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C++ Lock::Seize方法代码示例

本文整理汇总了C++中filter::Lock::Seize方法的典型用法代码示例。如果您正苦于以下问题：C++ Lock::Seize方法的具体用法？C++ Lock::Seize怎么用？C++ Lock::Seize使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类filter::Lock的用法示例。


在下文中一共展示了Lock::Seize方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: EndOfStream

HRESULT Inpin::EndOfStream()
{
    Filter::Lock lock;

    HRESULT hr = lock.Seize(m_pFilter);

    if (FAILED(hr))
        return hr;

    if (!bool(m_pPinConnection))
        return VFW_E_NOT_CONNECTED;

#ifdef _DEBUG
    odbgstream os;
    os << "webmvorbisdecoder::inpin::EOS" << endl;
#endif

    if (m_bFlush)
        return S_FALSE;  //?

    m_bEndOfStream = true;

    m_buffers.push_back(0);

    const BOOL b = SetEvent(m_hSamples);
    assert(b);

    return S_OK;
}
开发者ID:brion，项目名称:webmdshow，代码行数:29，代码来源:webmvorbisdecoderinpin.cpp

示例2: OnCompletion

void Inpin::OnCompletion()
{
    Filter::Lock lock;

    HRESULT hr = lock.Seize(m_pFilter);
    assert(SUCCEEDED(hr));

    while (!m_buffers.empty())
    {
        IMediaSample* const pSample = m_buffers.front();

        if (pSample == 0)  //EOS notification
            break;         //don't throw EOS notification away

        m_buffers.pop_front();
        pSample->Release();
    }

    typedef channels_t::iterator iter_t;

    iter_t i = m_channels.begin();
    const iter_t j = m_channels.end();

    while (i != j)
    {
        samples_t& ss = *i++;
        ss.clear();
    }

    m_bDone = true;
}
开发者ID:brion，项目名称:webmdshow，代码行数:31，代码来源:webmvorbisdecoderinpin.cpp

示例3: GetAvailable

HRESULT OutpinVideo::GetAvailable(
    LONGLONG* pEarliest,
    LONGLONG* pLatest)
{
    Filter::Lock lock;

    HRESULT hr = lock.Seize(m_pFilter);

    if (FAILED(hr))
        return hr;

    if (!bool(m_pPinConnection))
        return VFW_E_NOT_CONNECTED;

    const Inpin& inpin = m_pFilter->m_inpin;
    const GraphUtil::IMediaSeekingPtr pSeek(inpin.m_pPinConnection);

    if (bool(pSeek))
    {
        lock.Release();
        return pSeek->GetAvailable(pEarliest, pLatest);
    }

    return E_FAIL;
}
开发者ID:kazutomi，项目名称:xiphqt，代码行数:25，代码来源:vp8encoderoutpinvideo.cpp

示例4: BeginFlush

HRESULT Inpin::BeginFlush()
{
    Filter::Lock lock;

    HRESULT hr = lock.Seize(m_pFilter);

    if (FAILED(hr))
        return hr;

    if (!bool(m_pPinConnection))
        return VFW_E_NOT_CONNECTED;

    //TODO:
    //if (m_bFlush)
    //    return S_FALSE;

#if 0 //def _DEBUG
    odbgstream os;
    os << "vp8decoder::inpin::beginflush" << endl;
#endif

    m_bFlush = true;

    if (IPin* pPin = m_pFilter->m_outpin.m_pPinConnection)
    {
        lock.Release();

        const HRESULT hr = pPin->BeginFlush();
        return hr;
    }

    return S_OK;
}
开发者ID:kazutomi，项目名称:xiphqt，代码行数:33，代码来源:vp8decoderinpin.cpp

示例5: NewSegment

HRESULT Inpin::NewSegment(
    REFERENCE_TIME st,
    REFERENCE_TIME sp,
    double r)
{
    Filter::Lock lock;

    HRESULT hr = lock.Seize(m_pFilter);

    if (FAILED(hr))
        return hr;

    if (!bool(m_pPinConnection))
        return VFW_E_NOT_CONNECTED;

    if (IPin* pPin = m_pFilter->m_outpin.m_pPinConnection)
    {
        lock.Release();

        const HRESULT hr = pPin->NewSegment(st, sp, r);
        return hr;
    }

    return S_OK;
}
开发者ID:kazutomi，项目名称:xiphqt，代码行数:25，代码来源:vp8decoderinpin.cpp

示例6: GetPositions

HRESULT OutpinVideo::GetPositions(
    LONGLONG* pCurrPos,
    LONGLONG* pStopPos)
{
    Filter::Lock lock;

    HRESULT hr = lock.Seize(m_pFilter);

    if (FAILED(hr))
        return hr;

    if (!bool(m_pPinConnection))
        return VFW_E_NOT_CONNECTED;

    const Inpin& inpin = m_pFilter->m_inpin;
    const GraphUtil::IMediaSeekingPtr pSeek(inpin.m_pPinConnection);

    if (bool(pSeek))
    {
        lock.Release();
        return pSeek->GetPositions(pCurrPos, pStopPos);
    }

    return E_FAIL;
}
开发者ID:kazutomi，项目名称:xiphqt，代码行数:25，代码来源:vp8encoderoutpinvideo.cpp

示例7: GetCurrentPosition

HRESULT OutpinVideo::GetCurrentPosition(LONGLONG* p)
{
    Filter::Lock lock;

    HRESULT hr = lock.Seize(m_pFilter);

    if (FAILED(hr))
        return hr;

    if (!bool(m_pPinConnection))
        return VFW_E_NOT_CONNECTED;

    const Inpin& inpin = m_pFilter->m_inpin;
#if 0
    const GraphUtil::IMediaSeekingPtr pSeek(inpin.m_pPinConnection);

    if (bool(pSeek))
    {
        lock.Release();
        return pSeek->GetCurrentPosition(p);
    }

    if (p == 0)
        return E_POINTER;

    return E_FAIL;
#else
    if (p == 0)
        return E_POINTER;

    *p = inpin.m_start_reftime;

    return S_OK;
#endif
}
开发者ID:kazutomi，项目名称:xiphqt，代码行数:35，代码来源:vp8encoderoutpinvideo.cpp

示例8: GetCurrentPosition

HRESULT Outpin::GetCurrentPosition(LONGLONG* p)
{
    if (p == 0)
        return E_POINTER;

    Filter::Lock lock;

    HRESULT hr = lock.Seize(m_pFilter);

    if (FAILED(hr))
        return hr;

    LONGLONG& pos = *p;
    pos = m_pStream->GetCurrTime();

    if (pos < 0)  //means "use duration"
    {
        hr = GetDuration(&pos);

        if (FAILED(hr) || (pos < 0))
            return E_FAIL;
    }

    return S_OK;
}
开发者ID:brion，项目名称:webmdshow，代码行数:25，代码来源:webmoggsourceoutpin.cpp

示例9: SetTimeFormat

HRESULT OutpinVideo::SetTimeFormat(const GUID* p)
{
    Filter::Lock lock;

    HRESULT hr = lock.Seize(m_pFilter);

    if (FAILED(hr))
        return hr;

    if (!bool(m_pPinConnection))
        return VFW_E_NOT_CONNECTED;

    const Inpin& inpin = m_pFilter->m_inpin;
    const GraphUtil::IMediaSeekingPtr pSeek(inpin.m_pPinConnection);

    if (bool(pSeek))
    {
        lock.Release();
        return pSeek->SetTimeFormat(p);
    }

    if (p == 0)
        return E_INVALIDARG;

    if (*p == TIME_FORMAT_MEDIA_TIME)
        return S_OK;

    return E_INVALIDARG;
}
开发者ID:kazutomi，项目名称:xiphqt，代码行数:29，代码来源:vp8encoderoutpinvideo.cpp

示例10: GetDuration

HRESULT OutpinVideo::GetDuration(LONGLONG* p)
{
    Filter::Lock lock;

    HRESULT hr = lock.Seize(m_pFilter);

    if (FAILED(hr))
        return hr;

    if (!bool(m_pPinConnection))
        return VFW_E_NOT_CONNECTED;

    const Inpin& inpin = m_pFilter->m_inpin;
    const GraphUtil::IMediaSeekingPtr pSeek(inpin.m_pPinConnection);

    if (bool(pSeek))
    {
        lock.Release();
        return pSeek->GetDuration(p);
    }

    if (p == 0)
        return E_POINTER;

    return E_FAIL;
}
开发者ID:kazutomi，项目名称:xiphqt，代码行数:26，代码来源:vp8encoderoutpinvideo.cpp

示例11: QueryPreferredFormat

HRESULT OutpinVideo::QueryPreferredFormat(GUID* p)
{
    Filter::Lock lock;

    HRESULT hr = lock.Seize(m_pFilter);

    if (FAILED(hr))
        return hr;

    if (!bool(m_pPinConnection))
        return VFW_E_NOT_CONNECTED;

    const Inpin& inpin = m_pFilter->m_inpin;
    const GraphUtil::IMediaSeekingPtr pSeek(inpin.m_pPinConnection);

    if (bool(pSeek))
    {
        lock.Release();
        return pSeek->QueryPreferredFormat(p);
    }

    if (p == 0)
        return E_POINTER;

    *p = TIME_FORMAT_MEDIA_TIME;
    return S_OK;
}
开发者ID:kazutomi，项目名称:xiphqt，代码行数:27，代码来源:vp8encoderoutpinvideo.cpp

示例12: IsFormatSupported

HRESULT OutpinVideo::IsFormatSupported(const GUID* p)
{
    Filter::Lock lock;

    HRESULT hr = lock.Seize(m_pFilter);

    if (FAILED(hr))
        return hr;

    if (!bool(m_pPinConnection))
        return VFW_E_NOT_CONNECTED;

    const Inpin& inpin = m_pFilter->m_inpin;
    const GraphUtil::IMediaSeekingPtr pSeek(inpin.m_pPinConnection);

    if (bool(pSeek))
    {
        lock.Release();
        return pSeek->IsFormatSupported(p);
    }

    if (p == 0)
        return E_POINTER;

    const GUID& g = *p;

    if (g == TIME_FORMAT_MEDIA_TIME)
        return S_OK;

    return S_FALSE;
}
开发者ID:kazutomi，项目名称:xiphqt，代码行数:31，代码来源:vp8encoderoutpinvideo.cpp

示例13: CheckCapabilities

HRESULT OutpinVideo::CheckCapabilities(DWORD* pdw)
{
    Filter::Lock lock;

    HRESULT hr = lock.Seize(m_pFilter);

    if (FAILED(hr))
        return hr;

    if (!bool(m_pPinConnection))
        return VFW_E_NOT_CONNECTED;

    const Inpin& inpin = m_pFilter->m_inpin;
    const GraphUtil::IMediaSeekingPtr pSeek(inpin.m_pPinConnection);

    if (bool(pSeek))
    {
        lock.Release();
        return pSeek->CheckCapabilities(pdw);
    }

    if (pdw == 0)
        return E_POINTER;

    DWORD& dw = *pdw;

    const DWORD dwRequested = dw;

    if (dwRequested == 0)
        return E_INVALIDARG;

    return E_FAIL;
}
开发者ID:kazutomi，项目名称:xiphqt，代码行数:33，代码来源:vp8encoderoutpinvideo.cpp

示例14: GetCapabilities

HRESULT OutpinVideo::GetCapabilities(DWORD* pdw)
{
    Filter::Lock lock;

    HRESULT hr = lock.Seize(m_pFilter);

    if (FAILED(hr))
        return hr;

    if (!bool(m_pPinConnection))
        return VFW_E_NOT_CONNECTED;

    const Inpin& inpin = m_pFilter->m_inpin;
    const GraphUtil::IMediaSeekingPtr pSeek(inpin.m_pPinConnection);

    if (bool(pSeek))
    {
        lock.Release();
        return pSeek->GetCapabilities(pdw);
    }

    if (pdw == 0)
        return E_POINTER;

    DWORD& dw = *pdw;
    dw = 0;

    return S_OK;  //?
}
开发者ID:kazutomi，项目名称:xiphqt，代码行数:29，代码来源:vp8encoderoutpinvideo.cpp

示例15: EndFlush

HRESULT Inpin::EndFlush()
{
    Filter::Lock lock;

    HRESULT hr = lock.Seize(m_pFilter);

    if (FAILED(hr))
        return hr;

    if (!bool(m_pPinConnection))
        return VFW_E_NOT_CONNECTED;

#if 0 //def _DEBUG
    odbgstream os;
    os << "vp8decoder::inpin::endflush" << endl;
#endif

    m_bFlush = false;
    m_bEndOfStream = false;

    if (IPin* pPin = m_pFilter->m_outpin.m_pPinConnection)
    {
        lock.Release();

        const HRESULT hr = pPin->EndFlush();
        return hr;
    }

    return S_OK;
}
开发者ID:kazutomi，项目名称:xiphqt，代码行数:30，代码来源:vp8decoderinpin.cpp


注：本文中的filter::Lock::Seize方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。