blob: 364bdf1a23e21dc2cf0317388006c673a1b3969f [file] [log] [blame]
* Copyright 2018 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#include <alsa/asoundlib.h>
#include <math.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include <unistd.h>
/* Creates and initialize new recorder object. */
struct alsa_conformance_recorder *
recorder_create(double merge_threshold_t, snd_pcm_sframes_t merge_threshold_sz);
/* Compute the median of steps. */
void recorder_compute_step_median(struct alsa_conformance_recorder *recorder);
/* Query step median */
snd_pcm_sframes_t get_step_median(struct alsa_conformance_recorder *recorder);
/* Destroys recorder object. */
void recorder_destroy(struct alsa_conformance_recorder *recorder);
/* Adds new point (time, frames) into the recorder. The return value
* indicates whether it's merged with the previous point. */
int recorder_add(struct alsa_conformance_recorder *recorder,
struct timespec time, unsigned long frames);
/* Creates and initializes new recorder list. */
struct alsa_conformance_recorder_list *recorder_list_create();
/* Destroys recorder list. */
void recorder_list_destroy(struct alsa_conformance_recorder_list *list);
/* Adds new recorder into the recorder list. */
void recorder_list_add_recorder(struct alsa_conformance_recorder_list *list,
struct alsa_conformance_recorder *recorder);
/* Prints results of recorders. */
void recorder_list_print_result(struct alsa_conformance_recorder_list *list);