* 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 "iconsumer_surface.h"
#include "native_buffer_inner.h"
#include "videoenc_api11_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 DEFAULT_BITRATE = 10000000;
constexpr uint32_t DOUBLE = 2;
constexpr uint32_t THREE = 3;
sptr<Surface> cs = nullptr;
sptr<Surface> ps = nullptr;
VEncAPI11FuzzSample *g_vEncSample = nullptr;
}
VEncAPI11FuzzSample::~VEncAPI11FuzzSample()
{
if (surfInput && nativeWindow) {
OH_NativeWindow_DestroyNativeWindow(nativeWindow);
nativeWindow = nullptr;
}
Release();
}
static void VencError(OH_AVCodec *codec, int32_t errorCode, void *userData)
{
cout << "Error errorCode=" << errorCode << endl;
g_vEncSample->isRunning_.store(false);
g_vEncSample->signal_->inCond_.notify_all();
}
static void VencFormatChanged(OH_AVCodec *codec, OH_AVFormat *format, void *userData)
{
cout << "Format Changed" << endl;
}
static void onEncInputBufferAvailable(OH_AVCodec *codec, uint32_t index, OH_AVBuffer *buffer, void *userData)
{
VEncSignal *signal = static_cast<VEncSignal *>(userData);
unique_lock<mutex> lock(signal->inMutex_);
signal->inIdxQueue_.push(index);
signal->inBufferQueue_.push(buffer);
signal->inCond_.notify_all();
}
static void onEncOutputBufferAvailable(OH_AVCodec *codec, uint32_t index, OH_AVBuffer *buffer, void *userData)
{
OH_VideoEncoder_FreeOutputBuffer(codec, index);
}
static void onEncInputParam(OH_AVCodec *codec, uint32_t index, OH_AVFormat *parameter, void *userData)
{
OH_AVFormat_SetIntValue(parameter, OH_MD_KEY_BITRATE, DEFAULT_BITRATE);
OH_VideoEncoder_PushInputParameter(codec, index);
return;
}
int64_t VEncAPI11FuzzSample::GetSystemTimeUs()
{
struct timespec now;
(void)clock_gettime(CLOCK_BOOTTIME, &now);
int64_t nanoTime = reinterpret_cast<int64_t>(now.tv_sec) * NANOS_IN_SECOND + now.tv_nsec;
return nanoTime / NANOS_IN_MICRO;
}
int32_t VEncAPI11FuzzSample::ConfigureVideoEncoder()
{
OH_AVFormat *format = OH_AVFormat_Create();
if (format == nullptr) {
return AV_ERR_UNKNOWN;
}
OH_AVFormat_SetIntValue(format, OH_MD_KEY_PROFILE, HEVC_PROFILE_MAIN);
(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_SetIntValue(format, OH_MD_KEY_I_FRAME_INTERVAL, defaultKeyFrameInterval);
if (defaultBitRate == CQ) {
(void)OH_AVFormat_SetIntValue(format, OH_MD_KEY_QUALITY, defaultQuality);
} else {
(void)OH_AVFormat_SetLongValue(format, OH_MD_KEY_VIDEO_ENCODE_BITRATE_MODE, defaultBitRate);
}
(void)OH_AVFormat_SetIntValue(format, OH_MD_KEY_VIDEO_ENCODE_BITRATE_MODE, defaultBitrateMode);
if (enableRepeat) {
OH_AVFormat_SetIntValue(format, OH_MD_KEY_VIDEO_ENCODER_REPEAT_PREVIOUS_FRAME_AFTER, 1);
if (setMaxCount) {
OH_AVFormat_SetIntValue(format, OH_MD_KEY_VIDEO_ENCODER_REPEAT_PREVIOUS_MAX_COUNT, 1);
}
}
int ret = OH_VideoEncoder_Configure(venc_, format);
OH_AVFormat_Destroy(format);
return ret;
}
int32_t VEncAPI11FuzzSample::SetVideoEncoderCallback()
{
signal_ = new VEncSignal();
if (signal_ == nullptr) {
cout << "Failed to new VEncSignal" << endl;
return AV_ERR_UNKNOWN;
}
if (surfInput) {
int32_t ret = OH_VideoEncoder_RegisterParameterCallback(venc_, onEncInputParam, static_cast<void *>(this));
if (ret != AV_ERR_OK) {
return ret;
}
}
cb_.onError = VencError;
cb_.onStreamChanged = VencFormatChanged;
cb_.onNeedInputBuffer = onEncInputBufferAvailable;
cb_.onNewOutputBuffer = onEncOutputBufferAvailable;
return OH_VideoEncoder_RegisterCallback(venc_, cb_, static_cast<void *>(signal_));
}
int32_t VEncAPI11FuzzSample::CreateSurface()
{
int32_t ret = 0;
ret = OH_VideoEncoder_GetSurface(venc_, &nativeWindow);
if (ret != AV_ERR_OK) {
cout << "OH_VideoEncoder_GetSurface fail" << endl;
return ret;
}
ret = OH_NativeWindow_NativeWindowHandleOpt(nativeWindow, SET_FORMAT, GRAPHIC_PIXEL_FMT_YCBCR_420_SP);
if (ret != AV_ERR_OK) {
cout << "NativeWindowHandleOpt SET_FORMAT fail" << endl;
return ret;
}
ret = OH_NativeWindow_NativeWindowHandleOpt(nativeWindow, SET_BUFFER_GEOMETRY, defaultWidth, defaultHeight);
if (ret != AV_ERR_OK) {
cout << "NativeWindowHandleOpt SET_BUFFER_GEOMETRY fail" << endl;
return ret;
}
return AV_ERR_OK;
}
int32_t VEncAPI11FuzzSample::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;
}
void VEncAPI11FuzzSample::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 VEncAPI11FuzzSample::StartVideoEncoder()
{
isRunning_.store(true);
int32_t ret = 0;
if (surfInput) {
ret = CreateSurface();
if (ret != AV_ERR_OK) {
return ret;
}
}
if (OpenFile() != AV_ERR_OK) {
return AV_ERR_UNKNOWN;
}
ret = OH_VideoEncoder_Start(venc_);
GetStride();
if (ret != AV_ERR_OK) {
isRunning_.store(false);
signal_->inCond_.notify_all();
return ret;
}
if (surfInput) {
inputLoop_ = make_unique<thread>(&VEncAPI11FuzzSample::InputFuncSurface, this);
} else {
inputLoop_ = make_unique<thread>(&VEncAPI11FuzzSample::InputFunc, this);
}
if (inputLoop_ == nullptr) {
isRunning_.store(false);
(void)OH_VideoEncoder_Stop(venc_);
return AV_ERR_UNKNOWN;
}
return AV_ERR_OK;
}
int32_t VEncAPI11FuzzSample::CreateVideoEncoder()
{
venc_ = OH_VideoEncoder_CreateByMime(OH_AVCODEC_MIMETYPE_VIDEO_HEVC);
g_vEncSample = this;
return venc_ == nullptr ? AV_ERR_UNKNOWN : AV_ERR_OK;
}
void VEncAPI11FuzzSample::WaitForEOS()
{
if (inputLoop_)
inputLoop_->join();
inputLoop_ = nullptr;
}
uint32_t VEncAPI11FuzzSample::FlushSurf(OHNativeWindowBuffer *ohNativeWindowBuffer, OH_NativeBuffer *nativeBuffer)
{
struct Region region;
struct Region::Rect *rect = new Region::Rect();
rect->x = 0;
rect->y = 0;
rect->w = defaultWidth;
rect->h = defaultHeight;
region.rects = rect;
NativeWindowHandleOpt(nativeWindow, SET_UI_TIMESTAMP, GetSystemTimeUs());
int32_t err = OH_NativeBuffer_Unmap(nativeBuffer);
if (err != 0) {
return 1;
}
err = OH_NativeWindow_NativeWindowFlushBuffer(nativeWindow, ohNativeWindowBuffer, -1, region);
delete rect;
if (err != 0) {
return 1;
}
return 0;
}
void VEncAPI11FuzzSample::InputFuncSurface()
{
while (isRunning_.load()) {
OHNativeWindowBuffer *ohNativeWindowBuffer;
int fenceFd = -1;
if (nativeWindow == nullptr) {
cout << "nativeWindow == nullptr" << endl;
isRunning_.store(false);
break;
}
int32_t err = OH_NativeWindow_NativeWindowRequestBuffer(nativeWindow, &ohNativeWindowBuffer, &fenceFd);
if (err != 0) {
cout << "RequestBuffer failed, GSError=" << err << endl;
isRunning_.store(false);
break;
}
if (fenceFd > 0) {
close(fenceFd);
}
OH_NativeBuffer *nativeBuffer = OH_NativeBufferFromNativeWindowBuffer(ohNativeWindowBuffer);
void *virAddr = nullptr;
OH_NativeBuffer_Config config;
OH_NativeBuffer_GetConfig (nativeBuffer, &config);
err = OH_NativeBuffer_Map(nativeBuffer, &virAddr);
if (err != 0) {
cout << "OH_NativeBuffer_Map failed, GSError=" << err << endl;
isRunning_.store(false);
break;
}
uint8_t *dst = (uint8_t *)virAddr;
if (dst == nullptr) {
break;
}
if (memcpy_s(dst, (config.stride * config.height * THREE) / DOUBLE, fuzzData, fuzzSize) != EOK) {
break;
}
if (frameCount == maxFrameInput) {
err = OH_VideoEncoder_NotifyEndOfStream(venc_);
if (err != 0) {
cout << "OH_VideoEncoder_NotifyEndOfStream failed" << endl;
isRunning_.store(false);
}
break;
}
if (FlushSurf(ohNativeWindowBuffer, nativeBuffer)) {
break;
}
usleep(FRAME_INTERVAL);
frameCount++;
}
}
void VEncAPI11FuzzSample::SetEOS(uint32_t index, OH_AVBuffer *buffer)
{
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_VideoEncoder_PushInputBuffer(venc_, index);
cout << "OH_VideoEncoder_PushInputBuffer EOS res: " << res << endl;
unique_lock<mutex> lock(signal_->inMutex_);
}
void VEncAPI11FuzzSample::InputFunc()
{
errCount = 0;
while (isRunning_.load()) {
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();
auto buffer = signal_->inBufferQueue_.front();
signal_->inIdxQueue_.pop();
signal_->inBufferQueue_.pop();
lock.unlock();
OH_AVCodecBufferAttr attr;
int32_t bufferSize = OH_AVBuffer_GetCapacity(buffer);
uint8_t *fileBuffer = OH_AVBuffer_GetAddr(buffer);
if (fileBuffer == nullptr) {
break;
}
if (memcpy_s(fileBuffer, bufferSize, fuzzData, fuzzSize) != EOK) {
cout << "Fatal: memcpy fail" << endl;
break;
}
attr.size = fuzzSize;
if (frameCount == maxFrameInput) {
SetEOS(index, buffer);
break;
}
attr.pts = GetSystemTimeUs();
attr.offset = 0;
attr.flags = AVCODEC_BUFFER_FLAGS_NONE;
OH_AVBuffer_SetBufferAttr(buffer, &attr);
OH_VideoEncoder_PushInputBuffer(venc_, index);
frameCount++;
if (sleepOnFPS) {
usleep(FRAME_INTERVAL);
}
}
}
int32_t VEncAPI11FuzzSample::Release()
{
int ret = OH_VideoEncoder_Destroy(venc_);
venc_ = nullptr;
if (signal_ != nullptr) {
delete signal_;
signal_ = nullptr;
}
return ret;
}
int32_t VEncAPI11FuzzSample::SetParameter(int32_t data, int32_t data1)
{
if (venc_) {
OH_AVFormat *format = OH_AVFormat_Create();
if (format == nullptr) {
return AV_ERR_UNKNOWN;
}
double frameRate = data;
(void)OH_AVFormat_SetDoubleValue(format, OH_MD_KEY_FRAME_RATE, frameRate);
OH_AVFormat_SetLongValue(format, OH_MD_KEY_BITRATE, data1);
int ret = OH_VideoEncoder_SetParameter(venc_, format);
OH_AVFormat_Destroy(format);
return ret;
}
return AV_ERR_UNKNOWN;
}
