* <refsect2>
* <title>Example launch line</title>
* |[
- * gst-launch -v videotestsrc ! optv ! ffmpegcolorspace ! autovideosink
+ * gst-launch -v videotestsrc ! optv ! videoconvert ! autovideosink
* ]| This pipeline shows the effect of optv on a test stream.
* </refsect2>
*/
static guint32 palette[256];
-GST_BOILERPLATE (GstOpTV, gst_optv, GstVideoFilter, GST_TYPE_VIDEO_FILTER);
+#define gst_optv_parent_class parent_class
+G_DEFINE_TYPE (GstOpTV, gst_optv, GST_TYPE_VIDEO_FILTER);
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
-#define CAPS_STR GST_VIDEO_CAPS_BGRx ";" GST_VIDEO_CAPS_RGBx
+#define CAPS_STR GST_VIDEO_CAPS_MAKE ("{ BGRx, RGBx }")
#else
-#define CAPS_STR GST_VIDEO_CAPS_xBGR ";" GST_VIDEO_CAPS_xRGB
+#define CAPS_STR GST_VIDEO_CAPS_MAKE ("{ xBGR, xRGB }")
#endif
static GstStaticPadTemplate gst_optv_src_template =
{
GstOpTV *filter = GST_OPTV (trans);
guint32 *src, *dest;
- GstFlowReturn ret = GST_FLOW_OK;
+ GstVideoFrame in_frame, out_frame;
gint8 *p;
guint8 *diff;
gint x, y, width, height;
if (GST_CLOCK_TIME_IS_VALID (stream_time))
gst_object_sync_values (G_OBJECT (filter), stream_time);
- src = (guint32 *) GST_BUFFER_DATA (in);
- dest = (guint32 *) GST_BUFFER_DATA (out);
-
if (G_UNLIKELY (filter->opmap[0] == NULL))
return GST_FLOW_NOT_NEGOTIATED;
+ if (!gst_video_frame_map (&in_frame, &filter->info, in, GST_MAP_READ))
+ goto invalid_in;
+
+ if (!gst_video_frame_map (&out_frame, &filter->info, out, GST_MAP_WRITE))
+ goto invalid_out;
+
+ src = GST_VIDEO_FRAME_PLANE_DATA (&in_frame, 0);
+ dest = GST_VIDEO_FRAME_PLANE_DATA (&out_frame, 0);
+
+ width = GST_VIDEO_FRAME_WIDTH (&in_frame);
+ height = GST_VIDEO_FRAME_HEIGHT (&in_frame);
+
GST_OBJECT_LOCK (filter);
switch (filter->mode) {
default:
filter->phase -= filter->speed;
diff = filter->diff;
- image_y_over (src, diff, filter->threshold, filter->width * filter->height);
- height = filter->height;
- width = filter->width;
+ image_y_over (src, diff, filter->threshold, width * height);
phase = filter->phase;
for (y = 0; y < height; y++) {
}
GST_OBJECT_UNLOCK (filter);
- return ret;
+ gst_video_frame_unmap (&in_frame);
+ gst_video_frame_unmap (&out_frame);
+
+ return GST_FLOW_OK;
+
+ /* ERRORS */
+invalid_in:
+ {
+ GST_DEBUG_OBJECT (filter, "invalid input frame");
+ return GST_FLOW_ERROR;
+ }
+invalid_out:
+ {
+ GST_DEBUG_OBJECT (filter, "invalid output frame");
+ gst_video_frame_unmap (&in_frame);
+ return GST_FLOW_ERROR;
+ }
}
static gboolean
GstCaps * outcaps)
{
GstOpTV *filter = GST_OPTV (btrans);
- GstStructure *structure;
- gboolean ret = FALSE;
+ GstVideoInfo info;
+ gint i, width, height;
- structure = gst_caps_get_structure (incaps, 0);
-
- GST_OBJECT_LOCK (filter);
- if (gst_structure_get_int (structure, "width", &filter->width) &&
- gst_structure_get_int (structure, "height", &filter->height)) {
- gint i;
+ if (!gst_video_info_from_caps (&info, incaps))
+ goto invalid_caps;
- for (i = 0; i < 4; i++) {
- if (filter->opmap[i])
- g_free (filter->opmap[i]);
- filter->opmap[i] = g_new (gint8, filter->width * filter->height);
- }
- setOpmap (filter->opmap, filter->width, filter->height);
+ filter->info = info;
- if (filter->diff)
- g_free (filter->diff);
- filter->diff = g_new (guint8, filter->width * filter->height);
+ width = GST_VIDEO_INFO_WIDTH (&info);
+ height = GST_VIDEO_INFO_HEIGHT (&info);
- ret = TRUE;
+ for (i = 0; i < 4; i++) {
+ if (filter->opmap[i])
+ g_free (filter->opmap[i]);
+ filter->opmap[i] = g_new (gint8, width * height);
}
- GST_OBJECT_UNLOCK (filter);
+ setOpmap (filter->opmap, width, height);
+
+ if (filter->diff)
+ g_free (filter->diff);
+ filter->diff = g_new (guint8, width * height);
+
+ return TRUE;
- return ret;
+ /* ERRORS */
+invalid_caps:
+ {
+ GST_DEBUG_OBJECT (filter, "invalid caps received");
+ return FALSE;
+ }
}
static gboolean
}
static void
-gst_optv_base_init (gpointer g_class)
-{
- GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
-
- gst_element_class_set_details_simple (element_class, "OpTV effect",
- "Filter/Effect/Video",
- "Optical art meets real-time video effect",
- "FUKUCHI, Kentarou <fukuchi@users.sourceforge.net>, "
- "Sebastian Dröge <sebastian.droege@collabora.co.uk>");
-
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&gst_optv_sink_template));
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&gst_optv_src_template));
-}
-
-static void
gst_optv_class_init (GstOpTVClass * klass)
{
GObjectClass *gobject_class = (GObjectClass *) klass;
+ GstElementClass *gstelement_class = (GstElementClass *) klass;
GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass;
gobject_class->set_property = gst_optv_set_property;
"Luma threshold", 0, G_MAXINT, DEFAULT_THRESHOLD,
GST_PARAM_CONTROLLABLE | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ gst_element_class_set_details_simple (gstelement_class, "OpTV effect",
+ "Filter/Effect/Video",
+ "Optical art meets real-time video effect",
+ "FUKUCHI, Kentarou <fukuchi@users.sourceforge.net>, "
+ "Sebastian Dröge <sebastian.droege@collabora.co.uk>");
+
+ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&gst_optv_sink_template));
+ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&gst_optv_src_template));
+
trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_optv_set_caps);
trans_class->transform = GST_DEBUG_FUNCPTR (gst_optv_transform);
trans_class->start = GST_DEBUG_FUNCPTR (gst_optv_start);
}
static void
-gst_optv_init (GstOpTV * filter, GstOpTVClass * klass)
+gst_optv_init (GstOpTV * filter)
{
filter->speed = DEFAULT_SPEED;
filter->mode = DEFAULT_MODE;