Modify lifetimes in buffer and buffer_mut methods (#319)

Author: asensio-project

api/src/info.rs

@@ -186,6 +186,14 @@ impl FrameBuffer {
         unsafe { self.create_buffer_mut() }
     }
 
+    /// Converts the frame buffer to a raw byte slice.
+    ///
+    /// The same as `buffer_mut()` but takes the ownership and returns the
+    /// mutable buffer with a `'static` lifetime.
+    pub fn into_buffer(self) -> &'static mut [u8] {
+        unsafe { self.create_buffer_mut() }
+    }
+
     unsafe fn create_buffer<'a>(&self) -> &'a [u8] {
         unsafe { slice::from_raw_parts(self.buffer_start as *const u8, self.info.byte_len) }
     }