From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
---
android/avrcp-lib.c | 94 +++++++++++++++++++++++++++++++++++++++++++++++++++--
android/avrcp-lib.h | 6 ++--
android/avrcp.c | 39 ++++++++++------------
unit/test-avrcp.c | 3 +-
4 files changed, 114 insertions(+), 28 deletions(-)
diff --git a/android/avrcp-lib.c b/android/avrcp-lib.c
index 80b778a..cf7dadf 100644
--- a/android/avrcp-lib.c
+++ b/android/avrcp-lib.c
@@ -801,6 +801,7 @@ done:
return FALSE;
}
+
int avrcp_get_capabilities(struct avrcp *session, uint8_t param)
{
return avrcp_send_req(session, AVC_CTYPE_STATUS, AVC_SUBUNIT_PANEL,
@@ -808,10 +809,97 @@ int avrcp_get_capabilities(struct avrcp *session, uint8_t param)
get_capabilities_rsp, session);
}
-int avrcp_register_notification(struct avrcp *session, uint8_t event,
- uint32_t interval, avctp_rsp_cb func,
+static gboolean register_notification_rsp(struct avctp *conn,
+ uint8_t code, uint8_t subunit,
+ uint8_t *operands, size_t operand_count,
void *user_data)
{
+ struct avrcp *session = user_data;
+ struct avrcp_player *player = session->player;
+ struct avrcp_header *pdu;
+ uint8_t event = 0;
+ uint16_t value16;
+ uint32_t value32;
+ uint64_t value64;
+ uint8_t *params = NULL;
+ int err;
+
+ DBG("");
+
+ if (!player || !player->cfm || !player->cfm->register_notification)
+ return FALSE;
+
+ pdu = parse_pdu(operands, operand_count);
+ if (!pdu) {
+ err = -EPROTO;
+ goto done;
+ }
+
+ if (code == AVC_CTYPE_REJECTED) {
+ err = parse_status(pdu);
+ goto done;
+ }
+
+ if (pdu->params_len < 1) {
+ err = -EPROTO;
+ goto done;
+ }
+
+ event = pdu->params[0];
+
+ switch (event) {
+ case AVRCP_EVENT_STATUS_CHANGED:
+ case AVRCP_EVENT_VOLUME_CHANGED:
+ if (pdu->params_len != 2) {
+ err = -EPROTO;
+ goto done;
+ }
+ params = &pdu->params[1];
+ break;
+ case AVRCP_EVENT_TRACK_CHANGED:
+ if (pdu->params_len != 9) {
+ err = -EPROTO;
+ goto done;
+ }
+ value64 = bt_get_be64(&pdu->params[1]);
+ params = (uint8_t *) &value64;
+ break;
+ case AVRCP_EVENT_PLAYBACK_POS_CHANGED:
+ if (pdu->params_len != 5) {
+ err = -EPROTO;
+ goto done;
+ }
+ value32 = bt_get_be32(&pdu->params[1]);
+ params = (uint8_t *) &value32;
+ break;
+ case AVRCP_EVENT_ADDRESSED_PLAYER_CHANGED:
+ case AVRCP_EVENT_SETTINGS_CHANGED:
+ if (pdu->params_len < 2) {
+ err = -EPROTO;
+ goto done;
+ }
+ params = &pdu->params[1];
+ break;
+ case AVRCP_EVENT_UIDS_CHANGED:
+ if (pdu->params_len != 3) {
+ err = -EPROTO;
+ goto done;
+ }
+ value16 = bt_get_be16(&pdu->params[1]);
+ params = (uint8_t *) &value16;
+ break;
+ }
+
+ err = 0;
+
+done:
+ return player->cfm->register_notification(session, err, code, event,
+ params, player->user_data);
+}
+
+int avrcp_register_notification(struct avrcp *session, uint8_t event,
+ uint32_t interval)
+{
uint8_t params[5];
params[0] = event;
@@ -820,7 +908,7 @@ int avrcp_register_notification(struct avrcp *session, uint8_t event,
return avrcp_send_req(session, AVC_CTYPE_NOTIFY, AVC_SUBUNIT_PANEL,
AVRCP_REGISTER_NOTIFICATION,
params, sizeof(params),
- func, user_data);
+ register_notification_rsp, session);
}
static gboolean list_attributes_rsp(struct avctp *conn,
diff --git a/android/avrcp-lib.h b/android/avrcp-lib.h
index 2f35e90..0b867aa 100644
--- a/android/avrcp-lib.h
+++ b/android/avrcp-lib.h
@@ -191,6 +191,9 @@ struct avrcp_control_cfm {
void (*get_element_attributes) (struct avrcp *session, int err,
uint8_t number, uint32_t *attrs,
char **text, void *user_data);
+ bool (*register_notification) (struct avrcp *session, int err,
+ uint8_t code, uint8_t event,
+ uint8_t *params, void *user_data);
};
struct avrcp_passthrough_handler {
@@ -219,8 +222,7 @@ int avrcp_send(struct avrcp *session, uint8_t transaction, uint8_t code,
uint8_t *params, size_t params_len);
int avrcp_get_capabilities(struct avrcp *session, uint8_t param);
int avrcp_register_notification(struct avrcp *session, uint8_t event,
- uint32_t interval, avctp_rsp_cb func,
- void *user_data);
+ uint32_t interval);
int avrcp_list_player_attributes(struct avrcp *session);
int avrcp_get_player_attribute_text(struct avrcp *session, uint8_t number,
uint8_t *attrs);
diff --git a/android/avrcp.c b/android/avrcp.c
index 0995a06..add069b 100644
--- a/android/avrcp.c
+++ b/android/avrcp.c
@@ -724,39 +724,37 @@ static const struct avrcp_control_ind control_ind = {
.register_notification = handle_register_notification_cmd,
};
-static gboolean register_notification_rsp(struct avctp *conn,
- uint8_t code, uint8_t subunit,
- uint8_t *operands, size_t operand_count,
- void *user_data)
+static bool handle_register_notification_rsp(struct avrcp *session, int err,
+ uint8_t code, uint8_t event,
+ uint8_t *params,
+ void *user_data)
{
struct avrcp_device *dev = user_data;
struct hal_ev_avrcp_volume_changed ev;
- uint8_t *params;
- if (code != AVC_CTYPE_INTERIM && code != AVC_CTYPE_CHANGED)
- return FALSE;
-
- if (operands == NULL || operand_count < 7)
- return FALSE;
+ if (err < 0) {
+ error("AVRCP: %s", strerror(-err));
+ return false;
+ }
- params = &operands[7];
+ if (code != AVC_CTYPE_INTERIM && code != AVC_CTYPE_CHANGED)
+ return false;
- if (params == NULL || params[0] != AVRCP_EVENT_VOLUME_CHANGED)
- return FALSE;
+ if (event != AVRCP_EVENT_VOLUME_CHANGED)
+ return false;
ev.type = code;
- ev.volume = params[1] & 0x7F;
+ ev.volume = params[0] & 0x7f;
ipc_send_notif(hal_ipc, HAL_SERVICE_ID_AVRCP,
HAL_EV_AVRCP_VOLUME_CHANGED,
sizeof(ev), &ev);
if (code == AVC_CTYPE_INTERIM)
- return TRUE;
+ return true;
- avrcp_register_notification(dev->session, params[0], 0,
- register_notification_rsp, dev);
- return FALSE;
+ avrcp_register_notification(dev->session, event, 0);
+ return false;
}
static void handle_get_capabilities_rsp(struct avrcp *session, int err,
@@ -775,9 +773,7 @@ static void handle_get_capabilities_rsp(struct avrcp *session, int err,
if (events[i] != AVRCP_EVENT_VOLUME_CHANGED)
continue;
- avrcp_register_notification(dev->session, events[i], 0,
- register_notification_rsp,
- dev);
+ avrcp_register_notification(dev->session, events[i], 0);
break;
}
@@ -786,6 +782,7 @@ static void handle_get_capabilities_rsp(struct avrcp *session, int err,
static const struct avrcp_control_cfm control_cfm = {
.get_capabilities = handle_get_capabilities_rsp,
+ .register_notification = handle_register_notification_rsp,
};
static int avrcp_device_add_session(struct avrcp_device *dev, int fd,
diff --git a/unit/test-avrcp.c b/unit/test-avrcp.c
index a0b009a..5b259bd 100644
--- a/unit/test-avrcp.c
+++ b/unit/test-avrcp.c
@@ -524,8 +524,7 @@ static void test_client(gconstpointer data)
if (g_str_equal(context->data->test_name, "/TP/NFY/BV-01-C"))
avrcp_register_notification(context->session,
- AVRCP_EVENT_STATUS_CHANGED, 0,
- NULL, NULL);
+ AVRCP_EVENT_STATUS_CHANGED, 0);
if (g_str_equal(context->data->test_name, "/TP/BGN/BV-01-I"))
avrcp_send_passthrough(context->session, IEEEID_BTSIG,
--
1.8.5.3
--
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