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avformat/aiffenc: Simplify padding tag

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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2024-03-14 01:31:06 +01:00
parent f088b28950
commit 0230792bc8
1 changed files with 6 additions and 4 deletions
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10
libavformat/aiffenc.c
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@@ -87,13 +87,15 @@ static void put_meta(AVFormatContext *s, const char *key, uint32_t id)
AVIOContext *pb = s->pb; AVIOContext *pb = s->pb;
if (tag = av_dict_get(s->metadata, key, NULL, 0)) { if (tag = av_dict_get(s->metadata, key, NULL, 0)) {
int size = strlen(tag->value); size_t size = strlen(tag->value);
// AIFF tags are zero-padded to an even length.
// So simply copy the terminating \0 if the length is odd.
size = FFALIGN(size, 2);
avio_wl32(pb, id); avio_wl32(pb, id);
avio_wb32(pb, FFALIGN(size, 2)); avio_wb32(pb, size);
avio_write(pb, tag->value, size); avio_write(pb, tag->value, size);
if (size & 1)
avio_w8(pb, 0);
} }
} }