Add more impls

src/codec/capabilities.rs

@@ -2,6 +2,7 @@ use crate::ffi::*;
 use libc::c_uint;
 
 bitflags! {
+    #[derive(Debug, Clone, Copy, Eq, PartialEq)]
     pub struct Capabilities: c_uint {
         const DRAW_HORIZ_BAND     = AV_CODEC_CAP_DRAW_HORIZ_BAND;
         const DR1                 = AV_CODEC_CAP_DR1;

src/format/stream/disposition.rs

@@ -2,6 +2,7 @@ use crate::ffi::*;
 use libc::c_int;
 
 bitflags! {
+    #[derive(Debug, Clone, Copy, Eq, PartialEq)]
     pub struct Disposition: c_int {
         const DEFAULT          = AV_DISPOSITION_DEFAULT;
         const DUB              = AV_DISPOSITION_DUB;