[XviD-devel] Help me in VHDL code for DCT processor on FPGA

[Vitaly Klucheny]

Hello!!

Can you send me example VHDL code for DCT processor on FPGA or DCT 
processor based CORDIC algorithm?

Best regards, Vitaly...


* sajid anwar <engrsajidanwar at gmail.com> [Sat, 30 Aug 2008 19:04:36 
+0900]:
> Hi All,
>
> I am quite new to MPEG-4 and in the process of developing an mpeg4 SP
> decoder.In this Xvid opensource is quite helpful. I have the following
> queries:
>
> 1- how to find the cbp for a block. Is it same like pattern_code in (
> ISO
> 6.2.7, Block( ) ) ? I think it represents coded blocks in the
> macroblock.
>
> 2- Can a block have  Zero DC Coefficient ?
>
> 3- How to find that All AC Coefficients of a block or Zero ?
>
> 4- If the cbp/pattern_code is zero, then do we have to consider
> pDst[0-63] =
> 0 , meaning that all the coefficients are zero.
>
> 5- and Finally on line 80 in decoder.c the statement " if (quant <
> intra_dc_threshold) " is used instead of use_intra_dc_VLC (ISO/IEC 
page
> 58,
> MPEG4 Visual). I dont know how this can be used for this test.
>
> Sorry for asking some poor questions but I am quite new to MPEG and 
need
> ur
> help. Other wise i will be in great trouble. Thanks for your kind 
help.
>
> *Kind Regards,
> *
> Anwar  Sajid
> _______________________________________________
> XviD-devel mailing list
> XviD-devel at xvid.org
> http://list.xvid.org/mailman/listinfo/xvid-devel

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