QT+OPENGL 多线程测试

#include <QtWidgets> #include <stdlib.h> #include <stdio.h> #include "threadtime.h" #include "threadgl.h" #include "threaddraw.h" #include "glwidget.h" #include "window.h" Window::Window(char *strFormal, char *strTime, char *strNum) { m_nLoop = 0; m_bEndFlag = true; m_nFlag = RGBA; m_nTime = 10; m_nPth = 5; m_type = 1; if(strFormal != NULL && strTime != NULL && strNum != NULL) { if(strcmp(strFormal, "RGBA") == 0) { m_nFlag = RGBA; } if(strcmp(strFormal, "YUY2") == 0) { m_nFlag = YUY2; } m_nTime = atoi(strTime); m_nPth = atoi(strNum); } else { m_nFlag = WRONG; m_nTime = WRONG; m_nPth = WRONG; } ReadImageOne(); QGridLayout *mainLayout = new QGridLayout; m_glWidgets = new GLWidget(m_nPth, 0, 0); mainLayout -> addWidget(m_glWidgets, 0, 0); //first call initresizeGL setLayout(mainLayout); setWindowTitle(tr("test")); m_pTime = new ThreadTime(0); m_pDraw = new ThreadDraw(0); for(int i = 0; i < m_nPth; i++) { m_pcopyGl[i] = new ThreadGl(0); m_pcopyGl[i] -> glInit(i, m_glWidgets, m_pImage, m_nFlag); m_pcopyGl[i] -> start(); } m_pTime -> StartTime(m_nTime, m_pDraw, m_glWidgets, m_pcopyGl, m_nPth); m_pDraw -> DrawInit(m_glWidgets); m_pTime -> start(); m_pDraw -> start(); } void Window::ReadImageOne() { if(m_nFlag == RGBA) { DrawRgb(); } else if(m_nFlag == YUY2) { DrawYuv(); } else { printf("order woring\n"); exit(1); } } void Window::DrawRgb() { m_pImage = (uchar*)malloc(1920 * 1080 * 4); if(m_pImage == NULL) { return; } memset(m_pImage, 0, 1920 * 1080 *4); int i, j; uchar cRed, cGreen, cBlue; for(i = 0; i < 1080; i++) { for(j = 0; j < 1920; j++) { if(0 <j && j < 320) { cRed = 220; cGreen = 20; cBlue = 60; } if(320 < j && j < 640) { cRed = 139; cGreen = 0; cBlue = 139; } if(640 < j && j < 960) { cRed = 65; cGreen = 105; cBlue = 225; } if(960 < j && j < 1280) { cRed = 0; cGreen = 255; cBlue = 127; } if(1280 < j && j < 1600) { cRed = 255; cGreen = 215; cBlue = 0; } if(1600 < j && j < 1920) { cRed = 210; cGreen = 105; cBlue = 30; } *(m_pImage + i * 1920 * 4 + j * 4 + 0) = cRed; *(m_pImage + i * 1920 * 4 + j * 4 + 1) = cGreen; *(m_pImage + i * 1920 * 4 + j * 4 + 2) = cBlue; *(m_pImage + i * 1920 * 4 + j * 4 + 3) = 255; } } } void Window::DrawYuv() { m_pImage = (uchar*)malloc(1920 * 1080 * 2); if(m_pImage == NULL) { return; } memset(m_pImage, 0, 1920 * 1080 * 2); /* int i, j; uchar cA; for(i = 0; i < 1080; i++) { for(j = 0; j < 1920; j++) { if(0 <j && j < 320) { cA = 128; } if(320 < j && j < 640) { cA = 0; } if(640 < j && j < 960) { cA = 128; } if(960 < j && j < 1280) { cA = 0; } if(1280 < j && j < 1600) { cA = 128; } if(1600 < j && j < 1920) { cA = 0; } *(m_pImage + i * 1920 * 2 + j * 2 + 0) = cA; *(m_pImage + i * 1920 * 2 + j * 2 + 1) = 255; } } */ FILE* pFile = fopen("/home/zkb/d7/build-testv3-Desktop_Qt_5_0_2_GCC_64bit-Debug/test-mmap.yuv", "rb"); if(pFile == NULL) { qDebug("file open fail!\n"); return; } int readSucced = fread(m_pImage, sizeof(uchar), 1920 * 1080 * 2, pFile); if(readSucced == 0) { printf("file end!\n"); } qDebug("readSucced%d\n", readSucced); fclose(pFile); }