2 * Copyright (c) 2000-2003 Fabrice Bellard
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 * multimedia converter based on the FFmpeg libraries
41 #include "libavformat/avformat.h"
42 #include "libavdevice/avdevice.h"
43 #include "libswscale/swscale.h"
44 #include "libswresample/swresample.h"
45 #include "libavutil/opt.h"
46 #include "libavutil/audioconvert.h"
47 #include "libavutil/parseutils.h"
48 #include "libavutil/samplefmt.h"
49 #include "libavutil/colorspace.h"
50 #include "libavutil/fifo.h"
51 #include "libavutil/intreadwrite.h"
52 #include "libavutil/dict.h"
53 #include "libavutil/mathematics.h"
54 #include "libavutil/pixdesc.h"
55 #include "libavutil/avstring.h"
56 #include "libavutil/libm.h"
57 #include "libavutil/imgutils.h"
58 #include "libavutil/timestamp.h"
59 #include "libavutil/bprint.h"
60 #include "libavutil/time.h"
61 #include "libavformat/os_support.h"
63 #include "libavformat/ffm.h" // not public API
65 # include "libavfilter/avcodec.h"
66 # include "libavfilter/avfilter.h"
67 # include "libavfilter/avfiltergraph.h"
68 # include "libavfilter/buffersrc.h"
69 # include "libavfilter/buffersink.h"
71 #if HAVE_SYS_RESOURCE_H
72 #include <sys/types.h>
73 #include <sys/resource.h>
74 #elif HAVE_GETPROCESSTIMES
77 #if HAVE_GETPROCESSMEMORYINFO
83 #include <sys/select.h>
88 #include <sys/ioctl.h>
102 #include "cmdutils.h"
104 #include "libavutil/avassert.h"
106 const char program_name[] = "ffmpeg";
107 const int program_birth_year = 2000;
109 static FILE *vstats_file;
111 static void do_video_stats(AVFormatContext *os, OutputStream *ost, int frame_size);
112 static int64_t getutime(void);
114 static int run_as_daemon = 0;
115 static int64_t video_size = 0;
116 static int64_t audio_size = 0;
117 static int64_t subtitle_size = 0;
118 static int64_t extra_size = 0;
119 static int nb_frames_dup = 0;
120 static int nb_frames_drop = 0;
122 static int current_time;
123 AVIOContext *progress_avio = NULL;
125 static uint8_t *subtitle_out;
128 /* signal to input threads that they should exit; set by the main thread */
129 static int transcoding_finished;
132 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
134 InputStream **input_streams = NULL;
135 int nb_input_streams = 0;
136 InputFile **input_files = NULL;
137 int nb_input_files = 0;
139 OutputStream **output_streams = NULL;
140 int nb_output_streams = 0;
141 OutputFile **output_files = NULL;
142 int nb_output_files = 0;
144 FilterGraph **filtergraphs;
149 /* init terminal so that we can grab keys */
150 static struct termios oldtty;
151 static int restore_tty;
156 Convert subtitles to video with alpha to insert them in filter graphs.
157 This is a temporary solution until libavfilter gets real subtitles support.
162 static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h,
165 uint32_t *pal, *dst2;
169 if (r->type != SUBTITLE_BITMAP) {
170 av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n");
173 if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) {
174 av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n");
178 dst += r->y * dst_linesize + r->x * 4;
179 src = r->pict.data[0];
180 pal = (uint32_t *)r->pict.data[1];
181 for (y = 0; y < r->h; y++) {
182 dst2 = (uint32_t *)dst;
184 for (x = 0; x < r->w; x++)
185 *(dst2++) = pal[*(src2++)];
187 src += r->pict.linesize[0];
191 static void sub2video_push_ref(InputStream *ist, int64_t pts)
193 AVFilterBufferRef *ref = ist->sub2video.ref;
196 ist->sub2video.last_pts = ref->pts = pts;
197 for (i = 0; i < ist->nb_filters; i++)
198 av_buffersrc_add_ref(ist->filters[i]->filter,
199 avfilter_ref_buffer(ref, ~0),
200 AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT |
201 AV_BUFFERSRC_FLAG_NO_COPY |
202 AV_BUFFERSRC_FLAG_PUSH);
205 static void sub2video_update(InputStream *ist, AVSubtitle *sub)
207 int w = ist->sub2video.w, h = ist->sub2video.h;
208 AVFilterBufferRef *ref = ist->sub2video.ref;
212 int64_t pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ist->st->time_base);
217 dst_linesize = ref->linesize[0];
218 memset(dst, 0, h * dst_linesize);
219 for (i = 0; i < sub->num_rects; i++)
220 sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]);
221 sub2video_push_ref(ist, pts);
224 static void sub2video_heartbeat(InputStream *ist, int64_t pts)
226 InputFile *infile = input_files[ist->file_index];
230 /* When a frame is read from a file, examine all sub2video streams in
231 the same file and send the sub2video frame again. Otherwise, decoded
232 video frames could be accumulating in the filter graph while a filter
233 (possibly overlay) is desperately waiting for a subtitle frame. */
234 for (i = 0; i < infile->nb_streams; i++) {
235 InputStream *ist2 = input_streams[infile->ist_index + i];
236 if (!ist2->sub2video.ref)
238 /* subtitles seem to be usually muxed ahead of other streams;
239 if not, substracting a larger time here is necessary */
240 pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1;
241 /* do not send the heartbeat frame if the subtitle is already ahead */
242 if (pts2 <= ist2->sub2video.last_pts)
244 for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++)
245 nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter);
247 sub2video_push_ref(ist2, pts2);
251 static void sub2video_flush(InputStream *ist)
255 for (i = 0; i < ist->nb_filters; i++)
256 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
259 /* end of sub2video hack */
263 av_log(NULL, AV_LOG_QUIET, "%s", "");
266 tcsetattr (0, TCSANOW, &oldtty);
270 static volatile int received_sigterm = 0;
271 static volatile int received_nb_signals = 0;
274 sigterm_handler(int sig)
276 received_sigterm = sig;
277 received_nb_signals++;
279 if(received_nb_signals > 3)
290 istty = isatty(0) && isatty(2);
292 if (istty && tcgetattr (0, &tty) == 0) {
297 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
298 |INLCR|IGNCR|ICRNL|IXON);
299 tty.c_oflag |= OPOST;
300 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
301 tty.c_cflag &= ~(CSIZE|PARENB);
306 tcsetattr (0, TCSANOW, &tty);
308 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
311 avformat_network_deinit();
313 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
314 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
316 signal(SIGXCPU, sigterm_handler);
320 /* read a key without blocking */
321 static int read_key(void)
333 n = select(1, &rfds, NULL, NULL, &tv);
342 # if HAVE_PEEKNAMEDPIPE
344 static HANDLE input_handle;
347 input_handle = GetStdHandle(STD_INPUT_HANDLE);
348 is_pipe = !GetConsoleMode(input_handle, &dw);
351 if (stdin->_cnt > 0) {
356 /* When running under a GUI, you will end here. */
357 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL))
374 static int decode_interrupt_cb(void *ctx)
376 return received_nb_signals > 1;
379 const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
381 void av_noreturn exit_program(int ret)
385 for (i = 0; i < nb_filtergraphs; i++) {
386 avfilter_graph_free(&filtergraphs[i]->graph);
387 for (j = 0; j < filtergraphs[i]->nb_inputs; j++) {
388 av_freep(&filtergraphs[i]->inputs[j]->name);
389 av_freep(&filtergraphs[i]->inputs[j]);
391 av_freep(&filtergraphs[i]->inputs);
392 for (j = 0; j < filtergraphs[i]->nb_outputs; j++) {
393 av_freep(&filtergraphs[i]->outputs[j]->name);
394 av_freep(&filtergraphs[i]->outputs[j]);
396 av_freep(&filtergraphs[i]->outputs);
397 av_freep(&filtergraphs[i]);
399 av_freep(&filtergraphs);
401 av_freep(&subtitle_out);
404 for (i = 0; i < nb_output_files; i++) {
405 AVFormatContext *s = output_files[i]->ctx;
406 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
408 avformat_free_context(s);
409 av_dict_free(&output_files[i]->opts);
410 av_freep(&output_files[i]);
412 for (i = 0; i < nb_output_streams; i++) {
413 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
415 AVBitStreamFilterContext *next = bsfc->next;
416 av_bitstream_filter_close(bsfc);
419 output_streams[i]->bitstream_filters = NULL;
420 avcodec_free_frame(&output_streams[i]->filtered_frame);
422 av_freep(&output_streams[i]->forced_keyframes);
423 av_freep(&output_streams[i]->avfilter);
424 av_freep(&output_streams[i]->logfile_prefix);
425 av_freep(&output_streams[i]);
427 for (i = 0; i < nb_input_files; i++) {
428 avformat_close_input(&input_files[i]->ctx);
429 av_freep(&input_files[i]);
431 for (i = 0; i < nb_input_streams; i++) {
432 avcodec_free_frame(&input_streams[i]->decoded_frame);
433 av_dict_free(&input_streams[i]->opts);
434 free_buffer_pool(&input_streams[i]->buffer_pool);
435 avfilter_unref_bufferp(&input_streams[i]->sub2video.ref);
436 av_freep(&input_streams[i]->filters);
437 av_freep(&input_streams[i]);
442 av_free(vstats_filename);
444 av_freep(&input_streams);
445 av_freep(&input_files);
446 av_freep(&output_streams);
447 av_freep(&output_files);
452 avformat_network_deinit();
454 if (received_sigterm) {
455 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
456 (int) received_sigterm);
463 void assert_avoptions(AVDictionary *m)
465 AVDictionaryEntry *t;
466 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
467 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
472 static void assert_codec_experimental(AVCodecContext *c, int encoder)
474 const char *codec_string = encoder ? "encoder" : "decoder";
476 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
477 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
478 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
479 "results.\nAdd '-strict experimental' if you want to use it.\n",
480 codec_string, c->codec->name);
481 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
482 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
483 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
484 codec_string, codec->name);
489 static void update_benchmark(const char *fmt, ...)
491 if (do_benchmark_all) {
492 int64_t t = getutime();
498 vsnprintf(buf, sizeof(buf), fmt, va);
500 printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
506 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
508 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
509 AVCodecContext *avctx = ost->st->codec;
512 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
513 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
514 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
516 if ((avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) && pkt->dts != AV_NOPTS_VALUE) {
517 int64_t max = ost->st->cur_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
518 if (ost->st->cur_dts && ost->st->cur_dts != AV_NOPTS_VALUE && max > pkt->dts) {
519 av_log(s, max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG,
520 "st:%d PTS: %"PRId64" DTS: %"PRId64" < %"PRId64" invalid, clipping\n", pkt->stream_index, pkt->pts, pkt->dts, max);
521 if(pkt->pts >= pkt->dts)
522 pkt->pts = FFMAX(pkt->pts, max);
528 * Audio encoders may split the packets -- #frames in != #packets out.
529 * But there is no reordering, so we can limit the number of output packets
530 * by simply dropping them here.
531 * Counting encoded video frames needs to be done separately because of
532 * reordering, see do_video_out()
534 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
535 if (ost->frame_number >= ost->max_frames) {
543 AVPacket new_pkt = *pkt;
544 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
545 &new_pkt.data, &new_pkt.size,
546 pkt->data, pkt->size,
547 pkt->flags & AV_PKT_FLAG_KEY);
548 if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) {
549 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
551 memcpy(t, new_pkt.data, new_pkt.size);
552 memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
560 new_pkt.destruct = av_destruct_packet;
562 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
563 bsfc->filter->name, pkt->stream_index,
564 avctx->codec ? avctx->codec->name : "copy");
574 pkt->stream_index = ost->index;
577 av_log(NULL, AV_LOG_INFO, "muxer <- type:%s "
578 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
579 av_get_media_type_string(ost->st->codec->codec_type),
580 av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base),
581 av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base)
585 ret = av_interleaved_write_frame(s, pkt);
587 print_error("av_interleaved_write_frame()", ret);
592 static void close_output_stream(OutputStream *ost)
594 OutputFile *of = output_files[ost->file_index];
599 for (i = 0; i < of->ctx->nb_streams; i++)
600 output_streams[of->ost_index + i]->finished = 1;
604 static int check_recording_time(OutputStream *ost)
606 OutputFile *of = output_files[ost->file_index];
608 if (of->recording_time != INT64_MAX &&
609 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
610 AV_TIME_BASE_Q) >= 0) {
611 close_output_stream(ost);
617 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
620 AVCodecContext *enc = ost->st->codec;
624 av_init_packet(&pkt);
628 if (!check_recording_time(ost))
631 if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0)
632 frame->pts = ost->sync_opts;
633 ost->sync_opts = frame->pts + frame->nb_samples;
635 av_assert0(pkt.size || !pkt.data);
636 update_benchmark(NULL);
637 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
638 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
641 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
644 if (pkt.pts != AV_NOPTS_VALUE)
645 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
646 if (pkt.dts != AV_NOPTS_VALUE)
647 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
648 if (pkt.duration > 0)
649 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
652 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
653 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
654 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
655 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
658 audio_size += pkt.size;
659 write_frame(s, &pkt, ost);
661 av_free_packet(&pkt);
665 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
669 AVPicture picture_tmp;
672 dec = ist->st->codec;
674 /* deinterlace : must be done before any resize */
675 if (do_deinterlace) {
678 /* create temporary picture */
679 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
680 buf = av_malloc(size);
684 picture2 = &picture_tmp;
685 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
687 if (avpicture_deinterlace(picture2, picture,
688 dec->pix_fmt, dec->width, dec->height) < 0) {
689 /* if error, do not deinterlace */
690 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
699 if (picture != picture2)
700 *picture = *picture2;
704 static void do_subtitle_out(AVFormatContext *s,
709 int subtitle_out_max_size = 1024 * 1024;
710 int subtitle_out_size, nb, i;
715 if (sub->pts == AV_NOPTS_VALUE) {
716 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
722 enc = ost->st->codec;
725 subtitle_out = av_malloc(subtitle_out_max_size);
728 /* Note: DVB subtitle need one packet to draw them and one other
729 packet to clear them */
730 /* XXX: signal it in the codec context ? */
731 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE)
736 /* shift timestamp to honor -ss and make check_recording_time() work with -t */
737 pts = sub->pts - output_files[ost->file_index]->start_time;
738 for (i = 0; i < nb; i++) {
739 ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base);
740 if (!check_recording_time(ost))
744 // start_display_time is required to be 0
745 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
746 sub->end_display_time -= sub->start_display_time;
747 sub->start_display_time = 0;
750 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
751 subtitle_out_max_size, sub);
752 if (subtitle_out_size < 0) {
753 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
757 av_init_packet(&pkt);
758 pkt.data = subtitle_out;
759 pkt.size = subtitle_out_size;
760 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
761 pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base);
762 if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
763 /* XXX: the pts correction is handled here. Maybe handling
764 it in the codec would be better */
766 pkt.pts += 90 * sub->start_display_time;
768 pkt.pts += 90 * sub->end_display_time;
770 subtitle_size += pkt.size;
771 write_frame(s, &pkt, ost);
775 static void do_video_out(AVFormatContext *s,
780 int ret, format_video_sync;
782 AVCodecContext *enc = ost->st->codec;
784 double sync_ipts, delta;
787 InputStream *ist = NULL;
789 if (ost->source_index >= 0)
790 ist = input_streams[ost->source_index];
792 if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num)
793 duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base));
795 sync_ipts = in_picture->pts;
796 delta = sync_ipts - ost->sync_opts + duration;
798 /* by default, we output a single frame */
801 format_video_sync = video_sync_method;
802 if (format_video_sync == VSYNC_AUTO)
803 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : 1;
805 switch (format_video_sync) {
807 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
810 else if (delta > 1.1)
811 nb_frames = lrintf(delta);
816 else if (delta > 0.6)
817 ost->sync_opts = lrint(sync_ipts);
820 case VSYNC_PASSTHROUGH:
821 ost->sync_opts = lrint(sync_ipts);
827 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
828 if (nb_frames == 0) {
830 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
832 } else if (nb_frames > 1) {
833 if (nb_frames > dts_error_threshold * 30) {
834 av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1);
838 nb_frames_dup += nb_frames - 1;
839 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
842 /* duplicates frame if needed */
843 for (i = 0; i < nb_frames; i++) {
844 av_init_packet(&pkt);
848 in_picture->pts = ost->sync_opts;
850 if (!check_recording_time(ost))
853 if (s->oformat->flags & AVFMT_RAWPICTURE &&
854 enc->codec->id == AV_CODEC_ID_RAWVIDEO) {
855 /* raw pictures are written as AVPicture structure to
856 avoid any copies. We support temporarily the older
858 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
859 enc->coded_frame->top_field_first = in_picture->top_field_first;
860 pkt.data = (uint8_t *)in_picture;
861 pkt.size = sizeof(AVPicture);
862 pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base);
863 pkt.flags |= AV_PKT_FLAG_KEY;
865 video_size += pkt.size;
866 write_frame(s, &pkt, ost);
871 big_picture = *in_picture;
872 /* better than nothing: use input picture interlaced
874 big_picture.interlaced_frame = in_picture->interlaced_frame;
875 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
876 if (ost->top_field_first == -1)
877 big_picture.top_field_first = in_picture->top_field_first;
879 big_picture.top_field_first = !!ost->top_field_first;
882 /* handles same_quant here. This is not correct because it may
883 not be a global option */
884 big_picture.quality = quality;
885 if (!enc->me_threshold)
886 big_picture.pict_type = 0;
887 if (ost->forced_kf_index < ost->forced_kf_count &&
888 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
889 big_picture.pict_type = AV_PICTURE_TYPE_I;
890 ost->forced_kf_index++;
892 update_benchmark(NULL);
893 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
894 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
896 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
901 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
902 pkt.pts = ost->sync_opts;
904 if (pkt.pts != AV_NOPTS_VALUE)
905 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
906 if (pkt.dts != AV_NOPTS_VALUE)
907 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
910 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
911 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
912 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
913 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
916 frame_size = pkt.size;
917 video_size += pkt.size;
918 write_frame(s, &pkt, ost);
919 av_free_packet(&pkt);
921 /* if two pass, output log */
922 if (ost->logfile && enc->stats_out) {
923 fprintf(ost->logfile, "%s", enc->stats_out);
929 * For video, number of frames in == number of packets out.
930 * But there may be reordering, so we can't throw away frames on encoder
931 * flush, we need to limit them here, before they go into encoder.
936 if (vstats_filename && frame_size)
937 do_video_stats(output_files[ost->file_index]->ctx, ost, frame_size);
940 static double psnr(double d)
942 return -10.0 * log(d) / log(10.0);
945 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
950 double ti1, bitrate, avg_bitrate;
952 /* this is executed just the first time do_video_stats is called */
954 vstats_file = fopen(vstats_filename, "w");
961 enc = ost->st->codec;
962 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
963 frame_number = ost->frame_number;
964 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
965 if (enc->flags&CODEC_FLAG_PSNR)
966 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
968 fprintf(vstats_file,"f_size= %6d ", frame_size);
969 /* compute pts value */
970 ti1 = ost->sync_opts * av_q2d(enc->time_base);
974 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
975 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
976 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
977 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
978 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
983 * Get and encode new output from any of the filtergraphs, without causing
986 * @return 0 for success, <0 for severe errors
988 static int reap_filters(void)
990 AVFilterBufferRef *picref;
991 AVFrame *filtered_frame = NULL;
995 /* Reap all buffers present in the buffer sinks */
996 for (i = 0; i < nb_output_streams; i++) {
997 OutputStream *ost = output_streams[i];
998 OutputFile *of = output_files[ost->file_index];
1004 if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
1005 return AVERROR(ENOMEM);
1007 avcodec_get_frame_defaults(ost->filtered_frame);
1008 filtered_frame = ost->filtered_frame;
1011 ret = av_buffersink_get_buffer_ref(ost->filter->filter, &picref,
1012 AV_BUFFERSINK_FLAG_NO_REQUEST);
1014 if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) {
1016 av_strerror(ret, buf, sizeof(buf));
1017 av_log(NULL, AV_LOG_WARNING,
1018 "Error in av_buffersink_get_buffer_ref(): %s\n", buf);
1022 frame_pts = AV_NOPTS_VALUE;
1023 if (picref->pts != AV_NOPTS_VALUE) {
1024 filtered_frame->pts = frame_pts = av_rescale_q(picref->pts,
1025 ost->filter->filter->inputs[0]->time_base,
1026 ost->st->codec->time_base) -
1027 av_rescale_q(of->start_time,
1029 ost->st->codec->time_base);
1031 if (of->start_time && filtered_frame->pts < 0) {
1032 avfilter_unref_buffer(picref);
1036 //if (ost->source_index >= 0)
1037 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
1040 switch (ost->filter->filter->inputs[0]->type) {
1041 case AVMEDIA_TYPE_VIDEO:
1042 avfilter_copy_buf_props(filtered_frame, picref);
1043 filtered_frame->pts = frame_pts;
1044 if (!ost->frame_aspect_ratio)
1045 ost->st->codec->sample_aspect_ratio = picref->video->sample_aspect_ratio;
1047 do_video_out(of->ctx, ost, filtered_frame,
1048 same_quant ? ost->last_quality :
1049 ost->st->codec->global_quality);
1051 case AVMEDIA_TYPE_AUDIO:
1052 avfilter_copy_buf_props(filtered_frame, picref);
1053 filtered_frame->pts = frame_pts;
1054 do_audio_out(of->ctx, ost, filtered_frame);
1057 // TODO support subtitle filters
1061 avfilter_unref_buffer(picref);
1068 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
1071 AVBPrint buf_script;
1073 AVFormatContext *oc;
1075 AVCodecContext *enc;
1076 int frame_number, vid, i;
1078 int64_t pts = INT64_MIN;
1079 static int64_t last_time = -1;
1080 static int qp_histogram[52];
1081 int hours, mins, secs, us;
1083 if (!print_stats && !is_last_report && !progress_avio)
1086 if (!is_last_report) {
1087 if (last_time == -1) {
1088 last_time = cur_time;
1091 if ((cur_time - last_time) < 500000)
1093 last_time = cur_time;
1097 oc = output_files[0]->ctx;
1099 total_size = avio_size(oc->pb);
1100 if (total_size < 0) { // FIXME improve avio_size() so it works with non seekable output too
1101 total_size = avio_tell(oc->pb);
1108 av_bprint_init(&buf_script, 0, 1);
1109 for (i = 0; i < nb_output_streams; i++) {
1111 ost = output_streams[i];
1112 enc = ost->st->codec;
1113 if (!ost->stream_copy && enc->coded_frame)
1114 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1115 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1116 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1117 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1118 ost->file_index, ost->index, q);
1120 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1121 float fps, t = (cur_time-timer_start) / 1000000.0;
1123 frame_number = ost->frame_number;
1124 fps = t > 1 ? frame_number / t : 0;
1125 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1126 frame_number, fps < 9.95, fps, q);
1127 av_bprintf(&buf_script, "frame=%d\n", frame_number);
1128 av_bprintf(&buf_script, "fps=%.1f\n", fps);
1129 av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
1130 ost->file_index, ost->index, q);
1132 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1136 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1138 for (j = 0; j < 32; j++)
1139 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1)));
1141 if (enc->flags&CODEC_FLAG_PSNR) {
1143 double error, error_sum = 0;
1144 double scale, scale_sum = 0;
1146 char type[3] = { 'Y','U','V' };
1147 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1148 for (j = 0; j < 3; j++) {
1149 if (is_last_report) {
1150 error = enc->error[j];
1151 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1153 error = enc->coded_frame->error[j];
1154 scale = enc->width * enc->height * 255.0 * 255.0;
1160 p = psnr(error / scale);
1161 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p);
1162 av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n",
1163 ost->file_index, ost->index, type[i] | 32, p);
1165 p = psnr(error_sum / scale_sum);
1166 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1167 av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n",
1168 ost->file_index, ost->index, p);
1172 /* compute min output value */
1173 if ((is_last_report || !ost->finished) && ost->st->pts.val != AV_NOPTS_VALUE)
1174 pts = FFMAX(pts, av_rescale_q(ost->st->pts.val,
1175 ost->st->time_base, AV_TIME_BASE_Q));
1178 secs = pts / AV_TIME_BASE;
1179 us = pts % AV_TIME_BASE;
1185 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1187 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1188 "size=%8.0fkB time=", total_size / 1024.0);
1189 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1190 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1191 (100 * us) / AV_TIME_BASE);
1192 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1193 "bitrate=%6.1fkbits/s", bitrate);
1194 av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
1195 av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
1196 av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n",
1197 hours, mins, secs, us);
1199 if (nb_frames_dup || nb_frames_drop)
1200 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1201 nb_frames_dup, nb_frames_drop);
1202 av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup);
1203 av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop);
1205 if (print_stats || is_last_report) {
1206 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1211 if (progress_avio) {
1212 av_bprintf(&buf_script, "progress=%s\n",
1213 is_last_report ? "end" : "continue");
1214 avio_write(progress_avio, buf_script.str,
1215 FFMIN(buf_script.len, buf_script.size - 1));
1216 avio_flush(progress_avio);
1217 av_bprint_finalize(&buf_script, NULL);
1218 if (is_last_report) {
1219 avio_close(progress_avio);
1220 progress_avio = NULL;
1224 if (is_last_report) {
1225 int64_t raw= audio_size + video_size + subtitle_size + extra_size;
1226 av_log(NULL, AV_LOG_INFO, "\n");
1227 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0f global headers:%1.0fkB muxing overhead %f%%\n",
1228 video_size / 1024.0,
1229 audio_size / 1024.0,
1230 subtitle_size / 1024.0,
1231 extra_size / 1024.0,
1232 100.0 * (total_size - raw) / raw
1234 if(video_size + audio_size + subtitle_size + extra_size == 0){
1235 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1240 static void flush_encoders(void)
1244 for (i = 0; i < nb_output_streams; i++) {
1245 OutputStream *ost = output_streams[i];
1246 AVCodecContext *enc = ost->st->codec;
1247 AVFormatContext *os = output_files[ost->file_index]->ctx;
1248 int stop_encoding = 0;
1250 if (!ost->encoding_needed)
1253 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1255 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO)
1259 int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL;
1263 switch (ost->st->codec->codec_type) {
1264 case AVMEDIA_TYPE_AUDIO:
1265 encode = avcodec_encode_audio2;
1269 case AVMEDIA_TYPE_VIDEO:
1270 encode = avcodec_encode_video2;
1281 av_init_packet(&pkt);
1285 update_benchmark(NULL);
1286 ret = encode(enc, &pkt, NULL, &got_packet);
1287 update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index);
1289 av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc);
1293 if (ost->logfile && enc->stats_out) {
1294 fprintf(ost->logfile, "%s", enc->stats_out);
1300 if (pkt.pts != AV_NOPTS_VALUE)
1301 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1302 if (pkt.dts != AV_NOPTS_VALUE)
1303 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1304 write_frame(os, &pkt, ost);
1314 * Check whether a packet from ist should be written into ost at this time
1316 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1318 OutputFile *of = output_files[ost->file_index];
1319 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
1321 if (ost->source_index != ist_index)
1324 if (of->start_time && ist->pts < of->start_time)
1330 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1332 OutputFile *of = output_files[ost->file_index];
1333 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1337 av_init_packet(&opkt);
1339 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1340 !ost->copy_initial_nonkeyframes)
1343 if (!ost->frame_number && ist->pts < of->start_time &&
1344 !ost->copy_prior_start)
1347 if (of->recording_time != INT64_MAX &&
1348 ist->pts >= of->recording_time + of->start_time) {
1349 close_output_stream(ost);
1353 /* force the input stream PTS */
1354 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1355 audio_size += pkt->size;
1356 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1357 video_size += pkt->size;
1359 } else if (ost->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
1360 subtitle_size += pkt->size;
1363 if (pkt->pts != AV_NOPTS_VALUE)
1364 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1366 opkt.pts = AV_NOPTS_VALUE;
1368 if (pkt->dts == AV_NOPTS_VALUE)
1369 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1371 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1372 opkt.dts -= ost_tb_start_time;
1374 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1375 opkt.flags = pkt->flags;
1377 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1378 if ( ost->st->codec->codec_id != AV_CODEC_ID_H264
1379 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO
1380 && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO
1381 && ost->st->codec->codec_id != AV_CODEC_ID_VC1
1383 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1384 opkt.destruct = av_destruct_packet;
1386 opkt.data = pkt->data;
1387 opkt.size = pkt->size;
1390 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) {
1391 /* store AVPicture in AVPacket, as expected by the output format */
1392 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1393 opkt.data = (uint8_t *)&pict;
1394 opkt.size = sizeof(AVPicture);
1395 opkt.flags |= AV_PKT_FLAG_KEY;
1398 write_frame(of->ctx, &opkt, ost);
1399 ost->st->codec->frame_number++;
1400 av_free_packet(&opkt);
1403 static void rate_emu_sleep(InputStream *ist)
1405 if (input_files[ist->file_index]->rate_emu) {
1406 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
1407 int64_t now = av_gettime() - ist->start;
1409 av_usleep(pts - now);
1413 int guess_input_channel_layout(InputStream *ist)
1415 AVCodecContext *dec = ist->st->codec;
1417 if (!dec->channel_layout) {
1418 char layout_name[256];
1420 dec->channel_layout = av_get_default_channel_layout(dec->channels);
1421 if (!dec->channel_layout)
1423 av_get_channel_layout_string(layout_name, sizeof(layout_name),
1424 dec->channels, dec->channel_layout);
1425 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
1426 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
1431 static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1433 AVFrame *decoded_frame;
1434 AVCodecContext *avctx = ist->st->codec;
1435 int i, ret, resample_changed;
1436 AVRational decoded_frame_tb;
1438 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1439 return AVERROR(ENOMEM);
1441 avcodec_get_frame_defaults(ist->decoded_frame);
1442 decoded_frame = ist->decoded_frame;
1444 update_benchmark(NULL);
1445 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1446 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
1448 if (ret >= 0 && avctx->sample_rate <= 0) {
1449 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
1450 ret = AVERROR_INVALIDDATA;
1453 if (!*got_output || ret < 0) {
1455 for (i = 0; i < ist->nb_filters; i++)
1456 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1462 /* increment next_dts to use for the case where the input stream does not
1463 have timestamps or there are multiple frames in the packet */
1464 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1466 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1470 rate_emu_sleep(ist);
1472 resample_changed = ist->resample_sample_fmt != decoded_frame->format ||
1473 ist->resample_channels != avctx->channels ||
1474 ist->resample_channel_layout != decoded_frame->channel_layout ||
1475 ist->resample_sample_rate != decoded_frame->sample_rate;
1476 if (resample_changed) {
1477 char layout1[64], layout2[64];
1479 if (!guess_input_channel_layout(ist)) {
1480 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
1481 "layout for Input Stream #%d.%d\n", ist->file_index,
1485 decoded_frame->channel_layout = avctx->channel_layout;
1487 av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels,
1488 ist->resample_channel_layout);
1489 av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels,
1490 decoded_frame->channel_layout);
1492 av_log(NULL, AV_LOG_INFO,
1493 "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",
1494 ist->file_index, ist->st->index,
1495 ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt),
1496 ist->resample_channels, layout1,
1497 decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format),
1498 avctx->channels, layout2);
1500 ist->resample_sample_fmt = decoded_frame->format;
1501 ist->resample_sample_rate = decoded_frame->sample_rate;
1502 ist->resample_channel_layout = decoded_frame->channel_layout;
1503 ist->resample_channels = avctx->channels;
1505 for (i = 0; i < nb_filtergraphs; i++)
1506 if (ist_in_filtergraph(filtergraphs[i], ist)) {
1507 FilterGraph *fg = filtergraphs[i];
1509 if (configure_filtergraph(fg) < 0) {
1510 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1513 for (j = 0; j < fg->nb_outputs; j++) {
1514 OutputStream *ost = fg->outputs[j]->ost;
1515 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
1516 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
1517 av_buffersink_set_frame_size(ost->filter->filter,
1518 ost->st->codec->frame_size);
1523 /* if the decoder provides a pts, use it instead of the last packet pts.
1524 the decoder could be delaying output by a packet or more. */
1525 if (decoded_frame->pts != AV_NOPTS_VALUE) {
1526 ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
1527 decoded_frame_tb = avctx->time_base;
1528 } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
1529 decoded_frame->pts = decoded_frame->pkt_pts;
1530 pkt->pts = AV_NOPTS_VALUE;
1531 decoded_frame_tb = ist->st->time_base;
1532 } else if (pkt->pts != AV_NOPTS_VALUE) {
1533 decoded_frame->pts = pkt->pts;
1534 pkt->pts = AV_NOPTS_VALUE;
1535 decoded_frame_tb = ist->st->time_base;
1537 decoded_frame->pts = ist->dts;
1538 decoded_frame_tb = AV_TIME_BASE_Q;
1540 if (decoded_frame->pts != AV_NOPTS_VALUE)
1541 decoded_frame->pts = av_rescale_q(decoded_frame->pts,
1543 (AVRational){1, ist->st->codec->sample_rate});
1544 for (i = 0; i < ist->nb_filters; i++)
1545 av_buffersrc_add_frame(ist->filters[i]->filter, decoded_frame,
1546 AV_BUFFERSRC_FLAG_PUSH);
1548 decoded_frame->pts = AV_NOPTS_VALUE;
1553 static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output)
1555 AVFrame *decoded_frame;
1556 void *buffer_to_free = NULL;
1557 int i, ret = 0, resample_changed;
1558 int64_t best_effort_timestamp;
1559 AVRational *frame_sample_aspect;
1562 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1563 return AVERROR(ENOMEM);
1565 avcodec_get_frame_defaults(ist->decoded_frame);
1566 decoded_frame = ist->decoded_frame;
1567 pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base);
1569 update_benchmark(NULL);
1570 ret = avcodec_decode_video2(ist->st->codec,
1571 decoded_frame, got_output, pkt);
1572 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
1573 if (!*got_output || ret < 0) {
1575 for (i = 0; i < ist->nb_filters; i++)
1576 av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0);
1581 quality = same_quant ? decoded_frame->quality : 0;
1583 if(ist->top_field_first>=0)
1584 decoded_frame->top_field_first = ist->top_field_first;
1586 best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame);
1587 if(best_effort_timestamp != AV_NOPTS_VALUE)
1588 ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q);
1591 av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video "
1592 "frame_pts:%s frame_pts_time:%s best_effort_ts:%"PRId64" best_effort_ts_time:%s keyframe:%d frame_type:%d \n",
1593 ist->st->index, av_ts2str(decoded_frame->pts),
1594 av_ts2timestr(decoded_frame->pts, &ist->st->time_base),
1595 best_effort_timestamp,
1596 av_ts2timestr(best_effort_timestamp, &ist->st->time_base),
1597 decoded_frame->key_frame, decoded_frame->pict_type);
1601 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1603 rate_emu_sleep(ist);
1605 if (ist->st->sample_aspect_ratio.num)
1606 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1608 resample_changed = ist->resample_width != decoded_frame->width ||
1609 ist->resample_height != decoded_frame->height ||
1610 ist->resample_pix_fmt != decoded_frame->format;
1611 if (resample_changed) {
1612 av_log(NULL, AV_LOG_INFO,
1613 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1614 ist->file_index, ist->st->index,
1615 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
1616 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1618 ist->resample_width = decoded_frame->width;
1619 ist->resample_height = decoded_frame->height;
1620 ist->resample_pix_fmt = decoded_frame->format;
1622 for (i = 0; i < nb_filtergraphs; i++)
1623 if (ist_in_filtergraph(filtergraphs[i], ist) &&
1624 configure_filtergraph(filtergraphs[i]) < 0) {
1625 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1630 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
1631 for (i = 0; i < ist->nb_filters; i++) {
1632 int changed = ist->st->codec->width != ist->filters[i]->filter->outputs[0]->w
1633 || ist->st->codec->height != ist->filters[i]->filter->outputs[0]->h
1634 || ist->st->codec->pix_fmt != ist->filters[i]->filter->outputs[0]->format;
1635 // XXX what an ugly hack
1636 if (ist->filters[i]->graph->nb_outputs == 1)
1637 ist->filters[i]->graph->outputs[0]->ost->last_quality = quality;
1639 if (!frame_sample_aspect->num)
1640 *frame_sample_aspect = ist->st->sample_aspect_ratio;
1641 if (ist->dr1 && decoded_frame->type==FF_BUFFER_TYPE_USER && !changed) {
1642 FrameBuffer *buf = decoded_frame->opaque;
1643 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
1644 decoded_frame->data, decoded_frame->linesize,
1645 AV_PERM_READ | AV_PERM_PRESERVE,
1646 ist->st->codec->width, ist->st->codec->height,
1647 ist->st->codec->pix_fmt);
1649 avfilter_copy_frame_props(fb, decoded_frame);
1650 fb->buf->priv = buf;
1651 fb->buf->free = filter_release_buffer;
1653 av_assert0(buf->refcount>0);
1655 av_buffersrc_add_ref(ist->filters[i]->filter, fb,
1656 AV_BUFFERSRC_FLAG_NO_CHECK_FORMAT |
1657 AV_BUFFERSRC_FLAG_NO_COPY |
1658 AV_BUFFERSRC_FLAG_PUSH);
1660 if(av_buffersrc_add_frame(ist->filters[i]->filter, decoded_frame, AV_BUFFERSRC_FLAG_PUSH)<0) {
1661 av_log(NULL, AV_LOG_FATAL, "Failed to inject frame into filter network\n");
1667 av_free(buffer_to_free);
1671 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
1673 AVSubtitle subtitle;
1674 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
1675 &subtitle, got_output, pkt);
1676 if (ret < 0 || !*got_output) {
1678 sub2video_flush(ist);
1682 if (ist->fix_sub_duration) {
1683 if (ist->prev_sub.got_output) {
1684 int end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts,
1685 1000, AV_TIME_BASE);
1686 if (end < ist->prev_sub.subtitle.end_display_time) {
1687 av_log(ist->st->codec, AV_LOG_DEBUG,
1688 "Subtitle duration reduced from %d to %d\n",
1689 ist->prev_sub.subtitle.end_display_time, end);
1690 ist->prev_sub.subtitle.end_display_time = end;
1693 FFSWAP(int, *got_output, ist->prev_sub.got_output);
1694 FFSWAP(int, ret, ist->prev_sub.ret);
1695 FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle);
1698 sub2video_update(ist, &subtitle);
1700 if (!*got_output || !subtitle.num_rects)
1703 rate_emu_sleep(ist);
1705 for (i = 0; i < nb_output_streams; i++) {
1706 OutputStream *ost = output_streams[i];
1708 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1711 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle);
1714 avsubtitle_free(&subtitle);
1718 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1719 static int output_packet(InputStream *ist, const AVPacket *pkt)
1725 if (!ist->saw_first_ts) {
1726 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;
1728 if (pkt != NULL && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) {
1729 ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1730 ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong
1732 ist->saw_first_ts = 1;
1735 if (ist->next_dts == AV_NOPTS_VALUE)
1736 ist->next_dts = ist->dts;
1737 if (ist->next_pts == AV_NOPTS_VALUE)
1738 ist->next_pts = ist->pts;
1742 av_init_packet(&avpkt);
1750 if (pkt->dts != AV_NOPTS_VALUE) {
1751 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1752 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
1753 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1756 // while we have more to decode or while the decoder did output something on EOF
1757 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
1761 ist->pts = ist->next_pts;
1762 ist->dts = ist->next_dts;
1764 if (avpkt.size && avpkt.size != pkt->size) {
1765 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
1766 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1767 ist->showed_multi_packet_warning = 1;
1770 switch (ist->st->codec->codec_type) {
1771 case AVMEDIA_TYPE_AUDIO:
1772 ret = decode_audio (ist, &avpkt, &got_output);
1774 case AVMEDIA_TYPE_VIDEO:
1775 ret = decode_video (ist, &avpkt, &got_output);
1776 if (avpkt.duration) {
1777 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
1778 } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
1779 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1780 duration = ((int64_t)AV_TIME_BASE *
1781 ist->st->codec->time_base.num * ticks) /
1782 ist->st->codec->time_base.den;
1786 if(ist->dts != AV_NOPTS_VALUE && duration) {
1787 ist->next_dts += duration;
1789 ist->next_dts = AV_NOPTS_VALUE;
1792 ist->next_pts += duration; //FIXME the duration is not correct in some cases
1794 case AVMEDIA_TYPE_SUBTITLE:
1795 ret = transcode_subtitles(ist, &avpkt, &got_output);
1805 avpkt.pts= AV_NOPTS_VALUE;
1807 // touch data and size only if not EOF
1809 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
1819 /* handle stream copy */
1820 if (!ist->decoding_needed) {
1821 rate_emu_sleep(ist);
1822 ist->dts = ist->next_dts;
1823 switch (ist->st->codec->codec_type) {
1824 case AVMEDIA_TYPE_AUDIO:
1825 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1826 ist->st->codec->sample_rate;
1828 case AVMEDIA_TYPE_VIDEO:
1829 if (pkt->duration) {
1830 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
1831 } else if(ist->st->codec->time_base.num != 0) {
1832 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
1833 ist->next_dts += ((int64_t)AV_TIME_BASE *
1834 ist->st->codec->time_base.num * ticks) /
1835 ist->st->codec->time_base.den;
1839 ist->pts = ist->dts;
1840 ist->next_pts = ist->next_dts;
1842 for (i = 0; pkt && i < nb_output_streams; i++) {
1843 OutputStream *ost = output_streams[i];
1845 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
1848 do_streamcopy(ist, ost, pkt);
1854 static void print_sdp(void)
1858 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
1862 for (i = 0; i < nb_output_files; i++)
1863 avc[i] = output_files[i]->ctx;
1865 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
1866 printf("SDP:\n%s\n", sdp);
1871 static int init_input_stream(int ist_index, char *error, int error_len)
1873 InputStream *ist = input_streams[ist_index];
1875 if (ist->decoding_needed) {
1876 AVCodec *codec = ist->dec;
1878 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
1879 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
1880 return AVERROR(EINVAL);
1883 ist->dr1 = (codec->capabilities & CODEC_CAP_DR1) && !do_deinterlace;
1884 if (codec->type == AVMEDIA_TYPE_VIDEO && ist->dr1) {
1885 ist->st->codec->get_buffer = codec_get_buffer;
1886 ist->st->codec->release_buffer = codec_release_buffer;
1887 ist->st->codec->opaque = &ist->buffer_pool;
1890 if (!av_dict_get(ist->opts, "threads", NULL, 0))
1891 av_dict_set(&ist->opts, "threads", "auto", 0);
1892 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1893 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
1894 ist->file_index, ist->st->index);
1895 return AVERROR(EINVAL);
1897 assert_codec_experimental(ist->st->codec, 0);
1898 assert_avoptions(ist->opts);
1901 ist->next_pts = AV_NOPTS_VALUE;
1902 ist->next_dts = AV_NOPTS_VALUE;
1908 static InputStream *get_input_stream(OutputStream *ost)
1910 if (ost->source_index >= 0)
1911 return input_streams[ost->source_index];
1915 static void parse_forced_key_frames(char *kf, OutputStream *ost,
1916 AVCodecContext *avctx)
1922 for (p = kf; *p; p++)
1925 ost->forced_kf_count = n;
1926 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
1927 if (!ost->forced_kf_pts) {
1928 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
1933 for (i = 0; i < n; i++) {
1934 char *next = strchr(p, ',');
1939 t = parse_time_or_die("force_key_frames", p, 1);
1940 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
1946 static void report_new_stream(int input_index, AVPacket *pkt)
1948 InputFile *file = input_files[input_index];
1949 AVStream *st = file->ctx->streams[pkt->stream_index];
1951 if (pkt->stream_index < file->nb_streams_warn)
1953 av_log(file->ctx, AV_LOG_WARNING,
1954 "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n",
1955 av_get_media_type_string(st->codec->codec_type),
1956 input_index, pkt->stream_index,
1957 pkt->pos, av_ts2timestr(pkt->dts, &st->time_base));
1958 file->nb_streams_warn = pkt->stream_index + 1;
1961 static int transcode_init(void)
1963 int ret = 0, i, j, k;
1964 AVFormatContext *oc;
1965 AVCodecContext *codec;
1971 /* init framerate emulation */
1972 for (i = 0; i < nb_input_files; i++) {
1973 InputFile *ifile = input_files[i];
1974 if (ifile->rate_emu)
1975 for (j = 0; j < ifile->nb_streams; j++)
1976 input_streams[j + ifile->ist_index]->start = av_gettime();
1979 /* output stream init */
1980 for (i = 0; i < nb_output_files; i++) {
1981 oc = output_files[i]->ctx;
1982 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
1983 av_dump_format(oc, i, oc->filename, 1);
1984 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
1985 return AVERROR(EINVAL);
1989 /* init complex filtergraphs */
1990 for (i = 0; i < nb_filtergraphs; i++)
1991 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
1994 /* for each output stream, we compute the right encoding parameters */
1995 for (i = 0; i < nb_output_streams; i++) {
1996 AVCodecContext *icodec = NULL;
1997 ost = output_streams[i];
1998 oc = output_files[ost->file_index]->ctx;
1999 ist = get_input_stream(ost);
2001 if (ost->attachment_filename)
2004 codec = ost->st->codec;
2007 icodec = ist->st->codec;
2009 ost->st->disposition = ist->st->disposition;
2010 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2011 codec->chroma_sample_location = icodec->chroma_sample_location;
2014 if (ost->stream_copy) {
2015 uint64_t extra_size;
2017 av_assert0(ist && !ost->filter);
2019 extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2021 if (extra_size > INT_MAX) {
2022 return AVERROR(EINVAL);
2025 /* if stream_copy is selected, no need to decode or encode */
2026 codec->codec_id = icodec->codec_id;
2027 codec->codec_type = icodec->codec_type;
2029 if (!codec->codec_tag) {
2030 if (!oc->oformat->codec_tag ||
2031 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2032 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2033 codec->codec_tag = icodec->codec_tag;
2036 codec->bit_rate = icodec->bit_rate;
2037 codec->rc_max_rate = icodec->rc_max_rate;
2038 codec->rc_buffer_size = icodec->rc_buffer_size;
2039 codec->field_order = icodec->field_order;
2040 codec->extradata = av_mallocz(extra_size);
2041 if (!codec->extradata) {
2042 return AVERROR(ENOMEM);
2044 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2045 codec->extradata_size= icodec->extradata_size;
2046 codec->bits_per_coded_sample = icodec->bits_per_coded_sample;
2048 codec->time_base = ist->st->time_base;
2050 * Avi is a special case here because it supports variable fps but
2051 * having the fps and timebase differe significantly adds quite some
2054 if(!strcmp(oc->oformat->name, "avi")) {
2055 if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
2056 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
2057 && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(icodec->time_base)
2058 && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(icodec->time_base) < 1.0/500
2060 codec->time_base.num = ist->st->r_frame_rate.den;
2061 codec->time_base.den = 2*ist->st->r_frame_rate.num;
2062 codec->ticks_per_frame = 2;
2063 } else if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2064 && av_q2d(ist->st->time_base) < 1.0/500
2066 codec->time_base = icodec->time_base;
2067 codec->time_base.num *= icodec->ticks_per_frame;
2068 codec->time_base.den *= 2;
2069 codec->ticks_per_frame = 2;
2071 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2072 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2073 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2074 && strcmp(oc->oformat->name, "f4v")
2076 if( copy_tb<0 && icodec->time_base.den
2077 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2078 && av_q2d(ist->st->time_base) < 1.0/500
2080 codec->time_base = icodec->time_base;
2081 codec->time_base.num *= icodec->ticks_per_frame;
2085 if(ost->frame_rate.num)
2086 codec->time_base = av_inv_q(ost->frame_rate);
2088 av_reduce(&codec->time_base.num, &codec->time_base.den,
2089 codec->time_base.num, codec->time_base.den, INT_MAX);
2091 switch (codec->codec_type) {
2092 case AVMEDIA_TYPE_AUDIO:
2093 if (audio_volume != 256) {
2094 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2097 codec->channel_layout = icodec->channel_layout;
2098 codec->sample_rate = icodec->sample_rate;
2099 codec->channels = icodec->channels;
2100 codec->frame_size = icodec->frame_size;
2101 codec->audio_service_type = icodec->audio_service_type;
2102 codec->block_align = icodec->block_align;
2103 if((codec->block_align == 1 || codec->block_align == 1152) && codec->codec_id == AV_CODEC_ID_MP3)
2104 codec->block_align= 0;
2105 if(codec->codec_id == AV_CODEC_ID_AC3)
2106 codec->block_align= 0;
2108 case AVMEDIA_TYPE_VIDEO:
2109 codec->pix_fmt = icodec->pix_fmt;
2110 codec->width = icodec->width;
2111 codec->height = icodec->height;
2112 codec->has_b_frames = icodec->has_b_frames;
2113 if (!codec->sample_aspect_ratio.num) {
2114 codec->sample_aspect_ratio =
2115 ost->st->sample_aspect_ratio =
2116 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2117 ist->st->codec->sample_aspect_ratio.num ?
2118 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2120 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2122 case AVMEDIA_TYPE_SUBTITLE:
2123 codec->width = icodec->width;
2124 codec->height = icodec->height;
2126 case AVMEDIA_TYPE_DATA:
2127 case AVMEDIA_TYPE_ATTACHMENT:
2134 ost->enc = avcodec_find_encoder(codec->codec_id);
2136 /* should only happen when a default codec is not present. */
2137 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2138 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2139 ret = AVERROR(EINVAL);
2144 ist->decoding_needed++;
2145 ost->encoding_needed = 1;
2148 (codec->codec_type == AVMEDIA_TYPE_VIDEO ||
2149 codec->codec_type == AVMEDIA_TYPE_AUDIO)) {
2151 fg = init_simple_filtergraph(ist, ost);
2152 if (configure_filtergraph(fg)) {
2153 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2158 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2159 if (ost->filter && !ost->frame_rate.num)
2160 ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter);
2161 if (ist && !ost->frame_rate.num)
2162 ost->frame_rate = ist->framerate;
2163 if (ist && !ost->frame_rate.num)
2164 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1};
2165 // ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1};
2166 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2167 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2168 ost->frame_rate = ost->enc->supported_framerates[idx];
2172 switch (codec->codec_type) {
2173 case AVMEDIA_TYPE_AUDIO:
2174 codec->sample_fmt = ost->filter->filter->inputs[0]->format;
2175 codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate;
2176 codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout;
2177 codec->channels = av_get_channel_layout_nb_channels(codec->channel_layout);
2178 codec->time_base = (AVRational){ 1, codec->sample_rate };
2180 case AVMEDIA_TYPE_VIDEO:
2181 codec->time_base = av_inv_q(ost->frame_rate);
2182 if (ost->filter && !(codec->time_base.num && codec->time_base.den))
2183 codec->time_base = ost->filter->filter->inputs[0]->time_base;
2184 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2185 && (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2186 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
2187 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
2189 for (j = 0; j < ost->forced_kf_count; j++)
2190 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2194 codec->width = ost->filter->filter->inputs[0]->w;
2195 codec->height = ost->filter->filter->inputs[0]->h;
2196 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
2197 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
2198 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
2199 ost->filter->filter->inputs[0]->sample_aspect_ratio;
2200 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
2203 codec->width != icodec->width ||
2204 codec->height != icodec->height ||
2205 codec->pix_fmt != icodec->pix_fmt) {
2206 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
2209 if (ost->forced_keyframes)
2210 parse_forced_key_frames(ost->forced_keyframes, ost,
2213 case AVMEDIA_TYPE_SUBTITLE:
2214 codec->time_base = (AVRational){1, 1000};
2215 if (!codec->width) {
2216 codec->width = input_streams[ost->source_index]->st->codec->width;
2217 codec->height = input_streams[ost->source_index]->st->codec->height;
2225 if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2226 char logfilename[1024];
2229 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2230 ost->logfile_prefix ? ost->logfile_prefix :
2231 DEFAULT_PASS_LOGFILENAME_PREFIX,
2233 if (!strcmp(ost->enc->name, "libx264")) {
2234 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2236 if (codec->flags & CODEC_FLAG_PASS2) {
2238 size_t logbuffer_size;
2239 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2240 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2244 codec->stats_in = logbuffer;
2246 if (codec->flags & CODEC_FLAG_PASS1) {
2247 f = fopen(logfilename, "wb");
2249 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2250 logfilename, strerror(errno));
2260 /* open each encoder */
2261 for (i = 0; i < nb_output_streams; i++) {
2262 ost = output_streams[i];
2263 if (ost->encoding_needed) {
2264 AVCodec *codec = ost->enc;
2265 AVCodecContext *dec = NULL;
2267 if ((ist = get_input_stream(ost)))
2268 dec = ist->st->codec;
2269 if (dec && dec->subtitle_header) {
2270 /* ASS code assumes this buffer is null terminated so add extra byte. */
2271 ost->st->codec->subtitle_header = av_mallocz(dec->subtitle_header_size + 1);
2272 if (!ost->st->codec->subtitle_header) {
2273 ret = AVERROR(ENOMEM);
2276 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2277 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2279 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2280 av_dict_set(&ost->opts, "threads", "auto", 0);
2281 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2282 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2283 ost->file_index, ost->index);
2284 ret = AVERROR(EINVAL);
2287 if (ost->enc->type == AVMEDIA_TYPE_AUDIO &&
2288 !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE))
2289 av_buffersink_set_frame_size(ost->filter->filter,
2290 ost->st->codec->frame_size);
2291 assert_codec_experimental(ost->st->codec, 1);
2292 assert_avoptions(ost->opts);
2293 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2294 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2295 " It takes bits/s as argument, not kbits/s\n");
2296 extra_size += ost->st->codec->extradata_size;
2298 if (ost->st->codec->me_threshold)
2299 input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
2303 /* init input streams */
2304 for (i = 0; i < nb_input_streams; i++)
2305 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
2308 /* discard unused programs */
2309 for (i = 0; i < nb_input_files; i++) {
2310 InputFile *ifile = input_files[i];
2311 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2312 AVProgram *p = ifile->ctx->programs[j];
2313 int discard = AVDISCARD_ALL;
2315 for (k = 0; k < p->nb_stream_indexes; k++)
2316 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
2317 discard = AVDISCARD_DEFAULT;
2320 p->discard = discard;
2324 /* open files and write file headers */
2325 for (i = 0; i < nb_output_files; i++) {
2326 oc = output_files[i]->ctx;
2327 oc->interrupt_callback = int_cb;
2328 if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) {
2330 const char *errbuf_ptr = errbuf;
2331 if (av_strerror(ret, errbuf, sizeof(errbuf)) < 0)
2332 errbuf_ptr = strerror(AVUNERROR(ret));
2333 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?): %s", i, errbuf_ptr);
2334 ret = AVERROR(EINVAL);
2337 // assert_avoptions(output_files[i]->opts);
2338 if (strcmp(oc->oformat->name, "rtp")) {
2344 /* dump the file output parameters - cannot be done before in case
2346 for (i = 0; i < nb_output_files; i++) {
2347 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
2350 /* dump the stream mapping */
2351 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2352 for (i = 0; i < nb_input_streams; i++) {
2353 ist = input_streams[i];
2355 for (j = 0; j < ist->nb_filters; j++) {
2356 if (ist->filters[j]->graph->graph_desc) {
2357 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
2358 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
2359 ist->filters[j]->name);
2360 if (nb_filtergraphs > 1)
2361 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
2362 av_log(NULL, AV_LOG_INFO, "\n");
2367 for (i = 0; i < nb_output_streams; i++) {
2368 ost = output_streams[i];
2370 if (ost->attachment_filename) {
2371 /* an attached file */
2372 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2373 ost->attachment_filename, ost->file_index, ost->index);
2377 if (ost->filter && ost->filter->graph->graph_desc) {
2378 /* output from a complex graph */
2379 av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
2380 if (nb_filtergraphs > 1)
2381 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
2383 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
2384 ost->index, ost->enc ? ost->enc->name : "?");
2388 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2389 input_streams[ost->source_index]->file_index,
2390 input_streams[ost->source_index]->st->index,
2393 if (ost->sync_ist != input_streams[ost->source_index])
2394 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2395 ost->sync_ist->file_index,
2396 ost->sync_ist->st->index);
2397 if (ost->stream_copy)
2398 av_log(NULL, AV_LOG_INFO, " (copy)");
2400 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
2401 input_streams[ost->source_index]->dec->name : "?",
2402 ost->enc ? ost->enc->name : "?");
2403 av_log(NULL, AV_LOG_INFO, "\n");
2407 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2419 * @return 1 if there are still streams where more output is wanted,
2422 static int need_output(void)
2426 for (i = 0; i < nb_output_streams; i++) {
2427 OutputStream *ost = output_streams[i];
2428 OutputFile *of = output_files[ost->file_index];
2429 AVFormatContext *os = output_files[ost->file_index]->ctx;
2431 if (ost->finished ||
2432 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2434 if (ost->frame_number >= ost->max_frames) {
2436 for (j = 0; j < of->ctx->nb_streams; j++)
2437 close_output_stream(output_streams[of->ost_index + j]);
2448 * Select the output stream to process.
2450 * @return selected output stream, or NULL if none available
2452 static OutputStream *choose_output(void)
2455 int64_t opts_min = INT64_MAX;
2456 OutputStream *ost_min = NULL;
2458 for (i = 0; i < nb_output_streams; i++) {
2459 OutputStream *ost = output_streams[i];
2460 int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base,
2462 if (!ost->unavailable && !ost->finished && opts < opts_min) {
2470 static int check_keyboard_interaction(int64_t cur_time)
2473 static int64_t last_time;
2474 if (received_nb_signals)
2475 return AVERROR_EXIT;
2476 /* read_key() returns 0 on EOF */
2477 if(cur_time - last_time >= 100000 && !run_as_daemon){
2479 last_time = cur_time;
2483 return AVERROR_EXIT;
2484 if (key == '+') av_log_set_level(av_log_get_level()+10);
2485 if (key == '-') av_log_set_level(av_log_get_level()-10);
2486 if (key == 's') qp_hist ^= 1;
2489 do_hex_dump = do_pkt_dump = 0;
2490 } else if(do_pkt_dump){
2494 av_log_set_level(AV_LOG_DEBUG);
2496 if (key == 'c' || key == 'C'){
2497 char buf[4096], target[64], command[256], arg[256] = {0};
2500 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2502 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2507 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2508 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2509 target, time, command, arg);
2510 for (i = 0; i < nb_filtergraphs; i++) {
2511 FilterGraph *fg = filtergraphs[i];
2514 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
2515 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2516 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
2518 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
2523 av_log(NULL, AV_LOG_ERROR,
2524 "Parse error, at least 3 arguments were expected, "
2525 "only %d given in string '%s'\n", n, buf);
2528 if (key == 'd' || key == 'D'){
2531 debug = input_streams[0]->st->codec->debug<<1;
2532 if(!debug) debug = 1;
2533 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2536 if(scanf("%d", &debug)!=1)
2537 fprintf(stderr,"error parsing debug value\n");
2538 for(i=0;i<nb_input_streams;i++) {
2539 input_streams[i]->st->codec->debug = debug;
2541 for(i=0;i<nb_output_streams;i++) {
2542 OutputStream *ost = output_streams[i];
2543 ost->st->codec->debug = debug;
2545 if(debug) av_log_set_level(AV_LOG_DEBUG);
2546 fprintf(stderr,"debug=%d\n", debug);
2549 fprintf(stderr, "key function\n"
2550 "? show this help\n"
2551 "+ increase verbosity\n"
2552 "- decrease verbosity\n"
2553 "c Send command to filtergraph\n"
2554 "D cycle through available debug modes\n"
2555 "h dump packets/hex press to cycle through the 3 states\n"
2557 "s Show QP histogram\n"
2564 static void *input_thread(void *arg)
2569 while (!transcoding_finished && ret >= 0) {
2571 ret = av_read_frame(f->ctx, &pkt);
2573 if (ret == AVERROR(EAGAIN)) {
2580 pthread_mutex_lock(&f->fifo_lock);
2581 while (!av_fifo_space(f->fifo))
2582 pthread_cond_wait(&f->fifo_cond, &f->fifo_lock);
2584 av_dup_packet(&pkt);
2585 av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL);
2587 pthread_mutex_unlock(&f->fifo_lock);
2594 static void free_input_threads(void)
2598 if (nb_input_files == 1)
2601 transcoding_finished = 1;
2603 for (i = 0; i < nb_input_files; i++) {
2604 InputFile *f = input_files[i];
2607 if (!f->fifo || f->joined)
2610 pthread_mutex_lock(&f->fifo_lock);
2611 while (av_fifo_size(f->fifo)) {
2612 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2613 av_free_packet(&pkt);
2615 pthread_cond_signal(&f->fifo_cond);
2616 pthread_mutex_unlock(&f->fifo_lock);
2618 pthread_join(f->thread, NULL);
2621 while (av_fifo_size(f->fifo)) {
2622 av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL);
2623 av_free_packet(&pkt);
2625 av_fifo_free(f->fifo);
2629 static int init_input_threads(void)
2633 if (nb_input_files == 1)
2636 for (i = 0; i < nb_input_files; i++) {
2637 InputFile *f = input_files[i];
2639 if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket))))
2640 return AVERROR(ENOMEM);
2642 pthread_mutex_init(&f->fifo_lock, NULL);
2643 pthread_cond_init (&f->fifo_cond, NULL);
2645 if ((ret = pthread_create(&f->thread, NULL, input_thread, f)))
2646 return AVERROR(ret);
2651 static int get_input_packet_mt(InputFile *f, AVPacket *pkt)
2655 pthread_mutex_lock(&f->fifo_lock);
2657 if (av_fifo_size(f->fifo)) {
2658 av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL);
2659 pthread_cond_signal(&f->fifo_cond);
2664 ret = AVERROR(EAGAIN);
2667 pthread_mutex_unlock(&f->fifo_lock);
2673 static int get_input_packet(InputFile *f, AVPacket *pkt)
2676 if (nb_input_files > 1)
2677 return get_input_packet_mt(f, pkt);
2679 return av_read_frame(f->ctx, pkt);
2682 static int got_eagain(void)
2685 for (i = 0; i < nb_output_streams; i++)
2686 if (output_streams[i]->unavailable)
2691 static void reset_eagain(void)
2694 for (i = 0; i < nb_input_files; i++)
2695 input_files[i]->eagain = 0;
2696 for (i = 0; i < nb_output_streams; i++)
2697 output_streams[i]->unavailable = 0;
2702 * - 0 -- one packet was read and processed
2703 * - AVERROR(EAGAIN) -- no packets were available for selected file,
2704 * this function should be called again
2705 * - AVERROR_EOF -- this function should not be called again
2707 static int process_input(int file_index)
2709 InputFile *ifile = input_files[file_index];
2710 AVFormatContext *is;
2716 ret = get_input_packet(ifile, &pkt);
2718 if (ret == AVERROR(EAGAIN)) {
2723 if (ret != AVERROR_EOF) {
2724 print_error(is->filename, ret);
2728 ifile->eof_reached = 1;
2730 for (i = 0; i < ifile->nb_streams; i++) {
2731 ist = input_streams[ifile->ist_index + i];
2732 if (ist->decoding_needed)
2733 output_packet(ist, NULL);
2735 /* mark all outputs that don't go through lavfi as finished */
2736 for (j = 0; j < nb_output_streams; j++) {
2737 OutputStream *ost = output_streams[j];
2739 if (ost->source_index == ifile->ist_index + i &&
2740 (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE))
2741 close_output_stream(ost);
2745 return AVERROR(EAGAIN);
2751 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2752 is->streams[pkt.stream_index]);
2754 /* the following test is needed in case new streams appear
2755 dynamically in stream : we ignore them */
2756 if (pkt.stream_index >= ifile->nb_streams) {
2757 report_new_stream(file_index, &pkt);
2758 goto discard_packet;
2761 ist = input_streams[ifile->ist_index + pkt.stream_index];
2763 goto discard_packet;
2765 if(!ist->wrap_correction_done && input_files[file_index]->ctx->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){
2766 int64_t stime = av_rescale_q(input_files[file_index]->ctx->start_time, AV_TIME_BASE_Q, ist->st->time_base);
2767 int64_t stime2= stime + (1ULL<<ist->st->pts_wrap_bits);
2768 ist->wrap_correction_done = 1;
2770 if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
2771 pkt.dts -= 1ULL<<ist->st->pts_wrap_bits;
2772 ist->wrap_correction_done = 0;
2774 if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) {
2775 pkt.pts -= 1ULL<<ist->st->pts_wrap_bits;
2776 ist->wrap_correction_done = 0;
2780 if (pkt.dts != AV_NOPTS_VALUE)
2781 pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2782 if (pkt.pts != AV_NOPTS_VALUE)
2783 pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2785 if (pkt.pts != AV_NOPTS_VALUE)
2786 pkt.pts *= ist->ts_scale;
2787 if (pkt.dts != AV_NOPTS_VALUE)
2788 pkt.dts *= ist->ts_scale;
2791 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
2792 "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",
2793 ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type),
2794 av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q),
2795 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q),
2796 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
2797 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
2798 input_files[ist->file_index]->ts_offset);
2801 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE &&
2803 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2804 int64_t delta = pkt_dts - ist->next_dts;
2805 if (is->iformat->flags & AVFMT_TS_DISCONT) {
2806 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
2807 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
2808 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2809 pkt_dts+1<ist->pts){
2810 ifile->ts_offset -= delta;
2811 av_log(NULL, AV_LOG_DEBUG,
2812 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2813 delta, ifile->ts_offset);
2814 pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2815 if (pkt.pts != AV_NOPTS_VALUE)
2816 pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2819 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
2820 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)
2822 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
2823 pkt.dts = AV_NOPTS_VALUE;
2825 if (pkt.pts != AV_NOPTS_VALUE){
2826 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
2827 delta = pkt_pts - ist->next_dts;
2828 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
2829 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)
2831 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
2832 pkt.pts = AV_NOPTS_VALUE;
2838 sub2video_heartbeat(ist, pkt.pts);
2840 ret = output_packet(ist, &pkt);
2843 av_strerror(ret, buf, sizeof(buf));
2844 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n",
2845 ist->file_index, ist->st->index, buf);
2851 av_free_packet(&pkt);
2857 * Perform a step of transcoding for the specified filter graph.
2859 * @param[in] graph filter graph to consider
2860 * @param[out] best_ist input stream where a frame would allow to continue
2861 * @return 0 for success, <0 for error
2863 static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist)
2866 int nb_requests, nb_requests_max = 0;
2867 InputFilter *ifilter;
2871 ret = avfilter_graph_request_oldest(graph->graph);
2873 return reap_filters();
2875 if (ret == AVERROR_EOF) {
2876 ret = reap_filters();
2877 for (i = 0; i < graph->nb_outputs; i++)
2878 close_output_stream(graph->outputs[i]->ost);
2881 if (ret != AVERROR(EAGAIN))
2884 for (i = 0; i < graph->nb_inputs; i++) {
2885 ifilter = graph->inputs[i];
2887 if (input_files[ist->file_index]->eagain ||
2888 input_files[ist->file_index]->eof_reached)
2890 nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter);
2891 if (nb_requests > nb_requests_max) {
2892 nb_requests_max = nb_requests;
2898 for (i = 0; i < graph->nb_outputs; i++)
2899 graph->outputs[i]->ost->unavailable = 1;
2905 * Run a single step of transcoding.
2907 * @return 0 for success, <0 for error
2909 static int transcode_step(void)
2915 ost = choose_output();
2922 av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n");
2927 if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0)
2932 av_assert0(ost->source_index >= 0);
2933 ist = input_streams[ost->source_index];
2936 ret = process_input(ist->file_index);
2937 if (ret == AVERROR(EAGAIN)) {
2938 if (input_files[ist->file_index]->eagain)
2939 ost->unavailable = 1;
2943 return ret == AVERROR_EOF ? 0 : ret;
2945 return reap_filters();
2949 * The following code is the main loop of the file converter
2951 static int transcode(void)
2954 AVFormatContext *os;
2957 int64_t timer_start;
2959 ret = transcode_init();
2963 if (stdin_interaction) {
2964 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
2967 timer_start = av_gettime();
2970 if ((ret = init_input_threads()) < 0)
2974 while (!received_sigterm) {
2975 int64_t cur_time= av_gettime();
2977 /* if 'q' pressed, exits */
2978 if (stdin_interaction)
2979 if (check_keyboard_interaction(cur_time) < 0)
2982 /* check if there's any stream where output is still needed */
2983 if (!need_output()) {
2984 av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n");
2988 ret = transcode_step();
2990 if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN))
2993 av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n");
2997 /* dump report by using the output first video and audio streams */
2998 print_report(0, timer_start, cur_time);
3001 free_input_threads();
3004 /* at the end of stream, we must flush the decoder buffers */
3005 for (i = 0; i < nb_input_streams; i++) {
3006 ist = input_streams[i];
3007 if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) {
3008 output_packet(ist, NULL);
3015 /* write the trailer if needed and close file */
3016 for (i = 0; i < nb_output_files; i++) {
3017 os = output_files[i]->ctx;
3018 av_write_trailer(os);
3021 /* dump report by using the first video and audio streams */
3022 print_report(1, timer_start, av_gettime());
3024 /* close each encoder */
3025 for (i = 0; i < nb_output_streams; i++) {
3026 ost = output_streams[i];
3027 if (ost->encoding_needed) {
3028 av_freep(&ost->st->codec->stats_in);
3029 avcodec_close(ost->st->codec);
3033 /* close each decoder */
3034 for (i = 0; i < nb_input_streams; i++) {
3035 ist = input_streams[i];
3036 if (ist->decoding_needed) {
3037 avcodec_close(ist->st->codec);
3046 free_input_threads();
3049 if (output_streams) {
3050 for (i = 0; i < nb_output_streams; i++) {
3051 ost = output_streams[i];
3053 if (ost->stream_copy)
3054 av_freep(&ost->st->codec->extradata);
3056 fclose(ost->logfile);
3057 ost->logfile = NULL;
3059 av_freep(&ost->st->codec->subtitle_header);
3060 av_free(ost->forced_kf_pts);
3061 av_dict_free(&ost->opts);
3069 static int64_t getutime(void)
3072 struct rusage rusage;
3074 getrusage(RUSAGE_SELF, &rusage);
3075 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3076 #elif HAVE_GETPROCESSTIMES
3078 FILETIME c, e, k, u;
3079 proc = GetCurrentProcess();
3080 GetProcessTimes(proc, &c, &e, &k, &u);
3081 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3083 return av_gettime();
3087 static int64_t getmaxrss(void)
3089 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3090 struct rusage rusage;
3091 getrusage(RUSAGE_SELF, &rusage);
3092 return (int64_t)rusage.ru_maxrss * 1024;
3093 #elif HAVE_GETPROCESSMEMORYINFO
3095 PROCESS_MEMORY_COUNTERS memcounters;
3096 proc = GetCurrentProcess();
3097 memcounters.cb = sizeof(memcounters);
3098 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3099 return memcounters.PeakPagefileUsage;
3105 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
3109 static void parse_cpuflags(int argc, char **argv, const OptionDef *options)
3111 int idx = locate_option(argc, argv, options, "cpuflags");
3112 if (idx && argv[idx + 1])
3113 opt_cpuflags(NULL, "cpuflags", argv[idx + 1]);
3116 int main(int argc, char **argv)
3118 OptionsContext o = { 0 };
3121 reset_options(&o, 0);
3123 setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
3125 av_log_set_flags(AV_LOG_SKIP_REPEATED);
3126 parse_loglevel(argc, argv, options);
3128 if(argc>1 && !strcmp(argv[1], "-d")){
3130 av_log_set_callback(log_callback_null);
3135 avcodec_register_all();
3137 avdevice_register_all();
3139 avfilter_register_all();
3141 avformat_network_init();
3143 show_banner(argc, argv, options);
3147 parse_cpuflags(argc, argv, options);
3150 parse_options(&o, argc, argv, options, opt_output_file);
3152 if (nb_output_files <= 0 && nb_input_files == 0) {
3154 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
3158 /* file converter / grab */
3159 if (nb_output_files <= 0) {
3160 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
3164 // if (nb_input_files == 0) {
3165 // av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
3169 current_time = ti = getutime();
3170 if (transcode() < 0)
3172 ti = getutime() - ti;
3174 int maxrss = getmaxrss() / 1024;
3175 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);