Merge "Native IPlayer interface"

6 files changed, 200 insertions, 21 deletions

diff --git a/include/audiomanager/AudioManager.h b/include/audiomanager/AudioManager.h
index d561594758..834dcbdf35 100644
--- a/include/audiomanager/AudioManager.h
+++ b/include/audiomanager/AudioManager.h
@@ -23,19 +23,19 @@ namespace android {
 
 #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 f5ea259cce..909318a193 100644
--- a/include/audiomanager/IAudioManager.h
+++ b/include/audiomanager/IAudioManager.h
@@ -114,10 +114,12 @@ public:
 
     // 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 0000000000..efcac74229
--- /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 04dd9670cd..22b084abc6 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 a41804f281..b9b07064e2 100644
--- a/services/audiomanager/IAudioManager.cpp
+++ b/services/audiomanager/IAudioManager.cpp
@@ -35,15 +35,16 @@ public:
     {
     }
 
-    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 @@ public:
         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 @@ public:
         }
     }
 
-    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 @@ public:
         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 0000000000..3b0b4e9991
--- /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