From 04931ddb2daf1f54cfb7efdd0f9a7414532a72f2 Mon Sep 17 00:00:00 2001
From: slllllala <37529654+dsfdeeeg@users.noreply.github.com>
Date: Thu, 7 Nov 2019 14:42:39 +0800
Subject: [PATCH] Avoid reading pictures

After reading the video, use it to read the image, and the image does not display
---
 src/osgPlugins/ffmpeg/ReaderWriterFFmpeg.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/osgPlugins/ffmpeg/ReaderWriterFFmpeg.cpp b/src/osgPlugins/ffmpeg/ReaderWriterFFmpeg.cpp
index 2d52bff23..24417a9eb 100644
--- a/src/osgPlugins/ffmpeg/ReaderWriterFFmpeg.cpp
+++ b/src/osgPlugins/ffmpeg/ReaderWriterFFmpeg.cpp
@@ -135,6 +135,9 @@ public:
     virtual ReadResult readImage(const std::string & filename, const osgDB::ReaderWriter::Options* options) const
     {
         const std::string ext = osgDB::getLowerCaseFileExtension(filename);
+        const std::string pro = osgDB::getServerProtocol(filename);
+		if (!acceptsExtension(ext) && !acceptsProtocol(pro)) return ReadResult::FILE_NOT_HANDLED;
+        
         if (ext=="ffmpeg") return readImage(osgDB::getNameLessExtension(filename),options);
 
         osg::ref_ptr<osgFFmpeg::FFmpegParameters> parameters(new osgFFmpeg::FFmpegParameters);