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Code Issues Releases Activity

'code' is used to index a table so make it unsigned

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this prevents using negative index and possibly crashing with broken files

Originally committed as revision 16714 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2009-01-21 22:32:17 +00:00
parent 448887a6bb
commit dce25564cc
3 changed files with 3 additions and 3 deletions
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2
libavformat/isom.c
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@ -274,7 +274,7 @@ int ff_mov_iso639_to_lang(const char *lang, int mp4)
return code;
}
int ff_mov_lang_to_iso639(int code, char *to)
int ff_mov_lang_to_iso639(unsigned code, char *to)
{
int i;
/* is it the mangled iso code? */

2
libavformat/isom.h
View File

@ -33,7 +33,7 @@ extern const AVCodecTag codec_movaudio_tags[];
extern const AVCodecTag ff_codec_movsubtitle_tags[];
int ff_mov_iso639_to_lang(const char *lang, int mp4);
int ff_mov_lang_to_iso639(int code, char *to);
int ff_mov_lang_to_iso639(unsigned code, char *to);
typedef struct {
int count;

2
libavformat/mov.c
View File

@ -494,7 +494,7 @@ static int mov_read_mdhd(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
AVStream *st = c->fc->streams[c->fc->nb_streams-1];
MOVStreamContext *sc = st->priv_data;
int version = get_byte(pb);
int lang;
unsigned lang;
if (version > 1)
return -1; /* unsupported */