blob: 31dd74d5a43515c17545106414aacb9376f6dbb6
| 1 | /* |
| 2 | * Copyright (C) 2014 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 "DLGAudioPolicyManager" |
| 18 | //#define LOG_NDEBUG 0 |
| 19 | #include <media/AudioParameter.h> |
| 20 | #include <media/mediarecorder.h> |
| 21 | #include <utils/Log.h> |
| 22 | #include <utils/String16.h> |
| 23 | #include <utils/String8.h> |
| 24 | #include <utils/StrongPointer.h> |
| 25 | |
| 26 | #include "DLGAudioPolicyManager.h" |
| 27 | |
| 28 | |
| 29 | namespace android { |
| 30 | // ---------------------------------------------------------------------------- |
| 31 | // Common audio policy manager code is implemented in AudioPolicyManager class |
| 32 | // ---------------------------------------------------------------------------- |
| 33 | |
| 34 | // --- class factory |
| 35 | |
| 36 | |
| 37 | extern "C" AudioPolicyInterface* createAudioPolicyManager( |
| 38 | AudioPolicyClientInterface *clientInterface) |
| 39 | { |
| 40 | return new DLGAudioPolicyManager(clientInterface); |
| 41 | } |
| 42 | |
| 43 | extern "C" void destroyAudioPolicyManager(AudioPolicyInterface *interface) |
| 44 | { |
| 45 | delete interface; |
| 46 | } |
| 47 | |
| 48 | DLGAudioPolicyManager::DLGAudioPolicyManager( |
| 49 | AudioPolicyClientInterface *clientInterface) |
| 50 | : AudioPolicyManager(clientInterface), mForceSubmixInputSelection(false) |
| 51 | { |
| 52 | } |
| 53 | |
| 54 | float DLGAudioPolicyManager::computeVolume(audio_stream_type_t stream, |
| 55 | int index, |
| 56 | audio_devices_t device) |
| 57 | { |
| 58 | // We only use master volume, so all audio flinger streams |
| 59 | // should be set to maximum |
| 60 | (void)stream; |
| 61 | (void)index; |
| 62 | (void)device; |
| 63 | return AudioPolicyManager::computeVolume(stream,index,device); |
| 64 | } |
| 65 | |
| 66 | status_t DLGAudioPolicyManager::setDeviceConnectionState(audio_devices_t device, |
| 67 | audio_policy_dev_state_t state, |
| 68 | const char *device_address, |
| 69 | const char *device_name) |
| 70 | { |
| 71 | audio_devices_t tmp = AUDIO_DEVICE_NONE;; |
| 72 | ALOGV("setDeviceConnectionState %08x %x %s", device, state, |
| 73 | device_address ? device_address : "(null)"); |
| 74 | |
| 75 | // If the input device is the remote submix and an address starting with "force=" was |
| 76 | // specified, enable "force=1" / disable "force=0" the forced selection of the remote submix |
| 77 | // input device over hardware input devices (e.g RemoteControl). |
| 78 | if (device == AUDIO_DEVICE_IN_REMOTE_SUBMIX && device_address) { |
| 79 | AudioParameter parameters = AudioParameter(String8(device_address)); |
| 80 | int forceValue; |
| 81 | if (parameters.getInt(String8("force"), forceValue) == OK) { |
| 82 | mForceSubmixInputSelection = forceValue != 0; |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | status_t ret = 0; |
| 87 | if (device != AUDIO_DEVICE_IN_REMOTE_SUBMIX) { |
| 88 | ret = AudioPolicyManager::setDeviceConnectionState( |
| 89 | device, state, device_address,device_name); |
| 90 | } |
| 91 | |
| 92 | return ret; |
| 93 | } |
| 94 | |
| 95 | audio_devices_t DLGAudioPolicyManager::getDeviceForInputSource(audio_source_t inputSource) |
| 96 | { |
| 97 | uint32_t device = AUDIO_DEVICE_NONE; |
| 98 | bool usePhysRemote = true; |
| 99 | |
| 100 | if (inputSource == AUDIO_SOURCE_VOICE_RECOGNITION) { |
| 101 | ALOGV("getDeviceForInputSource %s", mForceSubmixInputSelection ? "use virtual" : ""); |
| 102 | audio_devices_t availableDeviceTypes = mAvailableInputDevices.types() & |
| 103 | ~AUDIO_DEVICE_BIT_IN; |
| 104 | if (availableDeviceTypes & AUDIO_DEVICE_IN_REMOTE_SUBMIX && |
| 105 | mForceSubmixInputSelection) { |
| 106 | // REMOTE_SUBMIX should always be avaible, let's make sure it's being forced at the moment |
| 107 | ALOGV("Virtual remote available"); |
| 108 | device = AUDIO_DEVICE_IN_REMOTE_SUBMIX; |
| 109 | } |
| 110 | else |
| 111 | device = AudioPolicyManager::getDeviceForInputSource(inputSource); |
| 112 | } |
| 113 | else |
| 114 | device = AudioPolicyManager::getDeviceForInputSource(inputSource); |
| 115 | |
| 116 | ALOGV("getDeviceForInputSource() input source %d, device %08x", inputSource, device); |
| 117 | return device; |
| 118 | } |
| 119 | |
| 120 | } // namespace android |
| 121 |