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a2dp_source: collect state for sep discovery

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This commit is contained in:
Matthias Ringwald 2021-03-15 15:59:10 +01:00
parent b1041d0e98
commit 2a9f9e2af4
1 changed files with 19 additions and 19 deletions
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38
src/classic/a2dp_source.c
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@ -68,7 +68,6 @@
typedef struct {
avdtp_stream_endpoint_t * local_stream_endpoint;
uint8_t active_remote_sep_index;
} avdtp_stream_endpoint_context_t;
@ -78,10 +77,11 @@ static const char * default_a2dp_source_service_provider_name = "BTstack A2DP So
static btstack_timer_source_t a2dp_source_set_config_timer;
static btstack_packet_handler_t a2dp_source_packet_handler_user;
// discover remote seps
// remote sep discovery - singleton, sep_discovery_cid is used as mutex
static uint16_t sep_discovery_cid;
static uint16_t num_remote_seps;
static avdtp_sep_t remote_seps[AVDTP_MAX_SEP_NUM];
static uint16_t sep_discovery_count;
static uint16_t sep_discovery_index;
static avdtp_sep_t sep_discovery_seps[AVDTP_MAX_SEP_NUM];
static avdtp_stream_endpoint_context_t sc;
@ -232,9 +232,9 @@ static void a2dp_start_discovering_seps(avdtp_connection_t * connection){
connection->a2dp_source_state = A2DP_DISCOVER_SEPS;
connection->a2dp_source_discover_seps = false;
sc.active_remote_sep_index = 0;
num_remote_seps = 0;
memset(remote_seps, 0, sizeof(avdtp_sep_t) * AVDTP_MAX_SEP_NUM);
sep_discovery_index = 0;
sep_discovery_count = 0;
memset(sep_discovery_seps, 0, sizeof(avdtp_sep_t) * AVDTP_MAX_SEP_NUM);
sep_discovery_cid = connection->avdtp_cid;
// if we initiated the connection, start config right away, else wait a bit to give remote a chance to do it first
@ -351,9 +351,9 @@ static void a2dp_source_packet_handler_internal(uint8_t packet_type, uint16_t ch
sep.type = (avdtp_sep_type_t) avdtp_subevent_signaling_sep_found_get_sep_type(packet);
log_info("A2DP Found sep: remote seid 0x%02x, in_use %d, media type %d, sep type %s, index %d",
sep.seid, sep.in_use, sep.media_type, sep.type == AVDTP_SOURCE ? "source" : "sink",
num_remote_seps);
sep_discovery_count);
if ((sep.type == AVDTP_SINK) && (sep.in_use == false)) {
remote_seps[num_remote_seps++] = sep;
sep_discovery_seps[sep_discovery_count++] = sep;
}
}
break;
@ -365,9 +365,9 @@ static void a2dp_source_packet_handler_internal(uint8_t packet_type, uint16_t ch
if (connection->a2dp_source_state != A2DP_DISCOVER_SEPS) break;
if (num_remote_seps > 0){
if (sep_discovery_count > 0){
connection->a2dp_source_state = A2DP_GET_CAPABILITIES;
sc.active_remote_sep_index = 0;
sep_discovery_index = 0;
connection->a2dp_source_have_config = false;
} else {
if (connection->a2dp_source_outgoing_active){
@ -468,7 +468,7 @@ static void a2dp_source_packet_handler_internal(uint8_t packet_type, uint16_t ch
if (connection->a2dp_source_state != A2DP_GET_CAPABILITIES) break;
// store delay reporting capability
remote_seps[sc.active_remote_sep_index].registered_service_categories |= 1 << AVDTP_DELAY_REPORTING;
sep_discovery_seps[sep_discovery_index].registered_service_categories |= 1 << AVDTP_DELAY_REPORTING;
a2dp_replace_subevent_id_and_emit_cmd(a2dp_source_packet_handler_user, packet, size, A2DP_SUBEVENT_SIGNALING_DELAY_REPORTING_CAPABILITY);
break;
@ -484,8 +484,8 @@ static void a2dp_source_packet_handler_internal(uint8_t packet_type, uint16_t ch
a2dp_replace_subevent_id_and_emit_cmd(a2dp_source_packet_handler_user, packet, size, A2DP_SUBEVENT_SIGNALING_CAPABILITIES_DONE);
// endpoint was not suitable, check next one
sc.active_remote_sep_index++;
if (sc.active_remote_sep_index >= num_remote_seps){
sep_discovery_index++;
if (sep_discovery_index >= sep_discovery_count){
// emit 'all capabilities for all seps reported'
uint8_t event[6];
@ -596,7 +596,7 @@ static void a2dp_source_packet_handler_internal(uint8_t packet_type, uint16_t ch
switch (connection->a2dp_source_state){
case A2DP_GET_CAPABILITIES:
remote_seid = remote_seps[sc.active_remote_sep_index].seid;
remote_seid = sep_discovery_seps[sep_discovery_index].seid;
log_info("A2DP get capabilities for remote seid 0x%02x", remote_seid);
avdtp_source_get_all_capabilities(cid, remote_seid);
return;
@ -709,7 +709,7 @@ void a2dp_source_init(void){
void a2dp_source_deinit(void){
avdtp_source_deinit();
num_remote_seps = 0;
sep_discovery_count = 0;
}
avdtp_stream_endpoint_t * a2dp_source_create_stream_endpoint(avdtp_media_type_t media_type, avdtp_media_codec_type_t media_codec_type,
@ -822,9 +822,9 @@ static uint8_t a2dp_source_config_init(avdtp_connection_t *connection, uint8_t l
// lookup remote stream endpoint
avdtp_sep_t * remote_sep = NULL;
uint8_t i;
for (i=0;i<num_remote_seps;i++){
if (remote_seps[i].seid == remote_seid){
remote_sep = &remote_seps[i];
for (i=0; i < sep_discovery_count; i++){
if (sep_discovery_seps[i].seid == remote_seid){
remote_sep = &sep_discovery_seps[i];
}
}
if (remote_sep == NULL){