#include "gstwarp.h"
-#include <gst/video/video.h>
-
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
-GST_BOILERPLATE (GstWarpTV, gst_warptv, GstVideoFilter, GST_TYPE_VIDEO_FILTER);
+#define gst_warptv_parent_class parent_class
+G_DEFINE_TYPE (GstWarpTV, gst_warptv, GST_TYPE_VIDEO_FILTER);
static void initSinTable ();
-static void initOffsTable (GstWarpTV * filter);
-static void initDistTable (GstWarpTV * filter);
+static void initOffsTable (GstWarpTV * filter, gint width, gint height);
+static void initDistTable (GstWarpTV * filter, gint width, gint height);
static GstStaticPadTemplate gst_warptv_src_template =
- GST_STATIC_PAD_TEMPLATE ("src",
+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)
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ RGBx, xRGB, BGRx, xBGR }"))
);
static GstStaticPadTemplate gst_warptv_sink_template =
- GST_STATIC_PAD_TEMPLATE ("sink",
+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)
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ RGBx, xRGB, BGRx, xBGR }"))
);
static gboolean
GstCaps * outcaps)
{
GstWarpTV *filter = GST_WARPTV (btrans);
- GstStructure *structure;
- gboolean ret = FALSE;
+ GstVideoInfo info;
+ gint width, height;
- structure = gst_caps_get_structure (incaps, 0);
+ if (!gst_video_info_from_caps (&info, incaps))
+ goto invalid_caps;
- GST_OBJECT_LOCK (filter);
- 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);
+ filter->info = info;
- filter->offstable = g_malloc (filter->height * sizeof (guint32));
- filter->disttable =
- g_malloc (filter->width * filter->height * sizeof (guint32));
+ width = GST_VIDEO_INFO_WIDTH (&info);
+ height = GST_VIDEO_INFO_HEIGHT (&info);
- initOffsTable (filter);
- initDistTable (filter);
- ret = TRUE;
- }
- GST_OBJECT_UNLOCK (filter);
+ g_free (filter->disttable);
+ g_free (filter->offstable);
+ filter->offstable = g_malloc (height * sizeof (guint32));
+ filter->disttable = g_malloc (width * height * sizeof (guint32));
+ initOffsTable (filter, width, height);
+ initDistTable (filter, width, height);
- return ret;
+ return TRUE;
+
+ /* ERRORS */
+invalid_caps:
+ {
+ GST_DEBUG_OBJECT (filter, "invalid caps received");
+ return FALSE;
+ }
}
static gint32 sintable[1024 + 256];
}
static void
-initOffsTable (GstWarpTV * filter)
+initOffsTable (GstWarpTV * filter, gint width, gint height)
{
gint y;
- for (y = 0; y < filter->height; y++) {
- filter->offstable[y] = y * filter->width;
+ for (y = 0; y < height; y++) {
+ filter->offstable[y] = y * width;
}
}
static void
-initDistTable (GstWarpTV * filter)
+initDistTable (GstWarpTV * filter, gint width, gint height)
{
gint32 halfw, halfh, *distptr;
gint x, y;
float m;
#endif
- halfw = filter->width >> 1;
- halfh = filter->height >> 1;
+ halfw = width >> 1;
+ halfh = height >> 1;
distptr = filter->disttable;
{
GstWarpTV *warptv = GST_WARPTV (trans);
gint width, 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 *ctable;
- GstFlowReturn ret = GST_FLOW_OK;
+ guint32 *src, *dest;
+ GstVideoFrame in_frame, out_frame;
- GST_OBJECT_LOCK (warptv);
- width = warptv->width;
- height = warptv->height;
+ gst_video_frame_map (&in_frame, &warptv->info, in, GST_MAP_READ);
+ gst_video_frame_map (&out_frame, &warptv->info, out, GST_MAP_WRITE);
+ src = GST_VIDEO_FRAME_PLANE_DATA (&in_frame, 0);
+ dest = GST_VIDEO_FRAME_PLANE_DATA (&out_frame, 0);
+
+ width = GST_VIDEO_FRAME_WIDTH (&in_frame);
+ height = GST_VIDEO_FRAME_HEIGHT (&in_frame);
+
+ GST_OBJECT_LOCK (warptv);
xw = (gint) (sin ((warptv->tval + 100) * M_PI / 128) * 30);
yw = (gint) (sin ((warptv->tval) * M_PI / 256) * -35);
cw = (gint) (sin ((warptv->tval - 70) * M_PI / 64) * 50);
warptv->tval = (warptv->tval + 1) & 511;
GST_OBJECT_UNLOCK (warptv);
- return ret;
+ gst_video_frame_unmap (&in_frame);
+ gst_video_frame_unmap (&out_frame);
+
+ return GST_FLOW_OK;
}
static gboolean
}
static void
-gst_warptv_base_init (gpointer g_class)
+gst_warptv_class_init (GstWarpTVClass * klass)
{
- GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+ GObjectClass *gobject_class = (GObjectClass *) klass;
+ GstElementClass *gstelement_class = (GstElementClass *) klass;
+ GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass;
+
+ gobject_class->finalize = gst_warptv_finalize;
- gst_element_class_set_details_simple (element_class, "WarpTV effect",
+ gst_element_class_set_details_simple (gstelement_class, "WarpTV effect",
"Filter/Effect/Video",
"WarpTV does realtime goo'ing of the video input",
"Sam Lantinga <slouken@devolution.com>");
- gst_element_class_add_pad_template (element_class,
+ gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&gst_warptv_sink_template));
- gst_element_class_add_pad_template (element_class,
+ gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&gst_warptv_src_template));
-}
-
-static void
-gst_warptv_class_init (GstWarpTVClass * klass)
-{
- GObjectClass *gobject_class = (GObjectClass *) klass;
- GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass;
-
- gobject_class->finalize = gst_warptv_finalize;
trans_class->start = GST_DEBUG_FUNCPTR (gst_warptv_start);
trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_warptv_set_caps);
}
static void
-gst_warptv_init (GstWarpTV * warptv, GstWarpTVClass * klass)
+gst_warptv_init (GstWarpTV * warptv)
{
gst_pad_use_fixed_caps (GST_BASE_TRANSFORM_SRC_PAD (warptv));
gst_pad_use_fixed_caps (GST_BASE_TRANSFORM_SINK_PAD (warptv));