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using Ryujinx.HLE.HOS.Services.Audio.Types;
using System;
using System.Runtime.InteropServices;
namespace Ryujinx.HLE.HOS.Services.Audio.HardwareOpusDecoderManager
{
class IHardwareOpusDecoder : IpcService
{
private readonly IDecoder _decoder;
private readonly OpusDecoderFlags _flags;
public IHardwareOpusDecoder(int sampleRate, int channelsCount, OpusDecoderFlags flags)
{
_decoder = new Decoder(sampleRate, channelsCount);
_flags = flags;
}
public IHardwareOpusDecoder(int sampleRate, int channelsCount, int streams, int coupledStreams, OpusDecoderFlags flags, byte[] mapping)
{
_decoder = new MultiSampleDecoder(sampleRate, channelsCount, streams, coupledStreams, mapping);
_flags = flags;
}
[CommandCmif(0)]
// DecodeInterleavedOld(buffer<unknown, 5>) -> (u32, u32, buffer<unknown, 6>)
public ResultCode DecodeInterleavedOld(ServiceCtx context)
{
return DecodeInterleavedInternal(context, OpusDecoderFlags.None, reset: false, withPerf: false);
}
[CommandCmif(2)]
// DecodeInterleavedForMultiStreamOld(buffer<unknown, 5>) -> (u32, u32, buffer<unknown, 6>)
public ResultCode DecodeInterleavedForMultiStreamOld(ServiceCtx context)
{
return DecodeInterleavedInternal(context, OpusDecoderFlags.None, reset: false, withPerf: false);
}
[CommandCmif(4)] // 6.0.0+
// DecodeInterleavedWithPerfOld(buffer<unknown, 5>) -> (u32, u32, u64, buffer<unknown, 0x46>)
public ResultCode DecodeInterleavedWithPerfOld(ServiceCtx context)
{
return DecodeInterleavedInternal(context, OpusDecoderFlags.None, reset: false, withPerf: true);
}
[CommandCmif(5)] // 6.0.0+
// DecodeInterleavedForMultiStreamWithPerfOld(buffer<unknown, 5>) -> (u32, u32, u64, buffer<unknown, 0x46>)
public ResultCode DecodeInterleavedForMultiStreamWithPerfOld(ServiceCtx context)
{
return DecodeInterleavedInternal(context, OpusDecoderFlags.None, reset: false, withPerf: true);
}
[CommandCmif(6)] // 6.0.0+
// DecodeInterleavedWithPerfAndResetOld(bool reset, buffer<unknown, 5>) -> (u32, u32, u64, buffer<unknown, 0x46>)
public ResultCode DecodeInterleavedWithPerfAndResetOld(ServiceCtx context)
{
bool reset = context.RequestData.ReadBoolean();
return DecodeInterleavedInternal(context, OpusDecoderFlags.None, reset, withPerf: true);
}
[CommandCmif(7)] // 6.0.0+
// DecodeInterleavedForMultiStreamWithPerfAndResetOld(bool reset, buffer<unknown, 5>) -> (u32, u32, u64, buffer<unknown, 0x46>)
public ResultCode DecodeInterleavedForMultiStreamWithPerfAndResetOld(ServiceCtx context)
{
bool reset = context.RequestData.ReadBoolean();
return DecodeInterleavedInternal(context, OpusDecoderFlags.None, reset, withPerf: true);
}
[CommandCmif(8)] // 7.0.0+
// DecodeInterleaved(bool reset, buffer<unknown, 0x45>) -> (u32, u32, u64, buffer<unknown, 0x46>)
public ResultCode DecodeInterleaved(ServiceCtx context)
{
bool reset = context.RequestData.ReadBoolean();
return DecodeInterleavedInternal(context, _flags, reset, withPerf: true);
}
[CommandCmif(9)] // 7.0.0+
// DecodeInterleavedForMultiStream(bool reset, buffer<unknown, 0x45>) -> (u32, u32, u64, buffer<unknown, 0x46>)
public ResultCode DecodeInterleavedForMultiStream(ServiceCtx context)
{
bool reset = context.RequestData.ReadBoolean();
return DecodeInterleavedInternal(context, _flags, reset, withPerf: true);
}
private ResultCode DecodeInterleavedInternal(ServiceCtx context, OpusDecoderFlags flags, bool reset, bool withPerf)
{
ulong inPosition = context.Request.SendBuff[0].Position;
ulong inSize = context.Request.SendBuff[0].Size;
ulong outputPosition = context.Request.ReceiveBuff[0].Position;
ulong outputSize = context.Request.ReceiveBuff[0].Size;
ReadOnlySpan<byte> input = context.Memory.GetSpan(inPosition, (int)inSize);
ResultCode result = _decoder.DecodeInterleaved(reset, input, out short[] outPcmData, outputSize, out uint outConsumed, out int outSamples);
if (result == ResultCode.Success)
{
context.Memory.Write(outputPosition, MemoryMarshal.Cast<short, byte>(outPcmData.AsSpan()));
context.ResponseData.Write(outConsumed);
context.ResponseData.Write(outSamples);
if (withPerf)
{
// This is the time the DSP took to process the request, TODO: fill this.
context.ResponseData.Write(0UL);
}
}
return result;
}
}
}
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