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[Audio] Report full volume in the AudioOut2 port state 

Co-authored-by: Sekai <140012992+igettingit@users.noreply.github.com>
This commit is contained in:
ParantezTech 2026-10-07 02:43:09 +03:00
parent eba01a757d
commit 32f077df44
1 changed files with 17 additions and 8 deletions
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25
src/SharpEmu.Libs/Audio/AudioOut2Exports.cs
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@ -769,13 +769,16 @@ public static class AudioOut2Exports
return SetReturn(ctx, AudioOut2ErrorInvalidPointer);
}
if (IsGuestStackAddress(stateAddress) &&
!(AllowStackOut("portstate") && Ports.ContainsKey(portHandle)))
{
TraceAudioOut2(
$"port-get-state skip-stack handle=0x{portHandle:X} state=0x{stateAddress:X}");
return SetReturn(ctx, 0);
}
Span<byte> state = stackalloc byte[PortStateSize];
state.Clear();
// +0x00 u16 output = OUTPUT_PRIMARY (1)
// +0x02 u8 numChannels = from port format when known, else 2
// +0x04 s16 volume = -1 (not applicable outside PADSPK)
// +0x06 u16 rerouteCounter = 0 (the host mixer never reroutes)
// +0x08 u32 flags = 0 (no 3D, not mono-forced)
byte channels = 2;
if (Ports.TryGetValue(portHandle, out var port) &&
TryDecodeDataFormat(port.DataFormat, out var decodedChannels, out _, out _))
@ -785,15 +788,21 @@ public static class AudioOut2Exports
BinaryPrimitives.WriteUInt16LittleEndian(state[0x00..], PortStateOutputConnectedPrimary);
state[0x02] = channels;
BinaryPrimitives.WriteInt16LittleEndian(state[0x04..], -1);
BinaryPrimitives.WriteInt16LittleEndian(state[0x04..], 127);
if (!ctx.Memory.TryWrite(stateAddress, state))
{
return SetReturn(ctx, AudioOut2ErrorInvalidPointer);
}
TraceAudioOut2(
$"port-get-state handle=0x{portHandle:X} state=0x{stateAddress:X} bytes=0x{PortStateSize:X}");
var traceState = Interlocked.Increment(ref _portStateTraceCount);
if (traceState <= 8 || traceState % 500 == 0)
{
TraceAudioOut2(
$"port-get-state#{traceState} handle=0x{portHandle:X} state=0x{stateAddress:X} " +
$"bytes={Convert.ToHexString(state)}");
}
return SetReturn(ctx, 0);
}