abstruction

1 files changed, 16 insertions, 1 deletions

diff --git a/src/v4l2.rs b/src/v4l2.rs
index 96cc356..0f22aba 100644
--- a/src/v4l2.rs
+++ b/src/v4l2.rs
@@ -148,6 +148,16 @@ impl Debug for ImageFormat{
             if self.be(){ ":be" }else{ "" })
     }
 }
+impl PartialEq<str> for ImageFormat{
+    fn eq(&self, other: &str) -> bool{
+        Into::<ImageFormat>::into(other) == *self
+    }
+}
+impl PartialEq<ImageFormat> for str{
+    fn eq(&self, other: &ImageFormat) -> bool{
+        Into::<ImageFormat>::into(self) == *other
+    }
+}
 
 #[derive(Copy, Clone)]
 pub struct BufAttrs{
@@ -194,6 +204,8 @@ pub struct Device{
     cap: v4l2::v4l2_capability,
     io_capture: IoMethod,
 }
+// Safe to Send while *mut u8 in IoMethod is never be copied.
+unsafe impl Send for Device{}
 
 macro_rules! /* unsafe */ mk_ioctl_getter{
     ($name:ident, $type:ty, $op:expr; $($qn:ident: $qt:ty),*) => {
@@ -325,7 +337,10 @@ impl Device{
                 unsafe{ Self::unmap_bufs(bufs) };
                 panic!("mmap: {:?}", IoError::last_os_error());
             }
-            bufs.push(MmappedBuffer{ptr: ptr as *mut u8, length: bufr.length});
+            bufs.push(MmappedBuffer{
+                ptr: ptr as *mut u8,
+                length: bufr.length,
+            });
         }
 
         Ok(IoMethod::Mmap(bufs))