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

[nihav.git] / nihav-itu / src / codecs / h264 / pic_ref.rs

diff --git a/nihav-itu/src/codecs/h264/pic_ref.rs b/nihav-itu/src/codecs/h264/pic_ref.rs
index 88d453d724fbbbae602ffbdbc91224bd65fd423d..17a1b3b2ca1d5edc4a89447dd52899d136eac65a 100644 (file)
--- a/nihav-itu/src/codecs/h264/pic_ref.rs
+++ b/nihav-itu/src/codecs/h264/pic_ref.rs
@@ -200,8 +200,8 @@ impl FrameRefs {
                     self.long_term.resize(arg1 as usize, None);
                 },
                 5 => {
-                    self.ref_pics.truncate(0);
-                    self.long_term.truncate(0);
+                    self.ref_pics.clear();
+                    self.long_term.clear();
                 },
                 6 => {
                     // assign an long term index to current pic - done elsewhere
@@ -212,12 +212,13 @@ impl FrameRefs {
         Ok(())
     }
     pub fn clear_refs(&mut self) {
-        self.ref_pics.truncate(0);
-        self.long_term.truncate(0);
+        self.ref_pics.clear();
+        self.long_term.clear();
     }
+    #[allow(clippy::cognitive_complexity)]
     pub fn select_refs(&mut self, sps: &SeqParameterSet, slice_hdr: &SliceHeader, cur_id: u32) {
-        self.ref_list0.truncate(0);
-        self.ref_list1.truncate(0);
+        self.ref_list0.clear();
+        self.ref_list1.clear();
         let pic_num_mask = if sps.log2_max_frame_num == 16 {
                 0xFFFF
             } else {
@@ -408,7 +409,7 @@ impl FrameRefs {
     }
 }
 
-fn form_ref_list(ref_list: &mut Vec<Option<PictureInfo>>, ref_pics: &Vec<PictureInfo>, long_term: &Vec<Option<PictureInfo>>, reord_info: &ReorderingInfo, cur_id: u16, pic_num_mask: u16) {
+fn form_ref_list(ref_list: &mut Vec<Option<PictureInfo>>, ref_pics: &[PictureInfo], long_term: &[Option<PictureInfo>], reord_info: &ReorderingInfo, cur_id: u16, pic_num_mask: u16) {
     let mut ref_pic_id = cur_id;
     for (&op, &num) in reord_info.reordering_of_pic_nums_idc.iter().zip(reord_info.abs_diff_or_num.iter()).take(reord_info.num_ops) {
         if op < 2 {