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av: AudioFrame split range check

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nareix 2016-08-16 15:33:22 +08:00
parent 0d5a2fa0f0
commit 37be18afca
1 changed files with 3 additions and 0 deletions
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3
av/av.go
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@ -264,6 +264,9 @@ func (self AudioFrame) HasSameFormat(other AudioFrame) bool {
// Split sample audio sample from this frame.
func (self AudioFrame) Slice(start int, end int) (out AudioFrame) {
if start > end {
panic(fmt.Sprintf("av: AudioFrame split failed start=%d end=%d invalid", start, end))
}
out = self
out.Data = append([][]byte(nil), out.Data...)
out.SampleCount = end - start