Added support for AVRCP GetTotalNumOfItems browsing command
to retrieve the number of items in a folder(with given scope)
prior to calling GetFolderItems to retrieve a listing of the
contents of the folder.
---
profiles/audio/avrcp.c | 77 +++++++++++++++++++++++++++++++++++++++++++++++++
profiles/audio/player.c | 25 ++++++++++++++++
profiles/audio/player.h | 4 +++
3 files changed, 106 insertions(+)
diff --git a/profiles/audio/avrcp.c b/profiles/audio/avrcp.c
index 60f8cbf..ebb3af9 100644
--- a/profiles/audio/avrcp.c
+++ b/profiles/audio/avrcp.c
@@ -108,6 +108,7 @@
#define AVRCP_CHANGE_PATH 0x72
#define AVRCP_GET_ITEM_ATTRIBUTES 0x73
#define AVRCP_PLAY_ITEM 0x74
+#define AVRCP_GET_TOTAL_NUMBER_OF_ITEMS 0x75
#define AVRCP_SEARCH 0x80
#define AVRCP_ADD_TO_NOW_PLAYING 0x90
#define AVRCP_GENERAL_REJECT 0xA0
@@ -2821,6 +2822,81 @@ static int ct_add_to_nowplaying(struct media_player *mp, const char *name,
return 0;
}
+static gboolean avrcp_get_total_numberofitems_rsp(struct avctp *conn,
+ uint8_t *operands, size_t operand_count,
+ void *user_data)
+{
+ struct avrcp_browsing_header *pdu = (void *) operands;
+ struct avrcp *session = user_data;
+ struct avrcp_player *player = session->controller->player;
+ struct media_player *mp = player->user_data;
+ int ret = 0;
+
+ if (pdu == NULL) {
+ ret = -ETIMEDOUT;
+ goto done;
+ }
+
+ if (pdu->params[0] != AVRCP_STATUS_SUCCESS || operand_count < 7) {
+ ret = -EINVAL;
+ goto done;
+ }
+
+ if (pdu->params[0] == AVRCP_STATUS_OUT_OF_BOUNDS)
+ goto done;
+
+ player->uid_counter = get_be16(&pdu->params[1]);
+ ret = get_be32(&pdu->params[3]);
+
+done:
+ media_player_get_number_of_items_complete(mp, ret);
+
+ return FALSE;
+}
+
+static void avrcp_get_total_numberofitems(struct avrcp *session)
+{
+ uint8_t buf[AVRCP_BROWSING_HEADER_LENGTH + 7];
+ struct avrcp_player *player = session->controller->player;
+ struct avrcp_browsing_header *pdu = (void *) buf;
+ uint16_t length = AVRCP_BROWSING_HEADER_LENGTH + 7;
+
+ memset(buf, 0, sizeof(buf));
+
+ pdu->pdu_id = AVRCP_GET_TOTAL_NUMBER_OF_ITEMS;
+ pdu->param_len = htons(7 + sizeof(uint32_t));
+
+ pdu->params[0] = player->scope;
+
+ length += sizeof(uint32_t);
+
+ avctp_send_browsing_req(session->conn, buf, length,
+ avrcp_get_total_numberofitems_rsp, session);
+}
+
+static int ct_get_total_numberofitems(struct media_player *mp, const char *name,
+ void *user_data)
+{
+ struct avrcp_player *player = user_data;
+ struct avrcp *session;
+
+ if (player->p != NULL)
+ return -EBUSY;
+
+ session = player->sessions->data;
+
+ if (g_str_has_prefix(name, "/NowPlaying"))
+ player->scope = 0x03;
+ else if (g_str_has_suffix(name, "/search"))
+ player->scope = 0x02;
+ else
+ player->scope = 0x01;
+
+ avrcp_get_total_numberofitems(session);
+
+ return 0;
+}
+
static const struct media_player_callback ct_cbs = {
.set_setting = ct_set_setting,
.play = ct_play,
@@ -2835,6 +2911,7 @@ static const struct media_player_callback ct_cbs = {
.search = ct_search,
.play_item = ct_play_item,
.add_to_nowplaying = ct_add_to_nowplaying,
+ .total_items = ct_get_total_numberofitems,
};
static struct avrcp_player *create_ct_player(struct avrcp *session,
diff --git a/profiles/audio/player.c b/profiles/audio/player.c
index 94eb2eb..b7f7b60 100644
--- a/profiles/audio/player.c
+++ b/profiles/audio/player.c
@@ -702,6 +702,31 @@ done:
folder->msg = NULL;
}
+void media_player_get_number_of_items_complete(struct media_player *mp, int ret)
+{
+ struct media_folder *folder = mp->scope;
+ DBusMessage *reply;
+
+ if (folder == NULL || folder->msg == NULL)
+ return;
+
+ if (ret < 0) {
+ reply = btd_error_failed(folder->msg, strerror(-ret));
+ goto done;
+ }
+
+ folder->number_of_items = ret;
+
+ reply = g_dbus_create_reply(folder->msg,
+ DBUS_TYPE_INT32, &folder->number_of_items,
+ DBUS_TYPE_INVALID);
+
+done:
+ g_dbus_send_message(btd_get_dbus_connection(), reply);
+ dbus_message_unref(folder->msg);
+ folder->msg = NULL;
+}
+
static const GDBusMethodTable media_player_methods[] = {
{ GDBUS_METHOD("Play", NULL, NULL, media_player_play) },
{ GDBUS_METHOD("Pause", NULL, NULL, media_player_pause) },
diff --git a/profiles/audio/player.h b/profiles/audio/player.h
index ac2a3da..bc9fa57 100644
--- a/profiles/audio/player.h
+++ b/profiles/audio/player.h
@@ -64,6 +64,8 @@ struct media_player_callback {
uint64_t uid, void *user_data);
int (*add_to_nowplaying) (struct media_player *mp, const char *name,
uint64_t uid, void *user_data);
+ int (*total_items) (struct media_player *mp, const char *name,
+ void *user_data);
};
struct media_player *media_player_controller_create(const char *path,
@@ -104,6 +106,8 @@ void media_player_list_complete(struct media_player *mp, GSList *items,
void media_player_change_folder_complete(struct media_player *player,
const char *path, int ret);
void media_player_search_complete(struct media_player *mp, int ret);
+void media_player_get_number_of_items_complete(struct media_player *mp,
+ int ret);
void media_player_set_callbacks(struct media_player *mp,
const struct media_player_callback *cbs,
--
1.9.1
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