opt codec

1. use src width/height to convert yuv
2. align dst yuv to avoid illegal memory access
3. init yuvfmt when new codec
4. move remote reset calls from empty conns judge to emtpy remote conns
   judge

Signed-off-by: 21pages <pages21@163.com>

libs/scrap/src/common/quartz.rs

@@ -55,7 +55,12 @@ impl crate::TraitCapturer for Capturer {
                     Some(mut frame) => {
                         crate::would_block_if_equal(&mut self.saved_raw_data, frame.inner())?;
                         frame.surface_to_bgra(self.height());
-                        Ok(Frame(frame, PhantomData))
+                        Ok(Frame {
+                            frame,
+                            data: PhantomData,
+                            width: self.width(),
+                            height: self.height(),
+                        })
                     }
 
                     None => Err(io::ErrorKind::WouldBlock.into()),
@@ -69,16 +74,29 @@ impl crate::TraitCapturer for Capturer {
     }
 }
 
-pub struct Frame<'a>(pub quartz::Frame, PhantomData<&'a [u8]>);
+pub struct Frame<'a> {
+    frame: quartz::Frame,
+    data: PhantomData<&'a [u8]>,
+    width: usize,
+    height: usize,
+}
 
 impl<'a> crate::TraitFrame for Frame<'a> {
     fn data(&self) -> &[u8] {
-        &*self.0
+        &*self.frame
+    }
+
+    fn width(&self) -> usize {
+        self.width
+    }
+
+    fn height(&self) -> usize {
+        self.height
     }
 
     fn stride(&self) -> Vec<usize> {
         let mut v = Vec::new();
-        v.push(self.0.stride());
+        v.push(self.frame.stride());
         v
     }