public ValueOrder valueOrder = ValueOrder.SampleMajor; // if SampleMajor, then the input is ordered by sample first (sample elements contiguously in memory) and channels second (i.e. <smpl0 - ch0> - <smpl0 - ch1> ...)
// if ChannelMajor, then the input is ordered by channel first (channel elements contiguously in memory) and samples second (i.e. <smpl0 - ch0> - <smpl1 - ch0> ...)
//private int[] types = null; //
//private string[] channelNames; // Channel names in package description?
public SamplePackageFormat(int channels, int samples, double rate, ValueOrder valueOrder)
{
this.numChannels = channels;
this.numSamples = samples;
this.packageRate = rate;
this.valueOrder = valueOrder;
}
public AgentOrder.E_OrderType GetOrder()
{
ValueOrder v = PropValue as ValueOrder; return(v != null ? v.Order : AgentOrder.E_OrderType.E_NONE);
}
public OrderType GetOrder()
{
ValueOrder v = PropValue as ValueOrder; return(v != null ? v.Order : OrderType.NONE);
}
public bool configure(out SamplePackageFormat output)
{
// retrieve the number of output channels
outputChannels = parameters.getValue <int>("Channels");
if (outputChannels <= 0)
{
logger.Error("Number of output channels cannot be 0");
output = null;
return(false);
}
// retrieve the sample-package rate
samplePackageRate = parameters.getValue <double>("PackageRate");
if (samplePackageRate <= 0)
{
logger.Error("The sample-package rate cannot be 0 or lower");
output = null;
return(false);
}
// retrieve the high precision setting
highPrecision = parameters.getValue <bool>("HighPrecision");
// retrieve the number of output channels
samplesPerPackage = parameters.getValue <int>("SamplesPerPackage");
if (samplesPerPackage <= 0)
{
logger.Error("Number of samples per package cannot be 0");
output = null;
return(false);
}
if (samplesPerPackage > 65535)
{
logger.Error("Number of samples per package cannot be higher than 65535");
output = null;
return(false);
}
// retrieve the sample value order
//sampleValueOrder = (parameters.getValue<int>("ValueOrder") == 0 ? ValueOrder.ChannelMajor : ValueOrder.SampleMajor);
sampleValueOrder = ValueOrder.SampleMajor;
// create a sampleformat
output = new SamplePackageFormat(outputChannels, samplesPerPackage, samplePackageRate, sampleValueOrder);
// calculate the sample-package interval
samplePackageIntervalMs = (int)Math.Floor(1000.0 / samplePackageRate);
// check if the sample-package rate is above 1000hz
if (samplePackageRate > 1000)
{
// enable the high precision timing
highPrecision = true;
// message
logger.Warn("Because the sample-package rate is larger than 1000hz, the high precision timer will be used");
}
// check if high precision timing is enabled
if (highPrecision)
{
// calculate the sample-package interval for the high precision timing
samplePackageIntervalTicks = (long)Math.Round(Stopwatch.Frequency * (1.0 / samplePackageRate));
// message
logger.Warn("High precision timer enabled. The majority of the Palmtree OS-process will be claimed by the source-module, this might have consequences for the pipeline performance and/or your system performance");
}
// TODO: debug, log as sourceinput
//for (int i = 0; i < outputChannels; i++)
// Data.registerSourceInputStream(("Ch" + i), samplesPerPackage, samplePackageRate);
// flag as configured
configured = true;
// return success
return(true);
}
public bool configure(out SamplePackageFormat output)
{
// retrieve the number of output channels
outputChannels = parameters.getValue <int>("Channels");
if (outputChannels <= 0)
{
logger.Error("Number of output channels cannot be 0");
output = null;
return(false);
}
// retrieve the sample-package rate
samplePackageRate = parameters.getValue <double>("SamplePackageRate");
if (samplePackageRate <= 0)
{
logger.Error("The sample-package rate cannot be 0 or lower");
output = null;
return(false);
}
// retrieve the high precision setting
highPrecision = parameters.getValue <bool>("HighPrecision");
// retrieve the number of output channels
samplesPerPackage = parameters.getValue <int>("SamplesPerPackage");
if (samplesPerPackage <= 0)
{
logger.Error("Number of samples per package cannot be 0");
output = null;
return(false);
}
if (samplesPerPackage > 65535)
{
logger.Error("Number of samples per package cannot be higher than 65535");
output = null;
return(false);
}
// retrieve the sample value order
//sampleValueOrder = (parameters.getValue<int>("ValueOrder") == 0 ? ValueOrder.ChannelMajor : ValueOrder.SampleMajor);
sampleValueOrder = ValueOrder.SampleMajor;
// create a sampleformat
output = new SamplePackageFormat(outputChannels, samplesPerPackage, samplePackageRate, sampleValueOrder);
// calculate the sample-package interval
samplePackageIntervalMs = (int)Math.Floor(1000.0 / samplePackageRate);
// check if the sample-package rate is above 1000hz
if (samplePackageRate > 1000)
{
// enable the high precision timing
highPrecision = true;
// message
logger.Warn("Because the sample-package rate is larger than 1000hz, the high precision timer will be used");
}
// check if high precision timing is enabled
if (highPrecision)
{
// calculate the sample-package interval for the high precision timing
samplePackageIntervalTicks = (long)Math.Round(Stopwatch.Frequency * (1.0 / samplePackageRate));
// message
logger.Warn("High precision timer enabled. The majority of the Palmtree OS-process will be claimed by the source-module, this might have consequences for the pipeline performance and/or your system performance");
}
// retrieve key settings
string[][] keys = parameters.getValue <string[][]>("Keys");
if (keys == null || keys.Length == 0)
{
// no keys specified
mConfigKeys = new Keys[0];
mConfigOutputChannels = new int[0];
mConfigPressed = new double[0];
mConfigNotPressed = new double[0];
}
else
{
// keys present
if (keys.Length != 4)
{
logger.Error("Keys parameter must have 4 columns (Key, Output channel, Pressed, Not-pressed)");
return(false);
}
// resize the variables
mConfigKeys = new Keys[keys[0].Length]; // char converted to virtual key
mConfigOutputChannels = new int[keys[0].Length]; // for the values stored in this array: value 0 = channel 1
mConfigPressed = new double[keys[0].Length];
mConfigNotPressed = new double[keys[0].Length];
// loop through the rows
for (int row = 0; row < keys[0].Length; ++row)
{
// try to convert the key character to an int
string key = keys[0][row].ToUpper();
if (key.Length != 1 || !(new Regex(@"^[A-Z0-9]*$")).IsMatch(key))
{
logger.Error("The key value '" + key + "' is not a valid key (should be a single character, a-z or 0-9)");
return(false);
}
mConfigKeys[row] = (Keys)key[0]; // capital characters A-Z and numbers can be directly saved as int (directly used/emulated as virtual keys)
// try to parse the channel number
int channel = 0;
if (!int.TryParse(keys[1][row], out channel))
{
logger.Error("The value '" + keys[1][row] + "' is not a valid output channel value (should be a positive integer)");
return(false);
}
if (channel < 1)
{
logger.Error("Output channels must be positive integers");
return(false);
}
if (channel > outputChannels)
{
logger.Error("The output channel value '" + keys[1][row] + "' exceeds the number of channels coming out of the filter (#outputChannels: " + outputChannels + ")");
return(false);
}
mConfigOutputChannels[row] = channel - 1; // -1 since the user input the channel 1-based and we use a 0-based array
// try to parse the pressed value
double doubleValue = 0;
if (!double.TryParse(keys[2][row], NumberStyles.AllowDecimalPoint | NumberStyles.AllowLeadingSign, Parameters.NumberCulture, out doubleValue))
{
logger.Error("The value '" + keys[2][row] + "' is not a valid double value");
return(false);
}
mConfigPressed[row] = doubleValue;
// try to parse the not-pressed value
doubleValue = 0;
if (!double.TryParse(keys[3][row], NumberStyles.AllowDecimalPoint | NumberStyles.AllowLeadingSign, Parameters.NumberCulture, out doubleValue))
{
logger.Error("The value '" + keys[3][row] + "' is not a valid double value");
return(false);
}
mConfigNotPressed[row] = doubleValue;
}
}
// flag as configured
configured = true;
// return success
return(true);
}
