Dear linux-media users,
I have stopped following the advancements in Linux video
(and video hw in general) a while ago, so I am no longer
up to date with the current technologies,
therefore I seek your advice.
I am looking for for a webcam that
- works properly under GNU/Linux (without proprietary drivers)
- connects via USB 2.0
- can capture 720p video at 25 or 30 FPS
- provides a video stream that
- is hardware compressed by the camera
- can be recorded to a file with minimal CPU requirements
(Bonus points if it's wrapped a nice container format,
so that I can simply record it by something like
cat /dev/video0 > capture.mpeg
- like old Hauppauge PVR-250 cards )
- can be decoded by VDPAU hw acceleration
I have tried to look into this, and it seems that the status for H264
streams for UVC webcams is still problematic.
However, I don't specifically need neither UVC nor H264; any driver,
and any other VDPAU-supported format (like MPEG-2, VC-1, WMV9, etc)
could be OK.
I am not interested in sykpe; I only want to capture the 720p video stream
to files (with as low CPU usage as possible), and play it back
using mplayer, on NVidia cards supporting VDPAU hw acceleration
- again, with as low CPU usage, as possible.
Could someone please recommend me a device that can do this?
(Or tell me which device will likely get the required support soon?
Thank you for your help:
Kristof Csillag
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