From 67f3d50e016697bcb86223d7543a8d38d11c06d7 Mon Sep 17 00:00:00 2001
From: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Date: Mon, 8 Jun 2020 23:10:10 +0900
Subject: [PATCH] seq: event_cntr: add accesor APIs for address data of event
 pointed by index

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
---
 src/seq/alsaseq.map  |  2 ++
 src/seq/event-cntr.c | 62 ++++++++++++++++++++++++++++++++++++++++++++
 src/seq/event-cntr.h |  6 +++++
 3 files changed, 70 insertions(+)

diff --git a/src/seq/alsaseq.map b/src/seq/alsaseq.map
index 8e6dbaa..7d23f89 100644
--- a/src/seq/alsaseq.map
+++ b/src/seq/alsaseq.map
@@ -208,6 +208,8 @@ ALSA_GOBJECT_0_0_0 {
     "alsaseq_event_cntr_set_queue_data";
     "alsaseq_event_cntr_get_tstamp_data";
     "alsaseq_event_cntr_set_tstamp_data";
+    "alsaseq_event_cntr_get_addr_data";
+    "alsaseq_event_cntr_set_addr_data";
   local:
     *;
 };
diff --git a/src/seq/event-cntr.c b/src/seq/event-cntr.c
index b455fc0..d9fe2e3 100644
--- a/src/seq/event-cntr.c
+++ b/src/seq/event-cntr.c
@@ -1320,3 +1320,65 @@ void alsaseq_event_cntr_set_tstamp_data(ALSASeqEventCntr *self, gsize index,
 
     ev->data.time = *(union snd_seq_timestamp *)data;
 }
+
+/**
+ * alsaseq_event_cntr_get_addr_data:
+ * @self: A #ALSASeqEventCntr.
+ * @index: The index of event to set.
+ * @data: (out)(transfer none): The address data of event.
+ * @error: A #GError.
+ *
+ * Get the address data of event pointed by the index.
+ */
+void alsaseq_event_cntr_get_addr_data(ALSASeqEventCntr *self, gsize index,
+                                    const ALSASeqAddr **data, GError **error)
+{
+    ALSASeqEventCntrPrivate *priv;
+    struct event_iterator iter;
+    struct snd_seq_event *ev;
+
+    g_return_if_fail(ALSASEQ_IS_EVENT_CNTR(self));
+    priv = alsaseq_event_cntr_get_instance_private(self);
+
+    event_iterator_init(&iter, priv->buf, priv->length, priv->allocated);
+    ev = event_iterator_find(&iter, index);
+    if (ev == NULL) {
+        generate_error(error, EINVAL);
+        return;
+    }
+
+    *data = (const ALSASeqAddr *)&ev->data.time;
+}
+
+/**
+ * alsaseq_event_cntr_set_addr_data:
+ * @self: A #ALSASeqEventCntr.
+ * @index: The index of event to set.
+ * @data: The address data of event.
+ * @error: A #GError.
+ *
+ * Copy the address data to the event pointed by the index.
+ */
+void alsaseq_event_cntr_set_addr_data(ALSASeqEventCntr *self, gsize index,
+                                        const ALSASeqAddr *data, GError **error)
+{
+    ALSASeqEventCntrPrivate *priv;
+    struct event_iterator iter;
+    struct snd_seq_event *ev;
+
+    g_return_if_fail(ALSASEQ_IS_EVENT_CNTR(self));
+    priv = alsaseq_event_cntr_get_instance_private(self);
+
+    event_iterator_init(&iter, priv->buf, priv->length, priv->allocated);
+    ev = event_iterator_find(&iter, index);
+    if (ev == NULL) {
+        generate_error(error, EINVAL);
+        return;
+    }
+
+    ensure_fixed_length_event(priv, ev, error);
+    if (*error != NULL)
+        return;
+
+    ev->data.addr = *(struct snd_seq_addr *)data;
+}
diff --git a/src/seq/event-cntr.h b/src/seq/event-cntr.h
index bf61b0b..defe12d 100644
--- a/src/seq/event-cntr.h
+++ b/src/seq/event-cntr.h
@@ -11,6 +11,7 @@
 #include <seq/event-data-note.h>
 #include <seq/event-data-ctl.h>
 #include <seq/event-data-queue.h>
+#include <seq/event-data-connect.h>
 
 G_BEGIN_DECLS
 
@@ -152,6 +153,11 @@ void alsaseq_event_cntr_get_tstamp_data(ALSASeqEventCntr *self, gsize index,
 void alsaseq_event_cntr_set_tstamp_data(ALSASeqEventCntr *self, gsize index,
                                     const ALSASeqTstamp *data, GError **error);
 
+void alsaseq_event_cntr_get_addr_data(ALSASeqEventCntr *self, gsize index,
+                                    const ALSASeqAddr **data, GError **error);
+void alsaseq_event_cntr_set_addr_data(ALSASeqEventCntr *self, gsize index,
+                                    const ALSASeqAddr *data, GError **error);
+
 G_END_DECLS
 
 #endif
-- 
2.47.3