/// <summary>
/// Gets a value indicating whether the specified channel is looping.
/// </summary>
/// <param name="handle">The handle of the channel to evaluate.</param>
/// <returns>true if the channel is looping; otherwise, false.</returns>
public static Boolean GetIsLooping(UInt32 handle)
{
var flags = BASS_ChannelFlags(handle, 0, 0);
if (!BASSUtil.IsValidValue(flags))
{
throw new BASSException();
}
return((flags & BASS_SAMPLE_LOOP) == BASS_SAMPLE_LOOP);
}
/// <inheritdoc/>
public override void Play(Single volume, Single pitch, Single pan)
{
Contract.EnsureNotDisposed(this, Disposed);
var channel = 0u;
if (pitch == 0)
{
channel = BASS_SampleGetChannel(sample, false);
if (!BASSUtil.IsValidHandle(channel))
{
throw new BASSException();
}
}
else
{
var stream = BASS_StreamCreate(sampleInfo.freq, sampleInfo.chans, sampleInfo.flags | BASS_STREAM_DECODE, STREAMPROC_PUSH, IntPtr.Zero);
if (!BASSUtil.IsValidHandle(stream))
{
throw new BASSException();
}
var pushed = BASS_StreamPutData(stream, sampleData, sampleInfo.length);
if (!BASSUtil.IsValidValue(pushed))
{
throw new BASSException();
}
stream = BASS_FX_TempoCreate(stream, BASS_FX_FREESOURCE | BASS_STREAM_AUTOFREE);
if (!BASSUtil.IsValidHandle(stream))
{
throw new BASSException();
}
channel = stream;
BASSUtil.SetPitch(channel, MathUtil.Clamp(pitch, -1f, 1f));
}
BASSUtil.SetVolume(channel, MathUtil.Clamp(volume, 0f, 1f));
BASSUtil.SetPan(channel, MathUtil.Clamp(pan, -1f, 1f));
if (!BASS_ChannelPlay(channel, false))
{
throw new BASSException();
}
}