Fixed video writer filename check for plugins

5 years ago · 2a9521661e
parent 8408587341
commit 2a9521661e
1 changed files with 2 additions and 1 deletions
--- a/modules/videoio/src/backend_plugin.cpp
+++ b/modules/videoio/src/backend_plugin.cpp
@ -480,7 +480,8 @@ public:
        if (plugin_api->Writer_open)
        {
            CV_Assert(plugin_api->Writer_release);
-            if (CV_ERROR_OK == plugin_api->Writer_open(filename.empty() ? 0 : filename.c_str(), fourcc, fps, sz.width, sz.height, isColor, &writer))
+            CV_Assert(!filename.empty());
+            if (CV_ERROR_OK == plugin_api->Writer_open(filename.c_str(), fourcc, fps, sz.width, sz.height, isColor, &writer))
            {
                CV_Assert(writer);
                return makePtr<PluginWriter>(plugin_api, writer);