Bi-Predicted Blocks

These functions use two reference blocks for prediction. Predictions are calculated for each reference block, and then prediction is calculated as average of two predictions. The prediction calculated as a rounded average of two blocks is the first to be added to the data.

Motion Compensation Scheme for Bi-Predicted Block

• MC16x16B
  Performs motion compensation for bi-predicted block.
• MC16x8B
  Performs motion compensation for bi-predicted 16X8 block.
• MC8x16B
  Performs motion compensation for bi-predicted 8X16 block.
• MC8x8B
  Performs motion compensation for bi-predicted 8X8 block.
• MC8x4B
  Performs motion compensation for bi-predicted 8x4 block.
• MC4x8B
  Performs motion compensation for bi-predicted 4X8 block.
• MC4x4B
  Performs motion compensation for bi-predicted 4X4 block.
• MC2x4B
  Performs motion compensation for bi-predicted 2X4 block.
• MC4x2B
  Performs motion compensation for bi-predicted 4X2 block.
• MC2x2B
  Performs motion compensation for bi-predicted 2X2 block.
• MC16x4B
  Performs motion compensation for bi-predicted UV 16X4 block.
• MC16x8UVB
  Performs motion compensation for bi-predicted 16X8 block.
• Copy8x8, Copy16x16
  Copy fixed size block.
• Copy8x4HP, Copy8x8HP, Copy16x8HP, Copy16x16HP
  Copy fixed size blocks with half-pixel accuracy.
• InterpolateAverage8x4, InterpolateAverage8x8, InterpolateAverage16x8, InterpolateAverage16x16
  Interpolate source block according to half-pixel offset and average the result with destination block.
• Add8x8
  Adds two blocks with saturation.
• Add8x8HP
  Adds blocks interpolated with half-pixel accuracy prediction to difference with saturation.
• AddC8x8
  Adds a constant to 8x8 block with saturation.
• Average8x8, Average16x16
  Average two blocks.

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