diff options
Diffstat (limited to 'recordmydesktop')
| -rw-r--r-- | recordmydesktop/src/rmd_yuv_utils.c | 124 |
1 files changed, 57 insertions, 67 deletions
diff --git a/recordmydesktop/src/rmd_yuv_utils.c b/recordmydesktop/src/rmd_yuv_utils.c index c4bc2e8..6d05c43 100644 --- a/recordmydesktop/src/rmd_yuv_utils.c +++ b/recordmydesktop/src/rmd_yuv_utils.c @@ -88,7 +88,6 @@ void rmdMakeMatrices (void) { } } - static inline int blocknum(int xv, int yv, int widthv, int blocksize) { return ((yv/blocksize) * (widthv/blocksize) + (xv/blocksize)); @@ -101,26 +100,27 @@ static inline int blocknum(int xv, int yv, int widthv, int blocksize) #define UPDATE_Y_PLANE( data, \ x_tm, \ y_tm, \ - height_tm, \ width_tm, \ + height_tm, \ yuv, \ - __depth__){ \ + __depth__) { \ \ - register u_int##__depth__##_t t_val; \ - register unsigned char *yuv_Y = (yuv)->y + x_tm + y_tm * (yuv)->y_width, \ + register unsigned char *yuv_Y = (yuv)->y + x_tm + y_tm * (yuv)->y_stride, \ *_yr = Yr, *_yg = Yg, *_yb = Yb; \ register u_int##__depth__##_t *datapi = (u_int##__depth__##_t *)data; \ \ - for(int k = 0; k < height_tm; k++) { \ - for(int i = 0; i < width_tm; i++) { \ - t_val = *datapi; \ + for (int k = 0; k < height_tm; k++) { \ + for (int i = 0; i < width_tm; i++) { \ + register u_int##__depth__##_t t_val = *datapi; \ + \ *yuv_Y = _yr[__RVALUE_##__depth__(t_val)] + \ _yg[__GVALUE_##__depth__(t_val)] + \ _yb[__BVALUE_##__depth__(t_val)]; \ datapi++; \ yuv_Y++; \ } \ - yuv_Y += (yuv)->y_width - width_tm; \ + \ + yuv_Y += (yuv)->y_stride - width_tm; \ } \ } @@ -187,12 +187,11 @@ static inline int blocknum(int xv, int yv, int widthv, int blocksize) _vg[__GVALUE_##__depth__(t_val)] + \ _vb[__BVALUE_##__depth__(t_val)]; - #define UPDATE_UV_PLANES( data, \ x_tm, \ y_tm, \ - height_tm, \ width_tm, \ + height_tm, \ yuv, \ sampling, \ __depth__) { \ @@ -207,11 +206,11 @@ static inline int blocknum(int xv, int yv, int widthv, int blocksize) register u_int##__depth__##_t *datapi = (u_int##__depth__##_t *)data, \ *datapi_next = NULL; \ \ - if(sampling == __PXL_AVERAGE) \ + if (sampling == __PXL_AVERAGE) \ datapi_next = datapi + width_tm; \ \ - for(int k = 0; k < height_tm; k += 2) { \ - for(int i = 0; i < width_tm; i += 2) { \ + for (int k = 0; k < height_tm; k += 2) { \ + for (int i = 0; i < width_tm; i += 2) { \ UPDATE_A_UV_PIXEL( yuv_U, \ yuv_V, \ t_val, \ @@ -222,18 +221,18 @@ static inline int blocknum(int xv, int yv, int widthv, int blocksize) __depth__); \ \ datapi += 2; \ - if(sampling==__PXL_AVERAGE) \ + if (sampling == __PXL_AVERAGE) \ datapi_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; \ + yuv_U += ((yuv)->y_stride - width_tm) >> 1; \ + yuv_V += ((yuv)->y_stride - width_tm) >> 1; \ \ - if(sampling==__PXL_AVERAGE) \ - datapi_next+=width_tm; \ + datapi += width_tm; \ + if (sampling == __PXL_AVERAGE) \ + datapi_next += width_tm; \ } \ } @@ -241,31 +240,31 @@ static inline int blocknum(int xv, int yv, int widthv, int blocksize) data_back, \ x_tm, \ y_tm, \ - height_tm, \ width_tm, \ + height_tm, \ yuv, \ __depth__) { \ \ register u_int##__depth__##_t t_val; \ - register unsigned char *yuv_Y = (yuv)->y + x_tm + y_tm * (yuv)->y_width, \ + register unsigned char *yuv_Y = (yuv)->y + x_tm + y_tm * (yuv)->y_stride, \ *_yr = Yr, *_yg = Yg, *_yb = Yb; \ register u_int##__depth__##_t *datapi = (u_int##__depth__##_t *)data, \ *datapi_back = (u_int##__depth__##_t *)data_back; \ \ - for(int k = 0; k < height_tm; k++) { \ - for(int i = 0; i < width_tm; i++) { \ - if(*datapi != *datapi_back) { \ + for (int k = 0; k < height_tm; k++) { \ + for (int i = 0; i < width_tm; i++) { \ + if (*datapi != *datapi_back) { \ t_val = *datapi; \ - *yuv_Y = _yr[__RVALUE_##__depth__(t_val)] + \ - _yg[__GVALUE_##__depth__(t_val)] + \ - _yb[__BVALUE_##__depth__(t_val)]; \ + *yuv_Y = _yr[__RVALUE_##__depth__(t_val)] + \ + _yg[__GVALUE_##__depth__(t_val)] + \ + _yb[__BVALUE_##__depth__(t_val)]; \ yblocks[blocknum(i, k, width_tm, Y_UNIT_WIDTH)] = 1; \ } \ datapi++; \ datapi_back++; \ yuv_Y++; \ } \ - yuv_Y += (yuv)->y_width-width_tm; \ + yuv_Y += (yuv)->y_stride - width_tm; \ } \ } @@ -273,8 +272,8 @@ static inline int blocknum(int xv, int yv, int widthv, int blocksize) data_back, \ x_tm, \ y_tm, \ - height_tm, \ width_tm, \ + height_tm, \ yuv, \ sampling, \ __depth__) { \ @@ -298,7 +297,7 @@ static inline int blocknum(int xv, int yv, int widthv, int blocksize) \ for (int k = 0; k < height_tm; k += 2) { \ for (int i = 0; i < width_tm; i += 2) { \ - if ( ( (*datapi != *datapi_back) || \ + if ( (*datapi != *datapi_back || \ (*(datapi + 1) != *(datapi_back + 1)) || \ (*datapi_next != *datapi_back_next) || \ (*(datapi_next + 1) != *(datapi_back_next + 1)))) { \ @@ -318,23 +317,20 @@ static inline int blocknum(int xv, int yv, int widthv, int blocksize) \ datapi += 2; \ datapi_back += 2; \ - if (sampling == __PXL_AVERAGE) { \ - datapi_next += 2; \ - datapi_back_next += 2; \ - } \ + 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; \ + yuv_U += ((yuv)->y_stride - width_tm) >> 1; \ + yuv_V += ((yuv)->y_stride - width_tm) >> 1; \ + \ datapi += width_tm; \ datapi_back += width_tm; \ - \ - if (sampling == __PXL_AVERAGE) { \ - datapi_next += width_tm; \ - datapi_back_next += width_tm; \ - } \ + datapi_next += width_tm; \ + datapi_back_next += width_tm; \ } \ } else { \ for (int k = 0; k < height_tm; k += 2) { \ @@ -345,35 +341,30 @@ static inline int blocknum(int xv, int yv, int widthv, int blocksize) t_val, \ datapi, \ datapi_next, \ - _ur,_ug,_ubvr,_vg,_vb, \ + _ur, _ug, _ubvr, _vg, _vb, \ sampling, \ __depth__); \ \ ublocks[blocknum(i, k, width_tm, Y_UNIT_WIDTH)] = 1; \ vblocks[blocknum(i, k, width_tm, Y_UNIT_WIDTH)] = 1; \ } \ + \ datapi += 2; \ datapi_back += 2; \ - if (sampling == __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; \ + \ + yuv_U += ((yuv)->y_stride - width_tm) >> 1; \ + yuv_V += ((yuv)->y_stride - width_tm) >> 1; \ + \ datapi += width_tm; \ datapi_back += width_tm; \ - if (sampling == __PXL_AVERAGE) { \ - datapi_next += width_tm; \ - datapi_back_next += width_tm; \ - } \ } \ } \ } - void rmdUpdateYuvBuffer( yuv_buffer *yuv, unsigned char *data, unsigned char *data_back, @@ -381,33 +372,33 @@ void rmdUpdateYuvBuffer( yuv_buffer *yuv, int y_tm, int width_tm, int height_tm, - int sampling_type, - int color_depth) { + int sampling, + int depth) { if (data_back == NULL) { - switch (color_depth) { + switch (depth) { case 24: case 32: - UPDATE_Y_PLANE(data, x_tm, y_tm, height_tm, width_tm, yuv, 32); - UPDATE_UV_PLANES(data, x_tm, y_tm, height_tm, width_tm, yuv, sampling_type, 32); + UPDATE_Y_PLANE(data, x_tm, y_tm, width_tm, height_tm, yuv, 32); + UPDATE_UV_PLANES(data, x_tm, y_tm, width_tm, height_tm, yuv, sampling, 32); break; case 16: - UPDATE_Y_PLANE(data, x_tm, y_tm, height_tm, width_tm, yuv, 16); - UPDATE_UV_PLANES(data, x_tm, y_tm, height_tm, width_tm, yuv, sampling_type, 16); + UPDATE_Y_PLANE(data, x_tm, y_tm, width_tm, height_tm, yuv, 16); + UPDATE_UV_PLANES(data, x_tm, y_tm, width_tm, height_tm, yuv, sampling, 16); break; default: assert(0); } } else { - switch (color_depth) { + switch (depth) { case 24: case 32: - UPDATE_Y_PLANE_DBUF(data, data_back, x_tm, y_tm, height_tm, width_tm, yuv, 32); - UPDATE_UV_PLANES_DBUF(data, data_back, x_tm, y_tm, height_tm, width_tm, yuv, sampling_type, 32); + UPDATE_Y_PLANE_DBUF(data, data_back, x_tm, y_tm, width_tm, height_tm, yuv, 32); + UPDATE_UV_PLANES_DBUF(data, data_back, x_tm, y_tm, width_tm, height_tm, yuv, sampling, 32); break; case 16: - UPDATE_Y_PLANE_DBUF(data, data_back, x_tm, y_tm, height_tm, width_tm, yuv, 16); - UPDATE_UV_PLANES_DBUF(data, data_back, x_tm, y_tm, height_tm, width_tm, yuv, sampling_type, 16); + UPDATE_Y_PLANE_DBUF(data, data_back, x_tm, y_tm, width_tm, height_tm, yuv, 16); + UPDATE_UV_PLANES_DBUF(data, data_back, x_tm, y_tm, width_tm, height_tm, yuv, sampling, 16); break; default: assert(0); @@ -415,7 +406,6 @@ void rmdUpdateYuvBuffer( yuv_buffer *yuv, } } - void rmdDummyPointerToYuv( yuv_buffer *yuv, unsigned char *data_tm, int x_tm, |