Native IPlayer interface
Native definition for the IPlayer interface.
Use types instead of int wherever applicable in IAudioManager.
Test: run OpenSL ES app and then dumpsys audio
Bug 30258418
Change-Id: I5b4686a7da4e88413439abfe2613206ed4773f7a
diff --git a/include/audiomanager/AudioManager.h b/include/audiomanager/AudioManager.h
index d561594..834dcbd 100644
--- a/include/audiomanager/AudioManager.h
+++ b/include/audiomanager/AudioManager.h
@@ -23,19 +23,19 @@
#define PLAYER_PIID_INVALID -1
-enum {
+typedef enum {
PLAYER_TYPE_SLES_AUDIOPLAYER_BUFFERQUEUE = 11,
PLAYER_TYPE_SLES_AUDIOPLAYER_URI_FD = 12,
-};
+} player_type_t;
-enum {
+typedef enum {
PLAYER_STATE_UNKNOWN = -1,
PLAYER_STATE_RELEASED = 0,
PLAYER_STATE_IDLE = 1,
PLAYER_STATE_STARTED = 2,
PLAYER_STATE_PAUSED = 3,
PLAYER_STATE_STOPPED = 4,
-};
+} player_state_t;
}; // namespace android
diff --git a/include/audiomanager/IAudioManager.h b/include/audiomanager/IAudioManager.h
index f5ea259..909318a 100644
--- a/include/audiomanager/IAudioManager.h
+++ b/include/audiomanager/IAudioManager.h
@@ -114,10 +114,12 @@
// The parcels created by these methods must be kept in sync with the
// corresponding methods from IAudioService.aidl and objects it imports.
- virtual audio_unique_id_t trackPlayer(int playerType, int usage, int content) = 0;
- /*oneway*/ virtual status_t playerAttributes(audio_unique_id_t piid, int usage, int content)= 0;
- /*oneway*/ virtual status_t playerEvent(int piid, int event) = 0;
- /*oneway*/ virtual status_t releasePlayer(int piid) = 0;
+ virtual audio_unique_id_t trackPlayer(player_type_t playerType, audio_usage_t usage,
+ audio_content_type_t content, const sp<IBinder>& player) = 0;
+ /*oneway*/ virtual status_t playerAttributes(audio_unique_id_t piid, audio_usage_t usage,
+ audio_content_type_t content)= 0;
+ /*oneway*/ virtual status_t playerEvent(audio_unique_id_t piid, player_state_t event) = 0;
+ /*oneway*/ virtual status_t releasePlayer(audio_unique_id_t piid) = 0;
};
// ----------------------------------------------------------------------------
diff --git a/include/audiomanager/IPlayer.h b/include/audiomanager/IPlayer.h
new file mode 100644
index 0000000..efcac74
--- /dev/null
+++ b/include/audiomanager/IPlayer.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2017 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_IPLAYER_H
+#define ANDROID_IPLAYER_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/RefBase.h>
+#include <utils/Errors.h>
+#include <binder/IInterface.h>
+
+namespace android {
+
+// ----------------------------------------------------------------------------
+
+class IPlayer : public IInterface
+{
+public:
+ DECLARE_META_INTERFACE(Player);
+
+ virtual void start() = 0;
+
+ virtual void pause() = 0;
+
+ virtual void stop() = 0;
+
+ virtual void setVolume(float vol) = 0;
+
+};
+
+// ----------------------------------------------------------------------------
+
+class BnPlayer : public BnInterface<IPlayer>
+{
+public:
+ virtual status_t onTransact( uint32_t code,
+ const Parcel& data,
+ Parcel* reply,
+ uint32_t flags = 0);
+};
+
+// ----------------------------------------------------------------------------
+
+}; // namespace android
+
+#endif // ANDROID_IPLAYER_H
diff --git a/services/audiomanager/Android.bp b/services/audiomanager/Android.bp
index 04dd967..22b084a 100644
--- a/services/audiomanager/Android.bp
+++ b/services/audiomanager/Android.bp
@@ -1,7 +1,10 @@
cc_library_shared {
name: "libaudiomanager",
- srcs: ["IAudioManager.cpp"],
+ srcs: [
+ "IAudioManager.cpp",
+ "IPlayer.cpp",
+ ],
shared_libs: [
"libutils",
diff --git a/services/audiomanager/IAudioManager.cpp b/services/audiomanager/IAudioManager.cpp
index a41804f..b9b0706 100644
--- a/services/audiomanager/IAudioManager.cpp
+++ b/services/audiomanager/IAudioManager.cpp
@@ -35,15 +35,16 @@
{
}
- virtual audio_unique_id_t trackPlayer(int playerType, int usage, int content) {
+ virtual audio_unique_id_t trackPlayer(player_type_t playerType, audio_usage_t usage,
+ audio_content_type_t content, const sp<IBinder>& player) {
Parcel data, reply;
data.writeInterfaceToken(IAudioManager::getInterfaceDescriptor());
data.writeInt32(1); // non-null PlayerIdCard parcelable
// marshall PlayerIdCard data
data.writeInt32((int32_t) playerType);
// write attributes of PlayerIdCard
- data.writeInt32(usage);
- data.writeInt32(content);
+ data.writeInt32((int32_t) usage);
+ data.writeInt32((int32_t) content);
data.writeInt32(0 /*source: none here, this is a player*/);
data.writeInt32(0 /*flags*/);
// write attributes' tags
@@ -51,6 +52,8 @@
data.writeString16(String16("")); // no tags
// write attributes' bundle
data.writeInt32(-1977 /*ATTR_PARCEL_IS_NULL_BUNDLE*/); // no bundle
+ // write IPlayer
+ data.writeStrongBinder(player);
// get new PIId in reply
const status_t res = remote()->transact(TRACK_PLAYER, data, &reply, 0);
if (res != OK || reply.readExceptionCode() != 0) {
@@ -63,13 +66,14 @@
}
}
- virtual status_t playerAttributes(audio_unique_id_t piid, int usage, int content) {
+ virtual status_t playerAttributes(audio_unique_id_t piid, audio_usage_t usage,
+ audio_content_type_t content) {
Parcel data, reply;
data.writeInterfaceToken(IAudioManager::getInterfaceDescriptor());
- data.writeInt32(piid);
+ data.writeInt32((int32_t) piid);
data.writeInt32(1); // non-null AudioAttributes parcelable
- data.writeInt32(usage);
- data.writeInt32(content);
+ data.writeInt32((int32_t) usage);
+ data.writeInt32((int32_t) content);
data.writeInt32(0 /*source: none here, this is a player*/);
data.writeInt32(0 /*flags*/);
// write attributes' tags
@@ -80,18 +84,18 @@
return remote()->transact(PLAYER_ATTRIBUTES, data, &reply, IBinder::FLAG_ONEWAY);
}
- virtual status_t playerEvent(int piid, int event) {
+ virtual status_t playerEvent(audio_unique_id_t piid, player_state_t event) {
Parcel data, reply;
data.writeInterfaceToken(IAudioManager::getInterfaceDescriptor());
- data.writeInt32(piid);
- data.writeInt32(event);
+ data.writeInt32((int32_t) piid);
+ data.writeInt32((int32_t) event);
return remote()->transact(PLAYER_EVENT, data, &reply, IBinder::FLAG_ONEWAY);
}
- virtual status_t releasePlayer(int piid) {
+ virtual status_t releasePlayer(audio_unique_id_t piid) {
Parcel data, reply;
data.writeInterfaceToken(IAudioManager::getInterfaceDescriptor());
- data.writeInt32(piid);
+ data.writeInt32((int32_t) piid);
return remote()->transact(RELEASE_PLAYER, data, &reply, IBinder::FLAG_ONEWAY);
}
};
diff --git a/services/audiomanager/IPlayer.cpp b/services/audiomanager/IPlayer.cpp
new file mode 100644
index 0000000..3b0b4e9
--- /dev/null
+++ b/services/audiomanager/IPlayer.cpp
@@ -0,0 +1,109 @@
+/*
+**
+** Copyright 2017, 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.
+*/
+
+#define LOG_TAG "IPlayer"
+//#define LOG_NDEBUG 0
+#include <utils/Log.h>
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <binder/Parcel.h>
+
+#include <audiomanager/IPlayer.h>
+
+namespace android {
+
+enum {
+ START = IBinder::FIRST_CALL_TRANSACTION,
+ PAUSE = IBinder::FIRST_CALL_TRANSACTION + 1,
+ STOP = IBinder::FIRST_CALL_TRANSACTION + 2,
+ SET_VOLUME = IBinder::FIRST_CALL_TRANSACTION + 3,
+};
+
+class BpPlayer : public BpInterface<IPlayer>
+{
+public:
+ explicit BpPlayer(const sp<IBinder>& impl)
+ : BpInterface<IPlayer>(impl)
+ {
+ }
+
+ virtual void start()
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IPlayer::getInterfaceDescriptor());
+ remote()->transact(START, data, &reply);
+ }
+
+ virtual void pause()
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IPlayer::getInterfaceDescriptor());
+ remote()->transact(PAUSE, data, &reply);
+ }
+
+ virtual void stop()
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IPlayer::getInterfaceDescriptor());
+ remote()->transact(STOP, data, &reply);
+ }
+
+ virtual void setVolume(float vol)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IPlayer::getInterfaceDescriptor());
+ data.writeFloat(vol);
+ remote()->transact(SET_VOLUME, data, &reply);
+ }
+};
+
+IMPLEMENT_META_INTERFACE(Player, "android.media.IPlayer");
+
+// ----------------------------------------------------------------------
+
+status_t BnPlayer::onTransact(
+ uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+ switch (code) {
+ case START: {
+ CHECK_INTERFACE(IPlayer, data, reply);
+ start();
+ return NO_ERROR;
+ } break;
+ case PAUSE: {
+ CHECK_INTERFACE(IPlayer, data, reply);
+ pause();
+ return NO_ERROR;
+ }
+ case STOP: {
+ CHECK_INTERFACE(IPlayer, data, reply);
+ stop();
+ return NO_ERROR;
+ } break;
+ case SET_VOLUME: {
+ CHECK_INTERFACE(IPlayer, data, reply);
+ setVolume(data.readFloat());
+ return NO_ERROR;
+ }
+ default:
+ return BBinder::onTransact(code, data, reply, flags);
+ }
+}
+
+} // namespace android