* Copyright (C) 2025 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_sample.h"
using namespace OHOS;
using namespace OHOS::Media;
using namespace std;
namespace {
const string MIME_TYPE = "video/vp9";
constexpr int64_t NANOS_IN_SECOND = 1000000000L;
constexpr int64_t NANOS_IN_MICRO = 1000L;
VDecFuzzSample *g_decSample = nullptr;
bool g_fuzzError = false;
void clearAvBufferQueue(std::queue<OH_AVMemory *> &q)
{
std::queue<OH_AVMemory *> empty;
swap(empty, q);
}
}
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};
};
VDecFuzzSample::~VDecFuzzSample()
{
Release();
}
void VdecError(OH_AVCodec *codec, int32_t errorCode, void *userData)
{
VDecSignal *signal = static_cast<VDecSignal *>(userData);
if (signal == nullptr) {
return;
}
cout << "Error errorCode=" << errorCode << endl;
g_fuzzError = true;
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, ¤tWidth);
OH_AVFormat_GetIntValue(format, OH_MD_KEY_HEIGHT, ¤tHeight);
g_decSample->defaultWidth = currentWidth;
g_decSample->defaultHeight = currentHeight;
}
void VdecInputDataReady(OH_AVCodec *codec, uint32_t index, OH_AVMemory *data, 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(data);
signal->inCond_.notify_all();
}
void VdecOutputDataReady(OH_AVCodec *codec, uint32_t index, OH_AVMemory *data, OH_AVCodecBufferAttr *attr,
void *userData)
{
VDecSignal *signal = static_cast<VDecSignal *>(userData);
if (signal == nullptr) {
return;
}
unique_lock<mutex> lock(signal->outMutex_);
signal->outIdxQueue_.push(index);
signal->attrQueue_.push(*attr);
signal->outBufferQueue_.push(data);
signal->outCond_.notify_all();
if (g_decSample->isSurfMode) {
OH_VideoDecoder_RenderOutputData(codec, index);
} else {
OH_VideoDecoder_FreeOutputData(codec, index);
}
}
int64_t VDecFuzzSample::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 VDecFuzzSample::ConfigureVideoDecoder()
{
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);
}
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_PIXEL_FORMAT, AV_PIXEL_FORMAT_NV12);
int ret = OH_VideoDecoder_Configure(vdec_, format);
OH_AVFormat_Destroy(format);
return ret;
}
int32_t VDecFuzzSample::SetVideoDecoderCallback()
{
signal_ = new VDecSignal();
if (signal_ == nullptr) {
cout << "Failed to new VDecSignal" << endl;
return AV_ERR_UNKNOWN;
}
cb_.onError = VdecError;
cb_.onStreamChanged = VdecFormatChanged;
cb_.onNeedInputData = VdecInputDataReady;
cb_.onNeedOutputData = VdecOutputDataReady;
return OH_VideoDecoder_SetCallback(vdec_, cb_, static_cast<void *>(signal_));
}
void VDecFuzzSample::ReleaseInFile()
{
if (inFile_ != nullptr) {
if (inFile_->is_open()) {
inFile_->close();
}
inFile_.reset();
inFile_ = nullptr;
}
}
int32_t VDecFuzzSample::StartVideoDecoder()
{
int ret = OH_VideoDecoder_Start(vdec_);
if (ret != AV_ERR_OK) {
cout << "Failed to start codec" << endl;
return ret;
}
isRunning_.store(true);
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<std::thread>([this]() {
this->InputFuncFUZZ(fuzzData, fuzzSize);
});
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;
}
int32_t VDecFuzzSample::CreateVideoDecoder(string codeName)
{
vdec_ = OH_VideoDecoder_CreateByName(codeName.c_str());
g_decSample = this;
return vdec_ == nullptr ? AV_ERR_UNKNOWN : AV_ERR_OK;
}
void VDecFuzzSample::WaitForEOS()
{
if (inputLoop_ && inputLoop_->joinable()) {
inputLoop_->join();
}
}
OH_AVErrCode VDecFuzzSample::InputFuncFUZZ(const uint8_t *data, size_t size)
{
uint32_t index;
unique_lock<mutex> lock(signal_->inMutex_);
signal_->inCond_.wait(lock, [this]() {
if (!isRunning_.load() && g_fuzzError) {
return true;
}
return signal_->inIdxQueue_.size() > 0;
});
if (g_fuzzError)
return AV_ERR_TIMEOUT;
index = signal_->inIdxQueue_.front();
auto buffer = signal_->inBufferQueue_.front();
lock.unlock();
uint8_t *bufferAddr = OH_AVMemory_GetAddr(buffer);
if (memcpy_s(bufferAddr, fuzzSize, fuzzData, fuzzSize) != EOK) {
cout << "Fatal: memcpy fail" << endl;
return AV_ERR_NO_MEMORY;
}
OH_AVCodecBufferAttr attr;
attr.pts = GetSystemTimeUs();
attr.size = fuzzSize;
attr.offset = 0;
attr.flags = AVCODEC_BUFFER_FLAGS_NONE;
OH_AVErrCode ret = OH_VideoDecoder_PushInputData(vdec_, index, attr);
signal_->inIdxQueue_.pop();
signal_->inBufferQueue_.pop();
return ret;
}
int32_t VDecFuzzSample::Release()
{
int ret = 0;
if (vdec_ != nullptr) {
ret = OH_VideoDecoder_Destroy(vdec_);
vdec_ = nullptr;
}
if (signal_ != nullptr) {
clearAvBufferQueue(signal_->inBufferQueue_);
clearAvBufferQueue(signal_->outBufferQueue_);
delete signal_;
signal_ = nullptr;
}
return ret;
}
int32_t VDecFuzzSample::SetParameter(OH_AVFormat *format)
{
return OH_VideoDecoder_SetParameter(vdec_, format);
}
