If you happen to have a video with AV1 codec on your elder Android phone, you will fail to play the file. For example, Android phone reads files of AV1 in MP4, MKV format only when you upgrading to Android 10+. While on the other hand, every device has its own set of supported audio and video formats and codecs. That means, the file saved in MKV or MP4 format can be encoded in h.264, HEVC, AV1, WebM, VP9, and more. For instance, MKV and MP4 hold multiple video, audio, subtitle streams. Different container formats can hold different codecs. For example, if you have an HEVC stream of a video, and an AAC stream of an audio, you can put them into a container, such as WMV, AVI, MP4, MOV, etc. Hence, the word container format comes out.

There are loads of video and audio codecs out there, such as HEVC, H.264, AV1, DivX, MPEG2, MPEG4, AAC, AC3, etc.Ībout the container: For some reasons, the video and audio streams need to be put together.

This is where the word codec comes in, which refers to the compression standard for how an audio or video stream is compressed. To save space or make it transferable, they gets compressed by proper compression standard and then decompressed on the fly by video player. Speaking of the video file, you need to know how the video file works and what a codec is?Ībout the codec: As you know, video and audio take up massive amounts of space in the raw form. That's why you end up with nothing but get prompted with the unsupported video codec error. What does it mean when it says video codec not supported? Explanatorily, it means the codec of your video is not supported by the media player. Way 3: Change to a Supported Video Format.3 Feasible Ways to Fix Audio or Video Codec Unsupported Error

Android video codec