mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-07 11:13:41 +02:00
fb3c33f3cd
* commit '4cb6964244fd6c099383d8b7e99731e72cc844b9': dcadec: simplify decoding of VQ high frequencies Conflicts: configure libavcodec/dcadec.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
47 lines
1.8 KiB
C
47 lines
1.8 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"
|
|
|
|
#define DCA_SUBBANDS 64
|
|
|
|
typedef struct DCADSPContext {
|
|
void (*lfe_fir[2])(float *out, const float *in, const float *coefs);
|
|
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);
|
|
void (*decode_hf)(float dst[DCA_SUBBANDS][8],
|
|
const int32_t vq_num[DCA_SUBBANDS],
|
|
const int8_t hf_vq[1024][32], intptr_t vq_offset,
|
|
int32_t scale[DCA_SUBBANDS][2],
|
|
intptr_t start, intptr_t end);
|
|
} DCADSPContext;
|
|
|
|
void ff_dcadsp_init(DCADSPContext *s);
|
|
void ff_dcadsp_init_arm(DCADSPContext *s);
|
|
void ff_dcadsp_init_x86(DCADSPContext *s);
|
|
|
|
#endif /* AVCODEC_DCADSP_H */
|