# Use cases

The main reasons to use MediaCurator would be the following:

- Print information on a video library such as:

    - How many videos of the lot are in HD vs standard or substandard definitions

    - What videos are in older codecs

    - Are there videos in the library with encoding or corruption errors

- Purge selected videos in a media library

- Batch repair encoding errors on selected videos in a media library

- Batch re-encode videos from an old codec to High Efficiency Video Coding

## Print information

List all videos with old codec in formated format

    mediacurator list -filters:old -dirs:/mnt/media/

List all videos with substandard definitions with a formated output

    mediacurator list -filters:subsd -print:formated -dirs:/mnt/media/

## Purge

Please see Warnings

List and delete all videos using the Windows Media Video codecs

    mediacurator list -del -filters:wmv -dirs:/mnt/media/

List and delete all videos using an Audio Video Interleave

    mediacurator list -del -in:avi -dirs:/mnt/media/

List and delete any videos with encoding errors

    mediacurator list -del -filters:fferror -dirs:/mnt/media/

## Batch repair encoding errors

List all videos with encoding errors

    mediacurator list -filters:fferror -dirs:/mnt/media/

List and delete any videos with encoding errors

    mediacurator list -del -filters:fferror -dirs:/mnt/media/

Convert all videos with encoding errors to High Efficiency Video Coding and the delete the originals

    mediacurator convert -del -filters:fferror -dirs:"/mnt/media/Movies/"

## Batch re-encode

Convert all videos with old codecs to High Efficiency Video Coding to save space and delete the originals

    mediacurator convert -del -filters:old -dirs:"/mnt/media/Movies/"

Convert all videos with the codec mpeg4 to an mkv container using the av1 video codec

    mediacurator convert -filters:mpeg4 -out:av1,mkv -dirs:"/mnt/media/Movies/"

Convert any video with avi or mpg extensions, print formated text including ffmpeg’s output and then delete the originals

    mediacurator convert -del -in:avi,mpg -print:formated,verbose -dirs:/mnt/media/