如何从无人机摄像头流中获取位图数据。android应用程序

import android.graphics.Bitmap;
import android.graphics.SurfaceTexture;
import android.media.MediaCodec;
import android.media.MediaFormat;
import android.view.Surface;
import com.google.android.exoplayer2.ExoPlayer;
import com.google.android.exoplayer2.ExoPlayerFactory;
import com.google.android.exoplayer2.source.MediaSource;
import com.google.android.exoplayer2.upstream.DataSource;
import com.google.android.exoplayer2.upstream.DefaultDataSourceFactory;
import com.google.android.exoplayer2.util.Util;

public class DroneVideoActivity extends AppCompatActivity {
    private ExoPlayer player;
    private Surface surface;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_drone_video);

        surface = new Surface(new SurfaceTexture(0));
        player = ExoPlayerFactory.newSimpleInstance(this);

        String videoUrl = "rtsp://your_drone_camera_stream_url";
        MediaSource mediaSource = new ProgressiveMediaSource.Factory(
                new DefaultDataSourceFactory(this, Util.getUserAgent(this, "your_app_name"))
        ).createMediaSource(Uri.parse(videoUrl));

        player.prepare(mediaSource);
        player.setVideoSurface(surface);
        player.play();
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        if (player != null) {
            player.release();
            player = null;
        }
    }
}