我使用ExoPlayer作为播放器为HLS实时流制作了一个Android TV应用。在Android设备上对其进行测试时，播放器可以完美地运行该流，但是当我在实际的电视上（在android机器上运行）对其进行测试时，该视频无法播放，该流仍为空白。我在做什么错了？
public class PlayerActivity extends Activity implements VideoRendererEventListener {
String url;
private static final String TAG = "Twende Live";
private PlayerView simpleExoPlayerView;
private SimpleExoPlayer player;
private TextView resolutionTextView;
private Stream mSelectedMovie;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_player);
//url = getIntent().getStringExtra("STREAM_URL");
TrustManager[] trustAllCerts= new TrustManager[] { new X509TrustManager() {
public X509Certificate[] getAcceptedIssuers() {
return new X509Certificate[]{};
}
public void checkClientTrusted(X509Certificate[] chain,
String authType) throws CertificateException {
}
public void checkServerTrusted(X509Certificate[] chain,
String authType) throws CertificateException {
}
} };
try {
ProviderInstaller.installIfNeeded(getApplicationContext());
SSLContext sslContext;
sslContext = SSLContext.getInstance("TLS");
sslContext.init(null, trustAllCerts, new SecureRandom());
HttpsURLConnection.setDefaultSSLSocketFactory(sslContext.getSocketFactory());
sslContext.createSSLEngine();
// Create all-trusting host name verifier
HostnameVerifier allHostsValid = new HostnameVerifier() {
public boolean verify(String hostname, SSLSession session) {
return true;
}
};
HttpsURLConnection.setDefaultHostnameVerifier(allHostsValid);
} catch (GooglePlayServicesRepairableException | GooglePlayServicesNotAvailableException
| NoSuchAlgorithmException | KeyManagementException e) {
e.printStackTrace();
}
mSelectedMovie = getIntent().getParcelableExtra(DetailsActivity.MOVIE);
Uri mp4VideoUri =Uri.parse(mSelectedMovie.videoUrl);
DefaultBandwidthMeter bandwidthMeter = new DefaultBandwidthMeter(); //test
TrackSelection.Factory videoTrackSelectionFactory = new AdaptiveTrackSelection.Factory(bandwidthMeter);
TrackSelector trackSelector =
new DefaultTrackSelector(videoTrackSelectionFactory);
//create player
player = ExoPlayerFactory.newSimpleInstance(this, trackSelector);
simpleExoPlayerView = new SimpleExoPlayerView(this);
simpleExoPlayerView = (SimpleExoPlayerView) findViewById(R.id.player_view);
int h = simpleExoPlayerView.getResources().getConfiguration().screenHeightDp;
int w = simpleExoPlayerView.getResources().getConfiguration().screenWidthDp;
Log.v(TAG, "height : " + h + " weight: " + w);
////Set media controller
simpleExoPlayerView.setUseController(false);//set to true or false to see controllers
simpleExoPlayerView.setResizeMode(AspectRatioFrameLayout.RESIZE_MODE_FILL);
simpleExoPlayerView.requestFocus();
// Bind the player to the view.
simpleExoPlayerView.setPlayer(player);
DataSource.Factory dataSourceFactory = new DefaultDataSourceFactory(this, Util.getUserAgent(this, "Twende"), bandwidthMeter);
MediaSource videoSource = new HlsMediaSource(mp4VideoUri, dataSourceFactory, 1, null, null);
final LoopingMediaSource loopingSource = new LoopingMediaSource(videoSource);
// Prepare the player with the source.
player.prepare(videoSource);
player.addListener(new ExoPlayer.EventListener() {
@Override
public void onTimelineChanged(Timeline timeline, Object manifest, int reason) {
}
@Override
public void onTracksChanged(TrackGroupArray trackGroups, TrackSelectionArray trackSelections) {
Log.v(TAG, "Listener-onTracksChanged... ");
}
@Override
public void onLoadingChanged(boolean isLoading) {
}
@Override
public void onPlayerStateChanged(boolean playWhenReady, int playbackState) {
Log.v(TAG, "Listener-onPlayerStateChanged..." + playbackState+"|||isDrawingCacheEnabled():"+simpleExoPlayerView.isDrawingCacheEnabled());
}
@Override
public void onRepeatModeChanged(int repeatMode) {
}
@Override
public void onShuffleModeEnabledChanged(boolean shuffleModeEnabled) {
}
@Override
public void onPlayerError(ExoPlaybackException error) {
Log.v(TAG, "Listener-onPlayerError...");
player.stop();
player.prepare(loopingSource);
player.setPlayWhenReady(true);
}
@Override
public void onPositionDiscontinuity(int reason) {
}
@Override
public void onPlaybackParametersChanged(PlaybackParameters playbackParameters) {
}
@Override
public void onSeekProcessed() {
}
});
player.setPlayWhenReady(true); //run file/link when ready to play.
player.setVideoDebugListener(this);
}
@Override
public void onVideoEnabled(DecoderCounters counters) {
}
@Override
public void onVideoDecoderInitialized(String decoderName, long initializedTimestampMs, long initializationDurationMs) {
}
@Override
public void onVideoInputFormatChanged(Format format) {
}
@Override
public void onDroppedFrames(int count, long elapsedMs) {
}
@Override
public void onVideoSizeChanged(int width, int height, int unappliedRotationDegrees, float pixelWidthHeightRatio) {
Log.v(TAG, "onVideoSizeChanged [" + " width: " + width + " height: " + height + "]");
//resolutionTextView.setText("RES:(WxH):" + width + "X" + height + "\n " + height + "p");//shows video info
}
@Override
public void onRenderedFirstFrame(Surface surface) {
}
@Override
public void onVideoDisabled(DecoderCounters counters) {
}
//-------------------------------------------------------ANDROID LIFECYCLE---------------------------------------------------------------------------------------------
@Override
protected void onStop() {
super.onStop();
Log.v(TAG, "onStop()...");
}
@Override
protected void onStart() {
super.onStart();
Log.v(TAG, "onStart()...");
}
@Override
protected void onResume() {
super.onResume();
Log.v(TAG, "onResume()...");
}
@Override
protected void onPause() {
super.onPause();
Log.v(TAG, "onPause()...");
}
@Override
protected void onDestroy() {
super.onDestroy();
Log.v(TAG, "onDestroy()...");
player.release();
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
// Checking the orientation of the screen
if (newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE) {
//First Hide other objects (listview or recyclerview), better hide them using Gone.
FrameLayout.LayoutParams params = (FrameLayout.LayoutParams) simpleExoPlayerView.getLayoutParams();
params.width=1280;
params.height=720;
}
}