cargo: add features

src/format/context.rs

@@ -4,10 +4,9 @@ use std::path::Path;
 use std::marker::PhantomData;
 use std::ops::Deref;
 
-use libc::{c_int, c_uint};
+use libc::c_uint;
 use ffi::*;
 use ::{Error, Dictionary, Codec, Stream, Format};
-use ::device;
 
 pub struct Context {
 	pub ptr: *mut AVFormatContext,
@@ -38,10 +37,6 @@ impl Context {
 		StreamIter::new(self.ptr)
 	}
 
-	pub fn devices(&self) -> Result<DeviceIter, Error> {
-		DeviceIter::new(self.ptr)
-	}
-
 	pub fn probe_score(&self) -> i32 {
 		unsafe {
 			av_format_get_probe_score(self.ptr)
@@ -217,59 +212,6 @@ impl<'a> Iterator for StreamIter<'a> {
 	}
 }
 
-pub struct DeviceIter<'a> {
-	ptr: *mut AVDeviceInfoList,
-	cur: c_int,
-
-	_marker: PhantomData<&'a ()>,
-}
-
-impl<'a> DeviceIter<'a> {
-	pub fn new(ctx: *mut AVFormatContext) -> Result<Self, Error> {
-		unsafe {
-			let mut ptr: *mut AVDeviceInfoList = ptr::null_mut();
-
-			match avdevice_list_devices(ctx, &mut ptr) {
-				n if n < 0 =>
-					Err(Error::new(n)),
-
-				_ =>
-					Ok(DeviceIter { ptr: ptr, cur: 0, _marker: PhantomData })
-			}
-		}
-	}
-
-	pub fn default(&self) -> usize {
-		unsafe {
-			(*self.ptr).default_device as usize
-		}
-	}
-}
-
-impl<'a> Drop for DeviceIter<'a> {
-	fn drop(&mut self) {
-		unsafe {
-			avdevice_free_list_devices(&mut self.ptr);
-		}
-	}
-}
-
-impl<'a> Iterator for DeviceIter<'a> {
-	type Item = device::Info<'a>;
-
-	fn next(&mut self) -> Option<<Self as Iterator>::Item> {
-		unsafe {
-			if self.cur >= (*self.ptr).nb_devices {
-				None
-			}
-			else {
-				self.cur += 1;
-				Some(device::Info::wrap(*(*self.ptr).devices.offset((self.cur - 1) as isize)))
-			}
-		}
-	}
-}
-
 pub fn open(path: &Path) -> Result<Context, Error> {
 	unsafe {
 		let mut ps     = ptr::null_mut();