1 /* 2 * Copyright (C) 2022 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 <map> 20 21 #include <utils/RefBase.h> 22 23 #include "AudioRoute.h" 24 #include "HwModule.h" 25 #include "IOProfile.h" 26 27 namespace android { 28 29 class PreferredMixerAttributesInfo : public RefBase { 30 public: PreferredMixerAttributesInfo(uid_t uid,audio_port_handle_t devicePortId,const sp<IOProfile> & profile,audio_output_flags_t flags,const audio_mixer_attributes_t & mixerAttributes)31 PreferredMixerAttributesInfo(uid_t uid, audio_port_handle_t devicePortId, 32 const sp<IOProfile>& profile, audio_output_flags_t flags, 33 const audio_mixer_attributes_t& mixerAttributes) 34 : mDevicePortId(devicePortId), mUid(uid), mProfile(profile), 35 mOutputFlags(flags), mMixerAttributes(mixerAttributes) { } 36 getDeviceId()37 audio_port_handle_t getDeviceId() const { return mDevicePortId; } getConfigBase()38 const audio_config_base_t& getConfigBase() const { return mMixerAttributes.config; } getUid()39 uid_t getUid() const { return mUid; } getActiveClientCount()40 int getActiveClientCount() const { return mActiveClientsCount; } getProfile()41 const sp<IOProfile> getProfile() const { return mProfile; }; getFlags()42 audio_output_flags_t getFlags() const { return mOutputFlags; } getMixerAttributes()43 const audio_mixer_attributes_t& getMixerAttributes() const { return mMixerAttributes; } 44 increaseActiveClient()45 void increaseActiveClient() { mActiveClientsCount++; } decreaseActiveClient()46 void decreaseActiveClient() { mActiveClientsCount--; } resetActiveClient()47 void resetActiveClient() { mActiveClientsCount = 0; } 48 isBitPerfect()49 bool isBitPerfect() const { 50 return (getFlags() & AUDIO_OUTPUT_FLAG_BIT_PERFECT) != AUDIO_OUTPUT_FLAG_NONE; 51 } 52 configMatches(const audio_config_t & config)53 bool configMatches(const audio_config_t& config) const { 54 return config.format == mMixerAttributes.config.format && 55 config.channel_mask == mMixerAttributes.config.channel_mask && 56 config.sample_rate == mMixerAttributes.config.sample_rate; 57 } 58 59 void dump(String8 *dst); 60 61 private: 62 const audio_port_handle_t mDevicePortId; 63 const uid_t mUid; 64 const sp<IOProfile> mProfile; 65 const audio_output_flags_t mOutputFlags; 66 const audio_mixer_attributes_t mMixerAttributes; 67 int mActiveClientsCount = 0; 68 }; 69 70 } // namespace android