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dequantize
2011 Mar 22
0
FPGA implementation in the camera
...t produce 6
8x8 blocks (one macroblock) on the output.
2. Corresponding 6 blocks from the previous frame are fetched from the
same FB in parallel, subtracted from the new frame (if it is not a golden)
and processed by the DCT and quantizator.
3. After the quantizator data in one branch goes through dequantizator,
IDCT and back to FB to be fetched with the next frame.
4. In parallel to (3) 64 coefficients are RLL encoded and saved to the FB.
At least at first - no EOB runs covering several blocks as the blocks will
be processed in a single-pass macroblock order, not plane order.
5. Separate process will...