Blender Power Sequencer Renderer
This is a standalone python package as well as a module which is used under the hood in the Blender Power Sequencer add-on to speed up rendering VSE projects by spawning Blender processes in background in parallel.
It can be installed as a standalone command line utility via PiPy: pip install [--user] bpsrender. Note that you have to have $HOME/.local/bin included in your $PATH environment variable (on unix) if you’re going to install the utility locally (using --user when executing pip).
After installing the script, get help by writing bpsrender -h:
usage: bpsrender [-h] [-o OUTPUT] [-w WORKERS] [-v] [--dry-run] [-s START] [-e END] [-m] [-c] [-d] [-j] blendfile Multi-process Blender VSE rendering - will attempt to create a folder called `render` inside of the folder containing `blendfile`. Insider `render` another folder called `parts` will be created for storing temporary files. These files will be joined together as the last step to produce the final render which will be stored inside `render` and it will have the same name as `blendfile` positional arguments: blendfile Blender project file to render. optional arguments: -h, --help show this help message and exit -o OUTPUT, --output OUTPUT Output folder (will contain a `bpsrender` temp folder forrendering parts). -w WORKERS, --workers WORKERS Number of workers in the pool (for video rendering). -v, --verbose Increase verbosity level (eg. -vvv). --dry-run Run the script without actual rendering or creating files and folders. For DEBUGGING purposes -s START, --start START Start frame -e END, --end END End frame -m, --mixdown-only ONLY render the audio MIXDOWN -c, --concatenate-only ONLY CONCATENATE the (already) available video chunks -d, --video-only ONLY render the VIDEO (implies --concatenate-only). -j, --join-only ONLY JOIN the mixdown with the video. This will produce the final render
to be available in the $PATH environment variable in order to work. In case BPSRender will catch a missing dependency it will throw a message error similar to this:
BPSRender couldn't find external dependencies: [v] blender: /home/razvan/.local/bin/blender [X] ffmpeg: NOT FOUND Check if you have them properly installed and available in the PATH environemnt variable. Exiting...
[ ] CTRL-C interrupt leaves subprocesses running in the background
[ ] CTRL-C interrupt doesn’t clean the folders yet
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