diff --git a/src/codec/decoder/check.rs b/src/codec/decoder/check.rs
new file mode 100644
index 0000000..e705511
--- /dev/null
+++ b/src/codec/decoder/check.rs
@@ -0,0 +1,16 @@
+use libc::c_int;
+use ffi::*;
+
+bitflags! {
+	flags Check: c_int {
+		const CHECK_CRC      = AV_EF_CRCCHECK,
+		const CHECK_BISTREAM = AV_EF_BITSTREAM,
+		const CHECK_BUFFER   = AV_EF_BUFFER,
+		const CHECK_EXPLODE  = AV_EF_EXPLODE,
+
+		const CHECK_IGNORE_ERROR = AV_EF_IGNORE_ERR,
+		const CHECK_CAREFUL      = AV_EF_CAREFUL,
+		const CHECK_COMPLIANT    = AV_EF_COMPLIANT,
+		const CHECK_AGGRESSIVE   = AV_EF_AGGRESSIVE,
+	}
+}
diff --git a/src/codec/decoder/mod.rs b/src/codec/decoder/mod.rs
index 8eaa006..62c652d 100644
--- a/src/codec/decoder/mod.rs
+++ b/src/codec/decoder/mod.rs
@@ -12,6 +12,9 @@ pub mod slice;
 pub mod conceal;
 pub use self::conceal::*;
 
+pub mod check;
+pub use self::check::*;
+
 use std::ffi::CString;
 use std::ptr;
 use std::ops::Deref;
@@ -57,6 +60,12 @@ impl Decoder {
 			(*self.ptr).error_concealment = value.bits();
 		}
 	}
+
+	pub fn check(&mut self, value: Check) {
+		unsafe {
+			(*self.ptr).err_recognition = value.bits();
+		}
+	}
 }
 
 impl Deref for Decoder {