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 int64_t video_size = 0;
111 static int64_t audio_size = 0;
112 static int64_t subtitle_size = 0;
113 static int64_t extra_size = 0;
114 static int nb_frames_dup = 0;
115 static int nb_frames_drop = 0;
117 static int current_time;
118 AVIOContext *progress_avio = NULL;
120 static uint8_t *subtitle_out;
123 /* signal to input threads that they should exit; set by the main thread */
124 static int transcoding_finished;
127 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
129 InputStream **input_streams = NULL;
130 int nb_input_streams = 0;
131 InputFile **input_files = NULL;
132 int nb_input_files = 0;
134 OutputStream **output_streams = NULL;
135 int nb_output_streams = 0;
136 OutputFile **output_files = NULL;
137 int nb_output_files = 0;
139 FilterGraph **filtergraphs;
144 /* init terminal so that we can grab keys */
145 static struct termios oldtty;
146 static int restore_tty;
151 Convert subtitles to video with alpha to insert them in filter graphs.
152 This is a temporary solution until libavfilter gets real subtitles support.
157 static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
160 uint32_t *pal, *dst2;
164 if (r->type != SUBTITLE_BITMAP) {
165 av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
168 if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
169 av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n");
173 dst += r->y * dst_linesize + r->x * 4;
174 src = r->pict.data[0];
175 pal = (uint32_t *)r->pict.data[1];
176 for (y = 0; y < r->h; y++) {
177 dst2 = (uint32_t *)dst;
179 for (x = 0; x < r->w; x++)
180 *(dst2++) = pal[*(src2++)];
182 src += r->pict.linesize[0];
186 static void sub2video_push_ref(InputStream *ist, int64_t pts)
188 AVFilterBufferRef *ref = ist->sub2video.ref;
191 ist->sub2video.last_pts = ref->pts = pts;
192 for (i = 0; i < ist->nb_filters; i++)
193 av_buffersrc_add_ref(ist->filters[i]->filter,
194 avfilter_ref_buffer(ref, ~0),
195 AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT |
196 AV_BUFFERSRC_FLAG_NO_COPY);
199 static void sub2video_update(InputStream *ist, AVSubtitle *sub, int64_t pts)
201 int w = ist->sub2video.w, h = ist->sub2video.h;
202 AVFilterBufferRef *ref = ist->sub2video.ref;
210 dst_linesize = ref->linesize[0];
211 memset(dst, 0, h * dst_linesize);
212 for (i = 0; i < sub->num_rects; i++)
213 sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]);
214 sub2video_push_ref(ist, pts);
217 static void sub2video_heartbeat(InputStream *ist, int64_t pts)
219 InputFile *infile = input_files[ist->file_index];
223 /* When a frame is read from a file, examine all sub2video streams in
224 the same file and send the sub2video frame again. Otherwise, decoded
225 video frames could be accumulating in the filter graph while a filter
226 (possibly overlay) is desperately waiting for a subtitle frame. */
227 for (i = 0; i < infile->nb_streams; i++) {
228 InputStream *ist2 = input_streams[infile->ist_index + i];
229 if (!ist2->sub2video.ref)
231 /* subtitles seem to be usually muxed ahead of other streams;
232 if not, substracting a larger time here is necessary */
233 pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
234 /* do not send the heartbeat frame if the subtitle is already ahead */
235 if (pts2 <= ist2->sub2video.last_pts)
237 for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
238 nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
240 sub2video_push_ref(ist2, pts2);
244 static void sub2video_flush(InputStream *ist)
248 for (i = 0; i < ist->nb_filters; i++)
249 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
252 /* end of sub2video hack */
256 av_log(NULL, AV_LOG_QUIET, "%s", "");
259 tcsetattr (0, TCSANOW, &oldtty);
263 static volatile int received_sigterm = 0;
264 static volatile int received_nb_signals = 0;
267 sigterm_handler(int sig)
269 received_sigterm = sig;
270 received_nb_signals++;
272 if(received_nb_signals > 3)
283 istty = isatty(0) && isatty(2);
285 if (istty && tcgetattr (0, &tty) == 0) {
290 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
291 |INLCR|IGNCR|ICRNL|IXON);
292 tty.c_oflag |= OPOST;
293 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
294 tty.c_cflag &= ~(CSIZE|PARENB);
299 tcsetattr (0, TCSANOW, &tty);
301 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
304 avformat_network_deinit();
306 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
307 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
309 signal(SIGXCPU, sigterm_handler);
313 /* read a key without blocking */
314 static int read_key(void)
326 n = select(1, &rfds, NULL, NULL, &tv);
335 # if HAVE_PEEKNAMEDPIPE
337 static HANDLE input_handle;
340 input_handle = GetStdHandle(STD_INPUT_HANDLE);
341 is_pipe = !GetConsoleMode(input_handle, &dw);
344 if (stdin->_cnt > 0) {
349 /* When running under a GUI, you will end here. */
350 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL))
367 static int decode_interrupt_cb(void *ctx)
369 return received_nb_signals > 1;
372 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
374 void av_noreturn exit_program(int ret)
378 for (i = 0; i < nb_filtergraphs; i++) {
379 avfilter_graph_free(&filtergraphs[i]->graph);
380 for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
381 av_freep(&filtergraphs[i]->inputs[j]->name);
382 av_freep(&filtergraphs[i]->inputs[j]);
384 av_freep(&filtergraphs[i]->inputs);
385 for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
386 av_freep(&filtergraphs[i]->outputs[j]->name);
387 av_freep(&filtergraphs[i]->outputs[j]);
389 av_freep(&filtergraphs[i]->outputs);
390 av_freep(&filtergraphs[i]);
392 av_freep(&filtergraphs);
394 av_freep(&subtitle_out);
397 for (i = 0; i < nb_output_files; i++) {
398 AVFormatContext *s = output_files[i]->ctx;
399 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
401 avformat_free_context(s);
402 av_dict_free(&output_files[i]->opts);
403 av_freep(&output_files[i]);
405 for (i = 0; i < nb_output_streams; i++) {
406 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
408 AVBitStreamFilterContext *next = bsfc->next;
409 av_bitstream_filter_close(bsfc);
412 output_streams[i]->bitstream_filters = NULL;
414 av_freep(&output_streams[i]->forced_keyframes);
415 av_freep(&output_streams[i]->avfilter);
416 av_freep(&output_streams[i]->filtered_frame);
417 av_freep(&output_streams[i]);
419 for (i = 0; i < nb_input_files; i++) {
420 avformat_close_input(&input_files[i]->ctx);
421 av_freep(&input_files[i]);
423 for (i = 0; i < nb_input_streams; i++) {
424 av_freep(&input_streams[i]->decoded_frame);
425 av_dict_free(&input_streams[i]->opts);
426 free_buffer_pool(&input_streams[i]->buffer_pool);
427 avfilter_unref_bufferp(&input_streams[i]->sub2video.ref);
428 av_freep(&input_streams[i]->filters);
429 av_freep(&input_streams[i]);
434 av_free(vstats_filename);
436 av_freep(&input_streams);
437 av_freep(&input_files);
438 av_freep(&output_streams);
439 av_freep(&output_files);
444 avformat_network_deinit();
446 if (received_sigterm) {
447 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
448 (int) received_sigterm);
455 void assert_avoptions(AVDictionary *m)
457 AVDictionaryEntry *t;
458 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
459 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
464 static void assert_codec_experimental(AVCodecContext *c, int encoder)
466 const char *codec_string = encoder ? "encoder" : "decoder";
468 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
469 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
470 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
471 "results.\nAdd '-strict experimental' if you want to use it.\n",
472 codec_string, c->codec->name);
473 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
474 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
475 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
476 codec_string, codec->name);
481 static void update_benchmark(const char *fmt, ...)
483 if (do_benchmark_all) {
484 int64_t t = getutime();
490 vsnprintf(buf, sizeof(buf), fmt, va);
492 printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
498 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
500 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
501 AVCodecContext *avctx = ost->st->codec;
504 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
505 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
506 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
508 if (avctx->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) {
509 int64_t max = ost->st->cur_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
510 if (ost->st->cur_dts && ost->st->cur_dts != AV_NOPTS_VALUE && max > pkt->dts) {
511 av_log(s, max - pkt->dts > 2 ? AV_LOG_WARNING : AV_LOG_DEBUG, "Audio timestamp %"PRId64" < %"PRId64" invalid, cliping\n", pkt->dts, max);
512 pkt->pts = pkt->dts = max;
517 * Audio encoders may split the packets -- #frames in != #packets out.
518 * But there is no reordering, so we can limit the number of output packets
519 * by simply dropping them here.
520 * Counting encoded video frames needs to be done separately because of
521 * reordering, see do_video_out()
523 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
524 if (ost->frame_number >= ost->max_frames) {
532 AVPacket new_pkt = *pkt;
533 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
534 &new_pkt.data, &new_pkt.size,
535 pkt->data, pkt->size,
536 pkt->flags & AV_PKT_FLAG_KEY);
537 if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
538 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
540 memcpy(t, new_pkt.data, new_pkt.size);
541 memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
549 new_pkt.destruct = av_destruct_packet;
551 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
552 bsfc->filter->name, pkt->stream_index,
553 avctx->codec ? avctx->codec->name : "copy");
563 pkt->stream_index = ost->index;
564 ret = av_interleaved_write_frame(s, pkt);
566 print_error("av_interleaved_write_frame()", ret);
571 static int check_recording_time(OutputStream *ost)
573 OutputFile *of = output_files[ost->file_index];
575 if (of->recording_time != INT64_MAX &&
576 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
577 AV_TIME_BASE_Q) >= 0) {
584 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
587 AVCodecContext *enc = ost->st->codec;
591 av_init_packet(&pkt);
595 if (!check_recording_time(ost))
598 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
599 frame->pts = ost->sync_opts;
600 ost->sync_opts = frame->pts + frame->nb_samples;
602 av_assert0(pkt.size || !pkt.data);
603 update_benchmark(NULL);
604 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
605 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
608 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
611 if (pkt.pts != AV_NOPTS_VALUE)
612 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
613 if (pkt.dts != AV_NOPTS_VALUE)
614 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
615 if (pkt.duration > 0)
616 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
619 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
620 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
621 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
622 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
625 write_frame(s, &pkt, ost);
627 audio_size += pkt.size;
628 av_free_packet(&pkt);
632 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
636 AVPicture picture_tmp;
639 dec = ist->st->codec;
641 /* deinterlace : must be done before any resize */
642 if (do_deinterlace) {
645 /* create temporary picture */
646 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
647 buf = av_malloc(size);
651 picture2 = &picture_tmp;
652 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
654 if (avpicture_deinterlace(picture2, picture,
655 dec->pix_fmt, dec->width, dec->height) < 0) {
656 /* if error, do not deinterlace */
657 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
666 if (picture != picture2)
667 *picture = *picture2;
671 static void do_subtitle_out(AVFormatContext *s,
677 int subtitle_out_max_size = 1024 * 1024;
678 int subtitle_out_size, nb, i;
682 if (pts == AV_NOPTS_VALUE) {
683 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
689 enc = ost->st->codec;
692 subtitle_out = av_malloc(subtitle_out_max_size);
695 /* Note: DVB subtitle need one packet to draw them and one other
696 packet to clear them */
697 /* XXX: signal it in the codec context ? */
698 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
703 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
704 pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q)
705 - output_files[ost->file_index]->start_time;
706 for (i = 0; i < nb; i++) {
707 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
708 if (!check_recording_time(ost))
712 // start_display_time is required to be 0
713 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
714 sub->end_display_time -= sub->start_display_time;
715 sub->start_display_time = 0;
718 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
719 subtitle_out_max_size, sub);
720 if (subtitle_out_size < 0) {
721 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
725 av_init_packet(&pkt);
726 pkt.data = subtitle_out;
727 pkt.size = subtitle_out_size;
728 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
729 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
730 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
731 /* XXX: the pts correction is handled here. Maybe handling
732 it in the codec would be better */
734 pkt.pts += 90 * sub->start_display_time;
736 pkt.pts += 90 * sub->end_display_time;
738 write_frame(s, &pkt, ost);
739 subtitle_size += pkt.size;
743 static void do_video_out(AVFormatContext *s,
748 int ret, format_video_sync;
750 AVCodecContext *enc = ost->st->codec;
752 double sync_ipts, delta;
755 InputStream *ist = NULL;
757 if (ost->source_index >= 0)
758 ist = input_streams[ost->source_index];
760 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
761 duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base));
763 sync_ipts = in_picture->pts;
764 delta = sync_ipts - ost->sync_opts + duration;
766 /* by default, we output a single frame */
769 format_video_sync = video_sync_method;
770 if (format_video_sync == VSYNC_AUTO)
771 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : 1;
773 switch (format_video_sync) {
775 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
778 else if (delta > 1.1)
779 nb_frames = lrintf(delta);
784 else if (delta > 0.6)
785 ost->sync_opts = lrint(sync_ipts);
788 case VSYNC_PASSTHROUGH:
789 ost->sync_opts = lrint(sync_ipts);
795 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
796 if (nb_frames == 0) {
798 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
800 } else if (nb_frames > 1) {
801 if (nb_frames > dts_error_threshold * 30) {
802 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skiping\n", nb_frames - 1);
806 nb_frames_dup += nb_frames - 1;
807 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
810 /* duplicates frame if needed */
811 for (i = 0; i < nb_frames; i++) {
812 av_init_packet(&pkt);
816 in_picture->pts = ost->sync_opts;
818 if (!check_recording_time(ost))
821 if (s->oformat->flags & AVFMT_RAWPICTURE &&
822 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
823 /* raw pictures are written as AVPicture structure to
824 avoid any copies. We support temporarily the older
826 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
827 enc->coded_frame->top_field_first = in_picture->top_field_first;
828 pkt.data = (uint8_t *)in_picture;
829 pkt.size = sizeof(AVPicture);
830 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
831 pkt.flags |= AV_PKT_FLAG_KEY;
833 write_frame(s, &pkt, ost);
834 video_size += pkt.size;
839 big_picture = *in_picture;
840 /* better than nothing: use input picture interlaced
842 big_picture.interlaced_frame = in_picture->interlaced_frame;
843 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
844 if (ost->top_field_first == -1)
845 big_picture.top_field_first = in_picture->top_field_first;
847 big_picture.top_field_first = !!ost->top_field_first;
850 /* handles same_quant here. This is not correct because it may
851 not be a global option */
852 big_picture.quality = quality;
853 if (!enc->me_threshold)
854 big_picture.pict_type = 0;
855 if (ost->forced_kf_index < ost->forced_kf_count &&
856 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
857 big_picture.pict_type = AV_PICTURE_TYPE_I;
858 ost->forced_kf_index++;
860 update_benchmark(NULL);
861 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
862 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
864 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
869 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
870 pkt.pts = ost->sync_opts;
872 if (pkt.pts != AV_NOPTS_VALUE)
873 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
874 if (pkt.dts != AV_NOPTS_VALUE)
875 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
878 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
879 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
880 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
881 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
884 write_frame(s, &pkt, ost);
885 frame_size = pkt.size;
886 video_size += pkt.size;
887 av_free_packet(&pkt);
889 /* if two pass, output log */
890 if (ost->logfile && enc->stats_out) {
891 fprintf(ost->logfile, "%s", enc->stats_out);
897 * For video, number of frames in == number of packets out.
898 * But there may be reordering, so we can't throw away frames on encoder
899 * flush, we need to limit them here, before they go into encoder.
904 if (vstats_filename && frame_size)
905 do_video_stats(output_files[ost->file_index]->ctx, ost, frame_size);
908 static double psnr(double d)
910 return -10.0 * log(d) / log(10.0);
913 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
918 double ti1, bitrate, avg_bitrate;
920 /* this is executed just the first time do_video_stats is called */
922 vstats_file = fopen(vstats_filename, "w");
929 enc = ost->st->codec;
930 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
931 frame_number = ost->frame_number;
932 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
933 if (enc->flags&CODEC_FLAG_PSNR)
934 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
936 fprintf(vstats_file,"f_size= %6d ", frame_size);
937 /* compute pts value */
938 ti1 = ost->sync_opts * av_q2d(enc->time_base);
942 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
943 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
944 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
945 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
946 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
950 /* check for new output on any of the filtergraphs */
951 static int poll_filters(void)
953 AVFilterBufferRef *picref;
954 AVFrame *filtered_frame = NULL;
956 unsigned nb_success = 1, av_uninit(nb_eof);
960 /* Reap all buffers present in the buffer sinks */
961 for (i = 0; i < nb_output_streams; i++) {
962 OutputStream *ost = output_streams[i];
963 OutputFile *of = output_files[ost->file_index];
969 if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
970 return AVERROR(ENOMEM);
972 avcodec_get_frame_defaults(ost->filtered_frame);
973 filtered_frame = ost->filtered_frame;
976 ret = av_buffersink_get_buffer_ref(ost->filter->filter, &picref,
977 AV_BUFFERSINK_FLAG_NO_REQUEST);
979 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
981 av_strerror(ret, buf, sizeof(buf));
982 av_log(NULL, AV_LOG_WARNING,
983 "Error in av_buffersink_get_buffer_ref(): %s\n", buf);
987 frame_pts = AV_NOPTS_VALUE;
988 if (picref->pts != AV_NOPTS_VALUE) {
989 filtered_frame->pts = frame_pts = av_rescale_q(picref->pts,
990 ost->filter->filter->inputs[0]->time_base,
991 ost->st->codec->time_base) -
992 av_rescale_q(of->start_time,
994 ost->st->codec->time_base);
996 if (of->start_time && filtered_frame->pts < 0) {
997 avfilter_unref_buffer(picref);
1001 //if (ost->source_index >= 0)
1002 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1005 switch (ost->filter->filter->inputs[0]->type) {
1006 case AVMEDIA_TYPE_VIDEO:
1007 avfilter_copy_buf_props(filtered_frame, picref);
1008 filtered_frame->pts = frame_pts;
1009 if (!ost->frame_aspect_ratio)
1010 ost->st->codec->sample_aspect_ratio = picref->video->sample_aspect_ratio;
1012 do_video_out(of->ctx, ost, filtered_frame,
1013 same_quant ? ost->last_quality :
1014 ost->st->codec->global_quality);
1016 case AVMEDIA_TYPE_AUDIO:
1017 avfilter_copy_buf_props(filtered_frame, picref);
1018 filtered_frame->pts = frame_pts;
1019 do_audio_out(of->ctx, ost, filtered_frame);
1022 // TODO support subtitle filters
1026 avfilter_unref_buffer(picref);
1029 if (!nb_success) /* from last round */
1031 /* Request frames through all the graphs */
1032 ret_all = nb_success = nb_eof = 0;
1033 for (i = 0; i < nb_filtergraphs; i++) {
1034 ret = avfilter_graph_request_oldest(filtergraphs[i]->graph);
1037 } else if (ret == AVERROR_EOF) {
1039 } else if (ret != AVERROR(EAGAIN)) {
1041 av_strerror(ret, buf, sizeof(buf));
1042 av_log(NULL, AV_LOG_WARNING,
1043 "Error in request_frame(): %s\n", buf);
1047 /* Try again if anything succeeded */
1049 return nb_eof == nb_filtergraphs ? AVERROR_EOF : ret_all;
1052 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1055 AVBPrint buf_script;
1057 AVFormatContext *oc;
1059 AVCodecContext *enc;
1060 int frame_number, vid, i;
1062 int64_t pts = INT64_MAX;
1063 static int64_t last_time = -1;
1064 static int qp_histogram[52];
1065 int hours, mins, secs, us;
1067 if (!print_stats && !is_last_report && !progress_avio)
1070 if (!is_last_report) {
1071 if (last_time == -1) {
1072 last_time = cur_time;
1075 if ((cur_time - last_time) < 500000)
1077 last_time = cur_time;
1081 oc = output_files[0]->ctx;
1083 total_size = avio_size(oc->pb);
1084 if (total_size < 0) { // FIXME improve avio_size() so it works with non seekable output too
1085 total_size = avio_tell(oc->pb);
1092 av_bprint_init(&buf_script, 0, 1);
1093 for (i = 0; i < nb_output_streams; i++) {
1095 ost = output_streams[i];
1096 enc = ost->st->codec;
1097 if (!ost->stream_copy && enc->coded_frame)
1098 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1099 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1100 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1101 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1102 ost->file_index, ost->index, q);
1104 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1105 float fps, t = (cur_time-timer_start) / 1000000.0;
1107 frame_number = ost->frame_number;
1108 fps = t > 1 ? frame_number / t : 0;
1109 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1110 frame_number, fps < 9.95, fps, q);
1111 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1112 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1113 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1114 ost->file_index, ost->index, q);
1116 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1120 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1122 for (j = 0; j < 32; j++)
1123 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
1125 if (enc->flags&CODEC_FLAG_PSNR) {
1127 double error, error_sum = 0;
1128 double scale, scale_sum = 0;
1130 char type[3] = { 'Y','U','V' };
1131 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1132 for (j = 0; j < 3; j++) {
1133 if (is_last_report) {
1134 error = enc->error[j];
1135 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1137 error = enc->coded_frame->error[j];
1138 scale = enc->width * enc->height * 255.0 * 255.0;
1144 p = psnr(error / scale);
1145 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1146 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1147 ost->file_index, ost->index, type[i] | 32, p);
1149 p = psnr(error_sum / scale_sum);
1150 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1151 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1152 ost->file_index, ost->index, p);
1156 /* compute min output value */
1157 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1158 ost->st->time_base, AV_TIME_BASE_Q));
1161 secs = pts / AV_TIME_BASE;
1162 us = pts % AV_TIME_BASE;
1168 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1170 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1171 "size=%8.0fkB time=", total_size / 1024.0);
1172 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1173 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1174 (100 * us) / AV_TIME_BASE);
1175 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1176 "bitrate=%6.1fkbits/s", bitrate);
1177 av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1178 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1179 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1180 hours, mins, secs, us);
1182 if (nb_frames_dup || nb_frames_drop)
1183 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1184 nb_frames_dup, nb_frames_drop);
1185 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1186 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1188 if (print_stats || is_last_report) {
1189 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1194 if (progress_avio) {
1195 av_bprintf(&buf_script, "progress=%s\n",
1196 is_last_report ? "end" : "continue");
1197 avio_write(progress_avio, buf_script.str,
1198 FFMIN(buf_script.len, buf_script.size - 1));
1199 avio_flush(progress_avio);
1200 av_bprint_finalize(&buf_script, NULL);
1201 if (is_last_report) {
1202 avio_close(progress_avio);
1203 progress_avio = NULL;
1207 if (is_last_report) {
1208 int64_t raw= audio_size + video_size + subtitle_size + extra_size;
1209 av_log(NULL, AV_LOG_INFO, "\n");
1210 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0f global headers:%1.0fkB muxing overhead %f%%\n",
1211 video_size / 1024.0,
1212 audio_size / 1024.0,
1213 subtitle_size / 1024.0,
1214 extra_size / 1024.0,
1215 100.0 * (total_size - raw) / raw
1217 if(video_size + audio_size + subtitle_size + extra_size == 0){
1218 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1223 static void flush_encoders(void)
1227 for (i = 0; i < nb_output_streams; i++) {
1228 OutputStream *ost = output_streams[i];
1229 AVCodecContext *enc = ost->st->codec;
1230 AVFormatContext *os = output_files[ost->file_index]->ctx;
1231 int stop_encoding = 0;
1233 if (!ost->encoding_needed)
1236 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1238 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1242 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1246 switch (ost->st->codec->codec_type) {
1247 case AVMEDIA_TYPE_AUDIO:
1248 encode = avcodec_encode_audio2;
1252 case AVMEDIA_TYPE_VIDEO:
1253 encode = avcodec_encode_video2;
1264 av_init_packet(&pkt);
1268 update_benchmark(NULL);
1269 ret = encode(enc, &pkt, NULL, &got_packet);
1270 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1272 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1276 if (ost->logfile && enc->stats_out) {
1277 fprintf(ost->logfile, "%s", enc->stats_out);
1283 if (pkt.pts != AV_NOPTS_VALUE)
1284 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1285 if (pkt.dts != AV_NOPTS_VALUE)
1286 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1287 write_frame(os, &pkt, ost);
1297 * Check whether a packet from ist should be written into ost at this time
1299 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1301 OutputFile *of = output_files[ost->file_index];
1302 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1304 if (ost->source_index != ist_index)
1307 if (of->start_time && ist->pts < of->start_time)
1313 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1315 OutputFile *of = output_files[ost->file_index];
1316 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1320 av_init_packet(&opkt);
1322 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1323 !ost->copy_initial_nonkeyframes)
1326 if (of->recording_time != INT64_MAX &&
1327 ist->pts >= of->recording_time + of->start_time) {
1332 /* force the input stream PTS */
1333 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1334 audio_size += pkt->size;
1335 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1336 video_size += pkt->size;
1338 } else if (ost->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1339 subtitle_size += pkt->size;
1342 if (pkt->pts != AV_NOPTS_VALUE)
1343 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1345 opkt.pts = AV_NOPTS_VALUE;
1347 if (pkt->dts == AV_NOPTS_VALUE)
1348 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1350 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1351 opkt.dts -= ost_tb_start_time;
1353 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1354 opkt.flags = pkt->flags;
1356 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1357 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
1358 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1359 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1360 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
1362 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1363 opkt.destruct = av_destruct_packet;
1365 opkt.data = pkt->data;
1366 opkt.size = pkt->size;
1369 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1370 /* store AVPicture in AVPacket, as expected by the output format */
1371 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1372 opkt.data = (uint8_t *)&pict;
1373 opkt.size = sizeof(AVPicture);
1374 opkt.flags |= AV_PKT_FLAG_KEY;
1377 write_frame(of->ctx, &opkt, ost);
1378 ost->st->codec->frame_number++;
1379 av_free_packet(&opkt);
1382 static void rate_emu_sleep(InputStream *ist)
1384 if (input_files[ist->file_index]->rate_emu) {
1385 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
1386 int64_t now = av_gettime() - ist->start;
1388 av_usleep(pts - now);
1392 int guess_input_channel_layout(InputStream *ist)
1394 AVCodecContext *dec = ist->st->codec;
1396 if (!dec->channel_layout) {
1397 char layout_name[256];
1399 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1400 if (!dec->channel_layout)
1402 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1403 dec->channels, dec->channel_layout);
1404 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1405 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1410 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1412 AVFrame *decoded_frame;
1413 AVCodecContext *avctx = ist->st->codec;
1414 int i, ret, resample_changed;
1415 AVRational decoded_frame_tb;
1417 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1418 return AVERROR(ENOMEM);
1420 avcodec_get_frame_defaults(ist->decoded_frame);
1421 decoded_frame = ist->decoded_frame;
1423 update_benchmark(NULL);
1424 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1425 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1427 if (ret >= 0 && avctx->sample_rate <= 0) {
1428 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1429 return AVERROR_INVALIDDATA;
1432 if (!*got_output || ret < 0) {
1434 for (i = 0; i < ist->nb_filters; i++)
1435 av_buffersrc_add_ref(ist->filters[i]->filter, NULL,
1436 AV_BUFFERSRC_FLAG_NO_COPY);
1442 /* increment next_dts to use for the case where the input stream does not
1443 have timestamps or there are multiple frames in the packet */
1444 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1446 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1450 rate_emu_sleep(ist);
1452 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1453 ist->resample_channels != avctx->channels ||
1454 ist->resample_channel_layout != decoded_frame->channel_layout ||
1455 ist->resample_sample_rate != decoded_frame->sample_rate;
1456 if (resample_changed) {
1457 char layout1[64], layout2[64];
1459 if (!guess_input_channel_layout(ist)) {
1460 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1461 "layout for Input Stream #%d.%d\n", ist->file_index,
1465 decoded_frame->channel_layout = avctx->channel_layout;
1467 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1468 ist->resample_channel_layout);
1469 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1470 decoded_frame->channel_layout);
1472 av_log(NULL, AV_LOG_INFO,
1473 "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",
1474 ist->file_index, ist->st->index,
1475 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1476 ist->resample_channels, layout1,
1477 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1478 avctx->channels, layout2);
1480 ist->resample_sample_fmt = decoded_frame->format;
1481 ist->resample_sample_rate = decoded_frame->sample_rate;
1482 ist->resample_channel_layout = decoded_frame->channel_layout;
1483 ist->resample_channels = avctx->channels;
1485 for (i = 0; i < nb_filtergraphs; i++)
1486 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1487 FilterGraph *fg = filtergraphs[i];
1489 if (configure_filtergraph(fg) < 0) {
1490 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1493 for (j = 0; j < fg->nb_outputs; j++) {
1494 OutputStream *ost = fg->outputs[j]->ost;
1495 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
1496 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
1497 av_buffersink_set_frame_size(ost->filter->filter,
1498 ost->st->codec->frame_size);
1503 /* if the decoder provides a pts, use it instead of the last packet pts.
1504 the decoder could be delaying output by a packet or more. */
1505 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1506 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1507 decoded_frame_tb = avctx->time_base;
1508 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1509 decoded_frame->pts = decoded_frame->pkt_pts;
1510 pkt->pts = AV_NOPTS_VALUE;
1511 decoded_frame_tb = ist->st->time_base;
1512 } else if (pkt->pts != AV_NOPTS_VALUE) {
1513 decoded_frame->pts = pkt->pts;
1514 pkt->pts = AV_NOPTS_VALUE;
1515 decoded_frame_tb = ist->st->time_base;
1517 decoded_frame->pts = ist->dts;
1518 decoded_frame_tb = AV_TIME_BASE_Q;
1520 if (decoded_frame->pts != AV_NOPTS_VALUE)
1521 decoded_frame->pts = av_rescale_q(decoded_frame->pts,
1523 (AVRational){1, ist->st->codec->sample_rate});
1524 for (i = 0; i < ist->nb_filters; i++)
1525 av_buffersrc_add_frame(ist->filters[i]->filter, decoded_frame, 0);
1527 decoded_frame->pts = AV_NOPTS_VALUE;
1532 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1534 AVFrame *decoded_frame;
1535 void *buffer_to_free = NULL;
1536 int i, ret = 0, resample_changed;
1537 int64_t best_effort_timestamp;
1538 AVRational *frame_sample_aspect;
1541 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1542 return AVERROR(ENOMEM);
1544 avcodec_get_frame_defaults(ist->decoded_frame);
1545 decoded_frame = ist->decoded_frame;
1546 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1548 update_benchmark(NULL);
1549 ret = avcodec_decode_video2(ist->st->codec,
1550 decoded_frame, got_output, pkt);
1551 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1552 if (!*got_output || ret < 0) {
1554 for (i = 0; i < ist->nb_filters; i++)
1555 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, AV_BUFFERSRC_FLAG_NO_COPY);
1560 quality = same_quant ? decoded_frame->quality : 0;
1562 if(ist->top_field_first>=0)
1563 decoded_frame->top_field_first = ist->top_field_first;
1565 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
1566 if(best_effort_timestamp != AV_NOPTS_VALUE)
1567 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
1570 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
1571 "frame_pts:%s frame_pts_time:%s best_effort_ts:%"PRId64" best_effort_ts_time:%s keyframe:%d frame_type:%d \n",
1572 ist->st->index, av_ts2str(decoded_frame->pts),
1573 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
1574 best_effort_timestamp,
1575 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
1576 decoded_frame->key_frame, decoded_frame->pict_type);
1580 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1582 rate_emu_sleep(ist);
1584 if (ist->st->sample_aspect_ratio.num)
1585 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1587 resample_changed = ist->resample_width != decoded_frame->width ||
1588 ist->resample_height != decoded_frame->height ||
1589 ist->resample_pix_fmt != decoded_frame->format;
1590 if (resample_changed) {
1591 av_log(NULL, AV_LOG_INFO,
1592 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1593 ist->file_index, ist->st->index,
1594 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1595 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1597 ist->resample_width = decoded_frame->width;
1598 ist->resample_height = decoded_frame->height;
1599 ist->resample_pix_fmt = decoded_frame->format;
1601 for (i = 0; i < nb_filtergraphs; i++)
1602 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1603 configure_filtergraph(filtergraphs[i]) < 0) {
1604 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1609 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
1610 for (i = 0; i < ist->nb_filters; i++) {
1611 int changed = ist->st->codec->width != ist->filters[i]->filter->outputs[0]->w
1612 || ist->st->codec->height != ist->filters[i]->filter->outputs[0]->h
1613 || ist->st->codec->pix_fmt != ist->filters[i]->filter->outputs[0]->format;
1614 // XXX what an ugly hack
1615 if (ist->filters[i]->graph->nb_outputs == 1)
1616 ist->filters[i]->graph->outputs[0]->ost->last_quality = quality;
1618 if (!frame_sample_aspect->num)
1619 *frame_sample_aspect = ist->st->sample_aspect_ratio;
1620 if (ist->dr1 && decoded_frame->type==FF_BUFFER_TYPE_USER && !changed) {
1621 FrameBuffer *buf = decoded_frame->opaque;
1622 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
1623 decoded_frame->data, decoded_frame->linesize,
1624 AV_PERM_READ | AV_PERM_PRESERVE,
1625 ist->st->codec->width, ist->st->codec->height,
1626 ist->st->codec->pix_fmt);
1628 avfilter_copy_frame_props(fb, decoded_frame);
1629 fb->buf->priv = buf;
1630 fb->buf->free = filter_release_buffer;
1632 av_assert0(buf->refcount>0);
1634 av_buffersrc_add_ref(ist->filters[i]->filter, fb,
1635 AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT |
1636 AV_BUFFERSRC_FLAG_NO_COPY);
1638 if(av_buffersrc_add_frame(ist->filters[i]->filter, decoded_frame, 0)<0) {
1639 av_log(NULL, AV_LOG_FATAL, "Failed to inject frame into filter network\n");
1645 av_free(buffer_to_free);
1649 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1651 AVSubtitle subtitle;
1652 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1653 &subtitle, got_output, pkt);
1654 if (ret < 0 || !*got_output) {
1656 sub2video_flush(ist);
1660 rate_emu_sleep(ist);
1662 sub2video_update(ist, &subtitle, pkt->pts);
1664 for (i = 0; i < nb_output_streams; i++) {
1665 OutputStream *ost = output_streams[i];
1667 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1670 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
1673 avsubtitle_free(&subtitle);
1677 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1678 static int output_packet(InputStream *ist, const AVPacket *pkt)
1684 if (!ist->saw_first_ts) {
1685 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;
1687 if (pkt != NULL && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
1688 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1689 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
1691 ist->saw_first_ts = 1;
1694 if (ist->next_dts == AV_NOPTS_VALUE)
1695 ist->next_dts = ist->dts;
1696 if (ist->next_pts == AV_NOPTS_VALUE)
1697 ist->next_pts = ist->pts;
1701 av_init_packet(&avpkt);
1709 if (pkt->dts != AV_NOPTS_VALUE) {
1710 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1711 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
1712 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1715 // while we have more to decode or while the decoder did output something on EOF
1716 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
1720 ist->pts = ist->next_pts;
1721 ist->dts = ist->next_dts;
1723 if (avpkt.size && avpkt.size != pkt->size) {
1724 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1725 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1726 ist->showed_multi_packet_warning = 1;
1729 switch (ist->st->codec->codec_type) {
1730 case AVMEDIA_TYPE_AUDIO:
1731 ret = decode_audio (ist, &avpkt, &got_output);
1733 case AVMEDIA_TYPE_VIDEO:
1734 ret = decode_video (ist, &avpkt, &got_output);
1735 if (avpkt.duration) {
1736 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
1737 } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
1738 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1739 duration = ((int64_t)AV_TIME_BASE *
1740 ist->st->codec->time_base.num * ticks) /
1741 ist->st->codec->time_base.den;
1745 if(ist->dts != AV_NOPTS_VALUE && duration) {
1746 ist->next_dts += duration;
1748 ist->next_dts = AV_NOPTS_VALUE;
1751 ist->next_pts += duration; //FIXME the duration is not correct in some cases
1753 case AVMEDIA_TYPE_SUBTITLE:
1754 ret = transcode_subtitles(ist, &avpkt, &got_output);
1764 avpkt.pts= AV_NOPTS_VALUE;
1766 // touch data and size only if not EOF
1768 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
1778 /* handle stream copy */
1779 if (!ist->decoding_needed) {
1780 rate_emu_sleep(ist);
1781 ist->dts = ist->next_dts;
1782 switch (ist->st->codec->codec_type) {
1783 case AVMEDIA_TYPE_AUDIO:
1784 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1785 ist->st->codec->sample_rate;
1787 case AVMEDIA_TYPE_VIDEO:
1788 if (pkt->duration) {
1789 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
1790 } else if(ist->st->codec->time_base.num != 0) {
1791 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
1792 ist->next_dts += ((int64_t)AV_TIME_BASE *
1793 ist->st->codec->time_base.num * ticks) /
1794 ist->st->codec->time_base.den;
1798 ist->pts = ist->dts;
1799 ist->next_pts = ist->next_dts;
1801 for (i = 0; pkt && i < nb_output_streams; i++) {
1802 OutputStream *ost = output_streams[i];
1804 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1807 do_streamcopy(ist, ost, pkt);
1813 static void print_sdp(void)
1817 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
1821 for (i = 0; i < nb_output_files; i++)
1822 avc[i] = output_files[i]->ctx;
1824 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
1825 printf("SDP:\n%s\n", sdp);
1830 static int init_input_stream(int ist_index, char *error, int error_len)
1832 InputStream *ist = input_streams[ist_index];
1834 if (ist->decoding_needed) {
1835 AVCodec *codec = ist->dec;
1837 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
1838 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
1839 return AVERROR(EINVAL);
1842 ist->dr1 = (codec->capabilities & CODEC_CAP_DR1) && !do_deinterlace;
1843 if (codec->type == AVMEDIA_TYPE_VIDEO && ist->dr1) {
1844 ist->st->codec->get_buffer = codec_get_buffer;
1845 ist->st->codec->release_buffer = codec_release_buffer;
1846 ist->st->codec->opaque = &ist->buffer_pool;
1849 if (!av_dict_get(ist->opts, "threads", NULL, 0))
1850 av_dict_set(&ist->opts, "threads", "auto", 0);
1851 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1852 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
1853 ist->file_index, ist->st->index);
1854 return AVERROR(EINVAL);
1856 assert_codec_experimental(ist->st->codec, 0);
1857 assert_avoptions(ist->opts);
1860 ist->next_pts = AV_NOPTS_VALUE;
1861 ist->next_dts = AV_NOPTS_VALUE;
1867 static InputStream *get_input_stream(OutputStream *ost)
1869 if (ost->source_index >= 0)
1870 return input_streams[ost->source_index];
1874 static void parse_forced_key_frames(char *kf, OutputStream *ost,
1875 AVCodecContext *avctx)
1881 for (p = kf; *p; p++)
1884 ost->forced_kf_count = n;
1885 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1886 if (!ost->forced_kf_pts) {
1887 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1892 for (i = 0; i < n; i++) {
1893 char *next = strchr(p, ',');
1898 t = parse_time_or_die("force_key_frames", p, 1);
1899 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1905 static void report_new_stream(int input_index, AVPacket *pkt)
1907 InputFile *file = input_files[input_index];
1908 AVStream *st = file->ctx->streams[pkt->stream_index];
1910 if (pkt->stream_index < file->nb_streams_warn)
1912 av_log(file->ctx, AV_LOG_WARNING,
1913 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
1914 av_get_media_type_string(st->codec->codec_type),
1915 input_index, pkt->stream_index,
1916 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
1917 file->nb_streams_warn = pkt->stream_index + 1;
1920 static int transcode_init(void)
1922 int ret = 0, i, j, k;
1923 AVFormatContext *oc;
1924 AVCodecContext *codec;
1930 /* init framerate emulation */
1931 for (i = 0; i < nb_input_files; i++) {
1932 InputFile *ifile = input_files[i];
1933 if (ifile->rate_emu)
1934 for (j = 0; j < ifile->nb_streams; j++)
1935 input_streams[j + ifile->ist_index]->start = av_gettime();
1938 /* output stream init */
1939 for (i = 0; i < nb_output_files; i++) {
1940 oc = output_files[i]->ctx;
1941 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
1942 av_dump_format(oc, i, oc->filename, 1);
1943 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
1944 return AVERROR(EINVAL);
1948 /* init complex filtergraphs */
1949 for (i = 0; i < nb_filtergraphs; i++)
1950 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
1953 /* for each output stream, we compute the right encoding parameters */
1954 for (i = 0; i < nb_output_streams; i++) {
1955 AVCodecContext *icodec = NULL;
1956 ost = output_streams[i];
1957 oc = output_files[ost->file_index]->ctx;
1958 ist = get_input_stream(ost);
1960 if (ost->attachment_filename)
1963 codec = ost->st->codec;
1966 icodec = ist->st->codec;
1968 ost->st->disposition = ist->st->disposition;
1969 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
1970 codec->chroma_sample_location = icodec->chroma_sample_location;
1973 if (ost->stream_copy) {
1974 uint64_t extra_size;
1976 av_assert0(ist && !ost->filter);
1978 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1980 if (extra_size > INT_MAX) {
1981 return AVERROR(EINVAL);
1984 /* if stream_copy is selected, no need to decode or encode */
1985 codec->codec_id = icodec->codec_id;
1986 codec->codec_type = icodec->codec_type;
1988 if (!codec->codec_tag) {
1989 if (!oc->oformat->codec_tag ||
1990 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
1991 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
1992 codec->codec_tag = icodec->codec_tag;
1995 codec->bit_rate = icodec->bit_rate;
1996 codec->rc_max_rate = icodec->rc_max_rate;
1997 codec->rc_buffer_size = icodec->rc_buffer_size;
1998 codec->field_order = icodec->field_order;
1999 codec->extradata = av_mallocz(extra_size);
2000 if (!codec->extradata) {
2001 return AVERROR(ENOMEM);
2003 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2004 codec->extradata_size= icodec->extradata_size;
2005 codec->bits_per_coded_sample = icodec->bits_per_coded_sample;
2007 codec->time_base = ist->st->time_base;
2009 * Avi is a special case here because it supports variable fps but
2010 * having the fps and timebase differe significantly adds quite some
2013 if(!strcmp(oc->oformat->name, "avi")) {
2014 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2015 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2016 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(icodec->time_base)
2017 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(icodec->time_base) < 1.0/500
2019 codec->time_base.num = ist->st->r_frame_rate.den;
2020 codec->time_base.den = 2*ist->st->r_frame_rate.num;
2021 codec->ticks_per_frame = 2;
2022 } else if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2023 && av_q2d(ist->st->time_base) < 1.0/500
2025 codec->time_base = icodec->time_base;
2026 codec->time_base.num *= icodec->ticks_per_frame;
2027 codec->time_base.den *= 2;
2028 codec->ticks_per_frame = 2;
2030 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2031 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2032 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2034 if( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2035 && av_q2d(ist->st->time_base) < 1.0/500
2037 codec->time_base = icodec->time_base;
2038 codec->time_base.num *= icodec->ticks_per_frame;
2042 if(ost->frame_rate.num)
2043 codec->time_base = av_inv_q(ost->frame_rate);
2045 av_reduce(&codec->time_base.num, &codec->time_base.den,
2046 codec->time_base.num, codec->time_base.den, INT_MAX);
2048 switch (codec->codec_type) {
2049 case AVMEDIA_TYPE_AUDIO:
2050 if (audio_volume != 256) {
2051 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2054 codec->channel_layout = icodec->channel_layout;
2055 codec->sample_rate = icodec->sample_rate;
2056 codec->channels = icodec->channels;
2057 codec->frame_size = icodec->frame_size;
2058 codec->audio_service_type = icodec->audio_service_type;
2059 codec->block_align = icodec->block_align;
2060 if((codec->block_align == 1 || codec->block_align == 1152) && codec->codec_id == AV_CODEC_ID_MP3)
2061 codec->block_align= 0;
2062 if(codec->codec_id == AV_CODEC_ID_AC3)
2063 codec->block_align= 0;
2065 case AVMEDIA_TYPE_VIDEO:
2066 codec->pix_fmt = icodec->pix_fmt;
2067 codec->width = icodec->width;
2068 codec->height = icodec->height;
2069 codec->has_b_frames = icodec->has_b_frames;
2070 if (!codec->sample_aspect_ratio.num) {
2071 codec->sample_aspect_ratio =
2072 ost->st->sample_aspect_ratio =
2073 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2074 ist->st->codec->sample_aspect_ratio.num ?
2075 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2077 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2079 case AVMEDIA_TYPE_SUBTITLE:
2080 codec->width = icodec->width;
2081 codec->height = icodec->height;
2083 case AVMEDIA_TYPE_DATA:
2084 case AVMEDIA_TYPE_ATTACHMENT:
2091 ost->enc = avcodec_find_encoder(codec->codec_id);
2093 /* should only happen when a default codec is not present. */
2094 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2095 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2096 ret = AVERROR(EINVAL);
2101 ist->decoding_needed = 1;
2102 ost->encoding_needed = 1;
2105 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2106 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
2108 fg = init_simple_filtergraph(ist, ost);
2109 if (configure_filtergraph(fg)) {
2110 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2115 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2116 if (ost->filter && !ost->frame_rate.num)
2117 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2118 if (ist && !ost->frame_rate.num)
2119 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1};
2120 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2121 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2122 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2123 ost->frame_rate = ost->enc->supported_framerates[idx];
2127 switch (codec->codec_type) {
2128 case AVMEDIA_TYPE_AUDIO:
2129 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
2130 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2131 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2132 codec->channels = av_get_channel_layout_nb_channels(codec->channel_layout);
2133 codec->time_base = (AVRational){ 1, codec->sample_rate };
2135 case AVMEDIA_TYPE_VIDEO:
2136 codec->time_base = av_inv_q(ost->frame_rate);
2137 if (ost->filter && !(codec->time_base.num && codec->time_base.den))
2138 codec->time_base = ost->filter->filter->inputs[0]->time_base;
2139 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2140 && (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2141 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2142 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2144 for (j = 0; j < ost->forced_kf_count; j++)
2145 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2149 codec->width = ost->filter->filter->inputs[0]->w;
2150 codec->height = ost->filter->filter->inputs[0]->h;
2151 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2152 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
2153 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
2154 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2155 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
2158 codec->width != icodec->width ||
2159 codec->height != icodec->height ||
2160 codec->pix_fmt != icodec->pix_fmt) {
2161 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
2164 if (ost->forced_keyframes)
2165 parse_forced_key_frames(ost->forced_keyframes, ost,
2168 case AVMEDIA_TYPE_SUBTITLE:
2169 codec->time_base = (AVRational){1, 1000};
2176 if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2177 char logfilename[1024];
2180 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2181 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2183 if (!strcmp(ost->enc->name, "libx264")) {
2184 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2186 if (codec->flags & CODEC_FLAG_PASS2) {
2188 size_t logbuffer_size;
2189 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2190 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2194 codec->stats_in = logbuffer;
2196 if (codec->flags & CODEC_FLAG_PASS1) {
2197 f = fopen(logfilename, "wb");
2199 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2200 logfilename, strerror(errno));
2210 /* open each encoder */
2211 for (i = 0; i < nb_output_streams; i++) {
2212 ost = output_streams[i];
2213 if (ost->encoding_needed) {
2214 AVCodec *codec = ost->enc;
2215 AVCodecContext *dec = NULL;
2217 if ((ist = get_input_stream(ost)))
2218 dec = ist->st->codec;
2219 if (dec && dec->subtitle_header) {
2220 /* ASS code assumes this buffer is null terminated so add extra byte. */
2221 ost->st->codec->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
2222 if (!ost->st->codec->subtitle_header) {
2223 ret = AVERROR(ENOMEM);
2226 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2227 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2229 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2230 av_dict_set(&ost->opts, "threads", "auto", 0);
2231 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2232 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2233 ost->file_index, ost->index);
2234 ret = AVERROR(EINVAL);
2237 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2238 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
2239 av_buffersink_set_frame_size(ost->filter->filter,
2240 ost->st->codec->frame_size);
2241 assert_codec_experimental(ost->st->codec, 1);
2242 assert_avoptions(ost->opts);
2243 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2244 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2245 " It takes bits/s as argument, not kbits/s\n");
2246 extra_size += ost->st->codec->extradata_size;
2248 if (ost->st->codec->me_threshold)
2249 input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
2253 /* init input streams */
2254 for (i = 0; i < nb_input_streams; i++)
2255 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
2258 /* discard unused programs */
2259 for (i = 0; i < nb_input_files; i++) {
2260 InputFile *ifile = input_files[i];
2261 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2262 AVProgram *p = ifile->ctx->programs[j];
2263 int discard = AVDISCARD_ALL;
2265 for (k = 0; k < p->nb_stream_indexes; k++)
2266 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2267 discard = AVDISCARD_DEFAULT;
2270 p->discard = discard;
2274 /* open files and write file headers */
2275 for (i = 0; i < nb_output_files; i++) {
2276 oc = output_files[i]->ctx;
2277 oc->interrupt_callback = int_cb;
2278 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
2280 const char *errbuf_ptr = errbuf;
2281 if (av_strerror(ret, errbuf, sizeof(errbuf)) < 0)
2282 errbuf_ptr = strerror(AVUNERROR(ret));
2283 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?): %s", i, errbuf_ptr);
2284 ret = AVERROR(EINVAL);
2287 // assert_avoptions(output_files[i]->opts);
2288 if (strcmp(oc->oformat->name, "rtp")) {
2294 /* dump the file output parameters - cannot be done before in case
2296 for (i = 0; i < nb_output_files; i++) {
2297 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
2300 /* dump the stream mapping */
2301 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2302 for (i = 0; i < nb_input_streams; i++) {
2303 ist = input_streams[i];
2305 for (j = 0; j < ist->nb_filters; j++) {
2306 if (ist->filters[j]->graph->graph_desc) {
2307 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2308 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
2309 ist->filters[j]->name);
2310 if (nb_filtergraphs > 1)
2311 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2312 av_log(NULL, AV_LOG_INFO, "\n");
2317 for (i = 0; i < nb_output_streams; i++) {
2318 ost = output_streams[i];
2320 if (ost->attachment_filename) {
2321 /* an attached file */
2322 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2323 ost->attachment_filename, ost->file_index, ost->index);
2327 if (ost->filter && ost->filter->graph->graph_desc) {
2328 /* output from a complex graph */
2329 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
2330 if (nb_filtergraphs > 1)
2331 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2333 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2334 ost->index, ost->enc ? ost->enc->name : "?");
2338 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2339 input_streams[ost->source_index]->file_index,
2340 input_streams[ost->source_index]->st->index,
2343 if (ost->sync_ist != input_streams[ost->source_index])
2344 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2345 ost->sync_ist->file_index,
2346 ost->sync_ist->st->index);
2347 if (ost->stream_copy)
2348 av_log(NULL, AV_LOG_INFO, " (copy)");
2350 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
2351 input_streams[ost->source_index]->dec->name : "?",
2352 ost->enc ? ost->enc->name : "?");
2353 av_log(NULL, AV_LOG_INFO, "\n");
2357 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2369 * @return 1 if there are still streams where more output is wanted,
2372 static int need_output(void)
2376 for (i = 0; i < nb_output_streams; i++) {
2377 OutputStream *ost = output_streams[i];
2378 OutputFile *of = output_files[ost->file_index];
2379 AVFormatContext *os = output_files[ost->file_index]->ctx;
2381 if (ost->finished ||
2382 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2384 if (ost->frame_number >= ost->max_frames) {
2386 for (j = 0; j < of->ctx->nb_streams; j++)
2387 output_streams[of->ost_index + j]->finished = 1;
2397 static int input_acceptable(InputStream *ist)
2399 av_assert1(!ist->discard);
2400 return !input_files[ist->file_index]->eagain &&
2401 !input_files[ist->file_index]->eof_reached;
2404 static int find_graph_input(FilterGraph *graph)
2406 int i, nb_req_max = 0, file_index = -1;
2408 for (i = 0; i < graph->nb_inputs; i++) {
2409 int nb_req = av_buffersrc_get_nb_failed_requests(graph->inputs[i]->filter);
2410 if (nb_req > nb_req_max) {
2411 InputStream *ist = graph->inputs[i]->ist;
2412 if (input_acceptable(ist)) {
2413 nb_req_max = nb_req;
2414 file_index = ist->file_index;
2423 * Select the input file to read from.
2425 * @return >=0 index of the input file to use;
2426 * -1 if no file is acceptable;
2427 * -2 to read from filters without reading from a file
2429 static int select_input_file(void)
2431 int i, ret, nb_active_out = nb_output_streams, ost_index = -1;
2434 AVFilterBufferRef *dummy;
2436 for (i = 0; i < nb_output_streams; i++)
2437 nb_active_out -= output_streams[i]->unavailable =
2438 output_streams[i]->finished;
2439 while (nb_active_out) {
2440 opts_min = INT64_MAX;
2442 for (i = 0; i < nb_output_streams; i++) {
2443 OutputStream *ost = output_streams[i];
2444 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
2446 if (!ost->unavailable && opts < opts_min) {
2454 ost = output_streams[ost_index];
2455 if (ost->source_index >= 0) {
2456 /* ost is directly connected to an input */
2457 InputStream *ist = input_streams[ost->source_index];
2458 if (input_acceptable(ist))
2459 return ist->file_index;
2461 /* ost is connected to a complex filtergraph */
2462 av_assert1(ost->filter);
2463 ret = av_buffersink_get_buffer_ref(ost->filter->filter, &dummy,
2464 AV_BUFFERSINK_FLAG_PEEK);
2467 ret = find_graph_input(ost->filter->graph);
2471 ost->unavailable = 1;
2477 static int check_keyboard_interaction(int64_t cur_time)
2480 static int64_t last_time;
2481 if (received_nb_signals)
2482 return AVERROR_EXIT;
2483 /* read_key() returns 0 on EOF */
2484 if(cur_time - last_time >= 100000 && !run_as_daemon){
2486 last_time = cur_time;
2490 return AVERROR_EXIT;
2491 if (key == '+') av_log_set_level(av_log_get_level()+10);
2492 if (key == '-') av_log_set_level(av_log_get_level()-10);
2493 if (key == 's') qp_hist ^= 1;
2496 do_hex_dump = do_pkt_dump = 0;
2497 } else if(do_pkt_dump){
2501 av_log_set_level(AV_LOG_DEBUG);
2503 if (key == 'c' || key == 'C'){
2504 char buf[4096], target[64], command[256], arg[256] = {0};
2507 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2509 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2514 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2515 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2516 target, time, command, arg);
2517 for (i = 0; i < nb_filtergraphs; i++) {
2518 FilterGraph *fg = filtergraphs[i];
2521 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
2522 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2523 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
2525 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
2530 av_log(NULL, AV_LOG_ERROR,
2531 "Parse error, at least 3 arguments were expected, "
2532 "only %d given in string '%s'\n", n, buf);
2535 if (key == 'd' || key == 'D'){
2538 debug = input_streams[0]->st->codec->debug<<1;
2539 if(!debug) debug = 1;
2540 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2543 if(scanf("%d", &debug)!=1)
2544 fprintf(stderr,"error parsing debug value\n");
2545 for(i=0;i<nb_input_streams;i++) {
2546 input_streams[i]->st->codec->debug = debug;
2548 for(i=0;i<nb_output_streams;i++) {
2549 OutputStream *ost = output_streams[i];
2550 ost->st->codec->debug = debug;
2552 if(debug) av_log_set_level(AV_LOG_DEBUG);
2553 fprintf(stderr,"debug=%d\n", debug);
2556 fprintf(stderr, "key function\n"
2557 "? show this help\n"
2558 "+ increase verbosity\n"
2559 "- decrease verbosity\n"
2560 "c Send command to filtergraph\n"
2561 "D cycle through available debug modes\n"
2562 "h dump packets/hex press to cycle through the 3 states\n"
2564 "s Show QP histogram\n"
2571 static void *input_thread(void *arg)
2576 while (!transcoding_finished && ret >= 0) {
2578 ret = av_read_frame(f->ctx, &pkt);
2580 if (ret == AVERROR(EAGAIN)) {
2587 pthread_mutex_lock(&f->fifo_lock);
2588 while (!av_fifo_space(f->fifo))
2589 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
2591 av_dup_packet(&pkt);
2592 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
2594 pthread_mutex_unlock(&f->fifo_lock);
2601 static void free_input_threads(void)
2605 if (nb_input_files == 1)
2608 transcoding_finished = 1;
2610 for (i = 0; i < nb_input_files; i++) {
2611 InputFile *f = input_files[i];
2614 if (!f->fifo || f->joined)
2617 pthread_mutex_lock(&f->fifo_lock);
2618 while (av_fifo_size(f->fifo)) {
2619 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2620 av_free_packet(&pkt);
2622 pthread_cond_signal(&f->fifo_cond);
2623 pthread_mutex_unlock(&f->fifo_lock);
2625 pthread_join(f->thread, NULL);
2628 while (av_fifo_size(f->fifo)) {
2629 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2630 av_free_packet(&pkt);
2632 av_fifo_free(f->fifo);
2636 static int init_input_threads(void)
2640 if (nb_input_files == 1)
2643 for (i = 0; i < nb_input_files; i++) {
2644 InputFile *f = input_files[i];
2646 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
2647 return AVERROR(ENOMEM);
2649 pthread_mutex_init(&f->fifo_lock, NULL);
2650 pthread_cond_init (&f->fifo_cond, NULL);
2652 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
2653 return AVERROR(ret);
2658 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
2662 pthread_mutex_lock(&f->fifo_lock);
2664 if (av_fifo_size(f->fifo)) {
2665 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
2666 pthread_cond_signal(&f->fifo_cond);
2671 ret = AVERROR(EAGAIN);
2674 pthread_mutex_unlock(&f->fifo_lock);
2680 static int get_input_packet(InputFile *f, AVPacket *pkt)
2683 if (nb_input_files > 1)
2684 return get_input_packet_mt(f, pkt);
2686 return av_read_frame(f->ctx, pkt);
2689 static int got_eagain(void)
2692 for (i = 0; i < nb_input_files; i++)
2693 if (input_files[i]->eagain)
2698 static void reset_eagain(void)
2701 for (i = 0; i < nb_input_files; i++)
2702 input_files[i]->eagain = 0;
2707 * - 0 -- one packet was read and processed
2708 * - AVERROR(EAGAIN) -- no packets were available for selected file,
2709 * this function should be called again
2710 * - AVERROR_EOF -- this function should not be called again
2712 static int process_input(void)
2715 AVFormatContext *is;
2721 /* select the stream that we must read now */
2722 file_index = select_input_file();
2723 /* if none, if is finished */
2724 if (file_index == -2) {
2726 return AVERROR(EAGAIN);
2728 if (file_index < 0) {
2732 return AVERROR(EAGAIN);
2734 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
2737 ifile = input_files[file_index];
2740 ret = get_input_packet(ifile, &pkt);
2742 if (ret == AVERROR(EAGAIN)) {
2747 if (ret != AVERROR_EOF) {
2748 print_error(is->filename, ret);
2752 ifile->eof_reached = 1;
2754 for (i = 0; i < ifile->nb_streams; i++) {
2755 ist = input_streams[ifile->ist_index + i];
2756 if (ist->decoding_needed)
2757 output_packet(ist, NULL);
2764 return AVERROR(EAGAIN);
2770 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2771 is->streams[pkt.stream_index]);
2773 /* the following test is needed in case new streams appear
2774 dynamically in stream : we ignore them */
2775 if (pkt.stream_index >= ifile->nb_streams) {
2776 report_new_stream(file_index, &pkt);
2777 goto discard_packet;
2780 ist = input_streams[ifile->ist_index + pkt.stream_index];
2782 goto discard_packet;
2784 if(!ist->wrap_correction_done && input_files[file_index]->ctx->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
2785 uint64_t stime = av_rescale_q(input_files[file_index]->ctx->start_time, AV_TIME_BASE_Q, ist->st->time_base);
2786 uint64_t stime2= stime + (1LL<<ist->st->pts_wrap_bits);
2787 ist->wrap_correction_done = 1;
2788 if(pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime && pkt.dts - stime > stime2 - pkt.dts) {
2789 pkt.dts -= 1LL<<ist->st->pts_wrap_bits;
2790 ist->wrap_correction_done = 0;
2792 if(pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime && pkt.pts - stime > stime2 - pkt.pts) {
2793 pkt.pts -= 1LL<<ist->st->pts_wrap_bits;
2794 ist->wrap_correction_done = 0;
2798 if (pkt.dts != AV_NOPTS_VALUE)
2799 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2800 if (pkt.pts != AV_NOPTS_VALUE)
2801 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2803 if (pkt.pts != AV_NOPTS_VALUE)
2804 pkt.pts *= ist->ts_scale;
2805 if (pkt.dts != AV_NOPTS_VALUE)
2806 pkt.dts *= ist->ts_scale;
2809 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
2810 "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",
2811 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
2812 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
2813 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
2814 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
2815 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
2816 input_files[ist->file_index]->ts_offset);
2819 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
2821 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2822 int64_t delta = pkt_dts - ist->next_dts;
2823 if (is->iformat->flags & AVFMT_TS_DISCONT) {
2824 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
2825 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
2826 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2827 pkt_dts+1<ist->pts){
2828 ifile->ts_offset -= delta;
2829 av_log(NULL, AV_LOG_DEBUG,
2830 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2831 delta, ifile->ts_offset);
2832 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2833 if (pkt.pts != AV_NOPTS_VALUE)
2834 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2837 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
2838 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)
2840 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
2841 pkt.dts = AV_NOPTS_VALUE;
2843 if (pkt.pts != AV_NOPTS_VALUE){
2844 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
2845 delta = pkt_pts - ist->next_dts;
2846 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
2847 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)
2849 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
2850 pkt.pts = AV_NOPTS_VALUE;
2856 sub2video_heartbeat(ist, pkt.pts);
2858 if ((ret = output_packet(ist, &pkt)) < 0 ||
2859 ((ret = poll_filters()) < 0 && ret != AVERROR_EOF)) {
2861 av_strerror(ret, buf, sizeof(buf));
2862 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
2863 ist->file_index, ist->st->index, buf);
2866 av_free_packet(&pkt);
2867 return AVERROR(EAGAIN);
2871 av_free_packet(&pkt);
2877 * The following code is the main loop of the file converter
2879 static int transcode(void)
2882 AVFormatContext *os;
2885 int64_t timer_start;
2887 ret = transcode_init();
2891 if (stdin_interaction) {
2892 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
2895 timer_start = av_gettime();
2898 if ((ret = init_input_threads()) < 0)
2902 while (!received_sigterm) {
2903 int64_t cur_time= av_gettime();
2905 /* if 'q' pressed, exits */
2906 if (stdin_interaction)
2907 if (check_keyboard_interaction(cur_time) < 0)
2910 /* check if there's any stream where output is still needed */
2911 if (!need_output()) {
2912 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
2916 ret = process_input();
2918 if (ret == AVERROR(EAGAIN))
2920 if (ret == AVERROR_EOF)
2922 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
2926 /* dump report by using the output first video and audio streams */
2927 print_report(0, timer_start, cur_time);
2930 free_input_threads();
2933 /* at the end of stream, we must flush the decoder buffers */
2934 for (i = 0; i < nb_input_streams; i++) {
2935 ist = input_streams[i];
2936 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
2937 output_packet(ist, NULL);
2945 /* write the trailer if needed and close file */
2946 for (i = 0; i < nb_output_files; i++) {
2947 os = output_files[i]->ctx;
2948 av_write_trailer(os);
2951 /* dump report by using the first video and audio streams */
2952 print_report(1, timer_start, av_gettime());
2954 /* close each encoder */
2955 for (i = 0; i < nb_output_streams; i++) {
2956 ost = output_streams[i];
2957 if (ost->encoding_needed) {
2958 av_freep(&ost->st->codec->stats_in);
2959 avcodec_close(ost->st->codec);
2963 /* close each decoder */
2964 for (i = 0; i < nb_input_streams; i++) {
2965 ist = input_streams[i];
2966 if (ist->decoding_needed) {
2967 avcodec_close(ist->st->codec);
2976 free_input_threads();
2979 if (output_streams) {
2980 for (i = 0; i < nb_output_streams; i++) {
2981 ost = output_streams[i];
2983 if (ost->stream_copy)
2984 av_freep(&ost->st->codec->extradata);
2986 fclose(ost->logfile);
2987 ost->logfile = NULL;
2989 av_freep(&ost->st->codec->subtitle_header);
2990 av_free(ost->forced_kf_pts);
2991 av_dict_free(&ost->opts);
2999 static int64_t getutime(void)
3002 struct rusage rusage;
3004 getrusage(RUSAGE_SELF, &rusage);
3005 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3006 #elif HAVE_GETPROCESSTIMES
3008 FILETIME c, e, k, u;
3009 proc = GetCurrentProcess();
3010 GetProcessTimes(proc, &c, &e, &k, &u);
3011 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3013 return av_gettime();
3017 static int64_t getmaxrss(void)
3019 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3020 struct rusage rusage;
3021 getrusage(RUSAGE_SELF, &rusage);
3022 return (int64_t)rusage.ru_maxrss * 1024;
3023 #elif HAVE_GETPROCESSMEMORYINFO
3025 PROCESS_MEMORY_COUNTERS memcounters;
3026 proc = GetCurrentProcess();
3027 memcounters.cb = sizeof(memcounters);
3028 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3029 return memcounters.PeakPagefileUsage;
3035 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
3039 static void parse_cpuflags(int argc, char **argv, const OptionDef *options)
3041 int idx = locate_option(argc, argv, options, "cpuflags");
3042 if (idx && argv[idx + 1])
3043 opt_cpuflags("cpuflags", argv[idx + 1]);
3046 int main(int argc, char **argv)
3048 OptionsContext o = { 0 };
3051 reset_options(&o, 0);
3053 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3054 parse_loglevel(argc, argv, options);
3056 if(argc>1 && !strcmp(argv[1], "-d")){
3058 av_log_set_callback(log_callback_null);
3063 avcodec_register_all();
3065 avdevice_register_all();
3067 avfilter_register_all();
3069 avformat_network_init();
3071 show_banner(argc, argv, options);
3075 parse_cpuflags(argc, argv, options);
3078 parse_options(&o, argc, argv, options, opt_output_file);
3080 if (nb_output_files <= 0 && nb_input_files == 0) {
3082 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
3086 /* file converter / grab */
3087 if (nb_output_files <= 0) {
3088 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
3092 // if (nb_input_files == 0) {
3093 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
3097 current_time = ti = getutime();
3098 if (transcode() < 0)
3100 ti = getutime() - ti;
3102 int maxrss = getmaxrss() / 1024;
3103 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);