// use sound buffer
private static void UseSoundBuffer(int SoundBufferIndex)
{
if (OpenAlContext != IntPtr.Zero)
{
if (SoundBufferIndex >= 0)
{
if (!SoundBuffers[SoundBufferIndex].TriedLoading)
{
SoundBuffers[SoundBufferIndex].TriedLoading = true;
if (!SoundBuffers[SoundBufferIndex].OpenAlBufferIndex.Valid)
{
try
{
WaveParser.WaveData data = WaveParser.LoadFromFile(SoundBuffers[SoundBufferIndex].FileName);
data = WaveParser.ConvertToMono8Or16(data);
if (data.Format.BitsPerSample == 8)
{
int buffer;
Al.alGenBuffers(1, out buffer);
Al.alBufferData(buffer, Al.AL_FORMAT_MONO8, data.Bytes, data.Bytes.Length, data.Format.SampleRate);
SoundBuffers[SoundBufferIndex].OpenAlBufferIndex = new OpenAlIndex(buffer, true);
SoundBuffers[SoundBufferIndex].Duration = (double)data.Bytes.Length / (double)(data.Format.SampleRate);
}
else if (data.Format.BitsPerSample == 16)
{
int buffer;
Al.alGenBuffers(1, out buffer);
Al.alBufferData(buffer, Al.AL_FORMAT_MONO16, data.Bytes, data.Bytes.Length, data.Format.SampleRate);
SoundBuffers[SoundBufferIndex].OpenAlBufferIndex = new OpenAlIndex(buffer, true);
SoundBuffers[SoundBufferIndex].Duration = (double)data.Bytes.Length / (double)(2 * data.Format.SampleRate);
}
else
{
SoundBuffers[SoundBufferIndex].OpenAlBufferIndex = new OpenAlIndex(0, false);
}
}
catch
{
SoundBuffers[SoundBufferIndex].OpenAlBufferIndex = new OpenAlIndex(0, false);
}
}
}
}
}
}
