From 37be18afca6c7cb5079ca58223e73bd3d4abbee1 Mon Sep 17 00:00:00 2001
From: nareix <hi.nareix@gmail.com>
Date: Tue, 16 Aug 2016 15:33:22 +0800
Subject: [PATCH] av: AudioFrame split range check

---
 av/av.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/av/av.go b/av/av.go
index 5fe1d0b..76b1f61 100644
--- a/av/av.go
+++ b/av/av.go
@@ -264,6 +264,9 @@ func (self AudioFrame) HasSameFormat(other AudioFrame) bool {
 
 // Split sample audio sample from this frame.
 func (self AudioFrame) Slice(start int, end int) (out AudioFrame) {
+	if start > end {
+		panic(fmt.Sprintf("av: AudioFrame split failed start=%d end=%d invalid", start, end))
+	}
 	out = self
 	out.Data = append([][]byte(nil), out.Data...)
 	out.SampleCount = end - start