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

[nihav.git] / nihav-core / src / frame.rs

diff --git a/nihav-core/src/frame.rs b/nihav-core/src/frame.rs
index 5499de1001b40b36446bec2cd8d99902bcf24d1e..f596dc95ad2b1d02b684c6563be6bd0492a4e5ec 100644 (file)
--- a/nihav-core/src/frame.rs
+++ b/nihav-core/src/frame.rs
@@ -390,6 +390,17 @@ impl NABufferType {
             _ => 0,
         }
     }
+    /// Truncates audio frame duration if possible.
+    pub fn truncate_audio(&mut self, len: usize) {
+        match *self {
+            NABufferType::AudioU8(ref mut ab)     => ab.truncate(len),
+            NABufferType::AudioI16(ref mut ab)    => ab.truncate(len),
+            NABufferType::AudioI32(ref mut ab)    => ab.truncate(len),
+            NABufferType::AudioF32(ref mut ab)    => ab.truncate(len),
+            NABufferType::AudioPacked(ref mut ab) => ab.truncate(len),
+            _ => {},
+        };
+    }
     /// Returns the distance between starts of two channels.
     pub fn get_audio_stride(&self) -> usize {
         match *self {
@@ -741,7 +752,7 @@ impl<T:Copy> NAVideoBufferPool<T> {
     }
     /// Clears the pool from all frames.
     pub fn reset(&mut self) {
-        self.pool.truncate(0);
+        self.pool.clear();
     }
 }