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camerabin: fix structure handling in preview message

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Avoid trying to modify the message structure as it isn't mutable.
Use a copy and post a new message if necessary.

Fixes failing tests.
This commit is contained in:
Thiago Santos 2014-05-30 02:10:25 -03:00
parent 0f4485fc66
commit 0ae4bc74ba
1 changed files with 11 additions and 2 deletions
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13
gst/camerabin2/gstcamerabin2.c
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@ -1056,11 +1056,20 @@ gst_camera_bin_handle_message (GstBin * bin, GstMessage * message)
g_mutex_unlock (&camerabin->preview_list_mutex);
if (location) {
GstStructure *new_structure;
GValue value = { 0 };
g_value_init (&value, G_TYPE_STRING);
g_value_take_string (&value, location);
gst_structure_take_value ((GstStructure *) structure, "location",
&value);
/* need to do a copy because the structure isn't mutable */
new_structure = gst_structure_copy (structure);
gst_structure_take_value (new_structure, "location", &value);
gst_message_unref (message);
message =
gst_message_new_element (GST_OBJECT_CAST (camerabin),
new_structure);
}
GST_LOG_OBJECT (bin, "received preview-image message");