Add public API to use new interfaces from cas@1.1 (818719dd) · Commits · e / os / android_frameworks_base

Android.bp

+1 −0

Original line number	Diff line number	Diff line
		@@ -735,6 +735,7 @@ java_defaults {
		"game-driver-protos",
		"mediaplayer2-protos",
		"android.hidl.base-V1.0-java",
		"android.hardware.cas-V1.1-java",
		"android.hardware.cas-V1.0-java",
		"android.hardware.contexthub-V1.0-java",
		"android.hardware.health-V1.0-java-constants",

api/current.txt

+3 −1

Original line number	Diff line number	Diff line
		@@ -24007,7 +24007,8 @@ package android.media {
		}

		public static interface MediaCas.EventListener {
		method public void onEvent(android.media.MediaCas, int, int, @Nullable byte[]);
		method public void onEvent(@NonNull android.media.MediaCas, int, int, @Nullable byte[]);
		method public void onSessionEvent(@NonNull android.media.MediaCas, @NonNull android.media.MediaCas.Session, int, int, @Nullable byte[]);
		}

		public static class MediaCas.PluginDescriptor {
		@@ -24019,6 +24020,7 @@ package android.media {
		method public void close();
		method public void processEcm(@NonNull byte[], int, int) throws android.media.MediaCasException;
		method public void processEcm(@NonNull byte[]) throws android.media.MediaCasException;
		method public void sendSessionEvent(int, int, @Nullable byte[]) throws android.media.MediaCasException;
		method public void setPrivateData(@NonNull byte[]) throws android.media.MediaCasException;
		}

media/java/android/media/MediaCas.java

+84 −6

Original line number	Diff line number	Diff line
		@@ -18,8 +18,12 @@ package android.media;

		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.hardware.cas.V1_0.*;
		import android.hardware.cas.V1_0.HidlCasPluginDescriptor;
		import android.hardware.cas.V1_1.ICas;
		import android.hardware.cas.V1_1.ICasListener;
		import android.hardware.cas.V1_1.IMediaCasService;
		import android.media.MediaCasException.*;
		import android.os.Bundle;
		import android.os.Handler;
		import android.os.HandlerThread;
		import android.os.IHwBinder;
		@@ -128,6 +132,9 @@ public final class MediaCas implements AutoCloseable {
		private class EventHandler extends Handler
		{
		private static final int MSG_CAS_EVENT = 0;
		private static final int MSG_CAS_SESSION_EVENT = 1;
		private static final String SESSION_KEY = "sessionId";
		private static final String DATA_KEY = "data";

		public EventHandler(Looper looper) {
		super(looper);
		@@ -138,6 +145,12 @@ public final class MediaCas implements AutoCloseable {
		if (msg.what == MSG_CAS_EVENT) {
		mListener.onEvent(MediaCas.this, msg.arg1, msg.arg2,
		toBytes((ArrayList<Byte>) msg.obj));
		} else if (msg.what == MSG_CAS_SESSION_EVENT) {
		Bundle bundle = msg.getData();
		ArrayList<Byte> sessionId = toByteArray(bundle.getByteArray(SESSION_KEY));
		mListener.onSessionEvent(MediaCas.this,
		createFromSessionId(sessionId), msg.arg1, msg.arg2,
		bundle.getByteArray(DATA_KEY));
		}
		}
		}
		@@ -149,6 +162,20 @@ public final class MediaCas implements AutoCloseable {
		mEventHandler.sendMessage(mEventHandler.obtainMessage(
		EventHandler.MSG_CAS_EVENT, event, arg, data));
		}
		@Override
		public void onSessionEvent(@NonNull ArrayList<Byte> sessionId,
		int event, int arg, @Nullable ArrayList<Byte> data)
		throws RemoteException {
		Message msg = mEventHandler.obtainMessage();
		msg.what = EventHandler.MSG_CAS_SESSION_EVENT;
		msg.arg1 = event;
		msg.arg2 = arg;
		Bundle bundle = new Bundle();
		bundle.putByteArray(EventHandler.SESSION_KEY, toBytes(sessionId));
		bundle.putByteArray(EventHandler.DATA_KEY, toBytes(data));
		msg.setData(bundle);
		mEventHandler.sendMessage(msg);
		}
		};

		/**
		@@ -221,6 +248,20 @@ public final class MediaCas implements AutoCloseable {
		mSessionId = sessionId;
		}

		/**
		* Query if an object equal current Session object.
		*
		* @param obj an object to compare to current Session object.
		*
		* @return Whether input object equal current Session object.
		*/
		public boolean equals(Object obj) {
		if (obj instanceof Session) {
		return mSessionId.equals(((Session) obj).mSessionId);
		}
		return false;
		}

		/**
		* Set the private data for a session.
		*
		@@ -281,6 +322,30 @@ public final class MediaCas implements AutoCloseable {
		processEcm(data, 0, data.length);
		}

		/**
		* Send a session event to a CA system. The format of the event is
		* scheme-specific and is opaque to the framework.
		*
		* @param event an integer denoting a scheme-specific event to be sent.
		* @param arg a scheme-specific integer argument for the event.
		* @param data a byte array containing scheme-specific data for the event.
		*
		* @throws IllegalStateException if the MediaCas instance is not valid.
		* @throws MediaCasException for CAS-specific errors.
		* @throws MediaCasStateException for CAS-specific state exceptions.
		*/
		public void sendSessionEvent(int event, int arg, @Nullable byte[] data)
		throws MediaCasException {
		validateInternalStates();

		try {
		MediaCasException.throwExceptionIfNeeded(
		mICas.sendSessionEvent(mSessionId, event, arg, toByteArray(data)));
		} catch (RemoteException e) {
		cleanupAndRethrowIllegalState();
		}
		}

		/**
		* Close the session.
		*
		@@ -362,7 +427,7 @@ public final class MediaCas implements AutoCloseable {
		*/
		public MediaCas(int CA_system_id) throws UnsupportedCasException {
		try {
		mICas = getService().createPlugin(CA_system_id, mBinder);
		mICas = getService().createPluginExt(CA_system_id, mBinder);
		} catch(Exception e) {
		Log.e(TAG, "Failed to create plugin: " + e);
		mICas = null;
		@@ -388,13 +453,26 @@ public final class MediaCas implements AutoCloseable {
		/**
		* Notify the listener of a scheme-specific event from the CA system.
		*
		* @param MediaCas the MediaCas object to receive this event.
		* @param mediaCas the MediaCas object to receive this event.
		* @param event an integer whose meaning is scheme-specific.
		* @param arg an integer whose meaning is scheme-specific.
		* @param data a byte array of data whose format and meaning are
		* scheme-specific.
		*/
		void onEvent(@NonNull MediaCas mediaCas, int event, int arg, @Nullable byte[] data);

		/**
		* Notify the listener of a scheme-specific session event from CA system.
		*
		* @param mediaCas the MediaCas object to receive this event.
		* @param session session object which the event is for.
		* @param event an integer whose meaning is scheme-specific.
		* @param arg an integer whose meaning is scheme-specific.
		* @param data a byte array of data whose format and meaning are
		* scheme-specific.
		*/
		void onEvent(MediaCas MediaCas, int event, int arg, @Nullable byte[] data);
		void onSessionEvent(@NonNull MediaCas mediaCas, @NonNull Session session,
		int event, int arg, @Nullable byte[] data);
		}

		/**