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Set default input_latency value #95

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@tokk-nv tokk-nv commented Nov 2, 2021

When launching video_viewer.ros2.launch or video_source.ros2.launch, it will result in an error if not supplying input_latency:=100 option.

launch.substitutions.substitution_failure.SubstitutionFailure: launch configuration 'input_latency' does not exist
This PR is to avoid this error by setting the default value.

This PR is to avoid this error by setting the default value.

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