星期二, 3月 23, 2021

time zone

  1. timedatectl set-timezone "Asia/Taipei"
  2.  tzdate  (text GUI)

ESP 32 dev

 


Install ESP-IDF v4.2

https://docs.espressif.com/projects/esp-idf/zh_CN/latest/esp32s2/get-started/windows-setup.html


Air Kiss Related:

  1. Air Kiss技术实现方案(0.5)
  2. WeChatAirKiss Android客户端
  3. AirKissDemo
    1. 声明: 目前AirKiss协议已经发展到3.0版本(详见微信硬件平台),此版本应该还是基于最初的设计实现,仅供学习研究使用,不建议作为商业产品

FauxmoESP:

星期五, 3月 19, 2021

SARA-R4

 

Term:

  1. mmcli 
  2. ModemManager
  3. NetworkManager
  4. SARA-R4

Reference:

  1. https://techship.com/faq/how-to-guide-control-and-set-up-a-data-connection-in-linux-using-modemmanager-as-connection-manager/
  2. https://askubuntu.com/questions/1118595/how-to-establish-ip-connection-for-wwan-on-18-04


星期五, 3月 12, 2021

MP4 muxing

 


Muxing

 

  1. https://github.com/FFmpeg/FFmpeg/blob/master/doc/examples/muxing.c
  2. lieff/minimp4

 


Demuxing

https://github.com/Akaaba/libmp4


ISO 14496-1 Media Format

https://xhelmboyx.tripod.com/formats/mp4-layout.txt