gstlal-calibration: new element lal_dqtukey that reads in a bit vector and...

gstlal-calibration:  new element lal_dqtukey that reads in a bit vector and outputs a stream that makes smooth transitions between zero and one based on the bit vector.

gstlal-calibration/gst/lal/Makefile.am

@@ -16,7 +16,8 @@ lib@GSTPLUGINPREFIX@gstlalcalibration_la_SOURCES = \
 	gstlal_fccupdate.c gstlal_fccupdate.h \
 	gstlal_transferfunction.c gstlal_transferfunction.h \
 	gstlal_trackfrequency.c gstlal_trackfrequency.h \
-	gstlal_adaptivefirfilt.c gstlal_adaptivefirfilt.h
+	gstlal_adaptivefirfilt.c gstlal_adaptivefirfilt.h \
+	gstlal_dqtukey.c gstlal_dqtukey.h
 lib@GSTPLUGINPREFIX@gstlalcalibration_la_CPPFLAGS = $(AM_CPPFLAGS) $(PYTHON_CPPFLAGS)
 lib@GSTPLUGINPREFIX@gstlalcalibration_la_CFLAGS = $(AM_CFLAGS) $(LAL_CFLAGS) $(GSTLAL_CFLAGS) $(gstreamer_CFLAGS) $(gstreamer_audio_CFLAGS)
 lib@GSTPLUGINPREFIX@gstlalcalibration_la_LDFLAGS = $(AM_LDFLAGS) $(LAL_LIBS) $(GSTLAL_LIBS) $(PYTHON_LIBS) $(gstreamer_LIBS) $(gstreamer_audio_LIBS) $(GSTLAL_PLUGIN_LDFLAGS)

gstlal-calibration/gst/lal/gstlal_dqtukey.h

+/*
+ * Copyright (C) 2018 Aaron Viets <aaron.viets@ligo.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * 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 __GSTLAL_DQTUKEY_H__
+#define __GSTLAL_DQTUKEY_H__
+
+
+#include <glib.h>
+#include <gst/gst.h>
+#include <gst/base/gstbasetransform.h>
+
+
+G_BEGIN_DECLS
+#define GSTLAL_DQTUKEY_TYPE \
+	(gstlal_dqtukey_get_type())
+#define GSTLAL_DQTUKEY(obj) \
+	(G_TYPE_CHECK_INSTANCE_CAST((obj), GSTLAL_DQTUKEY_TYPE, GSTLALDQTukey))
+#define GSTLAL_DQTUKEY_CLASS(klass) \
+	(G_TYPE_CHECK_CLASS_CAST((klass), GSTLAL_DQTUKEY_TYPE, GSTLALDQTukeyClass))
+#define GST_IS_GSTLAL_DQTUKEY(obj) \
+	(G_TYPE_CHECK_INSTANCE_TYPE((obj), GSTLAL_DQTUKEY_TYPE))
+#define GST_IS_GSTLAL_DQTUKEY_CLASS(klass) \
+	(G_TYPE_CHECK_CLASS_TYPE((klass), GSTLAL_DQTUKEY_TYPE))
+
+
+typedef struct _GSTLALDQTukey GSTLALDQTukey;
+typedef struct _GSTLALDQTukeyClass GSTLALDQTukeyClass;
+
+
+/*
+ * GSTLALDQTukey:
+ */
+
+
+struct _GSTLALDQTukey {
+	GstBaseTransform element;
+
+	/* stream info */
+
+	gint rate_in;
+	gint rate_out;
+	gint unit_size_in;
+	gint unit_size_out;
+	gboolean sign;
+	gint num_cycle_in;
+	gint num_cycle_out;
+
+	/* timestamp book-keeping */
+
+	GstClockTime t0;
+	guint64 offset0;
+	guint64 next_in_offset;
+	guint64 next_out_offset;
+	gboolean need_discont;
+
+	/* internal state */
+
+	enum gstlal_dqtukey_state {
+		START = 0,
+		ONES,
+		ZEROS,
+		RAMP_UP,
+		RAMP_DOWN,
+		DOUBLE_RAMP
+	} state;
+	gint64 ramp_up_index;
+	gint64 ramp_down_index;
+	gint64 num_leftover;
+	gint64 num_since_bad;
+	void *ramp;
+
+	/* properties  */
+
+	guint32 required_on;
+	guint32 required_off;
+	guint32 required_on_xor_off;
+	gint64 transition_samples;
+	gboolean invert_window;
+	gboolean invert_control;
+};
+
+
+/*
+ * GSTLALDQTukeyClass:
+ * @parent_class:  the parent class
+ */
+
+
+struct _GSTLALDQTukeyClass {
+	GstBaseTransformClass parent_class;
+};
+
+
+GType gstlal_dqtukey_get_type(void);
+
+
+G_END_DECLS
+
+
+#endif  /* __GSTLAL_DQTUKEY_H__ */

gstlal-calibration/gst/lal/gstlalcalibration.c

@@ -65,6 +65,7 @@
 #include <gstlal_transferfunction.h>
 #include <gstlal_trackfrequency.h>
 #include <gstlal_adaptivefirfilt.h>
+#include <gstlal_dqtukey.h>
 
 
 /*
@@ -97,6 +98,7 @@ static gboolean plugin_init(GstPlugin *plugin)
 		{"lal_transferfunction", GSTLAL_TRANSFERFUNCTION_TYPE},
 		{"lal_trackfrequency", GSTLAL_TRACKFREQUENCY_TYPE},
 		{"lal_adaptivefirfilt", GSTLAL_ADAPTIVEFIRFILT_TYPE},
+		{"lal_dqtukey", GSTLAL_DQTUKEY_TYPE},
 		{NULL, 0},
 	};