2 * Copyright (C) 2016 foo86
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifndef AVCODEC_DCADSP_H
22 #define AVCODEC_DCADSP_H
24 #include "libavutil/common.h"
28 #include "synth_filter.h"
30 typedef struct DCADSPContext {
31 void (*decode_hf)(int32_t **dst,
32 const int32_t *vq_index,
33 const int8_t hf_vq[1024][32],
34 int32_t scale_factors[32][2],
35 ptrdiff_t sb_start, ptrdiff_t sb_end,
36 ptrdiff_t ofs, ptrdiff_t len);
38 void (*decode_joint)(int32_t **dst, int32_t **src,
39 const int32_t *scale_factors,
40 ptrdiff_t sb_start, ptrdiff_t sb_end,
41 ptrdiff_t ofs, ptrdiff_t len);
43 void (*lfe_fir_float[2])(float *pcm_samples, int32_t *lfe_samples,
44 const float *filter_coeff, ptrdiff_t npcmblocks);
46 void (*lfe_x96_float)(float *dst, const float *src,
47 float *hist, ptrdiff_t len);
49 void (*sub_qmf_float[2])(SynthFilterContext *synth,
52 int32_t **subband_samples_lo,
53 int32_t **subband_samples_hi,
54 float *hist1, int *offset, float *hist2,
55 const float *filter_coeff, ptrdiff_t npcmblocks,
58 void (*lfe_fir_fixed)(int32_t *pcm_samples, int32_t *lfe_samples,
59 const int32_t *filter_coeff, ptrdiff_t npcmblocks);
61 void (*lfe_x96_fixed)(int32_t *dst, const int32_t *src,
62 int32_t *hist, ptrdiff_t len);
64 void (*sub_qmf_fixed[2])(SynthFilterContext *synth,
67 int32_t **subband_samples_lo,
68 int32_t **subband_samples_hi,
69 int32_t *hist1, int *offset, int32_t *hist2,
70 const int32_t *filter_coeff, ptrdiff_t npcmblocks);
72 void (*decor)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len);
74 void (*dmix_sub_xch)(int32_t *dst1, int32_t *dst2,
75 const int32_t *src, ptrdiff_t len);
77 void (*dmix_sub)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len);
79 void (*dmix_add)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len);
81 void (*dmix_scale)(int32_t *dst, int scale, ptrdiff_t len);
83 void (*dmix_scale_inv)(int32_t *dst, int scale_inv, ptrdiff_t len);
85 void (*assemble_freq_bands)(int32_t *dst, int32_t *src0, int32_t *src1,
86 const int32_t *coeff, ptrdiff_t len);
88 void (*lbr_bank)(float output[32][4], float **input,
89 const float *coeff, ptrdiff_t ofs, ptrdiff_t len);
91 void (*lfe_iir)(float *output, const float *input,
92 const float iir[5][4], float hist[5][2],
96 av_cold void ff_dcadsp_init(DCADSPContext *s);
97 av_cold void ff_dcadsp_init_x86(DCADSPContext *s);