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132 lines
4.1 KiB
C
132 lines
4.1 KiB
C
/* -*- Mode: C; c-basic-offset: 4 -*- */
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/*
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Copyright (C) 2002 Andy Wingo <wingo@pobox.com>
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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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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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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 Free
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __GST_JACK_H__
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#define __GST_JACK_H__
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#include <jack/jack.h>
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#include <gst/gst.h>
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#include <gst/bytestream/bytestream.h>
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#define GST_JACK(obj) G_TYPE_CHECK_INSTANCE_CAST(obj, GST_TYPE_JACK, GstJack)
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#define GST_JACK_CLASS(klass) G_TYPE_CHECK_CLASS_CAST(klass, GST_TYPE_JACK, GstJackClass)
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#define GST_IS_JACK(obj) G_TYPE_CHECK_INSTANCE_TYPE(obj, GST_TYPE_JACK)
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#define GST_IS_JACK_CLASS(klass) G_TYPE_CHECK_CLASS_TYPE(klass, GST_TYPE_JACK)
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#define GST_TYPE_JACK gst_jack_get_type()
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#define GST_JACK_SINK(obj) G_TYPE_CHECK_INSTANCE_CAST(obj, GST_TYPE_JACK_SINK, GstJack)
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#define GST_JACK_SINK_CLASS(klass) G_TYPE_CHECK_CLASS_CAST(klass, GST_TYPE_JACK_SINK, GstJackClass)
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#define GST_IS_JACK_SINK(obj) G_TYPE_CHECK_INSTANCE_TYPE(obj, GST_TYPE_JACK_SINK)
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#define GST_IS_JACK_SINK_CLASS(klass) G_TYPE_CHECK_CLASS_TYPE(klass, GST_TYPE_JACK_SINK)
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#define GST_TYPE_JACK_SINK gst_jack_sink_get_type()
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#define GST_JACK_SRC(obj) G_TYPE_CHECK_INSTANCE_CAST(obj, GST_TYPE_JACK_SRC, GstJack)
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#define GST_JACK_SRC_CLASS(klass) G_TYPE_CHECK_CLASS_CAST(klass, GST_TYPE_JACK_SRC, GstJackClass)
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#define GST_IS_JACK_SRC(obj) G_TYPE_CHECK_INSTANCE_TYPE(obj, GST_TYPE_JACK_SRC)
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#define GST_IS_JACK_SRC_CLASS(klass) G_TYPE_CHECK_CLASS_TYPE(klass, GST_TYPE_JACK_SRC)
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#define GST_TYPE_JACK_SRC gst_jack_src_get_type()
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#define GST_JACK_BIN(obj) G_TYPE_CHECK_INSTANCE_CAST(obj, GST_TYPE_JACK_BIN, GstJackBin)
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#define GST_JACK_BIN_CLASS(klass) G_TYPE_CHECK_CLASS_CAST(klass, GST_TYPE_JACK_BIN, GstJackClass)
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#define GST_IS_JACK_BIN(obj) G_TYPE_CHECK_INSTANCE_TYPE(obj, GST_TYPE_JACK_BIN)
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#define GST_IS_JACK_BIN_CLASS(klass) G_TYPE_CHECK_CLASS_TYPE(klass, GST_TYPE_JACK_BIN)
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#define GST_TYPE_JACK_BIN gst_jack_bin_get_type()
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#define GST_JACK_PAD(l) ((GstJackPad*)l->data) /* l is a GList */
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typedef struct _GstJack GstJack;
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typedef struct _GstJackClass GstJackClass;
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typedef struct _GstJackBin GstJackBin;
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typedef struct _GstJackBinClass GstJackBinClass;
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typedef GstJack GstJackSink;
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typedef GstJackClass GstJackSinkClass;
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typedef GstJack GstJackSrc;
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typedef GstJackClass GstJackSrcClass;
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enum {
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GST_JACK_OPEN = GST_BIN_FLAG_LAST,
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GST_JACK_ACTIVE,
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GST_JACK_FLAG_LAST = GST_BIN_FLAG_LAST + 3,
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};
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typedef struct {
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GstPad *pad;
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void *data;
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const gchar *name;
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const gchar *peer_name;
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GstByteStream *bs;
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jack_port_t *port;
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} GstJackPad;
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struct _GstJack {
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GstElement element;
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/* list of GstJackPads */
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GList *pads;
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/* for convenience */
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GstPadDirection direction;
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gchar *port_name_prefix;
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GstJackBin *bin;
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};
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struct _GstJackClass {
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GstElementClass parent_class;
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};
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struct _GstJackBin {
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GstBin bin;
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jack_client_t *client;
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gint default_new_port_number;
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/* lists of GstJackPads */
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GList *sink_pads;
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GList *src_pads;
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gchar *client_name;
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guint rate;
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jack_nframes_t nframes;
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/* the scheduler needs to be setup from within the jack client thread; this
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variable is to keep track of whether or not we have been set up yet */
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gboolean sched_setup;
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GCond *cond;
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GMutex *lock;
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};
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struct _GstJackBinClass {
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GstBinClass parent_class;
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};
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GType gst_jack_get_type (void);
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GType gst_jack_bin_get_type (void);
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GType gst_jack_sink_get_type (void);
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GType gst_jack_src_get_type (void);
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#endif /* __GST_JACK_H__ */
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