a359bb4f
Hu Chunming
调通可正常运行 -- 初版
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#include "FFNvDecoderManager.h"
#include <iostream>
#include <thread>
#include <chrono>
#include "check_tool.h"
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#include "cuda_kernels.h"
#include "NvJpegEncoder.h"
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#include "opencv2\opencv.hpp"
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using namespace std;
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using namespace cv;
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unsigned char *pHwRgb[2] = {nullptr, nullptr};
int sum1 = 0;
int sum2 = 0;
mutex m_mutex;
void saveFrame(AVFrame * gpuFrame, string file_name) {
std::lock_guard<std::mutex> l(m_mutex);
unsigned char *pHwData = nullptr;
cudaError_t cudaStatus = cudaMalloc((void **)&pHwData, 3 * gpuFrame->width * gpuFrame->height * sizeof(unsigned char));
cuda_common::setColorSpace(ITU709, 0);
cudaStatus = cuda_common::CUDAToBGR((CUdeviceptr)gpuFrame->data[0], (CUdeviceptr)gpuFrame->data[1], gpuFrame->linesize[0], gpuFrame->linesize[1], pHwData, gpuFrame->width, gpuFrame->height);
cudaDeviceSynchronize();
if (cudaStatus != cudaSuccess) {
cout << "CUDAToBGR failed !!!" << endl;
return;
}
string path = file_name + ".jpg";
saveJpeg(path.c_str(), pHwData, gpuFrame->width, gpuFrame->height, nullptr); // 验证 CUDAToRGB
cudaDeviceSynchronize();
cudaFree(pHwData);
pHwData = nullptr;
}
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mutex m_mutex_show;
void showFrame(AVFrame * gpuFrame) {
std::lock_guard<std::mutex> l(m_mutex_show);
unsigned char *pHwData = nullptr;
cudaError_t cudaStatus = cudaMalloc((void **)&pHwData, 3 * gpuFrame->width * gpuFrame->height * sizeof(unsigned char));
cuda_common::setColorSpace(ITU709, 0);
cudaStatus = cuda_common::CUDAToBGR((CUdeviceptr)gpuFrame->data[0], (CUdeviceptr)gpuFrame->data[1], gpuFrame->linesize[0], gpuFrame->linesize[1], pHwData, gpuFrame->width, gpuFrame->height);
cudaDeviceSynchronize();
if (cudaStatus != cudaSuccess) {
cout << "CUDAToBGR failed !!!" << endl;
return;
}
unsigned char * pHwRgb = pHwData;
int channel = 3;
int width = gpuFrame->width;
int height = gpuFrame->height;
if (pHwRgb != nullptr && channel > 0 && width > 0 && height > 0) {
int nSize = channel * height * width;
unsigned char* cpu_data = new unsigned char[nSize];
cudaMemcpy(cpu_data, pHwRgb, nSize * sizeof(unsigned char), cudaMemcpyDeviceToHost);
cudaDeviceSynchronize();
cv::Mat img_(height, width, CV_8UC3, cpu_data);
bool bWrite = cv::imwrite("dec0.jpg", img_);
imshow("show", img_);
waitKey(0);
delete[] cpu_data;
cpu_data = nullptr;
}
cudaFree(pHwData);
pHwData = nullptr;
}
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/**
* 注意: gpuFrame 在解码器设置的显卡上,后续操作要十分注意这一点,尤其是多线程情况
* */
void postDecoded(const void * userPtr, AVFrame * gpuFrame){
FFNvDecoder* decoder = (FFNvDecoder*)userPtr;
if (decoder!= nullptr)
{
// cout << "decode name: " << decoder->getName() << endl;
// const char* gpu_pixfmt = av_get_pix_fmt_name((AVPixelFormat)gpuFrame->format);
// cout << "pixfmt: " << gpu_pixfmt << endl;
// cout << "keyframe: " << gpuFrame->key_frame << " width: " << gpuFrame->width << " height: "<< gpuFrame->height << endl;
// cout << "decode successed ✿✿ヽ(°▽°)ノ✿ " << endl;
if (gpuFrame->format == AV_PIX_FMT_CUDA)
{
// cout << "gpuid = " << atoi(decoder->m_cfg.gpuid.c_str()) << endl;
cudaSetDevice(atoi(decoder->m_cfg.gpuid.c_str()));
saveFrame(gpuFrame, decoder->getName());
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showFrame(gpuFrame);
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}
}
}
long long start_time = 0;
long long end_time = 0;
bool count_flag = false;
int count_num = 0;
int count_std = 100;
static long long get_cur_time(){
// 获取操作系统当前时间点(精确到微秒)
chrono::time_point<chrono::system_clock, chrono::milliseconds> tpMicro
= chrono::time_point_cast<chrono::milliseconds>(chrono::system_clock::now());
// (微秒精度的)时间点 => (微秒精度的)时间戳
return tpMicro.time_since_epoch().count();
}
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static int suming = 0;
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unsigned char *pHwData = nullptr;
void postDecoded0(const void * userPtr, AVFrame * gpuFrame){
// std::this_thread::sleep_for(std::chrono::milliseconds(30000));
FFNvDecoder* decoder = (FFNvDecoder*)userPtr;
if (decoder!= nullptr)
{
// cout << "decode name: " << decoder->getName() << endl;
if (decoder->getName() == "dec")
{
if (! count_flag)
{
count_flag = true;
count_num = 0;
end_time = start_time = get_cur_time();
}
count_num++;
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suming ++ ;
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if (count_num >= count_std)
{
// end_time = get_cur_time();
// long time_using = end_time - start_time;
// double time_per_frame = double(time_using)/count_std ;
// cout << count_std << "帧用时:" << time_using << "ms 每帧用时:" << time_per_frame << "ms" << endl;
cout << "keyframe: " << gpuFrame->key_frame << " width: " << gpuFrame->width << " height: "<< gpuFrame->height << endl;
count_flag = false;
}
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cout << "帧数:" << suming << endl;
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}
}
}
void decode_finished_cbk(const void* userPtr){
cout << "decode_finish timestamp: " << get_cur_time() << endl;
}
// string test_uri = "rtmp://192.168.10.56:1935/objecteye/1";
// string test_uri = "/home/cmhu/data/output_800x480.mp4";
// string test_uri = "/home/cmhu/data/output_1920x1080.mp4";
// string test_uri = "rtsp://176.10.0.2:8554/stream";
// string test_uri = "/mnt/f/fiss/test_data/h265.mp4";
string test_uri = "rtsp://176.10.0.4:8554/stream";
void createDecode(int index){
FFNvDecoderManager* pDecManager = FFNvDecoderManager::getInstance();
MgrDecConfig config;
config.name = "dec" + to_string(index);
config.cfg.uri = test_uri;
config.cfg.post_decoded_cbk = postDecoded;
config.cfg.decode_finished_cbk = decode_finished_cbk;
config.cfg.force_tcp = true;
if (index % 2 == 0)
{
config.cfg.gpuid = "0";
}
else
{
config.cfg.gpuid = "0";
}
FFNvDecoder* decoder = pDecManager->createDecoder(config);
if (!decoder)
{
return ;
}
pDecManager->setUserPtr(config.name, decoder);
pDecManager->startDecodeByName(config.name);
}
void logFF(void *, int level, const char *fmt, va_list ap)
{
vfprintf(stdout, fmt, ap);
}
int main(int argc, char* argv[]) {
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调通可正常运行 -- 初版
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printf("start \n");
if (argc != 3) {
fprintf(stderr, "./xxx uri gpu_id\n");
return -1;
}
char* uri = argv[1];
char* gpuid = argv[2];
cout << av_version_info() << endl;
//evalQuality(uri, gpuid);
// av_log_set_callback(&logFF);
FFNvDecoderManager* pDecManager = FFNvDecoderManager::getInstance();
// int count = 99;
// for (size_t i = 0; i < count ; i++)
// {
// createDecode(i);
// }
MgrDecConfig config;
config.name = "dec";
config.cfg.uri = uri;
config.cfg.post_decoded_cbk = postDecoded;
config.cfg.decode_finished_cbk = decode_finished_cbk;
config.cfg.force_tcp = true;
config.cfg.gpuid = "0";
FFNvDecoder* dec2 = pDecManager->createDecoder(config);
if (!dec2)
{
return 1;
}
pDecManager->setUserPtr(config.name, dec2);
// pDecManager->setDecKeyframe(config.name, true);
pDecManager->startDecodeByName(config.name);
int w,h;
pDecManager->getResolution(config.name, w,h);
printf( "%s : %dx%d\n", config.name.c_str() , w,h );
thread* m_thread = new thread([](void* arg)
{
while (true)
{
std::this_thread::sleep_for(std::chrono::milliseconds(5000));
FFNvDecoderManager* pDecManager = FFNvDecoderManager::getInstance();
int count = pDecManager->count();
cout << "当前运行路数: " << pDecManager->count() << endl;
}
return (void*)0;
}
, nullptr);
while (getchar() != 'q');
cout << "总共帧数:" << sum << endl;
pDecManager->closeAllDecoder();
}
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