2 * Copyright (C) 2014 Antonio Ospite <ao2@ao2.it>
4 * gstalsamidisrc.h: Source element for ALSA MIDI sequencer events
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
22 #ifndef __GST_ALSA_MIDI_SRC_H__
23 #define __GST_ALSA_MIDI_SRC_H__
26 #include <gst/base/gstpushsrc.h>
28 #include <alsa/asoundlib.h>
31 #define GST_TYPE_ALSA_MIDI_SRC \
32 (gst_alsa_midi_src_get_type())
33 #define GST_ALSA_MIDI_SRC(obj) \
34 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ALSA_MIDI_SRC,GstAlsaMidiSrc))
35 #define GST_ALSA_MIDI_SRC_CLASS(klass) \
36 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ALSA_MIDI_SRC,GstAlsaMidiSrcClass))
37 #define GST_IS_ALSA_MIDI_SRC(obj) \
38 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ALSA_MIDI_SRC))
39 #define GST_IS_ALSA_MIDI_SRC_CLASS(klass) \
40 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ALSA_MIDI_SRC))
42 typedef struct _GstAlsaMidiSrc GstAlsaMidiSrc;
43 typedef struct _GstAlsaMidiSrcClass GstAlsaMidiSrcClass;
48 * Opaque #GstAlsaMidiSrc data structure.
50 struct _GstAlsaMidiSrc
60 snd_seq_addr_t *seq_ports;
61 snd_midi_event_t *parser;
62 unsigned char *buffer;
70 struct _GstAlsaMidiSrcClass
72 GstPushSrcClass parent_class;
75 G_GNUC_INTERNAL GType gst_alsa_midi_src_get_type (void);
78 #endif /* __GST_ALSA_MIDI_SRC_H__ */