FFMPEG CHEAT CODE

FFMPEG

https://solusi.cyou/read-https-qastack.id/ubuntu/365163/how-to-minimize-usage-of-cpu-memory-by-ffmpeg-when-recording-video

https://gist.github.com/44213/f1e1a04646bf909ba07e9f6a888db11c

https://www.rickmakes.com/running-ffmpeg-as-a-background-process/


ffmpeg -i source.dav -s 1280X720 -c:v libx265 -crf 23 -preset fast -threads 1 dest.mp4 

ffmpeg -i B.source.dav -s 1280X720 -c:v libx264 -crf 26 -preset faster -vf format=yuv420p -threads 2 dest.mp4

BEST NVDIA GFORCE (200mb to 29mb) -> ffmpeg -i input.dav -c:v h264_nvenc -cq:v 29 -y -vf scale=1280:720 output.mp4


 ffmpeg -nostdin -hide_banner -nostats -loglevel panic -hwaccel cuda -hwaccel_output_format cuda -i input.dav -vf scale_cuda=1280:720 -c:v h264_nvenc -cq:v 29 output.mp4
 
 
2 tb = 20 hari = 16 ch
4 tb = 40 hari
6 tb = 60 hari
8 tb = 80 hari
10 tb = 100 hari
12 tb = 120 hari


get file code -> ffprobe -v error -select_streams 'v:0' -show_entries stream=codec_name -of default=nokey=1:noprint_wrappers=1 destAb.mp4
     

*) note:  

1. https://en.wikipedia.org/wiki/Nvidia_NVDEC

2. https://www.videoproc.com/resource/ffmpeg-commands.htm

Nvidia NVDEC / NVCUVID

preset ->
https://write.corbpie.com/ffmpeg-h265-preset-crf-comparison-2020-pt1/