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179 lines
8.9 KiB
C
179 lines
8.9 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_PULSEMIXERCTRL_H__
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#define __GST_PULSEMIXERCTRL_H__
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#include <gst/gst.h>
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#include <gst/audio/mixer.h>
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#include <pulse/pulseaudio.h>
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#include <pulse/thread-mainloop.h>
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G_BEGIN_DECLS
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#define GST_PULSEMIXER_CTRL(obj) ((GstPulseMixerCtrl*)(obj))
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typedef struct _GstPulseMixerCtrl GstPulseMixerCtrl;
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typedef enum
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{
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GST_PULSEMIXER_UNKNOWN,
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GST_PULSEMIXER_SINK,
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GST_PULSEMIXER_SOURCE
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} GstPulseMixerType;
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struct _GstPulseMixerCtrl
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{
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GObject *object;
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GList *tracklist;
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gchar *server, *device;
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pa_threaded_mainloop *mainloop;
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pa_context *context;
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gchar *name, *description;
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pa_channel_map channel_map;
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pa_cvolume volume;
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gboolean muted:1;
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gboolean update_volume:1;
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gboolean update_mute:1;
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gboolean operation_success:1;
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guint32 index;
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GstPulseMixerType type;
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GstMixerTrack *track;
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pa_time_event *time_event;
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int outstandig_queries;
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int ignore_queries;
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};
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GstPulseMixerCtrl *gst_pulsemixer_ctrl_new (GObject *object, const gchar * server,
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const gchar * device, GstPulseMixerType type);
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void gst_pulsemixer_ctrl_free (GstPulseMixerCtrl * mixer);
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const GList *gst_pulsemixer_ctrl_list_tracks (GstPulseMixerCtrl * mixer);
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void gst_pulsemixer_ctrl_set_volume (GstPulseMixerCtrl * mixer,
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GstMixerTrack * track, gint * volumes);
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void gst_pulsemixer_ctrl_get_volume (GstPulseMixerCtrl * mixer,
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GstMixerTrack * track, gint * volumes);
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void gst_pulsemixer_ctrl_set_mute (GstPulseMixerCtrl * mixer,
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GstMixerTrack * track, gboolean mute);
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void gst_pulsemixer_ctrl_set_record (GstPulseMixerCtrl * mixer,
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GstMixerTrack * track, gboolean record);
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GstMixerFlags gst_pulsemixer_ctrl_get_mixer_flags (GstPulseMixerCtrl * mixer);
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#define GST_IMPLEMENT_PULSEMIXER_CTRL_METHODS(Type, interface_as_function) \
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static const GList* \
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interface_as_function ## _list_tracks (GstMixer * mixer) \
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{ \
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Type *this = (Type*) mixer; \
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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->mixer != NULL, NULL); \
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\
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return gst_pulsemixer_ctrl_list_tracks (this->mixer); \
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} \
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static void \
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interface_as_function ## _set_volume (GstMixer * mixer, GstMixerTrack * track, \
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gint * volumes) \
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{ \
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Type *this = (Type*) mixer; \
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\
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g_return_if_fail (this != NULL); \
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g_return_if_fail (this->mixer != NULL); \
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\
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gst_pulsemixer_ctrl_set_volume (this->mixer, track, volumes); \
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} \
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static void \
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interface_as_function ## _get_volume (GstMixer * mixer, GstMixerTrack * track, \
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gint * volumes) \
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{ \
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Type *this = (Type*) mixer; \
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\
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g_return_if_fail (this != NULL); \
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g_return_if_fail (this->mixer != NULL); \
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\
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gst_pulsemixer_ctrl_get_volume (this->mixer, track, volumes); \
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} \
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static void \
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interface_as_function ## _set_record (GstMixer * mixer, GstMixerTrack * track, \
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gboolean record) \
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{ \
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Type *this = (Type*) mixer; \
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\
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g_return_if_fail (this != NULL); \
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g_return_if_fail (this->mixer != NULL); \
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\
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gst_pulsemixer_ctrl_set_record (this->mixer, track, record); \
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} \
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static void \
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interface_as_function ## _set_mute (GstMixer * mixer, GstMixerTrack * track, \
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gboolean mute) \
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{ \
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Type *this = (Type*) mixer; \
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\
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g_return_if_fail (this != NULL); \
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g_return_if_fail (this->mixer != NULL); \
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\
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gst_pulsemixer_ctrl_set_mute (this->mixer, track, mute); \
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} \
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static GstMixerFlags \
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interface_as_function ## _get_mixer_flags (GstMixer * mixer) \
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{ \
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Type *this = (Type*) mixer; \
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\
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g_return_val_if_fail (this != NULL, GST_MIXER_FLAG_NONE); \
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g_return_val_if_fail (this->mixer != NULL, GST_MIXER_FLAG_NONE); \
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\
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return gst_pulsemixer_ctrl_get_mixer_flags (this->mixer); \
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} \
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static GstMixerType \
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interface_as_function ## _get_mixer_type (GstMixer * mixer) \
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{ \
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return GST_MIXER_HARDWARE; \
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} \
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static void \
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interface_as_function ## _mixer_interface_init (GstMixerInterface * iface) \
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{ \
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iface->list_tracks = interface_as_function ## _list_tracks; \
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iface->set_volume = interface_as_function ## _set_volume; \
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iface->get_volume = interface_as_function ## _get_volume; \
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iface->set_mute = interface_as_function ## _set_mute; \
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iface->set_record = interface_as_function ## _set_record; \
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iface->get_mixer_flags = interface_as_function ## _get_mixer_flags; \
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iface->get_mixer_type = interface_as_function ## _get_mixer_type; \
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}
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G_END_DECLS
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#endif
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