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93 lines
2.4 KiB
93 lines
2.4 KiB
/**
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* Copyright (C) 2018 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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#include <binder/IServiceManager.h>
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#include <binder/Parcel.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <system/audio.h>
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#include <utils/String16.h>
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using 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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HANDLE_DEVICE_CONFIG_CHANGE,
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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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START_OUTPUT,
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STOP_OUTPUT,
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RELEASE_OUTPUT,
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GET_INPUT_FOR_ATTR,
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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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IS_STREAM_ACTIVE,
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IS_SOURCE_ACTIVE,
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GET_DEVICES_FOR_STREAM,
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QUERY_DEFAULT_PRE_PROCESSING,
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SET_EFFECT_ENABLED,
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IS_STREAM_ACTIVE_REMOTELY,
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IS_OFFLOAD_SUPPORTED,
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LIST_AUDIO_PORTS,
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GET_AUDIO_PORT,
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CREATE_AUDIO_PATCH,
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RELEASE_AUDIO_PATCH,
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LIST_AUDIO_PATCHES,
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SET_AUDIO_PORT_CONFIG,
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REGISTER_CLIENT,
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GET_OUTPUT_FOR_ATTR,
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ACQUIRE_SOUNDTRIGGER_SESSION,
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RELEASE_SOUNDTRIGGER_SESSION,
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GET_PHONE_STATE,
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REGISTER_POLICY_MIXES,
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START_AUDIO_SOURCE,
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STOP_AUDIO_SOURCE,
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SET_AUDIO_PORT_CALLBACK_ENABLED,
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SET_MASTER_MONO,
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GET_MASTER_MONO,
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};
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int getOutputForAttr() {
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sp<IServiceManager> sm = defaultServiceManager();
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sp<IBinder> binder = sm->getService(String16("media.audio_policy"));
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Parcel data, reply;
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data.writeInterfaceToken(String16("android.media.IAudioPolicyService"));
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data.writeInt32(1);
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audio_attributes_t attr;
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memset(&attr, 0xff, sizeof(attr));
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attr.flags = AUDIO_FLAG_NONE;
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memset(attr.tags, 0x41, AUDIO_ATTRIBUTES_TAGS_MAX_SIZE);
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data.write(&attr, sizeof(attr));
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binder->transact(GET_OUTPUT_FOR_ATTR, data, &reply, 0);
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return 0;
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}
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int main() {
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getOutputForAttr();
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return 0;
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}
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