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Came up in a meetup with @talmo re their experiences in SLEAP working with video recordings of behavioral data. In their experience, many, if not most, videos coming from audio/video recording hardware would be either uncompressed or badly compressed, resulting in those recordings taking LOTS of space (placing the aspect of number of files aside for now). For that reason in https://sleap.ai/help.html#does-my-data-need-to-be-in-a-particular-format they provide recommended settings for ffmpeg to see such files compressed:
useful to provide some guidance at the time of validation/upload to ensure that videos uploaded to archive are appropriately compressed and we are not blowing up the size of the archive with loosely or uncompressed videos. Yet to figure out usable procedures for that but could be pretty much taking a sample video and recompressing with "recommended" settings and seeing how well it compresses
yarikoptic
changed the title
"sense" video files as for the quality of their compression
"sense" video files as for the quality of their compression, seekability, ...
Feb 12, 2025
Came up in a meetup with @talmo re their experiences in SLEAP working with video recordings of behavioral data. In their experience, many, if not most, videos coming from audio/video recording hardware would be either uncompressed or badly compressed, resulting in those recordings taking LOTS of space (placing the aspect of number of files aside for now). For that reason in https://sleap.ai/help.html#does-my-data-need-to-be-in-a-particular-format they provide recommended settings for ffmpeg to see such files compressed:
Similarly, for ReproNim's reprostim project, where we capture audio/video of presented to MRI experiment stimuli using cheap magewell capture card, and on a small underpowered hardware, with @vmdocua we specify default settings in https://github.com/ReproNim/reprostim/blob/master/src/reprostim-capture/videocapture/config.yaml#L105 for ffmpeg video component as
ATM.
edited: In DANDI we already have 44 dandisets with videos
I think it would be
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