C++ (Cpp) IWMPMedia::Release示例

示例#1

void QWmpPlayerControl::mediaChangeEvent(IDispatch *dispatch)
{
    IWMPMedia *media = 0;
    if (dispatch &&  dispatch->QueryInterface(
            __uuidof(IWMPMedia), reinterpret_cast<void **>(&media)) == S_OK) {
        IWMPMedia *currentMedia = 0;
        if (m_controls && m_controls->get_currentItem(&currentMedia) == S_OK) {
            VARIANT_BOOL isEqual = VARIANT_FALSE;
            if (media->get_isIdentical(currentMedia, &isEqual) == S_OK && isEqual)
                scheduleUpdate(DurationChanged);

            currentMedia->Release();
        }
        media->Release();
    }
}

示例#2

文件： 0811 wmp2mircevents.cpp 项目： thenfour/WMircP

void CWmp2mirc::OnPlay()
{
  // if we are locked (property page could be doing stuff, or the timer proc), then just ignore the request.
  if(!m_cs.TryEnter())
  {
    LibCC::g_pLog->Message(_T("WMircP is busy; ignoring the play event."));
    return;
  }

  IWMPMedia* pMedia = 0;
  m_spCore->get_currentMedia(&pMedia);

  if(!pMedia)
  {
    LibCC::g_pLog->Message(_T("WMircP could not get a pointer to the current media."));
  }
  else
  {
    CComBSTR url;
    pMedia->get_sourceURL(&url);

		LibCC::LogScopeMessage lsm(LibCC::Format("OnPlay %").qs((BSTR)url).Str());
    m.OnPlay(pMedia, (PCWSTR)url);
    pMedia->Release();
  }

  m_cs.Leave();
}

示例#3

qint64 QWmpPlayerControl::duration() const
{
    double duration = 0.;

    IWMPMedia *media = 0;
    if (m_controls && m_controls->get_currentItem(&media) == S_OK) {
        media->get_duration(&duration);
        media->Release();
    }

    return duration * 1000;
}

示例#4

QVariant QWmpPlaylist::value(int index, const QString &key) const
{
    QVariant v;
    
    IWMPMedia *media = 0;
    if (m_playlist && m_playlist->get_item(index, &media) == S_OK) {
        v = QWmpMetaData::value(media, QAutoBStr(key));

        media->Release();
    }

    return v;
}

示例#5

QStringList QWmpPlaylist::keys(int index) const
{
    QStringList keys;

    IWMPMedia *media = 0;
    if (m_playlist && m_playlist->get_item(index, &media) == S_OK) {
        keys = QWmpMetaData::keys(media);

        media->Release();
    }

    return keys;
}

示例#6

bool QWmpPlaylist::removeMedia(int pos)
{
    IWMPMedia *media = 0;
    if (m_playlist->get_item(pos, &media) == S_OK) {
        bool removed = m_playlist->removeItem(media) == S_OK;

        media->Release();

        return removed;
    } else {
        return false;
    }
}

示例#7

QMediaContent QWmpPlaylist::media(int pos) const
{
    QMediaContent content;

    IWMPMedia *media = 0;
    if (m_playlist && m_playlist->get_item(pos, &media) == S_OK) {
        content = QWmpMetaData::resources(media);

        media->Release();
    }

    return content;
}

示例#8

文件： qwmpplaylistcontrol.cpp 项目： kuailexs/symbiandump-mw3

int QWmpPlaylistControl::currentIndex() const
{
    int position = 0;

    IWMPMedia *media = 0;
    if (m_controls && m_player->get_currentMedia(&media) == S_OK) {
        position = QWmpMetaData::value(media, QAutoBStr(L"PlaylistIndex")).toInt();

        media->Release();
    }

    return position;
}

示例#9

bool QWmpPlaylist::insertMedia(int pos, const QMediaContent &content)
{
    bool inserted = false;

    IWMPMedia *media = 0;
    if (m_playlist && m_player && m_player->newMedia(
            QAutoBStr(content.canonicalUrl()), &media) == S_OK) {
        inserted = m_playlist->insertItem(pos, media) == S_OK;

        media->Release();
    }

    return inserted;
}

示例#10

bool QWmpPlaylist::addMedia(const QMediaContent &content)
{
    bool appended = false;

    IWMPMedia *media = 0;
    if (!content.isNull() && m_playlist && m_player && m_player->newMedia(
            QAutoBStr(content.canonicalUrl()), &media) == S_OK) {
        appended = m_playlist->appendItem(media) == S_OK;

        media->Release();
    }

    return appended;
}

示例#11

文件： qwmpplaylistcontrol.cpp 项目： kuailexs/symbiandump-mw3

void QWmpPlaylistControl::setCurrentIndex(int position)
{

    IWMPPlaylist *playlist = 0;
    if (m_player->get_currentPlaylist(&playlist) == S_OK) {
        IWMPMedia *media = 0;
        if (playlist->get_item(position, &media) == S_OK) {
            m_player->put_currentMedia(media);

            media->Release();
        }
        playlist->Release();
    }
}

示例#12

QMediaTimeRange QWmpPlayerControl::availablePlaybackRanges() const
{
    QMediaTimeRange ranges;

    IWMPMedia *media = 0;
    if (m_controls && m_controls->get_currentItem(&media) == S_OK) {
        double duration = 0;
        media->get_duration(&duration);
        media->Release();

        if(duration > 0)
            ranges.addInterval(0, duration * 1000);
    }

    return ranges;
}

示例#13

void QWmpPlaylist::mediaChangeEvent(IDispatch *dispatch)
{

    IWMPMedia *media = 0;
    if (dispatch &&  dispatch->QueryInterface(
            __uuidof(IWMPMedia), reinterpret_cast<void **>(&media)) == S_OK) {
        VARIANT_BOOL isMember = VARIANT_FALSE;

        if (media->isMemberOf(m_playlist, &isMember) == S_OK && isMember) {
            int index = QWmpMetaData::value(media, QAutoBStr(L"PlaylistIndex")).toInt();

            if (index >= 0)
                emit mediaChanged(index, index);
        }
        media->Release();
    }
}

示例#14

bool QWmpPlaylist::removeMedia(int start, int end)
{
    if (!m_playlist)
        return false;

    for (int i = start; i <= end; ++i) {
        IWMPMedia *media = 0;
        if (m_playlist->get_item(start, &media) == S_OK) {
            bool removed = m_playlist->removeItem(media) == S_OK;

            media->Release();

            if (!removed)
                return false;
        }
    }
    return true;
}