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diff --git a/usr.sbin/bhyve/audio.h b/usr.sbin/bhyve/audio.h
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+++ b/usr.sbin/bhyve/audio.h
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+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2016 Alex Teaca <iateaca@FreeBSD.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _AUDIO_EMUL_H_
+#define _AUDIO_EMUL_H_
+
+#include <sys/types.h>
+#include <sys/soundcard.h>
+
+/*
+ * Audio Player data structures
+ */
+
+struct audio;
+
+struct audio_params {
+	int channels;
+	int format;
+	int rate;
+};
+
+/*
+ * Audio Player API
+ */
+
+/*
+ * audio_init - initialize an instance of audio player
+ * @dev_name - the backend sound device used to play / capture
+ * @dir - dir = 1 for write mode, dir = 0 for read mode
+ * Returns NULL on error and the address of the audio player instance
+ */
+struct audio *audio_init(const char *dev_name, uint8_t dir);
+
+/*
+ * audio_set_params - reset the sound device and set the audio params
+ * @aud - the audio player to be configured
+ * @params - the audio parameters to be set
+ * Returns -1 on error and 0 on success
+ */
+int audio_set_params(struct audio *aud, struct audio_params *params);
+
+/*
+ * audio_playback - plays samples to the sound device using blocking operations
+ * @aud - the audio player used to play the samples
+ * @buf - the buffer containing the samples
+ * @count - the number of bytes in buffer
+ * Returns -1 on error and 0 on success
+ */
+int audio_playback(struct audio *aud, const uint8_t *buf, size_t count);
+
+/*
+ * audio_record - records samples from the sound device using blocking
+ * operations.
+ * @aud - the audio player used to capture the samples
+ * @buf - the buffer to receive the samples
+ * @count - the number of bytes to capture in buffer
+ * Returns -1 on error and 0 on success
+ */
+int audio_record(struct audio *aud, uint8_t *buf, size_t count);
+
+#endif  /* _AUDIO_EMUL_H_ */