diff options
Diffstat (limited to 'recordmydesktop/src/rmd_yuv_utils.h')
| -rw-r--r-- | recordmydesktop/src/rmd_yuv_utils.h | 135 |
1 files changed, 134 insertions, 1 deletions
diff --git a/recordmydesktop/src/rmd_yuv_utils.h b/recordmydesktop/src/rmd_yuv_utils.h index b1af63b..a8960a4 100644 --- a/recordmydesktop/src/rmd_yuv_utils.h +++ b/recordmydesktop/src/rmd_yuv_utils.h @@ -27,7 +27,6 @@ #ifndef YUV_UTILS_H #define YUV_UTILS_H 1 -#include "rmd_block_utils.h" #include "rmd_macro.h" #include "rmd_types.h" @@ -39,6 +38,15 @@ extern unsigned char Yr[256], Yg[256], Yb[256], Vg[256], Vb[256]; +// We keep these global for now. FIXME: Isolate them. +extern u_int32_t *yblocks, + *ublocks, + *vblocks; + +#define POINT_IN_BLOCK(xv,yv,widthv,blocksize) ((yv/blocksize)*\ + (widthv/blocksize)+\ + (xv/blocksize)) + //when adding the r values, we go beyond //the (16 bit)range of the t_val variable, but we are performing //32 bit arithmetics, so there's no problem. @@ -238,6 +246,131 @@ extern unsigned char Yr[256], Yg[256], Yb[256], }\ } +#define UPDATE_Y_PLANE_DBUF(data,\ + data_back,\ + x_tm,\ + y_tm,\ + height_tm,\ + width_tm,\ + yuv,\ + __bit_depth__){ \ + int k,i;\ + register u_int##__bit_depth__##_t t_val;\ + register unsigned char *yuv_y=yuv->y+x_tm+y_tm*yuv->y_width,\ + *_yr=Yr,*_yg=Yg,*_yb=Yb;\ + register u_int##__bit_depth__##_t *datapi=(u_int##__bit_depth__##_t *)data,\ + *datapi_back=(u_int##__bit_depth__##_t *)data_back;\ + for(k=0;k<height_tm;k++){\ + for(i=0;i<width_tm;i++){\ + if(*datapi!=*datapi_back){\ + t_val=*datapi;\ + *yuv_y=_yr[__RVALUE_##__bit_depth__(t_val)] +\ + _yg[__GVALUE_##__bit_depth__(t_val)] +\ + _yb[__BVALUE_##__bit_depth__(t_val)] ;\ + yblocks[POINT_IN_BLOCK(i,k,width_tm,Y_UNIT_WIDTH)]=1;\ + }\ + datapi++;\ + datapi_back++;\ + yuv_y++;\ + }\ + yuv_y+=yuv->y_width-width_tm;\ + }\ +} + +#define UPDATE_UV_PLANES_DBUF( data,\ + data_back,\ + x_tm,\ + y_tm,\ + height_tm,\ + width_tm,\ + yuv,\ + __sampling_type,\ + __bit_depth__){ \ + int k,i;\ + register u_int##__bit_depth__##_t t_val;\ + register unsigned char *yuv_u=yuv->u+x_tm/2+(y_tm*yuv->uv_width)/2,\ + *yuv_v=yuv->v+x_tm/2+(y_tm*yuv->uv_width)/2,\ + *_ur=Ur,*_ug=Ug,*_ubvr=UbVr,\ + *_vg=Vg,*_vb=Vb;\ + register u_int##__bit_depth__##_t *datapi=(u_int##__bit_depth__##_t *)data,\ + *datapi_next=NULL,\ + *datapi_back=(u_int##__bit_depth__##_t *)data_back,\ + *datapi_back_next=NULL;\ + if(__sampling_type==__PXL_AVERAGE){\ + datapi_next=datapi+width_tm;\ + datapi_back_next=datapi_back+width_tm;\ + for(k=0;k<height_tm;k+=2){\ + for(i=0;i<width_tm;i+=2){\ + if(( (*datapi!=*datapi_back) ||\ + (*(datapi+1)!=*(datapi_back+1)) ||\ + (*datapi_next!=*datapi_back_next) ||\ + (*(datapi_next+1)!=*(datapi_back_next+1)))){\ + UPDATE_A_UV_PIXEL( yuv_u,\ + yuv_v,\ + t_val,\ + datapi,\ + datapi_next,\ + _ur,_ug,_ubvr,_vg,_vb,\ + __sampling_type,\ + __bit_depth__)\ + ublocks[POINT_IN_BLOCK(i,k,width_tm,Y_UNIT_WIDTH)]=1;\ + vblocks[POINT_IN_BLOCK(i,k,width_tm,Y_UNIT_WIDTH)]=1;\ + }\ + datapi+=2;\ + datapi_back+=2;\ + if(__sampling_type==__PXL_AVERAGE){\ + datapi_next+=2;\ + datapi_back_next+=2;\ + }\ + yuv_u++;\ + yuv_v++;\ + }\ + yuv_u+=(yuv->y_width-width_tm)/2;\ + yuv_v+=(yuv->y_width-width_tm)/2;\ + datapi+=width_tm;\ + datapi_back+=width_tm;\ + if(__sampling_type==__PXL_AVERAGE){\ + datapi_next+=width_tm;\ + datapi_back_next+=width_tm;\ + }\ + }\ + }\ + else{\ + for(k=0;k<height_tm;k+=2){\ + for(i=0;i<width_tm;i+=2){\ + if ((*datapi!=*datapi_back)){\ + UPDATE_A_UV_PIXEL( yuv_u,\ + yuv_v,\ + t_val,\ + datapi,\ + datapi_next,\ + _ur,_ug,_ubvr,_vg,_vb,\ + __sampling_type,\ + __bit_depth__)\ + ublocks[POINT_IN_BLOCK(i,k,width_tm,Y_UNIT_WIDTH)]=1;\ + vblocks[POINT_IN_BLOCK(i,k,width_tm,Y_UNIT_WIDTH)]=1;\ + }\ + datapi+=2;\ + datapi_back+=2;\ + if(__sampling_type==__PXL_AVERAGE){\ + datapi_next+=2;\ + datapi_back_next+=2;\ + }\ + yuv_u++;\ + yuv_v++;\ + }\ + yuv_u+=(yuv->y_width-width_tm)/2;\ + yuv_v+=(yuv->y_width-width_tm)/2;\ + datapi+=width_tm;\ + datapi_back+=width_tm;\ + if(__sampling_type==__PXL_AVERAGE){\ + datapi_next+=width_tm;\ + datapi_back_next+=width_tm;\ + }\ + }\ + }\ +} + /** * Fill Yr,Yg,Yb,Ur,Ug.Ub,Vr,Vg,Vb arrays(globals) with values. */ |