void BobDeint::filter( QQueue< FrameBuffer > &framesQueue )
{
int insertAt = addFramesToDeinterlace( framesQueue );
while ( internalQueue.count() >= 2 )
{
FrameBuffer dequeued = internalQueue.dequeue();
QByteArray videoFrameData2;
VideoFrame *videoFrame1 = VideoFrame::fromData( dequeued.data );
VideoFrame *videoFrame2 = VideoFrame::create( videoFrameData2, w, h );
for ( int p = 0 ; p < 3 ; ++p )
{
const int linesize = videoFrame1->linesize[ p ];
quint8 *src = videoFrame1->data[ p ] + linesize;
quint8 *dst1 = videoFrame1->data[ p ];
quint8 *dst2 = videoFrame2->data[ p ];
memcpy( dst2, src, linesize ); //Copy second line into new frame (duplicate first line in new frame, simple deshake)
dst2 += linesize;
const int H = p ? h >> 2 : h >> 1;
for ( int i = 0 ; i < H ; ++i )
{
const bool notLast = i != H-1;
memcpy( dst2, src, linesize );
dst2 += linesize;
if ( notLast )
{
VideoFilters::averageTwoLines( dst2, src, src + ( linesize << 1 ), linesize );
dst2 += linesize;
}
dst1 += linesize;
if ( notLast )
VideoFilters::averageTwoLines( dst1, src - linesize, src + linesize, linesize );
else
memcpy( dst1, src - linesize, linesize );
dst1 += linesize;
src += linesize << 1;
}
if ( h & 1 ) //Duplicate last line for odd height
memcpy( dst2, dst2 - linesize, linesize );
}
const bool TFF = isTopFieldFirst( videoFrame1 );
videoFrame1->setNoInterlaced();
framesQueue.insert( insertAt++, FrameBuffer( TFF ? dequeued.data : videoFrameData2, dequeued.ts ) );
framesQueue.insert( insertAt++, FrameBuffer( !TFF ? dequeued.data : videoFrameData2, dequeued.ts + halfDelay( internalQueue.first(), dequeued ) ) );
}
}
void DiscardDeint::filter(QQueue< FrameBuffer > &framesQueue)
{
int insertAt = addFramesToDeinterlace(framesQueue);
while (!internalQueue.isEmpty())
{
FrameBuffer dequeued = internalQueue.dequeue();
VideoFrame *videoFrame = VideoFrame::fromData(dequeued.data);
const bool TFF = isTopFieldFirst(videoFrame);
videoFrame->setNoInterlaced();
for (int p = 0; p < 3; ++p)
{
const int linesize = videoFrame->linesize[p];
quint8 *src = videoFrame->data[p];
quint8 *dst = videoFrame->data[p];
const int lines = (p ? h >> 2 : h >> 1) - 1;
if (!TFF)
{
memcpy(dst, src + linesize, linesize);
src += linesize;
dst += linesize;
}
dst += linesize;
src += linesize;
for (int i = 0; i < lines; ++i)
{
VideoFilters::averageTwoLines(dst, src - linesize, src + linesize, linesize);
src += linesize << 1;
dst += linesize << 1;
}
if (TFF)
memcpy(dst, src - linesize, linesize);
}
framesQueue.insert(insertAt++, dequeued);
}
}
void BlendDeint::filter(QQueue< FrameBuffer > &framesQueue)
{
int insertAt = addFramesToDeinterlace(framesQueue);
while (!internalQueue.isEmpty())
{
FrameBuffer dequeued = internalQueue.dequeue();
VideoFrame *videoFrame = VideoFrame::fromData(dequeued.data);
videoFrame->setNoInterlaced();
for (int p = 0; p < 3; ++p)
{
const int linesize = videoFrame->linesize[p];
quint8 *src = videoFrame->data[p] + linesize;
quint8 *dst = videoFrame->data[p] + linesize;
const int H = (p ? h >> 1 : h >> 0) - 2;
for (int i = 0; i < H; ++i)
{
VideoFilters::averageTwoLines(dst, src, src + linesize, linesize);
src += linesize;
dst += linesize;
}
}
framesQueue.insert(insertAt++, dequeued);
}
}
