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effectv: port vertigotv to 0.11
This commit is contained in:
Wim Taymans
parent
39f689dc97
commit
577f689f7e
2 changed files with 73 additions and 50 deletions
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@ -43,11 +43,10 @@
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#include "gstvertigo.h"
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#include <gst/video/video.h>
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#include <gst/controller/gstcontroller.h>
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GST_BOILERPLATE (GstVertigoTV, gst_vertigotv, GstVideoFilter,
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GST_TYPE_VIDEO_FILTER);
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#define gst_vertigotv_parent_class parent_class
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G_DEFINE_TYPE (GstVertigoTV, gst_vertigotv, GST_TYPE_VIDEO_FILTER);
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/* Filter signals and args */
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enum
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@ -58,9 +57,9 @@ enum
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};
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#if G_BYTE_ORDER == G_LITTLE_ENDIAN
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#define CAPS_STR GST_VIDEO_CAPS_RGBx ";" GST_VIDEO_CAPS_BGRx
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#define CAPS_STR GST_VIDEO_CAPS_MAKE ("{ RGBx, BGRx }")
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#else
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#define CAPS_STR GST_VIDEO_CAPS_xRGB ";" GST_VIDEO_CAPS_xBGR
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#define CAPS_STR GST_VIDEO_CAPS_MAKE ("{ xRGB, xBGR }")
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#endif
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static GstStaticPadTemplate gst_vertigotv_src_template =
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@ -82,28 +81,34 @@ gst_vertigotv_set_caps (GstBaseTransform * btrans, GstCaps * incaps,
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GstCaps * outcaps)
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{
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GstVertigoTV *filter = GST_VERTIGOTV (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 area, 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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gint area = filter->width * filter->height;
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filter->info = info;
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g_free (filter->buffer);
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filter->buffer = (guint32 *) g_malloc0 (area * 2 * 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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filter->current_buffer = filter->buffer;
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filter->alt_buffer = filter->buffer + area;
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filter->phase = 0;
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area = width * height;
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ret = TRUE;
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g_free (filter->buffer);
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filter->buffer = (guint32 *) g_malloc0 (area * 2 * sizeof (guint32));
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filter->current_buffer = filter->buffer;
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filter->alt_buffer = filter->buffer + area;
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filter->phase = 0;
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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 void
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@ -113,15 +118,19 @@ gst_vertigotv_set_parms (GstVertigoTV * filter)
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double t;
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double x, y;
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double dizz;
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gint width, height;
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dizz = sin (filter->phase) * 10 + sin (filter->phase * 1.9 + 5) * 5;
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x = filter->width / 2;
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y = filter->height / 2;
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width = GST_VIDEO_INFO_WIDTH (&filter->info);
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height = GST_VIDEO_INFO_HEIGHT (&filter->info);
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x = width / 2;
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y = height / 2;
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t = (x * x + y * y) * filter->zoomrate;
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if (filter->width > filter->height) {
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if (width > height) {
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if (dizz >= 0) {
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if (dizz > x)
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dizz = x;
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@ -162,8 +171,8 @@ gst_vertigotv_transform (GstBaseTransform * trans, GstBuffer * in,
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guint32 *src, *dest, *p;
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guint32 v;
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gint x, y, ox, oy, i, width, height, area;
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GstFlowReturn ret = GST_FLOW_OK;
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GstClockTime timestamp, stream_time;
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GstVideoFrame in_frame, out_frame;
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timestamp = GST_BUFFER_TIMESTAMP (in);
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stream_time =
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@ -175,13 +184,18 @@ gst_vertigotv_transform (GstBaseTransform * trans, GstBuffer * in,
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if (GST_CLOCK_TIME_IS_VALID (stream_time))
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gst_object_sync_values (G_OBJECT (filter), stream_time);
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src = (guint32 *) GST_BUFFER_DATA (in);
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dest = (guint32 *) GST_BUFFER_DATA (out);
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if (!gst_video_frame_map (&in_frame, &filter->info, in, GST_MAP_READ))
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goto invalid_in;
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GST_OBJECT_LOCK (filter);
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if (!gst_video_frame_map (&out_frame, &filter->info, out, GST_MAP_WRITE))
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goto invalid_out;
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src = GST_VIDEO_FRAME_PLANE_DATA (&in_frame, 0);
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dest = GST_VIDEO_FRAME_PLANE_DATA (&in_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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width = filter->width;
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height = filter->height;
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area = width * height;
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gst_vertigotv_set_parms (filter);
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@ -214,9 +228,22 @@ gst_vertigotv_transform (GstBaseTransform * trans, GstBuffer * in,
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p = filter->current_buffer;
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filter->current_buffer = filter->alt_buffer;
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filter->alt_buffer = p;
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GST_OBJECT_UNLOCK (filter);
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return ret;
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return GST_FLOW_OK;
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/* ERRORS */
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invalid_in:
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{
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GST_DEBUG_OBJECT (filter, "invalid input frame");
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return GST_FLOW_ERROR;
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}
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invalid_out:
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{
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GST_DEBUG_OBJECT (filter, "invalid output frame");
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gst_video_frame_unmap (&in_frame);
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return GST_FLOW_ERROR;
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}
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}
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static gboolean
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@ -279,26 +306,11 @@ gst_vertigotv_finalize (GObject * object)
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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gst_vertigotv_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_simple (element_class, "VertigoTV effect",
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"Filter/Effect/Video",
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"A loopback alpha blending effector with rotating and scaling",
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"Wim Taymans <wim.taymans@chello.be>");
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_vertigotv_sink_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_vertigotv_src_template));
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}
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static void
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gst_vertigotv_class_init (GstVertigoTVClass * klass)
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{
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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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gobject_class->set_property = gst_vertigotv_set_property;
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@ -313,13 +325,23 @@ gst_vertigotv_class_init (GstVertigoTVClass * klass)
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"Control the rate of zooming", 1.01, 1.1, 1.01,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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gst_element_class_set_details_simple (gstelement_class, "VertigoTV effect",
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"Filter/Effect/Video",
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"A loopback alpha blending effector with rotating and scaling",
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"Wim Taymans <wim.taymans@gmail.be>");
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&gst_vertigotv_sink_template));
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&gst_vertigotv_src_template));
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trans_class->start = GST_DEBUG_FUNCPTR (gst_vertigotv_start);
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trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_vertigotv_set_caps);
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trans_class->transform = GST_DEBUG_FUNCPTR (gst_vertigotv_transform);
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}
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static void
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gst_vertigotv_init (GstVertigoTV * filter, GstVertigoTVClass * klass)
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gst_vertigotv_init (GstVertigoTV * filter)
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{
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filter->buffer = NULL;
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filter->phase = 0.0;
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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 _GstVertigoTV
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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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guint32 *buffer;
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guint32 *current_buffer, *alt_buffer;
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gint dx, dy;
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