From: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Date: Wed, 20 Nov 2019 10:17:28 +0000 (+0900)
Subject: seq: user_client: add APIs to register usage of queue
X-Git-Tag: v0.1.0~222
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=4198dc4f7854165e3764c962ca1b615e3cb42f9d;p=alsa-gobject.git

seq: user_client: add APIs to register usage of queue

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
---

diff --git a/src/seq/alsaseq.map b/src/seq/alsaseq.map
index 588fcee..ade212c 100644
--- a/src/seq/alsaseq.map
+++ b/src/seq/alsaseq.map
@@ -55,6 +55,8 @@ ALSA_GOBJECT_0_0_0 {
     "alsaseq_user_client_create_queue";
     "alsaseq_user_client_delete_queue";
     "alsaseq_user_client_update_queue";
+    "alsaseq_user_client_get_queue_usage";
+    "alsaseq_user_client_set_queue_usage";
 
     "alsaseq_addr_get_type";
     "alsaseq_addr_new";
diff --git a/src/seq/user-client.c b/src/seq/user-client.c
index ebed42f..bfcc030 100644
--- a/src/seq/user-client.c
+++ b/src/seq/user-client.c
@@ -661,3 +661,60 @@ void alsaseq_user_client_update_queue(ALSASeqUserClient *self,
     if (ioctl(priv->fd, SNDRV_SEQ_IOCTL_CREATE_QUEUE, info) < 0)
         generate_error(error, errno);
 }
+
+/**
+ * alsaseq_user_client_get_queue_usage:
+ * @self: A #ALSASeqUserClient.
+ * @queue_id: The numerical ID of queue, except for entries in
+ *            ALSASeqSpecificQueueId.
+ * @use: (out): Whether the client uses the queue or not.
+ * @error: A #GError.
+ *
+ * Get usage of the queue by the client.
+ */
+void alsaseq_user_client_get_queue_usage(ALSASeqUserClient *self,
+                                         guint queue_id, gboolean *use,
+                                         GError **error)
+{
+    ALSASeqUserClientPrivate *priv;
+    struct snd_seq_queue_client data = {0};
+
+    g_return_if_fail(ALSASEQ_IS_USER_CLIENT(self));
+    priv = alsaseq_user_client_get_instance_private(self);
+
+    data.queue = (int)queue_id;
+    if (ioctl(priv->fd, SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT, &data) < 0) {
+        generate_error(error, errno);
+        return;
+    }
+
+    *use = data.used;
+}
+
+/**
+ * alsaseq_user_client_set_queue_usage:
+ * @self: A #ALSASeqUserClient.
+ * @queue_id: The numerical ID of queue, except for entries in
+ *            ALSASeqSpecificQueueId.
+ * @use: Whether to use the queue or not.
+ * @error: A #GError.
+ *
+ * Start the queue to use or not.
+ */
+void alsaseq_user_client_set_queue_usage(ALSASeqUserClient *self,
+                                         guint queue_id, gboolean use,
+                                         GError **error)
+{
+    ALSASeqUserClientPrivate *priv;
+    struct snd_seq_queue_client data = {0};
+
+    g_return_if_fail(ALSASEQ_IS_USER_CLIENT(self));
+    priv = alsaseq_user_client_get_instance_private(self);
+
+    data.queue = (int)queue_id;
+    data.client = priv->client_id;
+    data.used = use;
+
+    if (ioctl(priv->fd, SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT, &data) < 0)
+        generate_error(error, errno);
+}
diff --git a/src/seq/user-client.h b/src/seq/user-client.h
index 1bff624..7d2b271 100644
--- a/src/seq/user-client.h
+++ b/src/seq/user-client.h
@@ -113,6 +113,12 @@ void alsaseq_user_client_delete_queue(ALSASeqUserClient *self,
 void alsaseq_user_client_update_queue(ALSASeqUserClient *self,
                                 ALSASeqQueueInfo *queue_info, GError **error);
 
+void alsaseq_user_client_get_queue_usage(ALSASeqUserClient *self,
+                                         guint queue_id, gboolean *use,
+                                         GError **error);
+void alsaseq_user_client_set_queue_usage(ALSASeqUserClient *self,
+                                         guint queue_id, gboolean use,
+                                         GError **error);
 G_END_DECLS
 
 #endif
diff --git a/tests/alsaseq-user-client b/tests/alsaseq-user-client
index 624ad8b..01e4ce4 100644
--- a/tests/alsaseq-user-client
+++ b/tests/alsaseq-user-client
@@ -29,6 +29,8 @@ methods = (
     'create_queue',
     'delete_queue',
     'update_queue',
+    'get_queue_usage',
+    'set_queue_usage',
 )
 signals = ()