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webp-lossless-bitstream-spec: note transform order

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transforms are applied in reverse bitstream order.

Bug: webp:611
Change-Id: I172aca36bbd5c3358a71b0acb49c5704ceee63d7
This commit is contained in:
James Zern 2023-06-22 16:44:30 -07:00
parent 6d6d4915ce
commit 7b634d8f0c
1 changed files with 4 additions and 1 deletions
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doc/webp-lossless-bitstream-spec.txt
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@ -215,7 +215,10 @@ enum TransformType {
The transform type is followed by the transform data. Transform data contains The transform type is followed by the transform data. Transform data contains
the information required to apply the inverse transform and depends on the the information required to apply the inverse transform and depends on the
transform type. Next, we describe the transform data for different types. transform type. The inverse transforms are applied in the reverse order that
they are read from the bitstream, that is, last one first.
Next, we describe the transform data for different types.
### 4.1 Predictor Transform ### 4.1 Predictor Transform