Always consider the mov language code as 4 bytes fixed size and change the

function declaration to reflect this.

Originally committed as revision 21558 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2010-01-30 21:54:06 +00:00
parent 832ec42858
commit 1c90d2985d
2 changed files with 5 additions and 4 deletions

View File

@ -266,7 +266,7 @@ static const char * const mov_mdhd_language_map[] = {
"cat", "lat", "que", "grn", "aym", "tat", "uig", "dzo", "jav"
};
int ff_mov_iso639_to_lang(const char *lang, int mp4)
int ff_mov_iso639_to_lang(const char lang[4], int mp4)
{
int i, code = 0;
@ -293,9 +293,10 @@ int ff_mov_iso639_to_lang(const char *lang, int mp4)
return code;
}
int ff_mov_lang_to_iso639(unsigned code, char *to)
int ff_mov_lang_to_iso639(unsigned code, char to[4])
{
int i;
memset(to, 0, 4);
/* is it the mangled iso code? */
/* see http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt */
if (code > 138) {

View File

@ -34,8 +34,8 @@ extern const AVCodecTag codec_movvideo_tags[];
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(unsigned code, char *to);
int ff_mov_iso639_to_lang(const char lang[4], int mp4);
int ff_mov_lang_to_iso639(unsigned code, char to[4]);
/* the QuickTime file format is quite convoluted...
* it has lots of index tables, each indexing something in another one...