static void gst_gl_filter_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
-static gboolean gst_gl_filter_src_query (GstPad * pad, GstQuery * query);
+static gboolean gst_gl_filter_src_query (GstPad * pad, GstObject * parent,
+ GstQuery * query);
static GstCaps *gst_gl_filter_transform_caps (GstBaseTransform * bt,
- GstPadDirection direction, GstCaps * caps);
+ GstPadDirection direction, GstCaps * caps, GstCaps * filter);
static void gst_gl_filter_reset (GstGLFilter * filter);
static gboolean gst_gl_filter_start (GstBaseTransform * bt);
static gboolean gst_gl_filter_stop (GstBaseTransform * bt);
static gboolean gst_gl_filter_get_unit_size (GstBaseTransform * trans,
- GstCaps * caps, guint * size);
+ GstCaps * caps, gsize * size);
static GstFlowReturn gst_gl_filter_transform (GstBaseTransform * bt,
GstBuffer * inbuf, GstBuffer * outbuf);
-static GstFlowReturn gst_gl_filter_prepare_output_buffer (GstBaseTransform *
- trans, GstBuffer * input, gint size, GstCaps * caps, GstBuffer ** buf);
static gboolean gst_gl_filter_set_caps (GstBaseTransform * bt, GstCaps * incaps,
GstCaps * outcaps);
-static gboolean gst_gl_filter_do_transform (GstGLFilter * filter,
- GstGLBuffer * inbuf, GstGLBuffer * outbuf);
+
/* GstGLDisplayThreadFunc */
static void gst_gl_filter_start_gl (GstGLDisplay * display, gpointer data);
static void gst_gl_filter_stop_gl (GstGLDisplay * display, gpointer data);
GstElementClass *element_class;
gobject_class = (GObjectClass *) klass;
- element_class = GST_ELEMENT_CLASS (klass)
+ element_class = GST_ELEMENT_CLASS (klass);
- gobject_class->set_property = gst_gl_filter_set_property;
+ gobject_class->set_property = gst_gl_filter_set_property;
gobject_class->get_property = gst_gl_filter_get_property;
GST_BASE_TRANSFORM_CLASS (klass)->transform_caps =
GST_BASE_TRANSFORM_CLASS (klass)->stop = gst_gl_filter_stop;
GST_BASE_TRANSFORM_CLASS (klass)->set_caps = gst_gl_filter_set_caps;
GST_BASE_TRANSFORM_CLASS (klass)->get_unit_size = gst_gl_filter_get_unit_size;
- GST_BASE_TRANSFORM_CLASS (klass)->prepare_output_buffer =
- gst_gl_filter_prepare_output_buffer;
g_object_class_install_property (gobject_class, PROP_EXTERNAL_OPENGL_CONTEXT,
g_param_spec_ulong ("external-opengl-context",
}
static gboolean
-gst_gl_filter_src_query (GstPad * pad, GstQuery * query)
+gst_gl_filter_src_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
gboolean res = FALSE;
- GstElement *parent = GST_ELEMENT (gst_pad_get_parent (pad));
GstGLFilter *filter = GST_GL_FILTER (parent);
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CUSTOM:
{
- GstStructure *structure = gst_query_get_structure (query);
+ GstStructure *structure = gst_query_writable_structure (query);
if (filter->display) {
/* this gl filter is a sink in terms of the gl chain */
gst_structure_set (structure, "gstgldisplay", G_TYPE_POINTER,
gst_structure_get_name (structure)) == 0;
}
if (!res)
- res = gst_pad_query_default (pad, query);
+ res = gst_pad_query_default (pad, parent, query);
break;
}
default:
- res = gst_pad_query_default (pad, query);
+ res = gst_pad_query_default (pad, parent, query);
break;
}
- gst_object_unref (parent);
-
return res;
}
return FALSE;
}
- structure = gst_structure_new (gst_element_get_name (filter), NULL);
- query = gst_query_new_application (GST_QUERY_CUSTOM, structure);
+ structure = gst_structure_new_empty (gst_element_get_name (filter));
+ query = gst_query_new_custom (GST_QUERY_CUSTOM, structure);
isPerformed = gst_element_query (parent, query);
static GstCaps *
gst_gl_filter_transform_caps (GstBaseTransform * bt,
- GstPadDirection direction, GstCaps * caps)
+ GstPadDirection direction, GstCaps * caps, GstCaps * filter)
{
//GstGLFilter* filter = GST_GL_FILTER (bt);
- GstStructure *structure = gst_caps_get_structure (caps, 0);
- GstCaps *ret = gst_caps_copy (caps);
- const GValue *par = NULL;
+ GstStructure *structure;
+ GstCaps *newcaps;
+ const GValue *par;
- structure = gst_structure_copy (gst_caps_get_structure (ret, 0));
+ par = NULL;
+ newcaps = gst_caps_make_writable (caps);
+ structure = gst_caps_get_structure (caps, 0);
+
+ structure = gst_structure_copy (gst_caps_get_structure (newcaps, 0));
gst_structure_set (structure,
"width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"height", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL);
- gst_caps_merge_structure (ret, gst_structure_copy (structure));
+ newcaps = gst_caps_merge_structure (newcaps, gst_structure_copy (structure));
if ((par = gst_structure_get_value (structure, "pixel-aspect-ratio"))) {
gst_structure_set (structure,
"pixel-aspect-ratio", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);
- gst_caps_merge_structure (ret, structure);
+ newcaps = gst_caps_merge_structure (newcaps, structure);
} else
gst_structure_free (structure);
- GST_DEBUG_OBJECT (bt, "returning caps: %" GST_PTR_FORMAT, ret);
+ GST_DEBUG_OBJECT (bt, "returning caps: %" GST_PTR_FORMAT, newcaps);
- return ret;
+ return newcaps;
}
static gboolean
gst_gl_filter_get_unit_size (GstBaseTransform * trans, GstCaps * caps,
- guint * size)
+ gsize * size)
{
gboolean ret = FALSE;
- gint width = 0;
- gint height = 0;
+ GstVideoInfo info;
- ret = gst_gl_buffer_parse_caps (caps, &width, &height);
+ ret = gst_video_info_from_caps (&info, caps);
if (ret)
- *size = gst_gl_buffer_get_size (width, height);
+ *size = GST_VIDEO_INFO_SIZE (&info);
return TRUE;
}
-static GstFlowReturn
-gst_gl_filter_prepare_output_buffer (GstBaseTransform * trans,
- GstBuffer * inbuf, gint size, GstCaps * caps, GstBuffer ** buf)
-{
- GstGLFilter *filter = NULL;
- GstGLBuffer *gl_outbuf = NULL;
-
- filter = GST_GL_FILTER (trans);
-
- gl_outbuf = gst_gl_buffer_new (filter->display,
- filter->width, filter->height);
-
- *buf = GST_BUFFER (gl_outbuf);
- gst_buffer_set_caps (*buf, caps);
-
- if (gl_outbuf->texture)
- return GST_FLOW_OK;
- else
- return GST_FLOW_UNEXPECTED;
-}
-
static gboolean
gst_gl_filter_set_caps (GstBaseTransform * bt, GstCaps * incaps,
GstCaps * outcaps)
{
- GstGLFilter *filter = GST_GL_FILTER (bt);
- gboolean ret = FALSE;
- GstGLFilterClass *filter_class = GST_GL_FILTER_GET_CLASS (filter);
+ GstVideoInfo info;
+ GstGLFilter *filter;
+ gboolean ret;
+ GstGLFilterClass *filter_class;
+
+ ret = FALSE;
+ filter = GST_GL_FILTER (bt);
+ filter_class = GST_GL_FILTER_GET_CLASS (filter);
if (!filter->display)
return FALSE;
- ret = gst_gl_buffer_parse_caps (outcaps, &filter->width, &filter->height);
+ ret = gst_video_info_from_caps (&info, outcaps);
+ filter->width = GST_VIDEO_INFO_WIDTH (&info);
+ filter->height = GST_VIDEO_INFO_HEIGHT (&info);
if (!ret) {
GST_DEBUG ("bad caps");
GstBuffer * outbuf)
{
GstGLFilter *filter;
- GstGLBuffer *gl_inbuf = GST_GL_BUFFER (inbuf);
- GstGLBuffer *gl_outbuf = GST_GL_BUFFER (outbuf);
+ GstGLFilterClass *filter_class;
filter = GST_GL_FILTER (bt);
+ filter_class = GST_GL_FILTER_GET_CLASS (bt);
- gst_gl_filter_do_transform (filter, gl_inbuf, gl_outbuf);
+ if (filter_class->filter)
+ filter_class->filter (filter, inbuf, outbuf);
return GST_FLOW_OK;
}
-static gboolean
-gst_gl_filter_do_transform (GstGLFilter * filter,
- GstGLBuffer * inbuf, GstGLBuffer * outbuf)
-{
- GstGLFilterClass *filter_class = GST_GL_FILTER_GET_CLASS (filter);
-
- filter_class->filter (filter, inbuf, outbuf);
-
- return TRUE;
-}
-
/* convenience functions to simplify filter development */
-
void
gst_gl_filter_render_to_target (GstGLFilter * filter,
GLuint input, GLuint target, GLCB func, gpointer data)