ahi->block_align = read_u16(start + 50);
PARA_INFO_LOG("block_align: %d\n", ahi->block_align);
ahi->flags1 = read_u32(start + 56);
ahi->flags2 = read_u16(start + 60);
ahi->block_align = read_u16(start + 50);
PARA_INFO_LOG("block_align: %d\n", ahi->block_align);
ahi->flags1 = read_u32(start + 56);
ahi->flags2 = read_u16(start + 60);
ahi->flags1, ahi->flags2);
ahi->use_exp_vlc = ahi->flags2 & 0x0001;
ahi->use_bit_reservoir = ahi->flags2 & 0x0002;
ahi->flags1, ahi->flags2);
ahi->use_exp_vlc = ahi->flags2 & 0x0001;
ahi->use_bit_reservoir = ahi->flags2 & 0x0002;