av_register_all() deprecated

[AndreiCherniaev]

The tutorial mentions that the call to av_register_all() is required, although it seems it's deprecated since ffmpeg 4.0.

FFmpeg-encode-example/ffmpegEncoder/VideoEncoder.cpp

Line 24 in be7f2a4

av_register_all();

[UnickSoft]

Thanks. I will update my example.