[2069] | 1 | //roarmixer.h: |
---|
| 2 | /* GStreamer |
---|
| 3 | * Copyright (C) <2005> Arwed v. Merkatz <v.merkatz@gmx.net> |
---|
| 4 | * Copyright (C) <2008> Philipp 'ph3-der-loewe' Schafft |
---|
| 5 | * Copyright (C) <2009> Philipp 'ph3-der-loewe' Schafft |
---|
| 6 | * <lion@lion.leolix.org> |
---|
| 7 | * |
---|
| 8 | * roarmixer.h: an RoarAudio audio mixer |
---|
| 9 | * |
---|
| 10 | * This library is free software; you can redistribute it and/or |
---|
| 11 | * modify it under the terms of the GNU Library General Public |
---|
| 12 | * License as published by the Free Software Foundation; either |
---|
| 13 | * version 2 of the License, or (at your option) any later version. |
---|
| 14 | * |
---|
| 15 | * This library is distributed in the hope that it will be useful, |
---|
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
---|
| 18 | * Library General Public License for more details. |
---|
| 19 | * |
---|
| 20 | * You should have received a copy of the GNU Library General Public |
---|
| 21 | * License along with this library; if not, write to the |
---|
| 22 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
---|
| 23 | * Boston, MA 02111-1307, USA. |
---|
| 24 | */ |
---|
| 25 | |
---|
| 26 | |
---|
| 27 | #ifndef __GST_ROARMIXER_H__ |
---|
| 28 | #define __GST_ROARMIXER_H__ |
---|
| 29 | |
---|
| 30 | #include <gst/gst.h> |
---|
| 31 | #include <gst/interfaces/mixer.h> |
---|
| 32 | #include <roaraudio.h> |
---|
| 33 | |
---|
| 34 | #define VERSION "0.0.1" |
---|
| 35 | #define PACKAGE "gst-plugins" |
---|
| 36 | #define GST_PACKAGE_ORIGIN "Unknown package origin" |
---|
| 37 | #define GST_PACKAGE_NAME "GStreamer Plug-ins source release" |
---|
| 38 | |
---|
| 39 | G_BEGIN_DECLS |
---|
| 40 | |
---|
[2073] | 41 | #define GST_ROAR_MIXER_ELEMENT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ROAR_MIXER_ELEMENT,GstRoarMixerElement)) |
---|
| 42 | #define GST_ROAR_MIXER_ELEMENT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ROAR_MIXER_ELEMENT,GstRoarMixerElementClass)) |
---|
| 43 | #define GST_IS_ROAR_MIXER_ELEMENT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ROAR_MIXER_ELEMENT)) |
---|
| 44 | #define GST_IS_ROAR_MIXER_ELEMENT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ROAR_MIXER_ELEMENT)) |
---|
| 45 | #define GST_TYPE_ROAR_MIXER_ELEMENT (gst_roar_mixer_element_get_type()) |
---|
| 46 | |
---|
| 47 | |
---|
| 48 | typedef struct _GstRoarMixerElement GstRoarMixerElement; |
---|
| 49 | typedef struct _GstRoarMixerElementClass GstRoarMixerElementClass; |
---|
| 50 | typedef struct _GstRoarMixer GstRoarMixer; |
---|
| 51 | |
---|
| 52 | struct _GstRoarMixerElement { |
---|
| 53 | GstElement parent; |
---|
| 54 | |
---|
| 55 | GstRoarMixer *mixer; |
---|
| 56 | }; |
---|
| 57 | |
---|
| 58 | struct _GstRoarMixerElementClass { |
---|
| 59 | GstElementClass parent; |
---|
| 60 | }; |
---|
| 61 | |
---|
| 62 | |
---|
| 63 | GType gst_roar_mixer_element_get_type (void); |
---|
| 64 | |
---|
[2069] | 65 | typedef enum { |
---|
| 66 | GST_ROAR_MIXER_CAPTURE = 1<<0, |
---|
| 67 | GST_ROAR_MIXER_PLAYBACK = 1<<1, |
---|
| 68 | GST_ROAR_MIXER_ALL = GST_ROAR_MIXER_CAPTURE | GST_ROAR_MIXER_PLAYBACK |
---|
| 69 | } GstRoarMixerDirection; |
---|
| 70 | |
---|
| 71 | |
---|
| 72 | #define GST_ROAR_MIXER(obj) ((GstRoarMixer*)(obj)) |
---|
| 73 | |
---|
[2073] | 74 | #define GST_TYPE_ROARMIXER \ |
---|
| 75 | (gst_roarmixer_get_type()) |
---|
| 76 | |
---|
[2069] | 77 | struct _GstRoarMixer { |
---|
| 78 | GList * tracklist; /* list of available tracks */ |
---|
| 79 | |
---|
| 80 | struct roar_connection con; |
---|
| 81 | int fd; |
---|
| 82 | gchar *host; |
---|
| 83 | |
---|
| 84 | gchar * device; |
---|
| 85 | gchar * cardname; |
---|
| 86 | GstRoarMixerDirection dir; |
---|
| 87 | }; |
---|
| 88 | |
---|
[2072] | 89 | typedef struct _GstRoarMixerTrack { |
---|
| 90 | GstMixerTrack parent; |
---|
| 91 | |
---|
| 92 | struct roar_mixer_settings mixer; |
---|
| 93 | gint channels; |
---|
| 94 | gchar * name; |
---|
| 95 | gint stream_id; |
---|
| 96 | } GstRoarMixerTrack; |
---|
| 97 | |
---|
| 98 | typedef struct _GstRoarMixerTrackClass { |
---|
| 99 | GstMixerTrackClass parent; |
---|
| 100 | } GstRoarMixerTrackClass; |
---|
| 101 | |
---|
[2073] | 102 | GType gst_roarmixer_get_type(void); |
---|
| 103 | gboolean gst_roarmixer_factory_init (GstPlugin *plugin); |
---|
[2072] | 104 | |
---|
[2069] | 105 | GstRoarMixer* gst_roarmixer_new (const gchar *device, |
---|
| 106 | GstRoarMixerDirection dir); |
---|
| 107 | void gst_roarmixer_free (GstRoarMixer *mixer); |
---|
| 108 | |
---|
| 109 | const GList* gst_roarmixer_list_tracks (GstRoarMixer * mixer); |
---|
| 110 | void gst_roarmixer_set_volume (GstRoarMixer * mixer, |
---|
| 111 | GstMixerTrack * track, |
---|
| 112 | gint * volumes); |
---|
| 113 | void gst_roarmixer_get_volume (GstRoarMixer * mixer, |
---|
| 114 | GstMixerTrack * track, |
---|
| 115 | gint * volumes); |
---|
| 116 | void gst_roarmixer_set_record (GstRoarMixer * mixer, |
---|
| 117 | GstMixerTrack * track, |
---|
| 118 | gboolean record); |
---|
| 119 | void gst_roarmixer_set_mute (GstRoarMixer * mixer, |
---|
| 120 | GstMixerTrack * track, |
---|
| 121 | gboolean mute); |
---|
| 122 | |
---|
[2073] | 123 | #define GST_IMPLEMENT_ROAR_MIXER_METHODS(Type, interface_as_function) \ |
---|
| 124 | static gboolean \ |
---|
| 125 | interface_as_function ## _supported (Type *this, GType iface_type) \ |
---|
| 126 | { \ |
---|
| 127 | g_assert (iface_type == GST_TYPE_MIXER); \ |
---|
| 128 | \ |
---|
| 129 | return (this->mixer != NULL); \ |
---|
| 130 | } \ |
---|
| 131 | \ |
---|
| 132 | static const GList* \ |
---|
| 133 | interface_as_function ## _list_tracks (GstMixer * mixer) \ |
---|
| 134 | { \ |
---|
| 135 | Type *this = (Type*) mixer; \ |
---|
| 136 | \ |
---|
| 137 | g_return_val_if_fail (this != NULL, NULL); \ |
---|
| 138 | g_return_val_if_fail (this->mixer != NULL, NULL); \ |
---|
| 139 | \ |
---|
| 140 | return gst_roarmixer_list_tracks (this->mixer); \ |
---|
| 141 | } \ |
---|
| 142 | \ |
---|
| 143 | static void \ |
---|
| 144 | interface_as_function ## _set_volume (GstMixer * mixer, GstMixerTrack * track, \ |
---|
| 145 | gint * volumes) \ |
---|
| 146 | { \ |
---|
| 147 | Type *this = (Type*) mixer; \ |
---|
| 148 | \ |
---|
| 149 | g_return_if_fail (this != NULL); \ |
---|
| 150 | g_return_if_fail (this->mixer != NULL); \ |
---|
| 151 | \ |
---|
| 152 | gst_roarmixer_set_volume (this->mixer, track, volumes); \ |
---|
| 153 | } \ |
---|
| 154 | \ |
---|
| 155 | static void \ |
---|
| 156 | interface_as_function ## _get_volume (GstMixer * mixer, GstMixerTrack * track, \ |
---|
| 157 | gint * volumes) \ |
---|
| 158 | { \ |
---|
| 159 | Type *this = (Type*) mixer; \ |
---|
| 160 | \ |
---|
| 161 | g_return_if_fail (this != NULL); \ |
---|
| 162 | g_return_if_fail (this->mixer != NULL); \ |
---|
| 163 | \ |
---|
| 164 | gst_roarmixer_get_volume (this->mixer, track, volumes); \ |
---|
| 165 | } \ |
---|
| 166 | \ |
---|
| 167 | static void \ |
---|
| 168 | interface_as_function ## _set_record (GstMixer * mixer, GstMixerTrack * track, \ |
---|
| 169 | gboolean record) \ |
---|
| 170 | { \ |
---|
| 171 | Type *this = (Type*) mixer; \ |
---|
| 172 | \ |
---|
| 173 | g_return_if_fail (this != NULL); \ |
---|
| 174 | g_return_if_fail (this->mixer != NULL); \ |
---|
| 175 | \ |
---|
| 176 | gst_roarmixer_set_record (this->mixer, track, record); \ |
---|
| 177 | } \ |
---|
| 178 | \ |
---|
| 179 | static void \ |
---|
| 180 | interface_as_function ## _set_mute (GstMixer * mixer, GstMixerTrack * track, \ |
---|
| 181 | gboolean mute) \ |
---|
| 182 | { \ |
---|
| 183 | Type *this = (Type*) mixer; \ |
---|
| 184 | \ |
---|
| 185 | g_return_if_fail (this != NULL); \ |
---|
| 186 | g_return_if_fail (this->mixer != NULL); \ |
---|
| 187 | \ |
---|
| 188 | gst_roarmixer_set_mute (this->mixer, track, mute); \ |
---|
| 189 | } \ |
---|
| 190 | \ |
---|
| 191 | static void \ |
---|
| 192 | interface_as_function ## _interface_init (GstMixerClass * klass) \ |
---|
| 193 | { \ |
---|
| 194 | GST_MIXER_TYPE (klass) = GST_MIXER_HARDWARE; \ |
---|
| 195 | \ |
---|
| 196 | /* set up the interface hooks */ \ |
---|
| 197 | klass->list_tracks = interface_as_function ## _list_tracks; \ |
---|
| 198 | klass->set_volume = interface_as_function ## _set_volume; \ |
---|
| 199 | klass->get_volume = interface_as_function ## _get_volume; \ |
---|
| 200 | klass->set_mute = interface_as_function ## _set_mute; \ |
---|
| 201 | klass->set_record = interface_as_function ## _set_record; \ |
---|
| 202 | } |
---|
| 203 | |
---|
| 204 | |
---|
[2069] | 205 | G_END_DECLS |
---|
| 206 | |
---|
| 207 | #endif /* __GST_ROARMIXER_H__ */ |
---|