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warptv: Clean up warptv element and fix some minor bugs and leaks
This commit is contained in:
Sebastian Dröge
parent
f4fc26dc49
commit
cf58ba0fa5
1 changed files with 36 additions and 47 deletions
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@ -37,12 +37,13 @@
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#include "config.h"
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#endif
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#include <gst/video/gstvideofilter.h>
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#include <string.h>
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#include <math.h>
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <gst/video/gstvideofilter.h>
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#ifndef M_PI
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#define M_PI 3.14159265358979323846
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@ -79,18 +80,12 @@ struct _GstWarpTVClass
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GstVideoFilterClass parent_class;
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};
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GType gst_warptv_get_type (void);
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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 initOffsTable (GstWarpTV * filter);
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static void initDistTable (GstWarpTV * filter);
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static const GstElementDetails warptv_details =
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GST_ELEMENT_DETAILS ("WarpTV effect",
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"Filter/Effect/Video",
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"WarpTV does realtime goo'ing of the video input",
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"Sam Lantinga <slouken@devolution.com>");
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static GstStaticPadTemplate gst_warptv_src_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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@ -107,8 +102,6 @@ static GstStaticPadTemplate gst_warptv_sink_template =
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GST_VIDEO_CAPS_BGRx ";" GST_VIDEO_CAPS_xBGR)
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);
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static GstVideoFilterClass *parent_class = NULL;
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static gboolean
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gst_warptv_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
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GstCaps * outcaps)
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@ -141,13 +134,11 @@ static gboolean
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gst_warptv_get_unit_size (GstBaseTransform * btrans, GstCaps * caps,
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guint * size)
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{
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GstWarpTV *filter;
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GstWarpTV *filter = GST_WARPTV (btrans);
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GstStructure *structure;
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gboolean ret = FALSE;
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gint width, height;
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filter = GST_WARPTV (btrans);
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structure = gst_caps_get_structure (caps, 0);
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if (gst_structure_get_int (structure, "width", &width) &&
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@ -227,8 +218,6 @@ gst_warptv_transform (GstBaseTransform * trans, GstBuffer * in, GstBuffer * out)
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gint32 *sintable, *ctable;
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GstFlowReturn ret = GST_FLOW_OK;
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gst_buffer_copy_metadata (out, in, GST_BUFFER_COPY_TIMESTAMPS);
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xw = (gint) (sin ((warptv->tval + 100) * M_PI / 128) * 30);
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yw = (gint) (sin ((warptv->tval) * M_PI / 256) * -35);
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cw = (gint) (sin ((warptv->tval - 70) * M_PI / 64) * 50);
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@ -277,12 +266,36 @@ gst_warptv_transform (GstBaseTransform * trans, GstBuffer * in, GstBuffer * out)
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return ret;
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}
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static gboolean
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gst_warptv_start (GstBaseTransform * trans)
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{
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GstWarpTV *warptv = GST_WARPTV (trans);
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warptv->tval = 0;
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return TRUE;
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}
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static void
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gst_warptv_finalize (GObject * object)
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{
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GstWarpTV *warptv = GST_WARPTV (object);
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g_free (warptv->offstable);
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warptv->offstable = NULL;
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g_free (warptv->disttable);
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warptv->disttable = NULL;
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}
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static void
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gst_warptv_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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gst_element_class_set_details (element_class, &warptv_details);
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gst_element_class_set_details_simple (element_class, "WarpTV effect",
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"Filter/Effect/Video",
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"WarpTV does realtime goo'ing of the video input",
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"Sam Lantinga <slouken@devolution.com>");
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_warptv_sink_template));
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@ -291,44 +304,20 @@ gst_warptv_base_init (gpointer g_class)
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}
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static void
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gst_warptv_class_init (gpointer klass, gpointer class_data)
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gst_warptv_class_init (GstWarpTVClass * klass)
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{
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GstBaseTransformClass *trans_class;
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GObjectClass *gobject_class = (GObjectClass *) klass;
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GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass;
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trans_class = (GstBaseTransformClass *) klass;
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parent_class = g_type_class_peek_parent (klass);
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gobject_class->finalize = gst_warptv_finalize;
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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->get_unit_size = GST_DEBUG_FUNCPTR (gst_warptv_get_unit_size);
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trans_class->transform = GST_DEBUG_FUNCPTR (gst_warptv_transform);
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}
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static void
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gst_warptv_init (GTypeInstance * instance, gpointer g_class)
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gst_warptv_init (GstWarpTV * warptv, GstWarpTVClass * klass)
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{
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}
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GType
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gst_warptv_get_type (void)
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{
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static GType warptv_type = 0;
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if (!warptv_type) {
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static const GTypeInfo warptv_info = {
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sizeof (GstWarpTVClass),
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gst_warptv_base_init,
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NULL,
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gst_warptv_class_init,
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NULL,
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NULL,
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sizeof (GstWarpTV),
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0,
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gst_warptv_init,
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};
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warptv_type = g_type_register_static (GST_TYPE_VIDEO_FILTER,
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"GstWarpTV", &warptv_info, 0);
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}
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return warptv_type;
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}
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