# note: A palette-coded alpha plane that also declares a colour cache.
# expect: ok
# exercises: The first test in Is8bOptimizable(), and the only one that is
#   about the stream rather than about its Huffman codes: any colour cache
#   at all disqualifies the 8-bit path, because that path keeps one byte per
#   pixel and the cache is keyed on whole ARGB values. Same palette as
#   alph-plane-palette, one field apart, and it decodes through the 32-bit
#   loop instead.
chunks VP8X ALPH VP8
alpha 1
width 16
height 16
yac_qi 30
macroblock
coeffs y2 -20
alph_plane
transforms color_indexing
cache_bits 4
palette_colors 0x00000000 0x0000c800 0x0000ff00
pixels 0x24 x64