/*
* The simplest AC-3 encoder
* Copyright (c) 2000 Fabrice Bellard
* Copyright (c) 2006-2010 Justin Ruggles
* Copyright (c) 2006-2010 Prakash Punnoor
*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* floating-point AC-3 encoder header.
*/
#ifndef AVCODEC_AC3ENC_FLOAT_H
#define AVCODEC_AC3ENC_FLOAT_H
#include "fft.h"
typedef float SampleType;
typedef float CoefType;
typedef float CoefSumType;
#define MAC_COEF(d,a,b) ((d)+=(a)*(b))
typedef struct AC3MDCTContext {
const float *window; ///< MDCT window function
FFTContext fft; ///< FFT context for MDCT calculation
} AC3MDCTContext;
#endif /* AVCODEC_AC3ENC_FLOAT_H */