Line data Source code
1 : /*
2 : * H.26L/H.264/AVC/JVT/14496-10/... decoder
3 : * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
4 : *
5 : * This file is part of FFmpeg.
6 : *
7 : * FFmpeg is free software; you can redistribute it and/or
8 : * modify it under the terms of the GNU Lesser General Public
9 : * License as published by the Free Software Foundation; either
10 : * version 2.1 of the License, or (at your option) any later version.
11 : *
12 : * FFmpeg is distributed in the hope that it will be useful,
13 : * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 : * Lesser General Public License for more details.
16 : *
17 : * You should have received a copy of the GNU Lesser General Public
18 : * License along with FFmpeg; if not, write to the Free Software
19 : * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 : */
21 :
22 : #include "h264dec.h"
23 :
24 : #undef MCFUNC
25 :
26 : #if CHROMA_IDC == 1
27 : # define MCFUNC(n) FUNC(n ## _420)
28 : #elif CHROMA_IDC == 2
29 : # define MCFUNC(n) FUNC(n ## _422)
30 : #elif CHROMA_IDC == 3
31 : # define MCFUNC(n) FUNC(n ## _444)
32 : #endif
33 :
34 : #undef mc_part
35 : #define mc_part MCFUNC(mc_part)
36 :
37 19525278 : static void mc_part(const H264Context *h, H264SliceContext *sl,
38 : int n, int square,
39 : int height, int delta,
40 : uint8_t *dest_y, uint8_t *dest_cb,
41 : uint8_t *dest_cr,
42 : int x_offset, int y_offset,
43 : const qpel_mc_func *qpix_put,
44 : h264_chroma_mc_func chroma_put,
45 : const qpel_mc_func *qpix_avg,
46 : h264_chroma_mc_func chroma_avg,
47 : const h264_weight_func *weight_op,
48 : const h264_biweight_func *weight_avg,
49 : int list0, int list1)
50 : {
51 20100914 : if ((sl->pwt.use_weight == 2 && list0 && list1 &&
52 19882226 : (sl->pwt.implicit_weight[sl->ref_cache[0][scan8[n]]][sl->ref_cache[1][scan8[n]]][sl->mb_y & 1] != 32)) ||
53 19306590 : sl->pwt.use_weight == 1)
54 3024058 : mc_part_weighted(h, sl, n, square, height, delta, dest_y, dest_cb, dest_cr,
55 : x_offset, y_offset, qpix_put, chroma_put,
56 1394537 : weight_op[0], weight_op[1], weight_avg[0],
57 1394537 : weight_avg[1], list0, list1, PIXEL_SHIFT, CHROMA_IDC);
58 : else
59 18130741 : mc_part_std(h, sl, n, square, height, delta, dest_y, dest_cb, dest_cr,
60 : x_offset, y_offset, qpix_put, chroma_put, qpix_avg,
61 : chroma_avg, list0, list1, PIXEL_SHIFT, CHROMA_IDC);
62 19525278 : }
63 :
64 8812888 : static void MCFUNC(hl_motion)(const H264Context *h, H264SliceContext *sl,
65 : uint8_t *dest_y,
66 : uint8_t *dest_cb, uint8_t *dest_cr,
67 : const qpel_mc_func(*qpix_put)[16],
68 : const h264_chroma_mc_func(*chroma_put),
69 : const qpel_mc_func(*qpix_avg)[16],
70 : const h264_chroma_mc_func(*chroma_avg),
71 : const h264_weight_func *weight_op,
72 : const h264_biweight_func *weight_avg)
73 : {
74 8812888 : const int mb_xy = sl->mb_xy;
75 8812888 : const int mb_type = h->cur_pic.mb_type[mb_xy];
76 :
77 : av_assert2(IS_INTER(mb_type));
78 :
79 8812888 : if (HAVE_THREADS && (h->avctx->active_thread_type & FF_THREAD_FRAME))
80 0 : await_references(h, sl);
81 8812888 : prefetch_motion(h, sl, 0, PIXEL_SHIFT, CHROMA_IDC);
82 :
83 8812888 : if (IS_16X16(mb_type)) {
84 6301903 : mc_part(h, sl, 0, 1, 16, 0, dest_y, dest_cb, dest_cr, 0, 0,
85 : qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0],
86 : weight_op, weight_avg,
87 : IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
88 2510985 : } else if (IS_16X8(mb_type)) {
89 1818261 : mc_part(h, sl, 0, 0, 8, 8 << PIXEL_SHIFT, dest_y, dest_cb, dest_cr, 0, 0,
90 1212174 : qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
91 : weight_op, weight_avg,
92 : IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
93 1818261 : mc_part(h, sl, 8, 0, 8, 8 << PIXEL_SHIFT, dest_y, dest_cb, dest_cr, 0, 4,
94 1212174 : qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
95 : weight_op, weight_avg,
96 : IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
97 1904898 : } else if (IS_8X16(mb_type)) {
98 2086552 : mc_part(h, sl, 0, 0, 16, 8 * sl->mb_linesize, dest_y, dest_cb, dest_cr, 0, 0,
99 1564914 : qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
100 : &weight_op[1], &weight_avg[1],
101 : IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
102 2086552 : mc_part(h, sl, 4, 0, 16, 8 * sl->mb_linesize, dest_y, dest_cb, dest_cr, 4, 0,
103 1564914 : qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
104 : &weight_op[1], &weight_avg[1],
105 : IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
106 : } else {
107 : int i;
108 :
109 : av_assert2(IS_8X8(mb_type));
110 :
111 6916300 : for (i = 0; i < 4; i++) {
112 5533040 : const int sub_mb_type = sl->sub_mb_type[i];
113 5533040 : const int n = 4 * i;
114 5533040 : int x_offset = (i & 1) << 2;
115 5533040 : int y_offset = (i & 2) << 1;
116 :
117 5533040 : if (IS_SUB_8X8(sub_mb_type)) {
118 9496428 : mc_part(h, sl, n, 1, 8, 0, dest_y, dest_cb, dest_cr,
119 : x_offset, y_offset,
120 7122321 : qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
121 : &weight_op[1], &weight_avg[1],
122 : IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
123 3158933 : } else if (IS_SUB_8X4(sub_mb_type)) {
124 5886460 : mc_part(h, sl, n, 0, 4, 4 << PIXEL_SHIFT, dest_y, dest_cb, dest_cr,
125 : x_offset, y_offset,
126 4414845 : qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
127 : &weight_op[1], &weight_avg[1],
128 : IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
129 5886460 : mc_part(h, sl, n + 2, 0, 4, 4 << PIXEL_SHIFT,
130 : dest_y, dest_cb, dest_cr, x_offset, y_offset + 2,
131 4414845 : qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
132 : &weight_op[1], &weight_avg[1],
133 : IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
134 1687318 : } else if (IS_SUB_4X8(sub_mb_type)) {
135 2197368 : mc_part(h, sl, n, 0, 8, 4 * sl->mb_linesize,
136 : dest_y, dest_cb, dest_cr, x_offset, y_offset,
137 1648026 : qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
138 : &weight_op[2], &weight_avg[2],
139 : IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
140 2197368 : mc_part(h, sl, n + 1, 0, 8, 4 * sl->mb_linesize,
141 : dest_y, dest_cb, dest_cr, x_offset + 2, y_offset,
142 1648026 : qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
143 : &weight_op[2], &weight_avg[2],
144 : IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
145 : } else {
146 : int j;
147 : av_assert2(IS_SUB_4X4(sub_mb_type));
148 5689880 : for (j = 0; j < 4; j++) {
149 4551904 : int sub_x_offset = x_offset + 2 * (j & 1);
150 4551904 : int sub_y_offset = y_offset + (j & 2);
151 18207616 : mc_part(h, sl, n + j, 1, 4, 0,
152 : dest_y, dest_cb, dest_cr, sub_x_offset, sub_y_offset,
153 13655712 : qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
154 : &weight_op[2], &weight_avg[2],
155 : IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
156 : }
157 : }
158 : }
159 : }
160 :
161 8812888 : if (USES_LIST(mb_type, 1))
162 3541154 : prefetch_motion(h, sl, 1, PIXEL_SHIFT, CHROMA_IDC);
163 8812888 : }
164 :
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