gstreamer/ext/ladspa/gstladspa.h
Leif Johnson da4681d83e Updated ladspa to work with the new caps nego stuff. Also updated it to work in using a loop function for configurati...
Original commit message from CVS:
Updated ladspa to work with the new caps nego stuff. Also updated it to work in
any M sinkpads by N srcpads configuration (M > -1 and N > 0), using a loop
function for configurations other than M == N == 1 or M == 0.
2002-01-22 04:42:11 +00:00

93 lines
2 KiB
C

/* 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 <config.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;
gfloat lowerbound, upperbound;
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;
gfloat *controls;
GstPad **sinkpads,
**srcpads;
GstByteStream **bytestreams;
GstBufferPool *bufpool;
gboolean loopbased, newcaps, activated;
gint samplerate, buffersize, numbuffers;
gulong timestamp;
};
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__ */