4 * Copyright (C) 2012 - 2013 Guillaume Martres
6 * This file is part of Libav.
8 * Libav is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * Libav is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with Libav; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 #ifndef AVCODEC_HEVCDSP_H
24 #define AVCODEC_HEVCDSP_H
28 typedef struct SAOParams {
29 int offset_abs[3][4]; ///< sao_offset_abs
30 int offset_sign[3][4]; ///< sao_offset_sign
32 int band_position[3]; ///< sao_band_position
34 int eo_class[3]; ///< sao_eo_class
36 int offset_val[3][5]; ///<SaoOffsetVal
38 uint8_t type_idx[3]; ///< sao_type_idx
41 typedef struct HEVCDSPContext {
42 void (*put_pcm)(uint8_t *dst, ptrdiff_t stride, int size,
43 GetBitContext *gb, int pcm_bit_depth);
45 void (*add_residual[4])(uint8_t *dst, int16_t *coeffs, ptrdiff_t stride);
47 void (*dequant)(int16_t *coeffs);
48 void (*transform_4x4_luma)(int16_t *coeffs);
49 void (*idct[4])(int16_t *coeffs, int col_limit);
50 void (*idct_dc[4])(int16_t *coeffs);
52 void (*sao_band_filter[4])(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
53 struct SAOParams *sao, int *borders,
54 int width, int height, int c_idx);
55 void (*sao_edge_filter[4])(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
56 struct SAOParams *sao, int *borders, int width,
57 int height, int c_idx, uint8_t vert_edge,
58 uint8_t horiz_edge, uint8_t diag_edge);
60 void (*put_hevc_qpel[2][2][8])(int16_t *dst, ptrdiff_t dststride, uint8_t *src,
61 ptrdiff_t srcstride, int height,
62 int mx, int my, int16_t *mcbuffer);
63 void (*put_hevc_epel[2][2][8])(int16_t *dst, ptrdiff_t dststride, uint8_t *src,
64 ptrdiff_t srcstride, int height,
65 int mx, int my, int16_t *mcbuffer);
67 void (*put_unweighted_pred[8])(uint8_t *dst, ptrdiff_t dststride, int16_t *src,
68 ptrdiff_t srcstride, int height);
69 void (*put_unweighted_pred_chroma[8])(uint8_t *dst, ptrdiff_t dststride, int16_t *src,
70 ptrdiff_t srcstride, int height);
71 void (*put_unweighted_pred_avg[8])(uint8_t *dst, ptrdiff_t dststride,
72 int16_t *src1, int16_t *src2,
73 ptrdiff_t srcstride, int height);
74 void (*put_unweighted_pred_avg_chroma[8])(uint8_t *dst, ptrdiff_t dststride,
75 int16_t *src1, int16_t *src2,
76 ptrdiff_t srcstride, int height);
77 void (*weighted_pred[8])(uint8_t denom, int16_t wlxFlag, int16_t olxFlag,
78 uint8_t *dst, ptrdiff_t dststride, int16_t *src,
79 ptrdiff_t srcstride, int height);
80 void (*weighted_pred_chroma[8])(uint8_t denom, int16_t wlxFlag, int16_t olxFlag,
81 uint8_t *dst, ptrdiff_t dststride, int16_t *src,
82 ptrdiff_t srcstride, int height);
83 void (*weighted_pred_avg[8])(uint8_t denom, int16_t wl0Flag, int16_t wl1Flag,
84 int16_t ol0Flag, int16_t ol1Flag, uint8_t *dst,
85 ptrdiff_t dststride, int16_t *src1, int16_t *src2,
86 ptrdiff_t srcstride, int height);
87 void (*weighted_pred_avg_chroma[8])(uint8_t denom, int16_t wl0Flag, int16_t wl1Flag,
88 int16_t ol0Flag, int16_t ol1Flag, uint8_t *dst,
89 ptrdiff_t dststride, int16_t *src1, int16_t *src2,
90 ptrdiff_t srcstride, int height);
92 void (*hevc_h_loop_filter_luma)(uint8_t *pix, ptrdiff_t stride,
94 uint8_t *no_p, uint8_t *no_q);
95 void (*hevc_v_loop_filter_luma)(uint8_t *pix, ptrdiff_t stride,
97 uint8_t *no_p, uint8_t *no_q);
98 void (*hevc_h_loop_filter_chroma)(uint8_t *pix, ptrdiff_t stride,
99 int *tc, uint8_t *no_p, uint8_t *no_q);
100 void (*hevc_v_loop_filter_chroma)(uint8_t *pix, ptrdiff_t stride,
101 int *tc, uint8_t *no_p, uint8_t *no_q);
102 void (*hevc_h_loop_filter_luma_c)(uint8_t *pix, ptrdiff_t stride,
104 uint8_t *no_p, uint8_t *no_q);
105 void (*hevc_v_loop_filter_luma_c)(uint8_t *pix, ptrdiff_t stride,
107 uint8_t *no_p, uint8_t *no_q);
108 void (*hevc_h_loop_filter_chroma_c)(uint8_t *pix, ptrdiff_t stride,
109 int *tc, uint8_t *no_p,
111 void (*hevc_v_loop_filter_chroma_c)(uint8_t *pix, ptrdiff_t stride,
112 int *tc, uint8_t *no_p,
116 void ff_hevc_dsp_init(HEVCDSPContext *hpc, int bit_depth);
118 void ff_hevc_dsp_init_x86(HEVCDSPContext *c, const int bit_depth);
120 extern const int16_t ff_hevc_epel_coeffs[7][16];
121 extern const int8_t ff_hevc_epel_coeffs8[7][16];
122 extern const int16_t ff_hevc_qpel_coeffs[3][8];
123 extern const int8_t ff_hevc_qpel_coeffs8[3][16];
125 #endif /* AVCODEC_HEVCDSP_H */