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Commit 07f35e7e authored by Ian Baker's avatar Ian Baker
Browse files

Clarify that MediaCrypto.setMediaDrmSession cannot switch DRM schemes 

Bug: 244832508
Change-Id: I88cf4936554731354e326890ea7b66143c8d7c15
parent 14e32e17

media/java/android/media/MediaCrypto.java

+9 −6
Original line number Diff line number Diff line
@@ -75,14 +75,17 @@ public final class MediaCrypto { 
    public final native boolean requiresSecureDecoderComponent(@NonNull String mime);



    /**

     * Associate a MediaDrm session with this MediaCrypto instance.  The

     * MediaDrm session is used to securely load decryption keys for a

     * Associate a new MediaDrm session with this MediaCrypto instance.

     *

     * <p>The MediaDrm session is used to securely load decryption keys for a

     * crypto scheme. The crypto keys loaded through the MediaDrm session

     * may be selected for use during the decryption operation performed

     * by {@link android.media.MediaCodec#queueSecureInputBuffer} by specifying

     * their key ids in the {@link android.media.MediaCodec.CryptoInfo#key} field.

     * @param sessionId the MediaDrm sessionId to associate with this

     * MediaCrypto instance

     * their key IDs in the {@link android.media.MediaCodec.CryptoInfo#key} field.

     *

     * @param sessionId The MediaDrm sessionId to associate with this MediaCrypto

     *         instance. The session's scheme must match the scheme UUID used when

     *         constructing this MediaCrypto instance.

     * @throws MediaCryptoException on failure to set the sessionId

     */

    public final native void setMediaDrmSession(@NonNull byte[] sessionId)