From 661401f4a5f0a57ff74dd9cc6c23536268e4548f Mon Sep 17 00:00:00 2001
From: xufulong <839789740@qq.com>
Date: Tue, 18 Aug 2020 00:28:16 +0800
Subject: [PATCH] check nativeWindow is null or not

check nativeWindow is null or not
---
 app/src/main/cpp/video_filter.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/app/src/main/cpp/video_filter.c b/app/src/main/cpp/video_filter.c
index b1f2971..dbf762c 100644
--- a/app/src/main/cpp/video_filter.c
+++ b/app/src/main/cpp/video_filter.c
@@ -187,6 +187,10 @@ int open_input(JNIEnv *env, const char *file_name, jobject surface) {
     }
 
     nativeWindow = ANativeWindow_fromSurface(env, surface);
+    if (!nativeWindow) {
+        LOGE(TAG, "nativeWindow is null...");
+        return -1;
+    }
     ANativeWindow_setBuffersGeometry(nativeWindow, pCodecCtx->width, pCodecCtx->height,
                                      WINDOW_FORMAT_RGBA_8888);
     pFrame = av_frame_alloc();