mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-23 10:11:08 +00:00
94 lines
2.3 KiB
C
94 lines
2.3 KiB
C
/*
|
|
* gstmidiparse - midiparse plugin for gstreamer
|
|
*
|
|
* Copyright 2007 Wouter Paesen <wouter@blue-gate.be>
|
|
* Copyright 2013 Wim Taymans <wim.taymans@gmail.be>
|
|
*
|
|
* 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_MIDIPARSE_H__
|
|
#define __GST_MIDIPARSE_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/base/gstadapter.h>
|
|
#include <midiparse.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_MIDI_PARSE \
|
|
(gst_midi_parse_get_type())
|
|
#define GST_MIDI_PARSE(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MIDI_PARSE,GstMidiParse))
|
|
#define GST_MIDI_PARSE_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MIDI_PARSE,GstMidiParseClass))
|
|
#define GST_IS_MIDI_PARSE(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MIDI_PARSE))
|
|
#define GST_IS_MIDI_PARSE_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MIDI_PARSE))
|
|
|
|
typedef struct _GstMidiParse GstMidiParse;
|
|
typedef struct _GstMidiParseClass GstMidiParseClass;
|
|
|
|
typedef enum {
|
|
GST_MIDI_PARSE_STATE_LOAD,
|
|
GST_MIDI_PARSE_STATE_PARSE,
|
|
GST_MIDI_PARSE_STATE_PLAY
|
|
} GstMidiParseState;
|
|
|
|
struct _GstMidiParse
|
|
{
|
|
GstElement element;
|
|
|
|
GstPad *sinkpad, *srcpad;
|
|
|
|
gboolean have_group_id;
|
|
guint group_id;
|
|
|
|
/* input stream properties */
|
|
GstMidiParseState state;
|
|
|
|
guint tempo;
|
|
guint16 ntracks;
|
|
guint16 division;
|
|
|
|
GList *tracks;
|
|
guint track_count;
|
|
|
|
guint64 offset;
|
|
GstAdapter *adapter;
|
|
guint8 *data;
|
|
|
|
/* output data */
|
|
gboolean discont;
|
|
GstSegment segment;
|
|
gboolean segment_pending;
|
|
guint32 seqnum;
|
|
|
|
guint64 pulse;
|
|
};
|
|
|
|
struct _GstMidiParseClass
|
|
{
|
|
GstElementClass parent_class;
|
|
};
|
|
|
|
GType gst_midi_parse_get_type (void);
|
|
GST_ELEMENT_REGISTER_DECLARE (midiparse);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_MIDI_PARSE_H__ */
|