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ffmpeg / libavcodec / alpha / mpegvideo_alpha.c @ 186447f8

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# Date Author Comment
f7728bf6 09/13/2003 10:07 AM Falk Hüffner

Use asms instead of builtins when compiling for generic Alpha. Less
ugly.

Originally committed as revision 2270 to svn://svn.ffmpeg.org/ffmpeg/trunk

b0368839 03/03/2003 02:54 PM Michael Niedermayer

MpegEncContext.(i)dct_* -> DspContext.(i)dct_*
bitexact cleanup

Originally committed as revision 1617 to svn://svn.ffmpeg.org/ffmpeg/trunk

8b313a47 10/11/2002 11:01 PM Falk Hüffner

Move Alpha optimized IDCT to own file. Based on a patch by Måns
Rullgård <>.

I've left out the idctCol2 part, because W4 has recently been decreed
to be 16383, and also I doubt it will give a noticeable speedup.

Originally committed as revision 1029 to svn://svn.ffmpeg.org/ffmpeg/trunk

acd2e05c 10/07/2002 02:03 AM Falk Hüffner
  • Fix dct_unquantize_h263_axp for changed block_last_index indexing.
  • Set qadd to 0 for intra with h263_aic (whatever that may be).

Originally committed as revision 1009 to svn://svn.ffmpeg.org/ffmpeg/trunk

6c383066 10/05/2002 12:57 AM Falk Hüffner

Make compilable again after DCT cleanup. It gives wrong results,
though, so I disabled it for now. Anybody knows offhand what might be
the reason?

Originally committed as revision 1005 to svn://svn.ffmpeg.org/ffmpeg/trunk

2dbe7ec8 07/03/2002 11:30 PM Falk Hüffner

Make dct_unquantize_h263 work on systems without MVI extension.

Originally committed as revision 715 to svn://svn.ffmpeg.org/ffmpeg/trunk

e0580f8c 07/03/2002 03:01 AM Falk Hüffner

Update and activate dct_unquantize_h263_mvi. Thanks to Måns Rullgård
for some improvements.

Originally committed as revision 714 to svn://svn.ffmpeg.org/ffmpeg/trunk

db42e13b 06/24/2002 10:22 PM Falk Hüffner

Ugly hack to make the assembler accept MVI instructions.

Originally committed as revision 705 to svn://svn.ffmpeg.org/ffmpeg/trunk

ff4ec49e 05/25/2002 10:45 PM Fabrice Bellard

license/copyright change

Originally committed as revision 599 to svn://svn.ffmpeg.org/ffmpeg/trunk

1e98dffb 01/20/2002 02:48 PM Nick Kurshev

Alpha optimizations by Falk Hueffner <>

Originally committed as revision 274 to svn://svn.ffmpeg.org/ffmpeg/trunk