video: some optimization.

3 jobs for video_accumulation in 22 minutes and 40 seconds (queued for 6 seconds)
Status Name Job ID Coverage
  Build
passed build-linux #228822
linux

00:22:37

failed build-win #228823
win

00:05:44

 
  Deploy
skipped deploy-devel #228824
conda linux allowed to fail manual
 
Name Stage Failure
failed
build-win Build
  File "C:\Miniconda3\lib\site-packages\conda_build\windows.py", line 294, in build
check_call_env(cmd, cwd=m.config.work_dir, stats=stats, rewrite_stdout_env=rewrite_env)
File "C:\Miniconda3\lib\site-packages\conda_build\utils.py", line 398, in check_call_env
return _func_defaulting_env_to_os_environ('call', *popenargs, **kwargs)
File "C:\Miniconda3\lib\site-packages\conda_build\utils.py", line 378, in _func_defaulting_env_to_os_environ
raise subprocess.CalledProcessError(proc.returncode, _args)
subprocess.CalledProcessError: Command '['cmd.exe', '/d', '/c', 'conda_build.bat']' returned non-zero exit status 1.
Cleaning up file based variables
ERROR: Job failed: exit status 1