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 34 void dump(String8 *dst, int spaces, int index) const; 35 36 audio_patch_handle_t mHandle; 37 struct audio_patch mPatch; 38 uid_t mUid; 39 audio_patch_handle_t mAfPatchHandle; 40 }; 41 42 class AudioPatchCollection : public DefaultKeyedVector<audio_patch_handle_t, sp<AudioPatch> > 43 { 44 public: 45 status_t addAudioPatch(audio_patch_handle_t handle, const sp<AudioPatch>& patch); 46 47 status_t removeAudioPatch(audio_patch_handle_t handle); 48 49 status_t listAudioPatches(unsigned int *num_patches, struct audio_patch *patches) const; 50 51 void dump(String8 *dst) const; 52 }; 53 54 } // namespace android 55