# note: A top-level image chunk in a file that also has frames.
# expect: reject
# anim: reject
# info: reject
# exercises: "check that this isn't an animation (all frames should be in an
#   ANMF)". An animated file has no image of its own; the VP8 here sits
#   beside the frames rather than inside one, and the walk refuses it on
#   sight of either the flag or a preceding ANIM chunk.
chunks VP8X ANIM ANMF VP8
width 16
height 16
yac_qi 30
macroblock
coeffs y2 -20
frame
frame_duration 100
lossless
width 16
height 16
argb 0xff800000 x256