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 #include <cstddef>
16 #include <cstdint>
17 #include <fuzzer/FuzzedDataProvider.h>
18 #include <fstream>
19
20 #include "native_avcodec_videoencoder.h"
21 #include "native_averrors.h"
22 #include "native_avcodec_base.h"
23 #include "native_avcapability.h"
24 #include "videoenc_api11_sample.h"
25
26 using namespace std;
27 using namespace OHOS;
28 using namespace OHOS::Media;
29 #define FUZZ_PROJECT_NAME "hwencodersetparam_fuzzer"
30
31 VEncAPI11FuzzSample *g_vEncSample = nullptr;
32
SaveCorpus(const uint8_t * data,size_t size,const std::string & filename)33 void SaveCorpus(const uint8_t *data, size_t size, const std::string& filename)
34 {
35 std::ofstream file(filename, std::ios::out | std::ios::binary);
36 if (file.is_open()) {
37 file.write(reinterpret_cast<const char*>(data), size);
38 file.close();
39 }
40 }
41
ReleaseSample()42 bool ReleaseSample()
43 {
44 delete g_vEncSample;
45 g_vEncSample = nullptr;
46 return true;
47 }
48
49 namespace OHOS {
HwEncoderSetParamFuzzTest(const uint8_t * data,size_t size)50 bool HwEncoderSetParamFuzzTest(const uint8_t *data, size_t size)
51 {
52 if (size < sizeof(int32_t)) {
53 return false;
54 }
55 std::string filename = "/data/test/corpus-EncoderAPI11FuzzTest";
56 SaveCorpus(data, size, filename);
57 FuzzedDataProvider fdp(data, size);
58 bool data2 = fdp.ConsumeBool();
59 int64_t maxBite = 100000000;
60 int32_t sqrFactor = 32;
61 g_vEncSample = new VEncAPI11FuzzSample();
62 g_vEncSample->fuzzData = data;
63 g_vEncSample->fuzzSize = size;
64 g_vEncSample->surfInput = data2;
65 g_vEncSample->fuzzMode = true;
66 g_vEncSample->defaultBitrateMode = SQR;
67 g_vEncSample->factorEnable = true;
68 g_vEncSample->maxbiteEnable = true;
69 g_vEncSample->defaultSqrFactor = sqrFactor;
70 g_vEncSample->defaultMaxBitrate = maxBite;
71 OH_AVCapability *cap = OH_AVCodec_GetCapabilityByCategory("video/hevc", true, HARDWARE);
72 string tmpCodecName = OH_AVCapability_GetName(cap);
73 if (g_vEncSample->CreateVideoEncoder(tmpCodecName.c_str()) != AV_ERR_OK) {
74 return ReleaseSample();
75 }
76 if (g_vEncSample->SetVideoEncoderCallback() != AV_ERR_OK) {
77 return ReleaseSample();
78 }
79 if (g_vEncSample->ConfigureVideoEncoder() != AV_ERR_OK) {
80 return ReleaseSample();
81 }
82 if (g_vEncSample->StartVideoEncoder() != AV_ERR_OK) {
83 return ReleaseSample();
84 }
85 g_vEncSample->SetParameter();
86 g_vEncSample->WaitForEOS();
87 return ReleaseSample();
88 }
89 } // namespace OHOS
90
91 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)92 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
93 {
94 /* Run your code on data */
95 OHOS::HwEncoderSetParamFuzzTest(data, size);
96 return 0;
97 }
98