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/* GStreamer
* Copyright (C) 1999 Erik Walthinsen <omega@cse.ogi.edu>
* Copyright (C) 2005 Stefan Kost <ensonic@users.sf.net> (audiotestsrc)
* Copyright (C) 2013 Juan Manuel Borges Caño <juanmabcmail@gmail.com>
*
* gstladspasource.h: Header for LADSPA source
*
* 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_LADSPA_SOURCE_H__
#define __GST_LADSPA_SOURCE_H__
#include <gst/gst.h>
#include <gst/base/gstbasesrc.h>
#include "gstladspautils.h"
G_BEGIN_DECLS
#define GST_TYPE_LADSPA_SOURCE (gst_ladspa_source_get_type())
#define GST_LADSPA_SOURCE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_LADSPA_SOURCE,GstLADSPASource))
#define GST_LADSPA_SOURCE_CAST(obj) ((GstLADSPASource *) (obj))
#define GST_LADSPA_SOURCE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_LADSPA_SOURCE,GstLADSPASourceClass))
#define GST_LADSPA_SOURCE_CLASS_CAST(klass) ((GstLADSPASourceClass *) (klass))
#define GST_LADSPA_SOURCE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_LADSPA_SOURCE,GstLADSPASourceClass))
#define GST_IS_LADSPA_SOURCE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_LADSPA_SOURCE))
#define GST_IS_LADSPA_SOURCE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_LADSPA_SOURCE))
typedef struct _GstLADSPASource GstLADSPASource;
typedef struct _GstLADSPASourceClass GstLADSPASourceClass;
struct _GstLADSPASource
{
GstBaseSrc parent;
GstLADSPA ladspa;
/* audio parameters */
GstAudioInfo info;
gint samples_per_buffer;
/*< private > */
gboolean tags_pushed; /* send tags just once ? */
GstClockTimeDiff timestamp_offset; /* base offset */
GstClockTime next_time; /* next timestamp */
gint64 next_sample; /* next sample to send */
gint64 next_byte; /* next byte to send */
gint64 sample_stop;
gboolean check_seek_stop;
gboolean eos_reached;
gint generate_samples_per_buffer; /* used to generate a partial buffer */
gboolean can_activate_pull;
gboolean reverse; /* play backwards */
};
struct _GstLADSPASourceClass
{
GstBaseSrcClass parent_class;
GstLADSPAClass ladspa;
};
GType
gst_ladspa_source_get_type (void);
void
ladspa_register_source_element (GstPlugin * plugin, GstStructure *ladspa_meta);
void
gst_my_base_source_class_add_pad_template (GstBaseSrcClass * base_class,
GstCaps * srccaps);
G_END_DECLS
#endif /* __GST_LADSPA_SOURCE_H__ */
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