Merge branch 'mirror' into vdpau
[FFMpeg-mirror/ffmpeg-vdpau.git] / libavcodec / aacpsy.h
blob05c93cddeb93d7a4a249352e8b931c581d015321
1 /*
2 * AAC encoder psychoacoustic model
3 * Copyright (C) 2008 Konstantin Shishkov
5 * This file is part of FFmpeg.
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.
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.
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
22 #ifndef AVCODEC_AACPSY_H
23 #define AVCODEC_AACPSY_H
25 #include "avcodec.h"
26 #include "aac.h"
27 //#include "lowpass.h"
29 enum AACPsyModelType{
30 AAC_PSY_TEST, ///< a sample model to exercise encoder
31 AAC_PSY_3GPP, ///< model following recommendations from 3GPP TS 26.403
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
36 /**
37 * context used by psychoacoustic model
39 typedef struct AACPsyContext {
40 AVCodecContext *avctx; ///< encoder context
41 }AACPsyContext;
43 /**
44 * Cleanup model context at the end.
46 * @param ctx model context
48 void ff_aac_psy_end(AACPsyContext *ctx);
50 #endif /* AVCODEC_AACPSY_H */