Implement remote display service stubs.
Change-Id: I582ed000026bba6d116db8304e15a3c52f8a9a01
diff --git a/include/media/IMediaPlayerService.h b/include/media/IMediaPlayerService.h
index 172975c..c4c37b6 100644
--- a/include/media/IMediaPlayerService.h
+++ b/include/media/IMediaPlayerService.h
@@ -34,6 +34,8 @@
struct ICrypto;
class IMediaRecorder;
class IOMX;
+class IRemoteDisplay;
+class IRemoteDisplayClient;
struct IStreamSource;
class IMediaPlayerService: public IInterface
@@ -50,6 +52,16 @@
virtual sp<IOMX> getOMX() = 0;
virtual sp<ICrypto> makeCrypto() = 0;
+ // Connects to a remote display.
+ // 'iface' specifies the address of the local interface on which to listen for
+ // a connection from the remote display as an ip address and port number
+ // of the form "x.x.x.x:y". The media server should call back into the provided remote
+ // display client when display connection, disconnection or errors occur.
+ // The assumption is that at most one remote display will be connected to the
+ // provided interface at a time.
+ virtual sp<IRemoteDisplay> listenForRemoteDisplay(const sp<IRemoteDisplayClient>& client,
+ const String8& iface) = 0;
+
// If iface == NULL, disable remote display, otherwise
// iface should be of the form "x.x.x.x:y", i.e. ip address
// of the local interface to bind to and the port number
diff --git a/include/media/IRemoteDisplay.h b/include/media/IRemoteDisplay.h
new file mode 100644
index 0000000..f39286e
--- /dev/null
+++ b/include/media/IRemoteDisplay.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2012 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.
+ */
+
+#ifndef ANDROID_IREMOTEDISPLAY_H
+#define ANDROID_IREMOTEDISPLAY_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/RefBase.h>
+#include <binder/IInterface.h>
+#include <binder/Parcel.h>
+
+namespace android {
+
+/*
+ * Represents a remote display, such as a Wifi display.
+ *
+ * When the remote display is created, it may not yet be connected to the
+ * display. The remote display asynchronously reports events such as successful
+ * connection, disconnection and errors to an IRemoteDisplayClient interface provided by
+ * the client.
+ */
+class IRemoteDisplay : public IInterface
+{
+public:
+ DECLARE_META_INTERFACE(RemoteDisplay);
+
+ // Disconnects the remote display.
+ // The remote display should respond back to the IRemoteDisplayClient with an
+ // onDisplayDisconnected() event when the disconnection is complete.
+ virtual status_t disconnect() = 0;
+};
+
+
+// ----------------------------------------------------------------------------
+
+class BnRemoteDisplay : public BnInterface<IRemoteDisplay>
+{
+public:
+ virtual status_t onTransact( uint32_t code,
+ const Parcel& data,
+ Parcel* reply,
+ uint32_t flags = 0);
+};
+
+}; // namespace android
+
+#endif // ANDROID_IREMOTEDISPLAY_H
diff --git a/include/media/IRemoteDisplayClient.h b/include/media/IRemoteDisplayClient.h
new file mode 100644
index 0000000..38a0c9a
--- /dev/null
+++ b/include/media/IRemoteDisplayClient.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2012 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.
+ */
+
+#ifndef ANDROID_IREMOTEDISPLAYCLIENT_H
+#define ANDROID_IREMOTEDISPLAYCLIENT_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/RefBase.h>
+#include <binder/IInterface.h>
+#include <binder/Parcel.h>
+
+namespace android {
+
+class ISurfaceTexture;
+
+class IRemoteDisplayClient : public IInterface
+{
+public:
+ DECLARE_META_INTERFACE(RemoteDisplayClient);
+
+ enum {
+ // Flag: The remote display is using a secure transport protocol such as HDCP.
+ kDisplayFlagSecure = 1 << 0,
+ };
+
+ enum {
+ // Error: An unknown / generic error occurred.
+ kErrorUnknown = 0,
+ // Error: The connection was dropped unexpectedly.
+ kErrorConnectionDropped = 1,
+ };
+
+ // Indicates that the remote display has been connected successfully.
+ // Provides a surface texture that the client should use to stream buffers to
+ // the remote display.
+ virtual void onDisplayConnected(const sp<ISurfaceTexture>& surfaceTexture,
+ uint32_t width, uint32_t height, uint32_t flags) = 0; // one-way
+
+ // Indicates that the remote display has been disconnected normally.
+ // This method should only be called once the client has called 'disconnect()'.
+ // It is currently an error for the display to disconnect for any other reason.
+ virtual void onDisplayDisconnected() = 0; // one-way
+
+ // Indicates that a connection could not be established to the remote display
+ // or an unrecoverable error occurred and the connection was severed.
+ // The media server should continue listening for connection attempts from the
+ // remote display.
+ virtual void onDisplayError(int32_t error) = 0; // one-way
+};
+
+
+// ----------------------------------------------------------------------------
+
+class BnRemoteDisplayClient : public BnInterface<IRemoteDisplayClient>
+{
+public:
+ virtual status_t onTransact( uint32_t code,
+ const Parcel& data,
+ Parcel* reply,
+ uint32_t flags = 0);
+};
+
+}; // namespace android
+
+#endif // ANDROID_IREMOTEDISPLAYCLIENT_H
diff --git a/media/libmedia/Android.mk b/media/libmedia/Android.mk
index bcce063..76308e8 100644
--- a/media/libmedia/Android.mk
+++ b/media/libmedia/Android.mk
@@ -27,6 +27,8 @@
IMediaRecorderClient.cpp \
IMediaPlayer.cpp \
IMediaRecorder.cpp \
+ IRemoteDisplay.cpp \
+ IRemoteDisplayClient.cpp \
IStreamSource.cpp \
Metadata.cpp \
mediarecorder.cpp \
diff --git a/media/libmedia/IMediaPlayerService.cpp b/media/libmedia/IMediaPlayerService.cpp
index d3e2e19..c2ec439 100644
--- a/media/libmedia/IMediaPlayerService.cpp
+++ b/media/libmedia/IMediaPlayerService.cpp
@@ -24,9 +24,12 @@
#include <media/IMediaPlayerService.h>
#include <media/IMediaRecorder.h>
#include <media/IOMX.h>
+#include <media/IRemoteDisplay.h>
+#include <media/IRemoteDisplayClient.h>
#include <media/IStreamSource.h>
#include <utils/Errors.h> // for status_t
+#include <utils/String8.h>
namespace android {
@@ -40,7 +43,8 @@
MAKE_CRYPTO,
ENABLE_REMOTE_DISPLAY,
ADD_BATTERY_DATA,
- PULL_BATTERY_DATA
+ PULL_BATTERY_DATA,
+ LISTEN_FOR_REMOTE_DISPLAY,
};
class BpMediaPlayerService: public BpInterface<IMediaPlayerService>
@@ -148,6 +152,17 @@
data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor());
return remote()->transact(PULL_BATTERY_DATA, data, reply);
}
+
+ virtual sp<IRemoteDisplay> listenForRemoteDisplay(const sp<IRemoteDisplayClient>& client,
+ const String8& iface)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor());
+ data.writeStrongBinder(client->asBinder());
+ data.writeString8(iface);
+ remote()->transact(LISTEN_FOR_REMOTE_DISPLAY, data, &reply);
+ return interface_cast<IRemoteDisplay>(reply.readStrongBinder());
+ }
};
IMPLEMENT_META_INTERFACE(MediaPlayerService, "android.media.IMediaPlayerService");
@@ -242,6 +257,15 @@
pullBatteryData(reply);
return NO_ERROR;
} break;
+ case LISTEN_FOR_REMOTE_DISPLAY: {
+ CHECK_INTERFACE(IMediaPlayerService, data, reply);
+ sp<IRemoteDisplayClient> client(
+ interface_cast<IRemoteDisplayClient>(data.readStrongBinder()));
+ String8 iface(data.readString8());
+ sp<IRemoteDisplay> display(listenForRemoteDisplay(client, iface));
+ reply->writeStrongBinder(display->asBinder());
+ return NO_ERROR;
+ } break;
default:
return BBinder::onTransact(code, data, reply, flags);
}
diff --git a/media/libmedia/IRemoteDisplay.cpp b/media/libmedia/IRemoteDisplay.cpp
new file mode 100644
index 0000000..5d6ab34
--- /dev/null
+++ b/media/libmedia/IRemoteDisplay.cpp
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2012 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.
+ */
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <media/IRemoteDisplay.h>
+
+namespace android {
+
+enum {
+ DISCONNECT = IBinder::FIRST_CALL_TRANSACTION,
+};
+
+class BpRemoteDisplay: public BpInterface<IRemoteDisplay>
+{
+public:
+ BpRemoteDisplay(const sp<IBinder>& impl)
+ : BpInterface<IRemoteDisplay>(impl)
+ {
+ }
+
+ status_t disconnect()
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IRemoteDisplay::getInterfaceDescriptor());
+ remote()->transact(DISCONNECT, data, &reply);
+ return reply.readInt32();
+ }
+};
+
+IMPLEMENT_META_INTERFACE(RemoteDisplay, "android.media.IRemoteDisplay");
+
+// ----------------------------------------------------------------------
+
+status_t BnRemoteDisplay::onTransact(
+ uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+ switch (code) {
+ case DISCONNECT: {
+ CHECK_INTERFACE(IRemoteDisplay, data, reply);
+ reply->writeInt32(disconnect());
+ return NO_ERROR;
+ }
+ default:
+ return BBinder::onTransact(code, data, reply, flags);
+ }
+}
+
+}; // namespace android
diff --git a/media/libmedia/IRemoteDisplayClient.cpp b/media/libmedia/IRemoteDisplayClient.cpp
new file mode 100644
index 0000000..4a1b570
--- /dev/null
+++ b/media/libmedia/IRemoteDisplayClient.cpp
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2012 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.
+ */
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <media/IRemoteDisplayClient.h>
+#include <gui/ISurfaceTexture.h>
+#include <utils/String8.h>
+
+namespace android {
+
+enum {
+ ON_DISPLAY_CONNECTED = IBinder::FIRST_CALL_TRANSACTION,
+ ON_DISPLAY_DISCONNECTED,
+ ON_DISPLAY_ERROR,
+};
+
+class BpRemoteDisplayClient: public BpInterface<IRemoteDisplayClient>
+{
+public:
+ BpRemoteDisplayClient(const sp<IBinder>& impl)
+ : BpInterface<IRemoteDisplayClient>(impl)
+ {
+ }
+
+ void onDisplayConnected(const sp<ISurfaceTexture>& surfaceTexture,
+ uint32_t width, uint32_t height, uint32_t flags)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IRemoteDisplayClient::getInterfaceDescriptor());
+ data.writeStrongBinder(surfaceTexture->asBinder());
+ data.writeInt32(width);
+ data.writeInt32(height);
+ data.writeInt32(flags);
+ remote()->transact(ON_DISPLAY_CONNECTED, data, &reply, IBinder::FLAG_ONEWAY);
+ }
+
+ void onDisplayDisconnected()
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IRemoteDisplayClient::getInterfaceDescriptor());
+ remote()->transact(ON_DISPLAY_DISCONNECTED, data, &reply, IBinder::FLAG_ONEWAY);
+ }
+
+ void onDisplayError(int32_t error)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IRemoteDisplayClient::getInterfaceDescriptor());
+ data.writeInt32(error);
+ remote()->transact(ON_DISPLAY_ERROR, data, &reply, IBinder::FLAG_ONEWAY);
+ }
+};
+
+IMPLEMENT_META_INTERFACE(RemoteDisplayClient, "android.media.IRemoteDisplayClient");
+
+// ----------------------------------------------------------------------
+
+status_t BnRemoteDisplayClient::onTransact(
+ uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+ switch (code) {
+ case ON_DISPLAY_CONNECTED: {
+ CHECK_INTERFACE(IRemoteDisplayClient, data, reply);
+ sp<ISurfaceTexture> surfaceTexture(
+ interface_cast<ISurfaceTexture>(data.readStrongBinder()));
+ uint32_t width = data.readInt32();
+ uint32_t height = data.readInt32();
+ uint32_t flags = data.readInt32();
+ onDisplayConnected(surfaceTexture, width, height, flags);
+ return NO_ERROR;
+ }
+ case ON_DISPLAY_DISCONNECTED: {
+ CHECK_INTERFACE(IRemoteDisplayClient, data, reply);
+ onDisplayDisconnected();
+ return NO_ERROR;
+ }
+ case ON_DISPLAY_ERROR: {
+ CHECK_INTERFACE(IRemoteDisplayClient, data, reply);
+ int32_t error = data.readInt32();
+ onDisplayError(error);
+ return NO_ERROR;
+ }
+ default:
+ return BBinder::onTransact(code, data, reply, flags);
+ }
+}
+
+}; // namespace android
diff --git a/media/libmediaplayerservice/MediaPlayerService.cpp b/media/libmediaplayerservice/MediaPlayerService.cpp
index 166bae9..ae55642 100644
--- a/media/libmediaplayerservice/MediaPlayerService.cpp
+++ b/media/libmediaplayerservice/MediaPlayerService.cpp
@@ -44,6 +44,8 @@
#include <utils/SystemClock.h>
#include <utils/Vector.h>
+#include <media/IRemoteDisplay.h>
+#include <media/IRemoteDisplayClient.h>
#include <media/MediaPlayerInterface.h>
#include <media/mediarecorder.h>
#include <media/MediaMetadataRetrieverInterface.h>
@@ -279,6 +281,12 @@
return new Crypto;
}
+sp<IRemoteDisplay> MediaPlayerService::listenForRemoteDisplay(
+ const sp<IRemoteDisplayClient>& client, const String8& iface) {
+ // TODO: implement me!
+ return NULL;
+}
+
status_t MediaPlayerService::enableRemoteDisplay(const char *iface) {
Mutex::Autolock autoLock(mLock);
diff --git a/media/libmediaplayerservice/MediaPlayerService.h b/media/libmediaplayerservice/MediaPlayerService.h
index 2577c58..ca8a96f 100644
--- a/media/libmediaplayerservice/MediaPlayerService.h
+++ b/media/libmediaplayerservice/MediaPlayerService.h
@@ -41,6 +41,8 @@
class IMediaRecorder;
class IMediaMetadataRetriever;
class IOMX;
+class IRemoteDisplay;
+class IRemoteDisplayClient;
class MediaRecorderClient;
struct RemoteDisplay;
@@ -248,6 +250,9 @@
virtual sp<IMemory> decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, audio_format_t* pFormat);
virtual sp<IOMX> getOMX();
virtual sp<ICrypto> makeCrypto();
+
+ virtual sp<IRemoteDisplay> listenForRemoteDisplay(const sp<IRemoteDisplayClient>& client,
+ const String8& iface);
virtual status_t enableRemoteDisplay(const char *iface);
virtual status_t dump(int fd, const Vector<String16>& args);