Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 61 insertions, 0 deletions

diff --git a/third_party/rust/cubeb-backend/src/traits.rs b/third_party/rust/cubeb-backend/src/traits.rs
new file mode 100644
index 0000000000..c40cf3a7f2
--- /dev/null
+++ b/third_party/rust/cubeb-backend/src/traits.rs
@@ -0,0 +1,61 @@
+// Copyright © 2017 Mozilla Foundation
+//
+// This program is made available under an ISC-style license.  See the
+// accompanying file LICENSE for details.
+
+use cubeb_core::{
+    Context, DeviceCollectionRef, DeviceId, DeviceRef, DeviceType, Result, Stream, StreamParams,
+    StreamParamsRef,
+};
+use ffi;
+use std::ffi::CStr;
+use std::os::raw::c_void;
+
+pub trait ContextOps {
+    fn init(context_name: Option<&CStr>) -> Result<Context>;
+    fn backend_id(&mut self) -> &CStr;
+    fn max_channel_count(&mut self) -> Result<u32>;
+    fn min_latency(&mut self, params: StreamParams) -> Result<u32>;
+    fn preferred_sample_rate(&mut self) -> Result<u32>;
+    fn enumerate_devices(
+        &mut self,
+        devtype: DeviceType,
+        collection: &DeviceCollectionRef,
+    ) -> Result<()>;
+    fn device_collection_destroy(&mut self, collection: &mut DeviceCollectionRef) -> Result<()>;
+    #[cfg_attr(feature = "cargo-clippy", allow(clippy::too_many_arguments))]
+    fn stream_init(
+        &mut self,
+        stream_name: Option<&CStr>,
+        input_device: DeviceId,
+        input_stream_params: Option<&StreamParamsRef>,
+        output_device: DeviceId,
+        output_stream_params: Option<&StreamParamsRef>,
+        latency_frames: u32,
+        data_callback: ffi::cubeb_data_callback,
+        state_callback: ffi::cubeb_state_callback,
+        user_ptr: *mut c_void,
+    ) -> Result<Stream>;
+    fn register_device_collection_changed(
+        &mut self,
+        devtype: DeviceType,
+        cb: ffi::cubeb_device_collection_changed_callback,
+        user_ptr: *mut c_void,
+    ) -> Result<()>;
+}
+
+pub trait StreamOps {
+    fn start(&mut self) -> Result<()>;
+    fn stop(&mut self) -> Result<()>;
+    fn position(&mut self) -> Result<u64>;
+    fn latency(&mut self) -> Result<u32>;
+    fn input_latency(&mut self) -> Result<u32>;
+    fn set_volume(&mut self, volume: f32) -> Result<()>;
+    fn set_name(&mut self, name: &CStr) -> Result<()>;
+    fn current_device(&mut self) -> Result<&DeviceRef>;
+    fn device_destroy(&mut self, device: &DeviceRef) -> Result<()>;
+    fn register_device_changed_callback(
+        &mut self,
+        device_changed_callback: ffi::cubeb_device_changed_callback,
+    ) -> Result<()>;
+}