)
605 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
608 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
609 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
610 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
611 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
614 write_frame(s, &pkt, ost);
616 audio_size += pkt.size;
617 av_free_packet(&pkt);
621 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
625 AVPicture picture_tmp;
628 dec = ist->st->codec;
630 /* deinterlace : must be done before any resize */
631 if (do_deinterlace) {
634 /* create temporary picture */
635 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
636 buf = av_malloc(size);
640 picture2 = &picture_tmp;
641 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
643 if (avpicture_deinterlace(picture2, picture,
644 dec->pix_fmt, dec->width, dec->height) < 0) {
645 /* if error, do not deinterlace */
646 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
655 if (picture != picture2)
656 *picture = *picture2;
660 static void do_subtitle_out(AVFormatContext *s,
666 int subtitle_out_max_size = 1024 * 1024;
667 int subtitle_out_size, nb, i;
671 if (pts == AV_NOPTS_VALUE) {
672 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
678 enc = ost->st->codec;
681 subtitle_out = av_malloc(subtitle_out_max_size);
684 /* Note: DVB subtitle need one packet to draw them and one other
685 packet to clear them */
686 /* XXX: signal it in the codec context ? */
687 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
692 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
693 pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q)
694 - output_files[ost->file_index]->start_time;
695 for (i = 0; i < nb; i++) {
696 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
697 if (!check_recording_time(ost))
701 // start_display_time is required to be 0
702 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
703 sub->end_display_time -= sub->start_display_time;
704 sub->start_display_time = 0;
705 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
706 subtitle_out_max_size, sub);
707 if (subtitle_out_size < 0) {
708 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
712 av_init_packet(&pkt);
713 pkt.data = subtitle_out;
714 pkt.size = subtitle_out_size;
715 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
716 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
717 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
718 /* XXX: the pts correction is handled here. Maybe handling
719 it in the codec would be better */
721 pkt.pts += 90 * sub->start_display_time;
723 pkt.pts += 90 * sub->end_display_time;
725 write_frame(s, &pkt, ost);
726 subtitle_size += pkt.size;
730 static void do_video_out(AVFormatContext *s,
735 int ret, format_video_sync;
737 AVCodecContext *enc = ost->st->codec;
739 double sync_ipts, delta;
742 InputStream *ist = NULL;
744 if (ost->source_index >= 0)
745 ist = input_streams[ost->source_index];
747 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
748 duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base));
750 sync_ipts = in_picture->pts;
751 delta = sync_ipts - ost->sync_opts + duration;
753 /* by default, we output a single frame */
756 format_video_sync = video_sync_method;
757 if (format_video_sync == VSYNC_AUTO)
758 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : 1;
760 switch (format_video_sync) {
762 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
765 else if (delta > 1.1)
766 nb_frames = lrintf(delta);
771 else if (delta > 0.6)
772 ost->sync_opts = lrint(sync_ipts);
775 case VSYNC_PASSTHROUGH:
776 ost->sync_opts = lrint(sync_ipts);
782 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
783 if (nb_frames == 0) {
785 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
787 } else if (nb_frames > 1) {
788 if (nb_frames > dts_error_threshold * 30) {
789 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skiping\n", nb_frames - 1);
793 nb_frames_dup += nb_frames - 1;
794 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
797 /* duplicates frame if needed */
798 for (i = 0; i < nb_frames; i++) {
799 av_init_packet(&pkt);
803 in_picture->pts = ost->sync_opts;
805 if (!check_recording_time(ost))
808 if (s->oformat->flags & AVFMT_RAWPICTURE &&
809 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
810 /* raw pictures are written as AVPicture structure to
811 avoid any copies. We support temporarily the older
813 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
814 enc->coded_frame->top_field_first = in_picture->top_field_first;
815 pkt.data = (uint8_t *)in_picture;
816 pkt.size = sizeof(AVPicture);
817 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
818 pkt.flags |= AV_PKT_FLAG_KEY;
820 write_frame(s, &pkt, ost);
821 video_size += pkt.size;
826 big_picture = *in_picture;
827 /* better than nothing: use input picture interlaced
829 big_picture.interlaced_frame = in_picture->interlaced_frame;
830 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
831 if (ost->top_field_first == -1)
832 big_picture.top_field_first = in_picture->top_field_first;
834 big_picture.top_field_first = !!ost->top_field_first;
837 /* handles same_quant here. This is not correct because it may
838 not be a global option */
839 big_picture.quality = quality;
840 if (!enc->me_threshold)
841 big_picture.pict_type = 0;
842 if (ost->forced_kf_index < ost->forced_kf_count &&
843 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
844 big_picture.pict_type = AV_PICTURE_TYPE_I;
845 ost->forced_kf_index++;
847 update_benchmark(NULL);
848 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
849 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
851 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
856 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
857 pkt.pts = ost->sync_opts;
859 if (pkt.pts != AV_NOPTS_VALUE)
860 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
861 if (pkt.dts != AV_NOPTS_VALUE)
862 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
865 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
866 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
867 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
868 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
871 write_frame(s, &pkt, ost);
872 frame_size = pkt.size;
873 video_size += pkt.size;
874 av_free_packet(&pkt);
876 /* if two pass, output log */
877 if (ost->logfile && enc->stats_out) {
878 fprintf(ost->logfile, "%s", enc->stats_out);
884 * For video, number of frames in == number of packets out.
885 * But there may be reordering, so we can't throw away frames on encoder
886 * flush, we need to limit them here, before they go into encoder.
891 if (vstats_filename && frame_size)
892 do_video_stats(output_files[ost->file_index]->ctx, ost, frame_size);
895 static double psnr(double d)
897 return -10.0 * log(d) / log(10.0);
900 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
905 double ti1, bitrate, avg_bitrate;
907 /* this is executed just the first time do_video_stats is called */
909 vstats_file = fopen(vstats_filename, "w");
916 enc = ost->st->codec;
917 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
918 frame_number = ost->frame_number;
919 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
920 if (enc->flags&CODEC_FLAG_PSNR)
921 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
923 fprintf(vstats_file,"f_size= %6d ", frame_size);
924 /* compute pts value */
925 ti1 = ost->sync_opts * av_q2d(enc->time_base);
929 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
930 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
931 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
932 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
933 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
937 /* check for new output on any of the filtergraphs */
938 static int poll_filters(void)
940 AVFilterBufferRef *picref;
941 AVFrame *filtered_frame = NULL;
943 unsigned nb_success = 1, av_uninit(nb_eof);
947 /* Reap all buffers present in the buffer sinks */
948 for (i = 0; i < nb_output_streams; i++) {
949 OutputStream *ost = output_streams[i];
950 OutputFile *of = output_files[ost->file_index];
956 if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
957 return AVERROR(ENOMEM);
959 avcodec_get_frame_defaults(ost->filtered_frame);
960 filtered_frame = ost->filtered_frame;
963 ret = av_buffersink_get_buffer_ref(ost->filter->filter, &picref,
964 AV_BUFFERSINK_FLAG_NO_REQUEST);
966 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
968 av_strerror(ret, buf, sizeof(buf));
969 av_log(NULL, AV_LOG_WARNING,
970 "Error in av_buffersink_get_buffer_ref(): %s\n", buf);
974 frame_pts = AV_NOPTS_VALUE;
975 if (picref->pts != AV_NOPTS_VALUE) {
976 filtered_frame->pts = frame_pts = av_rescale_q(picref->pts,
977 ost->filter->filter->inputs[0]->time_base,
978 ost->st->codec->time_base) -
979 av_rescale_q(of->start_time,
981 ost->st->codec->time_base);
983 if (of->start_time && filtered_frame->pts < 0) {
984 avfilter_unref_buffer(picref);
988 //if (ost->source_index >= 0)
989 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
992 switch (ost->filter->filter->inputs[0]->type) {
993 case AVMEDIA_TYPE_VIDEO:
994 avfilter_copy_buf_props(filtered_frame, picref);
995 filtered_frame->pts = frame_pts;
996 if (!ost->frame_aspect_ratio)
997 ost->st->codec->sample_aspect_ratio = picref->video->sample_aspect_ratio;
999 do_video_out(of->ctx, ost, filtered_frame,
1000 same_quant ? ost->last_quality :
1001 ost->st->codec->global_quality);
1003 case AVMEDIA_TYPE_AUDIO:
1004 avfilter_copy_buf_props(filtered_frame, picref);
1005 filtered_frame->pts = frame_pts;
1006 do_audio_out(of->ctx, ost, filtered_frame);
1009 // TODO support subtitle filters
1013 avfilter_unref_buffer(picref);
1016 if (!nb_success) /* from last round */
1018 /* Request frames through all the graphs */
1019 ret_all = nb_success = nb_eof = 0;
1020 for (i = 0; i < nb_filtergraphs; i++) {
1021 ret = avfilter_graph_request_oldest(filtergraphs[i]->graph);
1024 } else if (ret == AVERROR_EOF) {
1026 } else if (ret != AVERROR(EAGAIN)) {
1028 av_strerror(ret, buf, sizeof(buf));
1029 av_log(NULL, AV_LOG_WARNING,
1030 "Error in request_frame(): %s\n", buf);
1034 /* Try again if anything succeeded */
1036 return nb_eof == nb_filtergraphs ? AVERROR_EOF : ret_all;
1039 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1042 AVBPrint buf_script;
1044 AVFormatContext *oc;
1046 AVCodecContext *enc;
1047 int frame_number, vid, i;
1049 int64_t pts = INT64_MAX;
1050 static int64_t last_time = -1;
1051 static int qp_histogram[52];
1052 int hours, mins, secs, us;
1054 if (!print_stats && !is_last_report && !progress_avio)
1057 if (!is_last_report) {
1058 if (last_time == -1) {
1059 last_time = cur_time;
1062 if ((cur_time - last_time) < 500000)
1064 last_time = cur_time;
1068 oc = output_files[0]->ctx;
1070 total_size = avio_size(oc->pb);
1071 if (total_size < 0) { // FIXME improve avio_size() so it works with non seekable output too
1072 total_size = avio_tell(oc->pb);
1079 av_bprint_init(&buf_script, 0, 1);
1080 for (i = 0; i < nb_output_streams; i++) {
1082 ost = output_streams[i];
1083 enc = ost->st->codec;
1084 if (!ost->stream_copy && enc->coded_frame)
1085 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1086 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1087 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1088 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1089 ost->file_index, ost->index, q);
1091 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1092 float fps, t = (cur_time-timer_start) / 1000000.0;
1094 frame_number = ost->frame_number;
1095 fps = t > 1 ? frame_number / t : 0;
1096 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1097 frame_number, fps < 9.95, fps, q);
1098 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1099 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1100 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1101 ost->file_index, ost->index, q);
1103 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1107 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1109 for (j = 0; j < 32; j++)
1110 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
1112 if (enc->flags&CODEC_FLAG_PSNR) {
1114 double error, error_sum = 0;
1115 double scale, scale_sum = 0;
1117 char type[3] = { 'Y','U','V' };
1118 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1119 for (j = 0; j < 3; j++) {
1120 if (is_last_report) {
1121 error = enc->error[j];
1122 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1124 error = enc->coded_frame->error[j];
1125 scale = enc->width * enc->height * 255.0 * 255.0;
1131 p = psnr(error / scale);
1132 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1133 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1134 ost->file_index, ost->index, type[i] | 32, p);
1136 p = psnr(error_sum / scale_sum);
1137 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1138 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1139 ost->file_index, ost->index, p);
1143 /* compute min output value */
1144 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1145 ost->st->time_base, AV_TIME_BASE_Q));
1148 secs = pts / AV_TIME_BASE;
1149 us = pts % AV_TIME_BASE;
1155 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1157 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1158 "size=%8.0fkB time=", total_size / 1024.0);
1159 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1160 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1161 (100 * us) / AV_TIME_BASE);
1162 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1163 "bitrate=%6.1fkbits/s", bitrate);
1164 av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1165 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1166 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1167 hours, mins, secs, us);
1169 if (nb_frames_dup || nb_frames_drop)
1170 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1171 nb_frames_dup, nb_frames_drop);
1172 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1173 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1175 if (print_stats || is_last_report) {
1176 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1181 if (progress_avio) {
1182 av_bprintf(&buf_script, "progress=%s\n",
1183 is_last_report ? "end" : "continue");
1184 avio_write(progress_avio, buf_script.str,
1185 FFMIN(buf_script.len, buf_script.size - 1));
1186 avio_flush(progress_avio);
1187 av_bprint_finalize(&buf_script, NULL);
1188 if (is_last_report) {
1189 avio_close(progress_avio);
1190 progress_avio = NULL;
1194 if (is_last_report) {
1195 int64_t raw= audio_size + video_size + subtitle_size + extra_size;
1196 av_log(NULL, AV_LOG_INFO, "\n");
1197 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0f global headers:%1.0fkB muxing overhead %f%%\n",
1198 video_size / 1024.0,
1199 audio_size / 1024.0,
1200 subtitle_size / 1024.0,
1201 extra_size / 1024.0,
1202 100.0 * (total_size - raw) / raw
1204 if(video_size + audio_size + subtitle_size + extra_size == 0){
1205 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1210 static void flush_encoders(void)
1214 for (i = 0; i < nb_output_streams; i++) {
1215 OutputStream *ost = output_streams[i];
1216 AVCodecContext *enc = ost->st->codec;
1217 AVFormatContext *os = output_files[ost->file_index]->ctx;
1218 int stop_encoding = 0;
1220 if (!ost->encoding_needed)
1223 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1225 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1229 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1233 switch (ost->st->codec->codec_type) {
1234 case AVMEDIA_TYPE_AUDIO:
1235 encode = avcodec_encode_audio2;
1239 case AVMEDIA_TYPE_VIDEO:
1240 encode = avcodec_encode_video2;
1251 av_init_packet(&pkt);
1255 update_benchmark(NULL);
1256 ret = encode(enc, &pkt, NULL, &got_packet);
1257 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1259 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1263 if (ost->logfile && enc->stats_out) {
1264 fprintf(ost->logfile, "%s", enc->stats_out);
1270 if (pkt.pts != AV_NOPTS_VALUE)
1271 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1272 if (pkt.dts != AV_NOPTS_VALUE)
1273 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1274 write_frame(os, &pkt, ost);
1284 * Check whether a packet from ist should be written into ost at this time
1286 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1288 OutputFile *of = output_files[ost->file_index];
1289 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1291 if (ost->source_index != ist_index)
1294 if (of->start_time && ist->pts < of->start_time)
1300 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1302 OutputFile *of = output_files[ost->file_index];
1303 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1307 av_init_packet(&opkt);
1309 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1310 !ost->copy_initial_nonkeyframes)
1313 if (of->recording_time != INT64_MAX &&
1314 ist->pts >= of->recording_time + of->start_time) {
1315 ost->is_past_recording_time = 1;
1319 /* force the input stream PTS */
1320 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1321 audio_size += pkt->size;
1322 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1323 video_size += pkt->size;
1325 } else if (ost->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1326 subtitle_size += pkt->size;
1329 if (pkt->pts != AV_NOPTS_VALUE)
1330 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1332 opkt.pts = AV_NOPTS_VALUE;
1334 if (pkt->dts == AV_NOPTS_VALUE)
1335 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1337 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1338 opkt.dts -= ost_tb_start_time;
1340 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1341 opkt.flags = pkt->flags;
1343 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1344 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
1345 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1346 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1347 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
1349 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1350 opkt.destruct = av_destruct_packet;
1352 opkt.data = pkt->data;
1353 opkt.size = pkt->size;
1356 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1357 /* store AVPicture in AVPacket, as expected by the output format */
1358 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1359 opkt.data = (uint8_t *)&pict;
1360 opkt.size = sizeof(AVPicture);
1361 opkt.flags |= AV_PKT_FLAG_KEY;
1364 write_frame(of->ctx, &opkt, ost);
1365 ost->st->codec->frame_number++;
1366 av_free_packet(&opkt);
1369 static void rate_emu_sleep(InputStream *ist)
1371 if (input_files[ist->file_index]->rate_emu) {
1372 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
1373 int64_t now = av_gettime() - ist->start;
1375 av_usleep(pts - now);
1379 int guess_input_channel_layout(InputStream *ist)
1381 AVCodecContext *dec = ist->st->codec;
1383 if (!dec->channel_layout) {
1384 char layout_name[256];
1386 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1387 if (!dec->channel_layout)
1389 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1390 dec->channels, dec->channel_layout);
1391 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1392 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1397 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1399 AVFrame *decoded_frame;
1400 AVCodecContext *avctx = ist->st->codec;
1401 int i, ret, resample_changed;
1402 AVRational decoded_frame_tb;
1404 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1405 return AVERROR(ENOMEM);
1407 avcodec_get_frame_defaults(ist->decoded_frame);
1408 decoded_frame = ist->decoded_frame;
1410 update_benchmark(NULL);
1411 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1412 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1416 if (avctx->sample_rate <= 0) {
1417 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1418 return AVERROR_INVALIDDATA;
1422 /* no audio frame */
1424 for (i = 0; i < ist->nb_filters; i++)
1425 av_buffersrc_add_ref(ist->filters[i]->filter, NULL,
1426 AV_BUFFERSRC_FLAG_NO_COPY);
1431 /* increment next_dts to use for the case where the input stream does not
1432 have timestamps or there are multiple frames in the packet */
1433 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1435 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1439 rate_emu_sleep(ist);
1441 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1442 ist->resample_channels != avctx->channels ||
1443 ist->resample_channel_layout != decoded_frame->channel_layout ||
1444 ist->resample_sample_rate != decoded_frame->sample_rate;
1445 if (resample_changed) {
1446 char layout1[64], layout2[64];
1448 if (!guess_input_channel_layout(ist)) {
1449 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1450 "layout for Input Stream #%d.%d\n", ist->file_index,
1454 decoded_frame->channel_layout = avctx->channel_layout;
1456 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1457 ist->resample_channel_layout);
1458 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1459 decoded_frame->channel_layout);
1461 av_log(NULL, AV_LOG_INFO,
1462 "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",
1463 ist->file_index, ist->st->index,
1464 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1465 ist->resample_channels, layout1,
1466 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1467 avctx->channels, layout2);
1469 ist->resample_sample_fmt = decoded_frame->format;
1470 ist->resample_sample_rate = decoded_frame->sample_rate;
1471 ist->resample_channel_layout = decoded_frame->channel_layout;
1472 ist->resample_channels = avctx->channels;
1474 for (i = 0; i < nb_filtergraphs; i++)
1475 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1476 FilterGraph *fg = filtergraphs[i];
1478 if (configure_filtergraph(fg) < 0) {
1479 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1482 for (j = 0; j < fg->nb_outputs; j++) {
1483 OutputStream *ost = fg->outputs[j]->ost;
1484 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
1485 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
1486 av_buffersink_set_frame_size(ost->filter->filter,
1487 ost->st->codec->frame_size);
1492 /* if the decoder provides a pts, use it instead of the last packet pts.
1493 the decoder could be delaying output by a packet or more. */
1494 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1495 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1496 decoded_frame_tb = avctx->time_base;
1497 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1498 decoded_frame->pts = decoded_frame->pkt_pts;
1499 pkt->pts = AV_NOPTS_VALUE;
1500 decoded_frame_tb = ist->st->time_base;
1501 } else if (pkt->pts != AV_NOPTS_VALUE) {
1502 decoded_frame->pts = pkt->pts;
1503 pkt->pts = AV_NOPTS_VALUE;
1504 decoded_frame_tb = ist->st->time_base;
1506 decoded_frame->pts = ist->dts;
1507 decoded_frame_tb = AV_TIME_BASE_Q;
1509 if (decoded_frame->pts != AV_NOPTS_VALUE)
1510 decoded_frame->pts = av_rescale_q(decoded_frame->pts,
1512 (AVRational){1, ist->st->codec->sample_rate});
1513 for (i = 0; i < ist->nb_filters; i++)
1514 av_buffersrc_add_frame(ist->filters[i]->filter, decoded_frame, 0);
1516 decoded_frame->pts = AV_NOPTS_VALUE;
1521 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1523 AVFrame *decoded_frame;
1524 void *buffer_to_free = NULL;
1525 int i, ret = 0, resample_changed;
1526 int64_t best_effort_timestamp;
1527 AVRational *frame_sample_aspect;
1530 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1531 return AVERROR(ENOMEM);
1533 avcodec_get_frame_defaults(ist->decoded_frame);
1534 decoded_frame = ist->decoded_frame;
1535 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1537 update_benchmark(NULL);
1538 ret = avcodec_decode_video2(ist->st->codec,
1539 decoded_frame, got_output, pkt);
1540 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1544 quality = same_quant ? decoded_frame->quality : 0;
1546 /* no picture yet */
1548 for (i = 0; i < ist->nb_filters; i++)
1549 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, AV_BUFFERSRC_FLAG_NO_COPY);
1553 if(ist->top_field_first>=0)
1554 decoded_frame->top_field_first = ist->top_field_first;
1556 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
1557 if(best_effort_timestamp != AV_NOPTS_VALUE)
1558 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
1561 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
1562 "frame_pts:%s frame_pts_time:%s best_effort_ts:%"PRId64" best_effort_ts_time:%s keyframe:%d frame_type:%d \n",
1563 ist->st->index, av_ts2str(decoded_frame->pts),
1564 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
1565 best_effort_timestamp,
1566 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
1567 decoded_frame->key_frame, decoded_frame->pict_type);
1571 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1573 rate_emu_sleep(ist);
1575 if (ist->st->sample_aspect_ratio.num)
1576 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1578 resample_changed = ist->resample_width != decoded_frame->width ||
1579 ist->resample_height != decoded_frame->height ||
1580 ist->resample_pix_fmt != decoded_frame->format;
1581 if (resample_changed) {
1582 av_log(NULL, AV_LOG_INFO,
1583 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1584 ist->file_index, ist->st->index,
1585 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1586 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1588 ist->resample_width = decoded_frame->width;
1589 ist->resample_height = decoded_frame->height;
1590 ist->resample_pix_fmt = decoded_frame->format;
1592 for (i = 0; i < nb_filtergraphs; i++)
1593 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1594 configure_filtergraph(filtergraphs[i]) < 0) {
1595 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1600 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
1601 for (i = 0; i < ist->nb_filters; i++) {
1602 int changed = ist->st->codec->width != ist->filters[i]->filter->outputs[0]->w
1603 || ist->st->codec->height != ist->filters[i]->filter->outputs[0]->h
1604 || ist->st->codec->pix_fmt != ist->filters[i]->filter->outputs[0]->format;
1605 // XXX what an ugly hack
1606 if (ist->filters[i]->graph->nb_outputs == 1)
1607 ist->filters[i]->graph->outputs[0]->ost->last_quality = quality;
1609 if (!frame_sample_aspect->num)
1610 *frame_sample_aspect = ist->st->sample_aspect_ratio;
1611 if (ist->dr1 && decoded_frame->type==FF_BUFFER_TYPE_USER && !changed) {
1612 FrameBuffer *buf = decoded_frame->opaque;
1613 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
1614 decoded_frame->data, decoded_frame->linesize,
1615 AV_PERM_READ | AV_PERM_PRESERVE,
1616 ist->st->codec->width, ist->st->codec->height,
1617 ist->st->codec->pix_fmt);
1619 avfilter_copy_frame_props(fb, decoded_frame);
1620 fb->buf->priv = buf;
1621 fb->buf->free = filter_release_buffer;
1623 av_assert0(buf->refcount>0);
1625 av_buffersrc_add_ref(ist->filters[i]->filter, fb,
1626 AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT |
1627 AV_BUFFERSRC_FLAG_NO_COPY);
1629 if(av_buffersrc_add_frame(ist->filters[i]->filter, decoded_frame, 0)<0) {
1630 av_log(NULL, AV_LOG_FATAL, "Failed to inject frame into filter network\n");
1636 av_free(buffer_to_free);
1640 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1642 AVSubtitle subtitle;
1643 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1644 &subtitle, got_output, pkt);
1645 if (ret < 0 || !*got_output) {
1647 sub2video_flush(ist);
1651 rate_emu_sleep(ist);
1653 sub2video_update(ist, &subtitle, pkt->pts);
1655 for (i = 0; i < nb_output_streams; i++) {
1656 OutputStream *ost = output_streams[i];
1658 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1661 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
1664 avsubtitle_free(&subtitle);
1668 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1669 static int output_packet(InputStream *ist, const AVPacket *pkt)
1675 if (!ist->saw_first_ts) {
1676 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;
1678 if (pkt != NULL && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
1679 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1680 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
1682 ist->saw_first_ts = 1;
1685 if (ist->next_dts == AV_NOPTS_VALUE)
1686 ist->next_dts = ist->dts;
1687 if (ist->next_pts == AV_NOPTS_VALUE)
1688 ist->next_pts = ist->pts;
1692 av_init_packet(&avpkt);
1700 if (pkt->dts != AV_NOPTS_VALUE) {
1701 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1702 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
1703 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1706 // while we have more to decode or while the decoder did output something on EOF
1707 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
1711 ist->pts = ist->next_pts;
1712 ist->dts = ist->next_dts;
1714 if (avpkt.size && avpkt.size != pkt->size) {
1715 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1716 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1717 ist->showed_multi_packet_warning = 1;
1720 switch (ist->st->codec->codec_type) {
1721 case AVMEDIA_TYPE_AUDIO:
1722 ret = decode_audio (ist, &avpkt, &got_output);
1724 case AVMEDIA_TYPE_VIDEO:
1725 ret = decode_video (ist, &avpkt, &got_output);
1726 if (avpkt.duration) {
1727 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
1728 } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
1729 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1730 duration = ((int64_t)AV_TIME_BASE *
1731 ist->st->codec->time_base.num * ticks) /
1732 ist->st->codec->time_base.den;
1736 if(ist->dts != AV_NOPTS_VALUE && duration) {
1737 ist->next_dts += duration;
1739 ist->next_dts = AV_NOPTS_VALUE;
1742 ist->next_pts += duration; //FIXME the duration is not correct in some cases
1744 case AVMEDIA_TYPE_SUBTITLE:
1745 ret = transcode_subtitles(ist, &avpkt, &got_output);
1755 avpkt.pts= AV_NOPTS_VALUE;
1757 // touch data and size only if not EOF
1759 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
1769 /* handle stream copy */
1770 if (!ist->decoding_needed) {
1771 rate_emu_sleep(ist);
1772 ist->dts = ist->next_dts;
1773 switch (ist->st->codec->codec_type) {
1774 case AVMEDIA_TYPE_AUDIO:
1775 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1776 ist->st->codec->sample_rate;
1778 case AVMEDIA_TYPE_VIDEO:
1779 if (pkt->duration) {
1780 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
1781 } else if(ist->st->codec->time_base.num != 0) {
1782 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
1783 ist->next_dts += ((int64_t)AV_TIME_BASE *
1784 ist->st->codec->time_base.num * ticks) /
1785 ist->st->codec->time_base.den;
1789 ist->pts = ist->dts;
1790 ist->next_pts = ist->next_dts;
1792 for (i = 0; pkt && i < nb_output_streams; i++) {
1793 OutputStream *ost = output_streams[i];
1795 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1798 do_streamcopy(ist, ost, pkt);
1804 static void print_sdp(void)
1808 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
1812 for (i = 0; i < nb_output_files; i++)
1813 avc[i] = output_files[i]->ctx;
1815 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
1816 printf("SDP:\n%s\n", sdp);
1821 static int init_input_stream(int ist_index, char *error, int error_len)
1823 InputStream *ist = input_streams[ist_index];
1825 if (ist->decoding_needed) {
1826 AVCodec *codec = ist->dec;
1828 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
1829 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
1830 return AVERROR(EINVAL);
1833 ist->dr1 = (codec->capabilities & CODEC_CAP_DR1) && !do_deinterlace;
1834 if (codec->type == AVMEDIA_TYPE_VIDEO && ist->dr1) {
1835 ist->st->codec->get_buffer = codec_get_buffer;
1836 ist->st->codec->release_buffer = codec_release_buffer;
1837 ist->st->codec->opaque = &ist->buffer_pool;
1840 if (!av_dict_get(ist->opts, "threads", NULL, 0))
1841 av_dict_set(&ist->opts, "threads", "auto", 0);
1842 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1843 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
1844 ist->file_index, ist->st->index);
1845 return AVERROR(EINVAL);
1847 assert_codec_experimental(ist->st->codec, 0);
1848 assert_avoptions(ist->opts);
1851 ist->next_pts = AV_NOPTS_VALUE;
1852 ist->next_dts = AV_NOPTS_VALUE;
1858 static InputStream *get_input_stream(OutputStream *ost)
1860 if (ost->source_index >= 0)
1861 return input_streams[ost->source_index];
1865 static void parse_forced_key_frames(char *kf, OutputStream *ost,
1866 AVCodecContext *avctx)
1872 for (p = kf; *p; p++)
1875 ost->forced_kf_count = n;
1876 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1877 if (!ost->forced_kf_pts) {
1878 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1883 for (i = 0; i < n; i++) {
1884 char *next = strchr(p, ',');
1889 t = parse_time_or_die("force_key_frames", p, 1);
1890 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1896 static void report_new_stream(int input_index, AVPacket *pkt)
1898 InputFile *file = input_files[input_index];
1899 AVStream *st = file->ctx->streams[pkt->stream_index];
1901 if (pkt->stream_index < file->nb_streams_warn)
1903 av_log(file->ctx, AV_LOG_WARNING,
1904 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
1905 av_get_media_type_string(st->codec->codec_type),
1906 input_index, pkt->stream_index,
1907 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
1908 file->nb_streams_warn = pkt->stream_index + 1;
1911 static int transcode_init(void)
1913 int ret = 0, i, j, k;
1914 AVFormatContext *oc;
1915 AVCodecContext *codec, *icodec = NULL;
1921 /* init framerate emulation */
1922 for (i = 0; i < nb_input_files; i++) {
1923 InputFile *ifile = input_files[i];
1924 if (ifile->rate_emu)
1925 for (j = 0; j < ifile->nb_streams; j++)
1926 input_streams[j + ifile->ist_index]->start = av_gettime();
1929 /* output stream init */
1930 for (i = 0; i < nb_output_files; i++) {
1931 oc = output_files[i]->ctx;
1932 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
1933 av_dump_format(oc, i, oc->filename, 1);
1934 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
1935 return AVERROR(EINVAL);
1939 /* init complex filtergraphs */
1940 for (i = 0; i < nb_filtergraphs; i++)
1941 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
1944 /* for each output stream, we compute the right encoding parameters */
1945 for (i = 0; i < nb_output_streams; i++) {
1946 ost = output_streams[i];
1947 oc = output_files[ost->file_index]->ctx;
1948 ist = get_input_stream(ost);
1950 if (ost->attachment_filename)
1953 codec = ost->st->codec;
1956 icodec = ist->st->codec;
1958 ost->st->disposition = ist->st->disposition;
1959 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
1960 codec->chroma_sample_location = icodec->chroma_sample_location;
1963 if (ost->stream_copy) {
1964 uint64_t extra_size;
1966 av_assert0(ist && !ost->filter);
1968 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1970 if (extra_size > INT_MAX) {
1971 return AVERROR(EINVAL);
1974 /* if stream_copy is selected, no need to decode or encode */
1975 codec->codec_id = icodec->codec_id;
1976 codec->codec_type = icodec->codec_type;
1978 if (!codec->codec_tag) {
1979 if (!oc->oformat->codec_tag ||
1980 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
1981 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
1982 codec->codec_tag = icodec->codec_tag;
1985 codec->bit_rate = icodec->bit_rate;
1986 codec->rc_max_rate = icodec->rc_max_rate;
1987 codec->rc_buffer_size = icodec->rc_buffer_size;
1988 codec->field_order = icodec->field_order;
1989 codec->extradata = av_mallocz(extra_size);
1990 if (!codec->extradata) {
1991 return AVERROR(ENOMEM);
1993 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1994 codec->extradata_size= icodec->extradata_size;
1995 codec->bits_per_coded_sample = icodec->bits_per_coded_sample;
1997 codec->time_base = ist->st->time_base;
1999 * Avi is a special case here because it supports variable fps but
2000 * having the fps and timebase differe significantly adds quite some
2003 if(!strcmp(oc->oformat->name, "avi")) {
2004 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2005 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2006 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(icodec->time_base)
2007 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(icodec->time_base) < 1.0/500
2009 codec->time_base.num = ist->st->r_frame_rate.den;
2010 codec->time_base.den = 2*ist->st->r_frame_rate.num;
2011 codec->ticks_per_frame = 2;
2012 } else if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2013 && av_q2d(ist->st->time_base) < 1.0/500
2015 codec->time_base = icodec->time_base;
2016 codec->time_base.num *= icodec->ticks_per_frame;
2017 codec->time_base.den *= 2;
2018 codec->ticks_per_frame = 2;
2020 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2021 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2022 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2024 if( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2025 && av_q2d(ist->st->time_base) < 1.0/500
2027 codec->time_base = icodec->time_base;
2028 codec->time_base.num *= icodec->ticks_per_frame;
2032 if(ost->frame_rate.num)
2033 codec->time_base = av_inv_q(ost->frame_rate);
2035 av_reduce(&codec->time_base.num, &codec->time_base.den,
2036 codec->time_base.num, codec->time_base.den, INT_MAX);
2038 switch (codec->codec_type) {
2039 case AVMEDIA_TYPE_AUDIO:
2040 if (audio_volume != 256) {
2041 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2044 codec->channel_layout = icodec->channel_layout;
2045 codec->sample_rate = icodec->sample_rate;
2046 codec->channels = icodec->channels;
2047 codec->frame_size = icodec->frame_size;
2048 codec->audio_service_type = icodec->audio_service_type;
2049 codec->block_align = icodec->block_align;
2050 if((codec->block_align == 1 || codec->block_align == 1152) && codec->codec_id == AV_CODEC_ID_MP3)
2051 codec->block_align= 0;
2052 if(codec->codec_id == AV_CODEC_ID_AC3)
2053 codec->block_align= 0;
2055 case AVMEDIA_TYPE_VIDEO:
2056 codec->pix_fmt = icodec->pix_fmt;
2057 codec->width = icodec->width;
2058 codec->height = icodec->height;
2059 codec->has_b_frames = icodec->has_b_frames;
2060 if (!codec->sample_aspect_ratio.num) {
2061 codec->sample_aspect_ratio =
2062 ost->st->sample_aspect_ratio =
2063 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2064 ist->st->codec->sample_aspect_ratio.num ?
2065 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2067 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2069 case AVMEDIA_TYPE_SUBTITLE:
2070 codec->width = icodec->width;
2071 codec->height = icodec->height;
2073 case AVMEDIA_TYPE_DATA:
2074 case AVMEDIA_TYPE_ATTACHMENT:
2081 ost->enc = avcodec_find_encoder(codec->codec_id);
2083 /* should only happen when a default codec is not present. */
2084 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2085 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2086 ret = AVERROR(EINVAL);
2091 ist->decoding_needed = 1;
2092 ost->encoding_needed = 1;
2095 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2096 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
2098 fg = init_simple_filtergraph(ist, ost);
2099 if (configure_filtergraph(fg)) {
2100 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2105 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2106 if (ost->filter && !ost->frame_rate.num)
2107 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2108 if (ist && !ost->frame_rate.num)
2109 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1};
2110 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2111 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2112 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2113 ost->frame_rate = ost->enc->supported_framerates[idx];
2117 switch (codec->codec_type) {
2118 case AVMEDIA_TYPE_AUDIO:
2119 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
2120 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2121 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2122 codec->channels = av_get_channel_layout_nb_channels(codec->channel_layout);
2123 codec->time_base = (AVRational){ 1, codec->sample_rate };
2125 case AVMEDIA_TYPE_VIDEO:
2126 codec->time_base = av_inv_q(ost->frame_rate);
2127 if (ost->filter && !(codec->time_base.num && codec->time_base.den))
2128 codec->time_base = ost->filter->filter->inputs[0]->time_base;
2129 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2130 && (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2131 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2132 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2134 for (j = 0; j < ost->forced_kf_count; j++)
2135 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2139 codec->width = ost->filter->filter->inputs[0]->w;
2140 codec->height = ost->filter->filter->inputs[0]->h;
2141 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2142 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
2143 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
2144 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2145 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
2148 codec->width != icodec->width ||
2149 codec->height != icodec->height ||
2150 codec->pix_fmt != icodec->pix_fmt) {
2151 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
2154 if (ost->forced_keyframes)
2155 parse_forced_key_frames(ost->forced_keyframes, ost,
2158 case AVMEDIA_TYPE_SUBTITLE:
2159 codec->time_base = (AVRational){1, 1000};
2166 if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2167 char logfilename[1024];
2170 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2171 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2173 if (!strcmp(ost->enc->name, "libx264")) {
2174 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2176 if (codec->flags & CODEC_FLAG_PASS2) {
2178 size_t logbuffer_size;
2179 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2180 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2184 codec->stats_in = logbuffer;
2186 if (codec->flags & CODEC_FLAG_PASS1) {
2187 f = fopen(logfilename, "wb");
2189 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2190 logfilename, strerror(errno));
2200 /* open each encoder */
2201 for (i = 0; i < nb_output_streams; i++) {
2202 ost = output_streams[i];
2203 if (ost->encoding_needed) {
2204 AVCodec *codec = ost->enc;
2205 AVCodecContext *dec = NULL;
2207 if ((ist = get_input_stream(ost)))
2208 dec = ist->st->codec;
2209 if (dec && dec->subtitle_header) {
2210 /* ASS code assumes this buffer is null terminated so add extra byte. */
2211 ost->st->codec->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
2212 if (!ost->st->codec->subtitle_header) {
2213 ret = AVERROR(ENOMEM);
2216 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2217 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2219 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2220 av_dict_set(&ost->opts, "threads", "auto", 0);
2221 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2222 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2223 ost->file_index, ost->index);
2224 ret = AVERROR(EINVAL);
2227 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2228 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
2229 av_buffersink_set_frame_size(ost->filter->filter,
2230 ost->st->codec->frame_size);
2231 assert_codec_experimental(ost->st->codec, 1);
2232 assert_avoptions(ost->opts);
2233 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2234 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2235 " It takes bits/s as argument, not kbits/s\n");
2236 extra_size += ost->st->codec->extradata_size;
2238 if (ost->st->codec->me_threshold)
2239 input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
2243 /* init input streams */
2244 for (i = 0; i < nb_input_streams; i++)
2245 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
2248 /* discard unused programs */
2249 for (i = 0; i < nb_input_files; i++) {
2250 InputFile *ifile = input_files[i];
2251 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2252 AVProgram *p = ifile->ctx->programs[j];
2253 int discard = AVDISCARD_ALL;
2255 for (k = 0; k < p->nb_stream_indexes; k++)
2256 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2257 discard = AVDISCARD_DEFAULT;
2260 p->discard = discard;
2264 /* open files and write file headers */
2265 for (i = 0; i < nb_output_files; i++) {
2266 oc = output_files[i]->ctx;
2267 oc->interrupt_callback = int_cb;
2268 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
2270 const char *errbuf_ptr = errbuf;
2271 if (av_strerror(ret, errbuf, sizeof(errbuf)) < 0)
2272 errbuf_ptr = strerror(AVUNERROR(ret));
2273 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?): %s", i, errbuf_ptr);
2274 ret = AVERROR(EINVAL);
2277 // assert_avoptions(output_files[i]->opts);
2278 if (strcmp(oc->oformat->name, "rtp")) {
2284 /* dump the file output parameters - cannot be done before in case
2286 for (i = 0; i < nb_output_files; i++) {
2287 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
2290 /* dump the stream mapping */
2291 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2292 for (i = 0; i < nb_input_streams; i++) {
2293 ist = input_streams[i];
2295 for (j = 0; j < ist->nb_filters; j++) {
2296 if (ist->filters[j]->graph->graph_desc) {
2297 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2298 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
2299 ist->filters[j]->name);
2300 if (nb_filtergraphs > 1)
2301 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2302 av_log(NULL, AV_LOG_INFO, "\n");
2307 for (i = 0; i < nb_output_streams; i++) {
2308 ost = output_streams[i];
2310 if (ost->attachment_filename) {
2311 /* an attached file */
2312 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2313 ost->attachment_filename, ost->file_index, ost->index);
2317 if (ost->filter && ost->filter->graph->graph_desc) {
2318 /* output from a complex graph */
2319 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
2320 if (nb_filtergraphs > 1)
2321 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2323 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2324 ost->index, ost->enc ? ost->enc->name : "?");
2328 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2329 input_streams[ost->source_index]->file_index,
2330 input_streams[ost->source_index]->st->index,
2333 if (ost->sync_ist != input_streams[ost->source_index])
2334 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2335 ost->sync_ist->file_index,
2336 ost->sync_ist->st->index);
2337 if (ost->stream_copy)
2338 av_log(NULL, AV_LOG_INFO, " (copy)");
2340 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
2341 input_streams[ost->source_index]->dec->name : "?",
2342 ost->enc ? ost->enc->name : "?");
2343 av_log(NULL, AV_LOG_INFO, "\n");
2347 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2359 * @return 1 if there are still streams where more output is wanted,
2362 static int need_output(void)
2366 for (i = 0; i < nb_output_streams; i++) {
2367 OutputStream *ost = output_streams[i];
2368 OutputFile *of = output_files[ost->file_index];
2369 AVFormatContext *os = output_files[ost->file_index]->ctx;
2371 if (ost->is_past_recording_time ||
2372 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2374 if (ost->frame_number >= ost->max_frames) {
2376 for (j = 0; j < of->ctx->nb_streams; j++)
2377 output_streams[of->ost_index + j]->is_past_recording_time = 1;
2387 static int input_acceptable(InputStream *ist)
2389 av_assert1(!ist->discard);
2390 return !input_files[ist->file_index]->unavailable &&
2391 !input_files[ist->file_index]->eof_reached;
2394 static int find_graph_input(FilterGraph *graph)
2396 int i, nb_req_max = 0, file_index = -1;
2398 for (i = 0; i < graph->nb_inputs; i++) {
2399 int nb_req = av_buffersrc_get_nb_failed_requests(graph->inputs[i]->filter);
2400 if (nb_req > nb_req_max) {
2401 InputStream *ist = graph->inputs[i]->ist;
2402 if (input_acceptable(ist)) {
2403 nb_req_max = nb_req;
2404 file_index = ist->file_index;
2413 * Select the input file to read from.
2415 * @return >=0 index of the input file to use;
2416 * -1 if no file is acceptable;
2417 * -2 to read from filters without reading from a file
2419 static int select_input_file(void)
2421 int i, ret, nb_active_out = nb_output_streams, ost_index = -1;
2424 AVFilterBufferRef *dummy;
2426 for (i = 0; i < nb_output_streams; i++)
2427 nb_active_out -= output_streams[i]->unavailable =
2428 output_streams[i]->is_past_recording_time;
2429 while (nb_active_out) {
2430 opts_min = INT64_MAX;
2432 for (i = 0; i < nb_output_streams; i++) {
2433 OutputStream *ost = output_streams[i];
2434 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
2436 if (!ost->unavailable && opts < opts_min) {
2444 ost = output_streams[ost_index];
2445 if (ost->source_index >= 0) {
2446 /* ost is directly connected to an input */
2447 InputStream *ist = input_streams[ost->source_index];
2448 if (input_acceptable(ist))
2449 return ist->file_index;
2451 /* ost is connected to a complex filtergraph */
2452 av_assert1(ost->filter);
2453 ret = av_buffersink_get_buffer_ref(ost->filter->filter, &dummy,
2454 AV_BUFFERSINK_FLAG_PEEK);
2457 ret = find_graph_input(ost->filter->graph);
2461 ost->unavailable = 1;
2467 static int check_keyboard_interaction(int64_t cur_time)
2470 static int64_t last_time;
2471 if (received_nb_signals)
2472 return AVERROR_EXIT;
2473 /* read_key() returns 0 on EOF */
2474 if(cur_time - last_time >= 100000 && !run_as_daemon){
2476 last_time = cur_time;
2480 return AVERROR_EXIT;
2481 if (key == '+') av_log_set_level(av_log_get_level()+10);
2482 if (key == '-') av_log_set_level(av_log_get_level()-10);
2483 if (key == 's') qp_hist ^= 1;
2486 do_hex_dump = do_pkt_dump = 0;
2487 } else if(do_pkt_dump){
2491 av_log_set_level(AV_LOG_DEBUG);
2493 if (key == 'c' || key == 'C'){
2494 char buf[4096], target[64], command[256], arg[256] = {0};
2497 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2499 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2504 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2505 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2506 target, time, command, arg);
2507 for (i = 0; i < nb_filtergraphs; i++) {
2508 FilterGraph *fg = filtergraphs[i];
2511 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
2512 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2513 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
2515 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
2520 av_log(NULL, AV_LOG_ERROR,
2521 "Parse error, at least 3 arguments were expected, "
2522 "only %d given in string '%s'\n", n, buf);
2525 if (key == 'd' || key == 'D'){
2528 debug = input_streams[0]->st->codec->debug<<1;
2529 if(!debug) debug = 1;
2530 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2533 if(scanf("%d", &debug)!=1)
2534 fprintf(stderr,"error parsing debug value\n");
2535 for(i=0;i<nb_input_streams;i++) {
2536 input_streams[i]->st->codec->debug = debug;
2538 for(i=0;i<nb_output_streams;i++) {
2539 OutputStream *ost = output_streams[i];
2540 ost->st->codec->debug = debug;
2542 if(debug) av_log_set_level(AV_LOG_DEBUG);
2543 fprintf(stderr,"debug=%d\n", debug);
2546 fprintf(stderr, "key function\n"
2547 "? show this help\n"
2548 "+ increase verbosity\n"
2549 "- decrease verbosity\n"
2550 "c Send command to filtergraph\n"
2551 "D cycle through available debug modes\n"
2552 "h dump packets/hex press to cycle through the 3 states\n"
2554 "s Show QP histogram\n"
2561 static void *input_thread(void *arg)
2566 while (!transcoding_finished && ret >= 0) {
2568 ret = av_read_frame(f->ctx, &pkt);
2570 if (ret == AVERROR(EAGAIN)) {
2577 pthread_mutex_lock(&f->fifo_lock);
2578 while (!av_fifo_space(f->fifo))
2579 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
2581 av_dup_packet(&pkt);
2582 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
2584 pthread_mutex_unlock(&f->fifo_lock);
2591 static void free_input_threads(void)
2595 if (nb_input_files == 1)
2598 transcoding_finished = 1;
2600 for (i = 0; i < nb_input_files; i++) {
2601 InputFile *f = input_files[i];
2604 if (!f->fifo || f->joined)
2607 pthread_mutex_lock(&f->fifo_lock);
2608 while (av_fifo_size(f->fifo)) {
2609 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2610 av_free_packet(&pkt);
2612 pthread_cond_signal(&f->fifo_cond);
2613 pthread_mutex_unlock(&f->fifo_lock);
2615 pthread_join(f->thread, NULL);
2618 while (av_fifo_size(f->fifo)) {
2619 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2620 av_free_packet(&pkt);
2622 av_fifo_free(f->fifo);
2626 static int init_input_threads(void)
2630 if (nb_input_files == 1)
2633 for (i = 0; i < nb_input_files; i++) {
2634 InputFile *f = input_files[i];
2636 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
2637 return AVERROR(ENOMEM);
2639 pthread_mutex_init(&f->fifo_lock, NULL);
2640 pthread_cond_init (&f->fifo_cond, NULL);
2642 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
2643 return AVERROR(ret);
2648 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
2652 pthread_mutex_lock(&f->fifo_lock);
2654 if (av_fifo_size(f->fifo)) {
2655 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
2656 pthread_cond_signal(&f->fifo_cond);
2661 ret = AVERROR(EAGAIN);
2664 pthread_mutex_unlock(&f->fifo_lock);
2670 static int get_input_packet(InputFile *f, AVPacket *pkt)
2673 if (nb_input_files > 1)
2674 return get_input_packet_mt(f, pkt);
2676 return av_read_frame(f->ctx, pkt);
2680 * The following code is the main loop of the file converter
2682 static int transcode(void)
2685 AVFormatContext *is, *os;
2688 int no_packet_count = 0;
2689 int64_t timer_start;
2691 ret = transcode_init();
2695 if (stdin_interaction) {
2696 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
2699 timer_start = av_gettime();
2702 if ((ret = init_input_threads()) < 0)
2706 for (; received_sigterm == 0;) {
2707 int file_index, ist_index;
2709 int64_t cur_time= av_gettime();
2711 /* if 'q' pressed, exits */
2712 if (stdin_interaction)
2713 if (check_keyboard_interaction(cur_time) < 0)
2716 /* check if there's any stream where output is still needed */
2717 if (!need_output()) {
2718 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
2722 /* select the stream that we must read now */
2723 file_index = select_input_file();
2724 /* if none, if is finished */
2725 if (file_index == -2) {
2729 if (file_index < 0) {
2730 if (no_packet_count) {
2731 no_packet_count = 0;
2732 for (i = 0; i < nb_input_files; i++)
2733 input_files[i]->unavailable = 0;
2737 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
2741 is = input_files[file_index]->ctx;
2742 ret = get_input_packet(input_files[file_index], &pkt);
2744 if (ret == AVERROR(EAGAIN)) {
2745 input_files[file_index]->unavailable = 1;
2750 if (ret != AVERROR_EOF) {
2751 print_error(is->filename, ret);
2755 input_files[file_index]->eof_reached = 1;
2757 for (i = 0; i < input_files[file_index]->nb_streams; i++) {
2758 ist = input_streams[input_files[file_index]->ist_index + i];
2759 if (ist->decoding_needed)
2760 output_packet(ist, NULL);
2770 no_packet_count = 0;
2771 for (i = 0; i < nb_input_files; i++)
2772 input_files[i]->unavailable = 0;
2775 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2776 is->streams[pkt.stream_index]);
2778 /* the following test is needed in case new streams appear
2779 dynamically in stream : we ignore them */
2780 if (pkt.stream_index >= input_files[file_index]->nb_streams) {
2781 report_new_stream(file_index, &pkt);
2782 goto discard_packet;
2784 ist_index = input_files[file_index]->ist_index + pkt.stream_index;
2785 ist = input_streams[ist_index];
2787 goto discard_packet;
2789 if(!ist->wrap_correction_done && input_files[file_index]->ctx->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
2790 uint64_t stime = av_rescale_q(input_files[file_index]->ctx->start_time, AV_TIME_BASE_Q, ist->st->time_base);
2791 uint64_t stime2= stime + (1LL<<ist->st->pts_wrap_bits);
2792 ist->wrap_correction_done = 1;
2793 if(pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime && pkt.dts - stime > stime2 - pkt.dts) {
2794 pkt.dts -= 1LL<<ist->st->pts_wrap_bits;
2795 ist->wrap_correction_done = 0;
2797 if(pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime && pkt.pts - stime > stime2 - pkt.pts) {
2798 pkt.pts -= 1LL<<ist->st->pts_wrap_bits;
2799 ist->wrap_correction_done = 0;
2803 if (pkt.dts != AV_NOPTS_VALUE)
2804 pkt.dts += av_rescale_q(input_files[ist->file_index]->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2805 if (pkt.pts != AV_NOPTS_VALUE)
2806 pkt.pts += av_rescale_q(input_files[ist->file_index]->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2808 if (pkt.pts != AV_NOPTS_VALUE)
2809 pkt.pts *= ist->ts_scale;
2810 if (pkt.dts != AV_NOPTS_VALUE)
2811 pkt.dts *= ist->ts_scale;
2814 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
2815 "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",
2816 ist_index, av_get_media_type_string(ist->st->codec->codec_type),
2817 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
2818 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
2819 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
2820 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
2821 input_files[ist->file_index]->ts_offset);
2824 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE && !copy_ts) {
2825 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2826 int64_t delta = pkt_dts - ist->next_dts;
2827 if (is->iformat->flags & AVFMT_TS_DISCONT) {
2828 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
2829 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
2830 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2831 pkt_dts+1<ist->pts){
2832 input_files[ist->file_index]->ts_offset -= delta;
2833 av_log(NULL, AV_LOG_DEBUG,
2834 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2835 delta, input_files[ist->file_index]->ts_offset);
2836 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2837 if (pkt.pts != AV_NOPTS_VALUE)
2838 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2841 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
2842 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2843 pkt_dts+1<ist->pts){
2844 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
2845 pkt.dts = AV_NOPTS_VALUE;
2847 if (pkt.pts != AV_NOPTS_VALUE){
2848 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
2849 delta = pkt_pts - ist->next_dts;
2850 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
2851 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2852 pkt_pts+1<ist->pts) {
2853 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
2854 pkt.pts = AV_NOPTS_VALUE;
2860 sub2video_heartbeat(ist, pkt.pts);
2862 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2863 if ((ret = output_packet(ist, &pkt)) < 0 ||
2864 ((ret = poll_filters()) < 0 && ret != AVERROR_EOF)) {
2866 av_strerror(ret, buf, sizeof(buf));
2867 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
2868 ist->file_index, ist->st->index, buf);
2871 av_free_packet(&pkt);
2876 av_free_packet(&pkt);
2878 /* dump report by using the output first video and audio streams */
2879 print_report(0, timer_start, cur_time);
2882 free_input_threads();
2885 /* at the end of stream, we must flush the decoder buffers */
2886 for (i = 0; i < nb_input_streams; i++) {
2887 ist = input_streams[i];
2888 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
2889 output_packet(ist, NULL);
2897 /* write the trailer if needed and close file */
2898 for (i = 0; i < nb_output_files; i++) {
2899 os = output_files[i]->ctx;
2900 av_write_trailer(os);
2903 /* dump report by using the first video and audio streams */
2904 print_report(1, timer_start, av_gettime());
2906 /* close each encoder */
2907 for (i = 0; i < nb_output_streams; i++) {
2908 ost = output_streams[i];
2909 if (ost->encoding_needed) {
2910 av_freep(&ost->st->codec->stats_in);
2911 avcodec_close(ost->st->codec);
2915 /* close each decoder */
2916 for (i = 0; i < nb_input_streams; i++) {
2917 ist = input_streams[i];
2918 if (ist->decoding_needed) {
2919 avcodec_close(ist->st->codec);
2928 free_input_threads();
2931 if (output_streams) {
2932 for (i = 0; i < nb_output_streams; i++) {
2933 ost = output_streams[i];
2935 if (ost->stream_copy)
2936 av_freep(&ost->st->codec->extradata);
2938 fclose(ost->logfile);
2939 ost->logfile = NULL;
2941 av_freep(&ost->st->codec->subtitle_header);
2942 av_free(ost->forced_kf_pts);
2943 av_dict_free(&ost->opts);
2951 static int64_t getutime(void)
2954 struct rusage rusage;
2956 getrusage(RUSAGE_SELF, &rusage);
2957 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2958 #elif HAVE_GETPROCESSTIMES
2960 FILETIME c, e, k, u;
2961 proc = GetCurrentProcess();
2962 GetProcessTimes(proc, &c, &e, &k, &u);
2963 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
2965 return av_gettime();
2969 static int64_t getmaxrss(void)
2971 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
2972 struct rusage rusage;
2973 getrusage(RUSAGE_SELF, &rusage);
2974 return (int64_t)rusage.ru_maxrss * 1024;
2975 #elif HAVE_GETPROCESSMEMORYINFO
2977 PROCESS_MEMORY_COUNTERS memcounters;
2978 proc = GetCurrentProcess();
2979 memcounters.cb = sizeof(memcounters);
2980 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
2981 return memcounters.PeakPagefileUsage;
2987 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
2991 static void parse_cpuflags(int argc, char **argv, const OptionDef *options)
2993 int idx = locate_option(argc, argv, options, "cpuflags");
2994 if (idx && argv[idx + 1])
2995 opt_cpuflags("cpuflags", argv[idx + 1]);
2998 int main(int argc, char **argv)
3000 OptionsContext o = { 0 };
3003 reset_options(&o, 0);
3005 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3006 parse_loglevel(argc, argv, options);
3008 if(argc>1 && !strcmp(argv[1], "-d")){
3010 av_log_set_callback(log_callback_null);
3015 avcodec_register_all();
3017 avdevice_register_all();
3019 avfilter_register_all();
3021 avformat_network_init();
3023 show_banner(argc, argv, options);
3027 parse_cpuflags(argc, argv, options);
3030 parse_options(&o, argc, argv, options, opt_output_file);
3032 if (nb_output_files <= 0 && nb_input_files == 0) {
3034 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
3038 /* file converter / grab */
3039 if (nb_output_files <= 0) {
3040 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
3044 if (nb_input_files == 0) {
3045 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
3049 current_time = ti = getutime();
3050 if (transcode() < 0)
3052 ti = getutime() - ti;
3054 int maxrss = getmaxrss() / 1024;
3055 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);