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avrcp_browsing_target: extend GET_FOLDER_ITEMS event

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Milanka Ringwald 2024-11-11 16:00:20 +01:00 committed by Matthias Ringwald
parent 19dd59c8bc
commit fe4dc63a25
1 changed files with 19 additions and 2 deletions
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21
src/classic/avrcp_browsing_target.c
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@ -92,7 +92,7 @@ static uint8_t avrcp_browsing_target_response_general_reject(avrcp_browsing_conn
static void avrcp_browsing_target_emit_get_folder_items(btstack_packet_handler_t callback, uint16_t browsing_cid, avrcp_browsing_connection_t * connection){ static void avrcp_browsing_target_emit_get_folder_items(btstack_packet_handler_t callback, uint16_t browsing_cid, avrcp_browsing_connection_t * connection){
btstack_assert(callback != NULL); btstack_assert(callback != NULL);
uint8_t event[10]; uint8_t event[18];
int pos = 0; int pos = 0;
event[pos++] = HCI_EVENT_AVRCP_META; event[pos++] = HCI_EVENT_AVRCP_META;
event[pos++] = sizeof(event) - 2; event[pos++] = sizeof(event) - 2;
@ -100,6 +100,10 @@ static void avrcp_browsing_target_emit_get_folder_items(btstack_packet_handler_t
little_endian_store_16(event, pos, browsing_cid); little_endian_store_16(event, pos, browsing_cid);
pos += 2; pos += 2;
event[pos++] = connection->scope; event[pos++] = connection->scope;
big_endian_store_32(event, pos, connection->start_item);
pos += 4;
big_endian_store_32(event, pos, connection->end_item);
pos += 4;
big_endian_store_32(event, pos, connection->attr_bitmap); big_endian_store_32(event, pos, connection->attr_bitmap);
pos += 4; pos += 4;
(*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); (*callback)(HCI_EVENT_PACKET, 0, event, sizeof(event));
@ -159,15 +163,23 @@ static void avrcp_browsing_target_packet_handler(uint8_t packet_type, uint16_t c
browsing_connection->num_packets = packet[pos++]; browsing_connection->num_packets = packet[pos++];
} }
browsing_connection->pdu_id = packet[pos++]; browsing_connection->pdu_id = packet[pos++];
uint16_t parameter_length = big_endian_read_16(packet, pos);
pos += 2;
switch(browsing_connection->pdu_id){ switch(browsing_connection->pdu_id){
case AVRCP_PDU_ID_GET_FOLDER_ITEMS: case AVRCP_PDU_ID_GET_FOLDER_ITEMS:
if (parameter_length < 10){
avrcp_browsing_target_response_general_reject(browsing_connection, AVRCP_STATUS_INVALID_COMMAND);
break;
}
browsing_connection->scope = packet[pos++]; browsing_connection->scope = packet[pos++];
browsing_connection->start_item = big_endian_read_32(packet, pos); browsing_connection->start_item = big_endian_read_32(packet, pos);
pos += 4; pos += 4;
browsing_connection->end_item = big_endian_read_32(packet, pos); browsing_connection->end_item = big_endian_read_32(packet, pos);
pos += 4; pos += 4;
uint8_t attr_count = packet[pos++]; uint8_t attr_count = packet[pos++];
browsing_connection->attr_bitmap = 0;
while (attr_count){ while (attr_count){
uint32_t attr_id = big_endian_read_32(packet, pos); uint32_t attr_id = big_endian_read_32(packet, pos);
@ -179,6 +191,11 @@ static void avrcp_browsing_target_packet_handler(uint8_t packet_type, uint16_t c
break; break;
case AVRCP_PDU_ID_GET_TOTAL_NUMBER_OF_ITEMS:{ case AVRCP_PDU_ID_GET_TOTAL_NUMBER_OF_ITEMS:{
// send total num items // send total num items
if (parameter_length != 1){
avrcp_browsing_target_response_general_reject(browsing_connection, AVRCP_STATUS_INVALID_SCOPE);
break;
}
browsing_connection->scope = packet[pos++]; browsing_connection->scope = packet[pos++];
avrcp_browsing_target_emit_get_total_num_items(avrcp_target_context.browsing_avrcp_callback, channel, browsing_connection); avrcp_browsing_target_emit_get_total_num_items(avrcp_target_context.browsing_avrcp_callback, channel, browsing_connection);
break; break;