public void GetSampleDuration()
{
var monoInstance = new DynamicSoundEffectInstance(8000, AudioChannels.Mono);
var stereoInstance = new DynamicSoundEffectInstance(24000, AudioChannels.Stereo);
// Zero length
Assert.AreEqual(0, (int)monoInstance.GetSampleDuration(0).TotalMilliseconds / 10);
Assert.AreEqual(0, (int)stereoInstance.GetSampleDuration(0).TotalMilliseconds / 10);
// Nonzero length
Assert.AreNotEqual(0, monoInstance.GetSampleDuration(16000).Ticks);
Assert.AreNotEqual(0, stereoInstance.GetSampleDuration(96000).Ticks);
// Length not aligned with format
Assert.AreEqual(1, (int)stereoInstance.GetSampleDuration(97).TotalMilliseconds);
// Negative length
Assert.Throws <ArgumentException>(() => { monoInstance.GetSampleDuration(-1); });
// Disposed
monoInstance.Dispose();
Assert.Throws <ObjectDisposedException>(() => { monoInstance.GetSampleDuration(0); });
stereoInstance.Dispose();
}
public void GetSampleDuration()
{
var monoInstance = new DynamicSoundEffectInstance(8000, AudioChannels.Mono);
var stereoInstance = new DynamicSoundEffectInstance(24000, AudioChannels.Stereo);
// Zero length
Assert.AreEqual(TimeSpan.Zero, monoInstance.GetSampleDuration(0));
Assert.AreEqual(TimeSpan.Zero, stereoInstance.GetSampleDuration(0));
// Nonzero length
Assert.AreEqual(TimeSpan.FromSeconds(1), monoInstance.GetSampleDuration(16000));
Assert.AreEqual(TimeSpan.FromSeconds(1), stereoInstance.GetSampleDuration(96000));
// Length not aligned with format
Assert.AreEqual(TimeSpan.FromMilliseconds(1), stereoInstance.GetSampleDuration(97));
// Negative length
Assert.Throws <ArgumentException>(() => { monoInstance.GetSampleDuration(-1); });
// Disposed
monoInstance.Dispose();
Assert.Throws <ObjectDisposedException>(() => { monoInstance.GetSampleDuration(0); });
stereoInstance.Dispose();
}
/// <summary>
/// Plays the effect.
/// </summary>
/// <param name="asEffect">Set to false for music, true for sound effects.</param>
public void Play(bool asEffect, AudioEffects effect = AudioEffects.None, float volume = 1.0f, bool spamCheck = false)
{
double now = UltimaGame.TotalMS;
CullExpiredEffects(now);
if (spamCheck && (LastPlayed + MinimumDelay > DateTime.Now))
{
return;
}
m_ThisInstance = GetNewInstance(asEffect);
if (m_ThisInstance == null)
{
Dispose();
return;
}
switch (effect)
{
case AudioEffects.PitchVariation:
float pitch = Utility.RandomValue(-5, 5) * .025f;
m_ThisInstance.Pitch = pitch;
break;
}
BeforePlay();
LastPlayed = DateTime.Now;
byte[] buffer = GetBuffer();
if (buffer != null && buffer.Length > 0)
{
m_ThisInstance.BufferNeeded += OnBufferNeeded;
m_ThisInstance.SubmitBuffer(buffer);
m_ThisInstance.Volume = volume;
m_ThisInstance.Play();
List <Tuple <DynamicSoundEffectInstance, double> > list = (asEffect) ? m_EffectInstances : m_MusicInstances;
double ms = m_ThisInstance.GetSampleDuration(buffer.Length).TotalMilliseconds;
list.Add(new Tuple <DynamicSoundEffectInstance, double>(m_ThisInstance, now + ms));
}
}
public void Play()
{
float now = (float)UltimaEngine.TotalMS;
// Check to see if any existing instances of this sound effect have stopped playing. If
// they have, remove the reference to them so the garbage collector can collect them.
for (int i = 0; i < m_instances.Count; i++)
{
if (m_instances[i].Item2 < now)
{
m_instances.RemoveAt(i);
i--;
}
}
DynamicSoundEffectInstance instance = new DynamicSoundEffectInstance(22050, AudioChannels.Mono);
instance.BufferNeeded += new EventHandler <EventArgs>(instance_BufferNeeded);
instance.SubmitBuffer(m_waveBuffer);
instance.Play();
m_instances.Add(new Tuple <DynamicSoundEffectInstance, float>(instance,
now + (instance.GetSampleDuration(m_waveBuffer.Length).Milliseconds)));
}
/// <summary>
/// Plays the effect.
/// </summary>
/// <param name="asEffect">Set to false for music, true for sound effects.</param>
public void Play(bool asEffect = true)
{
double now = UltimaGame.TotalMS;
CullExpiredEffects(now);
m_ThisInstance = GetNewInstance(asEffect);
if (m_ThisInstance == null)
{
this.Dispose();
return;
}
BeforePlay();
byte[] buffer = GetBuffer();
if (buffer != null && buffer.Length > 0)
{
m_ThisInstance.BufferNeeded += new EventHandler <EventArgs>(OnBufferNeeded);
m_ThisInstance.SubmitBuffer(buffer);
m_ThisInstance.Play();
List <Tuple <DynamicSoundEffectInstance, double> > list = (asEffect) ? m_EffectInstances : m_MusicInstances;
list.Add(new Tuple <DynamicSoundEffectInstance, double>(m_ThisInstance, now + (m_ThisInstance.GetSampleDuration(buffer.Length).Milliseconds)));
}
}
