Patent ID: 7944968
Filing Date: 2011-05-17
Classification: H04N

Abstract:
1. An apparatus comprising: a transformation circuit configured to generate one or more transform coefficients in response to a video stream and one or more first control signals, wherein said transformation circuit is further configured to limit transform coefficients for residual 4×4 blocks to a 16-bit value when said video stream comprises 8-bit video data; a scaling/quantization circuit configured to generate one or more quantization coefficients in response to said one or more transform coefficients and one or more second control signals; and an encoding circuit configured to generate a H.264-AVC FRExt High Profile compliant compressed bit stream in response to said one or more quantization coefficients, wherein a specification of the H.264-AVC FRExt High Profile includes language explicitly limiting the residual 4×4 block coefficients to 16-bit values for 8-bit video.