warptv: Make the sine table global instead of having it in every instance
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23967b03a7
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6eada080a0
@ -63,7 +63,7 @@
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GST_BOILERPLATE (GstWarpTV, gst_warptv, GstVideoFilter, GST_TYPE_VIDEO_FILTER);
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GST_BOILERPLATE (GstWarpTV, gst_warptv, GstVideoFilter, GST_TYPE_VIDEO_FILTER);
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static void initSinTable (GstWarpTV * filter);
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static void initSinTable ();
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static void initOffsTable (GstWarpTV * filter);
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static void initOffsTable (GstWarpTV * filter);
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static void initDistTable (GstWarpTV * filter);
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static void initDistTable (GstWarpTV * filter);
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@ -102,7 +102,6 @@ gst_warptv_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
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filter->disttable =
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filter->disttable =
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g_malloc (filter->width * filter->height * sizeof (guint32));
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g_malloc (filter->width * filter->height * sizeof (guint32));
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initSinTable (filter);
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initOffsTable (filter);
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initOffsTable (filter);
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initDistTable (filter);
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initDistTable (filter);
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ret = TRUE;
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ret = TRUE;
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@ -111,13 +110,15 @@ gst_warptv_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
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return ret;
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return ret;
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}
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}
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static gint32 sintable[1024 + 256];
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static void
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static void
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initSinTable (GstWarpTV * filter)
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initSinTable ()
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{
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{
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gint32 *tptr, *tsinptr;
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gint32 *tptr, *tsinptr;
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double i;
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double i;
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tsinptr = tptr = filter->sintable;
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tsinptr = tptr = sintable;
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for (i = 0; i < 1024; i++)
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for (i = 0; i < 1024; i++)
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*tptr++ = (int) (sin (i * M_PI / 512) * 32767);
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*tptr++ = (int) (sin (i * M_PI / 512) * 32767);
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@ -174,7 +175,7 @@ gst_warptv_transform (GstBaseTransform * trans, GstBuffer * in, GstBuffer * out)
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gint xw, yw, cw;
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gint xw, yw, cw;
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gint32 c, i, x, y, dx, dy, maxx, maxy;
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gint32 c, i, x, y, dx, dy, maxx, maxy;
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gint32 skip, *ctptr, *distptr;
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gint32 skip, *ctptr, *distptr;
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gint32 *sintable, *ctable;
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gint32 *ctable;
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GstFlowReturn ret = GST_FLOW_OK;
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GstFlowReturn ret = GST_FLOW_OK;
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xw = (gint) (sin ((warptv->tval + 100) * M_PI / 128) * 30);
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xw = (gint) (sin ((warptv->tval + 100) * M_PI / 128) * 30);
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@ -185,7 +186,6 @@ gst_warptv_transform (GstBaseTransform * trans, GstBuffer * in, GstBuffer * out)
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ctptr = warptv->ctable;
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ctptr = warptv->ctable;
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distptr = warptv->disttable;
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distptr = warptv->disttable;
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sintable = warptv->sintable;
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ctable = warptv->ctable;
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ctable = warptv->ctable;
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skip = 0; /* video_width*sizeof(RGB32)/4 - video_width;; */
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skip = 0; /* video_width*sizeof(RGB32)/4 - video_width;; */
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@ -275,6 +275,8 @@ gst_warptv_class_init (GstWarpTVClass * klass)
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trans_class->start = GST_DEBUG_FUNCPTR (gst_warptv_start);
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trans_class->start = GST_DEBUG_FUNCPTR (gst_warptv_start);
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trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_warptv_set_caps);
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trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_warptv_set_caps);
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trans_class->transform = GST_DEBUG_FUNCPTR (gst_warptv_transform);
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trans_class->transform = GST_DEBUG_FUNCPTR (gst_warptv_transform);
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initSinTable ();
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}
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}
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static void
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static void
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@ -54,7 +54,6 @@ struct _GstWarpTV
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gint *offstable;
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gint *offstable;
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gint32 *disttable;
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gint32 *disttable;
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gint32 ctable[1024];
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gint32 ctable[1024];
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gint32 sintable[1024 + 256];
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gint tval;
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gint tval;
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};
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};
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