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/**
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*
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* Direct show input.
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4
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*
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* @file
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* Copyright © Audi Electronics Venture GmbH. All rights reserved
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*
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* $Author: WNEROLF $
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* $Date: 2012-06-11 18:13:02 +0200 (Mo, 11 Jun 2012) $
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* $Revision: 32109 $
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*
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* @remarks
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*
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*/
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#include "./dsvideo.h"
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//#include <atlconv.h>
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#define RELEASE_IF_NOT_NULL(pIObj) if ((pIObj)!=NULL) { (pIObj)->Release(); (pIObj)=NULL; }
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19
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//*****************************************************************************
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#define SET_STREAM_CONFIGURATION 1
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tInt cDSInput::m_nCOMIntances = 0;
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24
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//*****************************************************************************
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cString cDSInput::GetDSError(HRESULT hResult)
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{
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tChar szMsg[1024];
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AMGetErrorText(hResult, szMsg, sizeof(szMsg));
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30
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return cString(szMsg);
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}
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//*****************************************************************************
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cDSInput::cDSInput()
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{
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// ::CoInitialize(NULL);
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m_hWnd = NULL;
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40
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m_pGraph = NULL;
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41
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m_pMediaControl = NULL;
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m_pEvent = NULL;
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43
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m_pRenderer = NULL;
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m_psStreamEventSink = NULL;
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45
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m_pCaptureGraphBuilder = NULL;
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m_sBitmapFormat.nPaletteSize = 0;
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47
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m_pPalette = NULL;
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48
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m_pGreyscalePalette = NULL;
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49
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m_nAvgTimePerFrame = 0;
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50
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m_bFormatChanged = tTrue;
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m_bFlipVertical = tFalse;
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m_bConfigureBitsPerPixel = tTrue; // if false, always use default depth
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}
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54
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//*****************************************************************************
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cDSInput::~cDSInput()
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{
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Stop();
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Release();
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//::CoUninitialize();
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}
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//*****************************************************************************
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bool cDSInput::Release()
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{
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CleanUp();
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if (m_nCOMIntances > 0)
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{
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m_nCOMIntances--;
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if (m_nCOMIntances == 0)
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{
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::CoUninitialize();
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m_nCOMIntances = 0;
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}
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}
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return true;
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}
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//*****************************************************************************
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bool cDSInput::Open(const char* strDeviceName,
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HWND hWnd,
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86
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IDSStreamEventSink* psEventSink,
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87
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tDeviceConfig* pDeviceConfig,
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int nGraphEventMsg,
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HRESULT* phr)
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{
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if (m_nCOMIntances <= 0)
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{
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::CoInitialize(NULL);
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m_nCOMIntances++;
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}
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HRESULT hr = S_OK;
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99
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m_nRequestedSubFormat = pDeviceConfig->nSubFormat;
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m_nSubFormatIdx = 0;
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memcpy(&m_sRequestedFormat, &pDeviceConfig->sBitmapFormat, sizeof(m_sRequestedFormat));
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103
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if (m_bConfigureBitsPerPixel)
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{
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switch (pDeviceConfig->sBitmapFormat.nBitsPerPixel)
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{
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case 8:
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m_RequestedSubtype = MEDIASUBTYPE_RGB8;
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break;
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case 16:
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m_RequestedSubtype = MEDIASUBTYPE_RGB555;
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break;
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case 24:
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m_RequestedSubtype = MEDIASUBTYPE_RGB24;
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break;
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case 32:
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m_RequestedSubtype = MEDIASUBTYPE_RGB32;
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break;
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default:
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// bits per pixel not specified - use any available
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memset(&m_RequestedSubtype, 0, sizeof(m_RequestedSubtype));
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break;
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}
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}
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m_bFormatChanged = tTrue;
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if (nGraphEventMsg == 0)
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{
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nGraphEventMsg = WM_USER + 0x123;
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}
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m_psStreamEventSink = psEventSink;
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m_hWnd = hWnd;
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if (m_hWnd == NULL)
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{
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if (!m_oBlindWnd.Create(this, nGraphEventMsg))
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{
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return false;
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}
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144
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m_hWnd = m_oBlindWnd.GetHandle();
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}
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IBaseFilter* pSourceFilter = NULL;
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::IPin* pPinSource_Output = NULL;
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::IPin* pPinRenderer_Input = NULL;
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bool l_bFailure = false;
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154
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// filter graph / graph builder
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hr = CoCreateInstance(CLSID_FilterGraph, NULL, CLSCTX_INPROC, IID_IFilterGraph2, (void **)&m_pGraph);
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if (FAILED(hr))
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{
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LOG_ERROR(GetDSError(hr));
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l_bFailure = true;
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}
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162
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if (!l_bFailure)
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{
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hr = CoCreateInstance(CLSID_CaptureGraphBuilder2,
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NULL, CLSCTX_INPROC,
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IID_ICaptureGraphBuilder2,
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(void **) &m_pCaptureGraphBuilder);
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}
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170
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if (FAILED(hr))
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{
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LOG_ERROR(GetDSError(hr));
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l_bFailure = true;
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}
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177
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if (!l_bFailure)
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{
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hr = m_pCaptureGraphBuilder->SetFiltergraph(m_pGraph);
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180
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if (FAILED(hr))
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{
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LOG_ERROR(GetDSError(hr));
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l_bFailure = true;
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}
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}
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m_bMonikerSetToGraph = tFalse;
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if (!l_bFailure)
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{
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hr = FindCaptureDevice(strDeviceName, &pSourceFilter);
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if (hr != S_OK)
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{
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// Don't display a message because FindCaptureDevice will handle it
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l_bFailure = true;
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}
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}
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if (!l_bFailure && !m_bMonikerSetToGraph)
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{
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hr = m_pGraph->AddFilter(pSourceFilter, L"VideoCapture");
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if (FAILED(hr))
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{
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/*
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DisplayText(TEXT("Couldn't add the capture filter to the graph! hr=0x%x\r\n\r\n")
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TEXT("If you have a working video capture device, please make sure\r\n")
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TEXT("that it is connected and is not being used by another application.\r\n\r\n")
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TEXT("The sample will now close."), hr);
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*/
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LOG_ERROR(GetDSError(hr));
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l_bFailure = true;
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}
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}
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else if (m_bMonikerSetToGraph)
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{
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//to to set name to filter
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}
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if (!l_bFailure)
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{
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#if (SET_STREAM_CONFIGURATION)
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hr = S_OK;
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tResult nErr = ConfigureCaptureDevice(pSourceFilter, pDeviceConfig, &hr);
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if (IS_FAILED(nErr))
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{
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LOG_ERROR(GetDSError(hr));
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l_bFailure = true;
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}
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#endif
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}
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// renderer
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if (!l_bFailure)
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{
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m_pRenderer = new cDSRenderer(this);
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if (m_pRenderer == NULL)
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{
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l_bFailure = true;
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}
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}
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241
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if (!l_bFailure)
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{
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243
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hr = m_pGraph->AddFilter(m_pRenderer, L"ADTFDefaultRenderer");
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244
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if (FAILED(hr))
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{
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LOG_ERROR(GetDSError(hr));
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l_bFailure = true;
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}
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else
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{
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251
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pPinRenderer_Input = GetPin(m_pRenderer, PINDIR_INPUT);
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252
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if (pPinRenderer_Input == NULL)
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253
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{
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254
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l_bFailure = true;
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255
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}
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256
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}
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257
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}
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258
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259
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if (!l_bFailure)
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260
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{
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261
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// Render the capture or preview pin on the video capture filter
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262
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hr = m_pCaptureGraphBuilder->RenderStream (&PIN_CATEGORY_CAPTURE,
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263
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&MEDIATYPE_Video,
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264
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pSourceFilter,
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265
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NULL,
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266
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m_pRenderer);
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267
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if (FAILED(hr))
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268
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{
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269
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hr = m_pCaptureGraphBuilder->RenderStream (&PIN_CATEGORY_PREVIEW,
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270
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&MEDIATYPE_Video,
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271
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pSourceFilter,
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272
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NULL,
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273
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m_pRenderer);
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274
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if (FAILED(hr))
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275
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{
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276
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// device may already be in use by another application
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277
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LOG_ERROR(GetDSError(hr));
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278
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l_bFailure = true;
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279
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}
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280
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}
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281
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}
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282
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283
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if (!l_bFailure)
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284
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{
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285
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// get controller interfaces
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286
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m_pGraph->QueryInterface(IID_IMediaEventEx, (void **)&m_pEvent);
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287
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if (m_pEvent != NULL)
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288
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{
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289
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m_pEvent->SetNotifyWindow((OAHWND)m_hWnd, nGraphEventMsg, 0);
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290
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}
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291
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292
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/*
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293
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AM_MEDIA_TYPE mediaType;
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294
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hr = pPinRenderer_Input->ConnectionMediaType(&mediaType);
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295
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if (IS_FAILED(UpdateFormat(&mediaType)))
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296
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{
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297
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memset(&m_sBitmapFormat, 0, sizeof(m_sBitmapFormat));
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298
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}
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299
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FreeMediaType(mediaType);
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300
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*/
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301
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}
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302
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303
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RELEASE_IF_NOT_NULL(pPinSource_Output);
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304
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RELEASE_IF_NOT_NULL(pPinRenderer_Input);
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305
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RELEASE_IF_NOT_NULL(pSourceFilter);
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306
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307
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// get media control interface
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308
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if (!l_bFailure)
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309
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{
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310
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hr = m_pGraph->QueryInterface(IID_IMediaControl, (void **)&m_pMediaControl);
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311
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if (FAILED(hr))
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312
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{
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313
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LOG_ERROR(GetDSError(hr));
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314
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l_bFailure = true;
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315
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}
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316
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}
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317
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318
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if (phr != NULL)
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319
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{
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320
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*phr = hr;
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321
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}
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|
322
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323
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if (l_bFailure)
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324
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{
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325
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Release();
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326
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327
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return false;
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328
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}
|
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329
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|
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330
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return true;
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|
331
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}
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|
332
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333
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::IPin* cDSInput::GetPin(IBaseFilter *pFilter, PIN_DIRECTION PinDir)
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334
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{
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335
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BOOL bFound = FALSE;
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336
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IEnumPins *pEnum;
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337
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::IPin *pPin;
|
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338
|
|
|
339
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HRESULT hr = pFilter->EnumPins(&pEnum);
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|
340
|
if (FAILED(hr))
|
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341
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{
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|
342
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return NULL;
|
|
343
|
}
|
|
344
|
|
|
345
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while(pEnum->Next(1, &pPin, 0) == S_OK)
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346
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{
|
|
347
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PIN_DIRECTION PinDirThis;
|
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348
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pPin->QueryDirection(&PinDirThis);
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349
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if (bFound = (PinDir == PinDirThis))
|
|
350
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break;
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|
351
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pPin->Release();
|
|
352
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}
|
|
353
|
|
|
354
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pEnum->Release();
|
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355
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return (bFound ? pPin : NULL);
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|
356
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}
|
|
357
|
|
|
358
|
//*****************************************************************************
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|
359
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HRESULT cDSInput::FindCaptureDevice(const char* strDeviceName, IBaseFilter ** ppSrcFilter)
|
|
360
|
{
|
|
361
|
IBaseFilter* pSrc = NULL;
|
|
362
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IMoniker* pMoniker = NULL;
|
|
363
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IEnumMoniker* pClassEnum = NULL;
|
|
364
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ICreateDevEnum* pDevEnum = NULL;
|
|
365
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bool l_bFailure = false;
|
|
366
|
char strDeviceDisplayName[512];
|
|
367
|
|
|
368
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if (ppSrcFilter == NULL || strDeviceName == NULL)
|
|
369
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{
|
|
370
|
return E_POINTER;
|
|
371
|
}
|
|
372
|
|
|
373
|
*ppSrcFilter = NULL;
|
|
374
|
|
|
375
|
cString strDeviceSpec(strDeviceName);
|
|
376
|
strDeviceSpec.Trim();
|
|
377
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strDeviceSpec.ToLower();
|
|
378
|
tUInt32 nNameSeparator = (tUInt32)strDeviceSpec.Find(':');
|
|
379
|
if (nNameSeparator != UINT32_MAX)
|
|
380
|
{
|
|
381
|
strDeviceSpec.Delete(0, nNameSeparator + 1);
|
|
382
|
}
|
|
383
|
|
|
384
|
tInt nDeviceNum = -1;
|
|
385
|
if (strDeviceSpec.Compare("default") == 0)
|
|
386
|
{
|
|
387
|
nDeviceNum = 1;
|
|
388
|
strDeviceSpec = "";
|
|
389
|
}
|
|
390
|
else
|
|
391
|
{
|
|
392
|
nDeviceNum = atoi(strDeviceSpec.GetPtr());
|
|
393
|
if (nDeviceNum == 0 && strDeviceSpec.Compare("0") != 0)
|
|
394
|
{
|
|
395
|
nDeviceNum = -1;
|
|
396
|
}
|
|
397
|
else
|
|
398
|
{
|
|
399
|
strDeviceSpec = "";
|
|
400
|
}
|
|
401
|
}
|
|
402
|
|
|
403
|
// Create the system device enumerator
|
|
404
|
HRESULT hr = CoCreateInstance(CLSID_SystemDeviceEnum,
|
|
405
|
NULL,
|
|
406
|
CLSCTX_INPROC,
|
|
407
|
IID_ICreateDevEnum,
|
|
408
|
(void **) &pDevEnum);
|
|
409
|
if (FAILED(hr))
|
|
410
|
{
|
|
411
|
LOG_ERROR(GetDSError(hr));
|
|
412
|
l_bFailure = true;
|
|
413
|
}
|
|
414
|
|
|
415
|
if (!l_bFailure)
|
|
416
|
{
|
|
417
|
// Create an enumerator for the video capture devices
|
|
418
|
hr = pDevEnum->CreateClassEnumerator (CLSID_VideoInputDeviceCategory,
|
|
419
|
&pClassEnum,
|
|
420
|
0);
|
|
421
|
if (FAILED(hr))
|
|
422
|
{
|
|
423
|
LOG_ERROR(GetDSError(hr));
|
|
424
|
l_bFailure = true;
|
|
425
|
}
|
|
426
|
}
|
|
427
|
|
|
428
|
if (!l_bFailure)
|
|
429
|
{
|
|
430
|
// If there are no enumerators for the requested type, then
|
|
431
|
// CreateClassEnumerator will succeed, but pClassEnum will be NULL.
|
|
432
|
if (pClassEnum == NULL)
|
|
433
|
{
|
|
434
|
LOG_ERROR("No video capture device was detected.");
|
|
435
|
l_bFailure = true;
|
|
436
|
hr = ERROR_NOT_READY;
|
|
437
|
}
|
|
438
|
}
|
|
439
|
|
|
440
|
bool bDeviceFound = false;
|
|
441
|
|
|
442
|
if (!l_bFailure)
|
|
443
|
{
|
|
444
|
// Process the device list.
|
|
445
|
// Note that if the Next() call succeeds but there are no monikers,
|
|
446
|
// it will return S_FALSE (which is not a failure). Therefore, we
|
|
447
|
// check that the return code is S_OK instead of using SUCCEEDED() macro.
|
|
448
|
|
|
449
|
ULONG cFetched;
|
|
450
|
pClassEnum->Reset();
|
|
451
|
|
|
452
|
tInt nDeviceIdx = 1;
|
|
453
|
LPOLESTR wstrMonikerName = NULL;
|
|
454
|
|
|
455
|
while (!bDeviceFound && (S_OK == pClassEnum->Next (1, &pMoniker, &cFetched)))
|
|
456
|
{
|
|
457
|
// get a human-readable string for evaluation during debugging
|
|
458
|
strcpy_s(strDeviceDisplayName, 512, "Failed to read friendly name!");
|
|
459
|
|
|
460
|
IPropertyBag *pBag = NULL;
|
|
461
|
hr = pMoniker->BindToStorage(0, 0, IID_IPropertyBag, (void **)&pBag);
|
|
462
|
if (SUCCEEDED(hr))
|
|
463
|
{
|
|
464
|
VARIANT var;
|
|
465
|
VariantInit(&var);
|
|
466
|
hr = pBag->Read(L"FriendlyName", &var, NULL);
|
|
467
|
if (SUCCEEDED(hr))
|
|
468
|
{
|
|
469
|
WideCharToMultiByte(CP_ACP, 0, var.bstrVal, -1,
|
|
470
|
strDeviceDisplayName, sizeof(strDeviceDisplayName),
|
|
471
|
NULL, NULL);
|
|
472
|
}
|
|
473
|
|
|
474
|
VariantClear(&var);
|
|
475
|
pBag->Release();
|
|
476
|
}
|
|
477
|
|
|
478
|
LOG_INFO(cString::Format("Found device #%d: \"%s\"", nDeviceIdx, strDeviceDisplayName));
|
|
479
|
|
|
480
|
if (!strDeviceSpec.IsEmpty())
|
|
481
|
{
|
|
482
|
cString strFoundDeviceNameLowerCase(strDeviceDisplayName);
|
|
483
|
strFoundDeviceNameLowerCase.ToLower();
|
|
484
|
if (strFoundDeviceNameLowerCase.Find(strDeviceSpec) != -1)
|
|
485
|
{
|
|
486
|
// found device specified by name
|
|
487
|
bDeviceFound = tTrue;
|
|
488
|
}
|
|
489
|
}
|
|
490
|
else if (nDeviceNum == nDeviceIdx)
|
|
491
|
{
|
|
492
|
// found device specified by number
|
|
493
|
bDeviceFound = tTrue;
|
|
494
|
}
|
|
495
|
|
|
496
|
if (bDeviceFound)
|
|
497
|
{
|
|
498
|
hr = pMoniker->BindToObject(0, 0, IID_IBaseFilter, (void**) &pSrc);
|
|
499
|
if (FAILED(hr))
|
|
500
|
{
|
|
501
|
//try to add with moniker to graph
|
|
502
|
hr = m_pGraph->AddSourceFilterForMoniker(pMoniker, 0, L"VideoCapture", &pSrc);
|
|
503
|
if (FAILED(hr))
|
|
504
|
{
|
|
505
|
LOG_ERROR("Device not ready");
|
|
506
|
l_bFailure = tTrue;
|
|
507
|
}
|
|
508
|
}
|
|
509
|
if (!l_bFailure)
|
|
510
|
{
|
|
511
|
LOG_INFO(cString::Format("Using device #%d: \"%s\"",
|
|
512
|
nDeviceIdx, strDeviceDisplayName));
|
|
513
|
}
|
|
514
|
}
|
|
515
|
|
|
516
|
nDeviceIdx++;
|
|
517
|
RELEASE_IF_NOT_NULL(pMoniker);
|
|
518
|
}
|
|
519
|
}
|
|
520
|
|
|
521
|
if (!l_bFailure && !bDeviceFound)
|
|
522
|
{
|
|
523
|
LOG_ERROR("Device not found \"" + cString(strDeviceName) + "\"");
|
|
524
|
l_bFailure = true;
|
|
525
|
hr = ERROR_BAD_UNIT;
|
|
526
|
}
|
|
527
|
|
|
528
|
RELEASE_IF_NOT_NULL(pMoniker);
|
|
529
|
RELEASE_IF_NOT_NULL(pClassEnum);
|
|
530
|
RELEASE_IF_NOT_NULL(pDevEnum);
|
|
531
|
|
|
532
|
// Copy the found filter pointer to the output parameter.
|
|
533
|
// Do NOT Release() the reference, since it will still be used
|
|
534
|
// by the calling function.
|
|
535
|
if (!l_bFailure)
|
|
536
|
{
|
|
537
|
*ppSrcFilter = pSrc;
|
|
538
|
}
|
|
539
|
|
|
540
|
return hr;
|
|
541
|
}
|
|
542
|
|
|
543
|
//*****************************************************************************
|
|
544
|
bool cDSInput::Play()
|
|
545
|
{
|
|
546
|
m_bFormatChanged = tTrue;
|
|
547
|
|
|
548
|
// Run the graph
|
|
549
|
IVideoWindow *pVidWin = NULL;
|
|
550
|
|
|
551
|
if (m_pMediaControl != NULL)
|
|
552
|
{
|
|
553
|
OAFilterState eFilterState ;
|
|
554
|
HRESULT hr = m_pMediaControl->GetState(INFINITE, &eFilterState );
|
|
555
|
if (FAILED(hr))
|
|
556
|
{
|
|
557
|
return false;
|
|
558
|
}
|
|
559
|
|
|
560
|
if (eFilterState == State_Running)
|
|
561
|
{
|
|
562
|
hr = m_pMediaControl->Stop();
|
|
563
|
}
|
|
564
|
|
|
565
|
if (m_pEvent != NULL)
|
|
566
|
{
|
|
567
|
long levCode = 0;
|
|
568
|
m_pEvent->WaitForCompletion(INFINITE, &levCode);
|
|
569
|
}
|
|
570
|
|
|
571
|
m_pMediaControl->Run();
|
|
572
|
|
|
573
|
return true;
|
|
574
|
}
|
|
575
|
|
|
576
|
return false;
|
|
577
|
}
|
|
578
|
|
|
579
|
//*****************************************************************************
|
|
580
|
bool cDSInput::Pause()
|
|
581
|
{
|
|
582
|
if (m_pMediaControl != NULL)
|
|
583
|
{
|
|
584
|
m_pMediaControl->Pause();
|
|
585
|
|
|
586
|
return true;
|
|
587
|
}
|
|
588
|
|
|
589
|
return false;
|
|
590
|
}
|
|
591
|
|
|
592
|
//*****************************************************************************
|
|
593
|
bool cDSInput::Stop()
|
|
594
|
{
|
|
595
|
if (m_pMediaControl != NULL)
|
|
596
|
{
|
|
597
|
LONGLONG pos = 0;
|
|
598
|
HRESULT hr = m_pMediaControl->Stop();
|
|
599
|
|
|
600
|
if (m_pEvent != NULL)
|
|
601
|
{
|
|
602
|
long levCode = 0;
|
|
603
|
m_pEvent->WaitForCompletion(INFINITE, &levCode);
|
|
604
|
}
|
|
605
|
|
|
606
|
return true;
|
|
607
|
}
|
|
608
|
|
|
609
|
return false;
|
|
610
|
}
|
|
611
|
|
|
612
|
//*****************************************************************************
|
|
613
|
void cDSInput::CleanUp()
|
|
614
|
{
|
|
615
|
long levCode = 0;
|
|
616
|
|
|
617
|
Stop();
|
|
618
|
|
|
619
|
if (m_pEvent != NULL)
|
|
620
|
{
|
|
621
|
m_pEvent->WaitForCompletion(INFINITE, &levCode);
|
|
622
|
}
|
|
623
|
|
|
624
|
if (m_pMediaControl != NULL)
|
|
625
|
{
|
|
626
|
m_pMediaControl->Release();
|
|
627
|
m_pMediaControl = NULL;
|
|
628
|
}
|
|
629
|
|
|
630
|
if (m_pEvent != NULL)
|
|
631
|
{
|
|
632
|
m_pEvent->Release();
|
|
633
|
m_pEvent = NULL;
|
|
634
|
}
|
|
635
|
|
|
636
|
if (m_pRenderer != NULL)
|
|
637
|
{
|
|
638
|
// delete m_pRenderer; --> don't delete: Graph->Release() will do that!
|
|
639
|
m_pRenderer = NULL;
|
|
640
|
}
|
|
641
|
|
|
642
|
if (m_pCaptureGraphBuilder != NULL)
|
|
643
|
{
|
|
644
|
m_pCaptureGraphBuilder->Release();
|
|
645
|
m_pCaptureGraphBuilder = NULL;
|
|
646
|
}
|
|
647
|
if (m_pGraph != NULL)
|
|
648
|
{
|
|
649
|
m_pGraph->Release();
|
|
650
|
m_pGraph = NULL;
|
|
651
|
}
|
|
652
|
|
|
653
|
m_oBlindWnd.Release();
|
|
654
|
|
|
655
|
FreePalette();
|
|
656
|
}
|
|
657
|
|
|
658
|
//*****************************************************************************
|
|
659
|
bool cDSInput::UpdateStatus()
|
|
660
|
{
|
|
661
|
if (m_pEvent == NULL)
|
|
662
|
{
|
|
663
|
return FALSE;
|
|
664
|
}
|
|
665
|
|
|
666
|
long lEventCode = 0;
|
|
667
|
LONG_PTR lParam1 = 0;
|
|
668
|
LONG_PTR lParam2 = 0;
|
|
669
|
|
|
670
|
HRESULT hr = m_pEvent->GetEvent(&lEventCode, &lParam1, &lParam2, INFINITE);
|
|
671
|
if (FAILED(hr))
|
|
672
|
{
|
|
673
|
return false;
|
|
674
|
}
|
|
675
|
|
|
676
|
if (lEventCode == EC_COMPLETE)
|
|
677
|
{
|
|
678
|
Stop();
|
|
679
|
}
|
|
680
|
else if (lEventCode == EC_USERABORT)
|
|
681
|
{
|
|
682
|
Stop();
|
|
683
|
}
|
|
684
|
|
|
685
|
if (m_psStreamEventSink != NULL)
|
|
686
|
{
|
|
687
|
m_psStreamEventSink->OnStreamEvent(lEventCode, (tInt)lParam1, (tInt)lParam2);
|
|
688
|
}
|
|
689
|
|
|
690
|
m_pEvent->FreeEventParams(lEventCode, lParam1, lParam2);
|
|
691
|
|
|
692
|
return true;
|
|
693
|
}
|
|
694
|
|
|
695
|
//*****************************************************************************
|
|
696
|
HRESULT cDSInput::GetEvent(long *lEventCode, long *lParam1, long *lParam2, long msTimeout)
|
|
697
|
{
|
|
698
|
if (m_pEvent == NULL)
|
|
699
|
{
|
|
700
|
return E_NOTIMPL;
|
|
701
|
}
|
|
702
|
|
|
703
|
LONG_PTR* lpParam1 = (LONG_PTR*)&lParam1;
|
|
704
|
LONG_PTR* lpParam2 = (LONG_PTR*)&lParam2;
|
|
705
|
|
|
706
|
HRESULT hr = m_pEvent->GetEvent(lEventCode, lpParam1, lpParam2, msTimeout);
|
|
707
|
if (SUCCEEDED(hr))
|
|
708
|
{
|
|
709
|
m_pEvent->FreeEventParams(*lEventCode, *lParam1, *lParam2);
|
|
710
|
}
|
|
711
|
|
|
712
|
return hr;
|
|
713
|
}
|
|
714
|
|
|
715
|
//*****************************************************************************
|
|
716
|
void cDSInput::OnGraphEvent()
|
|
717
|
{
|
|
718
|
UpdateStatus();
|
|
719
|
}
|
|
720
|
|
|
721
|
//*****************************************************************************
|
|
722
|
HWND cDSInput::GetHWnd()
|
|
723
|
{
|
|
724
|
return m_hWnd;
|
|
725
|
}
|
|
726
|
|
|
727
|
//*****************************************************************************
|
|
728
|
bool cDSInput::DoModal()
|
|
729
|
{
|
|
730
|
return m_oBlindWnd.DoModal();
|
|
731
|
}
|
|
732
|
|
|
733
|
//*****************************************************************************
|
|
734
|
bool cDSInput::ProcessMessages(int nWait)
|
|
735
|
{
|
|
736
|
return m_oBlindWnd.ProcessMessages(nWait);
|
|
737
|
}
|
|
738
|
|
|
739
|
//*****************************************************************************
|
|
740
|
HRESULT cDSInput::OnQueryMediaType(const CMediaType* pMediaType)
|
|
741
|
{
|
|
742
|
if (pMediaType == NULL)
|
|
743
|
{
|
|
744
|
return E_POINTER;
|
|
745
|
}
|
|
746
|
|
|
747
|
if (pMediaType->majortype != MEDIATYPE_Video)
|
|
748
|
{
|
|
749
|
return S_FALSE;
|
|
750
|
}
|
|
751
|
|
|
752
|
if (m_bConfigureBitsPerPixel &&
|
|
753
|
m_sRequestedFormat.nBitsPerPixel != 0)
|
|
754
|
{
|
|
755
|
// check if specified subtype is available
|
|
756
|
if (m_RequestedSubtype != pMediaType->subtype)
|
|
757
|
{
|
|
758
|
return S_FALSE;
|
|
759
|
}
|
|
760
|
}
|
|
761
|
else if (pMediaType->subtype != MEDIASUBTYPE_RGB8 &&
|
|
762
|
pMediaType->subtype != MEDIASUBTYPE_RGB555 &&
|
|
763
|
pMediaType->subtype != MEDIASUBTYPE_RGB565 &&
|
|
764
|
pMediaType->subtype != MEDIASUBTYPE_RGB24 &&
|
|
765
|
pMediaType->subtype != MEDIASUBTYPE_RGB32)
|
|
766
|
{
|
|
767
|
// none of the supported formats is available
|
|
768
|
return S_FALSE;
|
|
769
|
}
|
|
770
|
|
|
771
|
const BITMAPINFOHEADER* pBitmapInfoHeader = NULL;
|
|
772
|
const VIDEOINFOHEADER* pInfo = NULL;
|
|
773
|
const VIDEOINFOHEADER2* pInfo2 = NULL;
|
|
774
|
|
|
775
|
if (pMediaType->formattype == FORMAT_VideoInfo2)
|
|
776
|
{
|
|
777
|
pInfo2 = (VIDEOINFOHEADER2*) pMediaType->pbFormat;
|
|
778
|
pBitmapInfoHeader = &pInfo2->bmiHeader;
|
|
779
|
}
|
|
780
|
else if (pMediaType->formattype == FORMAT_VideoInfo)
|
|
781
|
{
|
|
782
|
pInfo = (VIDEOINFOHEADER*) pMediaType->pbFormat;
|
|
783
|
pBitmapInfoHeader = &pInfo->bmiHeader;
|
|
784
|
}
|
|
785
|
else
|
|
786
|
{
|
|
787
|
return S_FALSE;
|
|
788
|
}
|
|
789
|
|
|
790
|
if (m_bConfigureBitsPerPixel)
|
|
791
|
{
|
|
792
|
// check specified attributes
|
|
793
|
if (m_sRequestedFormat.nBitsPerPixel != 0 &&
|
|
794
|
m_sRequestedFormat.nBitsPerPixel != pBitmapInfoHeader->biBitCount )
|
|
795
|
{
|
|
796
|
return S_FALSE;
|
|
797
|
}
|
|
798
|
|
|
799
|
if (m_sRequestedFormat.nBitsPerPixel == 8 &&
|
|
800
|
m_sRequestedFormat.nPixelFormat == cImage::PF_GREYSCALE_8 &&
|
|
801
|
pBitmapInfoHeader->biClrUsed != 0)
|
|
802
|
{
|
|
803
|
// don't accept palette for greyscale images
|
|
804
|
return S_FALSE;
|
|
805
|
}
|
|
806
|
}
|
|
807
|
|
|
808
|
// check sub-format idx if specified
|
|
809
|
m_nSubFormatIdx++;
|
|
810
|
if (m_nRequestedSubFormat != 0 &&
|
|
811
|
m_nSubFormatIdx != m_nRequestedSubFormat)
|
|
812
|
{
|
|
813
|
return S_FALSE;
|
|
814
|
}
|
|
815
|
|
|
816
|
return S_OK;
|
|
817
|
}
|
|
818
|
|
|
819
|
//*****************************************************************************
|
|
820
|
HRESULT cDSInput::OnSetMediaType(const CMediaType* pMediaType)
|
|
821
|
{
|
|
822
|
if (pMediaType == NULL)
|
|
823
|
{
|
|
824
|
return E_POINTER;
|
|
825
|
}
|
|
826
|
|
|
827
|
if (IS_FAILED(UpdateFormat(pMediaType)))
|
|
828
|
{
|
|
829
|
return S_FALSE;
|
|
830
|
}
|
|
831
|
|
|
832
|
return S_OK;
|
|
833
|
}
|
|
834
|
|
|
835
|
tResult cDSInput::ConfigureCaptureDevice(IBaseFilter* pObject,
|
|
836
|
tDeviceConfig* pDeviceConfig,
|
|
837
|
HRESULT* phr)
|
|
838
|
{
|
|
839
|
LOG_INFO("ConfigureCaptureDevice start");
|
|
840
|
|
|
841
|
RETURN_IF_POINTER_NULL(pDeviceConfig);
|
|
842
|
|
|
843
|
IAMStreamConfig* pStreamConfig = NULL;
|
|
844
|
HRESULT hr = m_pCaptureGraphBuilder->FindInterface(&PIN_CATEGORY_CAPTURE,
|
|
845
|
NULL,
|
|
846
|
pObject,
|
|
847
|
IID_IAMStreamConfig,
|
|
848
|
(tVoid**) &pStreamConfig);
|
|
849
|
if (IS_FAILED(hr))
|
|
850
|
{
|
|
851
|
if (phr != NULL)
|
|
852
|
{
|
|
853
|
*phr = hr;
|
|
854
|
}
|
|
855
|
LOG_ERROR(GetDSError(hr));
|
|
856
|
LOG_ERROR("FindInterface failed");
|
|
857
|
RETURN_ERROR(ERR_NOT_SUPPORTED);
|
|
858
|
}
|
|
859
|
|
|
860
|
VIDEO_STREAM_CONFIG_CAPS sConfigCaps;
|
|
861
|
memset(&sConfigCaps, 0, sizeof(sConfigCaps));
|
|
862
|
|
|
863
|
int iCount = 0;
|
|
864
|
int iSize = 0;
|
|
865
|
hr = pStreamConfig->GetNumberOfCapabilities(&iCount, &iSize);
|
|
866
|
if (sizeof(sConfigCaps) != iSize)
|
|
867
|
{
|
|
868
|
pStreamConfig->Release();
|
|
869
|
if (phr != NULL)
|
|
870
|
{
|
|
871
|
*phr = hr;
|
|
872
|
}
|
|
873
|
LOG_ERROR(GetDSError(hr));
|
|
874
|
LOG_ERROR("The video stream capture config that will be returned has not the right size! "
|
|
875
|
"Can not ask for VIDEO_STREAM_CONFIG_CAPS in DirectShow (capabilities)");
|
|
876
|
RETURN_ERROR(ERR_FAILED);
|
|
877
|
}
|
|
878
|
|
|
879
|
AM_MEDIA_TYPE* pMediaType = NULL;
|
|
880
|
VIDEOINFOHEADER* pInfo = NULL;
|
|
881
|
VIDEOINFOHEADER2* pInfo2 = NULL;
|
|
882
|
BITMAPINFOHEADER* pBitmapInfoHeader = NULL;
|
|
883
|
|
|
884
|
LOG_INFO(cString::Format("Iterate capabilities. Count == %d", iCount));
|
|
885
|
for (tInt nIdx = 0; nIdx < iCount; nIdx++)
|
|
886
|
{
|
|
887
|
hr = pStreamConfig->GetStreamCaps(nIdx, &pMediaType, reinterpret_cast<BYTE*>(&sConfigCaps));
|
|
888
|
if (IS_FAILED(hr))
|
|
889
|
{
|
|
890
|
LOG_ERROR(GetDSError(hr));
|
|
891
|
LOG_ERROR("Could not find valid stream type");
|
|
892
|
pStreamConfig->Release();
|
|
893
|
if (phr != NULL)
|
|
894
|
{
|
|
895
|
*phr = hr;
|
|
896
|
}
|
|
897
|
RETURN_ERROR(ERR_NOT_SUPPORTED);
|
|
898
|
}
|
|
899
|
|
|
900
|
if ((pMediaType->formattype == FORMAT_VideoInfo2 ||
|
|
901
|
pMediaType->formattype == FORMAT_VideoInfo) &&
|
|
902
|
(pMediaType->subtype == MEDIASUBTYPE_RGB8 ||
|
|
903
|
pMediaType->subtype == MEDIASUBTYPE_RGB555 ||
|
|
904
|
pMediaType->subtype == MEDIASUBTYPE_RGB565 ||
|
|
905
|
pMediaType->subtype == MEDIASUBTYPE_RGB24 ||
|
|
906
|
pMediaType->subtype == MEDIASUBTYPE_RGB32 ||
|
|
907
|
pMediaType->subtype == MEDIASUBTYPE_MJPG ))
|
|
908
|
{
|
|
909
|
LOG_INFO("MediaType found!");
|
|
910
|
break;
|
|
911
|
}
|
|
912
|
}
|
|
913
|
|
|
914
|
if (pMediaType->formattype == FORMAT_VideoInfo2)
|
|
915
|
{
|
|
916
|
pInfo2 = (VIDEOINFOHEADER2*) pMediaType->pbFormat;
|
|
917
|
pInfo2->AvgTimePerFrame = (10000000) / (tInt64) pDeviceConfig->nFrameRate;
|
|
918
|
pBitmapInfoHeader = &pInfo2->bmiHeader;
|
|
919
|
LOG_INFO("FORMAT_VideoInfo2");
|
|
920
|
}
|
|
921
|
else if (pMediaType->formattype == FORMAT_VideoInfo)
|
|
922
|
{
|
|
923
|
pInfo = (VIDEOINFOHEADER*) pMediaType->pbFormat;
|
|
924
|
pInfo->AvgTimePerFrame = (10000000) / (tInt64) pDeviceConfig->nFrameRate;
|
|
925
|
pBitmapInfoHeader = &pInfo->bmiHeader;
|
|
926
|
LOG_INFO("FORMAT_VideoInfo");
|
|
927
|
}
|
|
928
|
else if (pMediaType->formattype == FORMAT_MPEG2Video)
|
|
929
|
{
|
|
930
|
LOG_ERROR("unhandled formattype: FORMAT_MPEG2Video");
|
|
931
|
RETURN_ERROR(ERR_NOT_SUPPORTED);
|
|
932
|
}
|
|
933
|
else if (pMediaType->formattype == FORMAT_None)
|
|
934
|
{
|
|
935
|
LOG_ERROR("unhandled formattype: FORMAT_None");
|
|
936
|
RETURN_ERROR(ERR_NOT_SUPPORTED);
|
|
937
|
}
|
|
938
|
else if (pMediaType->formattype == FORMAT_DolbyAC3)
|
|
939
|
{
|
|
940
|
LOG_ERROR("unhandled formattype: FORMAT_DolbyAC3");
|
|
941
|
RETURN_ERROR(ERR_NOT_SUPPORTED);
|
|
942
|
}
|
|
943
|
else if (pMediaType->formattype == FORMAT_MPEG2Audio)
|
|
944
|
{
|
|
945
|
LOG_ERROR("unhandled formattype: FORMAT_MPEG2Audio");
|
|
946
|
RETURN_ERROR(ERR_NOT_SUPPORTED);
|
|
947
|
}
|
|
948
|
else if (pMediaType->formattype == FORMAT_DVD_LPCMAudio)
|
|
949
|
{
|
|
950
|
LOG_ERROR("unhandled formattype: FORMAT_DVD_LPCMAudio");
|
|
951
|
RETURN_ERROR(ERR_NOT_SUPPORTED);
|
|
952
|
}
|
|
953
|
else
|
|
954
|
{
|
|
955
|
|
|
956
|
RETURN_ERROR(ERR_UNKNOWN_FORMAT);
|
|
957
|
}
|
|
958
|
|
|
959
|
LOG_INFO(cString::Format("BitmapFormat.Width = %d", pDeviceConfig->sBitmapFormat.nWidth));
|
|
960
|
if (pDeviceConfig->sBitmapFormat.nWidth != 0)
|
|
961
|
{
|
|
962
|
pBitmapInfoHeader->biWidth = pDeviceConfig->sBitmapFormat.nWidth;
|
|
963
|
}
|
|
964
|
|
|
965
|
LOG_INFO(cString::Format("BitmapFormat.Height = %d", pDeviceConfig->sBitmapFormat.nHeight));
|
|
966
|
if (pDeviceConfig->sBitmapFormat.nHeight != 0)
|
|
967
|
{
|
|
968
|
pBitmapInfoHeader->biHeight = pDeviceConfig->sBitmapFormat.nHeight;
|
|
969
|
}
|
|
970
|
|
|
971
|
LOG_INFO(cString::Format("BitmapFormat.BitsPerPixel = %d", pDeviceConfig->sBitmapFormat.nBitsPerPixel));
|
|
972
|
if (m_bConfigureBitsPerPixel &&
|
|
973
|
pDeviceConfig->sBitmapFormat.nBitsPerPixel != 0)
|
|
974
|
{
|
|
975
|
//pMediaType->subtype = m_RequestedSubtype;
|
|
976
|
pBitmapInfoHeader->biBitCount = (WORD) pDeviceConfig->sBitmapFormat.nBitsPerPixel;
|
|
977
|
if (pBitmapInfoHeader->biBitCount <= 8)
|
|
978
|
{
|
|
979
|
pBitmapInfoHeader->biClrUsed = 0;
|
|
980
|
pBitmapInfoHeader->biClrImportant = 0;
|
|
981
|
}
|
|
982
|
}
|
|
983
|
|
|
984
|
// set the sample size and image size. round the image width up to a DWORD boundary.
|
|
985
|
pBitmapInfoHeader->biSizeImage = (((pBitmapInfoHeader->biWidth + 3) & ~3) *
|
|
986
|
abs(pBitmapInfoHeader->biHeight) *
|
|
987
|
pBitmapInfoHeader->biBitCount) / 8;
|
|
988
|
|
|
989
|
pStreamConfig->SetFormat(pMediaType);
|
|
990
|
|
|
991
|
DeleteMediaType(pMediaType);
|
|
992
|
pStreamConfig->Release();
|
|
993
|
|
|
994
|
LOG_INFO("ConfigureCaptureDevice end");
|
|
995
|
RETURN_NOERROR;
|
|
996
|
}
|
|
997
|
|
|
998
|
//*****************************************************************************
|
|
999
|
tResult cDSInput::UpdateFormat(const AM_MEDIA_TYPE* pMediaType)
|
|
1000
|
{
|
|
1001
|
RETURN_IF_POINTER_NULL(pMediaType);
|
|
1002
|
|
|
1003
|
if (pMediaType->majortype != MEDIATYPE_Video)
|
|
1004
|
{
|
|
1005
|
RETURN_ERROR(ERR_INVALID_ARG);
|
|
1006
|
}
|
|
1007
|
|
|
1008
|
if (pMediaType->subtype != MEDIASUBTYPE_RGB8 &&
|
|
1009
|
pMediaType->subtype != MEDIASUBTYPE_RGB555 &&
|
|
1010
|
pMediaType->subtype != MEDIASUBTYPE_RGB565 &&
|
|
1011
|
pMediaType->subtype != MEDIASUBTYPE_RGB24 &&
|
|
1012
|
pMediaType->subtype != MEDIASUBTYPE_RGB32)
|
|
1013
|
{
|
|
1014
|
RETURN_ERROR(ERR_NOT_SUPPORTED);
|
|
1015
|
}
|
|
1016
|
|
|
1017
|
BITMAPINFOHEADER* pBitmapInfoHeader = NULL;
|
|
1018
|
RGBQUAD* pPalette = NULL;
|
|
1019
|
long nPaletteSize = 0;
|
|
1020
|
tInt16 nPixelFormat = cImage::PF_BGR_888;
|
|
1021
|
|
|
1022
|
if (pMediaType->subtype == MEDIASUBTYPE_RGB8)
|
|
1023
|
{
|
|
1024
|
nPixelFormat = cImage::PF_RGB_8;
|
|
1025
|
}
|
|
1026
|
else if (pMediaType->subtype == MEDIASUBTYPE_RGB555)
|
|
1027
|
{
|
|
1028
|
nPixelFormat = cImage::PF_BGR_555;
|
|
1029
|
}
|
|
1030
|
else if (pMediaType->subtype == MEDIASUBTYPE_RGB565)
|
|
1031
|
{
|
|
1032
|
nPixelFormat = cImage::PF_BGR_565;
|
|
1033
|
}
|
|
1034
|
else if (pMediaType->subtype == MEDIASUBTYPE_RGB24)
|
|
1035
|
{
|
|
1036
|
nPixelFormat = cImage::PF_RGB_888;
|
|
1037
|
}
|
|
1038
|
else if (pMediaType->subtype == MEDIASUBTYPE_RGB32)
|
|
1039
|
{
|
|
1040
|
nPixelFormat = cImage::PF_RGBA_8888;
|
|
1041
|
}
|
|
1042
|
|
|
1043
|
if (pMediaType->formattype == FORMAT_VideoInfo2 &&
|
|
1044
|
pMediaType->cbFormat >= sizeof(VIDEOINFOHEADER2))
|
|
1045
|
{
|
|
1046
|
VIDEOINFOHEADER2* pInfo = (VIDEOINFOHEADER2*) pMediaType->pbFormat;
|
|
1047
|
|
|
1048
|
m_nAvgTimePerFrame = pInfo->AvgTimePerFrame;
|
|
1049
|
|
|
1050
|
pBitmapInfoHeader = &pInfo->bmiHeader;
|
|
1051
|
|
|
1052
|
if (pBitmapInfoHeader->biBitCount <= 8 && pMediaType->cbFormat > sizeof(VIDEOINFOHEADER2))
|
|
1053
|
{
|
|
1054
|
pPalette = (RGBQUAD*) (((BYTE*) pMediaType->pbFormat) + sizeof(VIDEOINFOHEADER2));
|
|
1055
|
nPaletteSize = (pMediaType->cbFormat - sizeof(VIDEOINFOHEADER2)) / sizeof(RGBQUAD);
|
|
1056
|
}
|
|
1057
|
|
|
1058
|
if (pBitmapInfoHeader->biSizeImage == 0)
|
|
1059
|
{
|
|
1060
|
pBitmapInfoHeader->biSizeImage = pMediaType->lSampleSize;
|
|
1061
|
}
|
|
1062
|
|
|
1063
|
RETURN_IF_FAILED(UpdateFormat(pBitmapInfoHeader, pPalette, nPaletteSize, nPixelFormat));
|
|
1064
|
}
|
|
1065
|
else if (pMediaType->formattype == FORMAT_VideoInfo &&
|
|
1066
|
pMediaType->cbFormat >= sizeof(VIDEOINFOHEADER))
|
|
1067
|
{
|
|
1068
|
VIDEOINFOHEADER* pInfo = (VIDEOINFOHEADER*) pMediaType->pbFormat;
|
|
1069
|
|
|
1070
|
m_nAvgTimePerFrame = pInfo->AvgTimePerFrame;
|
|
1071
|
|
|
1072
|
pBitmapInfoHeader = &pInfo->bmiHeader;
|
|
1073
|
|
|
1074
|
if (pBitmapInfoHeader->biBitCount <= 8 &&
|
|
1075
|
pMediaType->cbFormat > sizeof(VIDEOINFOHEADER))
|
|
1076
|
{
|
|
1077
|
pPalette = (RGBQUAD*) (((BYTE*) pMediaType->pbFormat) + sizeof(VIDEOINFOHEADER));
|
|
1078
|
nPaletteSize = (pMediaType->cbFormat - sizeof(VIDEOINFOHEADER)) / sizeof(RGBQUAD);
|
|
1079
|
}
|
|
1080
|
|
|
1081
|
if (pBitmapInfoHeader->biSizeImage == 0)
|
|
1082
|
{
|
|
1083
|
pBitmapInfoHeader->biSizeImage = pMediaType->lSampleSize;
|
|
1084
|
}
|
|
1085
|
|
|
1086
|
RETURN_IF_FAILED(UpdateFormat(pBitmapInfoHeader, pPalette, nPaletteSize, nPixelFormat));
|
|
1087
|
}
|
|
1088
|
else
|
|
1089
|
{
|
|
1090
|
m_nAvgTimePerFrame = 25;
|
|
1091
|
RETURN_IF_FAILED(UpdateFormat(pBitmapInfoHeader, pPalette, nPaletteSize, nPixelFormat));
|
|
1092
|
}
|
|
1093
|
|
|
1094
|
RETURN_NOERROR;
|
|
1095
|
}
|
|
1096
|
|
|
1097
|
//*****************************************************************************
|
|
1098
|
tResult cDSInput::UpdateFormat(BITMAPINFOHEADER* pBitmapInfoHeader,
|
|
1099
|
RGBQUAD* pPalette,
|
|
1100
|
long nPaletteSize,
|
|
1101
|
tInt16 nPixelFormat)
|
|
1102
|
{
|
|
1103
|
memset(&m_sBitmapFormat, 0, sizeof(m_sBitmapFormat));
|
|
1104
|
|
|
1105
|
m_sBitmapFormat.nWidth = pBitmapInfoHeader->biWidth;
|
|
1106
|
m_sBitmapFormat.nHeight = pBitmapInfoHeader->biHeight;
|
|
1107
|
if (m_sBitmapFormat.nHeight < 0)
|
|
1108
|
{
|
|
1109
|
m_sBitmapFormat.nHeight = -m_sBitmapFormat.nHeight;
|
|
1110
|
m_bFlipVertical = tFalse;
|
|
1111
|
}
|
|
1112
|
else
|
|
1113
|
{
|
|
1114
|
m_bFlipVertical = tTrue;
|
|
1115
|
}
|
|
1116
|
|
|
1117
|
m_sBitmapFormat.nBitsPerPixel = pBitmapInfoHeader->biBitCount;
|
|
1118
|
m_sBitmapFormat.nBytesPerLine = (pBitmapInfoHeader->biWidth * m_sBitmapFormat.nBitsPerPixel) / 8;
|
|
1119
|
|
|
1120
|
m_sBitmapFormat.nSize = pBitmapInfoHeader->biSizeImage;
|
|
1121
|
if (m_sBitmapFormat.nSize < 0 && m_bFlipVertical)
|
|
1122
|
{
|
|
1123
|
m_sBitmapFormat.nSize = - m_sBitmapFormat.nSize;
|
|
1124
|
}
|
|
1125
|
|
|
1126
|
m_sBitmapFormat.nPixelFormat = nPixelFormat;
|
|
1127
|
if (m_sBitmapFormat.nBitsPerPixel <= 8 && nPaletteSize == 0)
|
|
1128
|
{
|
|
1129
|
m_sBitmapFormat.nPixelFormat = cImage::PF_GREYSCALE_8;
|
|
1130
|
}
|
|
1131
|
|
|
1132
|
RETURN_IF_FAILED(AllocPalette(nPaletteSize, tFalse));
|
|
1133
|
|
|
1134
|
if (m_pPalette != NULL)
|
|
1135
|
{
|
|
1136
|
memcpy(m_pPalette, pPalette, nPaletteSize * sizeof(RGBQUAD));
|
|
1137
|
for (tInt nIdx=0; nIdx<nPaletteSize; nIdx++)
|
|
1138
|
{
|
|
1139
|
m_pGreyscalePalette[nIdx] = cImage::Brightness(m_pPalette[nIdx].nRed, m_pPalette[nIdx].nGreen, m_pPalette[nIdx].nBlue);
|
|
1140
|
}
|
|
1141
|
}
|
|
1142
|
|
|
1143
|
RETURN_NOERROR;
|
|
1144
|
}
|
|
1145
|
|
|
1146
|
|
|
1147
|
//*****************************************************************************
|
|
1148
|
tResult cDSInput::AllocPalette(tInt nPaletteSize, tBool bForce)
|
|
1149
|
{
|
|
1150
|
if (nPaletteSize == m_sBitmapFormat.nPaletteSize &&
|
|
1151
|
m_pPalette != NULL &&
|
|
1152
|
!bForce)
|
|
1153
|
{
|
|
1154
|
RETURN_NOERROR;
|
|
1155
|
}
|
|
1156
|
|
|
1157
|
FreePalette();
|
|
1158
|
|
|
1159
|
if (nPaletteSize > 0)
|
|
1160
|
{
|
|
1161
|
m_pPalette = new tColor[nPaletteSize];
|
|
1162
|
if (m_pPalette == NULL)
|
|
1163
|
{
|
|
1164
|
RETURN_ERROR(ERR_MEMORY);
|
|
1165
|
}
|
|
1166
|
|
|
1167
|
m_pGreyscalePalette = new tUInt8[nPaletteSize];
|
|
1168
|
if (m_pGreyscalePalette == NULL)
|
|
1169
|
{
|
|
1170
|
RETURN_ERROR(ERR_MEMORY);
|
|
1171
|
}
|
|
1172
|
|
|
1173
|
m_sBitmapFormat.nPaletteSize = nPaletteSize;
|
|
1174
|
}
|
|
1175
|
|
|
1176
|
RETURN_NOERROR;
|
|
1177
|
}
|
|
1178
|
|
|
1179
|
//*****************************************************************************
|
|
1180
|
tResult cDSInput::FreePalette()
|
|
1181
|
{
|
|
1182
|
if (m_pPalette != NULL)
|
|
1183
|
{
|
|
1184
|
delete [] m_pPalette;
|
|
1185
|
m_pPalette = NULL;
|
|
1186
|
}
|
|
1187
|
|
|
1188
|
if (m_pGreyscalePalette != NULL)
|
|
1189
|
{
|
|
1190
|
delete [] m_pGreyscalePalette;
|
|
1191
|
m_pGreyscalePalette = NULL;
|
|
1192
|
}
|
|
1193
|
|
|
1194
|
m_sBitmapFormat.nPaletteSize = 0;
|
|
1195
|
|
|
1196
|
RETURN_NOERROR;
|
|
1197
|
}
|
|
1198
|
|
|
1199
|
//*****************************************************************************
|
|
1200
|
tBitmapFormat* cDSInput::GetBitmapFormat()
|
|
1201
|
{
|
|
1202
|
return &m_sBitmapFormat;
|
|
1203
|
}
|
|
1204
|
|
|
1205
|
//*****************************************************************************
|
|
1206
|
tInt64 cDSInput::GetAvgTimePerFrame()
|
|
1207
|
{
|
|
1208
|
return m_nAvgTimePerFrame / 10;
|
|
1209
|
}
|
|
1210
|
|
|
1211
|
//*****************************************************************************
|
|
1212
|
HRESULT cDSInput::OnNewFrame(::IMediaSample* pMediaSample)
|
|
1213
|
{
|
|
1214
|
tTimeStamp tmCurrent = cHighResTimer::GetTime();
|
|
1215
|
|
|
1216
|
HRESULT hr = S_OK;
|
|
1217
|
|
|
1218
|
AM_MEDIA_TYPE* pMediaType;
|
|
1219
|
hr = pMediaSample->GetMediaType(&pMediaType);
|
|
1220
|
if (hr == S_OK && pMediaType != NULL)
|
|
1221
|
{
|
|
1222
|
if (IS_OK(UpdateFormat(pMediaType)))
|
|
1223
|
{
|
|
1224
|
m_bFormatChanged = tTrue;
|
|
1225
|
}
|
|
1226
|
|
|
1227
|
DeleteMediaType(pMediaType);
|
|
1228
|
}
|
|
1229
|
|
|
1230
|
long nSampleSize = pMediaSample->GetSize();
|
|
1231
|
|
|
1232
|
BYTE* pData = NULL;
|
|
1233
|
hr = pMediaSample->GetPointer(&pData);
|
|
1234
|
|
|
1235
|
if (m_psStreamEventSink != NULL)
|
|
1236
|
{
|
|
1237
|
REFERENCE_TIME nStartTime, nEndTime;
|
|
1238
|
hr = pMediaSample->GetTime(&nStartTime, &nEndTime);
|
|
1239
|
|
|
1240
|
tTimeStamp nTime;
|
|
1241
|
|
|
1242
|
if (FAILED(hr))
|
|
1243
|
{
|
|
1244
|
if (VFW_S_NO_STOP_TIME == hr)
|
|
1245
|
{
|
|
1246
|
nTime = (nStartTime + m_nAvgTimePerFrame / 2) / 10;
|
|
1247
|
}
|
|
1248
|
else if (VFW_E_SAMPLE_TIME_NOT_SET == hr)
|
|
1249
|
{
|
|
1250
|
nTime = tmCurrent - m_nAvgTimePerFrame / 20;
|
|
1251
|
}
|
|
1252
|
else
|
|
1253
|
{
|
|
1254
|
return hr;
|
|
1255
|
}
|
|
1256
|
}
|
|
1257
|
else
|
|
1258
|
{
|
|
1259
|
nTime = ((tInt64) nStartTime + (tInt64) nEndTime) / 20;
|
|
1260
|
}
|
|
1261
|
|
|
1262
|
if (m_bFormatChanged)
|
|
1263
|
{
|
|
1264
|
m_psStreamEventSink->OnNewFrame(nTime,
|
|
1265
|
pData,
|
|
1266
|
nSampleSize,
|
|
1267
|
&m_sBitmapFormat,
|
|
1268
|
m_pPalette,
|
|
1269
|
m_bFlipVertical);
|
|
1270
|
m_bFormatChanged = tFalse;
|
|
1271
|
}
|
|
1272
|
else
|
|
1273
|
{
|
|
1274
|
m_psStreamEventSink->OnNewFrame(nTime,
|
|
1275
|
pData,
|
|
1276
|
nSampleSize,
|
|
1277
|
NULL,
|
|
1278
|
NULL,
|
|
1279
|
m_bFlipVertical);
|
|
1280
|
}
|
|
1281
|
}
|
|
1282
|
|
|
1283
|
return S_OK;
|
|
1284
|
}
|