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id3v2: strdup the genre name explicitly.

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It would have been done anyway in the av_dict_set() call.

This simplifies the code and avoid a warning because of assigning a
const string from ff_id3v1_genre_str to a non-const variable.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Clément Bœsch 2012-05-12 22:39:30 +02:00 committed by Anton Khirnov
parent ffdd2e9144
commit 049ce4facb
1 changed files with 4 additions and 7 deletions
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11
libavformat/id3v2.c
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@ -262,7 +262,7 @@ static int decode_str(AVFormatContext *s, AVIOContext *pb, int encoding,
static void read_ttag(AVFormatContext *s, AVIOContext *pb, int taglen, const char *key) static void read_ttag(AVFormatContext *s, AVIOContext *pb, int taglen, const char *key)
{ {
uint8_t *dst; 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; unsigned genre;
if (taglen < 1) if (taglen < 1)
@ -280,7 +280,7 @@ static void read_ttag(AVFormatContext *s, AVIOContext *pb, int taglen, const cha
&& (sscanf(dst, "(%d)", &genre) == 1 || sscanf(dst, "%d", &genre) == 1) && (sscanf(dst, "(%d)", &genre) == 1 || sscanf(dst, "%d", &genre) == 1)
&& genre <= ID3v1_GENRE_MAX) { && genre <= ID3v1_GENRE_MAX) {
av_freep(&dst); 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"))) { } else if (!(strcmp(key, "TXXX") && strcmp(key, "TXX"))) {
/* dst now contains the key, need to get value */ /* dst now contains the key, need to get value */
key = dst; key = dst;
@ -289,11 +289,8 @@ static void read_ttag(AVFormatContext *s, AVIOContext *pb, int taglen, const cha
av_freep(&key); av_freep(&key);
return; return;
} }
dict_flags |= AV_DICT_DONT_STRDUP_VAL | AV_DICT_DONT_STRDUP_KEY; dict_flags |= AV_DICT_DONT_STRDUP_KEY;
} } else if (!*dst)
else if (*dst)
dict_flags |= AV_DICT_DONT_STRDUP_VAL;
else
av_freep(&dst); av_freep(&dst);
if (dst) if (dst)