mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-27 10:40:34 +00:00
Code Issues 1 Projects Releases Wiki Activity

videoscale: Some random cleanup

Browse source
This commit is contained in:
Sebastian Dröge 2010-04-23 15:14:56 +02:00
parent 43b370358d
commit 838d76dc4b
2 changed files with 20 additions and 60 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

75
gst/videoscale/gstvideoscale.c
View file

@ -166,16 +166,20 @@ gst_video_scale_method_get_type (void)
static GstCaps *
gst_video_scale_get_capslist (void)
{
static GstCaps *caps;
static GstCaps *caps = NULL;
static volatile gsize inited = 0;
if (caps == NULL) {
int i;
if (g_once_init_enter (&inited)) {
gint i;
g_assert (caps == NULL);
caps = gst_caps_new_empty ();
for (i = 0; i < G_N_ELEMENTS (gst_video_scale_format_caps); i++)
gst_caps_append (caps,
gst_caps_make_writable
(gst_static_caps_get (&gst_video_scale_format_caps[i])));
g_once_init_leave (&inited, 1);
}
return caps;
@ -196,9 +200,6 @@ gst_video_scale_sink_template_factory (void)
}
static void gst_video_scale_base_init (gpointer g_class);
static void gst_video_scale_class_init (GstVideoScaleClass * klass);
static void gst_video_scale_init (GstVideoScale * videoscale);
static void gst_video_scale_finalize (GstVideoScale * videoscale);
static gboolean gst_video_scale_src_event (GstBaseTransform * trans,
GstEvent * event);
@ -220,33 +221,8 @@ static void gst_video_scale_set_property (GObject * object, guint prop_id,
static void gst_video_scale_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstElementClass *parent_class = NULL;
GType
gst_video_scale_get_type (void)
{
static GType video_scale_type = 0;
if (!video_scale_type) {
static const GTypeInfo video_scale_info = {
sizeof (GstVideoScaleClass),
gst_video_scale_base_init,
NULL,
(GClassInitFunc) gst_video_scale_class_init,
NULL,
NULL,
sizeof (GstVideoScale),
0,
(GInstanceInitFunc) gst_video_scale_init,
};
video_scale_type =
g_type_register_static (GST_TYPE_BASE_TRANSFORM, "GstVideoScale",
&video_scale_info, 0);
}
return video_scale_type;
}
GST_BOILERPLATE (GstVideoScale, gst_video_scale, GstVideoFilter,
GST_TYPE_VIDEO_FILTER);
static void
gst_video_scale_base_init (gpointer g_class)
@ -266,11 +242,8 @@ gst_video_scale_base_init (gpointer g_class)
static void
gst_video_scale_class_init (GstVideoScaleClass * klass)
{
GObjectClass *gobject_class;
GstBaseTransformClass *trans_class;
gobject_class = (GObjectClass *) klass;
trans_class = (GstBaseTransformClass *) klass;
GObjectClass *gobject_class = (GObjectClass *) klass;
GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass;
gobject_class->finalize = (GObjectFinalizeFunc) gst_video_scale_finalize;
gobject_class->set_property = gst_video_scale_set_property;
@ -291,14 +264,11 @@ gst_video_scale_class_init (GstVideoScaleClass * klass)
trans_class->src_event = GST_DEBUG_FUNCPTR (gst_video_scale_src_event);
trans_class->passthrough_on_same_caps = TRUE;
parent_class = g_type_class_peek_parent (klass);
}
static void
gst_video_scale_init (GstVideoScale * videoscale)
gst_video_scale_init (GstVideoScale * videoscale, GstVideoScaleClass * klass)
{
gst_base_transform_set_qos_enabled (GST_BASE_TRANSFORM (videoscale), TRUE);
videoscale->tmp_buf = NULL;
videoscale->method = DEFAULT_PROP_METHOD;
}
@ -352,15 +322,12 @@ static GstCaps *
gst_video_scale_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps)
{
GstVideoScale *videoscale;
GstCaps *ret;
GstStructure *structure;
/* this function is always called with a simple caps */
g_return_val_if_fail (GST_CAPS_IS_SIMPLE (caps), NULL);
videoscale = GST_VIDEO_SCALE (trans);
ret = gst_caps_copy (caps);
structure = gst_structure_copy (gst_caps_get_structure (ret, 0));
@ -388,7 +355,7 @@ gst_video_scale_transform_caps (GstBaseTransform * trans,
static int
gst_video_scale_get_format (GstCaps * caps)
{
int i;
gint i;
GstCaps *icaps, *scaps;
for (i = 0; i < G_N_ELEMENTS (gst_video_scale_format_caps); i++) {
@ -526,11 +493,9 @@ parse_caps (GstCaps * caps, gint * format, gint * width, gint * height,
static gboolean
gst_video_scale_set_caps (GstBaseTransform * trans, GstCaps * in, GstCaps * out)
{
GstVideoScale *videoscale;
GstVideoScale *videoscale = GST_VIDEO_SCALE (trans);
gboolean ret;
videoscale = GST_VIDEO_SCALE (trans);
ret = parse_caps (in, &videoscale->format, &videoscale->from_width,
&videoscale->from_height, &videoscale->interlaced);
ret &=
@ -570,14 +535,12 @@ static gboolean
gst_video_scale_get_unit_size (GstBaseTransform * trans, GstCaps * caps,
guint * size)
{
GstVideoScale *videoscale;
GstVideoScale *videoscale = GST_VIDEO_SCALE (trans);
gint format, width, height;
VSImage img;
g_assert (size);
videoscale = GST_VIDEO_SCALE (trans);
if (!parse_caps (caps, &format, &width, &height, NULL))
return FALSE;
@ -1071,13 +1034,11 @@ unknown_mode:
static gboolean
gst_video_scale_src_event (GstBaseTransform * trans, GstEvent * event)
{
GstVideoScale *videoscale;
GstVideoScale *videoscale = GST_VIDEO_SCALE (trans);
gboolean ret;
double a;
gdouble a;
GstStructure *structure;
videoscale = GST_VIDEO_SCALE (trans);
GST_DEBUG_OBJECT (videoscale, "handling %s event",
GST_EVENT_TYPE_NAME (event));
@ -1096,8 +1057,6 @@ gst_video_scale_src_event (GstBaseTransform * trans, GstEvent * event)
a * videoscale->from_height / videoscale->to_height, NULL);
}
break;
case GST_EVENT_QOS:
break;
default:
break;
}

5
gst/videoscale/gstvideoscale.h
View file

@ -22,6 +22,7 @@
#include <gst/gst.h>
#include <gst/base/gstbasetransform.h>
#include <gst/video/gstvideofilter.h>
#include "vs_image.h"
@ -64,7 +65,7 @@ typedef struct _GstVideoScaleClass GstVideoScaleClass;
* Opaque data structure
*/
struct _GstVideoScale {
GstBaseTransform element;
GstVideoFilter element;
GstVideoScaleMethod method;
@ -85,7 +86,7 @@ struct _GstVideoScale {
};
struct _GstVideoScaleClass {
GstBaseTransformClass parent_class;
GstVideoFilterClass parent_class;
};
GType gst_video_scale_get_type(void);