gstreamer/ext/ladspa/gstladspa.h

/* GStreamer
 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
 *
 * gstladspa.h: Header for LADSPA plugin
 *
 * 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., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */


#ifndef __GST_LADSPA_H__
#define __GST_LADSPA_H__


#include <gst/gst.h>
#include <gst/bytestream/bytestream.h>

#include "ladspa.h"


#ifdef __cplusplus
extern "C"
{
#endif				/* __cplusplus */

  typedef struct _ladspa_control_info
  {
    gchar *name;
    gchar *param_name;
    gfloat lowerbound, upperbound;
    gfloat def;
    gboolean lower, upper, samplerate;
    gboolean toggled, logarithmic, integer, writable;
  } ladspa_control_info;

  typedef struct _GstLADSPA GstLADSPA;
  typedef struct _GstLADSPAClass GstLADSPAClass;

  struct _GstLADSPA
  {
    GstElement element;

    LADSPA_Descriptor *descriptor;
    LADSPA_Handle *handle;

    GstDParamManager *dpman;

    gfloat *controls;

    GstPad **sinkpads, **srcpads;

    gboolean activated;

    gint samplerate, buffer_frames;
    gint64 timestamp;
    gboolean inplace_broken;
  };

  struct _GstLADSPAClass
  {
    GstElementClass parent_class;

    LADSPA_Descriptor *descriptor;

    gint numports, numsinkpads, numsrcpads, numcontrols;

    gint *sinkpad_portnums, *srcpad_portnums, *control_portnums;

    ladspa_control_info *control_info;
  };


#ifdef __cplusplus
}
#endif				/* __cplusplus */


#endif				/* __GST_LADSPA_H__ */