add A/V delay compensation test

diff --git a/tests/tc_audio_video_delay.sh b/tests/tc_audio_video_delay.sh
new file mode 100755 (executable)
index 0000000..52be689
--- /dev/null
+++ b/tests/tc_audio_video_delay.sh
@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+gst-launch-1.0 uridecodebin uri=file:///$1 name=dec \
+       dec. ! queue ! videoconvert ! autovideosink  \
+       dec. ! queue ! audioconvert ! identity ts-offset=1000000000 ! autoaudiosink