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navigation: don't do stuff inside g_return_val_if_fail() statements

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Or it will all fall apart if someone compiles with -DG_DISABLE_ASSERT.
This commit is contained in:
Tim-Philipp Müller 2009-09-08 16:00:47 +01:00
parent a14e730aad
commit 3bbbea6212
1 changed files with 32 additions and 20 deletions
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52
gst-libs/gst/interfaces/navigation.c
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@ -72,6 +72,8 @@ static void gst_navigation_class_init (GstNavigationInterface * iface);
#define GST_NAVIGATION_QUERY_NAME "GstNavigationQuery"
#define GST_NAVIGATION_EVENT_NAME "application/x-gst-navigation"
#define WARN_IF_FAIL(exp,msg) if(G_UNLIKELY(!(exp))){g_warning("%s",(msg));}
GType
gst_navigation_get_type (void)
{
@ -455,20 +457,21 @@ gst_navigation_query_parse_angles (GstQuery * query, guint * cur_angle,
guint * n_angles)
{
GstStructure *structure;
gboolean ret = TRUE;
g_return_val_if_fail (GST_NAVIGATION_QUERY_HAS_TYPE (query, ANGLES), FALSE);
structure = gst_query_get_structure (query);
if (cur_angle)
g_return_val_if_fail (gst_structure_get_uint (structure,
"angle", cur_angle), FALSE);
ret &= gst_structure_get_uint (structure, "angle", cur_angle);
if (n_angles)
g_return_val_if_fail (gst_structure_get_uint (structure,
"angles", n_angles), FALSE);
ret &= gst_structure_get_uint (structure, "angles", n_angles);
return TRUE;
WARN_IF_FAIL (ret, "Couldn't extract details from angles query");
return ret;
}
/* Navigation Messages */
@ -644,20 +647,21 @@ gst_navigation_message_parse_angles_changed (GstMessage * message,
guint * cur_angle, guint * n_angles)
{
const GstStructure *s;
gboolean ret = TRUE;
g_return_val_if_fail (GST_NAVIGATION_MESSAGE_HAS_TYPE (message,
ANGLES_CHANGED), FALSE);
s = gst_message_get_structure (message);
if (cur_angle)
g_return_val_if_fail (gst_structure_get_uint (s, "angle", cur_angle),
FALSE);
ret &= gst_structure_get_uint (s, "angle", cur_angle);
if (n_angles)
g_return_val_if_fail (gst_structure_get_uint (s, "angles", n_angles),
FALSE);
ret &= gst_structure_get_uint (s, "angles", n_angles);
return TRUE;
WARN_IF_FAIL (ret, "Couldn't extract details from angles-changed event");
return ret;
}
#define GST_NAVIGATION_EVENT_HAS_TYPE(event,event_type) \
@ -756,6 +760,7 @@ gst_navigation_event_parse_mouse_button_event (GstEvent * event, gint * button,
{
GstNavigationEventType e_type;
const GstStructure *s;
gboolean ret = TRUE;
e_type = gst_navigation_event_get_type (event);
g_return_val_if_fail (e_type == GST_NAVIGATION_EVENT_MOUSE_BUTTON_PRESS ||
@ -763,13 +768,15 @@ gst_navigation_event_parse_mouse_button_event (GstEvent * event, gint * button,
s = gst_event_get_structure (event);
if (x)
g_return_val_if_fail (gst_structure_get_double (s, "pointer_x", x), FALSE);
ret &= gst_structure_get_double (s, "pointer_x", x);
if (y)
g_return_val_if_fail (gst_structure_get_double (s, "pointer_y", y), FALSE);
ret &= gst_structure_get_double (s, "pointer_y", y);
if (button)
g_return_val_if_fail (gst_structure_get_int (s, "button", button), FALSE);
ret &= gst_structure_get_int (s, "button", button);
return TRUE;
WARN_IF_FAIL (ret, "Couldn't extract details from mouse button event");
return ret;
}
/**
@ -788,17 +795,20 @@ gst_navigation_event_parse_mouse_move_event (GstEvent * event, gdouble * x,
gdouble * y)
{
const GstStructure *s;
gboolean ret = TRUE;
g_return_val_if_fail (GST_NAVIGATION_EVENT_HAS_TYPE (event, MOUSE_MOVE),
FALSE);
s = gst_event_get_structure (event);
if (x)
g_return_val_if_fail (gst_structure_get_double (s, "pointer_x", x), FALSE);
ret &= gst_structure_get_double (s, "pointer_x", x);
if (y)
g_return_val_if_fail (gst_structure_get_double (s, "pointer_y", y), FALSE);
ret &= gst_structure_get_double (s, "pointer_y", y);
return TRUE;
WARN_IF_FAIL (ret, "Couldn't extract positions from mouse move event");
return ret;
}
/**
@ -817,13 +827,15 @@ gst_navigation_event_parse_command (GstEvent * event,
GstNavigationCommand * command)
{
const GstStructure *s;
gboolean ret = TRUE;
g_return_val_if_fail (GST_NAVIGATION_EVENT_HAS_TYPE (event, COMMAND), FALSE);
if (command) {
s = gst_event_get_structure (event);
g_return_val_if_fail (gst_structure_get_uint (s, "command-code", (guint*)command),
FALSE);
ret = gst_structure_get_uint (s, "command-code", (guint *) command);
WARN_IF_FAIL (ret, "Couldn't extract command code from command event");
}
return TRUE;
return ret;
}