linuxOS_AP05/buildroot/package/bluez5_utils/0007-profiles-audio-add-GetPlayStatus-and-PosChange-api.patch

From 893afa95ca5bdc462b5ef44dbc928634f262b155 Mon Sep 17 00:00:00 2001
From: ctf <ctf@rock-chips.com>
Date: Mon, 29 Jul 2019 03:47:58 +0000
Subject: [PATCH 07/19] profiles: audio: add GetPlayStatus and PosChange api

Signed-off-by: ctf <ctf@rock-chips.com>
---
 profiles/audio/avrcp.c  | 18 ++++++++++++++++
 profiles/audio/player.c | 47 +++++++++++++++++++++++++++++++++++++++++
 profiles/audio/player.h |  2 ++
 3 files changed, 67 insertions(+)

diff --git a/profiles/audio/avrcp.c b/profiles/audio/avrcp.c
index d5eba39..d0f7f0c 100644
--- a/profiles/audio/avrcp.c
+++ b/profiles/audio/avrcp.c
@@ -3002,6 +3002,17 @@ static int ct_list_items(struct media_player *mp, const char *name,
 	return 0;
 }
 
+static int ct_get_play_status(struct media_player *mp, void *user_data)
+{
+	struct avrcp_player *player = user_data;
+	struct avrcp *session;
+
+	session = player->sessions->data;
+	avrcp_get_play_status(session);
+
+	return 0;
+}
+
 static void avrcp_change_path(struct avrcp *session, uint8_t direction,
 								uint64_t uid)
 {
@@ -3321,6 +3332,7 @@ static const struct media_player_callback ct_cbs = {
 	.play_item	= ct_play_item,
 	.add_to_nowplaying = ct_add_to_nowplaying,
 	.total_items = ct_get_total_numberofitems,
+	.get_play_status = ct_get_play_status,
 };
 
 static struct avrcp_player *create_ct_player(struct avrcp *session,
@@ -3813,6 +3825,12 @@ static gboolean avrcp_get_capabilities_resp(struct avctp *conn, uint8_t code,
 	if (!session->controller || !session->controller->player)
 		return FALSE;
 
+	if ((events & (1 << AVRCP_EVENT_PLAYBACK_POS_CHANGED))) {
+		struct avrcp_player *player = session->controller->player;
+		struct media_player *mp = player->user_data;
+		media_player_set_poschange(mp, true);
+	}
+
 	if (!(events & (1 << AVRCP_EVENT_SETTINGS_CHANGED)))
 		avrcp_list_player_attributes(session);
 
diff --git a/profiles/audio/player.c b/profiles/audio/player.c
index 048f98f..eaaa54c 100644
--- a/profiles/audio/player.c
+++ b/profiles/audio/player.c
@@ -101,6 +101,7 @@ struct media_player {
 	struct player_callback	*cb;
 	GSList			*pending;
 	GSList			*folders;
+	bool            pos_change;
 };
 
 static void append_track(void *key, void *value, void *user_data)
@@ -450,6 +451,36 @@ static gboolean get_playlist(const GDBusPropertyTable *property,
 	return TRUE;
 }
 
+static gboolean get_position_change(const GDBusPropertyTable *property,
+					DBusMessageIter *iter, void *data)
+{
+	struct media_player *mp = data;
+	dbus_bool_t pos_change;
+
+	pos_change = mp->pos_change;
+
+	dbus_message_iter_append_basic(iter, DBUS_TYPE_BOOLEAN, &pos_change);
+
+	return TRUE;
+}
+
+static DBusMessage *media_player_getstatus(DBusConnection *conn, DBusMessage *msg,
+								void *data)
+{
+	struct media_player *mp = data;
+	struct player_callback *cb = mp->cb;
+	int err;
+
+	if (cb->cbs->get_play_status == NULL)
+		return btd_error_not_supported(msg);
+
+	err = cb->cbs->get_play_status(mp, cb->user_data);
+	if (err < 0)
+		return btd_error_failed(msg, strerror(-err));
+
+	return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
+}
+
 static DBusMessage *media_player_play(DBusConnection *conn, DBusMessage *msg,
 								void *data)
 {
@@ -703,6 +734,7 @@ static const GDBusMethodTable media_player_methods[] = {
 	{ GDBUS_METHOD("Previous", NULL, NULL, media_player_previous) },
 	{ GDBUS_METHOD("FastForward", NULL, NULL, media_player_fast_forward) },
 	{ GDBUS_METHOD("Rewind", NULL, NULL, media_player_rewind) },
+	{ GDBUS_METHOD("GetPlayStatus", NULL, NULL, media_player_getstatus) },
 	{ }
 };
 
@@ -725,6 +757,7 @@ static const GDBusPropertyTable media_player_properties[] = {
 	{ "Browsable", "b", get_browsable, NULL, browsable_exists },
 	{ "Searchable", "b", get_searchable, NULL, searchable_exists },
 	{ "Playlist", "o", get_playlist, NULL, playlist_exists },
+	{ "PosChange", "b", get_position_change, NULL, NULL },
 	{ }
 };
 
@@ -1516,6 +1549,20 @@ static struct media_item *media_folder_find_item(struct media_folder *folder,
 	return NULL;
 }
 
+void media_player_set_poschange(struct media_player *mp, bool enabled)
+{
+	if (mp->pos_change == enabled)
+		return;
+
+	DBG("%s", enabled ? "true" : "false");
+
+	mp->pos_change = enabled;
+
+	g_dbus_emit_property_changed(btd_get_dbus_connection(),
+					mp->path, MEDIA_PLAYER_INTERFACE,
+					"PosChange");
+}
+
 static DBusMessage *media_item_play(DBusConnection *conn, DBusMessage *msg,
 								void *data)
 {
diff --git a/profiles/audio/player.h b/profiles/audio/player.h
index 536394c..70c89b6 100644
--- a/profiles/audio/player.h
+++ b/profiles/audio/player.h
@@ -66,6 +66,7 @@ struct media_player_callback {
 					uint64_t uid, void *user_data);
 	int (*total_items) (struct media_player *mp, const char *name,
 						void *user_data);
+	int (*get_play_status) (struct media_player *mp, void *user_data);
 };
 
 struct media_player *media_player_controller_create(const char *path,
@@ -90,6 +91,7 @@ void media_player_set_searchable(struct media_player *mp, bool enabled);
 void media_player_set_folder(struct media_player *mp, const char *path,
 								uint32_t items);
 void media_player_set_playlist(struct media_player *mp, const char *name);
+void media_player_set_poschange(struct media_player *mp, bool enabled);
 struct media_item *media_player_set_playlist_item(struct media_player *mp,
 								uint64_t uid);
 
-- 
2.20.1