TransformDequantChromaDC_H264

Inverse transform chroma DC

Synopsis

FwStatus   fwiTransformDequantChromaDC_H264_16s_C1I ( Fw16s * pSrcDstFw32s QP );

Parameters

QP   Quantizer scale factor read from the bitstream.
pSrcDst   Pointer to the start of the block.

Description

This function steps through a source buffer, performs integer inverse transformation and dequantization of 2X2 chroma DC coefficients in accordance with JVTG050 8.5.7., and writes the results back to the source buffer.