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::AudioPolicyEngine/Strategy"
18
19 #include "Strategy.h"
20
21 using std::string;
22
23 namespace android
24 {
25 namespace audio_policy
26 {
27
setIdentifier(routing_strategy identifier)28 status_t Element<routing_strategy>::setIdentifier(routing_strategy identifier)
29 {
30 if (identifier >= NUM_STRATEGIES) {
31 return BAD_VALUE;
32 }
33 mIdentifier = identifier;
34 ALOGD("%s: Strategy %s identifier 0x%X", __FUNCTION__, getName().c_str(), identifier);
35 return NO_ERROR;
36 }
37
38 /**
39 * Set the device associated to this strategy.
40 * It checks if the output device is valid.
41 *
42 * @param[in] devices selected for the given strategy.
43 *
44 * @return NO_ERROR if the device is either valid or none, error code otherwise.
45 */
46 template <>
set(audio_devices_t devices)47 status_t Element<routing_strategy>::set<audio_devices_t>(audio_devices_t devices)
48 {
49 if (!audio_is_output_devices(devices) || devices == AUDIO_DEVICE_NONE) {
50 ALOGE("%s: trying to set an invalid device 0x%X for strategy %s",
51 __FUNCTION__, devices, getName().c_str());
52 return BAD_VALUE;
53 }
54 ALOGD("%s: 0x%X for strategy %s", __FUNCTION__, devices, getName().c_str());
55 mApplicableDevices = devices;
56 return NO_ERROR;
57 }
58
59 template <>
get() const60 audio_devices_t Element<routing_strategy>::get<audio_devices_t>() const
61 {
62 ALOGV("%s: 0x%X for strategy %s", __FUNCTION__, mApplicableDevices, getName().c_str());
63 return mApplicableDevices;
64 }
65
66 } // namespace audio_policy
67 } // namespace android
68
69