From 85eedd49d6681a0921803a1b375faa140312715e 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] rawmidi: stream_pair: add object to represent a pair of data
 stream

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
---
 src/rawmidi/alsarawmidi.map   |  3 +++
 src/rawmidi/meson.build       |  2 ++
 src/rawmidi/stream-pair.c     | 24 +++++++++++++++++
 src/rawmidi/stream-pair.h     | 49 +++++++++++++++++++++++++++++++++++
 tests/alsarawmidi-stream-pair | 20 ++++++++++++++
 tests/meson.build             |  1 +
 6 files changed, 99 insertions(+)
 create mode 100644 src/rawmidi/stream-pair.c
 create mode 100644 src/rawmidi/stream-pair.h
 create mode 100644 tests/alsarawmidi-stream-pair

diff --git a/src/rawmidi/alsarawmidi.map b/src/rawmidi/alsarawmidi.map
index 9a384c3..1c68baa 100644
--- a/src/rawmidi/alsarawmidi.map
+++ b/src/rawmidi/alsarawmidi.map
@@ -10,6 +10,9 @@ ALSA_GOBJECT_0_0_0 {
     "alsarawmidi_get_substream_info";
 
     "alsarawmidi_substream_info_get_type";
+
+    "alsarawmidi_stream_pair_get_type";
+    "alsarawmidi_stream_pair_new";
   local:
     *;
 };
diff --git a/src/rawmidi/meson.build b/src/rawmidi/meson.build
index e83b456..b686511 100644
--- a/src/rawmidi/meson.build
+++ b/src/rawmidi/meson.build
@@ -11,11 +11,13 @@ has_marshaller = false
 sources = files(
   'query.c',
   'substream-info.c',
+  'stream-pair.c',
 )
 
 headers = files(
   'query.h',
   'substream-info.h',
+  'stream-pair.h',
 )
 
 privates = files(
diff --git a/src/rawmidi/stream-pair.c b/src/rawmidi/stream-pair.c
new file mode 100644
index 0000000..4ce38ff
--- /dev/null
+++ b/src/rawmidi/stream-pair.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: LGPL-3.0-or-later
+#include "stream-pair.h"
+
+G_DEFINE_TYPE(ALSARawmidiStreamPair, alsarawmidi_stream_pair, G_TYPE_OBJECT)
+
+static void alsarawmidi_stream_pair_class_init(ALSARawmidiStreamPairClass *klass)
+{
+    return;
+}
+
+static void alsarawmidi_stream_pair_init(ALSARawmidiStreamPair *self)
+{
+    return;
+}
+
+/**
+ * alsarawmidi_stream_pair_new:
+ *
+ * Allocate and return an instance of ALSARawmidiStreamPair class.
+ */
+ALSARawmidiStreamPair *alsarawmidi_stream_pair_new()
+{
+    return g_object_new(ALSARAWMIDI_TYPE_STREAM_PAIR, NULL);
+}
diff --git a/src/rawmidi/stream-pair.h b/src/rawmidi/stream-pair.h
new file mode 100644
index 0000000..248d62c
--- /dev/null
+++ b/src/rawmidi/stream-pair.h
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: LGPL-3.0-or-later
+#ifndef __ALSA_GOBJECT_ALSARAWMIDI_STREAM_PAIR__H__
+#define __ALSA_GOBJECT_ALSARAWMIDI_STREAM_PAIR__H__
+
+#include <glib.h>
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define ALSARAWMIDI_TYPE_STREAM_PAIR    (alsarawmidi_stream_pair_get_type())
+
+#define ALSARAWMIDI_STREAM_PAIR(obj)                            \
+    (G_TYPE_CHECK_INSTANCE_CAST((obj),                          \
+                                ALSARAWMIDI_TYPE_STREAM_PAIR,   \
+                                ALSARawmidiStreamPair))
+#define ALSARAWMIDI_IS_STREAM_PAIR(obj)                         \
+    (G_TYPE_CHECK_INSTANCE_TYPE((obj),                          \
+                                ALSARAWMIDI_TYPE_STREAM_PAIR))
+
+#define ALSARAWMIDI_STREAM_PAIR_CLASS(klass)                    \
+    (G_TYPE_CHECK_CLASS_CAST((klass),                           \
+                             ALSARAWMIDI_TYPE_STREAM_PAIR,      \
+                             ALSARawmidiStreamPairClass))
+#define ALSARAWMIDI_IS_STREAM_PAIR_CLASS(klass)                 \
+    (G_TYPE_CHECK_CLASS_TYPE((klass),                           \
+                             ALSARAWMIDI_TYPE_STREAM_PAIR))
+#define ALSARAWMIDI_STREAM_PAIR_GET_CLASS(obj)                  \
+    (G_TYPE_INSTANCE_GET_CLASS((obj),                           \
+                               ALSARAWMIDI_TYPE_STREAM_PAIR,    \
+                               ALSARawmidiStreamPairClass))
+
+typedef struct _ALSARawmidiStreamPair           ALSARawmidiStreamPair;
+typedef struct _ALSARawmidiStreamPairClass      ALSARawmidiStreamPairClass;
+
+struct _ALSARawmidiStreamPair {
+    GObject parent_instance;
+};
+
+struct _ALSARawmidiStreamPairClass {
+    GObjectClass parent_class;
+};
+
+GType alsarawmidi_stream_pair_get_type(void) G_GNUC_CONST;
+
+ALSARawmidiStreamPair *alsarawmidi_stream_pair_new();
+
+G_END_DECLS
+
+#endif
diff --git a/tests/alsarawmidi-stream-pair b/tests/alsarawmidi-stream-pair
new file mode 100644
index 0000000..cdf1983
--- /dev/null
+++ b/tests/alsarawmidi-stream-pair
@@ -0,0 +1,20 @@
+#!/usr/bin/env python3
+
+from sys import exit
+from errno import ENXIO
+
+from helper import test
+
+import gi
+gi.require_version('ALSARawmidi', '0.0')
+from gi.repository import ALSARawmidi
+
+target = ALSARawmidi.StreamPair()
+props = ()
+methods = (
+    'new',
+)
+signals = ()
+
+if not test(target, props, methods, signals):
+    exit(ENXIO)
diff --git a/tests/meson.build b/tests/meson.build
index 8ca61e2..38d192b 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -52,6 +52,7 @@ tests = {
   'rawmidi': [
     'alsarawmidi-enums',
     'alsarawmidi-substream-info',
+    'alsarawmidi-stream-pair',
   ],
 }
 
-- 
2.47.3