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libavf/avienc: store language metadata for XSUB streams

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Formatted in such a way that DivX certified players can decode it.
Verified on Sony Playstation 3 and Philips DVP3380.

Fixes ticket 2385

Signed-off-by: Erik Olofsson <eaj.olofsson@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Erik Olofsson 2013-11-09 20:26:00 +01:00 committed by Michael Niedermayer
parent f591ba60ff
commit f5bffd3a1a
1 changed files with 12 additions and 0 deletions
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12
libavformat/avienc.c
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@ -26,6 +26,8 @@
#include "avi.h"
#include "avio_internal.h"
#include "riff.h"
#include "libavformat/avlanguage.h"
#include "libavutil/avstring.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/dict.h"
#include "libavutil/avassert.h"
@ -309,6 +311,16 @@ static int avi_write_header(AVFormatContext *s)
ff_riff_write_info_tag(s->pb, "strn", t->value);
t = NULL;
}
if(stream->codec_id == AV_CODEC_ID_XSUB
&& (t = av_dict_get(s->streams[i]->metadata, "language", NULL, 0))) {
const char* langstr = av_convert_lang_to(t->value, AV_LANG_ISO639_1);
t = NULL;
if (langstr) {
char* str = av_asprintf("Subtitle - %s-xx;02", langstr);
ff_riff_write_info_tag(s->pb, "strn", str);
av_free(str);
}
}
}
if (pb->seekable) {