Unable to play MKV Matroska video with exoPlayer 2.11

Question

In my video player when i try to play MKV Matroska file it stay still the video is not playing.

i followed CodeLabs and ExoPlayer Dev and build player it

Answer 1

Try to make MediaSource like this:

private MediaSource buildMediaSource(Uri uri) {
    DataSource.Factory dataSourceFactory =
        new DefaultDataSourceFactory(this, "exoplayer");
    return new ExtractorMediaSource.Factory(dataSourceFactory)
        .createMediaSource(uri);
}