1 /*
2 * Copyright (C) 2018 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 "AudioProductStrategy"
18 //#define LOG_NDEBUG 0
19 #include <utils/Log.h>
20 #include <media/AudioProductStrategy.h>
21 #include <media/AudioAttributes.h>
22 #include <media/PolicyAidlConversion.h>
23
24 namespace android {
25
readFromParcel(const Parcel * parcel)26 status_t AudioProductStrategy::readFromParcel(const Parcel* parcel) {
27 media::AudioProductStrategy aidl;
28 RETURN_STATUS_IF_ERROR(aidl.readFromParcel(parcel));
29 *this = VALUE_OR_RETURN_STATUS(aidl2legacy_AudioProductStrategy(aidl));
30 return OK;
31 }
32
writeToParcel(Parcel * parcel) const33 status_t AudioProductStrategy::writeToParcel(Parcel* parcel) const {
34 media::AudioProductStrategy aidl = VALUE_OR_RETURN_STATUS(
35 legacy2aidl_AudioProductStrategy(*this));
36 return aidl.writeToParcel(parcel);
37 }
38
39 ConversionResult<media::AudioProductStrategy>
legacy2aidl_AudioProductStrategy(const AudioProductStrategy & legacy)40 legacy2aidl_AudioProductStrategy(const AudioProductStrategy& legacy) {
41 media::AudioProductStrategy aidl;
42 aidl.name = legacy.getName();
43 aidl.audioAttributes = VALUE_OR_RETURN(
44 convertContainer<std::vector<media::AudioAttributesEx>>(
45 legacy.getAudioAttributes(),
46 legacy2aidl_AudioAttributes_AudioAttributesEx));
47 aidl.id = VALUE_OR_RETURN(legacy2aidl_product_strategy_t_int32_t(legacy.getId()));
48 return aidl;
49 }
50
51 ConversionResult<AudioProductStrategy>
aidl2legacy_AudioProductStrategy(const media::AudioProductStrategy & aidl)52 aidl2legacy_AudioProductStrategy(const media::AudioProductStrategy& aidl) {
53 return AudioProductStrategy(
54 aidl.name,
55 VALUE_OR_RETURN(
56 convertContainer<std::vector<AudioAttributes>>(
57 aidl.audioAttributes,
58 aidl2legacy_AudioAttributesEx_AudioAttributes)),
59 VALUE_OR_RETURN(aidl2legacy_int32_t_product_strategy_t(aidl.id)));
60 }
61
62 // Keep in sync with android/media/audiopolicy/AudioProductStrategy#attributeMatches
attributesMatches(const audio_attributes_t refAttributes,const audio_attributes_t clientAttritubes)63 bool AudioProductStrategy::attributesMatches(const audio_attributes_t refAttributes,
64 const audio_attributes_t clientAttritubes)
65 {
66 if (refAttributes == AUDIO_ATTRIBUTES_INITIALIZER) {
67 // The default product strategy is the strategy that holds default attributes by convention.
68 // All attributes that fail to match will follow the default strategy for routing.
69 // Choosing the default must be done as a fallback, the attributes match shall not
70 // select the default.
71 return false;
72 }
73 return ((refAttributes.usage == AUDIO_USAGE_UNKNOWN) ||
74 (clientAttritubes.usage == refAttributes.usage)) &&
75 ((refAttributes.content_type == AUDIO_CONTENT_TYPE_UNKNOWN) ||
76 (clientAttritubes.content_type == refAttributes.content_type)) &&
77 ((refAttributes.flags == AUDIO_FLAG_NONE) ||
78 (clientAttritubes.flags != AUDIO_FLAG_NONE &&
79 (clientAttritubes.flags & refAttributes.flags) == refAttributes.flags)) &&
80 ((strlen(refAttributes.tags) == 0) ||
81 (std::strcmp(clientAttritubes.tags, refAttributes.tags) == 0));
82 }
83
84 } // namespace android
85