diff --git a/How-to-install-QtGstreamer-and-related-plugins-for-unix-version.md b/How-to-install-QtGstreamer-and-related-plugins-for-unix-version.md
index af8beee..8063894 100644
--- a/How-to-install-QtGstreamer-and-related-plugins-for-unix-version.md
+++ b/How-to-install-QtGstreamer-and-related-plugins-for-unix-version.md
@@ -12,3 +12,6 @@ Usefull links:
 [qtquick2videosink](https://gstreamer.freedesktop.org/data/doc/gstreamer/head/qt-gstreamer/html/qtvideosink_overview.html)
 [GStreamer](https://github.com/GStreamer/qt-gstreamer)
 [Developer Library Best practices for application development Using GStreamer](http://mirror.thecust.net/meego_1.2_harmattan_developer_documentation/html/guide/html/Developer_Library_Best_practices_for_application_development_Using_GStreamer.html)
+[how to include a gstreamer sink in a qml video item](https://stackoverflow.com/questions/39531771/how-to-include-a-gstreamer-sink-in-a-qml-videoitem)
+[mp4 playback](https://github.com/PhdLoLi/gstreamer-all/blob/master/mp4_playback.cpp)
+[qt-gstreamer base source](https://github.com/Tiger-1/qt-gstreamer/blob/master/main.cpp)