From 07fe207ac2d246eca0291ad06227e47d749f6af0 Mon Sep 17 00:00:00 2001
From: Zhiming Wang <i@zhimingwang.org>
Date: Sat, 8 Aug 2020 00:38:09 +0800
Subject: [PATCH] codec: implement DerefMut for encoder::Audio and
 encoder::Subtitle

---
 src/codec/encoder/audio.rs    | 6 ++++++
 src/codec/encoder/subtitle.rs | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/src/codec/encoder/audio.rs b/src/codec/encoder/audio.rs
index 8e07a59..215f8b2 100644
--- a/src/codec/encoder/audio.rs
+++ b/src/codec/encoder/audio.rs
@@ -193,6 +193,12 @@ impl Deref for Encoder {
     }
 }
 
+impl DerefMut for Encoder {
+    fn deref_mut(&mut self) -> &mut <Self as Deref>::Target {
+        &mut self.0
+    }
+}
+
 impl AsRef<Context> for Encoder {
     fn as_ref(&self) -> &Context {
         self
diff --git a/src/codec/encoder/subtitle.rs b/src/codec/encoder/subtitle.rs
index 33ac17c..0bbb346 100644
--- a/src/codec/encoder/subtitle.rs
+++ b/src/codec/encoder/subtitle.rs
@@ -108,6 +108,12 @@ impl Deref for Encoder {
     }
 }
 
+impl DerefMut for Encoder {
+    fn deref_mut(&mut self) -> &mut <Self as Deref>::Target {
+        &mut self.0
+    }
+}
+
 impl AsRef<Context> for Encoder {
     fn as_ref(&self) -> &Context {
         self