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