feat: 当新板子上线或音量变化时,推送当前音量给板子。

This commit is contained in:
Ivan Li 2023-05-10 21:50:51 +08:00
parent 878180ed5b
commit 8b124f8182
3 changed files with 169 additions and 20 deletions

View File

@ -3,15 +3,16 @@ use std::{sync::Arc, time::Duration};
use paris::{error, info, warn};
use tokio::{io, net::UdpSocket, sync::RwLock, task::yield_now, time::timeout};
use crate::rpc::DisplaySettingRequest;
use crate::{rpc::DisplaySettingRequest, volume::VolumeManager};
use super::{BoardConnectStatus, BoardInfo};
use super::{BoardConnectStatus, BoardInfo, BoardMessageChannels};
#[derive(Debug)]
pub struct Board {
pub info: Arc<RwLock<BoardInfo>>,
socket: Option<Arc<UdpSocket>>,
listen_handler: Option<tokio::task::JoinHandle<()>>,
volume_changed_subscriber_handler: Option<tokio::task::JoinHandle<()>>,
}
impl Board {
@ -20,25 +21,21 @@ impl Board {
info: Arc::new(RwLock::new(info)),
socket: None,
listen_handler: None,
volume_changed_subscriber_handler: None,
}
}
pub async fn init_socket(&mut self) -> anyhow::Result<()> {
let info = self.info.read().await;
let info = self.info.clone();
let info = info.read().await;
let socket = UdpSocket::bind("0.0.0.0:0").await?;
socket.connect((info.address, info.port)).await?;
let socket = Arc::new(socket);
self.socket = Some(socket.clone());
let info = self.info.clone();
let handler = tokio::spawn(async move {
let mut buf = [0u8; 128];
if let Err(err) = socket.readable().await {
error!("socket read error: {:?}", err);
return;
}
let board_message_channels = crate::rpc::channels::BoardMessageChannels::global().await;
@ -82,9 +79,52 @@ impl Board {
});
self.listen_handler = Some(handler);
self.subscribe_volume_changed().await;
Ok(())
}
async fn subscribe_volume_changed(&mut self) {
let channel = BoardMessageChannels::global().await;
let mut volume_changed_rx = channel.volume_changed_sender.subscribe();
let info = self.info.clone();
let socket = self.socket.clone();
let handler = tokio::spawn(async move {
while let Ok(volume) = volume_changed_rx.recv().await {
let info = info.read().await;
if socket.is_none() || info.connect_status != BoardConnectStatus::Connected {
log::info!("board is not connected, skip send volume changed");
continue;
}
let socket = socket.as_ref().unwrap();
let mut buf = [0u8; 2];
buf[0] = 4;
buf[1] = (volume * 100.0) as u8;
if let Err(err) = socket.send(&buf).await {
log::warn!("send volume changed failed: {:?}", err);
}
}
});
let volume_manager = VolumeManager::global().await;
let volume = volume_manager.get_volume().await;
if let Some(socket) = self.socket.as_ref() {
let buf = [4, (volume * 100.0) as u8];
if let Err(err) = socket.send(&buf).await {
log::warn!("send volume failed: {:?}", err);
}
} else {
log::warn!("socket is none, skip send volume");
}
self.volume_changed_subscriber_handler = Some(handler);
}
pub async fn send_colors(&self, buf: &[u8]) {
let info = self.info.read().await;
if self.socket.is_none() || info.connect_status != BoardConnectStatus::Connected {
@ -155,12 +195,14 @@ impl Board {
impl Drop for Board {
fn drop(&mut self) {
info!("board drop");
if let Some(handler) = self.listen_handler.take() {
info!("aborting listen handler");
tokio::task::block_in_place(move || {
handler.abort();
});
info!("listen handler aborted");
handler.abort();
}
if let Some(handler) = self.volume_changed_subscriber_handler.take() {
handler.abort();
}
}
}

View File

@ -7,6 +7,7 @@ use super::DisplaySettingRequest;
pub struct BoardMessageChannels {
pub display_setting_request_sender: Arc<broadcast::Sender<DisplaySettingRequest>>,
pub volume_setting_request_sender: Arc<broadcast::Sender<f32>>,
pub volume_changed_sender: Arc<broadcast::Sender<f32>>,
}
impl BoardMessageChannels {
@ -23,9 +24,13 @@ impl BoardMessageChannels {
let (volume_setting_request_sender, _) = broadcast::channel(16);
let volume_setting_request_sender = Arc::new(volume_setting_request_sender);
let (volume_changed_sender, _) = broadcast::channel(2);
let volume_changed_sender = Arc::new(volume_changed_sender);
Self {
display_setting_request_sender,
volume_setting_request_sender,
volume_changed_sender,
}
}
}

View File

@ -1,23 +1,22 @@
use std::{
mem,
sync::{Arc, RwLock},
};
use std::{mem, sync::Arc};
use coreaudio::{
audio_unit::macos_helpers::get_default_device_id,
sys::{
kAudioHardwareServiceDeviceProperty_VirtualMasterVolume, kAudioObjectPropertyScopeOutput,
AudioObjectHasProperty, AudioObjectPropertyAddress, AudioObjectSetPropertyData,
AudioObjectGetPropertyData, AudioObjectHasProperty, AudioObjectPropertyAddress,
AudioObjectSetPropertyData,
},
};
use paris::error;
use tokio::sync::OnceCell;
use tokio::sync::{OnceCell, RwLock};
use crate::rpc::BoardMessageChannels;
pub struct VolumeManager {
current_volume: Arc<RwLock<f32>>,
handler: Option<tokio::task::JoinHandle<()>>,
read_handler: Option<tokio::task::JoinHandle<()>>,
}
impl VolumeManager {
@ -33,9 +32,11 @@ impl VolumeManager {
let mut instance = Self {
current_volume: Arc::new(RwLock::new(0.0)),
handler: None,
read_handler: None,
};
instance.subscribe_volume_setting_request();
instance.auto_read_volume();
instance
}
@ -55,6 +56,36 @@ impl VolumeManager {
self.handler = Some(handler);
}
fn auto_read_volume(&mut self) {
let current_volume = self.current_volume.clone();
let handler = tokio::spawn(async move {
let channel = BoardMessageChannels::global().await;
let volume_changed_tx = channel.volume_changed_sender.clone();
loop {
match Self::read_volume() {
Ok(value) => {
let mut volume = current_volume.write().await;
if *volume != value {
if let Err(err) = volume_changed_tx.send(value) {
error!("failed to send volume changed event: {}", err);
}
}
*volume = value;
}
Err(err) => {
error!("failed to read volume: {}", err);
}
}
tokio::time::sleep(std::time::Duration::from_secs(10)).await;
}
});
self.read_handler = Some(handler);
}
fn set_volume(volume: f32) -> anyhow::Result<()> {
log::debug!("set volume: {}", volume);
@ -98,4 +129,75 @@ impl VolumeManager {
Ok(())
}
fn read_volume() -> anyhow::Result<f32> {
let device_id = get_default_device_id(false);
if device_id.is_none() {
anyhow::bail!("default audio output device is not found.");
}
let device_id = device_id.unwrap();
let address = AudioObjectPropertyAddress {
mSelector: kAudioHardwareServiceDeviceProperty_VirtualMasterVolume,
mScope: kAudioObjectPropertyScopeOutput,
mElement: 0,
};
log::debug!("device id: {}", device_id);
log::debug!("address: {:?}", address);
if 0 == unsafe { AudioObjectHasProperty(device_id, &address) } {
anyhow::bail!("Can not get audio property");
}
let mut size = mem::size_of::<f32>() as u32;
let mut volume = 0.0f32;
let result = unsafe {
AudioObjectGetPropertyData(
device_id,
&address,
0,
std::ptr::null(),
&mut size,
&mut volume as *mut f32 as *mut std::ffi::c_void,
)
};
if result != 0 {
anyhow::bail!("Can not get audio property. result: {}", result);
}
if size != mem::size_of::<f32>() as u32 {
anyhow::bail!("Can not get audio property. data size is not matched.");
}
log::debug!("current system volume of primary device: {}", volume);
Ok(volume)
}
pub async fn get_volume(&self) -> f32 {
self.current_volume.read().await.clone()
}
}
impl Drop for VolumeManager {
fn drop(&mut self) {
log::info!("drop volume manager");
if let Some(handler) = self.handler.take() {
tokio::task::block_in_place(move || {
handler.abort();
});
}
if let Some(handler) = self.read_handler.take() {
tokio::task::block_in_place(move || {
handler.abort();
});
}
}
}