1 /*
2 * Copyright (c) 2025 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include <iostream>
17 #include "channel_converter.h"
18 #include "audio_stream_info.h"
19 #include "audio_log.h"
20 #include "../fuzz_utils.h"
21
22 namespace OHOS {
23 namespace AudioStandard {
24 using namespace OHOS::AudioStandard::HPAE;
25 using namespace std;
26 using namespace HPAE;
27
28 FuzzUtils &g_fuzzUtils = FuzzUtils::GetInstance();
29 const size_t THRESHOLD = 10;
30
SetParamFuzzTest()31 void SetParamFuzzTest()
32 {
33 std::shared_ptr<ChannelConverter> channelConverter = std::make_shared<ChannelConverter>();
34 CHECK_AND_RETURN(channelConverter != nullptr);
35 AudioChannelInfo inChannelInfo = {
36 .channelLayout = g_fuzzUtils.GetData<AudioChannelLayout>(),
37 .numChannels = g_fuzzUtils.GetData<uint32_t>(),
38 };
39 AudioChannelInfo outChannelInfo = {
40 .channelLayout = g_fuzzUtils.GetData<AudioChannelLayout>(),
41 .numChannels = g_fuzzUtils.GetData<uint32_t>(),
42 };
43 AudioSampleFormat format = g_fuzzUtils.GetData<AudioSampleFormat>();
44 bool mixLfe = g_fuzzUtils.GetData<bool>();
45
46 channelConverter->SetParam(inChannelInfo, outChannelInfo, format, mixLfe);
47 }
48
SetInChannelInfoFuzzTest()49 void SetInChannelInfoFuzzTest()
50 {
51 std::shared_ptr<ChannelConverter> channelConverter = std::make_shared<ChannelConverter>();
52 CHECK_AND_RETURN(channelConverter != nullptr);
53 AudioChannelInfo inChannelInfo = {
54 .channelLayout = g_fuzzUtils.GetData<AudioChannelLayout>(),
55 .numChannels = g_fuzzUtils.GetData<uint32_t>(),
56 };
57 channelConverter->SetInChannelInfo(inChannelInfo);
58 }
59
SetOutChannelInfoFuzzTest()60 void SetOutChannelInfoFuzzTest()
61 {
62 std::shared_ptr<ChannelConverter> channelConverter = std::make_shared<ChannelConverter>();
63 CHECK_AND_RETURN(channelConverter != nullptr);
64 AudioChannelInfo outChannelInfo = {
65 .channelLayout = g_fuzzUtils.GetData<AudioChannelLayout>(),
66 .numChannels = g_fuzzUtils.GetData<uint32_t>(),
67 };
68 channelConverter->SetOutChannelInfo(outChannelInfo);
69 }
70
SetParamsecondFuzzTest()71 void SetParamsecondFuzzTest()
72 {
73 std::shared_ptr<ChannelConverter> channelConverter = std::make_shared<ChannelConverter>();
74 CHECK_AND_RETURN(channelConverter != nullptr);
75 AudioChannelInfo inChannelInfo;
76 AudioChannelInfo outChannelInfo;
77 inChannelInfo.numChannels = g_fuzzUtils.GetData<int32_t>();
78 outChannelInfo.numChannels = g_fuzzUtils.GetData<int32_t>();
79 AudioSampleFormat workFormat = g_fuzzUtils.GetData<AudioSampleFormat>();
80 bool mixLfe = g_fuzzUtils.GetData<bool>();
81 channelConverter->SetParam(inChannelInfo, outChannelInfo, workFormat, mixLfe);
82 }
83
84 vector <TestFuncs> g_testFuncs = {
85 SetParamFuzzTest,
86 SetInChannelInfoFuzzTest,
87 SetOutChannelInfoFuzzTest,
88 SetParamsecondFuzzTest,
89 };
90
91 } // namespace AudioStandard
92 } // namesapce OHOS
93
94 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)95 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
96 {
97 if (size < OHOS::AudioStandard::THRESHOLD) {
98 return 0;
99 }
100
101 OHOS::AudioStandard::g_fuzzUtils.fuzzTest(data, size, OHOS::AudioStandard::g_testFuncs);
102 return 0;
103 }
104