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libavcodec
ttadata.h
Go to the documentation of this file.
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/*
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* TTA (The Lossless True Audio) data
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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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#ifndef AVCODEC_TTADATA_H
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#define AVCODEC_TTADATA_H
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#include "
internal.h
"
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#define MAX_ORDER 16
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typedef
struct
TTAFilter
{
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int32_t
shift
,
round
,
error
;
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int32_t
qm
[
MAX_ORDER
];
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int32_t
dx
[
MAX_ORDER
];
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int32_t
dl
[
MAX_ORDER
];
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}
TTAFilter
;
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typedef
struct
TTARice
{
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uint32_t
k0
,
k1
,
sum0
,
sum1
;
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}
TTARice
;
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typedef
struct
TTAChannel
{
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int32_t
predictor
;
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TTAFilter
filter
;
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TTARice
rice
;
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}
TTAChannel
;
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extern
const
uint32_t
ff_tta_shift_1
[];
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extern
const
uint32_t *
const
ff_tta_shift_16
;
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extern
const
uint8_t
ff_tta_filter_configs
[];
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void
ff_tta_rice_init
(
TTARice
*
c
, uint32_t k0, uint32_t k1);
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void
ff_tta_filter_init
(
TTAFilter
*
c
,
int32_t
shift
);
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#endif
/* AVCODEC_TTADATA_H */
Generated on Fri Dec 5 2014 04:42:03 for FFmpeg by
1.8.2