/// <summary>
/// Map the <see cref="MemoryPoolState"/> on the <see cref="Dsp.AudioProcessor"/>.
/// </summary>
/// <param name="memoryPool">The <see cref="MemoryPoolState"/> to map.</param>
/// <returns>Returns the DSP address mapped.</returns>
public DspAddress Map(ref MemoryPoolState memoryPool)
{
DspAddress result = AudioProcessorMemoryManager.Map(GetProcessHandle(ref memoryPool), memoryPool.CpuAddress, memoryPool.Size);
if (result != 0)
{
memoryPool.DspAddress = result;
}
return(result);
}
/// <summary>
/// Unmap the <see cref="MemoryPoolState"/> from the <see cref="Dsp.AudioProcessor"/>.
/// </summary>
/// <param name="memoryPool">The <see cref="MemoryPoolState"/> to unmap.</param>
/// <returns>Returns true if unmapped.</returns>
public bool Unmap(ref MemoryPoolState memoryPool)
{
if (memoryPool.IsUsed)
{
return(false);
}
AudioProcessorMemoryManager.Unmap(GetProcessHandle(ref memoryPool), memoryPool.CpuAddress, memoryPool.Size);
memoryPool.SetCpuAddress(0, 0);
memoryPool.DspAddress = 0;
return(true);
}
/// <summary>
/// Force unmap the given <see cref="AddressInfo"/>.
/// </summary>
/// <param name="addressInfo">The <see cref="AddressInfo"/> to force unmap</param>
public void ForceUnmap(ref AddressInfo addressInfo)
{
if (_isForceMapEnabled)
{
Span <MemoryPoolState> memoryPool = FindMemoryPool(addressInfo.CpuAddress, addressInfo.Size);
if (!memoryPool.IsEmpty)
{
AudioProcessorMemoryManager.Unmap(_processHandle, memoryPool[0].CpuAddress, memoryPool[0].Size);
return;
}
AudioProcessorMemoryManager.Unmap(_processHandle, addressInfo.CpuAddress, 0);
}
}
/// <summary>
/// Get the first work buffer DSP address.
/// </summary>
/// <returns>The first work buffer DSP address.</returns>
protected DspAddress GetSingleBuffer()
{
if (IsEnabled)
{
return(WorkBuffers[0].GetReference(true));
}
if (UsageState != UsageState.Disabled)
{
DspAddress address = WorkBuffers[0].GetReference(false);
ulong size = WorkBuffers[0].Size;
if (address != 0 && size != 0)
{
AudioProcessorMemoryManager.InvalidateDataCache(address, size);
}
}
return(0);
}
/// <summary>
/// Map the <see cref="AddressInfo"/> to the <see cref="Dsp.AudioProcessor"/>.
/// </summary>
/// <param name="addressInfo">The <see cref="AddressInfo"/> to map.</param>
/// <returns>Returns true if mapping was performed.</returns>
private bool AssignDspAddress(ref AddressInfo addressInfo)
{
if (addressInfo.CpuAddress == 0)
{
return(false);
}
if (_memoryPools.Length > 0)
{
Span <MemoryPoolState> memoryPool = FindMemoryPool(addressInfo.CpuAddress, addressInfo.Size);
if (!memoryPool.IsEmpty)
{
addressInfo.SetupMemoryPool(memoryPool);
return(true);
}
}
if (_isForceMapEnabled)
{
DspAddress dspAddress = AudioProcessorMemoryManager.Map(_processHandle, addressInfo.CpuAddress, addressInfo.Size);
addressInfo.ForceMappedDspAddress = dspAddress;
AudioProcessorMemoryManager.Map(_processHandle, addressInfo.CpuAddress, addressInfo.Size);
}
else
{
unsafe
{
addressInfo.SetupMemoryPool(MemoryPoolState.Null);
}
}
return(false);
}
public ResultCode Initialize(ref AudioRendererConfiguration parameter, uint processHandle, CpuAddress workBuffer, ulong workBufferSize, int sessionId, ulong appletResourceId, IVirtualMemoryManager memoryManager)
{
if (!BehaviourContext.CheckValidRevision(parameter.Revision))
{
return(ResultCode.OperationFailed);
}
if (GetWorkBufferSize(ref parameter) > workBufferSize)
{
return(ResultCode.WorkBufferTooSmall);
}
Debug.Assert(parameter.RenderingDevice == AudioRendererRenderingDevice.Dsp && parameter.ExecutionMode == AudioRendererExecutionMode.Auto);
Logger.Info?.Print(LogClass.AudioRenderer, $"Initializing with REV{BehaviourContext.GetRevisionNumber(parameter.Revision)}");
_behaviourContext.SetUserRevision(parameter.Revision);
_sampleRate = parameter.SampleRate;
_sampleCount = parameter.SampleCount;
_mixBufferCount = parameter.MixBufferCount;
_voiceChannelCountMax = Constants.VoiceChannelCountMax;
_upsamplerCount = parameter.SinkCount + parameter.SubMixBufferCount;
_appletResourceId = appletResourceId;
_memoryPoolCount = parameter.EffectCount + parameter.VoiceCount * Constants.VoiceWaveBufferCount;
_executionMode = parameter.ExecutionMode;
_sessionId = sessionId;
MemoryManager = memoryManager;
if (memoryManager is IRefCounted rc)
{
rc.IncrementReferenceCount();
}
WorkBufferAllocator workBufferAllocator;
_workBufferRegion = MemoryManager.GetWritableRegion(workBuffer, (int)workBufferSize);
_workBufferRegion.Memory.Span.Fill(0);
_workBufferMemoryPin = _workBufferRegion.Memory.Pin();
workBufferAllocator = new WorkBufferAllocator(_workBufferRegion.Memory);
PoolMapper poolMapper = new PoolMapper(processHandle, false);
poolMapper.InitializeSystemPool(ref _dspMemoryPoolState, workBuffer, workBufferSize);
_mixBuffer = workBufferAllocator.Allocate <float>(_sampleCount * (_voiceChannelCountMax + _mixBufferCount), 0x10);
if (_mixBuffer.IsEmpty)
{
return(ResultCode.WorkBufferTooSmall);
}
Memory <float> upSamplerWorkBuffer = workBufferAllocator.Allocate <float>(Constants.TargetSampleCount * (_voiceChannelCountMax + _mixBufferCount) * _upsamplerCount, 0x10);
if (upSamplerWorkBuffer.IsEmpty)
{
return(ResultCode.WorkBufferTooSmall);
}
_depopBuffer = workBufferAllocator.Allocate <float>((ulong)BitUtils.AlignUp(parameter.MixBufferCount, Constants.BufferAlignment), Constants.BufferAlignment);
if (_depopBuffer.IsEmpty)
{
return(ResultCode.WorkBufferTooSmall);
}
// Invalidate DSP cache on what was currently allocated with workBuffer.
AudioProcessorMemoryManager.InvalidateDspCache(_dspMemoryPoolState.Translate(workBuffer, workBufferAllocator.Offset), workBufferAllocator.Offset);
Debug.Assert((workBufferAllocator.Offset % Constants.BufferAlignment) == 0);
Memory <VoiceState> voices = workBufferAllocator.Allocate <VoiceState>(parameter.VoiceCount, VoiceState.Alignment);
if (voices.IsEmpty)
{
return(ResultCode.WorkBufferTooSmall);
}
foreach (ref VoiceState voice in voices.Span)
{
voice.Initialize();
}
// A pain to handle as we can't have VoiceState*, use indices to be a bit more safe
Memory <int> sortedVoices = workBufferAllocator.Allocate <int>(parameter.VoiceCount, 0x10);
if (sortedVoices.IsEmpty)
{
return(ResultCode.WorkBufferTooSmall);
}
// Clear memory (use -1 as it's an invalid index)
sortedVoices.Span.Fill(-1);
Memory <VoiceChannelResource> voiceChannelResources = workBufferAllocator.Allocate <VoiceChannelResource>(parameter.VoiceCount, VoiceChannelResource.Alignment);
if (voiceChannelResources.IsEmpty)
{
return(ResultCode.WorkBufferTooSmall);
}
for (uint id = 0; id < voiceChannelResources.Length; id++)
{
ref VoiceChannelResource voiceChannelResource = ref voiceChannelResources.Span[(int)id];
voiceChannelResource.Id = id;
voiceChannelResource.IsUsed = false;
}
