SimpleExoPlayer to play a video in Java

Send video from python use Fastapi

@app.get("/video")
async def video_endpoint(range: str = Header(None),path:str=None):
    video_path = Path(path)
    if range==None:
        range = "bytes=0-"
    start, end = range.replace("bytes=", "").split("-")
    start = int(start)
    end = int(end) if end else start + CHUNK_SIZE
    print(range)
    with open(video_path, "rb") as video:
        video.seek(start)
        data = video.read(end - start)
        filesize = str(video_path.stat().st_size)
        headers = {
            "content-type": "video/mp4",
            "content-encoding": "identity",
            'Content-Range': f'bytes {str(start)}-{str(end)}/{filesize}',
            'Accept-Ranges': 'bytes',
            "content-length"  : str(filesize),
            "access-control-expose-headers": (
            "content-type, accept-ranges, content-length, "
            "content-range, content-encoding"
        ),
        }
        return Response(data, status_code=206, headers=headers, media_type="video/mp4")

 Here is an example of how to use SimpleExoPlayer to play a video in Java:

1. First, you'll need to add the ExoPlayer library to your project. You can do this by adding the following dependency to your app's build.gradle file:

groovy
implementation 'com.google.android.exoplayer:exoplayer:2.16.1'

2. Next, create a layout file for your video player. Here's an example:

xml
<com.google.android.exoplayer2.ui.PlayerView
    android:id="@+id/video_player_view"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

3. In your activity or fragment, initialize the player:

java
import com.google.android.exoplayer2.SimpleExoPlayer;
import com.google.android.exoplayer2.source.MediaSource;
import com.google.android.exoplayer2.source.ProgressiveMediaSource;
import com.google.android.exoplayer2.ui.PlayerView;
import com.google.android.exoplayer2.upstream.DefaultDataSourceFactory;
private SimpleExoPlayer player;
private void initializePlayer() {
    // Create a SimpleExoPlayer instance
    player = new SimpleExoPlayer.Builder(this).build();

    // Bind the player to the view
    PlayerView playerView = findViewById(R.id.video_player_view);
    playerView.setPlayer(player);

    // Create a MediaSource representing the media to be played
    MediaSource mediaSource = new ProgressiveMediaSource.Factory(
            new DefaultDataSourceFactory(this, "exoplayer-example")
    ).createMediaSource(Uri.parse("http://192.168.100.27:8000/video?path=Recordings/file,63,start_recording.mp4"));

    // Prepare the player with the source
    player.setMediaSource(mediaSource);
    player.prepare();
}

4. When the activity or fragment is started, call initializePlayer() to start playing the video:

java
@Override
protected void onStart() {
    super.onStart();
    initializePlayer();
}

5. When the activity or fragment is stopped, release the player:

java
@Override
protected void onStop() {
    super.onStop();
    releasePlayer();
}
private void releasePlayer() {
    player.release();
}

That's it! With these steps, you should now be able to play a video using SimpleExoPlayer in Java.