/usr/lib/pymodules/python2.7/ass/__init__.py:7: UserWarning: Could not load renderer: /usr/lib/x86_64-linux-gnu/libass.so.4: undefined symbol: ass_set_storage_size
warnings.warn("Could not load renderer: " + str(e))
2015-01-15 00:24:33,245 - DMovie - INFO - set movie_file
QSGContext::initialize: stencil buffer support missing, expect rendering errors
QOpenGLShaderProgram: could not create shader program
QOpenGLShader: could not create shader
QOpenGLShader: could not create shader
shader compilation failed:
""
QOpenGLShaderProgram::uniformLocation( matrix ): shader program is not linked
QOpenGLShaderProgram::uniformLocation( opacity ): shader program is not linked
QOpenGLShaderProgram: could not create shader program