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audio: Use golang.org/x/mobile/exp/audio/al

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This commit is contained in:
Hajime Hoshi 2016-02-07 23:37:16 +09:00
parent 9ec37fbf19
commit 0b62a9af74
1 changed files with 14 additions and 22 deletions
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36
internal/audio/audio_openal.go
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@ -17,13 +17,12 @@
package audio
import (
"fmt"
"log"
"runtime"
"sync"
"time"
"github.com/timshannon/go-openal/openal"
"golang.org/x/mobile/exp/audio/al"
)
var channelsMutex = sync.Mutex{}
@ -40,11 +39,7 @@ func initialize() {
go func() {
runtime.LockOSThread()
device := openal.OpenDevice("")
context := device.CreateContext()
context.Activate()
if err := openal.Err(); err != nil {
if err := al.OpenDevice(); err != nil {
log.Printf("OpenAL initialize error: %v", err)
close(ch)
// Graceful ending: Audio is not available on Travis CI.
@ -52,7 +47,7 @@ func initialize() {
}
audioEnabled = true
sources := openal.NewSources(MaxChannel)
sources := al.GenSources(MaxChannel)
close(ch)
const bufferSize = 2048
@ -62,15 +57,12 @@ func initialize() {
// 3 is the least number?
// http://stackoverflow.com/questions/14932004/play-sound-with-openalstream
const bufferNum = 4
buffers := openal.NewBuffers(bufferNum)
buffers := al.GenBuffers(bufferNum)
for _, buffer := range buffers {
buffer.SetData(openal.FormatStereo16, emptyBytes, SampleRate)
source.QueueBuffer(buffer)
}
source.Play()
if err := openal.Err(); err != nil {
panic(fmt.Sprintf("OpenAL error: %v", err))
buffer.BufferData(al.FormatStereo16, emptyBytes, SampleRate)
source.QueueBuffers(buffer)
}
al.PlaySources(source)
}
for {
@ -82,17 +74,17 @@ func initialize() {
}
oneProcessed = true
buffers := make([]openal.Buffer, processed)
source.UnqueueBuffers(buffers)
buffers := make([]al.Buffer, processed)
source.UnqueueBuffers(buffers...)
for _, buffer := range buffers {
b := make([]byte, bufferSize)
copy(b, loadChannelBuffer(ch, bufferSize))
buffer.SetData(openal.FormatStereo16, b, SampleRate)
source.QueueBuffer(buffer)
buffer.BufferData(al.FormatStereo16, b, SampleRate)
source.QueueBuffers(buffer)
}
if source.State() == openal.Stopped {
source.Rewind()
source.Play()
if source.State() == al.Stopped {
al.RewindSources(source)
al.PlaySources(source)
}
}
if !oneProcessed {