/* GStreamer * * Copyright (C) 2007 Sebastian Dröge <slomo@circular-chaos.org> * * gstinterpolationcontrolsource.h: Control source that provides several * interpolation methods * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifndef __GST_INTERPOLATION_CONTROL_SOURCE_H__ #define __GST_INTERPOLATION_CONTROL_SOURCE_H__ #include <glib-object.h> #include <gst/gst.h> #include <gst/controller/gsttimedvaluecontrolsource.h> #include <gst/controller/controller-enumtypes.h> G_BEGIN_DECLS #define GST_TYPE_INTERPOLATION_CONTROL_SOURCE \ (gst_interpolation_control_source_get_type ()) #define GST_INTERPOLATION_CONTROL_SOURCE(obj) \ (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_INTERPOLATION_CONTROL_SOURCE, GstInterpolationControlSource)) #define GST_INTERPOLATION_CONTROL_SOURCE_CLASS(vtable) \ (G_TYPE_CHECK_CLASS_CAST ((vtable), GST_TYPE_INTERPOLATION_CONTROL_SOURCE, GstInterpolationControlSourceClass)) #define GST_IS_INTERPOLATION_CONTROL_SOURCE(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_INTERPOLATION_CONTROL_SOURCE)) #define GST_IS_INTERPOLATION_CONTROL_SOURCE_CLASS(vtable) \ (G_TYPE_CHECK_CLASS_TYPE ((vtable), GST_TYPE_INTERPOLATION_CONTROL_SOURCE)) #define GST_INTERPOLATION_CONTROL_SOURCE_GET_CLASS(inst) \ (G_TYPE_INSTANCE_GET_CLASS ((inst), GST_TYPE_INTERPOLATION_CONTROL_SOURCE, GstInterpolationControlSourceClass)) typedef struct _GstInterpolationControlSource GstInterpolationControlSource; typedef struct _GstInterpolationControlSourceClass GstInterpolationControlSourceClass; typedef struct _GstInterpolationControlSourcePrivate GstInterpolationControlSourcePrivate; /** * GstInterpolationMode: * @GST_INTERPOLATION_MODE_NONE: steps-like interpolation, default * @GST_INTERPOLATION_MODE_LINEAR: linear interpolation * @GST_INTERPOLATION_MODE_CUBIC: cubic interpolation (natural), may overshoot * the min or max values set by the control point, but is more 'curvy' * @GST_INTERPOLATION_MODE_CUBIC_MONOTONIC: monotonic cubic interpolation, will not * produce any values outside of the min-max range set by the control points * (Since: 1.8) * * The various interpolation modes available. */ typedef enum { GST_INTERPOLATION_MODE_NONE, GST_INTERPOLATION_MODE_LINEAR, GST_INTERPOLATION_MODE_CUBIC, GST_INTERPOLATION_MODE_CUBIC_MONOTONIC, } GstInterpolationMode; /** * GstInterpolationControlSource: * * The instance structure of #GstControlSource. */ struct _GstInterpolationControlSource { GstTimedValueControlSource parent; /*< private >*/ GstInterpolationControlSourcePrivate *priv; gpointer _gst_reserved[GST_PADDING]; }; struct _GstInterpolationControlSourceClass { GstTimedValueControlSourceClass parent_class; /*< private >*/ gpointer _gst_reserved[GST_PADDING]; }; GST_CONTROLLER_API GType gst_interpolation_control_source_get_type (void); /* Functions */ GST_CONTROLLER_API GstControlSource * gst_interpolation_control_source_new (void); G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstInterpolationControlSource, gst_object_unref) G_END_DECLS #endif /* __GST_INTERPOLATION_CONTROL_SOURCE_H__ */