Cannot use h246_nvec to record videos #1844
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Did you read the guide?
Yes
What is the base version number of Motion being used?
4.7.x
What was the install method?
Installed via package tool
What is base architecture?
x86
What is the distro being used?
Ubuntu
Disto version number
24.04
Camera type(s) being used?
Network camera with RTSP
Describe the issue/problem and steps to reproduce
The ultrafast and zerolatancy parameters are not supported by the Nvidia nvenc codec.
I forked the repo to hack on the code myself.
My work is here:
https://github.com/mattlazarowitz/motion/tree/master
See ffmpeg.c and ffmpeg.h
I changed some of the structure of the code in function ffmpeg_set_quality() because there didn't seem to be one set of parameters that would work for every h.264 codec. I left structure in there to try and insert parameters for Intel QSV but I ran into issues simply getting ffmpeg to use that codec and a lot of info about it is out of date. But I would like to see NVENC work with Motion as I'm getting good results so far with an ov5647 connected to a Raspberry Pi Zero W2 streaming 1280x960@30fps. The quality I'm getting with MotionEye set to 50% has been 'good enough' with the other parameters in my fork.
Please have someone familiar with the ffmpeg.c code take a look and see if what I have done is acceptable of if they would like to use it to create a fix more in line with the coding standards of the project.
Motion log output at log_level 8
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