unsigned int CFrameJSegmentor::GetSegmentNum(const CFrame & frame)
{
if( frame.Id() != m_FrameId )
DetectSemgment(frame);
return m_SegmentNum;
}
void CFrameJSegmentor::DetectSemgment(const CFrame & frame)
{
if( m_RegionMap )
m_RegionMap->Release();
m_SegmentNum = m_SegmentDetector->Segment(*frame.GetImage(), &m_RegionMap);
m_FrameId = frame.Id();
}
HRESULT CSabOnlineSubshotDetectorImp::DetectNewSubshot(CFrame & frame)
{
m_FrameId = frame.Id();
if ( m_SubshotIdx < (m_SubshotList.Size()-1) && !m_IsInSubshot )
{
m_SubshotIdx++;
m_BgnFrameId = m_SubshotList[m_SubshotIdx].BeginFrameId();
m_EndFrameId = m_SubshotList[m_SubshotIdx].EndFrameId();
}
if ( m_FrameId <= m_BgnFrameId )
{
// We have get the next sub shot, but frame is not arrived the bgn frame of the sub shot
// Example: sub shot(bgnFrameId, endFrameId): 1 (1, 10) 2(15, 20)
// If we arrive frame 11, we have entered the subshot 2, but we need to set the flag
m_IsInSubshot = true;
}
if ( m_FrameId == m_BgnFrameId )
{
m_SubshotList[m_SubshotIdx].BeginTime(frame.BeginTime());
m_IsSubshotStart = true;
}
m_KeyframeExtractor->OnNewFrame(frame, m_IsSubshotStart);
//we get a new sub shot
if ( m_FrameId == m_EndFrameId )
{
m_IsInSubshot = false;
m_IsSubshotStart = false;
m_SubshotList[m_SubshotIdx].EndTime(frame.EndTime());
//extract the key frame for current sub shot
//add the last frame
m_KeyframeExtractor->OnNewFrame(frame, true);
CFrameList & keyframeList = m_KeyframeExtractor->OnNewSegment(m_SubshotList[m_SubshotIdx]);
int size = keyframeList.Size();
for( int i = 0; i < size; ++i )
m_SubshotList[m_SubshotIdx].AddKeyframe(keyframeList[i]);
return S_OK;
}
return S_FALSE;
}
