/****************************************************************************
*
* ROUTINE : CopyBackExtraFrags
*
* INPUTS : None
*
* OUTPUTS : None.
*
* RETURNS : None .
*
* FUNCTION : Copies the pixel data from any extra fragments
* selected for update as part of the quality refresh process
* from the source buffer into the conv. buffer.
*
* SPECIAL NOTES : None.
*
*
* ERRORS : None.
*
****************************************************************************/
void CopyBackExtraFrags(CP_INSTANCE *cpi)
{
UINT32 i,j;
UINT8 * SrcPtr;
UINT8 * DestPtr;
UINT32 PlaneLineStep;
UINT32 PixelIndex;
// Copy back for Y plane.
PlaneLineStep = cpi->pb.Configuration.VideoFrameWidth;
for ( i = 0; i < cpi->pb.YPlaneFragments; i++ )
{
/* We are only interested in updated fragments. */
if ( cpi->extra_fragments[i] )
{
/* Get the start index for the fragment. */
PixelIndex = GetFragIndex(cpi->pb.pixel_index_table, i);
SrcPtr = &cpi->yuv1ptr[PixelIndex];
DestPtr = &cpi->ConvDestBuffer[PixelIndex];
for ( j = 0; j < cpi->pb.Configuration.VFragPixels; j++ )
{
memcpy( DestPtr, SrcPtr, cpi->pb.Configuration.HFragPixels );
SrcPtr += PlaneLineStep;
DestPtr += PlaneLineStep;
}
}
}
// Now the U and V planes
PlaneLineStep = cpi->pb.Configuration.VideoFrameWidth / 2;
for ( i = cpi->pb.YPlaneFragments; i < (cpi->pb.YPlaneFragments + (2 * cpi->pb.UVPlaneFragments)) ; i++ )
{
/* We are only interested in updated fragments. */
if ( cpi->extra_fragments[i] )
{
/* Get the start index for the fragment. */
PixelIndex = GetFragIndex(cpi->pb.pixel_index_table, i);
SrcPtr = &cpi->yuv1ptr[PixelIndex];
DestPtr = &cpi->ConvDestBuffer[PixelIndex];
for ( j = 0; j < cpi->pb.Configuration.VFragPixels; j++ )
{
memcpy( DestPtr, SrcPtr, cpi->pb.Configuration.HFragPixels );
SrcPtr += PlaneLineStep;
DestPtr += PlaneLineStep;
}
}
}
}
char *TlkFile::GetDataPtr(int tlkind)
{
long blockind = GetFragIndex(tlkind);
ShiAssert(blockind > 0);
struct TlkBlock *tblock;
tblock = (struct TlkBlock *) GetData(blockind, sizeof *tblock);
ShiAssert(tblock != NULL);
if (tblock == NULL) return 0;
return tblock->data;
}
unsigned long TlkFile::GetCompressedLength(int tlkind)
{
long blockind = GetFragIndex(tlkind);
ShiAssert(blockind > 0);
struct TlkBlock *tblock;
tblock = (struct TlkBlock *) GetData(blockind, sizeof *tblock);
ShiAssert(tblock != NULL);
if (tblock == NULL) return 0;
return tblock->compressedlen;
}
