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<p>I would suggest to try the following to determine the quality of your strem:</p>
<p>gst-launch rtspsrc location=rtsp://ip/path ! rtph264depay ! rh264parse ! fakesink -v</p>
<p>The result are encoded frames; check the diffs between the frames to see if your encoder provides properly stamped frames before you do something else.</p>
<p>It is in our experience best to include the parser in the pipelines.</p>
<p>e.g PAL should diff 40 ms or 20 ms, NTSC 33 ms or 16 ms</p>