mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-07-29 09:45:07 +00:00
Code Issues 1 Projects Releases Wiki Activity

smptealpha: Some random cleanup

Browse source
This commit is contained in:
Sebastian Dröge 2010-04-16 17:18:15 +02:00
parent 04a1b1dc48
commit 56d4230b22
2 changed files with 27 additions and 113 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

139
gst/smpte/gstsmptealpha.c
View file

@ -77,12 +77,7 @@ static GstStaticPadTemplate gst_smpte_alpha_sink_template =
)
);
/* SMPTE signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
/* SMPTE signals and properties */
#define DEFAULT_PROP_TYPE 1
#define DEFAULT_PROP_BORDER 0
@ -139,9 +134,6 @@ gst_smpte_alpha_transition_type_get_type (void)
}
static void gst_smpte_alpha_class_init (GstSMPTEAlphaClass * klass);
static void gst_smpte_alpha_base_init (GstSMPTEAlphaClass * klass);
static void gst_smpte_alpha_init (GstSMPTEAlpha * smpte);
static void gst_smpte_alpha_finalize (GstSMPTEAlpha * smpte);
static void gst_smpte_alpha_set_property (GObject * object, guint prop_id,
@ -156,37 +148,11 @@ static gboolean gst_smpte_alpha_get_unit_size (GstBaseTransform * btrans,
static GstFlowReturn gst_smpte_alpha_transform (GstBaseTransform * trans,
GstBuffer * in, GstBuffer * out);
static GstElementClass *parent_class = NULL;
/*static guint gst_smpte_alpha_signals[LAST_SIGNAL] = { 0 }; */
static GType
gst_smpte_alpha_get_type (void)
{
static GType smpte_type = 0;
if (!smpte_type) {
static const GTypeInfo smpte_info = {
sizeof (GstSMPTEAlphaClass),
(GBaseInitFunc) gst_smpte_alpha_base_init,
NULL,
(GClassInitFunc) gst_smpte_alpha_class_init,
NULL,
NULL,
sizeof (GstSMPTEAlpha),
0,
(GInstanceInitFunc) gst_smpte_alpha_init,
};
smpte_type =
g_type_register_static (GST_TYPE_VIDEO_FILTER, "GstSMPTEAlpha",
&smpte_info, 0);
}
return smpte_type;
}
GST_BOILERPLATE (GstSMPTEAlpha, gst_smpte_alpha, GstVideoFilter,
GST_TYPE_VIDEO_FILTER);
static void
gst_smpte_alpha_base_init (GstSMPTEAlphaClass * klass)
gst_smpte_alpha_base_init (gpointer klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
@ -203,13 +169,8 @@ gst_smpte_alpha_base_init (GstSMPTEAlphaClass * klass)
static void
gst_smpte_alpha_class_init (GstSMPTEAlphaClass * klass)
{
GObjectClass *gobject_class;
GstBaseTransformClass *trans_class;
gobject_class = (GObjectClass *) klass;
trans_class = (GstBaseTransformClass *) klass;
parent_class = g_type_class_peek_parent (klass);
GObjectClass *gobject_class = (GObjectClass *) klass;
GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass;
gobject_class->set_property = gst_smpte_alpha_set_property;
gobject_class->get_property = gst_smpte_alpha_get_property;
@ -225,7 +186,8 @@ gst_smpte_alpha_class_init (GstSMPTEAlphaClass * klass)
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BORDER,
g_param_spec_int ("border", "Border",
"The border width of the transition", 0, G_MAXINT,
DEFAULT_PROP_BORDER, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
DEFAULT_PROP_BORDER,
GST_PARAM_CONTROLLABLE | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_DEPTH,
g_param_spec_int ("depth", "Depth", "Depth of the mask in bits", 1, 24,
DEFAULT_PROP_DEPTH, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
@ -294,22 +256,12 @@ static gboolean
gst_smpte_alpha_setcaps (GstBaseTransform * btrans, GstCaps * incaps,
GstCaps * outcaps)
{
GstSMPTEAlpha *smpte;
GstStructure *structure;
GstSMPTEAlpha *smpte = GST_SMPTE_ALPHA (btrans);
gboolean ret;
gint width, height;
guint32 fourcc;
smpte = GST_SMPTE_ALPHA (btrans);
structure = gst_caps_get_structure (incaps, 0);
/* see if we can get essential info */
ret = gst_structure_get_int (structure, "width", &width);
ret &= gst_structure_get_int (structure, "height", &height);
ret &= gst_structure_get_fourcc (structure, "format", &fourcc);
if (!ret)
goto no_dimensions;
if (!gst_video_format_parse_caps (incaps, &smpte->format, &width, &height))
goto invalid_caps;
/* try to update the mask now, this will also adjust the width/height on
* success */
@ -321,23 +273,12 @@ gst_smpte_alpha_setcaps (GstBaseTransform * btrans, GstCaps * incaps,
if (!ret)
goto mask_failed;
switch (fourcc) {
case GST_MAKE_FOURCC ('A', 'Y', 'U', 'V'):
smpte->format = GST_VIDEO_FORMAT_AYUV;
break;
case GST_MAKE_FOURCC ('I', '4', '2', '0'):
smpte->format = GST_VIDEO_FORMAT_I420;
break;
default:
goto unsupported_fourcc;
}
return ret;
/* ERRORS */
no_dimensions:
invalid_caps:
{
GST_ERROR_OBJECT (smpte, "no width, height and fourcc given");
GST_ERROR_OBJECT (smpte, "Invalid caps: %" GST_PTR_FORMAT, incaps);
return FALSE;
}
mask_failed:
@ -345,48 +286,25 @@ mask_failed:
GST_ERROR_OBJECT (smpte, "failed creating the mask");
return FALSE;
}
unsupported_fourcc:
{
GST_ERROR_OBJECT (smpte, "unsupported fourcc %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (fourcc));
return FALSE;
}
}
static gboolean
gst_smpte_alpha_get_unit_size (GstBaseTransform * btrans, GstCaps * caps,
guint * size)
{
GstStructure *structure;
gboolean ret;
gint width, height;
guint32 fourcc;
GstVideoFormat format;
structure = gst_caps_get_structure (caps, 0);
if (!gst_video_format_parse_caps (caps, &format, &width, &height))
return FALSE;
ret = gst_structure_get_int (structure, "width", &width);
ret &= gst_structure_get_int (structure, "height", &height);
ret &= gst_structure_get_fourcc (structure, "format", &fourcc);
if (ret) {
switch (fourcc) {
case GST_MAKE_FOURCC ('A', 'Y', 'U', 'V'):
*size =
gst_video_format_get_size (GST_VIDEO_FORMAT_AYUV, width, height);
break;
case GST_MAKE_FOURCC ('I', '4', '2', '0'):
*size =
gst_video_format_get_size (GST_VIDEO_FORMAT_I420, width, height);
break;
default:
ret = FALSE;
break;
}
}
return ret;
*size = gst_video_format_get_size (format, width, height);
return TRUE;
}
static void
gst_smpte_alpha_init (GstSMPTEAlpha * smpte)
gst_smpte_alpha_init (GstSMPTEAlpha * smpte, GstSMPTEAlphaClass * klass)
{
smpte->type = DEFAULT_PROP_TYPE;
smpte->border = DEFAULT_PROP_BORDER;
@ -400,6 +318,7 @@ gst_smpte_alpha_finalize (GstSMPTEAlpha * smpte)
{
if (smpte->mask)
gst_mask_destroy (smpte->mask);
smpte->mask = NULL;
G_OBJECT_CLASS (parent_class)->finalize ((GObject *) smpte);
}
@ -511,13 +430,11 @@ static GstFlowReturn
gst_smpte_alpha_transform (GstBaseTransform * trans, GstBuffer * in,
GstBuffer * out)
{
GstSMPTEAlpha *smpte;
GstSMPTEAlpha *smpte = GST_SMPTE_ALPHA (trans);
GstClockTime timestamp, stream_time;
gdouble position;
gint border;
smpte = GST_SMPTE_ALPHA (trans);
/* first sync the controller to the current stream_time of the buffer */
timestamp = GST_BUFFER_TIMESTAMP (in);
stream_time =
@ -569,9 +486,7 @@ static void
gst_smpte_alpha_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstSMPTEAlpha *smpte;
smpte = GST_SMPTE_ALPHA (object);
GstSMPTEAlpha *smpte = GST_SMPTE_ALPHA (object);
switch (prop_id) {
case PROP_TYPE:{
@ -580,12 +495,10 @@ gst_smpte_alpha_set_property (GObject * object, guint prop_id,
type = g_value_get_enum (value);
GST_BASE_TRANSFORM_LOCK (smpte);
/* also lock with the object lock so that reading the property doesn't
* have to wait for the transform lock */
GST_OBJECT_LOCK (smpte);
GST_OBJECT_UNLOCK (smpte);
gst_smpte_alpha_update_mask (smpte, type, smpte->invert,
smpte->depth, smpte->width, smpte->height);
GST_OBJECT_UNLOCK (smpte);
GST_BASE_TRANSFORM_UNLOCK (smpte);
break;
}
@ -603,9 +516,9 @@ gst_smpte_alpha_set_property (GObject * object, guint prop_id,
/* also lock with the object lock so that reading the property doesn't
* have to wait for the transform lock */
GST_OBJECT_LOCK (smpte);
GST_OBJECT_UNLOCK (smpte);
gst_smpte_alpha_update_mask (smpte, smpte->type, smpte->invert,
depth, smpte->width, smpte->height);
GST_OBJECT_UNLOCK (smpte);
GST_BASE_TRANSFORM_UNLOCK (smpte);
break;
}
@ -622,9 +535,9 @@ gst_smpte_alpha_set_property (GObject * object, guint prop_id,
/* also lock with the object lock so that reading the property doesn't
* have to wait for the transform lock */
GST_OBJECT_LOCK (smpte);
GST_OBJECT_UNLOCK (smpte);
gst_smpte_alpha_update_mask (smpte, smpte->type, invert,
smpte->depth, smpte->width, smpte->height);
GST_OBJECT_UNLOCK (smpte);
GST_BASE_TRANSFORM_UNLOCK (smpte);
break;
}

1
gst/smpte/gstsmptealpha.h
View file

@ -67,6 +67,7 @@ struct _GstSMPTEAlphaClass {
GstVideoFilterClass parent_class;
};
GType gst_smpte_alpha_get_type (void);
gboolean gst_smpte_alpha_plugin_init (GstPlugin * plugin);
G_END_DECLS