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audio: add more explanations to Resample

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Hajime Hoshi 2022-07-23 18:35:53 +09:00
parent 2c053cce30
commit 20082b3879
1 changed files with 5 additions and 2 deletions
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7
audio/audio.go
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@ -437,9 +437,12 @@ func (h *hookImpl) AppendHookOnBeforeUpdate(f func() error) {
hooks.AppendHookOnBeforeUpdate(f)
}
// Resample explicitly resamples a stream to fit a new sample rate.
// Resample converts the sample rate of the given stream.
// size is the length of the source stream in bytes.
// from is the original sample rate.
// to is the target sample rate.
//
// If original sample rate matches the new one, Resample returns source as it is.
// If the original sample rate equals to the new one, Resample returns source as it is.
func Resample(source io.ReadSeeker, size int64, from, to int) io.ReadSeeker {
if from == to {
return source