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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.tv.tuner.tvinput;
import android.app.job.JobInfo;
import android.app.job.JobScheduler;
import android.content.ComponentName;
import android.content.Context;
import android.media.tv.TvInputService;
import android.util.Log;
import com.android.tv.common.feature.CommonFeatures;
import com.google.android.exoplayer.audio.AudioCapabilities;
import com.google.android.exoplayer.audio.AudioCapabilitiesReceiver;
import java.util.Collections;
import java.util.Set;
import java.util.WeakHashMap;
import java.util.concurrent.TimeUnit;
/** {@link BaseTunerTvInputService} serves TV channels coming from a tuner device. */
public class BaseTunerTvInputService extends TvInputService
implements AudioCapabilitiesReceiver.Listener {
private static final String TAG = "BaseTunerTvInputService";
private static final boolean DEBUG = false;
private static final int DVR_STORAGE_CLEANUP_JOB_ID = 100;
// WeakContainer for {@link TvInputSessionImpl}
private final Set<TunerSession> mTunerSessions = Collections.newSetFromMap(new WeakHashMap<>());
private ChannelDataManager mChannelDataManager;
private AudioCapabilitiesReceiver mAudioCapabilitiesReceiver;
private AudioCapabilities mAudioCapabilities;
@Override
public void onCreate() {
if (getApplicationContext().getSystemService(Context.TV_INPUT_SERVICE) == null) {
Log.wtf(TAG, "Stopping because device does not have a TvInputManager");
this.stopSelf();
return;
}
super.onCreate();
if (DEBUG) Log.d(TAG, "onCreate");
mChannelDataManager = new ChannelDataManager(getApplicationContext());
mAudioCapabilitiesReceiver = new AudioCapabilitiesReceiver(getApplicationContext(), this);
mAudioCapabilitiesReceiver.register();
if (CommonFeatures.DVR.isEnabled(this)) {
JobScheduler jobScheduler =
(JobScheduler) getSystemService(Context.JOB_SCHEDULER_SERVICE);
JobInfo pendingJob = jobScheduler.getPendingJob(DVR_STORAGE_CLEANUP_JOB_ID);
if (pendingJob != null) {
// storage cleaning job is already scheduled.
} else {
JobInfo job =
new JobInfo.Builder(
DVR_STORAGE_CLEANUP_JOB_ID,
new ComponentName(this, TunerStorageCleanUpService.class))
.setPersisted(true)
.setPeriodic(TimeUnit.DAYS.toMillis(1))
.build();
jobScheduler.schedule(job);
}
}
}
@Override
public void onDestroy() {
if (DEBUG) Log.d(TAG, "onDestroy");
super.onDestroy();
mChannelDataManager.release();
mAudioCapabilitiesReceiver.unregister();
}
@Override
public RecordingSession onCreateRecordingSession(String inputId) {
return new TunerRecordingSession(this, inputId, mChannelDataManager);
}
@Override
public Session onCreateSession(String inputId) {
if (DEBUG) Log.d(TAG, "onCreateSession");
try {
// TODO(b/65445352): Support multiple TunerSessions for multiple tuners
if (!allSessionsReleased()) {
Log.d(TAG, "abort creating an session");
return null;
}
final TunerSession session = new TunerSession(this, mChannelDataManager);
mTunerSessions.add(session);
session.setAudioCapabilities(mAudioCapabilities);
session.setOverlayViewEnabled(true);
return session;
} catch (RuntimeException e) {
// There are no available DVB devices.
Log.e(TAG, "Creating a session for " + inputId + " failed.", e);
return null;
}
}
@Override
public void onAudioCapabilitiesChanged(AudioCapabilities audioCapabilities) {
mAudioCapabilities = audioCapabilities;
for (TunerSession session : mTunerSessions) {
if (!session.isReleased()) {
session.setAudioCapabilities(audioCapabilities);
}
}
}
private boolean allSessionsReleased() {
for (TunerSession session : mTunerSessions) {
if (!session.isReleased()) {
return false;
}
}
return true;
}
}
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