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Original commit message from CVS: 2005-08-25 Andy Wingo <wingo@pobox.com> * ext/ladspa/gstladspa.h: * ext/ladspa/gstladspa.c: Halfway-ported. Doesn't compile yet. * ext/ladspa/gstsignalprocessor.h: * ext/ladspa/gstsignalprocessor.c: New files, the start of a base class for DSP elements. * configure.ac: Sort the external libs checks, add a ladspa check, output the ladspa makefile.
77 lines
1.7 KiB
C
77 lines
1.7 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* gstladspa.h: Header for LADSPA plugin
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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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_LADSPA_H__
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#define __GST_LADSPA_H__
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#include <ladspa.h>
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#include <gst/gst.h>
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#include "gstsignalprocessor.h"
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G_BEGIN_DECLS
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typedef struct _ladspa_control_info {
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gchar *name;
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gchar *param_name;
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gfloat lowerbound, upperbound;
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gfloat def;
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gboolean lower,upper,samplerate;
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gboolean toggled, logarithmic, integer, writable;
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} ladspa_control_info;
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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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GstSignalProcessor parent;
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LADSPA_Descriptor *descriptor;
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LADSPA_Handle *handle;
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gboolean activated;
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gboolean inplace_broken;
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};
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struct _GstLADSPAClass {
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GstSignalProcessorClass parent_class;
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LADSPA_Descriptor *descriptor;
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gint *sinkpad_portnums,
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*srcpad_portnums,
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*control_portnums;
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ladspa_control_info *control_info;
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};
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G_END_DECLS
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#endif /* __GST_LADSPA_H__ */
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