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 const size_t EXPECT_SIZE = 6;
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 < EXPECT_SIZE) {
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_10Mb.h264";
37 vDecSample->defaultWidth = std::clamp(fdp.ConsumeIntegral<uint32_t>(), 176u, 4096u);
38 vDecSample->defaultHeight = std::clamp(fdp.ConsumeIntegral<uint32_t>(), 176u, 4096u);
39 vDecSample->defaultFrameRate = std::clamp(fdp.ConsumeIntegral<uint32_t>(), 1u, 1000u);
40 std::vector<uint32_t> rotations = {0, 90, 180, 270};
41 size_t index = fdp.ConsumeIntegralInRange<uint32_t>(0, rotations.size() - 1);
42 vDecSample->defaultRotation = rotations[index];
43 std::vector<uint32_t> pixelFormats = {1, 2, 3, 4, 5};
44 size_t pfIndex = fdp.ConsumeIntegralInRange<uint32_t>(0, pixelFormats.size() - 1);
45 vDecSample->defaultPixelFormat = pixelFormats[pfIndex];
46 size_t maxSize = std::numeric_limits<size_t>::max();
47 vDecSample->randomName = fdp.ConsumeRandomLengthString(maxSize);
48 vDecSample->randomMime = fdp.ConsumeRandomLengthString(maxSize);
49 if (vDecSample->CreateVideoDecoder("OH.Media.Codec.Decoder.Video.AVC") != AV_ERR_OK) {
50 delete vDecSample;
51 vDecSample = nullptr;
52 return false;
53 }
54 if (vDecSample->ConfigureVideoDecoder() != AV_ERR_OK) {
55 delete vDecSample;
56 vDecSample = nullptr;
57 return false;
58 }
59 if (vDecSample->SetVideoDecoderCallback() != AV_ERR_OK) {
60 delete vDecSample;
61 vDecSample = nullptr;
62 return false;
63 }
64 if (vDecSample->StartVideoDecoder() != AV_ERR_OK) {
65 delete vDecSample;
66 vDecSample = nullptr;
67 return false;
68 }
69 vDecSample->WaitForEOS();
70 vDecSample->Release();
71 delete vDecSample;
72 vDecSample = nullptr;
73 return result;
74 }
75 } // namespace OHOS
76
77 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)78 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
79 {
80 /* Run your code on data */
81 OHOS::SwdecoderConfigureFuzzTest(data, size);
82 return 0;
83 }
84