dcadsp.h 3.89 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
/*
 * Copyright (C) 2016 foo86
 *
 * 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 "libavutil/common.h"

#include "fft.h"
#include "dcadct.h"
#include "synth_filter.h"

typedef struct DCADSPContext {
    void (*decode_hf)(int32_t **dst,
                      const int32_t *vq_index,
                      const int8_t hf_vq[1024][32],
                      int32_t scale_factors[32][2],
35 36
                      ptrdiff_t sb_start, ptrdiff_t sb_end,
                      ptrdiff_t ofs, ptrdiff_t len);
37 38 39

    void (*decode_joint)(int32_t **dst, int32_t **src,
                         const int32_t *scale_factors,
40 41
                         ptrdiff_t sb_start, ptrdiff_t sb_end,
                         ptrdiff_t ofs, ptrdiff_t len);
42 43

    void (*lfe_fir_float[2])(float *pcm_samples, int32_t *lfe_samples,
44
                             const float *filter_coeff, ptrdiff_t npcmblocks);
45 46

    void (*lfe_x96_float)(float *dst, const float *src,
47
                          float *hist, ptrdiff_t len);
48 49 50 51 52 53 54

    void (*sub_qmf_float[2])(SynthFilterContext *synth,
                             FFTContext *imdct,
                             float *pcm_samples,
                             int32_t **subband_samples_lo,
                             int32_t **subband_samples_hi,
                             float *hist1, int *offset, float *hist2,
55
                             const float *filter_coeff, ptrdiff_t npcmblocks,
56 57 58
                             float scale);

    void (*lfe_fir_fixed)(int32_t *pcm_samples, int32_t *lfe_samples,
59
                          const int32_t *filter_coeff, ptrdiff_t npcmblocks);
60 61

    void (*lfe_x96_fixed)(int32_t *dst, const int32_t *src,
62
                          int32_t *hist, ptrdiff_t len);
63 64 65 66 67 68 69

    void (*sub_qmf_fixed[2])(SynthFilterContext *synth,
                             DCADCTContext *imdct,
                             int32_t *pcm_samples,
                             int32_t **subband_samples_lo,
                             int32_t **subband_samples_hi,
                             int32_t *hist1, int *offset, int32_t *hist2,
70
                             const int32_t *filter_coeff, ptrdiff_t npcmblocks);
71

72
    void (*decor)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len);
73 74

    void (*dmix_sub_xch)(int32_t *dst1, int32_t *dst2,
75
                         const int32_t *src, ptrdiff_t len);
76

77
    void (*dmix_sub)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len);
78

79
    void (*dmix_add)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len);
80

81
    void (*dmix_scale)(int32_t *dst, int scale, ptrdiff_t len);
82

83
    void (*dmix_scale_inv)(int32_t *dst, int scale_inv, ptrdiff_t len);
84 85

    void (*assemble_freq_bands)(int32_t *dst, int32_t *src0, int32_t *src1,
86
                                const int32_t *coeff, ptrdiff_t len);
87 88 89 90 91 92 93

    void (*lbr_bank)(float output[32][4], float **input,
                     const float *coeff, ptrdiff_t ofs, ptrdiff_t len);

    void (*lfe_iir)(float *output, const float *input,
                    const float iir[5][4], float hist[5][2],
                    ptrdiff_t factor);
94 95 96
} DCADSPContext;

av_cold void ff_dcadsp_init(DCADSPContext *s);
97
av_cold void ff_dcadsp_init_x86(DCADSPContext *s);
98 99

#endif