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a2dp: restore event/subevent id after executing callback

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This commit is contained in:
Matthias Ringwald 2020-10-22 13:17:29 +02:00
parent ec8ae085b4
commit d51536280e
1 changed files with 8 additions and 1 deletions
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9
src/classic/avdtp_util.c
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@ -1028,9 +1028,16 @@ uint8_t avdtp_remote_seid(avdtp_stream_endpoint_t * stream_endpoint){
void a2dp_replace_subevent_id_and_emit_cmd(btstack_packet_handler_t callback, uint8_t * packet, uint16_t size, uint8_t subevent_id){ void a2dp_replace_subevent_id_and_emit_cmd(btstack_packet_handler_t callback, uint8_t * packet, uint16_t size, uint8_t subevent_id){
UNUSED(size); UNUSED(size);
btstack_assert(callback != NULL); btstack_assert(callback != NULL);
// cache orig event and subevent id
uint8_t orig_event_id = packet[0];
uint8_t orig_subevent_id = packet[2];
// execute callback
packet[0] = HCI_EVENT_A2DP_META; packet[0] = HCI_EVENT_A2DP_META;
packet[2] = subevent_id; packet[2] = subevent_id;
(*callback)(HCI_EVENT_PACKET, 0, packet, size); (*callback)(HCI_EVENT_PACKET, 0, packet, size);
// restore id
packet[0] = orig_event_id;
packet[2] = orig_subevent_id;
} }
void a2dp_emit_stream_event(btstack_packet_handler_t callback, uint16_t cid, uint8_t local_seid, uint8_t subevent_id){ void a2dp_emit_stream_event(btstack_packet_handler_t callback, uint16_t cid, uint8_t local_seid, uint8_t subevent_id){