video streaming test script

dusty-nv · May 30, 2023 · 660cada · 660cada
1 parent 7b92910
commit 660cada
Showing 1 changed file with 86 additions and 0 deletions.
diff --git a/python/examples/test-video.py b/python/examples/test-video.py
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+#!/usr/bin/env python3
+#
+# Copyright (c) 2023, NVIDIA CORPORATION. All rights reserved.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+# DEALINGS IN THE SOFTWARE.
+#
+
+import sys
+import argparse
+from jetson_utils import videoSource, videoOutput, Log
+
+
+# parse command line
+parser = argparse.ArgumentParser(description="Test various video streaming APIs", 
+                                 formatter_class=argparse.RawTextHelpFormatter, 
+                                 epilog=videoSource.Usage() + videoOutput.Usage() + Log.Usage())
+
+parser.add_argument("input", type=str, default="/dev/video0", nargs='?', help="URI of the input stream")
+parser.add_argument("output", type=str, default="images/test/test_video.mp4", nargs='?', help="URI of the output stream")
+
+try:
+	args = parser.parse_known_args()[0]
+except:
+	print("")
+	parser.print_help()
+	sys.exit(0)
+
+
+# create video source
+input = videoSource(args.input, 
+                    argv=sys.argv,
+                    options={
+                        'width': 1920,
+                        'height': 1080,
+                        'framerate': 30, 
+                    })
+
+# output
+output = videoOutput(args.output,
+                     argv=sys.argv,
+                     options={
+                        'bitrate': 2500000,
+                        'codec': 'h264'
+                     })
+
+# capture frames until EOS or user exits
+numFrames = 0
+
+while True:
+    # capture the next image
+    img = input.Capture()
+
+    if img is None: # timeout
+        continue  
+
+    if numFrames % 25 == 0 or numFrames < 15:
+        Log.Verbose(f"test-video:  captured {numFrames} frames ({img.width} x {img.height})")
+
+    numFrames += 1
+
+    # render the image
+    output.Render(img)
+
+    # update the title bar
+    output.SetStatus("Video Test | {:d}x{:d} | {:.1f} FPS".format(img.width, img.height, output.GetFrameRate()))
+
+    # exit on input/output EOS
+    if not input.IsStreaming() or not output.IsStreaming():
+        break
+