aboutsummaryrefslogtreecommitdiffstats
path: root/libavcodec/loongarch/hevc_mc_uniw_lsx.c
blob: c4e79225d38dcf626ec1fc1ef77adcd834dfeb8e (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
/*
 * Copyright (c) 2022 Loongson Technology Corporation Limited
 * Contributed by Lu Wang <wanglu@loongson.cn>
 *                Hao Chen <chenhao@loongson.cn>
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include "libavutil/loongarch/loongson_intrinsics.h"
#include "hevcdsp_lsx.h"

static const uint8_t ff_hevc_mask_arr[16 * 2] __attribute__((aligned(0x40))) = {
    /* 8 width cases */
    0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8,
    /* 4 width cases */
    0, 1, 1, 2, 2, 3, 3, 4, 16, 17, 17, 18, 18, 19, 19, 20
};

static av_always_inline
void hevc_hv_8t_8x2_lsx(const uint8_t *src, int32_t src_stride, uint8_t *dst,
                        int32_t dst_stride, const int8_t *filter_x,
                        const int8_t *filter_y, int32_t height, int32_t weight,
                        int32_t offset, int32_t rnd_val, int32_t width)
{
    uint32_t loop_cnt, cnt;
    const uint8_t *src_tmp;
    uint8_t *dst_tmp;
    const int32_t src_stride_2x = (src_stride << 1);
    const int32_t dst_stride_2x = (dst_stride << 1);
    const int32_t src_stride_4x = (src_stride << 2);
    const int32_t src_stride_3x = src_stride_2x + src_stride;

    __m128i src0, src1, src2, src3, src4, src5, src6, src7, src8;
    __m128i filt0, filt1, filt2, filt3;
    __m128i filt_h0, filt_h1, filt_h2, filt_h3;
    __m128i mask1, mask2, mask3;
    __m128i filter_vec;
    __m128i vec0, vec1, vec2, vec3, vec4, vec5, vec6, vec7;
    __m128i vec8, vec9, vec10, vec11, vec12, vec13, vec14, vec15;
    __m128i dst0, dst1, dst2, dst3, dst4, dst5, dst6, dst7, dst8;
    __m128i dst0_r, dst0_l, dst1_r, dst1_l;
    __m128i dst10_r, dst32_r, dst54_r, dst76_r;
    __m128i dst10_l, dst32_l, dst54_l, dst76_l;
    __m128i dst21_r, dst43_r, dst65_r, dst87_r;
    __m128i dst21_l, dst43_l, dst65_l, dst87_l;
    __m128i weight_vec, offset_vec, rnd_vec;
    __m128i mask0 = __lsx_vld(ff_hevc_mask_arr, 0);

    src -= (src_stride_3x + 3);
    weight_vec = __lsx_vreplgr2vr_w(weight);
    offset_vec = __lsx_vreplgr2vr_w(offset);
    rnd_vec = __lsx_vreplgr2vr_w(rnd_val);

    DUP4_ARG2(__lsx_vldrepl_h, filter_x, 0, filter_x, 2, filter_x, 4,
              filter_x, 6, filt0, filt1, filt2, filt3);
    filter_vec = __lsx_vld(filter_y, 0);
    filter_vec = __lsx_vsllwil_h_b(filter_vec, 0);
    DUP4_ARG2(__lsx_vreplvei_w, filter_vec, 0, filter_vec, 1, filter_vec, 2,
              filter_vec, 3, filt_h0, filt_h1, filt_h2, filt_h3);
    DUP2_ARG2(__lsx_vaddi_bu, mask0, 2, mask0, 4, mask1, mask2);
    mask3 = __lsx_vaddi_bu(mask0, 6);

    for (cnt = width >> 3; cnt--;) {
        src_tmp = src;
        dst_tmp = dst;

        src0 = __lsx_vld(src_tmp, 0);
        DUP2_ARG2(__lsx_vldx, src_tmp, src_stride, src_tmp, src_stride_2x,
                  src1, src2);
        src3 = __lsx_vldx(src_tmp, src_stride_3x);
        src_tmp += src_stride_4x;
        src4 = __lsx_vld(src_tmp, 0);
        DUP2_ARG2(__lsx_vldx, src_tmp, src_stride, src_tmp, src_stride_2x,
                  src5, src6);
        src_tmp += src_stride_3x;

        DUP4_ARG3(__lsx_vshuf_b, src0, src0, mask0, src0, src0, mask1, src0,
                  src0, mask2, src0, src0, mask3, vec0, vec1, vec2, vec3);
        DUP4_ARG3(__lsx_vshuf_b, src1, src1, mask0, src1, src1, mask1, src1,
                  src1, mask2, src1, src1, mask3, vec4, vec5, vec6, vec7);
        DUP4_ARG3(__lsx_vshuf_b, src2, src2, mask0, src2, src2, mask1, src2,
                  src2, mask2, src2, src2, mask3, vec8, vec9, vec10, vec11);
        DUP4_ARG3(__lsx_vshuf_b, src3, src3, mask0, src3, src3, mask1, src3,
                  src3, mask2, src3, src3, mask3, vec12, vec13, vec14, vec15);
        DUP4_ARG2(__lsx_vdp2_h_bu_b, vec0, filt0, vec4, filt0, vec8, filt0,
                  vec12, filt0, dst0, dst1, dst2, dst3);
        DUP4_ARG3(__lsx_vdp2add_h_bu_b, dst0, vec1, filt1, dst1, vec5, filt1,
                  dst2, vec9, filt1, dst3, vec13, filt1, dst0, dst1, dst2, dst3);
        DUP4_ARG3(__lsx_vdp2add_h_bu_b, dst0, vec2, filt2, dst1, vec6, filt2,
                  dst2, vec10, filt2, dst3, vec14, filt2, dst0, dst1, dst2, dst3);
        DUP4_ARG3(__lsx_vdp2add_h_bu_b, dst0, vec3, filt3, dst1, vec7, filt3,
                  dst2, vec11, filt3, dst3, vec15, filt3, dst0, dst1, dst2, dst3);
        DUP4_ARG3(__lsx_vshuf_b, src4, src4, mask0, src4, src4, mask1, src4,
                  src4, mask2, src4, src4, mask3, vec0, vec1, vec2, vec3);
        DUP4_ARG3(__lsx_vshuf_b, src5, src5, mask0, src5, src5, mask1, src5,
                  src5, mask2, src5, src5, mask3, vec4, vec5, vec6, vec7);
        DUP4_ARG3(__lsx_vshuf_b, src6, src6, mask0, src6, src6, mask1, src6,
                  src6, mask2, src6, src6, mask3, vec8, vec9, vec10, vec11);
        DUP2_ARG2(__lsx_vdp2_h_bu_b, vec0, filt0, vec4, filt0, dst4, dst5);
        dst6 = __lsx_vdp2_h_bu_b(vec8, filt0);
        DUP4_ARG3(__lsx_vdp2add_h_bu_b, dst4, vec1, filt1, dst5, vec5, filt1,
                  dst6, vec9, filt1, dst4, vec2, filt2, dst4, dst5, dst6, dst4);
        DUP4_ARG3(__lsx_vdp2add_h_bu_b, dst5, vec6, filt2, dst6, vec10, filt2,
                  dst4, vec3, filt3, dst5, vec7, filt3, dst5, dst6, dst4, dst5);
        dst6 = __lsx_vdp2add_h_bu_b(dst6, vec11, filt3);

        DUP4_ARG2(__lsx_vilvl_h, dst1, dst0, dst3, dst2, dst5, dst4, dst2,
                  dst1, dst10_r, dst32_r, dst54_r, dst21_r);
        DUP2_ARG2(__lsx_vilvl_h, dst4, dst3, dst6, dst5, dst43_r, dst65_r);
        DUP4_ARG2(__lsx_vilvh_h, dst1, dst0, dst3, dst2, dst5, dst4, dst2,
                  dst1, dst10_l, dst32_l, dst54_l, dst21_l);
        DUP2_ARG2(__lsx_vilvh_h, dst4, dst3, dst6, dst5, dst43_l, dst65_l);

        for (loop_cnt = height >> 1; loop_cnt--;) {
            src7 = __lsx_vld(src_tmp, 0);
            src8 = __lsx_vldx(src_tmp, src_stride);
            src_tmp += src_stride_2x;
            DUP4_ARG3(__lsx_vshuf_b, src7, src7, mask0, src7, src7, mask1, src7,
                      src7, mask2, src7, src7, mask3, vec0, vec1, vec2, vec3);
            dst7 = __lsx_vdp2_h_bu_b(vec0, filt0);
            DUP2_ARG3(__lsx_vdp2add_h_bu_b, dst7, vec1, filt1, dst7, vec2,
                      filt2, dst7, dst7);
            dst7 = __lsx_vdp2add_h_bu_b(dst7, vec3, filt3);
            dst76_r = __lsx_vilvl_h(dst7, dst6);
            dst76_l = __lsx_vilvh_h(dst7, dst6);
            DUP2_ARG2(__lsx_vdp2_w_h, dst10_r, filt_h0, dst10_l, filt_h0,
                      dst0_r, dst0_l);
            DUP4_ARG3(__lsx_vdp2add_w_h, dst0_r, dst32_r, filt_h1, dst0_l,
                      dst32_l, filt_h1, dst0_r, dst54_r, filt_h2, dst0_l,
                      dst54_l, filt_h2, dst0_r, dst0_l, dst0_r, dst0_l);
            DUP2_ARG3(__lsx_vdp2add_w_h, dst0_r, dst76_r, filt_h3, dst0_l,
                      dst76_l, filt_h3, dst0_r, dst0_l);
            DUP2_ARG2(__lsx_vsrai_w, dst0_r, 6, dst0_l, 6, dst0_r, dst0_l);

            /* row 8 */
            DUP4_ARG3(__lsx_vshuf_b, src8, src8, mask0, src8, src8, mask1, src8,
                      src8, mask2, src8, src8, mask3, vec0, vec1, vec2, vec3);
            dst8 = __lsx_vdp2_h_bu_b(vec0, filt0);
            DUP2_ARG3(__lsx_vdp2add_h_bu_b, dst8, vec1, filt1, dst8, vec2,
                      filt2, dst8, dst8);
            dst8 = __lsx_vdp2add_h_bu_b(dst8, vec3, filt3);

            dst87_r = __lsx_vilvl_h(dst8, dst7);
            dst87_l = __lsx_vilvh_h(dst8, dst7);
            DUP2_ARG2(__lsx_vdp2_w_h, dst21_r, filt_h0, dst21_l, filt_h0,
                      dst1_r, dst1_l);
            DUP4_ARG3(__lsx_vdp2add_w_h, dst1_r, dst43_r, filt_h1, dst1_l,
                      dst43_l, filt_h1, dst1_r, dst65_r, filt_h2, dst1_l,
                      dst65_l, filt_h2, dst1_r, dst1_l, dst1_r, dst1_l);
            DUP2_ARG3(__lsx_vdp2add_w_h, dst1_r, dst87_r, filt_h3, dst1_l,
                      dst87_l, filt_h3, dst1_r, dst1_l);
            DUP2_ARG2(__lsx_vsrai_w, dst1_r, 6, dst1_l, 6, dst1_r, dst1_l);

            DUP2_ARG2(__lsx_vmul_w, dst0_r, weight_vec, dst0_l, weight_vec,
                      dst0_r, dst0_l);
            DUP2_ARG2(__lsx_vmul_w, dst1_r, weight_vec, dst1_l, weight_vec,
                      dst1_r, dst1_l);
            DUP4_ARG2(__lsx_vsrar_w, dst0_r, rnd_vec, dst1_r, rnd_vec, dst0_l,
                     rnd_vec, dst1_l, rnd_vec, dst0_r, dst1_r, dst0_l, dst1_l);

            DUP2_ARG2(__lsx_vadd_w, dst0_r, offset_vec, dst0_l, offset_vec,
                      dst0_r, dst0_l);
            DUP2_ARG2(__lsx_vadd_w, dst1_r, offset_vec, dst1_l, offset_vec,
                      dst1_r, dst1_l);
            DUP4_ARG1(__lsx_vclip255_w, dst0_r, dst1_r, dst0_l, dst1_l, dst0_r,
                      dst1_r, dst0_l, dst1_l);
            DUP2_ARG2(__lsx_vpickev_h, dst0_l, dst0_r, dst1_l, dst1_r,
                      dst0_r, dst1_r);
            dst0_r = __lsx_vpickev_b(dst1_r, dst0_r);

            __lsx_vstelm_d(dst0_r, dst_tmp, 0, 0);
            __lsx_vstelm_d(dst0_r, dst_tmp + dst_stride, 0, 1);
            dst_tmp += dst_stride_2x;

            dst10_r = dst32_r;
            dst32_r = dst54_r;
            dst54_r = dst76_r;
            dst10_l = dst32_l;
            dst32_l = dst54_l;
            dst54_l = dst76_l;
            dst21_r = dst43_r;
            dst43_r = dst65_r;
            dst65_r = dst87_r;
            dst21_l = dst43_l;
            dst43_l = dst65_l;
            dst65_l = dst87_l;
            dst6 = dst8;
        }

        src += 8;
        dst += 8;
    }
}

static
void hevc_hv_8t_8w_lsx(const uint8_t *src, int32_t src_stride, uint8_t *dst,
                       int32_t dst_stride, const int8_t *filter_x,
                       const int8_t *filter_y, int32_t height, int32_t weight,
                       int32_t offset, int32_t rnd_val)
{
    hevc_hv_8t_8x2_lsx(src, src_stride, dst, dst_stride, filter_x,
                       filter_y, height, weight, offset, rnd_val, 8);
}

static
void hevc_hv_8t_16w_lsx(const uint8_t *src, int32_t src_stride, uint8_t *dst,
                        int32_t dst_stride, const int8_t *filter_x,
                        const int8_t *filter_y, int32_t height, int32_t weight,
                        int32_t offset, int32_t rnd_val)
{
    hevc_hv_8t_8x2_lsx(src, src_stride, dst, dst_stride, filter_x,
                       filter_y, height, weight, offset, rnd_val, 16);
}

static
void hevc_hv_8t_24w_lsx(const uint8_t *src, int32_t src_stride, uint8_t *dst,
                        int32_t dst_stride, const int8_t *filter_x,
                        const int8_t *filter_y, int32_t height, int32_t weight,
                        int32_t offset, int32_t rnd_val)
{
    hevc_hv_8t_8x2_lsx(src, src_stride, dst, dst_stride, filter_x,
                       filter_y, height, weight, offset, rnd_val, 24);
}

static
void hevc_hv_8t_32w_lsx(const uint8_t *src, int32_t src_stride, uint8_t *dst,
                        int32_t dst_stride, const int8_t *filter_x,
                        const int8_t *filter_y, int32_t height, int32_t weight,
                        int32_t offset, int32_t rnd_val)
{
    hevc_hv_8t_8x2_lsx(src, src_stride, dst, dst_stride, filter_x,
                       filter_y, height, weight, offset, rnd_val, 32);
}

static
void hevc_hv_8t_48w_lsx(const uint8_t *src, int32_t src_stride, uint8_t *dst,
                        int32_t dst_stride, const int8_t *filter_x,
                        const int8_t *filter_y, int32_t height, int32_t weight,
                        int32_t offset, int32_t rnd_val)
{
    hevc_hv_8t_8x2_lsx(src, src_stride, dst, dst_stride, filter_x,
                       filter_y, height, weight, offset, rnd_val, 48);
}

static
void hevc_hv_8t_64w_lsx(const uint8_t *src, int32_t src_stride, uint8_t *dst,
                        int32_t dst_stride, const int8_t *filter_x,
                        const int8_t *filter_y, int32_t height, int32_t weight,
                        int32_t offset, int32_t rnd_val)
{
    hevc_hv_8t_8x2_lsx(src, src_stride, dst, dst_stride, filter_x,
                       filter_y, height, weight, offset, rnd_val, 64);
}


#define UNI_W_MC_HV(PEL, WIDTH, TAP)                                           \
void ff_hevc_put_hevc_uni_w_##PEL##_hv##WIDTH##_8_lsx(uint8_t *dst,            \
                                                      ptrdiff_t dst_stride,    \
                                                      const uint8_t *src,      \
                                                      ptrdiff_t src_stride,    \
                                                      int height,              \
                                                      int denom,               \
                                                      int weight,              \
                                                      int offset,              \
                                                      intptr_t mx,             \
                                                      intptr_t my,             \
                                                      int width)               \
{                                                                              \
    const int8_t *filter_x = ff_hevc_##PEL##_filters[mx - 1];                  \
    const int8_t *filter_y = ff_hevc_##PEL##_filters[my - 1];                  \
    int shift = denom + 14 - 8;                                                \
                                                                               \
    hevc_hv_##TAP##t_##WIDTH##w_lsx(src, src_stride, dst, dst_stride, filter_x,\
                                    filter_y,  height, weight, offset, shift); \
}

UNI_W_MC_HV(qpel, 8, 8);
UNI_W_MC_HV(qpel, 16, 8);
UNI_W_MC_HV(qpel, 24, 8);
UNI_W_MC_HV(qpel, 32, 8);
UNI_W_MC_HV(qpel, 48, 8);
UNI_W_MC_HV(qpel, 64, 8);

#undef UNI_W_MC_HV