1/* 2 * AAC encoder psychoacoustic model 3 * Copyright (C) 2008 Konstantin Shishkov 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * FFmpeg is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with FFmpeg; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22#ifndef AVCODEC_AACPSY_H 23#define AVCODEC_AACPSY_H 24 25#include "avcodec.h" 26#include "aac.h" 27//#include "lowpass.h" 28 29enum AACPsyModelType{ 30 AAC_PSY_TEST, ///< a sample model to exercise encoder 31 AAC_PSY_3GPP, ///< model following recommendations from 3GPP TS 26.403 32 33 AAC_NB_PSY_MODELS ///< total number of psychoacoustic models, since it's not a part of the ABI new models can be added freely 34}; 35 36/** 37 * context used by psychoacoustic model 38 */ 39typedef struct AACPsyContext { 40 AVCodecContext *avctx; ///< encoder context 41}AACPsyContext; 42 43/** 44 * Cleanup model context at the end. 45 * 46 * @param ctx model context 47 */ 48void ff_aac_psy_end(AACPsyContext *ctx); 49 50#endif /* AVCODEC_AACPSY_H */ 51