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WidevineTestMediaDrmCallback.java

/*
 * 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 com.example.android.sampletvinput.player;

import android.annotation.TargetApi;
import android.media.MediaDrm.KeyRequest;
import android.media.MediaDrm.ProvisionRequest;
import android.text.TextUtils;

import com.google.android.exoplayer.drm.MediaDrmCallback;
import com.google.android.exoplayer.util.Util;

import java.io.IOException;
import java.util.UUID;

/**
 * A {@link MediaDrmCallback} for Widevine test content.
 * <p>
 * This code was originally taken from the ExoPlayer demo application.
 */
@TargetApi(18)
public class WidevineTestMediaDrmCallback implements MediaDrmCallback {

private static final String WIDEVINE_GTS_DEFAULT_BASE_URI =
            "https://proxy.uat.widevine.com/proxy";

private final String defaultUri;

public WidevineTestMediaDrmCallback(String contentId, String provider) {
        String params = "?video_id=" + contentId + "&provider=" + provider;
        defaultUri = WIDEVINE_GTS_DEFAULT_BASE_URI + params;
    }

@Override
    public byte[] executeProvisionRequest(UUID uuid, ProvisionRequest request) throws IOException {
        String url = request.getDefaultUrl() + "&signedRequest=" + new String(request.getData());
        return Util.executePost(url, null, null);
    }

@Override
    public byte[] executeKeyRequest(UUID uuid, KeyRequest request) throws IOException {
        String url = request.getDefaultUrl();
        if (TextUtils.isEmpty(url)) {
            url = defaultUri;
        }
        return Util.executePost(url, request.getData(), null);
    }

}