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Alpha unfilter for given set of rows

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Support reconstruction of small number of rows at a time.

Change-Id: Ief1bc78c7ad011ec6df856551f3beb5f907fd8e0
This commit is contained in:
Urvang Joshi
2013-06-11 15:57:42 -07:00
parent bf867bf296
commit 47374b8273
3 changed files with 88 additions and 47 deletions
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2
src/dec/alpha.c
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@ -75,7 +75,7 @@ static int DecodeAlpha(const uint8_t* data, size_t data_size,
if (unfilter_func != NULL) {
// TODO(vikas): Implement on-the-fly decoding & filter mechanism to decode
// and apply filter per image-row.
unfilter_func(width, height, width, output);
unfilter_func(width, height, width, 0, height, output);
}
if (pre_processing == ALPHA_PREPROCESSED_LEVELS) {
ok = DequantizeLevels(output, width, height);