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/*
* Copyright (C) 2016 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 android.media;
import android.media.MediaDrm;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
/**
* Encapsulates initialization data required by a {@link MediaDrm} instance.
*/
public abstract class DrmInitData {
/**
* Prevent public constuctor access
*/
/* package private */ DrmInitData() {
}
/**
* Retrieves initialization data for a given DRM scheme, specified by its UUID.
*
* @param schemeUuid The DRM scheme's UUID.
* @return The initialization data for the scheme, or null if the scheme is not supported.
*/
public abstract SchemeInitData get(UUID schemeUuid);
/**
* Scheme initialization data.
*/
public static final class SchemeInitData {
/**
* The mimeType of {@link #data}.
*/
public final String mimeType;
/**
* The initialization data.
*/
public final byte[] data;
/**
* @param mimeType The mimeType of the initialization data.
* @param data The initialization data.
*
* @hide
*/
public SchemeInitData(String mimeType, byte[] data) {
this.mimeType = mimeType;
this.data = data;
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof SchemeInitData)) {
return false;
}
if (obj == this) {
return true;
}
SchemeInitData other = (SchemeInitData) obj;
return mimeType.equals(other.mimeType) && Arrays.equals(data, other.data);
}
@Override
public int hashCode() {
return mimeType.hashCode() + 31 * Arrays.hashCode(data);
}
}
}
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