From 162d84950cbec4ec51d22a3fe8fd4d775c453500 Mon Sep 17 00:00:00 2001
From: "Baik S. Hyun" <shbaik@icomsys.co.kr>
Date: Tue, 29 Jun 2021 16:15:25 +0900
Subject: [PATCH] add. test codec ctx,pkt

---
 cgo/ffmpeg/audio.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cgo/ffmpeg/audio.go b/cgo/ffmpeg/audio.go
index fef83c6..296431a 100644
--- a/cgo/ffmpeg/audio.go
+++ b/cgo/ffmpeg/audio.go
@@ -585,8 +585,8 @@ func (self *AudioDecoder) Decode(pkt []byte) (gotframe bool, frame av.AudioFrame
 
 	cgotframe := C.int(0)
 
-	if ff.codecCtx == nil {
-		err = fmt.Errorf("ffmpeg: Decode ff.codecCtx NULL")
+	if ff.codecCtx == nil || &pkt[0] == nil {
+		err = fmt.Errorf("ffmpeg: Decode ff.codecCtx NULL or pkg NULL")
 		return 
 	}