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warptv: Make the sine table global instead of having it in every instance

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This commit is contained in:
Sebastian Dröge 2009-07-24 19:37:09 +02:00
parent 23967b03a7
commit 6eada080a0
2 changed files with 8 additions and 7 deletions
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14
gst/effectv/gstwarp.c
View file

@ -63,7 +63,7 @@
GST_BOILERPLATE (GstWarpTV, gst_warptv, GstVideoFilter, GST_TYPE_VIDEO_FILTER);
static void initSinTable (GstWarpTV * filter);
static void initSinTable ();
static void initOffsTable (GstWarpTV * filter);
static void initDistTable (GstWarpTV * filter);
@ -102,7 +102,6 @@ gst_warptv_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
filter->disttable =
g_malloc (filter->width * filter->height * sizeof (guint32));
initSinTable (filter);
initOffsTable (filter);
initDistTable (filter);
ret = TRUE;
@ -111,13 +110,15 @@ gst_warptv_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
return ret;
}
static gint32 sintable[1024 + 256];
static void
initSinTable (GstWarpTV * filter)
initSinTable ()
{
gint32 *tptr, *tsinptr;
double i;
tsinptr = tptr = filter->sintable;
tsinptr = tptr = sintable;
for (i = 0; i < 1024; i++)
*tptr++ = (int) (sin (i * M_PI / 512) * 32767);
@ -174,7 +175,7 @@ gst_warptv_transform (GstBaseTransform * trans, GstBuffer * in, GstBuffer * out)
gint xw, yw, cw;
gint32 c, i, x, y, dx, dy, maxx, maxy;
gint32 skip, *ctptr, *distptr;
gint32 *sintable, *ctable;
gint32 *ctable;
GstFlowReturn ret = GST_FLOW_OK;
xw = (gint) (sin ((warptv->tval + 100) * M_PI / 128) * 30);
@ -185,7 +186,6 @@ gst_warptv_transform (GstBaseTransform * trans, GstBuffer * in, GstBuffer * out)
ctptr = warptv->ctable;
distptr = warptv->disttable;
sintable = warptv->sintable;
ctable = warptv->ctable;
skip = 0; /* video_width*sizeof(RGB32)/4 - video_width;; */
@ -275,6 +275,8 @@ gst_warptv_class_init (GstWarpTVClass * klass)
trans_class->start = GST_DEBUG_FUNCPTR (gst_warptv_start);
trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_warptv_set_caps);
trans_class->transform = GST_DEBUG_FUNCPTR (gst_warptv_transform);
initSinTable ();
}
static void

1
gst/effectv/gstwarp.h
View file

@ -54,7 +54,6 @@ struct _GstWarpTV
gint *offstable;
gint32 *disttable;
gint32 ctable[1024];
gint32 sintable[1024 + 256];
gint tval;
};