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audio: Reduce 'make' for performance (#183)
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8b8eb855a7
commit
f07702746c
@ -29,6 +29,7 @@ const (
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maxBufferNum = 8
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)
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// TODO: This should be in player
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var totalBufferNum = 0
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type player struct {
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@ -60,7 +61,14 @@ func startPlaying(src io.Reader, sampleRate int) (*player, error) {
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return p, nil
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}
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const bufferSize = 1024
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const (
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bufferSize = 1024
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)
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var (
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tmpBuffer = make([]byte, bufferSize)
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tmpAlBuffers = make([]al.Buffer, maxBufferNum)
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)
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func (p *player) proceed() error {
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if err := al.Error(); err != 0 {
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@ -68,7 +76,7 @@ func (p *player) proceed() error {
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}
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processedNum := p.alSource.BuffersProcessed()
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if 0 < processedNum {
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bufs := make([]al.Buffer, processedNum)
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bufs := tmpAlBuffers[:processedNum]
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p.alSource.UnqueueBuffers(bufs...)
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if err := al.Error(); err != 0 {
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panic(fmt.Sprintf("audio: Unqueue in process: %d", err))
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@ -77,12 +85,11 @@ func (p *player) proceed() error {
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}
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for 0 < len(p.alBuffers) {
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b := make([]byte, bufferSize)
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n, err := p.source.Read(b)
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n, err := p.source.Read(tmpBuffer)
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if 0 < n {
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buf := p.alBuffers[0]
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p.alBuffers = p.alBuffers[1:]
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buf.BufferData(al.FormatStereo16, b[:n], int32(p.sampleRate))
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buf.BufferData(al.FormatStereo16, tmpBuffer[:n], int32(p.sampleRate))
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p.alSource.QueueBuffers(buf)
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if err := al.Error(); err != 0 {
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panic(fmt.Sprintf("audio: Queue in process: %d", err))
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