X-Git-Url: https://git.nihav.org/?a=blobdiff_plain;f=nihav-duck%2Fsrc%2Fcodecs%2Fvp5.rs;h=7ba6d2ac70d5322a0bd8ae95e48483e55bb8400f;hb=6d3946fe53fe059226e923b8a01fa31cb13f9ad5;hp=abfd4d0af88b73a1c77c2361e55c6d000fd3f9c2;hpb=3584b223ce417fe167dc90cb9a40e173f34823c0;p=nihav.git

diff --git a/nihav-duck/src/codecs/vp5.rs b/nihav-duck/src/codecs/vp5.rs
index abfd4d0..7ba6d2a 100644
--- a/nihav-duck/src/codecs/vp5.rs
+++ b/nihav-duck/src/codecs/vp5.rs
@@ -219,11 +219,16 @@ impl VP56Parser for VP5BR {
     }
     fn mc_block(&self, dst: &mut NASimpleVideoFrame<u8>, mc_buf: NAVideoBufferRef<u8>, src: NAVideoBufferRef<u8>, plane: usize, x: usize, y: usize, mv: MV, loop_str: i16) {
         let (sx, sy, mx, my) = if (plane != 1) && (plane != 2) {
-                (mv.x / 2, mv.y / 2, mv.x & 1, mv.y & 1)
+                (mv.x >> 1, mv.y >> 1, mv.x & 1, mv.y & 1)
             } else {
-                (mv.x / 4, mv.y / 4, (mv.x >> 1) & 1, (mv.y >> 1) & 1)
+                (mv.x >> 2, mv.y >> 2, if (mv.x & 3) != 0 { 1 } else { 0 }, if (mv.y & 3) != 0 { 1 } else { 0 })
+            };
+        let mode1 = (mx as usize) + (my as usize) * 2;
+        let mode = if (mode1 == 3) && (mv.x ^ mv.y < 0) {
+                4
+            } else {
+                mode1
             };
-        let mode = (mx as usize) + (my as usize) * 2;
         vp_copy_block(dst, src, plane, x, y, sx, sy, 0, 1, loop_str,
                       mode, VP3_INTERP_FUNCS, mc_buf);
     }
@@ -267,9 +272,12 @@ impl NADecoder for VP5Decoder {
         frm.set_frame_type(ftype);
         Ok(frm.into_ref())
     }
+    fn flush(&mut self) {
+        self.dec.flush();
+    }
 }
 
-pub fn get_decoder() -> Box<NADecoder> {
+pub fn get_decoder() -> Box<NADecoder + Send> {
     Box::new(VP5Decoder::new())
 }