diff options
Diffstat (limited to 'gst/deinterlace')
| -rw-r--r-- | gst/deinterlace/gstdeinterlace.c | 85 |
1 files changed, 43 insertions, 42 deletions
diff --git a/gst/deinterlace/gstdeinterlace.c b/gst/deinterlace/gstdeinterlace.c index 8b174e39..93a2bdb2 100644 --- a/gst/deinterlace/gstdeinterlace.c +++ b/gst/deinterlace/gstdeinterlace.c @@ -99,9 +99,10 @@ gst_deinterlace_get_type (void) 0, (GInstanceInitFunc) gst_deinterlace_init, }; + deinterlace_type = - g_type_register_static (GST_TYPE_ELEMENT, "GstDeInterlace", - &deinterlace_info, 0); + g_type_register_static (GST_TYPE_ELEMENT, "GstDeInterlace", + &deinterlace_info, 0); } return deinterlace_type; } @@ -130,10 +131,10 @@ gst_deinterlace_class_init (GstDeInterlaceClass * klass) parent_class = g_type_class_ref (GST_TYPE_ELEMENT); - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DI_ONLY, g_param_spec_boolean ("di_area_only", "di_area_only", "di_area_only", TRUE, G_PARAM_READWRITE)); /* CHECKME */ - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BLEND, g_param_spec_boolean ("blend", "blend", "blend", TRUE, G_PARAM_READWRITE)); /* CHECKME */ - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_THRESHOLD, g_param_spec_int ("threshold", "threshold", "threshold", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE)); /* CHECKME */ - g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_EDGE_DETECT, g_param_spec_int ("edge_detect", "edge_detect", "edge_detect", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE)); /* CHECKME */ + g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_DI_ONLY, g_param_spec_boolean ("di_area_only", "di_area_only", "di_area_only", TRUE, G_PARAM_READWRITE)); /* CHECKME */ + g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_BLEND, g_param_spec_boolean ("blend", "blend", "blend", TRUE, G_PARAM_READWRITE)); /* CHECKME */ + g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_THRESHOLD, g_param_spec_int ("threshold", "threshold", "threshold", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE)); /* CHECKME */ + g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_EDGE_DETECT, g_param_spec_int ("edge_detect", "edge_detect", "edge_detect", G_MININT, G_MAXINT, 0, G_PARAM_READWRITE)); /* CHECKME */ gobject_class->set_property = gst_deinterlace_set_property; gobject_class->get_property = gst_deinterlace_get_property; @@ -227,7 +228,7 @@ gst_deinterlace_chain (GstPad * pad, GstData * _data) memcpy (filter->src, yuvptr, filter->picsize); - y_dst = yuvptr; /* dst y pointer */ + y_dst = yuvptr; /* dst y pointer */ /* we should not change u,v because one u, v value stands for */ /* 2 pixels per 2 lines = 4 pixel and we don't want to change */ /* the color of */ @@ -241,7 +242,7 @@ gst_deinterlace_chain (GstPad * pad, GstData * _data) iEdgeDetect = 180; iEdgeDetect = iEdgeDetect * iEdgeDetect; - y1 = 0; /* Avoid compiler warning. The value is not used. */ + y1 = 0; /* Avoid compiler warning. The value is not used. */ for (x = 0; x < width; x++) { psrc3 = y_src + x; y3 = *psrc3; @@ -257,49 +258,49 @@ gst_deinterlace_chain (GstPad * pad, GstData * _data) y1 = y2; y2 = y3; if (y < height - 1) { - y3 = *psrc3; + y3 = *psrc3; } else { - y3 = y1; + y3 = y1; } iInterlaceValue0 = iInterlaceValue1; iInterlaceValue1 = iInterlaceValue2; if (y < height) - iInterlaceValue2 = ((y1 - y2) * (y3 - y2) - - ((iEdgeDetect * (y1 - y3) * (y1 - y3)) >> 12)) * 10; + iInterlaceValue2 = ((y1 - y2) * (y3 - y2) - + ((iEdgeDetect * (y1 - y3) * (y1 - y3)) >> 12)) * 10; else - iInterlaceValue2 = 0; + iInterlaceValue2 = 0; if (y > 0) { - if (iInterlaceValue0 + 2 * iInterlaceValue1 + iInterlaceValue2 > - iThreshold) { - if (bBlend) { - *pdst1 = (unsigned char) ((y0 + 2 * y1 + y2) >> 2); - } else { - /* this method seems to work better than blending if the */ - /* quality is pretty bad and the half pics don't fit together */ - if ((y % 2) == 1) { /* if odd simply copy the value */ - *pdst1 = *psrc1; - /**pdst1 = 0; // FIXME this is for adjusting an initial iThreshold */ - } else { /* even interpolate the even line (upper + lower)/2 */ - *pdst1 = (unsigned char) ((y0 + y2) >> 1); - /**pdst1 = 0; // FIXME this is for adjusting an initial iThreshold */ - } - } - } else { - /* so we went below the treshold and therefore we don't have to */ - /* change anything */ - if (bShowDeinterlacedAreaOnly) { - /* this is for testing to see how we should tune the treshhold */ - /* and shows as the things that haven't change because the */ - /* threshhold was to low?? (or shows that everything is ok :-) */ - *pdst1 = 0; /* blank the point and so the interlac area */ - } else { - *pdst1 = *psrc1; - } - } - pdst1 = pdst1 + y_line; + if (iInterlaceValue0 + 2 * iInterlaceValue1 + iInterlaceValue2 > + iThreshold) { + if (bBlend) { + *pdst1 = (unsigned char) ((y0 + 2 * y1 + y2) >> 2); + } else { + /* this method seems to work better than blending if the */ + /* quality is pretty bad and the half pics don't fit together */ + if ((y % 2) == 1) { /* if odd simply copy the value */ + *pdst1 = *psrc1; + /**pdst1 = 0; // FIXME this is for adjusting an initial iThreshold */ + } else { /* even interpolate the even line (upper + lower)/2 */ + *pdst1 = (unsigned char) ((y0 + y2) >> 1); + /**pdst1 = 0; // FIXME this is for adjusting an initial iThreshold */ + } + } + } else { + /* so we went below the treshold and therefore we don't have to */ + /* change anything */ + if (bShowDeinterlacedAreaOnly) { + /* this is for testing to see how we should tune the treshhold */ + /* and shows as the things that haven't change because the */ + /* threshhold was to low?? (or shows that everything is ok :-) */ + *pdst1 = 0; /* blank the point and so the interlac area */ + } else { + *pdst1 = *psrc1; + } + } + pdst1 = pdst1 + y_line; } } } @@ -370,7 +371,7 @@ static gboolean plugin_init (GstPlugin * plugin) { if (!gst_element_register (plugin, "deinterlace", GST_RANK_NONE, - gst_deinterlace_get_type ())) + gst_deinterlace_get_type ())) return FALSE; return TRUE; |