C++ DirectShow手动图形内存泄漏

C++ DirectShow手动图形内存泄漏,c++,directshow,C++,Directshow,下面是简单的捕获和渲染图形的手动构建。 CaptureFilter->SmartTee->(预览)->AVI解压缩器->渲染 所有这些都工作正常,工作时可获得140Mb。 在我停止渲染并释放所有剩余的过滤器和IGraphBuilder 50Mb之后 再次构建相同的过滤器-除ram中的140+50=190Mb外,其他所有功能均可用。 释放后剩余100Mb。 一次又一次。 我尝试了SmartPtr、ComPtr、Release()的任何可以想象的组合,但没有效果。 看来我做错了什么事:( #包括 #

下面是简单的捕获和渲染图形的手动构建。
CaptureFilter->SmartTee->(预览)->AVI解压缩器->渲染
所有这些都工作正常,工作时可获得140Mb。
在我停止渲染并释放所有剩余的过滤器和IGraphBuilder 50Mb之后
再次构建相同的过滤器-除ram中的140+50=190Mb外,其他所有功能均可用。
释放后剩余100Mb。
一次又一次。
我尝试了SmartPtr、ComPtr、Release()的任何可以想象的组合,但没有效果。
看来我做错了什么事:(

#包括
#包括
#包括
#包括
#pragma注释(lib,“strmids”)
#定义SafeRelease(Com){if(Com!=nullptr){Com->Release();Com=nullptr;};};
void GetCaptureSource(std::wstring友好名称,IBaseFilter**ppCaptureFilter);
void GetPin(IPin**ppPin,IBaseFilter*pFilter,std::string direction\u str,std::wstring name\u wstr=L“”);
int main()
{
HRESULT hr=共同初始化(0);
//获取捕获过滤器
IBaseFilter*p_CaptureFilter;
GetCaptureSource(L“USB3.0捕获视频”和p_CaptureFilter);
//获取捕获Pin码
IPin*p_CaptureOutPin;
GetPin(&p_CaptureOutPin,p_CaptureFilter,“out”);
//获取智能T形过滤器
IBaseFilter*p_智能T恤;
hr=CoCreateInstance(CLSID_SmartTee,NULL,CLSCTX_INPROC_SERVER,IID_PPV_ARGS(&p_SmartTee));
//获得智能T形别针
IPin*p_智能输入PIN;
GetPin(&p_SmartInputPin,p_SmartTee,“in”);
IPin*p_智能输出PIN;
GetPin(&p_SmartOutputPin,p_SmartTee,“输出”,L“预览”);
//获取解压缩过滤器
IBaseFilter*p_AVI减压器;
hr=CoCreateInstance(CLSID_AVIDec,NULL,CLSCTX_INPROC_SERVER,IID_PPV_ARGS(&p_AviDecompressor));
//获取Avi解压缩器引脚
IPin*p_AvInputPin;
GetPin(&p_-AvInputPin,p_-AviDecompressor,“in”);
IPin*p_AviOutputPin;
GetPin(&p_AviOutputPin,p_aviodecompressor,“out”);
//获取视频渲染过滤器
IBaseFilter*p_VideoRender;
hr=CoCreateInstance(CLSID\u VideoRenderer,NULL,CLSCTX\u INPROC\u SERVER,IID\u PPV\u ARGS(&p\u VideoRender));
//获取视频渲染Pin
IPin*p_RenderPin;
GetPin(&p_RenderPin,p_VideoRender,“in”);
//创建过滤器图形管理器。
IGraphBuilder*p_图形生成器;
hr=CoCreateInstance(CLSID_FilterGraph,0,CLSCTX_INPROC_服务器,IID_IGraphBuilder,(void**)和p_GraphBuilder);
//添加捕获过滤器
hr=p_GraphBuilder->AddFilter(p_CaptureFilter,L“CaptureFilter”);
//添加智能T形过滤器
hr=p_GraphBuilder->AddFilter(p_SmartTee,L“SmartTee”);
//添加解压缩过滤器
hr=p_GraphBuilder->AddFilter(p_Avi解压缩器,L“Avi解压缩器”);
//添加视频渲染过滤器
hr=p_GraphBuilder->AddFilter(p_VideoRender,L“视频渲染”);
//连接引脚
hr=p_GraphBuilder->Connect(p_CaptureOutPin,p_SmartInputPin);
hr=p_GraphBuilder->Connect(p_SmartOutputPin,p_AviInputPin);
hr=p_图形生成器->连接(p_AviOutputPin,p_RenderPin);
//获取接口
IVideoWindow*p\u视频窗口;
hr=p_GraphBuilder->QueryInterface(IID_IVideoWindow,(void**)和p_VideoWindow);
IMediaControl*p_MediaControl;
hr=p_GraphBuilder->QueryInterface(IID_IMediaControl,(void**)和p_MediaControl);
//释放所有参考销
安全释放(p_CaptureOutPin);
安全释放(p_SmartInputPin);
安全释放(p_SmartOutputPin);
安全释放(p_AvInputPin);
安全释放(p_AviOutputPin);
安全释放(p_RenderPin);
//释放所有过滤器引用
安全释放(p_CaptureFilter);
安全释放(p_SmartTee);
安全释放(减压器);
安全释放(p_VideoRender);
std::cout Run();
视频窗口->放置标题(L“渲染窗口”);
p_VideoWindow->SetWindowPosition(20、20、1920、1080);
LONG lStyle=GetWindowLong(0,GWL_样式);
lStyle&=~(WS_字幕| WS_厚框| WS_最小化| WS_最大化| WS_系统菜单);
p_VideoWindow->put_WindowStyle(lStyle);
//有窗户,一切都很好
std::cout Stop();
hr=p\u VideoWindow->put\u Visible(假);
hr=p\u VideoWindow->put\u Owner(空);
//安全释放(p_MediaControl);
//安全释放(p_VideoWindow);
安全释放(p_GraphBuilder);
coninitialize();
std::cout Next(1,&p_capturemonike,0);
如果(hr!=S_OK)中断;
IPropertyBag*p_PropBag;
hr=p_CaptureMonike->BindToStorage(0,0,IID_IPropertyBag,(void**)和p_PropBag);
变异变量;
方差(var);
方差线性化(&var);
hr=p_PropBag->Read(L“FriendlyName”,&var,0);
安全释放(p_PropBag);
std::wstring输入\名字对象\友好\名称=std::wstring(var.bstrVal);
if(输入\名字对象\友好\名称==友好\名称){
is_capture_find=真;
hr=p_capturemonike->BindToObject(0,0,IID_IBaseFilter,(void**)ppCaptureFilter);
安全释放(p_CaptureMonike);
打破
}
安全释放(p_CaptureMonike);
}虽然(正确);
如果(is_capture_finded==false)MessageBoxW(0,L“capture NOT founded.”,L“ERROR”,MB_OK);
安全释放(p_输入监视器);
返回;
}
void GetPin(IPin**ppPin,IBaseFilter*pFilter,std::string direction\u str,std::wstring name\u wstr){
HRESULT-hr;
IEnumPins*pEnumPins;
hr=pFilter->EnumPins(&pEnumPins);
做{
IPin*pNextPin;
hr=pEnumPins->Next(1,&pNextPin,0);
如果(hr!=S_OK)中断;
引脚信息引脚信息;
hr=pNextPin->QueryPinInfo(&pin_-inf);
bool是感兴趣的pin=true;
如果((方向str==“in”)&&(pin\u inf.dir==PINDIR\u输出))是感兴趣的pin\u=false;
如果((方向str==“out”)&&(pin\u inf.dir==PINDIR\u INPUT))是感兴趣的pin\u=false;
如果((name_wstr!=L“”)和(&(name_wstr!=std::wstring(pin_inf.achName)))是感兴趣的pin=false;
如果(是否感兴趣){
*ppPin=pNextPin;
安全释放(pNextPin);
打破
}
安全释放(pNextPin);
}虽然(正确);
更安全的
#include <windows.h>
#include <dshow.h>
#include <iostream>
#include <string>

#pragma comment(lib, "strmiids")

#define SafeRelease(Com) {if (Com!=nullptr){Com->Release(); Com=nullptr;};};

void GetCaptureSource(std::wstring friendly_name, IBaseFilter** ppCaptureFilter);

void GetPin(IPin** ppPin, IBaseFilter* pFilter, std::string direction_str, std::wstring name_wstr = L"");


int  main()
{

    HRESULT hr = CoInitialize(0);

    //Get Capture Filter
    IBaseFilter* p_CaptureFilter;
    GetCaptureSource(L"USB3.0 Capture Video", &p_CaptureFilter);

    //Get Capture Pin
    IPin* p_CaptureOutPin;
    GetPin(&p_CaptureOutPin, p_CaptureFilter, "out");

    //Get Smart Tee Filter
    IBaseFilter* p_SmartTee;
    hr = CoCreateInstance(CLSID_SmartTee, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&p_SmartTee));

    //Get Smart Tee Pins
    IPin* p_SmartInputPin;
    GetPin(&p_SmartInputPin, p_SmartTee, "in");
    IPin* p_SmartOutputPin;
    GetPin(&p_SmartOutputPin, p_SmartTee, "out", L"Preview");

    //Get AviDecompressorFilter
    IBaseFilter* p_AviDecompressor;
    hr = CoCreateInstance(CLSID_AVIDec, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&p_AviDecompressor));

    //Get Avi Decompressor Pins
    IPin* p_AviInputPin;
    GetPin(&p_AviInputPin, p_AviDecompressor, "in");
    IPin* p_AviOutputPin;
    GetPin(&p_AviOutputPin, p_AviDecompressor, "out");

    //Get Video Render Filter
    IBaseFilter* p_VideoRender;
    hr = CoCreateInstance(CLSID_VideoRenderer, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&p_VideoRender));

    //Get Video Render Pin
    IPin* p_RenderPin;
    GetPin(&p_RenderPin, p_VideoRender, "in");

    // Create the Filter Graph Manager.
    IGraphBuilder* p_GraphBuilder;
    hr = CoCreateInstance(CLSID_FilterGraph, 0, CLSCTX_INPROC_SERVER, IID_IGraphBuilder, (void**)&p_GraphBuilder);

    //Add Capture Filter
    hr = p_GraphBuilder->AddFilter(p_CaptureFilter, L"CaptureFilter");

    //Add Smart Tee Filter
    hr = p_GraphBuilder->AddFilter(p_SmartTee, L"SmartTee");

    //Add Decompressor Filter
    hr = p_GraphBuilder->AddFilter(p_AviDecompressor, L"Avi Decompressor");

    //Add Video Render Filter
    hr = p_GraphBuilder->AddFilter(p_VideoRender, L"Video Render");

    //Connect Pins
    hr = p_GraphBuilder->Connect(p_CaptureOutPin, p_SmartInputPin);
    hr = p_GraphBuilder->Connect(p_SmartOutputPin, p_AviInputPin);
    hr = p_GraphBuilder->Connect(p_AviOutputPin, p_RenderPin);

    //Get Interfaces
    IVideoWindow* p_VideoWindow;
    hr = p_GraphBuilder->QueryInterface(IID_IVideoWindow, (void **)&p_VideoWindow);
    IMediaControl* p_MediaControl;
    hr = p_GraphBuilder->QueryInterface(IID_IMediaControl, (void **)&p_MediaControl);

    //Release all pins references
    SafeRelease(p_CaptureOutPin);
    SafeRelease(p_SmartInputPin);
    SafeRelease(p_SmartOutputPin);
    SafeRelease(p_AviInputPin);
    SafeRelease(p_AviOutputPin);
    SafeRelease(p_RenderPin);

    //Release all filter references
    SafeRelease(p_CaptureFilter);
    SafeRelease(p_SmartTee);
    SafeRelease(p_AviDecompressor);
    SafeRelease(p_VideoRender);

    std::cout << "Press any key to START\n";
    std::system("pause");
    hr = p_MediaControl->Run();

    p_VideoWindow->put_Caption(L"render_window");
    p_VideoWindow->SetWindowPosition(20, 20, 1920, 1080);

    LONG lStyle = GetWindowLong(0, GWL_STYLE);
    lStyle &= ~(WS_CAPTION | WS_THICKFRAME | WS_MINIMIZE | WS_MAXIMIZE | WS_SYSMENU);
    p_VideoWindow->put_WindowStyle(lStyle);

    //There Window apears and ALL GOOD
    std::cout << "Press any key to STOP\n";
    std::system("pause");


    hr = p_MediaControl->Stop();

    hr = p_VideoWindow->put_Visible(OAFALSE);
    hr = p_VideoWindow->put_Owner(NULL);

    //SafeRelease(p_MediaControl);
    //SafeRelease(p_VideoWindow);
    SafeRelease(p_GraphBuilder);

    CoUninitialize();

    std::cout << "Press any key to QUIT\n";
    std::system("pause");
    std::cout << "\n\n";
    //system("pause");
    return 0;


}



void GetCaptureSource(std::wstring friendly_name, IBaseFilter** ppCaptureFilter) {

    HRESULT hr;

    ICreateDevEnum* devs;
    hr = CoCreateInstance(CLSID_SystemDeviceEnum, 0, CLSCTX_INPROC, IID_ICreateDevEnum, (void **)&devs);

    IEnumMoniker* p_InputMonikersEnum;
    hr = devs->CreateClassEnumerator(CLSID_VideoInputDeviceCategory, &p_InputMonikersEnum, 0);
    SafeRelease(devs);


    bool is_capture_finded = false;
    do {
        IMoniker* p_CaptureMoniker;
        hr = p_InputMonikersEnum->Next(1, &p_CaptureMoniker, 0);
        if (hr != S_OK) break;
        IPropertyBag* p_PropBag;
        hr = p_CaptureMoniker->BindToStorage(0, 0, IID_IPropertyBag, (void**)&p_PropBag);
        VARIANT var;
        VariantInit(&var);
        VariantClear(&var);
        hr = p_PropBag->Read(L"FriendlyName", &var, 0);
        SafeRelease(p_PropBag);
        std::wstring input_moniker_friendly_name = std::wstring(var.bstrVal);
        if (input_moniker_friendly_name == friendly_name) {
            is_capture_finded = true;
            hr = p_CaptureMoniker->BindToObject(0, 0, IID_IBaseFilter, (void**)ppCaptureFilter);
            SafeRelease(p_CaptureMoniker);
            break;
        }
        SafeRelease(p_CaptureMoniker);
    } while (true);
    if (is_capture_finded == false) MessageBoxW(0, L"Capture NOT founded.", L"ERROR", MB_OK);

    SafeRelease(p_InputMonikersEnum);

    return;
}


void GetPin(IPin** ppPin, IBaseFilter* pFilter, std::string direction_str, std::wstring name_wstr) {

    HRESULT hr;
    IEnumPins* pEnumPins;
    hr = pFilter->EnumPins(&pEnumPins);
    do {
        IPin* pNextPin;
        hr = pEnumPins->Next(1, &pNextPin, 0);
        if (hr != S_OK) break;
        PIN_INFO pin_inf;
        hr = pNextPin->QueryPinInfo(&pin_inf);
        bool is_pin_of_interest = true;
        if ((direction_str == "in") && (pin_inf.dir == PINDIR_OUTPUT)) is_pin_of_interest = false;
        if ((direction_str == "out") && (pin_inf.dir == PINDIR_INPUT)) is_pin_of_interest = false;
        if ((name_wstr != L"") && (name_wstr != std::wstring(pin_inf.achName))) is_pin_of_interest = false;
        if (is_pin_of_interest) {
            *ppPin = pNextPin;
            SafeRelease(pNextPin);
            break;
        }
        SafeRelease(pNextPin);
    } while (true);
    SafeRelease(pEnumPins);
    return;
}
#include <windows.h>
#include <dshow.h>
#include <iostream>
#include <string>

#pragma comment(lib, "strmiids")

#define SafeRelease(Com) {if (Com!=nullptr){Com->Release(); Com=nullptr;};};

void GetCaptureSource(std::wstring friendly_name, IBaseFilter** ppCaptureFilter);

void GetPin(IPin** ppPin, IBaseFilter* pFilter, std::string direction_str, std::wstring name_wstr = L"");


int  main()
{

    HRESULT hr = CoInitialize(0);

    //Get Capture Filter
    IBaseFilter* p_CaptureFilter;
    GetCaptureSource(L"USB3.0 Capture Video", &p_CaptureFilter);

    //Get Capture Pin
    IPin* p_CaptureOutPin;
    GetPin(&p_CaptureOutPin, p_CaptureFilter, "out");

    //Get Smart Tee Filter
    IBaseFilter* p_SmartTee;
    hr = CoCreateInstance(CLSID_SmartTee, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&p_SmartTee));

    //Get Smart Tee Pins
    IPin* p_SmartInputPin;
    GetPin(&p_SmartInputPin, p_SmartTee, "in");
    IPin* p_SmartOutputPin;
    GetPin(&p_SmartOutputPin, p_SmartTee, "out", L"Preview");

    //Get AviDecompressorFilter
    IBaseFilter* p_AviDecompressor;
    hr = CoCreateInstance(CLSID_AVIDec, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&p_AviDecompressor));

    //Get Avi Decompressor Pins
    IPin* p_AviInputPin;
    GetPin(&p_AviInputPin, p_AviDecompressor, "in");
    IPin* p_AviOutputPin;
    GetPin(&p_AviOutputPin, p_AviDecompressor, "out");

    //Get Video Render Filter
    IBaseFilter* p_VideoRender;
    hr = CoCreateInstance(CLSID_VideoRenderer, NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&p_VideoRender));

    //Get Video Render Pin
    IPin* p_RenderPin;
    GetPin(&p_RenderPin, p_VideoRender, "in");

    // Create the Filter Graph Manager.
    IGraphBuilder* p_GraphBuilder;
    hr = CoCreateInstance(CLSID_FilterGraph, 0, CLSCTX_INPROC_SERVER, IID_IGraphBuilder, (void**)&p_GraphBuilder);

    //Add Capture Filter
    hr = p_GraphBuilder->AddFilter(p_CaptureFilter, L"CaptureFilter");

    //Add Smart Tee Filter
    hr = p_GraphBuilder->AddFilter(p_SmartTee, L"SmartTee");

    //Add Decompressor Filter
    hr = p_GraphBuilder->AddFilter(p_AviDecompressor, L"Avi Decompressor");

    //Add Video Render Filter
    hr = p_GraphBuilder->AddFilter(p_VideoRender, L"Video Render");

    //Connect Pins
    hr = p_GraphBuilder->Connect(p_CaptureOutPin, p_SmartInputPin);
    hr = p_GraphBuilder->Connect(p_SmartOutputPin, p_AviInputPin);
    hr = p_GraphBuilder->Connect(p_AviOutputPin, p_RenderPin);

    //Get Interfaces
    IVideoWindow* p_VideoWindow;
    hr = p_GraphBuilder->QueryInterface(IID_IVideoWindow, (void **)&p_VideoWindow);
    IMediaControl* p_MediaControl;
    hr = p_GraphBuilder->QueryInterface(IID_IMediaControl, (void **)&p_MediaControl);

    //DONT RELEASE IPINS REFERENSES!!!!!!!!
    //IT CAUSE ERROR WHEN YOU TRY TO RELEASE FILTERS OR GRAPH WERY LATER
    //AND WILL BE WERY HARD TO FIND IT

    //p_CaptureOutPin->Release();
    //p_SmartInputPin->Release();
    //p_SmartOutputPin->Release();
    //p_AviInputPin->Release(); 
    //p_AviOutputPin->Release();
    //p_RenderPin->Release(); 

    //Release all filter references
    p_CaptureFilter->Release();
    p_SmartTee->Release();
    p_AviDecompressor->Release();
    p_VideoRender->Release();

    std::cout << "Press any key to START\n";
    std::system("pause");
    hr = p_MediaControl->Run();

    p_VideoWindow->put_Caption(L"render_window");
    p_VideoWindow->SetWindowPosition(20, 20, 1920, 1080);

    LONG lStyle = GetWindowLong(0, GWL_STYLE);
    lStyle &= ~(WS_CAPTION | WS_THICKFRAME | WS_MINIMIZE | WS_MAXIMIZE | WS_SYSMENU);
    p_VideoWindow->put_WindowStyle(lStyle);

    //There Window apears and ALL GOOD
    std::cout << "Press any key to STOP\n";
    std::system("pause");


    hr = p_MediaControl->Stop();

    hr = p_VideoWindow->put_Visible(OAFALSE);
    hr = p_VideoWindow->put_Owner(NULL);

    // Enumerate the filters in the graph.
    IEnumFilters *pEnum = NULL;
    hr = p_GraphBuilder->EnumFilters(&pEnum);
    do {
        IBaseFilter *pFilter = NULL;
        hr = pEnum->Next(1, &pFilter, NULL);
        if (hr != S_OK) break;
        // Remove the filter.
        p_GraphBuilder->RemoveFilter(pFilter);
        // RESET THE ENUMERATOR IN CYCLE (WERY STRANGE CODE BUT ELSEWERE NOTHING WORKS)
        pEnum->Reset();
        pFilter->Release();
    } while (true);
    pEnum->Release();


    std::cout << "Press any key to QUIT\n";
    std::system("pause");
    std::cout << "\n\n";
    //system("pause");
    return 0;


}



void GetCaptureSource(std::wstring friendly_name, IBaseFilter** ppCaptureFilter) {

    HRESULT hr;

    ICreateDevEnum* devs;
    hr = CoCreateInstance(CLSID_SystemDeviceEnum, 0, CLSCTX_INPROC, IID_ICreateDevEnum, (void **)&devs);

    IEnumMoniker* p_InputMonikersEnum;
    hr = devs->CreateClassEnumerator(CLSID_VideoInputDeviceCategory, &p_InputMonikersEnum, 0);
    SafeRelease(devs);


    bool is_capture_finded = false;
    do {
        IMoniker* p_CaptureMoniker;
        hr = p_InputMonikersEnum->Next(1, &p_CaptureMoniker, 0);
        if (hr != S_OK) break;
        IPropertyBag* p_PropBag;
        hr = p_CaptureMoniker->BindToStorage(0, 0, IID_IPropertyBag, (void**)&p_PropBag);
        VARIANT var;
        VariantInit(&var);
        VariantClear(&var);
        hr = p_PropBag->Read(L"FriendlyName", &var, 0);
        SafeRelease(p_PropBag);
        std::wstring input_moniker_friendly_name = std::wstring(var.bstrVal);
        if (input_moniker_friendly_name == friendly_name) {
            is_capture_finded = true;
            hr = p_CaptureMoniker->BindToObject(0, 0, IID_IBaseFilter, (void**)ppCaptureFilter);
            SafeRelease(p_CaptureMoniker);
            break;
        }
        SafeRelease(p_CaptureMoniker);
    } while (true);
    if (is_capture_finded == false) MessageBoxW(0, L"Capture NOT founded.", L"ERROR", MB_OK);

    SafeRelease(p_InputMonikersEnum);

    return;
}


void GetPin(IPin** ppPin, IBaseFilter* pFilter, std::string direction_str, std::wstring name_wstr) {

    HRESULT hr;
    IEnumPins* pEnumPins;
    hr = pFilter->EnumPins(&pEnumPins);
    do {
        IPin* pNextPin;
        hr = pEnumPins->Next(1, &pNextPin, 0);
        if (hr != S_OK) break;
        PIN_INFO pin_inf;
        hr = pNextPin->QueryPinInfo(&pin_inf);
        bool is_pin_of_interest = true;
        if ((direction_str == "in") && (pin_inf.dir == PINDIR_OUTPUT)) is_pin_of_interest = false;
        if ((direction_str == "out") && (pin_inf.dir == PINDIR_INPUT)) is_pin_of_interest = false;
        if ((name_wstr != L"") && (name_wstr != std::wstring(pin_inf.achName))) is_pin_of_interest = false;
        pin_inf.pFilter->Release();
        if (is_pin_of_interest) {
            *ppPin = pNextPin;
            SafeRelease(pNextPin);
            break;
        }
        SafeRelease(pNextPin);
    } while (true);
    SafeRelease(pEnumPins);
    return;
}