/schemas/system/gstreamer/default/audiosink /system/gstreamer/default/audiosink gstreamer string osssink default GStreamer audiosink GStreamer can play audio using any number of output elements. Some possible choices are osssink, esdsink and alsasink. The audiosink can be a partial pipeline instead of just one element. /schemas/system/gstreamer/default/videosink /system/gstreamer/default/videosink gstreamer string xvideosink default GStreamer videosink GStreamer can play video using any number of output elements. Some possible choices are xvideosink, sdlvideosink and aasink. The videosink can be a partial pipeline instead of just one element. /schemas/system/gstreamer/default/audiosrc /system/gstreamer/default/audiosrc gstreamer string osssrc default GStreamer audiosrc GStreamer can record audio using any number of input elements. Some possible choices are osssrc, esdsrc and alsasrc. The videosink can be a partial pipeline instead of just one element. /schemas/system/gstreamer/default/videosink /system/gstreamer/default/videosink gstreamer string xvideosink default GStreamer videosink GStreamer can record video from any number of input elements. Some possible choices are v4lsrc and videotestsrc. The videosrc can be a partial pipeline instead of just one element.