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118 lines
4.1 KiB
C
118 lines
4.1 KiB
C
13 years ago
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/*
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** Copyright 2003-2010, VisualOn, Inc.
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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/*******************************************************************************
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File: aacenc_core.h
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Content: aac encoder interface functions
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*******************************************************************************/
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#ifndef _aacenc_core_h_
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#define _aacenc_core_h_
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#include "typedef.h"
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#include "config.h"
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#include "bitenc.h"
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#include "psy_configuration.h"
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#include "psy_main.h"
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#include "qc_main.h"
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#include "psy_main.h"
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/*-------------------------- defines --------------------------------------*/
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/*-------------------- structure definitions ------------------------------*/
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typedef struct {
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Word32 sampleRate; /* audio file sample rate */
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Word32 bitRate; /* encoder bit rate in bits/sec */
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Word16 nChannelsIn; /* number of channels on input (1,2) */
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Word16 nChannelsOut; /* number of channels on output (1,2) */
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Word16 bandWidth; /* targeted audio bandwidth in Hz */
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Word16 adtsUsed; /* whether write adts header */
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} AACENC_CONFIG;
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typedef struct {
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AACENC_CONFIG config; /* Word16 size: 8 */
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ELEMENT_INFO elInfo; /* Word16 size: 4 */
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QC_STATE qcKernel; /* Word16 size: 6 + 5(PADDING) + 7(ELEMENT_BITS) + 54(ADJ_THR_STATE) = 72 */
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QC_OUT qcOut; /* Word16 size: MAX_CHANNELS*920(QC_OUT_CHANNEL) + 5(QC_OUT_ELEMENT) + 7 = 932 / 1852 */
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PSY_OUT psyOut; /* Word16 size: MAX_CHANNELS*186 + 2 = 188 / 374 */
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PSY_KERNEL psyKernel; /* Word16 size: 2587 / 4491 */
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struct BITSTREAMENCODER_INIT bseInit; /* Word16 size: 6 */
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struct BIT_BUF bitStream; /* Word16 size: 8 */
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HANDLE_BIT_BUF hBitStream;
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int initOK;
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short *intbuf;
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short *encbuf;
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short *inbuf;
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int enclen;
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int inlen;
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int intlen;
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int uselength;
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void *hCheck;
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VO_MEM_OPERATOR *voMemop;
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VO_MEM_OPERATOR voMemoprator;
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}AAC_ENCODER; /* Word16 size: 3809 / 6851 */
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/*-----------------------------------------------------------------------------
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functionname: AacInitDefaultConfig
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description: gives reasonable default configuration
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returns: ---
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------------------------------------------------------------------------------*/
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void AacInitDefaultConfig(AACENC_CONFIG *config);
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/*---------------------------------------------------------------------------
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functionname:AacEncOpen
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description: allocate and initialize a new encoder instance
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returns: AACENC_OK if success
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---------------------------------------------------------------------------*/
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Word16 AacEncOpen (AAC_ENCODER *hAacEnc, /* pointer to an encoder handle, initialized on return */
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const AACENC_CONFIG config); /* pre-initialized config struct */
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Word16 AacEncEncode(AAC_ENCODER *hAacEnc,
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Word16 *timeSignal,
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const UWord8 *ancBytes, /*!< pointer to ancillary data bytes */
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Word16 *numAncBytes, /*!< number of ancillary Data Bytes, send as fill element */
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UWord8 *outBytes, /*!< pointer to output buffer */
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VO_U32 *numOutBytes /*!< number of bytes in output buffer */
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);
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/*---------------------------------------------------------------------------
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functionname:AacEncClose
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description: deallocate an encoder instance
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---------------------------------------------------------------------------*/
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void AacEncClose (AAC_ENCODER* hAacEnc, VO_MEM_OPERATOR *pMemOP); /* an encoder handle */
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#endif /* _aacenc_h_ */
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