+""" % (VIDEO_BUFFERS, VIDEO_FRAMERATE, FONT_DESC, AUDIO_BUFFERS,
+ AUDIO_SAMPLESPERBUFFER, AUDIO_SAMPLERATE)
+
+PNG_REST_SAMPLE_TEMPLATE = """
+ videotestsrc num-buffers=1 pattern=black ! \
+ textoverlay valignment=center halignment=center font-desc="%s" text="rest" ! \
+ pngenc ! filesink location="{0}/sample_rest.png"
+""" % FONT_DESC