ref: 9ab85f8313acf391e022e671fc9e425b233f90ee
dir: /libfaac/frame.h/
/*
* FAAC - Freeware Advanced Audio Coder
* Copyright (C) 2001 Menno Bakker
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id: frame.h,v 1.11 2001/05/30 08:57:08 menno Exp $
*/
#ifndef FRAME_H
#define FRAME_H
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#include "coder.h"
#include "channels.h"
#include "psych.h"
#ifdef WIN32
#pragma pack(push, 8)
#ifndef FAACAPI
#define FAACAPI __stdcall
#endif
#else
#ifndef FAACAPI
#define FAACAPI
#endif
#endif
static SR_INFO srInfo[12+1];
typedef struct faacEncConfiguration
{
/* MPEG version, 2 or 4 */
unsigned int mpegVersion;
/* AAC object type */
unsigned int aacObjectType;
/* Allow mid/side coding */
unsigned int allowMidside;
/* Use one of the channels as LFE channel */
unsigned int useLfe;
/* Use Temporal Noise Shaping */
unsigned int useTns;
/* bitrate / channel of AAC file */
unsigned long bitRate;
/* AAC file frequency bandwidth */
unsigned int bandWidth;
} faacEncConfiguration, *faacEncConfigurationPtr;
typedef struct {
/* number of channels in AAC file */
unsigned int numChannels;
/* samplerate of AAC file */
unsigned long sampleRate;
unsigned int sampleRateIdx;
unsigned int usedBytes;
/* frame number */
unsigned int frameNum;
unsigned int flushFrame;
/* Scalefactorband data */
SR_INFO *srInfo;
/* sample buffers of current next and next next frame*/
double *sampleBuff[MAX_CHANNELS];
double *nextSampleBuff[MAX_CHANNELS];
double *next2SampleBuff[MAX_CHANNELS];
double *ltpTimeBuff[MAX_CHANNELS];
/* Filterbank buffers */
double *sin_window_long;
double *sin_window_short;
double *kbd_window_long;
double *kbd_window_short;
double *freqBuff[MAX_CHANNELS];
double *overlapBuff[MAX_CHANNELS];
double *msSpectrum[MAX_CHANNELS];
/* Channel and Coder data for all channels */
CoderInfo coderInfo[MAX_CHANNELS];
ChannelInfo channelInfo[MAX_CHANNELS];
/* Psychoacoustics data */
PsyInfo psyInfo[MAX_CHANNELS];
GlobalPsyInfo gpsyInfo;
/* Configuration data */
faacEncConfiguration config;
} faacEncStruct, *faacEncHandle;
faacEncConfigurationPtr FAACAPI faacEncGetCurrentConfiguration(faacEncHandle hEncoder);
int FAACAPI faacEncSetConfiguration (faacEncHandle hEncoder, faacEncConfigurationPtr config);
faacEncHandle FAACAPI faacEncOpen(unsigned long sampleRate,
unsigned int numChannels,
unsigned long *inputSamples,
unsigned long *maxOutputBytes);
int FAACAPI faacEncEncode(faacEncHandle hEncoder,
short *inputBuffer,
unsigned int samplesInput,
unsigned char *outputBuffer,
unsigned int bufferSize
);
int FAACAPI faacEncClose(faacEncHandle hEncoder);
#ifdef WIN32
#pragma pack(pop)
#endif
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* FRAME_H */