[2069] | 1 | //roarmixer.h: |
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| 2 | /* GStreamer |
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[3814] | 3 | * Copyright (C) <2005> Arwed v. Merkatz <v.merkatz@gmx.net> |
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| 4 | * Copyright (C) <2008-2010> Philipp 'ph3-der-loewe' Schafft |
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| 5 | * <lion@lion.leolix.org> |
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[2069] | 6 | * |
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| 7 | * roarmixer.h: an RoarAudio audio mixer |
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| 8 | * |
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| 9 | * This library is free software; you can redistribute it and/or |
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| 10 | * modify it under the terms of the GNU Library General Public |
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| 11 | * License as published by the Free Software Foundation; either |
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| 12 | * version 2 of the License, or (at your option) any later version. |
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| 13 | * |
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| 14 | * This library is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 17 | * Library General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU Library General Public |
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| 20 | * License along with this library; if not, write to the |
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| 21 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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| 22 | * Boston, MA 02111-1307, USA. |
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| 23 | */ |
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| 24 | |
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| 25 | |
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| 26 | #ifndef __GST_ROARMIXER_H__ |
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| 27 | #define __GST_ROARMIXER_H__ |
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| 28 | |
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| 29 | #include <gst/gst.h> |
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| 30 | #include <gst/interfaces/mixer.h> |
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| 31 | #include <roaraudio.h> |
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| 32 | |
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| 33 | #define VERSION "0.0.1" |
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| 34 | #define PACKAGE "gst-plugins" |
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| 35 | #define GST_PACKAGE_ORIGIN "Unknown package origin" |
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| 36 | #define GST_PACKAGE_NAME "GStreamer Plug-ins source release" |
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| 37 | |
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| 38 | G_BEGIN_DECLS |
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| 39 | |
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[2073] | 40 | #define GST_ROAR_MIXER_ELEMENT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ROAR_MIXER_ELEMENT,GstRoarMixerElement)) |
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| 41 | #define GST_ROAR_MIXER_ELEMENT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ROAR_MIXER_ELEMENT,GstRoarMixerElementClass)) |
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| 42 | #define GST_IS_ROAR_MIXER_ELEMENT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ROAR_MIXER_ELEMENT)) |
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| 43 | #define GST_IS_ROAR_MIXER_ELEMENT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ROAR_MIXER_ELEMENT)) |
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| 44 | #define GST_TYPE_ROAR_MIXER_ELEMENT (gst_roar_mixer_element_get_type()) |
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| 45 | |
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[2076] | 46 | #define GST_TYPE_ROARMIXER_TRACK \ |
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| 47 | (gst_roarmixer_track_get_type ()) |
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| 48 | #define GST_ROARMIXER_TRACK(obj) \ |
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| 49 | (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_ROARMIXER_TRACK, \ |
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| 50 | GstRoarMixerTrack)) |
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| 51 | #define GST_ROARMIXER_TRACK_CLASS(klass) \ |
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| 52 | (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_ROARMIXER_TRACK, \ |
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| 53 | GstRoarMixerTrackClass)) |
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| 54 | #define GST_IS_ROARMIXER_TRACK(obj) \ |
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| 55 | (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_ROARMIXER_TRACK)) |
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| 56 | #define GST_IS_ROARMIXER_TRACK_CLASS(klass) \ |
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| 57 | (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_ROARMIXER_TRACK)) |
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| 58 | |
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[2073] | 59 | |
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| 60 | typedef struct _GstRoarMixerElement GstRoarMixerElement; |
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| 61 | typedef struct _GstRoarMixerElementClass GstRoarMixerElementClass; |
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| 62 | typedef struct _GstRoarMixer GstRoarMixer; |
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| 63 | |
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| 64 | struct _GstRoarMixerElement { |
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| 65 | GstElement parent; |
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| 66 | |
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| 67 | GstRoarMixer *mixer; |
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| 68 | }; |
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| 69 | |
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| 70 | struct _GstRoarMixerElementClass { |
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| 71 | GstElementClass parent; |
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| 72 | }; |
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| 73 | |
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| 74 | |
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| 75 | GType gst_roar_mixer_element_get_type (void); |
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| 76 | |
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[2069] | 77 | typedef enum { |
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| 78 | GST_ROAR_MIXER_CAPTURE = 1<<0, |
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| 79 | GST_ROAR_MIXER_PLAYBACK = 1<<1, |
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| 80 | GST_ROAR_MIXER_ALL = GST_ROAR_MIXER_CAPTURE | GST_ROAR_MIXER_PLAYBACK |
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| 81 | } GstRoarMixerDirection; |
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| 82 | |
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| 83 | |
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| 84 | #define GST_ROAR_MIXER(obj) ((GstRoarMixer*)(obj)) |
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| 85 | |
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| 86 | struct _GstRoarMixer { |
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| 87 | GList * tracklist; /* list of available tracks */ |
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| 88 | |
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| 89 | struct roar_connection con; |
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| 90 | int fd; |
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| 91 | gchar *host; |
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| 92 | |
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| 93 | gchar * device; |
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| 94 | gchar * cardname; |
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| 95 | GstRoarMixerDirection dir; |
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| 96 | }; |
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| 97 | |
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[2072] | 98 | typedef struct _GstRoarMixerTrack { |
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| 99 | GstMixerTrack parent; |
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| 100 | |
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| 101 | struct roar_mixer_settings mixer; |
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| 102 | gint channels; |
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| 103 | gchar * name; |
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| 104 | gint stream_id; |
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| 105 | } GstRoarMixerTrack; |
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| 106 | |
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| 107 | typedef struct _GstRoarMixerTrackClass { |
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| 108 | GstMixerTrackClass parent; |
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| 109 | } GstRoarMixerTrackClass; |
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| 110 | |
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[2073] | 111 | GType gst_roarmixer_get_type(void); |
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| 112 | gboolean gst_roarmixer_factory_init (GstPlugin *plugin); |
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[2072] | 113 | |
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[2069] | 114 | GstRoarMixer* gst_roarmixer_new (const gchar *device, |
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| 115 | GstRoarMixerDirection dir); |
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| 116 | void gst_roarmixer_free (GstRoarMixer *mixer); |
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[2076] | 117 | void gst_roarmixer_updatestreamlist (GstRoarMixer *mixer); |
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[2069] | 118 | |
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| 119 | const GList* gst_roarmixer_list_tracks (GstRoarMixer * mixer); |
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| 120 | void gst_roarmixer_set_volume (GstRoarMixer * mixer, |
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| 121 | GstMixerTrack * track, |
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| 122 | gint * volumes); |
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| 123 | void gst_roarmixer_get_volume (GstRoarMixer * mixer, |
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| 124 | GstMixerTrack * track, |
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| 125 | gint * volumes); |
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| 126 | void gst_roarmixer_set_record (GstRoarMixer * mixer, |
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| 127 | GstMixerTrack * track, |
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| 128 | gboolean record); |
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| 129 | void gst_roarmixer_set_mute (GstRoarMixer * mixer, |
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| 130 | GstMixerTrack * track, |
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| 131 | gboolean mute); |
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| 132 | |
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[2076] | 133 | GType gst_roarmixer_track_get_type (void); |
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| 134 | GstMixerTrack * |
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| 135 | gst_roarmixer_track_new (GstRoarMixer * mixer, |
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[2077] | 136 | gint stream_id); |
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[2076] | 137 | |
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[2073] | 138 | #define GST_IMPLEMENT_ROAR_MIXER_METHODS(Type, interface_as_function) \ |
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| 139 | static gboolean \ |
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| 140 | interface_as_function ## _supported (Type *this, GType iface_type) \ |
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| 141 | { \ |
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| 142 | g_assert (iface_type == GST_TYPE_MIXER); \ |
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| 143 | \ |
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| 144 | return (this->mixer != NULL); \ |
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| 145 | } \ |
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| 146 | \ |
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| 147 | static const GList* \ |
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| 148 | interface_as_function ## _list_tracks (GstMixer * mixer) \ |
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| 149 | { \ |
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| 150 | Type *this = (Type*) mixer; \ |
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| 151 | \ |
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| 152 | g_return_val_if_fail (this != NULL, NULL); \ |
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| 153 | g_return_val_if_fail (this->mixer != NULL, NULL); \ |
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| 154 | \ |
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| 155 | return gst_roarmixer_list_tracks (this->mixer); \ |
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| 156 | } \ |
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| 157 | \ |
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| 158 | static void \ |
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| 159 | interface_as_function ## _set_volume (GstMixer * mixer, GstMixerTrack * track, \ |
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| 160 | gint * volumes) \ |
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| 161 | { \ |
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| 162 | Type *this = (Type*) mixer; \ |
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| 163 | \ |
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| 164 | g_return_if_fail (this != NULL); \ |
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| 165 | g_return_if_fail (this->mixer != NULL); \ |
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| 166 | \ |
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| 167 | gst_roarmixer_set_volume (this->mixer, track, volumes); \ |
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| 168 | } \ |
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| 169 | \ |
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| 170 | static void \ |
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| 171 | interface_as_function ## _get_volume (GstMixer * mixer, GstMixerTrack * track, \ |
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| 172 | gint * volumes) \ |
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| 173 | { \ |
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| 174 | Type *this = (Type*) mixer; \ |
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| 175 | \ |
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| 176 | g_return_if_fail (this != NULL); \ |
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| 177 | g_return_if_fail (this->mixer != NULL); \ |
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| 178 | \ |
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| 179 | gst_roarmixer_get_volume (this->mixer, track, volumes); \ |
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| 180 | } \ |
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| 181 | \ |
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| 182 | static void \ |
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| 183 | interface_as_function ## _set_record (GstMixer * mixer, GstMixerTrack * track, \ |
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| 184 | gboolean record) \ |
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| 185 | { \ |
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| 186 | Type *this = (Type*) mixer; \ |
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| 187 | \ |
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| 188 | g_return_if_fail (this != NULL); \ |
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| 189 | g_return_if_fail (this->mixer != NULL); \ |
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| 190 | \ |
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| 191 | gst_roarmixer_set_record (this->mixer, track, record); \ |
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| 192 | } \ |
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| 193 | \ |
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| 194 | static void \ |
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| 195 | interface_as_function ## _set_mute (GstMixer * mixer, GstMixerTrack * track, \ |
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| 196 | gboolean mute) \ |
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| 197 | { \ |
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| 198 | Type *this = (Type*) mixer; \ |
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| 199 | \ |
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| 200 | g_return_if_fail (this != NULL); \ |
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| 201 | g_return_if_fail (this->mixer != NULL); \ |
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| 202 | \ |
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| 203 | gst_roarmixer_set_mute (this->mixer, track, mute); \ |
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| 204 | } \ |
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| 205 | \ |
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| 206 | static void \ |
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| 207 | interface_as_function ## _interface_init (GstMixerClass * klass) \ |
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| 208 | { \ |
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| 209 | GST_MIXER_TYPE (klass) = GST_MIXER_HARDWARE; \ |
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| 210 | \ |
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| 211 | /* set up the interface hooks */ \ |
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| 212 | klass->list_tracks = interface_as_function ## _list_tracks; \ |
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| 213 | klass->set_volume = interface_as_function ## _set_volume; \ |
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| 214 | klass->get_volume = interface_as_function ## _get_volume; \ |
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| 215 | klass->set_mute = interface_as_function ## _set_mute; \ |
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| 216 | klass->set_record = interface_as_function ## _set_record; \ |
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| 217 | } |
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| 218 | |
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| 219 | |
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[2069] | 220 | G_END_DECLS |
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| 221 | |
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| 222 | #endif /* __GST_ROARMIXER_H__ */ |
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