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 "native_avcodec_videodecoder.h"
18 #include "native_averrors.h"
19 #include "native_avcodec_base.h"
20 #include "videodec_sample.h"
21 #include <fuzzer/FuzzedDataProvider.h>
22 using namespace std;
23 using namespace OHOS;
24 using namespace OHOS::Media;
25 #define FUZZ_PROJECT_NAME "swdecoderconfigure_fuzzer"
26
27 namespace OHOS {
SwdecoderConfigureFuzzTest(const uint8_t * data,size_t size)28 bool SwdecoderConfigureFuzzTest(const uint8_t *data, size_t size)
29 {
30 if (size < sizeof(int32_t)) {
31 return false;
32 }
33 bool result = false;
34 FuzzedDataProvider fdp(data, size);
35 VDecFuzzSample *vDecSample = new VDecFuzzSample();
36 vDecSample->inpDir = "/data/test/media/1280_720_30.m4v";
37 int32_t lengthMin = 176;
38 int32_t lengthMax = 4096;
39 int32_t frameRateMin = 1;
40 int32_t frameRateMax = 1000;
41 vDecSample->defaultWidth = std::clamp(fdp.ConsumeIntegral<int32_t>(), lengthMin, lengthMax);
42 vDecSample->defaultHeight = std::clamp(fdp.ConsumeIntegral<int32_t>(), lengthMin, lengthMax);
43 vDecSample->defaultFrameRate = std::clamp(fdp.ConsumeIntegral<int32_t>(), frameRateMin, frameRateMax);
44 std::vector<int32_t> rotations = {0, 90, 180, 270};
45 size_t index = fdp.ConsumeIntegralInRange<size_t>(0, rotations.size() - 1);
46 vDecSample->defaultRotation = rotations[index];
47 std::vector<int32_t> pixelFormats = {1, 2, 3, 4, 5};
48 size_t pfIndex = fdp.ConsumeIntegralInRange<size_t>(0, pixelFormats.size() - 1);
49 vDecSample->defaultPixelFormat = pixelFormats[pfIndex];
50 if (vDecSample->CreateVideoDecoder("OH.Media.Codec.Decoder.Video.MPEG4") != AV_ERR_OK) {
51 delete vDecSample;
52 return false;
53 }
54 if (vDecSample->ConfigureVideoDecoder() != AV_ERR_OK) {
55 delete vDecSample;
56 return false;
57 }
58 if (vDecSample->SetVideoDecoderCallback() != AV_ERR_OK) {
59 delete vDecSample;
60 return false;
61 }
62 if (vDecSample->StartVideoDecoder() != AV_ERR_OK) {
63 delete vDecSample;
64 return false;
65 }
66 vDecSample->WaitForEOS();
67 vDecSample->Release();
68 delete vDecSample;
69 return result;
70 }
71 } // namespace OHOS
72
73 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)74 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
75 {
76 /* Run your code on data */
77 OHOS::SwdecoderConfigureFuzzTest(data, size);
78 return 0;
79 }
80