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Add Alpha Encode support from WebPEncode.

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Extend WebP Encode functionality to encode Alpha data and produce
bit-stream (RIFF+VP8X+ALPH+VP8) corresponding to WebP-Alpha.

Change-Id: I983b4cd97be94a86a8e6d03b3b9c728db851bf48
This commit is contained in:
Vikas Arora
2011-12-01 12:14:15 +05:30
parent 16612ddd30
commit 9523f2a5de
9 changed files with 207 additions and 138 deletions
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3
src/enc/frame.c
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@ -588,9 +588,6 @@ int VP8EncLoop(VP8Encoder* const enc) {
ResetAfterSkip(&it);
}
#ifdef WEBP_EXPERIMENTAL_FEATURES
if (enc->has_alpha_) {
VP8EncCodeAlphaBlock(&it);
}
if (enc->use_layer_) {
VP8EncCodeLayerBlock(&it);
}