mirror of
https://github.com/gnif/LookingGlass.git
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5e07786468
Expose cancel-safe direct-I/O queues for reading rendered frames and writing captured frames through the private broker endpoint. Separate render and capture storage, publish format and state generations, and preserve local loopback while no broker is bound.
95 lines
2.7 KiB
C++
95 lines
2.7 KiB
C++
/**
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* Looking Glass
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* Copyright © 2017-2026 The Looking Glass Authors
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* https://looking-glass.io
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#pragma once
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#include "Common.h"
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#include "Formats.h"
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class CAudioAdapter;
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struct LGAudioPortClsDeviceContext
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{
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PVOID volatile adapter;
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};
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constexpr ULONG kLGAudioPortClsDeviceExtensionSize =
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PORT_CLASS_DEVICE_EXTENSION_SIZE +
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sizeof(LGAudioPortClsDeviceContext);
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inline LGAudioPortClsDeviceContext *GetLGAudioDeviceContext(
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_In_ PDEVICE_OBJECT deviceObject)
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{
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return reinterpret_cast<LGAudioPortClsDeviceContext *>(
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static_cast<BYTE *>(deviceObject->DeviceExtension) +
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PORT_CLASS_DEVICE_EXTENSION_SIZE);
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}
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_IRQL_requires_max_(PASSIVE_LEVEL)
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NTSTATUS BrokerDeviceInitialize(_In_ PDRIVER_OBJECT driverObject);
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_IRQL_requires_max_(PASSIVE_LEVEL)
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void BrokerDeviceShutdown();
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_IRQL_requires_max_(DISPATCH_LEVEL)
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bool BrokerDeviceIsControlDevice(_In_ PDEVICE_OBJECT deviceObject);
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_IRQL_requires_max_(APC_LEVEL)
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NTSTATUS BrokerDeviceDispatch(
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_In_ PDEVICE_OBJECT deviceObject,
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_Inout_ PIRP irp);
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_IRQL_requires_max_(PASSIVE_LEVEL)
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void BrokerDeviceNotifyPnpDeviceAdded();
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_IRQL_requires_max_(PASSIVE_LEVEL)
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void BrokerDeviceNotifyPnpDeviceRemoved();
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_IRQL_requires_max_(PASSIVE_LEVEL)
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NTSTATUS BrokerDeviceAttachAdapter(
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_In_ PDEVICE_OBJECT deviceObject,
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_In_ CAudioAdapter *adapter);
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_IRQL_requires_max_(PASSIVE_LEVEL)
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void BrokerDeviceDetachAdapter(_In_ PDEVICE_OBJECT deviceObject);
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_IRQL_requires_max_(DISPATCH_LEVEL)
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CAudioAdapter *BrokerDeviceAcquireAdapter(
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_Out_opt_ PULONGLONG generation);
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_IRQL_requires_max_(DISPATCH_LEVEL)
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void BrokerDeviceReleaseAdapter();
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_IRQL_requires_max_(DISPATCH_LEVEL)
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void BrokerDeviceNotifyStreamChanged(
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_In_ CAudioAdapter *adapter,
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_In_ EndpointKind kind);
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_IRQL_requires_max_(DISPATCH_LEVEL)
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void BrokerDeviceNotifyRenderAvailable(
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_In_ CAudioAdapter *adapter,
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_In_ ULONG bytes,
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_In_ ULONG droppedBytes);
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_IRQL_requires_max_(DISPATCH_LEVEL)
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void BrokerDeviceRecordCaptureUnderrun(
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_In_ CAudioAdapter *adapter,
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_In_ ULONGLONG bytes);
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