cross compiling win ffmpeg binary, including non-free libraries (like libfdk_aac):
git clone https://github.com/rdp/ffmpeg-windows-build-helpers.git
cd ffmpeg-windows-build-helpers
sudo apt-get install subversion curl texinfo g++ bison flex cvs yasm automake libtool autoconf gcc cmake git make pkg-config zlib1g-dev mercurial unzip pax nasm gperf autogen bzip2 libtool-bin ed -y
./cross_compile_ffmpeg.sh
direct esp communication (without internet). if internet connection is needed two options:
1) receive/connect/restart
2) two esp-s (one esp-now, one connected internet), serial communiaction between
https://github.com/SensorsIot/ESP-Now-Tests
https://github.com/HarringayMakerSpace/ESP-Now
https://www.espressif.com/en/products/software/esp-now/resources
esp8266 port:
https://github.com/jshaw/NewPingESP8266