MediaPlayerController.java

package com.machipopo.swag.utils;

import android.content.Context;
import android.net.Uri;
import android.os.Handler;

import com.google.android.exoplayer2.ExoPlayerFactory;
import com.google.android.exoplayer2.Player;
import com.google.android.exoplayer2.SimpleExoPlayer;
import com.google.android.exoplayer2.source.MediaSource;
import com.google.android.exoplayer2.source.dash.DashMediaSource;
import com.google.android.exoplayer2.source.dash.DefaultDashChunkSource;
import com.google.android.exoplayer2.trackselection.DefaultTrackSelector;
import com.google.android.exoplayer2.trackselection.FixedTrackSelection;
import com.google.android.exoplayer2.upstream.HttpDataSource;
import com.machipopo.swag.GlobalContext;
import com.machipopo.swag.Injection;
import com.machipopo.swag.data.api.ApiHelper;

import okhttp3.OkHttpClient;

/**
 * Created by dannylin on 2017/12/23.
 */

public class MediaPlayerController {

	private Context mContext;
	private Handler mMainHandler;

	private SimpleExoPlayer mPlayer;


	//	private DataSource.Factory mManifestDataSourceFactory;
//	private DataSource.Factory mChunkDataSourceFactory;
	private DefaultTrackSelector mTrackSelector;
	private PlayerEventLogger mEventLogger;
	private Player.EventListener mPlayerListener;
	private final OkHttpClient mHttpClient;
	private boolean mStartPlay = false;
	private HttpDataSource.Factory mDataSource;

	public MediaPlayerController(Context context) {
		mContext = context;
		mMainHandler = new Handler();
		mTrackSelector = new DefaultTrackSelector(
				new FixedTrackSelection.Factory());
		mHttpClient = GlobalContext.getPlayerHttpClientInstance(context);

		mDataSource = MediaUtils.buildHttpDataSourceFactory(
				mHttpClient,
				ApiHelper.getUserAgent(mContext),
				Injection.provideRepository(mContext).getJwt(),
				MediaUtils.BANDWIDTH_METER);
		mEventLogger = new PlayerEventLogger(mTrackSelector);
		mPlayer = ExoPlayerFactory.newSimpleInstance(context, mTrackSelector);

		mPlayer.setPlayWhenReady(false);
		mPlayer.setRepeatMode(Player.REPEAT_MODE_ALL);
		if (((GlobalContext)context.getApplicationContext()).isDebugMode())
			mPlayer.addListener(mEventLogger);
	}

	public void preparePlayer(String jwt, String dashUrl) {
		HttpDataSource.Factory sourceFactory = MediaUtils.buildHttpDataSourceFactory(
				mHttpClient,
				ApiHelper.getUserAgent(mContext),
				jwt,
				MediaUtils.BANDWIDTH_METER);
		MediaSource videoSource = new DashMediaSource(Uri.parse(dashUrl), mDataSource,
				new DefaultDashChunkSource.Factory(sourceFactory),
				mMainHandler,
				null);
		mPlayer.prepare(videoSource);
	}

	public void release() {
		if (mPlayer != null) {
			removePlayerListener();
			mPlayer.clearVideoSurface();
			mPlayer.release();
			mPlayer = null;
		}

		mTrackSelector = null;
	}
}