Help me in VHDL code for DCT processor on FPGA
Vitaly Klucheny <[email protected]>
| Newsgroups | gmane.comp.video.xvid.devel |
|---|---|
| Message-ID | <[email protected]> |
Hello!! Can you send me example VHDL code for DCT processor on FPGA or DCT processor based CORDIC algorithm? Best regards, Vitaly... * sajid anwar <[email protected]> [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 > [email protected] > http://list.xvid.org/mailman/listinfo/xvid-devel -- С наилучшими пожеланиями Виталий e-mail: [email protected] -- Продаешь автомобиль? Размести объявление на Авторамблере! http://autorambler.ru/sellyourcar/ _______________________________________________ XviD-devel mailing list [email protected] http://list.xvid.org/mailman/listinfo/xvid-devel