1 /*
2  * Copyright (C) 2023 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 FAILURE_DEBUG_PREFIX "StreamBufferCache"
18 
19 #include "StreamBufferCache.h"
20 #include "debug.h"
21 
22 namespace android {
23 namespace hardware {
24 namespace camera {
25 namespace provider {
26 namespace implementation {
27 
28 CachedStreamBuffer*
update(const StreamBuffer & sb)29 StreamBufferCache::update(const StreamBuffer& sb) {
30     const auto bi = mCache.find(sb.bufferId);
31     if (bi == mCache.end()) {
32         const auto r = mCache.insert({sb.bufferId, CachedStreamBuffer(sb)});
33         LOG_ALWAYS_FATAL_IF(!r.second);
34         return &(r.first->second);
35     } else {
36         CachedStreamBuffer* csb = &bi->second;
37         csb->importAcquireFence(sb.acquireFence);
38         return csb;
39     }
40 }
41 
remove(const int64_t bufferId)42 void StreamBufferCache::remove(const int64_t bufferId) {
43     mCache.erase(bufferId);
44 }
45 
clearStreamInfo()46 void StreamBufferCache::clearStreamInfo() {
47     for (auto& kv : mCache) {
48         kv.second.setStreamInfo(nullptr);
49     }
50 }
51 
52 }  // namespace implementation
53 }  // namespace provider
54 }  // namespace camera
55 }  // namespace hardware
56 }  // namespace android
57