alpha: Use new transform_caps vmethod (with filter)

This commit is contained in:
Edward Hervey 2011-06-07 11:20:00 +02:00
parent 7389cb1513
commit 7505654cf7
2 changed files with 28 additions and 4 deletions

View file

@ -176,7 +176,7 @@ static gboolean gst_alpha_start (GstBaseTransform * trans);
static gboolean gst_alpha_get_unit_size (GstBaseTransform * btrans,
GstCaps * caps, gsize * size);
static GstCaps *gst_alpha_transform_caps (GstBaseTransform * btrans,
GstPadDirection direction, GstCaps * caps);
GstPadDirection direction, GstCaps * caps, GstCaps * filter);
static gboolean gst_alpha_set_caps (GstBaseTransform * btrans,
GstCaps * incaps, GstCaps * outcaps);
static GstFlowReturn gst_alpha_transform (GstBaseTransform * btrans,
@ -472,7 +472,7 @@ gst_alpha_get_unit_size (GstBaseTransform * btrans,
static GstCaps *
gst_alpha_transform_caps (GstBaseTransform * btrans,
GstPadDirection direction, GstCaps * caps)
GstPadDirection direction, GstCaps * caps, GstCaps * filter)
{
GstAlpha *alpha = GST_ALPHA (btrans);
GstCaps *ret, *tmp, *tmp2;
@ -527,6 +527,18 @@ gst_alpha_transform_caps (GstBaseTransform * btrans,
GST_DEBUG_OBJECT (alpha,
"Transformed %" GST_PTR_FORMAT " -> %" GST_PTR_FORMAT, caps, ret);
if (filter) {
GstCaps *intersection;
GST_DEBUG_OBJECT (alpha, "Using filter caps %" GST_PTR_FORMAT, filter);
intersection =
gst_caps_intersect_full (filter, ret, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (ret);
ret = intersection;
GST_DEBUG_OBJECT (alpha, "Intersection %" GST_PTR_FORMAT, ret);
}
GST_ALPHA_UNLOCK (alpha);
return ret;

View file

@ -65,7 +65,7 @@ static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
G_DEFINE_TYPE (GstAlphaColor, gst_alpha_color, GST_TYPE_VIDEO_FILTER);
static GstCaps *gst_alpha_color_transform_caps (GstBaseTransform * btrans,
GstPadDirection direction, GstCaps * caps);
GstPadDirection direction, GstCaps * caps, GstCaps * filter);
static gboolean gst_alpha_color_set_caps (GstBaseTransform * btrans,
GstCaps * incaps, GstCaps * outcaps);
static GstFlowReturn gst_alpha_color_transform_ip (GstBaseTransform * btrans,
@ -110,7 +110,7 @@ gst_alpha_color_init (GstAlphaColor * alpha)
static GstCaps *
gst_alpha_color_transform_caps (GstBaseTransform * btrans,
GstPadDirection direction, GstCaps * caps)
GstPadDirection direction, GstCaps * caps, GstCaps * filter)
{
const GstCaps *tmpl_caps = NULL;
GstCaps *result = NULL, *local_caps = NULL;
@ -156,6 +156,18 @@ gst_alpha_color_transform_caps (GstBaseTransform * btrans,
GST_LOG_OBJECT (btrans, "transformed %" GST_PTR_FORMAT " to %" GST_PTR_FORMAT,
caps, result);
if (filter) {
GstCaps *intersection;
GST_DEBUG_OBJECT (btrans, "Using filter caps %" GST_PTR_FORMAT, filter);
intersection =
gst_caps_intersect_full (filter, result, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (result);
result = intersection;
GST_DEBUG_OBJECT (btrans, "Intersection %" GST_PTR_FORMAT, result);
}
return result;
}