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Diffstat (limited to 'doc/snow.txt')
| -rw-r--r-- | doc/snow.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/snow.txt b/doc/snow.txt index 867867394f..c3e16ebc1c 100644 --- a/doc/snow.txt +++ b/doc/snow.txt @@ -225,6 +225,11 @@ Intra DC Predicton: the luma and chroma values of the left block are used as predictors the used luma and chroma is the sum of the predictor and y_diff, cb_diff, cr_diff +to reverse this in the decoder apply the following: +block[y][x].dc[0] += block[y][x-1].dc[0]; +block[y][x].dc[1] += block[y][x-1].dc[1]; +block[y][x].dc[2] += block[y][x-1].dc[2]; +block[*][-1].dc[*]= 128; Motion Compensation: |