From 6ac30fac63342c54e13c73d28955ef382644c9e1 Mon Sep 17 00:00:00 2001
From: Jakob Schwab <j.schwab@mail.de>
Date: Tue, 26 Jan 2021 10:16:32 +0100
Subject: [PATCH 1/2] Makes slice argument of
 `web_sys::AudioBuffer::copy_to_channel*` non mutable (#2434)

---
 crates/webidl/src/constants.rs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/crates/webidl/src/constants.rs b/crates/webidl/src/constants.rs
index 14e82a0e4f8..447e3e48d79 100644
--- a/crates/webidl/src/constants.rs
+++ b/crates/webidl/src/constants.rs
@@ -88,6 +88,8 @@ lazy_static! {
         "setBindGroup",
         "writeBuffer",
         "writeTexture",
+        // AudioBuffer
+        "copyToChannel"
         // TODO: Add another type's functions here. Leave a comment header with the type name
     ]);
 }

From 3cca214e52efe3f98ef50ba63cffd079a1b34bb4 Mon Sep 17 00:00:00 2001
From: Jakob Schwab <j.schwab@mail.de>
Date: Tue, 26 Jan 2021 11:06:21 +0100
Subject: [PATCH 2/2] Commit newly generated API

---
 crates/web-sys/src/features/gen_AudioBuffer.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/crates/web-sys/src/features/gen_AudioBuffer.rs b/crates/web-sys/src/features/gen_AudioBuffer.rs
index 7f8851a16fb..5f350bc6f64 100644
--- a/crates/web-sys/src/features/gen_AudioBuffer.rs
+++ b/crates/web-sys/src/features/gen_AudioBuffer.rs
@@ -78,7 +78,7 @@ extern "C" {
     #[doc = "*This API requires the following crate features to be activated: `AudioBuffer`*"]
     pub fn copy_to_channel(
         this: &AudioBuffer,
-        source: &mut [f32],
+        source: &[f32],
         channel_number: i32,
     ) -> Result<(), JsValue>;
     # [wasm_bindgen (catch , method , structural , js_class = "AudioBuffer" , js_name = copyToChannel)]
@@ -89,7 +89,7 @@ extern "C" {
     #[doc = "*This API requires the following crate features to be activated: `AudioBuffer`*"]
     pub fn copy_to_channel_with_start_in_channel(
         this: &AudioBuffer,
-        source: &mut [f32],
+        source: &[f32],
         channel_number: i32,
         start_in_channel: u32,
     ) -> Result<(), JsValue>;