forked from KolibriOS/kolibrios
71 lines
2.5 KiB
C
71 lines
2.5 KiB
C
|
/*
|
||
|
|
* copyright (c) 2009 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 "avformat.h"
|
||
|
|
#include "metadata.h"
|
||
|
|
#include "libavutil/dict.h"
|
||
|
|
#include "libavutil/avstring.h"
|
||
|
|
|
||
|
|
void ff_metadata_conv(AVDictionary **pm, const AVMetadataConv *d_conv,
|
||
|
|
const AVMetadataConv *s_conv)
|
||
|
|
{
|
||
|
|
/* TODO: use binary search to look up the two conversion tables
|
||
|
|
if the tables are getting big enough that it would matter speed wise */
|
||
|
|
const AVMetadataConv *sc, *dc;
|
||
|
|
AVDictionaryEntry *mtag = NULL;
|
||
|
|
AVDictionary *dst = NULL;
|
||
|
|
const char *key;
|
||
|
|
|
||
|
|
if (d_conv == s_conv || !pm)
|
||
|
|
return;
|
||
|
|
|
||
|
|
while ((mtag = av_dict_get(*pm, "", mtag, AV_DICT_IGNORE_SUFFIX))) {
|
||
|
|
key = mtag->key;
|
||
|
|
if (s_conv)
|
||
|
|
for (sc=s_conv; sc->native; sc++)
|
||
|
|
if (!av_strcasecmp(key, sc->native)) {
|
||
|
|
key = sc->generic;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if (d_conv)
|
||
|
|
for (dc=d_conv; dc->native; dc++)
|
||
|
|
if (!av_strcasecmp(key, dc->generic)) {
|
||
|
|
key = dc->native;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
av_dict_set(&dst, key, mtag->value, 0);
|
||
|
|
}
|
||
|
|
av_dict_free(pm);
|
||
|
|
*pm = dst;
|
||
|
|
}
|
||
|
|
|
||
|
|
void ff_metadata_conv_ctx(AVFormatContext *ctx, const AVMetadataConv *d_conv,
|
||
|
|
const AVMetadataConv *s_conv)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
ff_metadata_conv(&ctx->metadata, d_conv, s_conv);
|
||
|
|
for (i=0; i<ctx->nb_streams ; i++)
|
||
|
|
ff_metadata_conv(&ctx->streams [i]->metadata, d_conv, s_conv);
|
||
|
|
for (i=0; i<ctx->nb_chapters; i++)
|
||
|
|
ff_metadata_conv(&ctx->chapters[i]->metadata, d_conv, s_conv);
|
||
|
|
for (i=0; i<ctx->nb_programs; i++)
|
||
|
|
ff_metadata_conv(&ctx->programs[i]->metadata, d_conv, s_conv);
|
||
|
|
}
|