diff options
Diffstat (limited to 'src/video_out/deinterlace.c')
| -rw-r--r-- | src/video_out/deinterlace.c | 37 |
1 files changed, 22 insertions, 15 deletions
diff --git a/src/video_out/deinterlace.c b/src/video_out/deinterlace.c index afdc320bb..540941c20 100644 --- a/src/video_out/deinterlace.c +++ b/src/video_out/deinterlace.c @@ -27,10 +27,11 @@ #include <stdio.h> #include <string.h> #include "xine_internal.h" -#include "cpu_accel.h" #include "deinterlace.h" #include "memcpy.h" +#include "cpu_accel.c" +#include "memcpy.c" /* DeinterlaceFieldBob algorithm @@ -329,15 +330,17 @@ static int deinterlace_weave_yuv_mmx( uint8_t *pdst, uint8_t *psrc[], psubsw_r2r ( mm4, mm5 ); // mm5 = Oold - O psraw_i2r ( 1, mm5 ); // XXX pmullw_r2r ( mm5, mm5 ); // mm5 = (Oold - O) ^ 2 - psubusw_r2r ( mm5, mm3 ); // mm0 = TT - (Oold - O) ^ 2, or 0 if that's negative + psubusw_r2r ( mm5, mm3 ); /* mm0 = TT - (Oold - O) ^ 2, or 0 if that's negative */ paddusw_r2r ( mm3, mm7 ); // mm7 = our magic number - // Now compare the similarity totals against our threshold. The pcmpgtw - // instruction will populate the target register with a bunch of mask bits, - // filling words where the comparison is true with 1s and ones where it's - // false with 0s. A few ANDs and NOTs and an OR later, we have bobbed - // values for pixels under the similarity threshold and weaved ones for - // pixels over the threshold. + /* + * Now compare the similarity totals against our threshold. The pcmpgtw + * instruction will populate the target register with a bunch of mask bits, + * filling words where the comparison is true with 1s and ones where it's + * false with 0s. A few ANDs and NOTs and an OR later, we have bobbed + * values for pixels under the similarity threshold and weaved ones for + * pixels over the threshold. + */ pcmpgtw_m2r( *&qwThreshold, mm7 ); // mm7 = 0xffff where we're greater than the threshold, 0 elsewhere movq_r2r ( mm7, mm6 ); // mm6 = 0xffff where we're greater than the threshold, 0 elsewhere @@ -521,7 +524,7 @@ static int deinterlace_greedy_yuv_mmx( uint8_t *pdst, uint8_t *psrc[], } } - // Copy last odd line if we're processing an Odd field. + /* Copy last odd line if we're processing an Odd field. */ if (IsOdd) { fast_memcpy(pdst + (height * 2 - 1) * LineLength, @@ -529,7 +532,7 @@ static int deinterlace_greedy_yuv_mmx( uint8_t *pdst, uint8_t *psrc[], LineLength); } - // clear out the MMX registers ready for doing floating point again + /* clear out the MMX registers ready for doing floating point again */ emms(); #endif @@ -559,8 +562,11 @@ static void deinterlace_onefield_yuv_mmx( uint8_t *pdst, uint8_t *psrc[], static mmx_t Mask = {ub:{0xfe,0xfe,0xfe,0xfe,0xfe,0xfe,0xfe,0xfe}}; - // copy first even line no matter what, and the first odd line if we're - // processing an odd field. + /* + * copy first even line no matter what, and the first odd line if we're + * processing an odd field. + */ + fast_memcpy(pdst, pEvenLines, LineLength); if (IsOdd) fast_memcpy(pdst + LineLength, pOddLines, LineLength); @@ -601,7 +607,7 @@ static void deinterlace_onefield_yuv_mmx( uint8_t *pdst, uint8_t *psrc[], } } - // Copy last odd line if we're processing an even field. + /* Copy last odd line if we're processing an even field. */ if (! IsOdd) { fast_memcpy(pdst + (height * 2 - 1) * LineLength, @@ -609,8 +615,9 @@ static void deinterlace_onefield_yuv_mmx( uint8_t *pdst, uint8_t *psrc[], LineLength); } - // clear out the MMX registers ready for doing floating point - // again + /* clear out the MMX registers ready for doing floating point + * again + */ emms(); #endif } |