mp3_dec_exp.h
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/*****************************************************************************
* Copyright Statement:
* --------------------
* This software is protected by Copyright and the information contained
* herein is confidential. The software may not be copied and the information
* contained herein may not be used or disclosed except with the written
* permission of MediaTek Inc. (C) 2008
*
* BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
* THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
* RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
* AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
* NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
* SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
* SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
* THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
* NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
* SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
*
* BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
* LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
* AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
* OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
* MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
*
* THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
* WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
* LAWS PRINCIPLES. ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
* RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
* THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
*
*****************************************************************************/
/*******************************************************************************
*
* Filename:
* ---------
* mp3_dec_exp.h
*
* Project:
* --------
*
*
* Description:
* ------------
* MP3 Decoder Interface
*
* Author:
* -------
* -------
*
*============================================================================
* HISTORY
* Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
*------------------------------------------------------------------------------
* removed!
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*------------------------------------------------------------------------------
* Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
*============================================================================
****************************************************************************/
#ifndef MP3DEC_EXP_H
#define MP3DEC_EXP_H
#ifdef __cplusplus
extern "C"{
#endif
#ifndef NULL
#define NULL 0
#endif
/* The error message return by "MP3Dec_Decode()" */
#define NULL_HANDLE -1
#define NULL_PCM_BUF -2
#define PCM_BUF_NOT_ALIGNED -3
#define NULL_BS_BUF -4
#define NULL_BS_READ -5
#define BS_BUF_SIZE_INCORRECT -6
#define FORMAT_NOT_SUPPORT -7
typedef struct {
short sampleRateIndex;
short CHNumber;
int PCMSamplesPerCH;
}Mp3dec_handle;
/*----------------------------------------------------------------------*/
/* Get required buffer size for MP3 Decoder */
/*----------------------------------------------------------------------*/
void MP3Dec_GetMemSize(int *Min_BS_size, /* Output, the required min. Bitsream buffer size in byte*/
int *PCM_size, /* Output, the required PCM buffer size in byte */
int *Working_BUF1_size, /* Output, the required Working buffer1 size in byte */
int *Working_BUF2_size); /* Output, the required Working buffer2 size in byte */
/*----------------------------------------------------------------------*/
/* Get the MP3 decoder handler. */
/* Return: the handle of current MP3 Decoder */
/*----------------------------------------------------------------------*/
Mp3dec_handle* MP3Dec_Init(void *pWorking_BUF1, /* Input, pointer to Working buffer1 */
void *pWorking_BUF2); /* Input, pointer to Working buffer2 */
/*----------------------------------------------------------------------*/
/* Decompress the bitstream to PCM data */
/* Return: The consumed data size of Bitsream buffer for this frame */
/*----------------------------------------------------------------------*/
int MP3Dec_Decode(Mp3dec_handle* handle, /* the handle of current MP3 Decoder */
void *pPCM_BUF, /* Input, pointer to PCM buffer */
void *pBS_BUF, /* Input, pointer to Bitsream buffer */
int BS_BUF_size, /* Input, the Bitsream buffer size */
void *pBS_Read); /* Input, bitstream buffer read pointer */
/*----------------------------------------------------------------------*/
/* Get the MP3 frame length. */
/* Return: the frame length (in byte) */
/*----------------------------------------------------------------------*/
unsigned int MP3_GetFrameLengthGeneral(unsigned int header, unsigned int br_idx);
#ifdef __cplusplus
}
#endif
#endif /*MP3DEC_EXP_H*/