audiovisualizers: rename scopes plugin to audiovisualizers

10 files changed, 1809 insertions, 0 deletions

diff --git a/gst/audiovisualizers/Makefile.am b/gst/audiovisualizers/Makefile.am
new file mode 100644
index 000000000..ac999a582
--- /dev/null
+++ b/gst/audiovisualizers/Makefile.am
@@ -0,0 +1,35 @@
+plugin_LTLIBRARIES = libgstaudiovisualizers.la
+
+libgstaudiovisualizers_la_SOURCES = plugin.c \
+    gstbaseaudiovisualizer.c gstbaseaudiovisualizer.h \
+    gstspectrascope.c gstspectrascope.h \
+    gstsynaescope.c gstsynaescope.h \
+    gstwavescope.c gstwavescope.h
+
+libgstaudiovisualizers_la_CFLAGS = $(GST_PLUGINS_BAD_CFLAGS) \
+	$(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) \
+	$(GST_CONTROLLER_CFLAGS) $(GST_CFLAGS)
+libgstaudiovisualizers_la_LIBADD = \
+	$(GST_PLUGINS_BASE_LIBS) -lgstaudio-$(GST_MAJORMINOR) \
+	-lgstvideo-$(GST_MAJORMINOR) -lgstfft-$(GST_MAJORMINOR) \
+	$(GST_BASE_LIBS)  $(GST_CONTROLLER_LIBS) $(GST_LIBS) $(LIBM)
+libgstaudiovisualizers_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
+libgstaudiovisualizers_la_LIBTOOLFLAGS = --tag=disable-static
+
+noinst_HEADERS = gstbasescope.h \
+	gstspectrascope.h gstsynaescope.h gstwavescope.h
+
+Android.mk: Makefile.am $(BUILT_SOURCES)
+	androgenizer \
+	-:PROJECT audiovisualizers -:SHARED audiovisualizers \
+	 -:TAGS eng debug \
+         -:REL_TOP $(top_srcdir) -:ABS_TOP $(abs_top_srcdir) \
+	 -:SOURCES $(libgstaudiovisualizers_la_SOURCES) \
+	 -:CFLAGS $(DEFS) $(DEFAULT_INCLUDES) $(libgstaudiovisualizers_la_CFLAGS) \
+	 -:LDFLAGS $(libgstaudiovisualizers_la_LDFLAGS) \
+	           $(libgstaudiovisualizers_la_LIBADD) \
+	           -ldl \
+	 -:PASSTHROUGH LOCAL_ARM_MODE:=arm \
+		       LOCAL_MODULE_PATH:='$$(TARGET_OUT)/lib/gstreamer-0.10' \
+	> $@
+
diff --git a/gst/audiovisualizers/gstbasescope.c b/gst/audiovisualizers/gstbasescope.c
new file mode 100644
index 000000000..30d5bda16
--- /dev/null
+++ b/gst/audiovisualizers/gstbasescope.c
@@ -0,0 +1,796 @@
+/* GStreamer
+ * Copyright (C) <2011> Stefan Kost <ensonic@users.sf.net>
+ *
+ * gstbasescope.h: base class for audio visualisation elements
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+/**
+ * SECTION:gstbasescope
+ *
+ * A basclass for scopes. Takes care of re-fitting the audio-rate to video-rate.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#include <string.h>
+#include <gst/controller/gstcontroller.h>
+
+#include "gstbasescope.h"
+
+GST_DEBUG_CATEGORY_STATIC (base_scope_debug);
+#define GST_CAT_DEFAULT (base_scope_debug)
+
+#define DEFAULT_SHADER GST_BASE_SCOPE_SHADER_FADE
+#define DEFAULT_SHADE_AMOUNT   0x000a0a0a
+
+enum
+{
+  PROP_0,
+  PROP_SHADER,
+  PROP_SHADE_AMOUNT
+};
+
+static GstBaseTransformClass *parent_class = NULL;
+
+static void gst_base_scope_class_init (GstBaseScopeClass * klass);
+static void gst_base_scope_init (GstBaseScope * scope,
+    GstBaseScopeClass * g_class);
+static void gst_base_scope_set_property (GObject * object, guint prop_id,
+    const GValue * value, GParamSpec * pspec);
+static void gst_base_scope_get_property (GObject * object, guint prop_id,
+    GValue * value, GParamSpec * pspec);
+static void gst_base_scope_dispose (GObject * object);
+
+static gboolean gst_base_scope_src_negotiate (GstBaseScope * scope);
+static gboolean gst_base_scope_src_setcaps (GstPad * pad, GstCaps * caps);
+static gboolean gst_base_scope_sink_setcaps (GstPad * pad, GstCaps * caps);
+
+static GstFlowReturn gst_base_scope_chain (GstPad * pad, GstBuffer * buffer);
+static GstStateChangeReturn gst_base_scope_change_state (GstElement * element,
+    GstStateChange transition);
+
+/* shading functions */
+
+#define GST_TYPE_BASE_SCOPE_SHADER (gst_base_scope_shader_get_type())
+static GType
+gst_base_scope_shader_get_type (void)
+{
+  static GType shader_type = 0;
+  static const GEnumValue shaders[] = {
+    {GST_BASE_SCOPE_SHADER_NONE, "None", "none"},
+    {GST_BASE_SCOPE_SHADER_FADE, "Fade", "fade"},
+    {GST_BASE_SCOPE_SHADER_FADE_AND_MOVE_UP, "Fade and move up",
+        "fade-and-move-up"},
+    {GST_BASE_SCOPE_SHADER_FADE_AND_MOVE_DOWN, "Fade and move down",
+        "fade-and-move-down"},
+    {GST_BASE_SCOPE_SHADER_FADE_AND_MOVE_HORIZ_OUT,
+          "Fade and move horizontaly out",
+        "fade-and-move-horiz-out"},
+    {0, NULL, NULL},
+  };
+
+  if (G_UNLIKELY (shader_type == 0)) {
+    shader_type = g_enum_register_static ("GstBaseScopeShader", shaders);
+  }
+  return shader_type;
+}
+
+static void
+shader_fade (GstBaseScope * scope, const guint8 * s, guint8 * d)
+{
+  guint i, bpf = scope->bpf;
+  guint r = (scope->shade_amount >> 16) & 0xff;
+  guint g = (scope->shade_amount >> 8) & 0xff;
+  guint b = (scope->shade_amount >> 0) & 0xff;
+
+  /* we're only supporting GST_VIDEO_FORMAT_xRGB right now) */
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+  for (i = 0; i < bpf;) {
+    d[i] = (s[i] > b) ? s[i] - b : 0;
+    i++;
+    d[i] = (s[i] > g) ? s[i] - g : 0;
+    i++;
+    d[i] = (s[i] > r) ? s[i] - r : 0;
+    i++;
+    d[i++] = 0;
+  }
+#else
+  for (i = 0; i < bpf;) {
+    d[i++] = 0;
+    d[i] = (s[i] > r) ? s[i] - r : 0;
+    i++;
+    d[i] = (s[i] > g) ? s[i] - g : 0;
+    i++;
+    d[i] = (s[i] > b) ? s[i] - b : 0;
+    i++;
+  }
+#endif
+}
+
+static void
+shader_fade_and_move_up (GstBaseScope * scope, const guint8 * s, guint8 * d)
+{
+  guint i, j, bpf = scope->bpf;
+  guint bpl = 4 * scope->width;
+  guint r = (scope->shade_amount >> 16) & 0xff;
+  guint g = (scope->shade_amount >> 8) & 0xff;
+  guint b = (scope->shade_amount >> 0) & 0xff;
+
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+  for (j = 0, i = bpl; i < bpf;) {
+    d[j++] = (s[i] > b) ? s[i] - b : 0;
+    i++;
+    d[j++] = (s[i] > g) ? s[i] - g : 0;
+    i++;
+    d[j++] = (s[i] > r) ? s[i] - r : 0;
+    i++;
+    d[j++] = 0;
+    i++;
+  }
+  for (i = 0; i < bpl; i += 4) {
+    d[j] = (s[j] > b) ? s[j] - b : 0;
+    j++;
+    d[j] = (s[j] > g) ? s[j] - g : 0;
+    j++;
+    d[j] = (s[j] > r) ? s[j] - r : 0;
+    j++;
+    d[j++] = 0;
+  }
+#else
+  for (j = 0, i = bpl; i < bpf;) {
+    d[j++] = 0;
+    i++;
+    d[j++] = (s[i] > r) ? s[i] - r : 0;
+    i++;
+    d[j++] = (s[i] > g) ? s[i] - g : 0;
+    i++;
+    d[j++] = (s[i] > b) ? s[i] - b : 0;
+    i++;
+  }
+  for (i = 0; i < bpl; i += 4) {
+    d[j++] = 0;
+    d[j] = (s[j] > r) ? s[j] - r : 0;
+    j++;
+    d[j] = (s[j] > g) ? s[j] - g : 0;
+    j++;
+    d[j] = (s[j] > b) ? s[j] - b : 0;
+    j++;
+  }
+#endif
+}
+
+static void
+shader_fade_and_move_down (GstBaseScope * scope, const guint8 * s, guint8 * d)
+{
+  guint i, j, bpf = scope->bpf;
+  guint bpl = 4 * scope->width;
+  guint r = (scope->shade_amount >> 16) & 0xff;
+  guint g = (scope->shade_amount >> 8) & 0xff;
+  guint b = (scope->shade_amount >> 0) & 0xff;
+
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+  for (i = 0; i < bpl;) {
+    d[i] = (s[i] > b) ? s[i] - b : 0;
+    i++;
+    d[i] = (s[i] > g) ? s[i] - g : 0;
+    i++;
+    d[i] = (s[i] > r) ? s[i] - r : 0;
+    i++;
+    d[i++] = 0;
+  }
+  for (j = bpl, i = 0; j < bpf;) {
+    d[j++] = (s[i] > b) ? s[i] - b : 0;
+    i++;
+    d[j++] = (s[i] > g) ? s[i] - g : 0;
+    i++;
+    d[j++] = (s[i] > r) ? s[i] - r : 0;
+    i++;
+    d[j++] = 0;
+    i++;
+  }
+#else
+  for (i = 0; i < bpl;) {
+    d[i++] = 0;
+    d[i] = (s[i] > r) ? s[i] - r : 0;
+    i++;
+    d[i] = (s[i] > g) ? s[i] - g : 0;
+    i++;
+    d[i] = (s[i] > b) ? s[i] - b : 0;
+    i++;
+  }
+  for (j = bpl, i = 0; j < bpf;) {
+    d[j++] = 0;
+    i++;
+    d[j++] = (s[i] > r) ? s[i] - r : 0;
+    i++;
+    d[j++] = (s[i] > g) ? s[i] - g : 0;
+    i++;
+    d[j++] = (s[i] > b) ? s[i] - b : 0;
+    i++;
+  }
+#endif
+}
+
+static void
+shader_fade_and_move_horiz_out (GstBaseScope * scope, const guint8 * s,
+    guint8 * d)
+{
+  guint i, j, bpf = scope->bpf / 2;
+  guint bpl = 4 * scope->width;
+  guint r = (scope->shade_amount >> 16) & 0xff;
+  guint g = (scope->shade_amount >> 8) & 0xff;
+  guint b = (scope->shade_amount >> 0) & 0xff;
+
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+  /* middle up */
+  for (j = 0, i = bpl; i < bpf;) {
+    d[j++] = (s[i] > b) ? s[i] - b : 0;
+    i++;
+    d[j++] = (s[i] > g) ? s[i] - g : 0;
+    i++;
+    d[j++] = (s[i] > r) ? s[i] - r : 0;
+    i++;
+    d[j++] = 0;
+    i++;
+  }
+  for (i = 0; i < bpl; i += 4) {
+    d[j] = (s[j] > b) ? s[j] - b : 0;
+    j++;
+    d[j] = (s[j] > g) ? s[j] - g : 0;
+    j++;
+    d[j] = (s[j] > r) ? s[j] - r : 0;
+    j++;
+    d[j++] = 0;
+  }
+  /* middle down */
+  for (i = bpf; i < bpf + bpl;) {
+    d[i] = (s[i] > b) ? s[i] - b : 0;
+    i++;
+    d[i] = (s[i] > g) ? s[i] - g : 0;
+    i++;
+    d[i] = (s[i] > r) ? s[i] - r : 0;
+    i++;
+    d[i++] = 0;
+  }
+  for (j = bpf + bpl, i = bpf; j < bpf + bpf;) {
+    d[j++] = (s[i] > b) ? s[i] - b : 0;
+    i++;
+    d[j++] = (s[i] > g) ? s[i] - g : 0;
+    i++;
+    d[j++] = (s[i] > r) ? s[i] - r : 0;
+    i++;
+    d[j++] = 0;
+    i++;
+  }
+#else
+  /* middle up */
+  for (j = 0, i = bpl; i < bpf;) {
+    d[j++] = 0;
+    i++;
+    d[j++] = (s[i] > r) ? s[i] - r : 0;
+    i++;
+    d[j++] = (s[i] > g) ? s[i] - g : 0;
+    i++;
+    d[j++] = (s[i] > b) ? s[i] - b : 0;
+    i++;
+  }
+  for (i = 0; i < bpl; i += 4) {
+    d[j++] = 0;
+    d[j] = (s[j] > r) ? s[j] - r : 0;
+    j++;
+    d[j] = (s[j] > g) ? s[j] - g : 0;
+    j++;
+    d[j] = (s[j] > b) ? s[j] - b : 0;
+    j++;
+  }
+  /* middle down */
+  for (i = bpf; i < bpf + bpl;) {
+    d[i++] = 0;
+    d[i] = (s[i] > r) ? s[i] - r : 0;
+    i++;
+    d[i] = (s[i] > g) ? s[i] - g : 0;
+    i++;
+    d[i] = (s[i] > b) ? s[i] - b : 0;
+    i++;
+  }
+  for (j = bpf + bpl, i = bpf; j < bpf + bpf;) {
+    d[j++] = 0;
+    i++;
+    d[j++] = (s[i] > r) ? s[i] - r : 0;
+    i++;
+    d[j++] = (s[i] > g) ? s[i] - g : 0;
+    i++;
+    d[j++] = (s[i] > b) ? s[i] - b : 0;
+    i++;
+  }
+#endif
+}
+
+
+static void
+gst_base_scope_change_shader (GstBaseScope * scope)
+{
+  switch (scope->shader_type) {
+    case GST_BASE_SCOPE_SHADER_NONE:
+      scope->shader = NULL;
+      break;
+    case GST_BASE_SCOPE_SHADER_FADE:
+      scope->shader = shader_fade;
+      break;
+    case GST_BASE_SCOPE_SHADER_FADE_AND_MOVE_UP:
+      scope->shader = shader_fade_and_move_up;
+      break;
+    case GST_BASE_SCOPE_SHADER_FADE_AND_MOVE_DOWN:
+      scope->shader = shader_fade_and_move_down;
+      break;
+    case GST_BASE_SCOPE_SHADER_FADE_AND_MOVE_HORIZ_OUT:
+      scope->shader = shader_fade_and_move_horiz_out;
+      break;
+    default:
+      GST_ERROR ("invalid shader function");
+      scope->shader = NULL;
+      break;
+  }
+}
+
+/* base class */
+
+GType
+gst_base_scope_get_type (void)
+{
+  static volatile gsize base_scope_type = 0;
+
+  if (g_once_init_enter (&base_scope_type)) {
+    static const GTypeInfo base_scope_info = {
+      sizeof (GstBaseScopeClass),
+      NULL,
+      NULL,
+      (GClassInitFunc) gst_base_scope_class_init,
+      NULL,
+      NULL,
+      sizeof (GstBaseScope),
+      0,
+      (GInstanceInitFunc) gst_base_scope_init,
+    };
+    GType _type;
+
+    _type = g_type_register_static (GST_TYPE_ELEMENT,
+        "GstBaseScope", &base_scope_info, G_TYPE_FLAG_ABSTRACT);
+    g_once_init_leave (&base_scope_type, _type);
+  }
+  return (GType) base_scope_type;
+}
+
+static void
+gst_base_scope_class_init (GstBaseScopeClass * klass)
+{
+  GObjectClass *gobject_class = (GObjectClass *) klass;
+  GstElementClass *element_class = (GstElementClass *) klass;
+
+  parent_class = g_type_class_peek_parent (klass);
+
+  GST_DEBUG_CATEGORY_INIT (base_scope_debug, "basescope", 0,
+      "scope audio visualisation base class");
+
+  gobject_class->set_property = gst_base_scope_set_property;
+  gobject_class->get_property = gst_base_scope_get_property;
+  gobject_class->dispose = gst_base_scope_dispose;
+
+  element_class->change_state = GST_DEBUG_FUNCPTR (gst_base_scope_change_state);
+
+  g_object_class_install_property (gobject_class, PROP_SHADER,
+      g_param_spec_enum ("shader", "shader type",
+          "Shader function to apply on each frame", GST_TYPE_BASE_SCOPE_SHADER,
+          DEFAULT_SHADER,
+          G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
+  g_object_class_install_property (gobject_class, PROP_SHADE_AMOUNT,
+      g_param_spec_uint ("shade-amount", "shade amount",
+          "Shading color to use (big-endian ARGB)", 0, G_MAXUINT32,
+          DEFAULT_SHADE_AMOUNT,
+          G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
+}
+
+static void
+gst_base_scope_init (GstBaseScope * scope, GstBaseScopeClass * g_class)
+{
+  GstPadTemplate *pad_template;
+
+  /* create the sink and src pads */
+  pad_template =
+      gst_element_class_get_pad_template (GST_ELEMENT_CLASS (g_class), "sink");
+  g_return_if_fail (pad_template != NULL);
+  scope->sinkpad = gst_pad_new_from_template (pad_template, "sink");
+  gst_pad_set_chain_function (scope->sinkpad,
+      GST_DEBUG_FUNCPTR (gst_base_scope_chain));
+  gst_pad_set_setcaps_function (scope->sinkpad,
+      GST_DEBUG_FUNCPTR (gst_base_scope_sink_setcaps));
+  gst_element_add_pad (GST_ELEMENT (scope), scope->sinkpad);
+
+  pad_template =
+      gst_element_class_get_pad_template (GST_ELEMENT_CLASS (g_class), "src");
+  g_return_if_fail (pad_template != NULL);
+  scope->srcpad = gst_pad_new_from_template (pad_template, "src");
+  gst_pad_set_setcaps_function (scope->srcpad,
+      GST_DEBUG_FUNCPTR (gst_base_scope_src_setcaps));
+  gst_element_add_pad (GST_ELEMENT (scope), scope->srcpad);
+
+  scope->adapter = gst_adapter_new ();
+  scope->inbuf = gst_buffer_new ();
+
+  /* properties */
+  scope->shader_type = DEFAULT_SHADER;
+  gst_base_scope_change_shader (scope);
+  scope->shade_amount = DEFAULT_SHADE_AMOUNT;
+
+  /* reset the initial video state */
+  scope->width = 320;
+  scope->height = 200;
+  scope->fps_n = 25;            /* desired frame rate */
+  scope->fps_d = 1;
+  scope->frame_duration = GST_CLOCK_TIME_NONE;
+
+  /* reset the initial audio state */
+  scope->rate = GST_AUDIO_DEF_RATE;
+  scope->channels = 2;
+
+  scope->next_ts = GST_CLOCK_TIME_NONE;
+
+}
+
+static void
+gst_base_scope_set_property (GObject * object, guint prop_id,
+    const GValue * value, GParamSpec * pspec)
+{
+  GstBaseScope *scope = GST_BASE_SCOPE (object);
+
+  switch (prop_id) {
+    case PROP_SHADER:
+      scope->shader_type = g_value_get_enum (value);
+      gst_base_scope_change_shader (scope);
+      break;
+    case PROP_SHADE_AMOUNT:
+      scope->shade_amount = g_value_get_uint (value);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}
+
+static void
+gst_base_scope_get_property (GObject * object, guint prop_id,
+    GValue * value, GParamSpec * pspec)
+{
+  GstBaseScope *scope = GST_BASE_SCOPE (object);
+
+  switch (prop_id) {
+    case PROP_SHADER:
+      g_value_set_enum (value, scope->shader_type);
+      break;
+    case PROP_SHADE_AMOUNT:
+      g_value_set_uint (value, scope->shade_amount);
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}
+
+static void
+gst_base_scope_dispose (GObject * object)
+{
+  GstBaseScope *scope = GST_BASE_SCOPE (object);
+
+  if (scope->adapter) {
+    g_object_unref (scope->adapter);
+    scope->adapter = NULL;
+  }
+  if (scope->inbuf) {
+    gst_buffer_unref (scope->inbuf);
+    scope->inbuf = NULL;
+  }
+  if (scope->pixelbuf) {
+    g_free (scope->pixelbuf);
+    scope->pixelbuf = NULL;
+  }
+  G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static gboolean
+gst_base_scope_sink_setcaps (GstPad * pad, GstCaps * caps)
+{
+  GstBaseScope *scope;
+  GstStructure *structure;
+  gint channels;
+  gint rate;
+  gboolean res = TRUE;
+
+  scope = GST_BASE_SCOPE (gst_pad_get_parent (pad));
+  structure = gst_caps_get_structure (caps, 0);
+
+  if (!gst_structure_get_int (structure, "channels", &channels) ||
+      !gst_structure_get_int (structure, "rate", &rate))
+    goto missing_caps_details;
+
+  if (channels != 2)
+    goto wrong_channels;
+
+  if (rate <= 0)
+    goto wrong_rate;
+
+  scope->channels = channels;
+  scope->rate = rate;
+
+  GST_DEBUG_OBJECT (scope, "audio: channels %d, rate %d",
+      scope->channels, scope->rate);
+
+done:
+  gst_object_unref (scope);
+  return res;
+
+  /* Errors */
+missing_caps_details:
+  {
+    GST_WARNING_OBJECT (scope, "missing channels or rate in the caps");
+    res = FALSE;
+    goto done;
+  }
+wrong_channels:
+  {
+    GST_WARNING_OBJECT (scope, "number of channels must be 2, but is %d",
+        channels);
+    res = FALSE;
+    goto done;
+  }
+wrong_rate:
+  {
+    GST_WARNING_OBJECT (scope, "sample rate must be >0, but is %d", rate);
+    res = FALSE;
+    goto done;
+  }
+}
+
+static gboolean
+gst_base_scope_src_negotiate (GstBaseScope * scope)
+{
+  GstCaps *othercaps, *target, *intersect;
+  GstStructure *structure;
+  const GstCaps *templ;
+
+  templ = gst_pad_get_pad_template_caps (scope->srcpad);
+
+  GST_DEBUG_OBJECT (scope, "performing negotiation");
+
+  /* see what the peer can do */
+  othercaps = gst_pad_peer_get_caps (scope->srcpad);
+  if (othercaps) {
+    intersect = gst_caps_intersect (othercaps, templ);
+    gst_caps_unref (othercaps);
+
+    if (gst_caps_is_empty (intersect))
+      goto no_format;
+
+    target = gst_caps_copy_nth (intersect, 0);
+    gst_caps_unref (intersect);
+  } else {
+    target = gst_caps_ref ((GstCaps *) templ);
+  }
+
+  structure = gst_caps_get_structure (target, 0);
+  gst_structure_fixate_field_nearest_int (structure, "width", scope->width);
+  gst_structure_fixate_field_nearest_int (structure, "height", scope->height);
+  gst_structure_fixate_field_nearest_fraction (structure, "framerate",
+      scope->fps_n, scope->fps_d);
+
+  GST_DEBUG_OBJECT (scope, "final caps are %" GST_PTR_FORMAT, target);
+
+  gst_pad_set_caps (scope->srcpad, target);
+  gst_caps_unref (target);
+
+  return TRUE;
+
+no_format:
+  {
+    gst_caps_unref (intersect);
+    return FALSE;
+  }
+}
+
+static gboolean
+gst_base_scope_src_setcaps (GstPad * pad, GstCaps * caps)
+{
+  GstBaseScope *scope;
+  GstBaseScopeClass *klass;
+  gint w, h;
+  gint num, denom;
+  GstVideoFormat format;
+  gboolean res = TRUE;
+
+  scope = GST_BASE_SCOPE (gst_pad_get_parent (pad));
+  klass = GST_BASE_SCOPE_CLASS (G_OBJECT_GET_CLASS (scope));
+
+  if (!gst_video_format_parse_caps (caps, &format, &w, &h)) {
+    goto missing_caps_details;
+  }
+  if (!gst_video_parse_caps_framerate (caps, &num, &denom)) {
+    goto missing_caps_details;
+  }
+
+  scope->width = w;
+  scope->height = h;
+  scope->fps_n = num;
+  scope->fps_d = denom;
+  scope->video_format = format;
+
+  scope->frame_duration = gst_util_uint64_scale_int (GST_SECOND,
+      scope->fps_d, scope->fps_n);
+  scope->spf = gst_util_uint64_scale_int (scope->rate,
+      scope->fps_d, scope->fps_n);
+  scope->req_spf = scope->spf;
+
+  scope->bpf = w * h * 4;
+
+  if (scope->pixelbuf)
+    g_free (scope->pixelbuf);
+  scope->pixelbuf = g_malloc0 (scope->bpf);
+
+  if (klass->setup)
+    res = klass->setup (scope);
+
+  GST_DEBUG_OBJECT (scope, "video: dimension %dx%d, framerate %d/%d",
+      scope->width, scope->height, scope->fps_n, scope->fps_d);
+  GST_DEBUG_OBJECT (scope, "blocks: spf %u, req_spf %u",
+      scope->spf, scope->req_spf);
+done:
+  gst_object_unref (scope);
+  return res;
+
+  /* Errors */
+missing_caps_details:
+  {
+    GST_WARNING_OBJECT (scope,
+        "missing width, height or framerate in the caps");
+    res = FALSE;
+    goto done;
+  }
+}
+
+static GstFlowReturn
+gst_base_scope_chain (GstPad * pad, GstBuffer * buffer)
+{
+  GstFlowReturn ret = GST_FLOW_OK;
+  GstBaseScope *scope;
+  GstBaseScopeClass *klass;
+  GstBuffer *inbuf;
+  guint avail, sbpf;
+  gboolean (*render) (GstBaseScope * scope, GstBuffer * audio,
+      GstBuffer * video);
+
+  scope = GST_BASE_SCOPE (gst_pad_get_parent (pad));
+  klass = GST_BASE_SCOPE_CLASS (G_OBJECT_GET_CLASS (scope));
+
+  render = klass->render;
+
+  GST_LOG_OBJECT (scope, "chainfunc called");
+
+  /* resync on DISCONT */
+  if (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT)) {
+    scope->next_ts = GST_CLOCK_TIME_NONE;
+    gst_adapter_clear (scope->adapter);
+  }
+
+  if (GST_PAD_CAPS (scope->srcpad) == NULL) {
+    if (!gst_base_scope_src_negotiate (scope))
+      return GST_FLOW_NOT_NEGOTIATED;
+  }
+
+  /* Match timestamps from the incoming audio */
+  if (GST_BUFFER_TIMESTAMP (buffer) != GST_CLOCK_TIME_NONE)
+    scope->next_ts = GST_BUFFER_TIMESTAMP (buffer);
+
+  gst_adapter_push (scope->adapter, buffer);
+
+  /* this is what we want */
+  sbpf = scope->req_spf * scope->channels * sizeof (gint16);
+
+  inbuf = scope->inbuf;
+  /* FIXME: the timestamp in the adapter would be different */
+  gst_buffer_copy_metadata (inbuf, buffer, GST_BUFFER_COPY_ALL);
+
+  /* this is what we have */
+  avail = gst_adapter_available (scope->adapter);
+  while (avail > sbpf) {
+    GstBuffer *outbuf;
+
+    ret = gst_pad_alloc_buffer_and_set_caps (scope->srcpad,
+        GST_BUFFER_OFFSET_NONE,
+        scope->bpf, GST_PAD_CAPS (scope->srcpad), &outbuf);
+
+    /* no buffer allocated, we don't care why. */
+    if (ret != GST_FLOW_OK)
+      break;
+
+    /* sync controlled properties */
+    gst_object_sync_values (G_OBJECT (scope), scope->next_ts);
+
+    GST_BUFFER_TIMESTAMP (outbuf) = scope->next_ts;
+    GST_BUFFER_DURATION (outbuf) = scope->frame_duration;
+    if (scope->shader) {
+      memcpy (GST_BUFFER_DATA (outbuf), scope->pixelbuf, scope->bpf);
+    } else {
+      memset (GST_BUFFER_DATA (outbuf), 0, scope->bpf);
+    }
+
+    GST_BUFFER_DATA (inbuf) =
+        (guint8 *) gst_adapter_peek (scope->adapter, sbpf);
+    GST_BUFFER_SIZE (inbuf) = sbpf;
+
+    /* call class->render() vmethod */
+    if (render) {
+      if (!render (scope, inbuf, outbuf)) {
+        ret = GST_FLOW_ERROR;
+      } else {
+        /* run various post processing (shading and geometri transformation */
+        if (scope->shader) {
+          scope->shader (scope, GST_BUFFER_DATA (outbuf), scope->pixelbuf);
+        }
+      }
+    }
+
+    ret = gst_pad_push (scope->srcpad, outbuf);
+    outbuf = NULL;
+
+    GST_LOG_OBJECT (scope, "avail: %u, bpf: %u", avail, sbpf);
+    /* we want to take less or more, depending on spf : req_spf */
+    if (avail - sbpf > sbpf)
+      gst_adapter_flush (scope->adapter, sbpf);
+    else if (avail - sbpf > 0)
+      gst_adapter_flush (scope->adapter, (avail - sbpf));
+    avail = gst_adapter_available (scope->adapter);
+
+    if (ret != GST_FLOW_OK)
+      break;
+
+    if (scope->next_ts != GST_CLOCK_TIME_NONE)
+      scope->next_ts += scope->frame_duration;
+
+    avail = gst_adapter_available (scope->adapter);
+  }
+
+  gst_object_unref (scope);
+
+  return ret;
+}
+
+static GstStateChangeReturn
+gst_base_scope_change_state (GstElement * element, GstStateChange transition)
+{
+  GstBaseScope *scope;
+
+  scope = GST_BASE_SCOPE (element);
+
+  switch (transition) {
+    case GST_STATE_CHANGE_READY_TO_PAUSED:
+      scope->next_ts = GST_CLOCK_TIME_NONE;
+      gst_adapter_clear (scope->adapter);
+      break;
+    default:
+      break;
+  }
+
+  return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
+}
diff --git a/gst/audiovisualizers/gstbasescope.h b/gst/audiovisualizers/gstbasescope.h
new file mode 100644
index 000000000..b37c36184
--- /dev/null
+++ b/gst/audiovisualizers/gstbasescope.h
@@ -0,0 +1,108 @@
+/* GStreamer
+ * Copyright (C) <2011> Stefan Kost <ensonic@users.sf.net>
+ *
+ * gstbasescope.c: base class for audio visualisation elements
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GST_BASE_SCOPE_H__
+#define __GST_BASE_SCOPE_H__
+
+#include <gst/gst.h>
+#include <gst/base/gstbasetransform.h>
+
+#include <gst/video/video.h>
+#include <gst/audio/audio.h>
+#include <gst/base/gstadapter.h>
+
+G_BEGIN_DECLS
+#define GST_TYPE_BASE_SCOPE            (gst_base_scope_get_type())
+#define GST_BASE_SCOPE(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_SCOPE,GstBaseScope))
+#define GST_BASE_SCOPE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_SCOPE,GstBaseScopeClass))
+#define GST_IS_SYNAESTHESIA(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_SCOPE))
+#define GST_IS_SYNAESTHESIA_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_SCOPE))
+typedef struct _GstBaseScope GstBaseScope;
+typedef struct _GstBaseScopeClass GstBaseScopeClass;
+
+typedef void (*GstBaseScopeShaderFunc)(GstBaseScope *scope, const guint8 *s, guint8 *d);
+
+/**
+ * GstBaseScopeShader:
+ * @GST_BASE_SCOPE_SHADER_NONE: no shading
+ * @GST_BASE_SCOPE_SHADER_FADE: plain fading
+ * @GST_BASE_SCOPE_SHADER_FADE_AND_MOVE_UP: fade and move up
+ * @GST_BASE_SCOPE_SHADER_FADE_AND_MOVE_DOWN: fade and move down
+ * @GST_BASE_SCOPE_SHADER_FADE_AND_MOVE_HORIZ_OUT: fade and move horizontaly out
+ *
+ * Different types of supported background shading functions.
+ */
+typedef enum {
+  GST_BASE_SCOPE_SHADER_NONE,
+  GST_BASE_SCOPE_SHADER_FADE,
+  GST_BASE_SCOPE_SHADER_FADE_AND_MOVE_UP,
+  GST_BASE_SCOPE_SHADER_FADE_AND_MOVE_DOWN,
+  GST_BASE_SCOPE_SHADER_FADE_AND_MOVE_HORIZ_OUT
+} GstBaseScopeShader;
+
+struct _GstBaseScope
+{
+  GstElement parent;
+
+  /* pads */
+  GstPad *srcpad, *sinkpad;
+
+  GstAdapter *adapter;
+  GstBuffer *inbuf;
+  guint8 *pixelbuf;
+
+  GstBaseScopeShader shader_type;
+  GstBaseScopeShaderFunc shader;
+  guint32 shade_amount;
+
+  guint64 next_ts;              /* the timestamp of the next frame */
+  guint64 frame_duration;
+  guint bpf;                    /* bytes per frame */
+  guint bps;                    /* bytes per sample */
+  guint spf;                    /* samples per video frame */
+  guint req_spf;                /* min samples per frame wanted by the subclass */
+
+  /* video state */
+  GstVideoFormat video_format;
+  gint fps_n, fps_d;
+  gint width;
+  gint height;
+  gint channels;
+
+  /* audio state */
+  gint sample_rate;
+  gint rate;
+};
+
+struct _GstBaseScopeClass
+{
+  GstElementClass parent_class;
+
+  /* virtual function, called whenever the format changes */
+  gboolean (*setup) (GstBaseScope * scope);
+
+  /* virtual function for rendering a frame */
+  gboolean (*render) (GstBaseScope * scope, GstBuffer * audio, GstBuffer * video);
+};
+
+GType gst_base_scope_get_type (void);
+
+G_END_DECLS
+#endif /* __GST_BASE_SCOPE_H__ */
diff --git a/gst/audiovisualizers/gstspectrascope.c b/gst/audiovisualizers/gstspectrascope.c
new file mode 100644
index 000000000..2335e9f6f
--- /dev/null
+++ b/gst/audiovisualizers/gstspectrascope.c
@@ -0,0 +1,221 @@
+/* GStreamer
+ * Copyright (C) <2011> Stefan Kost <ensonic@users.sf.net>
+ *
+ * gstspectrascope.c: frequency spectrum scope
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+/**
+ * SECTION:element-spectrascope
+ * @see_also: goom
+ *
+ * Wavescope is a simple audio visualisation element. It renders the waveforms
+ * like on an oscilloscope.
+ *
+ * <refsect2>
+ * <title>Example launch line</title>
+ * |[
+ * gst-launch audiotestsrc ! audioconvert ! spectrascope ! ximagesink
+ * ]|
+ * </refsect2>
+ */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#include <stdlib.h>
+
+#include "gstspectrascope.h"
+
+static GstStaticPadTemplate gst_spectra_scope_src_template =
+GST_STATIC_PAD_TEMPLATE ("src",
+    GST_PAD_SRC,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS (GST_VIDEO_CAPS_xRGB_HOST_ENDIAN)
+    );
+
+static GstStaticPadTemplate gst_spectra_scope_sink_template =
+GST_STATIC_PAD_TEMPLATE ("sink",
+    GST_PAD_SINK,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS (GST_AUDIO_INT_STANDARD_PAD_TEMPLATE_CAPS)
+    );
+
+
+GST_DEBUG_CATEGORY_STATIC (spectra_scope_debug);
+#define GST_CAT_DEFAULT spectra_scope_debug
+
+static void gst_spectra_scope_finalize (GObject * object);
+
+static gboolean gst_spectra_scope_setup (GstBaseScope * scope);
+static gboolean gst_spectra_scope_render (GstBaseScope * scope,
+    GstBuffer * audio, GstBuffer * video);
+
+
+GST_BOILERPLATE (GstSpectraScope, gst_spectra_scope, GstBaseScope,
+    GST_TYPE_BASE_SCOPE);
+
+static void
+gst_spectra_scope_base_init (gpointer g_class)
+{
+  GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+
+  gst_element_class_set_details_simple (element_class,
+      "Frequency spectrum scope", "Visualization",
+      "Simple frequency spectrum scope", "Stefan Kost <ensonic@users.sf.net>");
+
+  gst_element_class_add_pad_template (element_class,
+      gst_static_pad_template_get (&gst_spectra_scope_src_template));
+  gst_element_class_add_pad_template (element_class,
+      gst_static_pad_template_get (&gst_spectra_scope_sink_template));
+}
+
+static void
+gst_spectra_scope_class_init (GstSpectraScopeClass * g_class)
+{
+  GObjectClass *gobject_class = (GObjectClass *) g_class;
+  GstBaseScopeClass *scope_class = (GstBaseScopeClass *) g_class;
+
+  gobject_class->finalize = gst_spectra_scope_finalize;
+
+  scope_class->setup = GST_DEBUG_FUNCPTR (gst_spectra_scope_setup);
+  scope_class->render = GST_DEBUG_FUNCPTR (gst_spectra_scope_render);
+}
+
+static void
+gst_spectra_scope_init (GstSpectraScope * scope, GstSpectraScopeClass * g_class)
+{
+  /* do nothing */
+}
+
+static void
+gst_spectra_scope_finalize (GObject * object)
+{
+  GstSpectraScope *scope = GST_SPECTRA_SCOPE (object);
+
+  if (scope->fft_ctx) {
+    gst_fft_s16_free (scope->fft_ctx);
+    scope->fft_ctx = NULL;
+  }
+  if (scope->freq_data) {
+    g_free (scope->freq_data);
+    scope->freq_data = NULL;
+  }
+
+  G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static gboolean
+gst_spectra_scope_setup (GstBaseScope * bscope)
+{
+  GstSpectraScope *scope = GST_SPECTRA_SCOPE (bscope);
+  guint num_freq = bscope->width + 1;
+
+  if (scope->fft_ctx)
+    gst_fft_s16_free (scope->fft_ctx);
+  g_free (scope->freq_data);
+
+  /* we'd need this amount of samples per render() call */
+  bscope->req_spf = num_freq * 2 - 2;
+  scope->fft_ctx = gst_fft_s16_new (bscope->req_spf, FALSE);
+  scope->freq_data = g_new (GstFFTS16Complex, num_freq);
+
+  return TRUE;
+}
+
+static inline void
+add_pixel (guint32 * _p, guint32 _c)
+{
+  guint8 *p = (guint8 *) _p;
+  guint8 *c = (guint8 *) & _c;
+
+  if (p[0] < 255 - c[0])
+    p[0] += c[0];
+  else
+    p[0] = 255;
+  if (p[1] < 255 - c[1])
+    p[1] += c[1];
+  else
+    p[1] = 255;
+  if (p[2] < 255 - c[2])
+    p[2] += c[2];
+  else
+    p[2] = 255;
+  if (p[3] < 255 - c[3])
+    p[3] += c[3];
+  else
+    p[3] = 255;
+}
+
+static gboolean
+gst_spectra_scope_render (GstBaseScope * bscope, GstBuffer * audio,
+    GstBuffer * video)
+{
+  GstSpectraScope *scope = GST_SPECTRA_SCOPE (bscope);
+  guint32 *vdata = (guint32 *) GST_BUFFER_DATA (video);
+  gint16 *adata = (gint16 *) GST_BUFFER_DATA (audio);
+  GstFFTS16Complex *fdata = scope->freq_data;
+  guint x, y, off;
+  guint l, h = bscope->height - 1;
+  gfloat fr, fi;
+  guint w = bscope->width;
+
+  if (bscope->channels > 1) {
+    guint ch = bscope->channels;
+    guint num_samples = GST_BUFFER_SIZE (audio) / (ch * sizeof (gint16));
+    guint i, c, v, s = 0;
+
+    /* deinterleave and mixdown adata */
+    for (i = 0; i < num_samples; i++) {
+      v = 0;
+      for (c = 0; c < ch; c++) {
+        v += adata[s++];
+      }
+      adata[i] = v / ch;
+    }
+  }
+
+  /* run fft */
+  gst_fft_s16_window (scope->fft_ctx, adata, GST_FFT_WINDOW_HAMMING);
+  gst_fft_s16_fft (scope->fft_ctx, adata, fdata);
+
+  /* draw lines */
+  for (x = 0; x < bscope->width; x++) {
+    /* figure out the range so that we don't need to clip,
+     * or even better do a log mapping? */
+    fr = (gfloat) fdata[1 + x].r / 512.0;
+    fi = (gfloat) fdata[1 + x].i / 512.0;
+    y = (guint) (h * fabs (fr * fr + fi * fi));
+    if (y > h)
+      y = h;
+    y = h - y;
+    off = (y * w) + x;
+    vdata[off] = 0x00FFFFFF;
+    for (l = y + 1; l <= h; l++) {
+      off += w;
+      add_pixel (&vdata[off], 0x007F7F7F);
+    }
+  }
+  return TRUE;
+}
+
+gboolean
+gst_spectra_scope_plugin_init (GstPlugin * plugin)
+{
+  GST_DEBUG_CATEGORY_INIT (spectra_scope_debug, "spectrascope", 0,
+      "spectrascope");
+
+  return gst_element_register (plugin, "spectrascope", GST_RANK_NONE,
+      GST_TYPE_SPECTRA_SCOPE);
+}
diff --git a/gst/audiovisualizers/gstspectrascope.h b/gst/audiovisualizers/gstspectrascope.h
new file mode 100644
index 000000000..d3aafca76
--- /dev/null
+++ b/gst/audiovisualizers/gstspectrascope.h
@@ -0,0 +1,54 @@
+/* GStreamer
+ * Copyright (C) <2011> Stefan Kost <ensonic@users.sf.net>
+ *
+ * gstspectrascope.h: simple oscilloscope
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_SPECTRA_SCOPE_H__
+#define __GST_SPECTRA_SCOPE_H__
+
+#include "gstbasescope.h"
+#include <gst/fft/gstffts16.h>
+
+G_BEGIN_DECLS
+#define GST_TYPE_SPECTRA_SCOPE            (gst_spectra_scope_get_type())
+#define GST_SPECTRA_SCOPE(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SPECTRA_SCOPE,GstSpectraScope))
+#define GST_SPECTRA_SCOPE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SPECTRA_SCOPE,GstSpectraScopeClass))
+#define GST_IS_SPECTRA_SCOPE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SPECTRA_SCOPE))
+#define GST_IS_SPECTRA_SCOPE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SPECTRA_SCOPE))
+typedef struct _GstSpectraScope GstSpectraScope;
+typedef struct _GstSpectraScopeClass GstSpectraScopeClass;
+
+struct _GstSpectraScope
+{
+  GstBaseScope parent;
+
+  GstFFTS16 *fft_ctx;
+  GstFFTS16Complex *freq_data;
+};
+
+struct _GstSpectraScopeClass
+{
+  GstBaseScopeClass parent_class;
+};
+
+GType gst_spectra_scope_get_type (void);
+gboolean gst_spectra_scope_plugin_init (GstPlugin * plugin);
+
+G_END_DECLS
+#endif /* __GST_SPECTRA_SCOPE_H__ */
\ No newline at end of file
diff --git a/gst/audiovisualizers/gstsynaescope.c b/gst/audiovisualizers/gstsynaescope.c
new file mode 100644
index 000000000..674b07e29
--- /dev/null
+++ b/gst/audiovisualizers/gstsynaescope.c
@@ -0,0 +1,300 @@
+/* GStreamer
+ * Copyright (C) <2011> Stefan Kost <ensonic@users.sf.net>
+ *
+ * gstsynaescope.c: frequency spectrum scope
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+/**
+ * SECTION:element-synaescope
+ * @see_also: goom
+ *
+ * Wavescope is a simple audio visualisation element. It renders the waveforms
+ * like on an oscilloscope.
+ *
+ * <refsect2>
+ * <title>Example launch line</title>
+ * |[
+ * gst-launch audiotestsrc ! audioconvert ! synaescope ! ximagesink
+ * ]|
+ * </refsect2>
+ */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "gstsynaescope.h"
+
+static GstStaticPadTemplate gst_synae_scope_src_template =
+GST_STATIC_PAD_TEMPLATE ("src",
+    GST_PAD_SRC,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS (GST_VIDEO_CAPS_xRGB_HOST_ENDIAN)
+    );
+
+static GstStaticPadTemplate gst_synae_scope_sink_template =
+GST_STATIC_PAD_TEMPLATE ("sink",
+    GST_PAD_SINK,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS (GST_AUDIO_INT_STANDARD_PAD_TEMPLATE_CAPS)
+    );
+
+
+GST_DEBUG_CATEGORY_STATIC (synae_scope_debug);
+#define GST_CAT_DEFAULT synae_scope_debug
+
+static void gst_synae_scope_finalize (GObject * object);
+
+static gboolean gst_synae_scope_setup (GstBaseScope * scope);
+static gboolean gst_synae_scope_render (GstBaseScope * scope, GstBuffer * audio,
+    GstBuffer * video);
+
+
+GST_BOILERPLATE (GstSynaeScope, gst_synae_scope, GstBaseScope,
+    GST_TYPE_BASE_SCOPE);
+
+static void
+gst_synae_scope_base_init (gpointer g_class)
+{
+  GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+
+  gst_element_class_set_details_simple (element_class, "Synaescope",
+      "Visualization",
+      "Creates video visualizations of audio input, using stereo and pitch information",
+      "Stefan Kost <ensonic@users.sf.net>");
+
+  gst_element_class_add_pad_template (element_class,
+      gst_static_pad_template_get (&gst_synae_scope_src_template));
+  gst_element_class_add_pad_template (element_class,
+      gst_static_pad_template_get (&gst_synae_scope_sink_template));
+}
+
+static void
+gst_synae_scope_class_init (GstSynaeScopeClass * g_class)
+{
+  GObjectClass *gobject_class = (GObjectClass *) g_class;
+  GstBaseScopeClass *scope_class = (GstBaseScopeClass *) g_class;
+
+  gobject_class->finalize = gst_synae_scope_finalize;
+
+  scope_class->setup = GST_DEBUG_FUNCPTR (gst_synae_scope_setup);
+  scope_class->render = GST_DEBUG_FUNCPTR (gst_synae_scope_render);
+}
+
+static void
+gst_synae_scope_init (GstSynaeScope * scope, GstSynaeScopeClass * g_class)
+{
+  guint32 *colors = scope->colors;
+  guint *shade = scope->shade;
+  guint i, r, g, b;
+
+#define BOUND(x) ((x) > 255 ? 255 : (x))
+#define PEAKIFY(x) BOUND((x) - (x)*(255-(x))/255/2)
+
+  for (i = 0; i < 256; i++) {
+    r = PEAKIFY ((i & 15 * 16));
+    g = PEAKIFY ((i & 15) * 16 + (i & 15 * 16) / 4);
+    b = PEAKIFY ((i & 15) * 16);
+
+    colors[i] = (r << 16) | (g << 8) | b;
+  }
+#undef BOUND
+#undef PEAKIFY
+
+  for (i = 0; i < 256; i++)
+    shade[i] = i * 200 >> 8;
+}
+
+static void
+gst_synae_scope_finalize (GObject * object)
+{
+  GstSynaeScope *scope = GST_SYNAE_SCOPE (object);
+
+  if (scope->fft_ctx) {
+    gst_fft_s16_free (scope->fft_ctx);
+    scope->fft_ctx = NULL;
+  }
+  if (scope->freq_data_l) {
+    g_free (scope->freq_data_l);
+    scope->freq_data_l = NULL;
+  }
+  if (scope->freq_data_r) {
+    g_free (scope->freq_data_r);
+    scope->freq_data_r = NULL;
+  }
+  if (scope->adata_l) {
+    g_free (scope->adata_l);
+    scope->adata_l = NULL;
+  }
+  if (scope->adata_r) {
+    g_free (scope->adata_r);
+    scope->adata_r = NULL;
+  }
+
+  G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static gboolean
+gst_synae_scope_setup (GstBaseScope * bscope)
+{
+  GstSynaeScope *scope = GST_SYNAE_SCOPE (bscope);
+  guint num_freq = bscope->height + 1;
+
+  if (scope->fft_ctx)
+    gst_fft_s16_free (scope->fft_ctx);
+  g_free (scope->freq_data_l);
+  g_free (scope->freq_data_r);
+  g_free (scope->adata_l);
+  g_free (scope->adata_r);
+
+  /* FIXME: we could have horizontal or vertical layout */
+
+  /* we'd need this amount of samples per render() call */
+  bscope->req_spf = num_freq * 2 - 2;
+  scope->fft_ctx = gst_fft_s16_new (bscope->req_spf, FALSE);
+  scope->freq_data_l = g_new (GstFFTS16Complex, num_freq);
+  scope->freq_data_r = g_new (GstFFTS16Complex, num_freq);
+
+  scope->adata_l = g_new (gint16, bscope->req_spf);
+  scope->adata_r = g_new (gint16, bscope->req_spf);
+
+  return TRUE;
+}
+
+static inline void
+add_pixel (guint32 * _p, guint32 _c)
+{
+  guint8 *p = (guint8 *) _p;
+  guint8 *c = (guint8 *) & _c;
+
+  if (p[0] < 255 - c[0])
+    p[0] += c[0];
+  else
+    p[0] = 255;
+  if (p[1] < 255 - c[1])
+    p[1] += c[1];
+  else
+    p[1] = 255;
+  if (p[2] < 255 - c[2])
+    p[2] += c[2];
+  else
+    p[2] = 255;
+  if (p[3] < 255 - c[3])
+    p[3] += c[3];
+  else
+    p[3] = 255;
+}
+
+static gboolean
+gst_synae_scope_render (GstBaseScope * bscope, GstBuffer * audio,
+    GstBuffer * video)
+{
+  GstSynaeScope *scope = GST_SYNAE_SCOPE (bscope);
+  guint32 *vdata = (guint32 *) GST_BUFFER_DATA (video);
+  gint16 *adata = (gint16 *) GST_BUFFER_DATA (audio);
+  gint16 *adata_l = scope->adata_l;
+  gint16 *adata_r = scope->adata_r;
+  GstFFTS16Complex *fdata_l = scope->freq_data_l;
+  GstFFTS16Complex *fdata_r = scope->freq_data_r;
+  gint x, y;
+  guint off;
+  gfloat frl, fil, frr, fir;
+  guint w = bscope->width;
+  guint h = bscope->height;
+  guint32 *colors = scope->colors, c;
+  guint *shade = scope->shade;
+  //guint w2 = w /2;
+  guint ch = bscope->channels;
+  guint num_samples = GST_BUFFER_SIZE (audio) / (ch * sizeof (gint16));
+  gint i, j;
+  gint br, br1, br2;
+  gint clarity;
+  gfloat fc, r, l;
+  const guint sl = 30;
+
+  /* deinterleave */
+  for (i = 0, j = 0; i < num_samples; i++) {
+    adata_l[i] = adata[j++];
+    adata_r[i] = adata[j++];
+  }
+
+  /* run fft */
+  /* synaesthesia was using a signle fft with left -> real, right -> imag */
+  //gst_fft_s16_window (scope->fft_ctx, adata_l, GST_FFT_WINDOW_HAMMING);
+  gst_fft_s16_fft (scope->fft_ctx, adata_l, fdata_l);
+  //gst_fft_s16_window (scope->fft_ctx, adata_r, GST_FFT_WINDOW_HAMMING);
+  gst_fft_s16_fft (scope->fft_ctx, adata_r, fdata_r);
+
+  /* draw stars */
+  for (y = 0; y < h; y++) {
+    frl = (gfloat) fdata_l[h - y].r / 512.0;
+    fil = (gfloat) fdata_l[h - y].i / 512.0;
+    l = sqrt (frl * frl + fil * fil);
+    frr = (gfloat) fdata_r[h - y].r / 512.0;
+    fir = (gfloat) fdata_r[h - y].i / 512.0;
+    r = sqrt (frr * frr + fir * fir);
+    fc = r + l;
+
+    clarity = (gint) (((frl + frr) * (frl - frr) + (fil + fir) * (fil - fir)) /
+        (((frl + frr) * (frl + frr) + (fil - fir) * (fil - fir) + (frl -
+                    frr) * (frl - frr) + (fil + fir) * (fil + fir)) * 256.0));
+
+    x = (guint) (r * w / fc);
+    br = y * fc * 100;
+    if (br > 0xFF)
+      br = 0xFF;
+
+    br1 = br * (clarity + 128) >> 8;
+    br2 = br * (128 - clarity) >> 8;
+    br1 = CLAMP (br1, 0, 255);
+    br2 = CLAMP (br2, 0, 255);
+
+    off = (y * w) + x;
+    c = colors[(br1 >> 4) + (br2 & 0xf0)];
+    add_pixel (&vdata[off], c);
+    if ((x > (sl - 1)) && (x < (w - sl)) && (y > (sl - 1)) && (y < (h - sl))) {
+      for (i = 1; br1 || br2; i++, br1 = shade[br1], br2 = shade[br2]) {
+        c = colors[(br1 >> 4) + (br2 & 0xf0)];
+        add_pixel (&vdata[off - i], c);
+        add_pixel (&vdata[off + i], c);
+        add_pixel (&vdata[off - i * w], c);
+        add_pixel (&vdata[off + i * w], c);
+      }
+    } else {
+      for (i = 1; br1 || br2; i++, br1 = shade[br1], br2 = shade[br2]) {
+        c = colors[(br1 >> 4) + (br2 & 0xf0)];
+        if (x - i > 0)
+          add_pixel (&vdata[off - i], c);
+        if (x + i < (w - 1))
+          add_pixel (&vdata[off + i], c);
+        if (y - i > 0)
+          add_pixel (&vdata[off - i * w], c);
+        if (y + i < (h - 1))
+          add_pixel (&vdata[off + i * w], c);
+      }
+    }
+  }
+
+  return TRUE;
+}
+
+gboolean
+gst_synae_scope_plugin_init (GstPlugin * plugin)
+{
+  GST_DEBUG_CATEGORY_INIT (synae_scope_debug, "synaescope", 0, "synaescope");
+
+  return gst_element_register (plugin, "synaescope", GST_RANK_NONE,
+      GST_TYPE_SYNAE_SCOPE);
+}
diff --git a/gst/audiovisualizers/gstsynaescope.h b/gst/audiovisualizers/gstsynaescope.h
new file mode 100644
index 000000000..09c18c32b
--- /dev/null
+++ b/gst/audiovisualizers/gstsynaescope.h
@@ -0,0 +1,58 @@
+/* GStreamer
+ * Copyright (C) <2011> Stefan Kost <ensonic@users.sf.net>
+ *
+ * gstsynaescope.h: simple oscilloscope
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_SYNAE_SCOPE_H__
+#define __GST_SYNAE_SCOPE_H__
+
+#include "gstbasescope.h"
+#include <gst/fft/gstffts16.h>
+
+G_BEGIN_DECLS
+#define GST_TYPE_SYNAE_SCOPE            (gst_synae_scope_get_type())
+#define GST_SYNAE_SCOPE(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SYNAE_SCOPE,GstSynaeScope))
+#define GST_SYNAE_SCOPE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SYNAE_SCOPE,GstSynaeScopeClass))
+#define GST_IS_SYNAE_SCOPE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SYNAE_SCOPE))
+#define GST_IS_SYNAE_SCOPE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SYNAE_SCOPE))
+typedef struct _GstSynaeScope GstSynaeScope;
+typedef struct _GstSynaeScopeClass GstSynaeScopeClass;
+
+struct _GstSynaeScope
+{
+  GstBaseScope parent;
+
+  GstFFTS16 *fft_ctx;
+  GstFFTS16Complex *freq_data_l, *freq_data_r;
+  gint16 *adata_l, *adata_r;
+
+  guint32 colors[256];
+  guint shade[256];
+};
+
+struct _GstSynaeScopeClass
+{
+  GstBaseScopeClass parent_class;
+};
+
+GType gst_synae_scope_get_type (void);
+gboolean gst_synae_scope_plugin_init (GstPlugin * plugin);
+
+G_END_DECLS
+#endif /* __GST_SYNAE_SCOPE_H__ */
\ No newline at end of file
diff --git a/gst/audiovisualizers/gstwavescope.c b/gst/audiovisualizers/gstwavescope.c
new file mode 100644
index 000000000..b009e334d
--- /dev/null
+++ b/gst/audiovisualizers/gstwavescope.c
@@ -0,0 +1,138 @@
+/* GStreamer
+ * Copyright (C) <2011> Stefan Kost <ensonic@users.sf.net>
+ *
+ * gstwavescope.c: simple oscilloscope
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+/**
+ * SECTION:element-wavescope
+ * @see_also: goom
+ *
+ * Wavescope is a simple audio visualisation element. It renders the waveforms
+ * like on an oscilloscope.
+ *
+ * <refsect2>
+ * <title>Example launch line</title>
+ * |[
+ * gst-launch audiotestsrc ! audioconvert ! wavescope ! ximagesink
+ * ]|
+ * </refsect2>
+ */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "gstwavescope.h"
+
+static GstStaticPadTemplate gst_wave_scope_src_template =
+GST_STATIC_PAD_TEMPLATE ("src",
+    GST_PAD_SRC,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS (GST_VIDEO_CAPS_xRGB_HOST_ENDIAN)
+    );
+
+static GstStaticPadTemplate gst_wave_scope_sink_template =
+GST_STATIC_PAD_TEMPLATE ("sink",
+    GST_PAD_SINK,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS (GST_AUDIO_INT_STANDARD_PAD_TEMPLATE_CAPS)
+    );
+
+
+GST_DEBUG_CATEGORY_STATIC (wave_scope_debug);
+#define GST_CAT_DEFAULT wave_scope_debug
+
+static gboolean gst_wave_scope_setup (GstBaseScope * scope);
+static gboolean gst_wave_scope_render (GstBaseScope * scope, GstBuffer * audio,
+    GstBuffer * video);
+
+
+GST_BOILERPLATE (GstWaveScope, gst_wave_scope, GstBaseScope,
+    GST_TYPE_BASE_SCOPE);
+
+static void
+gst_wave_scope_base_init (gpointer g_class)
+{
+  GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+
+  gst_element_class_set_details_simple (element_class, "Waveform oscilloscope",
+      "Visualization",
+      "Simple waveform oscilloscope", "Stefan Kost <ensonic@users.sf.net>");
+
+  gst_element_class_add_pad_template (element_class,
+      gst_static_pad_template_get (&gst_wave_scope_src_template));
+  gst_element_class_add_pad_template (element_class,
+      gst_static_pad_template_get (&gst_wave_scope_sink_template));
+}
+
+static void
+gst_wave_scope_class_init (GstWaveScopeClass * g_class)
+{
+  /*GObjectClass *gobject_class = (GObjectClass *) g_class; */
+  GstBaseScopeClass *scope_class = (GstBaseScopeClass *) g_class;
+
+  scope_class->setup = GST_DEBUG_FUNCPTR (gst_wave_scope_setup);
+  scope_class->render = GST_DEBUG_FUNCPTR (gst_wave_scope_render);
+}
+
+static void
+gst_wave_scope_init (GstWaveScope * scope, GstWaveScopeClass * g_class)
+{
+  /* do nothing */
+}
+
+static gboolean
+gst_wave_scope_setup (GstBaseScope * scope)
+{
+  return TRUE;
+}
+
+static gboolean
+gst_wave_scope_render (GstBaseScope * scope, GstBuffer * audio,
+    GstBuffer * video)
+{
+  guint32 *vdata = (guint32 *) GST_BUFFER_DATA (video);
+  gint16 *adata = (gint16 *) GST_BUFFER_DATA (audio);
+  guint i, c, s, x, y, off, oy;
+  guint num_samples;
+  gfloat dx, dy;
+  guint w = scope->width;
+
+  /* draw dots */
+  num_samples = GST_BUFFER_SIZE (audio) / (scope->channels * sizeof (gint16));
+  dx = (gfloat) scope->width / (gfloat) num_samples;
+  dy = scope->height / 65536.0;
+  oy = scope->height / 2;
+  s = 0;
+  for (i = 0; i < num_samples; i++) {
+    x = (guint) ((gfloat) i * dx);
+    for (c = 0; c < scope->channels; c++) {
+      y = (guint) (oy + (gfloat) adata[s++] * dy);
+      off = (y * w) + x;
+      vdata[off] = 0x00FFFFFF;
+    }
+  }
+  return TRUE;
+}
+
+gboolean
+gst_wave_scope_plugin_init (GstPlugin * plugin)
+{
+  GST_DEBUG_CATEGORY_INIT (wave_scope_debug, "wavescope", 0, "wavescope");
+
+  return gst_element_register (plugin, "wavescope", GST_RANK_NONE,
+      GST_TYPE_WAVE_SCOPE);
+}
diff --git a/gst/audiovisualizers/gstwavescope.h b/gst/audiovisualizers/gstwavescope.h
new file mode 100644
index 000000000..a4c734f41
--- /dev/null
+++ b/gst/audiovisualizers/gstwavescope.h
@@ -0,0 +1,50 @@
+/* GStreamer
+ * Copyright (C) <2011> Stefan Kost <ensonic@users.sf.net>
+ *
+ * gstwavescope.h: simple oscilloscope
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_WAVE_SCOPE_H__
+#define __GST_WAVE_SCOPE_H__
+
+#include "gstbasescope.h"
+
+G_BEGIN_DECLS
+#define GST_TYPE_WAVE_SCOPE            (gst_wave_scope_get_type())
+#define GST_WAVE_SCOPE(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_WAVE_SCOPE,GstWaveScope))
+#define GST_WAVE_SCOPE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_WAVE_SCOPE,GstWaveScopeClass))
+#define GST_IS_WAVE_SCOPE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_WAVE_SCOPE))
+#define GST_IS_WAVE_SCOPE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_WAVE_SCOPE))
+typedef struct _GstWaveScope GstWaveScope;
+typedef struct _GstWaveScopeClass GstWaveScopeClass;
+
+struct _GstWaveScope
+{
+  GstBaseScope parent;
+};
+
+struct _GstWaveScopeClass
+{
+  GstBaseScopeClass parent_class;
+};
+
+GType gst_wave_scope_get_type (void);
+gboolean gst_wave_scope_plugin_init (GstPlugin * plugin);
+
+G_END_DECLS
+#endif /* __GST_WAVE_SCOPE_H__ */
\ No newline at end of file
diff --git a/gst/audiovisualizers/plugin.c b/gst/audiovisualizers/plugin.c
new file mode 100644
index 000000000..42ac8a1b7
--- /dev/null
+++ b/gst/audiovisualizers/plugin.c
@@ -0,0 +1,49 @@
+/* GStreamer
+ * Copyright (C) <2011> Stefan Kost <ensonic@users.sf.net>
+ *
+ * plugin.c: scopes plugin
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#include <gst/gst.h>
+#include <gst/controller/gstcontroller.h>
+
+#include "gstspectrascope.h"
+#include "gstsynaescope.h"
+#include "gstwavescope.h"
+
+static gboolean
+plugin_init (GstPlugin * plugin)
+{
+  gboolean res = TRUE;
+
+  /* initialize gst controller library */
+  gst_controller_init (NULL, NULL);
+
+  res &= gst_spectra_scope_plugin_init (plugin);
+  res &= gst_synae_scope_plugin_init (plugin);
+  res &= gst_wave_scope_plugin_init (plugin);
+  return res;
+}
+
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+    GST_VERSION_MINOR,
+    "audiovisualizers",
+    "Creates video visualizations of audio input",
+    plugin_init, VERSION, "GPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)