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https://github.com/bluekitchen/btstack.git
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a2dp_source: move config process to a2dp
This commit is contained in:
Matthias Ringwald
parent
2f9a382658
commit
cb9e52f65b
@ -54,13 +54,27 @@
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#include "classic/avdtp_util.h"
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#include "classic/avdtp_util.h"
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#include "btstack_debug.h"
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#include "btstack_debug.h"
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#define AVDTP_MAX_SEP_NUM 10
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#define A2DP_SET_CONFIG_DELAY_MS 200
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static void a2dp_discover_seps_with_next_waiting_connection(void);
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// higher layer callbacks
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// higher layer callbacks
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static btstack_packet_handler_t a2dp_source_callback;
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static btstack_packet_handler_t a2dp_source_callback;
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// config process - singletons using sep_discovery_cid is used as mutex
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static uint16_t a2dp_source_sep_discovery_cid;
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static uint16_t a2dp_source_sep_discovery_count;
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static uint16_t a2dp_source_sep_discovery_index;
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static avdtp_sep_t a2dp_source_sep_discovery_seps[AVDTP_MAX_SEP_NUM];
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static btstack_timer_source_t a2dp_source_set_config_timer;
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static bool a2dp_source_set_config_timer_active;
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void a2dp_init(void) {
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void a2dp_init(void) {
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}
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}
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void a2dp_deinit(void){
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void a2dp_deinit(void){
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a2dp_source_sep_discovery_cid = 0;
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}
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}
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@ -181,3 +195,603 @@ void a2dp_emit_source_stream_reconfigured(uint16_t cid, uint8_t local_seid, uint
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a2dp_emit_source(event, sizeof(event));
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a2dp_emit_source(event, sizeof(event));
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}
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}
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static void a2dp_source_set_config_timer_handler(btstack_timer_source_t * timer){
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uint16_t avdtp_cid = (uint16_t)(uintptr_t) btstack_run_loop_get_timer_context(timer);
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avdtp_connection_t * connection = avdtp_get_connection_for_avdtp_cid(avdtp_cid);
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btstack_run_loop_set_timer_context(&a2dp_source_set_config_timer, NULL);
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a2dp_source_set_config_timer_active = false;
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log_info("Set Config timer fired, avdtp_cid 0x%02x", avdtp_cid);
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if (connection == NULL) {
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a2dp_discover_seps_with_next_waiting_connection();
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return;
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}
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if (connection->a2dp_source_config_process.stream_endpoint_configured) return;
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avdtp_source_discover_stream_endpoints(avdtp_cid);
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}
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static void a2dp_source_set_config_timer_start(uint16_t avdtp_cid){
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log_info("Set Config timer start for cid 0%02x", avdtp_cid);
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a2dp_source_set_config_timer_active = true;
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btstack_run_loop_remove_timer(&a2dp_source_set_config_timer);
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btstack_run_loop_set_timer_handler(&a2dp_source_set_config_timer,a2dp_source_set_config_timer_handler);
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btstack_run_loop_set_timer(&a2dp_source_set_config_timer, A2DP_SET_CONFIG_DELAY_MS);
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btstack_run_loop_set_timer_context(&a2dp_source_set_config_timer, (void *)(uintptr_t)avdtp_cid);
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btstack_run_loop_add_timer(&a2dp_source_set_config_timer);
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}
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static void a2dp_source_set_config_timer_restart(void){
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log_info("Set Config timer restart");
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btstack_run_loop_remove_timer(&a2dp_source_set_config_timer);
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btstack_run_loop_set_timer(&a2dp_source_set_config_timer, A2DP_SET_CONFIG_DELAY_MS);
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btstack_run_loop_add_timer(&a2dp_source_set_config_timer);
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}
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static void a2dp_source_set_config_timer_stop(void){
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if (a2dp_source_set_config_timer_active == false) return;
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log_info("Set Config timer stop");
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btstack_run_loop_remove_timer(&a2dp_source_set_config_timer);
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btstack_run_loop_set_timer_context(&a2dp_source_set_config_timer, NULL);
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a2dp_source_set_config_timer_active = false;
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}
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// Discover seps, both incoming and outgoing
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static void a2dp_start_discovering_seps(avdtp_connection_t * connection){
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connection->a2dp_source_config_process.state = A2DP_DISCOVER_SEPS;
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connection->a2dp_source_config_process.discover_seps = false;
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a2dp_source_sep_discovery_index = 0;
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a2dp_source_sep_discovery_count = 0;
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memset(a2dp_source_sep_discovery_seps, 0, sizeof(avdtp_sep_t) * AVDTP_MAX_SEP_NUM);
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a2dp_source_sep_discovery_cid = connection->avdtp_cid;
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// if we initiated the connection, start config right away, else wait a bit to give remote a chance to do it first
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if (connection->a2dp_source_config_process.outgoing_active){
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log_info("discover seps");
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avdtp_source_discover_stream_endpoints(connection->avdtp_cid);
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} else {
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log_info("wait a bit, then discover seps");
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a2dp_source_set_config_timer_start(connection->avdtp_cid);
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}
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}
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static void a2dp_discover_seps_with_next_waiting_connection(void){
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btstack_assert(a2dp_source_sep_discovery_cid == 0);
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btstack_linked_list_iterator_t it;
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btstack_linked_list_iterator_init(&it, avdtp_get_connections());
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while (btstack_linked_list_iterator_has_next(&it)){
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avdtp_connection_t * next_connection = (avdtp_connection_t *)btstack_linked_list_iterator_next(&it);
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if (!next_connection->a2dp_source_config_process.discover_seps) continue;
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a2dp_start_discovering_seps(next_connection);
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}
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}
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void a2dp_source_ready_for_sep_discovery(avdtp_connection_t * connection){
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// start discover seps now if:
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// - outgoing active: signaling for outgoing connection
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// - outgoing not active: incoming connection and no sep discover ongoing
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// sep discovery active?
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if (a2dp_source_sep_discovery_cid == 0){
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a2dp_start_discovering_seps(connection);
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} else {
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// post-pone sep discovery
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connection->a2dp_source_config_process.discover_seps = true;
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}
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}
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static void a2dp_handle_received_configuration(const uint8_t *packet, uint8_t local_seid) {
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uint16_t cid = avdtp_subevent_signaling_media_codec_sbc_configuration_get_avdtp_cid(packet);
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avdtp_connection_t *avdtp_connection = avdtp_get_connection_for_avdtp_cid(cid);
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btstack_assert(avdtp_connection != NULL);
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avdtp_connection->a2dp_source_config_process.local_stream_endpoint = avdtp_get_stream_endpoint_for_seid(local_seid);
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// bail out if local seid invalid
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if (!avdtp_connection->a2dp_source_config_process.local_stream_endpoint) return;
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// stop timer
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if (a2dp_source_sep_discovery_cid == cid) {
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a2dp_source_set_config_timer_stop();
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a2dp_source_sep_discovery_cid = 0;
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}
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avdtp_connection->a2dp_source_config_process.stream_endpoint_configured = true;
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switch (avdtp_connection->a2dp_source_config_process.state) {
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case A2DP_W4_SET_CONFIGURATION:
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// outgoing: discovery and config of remote sink sep successful, trigger stream open
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avdtp_connection->a2dp_source_config_process.state = A2DP_W2_OPEN_STREAM_WITH_SEID;
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break;
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case A2DP_DISCOVER_SEPS:
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case A2DP_GET_CAPABILITIES:
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case A2DP_W2_GET_ALL_CAPABILITIES:
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case A2DP_DISCOVERY_DONE:
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case A2DP_W4_GET_CONFIGURATION:
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// incoming: wait for stream open
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avdtp_connection->a2dp_source_config_process.state = A2DP_W4_OPEN_STREAM_WITH_SEID;
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break;
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default:
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// wait for configuration after sending reconfigure - keep state
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break;
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}
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}
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static void a2dp_source_set_config(avdtp_connection_t * connection){
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uint8_t remote_seid = connection->a2dp_source_config_process.local_stream_endpoint->set_config_remote_seid;
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log_info("A2DP initiate set configuration locally and wait for response ... local seid 0x%02x, remote seid 0x%02x",
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avdtp_stream_endpoint_seid(connection->a2dp_source_config_process.local_stream_endpoint), remote_seid);
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connection->a2dp_source_config_process.state = A2DP_W4_SET_CONFIGURATION;
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avdtp_source_set_configuration(connection->avdtp_cid,
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avdtp_stream_endpoint_seid(connection->a2dp_source_config_process.local_stream_endpoint),
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remote_seid,
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connection->a2dp_source_config_process.local_stream_endpoint->remote_configuration_bitmap,
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connection->a2dp_source_config_process.local_stream_endpoint->remote_configuration);
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}
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static void a2dp_source_handle_media_capability(uint16_t cid, uint8_t a2dp_subevent_id, uint8_t *packet, uint16_t size){
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avdtp_connection_t * connection = avdtp_get_connection_for_avdtp_cid(cid);
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btstack_assert(connection != NULL);
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if (connection->a2dp_source_config_process.state != A2DP_GET_CAPABILITIES) return;
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a2dp_replace_subevent_id_and_emit_source(packet, size, a2dp_subevent_id);
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}
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uint8_t a2dp_source_config_init(avdtp_connection_t *connection, uint8_t local_seid, uint8_t remote_seid,
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avdtp_media_codec_type_t codec_type) {
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// check state
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switch (connection->a2dp_source_config_process.state){
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case A2DP_DISCOVERY_DONE:
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case A2DP_GET_CAPABILITIES:
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break;
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default:
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return ERROR_CODE_COMMAND_DISALLOWED;
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}
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// lookup local stream endpoint
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avdtp_stream_endpoint_t * stream_endpoint = avdtp_get_stream_endpoint_for_seid(local_seid);
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if (stream_endpoint == NULL){
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return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
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}
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// lookup remote stream endpoint
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avdtp_sep_t * remote_sep = NULL;
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uint8_t i;
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for (i=0; i < a2dp_source_sep_discovery_count; i++){
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if (a2dp_source_sep_discovery_seps[i].seid == remote_seid){
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remote_sep = &a2dp_source_sep_discovery_seps[i];
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}
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}
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if (remote_sep == NULL){
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return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
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}
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// set media configuration
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stream_endpoint->remote_configuration_bitmap = store_bit16(stream_endpoint->remote_configuration_bitmap, AVDTP_MEDIA_CODEC, 1);
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stream_endpoint->remote_configuration.media_codec.media_type = AVDTP_AUDIO;
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stream_endpoint->remote_configuration.media_codec.media_codec_type = codec_type;
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// remote seid to use
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stream_endpoint->set_config_remote_seid = remote_seid;
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// enable delay reporting if supported
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if (remote_sep->registered_service_categories & (1<<AVDTP_DELAY_REPORTING)){
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stream_endpoint->remote_configuration_bitmap = store_bit16(stream_endpoint->remote_configuration_bitmap, AVDTP_DELAY_REPORTING, 1);
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}
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// suitable Sink stream endpoint found, configure it
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connection->a2dp_source_config_process.local_stream_endpoint = stream_endpoint;
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connection->a2dp_source_config_process.have_config = true;
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#ifdef ENABLE_A2DP_SOURCE_EXPLICIT_CONFIG
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// continue outgoing configuration
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if (connection->a2dp_source_state == A2DP_DISCOVERY_DONE){
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connection->a2dp_source_state = A2DP_SET_CONFIGURATION;
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}
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#endif
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return ERROR_CODE_SUCCESS;
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}
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void a2dp_source_config_process_avdtp_event_handler(uint8_t *packet, uint16_t size) {
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uint16_t cid;
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avdtp_connection_t * connection;
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uint8_t signal_identifier;
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uint8_t status;
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uint8_t local_seid;
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uint8_t remote_seid;
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switch (hci_event_avdtp_meta_get_subevent_code(packet)){
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case AVDTP_SUBEVENT_SIGNALING_CONNECTION_ESTABLISHED:
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cid = avdtp_subevent_signaling_connection_established_get_avdtp_cid(packet);
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connection = avdtp_get_connection_for_avdtp_cid(cid);
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btstack_assert(connection != NULL);
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status = avdtp_subevent_signaling_connection_established_get_status(packet);
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if (status != ERROR_CODE_SUCCESS){
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// notify about connection error only if we're initiator
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if (connection->a2dp_source_config_process.outgoing_active){
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log_info("A2DP source signaling connection failed status 0x%02x", status);
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connection->a2dp_source_config_process.outgoing_active = false;
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a2dp_replace_subevent_id_and_emit_source(packet, size, A2DP_SUBEVENT_SIGNALING_CONNECTION_ESTABLISHED);
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}
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break;
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}
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log_info("A2DP source signaling connection established avdtp_cid 0x%02x", cid);
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connection->a2dp_source_config_process.state = A2DP_CONNECTED;
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// notify app
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a2dp_replace_subevent_id_and_emit_source(packet, size, A2DP_SUBEVENT_SIGNALING_CONNECTION_ESTABLISHED);
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// Windows 10 as Source starts SEP discovery after 1500 ms, but only if it did not get a Discover command
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// If BTstack is configured for both roles, we need to avoid sending Discover command in Source Role for outgoing Sink connections
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// For this, we trigger SDP query only if:
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// a) this is an outgoing source connection
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// b) this connection wasn't caused by an outgoing sink request
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if (connection->a2dp_source_config_process.outgoing_active || !connection->a2dp_sink_config_process.outgoing_active){
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a2dp_source_ready_for_sep_discovery(connection);
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}
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break;
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case AVDTP_SUBEVENT_SIGNALING_SEP_FOUND:
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cid = avdtp_subevent_signaling_sep_found_get_avdtp_cid(packet);
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connection = avdtp_get_connection_for_avdtp_cid(cid);
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btstack_assert(connection != NULL);
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if (connection->a2dp_source_config_process.state == A2DP_DISCOVER_SEPS) {
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avdtp_sep_t sep;
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memset(&sep, 0, sizeof(avdtp_sep_t));
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sep.seid = avdtp_subevent_signaling_sep_found_get_remote_seid(packet);;
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sep.in_use = avdtp_subevent_signaling_sep_found_get_in_use(packet);
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sep.media_type = (avdtp_media_type_t) avdtp_subevent_signaling_sep_found_get_media_type(packet);
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sep.type = (avdtp_sep_type_t) avdtp_subevent_signaling_sep_found_get_sep_type(packet);
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log_info("A2DP Found sep: remote seid 0x%02x, in_use %d, media type %d, sep type %s, index %d",
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sep.seid, sep.in_use, sep.media_type, sep.type == AVDTP_SOURCE ? "source" : "sink",
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a2dp_source_sep_discovery_count);
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if ((sep.type == AVDTP_SINK) && (sep.in_use == false)) {
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a2dp_source_sep_discovery_seps[a2dp_source_sep_discovery_count++] = sep;
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}
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}
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break;
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case AVDTP_SUBEVENT_SIGNALING_SEP_DICOVERY_DONE:
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cid = avdtp_subevent_signaling_sep_dicovery_done_get_avdtp_cid(packet);
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connection = avdtp_get_connection_for_avdtp_cid(cid);
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btstack_assert(connection != NULL);
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if (connection->a2dp_source_config_process.state != A2DP_DISCOVER_SEPS) break;
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if (a2dp_source_sep_discovery_count > 0){
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||||||
|
connection->a2dp_source_config_process.state = A2DP_GET_CAPABILITIES;
|
||||||
|
a2dp_source_sep_discovery_index = 0;
|
||||||
|
connection->a2dp_source_config_process.have_config = false;
|
||||||
|
} else {
|
||||||
|
if (connection->a2dp_source_config_process.outgoing_active){
|
||||||
|
connection->a2dp_source_config_process.outgoing_active = false;
|
||||||
|
connection = avdtp_get_connection_for_avdtp_cid(cid);
|
||||||
|
btstack_assert(connection != NULL);
|
||||||
|
a2dp_emit_source_streaming_connection_failed(connection,
|
||||||
|
ERROR_CODE_CONNECTION_REJECTED_DUE_TO_NO_SUITABLE_CHANNEL_FOUND);
|
||||||
|
}
|
||||||
|
|
||||||
|
// continue
|
||||||
|
connection->a2dp_source_config_process.state = A2DP_CONNECTED;
|
||||||
|
a2dp_source_sep_discovery_cid = 0;
|
||||||
|
a2dp_discover_seps_with_next_waiting_connection();
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CAPABILITY:
|
||||||
|
cid = avdtp_subevent_signaling_media_codec_sbc_capability_get_avdtp_cid(packet);
|
||||||
|
connection = avdtp_get_connection_for_avdtp_cid(cid);
|
||||||
|
btstack_assert(connection != NULL);
|
||||||
|
|
||||||
|
if (connection->a2dp_source_config_process.state != A2DP_GET_CAPABILITIES) break;
|
||||||
|
|
||||||
|
// forward codec capability
|
||||||
|
a2dp_replace_subevent_id_and_emit_source(packet, size, A2DP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CAPABILITY);
|
||||||
|
|
||||||
|
#ifndef ENABLE_A2DP_SOURCE_EXPLICIT_CONFIG
|
||||||
|
// select SEP if none configured yet
|
||||||
|
if (connection->a2dp_source_config_process.have_config == false){
|
||||||
|
// find SBC stream endpoint
|
||||||
|
avdtp_stream_endpoint_t * stream_endpoint = avdtp_get_source_stream_endpoint_for_media_codec(AVDTP_CODEC_SBC);
|
||||||
|
if (stream_endpoint != NULL){
|
||||||
|
// choose SBC config params
|
||||||
|
avdtp_configuration_sbc_t configuration;
|
||||||
|
configuration.sampling_frequency = avdtp_choose_sbc_sampling_frequency(stream_endpoint, avdtp_subevent_signaling_media_codec_sbc_capability_get_sampling_frequency_bitmap(packet));
|
||||||
|
configuration.channel_mode = avdtp_choose_sbc_channel_mode(stream_endpoint, avdtp_subevent_signaling_media_codec_sbc_capability_get_channel_mode_bitmap(packet));
|
||||||
|
configuration.block_length = avdtp_choose_sbc_block_length(stream_endpoint, avdtp_subevent_signaling_media_codec_sbc_capability_get_block_length_bitmap(packet));
|
||||||
|
configuration.subbands = avdtp_choose_sbc_subbands(stream_endpoint, avdtp_subevent_signaling_media_codec_sbc_capability_get_subbands_bitmap(packet));
|
||||||
|
configuration.allocation_method = avdtp_choose_sbc_allocation_method(stream_endpoint, avdtp_subevent_signaling_media_codec_sbc_capability_get_allocation_method_bitmap(packet));
|
||||||
|
configuration.max_bitpool_value = avdtp_choose_sbc_max_bitpool_value(stream_endpoint, avdtp_subevent_signaling_media_codec_sbc_capability_get_max_bitpool_value(packet));
|
||||||
|
configuration.min_bitpool_value = avdtp_choose_sbc_min_bitpool_value(stream_endpoint, avdtp_subevent_signaling_media_codec_sbc_capability_get_min_bitpool_value(packet));
|
||||||
|
|
||||||
|
// and pre-select this endpoint
|
||||||
|
local_seid = avdtp_stream_endpoint_seid(stream_endpoint);
|
||||||
|
remote_seid = avdtp_subevent_signaling_media_codec_sbc_capability_get_remote_seid(packet);
|
||||||
|
a2dp_source_set_config_sbc(cid, local_seid, remote_seid, &configuration);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
break;
|
||||||
|
// forward codec capability
|
||||||
|
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_MPEG_AUDIO_CAPABILITY:
|
||||||
|
cid = avdtp_subevent_signaling_media_codec_mpeg_audio_capability_get_avdtp_cid(packet);
|
||||||
|
a2dp_source_handle_media_capability(cid, A2DP_SUBEVENT_SIGNALING_MEDIA_CODEC_MPEG_AUDIO_CAPABILITY, packet, size);
|
||||||
|
break;
|
||||||
|
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_MPEG_AAC_CAPABILITY:
|
||||||
|
cid = avdtp_subevent_signaling_media_codec_mpeg_aac_capability_get_avdtp_cid(packet);
|
||||||
|
a2dp_source_handle_media_capability(cid, A2DP_SUBEVENT_SIGNALING_MEDIA_CODEC_MPEG_AAC_CAPABILITY, packet, size);
|
||||||
|
break;
|
||||||
|
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_ATRAC_CAPABILITY:
|
||||||
|
cid = avdtp_subevent_signaling_media_codec_atrac_capability_get_avdtp_cid(packet);
|
||||||
|
a2dp_source_handle_media_capability(cid, A2DP_SUBEVENT_SIGNALING_MEDIA_CODEC_ATRAC_CAPABILITY, packet, size);
|
||||||
|
break;
|
||||||
|
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_OTHER_CAPABILITY:
|
||||||
|
cid = avdtp_subevent_signaling_media_codec_other_capability_get_avdtp_cid(packet);
|
||||||
|
a2dp_source_handle_media_capability(cid, A2DP_SUBEVENT_SIGNALING_MEDIA_CODEC_OTHER_CAPABILITY, packet, size);
|
||||||
|
break;
|
||||||
|
|
||||||
|
// not forwarded
|
||||||
|
case AVDTP_SUBEVENT_SIGNALING_MEDIA_TRANSPORT_CAPABILITY:
|
||||||
|
case AVDTP_SUBEVENT_SIGNALING_REPORTING_CAPABILITY:
|
||||||
|
case AVDTP_SUBEVENT_SIGNALING_RECOVERY_CAPABILITY:
|
||||||
|
case AVDTP_SUBEVENT_SIGNALING_CONTENT_PROTECTION_CAPABILITY:
|
||||||
|
case AVDTP_SUBEVENT_SIGNALING_HEADER_COMPRESSION_CAPABILITY:
|
||||||
|
case AVDTP_SUBEVENT_SIGNALING_MULTIPLEXING_CAPABILITY:
|
||||||
|
break;
|
||||||
|
|
||||||
|
case AVDTP_SUBEVENT_SIGNALING_DELAY_REPORTING_CAPABILITY:
|
||||||
|
cid = avdtp_subevent_signaling_delay_reporting_capability_get_avdtp_cid(packet);
|
||||||
|
connection = avdtp_get_connection_for_avdtp_cid(cid);
|
||||||
|
btstack_assert(connection != NULL);
|
||||||
|
log_info("received AVDTP_SUBEVENT_SIGNALING_DELAY_REPORTING_CAPABILITY, cid 0x%02x, state %d", cid, connection->a2dp_source_config_process.state);
|
||||||
|
|
||||||
|
if (connection->a2dp_source_config_process.state != A2DP_GET_CAPABILITIES) break;
|
||||||
|
|
||||||
|
// store delay reporting capability
|
||||||
|
a2dp_source_sep_discovery_seps[a2dp_source_sep_discovery_index].registered_service_categories |= 1 << AVDTP_DELAY_REPORTING;
|
||||||
|
|
||||||
|
a2dp_replace_subevent_id_and_emit_source(packet, size, A2DP_SUBEVENT_SIGNALING_DELAY_REPORTING_CAPABILITY);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case AVDTP_SUBEVENT_SIGNALING_CAPABILITIES_DONE:
|
||||||
|
cid = avdtp_subevent_signaling_capabilities_done_get_avdtp_cid(packet);
|
||||||
|
connection = avdtp_get_connection_for_avdtp_cid(cid);
|
||||||
|
btstack_assert(connection != NULL);
|
||||||
|
|
||||||
|
if (connection->a2dp_source_config_process.state != A2DP_GET_CAPABILITIES) break;
|
||||||
|
|
||||||
|
// forward capabilities done for endpoint
|
||||||
|
a2dp_replace_subevent_id_and_emit_source(packet, size, A2DP_SUBEVENT_SIGNALING_CAPABILITIES_DONE);
|
||||||
|
|
||||||
|
// endpoint was not suitable, check next one
|
||||||
|
a2dp_source_sep_discovery_index++;
|
||||||
|
if (a2dp_source_sep_discovery_index >= a2dp_source_sep_discovery_count){
|
||||||
|
|
||||||
|
// emit 'all capabilities for all seps reported'
|
||||||
|
uint8_t event[6];
|
||||||
|
uint8_t pos = 0;
|
||||||
|
event[pos++] = HCI_EVENT_A2DP_META;
|
||||||
|
event[pos++] = sizeof(event) - 2;
|
||||||
|
event[pos++] = A2DP_SUBEVENT_SIGNALING_CAPABILITIES_COMPLETE;
|
||||||
|
little_endian_store_16(event, pos, cid);
|
||||||
|
a2dp_emit_source(event, sizeof(event));
|
||||||
|
|
||||||
|
// do we have a valid config?
|
||||||
|
if (connection->a2dp_source_config_process.have_config){
|
||||||
|
connection->a2dp_source_config_process.state = A2DP_SET_CONFIGURATION;
|
||||||
|
connection->a2dp_source_config_process.have_config = false;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
#ifdef ENABLE_A2DP_SOURCE_EXPLICIT_CONFIG
|
||||||
|
connection->a2dp_source_state = A2DP_DISCOVERY_DONE;
|
||||||
|
// TODO call a2dp_discover_seps_with_next_waiting_connection?
|
||||||
|
break;
|
||||||
|
#else
|
||||||
|
// we didn't find a suitable SBC stream endpoint, sorry.
|
||||||
|
if (connection->a2dp_source_config_process.outgoing_active){
|
||||||
|
connection->a2dp_source_config_process.outgoing_active = false;
|
||||||
|
connection = avdtp_get_connection_for_avdtp_cid(cid);
|
||||||
|
btstack_assert(connection != NULL);
|
||||||
|
a2dp_emit_source_streaming_connection_failed(connection,
|
||||||
|
ERROR_CODE_CONNECTION_REJECTED_DUE_TO_NO_SUITABLE_CHANNEL_FOUND);
|
||||||
|
}
|
||||||
|
connection->a2dp_source_config_process.state = A2DP_CONNECTED;
|
||||||
|
a2dp_source_sep_discovery_cid = 0;
|
||||||
|
a2dp_discover_seps_with_next_waiting_connection();
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
// forward codec configuration
|
||||||
|
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CONFIGURATION:
|
||||||
|
local_seid = avdtp_subevent_signaling_media_codec_sbc_configuration_get_local_seid(packet);
|
||||||
|
a2dp_handle_received_configuration(packet, local_seid);
|
||||||
|
a2dp_replace_subevent_id_and_emit_source(packet, size,
|
||||||
|
A2DP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CONFIGURATION);
|
||||||
|
break;
|
||||||
|
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_MPEG_AUDIO_CONFIGURATION:
|
||||||
|
local_seid = avdtp_subevent_signaling_media_codec_mpeg_audio_configuration_get_local_seid(packet);
|
||||||
|
a2dp_handle_received_configuration(packet, local_seid);
|
||||||
|
a2dp_replace_subevent_id_and_emit_source(packet, size,
|
||||||
|
A2DP_SUBEVENT_SIGNALING_MEDIA_CODEC_MPEG_AUDIO_CONFIGURATION);
|
||||||
|
break;
|
||||||
|
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_MPEG_AAC_CONFIGURATION:
|
||||||
|
local_seid = avdtp_subevent_signaling_media_codec_mpeg_aac_configuration_get_local_seid(packet);
|
||||||
|
a2dp_handle_received_configuration(packet, local_seid);
|
||||||
|
a2dp_replace_subevent_id_and_emit_source(packet, size,
|
||||||
|
A2DP_SUBEVENT_SIGNALING_MEDIA_CODEC_MPEG_AAC_CONFIGURATION);
|
||||||
|
break;
|
||||||
|
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_ATRAC_CONFIGURATION:
|
||||||
|
local_seid = avdtp_subevent_signaling_media_codec_atrac_configuration_get_local_seid(packet);
|
||||||
|
a2dp_handle_received_configuration(packet, local_seid);
|
||||||
|
a2dp_replace_subevent_id_and_emit_source(packet, size,
|
||||||
|
A2DP_SUBEVENT_SIGNALING_MEDIA_CODEC_ATRAC_CONFIGURATION);
|
||||||
|
break;
|
||||||
|
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_OTHER_CONFIGURATION:
|
||||||
|
local_seid = avdtp_subevent_signaling_media_codec_sbc_configuration_get_local_seid(packet);
|
||||||
|
a2dp_handle_received_configuration(packet, local_seid);
|
||||||
|
a2dp_replace_subevent_id_and_emit_source(packet, size,
|
||||||
|
A2DP_SUBEVENT_SIGNALING_MEDIA_CODEC_OTHER_CONFIGURATION);
|
||||||
|
break;
|
||||||
|
case AVDTP_SUBEVENT_STREAMING_CONNECTION_ESTABLISHED:
|
||||||
|
cid = avdtp_subevent_streaming_connection_established_get_avdtp_cid(packet);
|
||||||
|
connection = avdtp_get_connection_for_avdtp_cid(cid);
|
||||||
|
btstack_assert(connection != NULL);
|
||||||
|
|
||||||
|
if (connection->a2dp_source_config_process.state != A2DP_W4_OPEN_STREAM_WITH_SEID) break;
|
||||||
|
|
||||||
|
connection->a2dp_source_config_process.outgoing_active = false;
|
||||||
|
status = avdtp_subevent_streaming_connection_established_get_status(packet);
|
||||||
|
if (status != ERROR_CODE_SUCCESS){
|
||||||
|
log_info("A2DP source streaming connection could not be established, avdtp_cid 0x%02x, status 0x%02x ---", cid, status);
|
||||||
|
a2dp_replace_subevent_id_and_emit_source(packet, size, A2DP_SUBEVENT_STREAM_ESTABLISHED);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
log_info("A2DP source streaming connection established --- avdtp_cid 0x%02x, local seid 0x%02x, remote seid 0x%02x", cid,
|
||||||
|
avdtp_subevent_streaming_connection_established_get_local_seid(packet),
|
||||||
|
avdtp_subevent_streaming_connection_established_get_remote_seid(packet));
|
||||||
|
connection->a2dp_source_config_process.state = A2DP_STREAMING_OPENED;
|
||||||
|
a2dp_replace_subevent_id_and_emit_source(packet, size, A2DP_SUBEVENT_STREAM_ESTABLISHED);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case AVDTP_SUBEVENT_SIGNALING_ACCEPT:
|
||||||
|
cid = avdtp_subevent_signaling_accept_get_avdtp_cid(packet);
|
||||||
|
connection = avdtp_get_connection_for_avdtp_cid(cid);
|
||||||
|
btstack_assert(connection != NULL);
|
||||||
|
|
||||||
|
// restart set config timer while remote is active for current cid
|
||||||
|
if (a2dp_source_set_config_timer_active &&
|
||||||
|
(avdtp_subevent_signaling_accept_get_is_initiator(packet) == 0) &&
|
||||||
|
(cid == a2dp_source_sep_discovery_cid)){
|
||||||
|
|
||||||
|
a2dp_source_set_config_timer_restart();
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
signal_identifier = avdtp_subevent_signaling_accept_get_signal_identifier(packet);
|
||||||
|
|
||||||
|
log_info("A2DP cmd %s accepted, global state %d, cid 0x%02x", avdtp_si2str(signal_identifier), connection->a2dp_source_config_process.state, cid);
|
||||||
|
|
||||||
|
switch (connection->a2dp_source_config_process.state){
|
||||||
|
case A2DP_GET_CAPABILITIES:
|
||||||
|
remote_seid = a2dp_source_sep_discovery_seps[a2dp_source_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;
|
||||||
|
|
||||||
|
case A2DP_SET_CONFIGURATION:
|
||||||
|
a2dp_source_set_config(connection);
|
||||||
|
return;
|
||||||
|
|
||||||
|
case A2DP_W2_OPEN_STREAM_WITH_SEID:
|
||||||
|
log_info("A2DP open stream ... local seid 0x%02x, active remote seid 0x%02x",
|
||||||
|
avdtp_stream_endpoint_seid(connection->a2dp_source_config_process.local_stream_endpoint),
|
||||||
|
connection->a2dp_source_config_process.local_stream_endpoint->remote_sep.seid);
|
||||||
|
connection->a2dp_source_config_process.state = A2DP_W4_OPEN_STREAM_WITH_SEID;
|
||||||
|
avdtp_source_open_stream(cid,
|
||||||
|
avdtp_stream_endpoint_seid(connection->a2dp_source_config_process.local_stream_endpoint),
|
||||||
|
connection->a2dp_source_config_process.local_stream_endpoint->remote_sep.seid);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case A2DP_W2_RECONFIGURE_WITH_SEID:
|
||||||
|
log_info("A2DP reconfigured ... local seid 0x%02x, active remote seid 0x%02x",
|
||||||
|
avdtp_stream_endpoint_seid(connection->a2dp_source_config_process.local_stream_endpoint),
|
||||||
|
connection->a2dp_source_config_process.local_stream_endpoint->remote_sep.seid);
|
||||||
|
a2dp_emit_source_stream_reconfigured(cid, avdtp_stream_endpoint_seid(
|
||||||
|
connection->a2dp_source_config_process.local_stream_endpoint), ERROR_CODE_SUCCESS);
|
||||||
|
connection->a2dp_source_config_process.state = A2DP_STREAMING_OPENED;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case A2DP_STREAMING_OPENED:
|
||||||
|
switch (signal_identifier){
|
||||||
|
case AVDTP_SI_START:
|
||||||
|
a2dp_emit_source_stream_event(cid, avdtp_stream_endpoint_seid(connection->a2dp_source_config_process.local_stream_endpoint),
|
||||||
|
A2DP_SUBEVENT_STREAM_STARTED);
|
||||||
|
break;
|
||||||
|
case AVDTP_SI_SUSPEND:
|
||||||
|
a2dp_emit_source_stream_event(cid, avdtp_stream_endpoint_seid(connection->a2dp_source_config_process.local_stream_endpoint),
|
||||||
|
A2DP_SUBEVENT_STREAM_SUSPENDED);
|
||||||
|
break;
|
||||||
|
case AVDTP_SI_ABORT:
|
||||||
|
case AVDTP_SI_CLOSE:
|
||||||
|
a2dp_emit_source_stream_event(cid, avdtp_stream_endpoint_seid(connection->a2dp_source_config_process.local_stream_endpoint),
|
||||||
|
A2DP_SUBEVENT_STREAM_STOPPED);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
case AVDTP_SUBEVENT_SIGNALING_REJECT:
|
||||||
|
cid = avdtp_subevent_signaling_reject_get_avdtp_cid(packet);
|
||||||
|
connection = avdtp_get_connection_for_avdtp_cid(cid);
|
||||||
|
btstack_assert(connection != NULL);
|
||||||
|
|
||||||
|
if (avdtp_subevent_signaling_reject_get_is_initiator(packet) == 0) break;
|
||||||
|
|
||||||
|
switch (connection->a2dp_source_config_process.state) {
|
||||||
|
case A2DP_W2_RECONFIGURE_WITH_SEID:
|
||||||
|
log_info("A2DP reconfigure failed ... local seid 0x%02x, active remote seid 0x%02x",
|
||||||
|
avdtp_stream_endpoint_seid(connection->a2dp_source_config_process.local_stream_endpoint),
|
||||||
|
connection->a2dp_source_config_process.local_stream_endpoint->remote_sep.seid);
|
||||||
|
a2dp_emit_source_stream_reconfigured(cid, avdtp_stream_endpoint_seid(
|
||||||
|
connection->a2dp_source_config_process.local_stream_endpoint), ERROR_CODE_UNSPECIFIED_ERROR);
|
||||||
|
connection->a2dp_source_config_process.state = A2DP_STREAMING_OPENED;
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
connection->a2dp_source_config_process.state = A2DP_CONNECTED;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
a2dp_replace_subevent_id_and_emit_source(packet, size, A2DP_SUBEVENT_COMMAND_REJECTED);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case AVDTP_SUBEVENT_SIGNALING_GENERAL_REJECT:
|
||||||
|
cid = avdtp_subevent_signaling_general_reject_get_avdtp_cid(packet);
|
||||||
|
connection = avdtp_get_connection_for_avdtp_cid(cid);
|
||||||
|
btstack_assert(connection != NULL);
|
||||||
|
|
||||||
|
if (avdtp_subevent_signaling_general_reject_get_is_initiator(packet) == 0) break;
|
||||||
|
|
||||||
|
connection->a2dp_source_config_process.state = A2DP_CONNECTED;
|
||||||
|
a2dp_replace_subevent_id_and_emit_source(packet, size, A2DP_SUBEVENT_COMMAND_REJECTED);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case AVDTP_SUBEVENT_STREAMING_CONNECTION_RELEASED:
|
||||||
|
cid = avdtp_subevent_streaming_connection_released_get_avdtp_cid(packet);
|
||||||
|
connection = avdtp_get_connection_for_avdtp_cid(cid);
|
||||||
|
btstack_assert(connection != NULL);
|
||||||
|
|
||||||
|
connection->a2dp_source_config_process.state = A2DP_CONFIGURED;
|
||||||
|
a2dp_replace_subevent_id_and_emit_source(packet, size, A2DP_SUBEVENT_STREAM_RELEASED);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case AVDTP_SUBEVENT_SIGNALING_CONNECTION_RELEASED:
|
||||||
|
cid = avdtp_subevent_signaling_connection_released_get_avdtp_cid(packet);
|
||||||
|
connection = avdtp_get_connection_for_avdtp_cid(cid);
|
||||||
|
btstack_assert(connection != NULL);
|
||||||
|
|
||||||
|
// connect/release are passed on to app
|
||||||
|
if (a2dp_source_sep_discovery_cid == cid){
|
||||||
|
a2dp_source_set_config_timer_stop();
|
||||||
|
connection->a2dp_source_config_process.stream_endpoint_configured = false;
|
||||||
|
connection->a2dp_source_config_process.local_stream_endpoint = NULL;
|
||||||
|
|
||||||
|
connection->a2dp_source_config_process.state = A2DP_IDLE;
|
||||||
|
a2dp_source_sep_discovery_cid = 0;
|
||||||
|
}
|
||||||
|
a2dp_replace_subevent_id_and_emit_source(packet, size, A2DP_SUBEVENT_SIGNALING_CONNECTION_RELEASED);
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|||||||
@ -72,6 +72,13 @@ void a2dp_emit_source_streaming_connection_failed(avdtp_connection_t *connection
|
|||||||
|
|
||||||
void a2dp_emit_source_stream_reconfigured(uint16_t cid, uint8_t local_seid, uint8_t status);
|
void a2dp_emit_source_stream_reconfigured(uint16_t cid, uint8_t local_seid, uint8_t status);
|
||||||
|
|
||||||
|
void a2dp_source_ready_for_sep_discovery(avdtp_connection_t * connection);
|
||||||
|
|
||||||
|
uint8_t a2dp_source_config_init(avdtp_connection_t *connection, uint8_t local_seid, uint8_t remote_seid,
|
||||||
|
avdtp_media_codec_type_t codec_type);
|
||||||
|
|
||||||
|
void a2dp_source_config_process_avdtp_event_handler(uint8_t *packet, uint16_t size);
|
||||||
|
|
||||||
#if defined __cplusplus
|
#if defined __cplusplus
|
||||||
}
|
}
|
||||||
#endif
|
#endif
|
||||||
|
|||||||
@ -65,25 +65,11 @@
|
|||||||
#include "l2cap.h"
|
#include "l2cap.h"
|
||||||
#include "a2dp.h"
|
#include "a2dp.h"
|
||||||
|
|
||||||
#define AVDTP_MAX_SEP_NUM 10
|
|
||||||
#define A2DP_SET_CONFIG_DELAY_MS 200
|
|
||||||
|
|
||||||
static const char * a2dp_source_default_service_name = "BTstack A2DP Source Service";
|
static const char * a2dp_source_default_service_name = "BTstack A2DP Source Service";
|
||||||
static const char * a2dp_default_source_service_provider_name = "BTstack A2DP Source Service Provider";
|
static const char * a2dp_default_source_service_provider_name = "BTstack A2DP Source Service Provider";
|
||||||
|
|
||||||
static uint8_t (*a2dp_source_media_config_validator)(const avdtp_stream_endpoint_t * stream_endpoint, const uint8_t * event, uint16_t size);
|
static uint8_t (*a2dp_source_media_config_validator)(const avdtp_stream_endpoint_t * stream_endpoint, const uint8_t * event, uint16_t size);
|
||||||
|
|
||||||
// config process - singletons using sep_discovery_cid is used as mutex
|
|
||||||
static uint16_t a2dp_source_sep_discovery_cid;
|
|
||||||
static uint16_t a2dp_source_sep_discovery_count;
|
|
||||||
static uint16_t a2dp_source_sep_discovery_index;
|
|
||||||
static avdtp_sep_t a2dp_source_sep_discovery_seps[AVDTP_MAX_SEP_NUM];
|
|
||||||
static btstack_timer_source_t a2dp_source_set_config_timer;
|
|
||||||
static bool a2dp_source_set_config_timer_active;
|
|
||||||
|
|
||||||
static void a2dp_source_packet_handler_internal(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size);
|
|
||||||
static void a2dp_discover_seps_with_next_waiting_connection(void);
|
|
||||||
|
|
||||||
void a2dp_source_create_sdp_record(uint8_t * service, uint32_t service_record_handle, uint16_t supported_features, const char * service_name, const char * service_provider_name){
|
void a2dp_source_create_sdp_record(uint8_t * service, uint32_t service_record_handle, uint16_t supported_features, const char * service_name, const char * service_provider_name){
|
||||||
if (service_provider_name == NULL){
|
if (service_provider_name == NULL){
|
||||||
service_provider_name = a2dp_default_source_service_provider_name;
|
service_provider_name = a2dp_default_source_service_provider_name;
|
||||||
@ -95,553 +81,6 @@ void a2dp_source_create_sdp_record(uint8_t * service, uint32_t service_record_ha
|
|||||||
supported_features, service_name, service_provider_name);
|
supported_features, service_name, service_provider_name);
|
||||||
}
|
}
|
||||||
|
|
||||||
static void a2dp_source_set_config_timer_handler(btstack_timer_source_t * timer){
|
|
||||||
uint16_t avdtp_cid = (uint16_t)(uintptr_t) btstack_run_loop_get_timer_context(timer);
|
|
||||||
avdtp_connection_t * connection = avdtp_get_connection_for_avdtp_cid(avdtp_cid);
|
|
||||||
btstack_run_loop_set_timer_context(&a2dp_source_set_config_timer, NULL);
|
|
||||||
a2dp_source_set_config_timer_active = false;
|
|
||||||
|
|
||||||
log_info("Set Config timer fired, avdtp_cid 0x%02x", avdtp_cid);
|
|
||||||
|
|
||||||
if (connection == NULL) {
|
|
||||||
a2dp_discover_seps_with_next_waiting_connection();
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (connection->a2dp_source_config_process.stream_endpoint_configured) return;
|
|
||||||
avdtp_source_discover_stream_endpoints(avdtp_cid);
|
|
||||||
}
|
|
||||||
|
|
||||||
static void a2dp_source_set_config_timer_start(uint16_t avdtp_cid){
|
|
||||||
log_info("Set Config timer start for cid 0%02x", avdtp_cid);
|
|
||||||
a2dp_source_set_config_timer_active = true;
|
|
||||||
btstack_run_loop_remove_timer(&a2dp_source_set_config_timer);
|
|
||||||
btstack_run_loop_set_timer_handler(&a2dp_source_set_config_timer,a2dp_source_set_config_timer_handler);
|
|
||||||
btstack_run_loop_set_timer(&a2dp_source_set_config_timer, A2DP_SET_CONFIG_DELAY_MS);
|
|
||||||
btstack_run_loop_set_timer_context(&a2dp_source_set_config_timer, (void *)(uintptr_t)avdtp_cid);
|
|
||||||
btstack_run_loop_add_timer(&a2dp_source_set_config_timer);
|
|
||||||
}
|
|
||||||
|
|
||||||
static void a2dp_source_set_config_timer_restart(void){
|
|
||||||
log_info("Set Config timer restart");
|
|
||||||
btstack_run_loop_remove_timer(&a2dp_source_set_config_timer);
|
|
||||||
btstack_run_loop_set_timer(&a2dp_source_set_config_timer, A2DP_SET_CONFIG_DELAY_MS);
|
|
||||||
btstack_run_loop_add_timer(&a2dp_source_set_config_timer);
|
|
||||||
}
|
|
||||||
|
|
||||||
static void a2dp_source_set_config_timer_stop(void){
|
|
||||||
if (a2dp_source_set_config_timer_active == false) return;
|
|
||||||
log_info("Set Config timer stop");
|
|
||||||
btstack_run_loop_remove_timer(&a2dp_source_set_config_timer);
|
|
||||||
btstack_run_loop_set_timer_context(&a2dp_source_set_config_timer, NULL);
|
|
||||||
a2dp_source_set_config_timer_active = false;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Discover seps, both incoming and outgoing
|
|
||||||
static void a2dp_start_discovering_seps(avdtp_connection_t * connection){
|
|
||||||
connection->a2dp_source_config_process.state = A2DP_DISCOVER_SEPS;
|
|
||||||
connection->a2dp_source_config_process.discover_seps = false;
|
|
||||||
|
|
||||||
a2dp_source_sep_discovery_index = 0;
|
|
||||||
a2dp_source_sep_discovery_count = 0;
|
|
||||||
memset(a2dp_source_sep_discovery_seps, 0, sizeof(avdtp_sep_t) * AVDTP_MAX_SEP_NUM);
|
|
||||||
a2dp_source_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
|
|
||||||
if (connection->a2dp_source_config_process.outgoing_active){
|
|
||||||
log_info("discover seps");
|
|
||||||
avdtp_source_discover_stream_endpoints(connection->avdtp_cid);
|
|
||||||
} else {
|
|
||||||
log_info("wait a bit, then discover seps");
|
|
||||||
a2dp_source_set_config_timer_start(connection->avdtp_cid);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static void a2dp_discover_seps_with_next_waiting_connection(void){
|
|
||||||
btstack_assert(a2dp_source_sep_discovery_cid == 0);
|
|
||||||
btstack_linked_list_iterator_t it;
|
|
||||||
btstack_linked_list_iterator_init(&it, avdtp_get_connections());
|
|
||||||
while (btstack_linked_list_iterator_has_next(&it)){
|
|
||||||
avdtp_connection_t * next_connection = (avdtp_connection_t *)btstack_linked_list_iterator_next(&it);
|
|
||||||
if (!next_connection->a2dp_source_config_process.discover_seps) continue;
|
|
||||||
a2dp_start_discovering_seps(next_connection);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static void a2dp_source_ready_for_sep_discovery(avdtp_connection_t * connection){
|
|
||||||
// start discover seps now if:
|
|
||||||
// - outgoing active: signaling for outgoing connection
|
|
||||||
// - outgoing not active: incoming connection and no sep discover ongoing
|
|
||||||
|
|
||||||
// sep discovery active?
|
|
||||||
if (a2dp_source_sep_discovery_cid == 0){
|
|
||||||
a2dp_start_discovering_seps(connection);
|
|
||||||
} else {
|
|
||||||
// post-pone sep discovery
|
|
||||||
connection->a2dp_source_config_process.discover_seps = true;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static void a2dp_handle_received_configuration(const uint8_t *packet, uint8_t local_seid) {
|
|
||||||
uint16_t cid = avdtp_subevent_signaling_media_codec_sbc_configuration_get_avdtp_cid(packet);
|
|
||||||
avdtp_connection_t *avdtp_connection = avdtp_get_connection_for_avdtp_cid(cid);
|
|
||||||
btstack_assert(avdtp_connection != NULL);
|
|
||||||
avdtp_connection->a2dp_source_config_process.local_stream_endpoint = avdtp_get_stream_endpoint_for_seid(local_seid);
|
|
||||||
// bail out if local seid invalid
|
|
||||||
if (!avdtp_connection->a2dp_source_config_process.local_stream_endpoint) return;
|
|
||||||
|
|
||||||
// stop timer
|
|
||||||
if (a2dp_source_sep_discovery_cid == cid) {
|
|
||||||
a2dp_source_set_config_timer_stop();
|
|
||||||
a2dp_source_sep_discovery_cid = 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
avdtp_connection->a2dp_source_config_process.stream_endpoint_configured = true;
|
|
||||||
|
|
||||||
switch (avdtp_connection->a2dp_source_config_process.state) {
|
|
||||||
case A2DP_W4_SET_CONFIGURATION:
|
|
||||||
// outgoing: discovery and config of remote sink sep successful, trigger stream open
|
|
||||||
avdtp_connection->a2dp_source_config_process.state = A2DP_W2_OPEN_STREAM_WITH_SEID;
|
|
||||||
break;
|
|
||||||
case A2DP_DISCOVER_SEPS:
|
|
||||||
case A2DP_GET_CAPABILITIES:
|
|
||||||
case A2DP_W2_GET_ALL_CAPABILITIES:
|
|
||||||
case A2DP_DISCOVERY_DONE:
|
|
||||||
case A2DP_W4_GET_CONFIGURATION:
|
|
||||||
// incoming: wait for stream open
|
|
||||||
avdtp_connection->a2dp_source_config_process.state = A2DP_W4_OPEN_STREAM_WITH_SEID;
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
// wait for configuration after sending reconfigure - keep state
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static void a2dp_source_set_config(avdtp_connection_t * connection){
|
|
||||||
uint8_t remote_seid = connection->a2dp_source_config_process.local_stream_endpoint->set_config_remote_seid;
|
|
||||||
log_info("A2DP initiate set configuration locally and wait for response ... local seid 0x%02x, remote seid 0x%02x",
|
|
||||||
avdtp_stream_endpoint_seid(connection->a2dp_source_config_process.local_stream_endpoint), remote_seid);
|
|
||||||
connection->a2dp_source_config_process.state = A2DP_W4_SET_CONFIGURATION;
|
|
||||||
avdtp_source_set_configuration(connection->avdtp_cid,
|
|
||||||
avdtp_stream_endpoint_seid(connection->a2dp_source_config_process.local_stream_endpoint),
|
|
||||||
remote_seid,
|
|
||||||
connection->a2dp_source_config_process.local_stream_endpoint->remote_configuration_bitmap,
|
|
||||||
connection->a2dp_source_config_process.local_stream_endpoint->remote_configuration);
|
|
||||||
}
|
|
||||||
|
|
||||||
static void a2dp_source_handle_media_capability(uint16_t cid, uint8_t a2dp_subevent_id, uint8_t *packet, uint16_t size){
|
|
||||||
avdtp_connection_t * connection = avdtp_get_connection_for_avdtp_cid(cid);
|
|
||||||
btstack_assert(connection != NULL);
|
|
||||||
if (connection->a2dp_source_config_process.state != A2DP_GET_CAPABILITIES) return;
|
|
||||||
a2dp_replace_subevent_id_and_emit_source(packet, size, a2dp_subevent_id);
|
|
||||||
}
|
|
||||||
|
|
||||||
static void a2dp_source_config_process_avdtp_event_handler(uint8_t *packet, uint16_t size) {
|
|
||||||
uint16_t cid;
|
|
||||||
avdtp_connection_t * connection;
|
|
||||||
uint8_t signal_identifier;
|
|
||||||
uint8_t status;
|
|
||||||
uint8_t local_seid;
|
|
||||||
uint8_t remote_seid;
|
|
||||||
|
|
||||||
switch (hci_event_avdtp_meta_get_subevent_code(packet)){
|
|
||||||
case AVDTP_SUBEVENT_SIGNALING_CONNECTION_ESTABLISHED:
|
|
||||||
cid = avdtp_subevent_signaling_connection_established_get_avdtp_cid(packet);
|
|
||||||
connection = avdtp_get_connection_for_avdtp_cid(cid);
|
|
||||||
btstack_assert(connection != NULL);
|
|
||||||
|
|
||||||
status = avdtp_subevent_signaling_connection_established_get_status(packet);
|
|
||||||
if (status != ERROR_CODE_SUCCESS){
|
|
||||||
// notify about connection error only if we're initiator
|
|
||||||
if (connection->a2dp_source_config_process.outgoing_active){
|
|
||||||
log_info("A2DP source signaling connection failed status 0x%02x", status);
|
|
||||||
connection->a2dp_source_config_process.outgoing_active = false;
|
|
||||||
a2dp_replace_subevent_id_and_emit_source(packet, size, A2DP_SUBEVENT_SIGNALING_CONNECTION_ESTABLISHED);
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
log_info("A2DP source signaling connection established avdtp_cid 0x%02x", cid);
|
|
||||||
connection->a2dp_source_config_process.state = A2DP_CONNECTED;
|
|
||||||
|
|
||||||
// notify app
|
|
||||||
a2dp_replace_subevent_id_and_emit_source(packet, size, A2DP_SUBEVENT_SIGNALING_CONNECTION_ESTABLISHED);
|
|
||||||
|
|
||||||
// Windows 10 as Source starts SEP discovery after 1500 ms, but only if it did not get a Discover command
|
|
||||||
// If BTstack is configured for both roles, we need to avoid sending Discover command in Source Role for outgoing Sink connections
|
|
||||||
|
|
||||||
// For this, we trigger SDP query only if:
|
|
||||||
// a) this is an outgoing source connection
|
|
||||||
// b) this connection wasn't caused by an outgoing sink request
|
|
||||||
if (connection->a2dp_source_config_process.outgoing_active || !connection->a2dp_sink_config_process.outgoing_active){
|
|
||||||
a2dp_source_ready_for_sep_discovery(connection);
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
|
|
||||||
case AVDTP_SUBEVENT_SIGNALING_SEP_FOUND:
|
|
||||||
cid = avdtp_subevent_signaling_sep_found_get_avdtp_cid(packet);
|
|
||||||
connection = avdtp_get_connection_for_avdtp_cid(cid);
|
|
||||||
btstack_assert(connection != NULL);
|
|
||||||
|
|
||||||
if (connection->a2dp_source_config_process.state == A2DP_DISCOVER_SEPS) {
|
|
||||||
avdtp_sep_t sep;
|
|
||||||
memset(&sep, 0, sizeof(avdtp_sep_t));
|
|
||||||
sep.seid = avdtp_subevent_signaling_sep_found_get_remote_seid(packet);;
|
|
||||||
sep.in_use = avdtp_subevent_signaling_sep_found_get_in_use(packet);
|
|
||||||
sep.media_type = (avdtp_media_type_t) avdtp_subevent_signaling_sep_found_get_media_type(packet);
|
|
||||||
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",
|
|
||||||
a2dp_source_sep_discovery_count);
|
|
||||||
if ((sep.type == AVDTP_SINK) && (sep.in_use == false)) {
|
|
||||||
a2dp_source_sep_discovery_seps[a2dp_source_sep_discovery_count++] = sep;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
|
|
||||||
case AVDTP_SUBEVENT_SIGNALING_SEP_DICOVERY_DONE:
|
|
||||||
cid = avdtp_subevent_signaling_sep_dicovery_done_get_avdtp_cid(packet);
|
|
||||||
connection = avdtp_get_connection_for_avdtp_cid(cid);
|
|
||||||
btstack_assert(connection != NULL);
|
|
||||||
|
|
||||||
if (connection->a2dp_source_config_process.state != A2DP_DISCOVER_SEPS) break;
|
|
||||||
|
|
||||||
if (a2dp_source_sep_discovery_count > 0){
|
|
||||||
connection->a2dp_source_config_process.state = A2DP_GET_CAPABILITIES;
|
|
||||||
a2dp_source_sep_discovery_index = 0;
|
|
||||||
connection->a2dp_source_config_process.have_config = false;
|
|
||||||
} else {
|
|
||||||
if (connection->a2dp_source_config_process.outgoing_active){
|
|
||||||
connection->a2dp_source_config_process.outgoing_active = false;
|
|
||||||
connection = avdtp_get_connection_for_avdtp_cid(cid);
|
|
||||||
btstack_assert(connection != NULL);
|
|
||||||
a2dp_emit_source_streaming_connection_failed(connection,
|
|
||||||
ERROR_CODE_CONNECTION_REJECTED_DUE_TO_NO_SUITABLE_CHANNEL_FOUND);
|
|
||||||
}
|
|
||||||
|
|
||||||
// continue
|
|
||||||
connection->a2dp_source_config_process.state = A2DP_CONNECTED;
|
|
||||||
a2dp_source_sep_discovery_cid = 0;
|
|
||||||
a2dp_discover_seps_with_next_waiting_connection();
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
|
|
||||||
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CAPABILITY:
|
|
||||||
cid = avdtp_subevent_signaling_media_codec_sbc_capability_get_avdtp_cid(packet);
|
|
||||||
connection = avdtp_get_connection_for_avdtp_cid(cid);
|
|
||||||
btstack_assert(connection != NULL);
|
|
||||||
|
|
||||||
if (connection->a2dp_source_config_process.state != A2DP_GET_CAPABILITIES) break;
|
|
||||||
|
|
||||||
// forward codec capability
|
|
||||||
a2dp_replace_subevent_id_and_emit_source(packet, size, A2DP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CAPABILITY);
|
|
||||||
|
|
||||||
#ifndef ENABLE_A2DP_SOURCE_EXPLICIT_CONFIG
|
|
||||||
// select SEP if none configured yet
|
|
||||||
if (connection->a2dp_source_config_process.have_config == false){
|
|
||||||
// find SBC stream endpoint
|
|
||||||
avdtp_stream_endpoint_t * stream_endpoint = avdtp_get_source_stream_endpoint_for_media_codec(AVDTP_CODEC_SBC);
|
|
||||||
if (stream_endpoint != NULL){
|
|
||||||
// choose SBC config params
|
|
||||||
avdtp_configuration_sbc_t configuration;
|
|
||||||
configuration.sampling_frequency = avdtp_choose_sbc_sampling_frequency(stream_endpoint, avdtp_subevent_signaling_media_codec_sbc_capability_get_sampling_frequency_bitmap(packet));
|
|
||||||
configuration.channel_mode = avdtp_choose_sbc_channel_mode(stream_endpoint, avdtp_subevent_signaling_media_codec_sbc_capability_get_channel_mode_bitmap(packet));
|
|
||||||
configuration.block_length = avdtp_choose_sbc_block_length(stream_endpoint, avdtp_subevent_signaling_media_codec_sbc_capability_get_block_length_bitmap(packet));
|
|
||||||
configuration.subbands = avdtp_choose_sbc_subbands(stream_endpoint, avdtp_subevent_signaling_media_codec_sbc_capability_get_subbands_bitmap(packet));
|
|
||||||
configuration.allocation_method = avdtp_choose_sbc_allocation_method(stream_endpoint, avdtp_subevent_signaling_media_codec_sbc_capability_get_allocation_method_bitmap(packet));
|
|
||||||
configuration.max_bitpool_value = avdtp_choose_sbc_max_bitpool_value(stream_endpoint, avdtp_subevent_signaling_media_codec_sbc_capability_get_max_bitpool_value(packet));
|
|
||||||
configuration.min_bitpool_value = avdtp_choose_sbc_min_bitpool_value(stream_endpoint, avdtp_subevent_signaling_media_codec_sbc_capability_get_min_bitpool_value(packet));
|
|
||||||
|
|
||||||
// and pre-select this endpoint
|
|
||||||
local_seid = avdtp_stream_endpoint_seid(stream_endpoint);
|
|
||||||
remote_seid = avdtp_subevent_signaling_media_codec_sbc_capability_get_remote_seid(packet);
|
|
||||||
a2dp_source_set_config_sbc(cid, local_seid, remote_seid, &configuration);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
break;
|
|
||||||
// forward codec capability
|
|
||||||
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_MPEG_AUDIO_CAPABILITY:
|
|
||||||
cid = avdtp_subevent_signaling_media_codec_mpeg_audio_capability_get_avdtp_cid(packet);
|
|
||||||
a2dp_source_handle_media_capability(cid, A2DP_SUBEVENT_SIGNALING_MEDIA_CODEC_MPEG_AUDIO_CAPABILITY, packet, size);
|
|
||||||
break;
|
|
||||||
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_MPEG_AAC_CAPABILITY:
|
|
||||||
cid = avdtp_subevent_signaling_media_codec_mpeg_aac_capability_get_avdtp_cid(packet);
|
|
||||||
a2dp_source_handle_media_capability(cid, A2DP_SUBEVENT_SIGNALING_MEDIA_CODEC_MPEG_AAC_CAPABILITY, packet, size);
|
|
||||||
break;
|
|
||||||
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_ATRAC_CAPABILITY:
|
|
||||||
cid = avdtp_subevent_signaling_media_codec_atrac_capability_get_avdtp_cid(packet);
|
|
||||||
a2dp_source_handle_media_capability(cid, A2DP_SUBEVENT_SIGNALING_MEDIA_CODEC_ATRAC_CAPABILITY, packet, size);
|
|
||||||
break;
|
|
||||||
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_OTHER_CAPABILITY:
|
|
||||||
cid = avdtp_subevent_signaling_media_codec_other_capability_get_avdtp_cid(packet);
|
|
||||||
a2dp_source_handle_media_capability(cid, A2DP_SUBEVENT_SIGNALING_MEDIA_CODEC_OTHER_CAPABILITY, packet, size);
|
|
||||||
break;
|
|
||||||
|
|
||||||
// not forwarded
|
|
||||||
case AVDTP_SUBEVENT_SIGNALING_MEDIA_TRANSPORT_CAPABILITY:
|
|
||||||
case AVDTP_SUBEVENT_SIGNALING_REPORTING_CAPABILITY:
|
|
||||||
case AVDTP_SUBEVENT_SIGNALING_RECOVERY_CAPABILITY:
|
|
||||||
case AVDTP_SUBEVENT_SIGNALING_CONTENT_PROTECTION_CAPABILITY:
|
|
||||||
case AVDTP_SUBEVENT_SIGNALING_HEADER_COMPRESSION_CAPABILITY:
|
|
||||||
case AVDTP_SUBEVENT_SIGNALING_MULTIPLEXING_CAPABILITY:
|
|
||||||
break;
|
|
||||||
|
|
||||||
case AVDTP_SUBEVENT_SIGNALING_DELAY_REPORTING_CAPABILITY:
|
|
||||||
cid = avdtp_subevent_signaling_delay_reporting_capability_get_avdtp_cid(packet);
|
|
||||||
connection = avdtp_get_connection_for_avdtp_cid(cid);
|
|
||||||
btstack_assert(connection != NULL);
|
|
||||||
log_info("received AVDTP_SUBEVENT_SIGNALING_DELAY_REPORTING_CAPABILITY, cid 0x%02x, state %d", cid, connection->a2dp_source_config_process.state);
|
|
||||||
|
|
||||||
if (connection->a2dp_source_config_process.state != A2DP_GET_CAPABILITIES) break;
|
|
||||||
|
|
||||||
// store delay reporting capability
|
|
||||||
a2dp_source_sep_discovery_seps[a2dp_source_sep_discovery_index].registered_service_categories |= 1 << AVDTP_DELAY_REPORTING;
|
|
||||||
|
|
||||||
a2dp_replace_subevent_id_and_emit_source(packet, size, A2DP_SUBEVENT_SIGNALING_DELAY_REPORTING_CAPABILITY);
|
|
||||||
break;
|
|
||||||
|
|
||||||
case AVDTP_SUBEVENT_SIGNALING_CAPABILITIES_DONE:
|
|
||||||
cid = avdtp_subevent_signaling_capabilities_done_get_avdtp_cid(packet);
|
|
||||||
connection = avdtp_get_connection_for_avdtp_cid(cid);
|
|
||||||
btstack_assert(connection != NULL);
|
|
||||||
|
|
||||||
if (connection->a2dp_source_config_process.state != A2DP_GET_CAPABILITIES) break;
|
|
||||||
|
|
||||||
// forward capabilities done for endpoint
|
|
||||||
a2dp_replace_subevent_id_and_emit_source(packet, size, A2DP_SUBEVENT_SIGNALING_CAPABILITIES_DONE);
|
|
||||||
|
|
||||||
// endpoint was not suitable, check next one
|
|
||||||
a2dp_source_sep_discovery_index++;
|
|
||||||
if (a2dp_source_sep_discovery_index >= a2dp_source_sep_discovery_count){
|
|
||||||
|
|
||||||
// emit 'all capabilities for all seps reported'
|
|
||||||
uint8_t event[6];
|
|
||||||
uint8_t pos = 0;
|
|
||||||
event[pos++] = HCI_EVENT_A2DP_META;
|
|
||||||
event[pos++] = sizeof(event) - 2;
|
|
||||||
event[pos++] = A2DP_SUBEVENT_SIGNALING_CAPABILITIES_COMPLETE;
|
|
||||||
little_endian_store_16(event, pos, cid);
|
|
||||||
a2dp_emit_source(event, sizeof(event));
|
|
||||||
|
|
||||||
// do we have a valid config?
|
|
||||||
if (connection->a2dp_source_config_process.have_config){
|
|
||||||
connection->a2dp_source_config_process.state = A2DP_SET_CONFIGURATION;
|
|
||||||
connection->a2dp_source_config_process.have_config = false;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
#ifdef ENABLE_A2DP_SOURCE_EXPLICIT_CONFIG
|
|
||||||
connection->a2dp_source_state = A2DP_DISCOVERY_DONE;
|
|
||||||
// TODO call a2dp_discover_seps_with_next_waiting_connection?
|
|
||||||
break;
|
|
||||||
#else
|
|
||||||
// we didn't find a suitable SBC stream endpoint, sorry.
|
|
||||||
if (connection->a2dp_source_config_process.outgoing_active){
|
|
||||||
connection->a2dp_source_config_process.outgoing_active = false;
|
|
||||||
connection = avdtp_get_connection_for_avdtp_cid(cid);
|
|
||||||
btstack_assert(connection != NULL);
|
|
||||||
a2dp_emit_source_streaming_connection_failed(connection,
|
|
||||||
ERROR_CODE_CONNECTION_REJECTED_DUE_TO_NO_SUITABLE_CHANNEL_FOUND);
|
|
||||||
}
|
|
||||||
connection->a2dp_source_config_process.state = A2DP_CONNECTED;
|
|
||||||
a2dp_source_sep_discovery_cid = 0;
|
|
||||||
a2dp_discover_seps_with_next_waiting_connection();
|
|
||||||
#endif
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
|
|
||||||
// forward codec configuration
|
|
||||||
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CONFIGURATION:
|
|
||||||
local_seid = avdtp_subevent_signaling_media_codec_sbc_configuration_get_local_seid(packet);
|
|
||||||
a2dp_handle_received_configuration(packet, local_seid);
|
|
||||||
a2dp_replace_subevent_id_and_emit_source(packet, size,
|
|
||||||
A2DP_SUBEVENT_SIGNALING_MEDIA_CODEC_SBC_CONFIGURATION);
|
|
||||||
break;
|
|
||||||
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_MPEG_AUDIO_CONFIGURATION:
|
|
||||||
local_seid = avdtp_subevent_signaling_media_codec_mpeg_audio_configuration_get_local_seid(packet);
|
|
||||||
a2dp_handle_received_configuration(packet, local_seid);
|
|
||||||
a2dp_replace_subevent_id_and_emit_source(packet, size,
|
|
||||||
A2DP_SUBEVENT_SIGNALING_MEDIA_CODEC_MPEG_AUDIO_CONFIGURATION);
|
|
||||||
break;
|
|
||||||
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_MPEG_AAC_CONFIGURATION:
|
|
||||||
local_seid = avdtp_subevent_signaling_media_codec_mpeg_aac_configuration_get_local_seid(packet);
|
|
||||||
a2dp_handle_received_configuration(packet, local_seid);
|
|
||||||
a2dp_replace_subevent_id_and_emit_source(packet, size,
|
|
||||||
A2DP_SUBEVENT_SIGNALING_MEDIA_CODEC_MPEG_AAC_CONFIGURATION);
|
|
||||||
break;
|
|
||||||
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_ATRAC_CONFIGURATION:
|
|
||||||
local_seid = avdtp_subevent_signaling_media_codec_atrac_configuration_get_local_seid(packet);
|
|
||||||
a2dp_handle_received_configuration(packet, local_seid);
|
|
||||||
a2dp_replace_subevent_id_and_emit_source(packet, size,
|
|
||||||
A2DP_SUBEVENT_SIGNALING_MEDIA_CODEC_ATRAC_CONFIGURATION);
|
|
||||||
break;
|
|
||||||
case AVDTP_SUBEVENT_SIGNALING_MEDIA_CODEC_OTHER_CONFIGURATION:
|
|
||||||
local_seid = avdtp_subevent_signaling_media_codec_sbc_configuration_get_local_seid(packet);
|
|
||||||
a2dp_handle_received_configuration(packet, local_seid);
|
|
||||||
a2dp_replace_subevent_id_and_emit_source(packet, size,
|
|
||||||
A2DP_SUBEVENT_SIGNALING_MEDIA_CODEC_OTHER_CONFIGURATION);
|
|
||||||
break;
|
|
||||||
case AVDTP_SUBEVENT_STREAMING_CONNECTION_ESTABLISHED:
|
|
||||||
cid = avdtp_subevent_streaming_connection_established_get_avdtp_cid(packet);
|
|
||||||
connection = avdtp_get_connection_for_avdtp_cid(cid);
|
|
||||||
btstack_assert(connection != NULL);
|
|
||||||
|
|
||||||
if (connection->a2dp_source_config_process.state != A2DP_W4_OPEN_STREAM_WITH_SEID) break;
|
|
||||||
|
|
||||||
connection->a2dp_source_config_process.outgoing_active = false;
|
|
||||||
status = avdtp_subevent_streaming_connection_established_get_status(packet);
|
|
||||||
if (status != ERROR_CODE_SUCCESS){
|
|
||||||
log_info("A2DP source streaming connection could not be established, avdtp_cid 0x%02x, status 0x%02x ---", cid, status);
|
|
||||||
a2dp_replace_subevent_id_and_emit_source(packet, size, A2DP_SUBEVENT_STREAM_ESTABLISHED);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
log_info("A2DP source streaming connection established --- avdtp_cid 0x%02x, local seid 0x%02x, remote seid 0x%02x", cid,
|
|
||||||
avdtp_subevent_streaming_connection_established_get_local_seid(packet),
|
|
||||||
avdtp_subevent_streaming_connection_established_get_remote_seid(packet));
|
|
||||||
connection->a2dp_source_config_process.state = A2DP_STREAMING_OPENED;
|
|
||||||
a2dp_replace_subevent_id_and_emit_source(packet, size, A2DP_SUBEVENT_STREAM_ESTABLISHED);
|
|
||||||
break;
|
|
||||||
|
|
||||||
case AVDTP_SUBEVENT_SIGNALING_ACCEPT:
|
|
||||||
cid = avdtp_subevent_signaling_accept_get_avdtp_cid(packet);
|
|
||||||
connection = avdtp_get_connection_for_avdtp_cid(cid);
|
|
||||||
btstack_assert(connection != NULL);
|
|
||||||
|
|
||||||
// restart set config timer while remote is active for current cid
|
|
||||||
if (a2dp_source_set_config_timer_active &&
|
|
||||||
(avdtp_subevent_signaling_accept_get_is_initiator(packet) == 0) &&
|
|
||||||
(cid == a2dp_source_sep_discovery_cid)){
|
|
||||||
|
|
||||||
a2dp_source_set_config_timer_restart();
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
signal_identifier = avdtp_subevent_signaling_accept_get_signal_identifier(packet);
|
|
||||||
|
|
||||||
log_info("A2DP cmd %s accepted, global state %d, cid 0x%02x", avdtp_si2str(signal_identifier), connection->a2dp_source_config_process.state, cid);
|
|
||||||
|
|
||||||
switch (connection->a2dp_source_config_process.state){
|
|
||||||
case A2DP_GET_CAPABILITIES:
|
|
||||||
remote_seid = a2dp_source_sep_discovery_seps[a2dp_source_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;
|
|
||||||
|
|
||||||
case A2DP_SET_CONFIGURATION:
|
|
||||||
a2dp_source_set_config(connection);
|
|
||||||
return;
|
|
||||||
|
|
||||||
case A2DP_W2_OPEN_STREAM_WITH_SEID:
|
|
||||||
log_info("A2DP open stream ... local seid 0x%02x, active remote seid 0x%02x",
|
|
||||||
avdtp_stream_endpoint_seid(connection->a2dp_source_config_process.local_stream_endpoint),
|
|
||||||
connection->a2dp_source_config_process.local_stream_endpoint->remote_sep.seid);
|
|
||||||
connection->a2dp_source_config_process.state = A2DP_W4_OPEN_STREAM_WITH_SEID;
|
|
||||||
avdtp_source_open_stream(cid,
|
|
||||||
avdtp_stream_endpoint_seid(connection->a2dp_source_config_process.local_stream_endpoint),
|
|
||||||
connection->a2dp_source_config_process.local_stream_endpoint->remote_sep.seid);
|
|
||||||
break;
|
|
||||||
|
|
||||||
case A2DP_W2_RECONFIGURE_WITH_SEID:
|
|
||||||
log_info("A2DP reconfigured ... local seid 0x%02x, active remote seid 0x%02x",
|
|
||||||
avdtp_stream_endpoint_seid(connection->a2dp_source_config_process.local_stream_endpoint),
|
|
||||||
connection->a2dp_source_config_process.local_stream_endpoint->remote_sep.seid);
|
|
||||||
a2dp_emit_source_stream_reconfigured(cid, avdtp_stream_endpoint_seid(
|
|
||||||
connection->a2dp_source_config_process.local_stream_endpoint), ERROR_CODE_SUCCESS);
|
|
||||||
connection->a2dp_source_config_process.state = A2DP_STREAMING_OPENED;
|
|
||||||
break;
|
|
||||||
|
|
||||||
case A2DP_STREAMING_OPENED:
|
|
||||||
switch (signal_identifier){
|
|
||||||
case AVDTP_SI_START:
|
|
||||||
a2dp_emit_source_stream_event(cid, avdtp_stream_endpoint_seid(connection->a2dp_source_config_process.local_stream_endpoint),
|
|
||||||
A2DP_SUBEVENT_STREAM_STARTED);
|
|
||||||
break;
|
|
||||||
case AVDTP_SI_SUSPEND:
|
|
||||||
a2dp_emit_source_stream_event(cid, avdtp_stream_endpoint_seid(connection->a2dp_source_config_process.local_stream_endpoint),
|
|
||||||
A2DP_SUBEVENT_STREAM_SUSPENDED);
|
|
||||||
break;
|
|
||||||
case AVDTP_SI_ABORT:
|
|
||||||
case AVDTP_SI_CLOSE:
|
|
||||||
a2dp_emit_source_stream_event(cid, avdtp_stream_endpoint_seid(connection->a2dp_source_config_process.local_stream_endpoint),
|
|
||||||
A2DP_SUBEVENT_STREAM_STOPPED);
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
|
|
||||||
default:
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
|
|
||||||
case AVDTP_SUBEVENT_SIGNALING_REJECT:
|
|
||||||
cid = avdtp_subevent_signaling_reject_get_avdtp_cid(packet);
|
|
||||||
connection = avdtp_get_connection_for_avdtp_cid(cid);
|
|
||||||
btstack_assert(connection != NULL);
|
|
||||||
|
|
||||||
if (avdtp_subevent_signaling_reject_get_is_initiator(packet) == 0) break;
|
|
||||||
|
|
||||||
switch (connection->a2dp_source_config_process.state) {
|
|
||||||
case A2DP_W2_RECONFIGURE_WITH_SEID:
|
|
||||||
log_info("A2DP reconfigure failed ... local seid 0x%02x, active remote seid 0x%02x",
|
|
||||||
avdtp_stream_endpoint_seid(connection->a2dp_source_config_process.local_stream_endpoint),
|
|
||||||
connection->a2dp_source_config_process.local_stream_endpoint->remote_sep.seid);
|
|
||||||
a2dp_emit_source_stream_reconfigured(cid, avdtp_stream_endpoint_seid(
|
|
||||||
connection->a2dp_source_config_process.local_stream_endpoint), ERROR_CODE_UNSPECIFIED_ERROR);
|
|
||||||
connection->a2dp_source_config_process.state = A2DP_STREAMING_OPENED;
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
connection->a2dp_source_config_process.state = A2DP_CONNECTED;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
a2dp_replace_subevent_id_and_emit_source(packet, size, A2DP_SUBEVENT_COMMAND_REJECTED);
|
|
||||||
break;
|
|
||||||
|
|
||||||
case AVDTP_SUBEVENT_SIGNALING_GENERAL_REJECT:
|
|
||||||
cid = avdtp_subevent_signaling_general_reject_get_avdtp_cid(packet);
|
|
||||||
connection = avdtp_get_connection_for_avdtp_cid(cid);
|
|
||||||
btstack_assert(connection != NULL);
|
|
||||||
|
|
||||||
if (avdtp_subevent_signaling_general_reject_get_is_initiator(packet) == 0) break;
|
|
||||||
|
|
||||||
connection->a2dp_source_config_process.state = A2DP_CONNECTED;
|
|
||||||
a2dp_replace_subevent_id_and_emit_source(packet, size, A2DP_SUBEVENT_COMMAND_REJECTED);
|
|
||||||
break;
|
|
||||||
|
|
||||||
case AVDTP_SUBEVENT_STREAMING_CONNECTION_RELEASED:
|
|
||||||
cid = avdtp_subevent_streaming_connection_released_get_avdtp_cid(packet);
|
|
||||||
connection = avdtp_get_connection_for_avdtp_cid(cid);
|
|
||||||
btstack_assert(connection != NULL);
|
|
||||||
|
|
||||||
connection->a2dp_source_config_process.state = A2DP_CONFIGURED;
|
|
||||||
a2dp_replace_subevent_id_and_emit_source(packet, size, A2DP_SUBEVENT_STREAM_RELEASED);
|
|
||||||
break;
|
|
||||||
|
|
||||||
case AVDTP_SUBEVENT_SIGNALING_CONNECTION_RELEASED:
|
|
||||||
cid = avdtp_subevent_signaling_connection_released_get_avdtp_cid(packet);
|
|
||||||
connection = avdtp_get_connection_for_avdtp_cid(cid);
|
|
||||||
btstack_assert(connection != NULL);
|
|
||||||
|
|
||||||
// connect/release are passed on to app
|
|
||||||
if (a2dp_source_sep_discovery_cid == cid){
|
|
||||||
a2dp_source_set_config_timer_stop();
|
|
||||||
connection->a2dp_source_config_process.stream_endpoint_configured = false;
|
|
||||||
connection->a2dp_source_config_process.local_stream_endpoint = NULL;
|
|
||||||
|
|
||||||
connection->a2dp_source_config_process.state = A2DP_IDLE;
|
|
||||||
a2dp_source_sep_discovery_cid = 0;
|
|
||||||
}
|
|
||||||
a2dp_replace_subevent_id_and_emit_source(packet, size, A2DP_SUBEVENT_SIGNALING_CONNECTION_RELEASED);
|
|
||||||
break;
|
|
||||||
|
|
||||||
default:
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static void a2dp_source_packet_handler_internal(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
|
static void a2dp_source_packet_handler_internal(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
|
||||||
UNUSED(channel);
|
UNUSED(channel);
|
||||||
UNUSED(size);
|
UNUSED(size);
|
||||||
@ -681,7 +120,6 @@ void a2dp_source_deinit(void){
|
|||||||
a2dp_deinit();
|
a2dp_deinit();
|
||||||
avdtp_source_deinit();
|
avdtp_source_deinit();
|
||||||
a2dp_source_media_config_validator = NULL;
|
a2dp_source_media_config_validator = NULL;
|
||||||
a2dp_source_sep_discovery_cid = 0;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
avdtp_stream_endpoint_t * a2dp_source_create_stream_endpoint(avdtp_media_type_t media_type, avdtp_media_codec_type_t media_codec_type,
|
avdtp_stream_endpoint_t * a2dp_source_create_stream_endpoint(avdtp_media_type_t media_type, avdtp_media_codec_type_t media_codec_type,
|
||||||
@ -753,7 +191,6 @@ uint8_t a2dp_source_disconnect(uint16_t avdtp_cid){
|
|||||||
return avdtp_disconnect(avdtp_cid);
|
return avdtp_disconnect(avdtp_cid);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
uint8_t a2dp_source_start_stream(uint16_t avdtp_cid, uint8_t local_seid){
|
uint8_t a2dp_source_start_stream(uint16_t avdtp_cid, uint8_t local_seid){
|
||||||
return avdtp_start_stream(avdtp_cid, local_seid);
|
return avdtp_start_stream(avdtp_cid, local_seid);
|
||||||
}
|
}
|
||||||
@ -782,60 +219,6 @@ uint8_t a2dp_source_stream_send_media_packet(uint16_t a2dp_cid, uint8_t local_se
|
|||||||
return avdtp_source_stream_send_media_packet(a2dp_cid, local_seid, packet, size);
|
return avdtp_source_stream_send_media_packet(a2dp_cid, local_seid, packet, size);
|
||||||
}
|
}
|
||||||
|
|
||||||
static uint8_t a2dp_source_config_init(avdtp_connection_t *connection, uint8_t local_seid, uint8_t remote_seid,
|
|
||||||
avdtp_media_codec_type_t codec_type) {
|
|
||||||
|
|
||||||
// check state
|
|
||||||
switch (connection->a2dp_source_config_process.state){
|
|
||||||
case A2DP_DISCOVERY_DONE:
|
|
||||||
case A2DP_GET_CAPABILITIES:
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
return ERROR_CODE_COMMAND_DISALLOWED;
|
|
||||||
}
|
|
||||||
|
|
||||||
// lookup local stream endpoint
|
|
||||||
avdtp_stream_endpoint_t * stream_endpoint = avdtp_get_stream_endpoint_for_seid(local_seid);
|
|
||||||
if (stream_endpoint == NULL){
|
|
||||||
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
||||||
}
|
|
||||||
|
|
||||||
// lookup remote stream endpoint
|
|
||||||
avdtp_sep_t * remote_sep = NULL;
|
|
||||||
uint8_t i;
|
|
||||||
for (i=0; i < a2dp_source_sep_discovery_count; i++){
|
|
||||||
if (a2dp_source_sep_discovery_seps[i].seid == remote_seid){
|
|
||||||
remote_sep = &a2dp_source_sep_discovery_seps[i];
|
|
||||||
}
|
|
||||||
}
|
|
||||||
if (remote_sep == NULL){
|
|
||||||
return ERROR_CODE_UNKNOWN_CONNECTION_IDENTIFIER;
|
|
||||||
}
|
|
||||||
|
|
||||||
// set media configuration
|
|
||||||
stream_endpoint->remote_configuration_bitmap = store_bit16(stream_endpoint->remote_configuration_bitmap, AVDTP_MEDIA_CODEC, 1);
|
|
||||||
stream_endpoint->remote_configuration.media_codec.media_type = AVDTP_AUDIO;
|
|
||||||
stream_endpoint->remote_configuration.media_codec.media_codec_type = codec_type;
|
|
||||||
// remote seid to use
|
|
||||||
stream_endpoint->set_config_remote_seid = remote_seid;
|
|
||||||
// enable delay reporting if supported
|
|
||||||
if (remote_sep->registered_service_categories & (1<<AVDTP_DELAY_REPORTING)){
|
|
||||||
stream_endpoint->remote_configuration_bitmap = store_bit16(stream_endpoint->remote_configuration_bitmap, AVDTP_DELAY_REPORTING, 1);
|
|
||||||
}
|
|
||||||
|
|
||||||
// suitable Sink stream endpoint found, configure it
|
|
||||||
connection->a2dp_source_config_process.local_stream_endpoint = stream_endpoint;
|
|
||||||
connection->a2dp_source_config_process.have_config = true;
|
|
||||||
|
|
||||||
#ifdef ENABLE_A2DP_SOURCE_EXPLICIT_CONFIG
|
|
||||||
// continue outgoing configuration
|
|
||||||
if (connection->a2dp_source_state == A2DP_DISCOVERY_DONE){
|
|
||||||
connection->a2dp_source_state = A2DP_SET_CONFIGURATION;
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
|
|
||||||
return ERROR_CODE_SUCCESS;
|
|
||||||
}
|
|
||||||
|
|
||||||
uint8_t a2dp_source_set_config_sbc(uint16_t a2dp_cid, uint8_t local_seid, uint8_t remote_seid, const avdtp_configuration_sbc_t * configuration){
|
uint8_t a2dp_source_set_config_sbc(uint16_t a2dp_cid, uint8_t local_seid, uint8_t remote_seid, const avdtp_configuration_sbc_t * configuration){
|
||||||
avdtp_connection_t * connection = avdtp_get_connection_for_avdtp_cid(a2dp_cid);
|
avdtp_connection_t * connection = avdtp_get_connection_for_avdtp_cid(a2dp_cid);
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user