/*
 * BlueALSA - delay-report.h
 * SPDX-FileCopyrightText: 2016-2025 BlueALSA developers
 * SPDX-License-Identifier: MIT
 */

#pragma once
#ifndef BLUEALSA_APLAY_DELAYREPORT_H_
#define BLUEALSA_APLAY_DELAYREPORT_H_

#if HAVE_CONFIG_H
# include <config.h>
#endif

#include <stdbool.h>
#include <time.h>

#include <alsa/asoundlib.h>
#include <dbus/dbus.h>

struct delay_report {

	struct ba_dbus_ctx *dbus_ctx;

	struct ba_pcm *ba_pcm;

	/* The time-stamp for delay update rate limiting. */
	struct timespec update_ts;

	/* Window buffer for calculating delay moving average. */
	snd_pcm_uframes_t values[64];
	snd_pcm_uframes_t avg_value;
	size_t values_i;

};

void delay_report_init(
		struct delay_report *dr,
		struct ba_dbus_ctx *dbus_ctx,
		struct ba_pcm *ba_pcm);

void delay_report_reset(
		struct delay_report *dr);

bool delay_report_update(
		struct delay_report *dr,
		snd_pcm_uframes_t delay,
		DBusError *err);

#endif