Blame ext/alsa/gstalsamidisrc.h

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/* GStreamer
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 * Copyright (C) 2014  Antonio Ospite <ao2@ao2.it>
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 *
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 * gstalsamidisrc.h: Source element for ALSA MIDI sequencer events
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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_ALSA_MIDI_SRC_H__
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#define __GST_ALSA_MIDI_SRC_H__
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#include <gst/gst.h>
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#include <gst/base/gstpushsrc.h>
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#include <alsa/asoundlib.h>
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G_BEGIN_DECLS
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#define GST_TYPE_ALSA_MIDI_SRC \
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  (gst_alsa_midi_src_get_type())
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#define GST_ALSA_MIDI_SRC(obj) \
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  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ALSA_MIDI_SRC,GstAlsaMidiSrc))
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#define GST_ALSA_MIDI_SRC_CLASS(klass) \
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  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ALSA_MIDI_SRC,GstAlsaMidiSrcClass))
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#define GST_IS_ALSA_MIDI_SRC(obj) \
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  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ALSA_MIDI_SRC))
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#define GST_IS_ALSA_MIDI_SRC_CLASS(klass) \
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  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ALSA_MIDI_SRC))
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typedef struct _GstAlsaMidiSrc GstAlsaMidiSrc;
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typedef struct _GstAlsaMidiSrcClass GstAlsaMidiSrcClass;
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/**
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 * GstAlsaMidiSrc:
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 *
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 * Opaque #GstAlsaMidiSrc data structure.
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 */
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struct _GstAlsaMidiSrc
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{
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  GstPushSrc element;
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  gchar *ports;
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  /*< private > */
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  snd_seq_t *seq;
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  int queue;
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  int port_count;
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  snd_seq_addr_t *seq_ports;
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  snd_midi_event_t *parser;
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  unsigned char *buffer;
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  GstPoll *poll;
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  guint64 tick;
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  guint64 delay;
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};
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struct _GstAlsaMidiSrcClass
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{
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  GstPushSrcClass parent_class;
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};
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G_GNUC_INTERNAL GType gst_alsa_midi_src_get_type (void);
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G_END_DECLS
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#endif /* __GST_ALSA_MIDI_SRC_H__ */