| /* |
| * Copyright 2021 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.google.android.exoplayer2.text; |
| |
| import android.os.Bundle; |
| import android.os.Parcel; |
| import com.google.android.exoplayer2.util.Assertions; |
| import com.google.android.exoplayer2.util.BundleableUtil; |
| import com.google.common.collect.ImmutableList; |
| import java.util.ArrayList; |
| |
| /** Decodes data encoded by {@link CueEncoder}. */ |
| public final class CueDecoder { |
| |
| // key under which list of cues is saved in the bundle |
| static final String BUNDLED_CUES = "c"; |
| |
| /** |
| * Decodes byte array into list of {@link Cue} objects. |
| * |
| * @param bytes byte array produced by {@link CueEncoder} |
| * @return decoded list of {@link Cue} objects. |
| */ |
| public ImmutableList<Cue> decode(byte[] bytes) { |
| Parcel parcel = Parcel.obtain(); |
| parcel.unmarshall(bytes, 0, bytes.length); |
| parcel.setDataPosition(0); |
| Bundle bundle = parcel.readBundle(Bundle.class.getClassLoader()); |
| parcel.recycle(); |
| ArrayList<Bundle> bundledCues = |
| Assertions.checkNotNull(bundle.getParcelableArrayList(BUNDLED_CUES)); |
| |
| return BundleableUtil.fromBundleList(Cue.CREATOR, bundledCues); |
| } |
| } |