From 02e3869a76ec9ef5a1f178bb9f152a4c351d4141 Mon Sep 17 00:00:00 2001
From: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Date: Mon, 18 Nov 2019 13:22:44 +0900
Subject: [PATCH] ctl: elem_value: add APIs to set/get value of integer64 type

---
 src/ctl/alsactl.map      |  2 ++
 src/ctl/elem-value.c     | 49 ++++++++++++++++++++++++++++++++++++++++
 src/ctl/elem-value.h     |  5 ++++
 tests/alsactl-elem-value |  2 ++
 4 files changed, 58 insertions(+)

diff --git a/src/ctl/alsactl.map b/src/ctl/alsactl.map
index 366288f..b88de55 100644
--- a/src/ctl/alsactl.map
+++ b/src/ctl/alsactl.map
@@ -73,6 +73,8 @@ ALSA_GOBJECT_0_0_0 {
     "alsactl_elem_value_get_bytes";
     "alsactl_elem_value_set_iec60958";
     "alsactl_elem_value_get_iec60958";
+    "alsactl_elem_value_set_int64";
+    "alsactl_elem_value_get_int64";
   local:
     *;
 };
diff --git a/src/ctl/elem-value.c b/src/ctl/elem-value.c
index ae106d9..5c3b638 100644
--- a/src/ctl/elem-value.c
+++ b/src/ctl/elem-value.c
@@ -349,3 +349,52 @@ void alsactl_elem_value_get_iec60958(ALSACtlElemValue *self,
             (*user_data)[i] = value->value.iec958.subcode[i];
     }
 }
+
+/**
+ * alsactl_elem_value_set_int64:
+ * @self: A #ALSACtlElemValue.
+ * @values: (array length=value_count): The array for values of integer64 type.
+ * @value_count: The number of values up to 64.
+ *
+ * Copy the array for values of integer64 type into internal storage.
+ */
+void alsactl_elem_value_set_int64(ALSACtlElemValue *self, const gint64 *values,
+                                  gsize value_count)
+{
+    ALSACtlElemValuePrivate *priv;
+    struct snd_ctl_elem_value *value;
+    int i;
+
+    g_return_if_fail(ALSACTL_IS_ELEM_VALUE(self));
+    priv = alsactl_elem_value_get_instance_private(self);
+    value = &priv->value;
+
+    value_count = MIN(value_count, G_N_ELEMENTS(value->value.integer64.value));
+    for (i = 0; i < value_count; ++i)
+        value->value.integer64.value[i] = (long long)values[i];
+}
+
+/**
+ * alsactl_elem_value_get_int64:
+ * @self: A #ALSACtlElemValue.
+ * @values: (array length=value_count)(inout): The array for values of integer64
+ *          type.
+ * @value_count: The number of values up to 64.
+ *
+ * Copy the array for values of integer64 type from internal storage.
+ */
+void alsactl_elem_value_get_int64(ALSACtlElemValue *self,
+                                  gint64 *const *values, gsize *value_count)
+{
+    ALSACtlElemValuePrivate *priv;
+    struct snd_ctl_elem_value *value;
+    int i;
+
+    g_return_if_fail(ALSACTL_IS_ELEM_VALUE(self));
+    priv = alsactl_elem_value_get_instance_private(self);
+    value = &priv->value;
+
+    *value_count = MIN(*value_count, G_N_ELEMENTS(value->value.integer64.value));
+    for (i = 0; i < *value_count; ++i)
+        (*values)[i] = (gint64)value->value.integer64.value[i];
+}
diff --git a/src/ctl/elem-value.h b/src/ctl/elem-value.h
index bbccb2c..fcbd30a 100644
--- a/src/ctl/elem-value.h
+++ b/src/ctl/elem-value.h
@@ -76,6 +76,11 @@ void alsactl_elem_value_get_iec60958(ALSACtlElemValue *self,
                 guint8 *const *channel_status, gsize *channel_status_length,
                 guint8 *const *user_data, gsize *user_data_length);
 
+void alsactl_elem_value_set_int64(ALSACtlElemValue *self, const gint64 *values,
+                                  gsize value_count);
+void alsactl_elem_value_get_int64(ALSACtlElemValue *self,
+                                  gint64 *const *values, gsize *value_count);
+
 G_END_DECLS
 
 #endif
diff --git a/tests/alsactl-elem-value b/tests/alsactl-elem-value
index 9a59990..62d071e 100644
--- a/tests/alsactl-elem-value
+++ b/tests/alsactl-elem-value
@@ -25,6 +25,8 @@ methods = (
     'get_bytes',
     'set_iec60958',
     'get_iec60958',
+    'set_int64',
+    'get_int64',
 )
 signals = ()
 
-- 
2.47.3