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
17 #include "HidlCameraStream.h"
18
19 #include "HidlCamera.h"
20 #include "utils/include/Utils.h"
21
22 #include <android-base/logging.h>
23 #include <utils/SystemClock.h>
24
25 namespace aidl::android::automotive::evs::implementation {
26
27 namespace hidlevs = ::android::hardware::automotive::evs;
28
29 using ::aidl::android::hardware::automotive::evs::BufferDesc;
30 using ::android::hardware::hidl_vec;
31 using ::android::hardware::Return;
32 using ::android::hardware::Status;
33 using ::ndk::ScopedAStatus;
34
deliverFrame(const hidlevs::V1_0::BufferDesc & buffer)35 Return<void> HidlCameraStream::deliverFrame(const hidlevs::V1_0::BufferDesc& buffer) {
36 if (!mAidlStream) {
37 LOG(ERROR) << "A reference to AIDL IEvsCameraStream is invalid.";
38 return {};
39 }
40
41 std::vector<BufferDesc> aidlBuffers(1);
42 aidlBuffers[0] = std::move(Utils::makeFromHidl(buffer, /* doDup= */ true));
43
44 // android::hardware::automotive::evs::V1_0::BufferDesc does not contain a
45 // timestamp so we need to fill it here.
46 aidlBuffers[0].timestamp = static_cast<int64_t>(::android::elapsedRealtimeNano() * 1e+3);
47 aidlBuffers[0].deviceId = mSourceDeviceId;
48
49 mHidlV0Buffers.push_back(buffer);
50 auto aidlStatus = mAidlStream->deliverFrame(std::move(aidlBuffers));
51 if (!aidlStatus.isOk()) {
52 LOG(ERROR) << "Failed to forward frames to AIDL client";
53 }
54
55 return {};
56 }
57
deliverFrame_1_1(const hidl_vec<hidlevs::V1_1::BufferDesc> & buffers)58 Return<void> HidlCameraStream::deliverFrame_1_1(
59 const hidl_vec<hidlevs::V1_1::BufferDesc>& buffers) {
60 if (!mAidlStream) {
61 LOG(ERROR) << "A reference to AIDL IEvsCameraStream is invalid.";
62 return {};
63 }
64
65 std::vector<BufferDesc> aidlBuffers(buffers.size());
66 for (auto i = 0; i < buffers.size(); ++i) {
67 hidlevs::V1_1::BufferDesc buffer = std::move(buffers[i]);
68 aidlBuffers[i] = std::move(Utils::makeFromHidl(buffer, /* doDup= */ true));
69 mHidlV1Buffers.push_back(std::move(buffer));
70 }
71
72 if (!mAidlStream->deliverFrame(std::move(aidlBuffers)).isOk()) {
73 LOG(ERROR) << "Failed to forward frames to AIDL client";
74 }
75
76 return {};
77 }
78
notify(const hidlevs::V1_1::EvsEventDesc & event)79 Return<void> HidlCameraStream::notify(const hidlevs::V1_1::EvsEventDesc& event) {
80 if (!mAidlStream) {
81 LOG(ERROR) << "A reference to AIDL IEvsCameraStream is invalid.";
82 return {};
83 }
84
85 if (!mAidlStream->notify(std::move(Utils::makeFromHidl(event))).isOk()) {
86 LOG(ERROR) << "Failed to forward events to AIDL client";
87 }
88
89 return {};
90 }
91
getHidlBuffer(int id,hidlevs::V1_0::BufferDesc * _return)92 bool HidlCameraStream::getHidlBuffer(int id, hidlevs::V1_0::BufferDesc* _return) {
93 auto it = std::find_if(mHidlV0Buffers.begin(), mHidlV0Buffers.end(),
94 [id](const hidlevs::V1_0::BufferDesc& buffer) {
95 return id == buffer.bufferId;
96 });
97 if (it == mHidlV0Buffers.end()) {
98 return false;
99 }
100
101 *_return = std::move(*it);
102 mHidlV0Buffers.erase(it);
103 return true;
104 }
105
getHidlBuffer(int id,hidlevs::V1_1::BufferDesc * _return)106 bool HidlCameraStream::getHidlBuffer(int id, hidlevs::V1_1::BufferDesc* _return) {
107 auto it = std::find_if(mHidlV1Buffers.begin(), mHidlV1Buffers.end(),
108 [id](const hidlevs::V1_1::BufferDesc& buffer) {
109 return id == buffer.bufferId;
110 });
111 if (it == mHidlV1Buffers.end()) {
112 return false;
113 }
114
115 *_return = std::move(*it);
116 mHidlV1Buffers.erase(it);
117 return true;
118 }
119
120 } // namespace aidl::android::automotive::evs::implementation
121