1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include "HandleGenerator.h" 20 #include <system/audio.h> 21 #include <utils/Errors.h> 22 #include <utils/RefBase.h> 23 #include <utils/Errors.h> 24 #include <utils/KeyedVector.h> 25 #include <utils/String8.h> 26 27 namespace android { 28 29 class AudioPatch : public RefBase, private HandleGenerator<audio_patch_handle_t> 30 { 31 public: 32 AudioPatch(const struct audio_patch *patch, uid_t uid); 33 getHandle()34 audio_patch_handle_t getHandle() const { return mHandle; } 35 getAfHandle()36 audio_patch_handle_t getAfHandle() const { return mAfPatchHandle; } 37 setAfHandle(audio_patch_handle_t afHandle)38 void setAfHandle(audio_patch_handle_t afHandle) { mAfPatchHandle = afHandle; } 39 getUid()40 uid_t getUid() const { return mUid; } 41 setUid(uid_t uid)42 void setUid(uid_t uid) { mUid = uid; } 43 44 void dump(String8 *dst, int spaces, int index) const; 45 46 struct audio_patch mPatch; 47 48 private: 49 const audio_patch_handle_t mHandle; 50 uid_t mUid; 51 audio_patch_handle_t mAfPatchHandle = AUDIO_PATCH_HANDLE_NONE; 52 }; 53 54 class AudioPatchCollection : public DefaultKeyedVector<audio_patch_handle_t, sp<AudioPatch> > 55 { 56 public: 57 status_t addAudioPatch(audio_patch_handle_t handle, const sp<AudioPatch>& patch); 58 59 status_t removeAudioPatch(audio_patch_handle_t handle); 60 61 status_t listAudioPatches(unsigned int *num_patches, struct audio_patch *patches) const; 62 63 void dump(String8 *dst) const; 64 }; 65 66 } // namespace android 67