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gdpdepay: don't use allocator if it has custom alloc

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gdpdepay element uses the decide_allocation to fetch the downstream
allocator. Nonetheless it is possible that allocate uses a custom
alloc function, which is not usable by gdpdepay, crashing later the
application when the allocater buffer is NULL.

This patch checks for the allocator flags and reset it if the
allocator has a custom alloc function.

https://bugzilla.gnome.org/show_bug.cgi?id=789476
This commit is contained in:
Víctor Manuel Jáquez Leal 2018-01-29 12:53:51 +01:00
parent f04b20e59e
commit f6cb16ab8c
1 changed files with 9 additions and 0 deletions
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9
gst/gdp/gstgdpdepay.c
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@ -580,6 +580,15 @@ gst_gdp_depay_decide_allocation (GstGDPDepay * gdpdepay)
if (gdpdepay->allocator)
gst_object_unref (gdpdepay->allocator);
if (allocator &&
GST_OBJECT_FLAG_IS_SET (allocator, GST_ALLOCATOR_FLAG_CUSTOM_ALLOC)) {
GST_DEBUG_OBJECT (gdpdepay,
"Provided allocator has a custom alloc fuction. Ignoring.");
gst_object_unref (allocator);
allocator = NULL;
gst_allocation_params_init (&params);
}
gdpdepay->allocator = allocator;
gdpdepay->allocation_params = params;