protected override void OnTaskStateChanged(TaskState taskState)
{
if (taskState.Action.IsRemoveAction)
{
return;
}
Notification notification = null;
byte[] bytes = new byte[taskState.Action.Data.Count];
taskState.Action.Data.CopyTo(bytes, 0);
if (taskState.State == TaskState.StateCompleted)
{
notification =
DownloadNotificationUtil.BuildDownloadCompletedNotification(
/* context= */ this,
Resource.Drawable.exo_controls_play,
CHANNEL_ID,
/* contentIntent= */ null,
Utils.FromUtf8Bytes(bytes));
}
else if (taskState.State == TaskState.StateFailed)
{
notification =
DownloadNotificationUtil.BuildDownloadFailedNotification(
/* context= */ this,
Resource.Drawable.exo_controls_play,
CHANNEL_ID,
/* contentIntent= */ null,
Utils.FromUtf8Bytes(bytes));
}
int notificationId = FOREGROUND_NOTIFICATION_ID + 1 + taskState.TaskId;
NotificationUtil.SetNotification(this, notificationId, notification);
}
private SampleGroup getGroup(string groupName, List <SampleGroup> groups)
{
for (int i = 0; i < groups.Count; i++)
{
if (Utils.AreEqual(groupName, groups[i].title))
{
return(groups[i]);
}
}
SampleGroup group = new SampleGroup(groupName);
groups.Add(group);
return(group);
}
private IMediaSource BuildMediaSource(android.Net.Uri uri, string overrideExtension)
{
int type = Utils.InferContentType(uri, overrideExtension);
IMediaSource src = null;
switch (type)
{
case C.TypeDash:
src = new DashMediaSource.Factory(new DefaultDashChunkSource.Factory(mediaDataSourceFactory), BuildDataSourceFactory(false))
.SetManifestParser(new FilteringManifestParser(new DashManifestParser(), GetOfflineStreamKeys(uri)))
.CreateMediaSource(uri);
break;
case C.TypeSs:
src = new SsMediaSource.Factory(new DefaultSsChunkSource.Factory(mediaDataSourceFactory), BuildDataSourceFactory(false))
.SetManifestParser(new FilteringManifestParser(new SsManifestParser(), GetOfflineStreamKeys(uri)))
.CreateMediaSource(uri);
break;
case C.TypeHls:
src = new HlsMediaSource.Factory(mediaDataSourceFactory)
.SetPlaylistParserFactory(new FilteringManifestParser(new HlsPlaylistParser(), GetOfflineStreamKeys(uri)))
.CreateMediaSource(uri);
break;
case C.TypeOther:
src = new ExtractorMediaSource.Factory(mediaDataSourceFactory).CreateMediaSource(uri);
break;
default:
throw new IllegalStateException("Unsupported type: " + type);
}
//Todo: implement IAnalyticsListener
src.AddEventListener(mainHandler, eventLogger);
return(src);
}
protected override List <SampleGroup> RunInBackground(params string[] uris)
{
List <SampleGroup> result = new List <SampleGroup>();
Context context = activity.ApplicationContext;
string userAgent = Utils.GetUserAgent(context, "ExoPlayerDemo");
IDataSource dataSource = new DefaultDataSource(context, null, userAgent, false);
foreach (string uri in uris)
{
DataSpec dataSpec = new DataSpec(android.Net.Uri.Parse(uri));
var inputStream = new DataSourceInputStream(dataSource, dataSpec);
var memory = new MemoryStream();
var buffer = new byte[1024];
int read;
while ((read = inputStream.Read(buffer)) > 0)
{
memory.Write(buffer, 0, read);
}
memory.Seek(0, SeekOrigin.Begin);
try
{
ReadSampleGroups(new JsonReader(new InputStreamReader(memory, "UTF-8")), result);
}
catch (Exception e)
{
Log.Error(TAG, "Error loading sample list: " + uri, e);
sawError = true;
}
finally
{
Utils.CloseQuietly(dataSource);
}
}
return(result);
}
// Internal methods
private void InitializePlayer()
{
if (player == null)
{
Intent intent = Intent;
string action = intent.Action;
android.Net.Uri[] uris;
string[] extensions;
if (ACTION_VIEW.Equals(action))
{
uris = new android.Net.Uri[] { intent.Data };
extensions = new string[] { intent.GetStringExtra(EXTENSION_EXTRA) };
}
else if (ACTION_VIEW_LIST.Equals(action))
{
string[] uristrings = intent.GetStringArrayExtra(URI_LIST_EXTRA);
uris = new android.Net.Uri[uristrings.Length];
for (int i = 0; i < uristrings.Length; i++)
{
uris[i] = android.Net.Uri.Parse(uristrings[i]);
}
extensions = intent.GetStringArrayExtra(EXTENSION_LIST_EXTRA);
if (extensions == null)
{
extensions = new string[uristrings.Length];
}
}
else
{
ShowToast(GetString(Resource.String.unexpected_intent_action, action));
Finish();
return;
}
if (Utils.MaybeRequestReadExternalStoragePermission(this, uris))
{
// The player will be reinitialized if the permission is granted.
return;
}
DefaultDrmSessionManager drmSessionManager = null;
if (intent.HasExtra(DRM_SCHEME_EXTRA) || intent.HasExtra(DRM_SCHEME_UUID_EXTRA))
{
string drmLicenseUrl = intent.GetStringExtra(DRM_LICENSE_URL_EXTRA);
string[] keyRequestPropertiesArray =
intent.GetStringArrayExtra(DRM_KEY_REQUEST_PROPERTIES_EXTRA);
bool multiSession = intent.GetBooleanExtra(DRM_MULTI_SESSION_EXTRA, false);
int errorstringId = Resource.String.error_drm_unknown;
if (Utils.SdkInt < 18)
{
errorstringId = Resource.String.error_drm_not_supported;
}
else
{
try
{
string drmSchemeExtra = intent.HasExtra(DRM_SCHEME_EXTRA) ? DRM_SCHEME_EXTRA
: DRM_SCHEME_UUID_EXTRA;
UUID drmSchemeUuid = Utils.GetDrmUuid(intent.GetStringExtra(drmSchemeExtra));
if (drmSchemeUuid == null)
{
errorstringId = Resource.String.error_drm_unsupported_scheme;
}
else
{
drmSessionManager =
BuildDrmSessionManagerV18(
drmSchemeUuid, drmLicenseUrl, keyRequestPropertiesArray, multiSession);
}
}
catch (UnsupportedDrmException e)
{
errorstringId = e.Reason == UnsupportedDrmException.ReasonUnsupportedScheme
? Resource.String.error_drm_unsupported_scheme : Resource.String.error_drm_unknown;
}
}
if (drmSessionManager == null)
{
ShowToast(errorstringId);
Finish();
return;
}
}
ITrackSelectionFactory trackSelectionFactory;
string abrAlgorithm = intent.GetStringExtra(ABR_ALGORITHM_EXTRA);
if (abrAlgorithm == null || ABR_ALGORITHM_DEFAULT.Equals(abrAlgorithm))
{
trackSelectionFactory = new AdaptiveTrackSelection.Factory(BANDWIDTH_METER);
}
else if (ABR_ALGORITHM_RANDOM.Equals(abrAlgorithm))
{
trackSelectionFactory = new RandomTrackSelection.Factory();
}
else
{
ShowToast(Resource.String.error_unrecognized_abr_algorithm);
Finish();
return;
}
bool preferExtensionDecoders =
intent.GetBooleanExtra(PREFER_EXTENSION_DECODERS_EXTRA, false);
int extensionRendererMode =
((DemoApplication)Application).UseExtensionRenderers()
? (preferExtensionDecoders ? DefaultRenderersFactory.ExtensionRendererModePrefer
: DefaultRenderersFactory.ExtensionRendererModeOn)
: DefaultRenderersFactory.ExtensionRendererModeOff;
DefaultRenderersFactory renderersFactory =
new DefaultRenderersFactory(this, extensionRendererMode);
trackSelector = new DefaultTrackSelector(trackSelectionFactory);
trackSelector.SetParameters(trackSelectorParameters);
lastSeenTrackGroupArray = null;
player = ExoPlayerFactory.NewSimpleInstance(renderersFactory, trackSelector, drmSessionManager);
eventLogger = new EventLogger(trackSelector);
player.AddListener(new PlayerEventListener(this));
player.PlayWhenReady = startAutoPlay;
player.AddListener(eventLogger);
// Cannot implement the AnalyticsListener because the binding doesn't work.
//Todo: implement IAnalyticsListener
//player.AddAnalyticsListener(eventLogger);
player.AddAudioDebugListener(eventLogger);
player.AddVideoDebugListener(eventLogger);
player.AddMetadataOutput(eventLogger);
//end Todo
playerView.Player = player;
playerView.SetPlaybackPreparer(this);
debugViewHelper = new DebugTextViewHelper(player, debugTextView);
debugViewHelper.Start();
IMediaSource[] mediaSources = new IMediaSource[uris.Length];
for (int i = 0; i < uris.Length; i++)
{
mediaSources[i] = BuildMediaSource(uris[i], extensions[i]);
}
mediaSource =
mediaSources.Length == 1 ? mediaSources[0] : new ConcatenatingMediaSource(mediaSources);
string adTagUristring = intent.GetStringExtra(AD_TAG_URI_EXTRA);
if (adTagUristring != null)
{
android.Net.Uri adTagUri = android.Net.Uri.Parse(adTagUristring);
if (!adTagUri.Equals(loadedAdTagUri))
{
ReleaseAdsLoader();
loadedAdTagUri = adTagUri;
}
IMediaSource adsMediaSource = CreateAdsMediaSource(mediaSource, android.Net.Uri.Parse(adTagUristring));
if (adsMediaSource != null)
{
mediaSource = adsMediaSource;
}
else
{
ShowToast(Resource.String.ima_not_loaded);
}
}
else
{
ReleaseAdsLoader();
}
}
bool haveStartPosition = startWindow != C.IndexUnset;
if (haveStartPosition)
{
player.SeekTo(startWindow, startPosition);
}
player.Prepare(mediaSource, !haveStartPosition, false);
UpdateButtonVisibilities();
}