Only do threaded sws_scale_frame when using ffmpeg 5.0 or later. On earlier versions continue using the single threaded path. Pull Request: https://projects.blender.org/blender/blender/pulls/116226
Only do threaded sws_scale_frame when using ffmpeg 5.0 or later. On earlier versions continue using the single threaded path. Pull Request: https://projects.blender.org/blender/blender/pulls/116226