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d3d11compositor: Don't try to read empty buffer

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The queued buffer may not be readable buffer in case that
upstream sends GAP event or so.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1497>
This commit is contained in:
Seungha Yang 2022-01-06 22:00:11 +09:00 committed by GStreamer Marge Bot
parent 7bdb37c01b
commit e63a3a7f31
1 changed files with 6 additions and 0 deletions
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6
subprojects/gst-plugins-bad/sys/d3d11/gstd3d11compositor.cpp
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@ -2429,6 +2429,12 @@ gst_d3d11_compositor_check_device_update (GstElement * agg,
if (!buf)
return TRUE;
/* Ignore gap buffer */
if (GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_GAP) ||
gst_buffer_get_size (buf) == 0) {
return TRUE;
}
mem = gst_buffer_peek_memory (buf, 0);
/* FIXME: we should be able to accept non-d3d11 memory later once
* we remove intermediate elements (d3d11upload and d3d11colorconvert)