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added gvc module
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‎.gitignore‎

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pkg/
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pkg/
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*.pkg.tar*

‎PKGBUILD‎

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@@ -27,7 +27,7 @@ prepare() {
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build() {
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cd $srcdir
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npm install
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arch-meson build --libdir "lib/$_pkgname" -Dbuild_types=true
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arch-meson build --libdir "lib/$pkgname" -Dbuild_types=true
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meson compile -C build
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}
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‎src/subprojects/gvc/README.md‎

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# libgnome-volume-control
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libgnome-volume-control is a copy library that's supposed to be used as
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a git sub-module. If your project uses some of libgnome-volume-control's
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strings in a user-facing manner, don't forget to add those files to your
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POTFILES.in for translation.
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## Projects using libgnome-volume-control
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- [gnome-shell](https://gitlab.gnome.org/GNOME/gnome-shell)
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- [gnome-settings-daemon](https://gitlab.gnome.org/GNOME/gnome-settings-daemon)
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- [gnome-control-center](https://gitlab.gnome.org/GNOME/gnome-control-center)

‎src/subprojects/gvc/gvc-channel-map-private.h‎

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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
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*
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* Copyright (C) 2008 Red Hat, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#ifndef __GVC_CHANNEL_MAP_PRIVATE_H
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#define __GVC_CHANNEL_MAP_PRIVATE_H
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#include <glib-object.h>
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#include <pulse/pulseaudio.h>
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G_BEGIN_DECLS
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GvcChannelMap * gvc_channel_map_new_from_pa_channel_map (const pa_channel_map *map);
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const pa_channel_map * gvc_channel_map_get_pa_channel_map (const GvcChannelMap *map);
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void gvc_channel_map_volume_changed (GvcChannelMap *map,
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const pa_cvolume *cv,
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gboolean set);
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const pa_cvolume * gvc_channel_map_get_cvolume (const GvcChannelMap *map);
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G_END_DECLS
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#endif /* __GVC_CHANNEL_MAP_PRIVATE_H */

‎src/subprojects/gvc/gvc-channel-map.c‎

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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
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*
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* Copyright (C) 2008 William Jon McCann
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <glib.h>
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#include <glib/gi18n-lib.h>
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#include <pulse/pulseaudio.h>
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#include "gvc-channel-map.h"
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#include "gvc-channel-map-private.h"
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struct GvcChannelMapPrivate
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{
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pa_channel_map pa_map;
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gboolean pa_volume_is_set;
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pa_cvolume pa_volume;
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gdouble extern_volume[NUM_TYPES]; /* volume, balance, fade, lfe */
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gboolean can_balance;
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gboolean can_fade;
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};
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enum {
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VOLUME_CHANGED,
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LAST_SIGNAL
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};
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static guint signals [LAST_SIGNAL] = { 0, };
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static void gvc_channel_map_finalize (GObject *object);
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G_DEFINE_TYPE_WITH_PRIVATE (GvcChannelMap, gvc_channel_map, G_TYPE_OBJECT)
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guint
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gvc_channel_map_get_num_channels (const GvcChannelMap *map)
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{
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g_return_val_if_fail (GVC_IS_CHANNEL_MAP (map), 0);
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if (!pa_channel_map_valid(&map->priv->pa_map))
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return 0;
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return map->priv->pa_map.channels;
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}
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const gdouble *
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gvc_channel_map_get_volume (GvcChannelMap *map)
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{
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g_return_val_if_fail (GVC_IS_CHANNEL_MAP (map), NULL);
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if (!pa_channel_map_valid(&map->priv->pa_map))
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return NULL;
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map->priv->extern_volume[VOLUME] = (gdouble) pa_cvolume_max (&map->priv->pa_volume);
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if (gvc_channel_map_can_balance (map))
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map->priv->extern_volume[BALANCE] = (gdouble) pa_cvolume_get_balance (&map->priv->pa_volume, &map->priv->pa_map);
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else
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map->priv->extern_volume[BALANCE] = 0;
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if (gvc_channel_map_can_fade (map))
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map->priv->extern_volume[FADE] = (gdouble) pa_cvolume_get_fade (&map->priv->pa_volume, &map->priv->pa_map);
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else
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map->priv->extern_volume[FADE] = 0;
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if (gvc_channel_map_has_lfe (map))
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map->priv->extern_volume[LFE] = (gdouble) pa_cvolume_get_position (&map->priv->pa_volume, &map->priv->pa_map, PA_CHANNEL_POSITION_LFE);
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else
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map->priv->extern_volume[LFE] = 0;
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return map->priv->extern_volume;
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}
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gboolean
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gvc_channel_map_can_balance (const GvcChannelMap *map)
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{
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g_return_val_if_fail (GVC_IS_CHANNEL_MAP (map), FALSE);
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return map->priv->can_balance;
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}
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gboolean
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gvc_channel_map_can_fade (const GvcChannelMap *map)
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{
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g_return_val_if_fail (GVC_IS_CHANNEL_MAP (map), FALSE);
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return map->priv->can_fade;
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}
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const char *
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gvc_channel_map_get_mapping (const GvcChannelMap *map)
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{
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g_return_val_if_fail (GVC_IS_CHANNEL_MAP (map), NULL);
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if (!pa_channel_map_valid(&map->priv->pa_map))
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return NULL;
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return pa_channel_map_to_pretty_name (&map->priv->pa_map);
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}
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/**
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* gvc_channel_map_has_position: (skip)
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* @map:
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* @position:
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*
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* Returns:
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*/
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gboolean
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gvc_channel_map_has_position (const GvcChannelMap *map,
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pa_channel_position_t position)
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{
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g_return_val_if_fail (GVC_IS_CHANNEL_MAP (map), FALSE);
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return pa_channel_map_has_position (&(map->priv->pa_map), position);
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}
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const pa_channel_map *
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gvc_channel_map_get_pa_channel_map (const GvcChannelMap *map)
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{
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g_return_val_if_fail (GVC_IS_CHANNEL_MAP (map), NULL);
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if (!pa_channel_map_valid(&map->priv->pa_map))
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return NULL;
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return &map->priv->pa_map;
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}
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const pa_cvolume *
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gvc_channel_map_get_cvolume (const GvcChannelMap *map)
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{
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g_return_val_if_fail (GVC_IS_CHANNEL_MAP (map), NULL);
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if (!pa_channel_map_valid(&map->priv->pa_map))
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return NULL;
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return &map->priv->pa_volume;
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}
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static void
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gvc_channel_map_class_init (GvcChannelMapClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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gobject_class->finalize = gvc_channel_map_finalize;
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signals [VOLUME_CHANGED] =
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g_signal_new ("volume-changed",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST,
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G_STRUCT_OFFSET (GvcChannelMapClass, volume_changed),
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NULL, NULL,
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g_cclosure_marshal_VOID__BOOLEAN,
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G_TYPE_NONE, 1, G_TYPE_BOOLEAN);
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}
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void
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gvc_channel_map_volume_changed (GvcChannelMap *map,
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const pa_cvolume *cv,
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gboolean set)
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{
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g_return_if_fail (GVC_IS_CHANNEL_MAP (map));
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g_return_if_fail (cv != NULL);
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g_return_if_fail (pa_cvolume_compatible_with_channel_map(cv, &map->priv->pa_map));
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if (pa_cvolume_equal(cv, &map->priv->pa_volume))
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return;
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map->priv->pa_volume = *cv;
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if (map->priv->pa_volume_is_set == FALSE) {
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map->priv->pa_volume_is_set = TRUE;
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return;
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}
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g_signal_emit (map, signals[VOLUME_CHANGED], 0, set);
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}
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static void
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gvc_channel_map_init (GvcChannelMap *map)
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{
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map->priv = gvc_channel_map_get_instance_private (map);
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map->priv->pa_volume_is_set = FALSE;
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}
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static void
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gvc_channel_map_finalize (GObject *object)
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{
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GvcChannelMap *channel_map;
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g_return_if_fail (object != NULL);
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g_return_if_fail (GVC_IS_CHANNEL_MAP (object));
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channel_map = GVC_CHANNEL_MAP (object);
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g_return_if_fail (channel_map->priv != NULL);
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G_OBJECT_CLASS (gvc_channel_map_parent_class)->finalize (object);
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}
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GvcChannelMap *
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gvc_channel_map_new (void)
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{
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GObject *map;
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map = g_object_new (GVC_TYPE_CHANNEL_MAP, NULL);
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return GVC_CHANNEL_MAP (map);
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}
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static void
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set_from_pa_map (GvcChannelMap *map,
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const pa_channel_map *pa_map)
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{
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g_assert (pa_channel_map_valid(pa_map));
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map->priv->can_balance = pa_channel_map_can_balance (pa_map);
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map->priv->can_fade = pa_channel_map_can_fade (pa_map);
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map->priv->pa_map = *pa_map;
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pa_cvolume_set(&map->priv->pa_volume, pa_map->channels, PA_VOLUME_NORM);
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}
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GvcChannelMap *
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gvc_channel_map_new_from_pa_channel_map (const pa_channel_map *pa_map)
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{
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GObject *map;
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map = g_object_new (GVC_TYPE_CHANNEL_MAP, NULL);
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set_from_pa_map (GVC_CHANNEL_MAP (map), pa_map);
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return GVC_CHANNEL_MAP (map);
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}

‎src/subprojects/gvc/gvc-channel-map.h‎

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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
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*
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* Copyright (C) 2008 Red Hat, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
11+
* but WITHOUT ANY WARRANTY; without even the implied warranty of
12+
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13+
* GNU General Public License for more details.
14+
*
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* You should have received a copy of the GNU General Public License
16+
* along with this program; if not, write to the Free Software
17+
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#ifndef __GVC_CHANNEL_MAP_H
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#define __GVC_CHANNEL_MAP_H
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#include <glib-object.h>
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#include <gvc-pulseaudio-fake.h>
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G_BEGIN_DECLS
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#define GVC_TYPE_CHANNEL_MAP (gvc_channel_map_get_type ())
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#define GVC_CHANNEL_MAP(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GVC_TYPE_CHANNEL_MAP, GvcChannelMap))
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#define GVC_CHANNEL_MAP_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), GVC_TYPE_CHANNEL_MAP, GvcChannelMapClass))
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#define GVC_IS_CHANNEL_MAP(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GVC_TYPE_CHANNEL_MAP))
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#define GVC_IS_CHANNEL_MAP_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), GVC_TYPE_CHANNEL_MAP))
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#define GVC_CHANNEL_MAP_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GVC_TYPE_CHANNEL_MAP, GvcChannelMapClass))
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typedef struct GvcChannelMapPrivate GvcChannelMapPrivate;
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typedef struct
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{
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GObject parent;
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GvcChannelMapPrivate *priv;
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} GvcChannelMap;
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typedef struct
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{
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GObjectClass parent_class;
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void (*volume_changed) (GvcChannelMap *channel_map, gboolean set);
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} GvcChannelMapClass;
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enum {
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VOLUME,
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BALANCE,
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FADE,
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LFE,
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NUM_TYPES
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};
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GType gvc_channel_map_get_type (void);
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GvcChannelMap * gvc_channel_map_new (void);
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guint gvc_channel_map_get_num_channels (const GvcChannelMap *map);
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const gdouble * gvc_channel_map_get_volume (GvcChannelMap *map);
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gboolean gvc_channel_map_can_balance (const GvcChannelMap *map);
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gboolean gvc_channel_map_can_fade (const GvcChannelMap *map);
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gboolean gvc_channel_map_has_position (const GvcChannelMap *map,
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pa_channel_position_t position);
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#define gvc_channel_map_has_lfe(x) gvc_channel_map_has_position (x, PA_CHANNEL_POSITION_LFE)
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const char * gvc_channel_map_get_mapping (const GvcChannelMap *map);
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G_END_DECLS
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#endif /* __GVC_CHANNEL_MAP_H */

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