Youtube-dl-android is just another java Android library wrapper for youtube-dl executable. Use this library to download videos from youtube-dl supported sites in android apps.
FFmpeg is a powerful multimedia framework which allows us to decode, encode, transcode, stream, filter and play most of the media content available now. With the help of these tools, you can develop and application that can manipulate any form of media to the desired output.
NaraeAudioRecorder is AudioRecorder for Android powered by Kotlin
Media Converter is a robust Android application build on top of FFmpeg with clean UI. As it name, user can convert media file to other encoding format easily with preset commands. The app also can be extended, by allowing user to create their own command.
This project contains static FFmpeg executable binary which compatible with all Android ABIs:
Examples of using FFMpeg library on Android with Kotlin For Video, Audio and Image/GIF operations.
A bunch of scripts you can use to compile FFmpeg with OpenSSL.
This project provides a unified interface for retrieving frame and metadata from an input media file.
A system for building custom ffmpeg binaries for Android.
This project is a Java wrapper around an ffmpeg command line binary for use in Android applications. It depends on the android-ffmpeg project to provide the ffmpeg binary.
This project aims to create working library providing playing video files in android via ffmpeg libraries. With some effort and NDK knowledge you can use this ffmpeg libraries build to convert video files.