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160 lines
3.6 KiB
C
160 lines
3.6 KiB
C
/* GStreamer
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* Copyright (C) 2013 Juan Manuel Borges Caño <juanmabcmail@gmail.com>
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*
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* gstladspautils.h: Header for LADSPA plugin utils
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_LADSPA_UTILS_H__
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#define __GST_LADSPA_UTILS_H__
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#include <gst/gst.h>
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#include <gst/audio/gstaudiofilter.h>
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#include <gst/base/gstbasesrc.h>
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#include <gst/base/gstbasesink.h>
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#include <ladspa.h>
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G_BEGIN_DECLS
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typedef struct _GstLADSPA GstLADSPA;
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typedef struct _GstLADSPAClass GstLADSPAClass;
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struct _GstLADSPA
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{
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GstLADSPAClass *klass;
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LADSPA_Handle *handle;
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gboolean activated;
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unsigned long rate;
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struct
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{
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struct
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{
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LADSPA_Data *in;
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LADSPA_Data *out;
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} control;
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struct
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{
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LADSPA_Data **in;
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LADSPA_Data **out;
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} audio;
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} ports;
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};
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struct _GstLADSPAClass
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{
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guint properties;
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LADSPA_Descriptor *descriptor;
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struct
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{
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struct
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{
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guint in;
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guint out;
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} control;
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struct
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{
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guint in;
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guint out;
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} audio;
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} count;
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struct
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{
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struct
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{
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unsigned long *in;
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unsigned long *out;
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} control;
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struct
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{
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unsigned long *in;
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unsigned long *out;
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} audio;
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} map;
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};
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gboolean
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gst_ladspa_transform (GstLADSPA * ladspa, guint8 * outdata, guint samples,
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guint8 * indata);
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gboolean
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gst_ladspa_setup (GstLADSPA * ladspa, unsigned long rate);
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gboolean
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gst_ladspa_cleanup (GstLADSPA * ladspa);
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void
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gst_ladspa_object_set_property (GstLADSPA * ladspa, GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec);
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void
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gst_ladspa_object_get_property (GstLADSPA * ladspa, GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec);
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void
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gst_ladspa_object_class_install_properties (GstLADSPAClass * ladspa_class,
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GObjectClass * object_class, guint offset);
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void
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gst_ladspa_element_class_set_metadata (GstLADSPAClass * ladspa_class,
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GstElementClass * elem_class, const gchar * ladspa_class_tags);
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void
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gst_ladspa_filter_type_class_add_pad_templates (GstLADSPAClass * ladspa_class,
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GstAudioFilterClass * audio_class);
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void
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gst_ladspa_source_type_class_add_pad_template (GstLADSPAClass * ladspa_class,
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GstBaseSrcClass * audio_class);
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void
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gst_ladspa_sink_type_class_add_pad_template (GstLADSPAClass * ladspa_class,
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GstBaseSinkClass * base_class);
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void
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gst_ladspa_init (GstLADSPA * ladspa, GstLADSPAClass * ladspa_class);
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void
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gst_ladspa_finalize (GstLADSPA * ladspa);
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void
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gst_ladspa_class_init (GstLADSPAClass * ladspa_class, LADSPA_Descriptor * desc);
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void
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gst_ladspa_class_finalize (GstLADSPAClass * ladspa_class);
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void
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ladspa_count_ports (const LADSPA_Descriptor * desc, guint * audio_in,
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guint * audio_out, guint * control_in, guint * control_out);
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void
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ladspa_register_plugin (GstPlugin * plugin, GType parent_type,
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const gchar * tmp, const GTypeInfo * info, GQuark descriptor_quark,
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const gchar * filename, const LADSPA_Descriptor * desc);
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G_END_DECLS
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#endif /* __GST_LADSPA_UTILS_H__ */
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