From 06645dc563b0022073a203ffb56b9ed6a7164a1b Mon Sep 17 00:00:00 2001 From: Del Wang Date: Mon, 29 Dec 2025 11:11:50 +0800 Subject: [PATCH] =?UTF-8?q?feat:=20=E7=AB=8B=E4=BD=93=E5=A3=B0=20client=20?= =?UTF-8?q?=E6=9E=84=E5=BB=BA?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- apps/hello/Cargo.lock | 810 +++++++++++++++++++++++++++++++- apps/hello/Cargo.toml | 2 +- apps/hello/build.sh | 25 + apps/hello/src/bin/client.rs | 118 ++++- apps/hello/src/bin/server.rs | 237 +++++++++- apps/hello/src/net/discovery.rs | 45 ++ apps/hello/src/net/protocol.rs | 37 ++ apps/hello/src/sync.rs | 34 ++ apps/runtime/build.sh | 31 +- 9 files changed, 1303 insertions(+), 36 deletions(-) create mode 100755 apps/hello/build.sh create mode 100644 apps/hello/src/net/discovery.rs create mode 100644 apps/hello/src/net/protocol.rs create mode 100644 apps/hello/src/sync.rs diff --git a/apps/hello/Cargo.lock b/apps/hello/Cargo.lock index 1424177..daf78ab 100644 --- 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env_logger = "0.11" byteorder = "1.5" diff --git a/apps/hello/build.sh b/apps/hello/build.sh new file mode 100755 index 0000000..aa86e55 --- /dev/null +++ b/apps/hello/build.sh @@ -0,0 +1,25 @@ +#!/bin/bash + +set -e + +# SSH_PASSWORD=open-xiaoai + +# # 1. 编译 demo +# echo "Compiling hello demo..." +# docker run --rm -v $(pwd):/app/hello open-xiaoai-runtime \ +# cargo build --manifest-path hello/Cargo.toml --target armv7-unknown-linux-gnueabihf --release + +# # 2. 上传二进制文件到小爱音箱 +# function upload_to_xiaoai() { +# local binary_name=$1 +# local ip=$2 +# dd if=target/armv7-unknown-linux-gnueabihf/release/$binary_name \ +# | sshpass -p $SSH_PASSWORD ssh -o HostKeyAlgorithms=+ssh-rsa root@$ip "dd of=/data/$binary_name" \ +# && echo "✅ Uploaded $binary_name to $ip" +# } + +# upload_to_xiaoai client 192.168.31.153 # left +# upload_to_xiaoai client 192.168.31.235 # right + +cargo build --release +./target/release/server diff --git a/apps/hello/src/bin/client.rs b/apps/hello/src/bin/client.rs index da84003..0a5cb3b 100644 --- a/apps/hello/src/bin/client.rs +++ b/apps/hello/src/bin/client.rs @@ -1,12 +1,120 @@ +use anyhow::Result; use hello::audio::{AudioPlayer, OpusCodec}; use hello::config::AudioConfig; -use anyhow::Result; +use hello::net::{AudioPacket, ChannelRole, ControlPacket, Discovery}; +use hello::sync::{ClockSync, now_us}; +use std::collections::VecDeque; +use std::env; +use std::time::Duration; +use tokio::io::{AsyncReadExt, AsyncWriteExt}; +use tokio::net::TcpStream; + +#[tokio::main] +async fn main() -> Result<()> { + env_logger::init(); + let args: Vec = env::args().collect(); + if args.len() < 2 { + eprintln!("Usage: {} [left|right]", args[0]); + return Ok(()); + } + let role = if args[1] == "left" { + ChannelRole::Left + } else { + ChannelRole::Right + }; + + let config = AudioConfig { + sample_rate: 48000, + channels: 1, + frame_size: 960, + ..AudioConfig::default() + }; + + println!("Searching for server..."); + let server_addr = Discovery::client_discover_server().await?; + let mut stream = TcpStream::connect(server_addr).await?; + + // 1. Identify + stream + .write_all(&postcard::to_allocvec(&ControlPacket::ClientIdentify { + role: role.clone(), + })?) + .await?; + + // 2. Sync + let mut clock = ClockSync::new(); + let t1 = now_us(); + stream + .write_all(&postcard::to_allocvec(&ControlPacket::Ping { + client_ts: t1, + })?) + .await?; + let mut buf = [0u8; 1024]; + let n = stream.read(&mut buf).await?; + if let Ok(ControlPacket::Pong { + client_ts, + server_ts, + }) = postcard::from_bytes::(&buf[..n]) + { + let t4 = now_us(); + clock.update(client_ts, server_ts, t4); + println!( + "Clock synced. Offset: {}us, RTT: {}us", + clock.offset, + t4 - t1 + ); + } -// todo 左右声道分发，播放音频 -fn main() -> Result<()> { - let config = AudioConfig::default(); let player = AudioPlayer::new(&config)?; let mut codec = OpusCodec::new(&config)?; + let mut jitter_buffer: VecDeque = VecDeque::new(); + let mut pcm_buf = vec![0i16; config.frame_size]; - + let (tx, mut rx) = tokio::sync::mpsc::channel(100); + tokio::spawn(async move { + loop { + let mut s_buf = [0u8; 4]; + if stream.read_exact(&mut s_buf).await.is_err() { + break; + } + let size = u32::from_be_bytes(s_buf) as usize; + let mut data = vec![0u8; size]; + if stream.read_exact(&mut data).await.is_err() { + break; + } + if let Ok(p) = postcard::from_bytes::(&data) { + let _ = tx.send(p).await; + } + } + }); + + println!("Streaming started. Playing channel {:?}", role); + + loop { + while let Ok(p) = rx.try_recv() { + jitter_buffer.push_back(p); + } + + if let Some(p) = jitter_buffer.front() { + let target_client_time = clock.to_client_time(p.timestamp); + let now = now_us(); + + if now >= target_client_time { + let packet = jitter_buffer.pop_front().unwrap(); + let len = codec.decode(&packet.data, &mut pcm_buf)?; + player.write(&pcm_buf[..len])?; + } else if target_client_time - now > 500_000 { + // Too far in the future, maybe clock jumped? + jitter_buffer.pop_front(); + } else { + // Wait until it's time + let wait = (target_client_time - now) as u64; + if wait > 1000 { + tokio::time::sleep(Duration::from_micros(wait)).await; + } + } + } else { + tokio::time::sleep(Duration::from_millis(5)).await; + } + } } diff --git a/apps/hello/src/bin/server.rs b/apps/hello/src/bin/server.rs index be6ee1f..7e879cd 100644 --- a/apps/hello/src/bin/server.rs +++ b/apps/hello/src/bin/server.rs @@ -1,11 +1,234 @@ -use hello::audio::{OpusCodec}; +use anyhow::{Context, Result}; +use hello::audio::OpusCodec; use hello::config::AudioConfig; -use anyhow::Result; +use hello::net::{AudioPacket, ChannelRole, ControlPacket, Discovery, SERVER_PORT}; +use hello::sync::now_us; +use std::collections::HashMap; +use std::fs::File; +use std::path::Path; +use std::sync::Arc; +use symphonia::core::audio::SampleBuffer; +use symphonia::core::codecs::DecoderOptions; +use symphonia::core::formats::FormatOptions; +use symphonia::core::io::MediaSourceStream; +use symphonia::core::meta::MetadataOptions; +use symphonia::core::probe::Hint; +use tokio::io::{AsyncReadExt, AsyncWriteExt}; +use tokio::net::{TcpListener, TcpStream}; +use tokio::sync::Mutex; -// todo 向 client 分发左右声道音频数据 -fn main() -> Result<()> { - let config = AudioConfig::default(); - let mut codec = OpusCodec::new(&config)?; +#[tokio::main] +async fn main() -> Result<()> { + env_logger::init(); + let config = AudioConfig { + sample_rate: 48000, + channels: 1, + frame_size: 960, // 20ms at 48kHz + ..AudioConfig::default() + }; - + println!("Starting Stereo Server on port {}", SERVER_PORT); + + Discovery::start_server_beacon().await?; + + let listener = TcpListener::bind(format!("0.0.0.0:{}", SERVER_PORT)).await?; + let clients: Arc>> = Arc::new(Mutex::new(HashMap::new())); + + let clients_clone = Arc::clone(&clients); + tokio::spawn(async move { + while let Ok((mut stream, addr)) = listener.accept().await { + let mut buf = [0u8; 1024]; + if let Ok(n) = stream.read(&mut buf).await { + if let Ok(packet) = postcard::from_bytes::(&buf[..n]) { + match packet { + ControlPacket::ClientIdentify { role } => { + println!("Client {} identified as {:?}", addr, role); + // Simple handshake for sync + let mut sync_buf = [0u8; 1024]; + if let Ok(sn) = stream.read(&mut sync_buf).await { + if let Ok(ControlPacket::Ping { client_ts }) = + postcard::from_bytes::(&sync_buf[..sn]) + { + let pong = ControlPacket::Pong { + client_ts, + server_ts: now_us(), + }; + let pong_msg = postcard::to_allocvec(&pong).unwrap(); + let _ = stream.write_all(&pong_msg).await; + clients_clone.lock().await.insert(role, stream); + } + } + } + _ => {} + } + } + } + } + }); + + println!("Waiting for Left and Right clients..."); + loop { + if clients.lock().await.len() >= 2 { + break; + } + tokio::time::sleep(tokio::time::Duration::from_millis(500)).await; + } + println!("Both clients connected. Starting stream in 1s..."); + tokio::time::sleep(tokio::time::Duration::from_secs(1)).await; + + stream_mp3("test.mp3", &config, clients).await?; + + Ok(()) +} + +async fn stream_mp3( + path: &str, + config: &AudioConfig, + clients: Arc>>, +) -> Result<()> { + let src = File::open(Path::new(path)).context("Failed to open test.mp3")?; + let mss = MediaSourceStream::new(Box::new(src), Default::default()); + let probed = symphonia::default::get_probe().format( + &Hint::new(), + mss, + &FormatOptions::default(), + &MetadataOptions::default(), + )?; + + let mut format = probed.format; + let track = format + .tracks() + .iter() + .find(|t| t.codec_params.codec == symphonia::core::codecs::CODEC_TYPE_MP3) + .context("No track")?; + let mut decoder = + symphonia::default::get_codecs().make(&track.codec_params, &DecoderOptions::default())?; + let track_id = track.id; + + let mut left_codec = OpusCodec::new(config)?; + let mut right_codec = OpusCodec::new(config)?; + + let start_time = now_us() + 500_000; + let mut current_frame_ts = start_time; + let frame_duration_us = + (config.frame_size as f64 / config.sample_rate as f64 * 1_000_000.0) as u128; + + let mut sample_buf = None; + + loop { + let packet = match format.next_packet() { + Ok(packet) => packet, + Err(_) => break, + }; + if packet.track_id() != track_id { + continue; + } + + let decoded = decoder.decode(&packet)?; + if sample_buf.is_none() { + sample_buf = Some(SampleBuffer::::new( + decoded.capacity() as u64, + *decoded.spec(), + )); + } + + if let Some(buf) = sample_buf.as_mut() { + buf.copy_interleaved_ref(decoded.clone()); + let spec = decoded.spec(); + let num_channels = spec.channels.count(); + + if num_channels == 2 { + for chunk in buf.samples().chunks(config.frame_size * 2) { + if chunk.len() < config.frame_size * 2 { + break; + } + + let mut left_pcm = vec![0i16; config.frame_size]; + let mut right_pcm = vec![0i16; config.frame_size]; + + for i in 0..config.frame_size { + left_pcm[i] = chunk[i * 2]; + right_pcm[i] = chunk[i * 2 + 1]; + } + + send_packets( + &clients, + &mut left_codec, + &mut right_codec, + &left_pcm, + &right_pcm, + current_frame_ts, + ) + .await?; + current_frame_ts += frame_duration_us; + pace(current_frame_ts).await; + } + } else { + for chunk in buf.samples().chunks(config.frame_size) { + if chunk.len() < config.frame_size { + break; + } + + send_packets( + &clients, + &mut left_codec, + &mut right_codec, + chunk, + chunk, + current_frame_ts, + ) + .await?; + current_frame_ts += frame_duration_us; + pace(current_frame_ts).await; + } + } + } + } + Ok(()) +} + +async fn send_packets( + clients: &Arc>>, + left_codec: &mut OpusCodec, + right_codec: &mut OpusCodec, + left_pcm: &[i16], + right_pcm: &[i16], + ts: u128, +) -> Result<()> { + let mut left_opus = vec![0u8; 1275]; + let mut right_opus = vec![0u8; 1275]; + + let l_len = left_codec.encode(left_pcm, &mut left_opus)?; + let r_len = right_codec.encode(right_pcm, &mut right_opus)?; + + let l_p = postcard::to_allocvec(&AudioPacket { + timestamp: ts, + data: left_opus[..l_len].to_vec(), + })?; + let r_p = postcard::to_allocvec(&AudioPacket { + timestamp: ts, + data: right_opus[..r_len].to_vec(), + })?; + + let mut lock = clients.lock().await; + if let Some(s) = lock.get_mut(&ChannelRole::Left) { + let _ = send_with_size(s, &l_p).await; + } + if let Some(s) = lock.get_mut(&ChannelRole::Right) { + let _ = send_with_size(s, &r_p).await; + } + Ok(()) +} + +async fn pace(current_frame_ts: u128) { + let now = now_us(); + if current_frame_ts > now + 1_000_000 { + tokio::time::sleep(tokio::time::Duration::from_millis(100)).await; + } +} + +async fn send_with_size(stream: &mut TcpStream, data: &[u8]) -> Result<()> { + stream.write_all(&(data.len() as u32).to_be_bytes()).await?; + stream.write_all(data).await?; + Ok(()) } diff --git a/apps/hello/src/net/discovery.rs b/apps/hello/src/net/discovery.rs new file mode 100644 index 0000000..2847197 --- /dev/null +++ b/apps/hello/src/net/discovery.rs @@ -0,0 +1,45 @@ +use std::net::SocketAddr; +use tokio::net::UdpSocket; +use std::time::Duration; +use crate::net::protocol::ControlPacket; +use anyhow::Result; + +pub const DISCOVERY_PORT: u16 = 8888; +pub const SERVER_PORT: u16 = 8889; + +pub struct Discovery; + +impl Discovery { + pub async fn start_server_beacon() -> Result<()> { + let socket = UdpSocket::bind("0.0.0.0:0").await?; + socket.set_broadcast(true)?; + + let target_addr: SocketAddr = format!("255.255.255.255:{}", DISCOVERY_PORT).parse()?; + let hello = ControlPacket::ServerHello { port: SERVER_PORT }; + let msg = postcard::to_allocvec(&hello)?; + + tokio::spawn(async move { + loop { + let _ = socket.send_to(&msg, target_addr).await; + tokio::time::sleep(Duration::from_secs(1)).await; + } + }); + + Ok(()) + } + + pub async fn client_discover_server() -> Result { + let socket = UdpSocket::bind(format!("0.0.0.0:{}", DISCOVERY_PORT)).await?; + let mut buf = [0u8; 1024]; + + loop { + let (len, addr) = socket.recv_from(&mut buf).await?; + if let Ok(ControlPacket::ServerHello { port }) = postcard::from_bytes::(&buf[..len]) { + let mut server_addr = addr; + server_addr.set_port(port); + return Ok(server_addr); + } + } + } +} + diff --git a/apps/hello/src/net/protocol.rs b/apps/hello/src/net/protocol.rs new file mode 100644 index 0000000..bddab45 --- /dev/null +++ b/apps/hello/src/net/protocol.rs @@ -0,0 +1,37 @@ +use serde::{Deserialize, Serialize}; + +#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, Eq, Hash)] +pub enum ChannelRole { + Left, + Right, +} + +#[derive(Serialize, Deserialize, Debug, Clone)] +pub enum ControlPacket { + // Discovery + ServerHello { + port: u16, + }, + // Handshake + ClientIdentify { + role: ChannelRole, + }, + // Time Sync + Ping { + client_ts: u128, + }, + Pong { + client_ts: u128, + server_ts: u128, + }, + // Stream control + StartStreaming { + start_time: u128, // Server time when streaming starts + }, +} + +#[derive(Serialize, Deserialize, Debug, Clone)] +pub struct AudioPacket { + pub timestamp: u128, // Target server time for playback + pub data: Vec, // Opus encoded data +} diff --git a/apps/hello/src/sync.rs b/apps/hello/src/sync.rs new file mode 100644 index 0000000..0717c43 --- /dev/null +++ b/apps/hello/src/sync.rs @@ -0,0 +1,34 @@ +use std::time::{SystemTime, UNIX_EPOCH}; + +pub fn now_us() -> u128 { + SystemTime::now() + .duration_since(UNIX_EPOCH) + .expect("Time went backwards") + .as_micros() +} + +pub struct ClockSync { + pub offset: i128, // server_time - client_time +} + +impl ClockSync { + pub fn new() -> Self { + Self { offset: 0 } + } + + pub fn update(&mut self, client_send_ts: u128, server_ts: u128, client_recv_ts: u128) { + let rtt = (client_recv_ts - client_send_ts) as i128; + // Estimated server time when client_recv_ts occurred: server_ts + rtt/2 + let estimated_server_now = server_ts as i128 + rtt / 2; + self.offset = estimated_server_now - client_recv_ts as i128; + } + + pub fn to_server_time(&self, client_time: u128) -> u128 { + (client_time as i128 + self.offset) as u128 + } + + pub fn to_client_time(&self, server_time: u128) -> u128 { + (server_time as i128 - self.offset) as u128 + } +} + diff --git a/apps/runtime/build.sh b/apps/runtime/build.sh index 0cdfd78..e70b6ea 100755 --- a/apps/runtime/build.sh +++ b/apps/runtime/build.sh @@ -6,28 +6,15 @@ set -e PROXY="http://host.docker.internal:7890" # 1. 构建编译环境镜像 -# echo "Building Docker image with proxy..." -# docker build \ -# --build-arg http_proxy=$PROXY \ -# --build-arg https_proxy=$PROXY \ -# -t open-xiaoai-runtime . +echo "Building Docker image with proxy..." +docker build \ + --build-arg http_proxy=$PROXY \ + --build-arg https_proxy=$PROXY \ + -t open-xiaoai-runtime . -# 2. 编译 hello world demo -echo "Compiling hello demo..." -docker run --rm -v $(pwd)/../hello:/app/hello open-xiaoai-runtime \ - cargo build --manifest-path hello/Cargo.toml --target armv7-unknown-linux-gnueabihf --release - -# 3. 运行编译出的二进制文件 (通过 QEMU 模拟) -# echo "Running compiled binary via QEMU..." -# docker run --rm -v $(pwd)/../hello/target/armv7-unknown-linux-gnueabihf/release/hello:/app/hello open-xiaoai-runtime \ +# 2. 运行编译出的二进制文件 (通过 QEMU 模拟) +# docker run --rm -v $(pwd)/hello:/app/hello open-xiaoai-runtime \ # run /app/hello -# 4. 交互模式运行 -# docker run --rm -it --privileged open-xiaoai-runtime run - -# 5. 上传二进制文件到小爱音箱 -# dd if=apps/hello/target/armv7-unknown-linux-gnueabihf/release/hello \ -# | ssh -o HostKeyAlgorithms=+ssh-rsa root@192.168.31.235 "dd of=/data/hello" - -# dd if=apps/hello/target/armv7-unknown-linux-gnueabihf/release/hello \ -# | ssh -o HostKeyAlgorithms=+ssh-rsa root@192.168.31.153 "dd of=/data/hello" \ No newline at end of file +# 3. 交互模式运行 +# docker run --rm -it --privileged open-xiaoai-runtime run \ No newline at end of file