public Instrument()
{
string sampleFolder = this.GetSampleFolder();
this.minSample = this.GetMinSample();
this.maxSample = this.GetMaxSample();
int digitCount = this.GetFileDigitCount();
this.isLoop = this.GetIsLoop();
this.isNoteOffOnRelease = this.GetIsNoteOffOnRelease();
Mixer.ChannelsAllocated = channelCount;
this.samples = new Sample[maxSample + 1];
this.soundChannelMap = new Channel[128];
this.channels = new Channel[channelCount];
for (int channelId = 0; channelId < channelCount; ++channelId)
{
this.channels[channelId] = Mixer.CreateChannel(channelId);
}
for (int sampleId = minSample; sampleId < maxSample + 1; ++sampleId)
{
Sample sample = new Sample(sampleId, sampleFolder + "/" + this.FormatDigit(sampleId, digitCount) + ".ogg");
this.samples[sampleId] = sample;
}
}
/// <summary>
/// Setup the audio subsystem
/// </summary>
/// <param name="callingForm">The Calling Form</param>
public static void setupAudio(System.Windows.Forms.Control callingForm)
{
// Open the mixer with, high quality
Mixer.Open(44100, AudioFormat.Default, (int)SoundChannel.Stereo, 1024);
// Make sure enough channels are allocated to cover the complete sample range
Mixer.ChannelsAllocated = channels * subChannels; // Set the maximum number of channels to 1000
//ch = new Channel[channels,subChannels];
ch = new Channel[channels][];
// Setup the subChannels which will be cycled through to ensure that the quality is maintained
for (int i = 0; i < channels; i++)
{
ch[i] = new Channel[subChannels];
}
// Need a unique count for channels; otherwise if the same channel declaration is assigned to
// more than one position; all of those positions would be effected by any directive.
// I.e. Calling play on one array position which has the same channel as another array position
// would then be accessing the same properties
int channelAllocated = 0;
// Create all of the channels; so that the audio can be assigned to and played from the channel
for (int i = 0; i < channels; i++)
{
for (int p = 0; p < subChannels; p++)
{
// Create the channels that the audio can be played in to
ch[i][p] = Mixer.CreateChannel(channelAllocated++);
}
}
aSound = new Sound[255];
//// Setup the array to store the individual samples for each level of power
//for (int i = 0; i < 3; i++)
//{
// aSound[i] = new Sound();
//}
// For the pitch shifting roll
aSample = new sample[262];
for (int i = 0; i < 261; i++)
{
//sampleLocations[i] = "";
loopSample[i] = false;
}
//SDL Interface Initalised
SDLInitalised = true;
}