mirror of https://github.com/NekoX-Dev/NekoX.git
147 lines
3.8 KiB
Java
147 lines
3.8 KiB
Java
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.android.exoplayer2.drm;
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import android.media.MediaDrmException;
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import android.os.PersistableBundle;
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import androidx.annotation.Nullable;
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import androidx.annotation.RequiresApi;
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import com.google.android.exoplayer2.util.Util;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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/** An {@link ExoMediaDrm} that does not support any protection schemes. */
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@RequiresApi(18)
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public final class DummyExoMediaDrm<T extends ExoMediaCrypto> implements ExoMediaDrm<T> {
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/** Returns a new instance. */
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@SuppressWarnings("unchecked")
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public static <T extends ExoMediaCrypto> DummyExoMediaDrm<T> getInstance() {
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return (DummyExoMediaDrm<T>) new DummyExoMediaDrm<>();
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}
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@Override
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public void setOnEventListener(OnEventListener<? super T> listener) {
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// Do nothing.
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}
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@Override
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public void setOnKeyStatusChangeListener(OnKeyStatusChangeListener<? super T> listener) {
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// Do nothing.
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}
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@Override
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public byte[] openSession() throws MediaDrmException {
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throw new MediaDrmException("Attempting to open a session using a dummy ExoMediaDrm.");
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}
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@Override
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public void closeSession(byte[] sessionId) {
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// Do nothing.
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}
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@Override
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public KeyRequest getKeyRequest(
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byte[] scope,
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@Nullable List<DrmInitData.SchemeData> schemeDatas,
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int keyType,
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@Nullable HashMap<String, String> optionalParameters) {
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// Should not be invoked. No session should exist.
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throw new IllegalStateException();
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}
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@Nullable
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@Override
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public byte[] provideKeyResponse(byte[] scope, byte[] response) {
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// Should not be invoked. No session should exist.
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throw new IllegalStateException();
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}
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@Override
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public ProvisionRequest getProvisionRequest() {
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// Should not be invoked. No provision should be required.
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throw new IllegalStateException();
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}
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@Override
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public void provideProvisionResponse(byte[] response) {
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// Should not be invoked. No provision should be required.
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throw new IllegalStateException();
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}
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@Override
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public Map<String, String> queryKeyStatus(byte[] sessionId) {
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// Should not be invoked. No session should exist.
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throw new IllegalStateException();
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}
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@Override
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public void acquire() {
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// Do nothing.
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}
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@Override
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public void release() {
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// Do nothing.
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}
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@Override
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public void restoreKeys(byte[] sessionId, byte[] keySetId) {
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// Should not be invoked. No session should exist.
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throw new IllegalStateException();
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}
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@Override
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@Nullable
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public PersistableBundle getMetrics() {
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return null;
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}
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@Override
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public String getPropertyString(String propertyName) {
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return "";
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}
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@Override
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public byte[] getPropertyByteArray(String propertyName) {
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return Util.EMPTY_BYTE_ARRAY;
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}
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@Override
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public void setPropertyString(String propertyName, String value) {
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// Do nothing.
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}
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@Override
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public void setPropertyByteArray(String propertyName, byte[] value) {
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// Do nothing.
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}
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@Override
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public T createMediaCrypto(byte[] sessionId) {
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// Should not be invoked. No session should exist.
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throw new IllegalStateException();
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}
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@Override
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@Nullable
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public Class<T> getExoMediaCryptoType() {
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// No ExoMediaCrypto type is supported.
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return null;
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}
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}
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