Parameter Level 3.0 3.1 Maximum number of MBs per 36000 40500 second Maximum number of MBs per 1620 1620 frame Maximum MB coding bit rate 4096 4096 (bits/second) Maximum bit rate (bits/second) 6000000 8000000 Maximum decoded picture buffer 1555200 1555200 size (bytes) Maximum coded picture buffer 6000000 8000000 size (bits) Maximum range of horizontal [-2048,2047.75] [-2048,2047.75] motion vector Maximum range of vertical [-256,255.75] [-256,255,75] motion vector Max SubMbRectSize (bytes) 572 572 Minimum compression ratio 2 2 Table-2.5: Limits on the syntax elements of Jiben profile for Level 3.X [45] 2.3 Block mode prediction modes: – 2.3.1- Intra prediction: The intra predictions are derived from the neighboring pixels in left and top blocks. There are 9 intra_4*4 modes as shown in Figure 2.11. The unit size of intra prediction is 4×4 because of the 4×4 integer cosine transform (ICT) used by AVS-M. Some specific techniques are working together with 4_4 intraprediction,
Parameter Level 3.0 3.1 Maximum number of MBs per second 36000 40500 Maximum number of MBs per frame 1620 1620 Maximum MB coding bit rate (bits/second) 4096 4096 Maximum bit rate (bits/second) 6000000 8000000 Maximum decoded picture buffer size (bytes) 1555200 1555200 Maximum coded picture buffer size (bits) 6000000 8000000 Maximum range of horizontal motion vector [-2048,2047.75] [-2048,2047.75] Maximum range of vertical motion vector [-256,255.75] [-256,255,75] Max SubMbRectSize (bytes) 572 572 Minimum compression ratio 2 2 Table-2.5: Limits on the syntax elements of Jiben profile for Level 3.X [45] 2.3 – Block mode prediction modes: 2.3.1- Intra prediction: The intra predictions are derived from the neighboring pixels in left and top blocks. There are 9 intra_4*4 modes as shown in Figure 2.11. The unit size of intra prediction is 4×4 because of the 4×4 integer cosine transform (ICT) used by AVS-M. Some specific techniques are working together with 4_4 intraprediction,
pragnestheis.docx