forked from mirrors/gecko-dev
e71ae3a83f
The "more" is mainly some fixes in the coreaudio backend, including: - serializing more audio operations onto the serial queue - using the correct audio unit scope when querying for its stream format - tightening up some potential races around reinit on certain errors Differential Revision: https://phabricator.services.mozilla.com/D211042
64 lines
2.4 KiB
Rust
64 lines
2.4 KiB
Rust
// Copyright © 2017 Mozilla Foundation
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//
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// This program is made available under an ISC-style license. See the
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// accompanying file LICENSE for details.
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use cubeb_core::{
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Context, DeviceCollectionRef, DeviceId, DeviceRef, DeviceType, InputProcessingParams, Result,
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Stream, StreamParams, StreamParamsRef,
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};
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use ffi;
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use std::ffi::CStr;
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use std::os::raw::c_void;
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pub trait ContextOps {
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fn init(context_name: Option<&CStr>) -> Result<Context>;
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fn backend_id(&mut self) -> &CStr;
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fn max_channel_count(&mut self) -> Result<u32>;
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fn min_latency(&mut self, params: StreamParams) -> Result<u32>;
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fn preferred_sample_rate(&mut self) -> Result<u32>;
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fn supported_input_processing_params(&mut self) -> Result<InputProcessingParams>;
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fn enumerate_devices(
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&mut self,
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devtype: DeviceType,
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collection: &DeviceCollectionRef,
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) -> Result<()>;
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fn device_collection_destroy(&mut self, collection: &mut DeviceCollectionRef) -> Result<()>;
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#[allow(clippy::too_many_arguments)]
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fn stream_init(
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&mut self,
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stream_name: Option<&CStr>,
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input_device: DeviceId,
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input_stream_params: Option<&StreamParamsRef>,
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output_device: DeviceId,
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output_stream_params: Option<&StreamParamsRef>,
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latency_frames: u32,
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data_callback: ffi::cubeb_data_callback,
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state_callback: ffi::cubeb_state_callback,
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user_ptr: *mut c_void,
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) -> Result<Stream>;
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fn register_device_collection_changed(
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&mut self,
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devtype: DeviceType,
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cb: ffi::cubeb_device_collection_changed_callback,
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user_ptr: *mut c_void,
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) -> Result<()>;
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}
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pub trait StreamOps {
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fn start(&mut self) -> Result<()>;
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fn stop(&mut self) -> Result<()>;
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fn position(&mut self) -> Result<u64>;
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fn latency(&mut self) -> Result<u32>;
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fn input_latency(&mut self) -> Result<u32>;
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fn set_volume(&mut self, volume: f32) -> Result<()>;
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fn set_name(&mut self, name: &CStr) -> Result<()>;
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fn current_device(&mut self) -> Result<&DeviceRef>;
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fn set_input_mute(&mut self, mute: bool) -> Result<()>;
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fn set_input_processing_params(&mut self, params: InputProcessingParams) -> Result<()>;
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fn device_destroy(&mut self, device: &DeviceRef) -> Result<()>;
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fn register_device_changed_callback(
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&mut self,
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device_changed_callback: ffi::cubeb_device_changed_callback,
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) -> Result<()>;
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}
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