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| author | Edward Hervey <bilboed@bilboed.com> | 2009-06-30 12:40:02 +0200 |
|---|---|---|
| committer | Edward Hervey <bilboed@bilboed.com> | 2009-07-10 14:37:10 +0200 |
| commit | 3c88249d48870b826fd89d287ee6d46b284c4f45 (patch) | |
| tree | ac73478af8417ae93ea0967805da1e7728d27d50 /m4/aalib.m4 | |
| parent | ace4cb229542ae2c4ca8331d840e6bb3acd03c22 (diff) | |
videomixer: I420 blending : Fix main algorithm.
When blending a source layer with an alpha of 'a' on top of another
destination layer we take the sum of:
* 'a' percent of the source layer
* (100 - 'a') percent of the destination layer (the remainder)
Diffstat (limited to 'm4/aalib.m4')
0 files changed, 0 insertions, 0 deletions