General Functions

                                             Variable Length Decoding

Allocates memory and initializes structure for table with one-to-one code/value correspondence.

Allocates memory and initializes structure for table with one-to-two code/value correspondence.

Decodes one code using specified table and gets one decoded value.

Decodes one code using specified table and gets two decoded values.

Frees memory allocated for VLC table.

                                             Motion Compensation

Performs motion compensation for a predicted 16X16 block.

Performs motion compensation for a predicted 16X8 block.

Performs motion compensation for a predicted 8X16 block.

Performs motion compensation for a predicted 8X8 block.

Performs motion compensation for a predicted 8X4 block.

Performs motion compensation for a predicted 4X8 block.

Performs motion compensation for a predicted 4X4 block.

Performs motion compensation for a predicted 2X4 block.

Performs motion compensation for a predicted 4X2 block.

Performs motion compensation for a predicted 2X2 block.

Performs motion compensation for a predicted UV 16X4 block.

Performs motion compensation for a predicted UV 16X8 block.

Performs motion compensation for a bi-predicted 16X16 block.

Performs motion compensation for a bi-predicted 16X8 block.

Performs motion compensation for a bi-predicted 8X16 block.

Performs motion compensation for a bi-predicted 8X8 block.

Performs motion compensation for a bi-predicted 8X4 block.

Performs motion compensation for a bi-predicted 4X8 block.

Performs motion compensation for a bi-predicted 4X4 block.

Performs motion compensation for a bi-predicted 2X4 block.

Performs motion compensation for a bi-predicted 4X2 block.

Performs motion compensation for a bi-predicted 2X2 block.

Performs motion compensation for a bi-predicted UV 16X4 block.

Performs motion compensation for a bi-predicted UV 16X8 block.

Copy the fixed size block to the destination block.

Copy fixed size blocks with half-pixel accuracy.

Interpolate the source block according to half-pixel offset and average the result with the destination block.

Adds two blocks with saturation.

Adds blocks interpolated with half-pixel accuracy prediction to difference with saturation.

Adds a constant to an 8x8 block with saturation.

Average two blocks.

                                             Motion Estimation

Difference Evaluation

Evaluates difference between current predicted and reference blocks of 16x16 elements.

Evaluates difference between current predicted and reference blocks of 16x8 elements.

Evaluates difference between current predicted and reference blocks of 8x8 elements.

Evaluates difference between current predicted and reference blocks of 8x16 elements.

Evaluates difference between current predicted and reference blocks of 8x4 elements.

Evaluates difference between current predicted and reference 4x4 blocks.

Evaluates difference between current bi-predicted and mean of two reference blocks of 16x16 elements.

Evaluates difference between current bi-predicted and mean of two reference blocks of 16x8 elements.

Evaluates difference between current bi-predicted and mean of two reference blocks of 8x8 elements.

Evaluates difference between current bi-predicted and mean of two reference blocks of 8x16 elements.

Evaluates difference between current bi-predicted and mean of two reference blocks of 8x4 elements.

Subtract two blocks and store the result in the third block.

Subtracts two block, stores the result in the third block and computes a sum of absolute differences.

Sum of Squares of Differences Evaluation

Evaluates sum of squares of differences between current and reference blocks.

Evaluates sum of squares of differences between the current bi-predicted block and the mean of two reference blocks.

Evaluates sum of squares of differences between current and reference 8X8 blocks.

Evaluates sum of squares of differences between current and reference 4X4 blocks.

Block Variance and Mean Evaluation

Evaluates variance and mean of a 8X8 block of unsigned char or short integer values.

Evaluation of Variances and Means of Blocks of Difference Between Two Blocks

Evaluates variances and means of four 8x8 blocks of difference between two 16x16 blocks.

Evaluates variances and means of four 8x8 blocks of difference between two 16x8 blocks.

Block Variance Evaluation

Evaluates variance of the current block.

Evaluation of Block Deviation

Evaluates mean absolute deviation for an 8x8 block.

Evaluates mean absolute deviation for a 16x16 block.

Edges Detection

Detects edges inside a 16X16 block.

SAD Functions

Evaluates sum of absolute difference between current and reference 16X16 blocks.

Evaluates sum of absolute difference between current and reference 16X8 blocks.

Evaluates sum of absolute difference between current and reference 8X16 blocks.

Evaluates sum of absolute difference between current and reference 8X8 blocks.

Evaluates sum of absolute difference between current and reference 8X4 blocks.

Evaluates sum of absolute difference between current and reference 4X8 blocks.

Evaluates sum of absolute difference between current and reference 4X4 blocks.

Evaluates four partial sums of absolute differences between current and reference 16X16 blocks.

Evaluates 16 partial sums of absolute differences between current and reference 16X16 blocks.

Evaluates sum of absolute transformed differences between current and reference 16X16 blocks using 4x4 transform.

Evaluates sum of absolute transformed differences between current and reference 16X8 blocks using 4x4 transform.

Evaluates sum of absolute transformed differences between current and reference 8X16 blocks using 4x4 transform.

Evaluates sum of absolute transformed differences between current and reference 8X8 blocks using 4x4 transform.

Evaluates sum of absolute transformed differences between current and reference 8X4 blocks using 4x4 transform.

Evaluates sum of absolute transformed differences between current and reference 4X8 blocks using 4x4 transform.

Evaluates sum of absolute transformed differences between current and reference 4X4 blocks using 4x4 transform.

Evaluates sum of absolute transformed differences between current and reference 8X8 blocks using 8x8 transform.

Calculates SAD between field lines and SAD between frame lines of a 16x16 block.

Sum of Differences Evaluation

Evaluates difference between current and reference 4X4 blocks and calculates sums of 4X4 residual blocks elements for 16X16 blocks.

Evaluates difference between current and reference 4X4 blocks and calculates sums of 4X4 residual blocks elements for 8X8 blocks.

                                             Scanning

Performs classical zigzag, alternate-horizontal, or alternate-vertical inverse scan on a block stored in a compact buffer.

Performs classical zigzag, alternate-horizontal, or alternate-vertical forward scan on a block.

                                             Color Conversion

Converts 4:2:2 CbYCr image to 4:2:0 YCbCr image with rotation.

Creates a low-resolution preview image for high-resolution video or still capture applications.

                                             Video Processing

Deinterlacing

Deinterlaces video plane.

Performs deinterlacing of two-field image.

Creates an image consisting of median values of three source images.

Performs median deinterlacing with threshold.

Generates image field using the EdgeDetect filter.

Performs deinterlacing using temporal and spatial interpolations.

Calculates the size of internal structure for DeinterlaceBlend function.

Initializes an internal structure for the DeinterlaceBlend function.

Allocates and initializes an internal structure for the DeinterlaceBlend function.

Calculates output pixel as alpha blends of the results of two filters applied to input pixels.

Releases memory allocated by the DeinterlaceBlendInitAlloc function.

Denoising

Initializes a denoise specification structure for content adaptive spatio-temporal noise reduction filtering.

Performs content adaptive spatio-temporal (CAST) noise reduction filtering.

Performs spatial noise reduction (SNR) filtering.

Creates and initializes a denoise specification structure for spatio-temporal adaptive noise reduction filtering.

Closes a denoise specification structure for spatio-temporal adaptive noise reduction filtering.

Performs spatio-temporal adaptive noise reduction filtering.

Creates and initializes a denoise specification structure for spatio-temporal motion adaptive mosquito noise reduction filtering.

Closes a denoise specification structure for spatio-temporal motion adaptive mosquito noise reduction filtering.

Performs spatio-temporal motion adaptive mosquito noise reduction filtering.