| 1 | /* $Id: DrvHostAudioAlsaStubs.h 98103 2023-01-17 14:15:46Z vboxsync $ */
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| 2 | /** @file
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| 3 | * Stubs for libasound.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2023 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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| 26 | */
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| 27 |
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| 28 | #ifndef VBOX_INCLUDED_SRC_Audio_DrvHostAudioAlsaStubs_h
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| 29 | #define VBOX_INCLUDED_SRC_Audio_DrvHostAudioAlsaStubs_h
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| 30 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 31 | # pragma once
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| 32 | #endif
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| 33 |
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| 34 | #include <iprt/cdefs.h>
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| 35 | #include <alsa/version.h>
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| 36 |
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| 37 | #define VBOX_ALSA_MAKE_VER(a,b,c) ( ((a) << 24) | ((b) << 16) | (c) )
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| 38 | #define VBOX_ALSA_VER VBOX_ALSA_MAKE_VER(SND_LIB_MAJOR, SND_LIB_MINOR, SND_LIB_SUBMINOR)
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| 39 |
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| 40 | RT_C_DECLS_BEGIN
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| 41 | extern int audioLoadAlsaLib(void);
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| 42 |
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| 43 | #if VBOX_ALSA_VER < VBOX_ALSA_MAKE_VER(1,0,18) /* added in 1.0.18 */
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| 44 | extern int snd_pcm_avail_delay(snd_pcm_t *, snd_pcm_sframes_t *, snd_pcm_sframes_t *);
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| 45 | #endif
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| 46 |
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| 47 | #if VBOX_ALSA_VER < VBOX_ALSA_MAKE_VER(1,0,14) /* added in 1.0.14a */
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| 48 | extern int snd_device_name_hint(int, const char *, void ***);
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| 49 | extern int snd_device_name_free_hint(void **);
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| 50 | extern char *snd_device_name_get_hint(const void *, const char *);
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| 51 | #endif
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| 52 |
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| 53 | #if VBOX_ALSA_VER < VBOX_ALSA_MAKE_VER(1,0,27) /* added in 1.0.27 */
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| 54 | enum snd_pcm_chmap_position { SND_CHMAP_UNKNOWN = 0, SND_CHMAP_NA, SND_CHMAP_MONO, SND_CHMAP_FL, SND_CHMAP_FR,
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| 55 | SND_CHMAP_RL, SND_CHMAP_RR, SND_CHMAP_FC, SND_CHMAP_LFE, SND_CHMAP_SL, SND_CHMAP_SR, SND_CHMAP_RC,
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| 56 | SND_CHMAP_FLC, SND_CHMAP_FRC, SND_CHMAP_RLC, SND_CHMAP_RRC, SND_CHMAP_FLW, SND_CHMAP_FRW, SND_CHMAP_FLH,
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| 57 | SND_CHMAP_FCH, SND_CHMAP_FRH, SND_CHMAP_TC, SND_CHMAP_TFL, SND_CHMAP_TFR, SND_CHMAP_TFC, SND_CHMAP_TRL,
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| 58 | SND_CHMAP_TRR, SND_CHMAP_TRC, SND_CHMAP_TFLC, SND_CHMAP_TFRC, SND_CHMAP_TSL, SND_CHMAP_TSR, SND_CHMAP_LLFE,
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| 59 | SND_CHMAP_RLFE, SND_CHMAP_BC, SND_CHMAP_BLC, SND_CHMAP_BRC };
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| 60 | typedef struct snd_pcm_chmap
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| 61 | {
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| 62 | unsigned int channels;
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| 63 | RT_GCC_EXTENSION
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| 64 | unsigned int pos[RT_FLEXIBLE_ARRAY_IN_NESTED_UNION];
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| 65 | } snd_pcm_chmap_t;
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| 66 | extern int snd_pcm_set_chmap(snd_pcm_t *, snd_pcm_chmap_t const *);
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| 67 | #endif
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| 68 |
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| 69 | RT_C_DECLS_END
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| 70 |
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| 71 | #endif /* !VBOX_INCLUDED_SRC_Audio_DrvHostAudioAlsaStubs_h */
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| 72 |
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