354 lines
9.8 KiB
C++
354 lines
9.8 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//=============================================================================
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#include "webm_video.h"
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#include "webm_recorder.h"
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#include "filesystem.h"
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#include "tier0/icommandline.h"
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#include "tier1/strtools.h"
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#include "tier1/utllinkedlist.h"
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#include "tier1/KeyValues.h"
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#include "materialsystem/imaterial.h"
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#include "materialsystem/imaterialsystem.h"
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#include "materialsystem/MaterialSystemUtil.h"
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#include "materialsystem/itexture.h"
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#include "vtf/vtf.h"
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#include "pixelwriter.h"
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#include "tier2/tier2.h"
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#include "platform.h"
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#include "tier0/memdbgon.h"
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// ===========================================================================
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// Singleton to expose WebM video subsystem
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// ===========================================================================
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static CWebMVideoSubSystem g_WebMSystem;
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EXPOSE_SINGLE_INTERFACE_GLOBALVAR( CWebMVideoSubSystem, IVideoSubSystem, VIDEO_SUBSYSTEM_INTERFACE_VERSION, g_WebMSystem );
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// ===========================================================================
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// List of file extensions and features supported by this subsystem
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// ===========================================================================
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VideoFileExtensionInfo_t s_WebMExtensions[] =
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{
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{ ".webm", VideoSystem::WEBM, VideoSystemFeature::FULL_ENCODE },
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};
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const int s_WebMExtensionCount = ARRAYSIZE( s_WebMExtensions );
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const VideoSystemFeature_t CWebMVideoSubSystem::DEFAULT_FEATURE_SET = VideoSystemFeature::FULL_ENCODE;
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// ===========================================================================
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// CWebMVideoSubSystem class
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// ===========================================================================
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CWebMVideoSubSystem::CWebMVideoSubSystem() :
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m_bWebMInitialized( false ),
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m_LastResult( VideoResult::SUCCESS ),
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m_CurrentStatus( VideoSystemStatus::NOT_INITIALIZED ),
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m_AvailableFeatures( CWebMVideoSubSystem::DEFAULT_FEATURE_SET ),
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m_pCommonServices( nullptr )
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{
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}
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CWebMVideoSubSystem::~CWebMVideoSubSystem()
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{
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ShutdownWebM(); // Super redundant safety check
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}
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// ===========================================================================
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// IAppSystem methods
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// ===========================================================================
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bool CWebMVideoSubSystem::Connect( CreateInterfaceFn factory )
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{
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if ( !BaseClass::Connect( factory ) )
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{
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return false;
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}
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if ( g_pFullFileSystem == nullptr || materials == nullptr )
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{
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Msg( "WebM video subsystem failed to connect to missing a required system\n" );
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return false;
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}
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return true;
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}
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void CWebMVideoSubSystem::Disconnect()
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{
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BaseClass::Disconnect();
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}
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void* CWebMVideoSubSystem::QueryInterface( const char *pInterfaceName )
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{
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if ( IS_NOT_EMPTY( pInterfaceName ) )
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{
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if ( V_strncmp( pInterfaceName, VIDEO_SUBSYSTEM_INTERFACE_VERSION, Q_strlen( VIDEO_SUBSYSTEM_INTERFACE_VERSION ) + 1) == STRINGS_MATCH )
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{
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return (IVideoSubSystem*) this;
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}
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}
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return nullptr;
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}
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InitReturnVal_t CWebMVideoSubSystem::Init()
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{
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InitReturnVal_t nRetVal = BaseClass::Init();
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if ( nRetVal != INIT_OK )
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{
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return nRetVal;
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}
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return INIT_OK;
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}
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void CWebMVideoSubSystem::Shutdown()
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{
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// Make sure we shut down WebM
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ShutdownWebM();
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BaseClass::Shutdown();
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}
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// ===========================================================================
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// IVideoSubSystem identification methods
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// ===========================================================================
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VideoSystem_t CWebMVideoSubSystem::GetSystemID()
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{
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return VideoSystem::WEBM;
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}
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VideoSystemStatus_t CWebMVideoSubSystem::GetSystemStatus()
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{
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return m_CurrentStatus;
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}
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VideoSystemFeature_t CWebMVideoSubSystem::GetSupportedFeatures()
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{
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return m_AvailableFeatures;
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}
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const char* CWebMVideoSubSystem::GetVideoSystemName()
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{
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return "WebM";
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}
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// ===========================================================================
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// IVideoSubSystem setup and shutdown services
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// ===========================================================================
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bool CWebMVideoSubSystem::InitializeVideoSystem( IVideoCommonServices *pCommonServices )
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{
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m_AvailableFeatures = DEFAULT_FEATURE_SET; // Put here because of issue with static const int, binary OR and DEBUG builds
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AssertPtr( pCommonServices );
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m_pCommonServices = pCommonServices;
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return ( m_bWebMInitialized ) ? true : SetupWebM();
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}
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bool CWebMVideoSubSystem::ShutdownVideoSystem()
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{
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return ( m_bWebMInitialized ) ? ShutdownWebM() : true;
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}
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VideoResult_t CWebMVideoSubSystem::VideoSoundDeviceCMD( VideoSoundDeviceOperation_t operation, void *pDevice, void *pData )
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{
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switch ( operation )
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{
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case VideoSoundDeviceOperation::SET_DIRECT_SOUND_DEVICE:
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{
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return SetResult( VideoResult::OPERATION_NOT_SUPPORTED );
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}
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case VideoSoundDeviceOperation::SET_MILES_SOUND_DEVICE:
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case VideoSoundDeviceOperation::HOOK_X_AUDIO:
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{
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return SetResult( VideoResult::OPERATION_NOT_SUPPORTED );
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}
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default:
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{
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return SetResult( VideoResult::UNKNOWN_OPERATION );
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}
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}
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}
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// ===========================================================================
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// IVideoSubSystem supported extensions & features
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// ===========================================================================
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int CWebMVideoSubSystem::GetSupportedFileExtensionCount()
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{
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return s_WebMExtensionCount;
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}
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const char* CWebMVideoSubSystem::GetSupportedFileExtension( int num )
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{
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return ( num < 0 || num >= s_WebMExtensionCount ) ? nullptr : s_WebMExtensions[num].m_FileExtension;
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}
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VideoSystemFeature_t CWebMVideoSubSystem::GetSupportedFileExtensionFeatures( int num )
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{
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return ( num < 0 || num >= s_WebMExtensionCount ) ? VideoSystemFeature::NO_FEATURES : s_WebMExtensions[num].m_VideoFeatures;
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}
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// ===========================================================================
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// IVideoSubSystem Video Playback and Recording Services
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// ===========================================================================
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VideoResult_t CWebMVideoSubSystem::PlayVideoFileFullScreen( const char *filename, void *mainWindow, int windowWidth, int windowHeight, int desktopWidth, int desktopHeight, bool windowed, float forcedMinTime, VideoPlaybackFlags_t playbackFlags )
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{
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return SetResult( VideoResult::FEATURE_NOT_AVAILABLE );
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}
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// ===========================================================================
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// IVideoSubSystem Video Material Services
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// note that the filename is absolute and has already resolved any paths
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// ===========================================================================
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IVideoMaterial* CWebMVideoSubSystem::CreateVideoMaterial( const char *pMaterialName, const char *pVideoFileName, VideoPlaybackFlags_t flags )
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{
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SetResult( VideoResult::FEATURE_NOT_AVAILABLE );
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return NULL;
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}
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VideoResult_t CWebMVideoSubSystem::DestroyVideoMaterial( IVideoMaterial *pVideoMaterial )
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{
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return SetResult (VideoResult::FEATURE_NOT_AVAILABLE );
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}
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// ===========================================================================
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// IVideoSubSystem Video Recorder Services
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// ===========================================================================
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IVideoRecorder* CWebMVideoSubSystem::CreateVideoRecorder()
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{
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SetResult( VideoResult::SYSTEM_NOT_AVAILABLE );
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AssertExitN( m_CurrentStatus == VideoSystemStatus::OK );
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CWebMVideoRecorder *pVideoRecorder = new CWebMVideoRecorder();
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if ( pVideoRecorder != nullptr )
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{
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IVideoRecorder *pInterface = (IVideoRecorder*) pVideoRecorder;
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m_RecorderList.AddToTail( pInterface );
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SetResult( VideoResult::SUCCESS );
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return pInterface;
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}
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SetResult( VideoResult::VIDEO_ERROR_OCCURED );
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return nullptr;
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}
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VideoResult_t CWebMVideoSubSystem::DestroyVideoRecorder( IVideoRecorder *pRecorder )
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{
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AssertExitV( m_CurrentStatus == VideoSystemStatus::OK, SetResult( VideoResult::SYSTEM_NOT_AVAILABLE ) );
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AssertPtrExitV( pRecorder, SetResult( VideoResult::BAD_INPUT_PARAMETERS ) );
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if ( m_RecorderList.Find( pRecorder ) != -1 )
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{
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CWebMVideoRecorder *pVideoRecorder = (CWebMVideoRecorder*) pRecorder;
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delete pVideoRecorder;
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m_RecorderList.FindAndFastRemove( pRecorder );
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return SetResult( VideoResult::SUCCESS );
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}
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return SetResult( VideoResult::RECORDER_NOT_FOUND );
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}
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VideoResult_t CWebMVideoSubSystem::CheckCodecAvailability( VideoEncodeCodec_t codec )
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{
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AssertExitV( m_CurrentStatus == VideoSystemStatus::OK, SetResult( VideoResult::SYSTEM_NOT_AVAILABLE ) );
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AssertExitV( codec >= VideoEncodeCodec::DEFAULT_CODEC && codec < VideoEncodeCodec::CODEC_COUNT, SetResult( VideoResult::BAD_INPUT_PARAMETERS ) );
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return SetResult( VideoResult::FEATURE_NOT_AVAILABLE );
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}
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// ===========================================================================
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// Status support
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// ===========================================================================
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VideoResult_t CWebMVideoSubSystem::GetLastResult()
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{
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return m_LastResult;
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}
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VideoResult_t CWebMVideoSubSystem::SetResult( VideoResult_t status )
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{
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m_LastResult = status;
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return status;
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}
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// ===========================================================================
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// WebM Initialization & Shutdown
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// ===========================================================================
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bool CWebMVideoSubSystem::SetupWebM()
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{
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SetResult( VideoResult::INITIALIZATION_ERROR_OCCURED);
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AssertExitF( m_bWebMInitialized == false );
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// This is set early to indicate we have already been through here, even if we error out for some reason
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m_bWebMInitialized = true;
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m_CurrentStatus = VideoSystemStatus::OK;
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m_AvailableFeatures = DEFAULT_FEATURE_SET;
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// $$INIT CODE HERE$$
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// Note that we are now open for business....
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m_bWebMInitialized = true;
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SetResult( VideoResult::SUCCESS );
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return true;
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}
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bool CWebMVideoSubSystem::ShutdownWebM()
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{
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if ( m_bWebMInitialized && m_CurrentStatus == VideoSystemStatus::OK )
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{
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}
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m_bWebMInitialized = false;
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m_CurrentStatus = VideoSystemStatus::NOT_INITIALIZED;
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m_AvailableFeatures = VideoSystemFeature::NO_FEATURES;
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SetResult( VideoResult::SUCCESS );
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return true;
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}
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