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libavcodec
dcadsp.h
Go to the documentation of this file.
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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_DCADSP_H
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#define AVCODEC_DCADSP_H
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#include "
avfft.h
"
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#include "
synth_filter.h
"
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#define DCA_SUBBANDS 64
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typedef
struct
DCADSPContext
{
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void
(*
lfe_fir
[2])(
float
*
out
,
const
float
*
in
,
const
float
*coefs);
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void
(*
qmf_32_subbands
)(
float
samples_in[32][8],
int
sb_act,
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SynthFilterContext
*synth,
FFTContext
*imdct,
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float
synth_buf_ptr[512],
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int
*synth_buf_offset,
float
synth_buf2[32],
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const
float
window[512],
float
*samples_out,
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float
raXin[32],
float
scale);
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void
(*
decode_hf
)(
float
dst[
DCA_SUBBANDS
][8],
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const
int32_t
vq_num[
DCA_SUBBANDS
],
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const
int8_t hf_vq[1024][32], intptr_t vq_offset,
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int32_t
scale[
DCA_SUBBANDS
][2],
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intptr_t
start
, intptr_t
end
);
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}
DCADSPContext
;
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void
ff_dcadsp_init
(
DCADSPContext
*
s
);
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void
ff_dcadsp_init_arm
(
DCADSPContext
*
s
);
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void
ff_dcadsp_init_x86
(
DCADSPContext
*
s
);
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#endif
/* AVCODEC_DCADSP_H */
Generated on Sun Mar 8 2015 02:34:50 for FFmpeg by
1.8.2