I've been using OBS to record a 3Mbps sports video stream (in Chrome) on an old laptop. It works fine but I'm still interested in other, hopefully less resource intensive options.
I'm a novice at this and not sure what specs I need to provide so here's....a ton of them -
Processor - Intel Pentium Dual Core 2020M 2.40 Ghz (full spec sheet)
GPU - Onboard Intel HD Graphics (Shared system memory)
RAM - 6 GB DDR3 1600
Operating System - Windows 8.1
Current OBS Video/Output Settings
Original Resolution - 1280 x 720
Output Resolution - 960 x 540 (I'm downscaling because 720p maxed out CPU)
Format - MP4
Encoder - x264
Rate Control - CBR
Bitrate - 1920 Kbps
Frames Per Second - 30.00
CPU Preset - Veryfast
Profile - Baseline
Tune - None
Process Priority - Normal
Renderer - Direct3D 11
Color Format - NV12
Color Space - 601
Color Range - Partial
Sources - Enable Browser Source Hardware Acceleration
With this setup the load on the CPU stays right around 50% and RAM around 30% but, as mentioned, I'd like to use less and still get decent quality results.
I'm fine with free or paid ( under $100) options. If you have a suggestion I'd love to hear it. Any suggestions on what settings I can tweak for quality/resource balance would be a bonus.
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1. Is the laptop using a ssd drive?
If you increase the bitrare/resolution/etc, and the hdd isn't fast enough to handle the data rate, it'll max out.
2. Mp4 is very cpu intensive to encode without an Intel cpu that has Quicksync (typically all i3-i9 cpus after the second generation.)
Lighter formats like mpeg-2 can help lighten the load on her cpu during recording. You'd have to encode to mp4 afterwards.
You shouldn't... unless you don't care about quality.
youtube-dl to grab and store the stream directly.
This post may help you get some ideas on in what case such situations may occur...
You can try BBflashback. That program has been around since forever and worked on much older hardware. Says minimum requirements are lower than OBS studio's. Prettty sure the configuration is a lot more limited though. Might even only output to more ancient formats like .avi and .wmv.
Actually, I think taking screen recording can consume lots of source of the computer. I think upgrading your PC is a better choice. Or you may try some light-weight ones.
I also recommend you upgrade your laptop or buy a new laptop, there are a lot of budget laptops nowadays and I'm sure you can buy a cheap one and can perform more than enough with your task...