mirror of
https://github.com/gnif/LookingGlass.git
synced 2026-11-12 14:57:20 +00:00
7c24b585af
Add a WaveRT adapter with render and capture endpoints backed by a local ring buffer and shared presentation clock. Advertise PCM formats through 192 kHz, eight channels, and packed 24-bit samples. Register LGAudio in the IDD solution and package it as Looking Glass Audio.
100 lines
2.4 KiB
C++
100 lines
2.4 KiB
C++
/**
|
|
* Looking Glass
|
|
* Copyright © 2017-2026 The Looking Glass Authors
|
|
* https://looking-glass.io
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by the Free
|
|
* Software Foundation; either version 2 of the License, or (at your option)
|
|
* any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc., 59
|
|
* Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include "Common.h"
|
|
#include "Adapter.h"
|
|
|
|
extern "C" DRIVER_INITIALIZE DriverEntry;
|
|
|
|
namespace
|
|
{
|
|
NTSTATUS AddAudioDevice(
|
|
_In_ PDRIVER_OBJECT driverObject,
|
|
_In_ PDEVICE_OBJECT physicalDeviceObject)
|
|
{
|
|
constexpr ULONG kSubdeviceCount = 4;
|
|
return PcAddAdapterDevice(driverObject, physicalDeviceObject,
|
|
StartAudioDevice, kSubdeviceCount, 0);
|
|
}
|
|
}
|
|
|
|
extern "C" NTSTATUS DriverEntry(
|
|
_In_ PDRIVER_OBJECT driverObject,
|
|
_In_ PUNICODE_STRING registryPath)
|
|
{
|
|
return PcInitializeAdapterDriver(driverObject, registryPath,
|
|
AddAudioDevice);
|
|
}
|
|
|
|
#pragma warning(push)
|
|
#pragma warning(disable: 4996)
|
|
void * __cdecl operator new(
|
|
size_t size,
|
|
POOL_TYPE poolType,
|
|
ULONG tag)
|
|
{
|
|
void *memory = ExAllocatePoolWithTag(poolType, size, tag);
|
|
if (memory)
|
|
RtlZeroMemory(memory, size);
|
|
return memory;
|
|
}
|
|
|
|
void * __cdecl operator new(
|
|
size_t size,
|
|
POOL_FLAGS poolFlags,
|
|
ULONG tag)
|
|
{
|
|
const POOL_TYPE poolType = (poolFlags & POOL_FLAG_PAGED) ?
|
|
PagedPool : NonPagedPoolNx;
|
|
return operator new(size, poolType, tag);
|
|
}
|
|
#pragma warning(pop)
|
|
|
|
void __cdecl operator delete(void *memory) noexcept
|
|
{
|
|
if (memory)
|
|
ExFreePool(memory);
|
|
}
|
|
|
|
void __cdecl operator delete(void *memory, size_t size) noexcept
|
|
{
|
|
UNREFERENCED_PARAMETER(size);
|
|
operator delete(memory);
|
|
}
|
|
|
|
void __cdecl operator delete(
|
|
void *memory,
|
|
POOL_TYPE poolType,
|
|
ULONG tag) noexcept
|
|
{
|
|
UNREFERENCED_PARAMETER(poolType);
|
|
UNREFERENCED_PARAMETER(tag);
|
|
operator delete(memory);
|
|
}
|
|
void __cdecl operator delete(
|
|
void *memory,
|
|
POOL_FLAGS poolFlags,
|
|
ULONG tag) noexcept
|
|
{
|
|
UNREFERENCED_PARAMETER(poolFlags);
|
|
UNREFERENCED_PARAMETER(tag);
|
|
operator delete(memory);
|
|
}
|