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return -1 for errors in ff_mov_iso639_to_lang() to allow for error checking

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Originally committed as revision 17611 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2009-02-26 13:11:18 +00:00
parent b97fb809b8
commit 2904fd398f
2 changed files with 5 additions and 3 deletions
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6
libavformat/isom.c
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@ -257,7 +257,7 @@ int ff_mov_iso639_to_lang(const char *lang, int mp4)
}
/* XXX:can we do that in mov too? */
if (!mp4)
return 0;
return -1;
/* handle undefined as such */
if (lang[0] == '\0')
lang = "und";
@ -265,9 +265,9 @@ int ff_mov_iso639_to_lang(const char *lang, int mp4)
for (i = 0; i < 3; i++) {
unsigned char c = (unsigned char)lang[i];
if (c < 0x60)
return 0;
return -1;
if (c > 0x60 + 0x1f)
return 0;
return -1;
code <<= 5;
code |= (c - 0x60);
}

2
libavformat/movenc.c
View File

@ -1651,6 +1651,8 @@ static int mov_write_header(AVFormatContext *s)
track->enc = st->codec;
track->language = ff_mov_iso639_to_lang(lang?lang->value:"und", mov->mode!=MODE_MOV);
if (track->language < 0)
track->language = 0;
track->mode = mov->mode;
track->tag = mov_find_codec_tag(s, track);
if (!track->tag) {