diff options
Diffstat (limited to 'services/audiomanager/IAudioManager.cpp')
| -rw-r--r-- | services/audiomanager/IAudioManager.cpp | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/services/audiomanager/IAudioManager.cpp b/services/audiomanager/IAudioManager.cpp new file mode 100644 index 0000000000..a41804f281 --- /dev/null +++ b/services/audiomanager/IAudioManager.cpp @@ -0,0 +1,103 @@ +/* + * Copyright (C) 2016 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 "IAudioManager" +//#define LOG_NDEBUG 0 +#include <utils/Log.h> + +#include <stdint.h> +#include <sys/types.h> + +#include <binder/Parcel.h> +#include <audiomanager/AudioManager.h> +#include <audiomanager/IAudioManager.h> + +namespace android { + +class BpAudioManager : public BpInterface<IAudioManager> +{ +public: + explicit BpAudioManager(const sp<IBinder>& impl) + : BpInterface<IAudioManager>(impl) + { + } + + virtual audio_unique_id_t trackPlayer(int playerType, int usage, int content) { + 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(0 /*source: none here, this is a player*/); + data.writeInt32(0 /*flags*/); + // write attributes' tags + data.writeInt32(1 /*FLATTEN_TAGS*/); + data.writeString16(String16("")); // no tags + // write attributes' bundle + data.writeInt32(-1977 /*ATTR_PARCEL_IS_NULL_BUNDLE*/); // no bundle + // get new PIId in reply + const status_t res = remote()->transact(TRACK_PLAYER, data, &reply, 0); + if (res != OK || reply.readExceptionCode() != 0) { + ALOGE("trackPlayer() failed, piid is %d", PLAYER_PIID_INVALID); + return PLAYER_PIID_INVALID; + } else { + const audio_unique_id_t piid = (audio_unique_id_t) reply.readInt32(); + ALOGV("trackPlayer() returned piid %d", piid); + return piid; + } + } + + virtual status_t playerAttributes(audio_unique_id_t piid, int usage, int content) { + Parcel data, reply; + data.writeInterfaceToken(IAudioManager::getInterfaceDescriptor()); + data.writeInt32(piid); + data.writeInt32(1); // non-null AudioAttributes parcelable + data.writeInt32(usage); + data.writeInt32(content); + data.writeInt32(0 /*source: none here, this is a player*/); + data.writeInt32(0 /*flags*/); + // write attributes' tags + data.writeInt32(1 /*FLATTEN_TAGS*/); + data.writeString16(String16("")); // no tags + // write attributes' bundle + data.writeInt32(-1977 /*ATTR_PARCEL_IS_NULL_BUNDLE*/); // no bundle + return remote()->transact(PLAYER_ATTRIBUTES, data, &reply, IBinder::FLAG_ONEWAY); + } + + virtual status_t playerEvent(int piid, int event) { + Parcel data, reply; + data.writeInterfaceToken(IAudioManager::getInterfaceDescriptor()); + data.writeInt32(piid); + data.writeInt32(event); + return remote()->transact(PLAYER_EVENT, data, &reply, IBinder::FLAG_ONEWAY); + } + + virtual status_t releasePlayer(int piid) { + Parcel data, reply; + data.writeInterfaceToken(IAudioManager::getInterfaceDescriptor()); + data.writeInt32(piid); + return remote()->transact(RELEASE_PLAYER, data, &reply, IBinder::FLAG_ONEWAY); + } +}; + +IMPLEMENT_META_INTERFACE(AudioManager, "android.media.IAudioService"); + +// ---------------------------------------------------------------------------- + +}; // namespace android |