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FFmpeg/libavcodec/dcadsp.h
Michael Niedermayer 366e415836 Merge commit '800ffab48a7844dd5dc0a33b8f6b8e5ed718cf2e'
* commit '800ffab48a7844dd5dc0a33b8f6b8e5ed718cf2e':
  dcadsp: Add a new method, qmf_32_subbands

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2013-07-22 12:10:59 +02:00

40 lines
1.5 KiB
C

/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_DCADSP_H
#define AVCODEC_DCADSP_H
#include "avfft.h"
#include "synth_filter.h"
typedef struct DCADSPContext {
void (*lfe_fir)(float *out, const float *in, const float *coefs,
int decifactor, float scale);
void (*qmf_32_subbands)(float samples_in[32][8], int sb_act,
SynthFilterContext *synth, FFTContext *imdct,
float synth_buf_ptr[512],
int *synth_buf_offset, float synth_buf2[32],
const float window[512], float *samples_out,
float raXin[32], float scale);
} DCADSPContext;
void ff_dcadsp_init(DCADSPContext *s);
void ff_dcadsp_init_arm(DCADSPContext *s);
#endif /* AVCODEC_DCADSP_H */