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Remove pool from the audio stretcher

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This commit is contained in:
Sergey Stepanov 2024-12-05 13:50:39 +03:00
parent 297ec9005c
commit d77d69a331
1 changed files with 2 additions and 3 deletions
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5
pkg/worker/media/media.go
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@ -32,7 +32,7 @@ type (
var (
encoderOnce = sync.Once{}
opusCoder *opus.Encoder
audioPool = sync.Pool{New: func() any { b := make([]int16, sampleBufLen); return &b }}
buf = make([]int16, sampleBufLen)
)
func newBuffer(srcLen int) buffer { return buffer{s: make(samples, srcLen)} }
@ -86,7 +86,7 @@ func frame(hz int, frame int) int { return hz * frame / 1000 * 2 }
// stretch does a simple stretching of audio samples.
// something like: [1,2,3,4,5,6] -> [1,2,x,x,3,4,x,x,5,6,x,x] -> [1,2,1,2,3,4,3,4,5,6,5,6]
func (s samples) stretch(size int) []int16 {
out := (*audioPool.Get().(*[]int16))[:size]
out := buf[:size]
n := len(s)
ratio := float32(size) / float32(n)
sPtr := unsafe.Pointer(&s[0])
@ -181,7 +181,6 @@ func (wmp *WebrtcMediaPipe) initAudio(srcHz int, frameSize int) error {
func (wmp *WebrtcMediaPipe) encodeAudio(pcm samples) {
data, err := wmp.Audio().Encode(pcm)
audioPool.Put((*[]int16)(&pcm))
if err != nil {
wmp.log.Error().Err(err).Msgf("opus encode fail")
return