Displaying 4 results from an estimated 4 matches for "oc_idct8x8_mmx".
2010 May 18
2
idct8x8 C version in libtheora1.1 release
When using the IDCT routines, the C version [ lib/idct.c:
oc_idct8x8_c(ogg_int16_t _y[64],int _last_zzi)] in libtheora 1.1.1, the
decoded image is garbled. Is it functionally equivalent to the MMX optimized
version [lib/x86/mmxidct.c: oc_idct8x8_mmx(ogg_int16_t _y[64],int
_last_zzi)] ?
I used some of the Theora video files from here:
http://wiki.xiph.org/index.php/List_of_Theora_videos for testing with
firefox browser. For testing purposes, I called the C version of IDCT
routine instead of the MMX optimized version. Is there any documentation...
2005 Jul 20
1
MMX IDCT for theora-exp
...5.5062 38650 9.9578 dump oc_frag_recon_inter2_mmx
24133 4.2734 12945 3.3352 dump oc_frag_pred_dc
22053 3.9051 11120 2.8650 dump oc_huff_token_decode
12497 2.2129 163 0.0420 dump oc_idct8x8_mmx
10376 1.8374 22113 5.6972 dump oc_frag_recon_inter_mmx
9553 1.6916 266 0.0685 dump oc_idct8x8_10_mmx
9489 1.6803 1123 0.2893 dump theora_look
9401 1.6647 3291 0.8479 dump o...
2005 Aug 17
2
MMX loop filter for theora-exp
...4.7596 17433 3.3250 dump oc_frag_pred_dc
26958 3.8858 15152 2.8900 dump oc_huff_token_decode
15535 2.2393 31301 5.9701 dump oc_frag_recon_inter_mmx
14941 2.1537 280 0.0534 dump oc_idct8x8_mmx
12614 1.8182 648 0.1236 dump oc_idct8x8_10_mmx
11807 1.7019 1371 0.2615 dump theora_look
Patch is in the attachment and is NOT intended to be checked into SVN. The purpose is to give out
some in-progress version, because I will leave t...
2005 Aug 20
0
[PATCH] remove some FZIGZAG
...t _ncoefs,
+ int _pli,ogg_int16_t _dct_coeffs[128],int _last_zzi,int _ncoefs,
ogg_uint16_t _dc_iquant,const ogg_uint16_t _ac_iquant[64]);
void oc_restore_fpu_mmx(void);
void oc_idct8x8_mmx(ogg_int16_t _y[64]);