#include "config.h"
#endif
-#include <gst/gst.h>
#include <gstvideofilter.h>
+
#include <string.h>
#include <math.h>
-#include "gsteffectv.h"
+
+#include <gst/video/video.h>
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
-
#define GST_TYPE_WARPTV \
(gst_warptv_get_type())
#define GST_WARPTV(obj) \
GstVideofilterClass parent_class;
};
+GType gst_warptv_get_type (void);
-/* GstWarpTV signals and args */
-enum
-{
- /* FILL ME */
- LAST_SIGNAL
-};
-
-enum
-{
- ARG_0
- /* FILL ME */
-};
-
-static void gst_warptv_base_init (gpointer g_class);
-static void gst_warptv_class_init (gpointer g_class, gpointer class_data);
-static void gst_warptv_init (GTypeInstance * instance, gpointer g_class);
-
-static void gst_warptv_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec);
-static void gst_warptv_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec);
-
-static void gst_warptv_setup (GstVideofilter * videofilter);
static void initSinTable (GstWarpTV * filter);
static void initOffsTable (GstWarpTV * filter);
static void initDistTable (GstWarpTV * filter);
-static void gst_warptv_rgb32 (GstVideofilter * videofilter, void *d, void *s);
-GType
-gst_warptv_get_type (void)
+static GstElementDetails warptv_details = GST_ELEMENT_DETAILS ("WarpTV",
+ "Filter/Effect/Video",
+ "WarpTV does realtime goo'ing of the video input",
+ "Sam Lantinga <slouken@devolution.com>");
+
+static GstStaticPadTemplate gst_warptv_src_template =
+ GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_RGBx ";" GST_VIDEO_CAPS_xRGB ";"
+ GST_VIDEO_CAPS_BGRx ";" GST_VIDEO_CAPS_xBGR)
+ );
+
+static GstStaticPadTemplate gst_warptv_sink_template =
+ GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_RGBx ";" GST_VIDEO_CAPS_xRGB ";"
+ GST_VIDEO_CAPS_BGRx ";" GST_VIDEO_CAPS_xBGR)
+ );
+
+static GstVideofilterClass *parent_class = NULL;
+
+static gboolean
+gst_warptv_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
+ GstCaps * outcaps)
{
- static GType warptv_type = 0;
+ GstWarpTV *filter = GST_WARPTV (btrans);
+ GstStructure *structure;
+ gboolean ret = FALSE;
- if (!warptv_type) {
- static const GTypeInfo warptv_info = {
- sizeof (GstWarpTVClass),
- gst_warptv_base_init,
- NULL,
- gst_warptv_class_init,
- NULL,
- NULL,
- sizeof (GstWarpTV),
- 0,
- gst_warptv_init,
- };
+ structure = gst_caps_get_structure (incaps, 0);
- warptv_type = g_type_register_static (GST_TYPE_VIDEOFILTER,
- "GstWarpTV", &warptv_info, 0);
- }
- return warptv_type;
-}
+ if (gst_structure_get_int (structure, "width", &filter->width) &&
+ gst_structure_get_int (structure, "height", &filter->height)) {
+ g_free (filter->disttable);
+ g_free (filter->offstable);
-static GstVideofilterFormat gst_warptv_formats[] = {
- {"RGB ", 32, gst_warptv_rgb32, 24, G_BIG_ENDIAN, 0x00ff0000, 0x0000ff00,
- 0x000000ff},
- {"RGB ", 32, gst_warptv_rgb32, 24, G_BIG_ENDIAN, 0xff000000, 0x00ff0000,
- 0x0000ff00},
- {"RGB ", 32, gst_warptv_rgb32, 24, G_BIG_ENDIAN, 0x000000ff, 0x0000ff00,
- 0x00ff0000},
- {"RGB ", 32, gst_warptv_rgb32, 24, G_BIG_ENDIAN, 0x0000ff00, 0x00ff0000,
- 0xff000000},
-};
+ filter->offstable = g_malloc (filter->height * sizeof (guint32));
+ filter->disttable =
+ g_malloc (filter->width * filter->height * sizeof (guint32));
-static void
-gst_warptv_base_init (gpointer g_class)
-{
- static GstElementDetails warptv_details = GST_ELEMENT_DETAILS ("WarpTV",
- "Filter/Effect/Video",
- "WarpTV does realtime goo'ing of the video input",
- "Sam Lantinga <slouken@devolution.com>");
- GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
- GstVideofilterClass *videofilter_class = GST_VIDEOFILTER_CLASS (g_class);
- int i;
-
- gst_element_class_set_details (element_class, &warptv_details);
-
- for (i = 0; i < G_N_ELEMENTS (gst_warptv_formats); i++) {
- gst_videofilter_class_add_format (videofilter_class,
- gst_warptv_formats + i);
+ initSinTable (filter);
+ initOffsTable (filter);
+ initDistTable (filter);
+ ret = TRUE;
}
- gst_videofilter_class_add_pad_templates (GST_VIDEOFILTER_CLASS (g_class));
+ return ret;
}
-static void
-gst_warptv_class_init (gpointer g_class, gpointer class_data)
+static gboolean
+gst_warptv_get_unit_size (GstBaseTransform * btrans, GstCaps * caps,
+ guint * size)
{
- GObjectClass *gobject_class;
- GstVideofilterClass *videofilter_class;
-
- gobject_class = G_OBJECT_CLASS (g_class);
- videofilter_class = GST_VIDEOFILTER_CLASS (g_class);
-
- gobject_class->set_property = gst_warptv_set_property;
- gobject_class->get_property = gst_warptv_get_property;
-
-#if 0
- g_object_class_install_property (gobject_class, ARG_METHOD,
- g_param_spec_enum ("method", "method", "method",
- GST_TYPE_WARPTV_METHOD, GST_WARPTV_METHOD_1, G_PARAM_READWRITE));
-#endif
-
- videofilter_class->setup = gst_warptv_setup;
-}
-
-static void
-gst_warptv_init (GTypeInstance * instance, gpointer g_class)
-{
- GstWarpTV *warptv = GST_WARPTV (instance);
- GstVideofilter *videofilter;
-
- GST_DEBUG ("gst_warptv_init");
-
- videofilter = GST_VIDEOFILTER (warptv);
-
- /* do stuff */
-}
-
-static void
-gst_warptv_set_property (GObject * object, guint prop_id, const GValue * value,
- GParamSpec * pspec)
-{
- GstWarpTV *src;
-
- g_return_if_fail (GST_IS_WARPTV (object));
- src = GST_WARPTV (object);
-
- GST_DEBUG ("gst_warptv_set_property");
- switch (prop_id) {
-#if 0
- case ARG_METHOD:
- src->method = g_value_get_enum (value);
- break;
-#endif
- default:
- break;
- }
-}
+ GstWarpTV *filter;
+ GstStructure *structure;
+ gboolean ret = FALSE;
+ gint width, height;
-static void
-gst_warptv_get_property (GObject * object, guint prop_id, GValue * value,
- GParamSpec * pspec)
-{
- GstWarpTV *src;
+ filter = GST_WARPTV (btrans);
- g_return_if_fail (GST_IS_WARPTV (object));
- src = GST_WARPTV (object);
+ structure = gst_caps_get_structure (caps, 0);
- switch (prop_id) {
-#if 0
- case ARG_METHOD:
- g_value_set_enum (value, src->method);
- break;
-#endif
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
+ if (gst_structure_get_int (structure, "width", &width) &&
+ gst_structure_get_int (structure, "height", &height)) {
+ *size = width * height * 32 / 8;
+ ret = TRUE;
+ GST_DEBUG_OBJECT (filter, "our frame size is %d bytes (%dx%d)", *size,
+ width, height);
}
-}
-
-
-static void
-gst_warptv_setup (GstVideofilter * videofilter)
-{
- GstWarpTV *warptv;
- int width = gst_videofilter_get_input_width (videofilter);
- int height = gst_videofilter_get_input_height (videofilter);
-
- g_return_if_fail (GST_IS_WARPTV (videofilter));
- warptv = GST_WARPTV (videofilter);
-
- /* if any setup needs to be done, do it here */
-
- warptv->width = width;
- warptv->height = height;
-#if 0
- /* FIXME this should be reset in PAUSE->READY, not here */
- warptv->tval = 0;
-#endif
-
- g_free (warptv->disttable);
- g_free (warptv->offstable);
- warptv->offstable = g_malloc (height * sizeof (guint32));
- warptv->disttable = g_malloc (width * height * sizeof (guint32));
-
- initSinTable (warptv);
- initOffsTable (warptv);
- initDistTable (warptv);
+ return ret;
}
static void
#endif
}
-static void
-gst_warptv_rgb32 (GstVideofilter * videofilter, void *d, void *s)
+static GstFlowReturn
+gst_warptv_transform (GstBaseTransform * trans, GstBuffer * in, GstBuffer * out)
{
- GstWarpTV *warptv;
- int width = gst_videofilter_get_input_width (videofilter);
- int height = gst_videofilter_get_input_height (videofilter);
- guint32 *src = s;
- guint32 *dest = d;
+ GstWarpTV *warptv = GST_WARPTV (trans);
+ int width = warptv->width;
+ int height = warptv->height;
+ guint32 *src = (guint32 *) GST_BUFFER_DATA (in);
+ guint32 *dest = (guint32 *) GST_BUFFER_DATA (out);
gint xw, yw, cw;
gint32 c, i, x, y, dx, dy, maxx, maxy;
gint32 skip, *ctptr, *distptr;
gint32 *sintable, *ctable;
+ GstFlowReturn ret = GST_FLOW_OK;
- g_return_if_fail (GST_IS_WARPTV (videofilter));
- warptv = GST_WARPTV (videofilter);
+ gst_buffer_stamp (out, in);
xw = (gint) (sin ((warptv->tval + 100) * M_PI / 128) * 30);
yw = (gint) (sin ((warptv->tval) * M_PI / 256) * -35);
}
warptv->tval = (warptv->tval + 1) & 511;
+
+ return ret;
+}
+
+static void
+gst_warptv_base_init (gpointer g_class)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+
+ gst_element_class_set_details (element_class, &warptv_details);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_warptv_sink_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&gst_warptv_src_template));
+}
+
+static void
+gst_warptv_class_init (gpointer klass, gpointer class_data)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *element_class;
+ GstBaseTransformClass *trans_class;
+
+ gobject_class = (GObjectClass *) klass;
+ element_class = (GstElementClass *) klass;
+ trans_class = (GstBaseTransformClass *) klass;
+
+ parent_class = g_type_class_peek_parent (klass);
+
+ trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_warptv_set_caps);
+ trans_class->get_unit_size = GST_DEBUG_FUNCPTR (gst_warptv_get_unit_size);
+ trans_class->transform = GST_DEBUG_FUNCPTR (gst_warptv_transform);
+}
+
+static void
+gst_warptv_init (GTypeInstance * instance, gpointer g_class)
+{
+}
+
+GType
+gst_warptv_get_type (void)
+{
+ static GType warptv_type = 0;
+
+ if (!warptv_type) {
+ static const GTypeInfo warptv_info = {
+ sizeof (GstWarpTVClass),
+ gst_warptv_base_init,
+ NULL,
+ gst_warptv_class_init,
+ NULL,
+ NULL,
+ sizeof (GstWarpTV),
+ 0,
+ gst_warptv_init,
+ };
+
+ warptv_type = g_type_register_static (GST_TYPE_VIDEOFILTER,
+ "GstWarpTV", &warptv_info, 0);
+ }
+ return warptv_type;
}
projects / platform / upstream / gstreamer.git / blobdiff