From: Kostya Shishkov <kostya.shishkov@gmail.com>
Date: Fri, 29 Oct 2021 12:07:55 +0000 (+0200)
Subject: core/frame: add proper function for audio frame truncation
X-Git-Url: https://git.nihav.org/?a=commitdiff_plain;h=a1298b7a5dcf1656dfc9bdbf3d6c80df89a70fc8;p=nihav.git

core/frame: add proper function for audio frame truncation
---

diff --git a/nihav-core/src/frame.rs b/nihav-core/src/frame.rs
index 5499de1..31cf8e8 100644
--- 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 {