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mfvideosrc: check HRESULT of CreateClassEnumerator correctly

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Fixes a crash during direct show device enumeration

Fixes: https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/1599
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3460>
This commit is contained in:
Jan Lorenz 2022-11-23 14:35:07 +01:00 committed by GStreamer Marge Bot
parent 63ff99ca8e
commit 47b8762774
1 changed files with 2 additions and 1 deletions
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3
subprojects/gst-plugins-bad/sys/mediafoundation/gstmfcapturedshow.cpp
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@ -1023,7 +1023,8 @@ gst_mf_dshow_enum_device (GstMFCaptureDShow * self,
return FALSE; return FALSE;
} }
if (!gst_mf_result (hr)) // Documentation states that the result of CreateClassEnumerator must be checked against S_OK
if (hr != S_OK)
return FALSE; return FALSE;
for (guint i = 0;; i++) { for (guint i = 0;; i++) {