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Clarify MediaDrm#getKeyRequest docs: init and mimeType

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MediaDrm getKeyRequest works fine even if init and mimeType
parameters are null when releasing or renewing a key.

bug: 33375079
Change-Id: I707874c8f4f26bf8b23b270331680f69833ae14f
This commit is contained in:
Jeff Tinker
2017-04-05 08:27:14 -07:00
parent 7458ea3827
commit d8ffd7dffe
1 changed files with 6 additions and 3 deletions
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9
media/java/android/media/MediaDrm.java
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@@ -753,9 +753,12 @@ public final class MediaDrm {
* @param init container-specific data, its meaning is interpreted based on the
* mime type provided in the mimeType parameter. It could contain, for example,
* the content ID, key ID or other data obtained from the content metadata that is
* required in generating the key request. init may be null when keyType is
* KEY_TYPE_RELEASE.
* @param mimeType identifies the mime type of the content
* required in generating the key request. May be null when keyType is
* KEY_TYPE_RELEASE or if the request is a renewal, i.e. not the first key
* request for the session.
* @param mimeType identifies the mime type of the content. May be null if the
* keyType is KEY_TYPE_RELEASE or if the request is a renewal, i.e. not the
* first key request for the session.
* @param keyType specifes the type of the request. The request may be to acquire
* keys for streaming or offline content, or to release previously acquired
* keys, which are identified by a keySetId.