FFmpeg
libavcodec
aacenc_pred.h
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/*
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* AAC encoder main-type prediction
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* Copyright (C) 2015 Rostislav Pehlivanov
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* AAC encoder main-type prediction
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* @author Rostislav Pehlivanov ( atomnuker gmail com )
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*/
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#ifndef AVCODEC_AACENC_PRED_H
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#define AVCODEC_AACENC_PRED_H
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#include "
aacenc.h
"
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/* Every predictor group needs to get reset at least once in this many frames */
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#define PRED_RESET_FRAME_MIN 240
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/* Any frame with less than this amount of frames since last reset is ok */
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#define PRED_RESET_MIN 64
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/* Raise to filter any low frequency artifacts due to prediction */
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#define PRED_SFB_START 10
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void
ff_aac_apply_main_pred
(
AACEncContext
*
s
,
SingleChannelElement
*sce);
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void
ff_aac_adjust_common_pred
(
AACEncContext
*
s
,
ChannelElement
*cpe);
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void
ff_aac_search_for_pred
(
AACEncContext
*
s
,
SingleChannelElement
*sce);
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void
ff_aac_encode_main_pred
(
AACEncContext
*
s
,
SingleChannelElement
*sce);
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#endif
/* AVCODEC_AACENC_PRED_H */
ff_aac_search_for_pred
void ff_aac_search_for_pred(AACEncContext *s, SingleChannelElement *sce)
Definition:
aacenc_pred.c:233
ff_aac_adjust_common_pred
void ff_aac_adjust_common_pred(AACEncContext *s, ChannelElement *cpe)
Definition:
aacenc_pred.c:151
s
#define s(width, name)
Definition:
cbs_vp9.c:198
ff_aac_encode_main_pred
void ff_aac_encode_main_pred(AACEncContext *s, SingleChannelElement *sce)
Encoder predictors data.
Definition:
aacenc_pred.c:332
ff_aac_apply_main_pred
void ff_aac_apply_main_pred(AACEncContext *s, SingleChannelElement *sce)
Definition:
aacenc_pred.c:119
SingleChannelElement
Single Channel Element - used for both SCE and LFE elements.
Definition:
aac.h:246
ChannelElement
channel element - generic struct for SCE/CPE/CCE/LFE
Definition:
aac.h:273
AACEncContext
AAC encoder context.
Definition:
aacenc.h:108
aacenc.h
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