aac_drv.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) 2005
*
* 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:
* ---------
* aac_drv.h
*
* Project:
* --------
* Maui_sw
*
* Description:
* ------------
* AAC Decoder (including SBR decoding) Driver
*
* Author:
* -------
* -------
*
*============================================================================
* HISTORY
* Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
*------------------------------------------------------------------------------
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*------------------------------------------------------------------------------
* Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
*============================================================================
****************************************************************************/
#ifndef __AAC_DRV_H
#define __AAC_DRV_H
#include "fs_type.h"
#include "fsal.h"
#include "mp4_parser.h"
#include "l1audio.h"
#include "ast.h"
#include "common_def.h"
#if defined(M4A_DECODE)
#define __M4A_FILE_DIRECT_PLAYBACK_SUPPORT__
#endif
#if defined(AAC_PLUS_PS_DECODE) && !defined(LOW_COST_SUPPORT)
#define __ADIF_TOTAL_FRAME_ESTIMATION__ 1
#endif
#if !defined(__AUDIO_COMPONENT_SUPPORT__) //prevent build warning
#define MAX_FRAME_CHECK_LEN 2048
#endif
#define ADTS_MAX_SIZE 6
#define AAC_SAMPLES_PER_FRAME 1024
#define AAC_MAX_SUPPORT_ID_ARRAYS 2
#define AAC_MIN_FRAME_LEN 8
#define AAC_ADTS_PARSE_FRAME_THRESHOLD 100
#define AAC_ADIF_PARSER_BUFFERSIZE 4096
#define AAC_ADIF_PARSE_FRAMENUM 10 //100
#define AAC_ADTS_PARSE_FRAME_NUM 100
#define AAC_MAX_DATA_REQUESTED 1024
#define ERROR_FRAME_THRESHOLD 0xFFFFFFFF
#define AACPS_PREBUFFER_NUM 4
#define AACPS_PREBUFFER_MASK 0x3
#define VID_DEC_SEEK_HINT_SIZE 2047
extern struct {
kal_uint32 uCurOffset;
kal_uint32 uResumeFrameOffset;
} audResumeInfo;
typedef struct {
kal_uint8 uSbrValid[AACPS_PREBUFFER_NUM];
kal_uint8 *pPCM2DSP[AACPS_PREBUFFER_NUM];
kal_uint8 *pSBR2DSP[AACPS_PREBUFFER_NUM];
void *pAacDecHdl;
void *pInterBuf;
void *pTmpBuf;
void *pBsBuf;
void *pSbrBuf;
kal_uint32 uSbrBufSize;
kal_uint32 uBsBufSize;
kal_uint32 uPreBuffer_R;
kal_uint32 uPreBuffer_W;
} AacMcuDecode;
typedef struct aacVar{
kal_bool bError;
kal_bool bDecUnsupport;
kal_bool bIsTypeADTS;
kal_bool bIsTypeADIF;
kal_bool sbrPresentFlag;
kal_bool PSPresentFlag;
kal_bool sbrParseError;
kal_bool stereo;
kal_uint32 rawDataBlockOffset;
kal_uint32 bitRate;
kal_uint32 errorCnt; // for garbage data
kal_uint32 framecount;
kal_uint8 bADTSFixedHeader[4];
kal_uint8 bHeaderTmp[4];
kal_uint16 errorReport;
kal_uint8 sr_idx;
kal_bool bIsDSCE;
kal_bool bChanSbrFlag[AAC_MAX_SUPPORT_ID_ARRAYS];
kal_uint8 sbr_chanidx;
kal_uint8 SCEnum;
kal_uint8 channelNum;
Media_Channel channelOutput;
} aacInternal;
typedef struct mh_internal {
MHdl mh;
aacInternal aac;
STFSAL *pstFSAL;
kal_uint64 uCurFrame;
kal_uint64 frameDur; // in ms * 10E-6
kal_uint8 buf[AAC_MAX_DATA_REQUESTED];
kal_bool isStreaming;
kal_bool isM4AOpened;
kal_bool isM4A;
kal_uint32 fileOffset;
kal_uint32 resumeFrameOffset;
kal_uint32 uFileSize;
kal_uint32 uID3V2Size;
Media_Event end_status;
AudioSeekTable *AudioSeekTbl;
// for M4A played back
FS_FileLocationHint *pst_vid_seek_hint_M4A;
STMp4Parser *pstMp4Parser_M4A;
STFSAL *pstFSALAudio_STSZ_M4A;
STFSAL *pstFSALAudio_STCO_M4A;
STFSAL *pstFSALAudio_M4A;
kal_uint32 *pu_buffer_temp_a_M4A;
kal_uint32 *pu_buffer_temp_stco_a_M4A;
kal_uint32 *pu_buffer_temp_stsz_a_M4A;
kal_uint32 *pu_buffer_STBL_cache_pool_M4A; /* STBL cache pool */
kal_int32 AAC_DSP_Data_Cnt;
kal_uint32 uEOF_TimeOutCnt;
kal_uint16 AAC_DSP_Write_Idx;
kal_uint16 wDspReadIdx;
kal_bool AAC_Decode_EOF;
kal_bool fDecoderError;
kal_bool fEnableARMDecoder;
AacMcuDecode *pAacMcuDec;
kal_uint16 aud_id_decoder; //for MCU decoder
} aacMediaHdl;
void aacPlusSearchSBR(aacMediaHdl *ihdl);
kal_bool aacSeek( aacMediaHdl *ihdl, kal_bool fCacheEnable );
AST_Status aacASTParseFileHeader(void *hdlptr, kal_uint32 *FirstFrameOffset);
AST_Status aacASTParseFrame(void *hdlptr, kal_uint32 *CurOffset, kal_uint32 *ParseFrameNum);
void aacUpdateSR( aacMediaHdl *ihdl );
Media_Status aacSyncFirstFrame( aacMediaHdl *ihdl );
Media_Status aacSyncFrame(STFSAL *pstFSAL, kal_uint32 *fileOffset, kal_uint8 *pBuf, kal_uint32 uBufSize, void *info);
AST_Status aacParseFileHeader(void *hdlptr, kal_uint32 *FirstFrameOffset, kal_uint32 *uFrameDur);
AST_Status aacParseFrame(void *hdlptr, kal_uint32 *CurOffset, kal_uint32 *ParseFrameNum);
void aacMFSetCacheTbl( MHdl *hdl, kal_uint8 *ptr, kal_uint32 usize );
void aacMFBuildCache( MHdl *hdl, Media_Status *eLastRet, kal_uint32 *uProgress, kal_bool fLimitFrameNumber);
kal_uint32 aacfMFGetTotalDuration( MHdl *hdl );
kal_uint32 aacMFGetCacheDur(MHdl *hdl);
Media_Status allocWorkingMemM4A(MHdl *hdl);
void freeWorkingMemM4A(MHdl *hdl);
kal_bool openM4aFile( MHdl *hdl, kal_bool fPreporcess );
/* -------------------------------------------------------------------------- */
/* Common part of component and non-component DSP decode def. */
/* -------------------------------------------------------------------------- */
#define AAC_STATE_PLAY 1
#define AAC_STATE_PAUSE 2
#define AAC_STATE_IDLE 3
#define DSP_AAC_STATE_IDLE 0
#define DSP_AAC_STATE_START 6
#define DSP_AAC_STATE_PLAYING 2
#define DSP_AAC_STATE_STOP 10
#define DSP_AAC_STATE_END 14
#define AAC_PLUS_INIT 0x13
#if defined(MT6251)
#define AAC_PAGE_NUM 1
#elif defined(MT6256) || defined(MT6255)
#define AAC_PAGE_NUM 6
#elif defined(MT6250) || defined(MT6260) || defined(MT6261) || defined(MT2501) || defined(MT2502)
#define AAC_PAGE_NUM 5
#else
#define AAC_PAGE_NUM 2
#endif
#endif