* Copyright (C) 2023 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 "videoenc_sample.h"
using namespace OHOS;
using namespace OHOS::Media;
using namespace std;
namespace {
constexpr int64_t NANOS_IN_SECOND = 1000000000L;
constexpr int64_t NANOS_IN_MICRO = 1000L;
constexpr uint32_t FRAME_INTERVAL = 16666;
constexpr uint32_t MAX_PIXEL_FMT = 5;
constexpr uint8_t RGBA_SIZE = 4;
constexpr uint32_t IDR_FRAME_INTERVAL = 10;
constexpr uint32_t DOUBLE = 2;
VEncFuzzSample *g_encSample = nullptr;
void clearIntqueue(std::queue<uint32_t> &q)
{
std::queue<uint32_t> empty;
swap(empty, q);
}
void clearBufferqueue(std::queue<OH_AVCodecBufferAttr> &q)
{
std::queue<OH_AVCodecBufferAttr> empty;
swap(empty, q);
}
}
VEncFuzzSample::~VEncFuzzSample()
{
Release();
}
static void VencError(OH_AVCodec *codec, int32_t errorCode, void *userData)
{
cout << "Error errorCode=" << errorCode << endl;
}
static void VencFormatChanged(OH_AVCodec *codec, OH_AVFormat *format, void *userData)
{
cout << "Format Changed" << endl;
}
static void VencInputDataReady(OH_AVCodec *codec, uint32_t index, OH_AVMemory *data, void *userData)
{
VEncSignal *signal = static_cast<VEncSignal *>(userData);
unique_lock<mutex> lock(signal->inMutex_);
signal->inIdxQueue_.push(index);
signal->inBufferQueue_.push(data);
signal->inCond_.notify_all();
}
static void VencOutputDataReady(OH_AVCodec *codec, uint32_t index, OH_AVMemory *data, OH_AVCodecBufferAttr *attr,
void *userData)
{
VEncSignal *signal = static_cast<VEncSignal *>(userData);
unique_lock<mutex> lock(signal->outMutex_);
signal->outIdxQueue_.push(index);
signal->attrQueue_.push(*attr);
signal->outBufferQueue_.push(data);
signal->outCond_.notify_all();
}
int64_t VEncFuzzSample::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 VEncFuzzSample::ConfigureVideoEncoder()
{
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_SetIntValue(format, OH_MD_KEY_PIXEL_FORMAT, defaultPixFmt);
(void)OH_AVFormat_SetDoubleValue(format, OH_MD_KEY_FRAME_RATE, defaultFrameRate);
(void)OH_AVFormat_SetLongValue(format, OH_MD_KEY_BITRATE, defaultBitrate);
(void)OH_AVFormat_SetIntValue(format, OH_MD_KEY_I_FRAME_INTERVAL, defaultKeyFrameInterval);
if (defaultBitrateMode == CQ) {
(void)OH_AVFormat_SetIntValue(format, OH_MD_KEY_QUALITY, defaultQuality);
}
(void)OH_AVFormat_SetIntValue(format, OH_MD_KEY_VIDEO_ENCODE_BITRATE_MODE, defaultBitrateMode);
int ret = OH_VideoEncoder_Configure(venc_, format);
OH_AVFormat_Destroy(format);
return ret;
}
int32_t VEncFuzzSample::ConfigureVideoEncoderFuzz(FuzzedDataProvider *fdp)
{
OH_VideoEncoder_Reset(venc_);
OH_AVFormat *format = OH_AVFormat_Create();
if (format == nullptr) {
cout << "Fatal: Failed to create format" << endl;
return AV_ERR_UNKNOWN;
}
defaultWidth = fdp->ConsumeIntegral<uint32_t>();
(void)OH_AVFormat_SetIntValue(format, OH_MD_KEY_WIDTH, defaultWidth);
defaultHeight = fdp->ConsumeIntegral<uint32_t>();
(void)OH_AVFormat_SetIntValue(format, OH_MD_KEY_HEIGHT, defaultHeight);
double frameRate = fdp->ConsumeFloatingPoint<double>();
(void)OH_AVFormat_SetIntValue(format, OH_MD_KEY_PIXEL_FORMAT, (int)frameRate % MAX_PIXEL_FMT);
(void)OH_AVFormat_SetDoubleValue(format, OH_MD_KEY_FRAME_RATE, frameRate);
OH_AVFormat_SetIntValue(format, OH_MD_KEY_RANGE_FLAG, fdp->ConsumeIntegral<uint32_t>());
OH_AVFormat_SetIntValue(format, OH_MD_KEY_COLOR_PRIMARIES, fdp->ConsumeIntegral<uint32_t>());
OH_AVFormat_SetIntValue(format, OH_MD_KEY_TRANSFER_CHARACTERISTICS, fdp->ConsumeIntegral<uint32_t>());
OH_AVFormat_SetIntValue(format, OH_MD_KEY_MATRIX_COEFFICIENTS, fdp->ConsumeIntegral<uint32_t>());
OH_AVFormat_SetIntValue(format, OH_MD_KEY_I_FRAME_INTERVAL, fdp->ConsumeIntegral<uint32_t>());
OH_AVFormat_SetIntValue(format, OH_MD_KEY_VIDEO_ENCODE_BITRATE_MODE, fdp->ConsumeIntegral<uint32_t>());
OH_AVFormat_SetLongValue(format, OH_MD_KEY_BITRATE, fdp->ConsumeIntegral<uint32_t>());
OH_AVFormat_SetIntValue(format, OH_MD_KEY_QUALITY, fdp->ConsumeIntegral<uint32_t>());
int ret = OH_VideoEncoder_Configure(venc_, format);
OH_AVFormat_Destroy(format);
return ret;
}
int32_t VEncFuzzSample::SetVideoEncoderCallback()
{
signal_ = new VEncSignal();
if (signal_ == nullptr) {
cout << "Failed to new VEncSignal" << endl;
return AV_ERR_UNKNOWN;
}
cb_.onError = VencError;
cb_.onStreamChanged = VencFormatChanged;
cb_.onNeedInputData = VencInputDataReady;
cb_.onNeedOutputData = VencOutputDataReady;
return OH_VideoEncoder_SetCallback(venc_, cb_, static_cast<void *>(signal_));
}
void VEncFuzzSample::ReleaseInFile()
{
if (inFile_ != nullptr) {
if (inFile_->is_open()) {
inFile_->close();
}
inFile_.reset();
inFile_ = nullptr;
}
}
void VEncFuzzSample::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_ = nullptr;
}
}
void VEncFuzzSample::GetStride()
{
OH_AVFormat *format = OH_VideoEncoder_GetInputDescription(venc_);
int32_t inputStride = 0;
OH_AVFormat_GetIntValue(format, "stride", &inputStride);
stride_ = inputStride;
OH_AVFormat_Destroy(format);
}
int32_t VEncFuzzSample::OpenFile()
{
if (fuzzMode) {
return AV_ERR_OK;
}
int32_t ret = AV_ERR_OK;
inFile_ = make_unique<ifstream>();
if (inFile_ == nullptr) {
isRunning_.store(false);
(void)OH_VideoEncoder_Stop(venc_);
return AV_ERR_UNKNOWN;
}
inFile_->open(inpDir, ios::in | ios::binary);
if (!inFile_->is_open()) {
cout << "file open fail" << endl;
isRunning_.store(false);
(void)OH_VideoEncoder_Stop(venc_);
inFile_->close();
inFile_.reset();
inFile_ = nullptr;
return AV_ERR_UNKNOWN;
}
return ret;
}
int32_t VEncFuzzSample::StartVideoEncoder()
{
isRunning_.store(true);
int32_t ret = 0;
OH_VideoEncoder_Start(venc_);
OH_VideoEncoder_Stop(venc_);
Flush();
ret = OH_VideoEncoder_Start(venc_);
GetStride();
if (ret != AV_ERR_OK) {
cout << "Failed to start codec" << endl;
isRunning_.store(false);
signal_->inCond_.notify_all();
signal_->outCond_.notify_all();
return ret;
}
if (OpenFile() != AV_ERR_OK) {
return AV_ERR_UNKNOWN;
}
inputLoop_ = make_unique<thread>(&VEncFuzzSample::InputFunc, this);
if (inputLoop_ == nullptr) {
isRunning_.store(false);
(void)OH_VideoEncoder_Stop(venc_);
ReleaseInFile();
return AV_ERR_UNKNOWN;
}
outputLoop_ = make_unique<thread>(&VEncFuzzSample::OutputFunc, this);
if (outputLoop_ == nullptr) {
isRunning_.store(false);
(void)OH_VideoEncoder_Stop(venc_);
ReleaseInFile();
StopInloop();
Release();
return AV_ERR_UNKNOWN;
}
return AV_ERR_OK;
}
int32_t VEncFuzzSample::CreateVideoEncoder(const char *codecName)
{
venc_ = OH_VideoEncoder_CreateByMime("aabbcc");
if (venc_) {
OH_VideoEncoder_Destroy(venc_);
venc_ = nullptr;
}
venc_ = OH_VideoEncoder_CreateByMime(OH_AVCODEC_MIMETYPE_VIDEO_AVC);
if (venc_) {
OH_VideoEncoder_Destroy(venc_);
venc_ = nullptr;
}
venc_ = OH_VideoEncoder_CreateByName("aabbcc");
if (venc_) {
OH_VideoEncoder_Destroy(venc_);
venc_ = nullptr;
}
venc_ = OH_VideoEncoder_CreateByName(codecName);
g_encSample = this;
return venc_ == nullptr ? AV_ERR_UNKNOWN : AV_ERR_OK;
}
void VEncFuzzSample::WaitForEOS()
{
if (inputLoop_)
inputLoop_->join();
if (outputLoop_)
outputLoop_->join();
inputLoop_ = nullptr;
outputLoop_ = nullptr;
}
uint32_t VEncFuzzSample::ReturnZeroIfEOS(uint32_t expectedSize)
{
if (inFile_->gcount() != (expectedSize)) {
cout << "no more data" << endl;
return 0;
}
return 1;
}
uint32_t VEncFuzzSample::ReadOneFrameYUV420SP(uint8_t *dst)
{
uint8_t *start = dst;
for (uint32_t i = 0; i < defaultHeight; i++) {
inFile_->read(reinterpret_cast<char *>(dst), defaultWidth);
if (!ReturnZeroIfEOS(defaultWidth)) {
return 0;
}
dst += stride_;
}
for (uint32_t i = 0; i < defaultHeight / sampleRatio; i++) {
inFile_->read(reinterpret_cast<char *>(dst), defaultWidth);
if (!ReturnZeroIfEOS(defaultWidth)) {
return 0;
}
dst += stride_;
}
return dst - start;
}
void VEncFuzzSample::ReadOneFrameRGBA8888(uint8_t *dst)
{
for (uint32_t i = 0; i < defaultHeight; i++) {
inFile_->read(reinterpret_cast<char *>(dst), defaultWidth * RGBA_SIZE);
dst += stride_;
}
}
void VEncFuzzSample::SetEOS(uint32_t index)
{
OH_AVCodecBufferAttr attr;
attr.pts = 0;
attr.size = 0;
attr.offset = 0;
attr.flags = AVCODEC_BUFFER_FLAGS_EOS;
int32_t res = OH_VideoEncoder_PushInputData(venc_, index, attr);
cout << "OH_VideoEncoder_PushInputData EOS res: " << res << endl;
unique_lock<mutex> lock(signal_->inMutex_);
signal_->inIdxQueue_.pop();
signal_->inBufferQueue_.pop();
}
void VEncFuzzSample::SetForceIDR()
{
OH_AVFormat *format = OH_AVFormat_Create();
OH_AVFormat_SetIntValue(format, OH_MD_KEY_REQUEST_I_FRAME, 1);
OH_VideoEncoder_SetParameter(venc_, format);
OH_AVFormat_Destroy(format);
}
int32_t VEncFuzzSample::PushData(OH_AVMemory *buffer, uint32_t index, int32_t &result)
{
int32_t res = -2;
OH_AVCodecBufferAttr attr;
uint8_t *fileBuffer = OH_AVMemory_GetAddr(buffer);
if (fileBuffer == nullptr) {
cout << "Fatal: no memory" << endl;
return -1;
}
int32_t size = OH_AVMemory_GetSize(buffer);
if (defaultPixFmt == AV_PIXEL_FORMAT_RGBA) {
if (size < defaultHeight * stride_) {
return -1;
}
ReadOneFrameRGBA8888(fileBuffer);
attr.size = stride_ * defaultHeight;
} else {
if (size < (defaultHeight * stride_ + (defaultHeight * stride_ / DOUBLE))) {
return -1;
}
attr.size = ReadOneFrameYUV420SP(fileBuffer);
}
if (inFile_->eof()) {
SetEOS(index);
return 0;
}
attr.pts = GetSystemTimeUs();
attr.offset = 0;
attr.flags = AVCODEC_BUFFER_FLAGS_NONE;
if (enableForceIDR && (frameCount % IDR_FRAME_INTERVAL == 0)) {
SetForceIDR();
}
result = OH_VideoEncoder_PushInputData(venc_, index, attr);
unique_lock<mutex> lock(signal_->inMutex_);
signal_->inIdxQueue_.pop();
signal_->inBufferQueue_.pop();
return res;
}
int32_t VEncFuzzSample::CheckResult(bool isRandomEosSuccess, int32_t pushResult)
{
if (isRandomEosSuccess) {
if (pushResult == 0) {
errCount = errCount + 1;
cout << "push input after eos should be failed! pushResult:" << pushResult << endl;
}
return -1;
} else if (pushResult != 0) {
errCount = errCount + 1;
cout << "push input data failed, error:" << pushResult << endl;
return -1;
}
return 0;
}
void VEncFuzzSample::InputDataFuzz(bool &runningFlag, uint32_t index)
{
frameCount++;
if (frameCount == defaultFuzzTime) {
SetEOS(index);
runningFlag = false;
return;
}
OH_AVCodecBufferAttr attr;
attr.pts = GetSystemTimeUs();
attr.offset = 0;
attr.flags = AVCODEC_BUFFER_FLAGS_NONE;
OH_VideoEncoder_PushInputData(venc_, index, attr);
unique_lock<mutex> lock(signal_->inMutex_);
signal_->inIdxQueue_.pop();
signal_->inBufferQueue_.pop();
}
void VEncFuzzSample::InputFunc()
{
errCount = 0;
bool runningFlag = true;
while (runningFlag) {
if (!isRunning_.load()) {
break;
}
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;
}
uint32_t index = signal_->inIdxQueue_.front();
lock.unlock();
InputDataFuzz(runningFlag, index);
if (sleepOnFPS) {
usleep(FRAME_INTERVAL);
}
}
}
int32_t VEncFuzzSample::CheckAttrFlag(OH_AVCodecBufferAttr attr)
{
if (attr.flags & AVCODEC_BUFFER_FLAGS_EOS) {
cout << "attr.flags == AVCODEC_BUFFER_FLAGS_EOS" << endl;
unique_lock<mutex> inLock(signal_->inMutex_);
isRunning_.store(false);
signal_->inCond_.notify_all();
signal_->outCond_.notify_all();
inLock.unlock();
return -1;
}
if (attr.flags == AVCODEC_BUFFER_FLAGS_CODEC_DATA) {
cout << "enc AVCODEC_BUFFER_FLAGS_CODEC_DATA" << attr.pts << endl;
}
outCount = outCount + 1;
return 0;
}
void VEncFuzzSample::OutputFuncFail()
{
cout << "errCount > 0" << endl;
unique_lock<mutex> inLock(signal_->inMutex_);
isRunning_.store(false);
signal_->inCond_.notify_all();
signal_->outCond_.notify_all();
inLock.unlock();
(void)Stop();
Release();
}
void VEncFuzzSample::OutputFunc()
{
FILE *outFile = fopen(outDir, "wb");
while (true) {
if (!isRunning_.load()) {
break;
}
OH_AVCodecBufferAttr attr;
uint32_t index;
unique_lock<mutex> lock(signal_->outMutex_);
signal_->outCond_.wait(lock, [this]() {
if (!isRunning_.load()) {
return true;
}
return signal_->outIdxQueue_.size() > 0;
});
if (!isRunning_.load()) {
break;
}
index = signal_->outIdxQueue_.front();
attr = signal_->attrQueue_.front();
OH_AVMemory *buffer = signal_->outBufferQueue_.front();
signal_->outBufferQueue_.pop();
signal_->outIdxQueue_.pop();
signal_->attrQueue_.pop();
lock.unlock();
if (CheckAttrFlag(attr) == -1) {
break;
}
int size = attr.size;
if (outFile == nullptr) {
cout << "dump data fail" << endl;
} else {
fwrite(OH_AVMemory_GetAddr(buffer), 1, size, outFile);
}
if (OH_VideoEncoder_FreeOutputData(venc_, index) != AV_ERR_OK) {
cout << "Fatal: ReleaseOutputBuffer fail" << endl;
errCount = errCount + 1;
}
if (errCount > 0) {
OutputFuncFail();
break;
}
}
if (outFile) {
(void)fclose(outFile);
}
}
int32_t VEncFuzzSample::Flush()
{
unique_lock<mutex> inLock(signal_->inMutex_);
clearIntqueue(signal_->inIdxQueue_);
signal_->inCond_.notify_all();
inLock.unlock();
unique_lock<mutex> outLock(signal_->outMutex_);
clearIntqueue(signal_->outIdxQueue_);
clearBufferqueue(signal_->attrQueue_);
signal_->outCond_.notify_all();
outLock.unlock();
return OH_VideoEncoder_Flush(venc_);
}
int32_t VEncFuzzSample::Reset()
{
isRunning_.store(false);
StopInloop();
StopOutloop();
ReleaseInFile();
return OH_VideoEncoder_Reset(venc_);
}
int32_t VEncFuzzSample::Release()
{
int ret = OH_VideoEncoder_Destroy(venc_);
venc_ = nullptr;
if (signal_ != nullptr) {
delete signal_;
signal_ = nullptr;
}
return ret;
}
int32_t VEncFuzzSample::Stop()
{
StopInloop();
clearIntqueue(signal_->outIdxQueue_);
clearBufferqueue(signal_->attrQueue_);
ReleaseInFile();
return OH_VideoEncoder_Stop(venc_);
}
int32_t VEncFuzzSample::Start()
{
return OH_VideoEncoder_Start(venc_);
}
void VEncFuzzSample::StopOutloop()
{
if (outputLoop_ != nullptr && outputLoop_->joinable()) {
unique_lock<mutex> lock(signal_->outMutex_);
clearIntqueue(signal_->outIdxQueue_);
clearBufferqueue(signal_->attrQueue_);
signal_->outCond_.notify_all();
lock.unlock();
}
}
int32_t VEncFuzzSample::SetParameter(OH_AVFormat *format)
{
if (venc_) {
return OH_VideoEncoder_SetParameter(venc_, format);
}
return AV_ERR_UNKNOWN;
}
