forked from timshannon/go-openal
/
source.go
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/
source.go
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// Copyright 2009 Peter H. Froehlich. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package openal
/*
#include <stdlib.h>
#cgo darwin LDFLAGS: -framework OpenAL
#include "local.h"
#include "wrapper.h"
*/
import "C"
import "unsafe"
// Results from Source.State() query.
const (
Initial = 0x1011
Playing = 0x1012
Paused = 0x1013
Stopped = 0x1014
)
// Results from Source.Type() query.
const (
Static = 0x1028
Streaming = 0x1029
Undetermined = 0x1030
)
// TODO: Source properties.
// Regardless of what your al.h header may claim, Pitch
// only applies to Sources, not to Listeners. And I got
// that from Chris Robinson himself.
const (
AlSourceRelative = 0x202
AlConeInnerAngle = 0x1001
AlConeOuterAngle = 0x1002
AlPitch = 0x1003
AlDirection = 0x1005
AlLooping = 0x1007
AlBuffer = 0x1009
AlMinGain = 0x100D
AlMaxGain = 0x100E
AlReferenceDistance = 0x1020
AlRolloffFactor = 0x1021
AlConeOuterGain = 0x1022
AlMaxDistance = 0x1023
AlSecOffset = 0x1024
AlSampleOffset = 0x1025
AlByteOffset = 0x1026
)
// Sources represent sound emitters in 3d space.
type Source uint32
// NewSources() creates n sources.
// Renamed, was GenSources.
func NewSources(n int) (sources []Source) {
sources = make([]Source, n)
C.walGenSources(C.ALsizei(n), unsafe.Pointer(&sources[0]))
return
}
// DeleteSources() deletes the given sources.
func DeleteSources(sources []Source) {
n := len(sources)
C.walDeleteSources(C.ALsizei(n), unsafe.Pointer(&sources[0]))
}
// Renamed, was SourcePlayv.
func PlaySources(sources []Source) {
C.walSourcePlayv(C.ALsizei(len(sources)), unsafe.Pointer(&sources[0]))
}
// Renamed, was SourceStopv.
func StopSources(sources []Source) {
C.walSourceStopv(C.ALsizei(len(sources)), unsafe.Pointer(&sources[0]))
}
// Renamed, was SourceRewindv.
func RewindSources(sources []Source) {
C.walSourceRewindv(C.ALsizei(len(sources)), unsafe.Pointer(&sources[0]))
}
// Renamed, was SourcePausev.
func PauseSources(sources []Source) {
C.walSourcePausev(C.ALsizei(len(sources)), unsafe.Pointer(&sources[0]))
}
// Renamed, was Sourcef.
func (self Source) Setf(param int32, value float32) {
C.alSourcef(C.ALuint(self), C.ALenum(param), C.ALfloat(value))
}
// Renamed, was Source3f.
func (self Source) Set3f(param int32, value1, value2, value3 float32) {
C.alSource3f(C.ALuint(self), C.ALenum(param), C.ALfloat(value1), C.ALfloat(value2), C.ALfloat(value3))
}
// Renamed, was Sourcefv.
func (self Source) Setfv(param int32, values []float32) {
C.walSourcefv(C.ALuint(self), C.ALenum(param), unsafe.Pointer(&values[0]))
}
// Renamed, was Sourcei.
func (self Source) Seti(param int32, value int32) {
C.alSourcei(C.ALuint(self), C.ALenum(param), C.ALint(value))
}
// Renamed, was Source3i.
func (self Source) Set3i(param int32, value1, value2, value3 int32) {
C.alSource3i(C.ALuint(self), C.ALenum(param), C.ALint(value1), C.ALint(value2), C.ALint(value3))
}
// Renamed, was Sourceiv.
func (self Source) Setiv(param int32, values []int32) {
C.walSourceiv(C.ALuint(self), C.ALenum(param), unsafe.Pointer(&values[0]))
}
// Renamed, was GetSourcef.
func (self Source) Getf(param int32) float32 {
return float32(C.walGetSourcef(C.ALuint(self), C.ALenum(param)))
}
// Renamed, was GetSource3f.
func (self Source) Get3f(param int32) (v1, v2, v3 float32) {
C.walGetSource3f(C.ALuint(self), C.ALenum(param), unsafe.Pointer(&v1),
unsafe.Pointer(&v2), unsafe.Pointer(&v3))
return
}
// Renamed, was GetSourcefv.
func (self Source) Getfv(param int32, values []float32) {
C.walGetSourcefv(C.ALuint(self), C.ALenum(param), unsafe.Pointer(&values[0]))
}
// Renamed, was GetSourcei.
func (self Source) Geti(param int32) int32 {
return int32(C.walGetSourcei(C.ALuint(self), C.ALenum(param)))
}
// Renamed, was GetSource3i.
func (self Source) Get3i(param int32) (v1, v2, v3 int32) {
C.walGetSource3i(C.ALuint(self), C.ALenum(param), unsafe.Pointer(&v1),
unsafe.Pointer(&v2), unsafe.Pointer(&v3))
return
}
// Renamed, was GetSourceiv.
func (self Source) Getiv(param int32, values []int32) {
C.walGetSourceiv(C.ALuint(self), C.ALenum(param), unsafe.Pointer(&values[0]))
}
// Renamed, was SourcePlay.
func (self Source) Play() {
C.alSourcePlay(C.ALuint(self))
}
// Renamed, was SourceStop.
func (self Source) Stop() {
C.alSourceStop(C.ALuint(self))
}
// Renamed, was SourceRewind.
func (self Source) Rewind() {
C.alSourceRewind(C.ALuint(self))
}
// Renamed, was SourcePause.
func (self Source) Pause() {
C.alSourcePause(C.ALuint(self))
}
// Renamed, was SourceQueueBuffers.
func (self Source) QueueBuffers(buffers []Buffer) {
C.walSourceQueueBuffers(C.ALuint(self), C.ALsizei(len(buffers)), unsafe.Pointer(&buffers[0]))
}
// Renamed, was SourceUnqueueBuffers.
func (self Source) UnqueueBuffers(buffers []Buffer) {
C.walSourceUnqueueBuffers(C.ALuint(self), C.ALsizei(len(buffers)), unsafe.Pointer(&buffers[0]))
}
///// Convenience ////////////////////////////////////////////////////
// NewSource() creates a single source.
// Convenience function, see NewSources().
func NewSource() Source {
return Source(C.walGenSource())
}
// DeleteSource() deletes a single source.
// Convenience function, see DeleteSources().
func DeleteSource(source Source) {
C.walDeleteSource(C.ALuint(source))
}
// Convenience method, see Source.QueueBuffers().
func (self Source) QueueBuffer(buffer Buffer) {
C.walSourceQueueBuffer(C.ALuint(self), C.ALuint(buffer))
}
// Convenience method, see Source.QueueBuffers().
func (self Source) UnqueueBuffer() Buffer {
return Buffer(C.walSourceUnqueueBuffer(C.ALuint(self)))
}
// Source queries.
// TODO: SourceType isn't documented as a query in the
// al.h header, but it is documented that way in
// the OpenAL 1.1 specification.
const (
AlSourceState = 0x1010
AlBuffersQueued = 0x1015
AlBuffersProcessed = 0x1016
AlSourceType = 0x1027
)
// Convenience method, see Source.Geti().
func (self Source) BuffersQueued() int32 {
return self.Geti(AlBuffersQueued)
}
// Convenience method, see Source.Geti().
func (self Source) BuffersProcessed() int32 {
return self.Geti(AlBuffersProcessed)
}
// Convenience method, see Source.Geti().
func (self Source) State() int32 {
return self.Geti(AlSourceState)
}
// Convenience method, see Source.Geti().
func (self Source) Type() int32 {
return self.Geti(AlSourceType)
}
// Convenience method, see Source.Getf().
func (self Source) GetGain() (gain float32) {
return self.Getf(AlGain)
}
// Convenience method, see Source.Setf().
func (self Source) SetGain(gain float32) {
self.Setf(AlGain, gain)
}
// Convenience method, see Source.Getf().
func (self Source) GetMinGain() (gain float32) {
return self.Getf(AlMinGain)
}
// Convenience method, see Source.Setf().
func (self Source) SetMinGain(gain float32) {
self.Setf(AlMinGain, gain)
}
// Convenience method, see Source.Getf().
func (self Source) GetMaxGain() (gain float32) {
return self.Getf(AlMaxGain)
}
// Convenience method, see Source.Setf().
func (self Source) SetMaxGain(gain float32) {
self.Setf(AlMaxGain, gain)
}
// Convenience method, see Source.Getf().
func (self Source) GetReferenceDistance() (distance float32) {
return self.Getf(AlReferenceDistance)
}
// Convenience method, see Source.Setf().
func (self Source) SetReferenceDistance(distance float32) {
self.Setf(AlReferenceDistance, distance)
}
// Convenience method, see Source.Getf().
func (self Source) GetMaxDistance() (distance float32) {
return self.Getf(AlMaxDistance)
}
// Convenience method, see Source.Setf().
func (self Source) SetMaxDistance(distance float32) {
self.Setf(AlMaxDistance, distance)
}
// Convenience method, see Source.Getf().
func (self Source) GetPitch() float32 {
return self.Getf(AlPitch)
}
// Convenience method, see Source.Setf().
func (self Source) SetPitch(pitch float32) {
self.Setf(AlPitch, pitch)
}
// Convenience method, see Source.Getf().
func (self Source) GetRolloffFactor() (gain float32) {
return self.Getf(AlRolloffFactor)
}
// Convenience method, see Source.Setf().
func (self Source) SetRolloffFactor(gain float32) {
self.Setf(AlRolloffFactor, gain)
}
// Convenience method, see Source.Geti().
func (self Source) GetLooping() bool {
return self.Geti(AlLooping) != alFalse
}
var bool2al map[bool]int32 = map[bool]int32{true: alTrue, false: alFalse}
// Convenience method, see Source.Seti().
func (self Source) SetLooping(yes bool) {
self.Seti(AlLooping, bool2al[yes])
}
// Convenience method, see Source.Geti().
func (self Source) GetSourceRelative() bool {
return self.Geti(AlSourceRelative) != alFalse
}
// Convenience method, see Source.Seti().
func (self Source) SetSourceRelative(yes bool) {
self.Seti(AlSourceRelative, bool2al[yes])
}
// Convenience method, see Source.Setfv().
func (self Source) SetPosition(x, y, z float32) {
self.Set3f(AlPosition, x, y, z)
}
// Convenience method, see Source.Getfv().
func (self Source) GetPosition() (x, y, z float32) {
return self.Get3f(AlPosition)
}
// Convenience method, see Source.Setfv().
func (self Source) SetDirection(x, y, z float32) {
self.Set3f(AlDirection, x, y, z)
}
// Convenience method, see Source.Getfv().
func (self Source) GetDirection() (x, y, z float32) {
return self.Get3f(AlDirection)
}
// Convenience method, see Source.Setfv().
func (self Source) SetVelocity(x, y, z float32) {
self.Set3f(AlVelocity, x, y, z)
}
// Convenience method, see Source.Getfv().
func (self Source) GetVelocity() (x, y, z float32) {
return self.Get3f(AlVelocity)
}
// Convenience method, see Source.Getf().
func (self Source) GetOffsetSeconds() float32 {
return self.Getf(AlSecOffset)
}
// Convenience method, see Source.Setf().
func (self Source) SetOffsetSeconds(offset float32) {
self.Setf(AlSecOffset, offset)
}
// Convenience method, see Source.Geti().
func (self Source) GetOffsetSamples() int32 {
return self.Geti(AlSampleOffset)
}
// Convenience method, see Source.Seti().
func (self Source) SetOffsetSamples(offset int32) {
self.Seti(AlSampleOffset, offset)
}
// Convenience method, see Source.Geti().
func (self Source) GetOffsetBytes() int32 {
return self.Geti(AlByteOffset)
}
// Convenience method, see Source.Seti().
func (self Source) SetOffsetBytes(offset int32) {
self.Seti(AlByteOffset, offset)
}
// Convenience method, see Source.Getf().
func (self Source) GetInnerAngle() float32 {
return self.Getf(AlConeInnerAngle)
}
// Convenience method, see Source.Setf().
func (self Source) SetInnerAngle(offset float32) {
self.Setf(AlConeInnerAngle, offset)
}
// Convenience method, see Source.Getf().
func (self Source) GetOuterAngle() float32 {
return self.Getf(AlConeOuterAngle)
}
// Convenience method, see Source.Setf().
func (self Source) SetOuterAngle(offset float32) {
self.Setf(AlConeOuterAngle, offset)
}
// Convenience method, see Source.Getf().
func (self Source) GetOuterGain() float32 {
return self.Getf(AlConeOuterGain)
}
// Convenience method, see Source.Setf().
func (self Source) SetOuterGain(offset float32) {
self.Setf(AlConeOuterGain, offset)
}
// Convenience method, see Source.Geti().
func (self Source) SetBuffer(buffer Buffer) {
self.Seti(AlBuffer, int32(buffer))
}
// Convenience method, see Source.Geti().
func (self Source) GetBuffer() (buffer Buffer) {
return Buffer(self.Geti(AlBuffer))
}