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audio: Bug fix: Fix Seek: wav file can have a tail

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This commit is contained in:
Hajime Hoshi 2017-01-15 01:30:28 +09:00
parent f78f4002fa
commit ee3da352db
1 changed files with 5 additions and 0 deletions
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5
audio/wav/decode.go
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@ -57,6 +57,11 @@ func (s *Stream) Seek(offset int64, whence int) (int64, error) {
return 0, fmt.Errorf("wav: invalid offset") return 0, fmt.Errorf("wav: invalid offset")
} }
s.remaining = s.dataSize - (n - s.headerSize) s.remaining = s.dataSize - (n - s.headerSize)
// There could be a tail in wav file.
if s.remaining < 0 {
s.remaining = 0
return s.dataSize, nil
}
return n - s.headerSize, nil return n - s.headerSize, nil
} }