Improved set_gst_plugin_path, more comprehensive path.

Also tried to tidy up a bit.

1 files changed, 38 insertions, 9 deletions

diff --git a/linden/indra/llmedia/llmediaimplgstreamer.cpp b/linden/indra/llmedia/llmediaimplgstreamer.cpp
index ed7b36e..0cc1e8f 100644
--- a/linden/indra/llmedia/llmediaimplgstreamer.cpp
+++ b/linden/indra/llmedia/llmediaimplgstreamer.cpp
@@ -203,25 +203,54 @@ bool LLMediaImplGStreamer::startup (LLMediaManagerData* init_data)
 
 void LLMediaImplGStreamer::set_gst_plugin_path()
 {
+        // Only needed for Windows.
+        // Linux sets in wrapper.sh, Mac sets in Info-Imprudence.plist
 #ifdef LL_WINDOWS
-        char* buffer;
+
+        char* imp_cwd;
 
         // Get the current working directory: 
-        if((buffer = _getcwd(NULL,0)) == NULL)
+        imp_cwd = _getcwd(NULL,0);
+
+        if(imp_cwd == NULL)
         {
-                LL_INFOS("InitInfo") << "_getcwd error" << LL_ENDL;
+                LL_DEBUGS("LLMediaImpl") << "_getcwd failed, not setting GST_PLUGIN_PATH."
+                                         << LL_ENDL;
         }
         else
         {
-                LL_INFOS("InitInfo") << "Imprudence is installed at " << buffer << LL_ENDL;
-                
-                std::string plugin_path = "GST_PLUGIN_PATH=" + std::string(buffer) + "\\lib\\gstreamer-plugins";
+                LL_DEBUGS("LLMediaImpl") << "Imprudence is installed at "
+                                         << buffer << LL_ENDL;
+
+                // Grab the current path, if it's set.
+                std::string old_plugin_path = "";
+                char *old_path = getenv("GST_PLUGIN_PATH");
+                if(old_path == NULL)
+                {
+                        LL_DEBUGS("LLMediaImpl") << "Did not find user-set GST_PLUGIN_PATH."
+                                                 << LL_ENDL;
+                }
+                else
+                {
+                        old_plugin_path = std::string( old_path ) + ":";
+                }
+
+
+                // Search both Imprudence and Imprudence\lib\gstreamer-plugins.
+                // But we also want to first search the path the user has set, if any.
+                std::string plugin_path =
+                  "GST_PLUGIN_PATH=" +
+                  old_plugin_path +
+                  std::string(imp_cwd) + ":" + 
+                  std::string(imp_cwd) + "\\lib\\gstreamer-plugins";
 
                 // Place GST_PLUGIN_PATH in the environment settings for imprudence.exe
-                const char* gst_plugin_path = plugin_path.c_str();
-                putenv(gst_plugin_path);
-                LL_INFOS("InitInfo") << "GST_PLUGIN_PATH set to " << getenv("GST_PLUGIN_PATH") << LL_ENDL;
+                putenv( plugin_path.c_str() );
+
+                LL_DEBUGS("LLMediaImpl") << "GST_PLUGIN_PATH set to "
+                                         << getenv("GST_PLUGIN_PATH") << LL_ENDL;
         }
+
 #endif //LL_WINDOWS
 }