public MmalPoolImpl(IPort port)
{
MmalLog.Logger.LogDebug($"Creating buffer pool with {port.BufferNum} buffers of size {port.BufferSize}");
Ptr = MmalUtil.PoolCreate(port.Ptr, port.BufferNum, port.BufferSize);
Queue = new MmalQueueImpl((*Ptr).Queue);
}
public static unsafe dynamic GetParameter(this IPort port, int key)
{
var t = MmalParameterHelpers.ParameterHelper.FirstOrDefault(c => c.ParamValue == key);
if (t == null)
{
throw new PiCameraError($"Could not find parameter {key}");
}
MmalLog.Logger.LogDebug($"Getting parameter {t.ParamName}");
try
{
switch (t.ParamType.Name)
{
case nameof(MmalParameterBooleanType):
var boolVal = 0;
MmalCheck(MmalUtil.GetBoolean(port.Ptr, (uint)key, ref boolVal), "Unable to get boolean value");
return(boolVal == 1);
case nameof(MmalParameterUint64Type):
var ulongVal = 0UL;
MmalCheck(MmalUtil.GetUint64(port.Ptr, (uint)key, ref ulongVal), "Unable to get ulong value");
return(ulongVal);
case nameof(MmalParameterInt64Type):
var longVal = 0L;
MmalCheck(MmalUtil.GetInt64(port.Ptr, (uint)key, ref longVal), "Unable to get long value");
return(longVal);
case nameof(MmalParameterUint32Type):
var uintVal = 0U;
MmalCheck(MmalUtil.GetUint32(port.Ptr, (uint)key, ref uintVal), "Unable to get uint value");
return(uintVal);
case nameof(MmalParameterInt32Type):
var intVal = 0;
MmalCheck(MmalUtil.GetInt32(port.Ptr, (uint)key, ref intVal), "Unable to get int value");
return(intVal);
case nameof(MmalParameterRationalType):
var ratVal = default(MmalRational);
MmalCheck(MmalUtil.GetRational(port.Ptr, (uint)key, ref ratVal), "Unable to get rational value");
return((double)ratVal.Num / ratVal.Den);
default:
throw new NotSupportedException($"The parameter type is unknown: {t.ParamType.Name}");
}
}
catch
{
MmalLog.Logger.LogWarning($"Unable to get port parameter {t.ParamName}");
throw;
}
}
internal static unsafe void SetParameter(this IPort port, int key, dynamic value)
{
var t = MmalParameterHelpers.ParameterHelper.FirstOrDefault(c => c.ParamValue == key);
if (t == null)
{
throw new PiCameraError($"Could not find parameter {key}");
}
MmalLog.Logger.LogDebug($"Setting parameter {t.ParamName}");
try
{
switch (t.ParamType.Name)
{
case nameof(MmalParameterBooleanType):
int i = (bool)value ? 1 : 0;
MmalCheck(MmalUtil.SetBoolean(port.Ptr, (uint)key, i), "Unable to set boolean value");
break;
case nameof(MmalParameterUint64Type):
MmalCheck(MmalUtil.SetUint64(port.Ptr, (uint)key, (ulong)value), "Unable to set ulong value");
break;
case nameof(MmalParameterInt64Type):
MmalCheck(MmalUtil.SetInt64(port.Ptr, (uint)key, (long)value), "Unable to set long value");
break;
case nameof(MmalParameterUint32Type):
MmalCheck(MmalUtil.SetUint32(port.Ptr, (uint)key, (uint)value), "Unable to set uint value");
break;
case nameof(MmalParameterInt32Type):
MmalCheck(MmalUtil.SetInt32(port.Ptr, (uint)key, (int)value), "Unable to set int value");
break;
case nameof(MmalParameterRationalType):
MmalCheck(MmalUtil.SetRational(port.Ptr, (uint)key, (MmalRational)value), "Unable to set rational value");
break;
case nameof(MmalParameterStringType):
MmalCheck(MmalUtil.SetString(port.Ptr, (uint)key, (string)value), "Unable to set rational value");
break;
default:
throw new NotSupportedException();
}
}
catch
{
MmalLog.Logger.LogWarning($"Unable to set port parameter {t.ParamName}");
throw;
}
}