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53 lines
970 B
C
53 lines
970 B
C
/** @file
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This library implements audio interaction.
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Copyright (c) 2020, vit9696. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause
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**/
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#ifndef OC_AUDIO_LIB_H
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#define OC_AUDIO_LIB_H
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#include <Uefi.h>
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#include <Protocol/OcAudio.h>
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/**
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Install audio support protocols.
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@param[in] Reinstall Overwrite installed protocols.
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@retval installed protocol.
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@retval NULL when conflicting audio implementation is present.
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@retval NULL when installation failed.
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**/
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OC_AUDIO_PROTOCOL *
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OcAudioInstallProtocols (
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IN BOOLEAN Reinstall
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);
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/**
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Convert language code to ASCII string.
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@param[in] LanguageCode Code.
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@retval ASCII string.
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**/
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CONST CHAR8 *
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OcLanguageCodeToString (
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IN APPLE_VOICE_OVER_LANGUAGE_CODE LanguageCode
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);
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/**
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Get system volume level in 0~100 range.
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@param[out] Muted Whether volume is off.
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@retval ASCII string.
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**/
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UINT8
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OcGetVolumeLevel (
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OUT BOOLEAN *Muted
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);
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#endif // OC_AUDIO_LIB_H
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