private bool RingbufferPutComplete(int tcsId, int state, int result)
{
sceMpegRingbuffer *rb = ( sceMpegRingbuffer * )_memorySystem.Translate(( uint )state);
if (result >= 0)
{
// Ok
RingBuffer.EndWrite(( byte * )rb->pData, rb->iPackets, rb->iPacketSize, ref rb->iWritePackets, result);
rb->iUnk0 -= result;
}
else
{
// Failed
}
_kernel.Cpu.SetContextRegister(_kernel.ActiveThread.ContextID, 2, ( uint )result);
return(true);
}
public int sceMpegRingbufferConstruct(uint ringbuffer, int packets, int allocated, int size, int callback, int cbparam)
{
sceMpegRingbuffer *rb = ( sceMpegRingbuffer * )_memorySystem.Translate(ringbuffer);
rb->iPackets = packets;
rb->iReadPackets = 0;
rb->iWritePackets = 0;
rb->iUnk0 = packets; // using this as remaining for now
rb->iPacketSize = 2048;
rb->pData = allocated;
rb->Callback = callback;
rb->pCBparam = cbparam;
rb->pDataUpperBound = allocated + (packets * 104) + (packets * 2048);
rb->iSemaphoreID = 123456;
rb->pSceMpeg = 0;
return(0);
}
public int sceMpegRingbufferPut(int ringbuffer, int packets, int available)
{
sceMpegRingbuffer *rb = ( sceMpegRingbuffer * )_memorySystem.Translate(( uint )ringbuffer);
int toWrite = Math.Min(rb->iUnk0, packets);
if (toWrite == 0)
{
// Full
return(0);
}
// Write position
byte *ptr = RingBuffer.BeginWrite(( byte * )rb->pData, rb->iPackets, rb->iPacketSize, rb->iWritePackets);
// int callback( ringbuffer, packets, cbparam )
_kernel.Cpu.MarshalCall(_kernel.ActiveThread.ContextID, ( uint )rb->Callback, new uint[] { ( uint )ptr, ( uint )toWrite, ( uint )rb->pCBparam }, RingbufferPutComplete, ringbuffer);
return(toWrite);
}
public int sceMpegRingbufferAvailableSize(int ringbuffer)
{
sceMpegRingbuffer *rb = ( sceMpegRingbuffer * )_memorySystem.Translate(( uint )ringbuffer);
return(rb->iUnk0);
}
