2 * Copyright (c) 2003-2010 Michael Niedermayer <michaelni@gmx.at>
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
23 * H.264 DSP functions.
24 * @author Michael Niedermayer <michaelni@gmx.at>
27 #ifndef AVCODEC_H264DSP_H
28 #define AVCODEC_H264DSP_H
34 typedef void (*h264_weight_func)(uint8_t *block, int stride, int height,
35 int log2_denom, int weight, int offset);
36 typedef void (*h264_biweight_func)(uint8_t *dst, uint8_t *src,
37 int stride, int height, int log2_denom,
38 int weightd, int weights, int offset);
41 * Context for storing H.264 DSP functions
43 typedef struct H264DSPContext {
45 h264_weight_func weight_h264_pixels_tab[4];
46 h264_biweight_func biweight_h264_pixels_tab[4];
49 void (*h264_v_loop_filter_luma)(uint8_t *pix /*align 16*/, int stride,
50 int alpha, int beta, int8_t *tc0);
51 void (*h264_h_loop_filter_luma)(uint8_t *pix /*align 4 */, int stride,
52 int alpha, int beta, int8_t *tc0);
53 void (*h264_h_loop_filter_luma_mbaff)(uint8_t *pix /*align 16*/, int stride,
54 int alpha, int beta, int8_t *tc0);
55 /* v/h_loop_filter_luma_intra: align 16 */
56 void (*h264_v_loop_filter_luma_intra)(uint8_t *pix, int stride,
58 void (*h264_h_loop_filter_luma_intra)(uint8_t *pix, int stride,
60 void (*h264_h_loop_filter_luma_mbaff_intra)(uint8_t *pix /*align 16*/,
61 int stride, int alpha, int beta);
62 void (*h264_v_loop_filter_chroma)(uint8_t *pix /*align 8*/, int stride,
63 int alpha, int beta, int8_t *tc0);
64 void (*h264_h_loop_filter_chroma)(uint8_t *pix /*align 4*/, int stride,
65 int alpha, int beta, int8_t *tc0);
66 void (*h264_h_loop_filter_chroma_mbaff)(uint8_t *pix /*align 8*/,
67 int stride, int alpha, int beta,
69 void (*h264_v_loop_filter_chroma_intra)(uint8_t *pix /*align 8*/,
70 int stride, int alpha, int beta);
71 void (*h264_h_loop_filter_chroma_intra)(uint8_t *pix /*align 8*/,
72 int stride, int alpha, int beta);
73 void (*h264_h_loop_filter_chroma_mbaff_intra)(uint8_t *pix /*align 8*/,
74 int stride, int alpha, int beta);
75 // h264_loop_filter_strength: simd only. the C version is inlined in h264.c
76 void (*h264_loop_filter_strength)(int16_t bS[2][4][4], uint8_t nnz[40],
77 int8_t ref[2][40], int16_t mv[2][40][2],
78 int bidir, int edges, int step,
79 int mask_mv0, int mask_mv1, int field);
82 void (*h264_idct_add)(uint8_t *dst /*align 4*/,
83 DCTELEM *block /*align 16*/, int stride);
84 void (*h264_idct8_add)(uint8_t *dst /*align 8*/,
85 DCTELEM *block /*align 16*/, int stride);
86 void (*h264_idct_dc_add)(uint8_t *dst /*align 4*/,
87 DCTELEM *block /*align 16*/, int stride);
88 void (*h264_idct8_dc_add)(uint8_t *dst /*align 8*/,
89 DCTELEM *block /*align 16*/, int stride);
91 void (*h264_idct_add16)(uint8_t *dst /*align 16*/, const int *blockoffset,
92 DCTELEM *block /*align 16*/, int stride,
93 const uint8_t nnzc[15 * 8]);
94 void (*h264_idct8_add4)(uint8_t *dst /*align 16*/, const int *blockoffset,
95 DCTELEM *block /*align 16*/, int stride,
96 const uint8_t nnzc[15 * 8]);
97 void (*h264_idct_add8)(uint8_t **dst /*align 16*/, const int *blockoffset,
98 DCTELEM *block /*align 16*/, int stride,
99 const uint8_t nnzc[15 * 8]);
100 void (*h264_idct_add16intra)(uint8_t *dst /*align 16*/, const int *blockoffset,
101 DCTELEM *block /*align 16*/,
102 int stride, const uint8_t nnzc[15 * 8]);
103 void (*h264_luma_dc_dequant_idct)(DCTELEM *output,
104 DCTELEM *input /*align 16*/, int qmul);
105 void (*h264_chroma_dc_dequant_idct)(DCTELEM *block, int qmul);
108 void ff_h264dsp_init(H264DSPContext *c, const int bit_depth,
109 const int chroma_format_idc);
110 void ff_h264dsp_init_arm(H264DSPContext *c, const int bit_depth,
111 const int chroma_format_idc);
112 void ff_h264dsp_init_ppc(H264DSPContext *c, const int bit_depth,
113 const int chroma_format_idc);
114 void ff_h264dsp_init_x86(H264DSPContext *c, const int bit_depth,
115 const int chroma_format_idc);
117 #endif /* AVCODEC_H264DSP_H */