GstPipeline Top-level bin with scheduling and pipeline management functionality. In almost all cases, you'll want to use a GstPipeline when creating a filter graph. The GstPipeline will manage all the scheduling issues, including threading, as well as provide simple interfaces to common functions, like 'Play'. gst_pipeline_new() is used to create a pipeline. when you are done with the pipeline, use gst_element_unref() to free its resources. #GstBin @name: @Returns: Destroys the pipeline. @pipeline: #GstPipeline to destroy