1 /* 2 * Copyright (C) 2016 foo86 3 * 4 * This file is part of FFmpeg. 5 * 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. 10 * 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. 15 * 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 19 */ 20 21 #ifndef AVCODEC_DCADSP_H 22 #define AVCODEC_DCADSP_H 23 24 #include "libavutil/common.h" 25 26 #include "fft.h" 27 #include "dcadct.h" 28 #include "synth_filter.h" 29 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); 37 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); 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 void (*sub_qmf_float[2])(SynthFilterContext *synth, 50 FFTContext *imdct, 51 float *pcm_samples, 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, 56 float scale); 57 58 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 void (*sub_qmf_fixed[2])(SynthFilterContext *synth, 65 DCADCTContext *imdct, 66 int32_t *pcm_samples, 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); 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 void (*lbr_bank)(float output[32][4], float **input, 89 const float *coeff, ptrdiff_t ofs, ptrdiff_t len); 90 91 void (*lfe_iir)(float *output, const float *input, 92 const float iir[5][4], float hist[5][2], 93 ptrdiff_t factor); 94 } DCADSPContext; 95 96 av_cold void ff_dcadsp_init(DCADSPContext *s); 97 av_cold void ff_dcadsp_init_x86(DCADSPContext *s); 98 99 #endif 100