Exemple #1
0
        public void Process(CommandList context)
        {
            Span <BiquadFilterState> states = _biquadFilterStates.Span;

            ReadOnlySpan <float> inputBuffer  = context.GetBuffer(_inputBufferIndex);
            Span <float>         outputBuffer = context.GetBuffer(_outputBufferIndex);

            for (int i = 0; i < _parameters.Length; i++)
            {
                if (!_isInitialized[i])
                {
                    states[i] = new BiquadFilterState();
                }
            }

            // NOTE: Nintendo also implements a hot path for double biquad filters, but no generic path when the command definition suggests it could be done.
            // As such we currently only implement a generic path for simplicity.
            // TODO: Implement double biquad filters fast path.
            if (_parameters.Length == 1)
            {
                BiquadFilterHelper.ProcessBiquadFilter(ref _parameters[0], ref states[0], outputBuffer, inputBuffer, context.SampleCount);
            }
            else
            {
                BiquadFilterHelper.ProcessBiquadFilter(_parameters, states, outputBuffer, inputBuffer, context.SampleCount);
            }
        }
        public void Process(CommandList context)
        {
            ReadOnlySpan <float> inputBuffer  = context.GetBuffer(InputBufferIndex);
            Span <float>         outputBuffer = context.GetBuffer(OutputBufferIndex);

            State.Span[0].LastSamples[LastSampleIndex] = ProcessMixRamp(outputBuffer, inputBuffer, (int)context.SampleCount);
        }
        public void Process(CommandList context)
        {
            ReadOnlySpan <float> inputBuffer  = context.GetBuffer(InputBufferIndex);
            Span <float>         outputBuffer = context.GetBuffer(OutputBufferIndex);

            inputBuffer.CopyTo(outputBuffer);
        }
Exemple #4
0
        public void Process(CommandList context)
        {
            ReadOnlySpan <float> inputBuffer  = context.GetBuffer(InputBufferIndex);
            Span <float>         outputBuffer = context.GetBuffer(OutputBufferIndex);

            ProcessVolumeRamp(outputBuffer, inputBuffer, (int)context.SampleCount);
        }
        public void Process(CommandList context)
        {
            const int targetChannelCount = 2;

            ulong currentOffset = CurrentOffset;

            if (CircularBufferSize > 0)
            {
                for (int i = 0; i < InputCount; i++)
                {
                    ReadOnlySpan <float> inputBuffer = context.GetBuffer(Input[i]);

                    ulong targetOffset = CircularBuffer + currentOffset;

                    for (int y = 0; y < context.SampleCount; y++)
                    {
                        context.MemoryManager.Write(targetOffset + (ulong)y * targetChannelCount, PcmHelper.Saturate(inputBuffer[y]));
                    }

                    currentOffset += context.SampleCount * targetChannelCount;

                    if (currentOffset >= CircularBufferSize)
                    {
                        currentOffset = 0;
                    }
                }
            }
        }
        public void Process(CommandList context)
        {
            Span <float> inputBuffer  = context.GetBuffer((int)InputBufferIndex);
            Span <float> outputBuffer = context.GetBuffer((int)OutputBufferIndex);

            if (IsEffectEnabled)
            {
                Span <int> inputBufferInt  = MemoryMarshal.Cast <float, int>(inputBuffer);
                Span <int> outputBufferInt = MemoryMarshal.Cast <float, int>(outputBuffer);

                // Convert input data to the target format for user (int)
                DataSourceHelper.ToInt(inputBufferInt, inputBuffer, inputBuffer.Length);

                // Send the input to the user
                Write(context.MemoryManager, OutputBuffer, CountMax, inputBufferInt, context.SampleCount, WriteOffset, UpdateCount);

                // Convert back to float just in case it's reused
                DataSourceHelper.ToFloat(inputBuffer, inputBufferInt, inputBuffer.Length);

                // Retrieve the input from user
                uint readResult = Read(context.MemoryManager, InputBuffer, CountMax, outputBufferInt, context.SampleCount, WriteOffset, UpdateCount);

                // Convert the outputBuffer back to the target format of the renderer (float)
                DataSourceHelper.ToFloat(outputBuffer, outputBufferInt, outputBuffer.Length);

                if (readResult != context.SampleCount)
                {
                    outputBuffer.Slice((int)readResult, (int)context.SampleCount - (int)readResult).Fill(0);
                }
            }
            else
            {
                AuxiliaryBufferInfo.Reset(context.MemoryManager, BufferInfo.SendBufferInfo);
                AuxiliaryBufferInfo.Reset(context.MemoryManager, BufferInfo.ReturnBufferInfo);

                if (InputBufferIndex != OutputBufferIndex)
                {
                    inputBuffer.CopyTo(outputBuffer);
                }
            }
        }
Exemple #7
0
        public void Process(CommandList context)
        {
            for (int i = 0; i < MixBufferCount; i++)
            {
                ReadOnlySpan <float> inputBuffer  = context.GetBuffer(InputBufferIndices[i]);
                Span <float>         outputBuffer = context.GetBuffer(OutputBufferIndices[i]);

                float volume0 = Volume0[i];
                float volume1 = Volume1[i];

                ref VoiceUpdateState state = ref State.Span[0];

                if (volume0 != 0 || volume1 != 0)
                {
                    state.LastSamples[i] = ProcessMixRampGrouped(outputBuffer, inputBuffer, volume0, volume1, (int)context.SampleCount);
                }
                else
                {
                    state.LastSamples[i] = 0;
                }
            }
        public void Process(CommandList context)
        {
            uint bufferCount = Math.Min(MixBufferOffset + MixBufferCount, context.BufferCount);

            for (int i = (int)MixBufferOffset; i < bufferCount; i++)
            {
                float depopValue = DepopBuffer.Span[i];
                if (depopValue != 0)
                {
                    Span <float> buffer = context.GetBuffer(i);

                    DepopBuffer.Span[i] = ProcessDepopMix(buffer, depopValue, context.SampleCount);
                }
            }
        }
Exemple #9
0
        public void Process(CommandList context)
        {
            float ratio = (float)InputSampleRate / Constants.TargetSampleRate;

            uint bufferCount = Math.Min(BufferCount, UpsamplerInfo.SourceSampleCount);

            for (int i = 0; i < bufferCount; i++)
            {
                Span <float> inputBuffer  = context.GetBuffer(UpsamplerInfo.InputBufferIndices[i]);
                Span <float> outputBuffer = GetBuffer(UpsamplerInfo.InputBufferIndices[i], (int)UpsamplerInfo.SampleCount);

                float fraction = 0.0f;

                ResamplerHelper.ResampleForUpsampler(outputBuffer, inputBuffer, ratio, ref fraction, (int)(InputSampleCount / ratio));
            }
        }
        public void Process(CommandList context)
        {
            ReadOnlySpan <float> frontLeft    = context.GetBuffer(InputBufferIndices[0]);
            ReadOnlySpan <float> frontRight   = context.GetBuffer(InputBufferIndices[1]);
            ReadOnlySpan <float> frontCenter  = context.GetBuffer(InputBufferIndices[2]);
            ReadOnlySpan <float> lowFrequency = context.GetBuffer(InputBufferIndices[3]);
            ReadOnlySpan <float> backLeft     = context.GetBuffer(InputBufferIndices[4]);
            ReadOnlySpan <float> backRight    = context.GetBuffer(InputBufferIndices[5]);

            Span <float> stereoLeft  = context.GetBuffer(OutputBufferIndices[0]);
            Span <float> stereoRight = context.GetBuffer(OutputBufferIndices[1]);

            for (int i = 0; i < context.SampleCount; i++)
            {
                stereoLeft[i]  = DownMixSurroundToStereo(Coefficients, backLeft[i], lowFrequency[i], frontCenter[i], frontLeft[i]);
                stereoRight[i] = DownMixSurroundToStereo(Coefficients, backRight[i], lowFrequency[i], frontCenter[i], frontRight[i]);
            }

            context.ClearBuffer(OutputBufferIndices[2]);
            context.ClearBuffer(OutputBufferIndices[3]);
            context.ClearBuffer(OutputBufferIndices[4]);
            context.ClearBuffer(OutputBufferIndices[5]);
        }
Exemple #11
0
        public void Process(CommandList context)
        {
            Span <float> inputBuffer = context.GetBuffer((int)InputBufferIndex);

            if (IsEffectEnabled)
            {
                Span <int> inputBufferInt = MemoryMarshal.Cast <float, int>(inputBuffer);

                // Convert input data to the target format for user (int)
                DataSourceHelper.ToInt(inputBufferInt, inputBuffer, inputBuffer.Length);

                // Send the input to the user
                Write(context.MemoryManager, OutputBuffer, CountMax, inputBufferInt, context.SampleCount, WriteOffset, UpdateCount);

                // Convert back to float
                DataSourceHelper.ToFloat(inputBuffer, inputBufferInt, inputBuffer.Length);
            }
            else
            {
                AuxiliaryBufferInfo.Reset(context.MemoryManager, DspBufferInfoAddress);
            }
        }