From 36d6b226c7172d7d1faa503bc5f99ffef9911803 Mon Sep 17 00:00:00 2001
From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Date: Wed, 2 Apr 2014 11:27:31 +0300
Subject: [PATCH] android/avrcp: Add avrcp_get_folder_items() function

---
 android/avrcp-lib.c | 61 +++++++++++++++++++++++++++++++++++++++++++++
 android/avrcp-lib.h | 12 +++++++++
 2 files changed, 73 insertions(+)

diff --git a/android/avrcp-lib.c b/android/avrcp-lib.c
index 1d11ea424..bfe5d4415 100644
--- a/android/avrcp-lib.c
+++ b/android/avrcp-lib.c
@@ -1655,6 +1655,67 @@ int avrcp_set_browsed_player(struct avrcp *session, uint16_t player_id)
 					session);
 }
 
+static gboolean get_folder_items_rsp(struct avctp *conn,
+					uint8_t *operands, size_t operand_count,
+					void *user_data)
+{
+	struct avrcp *session = user_data;
+	struct avrcp_player *player = session->player;
+	struct avrcp_browsing_header *pdu;
+	uint16_t counter = 0, number = 0;
+	int err;
+
+	DBG("");
+
+	if (!player || !player->cfm || !player->cfm->get_folder_items)
+		return FALSE;
+
+	pdu = parse_browsing_pdu(operands, operand_count);
+	if (!pdu) {
+		err = -EPROTO;
+		goto done;
+	}
+
+	err = parse_browsing_status(pdu);
+	if (err < 0)
+		goto done;
+
+	if (pdu->params_len < 5) {
+		err = -EPROTO;
+		goto done;
+	}
+
+	counter = get_be16(&pdu->params[1]);
+	number = get_be16(&pdu->params[3]);
+
+	/* FIXME: Add proper parsing for each item type */
+
+done:
+	player->cfm->get_folder_items(session, err, counter, number,
+					&pdu->params[5], player->user_data);
+
+	return FALSE;
+}
+
+int avrcp_get_folder_items(struct avrcp *session, uint8_t scope,
+				uint32_t start, uint32_t end, uint8_t number,
+				uint32_t *attrs)
+{
+
+	uint8_t pdu[10 + number * sizeof(uint32_t)];
+
+	pdu[0] = scope;
+	bt_put_be32(start, &pdu[1]);
+	bt_put_be32(end, &pdu[5]);
+	pdu[9] = number;
+
+	memcpy(&pdu[10], attrs, number);
+
+	return avrcp_send_browsing_req(session, AVRCP_GET_FOLDER_ITEMS,
+					pdu, sizeof(pdu),
+					get_folder_items_rsp, session);
+}
+
 int avrcp_get_capabilities_rsp(struct avrcp *session, uint8_t transaction,
 						uint8_t number, uint8_t *events)
 {
diff --git a/android/avrcp-lib.h b/android/avrcp-lib.h
index eaa03f1b3..894310876 100644
--- a/android/avrcp-lib.h
+++ b/android/avrcp-lib.h
@@ -115,6 +115,12 @@
 #define AVRCP_MEDIA_ATTRIBUTE_DURATION	0x07
 #define AVRCP_MEDIA_ATTRIBUTE_LAST	AVRCP_MEDIA_ATTRIBUTE_DURATION
 
+/* Media Scope */
+#define AVRCP_MEDIA_PLAYER_LIST			0x00
+#define AVRCP_MEDIA_PLAYER_VFS			0x01
+#define AVRCP_MEDIA_SEARCH			0x02
+#define AVRCP_MEDIA_NOW_PLAYING			0x03
+
 /* Company IDs for vendor dependent commands */
 #define IEEEID_BTSIG		0x001958
 
@@ -199,6 +205,9 @@ struct avrcp_control_cfm {
 	void (*set_browsed) (struct avrcp *session, int err,
 					uint16_t counter, uint32_t items,
 					char *path, void *user_data);
+	void (*get_folder_items) (struct avrcp *session, int err,
+					uint16_t counter, uint16_t number,
+					uint8_t *params, void *user_data);
 };
 
 struct avrcp_passthrough_handler {
@@ -246,6 +255,9 @@ int avrcp_set_volume(struct avrcp *session, uint8_t volume, avctp_rsp_cb func,
 int avrcp_get_element_attributes(struct avrcp *session);
 int avrcp_set_addressed_player(struct avrcp *session, uint16_t player_id);
 int avrcp_set_browsed_player(struct avrcp *session, uint16_t player_id);
+int avrcp_get_folder_items(struct avrcp *session, uint8_t scope,
+				uint32_t start, uint32_t end, uint8_t number,
+				uint32_t *attrs);
 
 int avrcp_get_capabilities_rsp(struct avrcp *session, uint8_t transaction,
 					uint8_t number, uint8_t *events);
-- 
2.47.3