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Old 13th August 2005, 00:36   #9  |  Link
CiNcH
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Quote:
//<>\\ When they become available for use, take advantage of custom H.264 quantization matrices. These nifty little numerical spreadsheets control how and where different frames are quantized. Typically, these matrices are not in widespread circulation and are still being tweaked to provide the best quality possible. The x264 codec currently (rev. 285) does not support this feature.
It actually does. Guess that it is just not part of the VfW interface.

CLI:
Code:
--cqm <string>          Preset quant matrices ["flat"]
                            - jvt, flat
--cqmfile <string>      Read quant matrices from a JM-compatible file
                            Overrides any other --cqm* options.
--cqm4 <list>           Set all 4x4 quant matrices
                            Takes a comma-separated list of 16 integers.
--cqm8 <list>           Set all 8x8 quant matrices
                            Takes a comma-separated list of 64 integers.
--cqm4i, --cqm4p, --cqm8i, --cqm8p
                        Set both luma and chroma quant matrices
--cqm4iy, --cqm4ic, --cqm4py, --cqm4pc
                        Set individual quant matrices
Problem is that ffdshow still doesn't support CQM. Have to use Nero Digital AVC Decoder instead.


Interesting information on motion search engine/motion search algorithms in x264: Motion Search Method
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Last edited by CiNcH; 13th August 2005 at 01:16.
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