rbsp_read_bit
bit = rbsp_read_bit(rbsp);
while ((ret = rbsp_read_bit(rbsp)) == 0)
int tmp = rbsp_read_bit(rbsp);
ret = rbsp_read_bit(rbsp);
while ((ret = rbsp_read_bit(rbsp)) == 0)
ret = rbsp_read_bit(&sps);
ret = rbsp_read_bit(&sps);
frame_mbs_only_flag = ret = rbsp_read_bit(&sps);
ret = rbsp_read_bit(&sps);
ret = rbsp_read_bit(&sps);
frame_cropping_flag = ret = rbsp_read_bit(&sps);
vui_parameters_present_flag = ret = rbsp_read_bit(&sps);