Adding upstream version 1:3.38.4.upstream/1%3.38.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 228 insertions, 0 deletions

diff --git a/subprojects/gvc/gvc-mixer-event-role.c b/subprojects/gvc/gvc-mixer-event-role.c
new file mode 100644
index 0000000..9f5e26a
--- /dev/null
+++ b/subprojects/gvc/gvc-mixer-event-role.c
@@ -0,0 +1,228 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2008 William Jon McCann
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#include <glib.h>
+#include <glib/gi18n-lib.h>
+
+#include <pulse/pulseaudio.h>
+#include <pulse/ext-stream-restore.h>
+
+#include "gvc-mixer-event-role.h"
+#include "gvc-mixer-stream-private.h"
+#include "gvc-channel-map-private.h"
+
+struct GvcMixerEventRolePrivate
+{
+        char          *device;
+};
+
+enum
+{
+        PROP_0,
+        PROP_DEVICE
+};
+
+static void     gvc_mixer_event_role_finalize   (GObject            *object);
+
+G_DEFINE_TYPE_WITH_PRIVATE (GvcMixerEventRole, gvc_mixer_event_role, GVC_TYPE_MIXER_STREAM)
+
+static gboolean
+update_settings (GvcMixerEventRole *role,
+                 gboolean           is_muted,
+                 gpointer          *op)
+{
+        pa_operation              *o;
+        const GvcChannelMap       *map;
+        pa_context                *context;
+        pa_ext_stream_restore_info info;
+
+        map = gvc_mixer_stream_get_channel_map (GVC_MIXER_STREAM(role));
+
+        info.volume = *gvc_channel_map_get_cvolume(map);
+        info.name = "sink-input-by-media-role:event";
+        info.channel_map = *gvc_channel_map_get_pa_channel_map(map);
+        info.device = role->priv->device;
+        info.mute = is_muted;
+
+        context = gvc_mixer_stream_get_pa_context (GVC_MIXER_STREAM (role));
+
+        o = pa_ext_stream_restore_write (context,
+                                         PA_UPDATE_REPLACE,
+                                         &info,
+                                         1,
+                                         TRUE,
+                                         NULL,
+                                         NULL);
+
+        if (o == NULL) {
+                g_warning ("pa_ext_stream_restore_write() failed");
+                return FALSE;
+        }
+
+        if (op != NULL)
+                *op = o;
+
+        return TRUE;
+}
+
+static gboolean
+gvc_mixer_event_role_push_volume (GvcMixerStream *stream, gpointer *op)
+{
+        return update_settings (GVC_MIXER_EVENT_ROLE (stream),
+                                gvc_mixer_stream_get_is_muted (stream), op);
+}
+
+static gboolean
+gvc_mixer_event_role_change_is_muted (GvcMixerStream *stream,
+                                      gboolean        is_muted)
+{
+        /* Apply change straight away so that we don't get a race with
+         * gvc_mixer_event_role_push_volume().
+         * See https://bugs.freedesktop.org/show_bug.cgi?id=51413 */
+        gvc_mixer_stream_set_is_muted (stream, is_muted);
+        return update_settings (GVC_MIXER_EVENT_ROLE (stream),
+                                is_muted, NULL);
+}
+
+static gboolean
+gvc_mixer_event_role_set_device (GvcMixerEventRole *role,
+                                 const char        *device)
+{
+        g_return_val_if_fail (GVC_IS_MIXER_EVENT_ROLE (role), FALSE);
+
+        g_free (role->priv->device);
+        role->priv->device = g_strdup (device);
+        g_object_notify (G_OBJECT (role), "device");
+
+        return TRUE;
+}
+
+static void
+gvc_mixer_event_role_set_property (GObject       *object,
+                                   guint          prop_id,
+                                   const GValue  *value,
+                                   GParamSpec    *pspec)
+{
+        GvcMixerEventRole *self = GVC_MIXER_EVENT_ROLE (object);
+
+        switch (prop_id) {
+        case PROP_DEVICE:
+                gvc_mixer_event_role_set_device (self, g_value_get_string (value));
+                break;
+        default:
+                G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+                break;
+        }
+}
+
+static void
+gvc_mixer_event_role_get_property (GObject     *object,
+                                   guint        prop_id,
+                                   GValue      *value,
+                                   GParamSpec  *pspec)
+{
+        GvcMixerEventRole *self = GVC_MIXER_EVENT_ROLE (object);
+
+        switch (prop_id) {
+        case PROP_DEVICE:
+                g_value_set_string (value, self->priv->device);
+                break;
+        default:
+                G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+                break;
+        }
+}
+
+static void
+gvc_mixer_event_role_class_init (GvcMixerEventRoleClass *klass)
+{
+        GObjectClass        *object_class = G_OBJECT_CLASS (klass);
+        GvcMixerStreamClass *stream_class = GVC_MIXER_STREAM_CLASS (klass);
+
+        object_class->finalize = gvc_mixer_event_role_finalize;
+        object_class->set_property = gvc_mixer_event_role_set_property;
+        object_class->get_property = gvc_mixer_event_role_get_property;
+
+        stream_class->push_volume = gvc_mixer_event_role_push_volume;
+        stream_class->change_is_muted = gvc_mixer_event_role_change_is_muted;
+
+        g_object_class_install_property (object_class,
+                                         PROP_DEVICE,
+                                         g_param_spec_string ("device",
+                                                              "Device",
+                                                              "Device",
+                                                              NULL,
+                                                              G_PARAM_READWRITE|G_PARAM_CONSTRUCT));
+}
+
+static void
+gvc_mixer_event_role_init (GvcMixerEventRole *event_role)
+{
+        event_role->priv = gvc_mixer_event_role_get_instance_private (event_role);
+
+}
+
+static void
+gvc_mixer_event_role_finalize (GObject *object)
+{
+        GvcMixerEventRole *mixer_event_role;
+
+        g_return_if_fail (object != NULL);
+        g_return_if_fail (GVC_IS_MIXER_EVENT_ROLE (object));
+
+        mixer_event_role = GVC_MIXER_EVENT_ROLE (object);
+
+        g_return_if_fail (mixer_event_role->priv != NULL);
+
+        g_free (mixer_event_role->priv->device);
+
+        G_OBJECT_CLASS (gvc_mixer_event_role_parent_class)->finalize (object);
+}
+
+/**
+ * gvc_mixer_event_role_new: (skip)
+ * @context:
+ * @device:
+ * @channel_map:
+ *
+ * Returns:
+ */
+GvcMixerStream *
+gvc_mixer_event_role_new (pa_context *context,
+                          const char *device,
+                          GvcChannelMap *channel_map)
+{
+        GObject *object;
+
+        object = g_object_new (GVC_TYPE_MIXER_EVENT_ROLE,
+                               "pa-context", context,
+                               "index", 0,
+                               "device", device,
+                               "channel-map", channel_map,
+                               NULL);
+
+        return GVC_MIXER_STREAM (object);
+}