path: root/libavcodec/hevcdsp.h (plain)
blob: eefb3cd152e7f6961139223ad9b0ac02d2b84090

1	/*
2	* HEVC video decoder
3	*
4	* Copyright (C) 2012 - 2013 Guillaume Martres
5	* Copyright (C) 2013 - 2014 Pierre-Edouard Lepere
6	*
7	*
8	* This file is part of FFmpeg.
9	*
10	* FFmpeg is free software; you can redistribute it and/or
11	* modify it under the terms of the GNU Lesser General Public
12	* License as published by the Free Software Foundation; either
13	* version 2.1 of the License, or (at your option) any later version.
14	*
15	* FFmpeg is distributed in the hope that it will be useful,
16	* but WITHOUT ANY WARRANTY; without even the implied warranty of
17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18	* Lesser General Public License for more details.
19	*
20	* You should have received a copy of the GNU Lesser General Public
21	* License along with FFmpeg; if not, write to the Free Software
22	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23	*/
24
25	#ifndef AVCODEC_HEVCDSP_H
26	#define AVCODEC_HEVCDSP_H
27
28	#include "get_bits.h"
29
30	#define MAX_PB_SIZE 64
31
32	typedef struct SAOParams {
33	int offset_abs[3][4]; ///< sao_offset_abs
34	int offset_sign[3][4]; ///< sao_offset_sign
35
36	uint8_t band_position[3]; ///< sao_band_position
37
38	int eo_class[3]; ///< sao_eo_class
39
40	int16_t offset_val[3][5]; ///<SaoOffsetVal
41
42	uint8_t type_idx[3]; ///< sao_type_idx
43	} SAOParams;
44
45	typedef struct HEVCDSPContext {
46	void (*put_pcm)(uint8_t *_dst, ptrdiff_t _stride, int width, int height,
47	struct GetBitContext *gb, int pcm_bit_depth);
48
49	void (*add_residual[4])(uint8_t *dst, int16_t *res, ptrdiff_t stride);
50
51	void (*dequant)(int16_t *coeffs, int16_t log2_size);
52
53	void (*transform_rdpcm)(int16_t *coeffs, int16_t log2_size, int mode);
54
55	void (*transform_4x4_luma)(int16_t *coeffs);
56
57	void (*idct[4])(int16_t *coeffs, int col_limit);
58
59	void (*idct_dc[4])(int16_t *coeffs);
60
61	void (*sao_band_filter[5])(uint8_t *_dst, uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src,
62	int16_t *sao_offset_val, int sao_left_class, int width, int height);
63
64	/* implicit stride_src parameter has value of 2 * MAX_PB_SIZE + AV_INPUT_BUFFER_PADDING_SIZE */
65	void (*sao_edge_filter[5])(uint8_t *_dst /* align 16 */, uint8_t *_src /* align 32 */, ptrdiff_t stride_dst,
66	int16_t *sao_offset_val, int sao_eo_class, int width, int height);
67
68	void (*sao_edge_restore[2])(uint8_t *_dst, uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src,
69	struct SAOParams *sao, int *borders, int _width, int _height, int c_idx,
70	uint8_t *vert_edge, uint8_t *horiz_edge, uint8_t *diag_edge);
71
72	void (*put_hevc_qpel[10][2][2])(int16_t *dst, uint8_t *src, ptrdiff_t srcstride,
73	int height, intptr_t mx, intptr_t my, int width);
74	void (*put_hevc_qpel_uni[10][2][2])(uint8_t *dst, ptrdiff_t dststride, uint8_t *src, ptrdiff_t srcstride,
75	int height, intptr_t mx, intptr_t my, int width);
76	void (*put_hevc_qpel_uni_w[10][2][2])(uint8_t *_dst, ptrdiff_t _dststride, uint8_t *_src, ptrdiff_t _srcstride,
77	int height, int denom, int wx, int ox, intptr_t mx, intptr_t my, int width);
78
79	void (*put_hevc_qpel_bi[10][2][2])(uint8_t *dst, ptrdiff_t dststride, uint8_t *_src, ptrdiff_t _srcstride,
80	int16_t *src2,
81	int height, intptr_t mx, intptr_t my, int width);
82	void (*put_hevc_qpel_bi_w[10][2][2])(uint8_t *dst, ptrdiff_t dststride, uint8_t *_src, ptrdiff_t _srcstride,
83	int16_t *src2,
84	int height, int denom, int wx0, int wx1,
85	int ox0, int ox1, intptr_t mx, intptr_t my, int width);
86	void (*put_hevc_epel[10][2][2])(int16_t *dst, uint8_t *src, ptrdiff_t srcstride,
87	int height, intptr_t mx, intptr_t my, int width);
88
89	void (*put_hevc_epel_uni[10][2][2])(uint8_t *dst, ptrdiff_t dststride, uint8_t *_src, ptrdiff_t _srcstride,
90	int height, intptr_t mx, intptr_t my, int width);
91	void (*put_hevc_epel_uni_w[10][2][2])(uint8_t *_dst, ptrdiff_t _dststride, uint8_t *_src, ptrdiff_t _srcstride,
92	int height, int denom, int wx, int ox, intptr_t mx, intptr_t my, int width);
93	void (*put_hevc_epel_bi[10][2][2])(uint8_t *dst, ptrdiff_t dststride, uint8_t *_src, ptrdiff_t _srcstride,
94	int16_t *src2,
95	int height, intptr_t mx, intptr_t my, int width);
96	void (*put_hevc_epel_bi_w[10][2][2])(uint8_t *dst, ptrdiff_t dststride, uint8_t *_src, ptrdiff_t _srcstride,
97	int16_t *src2,
98	int height, int denom, int wx0, int ox0, int wx1,
99	int ox1, intptr_t mx, intptr_t my, int width);
100
101	void (*hevc_h_loop_filter_luma)(uint8_t *pix, ptrdiff_t stride,
102	int beta, int32_t *tc,
103	uint8_t *no_p, uint8_t *no_q);
104	void (*hevc_v_loop_filter_luma)(uint8_t *pix, ptrdiff_t stride,
105	int beta, int32_t *tc,
106	uint8_t *no_p, uint8_t *no_q);
107	void (*hevc_h_loop_filter_chroma)(uint8_t *pix, ptrdiff_t stride,
108	int32_t *tc, uint8_t *no_p, uint8_t *no_q);
109	void (*hevc_v_loop_filter_chroma)(uint8_t *pix, ptrdiff_t stride,
110	int32_t *tc, uint8_t *no_p, uint8_t *no_q);
111	void (*hevc_h_loop_filter_luma_c)(uint8_t *pix, ptrdiff_t stride,
112	int beta, int32_t *tc,
113	uint8_t *no_p, uint8_t *no_q);
114	void (*hevc_v_loop_filter_luma_c)(uint8_t *pix, ptrdiff_t stride,
115	int beta, int32_t *tc,
116	uint8_t *no_p, uint8_t *no_q);
117	void (*hevc_h_loop_filter_chroma_c)(uint8_t *pix, ptrdiff_t stride,
118	int32_t *tc, uint8_t *no_p,
119	uint8_t *no_q);
120	void (*hevc_v_loop_filter_chroma_c)(uint8_t *pix, ptrdiff_t stride,
121	int32_t *tc, uint8_t *no_p,
122	uint8_t *no_q);
123	} HEVCDSPContext;
124
125	void ff_hevc_dsp_init(HEVCDSPContext *hpc, int bit_depth);
126
127	extern const int8_t ff_hevc_epel_filters[7][4];
128	extern const int8_t ff_hevc_qpel_filters[3][16];
129
130	void ff_hevc_dsp_init_x86(HEVCDSPContext *c, const int bit_depth);
131	void ff_hevcdsp_init_arm(HEVCDSPContext *c, const int bit_depth);
132	void ff_hevc_dsp_init_mips(HEVCDSPContext *c, const int bit_depth);
133	#endif /* AVCODEC_HEVCDSP_H */
134