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Old 30th March 2021, 15:11   #1  |  Link
eth
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Join Date: Mar 2021
Posts: 2
best ffmpeg settings for cctv reencoding?

Dear Doom9ers,

I have a video feed from Hikvision CCTV cameras which is of awesome quality even with low bitrate: open rtsp://doom9:doomdoom1@zoocafe.ath.c...g/Channels/101 in VLC (h265, 2048 kbps, 300 GOP, takes 5-10 seconds to load)

When I reencode it in OBS, the output quality is poor (I can see blocks and artefacts) even on "medium" tuning settings.

Somehow, the Hikvision company managed to figure out the holy grail of encoding even on their tiniest cctv chips (I took one of their cameras apart and was surprised by the low amount of electronics that they use).

Perhaps, there are special fine-tuning parameters for ffmpeg that I could use to get at least closer to that quality without overstressing the processor?

Since the feed is coming from a CCTV, the image is stable all the time (camera isn't shaking). Can I use any tuning parameters to account for this and devote more resources to encoding the actual movements of people/animals/nature within the frame instead of the image in general?

Thank you!

Last edited by eth; 30th March 2021 at 15:16.
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