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warptv: port to 0.11
This commit is contained in:
Wim Taymans
parent
a462c14b9d
commit
be50d18a57
2 changed files with 62 additions and 57 deletions
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@ -55,32 +55,29 @@
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#include "gstwarp.h"
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#include <gst/video/video.h>
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#ifndef M_PI
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#define M_PI 3.14159265358979323846
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#endif
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GST_BOILERPLATE (GstWarpTV, gst_warptv, GstVideoFilter, GST_TYPE_VIDEO_FILTER);
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#define gst_warptv_parent_class parent_class
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G_DEFINE_TYPE (GstWarpTV, gst_warptv, GST_TYPE_VIDEO_FILTER);
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static void initSinTable ();
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static void initOffsTable (GstWarpTV * filter);
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static void initDistTable (GstWarpTV * filter);
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static void initOffsTable (GstWarpTV * filter, gint width, gint height);
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static void initDistTable (GstWarpTV * filter, gint width, gint height);
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static GstStaticPadTemplate gst_warptv_src_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_RGBx ";" GST_VIDEO_CAPS_xRGB ";"
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GST_VIDEO_CAPS_BGRx ";" GST_VIDEO_CAPS_xBGR)
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ RGBx, xRGB, BGRx, xBGR }"))
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);
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static GstStaticPadTemplate gst_warptv_sink_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_RGBx ";" GST_VIDEO_CAPS_xRGB ";"
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GST_VIDEO_CAPS_BGRx ";" GST_VIDEO_CAPS_xBGR)
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ RGBx, xRGB, BGRx, xBGR }"))
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);
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static gboolean
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@ -88,28 +85,32 @@ gst_warptv_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
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GstCaps * outcaps)
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{
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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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GstVideoInfo info;
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gint width, height;
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structure = gst_caps_get_structure (incaps, 0);
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if (!gst_video_info_from_caps (&info, incaps))
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goto invalid_caps;
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GST_OBJECT_LOCK (filter);
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if (gst_structure_get_int (structure, "width", &filter->width) &&
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gst_structure_get_int (structure, "height", &filter->height)) {
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g_free (filter->disttable);
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g_free (filter->offstable);
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filter->info = info;
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filter->offstable = g_malloc (filter->height * sizeof (guint32));
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filter->disttable =
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g_malloc (filter->width * filter->height * sizeof (guint32));
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width = GST_VIDEO_INFO_WIDTH (&info);
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height = GST_VIDEO_INFO_HEIGHT (&info);
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initOffsTable (filter);
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initDistTable (filter);
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ret = TRUE;
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g_free (filter->disttable);
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g_free (filter->offstable);
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filter->offstable = g_malloc (height * sizeof (guint32));
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filter->disttable = g_malloc (width * height * sizeof (guint32));
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initOffsTable (filter, width, height);
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initDistTable (filter, width, height);
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return TRUE;
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/* ERRORS */
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invalid_caps:
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{
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GST_DEBUG_OBJECT (filter, "invalid caps received");
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return FALSE;
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}
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GST_OBJECT_UNLOCK (filter);
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return ret;
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}
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static gint32 sintable[1024 + 256];
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@ -130,17 +131,17 @@ initSinTable (void)
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}
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static void
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initOffsTable (GstWarpTV * filter)
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initOffsTable (GstWarpTV * filter, gint width, gint height)
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{
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gint y;
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for (y = 0; y < filter->height; y++) {
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filter->offstable[y] = y * filter->width;
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for (y = 0; y < height; y++) {
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filter->offstable[y] = y * width;
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}
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}
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static void
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initDistTable (GstWarpTV * filter)
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initDistTable (GstWarpTV * filter, gint width, gint height)
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{
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gint32 halfw, halfh, *distptr;
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gint x, y;
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@ -150,8 +151,8 @@ initDistTable (GstWarpTV * filter)
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float m;
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#endif
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halfw = filter->width >> 1;
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halfh = filter->height >> 1;
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halfw = width >> 1;
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halfh = height >> 1;
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distptr = filter->disttable;
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@ -171,18 +172,23 @@ gst_warptv_transform (GstBaseTransform * trans, GstBuffer * in, GstBuffer * out)
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{
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GstWarpTV *warptv = GST_WARPTV (trans);
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gint width, height;
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guint32 *src = (guint32 *) GST_BUFFER_DATA (in);
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guint32 *dest = (guint32 *) GST_BUFFER_DATA (out);
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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 skip, *ctptr, *distptr;
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gint32 *ctable;
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GstFlowReturn ret = GST_FLOW_OK;
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guint32 *src, *dest;
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GstVideoFrame in_frame, out_frame;
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gst_video_frame_map (&in_frame, &warptv->info, in, GST_MAP_READ);
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gst_video_frame_map (&out_frame, &warptv->info, out, GST_MAP_WRITE);
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src = GST_VIDEO_FRAME_PLANE_DATA (&in_frame, 0);
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dest = GST_VIDEO_FRAME_PLANE_DATA (&out_frame, 0);
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width = GST_VIDEO_FRAME_WIDTH (&in_frame);
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height = GST_VIDEO_FRAME_HEIGHT (&in_frame);
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GST_OBJECT_LOCK (warptv);
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width = warptv->width;
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height = warptv->height;
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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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@ -228,7 +234,10 @@ gst_warptv_transform (GstBaseTransform * trans, GstBuffer * in, GstBuffer * out)
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warptv->tval = (warptv->tval + 1) & 511;
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GST_OBJECT_UNLOCK (warptv);
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return ret;
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gst_video_frame_unmap (&in_frame);
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gst_video_frame_unmap (&out_frame);
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return GST_FLOW_OK;
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}
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static gboolean
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@ -255,28 +264,23 @@ gst_warptv_finalize (GObject * object)
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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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gst_warptv_class_init (GstWarpTVClass * klass)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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GObjectClass *gobject_class = (GObjectClass *) klass;
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GstElementClass *gstelement_class = (GstElementClass *) klass;
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GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass;
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gst_element_class_set_details_simple (element_class, "WarpTV effect",
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gobject_class->finalize = gst_warptv_finalize;
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gst_element_class_set_details_simple (gstelement_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_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&gst_warptv_sink_template));
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gst_element_class_add_pad_template (element_class,
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&gst_warptv_src_template));
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}
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static void
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gst_warptv_class_init (GstWarpTVClass * klass)
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{
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GObjectClass *gobject_class = (GObjectClass *) klass;
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GstBaseTransformClass *trans_class = (GstBaseTransformClass *) 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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@ -286,7 +290,7 @@ gst_warptv_class_init (GstWarpTVClass * klass)
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}
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static void
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gst_warptv_init (GstWarpTV * warptv, GstWarpTVClass * klass)
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gst_warptv_init (GstWarpTV * warptv)
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{
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gst_pad_use_fixed_caps (GST_BASE_TRANSFORM_SRC_PAD (warptv));
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gst_pad_use_fixed_caps (GST_BASE_TRANSFORM_SINK_PAD (warptv));
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@ -26,6 +26,7 @@
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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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G_BEGIN_DECLS
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@ -49,8 +50,8 @@ struct _GstWarpTV
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GstVideoFilter videofilter;
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/* < private > */
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GstVideoInfo info;
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gint width, height;
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gint *offstable;
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gint32 *disttable;
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gint32 ctable[1024];
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