[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 | |
---|
[2076] | 47 | #define GST_TYPE_ROARMIXER_TRACK \ |
---|
| 48 | (gst_roarmixer_track_get_type ()) |
---|
| 49 | #define GST_ROARMIXER_TRACK(obj) \ |
---|
| 50 | (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_ROARMIXER_TRACK, \ |
---|
| 51 | GstRoarMixerTrack)) |
---|
| 52 | #define GST_ROARMIXER_TRACK_CLASS(klass) \ |
---|
| 53 | (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_ROARMIXER_TRACK, \ |
---|
| 54 | GstRoarMixerTrackClass)) |
---|
| 55 | #define GST_IS_ROARMIXER_TRACK(obj) \ |
---|
| 56 | (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_ROARMIXER_TRACK)) |
---|
| 57 | #define GST_IS_ROARMIXER_TRACK_CLASS(klass) \ |
---|
| 58 | (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_ROARMIXER_TRACK)) |
---|
| 59 | |
---|
[2073] | 60 | |
---|
| 61 | typedef struct _GstRoarMixerElement GstRoarMixerElement; |
---|
| 62 | typedef struct _GstRoarMixerElementClass GstRoarMixerElementClass; |
---|
| 63 | typedef struct _GstRoarMixer GstRoarMixer; |
---|
| 64 | |
---|
| 65 | struct _GstRoarMixerElement { |
---|
| 66 | GstElement parent; |
---|
| 67 | |
---|
| 68 | GstRoarMixer *mixer; |
---|
| 69 | }; |
---|
| 70 | |
---|
| 71 | struct _GstRoarMixerElementClass { |
---|
| 72 | GstElementClass parent; |
---|
| 73 | }; |
---|
| 74 | |
---|
| 75 | |
---|
| 76 | GType gst_roar_mixer_element_get_type (void); |
---|
| 77 | |
---|
[2069] | 78 | typedef enum { |
---|
| 79 | GST_ROAR_MIXER_CAPTURE = 1<<0, |
---|
| 80 | GST_ROAR_MIXER_PLAYBACK = 1<<1, |
---|
| 81 | GST_ROAR_MIXER_ALL = GST_ROAR_MIXER_CAPTURE | GST_ROAR_MIXER_PLAYBACK |
---|
| 82 | } GstRoarMixerDirection; |
---|
| 83 | |
---|
| 84 | |
---|
| 85 | #define GST_ROAR_MIXER(obj) ((GstRoarMixer*)(obj)) |
---|
| 86 | |
---|
| 87 | struct _GstRoarMixer { |
---|
| 88 | GList * tracklist; /* list of available tracks */ |
---|
| 89 | |
---|
| 90 | struct roar_connection con; |
---|
| 91 | int fd; |
---|
| 92 | gchar *host; |
---|
| 93 | |
---|
| 94 | gchar * device; |
---|
| 95 | gchar * cardname; |
---|
| 96 | GstRoarMixerDirection dir; |
---|
| 97 | }; |
---|
| 98 | |
---|
[2072] | 99 | typedef struct _GstRoarMixerTrack { |
---|
| 100 | GstMixerTrack parent; |
---|
| 101 | |
---|
| 102 | struct roar_mixer_settings mixer; |
---|
| 103 | gint channels; |
---|
| 104 | gchar * name; |
---|
| 105 | gint stream_id; |
---|
| 106 | } GstRoarMixerTrack; |
---|
| 107 | |
---|
| 108 | typedef struct _GstRoarMixerTrackClass { |
---|
| 109 | GstMixerTrackClass parent; |
---|
| 110 | } GstRoarMixerTrackClass; |
---|
| 111 | |
---|
[2073] | 112 | GType gst_roarmixer_get_type(void); |
---|
| 113 | gboolean gst_roarmixer_factory_init (GstPlugin *plugin); |
---|
[2072] | 114 | |
---|
[2069] | 115 | GstRoarMixer* gst_roarmixer_new (const gchar *device, |
---|
| 116 | GstRoarMixerDirection dir); |
---|
| 117 | void gst_roarmixer_free (GstRoarMixer *mixer); |
---|
[2076] | 118 | void gst_roarmixer_updatestreamlist (GstRoarMixer *mixer); |
---|
[2069] | 119 | |
---|
| 120 | const GList* gst_roarmixer_list_tracks (GstRoarMixer * mixer); |
---|
| 121 | void gst_roarmixer_set_volume (GstRoarMixer * mixer, |
---|
| 122 | GstMixerTrack * track, |
---|
| 123 | gint * volumes); |
---|
| 124 | void gst_roarmixer_get_volume (GstRoarMixer * mixer, |
---|
| 125 | GstMixerTrack * track, |
---|
| 126 | gint * volumes); |
---|
| 127 | void gst_roarmixer_set_record (GstRoarMixer * mixer, |
---|
| 128 | GstMixerTrack * track, |
---|
| 129 | gboolean record); |
---|
| 130 | void gst_roarmixer_set_mute (GstRoarMixer * mixer, |
---|
| 131 | GstMixerTrack * track, |
---|
| 132 | gboolean mute); |
---|
| 133 | |
---|
[2076] | 134 | GType gst_roarmixer_track_get_type (void); |
---|
| 135 | GstMixerTrack * |
---|
| 136 | gst_roarmixer_track_new (GstRoarMixer * mixer, |
---|
[2077] | 137 | gint stream_id); |
---|
[2076] | 138 | |
---|
[2073] | 139 | #define GST_IMPLEMENT_ROAR_MIXER_METHODS(Type, interface_as_function) \ |
---|
| 140 | static gboolean \ |
---|
| 141 | interface_as_function ## _supported (Type *this, GType iface_type) \ |
---|
| 142 | { \ |
---|
| 143 | g_assert (iface_type == GST_TYPE_MIXER); \ |
---|
| 144 | \ |
---|
| 145 | return (this->mixer != NULL); \ |
---|
| 146 | } \ |
---|
| 147 | \ |
---|
| 148 | static const GList* \ |
---|
| 149 | interface_as_function ## _list_tracks (GstMixer * mixer) \ |
---|
| 150 | { \ |
---|
| 151 | Type *this = (Type*) mixer; \ |
---|
| 152 | \ |
---|
| 153 | g_return_val_if_fail (this != NULL, NULL); \ |
---|
| 154 | g_return_val_if_fail (this->mixer != NULL, NULL); \ |
---|
| 155 | \ |
---|
| 156 | return gst_roarmixer_list_tracks (this->mixer); \ |
---|
| 157 | } \ |
---|
| 158 | \ |
---|
| 159 | static void \ |
---|
| 160 | interface_as_function ## _set_volume (GstMixer * mixer, GstMixerTrack * track, \ |
---|
| 161 | gint * volumes) \ |
---|
| 162 | { \ |
---|
| 163 | Type *this = (Type*) mixer; \ |
---|
| 164 | \ |
---|
| 165 | g_return_if_fail (this != NULL); \ |
---|
| 166 | g_return_if_fail (this->mixer != NULL); \ |
---|
| 167 | \ |
---|
| 168 | gst_roarmixer_set_volume (this->mixer, track, volumes); \ |
---|
| 169 | } \ |
---|
| 170 | \ |
---|
| 171 | static void \ |
---|
| 172 | interface_as_function ## _get_volume (GstMixer * mixer, GstMixerTrack * track, \ |
---|
| 173 | gint * volumes) \ |
---|
| 174 | { \ |
---|
| 175 | Type *this = (Type*) mixer; \ |
---|
| 176 | \ |
---|
| 177 | g_return_if_fail (this != NULL); \ |
---|
| 178 | g_return_if_fail (this->mixer != NULL); \ |
---|
| 179 | \ |
---|
| 180 | gst_roarmixer_get_volume (this->mixer, track, volumes); \ |
---|
| 181 | } \ |
---|
| 182 | \ |
---|
| 183 | static void \ |
---|
| 184 | interface_as_function ## _set_record (GstMixer * mixer, GstMixerTrack * track, \ |
---|
| 185 | gboolean record) \ |
---|
| 186 | { \ |
---|
| 187 | Type *this = (Type*) mixer; \ |
---|
| 188 | \ |
---|
| 189 | g_return_if_fail (this != NULL); \ |
---|
| 190 | g_return_if_fail (this->mixer != NULL); \ |
---|
| 191 | \ |
---|
| 192 | gst_roarmixer_set_record (this->mixer, track, record); \ |
---|
| 193 | } \ |
---|
| 194 | \ |
---|
| 195 | static void \ |
---|
| 196 | interface_as_function ## _set_mute (GstMixer * mixer, GstMixerTrack * track, \ |
---|
| 197 | gboolean mute) \ |
---|
| 198 | { \ |
---|
| 199 | Type *this = (Type*) mixer; \ |
---|
| 200 | \ |
---|
| 201 | g_return_if_fail (this != NULL); \ |
---|
| 202 | g_return_if_fail (this->mixer != NULL); \ |
---|
| 203 | \ |
---|
| 204 | gst_roarmixer_set_mute (this->mixer, track, mute); \ |
---|
| 205 | } \ |
---|
| 206 | \ |
---|
| 207 | static void \ |
---|
| 208 | interface_as_function ## _interface_init (GstMixerClass * klass) \ |
---|
| 209 | { \ |
---|
| 210 | GST_MIXER_TYPE (klass) = GST_MIXER_HARDWARE; \ |
---|
| 211 | \ |
---|
| 212 | /* set up the interface hooks */ \ |
---|
| 213 | klass->list_tracks = interface_as_function ## _list_tracks; \ |
---|
| 214 | klass->set_volume = interface_as_function ## _set_volume; \ |
---|
| 215 | klass->get_volume = interface_as_function ## _get_volume; \ |
---|
| 216 | klass->set_mute = interface_as_function ## _set_mute; \ |
---|
| 217 | klass->set_record = interface_as_function ## _set_record; \ |
---|
| 218 | } |
---|
| 219 | |
---|
| 220 | |
---|
[2069] | 221 | G_END_DECLS |
---|
| 222 | |
---|
| 223 | #endif /* __GST_ROARMIXER_H__ */ |
---|