yair/gst-plugin-linescan
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

niimaqdxsrc: allow attributes to be set at any time, not just startup

Browse Source
This commit is contained in:
Joshua M. Doe 2016-07-11 11:28:49 -04:00
parent 425994d8fb
commit a0302d6faa
1 changed files with 21 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
sys/niimaqdx/gstniimaqdx.c
View File

@ -90,6 +90,7 @@ static GstFlowReturn gst_niimaqdxsrc_fill (GstPushSrc * src, GstBuffer * buf);
static GstCaps *gst_niimaqdxsrc_get_cam_caps (GstNiImaqDxSrc * src);
static gboolean gst_niimaqdxsrc_close_interface (GstNiImaqDxSrc * niimaqdxsrc);
static void gst_niimaqdxsrc_reset (GstNiImaqDxSrc * niimaqdxsrc);
static void gst_niimaqdxsrc_set_dx_attributes (GstNiImaqDxSrc * niimaqdxsrc);
IMAQdxError
gst_niimaqdxsrc_report_imaq_error (IMAQdxError code)
@ -420,11 +421,10 @@ gst_niimaqdxsrc_class_init (GstNiImaqDxSrcClass * klass)
G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass),
PROP_ATTRIBUTES, g_param_spec_string ("attributes",
"Attributes", "Initial attributes to set", DEFAULT_PROP_ATTRIBUTES,
G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass),
PROP_BAYER_AS_GRAY, g_param_spec_boolean ("bayer-as-gray",
"Bayer as gray",
"Attributes", "Attributes to change, comma separated key=value pairs",
DEFAULT_PROP_ATTRIBUTES, G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BAYER_AS_GRAY,
g_param_spec_boolean ("bayer-as-gray", "Bayer as gray",
"For Bayer sources use GRAY caps", DEFAULT_PROP_BAYER_AS_GRAY,
G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE));
@ -665,6 +665,9 @@ gst_niimaqdxsrc_fill (GstPushSrc * src, GstBuffer * buf)
}
}
/* will change attributes if provided */
gst_niimaqdxsrc_set_dx_attributes (niimaqdxsrc);
if (niimaqdxsrc->caps_info == NULL) {
GST_ELEMENT_ERROR (niimaqdxsrc, RESOURCE, FAILED,
("Failed to create caps, possibly unsupported format (%s).",
@ -907,13 +910,20 @@ error:
return NULL;
}
void
static void
gst_niimaqdxsrc_set_dx_attributes (GstNiImaqDxSrc * niimaqdxsrc)
{
gchar **pairs;
int i;
IMAQdxError rval;
if (!niimaqdxsrc->attributes) {
return;
}
GST_DEBUG_OBJECT (niimaqdxsrc, "Trying to set following attributes: %s",
niimaqdxsrc->attributes);
pairs = g_strsplit (niimaqdxsrc->attributes, ";", 0);
for (i = 0;; i++) {
@ -938,6 +948,11 @@ gst_niimaqdxsrc_set_dx_attributes (GstNiImaqDxSrc * niimaqdxsrc)
g_strfreev (pair);
}
g_strfreev (pairs);
if (niimaqdxsrc->attributes) {
g_free (niimaqdxsrc->attributes);
niimaqdxsrc->attributes = NULL;
}
}
/**