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 "AudioCollections.h" 20 #include <utils/String8.h> 21 #include <utils/Vector.h> 22 #include <utils/RefBase.h> 23 #include <utils/Errors.h> 24 25 namespace android 26 { 27 28 class PolicyAudioPort; 29 class DeviceDescriptor; 30 31 typedef enum { 32 AUDIO_ROUTE_MUX = 0, 33 AUDIO_ROUTE_MIX = 1 34 } audio_route_type_t; 35 36 class AudioRoute : public virtual RefBase 37 { 38 public: AudioRoute(audio_route_type_t type)39 explicit AudioRoute(audio_route_type_t type) : mType(type) {} 40 setSources(const PolicyAudioPortVector & sources)41 void setSources(const PolicyAudioPortVector &sources) { mSources = sources; } getSources()42 const PolicyAudioPortVector &getSources() const { return mSources; } 43 setSink(const sp<PolicyAudioPort> & sink)44 void setSink(const sp<PolicyAudioPort> &sink) { mSink = sink; } getSink()45 const sp<PolicyAudioPort> &getSink() const { return mSink; } 46 getType()47 audio_route_type_t getType() const { return mType; } 48 49 /** 50 * @brief supportsPatch checks if an audio patch is supported by a Route declared in 51 * the audio_policy_configuration.xml file. 52 * If the patch is supported natively by an AudioHAL (which supports of course Routing API 3.0), 53 * audiopolicy will not request AudioFlinger to use a software bridge to realize a patch 54 * between 2 ports. 55 * @param srcPort (aka the source) to be considered 56 * @param dstPort (aka the sink) to be considered 57 * @return true if the audio route supports the connection between the sink and the source, 58 * false otherwise 59 */ 60 bool supportsPatch(const sp<PolicyAudioPort> &srcPort, 61 const sp<PolicyAudioPort> &dstPort) const; 62 63 void dump(String8 *dst, int spaces) const; 64 65 private: 66 PolicyAudioPortVector mSources; 67 sp<PolicyAudioPort> mSink; 68 audio_route_type_t mType; 69 70 }; 71 72 } // namespace android 73