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quarktv: Clean up the quarktv element

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This commit is contained in:
Sebastian Dröge 2009-06-15 17:50:41 +02:00
parent b3bb4fa7ef
commit c116c301af
1 changed files with 32 additions and 79 deletions
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111
gst/effectv/gstquark.c
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@ -1,8 +1,11 @@
/* GStreamer /* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) <2009> Sebastian Dröge <sebastian.droege@collabora.co.uk>
* *
* EffecTV: * EffecTV:
* Copyright (C) 2001 FUKUCHI Kentarou * Copyright (C) 2001-2002 FUKUCHI Kentarou
*
* QuarkTV - motion disolver.
* *
* EffecTV is free software. This library is free software; * EffecTV is free software. This library is free software;
* you can redistribute it and/or * you can redistribute it and/or
@ -68,20 +71,15 @@ struct _GstQuarkTVClass
enum enum
{ {
ARG_0, PROP_0,
ARG_PLANES PROP_PLANES
}; };
GType gst_quarktv_get_type (void); GST_BOILERPLATE (GstQuarkTV, gst_quarktv, GstVideoFilter,
GST_TYPE_VIDEO_FILTER);
static void gst_quarktv_planetable_clear (GstQuarkTV * filter); static void gst_quarktv_planetable_clear (GstQuarkTV * filter);
static const GstElementDetails quarktv_details =
GST_ELEMENT_DETAILS ("QuarkTV effect",
"Filter/Effect/Video",
"Motion dissolver",
"FUKUCHI, Kentarou <fukuchi@users.sourceforge.net>");
static GstStaticPadTemplate gst_quarktv_src_template = static GstStaticPadTemplate gst_quarktv_src_template =
GST_STATIC_PAD_TEMPLATE ("src", GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC, GST_PAD_SRC,
@ -96,8 +94,6 @@ static GstStaticPadTemplate gst_quarktv_sink_template =
GST_STATIC_CAPS (GST_VIDEO_CAPS_BGRx "; " GST_VIDEO_CAPS_RGBx) GST_STATIC_CAPS (GST_VIDEO_CAPS_BGRx "; " GST_VIDEO_CAPS_RGBx)
); );
static GstVideoFilterClass *parent_class = NULL;
static gboolean static gboolean
gst_quarktv_set_caps (GstBaseTransform * btrans, GstCaps * incaps, gst_quarktv_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
GstCaps * outcaps) GstCaps * outcaps)
@ -122,13 +118,11 @@ static gboolean
gst_quarktv_get_unit_size (GstBaseTransform * btrans, GstCaps * caps, gst_quarktv_get_unit_size (GstBaseTransform * btrans, GstCaps * caps,
guint * size) guint * size)
{ {
GstQuarkTV *filter; GstQuarkTV *filter = GST_QUARKTV (btrans);
GstStructure *structure; GstStructure *structure;
gboolean ret = FALSE; gboolean ret = FALSE;
gint width, height; gint width, height;
filter = GST_QUARKTV (btrans);
structure = gst_caps_get_structure (caps, 0); structure = gst_caps_get_structure (caps, 0);
if (gst_structure_get_int (structure, "width", &width) && if (gst_structure_get_int (structure, "width", &width) &&
@ -142,10 +136,10 @@ gst_quarktv_get_unit_size (GstBaseTransform * btrans, GstCaps * caps,
return ret; return ret;
} }
static inline guint32 static inline guint
fastrand (void) fastrand (void)
{ {
static unsigned int fastrand_val; static guint fastrand_val;
return (fastrand_val = fastrand_val * 1103515245 + 12345); return (fastrand_val = fastrand_val * 1103515245 + 12345);
} }
@ -154,15 +148,11 @@ static GstFlowReturn
gst_quarktv_transform (GstBaseTransform * trans, GstBuffer * in, gst_quarktv_transform (GstBaseTransform * trans, GstBuffer * in,
GstBuffer * out) GstBuffer * out)
{ {
GstQuarkTV *filter; GstQuarkTV *filter = GST_QUARKTV (trans);
gint area; gint area;
guint32 *dest; guint32 *dest;
GstFlowReturn ret = GST_FLOW_OK; GstFlowReturn ret = GST_FLOW_OK;
filter = GST_QUARKTV (trans);
gst_buffer_copy_metadata (out, in, GST_BUFFER_COPY_TIMESTAMPS);
area = filter->area; area = filter->area;
dest = (guint32 *) GST_BUFFER_DATA (out); dest = (guint32 *) GST_BUFFER_DATA (out);
@ -218,11 +208,9 @@ gst_quarktv_change_state (GstElement * element, GstStateChange transition)
switch (transition) { switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED: case GST_STATE_CHANGE_READY_TO_PAUSED:
{
filter->planetable = filter->planetable =
(GstBuffer **) g_malloc0 (filter->planes * sizeof (GstBuffer *)); (GstBuffer **) g_malloc0 (filter->planes * sizeof (GstBuffer *));
break; break;
}
default: default:
break; break;
} }
@ -232,12 +220,10 @@ gst_quarktv_change_state (GstElement * element, GstStateChange transition)
switch (transition) { switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY: case GST_STATE_CHANGE_PAUSED_TO_READY:
{
gst_quarktv_planetable_clear (filter); gst_quarktv_planetable_clear (filter);
g_free (filter->planetable); g_free (filter->planetable);
filter->planetable = NULL; filter->planetable = NULL;
break; break;
}
default: default:
break; break;
} }
@ -250,14 +236,10 @@ static void
gst_quarktv_set_property (GObject * object, guint prop_id, const GValue * value, gst_quarktv_set_property (GObject * object, guint prop_id, const GValue * value,
GParamSpec * pspec) GParamSpec * pspec)
{ {
GstQuarkTV *filter; GstQuarkTV *filter = GST_QUARKTV (object);
g_return_if_fail (GST_IS_QUARKTV (object));
filter = GST_QUARKTV (object);
switch (prop_id) { switch (prop_id) {
case ARG_PLANES: case PROP_PLANES:
{ {
gint new_n_planes = g_value_get_int (value); gint new_n_planes = g_value_get_int (value);
GstBuffer **new_planetable; GstBuffer **new_planetable;
@ -266,7 +248,7 @@ gst_quarktv_set_property (GObject * object, guint prop_id, const GValue * value,
/* If the number of planes changed, copy across any existing planes */ /* If the number of planes changed, copy across any existing planes */
if (new_n_planes != filter->planes) { if (new_n_planes != filter->planes) {
new_planetable = new_planetable =
(GstBuffer **) g_malloc (new_n_planes * sizeof (GstBuffer *)); (GstBuffer **) g_malloc0 (new_n_planes * sizeof (GstBuffer *));
for (i = 0; (i < new_n_planes) && (i < filter->planes); i++) { for (i = 0; (i < new_n_planes) && (i < filter->planes); i++) {
new_planetable[i] = filter->planetable[i]; new_planetable[i] = filter->planetable[i];
@ -280,8 +262,8 @@ gst_quarktv_set_property (GObject * object, guint prop_id, const GValue * value,
filter->current_plane = filter->planes - 1; filter->current_plane = filter->planes - 1;
filter->planes = new_n_planes; filter->planes = new_n_planes;
} }
}
break; break;
}
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break; break;
@ -292,14 +274,10 @@ static void
gst_quarktv_get_property (GObject * object, guint prop_id, GValue * value, gst_quarktv_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec) GParamSpec * pspec)
{ {
GstQuarkTV *filter; GstQuarkTV *filter = GST_QUARKTV (object);
g_return_if_fail (GST_IS_QUARKTV (object));
filter = GST_QUARKTV (object);
switch (prop_id) { switch (prop_id) {
case ARG_PLANES: case PROP_PLANES:
g_value_set_int (value, filter->planes); g_value_set_int (value, filter->planes);
break; break;
default: default:
@ -313,7 +291,9 @@ gst_quarktv_base_init (gpointer g_class)
{ {
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_set_details (element_class, &quarktv_details); gst_element_class_set_details_simple (element_class, "QuarkTV effect",
"Filter/Effect/Video",
"Motion dissolver", "FUKUCHI, Kentarou <fukuchi@users.sourceforge.net>");
gst_element_class_add_pad_template (element_class, gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_quarktv_sink_template)); gst_static_pad_template_get (&gst_quarktv_sink_template));
@ -322,20 +302,19 @@ gst_quarktv_base_init (gpointer g_class)
} }
static void static void
gst_quarktv_class_init (gpointer klass, gpointer class_data) gst_quarktv_class_init (GstQuarkTVClass * klass)
{ {
GObjectClass *gobject_class; GObjectClass *gobject_class = (GObjectClass *) klass;
GstElementClass *element_class; GstElementClass *element_class = (GstElementClass *) klass;
GstBaseTransformClass *trans_class; GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass;
gobject_class = (GObjectClass *) klass; gobject_class->set_property = gst_quarktv_set_property;
element_class = (GstElementClass *) klass; gobject_class->get_property = gst_quarktv_get_property;
trans_class = (GstBaseTransformClass *) klass;
parent_class = g_type_class_peek_parent (klass); g_object_class_install_property (gobject_class, PROP_PLANES,
g_param_spec_int ("planes", "Planes",
gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_quarktv_set_property); "Number of planes", 0, 64, PLANES,
gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_quarktv_get_property); G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
element_class->change_state = GST_DEBUG_FUNCPTR (gst_quarktv_change_state); element_class->change_state = GST_DEBUG_FUNCPTR (gst_quarktv_change_state);
@ -345,34 +324,8 @@ gst_quarktv_class_init (gpointer klass, gpointer class_data)
} }
static void static void
gst_quarktv_init (GTypeInstance * instance, gpointer g_class) gst_quarktv_init (GstQuarkTV * filter, GstQuarkTVClass * klass)
{ {
GstQuarkTV *filter = GST_QUARKTV (instance);
filter->planes = PLANES; filter->planes = PLANES;
filter->current_plane = filter->planes - 1; filter->current_plane = filter->planes - 1;
} }
GType
gst_quarktv_get_type (void)
{
static GType quarktv_type = 0;
if (!quarktv_type) {
static const GTypeInfo quarktv_info = {
sizeof (GstQuarkTVClass),
gst_quarktv_base_init,
NULL,
gst_quarktv_class_init,
NULL,
NULL,
sizeof (GstQuarkTV),
0,
gst_quarktv_init,
};
quarktv_type = g_type_register_static (GST_TYPE_VIDEO_FILTER,
"GstQuarkTV", &quarktv_info, 0);
}
return quarktv_type;
}