AudioEndpointParcelable.h revision c0c70e3c7dd10bc2c0caffcab1f3f5fb406b35fb
1828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk/* 2828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk * Copyright 2016 The Android Open Source Project 3828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk * 4828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk * Licensed under the Apache License, Version 2.0 (the "License"); 5828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk * you may not use this file except in compliance with the License. 6828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk * You may obtain a copy of the License at 7828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk * 8828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk * http://www.apache.org/licenses/LICENSE-2.0 9828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk * 10828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk * Unless required by applicable law or agreed to in writing, software 11828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk * distributed under the License is distributed on an "AS IS" BASIS, 12828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk * See the License for the specific language governing permissions and 14828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk * limitations under the License. 15828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk */ 16828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk 17828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk#ifndef BINDING_AUDIOENDPOINTPARCELABLE_H 18828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk#define BINDING_AUDIOENDPOINTPARCELABLE_H 19828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk 20828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk#include <stdint.h> 21828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk 22828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk//#include <sys/mman.h> 23828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk#include <binder/Parcel.h> 24828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk#include <binder/Parcelable.h> 25828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk 265ed503c7a66c90f93759c90237a9b432dbd93f9fPhil Burk#include "binding/AAudioServiceDefinitions.h" 27828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk#include "binding/RingBufferParcelable.h" 28828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk 29828bea5f61f3c40d24759cd8739dd95570883b56Phil Burkusing android::status_t; 30828bea5f61f3c40d24759cd8739dd95570883b56Phil Burkusing android::Parcel; 31828bea5f61f3c40d24759cd8739dd95570883b56Phil Burkusing android::Parcelable; 32828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk 335ed503c7a66c90f93759c90237a9b432dbd93f9fPhil Burknamespace aaudio { 34828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk 35828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk/** 36828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk * Container for information about the message queues plus 375ed503c7a66c90f93759c90237a9b432dbd93f9fPhil Burk * general stream information needed by AAudio clients. 38828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk * It contains no addresses, just sizes, offsets and file descriptors for 39828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk * shared memory that can be passed through Binder. 40828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk */ 41828bea5f61f3c40d24759cd8739dd95570883b56Phil Burkclass AudioEndpointParcelable : public Parcelable { 42828bea5f61f3c40d24759cd8739dd95570883b56Phil Burkpublic: 43828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk AudioEndpointParcelable(); 44828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk virtual ~AudioEndpointParcelable(); 45828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk 46828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk /** 47828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk * Add the file descriptor to the table. 48828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk * @return index in table or negative error 49828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk */ 50828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk int32_t addFileDescriptor(int fd, int32_t sizeInBytes); 51828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk 52828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk virtual status_t writeToParcel(Parcel* parcel) const override; 53828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk 54828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk virtual status_t readFromParcel(const Parcel* parcel) override; 55828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk 565ed503c7a66c90f93759c90237a9b432dbd93f9fPhil Burk aaudio_result_t resolve(EndpointDescriptor *descriptor); 57828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk 585ed503c7a66c90f93759c90237a9b432dbd93f9fPhil Burk aaudio_result_t validate(); 59828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk 60c0c70e3c7dd10bc2c0caffcab1f3f5fb406b35fbPhil Burk aaudio_result_t close(); 61c0c70e3c7dd10bc2c0caffcab1f3f5fb406b35fbPhil Burk 62828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk void dump(); 63828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk 64828bea5f61f3c40d24759cd8739dd95570883b56Phil Burkpublic: // TODO add getters 65828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk // Set capacityInFrames to zero if Queue is unused. 66828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk RingBufferParcelable mUpMessageQueueParcelable; // server to client 67828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk RingBufferParcelable mDownMessageQueueParcelable; // to server 68828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk RingBufferParcelable mUpDataQueueParcelable; // eg. record, could share same queue 69828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk RingBufferParcelable mDownDataQueueParcelable; // eg. playback 70828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk 71828bea5f61f3c40d24759cd8739dd95570883b56Phil Burkprivate: 72828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk int32_t mNumSharedMemories = 0; 73828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk SharedMemoryParcelable mSharedMemories[MAX_SHARED_MEMORIES]; 74828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk}; 75828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk 765ed503c7a66c90f93759c90237a9b432dbd93f9fPhil Burk} /* namespace aaudio */ 77828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk 78828bea5f61f3c40d24759cd8739dd95570883b56Phil Burk#endif //BINDING_AUDIOENDPOINTPARCELABLE_H 79