[autotest] add autorepeats

:Release Notes:
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:Detailed Notes:
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:Testing Performed:
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:QA Notes:
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:Issues Addressed:
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PyScripts/gstreamerAutotest.py

@@ -52,6 +52,8 @@ psnr_check = {
 
 with_docker = [ "nvv4l2h264enc" ]
 
+repeats = 3 
+
 formats = {
     "x264enc": "I420",
     "nvh264enc": "NV12",
@@ -239,6 +241,7 @@ def run_autotest():
         for params in combinations:
             for profile in profiles:
                 for videoName, videoPath in videos.items():
+                    for _ in range(repeats):
                         filename = "autotest-" + encoder + "-" + profile + "-test-" + videoName + ".mp4"
                         pipeline = Pipeline()
                         pipeline = (