mirror of
https://github.com/gnif/LookingGlass.git
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348f92d8b6
Add optional playback and capture streams to the LGMP transport. Negotiate ownership over the existing control path and keep audio availability isolated from display transport readiness. Route broker packets through public LGMP stream APIs without changing the LGMP queue table or shared-memory mapping.
94 lines
2.9 KiB
C++
94 lines
2.9 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 "CSRWLock.h"
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#include "transport/lgmp/CLGMPHost.h"
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#include "transport/IControlSink.h"
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#include <LGProtocol/KVMFR.h>
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#include <Windows.h>
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#include <wdf.h>
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#include <IddCx.h>
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#include <memory>
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class CLGMPTransport;
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class CLGMPAudioTransport;
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class CLGMPControl final : public IControlSink
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{
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private:
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friend class CLGMPTransport;
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friend class CLGMPAudioTransport;
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static constexpr int POINTER_SHAPE_BUFFERS = 3;
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static constexpr int COLOR_TRANSFORM_BUFFERS = 3;
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CLGMPHost& m_host;
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PLGMPHostQueue m_pointerQueue = nullptr;
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PLGMPMemory m_pointerMemory[LGMP_Q_POINTER_LEN] = {};
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PLGMPMemory m_pointerShapeMemory[POINTER_SHAPE_BUFFERS] = {};
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PLGMPMemory m_pointerTransformMemory[COLOR_TRANSFORM_BUFFERS] = {};
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int m_pointerMemoryIndex = 0;
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int m_pointerShapeIndex = 0;
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int m_pointerTransformIndex = 0;
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mutable CSRWLock m_eventLock;
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IControlEvents * m_events = nullptr;
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ControlToken m_token = {};
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PLGMPMemory FindAvailable(
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PLGMPMemory * memory, int count, int& index) const;
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ControlResult SendColorTransform(
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const std::shared_ptr<const D12ColorTransform>& transform);
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bool Initialize();
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void DeInit();
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LGMP_STATUS ReadDataWithSource(void * data, size_t * size,
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uint32_t * sourceClientID);
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LGMP_STATUS AckData();
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LGMP_STATUS PostForClient(uint64_t udata, PLGMPMemory memory,
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uint32_t clientID, unsigned& recipients);
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bool PayloadPending(PLGMPMemory memory) const;
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LGMP_STATUS GetClientIDs(
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uint32_t clientIDs[LGMP_MAX_CLIENTS], unsigned& count) const;
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bool HasNewSubscribers();
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void RequestReplay();
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public:
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explicit CLGMPControl(CLGMPHost& host) :
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m_host(host) {}
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~CLGMPControl() override;
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CLGMPControl(const CLGMPControl&) = delete;
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CLGMPControl& operator=(const CLGMPControl&) = delete;
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void SetControlEvents(
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IControlEvents * events, const ControlToken& token) override;
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ControlResult SendCursor(const IDARG_OUT_QUERY_HWCURSOR& info,
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const BYTE * data, size_t size, UINT sdrWhiteLevel) override;
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ControlResult SetColorTransform(
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std::shared_ptr<const D12ColorTransform> transform) override;
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};
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