mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-18 03:19:31 +02:00
43382b5f13
Patch by Anton Khirnov (wyskas, do no evil mail) Thread "[PATCH] nut metadata conversion table" Originally committed as revision 22015 to svn://svn.ffmpeg.org/ffmpeg/trunk
95 lines
3.1 KiB
C
95 lines
3.1 KiB
C
/*
|
|
* nut
|
|
* Copyright (c) 2004-2007 Michael Niedermayer
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "libavutil/tree.h"
|
|
#include "nut.h"
|
|
|
|
const AVCodecTag ff_nut_subtitle_tags[] = {
|
|
{ CODEC_ID_TEXT , MKTAG('U', 'T', 'F', '8') },
|
|
{ CODEC_ID_SSA , MKTAG('S', 'S', 'A', 0 ) },
|
|
{ CODEC_ID_DVD_SUBTITLE, MKTAG('D', 'V', 'D', 'S') },
|
|
{ CODEC_ID_DVB_SUBTITLE, MKTAG('D', 'V', 'B', 'S') },
|
|
{ CODEC_ID_NONE , 0 }
|
|
};
|
|
|
|
void ff_nut_reset_ts(NUTContext *nut, AVRational time_base, int64_t val){
|
|
int i;
|
|
for(i=0; i<nut->avf->nb_streams; i++){
|
|
nut->stream[i].last_pts= av_rescale_rnd(
|
|
val,
|
|
time_base.num * (int64_t)nut->stream[i].time_base->den,
|
|
time_base.den * (int64_t)nut->stream[i].time_base->num,
|
|
AV_ROUND_DOWN);
|
|
}
|
|
}
|
|
|
|
int64_t ff_lsb2full(StreamContext *stream, int64_t lsb){
|
|
int64_t mask = (1<<stream->msb_pts_shift)-1;
|
|
int64_t delta= stream->last_pts - mask/2;
|
|
return ((lsb - delta)&mask) + delta;
|
|
}
|
|
|
|
int ff_nut_sp_pos_cmp(Syncpoint *a, Syncpoint *b){
|
|
return ((a->pos - b->pos) >> 32) - ((b->pos - a->pos) >> 32);
|
|
}
|
|
|
|
int ff_nut_sp_pts_cmp(Syncpoint *a, Syncpoint *b){
|
|
return ((a->ts - b->ts) >> 32) - ((b->ts - a->ts) >> 32);
|
|
}
|
|
|
|
void ff_nut_add_sp(NUTContext *nut, int64_t pos, int64_t back_ptr, int64_t ts){
|
|
Syncpoint *sp= av_mallocz(sizeof(Syncpoint));
|
|
struct AVTreeNode *node= av_mallocz(av_tree_node_size);
|
|
|
|
sp->pos= pos;
|
|
sp->back_ptr= back_ptr;
|
|
sp->ts= ts;
|
|
av_tree_insert(&nut->syncpoints, sp, ff_nut_sp_pos_cmp, &node);
|
|
if(node){
|
|
av_free(sp);
|
|
av_free(node);
|
|
}
|
|
}
|
|
|
|
const Dispositions ff_nut_dispositions[] = {
|
|
{"default" , AV_DISPOSITION_DEFAULT},
|
|
{"dub" , AV_DISPOSITION_DUB},
|
|
{"original" , AV_DISPOSITION_ORIGINAL},
|
|
{"comment" , AV_DISPOSITION_COMMENT},
|
|
{"lyrics" , AV_DISPOSITION_LYRICS},
|
|
{"karaoke" , AV_DISPOSITION_KARAOKE},
|
|
{"" , 0}
|
|
};
|
|
|
|
const AVMetadataConv ff_nut_metadata_conv[] = {
|
|
{ "Author", "artist" },
|
|
{ "X-CreationTime", "date" },
|
|
{ "CreationTime", "date" },
|
|
{ "SourceFilename", "filename" },
|
|
{ "X-Language", "language" },
|
|
{ "X-Disposition", "disposition" },
|
|
{ "X-Replaces", "replaces" },
|
|
{ "X-Depends", "depends" },
|
|
{ "X-Uses", "uses" },
|
|
{ "X-UsesFont", "usesfont" },
|
|
{ 0 },
|
|
};
|