func (s *Sound) LoadPCMData() {
format := 0
if s.Channels > 1 {
switch s.BitsPerSample {
case 8:
format = C.AL_FORMAT_STEREO8
case 16:
format = C.AL_FORMAT_STEREO16
}
} else {
switch s.BitsPerSample {
case 8:
format = C.AL_FORMAT_MONO8
case 16:
format = C.AL_FORMAT_MONO16
}
}
C.alGenBuffers(1, &s.buffer)
C.alBufferData(s.buffer, C.ALenum(format), unsafe.Pointer(&s.Data[0]), C.ALsizei(s.Size), C.ALsizei(s.Frequency))
}
// SetData() specifies the sample data the buffer should use.
// For FormatMono16 and FormatStereo8 the data slice must be a
// multiple of two bytes long; for FormatStereo16 the data slice
// must be a multiple of four bytes long. The frequency is given
// in Hz.
// Renamed, was BufferData.
func (self Buffer) SetData(format int32, data []byte, frequency int32) {
C.alBufferData(C.ALuint(self), C.ALenum(format), unsafe.Pointer(&data[0]),
C.ALsizei(len(data)), C.ALsizei(frequency))
}
func (buf Buffer) BufferData(data Data) error {
C.alBufferData(buf.buffer, C.ALenum(data.Format), unsafe.Pointer(&data.Data[0]), C.ALsizei(C.int(len(data.Data))), C.ALsizei(C.int(data.Frequency)))
return GetError()
}
func alBufferData(b Buffer, format uint32, data []byte, freq int32) {
C.alBufferData(C.ALuint(b), C.ALenum(format), unsafe.Pointer(&data[0]), C.ALsizei(len(data)), C.ALsizei(freq))
}
func (self Buffer) SetDataUInt(format Format, data []uint16, frequency int32) {
C.alBufferData(C.ALuint(self), C.ALenum(format), unsafe.Pointer(&data[0]),
C.ALsizei(len(data)*2), C.ALsizei(frequency))
}
func (self Buffer) SetDataStereo16(data [][2]int16, frequency int32) {
C.alBufferData(C.ALuint(self), C.ALenum(FormatStereo16), unsafe.Pointer(&data[0]),
C.ALsizei(len(data)*4), C.ALsizei(frequency))
}
func (buffer Buffer) BufferData(format ALenum, data interface{}, size int, freq int) {
C.alBufferData(C.ALuint(buffer), C.ALenum(format), ptr(data), C.ALsizei(size), C.ALsizei(freq))
}