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/InputSource"
18
19 #include "InputSource.h"
20
21 using std::string;
22
23 namespace android
24 {
25 namespace audio_policy
26 {
setIdentifier(audio_source_t identifier)27 status_t Element<audio_source_t>::setIdentifier(audio_source_t identifier)
28 {
29 if (identifier > AUDIO_SOURCE_MAX && identifier != AUDIO_SOURCE_HOTWORD) {
30 return BAD_VALUE;
31 }
32 mIdentifier = identifier;
33 ALOGD("%s: InputSource %s identifier 0x%X", __FUNCTION__, getName().c_str(), identifier);
34 return NO_ERROR;
35 }
36
37 /**
38 * Set the device associated to this source.
39 * It checks if the input device is valid.
40 *
41 * @param[in] devices selected for the given input source.
42 * @tparam audio_devices_t: Applicable input device for this input source.
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<audio_source_t>::set(audio_devices_t devices)
48 {
49 if (devices != AUDIO_DEVICE_NONE) {
50 devices |= AUDIO_DEVICE_BIT_IN;
51 }
52 if (!audio_is_input_device(devices)) {
53 ALOGE("%s: trying to set an invalid device 0x%X for input source %s",
54 __FUNCTION__, devices, getName().c_str());
55 return BAD_VALUE;
56 }
57 ALOGD("%s: 0x%X for input source %s", __FUNCTION__, devices, getName().c_str());
58 mApplicableDevices = devices;
59 return NO_ERROR;
60 }
61
62 template <>
get() const63 audio_devices_t Element<audio_source_t>::get<audio_devices_t>() const
64 {
65 ALOGV("%s: 0x%X for inputSource %s", __FUNCTION__, mApplicableDevices, getName().c_str());
66 return mApplicableDevices;
67 }
68 } // namespace audio_policy
69 } // namespace android
70
71
72