/// <summary>
/// Get the work buffer size while adding the size needed for splitter to operate.
/// </summary>
/// <param name="size">The current size.</param>
/// <param name="behaviourContext">The behaviour context.</param>
/// <param name="parameter">The renderer configuration.</param>
/// <returns>Return the new size taking splitter into account.</returns>
public static ulong GetWorkBufferSize(ulong size, ref BehaviourContext behaviourContext, ref AudioRendererConfiguration parameter)
{
if (behaviourContext.IsSplitterSupported())
{
size = WorkBufferAllocator.GetTargetSize <SplitterState>(size, parameter.SplitterCount, SplitterState.Alignment);
size = WorkBufferAllocator.GetTargetSize <SplitterDestination>(size, parameter.SplitterDestinationCount, SplitterDestination.Alignment);
if (behaviourContext.IsSplitterBugFixed())
{
size = WorkBufferAllocator.GetTargetSize <int>(size, parameter.SplitterDestinationCount, 0x10);
}
return(size);
}
else
{
return(size);
}
}
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;
}
/// <summary>
/// Initialize <see cref="SplitterContext"/>.
/// </summary>
/// <param name="behaviourContext">The behaviour context.</param>
/// <param name="parameter">The audio renderer configuration.</param>
/// <param name="workBufferAllocator">The <see cref="WorkBufferAllocator"/>.</param>
/// <returns>Return true if the initialization was successful.</returns>
public bool Initialize(ref BehaviourContext behaviourContext, ref AudioRendererConfiguration parameter, WorkBufferAllocator workBufferAllocator)
{
if (!behaviourContext.IsSplitterSupported() || parameter.SplitterCount <= 0 || parameter.SplitterDestinationCount <= 0)
{
Setup(Memory <SplitterState> .Empty, Memory <SplitterDestination> .Empty, false);
return(true);
}
Memory <SplitterState> splitters = workBufferAllocator.Allocate <SplitterState>(parameter.SplitterCount, SplitterState.Alignment);
if (splitters.IsEmpty)
{
return(false);
}
int splitterId = 0;
foreach (ref SplitterState splitter in splitters.Span)
{
splitter = new SplitterState(splitterId++);
}
Memory <SplitterDestination> splitterDestinations = workBufferAllocator.Allocate <SplitterDestination>(parameter.SplitterDestinationCount,
SplitterDestination.Alignment);
if (splitterDestinations.IsEmpty)
{
return(false);
}
int splitterDestinationId = 0;
foreach (ref SplitterDestination data in splitterDestinations.Span)
{
data = new SplitterDestination(splitterDestinationId++);
}
SplitterState.InitializeSplitters(splitters.Span);
Setup(splitters, splitterDestinations, behaviourContext.IsSplitterBugFixed());
return(true);
}
