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authorMarc Hoffman <mmhoffm@gmail.com>2007-06-22 00:07:55 +0000
committerMarc Hoffman <mmhoffm@gmail.com>2007-06-22 00:07:55 +0000
commit45eeae39ac0978e97a7cb1703fa9f961894ce327 (patch)
treec84774494c2bab08b13d97af3765765df6b83435 /libswscale
parent43399718fb15d7c3a4cd91b508f8e3898a2a693c (diff)
downloadffmpeg-45eeae39ac0978e97a7cb1703fa9f961894ce327.tar.gz
correct chroma skewing bug, caused by incorrect stride adjustments
Originally committed as revision 23601 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
Diffstat (limited to 'libswscale')
-rw-r--r--libswscale/internal_bfin.S14
1 files changed, 9 insertions, 5 deletions
diff --git a/libswscale/internal_bfin.S b/libswscale/internal_bfin.S
index c413f2f879..9ed98c38eb 100644
--- a/libswscale/internal_bfin.S
+++ b/libswscale/internal_bfin.S
@@ -476,24 +476,26 @@ DEFUN(uyvytoyv12, mL3, (const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8
r1 = [fp + ARG_srcStride];
r2 = r0 + r1;
- r1 += -16;
+ r1 += -8;
m0 = r1;
i0 = r0; // uyvy_T even
i1 = r2; // uyvy_B odd
- r2 = [fp + ARG_chromStride];
- m1 = r2;
-
p2 = [fp + ARG_lumStride];
p1 = p0 + p2; // Y bot odd
- p2 += -4;
p5 = [fp + ARG_width];
p4 = [fp + ARG_height];
+ r0 = p5;
p4 = p4 >> 1;
p5 = p5 >> 2;
+ r2 = [fp + ARG_chromStride];
+ r0 = r0 >> 1;
+ r2 = r2 - r0;
+ m1 = r2;
+
r6.l = w[i2--]; r6.l = w[i2];
r6.h = w[i3--]; r6.h = w[i3];
/* I0,I1 - src input line pointers
@@ -521,6 +523,8 @@ DEFUN(uyvytoyv12, mL3, (const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8
i0 += m0;
i1 += m0;
+ i2 += m1;
+ i3 += m1;
p0 = p0 + p2;
1: p1 = p1 + p2;