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lossy decoding: correct alpha-rescaling for YUVA format
The luminance needs to be pre- and post- multiplied by the alpha value in case of rescaling, for proper averaging. Also: - removed util/alpha_processing and moved it to dsp/ - removed WebPInitPremultiply() which was mostly useless and merged it with the new function WebPInitAlphaProcessing() Change-Id: If089cefd4ec53f6880a791c476fb1c7f7c5a8e60
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@ -9,6 +9,7 @@ common_HEADERS = ../webp/types.h
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commondir = $(includedir)/webp
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COMMON_SOURCES =
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COMMON_SOURCES += alpha_processing.c
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COMMON_SOURCES += cpu.c
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COMMON_SOURCES += dec.c
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COMMON_SOURCES += dec_clip_tables.c
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