210 lines
7.2 KiB
C++
210 lines
7.2 KiB
C++
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/*==========================================================================
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*
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* Copyright (C) 1999 Microsoft Corporation. All Rights Reserved.
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*
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* File: dvengine.cpp
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* Content: Implementation of CDirectVoiceEngine's static functions
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*
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* History:
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* Date By Reason
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* ==== == ======
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* 07/19/99 rodtoll Created
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* 07/29/99 rodtoll Added static members to load default settings
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* 08/10/99 rodtoll Removed the TODOs
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* 08/25/99 rodtoll General Cleanup/Modifications to support new
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* compression sub-system.
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* Added default parameter reads from the registry
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* 08/30/99 rodtoll Distinguish between primary buffer format and
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* playback format.
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* Changed playback format to be 8Khz, 16Bit mono
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* 10/05/99 rodtoll Additional comments/DPFs
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* 10/07/99 rodtoll Updated to work in Unicode
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* 02/08/2000 rodtoll Bug #131496 - Selecting DVTHRESHOLD_DEFAULT results in voice
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* never being detected
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* 03/03/2000 rodtoll Updated to handle alternative gamevoice build.
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* 04/21/2000 rodtoll Bug #32889 - Does not run on Win2k on non-admin account
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* 04/24/2000 rodtoll Bug #33203 - Aureal Vortex plays back at the wrong rate
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* 07/12/2000 rodtoll Bug #31468 - Add diagnostic spew to logfile to show what is failing the HW Wizard
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* 08/31/2000 rodtoll Bug #43804 - DVOICE: dwSensitivity structure member is confusing - should be dwThreshold
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* 10/10/2000 rodtoll Bug #46907 - 3D Sound position not working correctly with Win9X & VxD
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* 04/06/2001 kareemc Added Voice Defense
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*
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***************************************************************************/
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#include "dxvoicepch.h"
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#undef DPF_SUBCOMP
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#define DPF_SUBCOMP DN_SUBCOMP_VOICE
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// Registry settings and their defaults
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#define DPVOICE_REGISTRY_DEFAULTAGGRESSIVENESS L"DefaultAggressiveness"
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#define DPVOICE_DEFAULT_DEFAULTAGGRESSIVENESS 15
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#define DPVOICE_REGISTRY_DEFAULTQUALITY L"DefaultQuality"
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#define DPVOICE_DEFAULT_DEFAULTQUALITY 15
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#define DPVOICE_REGISTRY_DEFAULTSENSITIVITY L"DefaultSensitivity"
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#define DPVOICE_DEFAULT_DEFAULTSENSITIVITY 20
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#define DPVOICE_REGISTRY_ASO L"AltStart"
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#define DPVOICE_DEFAULT_ASO FALSE
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#define DPVOICE_REGISTRY_DUMPDIAGNOSTICS L"InitDiagnostics"
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#define DPVOICE_DEFAULT_DUMPDIAGNOSTICS FALSE
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// Fix for bug #33203 -- Some cards having trouble with playback at 8Khz.
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#define DPVOICE_REGISTRY_PLAYBACKFORMAT L"PlaybackFormat"
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#define DPVOICE_DEFAULT_PLAYBACKFORMAT CreateWaveFormat( WAVE_FORMAT_PCM, FALSE, 22050, 16 )
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#define DPVOICE_REGISTRY_PRIMARYFORMAT L"PrimaryFormat"
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#define DPVOICE_DEFAULT_PRIMARYFORMAT CreateWaveFormat( WAVE_FORMAT_PCM, TRUE, 22050, 16 )
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#define DPVOICE_REGISTRY_MIXERFORMAT L"MixerFormat"
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#define DPVOICE_DEFAULT_MIXERFORMAT CreateWaveFormat( WAVE_FORMAT_PCM, FALSE, 8000, 16 );
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// Initialize static member variables
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DWORD CDirectVoiceEngine::s_dwDefaultBufferAggressiveness = DPVOICE_DEFAULT_DEFAULTAGGRESSIVENESS;
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DWORD CDirectVoiceEngine::s_dwDefaultBufferQuality = DPVOICE_DEFAULT_DEFAULTQUALITY;
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DWORD CDirectVoiceEngine::s_dwDefaultSensitivity = DPVOICE_DEFAULT_DEFAULTSENSITIVITY;
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LPWAVEFORMATEX CDirectVoiceEngine::s_lpwfxPrimaryFormat = NULL;
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LPWAVEFORMATEX CDirectVoiceEngine::s_lpwfxPlaybackFormat = NULL;
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LPWAVEFORMATEX CDirectVoiceEngine::s_lpwfxMixerFormat = NULL;
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BOOL CDirectVoiceEngine::s_fASO = DPVOICE_DEFAULT_ASO;
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WCHAR CDirectVoiceEngine::s_szRegistryPath[_MAX_PATH];
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BOOL CDirectVoiceEngine::s_fDumpDiagnostics = DPVOICE_DEFAULT_DUMPDIAGNOSTICS;
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DNCRITICAL_SECTION CDirectVoiceEngine::s_csSTLLock;
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#undef DPF_MODNAME
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#define DPF_MODNAME "CDirectVoiceEngine::Startup"
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//
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// Startup
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//
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// Called to load global settings and compression info from the registry.
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//
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HRESULT CDirectVoiceEngine::Startup(const WCHAR *szPath)
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{
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HRESULT hr;
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DPFX(DPFPREP, DVF_WARNINGLEVEL, "Starting up global DLL state" );
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wcscpy( s_szRegistryPath, szPath );
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if (!DNInitializeCriticalSection( &s_csSTLLock ) )
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{
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return DVERR_OUTOFMEMORY;
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}
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hr = DVCDB_LoadCompressionInfo( s_szRegistryPath );
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if( FAILED( hr ) )
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{
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DPFX(DPFPREP, DVF_ERRORLEVEL, "Unable to load compression info: hr=0x%x", hr );
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return hr;
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}
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InitRecordFormats();
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CRegistry cregSettings;
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if( !cregSettings.Open( HKEY_CURRENT_USER, s_szRegistryPath, FALSE, TRUE ) )
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{
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s_dwDefaultBufferQuality = DPVOICE_DEFAULT_DEFAULTAGGRESSIVENESS;
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s_dwDefaultBufferAggressiveness = DPVOICE_DEFAULT_DEFAULTQUALITY;
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s_dwDefaultSensitivity = DPVOICE_DEFAULT_DEFAULTSENSITIVITY;
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CDirectVoiceEngine::s_lpwfxPlaybackFormat = DPVOICE_DEFAULT_PLAYBACKFORMAT;
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CDirectVoiceEngine::s_lpwfxPrimaryFormat = DPVOICE_DEFAULT_PRIMARYFORMAT;
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CDirectVoiceEngine::s_lpwfxMixerFormat = DPVOICE_DEFAULT_MIXERFORMAT;
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CDirectVoiceEngine::s_fDumpDiagnostics = DPVOICE_DEFAULT_DUMPDIAGNOSTICS;
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return DV_OK;
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}
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cregSettings.ReadDWORD( DPVOICE_REGISTRY_DEFAULTQUALITY, s_dwDefaultBufferQuality );
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cregSettings.ReadDWORD( DPVOICE_REGISTRY_DEFAULTAGGRESSIVENESS, s_dwDefaultBufferAggressiveness );
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cregSettings.ReadDWORD( DPVOICE_REGISTRY_DEFAULTSENSITIVITY, s_dwDefaultSensitivity );
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cregSettings.ReadBOOL( DPVOICE_REGISTRY_ASO, s_fASO );
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cregSettings.ReadBOOL( DPVOICE_REGISTRY_DUMPDIAGNOSTICS, s_fDumpDiagnostics );
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if( FAILED( CREG_ReadAndAllocWaveFormatEx( cregSettings, DPVOICE_REGISTRY_PLAYBACKFORMAT, &CDirectVoiceEngine::s_lpwfxPlaybackFormat ) ) )
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{
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CDirectVoiceEngine::s_lpwfxPlaybackFormat = DPVOICE_DEFAULT_PLAYBACKFORMAT;
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}
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if( FAILED( CREG_ReadAndAllocWaveFormatEx( cregSettings, DPVOICE_REGISTRY_PRIMARYFORMAT, &CDirectVoiceEngine::s_lpwfxPrimaryFormat ) ) )
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{
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CDirectVoiceEngine::s_lpwfxPrimaryFormat = DPVOICE_DEFAULT_PRIMARYFORMAT;
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}
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if( FAILED( CREG_ReadAndAllocWaveFormatEx( cregSettings, DPVOICE_REGISTRY_MIXERFORMAT, &CDirectVoiceEngine::s_lpwfxMixerFormat ) ) )
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{
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CDirectVoiceEngine::s_lpwfxMixerFormat = DPVOICE_DEFAULT_MIXERFORMAT;
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}
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return DV_OK;
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}
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#undef DPF_MODNAME
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#define DPF_MODNAME "CDirectVoiceEngine::Shutdown"
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//
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// Shutdown
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//
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// Called to free the global settings and compression list
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//
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HRESULT CDirectVoiceEngine::Shutdown()
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{
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HRESULT hr;
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DPFX(DPFPREP, DVF_WARNINGLEVEL, "Shutting down global DLL state" );
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DeInitRecordFormats();
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if( CDirectVoiceEngine::s_lpwfxPlaybackFormat != NULL )
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delete CDirectVoiceEngine::s_lpwfxPlaybackFormat;
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if( CDirectVoiceEngine::s_lpwfxMixerFormat != NULL )
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delete CDirectVoiceEngine::s_lpwfxMixerFormat;
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if( CDirectVoiceEngine::s_lpwfxPrimaryFormat != NULL )
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delete CDirectVoiceEngine::s_lpwfxPrimaryFormat;
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hr = DVCDB_FreeCompressionInfo();
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if( FAILED( hr ) )
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{
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DPFX(DPFPREP, DVF_ERRORLEVEL, "Unable to un-load compression info: hr=0x%x", hr );
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return hr;
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}
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DNDeleteCriticalSection( &s_csSTLLock );
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return DV_OK;
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}
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#undef DPF_MODNAME
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#define DPF_MODNAME "CDirectVoiceEngine::ValidateSpeechPacketSize"
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//
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// ValidateSpeechPacketSize
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//
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// Called to make sure the speech packet size is valid
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//
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BOOL CDirectVoiceEngine::ValidateSpeechPacketSize(LPDVFULLCOMPRESSIONINFO lpdvfCompressionInfo, DWORD dwSize)
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{
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BOOL bValid;
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// return true in this case because it isn't a hack attempt
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if( lpdvfCompressionInfo == NULL)
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return TRUE;
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// Check for VR12
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if( lpdvfCompressionInfo->guidType == DPVCTGUID_VR12 )
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bValid = ( dwSize <= lpdvfCompressionInfo->dwFrameLength );
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else
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bValid = ( dwSize == lpdvfCompressionInfo->dwFrameLength );
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return bValid;
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}
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