GStreamer Check Unit Testing

GstCheck — Common code for GStreamer unit tests
GstBufferStraw — Buffer interception code for GStreamer unit tests
GstStreamConsistency — Data flow consistency checker for GStreamer unit tests.
GstHarness — A test-harness for writing GStreamer unit tests
GstTestClock — Controllable, deterministic clock for GStreamer unit tests

libgstcheck-1.0.so provides functionality for writing unit tests that use the check framework.