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/*
** Copyright 2003-2010, VisualOn, Inc.
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
/*******************************************************************************
File: aacenc_core.h
Content: aac encoder interface functions
*******************************************************************************/
#ifndef _aacenc_core_h_
#define _aacenc_core_h_
#include "typedef.h"
#include "config.h"
#include "bitenc.h"
#include "psy_configuration.h"
#include "psy_main.h"
#include "qc_main.h"
#include "psy_main.h"
/*-------------------------- defines --------------------------------------*/
/*-------------------- structure definitions ------------------------------*/
typedef struct {
Word32 sampleRate; /* audio file sample rate */
Word32 bitRate; /* encoder bit rate in bits/sec */
Word16 nChannelsIn; /* number of channels on input (1,2) */
Word16 nChannelsOut; /* number of channels on output (1,2) */
Word16 bandWidth; /* targeted audio bandwidth in Hz */
Word16 adtsUsed; /* whether write adts header */
} AACENC_CONFIG;
typedef struct {
AACENC_CONFIG config; /* Word16 size: 8 */
ELEMENT_INFO elInfo; /* Word16 size: 4 */
QC_STATE qcKernel; /* Word16 size: 6 + 5(PADDING) + 7(ELEMENT_BITS) + 54(ADJ_THR_STATE) = 72 */
QC_OUT qcOut; /* Word16 size: MAX_CHANNELS*920(QC_OUT_CHANNEL) + 5(QC_OUT_ELEMENT) + 7 = 932 / 1852 */
PSY_OUT psyOut; /* Word16 size: MAX_CHANNELS*186 + 2 = 188 / 374 */
PSY_KERNEL psyKernel; /* Word16 size: 2587 / 4491 */
struct BITSTREAMENCODER_INIT bseInit; /* Word16 size: 6 */
struct BIT_BUF bitStream; /* Word16 size: 8 */
HANDLE_BIT_BUF hBitStream;
int initOK;
short *intbuf;
short *encbuf;
short *inbuf;
int enclen;
int inlen;
int intlen;
int uselength;
void *hCheck;
VO_MEM_OPERATOR *voMemop;
VO_MEM_OPERATOR voMemoprator;
}AAC_ENCODER; /* Word16 size: 3809 / 6851 */
/*-----------------------------------------------------------------------------
functionname: AacInitDefaultConfig
description: gives reasonable default configuration
returns: ---
------------------------------------------------------------------------------*/
void AacInitDefaultConfig(AACENC_CONFIG *config);
/*---------------------------------------------------------------------------
functionname:AacEncOpen
description: allocate and initialize a new encoder instance
returns: AACENC_OK if success
---------------------------------------------------------------------------*/
Word16 AacEncOpen (AAC_ENCODER *hAacEnc, /* pointer to an encoder handle, initialized on return */
const AACENC_CONFIG config); /* pre-initialized config struct */
Word16 AacEncEncode(AAC_ENCODER *hAacEnc,
Word16 *timeSignal,
const UWord8 *ancBytes, /*!< pointer to ancillary data bytes */
Word16 *numAncBytes, /*!< number of ancillary Data Bytes, send as fill element */
UWord8 *outBytes, /*!< pointer to output buffer */
Word32 *numOutBytes /*!< number of bytes in output buffer */
);
/*---------------------------------------------------------------------------
functionname:AacEncClose
description: deallocate an encoder instance
---------------------------------------------------------------------------*/
void AacEncClose (AAC_ENCODER* hAacEnc, VO_MEM_OPERATOR *pMemOP); /* an encoder handle */
#endif /* _aacenc_h_ */
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