From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
This adds support for ChangePath command via player callback.
---
profiles/audio/avrcp.c | 77 +++++++++++++++++++++++++++++++++++++++++++++----
profiles/audio/player.h | 2 ++
2 files changed, 73 insertions(+), 6 deletions(-)
diff --git a/profiles/audio/avrcp.c b/profiles/audio/avrcp.c
index c141d24..e44ab3c 100644
--- a/profiles/audio/avrcp.c
+++ b/profiles/audio/avrcp.c
@@ -101,8 +101,9 @@
#define AVRCP_ABORT_CONTINUING 0x41
#define AVRCP_SET_ABSOLUTE_VOLUME 0x50
#define AVRCP_SET_BROWSED_PLAYER 0x70
-#define AVRCP_GET_ITEM_ATTRIBUTES 0x73
#define AVRCP_GET_FOLDER_ITEMS 0x71
+#define AVRCP_CHANGE_PATH 0x72
+#define AVRCP_GET_ITEM_ATTRIBUTES 0x73
#define AVRCP_GENERAL_REJECT 0xA0
/* Capabilities for AVRCP_GET_CAPABILITIES pdu */
@@ -192,8 +193,10 @@ struct avrcp_player {
uint16_t uid_counter;
bool browsed;
uint8_t *features;
+ char *path;
struct pending_list_items *p;
+ char *change_path;
struct avrcp_player_cb *cb;
void *user_data;
@@ -2187,6 +2190,32 @@ static void avrcp_list_items(struct avrcp *session, uint32_t start,
avrcp_list_items_rsp, session);
}
+static gboolean avrcp_change_path_rsp(struct avctp *conn,
+ uint8_t *operands, size_t operand_count,
+ void *user_data)
+{
+ struct avrcp_browsing_header *pdu = (void *)operands;
+ struct avrcp *session = (void *)user_data;
+ struct avrcp_player *player = session->player;
+ struct media_player *mp = player->user_data;
+ uint8_t status;
+ uint32_t num_of_items;
+
+ status = pdu->params[0];
+ if (status != AVRCP_STATUS_SUCCESS)
+ return FALSE;
+
+ num_of_items = bt_get_be32(&pdu->params[1]);
+
+ g_free(player->path);
+ player->path = player->change_path;
+ player->change_path = NULL;
+
+ media_player_set_folder(mp, player->path, num_of_items);
+
+ return FALSE;
+}
+
static gboolean avrcp_set_browsed_player_rsp(struct avctp *conn,
uint8_t *operands,
size_t operand_count,
@@ -2197,7 +2226,7 @@ static gboolean avrcp_set_browsed_player_rsp(struct avctp *conn,
struct media_player *mp = player->user_data;
struct avrcp_browsing_header *pdu = (void *) operands;
uint32_t items;
- char **folders, *path;
+ char **folders;
uint8_t depth, count;
size_t i;
@@ -2229,12 +2258,10 @@ static gboolean avrcp_set_browsed_player_rsp(struct avctp *conn,
i += len;
}
- path = g_build_pathv("/", folders);
+ player->path = g_build_pathv("/", folders);
g_strfreev(folders);
- media_player_set_folder(mp, path, items);
-
- g_free(path);
+ media_player_set_folder(mp, player->path, items);
return FALSE;
}
@@ -2471,6 +2498,41 @@ static int ct_list_items(struct media_player *mp, const char *name,
return 0;
}
+static void avrcp_change_path(struct avrcp *session, uint8_t direction,
+ uint64_t uid)
+{
+ struct avrcp_player *player = session->player;
+ uint8_t buf[AVRCP_BROWSING_HEADER_LENGTH + 11];
+ struct avrcp_browsing_header *pdu = (void *) buf;
+
+ memset(buf, 0, sizeof(buf));
+ bt_put_be16(player->uid_counter, &pdu->params[0]);
+ pdu->params[2] = direction;
+ bt_put_be64(uid, &pdu->params[3]);
+ pdu->pdu_id = AVRCP_CHANGE_PATH;
+ pdu->param_len = htons(11);
+
+ avctp_send_browsing_req(session->conn, buf, sizeof(buf),
+ avrcp_change_path_rsp, session);
+}
+
+static int ct_change_folder(struct media_player *mp, const char *path,
+ uint64_t uid, void *user_data)
+{
+ struct avrcp_player *player = user_data;
+ struct avrcp *session;
+ uint8_t direction;
+
+ session = player->sessions->data;
+ player->change_path = g_strdup(path);
+
+ direction = g_str_has_prefix(path, player->path) ? 0x01 : 0x00;
+
+ avrcp_change_path(session, direction, uid);
+
+ return 0;
+}
+
static const struct media_player_callback ct_cbs = {
.set_setting = ct_set_setting,
.play = ct_play,
@@ -2481,6 +2543,7 @@ static const struct media_player_callback ct_cbs = {
.fast_forward = ct_fast_forward,
.rewind = ct_rewind,
.list_items = ct_list_items,
+ .change_folder = ct_change_folder,
};
static struct avrcp_player *create_ct_player(struct avrcp *session,
@@ -2593,6 +2656,8 @@ static void player_destroy(gpointer data)
player->destroy(player->user_data);
g_slist_free(player->sessions);
+ g_free(player->path);
+ g_free(player->change_path);
g_free(player->features);
g_free(player);
}
diff --git a/profiles/audio/player.h b/profiles/audio/player.h
index 4e15c36..75ce36b 100644
--- a/profiles/audio/player.h
+++ b/profiles/audio/player.h
@@ -56,6 +56,8 @@ struct media_player_callback {
int (*rewind) (struct media_player *mp, void *user_data);
int (*list_items) (struct media_player *mp, const char *name,
uint32_t start, uint32_t end, void *user_data);
+ int (*change_folder) (struct media_player *mp, const char *path,
+ uint64_t uid, void *user_data);
};
struct media_player *media_player_controller_create(const char *path,
--
1.8.1.4
--
To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
