Flutter offers a plugin called "video_player" that you can use to play and control videos. It supports a wide range of formats, including MP4, WebM, AVI, and more.
In addition, Flutter offers a plugin called "audio players" that can be used to play and control audio. It supports a wide range of formats, including MP3, WAV, AAC, etc.
Finally, Flutter also offers a plugin called "FFmpeg" that can be used to edit video and audio files.
Therefore, you can use these plugins to develop an audio and video editing software.