Type-1 (Royalty-free) Video Coding

Tool-level Comparison of Type-1 Codecs


Tool IVC WVC VCB
Block Partition Size 16x16 16x16 16x16
Intra Prediction 5 modes for 16x16, 8x8 and 4x4 4 modes for 16x16, 9 modes for 4x4 4 modes for 16x16, 10 modes for 4x4
Inter Prediction Motion Vector Prediction 4 neighboring blocks 3 neighboring blocks 8 neighboring blocks
Subpel Accuracy 1/2, 1/4 1/2, 1/4 1/2, 1/4, 1/8
Use P/B-frame Use Use Use
Partition Size 16x16, 16x8, 8x16, 8x8, 4x4 16x16, 16x8, 8x16, 8x8, 4x4 16x16, 16x8, 8x16, 8x8, 4x4
Number of Reference Frames Up to 8 Up to 16 Up to 3
Transform Integer DCT 16x16, 8x8, 4x4 Integer DCT 4x4 Integer DCT 4x4
Entropy Coding Context-based Adaptive BAC Context-based Adaptive VLC Context-based Adaptive BAC
Loop Filter Deblocking filter Deblocking filter Deblocking filter