// MFCDlg.cpp : 实现文件//#include "stdafx.h"#include "MFC.h"#include "MFCDlg.h"#include "afxdialogex.h"#include <stdio.h>#define __STDC_CONSTANT_MACROS//FFmepg+SDL 相关头文件#ifdef _WIN32//Windowsextern "C"{#include "libavcodec/avcodec.h"#include "libavformat/avformat.h"#include "libswscale/swscale.h"#include "SDL2/SDL.h"};#else//Linux...#ifdef __cplusplusextern "C"{#endif#include <libavcodec/avcodec.h>#include <libavformat/avformat.h>#include <libswscale/swscale.h>#include <SDL2/SDL.h>#ifdef __cplusplus};#endif#endif#ifdef _DEBUG#define new DEBUG_NEW#endif// 用于应用程序“关于”菜单项的 CAboutDlg 对话框class CAboutDlg : public CDialogEx{public:CAboutDlg();// 对话框数据#ifdef AFX_DESIGN_TIMEenum { IDD = IDD_ABOUTBOX };#endifprotected:virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV 支持// 实现protected:DECLARE_MESSAGE_MAP()};CAboutDlg::CAboutDlg() : CDialogEx(IDD_ABOUTBOX){}void CAboutDlg::DoDataExchange(CDataExchange* pDX){CDialogEx::DoDataExchange(pDX);}BEGIN_MESSAGE_MAP(CAboutDlg, CDialogEx)END_MESSAGE_MAP()// CMFCDlg 对话框CMFCDlg::CMFCDlg(CWnd* pParent /*=NULL*/): CDialogEx(IDD_MFC_DIALOG, pParent){m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);}void CMFCDlg::DoDataExchange(CDataExchange* pDX){CDialogEx::DoDataExchange(pDX);DDX_Control(pDX, IDC_URL, m_url); //xlh}BEGIN_MESSAGE_MAP(CMFCDlg, CDialogEx)ON_WM_SYSCOMMAND()ON_WM_PAINT()ON_WM_QUERYDRAGICON()ON_BN_CLICKED(IDC_PLAY, &CMFCDlg::OnBnClickedPlay)ON_BN_CLICKED(IDC_ABORT, &CMFCDlg::OnBnClickedAbort)ON_BN_CLICKED(IDC_FILEDIALOG, &CMFCDlg::OnBnClickedFiledialog)ON_EN_CHANGE(IDC_URL, &CMFCDlg::OnEnChangeUrl)ON_BN_CLICKED(IDC_PAUSE, &CMFCDlg::OnBnClickedPause)ON_BN_CLICKED(IDC_STOP, &CMFCDlg::OnBnClickedStop)ON_STN_CLICKED(IDC_SCREEN, &CMFCDlg::OnStnClickedScreen)END_MESSAGE_MAP()// CMFCDlg 消息处理程序BOOL CMFCDlg::OnInitDialog(){CDialogEx::OnInitDialog();// 将“关于...”菜单项添加到系统菜单中。// IDM_ABOUTBOX 必须在系统命令范围内。ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);ASSERT(IDM_ABOUTBOX < 0xF000);CMenu* pSysMenu = GetSystemMenu(FALSE);if (pSysMenu != NULL){BOOL bNameValid;CString strAboutMenu;bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX);ASSERT(bNameValid);if (!strAboutMenu.IsEmpty()){pSysMenu->AppendMenu(MF_SEPARATOR);pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);}}// 设置此对话框的图标。 当应用程序主窗口不是对话框时,框架将自动// 执行此操作SetIcon(m_hIcon, TRUE);// 设置大图标SetIcon(m_hIcon, FALSE);// 设置小图标// TODO: 在此添加额外的初始化代码return TRUE; // 除非将焦点设置到控件,否则返回 TRUE}void CMFCDlg::OnSysCommand(UINT nID, LPARAM lParam){if ((nID & 0xFFF0) == IDM_ABOUTBOX){CAboutDlg dlgAbout;dlgAbout.DoModal();}else{CDialogEx::OnSysCommand(nID, lParam);}}// 如果向对话框添加最小化按钮,则需要下面的代码// 来绘制该图标。 对于使用文档/视图模型的 MFC 应用程序,// 这将由框架自动完成。void CMFCDlg::OnPaint(){if (IsIconic()){CPaintDC dc(this); // 用于绘制的设备上下文SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);// 使图标在工作区矩形中居中int cxIcon = GetSystemMetrics(SM_CXICON);int cyIcon = GetSystemMetrics(SM_CYICON);CRect rect;GetClientRect(&rect);int x = (rect.Width() - cxIcon + 1) / 2;int y = (rect.Height() - cyIcon + 1) / 2;// 绘制图标dc.DrawIcon(x, y, m_hIcon);}else{CDialogEx::OnPaint();}}//当用户拖动最小化窗口时系统调用此函数取得光标//显示。HCURSOR CMFCDlg::OnQueryDragIcon(){return static_cast<HCURSOR>(m_hIcon);}//FFmpeg+SDL 相关代码//Refresh Event#define SFM_REFRESH_EVENT (SDL_USEREVENT + 1)#define SFM_BREAK_EVENT (SDL_USEREVENT + 2)int thread_exit = 0;int thread_pause = 0;int sfp_refresh_thread(void *opaque) {thread_exit = 0;thread_pause = 0;while (thread_exit == 0) {if (!thread_pause) {SDL_Event event;event.type = SFM_REFRESH_EVENT;SDL_PushEvent(&event);}SDL_Delay(40);}//QuitSDL_Event event;event.type = SFM_BREAK_EVENT;SDL_PushEvent(&event);thread_exit = 0;thread_pause = 0;return 0;}//main 函数改为 ffmpegplayer int ffmpegplayer(LPVOID lpParam){AVFormatContext*pFormatCtx;inti, videoindex;AVCodecContext*pCodecCtx;AVCodec*pCodec;AVFrame*pFrame, *pFrameYUV;uint8_t *out_buffer;AVPacket *packet;int ret, got_picture;//------------SDL----------------int screen_w, screen_h;SDL_Window *screen;SDL_Renderer* sdlRenderer;SDL_Texture* sdlTexture;SDL_Rect sdlRect;SDL_Thread *video_tid;SDL_Event event;struct SwsContext *img_convert_ctx;//===========================================//文件路径改为如下:CMFCDlg *dlg = (CMFCDlg *)lpParam;char filepath[250] = { 0 };GetWindowTextA(dlg->m_url, (LPSTR)filepath, 250);//===========================================av_register_all();avformat_network_init();pFormatCtx = avformat_alloc_context();if (avformat_open_input(&pFormatCtx, filepath, NULL, NULL) != 0) {AfxMessageBox(_T("Couldn't open input stream.\n"));return -1;}if (avformat_find_stream_info(pFormatCtx, NULL)<0) {AfxMessageBox(_T("Couldn't find stream information.\n"));return -1;}videoindex = -1;for (i = 0; i<pFormatCtx->nb_streams; i++)if (pFormatCtx->streams[i]->codec->codec_type == AVMEDIA_TYPE_VIDEO) {videoindex = i;break;}if (videoindex == -1) {AfxMessageBox(_T("Didn't find a video stream.\n"));return -1;}pCodecCtx = pFormatCtx->streams[videoindex]->codec;pCodec = avcodec_find_decoder(pCodecCtx->codec_id);if (pCodec == NULL) {AfxMessageBox(_T("Codec not found.\n"));return -1;}if (avcodec_open2(pCodecCtx, pCodec, NULL)<0) {AfxMessageBox(_T("Could not open codec.\n"));return -1;}pFrame = av_frame_alloc();pFrameYUV = av_frame_alloc();out_buffer = (uint8_t *)av_malloc(avpicture_get_size(PIX_FMT_YUV420P, pCodecCtx->width, pCodecCtx->height));avpicture_fill((AVPicture *)pFrameYUV, out_buffer, PIX_FMT_YUV420P, pCodecCtx->width, pCodecCtx->height);img_convert_ctx = sws_getContext(pCodecCtx->width, pCodecCtx->height, pCodecCtx->pix_fmt,pCodecCtx->width, pCodecCtx->height, PIX_FMT_YUV420P, SWS_BICUBIC, NULL, NULL, NULL);if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER)) {AfxMessageBox(_T("Could not initialize SDL\n"));return -1;}//SDL 2.0 Support for multiple windowsscreen_w = pCodecCtx->width;screen_h = pCodecCtx->height;//显示在弹出窗口//screen = SDL_CreateWindow("Simplest ffmpeg player's Window", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,//screen_w, screen_h,SDL_WINDOW_OPENGL);//===========================================//显示在MFC控件上screen = SDL_CreateWindowFrom(dlg->GetDlgItem(IDC_SCREEN)->GetSafeHwnd());//===========================================if (!screen) {AfxMessageBox(_T("SDL: could not create window - exiting\n"));return -1;}sdlRenderer = SDL_CreateRenderer(screen, -1, 0);//IYUV: Y + U + V (3 planes)//YV12: Y + V + U (3 planes)sdlTexture = SDL_CreateTexture(sdlRenderer, SDL_PIXELFORMAT_IYUV, SDL_TEXTUREACCESS_STREAMING, pCodecCtx->width, pCodecCtx->height);sdlRect.x = 0;sdlRect.y = 0;sdlRect.w = screen_w;sdlRect.h = screen_h;packet = (AVPacket *)av_malloc(sizeof(AVPacket));video_tid = SDL_CreateThread(sfp_refresh_thread, NULL, NULL);//------------SDL End------------//Event Loopfor (;;) {//WaitSDL_WaitEvent(&event);if (event.type == SFM_REFRESH_EVENT) {//------------------------------if (av_read_frame(pFormatCtx, packet) >= 0) {if (packet->stream_index == videoindex) {ret = avcodec_decode_video2(pCodecCtx, pFrame, &got_picture, packet);if (ret < 0) {AfxMessageBox(_T("Decode Error.\n"));return -1;}if (got_picture) {sws_scale(img_convert_ctx, (const uint8_t* const*)pFrame->data, pFrame->linesize, 0, pCodecCtx->height, pFrameYUV->data, pFrameYUV->linesize);//SDL---------------------------SDL_UpdateTexture(sdlTexture, NULL, pFrameYUV->data[0], pFrameYUV->linesize[0]);SDL_RenderClear(sdlRenderer);//SDL_RenderCopy( sdlRenderer, sdlTexture, &sdlRect, &sdlRect ); SDL_RenderCopy(sdlRenderer, sdlTexture, NULL, NULL);SDL_RenderPresent(sdlRenderer);//SDL End-----------------------TRACE("Decode 1 frame\n");}}av_free_packet(packet);}else {//Exit Threadthread_exit = 1;}}else if (event.type == SDL_QUIT) {thread_exit = 1;}else if (event.type == SFM_BREAK_EVENT) {break;}}sws_freeContext(img_convert_ctx);SDL_DestroyWindow(screen);SDL_Quit();//FIX Small Bug//SDL Hide Window When it finisheddlg->GetDlgItem(IDC_SCREEN)->ShowWindow(SW_SHOWNORMAL);//--------------av_frame_free(&pFrameYUV);av_frame_free(&pFrame);avcodec_close(pCodecCtx);avformat_close_input(&pFormatCtx);return 0;}//播放的线程UINT Thread_Play(LPVOID lpParam) {CMFCDlg *dlg = (CMFCDlg *)lpParam;ffmpegplayer(lpParam);return 0;}//播放void CMFCDlg::OnBnClickedPlay(){// TODO: 在此添加控件通知处理程序代码pThreadPlay = AfxBeginThread(Thread_Play, this);//开启线程}//关于void CMFCDlg::OnBnClickedAbort(){// TODO: 在此添加控件通知处理程序代码CAboutDlg dlg1;dlg1.DoModal();}//文件void CMFCDlg::OnBnClickedFiledialog(){// TODO: 在此添加控件通知处理程序代码CString FilePathName;CFileDialog dlg(TRUE, NULL, NULL, NULL, NULL);///TRUE为OPEN对话框,FALSE为SAVE AS对话框 if (dlg.DoModal() == IDOK) {FilePathName = dlg.GetPathName();m_url.SetWindowText(FilePathName);}}//文件路径void CMFCDlg::OnEnChangeUrl(){// TODO: 如果该控件是 RICHEDIT 控件,它将不// 发送此通知,除非重写 CDialogEx::OnInitDialog()// 函数并调用 CRichEditCtrl().SetEventMask(),// 同时将 ENM_CHANGE 标志“或”运算到掩码中。// TODO: 在此添加控件通知处理程序代码}//暂停void CMFCDlg::OnBnClickedPause(){// TODO: 在此添加控件通知处理程序代码thread_pause = !thread_pause;}//停止void CMFCDlg::OnBnClickedStop(){// TODO: 在此添加控件通知处理程序代码thread_exit = 1;}//视频窗口void CMFCDlg::OnStnClickedScreen(){// TODO: 在此添加控件通知处理程序代码}
// MFCDlg.h : 头文件//#pragma once// CMFCDlg 对话框class CMFCDlg : public CDialogEx{// 构造public:CMFCDlg(CWnd* pParent = NULL);// 标准构造函数// 对话框数据#ifdef AFX_DESIGN_TIMEenum { IDD = IDD_MFC_DIALOG };#endifprotected:virtual void DoDataExchange(CDataExchange* pDX);// DDX/DDV 支持// 实现protected:HICON m_hIcon;CWinThread *pThreadPlay;// 生成的消息映射函数virtual BOOL OnInitDialog();afx_msg void OnSysCommand(UINT nID, LPARAM lParam);afx_msg void OnPaint();afx_msg HCURSOR OnQueryDragIcon();DECLARE_MESSAGE_MAP()public:afx_msg void OnBnClickedPlay();afx_msg void OnBnClickedAbort();afx_msg void OnBnClickedFiledialog();afx_msg void OnEnChangeUrl();afx_msg void OnBnClickedPause();afx_msg void OnBnClickedStop();afx_msg void OnBnClickedCancel();afx_msg void OnStnClickedScreen();CEdit m_url;};