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98 lines
3.6 KiB
98 lines
3.6 KiB
5 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// The copyright to the contents herein is the property of Valve, L.L.C.
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// The contents may be used and/or copied only with the written permission of
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// Valve, L.L.C., or in accordance with the terms and conditions stipulated in
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// the agreement/contract under which the contents have been supplied.
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//
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//=============================================================================
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#ifndef VIDEOSUBSYSTEM_H
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#define VIDEOSUBSYSTEM_H
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#if defined ( WIN32 )
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#pragma once
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#endif
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#include "tier2/tier2.h"
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#include "appframework/IAppSystem.h"
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//-----------------------------------------------------------------------------
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// Common structure used to store supported file types
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//-----------------------------------------------------------------------------
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struct VideoFileExtensionInfo_t
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{
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const char *m_FileExtension;
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VideoSystem_t m_VideoSubSystem;
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VideoSystemFeature_t m_VideoFeatures;
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};
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class IVideoCommonServices
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{
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public:
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virtual bool CalculateVideoDimensions( int videoWidth, int videoHeight, int displayWidth, int displayHeight, VideoPlaybackFlags_t playbackFlags,
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int *pOutputWidth, int *pOutputHeight, int *pXOffset, int *pYOffset ) = 0;
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virtual float GetSystemVolume() = 0;
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virtual VideoResult_t InitFullScreenPlaybackInputHandler( VideoPlaybackFlags_t playbackFlags, float forcedMinTime, bool windowed ) = 0;
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virtual bool ProcessFullScreenInput( bool &bAbortEvent, bool &bPauseEvent, bool &bQuitEvent ) = 0;
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virtual VideoResult_t TerminateFullScreenPlaybackInputHandler() = 0;
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};
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//-----------------------------------------------------------------------------
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// Main VIDEO_SERVICES interface
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//-----------------------------------------------------------------------------
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#define VIDEO_SUBSYSTEM_INTERFACE_VERSION "IVideoSubSystem002"
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class IVideoSubSystem : public IAppSystem
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{
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public:
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// SubSystem Identification functions
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virtual VideoSystem_t GetSystemID() = 0;
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virtual VideoSystemStatus_t GetSystemStatus() = 0;
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virtual VideoSystemFeature_t GetSupportedFeatures() = 0;
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virtual const char *GetVideoSystemName() = 0;
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// Setup & Shutdown Services
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virtual bool InitializeVideoSystem( IVideoCommonServices *pCommonServices ) = 0;
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virtual bool ShutdownVideoSystem() = 0;
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virtual VideoResult_t VideoSoundDeviceCMD( VideoSoundDeviceOperation_t operation, void *pDevice, void *pData = nullptr ) = 0;
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// get list of file extensions and features we support
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virtual int GetSupportedFileExtensionCount() = 0;
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virtual const char *GetSupportedFileExtension( int num ) = 0;
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virtual VideoSystemFeature_t GetSupportedFileExtensionFeatures( int num ) = 0;
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// Video Playback and Recording Services
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virtual VideoResult_t PlayVideoFileFullScreen( const char *filename, void *mainWindow, int windowWidth, int windowHeight, int desktopWidth, int desktopHeight, bool windowed, float forcedMinTime, VideoPlaybackFlags_t playbackFlags ) = 0;
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// Create/destroy a video material
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virtual IVideoMaterial *CreateVideoMaterial( const char *pMaterialName, const char *pVideoFileName, VideoPlaybackFlags_t flags ) = 0;
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virtual VideoResult_t DestroyVideoMaterial( IVideoMaterial* pVideoMaterial ) = 0;
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// Create/destroy a video encoder
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virtual IVideoRecorder *CreateVideoRecorder() = 0;
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virtual VideoResult_t DestroyVideoRecorder( IVideoRecorder *pRecorder ) = 0;
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virtual VideoResult_t CheckCodecAvailability( VideoEncodeCodec_t codec ) = 0;
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virtual VideoResult_t GetLastResult() = 0;
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};
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#endif
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