Source
pub fn BitTree(comptime num_bits: usize) type {
return struct {
probs: [1 << num_bits]u16 = @splat(0x400),
const Self = @This();
pub fn parse(
self: *Self,
reader: anytype,
decoder: *RangeDecoder,
update: bool,
) !u32 {
return decoder.parseBitTree(reader, num_bits, &self.probs, update);
}
pub fn parseReverse(
self: *Self,
reader: anytype,
decoder: *RangeDecoder,
update: bool,
) !u32 {
return decoder.parseReverseBitTree(reader, num_bits, &self.probs, 0, update);
}
pub fn reset(self: *Self) void {
@memset(&self.probs, 0x400);
}
};
}