/* * GStreamer - SunAudio mixer interface element. * Copyright (C) 2005,2006 Sun Microsystems, Inc., * Brian Cameron <brian.cameron@sun.com> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the Free * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #ifndef __GST_SUNAUDIO_MIXER_CTRL_H #define __GST_SUNAUDIO_MIXER_CTRL_H #include <sys/audioio.h> #include <gst/gst.h> #include <gst/interfaces/mixer.h> G_BEGIN_DECLS #define GST_SUNAUDIO_MIXER_CTRL(obj) ((GstSunAudioMixerCtrl*)(obj)) typedef struct _GstSunAudioMixerCtrl GstSunAudioMixerCtrl; struct _GstSunAudioMixerCtrl { GList * tracklist; /* list of available tracks */ gint fd; gint mixer_fd; gchar * device; gint recdevs; }; GstSunAudioMixerCtrl* gst_sunaudiomixer_ctrl_new (const gchar *device); void gst_sunaudiomixer_ctrl_free (GstSunAudioMixerCtrl *mixer); const GList* gst_sunaudiomixer_ctrl_list_tracks (GstSunAudioMixerCtrl * mixer); void gst_sunaudiomixer_ctrl_set_volume (GstSunAudioMixerCtrl * mixer, GstMixerTrack * track, gint * volumes); void gst_sunaudiomixer_ctrl_get_volume (GstSunAudioMixerCtrl * mixer, GstMixerTrack * track, gint * volumes); void gst_sunaudiomixer_ctrl_set_record (GstSunAudioMixerCtrl * mixer, GstMixerTrack * track, gboolean record); void gst_sunaudiomixer_ctrl_set_mute (GstSunAudioMixerCtrl * mixer, GstMixerTrack * track, gboolean mute); #define GST_IMPLEMENT_SUNAUDIO_MIXER_CTRL_METHODS(Type, interface_as_function) \ static gboolean \ interface_as_function ## _supported (Type *this, GType iface_type) \ { \ g_assert (iface_type == GST_TYPE_MIXER); \ \ return (this->mixer != NULL); \ } \ \ static const GList* \ interface_as_function ## _list_tracks (GstMixer * mixer) \ { \ Type *this = (Type*) mixer; \ \ g_return_val_if_fail (this != NULL, NULL); \ g_return_val_if_fail (this->mixer != NULL, NULL); \ \ return gst_sunaudiomixer_ctrl_list_tracks (this->mixer); \ } \ \ static void \ interface_as_function ## _set_volume (GstMixer * mixer, GstMixerTrack * track, \ gint * volumes) \ { \ Type *this = (Type*) mixer; \ \ g_return_if_fail (this != NULL); \ g_return_if_fail (this->mixer != NULL); \ \ gst_sunaudiomixer_ctrl_set_volume (this->mixer, track, volumes); \ } \ \ static void \ interface_as_function ## _get_volume (GstMixer * mixer, GstMixerTrack * track, \ gint * volumes) \ { \ Type *this = (Type*) mixer; \ \ g_return_if_fail (this != NULL); \ g_return_if_fail (this->mixer != NULL); \ \ gst_sunaudiomixer_ctrl_get_volume (this->mixer, track, volumes); \ } \ \ static void \ interface_as_function ## _set_record (GstMixer * mixer, GstMixerTrack * track, \ gboolean record) \ { \ Type *this = (Type*) mixer; \ \ g_return_if_fail (this != NULL); \ g_return_if_fail (this->mixer != NULL); \ \ gst_sunaudiomixer_ctrl_set_record (this->mixer, track, record); \ } \ \ static void \ interface_as_function ## _set_mute (GstMixer * mixer, GstMixerTrack * track, \ gboolean mute) \ { \ Type *this = (Type*) mixer; \ \ g_return_if_fail (this != NULL); \ g_return_if_fail (this->mixer != NULL); \ \ gst_sunaudiomixer_ctrl_set_mute (this->mixer, track, mute); \ } \ \ static void \ interface_as_function ## _interface_init (GstMixerClass * klass) \ { \ GST_MIXER_TYPE (klass) = GST_MIXER_HARDWARE; \ \ /* set up the interface hooks */ \ klass->list_tracks = interface_as_function ## _list_tracks; \ klass->set_volume = interface_as_function ## _set_volume; \ klass->get_volume = interface_as_function ## _get_volume; \ klass->set_mute = interface_as_function ## _set_mute; \ klass->set_record = interface_as_function ## _set_record; \ } G_END_DECLS #endif