| /* GStreamer |
| * |
| * Copyright (C) 2007 Sebastian Dröge <slomo@circular-chaos.org> |
| * |
| * gstlfocontrolsource.h: Control source that provides some periodic waveforms |
| * as control values. |
| * |
| * 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_LFO_CONTROL_SOURCE_H__ |
| #define __GST_LFO_CONTROL_SOURCE_H__ |
| |
| #include <glib-object.h> |
| #include <gst/gst.h> |
| |
| G_BEGIN_DECLS |
| |
| #define GST_TYPE_LFO_CONTROL_SOURCE \ |
| (gst_lfo_control_source_get_type ()) |
| #define GST_LFO_CONTROL_SOURCE(obj) \ |
| (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_LFO_CONTROL_SOURCE, GstLFOControlSource)) |
| #define GST_LFO_CONTROL_SOURCE_CLASS(vtable) \ |
| (G_TYPE_CHECK_CLASS_CAST ((vtable), GST_TYPE_LFO_CONTROL_SOURCE, GstLFOControlSourceClass)) |
| #define GST_IS_LFO_CONTROL_SOURCE(obj) \ |
| (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_LFO_CONTROL_SOURCE)) |
| #define GST_IS_LFO_CONTROL_SOURCE_CLASS(vtable) \ |
| (G_TYPE_CHECK_CLASS_TYPE ((vtable), GST_TYPE_LFO_CONTROL_SOURCE)) |
| #define GST_LFO_CONTROL_SOURCE_GET_CLASS(inst) \ |
| (G_TYPE_INSTANCE_GET_CLASS ((inst), GST_TYPE_LFO_CONTROL_SOURCE, GstLFOControlSourceClass)) |
| |
| #define GST_TYPE_LFO_WAVEFORM (gst_lfo_waveform_get_type ()) |
| |
| typedef struct _GstLFOControlSource GstLFOControlSource; |
| typedef struct _GstLFOControlSourceClass GstLFOControlSourceClass; |
| typedef struct _GstLFOControlSourcePrivate GstLFOControlSourcePrivate; |
| |
| /** |
| * GstLFOWaveform: |
| * @GST_LFO_WAVEFORM_SINE: sine waveform |
| * @GST_LFO_WAVEFORM_SQUARE: square waveform |
| * @GST_LFO_WAVEFORM_SAW: saw waveform |
| * @GST_LFO_WAVEFORM_REVERSE_SAW: reverse saw waveform |
| * @GST_LFO_WAVEFORM_TRIANGLE: triangle waveform |
| * |
| * The various waveform modes available. |
| */ |
| typedef enum |
| { |
| GST_LFO_WAVEFORM_SINE, |
| GST_LFO_WAVEFORM_SQUARE, |
| GST_LFO_WAVEFORM_SAW, |
| GST_LFO_WAVEFORM_REVERSE_SAW, |
| GST_LFO_WAVEFORM_TRIANGLE |
| } GstLFOWaveform; |
| |
| /** |
| * GstLFOControlSource: |
| * |
| * The instance structure of #GstControlSource. |
| */ |
| struct _GstLFOControlSource { |
| GstControlSource parent; |
| |
| /* <private> */ |
| GstLFOControlSourcePrivate *priv; |
| GMutex lock; |
| gpointer _gst_reserved[GST_PADDING]; |
| }; |
| |
| struct _GstLFOControlSourceClass { |
| GstControlSourceClass parent_class; |
| |
| /*< private >*/ |
| gpointer _gst_reserved[GST_PADDING]; |
| }; |
| |
| GType gst_lfo_control_source_get_type (void); |
| GType gst_lfo_waveform_get_type (void); |
| |
| /* Functions */ |
| |
| GstControlSource *gst_lfo_control_source_new (void); |
| |
| G_END_DECLS |
| |
| #endif /* __GST_LFO_CONTROL_SOURCE_H__ */ |