dcadsp.h 3.9 KB

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  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. #ifndef AVCODEC_DCADSP_H
  21. #define AVCODEC_DCADSP_H
  22. #include "libavutil/common.h"
  23. #include "fft.h"
  24. #include "dcadct.h"
  25. #include "synth_filter.h"
  26. typedef struct DCADSPContext {
  27. void (*decode_hf)(int32_t **dst,
  28. const int32_t *vq_index,
  29. const int8_t hf_vq[1024][32],
  30. int32_t scale_factors[32][2],
  31. ptrdiff_t sb_start, ptrdiff_t sb_end,
  32. ptrdiff_t ofs, ptrdiff_t len);
  33. void (*decode_joint)(int32_t **dst, int32_t **src,
  34. const int32_t *scale_factors,
  35. ptrdiff_t sb_start, ptrdiff_t sb_end,
  36. ptrdiff_t ofs, ptrdiff_t len);
  37. void (*lfe_fir_float[2])(float *pcm_samples, int32_t *lfe_samples,
  38. const float *filter_coeff, ptrdiff_t npcmblocks);
  39. void (*lfe_x96_float)(float *dst, const float *src,
  40. float *hist, ptrdiff_t len);
  41. void (*sub_qmf_float[2])(SynthFilterContext *synth,
  42. FFTContext *imdct,
  43. float *pcm_samples,
  44. int32_t **subband_samples_lo,
  45. int32_t **subband_samples_hi,
  46. float *hist1, int *offset, float *hist2,
  47. const float *filter_coeff, ptrdiff_t npcmblocks,
  48. float scale);
  49. void (*lfe_fir_fixed)(int32_t *pcm_samples, int32_t *lfe_samples,
  50. const int32_t *filter_coeff, ptrdiff_t npcmblocks);
  51. void (*lfe_x96_fixed)(int32_t *dst, const int32_t *src,
  52. int32_t *hist, ptrdiff_t len);
  53. void (*sub_qmf_fixed[2])(SynthFilterContext *synth,
  54. DCADCTContext *imdct,
  55. int32_t *pcm_samples,
  56. int32_t **subband_samples_lo,
  57. int32_t **subband_samples_hi,
  58. int32_t *hist1, int *offset, int32_t *hist2,
  59. const int32_t *filter_coeff, ptrdiff_t npcmblocks);
  60. void (*decor)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len);
  61. void (*dmix_sub_xch)(int32_t *dst1, int32_t *dst2,
  62. const int32_t *src, ptrdiff_t len);
  63. void (*dmix_sub)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len);
  64. void (*dmix_add)(int32_t *dst, const int32_t *src, int coeff, ptrdiff_t len);
  65. void (*dmix_scale)(int32_t *dst, int scale, ptrdiff_t len);
  66. void (*dmix_scale_inv)(int32_t *dst, int scale_inv, ptrdiff_t len);
  67. void (*assemble_freq_bands)(int32_t *dst, int32_t *src0, int32_t *src1,
  68. const int32_t *coeff, ptrdiff_t len);
  69. void (*lbr_bank)(float output[32][4], float **input,
  70. const float *coeff, ptrdiff_t ofs, ptrdiff_t len);
  71. void (*lfe_iir)(float *output, const float *input,
  72. const float iir[5][4], float hist[5][2],
  73. ptrdiff_t factor);
  74. } DCADSPContext;
  75. av_cold void ff_dcadsp_init(DCADSPContext *s);
  76. av_cold void ff_dcadsp_init_x86(DCADSPContext *s);
  77. #endif