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audio: Bug fix: total num of buffers should be 8 for each source

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This commit is contained in:
Hajime Hoshi 2016-02-13 00:45:48 +09:00
parent 49751eb954
commit 3638ac6ad8
1 changed files with 7 additions and 4 deletions
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11
exp/audio/audio_openal.go
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@ -131,16 +131,19 @@ func (p *player) proceed() error {
func (p *player) play() error {
const bufferMaxNum = 8
// TODO: What if play is already called?
emptyBytes := make([]byte, bufferSize)
m.Lock()
n := bufferMaxNum - int(p.alSource.BuffersQueued())
n := bufferMaxNum - int(p.alSource.BuffersQueued()) - len(p.alBuffers)
if 0 < n {
bufs := al.GenBuffers(n)
for _, buf := range bufs {
p.alBuffers = append(p.alBuffers, al.GenBuffers(n)...)
}
if 0 < len(p.alBuffers) {
emptyBytes := make([]byte, bufferSize)
for _, buf := range p.alBuffers {
// Note that the third argument of only the first buffer is used.
buf.BufferData(al.FormatStereo16, emptyBytes, int32(p.sampleRate))
p.alSource.QueueBuffers(buf)
}
p.alBuffers = []al.Buffer{}
}
al.PlaySources(p.alSource)
m.Unlock()