public unsafe AudioBuffers(int count)
{
if (count < 0)
{
throw new ArgumentOutOfRangeException("count");
}
//
// AudioBufferList is a int + array of AudioBuffer (int + int + intptr).
// However due to alignment, the array of AudioBuffer comes at position 8
// in 64bit architectures, which is why we're using IntPtr.Size here
// in order to calculate the total size / position of the AudioBuffer elements.
//
var size = IntPtr.Size + count * sizeof(AudioBuffer);
address = Marshal.AllocHGlobal(size);
owns = true;
Marshal.WriteInt32(address, 0, count);
AudioBuffer *ptr = (AudioBuffer *)(((byte *)address) + IntPtr.Size);
for (int i = 0; i < count; i++)
{
ptr->NumberChannels = 0;
ptr->DataByteSize = 0;
ptr->Data = IntPtr.Zero;
ptr++;
}
}
public unsafe AudioBuffers(int count)
{
if (count < 0)
{
throw new ArgumentOutOfRangeException("count");
}
var size = sizeof(int) + count * sizeof(AudioBuffer);
address = Marshal.AllocHGlobal(size);
owns = true;
Marshal.WriteInt32(address, 0, count);
AudioBuffer *ptr = (AudioBuffer *)(((byte *)address) + sizeof(int));
for (int i = 0; i < count; i++)
{
ptr->NumberChannels = 0;
ptr->DataByteSize = 0;
ptr->Data = IntPtr.Zero;
ptr++;
}
}