Yesterday, I have submitted the MFC test project to you.

Now, detail Steps:

1.Initialize the SDL and FFMPEG decoding for video.
2.Create the window by calling[Detail]:
    // Symbol "m_hWnd" is a static picture control handle in MFC
    SDL_Window *win = SDL_CreateWindowFrom(m_hWnd);
    SDL_Renderer *ren = SDL_CreateRenderer(win, -1, SDL_RENDERER_ACCELERATED |
SDL_RENDERER_TARGETTEXTURE);
    // symbol "rect" is SDL_Rect.
    SDL_Texture *tex = SDL_CreateTexture(ren, SDL_PIXELFORMAT_RGB24, SDL_TEXTUREACCESS_STREAMING, rect.w, rect.h);
3.Start decoding video thread, work well. SDL show the video.
4.SuspendThread decoding thread, release the window by calling[Detail]:
    SDL_DestroyTexture(tex);
    SDL_DestroyRenderer(ren);
    SDL_DestroyWindow(win);
5.Then create the window again as step 2.
6.Resume decoding video thread, BUG: THE VIDEO DISAPPEARED! IT DISPLAYS NOTHING!

I hope that you can tell me the result whether it's my fault or not soon, thank you.

Can you post a test case to reproduce?

(In reply to Gabriel Jacobo from comment #2)
> Can you post a test case to reproduce?

Unfortunately, I can write a minimal test case without MFC, but I cannot write it to reproduce the bug without video decoding, because the SDL cannot decode video, so I give the error code in following(I can make sure my video decoding works fine, it can display well by Windows GDI, I have tested it):

RECT rt;
SDL_Rect rect;
HWND g_hWnd = GetDlgItem(IDC_PICTURE1)->m_hWnd;
GetClientRect(g_hWnd, &rt);
rect.x =0;
rect.y =0;
rect.w = rt.right - rt.left;
rect.h = rt.bottom - rt.top;

// Create it
SDL_Window *win = SDL_CreateWindowFrom(g_hWnd);
SDL_Renderer *ren = SDL_CreateRenderer(win, -1, SDL_RENDERER_ACCELERATED |
		SDL_RENDERER_TARGETTEXTURE);
SDL_Texture *tex = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGB24, SDL_TEXTUREACCESS_STREAMING, rect.w, rect.h);

/* bug begin*/
// Release it
SDL_DestroyTexture(tex);
SDL_DestroyRenderer(ren);
SDL_DestroyWindow(win);

// Create it again
win = SDL_CreateWindowFrom(g_hWnd);
ren = SDL_CreateRenderer(win, -1, SDL_RENDERER_ACCELERATED |
		SDL_RENDERER_TARGETTEXTURE);
tex = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGB24, SDL_TEXTUREACCESS_STREAMING, rect.w, rect.h);
/* bug end */

// Display the video, but show blank
/* ffmpeg decoding.. */
SDL_RenderClear(ren);
SDL_UpdateTexture(tex, &rect, pFrameRGB->data[0], pFrameRGB->linesize[0]);
SDL_RenderCopy(ren, tex, NULL, &rect);
SDL_RenderPresent(ren);

if delete code between "bug begin" and "bug end", the video display well, otherwise show blank.

SDL_DestroyWindow hides the window. You should add SDL_ShowWindow after SDL_CreateWindowFrom.

The user reported via email that the solution suggested by Nader Golbaz solves the issue.

Thanks a lot. It's my fault that I forget to call SDL_ShowWindow after create it, the truth is that if you call SDL_Destroy, the windows will be hide, so we cannot see it after call SDL_Create again before function SDL_Destroy called.