Double close a fd make the program logic not works

[sgbihu]

The below two functions try to close same file descriptor twice.

gstreamer-media-SDK/gst-libs/mfx/x11/gstmfxwindow_x11.c

Line 477 in 1be01b2

cookie_pixmap = xcb_dri3_pixmap_from_buffer_checked (priv->xcbconn, pixmap, win, size,

It will call close at write_vec in xcb_conn.c

gstreamer-media-SDK/gst-libs/mfx/gstmfxprimebufferproxy.c

Line 129 in 1be01b2

vaReleaseBufferHandle (GST_MFX_DISPLAY_VADISPLAY (proxy->display), va_img.buf);

this will close at i965_release_buffer_handle in intel VA driver.

If the system try to open a new fd, it will return the Line 477 closed fd. And then it close by Line 129 again. This will make resource closed and make program has problem.

[criusxu]

how to fix this bug?

[sgbihu]

I didn't fix it. Because it called third-part library. I don't know the side effect. I use multi-process as a workaround.

[criusxu]

My program must display multi mfxsink in one process, do you have any idea to fix this problem?