616 lines
25 KiB
C++
616 lines
25 KiB
C++
/*
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**
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** Copyright 2009, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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#define LOG_TAG "IAudioPolicyService"
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#include <utils/Log.h>
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#include <stdint.h>
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#include <sys/types.h>
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#include <binder/Parcel.h>
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#include <media/IAudioPolicyService.h>
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namespace android {
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enum {
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SET_DEVICE_CONNECTION_STATE = IBinder::FIRST_CALL_TRANSACTION,
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GET_DEVICE_CONNECTION_STATE,
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SET_PHONE_STATE,
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SET_RINGER_MODE,
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SET_FORCE_USE,
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GET_FORCE_USE,
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GET_OUTPUT,
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GET_SESSION,
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PAUSE_SESSION,
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RESUME_SESSION,
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CLOSE_SESSION,
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START_OUTPUT,
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STOP_OUTPUT,
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RELEASE_OUTPUT,
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GET_INPUT,
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START_INPUT,
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STOP_INPUT,
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RELEASE_INPUT,
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INIT_STREAM_VOLUME,
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SET_STREAM_VOLUME,
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GET_STREAM_VOLUME,
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GET_STRATEGY_FOR_STREAM,
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GET_OUTPUT_FOR_EFFECT,
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REGISTER_EFFECT,
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UNREGISTER_EFFECT
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};
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class BpAudioPolicyService : public BpInterface<IAudioPolicyService>
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{
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public:
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BpAudioPolicyService(const sp<IBinder>& impl)
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: BpInterface<IAudioPolicyService>(impl)
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{
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}
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virtual status_t setDeviceConnectionState(
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AudioSystem::audio_devices device,
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AudioSystem::device_connection_state state,
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const char *device_address)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
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data.writeInt32(static_cast <uint32_t>(device));
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data.writeInt32(static_cast <uint32_t>(state));
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data.writeCString(device_address);
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remote()->transact(SET_DEVICE_CONNECTION_STATE, data, &reply);
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return static_cast <status_t> (reply.readInt32());
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}
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virtual AudioSystem::device_connection_state getDeviceConnectionState(
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AudioSystem::audio_devices device,
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const char *device_address)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
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data.writeInt32(static_cast <uint32_t>(device));
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data.writeCString(device_address);
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remote()->transact(GET_DEVICE_CONNECTION_STATE, data, &reply);
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return static_cast <AudioSystem::device_connection_state>(reply.readInt32());
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}
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virtual status_t setPhoneState(int state)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
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data.writeInt32(state);
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remote()->transact(SET_PHONE_STATE, data, &reply);
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return static_cast <status_t> (reply.readInt32());
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}
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virtual status_t setRingerMode(uint32_t mode, uint32_t mask)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
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data.writeInt32(mode);
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data.writeInt32(mask);
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remote()->transact(SET_RINGER_MODE, data, &reply);
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return static_cast <status_t> (reply.readInt32());
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}
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virtual status_t setForceUse(AudioSystem::force_use usage, AudioSystem::forced_config config)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
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data.writeInt32(static_cast <uint32_t>(usage));
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data.writeInt32(static_cast <uint32_t>(config));
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remote()->transact(SET_FORCE_USE, data, &reply);
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return static_cast <status_t> (reply.readInt32());
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}
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virtual AudioSystem::forced_config getForceUse(AudioSystem::force_use usage)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
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data.writeInt32(static_cast <uint32_t>(usage));
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remote()->transact(GET_FORCE_USE, data, &reply);
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return static_cast <AudioSystem::forced_config> (reply.readInt32());
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}
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virtual audio_io_handle_t getOutput(
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AudioSystem::stream_type stream,
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uint32_t samplingRate,
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uint32_t format,
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uint32_t channels,
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AudioSystem::output_flags flags)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
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data.writeInt32(static_cast <uint32_t>(stream));
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data.writeInt32(samplingRate);
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data.writeInt32(static_cast <uint32_t>(format));
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data.writeInt32(channels);
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data.writeInt32(static_cast <uint32_t>(flags));
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remote()->transact(GET_OUTPUT, data, &reply);
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return static_cast <audio_io_handle_t> (reply.readInt32());
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}
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virtual audio_io_handle_t getSession(
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AudioSystem::stream_type stream,
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uint32_t format,
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AudioSystem::output_flags flags,
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int32_t sessionId)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
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data.writeInt32(static_cast <uint32_t>(stream));
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data.writeInt32(static_cast <uint32_t>(format));
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data.writeInt32(static_cast <uint32_t>(flags));
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data.writeInt32(static_cast <int32_t>(sessionId));
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remote()->transact(GET_SESSION, data, &reply);
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return static_cast <audio_io_handle_t> (reply.readInt32());
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}
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virtual status_t pauseSession(audio_io_handle_t output, AudioSystem::stream_type stream)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
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data.writeInt32(output);
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data.writeInt32(static_cast <uint32_t>(stream));
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remote()->transact(PAUSE_SESSION, data, &reply);
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return static_cast <status_t> (reply.readInt32());
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}
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virtual status_t resumeSession(audio_io_handle_t output, AudioSystem::stream_type stream)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
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data.writeInt32(output);
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data.writeInt32(static_cast <uint32_t>(stream));
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remote()->transact(RESUME_SESSION, data, &reply);
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return static_cast <status_t> (reply.readInt32());
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}
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virtual status_t closeSession(audio_io_handle_t output)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
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data.writeInt32(output);
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remote()->transact(CLOSE_SESSION, data, &reply);
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return static_cast <audio_io_handle_t> (reply.readInt32());
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}
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virtual status_t startOutput(audio_io_handle_t output,
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AudioSystem::stream_type stream,
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int session)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
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data.writeInt32(output);
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data.writeInt32(stream);
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data.writeInt32(session);
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remote()->transact(START_OUTPUT, data, &reply);
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return static_cast <status_t> (reply.readInt32());
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}
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virtual status_t stopOutput(audio_io_handle_t output,
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AudioSystem::stream_type stream,
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int session)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
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data.writeInt32(output);
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data.writeInt32(stream);
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data.writeInt32(session);
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remote()->transact(STOP_OUTPUT, data, &reply);
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return static_cast <status_t> (reply.readInt32());
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}
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virtual void releaseOutput(audio_io_handle_t output)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
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data.writeInt32(output);
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remote()->transact(RELEASE_OUTPUT, data, &reply);
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}
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virtual audio_io_handle_t getInput(
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int inputSource,
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uint32_t samplingRate,
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uint32_t format,
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uint32_t channels,
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AudioSystem::audio_in_acoustics acoustics)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
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data.writeInt32(inputSource);
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data.writeInt32(samplingRate);
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data.writeInt32(static_cast <uint32_t>(format));
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data.writeInt32(channels);
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data.writeInt32(static_cast <uint32_t>(acoustics));
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remote()->transact(GET_INPUT, data, &reply);
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return static_cast <audio_io_handle_t> (reply.readInt32());
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}
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virtual status_t startInput(audio_io_handle_t input)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
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data.writeInt32(input);
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remote()->transact(START_INPUT, data, &reply);
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return static_cast <status_t> (reply.readInt32());
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}
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virtual status_t stopInput(audio_io_handle_t input)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
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data.writeInt32(input);
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remote()->transact(STOP_INPUT, data, &reply);
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return static_cast <status_t> (reply.readInt32());
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}
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virtual void releaseInput(audio_io_handle_t input)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
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data.writeInt32(input);
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remote()->transact(RELEASE_INPUT, data, &reply);
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}
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virtual status_t initStreamVolume(AudioSystem::stream_type stream,
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int indexMin,
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int indexMax)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
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data.writeInt32(static_cast <uint32_t>(stream));
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data.writeInt32(indexMin);
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data.writeInt32(indexMax);
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remote()->transact(INIT_STREAM_VOLUME, data, &reply);
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return static_cast <status_t> (reply.readInt32());
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}
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virtual status_t setStreamVolumeIndex(AudioSystem::stream_type stream, int index)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
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data.writeInt32(static_cast <uint32_t>(stream));
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data.writeInt32(index);
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remote()->transact(SET_STREAM_VOLUME, data, &reply);
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return static_cast <status_t> (reply.readInt32());
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}
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virtual status_t getStreamVolumeIndex(AudioSystem::stream_type stream, int *index)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
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data.writeInt32(static_cast <uint32_t>(stream));
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remote()->transact(GET_STREAM_VOLUME, data, &reply);
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int lIndex = reply.readInt32();
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if (index) *index = lIndex;
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return static_cast <status_t> (reply.readInt32());
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}
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virtual uint32_t getStrategyForStream(AudioSystem::stream_type stream)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
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data.writeInt32(static_cast <uint32_t>(stream));
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remote()->transact(GET_STRATEGY_FOR_STREAM, data, &reply);
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return reply.readInt32();
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}
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virtual audio_io_handle_t getOutputForEffect(effect_descriptor_t *desc)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
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data.write(desc, sizeof(effect_descriptor_t));
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remote()->transact(GET_OUTPUT_FOR_EFFECT, data, &reply);
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return static_cast <audio_io_handle_t> (reply.readInt32());
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}
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virtual status_t registerEffect(effect_descriptor_t *desc,
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audio_io_handle_t output,
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uint32_t strategy,
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int session,
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int id)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
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data.write(desc, sizeof(effect_descriptor_t));
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data.writeInt32(output);
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data.writeInt32(strategy);
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data.writeInt32(session);
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data.writeInt32(id);
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remote()->transact(REGISTER_EFFECT, data, &reply);
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return static_cast <status_t> (reply.readInt32());
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}
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virtual status_t unregisterEffect(int id)
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{
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Parcel data, reply;
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data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
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data.writeInt32(id);
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remote()->transact(UNREGISTER_EFFECT, data, &reply);
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return static_cast <status_t> (reply.readInt32());
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}
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};
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IMPLEMENT_META_INTERFACE(AudioPolicyService, "android.media.IAudioPolicyService");
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// ----------------------------------------------------------------------
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status_t BnAudioPolicyService::onTransact(
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uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
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{
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switch(code) {
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case SET_DEVICE_CONNECTION_STATE: {
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CHECK_INTERFACE(IAudioPolicyService, data, reply);
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AudioSystem::audio_devices device =
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static_cast <AudioSystem::audio_devices>(data.readInt32());
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AudioSystem::device_connection_state state =
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static_cast <AudioSystem::device_connection_state>(data.readInt32());
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const char *device_address = data.readCString();
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reply->writeInt32(static_cast<uint32_t> (setDeviceConnectionState(device,
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state,
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device_address)));
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return NO_ERROR;
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} break;
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case GET_DEVICE_CONNECTION_STATE: {
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CHECK_INTERFACE(IAudioPolicyService, data, reply);
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AudioSystem::audio_devices device =
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static_cast<AudioSystem::audio_devices> (data.readInt32());
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const char *device_address = data.readCString();
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reply->writeInt32(static_cast<uint32_t> (getDeviceConnectionState(device,
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device_address)));
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return NO_ERROR;
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} break;
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case SET_PHONE_STATE: {
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CHECK_INTERFACE(IAudioPolicyService, data, reply);
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reply->writeInt32(static_cast <uint32_t>(setPhoneState(data.readInt32())));
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return NO_ERROR;
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} break;
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case SET_RINGER_MODE: {
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CHECK_INTERFACE(IAudioPolicyService, data, reply);
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uint32_t mode = data.readInt32();
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uint32_t mask = data.readInt32();
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reply->writeInt32(static_cast <uint32_t>(setRingerMode(mode, mask)));
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return NO_ERROR;
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} break;
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case SET_FORCE_USE: {
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CHECK_INTERFACE(IAudioPolicyService, data, reply);
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AudioSystem::force_use usage = static_cast <AudioSystem::force_use>(data.readInt32());
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AudioSystem::forced_config config =
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static_cast <AudioSystem::forced_config>(data.readInt32());
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reply->writeInt32(static_cast <uint32_t>(setForceUse(usage, config)));
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return NO_ERROR;
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} break;
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case GET_FORCE_USE: {
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CHECK_INTERFACE(IAudioPolicyService, data, reply);
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AudioSystem::force_use usage = static_cast <AudioSystem::force_use>(data.readInt32());
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reply->writeInt32(static_cast <uint32_t>(getForceUse(usage)));
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return NO_ERROR;
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} break;
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case GET_OUTPUT: {
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CHECK_INTERFACE(IAudioPolicyService, data, reply);
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AudioSystem::stream_type stream =
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static_cast <AudioSystem::stream_type>(data.readInt32());
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uint32_t samplingRate = data.readInt32();
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uint32_t format = data.readInt32();
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uint32_t channels = data.readInt32();
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AudioSystem::output_flags flags =
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static_cast <AudioSystem::output_flags>(data.readInt32());
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audio_io_handle_t output = getOutput(stream,
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samplingRate,
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format,
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channels,
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flags);
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reply->writeInt32(static_cast <int>(output));
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return NO_ERROR;
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} break;
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case GET_SESSION: {
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CHECK_INTERFACE(IAudioPolicyService, data, reply);
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AudioSystem::stream_type stream = static_cast <AudioSystem::stream_type>(data.readInt32());
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uint32_t format = data.readInt32();
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AudioSystem::output_flags flags = static_cast <AudioSystem::output_flags>(data.readInt32());
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int32_t sessionId = data.readInt32();
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audio_io_handle_t output = getSession(stream,
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format,
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flags,
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sessionId);
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reply->writeInt32(static_cast <int>(output));
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return NO_ERROR;
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} break;
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case PAUSE_SESSION: {
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CHECK_INTERFACE(IAudioPolicyService, data, reply);
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audio_io_handle_t output = static_cast <audio_io_handle_t>(data.readInt32());
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AudioSystem::stream_type stream = static_cast <AudioSystem::stream_type>(data.readInt32());
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status_t status = pauseSession(output, stream);
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reply->writeInt32(static_cast <int>(status));
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return NO_ERROR;
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} break;
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case RESUME_SESSION: {
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CHECK_INTERFACE(IAudioPolicyService, data, reply);
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audio_io_handle_t output = static_cast <audio_io_handle_t>(data.readInt32());
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AudioSystem::stream_type stream = static_cast <AudioSystem::stream_type>(data.readInt32());
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status_t status = resumeSession(output, stream);
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reply->writeInt32(static_cast <int>(status));
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return NO_ERROR;
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} break;
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case CLOSE_SESSION: {
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CHECK_INTERFACE(IAudioPolicyService, data, reply);
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audio_io_handle_t output = static_cast <audio_io_handle_t>(data.readInt32());
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status_t status = closeSession(output);
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reply->writeInt32(static_cast <int>(status));
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return NO_ERROR;
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} break;
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case START_OUTPUT: {
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CHECK_INTERFACE(IAudioPolicyService, data, reply);
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audio_io_handle_t output = static_cast <audio_io_handle_t>(data.readInt32());
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uint32_t stream = data.readInt32();
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int session = data.readInt32();
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reply->writeInt32(static_cast <uint32_t>(startOutput(output,
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(AudioSystem::stream_type)stream,
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session)));
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return NO_ERROR;
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} break;
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case STOP_OUTPUT: {
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|
CHECK_INTERFACE(IAudioPolicyService, data, reply);
|
|
audio_io_handle_t output = static_cast <audio_io_handle_t>(data.readInt32());
|
|
uint32_t stream = data.readInt32();
|
|
int session = data.readInt32();
|
|
reply->writeInt32(static_cast <uint32_t>(stopOutput(output,
|
|
(AudioSystem::stream_type)stream,
|
|
session)));
|
|
return NO_ERROR;
|
|
} break;
|
|
|
|
case RELEASE_OUTPUT: {
|
|
CHECK_INTERFACE(IAudioPolicyService, data, reply);
|
|
audio_io_handle_t output = static_cast <audio_io_handle_t>(data.readInt32());
|
|
releaseOutput(output);
|
|
return NO_ERROR;
|
|
} break;
|
|
|
|
case GET_INPUT: {
|
|
CHECK_INTERFACE(IAudioPolicyService, data, reply);
|
|
int inputSource = data.readInt32();
|
|
uint32_t samplingRate = data.readInt32();
|
|
uint32_t format = data.readInt32();
|
|
uint32_t channels = data.readInt32();
|
|
AudioSystem::audio_in_acoustics acoustics =
|
|
static_cast <AudioSystem::audio_in_acoustics>(data.readInt32());
|
|
audio_io_handle_t input = getInput(inputSource,
|
|
samplingRate,
|
|
format,
|
|
channels,
|
|
acoustics);
|
|
reply->writeInt32(static_cast <int>(input));
|
|
return NO_ERROR;
|
|
} break;
|
|
|
|
case START_INPUT: {
|
|
CHECK_INTERFACE(IAudioPolicyService, data, reply);
|
|
audio_io_handle_t input = static_cast <audio_io_handle_t>(data.readInt32());
|
|
reply->writeInt32(static_cast <uint32_t>(startInput(input)));
|
|
return NO_ERROR;
|
|
} break;
|
|
|
|
case STOP_INPUT: {
|
|
CHECK_INTERFACE(IAudioPolicyService, data, reply);
|
|
audio_io_handle_t input = static_cast <audio_io_handle_t>(data.readInt32());
|
|
reply->writeInt32(static_cast <uint32_t>(stopInput(input)));
|
|
return NO_ERROR;
|
|
} break;
|
|
|
|
case RELEASE_INPUT: {
|
|
CHECK_INTERFACE(IAudioPolicyService, data, reply);
|
|
audio_io_handle_t input = static_cast <audio_io_handle_t>(data.readInt32());
|
|
releaseInput(input);
|
|
return NO_ERROR;
|
|
} break;
|
|
|
|
case INIT_STREAM_VOLUME: {
|
|
CHECK_INTERFACE(IAudioPolicyService, data, reply);
|
|
AudioSystem::stream_type stream =
|
|
static_cast <AudioSystem::stream_type>(data.readInt32());
|
|
int indexMin = data.readInt32();
|
|
int indexMax = data.readInt32();
|
|
reply->writeInt32(static_cast <uint32_t>(initStreamVolume(stream, indexMin,indexMax)));
|
|
return NO_ERROR;
|
|
} break;
|
|
|
|
case SET_STREAM_VOLUME: {
|
|
CHECK_INTERFACE(IAudioPolicyService, data, reply);
|
|
AudioSystem::stream_type stream =
|
|
static_cast <AudioSystem::stream_type>(data.readInt32());
|
|
int index = data.readInt32();
|
|
reply->writeInt32(static_cast <uint32_t>(setStreamVolumeIndex(stream, index)));
|
|
return NO_ERROR;
|
|
} break;
|
|
|
|
case GET_STREAM_VOLUME: {
|
|
CHECK_INTERFACE(IAudioPolicyService, data, reply);
|
|
AudioSystem::stream_type stream =
|
|
static_cast <AudioSystem::stream_type>(data.readInt32());
|
|
int index;
|
|
status_t status = getStreamVolumeIndex(stream, &index);
|
|
reply->writeInt32(index);
|
|
reply->writeInt32(static_cast <uint32_t>(status));
|
|
return NO_ERROR;
|
|
} break;
|
|
|
|
case GET_STRATEGY_FOR_STREAM: {
|
|
CHECK_INTERFACE(IAudioPolicyService, data, reply);
|
|
AudioSystem::stream_type stream =
|
|
static_cast <AudioSystem::stream_type>(data.readInt32());
|
|
reply->writeInt32(getStrategyForStream(stream));
|
|
return NO_ERROR;
|
|
} break;
|
|
|
|
case GET_OUTPUT_FOR_EFFECT: {
|
|
CHECK_INTERFACE(IAudioPolicyService, data, reply);
|
|
effect_descriptor_t desc;
|
|
data.read(&desc, sizeof(effect_descriptor_t));
|
|
audio_io_handle_t output = getOutputForEffect(&desc);
|
|
reply->writeInt32(static_cast <int>(output));
|
|
return NO_ERROR;
|
|
} break;
|
|
|
|
case REGISTER_EFFECT: {
|
|
CHECK_INTERFACE(IAudioPolicyService, data, reply);
|
|
effect_descriptor_t desc;
|
|
data.read(&desc, sizeof(effect_descriptor_t));
|
|
audio_io_handle_t output = data.readInt32();
|
|
uint32_t strategy = data.readInt32();
|
|
int session = data.readInt32();
|
|
int id = data.readInt32();
|
|
reply->writeInt32(static_cast <int32_t>(registerEffect(&desc,
|
|
output,
|
|
strategy,
|
|
session,
|
|
id)));
|
|
return NO_ERROR;
|
|
} break;
|
|
|
|
case UNREGISTER_EFFECT: {
|
|
CHECK_INTERFACE(IAudioPolicyService, data, reply);
|
|
int id = data.readInt32();
|
|
reply->writeInt32(static_cast <int32_t>(unregisterEffect(id)));
|
|
return NO_ERROR;
|
|
} break;
|
|
|
|
default:
|
|
return BBinder::onTransact(code, data, reply, flags);
|
|
}
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
}; // namespace android
|