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  • 用SDL库播放yuy2 Packed mode 分类: ffmpeg-SDL-VLC-Live555 2013-10-30 15:34 575人阅读 评论(0) 收藏

    #define SDL_YUY2_OVERLAY 0x32595559 /* Packed mode: Y0+U0+Y1+V0 */

     if (SDL_Init(SDL_INIT_VIDEO) < 0)
        {
            exit(1);
        }
        atexit(SDL_Quit);
     
        screen = SDL_SetVideoMode(720, 576, 32, SDL_SWSURFACE|SDL_ANYFORMAT);
        if ( screen == NULL )
     {
             exit(1);
        }
     
        SDL_Overlay* overlay = SDL_CreateYUVOverlay(w, h, SDL_YUY2_OVERLAY, screen);
        if (overlay == NULL)
        {
            exit(1);
        }
     
        pY = (unsigned char*)malloc(w*h*2);

      
            SDL_LockSurface(screen);
            SDL_LockYUVOverlay(overlay);
      
     
        fp = fopen("d:\6082.dat", "rb");
        if (fp == NULL)
        {
            exit(1);
        }
     while (!feof(fp))
     {  
            fread(pY, 1, w*h*2, fp);
            memcpy(overlay->pixels[0], pY, w*h*2);
            SDL_UnlockYUVOverlay(overlay);
            SDL_UnlockSurface(screen);
      
            rect.w = w;
            rect.h = h;
            rect.x = rect.y = 0;
            SDL_DisplayYUVOverlay(overlay, &rect);
      
            SDL_Delay(40);
      
            i += 1;
        }
      fclose(fp);
        free(pY);
     
        SDL_FreeYUVOverlay(overlay);
        SDL_FreeSurface(screen);
     str.Format(_T("frmcnt:%d"),i);
     MessageBox(str);

    版权声明:本文为博主原创文章,未经博主允许不得转载。

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  • 原文地址:https://www.cnblogs.com/mao0504/p/4706743.html
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