Video compression on android using new MediaCodec Library

Question

In my app I\'m trying to upload some videos that the user picked from gallery. The problem is that usually the android video files are too big to upload and so- we want to c

Answer 1

The output of MediaCodec is a raw elementary stream. You need to package it up into a video file format (possibly muxing the audio back in) before many players will recognize it. FWIW, I've found that the GStreamer-based Totem Movie Player for Linux will play "raw" video/avc files.

Update: The way to convert H.264 to .mp4 on Android is with the MediaMuxer class, introduced in Android 4.3 (API 18). There are a couple of examples (EncodeAndMuxTest, CameraToMpegTest) that demonstrate its use.