CXM_MACROBLOCK_SIZE
/ (macroblocks_per_line * CXM_MACROBLOCK_SIZE);
+ i * macroblocks_per_line * CXM_MACROBLOCK_SIZE
#if CXM_MACROBLOCK_SIZE % 256
/ (macroblocks_per_line * CXM_MACROBLOCK_SIZE);
* macroblocks_per_line * CXM_MACROBLOCK_SIZE;