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94 lines
2.3 KiB
C
94 lines
2.3 KiB
C
/*
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* gstmidiparse - midiparse plugin for gstreamer
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*
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* Copyright 2007 Wouter Paesen <wouter@blue-gate.be>
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* Copyright 2013 Wim Taymans <wim.taymans@gmail.be>
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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_MIDIPARSE_H__
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#define __GST_MIDIPARSE_H__
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#include <gst/gst.h>
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#include <gst/base/gstadapter.h>
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#include <midiparse.h>
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G_BEGIN_DECLS
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#define GST_TYPE_MIDI_PARSE \
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(gst_midi_parse_get_type())
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#define GST_MIDI_PARSE(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MIDI_PARSE,GstMidiParse))
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#define GST_MIDI_PARSE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MIDI_PARSE,GstMidiParseClass))
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#define GST_IS_MIDI_PARSE(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MIDI_PARSE))
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#define GST_IS_MIDI_PARSE_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MIDI_PARSE))
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typedef struct _GstMidiParse GstMidiParse;
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typedef struct _GstMidiParseClass GstMidiParseClass;
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typedef enum {
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GST_MIDI_PARSE_STATE_LOAD,
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GST_MIDI_PARSE_STATE_PARSE,
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GST_MIDI_PARSE_STATE_PLAY
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} GstMidiParseState;
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struct _GstMidiParse
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{
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GstElement element;
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GstPad *sinkpad, *srcpad;
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gboolean have_group_id;
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guint group_id;
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/* input stream properties */
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GstMidiParseState state;
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guint tempo;
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guint16 ntracks;
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guint16 division;
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GList *tracks;
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guint track_count;
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guint64 offset;
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GstAdapter *adapter;
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guint8 *data;
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/* output data */
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gboolean discont;
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GstSegment segment;
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gboolean segment_pending;
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guint32 seqnum;
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guint64 pulse;
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};
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struct _GstMidiParseClass
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{
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GstElementClass parent_class;
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};
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GType gst_midi_parse_get_type (void);
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GST_ELEMENT_REGISTER_DECLARE (midiparse);
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G_END_DECLS
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#endif /* __GST_MIDI_PARSE_H__ */
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