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/* $Id: DrvHostAudioAlsaStubs.h $ */
/** @file
* Stubs for libasound.
*/
/*
* Copyright (C) 2006-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
#ifndef VBOX_INCLUDED_SRC_Audio_DrvHostAudioAlsaStubs_h
#define VBOX_INCLUDED_SRC_Audio_DrvHostAudioAlsaStubs_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include <iprt/cdefs.h>
#include <alsa/version.h>
#define VBOX_ALSA_MAKE_VER(a,b,c) ( ((a) << 24) | ((b) << 16) | (c) )
#define VBOX_ALSA_VER VBOX_ALSA_MAKE_VER(SND_LIB_MAJOR, SND_LIB_MINOR, SND_LIB_SUBMINOR)
RT_C_DECLS_BEGIN
extern int audioLoadAlsaLib(void);
#if VBOX_ALSA_VER < VBOX_ALSA_MAKE_VER(1,0,18) /* added in 1.0.18 */
extern int snd_pcm_avail_delay(snd_pcm_t *, snd_pcm_sframes_t *, snd_pcm_sframes_t *);
#endif
#if VBOX_ALSA_VER < VBOX_ALSA_MAKE_VER(1,0,14) /* added in 1.0.14a */
extern int snd_device_name_hint(int, const char *, void ***);
extern int snd_device_name_free_hint(void **);
extern char *snd_device_name_get_hint(const void *, const char *);
#endif
#if VBOX_ALSA_VER < VBOX_ALSA_MAKE_VER(1,0,27) /* added in 1.0.27 */
enum snd_pcm_chmap_position { SND_CHMAP_UNKNOWN = 0, SND_CHMAP_NA, SND_CHMAP_MONO, SND_CHMAP_FL, SND_CHMAP_FR,
SND_CHMAP_RL, SND_CHMAP_RR, SND_CHMAP_FC, SND_CHMAP_LFE, SND_CHMAP_SL, SND_CHMAP_SR, SND_CHMAP_RC,
SND_CHMAP_FLC, SND_CHMAP_FRC, SND_CHMAP_RLC, SND_CHMAP_RRC, SND_CHMAP_FLW, SND_CHMAP_FRW, SND_CHMAP_FLH,
SND_CHMAP_FCH, SND_CHMAP_FRH, SND_CHMAP_TC, SND_CHMAP_TFL, SND_CHMAP_TFR, SND_CHMAP_TFC, SND_CHMAP_TRL,
SND_CHMAP_TRR, SND_CHMAP_TRC, SND_CHMAP_TFLC, SND_CHMAP_TFRC, SND_CHMAP_TSL, SND_CHMAP_TSR, SND_CHMAP_LLFE,
SND_CHMAP_RLFE, SND_CHMAP_BC, SND_CHMAP_BLC, SND_CHMAP_BRC };
typedef struct snd_pcm_chmap
{
unsigned int channels;
RT_GCC_EXTENSION
unsigned int pos[RT_FLEXIBLE_ARRAY_IN_NESTED_UNION];
} snd_pcm_chmap_t;
extern int snd_pcm_set_chmap(snd_pcm_t *, snd_pcm_chmap_t const *);
#endif
RT_C_DECLS_END
#endif /* !VBOX_INCLUDED_SRC_Audio_DrvHostAudioAlsaStubs_h */
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