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Fix some bugs handling input that is not aligned at 16 bytes or has

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stride!=width.


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@18323 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
pacman 2006-04-27 21:42:41 +00:00
parent 9d12ded234
commit 326fa789c6
1 changed files with 11 additions and 5 deletions
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16
postproc/yuv2rgb_altivec.c
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@ -278,7 +278,7 @@ static int altivec_##name (SwsContext *c, \
vector signed short R1,G1,B1; \ vector signed short R1,G1,B1; \
vector unsigned char R,G,B; \ vector unsigned char R,G,B; \
\ \
vector unsigned char *uivP, *vivP; \ vector unsigned char *y1ivP, *y2ivP, *uivP, *vivP; \
vector unsigned char align_perm; \ vector unsigned char align_perm; \
\ \
vector signed short \ vector signed short \
@ -292,7 +292,7 @@ static int altivec_##name (SwsContext *c, \
vector unsigned short lCSHIFT = c->CSHIFT; \ vector unsigned short lCSHIFT = c->CSHIFT; \
\ \
ubyte *y1i = in[0]; \ ubyte *y1i = in[0]; \
ubyte *y2i = in[0]+w; \ ubyte *y2i = in[0]+instrides[0]; \
ubyte *ui = in[1]; \ ubyte *ui = in[1]; \
ubyte *vi = in[2]; \ ubyte *vi = in[2]; \
\ \
@ -304,7 +304,7 @@ static int altivec_##name (SwsContext *c, \
(oplanes[0]+srcSliceY*outstrides[0]+outstrides[0]); \ (oplanes[0]+srcSliceY*outstrides[0]+outstrides[0]); \
\ \
\ \
instrides_scl[0] = instrides[0]; \ instrides_scl[0] = instrides[0]*2-w; /* the loop moves y{1,2}i by w */ \
instrides_scl[1] = instrides[1]-w/2; /* the loop moves ui by w/2 */ \ instrides_scl[1] = instrides[1]-w/2; /* the loop moves ui by w/2 */ \
instrides_scl[2] = instrides[2]-w/2; /* the loop moves vi by w/2 */ \ instrides_scl[2] = instrides[2]-w/2; /* the loop moves vi by w/2 */ \
\ \
@ -315,11 +315,17 @@ static int altivec_##name (SwsContext *c, \
\ \
for (j=0;j<w/16;j++) { \ for (j=0;j<w/16;j++) { \
\ \
y0 = vec_ldl (0,y1i); \ y1ivP = (vector unsigned char *)y1i; \
y1 = vec_ldl (0,y2i); \ y2ivP = (vector unsigned char *)y2i; \
uivP = (vector unsigned char *)ui; \ uivP = (vector unsigned char *)ui; \
vivP = (vector unsigned char *)vi; \ vivP = (vector unsigned char *)vi; \
\ \
align_perm = vec_lvsl (0, y1i); \
y0 = (vector unsigned char)vec_perm (y1ivP[0], y1ivP[1], align_perm);\
\
align_perm = vec_lvsl (0, y2i); \
y1 = (vector unsigned char)vec_perm (y2ivP[0], y2ivP[1], align_perm);\
\
align_perm = vec_lvsl (0, ui); \ align_perm = vec_lvsl (0, ui); \
u = (vector signed char)vec_perm (uivP[0], uivP[1], align_perm); \ u = (vector signed char)vec_perm (uivP[0], uivP[1], align_perm); \
\ \