fuzztest/hwdecoderapi11_fuzzer/videodec_api11_sample.cpp

/*
 * Copyright (C) 2024 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include <arpa/inet.h>
#include <sys/time.h>
#include <utility>
#include "videodec_api11_sample.h"
#include "native_avcapability.h"
using namespace OHOS;
using namespace OHOS::Media;
using namespace std;
namespace {
const string MIME_TYPE = "video/avc";
constexpr int64_t NANOS_IN_SECOND = 1000000000L;
constexpr int64_t NANOS_IN_MICRO = 1000L;

constexpr uint32_t START_CODE_SIZE = 4;
constexpr uint8_t SPS = 7;
constexpr uint8_t PPS = 8;
constexpr int32_t EIGHT = 8;
constexpr int32_t SIXTEEN = 16;
constexpr int32_t TWENTY_FOUR = 24;
constexpr uint8_t H264_NALU_TYPE = 0x1f;

constexpr uint8_t START_CODE[START_CODE_SIZE] = {0, 0, 0, 1};
VDecApi11FuzzSample *g_decSample = nullptr;

void clearIntqueue(std::queue<uint32_t> &q)
{
    std::queue<uint32_t> empty;
    swap(empty, q);
}

void clearAvBufferQueue(std::queue<OH_AVBuffer *> &q)
{
    std::queue<OH_AVBuffer *> empty;
    swap(empty, q);
}
} // namespace

class TestConsumerListener : public IBufferConsumerListener {
public:
    TestConsumerListener(sptr<Surface> cs) : cs(cs) {};
    ~TestConsumerListener() {}
    void OnBufferAvailable() override
    {
        sptr<SurfaceBuffer> buffer;
        int32_t flushFence;
        cs->AcquireBuffer(buffer, flushFence, timestamp, damage);

        cs->ReleaseBuffer(buffer, -1);
    }

private:
    int64_t timestamp = 0;
    Rect damage = {};
    sptr<Surface> cs {nullptr};
};

VDecApi11FuzzSample::~VDecApi11FuzzSample()
{
    Release();
}

void VdecError(OH_AVCodec *codec, int32_t errorCode, void *userData)
{
    cout << "Error errorCode=" << errorCode << endl;
    g_decSample->isRunning_.store(false);
    g_decSample->signal_->inCond_.notify_all();
}

void VdecFormatChanged(OH_AVCodec *codec, OH_AVFormat *format, void *userData)
{
    cout << "Format Changed" << endl;
    int32_t currentWidth = 0;
    int32_t currentHeight = 0;
    OH_AVFormat_GetIntValue(format, OH_MD_KEY_WIDTH, &currentWidth);
    OH_AVFormat_GetIntValue(format, OH_MD_KEY_HEIGHT, &currentHeight);
    g_decSample->defaultWidth = currentWidth;
    g_decSample->defaultHeight = currentHeight;
}

void VdecInputDataReady(OH_AVCodec *codec, uint32_t index, OH_AVBuffer *buffer, void *userData)
{
    VDecSignal *signal = static_cast<VDecSignal *>(userData);
    if (signal == nullptr) {
        return;
    }
    unique_lock<mutex> lock(signal->inMutex_);
    signal->inIdxQueue_.push(index);
    signal->inBufferQueue_.push(buffer);
    signal->inCond_.notify_all();
}

void VdecOutputDataReady(OH_AVCodec *codec, uint32_t index, OH_AVBuffer *buffer, void *userData)
{
    int32_t ret = 0;
    if (g_decSample->isSurfMode) {
        if (g_decSample->isRenderAttime) {
            ret = OH_VideoDecoder_RenderOutputBufferAtTime(codec, index, g_decSample->renderTimestampNs);
        } else {
            ret = OH_VideoDecoder_RenderOutputBuffer(codec, index);
        }
    } else {
        ret = OH_VideoDecoder_FreeOutputBuffer(codec, index);
    }
    if (ret != AV_ERR_OK) {
        g_decSample->Flush();
        g_decSample->Start();
    }
}

int64_t VDecApi11FuzzSample::GetSystemTimeUs()
{
    struct timespec now;
    (void)clock_gettime(CLOCK_BOOTTIME, &now);
    int64_t nanoTime = static_cast<int64_t>(now.tv_sec) * NANOS_IN_SECOND + now.tv_nsec;
    return nanoTime / NANOS_IN_MICRO;
}

int32_t VDecApi11FuzzSample::ConfigureVideoDecoder()
{
    OH_AVFormat *format = OH_AVFormat_Create();
    if (format == nullptr) {
        cout << "Fatal: Failed to create format" << endl;
        return AV_ERR_UNKNOWN;
    }
    (void)OH_AVFormat_SetIntValue(format, OH_MD_KEY_WIDTH, defaultWidth);
    (void)OH_AVFormat_SetIntValue(format, OH_MD_KEY_HEIGHT, defaultHeight);
    (void)OH_AVFormat_SetDoubleValue(format, OH_MD_KEY_FRAME_RATE, defaultFrameRate);
    (void)OH_AVFormat_SetIntValue(format, OH_MD_KEY_ROTATION, 0);
    (void)OH_AVFormat_SetIntValue(format, OH_MD_KEY_PIXEL_FORMAT, AV_PIXEL_FORMAT_NV12);
    (void)OH_AVFormat_SetIntValue(format, OH_MD_KEY_VIDEO_DECODER_BLANK_FRAME_ON_SHUTDOWN, enbleBlankFrame);
    int ret = OH_VideoDecoder_Configure(vdec_, format);
    OH_AVFormat_Destroy(format);
    if (isSurfMode) {
        cs = Surface::CreateSurfaceAsConsumer();
        sptr<IBufferConsumerListener> listener = new TestConsumerListener(cs);
        cs->RegisterConsumerListener(listener);
        auto p = cs->GetProducer();
        ps = Surface::CreateSurfaceAsProducer(p);
        nativeWindow = CreateNativeWindowFromSurface(&ps);
        OH_VideoDecoder_SetSurface(vdec_, nativeWindow);
    }
    return ret;
}

int32_t VDecApi11FuzzSample::SetVideoDecoderCallback()
{
    signal_ = new VDecSignal();
    if (signal_ == nullptr) {
        cout << "Failed to new VDecSignal" << endl;
        return AV_ERR_UNKNOWN;
    }

    cb_.onError = VdecError;
    cb_.onStreamChanged = VdecFormatChanged;
    cb_.onNeedInputBuffer = VdecInputDataReady;
    cb_.onNewOutputBuffer = VdecOutputDataReady;
    OH_VideoDecoder_RegisterCallback(vdec_, cb_, static_cast<void *>(signal_));
    return OH_VideoDecoder_RegisterCallback(vdec_, cb_, static_cast<void *>(signal_));
}

int32_t VDecApi11FuzzSample::CreateVideoDecoder()
{
    OH_AVCapability *cap = OH_AVCodec_GetCapabilityByCategory(OH_AVCODEC_MIMETYPE_VIDEO_AVC, false, HARDWARE);
    string codecName = OH_AVCapability_GetName(cap);
    vdec_ = OH_VideoDecoder_CreateByName("aabbcc");
    bool isValid = false;
    if (vdec_) {
        OH_VideoDecoder_IsValid(vdec_, &isValid);
        OH_VideoDecoder_Destroy(vdec_);
        vdec_ = nullptr;
    }
    OH_AVCodec *tmpDec = OH_VideoDecoder_CreateByMime("aabbcc");
    if (tmpDec) {
        OH_VideoDecoder_Destroy(tmpDec);
        tmpDec = nullptr;
    }
    tmpDec = OH_VideoDecoder_CreateByMime(OH_AVCODEC_MIMETYPE_VIDEO_AVC);
    OH_VideoDecoder_IsValid(vdec_, &isValid);
    if (tmpDec) {
        OH_VideoDecoder_Destroy(tmpDec);
        tmpDec = nullptr;
    }
    vdec_ = OH_VideoDecoder_CreateByName(codecName.c_str());
    g_decSample = this;
    return vdec_ == nullptr ? AV_ERR_UNKNOWN : AV_ERR_OK;
}

void VDecApi11FuzzSample::WaitForEOS()
{
    if (inputLoop_ && inputLoop_->joinable()) {
        inputLoop_->join();
    }
}

OH_AVErrCode VDecApi11FuzzSample::InputFuncFUZZ(const uint8_t *data, size_t size)
{
    uint32_t index;
    unique_lock<mutex> lock(signal_->inMutex_);
    if (!isRunning_.load()) {
        return AV_ERR_NO_MEMORY;
    }
    signal_->inCond_.wait(lock, [this]() {
        if (!isRunning_.load()) {
            return true;
        }
        return signal_->inIdxQueue_.size() > 0;
    });
    if (!isRunning_.load()) {
        return AV_ERR_NO_MEMORY;
    }
    index = signal_->inIdxQueue_.front();
    auto buffer = signal_->inBufferQueue_.front();
    signal_->inIdxQueue_.pop();
    signal_->inBufferQueue_.pop();
    lock.unlock();
    int32_t bufferSize = OH_AVBuffer_GetCapacity(buffer);
    uint8_t *bufferAddr = OH_AVBuffer_GetAddr(buffer);
    if (size > bufferSize - START_CODE_SIZE) {
        OH_VideoDecoder_PushInputBuffer(vdec_, index);
        return AV_ERR_NO_MEMORY;
    }
    if (memcpy_s(bufferAddr, bufferSize, START_CODE, START_CODE_SIZE) != EOK) {
        OH_VideoDecoder_PushInputBuffer(vdec_, index);
        return AV_ERR_NO_MEMORY;
    }
    if (memcpy_s(bufferAddr + START_CODE_SIZE, bufferSize - START_CODE_SIZE, data, size) != EOK) {
        OH_VideoDecoder_PushInputBuffer(vdec_, index);
        cout << "Fatal: memcpy fail" << endl;
        return AV_ERR_NO_MEMORY;
    }
    OH_AVCodecBufferAttr attr;
    attr.pts = GetSystemTimeUs();
    attr.size = size;
    attr.offset = 0;
    attr.flags = AVCODEC_BUFFER_FLAGS_NONE;
    OH_AVBuffer_SetBufferAttr(buffer, &attr);
    OH_AVErrCode ret = OH_VideoDecoder_PushInputBuffer(vdec_, index);
    return ret;
}

void VDecApi11FuzzSample::SetEOS(OH_AVBuffer *buffer, uint32_t index)
{
    OH_AVCodecBufferAttr attr;
    attr.pts = 0;
    attr.size = 0;
    attr.offset = 0;
    attr.flags = AVCODEC_BUFFER_FLAGS_EOS;
    OH_AVBuffer_SetBufferAttr(buffer, &attr);
    int32_t res = OH_VideoDecoder_PushInputBuffer(vdec_, index);
    cout << "OH_VideoDecoder_PushInputData    EOS   res: " << res << endl;
}

int32_t VDecApi11FuzzSample::Flush()
{
    unique_lock<mutex> inLock(signal_->inMutex_);
    clearIntqueue(signal_->inIdxQueue_);
    clearAvBufferQueue(signal_->inBufferQueue_);
    signal_->inCond_.notify_all();
    inLock.unlock();
    unique_lock<mutex> outLock(signal_->outMutex_);
    clearIntqueue(signal_->outIdxQueue_);
    signal_->outCond_.notify_all();
    isRunning_.store(false);
    outLock.unlock();

    return OH_VideoDecoder_Flush(vdec_);
}

int32_t VDecApi11FuzzSample::Reset()
{
    isRunning_.store(false);
    return OH_VideoDecoder_Reset(vdec_);
}

int32_t VDecApi11FuzzSample::Release()
{
    int ret = 0;
    if (vdec_ != nullptr) {
        ret = OH_VideoDecoder_Destroy(vdec_);
        vdec_ = nullptr;
    }
    if (signal_ != nullptr) {
        clearAvBufferQueue(signal_->inBufferQueue_);
        delete signal_;
        signal_ = nullptr;
    }
    return ret;
}

int32_t VDecApi11FuzzSample::Stop()
{
    clearIntqueue(signal_->outIdxQueue_);
    isRunning_.store(false);
    return OH_VideoDecoder_Stop(vdec_);
}

int32_t VDecApi11FuzzSample::Start()
{
    int32_t ret = OH_VideoDecoder_Start(vdec_);
    if (ret == AV_ERR_OK) {
        isRunning_.store(true);
    }
    return ret;
}

void VDecApi11FuzzSample::SetParameter(int32_t data)
{
    OH_AVFormat *format = OH_AVFormat_Create();
    (void)OH_AVFormat_SetIntValue(format, OH_MD_KEY_WIDTH, data);
    (void)OH_AVFormat_SetIntValue(format, OH_MD_KEY_HEIGHT, data);
    OH_VideoDecoder_SetParameter(vdec_, format);
    OH_AVFormat_Destroy(format);
}

void VDecApi11FuzzSample::StopInloop()
{
    if (inputLoop_ != nullptr && inputLoop_->joinable()) {
        unique_lock<mutex> lock(signal_->inMutex_);
        clearIntqueue(signal_->inIdxQueue_);
        isRunning_.store(false);
        signal_->inCond_.notify_all();
        lock.unlock();

        inputLoop_->join();
        inputLoop_.reset();
    }
}

void VDecApi11FuzzSample::ReleaseInFile()
{
    if (inFile_ != nullptr) {
        if (inFile_->is_open()) {
            inFile_->close();
        }
        inFile_.reset();
        inFile_ = nullptr;
    }
}

int32_t VDecApi11FuzzSample::StartVideoDecoder()
{
    isRunning_.store(true);
    int ret = OH_VideoDecoder_Start(vdec_);
    if (ret != AV_ERR_OK) {
        isRunning_.store(false);
        ReleaseInFile();
        Release();
        cout << "Failed to start codec" << endl;
        return ret;
    }
    inFile_ = make_unique<ifstream>();
    if (inFile_ == nullptr) {
        isRunning_.store(false);
        (void)OH_VideoDecoder_Stop(vdec_);
        return AV_ERR_UNKNOWN;
    }
    inFile_->open(inpDir, ios::in | ios::binary);
    if (!inFile_->is_open()) {
        cout << "open input file failed" << endl;
        isRunning_.store(false);
        (void)OH_VideoDecoder_Stop(vdec_);
        inFile_->close();
        inFile_.reset();
        inFile_ = nullptr;
        return AV_ERR_UNKNOWN;
    }

    inputLoop_ = make_unique<thread>(&VDecApi11FuzzSample::InputFuncTest, this);
    if (inputLoop_ == nullptr) {
        cout << "Failed to create input loop" << endl;
        isRunning_.store(false);
        (void)OH_VideoDecoder_Stop(vdec_);
        ReleaseInFile();
        return AV_ERR_UNKNOWN;
    }
    return AV_ERR_OK;
}

void VDecApi11FuzzSample::InputFuncTest()
{
    while (isRunning_.load()) {
        uint32_t index;
        unique_lock<mutex> lock(signal_->inMutex_);
        signal_->inCond_.wait(lock, [this]() {
            if (!isRunning_.load()) {
                return true;
            }
            return signal_->inIdxQueue_.size() > 0;
        });
        if (!isRunning_.load()) {
            break;
        }
        index = signal_->inIdxQueue_.front();
        auto buffer = signal_->inBufferQueue_.front();

        signal_->inIdxQueue_.pop();
        signal_->inBufferQueue_.pop();
        lock.unlock();
        if (!inFile_->eof()) {
            int ret = PushData(index, buffer);
            if (ret == 1) {
                break;
            }
        }
    }
}

int32_t VDecApi11FuzzSample::PushData(uint32_t index, OH_AVBuffer *buffer)
{
    char ch[4] = {};
    (void)inFile_->read(ch, START_CODE_SIZE);
    if (inFile_->eof()) {
        SetEOS(buffer, index);
        return 1;
    }
    uint32_t bufferSize = static_cast<uint32_t>(((ch[3] & 0xFF)) | ((ch[2] & 0xFF) << EIGHT) |
     ((ch[1] & 0xFF) << SIXTEEN) | ((ch[0] & 0xFF) << TWENTY_FOUR));

    return SendData(bufferSize, index, buffer);
}


uint32_t VDecApi11FuzzSample::SendData(uint32_t bufferSize, uint32_t index, OH_AVBuffer *buffer)
{
    OH_AVCodecBufferAttr attr;
    uint8_t *fileBuffer = new uint8_t[bufferSize + START_CODE_SIZE];
    if (fileBuffer == nullptr) {
        delete[] fileBuffer;
        return 0;
    }
    if (memcpy_s(fileBuffer, bufferSize + START_CODE_SIZE, START_CODE, START_CODE_SIZE) != EOK) {
        cout << "Fatal: memory copy failed" << endl;
    }
    (void)inFile_->read((char *)fileBuffer + START_CODE_SIZE, bufferSize);
    if ((fileBuffer[START_CODE_SIZE] & H264_NALU_TYPE) == SPS ||
        (fileBuffer[START_CODE_SIZE] & H264_NALU_TYPE) == PPS) {
        attr.flags = AVCODEC_BUFFER_FLAGS_CODEC_DATA;
    } else {
        attr.flags = AVCODEC_BUFFER_FLAGS_NONE;
    }
    int32_t size = OH_AVBuffer_GetCapacity(buffer);
    if (size < bufferSize + START_CODE_SIZE) {
        delete[] fileBuffer;
        return 0;
    }
    uint8_t *avBuffer = OH_AVBuffer_GetAddr(buffer);
    if (avBuffer == nullptr) {
        cout << "avBuffer == nullptr" << endl;
        inFile_->clear();
        inFile_->seekg(0, ios::beg);
        delete[] fileBuffer;
        return 0;
    }
    if (memcpy_s(avBuffer, size, fileBuffer, bufferSize + START_CODE_SIZE) != EOK) {
        delete[] fileBuffer;
        return 0;
    }
    int64_t startPts = GetSystemTimeUs();
    attr.pts = startPts;
    attr.size = bufferSize + START_CODE_SIZE;
    attr.offset = 0;
    OH_AVBuffer_SetBufferAttr(buffer, &attr);
    if (isRunning_.load()) {
        OH_VideoDecoder_PushInputBuffer(vdec_, index) == AV_ERR_OK ? (0) : (errCount++);
        frameCount_ = frameCount_ + 1;
    }
    delete[] fileBuffer;
    return 0;
}