Fix GStreamer plugin path for exported applications

Work around processing/processing#4493

library.properties

@@ -40,11 +40,11 @@ paragraph = Using GL textures & OpenMAX. Currently only supported on the Raspber
 # compare different versions of the same library, and check if an update is
 # available. You should think of it as a counter, counting the total number of
 # releases you've had.
-version = 1
+version = 1.0.1
 
 # The version as the user will see it. If blank, the version attribute will be
 # used here. This should be a single word, with no spaces.
-prettyVersion = 1
+prettyVersion = 2
 
 # The min and max revision of Processing compatible with your library.
 # Note that these fields use the revision and not the version of Processing,

src/gohai/glvideo/GLVideo.java

@@ -74,12 +74,14 @@ public GLVideo(PApplet parent, String fn_or_uri, int flags) {
       loaded = true;
 
       String jar = GLVideo.class.getProtectionDomain().getCodeSource().getLocation().getPath();
-      String nativeLib = jar.substring(0, jar.lastIndexOf(File.separatorChar)) + "/linux-armv6hf";
+      String nativeLib = jar.substring(0, jar.lastIndexOf(File.separatorChar));
       // set a custom plugin path and prevent globally installed libraries from being loaded
-      gstreamer_setEnvVar("GST_PLUGIN_PATH_1_0", nativeLib + "/gstreamer-1.0/");
       gstreamer_setEnvVar("GST_PLUGIN_SYSTEM_PATH_1_0", "");
+      // the second plugin path is necessary since the directory structure for exported applications
+      // doesn't contain a linux-armv6hf directory
+      gstreamer_setEnvVar("GST_PLUGIN_PATH_1_0", nativeLib + "/linux-armv6hf/gstreamer-1.0/:" + nativeLib + "/gstreamer-1.0/");
       // keep a local registry
-      gstreamer_setEnvVar("GST_REGISTRY_1_0", nativeLib + "/gstreamer-1.0/registry");
+      gstreamer_setEnvVar("GST_REGISTRY_1_0", nativeLib + "/linux-armv6hf/gstreamer-1.0/registry");
       // we could also set GST_GL_API & GST_GL_PLATFORM here
 
       if (gstreamer_init() == false) {