# note: An animation frame carrying an uncompressed ALPH chunk beside its
#   lossy image.
# expect: reject
# anim: ok
# info: ok
# exercises: An ANMF holds a chunk list, not a chunk: ALPH then VP8 is the
#   same pair a still file uses, and StoreFrame() fills both slots of
#   img_components. The alpha plane is stored one byte per pixel, so this is
#   the animation route into ALPHInit() and the unfiltered plane.
alpha 1
frame
frame_duration 100
alph_filtering 0
alph_raw
width 32
height 32
yac_qi 30
macroblock
coeffs y2 -20
frame
frame_duration 100
lossless
width 32
height 32
argb 0xff204060 x1024