// aes67_sdp_sap: SDP builder/parser and SAP announcer.
// Core component: must not depend on main/ (project code).
#pragma once

#include <stddef.h>

#include "esp_err.h"

// Registers GET /stream.sdp and starts the SAP announcer (RFC 2974): 239.255.255.255:9875 every
// 30 s and on SDP change while aes67.discovery is "sap", the stream is enabled and a PTP GM is
// known (else ts-refclk would be all zeros); deletion
// when that stops and at shutdown.
esp_err_t aes67_sdp_sap_init(void);
// Build the current SDP (RFC 4566 + RFC 7273, AES67). Returns the length, or 0 if it didn't fit.
size_t aes67_sdp_build(char *buf, size_t size);