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 #define LOG_TAG "APM::SessionRoute" 18 //#define LOG_NDEBUG 0 19 20 #include "SessionRoute.h" 21 #include "HwModule.h" 22 #include "AudioGain.h" 23 #include "DeviceDescriptor.h" 24 #include <utils/Log.h> 25 26 namespace android { 27 28 // --- SessionRoute class implementation 29 void SessionRoute::log(const char* prefix) 30 { 31 ALOGI("%s[SessionRoute strm:0x%X, src:%d, sess:0x%X, dev:0x%X refs:%d act:%d", 32 prefix, mStreamType, mSource, mSession, 33 mDeviceDescriptor != 0 ? mDeviceDescriptor->type() : AUDIO_DEVICE_NONE, 34 mRefCount, mActivityCount); 35 } 36 37 // --- SessionRouteMap class implementation 38 bool SessionRouteMap::hasRoute(audio_session_t session) 39 { 40 return indexOfKey(session) >= 0 && valueFor(session)->mDeviceDescriptor != 0; 41 } 42 43 bool SessionRouteMap::hasRouteChanged(audio_session_t session) 44 { 45 if (indexOfKey(session) >= 0) { 46 if (valueFor(session)->mChanged) { 47 valueFor(session)->mChanged = false; 48 return true; 49 } 50 } 51 return false; 52 } 53 54 void SessionRouteMap::removeRoute(audio_session_t session) 55 { 56 sp<SessionRoute> route = indexOfKey(session) >= 0 ? valueFor(session) : 0; 57 if (route != 0) { 58 ALOG_ASSERT(route->mRefCount > 0); 59 --route->mRefCount; 60 if (route->mRefCount <= 0) { 61 removeItem(session); 62 } 63 } 64 } 65 66 int SessionRouteMap::incRouteActivity(audio_session_t session) 67 { 68 sp<SessionRoute> route = indexOfKey(session) >= 0 ? valueFor(session) : 0; 69 return route != 0 ? ++(route->mActivityCount) : -1; 70 } 71 72 int SessionRouteMap::decRouteActivity(audio_session_t session) 73 { 74 sp<SessionRoute> route = indexOfKey(session) >= 0 ? valueFor(session) : 0; 75 if (route != 0 && route->mActivityCount > 0) { 76 return --(route->mActivityCount); 77 } else { 78 return -1; 79 } 80 } 81 82 void SessionRouteMap::log(const char* caption) 83 { 84 ALOGI("%s ----", caption); 85 for(size_t index = 0; index < size(); index++) { 86 valueAt(index)->log(" "); 87 } 88 } 89 90 void SessionRouteMap::addRoute(audio_session_t session, 91 audio_stream_type_t streamType, 92 audio_source_t source, 93 const sp<DeviceDescriptor>& descriptor, 94 uid_t uid) 95 { 96 if (mMapType == MAPTYPE_INPUT && streamType != SessionRoute::STREAM_TYPE_NA) { 97 ALOGE("Adding Output Route to InputRouteMap"); 98 return; 99 } else if (mMapType == MAPTYPE_OUTPUT && source != SessionRoute::SOURCE_TYPE_NA) { 100 ALOGE("Adding Input Route to OutputRouteMap"); 101 return; 102 } 103 104 sp<SessionRoute> route = indexOfKey(session) >= 0 ? valueFor(session) : 0; 105 106 if (route != 0) { 107 if (((route->mDeviceDescriptor == 0) && (descriptor != 0)) || 108 ((route->mDeviceDescriptor != 0) && 109 ((descriptor == 0) || (!route->mDeviceDescriptor->equals(descriptor))))) { 110 route->mChanged = true; 111 } 112 route->mRefCount++; 113 route->mDeviceDescriptor = descriptor; 114 } else { 115 route = new SessionRoute(session, streamType, source, descriptor, uid); 116 route->mRefCount++; 117 add(session, route); 118 if (descriptor != 0) { 119 route->mChanged = true; 120 } 121 } 122 } 123 124 } // namespace android 125