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deinterlace: bugfix to CalculateInterlaceScore()

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Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>
This commit is contained in:
Juha Jeronen 2011-05-02 17:30:45 +03:00 committed by Jean-Baptiste Kempf
parent eb4b233b71
commit 236fd4303c
1 changed files with 6 additions and 5 deletions
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11
modules/video_filter/deinterlace/helpers.c
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@ -469,7 +469,8 @@ int CalculateInterlaceScore( const picture_t* p_pic_top,
/* Amount of bits must be known for MMX, thus int32_t.
Doesn't hurt the C implementation. */
int32_t i_score = 0;
int32_t i_score_mmx = 0; /* this must be divided by 255 when finished */
int32_t i_score_c = 0; /* this counts as-is (used for non-MMX parts) */
#ifdef CAN_COMPILE_MMXEXT
unsigned u_cpu = vlc_CPU();
@ -579,7 +580,7 @@ int CalculateInterlaceScore( const picture_t* p_pic_top,
*/
int_fast32_t comb = (P - C) * (N - C);
if( comb > T )
++i_score;
++i_score_c;
++p_c;
++p_p;
@ -599,12 +600,12 @@ int CalculateInterlaceScore( const picture_t* p_pic_top,
#ifdef CAN_COMPILE_MMXEXT
if( u_cpu & CPU_CAPABILITY_MMXEXT )
{
movd_r2m( mm7, i_score );
movd_r2m( mm7, i_score_mmx );
emms();
i_score /= 255;
i_score_mmx /= 255;
}
#endif
return i_score;
return i_score_mmx + i_score_c;
}
#undef T