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-rw-r--r--recordmydesktop/include/rmdmacro.h42
1 files changed, 25 insertions, 17 deletions
diff --git a/recordmydesktop/include/rmdmacro.h b/recordmydesktop/include/rmdmacro.h
index 9c49292..eaa6180 100644
--- a/recordmydesktop/include/rmdmacro.h
+++ b/recordmydesktop/include/rmdmacro.h
@@ -540,14 +540,17 @@
y_tm,\
width_tm,\
height_tm,\
+ x_offset,\
+ y_offset,\
column_discard_stride){\
int i,k,j=0;\
unsigned char avg0,avg1,avg2,avg3;\
int x_2=x_tm/2,y_2=y_tm/2;\
- for(k=0;k<height_tm;k++){\
- for(i=0;i<width_tm;i++){\
- yuv->y[x_tm+i+(k+y_tm)*yuv->y_width]=\
- (yuv->y[x_tm+i+(k+y_tm)*yuv->y_width]*\
+ for(k=y_offset;k<y_offset+height_tm;k++){\
+ for(i=x_offset;i<x_offset+width_tm;i++){\
+ j=k*(width_tm+column_discard_stride)+i;\
+ yuv->y[x_tm+(i-x_offset)+(k+y_tm-y_offset)*yuv->y_width]=\
+ (yuv->y[x_tm+(i-x_offset)+(k-y_offset+y_tm)*yuv->y_width]*\
(UCHAR_MAX-data[(j*RMD_ULONG_SIZE_T)+__ABYTE])+\
(Yr[data[(j*RMD_ULONG_SIZE_T)+__RBYTE]]+\
Yg[data[(j*RMD_ULONG_SIZE_T)+__GBYTE]] +\
@@ -566,16 +569,20 @@
avg0=AVG_4_PIXELS(data,\
(width_tm+column_discard_stride),\
k,i,__BBYTE);\
- yuv->u[x_2+i/2+(k/2+y_2)*yuv->uv_width]=\
- (yuv->u[x_2+i/2+(k/2+y_2)*yuv->uv_width]*(UCHAR_MAX-avg3)+\
+ yuv->u[x_2+(i-x_offset)/2+((k-y_offset)/2+y_2)*\
+ yuv->uv_width]=\
+ (yuv->u[x_2+(i-x_offset)/2+((k-y_offset)/2+y_2)*\
+ yuv->uv_width]*\
+ (UCHAR_MAX-avg3)+\
(Ur[avg2] + Ug[avg1] +UbVr[avg0])*avg3)/UCHAR_MAX;\
- yuv->v[x_2+i/2+(k/2+y_2)*yuv->uv_width]=\
- (yuv->v[x_2+i/2+(k/2+y_2)*yuv->uv_width]*(UCHAR_MAX-avg3)+\
+ yuv->v[x_2+(i-x_offset)/2+((k-y_offset)/2+y_2)*\
+ yuv->uv_width]=\
+ (yuv->v[x_2+(i-x_offset)/2+((k-y_offset)/2+y_2)*\
+ yuv->uv_width]*\
+ (UCHAR_MAX-avg3)+\
(UbVr[avg2] + Vg[avg1] +Vb[avg0])*avg3)/UCHAR_MAX;\
}\
- j++;\
}\
- j+=column_discard_stride;\
}\
}
@@ -585,30 +592,31 @@
y_tm,\
width_tm,\
height_tm,\
+ x_offset,\
+ y_offset,\
no_pixel){\
int i,k,j=0;\
int x_2=x_tm/2,y_2=y_tm/2,y_width_2=(yuv)->y_width/2;\
- for(k=0;k<height_tm;k++){\
- for(i=0;i<width_tm;i++){\
+ for(k=y_offset;k<y_offset+height_tm;k++){\
+ for(i=x_offset;i<x_offset+width_tm;i++){\
+ j=k*16+i;\
if(data_tm[(j*4)]!=(no_pixel)){\
- (yuv)->y[x_tm+i+(k+y_tm)*(yuv)->y_width]=\
+ (yuv)->y[x_tm+(i-x_offset)+((k-y_offset)+y_tm)*(yuv)->y_width]=\
Yr[data_tm[(j*4)+__RBYTE]] +\
Yg[data_tm[(j*4)+__GBYTE]] +\
Yb[data_tm[(j*4)+__BBYTE]];\
if((k%2)&&(i%2)){\
- yuv->u[x_2+i/2+(k/2+y_2)*y_width_2]=\
+ yuv->u[x_2+(i-x_offset)/2+((k-y_offset)/2+y_2)*y_width_2]=\
Ur[data_tm[(k*width_tm+i)*4+__RBYTE]] +\
Ug[data_tm[(k*width_tm+i)*4+__GBYTE]] +\
UbVr[data_tm[(k*width_tm+i)*4+__BBYTE]];\
- yuv->v[x_2+i/2+(k/2+y_2)*y_width_2]=\
+ yuv->v[x_2+(i-x_offset)/2+((k-y_offset)/2+y_2)*y_width_2]=\
UbVr[data_tm[(k*width_tm+i)*4+__RBYTE]] +\
Vg[data_tm[(k*width_tm+i)*4+__GBYTE]] +\
Vb[data_tm[(k*width_tm+i)*4+__BBYTE]] ;\
}\
}\
- j++;\
}\
- j+=16-width_tm;\
}\
}
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