| /* |
| * Copyright (C) 2017 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.extractor.mp4; |
| |
| import static com.google.android.exoplayer2.C.WIDEVINE_UUID; |
| import static com.google.android.exoplayer2.extractor.mp4.Atom.TYPE_pssh; |
| import static com.google.android.exoplayer2.extractor.mp4.Atom.parseFullAtomFlags; |
| import static com.google.android.exoplayer2.extractor.mp4.Atom.parseFullAtomVersion; |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import androidx.test.ext.junit.runners.AndroidJUnit4; |
| import com.google.android.exoplayer2.C; |
| import com.google.android.exoplayer2.util.ParsableByteArray; |
| import java.util.UUID; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| /** Tests for {@link PsshAtomUtil}. */ |
| @RunWith(AndroidJUnit4.class) |
| public final class PsshAtomUtilTest { |
| |
| @Test |
| public void buildPsshAtom() { |
| byte[] schemeData = new byte[]{0, 1, 2, 3, 4, 5}; |
| byte[] psshAtom = PsshAtomUtil.buildPsshAtom(C.WIDEVINE_UUID, schemeData); |
| // Read the PSSH atom back and assert its content is as expected. |
| ParsableByteArray parsablePsshAtom = new ParsableByteArray(psshAtom); |
| assertThat(parsablePsshAtom.readUnsignedIntToInt()).isEqualTo(psshAtom.length); // length |
| assertThat(parsablePsshAtom.readInt()).isEqualTo(TYPE_pssh); // type |
| int fullAtomInt = parsablePsshAtom.readInt(); // version + flags |
| assertThat(parseFullAtomVersion(fullAtomInt)).isEqualTo(0); |
| assertThat(parseFullAtomFlags(fullAtomInt)).isEqualTo(0); |
| UUID systemId = new UUID(parsablePsshAtom.readLong(), parsablePsshAtom.readLong()); |
| assertThat(systemId).isEqualTo(WIDEVINE_UUID); |
| assertThat(parsablePsshAtom.readUnsignedIntToInt()).isEqualTo(schemeData.length); |
| byte[] psshSchemeData = new byte[schemeData.length]; |
| parsablePsshAtom.readBytes(psshSchemeData, 0, schemeData.length); |
| assertThat(psshSchemeData).isEqualTo(schemeData); |
| } |
| |
| } |