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128 lines
6.1 KiB
C
128 lines
6.1 KiB
C
/*-*- Mode: C; c-basic-offset: 2 -*-*/
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/*
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* GStreamer pulseaudio plugin
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*
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* Copyright (c) 2004-2008 Lennart Poettering
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*
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* gst-pulse is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of the
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* License, or (at your option) any later version.
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*
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* gst-pulse is distributed in the hope that it will be useful, but
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* 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with gst-pulse; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA.
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*/
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#ifndef __GST_PULSEPROBE_H__
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#define __GST_PULSEPROBE_H__
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#include <gst/gst.h>
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G_BEGIN_DECLS
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#include <pulse/pulseaudio.h>
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#include <pulse/thread-mainloop.h>
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typedef struct _GstPulseProbe GstPulseProbe;
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struct _GstPulseProbe
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{
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GObject *object;
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gchar *server;
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GList *devices;
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gboolean devices_valid:1;
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gboolean operation_success:1;
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gboolean enumerate_sinks:1;
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gboolean enumerate_sources:1;
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pa_threaded_mainloop *mainloop;
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pa_context *context;
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GList *properties;
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guint prop_id;
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};
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GstPulseProbe *gst_pulseprobe_new (GObject *object, GObjectClass * klass,
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guint prop_id, const gchar * server, gboolean sinks, gboolean sources);
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void gst_pulseprobe_free (GstPulseProbe * probe);
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const GList *gst_pulseprobe_get_properties (GstPulseProbe * probe);
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gboolean gst_pulseprobe_needs_probe (GstPulseProbe * probe, guint prop_id,
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const GParamSpec * pspec);
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void gst_pulseprobe_probe_property (GstPulseProbe * probe, guint prop_id,
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const GParamSpec * pspec);
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#if 0
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GValueArray *gst_pulseprobe_get_values (GstPulseProbe * probe, guint prop_id,
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const GParamSpec * pspec);
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#endif
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void gst_pulseprobe_set_server (GstPulseProbe * c, const gchar * server);
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#define GST_IMPLEMENT_PULSEPROBE_METHODS(Type, interface_as_function) \
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static const GList* \
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interface_as_function ## _get_properties(GstPropertyProbe * probe) \
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{ \
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Type *this = (Type*) probe; \
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\
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g_return_val_if_fail(this != NULL, NULL); \
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g_return_val_if_fail(this->probe != NULL, NULL); \
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\
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return gst_pulseprobe_get_properties(this->probe); \
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} \
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static gboolean \
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interface_as_function ## _needs_probe(GstPropertyProbe *probe, guint prop_id, \
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const GParamSpec *pspec) \
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{ \
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Type *this = (Type*) probe; \
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\
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g_return_val_if_fail(this != NULL, FALSE); \
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g_return_val_if_fail(this->probe != NULL, FALSE); \
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\
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return gst_pulseprobe_needs_probe(this->probe, prop_id, pspec); \
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} \
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static void \
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interface_as_function ## _probe_property(GstPropertyProbe *probe, \
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guint prop_id, const GParamSpec *pspec) \
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{ \
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Type *this = (Type*) probe; \
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\
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g_return_if_fail(this != NULL); \
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g_return_if_fail(this->probe != NULL); \
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\
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gst_pulseprobe_probe_property(this->probe, prop_id, pspec); \
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} \
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static GValueArray* \
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interface_as_function ## _get_values(GstPropertyProbe *probe, guint prop_id, \
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const GParamSpec *pspec) \
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{ \
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Type *this = (Type*) probe; \
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\
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g_return_val_if_fail(this != NULL, NULL); \
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g_return_val_if_fail(this->probe != NULL, NULL); \
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\
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return gst_pulseprobe_get_values(this->probe, prop_id, pspec); \
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} \
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static void \
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interface_as_function ## _property_probe_interface_init(GstPropertyProbeInterface *iface)\
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{ \
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iface->get_properties = interface_as_function ## _get_properties; \
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iface->needs_probe = interface_as_function ## _needs_probe; \
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iface->probe_property = interface_as_function ## _probe_property; \
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iface->get_values = interface_as_function ## _get_values; \
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}
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G_END_DECLS
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#endif
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