1 files changed, 31 insertions, 0 deletions
diff --git a/third_party/rust/cubeb-sys/src/mixer.rs b/third_party/rust/cubeb-sys/src/mixer.rs
new file mode 100644
index 0000000000..d0452036bf
--- /dev/null
+++ b/third_party/rust/cubeb-sys/src/mixer.rs
@@ -0,0 +1,31 @@
+// Copyright © 2017-2018 Mozilla Foundation
+//
+// This program is made available under an ISC-style license.  See the
+// accompanying file LICENSE for details.
+
+use channel::cubeb_channel_layout;
+use format::cubeb_sample_format;
+use std::os::raw::{c_int, c_uint, c_void};
+
+pub enum cubeb_mixer {}
+
+extern "C" {
+    pub fn cubeb_mixer_create(
+        format: cubeb_sample_format,
+        in_channels: u32,
+        in_layout: cubeb_channel_layout,
+        out_channels: u32,
+        out_layout: cubeb_channel_layout,
+    ) -> *mut cubeb_mixer;
+    pub fn cubeb_mixer_destroy(mixer: *mut cubeb_mixer);
+    pub fn cubeb_mixer_mix(
+        mixer: *mut cubeb_mixer,
+        frames: usize,
+        input_buffer: *const c_void,
+        input_buffer_length: usize,
+        output_buffer: *mut c_void,
+        output_buffer_length: usize,
+    ) -> c_int;
+
+    pub fn cubeb_channel_layout_nb_channels(channel_layout: cubeb_channel_layout) -> c_uint;
+}