2 * Copyright (c) 2004 Romain Dolbeau <romain@dolbeau.org>
4 * This file is part of Libav.
6 * Libav 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 * Libav 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 Libav; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 #include "libavutil/attributes.h"
23 #include "libavcodec/h264qpel.h"
26 #include "libavutil/cpu.h"
27 #include "libavutil/intreadwrite.h"
28 #include "libavutil/ppc/types_altivec.h"
29 #include "libavutil/ppc/util_altivec.h"
30 #include "dsputil_altivec.h"
32 #define PUT_OP_U8_ALTIVEC(d, s, dst) d = s
33 #define AVG_OP_U8_ALTIVEC(d, s, dst) d = vec_avg(dst, s)
35 #define OP_U8_ALTIVEC PUT_OP_U8_ALTIVEC
36 #define PREFIX_h264_qpel16_h_lowpass_altivec put_h264_qpel16_h_lowpass_altivec
37 #define PREFIX_h264_qpel16_h_lowpass_num altivec_put_h264_qpel16_h_lowpass_num
38 #define PREFIX_h264_qpel16_v_lowpass_altivec put_h264_qpel16_v_lowpass_altivec
39 #define PREFIX_h264_qpel16_v_lowpass_num altivec_put_h264_qpel16_v_lowpass_num
40 #define PREFIX_h264_qpel16_hv_lowpass_altivec put_h264_qpel16_hv_lowpass_altivec
41 #define PREFIX_h264_qpel16_hv_lowpass_num altivec_put_h264_qpel16_hv_lowpass_num
42 #include "h264qpel_template.c"
44 #undef PREFIX_h264_qpel16_h_lowpass_altivec
45 #undef PREFIX_h264_qpel16_h_lowpass_num
46 #undef PREFIX_h264_qpel16_v_lowpass_altivec
47 #undef PREFIX_h264_qpel16_v_lowpass_num
48 #undef PREFIX_h264_qpel16_hv_lowpass_altivec
49 #undef PREFIX_h264_qpel16_hv_lowpass_num
51 #define OP_U8_ALTIVEC AVG_OP_U8_ALTIVEC
52 #define PREFIX_h264_qpel16_h_lowpass_altivec avg_h264_qpel16_h_lowpass_altivec
53 #define PREFIX_h264_qpel16_h_lowpass_num altivec_avg_h264_qpel16_h_lowpass_num
54 #define PREFIX_h264_qpel16_v_lowpass_altivec avg_h264_qpel16_v_lowpass_altivec
55 #define PREFIX_h264_qpel16_v_lowpass_num altivec_avg_h264_qpel16_v_lowpass_num
56 #define PREFIX_h264_qpel16_hv_lowpass_altivec avg_h264_qpel16_hv_lowpass_altivec
57 #define PREFIX_h264_qpel16_hv_lowpass_num altivec_avg_h264_qpel16_hv_lowpass_num
58 #include "h264qpel_template.c"
60 #undef PREFIX_h264_qpel16_h_lowpass_altivec
61 #undef PREFIX_h264_qpel16_h_lowpass_num
62 #undef PREFIX_h264_qpel16_v_lowpass_altivec
63 #undef PREFIX_h264_qpel16_v_lowpass_num
64 #undef PREFIX_h264_qpel16_hv_lowpass_altivec
65 #undef PREFIX_h264_qpel16_hv_lowpass_num
67 #define H264_MC(OPNAME, SIZE, CODETYPE) \
68 static void OPNAME ## h264_qpel ## SIZE ## _mc00_ ## CODETYPE (uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
70 ff_ ## OPNAME ## pixels ## SIZE ## _ ## CODETYPE(dst, src, stride, SIZE);\
73 static void OPNAME ## h264_qpel ## SIZE ## _mc10_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
75 DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\
76 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
77 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src, half, stride, stride, SIZE);\
80 static void OPNAME ## h264_qpel ## SIZE ## _mc20_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
82 OPNAME ## h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(dst, src, stride, stride);\
85 static void OPNAME ## h264_qpel ## SIZE ## _mc30_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
87 DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\
88 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
89 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src+1, half, stride, stride, SIZE);\
92 static void OPNAME ## h264_qpel ## SIZE ## _mc01_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
94 DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\
95 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
96 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src, half, stride, stride, SIZE);\
99 static void OPNAME ## h264_qpel ## SIZE ## _mc02_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
101 OPNAME ## h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(dst, src, stride, stride);\
104 static void OPNAME ## h264_qpel ## SIZE ## _mc03_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
106 DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\
107 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
108 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src+stride, half, stride, stride, SIZE);\
111 static void OPNAME ## h264_qpel ## SIZE ## _mc11_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
113 DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
114 DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
115 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\
116 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\
117 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
120 static void OPNAME ## h264_qpel ## SIZE ## _mc31_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
122 DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
123 DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
124 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\
125 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\
126 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
129 static void OPNAME ## h264_qpel ## SIZE ## _mc13_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
131 DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
132 DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
133 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\
134 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\
135 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
138 static void OPNAME ## h264_qpel ## SIZE ## _mc33_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
140 DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
141 DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
142 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\
143 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\
144 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
147 static void OPNAME ## h264_qpel ## SIZE ## _mc22_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
149 DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\
150 OPNAME ## h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(dst, tmp, src, stride, SIZE, stride);\
153 static void OPNAME ## h264_qpel ## SIZE ## _mc21_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
155 DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
156 DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\
157 DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\
158 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\
159 put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
160 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfHV, stride, SIZE, SIZE);\
163 static void OPNAME ## h264_qpel ## SIZE ## _mc23_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
165 DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
166 DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\
167 DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\
168 put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\
169 put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
170 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfHV, stride, SIZE, SIZE);\
173 static void OPNAME ## h264_qpel ## SIZE ## _mc12_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
175 DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
176 DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\
177 DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\
178 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\
179 put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
180 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\
183 static void OPNAME ## h264_qpel ## SIZE ## _mc32_ ## CODETYPE(uint8_t *dst, uint8_t *src, ptrdiff_t stride)\
185 DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
186 DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\
187 DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\
188 put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\
189 put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
190 OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\
193 static inline void put_pixels16_l2_altivec( uint8_t * dst, const uint8_t * src1,
194 const uint8_t * src2, int dst_stride,
195 int src_stride1, int h)
198 vec_u8 a, b, d, tmp1, tmp2, mask, mask_, edges, align;
200 mask_ = vec_lvsl(0, src2);
202 for (i = 0; i < h; i++) {
204 tmp1 = vec_ld(i * src_stride1, src1);
205 mask = vec_lvsl(i * src_stride1, src1);
206 tmp2 = vec_ld(i * src_stride1 + 15, src1);
208 a = vec_perm(tmp1, tmp2, mask);
210 tmp1 = vec_ld(i * 16, src2);
211 tmp2 = vec_ld(i * 16 + 15, src2);
213 b = vec_perm(tmp1, tmp2, mask_);
215 tmp1 = vec_ld(0, dst);
216 mask = vec_lvsl(0, dst);
217 tmp2 = vec_ld(15, dst);
221 edges = vec_perm(tmp2, tmp1, mask);
223 align = vec_lvsr(0, dst);
225 tmp2 = vec_perm(d, edges, align);
226 tmp1 = vec_perm(edges, d, align);
228 vec_st(tmp2, 15, dst);
229 vec_st(tmp1, 0 , dst);
235 static inline void avg_pixels16_l2_altivec( uint8_t * dst, const uint8_t * src1,
236 const uint8_t * src2, int dst_stride,
237 int src_stride1, int h)
240 vec_u8 a, b, d, tmp1, tmp2, mask, mask_, edges, align;
242 mask_ = vec_lvsl(0, src2);
244 for (i = 0; i < h; i++) {
246 tmp1 = vec_ld(i * src_stride1, src1);
247 mask = vec_lvsl(i * src_stride1, src1);
248 tmp2 = vec_ld(i * src_stride1 + 15, src1);
250 a = vec_perm(tmp1, tmp2, mask);
252 tmp1 = vec_ld(i * 16, src2);
253 tmp2 = vec_ld(i * 16 + 15, src2);
255 b = vec_perm(tmp1, tmp2, mask_);
257 tmp1 = vec_ld(0, dst);
258 mask = vec_lvsl(0, dst);
259 tmp2 = vec_ld(15, dst);
261 d = vec_avg(vec_perm(tmp1, tmp2, mask), vec_avg(a, b));
263 edges = vec_perm(tmp2, tmp1, mask);
265 align = vec_lvsr(0, dst);
267 tmp2 = vec_perm(d, edges, align);
268 tmp1 = vec_perm(edges, d, align);
270 vec_st(tmp2, 15, dst);
271 vec_st(tmp1, 0 , dst);
277 /* Implemented but could be faster
278 #define put_pixels16_l2_altivec(d,s1,s2,ds,s1s,h) put_pixels16_l2(d,s1,s2,ds,s1s,16,h)
279 #define avg_pixels16_l2_altivec(d,s1,s2,ds,s1s,h) avg_pixels16_l2(d,s1,s2,ds,s1s,16,h)
282 H264_MC(put_, 16, altivec)
283 H264_MC(avg_, 16, altivec)
284 #endif /* HAVE_ALTIVEC */
286 av_cold void ff_h264qpel_init_ppc(H264QpelContext *c, int bit_depth)
289 const int high_bit_depth = bit_depth > 8;
291 if (av_get_cpu_flags() & AV_CPU_FLAG_ALTIVEC) {
292 if (!high_bit_depth) {
293 #define dspfunc(PFX, IDX, NUM) \
294 c->PFX ## _pixels_tab[IDX][ 0] = PFX ## NUM ## _mc00_altivec; \
295 c->PFX ## _pixels_tab[IDX][ 1] = PFX ## NUM ## _mc10_altivec; \
296 c->PFX ## _pixels_tab[IDX][ 2] = PFX ## NUM ## _mc20_altivec; \
297 c->PFX ## _pixels_tab[IDX][ 3] = PFX ## NUM ## _mc30_altivec; \
298 c->PFX ## _pixels_tab[IDX][ 4] = PFX ## NUM ## _mc01_altivec; \
299 c->PFX ## _pixels_tab[IDX][ 5] = PFX ## NUM ## _mc11_altivec; \
300 c->PFX ## _pixels_tab[IDX][ 6] = PFX ## NUM ## _mc21_altivec; \
301 c->PFX ## _pixels_tab[IDX][ 7] = PFX ## NUM ## _mc31_altivec; \
302 c->PFX ## _pixels_tab[IDX][ 8] = PFX ## NUM ## _mc02_altivec; \
303 c->PFX ## _pixels_tab[IDX][ 9] = PFX ## NUM ## _mc12_altivec; \
304 c->PFX ## _pixels_tab[IDX][10] = PFX ## NUM ## _mc22_altivec; \
305 c->PFX ## _pixels_tab[IDX][11] = PFX ## NUM ## _mc32_altivec; \
306 c->PFX ## _pixels_tab[IDX][12] = PFX ## NUM ## _mc03_altivec; \
307 c->PFX ## _pixels_tab[IDX][13] = PFX ## NUM ## _mc13_altivec; \
308 c->PFX ## _pixels_tab[IDX][14] = PFX ## NUM ## _mc23_altivec; \
309 c->PFX ## _pixels_tab[IDX][15] = PFX ## NUM ## _mc33_altivec
311 dspfunc(put_h264_qpel, 0, 16);
312 dspfunc(avg_h264_qpel, 0, 16);
316 #endif /* HAVE_ALTIVEC */