public static void vp8_build_intra_predictors_mby_s(MACROBLOCKD x, byte *yabove_row,
byte *yleft, int left_stride,
byte *ypred_ptr, int y_stride)
{
MB_PREDICTION_MODE mode = (MB_PREDICTION_MODE)x.mode_info_context.get().mbmi.mode;
//DECLARE_ALIGNED(16, uint8_t, yleft_col[16]);
byte * yleft_col = stackalloc byte[16];
int i;
intra_pred_fn fn;
for (i = 0; i < 16; ++i)
{
yleft_col[i] = yleft[i * left_stride];
}
if (mode == MB_PREDICTION_MODE.DC_PRED)
{
fn = dc_pred[x.left_available, x.up_available, (int)PredictionSizes.SIZE_16];
}
else
{
fn = pred[(int)mode, (int)PredictionSizes.SIZE_16];
}
fn(ypred_ptr, y_stride, yabove_row, yleft_col);
}
public static void vp8_build_intra_predictors_mbuv_s(
MACROBLOCKD x, byte *uabove_row, byte *vabove_row,
byte *uleft, byte *vleft, int left_stride,
byte *upred_ptr, byte *vpred_ptr, int pred_stride)
{
MB_PREDICTION_MODE uvmode = (MB_PREDICTION_MODE)x.mode_info_context.get().mbmi.uv_mode;
byte *uleft_col = stackalloc byte[8];
byte *vleft_col = stackalloc byte[8];
int i;
intra_pred_fn fn;
for (i = 0; i < 8; ++i)
{
uleft_col[i] = uleft[i * left_stride];
vleft_col[i] = vleft[i * left_stride];
}
if (uvmode == MB_PREDICTION_MODE.DC_PRED)
{
fn = dc_pred[x.left_available, x.up_available, (int)PredictionSizes.SIZE_8];
}
else
{
fn = pred[(int)uvmode, (int)PredictionSizes.SIZE_8];
}
fn(upred_ptr, pred_stride, uabove_row, uleft_col);
fn(vpred_ptr, pred_stride, vabove_row, vleft_col);
}
