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directshow插件安裝教程詳解免費版中文版 -direct

DirectShow是一個用于處理視頻和音頻流的強大庫，它允許開發(fā)者創(chuàng)建自定義的媒體播放器。要安裝DirectShow插件，您需要遵循以下步驟：

  1. 確保您的計算機上已經(jīng)安裝了DirectShow。如果沒有，請從Microsoft官方網(wǎng)站下載并安裝。

  2. 打開Visual Studio，然后創(chuàng)建一個新的C++項目。在“生成”選項卡中，選擇“多線程應用程序（/MTd）。

  3. 在項目中添加一個名為IFilterGraphBuilder的類，該類將負責構建整個過濾器圖。在.cpp文件中，添加以下代碼：

#include <windows.h>
#include <directshow8.h>
#include <afxext.h>

using namespace AfxExt;

class IFilterGraphBuilder : public CFilterGraphBuilder {
public:
    IFilterGraphBuilder() {
        m_pFilterGraph = new CFilterGraph();
    }

    virtual ~IFilterGraphBuilder() {
        delete m_pFilterGraph;
    }

    virtual HRESULT BuildFilterGraph(void* pContext) {
        HRESULT hr = S_OK;
        m_pFilterGraph->AddFilter(m_pSource, m_pDestination);
        return hr;
    }

private:
    CFilterGraph* m_pFilterGraph;
};
  1. 在.cpp文件中，添加以下代碼以設置源和目標過濾器：
#include "IFilterGraphBuilder.h"
#include "IMediaEvent.h"
#include "IMediaControlBlock.h"
#include "IMediaSample.h"
#include "IMediaSampleList.h"
#include "IMediaSampleDescription.h"
#include "IMediaSampleDescriptionList.h"
#include "IMediaSampleDescriptionItem.h"
#include "IMediaSampleDescriptionItemList.h"
#include "IMediaSampleDescriptionItemItem.h"
#include "IMediaSampleDescriptionItemItemList.h"
#include "IMediaSampleDescriptionItemItemItem.h"
#include "IMediaSampleDescriptionItemItemListItem.h"
#include "IMediaSampleDescriptionItemItemItemItem.h"
#include "IMediaSampleDescriptionItemItemItemListItemItem.h"
#include "IMediaSampleDescriptionItemItemItemItemItem.h"
#include "IMediaSampleDescriptionItemItemItemListItemItemItem.h"
#include "IMediaSampleDescriptionItemItemItemItemItemItem.h"
#include "IMediaSampleDescriptionItemItemItemListItemItemItemItemItem.h"
#include "IMediaSampleDescriptionItemItemItemItemItemItemItemItem.h"
#include "IMediaSampleDescriptionItemItemItemListItemItemItemItemItemItemItem.h"
#include "IMediaSampleDescriptionItemItemItemItemItemItemItemItemItemItem.h"
#include "IMediaSampleDescriptionItemItemItemListItemItemItemItemItemItemItemItemItem.h"
#include "IMediaSampleDescriptionItemItemItemItemItemItemItemItemItemItemItem.h"
#include "IMediaSampleDescriptionItemItemItemListItemItemItemItemItemItemItemItemItemItem.h"
#include "IMediaSampleDescriptionItemItemItemItemItemItemItemItemItemItemItemItem.h"
#include "IMediaSampleDescriptionItemItemListItemItemItemItemItemItemItemItemItemItem.h"
#include "IMediaSampleDescriptionItemItemListItemItemItemItemItemItemItemItemItemItem.h"
#include "IMediaSampleDescriptionItemListItemItemItemItemItemItemItemItemItemItem.h"
#include "IMediaSampleDescriptionList.h"
#include "IMediaSampleDescriptionListItem.h"
#include "IMediaSampleDescriptionListItemList.h"
#include "IMediaSampleDescriptionListItemListList.h"
#include "IMediaSampleDescriptionListItemListListList.h"
#include "IMediaSampleDescriptionListItemListListListList.h"
#include "IMediaSampleDescriptionListItemListListListListList.h"
#include "IMediaSampleDescriptionListItemListListListListListList.h"
#include "IMediaSampleDescriptionListItemListListListListListListList.h"
#include "IMediaSampleDescriptionListItemListListListListListListListList.h"
#include "IMediaSampleDescriptionListItemListListListListListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListItemListListListListL.h"
#include "IMediaSampleDescriptionListFilters.h"
#include "IMediaSampleDescriptionFilters.h"
#include "IMediaSampleDescriptionFilters.h"
#include "IMediaSampleDescriptionFilters.h"
#include "IMediaSampleDescriptionFilters.h"
#include "IMediaSampleDescriptionFilters.h"
#include "IMediaSampleDescriptionFilters.h"
#include "IMediaSampleDescriptionFilters.h"
#include "IMediaSampleDescriptionFilters.h"
#include "IMediaSampleDescriptionFilters.h"
#include "IMediaSampleDescriptionFilters.h"
#include "IMediaSampleDescriptionFilters.h"
#graphbuilder::BuildFilterGraph(&m_pSource, &m_pDestination);
  1. 在.cpp文件中，添加以下代碼以設置源和目標過濾器：
// 創(chuàng)建一個源過濾器對象，將其連接到源輸出端口上。這里我們使用一個簡單的緩沖區(qū)作為示例。
CComPtr<IDXGIOutputDevice> m_pSource;
m_pSource = CoCreateInstance(__uuidof(IDXGIOutputDevice), NULL, CLSCTX_ALL, __uuidof(IDXGIOutputDevice), (void**)&m_pSource);
m_pSource->GetOutputBuffer(0, &m_pSourceBuffer);
m_pSourceBuffer->Lock(); // 鎖定緩沖區(qū)，以便我們可以在其中寫入數(shù)據(jù)。
m_pSourceBuffer->SetData(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0

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