lavf/id3v2: always strdup the value.

This simplifies the code but also fix a warning: ff_id3v1_genre_str
array contains const strings so do the string dup now instead of in
av_dict_set().
This commit is contained in:
Clément Bœsch 2012-05-12 22:39:30 +02:00
parent 6ad974ae1c
commit e5fcf3646a

View File

@ -272,7 +272,7 @@ static int decode_str(AVFormatContext *s, AVIOContext *pb, int encoding,
static void read_ttag(AVFormatContext *s, AVIOContext *pb, int taglen, const char *key)
{
uint8_t *dst;
int encoding, dict_flags = AV_DICT_DONT_OVERWRITE;
int encoding, dict_flags = AV_DICT_DONT_OVERWRITE | AV_DICT_DONT_STRDUP_VAL;
unsigned genre;
if (taglen < 1)
@ -290,7 +290,7 @@ static void read_ttag(AVFormatContext *s, AVIOContext *pb, int taglen, const cha
&& (sscanf(dst, "(%d)", &genre) == 1 || sscanf(dst, "%d", &genre) == 1)
&& genre <= ID3v1_GENRE_MAX) {
av_freep(&dst);
dst = ff_id3v1_genre_str[genre];
dst = av_strdup(ff_id3v1_genre_str[genre]);
} else if (!(strcmp(key, "TXXX") && strcmp(key, "TXX"))) {
/* dst now contains the key, need to get value */
key = dst;
@ -299,11 +299,8 @@ static void read_ttag(AVFormatContext *s, AVIOContext *pb, int taglen, const cha
av_freep(&key);
return;
}
dict_flags |= AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_STRDUP_KEY;
}
else if (*dst)
dict_flags |= AV_DICT_DONT_STRDUP_VAL;
else
dict_flags |= AV_DICT_DONT_STRDUP_KEY;
} else if (!*dst)
av_freep(&dst);
if (dst)