annotate ffmpeg/libavcodec/aacpsy.h @ 13:844d341cf643 tip

Back up before ISMIR
author Yading Song <yading.song@eecs.qmul.ac.uk>
date Thu, 31 Oct 2013 13:17:06 +0000
parents 6840f77b83aa
children
rev   line source
yading@10 1 /*
yading@10 2 * AAC encoder psychoacoustic model
yading@10 3 * Copyright (C) 2008 Konstantin Shishkov
yading@10 4 *
yading@10 5 * This file is part of FFmpeg.
yading@10 6 *
yading@10 7 * FFmpeg is free software; you can redistribute it and/or
yading@10 8 * modify it under the terms of the GNU Lesser General Public
yading@10 9 * License as published by the Free Software Foundation; either
yading@10 10 * version 2.1 of the License, or (at your option) any later version.
yading@10 11 *
yading@10 12 * FFmpeg is distributed in the hope that it will be useful,
yading@10 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@10 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
yading@10 15 * Lesser General Public License for more details.
yading@10 16 *
yading@10 17 * You should have received a copy of the GNU Lesser General Public
yading@10 18 * License along with FFmpeg; if not, write to the Free Software
yading@10 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@10 20 */
yading@10 21
yading@10 22 #ifndef AVCODEC_AACPSY_H
yading@10 23 #define AVCODEC_AACPSY_H
yading@10 24
yading@10 25 #include "avcodec.h"
yading@10 26 #include "aac.h"
yading@10 27 //#include "lowpass.h"
yading@10 28
yading@10 29 enum AACPsyModelType{
yading@10 30 AAC_PSY_TEST, ///< a sample model to exercise encoder
yading@10 31 AAC_PSY_3GPP, ///< model following recommendations from 3GPP TS 26.403
yading@10 32
yading@10 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
yading@10 34 };
yading@10 35
yading@10 36 /**
yading@10 37 * context used by psychoacoustic model
yading@10 38 */
yading@10 39 typedef struct AACPsyContext {
yading@10 40 AVCodecContext *avctx; ///< encoder context
yading@10 41 }AACPsyContext;
yading@10 42
yading@10 43 /**
yading@10 44 * Cleanup model context at the end.
yading@10 45 *
yading@10 46 * @param ctx model context
yading@10 47 */
yading@10 48 void ff_aac_psy_end(AACPsyContext *ctx);
yading@10 49
yading@10 50 #endif /* AVCODEC_AACPSY_H */