test_decoder.cpp
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#include "./interface/DecoderManager.h"
#include <mutex>
#include <thread>
#include <chrono>
using namespace std;
struct decode_cbk_userdata{
string task_id;
void* opaque;
void* opaque1;
};
deque<DeviceMemory*> m_RgbDataList;
mutex m_DataListMtx;
thread* m_pAlgorthimThread{nullptr};
bool m_bfinish{false};
int m_devId = 0;
const char* task_id = "test0";
int skip_frame_ = 5;
int m_batch_size = 20;
void algorthim_process_thread();
void post_decod_cbk(const void * userPtr, DeviceMemory* devFrame){
do{
if(m_bfinish){
break;
}
m_DataListMtx.lock();
if(m_RgbDataList.size() >= 30){
m_DataListMtx.unlock();
std::this_thread::sleep_for(std::chrono::milliseconds(3));
continue;
}
m_RgbDataList.push_back(devFrame);
m_DataListMtx.unlock();
break;
}while (true);
}
void decode_finished_cbk(const void * userPtr){
decode_cbk_userdata* ptr = (decode_cbk_userdata*)userPtr;
if (ptr!= nullptr){
printf("task finished: %s \n", ptr->task_id.c_str());
}
delete ptr;
ptr = nullptr;
}
int main(){
// 创建解码任务
DecoderManager* pDecManager = DecoderManager::getInstance();
MgrDecConfig config;
config.name = task_id;
config.cfg.uri = "/data/share/data/Street.uvf";
config.cfg.post_decoded_cbk = post_decod_cbk;
config.cfg.decode_finished_cbk = decode_finished_cbk;
config.cfg.force_tcp = true; // rtsp用tcp
config.cfg.gpuid = to_string(m_devId);
config.cfg.skip_frame = skip_frame_;
config.dec_type = DECODER_TYPE_DVPP;
AbstractDecoder* dec = pDecManager->createDecoder(config);
if (!dec){
printf("创建解码器失败 \n");
return false;
}
decode_cbk_userdata* userPtr = new decode_cbk_userdata;
userPtr->task_id = string(task_id);
pDecManager->setPostDecArg(config.name, userPtr);
pDecManager->setFinishedDecArg(config.name, userPtr);
int input_image_width = 0;
int input_image_height = 0;
pDecManager->getResolution(config.name, input_image_width, input_image_height);
// 创建算法线程
m_pAlgorthimThread = new thread([](void* arg) {
algorthim_process_thread();
return (void*)0;
}
, nullptr);
pDecManager->startDecodeByName(config.name);
while (getchar() != 'q');
}
void do_work(vector<DeviceMemory*> vec_gpuMem){
for(int i=0;i < vec_gpuMem.size(); i++){
DeviceMemory* mem = vec_gpuMem[i];
printf("width:%d height:%d ts:%lld \n", mem->getWidth(), mem->getHeight(), mem->getTimesstamp());
}
}
void algorthim_process_thread(){
while (true){
if(m_bfinish){
break;
}
vector<DeviceMemory*> vec_gpuMem;
m_DataListMtx.lock();
while (!m_RgbDataList.empty()){
DeviceMemory* gpuMem = m_RgbDataList.front();
if(gpuMem->getMem() == nullptr){
// 错误数据，直接删除
delete gpuMem;
gpuMem = nullptr;
printf("mem is null \n");
} else {
vec_gpuMem.push_back(gpuMem);
}
m_RgbDataList.pop_front();
if(vec_gpuMem.size() >= m_batch_size){
break;
}
}
m_DataListMtx.unlock();
if(vec_gpuMem.size() <= 0){
std::this_thread::sleep_for(std::chrono::milliseconds(3));
continue;
}
// do work
do_work(vec_gpuMem);
for(int i=0;i < vec_gpuMem.size(); i++){
DeviceMemory* mem = vec_gpuMem[i];
if(mem->getSize() <= 0){
continue;
}
delete mem;
mem = nullptr;
}
vec_gpuMem.clear();
}
printf("algorthim_process_thread exit. \n");
}