1 /*
2 * Copyright (C) 2022 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 #define LOG_TAG "UsecaseLookup"
17 // #define LOG_NDEBUG 0
18
19 #include "media/UsecaseLookup.h"
20
21 #include <utils/Log.h>
22
23 namespace android {
24 namespace media {
25
26 /**
27 * Add streamId and outputFlags to stream list.
28 */
addStream(STREAMID streamId,bool outputFlagGame)29 void UsecaseLookup::addStream(STREAMID streamId, bool outputFlagGame) {
30 ALOGV("%s streamId: %d outputFlagGame: %d", __func__, streamId, outputFlagGame);
31
32 mutex_lock lock(m_mutex);
33 m_streams[streamId] = outputFlagGame;
34 }
35
36 /**
37 * Remove streamId from stream list.
38 */
removeStream(STREAMID streamId)39 void UsecaseLookup::removeStream(STREAMID streamId) {
40 ALOGV("%s streamId: %d ", __func__, streamId);
41
42 mutex_lock lock(m_mutex);
43 m_streams.erase(streamId);
44
45 // Shouldn't happen but it might.
46 for (auto it = m_tracks.begin(); it != m_tracks.end();) {
47 if (it->second == streamId) {
48 it = m_tracks.erase(it);
49 } else {
50 it++;
51 }
52 }
53 }
54
55 /**
56 * Add streamId and portId to track list.
57 */
addTrack(STREAMID streamId,PORTID portId)58 void UsecaseLookup::addTrack(STREAMID streamId, PORTID portId) {
59 ALOGV("%s streamId: %d portId: %d", __func__, streamId, portId);
60
61 mutex_lock lock(m_mutex);
62
63 if (m_tracks.find(portId) == m_tracks.end()) {
64 m_tracks[portId] = streamId;
65 }
66 }
67
68 /**
69 * Remove streamId and portId from track list.
70 */
removeTrack(STREAMID streamId,PORTID portId)71 void UsecaseLookup::removeTrack(STREAMID streamId, PORTID portId) {
72 ALOGV("%s streamId: %d portId: %d", __func__, streamId, portId);
73
74 mutex_lock lock(m_mutex);
75 auto it = m_tracks.find(portId);
76
77 if (it != m_tracks.end() && it->second == streamId) {
78 m_tracks.erase(portId);
79 }
80 }
81
82 /**
83 * Check if stream list contains streamId with Game outputFlag.
84 */
isGameStream(STREAMID streamId)85 bool UsecaseLookup::isGameStream(STREAMID streamId) {
86 ALOGV("%s streamId: %d ", __func__, streamId);
87 mutex_lock lock(m_mutex);
88 auto it = m_streams.find(streamId);
89
90 return (it != m_streams.end()) ? it->second : false;
91 }
92
93 } // namespace media
94 } // namespace android
95