source-engine/video/webm_video.h

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2020-04-22 16:56:21 +00:00
//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=============================================================================
#ifndef WEBM_VIDEO_H
#define WEBM_VIDEO_H
#ifdef _WIN32
#pragma once
#endif
//-----------------------------------------------------------------------------
// Forward declarations
//-----------------------------------------------------------------------------
class IFileSystem;
class IMaterialSystem;
class CQuickTimeMaterial;
//-----------------------------------------------------------------------------
// Global interfaces - you already did the needed includes, right?
//-----------------------------------------------------------------------------
extern IFileSystem *g_pFileSystem;
extern IMaterialSystem *materials;
//-----------------------------------------------------------------------------
// WebM Header files, anything that seems strange here is to make it so their headers
// can mesh with ours
//-----------------------------------------------------------------------------
#define VPX_CODEC_DISABLE_COMPAT 1
#include "vpx/vpx_codec.h"
#include "vpx/vpx_encoder.h"
#include "vpx/vpx_image.h"
#include "vpx/vp8cx.h"
#ifdef UNUSED
#undef UNUSED
#endif
// libwebm, support for reading/writing webm files
#include "mkvreader.hpp"
#include "mkvparser.hpp"
#include "mkvmuxer.hpp"
#include "mkvwriter.hpp"
#include "mkvmuxerutil.hpp"
#include "vorbis/vorbisenc.h"
#include "vorbis/codec.h"
#include "video/ivideoservices.h"
#include "videosubsystem.h"
#include "utlvector.h"
#include "tier1/KeyValues.h"
#include "tier0/platform.h"
// -----------------------------------------------------------------------------
// CQuickTimeVideoSubSystem - Implementation of IVideoSubSystem
// -----------------------------------------------------------------------------
class CWebMVideoSubSystem : public CTier2AppSystem< IVideoSubSystem >
{
typedef CTier2AppSystem< IVideoSubSystem > BaseClass;
public:
CWebMVideoSubSystem();
~CWebMVideoSubSystem();
// Inherited from IAppSystem
virtual bool Connect( CreateInterfaceFn factory );
virtual void Disconnect();
virtual void *QueryInterface( const char *pInterfaceName );
virtual InitReturnVal_t Init();
virtual void Shutdown();
// Inherited from IVideoSubSystem
// SubSystem Identification functions
virtual VideoSystem_t GetSystemID();
virtual VideoSystemStatus_t GetSystemStatus();
virtual VideoSystemFeature_t GetSupportedFeatures();
virtual const char *GetVideoSystemName();
// Setup & Shutdown Services
virtual bool InitializeVideoSystem( IVideoCommonServices *pCommonServices );
virtual bool ShutdownVideoSystem();
virtual VideoResult_t VideoSoundDeviceCMD( VideoSoundDeviceOperation_t operation, void *pDevice = nullptr, void *pData = nullptr );
// get list of file extensions and features we support
virtual int GetSupportedFileExtensionCount();
virtual const char *GetSupportedFileExtension( int num );
virtual VideoSystemFeature_t GetSupportedFileExtensionFeatures( int num );
// Video Playback and Recording Services
virtual VideoResult_t PlayVideoFileFullScreen( const char *filename, void *mainWindow, int windowWidth, int windowHeight, int desktopWidth, int desktopHeight, bool windowed, float forcedMinTime, VideoPlaybackFlags_t playbackFlags );
// Create/destroy a video material
virtual IVideoMaterial *CreateVideoMaterial( const char *pMaterialName, const char *pVideoFileName, VideoPlaybackFlags_t flags );
virtual VideoResult_t DestroyVideoMaterial( IVideoMaterial *pVideoMaterial );
// Create/destroy a video encoder
virtual IVideoRecorder *CreateVideoRecorder();
virtual VideoResult_t DestroyVideoRecorder( IVideoRecorder *pRecorder );
virtual VideoResult_t CheckCodecAvailability( VideoEncodeCodec_t codec );
virtual VideoResult_t GetLastResult();
private:
bool SetupWebM();
bool ShutdownWebM();
VideoResult_t SetResult( VideoResult_t status );
bool m_bWebMInitialized;
VideoResult_t m_LastResult;
VideoSystemStatus_t m_CurrentStatus;
VideoSystemFeature_t m_AvailableFeatures;
IVideoCommonServices *m_pCommonServices;
CUtlVector< IVideoMaterial* > m_MaterialList;
CUtlVector< IVideoRecorder* > m_RecorderList;
static const VideoSystemFeature_t DEFAULT_FEATURE_SET;
};
#endif // WEBM_VIDEO_H