replace vec.truncate(0) with vec.clear()

[nihav.git] / nihav-qt / src / codecs / svq3.rs

diff --git a/nihav-qt/src/codecs/svq3.rs b/nihav-qt/src/codecs/svq3.rs
index c900d3ca5386379a5cbb3eadaa23b32bd3c4bcc3..d2cd385a2b9e899b8330deab4170d66882fe2526 100644 (file)
--- a/nihav-qt/src/codecs/svq3.rs
+++ b/nihav-qt/src/codecs/svq3.rs
@@ -140,13 +140,13 @@ impl MVInfo {
     }
     fn reset(&mut self) {
         let size = self.w * self.h;
-        self.mv_f.truncate(0);
+        self.mv_f.clear();
         self.mv_f.resize(size, ZERO_MV);
-        self.mv_b.truncate(0);
+        self.mv_b.clear();
         self.mv_b.resize(size, ZERO_MV);
-        self.has_f.truncate(0);
+        self.has_f.clear();
         self.has_f.resize(size >> 4, false);
-        self.has_b.truncate(0);
+        self.has_b.clear();
         self.has_b.resize(size >> 4, false);
     }
     fn fill(&mut self, mb_x: usize, mb_y: usize, fwd: bool, mv: MV) {
@@ -434,7 +434,7 @@ fn mc_part(dframe: &mut NASimpleVideoFrame<u8>, src: NAVideoBufferRef<u8>, ebuf:
 
     copy_block(dframe, src.clone(), ebuf, 0, xoff,     yoff,     mx,  my,  bw * 4, bh * 4, 0, post, mode, ifuncs);
     copy_block(dframe, src.clone(), ebuf, 1, xoff / 2, yoff / 2, cmx, cmy, bw * 2, bh * 2, 0, post, mode, ifuncs);
-    copy_block(dframe, src.clone(), ebuf, 2, xoff / 2, yoff / 2, cmx, cmy, bw * 2, bh * 2, 0, post, mode, ifuncs);
+    copy_block(dframe, src,         ebuf, 2, xoff / 2, yoff / 2, cmx, cmy, bw * 2, bh * 2, 0, post, mode, ifuncs);
 }
 
 impl SVQ3Decoder {
@@ -518,7 +518,7 @@ unimplemented!();
             };
         let slice_len = length + llen + 1;
         validate!(src.len() >= slice_len);
-        self.slice_buf.truncate(0);
+        self.slice_buf.clear();
         if llen > 1 {
             self.slice_buf.extend_from_slice(&src[slice_len - llen + 1..][..llen - 1]);
         }
@@ -813,7 +813,7 @@ println!("slice offset {}", _offset);
         if let (Some(bwd_ref), true, true) = (self.ipbs.get_b_bwdref(), has_fwd, has_bwd) {
             let mut aframe = NASimpleVideoFrame::from_video_buf(&mut self.avg_buf).unwrap();
             let amv = MV { x: bmv.x + (self.mb_x as i16) * 16 * 6, y: bmv.y + (self.mb_y as i16) * 16 * 6 };
-            mc_part(&mut aframe, bwd_ref.clone(), &mut self.ebuf, 0, 0, 4, 4, amv, bmode, ifuncs);
+            mc_part(&mut aframe, bwd_ref, &mut self.ebuf, 0, 0, 4, 4, amv, bmode, ifuncs);
 
             let dstride = dframe.stride[0];
             let dst = &mut dframe.data[dframe.offset[0] + self.mb_x * 16 + self.mb_y * 16 * dstride..];