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Make all media source factories create a drm session
PiperOrigin-RevId: 327691347
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105 changes: 105 additions & 0 deletions
105
library/core/src/main/java/com/google/android/exoplayer2/source/MediaSourceDrmHelper.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| /* | ||
| * Copyright (C) 2020 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.source; | ||
|
|
||
| import static com.google.android.exoplayer2.drm.DefaultDrmSessionManager.MODE_PLAYBACK; | ||
| import static com.google.android.exoplayer2.util.Util.castNonNull; | ||
|
|
||
| import android.os.Build; | ||
| import androidx.annotation.Nullable; | ||
| import com.google.android.exoplayer2.ExoPlayerLibraryInfo; | ||
| import com.google.android.exoplayer2.MediaItem; | ||
| import com.google.android.exoplayer2.drm.DefaultDrmSessionManager; | ||
| import com.google.android.exoplayer2.drm.DrmSessionManager; | ||
| import com.google.android.exoplayer2.drm.FrameworkMediaDrm; | ||
| import com.google.android.exoplayer2.drm.HttpMediaDrmCallback; | ||
| import com.google.android.exoplayer2.upstream.DefaultHttpDataSourceFactory; | ||
| import com.google.android.exoplayer2.upstream.HttpDataSource; | ||
| import com.google.android.exoplayer2.util.Assertions; | ||
| import com.google.android.exoplayer2.util.Util; | ||
| import com.google.common.primitives.Ints; | ||
| import java.util.Map; | ||
|
|
||
| /** A helper to create a {@link DrmSessionManager} from a {@link MediaItem}. */ | ||
| public final class MediaSourceDrmHelper { | ||
|
|
||
| private static final String DEFAULT_USER_AGENT = | ||
| ExoPlayerLibraryInfo.VERSION_SLASHY | ||
| + " (Linux;Android " | ||
| + Build.VERSION.RELEASE | ||
| + ") " | ||
| + ExoPlayerLibraryInfo.VERSION_SLASHY; | ||
|
|
||
| @Nullable private HttpDataSource.Factory drmHttpDataSourceFactory; | ||
| @Nullable private String userAgent; | ||
|
|
||
| /** | ||
| * Sets the {@link HttpDataSource.Factory} to be used for creating {@link HttpMediaDrmCallback | ||
| * HttpMediaDrmCallbacks} which executes key and provisioning requests over HTTP. If {@code null} | ||
| * is passed the {@link DefaultHttpDataSourceFactory} is used. | ||
| * | ||
| * @param drmHttpDataSourceFactory The HTTP data source factory or {@code null} to use {@link | ||
| * DefaultHttpDataSourceFactory}. | ||
| */ | ||
| public void setDrmHttpDataSourceFactory( | ||
| @Nullable HttpDataSource.Factory drmHttpDataSourceFactory) { | ||
| this.drmHttpDataSourceFactory = drmHttpDataSourceFactory; | ||
| } | ||
|
|
||
| /** | ||
| * Sets the optional user agent to be used for DRM requests. | ||
| * | ||
| * <p>In case a factory has been set by {@link | ||
| * #setDrmHttpDataSourceFactory(HttpDataSource.Factory)}, this user agent is ignored. | ||
| * | ||
| * @param userAgent The user agent to be used for DRM requests. | ||
| */ | ||
| public void setDrmUserAgent(@Nullable String userAgent) { | ||
| this.userAgent = userAgent; | ||
| } | ||
|
|
||
| /** Creates a {@link DrmSessionManager} for the given media item. */ | ||
| public DrmSessionManager create(MediaItem mediaItem) { | ||
| Assertions.checkNotNull(mediaItem.playbackProperties); | ||
| @Nullable | ||
| MediaItem.DrmConfiguration drmConfiguration = mediaItem.playbackProperties.drmConfiguration; | ||
| if (drmConfiguration == null || drmConfiguration.licenseUri == null || Util.SDK_INT < 18) { | ||
| return DrmSessionManager.getDummyDrmSessionManager(); | ||
| } | ||
| HttpDataSource.Factory dataSourceFactory = | ||
| drmHttpDataSourceFactory != null | ||
| ? drmHttpDataSourceFactory | ||
| : new DefaultHttpDataSourceFactory(userAgent != null ? userAgent : DEFAULT_USER_AGENT); | ||
| HttpMediaDrmCallback httpDrmCallback = | ||
| new HttpMediaDrmCallback( | ||
| castNonNull(drmConfiguration.licenseUri).toString(), | ||
| drmConfiguration.forceDefaultLicenseUri, | ||
| dataSourceFactory); | ||
| for (Map.Entry<String, String> entry : drmConfiguration.requestHeaders.entrySet()) { | ||
| httpDrmCallback.setKeyRequestProperty(entry.getKey(), entry.getValue()); | ||
| } | ||
| DefaultDrmSessionManager drmSessionManager = | ||
| new DefaultDrmSessionManager.Builder() | ||
| .setUuidAndExoMediaDrmProvider( | ||
| drmConfiguration.uuid, FrameworkMediaDrm.DEFAULT_PROVIDER) | ||
| .setMultiSession(drmConfiguration.multiSession) | ||
| .setPlayClearSamplesWithoutKeys(drmConfiguration.playClearContentWithoutKey) | ||
| .setUseDrmSessionsForClearContent(Ints.toArray(drmConfiguration.sessionForClearTypes)) | ||
| .build(httpDrmCallback); | ||
| drmSessionManager.setMode(MODE_PLAYBACK, drmConfiguration.getKeySetId()); | ||
| return drmSessionManager; | ||
| } | ||
| } |
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