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audio: add Resample (#2212)

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Closes #2055
This commit is contained in:
Vseslav Kochenov 2022-07-23 12:32:22 +03:00 committed by GitHub
parent 017ad69e93
commit 00b530bfcc
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1 changed files with 11 additions and 0 deletions
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11
audio/audio.go
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@ -40,6 +40,7 @@ import (
"sync" "sync"
"time" "time"
"github.com/hajimehoshi/ebiten/v2/audio/internal/convert"
"github.com/hajimehoshi/ebiten/v2/internal/hooks" "github.com/hajimehoshi/ebiten/v2/internal/hooks"
) )
@ -435,3 +436,13 @@ func (h *hookImpl) OnResumeAudio(f func() error) {
func (h *hookImpl) AppendHookOnBeforeUpdate(f func() error) { func (h *hookImpl) AppendHookOnBeforeUpdate(f func() error) {
hooks.AppendHookOnBeforeUpdate(f) hooks.AppendHookOnBeforeUpdate(f)
} }
// Resample explicitly resamples a stream to fit a new sample rate.
//
// If original sample rate matches 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
}
return convert.NewResampling(source, size, from, to)
}