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