diff options
| -rw-r--r-- | recordmydesktop/include/rmdmacro.h | 42 |
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;\ }\ } |