+#[derive(Clone,Copy,Debug,PartialEq)]
+pub struct ChannelParseError {}
+
+impl FromStr for NAChannelType {
+ type Err = ChannelParseError;
+
+ fn from_str(s: &str) -> Result<Self, Self::Err> {
+ match s {
+ "C" => Ok(NAChannelType::C),
+ "L" => Ok(NAChannelType::L),
+ "R" => Ok(NAChannelType::R),
+ "Cs" => Ok(NAChannelType::Cs),
+ "Ls" => Ok(NAChannelType::Ls),
+ "Rs" => Ok(NAChannelType::Rs),
+ "Lss" => Ok(NAChannelType::Lss),
+ "Rss" => Ok(NAChannelType::Rss),
+ "LFE" => Ok(NAChannelType::LFE),
+ "Lc" => Ok(NAChannelType::Lc),
+ "Rc" => Ok(NAChannelType::Rc),
+ "Lh" => Ok(NAChannelType::Lh),
+ "Rh" => Ok(NAChannelType::Rh),
+ "Ch" => Ok(NAChannelType::Ch),
+ "LFE2" => Ok(NAChannelType::LFE2),
+ "Lw" => Ok(NAChannelType::Lw),
+ "Rw" => Ok(NAChannelType::Rw),
+ "Ov" => Ok(NAChannelType::Ov),
+ "Lhs" => Ok(NAChannelType::Lhs),
+ "Rhs" => Ok(NAChannelType::Rhs),
+ "Chs" => Ok(NAChannelType::Chs),
+ "Ll" => Ok(NAChannelType::Ll),
+ "Rl" => Ok(NAChannelType::Rl),
+ "Cl" => Ok(NAChannelType::Cl),
+ "Lt" => Ok(NAChannelType::Lt),
+ "Rt" => Ok(NAChannelType::Rt),
+ "Lo" => Ok(NAChannelType::Lo),
+ "Ro" => Ok(NAChannelType::Ro),
+ _ => Err(ChannelParseError{}),
+ }
+ }
+}
+