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avrcp: store obex psm from sdp query for cover art

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This commit is contained in:
Matthias Ringwald 2023-04-20 19:15:24 +02:00
parent 73ff83992e
commit 7e7a3a6ea6
1 changed files with 66 additions and 49 deletions
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115
src/classic/avrcp.c
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@ -61,6 +61,7 @@ typedef struct {
uint16_t browsing_l2cap_psm;
uint16_t browsing_version;
uint16_t cover_art_l2cap_psm;
} avrcp_sdp_query_context_t;
static void avrcp_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size);
@ -630,7 +631,11 @@ uint16_t avrcp_sdp_query_browsing_l2cap_psm(void){
void avrcp_handle_sdp_client_query_attribute_value(uint8_t *packet){
des_iterator_t des_list_it;
des_iterator_t prot_it;
des_iterator_t additional_protocol_descriptor_list_it;
des_iterator_t protocol_descriptor_list_it;
des_iterator_t protocol_it;
uint8_t protocol_descriptor_id;
// Handle new SDP record
if (sdp_event_query_attribute_byte_get_record_id(packet) != avrcp_sdp_query_context.record_id) {
@ -662,80 +667,92 @@ void avrcp_handle_sdp_client_query_attribute_value(uint8_t *packet){
}
break;
case BLUETOOTH_ATTRIBUTE_PROTOCOL_DESCRIPTOR_LIST: {
case BLUETOOTH_ATTRIBUTE_PROTOCOL_DESCRIPTOR_LIST:
if (!avrcp_sdp_query_context.parse_sdp_record) break;
// log_info("SDP Attribute: 0x%04x", sdp_event_query_attribute_byte_get_attribute_id(packet));
for (des_iterator_init(&des_list_it, avrcp_sdp_query_attribute_value); des_iterator_has_more(&des_list_it); des_iterator_next(&des_list_it)) {
uint8_t *des_element;
uint8_t *element;
uint32_t uuid;
if (des_iterator_get_type(&des_list_it) != DE_DES) continue;
for (des_iterator_init(&protocol_descriptor_list_it, avrcp_sdp_query_attribute_value); des_iterator_has_more(&protocol_descriptor_list_it); des_iterator_next(&protocol_descriptor_list_it)) {
des_element = des_iterator_get_element(&des_list_it);
des_iterator_init(&prot_it, des_element);
element = des_iterator_get_element(&prot_it);
if (des_iterator_get_type(&protocol_descriptor_list_it) != DE_DES) continue;
uint8_t * protocol_descriptor_list_element = des_iterator_get_element(&protocol_descriptor_list_it);
if (de_get_element_type(element) != DE_UUID) continue;
des_iterator_init(&protocol_it, protocol_descriptor_list_element);
uint8_t * protocol_element = des_iterator_get_element(&protocol_it);
uuid = de_get_uuid32(element);
des_iterator_next(&prot_it);
if (de_get_element_type(protocol_element) != DE_UUID) continue;
uint32_t uuid = de_get_uuid32(protocol_element);
des_iterator_next(&protocol_it);
switch (uuid){
case BLUETOOTH_PROTOCOL_L2CAP:
if (!des_iterator_has_more(&prot_it)) continue;
de_element_get_uint16(des_iterator_get_element(&prot_it), &avrcp_sdp_query_context.avrcp_l2cap_psm);
if (!des_iterator_has_more(&protocol_it)) continue;
de_element_get_uint16(des_iterator_get_element(&protocol_it), &avrcp_sdp_query_context.avrcp_l2cap_psm);
break;
case BLUETOOTH_PROTOCOL_AVCTP:
if (!des_iterator_has_more(&prot_it)) continue;
de_element_get_uint16(des_iterator_get_element(&prot_it), &avrcp_sdp_query_context.avrcp_version);
if (!des_iterator_has_more(&protocol_it)) continue;
de_element_get_uint16(des_iterator_get_element(&protocol_it), &avrcp_sdp_query_context.avrcp_version);
break;
default:
break;
}
}
}
break;
case BLUETOOTH_ATTRIBUTE_ADDITIONAL_PROTOCOL_DESCRIPTOR_LISTS: {
// log_info("SDP Attribute: 0x%04x", sdp_event_query_attribute_byte_get_attribute_id(packet));
case BLUETOOTH_ATTRIBUTE_ADDITIONAL_PROTOCOL_DESCRIPTOR_LISTS:
if (!avrcp_sdp_query_context.parse_sdp_record) break;
if (de_get_element_type(avrcp_sdp_query_attribute_value) != DE_DES) break;
des_iterator_t des_list_0_it;
uint8_t *element_0;
protocol_descriptor_id = 0;
des_iterator_init(&des_list_0_it, avrcp_sdp_query_attribute_value);
element_0 = des_iterator_get_element(&des_list_0_it);
for ( des_iterator_init(&additional_protocol_descriptor_list_it, avrcp_sdp_query_attribute_value);
des_iterator_has_more(&additional_protocol_descriptor_list_it);
des_iterator_next(&additional_protocol_descriptor_list_it)) {
for (des_iterator_init(&des_list_it, element_0); des_iterator_has_more(&des_list_it); des_iterator_next(&des_list_it)) {
uint8_t *des_element;
uint8_t *element;
uint32_t uuid;
if (des_iterator_get_type(&additional_protocol_descriptor_list_it) != DE_DES) continue;
uint8_t *additional_protocol_descriptor_element = des_iterator_get_element(&additional_protocol_descriptor_list_it);
if (des_iterator_get_type(&des_list_it) != DE_DES) continue;
for ( des_iterator_init(&protocol_descriptor_list_it,additional_protocol_descriptor_element);
des_iterator_has_more(&protocol_descriptor_list_it);
des_iterator_next(&protocol_descriptor_list_it)) {
des_element = des_iterator_get_element(&des_list_it);
des_iterator_init(&prot_it, des_element);
element = des_iterator_get_element(&prot_it);
if (des_iterator_get_type(&protocol_descriptor_list_it) != DE_DES) continue;
if (de_get_element_type(element) != DE_UUID) continue;
uint8_t * protocol_descriptor_list_element = des_iterator_get_element(&protocol_descriptor_list_it);
uuid = de_get_uuid32(element);
des_iterator_next(&prot_it);
switch (uuid){
case BLUETOOTH_PROTOCOL_L2CAP:
if (!des_iterator_has_more(&prot_it)) continue;
de_element_get_uint16(des_iterator_get_element(&prot_it), &avrcp_sdp_query_context.browsing_l2cap_psm);
break;
case BLUETOOTH_PROTOCOL_AVCTP:
if (!des_iterator_has_more(&prot_it)) continue;
de_element_get_uint16(des_iterator_get_element(&prot_it), &avrcp_sdp_query_context.browsing_version);
break;
default:
break;
des_iterator_init(&protocol_it, protocol_descriptor_list_element);
uint8_t * protocol_element = des_iterator_get_element(&protocol_it);
if (de_get_element_type(protocol_element) != DE_UUID) continue;
uint32_t uuid = de_get_uuid32(protocol_element);
des_iterator_next(&protocol_it);
switch (uuid) {
case BLUETOOTH_PROTOCOL_L2CAP:
if (!des_iterator_has_more(&protocol_it)) continue;
switch (protocol_descriptor_id) {
case 0:
de_element_get_uint16(des_iterator_get_element(&protocol_it),
&avrcp_sdp_query_context.browsing_l2cap_psm);
break;
case 1:
de_element_get_uint16(des_iterator_get_element(&protocol_it),
&avrcp_sdp_query_context.cover_art_l2cap_psm);
break;
default:
break;
}
break;
case BLUETOOTH_PROTOCOL_AVCTP:
if (!des_iterator_has_more(&protocol_it)) continue;
de_element_get_uint16(des_iterator_get_element(&protocol_it),
&avrcp_sdp_query_context.browsing_version);
break;
default:
break;
}
}
protocol_descriptor_id++;
}
}
break;
default:
break;
}