48 lines
1.6 KiB
C

/** @file
Copyright (C) 2021, vit9696. All rights reserved.
All rights reserved.
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef OC_MP3_LIB_H
#define OC_MP3_LIB_H
#include <Protocol/AudioIo.h>
/**
Decode MP3 audio to PCM audio.
WARNING: This method does not take untrusted data.
@param[in] InBuffer Buffer with mp3 audio data.
@param[in] InBufferSize InBuffer size in bytes.
@param[out] OutBuffer Decoded PCM data allocated from pool (needs to be freed).
@param[out] OutBufferSize Decoded PCM data size in bytes.
@param[out] Frequency Decoded PCM frequency.
@param[out] Bits Decoded bit count.
@param[out] Channels Decoded amount of channels.
@retval EFI_SUCCESS on success.
@retval EFI_UNSUPPORTED on format mismatch.
@retval EFI_OUT_OF_RESOURCES on memory allocation failure.
**/
EFI_STATUS
OcDecodeMp3 (
IN CONST VOID *InBuffer,
IN UINT32 InBufferSize,
OUT VOID **OutBuffer,
OUT UINT32 *OutBufferSize,
OUT EFI_AUDIO_IO_PROTOCOL_FREQ *Frequency,
OUT EFI_AUDIO_IO_PROTOCOL_BITS *Bits,
OUT UINT8 *Channels
);
#endif // OC_MP3_LIB_H