• 设为首页
  • 点击收藏
  • 手机版
    手机扫一扫访问
    迪恩网络手机版
  • 关注官方公众号
    微信扫一扫关注
    公众号
登陆 注册

C++ filter::Lock类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中filter::Lock类的典型用法代码示例。如果您正苦于以下问题：C++ Lock类的具体用法？C++ Lock怎么用？C++ Lock使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



在下文中一共展示了Lock类的20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，您的评价将有助于我们的系统推荐出更棒的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


示例16: QueryAccept

HRESULT Outpin::QueryAccept(const AM_MEDIA_TYPE* pmt_query)
{
    if (pmt_query == 0)
        return E_INVALIDARG;

    const AM_MEDIA_TYPE& mt_query = *pmt_query;

    if (mt_query.majortype != MEDIATYPE_Video)
        return S_FALSE;

    if (mt_query.subtype == MEDIASUBTYPE_NV12)
        __noop;
    else if (mt_query.subtype == MEDIASUBTYPE_YV12)
        __noop;
    else if (mt_query.subtype == WebmTypes::MEDIASUBTYPE_I420)
        __noop;
    else if (mt_query.subtype == MEDIASUBTYPE_UYVY)
        __noop;
    else if (mt_query.subtype == MEDIASUBTYPE_YVYU)
        __noop;
    else if (mt_query.subtype == MEDIASUBTYPE_YUY2)
        __noop;
    else if (mt_query.subtype == MEDIASUBTYPE_YUYV)
        __noop;
    else
        return S_FALSE;

    Filter::Lock lock;

    const HRESULT hr = lock.Seize(m_pFilter);

    if (FAILED(hr))
        return S_FALSE;

    const Inpin& inpin = m_pFilter->m_inpin;

    if (!bool(inpin.m_pPinConnection))
        return S_FALSE;

    if (mt_query.formattype == FORMAT_None)
        return S_OK;

    if (mt_query.formattype == GUID_NULL)
        return S_OK;

    const AM_MEDIA_TYPE& mt_in = inpin.m_connection_mtv[0];

    if (mt_query.formattype == FORMAT_VideoInfo)
        return QueryAcceptVideoInfo(mt_in, mt_query);

    if (mt_query.formattype == FORMAT_VideoInfo2)
        return QueryAcceptVideoInfo2(mt_in, mt_query);

    return S_FALSE;
}
开发者ID:brion，项目名称:webmdshow，代码行数:55，代码来源:vp8decoderoutpin.cpp


示例17: EnumMediaTypes

HRESULT Pin::EnumMediaTypes(IEnumMediaTypes** pp)
{
    Filter::Lock lock;

    HRESULT hr = lock.Seize(m_pFilter);

    if (FAILED(hr))
        return hr;

    //wodbgstream os;
    //os << "mkvsplit::pin[" << m_id << "]::EnumMediaTypes" << endl;

    return m_preferred_mtv.CreateEnum(this, pp);
}
开发者ID:kazutomi，项目名称:xiphqt，代码行数:14，代码来源:vp8decoderpin.cpp


示例18: QueryInternalConnections

HRESULT Inpin::QueryInternalConnections(
    IPin** pa,
    ULONG* pn)
{
    if (pn == 0)
        return E_POINTER;

    Filter::Lock lock;

    HRESULT hr = lock.Seize(m_pFilter);

    if (FAILED(hr))
        return hr;

    const ULONG m = 1;  //number of output pins

    ULONG& n = *pn;

    if (n == 0)
    {
        if (pa == 0)  //query for required number
        {
            n = m;
            return S_OK;
        }

        return S_FALSE;  //means "insufficient number of array elements"
    }

    if (n < m)
    {
        n = 0;
        return S_FALSE;  //means "insufficient number of array elements"
    }

    if (pa == 0)
    {
        n = 0;
        return E_POINTER;
    }

    IPin*& pin = pa[0];

    pin = &m_pFilter->m_outpin;
    pin->AddRef();

    n = m;
    return S_OK;
}
开发者ID:kazutomi，项目名称:xiphqt，代码行数:49，代码来源:vp8decoderinpin.cpp


示例19: ReceiveCanBlock

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

    const HRESULT hr = lock.Seize(m_pFilter);

    if (FAILED(hr))
        return S_OK;  //?

    if (IMemInputPin* pPin = m_pFilter->m_outpin.m_pInputPin)
    {
        lock.Release();
        return pPin->ReceiveCanBlock();
    }

    return S_FALSE;
}
开发者ID:kazutomi，项目名称:xiphqt，代码行数:17，代码来源:vp8decoderinpin.cpp


示例20: ReceiveConnection

HRESULT Inpin::ReceiveConnection(
    IPin* pin,
    const AM_MEDIA_TYPE* pmt)
{
    if (pin == 0)
        return E_INVALIDARG;

    if (pmt == 0)
        return E_INVALIDARG;

    Filter::Lock lock;

    HRESULT hr = lock.Seize(m_pFilter);

    if (FAILED(hr))
        return hr;

    if (m_pFilter->m_state != State_Stopped)
        return VFW_E_NOT_STOPPED;

    if (bool(m_pPinConnection))
        return VFW_E_ALREADY_CONNECTED;

    m_connection_mtv.Clear();

    hr = QueryAccept(pmt);

    if (hr != S_OK)
        return VFW_E_TYPE_NOT_ACCEPTED;

    const AM_MEDIA_TYPE& mt = *pmt;

    hr = m_connection_mtv.Add(mt);

    if (FAILED(hr))
        return hr;

    m_pPinConnection = pin;

    //TODO: init decompressor here?

    m_pFilter->m_outpin.OnInpinConnect(mt);

    return S_OK;
}
开发者ID:kazutomi，项目名称:xiphqt，代码行数:45，代码来源:vp8decoderinpin.cpp



注：本文中的filter::Lock类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，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。

鲜花
握手
雷人
路过
鸡蛋
该文章已有0人参与评论

请发表评论

全部评论

专题导读
More+
上一篇：
C++ filterparameter::Pointer类代码示例发布时间：2022-05-31
下一篇：
C++ filesystem::path类代码示例发布时间：2022-05-31
热门推荐
More+
热门话题
More+
阅读排行榜

扫描微信二维码

查看手机版网站

随时了解更新最新资讯

139-2527-9053

在线客服（服务时间 9:00～18:00）

在线QQ客服
地址：深圳市南山区西丽大学城创智工业园
电邮：jeky_zhao#qq.com
移动电话：139-2527-9053

Powered by 互联科技 X3.4© 2001-2213 极客世界.|Sitemap