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audio: More often reading (decoding) audio source to reduce noise

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This commit is contained in:
Hajime Hoshi 2017-12-24 00:58:14 +09:00
parent 7ce87a6c82
commit 18c6890d96
1 changed files with 4 additions and 6 deletions
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10
audio/audio.go
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@ -488,8 +488,8 @@ func (p *Player) readLoop() {
break break
} }
// Try to read the buffer for 1/15[s]. // Try to read the buffer for 1/60[s].
l := p.sampleRate * bytesPerSample * channelNum / 15 l := p.sampleRate * bytesPerSample * channelNum / 60
l &= mask l &= mask
buf := make([]byte, l) buf := make([]byte, l)
n, err := p.src.Read(buf) n, err := p.src.Read(buf)
@ -507,7 +507,7 @@ func (p *Player) readLoop() {
t = nil t = nil
break break
} }
t = time.After(10 * time.Millisecond) t = time.After(time.Millisecond)
case buf := <-p.proceedCh: case buf := <-p.proceedCh:
if readErr != nil { if readErr != nil {
@ -518,9 +518,7 @@ func (p *Player) readLoop() {
lengthInBytes := len(buf) * 2 lengthInBytes := len(buf) * 2
l := lengthInBytes l := lengthInBytes
// Buffer size needs to be much more than the actual required length if len(p.buf) < lengthInBytes && !p.srcEOF {
// so that noise caused by empty buffer can be avoided.
if len(p.buf) < lengthInBytes*8 && !p.srcEOF {
p.proceededCh <- proceededValues{buf, nil} p.proceededCh <- proceededValues{buf, nil}
break break
} }