Environment variable to specify the folder where the video is recorded

[alb3ric]

#1868

Description

Specify folder where the video is recorded with an environment variable.

Motivation and Context

#1868

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• I have read the contributing document.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.

[CLAassistant]

All committers have signed the CLA.

[diemol]

@alb3ric can you please sign the CLA?

[diemol]

Thank you, @alb3ric!