1 files changed, 97 insertions, 0 deletions
diff --git a/third_party/rust/cubeb-backend/src/ops.rs b/third_party/rust/cubeb-backend/src/ops.rs
new file mode 100644
index 0000000000..0c53d44e9d
--- /dev/null
+++ b/third_party/rust/cubeb-backend/src/ops.rs
@@ -0,0 +1,97 @@
+// Copyright © 2017 Mozilla Foundation
+//
+// This program is made available under an ISC-style license.  See the
+// accompanying file LICENSE for details.
+
+#![allow(non_camel_case_types)]
+
+use ffi;
+use std::os::raw::{c_char, c_float, c_int, c_uint, c_void};
+
+#[repr(C)]
+pub struct Ops {
+    pub init: Option<
+        unsafe extern "C" fn(context: *mut *mut ffi::cubeb, context_name: *const c_char) -> c_int,
+    >,
+    pub get_backend_id: Option<unsafe extern "C" fn(context: *mut ffi::cubeb) -> *const c_char>,
+    pub get_max_channel_count:
+        Option<unsafe extern "C" fn(context: *mut ffi::cubeb, max_channels: *mut c_uint) -> c_int>,
+    pub get_min_latency: Option<
+        unsafe extern "C" fn(
+            context: *mut ffi::cubeb,
+            params: ffi::cubeb_stream_params,
+            latency_ms: *mut c_uint,
+        ) -> c_int,
+    >,
+    pub get_preferred_sample_rate:
+        Option<unsafe extern "C" fn(context: *mut ffi::cubeb, rate: *mut u32) -> c_int>,
+    pub enumerate_devices: Option<
+        unsafe extern "C" fn(
+            context: *mut ffi::cubeb,
+            devtype: ffi::cubeb_device_type,
+            collection: *mut ffi::cubeb_device_collection,
+        ) -> c_int,
+    >,
+    pub device_collection_destroy: Option<
+        unsafe extern "C" fn(
+            context: *mut ffi::cubeb,
+            collection: *mut ffi::cubeb_device_collection,
+        ) -> c_int,
+    >,
+    pub destroy: Option<unsafe extern "C" fn(context: *mut ffi::cubeb)>,
+    #[allow(clippy::type_complexity)]
+    pub stream_init: Option<
+        unsafe extern "C" fn(
+            context: *mut ffi::cubeb,
+            stream: *mut *mut ffi::cubeb_stream,
+            stream_name: *const c_char,
+            input_device: ffi::cubeb_devid,
+            input_stream_params: *mut ffi::cubeb_stream_params,
+            output_device: ffi::cubeb_devid,
+            output_stream_params: *mut ffi::cubeb_stream_params,
+            latency: c_uint,
+            data_callback: ffi::cubeb_data_callback,
+            state_callback: ffi::cubeb_state_callback,
+            user_ptr: *mut c_void,
+        ) -> c_int,
+    >,
+    pub stream_destroy: Option<unsafe extern "C" fn(stream: *mut ffi::cubeb_stream)>,
+    pub stream_start: Option<unsafe extern "C" fn(stream: *mut ffi::cubeb_stream) -> c_int>,
+    pub stream_stop: Option<unsafe extern "C" fn(stream: *mut ffi::cubeb_stream) -> c_int>,
+    pub stream_get_position:
+        Option<unsafe extern "C" fn(stream: *mut ffi::cubeb_stream, position: *mut u64) -> c_int>,
+    pub stream_get_latency:
+        Option<unsafe extern "C" fn(stream: *mut ffi::cubeb_stream, latency: *mut u32) -> c_int>,
+    pub stream_get_input_latency:
+        Option<unsafe extern "C" fn(stream: *mut ffi::cubeb_stream, latency: *mut u32) -> c_int>,
+    pub stream_set_volume:
+        Option<unsafe extern "C" fn(stream: *mut ffi::cubeb_stream, volumes: c_float) -> c_int>,
+    pub stream_set_name:
+        Option<unsafe extern "C" fn(stream: *mut ffi::cubeb_stream, name: *const c_char) -> c_int>,
+    pub stream_get_current_device: Option<
+        unsafe extern "C" fn(
+            stream: *mut ffi::cubeb_stream,
+            device: *mut *mut ffi::cubeb_device,
+        ) -> c_int,
+    >,
+    pub stream_device_destroy: Option<
+        unsafe extern "C" fn(
+            stream: *mut ffi::cubeb_stream,
+            device: *mut ffi::cubeb_device,
+        ) -> c_int,
+    >,
+    pub stream_register_device_changed_callback: Option<
+        unsafe extern "C" fn(
+            stream: *mut ffi::cubeb_stream,
+            device_changed_callback: ffi::cubeb_device_changed_callback,
+        ) -> c_int,
+    >,
+    pub register_device_collection_changed: Option<
+        unsafe extern "C" fn(
+            context: *mut ffi::cubeb,
+            devtype: ffi::cubeb_device_type,
+            callback: ffi::cubeb_device_collection_changed_callback,
+            user_ptr: *mut c_void,
+        ) -> c_int,
+    >,
+}