51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
/*
|
|
* AAC encoder psychoacoustic model
|
|
* Copyright (C) 2008 Konstantin Shishkov
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#ifndef AVCODEC_AACPSY_H
|
|
#define AVCODEC_AACPSY_H
|
|
|
|
#include "avcodec.h"
|
|
#include "aac.h"
|
|
//#include "lowpass.h"
|
|
|
|
enum AACPsyModelType{
|
|
AAC_PSY_TEST, ///< a sample model to exercise encoder
|
|
AAC_PSY_3GPP, ///< model following recommendations from 3GPP TS 26.403
|
|
|
|
AAC_NB_PSY_MODELS ///< total number of psychoacoustic models, since it's not a part of the ABI new models can be added freely
|
|
};
|
|
|
|
/**
|
|
* context used by psychoacoustic model
|
|
*/
|
|
typedef struct AACPsyContext {
|
|
AVCodecContext *avctx; ///< encoder context
|
|
}AACPsyContext;
|
|
|
|
/**
|
|
* Cleanup model context at the end.
|
|
*
|
|
* @param ctx model context
|
|
*/
|
|
void ff_aac_psy_end(AACPsyContext *ctx);
|
|
|
|
#endif /* AVCODEC_AACPSY_H */
|