feat: 新增安卓平台支持

src/stream/mjpeg.rs

@@ -1,4 +1,5 @@
 use arc_swap::ArcSwap;
+#[cfg(feature = "desktop")]
 use parking_lot::Mutex as ParkingMutex;
 use parking_lot::RwLock as ParkingRwLock;
 use std::collections::{HashMap, VecDeque};
@@ -6,13 +7,18 @@ use std::sync::atomic::{AtomicBool, AtomicU64, Ordering};
 use std::sync::Arc;
 use std::time::{Duration, Instant};
 use tokio::sync::broadcast;
-use tracing::{debug, info, warn};
+#[cfg(feature = "desktop")]
+use tracing::debug;
+use tracing::{info, warn};
 
 /// Generation token paired with `client_id` so [`unregister_client`] ignores stale drops.
 pub type ClientGeneration = u64;
 
+#[cfg(feature = "desktop")]
 use crate::video::codec::traits::{Encoder, EncoderConfig};
+#[cfg(feature = "desktop")]
 use crate::video::codec::JpegEncoder;
+#[cfg(feature = "desktop")]
 use crate::video::format::PixelFormat;
 use crate::video::VideoFrame;
 
@@ -108,6 +114,7 @@ pub struct MjpegStreamHandler {
     last_frame_ts: ParkingRwLock<Option<Instant>>,
     dropped_same_frames: AtomicU64,
     max_drop_same_frames: AtomicU64,
+    #[cfg(feature = "desktop")]
     jpeg_encoder: ParkingMutex<Option<JpegEncoder>>,
     jpeg_quality: AtomicU64,
 }
@@ -126,6 +133,7 @@ impl MjpegStreamHandler {
             sequence: AtomicU64::new(0),
             clients: ParkingRwLock::new(HashMap::new()),
             next_generation: AtomicU64::new(1),
+            #[cfg(feature = "desktop")]
             jpeg_encoder: ParkingMutex::new(None),
             auto_pause_config: ParkingRwLock::new(AutoPauseConfig::default()),
             last_frame_ts: ParkingRwLock::new(None),
@@ -157,6 +165,7 @@ impl MjpegStreamHandler {
         }
 
         let frame = if !frame.format.is_compressed() {
+            #[cfg(feature = "desktop")]
             match self.encode_to_jpeg(&frame) {
                 Ok(jpeg_frame) => jpeg_frame,
                 Err(e) => {
@@ -164,6 +173,13 @@ impl MjpegStreamHandler {
                     return;
                 }
             }
+            #[cfg(not(feature = "desktop"))]
+            {
+                warn!(
+                    "Dropping non-JPEG frame for MJPEG stream on Android; native encoder is not wired yet"
+                );
+                return;
+            }
         } else {
             frame
         };
@@ -200,6 +216,7 @@ impl MjpegStreamHandler {
         let _ = self.frame_notify.send(());
     }
 
+    #[cfg(feature = "desktop")]
     fn encode_to_jpeg(&self, frame: &VideoFrame) -> Result<VideoFrame, String> {
         let resolution = frame.resolution;
         let sequence = self.sequence.load(Ordering::Relaxed);

src/stream/mod.rs

@@ -1,7 +1,9 @@
 //! MJPEG multipart streaming and WebSocket HID (for MJPEG mode).
 
 pub mod mjpeg;
+#[cfg(feature = "desktop")]
 pub mod ws_hid;
 
 pub use mjpeg::{ClientGuard, MjpegStreamHandler};
+#[cfg(feature = "desktop")]
 pub use ws_hid::WsHidHandler;